scsi: mpi3mr: Block PEL Enable Command on Controller Reset and Unreco…

…verable State If a controller reset is underway or the controller is in an unrecoverable state, the PEL enable management command will be returned as EAGAIN or EFAULT. Cc: <[email protected]> # v6.1+ Co-developed-by: Sathya Prakash <[email protected]> Signed-off-by: Sathya Prakash <[email protected]> Signed-off-by: Chandrakanth patil <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Martin K. Petersen <[email protected]>
pop-os · Dec 6, 2023 · f8fb3f3 · f8fb3f3
1 parent c01d515
commit f8fb3f3
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/drivers/scsi/mpi3mr/mpi3mr_app.c b/drivers/scsi/mpi3mr/mpi3mr_app.c
@@ -223,6 +223,22 @@ static long mpi3mr_bsg_pel_enable(struct mpi3mr_ioc *mrioc,
 		return rval;
 	}
 
+	if (mrioc->unrecoverable) {
+		dprint_bsg_err(mrioc, "%s: unrecoverable controller\n",
+			       __func__);
+		return -EFAULT;
+	}
+
+	if (mrioc->reset_in_progress) {
+		dprint_bsg_err(mrioc, "%s: reset in progress\n", __func__);
+		return -EAGAIN;
+	}
+
+	if (mrioc->stop_bsgs) {
+		dprint_bsg_err(mrioc, "%s: bsgs are blocked\n", __func__);
+		return -EAGAIN;
+	}
+
 	sg_copy_to_buffer(job->request_payload.sg_list,
 			  job->request_payload.sg_cnt,
 			  &pel_enable, sizeof(pel_enable));