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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Andrew Vasquezfa90c542005-10-27 11:10:08 -07002 * QLogic Fibre Channel HBA Driver
Armen Baloyanbd21eaf2014-04-11 16:54:24 -04003 * Copyright (c) 2003-2014 QLogic Corporation
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
Andrew Vasquezfa90c542005-10-27 11:10:08 -07005 * See LICENSE.qla2xxx for copyright and licensing details.
Linus Torvalds1da177e2005-04-16 15:20:36 -07006 */
7#include "qla_def.h"
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04008#include "qla_target.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -07009
Andrew Vasquez05236a02007-09-20 14:07:37 -070010#include <linux/delay.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090011#include <linux/slab.h>
Andrew Vasquezdf7baa52006-10-13 09:33:39 -070012#include <scsi/scsi_tcq.h>
Giridhar Malavali9a069e12010-01-12 13:02:47 -080013#include <scsi/scsi_bsg_fc.h>
Arun Easibad75002010-05-04 15:01:30 -070014#include <scsi/scsi_eh.h>
Andrew Vasquezdf7baa52006-10-13 09:33:39 -070015
Linus Torvalds1da177e2005-04-16 15:20:36 -070016static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
Anirban Chakraborty73208df2008-12-09 16:45:39 -080017static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -070018static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
Anirban Chakraborty73208df2008-12-09 16:45:39 -080019static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
20 sts_entry_t *);
Quinn Trancdb898c2015-12-17 14:57:05 -050021static void qla_irq_affinity_notify(struct irq_affinity_notify *,
22 const cpumask_t *);
23static void qla_irq_affinity_release(struct kref *);
24
Andrew Vasquez9a853f72005-07-06 10:31:27 -070025
Linus Torvalds1da177e2005-04-16 15:20:36 -070026/**
27 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
28 * @irq:
29 * @dev_id: SCSI driver HA context
Linus Torvalds1da177e2005-04-16 15:20:36 -070030 *
31 * Called by system whenever the host adapter generates an interrupt.
32 *
33 * Returns handled flag.
34 */
35irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +010036qla2100_intr_handler(int irq, void *dev_id)
Linus Torvalds1da177e2005-04-16 15:20:36 -070037{
Anirban Chakrabortye315cd22008-11-06 10:40:51 -080038 scsi_qla_host_t *vha;
39 struct qla_hw_data *ha;
Andrew Vasquez3d716442005-07-06 10:30:26 -070040 struct device_reg_2xxx __iomem *reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -070041 int status;
Linus Torvalds1da177e2005-04-16 15:20:36 -070042 unsigned long iter;
Seokmann Ju14e660e2007-09-20 14:07:36 -070043 uint16_t hccr;
Andrew Vasquez9a853f72005-07-06 10:31:27 -070044 uint16_t mb[4];
Anirban Chakrabortye315cd22008-11-06 10:40:51 -080045 struct rsp_que *rsp;
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -070046 unsigned long flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -070047
Anirban Chakrabortye315cd22008-11-06 10:40:51 -080048 rsp = (struct rsp_que *) dev_id;
49 if (!rsp) {
Chad Dupuis3256b432012-02-09 11:15:47 -080050 ql_log(ql_log_info, NULL, 0x505d,
51 "%s: NULL response queue pointer.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -070052 return (IRQ_NONE);
53 }
54
Anirban Chakrabortye315cd22008-11-06 10:40:51 -080055 ha = rsp->hw;
Andrew Vasquez3d716442005-07-06 10:30:26 -070056 reg = &ha->iobase->isp;
Linus Torvalds1da177e2005-04-16 15:20:36 -070057 status = 0;
58
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -070059 spin_lock_irqsave(&ha->hardware_lock, flags);
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -070060 vha = pci_get_drvdata(ha->pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070061 for (iter = 50; iter--; ) {
Seokmann Ju14e660e2007-09-20 14:07:36 -070062 hccr = RD_REG_WORD(&reg->hccr);
Joe Lawrencec821e0d2014-08-26 17:11:41 -040063 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
Chad Dupuisf3ddac12013-10-30 03:38:16 -040064 break;
Seokmann Ju14e660e2007-09-20 14:07:36 -070065 if (hccr & HCCR_RISC_PAUSE) {
66 if (pci_channel_offline(ha->pdev))
67 break;
68
69 /*
70 * Issue a "HARD" reset in order for the RISC interrupt
Justin P. Mattocka06a0f82011-06-23 23:22:27 -070071 * bit to be cleared. Schedule a big hammer to get
Seokmann Ju14e660e2007-09-20 14:07:36 -070072 * out of the RISC PAUSED state.
