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RDMA: Report available cdevs through RDMA_NLDEV_CMD_GET_CHARDEV

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Update the struct ib_client for all modules exporting cdevs related to the
ibdevice to also implement RDMA_NLDEV_CMD_GET_CHARDEV. All cdevs are now
autoloadable and discoverable by userspace over netlink instead of relying
on sysfs.

uverbs also exposes the DRIVER_ID for drivers that are able to support
driver id binding in rdma-core.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Jason Gunthorpe 2019-06-13 21:38:19 -03:00 • committed by Doug Ledford
commit 8f71bb0030
10 changed files with 110 additions and 5 deletions
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1
include/uapi/rdma/rdma_netlink.h
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@ -504,6 +504,7 @@ enum rdma_nldev_attr {
RDMA_NLDEV_ATTR_CHARDEV_NAME, /* string */
RDMA_NLDEV_ATTR_CHARDEV_ABI, /* u64 */
RDMA_NLDEV_ATTR_CHARDEV, /* u64 */
RDMA_NLDEV_ATTR_UVERBS_DRIVER_ID, /* u64 */
/*
* Always the end