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| author | Christoph Hellwig <hch@lst.de> | 2016-05-03 16:01:05 (GMT) |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-05-13 17:37:18 (GMT) |
| commit | 002516edf5176dde2bee54addb7e6e8129a9532b (patch) | |
| tree | ae9a9073c9d468585e931d983d402d36aea3b26a | |
| parent | ff2ba9936591a1364ae21adf18366dca7608395a (diff) | |
| download | linux-002516edf5176dde2bee54addb7e6e8129a9532b.tar.xz | |
IB/core: add a helper to check for READ WITH INVALIDATE support
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
| -rw-r--r-- | include/rdma/ib_verbs.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 24d0d82..9e8616a 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -2318,6 +2318,18 @@ static inline bool rdma_cap_roce_gid_table(const struct ib_device *device, device->add_gid && device->del_gid; } +/* + * Check if the device supports READ W/ INVALIDATE. + */ +static inline bool rdma_cap_read_inv(struct ib_device *dev, u32 port_num) +{ + /* + * iWarp drivers must support READ W/ INVALIDATE. No other protocol + * has support for it yet. + */ + return rdma_protocol_iwarp(dev, port_num); +} + int ib_query_gid(struct ib_device *device, u8 port_num, int index, union ib_gid *gid, struct ib_gid_attr *attr); |