73 */
74 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
75 RD_REG_WORD(&reg->hccr);
76
Anirban Chakrabortye315cd22008-11-06 10:40:51 -080077 ha->isp_ops->fw_dump(vha, 1);
78 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Seokmann Ju14e660e2007-09-20 14:07:36 -070079 break;
80 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -070081 break;
82
83 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
84 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
85 RD_REG_WORD(&reg->hccr);
86
87 /* Get mailbox data. */
Andrew Vasquez9a853f72005-07-06 10:31:27 -070088 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
89 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
Anirban Chakrabortye315cd22008-11-06 10:40:51 -080090 qla2x00_mbx_completion(vha, mb[0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -070091 status |= MBX_INTERRUPT;
Andrew Vasquez9a853f72005-07-06 10:31:27 -070092 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
93 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
94 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
95 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
Anirban Chakraborty73208df2008-12-09 16:45:39 -080096 qla2x00_async_event(vha, rsp, mb);
Linus Torvalds1da177e2005-04-16 15:20:36 -070097 } else {
98 /*EMPTY*/
Saurav Kashyap7c3df132011-07-14 12:00:13 -070099 ql_dbg(ql_dbg_async, vha, 0x5025,
100 "Unrecognized interrupt type (%d).\n",
101 mb[0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102 }
103 /* Release mailbox registers. */
104 WRT_REG_WORD(&reg->semaphore, 0);
105 RD_REG_WORD(&reg->semaphore);
106 } else {
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800107 qla2x00_process_response_queue(rsp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108
109 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
110 RD_REG_WORD(&reg->hccr);
111 }
112 }
gurinder.shergill@hp.com36439832013-04-23 10:13:17 -0700113 qla2x00_handle_mbx_completion(ha, status);
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -0700114 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116 return (IRQ_HANDLED);
117}
118
Chad Dupuisf3ddac12013-10-30 03:38:16 -0400119bool
Joe Lawrencec821e0d2014-08-26 17:11:41 -0400120qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
Chad Dupuisf3ddac12013-10-30 03:38:16 -0400121{
122 /* Check for PCI disconnection */
Thadeu Lima de Souza Cascardoa30c2a32015-04-30 09:13:05 -0300123 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
Joe Lawrencebeb9e312014-08-26 17:12:14 -0400124 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
Joe Lawrence6b383972014-08-26 17:12:29 -0400125 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
126 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
Joe Lawrence232792b2014-08-26 17:12:01 -0400127 /*
128 * Schedule this (only once) on the default system
129 * workqueue so that all the adapter workqueues and the
130 * DPC thread can be shutdown cleanly.
131 */
132 schedule_work(&vha->hw->board_disable);
133 }
Chad Dupuisf3ddac12013-10-30 03:38:16 -0400134 return true;
135 } else
136 return false;
137}
138
Joe Lawrencec821e0d2014-08-26 17:11:41 -0400139bool
140qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
141{
142 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
143}
144
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145/**
146 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
147 * @irq:
148 * @dev_id: SCSI driver HA context
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149 *
150 * Called by system whenever the host adapter generates an interrupt.
151 *
152 * Returns handled flag.
