Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Andrew Vasquez | fa90c54 | 2005-10-27 11:10:08 -0700 | [diff] [blame] | 2 | * QLogic Fibre Channel HBA Driver |
Andrew Vasquez | 07e264b | 2011-03-30 11:46:23 -0700 | [diff] [blame] | 3 | * Copyright (c) 2003-2011 QLogic Corporation |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
Andrew Vasquez | fa90c54 | 2005-10-27 11:10:08 -0700 | [diff] [blame] | 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | */ |
| 7 | #include "qla_def.h" |
| 8 | |
Andrew Vasquez | 05236a0 | 2007-09-20 14:07:37 -0700 | [diff] [blame] | 9 | #include <linux/delay.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 10 | #include <linux/slab.h> |
Andrew Vasquez | df7baa5 | 2006-10-13 09:33:39 -0700 | [diff] [blame] | 11 | #include <scsi/scsi_tcq.h> |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 12 | #include <scsi/scsi_bsg_fc.h> |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 13 | #include <scsi/scsi_eh.h> |
Andrew Vasquez | df7baa5 | 2006-10-13 09:33:39 -0700 | [diff] [blame] | 14 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 16 | static void qla2x00_process_completed_request(struct scsi_qla_host *, |
| 17 | struct req_que *, uint32_t); |
| 18 | static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 19 | static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 20 | static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, |
| 21 | sts_entry_t *); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 22 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | /** |
| 24 | * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. |
| 25 | * @irq: |
| 26 | * @dev_id: SCSI driver HA context |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | * |
| 28 | * Called by system whenever the host adapter generates an interrupt. |
| 29 | * |
| 30 | * Returns handled flag. |
| 31 | */ |
| 32 | irqreturn_t |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 33 | qla2100_intr_handler(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | { |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 35 | scsi_qla_host_t *vha; |
| 36 | struct qla_hw_data *ha; |
Andrew Vasquez | 3d71644 | 2005-07-06 10:30:26 -0700 | [diff] [blame] | 37 | struct device_reg_2xxx __iomem *reg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | unsigned long iter; |
Seokmann Ju | 14e660e | 2007-09-20 14:07:36 -0700 | [diff] [blame] | 40 | uint16_t hccr; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 41 | uint16_t mb[4]; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 42 | struct rsp_que *rsp; |
Anirban Chakraborty | 43fac4d | 2009-06-10 13:55:11 -0700 | [diff] [blame] | 43 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 45 | rsp = (struct rsp_que *) dev_id; |
| 46 | if (!rsp) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | printk(KERN_INFO |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 48 | "%s(): NULL response queue pointer.\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | return (IRQ_NONE); |
| 50 | } |
| 51 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 52 | ha = rsp->hw; |
Andrew Vasquez | 3d71644 | 2005-07-06 10:30:26 -0700 | [diff] [blame] | 53 | reg = &ha->iobase->isp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | status = 0; |
| 55 | |
Anirban Chakraborty | 43fac4d | 2009-06-10 13:55:11 -0700 | [diff] [blame] | 56 | spin_lock_irqsave(&ha->hardware_lock, flags); |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 57 | vha = pci_get_drvdata(ha->pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | for (iter = 50; iter--; ) { |
Seokmann Ju | 14e660e | 2007-09-20 14:07:36 -0700 | [diff] [blame] | 59 | hccr = RD_REG_WORD(®->hccr); |
| 60 | if (hccr & HCCR_RISC_PAUSE) { |
| 61 | if (pci_channel_offline(ha->pdev)) |
| 62 | break; |
| 63 | |
| 64 | /* |
| 65 | * Issue a "HARD" reset in order for the RISC interrupt |
Justin P. Mattock | a06a0f8 | 2011-06-23 23:22:27 -0700 | [diff] [blame] | 66 | * bit to be cleared. Schedule a big hammer to get |
Seokmann Ju | 14e660e | 2007-09-20 14:07:36 -0700 | [diff] [blame] | 67 | * out of the RISC PAUSED state. |
| 68 | */ |
| 69 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); |
| 70 | RD_REG_WORD(®->hccr); |
| 71 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 72 | ha->isp_ops->fw_dump(vha, 1); |
| 73 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
Seokmann Ju | 14e660e | 2007-09-20 14:07:36 -0700 | [diff] [blame] | 74 | break; |
| 75 | } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | break; |
| 77 | |
| 78 | if (RD_REG_WORD(®->semaphore) & BIT_0) { |
| 79 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); |
| 80 | RD_REG_WORD(®->hccr); |
| 81 | |
| 82 | /* Get mailbox data. */ |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 83 | mb[0] = RD_MAILBOX_REG(ha, reg, 0); |
| 84 | if (mb[0] > 0x3fff && mb[0] < 0x8000) { |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 85 | qla2x00_mbx_completion(vha, mb[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | status |= MBX_INTERRUPT; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 87 | } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { |
| 88 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); |
| 89 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); |
| 90 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 91 | qla2x00_async_event(vha, rsp, mb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | } else { |
| 93 | /*EMPTY*/ |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 94 | ql_dbg(ql_dbg_async, vha, 0x5025, |
| 95 | "Unrecognized interrupt type (%d).\n", |
| 96 | mb[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | } |
| 98 | /* Release mailbox registers. */ |
| 99 | WRT_REG_WORD(®->semaphore, 0); |
| 100 | RD_REG_WORD(®->semaphore); |
| 101 | } else { |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 102 | qla2x00_process_response_queue(rsp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | |
| 104 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); |
| 105 | RD_REG_WORD(®->hccr); |
| 106 | } |
| 107 | } |
Anirban Chakraborty | 43fac4d | 2009-06-10 13:55:11 -0700 | [diff] [blame] | 108 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
| 111 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
Marcus Barrow | 0b05a1f | 2008-01-17 09:02:13 -0800 | [diff] [blame] | 113 | complete(&ha->mbx_intr_comp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | } |
| 115 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | return (IRQ_HANDLED); |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. |
| 121 | * @irq: |
| 122 | * @dev_id: SCSI driver HA context |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | * |
| 124 | * Called by system whenever the host adapter generates an interrupt. |
| 125 | * |
| 126 | * Returns handled flag. |
| 127 | */ |
| 128 | irqreturn_t |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 129 | qla2300_intr_handler(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | { |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 131 | scsi_qla_host_t *vha; |
Andrew Vasquez | 3d71644 | 2005-07-06 10:30:26 -0700 | [diff] [blame] | 132 | struct device_reg_2xxx __iomem *reg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 134 | unsigned long iter; |
| 135 | uint32_t stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | uint16_t hccr; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 137 | uint16_t mb[4]; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 138 | struct rsp_que *rsp; |
| 139 | struct qla_hw_data *ha; |
Anirban Chakraborty | 43fac4d | 2009-06-10 13:55:11 -0700 | [diff] [blame] | 140 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 142 | rsp = (struct rsp_que *) dev_id; |
| 143 | if (!rsp) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | printk(KERN_INFO |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 145 | "%s(): NULL response queue pointer.\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | return (IRQ_NONE); |
| 147 | } |
| 148 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 149 | ha = rsp->hw; |
Andrew Vasquez | 3d71644 | 2005-07-06 10:30:26 -0700 | [diff] [blame] | 150 | reg = &ha->iobase->isp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | status = 0; |
| 152 | |
Anirban Chakraborty | 43fac4d | 2009-06-10 13:55:11 -0700 | [diff] [blame] | 153 | spin_lock_irqsave(&ha->hardware_lock, flags); |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 154 | vha = pci_get_drvdata(ha->pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | for (iter = 50; iter--; ) { |
| 156 | stat = RD_REG_DWORD(®->u.isp2300.host_status); |
| 157 | if (stat & HSR_RISC_PAUSED) { |
Andrew Vasquez | 8588080 | 2009-12-15 21:29:46 -0800 | [diff] [blame] | 158 | if (unlikely(pci_channel_offline(ha->pdev))) |
Seokmann Ju | 14e660e | 2007-09-20 14:07:36 -0700 | [diff] [blame] | 159 | break; |
| 160 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | hccr = RD_REG_WORD(®->hccr); |
| 162 | if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 163 | ql_log(ql_log_warn, vha, 0x5026, |
| 164 | "Parity error -- HCCR=%x, Dumping " |
| 165 | "firmware.\n", hccr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | else |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 167 | ql_log(ql_log_warn, vha, 0x5027, |
| 168 | "RISC paused -- HCCR=%x, Dumping " |
| 169 | "firmware.\n", hccr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | |
| 171 | /* |
| 172 | * Issue a "HARD" reset in order for the RISC |
| 173 | * interrupt bit to be cleared. Schedule a big |
Justin P. Mattock | a06a0f8 | 2011-06-23 23:22:27 -0700 | [diff] [blame] | 174 | * hammer to get out of the RISC PAUSED state. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | */ |
| 176 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); |
| 177 | RD_REG_WORD(®->hccr); |
Andrew Vasquez | 07f3180 | 2006-12-13 19:20:31 -0800 | [diff] [blame] | 178 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 179 | ha->isp_ops->fw_dump(vha, 1); |
| 180 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | break; |
| 182 | } else if ((stat & HSR_RISC_INT) == 0) |
| 183 | break; |
| 184 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | switch (stat & 0xff) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | case 0x1: |
| 187 | case 0x2: |
| 188 | case 0x10: |
| 189 | case 0x11: |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 190 | qla2x00_mbx_completion(vha, MSW(stat)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | status |= MBX_INTERRUPT; |
| 192 | |
| 193 | /* Release mailbox registers. */ |
| 194 | WRT_REG_WORD(®->semaphore, 0); |
| 195 | break; |
| 196 | case 0x12: |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 197 | mb[0] = MSW(stat); |
| 198 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); |
| 199 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); |
| 200 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 201 | qla2x00_async_event(vha, rsp, mb); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 202 | break; |
| 203 | case 0x13: |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 204 | qla2x00_process_response_queue(rsp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | break; |
| 206 | case 0x15: |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 207 | mb[0] = MBA_CMPLT_1_16BIT; |
| 208 | mb[1] = MSW(stat); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 209 | qla2x00_async_event(vha, rsp, mb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | break; |
| 211 | case 0x16: |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 212 | mb[0] = MBA_SCSI_COMPLETION; |
| 213 | mb[1] = MSW(stat); |
| 214 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 215 | qla2x00_async_event(vha, rsp, mb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | break; |
| 217 | default: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 218 | ql_dbg(ql_dbg_async, vha, 0x5028, |
| 219 | "Unrecognized interrupt type (%d).\n", stat & 0xff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | break; |
| 221 | } |
| 222 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); |
| 223 | RD_REG_WORD_RELAXED(®->hccr); |
| 224 | } |
Anirban Chakraborty | 43fac4d | 2009-06-10 13:55:11 -0700 | [diff] [blame] | 225 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
| 228 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
Marcus Barrow | 0b05a1f | 2008-01-17 09:02:13 -0800 | [diff] [blame] | 230 | complete(&ha->mbx_intr_comp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | } |
| 232 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 233 | return (IRQ_HANDLED); |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | * qla2x00_mbx_completion() - Process mailbox command completions. |
| 238 | * @ha: SCSI driver HA context |
| 239 | * @mb0: Mailbox0 register |
| 240 | */ |
| 241 | static void |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 242 | qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 243 | { |
| 244 | uint16_t cnt; |
Andrew Vasquez | 4fa94f8 | 2011-11-18 09:03:09 -0800 | [diff] [blame^] | 245 | uint32_t mboxes; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | uint16_t __iomem *wptr; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 247 | struct qla_hw_data *ha = vha->hw; |
Andrew Vasquez | 3d71644 | 2005-07-06 10:30:26 -0700 | [diff] [blame] | 248 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | |
Andrew Vasquez | 4fa94f8 | 2011-11-18 09:03:09 -0800 | [diff] [blame^] | 250 | /* Read all mbox registers? */ |
| 251 | mboxes = (1 << ha->mbx_count) - 1; |
| 252 | if (!ha->mcp) |
| 253 | ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERRROR.\n"); |
| 254 | else |
| 255 | mboxes = ha->mcp->in_mb; |
| 256 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | /* Load return mailbox registers. */ |
| 258 | ha->flags.mbox_int = 1; |
| 259 | ha->mailbox_out[0] = mb0; |
Andrew Vasquez | 4fa94f8 | 2011-11-18 09:03:09 -0800 | [diff] [blame^] | 260 | mboxes >>= 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); |
| 262 | |
| 263 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 264 | if (IS_QLA2200(ha) && cnt == 8) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); |
Andrew Vasquez | 4fa94f8 | 2011-11-18 09:03:09 -0800 | [diff] [blame^] | 266 | if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); |
Andrew Vasquez | 4fa94f8 | 2011-11-18 09:03:09 -0800 | [diff] [blame^] | 268 | else if (mboxes & BIT_0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 270 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | wptr++; |
Andrew Vasquez | 4fa94f8 | 2011-11-18 09:03:09 -0800 | [diff] [blame^] | 272 | mboxes >>= 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | } |
| 275 | |
Andrew Vasquez | 8a65957 | 2009-02-08 20:50:12 -0800 | [diff] [blame] | 276 | static void |
| 277 | qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) |
| 278 | { |
| 279 | static char *event[] = |
| 280 | { "Complete", "Request Notification", "Time Extension" }; |
| 281 | int rval; |
| 282 | struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; |
| 283 | uint16_t __iomem *wptr; |
| 284 | uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; |
| 285 | |
| 286 | /* Seed data -- mailbox1 -> mailbox7. */ |
| 287 | wptr = (uint16_t __iomem *)®24->mailbox1; |
| 288 | for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) |
| 289 | mb[cnt] = RD_REG_WORD(wptr); |
| 290 | |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 291 | ql_dbg(ql_dbg_async, vha, 0x5021, |
| 292 | "Inter-Driver Commucation %s -- " |
| 293 | "%04x %04x %04x %04x %04x %04x %04x.\n", |
| 294 | event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], |
| 295 | mb[4], mb[5], mb[6]); |
Andrew Vasquez | 8a65957 | 2009-02-08 20:50:12 -0800 | [diff] [blame] | 296 | |
| 297 | /* Acknowledgement needed? [Notify && non-zero timeout]. */ |
| 298 | timeout = (descr >> 8) & 0xf; |
| 299 | if (aen != MBA_IDC_NOTIFY || !timeout) |
| 300 | return; |
| 301 | |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 302 | ql_dbg(ql_dbg_async, vha, 0x5022, |
Joe Perches | d8424f6 | 2011-11-18 09:03:06 -0800 | [diff] [blame] | 303 | "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 304 | vha->host_no, event[aen & 0xff], timeout); |
Andrew Vasquez | 8a65957 | 2009-02-08 20:50:12 -0800 | [diff] [blame] | 305 | |
| 306 | rval = qla2x00_post_idc_ack_work(vha, mb); |
| 307 | if (rval != QLA_SUCCESS) |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 308 | ql_log(ql_log_warn, vha, 0x5023, |
Andrew Vasquez | 8a65957 | 2009-02-08 20:50:12 -0800 | [diff] [blame] | 309 | "IDC failed to post ACK.\n"); |
| 310 | } |
| 311 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 312 | /** |
| 313 | * qla2x00_async_event() - Process aynchronous events. |
| 314 | * @ha: SCSI driver HA context |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 315 | * @mb: Mailbox registers (0 - 3) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | */ |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 317 | void |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 318 | qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | { |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 320 | #define LS_UNKNOWN 2 |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 321 | static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | char *link_speed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | uint16_t handle_cnt; |
Andrew Vasquez | bdab23d | 2009-10-13 15:16:46 -0700 | [diff] [blame] | 324 | uint16_t cnt, mbx; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | uint32_t handles[5]; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 326 | struct qla_hw_data *ha = vha->hw; |
Andrew Vasquez | 3d71644 | 2005-07-06 10:30:26 -0700 | [diff] [blame] | 327 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
Andrew Vasquez | bdab23d | 2009-10-13 15:16:46 -0700 | [diff] [blame] | 328 | struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; |
Andrew Vasquez | bc5c2aa | 2010-12-21 16:00:24 -0800 | [diff] [blame] | 329 | struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 330 | uint32_t rscn_entry, host_pid; |
| 331 | uint8_t rscn_queue_index; |
Harihara Kadayam | 4d4df19 | 2008-04-03 13:13:26 -0700 | [diff] [blame] | 332 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | |
| 334 | /* Setup to process RIO completion. */ |
| 335 | handle_cnt = 0; |
Giridhar Malavali | a908301 | 2010-04-12 17:59:55 -0700 | [diff] [blame] | 336 | if (IS_QLA8XXX_TYPE(ha)) |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 337 | goto skip_rio; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 338 | switch (mb[0]) { |
