RDMA/bnxt_re: Fix the page details for the srq created by kernel consumers

While using nvme target with use_srq on, below kernel panic is noticed.

[  549.698111] bnxt_en 0000:41:00.0 enp65s0np0: FEC autoneg off encoding: Clause 91 RS(544,514)
[  566.393619] Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI
..
[  566.393799]  <TASK>
[  566.393807]  ? __die_body+0x1a/0x60
[  566.393823]  ? die+0x38/0x60
[  566.393835]  ? do_trap+0xe4/0x110
[  566.393847]  ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[  566.393867]  ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[  566.393881]  ? do_error_trap+0x7c/0x120
[  566.393890]  ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[  566.393911]  ? exc_divide_error+0x34/0x50
[  566.393923]  ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[  566.393939]  ? asm_exc_divide_error+0x16/0x20
[  566.393966]  ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[  566.393997]  bnxt_qplib_create_srq+0xc9/0x340 [bnxt_re]
[  566.394040]  bnxt_re_create_srq+0x335/0x3b0 [bnxt_re]
[  566.394057]  ? srso_return_thunk+0x5/0x5f
[  566.394068]  ? __init_swait_queue_head+0x4a/0x60
[  566.394090]  ib_create_srq_user+0xa7/0x150 [ib_core]
[  566.394147]  nvmet_rdma_queue_connect+0x7d0/0xbe0 [nvmet_rdma]
[  566.394174]  ? lock_release+0x22c/0x3f0
[  566.394187]  ? srso_return_thunk+0x5/0x5f

Page size and shift info is set only for the user space SRQs.
Set page size and page shift for kernel space SRQs also.

Fixes: 0c4dcd602817 ("RDMA/bnxt_re: Refactor hardware queue memory allocation")
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://patch.msgid.link/1740237621-29291-1-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index 2de101d6e8255293662ce120998a94e30533b812..6f5db32082dd78a525aa3a7e792f7152d0282994 100644 (file)
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -1870,6 +1870,8 @@ int bnxt_re_create_srq(struct ib_srq *ib_srq,
        srq->qplib_srq.threshold = srq_init_attr->attr.srq_limit;
        srq->srq_limit = srq_init_attr->attr.srq_limit;
        srq->qplib_srq.eventq_hw_ring_id = rdev->nqr->nq[0].ring_id;
+       srq->qplib_srq.sg_info.pgsize = PAGE_SIZE;
+       srq->qplib_srq.sg_info.pgshft = PAGE_SHIFT;
        nq = &rdev->nqr->nq[0];
 
        if (udata) {