Driver updated to include OS type in fault/reset reason code. MPI request sent through IOCTL now automatically dumped on timeout. Reported-by: kernel test robot <lkp@xxxxxxxxx> Closes: https://lore.kernel.org/oe-kbuild-all/202403081903.q3Dq54zZ-lkp@xxxxxxxxx/ Signed-off-by: Ranjan Kumar <ranjan.kumar@xxxxxxxxxxxx> Signed-off-by: Sathya Prakash <sathya.prakash@xxxxxxxxxxxx> --- drivers/scsi/mpi3mr/mpi3mr.h | 10 +++++++--- drivers/scsi/mpi3mr/mpi3mr_app.c | 21 ++++++++++++++------- drivers/scsi/mpi3mr/mpi3mr_fw.c | 21 ++++++++++++++------- 3 files changed, 35 insertions(+), 17 deletions(-) diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index 06359915a48d..dca8390c33ec 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -63,7 +63,7 @@ extern atomic64_t event_counter; #define MPI3MR_DRIVER_AUTHOR "Broadcom Inc. <mpi3mr-linuxdrv.pdl@xxxxxxxxxxxx>" #define MPI3MR_DRIVER_DESC "MPI3 Storage Controller Device Driver" -#define MPI3MR_NAME_LENGTH 32 +#define MPI3MR_NAME_LENGTH 64 #define IOCNAME "%s: " #define MPI3MR_DEFAULT_MAX_IO_SIZE (1 * 1024 * 1024) @@ -294,6 +294,10 @@ enum mpi3mr_reset_reason { MPI3MR_RESET_FROM_SAS_TRANSPORT_TIMEOUT = 30, }; +#define MPI3MR_RESET_REASON_OSTYPE_LINUX 1 +#define MPI3MR_RESET_REASON_OSTYPE_SHIFT 28 +#define MPI3MR_RESET_REASON_IOCNUM_SHIFT 20 + /* Queue type definitions */ enum queue_type { MPI3MR_DEFAULT_QUEUE = 0, @@ -1142,7 +1146,7 @@ struct mpi3mr_ioc { spinlock_t fwevt_lock; struct list_head fwevt_list; - char watchdog_work_q_name[20]; + char watchdog_work_q_name[50]; struct workqueue_struct *watchdog_work_q; struct delayed_work watchdog_work; spinlock_t watchdog_lock; @@ -1336,7 +1340,7 @@ void mpi3mr_start_watchdog(struct mpi3mr_ioc *mrioc); void mpi3mr_stop_watchdog(struct mpi3mr_ioc *mrioc); int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc, - u32 reset_reason, u8 snapdump); + u16 reset_reason, u8 snapdump); void mpi3mr_ioc_disable_intr(struct mpi3mr_ioc *mrioc); void mpi3mr_ioc_enable_intr(struct mpi3mr_ioc *mrioc); diff --git a/drivers/scsi/mpi3mr/mpi3mr_app.c b/drivers/scsi/mpi3mr/mpi3mr_app.c index 0380996b5ad2..38f63bc7ef3b 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_app.c +++ b/drivers/scsi/mpi3mr/mpi3mr_app.c @@ -1598,26 +1598,33 @@ static long mpi3mr_bsg_process_mpt_cmds(struct bsg_job *job) rval = -EAGAIN; if (mrioc->bsg_cmds.state & MPI3MR_CMD_RESET) goto out_unlock; - dprint_bsg_err(mrioc, - "%s: bsg request timedout after %d seconds\n", __func__, - karg->timeout); - if (mrioc->logging_level & MPI3_DEBUG_BSG_ERROR) { - dprint_dump(mpi_req, MPI3MR_ADMIN_REQ_FRAME_SZ, + if (((mpi_header->function != MPI3_FUNCTION_SCSI_IO) && + (mpi_header->function != MPI3_FUNCTION_NVME_ENCAPSULATED)) + || (mrioc->logging_level & MPI3_DEBUG_BSG_ERROR)) { + ioc_info(mrioc, "%s: bsg request timedout after %d seconds\n", + __func__, karg->timeout); + if (!(mrioc->logging_level & MPI3_DEBUG_BSG_INFO)) { + dprint_dump(mpi_req, MPI3MR_ADMIN_REQ_FRAME_SZ, "bsg_mpi3_req"); if (mpi_header->function == - MPI3_BSG_FUNCTION_MGMT_PASSTHROUGH) { + MPI3_FUNCTION_MGMT_PASSTHROUGH) { drv_buf_iter = &drv_bufs[0]; dprint_dump(drv_buf_iter->kern_buf, rmc_size, "mpi3_mgmt_req"); + } } } if ((mpi_header->function == MPI3_BSG_FUNCTION_NVME_ENCAPSULATED) || - (mpi_header->function == MPI3_BSG_FUNCTION_SCSI_IO)) + (mpi_header->function == MPI3_BSG_FUNCTION_SCSI_IO)) { + dprint_bsg_err(mrioc, "%s: bsg request timedout after %d seconds,\n" + "issuing target reset to (0x%04x)\n", __func__, + karg->timeout, mpi_header->function_dependent); mpi3mr_issue_tm(mrioc, MPI3_SCSITASKMGMT_TASKTYPE_TARGET_RESET, mpi_header->function_dependent, 0, MPI3MR_HOSTTAG_BLK_TMS, MPI3MR_RESETTM_TIMEOUT, &mrioc->host_tm_cmds, &resp_code, NULL); + } if (!