| 339 | case MBA_SCSI_COMPLETION: |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 340 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | handle_cnt = 1; |
| 342 | break; |
| 343 | case MBA_CMPLT_1_16BIT: |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 344 | handles[0] = mb[1]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 345 | handle_cnt = 1; |
| 346 | mb[0] = MBA_SCSI_COMPLETION; |
| 347 | break; |
| 348 | case MBA_CMPLT_2_16BIT: |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 349 | handles[0] = mb[1]; |
| 350 | handles[1] = mb[2]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | handle_cnt = 2; |
| 352 | mb[0] = MBA_SCSI_COMPLETION; |
| 353 | break; |
| 354 | case MBA_CMPLT_3_16BIT: |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 355 | handles[0] = mb[1]; |
| 356 | handles[1] = mb[2]; |
| 357 | handles[2] = mb[3]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | handle_cnt = 3; |
| 359 | mb[0] = MBA_SCSI_COMPLETION; |
| 360 | break; |
| 361 | case MBA_CMPLT_4_16BIT: |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 362 | handles[0] = mb[1]; |
| 363 | handles[1] = mb[2]; |
| 364 | handles[2] = mb[3]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
| 366 | handle_cnt = 4; |
| 367 | mb[0] = MBA_SCSI_COMPLETION; |
| 368 | break; |
| 369 | case MBA_CMPLT_5_16BIT: |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 370 | handles[0] = mb[1]; |
| 371 | handles[1] = mb[2]; |
| 372 | handles[2] = mb[3]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 373 | handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); |
| 374 | handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); |
| 375 | handle_cnt = 5; |
| 376 | mb[0] = MBA_SCSI_COMPLETION; |
| 377 | break; |
| 378 | case MBA_CMPLT_2_32BIT: |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 379 | handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | handles[1] = le32_to_cpu( |
| 381 | ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | |
| 382 | RD_MAILBOX_REG(ha, reg, 6)); |
| 383 | handle_cnt = 2; |
| 384 | mb[0] = MBA_SCSI_COMPLETION; |
| 385 | break; |
| 386 | default: |
| 387 | break; |
| 388 | } |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 389 | skip_rio: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | switch (mb[0]) { |
| 391 | case MBA_SCSI_COMPLETION: /* Fast Post */ |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 392 | if (!vha->flags.online) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | break; |
| 394 | |
| 395 | for (cnt = 0; cnt < handle_cnt; cnt++) |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 396 | qla2x00_process_completed_request(vha, rsp->req, |
| 397 | handles[cnt]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | break; |
| 399 | |
| 400 | case MBA_RESET: /* Reset */ |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 401 | ql_dbg(ql_dbg_async, vha, 0x5002, |
| 402 | "Asynchronous RESET.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 403 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 404 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | break; |
| 406 | |
| 407 | case MBA_SYSTEM_ERR: /* System Error */ |
Andrew Vasquez | bdab23d | 2009-10-13 15:16:46 -0700 | [diff] [blame] | 408 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox7) : 0; |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 409 | ql_log(ql_log_warn, vha, 0x5003, |
Andrew Vasquez | bdab23d | 2009-10-13 15:16:46 -0700 | [diff] [blame] | 410 | "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " |
| 411 | "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 412 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 413 | ha->isp_ops->fw_dump(vha, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | |
Andrew Vasquez | e428924 | 2007-07-19 15:05:56 -0700 | [diff] [blame] | 415 | if (IS_FWI2_CAPABLE(ha)) { |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 416 | if (mb[1] == 0 && mb[2] == 0) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 417 | ql_log(ql_log_fatal, vha, 0x5004, |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 418 | "Unrecoverable Hardware Error: adapter " |
| 419 | "marked OFFLINE!\n"); |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 420 | vha->flags.online = 0; |
Madhuranath Iyengar | b1d4698 | 2010-09-03 15:20:54 -0700 | [diff] [blame] | 421 | } else { |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 422 | /* Check to see if MPI timeout occurred */ |
Madhuranath Iyengar | b1d4698 | 2010-09-03 15:20:54 -0700 | [diff] [blame] | 423 | if ((mbx & MBX_3) && (ha->flags.port0)) |
| 424 | set_bit(MPI_RESET_NEEDED, |
| 425 | &vha->dpc_flags); |
| 426 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 427 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
Madhuranath Iyengar | b1d4698 | 2010-09-03 15:20:54 -0700 | [diff] [blame] | 428 | } |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 429 | } else if (mb[1] == 0) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 430 | ql_log(ql_log_fatal, vha, 0x5005, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | "Unrecoverable Hardware Error: adapter marked " |
| 432 | "OFFLINE!\n"); |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 433 | vha->flags.online = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 434 | } else |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 435 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | break; |
| 437 | |
| 438 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 439 | ql_log(ql_log_warn, vha, 0x5006, |
| 440 | "ISP Request Transfer Error (%x).\n", mb[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 441 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 442 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | break; |
| 444 | |
| 445 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 446 | ql_log(ql_log_warn, vha, 0x5007, |
| 447 | "ISP Response Transfer Error.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 449 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 450 | break; |
| 451 | |
| 452 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 453 | ql_dbg(ql_dbg_async, vha, 0x5008, |
| 454 | "Asynchronous WAKEUP_THRES.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | break; |
| 456 | |
| 457 | case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 458 | ql_dbg(ql_dbg_async, vha, 0x5009, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 459 | "LIP occurred (%x).\n", mb[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 461 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
| 462 | atomic_set(&vha->loop_state, LOOP_DOWN); |
| 463 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); |
| 464 | qla2x00_mark_all_devices_lost(vha, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | } |
| 466 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 467 | if (vha->vp_idx) { |
| 468 | atomic_set(&vha->vp_state, VP_FAILED); |
| 469 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 470 | } |
| 471 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 472 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
| 473 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 475 | vha->flags.management_server_logged_in = 0; |
| 476 | qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | break; |
| 478 | |
| 479 | case MBA_LOOP_UP: /* Loop Up Event */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 480 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
| 481 | link_speed = link_speeds[0]; |
Andrew Vasquez | d8b4521 | 2006-10-02 12:00:43 -0700 | [diff] [blame] | 482 | ha->link_data_rate = PORT_SPEED_1GB; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 483 | } else { |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 484 | link_speed = link_speeds[LS_UNKNOWN]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | if (mb[1] < 5) |
| 486 | link_speed = link_speeds[mb[1]]; |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 487 | else if (mb[1] == 0x13) |
| 488 | link_speed = link_speeds[5]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 489 | ha->link_data_rate = mb[1]; |
| 490 | } |
| 491 | |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 492 | ql_dbg(ql_dbg_async, vha, 0x500a, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 493 | "LOOP UP detected (%s Gbps).\n", link_speed); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 495 | vha->flags.management_server_logged_in = 0; |
| 496 | qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 497 | break; |
| 498 | |
| 499 | case MBA_LOOP_DOWN: /* Loop Down Event */ |
Andrew Vasquez | bdab23d | 2009-10-13 15:16:46 -0700 | [diff] [blame] | 500 | mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox4) : 0; |
Andrew Vasquez | bc5c2aa | 2010-12-21 16:00:24 -0800 | [diff] [blame] | 501 | mbx = IS_QLA82XX(ha) ? RD_REG_WORD(®82->mailbox_out[4]) : mbx; |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 502 | ql_dbg(ql_dbg_async, vha, 0x500b, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 503 | "LOOP DOWN detected (%x %x %x %x).\n", |
| 504 | mb[1], mb[2], mb[3], mbx); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 506 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
| 507 | atomic_set(&vha->loop_state, LOOP_DOWN); |
| 508 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); |
| 509 | vha->device_flags |= DFLG_NO_CABLE; |
| 510 | qla2x00_mark_all_devices_lost(vha, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 511 | } |
| 512 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 513 | if (vha->vp_idx) { |
| 514 | atomic_set(&vha->vp_state, VP_FAILED); |
| 515 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 516 | } |
| 517 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 518 | vha->flags.management_server_logged_in = 0; |
Andrew Vasquez | d8b4521 | 2006-10-02 12:00:43 -0700 | [diff] [blame] | 519 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 520 | qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 521 | break; |
| 522 | |
| 523 | case MBA_LIP_RESET: /* LIP reset occurred */ |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 524 | ql_dbg(ql_dbg_async, vha, 0x500c, |
Bjorn Helgaas | cc3ef7b | 2008-09-11 21:22:51 -0700 | [diff] [blame] | 525 | "LIP reset occurred (%x).\n", mb[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 526 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 527 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
| 528 | atomic_set(&vha->loop_state, LOOP_DOWN); |
| 529 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); |
| 530 | qla2x00_mark_all_devices_lost(vha, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | } |
| 532 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 533 | if (vha->vp_idx) { |
| 534 | atomic_set(&vha->vp_state, VP_FAILED); |
| 535 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 536 | } |
| 537 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 538 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | |
| 540 | ha->operating_mode = LOOP; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 541 | vha->flags.management_server_logged_in = 0; |
| 542 | qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 543 | break; |
| 544 | |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 545 | /* case MBA_DCBX_COMPLETE: */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 546 | case MBA_POINT_TO_POINT: /* Point-to-Point */ |
| 547 | if (IS_QLA2100(ha)) |
| 548 | break; |
| 549 | |
Sarang Radke | 23f2ebd | 2010-05-28 15:08:21 -0700 | [diff] [blame] | 550 | if (IS_QLA8XXX_TYPE(ha)) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 551 | ql_dbg(ql_dbg_async, vha, 0x500d, |
| 552 | "DCBX Completed -- %04x %04x %04x.\n", |
| 553 | mb[1], mb[2], mb[3]); |
Sarang Radke | 23f2ebd | 2010-05-28 15:08:21 -0700 | [diff] [blame] | 554 | if (ha->notify_dcbx_comp) |
| 555 | complete(&ha->dcbx_comp); |
| 556 | |
| 557 | } else |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 558 | ql_dbg(ql_dbg_async, vha, 0x500e, |
| 559 | "Asynchronous P2P MODE received.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 560 | |
| 561 | /* |
| 562 | * Until there's a transition from loop down to loop up, treat |
| 563 | * this as loop down only. |
| 564 | */ |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 565 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
| 566 | atomic_set(&vha->loop_state, LOOP_DOWN); |
| 567 | if (!atomic_read(&vha->loop_down_timer)) |
| 568 | atomic_set(&vha->loop_down_timer, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | LOOP_DOWN_TIME); |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 570 | qla2x00_mark_all_devices_lost(vha, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 571 | } |
| 572 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 573 | if (vha->vp_idx) { |
| 574 | atomic_set(&vha->vp_state, VP_FAILED); |
| 575 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 576 | } |
| 577 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 578 | if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) |
| 579 | set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
| 580 | |
| 581 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); |
| 582 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); |
Andrew Vasquez | 4346b14 | 2006-12-13 19:20:28 -0800 | [diff] [blame] | 583 | |
| 584 | ha->flags.gpsc_supported = 1; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 585 | vha->flags.management_server_logged_in = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 586 | break; |
| 587 | |
| 588 | case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ |
| 589 | if (IS_QLA2100(ha)) |
| 590 | break; |
| 591 | |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 592 | ql_dbg(ql_dbg_async, vha, 0x500f, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | "Configuration change detected: value=%x.\n", mb[1]); |
| 594 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 595 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
| 596 | atomic_set(&vha->loop_state, LOOP_DOWN); |
| 597 | if (!atomic_read(&vha->loop_down_timer)) |
| 598 | atomic_set(&vha->loop_down_timer, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | LOOP_DOWN_TIME); |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 600 | qla2x00_mark_all_devices_lost(vha, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 601 | } |
| 602 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 603 | if (vha->vp_idx) { |
| 604 | atomic_set(&vha->vp_state, VP_FAILED); |
| 605 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 606 | } |
| 607 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 608 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
| 609 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 610 | break; |
| 611 | |
| 612 | case MBA_PORT_UPDATE: /* Port database update */ |
Santosh Vernekar | 55903b9 | 2009-07-31 15:09:25 -0700 | [diff] [blame] | 613 | /* |
| 614 | * Handle only global and vn-port update events |
| 615 | * |
| 616 | * Relevant inputs: |
| 617 | * mb[1] = N_Port handle of changed port |
| 618 | * OR 0xffff for global event |
| 619 | * mb[2] = New login state |
| 620 | * 7 = Port logged out |
| 621 | * mb[3] = LSB is vp_idx, 0xff = all vps |
| 622 | * |
| 623 | * Skip processing if: |
| 624 | * Event is global, vp_idx is NOT all vps, |
| 625 | * vp_idx does not match |
| 626 | * Event is not global, vp_idx does not match |
| 627 | */ |
Andrew Vasquez | 12cec63e4 | 2010-03-19 16:59:17 -0700 | [diff] [blame] | 628 | if (IS_QLA2XXX_MIDTYPE(ha) && |
| 629 | ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || |
| 630 | (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) |
| 631 | break; |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 632 | |
Andrew Vasquez | 9764ff8 | 2009-07-31 15:09:24 -0700 | [diff] [blame] | 633 | /* Global event -- port logout or port unavailable. */ |
| 634 | if (mb[1] == 0xffff && mb[2] == 0x7) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 635 | ql_dbg(ql_dbg_async, vha, 0x5010, |
| 636 | "Port unavailable %04x %04x %04x.\n", |
| 637 | mb[1], mb[2], mb[3]); |
Andrew Vasquez | 9764ff8 | 2009-07-31 15:09:24 -0700 | [diff] [blame] | 638 | |
| 639 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { |
| 640 | atomic_set(&vha->loop_state, LOOP_DOWN); |
| 641 | atomic_set(&vha->loop_down_timer, |
| 642 | LOOP_DOWN_TIME); |
| 643 | vha->device_flags |= DFLG_NO_CABLE; |
| 644 | qla2x00_mark_all_devices_lost(vha, 1); |
| 645 | } |
| 646 | |
| 647 | if (vha->vp_idx) { |
| 648 | atomic_set(&vha->vp_state, VP_FAILED); |
| 649 | fc_vport_set_state(vha->fc_vport, |
| 650 | FC_VPORT_FAILED); |
Santosh Vernekar | faadc5e | 2009-07-31 15:09:26 -0700 | [diff] [blame] | 651 | qla2x00_mark_all_devices_lost(vha, 1); |
Andrew Vasquez | 9764ff8 | 2009-07-31 15:09:24 -0700 | [diff] [blame] | 652 | } |
| 653 | |
| 654 | vha->flags.management_server_logged_in = 0; |
| 655 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
| 656 | break; |
| 657 | } |
| 658 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 659 | /* |
Bjorn Helgaas | cc3ef7b | 2008-09-11 21:22:51 -0700 | [diff] [blame] | 660 | * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 661 | * event etc. earlier indicating loop is down) then process |
| 662 | * it. Otherwise ignore it and Wait for RSCN to come in. |
| 663 | */ |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 664 | atomic_set(&vha->loop_down_timer, 0); |
| 665 | if (atomic_read(&vha->loop_state) != LOOP_DOWN && |
| 666 | atomic_read(&vha->loop_state) != LOOP_DEAD) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 667 | ql_dbg(ql_dbg_async, vha, 0x5011, |
| 668 | "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", |
| 669 | mb[1], mb[2], mb[3]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 670 | break; |
| 671 | } |
| 672 | |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 673 | ql_dbg(ql_dbg_async, vha, 0x5012, |
| 674 | "Port database changed %04x %04x %04x.\n", |
| 675 | mb[1], mb[2], mb[3]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 676 | |
| 677 | /* |
| 678 | * Mark all devices as missing so we will login again. |
| 679 | */ |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 680 | atomic_set(&vha->loop_state, LOOP_UP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 682 | qla2x00_mark_all_devices_lost(vha, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 683 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 684 | vha->flags.rscn_queue_overflow = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 685 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 686 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
| 687 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 688 | break; |
| 689 | |
| 690 | case MBA_RSCN_UPDATE: /* State Change Registration */ |
