From: Devesh Sharma <devesh.sharma@broadcom.com>
To: linux-rdma@vger.kernel.org, jgg@mellanox.com, dledford@redhat.com
Cc: devesh.sharma@broadcom.com, leon@kernel.org
Subject: [PATCH for-next 2/2] RDMA/bnxt_re: update ABI to pass wqe-mode to user space
Date: Tue, 26 May 2020 01:20:02 -0400 [thread overview]
Message-ID: <1590470402-32590-3-git-send-email-devesh.sharma@broadcom.com> (raw)
In-Reply-To: <1590470402-32590-1-git-send-email-devesh.sharma@broadcom.com>
Changing ucontext ABI response structure to pass wqe_mode
to user library.
A flag in comp_mask has been set to indicate presence of
wqe_mode.
Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com>
---
drivers/infiniband/hw/bnxt_re/ib_verbs.c | 3 +++
include/uapi/rdma/bnxt_re-abi.h | 5 ++++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index e1dbdf0..153708d 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -3935,6 +3935,9 @@ int bnxt_re_alloc_ucontext(struct ib_ucontext *ctx, struct ib_udata *udata)
resp.max_cqd = dev_attr->max_cq_wqes;
resp.rsvd = 0;
+ resp.comp_mask |= BNXT_RE_UCNTX_CMASK_HAVE_MODE;
+ resp.mode = rdev->chip_ctx->modes.wqe_mode;
+
rc = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp)));
if (rc) {
ibdev_err(ibdev, "Failed to copy user context");
diff --git a/include/uapi/rdma/bnxt_re-abi.h b/include/uapi/rdma/bnxt_re-abi.h
index dc52e3c..52205ed 100644
--- a/include/uapi/rdma/bnxt_re-abi.h
+++ b/include/uapi/rdma/bnxt_re-abi.h
@@ -49,7 +49,8 @@
#define BNXT_RE_CHIP_ID0_CHIP_MET_SFT 0x18
enum {
- BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL
+ BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL,
+ BNXT_RE_UCNTX_CMASK_HAVE_MODE = 0x02ULL
};
struct bnxt_re_uctx_resp {
@@ -62,6 +63,8 @@ struct bnxt_re_uctx_resp {
__aligned_u64 comp_mask;
__u32 chip_id0;
__u32 chip_id1;
+ __u32 mode;
+ __u32 rsvd1; /* padding */
};
/*
--
1.8.3.1
next prev parent reply other threads:[~2020-05-26 5:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-26 5:20 [PATCH for-next 0/2]: Broadcom's driver update Devesh Sharma
2020-05-26 5:20 ` [PATCH for-next 1/2] RDMA/bnxt_re: change sq and rq to be indexed with 16B stride Devesh Sharma
2020-05-26 5:20 ` Devesh Sharma [this message]
2020-05-26 6:03 ` [PATCH for-next 0/2]: Broadcom's driver update Leon Romanovsky
2020-05-26 19:31 ` Jason Gunthorpe
2020-05-27 5:36 ` Devesh Sharma
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