| /* |
| * QLogic Fibre Channel HBA Driver |
| * Copyright (c) 2003-2008 QLogic Corporation |
| * |
| * See LICENSE.qla2xxx for copyright and licensing details. |
| */ |
| #include "qla_def.h" |
| |
| #include <linux/delay.h> |
| #include <linux/vmalloc.h> |
| |
| #include "qla_devtbl.h" |
| |
| #ifdef CONFIG_SPARC |
| #include <asm/prom.h> |
| #endif |
| |
| /* |
| * QLogic ISP2x00 Hardware Support Function Prototypes. |
| */ |
| static int qla2x00_isp_firmware(scsi_qla_host_t *); |
| static void qla2x00_resize_request_q(scsi_qla_host_t *); |
| static int qla2x00_setup_chip(scsi_qla_host_t *); |
| static void qla2x00_init_response_q_entries(scsi_qla_host_t *); |
| static int qla2x00_init_rings(scsi_qla_host_t *); |
| static int qla2x00_fw_ready(scsi_qla_host_t *); |
| static int qla2x00_configure_hba(scsi_qla_host_t *); |
| static int qla2x00_configure_loop(scsi_qla_host_t *); |
| static int qla2x00_configure_local_loop(scsi_qla_host_t *); |
| static int qla2x00_configure_fabric(scsi_qla_host_t *); |
| static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); |
| static int qla2x00_device_resync(scsi_qla_host_t *); |
| static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, |
| uint16_t *); |
| |
| static int qla2x00_restart_isp(scsi_qla_host_t *); |
| |
| static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev); |
| |
| static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *); |
| static int qla84xx_init_chip(scsi_qla_host_t *); |
| |
| /****************************************************************************/ |
| /* QLogic ISP2x00 Hardware Support Functions. */ |
| /****************************************************************************/ |
| |
| /* |
| * qla2x00_initialize_adapter |
| * Initialize board. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * |
| * Returns: |
| * 0 = success |
| */ |
| int |
| qla2x00_initialize_adapter(scsi_qla_host_t *ha) |
| { |
| int rval; |
| |
| /* Clear adapter flags. */ |
| ha->flags.online = 0; |
| ha->flags.reset_active = 0; |
| atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); |
| atomic_set(&ha->loop_state, LOOP_DOWN); |
| ha->device_flags = DFLG_NO_CABLE; |
| ha->dpc_flags = 0; |
| ha->flags.management_server_logged_in = 0; |
| ha->marker_needed = 0; |
| ha->mbx_flags = 0; |
| ha->isp_abort_cnt = 0; |
| ha->beacon_blink_led = 0; |
| set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); |
| |
| qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); |
| rval = ha->isp_ops->pci_config(ha); |
| if (rval) { |
| DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n", |
| ha->host_no)); |
| return (rval); |
| } |
| |
| ha->isp_ops->reset_chip(ha); |
| |
| ha->isp_ops->get_flash_version(ha, ha->request_ring); |
| |
| qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); |
| |
| ha->isp_ops->nvram_config(ha); |
| |
| if (ha->flags.disable_serdes) { |
| /* Mask HBA via NVRAM settings? */ |
| qla_printk(KERN_INFO, ha, "Masking HBA WWPN " |
| "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n", |
| ha->port_name[0], ha->port_name[1], |
| ha->port_name[2], ha->port_name[3], |
| ha->port_name[4], ha->port_name[5], |
| ha->port_name[6], ha->port_name[7]); |
| return QLA_FUNCTION_FAILED; |
| } |
| |
| qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); |
| |
| if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { |
| rval = ha->isp_ops->chip_diag(ha); |
| if (rval) |
| return (rval); |
| rval = qla2x00_setup_chip(ha); |
| if (rval) |
| return (rval); |
| qla2xxx_get_flash_info(ha); |
| } |
| if (IS_QLA84XX(ha)) { |
| ha->cs84xx = qla84xx_get_chip(ha); |
| if (!ha->cs84xx) { |
| qla_printk(KERN_ERR, ha, |
| "Unable to configure ISP84XX.\n"); |
| return QLA_FUNCTION_FAILED; |
| } |
| } |
| rval = qla2x00_init_rings(ha); |
| |
| return (rval); |
| } |
| |
| /** |
| * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. |
| * @ha: HA context |
| * |
| * Returns 0 on success. |
| */ |
| int |
| qla2100_pci_config(scsi_qla_host_t *ha) |
| { |
| uint16_t w; |
| uint32_t d; |
| unsigned long flags; |
| struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| |
| pci_set_master(ha->pdev); |
| pci_try_set_mwi(ha->pdev); |
| |
| pci_read_config_word(ha->pdev, PCI_COMMAND, &w); |
| w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); |
| pci_write_config_word(ha->pdev, PCI_COMMAND, w); |
| |
| /* Reset expansion ROM address decode enable */ |
| pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); |
| d &= ~PCI_ROM_ADDRESS_ENABLE; |
| pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); |
| |
| /* Get PCI bus information. */ |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| ha->pci_attr = RD_REG_WORD(®->ctrl_status); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| return QLA_SUCCESS; |
| } |
| |
| /** |
| * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. |
| * @ha: HA context |
| * |
| * Returns 0 on success. |
| */ |
| int |
| qla2300_pci_config(scsi_qla_host_t *ha) |
| { |
| uint16_t w; |
| uint32_t d; |
| unsigned long flags = 0; |
| uint32_t cnt; |
| struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| |
| pci_set_master(ha->pdev); |
| pci_try_set_mwi(ha->pdev); |
| |
| pci_read_config_word(ha->pdev, PCI_COMMAND, &w); |
| w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); |
| |
| if (IS_QLA2322(ha) || IS_QLA6322(ha)) |
| w &= ~PCI_COMMAND_INTX_DISABLE; |
| pci_write_config_word(ha->pdev, PCI_COMMAND, w); |
| |
| /* |
| * If this is a 2300 card and not 2312, reset the |
| * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, |
| * the 2310 also reports itself as a 2300 so we need to get the |
| * fb revision level -- a 6 indicates it really is a 2300 and |
| * not a 2310. |
| */ |
| if (IS_QLA2300(ha)) { |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| |
| /* Pause RISC. */ |
| WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); |
| for (cnt = 0; cnt < 30000; cnt++) { |
| if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) != 0) |
| break; |
| |
| udelay(10); |
| } |
| |
| /* Select FPM registers. */ |
| WRT_REG_WORD(®->ctrl_status, 0x20); |
| RD_REG_WORD(®->ctrl_status); |
| |
| /* Get the fb rev level */ |
| ha->fb_rev = RD_FB_CMD_REG(ha, reg); |
| |
| if (ha->fb_rev == FPM_2300) |
| pci_clear_mwi(ha->pdev); |
| |
| /* Deselect FPM registers. */ |
| WRT_REG_WORD(®->ctrl_status, 0x0); |
| RD_REG_WORD(®->ctrl_status); |
| |
| /* Release RISC module. */ |
| WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); |
| for (cnt = 0; cnt < 30000; cnt++) { |
| if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0) |
| break; |
| |
| udelay(10); |
| } |
| |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| } |
| |
| pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); |
| |
| /* Reset expansion ROM address decode enable */ |
| pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); |
| d &= ~PCI_ROM_ADDRESS_ENABLE; |
| pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); |
| |
| /* Get PCI bus information. */ |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| ha->pci_attr = RD_REG_WORD(®->ctrl_status); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| return QLA_SUCCESS; |
| } |
| |
| /** |
| * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers. |
| * @ha: HA context |
| * |
| * Returns 0 on success. |
| */ |
| int |
| qla24xx_pci_config(scsi_qla_host_t *ha) |
| { |
| uint16_t w; |
| uint32_t d; |
| unsigned long flags = 0; |
| struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| |
| pci_set_master(ha->pdev); |
| pci_try_set_mwi(ha->pdev); |
| |
| pci_read_config_word(ha->pdev, PCI_COMMAND, &w); |
| w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); |
| w &= ~PCI_COMMAND_INTX_DISABLE; |
| pci_write_config_word(ha->pdev, PCI_COMMAND, w); |
| |
| pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); |
| |
| /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */ |
| if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX)) |
| pcix_set_mmrbc(ha->pdev, 2048); |
| |
| /* PCIe -- adjust Maximum Read Request Size (2048). */ |
| if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP)) |
| pcie_set_readrq(ha->pdev, 2048); |
| |
| /* Reset expansion ROM address decode enable */ |
| pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); |
| d &= ~PCI_ROM_ADDRESS_ENABLE; |
| pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); |
| |
| ha->chip_revision = ha->pdev->revision; |
| |
| /* Get PCI bus information. */ |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| ha->pci_attr = RD_REG_DWORD(®->ctrl_status); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| return QLA_SUCCESS; |
| } |
| |
| /** |
| * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers. |
| * @ha: HA context |
| * |
| * Returns 0 on success. |
| */ |
| int |
| qla25xx_pci_config(scsi_qla_host_t *ha) |
| { |
| uint16_t w; |
| uint32_t d; |
| |
| pci_set_master(ha->pdev); |
| pci_try_set_mwi(ha->pdev); |
| |
| pci_read_config_word(ha->pdev, PCI_COMMAND, &w); |
| w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); |
| w &= ~PCI_COMMAND_INTX_DISABLE; |
| pci_write_config_word(ha->pdev, PCI_COMMAND, w); |
| |
| /* PCIe -- adjust Maximum Read Request Size (2048). */ |
| if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP)) |
| pcie_set_readrq(ha->pdev, 2048); |
| |
| /* Reset expansion ROM address decode enable */ |
| pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); |
| d &= ~PCI_ROM_ADDRESS_ENABLE; |
| pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); |
| |
| ha->chip_revision = ha->pdev->revision; |
| |
| return QLA_SUCCESS; |
| } |
| |
| /** |
| * qla2x00_isp_firmware() - Choose firmware image. |
| * @ha: HA context |
| * |
| * Returns 0 on success. |
| */ |
| static int |
| qla2x00_isp_firmware(scsi_qla_host_t *ha) |
| { |
| int rval; |
| |
| /* Assume loading risc code */ |
| rval = QLA_FUNCTION_FAILED; |
| |
| if (ha->flags.disable_risc_code_load) { |
| DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", |
| ha->host_no)); |
| qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); |
| |
| /* Verify checksum of loaded RISC code. */ |
| rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address); |
| } |
| |
| if (rval) { |
| DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", |
| ha->host_no)); |
| } |
| |
| return (rval); |
| } |
| |
| /** |
| * qla2x00_reset_chip() - Reset ISP chip. |
| * @ha: HA context |
| * |
| * Returns 0 on success. |
| */ |
| void |
| qla2x00_reset_chip(scsi_qla_host_t *ha) |
| { |
| unsigned long flags = 0; |
| struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| uint32_t cnt; |
| uint16_t cmd; |
| |
| ha->isp_ops->disable_intrs(ha); |
| |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| |
| /* Turn off master enable */ |
| cmd = 0; |
| pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); |
| cmd &= ~PCI_COMMAND_MASTER; |
| pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); |
| |
| if (!IS_QLA2100(ha)) { |
| /* Pause RISC. */ |
| WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); |
| if (IS_QLA2200(ha) || IS_QLA2300(ha)) { |
| for (cnt = 0; cnt < 30000; cnt++) { |
| if ((RD_REG_WORD(®->hccr) & |
| HCCR_RISC_PAUSE) != 0) |
| break; |
| udelay(100); |
| } |
| } else { |
| RD_REG_WORD(®->hccr); /* PCI Posting. */ |
| udelay(10); |
| } |
| |
| /* Select FPM registers. */ |
| WRT_REG_WORD(®->ctrl_status, 0x20); |
| RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ |
| |
| /* FPM Soft Reset. */ |
| WRT_REG_WORD(®->fpm_diag_config, 0x100); |
| RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ |
| |
| /* Toggle Fpm Reset. */ |
| if (!IS_QLA2200(ha)) { |
| WRT_REG_WORD(®->fpm_diag_config, 0x0); |
| RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ |
| } |
| |
| /* Select frame buffer registers. */ |
| WRT_REG_WORD(®->ctrl_status, 0x10); |
| RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ |
| |
| /* Reset frame buffer FIFOs. */ |
| if (IS_QLA2200(ha)) { |
| WRT_FB_CMD_REG(ha, reg, 0xa000); |
| RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ |
| } else { |
| WRT_FB_CMD_REG(ha, reg, 0x00fc); |
| |
| /* Read back fb_cmd until zero or 3 seconds max */ |
| for (cnt = 0; cnt < 3000; cnt++) { |
| if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) |
| break; |
| udelay(100); |
| } |
| } |
| |
| /* Select RISC module registers. */ |
| WRT_REG_WORD(®->ctrl_status, 0); |
| RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ |
| |
| /* Reset RISC processor. */ |
| WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); |
| RD_REG_WORD(®->hccr); /* PCI Posting. */ |
| |
| /* Release RISC processor. */ |
| WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); |
| RD_REG_WORD(®->hccr); /* PCI Posting. */ |
| } |
| |
| WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); |
| WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); |
| |
| /* Reset ISP chip. */ |
| WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); |
| |
| /* Wait for RISC to recover from reset. */ |
| if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { |
| /* |
| * It is necessary to for a delay here since the card doesn't |
| * respond to PCI reads during a reset. On some architectures |
| * this will result in an MCA. |
| */ |
| udelay(20); |
| for (cnt = 30000; cnt; cnt--) { |
| if ((RD_REG_WORD(®->ctrl_status) & |
| CSR_ISP_SOFT_RESET) == 0) |
| break; |
| udelay(100); |
| } |
| } else |
| udelay(10); |
| |
| /* Reset RISC processor. */ |
| WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); |
| |
| WRT_REG_WORD(®->semaphore, 0); |
| |
| /* Release RISC processor. */ |
| WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); |
| RD_REG_WORD(®->hccr); /* PCI Posting. */ |
| |
| if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { |
| for (cnt = 0; cnt < 30000; cnt++) { |
| if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) |
| break; |
| |
| udelay(100); |
| } |
| } else |
| udelay(100); |
| |
| /* Turn on master enable */ |
| cmd |= PCI_COMMAND_MASTER; |
| pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); |
| |
| /* Disable RISC pause on FPM parity error. */ |
| if (!IS_QLA2100(ha)) { |
| WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); |
| RD_REG_WORD(®->hccr); /* PCI Posting. */ |
| } |
| |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| } |
| |
| /** |
| * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC. |
| * @ha: HA context |
| * |
| * Returns 0 on success. |
| */ |
| static inline void |
| qla24xx_reset_risc(scsi_qla_host_t *ha) |
| { |
| int hw_evt = 0; |
| unsigned long flags = 0; |
| struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| uint32_t cnt, d2; |
| uint16_t wd; |
