diff options
| author | Chandrakanth Patil <chandrakanth.patil@broadcom.com> | 2025-08-20 14:11:37 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2025-08-25 21:39:37 -0400 |
| commit | 4af864784d8000b67b4279e68283d9f3bf420c05 (patch) | |
| tree | 6401047c26f20076c1f9a47725cf358b0681b397 | |
| parent | a4ca63001e1a8ac0b3e4a3333c6a49c8425be476 (diff) | |
scsi: mpi3mr: Fix premature TM timeouts on virtual drives
Task Management to virtual drives may timeout prematurely when using a
static default timeout.
Read Abort and Reset timeouts from Device Page 0 and apply the maximum
of the firmware value and the default.
This fixes premature TM failures on virtual drives.
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Link: https://lore.kernel.org/r/20250820084138.228471-6-chandrakanth.patil@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr.h | 4 | ||||
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_os.c | 18 |
2 files changed, 17 insertions, 5 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index 8d4ef49e04d1..6024b5b760c5 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -697,6 +697,8 @@ struct tgt_dev_vd { u16 tg_id; u32 tg_high; u32 tg_low; + u8 abort_to; + u8 reset_to; struct mpi3mr_throttle_group_info *tg; }; @@ -738,6 +740,8 @@ enum mpi3mr_dev_state { * @wwid: World wide ID * @enclosure_logical_id: Enclosure logical identifier * @dev_spec: Device type specific information + * @abort_to: Timeout for abort TM + * @reset_to: Timeout for Target/LUN reset TM * @ref_count: Reference count * @state: device state */ diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index 5516ac62a506..43507dfdbdcc 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -1308,6 +1308,12 @@ static void mpi3mr_update_tgtdev(struct mpi3mr_ioc *mrioc, if (vdinf->vd_state == MPI3_DEVICE0_VD_STATE_OFFLINE) tgtdev->is_hidden = 1; tgtdev->non_stl = 1; + tgtdev->dev_spec.vd_inf.reset_to = + max_t(u8, vdinf->vd_reset_to, + MPI3MR_INTADMCMD_TIMEOUT); + tgtdev->dev_spec.vd_inf.abort_to = + max_t(u8, vdinf->vd_abort_to, + MPI3MR_INTADMCMD_TIMEOUT); tgtdev->dev_spec.vd_inf.tg_id = vdinf_io_throttle_group; tgtdev->dev_spec.vd_inf.tg_high = le16_to_cpu(vdinf->io_throttle_group_high) * 2048; @@ -3917,11 +3923,13 @@ int mpi3mr_issue_tm(struct mpi3mr_ioc *mrioc, u8 tm_type, if (scsi_tgt_priv_data) atomic_inc(&scsi_tgt_priv_data->block_io); - if (tgtdev && (tgtdev->dev_type == MPI3_DEVICE_DEVFORM_PCIE)) { - if (cmd_priv && tgtdev->dev_spec.pcie_inf.abort_to) - timeout = tgtdev->dev_spec.pcie_inf.abort_to; - else if (!cmd_priv && tgtdev->dev_spec.pcie_inf.reset_to) - timeout = tgtdev->dev_spec.pcie_inf.reset_to; + if (tgtdev) { + if (tgtdev->dev_type == MPI3_DEVICE_DEVFORM_PCIE) + timeout = cmd_priv ? tgtdev->dev_spec.pcie_inf.abort_to + : tgtdev->dev_spec.pcie_inf.reset_to; + else if (tgtdev->dev_type == MPI3_DEVICE_DEVFORM_VD) + timeout = cmd_priv ? tgtdev->dev_spec.vd_inf.abort_to + : tgtdev->dev_spec.vd_inf.reset_to; } init_completion(&drv_cmd->done); |