153 */
154irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +0100155qla2300_intr_handler(int irq, void *dev_id)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156{
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800157 scsi_qla_host_t *vha;
Andrew Vasquez3d716442005-07-06 10:30:26 -0700158 struct device_reg_2xxx __iomem *reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159 int status;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160 unsigned long iter;
161 uint32_t stat;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162 uint16_t hccr;
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700163 uint16_t mb[4];
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800164 struct rsp_que *rsp;
165 struct qla_hw_data *ha;
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -0700166 unsigned long flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800168 rsp = (struct rsp_que *) dev_id;
169 if (!rsp) {
Chad Dupuis3256b432012-02-09 11:15:47 -0800170 ql_log(ql_log_info, NULL, 0x5058,
171 "%s: NULL response queue pointer.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700172 return (IRQ_NONE);
173 }
174
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800175 ha = rsp->hw;
Andrew Vasquez3d716442005-07-06 10:30:26 -0700176 reg = &ha->iobase->isp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177 status = 0;
178
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -0700179 spin_lock_irqsave(&ha->hardware_lock, flags);
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -0700180 vha = pci_get_drvdata(ha->pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700181 for (iter = 50; iter--; ) {
182 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
Joe Lawrencec821e0d2014-08-26 17:11:41 -0400183 if (qla2x00_check_reg32_for_disconnect(vha, stat))
Chad Dupuisf3ddac12013-10-30 03:38:16 -0400184 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185 if (stat & HSR_RISC_PAUSED) {
Andrew Vasquez85880802009-12-15 21:29:46 -0800186 if (unlikely(pci_channel_offline(ha->pdev)))
Seokmann Ju14e660e2007-09-20 14:07:36 -0700187 break;
188
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189 hccr = RD_REG_WORD(&reg->hccr);
Chad Dupuisf3ddac12013-10-30 03:38:16 -0400190
Linus Torvalds1da177e2005-04-16 15:20:36 -0700191 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700192 ql_log(ql_log_warn, vha, 0x5026,
193 "Parity error -- HCCR=%x, Dumping "
194 "firmware.\n", hccr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195 else
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700196 ql_log(ql_log_warn, vha, 0x5027,
197 "RISC paused -- HCCR=%x, Dumping "
198 "firmware.\n", hccr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199
200 /*
201 * Issue a "HARD" reset in order for the RISC
202 * interrupt bit to be cleared. Schedule a big
Justin P. Mattocka06a0f82011-06-23 23:22:27 -0700203 * hammer to get out of the RISC PAUSED state.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700204 */
205 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
206 RD_REG_WORD(&reg->hccr);
Andrew Vasquez07f31802006-12-13 19:20:31 -0800207
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800208 ha->isp_ops->fw_dump(vha, 1);
209 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700210 break;
211 } else if ((stat & HSR_RISC_INT) == 0)
212 break;
213
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214 switch (stat & 0xff) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700215 case 0x1:
216 case 0x2:
217 case 0x10:
218 case 0x11:
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800219 qla2x00_mbx_completion(vha, MSW(stat));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220 status |= MBX_INTERRUPT;
221
222 /* Release mailbox registers. */
223 WRT_REG_WORD(&reg->semaphore, 0);
224 break;
225 case 0x12:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700226 mb[0] = MSW(stat);
227 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
228 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
229 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800230 qla2x00_async_event(vha, rsp, mb);
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700231 break;
232 case 0x13:
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800233 qla2x00_process_response_queue(rsp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700234 break;
235 case 0x15:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700236 mb[0] = MBA_CMPLT_1_16BIT;
237 mb[1] = MSW(stat);
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800238 qla2x00_async_event(vha, rsp, mb);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700239 break;
240 case 0x16:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700241 mb[0] = MBA_SCSI_COMPLETION;
242 mb[1] = MSW(stat);
243 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800244 qla2x00_async_event(vha, rsp, mb);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700245 break;
246 default:
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700247 ql_dbg(ql_dbg_async, vha, 0x5028,
248 "Unrecognized interrupt type (%d).\n", stat & 0xff);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700249 break;
250 }
251 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
252 RD_REG_WORD_RELAXED(&reg->hccr);
253 }
gurinder.shergill@hp.com36439832013-04-23 10:13:17 -0700254 qla2x00_handle_mbx_completion(ha, status);
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -0700255 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700256
Linus Torvalds1da177e2005-04-16 15:20:36 -0700257 return (IRQ_HANDLED);
258}
259
260/**
261 * qla2x00_mbx_completion() - Process mailbox command completions.