Seokmann Ju | 3c39740 | 2008-05-19 14:25:39 -0700 | [diff] [blame] | 691 | /* Check if the Vport has issued a SCR */ |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 692 | if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) |
Seokmann Ju | 3c39740 | 2008-05-19 14:25:39 -0700 | [diff] [blame] | 693 | break; |
| 694 | /* Only handle SCNs for our Vport index. */ |
Andrew Vasquez | 0d6e61b | 2009-08-25 11:36:19 -0700 | [diff] [blame] | 695 | if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) |
Seokmann Ju | 3c39740 | 2008-05-19 14:25:39 -0700 | [diff] [blame] | 696 | break; |
Andrew Vasquez | 0d6e61b | 2009-08-25 11:36:19 -0700 | [diff] [blame] | 697 | |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 698 | ql_dbg(ql_dbg_async, vha, 0x5013, |
| 699 | "RSCN database changed -- %04x %04x %04x.\n", |
| 700 | mb[1], mb[2], mb[3]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 701 | |
Ravi Anand | 59d72d8 | 2008-09-11 21:22:53 -0700 | [diff] [blame] | 702 | rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 703 | host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) |
| 704 | | vha->d_id.b.al_pa; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 705 | if (rscn_entry == host_pid) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 706 | ql_dbg(ql_dbg_async, vha, 0x5014, |
| 707 | "Ignoring RSCN update to local host " |
| 708 | "port ID (%06x).\n", host_pid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 709 | break; |
| 710 | } |
| 711 | |
Ravi Anand | 59d72d8 | 2008-09-11 21:22:53 -0700 | [diff] [blame] | 712 | /* Ignore reserved bits from RSCN-payload. */ |
| 713 | rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 714 | rscn_queue_index = vha->rscn_in_ptr + 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 715 | if (rscn_queue_index == MAX_RSCN_COUNT) |
| 716 | rscn_queue_index = 0; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 717 | if (rscn_queue_index != vha->rscn_out_ptr) { |
| 718 | vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; |
| 719 | vha->rscn_in_ptr = rscn_queue_index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 720 | } else { |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 721 | vha->flags.rscn_queue_overflow = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 722 | } |
| 723 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 724 | atomic_set(&vha->loop_down_timer, 0); |
| 725 | vha->flags.management_server_logged_in = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 726 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 727 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
| 728 | set_bit(RSCN_UPDATE, &vha->dpc_flags); |
| 729 | qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 730 | break; |
| 731 | |
| 732 | /* case MBA_RIO_RESPONSE: */ |
| 733 | case MBA_ZIO_RESPONSE: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 734 | ql_dbg(ql_dbg_async, vha, 0x5015, |
| 735 | "[R|Z]IO update completion.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 736 | |
Andrew Vasquez | e428924 | 2007-07-19 15:05:56 -0700 | [diff] [blame] | 737 | if (IS_FWI2_CAPABLE(ha)) |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 738 | qla24xx_process_response_queue(vha, rsp); |
Andrew Vasquez | 4fdfefe | 2005-10-27 11:09:48 -0700 | [diff] [blame] | 739 | else |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 740 | qla2x00_process_response_queue(rsp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 741 | break; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 742 | |
| 743 | case MBA_DISCARD_RND_FRAME: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 744 | ql_dbg(ql_dbg_async, vha, 0x5016, |
| 745 | "Discard RND Frame -- %04x %04x %04x.\n", |
| 746 | mb[1], mb[2], mb[3]); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 747 | break; |
Andrew Vasquez | 45ebeb5 | 2006-08-01 13:48:14 -0700 | [diff] [blame] | 748 | |
| 749 | case MBA_TRACE_NOTIFICATION: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 750 | ql_dbg(ql_dbg_async, vha, 0x5017, |
| 751 | "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); |
Andrew Vasquez | 45ebeb5 | 2006-08-01 13:48:14 -0700 | [diff] [blame] | 752 | break; |
Harihara Kadayam | 4d4df19 | 2008-04-03 13:13:26 -0700 | [diff] [blame] | 753 | |
| 754 | case MBA_ISP84XX_ALERT: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 755 | ql_dbg(ql_dbg_async, vha, 0x5018, |
| 756 | "ISP84XX Alert Notification -- %04x %04x %04x.\n", |
| 757 | mb[1], mb[2], mb[3]); |
Harihara Kadayam | 4d4df19 | 2008-04-03 13:13:26 -0700 | [diff] [blame] | 758 | |
| 759 | spin_lock_irqsave(&ha->cs84xx->access_lock, flags); |
| 760 | switch (mb[1]) { |
| 761 | case A84_PANIC_RECOVERY: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 762 | ql_log(ql_log_info, vha, 0x5019, |
| 763 | "Alert 84XX: panic recovery %04x %04x.\n", |
| 764 | mb[2], mb[3]); |
Harihara Kadayam | 4d4df19 | 2008-04-03 13:13:26 -0700 | [diff] [blame] | 765 | break; |
| 766 | case A84_OP_LOGIN_COMPLETE: |
| 767 | ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 768 | ql_log(ql_log_info, vha, 0x501a, |
| 769 | "Alert 84XX: firmware version %x.\n", |
| 770 | ha->cs84xx->op_fw_version); |
Harihara Kadayam | 4d4df19 | 2008-04-03 13:13:26 -0700 | [diff] [blame] | 771 | break; |
| 772 | case A84_DIAG_LOGIN_COMPLETE: |
| 773 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 774 | ql_log(ql_log_info, vha, 0x501b, |
| 775 | "Alert 84XX: diagnostic firmware version %x.\n", |
| 776 | ha->cs84xx->diag_fw_version); |
Harihara Kadayam | 4d4df19 | 2008-04-03 13:13:26 -0700 | [diff] [blame] | 777 | break; |
| 778 | case A84_GOLD_LOGIN_COMPLETE: |
| 779 | ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; |
| 780 | ha->cs84xx->fw_update = 1; |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 781 | ql_log(ql_log_info, vha, 0x501c, |
| 782 | "Alert 84XX: gold firmware version %x.\n", |
| 783 | ha->cs84xx->gold_fw_version); |
Harihara Kadayam | 4d4df19 | 2008-04-03 13:13:26 -0700 | [diff] [blame] | 784 | break; |
| 785 | default: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 786 | ql_log(ql_log_warn, vha, 0x501d, |
| 787 | "Alert 84xx: Invalid Alert %04x %04x %04x.\n", |
Harihara Kadayam | 4d4df19 | 2008-04-03 13:13:26 -0700 | [diff] [blame] | 788 | mb[1], mb[2], mb[3]); |
| 789 | } |
| 790 | spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); |
| 791 | break; |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 792 | case MBA_DCBX_START: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 793 | ql_dbg(ql_dbg_async, vha, 0x501e, |
| 794 | "DCBX Started -- %04x %04x %04x.\n", |
| 795 | mb[1], mb[2], mb[3]); |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 796 | break; |
| 797 | case MBA_DCBX_PARAM_UPDATE: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 798 | ql_dbg(ql_dbg_async, vha, 0x501f, |
| 799 | "DCBX Parameters Updated -- %04x %04x %04x.\n", |
| 800 | mb[1], mb[2], mb[3]); |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 801 | break; |
| 802 | case MBA_FCF_CONF_ERR: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 803 | ql_dbg(ql_dbg_async, vha, 0x5020, |
| 804 | "FCF Configuration Error -- %04x %04x %04x.\n", |
| 805 | mb[1], mb[2], mb[3]); |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 806 | break; |
| 807 | case MBA_IDC_COMPLETE: |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 808 | case MBA_IDC_NOTIFY: |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 809 | case MBA_IDC_TIME_EXT: |
Andrew Vasquez | 8a65957 | 2009-02-08 20:50:12 -0800 | [diff] [blame] | 810 | qla81xx_idc_event(vha, mb[0], mb[1]); |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 811 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 812 | } |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 813 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 814 | if (!vha->vp_idx && ha->num_vhosts) |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 815 | qla2x00_alert_all_vps(rsp, mb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 816 | } |
| 817 | |
| 818 | /** |
| 819 | * qla2x00_process_completed_request() - Process a Fast Post response. |
| 820 | * @ha: SCSI driver HA context |
| 821 | * @index: SRB index |
| 822 | */ |
| 823 | static void |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 824 | qla2x00_process_completed_request(struct scsi_qla_host *vha, |
| 825 | struct req_que *req, uint32_t index) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | { |
| 827 | srb_t *sp; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 828 | struct qla_hw_data *ha = vha->hw; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 829 | |
| 830 | /* Validate handle. */ |
| 831 | if (index >= MAX_OUTSTANDING_COMMANDS) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 832 | ql_log(ql_log_warn, vha, 0x3014, |
| 833 | "Invalid SCSI command index (%x).\n", index); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 834 | |
Giridhar Malavali | 8f7daea | 2011-03-30 11:46:26 -0700 | [diff] [blame] | 835 | if (IS_QLA82XX(ha)) |
| 836 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); |
| 837 | else |
| 838 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 839 | return; |
| 840 | } |
| 841 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 842 | sp = req->outstanding_cmds[index]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 843 | if (sp) { |
| 844 | /* Free outstanding command slot. */ |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 845 | req->outstanding_cmds[index] = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 846 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 847 | /* Save ISP completion status */ |
| 848 | sp->cmd->result = DID_OK << 16; |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 849 | qla2x00_sp_compl(ha, sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 850 | } else { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 851 | ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 852 | |
Giridhar Malavali | 8f7daea | 2011-03-30 11:46:26 -0700 | [diff] [blame] | 853 | if (IS_QLA82XX(ha)) |
| 854 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); |
| 855 | else |
| 856 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 857 | } |
| 858 | } |
| 859 | |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 860 | static srb_t * |
| 861 | qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, |
| 862 | struct req_que *req, void *iocb) |
| 863 | { |
| 864 | struct qla_hw_data *ha = vha->hw; |
| 865 | sts_entry_t *pkt = iocb; |
| 866 | srb_t *sp = NULL; |
| 867 | uint16_t index; |
| 868 | |
| 869 | index = LSW(pkt->handle); |
| 870 | if (index >= MAX_OUTSTANDING_COMMANDS) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 871 | ql_log(ql_log_warn, vha, 0x5031, |
| 872 | "Invalid command index (%x).\n", index); |
Giridhar Malavali | 8f7daea | 2011-03-30 11:46:26 -0700 | [diff] [blame] | 873 | if (IS_QLA82XX(ha)) |
| 874 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); |
| 875 | else |
| 876 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 877 | goto done; |
| 878 | } |
| 879 | sp = req->outstanding_cmds[index]; |
| 880 | if (!sp) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 881 | ql_log(ql_log_warn, vha, 0x5032, |
| 882 | "Invalid completion handle (%x) -- timed-out.\n", index); |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 883 | return sp; |
| 884 | } |
| 885 | if (sp->handle != index) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 886 | ql_log(ql_log_warn, vha, 0x5033, |
| 887 | "SRB handle (%x) mismatch %x.\n", sp->handle, index); |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 888 | return NULL; |
| 889 | } |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 890 | |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 891 | req->outstanding_cmds[index] = NULL; |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 892 | |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 893 | done: |
| 894 | return sp; |
| 895 | } |
| 896 | |
| 897 | static void |
| 898 | qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, |
| 899 | struct mbx_entry *mbx) |
| 900 | { |
| 901 | const char func[] = "MBX-IOCB"; |
| 902 | const char *type; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 903 | fc_port_t *fcport; |
| 904 | srb_t *sp; |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 905 | struct srb_iocb *lio; |
| 906 | struct srb_ctx *ctx; |
Andrew Vasquez | 99b0bec | 2010-05-04 15:01:25 -0700 | [diff] [blame] | 907 | uint16_t *data; |
Andrew Vasquez | 5ff1d58 | 2010-05-04 15:01:26 -0700 | [diff] [blame] | 908 | uint16_t status; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 909 | |
| 910 | sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); |
| 911 | if (!sp) |
| 912 | return; |
| 913 | |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 914 | ctx = sp->ctx; |
| 915 | lio = ctx->u.iocb_cmd; |
| 916 | type = ctx->name; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 917 | fcport = sp->fcport; |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 918 | data = lio->u.logio.data; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 919 | |
Andrew Vasquez | 5ff1d58 | 2010-05-04 15:01:26 -0700 | [diff] [blame] | 920 | data[0] = MBS_COMMAND_ERROR; |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 921 | data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? |
Andrew Vasquez | 5ff1d58 | 2010-05-04 15:01:26 -0700 | [diff] [blame] | 922 | QLA_LOGIO_LOGIN_RETRIED : 0; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 923 | if (mbx->entry_status) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 924 | ql_dbg(ql_dbg_async, vha, 0x5043, |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 925 | "Async-%s error entry - hdl=%x portid=%02x%02x%02x " |
Andrew Vasquez | d3fa9e7 | 2010-05-28 15:08:16 -0700 | [diff] [blame] | 926 | "entry-status=%x status=%x state-flag=%x " |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 927 | "status-flags=%x.\n", type, sp->handle, |
| 928 | fcport->d_id.b.domain, fcport->d_id.b.area, |
Andrew Vasquez | d3fa9e7 | 2010-05-28 15:08:16 -0700 | [diff] [blame] | 929 | fcport->d_id.b.al_pa, mbx->entry_status, |
| 930 | le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 931 | le16_to_cpu(mbx->status_flags)); |
Andrew Vasquez | d3fa9e7 | 2010-05-28 15:08:16 -0700 | [diff] [blame] | 932 | |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 933 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 934 | (uint8_t *)mbx, sizeof(*mbx)); |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 935 | |
Andrew Vasquez | 99b0bec | 2010-05-04 15:01:25 -0700 | [diff] [blame] | 936 | goto logio_done; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 937 | } |
| 938 | |
Andrew Vasquez | 5ff1d58 | 2010-05-04 15:01:26 -0700 | [diff] [blame] | 939 | status = le16_to_cpu(mbx->status); |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 940 | if (status == 0x30 && ctx->type == SRB_LOGIN_CMD && |
Andrew Vasquez | 5ff1d58 | 2010-05-04 15:01:26 -0700 | [diff] [blame] | 941 | le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) |
| 942 | status = 0; |
| 943 | if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 944 | ql_dbg(ql_dbg_async, vha, 0x5045, |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 945 | "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", |
| 946 | type, sp->handle, fcport->d_id.b.domain, |
| 947 | fcport->d_id.b.area, fcport->d_id.b.al_pa, |
| 948 | le16_to_cpu(mbx->mb1)); |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 949 | |
| 950 | data[0] = MBS_COMMAND_COMPLETE; |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 951 | if (ctx->type == SRB_LOGIN_CMD) { |
Andrew Vasquez | 99b0bec | 2010-05-04 15:01:25 -0700 | [diff] [blame] | 952 | fcport->port_type = FCT_TARGET; |
| 953 | if (le16_to_cpu(mbx->mb1) & BIT_0) |
| 954 | fcport->port_type = FCT_INITIATOR; |
Andrew Vasquez | 6ac5260 | 2010-05-28 15:08:19 -0700 | [diff] [blame] | 955 | else if (le16_to_cpu(mbx->mb1) & BIT_1) |
Andrew Vasquez | 99b0bec | 2010-05-04 15:01:25 -0700 | [diff] [blame] | 956 | fcport->flags |= FCF_FCP2_DEVICE; |
Andrew Vasquez | 5ff1d58 | 2010-05-04 15:01:26 -0700 | [diff] [blame] | 957 | } |
Andrew Vasquez | 99b0bec | 2010-05-04 15:01:25 -0700 | [diff] [blame] | 958 | goto logio_done; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 959 | } |
| 960 | |
| 961 | data[0] = le16_to_cpu(mbx->mb0); |
| 962 | switch (data[0]) { |
| 963 | case MBS_PORT_ID_USED: |
| 964 | data[1] = le16_to_cpu(mbx->mb1); |
| 965 | break; |
| 966 | case MBS_LOOP_ID_USED: |
| 967 | break; |
| 968 | default: |
| 969 | data[0] = MBS_COMMAND_ERROR; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 970 | break; |
| 971 | } |
| 972 | |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 973 | ql_log(ql_log_warn, vha, 0x5046, |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 974 | "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " |
| 975 | "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, |
| 976 | fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, |
| 977 | status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 978 | le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 979 | le16_to_cpu(mbx->mb7)); |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 980 | |
Andrew Vasquez | 99b0bec | 2010-05-04 15:01:25 -0700 | [diff] [blame] | 981 | logio_done: |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 982 | lio->done(sp); |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 983 | } |
| 984 | |
| 985 | static void |
Harish Zunjarrao | 9bc4f4f | 2010-07-23 15:28:32 +0500 | [diff] [blame] | 986 | qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, |
| 987 | sts_entry_t *pkt, int iocb_type) |
| 988 | { |
| 989 | const char func[] = "CT_IOCB"; |
| 990 | const char *type; |
| 991 | struct qla_hw_data *ha = vha->hw; |
| 992 | srb_t *sp; |
| 993 | struct srb_ctx *sp_bsg; |
| 994 | struct fc_bsg_job *bsg_job; |
| 995 | uint16_t comp_status; |
| 996 | |
| 997 | sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); |
| 998 | if (!sp) |
| 999 | return; |
| 1000 | |
| 1001 | sp_bsg = sp->ctx; |
| 1002 | bsg_job = sp_bsg->u.bsg_job; |
| 1003 | |
| 1004 | type = NULL; |
| 1005 | switch (sp_bsg->type) { |
| 1006 | case SRB_CT_CMD: |
| 1007 | type = "ct pass-through"; |
| 1008 | break; |
| 1009 | default: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1010 | ql_log(ql_log_warn, vha, 0x5047, |
| 1011 | "Unrecognized SRB: (%p) type=%d.\n", sp, sp_bsg->type); |
Harish Zunjarrao | 9bc4f4f | 2010-07-23 15:28:32 +0500 | [diff] [blame] | 1012 | return; |
| 1013 | } |
| 1014 | |
| 1015 | comp_status = le16_to_cpu(pkt->comp_status); |
| 1016 | |
