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-rw-r--r--drivers/infiniband/core/cm.c4
-rw-r--r--drivers/infiniband/core/cma.c188
-rw-r--r--drivers/infiniband/core/cma_configfs.c4
-rw-r--r--drivers/infiniband/core/core_priv.h25
-rw-r--r--drivers/infiniband/core/counters.c138
-rw-r--r--drivers/infiniband/core/device.c76
-rw-r--r--drivers/infiniband/core/rdma_core.c50
-rw-r--r--drivers/infiniband/core/restrack.c23
-rw-r--r--drivers/infiniband/core/rw.c5
-rw-r--r--drivers/infiniband/core/sysfs.c166
-rw-r--r--drivers/infiniband/core/ucma.c2
-rw-r--r--drivers/infiniband/core/umem.c17
-rw-r--r--drivers/infiniband/core/user_mad.c6
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c35
-rw-r--r--drivers/infiniband/core/uverbs_main.c4
-rw-r--r--drivers/infiniband/core/uverbs_std_types.c18
-rw-r--r--drivers/infiniband/core/uverbs_std_types_async_fd.c5
-rw-r--r--drivers/infiniband/core/uverbs_std_types_counters.c5
-rw-r--r--drivers/infiniband/core/uverbs_std_types_cq.c4
-rw-r--r--drivers/infiniband/core/uverbs_std_types_dm.c6
-rw-r--r--drivers/infiniband/core/uverbs_std_types_flow_action.c6
-rw-r--r--drivers/infiniband/core/uverbs_std_types_mr.c4
-rw-r--r--drivers/infiniband/core/uverbs_std_types_qp.c8
-rw-r--r--drivers/infiniband/core/uverbs_std_types_srq.c4
-rw-r--r--drivers/infiniband/core/uverbs_std_types_wq.c4
-rw-r--r--drivers/infiniband/core/uverbs_uapi.c5
-rw-r--r--drivers/infiniband/core/verbs.c22
-rw-r--r--drivers/infiniband/hw/bnxt_re/ib_verbs.c15
-rw-r--r--drivers/infiniband/hw/bnxt_re/main.c34
-rw-r--r--drivers/infiniband/hw/cxgb4/cq.c3
-rw-r--r--drivers/infiniband/hw/cxgb4/iw_cxgb4.h2
-rw-r--r--drivers/infiniband/hw/cxgb4/mem.c84
-rw-r--r--drivers/infiniband/hw/cxgb4/provider.c35
-rw-r--r--drivers/infiniband/hw/cxgb4/qp.c8
-rw-r--r--drivers/infiniband/hw/efa/efa_main.c23
-rw-r--r--drivers/infiniband/hw/efa/efa_verbs.c6
-rw-r--r--drivers/infiniband/hw/hfi1/qp.c1
-rw-r--r--drivers/infiniband/hw/hfi1/sysfs.c62
-rw-r--r--drivers/infiniband/hw/hfi1/tid_rdma.c5
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_ah.c62
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_alloc.c128
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_common.h12
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_cq.c3
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_device.h83
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hem.c15
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hem.h1
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v1.c9
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v2.c360
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v2.h259
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_main.c62
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_mr.c39
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_qp.c156
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_srq.c4
-rw-r--r--drivers/infiniband/hw/i40iw/i40iw_ctrl.c20
-rw-r--r--drivers/infiniband/hw/i40iw/i40iw_type.h20
-rw-r--r--drivers/infiniband/hw/i40iw/i40iw_verbs.c35
-rw-r--r--drivers/infiniband/hw/mlx4/mad.c1
-rw-r--r--drivers/infiniband/hw/mlx4/main.c61
-rw-r--r--drivers/infiniband/hw/mlx4/mcg.c82
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c14
-rw-r--r--drivers/infiniband/hw/mlx4/srq.c4
-rw-r--r--drivers/infiniband/hw/mlx4/sysfs.c66
-rw-r--r--drivers/infiniband/hw/mlx5/cq.c77
-rw-r--r--drivers/infiniband/hw/mlx5/devx.c88
-rw-r--r--drivers/infiniband/hw/mlx5/fs.c6
-rw-r--r--drivers/infiniband/hw/mlx5/main.c105
-rw-r--r--drivers/infiniband/hw/mlx5/mem.c192
-rw-r--r--drivers/infiniband/hw/mlx5/mlx5_ib.h86
-rw-r--r--drivers/infiniband/hw/mlx5/mr.c496
-rw-r--r--drivers/infiniband/hw/mlx5/qp.c195
-rw-r--r--drivers/infiniband/hw/mlx5/srq.c34
-rw-r--r--drivers/infiniband/hw/mlx5/srq.h1
-rw-r--r--drivers/infiniband/hw/mlx5/srq_cmd.c80
-rw-r--r--drivers/infiniband/hw/mthca/mthca_cq.c2
-rw-r--r--drivers/infiniband/hw/mthca/mthca_dev.h1
-rw-r--r--drivers/infiniband/hw/mthca/mthca_provider.c61
-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c3
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_main.c42
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_verbs.c11
-rw-r--r--drivers/infiniband/hw/qedr/main.c39
-rw-r--r--drivers/infiniband/hw/qedr/verbs.c13
-rw-r--r--drivers/infiniband/hw/qib/qib_pcie.c11
-rw-r--r--drivers/infiniband/hw/qib/qib_sysfs.c96
-rw-r--r--drivers/infiniband/hw/usnic/usnic_ib_main.c19
-rw-r--r--drivers/infiniband/hw/usnic/usnic_ib_sysfs.c100
-rw-r--r--drivers/infiniband/hw/usnic/usnic_ib_verbs.c7
-rw-r--r--drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c3
-rw-r--r--drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c34
-rw-r--r--drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c5
-rw-r--r--drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c2
-rw-r--r--drivers/infiniband/sw/rdmavt/Kconfig1
-rw-r--r--drivers/infiniband/sw/rdmavt/ah.c1
-rw-r--r--drivers/infiniband/sw/rdmavt/cq.c2
-rw-r--r--drivers/infiniband/sw/rdmavt/mr.c6
-rw-r--r--drivers/infiniband/sw/rdmavt/qp.c10
-rw-r--r--drivers/infiniband/sw/rdmavt/vt.c36
-rw-r--r--drivers/infiniband/sw/rxe/Kconfig1
-rw-r--r--drivers/infiniband/sw/rxe/rxe_mr.c1
-rw-r--r--drivers/infiniband/sw/rxe/rxe_net.c18
-rw-r--r--drivers/infiniband/sw/rxe/rxe_req.c3
-rw-r--r--drivers/infiniband/sw/rxe/rxe_resp.c5
-rw-r--r--drivers/infiniband/sw/rxe/rxe_verbs.c56
-rw-r--r--drivers/infiniband/sw/rxe/rxe_verbs.h2
-rw-r--r--drivers/infiniband/sw/siw/Kconfig1
-rw-r--r--drivers/infiniband/sw/siw/siw.h1
-rw-r--r--drivers/infiniband/sw/siw/siw_cm.c2
-rw-r--r--drivers/infiniband/sw/siw/siw_main.c52
-rw-r--r--drivers/infiniband/sw/siw/siw_verbs.c12
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_cm.c4
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_ethtool.c4
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c7
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_verbs.c4
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_vlan.c2
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c29
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.h6
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c62
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-clt.c74
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-clt.h1
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-pri.h3
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c21
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-srv.c119
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-srv.h2
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs.c61
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c48
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.c14
125 files changed, 2555 insertions, 2533 deletions
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 012156624b82..167e436ae11d 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -4271,8 +4271,8 @@ static ssize_t cm_show_counter(struct kobject *obj, struct attribute *attr,
group = container_of(obj, struct cm_counter_group, obj);
cm_attr = container_of(attr, struct cm_counter_attribute, attr);
- return sprintf(buf, "%ld\n",
- atomic_long_read(&group->counter[cm_attr->index]));
+ return sysfs_emit(buf, "%ld\n",
+ atomic_long_read(&group->counter[cm_attr->index]));
}
static const struct sysfs_ops cm_counter_ops = {
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index a77750b8954d..c06c87a4dc5e 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2495,8 +2495,9 @@ static int cma_listen_handler(struct rdma_cm_id *id,
return id_priv->id.event_handler(id, event);
}
-static void cma_listen_on_dev(struct rdma_id_private *id_priv,
- struct cma_device *cma_dev)
+static int cma_listen_on_dev(struct rdma_id_private *id_priv,
+ struct cma_device *cma_dev,
+ struct rdma_id_private **to_destroy)
{
struct rdma_id_private *dev_id_priv;
struct net *net = id_priv->id.route.addr.dev_addr.net;
@@ -2504,21 +2505,21 @@ static void cma_listen_on_dev(struct rdma_id_private *id_priv,
lockdep_assert_held(&lock);
+ *to_destroy = NULL;
if (cma_family(id_priv) == AF_IB && !rdma_cap_ib_cm(cma_dev->device, 1))
- return;
+ return 0;
dev_id_priv =
__rdma_create_id(net, cma_listen_handler, id_priv,
id_priv->id.ps, id_priv->id.qp_type, id_priv);
if (IS_ERR(dev_id_priv))
- return;
+ return PTR_ERR(dev_id_priv);
dev_id_priv->state = RDMA_CM_ADDR_BOUND;
memcpy(cma_src_addr(dev_id_priv), cma_src_addr(id_priv),
rdma_addr_size(cma_src_addr(id_priv)));
_cma_attach_to_dev(dev_id_priv, cma_dev);
- list_add_tail(&dev_id_priv->listen_list, &id_priv->listen_list);
cma_id_get(id_priv);
dev_id_priv->internal_id = 1;
dev_id_priv->afonly = id_priv->afonly;
@@ -2527,19 +2528,42 @@ static void cma_listen_on_dev(struct rdma_id_private *id_priv,
ret = rdma_listen(&dev_id_priv->id, id_priv->backlog);
if (ret)
- dev_warn(&cma_dev->device->dev,
- "RDMA CMA: cma_listen_on_dev, error %d\n", ret);
+ goto err_listen;
+ list_add_tail(&dev_id_priv->listen_list, &id_priv->listen_list);
+ return 0;
+err_listen:
+ /* Caller must destroy this after releasing lock */
+ *to_destroy = dev_id_priv;
+ dev_warn(&cma_dev->device->dev, "RDMA CMA: %s, error %d\n", __func__, ret);
+ return ret;
}
-static void cma_listen_on_all(struct rdma_id_private *id_priv)
+static int cma_listen_on_all(struct rdma_id_private *id_priv)
{
+ struct rdma_id_private *to_destroy;
struct cma_device *cma_dev;
+ int ret;
mutex_lock(&lock);
list_add_tail(&id_priv->list, &listen_any_list);
- list_for_each_entry(cma_dev, &dev_list, list)
- cma_listen_on_dev(id_priv, cma_dev);
+ list_for_each_entry(cma_dev, &dev_list, list) {
+ ret = cma_listen_on_dev(id_priv, cma_dev, &to_destroy);
+ if (ret) {
+ /* Prevent racing with cma_process_remove() */
+ if (to_destroy)
+ list_del_init(&to_destroy->list);
+ goto err_listen;
+ }
+ }
mutex_unlock(&lock);
+ return 0;
+
+err_listen:
+ list_del(&id_priv->list);
+ mutex_unlock(&lock);
+ if (to_destroy)
+ rdma_destroy_id(&to_destroy->id);
+ return ret;
}
void rdma_set_service_type(struct rdma_cm_id *id, int tos)
@@ -3692,8 +3716,11 @@ int rdma_listen(struct rdma_cm_id *id, int backlog)
ret = -ENOSYS;
goto err;
}
- } else
- cma_listen_on_all(id_priv);
+ } else {
+ ret = cma_listen_on_all(id_priv);
+ if (ret)
+ goto err;
+ }
return 0;
err:
@@ -4773,69 +4800,6 @@ static struct notifier_block cma_nb = {
.notifier_call = cma_netdev_callback
};
-static int cma_add_one(struct ib_device *device)
-{
- struct cma_device *cma_dev;
- struct rdma_id_private *id_priv;
- unsigned int i;
- unsigned long supported_gids = 0;
- int ret;
-
- cma_dev = kmalloc(sizeof *cma_dev, GFP_KERNEL);
- if (!cma_dev)
- return -ENOMEM;
-
- cma_dev->device = device;
- cma_dev->default_gid_type = kcalloc(device->phys_port_cnt,
- sizeof(*cma_dev->default_gid_type),
- GFP_KERNEL);
- if (!cma_dev->default_gid_type) {
- ret = -ENOMEM;
- goto free_cma_dev;
- }
-
- cma_dev->default_roce_tos = kcalloc(device->phys_port_cnt,
- sizeof(*cma_dev->default_roce_tos),
- GFP_KERNEL);
- if (!cma_dev->default_roce_tos) {
- ret = -ENOMEM;
- goto free_gid_type;
- }
-
- rdma_for_each_port (device, i) {
- supported_gids = roce_gid_type_mask_support(device, i);
- WARN_ON(!supported_gids);
- if (supported_gids & (1 << CMA_PREFERRED_ROCE_GID_TYPE))
- cma_dev->default_gid_type[i - rdma_start_port(device)] =
- CMA_PREFERRED_ROCE_GID_TYPE;
- else
- cma_dev->default_gid_type[i - rdma_start_port(device)] =
- find_first_bit(&supported_gids, BITS_PER_LONG);
- cma_dev->default_roce_tos[i - rdma_start_port(device)] = 0;
- }
-
- init_completion(&cma_dev->comp);
- refcount_set(&cma_dev->refcount, 1);
- INIT_LIST_HEAD(&cma_dev->id_list);
- ib_set_client_data(device, &cma_client, cma_dev);
-
- mutex_lock(&lock);
- list_add_tail(&cma_dev->list, &dev_list);
- list_for_each_entry(id_priv, &listen_any_list, list)
- cma_listen_on_dev(id_priv, cma_dev);
- mutex_unlock(&lock);
-
- trace_cm_add_one(device);
- return 0;
-
-free_gid_type:
- kfree(cma_dev->default_gid_type);
-
-free_cma_dev:
- kfree(cma_dev);
- return ret;
-}
-
static void cma_send_device_removal_put(struct rdma_id_private *id_priv)
{
struct rdma_cm_event event = { .event = RDMA_CM_EVENT_DEVICE_REMOVAL };
@@ -4898,6 +4862,80 @@ static void cma_process_remove(struct cma_device *cma_dev)
wait_for_completion(&cma_dev->comp);
}
+static int cma_add_one(struct ib_device *device)
+{
+ struct rdma_id_private *to_destroy;
+ struct cma_device *cma_dev;
+ struct rdma_id_private *id_priv;
+ unsigned int i;
+ unsigned long supported_gids = 0;
+ int ret;
+
+ cma_dev = kmalloc(sizeof(*cma_dev), GFP_KERNEL);
+ if (!cma_dev)
+ return -ENOMEM;
+
+ cma_dev->device = device;
+ cma_dev->default_gid_type = kcalloc(device->phys_port_cnt,
+ sizeof(*cma_dev->default_gid_type),
+ GFP_KERNEL);
+ if (!cma_dev->default_gid_type) {
+ ret = -ENOMEM;
+ goto free_cma_dev;
+ }
+
+ cma_dev->default_roce_tos = kcalloc(device->phys_port_cnt,
+ sizeof(*cma_dev->default_roce_tos),
+ GFP_KERNEL);
+ if (!cma_dev->default_roce_tos) {
+ ret = -ENOMEM;
+ goto free_gid_type;
+ }
+
+ rdma_for_each_port (device, i) {
+ supported_gids = roce_gid_type_mask_support(device, i);
+ WARN_ON(!supported_gids);
+ if (supported_gids & (1 << CMA_PREFERRED_ROCE_GID_TYPE))
+ cma_dev->default_gid_type[i - rdma_start_port(device)] =
+ CMA_PREFERRED_ROCE_GID_TYPE;
+ else
+ cma_dev->default_gid_type[i - rdma_start_port(device)] =
+ find_first_bit(&supported_gids, BITS_PER_LONG);
+ cma_dev->default_roce_tos[i - rdma_start_port(device)] = 0;
+ }
+
+ init_completion(&cma_dev->comp);
+ refcount_set(&cma_dev->refcount, 1);
+ INIT_LIST_HEAD(&cma_dev->id_list);
+ ib_set_client_data(device, &cma_client, cma_dev);
+
+ mutex_lock(&lock);
+ list_add_tail(&cma_dev->list, &dev_list);
+ list_for_each_entry(id_priv, &listen_any_list, list) {
+ ret = cma_listen_on_dev(id_priv, cma_dev, &to_destroy);
+ if (ret)
+ goto free_listen;
+ }
+ mutex_unlock(&lock);
+
+ trace_cm_add_one(device);
+ return 0;
+
+free_listen:
+ list_del(&cma_dev->list);
+ mutex_unlock(&lock);
+
+ /* cma_process_remove() will delete to_destroy */
+ cma_process_remove(cma_dev);
+ kfree(cma_dev->default_roce_tos);
+free_gid_type:
+ kfree(cma_dev->default_gid_type);
+
+free_cma_dev:
+ kfree(cma_dev);
+ return ret;
+}
+
static void cma_remove_one(struct ib_device *device, void *client_data)
{
struct cma_device *cma_dev = client_data;
diff --git a/drivers/infiniband/core/cma_configfs.c b/drivers/infiniband/core/cma_configfs.c
index 7ec4af2ed87a..7f70e5a7de10 100644
--- a/drivers/infiniband/core/cma_configfs.c
+++ b/drivers/infiniband/core/cma_configfs.c
@@ -115,7 +115,7 @@ static ssize_t default_roce_mode_show(struct config_item *item,
if (gid_type < 0)
return gid_type;
- return sprintf(buf, "%s\n", ib_cache_gid_type_str(gid_type));
+ return sysfs_emit(buf, "%s\n", ib_cache_gid_type_str(gid_type));
}
static ssize_t default_roce_mode_store(struct config_item *item,
@@ -157,7 +157,7 @@ static ssize_t default_roce_tos_show(struct config_item *item, char *buf)
tos = cma_get_default_roce_tos(cma_dev, group->port_num);
cma_configfs_params_put(cma_dev);
- return sprintf(buf, "%u\n", tos);
+ return sysfs_emit(buf, "%u\n", tos);
}
static ssize_t default_roce_tos_store(struct config_item *item,
diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h
index e84b0fedaacb..baa86c86efad 100644
--- a/drivers/infiniband/core/core_priv.h
+++ b/drivers/infiniband/core/core_priv.h
@@ -318,15 +318,12 @@ struct ib_device *ib_device_get_by_index(const struct net *net, u32 index);
void nldev_init(void);
void nldev_exit(void);
-static inline struct ib_qp *_ib_create_qp(struct ib_device *dev,
- struct ib_pd *pd,
- struct ib_qp_init_attr *attr,
- struct ib_udata *udata,
- struct ib_uqp_object *uobj)
+static inline struct ib_qp *
+_ib_create_qp(struct ib_device *dev, struct ib_pd *pd,
+ struct ib_qp_init_attr *attr, struct ib_udata *udata,
+ struct ib_uqp_object *uobj, const char *caller)
{
- enum ib_qp_type qp_type = attr->qp_type;
struct ib_qp *qp;
- bool is_xrc;
if (!dev->ops.create_qp)
return ERR_PTR(-EOPNOTSUPP);
@@ -347,6 +344,7 @@ static inline struct ib_qp *_ib_create_qp(struct ib_device *dev,
qp->srq = attr->srq;
qp->rwq_ind_tbl = attr->rwq_ind_tbl;
qp->event_handler = attr->event_handler;
+ qp->port = attr->port_num;
atomic_set(&qp->usecnt, 0);
spin_lock_init(&qp->mr_lock);
@@ -354,16 +352,9 @@ static inline struct ib_qp *_ib_create_qp(struct ib_device *dev,
INIT_LIST_HEAD(&qp->sig_mrs);
rdma_restrack_new(&qp->res, RDMA_RESTRACK_QP);
- /*
- * We don't track XRC QPs for now, because they don't have PD
- * and more importantly they are created internaly by driver,
- * see mlx5 create_dev_resources() as an example.
- */
- is_xrc = qp_type == IB_QPT_XRC_INI || qp_type == IB_QPT_XRC_TGT;
- if ((qp_type < IB_QPT_MAX && !is_xrc) || qp_type == IB_QPT_DRIVER) {
- rdma_restrack_parent_name(&qp->res, &pd->res);
- rdma_restrack_add(&qp->res);
- }
+ WARN_ONCE(!udata && !caller, "Missing kernel QP owner");
+ rdma_restrack_set_name(&qp->res, udata ? NULL : caller);
+ rdma_restrack_add(&qp->res);
return qp;
}
diff --git a/drivers/infiniband/core/counters.c b/drivers/infiniband/core/counters.c
index e4ff0d3328b6..92745522250e 100644
--- a/drivers/infiniband/core/counters.c
+++ b/drivers/infiniband/core/counters.c
@@ -64,8 +64,40 @@ out:
return ret;
}
-static struct rdma_counter *rdma_counter_alloc(struct ib_device *dev, u8 port,
- enum rdma_nl_counter_mode mode)
+static void auto_mode_init_counter(struct rdma_counter *counter,
+ const struct ib_qp *qp,
+ enum rdma_nl_counter_mask new_mask)
+{
+ struct auto_mode_param *param = &counter->mode.param;
+
+ counter->mode.mode = RDMA_COUNTER_MODE_AUTO;
+ counter->mode.mask = new_mask;
+
+ if (new_mask & RDMA_COUNTER_MASK_QP_TYPE)
+ param->qp_type = qp->qp_type;
+}
+
+static int __rdma_counter_bind_qp(struct rdma_counter *counter,
+ struct ib_qp *qp)
+{
+ int ret;
+
+ if (qp->counter)
+ return -EINVAL;
+
+ if (!qp->device->ops.counter_bind_qp)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&counter->lock);
+ ret = qp->device->ops.counter_bind_qp(counter, qp);
+ mutex_unlock(&counter->lock);
+
+ return ret;
+}
+
+static struct rdma_counter *alloc_and_bind(struct ib_device *dev, u8 port,
+ struct ib_qp *qp,
+ enum rdma_nl_counter_mode mode)
{
struct rdma_port_counter *port_counter;
struct rdma_counter *counter;
@@ -88,11 +120,22 @@ static struct rdma_counter *rdma_counter_alloc(struct ib_device *dev, u8 port,
port_counter = &dev->port_data[port].port_counter;
mutex_lock(&port_counter->lock);
- if (mode == RDMA_COUNTER_MODE_MANUAL) {
+ switch (mode) {
+ case RDMA_COUNTER_MODE_MANUAL:
ret = __counter_set_mode(&port_counter->mode,
RDMA_COUNTER_MODE_MANUAL, 0);
- if (ret)
+ if (ret) {
+ mutex_unlock(&port_counter->lock);
goto err_mode;
+ }
+ break;
+ case RDMA_COUNTER_MODE_AUTO:
+ auto_mode_init_counter(counter, qp, port_counter->mode.mask);
+ break;
+ default:
+ ret = -EOPNOTSUPP;
+ mutex_unlock(&port_counter->lock);
+ goto err_mode;
}
port_counter->num_counters++;
@@ -102,10 +145,15 @@ static struct rdma_counter *rdma_counter_alloc(struct ib_device *dev, u8 port,
kref_init(&counter->kref);
mutex_init(&counter->lock);
+ ret = __rdma_counter_bind_qp(counter, qp);
+ if (ret)
+ goto err_mode;
+
+ rdma_restrack_parent_name(&counter->res, &qp->res);
+ rdma_restrack_add(&counter->res);
return counter;
err_mode:
- mutex_unlock(&port_counter->lock);
kfree(counter->stats);
err_stats:
rdma_restrack_put(&counter->res);
@@ -132,19 +180,6 @@ static void rdma_counter_free(struct rdma_counter *counter)
kfree(counter);
}
-static void auto_mode_init_counter(struct rdma_counter *counter,
- const struct ib_qp *qp,
- enum rdma_nl_counter_mask new_mask)
-{
- struct auto_mode_param *param = &counter->mode.param;
-
- counter->mode.mode = RDMA_COUNTER_MODE_AUTO;
- counter->mode.mask = new_mask;
-
- if (new_mask & RDMA_COUNTER_MASK_QP_TYPE)
- param->qp_type = qp->qp_type;
-}
-
static bool auto_mode_match(struct ib_qp *qp, struct rdma_counter *counter,
enum rdma_nl_counter_mask auto_mask)
{
@@ -161,24 +196,6 @@ static bool auto_mode_match(struct ib_qp *qp, struct rdma_counter *counter,
return match;
}
-static int __rdma_counter_bind_qp(struct rdma_counter *counter,
- struct ib_qp *qp)
-{
- int ret;
-
- if (qp->counter)
- return -EINVAL;
-
- if (!qp->device->ops.counter_bind_qp)
- return -EOPNOTSUPP;
-
- mutex_lock(&counter->lock);
- ret = qp->device->ops.counter_bind_qp(counter, qp);
- mutex_unlock(&counter->lock);
-
- return ret;
-}
-
static int __rdma_counter_unbind_qp(struct ib_qp *qp)
{
struct rdma_counter *counter = qp->counter;
@@ -247,13 +264,6 @@ next:
return counter;
}
-static void rdma_counter_res_add(struct rdma_counter *counter,
- struct ib_qp *qp)
-{
- rdma_restrack_parent_name(&counter->res, &qp->res);
- rdma_restrack_add(&counter->res);
-}
-
static void counter_release(struct kref *kref)
{
struct rdma_counter *counter;
@@ -275,7 +285,7 @@ int rdma_counter_bind_qp_auto(struct ib_qp *qp, u8 port)
struct rdma_counter *counter;
int ret;
- if (!qp->res.valid || rdma_is_kernel_res(&qp->res))
+ if (!rdma_restrack_is_tracked(&qp->res) || rdma_is_kernel_res(&qp->res))
return 0;
if (!rdma_is_port_valid(dev, port))
@@ -293,19 +303,9 @@ int rdma_counter_bind_qp_auto(struct ib_qp *qp, u8 port)
return ret;
}
} else {
- counter = rdma_counter_alloc(dev, port, RDMA_COUNTER_MODE_AUTO);
+ counter = alloc_and_bind(dev, port, qp, RDMA_COUNTER_MODE_AUTO);
if (!counter)
return -ENOMEM;
-
- auto_mode_init_counter(counter, qp, port_counter->mode.mask);
-
- ret = __rdma_counter_bind_qp(counter, qp);
- if (ret) {
- rdma_counter_free(counter);
- return ret;
- }
-
- rdma_counter_res_add(counter, qp);
}
return 0;
@@ -419,15 +419,6 @@ err:
return NULL;
}
-static int rdma_counter_bind_qp_manual(struct rdma_counter *counter,
- struct ib_qp *qp)
-{
- if ((counter->device != qp->device) || (counter->port != qp->port))
- return -EINVAL;
-
- return __rdma_counter_bind_qp(counter, qp);
-}
-
static struct rdma_counter *rdma_get_counter_by_id(struct ib_device *dev,
u32 counter_id)
{
@@ -475,7 +466,12 @@ int rdma_counter_bind_qpn(struct ib_device *dev, u8 port,
goto err_task;
}
- ret = rdma_counter_bind_qp_manual(counter, qp);
+ if ((counter->device != qp->device) || (counter->port != qp->port)) {
+ ret = -EINVAL;
+ goto err_task;
+ }
+
+ ret = __rdma_counter_bind_qp(counter, qp);
if (ret)
goto err_task;
@@ -520,26 +516,18 @@ int rdma_counter_bind_qpn_alloc(struct ib_device *dev, u8 port,
goto err;
}
- counter = rdma_counter_alloc(dev, port, RDMA_COUNTER_MODE_MANUAL);
+ counter = alloc_and_bind(dev, port, qp, RDMA_COUNTER_MODE_MANUAL);
if (!counter) {
ret = -ENOMEM;
goto err;
}
- ret = rdma_counter_bind_qp_manual(counter, qp);
- if (ret)
- goto err_bind;
-
if (counter_id)
*counter_id = counter->id;
- rdma_counter_res_add(counter, qp);
-
rdma_restrack_put(&qp->res);
- return ret;
+ return 0;
-err_bind:
- rdma_counter_free(counter);
err:
rdma_restrack_put(&qp->res);
return ret;
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index a3b1fc84cdca..3ab1edea6acb 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -284,6 +284,7 @@ static void ib_device_check_mandatory(struct ib_device *device)
IB_MANDATORY_FUNC(poll_cq),
IB_MANDATORY_FUNC(req_notify_cq),
IB_MANDATORY_FUNC(get_dma_mr),
+ IB_MANDATORY_FUNC(reg_user_mr),
IB_MANDATORY_FUNC(dereg_mr),
IB_MANDATORY_FUNC(get_port_immutable)
};
@@ -600,6 +601,37 @@ struct ib_device *_ib_alloc_device(size_t size)
init_completion(&device->unreg_completion);
INIT_WORK(&device->unregistration_work, ib_unregister_work);
+ device->uverbs_cmd_mask =
+ BIT_ULL(IB_USER_VERBS_CMD_ALLOC_MW) |
+ BIT_ULL(IB_USER_VERBS_CMD_ALLOC_PD) |
+ BIT_ULL(IB_USER_VERBS_CMD_ATTACH_MCAST) |
+ BIT_ULL(IB_USER_VERBS_CMD_CLOSE_XRCD) |
+ BIT_ULL(IB_USER_VERBS_CMD_CREATE_AH) |
+ BIT_ULL(IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
+ BIT_ULL(IB_USER_VERBS_CMD_CREATE_CQ) |
+ BIT_ULL(IB_USER_VERBS_CMD_CREATE_QP) |
+ BIT_ULL(IB_USER_VERBS_CMD_CREATE_SRQ) |
+ BIT_ULL(IB_USER_VERBS_CMD_CREATE_XSRQ) |
+ BIT_ULL(IB_USER_VERBS_CMD_DEALLOC_MW) |
+ BIT_ULL(IB_USER_VERBS_CMD_DEALLOC_PD) |
+ BIT_ULL(IB_USER_VERBS_CMD_DEREG_MR) |
+ BIT_ULL(IB_USER_VERBS_CMD_DESTROY_AH) |
+ BIT_ULL(IB_USER_VERBS_CMD_DESTROY_CQ) |
+ BIT_ULL(IB_USER_VERBS_CMD_DESTROY_QP) |
+ BIT_ULL(IB_USER_VERBS_CMD_DESTROY_SRQ) |
+ BIT_ULL(IB_USER_VERBS_CMD_DETACH_MCAST) |
+ BIT_ULL(IB_USER_VERBS_CMD_GET_CONTEXT) |
+ BIT_ULL(IB_USER_VERBS_CMD_MODIFY_QP) |
+ BIT_ULL(IB_USER_VERBS_CMD_MODIFY_SRQ) |
+ BIT_ULL(IB_USER_VERBS_CMD_OPEN_QP) |
+ BIT_ULL(IB_USER_VERBS_CMD_OPEN_XRCD) |
+ BIT_ULL(IB_USER_VERBS_CMD_QUERY_DEVICE) |
+ BIT_ULL(IB_USER_VERBS_CMD_QUERY_PORT) |
+ BIT_ULL(IB_USER_VERBS_CMD_QUERY_QP) |
+ BIT_ULL(IB_USER_VERBS_CMD_QUERY_SRQ) |
+ BIT_ULL(IB_USER_VERBS_CMD_REG_MR) |
+ BIT_ULL(IB_USER_VERBS_CMD_REREG_MR) |
+ BIT_ULL(IB_USER_VERBS_CMD_RESIZE_CQ);
return device;
}
EXPORT_SYMBOL(_ib_alloc_device);
@@ -1177,25 +1209,6 @@ out:
return ret;
}
-static void setup_dma_device(struct ib_device *device,
- struct device *dma_device)
-{
- /*
- * If the caller does not provide a DMA capable device then the IB
- * device will be used. In this case the caller should fully setup the
- * ibdev for DMA. This usually means using dma_virt_ops.
- */
-#ifdef CONFIG_DMA_VIRT_OPS
- if (!dma_device) {
- device->dev.dma_ops = &dma_virt_ops;
- dma_device = &device->dev;
- }
-#endif
- WARN_ON(!dma_device);
- device->dma_device = dma_device;
- WARN_ON(!device->dma_device->dma_parms);
-}
-
/*
* setup_device() allocates memory and sets up data that requires calling the
* device ops, this is the only reason these actions are not done during
@@ -1341,7 +1354,14 @@ int ib_register_device(struct ib_device *device, const char *name,
if (ret)
return ret;
- setup_dma_device(device, dma_device);
+ /*
+ * If the caller does not provide a DMA capable device then the IB core
+ * will set up ib_sge and scatterlist structures that stash the kernel
+ * virtual address into the address field.
+ */
+ WARN_ON(dma_device && !dma_device->dma_parms);
+ device->dma_device = dma_device;
+
ret = setup_device(device);
if (ret)
return ret;
@@ -2576,6 +2596,7 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops)
SET_DEVICE_OP(dev_ops, create_qp);
SET_DEVICE_OP(dev_ops, create_rwq_ind_table);
SET_DEVICE_OP(dev_ops, create_srq);
+ SET_DEVICE_OP(dev_ops, create_user_ah);
SET_DEVICE_OP(dev_ops, create_wq);
SET_DEVICE_OP(dev_ops, dealloc_dm);
SET_DEVICE_OP(dev_ops, dealloc_driver);
@@ -2675,6 +2696,21 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops)
}
EXPORT_SYMBOL(ib_set_device_ops);
+#ifdef CONFIG_INFINIBAND_VIRT_DMA
+int ib_dma_virt_map_sg(struct ib_device *dev, struct scatterlist *sg, int nents)
+{
+ struct scatterlist *s;
+ int i;
+
+ for_each_sg(sg, s, nents, i) {
+ sg_dma_address(s) = (uintptr_t)sg_virt(s);
+ sg_dma_len(s) = s->length;
+ }
+ return nents;
+}
+EXPORT_SYMBOL(ib_dma_virt_map_sg);
+#endif /* CONFIG_INFINIBAND_VIRT_DMA */
+
static const struct rdma_nl_cbs ibnl_ls_cb_table[RDMA_NL_LS_NUM_OPS] = {
[RDMA_NL_LS_OP_RESOLVE] = {
.doit = ib_nl_handle_resolve_resp,
diff --git a/drivers/infiniband/core/rdma_core.c b/drivers/infiniband/core/rdma_core.c
index ffe11b03724c..c44079b9158e 100644
--- a/drivers/infiniband/core/rdma_core.c
+++ b/drivers/infiniband/core/rdma_core.c
@@ -137,15 +137,9 @@ static int uverbs_destroy_uobject(struct ib_uobject *uobj,
} else if (uobj->object) {
ret = uobj->uapi_object->type_class->destroy_hw(uobj, reason,
attrs);
- if (ret) {
- if (ib_is_destroy_retryable(ret, reason, uobj))
- return ret;
-
- /* Nothing to be done, dangle the memory and move on */
- WARN(true,
- "ib_uverbs: failed to remove uobject id %d, driver err=%d",
- uobj->id, ret);
- }
+ if (ret)
+ /* Nothing to be done, wait till ucontext will clean it */
+ return ret;
uobj->object = NULL;
}
@@ -543,12 +537,7 @@ static int __must_check destroy_hw_idr_uobject(struct ib_uobject *uobj,
struct uverbs_obj_idr_type, type);
int ret = idr_type->destroy_object(uobj, why, attrs);
- /*
- * We can only fail gracefully if the user requested to destroy the
- * object or when a retry may be called upon an error.
- * In the rest of the cases, just remove whatever you can.
- */
- if (ib_is_destroy_retryable(ret, why, uobj))
+ if (ret)
return ret;
if (why == RDMA_REMOVE_ABORT)
@@ -581,11 +570,8 @@ static int __must_check destroy_hw_fd_uobject(struct ib_uobject *uobj,
{
const struct uverbs_obj_fd_type *fd_type = container_of(
uobj->uapi_object->type_attrs, struct uverbs_obj_fd_type, type);
- int ret = fd_type->destroy_object(uobj, why);
-
- if (ib_is_destroy_retryable(ret, why, uobj))
- return ret;
+ fd_type->destroy_object(uobj, why);
return 0;
}
@@ -863,11 +849,18 @@ static int __uverbs_cleanup_ufile(struct ib_uverbs_file *ufile,
* racing with a lookup_get.
*/
WARN_ON(uverbs_try_lock_object(obj, UVERBS_LOOKUP_WRITE));
+ if (reason == RDMA_REMOVE_DRIVER_FAILURE)
+ obj->object = NULL;
if (!uverbs_destroy_uobject(obj, reason, &attrs))
ret = 0;
else
atomic_set(&obj->usecnt, 0);
}
+
+ if (reason == RDMA_REMOVE_DRIVER_FAILURE) {
+ WARN_ON(!list_empty(&ufile->uobjects));
+ return 0;
+ }
return ret;
}
@@ -889,21 +882,12 @@ void uverbs_destroy_ufile_hw(struct ib_uverbs_file *ufile,
if (!ufile->ucontext)
goto done;
- ufile->ucontext->cleanup_retryable = true;
- while (!list_empty(&ufile->uobjects))
- if (__uverbs_cleanup_ufile(ufile, reason)) {
- /*
- * No entry was cleaned-up successfully during this
- * iteration. It is a driver bug to fail destruction.
- */
- WARN_ON(!list_empty(&ufile->uobjects));
- break;
- }
-
- ufile->ucontext->cleanup_retryable = false;
- if (!list_empty(&ufile->uobjects))
- __uverbs_cleanup_ufile(ufile, reason);
+ while (!list_empty(&ufile->uobjects) &&
+ !__uverbs_cleanup_ufile(ufile, reason)) {
+ }
+ if (WARN_ON(!list_empty(&ufile->uobjects)))
+ __uverbs_cleanup_ufile(ufile, RDMA_REMOVE_DRIVER_FAILURE);
ufile_destroy_ucontext(ufile, reason);
done:
diff --git a/drivers/infiniband/core/restrack.c b/drivers/infiniband/core/restrack.c
index 4aeeaaed0f17..e0a41c867002 100644
--- a/drivers/infiniband/core/restrack.c
+++ b/drivers/infiniband/core/restrack.c
@@ -221,19 +221,29 @@ void rdma_restrack_add(struct rdma_restrack_entry *res)
{
struct ib_device *dev = res_to_dev(res);
struct rdma_restrack_root *rt;
- int ret;
+ int ret = 0;
if (!dev)
return;
+ if (res->no_track)
+ goto out;
+
rt = &dev->res[res->type];
if (res->type == RDMA_RESTRACK_QP) {
/* Special case to ensure that LQPN points to right QP */
struct ib_qp *qp = container_of(res, struct ib_qp, res);
- ret = xa_insert(&rt->xa, qp->qp_num, res, GFP_KERNEL);
- res->id = ret ? 0 : qp->qp_num;
+ WARN_ONCE(qp->qp_num >> 24 || qp->port >> 8,
+ "QP number 0x%0X and port 0x%0X", qp->qp_num,
+ qp->port);
+ res->id = qp->qp_num;
+ if (qp->qp_type == IB_QPT_SMI || qp->qp_type == IB_QPT_GSI)
+ res->id |= qp->port << 24;
+ ret = xa_insert(&rt->xa, res->id, res, GFP_KERNEL);
+ if (ret)
+ res->id = 0;
} else if (res->type == RDMA_RESTRACK_COUNTER) {
/* Special case to ensure that cntn points to right counter */
struct rdma_counter *counter;
@@ -246,6 +256,7 @@ void rdma_restrack_add(struct rdma_restrack_entry *res)
&rt->next_id, GFP_KERNEL);
}
+out:
if (!ret)
res->valid = true;
}
@@ -318,6 +329,9 @@ void rdma_restrack_del(struct rdma_restrack_entry *res)
return;
}
+ if (res->no_track)
+ goto out;
+
dev = res_to_dev(res);
if (WARN_ON(!dev))
return;
@@ -328,8 +342,9 @@ void rdma_restrack_del(struct rdma_restrack_entry *res)
if (res->type == RDMA_RESTRACK_MR || res->type == RDMA_RESTRACK_QP)
return;
WARN_ON(old != res);
- res->valid = false;
+out:
+ res->valid = false;
rdma_restrack_put(res);
wait_for_completion(&res->comp);
}
diff --git a/drivers/infiniband/core/rw.c b/drivers/infiniband/core/rw.c
index 13f43ab7220b..a96030b784eb 100644
--- a/drivers/infiniband/core/rw.c
+++ b/drivers/infiniband/core/rw.c
@@ -285,8 +285,11 @@ static void rdma_rw_unmap_sg(struct ib_device *dev, struct scatterlist *sg,
static int rdma_rw_map_sg(struct ib_device *dev, struct scatterlist *sg,
u32 sg_cnt, enum dma_data_direction dir)
{
- if (is_pci_p2pdma_page(sg_page(sg)))
+ if (is_pci_p2pdma_page(sg_page(sg))) {
+ if (WARN_ON_ONCE(ib_uses_virt_dma(dev)))
+ return 0;
return pci_p2pdma_map_sg(dev->dma_device, sg, sg_cnt, dir);
+ }
return ib_dma_map_sg(dev, sg, sg_cnt, dir);
}
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index 914cddea525d..b8abb30f80df 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -165,9 +165,11 @@ static ssize_t state_show(struct ib_port *p, struct port_attribute *unused,
if (ret)
return ret;
- return sprintf(buf, "%d: %s\n", attr.state,
- attr.state >= 0 && attr.state < ARRAY_SIZE(state_name) ?
- state_name[attr.state] : "UNKNOWN");
+ return sysfs_emit(buf, "%d: %s\n", attr.state,
+ attr.state >= 0 &&
+ attr.state < ARRAY_SIZE(state_name) ?
+ state_name[attr.state] :
+ "UNKNOWN");
}
static ssize_t lid_show(struct ib_port *p, struct port_attribute *unused,
@@ -180,7 +182,7 @@ static ssize_t lid_show(struct ib_port *p, struct port_attribute *unused,
if (ret)
return ret;
- return sprintf(buf, "0x%x\n", attr.lid);
+ return sysfs_emit(buf, "0x%x\n", attr.lid);
}
static ssize_t lid_mask_count_show(struct ib_port *p,
@@ -194,7 +196,7 @@ static ssize_t lid_mask_count_show(struct ib_port *p,
if (ret)
return ret;
- return sprintf(buf, "%d\n", attr.lmc);
+ return sysfs_emit(buf, "%d\n", attr.lmc);
}
static ssize_t sm_lid_show(struct ib_port *p, struct port_attribute *unused,
@@ -207,7 +209,7 @@ static ssize_t sm_lid_show(struct ib_port *p, struct port_attribute *unused,
if (ret)
return ret;
- return sprintf(buf, "0x%x\n", attr.sm_lid);
+ return sysfs_emit(buf, "0x%x\n", attr.sm_lid);
}
static ssize_t sm_sl_show(struct ib_port *p, struct port_attribute *unused,
@@ -220,7 +222,7 @@ static ssize_t sm_sl_show(struct ib_port *p, struct port_attribute *unused,
if (ret)
return ret;
- return sprintf(buf, "%d\n", attr.sm_sl);
+ return sysfs_emit(buf, "%d\n", attr.sm_sl);
}
static ssize_t cap_mask_show(struct ib_port *p, struct port_attribute *unused,
@@ -233,7 +235,7 @@ static ssize_t cap_mask_show(struct ib_port *p, struct port_attribute *unused,
if (ret)
return ret;
- return sprintf(buf, "0x%08x\n", attr.port_cap_flags);
+ return sysfs_emit(buf, "0x%08x\n", attr.port_cap_flags);
}
static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
@@ -273,6 +275,10 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
speed = " HDR";
rate = 500;
break;
+ case IB_SPEED_NDR:
+ speed = " NDR";
+ rate = 1000;
+ break;
case IB_SPEED_SDR:
default: /* default to SDR for invalid rates */
speed = " SDR";
@@ -284,9 +290,9 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
if (rate < 0)
return -EINVAL;
- return sprintf(buf, "%d%s Gb/sec (%dX%s)\n",
- rate / 10, rate % 10 ? ".5" : "",
- ib_width_enum_to_int(attr.active_width), speed);
+ return sysfs_emit(buf, "%d%s Gb/sec (%dX%s)\n", rate / 10,
+ rate % 10 ? ".5" : "",
+ ib_width_enum_to_int(attr.active_width), speed);
}
static const char *phys_state_to_str(enum ib_port_phys_state phys_state)
@@ -318,21 +324,28 @@ static ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused,
if (ret)
return ret;
- return sprintf(buf, "%d: %s\n", attr.phys_state,
- phys_state_to_str(attr.phys_state));
+ return sysfs_emit(buf, "%d: %s\n", attr.phys_state,
+ phys_state_to_str(attr.phys_state));
}
static ssize_t link_layer_show(struct ib_port *p, struct port_attribute *unused,
char *buf)
{
+ const char *output;
+
switch (rdma_port_get_link_layer(p->ibdev, p->port_num)) {
case IB_LINK_LAYER_INFINIBAND:
- return sprintf(buf, "%s\n", "InfiniBand");
+ output = "InfiniBand";
+ break;
case IB_LINK_LAYER_ETHERNET:
- return sprintf(buf, "%s\n", "Ethernet");
+ output = "Ethernet";
+ break;
default:
- return sprintf(buf, "%s\n", "Unknown");
+ output = "Unknown";
+ break;
}
+
+ return sysfs_emit(buf, "%s\n", output);
}
static PORT_ATTR_RO(state);
@@ -358,27 +371,28 @@ static struct attribute *port_default_attrs[] = {
NULL
};
-static size_t print_ndev(const struct ib_gid_attr *gid_attr, char *buf)
+static ssize_t print_ndev(const struct ib_gid_attr *gid_attr, char *buf)
{
struct net_device *ndev;
- size_t ret = -EINVAL;
+ int ret = -EINVAL;
rcu_read_lock();
ndev = rcu_dereference(gid_attr->ndev);
if (ndev)
- ret = sprintf(buf, "%s\n", ndev->name);
+ ret = sysfs_emit(buf, "%s\n", ndev->name);
rcu_read_unlock();
return ret;
}
-static size_t print_gid_type(const struct ib_gid_attr *gid_attr, char *buf)
+static ssize_t print_gid_type(const struct ib_gid_attr *gid_attr, char *buf)
{
- return sprintf(buf, "%s\n", ib_cache_gid_type_str(gid_attr->gid_type));
+ return sysfs_emit(buf, "%s\n",
+ ib_cache_gid_type_str(gid_attr->gid_type));
}
static ssize_t _show_port_gid_attr(
struct ib_port *p, struct port_attribute *attr, char *buf,
- size_t (*print)(const struct ib_gid_attr *gid_attr, char *buf))
+ ssize_t (*print)(const struct ib_gid_attr *gid_attr, char *buf))
{
struct port_table_attribute *tab_attr =
container_of(attr, struct port_table_attribute, attr);
@@ -401,7 +415,7 @@ static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr,
struct port_table_attribute *tab_attr =
container_of(attr, struct port_table_attribute, attr);
const struct ib_gid_attr *gid_attr;
- ssize_t ret;
+ int len;
gid_attr = rdma_get_gid_attr(p->ibdev, p->port_num, tab_attr->index);
if (IS_ERR(gid_attr)) {
@@ -416,12 +430,12 @@ static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr,
* space throwing such error on fail to read gid, return zero
* GID as before. This maintains backward compatibility.
*/
- return sprintf(buf, "%pI6\n", zgid.raw);
+ return sysfs_emit(buf, "%pI6\n", zgid.raw);
}
- ret = sprintf(buf, "%pI6\n", gid_attr->gid.raw);
+ len = sysfs_emit(buf, "%pI6\n", gid_attr->gid.raw);
rdma_put_gid_attr(gid_attr);
- return ret;
+ return len;
}
static ssize_t show_port_gid_attr_ndev(struct ib_port *p,
@@ -443,13 +457,13 @@ static ssize_t show_port_pkey(struct ib_port *p, struct port_attribute *attr,
struct port_table_attribute *tab_attr =
container_of(attr, struct port_table_attribute, attr);
u16 pkey;
- ssize_t ret;
+ int ret;
ret = ib_query_pkey(p->ibdev, p->port_num, tab_attr->index, &pkey);
if (ret)
return ret;
- return sprintf(buf, "0x%04x\n", pkey);
+ return sysfs_emit(buf, "0x%04x\n", pkey);
}
#define PORT_PMA_ATTR(_name, _counter, _width, _offset) \
@@ -521,8 +535,9 @@ static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr,
container_of(attr, struct port_table_attribute, attr);
int offset = tab_attr->index & 0xffff;
int width = (tab_attr->index >> 16) & 0xff;
- ssize_t ret;
+ int ret;
u8 data[8];
+ int len;
ret = get_perf_mad(p->ibdev, p->port_num, tab_attr->attr_id, &data,
40 + offset / 8, sizeof(data));
@@ -531,30 +546,27 @@ static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr,
switch (width) {
case 4:
- ret = sprintf(buf, "%u\n", (*data >>
- (4 - (offset % 8))) & 0xf);
+ len = sysfs_emit(buf, "%u\n",
+ (*data >> (4 - (offset % 8))) & 0xf);
break;
case 8:
- ret = sprintf(buf, "%u\n", *data);
+ len = sysfs_emit(buf, "%u\n", *data);
break;
case 16:
- ret = sprintf(buf, "%u\n",
- be16_to_cpup((__be16 *)data));
+ len = sysfs_emit(buf, "%u\n", be16_to_cpup((__be16 *)data));
break;
case 32:
- ret = sprintf(buf, "%u\n",
- be32_to_cpup((__be32 *)data));
+ len = sysfs_emit(buf, "%u\n", be32_to_cpup((__be32 *)data));
break;
case 64:
- ret = sprintf(buf, "%llu\n",
- be64_to_cpup((__be64 *)data));
+ len = sysfs_emit(buf, "%llu\n", be64_to_cpup((__be64 *)data));
break;
-
default:
- ret = 0;
+ len = 0;
+ break;
}
- return ret;
+ return len;
}
static PORT_PMA_ATTR(symbol_error , 0, 16, 32);
@@ -815,12 +827,12 @@ static int update_hw_stats(struct ib_device *dev, struct rdma_hw_stats *stats,
return 0;
}
-static ssize_t print_hw_stat(struct ib_device *dev, int port_num,
- struct rdma_hw_stats *stats, int index, char *buf)
+static int print_hw_stat(struct ib_device *dev, int port_num,
+ struct rdma_hw_stats *stats, int index, char *buf)
{
u64 v = rdma_counter_get_hwstat_value(dev, port_num, index);
- return sprintf(buf, "%llu\n", stats->value[index] + v);
+ return sysfs_emit(buf, "%llu\n", stats->value[index] + v);
}
static ssize_t show_hw_stats(struct kobject *kobj, struct attribute *attr,
@@ -877,7 +889,7 @@ static ssize_t show_stats_lifespan(struct kobject *kobj,
msecs = jiffies_to_msecs(stats->lifespan);
mutex_unlock(&stats->lock);
- return sprintf(buf, "%d\n", msecs);
+ return sysfs_emit(buf, "%d\n", msecs);
}
static ssize_t set_stats_lifespan(struct kobject *kobj,
@@ -1224,21 +1236,34 @@ err_put:
return ret;
}
+static const char *node_type_string(int node_type)
+{
+ switch (node_type) {
+ case RDMA_NODE_IB_CA:
+ return "CA";
+ case RDMA_NODE_IB_SWITCH:
+ return "switch";
+ case RDMA_NODE_IB_ROUTER:
+ return "router";
+ case RDMA_NODE_RNIC:
+ return "RNIC";
+ case RDMA_NODE_USNIC:
+ return "usNIC";
+ case RDMA_NODE_USNIC_UDP:
+ return "usNIC UDP";
+ case RDMA_NODE_UNSPECIFIED:
+ return "unspecified";
+ }
+ return "<unknown>";
+}
+
static ssize_t node_type_show(struct device *device,
struct device_attribute *attr, char *buf)
{
struct ib_device *dev = rdma_device_to_ibdev(device);
- switch (dev->node_type) {
- case RDMA_NODE_IB_CA: return sprintf(buf, "%d: CA\n", dev->node_type);
- case RDMA_NODE_RNIC: return sprintf(buf, "%d: RNIC\n", dev->node_type);
- case RDMA_NODE_USNIC: return sprintf(buf, "%d: usNIC\n", dev->node_type);
- case RDMA_NODE_USNIC_UDP: return sprintf(buf, "%d: usNIC UDP\n", dev->node_type);
- case RDMA_NODE_UNSPECIFIED: return sprintf(buf, "%d: unspecified\n", dev->node_type);
- case RDMA_NODE_IB_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type);
- case RDMA_NODE_IB_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type);
- default: return sprintf(buf, "%d: <unknown>\n", dev->node_type);
- }
+ return sysfs_emit(buf, "%d: %s\n", dev->node_type,
+ node_type_string(dev->node_type));
}
static DEVICE_ATTR_RO(node_type);
@@ -1246,12 +1271,13 @@ static ssize_t sys_image_guid_show(struct device *device,
struct device_attribute *dev_attr, char *buf)
{
struct ib_device *dev = rdma_device_to_ibdev(device);
+ __be16 *guid = (__be16 *)&dev->attrs.sys_image_guid;
- return sprintf(buf, "%04x:%04x:%04x:%04x\n",
- be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[0]),
- be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[1]),
- be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[2]),
- be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[3]));
+ return sysfs_emit(buf, "%04x:%04x:%04x:%04x\n",
+ be16_to_cpu(guid[0]),
+ be16_to_cpu(guid[1]),
+ be16_to_cpu(guid[2]),
+ be16_to_cpu(guid[3]));
}
static DEVICE_ATTR_RO(sys_image_guid);
@@ -1259,12 +1285,13 @@ static ssize_t node_guid_show(struct device *device,
struct device_attribute *attr, char *buf)
{
struct ib_device *dev = rdma_device_to_ibdev(device);
+ __be16 *node_guid = (__be16 *)&dev->node_guid;
- return sprintf(buf, "%04x:%04x:%04x:%04x\n",
- be16_to_cpu(((__be16 *) &dev->node_guid)[0]),
- be16_to_cpu(((__be16 *) &dev->node_guid)[1]),
- be16_to_cpu(((__be16 *) &dev->node_guid)[2]),
- be16_to_cpu(((__be16 *) &dev->node_guid)[3]));
+ return sysfs_emit(buf, "%04x:%04x:%04x:%04x\n",
+ be16_to_cpu(node_guid[0]),
+ be16_to_cpu(node_guid[1]),
+ be16_to_cpu(node_guid[2]),
+ be16_to_cpu(node_guid[3]));
}
static DEVICE_ATTR_RO(node_guid);
@@ -1273,7 +1300,7 @@ static ssize_t node_desc_show(struct device *device,
{
struct ib_device *dev = rdma_device_to_ibdev(device);
- return sprintf(buf, "%.64s\n", dev->node_desc);
+ return sysfs_emit(buf, "%.64s\n", dev->node_desc);
}
static ssize_t node_desc_store(struct device *device,
@@ -1300,10 +1327,11 @@ static ssize_t fw_ver_show(struct device *device, struct device_attribute *attr,
char *buf)
{
struct ib_device *dev = rdma_device_to_ibdev(device);
+ char version[IB_FW_VERSION_NAME_MAX] = {};
+
+ ib_get_device_fw_str(dev, version);
- ib_get_device_fw_str(dev, buf);
- strlcat(buf, "\n", IB_FW_VERSION_NAME_MAX);
- return strlen(buf);
+ return sysfs_emit(buf, "%s\n", version);
}
static DEVICE_ATTR_RO(fw_ver);
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index ffe2563ad345..7dab9a27a145 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -1825,7 +1825,7 @@ static ssize_t show_abi_version(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- return sprintf(buf, "%d\n", RDMA_USER_CM_ABI_VERSION);
+ return sysfs_emit(buf, "%d\n", RDMA_USER_CM_ABI_VERSION);
}
static DEVICE_ATTR(abi_version, S_IRUGO, show_abi_version, NULL);
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index e9fecbdf391b..7ca4112e3e8f 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -84,6 +84,15 @@ unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem,
dma_addr_t mask;
int i;
+ if (umem->is_odp) {
+ unsigned int page_size = BIT(to_ib_umem_odp(umem)->page_shift);
+
+ /* ODP must always be self consistent. */
+ if (!(pgsz_bitmap & page_size))
+ return 0;
+ return page_size;
+ }
+
/* rdma_for_each_block() has a bug if the page size is smaller than the
* page size used to build the umem. For now prevent smaller page sizes
* from being returned.
