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| author |   Daniel Kranzdorf <dkkranzd@amazon.com> | 2019-11-21 16:15:08 +0200 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2019-11-25 10:31:47 -0400 |
| commit | e6c4f3ff434c8b336662a2053d48ce677c9fd608 (patch) | |
| tree | 5ff80589a64940714072b35e04d8c5596f92e2d7 /drivers/infiniband/hw/efa/efa_verbs.c | |
| parent | RDMA/efa: Store network attributes in device attributes (diff) | |
| download | linux-dev-e6c4f3ff434c8b336662a2053d48ce677c9fd608.tar.xz linux-dev-e6c4f3ff434c8b336662a2053d48ce677c9fd608.zip | |
RDMA/efa: Support remote read access in MR registration
Enable remote read access for memory regions in order to support RDMA
operations.
Link: https://lore.kernel.org/r/20191121141509.59297-3-galpress@amazon.com
Signed-off-by: Daniel Kranzdorf <dkkranzd@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/efa/efa_verbs.c')
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_verbs.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c index e1f1c1495da1..9701f8e52c71 100644 --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -70,7 +70,8 @@ static const char *const efa_stats_names[] = { #define EFA_CHUNK_USED_SIZE \ ((EFA_PTRS_PER_CHUNK * EFA_CHUNK_PAYLOAD_PTR_SIZE) + EFA_CHUNK_PTR_SIZE) -#define EFA_SUPPORTED_ACCESS_FLAGS IB_ACCESS_LOCAL_WRITE +#define EFA_SUPPORTED_ACCESS_FLAGS \ + (IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_READ) struct pbl_chunk { dma_addr_t dma_addr; @@ -1382,7 +1383,7 @@ struct ib_mr *efa_reg_mr(struct ib_pd *ibpd, u64 start, u64 length, params.pd = to_epd(ibpd)->pdn; params.iova = virt_addr; params.mr_length_in_bytes = length; - params.permissions = access_flags & 0x1; + params.permissions = access_flags; pg_sz = ib_umem_find_best_pgsz(mr->umem, dev->dev_attr.page_size_cap, |