RDMA/hns: Add new command to support query vf caps

maillist inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I6K9B6

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/commit/?id=faa63656fc36



---------------------------------------------------------------

The current resource query for vf caps is driven by the driver,
which is unreasonable.

This patch adds a new command HNS_ROCE_OPC_QUERY_VF_CAPS_NUM
to support obtaining vf caps information from firmware.

Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Haoyue Xu <xuhaoyue1@hisilicon.com>
Link: https://lore.kernel.org/r/20230304091555.2241298-2-xuhaoyue1@hisilicon.com


Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Juan Zhou <zhoujuan51@h-partners.com>