@@ -220,10 +229,10 @@ struct ib_umem *ib_umem_get(struct ib_device *device, unsigned long addr,
cur_base += ret * PAGE_SIZE;
npages -= ret;
- sg = __sg_alloc_table_from_pages(
- &umem->sg_head, page_list, ret, 0, ret << PAGE_SHIFT,
- dma_get_max_seg_size(device->dma_device), sg, npages,
- GFP_KERNEL);
+ sg = __sg_alloc_table_from_pages(&umem->sg_head, page_list, ret,
+ 0, ret << PAGE_SHIFT,
+ ib_dma_max_seg_size(device), sg, npages,
+ GFP_KERNEL);
umem->sg_nents = umem->sg_head.nents;
if (IS_ERR(sg)) {
unpin_user_pages_dirty_lock(page_list, ret, 0);
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index b0d0b522cc76..19104a675691 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -1191,7 +1191,7 @@ static ssize_t ibdev_show(struct device *dev, struct device_attribute *attr,
if (!port)
return -ENODEV;
- return sprintf(buf, "%s\n", dev_name(&port->ib_dev->dev));
+ return sysfs_emit(buf, "%s\n", dev_name(&port->ib_dev->dev));
}
static DEVICE_ATTR_RO(ibdev);
@@ -1203,7 +1203,7 @@ static ssize_t port_show(struct device *dev, struct device_attribute *attr,
if (!port)
return -ENODEV;
- return sprintf(buf, "%d\n", port->port_num);
+ return sysfs_emit(buf, "%d\n", port->port_num);
}
static DEVICE_ATTR_RO(port);
@@ -1222,7 +1222,7 @@ static char *umad_devnode(struct device *dev, umode_t *mode)
static ssize_t abi_version_show(struct class *class,
struct class_attribute *attr, char *buf)
{
- return sprintf(buf, "%d\n", IB_USER_MAD_ABI_VERSION);
+ return sysfs_emit(buf, "%d\n", IB_USER_MAD_ABI_VERSION);
}
static CLASS_ATTR_RO(abi_version);
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 418d133a8fb0..402d0b8bf58e 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -681,8 +681,7 @@ int ib_uverbs_dealloc_xrcd(struct ib_uobject *uobject, struct ib_xrcd *xrcd,
return 0;
ret = ib_dealloc_xrcd_user(xrcd, &attrs->driver_udata);
-
- if (ib_is_destroy_retryable(ret, why, uobject)) {
+ if (ret) {
atomic_inc(&xrcd->usecnt);
return ret;
}
@@ -690,7 +689,7 @@ int ib_uverbs_dealloc_xrcd(struct ib_uobject *uobject, struct ib_xrcd *xrcd,
if (inode)
xrcd_table_delete(dev, inode);
- return ret;
+ return 0;
}
static int ib_uverbs_reg_mr(struct uverbs_attr_bundle *attrs)
@@ -1401,8 +1400,8 @@ static int create_qp(struct uverbs_attr_bundle *attrs,
if (cmd->qp_type == IB_QPT_XRC_TGT)
qp = ib_create_qp(pd, &attr);
else
- qp = _ib_create_qp(device, pd, &attr, &attrs->driver_udata,
- obj);
+ qp = _ib_create_qp(device, pd, &attr, &attrs->driver_udata, obj,
+ NULL);
if (IS_ERR(qp)) {
ret = PTR_ERR(qp);
@@ -1906,8 +1905,7 @@ static int ib_uverbs_modify_qp(struct uverbs_attr_bundle *attrs)
if (ret)
return ret;
- if (cmd.base.attr_mask &
- ~((IB_USER_LEGACY_LAST_QP_ATTR_MASK << 1) - 1))
+ if (cmd.base.attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
return -EOPNOTSUPP;
return modify_qp(attrs, &cmd);
@@ -1929,10 +1927,7 @@ static int ib_uverbs_ex_modify_qp(struct uverbs_attr_bundle *attrs)
* Last bit is reserved for extending the attr_mask by
* using another field.
*/
- BUILD_BUG_ON(IB_USER_LAST_QP_ATTR_MASK == (1ULL << 31));
-
- if (cmd.base.attr_mask &
- ~((IB_USER_LAST_QP_ATTR_MASK << 1) - 1))
+ if (cmd.base.attr_mask & ~(IB_QP_ATTR_STANDARD_BITS | IB_QP_RATE_LIMIT))
return -EOPNOTSUPP;
ret = modify_qp(attrs, &cmd);
@@ -3693,13 +3688,13 @@ const struct uapi_definition uverbs_def_write_intf[] = {
ib_uverbs_create_ah,
UAPI_DEF_WRITE_UDATA_IO(
struct ib_uverbs_create_ah,
- struct ib_uverbs_create_ah_resp),
- UAPI_DEF_METHOD_NEEDS_FN(create_ah)),
+ struct ib_uverbs_create_ah_resp)),
DECLARE_UVERBS_WRITE(
IB_USER_VERBS_CMD_DESTROY_AH,
ib_uverbs_destroy_ah,
- UAPI_DEF_WRITE_I(struct ib_uverbs_destroy_ah),
- UAPI_DEF_METHOD_NEEDS_FN(destroy_ah))),
+ UAPI_DEF_WRITE_I(struct ib_uverbs_destroy_ah)),
+ UAPI_DEF_OBJ_NEEDS_FN(create_user_ah),
+ UAPI_DEF_OBJ_NEEDS_FN(destroy_ah)),
DECLARE_UVERBS_OBJECT(
UVERBS_OBJECT_COMP_CHANNEL,
@@ -3753,7 +3748,7 @@ const struct uapi_definition uverbs_def_write_intf[] = {
IB_USER_VERBS_EX_CMD_MODIFY_CQ,
ib_uverbs_ex_modify_cq,
UAPI_DEF_WRITE_I(struct ib_uverbs_ex_modify_cq),
- UAPI_DEF_METHOD_NEEDS_FN(create_cq))),
+ UAPI_DEF_METHOD_NEEDS_FN(modify_cq))),
DECLARE_UVERBS_OBJECT(
UVERBS_OBJECT_DEVICE,
@@ -3999,8 +3994,7 @@ const struct uapi_definition uverbs_def_write_intf[] = {
DECLARE_UVERBS_WRITE(
IB_USER_VERBS_CMD_CLOSE_XRCD,
ib_uverbs_close_xrcd,
- UAPI_DEF_WRITE_I(struct ib_uverbs_close_xrcd),
- UAPI_DEF_METHOD_NEEDS_FN(dealloc_xrcd)),
+ UAPI_DEF_WRITE_I(struct ib_uverbs_close_xrcd)),
DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_OPEN_QP,
ib_uverbs_open_qp,
UAPI_DEF_WRITE_UDATA_IO(
@@ -4010,8 +4004,9 @@ const struct uapi_definition uverbs_def_write_intf[] = {
ib_uverbs_open_xrcd,
UAPI_DEF_WRITE_UDATA_IO(
struct ib_uverbs_open_xrcd,
- struct ib_uverbs_open_xrcd_resp),
- UAPI_DEF_METHOD_NEEDS_FN(alloc_xrcd))),
+ struct ib_uverbs_open_xrcd_resp)),
+ UAPI_DEF_OBJ_NEEDS_FN(alloc_xrcd),
+ UAPI_DEF_OBJ_NEEDS_FN(dealloc_xrcd)),
{},
};
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 4bb7c642f80c..f173ecd102dc 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -1046,7 +1046,7 @@ static ssize_t ibdev_show(struct device *device, struct device_attribute *attr,
srcu_key = srcu_read_lock(&dev->disassociate_srcu);
ib_dev = srcu_dereference(dev->ib_dev, &dev->disassociate_srcu);
if (ib_dev)
- ret = sprintf(buf, "%s\n", dev_name(&ib_dev->dev));
+ ret = sysfs_emit(buf, "%s\n", dev_name(&ib_dev->dev));
srcu_read_unlock(&dev->disassociate_srcu, srcu_key);
return ret;
@@ -1065,7 +1065,7 @@ static ssize_t abi_version_show(struct device *device,
srcu_key = srcu_read_lock(&dev->disassociate_srcu);
ib_dev = srcu_dereference(dev->ib_dev, &dev->disassociate_srcu);
if (ib_dev)
- ret = sprintf(buf, "%u\n", ib_dev->ops.uverbs_abi_ver);
+ ret = sysfs_emit(buf, "%u\n", ib_dev->ops.uverbs_abi_ver);
srcu_read_unlock(&dev->disassociate_srcu, srcu_key);
return ret;
diff --git a/drivers/infiniband/core/uverbs_std_types.c b/drivers/infiniband/core/uverbs_std_types.c
index 0658101fca00..13776a66e2e4 100644
--- a/drivers/infiniband/core/uverbs_std_types.c
+++ b/drivers/infiniband/core/uverbs_std_types.c
@@ -88,7 +88,7 @@ static int uverbs_free_rwq_ind_tbl(struct ib_uobject *uobject,
return -EBUSY;
ret = rwq_ind_tbl->device->ops.destroy_rwq_ind_table(rwq_ind_tbl);
- if (ib_is_destroy_retryable(ret, why, uobject))
+ if (ret)
return ret;
for (i = 0; i < table_size; i++)
@@ -96,7 +96,7 @@ static int uverbs_free_rwq_ind_tbl(struct ib_uobject *uobject,
kfree(rwq_ind_tbl);
kfree(ind_tbl);
- return ret;
+ return 0;
}
static int uverbs_free_xrcd(struct ib_uobject *uobject,
@@ -108,9 +108,8 @@ static int uverbs_free_xrcd(struct ib_uobject *uobject,
container_of(uobject, struct ib_uxrcd_object, uobject);
int ret;
- ret = ib_destroy_usecnt(&uxrcd->refcnt, why, uobject);
- if (ret)
- return ret;
+ if (atomic_read(&uxrcd->refcnt))
+ return -EBUSY;
mutex_lock(&attrs->ufile->device->xrcd_tree_mutex);
ret = ib_uverbs_dealloc_xrcd(uobject, xrcd, why, attrs);
@@ -124,11 +123,9 @@ static int uverbs_free_pd(struct ib_uobject *uobject,
struct uverbs_attr_bundle *attrs)
{
struct ib_pd *pd = uobject->object;
- int ret;
- ret = ib_destroy_usecnt(&pd->usecnt, why, uobject);
- if (ret)
- return ret;
+ if (atomic_read(&pd->usecnt))
+ return -EBUSY;
return ib_dealloc_pd_user(pd, &attrs->driver_udata);
}
@@ -157,7 +154,7 @@ void ib_uverbs_free_event_queue(struct ib_uverbs_event_queue *event_queue)
spin_unlock_irq(&event_queue->lock);
}
-static int
+static void
uverbs_completion_event_file_destroy_uobj(struct ib_uobject *uobj,
enum rdma_remove_reason why)
{
@@ -166,7 +163,6 @@ uverbs_completion_event_file_destroy_uobj(struct ib_uobject *uobj,
uobj);
ib_uverbs_free_event_queue(&file->ev_queue);
- return 0;
}
int uverbs_destroy_def_handler(struct uverbs_attr_bundle *attrs)
diff --git a/drivers/infiniband/core/uverbs_std_types_async_fd.c b/drivers/infiniband/core/uverbs_std_types_async_fd.c
index 61899eaf1f91..cc24cfdf7aee 100644
--- a/drivers/infiniband/core/uverbs_std_types_async_fd.c
+++ b/drivers/infiniband/core/uverbs_std_types_async_fd.c
@@ -19,8 +19,8 @@ static int UVERBS_HANDLER(UVERBS_METHOD_ASYNC_EVENT_ALLOC)(
return 0;
}
-static int uverbs_async_event_destroy_uobj(struct ib_uobject *uobj,
- enum rdma_remove_reason why)
+static void uverbs_async_event_destroy_uobj(struct ib_uobject *uobj,
+ enum rdma_remove_reason why)
{
struct ib_uverbs_async_event_file *event_file =
container_of(uobj, struct ib_uverbs_async_event_file, uobj);
@@ -30,7 +30,6 @@ static int uverbs_async_event_destroy_uobj(struct ib_uobject *uobj,
if (why == RDMA_REMOVE_DRIVER_REMOVE)
ib_uverbs_async_handler(event_file, 0, IB_EVENT_DEVICE_FATAL,
NULL, NULL);
- return 0;
}
int uverbs_async_event_release(struct inode *inode, struct file *filp)
diff --git a/drivers/infiniband/core/uverbs_std_types_counters.c b/drivers/infiniband/core/uverbs_std_types_counters.c
index b3c6c066b601..999da9c79866 100644
--- a/drivers/infiniband/core/uverbs_std_types_counters.c
+++ b/drivers/infiniband/core/uverbs_std_types_counters.c
@@ -42,9 +42,8 @@ static int uverbs_free_counters(struct ib_uobject *uobject,
struct ib_counters *counters = uobject->object;
int ret;
- ret = ib_destroy_usecnt(&counters->usecnt, why, uobject);
- if (ret)
- return ret;
+ if (atomic_read(&counters->usecnt))
+ return -EBUSY;
ret = counters->device->ops.destroy_counters(counters);
if (ret)
diff --git a/drivers/infiniband/core/uverbs_std_types_cq.c b/drivers/infiniband/core/uverbs_std_types_cq.c
index 8dabd05988b2..370ad7c83f88 100644
--- a/drivers/infiniband/core/uverbs_std_types_cq.c
+++ b/drivers/infiniband/core/uverbs_std_types_cq.c
@@ -46,7 +46,7 @@ static int uverbs_free_cq(struct ib_uobject *uobject,
int ret;
ret = ib_destroy_cq_user(cq, &attrs->driver_udata);
- if (ib_is_destroy_retryable(ret, why, uobject))
+ if (ret)
return ret;
ib_uverbs_release_ucq(
@@ -55,7 +55,7 @@ static int uverbs_free_cq(struct ib_uobject *uobject,
ev_queue) :
NULL,
ucq);
- return ret;
+ return 0;
}
static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)(
diff --git a/drivers/infiniband/core/uverbs_std_types_dm.c b/drivers/infiniband/core/uverbs_std_types_dm.c
index d5a1de33c2c9..98c522cf86d6 100644
--- a/drivers/infiniband/core/uverbs_std_types_dm.c
+++ b/drivers/infiniband/core/uverbs_std_types_dm.c
@@ -39,11 +39,9 @@ static int uverbs_free_dm(struct ib_uobject *uobject,
struct uverbs_attr_bundle *attrs)
{
struct ib_dm *dm = uobject->object;
- int ret;
- ret = ib_destroy_usecnt(&dm->usecnt, why, uobject);
- if (ret)
- return ret;
+ if (atomic_read(&dm->usecnt))
+ return -EBUSY;
return dm->device->ops.dealloc_dm(dm, attrs);
}
diff --git a/drivers/infiniband/core/uverbs_std_types_flow_action.c b/drivers/infiniband/core/uverbs_std_types_flow_action.c
index 459cf165b231..d42ed7ff223e 100644
--- a/drivers/infiniband/core/uverbs_std_types_flow_action.c
+++ b/drivers/infiniband/core/uverbs_std_types_flow_action.c
@@ -39,11 +39,9 @@ static int uverbs_free_flow_action(struct ib_uobject *uobject,
struct uverbs_attr_bundle *attrs)
{
struct ib_flow_action *action = uobject->object;
- int ret;
- ret = ib_destroy_usecnt(&action->usecnt, why, uobject);
- if (ret)
- return ret;
+ if (atomic_read(&action->usecnt))
+ return -EBUSY;
return action->device->ops.destroy_flow_action(action);
}
diff --git a/drivers/infiniband/core/uverbs_std_types_mr.c b/drivers/infiniband/core/uverbs_std_types_mr.c
index 9b22bb553e8b..dc5856441729 100644
--- a/drivers/infiniband/core/uverbs_std_types_mr.c
+++ b/drivers/infiniband/core/uverbs_std_types_mr.c
@@ -33,6 +33,7 @@
#include "rdma_core.h"
#include "uverbs.h"
#include <rdma/uverbs_std_types.h>
+#include "restrack.h"
static int uverbs_free_mr(struct ib_uobject *uobject,
enum rdma_remove_reason why,
@@ -134,6 +135,9 @@ static int UVERBS_HANDLER(UVERBS_METHOD_DM_MR_REG)(
atomic_inc(&pd->usecnt);
atomic_inc(&dm->usecnt);
+ rdma_restrack_new(&mr->res, RDMA_RESTRACK_MR);
+ rdma_restrack_set_name(&mr->res, NULL);
+ rdma_restrack_add(&mr->res);
uobj->object = mr;
uverbs_finalize_uobj_create(attrs, UVERBS_ATTR_REG_DM_MR_HANDLE);
diff --git a/drivers/infiniband/core/uverbs_std_types_qp.c b/drivers/infiniband/core/uverbs_std_types_qp.c
index 3bf8dcdfe7eb..c00cfb5ed387 100644
--- a/drivers/infiniband/core/uverbs_std_types_qp.c
+++ b/drivers/infiniband/core/uverbs_std_types_qp.c
@@ -32,14 +32,14 @@ static int uverbs_free_qp(struct ib_uobject *uobject,
}
ret = ib_destroy_qp_user(qp, &attrs->driver_udata);
- if (ib_is_destroy_retryable(ret, why, uobject))
+ if (ret)
return ret;
if (uqp->uxrcd)
atomic_dec(&uqp->uxrcd->refcnt);
ib_uverbs_release_uevent(&uqp->uevent);
- return ret;
+ return 0;
}
static int check_creation_flags(enum ib_qp_type qp_type,
@@ -251,8 +251,8 @@ static int UVERBS_HANDLER(UVERBS_METHOD_QP_CREATE)(
if (attr.qp_type == IB_QPT_XRC_TGT)
qp = ib_create_qp(pd, &attr);
else
- qp = _ib_create_qp(device, pd, &attr, &attrs->driver_udata,
- obj);
+ qp = _ib_create_qp(device, pd, &attr, &attrs->driver_udata, obj,
+ NULL);
if (IS_ERR(qp)) {
ret = PTR_ERR(qp);
diff --git a/drivers/infiniband/core/uverbs_std_types_srq.c b/drivers/infiniband/core/uverbs_std_types_srq.c
index c0ecbba26bf4..e5513f828bdc 100644
--- a/drivers/infiniband/core/uverbs_std_types_srq.c
+++ b/drivers/infiniband/core/uverbs_std_types_srq.c
@@ -18,7 +18,7 @@ static int uverbs_free_srq(struct ib_uobject *uobject,
int ret;
ret = ib_destroy_srq_user(srq, &attrs->driver_udata);
- if (ib_is_destroy_retryable(ret, why, uobject))
+ if (ret)
return ret;
if (srq_type == IB_SRQT_XRC) {
@@ -30,7 +30,7 @@ static int uverbs_free_srq(struct ib_uobject *uobject,
}
ib_uverbs_release_uevent(uevent);
- return ret;
+ return 0;
}
static int UVERBS_HANDLER(UVERBS_METHOD_SRQ_CREATE)(
diff --git a/drivers/infiniband/core/uverbs_std_types_wq.c b/drivers/infiniband/core/uverbs_std_types_wq.c
index f2e6a625724a..7ded8339346f 100644
--- a/drivers/infiniband/core/uverbs_std_types_wq.c
+++ b/drivers/infiniband/core/uverbs_std_types_wq.c
@@ -17,11 +17,11 @@ static int uverbs_free_wq(struct ib_uobject *uobject,
int ret;
ret = ib_destroy_wq_user(wq, &attrs->driver_udata);
- if (ib_is_destroy_retryable(ret, why, uobject))
+ if (ret)
return ret;
ib_uverbs_release_uevent(&uwq->uevent);
- return ret;
+ return 0;
}
static int UVERBS_HANDLER(UVERBS_METHOD_WQ_CREATE)(
diff --git a/drivers/infiniband/core/uverbs_uapi.c b/drivers/infiniband/core/uverbs_uapi.c
index 5addc8fae3f3..62f5bcb712cf 100644
--- a/drivers/infiniband/core/uverbs_uapi.c
+++ b/drivers/infiniband/core/uverbs_uapi.c
@@ -79,10 +79,7 @@ static int uapi_create_write(struct uverbs_api *uapi,
method_elm->is_ex = def->write.is_ex;
method_elm->handler = def->func_write;
- if (def->write.is_ex)
- method_elm->disabled = !(ibdev->uverbs_ex_cmd_mask &
- BIT_ULL(def->write.command_num));
- else
+ if (!def->write.is_ex)
method_elm->disabled = !(ibdev->uverbs_cmd_mask &
BIT_ULL(def->write.command_num));
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 740f8454b6b4..5d4c7c263665 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -516,7 +516,7 @@ static struct ib_ah *_rdma_create_ah(struct ib_pd *pd,
might_sleep_if(flags & RDMA_CREATE_AH_SLEEPABLE);
- if (!device->ops.create_ah)
+ if (!udata && !device->ops.create_ah)
return ERR_PTR(-EOPNOTSUPP);
ah = rdma_zalloc_drv_obj_gfp(
@@ -533,7 +533,10 @@ static struct ib_ah *_rdma_create_ah(struct ib_pd *pd,
init_attr.flags = flags;
init_attr.xmit_slave = xmit_slave;
- ret = device->ops.create_ah(ah, &init_attr, udata);
+ if (udata)
+ ret = device->ops.create_user_ah(ah, &init_attr, udata);
+ else
+ ret = device->ops.create_ah(ah, &init_attr, NULL);
if (ret) {
kfree(ah);
return ERR_PTR(ret);
@@ -1188,7 +1191,7 @@ static struct ib_qp *create_xrc_qp_user(struct ib_qp *qp,
}
/**
- * ib_create_qp - Creates a kernel QP associated with the specified protection
+ * ib_create_named_qp - Creates a kernel QP associated with the specified protection
* domain.
* @pd: The protection domain associated with the QP.
* @qp_init_attr: A list of initial attributes required to create the
@@ -1197,8 +1200,9 @@ static struct ib_qp *create_xrc_qp_user(struct ib_qp *qp,
*
* NOTE: for user qp use ib_create_qp_user with valid udata!
*/
-struct ib_qp *ib_create_qp(struct ib_pd *pd,
- struct ib_qp_init_attr *qp_init_attr)
+struct ib_qp *ib_create_named_qp(struct ib_pd *pd,
+ struct ib_qp_init_attr *qp_init_attr,
+ const char *caller)
{
struct ib_device *device = pd ? pd->device : qp_init_attr->xrcd->device;
struct ib_qp *qp;
@@ -1223,7 +1227,7 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
if (qp_init_attr->cap.max_rdma_ctxs)
rdma_rw_init_qp(device, qp_init_attr);
- qp = _ib_create_qp(device, pd, qp_init_attr, NULL, NULL);
+ qp = _ib_create_qp(device, pd, qp_init_attr, NULL, NULL, caller);
if (IS_ERR(qp))
return qp;
@@ -1289,7 +1293,7 @@ err:
return ERR_PTR(ret);
}
-EXPORT_SYMBOL(ib_create_qp);
+EXPORT_SYMBOL(ib_create_named_qp);
static const struct {
int valid;
@@ -1698,8 +1702,10 @@ static int _ib_modify_qp(struct ib_qp *qp, struct ib_qp_attr *attr,
slave = rdma_lag_get_ah_roce_slave(qp->device,
&attr->ah_attr,
GFP_KERNEL);
- if (IS_ERR(slave))
+ if (IS_ERR(slave)) {
+ ret = PTR_ERR(slave);
goto out_av;
+ }
attr->xmit_slave = slave;
}
}
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index cf3db9628397..401bdc9e931e 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -1271,10 +1271,12 @@ static int bnxt_re_init_qp_attr(struct bnxt_re_qp *qp, struct bnxt_re_pd *pd,
}
qplqp->mtu = ib_mtu_enum_to_int(iboe_get_mtu(rdev->netdev->mtu));
qplqp->dpi = &rdev->dpi_privileged; /* Doorbell page */
- if (init_attr->create_flags)
+ if (init_attr->create_flags) {
ibdev_dbg(&rdev->ibdev,
"QP create flags 0x%x not supported",
init_attr->create_flags);
+ return -EOPNOTSUPP;
+ }
/* Setup CQs */
if (init_attr->send_cq) {
@@ -1657,8 +1659,8 @@ int bnxt_re_create_srq(struct ib_srq *ib_srq,
srq->qplib_srq.max_wqe = entries;
srq->qplib_srq.max_sge = srq_init_attr->attr.max_sge;
- srq->qplib_srq.wqe_size =
- bnxt_re_get_rwqe_size(srq->qplib_srq.max_sge);
+ /* 128 byte wqe size for SRQ . So use max sges */
+ srq->qplib_srq.wqe_size = bnxt_re_get_rwqe_size(dev_attr->max_srq_sges);
srq->qplib_srq.threshold = srq_init_attr->attr.srq_limit;
srq->srq_limit = srq_init_attr->attr.srq_limit;
srq->qplib_srq.eventq_hw_ring_id = rdev->nq[0].ring_id;
@@ -1829,6 +1831,9 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr,
unsigned int flags;
u8 nw_type;
+ if (qp_attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
qp->qplib_qp.modify_flags = 0;
if (qp_attr_mask & IB_QP_STATE) {
curr_qp_state = __to_ib_qp_state(qp->qplib_qp.cur_qp_state);
@@ -2078,6 +2083,7 @@ int bnxt_re_query_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr,
goto out;
}
qp_attr->qp_state = __to_ib_qp_state(qplib_qp->state);
+ qp_attr->cur_qp_state = __to_ib_qp_state(qplib_qp->cur_qp_state);
qp_attr->en_sqd_async_notify = qplib_qp->en_sqd_async_notify ? 1 : 0;
qp_attr->qp_access_flags = __to_ib_access_flags(qplib_qp->access);
qp_attr->pkey_index = qplib_qp->pkey_index;
@@ -2827,6 +2833,9 @@ int bnxt_re_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
struct bnxt_qplib_nq *nq = NULL;
unsigned int nq_alloc_cnt;
+ if (attr->flags)
+ return -EOPNOTSUPP;
+
/* Validate CQ fields */
if (cqe < 1 || cqe > dev_attr->max_cq_wqes) {
ibdev_err(&rdev->ibdev, "Failed to create CQ -max exceeded");
diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index 04621ba8fa76..fdb8c2478258 100644
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -608,7 +608,7 @@ static ssize_t hw_rev_show(struct device *device, struct device_attribute *attr,
struct bnxt_re_dev *rdev =
rdma_device_to_drv_device(device, struct bnxt_re_dev, ibdev);
- return scnprintf(buf, PAGE_SIZE, "0x%x\n", rdev->en_dev->pdev->vendor);
+ return sysfs_emit(buf, "0x%x\n", rdev->en_dev->pdev->vendor);
}
static DEVICE_ATTR_RO(hw_rev);
@@ -618,7 +618,7 @@ static ssize_t hca_type_show(struct device *device,
struct bnxt_re_dev *rdev =
rdma_device_to_drv_device(device, struct bnxt_re_dev, ibdev);
- return scnprintf(buf, PAGE_SIZE, "%s\n", rdev->ibdev.node_desc);
+ return sysfs_emit(buf, "%s\n", rdev->ibdev.node_desc);
}
static DEVICE_ATTR_RO(hca_type);
@@ -646,6 +646,7 @@ static const struct ib_device_ops bnxt_re_dev_ops = {
.create_cq = bnxt_re_create_cq,
.create_qp = bnxt_re_create_qp,
.create_srq = bnxt_re_create_srq,
+ .create_user_ah = bnxt_re_create_ah,
.dealloc_driver = bnxt_re_dealloc_driver,
.dealloc_pd = bnxt_re_dealloc_pd,
.dealloc_ucontext = bnxt_re_dealloc_ucontext,
@@ -701,35 +702,6 @@ static int bnxt_re_register_ib(struct bnxt_re_dev *rdev)
ibdev->dev.parent = &rdev->en_dev->pdev->dev;
ibdev->local_dma_lkey = BNXT_QPLIB_RSVD_LKEY;
- /* User space */
- ibdev->uverbs_cmd_mask =
- (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_REG_MR) |
- (1ull << IB_USER_VERBS_CMD_REREG_MR) |
- (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
- (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_AH) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_AH) |
- (1ull << IB_USER_VERBS_CMD_QUERY_AH) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_AH);
- /* POLL_CQ and REQ_NOTIFY_CQ is directly handled in libbnxt_re */
-
-
rdma_set_device_sysfs_group(ibdev, &bnxt_re_dev_attr_group);
ib_set_device_ops(ibdev, &bnxt_re_dev_ops);
ret = ib_device_set_netdev(&rdev->ibdev, rdev->netdev, 1);
diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index 28349ed50885..44c2416588d4 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -1006,6 +1006,9 @@ int c4iw_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
pr_debug("ib_dev %p entries %d\n", ibdev, entries);
if (attr->flags)
+ return -EOPNOTSUPP;
+
+ if (entries < 1 || entries > ibdev->attrs.max_cqe)
return -EINVAL;
if (vector >= rhp->rdev.lldi.nciq)
diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
index a27899402f59..f85477f3b037 100644
--- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
+++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
@@ -983,9 +983,7 @@ struct ib_mr *c4iw_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
u32 max_num_sg);
int c4iw_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
unsigned int *sg_offset);
-int c4iw_dealloc_mw(struct ib_mw *mw);
void c4iw_dealloc(struct uld_ctx *ctx);
-int c4iw_alloc_mw(struct ib_mw *mw, struct ib_udata *udata);
struct ib_mr *c4iw_reg_user_mr(struct ib_pd *pd, u64 start,
u64 length, u64 virt, int acc,
struct ib_udata *udata);
diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 42234df896fb..a2c71a1d93d5 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -365,22 +365,6 @@ static int dereg_mem(struct c4iw_rdev *rdev, u32 stag, u32 pbl_size,
pbl_size, pbl_addr, skb, wr_waitp);
}
-static int allocate_window(struct c4iw_rdev *rdev, u32 *stag, u32 pdid,
- struct c4iw_wr_wait *wr_waitp)
-{
- *stag = T4_STAG_UNSET;
- return write_tpt_entry(rdev, 0, stag, 0, pdid, FW_RI_STAG_MW, 0, 0, 0,
- 0UL, 0, 0, 0, 0, NULL, wr_waitp);
-}
-
-static int deallocate_window(struct c4iw_rdev *rdev, u32 stag,
- struct sk_buff *skb,
- struct c4iw_wr_wait *wr_waitp)
-{
- return write_tpt_entry(rdev, 1, &stag, 0, 0, 0, 0, 0, 0, 0UL, 0, 0, 0,
- 0, skb, wr_waitp);
-}
-
static int allocate_stag(struct c4iw_rdev *rdev, u32 *stag, u32 pdid,
u32 pbl_size, u32 pbl_addr,
struct c4iw_wr_wait *wr_waitp)
@@ -611,74 +595,6 @@ err_free_mhp:
return ERR_PTR(err);
}
-int c4iw_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata)
-{
- struct c4iw_mw *mhp = to_c4iw_mw(ibmw);
- struct c4iw_dev *rhp;
- struct c4iw_pd *php;
- u32 mmid;
- u32 stag = 0;
- int ret;
-
- if (ibmw->type != IB_MW_TYPE_1)
- return -EINVAL;
-
- php = to_c4iw_pd(ibmw->pd);
- rhp = php->rhp;
- mhp->wr_waitp = c4iw_alloc_wr_wait(GFP_KERNEL);
- if (!mhp->wr_waitp)
- return -ENOMEM;
-
- mhp->dereg_skb = alloc_skb(SGE_MAX_WR_LEN, GFP_KERNEL);
- if (!mhp->dereg_skb) {
- ret = -ENOMEM;
- goto free_wr_wait;
- }
-
- ret = allocate_window(&rhp->rdev, &stag, php->pdid, mhp->wr_waitp);
- if (ret)
- goto free_skb;
-
- mhp->rhp = rhp;
- mhp->attr.pdid = php->pdid;
- mhp->attr.type = FW_RI_STAG_MW;
- mhp->attr.stag = stag;
- mmid = (stag) >> 8;
- ibmw->rkey = stag;
- if (xa_insert_irq(&rhp->mrs, mmid, mhp, GFP_KERNEL)) {
- ret = -ENOMEM;
- goto dealloc_win;
- }
- pr_debug("mmid 0x%x mhp %p stag 0x%x\n", mmid, mhp, stag);
- return 0;
-
-dealloc_win:
- deallocate_window(&rhp->rdev, mhp->attr.stag, mhp->dereg_skb,
- mhp->wr_waitp);
-free_skb:
- kfree_skb(mhp->dereg_skb);
-free_wr_wait:
- c4iw_put_wr_wait(mhp->wr_waitp);
- return ret;
-}
-
-int c4iw_dealloc_mw(struct ib_mw *mw)
-{
- struct c4iw_dev *rhp;
- struct c4iw_mw *mhp;
- u32 mmid;
-
- mhp = to_c4iw_mw(mw);
- rhp = mhp->rhp;
- mmid = (mw->rkey) >> 8;
- xa_erase_irq(&rhp->mrs, mmid);
- deallocate_window(&rhp->rdev, mhp->attr.stag, mhp->dereg_skb,
- mhp->wr_waitp);
- kfree_skb(mhp->dereg_skb);
- c4iw_put_wr_wait(mhp->wr_waitp);
- return 0;
-}
-
struct ib_mr *c4iw_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
u32 max_num_sg)
{
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
index 8138c57a1e43..1f1f856f8715 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -322,8 +322,9 @@ static ssize_t hw_rev_show(struct device *dev,
rdma_device_to_drv_device(dev, struct c4iw_dev, ibdev);
pr_debug("dev 0x%p\n", dev);
- return sprintf(buf, "%d\n",
- CHELSIO_CHIP_RELEASE(c4iw_dev->rdev.lldi.adapter_type));
+ return sysfs_emit(
+ buf, "%d\n",
+ CHELSIO_CHIP_RELEASE(c4iw_dev->rdev.lldi.adapter_type));
}
static DEVICE_ATTR_RO(hw_rev);
@@ -337,7 +338,7 @@ static ssize_t hca_type_show(struct device *dev,
pr_debug("dev 0x%p\n", dev);
lldev->ethtool_ops->get_drvinfo(lldev, &info);
- return sprintf(buf, "%s\n", info.driver);
+ return sysfs_emit(buf, "%s\n", info.driver);
}
static DEVICE_ATTR_RO(hca_type);
@@ -348,8 +349,8 @@ static ssize_t board_id_show(struct device *dev, struct device_attribute *attr,
rdma_device_to_drv_device(dev, struct c4iw_dev, ibdev);
pr_debug("dev 0x%p\n", dev);
- return sprintf(buf, "%x.%x\n", c4iw_dev->rdev.lldi.pdev->vendor,
- c4iw_dev->rdev.lldi.pdev->device);
+ return sysfs_emit(buf, "%x.%x\n", c4iw_dev->rdev.lldi.pdev->vendor,
+ c4iw_dev->rdev.lldi.pdev->device);
}
static DEVICE_ATTR_RO(board_id);
@@ -456,13 +457,11 @@ static const struct ib_device_ops c4iw_dev_ops = {
.alloc_hw_stats = c4iw_alloc_stats,
.alloc_mr = c4iw_alloc_mr,
- .alloc_mw = c4iw_alloc_mw,
.alloc_pd = c4iw_allocate_pd,
.alloc_ucontext = c4iw_alloc_ucontext,
.create_cq = c4iw_create_cq,
.create_qp = c4iw_create_qp,
.create_srq = c4iw_create_srq,
- .dealloc_mw = c4iw_dealloc_mw,
.dealloc_pd = c4iw_deallocate_pd,
.dealloc_ucontext = c4iw_dealloc_ucontext,
.dereg_mr = c4iw_dereg_mr,
@@ -533,28 +532,6 @@ void c4iw_register_device(struct work_struct *work)
if (fastreg_support)
dev->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
dev->ibdev.local_dma_lkey = 0;
- dev->ibdev.uverbs_cmd_mask =
- (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_REG_MR) |
- (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
- (1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
- (1ull << IB_USER_VERBS_CMD_POLL_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
- (1ull << IB_USER_VERBS_CMD_POST_SEND) |
- (1ull << IB_USER_VERBS_CMD_POST_RECV) |
- (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ);
dev->ibdev.node_type = RDMA_NODE_RNIC;
BUILD_BUG_ON(sizeof(C4IW_NODE_DESC) > IB_DEVICE_NODE_DESC_MAX);
memcpy(dev->ibdev.node_desc, C4IW_NODE_DESC, sizeof(C4IW_NODE_DESC));
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index f20379e4e2ec..a7401398cb34 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -2126,7 +2126,7 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs,
pr_debug("ib_pd %p\n", pd);
- if (attrs->qp_type != IB_QPT_RC)
+ if (attrs->qp_type != IB_QPT_RC || attrs->create_flags)
return ERR_PTR(-EOPNOTSUPP);
php = to_c4iw_pd(pd);
@@ -2374,6 +2374,9 @@ int c4iw_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
pr_debug("ib_qp %p\n", ibqp);
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
/* iwarp does not support the RTR state */
if ((attr_mask & IB_QP_STATE) && (attr->qp_state == IB_QPS_RTR))
attr_mask &= ~IB_QP_STATE;
@@ -2680,6 +2683,9 @@ int c4iw_create_srq(struct ib_srq *ib_srq, struct ib_srq_init_attr *attrs,
int ret;
int wr_len;
+ if (attrs->srq_type != IB_SRQT_BASIC)
+ return -EOPNOTSUPP;
+
pr_debug("%s ib_pd %p\n", __func__, pd);
php = to_c4iw_pd(pd);
diff --git a/drivers/infiniband/hw/efa/efa_main.c b/drivers/infiniband/hw/efa/efa_main.c
index 6faed3a81e08..cb2f2c647ee5 100644
--- a/drivers/infiniband/hw/efa/efa_main.c
+++ b/drivers/infiniband/hw/efa/efa_main.c
@@ -245,9 +245,9 @@ static const struct ib_device_ops efa_dev_ops = {
.alloc_hw_stats = efa_alloc_hw_stats,
.alloc_pd = efa_alloc_pd,
.alloc_ucontext = efa_alloc_ucontext,
- .create_ah = efa_create_ah,
.create_cq = efa_create_cq,
.create_qp = efa_create_qp,
+ .create_user_ah = efa_create_ah,
.dealloc_pd = efa_dealloc_pd,
.dealloc_ucontext = efa_dealloc_ucontext,
.dereg_mr = efa_dereg_mr,
@@ -308,27 +308,6 @@ static int efa_ib_device_add(struct efa_dev *dev)
dev->ibdev.num_comp_vectors = 1;
dev->ibdev.dev.parent = &pdev->dev;
- dev->ibdev.uverbs_cmd_mask =
- (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_REG_MR) |
- (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
- (1ull << IB_USER_VERBS_CMD_CREATE_AH) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_AH);
-
- dev->ibdev.uverbs_ex_cmd_mask =
- (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE);
-
ib_set_device_ops(&dev->ibdev, &efa_dev_ops);
err = ib_register_device(&dev->ibdev, "efa_%d", &pdev->dev);
diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c
index 191e0843f090..2fe5708b2d9d 100644
--- a/drivers/infiniband/hw/efa/efa_verbs.c
+++ b/drivers/infiniband/hw/efa/efa_verbs.c
@@ -917,6 +917,9 @@ int efa_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
enum ib_qp_state new_state;
int err;
+ if (qp_attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
if (udata->inlen &&
!ib_is_udata_cleared(udata, 0, udata->inlen)) {
ibdev_dbg(&dev->ibdev,
@@ -1029,6 +1032,9 @@ int efa_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
ibdev_dbg(ibdev, "create_cq entries %d\n", entries);
+ if (attr->flags)
+ return -EOPNOTSUPP;
+
if (entries < 1 || entries > dev->dev_attr.max_cq_depth) {
ibdev_dbg(ibdev,
"cq: requested entries[%u] non-positive or greater than max[%u]\n",
diff --git a/drivers/infiniband/hw/hfi1/qp.c b/drivers/infiniband/hw/hfi1/qp.c
index 356518e17fa6..681bb4e918c9 100644
--- a/drivers/infiniband/hw/hfi1/qp.c
+++ b/drivers/infiniband/hw/hfi1/qp.c
@@ -339,6 +339,7 @@ int hfi1_setup_wqe(struct rvt_qp *qp, struct rvt_swqe *wqe, bool *call_send)
return -EINVAL;
if (ibp->sl_to_sc[rdma_ah_get_sl(&ah->attr)] == 0xf)
return -EINVAL;
+ break;
default:
break;
}
diff --git a/drivers/infiniband/hw/hfi1/sysfs.c b/drivers/infiniband/hw/hfi1/sysfs.c
index 074ec71772d2..5650130e68d4 100644
--- a/drivers/infiniband/hw/hfi1/sysfs.c
+++ b/drivers/infiniband/hw/hfi1/sysfs.c
@@ -151,7 +151,7 @@ struct hfi1_port_attr {
static ssize_t cc_prescan_show(struct hfi1_pportdata *ppd, char *buf)
{
- return sprintf(buf, "%s\n", ppd->cc_prescan ? "on" : "off");
+ return sysfs_emit(buf, "%s\n", ppd->cc_prescan ? "on" : "off");
}
static ssize_t cc_prescan_store(struct hfi1_pportdata *ppd, const char *buf,
@@ -296,7 +296,7 @@ static ssize_t sc2vl_attr_show(struct kobject *kobj, struct attribute *attr,
container_of(kobj, struct hfi1_pportdata, sc2vl_kobj);
struct hfi1_devdata *dd = ppd->dd;
- return sprintf(buf, "%u\n", *((u8 *)dd->sc2vl + sattr->sc));
+ return sysfs_emit(buf, "%u\n", *((u8 *)dd->sc2vl + sattr->sc));
}
static const struct sysfs_ops hfi1_sc2vl_ops = {
@@ -401,7 +401,7 @@ static ssize_t sl2sc_attr_show(struct kobject *kobj, struct attribute *attr,
container_of(kobj, struct hfi1_pportdata, sl2sc_kobj);
struct hfi1_ibport *ibp = &ppd->ibport_data;
- return sprintf(buf, "%u\n", ibp->sl_to_sc[sattr->sl]);
+ return sysfs_emit(buf, "%u\n", ibp->sl_to_sc[sattr->sl]);
}
static const struct sysfs_ops hfi1_sl2sc_ops = {
@@ -475,7 +475,7 @@ static ssize_t vl2mtu_attr_show(struct kobject *kobj, struct attribute *attr,
container_of(kobj, struct hfi1_pportdata, vl2mtu_kobj);
struct hfi1_devdata *dd = ppd->dd;
- return sprintf(buf, "%u\n", dd->vld[vlattr->vl].mtu);
+ return sysfs_emit(buf, "%u\n", dd->vld[vlattr->vl].mtu);
}
static const struct sysfs_ops hfi1_vl2mtu_ops = {
@@ -500,7 +500,7 @@ static ssize_t hw_rev_show(struct device *device, struct device_attribute *attr,
struct hfi1_ibdev *dev =
rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev);
- return sprintf(buf, "%x\n", dd_from_dev(dev)->minrev);
+ return sysfs_emit(buf, "%x\n", dd_from_dev(dev)->minrev);
}
static DEVICE_ATTR_RO(hw_rev);
@@ -510,13 +510,11 @@ static ssize_t board_id_show(struct device *device,
struct hfi1_ibdev *dev =
rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev);
struct hfi1_devdata *dd = dd_from_dev(dev);
- int ret;
if (!dd->boardname)
- ret = -EINVAL;
- else
- ret = scnprintf(buf, PAGE_SIZE, "%s\n", dd->boardname);
- return ret;
+ return -EINVAL;
+
+ return sysfs_emit(buf, "%s\n", dd->boardname);
}
static DEVICE_ATTR_RO(board_id);
@@ -528,7 +526,7 @@ static ssize_t boardversion_show(struct device *device,
struct hfi1_devdata *dd = dd_from_dev(dev);
/* The string printed here is already newline-terminated. */
- return scnprintf(buf, PAGE_SIZE, "%s", dd->boardversion);
+ return sysfs_emit(buf, "%s", dd->boardversion);
}
static DEVICE_ATTR_RO(boardversion);
@@ -545,9 +543,9 @@ static ssize_t nctxts_show(struct device *device,
* and a receive context, so returning the smaller of the two counts
* give a more accurate picture of total contexts available.
*/
- return scnprintf(buf, PAGE_SIZE, "%u\n",
- min(dd->num_user_contexts,
- (u32)dd->sc_sizes[SC_USER].count));
+ return sysfs_emit(buf, "%u\n",
+ min(dd->num_user_contexts,
+ (u32)dd->sc_sizes[SC_USER].count));
}
static DEVICE_ATTR_RO(nctxts);
@@ -559,7 +557,7 @@ static ssize_t nfreectxts_show(struct device *device,
struct hfi1_devdata *dd = dd_from_dev(dev);
/* Return the number of free user ports (contexts) available. */
- return scnprintf(buf, PAGE_SIZE, "%u\n", dd->freectxts);
+ return sysfs_emit(buf, "%u\n", dd->freectxts);
}
static DEVICE_ATTR_RO(nfreectxts);
@@ -570,7 +568,8 @@ static ssize_t serial_show(struct device *device,
rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev);
struct hfi1_devdata *dd = dd_from_dev(dev);
- return scnprintf(buf, PAGE_SIZE, "%s", dd->serial);
+ /* dd->serial is already newline terminated in chip.c */
+ return sysfs_emit(buf, "%s", dd->serial);
}
static DEVICE_ATTR_RO(serial);
@@ -598,9 +597,8 @@ static DEVICE_ATTR_WO(chip_reset);
* Convert the reported temperature from an integer (reported in
* units of 0.25C) to a floating point number.
*/
-#define temp2str(temp, buf, size, idx) \
- scnprintf((buf) + (idx), (size) - (idx), "%u.%02u ", \
- ((temp) >> 2), ((temp) & 0x3) * 25)
+#define temp_d(t) ((t) >> 2)
+#define temp_f(t) (((t)&0x3) * 25u)
/*
* Dump tempsense values, in decimal, to ease shell-scripts.
