diff options
| author | Lijun Ou <oulijun@huawei.com> | 2019-08-21 15:14:31 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2019-08-28 17:57:26 +0200 |
| commit | 90c559b1864aa52518c10d5535bf5d5ea74189e5 (patch) | |
| tree | 980f2c102918b5afd5252618e9a9866bbea5014b /drivers/infiniband | |
| parent | RDMA/hns: Modify the data structure of hns_roce_av (diff) | |
| download | linux-90c559b1864aa52518c10d5535bf5d5ea74189e5.tar.xz linux-90c559b1864aa52518c10d5535bf5d5ea74189e5.zip | |
RDMA/hns: Remove the some magic number
Here uses the meaningful macro instead of the magic number
for readability.
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Lang Chen <chenglang@huawei.com>
Link: https://lore.kernel.org/r/1566393276-42555-5-git-send-email-oulijun@huawei.com
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_device.h | 5 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 4 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 3 |
4 files changed, 11 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index 011e0384b56e..5eb7134f2fce 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -127,6 +127,11 @@ #define HNS_ROCE_IDX_QUE_ENTRY_SZ 4 #define SRQ_DB_REG 0x230 +/* The chip implementation of the consumer index is calculated + * according to twice the actual EQ depth + */ +#define EQ_DEPTH_COEFF 2 + enum { HNS_ROCE_SUPPORT_RQ_RECORD_DB = 1 << 0, HNS_ROCE_SUPPORT_SQ_RECORD_DB = 1 << 1, diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index e687b439269e..3fcd0bdc79dd 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -4018,7 +4018,8 @@ static int hns_roce_v1_ceq_int(struct hns_roce_dev *hr_dev, ++eq->cons_index; ceqes_found = 1; - if (eq->cons_index > 2 * hr_dev->caps.ceqe_depth - 1) { + if (eq->cons_index > + EQ_DEPTH_COEFF * hr_dev->caps.ceqe_depth - 1) { dev_warn(&eq->hr_dev->pdev->dev, "cons_index overflow, set back to 0.\n"); eq->cons_index = 0; diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 67e56b885771..d4c4c4157085 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -5084,7 +5084,7 @@ static int hns_roce_v2_ceq_int(struct hns_roce_dev *hr_dev, ++eq->cons_index; ceqe_found = 1; - if (eq->cons_index > (2 * eq->entries - 1)) { + if (eq->cons_index > (EQ_DEPTH_COEFF * eq->entries - 1)) { dev_warn(dev, "cons_index overflow, set back to 0.\n"); eq->cons_index = 0; } @@ -6501,7 +6501,7 @@ static int hns_roce_hw_v2_reset_notify_uninit(struct hnae3_handle *handle) handle->rinfo.reset_state = HNS_ROCE_STATE_RST_UNINIT; dev_info(&handle->pdev->dev, "In reset process RoCE client uninit.\n"); - msleep(100); + msleep(HNS_ROCE_V2_HW_RST_UNINT_DELAY); __hns_roce_hw_v2_uninit_instance(handle, false); return 0; diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h index 58931b5399f8..1301629769ed 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h @@ -96,7 +96,8 @@ #define HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE 2 #define HNS_ROCE_V2_RSV_QPS 8 -#define HNS_ROCE_V2_HW_RST_TIMEOUT 1000 +#define HNS_ROCE_V2_HW_RST_TIMEOUT 1000 +#define HNS_ROCE_V2_HW_RST_UNINT_DELAY 100 #define HNS_ROCE_CONTEXT_HOP_NUM 1 #define HNS_ROCE_SCCC_HOP_NUM 1 |