| |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| |
| /* Reset RISC. */ |
| WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); |
| for (cnt = 0; cnt < 30000; cnt++) { |
| if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) |
| break; |
| |
| udelay(10); |
| } |
| |
| WRT_REG_DWORD(®->ctrl_status, |
| CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); |
| pci_read_config_word(ha->pdev, PCI_COMMAND, &wd); |
| |
| udelay(100); |
| /* Wait for firmware to complete NVRAM accesses. */ |
| d2 = (uint32_t) RD_REG_WORD(®->mailbox0); |
| for (cnt = 10000 ; cnt && d2; cnt--) { |
| udelay(5); |
| d2 = (uint32_t) RD_REG_WORD(®->mailbox0); |
| barrier(); |
| } |
| if (cnt == 0) |
| hw_evt = 1; |
| |
| /* Wait for soft-reset to complete. */ |
| d2 = RD_REG_DWORD(®->ctrl_status); |
| for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) { |
| udelay(5); |
| d2 = RD_REG_DWORD(®->ctrl_status); |
| barrier(); |
| } |
| if (cnt == 0 || hw_evt) |
| qla2xxx_hw_event_log(ha, HW_EVENT_RESET_ERR, |
| RD_REG_WORD(®->mailbox1), RD_REG_WORD(®->mailbox2), |
| RD_REG_WORD(®->mailbox3)); |
| |
| WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); |
| RD_REG_DWORD(®->hccr); |
| |
| WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); |
| RD_REG_DWORD(®->hccr); |
| |
| WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET); |
| RD_REG_DWORD(®->hccr); |
| |
| d2 = (uint32_t) RD_REG_WORD(®->mailbox0); |
| for (cnt = 6000000 ; cnt && d2; cnt--) { |
| udelay(5); |
| d2 = (uint32_t) RD_REG_WORD(®->mailbox0); |
| barrier(); |
| } |
| |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| } |
| |
| /** |
| * qla24xx_reset_chip() - Reset ISP24xx chip. |
| * @ha: HA context |
| * |
| * Returns 0 on success. |
| */ |
| void |
| qla24xx_reset_chip(scsi_qla_host_t *ha) |
| { |
| ha->isp_ops->disable_intrs(ha); |
| |
| /* Perform RISC reset. */ |
| qla24xx_reset_risc(ha); |
| } |
| |
| /** |
| * qla2x00_chip_diag() - Test chip for proper operation. |
| * @ha: HA context |
| * |
| * Returns 0 on success. |
| */ |
| int |
| qla2x00_chip_diag(scsi_qla_host_t *ha) |
| { |
| int rval; |
| struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| unsigned long flags = 0; |
| uint16_t data; |
| uint32_t cnt; |
| uint16_t mb[5]; |
| |
| /* Assume a failed state */ |
| rval = QLA_FUNCTION_FAILED; |
| |
| DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", |
| ha->host_no, (u_long)®->flash_address)); |
| |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| |
| /* Reset ISP chip. */ |
| WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); |
| |
| /* |
| * We need to have a delay here since the card will not respond while |
| * in reset causing an MCA on some architectures. |
| */ |
| udelay(20); |
| data = qla2x00_debounce_register(®->ctrl_status); |
| for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { |
| udelay(5); |
| data = RD_REG_WORD(®->ctrl_status); |
| barrier(); |
| } |
| |
| if (!cnt) |
| goto chip_diag_failed; |
| |
| DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", |
| ha->host_no)); |
| |
| /* Reset RISC processor. */ |
| WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); |
| WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); |
| |
| /* Workaround for QLA2312 PCI parity error */ |
| if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { |
| data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); |
| for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { |
| udelay(5); |
| data = RD_MAILBOX_REG(ha, reg, 0); |
| barrier(); |
| } |
| } else |
| udelay(10); |
| |
| if (!cnt) |
| goto chip_diag_failed; |
| |
| /* Check product ID of chip */ |
| DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); |
| |
| mb[1] = RD_MAILBOX_REG(ha, reg, 1); |
| mb[2] = RD_MAILBOX_REG(ha, reg, 2); |
| mb[3] = RD_MAILBOX_REG(ha, reg, 3); |
| mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); |
| if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || |
| mb[3] != PROD_ID_3) { |
| qla_printk(KERN_WARNING, ha, |
| "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); |
| |
| goto chip_diag_failed; |
| } |
| ha->product_id[0] = mb[1]; |
| ha->product_id[1] = mb[2]; |
| ha->product_id[2] = mb[3]; |
| ha->product_id[3] = mb[4]; |
| |
| /* Adjust fw RISC transfer size */ |
| if (ha->request_q_length > 1024) |
| ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; |
| else |
| ha->fw_transfer_size = REQUEST_ENTRY_SIZE * |
| ha->request_q_length; |
| |
| if (IS_QLA2200(ha) && |
| RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { |
| /* Limit firmware transfer size with a 2200A */ |
| DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", |
| ha->host_no)); |
| |
| ha->device_type |= DT_ISP2200A; |
| ha->fw_transfer_size = 128; |
| } |
| |
| /* Wrap Incoming Mailboxes Test. */ |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); |
| rval = qla2x00_mbx_reg_test(ha); |
| if (rval) { |
| DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", |
| ha->host_no)); |
| qla_printk(KERN_WARNING, ha, |
| "Failed mailbox send register test\n"); |
| } |
| else { |
| /* Flag a successful rval */ |
| rval = QLA_SUCCESS; |
| } |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| |
| chip_diag_failed: |
| if (rval) |
| DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " |
| "****\n", ha->host_no)); |
| |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| return (rval); |
| } |
| |
| /** |
| * qla24xx_chip_diag() - Test ISP24xx for proper operation. |
| * @ha: HA context |
| * |
| * Returns 0 on success. |
| */ |
| int |
| qla24xx_chip_diag(scsi_qla_host_t *ha) |
| { |
| int rval; |
| |
| /* Perform RISC reset. */ |
| qla24xx_reset_risc(ha); |
| |
| ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; |
| |
| rval = qla2x00_mbx_reg_test(ha); |
| if (rval) { |
| DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", |
| ha->host_no)); |
| qla_printk(KERN_WARNING, ha, |
| "Failed mailbox send register test\n"); |
| } else { |
| /* Flag a successful rval */ |
| rval = QLA_SUCCESS; |
| } |
| |
| return rval; |
| } |
| |
| void |
| qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) |
| { |
| int rval; |
| uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size, |
| eft_size, fce_size; |
| dma_addr_t tc_dma; |
| void *tc; |
| |
| if (ha->fw_dump) { |
| qla_printk(KERN_WARNING, ha, |
| "Firmware dump previously allocated.\n"); |
| return; |
| } |
| |
| ha->fw_dumped = 0; |
| fixed_size = mem_size = eft_size = fce_size = 0; |
| if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
| fixed_size = sizeof(struct qla2100_fw_dump); |
| } else if (IS_QLA23XX(ha)) { |
| fixed_size = offsetof(struct qla2300_fw_dump, data_ram); |
| mem_size = (ha->fw_memory_size - 0x11000 + 1) * |
| sizeof(uint16_t); |
| } else if (IS_FWI2_CAPABLE(ha)) { |
| fixed_size = IS_QLA25XX(ha) ? |
| offsetof(struct qla25xx_fw_dump, ext_mem): |
| offsetof(struct qla24xx_fw_dump, ext_mem); |
| mem_size = (ha->fw_memory_size - 0x100000 + 1) * |
| sizeof(uint32_t); |
| |
| /* Allocate memory for Extended Trace Buffer. */ |
| tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma, |
| GFP_KERNEL); |
| if (!tc) { |
| qla_printk(KERN_WARNING, ha, "Unable to allocate " |
| "(%d KB) for EFT.\n", EFT_SIZE / 1024); |
| goto cont_alloc; |
| } |
| |
| memset(tc, 0, EFT_SIZE); |
| rval = qla2x00_enable_eft_trace(ha, tc_dma, EFT_NUM_BUFFERS); |
| if (rval) { |
| qla_printk(KERN_WARNING, ha, "Unable to initialize " |
| "EFT (%d).\n", rval); |
| dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, |
| tc_dma); |
| goto cont_alloc; |
| } |
| |
| qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n", |
| EFT_SIZE / 1024); |
| |
| eft_size = EFT_SIZE; |
| ha->eft_dma = tc_dma; |
| ha->eft = tc; |
| |
| /* Allocate memory for Fibre Channel Event Buffer. */ |
| if (!IS_QLA25XX(ha)) |
| goto cont_alloc; |
| |
| tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma, |
| GFP_KERNEL); |
| if (!tc) { |
| qla_printk(KERN_WARNING, ha, "Unable to allocate " |
| "(%d KB) for FCE.\n", FCE_SIZE / 1024); |
| goto cont_alloc; |
| } |
| |
| memset(tc, 0, FCE_SIZE); |
| rval = qla2x00_enable_fce_trace(ha, tc_dma, FCE_NUM_BUFFERS, |
| ha->fce_mb, &ha->fce_bufs); |
| if (rval) { |
| qla_printk(KERN_WARNING, ha, "Unable to initialize " |
| "FCE (%d).\n", rval); |
| dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, |
| tc_dma); |
| ha->flags.fce_enabled = 0; |
| goto cont_alloc; |
| } |
| |
| qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n", |
| FCE_SIZE / 1024); |
| |
| fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE; |
| ha->flags.fce_enabled = 1; |
| ha->fce_dma = tc_dma; |
| ha->fce = tc; |
| } |
| cont_alloc: |
| req_q_size = ha->request_q_length * sizeof(request_t); |
| rsp_q_size = ha->response_q_length * sizeof(response_t); |
| |
| dump_size = offsetof(struct qla2xxx_fw_dump, isp); |
| dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + |
| eft_size + fce_size; |
| |
| ha->fw_dump = vmalloc(dump_size); |
| if (!ha->fw_dump) { |
| qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for " |
| "firmware dump!!!\n", dump_size / 1024); |
| |
| if (ha->eft) { |
| dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft, |
| ha->eft_dma); |
| ha->eft = NULL; |
| ha->eft_dma = 0; |
| } |
| return; |
| } |
| |
| qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n", |
| dump_size / 1024); |
| |
| ha->fw_dump_len = dump_size; |
| ha->fw_dump->signature[0] = 'Q'; |
| ha->fw_dump->signature[1] = 'L'; |
| ha->fw_dump->signature[2] = 'G'; |
| ha->fw_dump->signature[3] = 'C'; |
| ha->fw_dump->version = __constant_htonl(1); |
| |
| ha->fw_dump->fixed_size = htonl(fixed_size); |
| ha->fw_dump->mem_size = htonl(mem_size); |
| ha->fw_dump->req_q_size = htonl(req_q_size); |
| ha->fw_dump->rsp_q_size = htonl(rsp_q_size); |
| |
| ha->fw_dump->eft_size = htonl(eft_size); |
| ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma)); |
| ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma)); |
| |
| ha->fw_dump->header_size = |
| htonl(offsetof(struct qla2xxx_fw_dump, isp)); |
| } |
| |
| /** |
| * qla2x00_resize_request_q() - Resize request queue given available ISP memory. |
| * @ha: HA context |
| * |
| * Returns 0 on success. |
| */ |
| static void |
| qla2x00_resize_request_q(scsi_qla_host_t *ha) |
| { |
| int rval; |
| uint16_t fw_iocb_cnt = 0; |
| uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; |
| dma_addr_t request_dma; |
| request_t *request_ring; |
| |
| /* Valid only on recent ISPs. */ |
| if (IS_QLA2100(ha) || IS_QLA2200(ha)) |
| return; |
| |
| /* Retrieve IOCB counts available to the firmware. */ |
| rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt, |
| &ha->max_npiv_vports); |
| if (rval) |
| return; |
| /* No point in continuing if current settings are sufficient. */ |
| if (fw_iocb_cnt < 1024) |
| return; |
| if (ha->request_q_length >= request_q_length) |
| return; |
| |
| /* Attempt to claim larger area for request queue. */ |
| request_ring = dma_alloc_coherent(&ha->pdev->dev, |
| (request_q_length + 1) * sizeof(request_t), &request_dma, |
| GFP_KERNEL); |
| if (request_ring == NULL) |
| return; |
| |
| /* Resize successful, report extensions. */ |
| qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", |
| (ha->fw_memory_size + 1) / 1024); |
| qla_printk(KERN_INFO, ha, "Resizing request queue depth " |
| "(%d -> %d)...\n", ha->request_q_length, request_q_length); |
| |
| /* Clear old allocations. */ |
| dma_free_coherent(&ha->pdev->dev, |
| (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, |
| ha->request_dma); |
| |
| /* Begin using larger queue. */ |
| ha->request_q_length = request_q_length; |
| ha->request_ring = request_ring; |
| ha->request_dma = request_dma; |
| } |
| |
| /** |
| * qla2x00_setup_chip() - Load and start RISC firmware. |
| * @ha: HA context |
| * |
| * Returns 0 on success. |
| */ |
| static int |
| qla2x00_setup_chip(scsi_qla_host_t *ha) |
| { |
| int rval; |
| uint32_t srisc_address = 0; |
| struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| unsigned long flags; |
| |
| if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { |
| /* Disable SRAM, Instruction RAM and GP RAM parity. */ |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| WRT_REG_WORD(®->hccr, (HCCR_ENABLE_PARITY + 0x0)); |
| RD_REG_WORD(®->hccr); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| } |
| |
| /* Load firmware sequences */ |
| rval = ha->isp_ops->load_risc(ha, &srisc_address); |
| if (rval == QLA_SUCCESS) { |
| DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " |
| "code.\n", ha->host_no)); |
| |
| rval = qla2x00_verify_checksum(ha, srisc_address); |
| if (rval == QLA_SUCCESS) { |
| /* Start firmware execution. */ |
| DEBUG(printk("scsi(%ld): Checksum OK, start " |
| "firmware.\n", ha->host_no)); |
| |
| rval = qla2x00_execute_fw(ha, srisc_address); |
| /* Retrieve firmware information. */ |
| if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { |
| qla2x00_get_fw_version(ha, |
| &ha->fw_major_version, |
| &ha->fw_minor_version, |
| &ha->fw_subminor_version, |
| &ha->fw_attributes, &ha->fw_memory_size); |
| qla2x00_resize_request_q(ha); |
| ha->flags.npiv_supported = 0; |
| if ((IS_QLA24XX(ha) || IS_QLA25XX(ha)) && |
| (ha->fw_attributes & BIT_2)) { |
| ha->flags.npiv_supported = 1; |
| if ((!ha->max_npiv_vports) || |
| ((ha->max_npiv_vports + 1) % |
| MIN_MULTI_ID_FABRIC)) |
| ha->max_npiv_vports = |
| MIN_MULTI_ID_FABRIC - 1; |
| } |
| |
| if (ql2xallocfwdump) |
| qla2x00_alloc_fw_dump(ha); |
| } |
| } else { |
| DEBUG2(printk(KERN_INFO |
| "scsi(%ld): ISP Firmware failed checksum.\n", |
| ha->host_no)); |
| } |
| } |
| |
| if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { |
| /* Enable proper parity. */ |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| if (IS_QLA2300(ha)) |
| /* SRAM parity */ |
| WRT_REG_WORD(®->hccr, HCCR_ENABLE_PARITY + 0x1); |
| else |
| /* SRAM, Instruction RAM and GP RAM parity */ |
| WRT_REG_WORD(®->hccr, HCCR_ENABLE_PARITY + 0x7); |
| RD_REG_WORD(®->hccr); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| } |
| |
| if (rval) { |
| DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", |
| ha->host_no)); |
| } |
| |
| return (rval); |
| } |
| |
| /** |
| * qla2x00_init_response_q_entries() - Initializes response queue entries. |
| * @ha: HA context |
| * |
| * Beginning of request ring has initialization control block already built |
| * by nvram config routine. |
| * |
| * Returns 0 on success. |
| */ |
| static void |
| qla2x00_init_response_q_entries(scsi_qla_host_t *ha) |
| { |
| uint16_t cnt; |
| response_t *pkt; |
| |
| pkt = ha->response_ring_ptr; |
| for (cnt = 0; cnt < ha->response_q_length; cnt++) { |
