diff options
Diffstat (limited to 'drivers/scsi/lpfc')
-rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 14 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 92 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_crtn.h | 3 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_disc.h | 2 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_els.c | 4 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_hbadisc.c | 18 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_hw.h | 40 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 183 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_nportdisc.c | 69 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 295 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 217 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_version.h | 2 |
12 files changed, 727 insertions, 212 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 3062b39fbdb9..38ffa8d6e629 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -29,9 +29,10 @@ struct lpfc_sli2_slim; #define LPFC_LC_HBA_Q_DEPTH 1024 /* max cmds per low cost hba */ #define LPFC_LP101_HBA_Q_DEPTH 128 /* max cmds per low cost hba */ -#define LPFC_CMD_PER_LUN 30 /* max outstanding cmds per lun */ +#define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */ #define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */ +#define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */ /* Define macros for 64 bit support */ #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr))) @@ -45,6 +46,11 @@ struct lpfc_sli2_slim; #define MAX_HBAEVT 32 +enum lpfc_polling_flags { + ENABLE_FCP_RING_POLLING = 0x1, + DISABLE_FCP_RING_INT = 0x2 +}; + /* Provide DMA memory definitions the driver uses per port instance. */ struct lpfc_dmabuf { struct list_head list; @@ -167,6 +173,7 @@ struct lpfc_hba { dma_addr_t slim2p_mapping; uint16_t pci_cfg_value; + struct semaphore hba_can_block; uint32_t hba_state; #define LPFC_INIT_START 1 /* Initial state after board reset */ @@ -286,6 +293,8 @@ struct lpfc_hba { uint32_t cfg_fcp_bind_method; uint32_t cfg_discovery_threads; uint32_t cfg_max_luns; + uint32_t cfg_poll; + uint32_t cfg_poll_tmo; uint32_t cfg_sg_seg_cnt; uint32_t cfg_sg_dma_buf_size; @@ -337,7 +346,9 @@ struct lpfc_hba { #define VPD_PORT 0x8 /* valid vpd port data */ #define VPD_MASK 0xf /* mask for any vpd data */ + struct timer_list fcp_poll_timer; struct timer_list els_tmofunc; + /* * stat counters */ @@ -348,6 +359,7 @@ struct lpfc_hba { struct lpfc_sysfs_mbox sysfs_mbox; /* fastpath list. */ + spinlock_t scsi_buf_list_lock; struct list_head lpfc_scsi_buf_list; uint32_t total_scsi_bufs; struct list_head lpfc_iocb_list; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 89e8222bc7cc..5625a8c2a8fd 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -278,6 +278,71 @@ lpfc_board_online_store(struct class_device *cdev, const char *buf, return -EIO; } +static ssize_t +lpfc_poll_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + + return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); +} + +static ssize_t +lpfc_poll_store(struct class_device *cdev, const char *buf, + size_t count) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + uint32_t creg_val; + uint32_t old_val; + int val=0; + + if (!isdigit(buf[0])) + return -EINVAL; + + if (sscanf(buf, "%i", &val) != 1) + return -EINVAL; + + if ((val & 0x3) != val) + return -EINVAL; + + spin_lock_irq(phba->host->host_lock); + + old_val = phba->cfg_poll; + + if (val & ENABLE_FCP_RING_POLLING) { + if ((val & DISABLE_FCP_RING_INT) && + !(old_val & DISABLE_FCP_RING_INT)) { + creg_val = readl(phba->HCregaddr); + creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); + writel(creg_val, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + + lpfc_poll_start_timer(phba); + } + } else if (val != 0x0) { + spin_unlock_irq(phba->host->host_lock); + return -EINVAL; + } + + if (!(val & DISABLE_FCP_RING_INT) && + (old_val & DISABLE_FCP_RING_INT)) + { + spin_unlock_irq(phba->host->host_lock); + del_timer(&phba->fcp_poll_timer); + spin_lock_irq(phba->host->host_lock); + creg_val = readl(phba->HCregaddr); + creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); + writel(creg_val, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + } + + phba->cfg_poll = val; + + spin_unlock_irq(phba->host->host_lock); + + return strlen(buf); +} #define lpfc_param_show(attr) \ static ssize_t \ @@ -416,6 +481,15 @@ static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show, static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR, lpfc_board_online_show, lpfc_board_online_store); +static int lpfc_poll = 0; +module_param(lpfc_poll, int, 0); +MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" + " 0 - none," + " 1 - poll with interrupts enabled" + " 3 - poll and disable FCP ring interrupts"); + +static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, + lpfc_poll_show, lpfc_poll_store); /* # lpfc_log_verbose: Only turn this flag on if you are willing to risk being @@ -523,10 +597,10 @@ LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); # is 0. Default value of cr_count is 1. The cr_count feature is disabled if # cr_delay is set to 0. */ -LPFC_ATTR(cr_delay, 0, 0, 63, "A count of milliseconds after which an" +LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an" "interrupt response is generated"); -LPFC_ATTR(cr_count, 1, 1, 255, "A count of I/O completions after which an" +LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an" "interrupt response is generated"); /* @@ -553,6 +627,13 @@ LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands" LPFC_ATTR_R(max_luns, 256, 1, 32768, "Maximum number of LUNs per target driver will support"); +/* +# lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. +# Value range is [1,255], default value is 10. +*/ +LPFC_ATTR_RW(poll_tmo, 10, 1, 255, + "Milliseconds driver will wait between polling FCP ring"); + struct class_device_attribute *lpfc_host_attrs[] = { &class_device_attr_info, &class_device_attr_serialnum, @@ -575,11 +656,15 @@ struct class_device_attribute *lpfc_host_attrs[] = { &class_device_attr_lpfc_topology, &class_device_attr_lpfc_scan_down, &class_device_attr_lpfc_link_speed, + &class_device_attr_lpfc_cr_delay, + &class_device_attr_lpfc_cr_count, &class_device_attr_lpfc_fdmi_on, &class_device_attr_lpfc_max_luns, &class_device_attr_nport_evt_cnt, &class_device_attr_management_version, &class_device_attr_board_online, + &class_device_attr_lpfc_poll, + &class_device_attr_lpfc_poll_tmo, NULL, }; @@ -1292,6 +1377,9 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_fdmi_on_init(phba, lpfc_fdmi_on); lpfc_discovery_threads_init(phba, lpfc_discovery_threads); lpfc_max_luns_init(phba, lpfc_max_luns); + lpfc_poll_tmo_init(phba, lpfc_poll_tmo); + + phba->cfg_poll = lpfc_poll; /* * The total number of segments is the configuration value plus 2 diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index d527d05a607f..f1e708946e66 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -143,6 +143,9 @@ LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *); int lpfc_mem_alloc(struct lpfc_hba *); void lpfc_mem_free(struct lpfc_hba *); +void lpfc_poll_timeout(unsigned long ptr); +void lpfc_poll_start_timer(struct lpfc_hba * phba); +void lpfc_sli_poll_fcp_ring(struct lpfc_hba * hba); struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *); void lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb); uint16_t lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocb); diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index 084e7628ce17..ed6c81660e03 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -73,6 +73,8 @@ struct lpfc_nodelist { struct lpfc_hba *nlp_phba; struct lpfc_work_evt nodev_timeout_evt; struct lpfc_work_evt els_retry_evt; + unsigned long last_ramp_up_time; /* jiffy of last ramp up */ + unsigned long last_q_full_time; /* jiffy of last queue full */ }; /* Defines for nlp_flag (uint32) */ diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index bcc29ec126dc..20f1a0713db2 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -720,6 +720,7 @@ lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || + (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); } @@ -869,6 +870,7 @@ lpfc_cmpl_els_prli(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || + (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { goto out; } @@ -1054,6 +1056,7 @@ lpfc_cmpl_els_adisc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || + (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); } @@ -1205,6 +1208,7 @@ lpfc_cmpl_els_logo(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || + (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { goto out; } diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 259eeb161b82..a1f751e79405 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -1017,12 +1017,7 @@ lpfc_register_remote_port(struct lpfc_hba * phba, rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); rport_ids.port_id = ndlp->nlp_DID; rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; - if (ndlp->nlp_type & NLP_FCP_TARGET) - rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; - if (ndlp->nlp_type & NLP_FCP_INITIATOR) - rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; - scsi_block_requests(phba->host); ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids); if (!rport) { dev_printk(KERN_WARNING, &phba->pcidev->dev, @@ -1039,7 +1034,16 @@ lpfc_register_remote_port(struct lpfc_hba * phba, } rdata = rport->dd_data; rdata->pnode = ndlp; - scsi_unblock_requests(phba->host); + + if (ndlp->nlp_type & NLP_FCP_TARGET) + rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; + if (ndlp->nlp_type & NLP_FCP_INITIATOR) + rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; + + + if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) + fc_remote_port_rolechg(rport, rport_ids.roles); + return; } @@ -1053,9 +1057,7 @@ lpfc_unregister_remote_port(struct lpfc_hba * phba, ndlp->rport = NULL; rdata->pnode = NULL; - scsi_block_requests(phba->host); fc_remote_port_delete(rport); - scsi_unblock_requests(phba->host); return; } diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index 86c41981188b..1ea565e0561f 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -266,9 +266,11 @@ struct lpfc_name { struct { #ifdef __BIG_ENDIAN_BITFIELD uint8_t nameType:4; /* FC Word 0, bit 28:31 */ - uint8_t IEEEextMsn:4; /* FC Word 0, bit 24:27, bit 8:11 of IEEE ext */ + uint8_t IEEEextMsn:4; /* FC Word 0, bit 24:27, bit + 8:11 of IEEE ext */ #else /* __LITTLE_ENDIAN_BITFIELD */ - uint8_t IEEEextMsn:4; /* FC Word 0, bit 24:27, bit 8:11 of IEEE ext */ + uint8_t IEEEextMsn:4; /* FC Word 0, bit 24:27, bit + 8:11 of IEEE ext */ uint8_t nameType:4; /* FC Word 0, bit 28:31 */ #endif @@ -278,7 +280,8 @@ struct lpfc_name { #define NAME_IP_TYPE 0x4 /* IP address */ #define NAME_CCITT_TYPE 0xC #define NAME_CCITT_GR_TYPE 0xE - uint8_t IEEEextLsb; /* FC Word 0, bit 16:23, IEEE extended Lsb */ + uint8_t IEEEextLsb; /* FC Word 0, bit 16:23, IEEE + extended Lsb */ uint8_t IEEE[6]; /* FC IEEE address */ } s; uint8_t wwn[8]; @@ -1024,23 +1027,38 @@ typedef struct { /* Start FireFly Register definitions */ #define PCI_VENDOR_ID_EMULEX 0x10df #define PCI_DEVICE_ID_FIREFLY 0x1ae5 -#define PCI_DEVICE_ID_SUPERFLY 0xf700 -#define PCI_DEVICE_ID_DRAGONFLY 0xf800 #define PCI_DEVICE_ID_RFLY 0xf095 #define PCI_DEVICE_ID_PFLY 0xf098 +#define PCI_DEVICE_ID_LP101 0xf0a1 #define PCI_DEVICE_ID_TFLY 0xf0a5 +#define PCI_DEVICE_ID_BSMB 0xf0d1 +#define PCI_DEVICE_ID_BMID 0xf0d5 +#define PCI_DEVICE_ID_ZSMB 0xf0e1 +#define PCI_DEVICE_ID_ZMID 0xf0e5 +#define PCI_DEVICE_ID_NEPTUNE 0xf0f5 +#define PCI_DEVICE_ID_NEPTUNE_SCSP 0xf0f6 +#define PCI_DEVICE_ID_NEPTUNE_DCSP 0xf0f7 +#define PCI_DEVICE_ID_SUPERFLY 0xf700 +#define PCI_DEVICE_ID_DRAGONFLY 0xf800 #define PCI_DEVICE_ID_CENTAUR 0xf900 #define PCI_DEVICE_ID_PEGASUS 0xf980 #define