262 * @ha: SCSI driver HA context
263 * @mb0: Mailbox0 register
264 */
265static void
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800266qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700267{
268 uint16_t cnt;
Andrew Vasquez4fa94f82011-11-18 09:03:09 -0800269 uint32_t mboxes;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700270 uint16_t __iomem *wptr;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800271 struct qla_hw_data *ha = vha->hw;
Andrew Vasquez3d716442005-07-06 10:30:26 -0700272 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700273
Andrew Vasquez4fa94f82011-11-18 09:03:09 -0800274 /* Read all mbox registers? */
275 mboxes = (1 << ha->mbx_count) - 1;
276 if (!ha->mcp)
Masanari Iidaa7201012012-11-21 02:40:42 -0500277 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
Andrew Vasquez4fa94f82011-11-18 09:03:09 -0800278 else
279 mboxes = ha->mcp->in_mb;
280
Linus Torvalds1da177e2005-04-16 15:20:36 -0700281 /* Load return mailbox registers. */
282 ha->flags.mbox_int = 1;
283 ha->mailbox_out[0] = mb0;
Andrew Vasquez4fa94f82011-11-18 09:03:09 -0800284 mboxes >>= 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700285 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
286
287 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700288 if (IS_QLA2200(ha) && cnt == 8)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700289 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
Andrew Vasquez4fa94f82011-11-18 09:03:09 -0800290 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700291 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
Andrew Vasquez4fa94f82011-11-18 09:03:09 -0800292 else if (mboxes & BIT_0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700293 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700294
Linus Torvalds1da177e2005-04-16 15:20:36 -0700295 wptr++;
Andrew Vasquez4fa94f82011-11-18 09:03:09 -0800296 mboxes >>= 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700297 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700298}
299
Andrew Vasquez8a659572009-02-08 20:50:12 -0800300static void
301qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
302{
303 static char *event[] =
304 { "Complete", "Request Notification", "Time Extension" };
305 int rval;
306 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
Chad Dupuis9e5054e2013-10-30 03:38:23 -0400307 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
Andrew Vasquez8a659572009-02-08 20:50:12 -0800308 uint16_t __iomem *wptr;
309 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
310
311 /* Seed data -- mailbox1 -> mailbox7. */
Chad Dupuis9e5054e2013-10-30 03:38:23 -0400312 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
313 wptr = (uint16_t __iomem *)&reg24->mailbox1;
314 else if (IS_QLA8044(vha->hw))
315 wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
316 else
317 return;
318
Andrew Vasquez8a659572009-02-08 20:50:12 -0800319 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
320 mb[cnt] = RD_REG_WORD(wptr);
321
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700322 ql_dbg(ql_dbg_async, vha, 0x5021,
Giridhar Malavali6246b8a2012-02-09 11:15:34 -0800323 "Inter-Driver Communication %s -- "
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700324 "%04x %04x %04x %04x %04x %04x %04x.\n",
325 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
326 mb[4], mb[5], mb[6]);
Santosh Vernekar454073c2013-08-27 01:37:48 -0400327 switch (aen) {
328 /* Handle IDC Error completion case. */
329 case MBA_IDC_COMPLETE:
330 if (mb[1] >> 15) {
331 vha->hw->flags.idc_compl_status = 1;
Chad Dupuis9aaf2ce2013-10-30 03:38:25 -0400332 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
Santosh Vernekar454073c2013-08-27 01:37:48 -0400333 complete(&vha->hw->dcbx_comp);
334 }
335 break;
336
337 case MBA_IDC_NOTIFY:
338 /* Acknowledgement needed? [Notify && non-zero timeout]. */
339 timeout = (descr >> 8) & 0xf;
340 ql_dbg(ql_dbg_async, vha, 0x5022,
341 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
342 vha->host_no, event[aen & 0xff], timeout);
343
344 if (!timeout)
345 return;
346 rval = qla2x00_post_idc_ack_work(vha, mb);
347 if (rval != QLA_SUCCESS)
348 ql_log(ql_log_warn, vha, 0x5023,
