RDMA/irdma: Add a refcount to track user ring MR associations

User QP/CQ/SRQ rings are registered with the normal reg_mr
mechanism prior to creating the actual QP/CQ/SRQ object. In
order to prevent userspace from deregistering these special MRs
while the child object still exists, a refcount will be used.

This commit adds the refcount and logic to reject a dereg_mr
with active references. Subsequent commits will add logic to
bump this refcount when the user QP/CQ/SRQ objects are created.

Signed-off-by: Jacob Moroni <jmoroni@google.com>
Link: https://patch.msgid.link/20260618201458.875740-3-jmoroni@google.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

0 files changed, 0 insertions, 0 deletions