PCI_DEVICE_ID_THOR 0xfa00 #define PCI_DEVICE_ID_VIPER 0xfb00 +#define PCI_DEVICE_ID_LP10000S 0xfc00 +#define PCI_DEVICE_ID_LP11000S 0xfc10 +#define PCI_DEVICE_ID_LPE11000S 0xfc20 #define PCI_DEVICE_ID_HELIOS 0xfd00 -#define PCI_DEVICE_ID_BMID 0xf0d5 -#define PCI_DEVICE_ID_BSMB 0xf0d1 +#define PCI_DEVICE_ID_HELIOS_SCSP 0xfd11 +#define PCI_DEVICE_ID_HELIOS_DCSP 0xfd12 #define PCI_DEVICE_ID_ZEPHYR 0xfe00 -#define PCI_DEVICE_ID_ZMID 0xf0e5 -#define PCI_DEVICE_ID_ZSMB 0xf0e1 -#define PCI_DEVICE_ID_LP101 0xf0a1 -#define PCI_DEVICE_ID_LP10000S 0xfc00 +#define PCI_DEVICE_ID_ZEPHYR_SCSP 0xfe11 +#define PCI_DEVICE_ID_ZEPHYR_DCSP 0xfe12 + +#define PCI_SUBSYSTEM_ID_LP11000S 0xfc11 +#define PCI_SUBSYSTEM_ID_LP11002S 0xfc12 +#define PCI_SUBSYSTEM_ID_LPE11000S 0xfc21 +#define PCI_SUBSYSTEM_ID_LPE11002S 0xfc22 +#define PCI_SUBSYSTEM_ID_LPE11010S 0xfc2A #define JEDEC_ID_ADDRESS 0x0080001c #define FIREFLY_JEDEC_ID 0x1ACC diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 07498118359d..b7a603a45328 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -126,34 +126,26 @@ lpfc_config_port_prep(struct lpfc_hba * phba) return -ERESTART; } - /* The HBA's current state is provided by the ProgType and rr fields. - * Read and check the value of these fields before continuing to config - * this port. + /* + * The value of rr must be 1 since the driver set the cv field to 1. + * This setting requires the FW to set all revision fields. */ - if (mb->un.varRdRev.rr == 0 || mb->un.varRdRev.un.b.ProgType != 2) { - /* Old firmware */ + if (mb->un.varRdRev.rr == 0) { vp->rev.rBit = 0; - lpfc_printf_log(phba, - KERN_ERR, - LOG_INIT, - "%d:0440 Adapter failed to init, mbxCmd x%x " - "READ_REV detected outdated firmware" - "Data: x%x\n", - phba->brd_no, - mb->mbxCommand, 0); + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "%d:0440 Adapter failed to init, READ_REV has " + "missing revision information.\n", + phba->brd_no); mempool_free(pmb, phba->mbox_mem_pool); return -ERESTART; - } else { - vp->rev.rBit = 1; - vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; - memcpy(vp->rev.sli1FwName, - (char*)mb->un.varRdRev.sli1FwName, 16); - vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; - memcpy(vp->rev.sli2FwName, - (char *)mb->un.varRdRev.sli2FwName, 16); } /* Save information as VPD data */ + vp->rev.rBit = 1; + vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; + memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); + vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; + memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); vp->rev.biuRev = mb->un.varRdRev.biuRev; vp->rev.smRev = mb->un.varRdRev.smRev; vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; @@ -378,6 +370,10 @@ lpfc_config_port_post(struct lpfc_hba * phba) if (psli->num_rings > 3) status |= HC_R3INT_ENA; + if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && + (phba->cfg_poll & DISABLE_FCP_RING_INT)) + status &= ~(HC_R0INT_ENA << LPFC_FCP_RING); + writel(status, phba->HCregaddr); readl(phba->HCregaddr); /* flush */ spin_unlock_irq(phba->host->host_lock); @@ -571,6 +567,8 @@ lpfc_handle_latt(struct lpfc_hba * phba) rc = -EIO; + /* Cleanup any outstanding ELS commands */ + lpfc_els_flush_cmd(phba); psli->slistat.link_event++; lpfc_read_la(phba, pmb, mp); @@ -765,96 +763,139 @@ static void lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) { lpfc_vpd_t *vp; - uint32_t id; - uint8_t hdrtype; - char str[16]; + uint16_t dev_id = phba->pcidev->device; + uint16_t dev_subid = phba->pcidev->subsystem_device; + uint8_t hdrtype = phba->pcidev->hdr_type; + char *model_str = ""; vp = &phba->vpd; - pci_read_config_dword(phba->pcidev, PCI_VENDOR_ID, &id); - pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); - switch ((id >> 16) & 0xffff) { + switch (dev_id) { case PCI_DEVICE_ID_FIREFLY: - strcpy(str, "LP6000 1"); + model_str = "LP6000 1Gb PCI"; break; case PCI_DEVICE_ID_SUPERFLY: if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) - strcpy(str, "LP7000 1"); + model_str = "LP7000 1Gb PCI"; else - strcpy(str, "LP7000E 1"); + model_str = "LP7000E 1Gb PCI"; break; case PCI_DEVICE_ID_DRAGONFLY: - strcpy(str, "LP8000 1"); + model_str = "LP8000 1Gb PCI"; break; case PCI_DEVICE_ID_CENTAUR: if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) - strcpy(str, "LP9002 2"); + model_str = "LP9002 2Gb PCI"; else - strcpy(str, "LP9000 1"); + model_str = "LP9000 1Gb PCI"; break; case PCI_DEVICE_ID_RFLY: - strcpy(str, "LP952 2"); + model_str = "LP952 2Gb PCI"; break; case PCI_DEVICE_ID_PEGASUS: - strcpy(str, "LP9802 2"); + model_str = "LP9802 2Gb PCI-X"; break; case PCI_DEVICE_ID_THOR: if (hdrtype == 0x80) - strcpy(str, "LP10000DC 2"); + model_str = "LP10000DC 2Gb 2-port PCI-X"; else - strcpy(str, "LP10000 2"); + model_str = "LP10000 2Gb PCI-X"; break; case PCI_DEVICE_ID_VIPER: - strcpy(str, "LPX1000 10"); + model_str = "LPX1000 10Gb PCI-X"; break; case PCI_DEVICE_ID_PFLY: - strcpy(str, "LP982 2"); + model_str = "LP982 2Gb PCI-X"; break; case PCI_DEVICE_ID_TFLY: if (hdrtype == 0x80) - strcpy(str, "LP1050DC 2"); + model_str = "LP1050DC 2Gb 2-port PCI-X"; else - strcpy(str, "LP1050 2"); + model_str = "LP1050 2Gb PCI-X"; break; case PCI_DEVICE_ID_HELIOS: if (hdrtype == 0x80) - strcpy(str, "LP11002 4"); + model_str = "LP11002 4Gb 2-port PCI-X2"; + else + model_str = "LP11000 4Gb PCI-X2"; + break; + case PCI_DEVICE_ID_HELIOS_SCSP: + model_str = "LP11000-SP 4Gb PCI-X2"; + break; + case PCI_DEVICE_ID_HELIOS_DCSP: + model_str = "LP11002-SP 4Gb 2-port PCI-X2"; + break; + case PCI_DEVICE_ID_NEPTUNE: + if (hdrtype == 0x80) + model_str = "LPe1002 4Gb 2-port"; else - strcpy(str, "LP11000 4"); + model_str = "LPe1000 4Gb PCIe"; + break; + case PCI_DEVICE_ID_NEPTUNE_SCSP: + model_str = "LPe1000-SP 4Gb PCIe"; + break; + case PCI_DEVICE_ID_NEPTUNE_DCSP: + model_str = "LPe1002-SP 4Gb 2-port PCIe"; break; case PCI_DEVICE_ID_BMID: - strcpy(str, "LP1150 4"); + model_str = "LP1150 4Gb PCI-X2"; break; case PCI_DEVICE_ID_BSMB: - strcpy(str, "LP111 4"); + model_str = "LP111 4Gb PCI-X2"; break; case PCI_DEVICE_ID_ZEPHYR: if (hdrtype == 0x80) - strcpy(str, "LPe11002 4"); + model_str = "LPe11002 4Gb 2-port PCIe"; else - strcpy(str, "LPe11000 4"); + model_str = "LPe11000 4Gb PCIe"; + break; + case PCI_DEVICE_ID_ZEPHYR_SCSP: + model_str = "LPe11000-SP 4Gb PCIe"; + break; + case PCI_DEVICE_ID_ZEPHYR_DCSP: + model_str = "LPe11002-SP 4Gb 2-port PCIe"; break; case PCI_DEVICE_ID_ZMID: - strcpy(str, "LPe1150 4"); + model_str = "LPe1150 4Gb PCIe"; break; case PCI_DEVICE_ID_ZSMB: - strcpy(str, "LPe111 4"); + model_str = "LPe111 4Gb PCIe"; break; case PCI_DEVICE_ID_LP101: - strcpy(str, "LP101 2"); + model_str = "LP101 2Gb PCI-X"; break; case PCI_DEVICE_ID_LP10000S: - strcpy(str, "LP10000-S 2"); + model_str = "LP10000-S 2Gb PCI"; + break; + case PCI_DEVICE_ID_LP11000S: + case PCI_DEVICE_ID_LPE11000S: + switch (dev_subid) { + case PCI_SUBSYSTEM_ID_LP11000S: + model_str = "LP11002-S 4Gb PCI-X2"; + break; + case PCI_SUBSYSTEM_ID_LP11002S: + model_str = "LP11000-S 4Gb 2-port PCI-X2"; + break; + case PCI_SUBSYSTEM_ID_LPE11000S: + model_str = "LPe11002-S 4Gb PCIe"; + break; + case PCI_SUBSYSTEM_ID_LPE11002S: + model_str = "LPe11002-S 4Gb 2-port PCIe"; + break; + case PCI_SUBSYSTEM_ID_LPE11010S: + model_str = "LPe11010-S 4Gb 10-port PCIe"; + break; + default: + break; + } break; default: - memset(str, 0, 16); break; } if (mdp) - sscanf(str, "%s", mdp); + sscanf(model_str, "%s", mdp); if (descp) - sprintf(descp, "Emulex LightPulse %s Gigabit PCI Fibre " - "Channel Adapter", str); + sprintf(descp, "Emulex %s Fibre Channel Adapter", model_str); } /**************************************************/ @@ -1196,6 +1237,7 @@ lpfc_stop_timer(struct lpfc_hba * phba) } } + del_timer_sync(&phba->fcp_poll_timer); del_timer_sync(&phba->fc_estabtmo); del_timer_sync(&phba->fc_disctmo); del_timer_sync(&phba->fc_fdmitmo); @@ -1351,7 +1393,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) goto out_put_host; host->unique_id = phba->brd_no; - + init_MUTEX(&phba->hba_can_block); INIT_LIST_HEAD(&phba->ctrspbuflist); INIT_LIST_HEAD(&phba->rnidrspbuflist); INIT_LIST_HEAD(&phba->freebufList); @@ -1375,6 +1417,10 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) psli->mbox_tmo.function = lpfc_mbox_timeout; psli->mbox_tmo.data = (unsigned long)phba; + init_timer(&phba->fcp_poll_timer); + phba->fcp_poll_timer.function = lpfc_poll_timeout; + phba->fcp_poll_timer.data = (unsigned long)phba; + /* * Get all the module params for configuring this host and then * establish the host parameters. @@ -1489,6 +1535,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) host->max_cmd_len = 16; /* Initialize the list of scsi buffers used by driver for scsi IO. */ + spin_lock_init(&phba->scsi_buf_list_lock); INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); host->transportt = lpfc_transport_template; @@ -1520,6 +1567,12 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) if (error) goto out_free_irq; + if (phba->cfg_poll & DISABLE_FCP_RING_INT) { + spin_lock_irq(phba->host->host_lock); + lpfc_poll_start_timer(phba); + spin_unlock_irq(phba->host->host_lock); + } + /* * set fixed host attributes * Must done after lpfc_sli_hba_setup() @@ -1679,14 +1732,28 @@ static struct pci_device_id lpfc_id_table[] = { PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, + PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, + PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, + PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, @@ -1697,6 +1764,10 @@ static struct pci_device_id lpfc_id_table[] = { PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, + PCI_ANY_ID, PCI_ANY_ID, }, { 0 } }; diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 507a6af56f42..fbead786031f 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -55,55 +55,76 @@ lpfc_check_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, return (1); } - int lpfc_check_sparm(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, struct serv_parm * sp, uint32_t class) { volatile struct serv_parm *hsp = &phba->fc_sparam; - /* First check for supported version */ - - /* Next check for class validity */ + uint16_t hsp_value, ssp_value = 0; + + /* + * The receive data field size and buffer-to-buffer receive data field + * size entries are 16 bits but are represented as two 8-bit fields in + * the driver data structure to account for rsvd bits and other control + * bits. Reconstruct and compare the fields as a 16-bit values before + * correcting the byte values. + */ if (sp->cls1.classValid) { - - if (sp->cls1.rcvDataSizeMsb > hsp->cls1.rcvDataSizeMsb) - sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb; - if (sp->cls1.rcvDataSizeLsb > hsp->cls1.rcvDataSizeLsb) + hsp_value = (hsp->cls1.rcvDataSizeMsb << 8) | + hsp->cls1.rcvDataSizeLsb; + ssp_value = (sp->cls1.rcvDataSizeMsb << 8) | + sp->cls1.rcvDataSizeLsb; + if (ssp_value > hsp_value) { sp->cls1.rcvDataSizeLsb = hsp->cls1.rcvDataSizeLsb; + sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb; + } } else if (class == CLASS1) { - return (0); + return 0; } if (sp->cls2.classValid) { - - if (sp->cls2.rcvDataSizeMsb > hsp->cls2.rcvDataSizeMsb) - sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb; - if (sp->cls2.rcvDataSizeLsb > hsp->cls2.rcvDataSizeLsb) + hsp_value = (hsp->cls2.rcvDataSizeMsb << 8) | + hsp->cls2.rcvDataSizeLsb; + ssp_value = (sp->cls2.rcvDataSizeMsb << 8) | + sp->cls2.rcvDataSizeLsb; + if (ssp_value > hsp_value) { sp->cls2.rcvDataSizeLsb = hsp->cls2.rcvDataSizeLsb; + sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb; + } } else if (class == CLASS2) { - return (0); + return 0; } if (sp->cls3.classValid) { - - if (sp->cls3.rcvDataSizeMsb > hsp->cls3.rcvDataSizeMsb) - sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb; - if (sp->cls3.rcvDataSizeLsb > hsp->cls3.rcvDataSizeLsb) + hsp_value = (hsp->cls3.rcvDataSizeMsb << 8) | + hsp->cls3.rcvDataSizeLsb; + ssp_value = (sp->cls3.rcvDataSizeMsb << 8) | + sp->cls3.rcvDataSizeLsb; + if (ssp_value > hsp_value) { sp->cls3.rcvDataSizeLsb = hsp->cls3.rcvDataSizeLsb; + sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb; + } } else if (class == CLASS3) { - return (0); + return 0; } - if (sp->cmn.bbRcvSizeMsb > hsp->cmn.bbRcvSizeMsb) - sp->cmn.bbRcvSizeMsb = hsp->cmn.bbRcvSizeMsb; - if (sp->cmn.bbRcvSizeLsb > hsp->cmn.bbRcvSizeLsb) + /* + * Preserve the upper four bits of the MSB from the PLOGI response. + * These bits contain the Buffer-to-Buffer State Change Number + * from the target and need to be passed to the FW. + */ + hsp_value = (hsp->cmn.bbRcvSizeMsb << 8) | hsp->cmn.bbRcvSizeLsb; + ssp_value = (sp->cmn.bbRcvSizeMsb << 8) | sp->cmn.bbRcvSizeLsb; + if (ssp_value > hsp_value) { sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb; + sp->cmn.bbRcvSizeMsb = (sp->cmn.bbRcvSizeMsb & 0xF0) | + (hsp->cmn.bbRcvSizeMsb & 0x0F); + } - /* If check is good, copy wwpn wwnn into ndlp */ memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); - return (1); + return 1; } static void * diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index c63275e66e2e..9ee8218404c0 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -41,6 +41,20 @@ #define LPFC_ABORT_WAIT 2 +static inline void +lpfc_block_requests(struct lpfc_hba * phba) +{ + down(&phba->hba_can_block); + scsi_block_requests(phba->host); +} + +static inline void +lpfc_unblock_requests(struct lpfc_hba * phba) +{ + scsi_unblock_requests(phba->host); + up(&phba->hba_can_block); +} + /* * This routine allocates a scsi buffer, which contains all the necessary * information needed to initiate a SCSI I/O. The non-DMAable buffer region @@ -137,18 +151,22 @@ lpfc_new_scsi_buf(struct lpfc_hba * phba) } struct lpfc_scsi_buf* -lpfc_sli_get_scsi_buf(struct lpfc_hba * phba) +lpfc_get_scsi_buf(struct lpfc_hba * phba) { struct lpfc_scsi_buf * lpfc_cmd = NULL; struct list_head *scsi_buf_list = &phba->lpfc_scsi_buf_list; + unsigned long iflag = 0; + spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag); list_remove_head(scsi_buf_list, lpfc_cmd, struct lpfc_scsi_buf, list); + spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag); return lpfc_cmd; } static void lpfc_release_scsi_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb) { + unsigned long iflag = 0; /* * There are only two special cases to consider. (1) the scsi command * requested scatter-gather usage or (2) the scsi command allocated @@ -166,8 +184,10 @@ lpfc_release_scsi_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb) } } + spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag); psb->pCmd = NULL; list_add_tail(&psb->list, &phba->lpfc_scsi_buf_list); + spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag); } static int @@ -389,7 +409,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, struct lpfc_rport_data *rdata = lpfc_cmd->rdata; struct lpfc_nodelist *pnode = rdata->pnode; struct scsi_cmnd *cmd = lpfc_cmd->pCmd; - unsigned long iflag; + int result; + struct scsi_device *sdev, *tmp_sdev; + int depth = 0; lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4]; lpfc_cmd->status = pIocbOut->iocb.ulpStatus; @@ -441,11 +463,64 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, *lp, *(lp + 3), cmd->retries, cmd->resid); } + result = cmd->result; + sdev = cmd->device; cmd->scsi_done(cmd); - spin_lock_irqsave(phba->host->host_lock, iflag); + if (!result && + ((jiffies - pnode->last_ramp_up_time) > + LPFC_Q_RAMP_UP_INTERVAL * HZ) && + ((jiffies - pnode->last_q_full_time) > + LPFC_Q_RAMP_UP_INTERVAL * HZ) && + (phba->cfg_lun_queue_depth > sdev->queue_depth)) { + shost_for_each_device(tmp_sdev, sdev->host) { + if (phba->cfg_lun_queue_depth > tmp_sdev->queue_depth) { + if (tmp_sdev->id != sdev->id) + continue; + if (tmp_sdev->ordered_tags) + scsi_adjust_queue_depth(tmp_sdev, + MSG_ORDERED_TAG, + tmp_sdev->queue_depth+1); + else + scsi_adjust_queue_depth(tmp_sdev, + MSG_SIMPLE_TAG, + tmp_sdev->queue_depth+1); + + pnode->last_ramp_up_time = jiffies; + } + } + } + + /* + * Check for queue full. If the lun is reporting queue full, then + * back off the lun queue depth to prevent target overloads. + */ + if (result == SAM_STAT_TASK_SET_FULL) { + pnode->last_q_full_time = jiffies; + + shost_for_each_device(tmp_sdev, sdev->host) { + if (tmp_sdev->id != sdev->id) + continue; + depth = scsi_track_queue_full(tmp_sdev, + tmp_sdev->queue_depth - 1); + } + /* + * The queue depth cannot be lowered any more. + * Modify the returned error code to store + * the final depth value set by + * scsi_track_queue_full. + */ + if (depth == -1) + depth = sdev->host->cmd_per_lun; + + if (depth) { + lpfc_printf_log(phba, KERN_WARNING, LOG_FCP, + "%d:0711 detected queue full - lun queue depth " + " adjusted to %d.\n", phba->brd_no, depth); + } + } + lpfc_release_scsi_buf(phba, lpfc_cmd); - spin_unlock_irqrestore(phba->host->host_lock, iflag); } static void @@ -693,6 +768,37 @@ lpfc_info(struct Scsi_Host *host) return lpfcinfobuf; } +static __inline__ void lpfc_poll_rearm_timer(struct lpfc_hba * phba) +{ + unsigned long poll_tmo_expires = + (jiffies + msecs_to_jiffies(phba->cfg_poll_tmo)); + + if (phba->sli.ring[LPFC_FCP_RING].txcmplq_cnt) + mod_timer(&phba->fcp_poll_timer, + poll_tmo_expires); +} + +void lpfc_poll_start_timer(struct lpfc_hba * phba) +{ + lpfc_poll_rearm_timer(phba); +} + +void lpfc_poll_timeout(unsigned long ptr) +{ + struct lpfc_hba *phba = (struct lpfc_hba *)ptr; + unsigned long iflag; + + spin_lock_irqsave(phba->host->host_lock, iflag); + + if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { + lpfc_sli_poll_fcp_ring (phba); + if (phba->cfg_poll & DISABLE_FCP_RING_INT) + lpfc_poll_rearm_timer(phba); + } + + spin_unlock_irqrestore(phba->host->host_lock, iflag); +} + static int lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) { @@ -719,10 +825,11 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) cmnd->result = ScsiResult(DID_BUS_BUSY, 