This is a note to let you know that I've just added the patch titled
scsi: mpi3mr: Block PEL Enable Command on Controller Reset and Unrecoverable State
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
scsi-mpi3mr-block-pel-enable-command-on-controller-reset-and-unrecoverable-state.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From f8fb3f39148e8010479e4b2003ba4728818ec661 Mon Sep 17 00:00:00 2001
From: Chandrakanth patil <chandrakanth.patil@xxxxxxxxxxxx>
Date: Sun, 26 Nov 2023 11:01:33 +0530
Subject: scsi: mpi3mr: Block PEL Enable Command on Controller Reset and Unrecoverable State
From: Chandrakanth patil <chandrakanth.patil@xxxxxxxxxxxx>
commit f8fb3f39148e8010479e4b2003ba4728818ec661 upstream.
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: <stable@xxxxxxxxxxxxxxx> # v6.1+
Co-developed-by: Sathya Prakash <sathya.prakash@xxxxxxxxxxxx>
Signed-off-by: Sathya Prakash <sathya.prakash@xxxxxxxxxxxx>
Signed-off-by: Chandrakanth patil <chandrakanth.patil@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20231126053134.10133-4-chandrakanth.patil@xxxxxxxxxxxx
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/mpi3mr/mpi3mr_app.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/scsi/mpi3mr/mpi3mr_app.c b/drivers/scsi/mpi3mr/mpi3mr_app.c
index 08645a99ad6b..9dacbb8570c9 100644
--- 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));
--
2.43.0
Patches currently in stable-queue which might be from chandrakanth.patil@xxxxxxxxxxxx are
queue-6.1/scsi-mpi3mr-block-pel-enable-command-on-controller-reset-and-unrecoverable-state.patch
queue-6.1/scsi-mpi3mr-refresh-sdev-queue-depth-after-controller-reset.patch
