/* * QLOGIC LINUX SOFTWARE * * QLogic ISP2x00 device driver for Linux 2.6.x * Copyright (C) 2003-2004 QLogic Corporation * (www.qlogic.com) * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any * later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * */ #include "qla_os.h" #include "qla_def.h" #include "qla_devtbl.h" /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */ #ifndef EXT_IS_LUN_BIT_SET #define EXT_IS_LUN_BIT_SET(P,L) \ (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0) #define EXT_SET_LUN_BIT(P,L) \ ((P)->mask[L/8] |= (0x80 >> (L%8))) #endif /* * QLogic ISP2x00 Hardware Support Function Prototypes. */ static int qla2x00_pci_config(scsi_qla_host_t *); static int qla2x00_isp_firmware(scsi_qla_host_t *); static void qla2x00_reset_chip(scsi_qla_host_t *); static int qla2x00_chip_diag(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_nvram_config(scsi_qla_host_t *); static void qla2x00_init_tgt_map(scsi_qla_host_t *); static int qla2x00_configure_loop(scsi_qla_host_t *); static int qla2x00_configure_local_loop(scsi_qla_host_t *); static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *); static void qla2x00_lun_discovery(scsi_qla_host_t *, fc_port_t *); static int qla2x00_rpt_lun_discovery(scsi_qla_host_t *, fc_port_t *, inq_cmd_rsp_t *, dma_addr_t); static int qla2x00_report_lun(scsi_qla_host_t *, fc_port_t *, rpt_lun_cmd_rsp_t *, dma_addr_t); static fc_lun_t *qla2x00_cfg_lun(scsi_qla_host_t *, fc_port_t *, uint16_t, inq_cmd_rsp_t *, dma_addr_t); static fc_lun_t * qla2x00_add_lun(fc_port_t *, uint16_t); static int qla2x00_inquiry(scsi_qla_host_t *, fc_port_t *, uint16_t, inq_cmd_rsp_t *, dma_addr_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 void qla2x00_config_os(scsi_qla_host_t *ha); static uint16_t qla2x00_fcport_bind(scsi_qla_host_t *ha, fc_port_t *fcport); static os_lun_t * qla2x00_fclun_bind(scsi_qla_host_t *, fc_port_t *, fc_lun_t *); static void qla2x00_lun_free(scsi_qla_host_t *, uint16_t, uint16_t); static int qla2x00_bstr_to_hex(char *, uint8_t *, int); static int qla2x00_find_propname(scsi_qla_host_t *, char *, char *, char *, int); #if 0 static void qla2x00_get_lun_mask_from_config(scsi_qla_host_t *, fc_port_t *, uint16_t, uint16_t); static int qla2x00_get_prop_16chars(scsi_qla_host_t *, char *, char *, char *); static void qla2x00_get_properties(scsi_qla_host_t *, char *); static void qla2x00_cfg_persistent_binding(scsi_qla_host_t *); static os_tgt_t *qla2x00_persistent_bind(scsi_qla_host_t *, uint8_t *, uint8_t *, port_id_t *, uint16_t); #endif static int qla2x00_restart_isp(scsi_qla_host_t *); static void qla2x00_reset_adapter(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; uint8_t isp_init = 0; uint8_t restart_risc = 0; uint8_t retry; /* Clear adapter flags. */ ha->flags.online = FALSE; ha->flags.reset_active = FALSE; atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); atomic_set(&ha->loop_state, LOOP_DOWN); ha->device_flags = 0; ha->sns_retry_cnt = 0; ha->dpc_flags = 0; ha->failback_delay = 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; rval = qla2x00_pci_config(ha); if (rval) { DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n", ha->host_no)); return (rval); } qla2x00_reset_chip(ha); /* Initialize target map database. */ qla2x00_init_tgt_map(ha); /* Get Flash Version */ qla2x00_get_flash_version(ha); qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); qla2x00_nvram_config(ha); ha->retry_count = ql2xretrycount; qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); #if 0 /* * If the user specified a device configuration on the command line * then use it as the configuration. Otherwise, we scan for all * devices. */ if (ql2xdevconf) { ha->cmdline = ql2xdevconf; qla2x00_get_properties(ha, ql2xdevconf); } #endif retry = 10; /* * Try to configure the loop. */ do { restart_risc = 0; isp_init = 0; /* If firmware needs to be loaded */ if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { if ((rval = qla2x00_chip_diag(ha)) == QLA_SUCCESS) { rval = qla2x00_setup_chip(ha); } } if (rval == QLA_SUCCESS && (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) { check_fw_ready_again: /* * Wait for a successful LIP up to a maximum * of (in seconds): RISC login timeout value, * RISC retry count value, and port down retry * value OR a minimum of 4 seconds OR If no * cable, only 5 seconds. */ if (!qla2x00_fw_ready(ha)) { clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); /* * Go setup flash database devices with proper * Loop ID's. */ do { clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); rval = qla2x00_configure_loop(ha); if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { restart_risc = 1; break; } /* * If loop state change while we were * discoverying devices then wait for * LIP to complete */ if (atomic_read(&ha->loop_state) == LOOP_DOWN && retry--) { goto check_fw_ready_again; } } while (!atomic_read(&ha->loop_down_timer) && retry && (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); } if (ha->mem_err) { restart_risc = 1; } isp_init = 1; } } while (restart_risc && retry--); if (isp_init) { /* Retrieve firmware information */ qla2x00_get_fw_version(ha, &ha->fw_major_version, &ha->fw_minor_version, &ha->fw_subminor_version, &ha->fw_attributes); clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); ha->marker_needed = 1; qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); ha->marker_needed = 0; ha->flags.online = TRUE; } if (rval) { DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); } return (rval); } /** * qla2x00_pci_config() - Setup device PCI configuration registers. * @ha: HA context * * Returns 0 on success. */ static int qla2x00_pci_config(scsi_qla_host_t *ha) { uint16_t w, mwi; unsigned long flags = 0; uint32_t cnt; qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); /* * Turn on PCI master; for system BIOSes that don't turn it on by * default. */ pci_set_master(ha->pdev); mwi = 0; if (pci_set_mwi(ha->pdev)) mwi = PCI_COMMAND_INVALIDATE; pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); if (!ha->iobase) return (QLA_FUNCTION_FAILED); /* * We want to respect framework's setting of PCI configuration space * command register and also want to make sure that all bits of * interest to us are properly set in command register. */ pci_read_config_word(ha->pdev, PCI_COMMAND, &w); w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); /* Get PCI bus information. */ spin_lock_irqsave(&ha->hardware_lock, flags); ha->pci_attr = RD_REG_WORD(&ha->iobase->ctrl_status); spin_unlock_irqrestore(&ha->hardware_lock, flags); if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); /* PCI Specification Revision 2.3 changes */ if (IS_QLA2322(ha) || IS_QLA6322(ha)) /* Command Register - Reset Interrupt Disable. */ w &= ~BIT_10; /* * 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(&ha->iobase->hccr, HCCR_PAUSE_RISC); for (cnt = 0; cnt < 30000; cnt++) { if ((RD_REG_WORD(&ha->iobase->hccr) & HCCR_RISC_PAUSE) != 0) break; udelay(10); } /* Select FPM registers. */ WRT_REG_WORD(&ha->iobase->ctrl_status, 0x20); /* Get the fb rev level */ ha->fb_rev = RD_FB_CMD_REG(ha, ha->iobase); if (ha->fb_rev == FPM_2300) w &= ~PCI_COMMAND_INVALIDATE; /* Deselect FPM registers. */ WRT_REG_WORD(&ha->iobase->ctrl_status, 0x0); /* Release RISC module. */ WRT_REG_WORD(&ha->iobase->hccr, HCCR_RELEASE_RISC); for (cnt = 0; cnt < 30000; cnt++) { if ((RD_REG_WORD(&ha->iobase->hccr) & HCCR_RISC_PAUSE) == 0) break; udelay(10); } spin_unlock_irqrestore(&ha->hardware_lock, flags); } } pci_write_config_word(ha->pdev, PCI_COMMAND, w); /* Reset expansion ROM address decode enable */ pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w); w &= ~PCI_ROM_ADDRESS_ENABLE; pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w); 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); } 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. */ static void qla2x00_reset_chip(scsi_qla_host_t *ha) { unsigned long flags = 0; device_reg_t *reg = ha->iobase; uint32_t cnt; unsigned long mbx_flags = 0; uint16_t cmd; /* Disable ISP interrupts. */ qla2x00_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 { udelay(10); } /* Select FPM registers. */ WRT_REG_WORD(®->ctrl_status, 