| 1017 | /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT |
| 1018 | * fc payload to the caller |
| 1019 | */ |
| 1020 | bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; |
| 1021 | bsg_job->reply_len = sizeof(struct fc_bsg_reply); |
| 1022 | |
| 1023 | if (comp_status != CS_COMPLETE) { |
| 1024 | if (comp_status == CS_DATA_UNDERRUN) { |
| 1025 | bsg_job->reply->result = DID_OK << 16; |
| 1026 | bsg_job->reply->reply_payload_rcv_len = |
| 1027 | le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); |
| 1028 | |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1029 | ql_log(ql_log_warn, vha, 0x5048, |
| 1030 | "CT pass-through-%s error " |
Harish Zunjarrao | 9bc4f4f | 2010-07-23 15:28:32 +0500 | [diff] [blame] | 1031 | "comp_status-status=0x%x total_byte = 0x%x.\n", |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1032 | type, comp_status, |
| 1033 | bsg_job->reply->reply_payload_rcv_len); |
Harish Zunjarrao | 9bc4f4f | 2010-07-23 15:28:32 +0500 | [diff] [blame] | 1034 | } else { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1035 | ql_log(ql_log_warn, vha, 0x5049, |
| 1036 | "CT pass-through-%s error " |
| 1037 | "comp_status-status=0x%x.\n", type, comp_status); |
Harish Zunjarrao | 9bc4f4f | 2010-07-23 15:28:32 +0500 | [diff] [blame] | 1038 | bsg_job->reply->result = DID_ERROR << 16; |
| 1039 | bsg_job->reply->reply_payload_rcv_len = 0; |
| 1040 | } |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1041 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1042 | (uint8_t *)pkt, sizeof(*pkt)); |
Harish Zunjarrao | 9bc4f4f | 2010-07-23 15:28:32 +0500 | [diff] [blame] | 1043 | } else { |
Justin P. Mattock | 6eab04a | 2011-04-08 19:49:08 -0700 | [diff] [blame] | 1044 | bsg_job->reply->result = DID_OK << 16; |
Harish Zunjarrao | 9bc4f4f | 2010-07-23 15:28:32 +0500 | [diff] [blame] | 1045 | bsg_job->reply->reply_payload_rcv_len = |
| 1046 | bsg_job->reply_payload.payload_len; |
| 1047 | bsg_job->reply_len = 0; |
| 1048 | } |
| 1049 | |
| 1050 | dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, |
| 1051 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); |
| 1052 | |
| 1053 | dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list, |
| 1054 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); |
| 1055 | |
| 1056 | if (sp_bsg->type == SRB_ELS_CMD_HST || sp_bsg->type == SRB_CT_CMD) |
| 1057 | kfree(sp->fcport); |
| 1058 | |
| 1059 | kfree(sp->ctx); |
| 1060 | mempool_free(sp, ha->srb_mempool); |
| 1061 | bsg_job->job_done(bsg_job); |
| 1062 | } |
| 1063 | |
| 1064 | static void |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 1065 | qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, |
| 1066 | struct sts_entry_24xx *pkt, int iocb_type) |
| 1067 | { |
| 1068 | const char func[] = "ELS_CT_IOCB"; |
| 1069 | const char *type; |
| 1070 | struct qla_hw_data *ha = vha->hw; |
| 1071 | srb_t *sp; |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 1072 | struct srb_ctx *sp_bsg; |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 1073 | struct fc_bsg_job *bsg_job; |
| 1074 | uint16_t comp_status; |
| 1075 | uint32_t fw_status[3]; |
| 1076 | uint8_t* fw_sts_ptr; |
| 1077 | |
| 1078 | sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); |
| 1079 | if (!sp) |
| 1080 | return; |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 1081 | sp_bsg = sp->ctx; |
| 1082 | bsg_job = sp_bsg->u.bsg_job; |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 1083 | |
| 1084 | type = NULL; |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 1085 | switch (sp_bsg->type) { |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 1086 | case SRB_ELS_CMD_RPT: |
| 1087 | case SRB_ELS_CMD_HST: |
| 1088 | type = "els"; |
| 1089 | break; |
| 1090 | case SRB_CT_CMD: |
| 1091 | type = "ct pass-through"; |
| 1092 | break; |
| 1093 | default: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1094 | ql_log(ql_log_warn, vha, 0x503e, |
| 1095 | "Unrecognized SRB: (%p) type=%d.\n", sp, sp_bsg->type); |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 1096 | return; |
| 1097 | } |
| 1098 | |
| 1099 | comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); |
| 1100 | fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); |
| 1101 | fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); |
| 1102 | |
| 1103 | /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT |
| 1104 | * fc payload to the caller |
| 1105 | */ |
| 1106 | bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; |
| 1107 | bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); |
| 1108 | |
| 1109 | if (comp_status != CS_COMPLETE) { |
| 1110 | if (comp_status == CS_DATA_UNDERRUN) { |
| 1111 | bsg_job->reply->result = DID_OK << 16; |
| 1112 | bsg_job->reply->reply_payload_rcv_len = |
| 1113 | le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count); |
| 1114 | |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1115 | ql_log(ql_log_info, vha, 0x503f, |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1116 | "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 1117 | "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1118 | type, sp->handle, comp_status, fw_status[1], fw_status[2], |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1119 | le16_to_cpu(((struct els_sts_entry_24xx *) |
| 1120 | pkt)->total_byte_count)); |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 1121 | fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); |
| 1122 | memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); |
| 1123 | } |
| 1124 | else { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1125 | ql_log(ql_log_info, vha, 0x5040, |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1126 | "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 1127 | "error subcode 1=0x%x error subcode 2=0x%x.\n", |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1128 | type, sp->handle, comp_status, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1129 | le16_to_cpu(((struct els_sts_entry_24xx *) |
| 1130 | pkt)->error_subcode_1), |
| 1131 | le16_to_cpu(((struct els_sts_entry_24xx *) |
| 1132 | pkt)->error_subcode_2)); |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 1133 | bsg_job->reply->result = DID_ERROR << 16; |
| 1134 | bsg_job->reply->reply_payload_rcv_len = 0; |
| 1135 | fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); |
| 1136 | memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); |
| 1137 | } |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1138 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5056, |
| 1139 | (uint8_t *)pkt, sizeof(*pkt)); |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 1140 | } |
| 1141 | else { |
Justin P. Mattock | 6eab04a | 2011-04-08 19:49:08 -0700 | [diff] [blame] | 1142 | bsg_job->reply->result = DID_OK << 16; |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 1143 | bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; |
| 1144 | bsg_job->reply_len = 0; |
| 1145 | } |
| 1146 | |
| 1147 | dma_unmap_sg(&ha->pdev->dev, |
| 1148 | bsg_job->request_payload.sg_list, |
| 1149 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); |
| 1150 | dma_unmap_sg(&ha->pdev->dev, |
| 1151 | bsg_job->reply_payload.sg_list, |
| 1152 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 1153 | if ((sp_bsg->type == SRB_ELS_CMD_HST) || |
| 1154 | (sp_bsg->type == SRB_CT_CMD)) |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 1155 | kfree(sp->fcport); |
| 1156 | kfree(sp->ctx); |
| 1157 | mempool_free(sp, ha->srb_mempool); |
| 1158 | bsg_job->job_done(bsg_job); |
| 1159 | } |
| 1160 | |
| 1161 | static void |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1162 | qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, |
| 1163 | struct logio_entry_24xx *logio) |
| 1164 | { |
| 1165 | const char func[] = "LOGIO-IOCB"; |
| 1166 | const char *type; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1167 | fc_port_t *fcport; |
| 1168 | srb_t *sp; |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 1169 | struct srb_iocb *lio; |
| 1170 | struct srb_ctx *ctx; |
Andrew Vasquez | 99b0bec | 2010-05-04 15:01:25 -0700 | [diff] [blame] | 1171 | uint16_t *data; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1172 | uint32_t iop[2]; |
| 1173 | |
| 1174 | sp = qla2x00_get_sp_from_handle(vha, func, req, logio); |
| 1175 | if (!sp) |
| 1176 | return; |
| 1177 | |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 1178 | ctx = sp->ctx; |
| 1179 | lio = ctx->u.iocb_cmd; |
| 1180 | type = ctx->name; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1181 | fcport = sp->fcport; |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 1182 | data = lio->u.logio.data; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1183 | |
Andrew Vasquez | 5ff1d58 | 2010-05-04 15:01:26 -0700 | [diff] [blame] | 1184 | data[0] = MBS_COMMAND_ERROR; |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 1185 | data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? |
Andrew Vasquez | 5ff1d58 | 2010-05-04 15:01:26 -0700 | [diff] [blame] | 1186 | QLA_LOGIO_LOGIN_RETRIED : 0; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1187 | if (logio->entry_status) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1188 | ql_log(ql_log_warn, vha, 0x5034, |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1189 | "Async-%s error entry - hdl=%x" |
Andrew Vasquez | d3fa9e7 | 2010-05-28 15:08:16 -0700 | [diff] [blame] | 1190 | "portid=%02x%02x%02x entry-status=%x.\n", |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1191 | type, sp->handle, fcport->d_id.b.domain, |
| 1192 | fcport->d_id.b.area, fcport->d_id.b.al_pa, |
| 1193 | logio->entry_status); |
| 1194 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1195 | (uint8_t *)logio, sizeof(*logio)); |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1196 | |
Andrew Vasquez | 99b0bec | 2010-05-04 15:01:25 -0700 | [diff] [blame] | 1197 | goto logio_done; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1198 | } |
| 1199 | |
| 1200 | if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1201 | ql_dbg(ql_dbg_async, vha, 0x5036, |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1202 | "Async-%s complete - hdl=%x portid=%02x%02x%02x " |
| 1203 | "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain, |
| 1204 | fcport->d_id.b.area, fcport->d_id.b.al_pa, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1205 | le32_to_cpu(logio->io_parameter[0])); |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1206 | |
| 1207 | data[0] = MBS_COMMAND_COMPLETE; |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 1208 | if (ctx->type != SRB_LOGIN_CMD) |
Andrew Vasquez | 99b0bec | 2010-05-04 15:01:25 -0700 | [diff] [blame] | 1209 | goto logio_done; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1210 | |
| 1211 | iop[0] = le32_to_cpu(logio->io_parameter[0]); |
| 1212 | if (iop[0] & BIT_4) { |
| 1213 | fcport->port_type = FCT_TARGET; |
| 1214 | if (iop[0] & BIT_8) |
Santosh Vernekar | 8474f3a | 2009-08-25 11:36:16 -0700 | [diff] [blame] | 1215 | fcport->flags |= FCF_FCP2_DEVICE; |
Andrew Vasquez | b0cd579 | 2010-05-28 15:08:22 -0700 | [diff] [blame] | 1216 | } else if (iop[0] & BIT_5) |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1217 | fcport->port_type = FCT_INITIATOR; |
Andrew Vasquez | b0cd579 | 2010-05-28 15:08:22 -0700 | [diff] [blame] | 1218 | |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1219 | if (logio->io_parameter[7] || logio->io_parameter[8]) |
| 1220 | fcport->supported_classes |= FC_COS_CLASS2; |
| 1221 | if (logio->io_parameter[9] || logio->io_parameter[10]) |
| 1222 | fcport->supported_classes |= FC_COS_CLASS3; |
| 1223 | |
Andrew Vasquez | 99b0bec | 2010-05-04 15:01:25 -0700 | [diff] [blame] | 1224 | goto logio_done; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1225 | } |
| 1226 | |
| 1227 | iop[0] = le32_to_cpu(logio->io_parameter[0]); |
| 1228 | iop[1] = le32_to_cpu(logio->io_parameter[1]); |
| 1229 | switch (iop[0]) { |
| 1230 | case LSC_SCODE_PORTID_USED: |
| 1231 | data[0] = MBS_PORT_ID_USED; |
| 1232 | data[1] = LSW(iop[1]); |
| 1233 | break; |
| 1234 | case LSC_SCODE_NPORT_USED: |
| 1235 | data[0] = MBS_LOOP_ID_USED; |
| 1236 | break; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1237 | default: |
| 1238 | data[0] = MBS_COMMAND_ERROR; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1239 | break; |
| 1240 | } |
| 1241 | |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1242 | ql_dbg(ql_dbg_async, vha, 0x5037, |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1243 | "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x " |
| 1244 | "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain, |
Andrew Vasquez | d3fa9e7 | 2010-05-28 15:08:16 -0700 | [diff] [blame] | 1245 | fcport->d_id.b.area, fcport->d_id.b.al_pa, |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1246 | le16_to_cpu(logio->comp_status), |
| 1247 | le32_to_cpu(logio->io_parameter[0]), |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1248 | le32_to_cpu(logio->io_parameter[1])); |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1249 | |
Andrew Vasquez | 99b0bec | 2010-05-04 15:01:25 -0700 | [diff] [blame] | 1250 | logio_done: |
Madhuranath Iyengar | 4916392 | 2010-05-04 15:01:28 -0700 | [diff] [blame] | 1251 | lio->done(sp); |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1252 | } |
| 1253 | |
Madhuranath Iyengar | 3822263 | 2010-05-04 15:01:29 -0700 | [diff] [blame] | 1254 | static void |
| 1255 | qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, |
| 1256 | struct tsk_mgmt_entry *tsk) |
| 1257 | { |
| 1258 | const char func[] = "TMF-IOCB"; |
| 1259 | const char *type; |
| 1260 | fc_port_t *fcport; |
| 1261 | srb_t *sp; |
| 1262 | struct srb_iocb *iocb; |
| 1263 | struct srb_ctx *ctx; |
| 1264 | struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; |
| 1265 | int error = 1; |
| 1266 | |
| 1267 | sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); |
| 1268 | if (!sp) |
| 1269 | return; |
| 1270 | |
| 1271 | ctx = sp->ctx; |
| 1272 | iocb = ctx->u.iocb_cmd; |
| 1273 | type = ctx->name; |
| 1274 | fcport = sp->fcport; |
| 1275 | |
| 1276 | if (sts->entry_status) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1277 | ql_log(ql_log_warn, vha, 0x5038, |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1278 | "Async-%s error - hdl=%x entry-status(%x).\n", |
| 1279 | type, sp->handle, sts->entry_status); |
Madhuranath Iyengar | 3822263 | 2010-05-04 15:01:29 -0700 | [diff] [blame] | 1280 | } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1281 | ql_log(ql_log_warn, vha, 0x5039, |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1282 | "Async-%s error - hdl=%x completion status(%x).\n", |
| 1283 | type, sp->handle, sts->comp_status); |
Madhuranath Iyengar | 3822263 | 2010-05-04 15:01:29 -0700 | [diff] [blame] | 1284 | } else if (!(le16_to_cpu(sts->scsi_status) & |
| 1285 | SS_RESPONSE_INFO_LEN_VALID)) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1286 | ql_log(ql_log_warn, vha, 0x503a, |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1287 | "Async-%s error - hdl=%x no response info(%x).\n", |
| 1288 | type, sp->handle, sts->scsi_status); |
Madhuranath Iyengar | 3822263 | 2010-05-04 15:01:29 -0700 | [diff] [blame] | 1289 | } else if (le32_to_cpu(sts->rsp_data_len) < 4) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1290 | ql_log(ql_log_warn, vha, 0x503b, |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1291 | "Async-%s error - hdl=%x not enough response(%d).\n", |
| 1292 | type, sp->handle, sts->rsp_data_len); |
Madhuranath Iyengar | 3822263 | 2010-05-04 15:01:29 -0700 | [diff] [blame] | 1293 | } else if (sts->data[3]) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1294 | ql_log(ql_log_warn, vha, 0x503c, |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1295 | "Async-%s error - hdl=%x response(%x).\n", |
| 1296 | type, sp->handle, sts->data[3]); |
Madhuranath Iyengar | 3822263 | 2010-05-04 15:01:29 -0700 | [diff] [blame] | 1297 | } else { |
| 1298 | error = 0; |
| 1299 | } |
| 1300 | |
| 1301 | if (error) { |
| 1302 | iocb->u.tmf.data = error; |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1303 | ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, |
| 1304 | (uint8_t *)sts, sizeof(*sts)); |
Madhuranath Iyengar | 3822263 | 2010-05-04 15:01:29 -0700 | [diff] [blame] | 1305 | } |
| 1306 | |
| 1307 | iocb->done(sp); |
| 1308 | } |
| 1309 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1310 | /** |
| 1311 | * qla2x00_process_response_queue() - Process response queue entries. |
| 1312 | * @ha: SCSI driver HA context |
| 1313 | */ |
| 1314 | void |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 1315 | qla2x00_process_response_queue(struct rsp_que *rsp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1316 | { |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 1317 | struct scsi_qla_host *vha; |
| 1318 | struct qla_hw_data *ha = rsp->hw; |
Andrew Vasquez | 3d71644 | 2005-07-06 10:30:26 -0700 | [diff] [blame] | 1319 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1320 | sts_entry_t *pkt; |
| 1321 | uint16_t handle_cnt; |
| 1322 | uint16_t cnt; |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 1323 | |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 1324 | vha = pci_get_drvdata(ha->pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1325 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 1326 | if (!vha->flags.online) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1327 | return; |
| 1328 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 1329 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
| 1330 | pkt = (sts_entry_t *)rsp->ring_ptr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1331 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 1332 | rsp->ring_index++; |
| 1333 | if (rsp->ring_index == rsp->length) { |
| 1334 | rsp->ring_index = 0; |
| 1335 | rsp->ring_ptr = rsp->ring; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1336 | } else { |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 1337 | rsp->ring_ptr++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1338 | } |
| 1339 | |
| 1340 | if (pkt->entry_status != 0) { |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 1341 | qla2x00_error_entry(vha, rsp, pkt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1342 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
| 1343 | wmb(); |
| 1344 | continue; |
| 1345 | } |
| 1346 | |
| 1347 | switch (pkt->entry_type) { |
| 1348 | case STATUS_TYPE: |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 1349 | qla2x00_status_entry(vha, rsp, pkt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1350 | break; |
