diff options
| -rw-r--r-- | drivers/message/fusion/mptbase.c | 63 | ||||
| -rw-r--r-- | drivers/message/fusion/mptbase.h | 66 | ||||
| -rw-r--r-- | drivers/message/fusion/mptsas.c | 2 | ||||
| -rw-r--r-- | drivers/message/fusion/mptscsih.c | 3 | ||||
| -rw-r--r-- | drivers/message/fusion/mptscsih.h | 1 |
5 files changed, 105 insertions, 30 deletions
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 7956a10f948..517621fa8bc 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -63,6 +63,8 @@ #ifdef CONFIG_MTRR #include <asm/mtrr.h> #endif +#include <linux/kthread.h> +#include <scsi/scsi_host.h> #include "mptbase.h" #include "lsi/mpi_log_fc.h" @@ -323,6 +325,32 @@ mpt_is_discovery_complete(MPT_ADAPTER *ioc) return rc; } + +/** + * mpt_remove_dead_ioc_func - kthread context to remove dead ioc + * @arg: input argument, used to derive ioc + * + * Return 0 if controller is removed from pci subsystem. + * Return -1 for other case. + */ +static int mpt_remove_dead_ioc_func(void *arg) +{ + MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; + struct pci_dev *pdev; + + if ((ioc == NULL)) + return -1; + + pdev = ioc->pcidev; + if ((pdev == NULL)) + return -1; + + pci_remove_bus_device(pdev); + return 0; +} + + + /** * mpt_fault_reset_work - work performed on workq after ioc fault * @work: input argument, used to derive ioc @@ -336,12 +364,45 @@ mpt_fault_reset_work(struct work_struct *work) u32 ioc_raw_state; int rc; unsigned long flags; + MPT_SCSI_HOST *hd; + struct task_struct *p; if (ioc->ioc_reset_in_progress || !ioc->active) goto out; + ioc_raw_state = mpt_GetIocState(ioc, 0); - if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) { + if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_MASK) { + printk(MYIOC_s_INFO_FMT "%s: IOC is non-operational !!!!\n", + ioc->name, __func__); + + /* + * Call mptscsih_flush_pending_cmds callback so that we + * flush all pending commands back to OS. + * This call is required to aovid deadlock at block layer. + * Dead IOC will fail to do diag reset,and this call is safe + * since dead ioc will never return any command back from HW. + */ + hd = shost_priv(ioc->sh); + ioc->schedule_dead_ioc_flush_running_cmds(hd); + + /*Remove the Dead Host */ + p = kthread_run(mpt_remove_dead_ioc_func, ioc, + "mpt_dead_ioc_%d", ioc->id); + if (IS_ERR(p)) { + printk(MYIOC_s_ERR_FMT + "%s: Running mpt_dead_ioc thread failed !\n", + ioc->name, __func__); + } else { + printk(MYIOC_s_WARN_FMT + "%s: Running mpt_dead_ioc thread success !\n", + ioc->name, __func__); + } + return; /* don't rearm timer */ + } + + if ((ioc_raw_state & MPI_IOC_STATE_MASK) + == MPI_IOC_STATE_FAULT) { printk(MYIOC_s_WARN_FMT "IOC is in FAULT state (%04xh)!!!\n", ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK); printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n", diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h index fe902338539..69ddabd5195 100644 --- a/drivers/message/fusion/mptbase.h +++ b/drivers/message/fusion/mptbase.h @@ -554,10 +554,47 @@ struct mptfc_rport_info u8 flags; }; +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ + +/* + * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers + * Private to the driver. + */ + +#define MPT_HOST_BUS_UNKNOWN (0xFF) +#define MPT_HOST_TOO_MANY_TM (0x05) +#define MPT_HOST_NVRAM_INVALID (0xFFFFFFFF) +#define MPT_HOST_NO_CHAIN (0xFFFFFFFF) +#define MPT_NVRAM_MASK_TIMEOUT (0x000000FF) +#define MPT_NVRAM_SYNC_MASK (0x0000FF00) +#define MPT_NVRAM_SYNC_SHIFT (8) +#define MPT_NVRAM_DISCONNECT_ENABLE (0x00010000) +#define MPT_NVRAM_ID_SCAN_ENABLE (0x00020000) +#define MPT_NVRAM_LUN_SCAN_ENABLE (0x00040000) +#define MPT_NVRAM_TAG_QUEUE_ENABLE (0x00080000) +#define MPT_NVRAM_WIDE_DISABLE (0x00100000) +#define