@@ -615,19 +613,17 @@ static ssize_t tempsense_show(struct device *device,
int ret;
ret = hfi1_tempsense_rd(dd, &temp);
- if (!ret) {
- int idx = 0;
-
- idx += temp2str(temp.curr, buf, PAGE_SIZE, idx);
- idx += temp2str(temp.lo_lim, buf, PAGE_SIZE, idx);
- idx += temp2str(temp.hi_lim, buf, PAGE_SIZE, idx);
- idx += temp2str(temp.crit_lim, buf, PAGE_SIZE, idx);
- idx += scnprintf(buf + idx, PAGE_SIZE - idx,
- "%u %u %u\n", temp.triggers & 0x1,
- temp.triggers & 0x2, temp.triggers & 0x4);
- ret = idx;
- }
- return ret;
+ if (ret)
+ return ret;
+
+ return sysfs_emit(buf, "%u.%02u %u.%02u %u.%02u %u.%02u %u %u %u\n",
+ temp_d(temp.curr), temp_f(temp.curr),
+ temp_d(temp.lo_lim), temp_f(temp.lo_lim),
+ temp_d(temp.hi_lim), temp_f(temp.hi_lim),
+ temp_d(temp.crit_lim), temp_f(temp.crit_lim),
+ temp.triggers & 0x1,
+ temp.triggers & 0x2,
+ temp.triggers & 0x4);
}
static DEVICE_ATTR_RO(tempsense);
@@ -817,7 +813,7 @@ static ssize_t sde_show_vl(struct sdma_engine *sde, char *buf)
if (vl < 0)
return vl;
- return snprintf(buf, PAGE_SIZE, "%d\n", vl);
+ return sysfs_emit(buf, "%d\n", vl);
}
static SDE_ATTR(cpu_list, S_IWUSR | S_IRUGO,
diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.c b/drivers/infiniband/hw/hfi1/tid_rdma.c
index 73d197e21730..92aa2a9b3b5a 100644
--- a/drivers/infiniband/hw/hfi1/tid_rdma.c
+++ b/drivers/infiniband/hw/hfi1/tid_rdma.c
@@ -2826,6 +2826,7 @@ static bool handle_read_kdeth_eflags(struct hfi1_ctxtdata *rcd,
default:
break;
}
+ break;
default:
break;
}
@@ -3005,6 +3006,7 @@ bool hfi1_handle_kdeth_eflags(struct hfi1_ctxtdata *rcd,
default:
break;
}
+ break;
default:
break;
}
@@ -3221,6 +3223,7 @@ bool hfi1_tid_rdma_wqe_interlock(struct rvt_qp *qp, struct rvt_swqe *wqe)
req = wqe_to_tid_req(prev);
if (req->ack_seg != req->total_segs)
goto interlock;
+ break;
default:
break;
}
@@ -3239,9 +3242,11 @@ bool hfi1_tid_rdma_wqe_interlock(struct rvt_qp *qp, struct rvt_swqe *wqe)
req = wqe_to_tid_req(prev);
if (req->ack_seg != req->total_segs)
goto interlock;
+ break;
default:
break;
}
+ break;
default:
break;
}
diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c
index 75b06db60f7c..b09ef3335e96 100644
--- a/drivers/infiniband/hw/hns/hns_roce_ah.c
+++ b/drivers/infiniband/hw/hns/hns_roce_ah.c
@@ -31,13 +31,13 @@
*/
#include <linux/platform_device.h>
+#include <linux/pci.h>
#include <rdma/ib_addr.h>
#include <rdma/ib_cache.h>
#include "hns_roce_device.h"
-#define HNS_ROCE_PORT_NUM_SHIFT 24
-#define HNS_ROCE_VLAN_SL_BIT_MASK 7
-#define HNS_ROCE_VLAN_SL_SHIFT 13
+#define VLAN_SL_MASK 7
+#define VLAN_SL_SHIFT 13
static inline u16 get_ah_udp_sport(const struct rdma_ah_attr *ah_attr)
{
@@ -58,47 +58,47 @@ static inline u16 get_ah_udp_sport(const struct rdma_ah_attr *ah_attr)
int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
struct ib_udata *udata)
{
- struct hns_roce_dev *hr_dev = to_hr_dev(ibah->device);
- const struct ib_gid_attr *gid_attr;
- struct device *dev = hr_dev->dev;
- struct hns_roce_ah *ah = to_hr_ah(ibah);
struct rdma_ah_attr *ah_attr = init_attr->ah_attr;
const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
- u16 vlan_id = 0xffff;
- bool vlan_en = false;
- int ret;
-
- gid_attr = ah_attr->grh.sgid_attr;
- ret = rdma_read_gid_l2_fields(gid_attr, &vlan_id, NULL);
- if (ret)
- return ret;
-
- /* Get mac address */
- memcpy(ah->av.mac, ah_attr->roce.dmac, ETH_ALEN);
+ struct hns_roce_dev *hr_dev = to_hr_dev(ibah->device);
+ struct hns_roce_ah *ah = to_hr_ah(ibah);
+ int ret = 0;
- if (vlan_id < VLAN_N_VID) {
- vlan_en = true;
- vlan_id |= (rdma_ah_get_sl(ah_attr) &
- HNS_ROCE_VLAN_SL_BIT_MASK) <<
- HNS_ROCE_VLAN_SL_SHIFT;
- }
+ if (hr_dev->pci_dev->revision <= PCI_REVISION_ID_HIP08 && udata)
+ return -EOPNOTSUPP;
ah->av.port = rdma_ah_get_port_num(ah_attr);
ah->av.gid_index = grh->sgid_index;
- ah->av.vlan_id = vlan_id;
- ah->av.vlan_en = vlan_en;
- dev_dbg(dev, "gid_index = 0x%x,vlan_id = 0x%x\n", ah->av.gid_index,
- ah->av.vlan_id);
if (rdma_ah_get_static_rate(ah_attr))
ah->av.stat_rate = IB_RATE_10_GBPS;
- memcpy(ah->av.dgid, grh->dgid.raw, HNS_ROCE_GID_SIZE);
- ah->av.sl = rdma_ah_get_sl(ah_attr);
+ ah->av.hop_limit = grh->hop_limit;
ah->av.flowlabel = grh->flow_label;
ah->av.udp_sport = get_ah_udp_sport(ah_attr);
+ ah->av.sl = rdma_ah_get_sl(ah_attr);
+ ah->av.tclass = grh->traffic_class;
- return 0;
+ memcpy(ah->av.dgid, grh->dgid.raw, HNS_ROCE_GID_SIZE);
+ memcpy(ah->av.mac, ah_attr->roce.dmac, ETH_ALEN);
+
+ /* HIP08 needs to record vlan info in Address Vector */
+ if (hr_dev->pci_dev->revision <= PCI_REVISION_ID_HIP08) {
+ ah->av.vlan_en = 0;
+
+ ret = rdma_read_gid_l2_fields(ah_attr->grh.sgid_attr,
+ &ah->av.vlan_id, NULL);
+ if (ret)
+ return ret;
+
+ if (ah->av.vlan_id < VLAN_N_VID) {
+ ah->av.vlan_en = 1;
+ ah->av.vlan_id |= (rdma_ah_get_sl(ah_attr) & VLAN_SL_MASK) <<
+ VLAN_SL_SHIFT;
+ }
+ }
+
+ return ret;
}
int hns_roce_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr)
diff --git a/drivers/infiniband/hw/hns/hns_roce_alloc.c b/drivers/infiniband/hw/hns/hns_roce_alloc.c
index a6b23dec1adc..dad2b9ba7b7a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_alloc.c
+++ b/drivers/infiniband/hw/hns/hns_roce_alloc.c
@@ -159,76 +159,96 @@ void hns_roce_bitmap_cleanup(struct hns_roce_bitmap *bitmap)
void hns_roce_buf_free(struct hns_roce_dev *hr_dev, struct hns_roce_buf *buf)
{
- struct device *dev = hr_dev->dev;
- u32 size = buf->size;
- int i;
+ struct hns_roce_buf_list *trunks;
+ u32 i;
- if (size == 0)
+ if (!buf)
return;
- buf->size = 0;
+ trunks = buf->trunk_list;
+ if (trunks) {
+ buf->trunk_list = NULL;
+ for (i = 0; i < buf->ntrunks; i++)
+ dma_free_coherent(hr_dev->dev, 1 << buf->trunk_shift,
+ trunks[i].buf, trunks[i].map);
- if (hns_roce_buf_is_direct(buf)) {
- dma_free_coherent(dev, size, buf->direct.buf, buf->direct.map);
- } else {
- for (i = 0; i < buf->npages; ++i)
- if (buf->page_list[i].buf)
- dma_free_coherent(dev, 1 << buf->page_shift,
- buf->page_list[i].buf,
- buf->page_list[i].map);
- kfree(buf->page_list);
- buf->page_list = NULL;
+ kfree(trunks);
}
+
+ kfree(buf);
}
-int hns_roce_buf_alloc(struct hns_roce_dev *hr_dev, u32 size, u32 max_direct,
- struct hns_roce_buf *buf, u32 page_shift)
+/*
+ * Allocate the dma buffer for storing ROCEE table entries
+ *
+ * @size: required size
+ * @page_shift: the unit size in a continuous dma address range
+ * @flags: HNS_ROCE_BUF_ flags to control the allocation flow.
+ */
+struct hns_roce_buf *hns_roce_buf_alloc(struct hns_roce_dev *hr_dev, u32 size,
+ u32 page_shift, u32 flags)
{
- struct hns_roce_buf_list *buf_list;
- struct device *dev = hr_dev->dev;
- u32 page_size;
- int i;
+ u32 trunk_size, page_size, alloced_size;
+ struct hns_roce_buf_list *trunks;
+ struct hns_roce_buf *buf;
+ gfp_t gfp_flags;
+ u32 ntrunk, i;
/* The minimum shift of the page accessed by hw is HNS_HW_PAGE_SHIFT */
- buf->page_shift = max_t(int, HNS_HW_PAGE_SHIFT, page_shift);
+ if (WARN_ON(page_shift < HNS_HW_PAGE_SHIFT))
+ return ERR_PTR(-EINVAL);
+
+ gfp_flags = (flags & HNS_ROCE_BUF_NOSLEEP) ? GFP_ATOMIC : GFP_KERNEL;
+ buf = kzalloc(sizeof(*buf), gfp_flags);
+ if (!buf)
+ return ERR_PTR(-ENOMEM);
+ buf->page_shift = page_shift;
page_size = 1 << buf->page_shift;
- buf->npages = DIV_ROUND_UP(size, page_size);
-
- /* required size is not bigger than one trunk size */
- if (size <= max_direct) {
- buf->page_list = NULL;
- buf->direct.buf = dma_alloc_coherent(dev, size,
- &buf->direct.map,
- GFP_KERNEL);
- if (!buf->direct.buf)
- return -ENOMEM;
+
+ /* Calc the trunk size and num by required size and page_shift */
+ if (flags & HNS_ROCE_BUF_DIRECT) {
+ buf->trunk_shift = ilog2(ALIGN(size, PAGE_SIZE));
+ ntrunk = 1;
} else {
- buf_list = kcalloc(buf->npages, sizeof(*buf_list), GFP_KERNEL);
- if (!buf_list)
- return -ENOMEM;
-
- for (i = 0; i < buf->npages; i++) {
- buf_list[i].buf = dma_alloc_coherent(dev, page_size,
- &buf_list[i].map,
- GFP_KERNEL);
- if (!buf_list[i].buf)
- break;
- }
+ buf->trunk_shift = ilog2(ALIGN(page_size, PAGE_SIZE));
+ ntrunk = DIV_ROUND_UP(size, 1 << buf->trunk_shift);
+ }
- if (i != buf->npages && i > 0) {
- while (i-- > 0)
- dma_free_coherent(dev, page_size,
- buf_list[i].buf,
- buf_list[i].map);
- kfree(buf_list);
- return -ENOMEM;
- }
- buf->page_list = buf_list;
+ trunks = kcalloc(ntrunk, sizeof(*trunks), gfp_flags);
+ if (!trunks) {
+ kfree(buf);
+ return ERR_PTR(-ENOMEM);
}
- buf->size = size;
- return 0;
+ trunk_size = 1 << buf->trunk_shift;
+ alloced_size = 0;
+ for (i = 0; i < ntrunk; i++) {
+ trunks[i].buf = dma_alloc_coherent(hr_dev->dev, trunk_size,
+ &trunks[i].map, gfp_flags);
+ if (!trunks[i].buf)
+ break;
+
+ alloced_size += trunk_size;
+ }
+
+ buf->ntrunks = i;
+
+ /* In nofail mode, it's only failed when the alloced size is 0 */
+ if ((flags & HNS_ROCE_BUF_NOFAIL) ? i == 0 : i != ntrunk) {
+ for (i = 0; i < buf->ntrunks; i++)
+ dma_free_coherent(hr_dev->dev, trunk_size,
+ trunks[i].buf, trunks[i].map);
+
+ kfree(trunks);
+ kfree(buf);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ buf->npages = DIV_ROUND_UP(alloced_size, page_size);
+ buf->trunk_list = trunks;
+
+ return buf;
}
int hns_roce_get_kmem_bufs(struct hns_roce_dev *hr_dev, dma_addr_t *bufs,
diff --git a/drivers/infiniband/hw/hns/hns_roce_common.h b/drivers/infiniband/hw/hns/hns_roce_common.h
index f5669ff8cfeb..29469e15dfd3 100644
--- a/drivers/infiniband/hw/hns/hns_roce_common.h
+++ b/drivers/infiniband/hw/hns/hns_roce_common.h
@@ -53,6 +53,18 @@
#define roce_set_bit(origin, shift, val) \
roce_set_field((origin), (1ul << (shift)), (shift), (val))
+#define FIELD_LOC(field_type, field_h, field_l) field_type, field_h, field_l
+
+#define _hr_reg_enable(ptr, field_type, field_h, field_l) \
+ ({ \
+ const field_type *_ptr = ptr; \
+ *((__le32 *)_ptr + (field_h) / 32) |= \
+ cpu_to_le32(BIT((field_l) % 32)) + \
+ BUILD_BUG_ON_ZERO((field_h) != (field_l)); \
+ })
+
+#define hr_reg_enable(ptr, field) _hr_reg_enable(ptr, field)
+
#define ROCEE_GLB_CFG_ROCEE_DB_SQ_MODE_S 3
#define ROCEE_GLB_CFG_ROCEE_DB_OTH_MODE_S 4
diff --git a/drivers/infiniband/hw/hns/hns_roce_cq.c b/drivers/infiniband/hw/hns/hns_roce_cq.c
index 809b22aa5056..68f355fba425 100644
--- a/drivers/infiniband/hw/hns/hns_roce_cq.c
+++ b/drivers/infiniband/hw/hns/hns_roce_cq.c
@@ -251,6 +251,9 @@ int hns_roce_create_cq(struct ib_cq *ib_cq, const struct ib_cq_init_attr *attr,
u32 cq_entries = attr->cqe;
int ret;
+ if (attr->flags)
+ return -EOPNOTSUPP;
+
if (cq_entries < 1 || cq_entries > hr_dev->caps.max_cqes) {
ibdev_err(ibdev, "Failed to check CQ count %d max=%d\n",
cq_entries, hr_dev->caps.max_cqes);
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index 6d2acff69f98..a5c6bb073569 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -117,6 +117,8 @@
#define HNS_ROCE_IDX_QUE_ENTRY_SZ 4
#define SRQ_DB_REG 0x230
+#define HNS_ROCE_QP_BANK_NUM 8
+
/* The chip implementation of the consumer index is calculated
* according to twice the actual EQ depth
*/
@@ -129,9 +131,10 @@ enum {
SERV_TYPE_UD,
};
-enum {
+enum hns_roce_qp_caps {
HNS_ROCE_QP_CAP_RQ_RECORD_DB = BIT(0),
HNS_ROCE_QP_CAP_SQ_RECORD_DB = BIT(1),
+ HNS_ROCE_QP_CAP_OWNER_DB = BIT(2),
};
enum hns_roce_cq_flags {
@@ -221,6 +224,8 @@ enum {
HNS_ROCE_CAP_FLAG_FRMR = BIT(8),
HNS_ROCE_CAP_FLAG_QP_FLOW_CTRL = BIT(9),
HNS_ROCE_CAP_FLAG_ATOMIC = BIT(10),
+ HNS_ROCE_CAP_FLAG_SDI_MODE = BIT(14),
+ HNS_ROCE_CAP_FLAG_STASH = BIT(17),
};
#define HNS_ROCE_DB_TYPE_COUNT 2
@@ -265,9 +270,6 @@ enum {
#define HNS_HW_PAGE_SHIFT 12
#define HNS_HW_PAGE_SIZE (1 << HNS_HW_PAGE_SHIFT)
-/* The minimum page count for hardware access page directly. */
-#define HNS_HW_DIRECT_PAGE_COUNT 2
-
struct hns_roce_uar {
u64 pfn;
unsigned long index;
@@ -419,11 +421,26 @@ struct hns_roce_buf_list {
dma_addr_t map;
};
+/*
+ * %HNS_ROCE_BUF_DIRECT indicates that the all memory must be in a continuous
+ * dma address range.
+ *
+ * %HNS_ROCE_BUF_NOSLEEP indicates that the caller cannot sleep.
+ *
+ * %HNS_ROCE_BUF_NOFAIL allocation only failed when allocated size is zero, even
+ * the allocated size is smaller than the required size.
+ */
+enum {
+ HNS_ROCE_BUF_DIRECT = BIT(0),
+ HNS_ROCE_BUF_NOSLEEP = BIT(1),
+ HNS_ROCE_BUF_NOFAIL = BIT(2),
+};
+
struct hns_roce_buf {
- struct hns_roce_buf_list direct;
- struct hns_roce_buf_list *page_list;
+ struct hns_roce_buf_list *trunk_list;
+ u32 ntrunks;
u32 npages;
- u32 size;
+ unsigned int trunk_shift;
unsigned int page_shift;
};
@@ -510,13 +527,22 @@ struct hns_roce_uar_table {
struct hns_roce_bitmap bitmap;
};
+struct hns_roce_bank {
+ struct ida ida;
+ u32 inuse; /* Number of IDs allocated */
+ u32 min; /* Lowest ID to allocate. */
+ u32 max; /* Highest ID to allocate. */
+ u32 next; /* Next ID to allocate. */
+};
+
struct hns_roce_qp_table {
- struct hns_roce_bitmap bitmap;
struct hns_roce_hem_table qp_table;
struct hns_roce_hem_table irrl_table;
struct hns_roce_hem_table trrl_table;
struct hns_roce_hem_table sccc_table;
struct mutex scc_mutex;
+ struct hns_roce_bank bank[HNS_ROCE_QP_BANK_NUM];
+ spinlock_t bank_lock;
};
struct hns_roce_cq_table {
@@ -547,7 +573,7 @@ struct hns_roce_av {
u8 dgid[HNS_ROCE_GID_SIZE];
u8 mac[ETH_ALEN];
u16 vlan_id;
- bool vlan_en;
+ u8 vlan_en;
};
struct hns_roce_ah {
@@ -766,7 +792,7 @@ struct hns_roce_caps {
u32 max_rq_sg;
u32 max_extend_sg;
int num_qps;
- int reserved_qps;
+ u32 reserved_qps;
int num_qpc_timer;
int num_cqc_timer;
int num_srqs;
@@ -825,6 +851,7 @@ struct hns_roce_caps {
u32 cqc_timer_bt_num;
u32 mpt_bt_num;
u32 sccc_bt_num;
+ u32 gmv_bt_num;
u32 qpc_ba_pg_sz;
u32 qpc_buf_pg_sz;
u32 qpc_hop_num;
@@ -864,6 +891,11 @@ struct hns_roce_caps {
u32 eqe_ba_pg_sz;
u32 eqe_buf_pg_sz;
u32 eqe_hop_num;
+ u32 gmv_entry_num;
+ u32 gmv_entry_sz;
+ u32 gmv_ba_pg_sz;
+ u32 gmv_buf_pg_sz;
+ u32 gmv_hop_num;
u32 sl_num;
u32 tsq_buf_pg_sz;
u32 tpq_buf_pg_sz;
@@ -999,6 +1031,10 @@ struct hns_roce_dev {
struct hns_roce_eq_table eq_table;
struct hns_roce_hem_table qpc_timer_table;
struct hns_roce_hem_table cqc_timer_table;
+ /* GMV is the memory area that the driver allocates for the hardware
+ * to store SGID, SMAC and VLAN information.
+ */
+ struct hns_roce_hem_table gmv_table;
int cmd_mod;
int loop_idc;
@@ -1069,29 +1105,18 @@ static inline struct hns_roce_qp
return xa_load(&hr_dev->qp_table_xa, qpn & (hr_dev->caps.num_qps - 1));
}
-static inline bool hns_roce_buf_is_direct(struct hns_roce_buf *buf)
-{
- if (buf->page_list)
- return false;
-
- return true;
-}
-
static inline void *hns_roce_buf_offset(struct hns_roce_buf *buf, int offset)
{
- if (hns_roce_buf_is_direct(buf))
- return (char *)(buf->direct.buf) + (offset & (buf->size - 1));
-
- return (char *)(buf->page_list[offset >> buf->page_shift].buf) +
- (offset & ((1 << buf->page_shift) - 1));
+ return (char *)(buf->trunk_list[offset >> buf->trunk_shift].buf) +
+ (offset & ((1 << buf->trunk_shift) - 1));
}
static inline dma_addr_t hns_roce_buf_page(struct hns_roce_buf *buf, int idx)
{
- if (hns_roce_buf_is_direct(buf))
- return buf->direct.map + ((dma_addr_t)idx << buf->page_shift);
- else
- return buf->page_list[idx].map;
+ int offset = idx << buf->page_shift;
+
+ return buf->trunk_list[offset >> buf->trunk_shift].map +
+ (offset & ((1 << buf->trunk_shift) - 1));
}
#define hr_hw_page_align(x) ALIGN(x, 1 << HNS_HW_PAGE_SHIFT)
@@ -1215,8 +1240,8 @@ int hns_roce_alloc_mw(struct ib_mw *mw, struct ib_udata *udata);
int hns_roce_dealloc_mw(struct ib_mw *ibmw);
void hns_roce_buf_free(struct hns_roce_dev *hr_dev, struct hns_roce_buf *buf);
-int hns_roce_buf_alloc(struct hns_roce_dev *hr_dev, u32 size, u32 max_direct,
- struct hns_roce_buf *buf, u32 page_shift);
+struct hns_roce_buf *hns_roce_buf_alloc(struct hns_roce_dev *hr_dev, u32 size,
+ u32 page_shift, u32 flags);
int hns_roce_get_kmem_bufs(struct hns_roce_dev *hr_dev, dma_addr_t *bufs,
int buf_cnt, int start, struct hns_roce_buf *buf);
diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c
index 7487cf3d2c37..5c302aecf050 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hem.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hem.c
@@ -75,6 +75,9 @@ bool hns_roce_check_whether_mhop(struct hns_roce_dev *hr_dev, u32 type)
case HEM_TYPE_CQC_TIMER:
hop_num = hr_dev->caps.cqc_timer_hop_num;
break;
+ case HEM_TYPE_GMV:
+ hop_num = hr_dev->caps.gmv_hop_num;
+ break;
default:
return false;
}
@@ -183,6 +186,14 @@ static int get_hem_table_config(struct hns_roce_dev *hr_dev,
mhop->ba_l0_num = hr_dev->caps.srqc_bt_num;
mhop->hop_num = hr_dev->caps.srqc_hop_num;
break;
+ case HEM_TYPE_GMV:
+ mhop->buf_chunk_size = 1 << (hr_dev->caps.gmv_buf_pg_sz +
+ PAGE_SHIFT);
+ mhop->bt_chunk_size = 1 << (hr_dev->caps.gmv_ba_pg_sz +
+ PAGE_SHIFT);
+ mhop->ba_l0_num = hr_dev->caps.gmv_bt_num;
+ mhop->hop_num = hr_dev->caps.gmv_hop_num;
+ break;
default:
dev_err(dev, "Table %d not support multi-hop addressing!\n",
type);
@@ -1033,6 +1044,10 @@ void hns_roce_cleanup_hem(struct hns_roce_dev *hr_dev)
if (hr_dev->caps.trrl_entry_sz)
hns_roce_cleanup_hem_table(hr_dev,
&hr_dev->qp_table.trrl_table);
+
+ if (hr_dev->caps.gmv_entry_sz)
+ hns_roce_cleanup_hem_table(hr_dev, &hr_dev->gmv_table);
+
hns_roce_cleanup_hem_table(hr_dev, &hr_dev->qp_table.irrl_table);
hns_roce_cleanup_hem_table(hr_dev, &hr_dev->qp_table.qp_table);
hns_roce_cleanup_hem_table(hr_dev, &hr_dev->mr_table.mtpt_table);
diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.h b/drivers/infiniband/hw/hns/hns_roce_hem.h
index b34c940077bb..c6bd98228a44 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hem.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hem.h
@@ -47,6 +47,7 @@ enum {
HEM_TYPE_SCCC,
HEM_TYPE_QPC_TIMER,
HEM_TYPE_CQC_TIMER,
+ HEM_TYPE_GMV,
/* UNMAP HEM */
HEM_TYPE_MTT,
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index 5f4d8a32ed6d..f18380f827dd 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -2062,11 +2062,6 @@ static void hns_roce_v1_write_cqc(struct hns_roce_dev *hr_dev,
CQ_CONTEXT_CQC_BYTE_32_CQ_CONS_IDX_S, 0);
}
-static int hns_roce_v1_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period)
-{
- return -EOPNOTSUPP;
-}
-
static int hns_roce_v1_req_notify_cq(struct ib_cq *ibcq,
enum ib_cq_notify_flags flags)
{
@@ -3261,6 +3256,8 @@ static int hns_roce_v1_modify_qp(struct ib_qp *ibqp,
enum ib_qp_state cur_state,
enum ib_qp_state new_state)
{
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
if (ibqp->qp_type == IB_QPT_GSI || ibqp->qp_type == IB_QPT_SMI)
return hns_roce_v1_m_sqp(ibqp, attr, attr_mask, cur_state,
@@ -4347,7 +4344,6 @@ static void hns_roce_v1_cleanup_eq_table(struct hns_roce_dev *hr_dev)
static const struct ib_device_ops hns_roce_v1_dev_ops = {
.destroy_qp = hns_roce_v1_destroy_qp,
- .modify_cq = hns_roce_v1_modify_cq,
.poll_cq = hns_roce_v1_poll_cq,
.post_recv = hns_roce_v1_post_recv,
.post_send = hns_roce_v1_post_send,
@@ -4367,7 +4363,6 @@ static const struct hns_roce_hw hns_roce_hw_v1 = {
.set_mtu = hns_roce_v1_set_mtu,
.write_mtpt = hns_roce_v1_write_mtpt,
.write_cqc = hns_roce_v1_write_cqc,
- .modify_cq = hns_roce_v1_modify_cq,
.clear_hem = hns_roce_v1_clear_hem,
.modify_qp = hns_roce_v1_modify_qp,
.query_qp = hns_roce_v1_query_qp,
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 0468028ffe39..8575ad7acce2 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -422,19 +422,50 @@ static int set_ud_opcode(struct hns_roce_v2_ud_send_wqe *ud_sq_wqe,
return 0;
}
+static int fill_ud_av(struct hns_roce_v2_ud_send_wqe *ud_sq_wqe,
+ struct hns_roce_ah *ah)
+{
+ struct ib_device *ib_dev = ah->ibah.device;
+ struct hns_roce_dev *hr_dev = to_hr_dev(ib_dev);
+
+ roce_set_field(ud_sq_wqe->byte_24, V2_UD_SEND_WQE_BYTE_24_UDPSPN_M,
+ V2_UD_SEND_WQE_BYTE_24_UDPSPN_S, ah->av.udp_sport);
+
+ roce_set_field(ud_sq_wqe->byte_36, V2_UD_SEND_WQE_BYTE_36_HOPLIMIT_M,
+ V2_UD_SEND_WQE_BYTE_36_HOPLIMIT_S, ah->av.hop_limit);
+ roce_set_field(ud_sq_wqe->byte_36, V2_UD_SEND_WQE_BYTE_36_TCLASS_M,
+ V2_UD_SEND_WQE_BYTE_36_TCLASS_S, ah->av.tclass);
+ roce_set_field(ud_sq_wqe->byte_40, V2_UD_SEND_WQE_BYTE_40_FLOW_LABEL_M,
+ V2_UD_SEND_WQE_BYTE_40_FLOW_LABEL_S, ah->av.flowlabel);
+ roce_set_field(ud_sq_wqe->byte_40, V2_UD_SEND_WQE_BYTE_40_SL_M,
+ V2_UD_SEND_WQE_BYTE_40_SL_S, ah->av.sl);
+
+ ud_sq_wqe->sgid_index = ah->av.gid_index;
+
+ memcpy(ud_sq_wqe->dmac, ah->av.mac, ETH_ALEN);
+ memcpy(ud_sq_wqe->dgid, ah->av.dgid, GID_LEN_V2);
+
+ if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP09)
+ return 0;
+
+ roce_set_bit(ud_sq_wqe->byte_40, V2_UD_SEND_WQE_BYTE_40_UD_VLAN_EN_S,
+ ah->av.vlan_en);
+ roce_set_field(ud_sq_wqe->byte_36, V2_UD_SEND_WQE_BYTE_36_VLAN_M,
+ V2_UD_SEND_WQE_BYTE_36_VLAN_S, ah->av.vlan_id);
+
+ return 0;
+}
+
static inline int set_ud_wqe(struct hns_roce_qp *qp,
const struct ib_send_wr *wr,
void *wqe, unsigned int *sge_idx,
unsigned int owner_bit)
{
- struct hns_roce_dev *hr_dev = to_hr_dev(qp->ibqp.device);
struct hns_roce_ah *ah = to_hr_ah(ud_wr(wr)->ah);
struct hns_roce_v2_ud_send_wqe *ud_sq_wqe = wqe;
unsigned int curr_idx = *sge_idx;
- int valid_num_sge;
+ unsigned int valid_num_sge;
u32 msg_len = 0;
- bool loopback;
- u8 *smac;
int ret;
valid_num_sge = calc_wr_sge_num(wr, &msg_len);
@@ -444,38 +475,13 @@ static inline int set_ud_wqe(struct hns_roce_qp *qp,
if (WARN_ON(ret))
return ret;
- roce_set_field(ud_sq_wqe->dmac, V2_UD_SEND_WQE_DMAC_0_M,
- V2_UD_SEND_WQE_DMAC_0_S, ah->av.mac[0]);
- roce_set_field(ud_sq_wqe->dmac, V2_UD_SEND_WQE_DMAC_1_M,
- V2_UD_SEND_WQE_DMAC_1_S, ah->av.mac[1]);
- roce_set_field(ud_sq_wqe->dmac, V2_UD_SEND_WQE_DMAC_2_M,
- V2_UD_SEND_WQE_DMAC_2_S, ah->av.mac[2]);
- roce_set_field(ud_sq_wqe->dmac, V2_UD_SEND_WQE_DMAC_3_M,
- V2_UD_SEND_WQE_DMAC_3_S, ah->av.mac[3]);
- roce_set_field(ud_sq_wqe->byte_48, V2_UD_SEND_WQE_BYTE_48_DMAC_4_M,
- V2_UD_SEND_WQE_BYTE_48_DMAC_4_S, ah->av.mac[4]);
- roce_set_field(ud_sq_wqe->byte_48, V2_UD_SEND_WQE_BYTE_48_DMAC_5_M,
- V2_UD_SEND_WQE_BYTE_48_DMAC_5_S, ah->av.mac[5]);
-
- /* MAC loopback */
- smac = (u8 *)hr_dev->dev_addr[qp->port];
- loopback = ether_addr_equal_unaligned(ah->av.mac, smac) ? 1 : 0;
-
- roce_set_bit(ud_sq_wqe->byte_40,
- V2_UD_SEND_WQE_BYTE_40_LBI_S, loopback);
-
ud_sq_wqe->msg_len = cpu_to_le32(msg_len);
- /* Set sig attr */
roce_set_bit(ud_sq_wqe->byte_4, V2_UD_SEND_WQE_BYTE_4_CQE_S,
- (wr->send_flags & IB_SEND_SIGNALED) ? 1 : 0);
+ !!(wr->send_flags & IB_SEND_SIGNALED));
- /* Set se attr */
roce_set_bit(ud_sq_wqe->byte_4, V2_UD_SEND_WQE_BYTE_4_SE_S,
- (wr->send_flags & IB_SEND_SOLICITED) ? 1 : 0);
-
- roce_set_bit(ud_sq_wqe->byte_4, V2_UD_SEND_WQE_BYTE_4_OWNER_S,
- owner_bit);
+ !!(wr->send_flags & IB_SEND_SOLICITED));
roce_set_field(ud_sq_wqe->byte_16, V2_UD_SEND_WQE_BYTE_16_PD_M,
V2_UD_SEND_WQE_BYTE_16_PD_S, to_hr_pd(qp->ibqp.pd)->pdn);
@@ -488,36 +494,29 @@ static inline int set_ud_wqe(struct hns_roce_qp *qp,
V2_UD_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_S,
curr_idx & (qp->sge.sge_cnt - 1));
- roce_set_field(ud_sq_wqe->byte_24, V2_UD_SEND_WQE_BYTE_24_UDPSPN_M,
- V2_UD_SEND_WQE_BYTE_24_UDPSPN_S, ah->av.udp_sport);
ud_sq_wqe->qkey = cpu_to_le32(ud_wr(wr)->remote_qkey & 0x80000000 ?
qp->qkey : ud_wr(wr)->remote_qkey);
roce_set_field(ud_sq_wqe->byte_32, V2_UD_SEND_WQE_BYTE_32_DQPN_M,
V2_UD_SEND_WQE_BYTE_32_DQPN_S, ud_wr(wr)->remote_qpn);
- roce_set_field(ud_sq_wqe->byte_36, V2_UD_SEND_WQE_BYTE_36_VLAN_M,
- V2_UD_SEND_WQE_BYTE_36_VLAN_S, ah->av.vlan_id);
- roce_set_field(ud_sq_wqe->byte_36, V2_UD_SEND_WQE_BYTE_36_HOPLIMIT_M,
- V2_UD_SEND_WQE_BYTE_36_HOPLIMIT_S, ah->av.hop_limit);
- roce_set_field(ud_sq_wqe->byte_36, V2_UD_SEND_WQE_BYTE_36_TCLASS_M,
- V2_UD_SEND_WQE_BYTE_36_TCLASS_S, ah->av.tclass);
- roce_set_field(ud_sq_wqe->byte_40, V2_UD_SEND_WQE_BYTE_40_FLOW_LABEL_M,
- V2_UD_SEND_WQE_BYTE_40_FLOW_LABEL_S, ah->av.flowlabel);
- roce_set_field(ud_sq_wqe->byte_40, V2_UD_SEND_WQE_BYTE_40_SL_M,
- V2_UD_SEND_WQE_BYTE_40_SL_S, ah->av.sl);
- roce_set_field(ud_sq_wqe->byte_40, V2_UD_SEND_WQE_BYTE_40_PORTN_M,
- V2_UD_SEND_WQE_BYTE_40_PORTN_S, qp->port);
-
- roce_set_bit(ud_sq_wqe->byte_40, V2_UD_SEND_WQE_BYTE_40_UD_VLAN_EN_S,
- ah->av.vlan_en ? 1 : 0);
- roce_set_field(ud_sq_wqe->byte_48, V2_UD_SEND_WQE_BYTE_48_SGID_INDX_M,
- V2_UD_SEND_WQE_BYTE_48_SGID_INDX_S, ah->av.gid_index);
-
- memcpy(&ud_sq_wqe->dgid[0], &ah->av.dgid[0], GID_LEN_V2);
+ ret = fill_ud_av(ud_sq_wqe, ah);
+ if (ret)
+ return ret;
set_extend_sge(qp, wr, &curr_idx, valid_num_sge);
+ /*
+ * The pipeline can sequentially post all valid WQEs into WQ buffer,
+ * including new WQEs waiting for the doorbell to update the PI again.
+ * Therefore, the owner bit of WQE MUST be updated after all fields
+ * and extSGEs have been written into DDR instead of cache.
+ */
+ if (qp->en_flags & HNS_ROCE_QP_CAP_OWNER_DB)
+ dma_wmb();
+
*sge_idx = curr_idx;
+ roce_set_bit(ud_sq_wqe->byte_4, V2_UD_SEND_WQE_BYTE_4_OWNER_S,
+ owner_bit);
return 0;
}
@@ -591,9 +590,6 @@ static inline int set_rc_wqe(struct hns_roce_qp *qp,
roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_CQE_S,
(wr->send_flags & IB_SEND_SIGNALED) ? 1 : 0);
- roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_OWNER_S,
- owner_bit);
-
if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP ||
wr->opcode == IB_WR_ATOMIC_FETCH_AND_ADD)
set_atomic_seg(wr, rc_sq_wqe, valid_num_sge);
@@ -601,7 +597,18 @@ static inline int set_rc_wqe(struct hns_roce_qp *qp,
ret = set_rwqe_data_seg(&qp->ibqp, wr, rc_sq_wqe,
&curr_idx, valid_num_sge);
+ /*
+ * The pipeline can sequentially post all valid WQEs into WQ buffer,
+ * including new WQEs waiting for the doorbell to update the PI again.
+ * Therefore, the owner bit of WQE MUST be updated after all fields
+ * and extSGEs have been written into DDR instead of cache.
+ */
+ if (qp->en_flags & HNS_ROCE_QP_CAP_OWNER_DB)
+ dma_wmb();
+
*sge_idx = curr_idx;
+ roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_OWNER_S,
+ owner_bit);
return ret;
}
@@ -686,7 +693,7 @@ static int hns_roce_v2_post_send(struct ib_qp *ibqp,
~(((qp->sq.head + nreq) >> ilog2(qp->sq.wqe_cnt)) & 0x1);
/* Corresponding to the QP type, wqe process separately */
- if (ibqp->qp_type == IB_QPT_GSI)
+ if (ibqp->qp_type == IB_QPT_GSI || ibqp->qp_type == IB_QPT_UD)
ret = set_ud_wqe(qp, wr, wqe, &sge_idx, owner_bit);
else if (ibqp->qp_type == IB_QPT_RC)
ret = set_rc_wqe(qp, wr, wqe, &sge_idx, owner_bit);
@@ -1573,6 +1580,10 @@ static int hns_roce_query_pf_resource(struct hns_roce_dev *hr_dev)
PF_RES_DATA_4_PF_SCCC_BT_NUM_M,
PF_RES_DATA_4_PF_SCCC_BT_NUM_S);
+ hr_dev->caps.gmv_bt_num = roce_get_field(req_b->gmv_idx_num,
+ PF_RES_DATA_5_PF_GMV_BT_NUM_M,
+ PF_RES_DATA_5_PF_GMV_BT_NUM_S);
+
return 0;
}
@@ -1896,6 +1907,15 @@ static void set_default_caps(struct hns_roce_dev *hr_dev)
caps->ceqe_size = HNS_ROCE_V3_EQE_SIZE;
caps->cqe_sz = HNS_ROCE_V3_CQE_SIZE;
caps->qpc_sz = HNS_ROCE_V3_QPC_SZ;
+ caps->sccc_sz = HNS_ROCE_V3_SCCC_SZ;
+ caps->gmv_entry_sz = HNS_ROCE_V3_GMV_ENTRY_SZ;
+ caps->gmv_entry_num = caps->gmv_bt_num * (PAGE_SIZE /
+ caps->gmv_entry_sz);
+ caps->gmv_hop_num = HNS_ROCE_HOP_NUM_0;
+ caps->gmv_ba_pg_sz = 0;
+ caps->gmv_buf_pg_sz = 0;
+ caps->gid_table_len[0] = caps->gmv_bt_num * (HNS_HW_PAGE_SIZE /
+ caps->gmv_entry_sz);
}
}
@@ -2122,6 +2142,14 @@ static int hns_roce_query_pf_caps(struct hns_roce_dev *hr_dev)
caps->cqe_sz = HNS_ROCE_V3_CQE_SIZE;
caps->qpc_sz = HNS_ROCE_V3_QPC_SZ;
caps->sccc_sz = HNS_ROCE_V3_SCCC_SZ;
+ caps->gmv_entry_sz = HNS_ROCE_V3_GMV_ENTRY_SZ;
+ caps->gmv_entry_num = caps->gmv_bt_num * (PAGE_SIZE /
+ caps->gmv_entry_sz);
+ caps->gmv_hop_num = HNS_ROCE_HOP_NUM_0;
+ caps->gmv_ba_pg_sz = 0;
+ caps->gmv_buf_pg_sz = 0;
+ caps->gid_table_len[0] = caps->gmv_bt_num *
+ (HNS_HW_PAGE_SIZE / caps->gmv_entry_sz);
}
calc_pg_sz(caps->num_qps, caps->qpc_sz, caps->qpc_hop_num,
@@ -2465,24 +2493,13 @@ static void hns_roce_free_link_table(struct hns_roce_dev *hr_dev,
link_tbl->table.map);
}
-static int hns_roce_v2_init(struct hns_roce_dev *hr_dev)
+static int get_hem_table(struct hns_roce_dev *hr_dev)
{
- struct hns_roce_v2_priv *priv = hr_dev->priv;
- int qpc_count, cqc_count;
- int ret, i;
-
- /* TSQ includes SQ doorbell and ack doorbell */
- ret = hns_roce_init_link_table(hr_dev, TSQ_LINK_TABLE);
- if (ret) {
- dev_err(hr_dev->dev, "TSQ init failed, ret = %d.\n", ret);
- return ret;
- }
-
- ret = hns_roce_init_link_table(hr_dev, TPQ_LINK_TABLE);
- if (ret) {
- dev_err(hr_dev->dev, "TPQ init failed, ret = %d.\n", ret);
- goto err_tpq_init_failed;
- }
+ unsigned int qpc_count;
+ unsigned int cqc_count;
+ unsigned int gmv_count;
+ int ret;
+ int i;
/* Alloc memory for QPC Timer buffer space chunk */
for (qpc_count = 0; qpc_count < hr_dev->caps.qpc_timer_bt_num;
@@ -2506,8 +2523,23 @@ static int hns_roce_v2_init(struct hns_roce_dev *hr_dev)
}
}
+ /* Alloc memory for GMV(GID/MAC/VLAN) table buffer space chunk */
+ for (gmv_count = 0; gmv_count < hr_dev->caps.gmv_entry_num;
+ gmv_count++) {
+ ret = hns_roce_table_get(hr_dev, &hr_dev->gmv_table, gmv_count);
+ if (ret) {
+ dev_err(hr_dev->dev,
+ "failed to get gmv table, ret = %d.\n", ret);
+ goto err_gmv_failed;
+ }
+ }
+
return 0;
+err_gmv_failed:
+ for (i = 0; i < gmv_count; i++)
+ hns_roce_table_put(hr_dev, &hr_dev->gmv_table, i);
+
err_cqc_timer_failed:
for (i = 0; i < cqc_count; i++)
hns_roce_table_put(hr_dev, &hr_dev->cqc_timer_table, i);
@@ -2516,6 +2548,34 @@ err_qpc_timer_failed:
for (i = 0; i < qpc_count; i++)
hns_roce_table_put(hr_dev, &hr_dev->qpc_timer_table, i);
+ return ret;
+}
+
+static int hns_roce_v2_init(struct hns_roce_dev *hr_dev)
+{
+ struct hns_roce_v2_priv *priv = hr_dev->priv;
+ int ret;
+
+ /* TSQ includes SQ doorbell and ack doorbell */
+ ret = hns_roce_init_link_table(hr_dev, TSQ_LINK_TABLE);
+ if (ret) {
+ dev_err(hr_dev->dev, "failed to init TSQ, ret = %d.\n", ret);
+ return ret;
+ }
+
+ ret = hns_roce_init_link_table(hr_dev, TPQ_LINK_TABLE);
+ if (ret) {
+ dev_err(hr_dev->dev, "failed to init TPQ, ret = %d.\n", ret);
+ goto err_tpq_init_failed;
+ }
+
+ ret = get_hem_table(hr_dev);
+ if (ret)
+ goto err_get_hem_table_failed;
+
+ return 0;
+
+err_get_hem_table_failed:
hns_roce_free_link_table(hr_dev, &priv->tpq);
err_tpq_init_failed:
@@ -2637,14 +2697,27 @@ static int hns_roce_v2_chk_mbox(struct hns_roce_dev *hr_dev,
return 0;
}
-static int hns_roce_config_sgid_table(struct hns_roce_dev *hr_dev,
- int gid_index, const union ib_gid *gid,
- enum hns_roce_sgid_type sgid_type)
+static void copy_gid(void *dest, const union ib_gid *gid)
+{
+#define GID_SIZE 4
+ const union ib_gid *src = gid;
+ __le32 (*p)[GID_SIZE] = dest;
+ int i;
+
+ if (!gid)
+ src = &zgid;
+
+ for (i = 0; i < GID_SIZE; i++)
+ (*p)[i] = cpu_to_le32(*(u32 *)&src->raw[i * sizeof(u32)]);
+}
+
+static int config_sgid_table(struct hns_roce_dev *hr_dev,
+ int gid_index, const union ib_gid *gid,
+ enum hns_roce_sgid_type sgid_type)
{
struct hns_roce_cmq_desc desc;
struct hns_roce_cfg_sgid_tb *sgid_tb =
(struct hns_roce_cfg_sgid_tb *)desc.data;
- u32 *p;
hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CFG_SGID_TB, false);
@@ -2653,19 +2726,54 @@ static int hns_roce_config_sgid_table(struct hns_roce_dev *hr_dev,
roce_set_field(sgid_tb->vf_sgid_type_rsv, CFG_SGID_TB_VF_SGID_TYPE_M,
CFG_SGID_TB_VF_SGID_TYPE_S, sgid_type);
- p = (u32 *)&gid->raw[0];
- sgid_tb->vf_sgid_l = cpu_to_le32(*p);
+ copy_gid(&sgid_tb->vf_sgid_l, gid);
- p = (u32 *)&gid->raw[4];
- sgid_tb->vf_sgid_ml = cpu_to_le32(*p);
+ return hns_roce_cmq_send(hr_dev, &desc, 1);
+}
- p = (u32 *)&gid->raw[8];
- sgid_tb->vf_sgid_mh = cpu_to_le32(*p);
+static int config_gmv_table(struct hns_roce_dev *hr_dev,
+ int gid_index, const union ib_gid *gid,
+ enum hns_roce_sgid_type sgid_type,
+ const struct ib_gid_attr *attr)
+{
+ struct hns_roce_cmq_desc desc[2];
+ struct hns_roce_cfg_gmv_tb_a *tb_a =
+ (struct hns_roce_cfg_gmv_tb_a *)desc[0].data;
+ struct hns_roce_cfg_gmv_tb_b *tb_b =
+ (struct hns_roce_cfg_gmv_tb_b *)desc[1].data;
- p = (u32 *)&gid->raw[0xc];
- sgid_tb->vf_sgid_h = cpu_to_le32(*p);
+ u16 vlan_id = VLAN_CFI_MASK;
+ u8 mac[ETH_ALEN] = {};
+ int ret;
- return hns_roce_cmq_send(hr_dev, &desc, 1);
+ if (gid) {
+ ret = rdma_read_gid_l2_fields(attr, &vlan_id, mac);
+ if (ret)
+ return ret;
+ }
+
+ hns_roce_cmq_setup_basic_desc(&desc[0], HNS_ROCE_OPC_CFG_GMV_TBL, false);
+ desc[0].flag |= cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT);
+
+ hns_roce_cmq_setup_basic_desc(&desc[1], HNS_ROCE_OPC_CFG_GMV_TBL, false);
+
+ copy_gid(&tb_a->vf_sgid_l, gid);
+
+ roce_set_field(tb_a->vf_sgid_type_vlan, CFG_GMV_TB_VF_SGID_TYPE_M,
+ CFG_GMV_TB_VF_SGID_TYPE_S, sgid_type);
+ roce_set_bit(tb_a->vf_sgid_type_vlan, CFG_GMV_TB_VF_VLAN_EN_S,
+ vlan_id < VLAN_CFI_MASK);
+ roce_set_field(tb_a->vf_sgid_type_vlan, CFG_GMV_TB_VF_VLAN_ID_M,
+ CFG_GMV_TB_VF_VLAN_ID_S, vlan_id);
+
+ tb_b->vf_smac_l = cpu_to_le32(*(u32 *)mac);
+ roce_set_field(tb_b->vf_smac_h, CFG_GMV_TB_SMAC_H_M,
+ CFG_GMV_TB_SMAC_H_S, *(u16 *)&mac[4]);
+
+ roce_set_field(tb_b->table_idx_rsv, CFG_GMV_TB_SGID_IDX_M,
+ CFG_GMV_TB_SGID_IDX_S, gid_index);
+
+ return hns_roce_cmq_send(hr_dev, desc, 2);
}
static int hns_roce_v2_set_gid(struct hns_roce_dev *hr_dev, u8 port,
@@ -2675,23 +2783,24 @@ static int hns_roce_v2_set_gid(struct hns_roce_dev *hr_dev, u8 port,
enum hns_roce_sgid_type sgid_type = GID_TYPE_FLAG_ROCE_V1;
int ret;
- if (!gid || !attr)
- return -EINVAL;
-
- if (attr->gid_type == IB_GID_TYPE_ROCE)
- sgid_type = GID_TYPE_FLAG_ROCE_V1;
-
- if (attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) {
- if (ipv6_addr_v4mapped((void *)gid))
- sgid_type = GID_TYPE_FLAG_ROCE_V2_IPV4;
- else
- sgid_type = GID_TYPE_FLAG_ROCE_V2_IPV6;
+ if (gid) {
+ if (attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) {
+ if (ipv6_addr_v4mapped((void *)gid))
+ sgid_type = GID_TYPE_FLAG_ROCE_V2_IPV4;
+ else
+ sgid_type = GID_TYPE_FLAG_ROCE_V2_IPV6;
+ } else if (attr->gid_type == IB_GID_TYPE_ROCE) {
+ sgid_type = GID_TYPE_FLAG_ROCE_V1;
+ }
}
- ret = hns_roce_config_sgid_table(hr_dev, gid_index, gid, sgid_type);
+ if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP09)
+ ret = config_gmv_table(hr_dev, gid_index, gid, sgid_type, attr);
+ else
+ ret = config_sgid_table(hr_dev, gid_index, gid, sgid_type);
+
if (ret)
- ibdev_err(&hr_dev->ib_dev,
- "failed to configure sgid table, ret = %d!\n",
+ ibdev_err(&hr_dev->ib_dev, "failed to set gid, ret = %d!\n",
ret);
return ret;
@@ -3060,6 +3169,9 @@ static void hns_roce_v2_write_cqc(struct hns_roce_dev *hr_dev,
V2_CQC_BYTE_8_CQE_SIZE_S, hr_cq->cqe_size ==
HNS_ROCE_V3_CQE_SIZE ? 1 : 0);
+ if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_STASH)
+ hr_reg_enable(cq_context, CQC_STASH);
+
cq_context->cqe_cur_blk_addr = cpu_to_le32(to_hr_hw_page_addr(mtts[0]));
roce_set_field(cq_context->byte_16_hop_addr,
@@ -3583,9 +3695,25 @@ static int set_hem_to_hw(struct hns_roce_dev *hr_dev, int obj, u64 bt_ba,
u32 hem_type, int step_idx)
{
struct hns_roce_cmd_mailbox *mailbox;
+ struct hns_roce_cmq_desc desc;
+ struct hns_roce_cfg_gmv_bt *gmv_bt =
+ (struct hns_roce_cfg_gmv_bt *)desc.data;
int ret;
int op;
+ if (hem_type == HEM_TYPE_GMV) {
+ hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CFG_GMV_BT,
+ false);
+
+ gmv_bt->gmv_ba_l = cpu_to_le32(bt_ba >> HNS_HW_PAGE_SHIFT);
+ gmv_bt->gmv_ba_h = cpu_to_le32(bt_ba >> (HNS_HW_PAGE_SHIFT +
+ 32));
+ gmv_bt->gmv_bt_idx = cpu_to_le32(obj /
+ (HNS_HW_PAGE_SIZE / hr_dev->caps.gmv_entry_sz));
+
+ return hns_roce_cmq_send(hr_dev, &desc, 1);
+ }
+
op = get_op_for_set_hem(hr_dev, hem_type, step_idx);
if (op < 0)
return 0;
@@ -3683,24 +3811,20 @@ static int hns_roce_v2_clear_hem(struct hns_roce_dev *hr_dev,
case HEM_TYPE_CQC:
op = HNS_ROCE_CMD_DESTROY_CQC_BT0;
break;
- case HEM_TYPE_SCCC:
- case HEM_TYPE_QPC_TIMER:
- case HEM_TYPE_CQC_TIMER:
- break;
case HEM_TYPE_SRQC:
op = HNS_ROCE_CMD_DESTROY_SRQC_BT0;
break;
+ case HEM_TYPE_SCCC:
+ case HEM_TYPE_QPC_TIMER:
+ case HEM_TYPE_CQC_TIMER:
+ case HEM_TYPE_GMV:
+ return 0;
default:
dev_warn(dev, "Table %d not to be destroyed by mailbox!\n",
table->type);
return 0;
}
- if (table->type == HEM_TYPE_SCCC ||
- table->type == HEM_TYPE_QPC_TIMER ||
- table->type == HEM_TYPE_CQC_TIMER)
- return 0;
-
op += step_idx;
mailbox = hns_roce_alloc_cmd_mailbox(hr_dev);
@@ -3854,6 +3978,12 @@ static void modify_qp_reset_to_init(struct ib_qp *ibqp,
hr_qp->access_flags = attr->qp_access_flags;
roce_set_field(context->byte_252_err_txcqn, V2_QPC_BYTE_252_TX_CQN_M,
V2_QPC_BYTE_252_TX_CQN_S, to_hr_cq(ibqp->send_cq)->cqn);
+
+ if (hr_dev->caps.qpc_sz < HNS_ROCE_V3_QPC_SZ)
+ return;
+
+ if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_STASH)
+ hr_reg_enable(&context->ext, QPCEX_STASH);
}
static void modify_qp_init_to_init(struct ib_qp *ibqp,
@@ -4421,7 +4551,9 @@ static int hns_roce_v2_set_path(struct ib_qp *ibqp,
IB_GID_TYPE_ROCE_UDP_ENCAP);
}
- if (vlan_id < VLAN_N_VID) {
+ /* Only HIP08 needs to set the vlan_en bits in QPC */
+ if (vlan_id < VLAN_N_VID &&
+ hr_dev->pci_dev->revision == PCI_REVISION_ID_HIP08) {
roce_set_bit(context->byte_76_srqn_op_en,
V2_QPC_BYTE_76_RQ_VLAN_EN_S, 1);
roce_set_bit(qpc_mask->byte_76_srqn_op_en,
@@ -4758,6 +4890,9 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp,
unsigned long rq_flag = 0;
int ret;
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
/*
* In v2 engine, software pass context and context mask to hardware
* when modifying qp. If software need modify some fields in context,
@@ -5026,7 +5161,9 @@ static int hns_roce_v2_destroy_qp_common(struct hns_roce_dev *hr_dev,
unsigned long flags;
int ret = 0;
- if (hr_qp->ibqp.qp_type == IB_QPT_RC && hr_qp->state != IB_QPS_RESET) {
+ if ((hr_qp->ibqp.qp_type == IB_QPT_RC ||
+ hr_qp->ibqp.qp_type == IB_QPT_UD) &&
+ hr_qp->state != IB_QPS_RESET) {
/* Modify qp to reset before destroying qp */
ret = hns_roce_v2_modify_qp(&hr_qp->ibqp, NULL, 0,
hr_qp->state, IB_QPS_RESET);
@@ -6193,6 +6330,7 @@ static const struct pci_device_id hns_roce_hw_v2_pci_tbl[] = {
{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_50GE_RDMA), 0},
{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_50GE_RDMA_MACSEC), 0},
{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_100G_RDMA_MACSEC), 0},
+ {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_200G_RDMA), 0},
/* required last entry */
{0, }
};
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
index be7f2fe1e883..fac85369d84f 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
@@ -44,6 +44,7 @@
#define HNS_ROCE_VF_SMAC_NUM 32
#define HNS_ROCE_VF_SGID_NUM 32
#define HNS_ROCE_VF_SL_NUM 8
+#define HNS_ROCE_VF_GMV_BT_NUM 256
#define HNS_ROCE_V2_MAX_QP_NUM 0x100000
#define HNS_ROCE_V2_MAX_QPC_TIMER_NUM 0x200
@@ -89,6 +90,7 @@
#define HNS_ROCE_V2_SCCC_SZ 32
#define HNS_ROCE_V3_SCCC_SZ 64
+#define HNS_ROCE_V3_GMV_ENTRY_SZ 32
#define HNS_ROCE_V2_QPC_TIMER_ENTRY_SZ PAGE_SIZE
#define HNS_ROCE_V2_CQC_TIMER_ENTRY_SZ PAGE_SIZE
@@ -241,6 +243,8 @@ enum hns_roce_opcode_type {
HNS_ROCE_OPC_CLR_SCCC = 0x8509,
HNS_ROCE_OPC_QUERY_SCCC = 0x850a,
HNS_ROCE_OPC_RESET_SCCC = 0x850b,
+ HNS_ROCE_OPC_CFG_GMV_TBL = 0x850f,
+ HNS_ROCE_OPC_CFG_GMV_BT = 0x8510,
HNS_SWITCH_PARAMETER_CFG = 0x1033,
};
@@ -263,23 +267,24 @@ enum hns_roce_sgid_type {
};
struct hns_roce_v2_cq_context {
- __le32 byte_4_pg_ceqn;
- __le32 byte_8_cqn;
- __le32 cqe_cur_blk_addr;
- __le32 byte_16_hop_addr;
- __le32 cqe_nxt_blk_addr;
- __le32 byte_24_pgsz_addr;
- __le32 byte_28_cq_pi;
- __le32 byte_32_cq_ci;
- __le32 cqe_ba;
- __le32 byte_40_cqe_ba;
- __le32 byte_44_db_record;
- __le32 db_record_addr;
- __le32 byte_52_cqe_cnt;
- __le32 byte_56_cqe_period_maxcnt;
- __le32 cqe_report_timer;
- __le32 byte_64_se_cqe_idx;
+ __le32 byte_4_pg_ceqn;
+ __le32 byte_8_cqn;
+ __le32 cqe_cur_blk_addr;
+ __le32 byte_16_hop_addr;
+ __le32 cqe_nxt_blk_addr;
+ __le32 byte_24_pgsz_addr;
+ __le32 byte_28_cq_pi;
+ __le32 byte_32_cq_ci;
+ __le32 cqe_ba;
+ __le32 byte_40_cqe_ba;
+ __le32 byte_44_db_record;
+ __le32 db_record_addr;
+ __le32 byte_52_cqe_cnt;
+ __le32 byte_56_cqe_period_maxcnt;
+ __le32 cqe_report_timer;
+ __le32 byte_64_se_cqe_idx;
};
+
