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| 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/qplib_sp.h | |
| parent | RDMA/bnxt_re: Specify RDMA component when allocating stats context (diff) | |
| download | linux-dev-254cd2590d408f2c0375fbf73ef8250d47529e7b.tar.xz linux-dev-254cd2590d408f2c0375fbf73ef8250d47529e7b.zip | |
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 '')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_sp.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.h b/drivers/infiniband/hw/bnxt_re/qplib_sp.h index a543f959098b..2ce7e2a32cf0 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.h @@ -42,6 +42,8 @@ #define BNXT_QPLIB_RESERVED_QP_WRS 128 +#define PCI_EXP_DEVCTL2_ATOMIC_REQ 0x0040 + struct bnxt_qplib_dev_attr { char fw_ver[32]; u16 max_sgid; @@ -70,6 +72,7 @@ struct bnxt_qplib_dev_attr { u32 max_inline_data; u32 l2_db_size; u8 tqm_alloc_reqs[MAX_TQM_ALLOC_REQ]; + bool is_atomic; }; struct bnxt_qplib_pd { |