(mrioc->bsg_cmds.state & MPI3MR_CMD_COMPLETE) && !(mrioc->bsg_cmds.state & MPI3MR_CMD_RESET)) mpi3mr_soft_reset_handler(mrioc, diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 6ce75366dd8a..07accf01be0f 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -11,7 +11,7 @@ #include <linux/io-64-nonatomic-lo-hi.h> static int -mpi3mr_issue_reset(struct mpi3mr_ioc *mrioc, u16 reset_type, u32 reset_reason); +mpi3mr_issue_reset(struct mpi3mr_ioc *mrioc, u16 reset_type, u16 reset_reason); static int mpi3mr_setup_admin_qpair(struct mpi3mr_ioc *mrioc); static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc, struct mpi3_ioc_facts_data *facts_data); @@ -1195,7 +1195,7 @@ static inline void mpi3mr_clear_reset_history(struct mpi3mr_ioc *mrioc) static int mpi3mr_issue_and_process_mur(struct mpi3mr_ioc *mrioc, u32 reset_reason) { - u32 ioc_config, timeout, ioc_status; + u32 ioc_config, timeout, ioc_status, scratch_pad0; int retval = -1; ioc_info(mrioc, "Issuing Message unit Reset(MUR)\n"); @@ -1204,7 +1204,11 @@ static int mpi3mr_issue_and_process_mur(struct mpi3mr_ioc *mrioc, return retval; } mpi3mr_clear_reset_history(mrioc); - writel(reset_reason, &mrioc->sysif_regs->scratchpad[0]); + scratch_pad0 = ((MPI3MR_RESET_REASON_OSTYPE_LINUX << + MPI3MR_RESET_REASON_OSTYPE_SHIFT) | + (mrioc->facts.ioc_num << + MPI3MR_RESET_REASON_IOCNUM_SHIFT) | reset_reason); + writel(scratch_pad0, &mrioc->sysif_regs->scratchpad[0]); ioc_config = readl(&mrioc->sysif_regs->ioc_configuration); ioc_config &= ~MPI3_SYSIF_IOC_CONFIG_ENABLE_IOC; writel(ioc_config, &mrioc->sysif_regs->ioc_configuration); @@ -1520,11 +1524,11 @@ static inline void mpi3mr_set_diagsave(struct mpi3mr_ioc *mrioc) * Return: 0 on success, non-zero on failure. */ static int mpi3mr_issue_reset(struct mpi3mr_ioc *mrioc, u16 reset_type, - u32 reset_reason) + u16 reset_reason) { int retval = -1; u8 unlock_retry_count = 0; - u32 host_diagnostic, ioc_status, ioc_config; + u32 host_diagnostic, ioc_status, ioc_config, scratch_pad0; u32 timeout = MPI3MR_RESET_ACK_TIMEOUT * 10; if ((reset_type != MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET) && @@ -1576,6 +1580,9 @@ static int mpi3mr_issue_reset(struct mpi3mr_ioc *mrioc, u16 reset_type, unlock_retry_count, host_diagnostic); } while (!(host_diagnostic & MPI3_SYSIF_HOST_DIAG_DIAG_WRITE_ENABLE)); + scratch_pad0 = ((MPI3MR_RESET_REASON_OSTYPE_LINUX << + MPI3MR_RESET_REASON_OSTYPE_SHIFT) | (mrioc->facts.ioc_num << + MPI3MR_RESET_REASON_IOCNUM_SHIFT) | reset_reason); writel(reset_reason, &mrioc->sysif_regs->scratchpad[0]); writel(host_diagnostic | reset_type, &mrioc->sysif_regs->host_diagnostic); @@ -2581,7 +2588,7 @@ static void mpi3mr_watchdog_work(struct work_struct *work) unsigned long flags; enum mpi3mr_iocstate ioc_state; u32 fault, host_diagnostic, ioc_status; - u32 reset_reason = MPI3MR_RESET_FROM_FAULT_WATCH; + u16 reset_reason = MPI3MR_RESET_FROM_FAULT_WATCH; if (mrioc->reset_in_progress) return; @@ -4968,7 +4975,7 @@ void mpi3mr_pel_get_seqnum_complete(struct mpi3mr_ioc *mrioc, * Return: 0 on success, non-zero on failure. */ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc, - u32 reset_reason, u8 snapdump) + u16 reset_reason, u8 snapdump) { int retval = 0, i; unsigned long flags; -- 2.31.1
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