diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_isr.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 2650 |
1 files changed, 1837 insertions, 813 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index f250e5b7897..a56825c73c3 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1,22 +1,23 @@ /* * QLogic Fibre Channel HBA Driver - * Copyright (c) 2003-2008 QLogic Corporation + * Copyright (c) 2003-2014 QLogic Corporation * * See LICENSE.qla2xxx for copyright and licensing details. */ #include "qla_def.h" +#include "qla_target.h" #include <linux/delay.h> +#include <linux/slab.h> #include <scsi/scsi_tcq.h> +#include <scsi/scsi_bsg_fc.h> +#include <scsi/scsi_eh.h> static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); -static void qla2x00_process_completed_request(struct scsi_qla_host *, - struct req_que *, uint32_t); static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); -static void qla2x00_status_cont_entry(scsi_qla_host_t *, sts_cont_entry_t *); +static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, sts_entry_t *); -static struct scsi_qla_host *qla2x00_get_rsp_host(struct rsp_que *); /** * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. @@ -38,11 +39,12 @@ qla2100_intr_handler(int irq, void *dev_id) uint16_t hccr; uint16_t mb[4]; struct rsp_que *rsp; + unsigned long flags; rsp = (struct rsp_que *) dev_id; if (!rsp) { - printk(KERN_INFO - "%s(): NULL response queue pointer\n", __func__); + ql_log(ql_log_info, NULL, 0x505d, + "%s: NULL response queue pointer.\n", __func__); return (IRQ_NONE); } @@ -50,17 +52,27 @@ qla2100_intr_handler(int irq, void *dev_id) reg = &ha->iobase->isp; status = 0; - spin_lock(&ha->hardware_lock); - vha = qla2x00_get_rsp_host(rsp); + spin_lock_irqsave(&ha->hardware_lock, flags); + vha = pci_get_drvdata(ha->pdev); for (iter = 50; iter--; ) { hccr = RD_REG_WORD(®->hccr); + /* Check for PCI disconnection */ + if (hccr == 0xffff) { + /* + * Schedule this on the default system workqueue so that + * all the adapter workqueues and the DPC thread can be + * shutdown cleanly. + */ + schedule_work(&ha->board_disable); + break; + } if (hccr & HCCR_RISC_PAUSE) { if (pci_channel_offline(ha->pdev)) break; /* * Issue a "HARD" reset in order for the RISC interrupt - * bit to be cleared. Schedule a big hammmer to get + * bit to be cleared. Schedule a big hammer to get * out of the RISC PAUSED state. */ WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); @@ -88,9 +100,9 @@ qla2100_intr_handler(int irq, void *dev_id) qla2x00_async_event(vha, rsp, mb); } else { /*EMPTY*/ - DEBUG2(printk("scsi(%ld): Unrecognized " - "interrupt type (%d).\n", - vha->host_no, mb[0])); + ql_dbg(ql_dbg_async, vha, 0x5025, + "Unrecognized interrupt type (%d).\n", + mb[0]); } /* Release mailbox registers. */ WRT_REG_WORD(®->semaphore, 0); @@ -102,17 +114,28 @@ qla2100_intr_handler(int irq, void *dev_id) RD_REG_WORD(®->hccr); } } - spin_unlock(&ha->hardware_lock); - - if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && - (status & MBX_INTERRUPT) && ha->flags.mbox_int) { - set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); - complete(&ha->mbx_intr_comp); - } + qla2x00_handle_mbx_completion(ha, status); + spin_unlock_irqrestore(&ha->hardware_lock, flags); return (IRQ_HANDLED); } +bool +qla2x00_check_reg_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) +{ + /* Check for PCI disconnection */ + if (reg == 0xffffffff) { + /* + * Schedule this on the default system workqueue so that all the + * adapter workqueues and the DPC thread can be shutdown + * cleanly. + */ + schedule_work(&vha->hw->board_disable); + return true; + } else + return false; +} + /** * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. * @irq: @@ -134,11 +157,12 @@ qla2300_intr_handler(int irq, void *dev_id) uint16_t mb[4]; struct rsp_que *rsp; struct qla_hw_data *ha; + unsigned long flags; rsp = (struct rsp_que *) dev_id; if (!rsp) { - printk(KERN_INFO - "%s(): NULL response queue pointer\n", __func__); + ql_log(ql_log_info, NULL, 0x5058, + "%s: NULL response queue pointer.\n", __func__); return (IRQ_NONE); } @@ -146,26 +170,31 @@ qla2300_intr_handler(int irq, void *dev_id) reg = &ha->iobase->isp; status = 0; - spin_lock(&ha->hardware_lock); - vha = qla2x00_get_rsp_host(rsp); + spin_lock_irqsave(&ha->hardware_lock, flags); + vha = pci_get_drvdata(ha->pdev); for (iter = 50; iter--; ) { stat = RD_REG_DWORD(®->u.isp2300.host_status); + if (qla2x00_check_reg_for_disconnect(vha, stat)) + break; if (stat & HSR_RISC_PAUSED) { - if (pci_channel_offline(ha->pdev)) + if (unlikely(pci_channel_offline(ha->pdev))) break; hccr = RD_REG_WORD(®->hccr); + if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) - qla_printk(KERN_INFO, ha, "Parity error -- " - "HCCR=%x, Dumping firmware!\n", hccr); + ql_log(ql_log_warn, vha, 0x5026, + "Parity error -- HCCR=%x, Dumping " + "firmware.\n", hccr); else - qla_printk(KERN_INFO, ha, "RISC paused -- " - "HCCR=%x, Dumping firmware!\n", hccr); + ql_log(ql_log_warn, vha, 0x5027, + "RISC paused -- HCCR=%x, Dumping " + "firmware.\n", hccr); /* * Issue a "HARD" reset in order for the RISC * interrupt bit to be cleared. Schedule a big - * hammmer to get out of the RISC PAUSED state. + * hammer to get out of the RISC PAUSED state. */ WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); RD_REG_WORD(®->hccr); @@ -209,21 +238,15 @@ qla2300_intr_handler(int irq, void *dev_id) qla2x00_async_event(vha, rsp, mb); break; default: - DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " - "(%d).\n", - vha->host_no, stat & 0xff)); + ql_dbg(ql_dbg_async, vha, 0x5028, + "Unrecognized interrupt type (%d).\n", stat & 0xff); break; } WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); RD_REG_WORD_RELAXED(®->hccr); } - spin_unlock(&ha->hardware_lock); - - if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && - (status & MBX_INTERRUPT) && ha->flags.mbox_int) { - set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); - complete(&ha->mbx_intr_comp); - } + qla2x00_handle_mbx_completion(ha, status); + spin_unlock_irqrestore(&ha->hardware_lock, flags); return (IRQ_HANDLED); } @@ -237,32 +260,34 @@ static void qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) { uint16_t cnt; + uint32_t mboxes; uint16_t __iomem *wptr; struct qla_hw_data *ha = vha->hw; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; + /* Read all mbox registers? */ + mboxes = (1 << ha->mbx_count) - 1; + if (!ha->mcp) + ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); + else + mboxes = ha->mcp->in_mb; + /* Load return mailbox registers. */ ha->flags.mbox_int = 1; ha->mailbox_out[0] = mb0; + mboxes >>= 1; wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); for (cnt = 1; cnt < ha->mbx_count; cnt++) { if (IS_QLA2200(ha) && cnt == 8) wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); - if (cnt == 4 || cnt == 5) + if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); - else + else if (mboxes & BIT_0) ha->mailbox_out[cnt] = RD_REG_WORD(wptr); wptr++; - } - - if (ha->mcp) { - DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", - __func__, vha->host_no, ha->mcp->mb[0])); - } else { - DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", - __func__, vha->host_no)); + mboxes >>= 1; } } @@ -273,31 +298,264 @@ qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) { "Complete", "Request Notification", "Time Extension" }; int rval; struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; + struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; uint16_t __iomem *wptr; uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; /* Seed data -- mailbox1 -> mailbox7. */ - wptr = (uint16_t __iomem *)®24->mailbox1; + if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) + wptr = (uint16_t __iomem *)®24->mailbox1; + else if (IS_QLA8044(vha->hw)) + wptr = (uint16_t __iomem *)®82->mailbox_out[1]; + else + return; + for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) mb[cnt] = RD_REG_WORD(wptr); - DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- " - "%04x %04x %04x %04x %04x %04x %04x.\n", vha->host_no, - event[aen & 0xff], - mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6])); + ql_dbg(ql_dbg_async, vha, 0x5021, + "Inter-Driver Communication %s -- " + "%04x %04x %04x %04x %04x %04x %04x.\n", + event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], + mb[4], mb[5], mb[6]); + switch (aen) { + /* Handle IDC Error completion case. */ + case MBA_IDC_COMPLETE: + if (mb[1] >> 15) { + vha->hw->flags.idc_compl_status = 1; + if (vha->hw->notify_dcbx_comp && !vha->vp_idx) + complete(&vha->hw->dcbx_comp); + } + break; - /* Acknowledgement needed? [Notify && non-zero timeout]. */ - timeout = (descr >> 8) & 0xf; - if (aen != MBA_IDC_NOTIFY || !timeout) - return; + case MBA_IDC_NOTIFY: + /* Acknowledgement needed? [Notify && non-zero timeout]. */ + timeout = (descr >> 8) & 0xf; + ql_dbg(ql_dbg_async, vha, 0x5022, + "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", + vha->host_no, event[aen & 0xff], timeout); - DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- " - "ACK timeout=%d.\n", vha->host_no, event[aen & 0xff], timeout)); + if (!timeout) + return; + rval = qla2x00_post_idc_ack_work(vha, mb); + if (rval != QLA_SUCCESS) + ql_log(ql_log_warn, vha, 0x5023, + "IDC failed to post ACK.\n"); + break; + case MBA_IDC_TIME_EXT: + vha->hw->idc_extend_tmo = descr; + ql_dbg(ql_dbg_async, vha, 0x5087, + "%lu Inter-Driver Communication %s -- " + "Extend timeout by=%d.\n", + vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); + break; + } +} - rval = qla2x00_post_idc_ack_work(vha, mb); - if (rval != QLA_SUCCESS) - qla_printk(KERN_WARNING, vha->hw, - "IDC failed to post ACK.\n"); +#define LS_UNKNOWN 2 +const char * +qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) +{ + static const char *const link_speeds[] = { + "1", "2", "?", "4", "8", "16", "32", "10" + }; +#define QLA_LAST_SPEED 7 + + if (IS_QLA2100(ha) || IS_QLA2200(ha)) + return link_speeds[0]; + else if (speed == 0x13) + return link_speeds[QLA_LAST_SPEED]; + else if (speed < QLA_LAST_SPEED) + return link_speeds[speed]; + else + return link_speeds[LS_UNKNOWN]; +} + +static void +qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) +{ + struct qla_hw_data *ha = vha->hw; + + /* + * 8200 AEN Interpretation: + * mb[0] = AEN code + * mb[1] = AEN Reason code + * mb[2] = LSW of Peg-Halt Status-1 Register + * mb[6] = MSW of Peg-Halt Status-1 Register + * mb[3] = LSW of Peg-Halt Status-2 register + * mb[7] = MSW of Peg-Halt Status-2 register + * mb[4] = IDC Device-State Register value + * mb[5] = IDC Driver-Presence Register value + */ + ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " + "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", + mb[0], mb[1], mb[2], mb[6]); + ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " + "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " + "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); + + if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | + IDC_HEARTBEAT_FAILURE)) { + ha->flags.nic_core_hung = 1; + ql_log(ql_log_warn, vha, 0x5060, + "83XX: F/W Error Reported: Check if reset required.\n"); + + if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { + uint32_t protocol_engine_id, fw_err_code, err_level; + + /* + * IDC_PEG_HALT_STATUS_CHANGE interpretation: + * - PEG-Halt Status-1 Register: + * (LSW = mb[2], MSW = mb[6]) + * Bits 0-7 = protocol-engine ID + * Bits 8-28 = f/w error code + * Bits 29-31 = Error-level + * Error-level 0x1 = Non-Fatal error + * Error-level 0x2 = Recoverable Fatal error + * Error-level 0x4 = UnRecoverable Fatal error + * - PEG-Halt Status-2 Register: + * (LSW = mb[3], MSW = mb[7]) + */ + protocol_engine_id = (mb[2] & 0xff); + fw_err_code = (((mb[2] & 0xff00) >> 8) | + ((mb[6] & 0x1fff) << 8)); + err_level = ((mb[6] & 0xe000) >> 13); + ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " + "Register: protocol_engine_id=0x%x " + "fw_err_code=0x%x err_level=0x%x.\n", + protocol_engine_id, fw_err_code, err_level); + ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " + "Register: 0x%x%x.\n", mb[7], mb[3]); + if (err_level == ERR_LEVEL_NON_FATAL) { + ql_log(ql_log_warn, vha, 0x5063, + "Not a fatal error, f/w has recovered " + "iteself.\n"); + } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { + ql_log(ql_log_fatal, vha, 0x5064, + "Recoverable Fatal error: Chip reset " + "required.\n"); + qla83xx_schedule_work(vha, + QLA83XX_NIC_CORE_RESET); + } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { + ql_log(ql_log_fatal, vha, 0x5065, + "Unrecoverable Fatal error: Set FAILED " + "state, reboot required.