diff options
Diffstat (limited to 'drivers/scsi/megaraid')
-rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.h | 353 | ||||
-rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 1076 | ||||
-rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fp.c | 2 | ||||
-rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.c | 1287 | ||||
-rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.h | 136 |
5 files changed, 2089 insertions, 765 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index c0f7c8ce5..fce414a2c 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -35,8 +35,8 @@ /* * MegaRAID SAS Driver meta data */ -#define MEGASAS_VERSION "06.808.16.00-rc1" -#define MEGASAS_RELDATE "Oct. 8, 2015" +#define MEGASAS_VERSION "06.810.09.00-rc1" +#define MEGASAS_RELDATE "Jan. 28, 2016" /* * Device IDs @@ -152,6 +152,7 @@ #define MFI_RESET_FLAGS MFI_INIT_READY| \ MFI_INIT_MFIMODE| \ MFI_INIT_ABORT +#define MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE (0x01) /* * MFI frame flags @@ -170,6 +171,7 @@ /* Driver internal */ #define DRV_DCMD_POLLED_MODE 0x1 +#define DRV_DCMD_SKIP_REFIRE 0x2 /* * Definition for cmd_status @@ -214,6 +216,7 @@ #define MR_DCMD_CTRL_SET_CRASH_DUMP_PARAMS 0x01190100 #define MR_DRIVER_SET_APP_CRASHDUMP_MODE (0xF0010000 | 0x0600) +#define MR_DCMD_PD_GET_INFO 0x02020000 /* * Global functions @@ -390,6 +393,7 @@ enum MR_EVT_ARGS { #define SGE_BUFFER_SIZE 4096 +#define MEGASAS_CLUSTER_ID_SIZE 16 /* * define constants for device list query options */ @@ -434,6 +438,257 @@ enum MR_PD_STATE { MR_PD_STATE_SYSTEM = 0x40, }; +union MR_PD_REF { + struct { + u16 deviceId; + u16 seqNum; + } mrPdRef; + u32 ref; +}; + +/* + * define the DDF Type bit structure + */ +union MR_PD_DDF_TYPE { + struct { + union { + struct { +#ifndef __BIG_ENDIAN_BITFIELD + u16 forcedPDGUID:1; + u16 inVD:1; + u16 isGlobalSpare:1; + u16 isSpare:1; + u16 isForeign:1; + u16 reserved:7; + u16 intf:4; +#else + u16 intf:4; + u16 reserved:7; + u16 isForeign:1; + u16 isSpare:1; + u16 isGlobalSpare:1; + u16 inVD:1; + u16 forcedPDGUID:1; +#endif + } pdType; + u16 type; + }; + u16 reserved; + } ddf; + struct { + u32 reserved; + } nonDisk; + u32 type; +} __packed; + +/* + * defines the progress structure + */ +union MR_PROGRESS { + struct { + u16 progress; + union { + u16 elapsedSecs; + u16 elapsedSecsForLastPercent; + }; + } mrProgress; + u32 w; +} __packed; + +/* + * defines the physical drive progress structure + */ +struct MR_PD_PROGRESS { + struct { +#ifndef MFI_BIG_ENDIAN + u32 rbld:1; + u32 patrol:1; + u32 clear:1; + u32 copyBack:1; + u32 erase:1; + u32 locate:1; + u32 reserved:26; +#else + u32 reserved:26; + u32 locate:1; + u32 erase:1; + u32 copyBack:1; + u32 clear:1; + u32 patrol:1; + u32 rbld:1; +#endif + } active; + union MR_PROGRESS rbld; + union MR_PROGRESS patrol; + union { + union MR_PROGRESS clear; + union MR_PROGRESS erase; + }; + + struct { +#ifndef MFI_BIG_ENDIAN + u32 rbld:1; + u32 patrol:1; + u32 clear:1; + u32 copyBack:1; + u32 erase:1; + u32 reserved:27; +#else + u32 reserved:27; + u32 erase:1; + u32 copyBack:1; + u32 clear:1; + u32 patrol:1; + u32 rbld:1; +#endif + } pause; + + union MR_PROGRESS reserved[3]; +} __packed; + +struct MR_PD_INFO { + union MR_PD_REF ref; + u8 inquiryData[96]; + u8 vpdPage83[64]; + u8 notSupported; + u8 scsiDevType; + + union { + u8 connectedPortBitmap; + u8 connectedPortNumbers; + }; + + u8 deviceSpeed; + u32 mediaErrCount; + u32 otherErrCount; + u32 predFailCount; + u32 lastPredFailEventSeqNum; + + u16 fwState; + u8 disabledForRemoval; + u8 linkSpeed; + union MR_PD_DDF_TYPE state; + + struct { + u8 count; +#ifndef __BIG_ENDIAN_BITFIELD + u8 isPathBroken:4; + u8 reserved3:3; + u8 widePortCapable:1; +#else + u8 widePortCapable:1; + u8 reserved3:3; + u8 isPathBroken:4; +#endif + + u8 connectorIndex[2]; + u8 reserved[4]; + u64 sasAddr[2]; + u8 reserved2[16]; + } pathInfo; + + u64 rawSize; + u64 nonCoercedSize; + u64 coercedSize; + u16 enclDeviceId; + u8 enclIndex; + + union { + u8 slotNumber; + u8 enclConnectorIndex; + }; + + struct MR_PD_PROGRESS progInfo; + u8 badBlockTableFull; + u8 unusableInCurrentConfig; + u8 vpdPage83Ext[64]; + u8 powerState; + u8 enclPosition; + u32 allowedOps; + u16 copyBackPartnerId; + u16 enclPartnerDeviceId; + struct { +#ifndef __BIG_ENDIAN_BITFIELD + u16 fdeCapable:1; + u16 fdeEnabled:1; + u16 secured:1; + u16 locked:1; + u16 foreign:1; + u16 needsEKM:1; + u16 reserved:10; +#else + u16 reserved:10; + u16 needsEKM:1; + u16 foreign:1; + u16 locked:1; + u16 secured:1; + u16 fdeEnabled:1; + u16 fdeCapable:1; +#endif + } security; + u8 mediaType; + u8 notCertified; + u8 bridgeVendor[8]; + u8 bridgeProductIdentification[16]; + u8 bridgeProductRevisionLevel[4]; + u8 satBridgeExists; + + u8 interfaceType; + u8 temperature; + u8 emulatedBlockSize; + u16 userDataBlockSize; + u16 reserved2; + + struct { +#ifndef __BIG_ENDIAN_BITFIELD + u32 piType:3; + u32 piFormatted:1; + u32 piEligible:1; + u32 NCQ:1; + u32 WCE:1; + u32 commissionedSpare:1; + u32 emergencySpare:1; + u32 ineligibleForSSCD:1; + u32 ineligibleForLd:1; + u32 useSSEraseType:1; + u32 wceUnchanged:1; + u32 supportScsiUnmap:1; + u32 reserved:18; +#else + u32 reserved:18; + u32 supportScsiUnmap:1; + u32 wceUnchanged:1; + u32 useSSEraseType:1; + u32 ineligibleForLd:1; + u32 ineligibleForSSCD:1; + u32 emergencySpare:1; + u32 commissionedSpare:1; + u32 WCE:1; + u32 NCQ:1; + u32 piEligible:1; + u32 piFormatted:1; + u32 piType:3; +#endif + } properties; + + u64 shieldDiagCompletionTime; + u8 shieldCounter; + + u8 linkSpeedOther; + u8 reserved4[2]; + + struct { +#ifndef __BIG_ENDIAN_BITFIELD + u32 bbmErrCountSupported:1; + u32 bbmErrCount:31; +#else + u32 bbmErrCount:31; + u32 bbmErrCountSupported:1; +#endif + } bbmErr; + + u8 reserved1[512-428]; +} __packed; /* * defines the physical drive address structure @@ -473,6 +728,7 @@ struct megasas_pd_list { u16 tid; u8 driveType; u8 driveState; + u8 interface; } __packed; /* @@ -972,7 +1228,8 @@ struct megasas_ctrl_info { */ struct { #if defined(__BIG_ENDIAN_BITFIELD) - u32 reserved:26; + u32 reserved:25; + u32 passive:1; u32 premiumFeatureMismatch:1; u32 ctrlPropIncompatible:1; u32 fwVersionMismatch:1; @@ -986,11 +1243,12 @@ struct megasas_ctrl_info { u32 fwVersionMismatch:1; u32 ctrlPropIncompatible:1; u32 premiumFeatureMismatch:1; - u32 reserved:26; + u32 passive:1; + u32 reserved:25; #endif } cluster; - char clusterId[16]; /*7D4h */ + char clusterId[MEGASAS_CLUSTER_ID_SIZE]; /*0x7D4 */ struct { u8 maxVFsSupported; /*0x7E4*/ u8 numVFsEnabled; /*0x7E5*/ @@ -1083,6 +1341,8 @@ struct megasas_ctrl_info { #define VD_EXT_DEBUG 0 +#define SCAN_PD_CHANNEL 0x1 +#define SCAN_VD_CHANNEL 0x2 enum MR_SCSI_CMD_TYPE { READ_WRITE_LDIO = 0, @@ -1091,6 +1351,17 @@ enum MR_SCSI_CMD_TYPE { NON_READ_WRITE_SYSPDIO = 3, }; +enum DCMD_TIMEOUT_ACTION { + INITIATE_OCR = 0, + KILL_ADAPTER = 1, + IGNORE_TIMEOUT = 2, +}; + +enum FW_BOOT_CONTEXT { + PROBE_CONTEXT = 0, + OCR_CONTEXT = 1, +}; + /* Frame Type */ #define IO_FRAME 0 #define PTHRU_FRAME 1 @@ -1137,6 +1408,7 @@ enum MR_SCSI_CMD_TYPE { #define MFI_OB_INTR_STATUS_MASK 0x00000002 #define MFI_POLL_TIMEOUT_SECS 60 +#define MFI_IO_TIMEOUT_SECS 180 #define MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF (5 * HZ) #define MEGASAS_OCR_SETTLE_TIME_VF (1000 * 30) #define MEGASAS_ROUTINE_WAIT_TIME_VF 300 @@ -1154,6 +1426,7 @@ enum MR_SCSI_CMD_TYPE { #define MR_MAX_REPLY_QUEUES_EXT_OFFSET 0X003FC000 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT 14 #define MR_MAX_MSIX_REG_ARRAY 16 +#define MR_RDPQ_MODE_OFFSET 0X00800000 /* * register set for both 1068 and 1078 controllers * structure extended for 1078 registers @@ -1193,8 +1466,9 @@ struct megasas_register_set { u32 outbound_scratch_pad ; /*00B0h*/ u32 outbound_scratch_pad_2; /*00B4h*/ + u32 outbound_scratch_pad_3; /*00B8h*/ - u32 reserved_4[2]; /*00B8h*/ + u32 reserved_4; /*00BCh*/ u32 inbound_low_queue_port ; /*00C0h*/ @@ -1266,7 +1540,10 @@ union megasas_sgl_frame { typedef union _MFI_CAPABILITIES { struct { #if defined(__BIG_ENDIAN_BITFIELD) - u32 reserved:23; + u32 reserved:20; + u32 support_qd_throttling:1; + u32 support_fp_rlbypass:1; + u32 support_vfid_in_ioframe:1; u32 support_ext_io_size:1; u32 support_ext_queue_depth:1; u32 security_protocol_cmds_fw:1; @@ -1286,7 +1563,10 @@ typedef union _MFI_CAPABILITIES { u32 security_protocol_cmds_fw:1; u32 support_ext_queue_depth:1; u32 support_ext_io_size:1; - u32 reserved:23; + u32 support_vfid_in_ioframe:1; + u32 support_fp_rlbypass:1; + u32 support_qd_throttling:1; + u32 reserved:20; #endif } mfi_capabilities; __le32 reg; @@ -1511,6 +1791,15 @@ union megasas_frame { u8 raw_bytes[64]; }; +/** + * struct MR_PRIV_DEVICE - sdev private hostdata + * @is_tm_capable: firmware managed tm_capable flag + * @tm_busy: TM request is in progress + */ +struct MR_PRIV_DEVICE { + bool is_tm_capable; + bool tm_busy; +}; struct megasas_cmd; union megasas_evt_class_locale { @@ -1700,6 +1989,19 @@ struct MR_DRV_SYSTEM_INFO { u8 reserved[1980]; }; +enum MR_PD_TYPE { + UNKNOWN_DRIVE = 0, + PARALLEL_SCSI = 1, + SAS_PD = 2, + SATA_PD = 3, + FC_PD = 4, +}; + +/* JBOD Queue depth definitions */ +#define MEGASAS_SATA_QD 32 +#define MEGASAS_SAS_QD 64 +#define MEGASAS_DEFAULT_PD_QD 64 + struct megasas_instance { __le32 *producer; @@ -1714,6 +2016,8 @@ struct megasas_instance { dma_addr_t vf_affiliation_111_h; struct MR_CTRL_HB_HOST_MEM *hb_host_mem; dma_addr_t hb_host_mem_h; + struct MR_PD_INFO *pd_info; + dma_addr_t pd_info_h; __le32 *reply_queue; dma_addr_t reply_queue_h; @@ -1745,6 +2049,8 @@ struct megasas_instance { u16 max_fw_cmds; u16 max_mfi_cmds; u16 max_scsi_cmds; + u16 ldio_threshold; + u16 cur_can_queue; u32 max_sectors_per_req; struct megasas_aen_event *ev; @@ -1762,7 +2068,7 @@ struct megasas_instance { struct megasas_evt_detail *evt_detail; dma_addr_t evt_detail_h; struct megasas_cmd *aen_cmd; - struct mutex aen_mutex; + struct mutex hba_mutex; struct semaphore ioctl_sem; struct Scsi_Host *host; @@ -1775,6 +2081,7 @@ struct megasas_instance { u32 fw_support_ieee; atomic_t fw_outstanding; + atomic_t ldio_outstanding; atomic_t fw_reset_no_pci_access; struct megasas_instance_template *instancet; @@ -1790,14 +2097,14 @@ struct megasas_instance { u8 UnevenSpanSupport; u8 supportmax256vd; - u8 allow_fw_scan; + u8 pd_list_not_supported; u16 fw_supported_vd_count; u16 fw_supported_pd_count; u16 drv_supported_vd_count; u16 drv_supported_pd_count; - u8 adprecovery; + atomic_t adprecovery; unsigned long last_time; u32 mfiStatus; u32 last_seq_num; @@ -1822,11 +2129,14 @@ struct megasas_instance { char skip_heartbeat_timer_del; u8 requestorId; char PlasmaFW111; - char mpio; + char clusterId[MEGASAS_CLUSTER_ID_SIZE]; + u8 peerIsPresent; + u8 passive; u16 throttlequeuedepth; u8 mask_interrupts; u16 max_chain_frame_sz; u8 is_imr; + u8 is_rdpq; bool dev_handle; }; struct MR_LD_VF_MAP { @@ -1916,7 +2226,7 @@ struct megasas_instance_template { u32 (*init_adapter)(struct megasas_instance *); u32 (*build_and_issue_cmd) (struct megasas_instance *, struct scsi_cmnd *); - void (*issue_dcmd) (struct megasas_instance *instance, + int (*issue_dcmd)(struct megasas_instance *instance, struct megasas_cmd *cmd); }; @@ -2014,6 +2324,19 @@ struct megasas_mgmt_info { int max_index; }; +enum MEGASAS_OCR_CAUSE { + FW_FAULT_OCR = 0, + SCSIIO_TIMEOUT_OCR = 1, + MFI_IO_TIMEOUT_OCR = 2, +}; + +enum DCMD_RETURN_STATUS { + DCMD_SUCCESS = 0, + DCMD_TIMEOUT = 1, + DCMD_FAILED = 2, + DCMD_NOT_FIRED = 3, +}; + u8 MR_BuildRaidContext(struct megasas_instance *instance, struct IO_REQUEST_INFO *io_info, @@ -2051,4 +2374,8 @@ void megasas_return_mfi_mpt_pthr(struct megasas_instance *instance, int megasas_cmd_type(struct scsi_cmnd *cmd); void megasas_setup_jbod_map(struct megasas_instance *instance); +void megasas_update_sdev_properties(struct scsi_device *sdev); +int megasas_reset_fusion(struct Scsi_Host *shost, int reason); +int megasas_task_abort_fusion(struct scsi_cmnd *scmd); +int megasas_reset_target_fusion(struct scsi_cmnd *scmd); #endif /*LSI_MEGARAID_SAS_H */ diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 00ce3e269..e6ebc7ae2 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -83,7 +83,7 @@ module_param(throttlequeuedepth, int, S_IRUGO); MODULE_PARM_DESC(throttlequeuedepth, "Adapter queue depth when throttled due to I/O timeout. Default: 16"); -int resetwaittime = MEGASAS_RESET_WAIT_TIME; +unsigned int resetwaittime = MEGASAS_RESET_WAIT_TIME; module_param(resetwaittime, int, S_IRUGO); MODULE_PARM_DESC(resetwaittime, "Wait time in seconds after I/O timeout " "before resetting adapter. Default: 180"); @@ -92,6 +92,18 @@ int smp_affinity_enable = 1; module_param(smp_affinity_enable, int, S_IRUGO); MODULE_PARM_DESC(smp_affinity_enable, "SMP affinity feature enable/disbale Default: enable(1)"); +int rdpq_enable = 1; +module_param(rdpq_enable, int, S_IRUGO); +MODULE_PARM_DESC(rdpq_enable, " Allocate reply queue in chunks for large queue depth enable/disable Default: disable(0)"); + +unsigned int dual_qdepth_disable; +module_param(dual_qdepth_disable, int, S_IRUGO); +MODULE_PARM_DESC(dual_qdepth_disable, "Disable dual queue depth feature. Default: 0"); + +unsigned int scmd_timeout = MEGASAS_DEFAULT_CMD_TIMEOUT; +module_param(scmd_timeout, int, S_IRUGO); +MODULE_PARM_DESC(scmd_timeout, "scsi command timeout (10-90s), default 90s. See megasas_reset_timer."); + MODULE_LICENSE("GPL"); MODULE_VERSION(MEGASAS_VERSION); MODULE_AUTHOR("megaraidlinux.pdl@avagotech.com"); @@ -104,6 +116,8 @@ static int megasas_ld_list_query(struct megasas_instance *instance, static int megasas_issue_init_mfi(struct megasas_instance *instance); static int megasas_register_aen(struct megasas_instance *instance, u32 seq_num, u32 class_locale_word); +static int +megasas_get_pd_info(struct megasas_instance *instance, u16 device_id); /* * PCI ID table for all supported controllers */ @@ -189,18 +203,18 @@ int wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, int seconds); void megasas_reset_reply_desc(struct megasas_instance *instance); -int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout); void megasas_fusion_ocr_wq(struct work_struct *work); static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance, int initial); int megasas_check_mpio_paths(struct megasas_instance *instance, struct scsi_cmnd *scmd); -void +int megasas_issue_dcmd(struct megasas_instance *instance, struct megasas_cmd *cmd) { instance->instancet->fire_cmd(instance, cmd->frame_phys_addr, 0, instance->reg_set); + return 0; } /** @@ -473,7 +487,7 @@ static int megasas_check_reset_xscale(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { - if ((instance->adprecovery != MEGASAS_HBA_OPERATIONAL) && + if ((atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) && (le32_to_cpu(*instance->consumer) == MEGASAS_ADPRESET_INPROG_SIGN)) return 1; @@ -609,7 +623,7 @@ static int megasas_check_reset_ppc(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) return 1; return 0; @@ -735,6 +749,7 @@ megasas_fire_cmd_skinny(struct megasas_instance *instance, &(regs)->inbound_high_queue_port); writel((lower_32_bits(frame_phys_addr) | (frame_count<<1))|1, &(regs)->inbound_low_queue_port); + mmiowb(); spin_unlock_irqrestore(&instance->hba_lock, flags); } @@ -746,7 +761,7 @@ static int megasas_check_reset_skinny(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) return 1; return 0; @@ -940,9 +955,8 @@ static int megasas_check_reset_gen2(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) return 1; - } return 0; } @@ -983,25 +997,20 @@ extern struct megasas_instance_template megasas_instance_template_fusion; int megasas_issue_polled(struct megasas_instance *instance, struct megasas_cmd *cmd) { - int seconds; struct megasas_header *frame_hdr = &cmd->frame->hdr; - frame_hdr->cmd_status = MFI_CMD_STATUS_POLL_MODE; + frame_hdr->cmd_status = MFI_STAT_INVALID_STATUS; frame_hdr->flags |= cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE); - /* - * Issue the frame using inbound queue port - */ - instance->instancet->issue_dcmd(instance, cmd); + if ((atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) || + (instance->instancet->issue_dcmd(instance, cmd))) { + dev_err(&instance->pdev->dev, "Failed