0x20); /* FPM Soft Reset. */ WRT_REG_WORD(®->fpm_diag_config, 0x100); /* Toggle Fpm Reset. */ if (!IS_QLA2200(ha)) WRT_REG_WORD(®->fpm_diag_config, 0x0); /* Select frame buffer registers. */ WRT_REG_WORD(®->ctrl_status, 0x10); /* Reset frame buffer FIFOs. */ if (IS_QLA2200(ha)) { WRT_FB_CMD_REG(ha, reg, 0xa000); } 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); /* Reset RISC processor. */ WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); /* Release RISC processor. */ WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); } 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 (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags); if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) { if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) spin_unlock_irqrestore( &ha->mbx_reg_lock, mbx_flags); break; } if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) spin_unlock_irqrestore(&ha->mbx_reg_lock, mbx_flags); 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); spin_unlock_irqrestore(&ha->hardware_lock, flags); } /** * qla2x00_chip_diag() - Test chip for proper operation. * @ha: HA context * * Returns 0 on success. */ static int qla2x00_chip_diag(scsi_qla_host_t *ha) { int rval; device_reg_t *reg = ha->iobase; 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 (REQUEST_ENTRY_CNT > 1024) ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; else ha->fw_transfer_size = REQUEST_ENTRY_SIZE * REQUEST_ENTRY_CNT; 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->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); } /** * 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; uint16_t cnt; uint16_t *risc_code; unsigned long risc_address; unsigned long risc_code_size; int num; int i; uint16_t *req_ring; struct qla_fw_info *fw_iter; rval = QLA_SUCCESS; /* Load firmware sequences */ fw_iter = ha->brd_info->fw_info; while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) { risc_code = fw_iter->fwcode; risc_code_size = *fw_iter->fwlen; if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { risc_address = *fw_iter->fwstart; } else { /* Extended address */ risc_address = *fw_iter->lfwstart; } num = 0; rval = 0; while (risc_code_size > 0 && !rval) { cnt = (uint16_t)(ha->fw_transfer_size >> 1); if (cnt > risc_code_size) cnt = risc_code_size; DEBUG7(printk("scsi(%ld): Loading risc segment@ " "addr %p, number of bytes 0x%x, offset 0x%lx.\n", ha->host_no, risc_code, cnt, risc_address)); req_ring = (uint16_t *)ha->request_ring; for (i = 0; i < cnt; i++) req_ring[i] = cpu_to_le16(risc_code[i]); if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { rval = qla2x00_load_ram(ha, ha->request_dma, risc_address, cnt); } else { rval = qla2x00_load_ram_ext(ha, ha->request_dma, risc_address, cnt); } if (rval) { DEBUG(printk("scsi(%ld): [ERROR] Failed to " "load segment %d of firmware\n", ha->host_no, num)); qla_printk(KERN_WARNING, ha, "[ERROR] Failed to load " "segment %d of firmware\n", num); qla2x00_dump_regs(ha); break; } risc_code += cnt; risc_address += cnt; risc_code_size -= cnt; num++; } /* Next firmware sequence */ fw_iter++; } /* Verify checksum of loaded RISC code. */ if (!rval) { DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " "code.\n", ha->host_no)); rval = qla2x00_verify_checksum(ha); if (rval == QLA_SUCCESS) { /* Start firmware execution. */ DEBUG(printk("scsi(%ld): Checksum OK, start " "firmware.\n", ha->host_no)); rval = qla2x00_execute_fw(ha); } else { DEBUG2(printk(KERN_INFO "scsi(%ld): ISP Firmware failed checksum.\n", ha->host_no)); } } 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_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; device_reg_t *reg = ha->iobase; spin_lock_irqsave(&ha->hardware_lock, flags); /* Clear outstanding commands array. */ for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) ha->outstanding_cmds[cnt] = 0; 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 = REQUEST_ENTRY_CNT; ha->response_ring_ptr = ha->response_ring; ha->rsp_ring_index = 0; /* Initialize response queue entries */ qla2x00_init_response_q_entries(ha); 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)); spin_unlock_irqrestore(&ha->hardware_lock, flags); DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); rval = qla2x00_init_firmware(ha, sizeof(init_cb_t)); if (rval) { DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", ha->host_no)); } else { /* Setup seriallink options */ uint16_t swing, emphasis; 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))); memset(ha->fw_options, 0, sizeof(ha->fw_options)); qla2x00_get_fw_options(ha, ha->fw_options); ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; if (ha->fw_seriallink_options[1] & BIT_2) ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; /* 1G settings */ swing = ha->fw_seriallink_options[0] & (BIT_2 | BIT_1 | BIT_0); emphasis = ha->fw_seriallink_options[0] & (BIT_4 | BIT_3); emphasis >>= 3; ha->fw_options[10] = (emphasis << 14) | (swing << 8) | 0x3; /* 2G settings */ swing = ha->fw_seriallink_options[0] & (BIT_7 | BIT_6 | BIT_5); swing >>= 5; emphasis = ha->fw_seriallink_options[1] & (BIT_1 | BIT_0); ha->fw_options[11] = (emphasis << 14) | (swing << 8) | 0x3; qla2x00_set_fw_options(ha, ha->fw_options); 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; uint16_t min_wait; /* Minimum wait time if loop is down */ uint16_t wait_time; /* Wait time if loop is coming ready */ uint16_t fw_state; 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, &fw_state); if (rval == QLA_SUCCESS) { if (fw_state < FSTATE_LOSS_OF_SYNC) { ha->device_flags &= ~DFLG_NO_CABLE; } if (fw_state == 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) && fw_state >= FSTATE_LOSS_OF_SYNC) { /* 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 */ set_current_state(TASK_INTERRUPTIBLE); schedule_timeout(HZ / 2); DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", ha->host_no, fw_state, jiffies)); } while (1); DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", ha->host_no, fw_state, 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; 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); if (rval != QLA_SUCCESS) { qla_printk(KERN_WARNING, ha, "ERROR -- Unable to get host loop ID.\n"); return (rval); } if (topo == 4) { qla_printk(KERN_INFO, ha, "Cannot get topology - retrying.\n"); return (QLA_FUNCTION_FAILED); } ha->loop_id = loop_id; /* Make sure 2100 only has loop, in case of any firmware bug. */ if (IS_QLA2100(ha)) topo = 0; /* initialize */ ha->min_external_loopid = SNS_FIRST_LOOP_ID; ha->operating_mode = LOOP; 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->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->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); } /* * 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. */ static 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 = (nvram_t *)ha->request_ring; uint16_t *wptr = (uint16_t *)ha->request_ring; device_reg_t *reg = ha->iobase; uint16_t timer_mode; rval = QLA_SUCCESS; if (ha->flags.init_done) return (rval); /* Determine NVRAM starting address. */ 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. */ qla2x00_lock_nvram_access(ha); for (cnt = 0; cnt < sizeof(nvram_t)/2; cnt++) { *wptr = cpu_to_le16(qla2x00_get_nvram_word(ha, (cnt+ha->nvram_base))); chksum += (uint8_t)*wptr; chksum += (uint8_t)(*wptr >> 8); wptr++; } qla2x00_unlock_nvram_access(ha); DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, sizeof(nvram_t))); /* 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"); /* * Set default initialization control block. */ memset(nv, 0, sizeof(nvram_t)); 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 | BIT_4; 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; 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, sizeof(init_cb_t)); /* * 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; if (IS_QLA2300(ha)) { if (ha->fb_rev == FPM_2310) { strcpy(ha->model_number, "QLA2310"); } else { strcpy(ha->model_number, "QLA2300"); } } else { if (rval == 0 && memcmp(nv->model_number, BINZERO, sizeof(nv->model_number)) != 0) { char *st, *en; strncpy(ha->model_number, nv->model_number, sizeof(nv->model_number)); st = en = ha->model_number; en += sizeof(nv->model_number) - 1; while (en > st) { if (*en != 0x20 && *en != 0x00) break; *en-- = '\0'; } } else { uint16_t index; index = (ha->pdev->subsystem_device & 0xff); if (index < QLA_MODEL_NAMES) { strcpy(ha->model_number, qla2x00_model_name[index]); ha->model_desc = qla2x00_model_desc[index]; } else { strcpy(ha->model_number, "QLA23xx"); } } } } else if (IS_QLA2200(ha)) { nv->firmware_options[0] |= BIT_2; 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++; /* 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. */ ha->nvram_version = nv->nvram_version; 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->operating_mode = (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; ha->fw_seriallink_options[0] = nv->seriallink_options[0]; ha->fw_seriallink_options[1] = nv->seriallink_options[1]; /* save HBA serial number */ ha->serial0 = icb->port_name[5]; ha->serial1 = icb->port_name[6]; ha->serial2 = icb->port_name[7]; memcpy(ha->node_name, icb->node_name, WWN_SIZE); 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 200 tenths of a second. */ ha->r_a_tov = 200; ha->minimum_timeout = (ha->login_timeout * ha->retry_count) + nv->port_down_retry_count; ha->loop_reset_delay = nv->reset_delay; /* Will get the value from NVRAM. */ ha->loop_down_timeout = LOOP_DOWN_TIMEOUT; /* 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 - ha->loop_down_timeout); } else { ha->link_down_timeout = nv->link_down_timeout; ha->loop_down_abort_time = (LOOP_DOWN_TIME - ha->link_down_timeout); } ha->max_luns = MAX_LUNS; ha->max_probe_luns = le16_to_cpu(nv->max_luns_per_target); if (ha->max_probe_luns == 0) ha->max_probe_luns = MIN_LUNS; /* * 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; ha->binding_type = Bind; if (ha->binding_type != BIND_BY_PORT_NAME && ha->binding_type != BIND_BY_PORT_ID) { qla_printk(KERN_WARNING, ha, "Invalid binding type specified (%d), " "defaulting to BIND_BY_PORT_NAME!!!\n", ha->binding_type); ha->binding_type = BIND_BY_PORT_NAME; } /* * Setup ring parameters in initialization control block */ icb->request_q_outpointer = __constant_cpu_to_le16(0); icb->response_q_inpointer = __constant_cpu_to_le16(0); icb->request_q_length = __constant_cpu_to_le16(REQUEST_ENTRY_CNT); 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)); 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 { /* TEST ZIO: * * icb->add_firmware_options[0] &= * ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); * icb->add_firmware_options[0] |= (BIT_2 | BIT_0); */ timer_mode = icb->add_firmware_options[0] & (BIT_3 | BIT_2 | BIT_1 | BIT_0); if (timer_mode == 5) { DEBUG2(printk("scsi(%ld): ZIO enabled; timer delay " "(%d).\n", ha->host_no, ql2xintrdelaytimer)); qla_printk(KERN_INFO, ha, "ZIO enabled; timer delay (%d).\n", ql2xintrdelaytimer); icb->interrupt_delay_timer = ql2xintrdelaytimer; ha->flags.process_response_queue = 1; } } if (rval) { DEBUG2_3(printk(KERN_WARNING "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); } return (rval); } /* * qla2x00_init_tgt_map * Initializes target map. * * Input: * ha = adapter block pointer. * * Output: * TGT_Q initialized */ static void qla2x00_init_tgt_map(scsi_qla_host_t *ha) { uint32_t t; for (t = 0; t < MAX_TARGETS; t++) TGT_Q(ha, t) = (os_tgt_t *)NULL; } /** * 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. */ fc_port_t * qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags) { fc_port_t *fcport; fcport = kmalloc(sizeof(fc_port_t), flags); if (fcport == NULL) return (fcport); /* Setup fcport template structure. */ memset(fcport, 0, sizeof (fc_port_t)); fcport->ha = ha; fcport->port_type = FCT_UNKNOWN; fcport->loop_id = FC_NO_LOOP_ID; fcport->iodesc_idx_sent = IODESC_INVALID_INDEX; atomic_set(&fcport->state, FCS_UNCONFIGURED); fcport->flags = FCF_RLC_SUPPORT; INIT_LIST_HEAD(&fcport->fcluns); 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; uint8_t rval1 = 0; unsigned long flags, save_flags; rval = QLA_SUCCESS; /* Get Initiator ID */ if (qla2x00_configure_hba(ha)) { DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", ha->host_no)); return (QLA_FUNCTION_FAILED); } save_flags = flags = ha->dpc_flags; DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", ha->host_no, flags)); /* dg 02/26/02 ha->dpc_flags &= ~(LOCAL_LOOP_UPDATE | RSCN_UPDATE); */ /* * 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); ha->mem_err = 0 ; /* Determine what we need to do */ if (ha->current_topology == ISP_CFG_FL && (test_bit(LOCAL_LOOP_UPDATE, &flags))) { ha->flags.rscn_queue_overflow = TRUE; set_bit(RSCN_UPDATE, &flags); } else if (ha->current_topology == ISP_CFG_F && (test_bit(LOCAL_LOOP_UPDATE, &flags))) { ha->flags.rscn_queue_overflow = TRUE; set_bit(RSCN_UPDATE, &flags); clear_bit(LOCAL_LOOP_UPDATE, &flags); } else if (!ha->flags.online || (test_bit(ABORT_ISP_ACTIVE, &flags))) { ha->flags.rscn_queue_overflow = TRUE; set_bit(RSCN_UPDATE, &flags); set_bit(LOCAL_LOOP_UPDATE, &flags); } do { if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { rval = rval | qla2x00_configure_local_loop(ha); } if (test_bit(RSCN_UPDATE, &flags)) { rval1 = qla2x00_configure_fabric(ha); if ((rval1 & BIT_0) && ha->sns_retry_cnt < 8) { ha->sns_retry_cnt++; set_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags); } } /* Isolate error status. */ if (rval & BIT_0) { rval = 1; } else { rval = QLA_SUCCESS; } } while (rval != QLA_SUCCESS); if (!atomic_read(&ha->loop_down_timer) && !(test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))) { qla2x00_config_os(ha); /* If we found all devices then go ready */ if (!(test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags))) { atomic_set(&ha->loop_state, LOOP_READY); DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); } else { 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); } } else { DEBUG(printk("scsi(%ld): Loop down counter running= %d or " "Resync needed- dpc flags= %ld\n", ha->host_no, atomic_read(&ha->loop_down_timer), ha->dpc_flags)); /* ???? dg 02/26/02 rval = 1; */ } 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. * BIT_0 = error. */ 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; struct dev_id { uint8_t al_pa; uint8_t area; uint8_t domain; uint8_t loop_id_2100; /* ISP2100/ISP2200 -- 4 bytes. */ uint16_t loop_id; /* ISP23XX -- 6 bytes. */ } *id_list; #define MAX_ID_LIST_SIZE (sizeof(struct dev_id) * MAX_FIBRE_DEVICES) dma_addr_t id_list_dma; char *id_iter; uint16_t loop_id; uint8_t domain, area, al_pa; rval = QLA_SUCCESS; found_devs = 0; new_fcport = NULL; /* * No point in continuing if the loop is in a volatile state -- * reschedule LOCAL_LOOP_UPDATE for later processing */ if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); return (rval); } entries = MAX_FIBRE_DEVICES; id_list = pci_alloc_consistent(ha->pdev, MAX_ID_LIST_SIZE, &id_list_dma); if (id_list == NULL) { DEBUG2(printk("scsi(%ld): Failed to allocate memory, No local " "loop\n", ha->host_no)); qla_printk(KERN_WARNING, ha, "Memory Allocation failed - port_list"); ha->mem_err++; return (BIT_0); } memset(id_list, 0, MAX_ID_LIST_SIZE); 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. */ rval = qla2x00_get_id_list(ha, id_list, id_list_dma, &entries); if (rval) { rval = BIT_0; goto cleanup_allocation; } DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", ha->host_no, entries)); DEBUG3(qla2x00_dump_buffer((uint8_t *)id_list, entries * sizeof(struct dev_id))); /* Allocate temporary fcport for any new fcports discovered. */ new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); if (new_fcport == NULL) { rval = BIT_0; 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, &ha->fcports, list) { 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 *)id_list; for (index = 0; index < entries; index++) { domain = ((struct dev_id *)id_iter)->domain; area = ((struct dev_id *)id_iter)->area; al_pa = ((struct dev_id *)id_iter)->al_pa; if (IS_QLA2100(ha) || IS_QLA2200(ha)) { loop_id = (uint16_t)((struct dev_id *)id_iter)->loop_id_2100; id_iter += 4; } else { loop_id = le16_to_cpu(((struct dev_id *)id_iter)->loop_id); id_iter += 6; } /* Bypass reserved domain fields. */ if ((domain & 0xf0) == 0xf0) continue; /* Bypass if not same