349 "IDC failed to post ACK.\n");
350 break;
351 case MBA_IDC_TIME_EXT:
352 vha->hw->idc_extend_tmo = descr;
353 ql_dbg(ql_dbg_async, vha, 0x5087,
354 "%lu Inter-Driver Communication %s -- "
355 "Extend timeout by=%d.\n",
356 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
357 break;
Chad Dupuis8fcd6b82012-08-22 14:21:06 -0400358 }
Andrew Vasquez8a659572009-02-08 20:50:12 -0800359}
360
Chad Dupuisdaae62a2012-05-15 14:34:23 -0400361#define LS_UNKNOWN 2
Joe Carnucciod0297c92012-11-21 02:40:40 -0500362const char *
363qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
Chad Dupuisdaae62a2012-05-15 14:34:23 -0400364{
Chad Dupuisf73cb692014-02-26 04:15:06 -0500365 static const char *const link_speeds[] = {
366 "1", "2", "?", "4", "8", "16", "32", "10"
Joe Carnucciod0297c92012-11-21 02:40:40 -0500367 };
Chad Dupuisf73cb692014-02-26 04:15:06 -0500368#define QLA_LAST_SPEED 7
Chad Dupuisdaae62a2012-05-15 14:34:23 -0400369
370 if (IS_QLA2100(ha) || IS_QLA2200(ha))
Joe Carnucciod0297c92012-11-21 02:40:40 -0500371 return link_speeds[0];
372 else if (speed == 0x13)
Chad Dupuisf73cb692014-02-26 04:15:06 -0500373 return link_speeds[QLA_LAST_SPEED];
374 else if (speed < QLA_LAST_SPEED)
Joe Carnucciod0297c92012-11-21 02:40:40 -0500375 return link_speeds[speed];
376 else
377 return link_speeds[LS_UNKNOWN];
Chad Dupuisdaae62a2012-05-15 14:34:23 -0400378}
379
Saurav Kashyapfa492632012-11-21 02:40:29 -0500380static void
Santosh Vernekar7d613ac2012-08-22 14:21:03 -0400381qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
382{
383 struct qla_hw_data *ha = vha->hw;
384
385 /*
386 * 8200 AEN Interpretation:
387 * mb[0] = AEN code
388 * mb[1] = AEN Reason code
389 * mb[2] = LSW of Peg-Halt Status-1 Register
390 * mb[6] = MSW of Peg-Halt Status-1 Register
391 * mb[3] = LSW of Peg-Halt Status-2 register
392 * mb[7] = MSW of Peg-Halt Status-2 register
393 * mb[4] = IDC Device-State Register value
394 * mb[5] = IDC Driver-Presence Register value
395 */
396 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
397 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
398 mb[0], mb[1], mb[2], mb[6]);
399 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
400 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
401 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
402
403 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
404 IDC_HEARTBEAT_FAILURE)) {
405 ha->flags.nic_core_hung = 1;
406 ql_log(ql_log_warn, vha, 0x5060,
407 "83XX: F/W Error Reported: Check if reset required.\n");
408
409 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
410 uint32_t protocol_engine_id, fw_err_code, err_level;
411
412 /*
413 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
414 * - PEG-Halt Status-1 Register:
415 * (LSW = mb[2], MSW = mb[6])
416 * Bits 0-7 = protocol-engine ID
417 * Bits 8-28 = f/w error code
418 * Bits 29-31 = Error-level
419 * Error-level 0x1 = Non-Fatal error
420 * Error-level 0x2 = Recoverable Fatal error
421 * Error-level 0x4 = UnRecoverable Fatal error
422 * - PEG-Halt Status-2 Register:
423 * (LSW = mb[3], MSW = mb[7])
424 */
425 protocol_engine_id = (mb[2] & 0xff);
426 fw_err_code = (((mb[2] & 0xff00) >> 8) |
427 ((mb[6] & 0x1fff) << 8));
428 err_level = ((mb[6] & 0xe000) >> 13);
429 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
430 "Register: protocol_engine_id=0x%x "
431 "fw_err_code=0x%x err_level=0x%x.\n",
432 protocol_engine_id, fw_err_code, err_level);
433 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
434 "Register: 0x%x%x.\n", mb[7], mb[3]);
435 if (err_level == ERR_LEVEL_NON_FATAL) {
436 ql_log(ql_log_warn, vha, 0x5063,
437 "Not a fatal error, f/w has recovered "
438 "iteself.\n");
439 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
440 ql_log(ql_log_fatal, vha, 0x5064,
441 "Recoverable Fatal error: Chip reset "
442 "required.\n");
443 qla83xx_schedule_work(vha,
444 QLA83XX_NIC_CORE_RESET);
445 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
446 ql_log(ql_log_fatal, vha, 0x5065,
447 "Unrecoverable Fatal error: Set FAILED "
448 "state, reboot required.\n");
449 qla83xx_schedule_work(vha,
450 QLA83XX_NIC_CORE_UNRECOVERABLE);
451 }
452 }
453
454 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