MPT_NVRAM_BOOT_CHOICE (0x00200000) + +typedef enum { + FC, + SPI, + SAS +} BUS_TYPE; + +typedef struct _MPT_SCSI_HOST { + struct _MPT_ADAPTER *ioc; + ushort sel_timeout[MPT_MAX_FC_DEVICES]; + char *info_kbuf; + long last_queue_full; + u16 spi_pending; + struct list_head target_reset_list; +} MPT_SCSI_HOST; + typedef void (*MPT_ADD_SGE)(void *pAddr, u32 flagslength, dma_addr_t dma_addr); typedef void (*MPT_ADD_CHAIN)(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr); typedef void (*MPT_SCHEDULE_TARGET_RESET)(void *ioc); +typedef void (*MPT_FLUSH_RUNNING_CMDS)(MPT_SCSI_HOST *hd); /* * Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS @@ -717,6 +754,7 @@ typedef struct _MPT_ADAPTER u8 taskmgmt_quiesce_io; u8 ioc_reset_in_progress; MPT_SCHEDULE_TARGET_RESET schedule_target_reset; + MPT_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds; struct work_struct sas_persist_task; struct work_struct fc_setup_reset_work; @@ -830,19 +868,6 @@ typedef struct _MPT_LOCAL_REPLY { u32 pad; } MPT_LOCAL_REPLY; -#define MPT_HOST_BUS_UNKNOWN (0xFF) -#define MPT_HOST_TOO_MANY_TM (0x05) -#define MPT_HOST_NVRAM_INVALID (0xFFFFFFFF) -#define MPT_HOST_NO_CHAIN (0xFFFFFFFF) -#define MPT_NVRAM_MASK_TIMEOUT (0x000000FF) -#define MPT_NVRAM_SYNC_MASK (0x0000FF00) -#define MPT_NVRAM_SYNC_SHIFT (8) -#define MPT_NVRAM_DISCONNECT_ENABLE (0x00010000) -#define MPT_NVRAM_ID_SCAN_ENABLE (0x00020000) -#define MPT_NVRAM_LUN_SCAN_ENABLE (0x00040000) -#define MPT_NVRAM_TAG_QUEUE_ENABLE (0x00080000) -#define MPT_NVRAM_WIDE_DISABLE (0x00100000) -#define MPT_NVRAM_BOOT_CHOICE (0x00200000) /* The TM_STATE variable is used to provide strict single threading of TM * requests as well as communicate TM error conditions. @@ -851,21 +876,6 @@ typedef struct _MPT_LOCAL_REPLY { #define TM_STATE_IN_PROGRESS (1) #define TM_STATE_ERROR (2) -typedef enum { - FC, - SPI, - SAS -} BUS_TYPE; - -typedef struct _MPT_SCSI_HOST { - MPT_ADAPTER *ioc; - ushort sel_timeout[MPT_MAX_FC_DEVICES]; - char *info_kbuf; - long last_queue_full; - u16 spi_pending; - struct list_head target_reset_list; -} MPT_SCSI_HOST; - /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* * More Dynamic Multi-Pathing stuff... diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index 73229ff9caf..d21924ba4b1 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -5147,6 +5147,8 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id) ioc->TaskCtx = mptsasTaskCtx; ioc->InternalCtx = mptsasInternalCtx; ioc->schedule_target_reset = &mptsas_schedule_target_reset; + ioc->schedule_dead_ioc_flush_running_cmds = + &mptscsih_flush_running_cmds; /* Added sanity check on readiness of the MPT adapter. */ if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index ce61a576976..de8cf92d861 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -1024,7 +1024,7 @@ out: * * Must be called while new I/Os are being queued. */ -static void +void mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd) { MPT_ADAPTER *ioc = hd->ioc; @@ -1055,6 +1055,7 @@ mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd) sc->scsi_done(sc); } } +EXPORT_SYMBOL(mptscsih_flush_running_cmds); /* * mptscsih_search_running_cmds - Delete any commands associated diff --git a/drivers/message/fusion/mptscsih.h b/drivers/message/fusion/mptscsih.h index 45a5ff3eff6..43e75ff3992 100644 --- a/drivers/message/fusion/mptscsih.h +++ b/drivers/message/fusion/mptscsih.h @@ -135,3 +135,4 @@ extern int mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id); extern struct device_attribute *mptscsih_host_attrs[]; extern struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i); extern void mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code); +extern void mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd); |