from %s %d\n", + __func__, __LINE__); + return DCMD_NOT_FIRED; + } - /* - * Wait for cmd_status to change - */ - if (instance->requestorId) - seconds = MEGASAS_ROUTINE_WAIT_TIME_VF; - else - seconds = MFI_POLL_TIMEOUT_SECS; - return wait_and_poll(instance, cmd, seconds); + return wait_and_poll(instance, cmd, instance->requestorId ? + MEGASAS_ROUTINE_WAIT_TIME_VF : MFI_IO_TIMEOUT_SECS); } /** @@ -1019,21 +1028,29 @@ megasas_issue_blocked_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, int timeout) { int ret = 0; - cmd->cmd_status_drv = MFI_STAT_INVALID_STATUS; - instance->instancet->issue_dcmd(instance, cmd); + if ((atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) || + (instance->instancet->issue_dcmd(instance, cmd))) { + dev_err(&instance->pdev->dev, "Failed from %s %d\n", + __func__, __LINE__); + return DCMD_NOT_FIRED; + } + if (timeout) { ret = wait_event_timeout(instance->int_cmd_wait_q, cmd->cmd_status_drv != MFI_STAT_INVALID_STATUS, timeout * HZ); - if (!ret) - return 1; + if (!ret) { + dev_err(&instance->pdev->dev, "Failed from %s %d DCMD Timed out\n", + __func__, __LINE__); + return DCMD_TIMEOUT; + } } else wait_event(instance->int_cmd_wait_q, cmd->cmd_status_drv != MFI_STAT_INVALID_STATUS); return (cmd->cmd_status_drv == MFI_STAT_OK) ? - 0 : 1; + DCMD_SUCCESS : DCMD_FAILED; } /** @@ -1077,15 +1094,20 @@ megasas_issue_blocked_abort_cmd(struct megasas_instance *instance, cmd->sync_cmd = 1; cmd->cmd_status_drv = MFI_STAT_INVALID_STATUS; - instance->instancet->issue_dcmd(instance, cmd); + if ((atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) || + (instance->instancet->issue_dcmd(instance, cmd))) { + dev_err(&instance->pdev->dev, "Failed from %s %d\n", + __func__, __LINE__); + return DCMD_NOT_FIRED; + } if (timeout) { ret = wait_event_timeout(instance->abort_cmd_wait_q, cmd->cmd_status_drv != MFI_STAT_INVALID_STATUS, timeout * HZ); if (!ret) { - dev_err(&instance->pdev->dev, "Command timedout" - "from %s\n", __func__); - return 1; + dev_err(&instance->pdev->dev, "Failed from %s %d Abort Timed out\n", + __func__, __LINE__); + return DCMD_TIMEOUT; } } else wait_event(instance->abort_cmd_wait_q, @@ -1094,7 +1116,8 @@ megasas_issue_blocked_abort_cmd(struct megasas_instance *instance, cmd->sync_cmd = 0; megasas_return_cmd(instance, cmd); - return 0; + return (cmd->cmd_status_drv == MFI_STAT_OK) ? + DCMD_SUCCESS : DCMD_FAILED; } /** @@ -1621,7 +1644,7 @@ megasas_build_and_issue_cmd(struct megasas_instance *instance, return 0; out_return_cmd: megasas_return_cmd(instance, cmd); - return 1; + return SCSI_MLQUEUE_HOST_BUSY; } @@ -1634,7 +1657,7 @@ static int megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) { struct megasas_instance *instance; - unsigned long flags; + struct MR_PRIV_DEVICE *mr_device_priv_data; instance = (struct megasas_instance *) scmd->device->host->hostdata; @@ -1648,35 +1671,38 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) if (instance->issuepend_done == 0) return SCSI_MLQUEUE_HOST_BUSY; - spin_lock_irqsave(&instance->hba_lock, flags); /* Check for an mpio path and adjust behavior */ - if (instance->adprecovery == MEGASAS_ADPRESET_SM_INFAULT) { + if (atomic_read(&instance->adprecovery) == MEGASAS_ADPRESET_SM_INFAULT) { if (megasas_check_mpio_paths(instance, scmd) == (DID_RESET << 16)) { - spin_unlock_irqrestore(&instance->hba_lock, flags); return SCSI_MLQUEUE_HOST_BUSY; } else { - spin_unlock_irqrestore(&instance->hba_lock, flags); scmd->result = DID_NO_CONNECT << 16; scmd->scsi_done(scmd); return 0; } } - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { - spin_unlock_irqrestore(&instance->hba_lock, flags); + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { scmd->result = DID_NO_CONNECT << 16; scmd->scsi_done(scmd); return 0; } - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { - spin_unlock_irqrestore(&instance->hba_lock, flags); - return SCSI_MLQUEUE_HOST_BUSY; + mr_device_priv_data = scmd->device->hostdata; + if (!mr_device_priv_data) { + scmd->result = DID_NO_CONNECT << 16; + scmd->scsi_done(scmd); + return 0; } - spin_unlock_irqrestore(&instance->hba_lock, flags); + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) + return SCSI_MLQUEUE_HOST_BUSY; + + if (mr_device_priv_data->tm_busy) + return SCSI_MLQUEUE_DEVICE_BUSY; + scmd->result = 0; @@ -1699,12 +1725,7 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) break; } - if (instance->instancet->build_and_issue_cmd(instance, scmd)) { - dev_err(&instance->pdev->dev, "Err returned from build_and_issue_cmd\n"); - return SCSI_MLQUEUE_HOST_BUSY; - } - - return 0; + return instance->instancet->build_and_issue_cmd(instance, scmd); out_done: scmd->scsi_done(scmd); @@ -1726,27 +1747,39 @@ static struct megasas_instance *megasas_lookup_instance(u16 host_no) } /* -* megasas_set_dma_alignment - Set DMA alignment for PI enabled VD +* megasas_update_sdev_properties - Update sdev structure based on controller's FW capabilities * * @sdev: OS provided scsi device * * Returns void */ -static void megasas_set_dma_alignment(struct scsi_device *sdev) +void megasas_update_sdev_properties(struct scsi_device *sdev) { + u16 pd_index = 0; u32 device_id, ld; struct megasas_instance *instance; struct fusion_context *fusion; + struct MR_PRIV_DEVICE *mr_device_priv_data; + struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; struct MR_LD_RAID *raid; struct MR_DRV_RAID_MAP_ALL *local_map_ptr; instance = megasas_lookup_instance(sdev->host->host_no); fusion = instance->ctrl_context; + mr_device_priv_data = sdev->hostdata; if (!fusion) return; - if (sdev->channel >= MEGASAS_MAX_PD_CHANNELS) { + if (sdev->channel < MEGASAS_MAX_PD_CHANNELS && + instance->use_seqnum_jbod_fp) { + pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + + sdev->id; + pd_sync = (void *)fusion->pd_seq_sync + [(instance->pd_seq_map_id - 1) & 1]; + mr_device_priv_data->is_tm_capable = + pd_sync->seq[pd_index].capability.tmCapable; + } else { device_id = ((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id; local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; @@ -1754,17 +1787,58 @@ static void megasas_set_dma_alignment(struct scsi_device *sdev) raid = MR_LdRaidGet(ld, local_map_ptr); if (raid->capability.ldPiMode == MR_PROT_INFO_TYPE_CONTROLLER) - blk_queue_update_dma_alignment(sdev->request_queue, 0x7); + blk_queue_update_dma_alignment(sdev->request_queue, 0x7); + mr_device_priv_data->is_tm_capable = + raid->capability.tmCapable; + } +} + +static void megasas_set_device_queue_depth(struct scsi_device *sdev) +{ + u16 pd_index = 0; + int ret = DCMD_FAILED; + struct megasas_instance *instance; + + instance = megasas_lookup_instance(sdev->host->host_no); + + if (sdev->channel < MEGASAS_MAX_PD_CHANNELS) { + pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id; + + if (instance->pd_info) { + mutex_lock(&instance->hba_mutex); + ret = megasas_get_pd_info(instance, pd_index); + mutex_unlock(&instance->hba_mutex); + } + + if (ret != DCMD_SUCCESS) + return; + + if (instance->pd_list[pd_index].driveState == MR_PD_STATE_SYSTEM) { + + switch (instance->pd_list[pd_index].interface) { + case SAS_PD: + scsi_change_queue_depth(sdev, MEGASAS_SAS_QD); + break; + + case SATA_PD: + scsi_change_queue_depth(sdev, MEGASAS_SATA_QD); + break; + + default: + scsi_change_queue_depth(sdev, MEGASAS_DEFAULT_PD_QD); + } + } } } + static int megasas_slave_configure(struct scsi_device *sdev) { u16 pd_index = 0; struct megasas_instance *instance; instance = megasas_lookup_instance(sdev->host->host_no); - if (instance->allow_fw_scan) { + if (instance->pd_list_not_supported) { if (sdev->channel < MEGASAS_MAX_PD_CHANNELS && sdev->type == TYPE_DISK) { pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + @@ -1774,12 +1848,14 @@ static int megasas_slave_configure(struct scsi_device *sdev) return -ENXIO; } } - megasas_set_dma_alignment(sdev); + megasas_set_device_queue_depth(sdev); + megasas_update_sdev_properties(sdev); + /* * The RAID firmware may require extended timeouts. */ blk_queue_rq_timeout(sdev->request_queue, - MEGASAS_DEFAULT_CMD_TIMEOUT * HZ); + scmd_timeout * HZ); return 0; } @@ -1788,6 +1864,7 @@ static int megasas_slave_alloc(struct scsi_device *sdev) { u16 pd_index = 0; struct megasas_instance *instance ; + struct MR_PRIV_DEVICE *mr_device_priv_data; instance = megasas_lookup_instance(sdev->host->host_no); if (sdev->channel < MEGASAS_MAX_PD_CHANNELS) { @@ -1797,15 +1874,29 @@ static int megasas_slave_alloc(struct scsi_device *sdev) pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id; - if ((instance->allow_fw_scan || instance->pd_list[pd_index].driveState == + if ((instance->pd_list_not_supported || + instance->pd_list[pd_index].driveState == MR_PD_STATE_SYSTEM)) { - return 0; + goto scan_target; } return -ENXIO; } + +scan_target: + mr_device_priv_data = kzalloc(sizeof(*mr_device_priv_data), + GFP_KERNEL); + if (!mr_device_priv_data) + return -ENOMEM; + sdev->hostdata = mr_device_priv_data; return 0; } +static void megasas_slave_destroy(struct scsi_device *sdev) +{ + kfree(sdev->hostdata); + sdev->hostdata = NULL; +} + /* * megasas_complete_outstanding_ioctls - Complete outstanding ioctls after a * kill adapter @@ -1845,7 +1936,7 @@ static void megasas_complete_outstanding_ioctls(struct megasas_instance *instanc void megaraid_sas_kill_hba(struct megasas_instance *instance) { /* Set critical error to block I/O & ioctls in case caller didn't */ - instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR; + atomic_set(&instance->adprecovery, MEGASAS_HW_CRITICAL_ERROR); /* Wait 1 second to ensure IO or ioctls in build have posted */ msleep(1000); if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) || @@ -1854,7 +1945,7 @@ void megaraid_sas_kill_hba(struct megasas_instance *instance) writel(MFI_STOP_ADP, &instance->reg_set->doorbell); /* Flush */ readl(&instance->reg_set->doorbell); - if (instance->mpio && instance->requestorId) + if (instance->requestorId && instance->peerIsPresent) memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS); } else { writel(MFI_STOP_ADP, @@ -1883,7 +1974,7 @@ megasas_check_and_restore_queue_depth(struct megasas_instance *instance) spin_lock_irqsave(instance->host->host_lock, flags); instance->flag &= ~MEGASAS_FW_BUSY; - instance->host->can_queue = instance->max_scsi_cmds; + instance->host->can_queue = instance->cur_can_queue; spin_unlock_irqrestore(instance->host->host_lock, flags); } } @@ -1905,7 +1996,7 @@ static void megasas_complete_cmd_dpc(unsigned long instance_addr) unsigned long flags; /* If we have already declared adapter dead, donot complete cmds */ - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) return; spin_lock_irqsave(&instance->completion_lock, flags); @@ -1974,7 +2065,7 @@ void megasas_do_ocr(struct megasas_instance *instance) *instance->consumer = cpu_to_le32(MEGASAS_ADPRESET_INPROG_SIGN); } instance->instancet->disable_intr(instance); - instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; + atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); instance->issuepend_done = 0; atomic_set(&instance->fw_outstanding, 0); @@ -2054,9 +2145,7 @@ static int megasas_get_ld_vf_affiliation_111(struct megasas_instance *instance, dev_warn(&instance->pdev->dev, "SR-IOV: Getting LD/VF affiliation for " "scsi%d\n", instance->host->host_no); - megasas_issue_blocked_cmd(instance, cmd, 0); - - if (dcmd->cmd_status) { + if (megasas_issue_blocked_cmd(instance, cmd, 0) != DCMD_SUCCESS) { dev_warn(&instance->pdev->dev, "SR-IOV: LD/VF affiliation DCMD" " failed with status 0x%x for scsi%d\n", dcmd->cmd_status, instance->host->host_no); @@ -2166,9 +2255,8 @@ static int megasas_get_ld_vf_affiliation_12(struct megasas_instance *instance, dev_warn(&instance->pdev->dev, "SR-IOV: Getting LD/VF affiliation for " "scsi%d\n", instance->host->host_no); - megasas_issue_blocked_cmd(instance, cmd, 0); - if (dcmd->cmd_status) { + if (megasas_issue_blocked_cmd(instance, cmd, 0) != DCMD_SUCCESS) { dev_warn(&instance->pdev->dev, "SR-IOV: LD/VF affiliation DCMD" " failed with status 0x%x for scsi%d\n", dcmd->cmd_status, instance->host->host_no); @@ -2373,21 +2461,21 @@ void megasas_sriov_heartbeat_handler(unsigned long instance_addr) */ static int megasas_wait_for_outstanding(struct megasas_instance *instance) { - int i; + int i, sl, outstanding; u32 reset_index; u32 wait_time = MEGASAS_RESET_WAIT_TIME; - u8 adprecovery; unsigned long flags; struct list_head clist_local; struct megasas_cmd *reset_cmd; u32 fw_state; - u8 kill_adapter_flag; - spin_lock_irqsave(&instance->hba_lock, flags); - adprecovery = instance->adprecovery; - spin_unlock_irqrestore(&instance->hba_lock, flags); + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { + dev_info(&instance->pdev->dev, "%s:%d HBA is killed.\n", + __func__, __LINE__); + return FAILED; + } - if (adprecovery != MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { INIT_LIST_HEAD(&clist_local); spin_lock_irqsave(&instance->hba_lock, flags); @@ -2398,18 +2486,13 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance) dev_notice(&instance->pdev->dev, "HBA reset wait ...\n"); for (i = 0; i < wait_time; i++) { msleep(1000); - spin_lock_irqsave(&instance->hba_lock, flags); - adprecovery = instance->adprecovery; - spin_unlock_irqrestore(&instance->hba_lock, flags); - if (adprecovery == MEGASAS_HBA_OPERATIONAL) + if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) break; } - if (adprecovery != MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { dev_notice(&instance->pdev->dev, "reset: Stopping HBA.\n"); - spin_lock_irqsave(&instance->hba_lock, flags); - instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR; - spin_unlock_irqrestore(&instance->hba_lock, flags); + atomic_set(&instance->adprecovery, MEGASAS_HW_CRITICAL_ERROR); return FAILED; } @@ -2447,7 +2530,7 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance) } for (i = 0; i < resetwaittime; i++) { - int outstanding = atomic_read(&instance->fw_outstanding); + outstanding = atomic_read(&instance->fw_outstanding); if (!outstanding) break; @@ -2466,67 +2549,60 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance) } i = 0; - kill_adapter_flag = 0; + outstanding = atomic_read(&instance->fw_outstanding); + fw_state = instance->instancet->read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK; + + if ((!outstanding && (fw_state == MFI_STATE_OPERATIONAL))) + goto no_outstanding; + + if (instance->disableOnlineCtrlReset) + goto kill_hba_and_failed; do { - fw_state = instance->instancet->read_fw_status_reg( - instance->reg_set) & MFI_STATE_MASK; - if ((fw_state == MFI_STATE_FAULT) && - (instance->disableOnlineCtrlReset == 0)) { - if (i == 3) { - kill_adapter_flag = 2; - break; - } + if ((fw_state == MFI_STATE_FAULT) || atomic_read(&instance->fw_outstanding)) { + dev_info(&instance->pdev->dev, + "%s:%d waiting_for_outstanding: before issue OCR. FW state = 0x%x, oustanding 0x%x\n", + __func__, __LINE__, fw_state, atomic_read(&instance->fw_outstanding)); + if (i == 3) + goto kill_hba_and_failed; megasas_do_ocr(instance); - kill_adapter_flag = 1; - /* wait for 1 secs to let FW finish the pending cmds */ - msleep(1000); + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { + dev_info(&instance->pdev->dev, "%s:%d OCR failed and HBA is killed.\n", + __func__, __LINE__); + return FAILED; + } + dev_info(&instance->pdev->dev, "%s:%d waiting_for_outstanding: after issue OCR.\n", + __func__, __LINE__); + + for (sl = 0; sl < 10; sl++) + msleep(500); + + outstanding = atomic_read(&instance->fw_outstanding); + + fw_state = instance->instancet->read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK; + if ((!outstanding && (fw_state == MFI_STATE_OPERATIONAL))) + goto no_outstanding; } i++; } while (i <= 3); - if (atomic_read(&instance->fw_outstanding) && !kill_adapter_flag) { - if (instance->disableOnlineCtrlReset == 0) { - megasas_do_ocr(instance); +no_outstanding: - /* wait for 5 secs to let FW finish the pending cmds */ - for (i = 0; i < wait_time; i++) { - int outstanding = - atomic_read(&instance->fw_outstanding); - if (!outstanding) - return SUCCESS; - msleep(1000); - } - } - } + dev_info(&instance->pdev->dev, "%s:%d no more pending commands remain after reset handling.