0); goto out_fail_command; } - lpfc_cmd = lpfc_sli_get_scsi_buf (phba); + lpfc_cmd = lpfc_get_scsi_buf (phba); if (lpfc_cmd == NULL) { - printk(KERN_WARNING "%s: No buffer available - list empty, " - "total count %d\n", __FUNCTION__, phba->total_scsi_bufs); + lpfc_printf_log(phba, KERN_INFO, LOG_FCP, + "%d:0707 driver's buffer pool is empty, " + "IO busied\n", phba->brd_no); goto out_host_busy; } @@ -746,11 +853,17 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) &lpfc_cmd->cur_iocbq, SLI_IOCB_RET_IOCB); if (err) goto out_host_busy_free_buf; + + if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { + lpfc_sli_poll_fcp_ring(phba); + if (phba->cfg_poll & DISABLE_FCP_RING_INT) + lpfc_poll_rearm_timer(phba); + } + return 0; out_host_busy_free_buf: lpfc_release_scsi_buf(phba, lpfc_cmd); - cmnd->host_scribble = NULL; out_host_busy: return SCSI_MLQUEUE_HOST_BUSY; @@ -759,11 +872,12 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) return 0; } + static int -__lpfc_abort_handler(struct scsi_cmnd *cmnd) +lpfc_abort_handler(struct scsi_cmnd *cmnd) { - struct lpfc_hba *phba = - (struct lpfc_hba *)cmnd->device->host->hostdata[0]; + struct Scsi_Host *shost = cmnd->device->host; + struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0]; struct lpfc_sli_ring *pring = &phba->sli.ring[phba->sli.fcp_ring]; struct lpfc_iocbq *iocb; struct lpfc_iocbq *abtsiocb; @@ -772,6 +886,8 @@ __lpfc_abort_handler(struct scsi_cmnd *cmnd) unsigned int loop_count = 0; int ret = SUCCESS; + lpfc_block_requests(phba); + spin_lock_irq(shost->host_lock); lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble; BUG_ON(!lpfc_cmd); @@ -821,9 +937,15 @@ __lpfc_abort_handler(struct scsi_cmnd *cmnd) goto out; } + if (phba->cfg_poll & DISABLE_FCP_RING_INT) + lpfc_sli_poll_fcp_ring (phba); + /* Wait for abort to complete */ while (lpfc_cmd->pCmd == cmnd) { + if (phba->cfg_poll & DISABLE_FCP_RING_INT) + lpfc_sli_poll_fcp_ring (phba); + spin_unlock_irq(phba->host->host_lock); schedule_timeout_uninterruptible(LPFC_ABORT_WAIT*HZ); spin_lock_irq(phba->host->host_lock); @@ -844,26 +966,19 @@ __lpfc_abort_handler(struct scsi_cmnd *cmnd) out: lpfc_printf_log(phba, KERN_WARNING, LOG_FCP, - "%d:0749 SCSI layer issued abort device: ret %#x, " - "ID %d, LUN %d, snum %#lx\n", + "%d:0749 SCSI Layer I/O Abort Request " + "Status x%x ID %d LUN %d snum %#lx\n", phba->brd_no, ret, cmnd->device->id, cmnd->device->lun, cmnd->serial_number); - return ret; -} + spin_unlock_irq(shost->host_lock); + lpfc_unblock_requests(phba); -static int -lpfc_abort_handler(struct scsi_cmnd *cmnd) -{ - int rc; - spin_lock_irq(cmnd->device->host->host_lock); - rc = __lpfc_abort_handler(cmnd); - spin_unlock_irq(cmnd->device->host->host_lock); - return rc; + return ret; } static int -__lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) +lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) { struct Scsi_Host *shost = cmnd->device->host; struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0]; @@ -871,9 +986,12 @@ __lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) struct lpfc_iocbq *iocbq, *iocbqrsp; struct lpfc_rport_data *rdata = cmnd->device->hostdata; struct lpfc_nodelist *pnode = rdata->pnode; + uint32_t cmd_result = 0, cmd_status = 0; int ret = FAILED; int cnt, loopcnt; + lpfc_block_requests(phba); + spin_lock_irq(shost->host_lock); /* * If target is not in a MAPPED state, delay the reset until * target is rediscovered or nodev timeout expires. @@ -891,7 +1009,7 @@ __lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) break; } - lpfc_cmd = lpfc_sli_get_scsi_buf (phba); + lpfc_cmd = lpfc_get_scsi_buf (phba); if (lpfc_cmd == NULL) goto out; @@ -916,26 +1034,28 @@ __lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) if (ret == IOCB_SUCCESS) ret = SUCCESS; - lpfc_cmd->result = iocbqrsp->iocb.un.ulpWord[4]; - lpfc_cmd->status = iocbqrsp->iocb.ulpStatus; - if (lpfc_cmd->status == IOSTAT_LOCAL_REJECT) - if (lpfc_cmd->result & IOERR_DRVR_MASK) - lpfc_cmd->status = IOSTAT_DRIVER_REJECT; + + cmd_result = iocbqrsp->iocb.un.ulpWord[4]; + cmd_status = iocbqrsp->iocb.ulpStatus; + + lpfc_sli_release_iocbq(phba, iocbqrsp); + lpfc_release_scsi_buf(phba, lpfc_cmd); /* - * All outstanding txcmplq I/Os should have been aborted by the target. + * All outstanding txcmplq I/Os should have been aborted by the device. * Unfortunately, some targets do not abide by this forcing the driver * to double check. */ - lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], - cmnd->device->id, cmnd->device->lun, 0, - LPFC_CTX_LUN); - + cnt = lpfc_sli_sum_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], + cmnd->device->id, cmnd->device->lun, + LPFC_CTX_LUN); + if (cnt) + lpfc_sli_abort_iocb(phba, + &phba->sli.ring[phba->sli.fcp_ring], + cmnd->device->id, cmnd->device->lun, + 0, LPFC_CTX_LUN); loopcnt = 0; - while((cnt = lpfc_sli_sum_iocb(phba, - &phba->sli.ring[phba->sli.fcp_ring], - cmnd->device->id, cmnd->device->lun, - LPFC_CTX_LUN))) { + while(cnt) { spin_unlock_irq(phba->host->host_lock); schedule_timeout_uninterruptible(LPFC_RESET_WAIT*HZ); spin_lock_irq(phba->host->host_lock); @@ -943,6 +1063,11 @@ __lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) if (++loopcnt > (2 * phba->cfg_nodev_tmo)/LPFC_RESET_WAIT) break; + + cnt = lpfc_sli_sum_iocb(phba, + &phba->sli.ring[phba->sli.fcp_ring], + cmnd->device->id, cmnd->device->lun, + LPFC_CTX_LUN); } if (cnt) { @@ -952,35 +1077,21 @@ __lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) ret = FAILED; } - lpfc_sli_release_iocbq(phba, iocbqrsp); - out_free_scsi_buf: lpfc_printf_log(phba, KERN_ERR, LOG_FCP, "%d:0713 SCSI layer issued LUN reset (%d, %d) " "Data: x%x x%x x%x\n", - phba->brd_no, lpfc_cmd->pCmd->device->id, - lpfc_cmd->pCmd->device->lun, ret, lpfc_cmd->status, - lpfc_cmd->result); - lpfc_release_scsi_buf(phba, lpfc_cmd); + phba->brd_no, cmnd->device->id,cmnd->device->lun, + ret, cmd_status, cmd_result); + out: + spin_unlock_irq(shost->host_lock); + lpfc_unblock_requests(phba); return ret; } static int -lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) -{ - int rc; - spin_lock_irq(cmnd->device->host->host_lock); - rc = __lpfc_reset_lun_handler(cmnd); - spin_unlock_irq(cmnd->device->host->host_lock); - return rc; -} - -/* - * Note: midlayer calls this function with the host_lock held - */ -static int -__lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) +lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) { struct Scsi_Host *shost = cmnd->device->host; struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0]; @@ -991,7 +1102,10 @@ __lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) unsigned int midlayer_id = 0; struct lpfc_scsi_buf * lpfc_cmd; - lpfc_cmd = lpfc_sli_get_scsi_buf (phba); + lpfc_block_requests(phba); + spin_lock_irq(shost->host_lock); + + lpfc_cmd = lpfc_get_scsi_buf(phba); if (lpfc_cmd == NULL) goto out; @@ -1022,18 +1136,31 @@ __lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) lpfc_cmd->pCmd->device->hostdata = ndlp->rport->dd_data; ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba); if (ret != SUCCESS) { - lpfc_printf_log(phba, KERN_INFO, LOG_FCP, + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, "%d:0713 Bus Reset on target %d failed\n", phba->brd_no, i); err_count++; } } + if (err_count == 0) + ret = SUCCESS; + + lpfc_release_scsi_buf(phba, lpfc_cmd); + + /* + * All outstanding txcmplq I/Os should have been aborted by + * the targets. Unfortunately, some targets do not abide by + * this forcing the driver to double check. + */ cmnd->device->id = midlayer_id; + cnt = lpfc_sli_sum_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], + 0, 0, LPFC_CTX_HOST); + if (cnt) + lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], + 0, 0, 0, LPFC_CTX_HOST); loopcnt = 0; - while((cnt = lpfc_sli_sum_iocb(phba, - &phba->sli.ring[phba->sli.fcp_ring], - 0, 0, LPFC_CTX_HOST))) { + while(cnt) { spin_unlock_irq(phba->host->host_lock); schedule_timeout_uninterruptible(LPFC_RESET_WAIT*HZ); spin_lock_irq(phba->host->host_lock); @@ -1041,45 +1168,31 @@ __lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) if (++loopcnt > (2 * phba->cfg_nodev_tmo)/LPFC_RESET_WAIT) break; + + cnt = lpfc_sli_sum_iocb(phba, + &phba->sli.ring[phba->sli.fcp_ring], + 0, 0, LPFC_CTX_HOST); } if (cnt) { - /* flush all outstanding commands on the host */ - i = lpfc_sli_abort_iocb(phba, - &phba->sli.ring[phba->sli.fcp_ring], 0, 0, 0, - LPFC_CTX_HOST); - - lpfc_printf_log(phba, KERN_INFO, LOG_FCP, + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, "%d:0715 Bus Reset I/O flush failure: cnt x%x left x%x\n", phba->brd_no, cnt, i); - } - - if (cnt == 0) - ret = SUCCESS; - else ret = FAILED; + } - lpfc_release_scsi_buf(phba, lpfc_cmd); lpfc_printf_log(phba, KERN_ERR, LOG_FCP, "%d:0714 SCSI layer issued Bus Reset Data: x%x\n", phba->brd_no, ret); out: + spin_unlock_irq(shost->host_lock); + lpfc_unblock_requests(phba); return ret; } static int -lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) -{ - int rc; - spin_lock_irq(cmnd->device->host->host_lock); - rc = __lpfc_reset_bus_handler(cmnd); - spin_unlock_irq(cmnd->device->host->host_lock); - return rc; -} - -static int lpfc_slave_alloc(struct scsi_device *sdev) { struct lpfc_hba *phba = (struct lpfc_hba *)sdev->host->hostdata[0]; @@ -1127,10 +1240,10 @@ lpfc_slave_alloc(struct scsi_device *sdev) break; } - spin_lock_irqsave(phba->host->host_lock, flags); + spin_lock_irqsave(&phba->scsi_buf_list_lock, flags); phba->total_scsi_bufs++; list_add_tail(&scsi_buf->list, &phba->lpfc_scsi_buf_list); - spin_unlock_irqrestore(phba->host->host_lock, flags); + spin_unlock_irqrestore(&phba->scsi_buf_list_lock, flags); } return 0; } @@ -1154,6 +1267,12 @@ lpfc_slave_configure(struct scsi_device *sdev) */ rport->dev_loss_tmo = phba->cfg_nodev_tmo + 5; + if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { + lpfc_sli_poll_fcp_ring(phba); + if (phba->cfg_poll & DISABLE_FCP_RING_INT) + lpfc_poll_rearm_timer(phba); + } + return 0; } diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index e2c08c5d83fb..7b785ade8b07 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -886,6 +886,182 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, return rc; } +static void lpfc_sli_rsp_pointers_error(struct lpfc_hba * phba, + struct lpfc_sli_ring * pring) +{ + struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; + /* + * Ring <ringno> handler: portRspPut <portRspPut> is bigger then + * rsp ring <portRspMax> + */ + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "%d:0312 Ring %d handler: portRspPut %d " + "is bigger then rsp ring %d\n", + phba->brd_no, pring->ringno, + le32_to_cpu(pgp->rspPutInx), + pring->numRiocb); + + phba->hba_state = LPFC_HBA_ERROR; + + /* + * All error attention handlers are posted to + * worker thread + */ + phba->work_ha |= HA_ERATT; + phba->work_hs = HS_FFER3; + if (phba->work_wait) + wake_up(phba->work_wait); + + return; +} + +void lpfc_sli_poll_fcp_ring(struct lpfc_hba * phba) +{ + struct lpfc_sli * psli = &phba->sli; + struct lpfc_sli_ring * pring = &psli->ring[LPFC_FCP_RING]; + IOCB_t *irsp = NULL; + IOCB_t *entry = NULL; + struct lpfc_iocbq *cmdiocbq = NULL; + struct lpfc_iocbq rspiocbq; + struct lpfc_pgp *pgp; + uint32_t status; + uint32_t portRspPut, portRspMax; + int type; + uint32_t rsp_cmpl = 0; + void __iomem *to_slim; + uint32_t ha_copy; + + pring->stats.iocb_event++; + + /* The driver assumes SLI-2 mode */ + pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; + + /* + * The next available response entry should never exceed the maximum + * entries. If it does, treat it as an adapter hardware error. + */ + portRspMax = pring->numRiocb; + portRspPut = le32_to_cpu(pgp->rspPutInx); + if (unlikely(portRspPut >= portRspMax)) { + lpfc_sli_rsp_pointers_error(phba, pring); + return; + } + + rmb(); + while (pring->rspidx != portRspPut) { + + entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx); + + if (++pring->rspidx >= portRspMax) + pring->rspidx = 0; + + lpfc_sli_pcimem_bcopy((uint32_t *) entry, + (uint32_t *) &rspiocbq.iocb, + sizeof (IOCB_t)); + irsp = &rspiocbq.iocb; + type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); + pring->stats.iocb_rsp++; + rsp_cmpl++; + + if (unlikely(irsp->ulpStatus)) { + /* Rsp ring <ringno> error: IOCB */ + lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, + "%d:0326 Rsp Ring %d error: IOCB Data: " + "x%x x%x x%x x%x x%x x%x x%x x%x\n", + phba->brd_no, pring->ringno, + irsp->un.ulpWord[0], + irsp->un.ulpWord[1], + irsp->un.ulpWord[2], + irsp->un.ulpWord[3], + irsp->un.ulpWord[4], + irsp->un.ulpWord[5], + *(((uint32_t *) irsp) + 6), + *(((uint32_t *) irsp) + 7)); + } + + switch (type) { + case LPFC_ABORT_IOCB: + case LPFC_SOL_IOCB: + /* + * Idle exchange closed via ABTS from port. No iocb + * resources need to be recovered. + */ + if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { + printk(KERN_INFO "%s: IOCB cmd 0x%x processed." + " Skipping completion\n", __FUNCTION__, + irsp->ulpCommand); + break; + } + + cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, + &rspiocbq); + if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { + (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, + &rspiocbq); + } + break; + default: + if (irsp->ulpCommand == CMD_ADAPTER_MSG) { + char adaptermsg[LPFC_MAX_ADPTMSG]; + memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); + memcpy(&adaptermsg[0], (uint8_t *) irsp, + MAX_MSG_DATA); + dev_warn(&((phba->pcidev)->dev), "lpfc%d: %s", + phba->brd_no, adaptermsg); + } else { + /* Unknown IOCB command */ + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "%d:0321 Unknown IOCB command " + "Data: x%x, x%x x%x x%x x%x\n", + phba->brd_no, type, + irsp->ulpCommand, + irsp->ulpStatus, + irsp->ulpIoTag, + irsp->ulpContext); + } + break; + } + + /* + * The response IOCB has been processed. Update the ring + * pointer in SLIM. If the port response put pointer has not + * been updated, sync the pgp->rspPutInx and fetch the new port + * response put pointer. + */ + to_slim = phba->MBslimaddr + + (SLIMOFF + (pring->ringno * 2) + 1) * 4; + writeb(pring->rspidx, to_slim); + + if (pring->rspidx == portRspPut) + portRspPut = le32_to_cpu(pgp->rspPutInx); + } + + ha_copy = readl(phba->HAregaddr); + ha_copy >>= (LPFC_FCP_RING * 4); + + if ((rsp_cmpl > 0) && (ha_copy & HA_R0RE_REQ)) { + pring->stats.iocb_rsp_full++; + status = ((CA_R0ATT | CA_R0RE_RSP) << (LPFC_FCP_RING * 4)); + writel(status, phba->CAregaddr); + readl(phba->CAregaddr); + } + if ((ha_copy & HA_R0CE_RSP) && + (pring->flag & LPFC_CALL_RING_AVAILABLE)) { + pring->flag &= ~LPFC_CALL_RING_AVAILABLE; + pring->stats.iocb_cmd_empty++; + + /* Force update of the local copy of cmdGetInx */ + pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); + lpfc_sli_resume_iocb(phba, pring); + + if ((pring->lpfc_sli_cmd_available)) + (pring->lpfc_sli_cmd_available) (phba, pring); + + } + + return; +} + /* * This routine presumes LPFC_FCP_RING handling and doesn't bother * to check it explicitly. @@ -917,24 +1093,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba, portRspMax = pring->numRiocb; portRspPut = le32_to_cpu(pgp->rspPutInx); if (unlikely(portRspPut >= portRspMax)) { - /* - * Ring <ringno> handler: portRspPut <portRspPut> is bigger then - * rsp ring <portRspMax> - */ - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "%d:0312 Ring %d handler: portRspPut %d " - "is bigger then rsp ring %d\n", - phba->brd_no, pring->ringno, portRspPut, - portRspMax); - - phba->hba_state = LPFC_HBA_ERROR; - - /* All error attention handlers are posted to worker thread */ - phba->work_ha |= HA_ERATT; - phba->work_hs = HS_FFER3; - if (phba->work_wait) - wake_up(phba->work_wait); - + lpfc_sli_rsp_pointers_error(phba, pring); spin_unlock_irqrestore(phba->host->host_lock, iflag); return 1; } @@ -947,6 +1106,10 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba, * network byte order and pci byte orders are different. */ entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx); + + if (++pring->rspidx >= portRspMax) + pring->rspidx = 0; + lpfc_sli_pcimem_bcopy((uint32_t *) entry, (uint32_t *) &rspiocbq.iocb, sizeof (IOCB_t)); @@ -1020,9 +1183,6 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba, * been updated, sync the pgp->rspPutInx and fetch the new port * response put pointer. */ - if (++pring->rspidx >= portRspMax) - pring->rspidx = 0; - to_slim = phba->MBslimaddr + (SLIMOFF + (pring->ringno * 2) + 1) * 4; writel(pring->rspidx, to_slim); @@ -2615,6 +2775,7 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba, DECLARE_WAIT_QUEUE_HEAD(done_q); long timeleft, timeout_req = 0; int retval = IOCB_SUCCESS; + uint32_t creg_val; /* * If the caller has provided a response iocbq buffer, then context2 @@ -2630,6 +2791,13 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba, piocb->context_un.wait_queue = &done_q; piocb->iocb_flag &= ~LPFC_IO_WAKE; + if (phba->cfg_poll & DISABLE_FCP_RING_INT) { + creg_val = readl(phba->HCregaddr); + creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); + writel(creg_val, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + } + retval = lpfc_sli_issue_iocb(phba, pring, piocb, 0); if (retval == IOCB_SUCCESS) { timeout_req = timeout * HZ; @@ -2663,6 +2831,13 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba, retval = IOCB_ERROR; } + if (phba->cfg_poll & DISABLE_FCP_RING_INT) { + creg_val = readl(phba->HCregaddr); + creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); + writel(creg_val, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + } + if (prspiocbq) piocb->context2 = NULL; diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index 4f0466fbd5f2..fa681a934ffe 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -18,7 +18,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "8.1.0" +#define LPFC_DRIVER_VERSION "8.1.1" #define LPFC_DRIVER_NAME "lpfc" |