\n"); + qla83xx_schedule_work(vha, + QLA83XX_NIC_CORE_UNRECOVERABLE); + } + } + + if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { + uint16_t peg_fw_state, nw_interface_link_up; + uint16_t nw_interface_signal_detect, sfp_status; + uint16_t htbt_counter, htbt_monitor_enable; + uint16_t sfp_additonal_info, sfp_multirate; + uint16_t sfp_tx_fault, link_speed, dcbx_status; + + /* + * IDC_NIC_FW_REPORTED_FAILURE interpretation: + * - PEG-to-FC Status Register: + * (LSW = mb[2], MSW = mb[6]) + * Bits 0-7 = Peg-Firmware state + * Bit 8 = N/W Interface Link-up + * Bit 9 = N/W Interface signal detected + * Bits 10-11 = SFP Status + * SFP Status 0x0 = SFP+ transceiver not expected + * SFP Status 0x1 = SFP+ transceiver not present + * SFP Status 0x2 = SFP+ transceiver invalid + * SFP Status 0x3 = SFP+ transceiver present and + * valid + * Bits 12-14 = Heartbeat Counter + * Bit 15 = Heartbeat Monitor Enable + * Bits 16-17 = SFP Additional Info + * SFP info 0x0 = Unregocnized transceiver for + * Ethernet + * SFP info 0x1 = SFP+ brand validation failed + * SFP info 0x2 = SFP+ speed validation failed + * SFP info 0x3 = SFP+ access error + * Bit 18 = SFP Multirate + * Bit 19 = SFP Tx Fault + * Bits 20-22 = Link Speed + * Bits 23-27 = Reserved + * Bits 28-30 = DCBX Status + * DCBX Status 0x0 = DCBX Disabled + * DCBX Status 0x1 = DCBX Enabled + * DCBX Status 0x2 = DCBX Exchange error + * Bit 31 = Reserved + */ + peg_fw_state = (mb[2] & 0x00ff); + nw_interface_link_up = ((mb[2] & 0x0100) >> 8); + nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); + sfp_status = ((mb[2] & 0x0c00) >> 10); + htbt_counter = ((mb[2] & 0x7000) >> 12); + htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); + sfp_additonal_info = (mb[6] & 0x0003); + sfp_multirate = ((mb[6] & 0x0004) >> 2); + sfp_tx_fault = ((mb[6] & 0x0008) >> 3); + link_speed = ((mb[6] & 0x0070) >> 4); + dcbx_status = ((mb[6] & 0x7000) >> 12); + + ql_log(ql_log_warn, vha, 0x5066, + "Peg-to-Fc Status Register:\n" + "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " + "nw_interface_signal_detect=0x%x" + "\nsfp_statis=0x%x.\n ", peg_fw_state, + nw_interface_link_up, nw_interface_signal_detect, + sfp_status); + ql_log(ql_log_warn, vha, 0x5067, + "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " + "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ", + htbt_counter, htbt_monitor_enable, + sfp_additonal_info, sfp_multirate); + ql_log(ql_log_warn, vha, 0x5068, + "sfp_tx_fault=0x%x, link_state=0x%x, " + "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, + dcbx_status); + + qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); + } + + if (mb[1] & IDC_HEARTBEAT_FAILURE) { + ql_log(ql_log_warn, vha, 0x5069, + "Heartbeat Failure encountered, chip reset " + "required.\n"); + + qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); + } + } + + if (mb[1] & IDC_DEVICE_STATE_CHANGE) { + ql_log(ql_log_info, vha, 0x506a, + "IDC Device-State changed = 0x%x.\n", mb[4]); + if (ha->flags.nic_core_reset_owner) + return; + qla83xx_schedule_work(vha, MBA_IDC_AEN); + } +} + +int +qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) +{ + struct qla_hw_data *ha = vha->hw; + scsi_qla_host_t *vp; + uint32_t vp_did; + unsigned long flags; + int ret = 0; + + if (!ha->num_vhosts) + return ret; + + spin_lock_irqsave(&ha->vport_slock, flags); + list_for_each_entry(vp, &ha->vp_list, list) { + vp_did = vp->d_id.b24; + if (vp_did == rscn_entry) { + ret = 1; + break; + } + } + spin_unlock_irqrestore(&ha->vport_slock, flags); + + return ret; } /** @@ -308,21 +566,19 @@ qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) void qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) { -#define LS_UNKNOWN 2 - static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" }; - char *link_speed; uint16_t handle_cnt; - uint16_t cnt; + uint16_t cnt, mbx; uint32_t handles[5]; struct qla_hw_data *ha = vha->hw; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; + struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; + struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; uint32_t rscn_entry, host_pid; - uint8_t rscn_queue_index; unsigned long flags; /* Setup to process RIO completion. */ handle_cnt = 0; - if (IS_QLA81XX(ha)) + if (IS_CNA_CAPABLE(ha)) goto skip_rio; switch (mb[0]) { case MBA_SCSI_COMPLETION: @@ -387,61 +643,68 @@ skip_rio: break; case MBA_RESET: /* Reset */ - DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", - vha->host_no)); + ql_dbg(ql_dbg_async, vha, 0x5002, + "Asynchronous RESET.\n"); set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); break; case MBA_SYSTEM_ERR: /* System Error */ - qla_printk(KERN_INFO, ha, - "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n", - mb[1], mb[2], mb[3]); + mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ? + RD_REG_WORD(®24->mailbox7) : 0; + ql_log(ql_log_warn, vha, 0x5003, + "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " + "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); ha->isp_ops->fw_dump(vha, 1); if (IS_FWI2_CAPABLE(ha)) { if (mb[1] == 0 && mb[2] == 0) { - qla_printk(KERN_ERR, ha, + ql_log(ql_log_fatal, vha, 0x5004, "Unrecoverable Hardware Error: adapter " "marked OFFLINE!\n"); vha->flags.online = 0; - } else + vha->device_flags |= DFLG_DEV_FAILED; + } else { + /* Check to see if MPI timeout occurred */ + if ((mbx & MBX_3) && (ha->port_no == 0)) + set_bit(MPI_RESET_NEEDED, + &vha->dpc_flags); + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + } } else if (mb[1] == 0) { - qla_printk(KERN_INFO, ha, + ql_log(ql_log_fatal, vha, 0x5005, "Unrecoverable Hardware Error: adapter marked " "OFFLINE!\n"); vha->flags.online = 0; + vha->device_flags |= DFLG_DEV_FAILED; } else set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ - DEBUG2(printk("scsi(%ld): ISP Request Transfer Error.\n", - vha->host_no)); - qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n"); + ql_log(ql_log_warn, vha, 0x5006, + "ISP Request Transfer Error (%x).\n", mb[1]); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ - DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n", - vha->host_no)); - qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n"); + ql_log(ql_log_warn, vha, 0x5007, + "ISP Response Transfer Error.\n"); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ - DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n", - vha->host_no)); - break; + ql_dbg(ql_dbg_async, vha, 0x5008, + "Asynchronous WAKEUP_THRES.\n"); + break; case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ - DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha->host_no, - mb[1])); - qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]); + ql_dbg(ql_dbg_async, vha, 0x5009, + "LIP occurred (%x).\n", mb[1]); if (atomic_read(&vha->loop_state) != LOOP_DOWN) { atomic_set(&vha->loop_state, LOOP_DOWN); @@ -462,32 +725,27 @@ skip_rio: break; case MBA_LOOP_UP: /* Loop Up Event */ - if (IS_QLA2100(ha) || IS_QLA2200(ha)) { - link_speed = link_speeds[0]; + if (IS_QLA2100(ha) || IS_QLA2200(ha)) ha->link_data_rate = PORT_SPEED_1GB; - } else { - link_speed = link_speeds[LS_UNKNOWN]; - if (mb[1] < 5) - link_speed = link_speeds[mb[1]]; - else if (mb[1] == 0x13) - link_speed = link_speeds[5]; + else ha->link_data_rate = mb[1]; - } - DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n", - vha->host_no, link_speed)); - qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n", - link_speed); + ql_dbg(ql_dbg_async, vha, 0x500a, + "LOOP UP detected (%s Gbps).\n", + qla2x00_get_link_speed_str(ha, ha->link_data_rate)); vha->flags.management_server_logged_in = 0; qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); break; case MBA_LOOP_DOWN: /* Loop Down Event */ - DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN " - "(%x %x %x).\n", vha->host_no, mb[1], mb[2], mb[3])); - qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x %x %x).\n", - mb[1], mb[2], mb[3]); + mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) + ? RD_REG_WORD(®24->mailbox4) : 0; + mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) + : mbx; + ql_dbg(ql_dbg_async, vha, 0x500b, + "LOOP DOWN detected (%x %x %x %x).\n", + mb[1], mb[2], mb[3], mbx); if (atomic_read(&vha->loop_state) != LOOP_DOWN) { atomic_set(&vha->loop_state, LOOP_DOWN); @@ -507,9 +765,7 @@ skip_rio: break; case MBA_LIP_RESET: /* LIP reset occurred */ - DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", - vha->host_no, mb[1])); - qla_printk(KERN_INFO, ha, + ql_dbg(ql_dbg_async, vha, 0x500c, "LIP reset occurred (%x).\n", mb[1]); if (atomic_read(&vha->loop_state) != LOOP_DOWN) { @@ -535,12 +791,16 @@ skip_rio: if (IS_QLA2100(ha)) break; - if (IS_QLA81XX(ha)) - DEBUG2(printk("scsi(%ld): DCBX Completed -- %04x %04x " - "%04x\n", vha->host_no, mb[1], mb[2], mb[3])); - else - DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE " - "received.\n", vha->host_no)); + if (IS_CNA_CAPABLE(ha)) { + ql_dbg(ql_dbg_async, vha, 0x500d, + "DCBX Completed -- %04x %04x %04x.\n", + mb[1], mb[2], mb[3]); + if (ha->notify_dcbx_comp && !vha->vp_idx) + complete(&ha->dcbx_comp); + + } else + ql_dbg(ql_dbg_async, vha, 0x500e, + "Asynchronous P2P MODE received.\n"); /* * Until there's a transition from loop down to loop up, treat @@ -573,10 +833,7 @@ skip_rio: if (IS_QLA2100(ha)) break; - DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " - "received.\n", - vha->host_no)); - qla_printk(KERN_INFO, ha, + ql_dbg(ql_dbg_async, vha, 0x500f, "Configuration change detected: value=%x.\n", mb[1]); if (atomic_read(&vha->loop_state) != LOOP_DOWN) { @@ -597,29 +854,75 @@ skip_rio: break; case MBA_PORT_UPDATE: /* Port database update */ - /* Only handle SCNs for our Vport index. */ - if (vha->vp_idx && vha->vp_idx != (mb[3] & 0xff)) + /* + * Handle only global and vn-port update events + * + * Relevant inputs: + * mb[1] = N_Port handle of changed port + * OR 0xffff for global event + * mb[2] = New login state + * 7 = Port logged out + * mb[3] = LSB is vp_idx, 0xff = all vps + * + * Skip processing if: + * Event is global, vp_idx is NOT all vps, + * vp_idx does not match + * Event is not global, vp_idx does not match + */ + if (IS_QLA2XXX_MIDTYPE(ha) && + ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || + (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) break; + /* Global event -- port logout or port unavailable. */ + if (mb[1] == 0xffff && mb[2] == 0x7) { + ql_dbg(ql_dbg_async, vha, 0x5010, + "Port unavailable %04x %04x %04x.\n", + mb[1], mb[2], mb[3]); + ql_log(ql_log_warn, vha, 0x505e, + "Link is offline.\n"); + + if (atomic_read(&vha->loop_state) != LOOP_DOWN) { + atomic_set(&vha->loop_state, LOOP_DOWN); + atomic_set(&vha->loop_down_timer, + LOOP_DOWN_TIME); + vha->device_flags |= DFLG_NO_CABLE; + qla2x00_mark_all_devices_lost(vha, 1); + } + + if (vha->vp_idx) { + atomic_set(&vha->vp_state, VP_FAILED); + fc_vport_set_state(vha->fc_vport, + FC_VPORT_FAILED); + qla2x00_mark_all_devices_lost(vha, 1); + } + + vha->flags.management_server_logged_in = 0; + ha->link_data_rate = PORT_SPEED_UNKNOWN; + break; + } + /* * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET * event etc. earlier indicating loop is down) then process * it. Otherwise ignore it and Wait for RSCN to come in. */ atomic_set(&vha->loop_down_timer, 0); - if (atomic_read(&vha->loop_state) != LOOP_DOWN && - atomic_read(&vha->loop_state) != LOOP_DEAD) { - DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " - "ignored %04x/%04x/%04x.\n", vha->host_no, mb[1], - mb[2], mb[3])); + if (mb[1] != 0xffff || (mb[2] != 0x6 && mb[2] != 0x4)) { + ql_dbg(ql_dbg_async, vha, 0x5011, + "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", + mb[1], mb[2], mb[3]); + + qlt_async_event(mb[0], vha, mb); break; } - DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", - vha->host_no)); - DEBUG(printk(KERN_INFO - "scsi(%ld): Port database changed %04x %04x %04x.\n", - vha->host_no, mb[1], mb[2], mb[3])); + ql_dbg(ql_dbg_async, vha, 0x5012, + "Port database changed %04x %04x %04x.\n", + mb[1], mb[2], mb[3]); + ql_log(ql_log_warn, vha, 0x505f, + "Link is operational (%s Gbps).\n", + qla2x00_get_link_speed_str(ha, ha->link_data_rate)); /* * Mark all devices as missing so we will login again. @@ -628,10 +931,13 @@ skip_rio: qla2x00_mark_all_devices_lost(vha, 1); - vha->flags.rscn_queue_overflow = 1; + if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha)) + set_bit(SCR_PENDING, &vha->dpc_flags); set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); + + qlt_async_event(mb[0], vha, mb); break; case MBA_RSCN_UPDATE: /* State Change Registration */ @@ -639,38 +945,30 @@ skip_rio: if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) break; /* Only handle SCNs for our Vport index. */ - if (vha->vp_idx && vha->vp_idx != (mb[3] & 0xff)) + if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) break; - DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", - vha->host_no)); - DEBUG(printk(KERN_INFO - "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", - vha->host_no, mb[1], mb[2], mb[3])); + + ql_dbg(ql_dbg_async, vha, 0x5013, + "RSCN database changed -- %04x %04x %04x.