[PATCH for-next 2/2] RDMA/bnxt_re: Expose the MSN table capability for user library

Selvin Xavier
2024-05-04T04:26:39Z

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Expose the MSN table capability to the user space. Rename
the current macro as the driver/library is allocating the
table based on the MSN capability reported by FW.

Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
---
drivers/infiniband/hw/bnxt_re/ib_verbs.c | 3 +++
include/uapi/rdma/bnxt_re-abi.h | 2 +-
2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index ce9c5ba..d261b09 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -4201,6 +4201,9 @@ int bnxt_re_alloc_ucontext(struct ib_ucontext *ctx, struct ib_udata *udata)
if (rdev->pacing.dbr_pacing)
resp.comp_mask |= BNXT_RE_UCNTX_CMASK_DBR_PACING_ENABLED;

+ if (_is_host_msn_table(rdev->qplib_res.dattr->dev_cap_flags2))
+ resp.comp_mask |= BNXT_RE_UCNTX_CMASK_MSN_TABLE_ENABLED;
+
if (udata->inlen >= sizeof(ureq)) {
rc = ib_copy_from_udata(&ureq, udata, min(udata->inlen, sizeof(ureq)));
if (rc)
diff --git a/include/uapi/rdma/bnxt_re-abi.h b/include/uapi/rdma/bnxt_re-abi.h
index c0c34ac..e61104f 100644
--- a/include/uapi/rdma/bnxt_re-abi.h
+++ b/include/uapi/rdma/bnxt_re-abi.h
@@ -55,7 +55,7 @@ enum {
BNXT_RE_UCNTX_CMASK_WC_DPI_ENABLED = 0x04ULL,
BNXT_RE_UCNTX_CMASK_DBR_PACING_ENABLED = 0x08ULL,
BNXT_RE_UCNTX_CMASK_POW2_DISABLED = 0x10ULL,
- BNXT_RE_COMP_MASK_UCNTX_HW_RETX_ENABLED = 0x40,
+ BNXT_RE_UCNTX_CMASK_MSN_TABLE_ENABLED = 0x40,
};

enum bnxt_re_wqe_mode {
--
2.5.5