RDMA/erdma: Correct the max_qp and max_cq capacities of the device
authorCheng Xu <chengyou@linux.alibaba.com>
Wed, 10 Aug 2022 01:43:19 +0000 (09:43 +0800)
committerLeon Romanovsky <leonro@nvidia.com>
Tue, 16 Aug 2022 13:29:12 +0000 (16:29 +0300)
commit6cd8351c4ede5b3335c7eb13d009c3456e90b6df
treee791477ff5fa6eb7428ccab32ff57d423038e17b
parent1374901b850c8f2ff1ee0e62ffafbc4030572fc6
RDMA/erdma: Correct the max_qp and max_cq capacities of the device

QP0 in HW is used for CMDQ, and the rest is for RDMA QPs. So the actual
max_qp capacity reported to core should be max_qp (reported by HW) - 1.
So does max_cq.

Fixes: 155055771704 ("RDMA/erdma: Add verbs implementation")
Link: https://lore.kernel.org/all/20220810014320.88026-1-chengyou@linux.alibaba.com
Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
drivers/infiniband/hw/erdma/erdma_verbs.c