| pkt->signature = RESPONSE_PROCESSED; |
| pkt++; |
| } |
| |
| } |
| |
| /** |
| * qla2x00_update_fw_options() - Read and process firmware options. |
| * @ha: HA context |
| * |
| * Returns 0 on success. |
| */ |
| void |
| qla2x00_update_fw_options(scsi_qla_host_t *ha) |
| { |
| uint16_t swing, emphasis, tx_sens, rx_sens; |
| |
| memset(ha->fw_options, 0, sizeof(ha->fw_options)); |
| qla2x00_get_fw_options(ha, ha->fw_options); |
| |
| if (IS_QLA2100(ha) || IS_QLA2200(ha)) |
| return; |
| |
| /* Serial Link options. */ |
| DEBUG3(printk("scsi(%ld): Serial link options:\n", |
| ha->host_no)); |
| DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, |
| sizeof(ha->fw_seriallink_options))); |
| |
| ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; |
| if (ha->fw_seriallink_options[3] & BIT_2) { |
| ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; |
| |
| /* 1G settings */ |
| swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); |
| emphasis = (ha->fw_seriallink_options[2] & |
| (BIT_4 | BIT_3)) >> 3; |
| tx_sens = ha->fw_seriallink_options[0] & |
| (BIT_3 | BIT_2 | BIT_1 | BIT_0); |
| rx_sens = (ha->fw_seriallink_options[0] & |
| (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; |
| ha->fw_options[10] = (emphasis << 14) | (swing << 8); |
| if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { |
| if (rx_sens == 0x0) |
| rx_sens = 0x3; |
| ha->fw_options[10] |= (tx_sens << 4) | rx_sens; |
| } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) |
| ha->fw_options[10] |= BIT_5 | |
| ((rx_sens & (BIT_1 | BIT_0)) << 2) | |
| (tx_sens & (BIT_1 | BIT_0)); |
| |
| /* 2G settings */ |
| swing = (ha->fw_seriallink_options[2] & |
| (BIT_7 | BIT_6 | BIT_5)) >> 5; |
| emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); |
| tx_sens = ha->fw_seriallink_options[1] & |
| (BIT_3 | BIT_2 | BIT_1 | BIT_0); |
| rx_sens = (ha->fw_seriallink_options[1] & |
| (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; |
| ha->fw_options[11] = (emphasis << 14) | (swing << 8); |
| if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { |
| if (rx_sens == 0x0) |
| rx_sens = 0x3; |
| ha->fw_options[11] |= (tx_sens << 4) | rx_sens; |
| } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) |
| ha->fw_options[11] |= BIT_5 | |
| ((rx_sens & (BIT_1 | BIT_0)) << 2) | |
| (tx_sens & (BIT_1 | BIT_0)); |
| } |
| |
| /* FCP2 options. */ |
| /* Return command IOCBs without waiting for an ABTS to complete. */ |
| ha->fw_options[3] |= BIT_13; |
| |
| /* LED scheme. */ |
| if (ha->flags.enable_led_scheme) |
| ha->fw_options[2] |= BIT_12; |
| |
| /* Detect ISP6312. */ |
| if (IS_QLA6312(ha)) |
| ha->fw_options[2] |= BIT_13; |
| |
| /* Update firmware options. */ |
| qla2x00_set_fw_options(ha, ha->fw_options); |
| } |
| |
| void |
| qla24xx_update_fw_options(scsi_qla_host_t *ha) |
| { |
| int rval; |
| |
| /* Update Serial Link options. */ |
| if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0) |
| return; |
| |
| rval = qla2x00_set_serdes_params(ha, |
| le16_to_cpu(ha->fw_seriallink_options24[1]), |
| le16_to_cpu(ha->fw_seriallink_options24[2]), |
| le16_to_cpu(ha->fw_seriallink_options24[3])); |
| if (rval != QLA_SUCCESS) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to update Serial Link options (%x).\n", rval); |
| } |
| } |
| |
| void |
| qla2x00_config_rings(struct scsi_qla_host *ha) |
| { |
| struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| |
| /* Setup ring parameters in initialization control block. */ |
| ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); |
| ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); |
| ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); |
| ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); |
| ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); |
| ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); |
| ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); |
| ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); |
| |
| WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); |
| WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); |
| WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); |
| WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); |
| RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ |
| } |
| |
| void |
| qla24xx_config_rings(struct scsi_qla_host *ha) |
| { |
| struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| struct init_cb_24xx *icb; |
| |
| /* Setup ring parameters in initialization control block. */ |
| icb = (struct init_cb_24xx *)ha->init_cb; |
| icb->request_q_outpointer = __constant_cpu_to_le16(0); |
| icb->response_q_inpointer = __constant_cpu_to_le16(0); |
| icb->request_q_length = cpu_to_le16(ha->request_q_length); |
| icb->response_q_length = cpu_to_le16(ha->response_q_length); |
| icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); |
| icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); |
| icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); |
| icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); |
| |
| WRT_REG_DWORD(®->req_q_in, 0); |
| WRT_REG_DWORD(®->req_q_out, 0); |
| WRT_REG_DWORD(®->rsp_q_in, 0); |
| WRT_REG_DWORD(®->rsp_q_out, 0); |
| RD_REG_DWORD(®->rsp_q_out); |
| } |
| |
| /** |
| * qla2x00_init_rings() - Initializes firmware. |
| * @ha: HA context |
| * |
| * Beginning of request ring has initialization control block already built |
| * by nvram config routine. |
| * |
| * Returns 0 on success. |
| */ |
| static int |
| qla2x00_init_rings(scsi_qla_host_t *ha) |
| { |
| int rval; |
| unsigned long flags = 0; |
| int cnt; |
| struct mid_init_cb_24xx *mid_init_cb = |
| (struct mid_init_cb_24xx *) ha->init_cb; |
| |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| |
| /* Clear outstanding commands array. */ |
| for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) |
| ha->outstanding_cmds[cnt] = NULL; |
| |
| ha->current_outstanding_cmd = 0; |
| |
| /* Clear RSCN queue. */ |
| ha->rscn_in_ptr = 0; |
| ha->rscn_out_ptr = 0; |
| |
| /* Initialize firmware. */ |
| ha->request_ring_ptr = ha->request_ring; |
| ha->req_ring_index = 0; |
| ha->req_q_cnt = ha->request_q_length; |
| ha->response_ring_ptr = ha->response_ring; |
| ha->rsp_ring_index = 0; |
| |
| /* Initialize response queue entries */ |
| qla2x00_init_response_q_entries(ha); |
| |
| ha->isp_ops->config_rings(ha); |
| |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| /* Update any ISP specific firmware options before initialization. */ |
| ha->isp_ops->update_fw_options(ha); |
| |
| DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); |
| |
| if (ha->flags.npiv_supported) |
| mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports); |
| |
| mid_init_cb->options = __constant_cpu_to_le16(BIT_1); |
| |
| rval = qla2x00_init_firmware(ha, ha->init_cb_size); |
| if (rval) { |
| DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", |
| ha->host_no)); |
| } else { |
| DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", |
| ha->host_no)); |
| } |
| |
| return (rval); |
| } |
| |
| /** |
| * qla2x00_fw_ready() - Waits for firmware ready. |
| * @ha: HA context |
| * |
| * Returns 0 on success. |
| */ |
| static int |
| qla2x00_fw_ready(scsi_qla_host_t *ha) |
| { |
| int rval; |
| unsigned long wtime, mtime, cs84xx_time; |
| uint16_t min_wait; /* Minimum wait time if loop is down */ |
| uint16_t wait_time; /* Wait time if loop is coming ready */ |
| uint16_t state[3]; |
| |
| rval = QLA_SUCCESS; |
| |
| /* 20 seconds for loop down. */ |
| min_wait = 20; |
| |
| /* |
| * Firmware should take at most one RATOV to login, plus 5 seconds for |
| * our own processing. |
| */ |
| if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { |
| wait_time = min_wait; |
| } |
| |
| /* Min wait time if loop down */ |
| mtime = jiffies + (min_wait * HZ); |
| |
| /* wait time before firmware ready */ |
| wtime = jiffies + (wait_time * HZ); |
| |
| /* Wait for ISP to finish LIP */ |
| if (!ha->flags.init_done) |
| qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); |
| |
| DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", |
| ha->host_no)); |
| |
| do { |
| rval = qla2x00_get_firmware_state(ha, state); |
| if (rval == QLA_SUCCESS) { |
| if (state[0] < FSTATE_LOSS_OF_SYNC) { |
| ha->device_flags &= ~DFLG_NO_CABLE; |
| } |
| if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) { |
| DEBUG16(printk("scsi(%ld): fw_state=%x " |
| "84xx=%x.\n", ha->host_no, state[0], |
| state[2])); |
| if ((state[2] & FSTATE_LOGGED_IN) && |
| (state[2] & FSTATE_WAITING_FOR_VERIFY)) { |
| DEBUG16(printk("scsi(%ld): Sending " |
| "verify iocb.\n", ha->host_no)); |
| |
| cs84xx_time = jiffies; |
| rval = qla84xx_init_chip(ha); |
| if (rval != QLA_SUCCESS) |
| break; |
| |
| /* Add time taken to initialize. */ |
| cs84xx_time = jiffies - cs84xx_time; |
| wtime += cs84xx_time; |
| mtime += cs84xx_time; |
| DEBUG16(printk("scsi(%ld): Increasing " |
| "wait time by %ld. New time %ld\n", |
| ha->host_no, cs84xx_time, wtime)); |
| } |
| } else if (state[0] == FSTATE_READY) { |
| DEBUG(printk("scsi(%ld): F/W Ready - OK \n", |
| ha->host_no)); |
| |
| qla2x00_get_retry_cnt(ha, &ha->retry_count, |
| &ha->login_timeout, &ha->r_a_tov); |
| |
| rval = QLA_SUCCESS; |
| break; |
| } |
| |
| rval = QLA_FUNCTION_FAILED; |
| |
| if (atomic_read(&ha->loop_down_timer) && |
| state[0] != FSTATE_READY) { |
| /* Loop down. Timeout on min_wait for states |
| * other than Wait for Login. |
| */ |
| if (time_after_eq(jiffies, mtime)) { |
| qla_printk(KERN_INFO, ha, |
| "Cable is unplugged...\n"); |
| |
| ha->device_flags |= DFLG_NO_CABLE; |
| break; |
| } |
| } |
| } else { |
| /* Mailbox cmd failed. Timeout on min_wait. */ |
| if (time_after_eq(jiffies, mtime)) |
| break; |
| } |
| |
| if (time_after_eq(jiffies, wtime)) |
| break; |
| |
| /* Delay for a while */ |
| msleep(500); |
| |
| DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", |
| ha->host_no, state[0], jiffies)); |
| } while (1); |
| |
| DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", |
| ha->host_no, state[0], jiffies)); |
| |
| if (rval) { |
| DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", |
| ha->host_no)); |
| } |
| |
| return (rval); |
| } |
| |
| /* |
| * qla2x00_configure_hba |
| * Setup adapter context. |
| * |
| * Input: |
| * ha = adapter state pointer. |
| * |
| * Returns: |
| * 0 = success |
| * |
| * Context: |
| * Kernel context. |
| */ |
| static int |
| qla2x00_configure_hba(scsi_qla_host_t *ha) |
| { |
| int rval; |
| uint16_t loop_id; |
| uint16_t topo; |
| uint16_t sw_cap; |
| uint8_t al_pa; |
| uint8_t area; |
| uint8_t domain; |
| char connect_type[22]; |
| |
| /* Get host addresses. */ |
| rval = qla2x00_get_adapter_id(ha, |
| &loop_id, &al_pa, &area, &domain, &topo, &sw_cap); |
| if (rval != QLA_SUCCESS) { |
| if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) || |
| (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { |
| DEBUG2(printk("%s(%ld) Loop is in a transition state\n", |
| __func__, ha->host_no)); |
| } else { |
| qla_printk(KERN_WARNING, ha, |
| "ERROR -- Unable to get host loop ID.\n"); |
| set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
| } |
| return (rval); |
| } |
| |
| if (topo == 4) { |
| qla_printk(KERN_INFO, ha, |
| "Cannot get topology - retrying.\n"); |
| return (QLA_FUNCTION_FAILED); |
| } |
| |
| ha->loop_id = loop_id; |
| |
| /* initialize */ |
| ha->min_external_loopid = SNS_FIRST_LOOP_ID; |
| ha->operating_mode = LOOP; |
| ha->switch_cap = 0; |
| |
| switch (topo) { |
| case 0: |
| DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", |
| ha->host_no)); |
| ha->current_topology = ISP_CFG_NL; |
| strcpy(connect_type, "(Loop)"); |
| break; |
| |
| case 1: |
| DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", |
| ha->host_no)); |
| ha->switch_cap = sw_cap; |
| ha->current_topology = ISP_CFG_FL; |
| strcpy(connect_type, "(FL_Port)"); |
| break; |
| |
| case 2: |
| DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", |
| ha->host_no)); |
| ha->operating_mode = P2P; |
| ha->current_topology = ISP_CFG_N; |
| strcpy(connect_type, "(N_Port-to-N_Port)"); |
| break; |
| |
| case 3: |
| DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", |
| ha->host_no)); |
| ha->switch_cap = sw_cap; |
| ha->operating_mode = P2P; |
| ha->current_topology = ISP_CFG_F; |
| strcpy(connect_type, "(F_Port)"); |
| break; |
| |
| default: |
| DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " |
| "Using NL.\n", |
| ha->host_no, topo)); |
| ha->current_topology = ISP_CFG_NL; |
| strcpy(connect_type, "(Loop)"); |
| break; |
| } |
| |
| /* Save Host port and loop ID. */ |
| /* byte order - Big Endian */ |
| ha->d_id.b.domain = domain; |
| ha->d_id.b.area = area; |
| ha->d_id.b.al_pa = al_pa; |
| |
| if (!ha->flags.init_done) |
| qla_printk(KERN_INFO, ha, |
| "Topology - %s, Host Loop address 0x%x\n", |
| connect_type, ha->loop_id); |
| |
| if (rval) { |
| DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); |
| } else { |
| DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); |
| } |
| |
| return(rval); |
| } |
| |
| static inline void |
| qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def) |
| { |
| char *st, *en; |
| uint16_t index; |
| |
| if (memcmp(model, BINZERO, len) != 0) { |
| strncpy(ha->model_number, model, len); |
| st = en = ha->model_number; |
| en += len - 1; |
| while (en > st) { |
| if (*en != 0x20 && *en != 0x00) |
| break; |
| *en-- = '\0'; |
| } |
| |
| index = (ha->pdev->subsystem_device & 0xff); |
| if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && |
| index < QLA_MODEL_NAMES) |
| ha->model_desc = qla2x00_model_name[index * 2 + 1]; |
| } else { |
| index = (ha->pdev->subsystem_device & 0xff); |
| if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && |
| index < QLA_MODEL_NAMES) { |
| strcpy(ha->model_number, |
| qla2x00_model_name[index * 2]); |
| ha->model_desc = qla2x00_model_name[index * 2 + 1]; |
| } else { |
| strcpy(ha->model_number, def); |
| } |
| } |
| } |
| |
| /* On sparc systems, obtain port and node WWN from firmware |
| * properties. |
| */ |
| static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv) |
| { |
| #ifdef CONFIG_SPARC |
| struct pci_dev *pdev = ha->pdev; |
| struct device_node *dp = pci_device_to_OF_node(pdev); |
| const u8 *val; |
| int len; |
| |
| val = of_get_property(dp, "port-wwn", &len); |
| if (val && len >= WWN_SIZE) |
| memcpy(nv->port_name, val, WWN_SIZE); |
| |
| val = of_get_property(dp, "node-wwn", &len); |
| if (val && len >= WWN_SIZE) |
| memcpy(nv->node_name, val, WWN_SIZE); |
| #endif |
| } |
| |
| /* |