#define HNS_ROCE_V2_CQ_DEFAULT_BURST_NUM 0x0
#define HNS_ROCE_V2_CQ_DEFAULT_INTERVAL 0x0
@@ -356,6 +361,10 @@ struct hns_roce_v2_cq_context {
#define V2_CQC_BYTE_64_SE_CQE_IDX_S 0
#define V2_CQC_BYTE_64_SE_CQE_IDX_M GENMASK(23, 0)
+#define CQC_FIELD_LOC(h, l) FIELD_LOC(struct hns_roce_v2_cq_context, h, l)
+
+#define CQC_STASH CQC_FIELD_LOC(63, 63)
+
struct hns_roce_srq_context {
__le32 byte_4_srqn_srqst;
__le32 byte_8_limit_wl;
@@ -457,68 +466,72 @@ enum hns_roce_v2_qp_state {
HNS_ROCE_QP_NUM_ST
};
+struct hns_roce_v2_qp_context_ex {
+ __le32 data[64];
+};
struct hns_roce_v2_qp_context {
- __le32 byte_4_sqpn_tst;
- __le32 wqe_sge_ba;
- __le32 byte_12_sq_hop;
- __le32 byte_16_buf_ba_pg_sz;
- __le32 byte_20_smac_sgid_idx;
- __le32 byte_24_mtu_tc;
- __le32 byte_28_at_fl;
- u8 dgid[GID_LEN_V2];
- __le32 dmac;
- __le32 byte_52_udpspn_dmac;
- __le32 byte_56_dqpn_err;
- __le32 byte_60_qpst_tempid;
- __le32 qkey_xrcd;
- __le32 byte_68_rq_db;
- __le32 rq_db_record_addr;
- __le32 byte_76_srqn_op_en;
- __le32 byte_80_rnr_rx_cqn;
- __le32 byte_84_rq_ci_pi;
- __le32 rq_cur_blk_addr;
- __le32 byte_92_srq_info;
- __le32 byte_96_rx_reqmsn;
- __le32 rq_nxt_blk_addr;
- __le32 byte_104_rq_sge;
- __le32 byte_108_rx_reqepsn;
- __le32 rq_rnr_timer;
- __le32 rx_msg_len;
- __le32 rx_rkey_pkt_info;
- __le64 rx_va;
- __le32 byte_132_trrl;
- __le32 trrl_ba;
- __le32 byte_140_raq;
- __le32 byte_144_raq;
- __le32 byte_148_raq;
- __le32 byte_152_raq;
- __le32 byte_156_raq;
- __le32 byte_160_sq_ci_pi;
- __le32 sq_cur_blk_addr;
- __le32 byte_168_irrl_idx;
- __le32 byte_172_sq_psn;
- __le32 byte_176_msg_pktn;
- __le32 sq_cur_sge_blk_addr;
- __le32 byte_184_irrl_idx;
- __le32 cur_sge_offset;
- __le32 byte_192_ext_sge;
- __le32 byte_196_sq_psn;
- __le32 byte_200_sq_max;
- __le32 irrl_ba;
- __le32 byte_208_irrl;
- __le32 byte_212_lsn;
- __le32 sq_timer;
- __le32 byte_220_retry_psn_msn;
- __le32 byte_224_retry_msg;
- __le32 rx_sq_cur_blk_addr;
- __le32 byte_232_irrl_sge;
- __le32 irrl_cur_sge_offset;
- __le32 byte_240_irrl_tail;
- __le32 byte_244_rnr_rxack;
- __le32 byte_248_ack_psn;
- __le32 byte_252_err_txcqn;
- __le32 byte_256_sqflush_rqcqe;
- __le32 ext[64];
+ __le32 byte_4_sqpn_tst;
+ __le32 wqe_sge_ba;
+ __le32 byte_12_sq_hop;
+ __le32 byte_16_buf_ba_pg_sz;
+ __le32 byte_20_smac_sgid_idx;
+ __le32 byte_24_mtu_tc;
+ __le32 byte_28_at_fl;
+ u8 dgid[GID_LEN_V2];
+ __le32 dmac;
+ __le32 byte_52_udpspn_dmac;
+ __le32 byte_56_dqpn_err;
+ __le32 byte_60_qpst_tempid;
+ __le32 qkey_xrcd;
+ __le32 byte_68_rq_db;
+ __le32 rq_db_record_addr;
+ __le32 byte_76_srqn_op_en;
+ __le32 byte_80_rnr_rx_cqn;
+ __le32 byte_84_rq_ci_pi;
+ __le32 rq_cur_blk_addr;
+ __le32 byte_92_srq_info;
+ __le32 byte_96_rx_reqmsn;
+ __le32 rq_nxt_blk_addr;
+ __le32 byte_104_rq_sge;
+ __le32 byte_108_rx_reqepsn;
+ __le32 rq_rnr_timer;
+ __le32 rx_msg_len;
+ __le32 rx_rkey_pkt_info;
+ __le64 rx_va;
+ __le32 byte_132_trrl;
+ __le32 trrl_ba;
+ __le32 byte_140_raq;
+ __le32 byte_144_raq;
+ __le32 byte_148_raq;
+ __le32 byte_152_raq;
+ __le32 byte_156_raq;
+ __le32 byte_160_sq_ci_pi;
+ __le32 sq_cur_blk_addr;
+ __le32 byte_168_irrl_idx;
+ __le32 byte_172_sq_psn;
+ __le32 byte_176_msg_pktn;
+ __le32 sq_cur_sge_blk_addr;
+ __le32 byte_184_irrl_idx;
+ __le32 cur_sge_offset;
+ __le32 byte_192_ext_sge;
+ __le32 byte_196_sq_psn;
+ __le32 byte_200_sq_max;
+ __le32 irrl_ba;
+ __le32 byte_208_irrl;
+ __le32 byte_212_lsn;
+ __le32 sq_timer;
+ __le32 byte_220_retry_psn_msn;
+ __le32 byte_224_retry_msg;
+ __le32 rx_sq_cur_blk_addr;
+ __le32 byte_232_irrl_sge;
+ __le32 irrl_cur_sge_offset;
+ __le32 byte_240_irrl_tail;
+ __le32 byte_244_rnr_rxack;
+ __le32 byte_248_ack_psn;
+ __le32 byte_252_err_txcqn;
+ __le32 byte_256_sqflush_rqcqe;
+
+ struct hns_roce_v2_qp_context_ex ext;
};
#define V2_QPC_BYTE_4_TST_S 0
@@ -887,6 +900,10 @@ struct hns_roce_v2_qp_context {
#define V2_QPC_BYTE_256_SQ_FLUSH_IDX_S 16
#define V2_QPC_BYTE_256_SQ_FLUSH_IDX_M GENMASK(31, 16)
+#define QPCEX_FIELD_LOC(h, l) FIELD_LOC(struct hns_roce_v2_qp_context_ex, h, l)
+
+#define QPCEX_STASH QPCEX_FIELD_LOC(82, 82)
+
#define V2_QP_RWE_S 1 /* rdma write enable */
#define V2_QP_RRE_S 2 /* rdma read enable */
#define V2_QP_ATE_S 3 /* rdma atomic enable */
@@ -1073,8 +1090,9 @@ struct hns_roce_v2_ud_send_wqe {
__le32 byte_32;
__le32 byte_36;
__le32 byte_40;
- __le32 dmac;
- __le32 byte_48;
+ u8 dmac[ETH_ALEN];
+ u8 sgid_index;
+ u8 smac_index;
u8 dgid[GID_LEN_V2];
};
@@ -1117,37 +1135,10 @@ struct hns_roce_v2_ud_send_wqe {
#define V2_UD_SEND_WQE_BYTE_40_SL_S 20
#define V2_UD_SEND_WQE_BYTE_40_SL_M GENMASK(23, 20)
-#define V2_UD_SEND_WQE_BYTE_40_PORTN_S 24
-#define V2_UD_SEND_WQE_BYTE_40_PORTN_M GENMASK(26, 24)
-
#define V2_UD_SEND_WQE_BYTE_40_UD_VLAN_EN_S 30
#define V2_UD_SEND_WQE_BYTE_40_LBI_S 31
-#define V2_UD_SEND_WQE_DMAC_0_S 0
-#define V2_UD_SEND_WQE_DMAC_0_M GENMASK(7, 0)
-
-#define V2_UD_SEND_WQE_DMAC_1_S 8
-#define V2_UD_SEND_WQE_DMAC_1_M GENMASK(15, 8)
-
-#define V2_UD_SEND_WQE_DMAC_2_S 16
-#define V2_UD_SEND_WQE_DMAC_2_M GENMASK(23, 16)
-
-#define V2_UD_SEND_WQE_DMAC_3_S 24
-#define V2_UD_SEND_WQE_DMAC_3_M GENMASK(31, 24)
-
-#define V2_UD_SEND_WQE_BYTE_48_DMAC_4_S 0
-#define V2_UD_SEND_WQE_BYTE_48_DMAC_4_M GENMASK(7, 0)
-
-#define V2_UD_SEND_WQE_BYTE_48_DMAC_5_S 8
-#define V2_UD_SEND_WQE_BYTE_48_DMAC_5_M GENMASK(15, 8)
-
-#define V2_UD_SEND_WQE_BYTE_48_SGID_INDX_S 16
-#define V2_UD_SEND_WQE_BYTE_48_SGID_INDX_M GENMASK(23, 16)
-
-#define V2_UD_SEND_WQE_BYTE_48_SMAC_INDX_S 24
-#define V2_UD_SEND_WQE_BYTE_48_SMAC_INDX_M GENMASK(31, 24)
-
struct hns_roce_v2_rc_send_wqe {
__le32 byte_4;
__le32 msg_len;
@@ -1334,7 +1325,7 @@ struct hns_roce_pf_res_b {
__le32 sgid_idx_num;
__le32 qid_idx_sl_num;
__le32 sccc_bt_idx_num;
- __le32 rsv;
+ __le32 gmv_idx_num;
};
#define PF_RES_DATA_1_PF_SMAC_IDX_S 0
@@ -1361,6 +1352,12 @@ struct hns_roce_pf_res_b {
#define PF_RES_DATA_4_PF_SCCC_BT_NUM_S 9
#define PF_RES_DATA_4_PF_SCCC_BT_NUM_M GENMASK(17, 9)
+#define PF_RES_DATA_5_PF_GMV_BT_IDX_S 0
+#define PF_RES_DATA_5_PF_GMV_BT_IDX_M GENMASK(7, 0)
+
+#define PF_RES_DATA_5_PF_GMV_BT_NUM_S 8
+#define PF_RES_DATA_5_PF_GMV_BT_NUM_M GENMASK(16, 8)
+
struct hns_roce_pf_timer_res_a {
__le32 rsv0;
__le32 qpc_timer_bt_idx_num;
@@ -1425,7 +1422,7 @@ struct hns_roce_vf_res_b {
__le32 vf_sgid_idx_num;
__le32 vf_qid_idx_sl_num;
__le32 vf_sccc_idx_num;
- __le32 rsv1;
+ __le32 vf_gmv_idx_num;
};
#define VF_RES_B_DATA_0_VF_ID_S 0
@@ -1455,6 +1452,12 @@ struct hns_roce_vf_res_b {
#define VF_RES_B_DATA_4_VF_SCCC_BT_NUM_S 9
#define VF_RES_B_DATA_4_VF_SCCC_BT_NUM_M GENMASK(17, 9)
+#define VF_RES_B_DATA_5_VF_GMV_BT_IDX_S 0
+#define VF_RES_B_DATA_5_VF_GMV_BT_IDX_M GENMASK(7, 0)
+
+#define VF_RES_B_DATA_5_VF_GMV_BT_NUM_S 16
+#define VF_RES_B_DATA_5_VF_GMV_BT_NUM_M GENMASK(24, 16)
+
struct hns_roce_vf_switch {
__le32 rocee_sel;
__le32 fun_id;
@@ -1577,6 +1580,46 @@ struct hns_roce_cfg_smac_tb {
#define CFG_SMAC_TB_VF_SMAC_H_S 0
#define CFG_SMAC_TB_VF_SMAC_H_M GENMASK(15, 0)
+struct hns_roce_cfg_gmv_bt {
+ __le32 gmv_ba_l;
+ __le32 gmv_ba_h;
+ __le32 gmv_bt_idx;
+ __le32 rsv[3];
+};
+
+#define CFG_GMV_BA_H_S 0
+#define CFG_GMV_BA_H_M GENMASK(19, 0)
+
+struct hns_roce_cfg_gmv_tb_a {
+ __le32 vf_sgid_l;
+ __le32 vf_sgid_ml;
+ __le32 vf_sgid_mh;
+ __le32 vf_sgid_h;
+ __le32 vf_sgid_type_vlan;
+ __le32 resv;
+};
+
+#define CFG_GMV_TB_SGID_IDX_S 0
+#define CFG_GMV_TB_SGID_IDX_M GENMASK(7, 0)
+
+#define CFG_GMV_TB_VF_SGID_TYPE_S 0
+#define CFG_GMV_TB_VF_SGID_TYPE_M GENMASK(1, 0)
+
+#define CFG_GMV_TB_VF_VLAN_EN_S 2
+
+#define CFG_GMV_TB_VF_VLAN_ID_S 16
+#define CFG_GMV_TB_VF_VLAN_ID_M GENMASK(27, 16)
+
+struct hns_roce_cfg_gmv_tb_b {
+ __le32 vf_smac_l;
+ __le32 vf_smac_h;
+ __le32 table_idx_rsv;
+ __le32 resv[3];
+};
+
+#define CFG_GMV_TB_SMAC_H_S 0
+#define CFG_GMV_TB_SMAC_H_M GENMASK(15, 0)
+
#define HNS_ROCE_QUERY_PF_CAPS_CMD_NUM 5
struct hns_roce_query_pf_caps_a {
u8 number_ports;
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index afeffafc59f9..f01590d8c3cf 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -33,6 +33,7 @@
#include <linux/acpi.h>
#include <linux/of_platform.h>
#include <linux/module.h>
+#include <linux/pci.h>
#include <rdma/ib_addr.h>
#include <rdma/ib_smi.h>
#include <rdma/ib_user_verbs.h>
@@ -61,7 +62,10 @@ int hns_get_gid_index(struct hns_roce_dev *hr_dev, u8 port, int gid_index)
static int hns_roce_set_mac(struct hns_roce_dev *hr_dev, u8 port, u8 *addr)
{
u8 phy_port;
- u32 i = 0;
+ u32 i;
+
+ if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP09)
+ return 0;
if (!memcmp(hr_dev->dev_addr[port], addr, ETH_ALEN))
return 0;
@@ -90,14 +94,13 @@ static int hns_roce_add_gid(const struct ib_gid_attr *attr, void **context)
static int hns_roce_del_gid(const struct ib_gid_attr *attr, void **context)
{
struct hns_roce_dev *hr_dev = to_hr_dev(attr->device);
- struct ib_gid_attr zattr = {};
u8 port = attr->port_num - 1;
int ret;
if (port >= hr_dev->caps.num_ports)
return -EINVAL;
- ret = hr_dev->hw->set_gid(hr_dev, port, attr->index, &zgid, &zattr);
+ ret = hr_dev->hw->set_gid(hr_dev, port, attr->index, NULL, NULL);
return ret;
}
@@ -421,6 +424,7 @@ static const struct ib_device_ops hns_roce_dev_ops = {
.alloc_pd = hns_roce_alloc_pd,
.alloc_ucontext = hns_roce_alloc_ucontext,
.create_ah = hns_roce_create_ah,
+ .create_user_ah = hns_roce_create_ah,
.create_cq = hns_roce_create_cq,
.create_qp = hns_roce_create_qp,
.dealloc_pd = hns_roce_dealloc_pd,
@@ -491,36 +495,13 @@ static int hns_roce_register_device(struct hns_roce_dev *hr_dev)
ib_dev->phys_port_cnt = hr_dev->caps.num_ports;
ib_dev->local_dma_lkey = hr_dev->caps.reserved_lkey;
ib_dev->num_comp_vectors = hr_dev->caps.num_comp_vectors;
- ib_dev->uverbs_cmd_mask =
- (1ULL << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ULL << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ULL << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ULL << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ULL << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ULL << IB_USER_VERBS_CMD_REG_MR) |
- (1ULL << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ULL << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ULL << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ULL << IB_USER_VERBS_CMD_DESTROY_CQ) |
- (1ULL << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ULL << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ULL << IB_USER_VERBS_CMD_QUERY_QP) |
- (1ULL << IB_USER_VERBS_CMD_DESTROY_QP);
-
- ib_dev->uverbs_ex_cmd_mask |= (1ULL << IB_USER_VERBS_EX_CMD_MODIFY_CQ);
-
- if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_REREG_MR) {
- ib_dev->uverbs_cmd_mask |= (1ULL << IB_USER_VERBS_CMD_REREG_MR);
+
+ if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_REREG_MR)
ib_set_device_ops(ib_dev, &hns_roce_dev_mr_ops);
- }
/* MW */
- if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_MW) {
- ib_dev->uverbs_cmd_mask |=
- (1ULL << IB_USER_VERBS_CMD_ALLOC_MW) |
- (1ULL << IB_USER_VERBS_CMD_DEALLOC_MW);
+ if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_MW)
ib_set_device_ops(ib_dev, &hns_roce_dev_mw_ops);
- }
/* FRMR */
if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_FRMR)
@@ -528,12 +509,6 @@ static int hns_roce_register_device(struct hns_roce_dev *hr_dev)
/* SRQ */
if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_SRQ) {
- ib_dev->uverbs_cmd_mask |=
- (1ULL << IB_USER_VERBS_CMD_CREATE_SRQ) |
- (1ULL << IB_USER_VERBS_CMD_MODIFY_SRQ) |
- (1ULL << IB_USER_VERBS_CMD_QUERY_SRQ) |
- (1ULL << IB_USER_VERBS_CMD_DESTROY_SRQ) |
- (1ULL << IB_USER_VERBS_CMD_POST_SRQ_RECV);
ib_set_device_ops(ib_dev, &hns_roce_dev_srq_ops);
ib_set_device_ops(ib_dev, hr_dev->hw->hns_roce_dev_srq_ops);
}
@@ -680,8 +655,25 @@ static int hns_roce_init_hem(struct hns_roce_dev *hr_dev)
}
}
+ if (hr_dev->caps.gmv_entry_sz) {
+ ret = hns_roce_init_hem_table(hr_dev, &hr_dev->gmv_table,
+ HEM_TYPE_GMV,
+ hr_dev->caps.gmv_entry_sz,
+ hr_dev->caps.gmv_entry_num, 1);
+ if (ret) {
+ dev_err(dev,
+ "failed to init gmv table memory, ret = %d\n",
+ ret);
+ goto err_unmap_cqc_timer;
+ }
+ }
+
return 0;
+err_unmap_cqc_timer:
+ if (hr_dev->caps.cqc_timer_entry_sz)
+ hns_roce_cleanup_hem_table(hr_dev, &hr_dev->cqc_timer_table);
+
err_unmap_qpc_timer:
if (hr_dev->caps.qpc_timer_entry_sz)
hns_roce_cleanup_hem_table(hr_dev, &hr_dev->qpc_timer_table);
diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c
index 7f81a695e9af..87e2e6236c69 100644
--- a/drivers/infiniband/hw/hns/hns_roce_mr.c
+++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
@@ -695,15 +695,6 @@ static inline size_t mtr_bufs_size(struct hns_roce_buf_attr *attr)
return size;
}
-static inline size_t mtr_kmem_direct_size(bool is_direct, size_t alloc_size,
- unsigned int page_shift)
-{
- if (is_direct)
- return ALIGN(alloc_size, 1 << page_shift);
- else
- return HNS_HW_DIRECT_PAGE_COUNT << page_shift;
-}
-
/*
* check the given pages in continuous address space
* Returns 0 on success, or the error page num.
@@ -732,7 +723,6 @@ static void mtr_free_bufs(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr)
/* release kernel buffers */
if (mtr->kmem) {
hns_roce_buf_free(hr_dev, mtr->kmem);
- kfree(mtr->kmem);
mtr->kmem = NULL;
}
}
@@ -744,13 +734,12 @@ static int mtr_alloc_bufs(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr,
struct ib_device *ibdev = &hr_dev->ib_dev;
unsigned int best_pg_shift;
int all_pg_count = 0;
- size_t direct_size;
size_t total_size;
int ret;
total_size = mtr_bufs_size(buf_attr);
if (total_size < 1) {
- ibdev_err(ibdev, "Failed to check mtr size\n");
+ ibdev_err(ibdev, "failed to check mtr size\n.");
return -EINVAL;
}
@@ -762,7 +751,7 @@ static int mtr_alloc_bufs(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr,
mtr->umem = ib_umem_get(ibdev, user_addr, total_size,
buf_attr->user_access);
if (IS_ERR_OR_NULL(mtr->umem)) {
- ibdev_err(ibdev, "Failed to get umem, ret %ld\n",
+ ibdev_err(ibdev, "failed to get umem, ret = %ld.\n",
PTR_ERR(mtr->umem));
return -ENOMEM;
}
@@ -780,19 +769,16 @@ static int mtr_alloc_bufs(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr,
ret = 0;
} else {
mtr->umem = NULL;
- mtr->kmem = kzalloc(sizeof(*mtr->kmem), GFP_KERNEL);
- if (!mtr->kmem) {
- ibdev_err(ibdev, "Failed to alloc kmem\n");
- return -ENOMEM;
- }
- direct_size = mtr_kmem_direct_size(is_direct, total_size,
- buf_attr->page_shift);
- ret = hns_roce_buf_alloc(hr_dev, total_size, direct_size,
- mtr->kmem, buf_attr->page_shift);
- if (ret) {
- ibdev_err(ibdev, "Failed to alloc kmem, ret %d\n", ret);
- goto err_alloc_mem;
+ mtr->kmem =
+ hns_roce_buf_alloc(hr_dev, total_size,
+ buf_attr->page_shift,
+ is_direct ? HNS_ROCE_BUF_DIRECT : 0);
+ if (IS_ERR(mtr->kmem)) {
+ ibdev_err(ibdev, "failed to alloc kmem, ret = %ld.\n",
+ PTR_ERR(mtr->kmem));
+ return PTR_ERR(mtr->kmem);
}
+
best_pg_shift = buf_attr->page_shift;
all_pg_count = mtr->kmem->npages;
}
@@ -800,7 +786,8 @@ static int mtr_alloc_bufs(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr,
/* must bigger than minimum hardware page shift */
if (best_pg_shift < HNS_HW_PAGE_SHIFT || all_pg_count < 1) {
ret = -EINVAL;
- ibdev_err(ibdev, "Failed to check mtr page shift %d count %d\n",
+ ibdev_err(ibdev,
+ "failed to check mtr, page shift = %u count = %d.\n",
best_pg_shift, all_pg_count);
goto err_alloc_mem;
}
diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index 6c081dd985fc..62da30a1575a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -154,9 +154,50 @@ static void hns_roce_ib_qp_event(struct hns_roce_qp *hr_qp,
}
}
+static u8 get_least_load_bankid_for_qp(struct hns_roce_bank *bank)
+{
+ u32 least_load = bank[0].inuse;
+ u8 bankid = 0;
+ u32 bankcnt;
+ u8 i;
+
+ for (i = 1; i < HNS_ROCE_QP_BANK_NUM; i++) {
+ bankcnt = bank[i].inuse;
+ if (bankcnt < least_load) {
+ least_load = bankcnt;
+ bankid = i;
+ }
+ }
+
+ return bankid;
+}
+
+static int alloc_qpn_with_bankid(struct hns_roce_bank *bank, u8 bankid,
+ unsigned long *qpn)
+{
+ int id;
+
+ id = ida_alloc_range(&bank->ida, bank->next, bank->max, GFP_KERNEL);
+ if (id < 0) {
+ id = ida_alloc_range(&bank->ida, bank->min, bank->max,
+ GFP_KERNEL);
+ if (id < 0)
+ return id;
+ }
+
+ /* the QPN should keep increasing until the max value is reached. */
+ bank->next = (id + 1) > bank->max ? bank->min : id + 1;
+
+ /* the lower 3 bits is bankid */
+ *qpn = (id << 3) | bankid;
+
+ return 0;
+}
static int alloc_qpn(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
{
+ struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
unsigned long num = 0;
+ u8 bankid;
int ret;
if (hr_qp->ibqp.qp_type == IB_QPT_GSI) {
@@ -169,13 +210,21 @@ static int alloc_qpn(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
hr_qp->doorbell_qpn = 1;
} else {
- ret = hns_roce_bitmap_alloc_range(&hr_dev->qp_table.bitmap,
- 1, 1, &num);
+ spin_lock(&qp_table->bank_lock);
+ bankid = get_least_load_bankid_for_qp(qp_table->bank);
+
+ ret = alloc_qpn_with_bankid(&qp_table->bank[bankid], bankid,
+ &num);
if (ret) {
- ibdev_err(&hr_dev->ib_dev, "Failed to alloc bitmap\n");
- return -ENOMEM;
+ ibdev_err(&hr_dev->ib_dev,
+ "failed to alloc QPN, ret = %d\n", ret);
+ spin_unlock(&qp_table->bank_lock);
+ return ret;
}
+ qp_table->bank[bankid].inuse++;
+ spin_unlock(&qp_table->bank_lock);
+
hr_qp->doorbell_qpn = (u32)num;
}
@@ -340,9 +389,15 @@ static void free_qpc(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
hns_roce_table_put(hr_dev, &qp_table->irrl_table, hr_qp->qpn);
}
+static inline u8 get_qp_bankid(unsigned long qpn)
+{
+ /* The lower 3 bits of QPN are used to hash to different banks */
+ return (u8)(qpn & GENMASK(2, 0));
+}
+
static void free_qpn(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
{
- struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
+ u8 bankid;
if (hr_qp->ibqp.qp_type == IB_QPT_GSI)
return;
@@ -350,7 +405,13 @@ static void free_qpn(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
if (hr_qp->qpn < hr_dev->caps.reserved_qps)
return;
- hns_roce_bitmap_free_range(&qp_table->bitmap, hr_qp->qpn, 1, BITMAP_RR);
+ bankid = get_qp_bankid(hr_qp->qpn);
+
+ ida_free(&hr_dev->qp_table.bank[bankid].ida, hr_qp->qpn >> 3);
+
+ spin_lock(&hr_dev->qp_table.bank_lock);
+ hr_dev->qp_table.bank[bankid].inuse--;
+ spin_unlock(&hr_dev->qp_table.bank_lock);
}
static int set_rq_size(struct hns_roce_dev *hr_dev, struct ib_qp_cap *cap,
@@ -725,6 +786,9 @@ static int alloc_qp_db(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp,
struct ib_device *ibdev = &hr_dev->ib_dev;
int ret;
+ if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_SDI_MODE)
+ hr_qp->en_flags |= HNS_ROCE_QP_CAP_OWNER_DB;
+
if (udata) {
if (user_qp_has_sdb(hr_dev, init_attr, udata, resp, ucmd)) {
ret = hns_roce_db_map_user(uctx, udata, ucmd->sdb_addr,
@@ -869,17 +933,6 @@ static int set_qp_param(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp,
if (ret)
ibdev_err(ibdev, "Failed to set user SQ size\n");
} else {
- if (init_attr->create_flags &
- IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) {
- ibdev_err(ibdev, "Failed to check multicast loopback\n");
- return -EINVAL;
- }
-
- if (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) {
- ibdev_err(ibdev, "Failed to check ipoib ud lso\n");
- return -EINVAL;
- }
-
ret = set_kernel_sq_size(hr_dev, &init_attr->cap, hr_qp);
if (ret)
ibdev_err(ibdev, "Failed to set kernel SQ size\n");
@@ -906,6 +959,9 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev,
hr_qp->state = IB_QPS_RESET;
hr_qp->flush_flag = 0;
+ if (init_attr->create_flags)
+ return -EOPNOTSUPP;
+
ret = set_qp_param(hr_dev, hr_qp, init_attr, udata, &ucmd);
if (ret) {
ibdev_err(ibdev, "Failed to set QP param\n");
@@ -1003,6 +1059,30 @@ void hns_roce_qp_destroy(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp,
kfree(hr_qp);
}
+static int check_qp_type(struct hns_roce_dev *hr_dev, enum ib_qp_type type,
+ bool is_user)
+{
+ switch (type) {
+ case IB_QPT_UD:
+ if (hr_dev->pci_dev->revision <= PCI_REVISION_ID_HIP08 &&
+ is_user)
+ goto out;
+ fallthrough;
+ case IB_QPT_RC:
+ case IB_QPT_GSI:
+ break;
+ default:
+ goto out;
+ }
+
+ return 0;
+
+out:
+ ibdev_err(&hr_dev->ib_dev, "not support QP type %d\n", type);
+
+ return -EOPNOTSUPP;
+}
+
struct ib_qp *hns_roce_create_qp(struct ib_pd *pd,
struct ib_qp_init_attr *init_attr,
struct ib_udata *udata)
@@ -1012,15 +1092,9 @@ struct ib_qp *hns_roce_create_qp(struct ib_pd *pd,
struct hns_roce_qp *hr_qp;
int ret;
- switch (init_attr->qp_type) {
- case IB_QPT_RC:
- case IB_QPT_GSI:
- break;
- default:
- ibdev_err(ibdev, "not support QP type %d\n",
- init_attr->qp_type);
- return ERR_PTR(-EOPNOTSUPP);
- }
+ ret = check_qp_type(hr_dev, init_attr->qp_type, !!udata);
+ if (ret)
+ return ERR_PTR(ret);
hr_qp = kzalloc(sizeof(*hr_qp), GFP_KERNEL);
if (!hr_qp)
@@ -1035,10 +1109,11 @@ struct ib_qp *hns_roce_create_qp(struct ib_pd *pd,
if (ret) {
ibdev_err(ibdev, "Create QP type 0x%x failed(%d)\n",
init_attr->qp_type, ret);
- ibdev_err(ibdev, "Create GSI QP failed!\n");
+
kfree(hr_qp);
return ERR_PTR(ret);
}
+
return &hr_qp->ibqp;
}
@@ -1280,22 +1355,24 @@ bool hns_roce_wq_overflow(struct hns_roce_wq *hr_wq, int nreq,
int hns_roce_init_qp_table(struct hns_roce_dev *hr_dev)
{
struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
- int reserved_from_top = 0;
- int reserved_from_bot;
- int ret;
+ unsigned int reserved_from_bot;
+ unsigned int i;
mutex_init(&qp_table->scc_mutex);
xa_init(&hr_dev->qp_table_xa);
reserved_from_bot = hr_dev->caps.reserved_qps;
- ret = hns_roce_bitmap_init(&qp_table->bitmap, hr_dev->caps.num_qps,
- hr_dev->caps.num_qps - 1, reserved_from_bot,
- reserved_from_top);
- if (ret) {
- dev_err(hr_dev->dev, "qp bitmap init failed!error=%d\n",
- ret);
- return ret;
+ for (i = 0; i < reserved_from_bot; i++) {
+ hr_dev->qp_table.bank[get_qp_bankid(i)].inuse++;
+ hr_dev->qp_table.bank[get_qp_bankid(i)].min++;
+ }
+
+ for (i = 0; i < HNS_ROCE_QP_BANK_NUM; i++) {
+ ida_init(&hr_dev->qp_table.bank[i].ida);
+ hr_dev->qp_table.bank[i].max = hr_dev->caps.num_qps /
+ HNS_ROCE_QP_BANK_NUM - 1;
+ hr_dev->qp_table.bank[i].next = hr_dev->qp_table.bank[i].min;
}
return 0;
@@ -1303,5 +1380,8 @@ int hns_roce_init_qp_table(struct hns_roce_dev *hr_dev)
void hns_roce_cleanup_qp_table(struct hns_roce_dev *hr_dev)
{
- hns_roce_bitmap_cleanup(&hr_dev->qp_table.bitmap);
+ int i;
+
+ for (i = 0; i < HNS_ROCE_QP_BANK_NUM; i++)
+ ida_destroy(&hr_dev->qp_table.bank[i].ida);
}
diff --git a/drivers/infiniband/hw/hns/hns_roce_srq.c b/drivers/infiniband/hw/hns/hns_roce_srq.c
index 8caf74e44efd..27646b9e35df 100644
--- a/drivers/infiniband/hw/hns/hns_roce_srq.c
+++ b/drivers/infiniband/hw/hns/hns_roce_srq.c
@@ -288,6 +288,10 @@ int hns_roce_create_srq(struct ib_srq *ib_srq,
int ret;
u32 cqn;
+ if (init_attr->srq_type != IB_SRQT_BASIC &&
+ init_attr->srq_type != IB_SRQT_XRC)
+ return -EOPNOTSUPP;
+
/* Check the actual SRQ wqe and SRQ sge num */
if (init_attr->attr.max_wr >= hr_dev->caps.max_srq_wrs ||
init_attr->attr.max_sge > hr_dev->caps.max_srq_sges)
diff --git a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c
index 86d3f8aff329..7ed9826221c1 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c
@@ -5098,7 +5098,7 @@ void i40iw_vsi_stats_free(struct i40iw_sc_vsi *vsi)
i40iw_hw_stats_stop_timer(vsi);
}
-static struct i40iw_cqp_ops iw_cqp_ops = {
+static const struct i40iw_cqp_ops iw_cqp_ops = {
.cqp_init = i40iw_sc_cqp_init,
.cqp_create = i40iw_sc_cqp_create,
.cqp_post_sq = i40iw_sc_cqp_post_sq,
@@ -5107,7 +5107,7 @@ static struct i40iw_cqp_ops iw_cqp_ops = {
.poll_for_cqp_op_done = i40iw_sc_poll_for_cqp_op_done
};
-static struct i40iw_ccq_ops iw_ccq_ops = {
+static const struct i40iw_ccq_ops iw_ccq_ops = {
.ccq_init = i40iw_sc_ccq_init,
.ccq_create = i40iw_sc_ccq_create,
.ccq_destroy = i40iw_sc_ccq_destroy,
@@ -5116,7 +5116,7 @@ static struct i40iw_ccq_ops iw_ccq_ops = {
.ccq_arm = i40iw_sc_ccq_arm
};
-static struct i40iw_ceq_ops iw_ceq_ops = {
+static const struct i40iw_ceq_ops iw_ceq_ops = {
.ceq_init = i40iw_sc_ceq_init,
.ceq_create = i40iw_sc_ceq_create,
.cceq_create_done = i40iw_sc_cceq_create_done,
@@ -5126,7 +5126,7 @@ static struct i40iw_ceq_ops iw_ceq_ops = {
.process_ceq = i40iw_sc_process_ceq
};
-static struct i40iw_aeq_ops iw_aeq_ops = {
+static const struct i40iw_aeq_ops iw_aeq_ops = {
.aeq_init = i40iw_sc_aeq_init,
.aeq_create = i40iw_sc_aeq_create,
.aeq_destroy = i40iw_sc_aeq_destroy,
@@ -5137,11 +5137,11 @@ static struct i40iw_aeq_ops iw_aeq_ops = {
};
/* iwarp pd ops */
-static struct i40iw_pd_ops iw_pd_ops = {
+static const struct i40iw_pd_ops iw_pd_ops = {
.pd_init = i40iw_sc_pd_init,
};
-static struct i40iw_priv_qp_ops iw_priv_qp_ops = {
+static const struct i40iw_priv_qp_ops iw_priv_qp_ops = {
.qp_init = i40iw_sc_qp_init,
.qp_create = i40iw_sc_qp_create,
.qp_modify = i40iw_sc_qp_modify,
@@ -5156,14 +5156,14 @@ static struct i40iw_priv_qp_ops iw_priv_qp_ops = {
.iw_mr_fast_register = i40iw_sc_mr_fast_register
};
-static struct i40iw_priv_cq_ops iw_priv_cq_ops = {
+static const struct i40iw_priv_cq_ops iw_priv_cq_ops = {
.cq_init = i40iw_sc_cq_init,
.cq_create = i40iw_sc_cq_create,
.cq_destroy = i40iw_sc_cq_destroy,
.cq_modify = i40iw_sc_cq_modify,
};
-static struct i40iw_mr_ops iw_mr_ops = {
+static const struct i40iw_mr_ops iw_mr_ops = {
.alloc_stag = i40iw_sc_alloc_stag,
.mr_reg_non_shared = i40iw_sc_mr_reg_non_shared,
.mr_reg_shared = i40iw_sc_mr_reg_shared,
@@ -5172,7 +5172,7 @@ static struct i40iw_mr_ops iw_mr_ops = {
.mw_alloc = i40iw_sc_mw_alloc
};
-static struct i40iw_cqp_misc_ops iw_cqp_misc_ops = {
+static const struct i40iw_cqp_misc_ops iw_cqp_misc_ops = {
.manage_push_page = i40iw_sc_manage_push_page,
.manage_hmc_pm_func_table = i40iw_sc_manage_hmc_pm_func_table,
.set_hmc_resource_profile = i40iw_sc_set_hmc_resource_profile,
@@ -5195,7 +5195,7 @@ static struct i40iw_cqp_misc_ops iw_cqp_misc_ops = {
.update_resume_qp = i40iw_sc_resume_qp
};
-static struct i40iw_hmc_ops iw_hmc_ops = {
+static const struct i40iw_hmc_ops iw_hmc_ops = {
.init_iw_hmc = i40iw_sc_init_iw_hmc,
.parse_fpm_query_buf = i40iw_sc_parse_fpm_query_buf,
.configure_iw_fpm = i40iw_sc_configure_iw_fpm,
diff --git a/drivers/infiniband/hw/i40iw/i40iw_type.h b/drivers/infiniband/hw/i40iw/i40iw_type.h
index c3babf3cbb8e..1dbf3991cc54 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_type.h
+++ b/drivers/infiniband/hw/i40iw/i40iw_type.h
@@ -493,16 +493,16 @@ struct i40iw_sc_dev {
struct i40iw_sc_aeq *aeq;
struct i40iw_sc_ceq *ceq[I40IW_CEQ_MAX_COUNT];
struct i40iw_sc_cq *ccq;
- struct i40iw_cqp_ops *cqp_ops;
- struct i40iw_ccq_ops *ccq_ops;
- struct i40iw_ceq_ops *ceq_ops;
- struct i40iw_aeq_ops *aeq_ops;
- struct i40iw_pd_ops *iw_pd_ops;
- struct i40iw_priv_qp_ops *iw_priv_qp_ops;
- struct i40iw_priv_cq_ops *iw_priv_cq_ops;
- struct i40iw_mr_ops *mr_ops;
- struct i40iw_cqp_misc_ops *cqp_misc_ops;
- struct i40iw_hmc_ops *hmc_ops;
+ const struct i40iw_cqp_ops *cqp_ops;
+ const struct i40iw_ccq_ops *ccq_ops;
+ const struct i40iw_ceq_ops *ceq_ops;
+ const struct i40iw_aeq_ops *aeq_ops;
+ const struct i40iw_pd_ops *iw_pd_ops;
+ const struct i40iw_priv_qp_ops *iw_priv_qp_ops;
+ const struct i40iw_priv_cq_ops *iw_priv_cq_ops;
+ const struct i40iw_mr_ops *mr_ops;
+ const struct i40iw_cqp_misc_ops *cqp_misc_ops;
+ const struct i40iw_hmc_ops *hmc_ops;
struct i40iw_vchnl_if vchnl_if;
const struct i40iw_vf_cqp_ops *iw_vf_cqp_ops;
diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c
index 533f3caecb7a..aab69c6ddd7c 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c
@@ -533,7 +533,7 @@ static struct ib_qp *i40iw_create_qp(struct ib_pd *ibpd,
return ERR_PTR(-ENODEV);
if (init_attr->create_flags)
- return ERR_PTR(-EINVAL);
+ return ERR_PTR(-EOPNOTSUPP);
if (init_attr->cap.max_inline_data > I40IW_MAX_INLINE_DATA_SIZE)
init_attr->cap.max_inline_data = I40IW_MAX_INLINE_DATA_SIZE;
@@ -832,6 +832,9 @@ int i40iw_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
u32 err;
unsigned long flags;
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
memset(&info, 0, sizeof(info));
ctx_info = &iwqp->ctx_info;
iwarp_info = &iwqp->iwarp_info;
@@ -1081,6 +1084,9 @@ static int i40iw_create_cq(struct ib_cq *ibcq,
int err_code;
int entries = attr->cqe;
+ if (attr->flags)
+ return -EOPNOTSUPP;
+
if (iwdev->closing)
return -ENODEV;
@@ -2033,7 +2039,7 @@ static ssize_t hw_rev_show(struct device *dev,
rdma_device_to_drv_device(dev, struct i40iw_ib_device, ibdev);
u32 hw_rev = iwibdev->iwdev->sc_dev.hw_rev;
- return sprintf(buf, "%x\n", hw_rev);
+ return sysfs_emit(buf, "%x\n", hw_rev);
}
static DEVICE_ATTR_RO(hw_rev);
@@ -2043,7 +2049,7 @@ static DEVICE_ATTR_RO(hw_rev);
static ssize_t hca_type_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- return sprintf(buf, "I40IW\n");
+ return sysfs_emit(buf, "I40IW\n");
}
static DEVICE_ATTR_RO(hca_type);
@@ -2053,7 +2059,7 @@ static DEVICE_ATTR_RO(hca_type);
static ssize_t board_id_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- return sprintf(buf, "%.*s\n", 32, "I40IW Board ID");
+ return sysfs_emit(buf, "%.*s\n", 32, "I40IW Board ID");
}
static DEVICE_ATTR_RO(board_id);
@@ -2661,27 +2667,6 @@ static struct i40iw_ib_device *i40iw_init_rdma_device(struct i40iw_device *iwdev
iwibdev->ibdev.node_type = RDMA_NODE_RNIC;
ether_addr_copy((u8 *)&iwibdev->ibdev.node_guid, netdev->dev_addr);
- iwibdev->ibdev.uverbs_cmd_mask =
- (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_REG_MR) |
- (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
- (1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
- (1ull << IB_USER_VERBS_CMD_POLL_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_AH) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_AH) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
- (1ull << IB_USER_VERBS_CMD_POST_RECV) |
- (1ull << IB_USER_VERBS_CMD_POST_SEND);
iwibdev->ibdev.phys_port_cnt = 1;
iwibdev->ibdev.num_comp_vectors = iwdev->ceqs_count;
iwibdev->ibdev.dev.parent = &pcidev->dev;
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 8bd16474708f..f3ace85552f3 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -1523,6 +1523,7 @@ static void mlx4_ib_multiplex_mad(struct mlx4_ib_demux_pv_ctx *ctx, struct ib_wc
return;
} else
*slave_id = slave;
+ break;
default:
/* nothing */;
}
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index cd0fba6b0964..f0864f40ea1a 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -2024,7 +2024,8 @@ static ssize_t hca_type_show(struct device *device,
{
struct mlx4_ib_dev *dev =
rdma_device_to_drv_device(device, struct mlx4_ib_dev, ib_dev);
- return sprintf(buf, "MT%d\n", dev->dev->persist->pdev->device);
+
+ return sysfs_emit(buf, "MT%d\n", dev->dev->persist->pdev->device);
}
static DEVICE_ATTR_RO(hca_type);
@@ -2033,7 +2034,8 @@ static ssize_t hw_rev_show(struct device *device,
{
struct mlx4_ib_dev *dev =
rdma_device_to_drv_device(device, struct mlx4_ib_dev, ib_dev);
- return sprintf(buf, "%x\n", dev->dev->rev_id);
+
+ return sysfs_emit(buf, "%x\n", dev->dev->rev_id);
}
static DEVICE_ATTR_RO(hw_rev);
@@ -2043,8 +2045,7 @@ static ssize_t board_id_show(struct device *device,
struct mlx4_ib_dev *dev =
rdma_device_to_drv_device(device, struct mlx4_ib_dev, ib_dev);
- return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN,
- dev->dev->board_id);
+ return sysfs_emit(buf, "%.*s\n", MLX4_BOARD_ID_LEN, dev->dev->board_id);
}
static DEVICE_ATTR_RO(board_id);
@@ -2657,73 +2658,25 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors;
ibdev->ib_dev.dev.parent = &dev->persist->pdev->dev;
- ibdev->ib_dev.uverbs_cmd_mask =
- (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_REG_MR) |
- (1ull << IB_USER_VERBS_CMD_REREG_MR) |
- (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
- (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) |
- (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) |
- (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) |
- (1ull << IB_USER_VERBS_CMD_OPEN_QP);
-
ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_ops);
- ibdev->ib_dev.uverbs_ex_cmd_mask |=
- (1ull << IB_USER_VERBS_EX_CMD_MODIFY_CQ) |
- (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP);
if ((dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS) &&
((mlx4_ib_port_link_layer(&ibdev->ib_dev, 1) ==
IB_LINK_LAYER_ETHERNET) ||
(mlx4_ib_port_link_layer(&ibdev->ib_dev, 2) ==
- IB_LINK_LAYER_ETHERNET))) {
- ibdev->ib_dev.uverbs_ex_cmd_mask |=
- (1ull << IB_USER_VERBS_EX_CMD_CREATE_WQ) |
- (1ull << IB_USER_VERBS_EX_CMD_MODIFY_WQ) |
- (1ull << IB_USER_VERBS_EX_CMD_DESTROY_WQ) |
- (1ull << IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL) |
- (1ull << IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL);
+ IB_LINK_LAYER_ETHERNET)))
ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_wq_ops);
- }
if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW ||
- dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) {
- ibdev->ib_dev.uverbs_cmd_mask |=
- (1ull << IB_USER_VERBS_CMD_ALLOC_MW) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_MW);
+ dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN)
ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_mw_ops);
- }
if (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) {
- ibdev->ib_dev.uverbs_cmd_mask |=
- (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) |
- (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD);
ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_xrc_ops);
}
if (check_flow_steering_support(dev)) {
ibdev->steering_support = MLX4_STEERING_MODE_DEVICE_MANAGED;
- ibdev->ib_dev.uverbs_ex_cmd_mask |=
- (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) |
- (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW);
ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_fs_ops);
}
diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c
index 5e4ec9786081..33f525b744f2 100644
--- a/drivers/infiniband/hw/mlx4/mcg.c
+++ b/drivers/infiniband/hw/mlx4/mcg.c
@@ -988,53 +988,63 @@ int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port,
}
static ssize_t sysfs_show_group(struct device *dev,
- struct device_attribute *attr, char *buf)
+ struct device_attribute *attr, char *buf)
{
struct mcast_group *group =
container_of(attr, struct mcast_group, dentry);
struct mcast_req *req = NULL;
- char pending_str[40];
char state_str[40];
- ssize_t len = 0;
- int f;
+ char pending_str[40];
+ int len;
+ int i;
+ u32 hoplimit;
if (group->state == MCAST_IDLE)
- sprintf(state_str, "%s", get_state_string(group->state));
+ scnprintf(state_str, sizeof(state_str), "%s",
+ get_state_string(group->state));
else
- sprintf(state_str, "%s(TID=0x%llx)",
- get_state_string(group->state),
- be64_to_cpu(group->last_req_tid));
+ scnprintf(state_str, sizeof(state_str), "%s(TID=0x%llx)",
+ get_state_string(group->state),
+ be64_to_cpu(group->last_req_tid));
+
if (list_empty(&group->pending_list)) {
- sprintf(pending_str, "No");
+ scnprintf(pending_str, sizeof(pending_str), "No");
} else {
- req = list_first_entry(&group->pending_list, struct mcast_req, group_list);
- sprintf(pending_str, "Yes(TID=0x%llx)",
- be64_to_cpu(req->sa_mad.mad_hdr.tid));
+ req = list_first_entry(&group->pending_list, struct mcast_req,
+ group_list);
+ scnprintf(pending_str, sizeof(pending_str), "Yes(TID=0x%llx)",
+ be64_to_cpu(req->sa_mad.mad_hdr.tid));
}
- len += sprintf(buf + len, "%1d [%02d,%02d,%02d] %4d %4s %5s ",
- group->rec.scope_join_state & 0xf,
- group->members[2], group->members[1], group->members[0],
- atomic_read(&group->refcount),
- pending_str,
- state_str);
- for (f = 0; f < MAX_VFS; ++f)
- if (group->func[f].state == MCAST_MEMBER)
- len += sprintf(buf + len, "%d[%1x] ",
- f, group->func[f].join_state);
-
- len += sprintf(buf + len, "\t\t(%4hx %4x %2x %2x %2x %2x %2x "
- "%4x %4x %2x %2x)\n",
- be16_to_cpu(group->rec.pkey),
- be32_to_cpu(group->rec.qkey),
- (group->rec.mtusel_mtu & 0xc0) >> 6,
- group->rec.mtusel_mtu & 0x3f,
- group->rec.tclass,
- (group->rec.ratesel_rate & 0xc0) >> 6,
- group->rec.ratesel_rate & 0x3f,
- (be32_to_cpu(group->rec.sl_flowlabel_hoplimit) & 0xf0000000) >> 28,
- (be32_to_cpu(group->rec.sl_flowlabel_hoplimit) & 0x0fffff00) >> 8,
- be32_to_cpu(group->rec.sl_flowlabel_hoplimit) & 0x000000ff,
- group->rec.proxy_join);
+
+ len = sysfs_emit(buf, "%1d [%02d,%02d,%02d] %4d %4s %5s ",
+ group->rec.scope_join_state & 0xf,
+ group->members[2],
+ group->members[1],
+ group->members[0],
+ atomic_read(&group->refcount),
+ pending_str,
+ state_str);
+
+ for (i = 0; i < MAX_VFS; i++) {
+ if (group->func[i].state == MCAST_MEMBER)
+ len += sysfs_emit_at(buf, len, "%d[%1x] ", i,
+ group->func[i].join_state);
+ }
+
+ hoplimit = be32_to_cpu(group->rec.sl_flowlabel_hoplimit);
+ len += sysfs_emit_at(buf, len,
+ "\t\t(%4hx %4x %2x %2x %2x %2x %2x %4x %4x %2x %2x)\n",
+ be16_to_cpu(group->rec.pkey),
+ be32_to_cpu(group->rec.qkey),
+ (group->rec.mtusel_mtu & 0xc0) >> 6,
+ (group->rec.mtusel_mtu & 0x3f),
+ group->rec.tclass,
+ (group->rec.ratesel_rate & 0xc0) >> 6,
+ (group->rec.ratesel_rate & 0x3f),
+ (hoplimit & 0xf0000000) >> 28,
+ (hoplimit & 0x0fffff00) >> 8,
+ (hoplimit & 0x000000ff),
+ group->rec.proxy_join);
return len;
}
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 5cb8e602294c..651785bd57f2 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1493,7 +1493,7 @@ static int _mlx4_ib_create_qp(struct ib_pd *pd, struct mlx4_ib_qp *qp,
MLX4_IB_SRIOV_SQP |
MLX4_IB_QP_NETIF |
MLX4_IB_QP_CREATE_ROCE_V2_GSI))
- return -EINVAL;
+ return -EOPNOTSUPP;
if (init_attr->create_flags & IB_QP_CREATE_NETIF_QP) {
if (init_attr->qp_type != IB_QPT_UD)
@@ -1561,6 +1561,11 @@ static int _mlx4_ib_create_qp(struct ib_pd *pd, struct mlx4_ib_qp *qp,
if (err)
return err;
+ if (init_attr->create_flags &
+ (MLX4_IB_SRIOV_SQP | MLX4_IB_SRIOV_TUNNEL_QP))
+ /* Internal QP created with ib_create_qp */
+ rdma_restrack_no_track(&qp->ibqp.res);
+
qp->port = init_attr->port_num;
qp->ibqp.qp_num = init_attr->qp_type == IB_QPT_SMI ? 0 :
init_attr->create_flags & MLX4_IB_QP_CREATE_ROCE_V2_GSI ? sqpn : 1;
@@ -2787,6 +2792,9 @@ int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
struct mlx4_ib_qp *mqp = to_mqp(ibqp);
int ret;
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
ret = _mlx4_ib_modify_qp(ibqp, attr, attr_mask, udata);
if (mqp->mlx4_ib_qp_type == MLX4_IB_QPT_GSI) {
@@ -4007,7 +4015,9 @@ int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr
qp_attr->qp_access_flags =
to_ib_qp_access_flags(be32_to_cpu(context.params2));
- if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) {
+ if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC ||
+ qp->ibqp.qp_type == IB_QPT_XRC_INI ||
+ qp->ibqp.qp_type == IB_QPT_XRC_TGT) {
to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context.pri_path);
to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context.alt_path);
qp_attr->alt_pkey_index = context.alt_path.pkey_index & 0x7f;
diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c
index bf618529e734..6a381751c0d8 100644
--- a/drivers/infiniband/hw/mlx4/srq.c
+++ b/drivers/infiniband/hw/mlx4/srq.c
@@ -86,6 +86,10 @@ int mlx4_ib_create_srq(struct ib_srq *ib_srq,
int err;
int i;
+ if (init_attr->srq_type != IB_SRQT_BASIC &&
+ init_attr->srq_type != IB_SRQT_XRC)
+ return -EOPNOTSUPP;
+
/* Sanity check SRQ size before proceeding */
if (init_attr->attr.max_wr >= dev->dev->caps.max_srq_wqes ||
init_attr->attr.max_sge > dev->dev->caps.max_srq_sge)
diff --git a/drivers/infiniband/hw/mlx4/sysfs.c b/drivers/infiniband/hw/mlx4/sysfs.c
index ea1f3a081b05..1b5891130aab 100644
--- a/drivers/infiniband/hw/mlx4/sysfs.c
+++ b/drivers/infiniband/hw/mlx4/sysfs.c
@@ -56,7 +56,7 @@ static ssize_t show_admin_alias_guid(struct device *dev,
mlx4_ib_iov_dentry->entry_num,
port->num);
- return sprintf(buf, "%llx\n", be64_to_cpu(sysadmin_ag_val));
+ return sysfs_emit(buf, "%llx\n", be64_to_cpu(sysadmin_ag_val));
}
/* store_admin_alias_guid stores the (new) administratively assigned value of that GUID.