455 uint16_t peg_fw_state, nw_interface_link_up;
456 uint16_t nw_interface_signal_detect, sfp_status;
457 uint16_t htbt_counter, htbt_monitor_enable;
458 uint16_t sfp_additonal_info, sfp_multirate;
459 uint16_t sfp_tx_fault, link_speed, dcbx_status;
460
461 /*
462 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
463 * - PEG-to-FC Status Register:
464 * (LSW = mb[2], MSW = mb[6])
465 * Bits 0-7 = Peg-Firmware state
466 * Bit 8 = N/W Interface Link-up
467 * Bit 9 = N/W Interface signal detected
468 * Bits 10-11 = SFP Status
469 * SFP Status 0x0 = SFP+ transceiver not expected
470 * SFP Status 0x1 = SFP+ transceiver not present
471 * SFP Status 0x2 = SFP+ transceiver invalid
472 * SFP Status 0x3 = SFP+ transceiver present and
473 * valid
474 * Bits 12-14 = Heartbeat Counter
475 * Bit 15 = Heartbeat Monitor Enable
476 * Bits 16-17 = SFP Additional Info
477 * SFP info 0x0 = Unregocnized transceiver for
478 * Ethernet
479 * SFP info 0x1 = SFP+ brand validation failed
480 * SFP info 0x2 = SFP+ speed validation failed
481 * SFP info 0x3 = SFP+ access error
482 * Bit 18 = SFP Multirate
483 * Bit 19 = SFP Tx Fault
484 * Bits 20-22 = Link Speed
485 * Bits 23-27 = Reserved
486 * Bits 28-30 = DCBX Status
487 * DCBX Status 0x0 = DCBX Disabled
488 * DCBX Status 0x1 = DCBX Enabled
489 * DCBX Status 0x2 = DCBX Exchange error
490 * Bit 31 = Reserved
491 */
492 peg_fw_state = (mb[2] & 0x00ff);
493 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
494 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
495 sfp_status = ((mb[2] & 0x0c00) >> 10);
496 htbt_counter = ((mb[2] & 0x7000) >> 12);
497 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
498 sfp_additonal_info = (mb[6] & 0x0003);
499 sfp_multirate = ((mb[6] & 0x0004) >> 2);
500 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
501 link_speed = ((mb[6] & 0x0070) >> 4);
502 dcbx_status = ((mb[6] & 0x7000) >> 12);
503
504 ql_log(ql_log_warn, vha, 0x5066,
505 "Peg-to-Fc Status Register:\n"
506 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
507 "nw_interface_signal_detect=0x%x"
508 "\nsfp_statis=0x%x.\n ", peg_fw_state,
509 nw_interface_link_up, nw_interface_signal_detect,
510 sfp_status);
511 ql_log(ql_log_warn, vha, 0x5067,
512 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
513 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ",
514 htbt_counter, htbt_monitor_enable,
515 sfp_additonal_info, sfp_multirate);
516 ql_log(ql_log_warn, vha, 0x5068,
517 "sfp_tx_fault=0x%x, link_state=0x%x, "
518 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
519 dcbx_status);
520
521 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
522 }
523
524 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
525 ql_log(ql_log_warn, vha, 0x5069,
526 "Heartbeat Failure encountered, chip reset "
527 "required.\n");
528
529 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
530 }
531 }
532
533 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
534 ql_log(ql_log_info, vha, 0x506a,
535 "IDC Device-State changed = 0x%x.\n", mb[4]);
Saurav Kashyap6c3943c2013-02-08 01:58:02 -0500536 if (ha->flags.nic_core_reset_owner)
537 return;
Santosh Vernekar7d613ac2012-08-22 14:21:03 -0400538 qla83xx_schedule_work(vha, MBA_IDC_AEN);
539 }
540}
541
Chad Dupuisbb4cf5b2013-02-08 01:58:01 -0500542int
543qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
544{
545 struct qla_hw_data *ha = vha->hw;
546 scsi_qla_host_t *vp;
547 uint32_t vp_did;
548 unsigned long flags;
549 int ret = 0;
550
551 if (!ha->num_vhosts)
552 return ret;
553
554 spin_lock_irqsave(&ha->vport_slock, flags);
555 list_for_each_entry(vp, &ha->vp_list, list) {
556 vp_did = vp->d_id.b24;
557 if (vp_did == rscn_entry) {
558 ret = 1;
559 break;
560 }
561 }
562 spin_unlock_irqrestore(&ha->vport_slock, flags);
563
564 return ret;
565}
566
Joe Carnuccio17cac3a2015-08-04 13:37:52 -0400567static inline fc_port_t *
568qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
569{
570 fc_port_t *fcport;
571
572 list_for_each_entry(fcport, &vha->vp_fcports, list)
573 if (fcport->loop_id == loop_id)
574 return fcport;
575 return NULL;
576}
577
Linus Torvalds1da177e2005-04-16 15:20:36 -0700578/**
579 * qla2x00_async_event() - Process aynchronous events.