\n", + __func__, __LINE__); + return SUCCESS; - if (atomic_read(&instance->fw_outstanding) || - (kill_adapter_flag == 2)) { - dev_notice(&instance->pdev->dev, "pending cmds after reset\n"); - /* - * Send signal to FW to stop processing any pending cmds. - * The controller will be taken offline by the OS now. - */ - if ((instance->pdev->device == - PCI_DEVICE_ID_LSI_SAS0073SKINNY) || - (instance->pdev->device == - PCI_DEVICE_ID_LSI_SAS0071SKINNY)) { - writel(MFI_STOP_ADP, - &instance->reg_set->doorbell); - } else { - writel(MFI_STOP_ADP, - &instance->reg_set->inbound_doorbell); - } - megasas_dump_pending_frames(instance); - spin_lock_irqsave(&instance->hba_lock, flags); - instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR; - spin_unlock_irqrestore(&instance->hba_lock, flags); - return FAILED; - } +kill_hba_and_failed: - dev_notice(&instance->pdev->dev, "no pending cmds after reset\n"); + /* Reset not supported, kill adapter */ + dev_info(&instance->pdev->dev, "%s:%d killing adapter scsi%d" + " disableOnlineCtrlReset %d fw_outstanding %d \n", + __func__, __LINE__, instance->host->host_no, instance->disableOnlineCtrlReset, + atomic_read(&instance->fw_outstanding)); + megasas_dump_pending_frames(instance); + megaraid_sas_kill_hba(instance); - return SUCCESS; + return FAILED; } /** @@ -2547,7 +2623,7 @@ static int megasas_generic_reset(struct scsi_cmnd *scmd) scmd_printk(KERN_NOTICE, scmd, "megasas: RESET cmd=%x retries=%x\n", scmd->cmnd[0], scmd->retries); - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { dev_err(&instance->pdev->dev, "cannot recover from previous reset failures\n"); return FAILED; } @@ -2575,7 +2651,7 @@ blk_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd) unsigned long flags; if (time_after(jiffies, scmd->jiffies_at_alloc + - (MEGASAS_DEFAULT_CMD_TIMEOUT * 2) * HZ)) { + (scmd_timeout * 2) * HZ)) { return BLK_EH_NOT_HANDLED; } @@ -2851,6 +2927,16 @@ megasas_page_size_show(struct device *cdev, return snprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long)PAGE_SIZE - 1); } +static ssize_t +megasas_ldio_outstanding_show(struct device *cdev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct megasas_instance *instance = (struct megasas_instance *)shost->hostdata; + + return snprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&instance->ldio_outstanding)); +} + static DEVICE_ATTR(fw_crash_buffer, S_IRUGO | S_IWUSR, megasas_fw_crash_buffer_show, megasas_fw_crash_buffer_store); static DEVICE_ATTR(fw_crash_buffer_size, S_IRUGO, @@ -2859,12 +2945,15 @@ static DEVICE_ATTR(fw_crash_state, S_IRUGO | S_IWUSR, megasas_fw_crash_state_show, megasas_fw_crash_state_store); static DEVICE_ATTR(page_size, S_IRUGO, megasas_page_size_show, NULL); +static DEVICE_ATTR(ldio_outstanding, S_IRUGO, + megasas_ldio_outstanding_show, NULL); struct device_attribute *megaraid_host_attrs[] = { &dev_attr_fw_crash_buffer_size, &dev_attr_fw_crash_buffer, &dev_attr_fw_crash_state, &dev_attr_page_size, + &dev_attr_ldio_outstanding, NULL, }; @@ -2878,6 +2967,7 @@ static struct scsi_host_template megasas_template = { .proc_name = "megaraid_sas", .slave_configure = megasas_slave_configure, .slave_alloc = megasas_slave_alloc, + .slave_destroy = megasas_slave_destroy, .queuecommand = megasas_queue_command, .eh_device_reset_handler = megasas_reset_device, .eh_bus_reset_handler = megasas_reset_bus_host, @@ -3277,13 +3367,13 @@ process_fw_state_change_wq(struct work_struct *work) u32 wait; unsigned long flags; - if (instance->adprecovery != MEGASAS_ADPRESET_SM_INFAULT) { + if (atomic_read(&instance->adprecovery) != MEGASAS_ADPRESET_SM_INFAULT) { dev_notice(&instance->pdev->dev, "error, recovery st %x\n", - instance->adprecovery); + atomic_read(&instance->adprecovery)); return ; } - if (instance->adprecovery == MEGASAS_ADPRESET_SM_INFAULT) { + if (atomic_read(&instance->adprecovery) == MEGASAS_ADPRESET_SM_INFAULT) { dev_notice(&instance->pdev->dev, "FW detected to be in fault" "state, restarting it...\n"); @@ -3326,7 +3416,7 @@ process_fw_state_change_wq(struct work_struct *work) megasas_issue_init_mfi(instance); spin_lock_irqsave(&instance->hba_lock, flags); - instance->adprecovery = MEGASAS_HBA_OPERATIONAL; + atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); spin_unlock_irqrestore(&instance->hba_lock, flags); instance->instancet->enable_intr(instance); @@ -3391,14 +3481,14 @@ megasas_deplete_reply_queue(struct megasas_instance *instance, instance->instancet->disable_intr(instance); - instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; + atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); instance->issuepend_done = 0; atomic_set(&instance->fw_outstanding, 0); megasas_internal_reset_defer_cmds(instance); dev_notice(&instance->pdev->dev, "fwState=%x, stage:%d\n", - fw_state, instance->adprecovery); + fw_state, atomic_read(&instance->adprecovery)); schedule_work(&instance->work_init); return IRQ_HANDLED; @@ -3852,6 +3942,92 @@ int megasas_alloc_cmds(struct megasas_instance *instance) } /* + * dcmd_timeout_ocr_possible - Check if OCR is possible based on Driver/FW state. + * @instance: Adapter soft state + * + * Return 0 for only Fusion adapter, if driver load/unload is not in progress + * or FW is not under OCR. + */ +inline int +dcmd_timeout_ocr_possible(struct megasas_instance *instance) { + + if (!instance->ctrl_context) + return KILL_ADAPTER; + else if (instance->unload || + test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags)) + return IGNORE_TIMEOUT; + else + return INITIATE_OCR; +} + +static int +megasas_get_pd_info(struct megasas_instance *instance, u16 device_id) +{ + int ret; + struct megasas_cmd *cmd; + struct megasas_dcmd_frame *dcmd; + + cmd = megasas_get_cmd(instance); + + if (!cmd) { + dev_err(&instance->pdev->dev, "Failed to get cmd %s\n", __func__); + return -ENOMEM; + } + + dcmd = &cmd->frame->dcmd; + + memset(instance->pd_info, 0, sizeof(*instance->pd_info)); + memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); + + dcmd->mbox.s[0] = cpu_to_le16(device_id); + dcmd->cmd = MFI_CMD_DCMD; + dcmd->cmd_status = 0xFF; + dcmd->sge_count = 1; + dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ); + dcmd->timeout = 0; + dcmd->pad_0 = 0; + dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_PD_INFO)); + dcmd->opcode = cpu_to_le32(MR_DCMD_PD_GET_INFO); + dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(instance->pd_info_h); + dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct MR_PD_INFO)); + + if (instance->ctrl_context && !instance->mask_interrupts) + ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS); + else + ret = megasas_issue_polled(instance, cmd); + + switch (ret) { + case DCMD_SUCCESS: + instance->pd_list[device_id].interface = + instance->pd_info->state.ddf.pdType.intf; + break; + + case DCMD_TIMEOUT: + + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", + __func__, __LINE__); + break; + } + + break; + } + + if (ret != DCMD_TIMEOUT) + megasas_return_cmd(instance, cmd); + + return ret; +} +/* * megasas_get_pd_list_info - Returns FW's pd_list structure * @instance: Adapter soft state * @pd_list: pd_list structure @@ -3906,42 +4082,78 @@ megasas_get_pd_list(struct megasas_instance *instance) if (instance->ctrl_context && !instance->mask_interrupts) ret = megasas_issue_blocked_cmd(instance, cmd, - MEGASAS_BLOCKED_CMD_TIMEOUT); + MFI_IO_TIMEOUT_SECS); else ret = megasas_issue_polled(instance, cmd); - /* - * the following function will get the instance PD LIST. - */ + switch (ret) { + case DCMD_FAILED: + dev_info(&instance->pdev->dev, "MR_DCMD_PD_LIST_QUERY " + "failed/not supported by firmware\n"); + + if (instance->ctrl_context) + megaraid_sas_kill_hba(instance); + else + instance->pd_list_not_supported = 1; + break; + case DCMD_TIMEOUT: + + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + /* + * DCMD failed from AEN path. + * AEN path already hold reset_mutex to avoid PCI access + * while OCR is in progress. + */ + mutex_unlock(&instance->reset_mutex); + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + mutex_lock(&instance->reset_mutex); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d \n", + __func__, __LINE__); + break; + } + + break; - pd_addr = ci->addr; + case DCMD_SUCCESS: + pd_addr = ci->addr; - if (ret == 0 && - (le32_to_cpu(ci->count) < - (MEGASAS_MAX_PD_CHANNELS * MEGASAS_MAX_DEV_PER_CHANNEL))) { + if ((le32_to_cpu(ci->count) > + (MEGASAS_MAX_PD_CHANNELS * MEGASAS_MAX_DEV_PER_CHANNEL))) + break; memset(instance->local_pd_list, 0, - MEGASAS_MAX_PD * sizeof(struct megasas_pd_list)); + MEGASAS_MAX_PD * sizeof(struct megasas_pd_list)); for (pd_index = 0; pd_index < le32_to_cpu(ci->count); pd_index++) { - instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].tid = - le16_to_cpu(pd_addr->deviceId); + le16_to_cpu(pd_addr->deviceId); instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].driveType = - pd_addr->scsiDevType; + pd_addr->scsiDevType; instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].driveState = - MR_PD_STATE_SYSTEM; + MR_PD_STATE_SYSTEM; pd_addr++; } + memcpy(instance->pd_list, instance->local_pd_list, sizeof(instance->pd_list)); + break; + } pci_free_consistent(instance->pdev, MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST), ci, ci_h); - megasas_return_cmd(instance, cmd); + if (ret != DCMD_TIMEOUT) + megasas_return_cmd(instance, cmd); return ret; } @@ -4002,33 +4214,63 @@ megasas_get_ld_list(struct megasas_instance *instance) if (instance->ctrl_context && !instance->mask_interrupts) ret = megasas_issue_blocked_cmd(instance, cmd, - MEGASAS_BLOCKED_CMD_TIMEOUT); + MFI_IO_TIMEOUT_SECS); else ret = megasas_issue_polled(instance, cmd); - ld_count = le32_to_cpu(ci->ldCount); - /* the following function will get the instance PD LIST */ + switch (ret) { + case DCMD_FAILED: + megaraid_sas_kill_hba(instance); + break; + case DCMD_TIMEOUT: + + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + /* + * DCMD failed from AEN path. + * AEN path already hold reset_mutex to avoid PCI access + * while OCR is in progress. + */ + mutex_unlock(&instance->reset_mutex); + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + mutex_lock(&instance->reset_mutex); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", + __func__, __LINE__); + break; + } + + break; + + case DCMD_SUCCESS: + if (ld_count > instance->fw_supported_vd_count) + break; - if ((ret == 0) && (ld_count <= instance->fw_supported_vd_count)) { memset(instance->ld_ids, 0xff, MAX_LOGICAL_DRIVES_EXT); for (ld_index = 0; ld_index < ld_count; ld_index++) { if (ci->ldList[ld_index].state != 0) { ids = ci->ldList[ld_index].ref.targetId; - instance->ld_ids[ids] = - ci->ldList[ld_index].ref.targetId; + instance->ld_ids[ids] = ci->ldList[ld_index].ref.targetId; } } + + break; } - pci_free_consistent(instance->pdev, - sizeof(struct MR_LD_LIST), - ci, - ci_h); + pci_free_consistent(instance->pdev, sizeof(struct MR_LD_LIST), ci, ci_h); + + if (ret != DCMD_TIMEOUT) + megasas_return_cmd(instance, cmd); - megasas_return_cmd(instance, cmd); return ret; } @@ -4090,26 +4332,61 @@ megasas_ld_list_query(struct megasas_instance *instance, u8 query_type) dcmd->pad_0 = 0; if (instance->ctrl_context && !instance->mask_interrupts) - ret = megasas_issue_blocked_cmd(instance, cmd, - MEGASAS_BLOCKED_CMD_TIMEOUT); + ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS); else ret = megasas_issue_polled(instance, cmd); - tgtid_count = le32_to_cpu(ci->count); + switch (ret) { + case DCMD_FAILED: + dev_info(&instance->pdev->dev, + "DCMD not supported by firmware - %s %d\n", + __func__, __LINE__); + ret = megasas_get_ld_list(instance); + break; + case DCMD_TIMEOUT: + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + /* + * DCMD failed from AEN path. + * AEN path already hold reset_mutex to avoid PCI access + * while OCR is in progress. + */ + mutex_unlock(&instance->reset_mutex); + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + mutex_lock(&instance->reset_mutex); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", + __func__, __LINE__); + break; + } + + break; + case DCMD_SUCCESS: + tgtid_count = le32_to_cpu(ci->count); + + if ((tgtid_count > (instance->fw_supported_vd_count))) + break; - if ((ret == 0) && (tgtid_count <= (instance->fw_supported_vd_count))) { memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS); for (ld_index = 0; ld_index < tgtid_count; ld_index++) { ids = ci->targetId[ld_index]; instance->ld_ids[ids] = ci->targetId[ld_index]; } + break; } pci_free_consistent(instance->pdev, sizeof(struct MR_LD_TARGETID_LIST), - ci, ci_h); + ci, ci_h); - megasas_return_cmd(instance, cmd); + if (ret != DCMD_TIMEOUT) + megasas_return_cmd(instance, cmd); return ret; } @@ -4223,38 +4500,73 @@ megasas_get_ctrl_info(struct megasas_instance *instance) dcmd->mbox.b[0] = 1; if (instance->ctrl_context && !instance->mask_interrupts) - ret = megasas_issue_blocked_cmd(instance, cmd, - MEGASAS_BLOCKED_CMD_TIMEOUT); + ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS); else ret = megasas_issue_polled(instance, cmd); - if (!ret) { + switch (ret) { + case DCMD_SUCCESS: memcpy(ctrl_info, ci, sizeof(struct megasas_ctrl_info)); + /* Save required controller information in + * CPU endianness format. + */ le32_to_cpus((u32 *)&ctrl_info->properties.OnOffProperties); le32_to_cpus((u32 *)&ctrl_info->adapterOperations2); le32_to_cpus((u32 *)&ctrl_info->adapterOperations3); + + /* Update the latest Ext VD info. + * From Init path, store current firmware details. + * From OCR path, detect any firmware properties changes. + * in case of Firmware upgrade without system reboot. + */ megasas_update_ext_vd_details(instance); instance->use_seqnum_jbod_fp = ctrl_info->adapterOperations3.useSeqNumJbodFP; + + /*Check whether controller is iMR or MR */ instance->is_imr = (ctrl_info->memory_size ? 