@@ -117,22 +117,24 @@ static ssize_t show_port_gid(struct device *dev,
struct mlx4_ib_iov_port *port = mlx4_ib_iov_dentry->ctx;
struct mlx4_ib_dev *mdev = port->dev;
union ib_gid gid;
- ssize_t ret;
+ int ret;
+ __be16 *raw;
ret = __mlx4_ib_query_gid(&mdev->ib_dev, port->num,
mlx4_ib_iov_dentry->entry_num, &gid, 1);
if (ret)
return ret;
- ret = sprintf(buf, "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
- be16_to_cpu(((__be16 *) gid.raw)[0]),
- be16_to_cpu(((__be16 *) gid.raw)[1]),
- be16_to_cpu(((__be16 *) gid.raw)[2]),
- be16_to_cpu(((__be16 *) gid.raw)[3]),
- be16_to_cpu(((__be16 *) gid.raw)[4]),
- be16_to_cpu(((__be16 *) gid.raw)[5]),
- be16_to_cpu(((__be16 *) gid.raw)[6]),
- be16_to_cpu(((__be16 *) gid.raw)[7]));
- return ret;
+
+ raw = (__be16 *)gid.raw;
+ return sysfs_emit(buf, "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
+ be16_to_cpu(raw[0]),
+ be16_to_cpu(raw[1]),
+ be16_to_cpu(raw[2]),
+ be16_to_cpu(raw[3]),
+ be16_to_cpu(raw[4]),
+ be16_to_cpu(raw[5]),
+ be16_to_cpu(raw[6]),
+ be16_to_cpu(raw[7]));
}
static ssize_t show_phys_port_pkey(struct device *dev,
@@ -151,7 +153,7 @@ static ssize_t show_phys_port_pkey(struct device *dev,
if (ret)
return ret;
- return sprintf(buf, "0x%04x\n", pkey);
+ return sysfs_emit(buf, "0x%04x\n", pkey);
}
#define DENTRY_REMOVE(_dentry) \
@@ -441,16 +443,12 @@ static ssize_t show_port_pkey(struct mlx4_port *p, struct port_attribute *attr,
{
struct port_table_attribute *tab_attr =
container_of(attr, struct port_table_attribute, attr);
- ssize_t ret = -ENODEV;
-
- if (p->dev->pkeys.virt2phys_pkey[p->slave][p->port_num - 1][tab_attr->index] >=
- (p->dev->dev->caps.pkey_table_len[p->port_num]))
- ret = sprintf(buf, "none\n");
- else
- ret = sprintf(buf, "%d\n",
- p->dev->pkeys.virt2phys_pkey[p->slave]
- [p->port_num - 1][tab_attr->index]);
- return ret;
+ struct pkey_mgt *m = &p->dev->pkeys;
+ u8 key = m->virt2phys_pkey[p->slave][p->port_num - 1][tab_attr->index];
+
+ if (key >= p->dev->dev->caps.pkey_table_len[p->port_num])
+ return sysfs_emit(buf, "none\n");
+ return sysfs_emit(buf, "%d\n", key);
}
static ssize_t store_port_pkey(struct mlx4_port *p, struct port_attribute *attr,
@@ -488,7 +486,7 @@ static ssize_t store_port_pkey(struct mlx4_port *p, struct port_attribute *attr,
static ssize_t show_port_gid_idx(struct mlx4_port *p,
struct port_attribute *attr, char *buf)
{
- return sprintf(buf, "%d\n", p->slave);
+ return sysfs_emit(buf, "%d\n", p->slave);
}
static struct attribute **
@@ -542,14 +540,10 @@ static ssize_t sysfs_show_smi_enabled(struct device *dev,
{
struct mlx4_port *p =
container_of(attr, struct mlx4_port, smi_enabled);
- ssize_t len = 0;
- if (mlx4_vf_smi_enabled(p->dev->dev, p->slave, p->port_num))
- len = sprintf(buf, "%d\n", 1);
- else
- len = sprintf(buf, "%d\n", 0);
-
- return len;
+ return sysfs_emit(buf, "%d\n",
+ !!mlx4_vf_smi_enabled(p->dev->dev, p->slave,
+ p->port_num));
}
static ssize_t sysfs_show_enable_smi_admin(struct device *dev,
@@ -558,14 +552,10 @@ static ssize_t sysfs_show_enable_smi_admin(struct device *dev,
{
struct mlx4_port *p =
container_of(attr, struct mlx4_port, enable_smi_admin);
- ssize_t len = 0;
-
- if (mlx4_vf_get_enable_smi_admin(p->dev->dev, p->slave, p->port_num))
- len = sprintf(buf, "%d\n", 1);
- else
- len = sprintf(buf, "%d\n", 0);
- return len;
+ return sysfs_emit(buf, "%d\n",
+ !!mlx4_vf_get_enable_smi_admin(p->dev->dev, p->slave,
+ p->port_num));
}
static ssize_t sysfs_store_enable_smi_admin(struct device *dev,
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c
index fb62f1d04afa..eb92cefffd77 100644
--- a/drivers/infiniband/hw/mlx5/cq.c
+++ b/drivers/infiniband/hw/mlx5/cq.c
@@ -707,10 +707,10 @@ static int create_cq_user(struct mlx5_ib_dev *dev, struct ib_udata *udata,
int *cqe_size, int *index, int *inlen)
{
struct mlx5_ib_create_cq ucmd = {};
+ unsigned long page_size;
+ unsigned int page_offset_quantized;
size_t ucmdlen;
- int page_shift;
__be64 *pas;
- int npages;
int ncont;
void *cqc;
int err;
@@ -742,14 +742,24 @@ static int create_cq_user(struct mlx5_ib_dev *dev, struct ib_udata *udata,
return err;
}
+ page_size = mlx5_umem_find_best_cq_quantized_pgoff(
+ cq->buf.umem, cqc, log_page_size, MLX5_ADAPTER_PAGE_SHIFT,
+ page_offset, 64, &page_offset_quantized);
+ if (!page_size) {
+ err = -EINVAL;
+ goto err_umem;
+ }
+
err = mlx5_ib_db_map_user(context, udata, ucmd.db_addr, &cq->db);
if (err)
goto err_umem;
- mlx5_ib_cont_pages(cq->buf.umem, ucmd.buf_addr, 0, &npages, &page_shift,
- &ncont, NULL);
- mlx5_ib_dbg(dev, "addr 0x%llx, size %u, npages %d, page_shift %d, ncont %d\n",
- ucmd.buf_addr, entries * ucmd.cqe_size, npages, page_shift, ncont);
+ ncont = ib_umem_num_dma_blocks(cq->buf.umem, page_size);
+ mlx5_ib_dbg(
+ dev,
+ "addr 0x%llx, size %u, npages %zu, page_size %lu, ncont %d\n",
+ ucmd.buf_addr, entries * ucmd.cqe_size,
+ ib_umem_num_pages(cq->buf.umem), page_size, ncont);
*inlen = MLX5_ST_SZ_BYTES(create_cq_in) +
MLX5_FLD_SZ_BYTES(create_cq_in, pas[0]) * ncont;
@@ -760,11 +770,12 @@ static int create_cq_user(struct mlx5_ib_dev *dev, struct ib_udata *udata,
}
pas = (__be64 *)MLX5_ADDR_OF(create_cq_in, *cqb, pas);
- mlx5_ib_populate_pas(dev, cq->buf.umem, page_shift, pas, 0);
+ mlx5_ib_populate_pas(cq->buf.umem, page_size, pas, 0);
cqc = MLX5_ADDR_OF(create_cq_in, *cqb, cq_context);
MLX5_SET(cqc, cqc, log_page_size,
- page_shift - MLX5_ADAPTER_PAGE_SHIFT);
+ order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT);
+ MLX5_SET(cqc, cqc, page_offset, page_offset_quantized);
if (ucmd.flags & MLX5_IB_CREATE_CQ_FLAGS_UAR_PAGE_INDEX) {
*index = ucmd.uar_page_index;
@@ -1128,13 +1139,12 @@ int mlx5_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period)
}
static int resize_user(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq,
- int entries, struct ib_udata *udata, int *npas,
- int *page_shift, int *cqe_size)
+ int entries, struct ib_udata *udata,
+ int *cqe_size)
{
struct mlx5_ib_resize_cq ucmd;
struct ib_umem *umem;
int err;
- int npages;
err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd));
if (err)
@@ -1155,9 +1165,6 @@ static int resize_user(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq,
return err;
}
- mlx5_ib_cont_pages(umem, ucmd.buf_addr, 0, &npages, page_shift,
- npas, NULL);
-
cq->resize_umem = umem;
*cqe_size = ucmd.cqe_size;
@@ -1250,7 +1257,8 @@ int mlx5_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
int err;
int npas;
__be64 *pas;
- int page_shift;
+ unsigned int page_offset_quantized = 0;
+ unsigned int page_shift;
int inlen;
int cqe_size;
unsigned long flags;
@@ -1277,22 +1285,34 @@ int mlx5_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
mutex_lock(&cq->resize_mutex);
if (udata) {
- err = resize_user(dev, cq, entries, udata, &npas, &page_shift,
- &cqe_size);
+ unsigned long page_size;
+
+ err = resize_user(dev, cq, entries, udata, &cqe_size);
+ if (err)
+ goto ex;
+
+ page_size = mlx5_umem_find_best_cq_quantized_pgoff(
+ cq->resize_umem, cqc, log_page_size,
+ MLX5_ADAPTER_PAGE_SHIFT, page_offset, 64,
+ &page_offset_quantized);
+ if (!page_size) {
+ err = -EINVAL;
+ goto ex_resize;
+ }
+ npas = ib_umem_num_dma_blocks(cq->resize_umem, page_size);
+ page_shift = order_base_2(page_size);
} else {
+ struct mlx5_frag_buf *frag_buf;
+
cqe_size = 64;
err = resize_kernel(dev, cq, entries, cqe_size);
- if (!err) {
- struct mlx5_frag_buf *frag_buf = &cq->resize_buf->frag_buf;
-
- npas = frag_buf->npages;
- page_shift = frag_buf->page_shift;
- }
+ if (err)
+ goto ex;
+ frag_buf = &cq->resize_buf->frag_buf;
+ npas = frag_buf->npages;
+ page_shift = frag_buf->page_shift;
}
- if (err)
- goto ex;
-
inlen = MLX5_ST_SZ_BYTES(modify_cq_in) +
MLX5_FLD_SZ_BYTES(modify_cq_in, pas[0]) * npas;
@@ -1304,8 +1324,8 @@ int mlx5_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
pas = (__be64 *)MLX5_ADDR_OF(modify_cq_in, in, pas);
if (udata)
- mlx5_ib_populate_pas(dev, cq->resize_umem, page_shift,
- pas, 0);
+ mlx5_ib_populate_pas(cq->resize_umem, 1UL << page_shift, pas,
+ 0);
else
mlx5_fill_page_frag_array(&cq->resize_buf->frag_buf, pas);
@@ -1319,6 +1339,7 @@ int mlx5_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
MLX5_SET(cqc, cqc, log_page_size,
page_shift - MLX5_ADAPTER_PAGE_SHIFT);
+ MLX5_SET(cqc, cqc, page_offset, page_offset_quantized);
MLX5_SET(cqc, cqc, cqe_sz,
cqe_sz_to_mlx_sz(cqe_size,
cq->private_flags &
diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index 9e3d8b826498..ad0173f62c0e 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -93,9 +93,6 @@ struct devx_async_event_file {
struct devx_umem {
struct mlx5_core_dev *mdev;
struct ib_umem *umem;
- u32 page_offset;
- int page_shift;
- int ncont;
u32 dinlen;
u32 dinbox[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)];
};
@@ -1311,7 +1308,7 @@ static int devx_obj_cleanup(struct ib_uobject *uobject,
else
ret = mlx5_cmd_exec(obj->ib_dev->mdev, obj->dinbox,
obj->dinlen, out, sizeof(out));
- if (ib_is_destroy_retryable(ret, why, uobject))
+ if (ret)
return ret;
devx_event_table = &dev->devx_event_table;
@@ -2057,9 +2054,7 @@ static int devx_umem_get(struct mlx5_ib_dev *dev, struct ib_ucontext *ucontext,
u64 addr;
size_t size;
u32 access;
- int npages;
int err;
- u32 page_mask;
if (uverbs_copy_from(&addr, attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_ADDR) ||
uverbs_copy_from(&size, attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_LEN))
@@ -2080,50 +2075,55 @@ static int devx_umem_get(struct mlx5_ib_dev *dev, struct ib_ucontext *ucontext,
obj->umem = ib_umem_get(&dev->ib_dev, addr, size, access);
if (IS_ERR(obj->umem))
return PTR_ERR(obj->umem);
-
- mlx5_ib_cont_pages(obj->umem, obj->umem->address,
- MLX5_MKEY_PAGE_SHIFT_MASK, &npages,
- &obj->page_shift, &obj->ncont, NULL);
-
- if (!npages) {
- ib_umem_release(obj->umem);
- return -EINVAL;
- }
-
- page_mask = (1 << obj->page_shift) - 1;
- obj->page_offset = obj->umem->address & page_mask;
-
return 0;
}
-static int devx_umem_reg_cmd_alloc(struct uverbs_attr_bundle *attrs,
+static int devx_umem_reg_cmd_alloc(struct mlx5_ib_dev *dev,
+ struct uverbs_attr_bundle *attrs,
struct devx_umem *obj,
struct devx_umem_reg_cmd *cmd)
{
+ unsigned int page_size;
+ __be64 *mtt;
+ void *umem;
+
+ /*
+ * We don't know what the user intends to use this umem for, but the HW
+ * restrictions must be met. MR, doorbell records, QP, WQ and CQ all
+ * have different requirements. Since we have no idea how to sort this
+ * out, only support PAGE_SIZE with the expectation that userspace will
+ * provide the necessary alignments inside the known PAGE_SIZE and that
+ * FW will check everything.
+ */
+ page_size = ib_umem_find_best_pgoff(
+ obj->umem, PAGE_SIZE,
+ __mlx5_page_offset_to_bitmask(__mlx5_bit_sz(umem, page_offset),
+ 0));
+ if (!page_size)
+ return -EINVAL;
+
cmd->inlen = MLX5_ST_SZ_BYTES(create_umem_in) +
- (MLX5_ST_SZ_BYTES(mtt) * obj->ncont);
+ (MLX5_ST_SZ_BYTES(mtt) *
+ ib_umem_num_dma_blocks(obj->umem, page_size));
cmd->in = uverbs_zalloc(attrs, cmd->inlen);
- return PTR_ERR_OR_ZERO(cmd->in);
-}
-
-static void devx_umem_reg_cmd_build(struct mlx5_ib_dev *dev,
- struct devx_umem *obj,
- struct devx_umem_reg_cmd *cmd)
-{
- void *umem;
- __be64 *mtt;
+ if (IS_ERR(cmd->in))
+ return PTR_ERR(cmd->in);
umem = MLX5_ADDR_OF(create_umem_in, cmd->in, umem);
mtt = (__be64 *)MLX5_ADDR_OF(umem, umem, mtt);
MLX5_SET(create_umem_in, cmd->in, opcode, MLX5_CMD_OP_CREATE_UMEM);
- MLX5_SET64(umem, umem, num_of_mtt, obj->ncont);
- MLX5_SET(umem, umem, log_page_size, obj->page_shift -
- MLX5_ADAPTER_PAGE_SHIFT);
- MLX5_SET(umem, umem, page_offset, obj->page_offset);
- mlx5_ib_populate_pas(dev, obj->umem, obj->page_shift, mtt,
+ MLX5_SET64(umem, umem, num_of_mtt,
+ ib_umem_num_dma_blocks(obj->umem, page_size));
+ MLX5_SET(umem, umem, log_page_size,
+ order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT);
+ MLX5_SET(umem, umem, page_offset,
+ ib_umem_dma_offset(obj->umem, page_size));
+
+ mlx5_ib_populate_pas(obj->umem, page_size, mtt,
(obj->umem->writable ? MLX5_IB_MTT_WRITE : 0) |
- MLX5_IB_MTT_READ);
+ MLX5_IB_MTT_READ);
+ return 0;
}
static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_UMEM_REG)(
@@ -2150,12 +2150,10 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_UMEM_REG)(
if (err)
goto err_obj_free;
- err = devx_umem_reg_cmd_alloc(attrs, obj, &cmd);
+ err = devx_umem_reg_cmd_alloc(dev, attrs, obj, &cmd);
if (err)
goto err_umem_release;
- devx_umem_reg_cmd_build(dev, obj, &cmd);
-
MLX5_SET(create_umem_in, cmd.in, uid, c->devx_uid);
err = mlx5_cmd_exec(dev->mdev, cmd.in, cmd.inlen, cmd.out,
sizeof(cmd.out));
@@ -2187,7 +2185,7 @@ static int devx_umem_cleanup(struct ib_uobject *uobject,
int err;
err = mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, out, sizeof(out));
- if (ib_is_destroy_retryable(err, why, uobject))
+ if (err)
return err;
ib_umem_release(obj->umem);
@@ -2600,8 +2598,8 @@ static const struct file_operations devx_async_event_fops = {
.llseek = no_llseek,
};
-static int devx_async_cmd_event_destroy_uobj(struct ib_uobject *uobj,
- enum rdma_remove_reason why)
+static void devx_async_cmd_event_destroy_uobj(struct ib_uobject *uobj,
+ enum rdma_remove_reason why)
{
struct devx_async_cmd_event_file *comp_ev_file =
container_of(uobj, struct devx_async_cmd_event_file,
@@ -2623,11 +2621,10 @@ static int devx_async_cmd_event_destroy_uobj(struct ib_uobject *uobj,
kvfree(entry);
}
spin_unlock_irq(&comp_ev_file->ev_queue.lock);
- return 0;
};
-static int devx_async_event_destroy_uobj(struct ib_uobject *uobj,
- enum rdma_remove_reason why)
+static void devx_async_event_destroy_uobj(struct ib_uobject *uobj,
+ enum rdma_remove_reason why)
{
struct devx_async_event_file *ev_file =
container_of(uobj, struct devx_async_event_file,
@@ -2671,7 +2668,6 @@ static int devx_async_event_destroy_uobj(struct ib_uobject *uobj,
mutex_unlock(&dev->devx_event_table.event_xa_lock);
put_device(&dev->ib_dev.dev);
- return 0;
};
DECLARE_UVERBS_NAMED_METHOD(
diff --git a/drivers/infiniband/hw/mlx5/fs.c b/drivers/infiniband/hw/mlx5/fs.c
index 492cfe063bca..25da0b05b4e2 100644
--- a/drivers/infiniband/hw/mlx5/fs.c
+++ b/drivers/infiniband/hw/mlx5/fs.c
@@ -2035,11 +2035,9 @@ static int flow_matcher_cleanup(struct ib_uobject *uobject,
struct uverbs_attr_bundle *attrs)
{
struct mlx5_ib_flow_matcher *obj = uobject->object;
- int ret;
- ret = ib_destroy_usecnt(&obj->usecnt, why, uobject);
- if (ret)
- return ret;
+ if (atomic_read(&obj->usecnt))
+ return -EBUSY;
kfree(obj);
return 0;
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 246e3cbe0b2c..4a054ebeb520 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -75,12 +75,6 @@ static LIST_HEAD(mlx5_ib_dev_list);
*/
static DEFINE_MUTEX(mlx5_ib_multiport_mutex);
-/* We can't use an array for xlt_emergency_page because dma_map_single
- * doesn't work on kernel modules memory
- */
-static unsigned long xlt_emergency_page;
-static struct mutex xlt_emergency_page_mutex;
-
struct mlx5_ib_dev *mlx5_ib_get_ibdev_from_mpi(struct mlx5_ib_multiport_info *mpi)
{
struct mlx5_ib_dev *dev;
@@ -425,10 +419,22 @@ static int translate_eth_ext_proto_oper(u32 eth_proto_oper, u16 *active_speed,
*active_width = IB_WIDTH_2X;
*active_speed = IB_SPEED_HDR;
break;
+ case MLX5E_PROT_MASK(MLX5E_100GAUI_1_100GBASE_CR_KR):
+ *active_width = IB_WIDTH_1X;
+ *active_speed = IB_SPEED_NDR;
+ break;
case MLX5E_PROT_MASK(MLX5E_200GAUI_4_200GBASE_CR4_KR4):
*active_width = IB_WIDTH_4X;
*active_speed = IB_SPEED_HDR;
break;
+ case MLX5E_PROT_MASK(MLX5E_200GAUI_2_200GBASE_CR2_KR2):
+ *active_width = IB_WIDTH_2X;
+ *active_speed = IB_SPEED_NDR;
+ break;
+ case MLX5E_PROT_MASK(MLX5E_400GAUI_4_400GBASE_CR4_KR4):
+ *active_width = IB_WIDTH_4X;
+ *active_speed = IB_SPEED_NDR;
+ break;
default:
return -EINVAL;
}
@@ -2628,7 +2634,7 @@ static ssize_t fw_pages_show(struct device *device,
struct mlx5_ib_dev *dev =
rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev);
- return sprintf(buf, "%d\n", dev->mdev->priv.fw_pages);
+ return sysfs_emit(buf, "%d\n", dev->mdev->priv.fw_pages);
}
static DEVICE_ATTR_RO(fw_pages);
@@ -2638,7 +2644,7 @@ static ssize_t reg_pages_show(struct device *device,
struct mlx5_ib_dev *dev =
rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev);
- return sprintf(buf, "%d\n", atomic_read(&dev->mdev->priv.reg_pages));
+ return sysfs_emit(buf, "%d\n", atomic_read(&dev->mdev->priv.reg_pages));
}
static DEVICE_ATTR_RO(reg_pages);
@@ -2648,7 +2654,7 @@ static ssize_t hca_type_show(struct device *device,
struct mlx5_ib_dev *dev =
rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev);
- return sprintf(buf, "MT%d\n", dev->mdev->pdev->device);
+ return sysfs_emit(buf, "MT%d\n", dev->mdev->pdev->device);
}
static DEVICE_ATTR_RO(hca_type);
@@ -2658,7 +2664,7 @@ static ssize_t hw_rev_show(struct device *device,
struct mlx5_ib_dev *dev =
rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev);
- return sprintf(buf, "%x\n", dev->mdev->rev_id);
+ return sysfs_emit(buf, "%x\n", dev->mdev->rev_id);
}
static DEVICE_ATTR_RO(hw_rev);
@@ -2668,8 +2674,8 @@ static ssize_t board_id_show(struct device *device,
struct mlx5_ib_dev *dev =
rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev);
- return sprintf(buf, "%.*s\n", MLX5_BOARD_ID_LEN,
- dev->mdev->board_id);
+ return sysfs_emit(buf, "%.*s\n", MLX5_BOARD_ID_LEN,
+ dev->mdev->board_id);
}
static DEVICE_ATTR_RO(board_id);
@@ -4024,6 +4030,7 @@ static const struct ib_device_ops mlx5_ib_dev_ops = {
.create_cq = mlx5_ib_create_cq,
.create_qp = mlx5_ib_create_qp,
.create_srq = mlx5_ib_create_srq,
+ .create_user_ah = mlx5_ib_create_ah,
.dealloc_pd = mlx5_ib_dealloc_pd,
.dealloc_ucontext = mlx5_ib_dealloc_ucontext,
.del_gid = mlx5_ib_del_gid,
@@ -4141,42 +4148,6 @@ static int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev)
struct mlx5_core_dev *mdev = dev->mdev;
int err;
- dev->ib_dev.uverbs_cmd_mask =
- (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_CREATE_AH) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_AH) |
- (1ull << IB_USER_VERBS_CMD_REG_MR) |
- (1ull << IB_USER_VERBS_CMD_REREG_MR) |
- (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
- (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) |
- (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) |
- (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) |
- (1ull << IB_USER_VERBS_CMD_OPEN_QP);
- dev->ib_dev.uverbs_ex_cmd_mask =
- (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_EX_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_EX_CMD_MODIFY_CQ) |
- (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) |
- (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW);
-
if (MLX5_CAP_GEN(mdev, ipoib_enhanced_offloads) &&
IS_ENABLED(CONFIG_MLX5_CORE_IPOIB))
ib_set_device_ops(&dev->ib_dev,
@@ -4187,19 +4158,11 @@ static int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev)
dev->umr_fence = mlx5_get_umr_fence(MLX5_CAP_GEN(mdev, umr_fence));
- if (MLX5_CAP_GEN(mdev, imaicl)) {
- dev->ib_dev.uverbs_cmd_mask |=
- (1ull << IB_USER_VERBS_CMD_ALLOC_MW) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_MW);
+ if (MLX5_CAP_GEN(mdev, imaicl))
ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_mw_ops);
- }
- if (MLX5_CAP_GEN(mdev, xrc)) {
- dev->ib_dev.uverbs_cmd_mask |=
- (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) |
- (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD);
+ if (MLX5_CAP_GEN(mdev, xrc))
ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_xrc_ops);
- }
if (MLX5_CAP_DEV_MEM(mdev, memic) ||
MLX5_CAP_GEN_64(dev->mdev, general_obj_types) &
@@ -4278,12 +4241,6 @@ static int mlx5_ib_roce_init(struct mlx5_ib_dev *dev)
ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap);
if (ll == IB_LINK_LAYER_ETHERNET) {
- dev->ib_dev.uverbs_ex_cmd_mask |=
- (1ull << IB_USER_VERBS_EX_CMD_CREATE_WQ) |
- (1ull << IB_USER_VERBS_EX_CMD_MODIFY_WQ) |
- (1ull << IB_USER_VERBS_EX_CMD_DESTROY_WQ) |
- (1ull << IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL) |
- (1ull << IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL);
ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_common_roce_ops);
port_num = mlx5_core_native_port_num(dev->mdev) - 1;
@@ -4855,30 +4812,17 @@ static struct mlx5_interface mlx5_ib_interface = {
.protocol = MLX5_INTERFACE_PROTOCOL_IB,
};
-unsigned long mlx5_ib_get_xlt_emergency_page(void)
-{
- mutex_lock(&xlt_emergency_page_mutex);
- return xlt_emergency_page;
-}
-
-void mlx5_ib_put_xlt_emergency_page(void)
-{
- mutex_unlock(&xlt_emergency_page_mutex);
-}
-
static int __init mlx5_ib_init(void)
{
int err;
- xlt_emergency_page = __get_free_page(GFP_KERNEL);
+ xlt_emergency_page = (void *)__get_free_page(GFP_KERNEL);
if (!xlt_emergency_page)
return -ENOMEM;
- mutex_init(&xlt_emergency_page_mutex);
-
mlx5_ib_event_wq = alloc_ordered_workqueue("mlx5_ib_event_wq", 0);
if (!mlx5_ib_event_wq) {
- free_page(xlt_emergency_page);
+ free_page((unsigned long)xlt_emergency_page);
return -ENOMEM;
}
@@ -4893,8 +4837,7 @@ static void __exit mlx5_ib_cleanup(void)
{
mlx5_unregister_interface(&mlx5_ib_interface);
destroy_workqueue(mlx5_ib_event_wq);
- mutex_destroy(&xlt_emergency_page_mutex);
- free_page(xlt_emergency_page);
+ free_page((unsigned long)xlt_emergency_page);
}
module_init(mlx5_ib_init);
diff --git a/drivers/infiniband/hw/mlx5/mem.c b/drivers/infiniband/hw/mlx5/mem.c
index 13de3d2edd34..844545064c9e 100644
--- a/drivers/infiniband/hw/mlx5/mem.c
+++ b/drivers/infiniband/hw/mlx5/mem.c
@@ -36,161 +36,65 @@
#include "mlx5_ib.h"
#include <linux/jiffies.h>
-/* @umem: umem object to scan
- * @addr: ib virtual address requested by the user
- * @max_page_shift: high limit for page_shift - 0 means no limit
- * @count: number of PAGE_SIZE pages covered by umem
- * @shift: page shift for the compound pages found in the region
- * @ncont: number of compund pages
- * @order: log2 of the number of compound pages
+/*
+ * Fill in a physical address list. ib_umem_num_dma_blocks() entries will be
+ * filled in the pas array.
*/
-void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr,
- unsigned long max_page_shift,
- int *count, int *shift,
- int *ncont, int *order)
+void mlx5_ib_populate_pas(struct ib_umem *umem, size_t page_size, __be64 *pas,
+ u64 access_flags)
{
- unsigned long tmp;
- unsigned long m;
- u64 base = ~0, p = 0;
- u64 len, pfn;
- int i = 0;
- struct scatterlist *sg;
- int entry;
-
- addr = addr >> PAGE_SHIFT;
- tmp = (unsigned long)addr;
- m = find_first_bit(&tmp, BITS_PER_LONG);
- if (max_page_shift)
- m = min_t(unsigned long, max_page_shift - PAGE_SHIFT, m);
-
- for_each_sg(umem->sg_head.sgl, sg, umem->nmap, entry) {
- len = sg_dma_len(sg) >> PAGE_SHIFT;
- pfn = sg_dma_address(sg) >> PAGE_SHIFT;
- if (base + p != pfn) {
- /* If either the offset or the new
- * base are unaligned update m
- */
- tmp = (unsigned long)(pfn | p);
- if (!IS_ALIGNED(tmp, 1 << m))
- m = find_first_bit(&tmp, BITS_PER_LONG);
-
- base = pfn;
- p = 0;
- }
-
- p += len;
- i += len;
- }
-
- if (i) {
- m = min_t(unsigned long, ilog2(roundup_pow_of_two(i)), m);
-
- if (order)
- *order = ilog2(roundup_pow_of_two(i) >> m);
-
- *ncont = DIV_ROUND_UP(i, (1 << m));
- } else {
- m = 0;
+ struct ib_block_iter biter;
- if (order)
- *order = 0;
-
- *ncont = 0;
+ rdma_umem_for_each_dma_block (umem, &biter, page_size) {
+ *pas = cpu_to_be64(rdma_block_iter_dma_address(&biter) |
+ access_flags);
+ pas++;
}
- *shift = PAGE_SHIFT + m;
- *count = i;
}
/*
- * Populate the given array with bus addresses from the umem.
- *
- * dev - mlx5_ib device
- * umem - umem to use to fill the pages
- * page_shift - determines the page size used in the resulting array
- * offset - offset into the umem to start from,
- * only implemented for ODP umems
- * num_pages - total number of pages to fill
- * pas - bus addresses array to fill
- * access_flags - access flags to set on all present pages.
- use enum mlx5_ib_mtt_access_flags for this.
+ * Compute the page shift and page_offset for mailboxes that use a quantized
+ * page_offset. The granulatity of the page offset scales according to page
+ * size.
*/
-void __mlx5_ib_populate_pas(struct mlx5_ib_dev *dev, struct ib_umem *umem,
- int page_shift, size_t offset, size_t num_pages,
- __be64 *pas, int access_flags)
+unsigned long __mlx5_umem_find_best_quantized_pgoff(
+ struct ib_umem *umem, unsigned long pgsz_bitmap,
+ unsigned int page_offset_bits, u64 pgoff_bitmask, unsigned int scale,
+ unsigned int *page_offset_quantized)
{
- int shift = page_shift - PAGE_SHIFT;
- int mask = (1 << shift) - 1;
- int i, k, idx;
- u64 cur = 0;
- u64 base;
- int len;
- struct scatterlist *sg;
- int entry;
-
- i = 0;
- for_each_sg(umem->sg_head.sgl, sg, umem->nmap, entry) {
- len = sg_dma_len(sg) >> PAGE_SHIFT;
- base = sg_dma_address(sg);
-
- /* Skip elements below offset */
- if (i + len < offset << shift) {
- i += len;
- continue;
- }
-
- /* Skip pages below offset */
- if (i < offset << shift) {
- k = (offset << shift) - i;
- i = offset << shift;
- } else {
- k = 0;
- }
-
- for (; k < len; k++) {
- if (!(i & mask)) {
- cur = base + (k << PAGE_SHIFT);
- cur |= access_flags;
- idx = (i >> shift) - offset;
-
- pas[idx] = cpu_to_be64(cur);
- mlx5_ib_dbg(dev, "pas[%d] 0x%llx\n",
- i >> shift, be64_to_cpu(pas[idx]));
- }
- i++;
-
- /* Stop after num_pages reached */
- if (i >> shift >= offset + num_pages)
- return;
- }
+ const u64 page_offset_mask = (1UL << page_offset_bits) - 1;
+ unsigned long page_size;
+ u64 page_offset;
+
+ page_size = ib_umem_find_best_pgoff(umem, pgsz_bitmap, pgoff_bitmask);
+ if (!page_size)
+ return 0;
+
+ /*
+ * page size is the largest possible page size.
+ *
+ * Reduce the page_size, and thus the page_offset and quanta, until the
+ * page_offset fits into the mailbox field. Once page_size < scale this
+ * loop is guaranteed to terminate.
+ */
+ page_offset = ib_umem_dma_offset(umem, page_size);
+ while (page_offset & ~(u64)(page_offset_mask * (page_size / scale))) {
+ page_size /= 2;
+ page_offset = ib_umem_dma_offset(umem, page_size);
}
-}
-void mlx5_ib_populate_pas(struct mlx5_ib_dev *dev, struct ib_umem *umem,
- int page_shift, __be64 *pas, int access_flags)
-{
- return __mlx5_ib_populate_pas(dev, umem, page_shift, 0,
- ib_umem_num_dma_blocks(umem, PAGE_SIZE),
- pas, access_flags);
-}
-int mlx5_ib_get_buf_offset(u64 addr, int page_shift, u32 *offset)
-{
- u64 page_size;
- u64 page_mask;
- u64 off_size;
- u64 off_mask;
- u64 buf_off;
-
- page_size = (u64)1 << page_shift;
- page_mask = page_size - 1;
- buf_off = addr & page_mask;
- off_size = page_size >> 6;
- off_mask = off_size - 1;
-
- if (buf_off & off_mask)
- return -EINVAL;
-
- *offset = buf_off >> ilog2(off_size);
- return 0;
+ /*
+ * The address is not aligned, or otherwise cannot be represented by the
+ * page_offset.
+ */
+ if (!(pgsz_bitmap & page_size))
+ return 0;
+
+ *page_offset_quantized =
+ (unsigned long)page_offset / (page_size / scale);
+ if (WARN_ON(*page_offset_quantized > page_offset_mask))
+ return 0;
+ return page_size;
}
#define WR_ID_BF 0xBF
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index b1f2b34e5955..718e59fce006 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -40,7 +40,73 @@
#define MLX5_IB_DEFAULT_UIDX 0xffffff
#define MLX5_USER_ASSIGNED_UIDX_MASK __mlx5_mask(qpc, user_index)
-#define MLX5_MKEY_PAGE_SHIFT_MASK __mlx5_mask(mkc, log_page_size)
+static __always_inline unsigned long
+__mlx5_log_page_size_to_bitmap(unsigned int log_pgsz_bits,
+ unsigned int pgsz_shift)
+{
+ unsigned int largest_pg_shift =
+ min_t(unsigned long, (1ULL << log_pgsz_bits) - 1 + pgsz_shift,
+ BITS_PER_LONG - 1);
+
+ /*
+ * Despite a command allowing it, the device does not support lower than
+ * 4k page size.
+ */
+ pgsz_shift = max_t(unsigned int, MLX5_ADAPTER_PAGE_SHIFT, pgsz_shift);
+ return GENMASK(largest_pg_shift, pgsz_shift);
+}
+
+/*
+ * For mkc users, instead of a page_offset the command has a start_iova which
+ * specifies both the page_offset and the on-the-wire IOVA
+ */
+#define mlx5_umem_find_best_pgsz(umem, typ, log_pgsz_fld, pgsz_shift, iova) \
+ ib_umem_find_best_pgsz(umem, \
+ __mlx5_log_page_size_to_bitmap( \
+ __mlx5_bit_sz(typ, log_pgsz_fld), \
+ pgsz_shift), \
+ iova)
+
+static __always_inline unsigned long
+__mlx5_page_offset_to_bitmask(unsigned int page_offset_bits,
+ unsigned int offset_shift)
+{
+ unsigned int largest_offset_shift =
+ min_t(unsigned long, page_offset_bits - 1 + offset_shift,
+ BITS_PER_LONG - 1);
+
+ return GENMASK(largest_offset_shift, offset_shift);
+}
+
+/*
+ * QP/CQ/WQ/etc type commands take a page offset that satisifies:
+ * page_offset_quantized * (page_size/scale) = page_offset
+ * Which restricts allowed page sizes to ones that satisify the above.
+ */
+unsigned long __mlx5_umem_find_best_quantized_pgoff(
+ struct ib_umem *umem, unsigned long pgsz_bitmap,
+ unsigned int page_offset_bits, u64 pgoff_bitmask, unsigned int scale,
+ unsigned int *page_offset_quantized);
+#define mlx5_umem_find_best_quantized_pgoff(umem, typ, log_pgsz_fld, \
+ pgsz_shift, page_offset_fld, \
+ scale, page_offset_quantized) \
+ __mlx5_umem_find_best_quantized_pgoff( \
+ umem, \
+ __mlx5_log_page_size_to_bitmap( \
+ __mlx5_bit_sz(typ, log_pgsz_fld), pgsz_shift), \
+ __mlx5_bit_sz(typ, page_offset_fld), \
+ GENMASK(31, order_base_2(scale)), scale, \
+ page_offset_quantized)
+
+#define mlx5_umem_find_best_cq_quantized_pgoff(umem, typ, log_pgsz_fld, \
+ pgsz_shift, page_offset_fld, \
+ scale, page_offset_quantized) \
+ __mlx5_umem_find_best_quantized_pgoff( \
+ umem, \
+ __mlx5_log_page_size_to_bitmap( \
+ __mlx5_bit_sz(typ, log_pgsz_fld), pgsz_shift), \
+ __mlx5_bit_sz(typ, page_offset_fld), 0, scale, \
+ page_offset_quantized)
enum {
MLX5_IB_MMAP_OFFSET_START = 9,
@@ -597,13 +663,12 @@ struct mlx5_ib_mr {
int max_descs;
int desc_size;
int access_mode;
+ unsigned int page_shift;
struct mlx5_core_mkey mmkey;
struct ib_umem *umem;
struct mlx5_shared_mr_info *smr_info;
struct list_head list;
- unsigned int order;
struct mlx5_cache_ent *cache_ent;
- int npages;
struct mlx5_ib_dev *dev;
u32 out[MLX5_ST_SZ_DW(create_mkey_out)];
struct mlx5_core_sig_ctx *sig;
@@ -1210,7 +1275,6 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
size_t *out_mad_size, u16 *out_mad_pkey_index);
int mlx5_ib_alloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata);
int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata);
-int mlx5_ib_get_buf_offset(u64 addr, int page_shift, u32 *offset);
int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port);
int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
struct ib_smp *out_mad);
@@ -1230,15 +1294,8 @@ int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port,
struct ib_port_attr *props);
int mlx5_ib_query_port(struct ib_device *ibdev, u8 port,
struct ib_port_attr *props);
-void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr,
- unsigned long max_page_shift,
- int *count, int *shift,
- int *ncont, int *order);
-void __mlx5_ib_populate_pas(struct mlx5_ib_dev *dev, struct ib_umem *umem,
- int page_shift, size_t offset, size_t num_pages,
- __be64 *pas, int access_flags);
-void mlx5_ib_populate_pas(struct mlx5_ib_dev *dev, struct ib_umem *umem,
- int page_shift, __be64 *pas, int access_flags);
+void mlx5_ib_populate_pas(struct ib_umem *umem, size_t page_size, __be64 *pas,
+ u64 access_flags);
void mlx5_ib_copy_pas(u64 *old, u64 *new, int step, int num);
int mlx5_ib_get_cqe_size(struct ib_cq *ibcq);
int mlx5_mr_cache_init(struct mlx5_ib_dev *dev);
@@ -1456,8 +1513,7 @@ static inline int get_num_static_uars(struct mlx5_ib_dev *dev,
return get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * bfregi->num_static_sys_pages;
}
-unsigned long mlx5_ib_get_xlt_emergency_page(void);
-void mlx5_ib_put_xlt_emergency_page(void);
+extern void *xlt_emergency_page;
int bfregn_to_uar_index(struct mlx5_ib_dev *dev,
struct mlx5_bfreg_info *bfregi, u32 bfregn,
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index b261797b258f..b6116f6d065d 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -41,6 +41,13 @@
#include <rdma/ib_verbs.h>
#include "mlx5_ib.h"
+/*
+ * We can't use an array for xlt_emergency_page because dma_map_single doesn't
+ * work on kernel modules memory
+ */
+void *xlt_emergency_page;
+static DEFINE_MUTEX(xlt_emergency_page_mutex);
+
enum {
MAX_PENDING_REG_MR = 8,
};
@@ -126,7 +133,9 @@ static int destroy_mkey(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
static inline bool mlx5_ib_pas_fits_in_mr(struct mlx5_ib_mr *mr, u64 start,
u64 length)
{
- return ((u64)1 << mr->order) * MLX5_ADAPTER_PAGE_SIZE >=
+ if (!mr->cache_ent)
+ return false;
+ return ((u64)1 << mr->cache_ent->order) * MLX5_ADAPTER_PAGE_SIZE >=
length + (start & (MLX5_ADAPTER_PAGE_SIZE - 1));
}
@@ -172,7 +181,6 @@ static struct mlx5_ib_mr *alloc_cache_mr(struct mlx5_cache_ent *ent, void *mkc)
mr = kzalloc(sizeof(*mr), GFP_KERNEL);
if (!mr)
return NULL;
- mr->order = ent->order;
mr->cache_ent = ent;
mr->dev = ent->dev;
@@ -867,14 +875,11 @@ static int mr_cache_max_order(struct mlx5_ib_dev *dev)
return MLX5_MAX_UMR_SHIFT;
}
-static int mr_umem_get(struct mlx5_ib_dev *dev, u64 start, u64 length,
- int access_flags, struct ib_umem **umem, int *npages,
- int *page_shift, int *ncont, int *order)
+static struct ib_umem *mr_umem_get(struct mlx5_ib_dev *dev, u64 start,
+ u64 length, int access_flags)
{
struct ib_umem *u;
- *umem = NULL;
-
if (access_flags & IB_ACCESS_ON_DEMAND) {
struct ib_umem_odp *odp;
@@ -883,39 +888,17 @@ static int mr_umem_get(struct mlx5_ib_dev *dev, u64 start, u64 length,
if (IS_ERR(odp)) {
mlx5_ib_dbg(dev, "umem get failed (%ld)\n",
PTR_ERR(odp));
- return PTR_ERR(odp);
- }
-
- u = &odp->umem;
-
- *page_shift = odp->page_shift;
- *ncont = ib_umem_odp_num_pages(odp);
- *npages = *ncont << (*page_shift - PAGE_SHIFT);
- if (order)
- *order = ilog2(roundup_pow_of_two(*ncont));
- } else {
- u = ib_umem_get(&dev->ib_dev, start, length, access_flags);
- if (IS_ERR(u)) {
- mlx5_ib_dbg(dev, "umem get failed (%ld)\n", PTR_ERR(u));
- return PTR_ERR(u);
+ return ERR_CAST(odp);
}
-
- mlx5_ib_cont_pages(u, start, MLX5_MKEY_PAGE_SHIFT_MASK, npages,
- page_shift, ncont, order);
+ return &odp->umem;
}
- if (!*npages) {
- mlx5_ib_warn(dev, "avoid zero region\n");
- ib_umem_release(u);
- return -EINVAL;
+ u = ib_umem_get(&dev->ib_dev, start, length, access_flags);
+ if (IS_ERR(u)) {
+ mlx5_ib_dbg(dev, "umem get failed (%ld)\n", PTR_ERR(u));
+ return u;
}
-
- *umem = u;
-
- mlx5_ib_dbg(dev, "npages %d, ncont %d, order %d, page_shift %d\n",
- *npages, *ncont, *order, *page_shift);
-
- return 0;
+ return u;
}
static void mlx5_ib_umr_done(struct ib_cq *cq, struct ib_wc *wc)
@@ -974,15 +957,20 @@ static struct mlx5_cache_ent *mr_cache_ent_from_order(struct mlx5_ib_dev *dev,
return &cache->ent[order];
}
-static struct mlx5_ib_mr *
-alloc_mr_from_cache(struct ib_pd *pd, struct ib_umem *umem, u64 virt_addr,
- u64 len, int npages, int page_shift, unsigned int order,
- int access_flags)
+static struct mlx5_ib_mr *alloc_mr_from_cache(struct ib_pd *pd,
+ struct ib_umem *umem, u64 iova,
+ int access_flags)
{
struct mlx5_ib_dev *dev = to_mdev(pd->device);
- struct mlx5_cache_ent *ent = mr_cache_ent_from_order(dev, order);
+ struct mlx5_cache_ent *ent;
struct mlx5_ib_mr *mr;
+ unsigned int page_size;
+ page_size = mlx5_umem_find_best_pgsz(umem, mkc, log_page_size, 0, iova);
+ if (WARN_ON(!page_size))
+ return ERR_PTR(-EINVAL);
+ ent = mr_cache_ent_from_order(
+ dev, order_base_2(ib_umem_num_dma_blocks(umem, page_size)));
if (!ent)
return ERR_PTR(-E2BIG);
@@ -1001,9 +989,10 @@ alloc_mr_from_cache(struct ib_pd *pd, struct ib_umem *umem, u64 virt_addr,
mr->umem = umem;
mr->access_flags = access_flags;
mr->desc_size = sizeof(struct mlx5_mtt);
- mr->mmkey.iova = virt_addr;
- mr->mmkey.size = len;
+ mr->mmkey.iova = iova;
+ mr->mmkey.size = umem->length;
mr->mmkey.pd = to_mpd(pd)->pdn;
+ mr->page_shift = order_base_2(page_size);
return mr;
}
@@ -1012,14 +1001,144 @@ alloc_mr_from_cache(struct ib_pd *pd, struct ib_umem *umem, u64 virt_addr,
MLX5_UMR_MTT_ALIGNMENT)
#define MLX5_SPARE_UMR_CHUNK 0x10000
+/*
+ * Allocate a temporary buffer to hold the per-page information to transfer to
+ * HW. For efficiency this should be as large as it can be, but buffer
+ * allocation failure is not allowed, so try smaller sizes.
+ */
+static void *mlx5_ib_alloc_xlt(size_t *nents, size_t ent_size, gfp_t gfp_mask)
+{
+ const size_t xlt_chunk_align =
+ MLX5_UMR_MTT_ALIGNMENT / sizeof(ent_size);
+ size_t size;
+ void *res = NULL;
+
+ static_assert(PAGE_SIZE % MLX5_UMR_MTT_ALIGNMENT == 0);
+
+ /*
+ * MLX5_IB_UPD_XLT_ATOMIC doesn't signal an atomic context just that the
+ * allocation can't trigger any kind of reclaim.
+ */
+ might_sleep();
+
+ gfp_mask |= __GFP_ZERO;
+
+ /*
+ * If the system already has a suitable high order page then just use
+ * that, but don't try hard to create one. This max is about 1M, so a
+ * free x86 huge page will satisfy it.
+ */
+ size = min_t(size_t, ent_size * ALIGN(*nents, xlt_chunk_align),
+ MLX5_MAX_UMR_CHUNK);
+ *nents = size / ent_size;
+ res = (void *)__get_free_pages(gfp_mask | __GFP_NOWARN,
+ get_order(size));
+ if (res)
+ return res;
+
+ if (size > MLX5_SPARE_UMR_CHUNK) {
+ size = MLX5_SPARE_UMR_CHUNK;
+ *nents = get_order(size) / ent_size;
+ res = (void *)__get_free_pages(gfp_mask | __GFP_NOWARN,
+ get_order(size));
+ if (res)
+ return res;
+ }
+
+ *nents = PAGE_SIZE / ent_size;
+ res = (void *)__get_free_page(gfp_mask);
+ if (res)
+ return res;
+
+ mutex_lock(&xlt_emergency_page_mutex);
+ memset(xlt_emergency_page, 0, PAGE_SIZE);
+ return xlt_emergency_page;
+}
+
+static void mlx5_ib_free_xlt(void *xlt, size_t length)
+{
+ if (xlt == xlt_emergency_page) {
+ mutex_unlock(&xlt_emergency_page_mutex);
+ return;
+ }
+
+ free_pages((unsigned long)xlt, get_order(length));
+}
+
+/*
+ * Create a MLX5_IB_SEND_UMR_UPDATE_XLT work request and XLT buffer ready for
+ * submission.
