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RDMA/uverbs: Add ioctl command to get a device context

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Allow future extensions of the get context command through the uverbs
ioctl kabi.

Unlike the uverbs version this does not return an async_fd as well, that
has to be done with another command.

Link: https://lore.kernel.org/r/1578506740-22188-5-git-send-email-yishaih@mellanox.com
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Jason Gunthorpe
2020-01-08 20:05:34 +02:00
parent da57db2567
commit a1123418ba
6 changed files with 126 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/uapi/rdma/ib_user_ioctl_cmds.h
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@@ -68,6 +68,7 @@ enum uverbs_methods_device {
UVERBS_METHOD_INVOKE_WRITE,
UVERBS_METHOD_INFO_HANDLES,
UVERBS_METHOD_QUERY_PORT,
UVERBS_METHOD_GET_CONTEXT,
};
enum uverbs_attrs_invoke_write_cmd_attr_ids {
@@ -81,6 +82,10 @@ enum uverbs_attrs_query_port_cmd_attr_ids {
UVERBS_ATTR_QUERY_PORT_RESP,
};
enum uverbs_attrs_get_context_attr_ids {
UVERBS_ATTR_GET_CONTEXT_NUM_COMP_VECTORS,
};
enum uverbs_attrs_create_cq_cmd_attr_ids {
UVERBS_ATTR_CREATE_CQ_HANDLE,
UVERBS_ATTR_CREATE_CQ_CQE,