domain and area of adapter. */ if (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; 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)); continue; } /* Check for matching device in port list. */ found = 0; fcport = NULL; list_for_each_entry(fcport, &ha->fcports, list) { 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; list_add_tail(&new_fcport->list, &ha->fcports); /* Allocate a new replacement fcport. */ fcport = new_fcport; new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); if (new_fcport == NULL) { rval = BIT_0; goto cleanup_allocation; } new_fcport->flags &= ~FCF_FABRIC_DEVICE; } qla2x00_update_fcport(ha, fcport); found_devs++; } cleanup_allocation: pci_free_consistent(ha->pdev, MAX_ID_LIST_SIZE, id_list, id_list_dma); if (new_fcport) kfree(new_fcport); if (rval & BIT_0) { 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_probe_for_all_luns(scsi_qla_host_t *ha) { fc_port_t *fcport; qla2x00_mark_all_devices_lost(ha); list_for_each_entry(fcport, &ha->fcports, list) { if (fcport->port_type != FCT_TARGET) continue; qla2x00_update_fcport(ha, fcport); } } /* * 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. */ static void qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) { uint16_t index; unsigned long flags; srb_t *sp; fcport->ha = ha; fcport->login_retry = 0; fcport->port_login_retry_count = ha->port_down_retry_count * PORT_RETRY_TIME; atomic_set(&fcport->port_down_timer, ha->port_down_retry_count * PORT_RETRY_TIME); fcport->flags &= ~FCF_LOGIN_NEEDED; /* * Check for outstanding cmd on tape Bypass LUN discovery if active * command on tape. */ if (fcport->flags & FCF_TAPE_PRESENT) { spin_lock_irqsave(&ha->hardware_lock, flags); for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { if ((sp = ha->outstanding_cmds[index]) != 0) { if (sp->fclun->fcport == fcport) { atomic_set(&fcport->state, FCS_ONLINE); spin_unlock_irqrestore( &ha->hardware_lock, flags); return; } } } spin_unlock_irqrestore(&ha->hardware_lock, flags); } /* Do LUN discovery. */ if (fcport->port_type == FCT_INITIATOR || fcport->port_type == FCT_BROADCAST) { fcport->device_type = TYPE_PROCESSOR; } else { qla2x00_lun_discovery(ha, fcport); } atomic_set(&fcport->state, FCS_ONLINE); } /* * qla2x00_lun_discovery * Issue SCSI inquiry command for LUN discovery. * * Input: * ha: adapter state pointer. * fcport: FC port structure pointer. * * Context: * Kernel context. */ static void qla2x00_lun_discovery(scsi_qla_host_t *ha, fc_port_t *fcport) { inq_cmd_rsp_t *inq; dma_addr_t inq_dma; uint16_t lun; inq = pci_alloc_consistent(ha->pdev, sizeof(inq_cmd_rsp_t), &inq_dma); if (inq == NULL) { qla_printk(KERN_WARNING, ha, "Memory Allocation failed - INQ\n"); return; } /* If report LUN works, exit. */ if (qla2x00_rpt_lun_discovery(ha, fcport, inq, inq_dma) != QLA_SUCCESS) { for (lun = 0; lun < ha->max_probe_luns; lun++) { /* Configure LUN. */ qla2x00_cfg_lun(ha, fcport, lun, inq, inq_dma); } } pci_free_consistent(ha->pdev, sizeof(inq_cmd_rsp_t), inq, inq_dma); } /* * qla2x00_rpt_lun_discovery * Issue SCSI report LUN command for LUN discovery. * * Input: * ha: adapter state pointer. * fcport: FC port structure pointer. * * Returns: * qla2x00 local function return status code. * * Context: * Kernel context. */ static int qla2x00_rpt_lun_discovery(scsi_qla_host_t *ha, fc_port_t *fcport, inq_cmd_rsp_t *inq, dma_addr_t inq_dma) { int rval; uint32_t len, cnt; uint16_t lun; rpt_lun_cmd_rsp_t *rlc; dma_addr_t rlc_dma; /* Assume a failed status */ rval = QLA_FUNCTION_FAILED; /* No point in continuing if the device doesn't support RLC */ if ((fcport->flags & FCF_RLC_SUPPORT) == 0) return (rval); rlc = pci_alloc_consistent(ha->pdev, sizeof(rpt_lun_cmd_rsp_t), &rlc_dma); if (rlc == NULL) { qla_printk(KERN_WARNING, ha, "Memory Allocation failed - RLC"); return QLA_MEMORY_ALLOC_FAILED; } rval = qla2x00_report_lun(ha, fcport, rlc, rlc_dma); if (rval != QLA_SUCCESS) { pci_free_consistent(ha->pdev, sizeof(rpt_lun_cmd_rsp_t), rlc, rlc_dma); return (rval); } /* Always add a fc_lun_t structure for lun 0 -- mid-layer requirement */ qla2x00_add_lun(fcport, 0); /* Configure LUN list. */ len = be32_to_cpu(rlc->list.hdr.len); len /= 8; for (cnt = 0; cnt < len; cnt++) { lun = CHAR_TO_SHORT(rlc->list.lst[cnt].lsb, rlc->list.lst[cnt].msb.b); DEBUG3(printk("scsi(%ld): RLC lun = (%d)\n", ha->host_no, lun)); /* We only support 0 through MAX_LUNS-1 range */ if (lun < MAX_LUNS) { qla2x00_cfg_lun(ha, fcport, lun, inq, inq_dma); } } atomic_set(&fcport->state, FCS_ONLINE); pci_free_consistent(ha->pdev, sizeof(rpt_lun_cmd_rsp_t), rlc, rlc_dma); return (rval); } /* * qla2x00_report_lun * Issue SCSI report LUN command. * * Input: * ha: adapter state pointer. * fcport: FC port structure pointer. * mem: pointer to dma memory object for report LUN IOCB * packet. * * Returns: * qla2x00 local function return status code. * * Context: * Kernel context. */ static int qla2x00_report_lun(scsi_qla_host_t *ha, fc_port_t *fcport, rpt_lun_cmd_rsp_t *rlc, dma_addr_t rlc_dma) { int rval; uint16_t retries; uint16_t comp_status; uint16_t scsi_status; rval = QLA_FUNCTION_FAILED; for (retries = 3; retries; retries--) { memset(rlc, 0, sizeof(rpt_lun_cmd_rsp_t)); rlc->p.cmd.entry_type = COMMAND_A64_TYPE; rlc->p.cmd.entry_count = 1; SET_TARGET_ID(ha, rlc->p.cmd.target, fcport->loop_id); rlc->p.cmd.control_flags = __constant_cpu_to_le16(CF_READ | CF_SIMPLE_TAG); rlc->p.cmd.scsi_cdb[0] = REPORT_LUNS; rlc->p.cmd.scsi_cdb[8] = MSB(sizeof(rpt_lun_lst_t)); rlc->p.cmd.scsi_cdb[9] = LSB(sizeof(rpt_lun_lst_t)); rlc->p.cmd.dseg_count = __constant_cpu_to_le16(1); rlc->p.cmd.timeout = __constant_cpu_to_le16(10); rlc->p.cmd.byte_count = __constant_cpu_to_le32(sizeof(rpt_lun_lst_t)); rlc->p.cmd.dseg_0_address[0] = cpu_to_le32( LSD(rlc_dma + sizeof(sts_entry_t))); rlc->p.cmd.dseg_0_address[1] = cpu_to_le32( MSD(rlc_dma + sizeof(sts_entry_t))); rlc->p.cmd.dseg_0_length = __constant_cpu_to_le32(sizeof(rpt_lun_lst_t)); rval = qla2x00_issue_iocb(ha, rlc, rlc_dma, sizeof(rpt_lun_cmd_rsp_t)); comp_status = le16_to_cpu(rlc->p.rsp.comp_status); scsi_status = le16_to_cpu(rlc->p.rsp.scsi_status); if (rval != QLA_SUCCESS || comp_status != CS_COMPLETE || scsi_status & SS_CHECK_CONDITION) { /* Device underrun, treat as OK. */ if (rval == QLA_SUCCESS && comp_status == CS_DATA_UNDERRUN && scsi_status & SS_RESIDUAL_UNDER) { rval = QLA_SUCCESS; break; } DEBUG(printk("scsi(%ld): RLC failed to issue iocb! " "fcport=[%04x/%p] rval=%x cs=%x ss=%x\n", ha->host_no, fcport->loop_id, fcport, rval, comp_status, scsi_status)); rval = QLA_FUNCTION_FAILED; if (scsi_status & SS_CHECK_CONDITION) { DEBUG2(printk("scsi(%ld): RLC " "SS_CHECK_CONDITION Sense Data " "%02x %02x %02x %02x %02x %02x %02x %02x\n", ha->host_no, rlc->p.rsp.req_sense_data[0], rlc->p.rsp.req_sense_data[1], rlc->p.rsp.req_sense_data[2], rlc->p.rsp.req_sense_data[3], rlc->p.rsp.req_sense_data[4], rlc->p.rsp.req_sense_data[5], rlc->p.rsp.req_sense_data[6], rlc->p.rsp.req_sense_data[7])); if (rlc->p.rsp.req_sense_data[2] == ILLEGAL_REQUEST) { fcport->flags &= ~(FCF_RLC_SUPPORT); break; } } } else { break; } } return (rval); } /* * qla2x00_cfg_lun * Configures LUN into fcport LUN list. * * Input: * fcport: FC port structure pointer. * lun: LUN number. * * Context: * Kernel context. */ static fc_lun_t * qla2x00_cfg_lun(scsi_qla_host_t *ha, fc_port_t *fcport, uint16_t lun, inq_cmd_rsp_t *inq, dma_addr_t inq_dma) { fc_lun_t *fclun; /* Bypass LUNs that failed. */ if (qla2x00_inquiry(ha, fcport, lun, inq, inq_dma) != QLA_SUCCESS) { DEBUG2(printk("scsi(%ld): Failed inquiry - loop id=0x%04x " "lun=%d\n", ha->host_no, fcport->loop_id, lun)); return (NULL); } switch (inq->inq[0]) { case TYPE_DISK: case TYPE_PROCESSOR: case TYPE_WORM: case TYPE_ROM: case TYPE_SCANNER: case TYPE_MOD: case TYPE_MEDIUM_CHANGER: case TYPE_ENCLOSURE: case 0x20: case 0x0C: break; case TYPE_TAPE: fcport->flags |= FCF_TAPE_PRESENT; break; default: DEBUG2(printk("scsi(%ld): Unsupported lun type -- " "loop id=0x%04x lun=%d type=%x\n", ha->host_no, fcport->loop_id, lun, inq->inq[0])); return (NULL); } fcport->device_type = inq->inq[0]; fclun = qla2x00_add_lun(fcport, lun); if (fclun != NULL) { atomic_set(&fcport->state, FCS_ONLINE); } return (fclun); } /* * qla2x00_add_lun * Adds LUN to database * * Input: * fcport: FC port structure pointer. * lun: LUN number. * * Context: * Kernel context. */ static fc_lun_t * qla2x00_add_lun(fc_port_t *fcport, uint16_t lun) { int found; fc_lun_t *fclun; if (fcport == NULL) { DEBUG(printk("scsi: Unable to add lun to NULL port\n")); return (NULL); } /* Allocate LUN if not already allocated. */ found = 0; list_for_each_entry(fclun, &fcport->fcluns, list) { if (fclun->lun == lun) { found++; break; } } if (found) return (NULL); fclun = kmalloc(sizeof(fc_lun_t), GFP_ATOMIC); if (fclun == NULL) { printk(KERN_WARNING "%s(): Memory Allocation failed - FCLUN\n", __func__); return (NULL); } /* Setup LUN structure. */ memset(fclun, 0, sizeof(fc_lun_t)); fclun->lun = lun; fclun->fcport = fcport; fclun->o_fcport = fcport; fclun->device_type = fcport->device_type; atomic_set(&fcport->state, FCS_UNCONFIGURED); list_add_tail(&fclun->list, &fcport->fcluns); return (fclun); } /* * qla2x00_inquiry * Issue SCSI inquiry command. * * Input: * ha = adapter block pointer. * fcport = FC port structure pointer. * * Return: * 0 - Success * BIT_0 - error * * Context: * Kernel context. */ static int qla2x00_inquiry(scsi_qla_host_t *ha, fc_port_t *fcport, uint16_t lun, inq_cmd_rsp_t *inq, dma_addr_t inq_dma) { int rval; uint16_t retries; uint16_t comp_status; uint16_t scsi_status; rval = QLA_FUNCTION_FAILED; for (retries = 3; retries; retries--) { memset(inq, 0, sizeof(inq_cmd_rsp_t)); inq->p.cmd.entry_type = COMMAND_A64_TYPE; inq->p.cmd.entry_count = 1; inq->p.cmd.lun = cpu_to_le16(lun); SET_TARGET_ID(ha, inq->p.cmd.target, fcport->loop_id); inq->p.cmd.control_flags = __constant_cpu_to_le16(CF_READ | CF_SIMPLE_TAG); inq->p.cmd.scsi_cdb[0] = INQUIRY; inq->p.cmd.scsi_cdb[4] = INQ_DATA_SIZE; inq->p.cmd.dseg_count = __constant_cpu_to_le16(1); inq->p.cmd.timeout = __constant_cpu_to_le16(10); inq->p.cmd.byte_count = __constant_cpu_to_le32(INQ_DATA_SIZE); inq->p.cmd.dseg_0_address[0] = cpu_to_le32( LSD(inq_dma + sizeof(sts_entry_t))); inq->p.cmd.dseg_0_address[1] = cpu_to_le32( MSD(inq_dma + sizeof(sts_entry_t))); inq->p.cmd.dseg_0_length = __constant_cpu_to_le32(INQ_DATA_SIZE); DEBUG5(printk("scsi(%ld): Lun Inquiry - fcport=[%04x/%p]," " lun (%d)\n", ha->host_no, fcport->loop_id, fcport, lun)); rval = qla2x00_issue_iocb(ha, inq, inq_dma, sizeof(inq_cmd_rsp_t)); comp_status = le16_to_cpu(inq->p.rsp.comp_status); scsi_status = le16_to_cpu(inq->p.rsp.scsi_status); DEBUG5(printk("scsi(%ld): lun (%d) inquiry - " "inq[0]= 0x%x, comp status 0x%x, scsi status 0x%x, " "rval=%d\n", ha->host_no, lun, inq->inq[0], comp_status, scsi_status, rval)); if (rval != QLA_SUCCESS || comp_status != CS_COMPLETE || scsi_status & SS_CHECK_CONDITION) { DEBUG(printk("scsi(%ld): INQ failed to issue iocb! " "fcport=[%04x/%p] rval=%x cs=%x ss=%x\n", ha->host_no, fcport->loop_id, fcport, rval, comp_status, scsi_status)); if (rval == QLA_SUCCESS) rval = QLA_FUNCTION_FAILED; if (scsi_status & SS_CHECK_CONDITION) { DEBUG2(printk("scsi(%ld): INQ " "SS_CHECK_CONDITION Sense Data " "%02x %02x %02x %02x %02x %02x %02x %02x\n", ha->host_no, inq->p.rsp.req_sense_data[0], inq->p.rsp.req_sense_data[1], inq->p.rsp.req_sense_data[2], inq->p.rsp.req_sense_data[3], inq->p.rsp.req_sense_data[4], inq->p.rsp.req_sense_data[5], inq->p.rsp.req_sense_data[6], inq->p.rsp.req_sense_data[7])); } /* Device underrun drop LUN. */ if (comp_status == CS_DATA_UNDERRUN && scsi_status & SS_RESIDUAL_UNDER) { break; } } else { break; } } return (rval); } /* * 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]; LIST_HEAD(new_fcports); /* If FL port exists, then SNS is present */ rval = qla2x00_get_port_name(ha, SNS_FL_PORT, NULL, 0); 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); } /* 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 { /* Ensure we are logged into the SNS. */ qla2x00_login_fabric(ha, SIMPLE_NAME_SERVER, 0xff, 0xff, 0xfc, mb, BIT_0); if (mb[0] != MBS_COMMAND_COMPLETE) { 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", SIMPLE_NAME_SERVER, mb[0], mb[1], mb[2], mb[6], mb[7]); return (QLA_FUNCTION_FAILED); } 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, &ha->fcports, list) { 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); if (fcport->loop_id != FC_NO_LOOP_ID && (fcport->flags & FCF_TAPE_PRESENT) == 0 && fcport->port_type != FCT_INITIATOR && fcport->port_type != FCT_BROADCAST) { qla2x00_fabric_logout(ha, fcport->loop_id); fcport->loop_id = FC_NO_LOOP_ID; } } } /* Starting free loop ID. */ next_loopid = ha->min_external_loopid; /* * Scan through our port list and login entries that need to be * logged in. */ list_for_each_entry(fcport, &ha->fcports, list) { 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); /* Remove device from the new list and add it to DB */ list_del(&fcport->list); list_add_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. * BIT_0 = error. * * 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; int found; sw_info_t *swl; int swl_idx; int first_dev, last_dev; port_id_t wrap, nxt_d_id; rval = QLA_SUCCESS; /* Try GID_PT to get device list, else GAN. */ swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC); if (swl == NULL) { /*EMPTY*/ DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " "on GA_NXT\n", ha->host_no)); } else { memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES); 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; } } swl_idx = 0; /* Allocate temporary fcport for any new fcports discovered. */ new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); if (new_fcport == NULL) { if (swl) kfree(swl); return (QLA_MEMORY_ALLOC_FAILED); } new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); /* Set start port ID scan at adapter ID. */ first_dev = 1; last_dev = 0; /* Starting free loop ID. */ loop_id = ha->min_external_loopid; for (; loop_id <= ha->last_loop_id; loop_id++) { if (RESERVED_LOOP_ID(loop_id)) continue; if (atomic_read(&ha->loop_down_timer) || test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 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); 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) { 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 host adapter. */ if (new_fcport->d_id.b24 == ha->d_id.b24) continue; /* Bypass reserved domain fields. */ if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) continue; /* Bypass if same domain and area of adapter. */ if ((new_fcport->d_id.b24 & 0xffff00) == (ha->d_id.b24 & 0xffff00)) continue; /* Locate matching device in database. */ found = 0; list_for_each_entry(fcport, &ha->fcports, list) { if (memcmp(new_fcport->port_name, fcport->port_name, WWN_SIZE)) continue; found++; /* * 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; } /* * 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; } /* * 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) { qla2x00_fabric_logout(ha, fcport->loop_id); 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) { if (swl) 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; } if (swl) kfree(swl); if (new_fcport) 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. */ 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; 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 (RESERVED_LOOP_ID(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, &ha->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; int rval2; uint32_t mask; fc_port_t *fcport; uint32_t rscn_entry; uint8_t rscn_out_iter; uint8_t format; port_id_t d_id; 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: if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA6312(ha) && !IS_QLA6322(ha) && ha->flags.init_done) { /* Handle port RSCN via asyncronous IOCBs */ rval2 = qla2x00_handle_port_rscn(ha, rscn_entry, NULL, 0); if (rval2 == QLA_SUCCESS) continue; } 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; /* Abort any outstanding IO descriptors. */ if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) qla2x00_cancel_io_descriptors(ha); list_for_each_entry(fcport, &ha->fcports, list) { 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) { atomic_set(&fcport->state, FCS_DEVICE_LOST); } } 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; rval = QLA_SUCCESS; retry = 0; rval = qla2x00_fabric_login(ha, fcport, next_loopid); if (rval == QLA_SUCCESS) { rval = qla2x00_get_port_database(ha, fcport, BIT_1 | BIT_0); if (rval != QLA_SUCCESS) { qla2x00_fabric_logout(ha, fcport->loop_id); } 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. */ qla2x00_login_fabric(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 us to 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; } } 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; qla2x00_fabric_logout(ha, fcport->loop_id); fcport->loop_id = FC_NO_LOOP_ID; rval = 3; 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; qla2x00_fabric_logout(ha, fcport->loop_id); fcport->loop_id = FC_NO_LOOP_ID; atomic_set(&fcport->state, FCS_DEVICE_DEAD); rval = 1; 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, uint16_t loop_id) { int rval; uint16_t mb[MAILBOX_REGISTER_COUNT]; memset(mb, 0, sizeof(mb)); rval = qla2x00_login_local_device(ha, loop_id, 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; rval = QLA_SUCCESS; atomic_set(&ha->loop_state, LOOP_UPDATE); qla2x00_stats.loop_resync++; clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); if (ha->flags.online) { if (!