diff options
| author | Devesh Sharma <devesh.sharma@broadcom.com> | 2017-06-29 12:28:16 -0700 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-07-20 11:20:50 -0400 |
| commit | 254cd2590d408f2c0375fbf73ef8250d47529e7b (patch) | |
| tree | 48f0a0954f92d87fd841f71f122dd486537d0c1f /drivers/infiniband/hw/bnxt_re/ib_verbs.c | |
| parent | 536f092805cecc5c2c0ba7f051a7552619bd4491 (diff) | |
RDMA/bnxt_re: Enable atomics only if host bios supports
Driver shall check if the host system bios has enabled
Atomic operations capability in PCI Device Control 2
register of the pci-device. Expose the ATOMIC_HCA
flag only if the Atomic operations capability is set.
Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/ib_verbs.c')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/ib_verbs.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index 4d3cdca03c02..7b17030d2696 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -173,8 +173,10 @@ int bnxt_re_query_device(struct ib_device *ibdev, ib_attr->max_pd = dev_attr->max_pd; ib_attr->max_qp_rd_atom = dev_attr->max_qp_rd_atom; ib_attr->max_qp_init_rd_atom = dev_attr->max_qp_init_rd_atom; - ib_attr->atomic_cap = IB_ATOMIC_HCA; - ib_attr->masked_atomic_cap = IB_ATOMIC_HCA; + if (dev_attr->is_atomic) { + ib_attr->atomic_cap = IB_ATOMIC_HCA; + ib_attr->masked_atomic_cap = IB_ATOMIC_HCA; + } ib_attr->max_ee_rd_atom = 0; ib_attr->max_res_rd_atom = 0; |