This is a note to let you know that I've just added the patch titled
scsi: megaraid_sas: Do not set MPI2_TYPE_CUDA for JBOD FP path for FW which does not support JBOD sequence map
to the 4.4-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-megaraid_sas-do-not-set-mpi2_type_cuda-for-jbod-fp-path-for-fw-which-does-not-support-jbod-sequence-map.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From d5573584429254a14708cf8375c47092b5edaf2c Mon Sep 17 00:00:00 2001
From: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
Date: Fri, 21 Oct 2016 06:33:35 -0700
Subject: scsi: megaraid_sas: Do not set MPI2_TYPE_CUDA for JBOD FP path for FW which does not support JBOD sequence map
From: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
commit d5573584429254a14708cf8375c47092b5edaf2c upstream.
Signed-off-by: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Reviewed-by: Tomas Henzl <thenzl@xxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/megaraid/megaraid_sas_fusion.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -1856,6 +1856,8 @@ megasas_build_syspd_fusion(struct megasa
io_request->DevHandle = pd_sync->seq[pd_index].devHandle;
pRAID_Context->regLockFlags |=
(MR_RL_FLAGS_SEQ_NUM_ENABLE|MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
+ pRAID_Context->Type = MPI2_TYPE_CUDA;
+ pRAID_Context->nseg = 0x1;
} else if (fusion->fast_path_io) {
pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
pRAID_Context->configSeqNum = 0;
@@ -1891,12 +1893,10 @@ megasas_build_syspd_fusion(struct megasa
pRAID_Context->timeoutValue =
cpu_to_le16((os_timeout_value > timeout_limit) ?
timeout_limit : os_timeout_value);
- if (fusion->adapter_type == INVADER_SERIES) {
- pRAID_Context->Type = MPI2_TYPE_CUDA;
- pRAID_Context->nseg = 0x1;
+ if (fusion->adapter_type == INVADER_SERIES)
io_request->IoFlags |=
cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);
- }
+
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
Patches currently in stable-queue which might be from kashyap.desai@xxxxxxxxxxxx are
queue-4.4/scsi-megaraid_sas-do-not-set-mpi2_type_cuda-for-jbod-fp-path-for-fw-which-does-not-support-jbod-sequence-map.patch
queue-4.4/scsi-megaraid_sas-for-sriov-enabled-firmware-ensure-vf-driver-waits-for-30secs-before-reset.patch
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