| 1351 | case STATUS_TYPE_21: |
| 1352 | handle_cnt = ((sts21_entry_t *)pkt)->handle_count; |
| 1353 | for (cnt = 0; cnt < handle_cnt; cnt++) { |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 1354 | qla2x00_process_completed_request(vha, rsp->req, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1355 | ((sts21_entry_t *)pkt)->handle[cnt]); |
| 1356 | } |
| 1357 | break; |
| 1358 | case STATUS_TYPE_22: |
| 1359 | handle_cnt = ((sts22_entry_t *)pkt)->handle_count; |
| 1360 | for (cnt = 0; cnt < handle_cnt; cnt++) { |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 1361 | qla2x00_process_completed_request(vha, rsp->req, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1362 | ((sts22_entry_t *)pkt)->handle[cnt]); |
| 1363 | } |
| 1364 | break; |
| 1365 | case STATUS_CONT_TYPE: |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 1366 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1367 | break; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 1368 | case MBX_IOCB_TYPE: |
| 1369 | qla2x00_mbx_iocb_entry(vha, rsp->req, |
| 1370 | (struct mbx_entry *)pkt); |
Madhuranath Iyengar | 3822263 | 2010-05-04 15:01:29 -0700 | [diff] [blame] | 1371 | break; |
Harish Zunjarrao | 9bc4f4f | 2010-07-23 15:28:32 +0500 | [diff] [blame] | 1372 | case CT_IOCB_TYPE: |
| 1373 | qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); |
| 1374 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1375 | default: |
| 1376 | /* Type Not Supported. */ |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1377 | ql_log(ql_log_warn, vha, 0x504a, |
| 1378 | "Received unknown response pkt type %x " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1379 | "entry status=%x.\n", |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1380 | pkt->entry_type, pkt->entry_status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1381 | break; |
| 1382 | } |
| 1383 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
| 1384 | wmb(); |
| 1385 | } |
| 1386 | |
| 1387 | /* Adjust ring index */ |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 1388 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1389 | } |
| 1390 | |
Andrew Vasquez | 4733fcb | 2008-01-17 09:02:07 -0800 | [diff] [blame] | 1391 | static inline void |
Andrew Vasquez | 5544213 | 2010-07-23 15:28:27 +0500 | [diff] [blame] | 1392 | qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, |
| 1393 | uint32_t sense_len, struct rsp_que *rsp) |
Andrew Vasquez | 4733fcb | 2008-01-17 09:02:07 -0800 | [diff] [blame] | 1394 | { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1395 | struct scsi_qla_host *vha = sp->fcport->vha; |
Andrew Vasquez | 4733fcb | 2008-01-17 09:02:07 -0800 | [diff] [blame] | 1396 | struct scsi_cmnd *cp = sp->cmd; |
| 1397 | |
| 1398 | if (sense_len >= SCSI_SENSE_BUFFERSIZE) |
| 1399 | sense_len = SCSI_SENSE_BUFFERSIZE; |
| 1400 | |
Andrew Vasquez | 4733fcb | 2008-01-17 09:02:07 -0800 | [diff] [blame] | 1401 | sp->request_sense_length = sense_len; |
| 1402 | sp->request_sense_ptr = cp->sense_buffer; |
Andrew Vasquez | 5544213 | 2010-07-23 15:28:27 +0500 | [diff] [blame] | 1403 | if (sp->request_sense_length > par_sense_len) |
| 1404 | sense_len = par_sense_len; |
Andrew Vasquez | 4733fcb | 2008-01-17 09:02:07 -0800 | [diff] [blame] | 1405 | |
| 1406 | memcpy(cp->sense_buffer, sense_data, sense_len); |
| 1407 | |
| 1408 | sp->request_sense_ptr += sense_len; |
| 1409 | sp->request_sense_length -= sense_len; |
| 1410 | if (sp->request_sense_length != 0) |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 1411 | rsp->status_srb = sp; |
Andrew Vasquez | 4733fcb | 2008-01-17 09:02:07 -0800 | [diff] [blame] | 1412 | |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1413 | if (sense_len) { |
| 1414 | ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, |
| 1415 | "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n", |
| 1416 | sp->fcport->vha->host_no, cp->device->id, cp->device->lun, |
| 1417 | cp); |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1418 | ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, |
| 1419 | cp->sense_buffer, sense_len); |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1420 | } |
Andrew Vasquez | 4733fcb | 2008-01-17 09:02:07 -0800 | [diff] [blame] | 1421 | } |
| 1422 | |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1423 | struct scsi_dif_tuple { |
| 1424 | __be16 guard; /* Checksum */ |
| 1425 | __be16 app_tag; /* APPL identifer */ |
| 1426 | __be32 ref_tag; /* Target LBA or indirect LBA */ |
| 1427 | }; |
| 1428 | |
| 1429 | /* |
| 1430 | * Checks the guard or meta-data for the type of error |
| 1431 | * detected by the HBA. In case of errors, we set the |
| 1432 | * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST |
| 1433 | * to indicate to the kernel that the HBA detected error. |
| 1434 | */ |
Arun Easi | 8cb2049 | 2011-08-16 11:29:22 -0700 | [diff] [blame] | 1435 | static inline int |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1436 | qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) |
| 1437 | { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1438 | struct scsi_qla_host *vha = sp->fcport->vha; |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1439 | struct scsi_cmnd *cmd = sp->cmd; |
Arun Easi | 8cb2049 | 2011-08-16 11:29:22 -0700 | [diff] [blame] | 1440 | uint8_t *ap = &sts24->data[12]; |
| 1441 | uint8_t *ep = &sts24->data[20]; |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1442 | uint32_t e_ref_tag, a_ref_tag; |
| 1443 | uint16_t e_app_tag, a_app_tag; |
| 1444 | uint16_t e_guard, a_guard; |
| 1445 | |
Arun Easi | 8cb2049 | 2011-08-16 11:29:22 -0700 | [diff] [blame] | 1446 | /* |
| 1447 | * swab32 of the "data" field in the beginning of qla2x00_status_entry() |
| 1448 | * would make guard field appear at offset 2 |
| 1449 | */ |
| 1450 | a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); |
| 1451 | a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); |
| 1452 | a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); |
| 1453 | e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); |
| 1454 | e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); |
| 1455 | e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1456 | |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1457 | ql_dbg(ql_dbg_io, vha, 0x3023, |
| 1458 | "iocb(s) %p Returned STATUS.\n", sts24); |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1459 | |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1460 | ql_dbg(ql_dbg_io, vha, 0x3024, |
| 1461 | "DIF ERROR in cmd 0x%x lba 0x%llx act ref" |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1462 | " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1463 | " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1464 | cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1465 | a_app_tag, e_app_tag, a_guard, e_guard); |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1466 | |
Arun Easi | 8cb2049 | 2011-08-16 11:29:22 -0700 | [diff] [blame] | 1467 | /* |
| 1468 | * Ignore sector if: |
| 1469 | * For type 3: ref & app tag is all 'f's |
| 1470 | * For type 0,1,2: app tag is all 'f's |
| 1471 | */ |
| 1472 | if ((a_app_tag == 0xffff) && |
| 1473 | ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || |
| 1474 | (a_ref_tag == 0xffffffff))) { |
| 1475 | uint32_t blocks_done, resid; |
| 1476 | sector_t lba_s = scsi_get_lba(cmd); |
| 1477 | |
| 1478 | /* 2TB boundary case covered automatically with this */ |
| 1479 | blocks_done = e_ref_tag - (uint32_t)lba_s + 1; |
| 1480 | |
| 1481 | resid = scsi_bufflen(cmd) - (blocks_done * |
| 1482 | cmd->device->sector_size); |
| 1483 | |
| 1484 | scsi_set_resid(cmd, resid); |
| 1485 | cmd->result = DID_OK << 16; |
| 1486 | |
| 1487 | /* Update protection tag */ |
| 1488 | if (scsi_prot_sg_count(cmd)) { |
| 1489 | uint32_t i, j = 0, k = 0, num_ent; |
| 1490 | struct scatterlist *sg; |
| 1491 | struct sd_dif_tuple *spt; |
| 1492 | |
| 1493 | /* Patch the corresponding protection tags */ |
| 1494 | scsi_for_each_prot_sg(cmd, sg, |
| 1495 | scsi_prot_sg_count(cmd), i) { |
| 1496 | num_ent = sg_dma_len(sg) / 8; |
| 1497 | if (k + num_ent < blocks_done) { |
| 1498 | k += num_ent; |
| 1499 | continue; |
| 1500 | } |
| 1501 | j = blocks_done - k - 1; |
| 1502 | k = blocks_done; |
| 1503 | break; |
| 1504 | } |
| 1505 | |
| 1506 | if (k != blocks_done) { |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1507 | ql_log(ql_log_warn, vha, 0x302f, |
Randy Dunlap | 8ec9c7f | 2011-09-23 15:40:50 -0700 | [diff] [blame] | 1508 | "unexpected tag values tag:lba=%x:%llx)\n", |
| 1509 | e_ref_tag, (unsigned long long)lba_s); |
Arun Easi | 8cb2049 | 2011-08-16 11:29:22 -0700 | [diff] [blame] | 1510 | return 1; |
| 1511 | } |
| 1512 | |
| 1513 | spt = page_address(sg_page(sg)) + sg->offset; |
| 1514 | spt += j; |
| 1515 | |
| 1516 | spt->app_tag = 0xffff; |
| 1517 | if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) |
| 1518 | spt->ref_tag = 0xffffffff; |
| 1519 | } |
| 1520 | |
| 1521 | return 0; |
| 1522 | } |
| 1523 | |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1524 | /* check guard */ |
| 1525 | if (e_guard != a_guard) { |
| 1526 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, |
| 1527 | 0x10, 0x1); |
| 1528 | set_driver_byte(cmd, DRIVER_SENSE); |
| 1529 | set_host_byte(cmd, DID_ABORT); |
| 1530 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; |
Arun Easi | 8cb2049 | 2011-08-16 11:29:22 -0700 | [diff] [blame] | 1531 | return 1; |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1532 | } |
| 1533 | |
Arun Easi | e02587d | 2011-08-16 11:29:23 -0700 | [diff] [blame] | 1534 | /* check ref tag */ |
| 1535 | if (e_ref_tag != a_ref_tag) { |
| 1536 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, |
| 1537 | 0x10, 0x3); |
| 1538 | set_driver_byte(cmd, DRIVER_SENSE); |
| 1539 | set_host_byte(cmd, DID_ABORT); |
| 1540 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; |
| 1541 | return 1; |
| 1542 | } |
| 1543 | |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1544 | /* check appl tag */ |
| 1545 | if (e_app_tag != a_app_tag) { |
| 1546 | scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, |
| 1547 | 0x10, 0x2); |
| 1548 | set_driver_byte(cmd, DRIVER_SENSE); |
| 1549 | set_host_byte(cmd, DID_ABORT); |
| 1550 | cmd->result |= SAM_STAT_CHECK_CONDITION << 1; |
Arun Easi | 8cb2049 | 2011-08-16 11:29:22 -0700 | [diff] [blame] | 1551 | return 1; |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1552 | } |
| 1553 | |
Arun Easi | 8cb2049 | 2011-08-16 11:29:22 -0700 | [diff] [blame] | 1554 | return 1; |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1555 | } |
| 1556 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1557 | /** |
| 1558 | * qla2x00_status_entry() - Process a Status IOCB entry. |
| 1559 | * @ha: SCSI driver HA context |
| 1560 | * @pkt: Entry pointer |
| 1561 | */ |
| 1562 | static void |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 1563 | qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1564 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1565 | srb_t *sp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1566 | fc_port_t *fcport; |
| 1567 | struct scsi_cmnd *cp; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1568 | sts_entry_t *sts; |
| 1569 | struct sts_entry_24xx *sts24; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1570 | uint16_t comp_status; |
| 1571 | uint16_t scsi_status; |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1572 | uint16_t ox_id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1573 | uint8_t lscsi_status; |
| 1574 | int32_t resid; |
Andrew Vasquez | 5544213 | 2010-07-23 15:28:27 +0500 | [diff] [blame] | 1575 | uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, |
| 1576 | fw_resid_len; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1577 | uint8_t *rsp_info, *sense_data; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 1578 | struct qla_hw_data *ha = vha->hw; |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 1579 | uint32_t handle; |
| 1580 | uint16_t que; |
| 1581 | struct req_que *req; |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1582 | int logit = 1; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1583 | |
| 1584 | sts = (sts_entry_t *) pkt; |
| 1585 | sts24 = (struct sts_entry_24xx *) pkt; |
Andrew Vasquez | e428924 | 2007-07-19 15:05:56 -0700 | [diff] [blame] | 1586 | if (IS_FWI2_CAPABLE(ha)) { |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1587 | comp_status = le16_to_cpu(sts24->comp_status); |
| 1588 | scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; |
| 1589 | } else { |
| 1590 | comp_status = le16_to_cpu(sts->comp_status); |
| 1591 | scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; |
| 1592 | } |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 1593 | handle = (uint32_t) LSW(sts->handle); |
| 1594 | que = MSW(sts->handle); |
| 1595 | req = ha->req_q_map[que]; |
Giridhar Malavali | a908301 | 2010-04-12 17:59:55 -0700 | [diff] [blame] | 1596 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1597 | /* Fast path completion. */ |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1598 | if (comp_status == CS_COMPLETE && scsi_status == 0) { |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 1599 | qla2x00_process_completed_request(vha, req, handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1600 | |
| 1601 | return; |
| 1602 | } |
| 1603 | |
| 1604 | /* Validate handle. */ |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 1605 | if (handle < MAX_OUTSTANDING_COMMANDS) { |
| 1606 | sp = req->outstanding_cmds[handle]; |
| 1607 | req->outstanding_cmds[handle] = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1608 | } else |
| 1609 | sp = NULL; |
| 1610 | |
| 1611 | if (sp == NULL) { |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1612 | ql_dbg(ql_dbg_io, vha, 0x3017, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1613 | "Invalid status handle (0x%x).\n", sts->handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1614 | |
Giridhar Malavali | 8f7daea | 2011-03-30 11:46:26 -0700 | [diff] [blame] | 1615 | if (IS_QLA82XX(ha)) |
| 1616 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); |
| 1617 | else |
| 1618 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 1619 | qla2xxx_wake_dpc(vha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1620 | return; |
| 1621 | } |
| 1622 | cp = sp->cmd; |
| 1623 | if (cp == NULL) { |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1624 | ql_dbg(ql_dbg_io, vha, 0x3018, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1625 | "Command already returned (0x%x/%p).\n", |
| 1626 | sts->handle, sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1627 | |
| 1628 | return; |
| 1629 | } |
| 1630 | |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1631 | lscsi_status = scsi_status & STATUS_MASK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1632 | |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 1633 | fcport = sp->fcport; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1634 | |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1635 | ox_id = 0; |
Andrew Vasquez | 5544213 | 2010-07-23 15:28:27 +0500 | [diff] [blame] | 1636 | sense_len = par_sense_len = rsp_info_len = resid_len = |
| 1637 | fw_resid_len = 0; |
Andrew Vasquez | e428924 | 2007-07-19 15:05:56 -0700 | [diff] [blame] | 1638 | if (IS_FWI2_CAPABLE(ha)) { |
Lalit Chandivade | 0f00a20 | 2009-10-13 15:16:52 -0700 | [diff] [blame] | 1639 | if (scsi_status & SS_SENSE_LEN_VALID) |
| 1640 | sense_len = le32_to_cpu(sts24->sense_len); |
| 1641 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) |
| 1642 | rsp_info_len = le32_to_cpu(sts24->rsp_data_len); |
| 1643 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) |
| 1644 | resid_len = le32_to_cpu(sts24->rsp_residual_count); |
| 1645 | if (comp_status == CS_DATA_UNDERRUN) |
| 1646 | fw_resid_len = le32_to_cpu(sts24->residual_len); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1647 | rsp_info = sts24->data; |
| 1648 | sense_data = sts24->data; |
| 1649 | host_to_fcp_swap(sts24->data, sizeof(sts24->data)); |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1650 | ox_id = le16_to_cpu(sts24->ox_id); |
Andrew Vasquez | 5544213 | 2010-07-23 15:28:27 +0500 | [diff] [blame] | 1651 | par_sense_len = sizeof(sts24->data); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1652 | } else { |
Lalit Chandivade | 0f00a20 | 2009-10-13 15:16:52 -0700 | [diff] [blame] | 1653 | if (scsi_status & SS_SENSE_LEN_VALID) |
| 1654 | sense_len = le16_to_cpu(sts->req_sense_length); |
| 1655 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) |
| 1656 | rsp_info_len = le16_to_cpu(sts->rsp_info_len); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1657 | resid_len = le32_to_cpu(sts->residual_length); |
| 1658 | rsp_info = sts->rsp_info; |
| 1659 | sense_data = sts->req_sense_data; |
Andrew Vasquez | 5544213 | 2010-07-23 15:28:27 +0500 | [diff] [blame] | 1660 | par_sense_len = sizeof(sts->req_sense_data); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1661 | } |
| 1662 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1663 | /* Check for any FCP transport errors. */ |
| 1664 | if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1665 | /* Sense data lies beyond any FCP RESPONSE data. */ |
Andrew Vasquez | 5544213 | 2010-07-23 15:28:27 +0500 | [diff] [blame] | 1666 | if (IS_FWI2_CAPABLE(ha)) { |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1667 | sense_data += rsp_info_len; |
Andrew Vasquez | 5544213 | 2010-07-23 15:28:27 +0500 | [diff] [blame] | 1668 | par_sense_len -= rsp_info_len; |
| 1669 | } |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1670 | if (rsp_info_len > 3 && rsp_info[3]) { |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1671 | ql_dbg(ql_dbg_io, vha, 0x3019, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1672 | "FCP I/O protocol failure (0x%x/0x%x).\n", |
| 1673 | rsp_info_len, rsp_info[3]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1674 | |
| 1675 | cp->result = DID_BUS_BUSY << 16; |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1676 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1677 | } |
| 1678 | } |
| 1679 | |
Andrew Vasquez | 3e8ce32 | 2008-02-28 14:06:10 -0800 | [diff] [blame] | 1680 | /* Check for overrun. */ |
| 1681 | if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && |
| 1682 | scsi_status & SS_RESIDUAL_OVER) |
| 1683 | comp_status = CS_DATA_OVERRUN; |
| 1684 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1685 | /* |
| 1686 | * Based on Host and scsi status generate status code for Linux |
| 1687 | */ |
| 1688 | switch (comp_status) { |
| 1689 | case CS_COMPLETE: |