| * NVRAM configuration for ISP 2xxx |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * |
| * Output: |
| * initialization control block in response_ring |
| * host adapters parameters in host adapter block |
| * |
| * Returns: |
| * 0 = success. |
| */ |
| int |
| qla2x00_nvram_config(scsi_qla_host_t *ha) |
| { |
| int rval; |
| uint8_t chksum = 0; |
| uint16_t cnt; |
| uint8_t *dptr1, *dptr2; |
| init_cb_t *icb = ha->init_cb; |
| nvram_t *nv = ha->nvram; |
| uint8_t *ptr = ha->nvram; |
| struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| |
| rval = QLA_SUCCESS; |
| |
| /* Determine NVRAM starting address. */ |
| ha->nvram_size = sizeof(nvram_t); |
| ha->nvram_base = 0; |
| if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) |
| if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) |
| ha->nvram_base = 0x80; |
| |
| /* Get NVRAM data and calculate checksum. */ |
| ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size); |
| for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) |
| chksum += *ptr++; |
| |
| DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); |
| DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); |
| |
| /* Bad NVRAM data, set defaults parameters. */ |
| if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || |
| nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { |
| /* Reset NVRAM data. */ |
| qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " |
| "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], |
| nv->nvram_version); |
| qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " |
| "invalid -- WWPN) defaults.\n"); |
| |
| if (chksum) |
| qla2xxx_hw_event_log(ha, HW_EVENT_NVRAM_CHKSUM_ERR, 0, |
| MSW(chksum), LSW(chksum)); |
| |
| /* |
| * Set default initialization control block. |
| */ |
| memset(nv, 0, ha->nvram_size); |
| nv->parameter_block_version = ICB_VERSION; |
| |
| if (IS_QLA23XX(ha)) { |
| nv->firmware_options[0] = BIT_2 | BIT_1; |
| nv->firmware_options[1] = BIT_7 | BIT_5; |
| nv->add_firmware_options[0] = BIT_5; |
| nv->add_firmware_options[1] = BIT_5 | BIT_4; |
| nv->frame_payload_size = __constant_cpu_to_le16(2048); |
| nv->special_options[1] = BIT_7; |
| } else if (IS_QLA2200(ha)) { |
| nv->firmware_options[0] = BIT_2 | BIT_1; |
| nv->firmware_options[1] = BIT_7 | BIT_5; |
| nv->add_firmware_options[0] = BIT_5; |
| nv->add_firmware_options[1] = BIT_5 | BIT_4; |
| nv->frame_payload_size = __constant_cpu_to_le16(1024); |
| } else if (IS_QLA2100(ha)) { |
| nv->firmware_options[0] = BIT_3 | BIT_1; |
| nv->firmware_options[1] = BIT_5; |
| nv->frame_payload_size = __constant_cpu_to_le16(1024); |
| } |
| |
| nv->max_iocb_allocation = __constant_cpu_to_le16(256); |
| nv->execution_throttle = __constant_cpu_to_le16(16); |
| nv->retry_count = 8; |
| nv->retry_delay = 1; |
| |
| nv->port_name[0] = 33; |
| nv->port_name[3] = 224; |
| nv->port_name[4] = 139; |
| |
| qla2xxx_nvram_wwn_from_ofw(ha, nv); |
| |
| nv->login_timeout = 4; |
| |
| /* |
| * Set default host adapter parameters |
| */ |
| nv->host_p[1] = BIT_2; |
| nv->reset_delay = 5; |
| nv->port_down_retry_count = 8; |
| nv->max_luns_per_target = __constant_cpu_to_le16(8); |
| nv->link_down_timeout = 60; |
| |
| rval = 1; |
| } |
| |
| #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) |
| /* |
| * The SN2 does not provide BIOS emulation which means you can't change |
| * potentially bogus BIOS settings. Force the use of default settings |
| * for link rate and frame size. Hope that the rest of the settings |
| * are valid. |
| */ |
| if (ia64_platform_is("sn2")) { |
| nv->frame_payload_size = __constant_cpu_to_le16(2048); |
| if (IS_QLA23XX(ha)) |
| nv->special_options[1] = BIT_7; |
| } |
| #endif |
| |
| /* Reset Initialization control block */ |
| memset(icb, 0, ha->init_cb_size); |
| |
| /* |
| * Setup driver NVRAM options. |
| */ |
| nv->firmware_options[0] |= (BIT_6 | BIT_1); |
| nv->firmware_options[0] &= ~(BIT_5 | BIT_4); |
| nv->firmware_options[1] |= (BIT_5 | BIT_0); |
| nv->firmware_options[1] &= ~BIT_4; |
| |
| if (IS_QLA23XX(ha)) { |
| nv->firmware_options[0] |= BIT_2; |
| nv->firmware_options[0] &= ~BIT_3; |
| nv->add_firmware_options[1] |= BIT_5 | BIT_4; |
| |
| if (IS_QLA2300(ha)) { |
| if (ha->fb_rev == FPM_2310) { |
| strcpy(ha->model_number, "QLA2310"); |
| } else { |
| strcpy(ha->model_number, "QLA2300"); |
| } |
| } else { |
| qla2x00_set_model_info(ha, nv->model_number, |
| sizeof(nv->model_number), "QLA23xx"); |
| } |
| } else if (IS_QLA2200(ha)) { |
| nv->firmware_options[0] |= BIT_2; |
| /* |
| * 'Point-to-point preferred, else loop' is not a safe |
| * connection mode setting. |
| */ |
| if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == |
| (BIT_5 | BIT_4)) { |
| /* Force 'loop preferred, else point-to-point'. */ |
| nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); |
| nv->add_firmware_options[0] |= BIT_5; |
| } |
| strcpy(ha->model_number, "QLA22xx"); |
| } else /*if (IS_QLA2100(ha))*/ { |
| strcpy(ha->model_number, "QLA2100"); |
| } |
| |
| /* |
| * Copy over NVRAM RISC parameter block to initialization control block. |
| */ |
| dptr1 = (uint8_t *)icb; |
| dptr2 = (uint8_t *)&nv->parameter_block_version; |
| cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; |
| while (cnt--) |
| *dptr1++ = *dptr2++; |
| |
| /* Copy 2nd half. */ |
| dptr1 = (uint8_t *)icb->add_firmware_options; |
| cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; |
| while (cnt--) |
| *dptr1++ = *dptr2++; |
| |
| /* Use alternate WWN? */ |
| if (nv->host_p[1] & BIT_7) { |
| memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); |
| memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); |
| } |
| |
| /* Prepare nodename */ |
| if ((icb->firmware_options[1] & BIT_6) == 0) { |
| /* |
| * Firmware will apply the following mask if the nodename was |
| * not provided. |
| */ |
| memcpy(icb->node_name, icb->port_name, WWN_SIZE); |
| icb->node_name[0] &= 0xF0; |
| } |
| |
| /* |
| * Set host adapter parameters. |
| */ |
| if (nv->host_p[0] & BIT_7) |
| ql2xextended_error_logging = 1; |
| ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); |
| /* Always load RISC code on non ISP2[12]00 chips. */ |
| if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) |
| ha->flags.disable_risc_code_load = 0; |
| ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); |
| ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); |
| ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); |
| ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; |
| ha->flags.disable_serdes = 0; |
| |
| ha->operating_mode = |
| (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; |
| |
| memcpy(ha->fw_seriallink_options, nv->seriallink_options, |
| sizeof(ha->fw_seriallink_options)); |
| |
| /* save HBA serial number */ |
| ha->serial0 = icb->port_name[5]; |
| ha->serial1 = icb->port_name[6]; |
| ha->serial2 = icb->port_name[7]; |
| ha->node_name = icb->node_name; |
| ha->port_name = icb->port_name; |
| |
| icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); |
| |
| ha->retry_count = nv->retry_count; |
| |
| /* Set minimum login_timeout to 4 seconds. */ |
| if (nv->login_timeout < ql2xlogintimeout) |
| nv->login_timeout = ql2xlogintimeout; |
| if (nv->login_timeout < 4) |
| nv->login_timeout = 4; |
| ha->login_timeout = nv->login_timeout; |
| icb->login_timeout = nv->login_timeout; |
| |
| /* Set minimum RATOV to 100 tenths of a second. */ |
| ha->r_a_tov = 100; |
| |
| ha->loop_reset_delay = nv->reset_delay; |
| |
| /* Link Down Timeout = 0: |
| * |
| * When Port Down timer expires we will start returning |
| * I/O's to OS with "DID_NO_CONNECT". |
| * |
| * Link Down Timeout != 0: |
| * |
| * The driver waits for the link to come up after link down |
| * before returning I/Os to OS with "DID_NO_CONNECT". |
| */ |
| if (nv->link_down_timeout == 0) { |
| ha->loop_down_abort_time = |
| (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); |
| } else { |
| ha->link_down_timeout = nv->link_down_timeout; |
| ha->loop_down_abort_time = |
| (LOOP_DOWN_TIME - ha->link_down_timeout); |
| } |
| |
| /* |
| * Need enough time to try and get the port back. |
| */ |
| ha->port_down_retry_count = nv->port_down_retry_count; |
| if (qlport_down_retry) |
| ha->port_down_retry_count = qlport_down_retry; |
| /* Set login_retry_count */ |
| ha->login_retry_count = nv->retry_count; |
| if (ha->port_down_retry_count == nv->port_down_retry_count && |
| ha->port_down_retry_count > 3) |
| ha->login_retry_count = ha->port_down_retry_count; |
| else if (ha->port_down_retry_count > (int)ha->login_retry_count) |
| ha->login_retry_count = ha->port_down_retry_count; |
| if (ql2xloginretrycount) |
| ha->login_retry_count = ql2xloginretrycount; |
| |
| icb->lun_enables = __constant_cpu_to_le16(0); |
| icb->command_resource_count = 0; |
| icb->immediate_notify_resource_count = 0; |
| icb->timeout = __constant_cpu_to_le16(0); |
| |
| if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
| /* Enable RIO */ |
| icb->firmware_options[0] &= ~BIT_3; |
| icb->add_firmware_options[0] &= |
| ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); |
| icb->add_firmware_options[0] |= BIT_2; |
| icb->response_accumulation_timer = 3; |
| icb->interrupt_delay_timer = 5; |
| |
| ha->flags.process_response_queue = 1; |
| } else { |
| /* Enable ZIO. */ |
| if (!ha->flags.init_done) { |
| ha->zio_mode = icb->add_firmware_options[0] & |
| (BIT_3 | BIT_2 | BIT_1 | BIT_0); |
| ha->zio_timer = icb->interrupt_delay_timer ? |
| icb->interrupt_delay_timer: 2; |
| } |
| icb->add_firmware_options[0] &= |
| ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); |
| ha->flags.process_response_queue = 0; |
| if (ha->zio_mode != QLA_ZIO_DISABLED) { |
| ha->zio_mode = QLA_ZIO_MODE_6; |
| |
| DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer " |
| "delay (%d us).\n", ha->host_no, ha->zio_mode, |
| ha->zio_timer * 100)); |
| qla_printk(KERN_INFO, ha, |
| "ZIO mode %d enabled; timer delay (%d us).\n", |
| ha->zio_mode, ha->zio_timer * 100); |
| |
| icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; |
| icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; |
| ha->flags.process_response_queue = 1; |
| } |
| } |
| |
| if (rval) { |
| DEBUG2_3(printk(KERN_WARNING |
| "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); |
| } |
| return (rval); |
| } |
| |
| static void |
| qla2x00_rport_del(void *data) |
| { |
| fc_port_t *fcport = data; |
| struct fc_rport *rport; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&fcport->rport_lock, flags); |
| rport = fcport->drport; |
| fcport->drport = NULL; |
| spin_unlock_irqrestore(&fcport->rport_lock, flags); |
| if (rport) |
| fc_remote_port_delete(rport); |
| } |
| |
| /** |
| * qla2x00_alloc_fcport() - Allocate a generic fcport. |
| * @ha: HA context |
| * @flags: allocation flags |
| * |
| * Returns a pointer to the allocated fcport, or NULL, if none available. |
| */ |
| static fc_port_t * |
| qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags) |
| { |
| fc_port_t *fcport; |
| |
| fcport = kzalloc(sizeof(fc_port_t), flags); |
| if (!fcport) |
| return NULL; |
| |
| /* Setup fcport template structure. */ |
| fcport->ha = ha; |
| fcport->vp_idx = ha->vp_idx; |
| fcport->port_type = FCT_UNKNOWN; |
| fcport->loop_id = FC_NO_LOOP_ID; |
| atomic_set(&fcport->state, FCS_UNCONFIGURED); |
| fcport->flags = FCF_RLC_SUPPORT; |
| fcport->supported_classes = FC_COS_UNSPECIFIED; |
| spin_lock_init(&fcport->rport_lock); |
| |
| return fcport; |
| } |
| |
| /* |
| * qla2x00_configure_loop |
| * Updates Fibre Channel Device Database with what is actually on loop. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * |
| * Returns: |
| * 0 = success. |
| * 1 = error. |
| * 2 = database was full and device was not configured. |
| */ |
| static int |
| qla2x00_configure_loop(scsi_qla_host_t *ha) |
| { |
| int rval; |
| unsigned long flags, save_flags; |
| |
| rval = QLA_SUCCESS; |
| |
| /* Get Initiator ID */ |
| if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { |
| rval = qla2x00_configure_hba(ha); |
| if (rval != QLA_SUCCESS) { |
| DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", |
| ha->host_no)); |
| return (rval); |
| } |
| } |
| |
| save_flags = flags = ha->dpc_flags; |
| DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", |
| ha->host_no, flags)); |
| |
| /* |
| * If we have both an RSCN and PORT UPDATE pending then handle them |
| * both at the same time. |
| */ |
| clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); |
| clear_bit(RSCN_UPDATE, &ha->dpc_flags); |
| |
| /* Determine what we need to do */ |
| if (ha->current_topology == ISP_CFG_FL && |
| (test_bit(LOCAL_LOOP_UPDATE, &flags))) { |
| |
| ha->flags.rscn_queue_overflow = 1; |
| set_bit(RSCN_UPDATE, &flags); |
| |
| } else if (ha->current_topology == ISP_CFG_F && |
| (test_bit(LOCAL_LOOP_UPDATE, &flags))) { |
| |
| ha->flags.rscn_queue_overflow = 1; |
| set_bit(RSCN_UPDATE, &flags); |
| clear_bit(LOCAL_LOOP_UPDATE, &flags); |
| |
| } else if (ha->current_topology == ISP_CFG_N) { |
| clear_bit(RSCN_UPDATE, &flags); |
| |
| } else if (!ha->flags.online || |
| (test_bit(ABORT_ISP_ACTIVE, &flags))) { |
| |
| ha->flags.rscn_queue_overflow = 1; |
| set_bit(RSCN_UPDATE, &flags); |
| set_bit(LOCAL_LOOP_UPDATE, &flags); |
| } |
| |
| if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { |
| if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { |
| rval = QLA_FUNCTION_FAILED; |
| } else { |
| rval = qla2x00_configure_local_loop(ha); |
| } |
| } |
| |
| if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { |
| if (LOOP_TRANSITION(ha)) { |
| rval = QLA_FUNCTION_FAILED; |
| } else { |
| rval = qla2x00_configure_fabric(ha); |
| } |
| } |
| |
| if (rval == QLA_SUCCESS) { |
| if (atomic_read(&ha->loop_down_timer) || |
| test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { |
| rval = QLA_FUNCTION_FAILED; |
| } else { |
| atomic_set(&ha->loop_state, LOOP_READY); |
| |
| DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); |
| } |
| } |
| |
| if (rval) { |
| DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", |
| __func__, ha->host_no)); |
| } else { |
| DEBUG3(printk("%s: exiting normally\n", __func__)); |
| } |
| |
| /* Restore state if a resync event occured during processing */ |
| if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { |
| if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) |
| set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); |
| if (test_bit(RSCN_UPDATE, &save_flags)) |
| set_bit(RSCN_UPDATE, &ha->dpc_flags); |
| } |
| |
| return (rval); |
| } |
| |
| |
| |
| /* |
| * qla2x00_configure_local_loop |
| * Updates Fibre Channel Device Database with local loop devices. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * |
| * Returns: |
| * 0 = success. |
| */ |
| static int |
| qla2x00_configure_local_loop(scsi_qla_host_t *ha) |
| { |
| int rval, rval2; |
| int found_devs; |
| int found; |
| fc_port_t *fcport, *new_fcport; |
| |
| uint16_t index; |
| uint16_t entries; |
| char *id_iter; |
| uint16_t loop_id; |
| uint8_t domain, area, al_pa; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| found_devs = 0; |
| new_fcport = NULL; |
| entries = MAX_FIBRE_DEVICES; |
| |
| DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); |
| DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); |
| |
| /* Get list of logged in devices. */ |
| memset(ha->gid_list, 0, GID_LIST_SIZE); |
| rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, |
| &entries); |
| if (rval != QLA_SUCCESS) |
| goto cleanup_allocation; |
| |
| DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", |
| ha->host_no, entries)); |
| DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, |
| entries * sizeof(struct gid_list_info))); |
| |
| /* Allocate temporary fcport for any new fcports discovered. */ |
| new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); |
| if (new_fcport == NULL) { |
| rval = QLA_MEMORY_ALLOC_FAILED; |
| goto cleanup_allocation; |
| } |
| new_fcport->flags &= ~FCF_FABRIC_DEVICE; |
| |
| /* |
| * Mark local devices that were present with FCF_DEVICE_LOST for now. |
| */ |
| list_for_each_entry(fcport, &pha->fcports, list) { |
| if (fcport->vp_idx != ha->vp_idx) |
| continue; |
| |
| if (atomic_read(&fcport->state) == FCS_ONLINE && |
| fcport->port_type != FCT_BROADCAST && |
| (fcport->flags & FCF_FABRIC_DEVICE) == 0) { |
| |
| DEBUG(printk("scsi(%ld): Marking port lost, " |
| "loop_id=0x%04x\n", |
| ha->host_no, fcport->loop_id)); |
| |
| atomic_set(&fcport->state, FCS_DEVICE_LOST); |
| fcport->flags &= ~FCF_FARP_DONE; |
| } |
| } |
| |
| /* Add devices to port list. */ |
| id_iter = (char *)ha->gid_list; |
| for (index = 0; index < entries; index++) { |
| domain = ((struct gid_list_info *)id_iter)->domain; |
| area = ((struct gid_list_info *)id_iter)->area; |
| al_pa = ((struct gid_list_info *)id_iter)->al_pa; |
| if (IS_QLA2100(ha) || IS_QLA2200(ha)) |
| loop_id = (uint16_t) |
| ((struct gid_list_info *)id_iter)->loop_id_2100; |
| else |
| loop_id = le16_to_cpu( |
| ((struct gid_list_info *)id_iter)->loop_id); |
| id_iter += ha->gid_list_info_size; |
| |
| /* Bypass reserved domain fields. */ |
| if ((domain & 0xf0) == 0xf0) |
| continue; |
| |
| /* Bypass if not same domain and area of adapter. */ |
| if (area && domain && |
| (area != ha->d_id.b.area || domain != ha->d_id.b.domain)) |
| continue; |
| |
| /* Bypass invalid local loop ID. */ |
| if (loop_id > LAST_LOCAL_LOOP_ID) |
| continue; |
| |
| /* Fill in member data. */ |
| new_fcport->d_id.b.domain = domain; |
| new_fcport->d_id.b.area = area; |
| new_fcport->d_id.b.al_pa = al_pa; |
| new_fcport->loop_id = loop_id; |
| new_fcport->vp_idx = ha->vp_idx; |
| rval2 = qla2x00_get_port_database(ha, new_fcport, 0); |
| if (rval2 != QLA_SUCCESS) { |
| DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " |
| "information -- get_port_database=%x, " |
| "loop_id=0x%04x\n", |
| ha->host_no, rval2, new_fcport->loop_id)); |
| DEBUG2(printk("scsi(%ld): Scheduling resync...\n", |
| ha->host_no)); |
| set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
| continue; |
| } |
| |
| /* Check for matching device in port list. */ |
| found = 0; |
| fcport = NULL; |
| list_for_each_entry(fcport, &pha->fcports, list) { |
| if (fcport->vp_idx != ha->vp_idx) |
| continue; |
| |
| if (memcmp(new_fcport->port_name, fcport->port_name, |
| WWN_SIZE)) |
| continue; |
| |
| fcport->flags &= ~(FCF_FABRIC_DEVICE | |
| FCF_PERSISTENT_BOUND); |
| fcport->loop_id = new_fcport->loop_id; |
| fcport->port_type = new_fcport->port_type; |
| fcport->d_id.b24 = new_fcport->d_id.b24; |
| memcpy(fcport->node_name, new_fcport->node_name, |
| WWN_SIZE); |
| |
| found++; |
| break; |
| } |
| |
| if (!found) { |
| /* New device, add to fcports list. */ |
| new_fcport->flags &= ~FCF_PERSISTENT_BOUND; |
| if (ha->parent) { |
| new_fcport->ha = ha; |
| new_fcport->vp_idx = ha->vp_idx; |
| list_add_tail(&new_fcport->vp_fcport, |
| &ha->vp_fcports); |
| } |
| list_add_tail(&new_fcport->list, &pha->fcports); |
| |
| /* Allocate a new replacement fcport. */ |
| fcport = new_fcport; |
| new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); |
| if (new_fcport == NULL) { |
| rval = QLA_MEMORY_ALLOC_FAILED; |
| goto cleanup_allocation; |
| } |
| new_fcport->flags &= ~FCF_FABRIC_DEVICE; |
| } |
| |
| /* Base iIDMA settings on HBA port speed. */ |
| fcport->fp_speed = ha->link_data_rate; |
| |
| qla2x00_update_fcport(ha, fcport); |
| |
| found_devs++; |
| } |
| |
| cleanup_allocation: |
| kfree(new_fcport); |
| |
| if (rval != QLA_SUCCESS) { |
| DEBUG2(printk("scsi(%ld): Configure local loop error exit: " |
| "rval=%x\n", ha->host_no, rval)); |
| } |
| |
| if (found_devs) { |
| ha->device_flags |= DFLG_LOCAL_DEVICES; |
| ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; |
| } |
| |
| return (rval); |
| } |
| |
| static void |
| qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) |
| { |
| #define LS_UNKNOWN 2 |
| static char *link_speeds[5] = { "1", "2", "?", "4", "8" }; |
| int rval; |
| uint16_t mb[6]; |
| |
| if (!IS_IIDMA_CAPABLE(ha)) |
| return; |
| |
| if (fcport->fp_speed == PORT_SPEED_UNKNOWN || |
| fcport->fp_speed > ha->link_data_rate) |
| return; |
| |
| rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed, |
| mb); |
| if (rval != QLA_SUCCESS) { |
| DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA " |
| "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n", |
| ha->host_no, fcport->port_name[0], fcport->port_name[1], |
| fcport->port_name[2], fcport->port_name[3], |
| fcport->port_name[4], fcport->port_name[5], |
| fcport->port_name[6], fcport->port_name[7], rval, |
| fcport->fp_speed, mb[0], mb[1])); |
| } else { |
| DEBUG2(qla_printk(KERN_INFO, ha, |
| "iIDMA adjusted to %s GB/s on " |
| "%02x%02x%02x%02x%02x%02x%02x%02x.\n", |
| link_speeds[fcport->fp_speed], fcport->port_name[0], |
| fcport->port_name[1], fcport->port_name[2], |
| fcport->port_name[3], fcport->port_name[4], |
| fcport->port_name[5], fcport->port_name[6], |
| fcport->port_name[7])); |
| } |
| } |
| |
| static void |
| qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) |
| { |
| struct fc_rport_identifiers rport_ids; |
| struct fc_rport *rport; |
| unsigned long flags; |
| |
| if (fcport->drport) |
| qla2x00_rport_del(fcport); |
| if (fcport->rport) |
| return; |
| |
| rport_ids.node_name = wwn_to_u64(fcport->node_name); |
| rport_ids.port_name = wwn_to_u64(fcport->port_name); |
| rport_ids.port_id = fcport->d_id.b.domain << 16 | |
| fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; |
| rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; |
| rport = fc_remote_port_add(ha->host, 0, &rport_ids); |
| if (!rport) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to allocate fc remote port!\n"); |
| return; |
| } |
| spin_lock_irqsave(&fcport->rport_lock, flags); |
| fcport->rport = rport; |
| *((fc_port_t **)rport->dd_data) = fcport; |
| spin_unlock_irqrestore(&fcport->rport_lock, flags); |
| |
| rport->supported_classes = fcport->supported_classes; |
| |
| rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; |
| if (fcport->port_type == FCT_INITIATOR) |
| rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; |
| if (fcport->port_type == FCT_TARGET) |
| rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; |
| fc_remote_port_rolechg(rport, rport_ids.roles); |
| } |
| |
| /* |
| * qla2x00_update_fcport |
| * Updates device on list. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * fcport = port structure pointer. |
| * |
| * Return: |
| * 0 - Success |
| * BIT_0 - error |
| * |
| * Context: |
| * Kernel context. |
| */ |
| void |
| qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) |
| { |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| fcport->ha = ha; |
| fcport->login_retry = 0; |
| fcport->port_login_retry_count = pha->port_down_retry_count * |
| PORT_RETRY_TIME; |
| atomic_set(&fcport->port_down_timer, pha->port_down_retry_count * |
| PORT_RETRY_TIME); |
| fcport->flags &= ~FCF_LOGIN_NEEDED; |
| |
| qla2x00_iidma_fcport(ha, fcport); |
| |
| atomic_set(&fcport->state, FCS_ONLINE); |
| |
| qla2x00_reg_remote_port(ha, fcport); |
| } |
| |
| /* |
| * qla2x00_configure_fabric |
| * Setup SNS devices with loop ID's. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * |
| * Returns: |
| * 0 = success. |
| * BIT_0 = error |
| */ |
| static int |
| qla2x00_configure_fabric(scsi_qla_host_t *ha) |
| { |
| int rval, rval2; |
| fc_port_t *fcport, *fcptemp; |
| uint16_t next_loopid; |
| uint16_t mb[MAILBOX_REGISTER_COUNT]; |
| uint16_t loop_id; |
| LIST_HEAD(new_fcports); |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| /* If FL port exists, then SNS is present */ |
| if (IS_FWI2_CAPABLE(ha)) |
| loop_id = NPH_F_PORT; |
| else |
| loop_id = SNS_FL_PORT; |
| rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1); |
| if (rval != QLA_SUCCESS) { |
| DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " |
| "Port\n", ha->host_no)); |
| |
| ha->device_flags &= ~SWITCH_FOUND; |
| return (QLA_SUCCESS); |
| } |
| ha->device_flags |= SWITCH_FOUND; |
| |
| /* Mark devices that need re-synchronization. */ |
| rval2 = qla2x00_device_resync(ha); |
| if (rval2 == QLA_RSCNS_HANDLED) { |
| /* No point doing the scan, just continue. */ |
| return (QLA_SUCCESS); |
| } |
| do { |
| /* FDMI support. */ |
| if (ql2xfdmienable && |
| test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags)) |
| qla2x00_fdmi_register(ha); |
| |
| /* Ensure we are logged into the SNS. */ |
| if (IS_FWI2_CAPABLE(ha)) |
| loop_id = NPH_SNS; |
| else |
| loop_id = SIMPLE_NAME_SERVER; |
| ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff, |
| 0xfc, mb, BIT_1 | BIT_0); |
| if (mb[0] != MBS_COMMAND_COMPLETE) { |
| DEBUG2(qla_printk(KERN_INFO, ha, |
| "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " |
| "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, |
| mb[0], mb[1], mb[2], mb[6], mb[7])); |
| return (QLA_SUCCESS); |
| } |
| |
| if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { |
| if (qla2x00_rft_id(ha)) { |
| /* EMPTY */ |
| DEBUG2(printk("scsi(%ld): Register FC-4 " |
| "TYPE failed.\n", ha->host_no)); |
| } |
| if (qla2x00_rff_id(ha)) { |
| /* EMPTY */ |
| DEBUG2(printk("scsi(%ld): Register FC-4 " |
| "Features failed.\n", ha->host_no)); |
| } |
| if (qla2x00_rnn_id(ha)) { |
| /* EMPTY */ |
| DEBUG2(printk("scsi(%ld): Register Node Name " |
| "failed.\n", ha->host_no)); |
| } else if (qla2x00_rsnn_nn(ha)) { |
| /* EMPTY */ |
| DEBUG2(printk("scsi(%ld): Register Symbolic " |
| "Node Name failed.\n", ha->host_no)); |
| } |
| } |
| |
| rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); |
| if (rval != QLA_SUCCESS) |
| break; |
| |
| /* |
| * Logout all previous fabric devices marked lost, except |
| * tape devices. |
| */ |
| list_for_each_entry(fcport, &pha->fcports, list) { |
| if (fcport->vp_idx !=ha->vp_idx) |
| continue; |
| |
| if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) |
| break; |
| |
| if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) |
| continue; |
| |
| if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { |
| qla2x00_mark_device_lost(ha, fcport, |
| ql2xplogiabsentdevice, 0); |
| if (fcport->loop_id != FC_NO_LOOP_ID && |
| (fcport->flags & FCF_TAPE_PRESENT) == 0 && |
| fcport->port_type != FCT_INITIATOR && |
| fcport->port_type != FCT_BROADCAST) { |
| ha->isp_ops->fabric_logout(ha, |
| fcport->loop_id, |
| fcport->d_id.b.domain, |
| fcport->d_id.b.area, |
| fcport->d_id.b.al_pa); |
| fcport->loop_id = FC_NO_LOOP_ID; |
| } |
| } |
| } |
| |
| /* Starting free loop ID. */ |
| next_loopid = pha->min_external_loopid; |
| |
| /* |
| * Scan through our port list and login entries that need to be |
| * logged in. |
| */ |
| list_for_each_entry(fcport, &pha->fcports, list) { |
| if (fcport->vp_idx != ha->vp_idx) |
| continue; |
| |
| if (atomic_read(&ha->loop_down_timer) || |
| test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) |
| break; |
| |
| if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || |
| (fcport->flags & FCF_LOGIN_NEEDED) == 0) |
| continue; |
| |
| if (fcport->loop_id == FC_NO_LOOP_ID) { |
| fcport->loop_id = next_loopid; |
| rval = qla2x00_find_new_loop_id(ha, fcport); |
| if (rval != QLA_SUCCESS) { |
| /* Ran out of IDs to use */ |
| break; |
| } |
| } |
| /* Login and update database */ |
| qla2x00_fabric_dev_login(ha, fcport, &next_loopid); |
| } |
| |
| /* Exit if out of loop IDs. */ |
| if (rval != QLA_SUCCESS) { |
| break; |
| } |
| |
| /* |
| * Login and add the new devices to our port list. |
| */ |
| list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { |
| if (atomic_read(&ha->loop_down_timer) || |
| test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) |
| break; |
| |
| /* Find a new loop ID to use. */ |
| fcport->loop_id = next_loopid; |
| rval = qla2x00_find_new_loop_id(ha, fcport); |
| if (rval != QLA_SUCCESS) { |
| /* Ran out of IDs to use */ |
| break; |
| } |
| |
| /* Login and update database */ |
| qla2x00_fabric_dev_login(ha, fcport, &next_loopid); |
| |
| if (ha->parent) { |
| fcport->ha = ha; |
| fcport->vp_idx = ha->vp_idx; |
| list_add_tail(&fcport->vp_fcport, |
| &ha->vp_fcports); |
| list_move_tail(&fcport->list, |
| &ha->parent->fcports); |
| } else |
| list_move_tail(&fcport->list, &ha->fcports); |
| } |
| } while (0); |
| |
| /* Free all new device structures not processed. */ |
| list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { |
| list_del(&fcport->list); |
| kfree(fcport); |
| } |
| |
| if (rval) { |
| DEBUG2(printk("scsi(%ld): Configure fabric error exit: " |
| "rval=%d\n", ha->host_no, rval)); |
| } |
| |
| return (rval); |
| } |
| |
| |
| /* |
| * qla2x00_find_all_fabric_devs |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * dev = database device entry pointer. |
| * |
| * Returns: |
| * 0 = success. |
| * |
| * Context: |
| * Kernel context. |
| */ |
| static int |
| qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) |
| { |
| int rval; |
| uint16_t loop_id; |
| fc_port_t *fcport, *new_fcport, *fcptemp; |
| int found; |
| |
| sw_info_t *swl; |
| int swl_idx; |
| int first_dev, last_dev; |
| port_id_t wrap, nxt_d_id; |
| int vp_index; |
| int empty_vp_index; |
| int found_vp; |
| scsi_qla_host_t *vha; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| rval = QLA_SUCCESS; |
| |
