diff options
| author | Yonatan Nachum <ynachum@amazon.com> | 2023-04-04 15:43:13 +0000 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-04-21 19:18:58 -0300 |
| commit | 531094dc7164718d28ebb581d729807d7e846363 (patch) | |
| tree | 857b4bf0ef225e126f3bd3d48df6d14d7b996503 /drivers/infiniband/hw/efa/efa_verbs.c | |
| parent | 746aa3c8cb1a650ff2583497ac646e505831b9b9 (diff) | |
| download | lwn-531094dc7164718d28ebb581d729807d7e846363.tar.gz lwn-531094dc7164718d28ebb581d729807d7e846363.zip | |
RDMA/efa: Add rdma write capability to device caps
Add rdma write capability that is propagated from the device to rdma-core.
Enable MR creation with remote write permissions according to this device
capability.
Link: https://lore.kernel.org/r/20230404154313.35194-1-ynachum@amazon.com
Reviewed-by: Firas Jahjah <firasj@amazon.com>
Reviewed-by: Michael Margolin <mrgolin@amazon.com>
Signed-off-by: Yonatan Nachum <ynachum@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 | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c index c20136e9d3d1..8eca6c14d0cf 100644 --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -253,6 +253,9 @@ int efa_query_device(struct ib_device *ibdev, if (EFA_DEV_CAP(dev, DATA_POLLING_128)) resp.device_caps |= EFA_QUERY_DEVICE_CAPS_DATA_POLLING_128; + if (EFA_DEV_CAP(dev, RDMA_WRITE)) + resp.device_caps |= EFA_QUERY_DEVICE_CAPS_RDMA_WRITE; + if (dev->neqs) resp.device_caps |= EFA_QUERY_DEVICE_CAPS_CQ_NOTIFICATIONS; @@ -1572,7 +1575,8 @@ static struct efa_mr *efa_alloc_mr(struct ib_pd *ibpd, int access_flags, supp_access_flags = IB_ACCESS_LOCAL_WRITE | - (EFA_DEV_CAP(dev, RDMA_READ) ? IB_ACCESS_REMOTE_READ : 0); + (EFA_DEV_CAP(dev, RDMA_READ) ? IB_ACCESS_REMOTE_READ : 0) | + (EFA_DEV_CAP(dev, RDMA_WRITE) ? IB_ACCESS_REMOTE_WRITE : 0); access_flags &= ~IB_ACCESS_OPTIONAL; if (access_flags & ~supp_access_flags) { |