Andrew Vasquez | df7baa5 | 2006-10-13 09:33:39 -0700 | [diff] [blame] | 1690 | case CS_QUEUE_FULL: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1691 | if (scsi_status == 0) { |
| 1692 | cp->result = DID_OK << 16; |
| 1693 | break; |
| 1694 | } |
| 1695 | if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1696 | resid = resid_len; |
FUJITA Tomonori | 385d70b | 2007-05-26 01:55:38 +0900 | [diff] [blame] | 1697 | scsi_set_resid(cp, resid); |
Andrew Vasquez | 0da69df | 2005-12-06 10:58:06 -0800 | [diff] [blame] | 1698 | |
| 1699 | if (!lscsi_status && |
FUJITA Tomonori | 385d70b | 2007-05-26 01:55:38 +0900 | [diff] [blame] | 1700 | ((unsigned)(scsi_bufflen(cp) - resid) < |
Andrew Vasquez | 0da69df | 2005-12-06 10:58:06 -0800 | [diff] [blame] | 1701 | cp->underflow)) { |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1702 | ql_dbg(ql_dbg_io, vha, 0x301a, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1703 | "Mid-layer underflow " |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1704 | "detected (0x%x of 0x%x bytes).\n", |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1705 | resid, scsi_bufflen(cp)); |
Andrew Vasquez | 0da69df | 2005-12-06 10:58:06 -0800 | [diff] [blame] | 1706 | |
| 1707 | cp->result = DID_ERROR << 16; |
| 1708 | break; |
| 1709 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1710 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1711 | cp->result = DID_OK << 16 | lscsi_status; |
| 1712 | |
Andrew Vasquez | df7baa5 | 2006-10-13 09:33:39 -0700 | [diff] [blame] | 1713 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1714 | ql_dbg(ql_dbg_io, vha, 0x301b, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1715 | "QUEUE FULL detected.\n"); |
Andrew Vasquez | df7baa5 | 2006-10-13 09:33:39 -0700 | [diff] [blame] | 1716 | break; |
| 1717 | } |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1718 | logit = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1719 | if (lscsi_status != SS_CHECK_CONDITION) |
| 1720 | break; |
| 1721 | |
FUJITA Tomonori | b80ca4f | 2008-01-13 15:46:13 +0900 | [diff] [blame] | 1722 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1723 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
| 1724 | break; |
| 1725 | |
Andrew Vasquez | 5544213 | 2010-07-23 15:28:27 +0500 | [diff] [blame] | 1726 | qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, |
| 1727 | rsp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1728 | break; |
| 1729 | |
| 1730 | case CS_DATA_UNDERRUN: |
Ravi Anand | ed17c71b5 | 2006-05-17 15:08:55 -0700 | [diff] [blame] | 1731 | /* Use F/W calculated residual length. */ |
Lalit Chandivade | 0f00a20 | 2009-10-13 15:16:52 -0700 | [diff] [blame] | 1732 | resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; |
| 1733 | scsi_set_resid(cp, resid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1734 | if (scsi_status & SS_RESIDUAL_UNDER) { |
Lalit Chandivade | 0f00a20 | 2009-10-13 15:16:52 -0700 | [diff] [blame] | 1735 | if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1736 | ql_dbg(ql_dbg_io, vha, 0x301d, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1737 | "Dropped frame(s) detected " |
| 1738 | "(0x%x of 0x%x bytes).\n", |
| 1739 | resid, scsi_bufflen(cp)); |
andrew.vasquez@qlogic.com | e038a1be | 2006-01-13 17:04:59 -0800 | [diff] [blame] | 1740 | |
Lalit Chandivade | 0f00a20 | 2009-10-13 15:16:52 -0700 | [diff] [blame] | 1741 | cp->result = DID_ERROR << 16 | lscsi_status; |
Arun Easi | 4e85e3d | 2011-11-18 09:02:10 -0800 | [diff] [blame] | 1742 | goto check_scsi_status; |
Lalit Chandivade | 0f00a20 | 2009-10-13 15:16:52 -0700 | [diff] [blame] | 1743 | } |
| 1744 | |
| 1745 | if (!lscsi_status && |
| 1746 | ((unsigned)(scsi_bufflen(cp) - resid) < |
| 1747 | cp->underflow)) { |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1748 | ql_dbg(ql_dbg_io, vha, 0x301e, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1749 | "Mid-layer underflow " |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1750 | "detected (0x%x of 0x%x bytes).\n", |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1751 | resid, scsi_bufflen(cp)); |
Lalit Chandivade | 0f00a20 | 2009-10-13 15:16:52 -0700 | [diff] [blame] | 1752 | |
| 1753 | cp->result = DID_ERROR << 16; |
| 1754 | break; |
| 1755 | } |
Lalit Chandivade | 0374f55 | 2010-09-03 14:57:04 -0700 | [diff] [blame] | 1756 | } else { |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1757 | ql_dbg(ql_dbg_io, vha, 0x301f, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1758 | "Dropped frame(s) detected (0x%x " |
| 1759 | "of 0x%x bytes).\n", resid, scsi_bufflen(cp)); |
Lalit Chandivade | 0f00a20 | 2009-10-13 15:16:52 -0700 | [diff] [blame] | 1760 | |
Lalit Chandivade | 0374f55 | 2010-09-03 14:57:04 -0700 | [diff] [blame] | 1761 | cp->result = DID_ERROR << 16 | lscsi_status; |
| 1762 | goto check_scsi_status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1763 | } |
| 1764 | |
Lalit Chandivade | 0f00a20 | 2009-10-13 15:16:52 -0700 | [diff] [blame] | 1765 | cp->result = DID_OK << 16 | lscsi_status; |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1766 | logit = 0; |
Lalit Chandivade | 0f00a20 | 2009-10-13 15:16:52 -0700 | [diff] [blame] | 1767 | |
Lalit Chandivade | 0374f55 | 2010-09-03 14:57:04 -0700 | [diff] [blame] | 1768 | check_scsi_status: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1769 | /* |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 1770 | * Check to see if SCSI Status is non zero. If so report SCSI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1771 | * Status. |
| 1772 | */ |
| 1773 | if (lscsi_status != 0) { |
Andrew Vasquez | ffec28a | 2007-01-29 10:22:27 -0800 | [diff] [blame] | 1774 | if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1775 | ql_dbg(ql_dbg_io, vha, 0x3020, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1776 | "QUEUE FULL detected.\n"); |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1777 | logit = 1; |
Andrew Vasquez | ffec28a | 2007-01-29 10:22:27 -0800 | [diff] [blame] | 1778 | break; |
| 1779 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1780 | if (lscsi_status != SS_CHECK_CONDITION) |
| 1781 | break; |
| 1782 | |
FUJITA Tomonori | b80ca4f | 2008-01-13 15:46:13 +0900 | [diff] [blame] | 1783 | memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1784 | if (!(scsi_status & SS_SENSE_LEN_VALID)) |
| 1785 | break; |
| 1786 | |
Andrew Vasquez | 5544213 | 2010-07-23 15:28:27 +0500 | [diff] [blame] | 1787 | qla2x00_handle_sense(sp, sense_data, par_sense_len, |
| 1788 | sense_len, rsp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1789 | } |
| 1790 | break; |
| 1791 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1792 | case CS_PORT_LOGGED_OUT: |
| 1793 | case CS_PORT_CONFIG_CHG: |
| 1794 | case CS_PORT_BUSY: |
| 1795 | case CS_INCOMPLETE: |
| 1796 | case CS_PORT_UNAVAILABLE: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1797 | case CS_TIMEOUT: |
Chad Dupuis | ff454b0 | 2010-10-15 11:27:42 -0700 | [diff] [blame] | 1798 | case CS_RESET: |
| 1799 | |
Mike Christie | 056a448 | 2008-08-19 18:45:29 -0500 | [diff] [blame] | 1800 | /* |
| 1801 | * We are going to have the fc class block the rport |
| 1802 | * while we try to recover so instruct the mid layer |
| 1803 | * to requeue until the class decides how to handle this. |
| 1804 | */ |
| 1805 | cp->result = DID_TRANSPORT_DISRUPTED << 16; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1806 | |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1807 | if (comp_status == CS_TIMEOUT) { |
| 1808 | if (IS_FWI2_CAPABLE(ha)) |
| 1809 | break; |
| 1810 | else if ((le16_to_cpu(sts->status_flags) & |
| 1811 | SF_LOGOUT_SENT) == 0) |
| 1812 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1813 | } |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1814 | |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1815 | ql_dbg(ql_dbg_io, vha, 0x3021, |
| 1816 | "Port down status: port-state=0x%x.\n", |
| 1817 | atomic_read(&fcport->state)); |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1818 | |
| 1819 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 1820 | qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1821 | break; |
| 1822 | |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1823 | case CS_ABORTED: |
| 1824 | cp->result = DID_RESET << 16; |
| 1825 | break; |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1826 | |
| 1827 | case CS_DIF_ERROR: |
Arun Easi | 8cb2049 | 2011-08-16 11:29:22 -0700 | [diff] [blame] | 1828 | logit = qla2x00_handle_dif_error(sp, sts24); |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 1829 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1830 | default: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1831 | cp->result = DID_ERROR << 16; |
| 1832 | break; |
| 1833 | } |
| 1834 | |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1835 | out: |
| 1836 | if (logit) |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1837 | ql_dbg(ql_dbg_io, vha, 0x3022, |
| 1838 | "FCP command status: 0x%x-0x%x (0x%x) " |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1839 | "nexus=%ld:%d:%d portid=%02x%02x%02x oxid=0x%x " |
| 1840 | "cdb=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x len=0x%x " |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1841 | "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n", |
Chad Dupuis | cfb0919 | 2011-11-18 09:03:07 -0800 | [diff] [blame] | 1842 | comp_status, scsi_status, cp->result, vha->host_no, |
| 1843 | cp->device->id, cp->device->lun, fcport->d_id.b.domain, |
| 1844 | fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, |
| 1845 | cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], |
| 1846 | cp->cmnd[4], cp->cmnd[5], cp->cmnd[6], cp->cmnd[7], |
| 1847 | cp->cmnd[8], cp->cmnd[9], scsi_bufflen(cp), rsp_info_len, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1848 | resid_len, fw_resid_len); |
Andrew Vasquez | b7d2280 | 2010-05-04 15:01:27 -0700 | [diff] [blame] | 1849 | |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 1850 | if (rsp->status_srb == NULL) |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 1851 | qla2x00_sp_compl(ha, sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1852 | } |
| 1853 | |
| 1854 | /** |
| 1855 | * qla2x00_status_cont_entry() - Process a Status Continuations entry. |
| 1856 | * @ha: SCSI driver HA context |
| 1857 | * @pkt: Entry pointer |
| 1858 | * |
| 1859 | * Extended sense data. |
| 1860 | */ |
| 1861 | static void |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 1862 | qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1863 | { |
| 1864 | uint8_t sense_sz = 0; |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 1865 | struct qla_hw_data *ha = rsp->hw; |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1866 | struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 1867 | srb_t *sp = rsp->status_srb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1868 | struct scsi_cmnd *cp; |
| 1869 | |
| 1870 | if (sp != NULL && sp->request_sense_length != 0) { |
| 1871 | cp = sp->cmd; |
| 1872 | if (cp == NULL) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1873 | ql_log(ql_log_warn, vha, 0x3025, |
| 1874 | "cmd is NULL: already returned to OS (sp=%p).\n", |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 1875 | sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1876 | |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 1877 | rsp->status_srb = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1878 | return; |
| 1879 | } |
| 1880 | |
| 1881 | if (sp->request_sense_length > sizeof(pkt->data)) { |
| 1882 | sense_sz = sizeof(pkt->data); |
| 1883 | } else { |
| 1884 | sense_sz = sp->request_sense_length; |
| 1885 | } |
| 1886 | |
| 1887 | /* Move sense data. */ |
Andrew Vasquez | e428924 | 2007-07-19 15:05:56 -0700 | [diff] [blame] | 1888 | if (IS_FWI2_CAPABLE(ha)) |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1889 | host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1890 | memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1891 | ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, |
| 1892 | sp->request_sense_ptr, sense_sz); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1893 | |
| 1894 | sp->request_sense_ptr += sense_sz; |
| 1895 | sp->request_sense_length -= sense_sz; |
| 1896 | |
| 1897 | /* Place command on done queue. */ |
| 1898 | if (sp->request_sense_length == 0) { |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 1899 | rsp->status_srb = NULL; |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 1900 | qla2x00_sp_compl(ha, sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1901 | } |
| 1902 | } |
| 1903 | } |
| 1904 | |
Giridhar Malavali | c463119 | 2011-11-18 09:03:08 -0800 | [diff] [blame] | 1905 | static int |
| 1906 | qla2x00_free_sp_ctx(scsi_qla_host_t *vha, srb_t *sp) |
| 1907 | { |
| 1908 | struct qla_hw_data *ha = vha->hw; |
| 1909 | struct srb_ctx *ctx; |
| 1910 | |
| 1911 | if (!sp->ctx) |
| 1912 | return 1; |
| 1913 | |
| 1914 | ctx = sp->ctx; |
| 1915 | |
| 1916 | if (ctx->type == SRB_LOGIN_CMD || |
| 1917 | ctx->type == SRB_LOGOUT_CMD || |
| 1918 | ctx->type == SRB_TM_CMD) { |
| 1919 | ctx->u.iocb_cmd->done(sp); |
| 1920 | return 0; |
| 1921 | } else if (ctx->type == SRB_ADISC_CMD) { |
| 1922 | ctx->u.iocb_cmd->free(sp); |
| 1923 | return 0; |
| 1924 | } else { |
| 1925 | struct fc_bsg_job *bsg_job; |
| 1926 | |
| 1927 | bsg_job = ctx->u.bsg_job; |
| 1928 | if (ctx->type == SRB_ELS_CMD_HST || |
| 1929 | ctx->type == SRB_CT_CMD) |
| 1930 | kfree(sp->fcport); |
| 1931 | |
| 1932 | bsg_job->reply->reply_data.ctels_reply.status = |
| 1933 | FC_CTELS_STATUS_OK; |
| 1934 | bsg_job->reply->result = DID_ERROR << 16; |
| 1935 | bsg_job->reply->reply_payload_rcv_len = 0; |
| 1936 | kfree(sp->ctx); |
| 1937 | mempool_free(sp, ha->srb_mempool); |
| 1938 | bsg_job->job_done(bsg_job); |
| 1939 | return 0; |
| 1940 | } |
| 1941 | return 1; |
| 1942 | } |
| 1943 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1944 | /** |
| 1945 | * qla2x00_error_entry() - Process an error entry. |
| 1946 | * @ha: SCSI driver HA context |
| 1947 | * @pkt: Entry pointer |
| 1948 | */ |
| 1949 | static void |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 1950 | qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1951 | { |
| 1952 | srb_t *sp; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 1953 | struct qla_hw_data *ha = vha->hw; |
Giridhar Malavali | c463119 | 2011-11-18 09:03:08 -0800 | [diff] [blame] | 1954 | const char func[] = "ERROR-IOCB"; |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 1955 | uint16_t que = MSW(pkt->handle); |
| 1956 | struct req_que *req = ha->req_q_map[que]; |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1957 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1958 | if (pkt->entry_status & RF_INV_E_ORDER) |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1959 | ql_dbg(ql_dbg_async, vha, 0x502a, |
| 1960 | "Invalid Entry Order.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1961 | else if (pkt->entry_status & RF_INV_E_COUNT) |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1962 | ql_dbg(ql_dbg_async, vha, 0x502b, |
| 1963 | "Invalid Entry Count.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1964 | else if (pkt->entry_status & RF_INV_E_PARAM) |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1965 | ql_dbg(ql_dbg_async, vha, 0x502c, |
| 1966 | "Invalid Entry Parameter.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1967 | else if (pkt->entry_status & RF_INV_E_TYPE) |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1968 | ql_dbg(ql_dbg_async, vha, 0x502d, |
| 1969 | "Invalid Entry Type.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1970 | else if (pkt->entry_status & RF_BUSY) |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1971 | ql_dbg(ql_dbg_async, vha, 0x502e, |
| 1972 | "Busy.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1973 | else |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1974 | ql_dbg(ql_dbg_async, vha, 0x502f, |
| 1975 | "UNKNOWN flag error.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1976 | |
Giridhar Malavali | c463119 | 2011-11-18 09:03:08 -0800 | [diff] [blame] | 1977 | sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1978 | if (sp) { |
Giridhar Malavali | c463119 | 2011-11-18 09:03:08 -0800 | [diff] [blame] | 1979 | if (qla2x00_free_sp_ctx(vha, sp)) { |
| 1980 | if (pkt->entry_status & |
| 1981 | (RF_INV_E_ORDER | RF_INV_E_COUNT | |
| 1982 | RF_INV_E_PARAM | RF_INV_E_TYPE)) { |
| 1983 | sp->cmd->result = DID_ERROR << 16; |
| 1984 | } else if (pkt->entry_status & RF_BUSY) { |
| 1985 | sp->cmd->result = DID_BUS_BUSY << 16; |
| 1986 | } else { |
| 1987 | sp->cmd->result = DID_ERROR << 16; |
| 1988 | } |
| 1989 | qla2x00_sp_compl(ha, sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1990 | } |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 1991 | } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
Giridhar Malavali | 8f7daea | 2011-03-30 11:46:26 -0700 | [diff] [blame] | 1992 | COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7 |
| 1993 | || pkt->entry_type == COMMAND_TYPE_6) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 1994 | ql_log(ql_log_warn, vha, 0x5030, |
| 1995 | "Error entry - invalid handle.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1996 | |
Giridhar Malavali | 8f7daea | 2011-03-30 11:46:26 -0700 | [diff] [blame] | 1997 | if (IS_QLA82XX(ha)) |
| 1998 | set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); |
| 1999 | else |
| 2000 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2001 | qla2xxx_wake_dpc(vha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2002 | } |
| 2003 | } |
| 2004 | |
| 2005 | /** |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2006 | * qla24xx_mbx_completion() - Process mailbox command completions. |
| 2007 | * @ha: SCSI driver HA context |
| 2008 | * @mb0: Mailbox0 register |
| 2009 | */ |
| 2010 | static void |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2011 | qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2012 | { |
| 2013 | uint16_t cnt; |
Andrew Vasquez | 4fa94f8 | 2011-11-18 09:03:09 -0800 | [diff] [blame^] | 2014 | uint32_t mboxes; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2015 | uint16_t __iomem *wptr; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2016 | struct qla_hw_data *ha = vha->hw; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2017 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| 2018 | |
Andrew Vasquez | 4fa94f8 | 2011-11-18 09:03:09 -0800 | [diff] [blame^] | 2019 | /* Read all mbox registers? */ |
| 2020 | mboxes = (1 << ha->mbx_count) - 1; |
| 2021 | if (!ha->mcp) |