\n", + mb[1], mb[2], mb[3]); rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) | vha->d_id.b.al_pa; if (rscn_entry == host_pid) { - DEBUG(printk(KERN_INFO - "scsi(%ld): Ignoring RSCN update to local host " - "port ID (%06x)\n", - vha->host_no, host_pid)); + ql_dbg(ql_dbg_async, vha, 0x5014, + "Ignoring RSCN update to local host " + "port ID (%06x).\n", host_pid); break; } /* Ignore reserved bits from RSCN-payload. */ rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; - rscn_queue_index = vha->rscn_in_ptr + 1; - if (rscn_queue_index == MAX_RSCN_COUNT) - rscn_queue_index = 0; - if (rscn_queue_index != vha->rscn_out_ptr) { - vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; - vha->rscn_in_ptr = rscn_queue_index; - } else { - vha->flags.rscn_queue_overflow = 1; - } - atomic_set(&vha->loop_state, LOOP_UPDATE); + /* Skip RSCNs for virtual ports on the same physical port */ + if (qla2x00_is_a_vp_did(vha, rscn_entry)) + break; + atomic_set(&vha->loop_down_timer, 0); vha->flags.management_server_logged_in = 0; @@ -681,193 +979,572 @@ skip_rio: /* case MBA_RIO_RESPONSE: */ case MBA_ZIO_RESPONSE: - DEBUG3(printk("scsi(%ld): [R|Z]IO update completion.\n", - vha->host_no)); + ql_dbg(ql_dbg_async, vha, 0x5015, + "[R|Z]IO update completion.\n"); if (IS_FWI2_CAPABLE(ha)) - qla24xx_process_response_queue(rsp); + qla24xx_process_response_queue(vha, rsp); else qla2x00_process_response_queue(rsp); break; case MBA_DISCARD_RND_FRAME: - DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " - "%04x.\n", vha->host_no, mb[1], mb[2], mb[3])); + ql_dbg(ql_dbg_async, vha, 0x5016, + "Discard RND Frame -- %04x %04x %04x.\n", + mb[1], mb[2], mb[3]); break; case MBA_TRACE_NOTIFICATION: - DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n", - vha->host_no, mb[1], mb[2])); + ql_dbg(ql_dbg_async, vha, 0x5017, + "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); break; case MBA_ISP84XX_ALERT: - DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- " - "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); + ql_dbg(ql_dbg_async, vha, 0x5018, + "ISP84XX Alert Notification -- %04x %04x %04x.\n", + mb[1], mb[2], mb[3]); spin_lock_irqsave(&ha->cs84xx->access_lock, flags); switch (mb[1]) { case A84_PANIC_RECOVERY: - qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery " - "%04x %04x\n", mb[2], mb[3]); + ql_log(ql_log_info, vha, 0x5019, + "Alert 84XX: panic recovery %04x %04x.\n", + mb[2], mb[3]); break; case A84_OP_LOGIN_COMPLETE: ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; - DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" - "firmware version %x\n", ha->cs84xx->op_fw_version)); + ql_log(ql_log_info, vha, 0x501a, + "Alert 84XX: firmware version %x.\n", + ha->cs84xx->op_fw_version); break; case A84_DIAG_LOGIN_COMPLETE: ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; - DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:" - "diagnostic firmware version %x\n", - ha->cs84xx->diag_fw_version)); + ql_log(ql_log_info, vha, 0x501b, + "Alert 84XX: diagnostic firmware version %x.\n", + ha->cs84xx->diag_fw_version); break; case A84_GOLD_LOGIN_COMPLETE: ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; ha->cs84xx->fw_update = 1; - DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold " - "firmware version %x\n", - ha->cs84xx->gold_fw_version)); + ql_log(ql_log_info, vha, 0x501c, + "Alert 84XX: gold firmware version %x.\n", + ha->cs84xx->gold_fw_version); break; default: - qla_printk(KERN_ERR, ha, - "Alert 84xx: Invalid Alert %04x %04x %04x\n", + ql_log(ql_log_warn, vha, 0x501d, + "Alert 84xx: Invalid Alert %04x %04x %04x.\n", mb[1], mb[2], mb[3]); } spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); break; case MBA_DCBX_START: - DEBUG2(printk("scsi(%ld): DCBX Started -- %04x %04x %04x\n", - vha->host_no, mb[1], mb[2], mb[3])); + ql_dbg(ql_dbg_async, vha, 0x501e, + "DCBX Started -- %04x %04x %04x.\n", + mb[1], mb[2], mb[3]); break; case MBA_DCBX_PARAM_UPDATE: - DEBUG2(printk("scsi(%ld): DCBX Parameters Updated -- " - "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); + ql_dbg(ql_dbg_async, vha, 0x501f, + "DCBX Parameters Updated -- %04x %04x %04x.\n", + mb[1], mb[2], mb[3]); break; case MBA_FCF_CONF_ERR: - DEBUG2(printk("scsi(%ld): FCF Configuration Error -- " - "%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3])); + ql_dbg(ql_dbg_async, vha, 0x5020, + "FCF Configuration Error -- %04x %04x %04x.\n", + mb[1], mb[2], mb[3]); break; - case MBA_IDC_COMPLETE: case MBA_IDC_NOTIFY: + if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { + mb[4] = RD_REG_WORD(®24->mailbox4); + if (((mb[2] & 0x7fff) == MBC_PORT_RESET || + (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && + (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { + set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); + /* + * Extend loop down timer since port is active. + */ + if (atomic_read(&vha->loop_state) == LOOP_DOWN) + atomic_set(&vha->loop_down_timer, + LOOP_DOWN_TIME); + qla2xxx_wake_dpc(vha); + } + } + case MBA_IDC_COMPLETE: + if (ha->notify_lb_portup_comp && !vha->vp_idx) + complete(&ha->lb_portup_comp); + /* Fallthru */ case MBA_IDC_TIME_EXT: - qla81xx_idc_event(vha, mb[0], mb[1]); + if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || + IS_QLA8044(ha)) + qla81xx_idc_event(vha, mb[0], mb[1]); break; + + case MBA_IDC_AEN: + mb[4] = RD_REG_WORD(®24->mailbox4); + mb[5] = RD_REG_WORD(®24->mailbox5); + mb[6] = RD_REG_WORD(®24->mailbox6); + mb[7] = RD_REG_WORD(®24->mailbox7); + qla83xx_handle_8200_aen(vha, mb); + break; + + default: + ql_dbg(ql_dbg_async, vha, 0x5057, + "Unknown AEN:%04x %04x %04x %04x\n", + mb[0], mb[1], mb[2], mb[3]); } + qlt_async_event(mb[0], vha, mb); + if (!vha->vp_idx && ha->num_vhosts) qla2x00_alert_all_vps(rsp, mb); } -static void -qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, void *data) +/** + * qla2x00_process_completed_request() - Process a Fast Post response. + * @ha: SCSI driver HA context + * @index: SRB index + */ +void +qla2x00_process_completed_request(struct scsi_qla_host *vha, + struct req_que *req, uint32_t index) { - fc_port_t *fcport = data; - struct scsi_qla_host *vha = fcport->vha; + srb_t *sp; struct qla_hw_data *ha = vha->hw; - struct req_que *req = NULL; - req = ha->req_q_map[vha->req_ques[0]]; - if (!req) - return; - if (req->max_q_depth <= sdev->queue_depth) + /* Validate handle. */ + if (index >= req->num_outstanding_cmds) { + ql_log(ql_log_warn, vha, 0x3014, + "Invalid SCSI command index (%x).\n", index); + + if (IS_P3P_TYPE(ha)) + set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); + else + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); return; + } - if (sdev->ordered_tags) - scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, - sdev->queue_depth + 1); - else - scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, - sdev->queue_depth + 1); + sp = req->outstanding_cmds[index]; + if (sp) { + /* Free outstanding command slot. */ + req->outstanding_cmds[index] = NULL; + + /* Save ISP completion status */ + sp->done(ha, sp, DID_OK << 16); + } else { + ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); + + if (IS_P3P_TYPE(ha)) + set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); + else + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + } +} + +srb_t * +qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, + struct req_que *req, void *iocb) +{ + struct qla_hw_data *ha = vha->hw; + sts_entry_t *pkt = iocb; + srb_t *sp = NULL; + uint16_t index; + + index = LSW(pkt->handle); + if (index >= req->num_outstanding_cmds) { + ql_log(ql_log_warn, vha, 0x5031, + "Invalid command index (%x).\n", index); + if (IS_P3P_TYPE(ha)) + set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); + else + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + goto done; + } + sp = req->outstanding_cmds[index]; + if (!sp) { + ql_log(ql_log_warn, vha, 0x5032, + "Invalid completion handle (%x) -- timed-out.\n", index); + return sp; + } + if (sp->handle != index) { + ql_log(ql_log_warn, vha, 0x5033, + "SRB handle (%x) mismatch %x.\n", sp->handle, index); + return NULL; + } - fcport->last_ramp_up = jiffies; + req->outstanding_cmds[index] = NULL; - DEBUG2(qla_printk(KERN_INFO, ha, - "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n", - fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, - sdev->queue_depth)); +done: + return sp; } static void -qla2x00_adjust_sdev_qdepth_down(struct scsi_device *sdev, void *data) +qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, + struct mbx_entry *mbx) { - fc_port_t *fcport = data; + const char func[] = "MBX-IOCB"; + const char *type; + fc_port_t *fcport; + srb_t *sp; + struct srb_iocb *lio; + uint16_t *data; + uint16_t status; - if (!scsi_track_queue_full(sdev, sdev->queue_depth - 1)) + sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); + if (!sp) return; - DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw, - "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n", - fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, - sdev->queue_depth)); + lio = &sp->u.iocb_cmd; + type = sp->name; + fcport = sp->fcport; + data = lio->u.logio.data; + + data[0] = MBS_COMMAND_ERROR; + data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? + QLA_LOGIO_LOGIN_RETRIED : 0; + if (mbx->entry_status) { + ql_dbg(ql_dbg_async, vha, 0x5043, + "Async-%s error entry - hdl=%x portid=%02x%02x%02x " + "entry-status=%x status=%x state-flag=%x " + "status-flags=%x.\n", type, sp->handle, + fcport->d_id.b.domain, fcport->d_id.b.area, + fcport->d_id.b.al_pa, mbx->entry_status, + le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), + le16_to_cpu(mbx->status_flags)); + + ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, + (uint8_t *)mbx, sizeof(*mbx)); + + goto logio_done; + } + + status = le16_to_cpu(mbx->status); + if (status == 0x30 && sp->type == SRB_LOGIN_CMD && + le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) + status = 0; + if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { + ql_dbg(ql_dbg_async, vha, 0x5045, + "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", + type, sp->handle, fcport->d_id.b.domain, + fcport->d_id.b.area, fcport->d_id.b.al_pa, + le16_to_cpu(mbx->mb1)); + + data[0] = MBS_COMMAND_COMPLETE; + if (sp->type == SRB_LOGIN_CMD) { + fcport->port_type = FCT_TARGET; + if (le16_to_cpu(mbx->mb1) & BIT_0) + fcport->port_type = FCT_INITIATOR; + else if (le16_to_cpu(mbx->mb1) & BIT_1) + fcport->flags |= FCF_FCP2_DEVICE; + } + goto logio_done; + } + + data[0] = le16_to_cpu(mbx->mb0); + switch (data[0]) { + case MBS_PORT_ID_USED: + data[1] = le16_to_cpu(mbx->mb1); + break; + case MBS_LOOP_ID_USED: + break; + default: + data[0] = MBS_COMMAND_ERROR; + break; + } + + ql_log(ql_log_warn, vha, 0x5046, + "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " + "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, + fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, + status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), + le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), + le16_to_cpu(mbx->mb7)); + +logio_done: + sp->done(vha, sp, 0); } -static inline void -qla2x00_ramp_up_queue_depth(scsi_qla_host_t *vha, struct req_que *req, - srb_t *sp) +static void +qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, + sts_entry_t *pkt, int iocb_type) { - fc_port_t *fcport; - struct scsi_device *sdev; + const char func[] = "CT_IOCB"; + const char *type; + srb_t *sp; + struct fc_bsg_job *bsg_job; + uint16_t comp_status; + int res; - sdev = sp->cmd->device; - if (sdev->queue_depth >= req->max_q_depth) + sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); + if (!sp) return; - fcport = sp->fcport; - if (time_before(jiffies, - fcport->last_ramp_up + ql2xqfullrampup * HZ)) + bsg_job = sp->u.bsg_job; + + type = "ct pass-through"; + + comp_status = le16_to_cpu(pkt->comp_status); + + /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT + * fc payload to the caller + */ + bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; + bsg_job->reply_len = sizeof(struct fc_bsg_reply); + + if (comp_status != CS_COMPLETE) { + if (comp_status == CS_DATA_UNDERRUN) { + res = DID_OK << 16; + bsg_job->reply->reply_payload_rcv_len = + le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); + + ql_log(ql_log_warn, vha, 0x5048, + "CT pass-through-%s error " + "comp_status-status=0x%x total_byte = 0x%x.\n", + type, comp_status, + bsg_job->reply->reply_payload_rcv_len); + } else { + ql_log(ql_log_warn, vha, 0x5049, + "CT pass-through-%s error " + "comp_status-status=0x%x.