| /* Try GID_PT to get device list, else GAN. */ |
| swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC); |
| if (!swl) { |
| /*EMPTY*/ |
| DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " |
| "on GA_NXT\n", ha->host_no)); |
| } else { |
| if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { |
| kfree(swl); |
| swl = NULL; |
| } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { |
| kfree(swl); |
| swl = NULL; |
| } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { |
| kfree(swl); |
| swl = NULL; |
| } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) { |
| qla2x00_gpsc(ha, swl); |
| } |
| } |
| swl_idx = 0; |
| |
| /* Allocate temporary fcport for any new fcports discovered. */ |
| new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); |
| if (new_fcport == NULL) { |
| kfree(swl); |
| return (QLA_MEMORY_ALLOC_FAILED); |
| } |
| new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); |
| new_fcport->vp_idx = ha->vp_idx; |
| /* Set start port ID scan at adapter ID. */ |
| first_dev = 1; |
| last_dev = 0; |
| |
| /* Starting free loop ID. */ |
| loop_id = pha->min_external_loopid; |
| for (; loop_id <= ha->last_loop_id; loop_id++) { |
| if (qla2x00_is_reserved_id(ha, loop_id)) |
| continue; |
| |
| if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) |
| break; |
| |
| if (swl != NULL) { |
| if (last_dev) { |
| wrap.b24 = new_fcport->d_id.b24; |
| } else { |
| new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; |
| memcpy(new_fcport->node_name, |
| swl[swl_idx].node_name, WWN_SIZE); |
| memcpy(new_fcport->port_name, |
| swl[swl_idx].port_name, WWN_SIZE); |
| memcpy(new_fcport->fabric_port_name, |
| swl[swl_idx].fabric_port_name, WWN_SIZE); |
| new_fcport->fp_speed = swl[swl_idx].fp_speed; |
| |
| if (swl[swl_idx].d_id.b.rsvd_1 != 0) { |
| last_dev = 1; |
| } |
| swl_idx++; |
| } |
| } else { |
| /* Send GA_NXT to the switch */ |
| rval = qla2x00_ga_nxt(ha, new_fcport); |
| if (rval != QLA_SUCCESS) { |
| qla_printk(KERN_WARNING, ha, |
| "SNS scan failed -- assuming zero-entry " |
| "result...\n"); |
| list_for_each_entry_safe(fcport, fcptemp, |
| new_fcports, list) { |
| list_del(&fcport->list); |
| kfree(fcport); |
| } |
| rval = QLA_SUCCESS; |
| break; |
| } |
| } |
| |
| /* If wrap on switch device list, exit. */ |
| if (first_dev) { |
| wrap.b24 = new_fcport->d_id.b24; |
| first_dev = 0; |
| } else if (new_fcport->d_id.b24 == wrap.b24) { |
| DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", |
| ha->host_no, new_fcport->d_id.b.domain, |
| new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); |
| break; |
| } |
| |
| /* Bypass if same physical adapter. */ |
| if (new_fcport->d_id.b24 == pha->d_id.b24) |
| continue; |
| |
| /* Bypass virtual ports of the same host. */ |
| if (pha->num_vhosts) { |
| for_each_mapped_vp_idx(pha, vp_index) { |
| empty_vp_index = 1; |
| found_vp = 0; |
| list_for_each_entry(vha, &pha->vp_list, |
| vp_list) { |
| if (vp_index == vha->vp_idx) { |
| empty_vp_index = 0; |
| found_vp = 1; |
| break; |
| } |
| } |
| |
| if (empty_vp_index) |
| continue; |
| |
| if (found_vp && |
| new_fcport->d_id.b24 == vha->d_id.b24) |
| break; |
| } |
| |
| if (vp_index <= pha->max_npiv_vports) |
| continue; |
| } |
| |
| /* Bypass if same domain and area of adapter. */ |
| if (((new_fcport->d_id.b24 & 0xffff00) == |
| (ha->d_id.b24 & 0xffff00)) && ha->current_topology == |
| ISP_CFG_FL) |
| continue; |
| |
| /* Bypass reserved domain fields. */ |
| if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) |
| continue; |
| |
| /* Locate matching device in database. */ |
| found = 0; |
| list_for_each_entry(fcport, &pha->fcports, list) { |
| if (new_fcport->vp_idx != fcport->vp_idx) |
| continue; |
| if (memcmp(new_fcport->port_name, fcport->port_name, |
| WWN_SIZE)) |
| continue; |
| |
| found++; |
| |
| /* Update port state. */ |
| memcpy(fcport->fabric_port_name, |
| new_fcport->fabric_port_name, WWN_SIZE); |
| fcport->fp_speed = new_fcport->fp_speed; |
| |
| /* |
| * If address the same and state FCS_ONLINE, nothing |
| * changed. |
| */ |
| if (fcport->d_id.b24 == new_fcport->d_id.b24 && |
| atomic_read(&fcport->state) == FCS_ONLINE) { |
| break; |
| } |
| |
| /* |
| * If device was not a fabric device before. |
| */ |
| if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { |
| fcport->d_id.b24 = new_fcport->d_id.b24; |
| fcport->loop_id = FC_NO_LOOP_ID; |
| fcport->flags |= (FCF_FABRIC_DEVICE | |
| FCF_LOGIN_NEEDED); |
| fcport->flags &= ~FCF_PERSISTENT_BOUND; |
| break; |
| } |
| |
| /* |
| * Port ID changed or device was marked to be updated; |
| * Log it out if still logged in and mark it for |
| * relogin later. |
| */ |
| fcport->d_id.b24 = new_fcport->d_id.b24; |
| fcport->flags |= FCF_LOGIN_NEEDED; |
| if (fcport->loop_id != FC_NO_LOOP_ID && |
| (fcport->flags & FCF_TAPE_PRESENT) == 0 && |
| fcport->port_type != FCT_INITIATOR && |
| fcport->port_type != FCT_BROADCAST) { |
| ha->isp_ops->fabric_logout(ha, fcport->loop_id, |
| fcport->d_id.b.domain, fcport->d_id.b.area, |
| fcport->d_id.b.al_pa); |
| fcport->loop_id = FC_NO_LOOP_ID; |
| } |
| |
| break; |
| } |
| |
| if (found) |
| continue; |
| |
| /* If device was not in our fcports list, then add it. */ |
| list_add_tail(&new_fcport->list, new_fcports); |
| |
| /* Allocate a new replacement fcport. */ |
| nxt_d_id.b24 = new_fcport->d_id.b24; |
| new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); |
| if (new_fcport == NULL) { |
| kfree(swl); |
| return (QLA_MEMORY_ALLOC_FAILED); |
| } |
| new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); |
| new_fcport->d_id.b24 = nxt_d_id.b24; |
| new_fcport->vp_idx = ha->vp_idx; |
| } |
| |
| kfree(swl); |
| kfree(new_fcport); |
| |
| if (!list_empty(new_fcports)) |
| ha->device_flags |= DFLG_FABRIC_DEVICES; |
| |
| return (rval); |
| } |
| |
| /* |
| * qla2x00_find_new_loop_id |
| * Scan through our port list and find a new usable loop ID. |
| * |
| * Input: |
| * ha: adapter state pointer. |
| * dev: port structure pointer. |
| * |
| * Returns: |
| * qla2x00 local function return status code. |
| * |
| * Context: |
| * Kernel context. |
| */ |
| static int |
| qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) |
| { |
| int rval; |
| int found; |
| fc_port_t *fcport; |
| uint16_t first_loop_id; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| rval = QLA_SUCCESS; |
| |
| /* Save starting loop ID. */ |
| first_loop_id = dev->loop_id; |
| |
| for (;;) { |
| /* Skip loop ID if already used by adapter. */ |
| if (dev->loop_id == ha->loop_id) { |
| dev->loop_id++; |
| } |
| |
| /* Skip reserved loop IDs. */ |
| while (qla2x00_is_reserved_id(ha, dev->loop_id)) { |
| dev->loop_id++; |
| } |
| |
| /* Reset loop ID if passed the end. */ |
| if (dev->loop_id > ha->last_loop_id) { |
| /* first loop ID. */ |
| dev->loop_id = ha->min_external_loopid; |
| } |
| |
| /* Check for loop ID being already in use. */ |
| found = 0; |
| fcport = NULL; |
| list_for_each_entry(fcport, &pha->fcports, list) { |
| if (fcport->loop_id == dev->loop_id && fcport != dev) { |
| /* ID possibly in use */ |
| found++; |
| break; |
| } |
| } |
| |
| /* If not in use then it is free to use. */ |
| if (!found) { |
| break; |
| } |
| |
| /* ID in use. Try next value. */ |
| dev->loop_id++; |
| |
| /* If wrap around. No free ID to use. */ |
| if (dev->loop_id == first_loop_id) { |
| dev->loop_id = FC_NO_LOOP_ID; |
| rval = QLA_FUNCTION_FAILED; |
| break; |
| } |
| } |
| |
| return (rval); |
| } |
| |
| /* |
| * qla2x00_device_resync |
| * Marks devices in the database that needs resynchronization. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * |
| * Context: |
| * Kernel context. |
| */ |
| static int |
| qla2x00_device_resync(scsi_qla_host_t *ha) |
| { |
| int rval; |
| uint32_t mask; |
| fc_port_t *fcport; |
| uint32_t rscn_entry; |
| uint8_t rscn_out_iter; |
| uint8_t format; |
| port_id_t d_id; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| rval = QLA_RSCNS_HANDLED; |
| |
| while (ha->rscn_out_ptr != ha->rscn_in_ptr || |
| ha->flags.rscn_queue_overflow) { |
| |
| rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; |
| format = MSB(MSW(rscn_entry)); |
| d_id.b.domain = LSB(MSW(rscn_entry)); |
| d_id.b.area = MSB(LSW(rscn_entry)); |
| d_id.b.al_pa = LSB(LSW(rscn_entry)); |
| |
| DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " |
| "[%02x/%02x%02x%02x].\n", |
| ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, |
| d_id.b.area, d_id.b.al_pa)); |
| |
| ha->rscn_out_ptr++; |
| if (ha->rscn_out_ptr == MAX_RSCN_COUNT) |
| ha->rscn_out_ptr = 0; |
| |
| /* Skip duplicate entries. */ |
| for (rscn_out_iter = ha->rscn_out_ptr; |
| !ha->flags.rscn_queue_overflow && |
| rscn_out_iter != ha->rscn_in_ptr; |
| rscn_out_iter = (rscn_out_iter == |
| (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { |
| |
| if (rscn_entry != ha->rscn_queue[rscn_out_iter]) |
| break; |
| |
| DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " |
| "entry found at [%d].\n", ha->host_no, |
| rscn_out_iter)); |
| |
| ha->rscn_out_ptr = rscn_out_iter; |
| } |
| |
| /* Queue overflow, set switch default case. */ |
| if (ha->flags.rscn_queue_overflow) { |
| DEBUG(printk("scsi(%ld): device_resync: rscn " |
| "overflow.\n", ha->host_no)); |
| |
| format = 3; |
| ha->flags.rscn_queue_overflow = 0; |
| } |
| |
| switch (format) { |
| case 0: |
| mask = 0xffffff; |
| break; |
| case 1: |
| mask = 0xffff00; |
| break; |
| case 2: |
| mask = 0xff0000; |
| break; |
| default: |
| mask = 0x0; |
| d_id.b24 = 0; |
| ha->rscn_out_ptr = ha->rscn_in_ptr; |
| break; |
| } |
| |
| rval = QLA_SUCCESS; |
| |
| list_for_each_entry(fcport, &pha->fcports, list) { |
| if (fcport->vp_idx != ha->vp_idx) |
| continue; |
| |
| if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || |
| (fcport->d_id.b24 & mask) != d_id.b24 || |
| fcport->port_type == FCT_BROADCAST) |
| continue; |
| |
| if (atomic_read(&fcport->state) == FCS_ONLINE) { |
| if (format != 3 || |
| fcport->port_type != FCT_INITIATOR) { |
| qla2x00_mark_device_lost(ha, fcport, |
| 0, 0); |
| } |
| } |
| fcport->flags &= ~FCF_FARP_DONE; |
| } |
| } |
| return (rval); |
| } |
| |
| /* |
| * qla2x00_fabric_dev_login |
| * Login fabric target device and update FC port database. |
| * |
| * Input: |
| * ha: adapter state pointer. |
| * fcport: port structure list pointer. |
| * next_loopid: contains value of a new loop ID that can be used |
| * by the next login attempt. |
| * |
| * Returns: |
| * qla2x00 local function return status code. |
| * |
| * Context: |
| * Kernel context. |
| */ |
| static int |
| qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, |
| uint16_t *next_loopid) |
| { |
| int rval; |
| int retry; |
| uint8_t opts; |
| |
| rval = QLA_SUCCESS; |
| retry = 0; |
| |
| rval = qla2x00_fabric_login(ha, fcport, next_loopid); |
| if (rval == QLA_SUCCESS) { |
| /* Send an ADISC to tape devices.*/ |
| opts = 0; |
| if (fcport->flags & FCF_TAPE_PRESENT) |
| opts |= BIT_1; |
| rval = qla2x00_get_port_database(ha, fcport, opts); |
| if (rval != QLA_SUCCESS) { |
| ha->isp_ops->fabric_logout(ha, fcport->loop_id, |
| fcport->d_id.b.domain, fcport->d_id.b.area, |
| fcport->d_id.b.al_pa); |
| qla2x00_mark_device_lost(ha, fcport, 1, 0); |
| } else { |
| qla2x00_update_fcport(ha, fcport); |
| } |
| } |
| |
| return (rval); |
| } |
| |
| /* |
| * qla2x00_fabric_login |
| * Issue fabric login command. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * device = pointer to FC device type structure. |
| * |
| * Returns: |
| * 0 - Login successfully |
| * 1 - Login failed |
| * 2 - Initiator device |
| * 3 - Fatal error |
| */ |
| int |
| qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, |
| uint16_t *next_loopid) |
| { |
| int rval; |
| int retry; |
| uint16_t tmp_loopid; |
| uint16_t mb[MAILBOX_REGISTER_COUNT]; |
| |
| retry = 0; |
| tmp_loopid = 0; |
| |
| for (;;) { |
| DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " |
| "for port %02x%02x%02x.\n", |
| ha->host_no, fcport->loop_id, fcport->d_id.b.domain, |
| fcport->d_id.b.area, fcport->d_id.b.al_pa)); |
| |
| /* Login fcport on switch. */ |
| ha->isp_ops->fabric_login(ha, fcport->loop_id, |
| fcport->d_id.b.domain, fcport->d_id.b.area, |
| fcport->d_id.b.al_pa, mb, BIT_0); |
| if (mb[0] == MBS_PORT_ID_USED) { |
| /* |
| * Device has another loop ID. The firmware team |
| * recommends the driver perform an implicit login with |
| * the specified ID again. The ID we just used is save |
| * here so we return with an ID that can be tried by |
| * the next login. |
| */ |
| retry++; |
| tmp_loopid = fcport->loop_id; |
| fcport->loop_id = mb[1]; |
| |
| DEBUG(printk("Fabric Login: port in use - next " |
| "loop id=0x%04x, port Id=%02x%02x%02x.\n", |
| fcport->loop_id, fcport->d_id.b.domain, |
| fcport->d_id.b.area, fcport->d_id.b.al_pa)); |
| |
| } else if (mb[0] == MBS_COMMAND_COMPLETE) { |
| /* |
| * Login succeeded. |
| */ |
| if (retry) { |
| /* A retry occurred before. */ |
| *next_loopid = tmp_loopid; |
| } else { |
| /* |
| * No retry occurred before. Just increment the |
| * ID value for next login. |
| */ |
| *next_loopid = (fcport->loop_id + 1); |
| } |
| |
| if (mb[1] & BIT_0) { |
| fcport->port_type = FCT_INITIATOR; |
| } else { |
| fcport->port_type = FCT_TARGET; |
| if (mb[1] & BIT_1) { |
| fcport->flags |= FCF_TAPE_PRESENT; |
| } |
| } |
| |
| if (mb[10] & BIT_0) |
| fcport->supported_classes |= FC_COS_CLASS2; |
| if (mb[10] & BIT_1) |
| fcport->supported_classes |= FC_COS_CLASS3; |
| |
| rval = QLA_SUCCESS; |
| break; |
| } else if (mb[0] == MBS_LOOP_ID_USED) { |
| /* |
| * Loop ID already used, try next loop ID. |
| */ |
| fcport->loop_id++; |
| rval = qla2x00_find_new_loop_id(ha, fcport); |
| if (rval != QLA_SUCCESS) { |
| /* Ran out of loop IDs to use */ |
| break; |
| } |
| } else if (mb[0] == MBS_COMMAND_ERROR) { |
| /* |
| * Firmware possibly timed out during login. If NO |
| * retries are left to do then the device is declared |
| * dead. |
| */ |
| *next_loopid = fcport->loop_id; |
| ha->isp_ops->fabric_logout(ha, fcport->loop_id, |
| fcport->d_id.b.domain, fcport->d_id.b.area, |
| fcport->d_id.b.al_pa); |
| qla2x00_mark_device_lost(ha, fcport, 1, 0); |
| |
| rval = 1; |
| break; |
| } else { |
| /* |
| * unrecoverable / not handled error |
| */ |
| DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " |
| "loop_id=%x jiffies=%lx.\n", |
| __func__, ha->host_no, mb[0], |
| fcport->d_id.b.domain, fcport->d_id.b.area, |
| fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); |
| |
| *next_loopid = fcport->loop_id; |
| ha->isp_ops->fabric_logout(ha, fcport->loop_id, |
| fcport->d_id.b.domain, fcport->d_id.b.area, |