| 2022 | ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERRROR.\n"); |
| 2023 | else |
| 2024 | mboxes = ha->mcp->in_mb; |
| 2025 | |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2026 | /* Load return mailbox registers. */ |
| 2027 | ha->flags.mbox_int = 1; |
| 2028 | ha->mailbox_out[0] = mb0; |
Andrew Vasquez | 4fa94f8 | 2011-11-18 09:03:09 -0800 | [diff] [blame^] | 2029 | mboxes >>= 1; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2030 | wptr = (uint16_t __iomem *)®->mailbox1; |
| 2031 | |
| 2032 | for (cnt = 1; cnt < ha->mbx_count; cnt++) { |
Andrew Vasquez | 4fa94f8 | 2011-11-18 09:03:09 -0800 | [diff] [blame^] | 2033 | if (mboxes & BIT_0) |
| 2034 | ha->mailbox_out[cnt] = RD_REG_WORD(wptr); |
| 2035 | |
| 2036 | mboxes >>= 1; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2037 | wptr++; |
| 2038 | } |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2039 | } |
| 2040 | |
| 2041 | /** |
| 2042 | * qla24xx_process_response_queue() - Process response queue entries. |
| 2043 | * @ha: SCSI driver HA context |
| 2044 | */ |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2045 | void qla24xx_process_response_queue(struct scsi_qla_host *vha, |
| 2046 | struct rsp_que *rsp) |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2047 | { |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2048 | struct sts_entry_24xx *pkt; |
Giridhar Malavali | a908301 | 2010-04-12 17:59:55 -0700 | [diff] [blame] | 2049 | struct qla_hw_data *ha = vha->hw; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2050 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2051 | if (!vha->flags.online) |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2052 | return; |
| 2053 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2054 | while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
| 2055 | pkt = (struct sts_entry_24xx *)rsp->ring_ptr; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2056 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2057 | rsp->ring_index++; |
| 2058 | if (rsp->ring_index == rsp->length) { |
| 2059 | rsp->ring_index = 0; |
| 2060 | rsp->ring_ptr = rsp->ring; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2061 | } else { |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2062 | rsp->ring_ptr++; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2063 | } |
| 2064 | |
| 2065 | if (pkt->entry_status != 0) { |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2066 | qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2067 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
| 2068 | wmb(); |
| 2069 | continue; |
| 2070 | } |
| 2071 | |
| 2072 | switch (pkt->entry_type) { |
| 2073 | case STATUS_TYPE: |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2074 | qla2x00_status_entry(vha, rsp, pkt); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2075 | break; |
| 2076 | case STATUS_CONT_TYPE: |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2077 | qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2078 | break; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2079 | case VP_RPT_ID_IOCB_TYPE: |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2080 | qla24xx_report_id_acquisition(vha, |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2081 | (struct vp_rpt_id_entry_24xx *)pkt); |
| 2082 | break; |
Andrew Vasquez | ac280b6 | 2009-08-20 11:06:05 -0700 | [diff] [blame] | 2083 | case LOGINOUT_PORT_IOCB_TYPE: |
| 2084 | qla24xx_logio_entry(vha, rsp->req, |
| 2085 | (struct logio_entry_24xx *)pkt); |
| 2086 | break; |
Madhuranath Iyengar | 3822263 | 2010-05-04 15:01:29 -0700 | [diff] [blame] | 2087 | case TSK_MGMT_IOCB_TYPE: |
| 2088 | qla24xx_tm_iocb_entry(vha, rsp->req, |
| 2089 | (struct tsk_mgmt_entry *)pkt); |
| 2090 | break; |
Giridhar Malavali | 9a069e1 | 2010-01-12 13:02:47 -0800 | [diff] [blame] | 2091 | case CT_IOCB_TYPE: |
| 2092 | qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); |
| 2093 | clear_bit(MBX_INTERRUPT, &vha->hw->mbx_cmd_flags); |
| 2094 | break; |
| 2095 | case ELS_IOCB_TYPE: |
| 2096 | qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); |
| 2097 | break; |
Saurav Kashyap | 5488329 | 2011-08-16 11:31:48 -0700 | [diff] [blame] | 2098 | case MARKER_TYPE: |
| 2099 | /* Do nothing in this case, this check is to prevent it |
| 2100 | * from falling into default case |
| 2101 | */ |
| 2102 | break; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2103 | default: |
| 2104 | /* Type Not Supported. */ |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2105 | ql_dbg(ql_dbg_async, vha, 0x5042, |
| 2106 | "Received unknown response pkt type %x " |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2107 | "entry status=%x.\n", |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2108 | pkt->entry_type, pkt->entry_status); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2109 | break; |
| 2110 | } |
| 2111 | ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
| 2112 | wmb(); |
| 2113 | } |
| 2114 | |
| 2115 | /* Adjust ring index */ |
Giridhar Malavali | a908301 | 2010-04-12 17:59:55 -0700 | [diff] [blame] | 2116 | if (IS_QLA82XX(ha)) { |
| 2117 | struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; |
| 2118 | WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); |
| 2119 | } else |
| 2120 | WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2121 | } |
| 2122 | |
Andrew Vasquez | 05236a0 | 2007-09-20 14:07:37 -0700 | [diff] [blame] | 2123 | static void |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2124 | qla2xxx_check_risc_status(scsi_qla_host_t *vha) |
Andrew Vasquez | 05236a0 | 2007-09-20 14:07:37 -0700 | [diff] [blame] | 2125 | { |
| 2126 | int rval; |
| 2127 | uint32_t cnt; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2128 | struct qla_hw_data *ha = vha->hw; |
Andrew Vasquez | 05236a0 | 2007-09-20 14:07:37 -0700 | [diff] [blame] | 2129 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| 2130 | |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 2131 | if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) |
Andrew Vasquez | 05236a0 | 2007-09-20 14:07:37 -0700 | [diff] [blame] | 2132 | return; |
| 2133 | |
| 2134 | rval = QLA_SUCCESS; |
| 2135 | WRT_REG_DWORD(®->iobase_addr, 0x7C00); |
| 2136 | RD_REG_DWORD(®->iobase_addr); |
| 2137 | WRT_REG_DWORD(®->iobase_window, 0x0001); |
| 2138 | for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && |
| 2139 | rval == QLA_SUCCESS; cnt--) { |
| 2140 | if (cnt) { |
| 2141 | WRT_REG_DWORD(®->iobase_window, 0x0001); |
| 2142 | udelay(10); |
| 2143 | } else |
| 2144 | rval = QLA_FUNCTION_TIMEOUT; |
| 2145 | } |
| 2146 | if (rval == QLA_SUCCESS) |
| 2147 | goto next_test; |
| 2148 | |
| 2149 | WRT_REG_DWORD(®->iobase_window, 0x0003); |
| 2150 | for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && |
| 2151 | rval == QLA_SUCCESS; cnt--) { |
| 2152 | if (cnt) { |
| 2153 | WRT_REG_DWORD(®->iobase_window, 0x0003); |
| 2154 | udelay(10); |
| 2155 | } else |
| 2156 | rval = QLA_FUNCTION_TIMEOUT; |
| 2157 | } |
| 2158 | if (rval != QLA_SUCCESS) |
| 2159 | goto done; |
| 2160 | |
| 2161 | next_test: |
| 2162 | if (RD_REG_DWORD(®->iobase_c8) & BIT_3) |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2163 | ql_log(ql_log_info, vha, 0x504c, |
| 2164 | "Additional code -- 0x55AA.\n"); |
Andrew Vasquez | 05236a0 | 2007-09-20 14:07:37 -0700 | [diff] [blame] | 2165 | |
| 2166 | done: |
| 2167 | WRT_REG_DWORD(®->iobase_window, 0x0000); |
| 2168 | RD_REG_DWORD(®->iobase_window); |
| 2169 | } |
| 2170 | |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2171 | /** |
| 2172 | * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. |
| 2173 | * @irq: |
| 2174 | * @dev_id: SCSI driver HA context |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2175 | * |
| 2176 | * Called by system whenever the host adapter generates an interrupt. |
| 2177 | * |
| 2178 | * Returns handled flag. |
| 2179 | */ |
| 2180 | irqreturn_t |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 2181 | qla24xx_intr_handler(int irq, void *dev_id) |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2182 | { |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2183 | scsi_qla_host_t *vha; |
| 2184 | struct qla_hw_data *ha; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2185 | struct device_reg_24xx __iomem *reg; |
| 2186 | int status; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2187 | unsigned long iter; |
| 2188 | uint32_t stat; |
| 2189 | uint32_t hccr; |
| 2190 | uint16_t mb[4]; |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2191 | struct rsp_que *rsp; |
Anirban Chakraborty | 43fac4d | 2009-06-10 13:55:11 -0700 | [diff] [blame] | 2192 | unsigned long flags; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2193 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2194 | rsp = (struct rsp_que *) dev_id; |
| 2195 | if (!rsp) { |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2196 | printk(KERN_INFO |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2197 | "%s(): NULL response queue pointer.\n", __func__); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2198 | return IRQ_NONE; |
| 2199 | } |
| 2200 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2201 | ha = rsp->hw; |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2202 | reg = &ha->iobase->isp24; |
| 2203 | status = 0; |
| 2204 | |
Andrew Vasquez | 8588080 | 2009-12-15 21:29:46 -0800 | [diff] [blame] | 2205 | if (unlikely(pci_channel_offline(ha->pdev))) |
| 2206 | return IRQ_HANDLED; |
| 2207 | |
Anirban Chakraborty | 43fac4d | 2009-06-10 13:55:11 -0700 | [diff] [blame] | 2208 | spin_lock_irqsave(&ha->hardware_lock, flags); |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2209 | vha = pci_get_drvdata(ha->pdev); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2210 | for (iter = 50; iter--; ) { |
| 2211 | stat = RD_REG_DWORD(®->host_status); |
| 2212 | if (stat & HSRX_RISC_PAUSED) { |
Andrew Vasquez | 8588080 | 2009-12-15 21:29:46 -0800 | [diff] [blame] | 2213 | if (unlikely(pci_channel_offline(ha->pdev))) |
Seokmann Ju | 14e660e | 2007-09-20 14:07:36 -0700 | [diff] [blame] | 2214 | break; |
| 2215 | |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2216 | hccr = RD_REG_DWORD(®->hccr); |
| 2217 | |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2218 | ql_log(ql_log_warn, vha, 0x504b, |
| 2219 | "RISC paused -- HCCR=%x, Dumping firmware.\n", |
| 2220 | hccr); |
Andrew Vasquez | 05236a0 | 2007-09-20 14:07:37 -0700 | [diff] [blame] | 2221 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2222 | qla2xxx_check_risc_status(vha); |
Andrew Vasquez | 05236a0 | 2007-09-20 14:07:37 -0700 | [diff] [blame] | 2223 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2224 | ha->isp_ops->fw_dump(vha, 1); |
| 2225 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2226 | break; |
| 2227 | } else if ((stat & HSRX_RISC_INT) == 0) |
| 2228 | break; |
| 2229 | |
| 2230 | switch (stat & 0xff) { |
| 2231 | case 0x1: |
| 2232 | case 0x2: |
| 2233 | case 0x10: |
| 2234 | case 0x11: |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2235 | qla24xx_mbx_completion(vha, MSW(stat)); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2236 | status |= MBX_INTERRUPT; |
| 2237 | |
| 2238 | break; |
| 2239 | case 0x12: |
| 2240 | mb[0] = MSW(stat); |
| 2241 | mb[1] = RD_REG_WORD(®->mailbox1); |
| 2242 | mb[2] = RD_REG_WORD(®->mailbox2); |
| 2243 | mb[3] = RD_REG_WORD(®->mailbox3); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2244 | qla2x00_async_event(vha, rsp, mb); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2245 | break; |
| 2246 | case 0x13: |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2247 | case 0x14: |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2248 | qla24xx_process_response_queue(vha, rsp); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2249 | break; |
| 2250 | default: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2251 | ql_dbg(ql_dbg_async, vha, 0x504f, |
| 2252 | "Unrecognized interrupt type (%d).\n", stat * 0xff); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2253 | break; |
| 2254 | } |
| 2255 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
| 2256 | RD_REG_DWORD_RELAXED(®->hccr); |
| 2257 | } |
Anirban Chakraborty | 43fac4d | 2009-06-10 13:55:11 -0700 | [diff] [blame] | 2258 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2259 | |
| 2260 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
| 2261 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2262 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
Marcus Barrow | 0b05a1f | 2008-01-17 09:02:13 -0800 | [diff] [blame] | 2263 | complete(&ha->mbx_intr_comp); |
Andrew Vasquez | 9a853f7 | 2005-07-06 10:31:27 -0700 | [diff] [blame] | 2264 | } |
| 2265 | |
| 2266 | return IRQ_HANDLED; |
| 2267 | } |
| 2268 | |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2269 | static irqreturn_t |
| 2270 | qla24xx_msix_rsp_q(int irq, void *dev_id) |
| 2271 | { |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2272 | struct qla_hw_data *ha; |
| 2273 | struct rsp_que *rsp; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2274 | struct device_reg_24xx __iomem *reg; |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2275 | struct scsi_qla_host *vha; |
Xiaotian Feng | 0f19bc6 | 2010-01-29 18:09:30 +0800 | [diff] [blame] | 2276 | unsigned long flags; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2277 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2278 | rsp = (struct rsp_que *) dev_id; |
| 2279 | if (!rsp) { |
| 2280 | printk(KERN_INFO |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2281 | "%s(): NULL response queue pointer.\n", __func__); |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2282 | return IRQ_NONE; |
| 2283 | } |
| 2284 | ha = rsp->hw; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2285 | reg = &ha->iobase->isp24; |
| 2286 | |
Xiaotian Feng | 0f19bc6 | 2010-01-29 18:09:30 +0800 | [diff] [blame] | 2287 | spin_lock_irqsave(&ha->hardware_lock, flags); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2288 | |
Anirban Chakraborty | a67093d | 2010-02-04 14:17:59 -0800 | [diff] [blame] | 2289 | vha = pci_get_drvdata(ha->pdev); |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2290 | qla24xx_process_response_queue(vha, rsp); |
Anirban Chakraborty | 3155754 | 2009-12-02 10:36:55 -0800 | [diff] [blame] | 2291 | if (!ha->flags.disable_msix_handshake) { |
Anirban Chakraborty | eb94114 | 2009-08-04 16:12:13 -0700 | [diff] [blame] | 2292 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
| 2293 | RD_REG_DWORD_RELAXED(®->hccr); |
| 2294 | } |
Xiaotian Feng | 0f19bc6 | 2010-01-29 18:09:30 +0800 | [diff] [blame] | 2295 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2296 | |
| 2297 | return IRQ_HANDLED; |
| 2298 | } |
| 2299 | |
| 2300 | static irqreturn_t |
Anirban Chakraborty | 68ca949 | 2009-04-06 22:33:41 -0700 | [diff] [blame] | 2301 | qla25xx_msix_rsp_q(int irq, void *dev_id) |
| 2302 | { |
| 2303 | struct qla_hw_data *ha; |
| 2304 | struct rsp_que *rsp; |
Anirban Chakraborty | 3155754 | 2009-12-02 10:36:55 -0800 | [diff] [blame] | 2305 | struct device_reg_24xx __iomem *reg; |
Xiaotian Feng | 0f19bc6 | 2010-01-29 18:09:30 +0800 | [diff] [blame] | 2306 | unsigned long flags; |
Anirban Chakraborty | 68ca949 | 2009-04-06 22:33:41 -0700 | [diff] [blame] | 2307 | |
| 2308 | rsp = (struct rsp_que *) dev_id; |
| 2309 | if (!rsp) { |
| 2310 | printk(KERN_INFO |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2311 | "%s(): NULL response queue pointer.\n", __func__); |
Anirban Chakraborty | 68ca949 | 2009-04-06 22:33:41 -0700 | [diff] [blame] | 2312 | return IRQ_NONE; |
| 2313 | } |
| 2314 | ha = rsp->hw; |
| 2315 | |
Anirban Chakraborty | 3155754 | 2009-12-02 10:36:55 -0800 | [diff] [blame] | 2316 | /* Clear the interrupt, if enabled, for this response queue */ |
Andrew Vasquez | d424754 | 2011-10-26 14:20:13 -0700 | [diff] [blame] | 2317 | if (!ha->flags.disable_msix_handshake) { |
Anirban Chakraborty | 3155754 | 2009-12-02 10:36:55 -0800 | [diff] [blame] | 2318 | reg = &ha->iobase->isp24; |
Xiaotian Feng | 0f19bc6 | 2010-01-29 18:09:30 +0800 | [diff] [blame] | 2319 | spin_lock_irqsave(&ha->hardware_lock, flags); |
Anirban Chakraborty | 3155754 | 2009-12-02 10:36:55 -0800 | [diff] [blame] | 2320 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
| 2321 | RD_REG_DWORD_RELAXED(®->hccr); |
Xiaotian Feng | 0f19bc6 | 2010-01-29 18:09:30 +0800 | [diff] [blame] | 2322 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Anirban Chakraborty | 3155754 | 2009-12-02 10:36:55 -0800 | [diff] [blame] | 2323 | } |
Anirban Chakraborty | 68ca949 | 2009-04-06 22:33:41 -0700 | [diff] [blame] | 2324 | queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); |
| 2325 | |
| 2326 | return IRQ_HANDLED; |
| 2327 | } |
| 2328 | |
| 2329 | static irqreturn_t |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2330 | qla24xx_msix_default(int irq, void *dev_id) |
| 2331 | { |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2332 | scsi_qla_host_t *vha; |
| 2333 | struct qla_hw_data *ha; |
| 2334 | struct rsp_que *rsp; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2335 | struct device_reg_24xx __iomem *reg; |
| 2336 | int status; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2337 | uint32_t stat; |
| 2338 | uint32_t hccr; |
| 2339 | uint16_t mb[4]; |
Xiaotian Feng | 0f19bc6 | 2010-01-29 18:09:30 +0800 | [diff] [blame] | 2340 | unsigned long flags; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2341 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2342 | rsp = (struct rsp_que *) dev_id; |
| 2343 | if (!rsp) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2344 | printk(KERN_INFO |
| 2345 | "%s(): NULL response queue pointer.\n", __func__); |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2346 | return IRQ_NONE; |
| 2347 | } |
| 2348 | ha = rsp->hw; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2349 | reg = &ha->iobase->isp24; |
| 2350 | status = 0; |
| 2351 | |
Xiaotian Feng | 0f19bc6 | 2010-01-29 18:09:30 +0800 | [diff] [blame] | 2352 | spin_lock_irqsave(&ha->hardware_lock, flags); |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2353 | vha = pci_get_drvdata(ha->pdev); |
Andrew Vasquez | 87f2701 | 2007-09-20 14:07:49 -0700 | [diff] [blame] | 2354 | do { |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2355 | stat = RD_REG_DWORD(®->host_status); |
| 2356 | if (stat & HSRX_RISC_PAUSED) { |
Andrew Vasquez | 8588080 | 2009-12-15 21:29:46 -0800 | [diff] [blame] | 2357 | if (unlikely(pci_channel_offline(ha->pdev))) |
Seokmann Ju | 14e660e | 2007-09-20 14:07:36 -0700 | [diff] [blame] | 2358 | break; |
| 2359 | |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2360 | hccr = RD_REG_DWORD(®->hccr); |