\n", type, comp_status); + res = DID_ERROR << 16; + bsg_job->reply->reply_payload_rcv_len = 0; + } + ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, + (uint8_t *)pkt, sizeof(*pkt)); + } else { + res = DID_OK << 16; + bsg_job->reply->reply_payload_rcv_len = + bsg_job->reply_payload.payload_len; + bsg_job->reply_len = 0; + } + + sp->done(vha, sp, res); +} + +static void +qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, + struct sts_entry_24xx *pkt, int iocb_type) +{ + const char func[] = "ELS_CT_IOCB"; + const char *type; + srb_t *sp; + struct fc_bsg_job *bsg_job; + uint16_t comp_status; + uint32_t fw_status[3]; + uint8_t* fw_sts_ptr; + int res; + + sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); + if (!sp) return; - if (time_before(jiffies, - fcport->last_queue_full + ql2xqfullrampup * HZ)) + bsg_job = sp->u.bsg_job; + + type = NULL; + switch (sp->type) { + case SRB_ELS_CMD_RPT: + case SRB_ELS_CMD_HST: + type = "els"; + break; + case SRB_CT_CMD: + type = "ct pass-through"; + break; + default: + ql_dbg(ql_dbg_user, vha, 0x503e, + "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); return; + } + + comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); + fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); + fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); - starget_for_each_device(sdev->sdev_target, fcport, - qla2x00_adjust_sdev_qdepth_up); + /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT + * fc payload to the caller + */ + bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; + bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); + + if (comp_status != CS_COMPLETE) { + if (comp_status == CS_DATA_UNDERRUN) { + res = DID_OK << 16; + bsg_job->reply->reply_payload_rcv_len = + le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); + + ql_dbg(ql_dbg_user, vha, 0x503f, + "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " + "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", + type, sp->handle, comp_status, fw_status[1], fw_status[2], + le16_to_cpu(((struct els_sts_entry_24xx *) + pkt)->total_byte_count)); + fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); + memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); + } + else { + ql_dbg(ql_dbg_user, vha, 0x5040, + "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " + "error subcode 1=0x%x error subcode 2=0x%x.\n", + type, sp->handle, comp_status, + le16_to_cpu(((struct els_sts_entry_24xx *) + pkt)->error_subcode_1), + le16_to_cpu(((struct els_sts_entry_24xx *) + pkt)->error_subcode_2)); + res = DID_ERROR << 16; + bsg_job->reply->reply_payload_rcv_len = 0; + fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); + memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); + } + ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, + (uint8_t *)pkt, sizeof(*pkt)); + } + else { + res = DID_OK << 16; + bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; + bsg_job->reply_len = 0; + } + + sp->done(vha, sp, res); } -/** - * qla2x00_process_completed_request() - Process a Fast Post response. - * @ha: SCSI driver HA context - * @index: SRB index - */ static void -qla2x00_process_completed_request(struct scsi_qla_host *vha, - struct req_que *req, uint32_t index) +qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, + struct logio_entry_24xx *logio) { + const char func[] = "LOGIO-IOCB"; + const char *type; + fc_port_t *fcport; srb_t *sp; - struct qla_hw_data *ha = vha->hw; - - /* Validate handle. */ - if (index >= MAX_OUTSTANDING_COMMANDS) { - DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n", - vha->host_no, index)); - qla_printk(KERN_WARNING, ha, - "Invalid SCSI completion handle %d.\n", index); + struct srb_iocb *lio; + uint16_t *data; + uint32_t iop[2]; - set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + sp = qla2x00_get_sp_from_handle(vha, func, req, logio); + if (!sp) return; + + lio = &sp->u.iocb_cmd; + type = sp->name; + fcport = sp->fcport; + data = lio->u.logio.data; + + data[0] = MBS_COMMAND_ERROR; + data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? + QLA_LOGIO_LOGIN_RETRIED : 0; + if (logio->entry_status) { + ql_log(ql_log_warn, fcport->vha, 0x5034, + "Async-%s error entry - hdl=%x" + "portid=%02x%02x%02x entry-status=%x.\n", + type, sp->handle, fcport->d_id.b.domain, + fcport->d_id.b.area, fcport->d_id.b.al_pa, + logio->entry_status); + ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, + (uint8_t *)logio, sizeof(*logio)); + + goto logio_done; } - sp = req->outstanding_cmds[index]; - if (sp) { - /* Free outstanding command slot. */ - req->outstanding_cmds[index] = NULL; + if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { + ql_dbg(ql_dbg_async, fcport->vha, 0x5036, + "Async-%s complete - hdl=%x portid=%02x%02x%02x " + "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain, + fcport->d_id.b.area, fcport->d_id.b.al_pa, + le32_to_cpu(logio->io_parameter[0])); + + data[0] = MBS_COMMAND_COMPLETE; + if (sp->type != SRB_LOGIN_CMD) + goto logio_done; + + iop[0] = le32_to_cpu(logio->io_parameter[0]); + if (iop[0] & BIT_4) { + fcport->port_type = FCT_TARGET; + if (iop[0] & BIT_8) + fcport->flags |= FCF_FCP2_DEVICE; + } else if (iop[0] & BIT_5) + fcport->port_type = FCT_INITIATOR; + + if (iop[0] & BIT_7) + fcport->flags |= FCF_CONF_COMP_SUPPORTED; + + if (logio->io_parameter[7] || logio->io_parameter[8]) + fcport->supported_classes |= FC_COS_CLASS2; + if (logio->io_parameter[9] || logio->io_parameter[10]) + fcport->supported_classes |= FC_COS_CLASS3; + + goto logio_done; + } - CMD_COMPL_STATUS(sp->cmd) = 0L; - CMD_SCSI_STATUS(sp->cmd) = 0L; + iop[0] = le32_to_cpu(logio->io_parameter[0]); + iop[1] = le32_to_cpu(logio->io_parameter[1]); + switch (iop[0]) { + case LSC_SCODE_PORTID_USED: + data[0] = MBS_PORT_ID_USED; + data[1] = LSW(iop[1]); + break; + case LSC_SCODE_NPORT_USED: + data[0] = MBS_LOOP_ID_USED; + break; + default: + data[0] = MBS_COMMAND_ERROR; + break; + } - /* Save ISP completion status */ - sp->cmd->result = DID_OK << 16; + ql_dbg(ql_dbg_async, fcport->vha, 0x5037, + "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x " + "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain, + fcport->d_id.b.area, fcport->d_id.b.al_pa, + le16_to_cpu(logio->comp_status), + le32_to_cpu(logio->io_parameter[0]), + le32_to_cpu(logio->io_parameter[1])); - qla2x00_ramp_up_queue_depth(vha, req, sp); - qla2x00_sp_compl(ha, sp); - } else { - DEBUG2(printk("scsi(%ld): Invalid ISP SCSI completion handle\n", - vha->host_no)); - qla_printk(KERN_WARNING, ha, - "Invalid ISP SCSI completion handle\n"); +logio_done: + sp->done(vha, sp, 0); +} - set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); +static void +qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) +{ + const char func[] = "TMF-IOCB"; + const char *type; + fc_port_t *fcport; + srb_t *sp; + struct srb_iocb *iocb; + struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; + + sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); + if (!sp) + return; + + iocb = &sp->u.iocb_cmd; + type = sp->name; + fcport = sp->fcport; + iocb->u.tmf.data = QLA_SUCCESS; + + if (sts->entry_status) { + ql_log(ql_log_warn, fcport->vha, 0x5038, + "Async-%s error - hdl=%x entry-status(%x).\n", + type, sp->handle, sts->entry_status); + iocb->u.tmf.data = QLA_FUNCTION_FAILED; + } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) { + ql_log(ql_log_warn, fcport->vha, 0x5039, + "Async-%s error - hdl=%x completion status(%x).\n", + type, sp->handle, sts->comp_status); + iocb->u.tmf.data = QLA_FUNCTION_FAILED; + } else if ((le16_to_cpu(sts->scsi_status) & + SS_RESPONSE_INFO_LEN_VALID)) { + if (le32_to_cpu(sts->rsp_data_len) < 4) { + ql_log(ql_log_warn, fcport->vha, 0x503b, + "Async-%s error - hdl=%x not enough response(%d).\n", + type, sp->handle, sts->rsp_data_len); + } else if (sts->data[3]) { + ql_log(ql_log_warn, fcport->vha, 0x503c, + "Async-%s error - hdl=%x response(%x).\n", + type, sp->handle, sts->data[3]); + iocb->u.tmf.data = QLA_FUNCTION_FAILED; + } } + + if (iocb->u.tmf.data != QLA_SUCCESS) + ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, + (uint8_t *)sts, sizeof(*sts)); + + sp->done(vha, sp, 0); } /** @@ -884,7 +1561,7 @@ qla2x00_process_response_queue(struct rsp_que *rsp) uint16_t handle_cnt; uint16_t cnt; - vha = qla2x00_get_rsp_host(rsp); + vha = pci_get_drvdata(ha->pdev); if (!vha->flags.online) return; @@ -901,9 +1578,6 @@ qla2x00_process_response_queue(struct rsp_que *rsp) } if (pkt->entry_status != 0) { - DEBUG3(printk(KERN_INFO - "scsi(%ld): Process error entry.\n", vha->host_no)); - qla2x00_error_entry(vha, rsp, pkt); ((response_t *)pkt)->signature = RESPONSE_PROCESSED; wmb(); @@ -929,14 +1603,21 @@ qla2x00_process_response_queue(struct rsp_que *rsp) } break; case STATUS_CONT_TYPE: - qla2x00_status_cont_entry(vha, (sts_cont_entry_t *)pkt); + qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); + break; + case MBX_IOCB_TYPE: + qla2x00_mbx_iocb_entry(vha, rsp->req, + (struct mbx_entry *)pkt); + break; + case CT_IOCB_TYPE: + qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); break; default: /* Type Not Supported. */ - DEBUG4(printk(KERN_WARNING - "scsi(%ld): Received unknown response pkt type %x " + ql_log(ql_log_warn, vha, 0x504a, + "Received unknown response pkt type %x " "entry status=%x.\n", - vha->host_no, pkt->entry_type, pkt->entry_status)); + pkt->entry_type, pkt->entry_status); break; } ((response_t *)pkt)->signature = RESPONSE_PROCESSED; @@ -948,33 +1629,322 @@ qla2x00_process_response_queue(struct rsp_que *rsp) } static inline void -qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len) +qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, + uint32_t sense_len, struct rsp_que *rsp, int res) { - struct scsi_cmnd *cp = sp->cmd; + struct scsi_qla_host *vha = sp->fcport->vha; + struct scsi_cmnd *cp = GET_CMD_SP(sp); + uint32_t track_sense_len; if (sense_len >= SCSI_SENSE_BUFFERSIZE) sense_len = SCSI_SENSE_BUFFERSIZE; - CMD_ACTUAL_SNSLEN(cp) = sense_len; - sp->request_sense_length = sense_len; - sp->request_sense_ptr = cp->sense_buffer; - if (sp->request_sense_length > 32) - sense_len = 32; + SET_CMD_SENSE_LEN(sp, sense_len); + SET_CMD_SENSE_PTR(sp, cp->sense_buffer); + track_sense_len = sense_len; + + if (sense_len > par_sense_len) + sense_len = par_sense_len; memcpy(cp->sense_buffer, sense_data, sense_len); - sp->request_sense_ptr += sense_len; - sp->request_sense_length -= sense_len; - if (sp->request_sense_length != 0) - sp->fcport->vha->status_srb = sp; - - DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) " - "cmd=%p pid=%ld\n", __func__, sp->fcport->vha->host_no, - cp->device->channel, cp->device->id, cp->device->lun, cp, - cp->serial_number)); - if (sense_len) - DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, - CMD_ACTUAL_SNSLEN(cp))); + SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); + track_sense_len -= sense_len; + SET_CMD_SENSE_LEN(sp, track_sense_len); + + if (track_sense_len != 0) { + rsp->status_srb = sp; + cp->result = res; + } + + if (sense_len) { + ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, + "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n", + sp->fcport->vha->host_no, cp->device->id, cp->device->lun, + cp); + ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, + cp->sense_buffer, sense_len); + } +} + +struct scsi_dif_tuple { + __be16 guard; /* Checksum */ + __be16 app_tag; /* APPL identifier */ + __be32 ref_tag; /* Target LBA or indirect LBA */ +}; + +/* + * Checks the guard or meta-data for the type of error + * detected by the HBA. In case of errors, we set the + * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST + * to indicate to the kernel that the HBA detected error. + */ +static inline int +qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) +{ + struct scsi_qla_host *vha = sp->fcport->vha; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); + uint8_t *ap = &sts24->data[12]; + uint8_t *ep = &sts24->data[20]; + uint32_t e_ref_tag, a_ref_tag; + uint16_t e_app_tag, a_app_tag; + uint16_t e_guard, a_guard; + + /* + * swab32 of the "data" field in the beginning of qla2x00_status_entry() + * would make guard field appear at offset 2 + */ + a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); + a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); + a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); + e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); + e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); + e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); + + ql_dbg(ql_dbg_io, vha, 0x3023, + "iocb(s) %p Returned STATUS.