+ */
+static void *mlx5_ib_create_xlt_wr(struct mlx5_ib_mr *mr,
+ struct mlx5_umr_wr *wr, struct ib_sge *sg,
+ size_t nents, size_t ent_size,
+ unsigned int flags)
+{
+ struct mlx5_ib_dev *dev = mr->dev;
+ struct device *ddev = &dev->mdev->pdev->dev;
+ dma_addr_t dma;
+ void *xlt;
+
+ xlt = mlx5_ib_alloc_xlt(&nents, ent_size,
+ flags & MLX5_IB_UPD_XLT_ATOMIC ? GFP_ATOMIC :
+ GFP_KERNEL);
+ sg->length = nents * ent_size;
+ dma = dma_map_single(ddev, xlt, sg->length, DMA_TO_DEVICE);
+ if (dma_mapping_error(ddev, dma)) {
+ mlx5_ib_err(dev, "unable to map DMA during XLT update.\n");
+ mlx5_ib_free_xlt(xlt, sg->length);
+ return NULL;
+ }
+ sg->addr = dma;
+ sg->lkey = dev->umrc.pd->local_dma_lkey;
+
+ memset(wr, 0, sizeof(*wr));
+ wr->wr.send_flags = MLX5_IB_SEND_UMR_UPDATE_XLT;
+ if (!(flags & MLX5_IB_UPD_XLT_ENABLE))
+ wr->wr.send_flags |= MLX5_IB_SEND_UMR_FAIL_IF_FREE;
+ wr->wr.sg_list = sg;
+ wr->wr.num_sge = 1;
+ wr->wr.opcode = MLX5_IB_WR_UMR;
+ wr->pd = mr->ibmr.pd;
+ wr->mkey = mr->mmkey.key;
+ wr->length = mr->mmkey.size;
+ wr->virt_addr = mr->mmkey.iova;
+ wr->access_flags = mr->access_flags;
+ wr->page_shift = mr->page_shift;
+ wr->xlt_size = sg->length;
+ return xlt;
+}
+
+static void mlx5_ib_unmap_free_xlt(struct mlx5_ib_dev *dev, void *xlt,
+ struct ib_sge *sg)
+{
+ struct device *ddev = &dev->mdev->pdev->dev;
+
+ dma_unmap_single(ddev, sg->addr, sg->length, DMA_TO_DEVICE);
+ mlx5_ib_free_xlt(xlt, sg->length);
+}
+
+static unsigned int xlt_wr_final_send_flags(unsigned int flags)
+{
+ unsigned int res = 0;
+
+ if (flags & MLX5_IB_UPD_XLT_ENABLE)
+ res |= MLX5_IB_SEND_UMR_ENABLE_MR |
+ MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS |
+ MLX5_IB_SEND_UMR_UPDATE_TRANSLATION;
+ if (flags & MLX5_IB_UPD_XLT_PD || flags & MLX5_IB_UPD_XLT_ACCESS)
+ res |= MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS;
+ if (flags & MLX5_IB_UPD_XLT_ADDR)
+ res |= MLX5_IB_SEND_UMR_UPDATE_TRANSLATION;
+ return res;
+}
+
int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages,
int page_shift, int flags)
{
struct mlx5_ib_dev *dev = mr->dev;
- struct device *ddev = dev->ib_dev.dev.parent;
- int size;
+ struct device *ddev = &dev->mdev->pdev->dev;
void *xlt;
- dma_addr_t dma;
struct mlx5_umr_wr wr;
struct ib_sge sg;
int err = 0;
@@ -1030,15 +1149,17 @@ int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages,
const int page_mask = page_align - 1;
size_t pages_mapped = 0;
size_t pages_to_map = 0;
- size_t pages_iter = 0;
+ size_t pages_iter;
size_t size_to_map = 0;
- gfp_t gfp;
- bool use_emergency_page = false;
+ size_t orig_sg_length;
if ((flags & MLX5_IB_UPD_XLT_INDIRECT) &&
!umr_can_use_indirect_mkey(dev))
return -EPERM;
+ if (WARN_ON(!mr->umem->is_odp))
+ return -EINVAL;
+
/* UMR copies MTTs in units of MLX5_UMR_MTT_ALIGNMENT bytes,
* so we need to align the offset and length accordingly
*/
@@ -1046,63 +1167,21 @@ int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages,
npages += idx & page_mask;
idx &= ~page_mask;
}
-
- gfp = flags & MLX5_IB_UPD_XLT_ATOMIC ? GFP_ATOMIC : GFP_KERNEL;
- gfp |= __GFP_ZERO | __GFP_NOWARN;
-
pages_to_map = ALIGN(npages, page_align);
- size = desc_size * pages_to_map;
- size = min_t(int, size, MLX5_MAX_UMR_CHUNK);
-
- xlt = (void *)__get_free_pages(gfp, get_order(size));
- if (!xlt && size > MLX5_SPARE_UMR_CHUNK) {
- mlx5_ib_dbg(dev, "Failed to allocate %d bytes of order %d. fallback to spare UMR allocation od %d bytes\n",
- size, get_order(size), MLX5_SPARE_UMR_CHUNK);
-
- size = MLX5_SPARE_UMR_CHUNK;
- xlt = (void *)__get_free_pages(gfp, get_order(size));
- }
- if (!xlt) {
- mlx5_ib_warn(dev, "Using XLT emergency buffer\n");
- xlt = (void *)mlx5_ib_get_xlt_emergency_page();
- size = PAGE_SIZE;
- memset(xlt, 0, size);
- use_emergency_page = true;
- }
- pages_iter = size / desc_size;
- dma = dma_map_single(ddev, xlt, size, DMA_TO_DEVICE);
- if (dma_mapping_error(ddev, dma)) {
- mlx5_ib_err(dev, "unable to map DMA during XLT update.\n");
- err = -ENOMEM;
- goto free_xlt;
- }
+ xlt = mlx5_ib_create_xlt_wr(mr, &wr, &sg, npages, desc_size, flags);
+ if (!xlt)
+ return -ENOMEM;
+ pages_iter = sg.length / desc_size;
+ orig_sg_length = sg.length;
- if (mr->umem->is_odp) {
- if (!(flags & MLX5_IB_UPD_XLT_INDIRECT)) {
- struct ib_umem_odp *odp = to_ib_umem_odp(mr->umem);
- size_t max_pages = ib_umem_odp_num_pages(odp) - idx;
+ if (!(flags & MLX5_IB_UPD_XLT_INDIRECT)) {
+ struct ib_umem_odp *odp = to_ib_umem_odp(mr->umem);
+ size_t max_pages = ib_umem_odp_num_pages(odp) - idx;
- pages_to_map = min_t(size_t, pages_to_map, max_pages);
- }
+ pages_to_map = min_t(size_t, pages_to_map, max_pages);
}
- sg.addr = dma;
- sg.lkey = dev->umrc.pd->local_dma_lkey;
-
- memset(&wr, 0, sizeof(wr));
- wr.wr.send_flags = MLX5_IB_SEND_UMR_UPDATE_XLT;
- if (!(flags & MLX5_IB_UPD_XLT_ENABLE))
- wr.wr.send_flags |= MLX5_IB_SEND_UMR_FAIL_IF_FREE;
- wr.wr.sg_list = &sg;
- wr.wr.num_sge = 1;
- wr.wr.opcode = MLX5_IB_WR_UMR;
-
- wr.pd = mr->ibmr.pd;
- wr.mkey = mr->mmkey.key;
- wr.length = mr->mmkey.size;
- wr.virt_addr = mr->mmkey.iova;
- wr.access_flags = mr->access_flags;
wr.page_shift = page_shift;
for (pages_mapped = 0;
@@ -1110,50 +1189,87 @@ int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages,
pages_mapped += pages_iter, idx += pages_iter) {
npages = min_t(int, pages_iter, pages_to_map - pages_mapped);
size_to_map = npages * desc_size;
- dma_sync_single_for_cpu(ddev, dma, size, DMA_TO_DEVICE);
- if (mr->umem->is_odp) {
- mlx5_odp_populate_xlt(xlt, idx, npages, mr, flags);
- } else {
- __mlx5_ib_populate_pas(dev, mr->umem, page_shift, idx,
- npages, xlt,
- MLX5_IB_MTT_PRESENT);
- /* Clear padding after the pages
- * brought from the umem.
- */
- memset(xlt + size_to_map, 0, size - size_to_map);
- }
- dma_sync_single_for_device(ddev, dma, size, DMA_TO_DEVICE);
+ dma_sync_single_for_cpu(ddev, sg.addr, sg.length,
+ DMA_TO_DEVICE);
+ mlx5_odp_populate_xlt(xlt, idx, npages, mr, flags);
+ dma_sync_single_for_device(ddev, sg.addr, sg.length,
+ DMA_TO_DEVICE);
sg.length = ALIGN(size_to_map, MLX5_UMR_MTT_ALIGNMENT);
- if (pages_mapped + pages_iter >= pages_to_map) {
- if (flags & MLX5_IB_UPD_XLT_ENABLE)
- wr.wr.send_flags |=
- MLX5_IB_SEND_UMR_ENABLE_MR |
- MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS |
- MLX5_IB_SEND_UMR_UPDATE_TRANSLATION;
- if (flags & MLX5_IB_UPD_XLT_PD ||
- flags & MLX5_IB_UPD_XLT_ACCESS)
- wr.wr.send_flags |=
- MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS;
- if (flags & MLX5_IB_UPD_XLT_ADDR)
- wr.wr.send_flags |=
- MLX5_IB_SEND_UMR_UPDATE_TRANSLATION;
- }
+ if (pages_mapped + pages_iter >= pages_to_map)
+ wr.wr.send_flags |= xlt_wr_final_send_flags(flags);
wr.offset = idx * desc_size;
wr.xlt_size = sg.length;
err = mlx5_ib_post_send_wait(dev, &wr);
}
- dma_unmap_single(ddev, dma, size, DMA_TO_DEVICE);
+ sg.length = orig_sg_length;
+ mlx5_ib_unmap_free_xlt(dev, xlt, &sg);
+ return err;
+}
-free_xlt:
- if (use_emergency_page)
- mlx5_ib_put_xlt_emergency_page();
- else
- free_pages((unsigned long)xlt, get_order(size));
+/*
+ * Send the DMA list to the HW for a normal MR using UMR.
+ */
+static int mlx5_ib_update_mr_pas(struct mlx5_ib_mr *mr, unsigned int flags)
+{
+ struct mlx5_ib_dev *dev = mr->dev;
+ struct device *ddev = &dev->mdev->pdev->dev;
+ struct ib_block_iter biter;
+ struct mlx5_mtt *cur_mtt;
+ struct mlx5_umr_wr wr;
+ size_t orig_sg_length;
+ struct mlx5_mtt *mtt;
+ size_t final_size;
+ struct ib_sge sg;
+ int err = 0;
+
+ if (WARN_ON(mr->umem->is_odp))
+ return -EINVAL;
+
+ mtt = mlx5_ib_create_xlt_wr(mr, &wr, &sg,
+ ib_umem_num_dma_blocks(mr->umem,
+ 1 << mr->page_shift),
+ sizeof(*mtt), flags);
+ if (!mtt)
+ return -ENOMEM;
+ orig_sg_length = sg.length;
+
+ cur_mtt = mtt;
+ rdma_for_each_block (mr->umem->sg_head.sgl, &biter, mr->umem->nmap,
+ BIT(mr->page_shift)) {
+ if (cur_mtt == (void *)mtt + sg.length) {
+ dma_sync_single_for_device(ddev, sg.addr, sg.length,
+ DMA_TO_DEVICE);
+ err = mlx5_ib_post_send_wait(dev, &wr);
+ if (err)
+ goto err;
+ dma_sync_single_for_cpu(ddev, sg.addr, sg.length,
+ DMA_TO_DEVICE);
+ wr.offset += sg.length;
+ cur_mtt = mtt;
+ }
+
+ cur_mtt->ptag =
+ cpu_to_be64(rdma_block_iter_dma_address(&biter) |
+ MLX5_IB_MTT_PRESENT);
+ cur_mtt++;
+ }
+ final_size = (void *)cur_mtt - (void *)mtt;
+ sg.length = ALIGN(final_size, MLX5_UMR_MTT_ALIGNMENT);
+ memset(cur_mtt, 0, sg.length - final_size);
+ wr.wr.send_flags |= xlt_wr_final_send_flags(flags);
+ wr.xlt_size = sg.length;
+
+ dma_sync_single_for_device(ddev, sg.addr, sg.length, DMA_TO_DEVICE);
+ err = mlx5_ib_post_send_wait(dev, &wr);
+
+err:
+ sg.length = orig_sg_length;
+ mlx5_ib_unmap_free_xlt(dev, mtt, &sg);
return err;
}
@@ -1162,12 +1278,11 @@ free_xlt:
* Else, the given ibmr will be used.
*/
static struct mlx5_ib_mr *reg_create(struct ib_mr *ibmr, struct ib_pd *pd,
- u64 virt_addr, u64 length,
- struct ib_umem *umem, int npages,
- int page_shift, int access_flags,
- bool populate)
+ struct ib_umem *umem, u64 iova,
+ int access_flags, bool populate)
{
struct mlx5_ib_dev *dev = to_mdev(pd->device);
+ unsigned int page_size;
struct mlx5_ib_mr *mr;
__be64 *pas;
void *mkc;
@@ -1176,16 +1291,23 @@ static struct mlx5_ib_mr *reg_create(struct ib_mr *ibmr, struct ib_pd *pd,
int err;
bool pg_cap = !!(MLX5_CAP_GEN(dev->mdev, pg));
+ page_size =
+ mlx5_umem_find_best_pgsz(umem, mkc, log_page_size, 0, iova);
+ if (WARN_ON(!page_size))
+ return ERR_PTR(-EINVAL);
+
mr = ibmr ? to_mmr(ibmr) : kzalloc(sizeof(*mr), GFP_KERNEL);
if (!mr)
return ERR_PTR(-ENOMEM);
mr->ibmr.pd = pd;
mr->access_flags = access_flags;
+ mr->page_shift = order_base_2(page_size);
inlen = MLX5_ST_SZ_BYTES(create_mkey_in);
if (populate)
- inlen += sizeof(*pas) * roundup(npages, 2);
+ inlen += sizeof(*pas) *
+ roundup(ib_umem_num_dma_blocks(umem, page_size), 2);
in = kvzalloc(inlen, GFP_KERNEL);
if (!in) {
err = -ENOMEM;
@@ -1197,7 +1319,7 @@ static struct mlx5_ib_mr *reg_create(struct ib_mr *ibmr, struct ib_pd *pd,
err = -EINVAL;
goto err_2;
}
- mlx5_ib_populate_pas(dev, umem, page_shift, pas,
+ mlx5_ib_populate_pas(umem, 1UL << mr->page_shift, pas,
pg_cap ? MLX5_IB_MTT_PRESENT : 0);
}
@@ -1206,20 +1328,20 @@ static struct mlx5_ib_mr *reg_create(struct ib_mr *ibmr, struct ib_pd *pd,
MLX5_SET(create_mkey_in, in, pg_access, !!(pg_cap));
mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
- set_mkc_access_pd_addr_fields(mkc, access_flags, virt_addr,
+ set_mkc_access_pd_addr_fields(mkc, access_flags, iova,
populate ? pd : dev->umrc.pd);
MLX5_SET(mkc, mkc, free, !populate);
MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_MTT);
MLX5_SET(mkc, mkc, umr_en, 1);
- MLX5_SET64(mkc, mkc, len, length);
+ MLX5_SET64(mkc, mkc, len, umem->length);
MLX5_SET(mkc, mkc, bsf_octword_size, 0);
MLX5_SET(mkc, mkc, translations_octword_size,
- get_octo_len(virt_addr, length, page_shift));
- MLX5_SET(mkc, mkc, log_page_size, page_shift);
+ get_octo_len(iova, umem->length, mr->page_shift));
+ MLX5_SET(mkc, mkc, log_page_size, mr->page_shift);
if (populate) {
MLX5_SET(create_mkey_in, in, translations_octword_actual_size,
- get_octo_len(virt_addr, length, page_shift));
+ get_octo_len(iova, umem->length, mr->page_shift));
}
err = mlx5_ib_create_mkey(dev, &mr->mmkey, in, inlen);
@@ -1247,10 +1369,8 @@ err_1:
}
static void set_mr_fields(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr,
- int npages, u64 length, int access_flags)
+ u64 length, int access_flags)
{
- mr->npages = npages;
- atomic_add(npages, &dev->mdev->priv.reg_pages);
mr->ibmr.lkey = mr->mmkey.key;
mr->ibmr.rkey = mr->mmkey.key;
mr->ibmr.length = length;
@@ -1290,8 +1410,7 @@ static struct ib_mr *mlx5_ib_get_dm_mr(struct ib_pd *pd, u64 start_addr,
kfree(in);
- mr->umem = NULL;
- set_mr_fields(dev, mr, 0, length, acc);
+ set_mr_fields(dev, mr, length, acc);
return &mr->ibmr;
@@ -1360,10 +1479,6 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
struct mlx5_ib_mr *mr = NULL;
bool xlt_with_umr;
struct ib_umem *umem;
- int page_shift;
- int npages;
- int ncont;
- int order;
int err;
if (!IS_ENABLED(CONFIG_INFINIBAND_USER_MEM))
@@ -1391,23 +1506,20 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
return &mr->ibmr;
}
- err = mr_umem_get(dev, start, length, access_flags, &umem,
- &npages, &page_shift, &ncont, &order);
-
- if (err < 0)
- return ERR_PTR(err);
+ umem = mr_umem_get(dev, start, length, access_flags);
+ if (IS_ERR(umem))
+ return ERR_CAST(umem);
if (xlt_with_umr) {
- mr = alloc_mr_from_cache(pd, umem, virt_addr, length, ncont,
- page_shift, order, access_flags);
+ mr = alloc_mr_from_cache(pd, umem, virt_addr, access_flags);
if (IS_ERR(mr))
mr = NULL;
}
if (!mr) {
mutex_lock(&dev->slow_path_mutex);
- mr = reg_create(NULL, pd, virt_addr, length, umem, ncont,
- page_shift, access_flags, !xlt_with_umr);
+ mr = reg_create(NULL, pd, umem, virt_addr, access_flags,
+ !xlt_with_umr);
mutex_unlock(&dev->slow_path_mutex);
}
@@ -1419,7 +1531,8 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
mlx5_ib_dbg(dev, "mkey 0x%x\n", mr->mmkey.key);
mr->umem = umem;
- set_mr_fields(dev, mr, npages, length, access_flags);
+ atomic_add(ib_umem_num_pages(mr->umem), &dev->mdev->priv.reg_pages);
+ set_mr_fields(dev, mr, length, access_flags);
if (xlt_with_umr && !(access_flags & IB_ACCESS_ON_DEMAND)) {
/*
@@ -1427,10 +1540,7 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
* configured properly but left disabled. It is safe to go ahead
* and configure it again via UMR while enabling it.
*/
- int update_xlt_flags = MLX5_IB_UPD_XLT_ENABLE;
-
- err = mlx5_ib_update_xlt(mr, 0, ncont, page_shift,
- update_xlt_flags);
+ err = mlx5_ib_update_mr_pas(mr, MLX5_IB_UPD_XLT_ENABLE);
if (err) {
dereg_mr(dev, mr);
return ERR_PTR(err);
@@ -1520,19 +1630,13 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
int access_flags = flags & IB_MR_REREG_ACCESS ?
new_access_flags :
mr->access_flags;
- int page_shift = 0;
int upd_flags = 0;
- int npages = 0;
- int ncont = 0;
- int order = 0;
u64 addr, len;
int err;
mlx5_ib_dbg(dev, "start 0x%llx, virt_addr 0x%llx, length 0x%llx, access_flags 0x%x\n",
start, virt_addr, length, access_flags);
- atomic_sub(mr->npages, &dev->mdev->priv.reg_pages);
-
if (!mr->umem)
return -EINVAL;
@@ -1553,12 +1657,17 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
* used.
*/
flags |= IB_MR_REREG_TRANS;
+ atomic_sub(ib_umem_num_pages(mr->umem),
+ &dev->mdev->priv.reg_pages);
ib_umem_release(mr->umem);
- mr->umem = NULL;
- err = mr_umem_get(dev, addr, len, access_flags, &mr->umem,
- &npages, &page_shift, &ncont, &order);
- if (err)
+ mr->umem = mr_umem_get(dev, addr, len, access_flags);
+ if (IS_ERR(mr->umem)) {
+ err = PTR_ERR(mr->umem);
+ mr->umem = NULL;
goto err;
+ }
+ atomic_add(ib_umem_num_pages(mr->umem),
+ &dev->mdev->priv.reg_pages);
}
if (!mlx5_ib_can_reconfig_with_umr(dev, mr->access_flags,
@@ -1575,9 +1684,7 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
if (err)
goto err;
- mr = reg_create(ib_mr, pd, addr, len, mr->umem, ncont,
- page_shift, access_flags, true);
-
+ mr = reg_create(ib_mr, pd, mr->umem, addr, access_flags, true);
if (IS_ERR(mr)) {
err = PTR_ERR(mr);
mr = to_mmr(ib_mr);
@@ -1599,8 +1706,7 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
upd_flags |= MLX5_IB_UPD_XLT_PD;
if (flags & IB_MR_REREG_ACCESS)
upd_flags |= MLX5_IB_UPD_XLT_ACCESS;
- err = mlx5_ib_update_xlt(mr, 0, npages, page_shift,
- upd_flags);
+ err = mlx5_ib_update_mr_pas(mr, upd_flags);
} else {
err = rereg_umr(pd, mr, access_flags, flags);
}
@@ -1609,7 +1715,7 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
goto err;
}
- set_mr_fields(dev, mr, npages, len, access_flags);
+ set_mr_fields(dev, mr, len, access_flags);
return 0;
@@ -1627,6 +1733,8 @@ mlx5_alloc_priv_descs(struct ib_device *device,
int ndescs,
int desc_size)
{
+ struct mlx5_ib_dev *dev = to_mdev(device);
+ struct device *ddev = &dev->mdev->pdev->dev;
int size = ndescs * desc_size;
int add_size;
int ret;
@@ -1639,9 +1747,8 @@ mlx5_alloc_priv_descs(struct ib_device *device,
mr->descs = PTR_ALIGN(mr->descs_alloc, MLX5_UMR_ALIGN);
- mr->desc_map = dma_map_single(device->dev.parent, mr->descs,
- size, DMA_TO_DEVICE);
- if (dma_mapping_error(device->dev.parent, mr->desc_map)) {
+ mr->desc_map = dma_map_single(ddev, mr->descs, size, DMA_TO_DEVICE);
+ if (dma_mapping_error(ddev, mr->desc_map)) {
ret = -ENOMEM;
goto err;
}
@@ -1659,9 +1766,10 @@ mlx5_free_priv_descs(struct mlx5_ib_mr *mr)
if (mr->descs) {
struct ib_device *device = mr->ibmr.device;
int size = mr->max_descs * mr->desc_size;
+ struct mlx5_ib_dev *dev = to_mdev(device);
- dma_unmap_single(device->dev.parent, mr->desc_map,
- size, DMA_TO_DEVICE);
+ dma_unmap_single(&dev->mdev->pdev->dev, mr->desc_map, size,
+ DMA_TO_DEVICE);
kfree(mr->descs_alloc);
mr->descs = NULL;
}
@@ -1691,7 +1799,6 @@ static void clean_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
static void dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
{
- int npages = mr->npages;
struct ib_umem *umem = mr->umem;
/* Stop all DMA */
@@ -1700,14 +1807,17 @@ static void dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
else
clean_mr(dev, mr);
+ if (umem) {
+ if (!is_odp_mr(mr))
+ atomic_sub(ib_umem_num_pages(umem),
+ &dev->mdev->priv.reg_pages);
+ ib_umem_release(umem);
+ }
+
if (mr->cache_ent)
mlx5_mr_cache_free(dev, mr);
else
kfree(mr);
-
- ib_umem_release(umem);
- atomic_sub(npages, &dev->mdev->priv.reg_pages);
-
}
int mlx5_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 600e056798c0..9d32f3173231 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -778,39 +778,6 @@ int bfregn_to_uar_index(struct mlx5_ib_dev *dev,
return bfregi->sys_pages[index_of_sys_page] + offset;
}
-static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, struct ib_udata *udata,
- unsigned long addr, size_t size,
- struct ib_umem **umem, int *npages, int *page_shift,
- int *ncont, u32 *offset)
-{
- int err;
-
- *umem = ib_umem_get(&dev->ib_dev, addr, size, 0);
- if (IS_ERR(*umem)) {
- mlx5_ib_dbg(dev, "umem_get failed\n");
- return PTR_ERR(*umem);
- }
-
- mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL);
-
- err = mlx5_ib_get_buf_offset(addr, *page_shift, offset);
- if (err) {
- mlx5_ib_warn(dev, "bad offset\n");
- goto err_umem;
- }
-
- mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n",
- addr, size, *npages, *page_shift, *ncont, *offset);
-
- return 0;
-
-err_umem:
- ib_umem_release(*umem);
- *umem = NULL;
-
- return err;
-}
-
static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd,
struct mlx5_ib_rwq *rwq, struct ib_udata *udata)
{
@@ -833,10 +800,8 @@ static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd,
{
struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context(
udata, struct mlx5_ib_ucontext, ibucontext);
- int page_shift = 0;
- int npages;
+ unsigned long page_size = 0;
u32 offset = 0;
- int ncont = 0;
int err;
if (!ucmd->buf_addr)
@@ -849,23 +814,26 @@ static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd,
return err;
}
- mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift,
- &ncont, NULL);
- err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift,
- &rwq->rq_page_offset);
- if (err) {
+ page_size = mlx5_umem_find_best_quantized_pgoff(
+ rwq->umem, wq, log_wq_pg_sz, MLX5_ADAPTER_PAGE_SHIFT,
+ page_offset, 64, &rwq->rq_page_offset);
+ if (!page_size) {
mlx5_ib_warn(dev, "bad offset\n");
+ err = -EINVAL;
goto err_umem;
}
- rwq->rq_num_pas = ncont;
- rwq->page_shift = page_shift;
- rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT;
+ rwq->rq_num_pas = ib_umem_num_dma_blocks(rwq->umem, page_size);
+ rwq->page_shift = order_base_2(page_size);
+ rwq->log_page_size = rwq->page_shift - MLX5_ADAPTER_PAGE_SHIFT;
rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE);
- mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n",
- (unsigned long long)ucmd->buf_addr, rwq->buf_size,
- npages, page_shift, ncont, offset);
+ mlx5_ib_dbg(
+ dev,
+ "addr 0x%llx, size %zd, npages %zu, page_size %ld, ncont %d, offset %d\n",
+ (unsigned long long)ucmd->buf_addr, rwq->buf_size,
+ ib_umem_num_pages(rwq->umem), page_size, rwq->rq_num_pas,
+ offset);
err = mlx5_ib_db_map_user(ucontext, udata, ucmd->db_addr, &rwq->db);
if (err) {
@@ -896,10 +864,9 @@ static int _create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,
{
struct mlx5_ib_ucontext *context;
struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer;
- int page_shift = 0;
+ unsigned int page_offset_quantized = 0;
+ unsigned long page_size = 0;
int uar_index = 0;
- int npages;
- u32 offset = 0;
int bfregn;
int ncont = 0;
__be64 *pas;
@@ -950,11 +917,21 @@ static int _create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,
if (ucmd->buf_addr && ubuffer->buf_size) {
ubuffer->buf_addr = ucmd->buf_addr;
- err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr,
- ubuffer->buf_size, &ubuffer->umem,
- &npages, &page_shift, &ncont, &offset);
- if (err)
+ ubuffer->umem = ib_umem_get(&dev->ib_dev, ubuffer->buf_addr,
+ ubuffer->buf_size, 0);
+ if (IS_ERR(ubuffer->umem)) {
+ err = PTR_ERR(ubuffer->umem);
goto err_bfreg;
+ }
+ page_size = mlx5_umem_find_best_quantized_pgoff(
+ ubuffer->umem, qpc, log_page_size,
+ MLX5_ADAPTER_PAGE_SHIFT, page_offset, 64,
+ &page_offset_quantized);
+ if (!page_size) {
+ err = -EINVAL;
+ goto err_umem;
+ }
+ ncont = ib_umem_num_dma_blocks(ubuffer->umem, page_size);
} else {
ubuffer->umem = NULL;
}
@@ -969,15 +946,14 @@ static int _create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,
uid = (attr->qp_type != IB_QPT_XRC_INI) ? to_mpd(pd)->uid : 0;
MLX5_SET(create_qp_in, *in, uid, uid);
- pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas);
- if (ubuffer->umem)
- mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0);
-
qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc);
-
- MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT);
- MLX5_SET(qpc, qpc, page_offset, offset);
-
+ pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas);
+ if (ubuffer->umem) {
+ mlx5_ib_populate_pas(ubuffer->umem, page_size, pas, 0);
+ MLX5_SET(qpc, qpc, log_page_size,
+ order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT);
+ MLX5_SET(qpc, qpc, page_offset, page_offset_quantized);
+ }
MLX5_SET(qpc, qpc, uar_page, uar_index);
if (bfregn != MLX5_IB_INVALID_BFREG)
resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn);
@@ -1209,18 +1185,24 @@ static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
void *wq;
int inlen;
int err;
- int page_shift = 0;
- int npages;
- int ncont = 0;
- u32 offset = 0;
-
- err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, ubuffer->buf_size,
- &sq->ubuffer.umem, &npages, &page_shift, &ncont,
- &offset);
- if (err)
- return err;
+ unsigned int page_offset_quantized;
+ unsigned long page_size;
+
+ sq->ubuffer.umem = ib_umem_get(&dev->ib_dev, ubuffer->buf_addr,
+ ubuffer->buf_size, 0);
+ if (IS_ERR(sq->ubuffer.umem))
+ return PTR_ERR(sq->ubuffer.umem);
+ page_size = mlx5_umem_find_best_quantized_pgoff(
+ ubuffer->umem, wq, log_wq_pg_sz, MLX5_ADAPTER_PAGE_SHIFT,
+ page_offset, 64, &page_offset_quantized);
+ if (!page_size) {
+ err = -EINVAL;
+ goto err_umem;
+ }
- inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont;
+ inlen = MLX5_ST_SZ_BYTES(create_sq_in) +
+ sizeof(u64) *
+ ib_umem_num_dma_blocks(sq->ubuffer.umem, page_size);
in = kvzalloc(inlen, GFP_KERNEL);
if (!in) {
err = -ENOMEM;
@@ -1248,11 +1230,12 @@ static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr));
MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB));
MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size));
- MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT);
- MLX5_SET(wq, wq, page_offset, offset);
+ MLX5_SET(wq, wq, log_wq_pg_sz,
+ order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT);
+ MLX5_SET(wq, wq, page_offset, page_offset_quantized);
pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas);
- mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0);
+ mlx5_ib_populate_pas(sq->ubuffer.umem, page_size, pas, 0);
err = mlx5_core_create_sq_tracked(dev, in, inlen, &sq->base.mqp);
@@ -1278,40 +1261,31 @@ static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
ib_umem_release(sq->ubuffer.umem);
}
-static size_t get_rq_pas_size(void *qpc)
-{
- u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12;
- u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride);
- u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size);
- u32 page_offset = MLX5_GET(qpc, qpc, page_offset);
- u32 po_quanta = 1 << (log_page_size - 6);
- u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride);
- u32 page_size = 1 << log_page_size;
- u32 rq_sz_po = rq_sz + (page_offset * po_quanta);
- u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size;
-
- return rq_num_pas * sizeof(u64);
-}
-
static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
struct mlx5_ib_rq *rq, void *qpin,
- size_t qpinlen, struct ib_pd *pd)
+ struct ib_pd *pd)
{
struct mlx5_ib_qp *mqp = rq->base.container_mibqp;
__be64 *pas;
- __be64 *qp_pas;
void *in;
void *rqc;
void *wq;
void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc);
- size_t rq_pas_size = get_rq_pas_size(qpc);
+ struct ib_umem *umem = rq->base.ubuffer.umem;
+ unsigned int page_offset_quantized;
+ unsigned long page_size = 0;
size_t inlen;
int err;
- if (qpinlen < rq_pas_size + MLX5_BYTE_OFF(create_qp_in, pas))
+ page_size = mlx5_umem_find_best_quantized_pgoff(umem, wq, log_wq_pg_sz,
+ MLX5_ADAPTER_PAGE_SHIFT,
+ page_offset, 64,
+ &page_offset_quantized);
+ if (!page_size)
return -EINVAL;
- inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size;
+ inlen = MLX5_ST_SZ_BYTES(create_rq_in) +
+ sizeof(u64) * ib_umem_num_dma_blocks(umem, page_size);
in = kvzalloc(inlen, GFP_KERNEL);
if (!in)
return -ENOMEM;
@@ -1333,16 +1307,16 @@ static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC);
if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING)
MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN);
- MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset));
+ MLX5_SET(wq, wq, page_offset, page_offset_quantized);
MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd));
MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr));
MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4);
- MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size));
+ MLX5_SET(wq, wq, log_wq_pg_sz,
+ order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT);
MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size));
pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas);
- qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas);
- memcpy(pas, qp_pas, rq_pas_size);
+ mlx5_ib_populate_pas(umem, page_size, pas, 0);
err = mlx5_core_create_rq_tracked(dev, in, inlen, &rq->base.mqp);
@@ -1463,7 +1437,7 @@ static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING;
if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING)
rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING;
- err = create_raw_packet_qp_rq(dev, rq, in, inlen, pd);
+ err = create_raw_packet_qp_rq(dev, rq, in, pd);
if (err)
goto err_destroy_sq;
@@ -2436,7 +2410,7 @@ static int create_dct(struct mlx5_ib_dev *dev, struct ib_pd *pd,
}
qp->state = IB_QPS_RESET;
-
+ rdma_restrack_no_track(&qp->ibqp.res);
return 0;
}
@@ -2460,6 +2434,7 @@ static int check_qp_type(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr,
case IB_QPT_GSI:
if (dev->profile == &raw_eth_profile)
goto out;
+ fallthrough;
case IB_QPT_RAW_PACKET:
case IB_QPT_UD:
case MLX5_IB_QPT_REG_UMR:
@@ -2712,11 +2687,12 @@ static int process_create_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_SQPN_QP1,
true, qp);
- if (create_flags)
+ if (create_flags) {
mlx5_ib_dbg(dev, "Create QP has unsupported flags 0x%X\n",
create_flags);
-
- return (create_flags) ? -EINVAL : 0;
+ return -EOPNOTSUPP;
+ }
+ return 0;
}
static int process_udata_size(struct mlx5_ib_dev *dev,
@@ -4247,6 +4223,9 @@ int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int err = -EINVAL;
int port;
+ if (attr_mask & ~(IB_QP_ATTR_STANDARD_BITS | IB_QP_RATE_LIMIT))
+ return -EOPNOTSUPP;
+
if (ibqp->rwq_ind_tbl)
return -ENOSYS;
@@ -4576,7 +4555,9 @@ static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
pri_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path);
alt_path = MLX5_ADDR_OF(qpc, qpc, secondary_address_path);
- if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) {
+ if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC ||
+ qp->ibqp.qp_type == IB_QPT_XRC_INI ||
+ qp->ibqp.qp_type == IB_QPT_XRC_TGT) {
to_rdma_ah_attr(dev, &qp_attr->ah_attr, pri_path);
to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, alt_path);
qp_attr->alt_pkey_index = MLX5_GET(ads, alt_path, pkey_index);
@@ -4882,7 +4863,7 @@ static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd,
MLX5_SET(rqc, rqc, delay_drop_en, 1);
}
rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas);
- mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0);
+ mlx5_ib_populate_pas(rwq->umem, 1UL << rwq->page_shift, rq_pas0, 0);
err = mlx5_core_create_rq_tracked(dev, in, inlen, &rwq->core_qp);
if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) {
err = set_delay_drop(dev);
diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c
index e2f720eec1e1..fab6736e4d6a 100644
--- a/drivers/infiniband/hw/mlx5/srq.c
+++ b/drivers/infiniband/hw/mlx5/srq.c
@@ -51,10 +51,6 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq,
udata, struct mlx5_ib_ucontext, ibucontext);
size_t ucmdlen;
int err;
- int npages;
- int page_shift;
- int ncont;
- u32 offset;
u32 uidx = MLX5_IB_DEFAULT_UIDX;
ucmdlen = min(udata->inlen, sizeof(ucmd));
@@ -86,32 +82,14 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq,
err = PTR_ERR(srq->umem);
return err;
}
-
- mlx5_ib_cont_pages(srq->umem, ucmd.buf_addr, 0, &npages,
- &page_shift, &ncont, NULL);
- err = mlx5_ib_get_buf_offset(ucmd.buf_addr, page_shift,
- &offset);
- if (err) {
- mlx5_ib_warn(dev, "bad offset\n");
- goto err_umem;
- }
-
- in->pas = kvcalloc(ncont, sizeof(*in->pas), GFP_KERNEL);
- if (!in->pas) {
- err = -ENOMEM;
- goto err_umem;
- }
-
- mlx5_ib_populate_pas(dev, srq->umem, page_shift, in->pas, 0);
+ in->umem = srq->umem;
err = mlx5_ib_db_map_user(ucontext, udata, ucmd.db_addr, &srq->db);
if (err) {
mlx5_ib_dbg(dev, "map doorbell failed\n");
- goto err_in;
+ goto err_umem;
}
- in->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT;
- in->page_offset = offset;
in->uid = (in->type != IB_SRQT_XRC) ? to_mpd(pd)->uid : 0;
if (MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1 &&
in->type != IB_SRQT_BASIC)
@@ -119,9 +97,6 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq,
return 0;
-err_in:
- kvfree(in->pas);
-
err_umem:
ib_umem_release(srq->umem);
@@ -226,6 +201,11 @@ int mlx5_ib_create_srq(struct ib_srq *ib_srq,
struct mlx5_srq_attr in = {};
__u32 max_srq_wqes = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz);
+ if (init_attr->srq_type != IB_SRQT_BASIC &&
+ init_attr->srq_type != IB_SRQT_XRC &&
+ init_attr->srq_type != IB_SRQT_TM)
+ return -EOPNOTSUPP;
+
/* Sanity check SRQ size before proceeding */
if (init_attr->attr.max_wr >= max_srq_wqes) {
mlx5_ib_dbg(dev, "max_wr %d, cap %d\n",
diff --git a/drivers/infiniband/hw/mlx5/srq.h b/drivers/infiniband/hw/mlx5/srq.h
index 2c3627b2509d..a7e3dc5564ac 100644
--- a/drivers/infiniband/hw/mlx5/srq.h
+++ b/drivers/infiniband/hw/mlx5/srq.h
@@ -28,6 +28,7 @@ struct mlx5_srq_attr {
u32 user_index;
u64 db_record;
__be64 *pas;
+ struct ib_umem *umem;
u32 tm_log_list_size;
u32 tm_next_tag;
u32 tm_hw_phase_cnt;
diff --git a/drivers/infiniband/hw/mlx5/srq_cmd.c b/drivers/infiniband/hw/mlx5/srq_cmd.c
index db889ec3fd48..8b3385396599 100644
--- a/drivers/infiniband/hw/mlx5/srq_cmd.c
+++ b/drivers/infiniband/hw/mlx5/srq_cmd.c
@@ -92,6 +92,25 @@ struct mlx5_core_srq *mlx5_cmd_get_srq(struct mlx5_ib_dev *dev, u32 srqn)
return srq;
}
+static int __set_srq_page_size(struct mlx5_srq_attr *in,
+ unsigned long page_size)
+{
+ if (!page_size)
+ return -EINVAL;
+ in->log_page_size = order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT;
+
+ if (WARN_ON(get_pas_size(in) !=
+ ib_umem_num_dma_blocks(in->umem, page_size) * sizeof(u64)))
+ return -EINVAL;
+ return 0;
+}
+
+#define set_srq_page_size(in, typ, log_pgsz_fld) \
+ __set_srq_page_size(in, mlx5_umem_find_best_quantized_pgoff( \
+ (in)->umem, typ, log_pgsz_fld, \
+ MLX5_ADAPTER_PAGE_SHIFT, page_offset, \
+ 64, &(in)->page_offset))
+
static int create_srq_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
struct mlx5_srq_attr *in)
{
@@ -103,6 +122,12 @@ static int create_srq_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
int inlen;
int err;
+ if (in->umem) {
+ err = set_srq_page_size(in, srqc, log_page_size);
+ if (err)
+ return err;
+ }
+
pas_size = get_pas_size(in);
inlen = MLX5_ST_SZ_BYTES(create_srq_in) + pas_size;
create_in = kvzalloc(inlen, GFP_KERNEL);
@@ -114,7 +139,13 @@ static int create_srq_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
pas = MLX5_ADDR_OF(create_srq_in, create_in, pas);
set_srqc(srqc, in);
- memcpy(pas, in->pas, pas_size);
+ if (in->umem)
+ mlx5_ib_populate_pas(
+ in->umem,
+ 1UL << (in->log_page_size + MLX5_ADAPTER_PAGE_SHIFT),
+ pas, 0);
+ else
+ memcpy(pas, in->pas, pas_size);
MLX5_SET(create_srq_in, create_in, opcode,
MLX5_CMD_OP_CREATE_SRQ);
@@ -194,6 +225,12 @@ static int create_xrc_srq_cmd(struct mlx5_ib_dev *dev,
int inlen;
int err;
+ if (in->umem) {
+ err = set_srq_page_size(in, xrc_srqc, log_page_size);
+ if (err)
+ return err;
+ }
+
pas_size = get_pas_size(in);
inlen = MLX5_ST_SZ_BYTES(create_xrc_srq_in) + pas_size;
create_in = kvzalloc(inlen, GFP_KERNEL);
@@ -207,7 +244,13 @@ static int create_xrc_srq_cmd(struct mlx5_ib_dev *dev,
set_srqc(xrc_srqc, in);
MLX5_SET(xrc_srqc, xrc_srqc, user_index, in->user_index);
- memcpy(pas, in->pas, pas_size);
+ if (in->umem)
+ mlx5_ib_populate_pas(
+ in->umem,
+ 1UL << (in->log_page_size + MLX5_ADAPTER_PAGE_SHIFT),
+ pas, 0);
+ else
+ memcpy(pas, in->pas, pas_size);
MLX5_SET(create_xrc_srq_in, create_in, opcode,
MLX5_CMD_OP_CREATE_XRC_SRQ);
@@ -289,11 +332,18 @@ static int create_rmp_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
void *create_in = NULL;
void *rmpc;
void *wq;
+ void *pas;
int pas_size;
int outlen;
int inlen;
int err;
+ if (in->umem) {
+ err = set_srq_page_size(in, wq, log_wq_pg_sz);
+ if (err)
+ return err;
+ }
+
pas_size = get_pas_size(in);
inlen = MLX5_ST_SZ_BYTES(create_rmp_in) + pas_size;
outlen = MLX5_ST_SZ_BYTES(create_rmp_out);
@@ -309,8 +359,16 @@ static int create_rmp_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
MLX5_SET(rmpc, rmpc, state, MLX5_RMPC_STATE_RDY);
MLX5_SET(create_rmp_in, create_in, uid, in->uid);
+ pas = MLX5_ADDR_OF(rmpc, rmpc, wq.pas);
+
set_wq(wq, in);
- memcpy(MLX5_ADDR_OF(rmpc, rmpc, wq.pas), in->pas, pas_size);
+ if (in->umem)
+ mlx5_ib_populate_pas(
+ in->umem,
+ 1UL << (in->log_page_size + MLX5_ADAPTER_PAGE_SHIFT),
+ pas, 0);
+ else
+ memcpy(pas, in->pas, pas_size);
MLX5_SET(create_rmp_in, create_in, opcode, MLX5_CMD_OP_CREATE_RMP);
err = mlx5_cmd_exec(dev->mdev, create_in, inlen, create_out, outlen);
@@ -421,10 +479,17 @@ static int create_xrq_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
void *create_in;
void *xrqc;
void *wq;
+ void *pas;
int pas_size;
int inlen;
int err;
+ if (in->umem) {
+ err = set_srq_page_size(in, wq, log_wq_pg_sz);
+ if (err)
+ return err;
+ }
+
pas_size = get_pas_size(in);
inlen = MLX5_ST_SZ_BYTES(create_xrq_in) + pas_size;
create_in = kvzalloc(inlen, GFP_KERNEL);
@@ -433,9 +498,16 @@ static int create_xrq_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
xrqc = MLX5_ADDR_OF(create_xrq_in, create_in, xrq_context);
wq = MLX5_ADDR_OF(xrqc, xrqc, wq);
+ pas = MLX5_ADDR_OF(xrqc, xrqc, wq.pas);
set_wq(wq, in);
- memcpy(MLX5_ADDR_OF(xrqc, xrqc, wq.pas), in->pas, pas_size);
+ if (in->umem)
+ mlx5_ib_populate_pas(
+ in->umem,
+ 1UL << (in->log_page_size + MLX5_ADAPTER_PAGE_SHIFT),
+ pas, 0);
+ else
+ memcpy(pas, in->pas, pas_size);
if (in->type == IB_SRQT_TM) {
MLX5_SET(xrqc, xrqc, topology, MLX5_XRQC_TOPOLOGY_TAG_MATCHING);
diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c
index 119b2573c9a0..26c3408dcaca 100644
--- a/drivers/infiniband/hw/mthca/mthca_cq.c
+++ b/drivers/infiniband/hw/mthca/mthca_cq.c
@@ -604,7 +604,7 @@ static inline int mthca_poll_one(struct mthca_dev *dev,
entry->byte_len = MTHCA_ATOMIC_BYTE_LEN;
break;
default:
- entry->opcode = MTHCA_OPCODE_INVALID;
+ entry->opcode = 0xFF;
break;
}
} else {
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index 9dbbf4d16796..a445160de3e1 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -105,7 +105,6 @@ enum {
MTHCA_OPCODE_ATOMIC_CS = 0x11,
MTHCA_OPCODE_ATOMIC_FA = 0x12,
MTHCA_OPCODE_BIND_MW = 0x18,
- MTHCA_OPCODE_INVALID = 0xff
};
enum {
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index c4d9cdc4ee97..1a3dd07f993b 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -470,7 +470,7 @@ static struct ib_qp *mthca_create_qp(struct ib_pd *pd,
int err;
if (init_attr->create_flags)
- return ERR_PTR(-EINVAL);
+ return ERR_PTR(-EOPNOTSUPP);
switch (init_attr->qp_type) {
case IB_QPT_RC:
@@ -612,7 +612,7 @@ static int mthca_create_cq(struct ib_cq *ibcq,
udata, struct mthca_ucontext, ibucontext);
if (attr->flags)
- return -EINVAL;
+ return -EOPNOTSUPP;
if (entries < 1 || entries > to_mdev(ibdev)->limits.max_cqes)
return -EINVAL;
@@ -961,29 +961,34 @@ static ssize_t hw_rev_show(struct device *device,
struct mthca_dev *dev =
rdma_device_to_drv_device(device, struct mthca_dev, ib_dev);
- return sprintf(buf, "%x\n", dev->rev_id);
+ return sysfs_emit(buf, "%x\n", dev->rev_id);
}
static DEVICE_ATTR_RO(hw_rev);
-static ssize_t hca_type_show(struct device *device,
- struct device_attribute *attr, char *buf)
+static const char *hca_type_string(int hca_type)
{
- struct mthca_dev *dev =
- rdma_device_to_drv_device(device, struct mthca_dev, ib_dev);
-
- switch (dev->pdev->device) {
+ switch (hca_type) {
case PCI_DEVICE_ID_MELLANOX_TAVOR:
- return sprintf(buf, "MT23108\n");
+ return "MT23108";
case PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT:
- return sprintf(buf, "MT25208 (MT23108 compat mode)\n");
+ return "MT25208 (MT23108 compat mode)";
case PCI_DEVICE_ID_MELLANOX_ARBEL:
- return sprintf(buf, "MT25208\n");
+ return "MT25208";
case PCI_DEVICE_ID_MELLANOX_SINAI:
case PCI_DEVICE_ID_MELLANOX_SINAI_OLD:
- return sprintf(buf, "MT25204\n");
- default:
- return sprintf(buf, "unknown\n");
+ return "MT25204";
}
+
+ return "unknown";
+}
+
+static ssize_t hca_type_show(struct device *device,
+ struct device_attribute *attr, char *buf)
+{
+ struct mthca_dev *dev =
+ rdma_device_to_drv_device(device, struct mthca_dev, ib_dev);
+
+ return sysfs_emit(buf, "%s\n", hca_type_string(dev->pdev->device));
}
static DEVICE_ATTR_RO(hca_type);
@@ -993,7 +998,7 @@ static ssize_t board_id_show(struct device *device,
struct mthca_dev *dev =
rdma_device_to_drv_device(device, struct mthca_dev, ib_dev);
- return sprintf(buf, "%.*s\n", MTHCA_BOARD_ID_LEN, dev->board_id);
+ return sysfs_emit(buf, "%.*s\n", MTHCA_BOARD_ID_LEN, dev->board_id);
}
static DEVICE_ATTR_RO(board_id);
@@ -1158,36 +1163,12 @@ int mthca_register_device(struct mthca_dev *dev)
if (ret)
return ret;
- dev->ib_dev.uverbs_cmd_mask =
- (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_REG_MR) |
- (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
- (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) |
- (1ull << IB_USER_VERBS_CMD_DETACH_MCAST);
dev->ib_dev.node_type = RDMA_NODE_IB_CA;
dev->ib_dev.phys_port_cnt = dev->limits.num_ports;
dev->ib_dev.num_comp_vectors = 1;
dev->ib_dev.dev.parent = &dev->pdev->dev;
if (dev->mthca_flags & MTHCA_FLAG_SRQ) {
- dev->ib_dev.uverbs_cmd_mask |=
- (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ);
-
if (mthca_is_memfree(dev))
ib_set_device_ops(&dev->ib_dev,
&mthca_dev_arbel_srq_ops);
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index 08a2a7afafd3..07cfc0934b17 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -863,6 +863,9 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
enum ib_qp_state cur_state, new_state;
int err = -EINVAL;
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
mutex_lock(&qp->mutex);
if (attr_mask & IB_QP_CUR_STATE) {
cur_state = attr->cur_qp_state;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index 9b96661a7143..9a834a9cca0e 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -119,7 +119,7 @@ static ssize_t hw_rev_show(struct device *device,
struct ocrdma_dev *dev =
rdma_device_to_drv_device(device, struct ocrdma_dev, ibdev);
- return scnprintf(buf, PAGE_SIZE, "0x%x\n", dev->nic_info.pdev->vendor);
+ return sysfs_emit(buf, "0x%x\n", dev->nic_info.pdev->vendor);
}
static DEVICE_ATTR_RO(hw_rev);
@@ -129,7 +129,7 @@ static ssize_t hca_type_show(struct device *device,
struct ocrdma_dev *dev =
rdma_device_to_drv_device(device, struct ocrdma_dev, ibdev);
- return scnprintf(buf, PAGE_SIZE, "%s\n", &dev->model_number[0]);
+ return sysfs_emit(buf, "%s\n", &dev->model_number[0]);
}
static DEVICE_ATTR_RO(hca_type);
@@ -154,6 +154,7 @@ static const struct ib_device_ops ocrdma_dev_ops = {
.create_ah = ocrdma_create_ah,
.create_cq = ocrdma_create_cq,
.create_qp = ocrdma_create_qp,
+ .create_user_ah = ocrdma_create_ah,
.dealloc_pd = ocrdma_dealloc_pd,
.dealloc_ucontext = ocrdma_dealloc_ucontext,
.dereg_mr = ocrdma_dereg_mr,
@@ -204,32 +205,6 @@ static int ocrdma_register_device(struct ocrdma_dev *dev)
BUILD_BUG_ON(sizeof(OCRDMA_NODE_DESC) > IB_DEVICE_NODE_DESC_MAX);
memcpy(dev->ibdev.node_desc, OCRDMA_NODE_DESC,
sizeof(OCRDMA_NODE_DESC));
- dev->ibdev.uverbs_cmd_mask =
- OCRDMA_UVERBS(GET_CONTEXT) |
- OCRDMA_UVERBS(QUERY_DEVICE) |
- OCRDMA_UVERBS(QUERY_PORT) |
- OCRDMA_UVERBS(ALLOC_PD) |
- OCRDMA_UVERBS(DEALLOC_PD) |
- OCRDMA_UVERBS(REG_MR) |
- OCRDMA_UVERBS(DEREG_MR) |
- OCRDMA_UVERBS(CREATE_COMP_CHANNEL) |
- OCRDMA_UVERBS(CREATE_CQ) |
- OCRDMA_UVERBS(RESIZE_CQ) |
- OCRDMA_UVERBS(DESTROY_CQ) |
- OCRDMA_UVERBS(REQ_NOTIFY_CQ) |
- OCRDMA_UVERBS(CREATE_QP) |
- OCRDMA_UVERBS(MODIFY_QP) |
- OCRDMA_UVERBS(QUERY_QP) |
- OCRDMA_UVERBS(DESTROY_QP) |
- OCRDMA_UVERBS(POLL_CQ) |
- OCRDMA_UVERBS(POST_SEND) |
- OCRDMA_UVERBS(POST_RECV);
-
- dev->ibdev.uverbs_cmd_mask |=
- OCRDMA_UVERBS(CREATE_AH) |
- OCRDMA_UVERBS(MODIFY_AH) |
- OCRDMA_UVERBS(QUERY_AH) |
- OCRDMA_UVERBS(DESTROY_AH);
dev->ibdev.node_type = RDMA_NODE_IB_CA;
dev->ibdev.phys_port_cnt = 1;
@@ -240,16 +215,9 @@ static int ocrdma_register_device(struct ocrdma_dev *dev)
ib_set_device_ops(&dev->ibdev, &ocrdma_dev_ops);
- if (ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R) {
- dev->ibdev.uverbs_cmd_mask |=
- OCRDMA_UVERBS(CREATE_SRQ) |
- OCRDMA_UVERBS(MODIFY_SRQ) |
- OCRDMA_UVERBS(QUERY_SRQ) |
- OCRDMA_UVERBS(DESTROY_SRQ) |
- OCRDMA_UVERBS(POST_SRQ_RECV);
-
+ if (ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R)
ib_set_device_ops(&dev->ibdev, &ocrdma_dev_srq_ops);
- }
+
rdma_set_device_sysfs_group(&dev->ibdev, &ocrdma_attr_group);
ret = ib_device_set_netdev(&dev->ibdev, dev->nic_info.netdev, 1);
if (ret)
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 7350fe16f164..bc98bd950d99 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -974,7 +974,7 @@ int ocrdma_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
struct ocrdma_create_cq_ureq ureq;
if (attr->flags)
- return -EINVAL;
+ return -EOPNOTSUPP;
if (udata) {
if (ib_copy_from_udata(&ureq, udata, sizeof(ureq)))
@@ -1299,6 +1299,9 @@ struct ib_qp *ocrdma_create_qp(struct ib_pd *ibpd,
struct ocrdma_create_qp_ureq ureq;
u16 dpp_credit_lmt, dpp_offset;
+ if (attrs->create_flags)
+ return ERR_PTR(-EOPNOTSUPP);
+
status = ocrdma_check_qp_params(ibpd, dev, attrs, udata);
if (status)
goto gen_err;
@@ -1391,6 +1394,9 @@ int ocrdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
struct ocrdma_dev *dev;
enum ib_qp_state old_qps, new_qps;
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
qp = get_ocrdma_qp(ibqp);
dev = get_ocrdma_dev(ibqp->device);
@@ -1770,6 +1776,9 @@ int ocrdma_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr,
struct ocrdma_dev *dev = get_ocrdma_dev(ibsrq->device);
struct ocrdma_srq *srq = get_ocrdma_srq(ibsrq);
+ if (init_attr->srq_type != IB_SRQT_BASIC)
+ return -EOPNOTSUPP;
+
if (init_attr->attr.max_sge > dev->attr.max_recv_sge)
return -EINVAL;
if (init_attr->attr.max_wr > dev->attr.max_rqe)
diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c
index 967641662b24..8e7c069e1a2d 100644
--- a/drivers/infiniband/hw/qedr/main.c
+++ b/drivers/infiniband/hw/qedr/main.c
@@ -124,7 +124,7 @@ static ssize_t hw_rev_show(struct device *device, struct device_attribute *attr,
struct qedr_dev *dev =
rdma_device_to_drv_device(device, struct qedr_dev, ibdev);
- return scnprintf(buf, PAGE_SIZE, "0x%x\n", dev->attr.hw_ver);
+ return sysfs_emit(buf, "0x%x\n", dev->attr.hw_ver);
}
static DEVICE_ATTR_RO(hw_rev);
@@ -134,10 +134,9 @@ static ssize_t hca_type_show(struct device *device,
struct qedr_dev *dev =
rdma_device_to_drv_device(device, struct qedr_dev, ibdev);
- return scnprintf(buf, PAGE_SIZE, "FastLinQ QL%x %s\n",
- dev->pdev->device,
- rdma_protocol_iwarp(&dev->ibdev, 1) ?
