From: Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com>
Date: Tue, 31 Oct 2017 18:02:37 +0530
Subject: [PATCH] scsi: mpt3sas: Fix nvme drives checking for tlr.
References: bsc#1067965
Git-commit: cd5897eda27dc155146f25ddf4b0dd9967b3e2bb
Patch-Mainline: v4.15-rc1
Check for NVMe drives before enabling or checking tlr.
Signed-off-by: Chaitra P B <chaitra.basappa@broadcom.com>
Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
---
drivers/scsi/mpt3sas/mpt3sas_scsih.c | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 9c2492a..4fc9eb8 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -2048,6 +2048,14 @@ struct _sas_node *
return (sdev->channel == RAID_CHANNEL) ? 1 : 0;
}
+static int
+scsih_is_nvme(struct device *dev)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+
+ return (sdev->channel == PCIE_CHANNEL) ? 1 : 0;
+}
+
/**
* scsih_get_resync - get raid volume resync percent complete
* @dev the device struct object
@@ -4833,8 +4841,9 @@ static int _scsih_set_satl_pending(struct scsi_cmnd *scmd, bool pending)
/* Make sure Device is not raid volume.
* We do not expose raid functionality to upper layer for warpdrive.
*/
- if (!ioc->is_warpdrive && !scsih_is_raid(&scmd->device->sdev_gendev)
- && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
+ if (((!ioc->is_warpdrive && !scsih_is_raid(&scmd->device->sdev_gendev))
+ && !scsih_is_nvme(&scmd->device->sdev_gendev))
+ && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
@@ -4879,8 +4888,8 @@ static int _scsih_set_satl_pending(struct scsi_cmnd *scmd, bool pending)
raid_device = sas_target_priv_data->raid_device;
if (raid_device && raid_device->direct_io_enabled)
- mpt3sas_setup_direct_io(ioc, scmd, raid_device, mpi_request,
- smid);
+ mpt3sas_setup_direct_io(ioc, scmd,
+ raid_device, mpi_request, smid);
if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) {
if (sas_target_priv_data->flags & MPT_TARGET_FASTPATH_IO) {
@@ -5410,9 +5419,10 @@ static int _scsih_set_satl_pending(struct scsi_cmnd *scmd, bool pending)
le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
if (!sas_device_priv_data->tlr_snoop_check) {
sas_device_priv_data->tlr_snoop_check++;
- if (!ioc->is_warpdrive &&
+ if ((!ioc->is_warpdrive &&
!scsih_is_raid(&scmd->device->sdev_gendev) &&
- sas_is_tlr_enabled(scmd->device) &&
+ !scsih_is_nvme(&scmd->device->sdev_gendev))
+ && sas_is_tlr_enabled(scmd->device) &&
response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
sas_disable_tlr(scmd->device);
sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
--
1.8.5.6