\n", sts24); + + ql_dbg(ql_dbg_io, vha, 0x3024, + "DIF ERROR in cmd 0x%x lba 0x%llx act ref" + " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" + " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", + cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, + a_app_tag, e_app_tag, a_guard, e_guard); + + /* + * Ignore sector if: + * For type 3: ref & app tag is all 'f's + * For type 0,1,2: app tag is all 'f's + */ + if ((a_app_tag == 0xffff) && + ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || + (a_ref_tag == 0xffffffff))) { + uint32_t blocks_done, resid; + sector_t lba_s = scsi_get_lba(cmd); + + /* 2TB boundary case covered automatically with this */ + blocks_done = e_ref_tag - (uint32_t)lba_s + 1; + + resid = scsi_bufflen(cmd) - (blocks_done * + cmd->device->sector_size); + + scsi_set_resid(cmd, resid); + cmd->result = DID_OK << 16; + + /* Update protection tag */ + if (scsi_prot_sg_count(cmd)) { + uint32_t i, j = 0, k = 0, num_ent; + struct scatterlist *sg; + struct sd_dif_tuple *spt; + + /* Patch the corresponding protection tags */ + scsi_for_each_prot_sg(cmd, sg, + scsi_prot_sg_count(cmd), i) { + num_ent = sg_dma_len(sg) / 8; + if (k + num_ent < blocks_done) { + k += num_ent; + continue; + } + j = blocks_done - k - 1; + k = blocks_done; + break; + } + + if (k != blocks_done) { + ql_log(ql_log_warn, vha, 0x302f, + "unexpected tag values tag:lba=%x:%llx)\n", + e_ref_tag, (unsigned long long)lba_s); + return 1; + } + + spt = page_address(sg_page(sg)) + sg->offset; + spt += j; + + spt->app_tag = 0xffff; + if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) + spt->ref_tag = 0xffffffff; + } + + return 0; + } + + /* check guard */ + if (e_guard != a_guard) { + scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, + 0x10, 0x1); + set_driver_byte(cmd, DRIVER_SENSE); + set_host_byte(cmd, DID_ABORT); + cmd->result |= SAM_STAT_CHECK_CONDITION << 1; + return 1; + } + + /* check ref tag */ + if (e_ref_tag != a_ref_tag) { + scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, + 0x10, 0x3); + set_driver_byte(cmd, DRIVER_SENSE); + set_host_byte(cmd, DID_ABORT); + cmd->result |= SAM_STAT_CHECK_CONDITION << 1; + return 1; + } + + /* check appl tag */ + if (e_app_tag != a_app_tag) { + scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, + 0x10, 0x2); + set_driver_byte(cmd, DRIVER_SENSE); + set_host_byte(cmd, DID_ABORT); + cmd->result |= SAM_STAT_CHECK_CONDITION << 1; + return 1; + } + + return 1; +} + +static void +qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, + struct req_que *req, uint32_t index) +{ + struct qla_hw_data *ha = vha->hw; + srb_t *sp; + uint16_t comp_status; + uint16_t scsi_status; + uint16_t thread_id; + uint32_t rval = EXT_STATUS_OK; + struct fc_bsg_job *bsg_job = NULL; + sts_entry_t *sts; + struct sts_entry_24xx *sts24; + sts = (sts_entry_t *) pkt; + sts24 = (struct sts_entry_24xx *) pkt; + + /* Validate handle. */ + if (index >= req->num_outstanding_cmds) { + ql_log(ql_log_warn, vha, 0x70af, + "Invalid SCSI completion handle 0x%x.\n", index); + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + return; + } + + sp = req->outstanding_cmds[index]; + if (sp) { + /* Free outstanding command slot. */ + req->outstanding_cmds[index] = NULL; + bsg_job = sp->u.bsg_job; + } else { + ql_log(ql_log_warn, vha, 0x70b0, + "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", + req->id, index); + + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + return; + } + + if (IS_FWI2_CAPABLE(ha)) { + comp_status = le16_to_cpu(sts24->comp_status); + scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; + } else { + comp_status = le16_to_cpu(sts->comp_status); + scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; + } + + thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1]; + switch (comp_status) { + case CS_COMPLETE: + if (scsi_status == 0) { + bsg_job->reply->reply_payload_rcv_len = + bsg_job->reply_payload.payload_len; + vha->qla_stats.input_bytes += + bsg_job->reply->reply_payload_rcv_len; + vha->qla_stats.input_requests++; + rval = EXT_STATUS_OK; + } + goto done; + + case CS_DATA_OVERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b1, + "Command completed with date overrun thread_id=%d\n", + thread_id); + rval = EXT_STATUS_DATA_OVERRUN; + break; + + case CS_DATA_UNDERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b2, + "Command completed with date underrun thread_id=%d\n", + thread_id); + rval = EXT_STATUS_DATA_UNDERRUN; + break; + case CS_BIDIR_RD_OVERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b3, + "Command completed with read data overrun thread_id=%d\n", + thread_id); + rval = EXT_STATUS_DATA_OVERRUN; + break; + + case CS_BIDIR_RD_WR_OVERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b4, + "Command completed with read and write data overrun " + "thread_id=%d\n", thread_id); + rval = EXT_STATUS_DATA_OVERRUN; + break; + + case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b5, + "Command completed with read data over and write data " + "underrun thread_id=%d\n", thread_id); + rval = EXT_STATUS_DATA_OVERRUN; + break; + + case CS_BIDIR_RD_UNDERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b6, + "Command completed with read data data underrun " + "thread_id=%d\n", thread_id); + rval = EXT_STATUS_DATA_UNDERRUN; + break; + + case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b7, + "Command completed with read data under and write data " + "overrun thread_id=%d\n", thread_id); + rval = EXT_STATUS_DATA_UNDERRUN; + break; + + case CS_BIDIR_RD_WR_UNDERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b8, + "Command completed with read and write data underrun " + "thread_id=%d\n", thread_id); + rval = EXT_STATUS_DATA_UNDERRUN; + break; + + case CS_BIDIR_DMA: + ql_dbg(ql_dbg_user, vha, 0x70b9, + "Command completed with data DMA error thread_id=%d\n", + thread_id); + rval = EXT_STATUS_DMA_ERR; + break; + + case CS_TIMEOUT: + ql_dbg(ql_dbg_user, vha, 0x70ba, + "Command completed with timeout thread_id=%d\n", + thread_id); + rval = EXT_STATUS_TIMEOUT; + break; + default: + ql_dbg(ql_dbg_user, vha, 0x70bb, + "Command completed with completion status=0x%x " + "thread_id=%d\n", comp_status, thread_id); + rval = EXT_STATUS_ERR; + break; + } + bsg_job->reply->reply_payload_rcv_len = 0; + +done: + /* Return the vendor specific reply to API */ + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval; + bsg_job->reply_len = sizeof(struct fc_bsg_reply); + /* Always return DID_OK, bsg will send the vendor specific response + * in this case only */ + sp->done(vha, sp, (DID_OK << 6)); + } /** @@ -992,97 +1962,137 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) struct sts_entry_24xx *sts24; uint16_t comp_status; uint16_t scsi_status; + uint16_t ox_id; uint8_t lscsi_status; int32_t resid; - uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len; + uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, + fw_resid_len; uint8_t *rsp_info, *sense_data; struct qla_hw_data *ha = vha->hw; - struct req_que *req = rsp->req; + uint32_t handle; + uint16_t que; + struct req_que *req; + int logit = 1; + int res = 0; + uint16_t state_flags = 0; sts = (sts_entry_t *) pkt; sts24 = (struct sts_entry_24xx *) pkt; if (IS_FWI2_CAPABLE(ha)) { comp_status = le16_to_cpu(sts24->comp_status); scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; + state_flags = le16_to_cpu(sts24->state_flags); } else { comp_status = le16_to_cpu(sts->comp_status); scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; } - - /* Fast path completion. */ - if (comp_status == CS_COMPLETE && scsi_status == 0) { - qla2x00_process_completed_request(vha, req, sts->handle); - + handle = (uint32_t) LSW(sts->handle); + que = MSW(sts->handle); + req = ha->req_q_map[que]; + + /* Check for invalid queue pointer */ + if (req == NULL || + que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { + ql_dbg(ql_dbg_io, vha, 0x3059, + "Invalid status handle (0x%x): Bad req pointer. req=%p, " + "que=%u.\n", sts->handle, req, que); return; } /* Validate handle. */ - if (sts->handle < MAX_OUTSTANDING_COMMANDS) { - sp = req->outstanding_cmds[sts->handle]; - req->outstanding_cmds[sts->handle] = NULL; - } else + if (handle < req->num_outstanding_cmds) + sp = req->outstanding_cmds[handle]; + else sp = NULL; if (sp == NULL) { - DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n", - vha->host_no)); - qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n"); + ql_dbg(ql_dbg_io, vha, 0x3017, + "Invalid status handle (0x%x).\n", sts->handle); + + if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { + if (IS_P3P_TYPE(ha)) + set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); + else + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); + } + return; + } + + if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { + qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); + return; + } + + /* Task Management completion. */ + if (sp->type == SRB_TM_CMD) { + qla24xx_tm_iocb_entry(vha, req, pkt); + return; + } + + /* Fast path completion. */ + if (comp_status == CS_COMPLETE && scsi_status == 0) { + qla2x00_process_completed_request(vha, req, handle); - set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); - qla2xxx_wake_dpc(vha); return; } - cp = sp->cmd; + + req->outstanding_cmds[handle] = NULL; + cp = GET_CMD_SP(sp); if (cp == NULL) { - DEBUG2(printk("scsi(%ld): Command already returned back to OS " - "pkt->handle=%d sp=%p.\n", vha->host_no, sts->handle, sp)); - qla_printk(KERN_WARNING, ha, - "Command is NULL: already returned to OS (sp=%p)\n", sp); + ql_dbg(ql_dbg_io, vha, 0x3018, + "Command already returned (0x%x/%p).\n", + sts->handle, sp); return; } - lscsi_status = scsi_status & STATUS_MASK; - CMD_ENTRY_STATUS(cp) = sts->entry_status; - CMD_COMPL_STATUS(cp) = comp_status; - CMD_SCSI_STATUS(cp) = scsi_status; + lscsi_status = scsi_status & STATUS_MASK; fcport = sp->fcport; - sense_len = rsp_info_len = resid_len = fw_resid_len = 0; + ox_id = 0; + sense_len = par_sense_len = rsp_info_len = resid_len = + fw_resid_len = 0; if (IS_FWI2_CAPABLE(ha)) { - sense_len = le32_to_cpu(sts24->sense_len); - rsp_info_len = le32_to_cpu(sts24->rsp_data_len); - resid_len = le32_to_cpu(sts24->rsp_residual_count); - fw_resid_len = le32_to_cpu(sts24->residual_len); + if (scsi_status & SS_SENSE_LEN_VALID) + sense_len = le32_to_cpu(sts24->sense_len); + if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) + rsp_info_len = le32_to_cpu(sts24->rsp_data_len); + if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) + resid_len = le32_to_cpu(sts24->rsp_residual_count); + if (comp_status == CS_DATA_UNDERRUN) + fw_resid_len = le32_to_cpu(sts24->residual_len); rsp_info = sts24->data; sense_data = sts24->data; host_to_fcp_swap(sts24->data, sizeof(sts24->data)); + ox_id = le16_to_cpu(sts24->ox_id); + par_sense_len = sizeof(sts24->data); } else { - sense_len = le16_to_cpu(sts->req_sense_length); - rsp_info_len = le16_to_cpu(sts->rsp_info_len); + if (scsi_status & SS_SENSE_LEN_VALID) + sense_len = le16_to_cpu(sts->req_sense_length); + if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) + rsp_info_len = le16_to_cpu(sts->rsp_info_len); resid_len = le32_to_cpu(sts->residual_length); rsp_info = sts->rsp_info; sense_data = sts->req_sense_data; + par_sense_len = sizeof(sts->req_sense_data); } /* Check for any FCP transport errors. */ if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { /* Sense data lies beyond any FCP RESPONSE data. */ - if (IS_FWI2_CAPABLE(ha)) + if (IS_FWI2_CAPABLE(ha)) { sense_data += rsp_info_len; + par_sense_len -= rsp_info_len; + } if (rsp_info_len > 3 && rsp_info[3]) { - DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol " - "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..." - "retrying command\n", vha->host_no, - cp->device->channel, cp->device->id, - cp->device->lun, rsp_info_len, rsp_info[0], - rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4], - rsp_info[5], rsp_info[6], rsp_info[7])); - - cp->result = DID_BUS_BUSY << 16; - qla2x00_sp_compl(ha, sp); - return; + ql_dbg(ql_dbg_io, fcport->vha, 0x3019, + "FCP I/O protocol failure (0x%x/0x%x).\n", + rsp_info_len, rsp_info[3]); + + res = DID_BUS_BUSY << 16; + goto out; } } @@ -1098,43 +2108,33 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) case CS_COMPLETE: case CS_QUEUE_FULL: if (scsi_status == 0) { - cp->result = DID_OK << 16; + res = DID_OK << 16; break; } if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { resid = resid_len; scsi_set_resid(cp, resid); - CMD_RESID_LEN(cp) = resid; if (!lscsi_status && ((unsigned)(scsi_bufflen(cp) - resid) < cp->underflow)) { - qla_printk(KERN_INFO, ha, - "scsi(%ld:%d:%d:%d): Mid-layer underflow " - "detected (%x of %x bytes)...returning " - "error status.\n", vha->host_no, - cp->device->channel, cp->device->id, - cp->device->lun, resid, - scsi_bufflen(cp)); - - cp->result = DID_ERROR << 16; + ql_dbg(ql_dbg_io, fcport->vha, 0x301a, + "Mid-layer underflow " + "detected (0x%x of 0x%x bytes).\n", + resid, scsi_bufflen(cp)); + + res = DID_ERROR << 16; break; } } - cp->result = DID_OK << 16 | lscsi_status; + res = DID_OK << 16 | lscsi_status; if (lscsi_status == SAM_STAT_TASK_SET_FULL) { - DEBUG2(printk(KERN_INFO - "scsi(%ld): QUEUE FULL status detected " - "0x%x-0x%x.\n", vha->host_no, comp_status, - scsi_status)); - - /* Adjust queue depth for all luns on the port. */ - fcport->last_queue_full = jiffies; - starget_for_each_device(cp->device->sdev_target, - fcport, qla2x00_adjust_sdev_qdepth_down); + ql_dbg(ql_dbg_io, fcport->vha, 0x301b, + "QUEUE FULL detected.