| 2361 | |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2362 | ql_log(ql_log_info, vha, 0x5050, |
| 2363 | "RISC paused -- HCCR=%x, Dumping firmware.\n", |
| 2364 | hccr); |
Andrew Vasquez | 05236a0 | 2007-09-20 14:07:37 -0700 | [diff] [blame] | 2365 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2366 | qla2xxx_check_risc_status(vha); |
Andrew Vasquez | 05236a0 | 2007-09-20 14:07:37 -0700 | [diff] [blame] | 2367 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2368 | ha->isp_ops->fw_dump(vha, 1); |
| 2369 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2370 | break; |
| 2371 | } else if ((stat & HSRX_RISC_INT) == 0) |
| 2372 | break; |
| 2373 | |
| 2374 | switch (stat & 0xff) { |
| 2375 | case 0x1: |
| 2376 | case 0x2: |
| 2377 | case 0x10: |
| 2378 | case 0x11: |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2379 | qla24xx_mbx_completion(vha, MSW(stat)); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2380 | status |= MBX_INTERRUPT; |
| 2381 | |
| 2382 | break; |
| 2383 | case 0x12: |
| 2384 | mb[0] = MSW(stat); |
| 2385 | mb[1] = RD_REG_WORD(®->mailbox1); |
| 2386 | mb[2] = RD_REG_WORD(®->mailbox2); |
| 2387 | mb[3] = RD_REG_WORD(®->mailbox3); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2388 | qla2x00_async_event(vha, rsp, mb); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2389 | break; |
| 2390 | case 0x13: |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2391 | case 0x14: |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2392 | qla24xx_process_response_queue(vha, rsp); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2393 | break; |
| 2394 | default: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2395 | ql_dbg(ql_dbg_async, vha, 0x5051, |
| 2396 | "Unrecognized interrupt type (%d).\n", stat & 0xff); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2397 | break; |
| 2398 | } |
| 2399 | WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
Andrew Vasquez | 87f2701 | 2007-09-20 14:07:49 -0700 | [diff] [blame] | 2400 | } while (0); |
Xiaotian Feng | 0f19bc6 | 2010-01-29 18:09:30 +0800 | [diff] [blame] | 2401 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2402 | |
| 2403 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
| 2404 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2405 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
Marcus Barrow | 0b05a1f | 2008-01-17 09:02:13 -0800 | [diff] [blame] | 2406 | complete(&ha->mbx_intr_comp); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2407 | } |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2408 | return IRQ_HANDLED; |
| 2409 | } |
| 2410 | |
| 2411 | /* Interrupt handling helpers. */ |
| 2412 | |
| 2413 | struct qla_init_msix_entry { |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2414 | const char *name; |
Jeff Garzik | 476834c | 2007-05-23 14:41:44 -0700 | [diff] [blame] | 2415 | irq_handler_t handler; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2416 | }; |
| 2417 | |
Anirban Chakraborty | 68ca949 | 2009-04-06 22:33:41 -0700 | [diff] [blame] | 2418 | static struct qla_init_msix_entry msix_entries[3] = { |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2419 | { "qla2xxx (default)", qla24xx_msix_default }, |
| 2420 | { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, |
Anirban Chakraborty | 68ca949 | 2009-04-06 22:33:41 -0700 | [diff] [blame] | 2421 | { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2422 | }; |
| 2423 | |
Giridhar Malavali | a908301 | 2010-04-12 17:59:55 -0700 | [diff] [blame] | 2424 | static struct qla_init_msix_entry qla82xx_msix_entries[2] = { |
| 2425 | { "qla2xxx (default)", qla82xx_msix_default }, |
| 2426 | { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, |
| 2427 | }; |
| 2428 | |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2429 | static void |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2430 | qla24xx_disable_msix(struct qla_hw_data *ha) |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2431 | { |
| 2432 | int i; |
| 2433 | struct qla_msix_entry *qentry; |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2434 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2435 | |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2436 | for (i = 0; i < ha->msix_count; i++) { |
| 2437 | qentry = &ha->msix_entries[i]; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2438 | if (qentry->have_irq) |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2439 | free_irq(qentry->vector, qentry->rsp); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2440 | } |
| 2441 | pci_disable_msix(ha->pdev); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2442 | kfree(ha->msix_entries); |
| 2443 | ha->msix_entries = NULL; |
| 2444 | ha->flags.msix_enabled = 0; |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2445 | ql_dbg(ql_dbg_init, vha, 0x0042, |
| 2446 | "Disabled the MSI.\n"); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2447 | } |
| 2448 | |
| 2449 | static int |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2450 | qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2451 | { |
Lalit Chandivade | ad038fa | 2009-01-22 09:45:33 -0800 | [diff] [blame] | 2452 | #define MIN_MSIX_COUNT 2 |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2453 | int i, ret; |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2454 | struct msix_entry *entries; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2455 | struct qla_msix_entry *qentry; |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2456 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2457 | |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2458 | entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, |
Giridhar Malavali | a908301 | 2010-04-12 17:59:55 -0700 | [diff] [blame] | 2459 | GFP_KERNEL); |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2460 | if (!entries) { |
| 2461 | ql_log(ql_log_warn, vha, 0x00bc, |
| 2462 | "Failed to allocate memory for msix_entry.\n"); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2463 | return -ENOMEM; |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2464 | } |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2465 | |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2466 | for (i = 0; i < ha->msix_count; i++) |
| 2467 | entries[i].entry = i; |
| 2468 | |
| 2469 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2470 | if (ret) { |
Lalit Chandivade | ad038fa | 2009-01-22 09:45:33 -0800 | [diff] [blame] | 2471 | if (ret < MIN_MSIX_COUNT) |
| 2472 | goto msix_failed; |
| 2473 | |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2474 | ql_log(ql_log_warn, vha, 0x00c6, |
| 2475 | "MSI-X: Failed to enable support " |
| 2476 | "-- %d/%d\n Retry with %d vectors.\n", |
| 2477 | ha->msix_count, ret, ret); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2478 | ha->msix_count = ret; |
| 2479 | ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
| 2480 | if (ret) { |
Lalit Chandivade | ad038fa | 2009-01-22 09:45:33 -0800 | [diff] [blame] | 2481 | msix_failed: |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2482 | ql_log(ql_log_fatal, vha, 0x00c7, |
| 2483 | "MSI-X: Failed to enable support, " |
| 2484 | "giving up -- %d/%d.\n", |
| 2485 | ha->msix_count, ret); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2486 | goto msix_out; |
| 2487 | } |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2488 | ha->max_rsp_queues = ha->msix_count - 1; |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2489 | } |
| 2490 | ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * |
| 2491 | ha->msix_count, GFP_KERNEL); |
| 2492 | if (!ha->msix_entries) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2493 | ql_log(ql_log_fatal, vha, 0x00c8, |
| 2494 | "Failed to allocate memory for ha->msix_entries.\n"); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2495 | ret = -ENOMEM; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2496 | goto msix_out; |
| 2497 | } |
| 2498 | ha->flags.msix_enabled = 1; |
| 2499 | |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2500 | for (i = 0; i < ha->msix_count; i++) { |
| 2501 | qentry = &ha->msix_entries[i]; |
| 2502 | qentry->vector = entries[i].vector; |
| 2503 | qentry->entry = entries[i].entry; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2504 | qentry->have_irq = 0; |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2505 | qentry->rsp = NULL; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2506 | } |
| 2507 | |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2508 | /* Enable MSI-X vectors for the base queue */ |
| 2509 | for (i = 0; i < 2; i++) { |
| 2510 | qentry = &ha->msix_entries[i]; |
Giridhar Malavali | a908301 | 2010-04-12 17:59:55 -0700 | [diff] [blame] | 2511 | if (IS_QLA82XX(ha)) { |
| 2512 | ret = request_irq(qentry->vector, |
| 2513 | qla82xx_msix_entries[i].handler, |
| 2514 | 0, qla82xx_msix_entries[i].name, rsp); |
| 2515 | } else { |
| 2516 | ret = request_irq(qentry->vector, |
| 2517 | msix_entries[i].handler, |
| 2518 | 0, msix_entries[i].name, rsp); |
| 2519 | } |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2520 | if (ret) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2521 | ql_log(ql_log_fatal, vha, 0x00cb, |
| 2522 | "MSI-X: unable to register handler -- %x/%d.\n", |
| 2523 | qentry->vector, ret); |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2524 | qla24xx_disable_msix(ha); |
| 2525 | ha->mqenable = 0; |
| 2526 | goto msix_out; |
| 2527 | } |
| 2528 | qentry->have_irq = 1; |
| 2529 | qentry->rsp = rsp; |
| 2530 | rsp->msix = qentry; |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2531 | } |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2532 | |
| 2533 | /* Enable MSI-X vector for response queue update for queue 0 */ |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2534 | if (ha->mqiobase && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2535 | ha->mqenable = 1; |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2536 | ql_dbg(ql_dbg_multiq, vha, 0xc005, |
| 2537 | "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", |
| 2538 | ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); |
| 2539 | ql_dbg(ql_dbg_init, vha, 0x0055, |
| 2540 | "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", |
| 2541 | ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2542 | |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2543 | msix_out: |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2544 | kfree(entries); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2545 | return ret; |
| 2546 | } |
| 2547 | |
| 2548 | int |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2549 | qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2550 | { |
| 2551 | int ret; |
Andrew Vasquez | 963b0fd | 2008-01-31 12:33:50 -0800 | [diff] [blame] | 2552 | device_reg_t __iomem *reg = ha->iobase; |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2553 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2554 | |
| 2555 | /* If possible, enable MSI-X. */ |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 2556 | if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && |
Giridhar Malavali | a908301 | 2010-04-12 17:59:55 -0700 | [diff] [blame] | 2557 | !IS_QLA8432(ha) && !IS_QLA8XXX_TYPE(ha)) |
Ben Hutchings | 6377a7a | 2010-03-19 16:59:19 -0700 | [diff] [blame] | 2558 | goto skip_msi; |
| 2559 | |
| 2560 | if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && |
| 2561 | (ha->pdev->subsystem_device == 0x7040 || |
| 2562 | ha->pdev->subsystem_device == 0x7041 || |
| 2563 | ha->pdev->subsystem_device == 0x1705)) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2564 | ql_log(ql_log_warn, vha, 0x0034, |
| 2565 | "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", |
Ben Hutchings | 6377a7a | 2010-03-19 16:59:19 -0700 | [diff] [blame] | 2566 | ha->pdev->subsystem_vendor, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2567 | ha->pdev->subsystem_device); |
Ben Hutchings | 6377a7a | 2010-03-19 16:59:19 -0700 | [diff] [blame] | 2568 | goto skip_msi; |
| 2569 | } |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2570 | |
Chad Dupuis | 42cd4f5 | 2011-08-16 11:29:24 -0700 | [diff] [blame] | 2571 | if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2572 | ql_log(ql_log_warn, vha, 0x0035, |
| 2573 | "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", |
Chad Dupuis | 42cd4f5 | 2011-08-16 11:29:24 -0700 | [diff] [blame] | 2574 | ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2575 | goto skip_msix; |
| 2576 | } |
| 2577 | |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2578 | ret = qla24xx_enable_msix(ha, rsp); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2579 | if (!ret) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2580 | ql_dbg(ql_dbg_init, vha, 0x0036, |
| 2581 | "MSI-X: Enabled (0x%X, 0x%X).\n", |
| 2582 | ha->chip_revision, ha->fw_attributes); |
Andrew Vasquez | 963b0fd | 2008-01-31 12:33:50 -0800 | [diff] [blame] | 2583 | goto clear_risc_ints; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2584 | } |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2585 | ql_log(ql_log_info, vha, 0x0037, |
| 2586 | "MSI-X Falling back-to MSI mode -%d.\n", ret); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2587 | skip_msix: |
Andrew Vasquez | cbedb60 | 2007-05-07 07:43:02 -0700 | [diff] [blame] | 2588 | |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 2589 | if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
| 2590 | !IS_QLA8001(ha)) |
Andrew Vasquez | cbedb60 | 2007-05-07 07:43:02 -0700 | [diff] [blame] | 2591 | goto skip_msi; |
| 2592 | |
| 2593 | ret = pci_enable_msi(ha->pdev); |
| 2594 | if (!ret) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2595 | ql_dbg(ql_dbg_init, vha, 0x0038, |
| 2596 | "MSI: Enabled.\n"); |
Andrew Vasquez | cbedb60 | 2007-05-07 07:43:02 -0700 | [diff] [blame] | 2597 | ha->flags.msi_enabled = 1; |
Giridhar Malavali | a908301 | 2010-04-12 17:59:55 -0700 | [diff] [blame] | 2598 | } else |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2599 | ql_log(ql_log_warn, vha, 0x0039, |
| 2600 | "MSI-X; Falling back-to INTa mode -- %d.\n", ret); |
Andrew Vasquez | cbedb60 | 2007-05-07 07:43:02 -0700 | [diff] [blame] | 2601 | skip_msi: |
| 2602 | |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 2603 | ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, |
Mike Hernandez | 7992abf | 2010-11-23 16:52:47 -0800 | [diff] [blame] | 2604 | ha->flags.msi_enabled ? 0 : IRQF_SHARED, |
| 2605 | QLA2XXX_DRIVER_NAME, rsp); |
Andrew Vasquez | 963b0fd | 2008-01-31 12:33:50 -0800 | [diff] [blame] | 2606 | if (ret) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2607 | ql_log(ql_log_warn, vha, 0x003a, |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2608 | "Failed to reserve interrupt %d already in use.\n", |
| 2609 | ha->pdev->irq); |
Andrew Vasquez | 963b0fd | 2008-01-31 12:33:50 -0800 | [diff] [blame] | 2610 | goto fail; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2611 | } |
Mike Hernandez | 7992abf | 2010-11-23 16:52:47 -0800 | [diff] [blame] | 2612 | |
Andrew Vasquez | 963b0fd | 2008-01-31 12:33:50 -0800 | [diff] [blame] | 2613 | clear_risc_ints: |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2614 | |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 2615 | /* |
| 2616 | * FIXME: Noted that 8014s were being dropped during NK testing. |
| 2617 | * Timing deltas during MSI-X/INTa transitions? |
| 2618 | */ |
Giridhar Malavali | a908301 | 2010-04-12 17:59:55 -0700 | [diff] [blame] | 2619 | if (IS_QLA81XX(ha) || IS_QLA82XX(ha)) |
Andrew Vasquez | 3a03eb7 | 2009-01-05 11:18:11 -0800 | [diff] [blame] | 2620 | goto fail; |
Andrew Vasquez | c695248 | 2008-04-03 13:13:17 -0700 | [diff] [blame] | 2621 | spin_lock_irq(&ha->hardware_lock); |
Andrew Vasquez | 963b0fd | 2008-01-31 12:33:50 -0800 | [diff] [blame] | 2622 | if (IS_FWI2_CAPABLE(ha)) { |
| 2623 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); |
| 2624 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); |
| 2625 | } else { |
| 2626 | WRT_REG_WORD(®->isp.semaphore, 0); |
| 2627 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); |
| 2628 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); |
| 2629 | } |
Andrew Vasquez | c695248 | 2008-04-03 13:13:17 -0700 | [diff] [blame] | 2630 | spin_unlock_irq(&ha->hardware_lock); |
Andrew Vasquez | 963b0fd | 2008-01-31 12:33:50 -0800 | [diff] [blame] | 2631 | |
| 2632 | fail: |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2633 | return ret; |
| 2634 | } |
| 2635 | |
| 2636 | void |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2637 | qla2x00_free_irqs(scsi_qla_host_t *vha) |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2638 | { |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2639 | struct qla_hw_data *ha = vha->hw; |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2640 | struct rsp_que *rsp = ha->rsp_q_map[0]; |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2641 | |
| 2642 | if (ha->flags.msix_enabled) |
| 2643 | qla24xx_disable_msix(ha); |
Joe Carnuccio | 90a86fc | 2010-01-12 13:02:46 -0800 | [diff] [blame] | 2644 | else if (ha->flags.msi_enabled) { |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2645 | free_irq(ha->pdev->irq, rsp); |
Andrew Vasquez | cbedb60 | 2007-05-07 07:43:02 -0700 | [diff] [blame] | 2646 | pci_disable_msi(ha->pdev); |
Joe Carnuccio | 90a86fc | 2010-01-12 13:02:46 -0800 | [diff] [blame] | 2647 | } else |
| 2648 | free_irq(ha->pdev->irq, rsp); |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 2649 | } |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 2650 | |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2651 | |
| 2652 | int qla25xx_request_irq(struct rsp_que *rsp) |
| 2653 | { |
| 2654 | struct qla_hw_data *ha = rsp->hw; |
Anirban Chakraborty | 2afa19a | 2009-04-06 22:33:40 -0700 | [diff] [blame] | 2655 | struct qla_init_msix_entry *intr = &msix_entries[2]; |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2656 | struct qla_msix_entry *msix = rsp->msix; |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2657 | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2658 | int ret; |
| 2659 | |
| 2660 | ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); |
| 2661 | if (ret) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 2662 | ql_log(ql_log_fatal, vha, 0x00e6, |
| 2663 | "MSI-X: Unable to register handler -- %x/%d.\n", |
| 2664 | msix->vector, ret); |
Anirban Chakraborty | 73208df | 2008-12-09 16:45:39 -0800 | [diff] [blame] | 2665 | return ret; |
| 2666 | } |
| 2667 | msix->have_irq = 1; |
| 2668 | msix->rsp = rsp; |
| 2669 | return ret; |
| 2670 | } |