0 : 1); dev_info(&instance->pdev->dev, - "controller type\t: %s(%dMB)\n", - instance->is_imr ? "iMR" : "MR", - le16_to_cpu(ctrl_info->memory_size)); + "controller type\t: %s(%dMB)\n", + instance->is_imr ? "iMR" : "MR", + le16_to_cpu(ctrl_info->memory_size)); + instance->disableOnlineCtrlReset = ctrl_info->properties.OnOffProperties.disableOnlineCtrlReset; - dev_info(&instance->pdev->dev, "Online Controller Reset(OCR)\t: %s\n", - instance->disableOnlineCtrlReset ? "Disabled" : "Enabled"); instance->secure_jbod_support = ctrl_info->adapterOperations3.supportSecurityonJBOD; + dev_info(&instance->pdev->dev, "Online Controller Reset(OCR)\t: %s\n", + instance->disableOnlineCtrlReset ? "Disabled" : "Enabled"); dev_info(&instance->pdev->dev, "Secure JBOD support\t: %s\n", instance->secure_jbod_support ? "Yes" : "No"); + break; + + case DCMD_TIMEOUT: + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", + __func__, __LINE__); + break; + } + case DCMD_FAILED: + megaraid_sas_kill_hba(instance); + break; + } pci_free_consistent(instance->pdev, sizeof(struct megasas_ctrl_info), ci, ci_h); megasas_return_cmd(instance, cmd); + + return ret; } @@ -4304,12 +4616,28 @@ int megasas_set_crash_dump_params(struct megasas_instance *instance, dcmd->sgl.sge32[0].length = cpu_to_le32(CRASH_DMA_BUF_SIZE); if (instance->ctrl_context && !instance->mask_interrupts) - ret = megasas_issue_blocked_cmd(instance, cmd, - MEGASAS_BLOCKED_CMD_TIMEOUT); + ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS); else ret = megasas_issue_polled(instance, cmd); - megasas_return_cmd(instance, cmd); + if (ret == DCMD_TIMEOUT) { + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", + __func__, __LINE__); + break; + } + } else + megasas_return_cmd(instance, cmd); + return ret; } @@ -4426,6 +4754,7 @@ megasas_init_adapter_mfi(struct megasas_instance *instance) sema_init(&instance->ioctl_sem, (MEGASAS_MFI_IOCTL_CMDS)); } + instance->cur_can_queue = instance->max_scsi_cmds; /* * Create a pool of commands */ @@ -4712,7 +5041,6 @@ static int megasas_init_fw(struct megasas_instance *instance) case PCI_DEVICE_ID_DELL_PERC5: default: instance->instancet = &megasas_instance_template_xscale; - instance->allow_fw_scan = 1; break; } @@ -4756,6 +5084,9 @@ static int megasas_init_fw(struct megasas_instance *instance) instance->msix_vectors = ((scratch_pad_2 & MR_MAX_REPLY_QUEUES_EXT_OFFSET) >> MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT) + 1; + if (rdpq_enable) + instance->is_rdpq = (scratch_pad_2 & MR_RDPQ_MODE_OFFSET) ? + 1 : 0; fw_msix_count = instance->msix_vectors; /* Save 1-15 reply post index address to local memory * Index 0 is already saved from reg offset @@ -4792,6 +5123,8 @@ static int megasas_init_fw(struct megasas_instance *instance) dev_info(&instance->pdev->dev, "current msix/online cpus\t: (%d/%d)\n", instance->msix_vectors, (unsigned int)num_online_cpus()); + dev_info(&instance->pdev->dev, + "RDPQ mode\t: (%s)\n", instance->is_rdpq ? "enabled" : "disabled"); tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet, (unsigned long)instance); @@ -4856,7 +5189,9 @@ static int megasas_init_fw(struct megasas_instance *instance) tmp_sectors = min_t(u32, max_sectors_1, max_sectors_2); - instance->mpio = ctrl_info->adapterOperations2.mpio; + instance->peerIsPresent = ctrl_info->cluster.peerIsPresent; + instance->passive = ctrl_info->cluster.passive; + memcpy(instance->clusterId, ctrl_info->clusterId, sizeof(instance->clusterId)); instance->UnevenSpanSupport = ctrl_info->adapterOperations2.supportUnevenSpans; if (instance->UnevenSpanSupport) { @@ -4932,6 +5267,11 @@ static int megasas_init_fw(struct megasas_instance *instance) instance->throttlequeuedepth = MEGASAS_THROTTLE_QUEUE_DEPTH; + if (resetwaittime > MEGASAS_RESET_WAIT_TIME) + resetwaittime = MEGASAS_RESET_WAIT_TIME; + + if ((scmd_timeout < 10) || (scmd_timeout > MEGASAS_DEFAULT_CMD_TIMEOUT)) + scmd_timeout = MEGASAS_DEFAULT_CMD_TIMEOUT; /* Launch SR-IOV heartbeat timer */ if (instance->requestorId) { @@ -5035,10 +5375,8 @@ megasas_get_seq_num(struct megasas_instance *instance, dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(el_info_h); dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct megasas_evt_log_info)); - if (megasas_issue_blocked_cmd(instance, cmd, 30)) - dev_err(&instance->pdev->dev, "Command timedout" - "from %s\n", __func__); - else { + if (megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS) == + DCMD_SUCCESS) { /* * Copy the data back into callers buffer */ @@ -5047,7 +5385,9 @@ megasas_get_seq_num(struct megasas_instance *instance, eli->clear_seq_num = el_info->clear_seq_num; eli->shutdown_seq_num = el_info->shutdown_seq_num; eli->boot_seq_num = el_info->boot_seq_num; - } + } else + dev_err(&instance->pdev->dev, "DCMD failed " + "from %s\n", __func__); pci_free_consistent(instance->pdev, sizeof(struct megasas_evt_log_info), el_info, el_info_h); @@ -5262,6 +5602,8 @@ static int megasas_io_attach(struct megasas_instance *instance) if (instance->ctrl_context) { host->hostt->eh_device_reset_handler = NULL; host->hostt->eh_bus_reset_handler = NULL; + host->hostt->eh_target_reset_handler = megasas_reset_target_fusion; + host->hostt->eh_abort_handler = megasas_task_abort_fusion; } /* @@ -5447,7 +5789,7 @@ static int megasas_probe_one(struct pci_dev *pdev, instance->flag_ieee = 0; instance->ev = NULL; instance->issuepend_done = 1; - instance->adprecovery = MEGASAS_HBA_OPERATIONAL; + atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); instance->is_imr = 0; instance->evt_detail = pci_alloc_consistent(pdev, @@ -5461,6 +5803,12 @@ static int megasas_probe_one(struct pci_dev *pdev, goto fail_alloc_dma_buf; } + instance->pd_info = pci_alloc_consistent(pdev, + sizeof(struct MR_PD_INFO), &instance->pd_info_h); + + if (!instance->pd_info) + dev_err(&instance->pdev->dev, "Failed to alloc mem for pd_info\n"); + /* * Initialize locks and queues */ @@ -5476,8 +5824,8 @@ static int megasas_probe_one(struct pci_dev *pdev, spin_lock_init(&instance->hba_lock); spin_lock_init(&instance->completion_lock); - mutex_init(&instance->aen_mutex); mutex_init(&instance->reset_mutex); + mutex_init(&instance->hba_mutex); /* * Initialize PCI related and misc parameters @@ -5592,6 +5940,10 @@ fail_alloc_dma_buf: instance->evt_detail, instance->evt_detail_h); + if (instance->pd_info) + pci_free_consistent(pdev, sizeof(struct MR_PD_INFO), + instance->pd_info, + instance->pd_info_h); if (instance->producer) pci_free_consistent(pdev, sizeof(u32), instance->producer, instance->producer_h); @@ -5616,7 +5968,7 @@ static void megasas_flush_cache(struct megasas_instance *instance) struct megasas_cmd *cmd; struct megasas_dcmd_frame *dcmd; - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) return; cmd = megasas_get_cmd(instance); @@ -5638,9 +5990,12 @@ static void megasas_flush_cache(struct megasas_instance *instance) dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_CACHE_FLUSH); dcmd->mbox.b[0] = MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE; - if (megasas_issue_blocked_cmd(instance, cmd, 30)) - dev_err(&instance->pdev->dev, "Command timedout" - " from %s\n", __func__); + if (megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS) + != DCMD_SUCCESS) { + dev_err(&instance->pdev->dev, + "return from %s %d\n", __func__, __LINE__); + return; + } megasas_return_cmd(instance, cmd); } @@ -5656,7 +6011,7 @@ static void megasas_shutdown_controller(struct megasas_instance *instance, struct megasas_cmd *cmd; struct megasas_dcmd_frame *dcmd; - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) return; cmd = megasas_get_cmd(instance); @@ -5666,13 +6021,13 @@ static void megasas_shutdown_controller(struct megasas_instance *instance, if (instance->aen_cmd) megasas_issue_blocked_abort_cmd(instance, - instance->aen_cmd, MEGASAS_BLOCKED_CMD_TIMEOUT); + instance->aen_cmd, MFI_IO_TIMEOUT_SECS); if (instance->map_update_cmd) megasas_issue_blocked_abort_cmd(instance, - instance->map_update_cmd, MEGASAS_BLOCKED_CMD_TIMEOUT); + instance->map_update_cmd, MFI_IO_TIMEOUT_SECS); if (instance->jbod_seq_cmd) megasas_issue_blocked_abort_cmd(instance, - instance->jbod_seq_cmd, MEGASAS_BLOCKED_CMD_TIMEOUT); + instance->jbod_seq_cmd, MFI_IO_TIMEOUT_SECS); dcmd = &cmd->frame->dcmd; @@ -5687,9 +6042,12 @@ static void megasas_shutdown_controller(struct megasas_instance *instance, dcmd->data_xfer_len = 0; dcmd->opcode = cpu_to_le32(opcode); - if (megasas_issue_blocked_cmd(instance, cmd, 30)) - dev_err(&instance->pdev->dev, "Command timedout" - "from %s\n", __func__); + if (megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS) + != DCMD_SUCCESS) { + dev_err(&instance->pdev->dev, + "return from %s %d\n", __func__, __LINE__); + return; + } megasas_return_cmd(instance, cmd); } @@ -5847,6 +6205,10 @@ fail_init_mfi: instance->evt_detail, instance->evt_detail_h); + if (instance->pd_info) + pci_free_consistent(pdev, sizeof(struct MR_PD_INFO), + instance->pd_info, + instance->pd_info_h); if (instance->producer) pci_free_consistent(pdev, sizeof(u32), instance->producer, instance->producer_h); @@ -5941,11 +6303,11 @@ static void megasas_detach_one(struct pci_dev *pdev) if (fusion->ld_drv_map[i]) free_pages((ulong)fusion->ld_drv_map[i], fusion->drv_map_pages); - if (fusion->pd_seq_sync) - dma_free_coherent(&instance->pdev->dev, - pd_seq_map_sz, - fusion->pd_seq_sync[i], - fusion->pd_seq_phys[i]); + if (fusion->pd_seq_sync[i]) + dma_free_coherent(&instance->pdev->dev, + pd_seq_map_sz, + fusion->pd_seq_sync[i], + fusion->pd_seq_phys[i]); } free_pages((ulong)instance->ctrl_context, instance->ctrl_context_pages); @@ -5965,6 +6327,10 @@ static void megasas_detach_one(struct pci_dev *pdev) pci_free_consistent(pdev, sizeof(struct megasas_evt_detail), instance->evt_detail, instance->evt_detail_h); + if (instance->pd_info) + pci_free_consistent(pdev, sizeof(struct MR_PD_INFO), + instance->pd_info, + instance->pd_info_h); if (instance->vf_affiliation) pci_free_consistent(pdev, (MAX_LOGICAL_DRIVES + 1) * sizeof(struct MR_LD_VF_AFFILIATION), @@ -6090,7 +6456,7 @@ static int megasas_set_crash_dump_params_ioctl(struct megasas_cmd *cmd) for (i = 0; i < megasas_mgmt_info.max_index; i++) { local_instance = megasas_mgmt_info.instance[i]; if (local_instance && local_instance->crash_dump_drv_support) { - if ((local_instance->adprecovery == + if ((atomic_read(&local_instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) && !megasas_set_crash_dump_params(local_instance, crash_support)) { @@ -6227,7 +6593,15 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, * cmd to the SCSI mid-layer */ cmd->sync_cmd = 1; - megasas_issue_blocked_cmd(instance, cmd, 0); + if (megasas_issue_blocked_cmd(instance, cmd, 0) == DCMD_NOT_FIRED) { + cmd->sync_cmd = 0; + dev_err(&instance->pdev->dev, + "return -EBUSY from %s %d opcode 0x%x cmd->cmd_status_drv 0x%x\n", + __func__, __LINE__, cmd->frame->dcmd.opcode, + cmd->cmd_status_drv); + return -EBUSY; + } + cmd->sync_cmd = 0; if (instance->unload == 1) { @@ -6331,7 +6705,7 @@ static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg) goto out_kfree_ioc; } - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { dev_err(&instance->pdev->dev, "Controller in crit error\n"); error = -ENODEV; goto out_kfree_ioc; @@ -6350,7 +6724,7 @@ static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg) for (i = 0; i < wait_time; i++) { spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) { spin_unlock_irqrestore(&instance->hba_lock, flags); break; } @@ -6365,7 +6739,7 @@ static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg) } spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { spin_unlock_irqrestore(&instance->hba_lock, flags); dev_err(&instance->pdev->dev, "timed out while" @@ -6407,7 +6781,7 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg) if (!instance) return -ENODEV; - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { return -ENODEV; } @@ -6418,7 +6792,7 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg) for (i = 0; i < wait_time; i++) { spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) { spin_unlock_irqrestore(&instance->hba_lock, flags); break; @@ -6435,7 +6809,7 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg) } spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { spin_unlock_irqrestore(&instance->hba_lock, flags); dev_err(&instance->pdev->dev, "timed out while waiting" "for HBA to recover\n"); @@ -6443,10 +6817,10 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg) } spin_unlock_irqrestore(&instance->hba_lock, flags); - mutex_lock(&instance->aen_mutex); + mutex_lock(&instance->reset_mutex); error = megasas_register_aen(instance, aen.seq_num, aen.class_locale_word); - mutex_unlock(&instance->aen_mutex); + mutex_unlock(&instance->reset_mutex); return error; } @@ -6477,9 +6851,9 @@ static int megasas_mgmt_compat_ioctl_fw(struct file *file, unsigned long arg) int i; int error = 0; compat_uptr_t ptr; - unsigned long local_raw_ptr; u32 local_sense_off; u32 local_sense_len; + u32 user_sense_off; if (clear_user(ioc, sizeof(*ioc))) return -EFAULT; @@ -6497,17 +6871,16 @@ static int megasas_mgmt_compat_ioctl_fw(struct file *file, unsigned long arg) * sense_len is not null, so prepare the 64bit value under * the same condition. */ - if (get_user(local_raw_ptr, ioc->frame.raw) || - get_user(local_sense_off, &ioc->sense_off) || - get_user(local_sense_len, &ioc->sense_len)) + if (get_user(local_sense_off, &ioc->sense_off) || + get_user(local_sense_len, &ioc->sense_len) || + get_user(user_sense_off, &cioc->sense_off)) return -EFAULT; - if (local_sense_len) { void __user **sense_ioc_ptr = - (void __user **)((u8*)local_raw_ptr + local_sense_off); + (void __user **)((u8 *)((unsigned long)&ioc->frame.raw) + local_sense_off); compat_uptr_t *sense_cioc_ptr = - (compat_uptr_t *)(cioc->frame.raw + cioc->sense_off); + (compat_uptr_t *)(((unsigned long)&cioc->frame.raw) + user_sense_off); if (get_user(ptr, sense_cioc_ptr) || put_user(compat_ptr(ptr), sense_ioc_ptr)) return -EFAULT; @@ -6648,6 +7021,7 @@ megasas_aen_polling(struct work_struct *work) int i, j, doscan = 0; u32 seq_num, wait_time = MEGASAS_RESET_WAIT_TIME; int error; + u8 dcmd_ret = DCMD_SUCCESS; if (!instance) { printk(KERN_ERR "invalid instance!\n"); @@ -6660,16 +7034,7 @@ megasas_aen_polling(struct work_struct *work) wait_time = MEGASAS_ROUTINE_WAIT_TIME_VF; /* Don't run the event workqueue thread if OCR is running */ - for (i = 0; i < wait_time; i++) { - if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) - break; - if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { - dev_notice(&instance->pdev->dev, "%s waiting for " - "controller reset to finish for scsi%d\n", - __func__, instance->host->host_no); - } - msleep(1000); - } + mutex_lock(&instance->reset_mutex); instance->ev = NULL; host = instance->host; @@ -6677,212 +7042,127 @@ megasas_aen_polling(struct work_struct *work) megasas_decode_evt(instance); switch (le32_to_cpu(instance->evt_detail->code)) { - case MR_EVT_PD_INSERTED: - if (megasas_get_pd_list(instance) == 0) { - for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) { - for (j = 0; - j < MEGASAS_MAX_DEV_PER_CHANNEL; - j++) { - - pd_index = - (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; - - sdev1 = scsi_device_lookup(host, i, j, 0); - - if (instance->pd_list[pd_index].driveState - == MR_PD_STATE_SYSTEM) { - if (!sdev1) - scsi_add_device(host, i, j, 0); - - if (sdev1) - scsi_device_put(sdev1); - } - } - } - } - doscan = 0; - break; + case MR_EVT_PD_INSERTED: case MR_EVT_PD_REMOVED: - if (megasas_get_pd_list(instance) == 0) { - for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) { - for (j = 0; - j < MEGASAS_MAX_DEV_PER_CHANNEL; - j++) { - - pd_index = - (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; - - sdev1 = scsi_device_lookup(host, i, j, 0); - - if (instance->pd_list[pd_index].driveState - == MR_PD_STATE_SYSTEM) { - if (sdev1) - scsi_device_put(sdev1); - } else { - if (sdev1) { - scsi_remove_device(sdev1); - scsi_device_put(sdev1); - } - } - } - } - } - doscan = 0; + dcmd_ret = megasas_get_pd_list(instance); + if (dcmd_ret == DCMD_SUCCESS) + doscan = SCAN_PD_CHANNEL; break; case MR_EVT_LD_OFFLINE: case MR_EVT_CFG_CLEARED: case MR_EVT_LD_DELETED: - if (!instance->requestorId || - megasas_get_ld_vf_affiliation(instance, 0)) { - if (megasas_ld_list_query(instance, - MR_LD_QUERY_TYPE_EXPOSED_TO_HOST)) - megasas_get_ld_list(instance); - for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) { - for (j = 0; - j < MEGASAS_MAX_DEV_PER_CHANNEL; - j++) { - - ld_index = - (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; - - sdev1 = scsi_device_lookup(host, MEGASAS_MAX_PD_CHANNELS + i, j, 0); - - if (instance->ld_ids[ld_index] - != 0xff) { - if (sdev1) - scsi_device_put(sdev1); - } else { - if (sdev1) { - scsi_remove_device(sdev1); - scsi_device_put(sdev1); - } - } - } - } - doscan = 0; - } - break; case MR_EVT_LD_CREATED: if (!instance->requestorId || - megasas_get_ld_vf_affiliation(instance, 0)) { - if (megasas_ld_list_query(instance, - MR_LD_QUERY_TYPE_EXPOSED_TO_HOST)) - megasas_get_ld_list(instance); - for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) { - for (j = 0; - j < MEGASAS_MAX_DEV_PER_CHANNEL; - j++) { - ld_index = - (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; - - sdev1 = scsi_device_lookup(host, MEGASAS_MAX_PD_CHANNELS + i, j, 0); - - if (instance->ld_ids[ld_index] - != 0xff) { - if (!sdev1) - scsi_add_device(host, MEGASAS_MAX_PD_CHANNELS + i, j, 0); - } - if (sdev1) - scsi_device_put(sdev1); - } - } - doscan = 0; - } + (instance->requestorId && megasas_get_ld_vf_affiliation(instance, 0))) + dcmd_ret = megasas_ld_list_query(instance, MR_LD_QUERY_TYPE_EXPOSED_TO_HOST); + + if (dcmd_ret == DCMD_SUCCESS) + doscan = SCAN_VD_CHANNEL; + break; + case MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED: case MR_EVT_FOREIGN_CFG_IMPORTED: case MR_EVT_LD_STATE_CHANGE: - doscan = 1; + dcmd_ret = megasas_get_pd_list(instance); + + if (dcmd_ret != DCMD_SUCCESS) + break; + + if (!instance->requestorId || + (instance->requestorId && megasas_get_ld_vf_affiliation(instance, 0))) + dcmd_ret = megasas_ld_list_query(instance, MR_LD_QUERY_TYPE_EXPOSED_TO_HOST); + + if (dcmd_ret != DCMD_SUCCESS) + break; + + doscan = SCAN_VD_CHANNEL | SCAN_PD_CHANNEL; + dev_info(&instance->pdev->dev, "scanning for scsi%d...\n", + instance->host->host_no); break; + case MR_EVT_CTRL_PROP_CHANGED: - megasas_get_ctrl_info(instance); - break; + dcmd_ret = megasas_get_ctrl_info(instance); + break; default: doscan = 0; break; } } else { dev_err(&instance->pdev->dev, "invalid evt_detail!