(rval = qla2x00_fw_ready(ha))) { do { /* v2.19.05b6 */ atomic_set(&ha->loop_state, LOOP_UPDATE); /* * Issue marker command only when we are going * to start the I/O . */ ha->marker_needed = 1; /* Remap devices on Loop. */ clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); qla2x00_configure_loop(ha); } while (!atomic_read(&ha->loop_down_timer) && !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); } qla2x00_restart_queues(ha,TRUE); } if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { return (QLA_FUNCTION_FAILED); } if (rval) { DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); } return (rval); } /* * qla2x00_restart_queues * Restart device queues. * * Input: * ha = adapter block pointer. * * Context: * Kernel/Interrupt context. */ void qla2x00_restart_queues(scsi_qla_host_t *ha, uint8_t flush) { srb_t *sp; int retry_q_cnt = 0; int pending_q_cnt = 0; struct list_head *list, *temp; unsigned long flags = 0; clear_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags); /* start pending queue */ pending_q_cnt = ha->qthreads; if (flush) { spin_lock_irqsave(&ha->list_lock,flags); list_for_each_safe(list, temp, &ha->pending_queue) { sp = list_entry(list, srb_t, list); /* * When time expire return request back to OS as BUSY */ __del_from_pending_queue(ha, sp); sp->cmd->result = DID_BUS_BUSY << 16; sp->cmd->host_scribble = (unsigned char *)NULL; __add_to_done_queue(ha, sp); } spin_unlock_irqrestore(&ha->list_lock, flags); } else { if (!list_empty(&ha->pending_queue)) qla2x00_next(ha); } /* * Clear out our retry queue */ if (flush) { spin_lock_irqsave(&ha->list_lock, flags); retry_q_cnt = ha->retry_q_cnt; list_for_each_safe(list, temp, &ha->retry_queue) { sp = list_entry(list, srb_t, list); /* when time expire return request back to OS as BUSY */ __del_from_retry_queue(ha, sp); sp->cmd->result = DID_BUS_BUSY << 16; sp->cmd->host_scribble = (unsigned char *)NULL; __add_to_done_queue(ha, sp); } spin_unlock_irqrestore(&ha->list_lock, flags); DEBUG2(printk("%s(%ld): callback %d commands.\n", __func__, ha->host_no, retry_q_cnt);) } DEBUG2(printk("%s(%ld): active=%ld, retry=%d, pending=%d, " "done=%ld, scsi retry=%d commands.\n", __func__, ha->host_no, ha->actthreads, ha->retry_q_cnt, pending_q_cnt, ha->done_q_cnt, ha->scsi_retry_q_cnt);) if (!list_empty(&ha->done_queue)) qla2x00_done(ha); } void qla2x00_rescan_fcports(scsi_qla_host_t *ha) { int rescan_done; fc_port_t *fcport; rescan_done = 0; list_for_each_entry(fcport, &ha->fcports, list) { if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) continue; qla2x00_update_fcport(ha, fcport); fcport->flags &= ~FCF_RESCAN_NEEDED; rescan_done = 1; } qla2x00_probe_for_all_luns(ha); /* Update OS target and lun structures if necessary. */ if (rescan_done) { qla2x00_config_os(ha); } } /* * qla2x00_config_os * Setup OS target and LUN structures. * * Input: * ha = adapter state pointer. * * Context: * Kernel context. */ static void qla2x00_config_os(scsi_qla_host_t *ha) { fc_port_t *fcport; fc_lun_t *fclun; os_tgt_t *tq; uint16_t tgt; for (tgt = 0; tgt < MAX_TARGETS; tgt++) { if ((tq = TGT_Q(ha, tgt)) == NULL) continue; clear_bit(TQF_ONLINE, &tq->flags); } list_for_each_entry(fcport, &ha->fcports, list) { if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->port_type == FCT_INITIATOR || fcport->port_type == FCT_BROADCAST) { fcport->os_target_id = MAX_TARGETS; continue; } if (fcport->flags & FCF_FO_MASKED) { continue; } /* Bind FC port to OS target number. */ if (qla2x00_fcport_bind(ha, fcport) == MAX_TARGETS) { continue; } /* Bind FC LUN to OS LUN number. */ list_for_each_entry(fclun, &fcport->fcluns, list) { qla2x00_fclun_bind(ha, fcport, fclun); } } } /* * qla2x00_fcport_bind * Locates a target number for FC port. * * Input: * ha = adapter state pointer. * fcport = FC port structure pointer. * * Returns: * target number * * Context: * Kernel context. */ static uint16_t qla2x00_fcport_bind(scsi_qla_host_t *ha, fc_port_t *fcport) { uint16_t tgt; os_tgt_t *tq; /* Check for persistent binding. */ for (tgt = 0; tgt < MAX_TARGETS; tgt++) { if ((tq = TGT_Q(ha, tgt)) == NULL) continue; if (ha->binding_type == BIND_BY_PORT_ID && fcport->d_id.b24 == tq->d_id.b24) { memcpy(tq->node_name, fcport->node_name, WWN_SIZE); memcpy(tq->port_name, fcport->port_name, WWN_SIZE); break; } if (memcmp(fcport->port_name, tq->port_name, WWN_SIZE) == 0) { /* In case of persistent binding, update the WWNN */ memcpy(tq->node_name, fcport->node_name, WWN_SIZE); break; } } /* TODO: honor the ConfigRequired flag */ if (tgt == MAX_TARGETS) { /* Check if targetID 0 available. */ tgt = 0; if (TGT_Q(ha, tgt) != NULL) { /* Locate first free target for device. */ for (tgt = 0; tgt < MAX_TARGETS; tgt++) { if (TGT_Q(ha, tgt) == NULL) { break; } } } if (tgt != MAX_TARGETS) { if ((tq = qla2x00_tgt_alloc(ha, tgt)) != NULL) { memcpy(tq->node_name, fcport->node_name, WWN_SIZE); memcpy(tq->port_name, fcport->port_name, WWN_SIZE); tq->d_id.b24 = fcport->d_id.b24; } } } /* Reset target numbers incase it changed. */ fcport->os_target_id = tgt; if (tgt != MAX_TARGETS && tq != NULL) { DEBUG2(printk("scsi(%ld): Assigning target ID=%02d @ %p to " "loop id=0x%04x, port state=0x%x, port down retry=%d\n", ha->host_no, tgt, tq, fcport->loop_id, atomic_read(&fcport->state), atomic_read(&fcport->port_down_timer))); fcport->tgt_queue = tq; fcport->flags |= FCF_PERSISTENT_BOUND; tq->fcport = fcport; set_bit(TQF_ONLINE, &tq->flags); tq->port_down_retry_count = ha->port_down_retry_count; #if 0 qla2x00_get_lun_mask_from_config(ha, fcport, tgt, 0); #endif } if (tgt == MAX_TARGETS) { qla_printk(KERN_WARNING, ha, "Unable to bind fcport, loop_id=%x\n", fcport->loop_id); } return (tgt); } /* * qla2x00_fclun_bind * Binds all FC device LUNS to OS LUNS. * * Input: * ha: adapter state pointer. * fcport: FC port structure pointer. * * Returns: * target number * * Context: * Kernel context. */ static os_lun_t * qla2x00_fclun_bind(scsi_qla_host_t *ha, fc_port_t *fcport, fc_lun_t *fclun) { os_lun_t *lq; uint16_t tgt; uint16_t lun; tgt = fcport->os_target_id; lun = fclun->lun; /* Allocate LUNs */ if (lun >= MAX_LUNS) { DEBUG2(printk("scsi(%ld): Unable to bind lun, invalid " "lun=(%x).\n", ha->host_no, lun)); return (NULL); } /* Always alloc LUN 0 so kernel will scan past LUN 0. */ if (lun != 0 && (EXT_IS_LUN_BIT_SET(&(fcport->lun_mask), lun))) { return (NULL); } if ((lq = qla2x00_lun_alloc(ha, tgt, lun)) == NULL) { qla_printk(KERN_WARNING, ha, "Unable to bind fclun, loop_id=%x lun=%x\n", fcport->loop_id, lun); return (NULL); } lq->fclun = fclun; return (lq); } /* * qla2x00_tgt_alloc * Allocate and pre-initialize target queue. * * Input: * ha = adapter block pointer. * t = SCSI target number. * * Returns: * NULL = failure * * Context: * Kernel context. */ os_tgt_t * qla2x00_tgt_alloc(scsi_qla_host_t *ha, uint16_t tgt) { os_tgt_t *tq; /* * If SCSI addressing OK, allocate TGT queue and lock. */ if (tgt >= MAX_TARGETS) { DEBUG2(printk("scsi(%ld): Unable to allocate target, invalid " "target number %d.