| fcport->d_id.b.al_pa); |
| fcport->loop_id = FC_NO_LOOP_ID; |
| fcport->login_retry = 0; |
| |
| rval = 3; |
| break; |
| } |
| } |
| |
| return (rval); |
| } |
| |
| /* |
| * qla2x00_local_device_login |
| * Issue local device login command. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * loop_id = loop id of device to login to. |
| * |
| * Returns (Where's the #define!!!!): |
| * 0 - Login successfully |
| * 1 - Login failed |
| * 3 - Fatal error |
| */ |
| int |
| qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport) |
| { |
| int rval; |
| uint16_t mb[MAILBOX_REGISTER_COUNT]; |
| |
| memset(mb, 0, sizeof(mb)); |
| rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0); |
| if (rval == QLA_SUCCESS) { |
| /* Interrogate mailbox registers for any errors */ |
| if (mb[0] == MBS_COMMAND_ERROR) |
| rval = 1; |
| else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) |
| /* device not in PCB table */ |
| rval = 3; |
| } |
| |
| return (rval); |
| } |
| |
| /* |
| * qla2x00_loop_resync |
| * Resync with fibre channel devices. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * |
| * Returns: |
| * 0 = success |
| */ |
| int |
| qla2x00_loop_resync(scsi_qla_host_t *ha) |
| { |
| int rval; |
| uint32_t wait_time; |
| |
| rval = QLA_SUCCESS; |
| |
| atomic_set(&ha->loop_state, LOOP_UPDATE); |
| clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); |
| if (ha->flags.online) { |
| if (!(rval = qla2x00_fw_ready(ha))) { |
| /* Wait at most MAX_TARGET RSCNs for a stable link. */ |
| wait_time = 256; |
| do { |
| atomic_set(&ha->loop_state, LOOP_UPDATE); |
| |
| /* Issue a marker after FW becomes ready. */ |
| qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); |
| ha->marker_needed = 0; |
| |
| /* Remap devices on Loop. */ |
| clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
| |
| qla2x00_configure_loop(ha); |
| wait_time--; |
| } while (!atomic_read(&ha->loop_down_timer) && |
| !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && |
| wait_time && |
| (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); |
| } |
| } |
| |
| if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { |
| return (QLA_FUNCTION_FAILED); |
| } |
| |
| if (rval) { |
| DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); |
| } |
| |
| return (rval); |
| } |
| |
| void |
| qla2x00_update_fcports(scsi_qla_host_t *ha) |
| { |
| fc_port_t *fcport; |
| |
| /* Go with deferred removal of rport references. */ |
| list_for_each_entry(fcport, &ha->fcports, list) |
| if (fcport->drport) |
| qla2x00_rport_del(fcport); |
| } |
| |
| /* |
| * qla2x00_abort_isp |
| * Resets ISP and aborts all outstanding commands. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * |
| * Returns: |
| * 0 = success |
| */ |
| int |
| qla2x00_abort_isp(scsi_qla_host_t *ha) |
| { |
| int rval; |
| uint8_t status = 0; |
| |
| if (ha->flags.online) { |
| ha->flags.online = 0; |
| clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
| |
| qla_printk(KERN_INFO, ha, |
| "Performing ISP error recovery - ha= %p.\n", ha); |
| ha->isp_ops->reset_chip(ha); |
| |
| atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); |
| if (atomic_read(&ha->loop_state) != LOOP_DOWN) { |
| atomic_set(&ha->loop_state, LOOP_DOWN); |
| qla2x00_mark_all_devices_lost(ha, 0); |
| } else { |
| if (!atomic_read(&ha->loop_down_timer)) |
| atomic_set(&ha->loop_down_timer, |
| LOOP_DOWN_TIME); |
| } |
| |
| /* Requeue all commands in outstanding command list. */ |
| qla2x00_abort_all_cmds(ha, DID_RESET << 16); |
| |
| ha->isp_ops->get_flash_version(ha, ha->request_ring); |
| |
| ha->isp_ops->nvram_config(ha); |
| |
| if (!qla2x00_restart_isp(ha)) { |
| clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); |
| |
| if (!atomic_read(&ha->loop_down_timer)) { |
| /* |
| * Issue marker command only when we are going |
| * to start the I/O . |
| */ |
| ha->marker_needed = 1; |
| } |
| |
| ha->flags.online = 1; |
| |
| ha->isp_ops->enable_intrs(ha); |
| |
| ha->isp_abort_cnt = 0; |
| clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); |
| |
| if (ha->eft) { |
| memset(ha->eft, 0, EFT_SIZE); |
| rval = qla2x00_enable_eft_trace(ha, |
| ha->eft_dma, EFT_NUM_BUFFERS); |
| if (rval) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to reinitialize EFT " |
| "(%d).\n", rval); |
| } |
| } |
| |
| if (ha->fce) { |
| ha->flags.fce_enabled = 1; |
| memset(ha->fce, 0, |
| fce_calc_size(ha->fce_bufs)); |
| rval = qla2x00_enable_fce_trace(ha, |
| ha->fce_dma, ha->fce_bufs, ha->fce_mb, |
| &ha->fce_bufs); |
| if (rval) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to reinitialize FCE " |
| "(%d).\n", rval); |
| ha->flags.fce_enabled = 0; |
| } |
| } |
| } else { /* failed the ISP abort */ |
| ha->flags.online = 1; |
| if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { |
| if (ha->isp_abort_cnt == 0) { |
| qla_printk(KERN_WARNING, ha, |
| "ISP error recovery failed - " |
| "board disabled\n"); |
| /* |
| * The next call disables the board |
| * completely. |
| */ |
| ha->isp_ops->reset_adapter(ha); |
| ha->flags.online = 0; |
| clear_bit(ISP_ABORT_RETRY, |
| &ha->dpc_flags); |
| status = 0; |
| } else { /* schedule another ISP abort */ |
| ha->isp_abort_cnt--; |
| DEBUG(printk("qla%ld: ISP abort - " |
| "retry remaining %d\n", |
| ha->host_no, ha->isp_abort_cnt)); |
| status = 1; |
| } |
| } else { |
| ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; |
| DEBUG(printk("qla2x00(%ld): ISP error recovery " |
| "- retrying (%d) more times\n", |
| ha->host_no, ha->isp_abort_cnt)); |
| set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); |
| status = 1; |
| } |
| } |
| |
| } |
| |
| if (status) { |
| qla_printk(KERN_INFO, ha, |
| "qla2x00_abort_isp: **** FAILED ****\n"); |
| } else { |
| DEBUG(printk(KERN_INFO |
| "qla2x00_abort_isp(%ld): exiting.\n", |
| ha->host_no)); |
| } |
| |
| return(status); |
| } |
| |
| /* |
| * qla2x00_restart_isp |
| * restarts the ISP after a reset |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * |
| * Returns: |
| * 0 = success |
| */ |
| static int |
| qla2x00_restart_isp(scsi_qla_host_t *ha) |
| { |
| uint8_t status = 0; |
| uint32_t wait_time; |
| |
| /* If firmware needs to be loaded */ |
| if (qla2x00_isp_firmware(ha)) { |
| ha->flags.online = 0; |
| if (!(status = ha->isp_ops->chip_diag(ha))) |
| status = qla2x00_setup_chip(ha); |
| } |
| |
| if (!status && !(status = qla2x00_init_rings(ha))) { |
| clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); |
| if (!(status = qla2x00_fw_ready(ha))) { |
| DEBUG(printk("%s(): Start configure loop, " |
| "status = %d\n", __func__, status)); |
| |
| /* Issue a marker after FW becomes ready. */ |
| qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); |
| |
| ha->flags.online = 1; |
| /* Wait at most MAX_TARGET RSCNs for a stable link. */ |
| wait_time = 256; |
| do { |
| clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
| qla2x00_configure_loop(ha); |
| wait_time--; |
| } while (!atomic_read(&ha->loop_down_timer) && |
| !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && |
| wait_time && |
| (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); |
| } |
| |
| /* if no cable then assume it's good */ |
| if ((ha->device_flags & DFLG_NO_CABLE)) |
| status = 0; |
| |
| DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", |
| __func__, |
| status)); |
| } |
| return (status); |
| } |
| |
| /* |
| * qla2x00_reset_adapter |
| * Reset adapter. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| */ |
| void |
| qla2x00_reset_adapter(scsi_qla_host_t *ha) |
| { |
| unsigned long flags = 0; |
| struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| |
| ha->flags.online = 0; |
| ha->isp_ops->disable_intrs(ha); |
| |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); |
| RD_REG_WORD(®->hccr); /* PCI Posting. */ |
| WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); |
| RD_REG_WORD(®->hccr); /* PCI Posting. */ |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| } |
| |
| void |
| qla24xx_reset_adapter(scsi_qla_host_t *ha) |
| { |
| unsigned long flags = 0; |
| struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| |
| ha->flags.online = 0; |
| ha->isp_ops->disable_intrs(ha); |
| |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); |
| RD_REG_DWORD(®->hccr); |
| WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); |
| RD_REG_DWORD(®->hccr); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| } |
| |
| /* On sparc systems, obtain port and node WWN from firmware |
| * properties. |
| */ |
| static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv) |
| { |
| #ifdef CONFIG_SPARC |
| struct pci_dev *pdev = ha->pdev; |
| struct device_node *dp = pci_device_to_OF_node(pdev); |
| const u8 *val; |
| int len; |
| |
| val = of_get_property(dp, "port-wwn", &len); |
| if (val && len >= WWN_SIZE) |
| memcpy(nv->port_name, val, WWN_SIZE); |
| |
| val = of_get_property(dp, "node-wwn", &len); |
| if (val && len >= WWN_SIZE) |
| memcpy(nv->node_name, val, WWN_SIZE); |
| #endif |
| } |
| |
| int |
| qla24xx_nvram_config(scsi_qla_host_t *ha) |
| { |
| int rval; |
| struct init_cb_24xx *icb; |
| struct nvram_24xx *nv; |
| uint32_t *dptr; |
| uint8_t *dptr1, *dptr2; |
| uint32_t chksum; |
| uint16_t cnt; |
| |
| rval = QLA_SUCCESS; |
| icb = (struct init_cb_24xx *)ha->init_cb; |
| nv = ha->nvram; |
| |
| /* Determine NVRAM starting address. */ |
| ha->nvram_size = sizeof(struct nvram_24xx); |
| ha->nvram_base = FA_NVRAM_FUNC0_ADDR; |
| ha->vpd_size = FA_NVRAM_VPD_SIZE; |
| ha->vpd_base = FA_NVRAM_VPD0_ADDR; |
| if (PCI_FUNC(ha->pdev->devfn)) { |
| ha->nvram_base = FA_NVRAM_FUNC1_ADDR; |
| ha->vpd_base = FA_NVRAM_VPD1_ADDR; |
| } |
| |
| /* Get VPD data into cache */ |
| ha->vpd = ha->nvram + VPD_OFFSET; |
| ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd, |
| ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4); |
| |
| /* Get NVRAM data into cache and calculate checksum. */ |
| dptr = (uint32_t *)nv; |
| ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, |
| ha->nvram_size); |
| for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) |
| chksum += le32_to_cpu(*dptr++); |
| |
| DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); |
| DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); |
| |
| /* Bad NVRAM data, set defaults parameters. */ |
| if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' |
| || nv->id[3] != ' ' || |
| nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { |
| /* Reset NVRAM data. */ |
| qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " |
| "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], |
| le16_to_cpu(nv->nvram_version)); |
| qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " |
| "invalid -- WWPN) defaults.\n"); |
| |
| /* |
| * Set default initialization control block. |
| */ |
| memset(nv, 0, ha->nvram_size); |
| nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); |
| nv->version = __constant_cpu_to_le16(ICB_VERSION); |
| nv->frame_payload_size = __constant_cpu_to_le16(2048); |
| nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); |
| nv->exchange_count = __constant_cpu_to_le16(0); |
| nv->hard_address = __constant_cpu_to_le16(124); |
| nv->port_name[0] = 0x21; |
| nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); |
| nv->port_name[2] = 0x00; |
| nv->port_name[3] = 0xe0; |
| nv->port_name[4] = 0x8b; |
| nv->port_name[5] = 0x1c; |
| nv->port_name[6] = 0x55; |
| nv->port_name[7] = 0x86; |
| nv->node_name[0] = 0x20; |
| nv->node_name[1] = 0x00; |
| nv->node_name[2] = 0x00; |
| nv->node_name[3] = 0xe0; |
| nv->node_name[4] = 0x8b; |
| nv->node_name[5] = 0x1c; |
| nv->node_name[6] = 0x55; |
| nv->node_name[7] = 0x86; |
| qla24xx_nvram_wwn_from_ofw(ha, nv); |
| nv->login_retry_count = __constant_cpu_to_le16(8); |
| nv->interrupt_delay_timer = __constant_cpu_to_le16(0); |
| nv->login_timeout = __constant_cpu_to_le16(0); |
| nv->firmware_options_1 = |
| __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); |
| nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); |
| nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); |
| nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); |
| nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); |
| nv->efi_parameters = __constant_cpu_to_le32(0); |
| nv->reset_delay = 5; |
| nv->max_luns_per_target = __constant_cpu_to_le16(128); |
| nv->port_down_retry_count = __constant_cpu_to_le16(30); |
| nv->link_down_timeout = __constant_cpu_to_le16(30); |
| |
| rval = 1; |
| } |
| |
| /* Reset Initialization control block */ |
| memset(icb, 0, sizeof(struct init_cb_24xx)); |
| |
| /* Copy 1st segment. */ |
| dptr1 = (uint8_t *)icb; |
| dptr2 = (uint8_t *)&nv->version; |
| cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; |
| while (cnt--) |
| *dptr1++ = *dptr2++; |
| |
| icb->login_retry_count = nv->login_retry_count; |
| icb->link_down_on_nos = nv->link_down_on_nos; |
| |
| /* Copy 2nd segment. */ |
| dptr1 = (uint8_t *)&icb->interrupt_delay_timer; |
| dptr2 = (uint8_t *)&nv->interrupt_delay_timer; |
| cnt = (uint8_t *)&icb->reserved_3 - |
| (uint8_t *)&icb->interrupt_delay_timer; |
| while (cnt--) |
| *dptr1++ = *dptr2++; |
| |
| /* |
| * Setup driver NVRAM options. |
| */ |
| qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name), |
| "QLA2462"); |
| |
| /* Use alternate WWN? */ |
| if (nv->host_p & __constant_cpu_to_le32(BIT_15)) { |
| memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); |
| memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); |
| } |
| |
| /* Prepare nodename */ |
| if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) { |
| /* |
| * Firmware will apply the following mask if the nodename was |
| * not provided. |
| */ |
| memcpy(icb->node_name, icb->port_name, WWN_SIZE); |
| icb->node_name[0] &= 0xF0; |
| } |
| |
| /* Set host adapter parameters. */ |
| ha->flags.disable_risc_code_load = 0; |
| ha->flags.enable_lip_reset = 0; |
| ha->flags.enable_lip_full_login = |
| le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0; |
| ha->flags.enable_target_reset = |
| le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0; |
| ha->flags.enable_led_scheme = 0; |
| ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0; |
| |
| ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & |
| (BIT_6 | BIT_5 | BIT_4)) >> 4; |
| |
| memcpy(ha->fw_seriallink_options24, nv->seriallink_options, |
| sizeof(ha->fw_seriallink_options24)); |
| |
| /* save HBA serial number */ |
| ha->serial0 = icb->port_name[5]; |
| ha->serial1 = icb->port_name[6]; |
| ha->serial2 = icb->port_name[7]; |
| ha->node_name = icb->node_name; |
| ha->port_name = icb->port_name; |
| |
| icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); |
| |
| ha->retry_count = le16_to_cpu(nv->login_retry_count); |
| |
| /* Set minimum login_timeout to 4 seconds. */ |
| if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) |
| nv->login_timeout = cpu_to_le16(ql2xlogintimeout); |
| if (le16_to_cpu(nv->login_timeout) < 4) |
| nv->login_timeout = __constant_cpu_to_le16(4); |
| ha->login_timeout = le16_to_cpu(nv->login_timeout); |
| icb->login_timeout = cpu_to_le16(nv->login_timeout); |
| |
| /* Set minimum RATOV to 100 tenths of a second. */ |
| ha->r_a_tov = 100; |
| |
| ha->loop_reset_delay = nv->reset_delay; |
| |
| /* Link Down Timeout = 0: |
| * |
| * When Port Down timer expires we will start returning |
| * I/O's to OS with "DID_NO_CONNECT". |
| * |
| * Link Down Timeout != 0: |
| * |
| * The driver waits for the link to come up after link down |
| * before returning I/Os to OS with "DID_NO_CONNECT". |
| */ |
| if (le16_to_cpu(nv->link_down_timeout) == 0) { |
| ha->loop_down_abort_time = |
| (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); |
| } else { |
| ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); |
| ha->loop_down_abort_time = |
| (LOOP_DOWN_TIME - ha->link_down_timeout); |
| } |
| |
| /* Need enough time to try and get the port back. */ |
| ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); |
| if (qlport_down_retry) |
| ha->port_down_retry_count = qlport_down_retry; |
| |
| /* Set login_retry_count */ |
| ha->login_retry_count = le16_to_cpu(nv->login_retry_count); |
| if (ha->port_down_retry_count == |
| le16_to_cpu(nv->port_down_retry_count) && |
| ha->port_down_retry_count > 3) |
| ha->login_retry_count = ha->port_down_retry_count; |
| else if (ha->port_down_retry_count > (int)ha->login_retry_count) |
| ha->login_retry_count = ha->port_down_retry_count; |
| if (ql2xloginretrycount) |
| ha->login_retry_count = ql2xloginretrycount; |
| |
| /* Enable ZIO. */ |
| if (!ha->flags.init_done) { |
| ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & |
| (BIT_3 | BIT_2 | BIT_1 | BIT_0); |
| ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? |
| le16_to_cpu(icb->interrupt_delay_timer): 2; |
| } |
| icb->firmware_options_2 &= __constant_cpu_to_le32( |
| ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); |
| ha->flags.process_response_queue = 0; |
| if (ha->zio_mode != QLA_ZIO_DISABLED) { |
| ha->zio_mode = QLA_ZIO_MODE_6; |
| |
| DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay " |
| "(%d us).\n", ha->host_no, ha->zio_mode, |
| ha->zio_timer * 100)); |
| qla_printk(KERN_INFO, ha, |
| "ZIO mode %d enabled; timer delay (%d us).\n", |
| ha->zio_mode, ha->zio_timer * 100); |
| |
| icb->firmware_options_2 |= cpu_to_le32( |
| (uint32_t)ha->zio_mode); |
| icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); |
| ha->flags.process_response_queue = 1; |
| } |
| |
| if (rval) { |
| DEBUG2_3(printk(KERN_WARNING |
| "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); |
| } |
| return (rval); |
| } |
| |
| static int |
| qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) |
| { |
| int rval; |
| int segments, fragment; |
| uint32_t faddr; |
| uint32_t *dcode, dlen; |
| uint32_t risc_addr; |
| uint32_t risc_size; |
| uint32_t i; |
| |
| rval = QLA_SUCCESS; |
| |
| segments = FA_RISC_CODE_SEGMENTS; |
| faddr = FA_RISC_CODE_ADDR; |
| dcode = (uint32_t *)ha->request_ring; |
| *srisc_addr = 0; |
| |
| /* Validate firmware image by checking version. */ |
| qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); |
| for (i = 0; i < 4; i++) |
| dcode[i] = be32_to_cpu(dcode[i]); |
| if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && |
| dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || |
| (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && |
| dcode[3] == 0)) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to verify integrity of flash firmware image!\n"); |
| qla_printk(KERN_WARNING, ha, |
| "Firmware data: %08x %08x %08x %08x!\n", dcode[0], |
| dcode[1], dcode[2], dcode[3]); |
| |
| return QLA_FUNCTION_FAILED; |
| } |
| |
| while (segments && rval == QLA_SUCCESS) { |
| /* Read segment's load information. */ |
| qla24xx_read_flash_data(ha, dcode, faddr, 4); |
| |
| risc_addr = be32_to_cpu(dcode[2]); |
| *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; |
| risc_size = be32_to_cpu(dcode[3]); |
| |
| fragment = 0; |
| while (risc_size > 0 && rval == QLA_SUCCESS) { |
| dlen = (uint32_t)(ha->fw_transfer_size >> 2); |
| if (dlen > risc_size) |
| dlen = risc_size; |
| |
| DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " |
| "addr %x, number of dwords 0x%x, offset 0x%x.\n", |
| ha->host_no, risc_addr, dlen, faddr)); |
| |
| qla24xx_read_flash_data(ha, dcode, faddr, dlen); |
| for (i = 0; i < dlen; i++) |
| dcode[i] = swab32(dcode[i]); |
| |
| rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, |
| dlen); |
| if (rval) { |
| DEBUG(printk("scsi(%ld):[ERROR] Failed to load " |
| "segment %d of firmware\n", ha->host_no, |
| fragment)); |
| qla_printk(KERN_WARNING, ha, |
| "[ERROR] Failed to load segment %d of " |
| "firmware\n", fragment); |
| break; |
| } |
| |
| faddr += dlen; |
| risc_addr += dlen; |
| risc_size -= dlen; |
| fragment++; |
| } |
| |
| /* Next segment. */ |
| segments--; |
| } |
| |
| return rval; |
| } |
| |
| #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/" |
| |
| int |
| qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) |
| { |
| int rval; |
| int i, fragment; |
| uint16_t *wcode, *fwcode; |
| uint32_t risc_addr, risc_size, fwclen, wlen, *seg; |
| struct fw_blob *blob; |
| |
| /* Load firmware blob. */ |
| blob = qla2x00_request_firmware(ha); |
| if (!blob) { |
| qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); |
| qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " |
| "from: " QLA_FW_URL ".\n"); |
| return QLA_FUNCTION_FAILED; |
| } |
| |
| rval = QLA_SUCCESS; |
| |
| wcode = (uint16_t *)ha->request_ring; |
| *srisc_addr = 0; |
| fwcode = (uint16_t *)blob->fw->data; |
| fwclen = 0; |
| |
| /* Validate firmware image by checking version. */ |
| if (blob->fw->size < 8 * sizeof(uint16_t)) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to verify integrity of firmware image (%Zd)!\n", |
| blob->fw->size); |
| goto fail_fw_integrity; |
| } |
| for (i = 0; i < 4; i++) |
| wcode[i] = be16_to_cpu(fwcode[i + 4]); |
| if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && |
| wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && |
| wcode[2] == 0 && wcode[3] == 0)) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to verify integrity of firmware image!\n"); |
| qla_printk(KERN_WARNING, ha, |
| "Firmware data: %04x %04x %04x %04x!\n", wcode[0], |
| wcode[1], wcode[2], wcode[3]); |
| goto fail_fw_integrity; |
| } |
| |
| seg = blob->segs; |
| while (*seg && rval == QLA_SUCCESS) { |
| risc_addr = *seg; |
| *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; |
| risc_size = be16_to_cpu(fwcode[3]); |
| |
| /* Validate firmware image size. */ |
| fwclen += risc_size * sizeof(uint16_t); |
| if (blob->fw->size < fwclen) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to verify integrity of firmware image " |
| "(%Zd)!\n", blob->fw->size); |
| goto fail_fw_integrity; |
| } |
| |
| fragment = 0; |
| while (risc_size > 0 && rval == QLA_SUCCESS) { |
| wlen = (uint16_t)(ha->fw_transfer_size >> 1); |
| if (wlen > risc_size) |
| wlen = risc_size; |
| |
| DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " |
| "addr %x, number of words 0x%x.\n", ha->host_no, |
| risc_addr, wlen)); |
| |
| for (i = 0; i < wlen; i++) |
| wcode[i] = swab16(fwcode[i]); |
| |
| rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, |
| wlen); |
| if (rval) { |
| DEBUG(printk("scsi(%ld):[ERROR] Failed to load " |
| "segment %d of firmware\n", ha->host_no, |
| fragment)); |
| qla_printk(KERN_WARNING, ha, |
| "[ERROR] Failed to load segment %d of " |
| "firmware\n", fragment); |
| break; |
| } |
| |
| fwcode += wlen; |
| risc_addr += wlen; |
| risc_size -= wlen; |
| fragment++; |
| } |
| |
| /* Next segment. */ |
| seg++; |
| } |
| return rval; |
| |
| fail_fw_integrity: |
| return QLA_FUNCTION_FAILED; |
| } |
| |
| int |
| qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) |
| { |
| int rval; |
| int segments, fragment; |
| uint32_t *dcode, dlen; |
| uint32_t risc_addr; |
| uint32_t risc_size; |
| uint32_t i; |
| struct fw_blob *blob; |
| uint32_t *fwcode, fwclen; |
| |
| /* Load firmware blob. */ |
| blob = qla2x00_request_firmware(ha); |
| if (!blob) { |
| qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); |
| qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " |
| "from: " QLA_FW_URL ".\n"); |
| |
| /* Try to load RISC code from flash. */ |
| qla_printk(KERN_ERR, ha, "Attempting to load (potentially " |
| "outdated) firmware from flash.\n"); |
| return qla24xx_load_risc_flash(ha, srisc_addr); |
| } |
| |
| rval = QLA_SUCCESS; |
| |
| segments = FA_RISC_CODE_SEGMENTS; |
| dcode = (uint32_t *)ha->request_ring; |
| *srisc_addr = 0; |
| fwcode = (uint32_t *)blob->fw->data; |
| fwclen = 0; |
| |
| /* Validate firmware image by checking version. */ |
| if (blob->fw->size < 8 * sizeof(uint32_t)) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to verify integrity of firmware image (%Zd)!\n", |
| blob->fw->size); |
| goto fail_fw_integrity; |
| } |
| for (i = 0; i < 4; i++) |
| dcode[i] = be32_to_cpu(fwcode[i + 4]); |
| if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && |
| dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || |
| (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && |
| dcode[3] == 0)) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to verify integrity of firmware image!\n"); |
| qla_printk(KERN_WARNING, ha, |
| "Firmware data: %08x %08x %08x %08x!\n", dcode[0], |
| dcode[1], dcode[2], dcode[3]); |
| goto fail_fw_integrity; |
| } |
| |
| while (segments && rval == QLA_SUCCESS) { |
| risc_addr = be32_to_cpu(fwcode[2]); |
| *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; |
| risc_size = be32_to_cpu(fwcode[3]); |
| |
| /* Validate firmware image size. */ |
| fwclen += risc_size * sizeof(uint32_t); |
| if (blob->fw->size < fwclen) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to verify integrity of firmware image " |
| "(%Zd)!\n", blob->fw->size); |
| |
| goto fail_fw_integrity; |
| } |
| |
| fragment = 0; |
| while (risc_size > 0 && rval == QLA_SUCCESS) { |
| dlen = (uint32_t)(ha->fw_transfer_size >> 2); |
| if (dlen > risc_size) |
| dlen = risc_size; |
| |
| DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " |
| "addr %x, number of dwords 0x%x.\n", ha->host_no, |
| risc_addr, dlen)); |
| |
| for (i = 0; i < dlen; i++) |
| dcode[i] = swab32(fwcode[i]); |
| |
| rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, |
| dlen); |
| if (rval) { |
| DEBUG(printk("scsi(%ld):[ERROR] Failed to load " |
| "segment %d of firmware\n", ha->host_no, |
| fragment)); |
| qla_printk(KERN_WARNING, ha, |
| "[ERROR] Failed to load segment %d of " |
| "firmware\n", fragment); |
| break; |
| } |
| |
| fwcode += dlen; |
| risc_addr += dlen; |
| risc_size -= dlen; |
| fragment++; |
| } |
| |
| /* Next segment. */ |
| segments--; |
| } |
| return rval; |
| |
| fail_fw_integrity: |
| return QLA_FUNCTION_FAILED; |
| } |
| |
| void |
| qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha) |
| { |
| int ret, retries; |
| |
| if (!IS_FWI2_CAPABLE(ha)) |
| return; |
| if (!ha->fw_major_version) |
| return; |
| |
| ret = qla2x00_stop_firmware(ha); |
| for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT && |
| retries ; retries--) { |
| qla2x00_reset_chip(ha); |
| if (qla2x00_chip_diag(ha) != QLA_SUCCESS) |
| continue; |
| if (qla2x00_setup_chip(ha) != QLA_SUCCESS) |
| continue; |
| qla_printk(KERN_INFO, ha, |
| "Attempting retry of stop-firmware command...\n"); |
| ret = qla2x00_stop_firmware(ha); |
| } |
| } |
| |
| int |
| qla24xx_configure_vhba(scsi_qla_host_t *ha) |
| { |
| int rval = QLA_SUCCESS; |
| uint16_t mb[MAILBOX_REGISTER_COUNT]; |
| |
| if (!ha->parent) |
| return -EINVAL; |
| |
| rval = qla2x00_fw_ready(ha); |
| if (rval == QLA_SUCCESS) { |
| clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); |
| qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); |
| } |
| |
| ha->flags.management_server_logged_in = 0; |
| |
| /* Login to SNS first */ |
| qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc, |
| mb, BIT_1); |
| if (mb[0] != MBS_COMMAND_COMPLETE) { |
| DEBUG15(qla_printk(KERN_INFO, ha, |
| "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " |
| "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS, |
| mb[0], mb[1], mb[2], mb[6], mb[7])); |
| return (QLA_FUNCTION_FAILED); |
| } |
| |
| atomic_set(&ha->loop_down_timer, 0); |
| atomic_set(&ha->loop_state, LOOP_UP); |
| set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
| set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); |
| rval = qla2x00_loop_resync(ha); |
| |
| return rval; |
| } |
| |
| /* 84XX Support **************************************************************/ |
| |
| static LIST_HEAD(qla_cs84xx_list); |
| static DEFINE_MUTEX(qla_cs84xx_mutex); |
| |
| static struct qla_chip_state_84xx * |
| qla84xx_get_chip(struct scsi_qla_host *ha) |
| { |
| struct qla_chip_state_84xx *cs84xx; |
| |
| mutex_lock(&qla_cs84xx_mutex); |
| |
| /* Find any shared 84xx chip. */ |
| list_for_each_entry(cs84xx, &qla_cs84xx_list, list) { |
| if (cs84xx->bus == ha->pdev->bus) { |
| kref_get(&cs84xx->kref); |
| goto done; |
| } |
| } |
| |
| cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL); |
| if (!cs84xx) |
| goto done; |
| |
| kref_init(&cs84xx->kref); |
| spin_lock_init(&cs84xx->access_lock); |
| mutex_init(&cs84xx->fw_update_mutex); |
| cs84xx->bus = ha->pdev->bus; |
| |
| list_add_tail(&cs84xx->list, &qla_cs84xx_list); |
| done: |
| mutex_unlock(&qla_cs84xx_mutex); |
| return cs84xx; |
| } |
| |
| static void |
| __qla84xx_chip_release(struct kref *kref) |
| { |
| struct qla_chip_state_84xx *cs84xx = |
| container_of(kref, struct qla_chip_state_84xx, kref); |
| |
| mutex_lock(&qla_cs84xx_mutex); |
| list_del(&cs84xx->list); |
| mutex_unlock(&qla_cs84xx_mutex); |
| kfree(cs84xx); |
| } |
| |
| void |
| qla84xx_put_chip(struct scsi_qla_host *ha) |
| { |
| if (ha->cs84xx) |
| kref_put(&ha->cs84xx->kref, __qla84xx_chip_release); |
| } |
| |
| static int |
| qla84xx_init_chip(scsi_qla_host_t *ha) |
| { |
| int rval; |
| uint16_t status[2]; |
| |
| mutex_lock(&ha->cs84xx->fw_update_mutex); |
| |
| rval = qla84xx_verify_chip(ha, status); |
| |
| mutex_unlock(&ha->cs84xx->fw_update_mutex); |
| |
| return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED: |
| QLA_SUCCESS; |
| } |