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RDMA/irdma: Return error on MR deregister CQP failure

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The MR deregister CQP can fail if an MW is bound to it.
Return an appropriate error for this case.

Fixes: b48c24c2d7 ("RDMA/irdma: Implement device supported verb APIs")
Signed-off-by: Sindhu-Devale <sindhu.devale@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20220906223244.1119-3-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Sindhu-Devale 2022-09-06 17:32:41 -05:00 committed by Leon Romanovsky
parent 12faad5e5c
commit 6b227bd32d
2 changed files with 13 additions and 6 deletions
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13
drivers/infiniband/hw/irdma/utils.c
View File

@ -590,11 +590,14 @@ static int irdma_wait_event(struct irdma_pci_f *rf,
cqp_error = cqp_request->compl_info.error;
if (cqp_error) {
err_code = -EIO;
if (cqp_request->compl_info.maj_err_code == 0xFFFF &&
cqp_request->compl_info.min_err_code == 0x8029) {
if (!rf->reset) {
rf->reset = true;
rf->gen_ops.request_reset(rf);
if (cqp_request->compl_info.maj_err_code == 0xFFFF) {
if (cqp_request->compl_info.min_err_code == 0x8002)
err_code = -EBUSY;
else if (cqp_request->compl_info.min_err_code == 0x8029) {
if (!rf->reset) {
rf->reset = true;
rf->gen_ops.request_reset(rf);
}
}
}
}

6
drivers/infiniband/hw/irdma/verbs.c
View File

@ -3009,6 +3009,7 @@ static int irdma_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata)
struct irdma_pble_alloc *palloc = &iwpbl->pble_alloc;
struct irdma_cqp_request *cqp_request;
struct cqp_cmds_info *cqp_info;
int status;
if (iwmr->type != IRDMA_MEMREG_TYPE_MEM) {
if (iwmr->region) {
@ -3039,8 +3040,11 @@ static int irdma_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata)
cqp_info->post_sq = 1;
cqp_info->in.u.dealloc_stag.dev = &iwdev->rf->sc_dev;
cqp_info->in.u.dealloc_stag.scratch = (uintptr_t)cqp_request;
irdma_handle_cqp_op(iwdev->rf, cqp_request);
status = irdma_handle_cqp_op(iwdev->rf, cqp_request);
irdma_put_cqp_request(&iwdev->rf->cqp, cqp_request);
if (status)
return status;
irdma_free_stag(iwdev, iwmr->stag);
done:
if (iwpbl->pbl_allocated)