\n", ha->host_no, tgt)); return (NULL); } tq = TGT_Q(ha, tgt); if (tq == NULL) { tq = kmalloc(sizeof(os_tgt_t), GFP_ATOMIC); if (tq != NULL) { DEBUG2(printk("scsi(%ld): Alloc Target %d @ %p\n", ha->host_no, tgt, tq)); memset(tq, 0, sizeof(os_tgt_t)); tq->ha = ha; TGT_Q(ha, tgt) = tq; } } if (tq != NULL) { tq->port_down_retry_count = ha->port_down_retry_count; } else { qla_printk(KERN_WARNING, ha, "Unable to allocate target.\n"); ha->mem_err++; } return (tq); } /* * qla2x00_tgt_free * Frees target and LUN queues. * * Input: * ha = adapter block pointer. * t = SCSI target number. * * Context: * Kernel context. */ void qla2x00_tgt_free(scsi_qla_host_t *ha, uint16_t tgt) { os_tgt_t *tq; uint16_t lun; /* * If SCSI addressing OK, allocate TGT queue and lock. */ if (tgt >= MAX_TARGETS) { DEBUG2(printk("scsi(%ld): Unable to de-allocate target, " "invalid target number %d.\n", ha->host_no, tgt)); return; } tq = TGT_Q(ha, tgt); if (tq != NULL) { TGT_Q(ha, tgt) = NULL; /* Free LUN structures. */ for (lun = 0; lun < MAX_LUNS; lun++) qla2x00_lun_free(ha, tgt, lun); kfree(tq); } return; } /* * qla2x00_lun_alloc * Allocate and initialize LUN queue. * * Input: * ha = adapter block pointer. * t = SCSI target number. * l = LUN number. * * Returns: * NULL = failure * * Context: * Kernel context. */ os_lun_t * qla2x00_lun_alloc(scsi_qla_host_t *ha, uint16_t tgt, uint16_t lun) { os_lun_t *lq; /* * If SCSI addressing OK, allocate LUN queue. */ if (tgt >= MAX_TARGETS || lun >= MAX_LUNS || TGT_Q(ha, tgt) == NULL) { DEBUG2(printk("scsi(%ld): Unable to allocate lun, invalid " "parameter.\n", ha->host_no)); return (NULL); } lq = LUN_Q(ha, tgt, lun); if (lq == NULL) { lq = kmalloc(sizeof(os_lun_t), GFP_ATOMIC); if (lq != NULL) { DEBUG2(printk("scsi(%ld): Alloc Lun %d @ tgt %d.\n", ha->host_no, lun, tgt)); memset(lq, 0, sizeof (os_lun_t)); LUN_Q(ha, tgt, lun) = lq; /* * The following lun queue initialization code * must be duplicated in alloc_ioctl_mem function * for ioctl_lq. */ lq->q_state = LUN_STATE_READY; spin_lock_init(&lq->q_lock); } } if (lq == NULL) { qla_printk(KERN_WARNING, ha, "Unable to allocate lun.\n"); } return (lq); } /* * qla2x00_lun_free * Frees LUN queue. * * Input: * ha = adapter block pointer. * t = SCSI target number. * * Context: * Kernel context. */ static void qla2x00_lun_free(scsi_qla_host_t *ha, uint16_t tgt, uint16_t lun) { os_lun_t *lq; /* * If SCSI addressing OK, allocate TGT queue and lock. */ if (tgt >= MAX_TARGETS || lun >= MAX_LUNS) { DEBUG2(printk("scsi(%ld): Unable to deallocate lun, invalid " "parameter.\n", ha->host_no)); return; } if (TGT_Q(ha, tgt) != NULL && (lq = LUN_Q(ha, tgt, lun)) != NULL) { LUN_Q(ha, tgt, lun) = NULL; kfree(lq); } return; } #if 0 /* * qla2x00_get_lun_mask_from_config * Get lun mask from the configuration parameters. * Bit order is little endian. * * Input: * ha -- Host adapter * tgt -- target/device number * port -- pointer to port */ static void qla2x00_get_lun_mask_from_config(scsi_qla_host_t *ha, fc_port_t *fcport, uint16_t tgt, uint16_t dev_no) { char propbuf[60]; /* size of search string */ int rval, lun, bit; lun_bit_mask_t lun_mask, *mask_ptr = &lun_mask; /* Get "target-N-device-N-lun-mask" as a 256 bit lun_mask*/ sprintf(propbuf, "scsi-qla%ld-tgt-%d-di-%d-lun-disabled", ha->instance, tgt, dev_no); rval = qla2x00_get_prop_xstr(ha, propbuf, (uint8_t *)&lun_mask, sizeof(lun_bit_mask_t)); if (rval == sizeof(lun_bit_mask_t)) { memset(&fcport->lun_mask, 0, sizeof(lun_bit_mask_t)); for (lun = 8 * sizeof(lun_bit_mask_t) - 1, bit = 0; lun >= 0; lun--, bit++) { if (EXT_IS_LUN_BIT_SET(mask_ptr, lun)) EXT_SET_LUN_BIT((&fcport->lun_mask), bit); } DEBUG3(printk("scsi(%ld): returning lun mask for fcport " "%02x%02x%02x%02x%02x%02x%02x%02x:\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])); DEBUG3(qla2x00_dump_buffer((uint8_t *)&fcport->lun_mask, sizeof(lun_bit_mask_t));) } } #endif /* * qla2x00_bstr_to_hex * Convert hex byte string to number. * * Input: * s = byte string pointer. * bp = byte pointer for number. * size = number of bytes. * * Context: * Kernel/Interrupt context. */ static int qla2x00_bstr_to_hex(char *s, uint8_t *bp, int size) { int cnt; uint8_t n; for (cnt = 0; *s != '\0' && cnt / 2 < size; cnt++) { if (*s >= 'A' && *s <= 'F') { n = (*s++ - 'A') + 10; } else if (*s >= 'a' && *s <= 'f') { n = (*s++ - 'a') + 10; } else if (*s >= '0' && *s <= '9') { n = *s++ - '0'; } else { cnt = 0; break; } if (cnt & BIT_0) *bp++ |= n; else *bp = n << 4; } /* fixme(dg) Need to swap data little endian */ return (cnt / 2); } /* * qla2x00_get_prop_xstr * Get a string property value for the specified property name and * convert from the property string found in the configuration file, * which are ASCII characters representing nibbles, 2 characters represent * the hexdecimal value for a byte in the byte array. * The byte array is initialized to zero. * The resulting converted value is in big endian format (MSB at byte0). * * Input: * ha = adapter state pointer. * propname = property name pointer. * propval = pointer where to store converted property val. * size = max or expected size of 'propval' array. * * Returns: * 0 = empty value string or invalid character in string * >0 = count of characters converted * -1 = property not found * * Context: * Kernel context. */ int qla2x00_get_prop_xstr(scsi_qla_host_t *ha, char *propname, uint8_t *propval, int size) { char *propstr; int rval = -1; static char buf[LINESIZE]; /* Get the requested property string */ rval = qla2x00_find_propname(ha, propname, buf, ha->cmdline, size*2); DEBUG3(printk("%s(): Ret rval from find propname = %d\n", __func__, rval);) propstr = &buf[0]; if (*propstr == '=') propstr++; /* ignore equal sign */ if (rval == 0) { /* not found */ return (-1); } rval = qla2x00_bstr_to_hex(propstr, (uint8_t *)propval, size); if (rval == 0) { /* Invalid character in value string */ qla_printk(KERN_INFO, ha, "%s(): %s Invalid hex string for property\n", __func__, propname); qla_printk(KERN_INFO, ha, " Invalid string - %s\n", propstr); } return (rval); } /* * qla2x00_find_propname * Get property in database. * * Input: * ha = adapter structure pointer. * db = pointer to database * propstr = pointer to dest array for string * propname = name of property to search for. * siz = size of property * * Returns: * 0 = no property * size = index of property * * Context: * Kernel context. */ static int qla2x00_find_propname(scsi_qla_host_t *ha, char *propname, char *propstr, char *db, int siz) { char *cp; /* find the specified string */ if (db) { /* find the property name */ if ((cp = strstr(db,propname)) != NULL) { while ((*cp) && *cp != '=') cp++; if (*cp) { strncpy(propstr, cp, siz+1); propstr[siz+1] = '\0'; DEBUG(printk("qla2x00_find_propname: found " "property = {%s}\n", propstr);) return (siz); /* match */ } } } return (0); } #if 0 /* * qla2x00_get_prop_16chars * Get an 8-byte property value for the specified property name by * converting from the property string found in the configuration file. * The resulting converted value is in big endian format (MSB at byte0). * * Input: * ha = adapter state pointer. * propname = property name pointer. * propval = pointer to location for the converted property val. * db = pointer to database * * Returns: * 0 = value returned successfully. * * Context: * Kernel context. */ static int qla2x00_get_prop_16chars(scsi_qla_host_t *ha, char *propname, char *propval, char *db) { char *propstr; int i, k; int rval; uint8_t nval; uint8_t *pchar; uint8_t *ret_byte; uint8_t *tmp_byte; uint8_t *retval = (uint8_t*)propval; uint8_t tmpval[8] = {0, 0, 0, 0, 0, 0, 0, 0}; uint16_t max_byte_cnt = 8; /* 16 chars = 8 bytes */ uint16_t max_strlen = 16; static char buf[LINESIZE]; rval = qla2x00_find_propname(ha, propname, buf, db, max_strlen); propstr = &buf[0]; if (*propstr == '=') propstr++; /* ignore equal sign */ if (rval == 0) { return (1); } /* Convert string to numbers. */ pchar = (uint8_t *)propstr; tmp_byte = (uint8_t *)tmpval; rval = 0; for (i = 0; i < max_strlen; i++) { /* * Check for invalid character, two at a time, * then convert them starting with first byte. */ if ((pchar[i] >= '0') && (pchar[i] <= '9')) { nval = pchar[i] - '0'; } else if ((pchar[i] >= 'A') && (pchar[i] <= 'F')) { nval = pchar[i] - 'A' + 10; } else if ((pchar[i] >= 'a') && (pchar[i] <= 'f')) { nval = pchar[i] - 'a' + 10; } else { /* invalid character */ rval = 1; break; } if (i & BIT_0) { *tmp_byte = *tmp_byte | nval; tmp_byte++; } else { *tmp_byte = *tmp_byte | nval << 4; } } if (rval != 0) { /* Encountered invalid character. */ return (rval); } /* Copy over the converted value. */ ret_byte = retval; tmp_byte = tmpval; i = max_byte_cnt; k = 0; while (i--) { *ret_byte++ = *tmp_byte++; } /* big endian retval[0]; */ return (0); } /* * qla2x00_get_properties * Find all properties for the specified adapeter in * command line. * * Input: * ha = adapter block pointer. * cmdline = pointer to command line string * * Context: * Kernel context. */ static void qla2x00_get_properties(scsi_qla_host_t *ha, char *cmdline) { int rval; static char propbuf[LINESIZE]; uint8_t fc_name[8]; /* Adapter FC node names. */ sprintf(propbuf, "scsi-qla%d-adapter-node", (int) ha->instance); rval = qla2x00_get_prop_16chars(ha, propbuf, fc_name, cmdline); if (rval == QLA_SUCCESS) memcpy(ha->init_cb->node_name, fc_name, WWN_SIZE); /* DG 04/07 check portname of adapter */ sprintf(propbuf, "scsi-qla%d-adapter-port", (int)ha->instance); rval = qla2x00_get_prop_16chars(ha, propbuf, fc_name, cmdline); if (rval == QLA_SUCCESS && memcmp(ha->init_cb->port_name, fc_name, WWN_SIZE)) { /* * Adapter port name is WWN, and cannot be changed. * Inform users of the mismatch, then just continue driver * loading using the original adapter port name in NVRAM. */ qla_printk(KERN_WARNING, ha, "Found mismatch in adapter port names.\n"); qla_printk(KERN_INFO, ha, " qla%ld port name found in NVRAM -> " "%02x%02x%02x%02x%02x%02x%02x%02x\n", ha->instance, ha->init_cb->port_name[0], ha->init_cb->port_name[1], ha->init_cb->port_name[2], ha->init_cb->port_name[3], ha->init_cb->port_name[4], ha->init_cb->port_name[5], ha->init_cb->port_name[6], ha->init_cb->port_name[7]); qla_printk(KERN_INFO, ha, " qla%ld port name found on command line -> " "%02x%02x%02x%02x%02x%02x%02x%02x\n", ha->instance, fc_name[0], fc_name[1], fc_name[2], fc_name[3], fc_name[4], fc_name[5], fc_name[6], fc_name[7]); qla_printk(KERN_INFO, ha, " Using port name from NVRAM.\n"); } qla2x00_cfg_persistent_binding(ha); } /* * qla2x00_cfg_persistent_binding * Get driver configuration file target persistent binding entries. * * Input: * ha = adapter block pointer. * * Context: * Kernel context. */ static void qla2x00_cfg_persistent_binding(scsi_qla_host_t *ha) { int rval; static char propbuf[LINESIZE]; char *cmdline = ha->cmdline; uint16_t tgt; port_id_t d_id; uint8_t portid[3]; uint8_t port_name[8]; for (tgt = 0; tgt < MAX_TARGETS; tgt++) { if (ha->binding_type == BIND_BY_PORT_ID) { sprintf(propbuf, "scsi-qla%d-tgt-%d-di-0-pid", (int)ha->instance, tgt); rval = qla2x00_get_prop_xstr(ha, propbuf, portid, sizeof(portid)); if (rval != sizeof(portid)) continue; memset(&d_id, 0, sizeof(port_id_t)); d_id.r.d_id[0] = portid[2]; d_id.r.d_id[1] = portid[1]; d_id.r.d_id[2] = portid[0]; } else { sprintf(propbuf, "scsi-qla%d-tgt-%d-di-0-port", (int)ha->instance, tgt); rval = qla2x00_get_prop_16chars(ha, propbuf, port_name, cmdline); if (rval != QLA_SUCCESS) continue; /* Fallthru since port_name already populated */ } /* * Create target context for device. */ if (ha->binding_type == BIND_BY_PORT_ID) { qla2x00_persistent_bind(ha, NULL, NULL, &d_id, tgt); } else { qla2x00_persistent_bind(ha, NULL, port_name, NULL, tgt); } } } /* * qla2x00_persistent_bind * Allocates target and fcport. * * Input: * ha: adapter state pointer. * node_name: node name pointer. * port_name: port name pointer. * d_id: port ID pointer. * tgt: OS target number. * * Returns: * success = target queue pointer. * failure = NULL. * * Context: * Kernel context. */ static os_tgt_t * qla2x00_persistent_bind(scsi_qla_host_t *ha, uint8_t *node_name, uint8_t *port_name, port_id_t *d_id, uint16_t tgt) { os_tgt_t *tq; uint16_t tgt2; /* * Check for duplicates. */ for (tgt2 = 0; tgt2 < MAX_TARGETS; tgt2++) { if ((tq = TGT_Q(ha, tgt2)) == NULL) { continue; } if (ha->binding_type == BIND_BY_PORT_ID) { if (tq->d_id.b24 != d_id->b24) { continue; } } else if (memcmp(tq->port_name, port_name, WWN_SIZE) != 0) { continue; } qla_printk(KERN_WARNING, ha, "Duplicate persistent bindings found for " "WWPN: %02x%02x%02x%02x%02x%02x%02x%02x.\n", port_name[0], port_name[1], port_name[2], port_name[3], port_name[4], port_name[5], port_name[6], port_name[7]); return (tq); } tq = qla2x00_tgt_alloc(ha, tgt); if (tq == NULL) { return (NULL); } if (node_name != NULL) { memcpy(tq->node_name, node_name, WWN_SIZE); } if (port_name != NULL) { memcpy(tq->port_name, port_name, WWN_SIZE); } if (d_id != NULL) { tq->d_id.b24 = d_id->b24; } return (tq); } #endif /* * 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) { unsigned long flags = 0; uint16_t cnt; srb_t *sp; uint8_t status = 0; if (ha->flags.online) { ha->flags.online = FALSE; clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); qla2x00_stats.ispAbort++; ha->total_isp_aborts++; /* used by ioctl */ ha->sns_retry_cnt = 0; qla_printk(KERN_INFO, ha, "Performing ISP error recovery - ha= %p.\n", ha); qla2x00_reset_chip(ha); if (atomic_read(&ha->loop_state) != LOOP_DOWN) { atomic_set(&ha->loop_state, LOOP_DOWN); atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); qla2x00_mark_all_devices_lost(ha); } spin_lock_irqsave(&ha->hardware_lock, flags); /* Requeue all commands in outstanding command list. */ for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { sp = ha->outstanding_cmds[cnt]; if (sp) { ha->outstanding_cmds[cnt] = 0; if (ha->actthreads) ha->actthreads--; sp->lun_queue->out_cnt--; sp->flags = 0; /* * Set the cmd host_byte status depending on * whether the scsi_error_handler is * active or not. */ if (ha->host->eh_active != EH_ACTIVE) { sp->cmd->result = DID_BUS_BUSY << 16; } else { sp->cmd->result = DID_RESET << 16; } sp->cmd->host_scribble = (unsigned char *)NULL; add_to_done_queue(ha, sp); } } spin_unlock_irqrestore(&ha->hardware_lock, flags); qla2x00_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 = TRUE; /* Enable ISP interrupts. */ qla2x00_enable_intrs(ha); /* v2.19.5b6 Return all commands */ qla2x00_abort_queues(ha, TRUE); /* Restart queues that may have been stopped. */ qla2x00_restart_queues(ha,TRUE); ha->isp_abort_cnt = 0; clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); } else { /* failed the ISP abort */ ha->flags.online = TRUE; 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. */ qla2x00_reset_adapter(ha); qla2x00_abort_queues(ha, FALSE); ha->flags.online = FALSE; 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 remainning %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; device_reg_t *reg; unsigned long flags = 0; /* If firmware needs to be loaded */ if (qla2x00_isp_firmware(ha)) { ha->flags.online = FALSE; if (!(status = qla2x00_chip_diag(ha))) { if (IS_QLA2100(ha) || IS_QLA2200(ha)) { status = qla2x00_setup_chip(ha); goto done; } reg = ha->iobase; spin_lock_irqsave(&ha->hardware_lock, flags); /* Disable SRAM, Instruction RAM and GP RAM parity. */ WRT_REG_WORD(®->hccr, (HCCR_ENABLE_PARITY + 0x0)); spin_unlock_irqrestore(&ha->hardware_lock, flags); status = qla2x00_setup_chip(ha); spin_lock_irqsave(&ha->hardware_lock, flags); /* Enable proper parity */ 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)); spin_unlock_irqrestore(&ha->hardware_lock, flags); } } done: 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);) ha->flags.online = TRUE; do { clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); qla2x00_configure_loop(ha); } while (!atomic_read(&ha->loop_down_timer) && !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && (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. */ static void qla2x00_reset_adapter(scsi_qla_host_t *ha) { unsigned long flags = 0; device_reg_t *reg = ha->iobase; ha->flags.online = FALSE; qla2x00_disable_intrs(ha); /* Reset RISC processor. */ spin_lock_irqsave(&ha->hardware_lock, flags); WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); spin_unlock_irqrestore(&ha->hardware_lock, flags); }