\n"); break; } + logit = 0; if (lscsi_status != SS_CHECK_CONDITION) break; @@ -1142,57 +2142,69 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) if (!(scsi_status & SS_SENSE_LEN_VALID)) break; - qla2x00_handle_sense(sp, sense_data, sense_len); + qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, + rsp, res); break; case CS_DATA_UNDERRUN: - resid = resid_len; /* Use F/W calculated residual length. */ - if (IS_FWI2_CAPABLE(ha)) { - if (!(scsi_status & SS_RESIDUAL_UNDER)) { - lscsi_status = 0; - } else if (resid != fw_resid_len) { - scsi_status &= ~SS_RESIDUAL_UNDER; - lscsi_status = 0; + resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; + scsi_set_resid(cp, resid); + if (scsi_status & SS_RESIDUAL_UNDER) { + if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { + ql_dbg(ql_dbg_io, fcport->vha, 0x301d, + "Dropped frame(s) detected " + "(0x%x of 0x%x bytes).\n", + resid, scsi_bufflen(cp)); + + res = DID_ERROR << 16 | lscsi_status; + goto check_scsi_status; } - resid = fw_resid_len; - } - if (scsi_status & SS_RESIDUAL_UNDER) { - scsi_set_resid(cp, resid); - CMD_RESID_LEN(cp) = resid; - } else { - DEBUG2(printk(KERN_INFO - "scsi(%ld:%d:%d) UNDERRUN status detected " - "0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x " - "os_underflow=0x%x\n", vha->host_no, - cp->device->id, cp->device->lun, comp_status, - scsi_status, resid_len, resid, cp->cmnd[0], - cp->underflow)); + if (!lscsi_status && + ((unsigned)(scsi_bufflen(cp) - resid) < + cp->underflow)) { + ql_dbg(ql_dbg_io, fcport->vha, 0x301e, + "Mid-layer underflow " + "detected (0x%x of 0x%x bytes).\n", + resid, scsi_bufflen(cp)); + res = DID_ERROR << 16; + break; + } + } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && + lscsi_status != SAM_STAT_BUSY) { + /* + * scsi status of task set and busy are considered to be + * task not completed. + */ + + ql_dbg(ql_dbg_io, fcport->vha, 0x301f, + "Dropped frame(s) detected (0x%x " + "of 0x%x bytes).\n", resid, + scsi_bufflen(cp)); + + res = DID_ERROR << 16 | lscsi_status; + goto check_scsi_status; + } else { + ql_dbg(ql_dbg_io, fcport->vha, 0x3030, + "scsi_status: 0x%x, lscsi_status: 0x%x\n", + scsi_status, lscsi_status); } + res = DID_OK << 16 | lscsi_status; + logit = 0; + +check_scsi_status: /* * Check to see if SCSI Status is non zero. If so report SCSI * Status. */ if (lscsi_status != 0) { - cp->result = DID_OK << 16 | lscsi_status; - if (lscsi_status == SAM_STAT_TASK_SET_FULL) { - DEBUG2(printk(KERN_INFO - "scsi(%ld): QUEUE FULL status detected " - "0x%x-0x%x.\n", vha->host_no, comp_status, - scsi_status)); - - /* - * Adjust queue depth for all luns on the - * port. - */ - fcport->last_queue_full = jiffies; - starget_for_each_device( - cp->device->sdev_target, fcport, - qla2x00_adjust_sdev_qdepth_down); + ql_dbg(ql_dbg_io, fcport->vha, 0x3020, + "QUEUE FULL detected.\n"); + logit = 1; break; } if (lscsi_status != SS_CHECK_CONDITION) @@ -1202,150 +2214,84 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) if (!(scsi_status & SS_SENSE_LEN_VALID)) break; - qla2x00_handle_sense(sp, sense_data, sense_len); - } else { - /* - * If RISC reports underrun and target does not report - * it then we must have a lost frame, so tell upper - * layer to retry it by reporting a bus busy. - */ - if (!(scsi_status & SS_RESIDUAL_UNDER)) { - DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped " - "frame(s) detected (%x of %x bytes)..." - "retrying command.\n", - vha->host_no, cp->device->channel, - cp->device->id, cp->device->lun, resid, - scsi_bufflen(cp))); - - cp->result = DID_BUS_BUSY << 16; - break; - } - - /* Handle mid-layer underflow */ - if ((unsigned)(scsi_bufflen(cp) - resid) < - cp->underflow) { - qla_printk(KERN_INFO, ha, - "scsi(%ld:%d:%d:%d): Mid-layer underflow " - "detected (%x of %x bytes)...returning " - "error status.\n", vha->host_no, - cp->device->channel, cp->device->id, - cp->device->lun, resid, - scsi_bufflen(cp)); - - cp->result = DID_ERROR << 16; - break; - } - - /* Everybody online, looking good... */ - cp->result = DID_OK << 16; + qla2x00_handle_sense(sp, sense_data, par_sense_len, + sense_len, rsp, res); } break; - case CS_DATA_OVERRUN: - DEBUG2(printk(KERN_INFO - "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n", - vha->host_no, cp->device->id, cp->device->lun, comp_status, - scsi_status)); - DEBUG2(printk(KERN_INFO - "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", - cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], - cp->cmnd[4], cp->cmnd[5])); - DEBUG2(printk(KERN_INFO - "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR " - "status!\n", - cp->serial_number, scsi_bufflen(cp), resid_len)); - - cp->result = DID_ERROR << 16; - break; - case CS_PORT_LOGGED_OUT: case CS_PORT_CONFIG_CHG: case CS_PORT_BUSY: case CS_INCOMPLETE: case CS_PORT_UNAVAILABLE: - /* - * If the port is in Target Down state, return all IOs for this - * Target with DID_NO_CONNECT ELSE Queue the IOs in the - * retry_queue. - */ - DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down " - "pid=%ld, compl status=0x%x, port state=0x%x\n", - vha->host_no, cp->device->id, cp->device->lun, - cp->serial_number, comp_status, - atomic_read(&fcport->state))); + case CS_TIMEOUT: + case CS_RESET: /* * We are going to have the fc class block the rport * while we try to recover so instruct the mid layer * to requeue until the class decides how to handle this. */ - cp->result = DID_TRANSPORT_DISRUPTED << 16; - if (atomic_read(&fcport->state) == FCS_ONLINE) - qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); - break; + res = DID_TRANSPORT_DISRUPTED << 16; - case CS_RESET: - DEBUG2(printk(KERN_INFO - "scsi(%ld): RESET status detected 0x%x-0x%x.\n", - vha->host_no, comp_status, scsi_status)); + if (comp_status == CS_TIMEOUT) { + if (IS_FWI2_CAPABLE(ha)) + break; + else if ((le16_to_cpu(sts->status_flags) & + SF_LOGOUT_SENT) == 0) + break; + } - cp->result = DID_RESET << 16; + ql_dbg(ql_dbg_io, fcport->vha, 0x3021, + "Port to be marked lost on fcport=%02x%02x%02x, current " + "port state= %s.\n", fcport->d_id.b.domain, + fcport->d_id.b.area, fcport->d_id.b.al_pa, + port_state_str[atomic_read(&fcport->state)]); + + if (atomic_read(&fcport->state) == FCS_ONLINE) + qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); break; case CS_ABORTED: - /* - * hv2.19.12 - DID_ABORT does not retry the request if we - * aborted this request then abort otherwise it must be a - * reset. - */ - DEBUG2(printk(KERN_INFO - "scsi(%ld): ABORT status detected 0x%x-0x%x.\n", - vha->host_no, comp_status, scsi_status)); + res = DID_RESET << 16; + break; - cp->result = DID_RESET << 16; + case CS_DIF_ERROR: + logit = qla2x00_handle_dif_error(sp, sts24); + res = cp->result; break; - case CS_TIMEOUT: - /* - * We are going to have the fc class block the rport - * while we try to recover so instruct the mid layer - * to requeue until the class decides how to handle this. - */ - cp->result = DID_TRANSPORT_DISRUPTED << 16; + case CS_TRANSPORT: + res = DID_ERROR << 16; - if (IS_FWI2_CAPABLE(ha)) { - DEBUG2(printk(KERN_INFO - "scsi(%ld:%d:%d:%d): TIMEOUT status detected " - "0x%x-0x%x\n", vha->host_no, cp->device->channel, - cp->device->id, cp->device->lun, comp_status, - scsi_status)); + if (!IS_PI_SPLIT_DET_CAPABLE(ha)) break; - } - DEBUG2(printk(KERN_INFO - "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x " - "sflags=%x.\n", vha->host_no, cp->device->channel, - cp->device->id, cp->device->lun, comp_status, scsi_status, - le16_to_cpu(sts->status_flags))); - - /* Check to see if logout occurred. */ - if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT)) - qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); + + if (state_flags & BIT_4) + scmd_printk(KERN_WARNING, cp, + "Unsupported device '%s' found.\n", + cp->device->vendor); break; default: - DEBUG3(printk("scsi(%ld): Error detected (unknown status) " - "0x%x-0x%x.\n", vha->host_no, comp_status, scsi_status)); - qla_printk(KERN_INFO, ha, - "Unknown status detected 0x%x-0x%x.\n", - comp_status, scsi_status); - - cp->result = DID_ERROR << 16; + res = DID_ERROR << 16; break; } - /* Place command on done queue. */ - if (vha->status_srb == NULL) - qla2x00_sp_compl(ha, sp); +out: + if (logit) + ql_dbg(ql_dbg_io, fcport->vha, 0x3022, + "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%d " + "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " + "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n", + comp_status, scsi_status, res, vha->host_no, + cp->device->id, cp->device->lun, fcport->d_id.b.domain, + fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, + cp->cmnd, scsi_bufflen(cp), rsp_info_len, + resid_len, fw_resid_len); + + if (rsp->status_srb == NULL) + sp->done(ha, sp, res); } /** @@ -1356,46 +2302,53 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) * Extended sense data. */ static void -qla2x00_status_cont_entry(scsi_qla_host_t *vha, sts_cont_entry_t *pkt) +qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) { - uint8_t sense_sz = 0; - struct qla_hw_data *ha = vha->hw; - srb_t *sp = vha->status_srb; + uint8_t sense_sz = 0; + struct qla_hw_data *ha = rsp->hw; + struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); + srb_t *sp = rsp->status_srb; struct scsi_cmnd *cp; + uint32_t sense_len; + uint8_t *sense_ptr; - if (sp != NULL && sp->request_sense_length != 0) { - cp = sp->cmd; - if (cp == NULL) { - DEBUG2(printk("%s(): Cmd already returned back to OS " - "sp=%p.\n", __func__, sp)); - qla_printk(KERN_INFO, ha, - "cmd is NULL: already returned to OS (sp=%p)\n", - sp); + if (!sp || !GET_CMD_SENSE_LEN(sp)) + return; - vha->status_srb = NULL; - return; - } + sense_len = GET_CMD_SENSE_LEN(sp); + sense_ptr = GET_CMD_SENSE_PTR(sp); - if (sp->request_sense_length > sizeof(pkt->data)) { - sense_sz = sizeof(pkt->data); - } else { - sense_sz = sp->request_sense_length; - } + cp = GET_CMD_SP(sp); + if (cp == NULL) { + ql_log(ql_log_warn, vha, 0x3025, + "cmd is NULL: already returned to OS (sp=%p).\n", sp); - /* Move sense data. */ - if (IS_FWI2_CAPABLE(ha)) - host_to_fcp_swap(pkt->data, sizeof(pkt->data)); - memcpy(sp->request_sense_ptr, pkt->data, sense_sz); - DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); + rsp->status_srb = NULL; + return; + } - sp->request_sense_ptr += sense_sz; - sp->request_sense_length -= sense_sz; + if (sense_len > sizeof(pkt->data)) + sense_sz = sizeof(pkt->data); + else + sense_sz = sense_len; - /* Place command on done queue. */ - if (sp->request_sense_length == 0) { - vha->status_srb = NULL; - qla2x00_sp_compl(ha, sp); - } + /* Move sense data. */ + if (IS_FWI2_CAPABLE(ha)) + host_to_fcp_swap(pkt->data, sizeof(pkt->data)); + memcpy(sense_ptr, pkt->data, sense_sz); + ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, + sense_ptr, sense_sz); + + sense_len -= sense_sz; + sense_ptr += sense_sz; + + SET_CMD_SENSE_PTR(sp, sense_ptr); + SET_CMD_SENSE_LEN(sp, sense_len); + + /* Place command on done queue. */ + if (sense_len == 0) { + rsp->status_srb = NULL; + sp->done(ha, sp, cp->result); } } @@ -1409,55 +2362,36 @@ qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) { srb_t *sp; struct qla_hw_data *ha = vha->hw; - struct req_que *req = rsp->req; -#if defined(QL_DEBUG_LEVEL_2) - if (pkt->entry_status & RF_INV_E_ORDER) - qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__); - else if (pkt->entry_status & RF_INV_E_COUNT) - qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__); - else if (pkt->entry_status & RF_INV_E_PARAM) - qla_printk(KERN_ERR, ha, - "%s: Invalid Entry Parameter\n", __func__); - else if (pkt->entry_status & RF_INV_E_TYPE) - qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__); - else if (pkt->entry_status & RF_BUSY) - qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__); - else - qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__); -#endif + const char func[] = "ERROR-IOCB"; + uint16_t que = MSW(pkt->handle); + struct req_que *req = NULL; + int res = DID_ERROR << 16; - /* Validate handle. */ - if (pkt->handle < MAX_OUTSTANDING_COMMANDS) - sp = req->outstanding_cmds[pkt->handle]; - else - sp = NULL; + ql_dbg(ql_dbg_async, vha, 0x502a, + "type of error status in response: 0x%x\n", pkt->entry_status); - if (sp) { - /* Free outstanding command slot. */ - req->outstanding_cmds[pkt->handle] = NULL; - - /* Bad payload or header */ - if (pkt->entry_status & - (RF_INV_E_ORDER | RF_INV_E_COUNT | - RF_INV_E_PARAM | RF_INV_E_TYPE)) { - sp->cmd->result = DID_ERROR << 16; - } else if (pkt->entry_status & RF_BUSY) { - sp->cmd->result = DID_BUS_BUSY << 16; - } else { - sp->cmd->result = DID_ERROR << 16; - } - qla2x00_sp_compl(ha, sp); + if (que >= ha->max_req_queues || !ha->req_q_map[que]) + goto fatal; - } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == - COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { - DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", - vha->host_no)); - qla_printk(KERN_WARNING, ha, - "Error entry - invalid handle\n"); + req = ha->req_q_map[que]; - set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); - qla2xxx_wake_dpc(vha); + if (pkt->entry_status & RF_BUSY) + res = DID_BUS_BUSY << 16; + + sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); + if (sp) { + sp->done(ha, sp, res); + return; } +fatal: + ql_log(ql_log_warn, vha, 0x5030, + "Error entry - invalid handle/queue.