diff options
| author | Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com> | 2017-10-31 18:02:37 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-11-03 12:20:52 -0400 |
| commit | cd5897eda27dc155146f25ddf4b0dd9967b3e2bb (patch) | |
| tree | a8a79a93454e58f9b2e9e581bf1b0155f3c2bead | |
| parent | 45aa6a1a2cca3847caed029e2b788fb4ae41c93c (diff) | |
scsi: mpt3sas: Fix nvme drives checking for tlr.
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>
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_scsih.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 9c2492a2a628..4fc9eb8cceda 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -2048,6 +2048,14 @@ scsih_is_raid(struct device *dev) 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 @@ scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) /* 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 @@ scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) 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 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) 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"); |