From: Jiri Pirko <jiri@resnulli.us>
To: linux-rdma@vger.kernel.org
Cc: jgg@ziepe.ca, leon@kernel.org, mrgolin@amazon.com,
gal.pressman@linux.dev, sleybo@amazon.com, parav@nvidia.com,
mbloch@nvidia.com, yanjun.zhu@linux.dev,
marco.crivellari@suse.com, roman.gushchin@linux.dev,
phaddad@nvidia.com, lirongqing@baidu.com, ynachum@amazon.com,
huangjunxian6@hisilicon.com, kalesh-anakkur.purayil@broadcom.com,
ohartoov@nvidia.com, michaelgur@nvidia.com, shayd@nvidia.com,
edwards@nvidia.com, sriharsha.basavapatna@broadcom.com,
andrew.gospodarek@broadcom.com, selvin.xavier@broadcom.com
Subject: [PATCH rdma-next v2 14/15] RDMA/uverbs: Add doorbell record buffer slot to QP umem_list
Date: Sat, 11 Apr 2026 16:49:14 +0200 [thread overview]
Message-ID: <20260411144915.114571-15-jiri@resnulli.us> (raw)
In-Reply-To: <20260411144915.114571-1-jiri@resnulli.us>
From: Jiri Pirko <jiri@nvidia.com>
Extend the QP buffer slot enum with UVERBS_BUF_QP_DBR, allowing
userspace to provide doorbell record memory via the generic buffer
descriptor infrastructure.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
---
include/uapi/rdma/ib_user_ioctl_cmds.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/uapi/rdma/ib_user_ioctl_cmds.h b/include/uapi/rdma/ib_user_ioctl_cmds.h
index 26c2e3b2125a..1a47942ca1a6 100644
--- a/include/uapi/rdma/ib_user_ioctl_cmds.h
+++ b/include/uapi/rdma/ib_user_ioctl_cmds.h
@@ -172,6 +172,7 @@ enum uverbs_buf_qp_slots {
UVERBS_BUF_QP_BUF,
UVERBS_BUF_QP_RQ_BUF,
UVERBS_BUF_QP_SQ_BUF,
+ UVERBS_BUF_QP_DBR_BUF,
__UVERBS_BUF_QP_MAX,
UVERBS_BUF_QP_MAX = __UVERBS_BUF_QP_MAX - 1,
};
--
2.53.0
next prev parent reply other threads:[~2026-04-11 14:49 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-11 14:49 [PATCH rdma-next v2 00/15] RDMA: Introduce generic buffer descriptor infrastructure for umem Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 01/15] RDMA/core: " Jiri Pirko
2026-04-12 12:33 ` Michael Margolin
2026-04-11 14:49 ` [PATCH rdma-next v2 02/15] RDMA/uverbs: Push out CQ buffer umem processing into a helper Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 03/15] RDMA/uverbs: Integrate umem_list into CQ creation Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 04/15] RDMA/efa: Use umem_list for user CQ buffer Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 05/15] RDMA/mlx5: " Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 06/15] RDMA/bnxt_re: " Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 07/15] RDMA/mlx4: " Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 08/15] RDMA/uverbs: Remove legacy umem field from struct ib_cq Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 09/15] RDMA/uverbs: Verify all umem_list buffers are consumed after CQ creation Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 10/15] RDMA/uverbs: Integrate umem_list into QP creation Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 11/15] RDMA/mlx5: Use umem_list for QP buffers in create_qp Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 12/15] RDMA/uverbs: Add doorbell record buffer slot to CQ umem_list Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 13/15] RDMA/mlx5: Use umem_list for CQ doorbell record Jiri Pirko
2026-04-11 14:49 ` Jiri Pirko [this message]
2026-04-11 14:49 ` [PATCH rdma-next v2 15/15] RDMA/mlx5: Use umem_list for QP " Jiri Pirko
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