\n"); + mutex_unlock(&instance->reset_mutex); kfree(ev); return; } - if (doscan) { - dev_info(&instance->pdev->dev, "scanning for scsi%d...\n", - instance->host->host_no); - if (megasas_get_pd_list(instance) == 0) { - for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) { - for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) { - pd_index = i*MEGASAS_MAX_DEV_PER_CHANNEL + j; - sdev1 = scsi_device_lookup(host, i, j, 0); - if (instance->pd_list[pd_index].driveState == - MR_PD_STATE_SYSTEM) { - if (!sdev1) { - scsi_add_device(host, i, j, 0); - } - if (sdev1) - scsi_device_put(sdev1); - } else { - if (sdev1) { - scsi_remove_device(sdev1); - scsi_device_put(sdev1); - } + mutex_unlock(&instance->reset_mutex); + + if (doscan & SCAN_PD_CHANNEL) { + for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) { + for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) { + pd_index = i*MEGASAS_MAX_DEV_PER_CHANNEL + j; + sdev1 = scsi_device_lookup(host, i, j, 0); + if (instance->pd_list[pd_index].driveState == + MR_PD_STATE_SYSTEM) { + if (!sdev1) + scsi_add_device(host, i, j, 0); + else + scsi_device_put(sdev1); + } else { + if (sdev1) { + scsi_remove_device(sdev1); + scsi_device_put(sdev1); } } } } + } - if (!instance->requestorId || - megasas_get_ld_vf_affiliation(instance, 0)) { - if (megasas_ld_list_query(instance, - MR_LD_QUERY_TYPE_EXPOSED_TO_HOST)) - megasas_get_ld_list(instance); - for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) { - for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; - j++) { - ld_index = - (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; - - sdev1 = scsi_device_lookup(host, - MEGASAS_MAX_PD_CHANNELS + i, j, 0); - if (instance->ld_ids[ld_index] - != 0xff) { - if (!sdev1) - scsi_add_device(host, MEGASAS_MAX_PD_CHANNELS + i, j, 0); - else - scsi_device_put(sdev1); - } else { - if (sdev1) { - scsi_remove_device(sdev1); - scsi_device_put(sdev1); - } + if (doscan & SCAN_VD_CHANNEL) { + for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) { + for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) { + ld_index = (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; + sdev1 = scsi_device_lookup(host, MEGASAS_MAX_PD_CHANNELS + i, j, 0); + if (instance->ld_ids[ld_index] != 0xff) { + if (!sdev1) + scsi_add_device(host, MEGASAS_MAX_PD_CHANNELS + i, j, 0); + else + scsi_device_put(sdev1); + } else { + if (sdev1) { + scsi_remove_device(sdev1); + scsi_device_put(sdev1); } } } } } - if (instance->aen_cmd != NULL) { - kfree(ev); - return ; - } - - seq_num = le32_to_cpu(instance->evt_detail->seq_num) + 1; + if (dcmd_ret == DCMD_SUCCESS) + seq_num = le32_to_cpu(instance->evt_detail->seq_num) + 1; + else + seq_num = instance->last_seq_num; /* Register AEN with FW for latest sequence number plus 1 */ class_locale.members.reserved = 0; class_locale.members.locale = MR_EVT_LOCALE_ALL; class_locale.members.class = MR_EVT_CLASS_DEBUG; - mutex_lock(&instance->aen_mutex); + + if (instance->aen_cmd != NULL) { + kfree(ev); + return; + } + + mutex_lock(&instance->reset_mutex); error = megasas_register_aen(instance, seq_num, class_locale.word); - mutex_unlock(&instance->aen_mutex); - if (error) - dev_err(&instance->pdev->dev, "register aen failed error %x\n", error); + dev_err(&instance->pdev->dev, + "register aen failed error %x\n", error); + mutex_unlock(&instance->reset_mutex); kfree(ev); } diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c index 741509b35..e413113c8 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fp.c +++ b/drivers/scsi/megaraid/megaraid_sas_fp.c @@ -1020,6 +1020,8 @@ MR_BuildRaidContext(struct megasas_instance *instance, /* assume this IO needs the full row - we'll adjust if not true */ regSize = stripSize; + io_info->do_fp_rlbypass = raid->capability.fpBypassRegionLock; + /* Check if we can send this I/O via FastPath */ if (raid->capability.fpCapable) { if (isRead) diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 8d630a552..98a848bdf 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -91,7 +91,10 @@ void megasas_start_timer(struct megasas_instance *instance, struct timer_list *timer, void *fn, unsigned long interval); extern struct megasas_mgmt_info megasas_mgmt_info; -extern int resetwaittime; +extern unsigned int resetwaittime; +extern unsigned int dual_qdepth_disable; +static void megasas_free_rdpq_fusion(struct megasas_instance *instance); +static void megasas_free_reply_fusion(struct megasas_instance *instance); @@ -201,58 +204,72 @@ megasas_fire_cmd_fusion(struct megasas_instance *instance, &instance->reg_set->inbound_low_queue_port); writel(le32_to_cpu(req_desc->u.high), &instance->reg_set->inbound_high_queue_port); + mmiowb(); spin_unlock_irqrestore(&instance->hba_lock, flags); #endif } - /** - * megasas_teardown_frame_pool_fusion - Destroy the cmd frame DMA pool - * @instance: Adapter soft state + * megasas_fusion_update_can_queue - Do all Adapter Queue depth related calculations here + * @instance: Adapter soft state + * fw_boot_context: Whether this function called during probe or after OCR + * + * This function is only for fusion controllers. + * Update host can queue, if firmware downgrade max supported firmware commands. + * Firmware upgrade case will be skiped because underlying firmware has + * more resource than exposed to the OS. + * */ -static void megasas_teardown_frame_pool_fusion( - struct megasas_instance *instance) +static void +megasas_fusion_update_can_queue(struct megasas_instance *instance, int fw_boot_context) { - int i; - struct fusion_context *fusion = instance->ctrl_context; - - u16 max_cmd = instance->max_fw_cmds; + u16 cur_max_fw_cmds = 0; + u16 ldio_threshold = 0; + struct megasas_register_set __iomem *reg_set; - struct megasas_cmd_fusion *cmd; + reg_set = instance->reg_set; - if (!fusion->sg_dma_pool || !fusion->sense_dma_pool) { - dev_err(&instance->pdev->dev, "dma pool is null. SG Pool %p, " - "sense pool : %p\n", fusion->sg_dma_pool, - fusion->sense_dma_pool); - return; - } + cur_max_fw_cmds = readl(&instance->reg_set->outbound_scratch_pad_3) & 0x00FFFF; - /* - * Return all frames to pool - */ - for (i = 0; i < max_cmd; i++) { + if (dual_qdepth_disable || !cur_max_fw_cmds) + cur_max_fw_cmds = instance->instancet->read_fw_status_reg(reg_set) & 0x00FFFF; + else + ldio_threshold = + (instance->instancet->read_fw_status_reg(reg_set) & 0x00FFFF) - MEGASAS_FUSION_IOCTL_CMDS; + + dev_info(&instance->pdev->dev, + "Current firmware maximum commands: %d\t LDIO threshold: %d\n", + cur_max_fw_cmds, ldio_threshold); + + if (fw_boot_context == OCR_CONTEXT) { + cur_max_fw_cmds = cur_max_fw_cmds - 1; + if (cur_max_fw_cmds <= instance->max_fw_cmds) { + instance->cur_can_queue = + cur_max_fw_cmds - (MEGASAS_FUSION_INTERNAL_CMDS + + MEGASAS_FUSION_IOCTL_CMDS); + instance->host->can_queue = instance->cur_can_queue; + instance->ldio_threshold = ldio_threshold; + } + } else { + instance->max_fw_cmds = cur_max_fw_cmds; + instance->ldio_threshold = ldio_threshold; - cmd = fusion->cmd_list[i]; + if (!instance->is_rdpq) + instance->max_fw_cmds = min_t(u16, instance->max_fw_cmds, 1024); - if (cmd->sg_frame) - pci_pool_free(fusion->sg_dma_pool, cmd->sg_frame, - cmd->sg_frame_phys_addr); + /* + * Reduce the max supported cmds by 1. This is to ensure that the + * reply_q_sz (1 more than the max cmd that driver may send) + * does not exceed max cmds that the FW can support + */ + instance->max_fw_cmds = instance->max_fw_cmds-1; - if (cmd->sense) - pci_pool_free(fusion->sense_dma_pool, cmd->sense, - cmd->sense_phys_addr); + instance->max_scsi_cmds = instance->max_fw_cmds - + (MEGASAS_FUSION_INTERNAL_CMDS + + MEGASAS_FUSION_IOCTL_CMDS); + instance->cur_can_queue = instance->max_scsi_cmds; } - - /* - * Now destroy the pool itself - */ - pci_pool_destroy(fusion->sg_dma_pool); - pci_pool_destroy(fusion->sense_dma_pool); - - fusion->sg_dma_pool = NULL; - fusion->sense_dma_pool = NULL; } - /** * megasas_free_cmds_fusion - Free all the cmds in the free cmd pool * @instance: Adapter soft state @@ -262,55 +279,65 @@ megasas_free_cmds_fusion(struct megasas_instance *instance) { int i; struct fusion_context *fusion = instance->ctrl_context; + struct megasas_cmd_fusion *cmd; - u32 max_cmds, req_sz, reply_sz, io_frames_sz; + /* SG, Sense */ + for (i = 0; i < instance->max_fw_cmds; i++) { + cmd = fusion->cmd_list[i]; + if (cmd) { + if (cmd->sg_frame) + pci_pool_free(fusion->sg_dma_pool, cmd->sg_frame, + cmd->sg_frame_phys_addr); + if (cmd->sense) + pci_pool_free(fusion->sense_dma_pool, cmd->sense, + cmd->sense_phys_addr); + } + } + if (fusion->sg_dma_pool) { + pci_pool_destroy(fusion->sg_dma_pool); + fusion->sg_dma_pool = NULL; + } + if (fusion->sense_dma_pool) { + pci_pool_destroy(fusion->sense_dma_pool); + fusion->sense_dma_pool = NULL; + } - req_sz = fusion->request_alloc_sz; - reply_sz = fusion->reply_alloc_sz; - io_frames_sz = fusion->io_frames_alloc_sz; - max_cmds = instance->max_fw_cmds; + /* Reply Frame, Desc*/ + if (instance->is_rdpq) + megasas_free_rdpq_fusion(instance); + else + megasas_free_reply_fusion(instance); - /* Free descriptors and request Frames memory */ + /* Request Frame, Desc*/ if (fusion->req_frames_desc) - dma_free_coherent(&instance->pdev->dev, req_sz, - fusion->req_frames_desc, - fusion->req_frames_desc_phys); - - if (fusion->reply_frames_desc) { - pci_pool_free(fusion->reply_frames_desc_pool, - fusion->reply_frames_desc, - fusion->reply_frames_desc_phys); - pci_pool_destroy(fusion->reply_frames_desc_pool); - } - - if (fusion->io_request_frames) { + dma_free_coherent(&instance->pdev->dev, + fusion->request_alloc_sz, fusion->req_frames_desc, + fusion->req_frames_desc_phys); + if (fusion->io_request_frames) pci_pool_free(fusion->io_request_frames_pool, - fusion->io_request_frames, - fusion->io_request_frames_phys); + fusion->io_request_frames, + fusion->io_request_frames_phys); + if (fusion->io_request_frames_pool) { pci_pool_destroy(fusion->io_request_frames_pool); + fusion->io_request_frames_pool = NULL; } - /* Free the Fusion frame pool */ - megasas_teardown_frame_pool_fusion(instance); - /* Free all the commands in the cmd_list */ - for (i = 0; i < max_cmds; i++) + /* cmd_list */ + for (i = 0; i < instance->max_fw_cmds; i++) kfree(fusion->cmd_list[i]); - /* Free the cmd_list buffer itself */ kfree(fusion->cmd_list); - fusion->cmd_list = NULL; - } /** - * megasas_create_frame_pool_fusion - Creates DMA pool for cmd frames + * megasas_create_sg_sense_fusion - Creates DMA pool for cmd frames * @instance: Adapter soft state * */ -static int megasas_create_frame_pool_fusion(struct megasas_instance *instance) +static int megasas_create_sg_sense_fusion(struct megasas_instance *instance) { int i; u32 max_cmd; @@ -321,25 +348,17 @@ static int megasas_create_frame_pool_fusion(struct megasas_instance *instance) max_cmd = instance->max_fw_cmds; - /* - * Use DMA pool facility provided by PCI layer - */ - - fusion->sg_dma_pool = pci_pool_create("sg_pool_fusion", instance->pdev, - instance->max_chain_frame_sz, - 4, 0); - if (!fusion->sg_dma_pool) { - dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup request pool fusion\n"); - return -ENOMEM; - } - fusion->sense_dma_pool = pci_pool_create("sense pool fusion", - instance->pdev, - SCSI_SENSE_BUFFERSIZE, 64, 0); + fusion->sg_dma_pool = + pci_pool_create("mr_sg", instance->pdev, + instance->max_chain_frame_sz, 4, 0); + /* SCSI_SENSE_BUFFERSIZE = 96 bytes */ + fusion->sense_dma_pool = + pci_pool_create("mr_sense", instance->pdev, + SCSI_SENSE_BUFFERSIZE, 64, 0); - if (!fusion->sense_dma_pool) { - dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup sense pool fusion\n"); - pci_pool_destroy(fusion->sg_dma_pool); - fusion->sg_dma_pool = NULL; + if (!fusion->sense_dma_pool || !fusion->sg_dma_pool) { + dev_err(&instance->pdev->dev, + "Failed from %s %d\n", __func__, __LINE__); return -ENOMEM; } @@ -347,160 +366,280 @@ static int megasas_create_frame_pool_fusion(struct megasas_instance *instance) * Allocate and attach a frame to each of the commands in cmd_list */ for (i = 0; i < max_cmd; i++) { - cmd = fusion->cmd_list[i]; - cmd->sg_frame = pci_pool_alloc(fusion->sg_dma_pool, - GFP_KERNEL, - &cmd->sg_frame_phys_addr); + GFP_KERNEL, &cmd->sg_frame_phys_addr); cmd->sense = pci_pool_alloc(fusion->sense_dma_pool, - GFP_KERNEL, &cmd->sense_phys_addr); - /* - * megasas_teardown_frame_pool_fusion() takes care of freeing - * whatever has been allocated - */ + GFP_KERNEL, &cmd->sense_phys_addr); if (!cmd->sg_frame || !cmd->sense) { - dev_printk(KERN_DEBUG, &instance->pdev->dev, "pci_pool_alloc failed\n"); - megasas_teardown_frame_pool_fusion(instance); + dev_err(&instance->pdev->dev, + "Failed from %s %d\n", __func__, __LINE__); return -ENOMEM; } } return 0; } -/** - * megasas_alloc_cmds_fusion - Allocates the command packets - * @instance: Adapter soft state - * - * - * Each frame has a 32-bit field called context. This context is used to get - * back the megasas_cmd_fusion from the frame when a frame gets completed - * In this driver, the 32 bit values are the indices into an array cmd_list. - * This array is used only to look up the megasas_cmd_fusion given the context. - * The free commands themselves are maintained in a linked list called cmd_pool. - * - * cmds are formed in the io_request and sg_frame members of the - * megasas_cmd_fusion. The context field is used to get a request descriptor - * and is used as SMID of the cmd. - * SMID value range is from 1 to max_fw_cmds. - */ int -megasas_alloc_cmds_fusion(struct megasas_instance *instance) +megasas_alloc_cmdlist_fusion(struct megasas_instance *instance) { - int i, j, count; - u32 max_cmd, io_frames_sz; + u32 max_cmd, i; struct fusion_context *fusion; - struct megasas_cmd_fusion *cmd; - union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; - u32 offset; - dma_addr_t io_req_base_phys; - u8 *io_req_base; fusion = instance->ctrl_context; max_cmd = instance->max_fw_cmds; + /* + * fusion->cmd_list is an array of struct megasas_cmd_fusion pointers. + * Allocate the dynamic array first and then allocate individual + * commands. + */ + fusion->cmd_list = kzalloc(sizeof(struct megasas_cmd_fusion *) * max_cmd, + GFP_KERNEL); + if (!fusion->cmd_list) { + dev_err(&instance->pdev->dev, + "Failed from %s %d\n", __func__, __LINE__); + return -ENOMEM; + } + + for (i = 0; i < max_cmd; i++) { + fusion->cmd_list[i] = kzalloc(sizeof(struct megasas_cmd_fusion), + GFP_KERNEL); + if (!fusion->cmd_list[i]) { + dev_err(&instance->pdev->dev, + "Failed from %s %d\n", __func__, __LINE__); + return -ENOMEM; + } + } + return 0; +} +int +megasas_alloc_request_fusion(struct megasas_instance *instance) +{ + struct fusion_context *fusion; + + fusion = instance->ctrl_context; + fusion->req_frames_desc = dma_alloc_coherent(&instance->pdev->dev, - fusion->request_alloc_sz, - &fusion->req_frames_desc_phys, GFP_KERNEL); - + fusion->request_alloc_sz, + &fusion->req_frames_desc_phys, GFP_KERNEL); if (!fusion->req_frames_desc) { - dev_err(&instance->pdev->dev, "Could not allocate memory for " - "request_frames\n"); - goto fail_req_desc; + dev_err(&instance->pdev->dev, + "Failed from %s %d\n", __func__, __LINE__); + return -ENOMEM; } + fusion->io_request_frames_pool = + pci_pool_create("mr_ioreq", instance->pdev, + fusion->io_frames_alloc_sz, 16, 0); + + if (!fusion->io_request_frames_pool) { + dev_err(&instance->pdev->dev, + "Failed from %s %d\n", __func__, __LINE__); + return -ENOMEM; + } + + fusion->io_request_frames = + pci_pool_alloc(fusion->io_request_frames_pool, + GFP_KERNEL, &fusion->io_request_frames_phys); + if (!fusion->io_request_frames) { + dev_err(&instance->pdev->dev, + "Failed from %s %d\n", __func__, __LINE__); + return -ENOMEM; + } + return 0; +} + +int +megasas_alloc_reply_fusion(struct megasas_instance *instance) +{ + int i, count; + struct fusion_context *fusion; + union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; + fusion = instance->ctrl_context; + count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; fusion->reply_frames_desc_pool = - pci_pool_create("reply_frames pool", instance->pdev, + pci_pool_create("mr_reply", instance->pdev, fusion->reply_alloc_sz * count, 16, 0); if (!fusion->reply_frames_desc_pool) { - dev_err(&instance->pdev->dev, "Could not allocate memory for " - "reply_frame pool\n"); - goto fail_reply_desc; + dev_err(&instance->pdev->dev, + "Failed from %s %d\n", __func__, __LINE__); + return -ENOMEM; } - fusion->reply_frames_desc = - pci_pool_alloc(fusion->reply_frames_desc_pool, GFP_KERNEL, - &fusion->reply_frames_desc_phys); - if (!fusion->reply_frames_desc) { - dev_err(&instance->pdev->dev, "Could not allocate memory for " - "reply_frame pool\n"); - pci_pool_destroy(fusion->reply_frames_desc_pool); - goto fail_reply_desc; + fusion->reply_frames_desc[0] = + pci_pool_alloc(fusion->reply_frames_desc_pool, + GFP_KERNEL, &fusion->reply_frames_desc_phys[0]); + if (!fusion->reply_frames_desc[0]) { + dev_err(&instance->pdev->dev, + "Failed from %s %d\n", __func__, __LINE__); + return -ENOMEM; } - - reply_desc = fusion->reply_frames_desc; + reply_desc = fusion->reply_frames_desc[0]; for (i = 0; i < fusion->reply_q_depth * count; i++, reply_desc++) reply_desc->Words = cpu_to_le64(ULLONG_MAX); - io_frames_sz = fusion->io_frames_alloc_sz; + /* This is not a rdpq mode, but driver still populate + * reply_frame_desc array to use same msix index in ISR path. + */ + for (i = 0; i < (count - 1); i++) + fusion->reply_frames_desc[i + 1] = + fusion->reply_frames_desc[i] + + (fusion->reply_alloc_sz)/sizeof(union MPI2_REPLY_DESCRIPTORS_UNION); + + return 0; +} - fusion->io_request_frames_pool = - pci_pool_create("io_request_frames pool", instance->pdev, - fusion->io_frames_alloc_sz, 16, 0); +int +megasas_alloc_rdpq_fusion(struct megasas_instance *instance) +{ + int i, j, count; + struct fusion_context *fusion; + union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; - if (!fusion->io_request_frames_pool) { - dev_err(&instance->pdev->dev, "Could not allocate memory for " - "io_request_frame pool\n"); - goto fail_io_frames; + fusion = instance->ctrl_context; + + fusion->rdpq_virt = pci_alloc_consistent(instance->pdev, + sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION, + &fusion->rdpq_phys); + if (!fusion->rdpq_virt) { + dev_err(&instance->pdev->dev, + "Failed from %s %d\n", __func__, __LINE__); + return -ENOMEM; } - fusion->io_request_frames = - pci_pool_alloc(fusion->io_request_frames_pool, GFP_KERNEL, - &fusion->io_request_frames_phys); - if (!fusion->io_request_frames) { - dev_err(&instance->pdev->dev, "Could not allocate memory for " - "io_request_frames frames\n"); - pci_pool_destroy(fusion->io_request_frames_pool); - goto fail_io_frames; + memset(fusion->rdpq_virt, 0, + sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION); + count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; + fusion->reply_frames_desc_pool = pci_pool_create("mr_rdpq", + instance->pdev, fusion->reply_alloc_sz, 16, 0); + + if (!fusion->reply_frames_desc_pool) { + dev_err(&instance->pdev->dev, + "Failed from %s %d\n", __func__, __LINE__); + return -ENOMEM; } - /* - * fusion->cmd_list is an array of struct megasas_cmd_fusion pointers. - * Allocate the dynamic array first and then allocate individual - * commands. - */ - fusion->cmd_list = kzalloc(sizeof(struct megasas_cmd_fusion *) - * max_cmd, GFP_KERNEL); + for (i = 0; i < count; i++) { + fusion->reply_frames_desc[i] = + pci_pool_alloc(fusion->reply_frames_desc_pool, + GFP_KERNEL, &fusion->reply_frames_desc_phys[i]); + if (!fusion->reply_frames_desc[i]) { + dev_err(&instance->pdev->dev, + "Failed from %s %d\n", __func__, __LINE__); + return -ENOMEM; + } - if (!fusion->cmd_list) { - dev_printk(KERN_DEBUG, &instance->pdev->dev, "out of memory. Could not alloc " - "memory for cmd_list_fusion\n"); - goto fail_cmd_list; + fusion->rdpq_virt[i].RDPQBaseAddress = + fusion->reply_frames_desc_phys[i]; + + reply_desc = fusion->reply_frames_desc[i]; + for (j = 0; j < fusion->reply_q_depth; j++, reply_desc++) + reply_desc->Words = cpu_to_le64(ULLONG_MAX); } + return 0; +} - max_cmd = instance->max_fw_cmds; - for (i = 0; i < max_cmd; i++) { - fusion->cmd_list[i] = kmalloc(sizeof(struct megasas_cmd_fusion), - GFP_KERNEL); - if (!fusion->cmd_list[i]) { - dev_err(&instance->pdev->dev, "Could not alloc cmd list fusion\n"); +static void +megasas_free_rdpq_fusion(struct megasas_instance *instance) { - for (j = 0; j < i; j++) - kfree(fusion->cmd_list[j]); + int i; + struct fusion_context *fusion; - kfree(fusion->cmd_list); - fusion->cmd_list = NULL; - goto fail_cmd_list; - } + fusion = instance->ctrl_context; + + for (i = 0; i < MAX_MSIX_QUEUES_FUSION; i++) { + if (fusion->reply_frames_desc[i]) + pci_pool_free(fusion->reply_frames_desc_pool, + fusion->reply_frames_desc[i], + fusion->reply_frames_desc_phys[i]); } - /* The first 256 bytes (SMID 0) is not used. Don't add to cmd list */ - io_req_base = fusion->io_request_frames + - MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; - io_req_base_phys = fusion->io_request_frames_phys + - MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; + if (fusion->reply_frames_desc_pool) + pci_pool_destroy(fusion->reply_frames_desc_pool); + + if (fusion->rdpq_virt) + pci_free_consistent(instance->pdev, + sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION, + fusion->rdpq_virt, fusion->rdpq_phys); +} + +static void +megasas_free_reply_fusion(struct megasas_instance *instance) { + + struct fusion_context *fusion; + + fusion = instance->ctrl_context; + + if (fusion->reply_frames_desc[0]) + pci_pool_free(fusion->reply_frames_desc_pool, + fusion->reply_frames_desc[0], + fusion->reply_frames_desc_phys[0]); + + if (fusion->reply_frames_desc_pool) + pci_pool_destroy(fusion->reply_frames_desc_pool); + +} + + +/** + * megasas_alloc_cmds_fusion - Allocates the command packets + * @instance: Adapter soft state + * + * + * Each frame has a 32-bit field called context. This context is used to get + * back the megasas_cmd_fusion from the frame when a frame gets completed + * In this driver, the 32 bit values are the indices into an array cmd_list. + * This array is used only to look up the megasas_cmd_fusion given the context. + * The free commands themselves are maintained in a linked list called cmd_pool. + * + * cmds are formed in the io_request and sg_frame members of the + * megasas_cmd_fusion. The context field is used to get a request descriptor + * and is used as SMID of the cmd. + * SMID value range is from 1 to max_fw_cmds. + */ +int +megasas_alloc_cmds_fusion(struct megasas_instance *instance) +{ + int i; + struct fusion_context *fusion; + struct megasas_cmd_fusion *cmd; + u32 offset; + dma_addr_t io_req_base_phys; + u8 *io_req_base; + + + fusion = instance->ctrl_context; + + if (megasas_alloc_cmdlist_fusion(instance)) + goto fail_exit; + + if (megasas_alloc_request_fusion(instance)) + goto fail_exit; + + if (instance->is_rdpq) { + if (megasas_alloc_rdpq_fusion(instance)) + goto fail_exit; + } else + if (megasas_alloc_reply_fusion(instance)) + goto fail_exit; + + + /* The first 256 bytes (SMID 0) is not used. Don't add to the cmd list */ + io_req_base = fusion->io_request_frames + MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; + io_req_base_phys = fusion->io_request_frames_phys + MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE; /* * Add all the commands to command pool (fusion->cmd_pool) */ /* SMID 0 is reserved. Set SMID/index from 1 */ - for (i = 0; i < max_cmd; i++) { + for (i = 0; i < instance->max_fw_cmds; i++) { cmd = fusion->cmd_list[i]; offset = MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE * i; memset(cmd, 0, sizeof(struct megasas_cmd_fusion)); @@ -518,35 +657,13 @@ megasas_alloc_cmds_fusion(struct megasas_instance *instance) cmd->io_request_phys_addr = io_req_base_phys + offset; } - /* - * Create a frame pool and assign one frame to each cmd - */ - if (megasas_create_frame_pool_fusion(instance)) { - dev_printk(KERN_DEBUG, &instance->pdev->dev, "Error creating frame DMA pool\n"); - megasas_free_cmds_fusion(instance); - goto fail_req_desc; - } + if (megasas_create_sg_sense_fusion(instance)) + goto fail_exit; return 0; -fail_cmd_list: - pci_pool_free(fusion->io_request_frames_pool, fusion->io_request_frames, - fusion->io_request_frames_phys); - pci_pool_destroy(fusion->io_request_frames_pool); -fail_io_frames: - dma_free_coherent(&instance->pdev->dev, fusion->request_alloc_sz, - fusion->reply_frames_desc, - fusion->reply_frames_desc_phys); - pci_pool_free(fusion->reply_frames_desc_pool, - fusion->reply_frames_desc, - fusion->reply_frames_desc_phys); - pci_pool_destroy(fusion->reply_frames_desc_pool); - -fail_reply_desc: - dma_free_coherent(&instance->pdev->dev, fusion->request_alloc_sz, - fusion->req_frames_desc, - fusion->req_frames_desc_phys); -fail_req_desc: +fail_exit: + megasas_free_cmds_fusion(instance); return -ENOMEM; } @@ -576,11 +693,12 @@ wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, msleep(20); } - if (frame_hdr->cmd_status == 0xff) - return -ETIME; - - return (frame_hdr->cmd_status == MFI_STAT_OK) ? - 0 : 1; + if (frame_hdr->cmd_status == MFI_STAT_INVALID_STATUS) + return DCMD_TIMEOUT; + else if (frame_hdr->cmd_status == MFI_STAT_OK) + return DCMD_SUCCESS; + else + return DCMD_FAILED; } /** @@ -593,16 +711,17 @@ int megasas_ioc_init_fusion(struct megasas_instance *instance) { struct megasas_init_frame *init_frame; - struct MPI2_IOC_INIT_REQUEST *IOCInitMessage; + struct MPI2_IOC_INIT_REQUEST *IOCInitMessage = NULL; dma_addr_t ioc_init_handle; struct megasas_cmd *cmd; - u8 ret; + u8 ret, cur_rdpq_mode; struct fusion_context *fusion; union MEGASAS_REQUEST_DESCRIPTOR_UNION req_desc; int i; struct megasas_header *frame_hdr; const char *sys_info; MFI_CAPABILITIES *drv_ops; + u32 scratch_pad_2; fusion = instance->ctrl_context; @@ -614,6 +733,18 @@ megasas_ioc_init_fusion(struct megasas_instance *instance) goto fail_get_cmd; } + scratch_pad_2 = readl + (&instance->reg_set->outbound_scratch_pad_2); + + cur_rdpq_mode = (scratch_pad_2 & MR_RDPQ_MODE_OFFSET) ? 1 : 0; + + if (instance->is_rdpq && !cur_rdpq_mode) { + dev_err(&instance->pdev->dev, "Firmware downgrade *NOT SUPPORTED*" + " from RDPQ mode to non RDPQ mode\n"); + ret = 1; + goto fail_fw_init; + } + IOCInitMessage = dma_alloc_coherent(&instance->pdev->dev, sizeof(struct MPI2_IOC_INIT_REQUEST), @@ -635,7 +766,11 @@ megasas_ioc_init_fusion(struct megasas_instance *instance) IOCInitMessage->SystemRequestFrameSize = cpu_to_le16(MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE / 4); IOCInitMessage->ReplyDescriptorPostQueueDepth = cpu_to_le16(fusion->reply_q_depth); - IOCInitMessage->ReplyDescriptorPostQueueAddress = cpu_to_le64(fusion->reply_frames_desc_phys); + IOCInitMessage->ReplyDescriptorPostQueueAddress = instance->is_rdpq ? + cpu_to_le64(fusion->rdpq_phys) : + cpu_to_le64(fusion->reply_frames_desc_phys[0]); + IOCInitMessage->MsgFlags = instance->is_rdpq ? + MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE : 0; IOCInitMessage->SystemRequestFrameBaseAddress = cpu_to_le64(fusion->io_request_frames_phys); IOCInitMessage->HostMSIxVectors = instance->msix_vectors; init_frame = (struct megasas_init_frame *)cmd->frame; @@ -665,6 +800,11 @@ megasas_ioc_init_fusion(struct megasas_instance *instance) if (instance->max_chain_frame_sz > MEGASAS_CHAIN_FRAME_SZ_MIN) drv_ops->mfi_capabilities.support_ext_io_size = 1; + drv_ops->mfi_capabilities.support_fp_rlbypass = 1; + if (!dual_qdepth_disable) + drv_ops->mfi_capabilities.support_ext_queue_depth = 1; + + drv_ops->mfi_capabilities.support_qd_throttling = 1; /* Convert capability to LE32 */ cpu_to_le32s((u32 *)&init_frame->driver_operations.mfi_capabilities); @@ -784,7 +924,8 @@ megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend) { /* Below code is only for non pended DCMD */ if (instance->ctrl_context && !instance->mask_interrupts) - ret = megasas_issue_blocked_cmd(instance, cmd, 60); + ret = megasas_issue_blocked_cmd(instance, cmd, + MFI_IO_TIMEOUT_SECS); else ret = megasas_issue_polled(instance, cmd); @@ -795,7 +936,10 @@ megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend) { ret = -EINVAL; } - if (!ret) + if (ret == DCMD_TIMEOUT && instance->ctrl_context) + megaraid_sas_kill_hba(instance); + + if (ret == DCMD_SUCCESS) instance->pd_seq_map_id++; megasas_return_cmd(instance, cmd); @@ -875,10 +1019,13 @@ megasas_get_ld_map_info(struct megasas_instance *instance) if (instance->ctrl_context && !instance->mask_interrupts) ret = megasas_issue_blocked_cmd(instance, cmd, - MEGASAS_BLOCKED_CMD_TIMEOUT); + MFI_IO_TIMEOUT_SECS); else ret = megasas_issue_polled(instance, cmd); + if (ret == DCMD_TIMEOUT && instance->ctrl_context) + megaraid_sas_kill_hba(instance); + megasas_return_cmd(instance, cmd); return ret; @@ -1072,12 +1219,7 @@ megasas_init_adapter_fusion(struct megasas_instance *instance) reg_set = instance->reg_set; - /* - * Get various operational parameters from status register - */ - instance->max_fw_cmds = - instance->instancet->read_fw_status_reg(reg_set) & 0x00FFFF; - instance->max_fw_cmds = min(instance->max_fw_cmds, (u16)1008); + megasas_fusion_update_can_queue(instance, PROBE_CONTEXT); /* * Reduce the max supported cmds by 1. This is to ensure that the @@ -1658,7 +1800,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, local_map_ptr, start_lba_lo); io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; cmd->request_desc->SCSIIO.RequestFlags = - (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY + (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); if (fusion->adapter_type == INVADER_SERIES) { if (io_request->RaidContext.regLockFlags == @@ -1702,8 +1844,8 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, (MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); if (fusion->adapter_type == INVADER_SERIES) { - if (io_request->RaidContext.regLockFlags == - REGION_TYPE_UNUSED) + if (io_info.do_fp_rlbypass || + (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED)) cmd->request_desc->SCSIIO.RequestFlags = (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); @@ -1791,7 +1933,7 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance, /* build request descriptor */ cmd->request_desc->SCSIIO.RequestFlags = - (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << + (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); cmd->request_desc->SCSIIO.DevHandle = devHandle; @@ -1897,7 +2039,7 @@ megasas_build_syspd_fusion(struct megasas_instance *instance, cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH); } cmd->request_desc->SCSIIO.RequestFlags = - (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << + (MPI2_REQ_DESCRIPT_FLAGS_FP_IO << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); } } @@ -2035,13 +2177,21 @@ megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance, fusion = instance->ctrl_context; + if ((megasas_cmd_type(scmd) == READ_WRITE_LDIO) && + instance->ldio_threshold && + (atomic_inc_return(&instance->ldio_outstanding) > + instance->ldio_threshold)) { + atomic_dec(&instance->ldio_outstanding); + return SCSI_MLQUEUE_DEVICE_BUSY; + } + cmd = megasas_get_cmd_fusion(instance, scmd->request->tag); index = cmd->index; req_desc = megasas_get_request_descriptor(instance, index-1); if (!req_desc) - return 1; + return SCSI_MLQUEUE_HOST_BUSY; req_desc->Words = 0; cmd->request_desc = req_desc; @@ -2050,7 +2200,7 @@ megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance, megasas_return_cmd_fusion(instance, cmd); dev_err(&instance->pdev->dev, "Error building command\n"); cmd->request_desc = NULL; - return 1; + return SCSI_MLQUEUE_HOST_BUSY; } req_desc = cmd->request_desc; @@ -2092,16 +2242,16 @@ complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex) struct LD_LOAD_BALANCE_INFO *lbinfo; int threshold_reply_count = 0; struct scsi_cmnd *scmd_local = NULL; + struct MR_TASK_MANAGE_REQUEST *mr_tm_req; + struct MPI2_SCSI_TASK_MANAGE_REQUEST *mpi_tm_req; fusion = instance->ctrl_context; - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) return IRQ_HANDLED; - desc = fusion->reply_frames_desc; - desc += ((MSIxIndex * fusion->reply_alloc_sz)/ - sizeof(union MPI2_REPLY_DESCRIPTORS_UNION)) + - fusion->last_reply_idx[MSIxIndex]; + desc = fusion->reply_frames_desc[MSIxIndex] + + fusion->last_reply_idx[MSIxIndex]; reply_desc = (struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc; @@ -2133,6 +2283,16 @@ complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex) extStatus = scsi_io_req->RaidContext.exStatus; switch (scsi_io_req->Function) { + case MPI2_FUNCTION_SCSI_TASK_MGMT: + mr_tm_req = (struct MR_TASK_MANAGE_REQUEST *) + cmd_fusion->io_request; + mpi_tm_req = (struct MPI2_SCSI_TASK_MANAGE_REQUEST *) + &mr_tm_req->TmRequest; + dev_dbg(&instance->pdev->dev, "TM completion:" + "type: 0x%x TaskMID: 0x%x\n", + mpi_tm_req->TaskType, mpi_tm_req->TaskMID); + complete(&cmd_fusion->done); + break; case MPI2_FUNCTION_SCSI_IO_REQUEST: /*Fast Path IO.