diff options
| author | Roland Dreier <rolandd@cisco.com> | 2005-10-14 23:00:58 +0200 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2005-10-18 00:20:30 +0200 |
| commit | 883a99c7024c5763d6d4f22d9239c133893e8d74 (patch) | |
| tree | 659a7982a51d0ba187dac826a5b1e5ef319692fd | |
| parent | [IB] fail SA queries if device initialization failed (diff) | |
| download | linux-883a99c7024c5763d6d4f22d9239c133893e8d74.tar.xz linux-883a99c7024c5763d6d4f22d9239c133893e8d74.zip | |
[IB] uverbs: Add a mask of device methods allowed for userspace
Give each device a uverbs_cmd_mask, so that a low-level driver can
control which methods may be called on behalf of userspace.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
| -rw-r--r-- | drivers/infiniband/core/uverbs_main.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_provider.c | 20 | ||||
| -rw-r--r-- | include/rdma/ib_verbs.h | 1 |
3 files changed, 23 insertions, 1 deletions
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 3a887006b253..6a5e5084db7a 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -514,7 +514,8 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, if (hdr.command < 0 || hdr.command >= ARRAY_SIZE(uverbs_cmd_table) || - !uverbs_cmd_table[hdr.command]) + !uverbs_cmd_table[hdr.command] || + !(file->device->ib_dev->uverbs_cmd_mask & (1ull << hdr.command))) return -EINVAL; if (!file->ucontext && diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index 46864d18827d..9e911a1ea415 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -37,6 +37,7 @@ */ #include <rdma/ib_smi.h> +#include <rdma/ib_user_verbs.h> #include <linux/mm.h> #include "mthca_dev.h" @@ -1077,6 +1078,25 @@ int mthca_register_device(struct mthca_dev *dev) dev->ib_dev.owner = THIS_MODULE; dev->ib_dev.uverbs_abi_ver = MTHCA_UVERBS_ABI_VERSION; + 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_DESTROY_CQ) | + (1ull << IB_USER_VERBS_CMD_CREATE_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) | + (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | + (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | + (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ); dev->ib_dev.node_type = IB_NODE_CA; dev->ib_dev.phys_port_cnt = dev->limits.num_ports; dev->ib_dev.dma_device = &dev->pdev->dev; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index d13f25a78192..a5a963cb5676 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -951,6 +951,7 @@ struct ib_device { IB_DEV_UNREGISTERED } reg_state; + u64 uverbs_cmd_mask; int uverbs_abi_ver; u8 node_type; |