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| author | Gal Pressman <galpress@amazon.com> | 2020-07-31 09:04:17 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-08-18 14:52:44 -0300 |
| commit | 34eb009ffe2e2b09e356e24bba548bec80708e86 (patch) | |
| tree | b2521a10fc7159b0d0cfcad7ad2a8111c1decc56 /drivers/infiniband/hw/efa/efa_verbs.c | |
| parent | d6673746d69909f9ab52cf9fe1f9a21fca202e0c (diff) | |
| download | kernel_replicant_linux-34eb009ffe2e2b09e356e24bba548bec80708e86.tar.gz kernel_replicant_linux-34eb009ffe2e2b09e356e24bba548bec80708e86.tar.bz2 kernel_replicant_linux-34eb009ffe2e2b09e356e24bba548bec80708e86.zip | |
RDMA/efa: Add a generic capability check helper
Instead of adding a new function for each capability added, introduce a
generic helper to query device capabilities.
Link: https://lore.kernel.org/r/20200731060420.17053-2-galpress@amazon.com
Reviewed-by: Firas JahJah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/efa/efa_verbs.c')
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_verbs.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c index 9e201f169289..d10761cb42cd 100644 --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -142,10 +142,9 @@ to_emmap(struct rdma_user_mmap_entry *rdma_entry) return container_of(rdma_entry, struct efa_user_mmap_entry, rdma_entry); } -static inline bool is_rdma_read_cap(struct efa_dev *dev) -{ - return dev->dev_attr.device_caps & EFA_ADMIN_FEATURE_DEVICE_ATTR_DESC_RDMA_READ_MASK; -} +#define EFA_DEV_CAP(dev, cap) \ + ((dev)->dev_attr.device_caps & \ + EFA_ADMIN_FEATURE_DEVICE_ATTR_DESC_##cap##_MASK) #define is_reserved_cleared(reserved) \ !memchr_inv(reserved, 0, sizeof(reserved)) @@ -221,7 +220,7 @@ int efa_query_device(struct ib_device *ibdev, resp.max_rq_wr = dev_attr->max_rq_depth; resp.max_rdma_size = dev_attr->max_rdma_size; - if (is_rdma_read_cap(dev)) + if (EFA_DEV_CAP(dev, RDMA_READ)) resp.device_caps |= EFA_QUERY_DEVICE_CAPS_RDMA_READ; err = ib_copy_to_udata(udata, &resp, @@ -1370,7 +1369,7 @@ struct ib_mr *efa_reg_mr(struct ib_pd *ibpd, u64 start, u64 length, supp_access_flags = IB_ACCESS_LOCAL_WRITE | - (is_rdma_read_cap(dev) ? IB_ACCESS_REMOTE_READ : 0); + (EFA_DEV_CAP(dev, RDMA_READ) ? IB_ACCESS_REMOTE_READ : 0); access_flags &= ~IB_ACCESS_OPTIONAL; if (access_flags & ~supp_access_flags) { |