\n"); + + if (IS_P3P_TYPE(ha)) + set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); + else + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); } /** @@ -1469,41 +2403,59 @@ static void qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) { uint16_t cnt; + uint32_t mboxes; uint16_t __iomem *wptr; struct qla_hw_data *ha = vha->hw; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; + /* Read all mbox registers? */ + mboxes = (1 << ha->mbx_count) - 1; + if (!ha->mcp) + ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); + else + mboxes = ha->mcp->in_mb; + /* Load return mailbox registers. */ ha->flags.mbox_int = 1; ha->mailbox_out[0] = mb0; + mboxes >>= 1; wptr = (uint16_t __iomem *)®->mailbox1; for (cnt = 1; cnt < ha->mbx_count; cnt++) { - ha->mailbox_out[cnt] = RD_REG_WORD(wptr); + if (mboxes & BIT_0) + ha->mailbox_out[cnt] = RD_REG_WORD(wptr); + + mboxes >>= 1; wptr++; } +} - if (ha->mcp) { - DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", - __func__, vha->host_no, ha->mcp->mb[0])); - } else { - DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", - __func__, vha->host_no)); - } +static void +qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, + struct abort_entry_24xx *pkt) +{ + const char func[] = "ABT_IOCB"; + srb_t *sp; + struct srb_iocb *abt; + + sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); + if (!sp) + return; + + abt = &sp->u.iocb_cmd; + abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle); + sp->done(vha, sp, 0); } /** * qla24xx_process_response_queue() - Process response queue entries. * @ha: SCSI driver HA context */ -void -qla24xx_process_response_queue(struct rsp_que *rsp) +void qla24xx_process_response_queue(struct scsi_qla_host *vha, + struct rsp_que *rsp) { - struct qla_hw_data *ha = rsp->hw; struct sts_entry_24xx *pkt; - struct scsi_qla_host *vha; - - vha = qla2x00_get_rsp_host(rsp); + struct qla_hw_data *ha = vha->hw; if (!vha->flags.online) return; @@ -1520,32 +2472,62 @@ qla24xx_process_response_queue(struct rsp_que *rsp) } if (pkt->entry_status != 0) { - DEBUG3(printk(KERN_INFO - "scsi(%ld): Process error entry.\n", vha->host_no)); - qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); + + if (qlt_24xx_process_response_error(vha, pkt)) + goto process_err; + ((response_t *)pkt)->signature = RESPONSE_PROCESSED; wmb(); continue; } +process_err: switch (pkt->entry_type) { case STATUS_TYPE: qla2x00_status_entry(vha, rsp, pkt); break; case STATUS_CONT_TYPE: - qla2x00_status_cont_entry(vha, (sts_cont_entry_t *)pkt); + qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); break; case VP_RPT_ID_IOCB_TYPE: qla24xx_report_id_acquisition(vha, (struct vp_rpt_id_entry_24xx *)pkt); break; + case LOGINOUT_PORT_IOCB_TYPE: + qla24xx_logio_entry(vha, rsp->req, + (struct logio_entry_24xx *)pkt); + break; + case CT_IOCB_TYPE: + qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); + break; + case ELS_IOCB_TYPE: + qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); + break; + case ABTS_RECV_24XX: + /* ensure that the ATIO queue is empty */ + qlt_24xx_process_atio_queue(vha); + case ABTS_RESP_24XX: + case CTIO_TYPE7: + case NOTIFY_ACK_TYPE: + case CTIO_CRC2: + qlt_response_pkt_all_vps(vha, (response_t *)pkt); + break; + case MARKER_TYPE: + /* Do nothing in this case, this check is to prevent it + * from falling into default case + */ + break; + case ABORT_IOCB_TYPE: + qla24xx_abort_iocb_entry(vha, rsp->req, + (struct abort_entry_24xx *)pkt); + break; default: /* Type Not Supported. */ - DEBUG4(printk(KERN_WARNING - "scsi(%ld): Received unknown response pkt type %x " + ql_dbg(ql_dbg_async, vha, 0x5042, + "Received unknown response pkt type %x " "entry status=%x.\n", - vha->host_no, pkt->entry_type, pkt->entry_status)); + pkt->entry_type, pkt->entry_status); break; } ((response_t *)pkt)->signature = RESPONSE_PROCESSED; @@ -1553,7 +2535,11 @@ qla24xx_process_response_queue(struct rsp_que *rsp) } /* Adjust ring index */ - ha->isp_ops->wrt_rsp_reg(ha, rsp->id, rsp->ring_index); + if (IS_P3P_TYPE(ha)) { + struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; + WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); + } else + WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); } static void @@ -1564,7 +2550,8 @@ qla2xxx_check_risc_status(scsi_qla_host_t *vha) struct qla_hw_data *ha = vha->hw; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; - if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) + if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && + !IS_QLA27XX(ha)) return; rval = QLA_SUCCESS; @@ -1582,6 +2569,7 @@ qla2xxx_check_risc_status(scsi_qla_host_t *vha) if (rval == QLA_SUCCESS) goto next_test; + rval = QLA_SUCCESS; WRT_REG_DWORD(®->iobase_window, 0x0003); for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && rval == QLA_SUCCESS; cnt--) { @@ -1596,7 +2584,8 @@ qla2xxx_check_risc_status(scsi_qla_host_t *vha) next_test: if (RD_REG_DWORD(®->iobase_c8) & BIT_3) - qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n"); + ql_log(ql_log_info, vha, 0x504c, + "Additional code -- 0x55AA.\n"); done: WRT_REG_DWORD(®->iobase_window, 0x0000); @@ -1604,7 +2593,7 @@ done: } /** - * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. + * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. * @irq: * @dev_id: SCSI driver HA context * @@ -1622,13 +2611,14 @@ qla24xx_intr_handler(int irq, void *dev_id) unsigned long iter; uint32_t stat; uint32_t hccr; - uint16_t mb[4]; + uint16_t mb[8]; struct rsp_que *rsp; + unsigned long flags; rsp = (struct rsp_que *) dev_id; if (!rsp) { - printk(KERN_INFO - "%s(): NULL response queue pointer\n", __func__); + ql_log(ql_log_info, NULL, 0x5059, + "%s: NULL response queue pointer.\n", __func__); return IRQ_NONE; } @@ -1636,18 +2626,24 @@ qla24xx_intr_handler(int irq, void *dev_id) reg = &ha->iobase->isp24; status = 0; - spin_lock(&ha->hardware_lock); - vha = qla2x00_get_rsp_host(rsp); + if (unlikely(pci_channel_offline(ha->pdev))) + return IRQ_HANDLED; + + spin_lock_irqsave(&ha->hardware_lock, flags); + vha = pci_get_drvdata(ha->pdev); for (iter = 50; iter--; ) { stat = RD_REG_DWORD(®->host_status); + if (qla2x00_check_reg_for_disconnect(vha, stat)) + break; if (stat & HSRX_RISC_PAUSED) { - if (pci_channel_offline(ha->pdev)) + if (unlikely(pci_channel_offline(ha->pdev))) break; hccr = RD_REG_DWORD(®->hccr); - qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " - "Dumping firmware!\n", hccr); + ql_log(ql_log_warn, vha, 0x504b, + "RISC paused -- HCCR=%x, Dumping firmware.\n", + hccr); qla2xxx_check_risc_status(vha); @@ -1658,41 +2654,44 @@ qla24xx_intr_handler(int irq, void *dev_id) break; switch (stat & 0xff) { - case 0x1: - case 0x2: - case 0x10: - case 0x11: + case INTR_ROM_MB_SUCCESS: + case INTR_ROM_MB_FAILED: + case INTR_MB_SUCCESS: + case INTR_MB_FAILED: qla24xx_mbx_completion(vha, MSW(stat)); status |= MBX_INTERRUPT; break; - case 0x12: + case INTR_ASYNC_EVENT: mb[0] = MSW(stat); mb[1] = RD_REG_WORD(®->mailbox1); mb[2] = RD_REG_WORD(®->mailbox2); mb[3] = RD_REG_WORD(®->mailbox3); qla2x00_async_event(vha, rsp, mb); break; - case 0x13: - case 0x14: - qla24xx_process_response_queue(rsp); + case INTR_RSP_QUE_UPDATE: + case INTR_RSP_QUE_UPDATE_83XX: + qla24xx_process_response_queue(vha, rsp); + break; + case INTR_ATIO_QUE_UPDATE: + qlt_24xx_process_atio_queue(vha); + break; + case INTR_ATIO_RSP_QUE_UPDATE: + qlt_24xx_process_atio_queue(vha); + qla24xx_process_response_queue(vha, rsp); break; default: - DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " - "(%d).\n", - vha->host_no, stat & 0xff)); + ql_dbg(ql_dbg_async, vha, 0x504f, + "Unrecognized interrupt type (%d).\n", stat * 0xff); break; } WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); RD_REG_DWORD_RELAXED(®->hccr); + if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) + ndelay(3500); } - spin_unlock(&ha->hardware_lock); - - if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && - (status & MBX_INTERRUPT) && ha->flags.mbox_int) { - set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); - complete(&ha->mbx_intr_comp); - } + qla2x00_handle_mbx_completion(ha, status); + spin_unlock_irqrestore(&ha->hardware_lock, flags); return IRQ_HANDLED; } @@ -1703,22 +2702,36 @@ qla24xx_msix_rsp_q(int irq, void *dev_id) struct qla_hw_data *ha; struct rsp_que *rsp; struct device_reg_24xx __iomem *reg; + struct scsi_qla_host *vha; + unsigned long flags; + uint32_t stat = 0; rsp = (struct rsp_que *) dev_id; if (!rsp) { - printk(KERN_INFO - "%s(): NULL response queue pointer\n", __func__); + ql_log(ql_log_info, NULL, 0x505a, + "%s: NULL response queue pointer.\n", __func__); return IRQ_NONE; } ha = rsp->hw; reg = &ha->iobase->isp24; - spin_lock_irq(&ha->hardware_lock); - - qla24xx_process_response_queue(rsp); - WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); + spin_lock_irqsave(&ha->hardware_lock, flags); - spin_unlock_irq(&ha->hardware_lock); + vha = pci_get_drvdata(ha->pdev); + /* + * Use host_status register to check to PCI disconnection before we + * we process the response queue. + */ + stat = RD_REG_DWORD(®->host_status); + if (qla2x00_check_reg_for_disconnect(vha, stat)) + goto out; + qla24xx_process_response_queue(vha, rsp); + if (!ha->flags.disable_msix_handshake) { + WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); + RD_REG_DWORD_RELAXED(®->hccr); + } +out: + spin_unlock_irqrestore(&ha->hardware_lock, flags); return IRQ_HANDLED; } @@ -1727,24 +2740,34 @@ static irqreturn_t qla25xx_msix_rsp_q(int irq, void *dev_id) { struct qla_hw_data *ha; + scsi_qla_host_t *vha; struct rsp_que *rsp; struct device_reg_24xx __iomem *reg; + unsigned long flags; + uint32_t hccr = 0; rsp = (struct rsp_que *) dev_id; if (!rsp) { - printk(KERN_INFO - "%s(): NULL response queue pointer\n", __func__); + ql_log(ql_log_info, NULL, 0x505b, + "%s: NULL response queue pointer.\n", __func__); return IRQ_NONE; } ha = rsp->hw; - reg = &ha->iobase->isp24; - - spin_lock_irq(&ha->hardware_lock); - - qla24xx_process_response_queue(rsp); + vha = pci_get_drvdata(ha->pdev); - spin_unlock_irq(&ha->hardware_lock); + /* Clear the interrupt, if enabled, for this response queue */ + if (!ha->flags.disable_msix_handshake) { + reg = &ha->iobase->isp24; + spin_lock_irqsave(&ha->hardware_lock, flags); + WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); + hccr = RD_REG_DWORD_RELAXED(®->hccr); + spin_unlock_irqrestore(&ha->hardware_lock, flags); + } + if (qla2x00_check_reg_for_disconnect(vha, hccr)) + goto out; + queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); +out: return IRQ_HANDLED; } @@ -1758,30 +2781,34 @@ qla24xx_msix_default(int irq, void *dev_id) int status; uint32_t stat; uint32_t hccr; - uint16_t mb[4]; + uint16_t mb[8]; + unsigned long flags; rsp = (struct rsp_que *) dev_id; if (!rsp) { - DEBUG(printk( - "%s(): NULL response queue pointer\n", __func__)); + ql_log(ql_log_info, NULL, 0x505c, + "%s: NULL response queue pointer.\n", __func__); return IRQ_NONE; } ha = rsp->hw; reg = &ha->iobase->isp24; status = 0; - spin_lock_irq(&ha->hardware_lock); - vha = qla2x00_get_rsp_host(rsp); + spin_lock_irqsave(&ha->hardware_lock, flags); + vha = pci_get_drvdata(ha->pdev); do { stat = RD_REG_DWORD(®->host_status); + if (qla2x00_check_reg_for_disconnect(vha, stat)) + break; if (stat & HSRX_RISC_PAUSED) { - if (pci_channel_offline(ha->pdev)) + if (unlikely(pci_channel_offline(ha->pdev))) break; hccr = RD_REG_DWORD(®->hccr); - qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " - "Dumping firmware!\n", hccr); + ql_log(ql_log_info, vha, 0x5050, + "RISC paused -- HCCR=%x, Dumping firmware.\n", + hccr); qla2xxx_check_risc_status(vha); @@ -1792,40 +2819,41 @@ qla24xx_msix_default(int irq, void *dev_id) break; switch (stat & 0xff) { - case 0x1: - case 0x2: - case 0x10: - case 0x11: + case INTR_ROM_MB_SUCCESS: + case INTR_ROM_MB_FAILED: + case INTR_MB_SUCCESS: + case INTR_MB_FAILED: qla24xx_mbx_completion(vha, MSW(stat)); status |= MBX_INTERRUPT; break; - case 0x12: + case INTR_ASYNC_EVENT: mb[0] = MSW(stat); mb[1] = RD_REG_WORD(®->mailbox1); mb[2] = RD_REG_WORD(®->mailbox2); mb[3] = RD_REG_WORD(®->mailbox3); qla2x00_async_event(vha, rsp, mb); break; - case 0x13: - case 0x14: - qla24xx_process_response_queue(rsp); + case INTR_RSP_QUE_UPDATE: + case INTR_RSP_QUE_UPDATE_83XX: + qla24xx_process_response_queue(vha, rsp); + break; + case INTR_ATIO_QUE_UPDATE: + qlt_24xx_process_atio_queue(vha); + break; + case INTR_ATIO_RSP_QUE_UPDATE: + qlt_24xx_process_atio_queue(vha); + qla24xx_process_response_queue(vha, rsp); break; default: - DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " - "(%d).