- "iWARP" : "RoCE");
+ return sysfs_emit(buf, "FastLinQ QL%x %s\n", dev->pdev->device,
+ rdma_protocol_iwarp(&dev->ibdev, 1) ? "iWARP" :
+ "RoCE");
}
static DEVICE_ATTR_RO(hca_type);
@@ -188,10 +187,6 @@ static void qedr_roce_register_device(struct qedr_dev *dev)
dev->ibdev.node_type = RDMA_NODE_IB_CA;
ib_set_device_ops(&dev->ibdev, &qedr_roce_dev_ops);
-
- dev->ibdev.uverbs_cmd_mask |= QEDR_UVERBS(OPEN_XRCD) |
- QEDR_UVERBS(CLOSE_XRCD) |
- QEDR_UVERBS(CREATE_XSRQ);
}
static const struct ib_device_ops qedr_dev_ops = {
@@ -249,31 +244,6 @@ static int qedr_register_device(struct qedr_dev *dev)
dev->ibdev.node_guid = dev->attr.node_guid;
memcpy(dev->ibdev.node_desc, QEDR_NODE_DESC, sizeof(QEDR_NODE_DESC));
- dev->ibdev.uverbs_cmd_mask = QEDR_UVERBS(GET_CONTEXT) |
- QEDR_UVERBS(QUERY_DEVICE) |
- QEDR_UVERBS(QUERY_PORT) |
- QEDR_UVERBS(ALLOC_PD) |
- QEDR_UVERBS(DEALLOC_PD) |
- QEDR_UVERBS(CREATE_COMP_CHANNEL) |
- QEDR_UVERBS(CREATE_CQ) |
- QEDR_UVERBS(RESIZE_CQ) |
- QEDR_UVERBS(DESTROY_CQ) |
- QEDR_UVERBS(REQ_NOTIFY_CQ) |
- QEDR_UVERBS(CREATE_QP) |
- QEDR_UVERBS(MODIFY_QP) |
- QEDR_UVERBS(QUERY_QP) |
- QEDR_UVERBS(DESTROY_QP) |
- QEDR_UVERBS(CREATE_SRQ) |
- QEDR_UVERBS(DESTROY_SRQ) |
- QEDR_UVERBS(QUERY_SRQ) |
- QEDR_UVERBS(MODIFY_SRQ) |
- QEDR_UVERBS(POST_SRQ_RECV) |
- QEDR_UVERBS(REG_MR) |
- QEDR_UVERBS(DEREG_MR) |
- QEDR_UVERBS(POLL_CQ) |
- QEDR_UVERBS(POST_SEND) |
- QEDR_UVERBS(POST_RECV);
-
if (IS_IWARP(dev)) {
rc = qedr_iw_register_device(dev);
if (rc)
@@ -796,6 +766,7 @@ static void qedr_affiliated_event(void *context, u8 e_code, void *fw_handle)
}
xa_unlock_irqrestore(&dev->srqs, flags);
DP_NOTICE(dev, "SRQ event %d on handle %p\n", e_code, srq);
+ break;
default:
break;
}
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index 019642ff24a7..2e85bb5104cb 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -928,6 +928,9 @@ int qedr_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
"create_cq: called from %s. entries=%d, vector=%d\n",
udata ? "User Lib" : "Kernel", entries, vector);
+ if (attr->flags)
+ return -EOPNOTSUPP;
+
if (entries > QEDR_MAX_CQES) {
DP_ERR(dev,
"create cq: the number of entries %d is too high. Must be equal or below %d.\n",
@@ -1546,6 +1549,10 @@ int qedr_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr,
"create SRQ called from %s (pd %p)\n",
(udata) ? "User lib" : "kernel", pd);
+ if (init_attr->srq_type != IB_SRQT_BASIC &&
+ init_attr->srq_type != IB_SRQT_XRC)
+ return -EOPNOTSUPP;
+
rc = qedr_check_srq_params(dev, init_attr, udata);
if (rc)
return -EINVAL;
@@ -2232,6 +2239,9 @@ struct ib_qp *qedr_create_qp(struct ib_pd *ibpd,
struct ib_qp *ibqp;
int rc = 0;
+ if (attrs->create_flags)
+ return ERR_PTR(-EOPNOTSUPP);
+
if (attrs->qp_type == IB_QPT_XRC_TGT) {
xrcd = get_qedr_xrcd(attrs->xrcd);
dev = get_qedr_dev(xrcd->ibxrcd.device);
@@ -2468,6 +2478,9 @@ int qedr_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
"modify qp: qp %p attr_mask=0x%x, state=%d", qp, attr_mask,
attr->qp_state);
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
old_qp_state = qedr_get_ibqp_state(qp->state);
if (attr_mask & IB_QP_STATE)
new_qp_state = attr->qp_state;
diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c
index 3dc6ce033319..2e07b3749b88 100644
--- a/drivers/infiniband/hw/qib/qib_pcie.c
+++ b/drivers/infiniband/hw/qib/qib_pcie.c
@@ -90,25 +90,18 @@ int qib_pcie_init(struct pci_dev *pdev, const struct pci_device_id *ent)
goto bail;
}
- ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
+ ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
if (ret) {
/*
* If the 64 bit setup fails, try 32 bit. Some systems
* do not setup 64 bit maps on systems with 2GB or less
* memory installed.
*/
- ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (ret) {
qib_devinfo(pdev, "Unable to set DMA mask: %d\n", ret);
goto bail;
}
- ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
- } else
- ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
- if (ret) {
- qib_early_err(&pdev->dev,
- "Unable to set DMA consistent mask: %d\n", ret);
- goto bail;
}
pci_set_master(pdev);
diff --git a/drivers/infiniband/hw/qib/qib_sysfs.c b/drivers/infiniband/hw/qib/qib_sysfs.c
index 021df0654ba7..62c179fc764b 100644
--- a/drivers/infiniband/hw/qib/qib_sysfs.c
+++ b/drivers/infiniband/hw/qib/qib_sysfs.c
@@ -43,11 +43,8 @@
static ssize_t show_hrtbt_enb(struct qib_pportdata *ppd, char *buf)
{
struct qib_devdata *dd = ppd->dd;
- int ret;
- ret = dd->f_get_ib_cfg(ppd, QIB_IB_CFG_HRTBT);
- ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret);
- return ret;
+ return sysfs_emit(buf, "%d\n", dd->f_get_ib_cfg(ppd, QIB_IB_CFG_HRTBT));
}
static ssize_t store_hrtbt_enb(struct qib_pportdata *ppd, const char *buf,
@@ -106,14 +103,10 @@ static ssize_t store_led_override(struct qib_pportdata *ppd, const char *buf,
static ssize_t show_status(struct qib_pportdata *ppd, char *buf)
{
- ssize_t ret;
-
if (!ppd->statusp)
- ret = -EINVAL;
- else
- ret = scnprintf(buf, PAGE_SIZE, "0x%llx\n",
- (unsigned long long) *(ppd->statusp));
- return ret;
+ return -EINVAL;
+
+ return sysfs_emit(buf, "0x%llx\n", (unsigned long long)*(ppd->statusp));
}
/*
@@ -392,7 +385,7 @@ static ssize_t sl2vl_attr_show(struct kobject *kobj, struct attribute *attr,
container_of(kobj, struct qib_pportdata, sl2vl_kobj);
struct qib_ibport *qibp = &ppd->ibport_data;
- return sprintf(buf, "%u\n", qibp->sl_to_vl[sattr->sl]);
+ return sysfs_emit(buf, "%u\n", qibp->sl_to_vl[sattr->sl]);
}
static const struct sysfs_ops qib_sl2vl_ops = {
@@ -501,17 +494,18 @@ static ssize_t diagc_attr_show(struct kobject *kobj, struct attribute *attr,
struct qib_pportdata *ppd =
container_of(kobj, struct qib_pportdata, diagc_kobj);
struct qib_ibport *qibp = &ppd->ibport_data;
+ u64 val;
if (!strncmp(dattr->attr.name, "rc_acks", 7))
- return sprintf(buf, "%llu\n", READ_PER_CPU_CNTR(rc_acks));
+ val = READ_PER_CPU_CNTR(rc_acks);
else if (!strncmp(dattr->attr.name, "rc_qacks", 8))
- return sprintf(buf, "%llu\n", READ_PER_CPU_CNTR(rc_qacks));
+ val = READ_PER_CPU_CNTR(rc_qacks);
else if (!strncmp(dattr->attr.name, "rc_delayed_comp", 15))
- return sprintf(buf, "%llu\n",
- READ_PER_CPU_CNTR(rc_delayed_comp));
+ val = READ_PER_CPU_CNTR(rc_delayed_comp);
else
- return sprintf(buf, "%u\n",
- *(u32 *)((char *)qibp + dattr->counter));
+ val = *(u32 *)((char *)qibp + dattr->counter);
+
+ return sysfs_emit(buf, "%llu\n", val);
}
static ssize_t diagc_attr_store(struct kobject *kobj, struct attribute *attr,
@@ -565,7 +559,7 @@ static ssize_t hw_rev_show(struct device *device, struct device_attribute *attr,
struct qib_ibdev *dev =
rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev);
- return sprintf(buf, "%x\n", dd_from_dev(dev)->minrev);
+ return sysfs_emit(buf, "%x\n", dd_from_dev(dev)->minrev);
}
static DEVICE_ATTR_RO(hw_rev);
@@ -575,13 +569,10 @@ static ssize_t hca_type_show(struct device *device,
struct qib_ibdev *dev =
rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev);
struct qib_devdata *dd = dd_from_dev(dev);
- int ret;
if (!dd->boardname)
- ret = -EINVAL;
- else
- ret = scnprintf(buf, PAGE_SIZE, "%s\n", dd->boardname);
- return ret;
+ return -EINVAL;
+ return sysfs_emit(buf, "%s\n", dd->boardname);
}
static DEVICE_ATTR_RO(hca_type);
static DEVICE_ATTR(board_id, 0444, hca_type_show, NULL);
@@ -590,7 +581,7 @@ static ssize_t version_show(struct device *device,
struct device_attribute *attr, char *buf)
{
/* The string printed here is already newline-terminated. */
- return scnprintf(buf, PAGE_SIZE, "%s", (char *)ib_qib_version);
+ return sysfs_emit(buf, "%s", (char *)ib_qib_version);
}
static DEVICE_ATTR_RO(version);
@@ -602,7 +593,7 @@ static ssize_t boardversion_show(struct device *device,
struct qib_devdata *dd = dd_from_dev(dev);
/* The string printed here is already newline-terminated. */
- return scnprintf(buf, PAGE_SIZE, "%s", dd->boardversion);
+ return sysfs_emit(buf, "%s", dd->boardversion);
}
static DEVICE_ATTR_RO(boardversion);
@@ -614,7 +605,7 @@ static ssize_t localbus_info_show(struct device *device,
struct qib_devdata *dd = dd_from_dev(dev);
/* The string printed here is already newline-terminated. */
- return scnprintf(buf, PAGE_SIZE, "%s", dd->lbus_info);
+ return sysfs_emit(buf, "%s", dd->lbus_info);
}
static DEVICE_ATTR_RO(localbus_info);
@@ -628,9 +619,10 @@ static ssize_t nctxts_show(struct device *device,
/* Return the number of user ports (contexts) available. */
/* The calculation below deals with a special case where
* cfgctxts is set to 1 on a single-port board. */
- return scnprintf(buf, PAGE_SIZE, "%u\n",
- (dd->first_user_ctxt > dd->cfgctxts) ? 0 :
- (dd->cfgctxts - dd->first_user_ctxt));
+ return sysfs_emit(buf, "%u\n",
+ (dd->first_user_ctxt > dd->cfgctxts) ?
+ 0 :
+ (dd->cfgctxts - dd->first_user_ctxt));
}
static DEVICE_ATTR_RO(nctxts);
@@ -642,21 +634,20 @@ static ssize_t nfreectxts_show(struct device *device,
struct qib_devdata *dd = dd_from_dev(dev);
/* Return the number of free user ports (contexts) available. */
- return scnprintf(buf, PAGE_SIZE, "%u\n", dd->freectxts);
+ return sysfs_emit(buf, "%u\n", dd->freectxts);
}
static DEVICE_ATTR_RO(nfreectxts);
-static ssize_t serial_show(struct device *device,
- struct device_attribute *attr, char *buf)
+static ssize_t serial_show(struct device *device, struct device_attribute *attr,
+ char *buf)
{
struct qib_ibdev *dev =
rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev);
struct qib_devdata *dd = dd_from_dev(dev);
+ const u8 *end = memchr(dd->serial, 0, ARRAY_SIZE(dd->serial));
+ int size = end ? end - dd->serial : ARRAY_SIZE(dd->serial);
- buf[sizeof(dd->serial)] = '\0';
- memcpy(buf, dd->serial, sizeof(dd->serial));
- strcat(buf, "\n");
- return strlen(buf);
+ return sysfs_emit(buf, ".%*s\n", size, dd->serial);
}
static DEVICE_ATTR_RO(serial);
@@ -689,27 +680,26 @@ static ssize_t tempsense_show(struct device *device,
struct qib_ibdev *dev =
rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev);
struct qib_devdata *dd = dd_from_dev(dev);
- int ret;
- int idx;
+ int i;
u8 regvals[8];
- ret = -ENXIO;
- for (idx = 0; idx < 8; ++idx) {
- if (idx == 6)
+ for (i = 0; i < 8; i++) {
+ int ret;
+
+ if (i == 6)
continue;
- ret = dd->f_tempsense_rd(dd, idx);
+ ret = dd->f_tempsense_rd(dd, i);
if (ret < 0)
- break;
- regvals[idx] = ret;
+ return ret; /* return error on bad read */
+ regvals[i] = ret;
}
- if (idx == 8)
- ret = scnprintf(buf, PAGE_SIZE, "%d %d %02X %02X %d %d\n",
- *(signed char *)(regvals),
- *(signed char *)(regvals + 1),
- regvals[2], regvals[3],
- *(signed char *)(regvals + 5),
- *(signed char *)(regvals + 7));
- return ret;
+ return sysfs_emit(buf, "%d %d %02X %02X %d %d\n",
+ (signed char)regvals[0],
+ (signed char)regvals[1],
+ regvals[2],
+ regvals[3],
+ (signed char)regvals[5],
+ (signed char)regvals[7]);
}
static DEVICE_ATTR_RO(tempsense);
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_main.c b/drivers/infiniband/hw/usnic/usnic_ib_main.c
index aa2e65fc5cd6..1b63a491fa72 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_main.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_main.c
@@ -398,25 +398,6 @@ static void *usnic_ib_device_add(struct pci_dev *dev)
us_ibdev->ib_dev.num_comp_vectors = USNIC_IB_NUM_COMP_VECTORS;
us_ibdev->ib_dev.dev.parent = &dev->dev;
- us_ibdev->ib_dev.uverbs_cmd_mask =
- (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_REG_MR) |
- (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
- (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) |
- (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) |
- (1ull << IB_USER_VERBS_CMD_OPEN_QP);
-
ib_set_device_ops(&us_ibdev->ib_dev, &usnic_dev_ops);
rdma_set_device_sysfs_group(&us_ibdev->ib_dev, &usnic_attr_group);
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_sysfs.c b/drivers/infiniband/hw/usnic/usnic_ib_sysfs.c
index c85d48ae7442..e59615a4c9d9 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_sysfs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_sysfs.c
@@ -57,7 +57,7 @@ static ssize_t board_id_show(struct device *device,
subsystem_device_id = us_ibdev->pdev->subsystem_device;
mutex_unlock(&us_ibdev->usdev_lock);
- return scnprintf(buf, PAGE_SIZE, "%hu\n", subsystem_device_id);
+ return sysfs_emit(buf, "%u\n", subsystem_device_id);
}
static DEVICE_ATTR_RO(board_id);
@@ -69,19 +69,13 @@ config_show(struct device *device, struct device_attribute *attr, char *buf)
{
struct usnic_ib_dev *us_ibdev =
rdma_device_to_drv_device(device, struct usnic_ib_dev, ib_dev);
- char *ptr;
- unsigned left;
- unsigned n;
enum usnic_vnic_res_type res_type;
-
- /* Buffer space limit is 1 page */
- ptr = buf;
- left = PAGE_SIZE;
+ int len;
mutex_lock(&us_ibdev->usdev_lock);
if (kref_read(&us_ibdev->vf_cnt) > 0) {
char *busname;
-
+ char *sep = "";
/*
* bus name seems to come with annoying prefix.
* Remove it if it is predictable
@@ -90,39 +84,35 @@ config_show(struct device *device, struct device_attribute *attr, char *buf)
if (strncmp(busname, "PCI Bus ", 8) == 0)
busname += 8;
- n = scnprintf(ptr, left,
- "%s: %s:%d.%d, %s, %pM, %u VFs\n Per VF:",
- dev_name(&us_ibdev->ib_dev.dev),
- busname,
- PCI_SLOT(us_ibdev->pdev->devfn),
- PCI_FUNC(us_ibdev->pdev->devfn),
- netdev_name(us_ibdev->netdev),
- us_ibdev->ufdev->mac,
- kref_read(&us_ibdev->vf_cnt));
- UPDATE_PTR_LEFT(n, ptr, left);
+ len = sysfs_emit(buf, "%s: %s:%d.%d, %s, %pM, %u VFs\n",
+ dev_name(&us_ibdev->ib_dev.dev),
+ busname,
+ PCI_SLOT(us_ibdev->pdev->devfn),
+ PCI_FUNC(us_ibdev->pdev->devfn),
+ netdev_name(us_ibdev->netdev),
+ us_ibdev->ufdev->mac,
+ kref_read(&us_ibdev->vf_cnt));
+ len += sysfs_emit_at(buf, len, " Per VF:");
for (res_type = USNIC_VNIC_RES_TYPE_EOL;
- res_type < USNIC_VNIC_RES_TYPE_MAX;
- res_type++) {
+ res_type < USNIC_VNIC_RES_TYPE_MAX; res_type++) {
if (us_ibdev->vf_res_cnt[res_type] == 0)
continue;
- n = scnprintf(ptr, left, " %d %s%s",
- us_ibdev->vf_res_cnt[res_type],
- usnic_vnic_res_type_to_str(res_type),
- (res_type < (USNIC_VNIC_RES_TYPE_MAX - 1)) ?
- "," : "");
- UPDATE_PTR_LEFT(n, ptr, left);
+ len += sysfs_emit_at(buf, len, "%s %d %s",
+ sep,
+ us_ibdev->vf_res_cnt[res_type],
+ usnic_vnic_res_type_to_str(res_type));
+ sep = ",";
}
- n = scnprintf(ptr, left, "\n");
- UPDATE_PTR_LEFT(n, ptr, left);
+ len += sysfs_emit_at(buf, len, "\n");
} else {
- n = scnprintf(ptr, left, "%s: no VFs\n",
- dev_name(&us_ibdev->ib_dev.dev));
- UPDATE_PTR_LEFT(n, ptr, left);
+ len = sysfs_emit(buf, "%s: no VFs\n",
+ dev_name(&us_ibdev->ib_dev.dev));
}
+
mutex_unlock(&us_ibdev->usdev_lock);
- return ptr - buf;
+ return len;
}
static DEVICE_ATTR_RO(config);
@@ -132,8 +122,7 @@ iface_show(struct device *device, struct device_attribute *attr, char *buf)
struct usnic_ib_dev *us_ibdev =
rdma_device_to_drv_device(device, struct usnic_ib_dev, ib_dev);
- return scnprintf(buf, PAGE_SIZE, "%s\n",
- netdev_name(us_ibdev->netdev));
+ return sysfs_emit(buf, "%s\n", netdev_name(us_ibdev->netdev));
}
static DEVICE_ATTR_RO(iface);
@@ -143,8 +132,7 @@ max_vf_show(struct device *device, struct device_attribute *attr, char *buf)
struct usnic_ib_dev *us_ibdev =
rdma_device_to_drv_device(device, struct usnic_ib_dev, ib_dev);
- return scnprintf(buf, PAGE_SIZE, "%u\n",
- kref_read(&us_ibdev->vf_cnt));
+ return sysfs_emit(buf, "%u\n", kref_read(&us_ibdev->vf_cnt));
}
static DEVICE_ATTR_RO(max_vf);
@@ -158,8 +146,7 @@ qp_per_vf_show(struct device *device, struct device_attribute *attr, char *buf)
qp_per_vf = max(us_ibdev->vf_res_cnt[USNIC_VNIC_RES_TYPE_WQ],
us_ibdev->vf_res_cnt[USNIC_VNIC_RES_TYPE_RQ]);
- return scnprintf(buf, PAGE_SIZE,
- "%d\n", qp_per_vf);
+ return sysfs_emit(buf, "%d\n", qp_per_vf);
}
static DEVICE_ATTR_RO(qp_per_vf);
@@ -169,8 +156,8 @@ cq_per_vf_show(struct device *device, struct device_attribute *attr, char *buf)
struct usnic_ib_dev *us_ibdev =
rdma_device_to_drv_device(device, struct usnic_ib_dev, ib_dev);
- return scnprintf(buf, PAGE_SIZE, "%d\n",
- us_ibdev->vf_res_cnt[USNIC_VNIC_RES_TYPE_CQ]);
+ return sysfs_emit(buf, "%d\n",
+ us_ibdev->vf_res_cnt[USNIC_VNIC_RES_TYPE_CQ]);
}
static DEVICE_ATTR_RO(cq_per_vf);
@@ -217,43 +204,36 @@ struct qpn_attribute qpn_attr_##NAME = __ATTR_RO(NAME)
static ssize_t context_show(struct usnic_ib_qp_grp *qp_grp, char *buf)
{
- return scnprintf(buf, PAGE_SIZE, "0x%p\n", qp_grp->ctx);
+ return sysfs_emit(buf, "0x%p\n", qp_grp->ctx);
}
static ssize_t summary_show(struct usnic_ib_qp_grp *qp_grp, char *buf)
{
- int i, j, n;
- int left;
- char *ptr;
+ int i, j;
struct usnic_vnic_res_chunk *res_chunk;
struct usnic_vnic_res *vnic_res;
+ int len;
- left = PAGE_SIZE;
- ptr = buf;
-
- n = scnprintf(ptr, left,
- "QPN: %d State: (%s) PID: %u VF Idx: %hu ",
- qp_grp->ibqp.qp_num,
- usnic_ib_qp_grp_state_to_string(qp_grp->state),
- qp_grp->owner_pid,
- usnic_vnic_get_index(qp_grp->vf->vnic));
- UPDATE_PTR_LEFT(n, ptr, left);
+ len = sysfs_emit(buf, "QPN: %d State: (%s) PID: %u VF Idx: %hu ",
+ qp_grp->ibqp.qp_num,
+ usnic_ib_qp_grp_state_to_string(qp_grp->state),
+ qp_grp->owner_pid,
+ usnic_vnic_get_index(qp_grp->vf->vnic));
for (i = 0; qp_grp->res_chunk_list[i]; i++) {
res_chunk = qp_grp->res_chunk_list[i];
for (j = 0; j < res_chunk->cnt; j++) {
vnic_res = res_chunk->res[j];
- n = scnprintf(ptr, left, "%s[%d] ",
+ len += sysfs_emit_at(
+ buf, len, "%s[%d] ",
usnic_vnic_res_type_to_str(vnic_res->type),
vnic_res->vnic_idx);
- UPDATE_PTR_LEFT(n, ptr, left);
}
}
- n = scnprintf(ptr, left, "\n");
- UPDATE_PTR_LEFT(n, ptr, left);
+ len = sysfs_emit_at(buf, len, "\n");
- return ptr - buf;
+ return len;
}
static QPN_ATTR_RO(context);
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
index 9e961f8ffa10..38a37770c016 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
@@ -474,7 +474,7 @@ struct ib_qp *usnic_ib_create_qp(struct ib_pd *pd,
us_ibdev = to_usdev(pd->device);
if (init_attr->create_flags)
- return ERR_PTR(-EINVAL);
+ return ERR_PTR(-EOPNOTSUPP);
err = ib_copy_from_udata(&cmd, udata, sizeof(cmd));
if (err) {
@@ -557,6 +557,9 @@ int usnic_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int status;
usnic_dbg("\n");
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
qp_grp = to_uqp_grp(ibqp);
mutex_lock(&qp_grp->vf->pf->usdev_lock);
@@ -581,7 +584,7 @@ int usnic_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
struct ib_udata *udata)
{
if (attr->flags)
- return -EINVAL;
+ return -EOPNOTSUPP;
return 0;
}
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c
index 319546a39a0d..a119ac3e103c 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c
@@ -119,6 +119,9 @@ int pvrdma_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
BUILD_BUG_ON(sizeof(struct pvrdma_cqe) != 64);
+ if (attr->flags)
+ return -EOPNOTSUPP;
+
entries = roundup_pow_of_two(entries);
if (entries < 1 || entries > dev->dsr->caps.max_cqe)
return -EINVAL;
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
index 6895bac53990..00a330909bb3 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
@@ -68,21 +68,21 @@ static int pvrdma_del_gid(const struct ib_gid_attr *attr, void **context);
static ssize_t hca_type_show(struct device *device,
struct device_attribute *attr, char *buf)
{
- return sprintf(buf, "VMW_PVRDMA-%s\n", DRV_VERSION);
+ return sysfs_emit(buf, "VMW_PVRDMA-%s\n", DRV_VERSION);
}
static DEVICE_ATTR_RO(hca_type);
static ssize_t hw_rev_show(struct device *device,
struct device_attribute *attr, char *buf)
{
- return sprintf(buf, "%d\n", PVRDMA_REV_ID);
+ return sysfs_emit(buf, "%d\n", PVRDMA_REV_ID);
}
static DEVICE_ATTR_RO(hw_rev);
static ssize_t board_id_show(struct device *device,
struct device_attribute *attr, char *buf)
{
- return sprintf(buf, "%d\n", PVRDMA_BOARD_ID);
+ return sysfs_emit(buf, "%d\n", PVRDMA_BOARD_ID);
}
static DEVICE_ATTR_RO(board_id);
@@ -205,27 +205,6 @@ static int pvrdma_register_device(struct pvrdma_dev *dev)
dev->flags = 0;
dev->ib_dev.num_comp_vectors = 1;
dev->ib_dev.dev.parent = &dev->pdev->dev;
- dev->ib_dev.uverbs_cmd_mask =
- (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_REG_MR) |
- (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_CMD_POLL_CQ) |
- (1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
- (1ull << IB_USER_VERBS_CMD_POST_SEND) |
- (1ull << IB_USER_VERBS_CMD_POST_RECV) |
- (1ull << IB_USER_VERBS_CMD_CREATE_AH) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_AH);
dev->ib_dev.node_type = RDMA_NODE_IB_CA;
dev->ib_dev.phys_port_cnt = dev->dsr->caps.phys_port_cnt;
@@ -249,13 +228,6 @@ static int pvrdma_register_device(struct pvrdma_dev *dev)
/* Check if SRQ is supported by backend */
if (dev->dsr->caps.max_srq) {
- dev->ib_dev.uverbs_cmd_mask |=
- (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_POST_SRQ_RECV);
-
ib_set_device_ops(&dev->ib_dev, &pvrdma_dev_srq_ops);
dev->srq_tbl = kcalloc(dev->dsr->caps.max_srq,
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c
index 428256c55065..1d3bdd7bb51d 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c
@@ -209,7 +209,7 @@ struct ib_qp *pvrdma_create_qp(struct ib_pd *pd,
dev_warn(&dev->pdev->dev,
"invalid create queuepair flags %#x\n",
init_attr->create_flags);
- return ERR_PTR(-EINVAL);
+ return ERR_PTR(-EOPNOTSUPP);
}
if (init_attr->qp_type != IB_QPT_RC &&
@@ -544,6 +544,9 @@ int pvrdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
enum ib_qp_state cur_state, next_state;
int ret;
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
/* Sanity checking. Should need lock here */
mutex_lock(&qp->mutex);
cur_state = (attr_mask & IB_QP_CUR_STATE) ? attr->cur_qp_state :
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c
index 082208f9aa90..bdc2703532c6 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c
@@ -121,7 +121,7 @@ int pvrdma_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr,
dev_warn(&dev->pdev->dev,
"shared receive queue type %d not supported\n",
init_attr->srq_type);
- return -EINVAL;
+ return -EOPNOTSUPP;
}
if (init_attr->attr.max_wr > dev->dsr->caps.max_srq_wr ||
diff --git a/drivers/infiniband/sw/rdmavt/Kconfig b/drivers/infiniband/sw/rdmavt/Kconfig
index c8e268082952..0df48b3a6b56 100644
--- a/drivers/infiniband/sw/rdmavt/Kconfig
+++ b/drivers/infiniband/sw/rdmavt/Kconfig
@@ -4,6 +4,5 @@ config INFINIBAND_RDMAVT
depends on INFINIBAND_VIRT_DMA
depends on X86_64
depends on PCI
- select DMA_VIRT_OPS
help
This is a common software verbs provider for RDMA networks.
diff --git a/drivers/infiniband/sw/rdmavt/ah.c b/drivers/infiniband/sw/rdmavt/ah.c
index b938c4ffa99a..f9754dcd250b 100644
--- a/drivers/infiniband/sw/rdmavt/ah.c
+++ b/drivers/infiniband/sw/rdmavt/ah.c
@@ -129,7 +129,6 @@ int rvt_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
* rvt_destory_ah - Destory an address handle
* @ibah: address handle
* @destroy_flags: destroy address handle flags (see enum rdma_destroy_ah_flags)
- *
* Return: 0 on success
*/
int rvt_destroy_ah(struct ib_ah *ibah, u32 destroy_flags)
diff --git a/drivers/infiniband/sw/rdmavt/cq.c b/drivers/infiniband/sw/rdmavt/cq.c
index 19248be14093..20cc0799ac4b 100644
--- a/drivers/infiniband/sw/rdmavt/cq.c
+++ b/drivers/infiniband/sw/rdmavt/cq.c
@@ -211,7 +211,7 @@ int rvt_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
int err;
if (attr->flags)
- return -EINVAL;
+ return -EOPNOTSUPP;
if (entries < 1 || entries > rdi->dparms.props.max_cqe)
return -EINVAL;
diff --git a/drivers/infiniband/sw/rdmavt/mr.c b/drivers/infiniband/sw/rdmavt/mr.c
index 8490fdb9c91e..90fc234f489a 100644
--- a/drivers/infiniband/sw/rdmavt/mr.c
+++ b/drivers/infiniband/sw/rdmavt/mr.c
@@ -324,8 +324,6 @@ static void __rvt_free_mr(struct rvt_mr *mr)
* @acc: access flags
*
* Return: the memory region on success, otherwise returns an errno.
- * Note that all DMA addresses should be created via the functions in
- * struct dma_virt_ops.
*/
struct ib_mr *rvt_get_dma_mr(struct ib_pd *pd, int acc)
{
@@ -766,7 +764,7 @@ int rvt_lkey_ok(struct rvt_lkey_table *rkt, struct rvt_pd *pd,
/*
* We use LKEY == zero for kernel virtual addresses
- * (see rvt_get_dma_mr() and dma_virt_ops).
+ * (see rvt_get_dma_mr()).
*/
if (sge->lkey == 0) {
struct rvt_dev_info *dev = ib_to_rvt(pd->ibpd.device);
@@ -877,7 +875,7 @@ int rvt_rkey_ok(struct rvt_qp *qp, struct rvt_sge *sge,
/*
* We use RKEY == zero for kernel virtual addresses
- * (see rvt_get_dma_mr() and dma_virt_ops).
+ * (see rvt_get_dma_mr()).
*/
rcu_read_lock();
if (rkey == 0) {
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index ee48befc8978..e9db6bf10618 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -1083,10 +1083,11 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd,
if (!rdi)
return ERR_PTR(-EINVAL);
+ if (init_attr->create_flags & ~IB_QP_CREATE_NETDEV_USE)
+ return ERR_PTR(-EOPNOTSUPP);
+
if (init_attr->cap.max_send_sge > rdi->dparms.props.max_send_sge ||
- init_attr->cap.max_send_wr > rdi->dparms.props.max_qp_wr ||
- (init_attr->create_flags &&
- init_attr->create_flags != IB_QP_CREATE_NETDEV_USE))
+ init_attr->cap.max_send_wr > rdi->dparms.props.max_qp_wr)
return ERR_PTR(-EINVAL);
/* Check receive queue parameters if no SRQ is specified. */
@@ -1469,6 +1470,9 @@ int rvt_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int pmtu = 0; /* for gcc warning only */
int opa_ah;
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
spin_lock_irq(&qp->r_lock);
spin_lock(&qp->s_hlock);
spin_lock(&qp->s_lock);
diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c
index 670a9623b46e..49cec85a372a 100644
--- a/drivers/infiniband/sw/rdmavt/vt.c
+++ b/drivers/infiniband/sw/rdmavt/vt.c
@@ -384,6 +384,7 @@ static const struct ib_device_ops rvt_dev_ops = {
.create_cq = rvt_create_cq,
.create_qp = rvt_create_qp,
.create_srq = rvt_create_srq,
+ .create_user_ah = rvt_create_ah,
.dealloc_pd = rvt_dealloc_pd,
.dealloc_ucontext = rvt_dealloc_ucontext,
.dereg_mr = rvt_dereg_mr,
@@ -524,7 +525,6 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb)
int rvt_register_device(struct rvt_dev_info *rdi)
{
int ret = 0, i;
- u64 dma_mask;
if (!rdi)
return -EINVAL;
@@ -579,13 +579,6 @@ int rvt_register_device(struct rvt_dev_info *rdi)
/* Completion queues */
spin_lock_init(&rdi->n_cqs_lock);
- /* DMA Operations */
- rdi->ibdev.dev.dma_parms = rdi->ibdev.dev.parent->dma_parms;
- dma_mask = IS_ENABLED(CONFIG_64BIT) ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32);
- ret = dma_coerce_mask_and_coherent(&rdi->ibdev.dev, dma_mask);
- if (ret)
- goto bail_wss;
-
/* Protection Domain */
spin_lock_init(&rdi->n_pds_lock);
rdi->n_pds_allocated = 0;
@@ -596,36 +589,11 @@ int rvt_register_device(struct rvt_dev_info *rdi)
* exactly which functions rdmavt supports, nor do they know the ABI
* version, so we do all of this sort of stuff here.
*/
- rdi->ibdev.uverbs_cmd_mask =
- (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_CREATE_AH) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_AH) |
- (1ull << IB_USER_VERBS_CMD_QUERY_AH) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_AH) |
- (1ull << IB_USER_VERBS_CMD_REG_MR) |
- (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
+ rdi->ibdev.uverbs_cmd_mask |=
(1ull << IB_USER_VERBS_CMD_POLL_CQ) |
(1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
(1ull << IB_USER_VERBS_CMD_POST_SEND) |
(1ull << IB_USER_VERBS_CMD_POST_RECV) |
- (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) |
- (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) |
- (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) |
(1ull << IB_USER_VERBS_CMD_POST_SRQ_RECV);
rdi->ibdev.node_type = RDMA_NODE_IB_CA;
if (!rdi->ibdev.num_comp_vectors)
diff --git a/drivers/infiniband/sw/rxe/Kconfig b/drivers/infiniband/sw/rxe/Kconfig
index 8810bfa68049..452149066792 100644
--- a/drivers/infiniband/sw/rxe/Kconfig
+++ b/drivers/infiniband/sw/rxe/Kconfig
@@ -5,7 +5,6 @@ config RDMA_RXE
depends on INFINIBAND_VIRT_DMA
select NET_UDP_TUNNEL
select CRYPTO_CRC32
- select DMA_VIRT_OPS
help
This driver implements the InfiniBand RDMA transport over
the Linux network stack. It enables a system with a
diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c
index d2ce852447c1..6e8c41567ba0 100644
--- a/drivers/infiniband/sw/rxe/rxe_mr.c
+++ b/drivers/infiniband/sw/rxe/rxe_mr.c
@@ -31,7 +31,6 @@ int mem_check_range(struct rxe_mem *mem, u64 iova, size_t length)
return 0;
case RXE_MEM_TYPE_MR:
- case RXE_MEM_TYPE_FMR:
if (iova < mem->iova ||
length > mem->length ||
iova > mem->iova + mem->length - length)
diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index 34bef7d8e6b4..c4b06ced30a7 100644
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -8,7 +8,6 @@
#include <linux/if_arp.h>
#include <linux/netdevice.h>
#include <linux/if.h>
-#include <linux/if_vlan.h>
#include <net/udp_tunnel.h>
#include <net/sch_generic.h>
#include <linux/netfilter.h>
@@ -20,18 +19,6 @@
static struct rxe_recv_sockets recv_sockets;
-struct device *rxe_dma_device(struct rxe_dev *rxe)
-{
- struct net_device *ndev;
-
- ndev = rxe->ndev;
-
- if (is_vlan_dev(ndev))
- ndev = vlan_dev_real_dev(ndev);
-
- return ndev->dev.parent;
-}
-
int rxe_mcast_add(struct rxe_dev *rxe, union ib_gid *mgid)
{
int err;
@@ -166,14 +153,9 @@ static int rxe_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
{
struct udphdr *udph;
struct net_device *ndev = skb->dev;
- struct net_device *rdev = ndev;
struct rxe_dev *rxe = rxe_get_dev_from_net(ndev);
struct rxe_pkt_info *pkt = SKB_TO_PKT(skb);
- if (!rxe && is_vlan_dev(rdev)) {
- rdev = vlan_dev_real_dev(ndev);
- rxe = rxe_get_dev_from_net(rdev);
- }
if (!rxe)
goto drop;
diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index af3923bf0a36..d4917646641a 100644
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -634,7 +634,8 @@ next_wqe:
}
if (unlikely(qp_type(qp) == IB_QPT_RC &&
- qp->req.psn > (qp->comp.psn + RXE_MAX_UNACKED_PSNS))) {
+ psn_compare(qp->req.psn, (qp->comp.psn +
+ RXE_MAX_UNACKED_PSNS)) > 0)) {
qp->req.wait_psn = 1;
goto exit;
}
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index c7e3b6a4af38..5a098083a9d2 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -872,11 +872,6 @@ static enum resp_states do_complete(struct rxe_qp *qp,
else
wc->network_hdr_type = RDMA_NETWORK_IPV6;
- if (is_vlan_dev(skb->dev)) {
- wc->wc_flags |= IB_WC_WITH_VLAN;
- wc->vlan_id = vlan_dev_vlan_id(skb->dev);
- }
-
if (pkt->mask & RXE_IMMDT_MASK) {
wc->wc_flags |= IB_WC_WITH_IMM;
wc->ex.imm_data = immdt_imm(pkt);
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index f9c832e82552..2fbea2b2d72a 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -265,6 +265,9 @@ static int rxe_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init,
struct rxe_srq *srq = to_rsrq(ibsrq);
struct rxe_create_srq_resp __user *uresp = NULL;
+ if (init->srq_type != IB_SRQT_BASIC)
+ return -EOPNOTSUPP;
+
if (udata) {
if (udata->outlen < sizeof(*uresp))
return -EINVAL;
@@ -392,6 +395,9 @@ static struct ib_qp *rxe_create_qp(struct ib_pd *ibpd,
uresp = udata->outbuf;
}
+ if (init->create_flags)
+ return ERR_PTR(-EOPNOTSUPP);
+
err = rxe_qp_chk_init(rxe, init);
if (err)
goto err1;
@@ -433,6 +439,9 @@ static int rxe_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
struct rxe_dev *rxe = to_rdev(ibqp->device);
struct rxe_qp *qp = to_rqp(ibqp);
+ if (mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
err = rxe_qp_chk_attr(rxe, qp, attr, mask);
if (err)
goto err1;
@@ -765,7 +774,7 @@ static int rxe_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
}
if (attr->flags)
- return -EINVAL;
+ return -EOPNOTSUPP;
err = rxe_cq_chk_attr(rxe, NULL, attr->cqe, attr->comp_vector);
if (err)
@@ -1033,7 +1042,7 @@ static ssize_t parent_show(struct device *device,
struct rxe_dev *rxe =
rdma_device_to_drv_device(device, struct rxe_dev, ib_dev);
- return scnprintf(buf, PAGE_SIZE, "%s\n", rxe_parent_name(rxe, 1));
+ return sysfs_emit(buf, "%s\n", rxe_parent_name(rxe, 1));
}
static DEVICE_ATTR_RO(parent);
@@ -1070,6 +1079,7 @@ static const struct ib_device_ops rxe_dev_ops = {
.create_cq = rxe_create_cq,
.create_qp = rxe_create_qp,
.create_srq = rxe_create_srq,
+ .create_user_ah = rxe_create_ah,
.dealloc_driver = rxe_dealloc,
.dealloc_pd = rxe_dealloc_pd,
.dealloc_ucontext = rxe_dealloc_ucontext,
@@ -1118,56 +1128,18 @@ int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name)
int err;
struct ib_device *dev = &rxe->ib_dev;
struct crypto_shash *tfm;
- u64 dma_mask;
strlcpy(dev->node_desc, "rxe", sizeof(dev->node_desc));
dev->node_type = RDMA_NODE_IB_CA;
dev->phys_port_cnt = 1;
dev->num_comp_vectors = num_possible_cpus();
- dev->dev.parent = rxe_dma_device(rxe);
dev->local_dma_lkey = 0;
addrconf_addr_eui48((unsigned char *)&dev->node_guid,
rxe->ndev->dev_addr);
- dev->dev.dma_parms = &rxe->dma_parms;
- dma_set_max_seg_size(&dev->dev, UINT_MAX);
- dma_mask = IS_ENABLED(CONFIG_64BIT) ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32);
- err = dma_coerce_mask_and_coherent(&dev->dev, dma_mask);
- if (err)
- return err;
- dev->uverbs_cmd_mask = BIT_ULL(IB_USER_VERBS_CMD_GET_CONTEXT)
- | BIT_ULL(IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL)
- | BIT_ULL(IB_USER_VERBS_CMD_QUERY_DEVICE)
- | BIT_ULL(IB_USER_VERBS_CMD_QUERY_PORT)
- | BIT_ULL(IB_USER_VERBS_CMD_ALLOC_PD)
- | BIT_ULL(IB_USER_VERBS_CMD_DEALLOC_PD)
- | BIT_ULL(IB_USER_VERBS_CMD_CREATE_SRQ)
- | BIT_ULL(IB_USER_VERBS_CMD_MODIFY_SRQ)
- | BIT_ULL(IB_USER_VERBS_CMD_QUERY_SRQ)
- | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_SRQ)
- | BIT_ULL(IB_USER_VERBS_CMD_POST_SRQ_RECV)
- | BIT_ULL(IB_USER_VERBS_CMD_CREATE_QP)
- | BIT_ULL(IB_USER_VERBS_CMD_MODIFY_QP)
- | BIT_ULL(IB_USER_VERBS_CMD_QUERY_QP)
- | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_QP)
- | BIT_ULL(IB_USER_VERBS_CMD_POST_SEND)
- | BIT_ULL(IB_USER_VERBS_CMD_POST_RECV)
- | BIT_ULL(IB_USER_VERBS_CMD_CREATE_CQ)
- | BIT_ULL(IB_USER_VERBS_CMD_RESIZE_CQ)
- | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_CQ)
- | BIT_ULL(IB_USER_VERBS_CMD_POLL_CQ)
- | BIT_ULL(IB_USER_VERBS_CMD_PEEK_CQ)
- | BIT_ULL(IB_USER_VERBS_CMD_REQ_NOTIFY_CQ)
- | BIT_ULL(IB_USER_VERBS_CMD_REG_MR)
- | BIT_ULL(IB_USER_VERBS_CMD_DEREG_MR)
- | BIT_ULL(IB_USER_VERBS_CMD_CREATE_AH)
- | BIT_ULL(IB_USER_VERBS_CMD_MODIFY_AH)
- | BIT_ULL(IB_USER_VERBS_CMD_QUERY_AH)
- | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_AH)
- | BIT_ULL(IB_USER_VERBS_CMD_ATTACH_MCAST)
- | BIT_ULL(IB_USER_VERBS_CMD_DETACH_MCAST)
- ;
+ dev->uverbs_cmd_mask |= BIT_ULL(IB_USER_VERBS_CMD_POST_SEND) |
+ BIT_ULL(IB_USER_VERBS_CMD_REQ_NOTIFY_CQ);
ib_set_device_ops(dev, &rxe_dev_ops);
err = ib_device_set_netdev(&rxe->ib_dev, rxe->ndev, 1);
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h
index 3414b341b709..79e0a5a878da 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.h
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.h
@@ -273,7 +273,6 @@ enum rxe_mem_type {
RXE_MEM_TYPE_NONE,
RXE_MEM_TYPE_DMA,
RXE_MEM_TYPE_MR,
- RXE_MEM_TYPE_FMR,
RXE_MEM_TYPE_MW,
};
@@ -352,7 +351,6 @@ struct rxe_port {
struct rxe_dev {
struct ib_device ib_dev;
struct ib_device_attr attr;
- struct device_dma_parameters dma_parms;
int max_ucontext;
int max_inline_data;
struct mutex usdev_lock;
diff --git a/drivers/infiniband/sw/siw/Kconfig b/drivers/infiniband/sw/siw/Kconfig
index 3450ba5081df..1b5105cbabae 100644
--- a/drivers/infiniband/sw/siw/Kconfig
+++ b/drivers/infiniband/sw/siw/Kconfig
@@ -2,7 +2,6 @@ config RDMA_SIW
tristate "Software RDMA over TCP/IP (iWARP) driver"
depends on INET && INFINIBAND && LIBCRC32C
depends on INFINIBAND_VIRT_DMA
- select DMA_VIRT_OPS
help
This driver implements the iWARP RDMA transport over
the Linux TCP/IP network stack. It enables a system with a
diff --git a/drivers/infiniband/sw/siw/siw.h b/drivers/infiniband/sw/siw/siw.h
index e9753831ac3f..adda78996219 100644
--- a/drivers/infiniband/sw/siw/siw.h
+++ b/drivers/infiniband/sw/siw/siw.h
@@ -69,7 +69,6 @@ struct siw_pd {
struct siw_device {
struct ib_device base_dev;
- struct device_dma_parameters dma_parms;
struct net_device *netdev;
struct siw_dev_cap attrs;
diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c
index 66764f7ef072..1f9e15b71504 100644
--- a/drivers/infiniband/sw/siw/siw_cm.c
+++ b/drivers/infiniband/sw/siw/siw_cm.c
@@ -1047,7 +1047,7 @@ static void siw_cm_work_handler(struct work_struct *w)
cep->state);
}
}
- if (rv && rv != EAGAIN)
+ if (rv && rv != -EAGAIN)
release_cep = 1;
break;
diff --git a/drivers/infiniband/sw/siw/siw_main.c b/drivers/infiniband/sw/siw/siw_main.c
index 181e06c1c43d..ee95cf29179d 100644
--- a/drivers/infiniband/sw/siw/siw_main.c
+++ b/drivers/infiniband/sw/siw/siw_main.c
@@ -305,25 +305,8 @@ static struct siw_device *siw_device_create(struct net_device *netdev)
{
struct siw_device *sdev = NULL;
struct ib_device *base_dev;
- struct device *parent = netdev->dev.parent;
- u64 dma_mask;
int rv;
- if (!parent) {
- /*
- * The loopback device has no parent device,
- * so it appears as a top-level device. To support
- * loopback device connectivity, take this device
- * as the parent device. Skip all other devices
- * w/o parent device.
- */
- if (netdev->type != ARPHRD_LOOPBACK) {
- pr_warn("siw: device %s error: no parent device\n",
- netdev->name);
- return NULL;
- }
- parent = &netdev->dev;
- }
sdev = ib_alloc_device(siw_device, base_dev);
if (!sdev)
return NULL;
@@ -347,30 +330,8 @@ static struct siw_device *siw_device_create(struct net_device *netdev)
addrconf_addr_eui48((unsigned char *)&base_dev->node_guid,
addr);
}
- base_dev->uverbs_cmd_mask =
- (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_REG_MR) |
- (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_CMD_POLL_CQ) |
- (1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
- (1ull << IB_USER_VERBS_CMD_POST_SEND) |
- (1ull << IB_USER_VERBS_CMD_POST_RECV) |
- (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
- (1ull << IB_USER_VERBS_CMD_POST_SRQ_RECV) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ);
+
+ base_dev->uverbs_cmd_mask |= BIT_ULL(IB_USER_VERBS_CMD_POST_SEND);
base_dev->node_type = RDMA_NODE_RNIC;
memcpy(base_dev->node_desc, SIW_NODE_DESC_COMMON,
@@ -382,13 +343,6 @@ static struct siw_device *siw_device_create(struct net_device *netdev)
* per physical port.
