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RDMA/uverbs: Add support for UCAPs in context creation

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Add support for file descriptor array attribute for GET_CONTEXT
commands.

Check that the file descriptor (fd) array represents fds for valid UCAPs.
Store the enabled UCAPs from the fd array as a bitmask in ib_ucontext.

Signed-off-by: Chiara Meiohas <cmeiohas@nvidia.com>
Link: https://patch.msgid.link/ebfb30bc947e2259b193c96a319c80e82599045b.1741261611.git.leon@kernel.org
Reviewed-by: Yishai Hadas <yishaih@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Chiara Meiohas
2025-03-09 13:13:02 -04:00
committed by Leon Romanovsky
parent cf7174e898
commit fe9d7822ba
4 changed files with 25 additions and 0 deletions
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include/uapi/rdma/ib_user_ioctl_cmds.h
+1
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@@ -88,6 +88,7 @@ enum uverbs_attrs_query_port_cmd_attr_ids {
enum uverbs_attrs_get_context_attr_ids {
UVERBS_ATTR_GET_CONTEXT_NUM_COMP_VECTORS,
UVERBS_ATTR_GET_CONTEXT_CORE_SUPPORT,
UVERBS_ATTR_GET_CONTEXT_FD_ARR,
};
enum uverbs_attrs_query_context_attr_ids {