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scsi: mpt3sas: Send a diag reset if target reset fails

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[ Upstream commit 5612d6d51ed2634a033c95de2edec7449409cbb9 ]

When an IOCTL times out and driver issues a target reset, if firmware
fails the task management elevate the recovery by issuing a diag reset to
controller.

Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Link: https://lore.kernel.org/r/1739410016-27503-5-git-send-email-shivasharan.srikanteshwara@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Shivasharan S 2025-02-12 17:26:55 -08:00 committed by Greg Kroah-Hartman
parent 06abee685c
commit f38a1b35c8
1 changed files with 10 additions and 2 deletions
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12
drivers/scsi/mpt3sas/mpt3sas_ctl.c
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@ -679,6 +679,7 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg,
size_t data_in_sz = 0;
long ret;
u16 device_handle = MPT3SAS_INVALID_DEVICE_HANDLE;
int tm_ret;
issue_reset = 0;
@ -1120,18 +1121,25 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg,
if (pcie_device && (!ioc->tm_custom_handling) &&
(!(mpt3sas_scsih_is_pcie_scsi_device(
pcie_device->device_info))))
mpt3sas_scsih_issue_locked_tm(ioc,
tm_ret = mpt3sas_scsih_issue_locked_tm(ioc,
le16_to_cpu(mpi_request->FunctionDependent1),
0, 0, 0,
MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
0, pcie_device->reset_timeout,
MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE);
else
mpt3sas_scsih_issue_locked_tm(ioc,
tm_ret = mpt3sas_scsih_issue_locked_tm(ioc,
le16_to_cpu(mpi_request->FunctionDependent1),
0, 0, 0,
MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
0, 30, MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET);
if (tm_ret != SUCCESS) {
ioc_info(ioc,
"target reset failed, issue hard reset: handle (0x%04x)\n",
le16_to_cpu(mpi_request->FunctionDependent1));
mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
}
} else
mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
}