*/ /* Update load balancing info */ device_id = MEGASAS_DEV_INDEX(scmd_local); @@ -2155,6 +2315,8 @@ complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex) map_cmd_status(cmd_fusion, status, extStatus); scsi_io_req->RaidContext.status = 0; scsi_io_req->RaidContext.exStatus = 0; + if (megasas_cmd_type(scmd_local) == READ_WRITE_LDIO) + atomic_dec(&instance->ldio_outstanding); megasas_return_cmd_fusion(instance, cmd_fusion); scsi_dma_unmap(scmd_local); scmd_local->scsi_done(scmd_local); @@ -2186,9 +2348,7 @@ complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex) /* Get the next reply descriptor */ if (!fusion->last_reply_idx[MSIxIndex]) - desc = fusion->reply_frames_desc + - ((MSIxIndex * fusion->reply_alloc_sz)/ - sizeof(union MPI2_REPLY_DESCRIPTORS_UNION)); + desc = fusion->reply_frames_desc[MSIxIndex]; else desc++; @@ -2254,7 +2414,7 @@ megasas_complete_cmd_dpc_fusion(unsigned long instance_addr) /* If we have already declared adapter dead, donot complete cmds */ spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { spin_unlock_irqrestore(&instance->hba_lock, flags); return; } @@ -2411,7 +2571,7 @@ build_mpt_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd) * @cmd: mfi cmd pointer * */ -void +int megasas_issue_dcmd_fusion(struct megasas_instance *instance, struct megasas_cmd *cmd) { @@ -2419,10 +2579,13 @@ megasas_issue_dcmd_fusion(struct megasas_instance *instance, req_desc = build_mpt_cmd(instance, cmd); if (!req_desc) { - dev_err(&instance->pdev->dev, "Couldn't issue MFI pass thru cmd\n"); - return; + dev_info(&instance->pdev->dev, "Failed from %s %d\n", + __func__, __LINE__); + return DCMD_NOT_FIRED; } + megasas_fire_cmd_fusion(instance, req_desc); + return DCMD_SUCCESS; } /** @@ -2583,7 +2746,7 @@ megasas_check_reset_fusion(struct megasas_instance *instance, /* This function waits for outstanding commands on fusion to complete */ int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance, - int iotimeout, int *convert) + int reason, int *convert) { int i, outstanding, retval = 0, hb_seconds_missed = 0; u32 fw_state; @@ -2599,14 +2762,22 @@ int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance, retval = 1; goto out; } + + if (reason == MFI_IO_TIMEOUT_OCR) { + dev_info(&instance->pdev->dev, + "MFI IO is timed out, initiating OCR\n"); + retval = 1; + goto out; + } + /* If SR-IOV VF mode & heartbeat timeout, don't wait */ - if (instance->requestorId && !iotimeout) { + if (instance->requestorId && !reason) { retval = 1; goto out; } /* If SR-IOV VF mode & I/O timeout, check for HB timeout */ - if (instance->requestorId && iotimeout) { + if (instance->requestorId && reason) { if (instance->hb_host_mem->HB.fwCounter != instance->hb_host_mem->HB.driverCounter) { instance->hb_host_mem->HB.driverCounter = @@ -2655,17 +2826,18 @@ out: void megasas_reset_reply_desc(struct megasas_instance *instance) { - int i, count; + int i, j, count; struct fusion_context *fusion; union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc; fusion = instance->ctrl_context; count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; - for (i = 0 ; i < count ; i++) + for (i = 0 ; i < count ; i++) { fusion->last_reply_idx[i] = 0; - reply_desc = fusion->reply_frames_desc; - for (i = 0 ; i < fusion->reply_q_depth * count; i++, reply_desc++) - reply_desc->Words = cpu_to_le64(ULLONG_MAX); + reply_desc = fusion->reply_frames_desc[i]; + for (j = 0 ; j < fusion->reply_q_depth; j++, reply_desc++) + reply_desc->Words = cpu_to_le64(ULLONG_MAX); + } } /* @@ -2680,6 +2852,7 @@ void megasas_refire_mgmt_cmd(struct megasas_instance *instance) struct megasas_cmd *cmd_mfi; union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; u16 smid; + bool refire_cmd = 0; fusion = instance->ctrl_context; @@ -2695,42 +2868,500 @@ void megasas_refire_mgmt_cmd(struct megasas_instance *instance) continue; req_desc = megasas_get_request_descriptor (instance, smid - 1); - if (req_desc && ((cmd_mfi->frame->dcmd.opcode != + refire_cmd = req_desc && ((cmd_mfi->frame->dcmd.opcode != cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO)) && (cmd_mfi->frame->dcmd.opcode != - cpu_to_le32(MR_DCMD_SYSTEM_PD_MAP_GET_INFO)))) + cpu_to_le32(MR_DCMD_SYSTEM_PD_MAP_GET_INFO))) + && !(cmd_mfi->flags & DRV_DCMD_SKIP_REFIRE); + if (refire_cmd) megasas_fire_cmd_fusion(instance, req_desc); else megasas_return_cmd(instance, cmd_mfi); } } +/* + * megasas_track_scsiio : Track SCSI IOs outstanding to a SCSI device + * @instance: per adapter struct + * @channel: the channel assigned by the OS + * @id: the id assigned by the OS + * + * Returns SUCCESS if no IOs pending to SCSI device, else return FAILED + */ + +static int megasas_track_scsiio(struct megasas_instance *instance, + int id, int channel) +{ + int i, found = 0; + struct megasas_cmd_fusion *cmd_fusion; + struct fusion_context *fusion; + fusion = instance->ctrl_context; + + for (i = 0 ; i < instance->max_scsi_cmds; i++) { + cmd_fusion = fusion->cmd_list[i]; + if (cmd_fusion->scmd && + (cmd_fusion->scmd->device->id == id && + cmd_fusion->scmd->device->channel == channel)) { + dev_info(&instance->pdev->dev, + "SCSI commands pending to target" + "channel %d id %d \tSMID: 0x%x\n", + channel, id, cmd_fusion->index); + scsi_print_command(cmd_fusion->scmd); + found = 1; + break; + } + } + + return found ? FAILED : SUCCESS; +} + +/** + * megasas_tm_response_code - translation of device response code + * @ioc: per adapter object + * @mpi_reply: MPI reply returned by firmware + * + * Return nothing. + */ +static void +megasas_tm_response_code(struct megasas_instance *instance, + struct MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply) +{ + char *desc; + + switch (mpi_reply->ResponseCode) { + case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: + desc = "task management request completed"; + break; + case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: + desc = "invalid frame"; + break; + case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: + desc = "task management request not supported"; + break; + case MPI2_SCSITASKMGMT_RSP_TM_FAILED: + desc = "task management request failed"; + break; + case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: + desc = "task management request succeeded"; + break; + case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: + desc = "invalid lun"; + break; + case 0xA: + desc = "overlapped tag attempted"; + break; + case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: + desc = "task queued, however not sent to target"; + break; + default: + desc = "unknown"; + break; + } + dev_dbg(&instance->pdev->dev, "response_code(%01x): %s\n", + mpi_reply->ResponseCode, desc); + dev_dbg(&instance->pdev->dev, + "TerminationCount/DevHandle/Function/TaskType/IOCStat/IOCLoginfo" + " 0x%x/0x%x/0x%x/0x%x/0x%x/0x%x\n", + mpi_reply->TerminationCount, mpi_reply->DevHandle, + mpi_reply->Function, mpi_reply->TaskType, + mpi_reply->IOCStatus, mpi_reply->IOCLogInfo); +} + +/** + * megasas_issue_tm - main routine for sending tm requests + * @instance: per adapter struct + * @device_handle: device handle + * @channel: the channel assigned by the OS + * @id: the id assigned by the OS + * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in megaraid_sas_fusion.c) + * @smid_task: smid assigned to the task + * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF + * Context: user + * + * MegaRaid use MPT interface for Task Magement request. + * A generic API for sending task management requests to firmware. + * + * Return SUCCESS or FAILED. + */ +static int +megasas_issue_tm(struct megasas_instance *instance, u16 device_handle, + uint channel, uint id, u16 smid_task, u8 type) +{ + struct MR_TASK_MANAGE_REQUEST *mr_request; + struct MPI2_SCSI_TASK_MANAGE_REQUEST *mpi_request; + unsigned long timeleft; + struct megasas_cmd_fusion *cmd_fusion; + struct megasas_cmd *cmd_mfi; + union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; + struct fusion_context *fusion; + struct megasas_cmd_fusion *scsi_lookup; + int rc; + struct MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply; + + fusion = instance->ctrl_context; + + cmd_mfi = megasas_get_cmd(instance); + + if (!cmd_mfi) { + dev_err(&instance->pdev->dev, "Failed from %s %d\n", + __func__, __LINE__); + return -ENOMEM; + } + + cmd_fusion = megasas_get_cmd_fusion(instance, + instance->max_scsi_cmds + cmd_mfi->index); + + /* Save the smid. To be used for returning the cmd */ + cmd_mfi->context.smid = cmd_fusion->index; + + req_desc = megasas_get_request_descriptor(instance, + (cmd_fusion->index - 1)); + if (!req_desc) { + dev_err(&instance->pdev->dev, "Failed from %s %d\n", + __func__, __LINE__); + megasas_return_cmd(instance, cmd_mfi); + return -ENOMEM; + } + + cmd_fusion->request_desc = req_desc; + req_desc->Words = 0; + + scsi_lookup = fusion->cmd_list[smid_task - 1]; + + mr_request = (struct MR_TASK_MANAGE_REQUEST *) cmd_fusion->io_request; + memset(mr_request, 0, sizeof(struct MR_TASK_MANAGE_REQUEST)); + mpi_request = (struct MPI2_SCSI_TASK_MANAGE_REQUEST *) &mr_request->TmRequest; + mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; + mpi_request->DevHandle = cpu_to_le16(device_handle); + mpi_request->TaskType = type; + mpi_request->TaskMID = cpu_to_le16(smid_task); + mpi_request->LUN[1] = 0; + + + req_desc = cmd_fusion->request_desc; + req_desc->HighPriority.SMID = cpu_to_le16(cmd_fusion->index); + req_desc->HighPriority.RequestFlags = + (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << + MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); + req_desc->HighPriority.MSIxIndex = 0; + req_desc->HighPriority.LMID = 0; + req_desc->HighPriority.Reserved1 = 0; + + if (channel < MEGASAS_MAX_PD_CHANNELS) + mr_request->tmReqFlags.isTMForPD = 1; + else + mr_request->tmReqFlags.isTMForLD = 1; + + init_completion(&cmd_fusion->done); + megasas_fire_cmd_fusion(instance, req_desc); + + timeleft = wait_for_completion_timeout(&cmd_fusion->done, 50 * HZ); + + if (!timeleft) { + dev_err(&instance->pdev->dev, + "task mgmt type 0x%x timed out\n", type); + cmd_mfi->flags |= DRV_DCMD_SKIP_REFIRE; + mutex_unlock(&instance->reset_mutex); + rc = megasas_reset_fusion(instance->host, MFI_IO_TIMEOUT_OCR); + mutex_lock(&instance->reset_mutex); + return rc; + } + + mpi_reply = (struct MPI2_SCSI_TASK_MANAGE_REPLY *) &mr_request->TMReply; + megasas_tm_response_code(instance, mpi_reply); + + megasas_return_cmd(instance, cmd_mfi); + rc = SUCCESS; + switch (type) { + case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: + if (scsi_lookup->scmd == NULL) + break; + else { + instance->instancet->disable_intr(instance); + msleep(1000); + megasas_complete_cmd_dpc_fusion + ((unsigned long)instance); + instance->instancet->enable_intr(instance); + if (scsi_lookup->scmd == NULL) + break; + } + rc = FAILED; + break; + + case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: + if ((channel == 0xFFFFFFFF) && (id == 0xFFFFFFFF)) + break; + instance->instancet->disable_intr(instance); + msleep(1000); + megasas_complete_cmd_dpc_fusion + ((unsigned long)instance); + rc = megasas_track_scsiio(instance, id, channel); + instance->instancet->enable_intr(instance); + + break; + case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: + case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK: + break; + default: + rc = FAILED; + break; + } + + return rc; + +} + +/* + * megasas_fusion_smid_lookup : Look for fusion command correpspodning to SCSI + * @instance: per adapter struct + * + * Return Non Zero index, if SMID found in outstanding commands + */ +static u16 megasas_fusion_smid_lookup(struct scsi_cmnd *scmd) +{ + int i, ret = 0; + struct megasas_instance *instance; + struct megasas_cmd_fusion *cmd_fusion; + struct fusion_context *fusion; + + instance = (struct megasas_instance *)scmd->device->host->hostdata; + + fusion = instance->ctrl_context; + + for (i = 0; i < instance->max_scsi_cmds; i++) { + cmd_fusion = fusion->cmd_list[i]; + if (cmd_fusion->scmd && (cmd_fusion->scmd == scmd)) { + scmd_printk(KERN_NOTICE, scmd, "Abort request is for" + " SMID: %d\n", cmd_fusion->index); + ret = cmd_fusion->index; + break; + } + } + + return ret; +} + +/* +* megasas_get_tm_devhandle - Get devhandle for TM request +* @sdev- OS provided scsi device +* +* Returns- devhandle/targetID of SCSI device +*/ +static u16 megasas_get_tm_devhandle(struct scsi_device *sdev) +{ + u16 pd_index = 0; + u32 device_id; + struct megasas_instance *instance; + struct fusion_context *fusion; + struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; + u16 devhandle = (u16)ULONG_MAX; + + instance = (struct megasas_instance *)sdev->host->hostdata; + fusion = instance->ctrl_context; + + if (sdev->channel < MEGASAS_MAX_PD_CHANNELS) { + if (instance->use_seqnum_jbod_fp) { + pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + + sdev->id; + pd_sync = (void *)fusion->pd_seq_sync + [(instance->pd_seq_map_id - 1) & 1]; + devhandle = pd_sync->seq[pd_index].devHandle; + } else + sdev_printk(KERN_ERR, sdev, "Firmware expose tmCapable" + " without JBOD MAP support from %s %d\n", __func__, __LINE__); + } else { + device_id = ((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + + sdev->id; + devhandle = device_id; + } + + return devhandle; +} + +/* + * megasas_task_abort_fusion : SCSI task abort function for fusion adapters + * @scmd : pointer to scsi command object + * + * Return SUCCESS, if command aborted else FAILED + */ + +int megasas_task_abort_fusion(struct scsi_cmnd *scmd) +{ + struct megasas_instance *instance; + u16 smid, devhandle; + struct fusion_context *fusion; + int ret; + struct MR_PRIV_DEVICE *mr_device_priv_data; + mr_device_priv_data = scmd->device->hostdata; + + + instance = (struct megasas_instance *)scmd->device->host->hostdata; + fusion = instance->ctrl_context; + + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { + dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL," + "SCSI host:%d\n", instance->host->host_no); + ret = FAILED; + return ret; + } + + if (!mr_device_priv_data) { + sdev_printk(KERN_INFO, scmd->device, "device been deleted! " + "scmd(%p)\n", scmd); + scmd->result = DID_NO_CONNECT << 16; + ret = SUCCESS; + goto out; + } + + + if (!mr_device_priv_data->is_tm_capable) { + ret = FAILED; + goto out; + } + + mutex_lock(&instance->reset_mutex); + + smid = megasas_fusion_smid_lookup(scmd); + + if (!smid) { + ret = SUCCESS; + scmd_printk(KERN_NOTICE, scmd, "Command for which abort is" + " issued is not found in oustanding commands\n"); + mutex_unlock(&instance->reset_mutex); + goto out; + } + + devhandle = megasas_get_tm_devhandle(scmd->device); + + if (devhandle == (u16)ULONG_MAX) { + ret = SUCCESS; + sdev_printk(KERN_INFO, scmd->device, + "task abort issued for invalid devhandle\n"); + mutex_unlock(&instance->reset_mutex); + goto out; + } + sdev_printk(KERN_INFO, scmd->device, + "attempting task abort! scmd(%p) tm_dev_handle 0x%x\n", + scmd, devhandle); + + mr_device_priv_data->tm_busy = 1; + ret = megasas_issue_tm(instance, devhandle, + scmd->device->channel, scmd->device->id, smid, + MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK); + mr_device_priv_data->tm_busy = 0; + + mutex_unlock(&instance->reset_mutex); +out: + sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n", + ((ret == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); + + return ret; +} + +/* + * megasas_reset_target_fusion : target reset function for fusion adapters + * scmd: SCSI command pointer + * + * Returns SUCCESS if all commands associated with target aborted else FAILED + */ + +int megasas_reset_target_fusion(struct scsi_cmnd *scmd) +{ + + struct megasas_instance *instance; + int ret = FAILED; + u16 devhandle; + struct fusion_context *fusion; + struct MR_PRIV_DEVICE *mr_device_priv_data; + mr_device_priv_data = scmd->device->hostdata; + + instance = (struct megasas_instance *)scmd->device->host->hostdata; + fusion = instance->ctrl_context; + + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { + dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL," + "SCSI host:%d\n", instance->host->host_no); + ret = FAILED; + return ret; + } + + if (!mr_device_priv_data) { + sdev_printk(KERN_INFO, scmd->device, "device been deleted! " + "scmd(%p)\n", scmd); + scmd->result = DID_NO_CONNECT << 16; + ret = SUCCESS; + goto out; + } + + + if (!mr_device_priv_data->is_tm_capable) { + ret = FAILED; + goto out; + } + + mutex_lock(&instance->reset_mutex); + devhandle = megasas_get_tm_devhandle(scmd->device); + + if (devhandle == (u16)ULONG_MAX) { + ret = SUCCESS; + sdev_printk(KERN_INFO, scmd->device, + "target reset issued for invalid devhandle\n"); + mutex_unlock(&instance->reset_mutex); + goto out; + } + + sdev_printk(KERN_INFO, scmd->device, + "attempting target reset! scmd(%p) tm_dev_handle 0x%x\n", + scmd, devhandle); + mr_device_priv_data->tm_busy = 1; + ret = megasas_issue_tm(instance, devhandle, + scmd->device->channel, scmd->device->id, 0, + MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); + mr_device_priv_data->tm_busy = 0; + mutex_unlock(&instance->reset_mutex); +out: + scmd_printk(KERN_NOTICE, scmd, "megasas: target reset %s!!