*/
base_dev->phys_port_cnt = 1;
- base_dev->dev.parent = parent;
- base_dev->dev.dma_parms = &sdev->dma_parms;
- dma_set_max_seg_size(&base_dev->dev, UINT_MAX);
- dma_mask = IS_ENABLED(CONFIG_64BIT) ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32);
- if (dma_coerce_mask_and_coherent(&base_dev->dev, dma_mask))
- goto error;
-
base_dev->num_comp_vectors = num_possible_cpus();
xa_init_flags(&sdev->qp_xa, XA_FLAGS_ALLOC1);
@@ -430,7 +384,7 @@ static struct siw_device *siw_device_create(struct net_device *netdev)
atomic_set(&sdev->num_mr, 0);
atomic_set(&sdev->num_pd, 0);
- sdev->numa_node = dev_to_node(parent);
+ sdev->numa_node = dev_to_node(&netdev->dev);
spin_lock_init(&sdev->lock);
return sdev;
diff --git a/drivers/infiniband/sw/siw/siw_verbs.c b/drivers/infiniband/sw/siw/siw_verbs.c
index 7cf3242ffb41..68fd053fc774 100644
--- a/drivers/infiniband/sw/siw/siw_verbs.c
+++ b/drivers/infiniband/sw/siw/siw_verbs.c
@@ -307,6 +307,9 @@ struct ib_qp *siw_create_qp(struct ib_pd *pd,
siw_dbg(base_dev, "create new QP\n");
+ if (attrs->create_flags)
+ return ERR_PTR(-EOPNOTSUPP);
+
if (atomic_inc_return(&sdev->num_qp) > SIW_MAX_QP) {
siw_dbg(base_dev, "too many QP's\n");
rv = -ENOMEM;
@@ -544,6 +547,9 @@ int siw_verbs_modify_qp(struct ib_qp *base_qp, struct ib_qp_attr *attr,
if (!attr_mask)
return 0;
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
memset(&new_attrs, 0, sizeof(new_attrs));
if (attr_mask & IB_QP_ACCESS_FLAGS) {
@@ -1094,6 +1100,9 @@ int siw_create_cq(struct ib_cq *base_cq, const struct ib_cq_init_attr *attr,
struct siw_cq *cq = to_siw_cq(base_cq);
int rv, size = attr->cqe;
+ if (attr->flags)
+ return -EOPNOTSUPP;
+
if (atomic_inc_return(&sdev->num_cq) > SIW_MAX_CQ) {
siw_dbg(base_cq->device, "too many CQ's\n");
rv = -ENOMEM;
@@ -1555,6 +1564,9 @@ int siw_create_srq(struct ib_srq *base_srq,
base_ucontext);
int rv;
+ if (init_attrs->srq_type != IB_SRQT_BASIC)
+ return -EOPNOTSUPP;
+
if (atomic_inc_return(&sdev->num_srq) > SIW_MAX_SRQ) {
siw_dbg_pd(base_srq->pd, "too many SRQ's\n");
rv = -ENOMEM;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 8f0b598a46ec..d5d592bdab35 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -1514,9 +1514,9 @@ static ssize_t show_mode(struct device *d, struct device_attribute *attr,
struct ipoib_dev_priv *priv = ipoib_priv(dev);
if (test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags))
- return sprintf(buf, "connected\n");
+ return sysfs_emit(buf, "connected\n");
else
- return sprintf(buf, "datagram\n");
+ return sysfs_emit(buf, "datagram\n");
}
static ssize_t set_mode(struct device *d, struct device_attribute *attr,
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
index 67a21fdf5367..823f6831e7ea 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
@@ -166,6 +166,10 @@ static inline int ib_speed_enum_to_int(int speed)
return SPEED_14000;
case IB_SPEED_EDR:
return SPEED_25000;
+ case IB_SPEED_HDR:
+ return SPEED_50000;
+ case IB_SPEED_NDR:
+ return SPEED_100000;
}
return SPEED_UNKNOWN;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index abfab89423f4..a6f413491321 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -2266,7 +2266,7 @@ static ssize_t show_pkey(struct device *dev,
struct net_device *ndev = to_net_dev(dev);
struct ipoib_dev_priv *priv = ipoib_priv(ndev);
- return sprintf(buf, "0x%04x\n", priv->pkey);
+ return sysfs_emit(buf, "0x%04x\n", priv->pkey);
}
static DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL);
@@ -2276,7 +2276,8 @@ static ssize_t show_umcast(struct device *dev,
struct net_device *ndev = to_net_dev(dev);
struct ipoib_dev_priv *priv = ipoib_priv(ndev);
- return sprintf(buf, "%d\n", test_bit(IPOIB_FLAG_UMCAST, &priv->flags));
+ return sysfs_emit(buf, "%d\n",
+ test_bit(IPOIB_FLAG_UMCAST, &priv->flags));
}
void ipoib_set_umcast(struct net_device *ndev, int umcast_val)
@@ -2446,7 +2447,7 @@ static ssize_t dev_id_show(struct device *dev,
"\"%s\" wants to know my dev_id. Should it look at dev_port instead? See Documentation/ABI/testing/sysfs-class-net for more info.\n",
current->comm);
- return sprintf(buf, "%#x\n", ndev->dev_id);
+ return sysfs_emit(buf, "%#x\n", ndev->dev_id);
}
static DEVICE_ATTR_RO(dev_id);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
index 587252fd6f57..5a150a080ac2 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
@@ -158,6 +158,7 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca)
int ret, size, req_vec;
int i;
+ static atomic_t counter;
size = ipoib_recvq_size + 1;
ret = ipoib_cm_dev_init(dev);
@@ -171,8 +172,7 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca)
if (ret != -EOPNOTSUPP)
return ret;
- req_vec = (priv->port - 1) * 2;
-
+ req_vec = atomic_inc_return(&counter) * 2;
cq_attr.cqe = size;
cq_attr.comp_vector = req_vec % priv->ca->num_comp_vectors;
priv->recv_cq = ib_create_cq(priv->ca, ipoib_ib_rx_completion, NULL,
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
index 4c50a87ed7cc..5958840dbeed 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
@@ -46,7 +46,7 @@ static ssize_t show_parent(struct device *d, struct device_attribute *attr,
struct net_device *dev = to_net_dev(d);
struct ipoib_dev_priv *priv = ipoib_priv(dev);
- return sprintf(buf, "%s\n", priv->parent->name);
+ return sysfs_emit(buf, "%s\n", priv->parent->name);
}
static DEVICE_ATTR(parent, S_IRUGO, show_parent, NULL);
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 436e17f1d0e5..e47cd0291a7e 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -28,6 +28,18 @@ static int isert_debug_level;
module_param_named(debug_level, isert_debug_level, int, 0644);
MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0 (default:0)");
+static int isert_sg_tablesize_set(const char *val,
+ const struct kernel_param *kp);
+static const struct kernel_param_ops sg_tablesize_ops = {
+ .set = isert_sg_tablesize_set,
+ .get = param_get_int,
+};
+
+static int isert_sg_tablesize = ISCSI_ISER_DEF_SG_TABLESIZE;
+module_param_cb(sg_tablesize, &sg_tablesize_ops, &isert_sg_tablesize, 0644);
+MODULE_PARM_DESC(sg_tablesize,
+ "Number of gather/scatter entries in a single scsi command, should >= 128 (default: 256, max: 4096)");
+
static DEFINE_MUTEX(device_list_mutex);
static LIST_HEAD(device_list);
static struct workqueue_struct *isert_comp_wq;
@@ -47,6 +59,19 @@ static void isert_send_done(struct ib_cq *cq, struct ib_wc *wc);
static void isert_login_recv_done(struct ib_cq *cq, struct ib_wc *wc);
static void isert_login_send_done(struct ib_cq *cq, struct ib_wc *wc);
+static int isert_sg_tablesize_set(const char *val, const struct kernel_param *kp)
+{
+ int n = 0, ret;
+
+ ret = kstrtoint(val, 10, &n);
+ if (ret != 0 || n < ISCSI_ISER_MIN_SG_TABLESIZE ||
+ n > ISCSI_ISER_MAX_SG_TABLESIZE)
+ return -EINVAL;
+
+ return param_set_int(val, kp);
+}
+
+
static inline bool
isert_prot_cmd(struct isert_conn *conn, struct se_cmd *cmd)
{
@@ -101,7 +126,7 @@ isert_create_qp(struct isert_conn *isert_conn,
attr.cap.max_send_wr = ISERT_QP_MAX_REQ_DTOS + 1;
attr.cap.max_recv_wr = ISERT_QP_MAX_RECV_DTOS + 1;
factor = rdma_rw_mr_factor(device->ib_device, cma_id->port_num,
- ISCSI_ISER_MAX_SG_TABLESIZE);
+ isert_sg_tablesize);
attr.cap.max_rdma_ctxs = ISCSI_DEF_XMIT_CMDS_MAX * factor;
attr.cap.max_send_sge = device->ib_device->attrs.max_send_sge;
attr.cap.max_recv_sge = 1;
@@ -1076,7 +1101,7 @@ isert_handle_scsi_cmd(struct isert_conn *isert_conn,
sequence_cmd:
rc = iscsit_sequence_cmd(conn, cmd, buf, hdr->cmdsn);
- if (!rc && dump_payload == false && unsol_data)
+ if (!rc && !dump_payload && unsol_data)
iscsit_set_unsolicited_dataout(cmd);
else if (dump_payload && imm_data)
target_put_sess_cmd(&cmd->se_cmd);
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index 7fee4a65e181..6c5af13db4e0 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -65,6 +65,12 @@
*/
#define ISER_RX_SIZE (ISCSI_DEF_MAX_RECV_SEG_LEN + 1024)
+/* Default I/O size is 1MB */
+#define ISCSI_ISER_DEF_SG_TABLESIZE 256
+
+/* Minimum I/O size is 512KB */
+#define ISCSI_ISER_MIN_SG_TABLESIZE 128
+
/* Maximum support is 16MB I/O size */
#define ISCSI_ISER_MAX_SG_TABLESIZE 4096
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c b/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c
index ac4c49cbf153..ba00f0de14ca 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c
@@ -52,7 +52,8 @@ static ssize_t max_reconnect_attempts_show(struct device *dev,
{
struct rtrs_clt *clt = container_of(dev, struct rtrs_clt, dev);
- return sprintf(page, "%d\n", rtrs_clt_get_max_reconnect_attempts(clt));
+ return sysfs_emit(page, "%d\n",
+ rtrs_clt_get_max_reconnect_attempts(clt));
}
static ssize_t max_reconnect_attempts_store(struct device *dev,
@@ -95,11 +96,13 @@ static ssize_t mpath_policy_show(struct device *dev,
switch (clt->mp_policy) {
case MP_POLICY_RR:
- return sprintf(page, "round-robin (RR: %d)\n", clt->mp_policy);
+ return sysfs_emit(page, "round-robin (RR: %d)\n",
+ clt->mp_policy);
case MP_POLICY_MIN_INFLIGHT:
- return sprintf(page, "min-inflight (MI: %d)\n", clt->mp_policy);
+ return sysfs_emit(page, "min-inflight (MI: %d)\n",
+ clt->mp_policy);
default:
- return sprintf(page, "Unknown (%d)\n", clt->mp_policy);
+ return sysfs_emit(page, "Unknown (%d)\n", clt->mp_policy);
}
}
@@ -138,9 +141,10 @@ static DEVICE_ATTR_RW(mpath_policy);
static ssize_t add_path_show(struct device *dev,
struct device_attribute *attr, char *page)
{
- return scnprintf(page, PAGE_SIZE,
- "Usage: echo [<source addr>@]<destination addr> > %s\n\n*addr ::= [ ip:<ipv4|ipv6> | gid:<gid> ]\n",
- attr->attr.name);
+ return sysfs_emit(
+ page,
+ "Usage: echo [<source addr>@]<destination addr> > %s\n\n*addr ::= [ ip:<ipv4|ipv6> | gid:<gid> ]\n",
+ attr->attr.name);
}
static ssize_t add_path_store(struct device *dev,
@@ -184,20 +188,18 @@ static ssize_t rtrs_clt_state_show(struct kobject *kobj,
sess = container_of(kobj, struct rtrs_clt_sess, kobj);
if (sess->state == RTRS_CLT_CONNECTED)
- return sprintf(page, "connected\n");
+ return sysfs_emit(page, "connected\n");
- return sprintf(page, "disconnected\n");
+ return sysfs_emit(page, "disconnected\n");
}
static struct kobj_attribute rtrs_clt_state_attr =
__ATTR(state, 0444, rtrs_clt_state_show, NULL);
static ssize_t rtrs_clt_reconnect_show(struct kobject *kobj,
- struct kobj_attribute *attr,
- char *page)
+ struct kobj_attribute *attr, char *buf)
{
- return scnprintf(page, PAGE_SIZE, "Usage: echo 1 > %s\n",
- attr->attr.name);
+ return sysfs_emit(buf, "Usage: echo 1 > %s\n", attr->attr.name);
}
static ssize_t rtrs_clt_reconnect_store(struct kobject *kobj,
@@ -225,11 +227,9 @@ static struct kobj_attribute rtrs_clt_reconnect_attr =
rtrs_clt_reconnect_store);
static ssize_t rtrs_clt_disconnect_show(struct kobject *kobj,
- struct kobj_attribute *attr,
- char *page)
+ struct kobj_attribute *attr, char *buf)
{
- return scnprintf(page, PAGE_SIZE, "Usage: echo 1 > %s\n",
- attr->attr.name);
+ return sysfs_emit(buf, "Usage: echo 1 > %s\n", attr->attr.name);
}
static ssize_t rtrs_clt_disconnect_store(struct kobject *kobj,
@@ -257,11 +257,9 @@ static struct kobj_attribute rtrs_clt_disconnect_attr =
rtrs_clt_disconnect_store);
static ssize_t rtrs_clt_remove_path_show(struct kobject *kobj,
- struct kobj_attribute *attr,
- char *page)
+ struct kobj_attribute *attr, char *buf)
{
- return scnprintf(page, PAGE_SIZE, "Usage: echo 1 > %s\n",
- attr->attr.name);
+ return sysfs_emit(buf, "Usage: echo 1 > %s\n", attr->attr.name);
}
static ssize_t rtrs_clt_remove_path_store(struct kobject *kobj,
@@ -324,7 +322,7 @@ static ssize_t rtrs_clt_hca_port_show(struct kobject *kobj,
sess = container_of(kobj, typeof(*sess), kobj);
- return scnprintf(page, PAGE_SIZE, "%u\n", sess->hca_port);
+ return sysfs_emit(page, "%u\n", sess->hca_port);
}
static struct kobj_attribute rtrs_clt_hca_port_attr =
@@ -338,7 +336,7 @@ static ssize_t rtrs_clt_hca_name_show(struct kobject *kobj,
sess = container_of(kobj, struct rtrs_clt_sess, kobj);
- return scnprintf(page, PAGE_SIZE, "%s\n", sess->hca_name);
+ return sysfs_emit(page, "%s\n", sess->hca_name);
}
static struct kobj_attribute rtrs_clt_hca_name_attr =
@@ -349,12 +347,13 @@ static ssize_t rtrs_clt_src_addr_show(struct kobject *kobj,
char *page)
{
struct rtrs_clt_sess *sess;
- int cnt;
+ int len;
sess = container_of(kobj, struct rtrs_clt_sess, kobj);
- cnt = sockaddr_to_str((struct sockaddr *)&sess->s.src_addr,
- page, PAGE_SIZE);
- return cnt + scnprintf(page + cnt, PAGE_SIZE - cnt, "\n");
+ len = sockaddr_to_str((struct sockaddr *)&sess->s.src_addr, page,
+ PAGE_SIZE);
+ len += sysfs_emit_at(page, len, "\n");
+ return len;
}
static struct kobj_attribute rtrs_clt_src_addr_attr =
@@ -365,12 +364,13 @@ static ssize_t rtrs_clt_dst_addr_show(struct kobject *kobj,
char *page)
{
struct rtrs_clt_sess *sess;
- int cnt;
+ int len;
sess = container_of(kobj, struct rtrs_clt_sess, kobj);
- cnt = sockaddr_to_str((struct sockaddr *)&sess->s.dst_addr,
- page, PAGE_SIZE);
- return cnt + scnprintf(page + cnt, PAGE_SIZE - cnt, "\n");
+ len = sockaddr_to_str((struct sockaddr *)&sess->s.dst_addr, page,
+ PAGE_SIZE);
+ len += sysfs_emit_at(page, len, "\n");
+ return len;
}
static struct kobj_attribute rtrs_clt_dst_addr_attr =
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index f298adc02acb..560865f65dc4 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -1236,8 +1236,7 @@ static void free_sess_reqs(struct rtrs_clt_sess *sess)
if (req->mr)
ib_dereg_mr(req->mr);
kfree(req->sge);
- rtrs_iu_free(req->iu, DMA_TO_DEVICE,
- sess->s.dev->ib_dev, 1);
+ rtrs_iu_free(req->iu, sess->s.dev->ib_dev, 1);
}
kfree(sess->reqs);
sess->reqs = NULL;
@@ -1499,6 +1498,7 @@ static int create_con(struct rtrs_clt_sess *sess, unsigned int cid)
con->c.cid = cid;
con->c.sess = &sess->s;
atomic_set(&con->io_cnt, 0);
+ mutex_init(&con->con_mutex);
sess->s.con[cid] = &con->c;
@@ -1510,6 +1510,7 @@ static void destroy_con(struct rtrs_clt_con *con)
struct rtrs_clt_sess *sess = to_clt_sess(con->c.sess);
sess->s.con[con->c.cid] = NULL;
+ mutex_destroy(&con->con_mutex);
kfree(con);
}
@@ -1520,15 +1521,7 @@ static int create_con_cq_qp(struct rtrs_clt_con *con)
int err, cq_vector;
struct rtrs_msg_rkey_rsp *rsp;
- /*
- * This function can fail, but still destroy_con_cq_qp() should
- * be called, this is because create_con_cq_qp() is called on cm
- * event path, thus caller/waiter never knows: have we failed before
- * create_con_cq_qp() or after. To solve this dilemma without
- * creating any additional flags just allow destroy_con_cq_qp() be
- * called many times.
- */
-
+ lockdep_assert_held(&con->con_mutex);
if (con->c.cid == 0) {
/*
* One completion for each receive and two for each send
@@ -1602,11 +1595,10 @@ static void destroy_con_cq_qp(struct rtrs_clt_con *con)
* Be careful here: destroy_con_cq_qp() can be called even
* create_con_cq_qp() failed, see comments there.
*/
-
+ lockdep_assert_held(&con->con_mutex);
rtrs_cq_qp_destroy(&con->c);
if (con->rsp_ius) {
- rtrs_iu_free(con->rsp_ius, DMA_FROM_DEVICE,
- sess->s.dev->ib_dev, con->queue_size);
+ rtrs_iu_free(con->rsp_ius, sess->s.dev->ib_dev, con->queue_size);
con->rsp_ius = NULL;
con->queue_size = 0;
}
@@ -1634,16 +1626,16 @@ static int rtrs_rdma_addr_resolved(struct rtrs_clt_con *con)
struct rtrs_sess *s = con->c.sess;
int err;
+ mutex_lock(&con->con_mutex);
err = create_con_cq_qp(con);
+ mutex_unlock(&con->con_mutex);
if (err) {
rtrs_err(s, "create_con_cq_qp(), err: %d\n", err);
return err;
}
err = rdma_resolve_route(con->c.cm_id, RTRS_CONNECT_TIMEOUT_MS);
- if (err) {
+ if (err)
rtrs_err(s, "Resolving route failed, err: %d\n", err);
- destroy_con_cq_qp(con);
- }
return err;
}
@@ -1837,8 +1829,8 @@ static int rtrs_clt_rdma_cm_handler(struct rdma_cm_id *cm_id,
cm_err = rtrs_rdma_route_resolved(con);
break;
case RDMA_CM_EVENT_ESTABLISHED:
- con->cm_err = rtrs_rdma_conn_established(con, ev);
- if (likely(!con->cm_err)) {
+ cm_err = rtrs_rdma_conn_established(con, ev);
+ if (likely(!cm_err)) {
/*
* Report success and wake up. Here we abuse state_wq,
* i.e. wake up without state change, but we set cm_err.
@@ -1851,20 +1843,22 @@ static int rtrs_clt_rdma_cm_handler(struct rdma_cm_id *cm_id,
case RDMA_CM_EVENT_REJECTED:
cm_err = rtrs_rdma_conn_rejected(con, ev);
break;
+ case RDMA_CM_EVENT_DISCONNECTED:
+ /* No message for disconnecting */
+ cm_err = -ECONNRESET;
+ break;
case RDMA_CM_EVENT_CONNECT_ERROR:
case RDMA_CM_EVENT_UNREACHABLE:
+ case RDMA_CM_EVENT_ADDR_CHANGE:
+ case RDMA_CM_EVENT_TIMEWAIT_EXIT:
rtrs_wrn(s, "CM error event %d\n", ev->event);
cm_err = -ECONNRESET;
break;
case RDMA_CM_EVENT_ADDR_ERROR:
case RDMA_CM_EVENT_ROUTE_ERROR:
+ rtrs_wrn(s, "CM error event %d\n", ev->event);
cm_err = -EHOSTUNREACH;
break;
- case RDMA_CM_EVENT_DISCONNECTED:
- case RDMA_CM_EVENT_ADDR_CHANGE:
- case RDMA_CM_EVENT_TIMEWAIT_EXIT:
- cm_err = -ECONNRESET;
- break;
case RDMA_CM_EVENT_DEVICE_REMOVAL:
/*
* Device removal is a special case. Queue close and return 0.
@@ -1949,8 +1943,9 @@ static int create_cm(struct rtrs_clt_con *con)
errr:
stop_cm(con);
- /* Is safe to call destroy if cq_qp is not inited */
+ mutex_lock(&con->con_mutex);
destroy_con_cq_qp(con);
+ mutex_unlock(&con->con_mutex);
destroy_cm:
destroy_cm(con);
@@ -2057,7 +2052,9 @@ static void rtrs_clt_stop_and_destroy_conns(struct rtrs_clt_sess *sess)
if (!sess->s.con[cid])
break;
con = to_clt_con(sess->s.con[cid]);
+ mutex_lock(&con->con_mutex);
destroy_con_cq_qp(con);
+ mutex_unlock(&con->con_mutex);
destroy_cm(con);
destroy_con(con);
}
@@ -2164,8 +2161,7 @@ static void rtrs_clt_remove_path_from_arr(struct rtrs_clt_sess *sess)
mutex_unlock(&clt->paths_mutex);
}
-static void rtrs_clt_add_path_to_arr(struct rtrs_clt_sess *sess,
- struct rtrs_addr *addr)
+static void rtrs_clt_add_path_to_arr(struct rtrs_clt_sess *sess)
{
struct rtrs_clt *clt = sess->clt;
@@ -2224,7 +2220,10 @@ destroy:
struct rtrs_clt_con *con = to_clt_con(sess->s.con[cid]);
stop_cm(con);
+
+ mutex_lock(&con->con_mutex);
destroy_con_cq_qp(con);
+ mutex_unlock(&con->con_mutex);
destroy_cm(con);
destroy_con(con);
}
@@ -2245,7 +2244,7 @@ static void rtrs_clt_info_req_done(struct ib_cq *cq, struct ib_wc *wc)
struct rtrs_iu *iu;
iu = container_of(wc->wr_cqe, struct rtrs_iu, cqe);
- rtrs_iu_free(iu, DMA_TO_DEVICE, sess->s.dev->ib_dev, 1);
+ rtrs_iu_free(iu, sess->s.dev->ib_dev, 1);
if (unlikely(wc->status != IB_WC_SUCCESS)) {
rtrs_err(sess->clt, "Sess info request send failed: %s\n",
@@ -2264,8 +2263,12 @@ static int process_info_rsp(struct rtrs_clt_sess *sess,
int i, sgi;
sg_cnt = le16_to_cpu(msg->sg_cnt);
- if (unlikely(!sg_cnt))
+ if (unlikely(!sg_cnt || (sess->queue_depth % sg_cnt))) {
+ rtrs_err(sess->clt, "Incorrect sg_cnt %d, is not multiple\n",
+ sg_cnt);
return -EINVAL;
+ }
+
/*
* Check if IB immediate data size is enough to hold the mem_id and
* the offset inside the memory chunk.
@@ -2278,11 +2281,6 @@ static int process_info_rsp(struct rtrs_clt_sess *sess,
MAX_IMM_PAYL_BITS, sg_cnt, sess->chunk_size);
return -EINVAL;
}
- if (unlikely(!sg_cnt || (sess->queue_depth % sg_cnt))) {
- rtrs_err(sess->clt, "Incorrect sg_cnt %d, is not multiple\n",
- sg_cnt);
- return -EINVAL;
- }
total_len = 0;
for (sgi = 0, i = 0; sgi < sg_cnt && i < sess->queue_depth; sgi++) {
const struct rtrs_sg_desc *desc = &msg->desc[sgi];
@@ -2374,7 +2372,7 @@ static void rtrs_clt_info_rsp_done(struct ib_cq *cq, struct ib_wc *wc)
out:
rtrs_clt_update_wc_stats(con);
- rtrs_iu_free(iu, DMA_FROM_DEVICE, sess->s.dev->ib_dev, 1);
+ rtrs_iu_free(iu, sess->s.dev->ib_dev, 1);
rtrs_clt_change_state(sess, state);
}
@@ -2436,9 +2434,9 @@ static int rtrs_send_sess_info(struct rtrs_clt_sess *sess)
out:
if (tx_iu)
- rtrs_iu_free(tx_iu, DMA_TO_DEVICE, sess->s.dev->ib_dev, 1);
+ rtrs_iu_free(tx_iu, sess->s.dev->ib_dev, 1);
if (rx_iu)
- rtrs_iu_free(rx_iu, DMA_FROM_DEVICE, sess->s.dev->ib_dev, 1);
+ rtrs_iu_free(rx_iu, sess->s.dev->ib_dev, 1);
if (unlikely(err))
/* If we've never taken async path because of malloc problems */
rtrs_clt_change_state(sess, RTRS_CLT_CONNECTING_ERR);
@@ -2938,7 +2936,7 @@ int rtrs_clt_create_path_from_sysfs(struct rtrs_clt *clt,
* IO will never grab it. Also it is very important to add
* path before init, since init fires LINK_CONNECTED event.
*/
- rtrs_clt_add_path_to_arr(sess, addr);
+ rtrs_clt_add_path_to_arr(sess);
err = init_sess(sess);
if (err)
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.h b/drivers/infiniband/ulp/rtrs/rtrs-clt.h
index 167acd3c90fc..b8dbd701b3cb 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.h
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.h
@@ -72,6 +72,7 @@ struct rtrs_clt_con {
struct rtrs_iu *rsp_ius;
u32 queue_size;
unsigned int cpu;
+ struct mutex con_mutex;
atomic_t io_cnt;
int cm_err;
};
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-pri.h b/drivers/infiniband/ulp/rtrs/rtrs-pri.h
index b8e43dc4d95a..3f2918671dbe 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-pri.h
+++ b/drivers/infiniband/ulp/rtrs/rtrs-pri.h
@@ -287,8 +287,7 @@ struct rtrs_msg_rdma_hdr {
struct rtrs_iu *rtrs_iu_alloc(u32 queue_size, size_t size, gfp_t t,
struct ib_device *dev, enum dma_data_direction,
void (*done)(struct ib_cq *cq, struct ib_wc *wc));
-void rtrs_iu_free(struct rtrs_iu *iu, enum dma_data_direction dir,
- struct ib_device *dev, u32 queue_size);
+void rtrs_iu_free(struct rtrs_iu *iu, struct ib_device *dev, u32 queue_size);
int rtrs_iu_post_recv(struct rtrs_con *con, struct rtrs_iu *iu);
int rtrs_iu_post_send(struct rtrs_con *con, struct rtrs_iu *iu, size_t size,
struct ib_send_wr *head);
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c b/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
index 07fbb063555d..d2edff3b8f0d 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
@@ -27,11 +27,9 @@ static struct kobj_type ktype = {
};
static ssize_t rtrs_srv_disconnect_show(struct kobject *kobj,
- struct kobj_attribute *attr,
- char *page)
+ struct kobj_attribute *attr, char *buf)
{
- return scnprintf(page, PAGE_SIZE, "Usage: echo 1 > %s\n",
- attr->attr.name);
+ return sysfs_emit(buf, "Usage: echo 1 > %s\n", attr->attr.name);
}
static ssize_t rtrs_srv_disconnect_store(struct kobject *kobj,
@@ -72,8 +70,7 @@ static ssize_t rtrs_srv_hca_port_show(struct kobject *kobj,
sess = container_of(kobj, typeof(*sess), kobj);
usr_con = sess->s.con[0];
- return scnprintf(page, PAGE_SIZE, "%u\n",
- usr_con->cm_id->port_num);
+ return sysfs_emit(page, "%u\n", usr_con->cm_id->port_num);
}
static struct kobj_attribute rtrs_srv_hca_port_attr =
@@ -87,8 +84,7 @@ static ssize_t rtrs_srv_hca_name_show(struct kobject *kobj,
sess = container_of(kobj, struct rtrs_srv_sess, kobj);
- return scnprintf(page, PAGE_SIZE, "%s\n",
- sess->s.dev->ib_dev->name);
+ return sysfs_emit(page, "%s\n", sess->s.dev->ib_dev->name);
}
static struct kobj_attribute rtrs_srv_hca_name_attr =
@@ -115,12 +111,13 @@ static ssize_t rtrs_srv_dst_addr_show(struct kobject *kobj,
char *page)
{
struct rtrs_srv_sess *sess;
- int cnt;
+ int len;
sess = container_of(kobj, struct rtrs_srv_sess, kobj);
- cnt = sockaddr_to_str((struct sockaddr *)&sess->s.src_addr,
- page, PAGE_SIZE);
- return cnt + scnprintf(page + cnt, PAGE_SIZE - cnt, "\n");
+ len = sockaddr_to_str((struct sockaddr *)&sess->s.src_addr, page,
+ PAGE_SIZE);
+ len += sysfs_emit_at(page, len, "\n");
+ return len;
}
static struct kobj_attribute rtrs_srv_dst_addr_attr =
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index d6f93601712e..c42fd470c4eb 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -113,28 +113,18 @@ static bool __rtrs_srv_change_state(struct rtrs_srv_sess *sess,
return changed;
}
-static bool rtrs_srv_change_state_get_old(struct rtrs_srv_sess *sess,
- enum rtrs_srv_state new_state,
- enum rtrs_srv_state *old_state)
+static bool rtrs_srv_change_state(struct rtrs_srv_sess *sess,
+ enum rtrs_srv_state new_state)
{
bool changed;
spin_lock_irq(&sess->state_lock);
- *old_state = sess->state;
changed = __rtrs_srv_change_state(sess, new_state);
spin_unlock_irq(&sess->state_lock);
return changed;
}
-static bool rtrs_srv_change_state(struct rtrs_srv_sess *sess,
- enum rtrs_srv_state new_state)
-{
- enum rtrs_srv_state old_state;
-
- return rtrs_srv_change_state_get_old(sess, new_state, &old_state);
-}
-
static void free_id(struct rtrs_srv_op *id)
{
if (!id)
@@ -471,10 +461,7 @@ static int send_io_resp_imm(struct rtrs_srv_con *con, struct rtrs_srv_op *id,
void close_sess(struct rtrs_srv_sess *sess)
{
- enum rtrs_srv_state old_state;
-
- if (rtrs_srv_change_state_get_old(sess, RTRS_SRV_CLOSING,
- &old_state))
+ if (rtrs_srv_change_state(sess, RTRS_SRV_CLOSING))
queue_work(rtrs_wq, &sess->close_work);
WARN_ON(sess->state != RTRS_SRV_CLOSING);
}
@@ -577,8 +564,7 @@ static void unmap_cont_bufs(struct rtrs_srv_sess *sess)
struct rtrs_srv_mr *srv_mr;
srv_mr = &sess->mrs[i];
- rtrs_iu_free(srv_mr->iu, DMA_TO_DEVICE,
- sess->s.dev->ib_dev, 1);
+ rtrs_iu_free(srv_mr->iu, sess->s.dev->ib_dev, 1);
ib_dereg_mr(srv_mr->mr);
ib_dma_unmap_sg(sess->s.dev->ib_dev, srv_mr->sgt.sgl,
srv_mr->sgt.nents, DMA_BIDIRECTIONAL);
@@ -682,8 +668,7 @@ err:
sgt = &srv_mr->sgt;
mr = srv_mr->mr;
free_iu:
- rtrs_iu_free(srv_mr->iu, DMA_TO_DEVICE,
- sess->s.dev->ib_dev, 1);
+ rtrs_iu_free(srv_mr->iu, sess->s.dev->ib_dev, 1);
dereg_mr:
ib_dereg_mr(mr);
unmap_sg:
@@ -735,7 +720,7 @@ static void rtrs_srv_info_rsp_done(struct ib_cq *cq, struct ib_wc *wc)
struct rtrs_iu *iu;
iu = container_of(wc->wr_cqe, struct rtrs_iu, cqe);
- rtrs_iu_free(iu, DMA_TO_DEVICE, sess->s.dev->ib_dev, 1);
+ rtrs_iu_free(iu, sess->s.dev->ib_dev, 1);
if (unlikely(wc->status != IB_WC_SUCCESS)) {
rtrs_err(s, "Sess info response send failed: %s\n",
@@ -861,7 +846,7 @@ static int process_info_req(struct rtrs_srv_con *con,
if (unlikely(err)) {
rtrs_err(s, "rtrs_iu_post_send(), err: %d\n", err);
iu_free:
- rtrs_iu_free(tx_iu, DMA_TO_DEVICE, sess->s.dev->ib_dev, 1);
+ rtrs_iu_free(tx_iu, sess->s.dev->ib_dev, 1);
}
rwr_free:
kfree(rwr);
@@ -906,7 +891,7 @@ static void rtrs_srv_info_req_done(struct ib_cq *cq, struct ib_wc *wc)
goto close;
out:
- rtrs_iu_free(iu, DMA_FROM_DEVICE, sess->s.dev->ib_dev, 1);
+ rtrs_iu_free(iu, sess->s.dev->ib_dev, 1);
return;
close:
close_sess(sess);
@@ -929,7 +914,7 @@ static int post_recv_info_req(struct rtrs_srv_con *con)
err = rtrs_iu_post_recv(&con->c, rx_iu);
if (unlikely(err)) {
rtrs_err(s, "rtrs_iu_post_recv(), err: %d\n", err);
- rtrs_iu_free(rx_iu, DMA_FROM_DEVICE, sess->s.dev->ib_dev, 1);
+ rtrs_iu_free(rx_iu, sess->s.dev->ib_dev, 1);
return err;
}
@@ -1328,17 +1313,42 @@ static void rtrs_srv_dev_release(struct device *dev)
kfree(srv);
}
-static struct rtrs_srv *__alloc_srv(struct rtrs_srv_ctx *ctx,
- const uuid_t *paths_uuid)
+static void free_srv(struct rtrs_srv *srv)
+{
+ int i;
+
+ WARN_ON(refcount_read(&srv->refcount));
+ for (i = 0; i < srv->queue_depth; i++)
+ mempool_free(srv->chunks[i], chunk_pool);
+ kfree(srv->chunks);
+ mutex_destroy(&srv->paths_mutex);
+ mutex_destroy(&srv->paths_ev_mutex);
+ /* last put to release the srv structure */
+ put_device(&srv->dev);
+}
+
+static struct rtrs_srv *get_or_create_srv(struct rtrs_srv_ctx *ctx,
+ const uuid_t *paths_uuid)
{
struct rtrs_srv *srv;
int i;
+ mutex_lock(&ctx->srv_mutex);
+ list_for_each_entry(srv, &ctx->srv_list, ctx_list) {
+ if (uuid_equal(&srv->paths_uuid, paths_uuid) &&
+ refcount_inc_not_zero(&srv->refcount)) {
+ mutex_unlock(&ctx->srv_mutex);
+ return srv;
+ }
+ }
+
+ /* need to allocate a new srv */
srv = kzalloc(sizeof(*srv), GFP_KERNEL);
- if (!srv)
+ if (!srv) {
+ mutex_unlock(&ctx->srv_mutex);
return NULL;
+ }
- refcount_set(&srv->refcount, 1);
INIT_LIST_HEAD(&srv->paths_list);
mutex_init(&srv->paths_mutex);
mutex_init(&srv->paths_ev_mutex);
@@ -1347,6 +1357,8 @@ static struct rtrs_srv *__alloc_srv(struct rtrs_srv_ctx *ctx,
srv->ctx = ctx;
device_initialize(&srv->dev);
srv->dev.release = rtrs_srv_dev_release;
+ list_add(&srv->ctx_list, &ctx->srv_list);
+ mutex_unlock(&ctx->srv_mutex);
srv->chunks = kcalloc(srv->queue_depth, sizeof(*srv->chunks),
GFP_KERNEL);
@@ -1358,7 +1370,7 @@ static struct rtrs_srv *__alloc_srv(struct rtrs_srv_ctx *ctx,
if (!srv->chunks[i])
goto err_free_chunks;
}
- list_add(&srv->ctx_list, &ctx->srv_list);
+ refcount_set(&srv->refcount, 1);
return srv;
@@ -1369,52 +1381,9 @@ err_free_chunks:
err_free_srv:
kfree(srv);
-
- return NULL;
-}
-
-static void free_srv(struct rtrs_srv *srv)
-{
- int i;
-
- WARN_ON(refcount_read(&srv->refcount));
- for (i = 0; i < srv->queue_depth; i++)
- mempool_free(srv->chunks[i], chunk_pool);
- kfree(srv->chunks);
- mutex_destroy(&srv->paths_mutex);
- mutex_destroy(&srv->paths_ev_mutex);
- /* last put to release the srv structure */
- put_device(&srv->dev);
-}
-
-static inline struct rtrs_srv *__find_srv_and_get(struct rtrs_srv_ctx *ctx,
- const uuid_t *paths_uuid)
-{
- struct rtrs_srv *srv;
-
- list_for_each_entry(srv, &ctx->srv_list, ctx_list) {
- if (uuid_equal(&srv->paths_uuid, paths_uuid) &&
- refcount_inc_not_zero(&srv->refcount))
- return srv;
- }
-
return NULL;
}
-static struct rtrs_srv *get_or_create_srv(struct rtrs_srv_ctx *ctx,
- const uuid_t *paths_uuid)
-{
- struct rtrs_srv *srv;
-
- mutex_lock(&ctx->srv_mutex);
- srv = __find_srv_and_get(ctx, paths_uuid);
- if (!srv)
- srv = __alloc_srv(ctx, paths_uuid);
- mutex_unlock(&ctx->srv_mutex);
-
- return srv;
-}
-
static void put_srv(struct rtrs_srv *srv)
{
if (refcount_dec_and_test(&srv->refcount)) {
@@ -1813,7 +1782,11 @@ static int rtrs_rdma_connect(struct rdma_cm_id *cm_id,
}
recon_cnt = le16_to_cpu(msg->recon_cnt);
srv = get_or_create_srv(ctx, &msg->paths_uuid);
- if (!srv) {
+ /*
+ * "refcount == 0" happens if a previous thread calls get_or_create_srv
+ * allocate srv, but chunks of srv are not allocated yet.
+ */
+ if (!srv || refcount_read(&srv->refcount) == 0) {
err = -ENOMEM;
goto reject_w_err;
}
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.h b/drivers/infiniband/ulp/rtrs/rtrs-srv.h
index 08b0b8a6eebe..9543ae19996c 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.h
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.h
@@ -62,7 +62,7 @@ struct rtrs_srv_op {
/*
* server side memory region context, when always_invalidate=Y, we need
- * queue_depth of memory regrion to invalidate each memory region.
+ * queue_depth of memory region to invalidate each memory region.
*/
struct rtrs_srv_mr {
struct ib_mr *mr;
diff --git a/drivers/infiniband/ulp/rtrs/rtrs.c b/drivers/infiniband/ulp/rtrs/rtrs.c
index ff1093d6e4bc..2e3a849e0a77 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs.c
@@ -31,6 +31,7 @@ struct rtrs_iu *rtrs_iu_alloc(u32 queue_size, size_t size, gfp_t gfp_mask,
return NULL;
for (i = 0; i < queue_size; i++) {
iu = &ius[i];
+ iu->direction = dir;
iu->buf = kzalloc(size, gfp_mask);
if (!iu->buf)
goto err;
@@ -41,17 +42,15 @@ struct rtrs_iu *rtrs_iu_alloc(u32 queue_size, size_t size, gfp_t gfp_mask,
iu->cqe.done = done;
iu->size = size;
- iu->direction = dir;
}
return ius;
err:
- rtrs_iu_free(ius, dir, dma_dev, i);
+ rtrs_iu_free(ius, dma_dev, i);
return NULL;
}
EXPORT_SYMBOL_GPL(rtrs_iu_alloc);
-void rtrs_iu_free(struct rtrs_iu *ius, enum dma_data_direction dir,
- struct ib_device *ibdev, u32 queue_size)
+void rtrs_iu_free(struct rtrs_iu *ius, struct ib_device *ibdev, u32 queue_size)
{
struct rtrs_iu *iu;
int i;
@@ -61,7 +60,7 @@ void rtrs_iu_free(struct rtrs_iu *ius, enum dma_data_direction dir,
for (i = 0; i < queue_size; i++) {
iu = &ius[i];
- ib_dma_unmap_single(ibdev, iu->dma_addr, iu->size, dir);
+ ib_dma_unmap_single(ibdev, iu->dma_addr, iu->size, iu->direction);
kfree(iu->buf);
}
kfree(ius);
@@ -105,6 +104,22 @@ int rtrs_post_recv_empty(struct rtrs_con *con, struct ib_cqe *cqe)
}
EXPORT_SYMBOL_GPL(rtrs_post_recv_empty);
+static int rtrs_post_send(struct ib_qp *qp, struct ib_send_wr *head,
+ struct ib_send_wr *wr)
+{
+ if (head) {
+ struct ib_send_wr *tail = head;
+
+ while (tail->next)
+ tail = tail->next;
+ tail->next = wr;
+ } else {
+ head = wr;
+ }
+
+ return ib_post_send(qp, head, NULL);
+}
+
int rtrs_iu_post_send(struct rtrs_con *con, struct rtrs_iu *iu, size_t size,
struct ib_send_wr *head)
{
@@ -127,17 +142,7 @@ int rtrs_iu_post_send(struct rtrs_con *con, struct rtrs_iu *iu, size_t size,
.send_flags = IB_SEND_SIGNALED,
};
- if (head) {
- struct ib_send_wr *tail = head;
-
- while (tail->next)
- tail = tail->next;
- tail->next = &wr;
- } else {
- head = &wr;
- }
-
- return ib_post_send(con->qp, head, NULL);
+ return rtrs_post_send(con->qp, head, &wr);
}
EXPORT_SYMBOL_GPL(rtrs_iu_post_send);
@@ -169,17 +174,7 @@ int rtrs_iu_post_rdma_write_imm(struct rtrs_con *con, struct rtrs_iu *iu,
if (WARN_ON(sge[i].length == 0))
return -EINVAL;
- if (head) {
- struct ib_send_wr *tail = head;
-
- while (tail->next)
- tail = tail->next;
- tail->next = &wr.wr;
- } else {
- head = &wr.wr;
- }
-
- return ib_post_send(con->qp, head, NULL);
+ return rtrs_post_send(con->qp, head, &wr.wr);
}
EXPORT_SYMBOL_GPL(rtrs_iu_post_rdma_write_imm);
@@ -196,17 +191,7 @@ int rtrs_post_rdma_write_imm_empty(struct rtrs_con *con, struct ib_cqe *cqe,
.ex.imm_data = cpu_to_be32(imm_data),
};
- if (head) {
- struct ib_send_wr *tail = head;
-
- while (tail->next)
- tail = tail->next;
- tail->next = &wr;
- } else {
- head = &wr;
- }
-
- return ib_post_send(con->qp, head, NULL);
+ return rtrs_post_send(con->qp, head, &wr);
}
EXPORT_SYMBOL_GPL(rtrs_post_rdma_write_imm_empty);
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index d8fcd21ab472..5492b66a8153 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -169,9 +169,9 @@ static int srp_tmo_get(char *buffer, const struct kernel_param *kp)
int tmo = *(int *)kp->arg;
if (tmo >= 0)
- return sprintf(buffer, "%d\n", tmo);
+ return sysfs_emit(buffer, "%d\n", tmo);
else
- return sprintf(buffer, "off\n");
+ return sysfs_emit(buffer, "off\n");
}
static int srp_tmo_set(const char *val, const struct kernel_param *kp)
@@ -2896,7 +2896,7 @@ static ssize_t show_id_ext(struct device *dev, struct device_attribute *attr,
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
- return sprintf(buf, "0x%016llx\n", be64_to_cpu(target->id_ext));
+ return sysfs_emit(buf, "0x%016llx\n", be64_to_cpu(target->id_ext));
}
static ssize_t show_ioc_guid(struct device *dev, struct device_attribute *attr,
@@ -2904,7 +2904,7 @@ static ssize_t show_ioc_guid(struct device *dev, struct device_attribute *attr,
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
- return sprintf(buf, "0x%016llx\n", be64_to_cpu(target->ioc_guid));
+ return sysfs_emit(buf, "0x%016llx\n", be64_to_cpu(target->ioc_guid));
}
static ssize_t show_service_id(struct device *dev,
@@ -2914,8 +2914,8 @@ static ssize_t show_service_id(struct device *dev,
if (target->using_rdma_cm)
return -ENOENT;
- return sprintf(buf, "0x%016llx\n",
- be64_to_cpu(target->ib_cm.service_id));
+ return sysfs_emit(buf, "0x%016llx\n",
+ be64_to_cpu(target->ib_cm.service_id));
}
static ssize_t show_pkey(struct device *dev, struct device_attribute *attr,
@@ -2925,7 +2925,8 @@ static ssize_t show_pkey(struct device *dev, struct device_attribute *attr,
if (target->using_rdma_cm)
return -ENOENT;
- return sprintf(buf, "0x%04x\n", be16_to_cpu(target->ib_cm.pkey));
+
+ return sysfs_emit(buf, "0x%04x\n", be16_to_cpu(target->ib_cm.pkey));
}
static ssize_t show_sgid(struct device *dev, struct device_attribute *attr,
@@ -2933,7 +2934,7 @@ static ssize_t show_sgid(struct device *dev, struct device_attribute *attr,
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
- return sprintf(buf, "%pI6\n", target->sgid.raw);
+ return sysfs_emit(buf, "%pI6\n", target->sgid.raw);
}
static ssize_t show_dgid(struct device *dev, struct device_attribute *attr,
@@ -2944,7 +2945,8 @@ static ssize_t show_dgid(struct device *dev, struct device_attribute *attr,
if (target->using_rdma_cm)
return -ENOENT;
- return sprintf(buf, "%pI6\n", ch->ib_cm.path.dgid.raw);
+
+ return sysfs_emit(buf, "%pI6\n", ch->ib_cm.path.dgid.raw);
}
static ssize_t show_orig_dgid(struct device *dev,
@@ -2954,7 +2956,8 @@ static ssize_t show_orig_dgid(struct device *dev,
if (target->using_rdma_cm)
return -ENOENT;
- return sprintf(buf, "%pI6\n", target->ib_cm.orig_dgid.raw);
+
+ return sysfs_emit(buf, "%pI6\n", target->ib_cm.orig_dgid.raw);
}
static ssize_t show_req_lim(struct device *dev,
@@ -2968,7 +2971,8 @@ static ssize_t show_req_lim(struct device *dev,
ch = &target->ch[i];
req_lim = min(req_lim, ch->req_lim);
}
- return sprintf(buf, "%d\n", req_lim);
+
+ return sysfs_emit(buf, "%d\n", req_lim);
}
static ssize_t show_zero_req_lim(struct device *dev,
@@ -2976,7 +2980,7 @@ static ssize_t show_zero_req_lim(struct device *dev,
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
- return sprintf(buf, "%d\n", target->zero_req_lim);
+ return sysfs_emit(buf, "%d\n", target->zero_req_lim);
}
static ssize_t show_local_ib_port(struct device *dev,
@@ -2984,7 +2988,7 @@ static ssize_t show_local_ib_port(struct device *dev,
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
- return sprintf(buf, "%d\n", target->srp_host->port);
+ return sysfs_emit(buf, "%d\n", target->srp_host->port);
}
static ssize_t show_local_ib_device(struct device *dev,
@@ -2992,8 +2996,8 @@ static ssize_t show_local_ib_device(struct device *dev,
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
- return sprintf(buf, "%s\n",
- dev_name(&target->srp_host->srp_dev->dev->dev));
+ return sysfs_emit(buf, "%s\n",
+ dev_name(&target->srp_host->srp_dev->dev->dev));
}
static ssize_t show_ch_count(struct device *dev, struct device_attribute *attr,
@@ -3001,7 +3005,7 @@ static ssize_t show_ch_count(struct device *dev, struct device_attribute *attr,
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
- return sprintf(buf, "%d\n", target->ch_count);
+ return sysfs_emit(buf, "%d\n", target->ch_count);
}
static ssize_t show_comp_vector(struct device *dev,
@@ -3009,7 +3013,7 @@ static ssize_t show_comp_vector(struct device *dev,
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
- return sprintf(buf, "%d\n", target->comp_vector);
+ return sysfs_emit(buf, "%d\n", target->comp_vector);
}
static ssize_t show_tl_retry_count(struct device *dev,
@@ -3017,7 +3021,7 @@ static ssize_t show_tl_retry_count(struct device *dev,
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
- return sprintf(buf, "%d\n", target->tl_retry_count);
+ return sysfs_emit(buf, "%d\n", target->tl_retry_count);
}
static ssize_t show_cmd_sg_entries(struct device *dev,
@@ -3025,7 +3029,7 @@ static ssize_t show_cmd_sg_entries(struct device *dev,
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
- return sprintf(buf, "%u\n", target->cmd_sg_cnt);
+ return sysfs_emit(buf, "%u\n", target->cmd_sg_cnt);
}
static ssize_t show_allow_ext_sg(struct device *dev,
@@ -3033,7 +3037,7 @@ static ssize_t show_allow_ext_sg(struct device *dev,
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
- return sprintf(buf, "%s\n", target->allow_ext_sg ? "true" : "false");
+ return sysfs_emit(buf, "%s\n", target->allow_ext_sg ? "true" : "false");
}
static DEVICE_ATTR(id_ext, S_IRUGO, show_id_ext, NULL);
@@ -3893,7 +3897,7 @@ static ssize_t show_ibdev(struct device *dev, struct device_attribute *attr,
{
struct srp_host *host = container_of(dev, struct srp_host, dev);
- return sprintf(buf, "%s\n", dev_name(&host->srp_dev->dev->dev));
+ return sysfs_emit(buf, "%s\n", dev_name(&host->srp_dev->dev->dev));
}
static DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL);
@@ -3903,7 +3907,7 @@ static ssize_t show_port(struct device *dev, struct device_attribute *attr,
{
struct srp_host *host = container_of(dev, struct srp_host, dev);
- return sprintf(buf, "%d\n", host->port);
+ return sysfs_emit(buf, "%d\n", host->port);
}
static DEVICE_ATTR(port, S_IRUGO, show_port, NULL);
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 53a8becac827..9cbbce1bccd6 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -3448,7 +3448,7 @@ static ssize_t srpt_tpg_attrib_srp_max_rdma_size_show(struct config_item *item,
struct se_portal_group *se_tpg = attrib_to_tpg(item);
struct srpt_port *sport = srpt_tpg_to_sport(se_tpg);
- return sprintf(page, "%u\n", sport->port_attrib.srp_max_rdma_size);
+ return sysfs_emit(page, "%u\n", sport->port_attrib.srp_max_rdma_size);
}
static ssize_t srpt_tpg_attrib_srp_max_rdma_size_store(struct config_item *item,
@@ -3485,7 +3485,7 @@ static ssize_t srpt_tpg_attrib_srp_max_rsp_size_show(struct config_item *item,
struct se_portal_group *se_tpg = attrib_to_tpg(item);
struct srpt_port *sport = srpt_tpg_to_sport(se_tpg);
- return sprintf(page, "%u\n", sport->port_attrib.srp_max_rsp_size);
+ return sysfs_emit(page, "%u\n", sport->port_attrib.srp_max_rsp_size);
}
static ssize_t srpt_tpg_attrib_srp_max_rsp_size_store(struct config_item *item,
@@ -3522,7 +3522,7 @@ static ssize_t srpt_tpg_attrib_srp_sq_size_show(struct config_item *item,
struct se_portal_group *se_tpg = attrib_to_tpg(item);
struct srpt_port *sport = srpt_tpg_to_sport(se_tpg);
- return sprintf(page, "%u\n", sport->port_attrib.srp_sq_size);
+ return sysfs_emit(page, "%u\n", sport->port_attrib.srp_sq_size);
}
static ssize_t srpt_tpg_attrib_srp_sq_size_store(struct config_item *item,
@@ -3559,7 +3559,7 @@ static ssize_t srpt_tpg_attrib_use_srq_show(struct config_item *item,
struct se_portal_group *se_tpg = attrib_to_tpg(item);
struct srpt_port *sport = srpt_tpg_to_sport(se_tpg);
- return sprintf(page, "%d\n", sport->port_attrib.use_srq);
+ return sysfs_emit(page, "%d\n", sport->port_attrib.use_srq);
}
static ssize_t srpt_tpg_attrib_use_srq_store(struct config_item *item,
@@ -3649,7 +3649,7 @@ out:
static ssize_t srpt_rdma_cm_port_show(struct config_item *item, char *page)
{
- return sprintf(page, "%d\n", rdma_cm_port);
+ return sysfs_emit(page, "%d\n", rdma_cm_port);
}
static ssize_t srpt_rdma_cm_port_store(struct config_item *item,
@@ -3705,7 +3705,7 @@ static ssize_t srpt_tpg_enable_show(struct config_item *item, char *page)
struct se_portal_group *se_tpg = to_tpg(item);
struct srpt_port *sport = srpt_tpg_to_sport(se_tpg);
- return snprintf(page, PAGE_SIZE, "%d\n", sport->enabled);
+ return sysfs_emit(page, "%d\n", sport->enabled);
}
static ssize_t srpt_tpg_enable_store(struct config_item *item,
@@ -3812,7 +3812,7 @@ static void srpt_drop_tport(struct se_wwn *wwn)
static ssize_t srpt_wwn_version_show(struct config_item *item, char *buf)
{
- return scnprintf(buf, PAGE_SIZE, "\n");
+ return sysfs_emit(buf, "\n");
}
CONFIGFS_ATTR_RO(srpt_wwn_, version);