\n", - vha->host_no, stat & 0xff)); + ql_dbg(ql_dbg_async, vha, 0x5051, + "Unrecognized interrupt type (%d).\n", stat & 0xff); break; } WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); } while (0); - spin_unlock_irq(&ha->hardware_lock); - - if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && - (status & MBX_INTERRUPT) && ha->flags.mbox_int) { - set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); - complete(&ha->mbx_intr_comp); - } + qla2x00_handle_mbx_completion(ha, status); + spin_unlock_irqrestore(&ha->hardware_lock, flags); return IRQ_HANDLED; } @@ -1833,31 +2861,25 @@ qla24xx_msix_default(int irq, void *dev_id) /* Interrupt handling helpers. */ struct qla_init_msix_entry { - uint16_t entry; - uint16_t index; const char *name; irq_handler_t handler; }; -static struct qla_init_msix_entry base_queue = { - .entry = 0, - .index = 0, - .name = "qla2xxx (default)", - .handler = qla24xx_msix_default, +static struct qla_init_msix_entry msix_entries[3] = { + { "qla2xxx (default)", qla24xx_msix_default }, + { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, + { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, }; -static struct qla_init_msix_entry base_rsp_queue = { - .entry = 1, - .index = 1, - .name = "qla2xxx (rsp_q)", - .handler = qla24xx_msix_rsp_q, +static struct qla_init_msix_entry qla82xx_msix_entries[2] = { + { "qla2xxx (default)", qla82xx_msix_default }, + { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, }; -static struct qla_init_msix_entry multi_rsp_queue = { - .entry = 1, - .index = 1, - .name = "qla2xxx (multi_q)", - .handler = qla25xx_msix_rsp_q, +static struct qla_init_msix_entry qla83xx_msix_entries[3] = { + { "qla2xxx (default)", qla24xx_msix_default }, + { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, + { "qla2xxx (atio_q)", qla83xx_msix_atio_q }, }; static void @@ -1865,6 +2887,7 @@ qla24xx_disable_msix(struct qla_hw_data *ha) { int i; struct qla_msix_entry *qentry; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); for (i = 0; i < ha->msix_count; i++) { qentry = &ha->msix_entries[i]; @@ -1875,21 +2898,27 @@ qla24xx_disable_msix(struct qla_hw_data *ha) kfree(ha->msix_entries); ha->msix_entries = NULL; ha->flags.msix_enabled = 0; + ql_dbg(ql_dbg_init, vha, 0x0042, + "Disabled the MSI.\n"); } static int qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) { #define MIN_MSIX_COUNT 2 +#define ATIO_VECTOR 2 int i, ret; struct msix_entry *entries; struct qla_msix_entry *qentry; - struct qla_init_msix_entry *msix_queue; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, - GFP_KERNEL); - if (!entries) + GFP_KERNEL); + if (!entries) { + ql_log(ql_log_warn, vha, 0x00bc, + "Failed to allocate memory for msix_entry.\n"); return -ENOMEM; + } for (i = 0; i < ha->msix_count; i++) entries[i].entry = i; @@ -1899,23 +2928,27 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) if (ret < MIN_MSIX_COUNT) goto msix_failed; - qla_printk(KERN_WARNING, ha, - "MSI-X: Failed to enable support -- %d/%d\n" - " Retry with %d vectors\n", ha->msix_count, ret, ret); + ql_log(ql_log_warn, vha, 0x00c6, + "MSI-X: Failed to enable support " + "-- %d/%d\n Retry with %d vectors.\n", + ha->msix_count, ret, ret); ha->msix_count = ret; ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); if (ret) { msix_failed: - qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable" - " support, giving up -- %d/%d\n", - ha->msix_count, ret); + ql_log(ql_log_fatal, vha, 0x00c7, + "MSI-X: Failed to enable support, " + "giving up -- %d/%d.\n", + ha->msix_count, ret); goto msix_out; } - ha->max_queues = ha->msix_count - 1; + ha->max_rsp_queues = ha->msix_count - 1; } ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * ha->msix_count, GFP_KERNEL); if (!ha->msix_entries) { + ql_log(ql_log_fatal, vha, 0x00c8, + "Failed to allocate memory for ha->msix_entries.\n"); ret = -ENOMEM; goto msix_out; } @@ -1929,45 +2962,63 @@ msix_failed: qentry->rsp = NULL; } - /* Enable MSI-X for AENs for queue 0 */ - qentry = &ha->msix_entries[0]; - ret = request_irq(qentry->vector, base_queue.handler, 0, - base_queue.name, rsp); - if (ret) { - qla_printk(KERN_WARNING, ha, - "MSI-X: Unable to register handler -- %x/%d.\n", - qentry->vector, ret); - qla24xx_disable_msix(ha); - goto msix_out; + /* Enable MSI-X vectors for the base queue */ + for (i = 0; i < 2; i++) { + qentry = &ha->msix_entries[i]; + if (IS_P3P_TYPE(ha)) + ret = request_irq(qentry->vector, + qla82xx_msix_entries[i].handler, + 0, qla82xx_msix_entries[i].name, rsp); + else + ret = request_irq(qentry->vector, + msix_entries[i].handler, + 0, msix_entries[i].name, rsp); + if (ret) + goto msix_register_fail; + qentry->have_irq = 1; + qentry->rsp = rsp; + rsp->msix = qentry; } - qentry->have_irq = 1; - qentry->rsp = rsp; - /* Enable MSI-X vector for response queue update for queue 0 */ - if (ha->max_queues > 1 && ha->mqiobase) { - ha->mqenable = 1; - msix_queue = &multi_rsp_queue; - qla_printk(KERN_INFO, ha, - "MQ enabled, Number of Queue Resources: %d \n", - ha->max_queues); - } else { - ha->mqenable = 0; - msix_queue = &base_rsp_queue; + /* + * If target mode is enable, also request the vector for the ATIO + * queue. + */ + if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) { + qentry = &ha->msix_entries[ATIO_VECTOR]; + ret = request_irq(qentry->vector, + qla83xx_msix_entries[ATIO_VECTOR].handler, + 0, qla83xx_msix_entries[ATIO_VECTOR].name, rsp); + qentry->have_irq = 1; + qentry->rsp = rsp; + rsp->msix = qentry; } - qentry = &ha->msix_entries[1]; - ret = request_irq(qentry->vector, msix_queue->handler, 0, - msix_queue->name, rsp); +msix_register_fail: if (ret) { - qla_printk(KERN_WARNING, ha, - "MSI-X: Unable to register handler -- %x/%d.\n", - qentry->vector, ret); + ql_log(ql_log_fatal, vha, 0x00cb, + "MSI-X: unable to register handler -- %x/%d.\n", + qentry->vector, ret); qla24xx_disable_msix(ha); ha->mqenable = 0; goto msix_out; } - qentry->have_irq = 1; - qentry->rsp = rsp; + + /* Enable MSI-X vector for response queue update for queue 0 */ + if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { + if (ha->msixbase && ha->mqiobase && + (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) + ha->mqenable = 1; + } else + if (ha->mqiobase + && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) + ha->mqenable = 1; + ql_dbg(ql_dbg_multiq, vha, 0xc005, + "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", + ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); + ql_dbg(ql_dbg_init, vha, 0x0055, + "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", + ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); msix_out: kfree(entries); @@ -1977,83 +3028,85 @@ msix_out: int qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) { - int ret; - device_reg_t __iomem *reg = ha->iobase; + int ret = QLA_FUNCTION_FAILED; + device_reg_t *reg = ha->iobase; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); /* If possible, enable MSI-X. */ - if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && - !IS_QLA8432(ha) && !IS_QLA8001(ha)) - goto skip_msix; - - if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || - !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { - DEBUG2(qla_printk(KERN_WARNING, ha, - "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", - ha->pdev->revision, ha->fw_attributes)); - - goto skip_msix; - } + if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && + !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) && + !IS_QLA27XX(ha)) + goto skip_msi; if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && - (ha->pdev->subsystem_device == 0x7040 || + (ha->pdev->subsystem_device == 0x7040 || ha->pdev->subsystem_device == 0x7041 || ha->pdev->subsystem_device == 0x1705)) { - DEBUG2(qla_printk(KERN_WARNING, ha, - "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X, 0x%X).\n", - ha->pdev->subsystem_vendor, - ha->pdev->subsystem_device)); - + ql_log(ql_log_warn, vha, 0x0034, + "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", + ha->pdev->subsystem_vendor, + ha->pdev->subsystem_device); goto skip_msi; } + if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { + ql_log(ql_log_warn, vha, 0x0035, + "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", + ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); + goto skip_msix; + } + ret = qla24xx_enable_msix(ha, rsp); if (!ret) { - DEBUG2(qla_printk(KERN_INFO, ha, - "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, - ha->fw_attributes)); + ql_dbg(ql_dbg_init, vha, 0x0036, + "MSI-X: Enabled (0x%X, 0x%X).\n", + ha->chip_revision, ha->fw_attributes); goto clear_risc_ints; } - qla_printk(KERN_WARNING, ha, - "MSI-X: Falling back-to INTa mode -- %d.\n", ret); + skip_msix: + ql_log(ql_log_info, vha, 0x0037, + "Falling back-to MSI mode -%d.\n", ret); + if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && - !IS_QLA8001(ha)) + !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && + !IS_QLA27XX(ha)) goto skip_msi; ret = pci_enable_msi(ha->pdev); if (!ret) { - DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); + ql_dbg(ql_dbg_init, vha, 0x0038, + "MSI: Enabled.\n"); ha->flags.msi_enabled = 1; - } + } else + ql_log(ql_log_warn, vha, 0x0039, + "Falling back-to INTa mode -- %d.\n", ret); skip_msi: + /* Skip INTx on ISP82xx. */ + if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) + return QLA_FUNCTION_FAILED; + ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, - IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, rsp); + ha->flags.msi_enabled ? 0 : IRQF_SHARED, + QLA2XXX_DRIVER_NAME, rsp); if (ret) { - qla_printk(KERN_WARNING, ha, + ql_log(ql_log_warn, vha, 0x003a, "Failed to reserve interrupt %d already in use.\n", ha->pdev->irq); goto fail; + } else if (!ha->flags.msi_enabled) { + ql_dbg(ql_dbg_init, vha, 0x0125, + "INTa mode: Enabled.\n"); + ha->flags.mr_intr_valid = 1; } - ha->flags.inta_enabled = 1; + clear_risc_ints: - /* - * FIXME: Noted that 8014s were being dropped during NK testing. - * Timing deltas during MSI-X/INTa transitions? - */ - if (IS_QLA81XX(ha)) - goto fail; spin_lock_irq(&ha->hardware_lock); - if (IS_FWI2_CAPABLE(ha)) { - WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); - WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); - } else { + if (!IS_FWI2_CAPABLE(ha)) WRT_REG_WORD(®->isp.semaphore, 0); - WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); - WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); - } spin_unlock_irq(&ha->hardware_lock); fail: @@ -2064,71 +3117,42 @@ void qla2x00_free_irqs(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; - struct rsp_que *rsp = ha->rsp_q_map[0]; + struct rsp_que *rsp; + + /* + * We need to check that ha->rsp_q_map is valid in case we are called + * from a probe failure context. + */ + if (!ha->rsp_q_map || !ha->rsp_q_map[0]) + return; + rsp = ha->rsp_q_map[0]; if (ha->flags.msix_enabled) qla24xx_disable_msix(ha); - else if (ha->flags.inta_enabled) { + else if (ha->flags.msi_enabled) { free_irq(ha->pdev->irq, rsp); pci_disable_msi(ha->pdev); - } + } else + free_irq(ha->pdev->irq, rsp); } -static struct scsi_qla_host * -qla2x00_get_rsp_host(struct rsp_que *rsp) -{ - srb_t *sp; - struct qla_hw_data *ha = rsp->hw; - struct scsi_qla_host *vha = NULL; - struct sts_entry_24xx *pkt; - struct req_que *req; - - if (rsp->id) { - pkt = (struct sts_entry_24xx *) rsp->ring_ptr; - req = rsp->req; - if (pkt && pkt->handle < MAX_OUTSTANDING_COMMANDS) { - sp = req->outstanding_cmds[pkt->handle]; - if (sp) - vha = sp->fcport->vha; - } - } - if (!vha) - /* handle it in base queue */ - vha = pci_get_drvdata(ha->pdev); - - return vha; -} int qla25xx_request_irq(struct rsp_que *rsp) { struct qla_hw_data *ha = rsp->hw; - struct qla_init_msix_entry *intr = &multi_rsp_queue; + struct qla_init_msix_entry *intr = &msix_entries[2]; struct qla_msix_entry *msix = rsp->msix; + scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); int ret; ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); if (ret) { - qla_printk(KERN_WARNING, ha, - "MSI-X: Unable to register handler -- %x/%d.\n", - msix->vector, ret); + ql_log(ql_log_fatal, vha, 0x00e6, + "MSI-X: Unable to register handler -- %x/%d.\n", + msix->vector, ret); return ret; } msix->have_irq = 1; msix->rsp = rsp; return ret; } - -void -qla25xx_wrt_rsp_reg(struct qla_hw_data *ha, uint16_t id, uint16_t index) -{ - device_reg_t __iomem *reg = (void *) ha->mqiobase + QLA_QUE_PAGE * id; - WRT_REG_DWORD(®->isp25mq.rsp_q_out, index); -} - -void -qla24xx_wrt_rsp_reg(struct qla_hw_data *ha, uint16_t id, uint16_t index) -{ - device_reg_t __iomem *reg = (void *) ha->iobase; - WRT_REG_DWORD(®->isp24.rsp_q_out, index); -} - |