\n", + (ret == SUCCESS) ? "SUCCESS" : "FAILED"); + + return ret; +} + +/*SRIOV get other instance in cluster if any*/ +struct megasas_instance *megasas_get_peer_instance(struct megasas_instance *instance) +{ + int i; + + for (i = 0; i < MAX_MGMT_ADAPTERS; i++) { + if (megasas_mgmt_info.instance[i] && + (megasas_mgmt_info.instance[i] != instance) && + megasas_mgmt_info.instance[i]->requestorId && + megasas_mgmt_info.instance[i]->peerIsPresent && + (memcmp((megasas_mgmt_info.instance[i]->clusterId), + instance->clusterId, MEGASAS_CLUSTER_ID_SIZE) == 0)) + return megasas_mgmt_info.instance[i]; + } + return NULL; +} + /* Check for a second path that is currently UP */ int megasas_check_mpio_paths(struct megasas_instance *instance, struct scsi_cmnd *scmd) { - int i, j, retval = (DID_RESET << 16); - - if (instance->mpio && instance->requestorId) { - for (i = 0 ; i < MAX_MGMT_ADAPTERS ; i++) - for (j = 0 ; j < MAX_LOGICAL_DRIVES; j++) - if (megasas_mgmt_info.instance[i] && - (megasas_mgmt_info.instance[i] != instance) && - megasas_mgmt_info.instance[i]->mpio && - megasas_mgmt_info.instance[i]->requestorId - && - (megasas_mgmt_info.instance[i]->ld_ids[j] - == scmd->device->id)) { - retval = (DID_NO_CONNECT << 16); - goto out; - } + struct megasas_instance *peer_instance = NULL; + int retval = (DID_RESET << 16); + + if (instance->peerIsPresent) { + peer_instance = megasas_get_peer_instance(instance); + if ((peer_instance) && + (atomic_read(&peer_instance->adprecovery) == + MEGASAS_HBA_OPERATIONAL)) + retval = (DID_NO_CONNECT << 16); } -out: return retval; } /* Core fusion reset function */ -int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout) +int megasas_reset_fusion(struct Scsi_Host *shost, int reason) { int retval = SUCCESS, i, convert = 0; struct megasas_instance *instance; @@ -2739,13 +3370,14 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout) u32 abs_state, status_reg, reset_adapter; u32 io_timeout_in_crash_mode = 0; struct scsi_cmnd *scmd_local = NULL; + struct scsi_device *sdev; instance = (struct megasas_instance *)shost->hostdata; fusion = instance->ctrl_context; mutex_lock(&instance->reset_mutex); - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { dev_warn(&instance->pdev->dev, "Hardware critical error, " "returning FAILED for scsi%d.\n", instance->host->host_no); @@ -2757,10 +3389,10 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout) /* IO timeout detected, forcibly put FW in FAULT state */ if (abs_state != MFI_STATE_FAULT && instance->crash_dump_buf && - instance->crash_dump_app_support && iotimeout) { - dev_info(&instance->pdev->dev, "IO timeout is detected, " + instance->crash_dump_app_support && reason) { + dev_info(&instance->pdev->dev, "IO/DCMD timeout is detected, " "forcibly FAULT Firmware\n"); - instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; + atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); status_reg = readl(&instance->reg_set->doorbell); writel(status_reg | MFI_STATE_FORCE_OCR, &instance->reg_set->doorbell); @@ -2772,10 +3404,10 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout) dev_dbg(&instance->pdev->dev, "waiting for [%d] " "seconds for crash dump collection and OCR " "to be done\n", (io_timeout_in_crash_mode * 3)); - } while ((instance->adprecovery != MEGASAS_HBA_OPERATIONAL) && + } while ((atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) && (io_timeout_in_crash_mode < 80)); - if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) { dev_info(&instance->pdev->dev, "OCR done for IO " "timeout case\n"); retval = SUCCESS; @@ -2792,18 +3424,18 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout) if (instance->requestorId && !instance->skip_heartbeat_timer_del) del_timer_sync(&instance->sriov_heartbeat_timer); set_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); - instance->adprecovery = MEGASAS_ADPRESET_SM_POLLING; + atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_POLLING); instance->instancet->disable_intr(instance); msleep(1000); /* First try waiting for commands to complete */ - if (megasas_wait_for_outstanding_fusion(instance, iotimeout, + if (megasas_wait_for_outstanding_fusion(instance, reason, &convert)) { - instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; + atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); dev_warn(&instance->pdev->dev, "resetting fusion " "adapter scsi%d.\n", instance->host->host_no); if (convert) - iotimeout = 0; + reason = 0; /* Now return commands back to the OS */ for (i = 0 ; i < instance->max_scsi_cmds; i++) { @@ -2813,6 +3445,8 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout) scmd_local->result = megasas_check_mpio_paths(instance, scmd_local); + if (megasas_cmd_type(scmd_local) == READ_WRITE_LDIO) + atomic_dec(&instance->ldio_outstanding); megasas_return_cmd_fusion(instance, cmd_fusion); scsi_dma_unmap(scmd_local); scmd_local->scsi_done(scmd_local); @@ -2837,55 +3471,9 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout) } /* Let SR-IOV VF & PF sync up if there was a HB failure */ - if (instance->requestorId && !iotimeout) { + if (instance->requestorId && !reason) { msleep(MEGASAS_OCR_SETTLE_TIME_VF); - /* Look for a late HB update after VF settle time */ - if (abs_state == MFI_STATE_OPERATIONAL && - (instance->hb_host_mem->HB.fwCounter != - instance->hb_host_mem->HB.driverCounter)) { - instance->hb_host_mem->HB.driverCounter = - instance->hb_host_mem->HB.fwCounter; - dev_warn(&instance->pdev->dev, "SR-IOV:" - "Late FW heartbeat update for " - "scsi%d.\n", - instance->host->host_no); - } else { - /* In VF mode, first poll for FW ready */ - for (i = 0; - i < (MEGASAS_RESET_WAIT_TIME * 1000); - i += 20) { - status_reg = - instance->instancet-> - read_fw_status_reg( - instance->reg_set); - abs_state = status_reg & - MFI_STATE_MASK; - if (abs_state == MFI_STATE_READY) { - dev_warn(&instance->pdev->dev, - "SR-IOV: FW was found" - "to be in ready state " - "for scsi%d.\n", - instance->host->host_no); - break; - } - msleep(20); - } - if (abs_state != MFI_STATE_READY) { - dev_warn(&instance->pdev->dev, "SR-IOV: " - "FW not in ready state after %d" - " seconds for scsi%d, status_reg = " - "0x%x.\n", - MEGASAS_RESET_WAIT_TIME, - instance->host->host_no, - status_reg); - megaraid_sas_kill_hba(instance); - instance->skip_heartbeat_timer_del = 1; - instance->adprecovery = - MEGASAS_HW_CRITICAL_ERROR; - retval = FAILED; - goto out; - } - } + goto transition_to_ready; } /* Now try to reset the chip */ @@ -2894,23 +3482,28 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout) if (instance->instancet->adp_reset (instance, instance->reg_set)) continue; - +transition_to_ready: /* Wait for FW to become ready */ if (megasas_transition_to_ready(instance, 1)) { - dev_warn(&instance->pdev->dev, "Failed to " - "transition controller to ready " - "for scsi%d.\n", - instance->host->host_no); - continue; + dev_warn(&instance->pdev->dev, + "Failed to transition controller to ready for " + "scsi%d.\n", instance->host->host_no); + if (instance->requestorId && !reason) + goto fail_kill_adapter; + else + continue; } - megasas_reset_reply_desc(instance); + megasas_fusion_update_can_queue(instance, OCR_CONTEXT); + if (megasas_ioc_init_fusion(instance)) { dev_warn(&instance->pdev->dev, - "megasas_ioc_init_fusion() failed!" - " for scsi%d\n", - instance->host->host_no); - continue; + "megasas_ioc_init_fusion() failed! for " + "scsi%d\n", instance->host->host_no); + if (instance->requestorId && !reason) + goto fail_kill_adapter; + else + continue; } megasas_refire_mgmt_cmd(instance); @@ -2932,10 +3525,13 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout) megasas_setup_jbod_map(instance); + shost_for_each_device(sdev, shost) + megasas_update_sdev_properties(sdev); + clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); instance->instancet->enable_intr(instance); - instance->adprecovery = MEGASAS_HBA_OPERATIONAL; + atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); /* Restart SR-IOV heartbeat */ if (instance->requestorId) { @@ -2964,6 +3560,7 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout) retval = SUCCESS; goto out; } +fail_kill_adapter: /* Reset failed, kill the adapter */ dev_warn(&instance->pdev->dev, "Reset failed, killing " "adapter scsi%d.\n", instance->host->host_no); @@ -2980,7 +3577,7 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout) } clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); instance->instancet->enable_intr(instance); - instance->adprecovery = MEGASAS_HBA_OPERATIONAL; + atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); } out: clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h index 473005c99..80eaee22f 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.h +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h @@ -176,7 +176,9 @@ enum REGION_TYPE { #define MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD (0x0100) #define MPI2_SCSIIO_EEDPFLAGS_INSERT_OP (0x0004) #define MPI2_FUNCTION_SCSI_IO_REQUEST (0x00) /* SCSI IO */ -#define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY (0x06) +#define MPI2_FUNCTION_SCSI_TASK_MGMT (0x01) +#define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY (0x03) +#define MPI2_REQ_DESCRIPT_FLAGS_FP_IO (0x06) #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO (0x00) #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING (0x02) #define MPI2_SCSIIO_CONTROL_WRITE (0x01000000) @@ -277,6 +279,100 @@ union MPI2_SCSI_IO_CDB_UNION { struct MPI2_SGE_SIMPLE_UNION SGE; }; +/**************************************************************************** +* SCSI Task Management messages +****************************************************************************/ + +/*SCSI Task Management Request Message */ +struct MPI2_SCSI_TASK_MANAGE_REQUEST { + u16 DevHandle; /*0x00 */ + u8 ChainOffset; /*0x02 */ + u8 Function; /*0x03 */ + u8 Reserved1; /*0x04 */ + u8 TaskType; /*0x05 */ + u8 Reserved2; /*0x06 */ + u8 MsgFlags; /*0x07 */ + u8 VP_ID; /*0x08 */ + u8 VF_ID; /*0x09 */ + u16 Reserved3; /*0x0A */ + u8 LUN[8]; /*0x0C */ + u32 Reserved4[7]; /*0x14 */ + u16 TaskMID; /*0x30 */ + u16 Reserved5; /*0x32 */ +}; + + +/*SCSI Task Management Reply Message */ +struct MPI2_SCSI_TASK_MANAGE_REPLY { + u16 DevHandle; /*0x00 */ + u8 MsgLength; /*0x02 */ + u8 Function; /*0x03 */ + u8 ResponseCode; /*0x04 */ + u8 TaskType; /*0x05 */ + u8 Reserved1; /*0x06 */ + u8 MsgFlags; /*0x07 */ + u8 VP_ID; /*0x08 */ + u8 VF_ID; /*0x09 */ + u16 Reserved2; /*0x0A */ + u16 Reserved3; /*0x0C */ + u16 IOCStatus; /*0x0E */ + u32 IOCLogInfo; /*0x10 */ + u32 TerminationCount; /*0x14 */ + u32 ResponseInfo; /*0x18 */ +}; + +struct MR_TM_REQUEST { + char request[128]; +}; + +struct MR_TM_REPLY { + char reply[128]; +}; + +/* SCSI Task Management Request Message */ +struct MR_TASK_MANAGE_REQUEST { + /*To be type casted to struct MPI2_SCSI_TASK_MANAGE_REQUEST */ + struct MR_TM_REQUEST TmRequest; + union { + struct { +#if defined(__BIG_ENDIAN_BITFIELD) + u32 reserved1:30; + u32 isTMForPD:1; + u32 isTMForLD:1; +#else + u32 isTMForLD:1; + u32 isTMForPD:1; + u32 reserved1:30; +#endif + u32 reserved2; + } tmReqFlags; + struct MR_TM_REPLY TMReply; + }; +}; + +/* TaskType values */ + +#define MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK (0x01) +#define MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET (0x02) +#define MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET (0x03) +#define MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET (0x05) +#define MPI2_SCSITASKMGMT_TASKTYPE_CLEAR_TASK_SET (0x06) +#define MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK (0x07) +#define MPI2_SCSITASKMGMT_TASKTYPE_CLR_ACA (0x08) +#define MPI2_SCSITASKMGMT_TASKTYPE_QRY_TASK_SET (0x09) +#define MPI2_SCSITASKMGMT_TASKTYPE_QRY_ASYNC_EVENT (0x0A) + +/* ResponseCode values */ + +#define MPI2_SCSITASKMGMT_RSP_TM_COMPLETE (0x00) +#define MPI2_SCSITASKMGMT_RSP_INVALID_FRAME (0x02) +#define MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED (0x04) +#define MPI2_SCSITASKMGMT_RSP_TM_FAILED (0x05) +#define MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED (0x08) +#define MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN (0x09) +#define MPI2_SCSITASKMGMT_RSP_TM_OVERLAPPED_TAG (0x0A) +#define MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC (0x80) + /* * RAID SCSI IO Request Message * Total SGE count will be one less than _MPI2_SCSI_IO_REQUEST @@ -547,7 +643,9 @@ struct MR_SPAN_BLOCK_INFO { struct MR_LD_RAID { struct { #if defined(__BIG_ENDIAN_BITFIELD) - u32 reserved4:7; + u32 reserved4:5; + u32 fpBypassRegionLock:1; + u32 tmCapable:1; u32 fpNonRWCapable:1; u32 fpReadAcrossStripe:1; u32 fpWriteAcrossStripe:1; @@ -569,7 +667,9 @@ struct MR_LD_RAID { u32 fpWriteAcrossStripe:1; u32 fpReadAcrossStripe:1; u32 fpNonRWCapable:1; - u32 reserved4:7; + u32 tmCapable:1; + u32 fpBypassRegionLock:1; + u32 reserved4:5; #endif } capability; __le32 reserved6; @@ -639,7 +739,7 @@ struct IO_REQUEST_INFO { u8 fpOkForIo; u8 IoforUnevenSpan; u8 start_span; - u8 reserved; + u8 do_fp_rlbypass; u64 start_row; u8 span_arm; /* span[7:5], arm[4:0] */ u8 pd_after_lb; @@ -694,6 +794,7 @@ struct megasas_cmd_fusion { u32 sync_cmd_idx; u32 index; u8 pd_r1_lb; + struct completion done; }; struct LD_LOAD_BALANCE_INFO { @@ -807,9 +908,18 @@ struct MR_FW_RAID_MAP_EXT { * * define MR_PD_CFG_SEQ structure for system PDs * */ struct MR_PD_CFG_SEQ { - __le16 seqNum; - __le16 devHandle; - u8 reserved[4]; + u16 seqNum; + u16 devHandle; + struct { +#if defined(__BIG_ENDIAN_BITFIELD) + u8 reserved:7; + u8 tmCapable:1; +#else + u8 tmCapable:1; + u8 reserved:7; +#endif + } capability; + u8 reserved[3]; } __packed; struct MR_PD_CFG_SEQ_NUM_SYNC { @@ -818,6 +928,12 @@ struct MR_PD_CFG_SEQ_NUM_SYNC { struct MR_PD_CFG_SEQ seq[1]; } __packed; +struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY { + u64 RDPQBaseAddress; + u32 Reserved1; + u32 Reserved2; +}; + struct fusion_context { struct megasas_cmd_fusion **cmd_list; dma_addr_t req_frames_desc_phys; @@ -830,8 +946,8 @@ struct fusion_context { struct dma_pool *sg_dma_pool; struct dma_pool *sense_dma_pool; - dma_addr_t reply_frames_desc_phys; - union MPI2_REPLY_DESCRIPTORS_UNION *reply_frames_desc; + dma_addr_t reply_frames_desc_phys[MAX_MSIX_QUEUES_FUSION]; + union MPI2_REPLY_DESCRIPTORS_UNION *reply_frames_desc[MAX_MSIX_QUEUES_FUSION]; struct dma_pool *reply_frames_desc_pool; u16 last_reply_idx[MAX_MSIX_QUEUES_FUSION]; @@ -841,6 +957,8 @@ struct fusion_context { u32 reply_alloc_sz; u32 io_frames_alloc_sz; + struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY *rdpq_virt; + dma_addr_t rdpq_phys; u16 max_sge_in_main_msg; u16 max_sge_in_chain; |