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(parent: 057bb70) | patch
RDMA/uverbs: Add CQ buffer UMEM attribute and driver helpers
authorJiri Pirko <jiri@nvidia.com>
Fri, 29 May 2026 13:43:02 +0000 (15:43 +0200)
committerJason Gunthorpe <jgg@nvidia.com>
Fri, 29 May 2026 23:19:58 +0000 (20:19 -0300)
commitf6d2e53ca53ad2e847e5eb64c56c426ee2fd8bdd
treed88db9dd5ff130ccc9c4850c423b79a2df97c2ebtree | snapshot
parent057bb70f531c3e33c18c067716f39f8413b252aacommit | diff
RDMA/uverbs: Add CQ buffer UMEM attribute and driver helpers

Add UVERBS_ATTR_CREATE_CQ_BUF_UMEM and two driver-facing
wrappers, ib_umem_get_cq_buf() and ib_umem_get_cq_buf_or_va(),
that pin a CQ buffer umem from it. The wrappers reuse the
existing legacy CQ buffer-attr filler.

Link: https://patch.msgid.link/r/20260529134312.2836341-7-jiri@resnulli.us
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
drivers/infiniband/core/umem.c diff | blob | blame | history
drivers/infiniband/core/uverbs_std_types_cq.c diff | blob | blame | history
include/rdma/ib_umem.h diff | blob | blame | history
include/uapi/rdma/ib_user_ioctl_cmds.h diff | blob | blame | history
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