580 * @ha: SCSI driver HA context
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700581 * @mb: Mailbox registers (0 - 3)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700582 */
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700583void
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800584qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700585{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700586 uint16_t handle_cnt;
Andrew Vasquezbdab23d2009-10-13 15:16:46 -0700587 uint16_t cnt, mbx;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700588 uint32_t handles[5];
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800589 struct qla_hw_data *ha = vha->hw;
Andrew Vasquez3d716442005-07-06 10:30:26 -0700590 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
Andrew Vasquezbdab23d2009-10-13 15:16:46 -0700591 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
Andrew Vasquezbc5c2aa2010-12-21 16:00:24 -0800592 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
Bart Van Assche52c82822015-07-09 07:23:26 -0700593 uint32_t rscn_entry, host_pid;
Harihara Kadayam4d4df192008-04-03 13:13:26 -0700594 unsigned long flags;
Chad Dupuisef86cb22014-09-25 05:17:01 -0400595 fc_port_t *fcport = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700596
597 /* Setup to process RIO completion. */
598 handle_cnt = 0;
Giridhar Malavali6246b8a2012-02-09 11:15:34 -0800599 if (IS_CNA_CAPABLE(ha))
Andrew Vasquez3a03eb72009-01-05 11:18:11 -0800600 goto skip_rio;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700601 switch (mb[0]) {
602 case MBA_SCSI_COMPLETION:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700603 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700604 handle_cnt = 1;
605 break;
606 case MBA_CMPLT_1_16BIT:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700607 handles[0] = mb[1];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700608 handle_cnt = 1;
609 mb[0] = MBA_SCSI_COMPLETION;
610 break;
611 case MBA_CMPLT_2_16BIT:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700612 handles[0] = mb[1];
613 handles[1] = mb[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700614 handle_cnt = 2;
615 mb[0] = MBA_SCSI_COMPLETION;
616 break;
617 case MBA_CMPLT_3_16BIT:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700618 handles[0] = mb[1];
619 handles[1] = mb[2];
620 handles[2] = mb[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700621 handle_cnt = 3;
622 mb[0] = MBA_SCSI_COMPLETION;
623 break;
624 case MBA_CMPLT_4_16BIT:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700625 handles[0] = mb[1];
626 handles[1] = mb[2];
627 handles[2] = mb[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700628 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
629 handle_cnt = 4;
630 mb[0] = MBA_SCSI_COMPLETION;
631 break;
632 case MBA_CMPLT_5_16BIT:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700633 handles[0] = mb[1];
634 handles[1] = mb[2];
635 handles[2] = mb[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700636 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
637 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
638 handle_cnt = 5;
639 mb[0] = MBA_SCSI_COMPLETION;
640 break;
641 case MBA_CMPLT_2_32BIT:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700642 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700643 handles[1] = le32_to_cpu(
644 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
645 RD_MAILBOX_REG(ha, reg, 6));
646 handle_cnt = 2;
647 mb[0] = MBA_SCSI_COMPLETION;
648 break;
649 default:
650 break;
651 }
Andrew Vasquez3a03eb72009-01-05 11:18:11 -0800652skip_rio:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700653 switch (mb[0]) {
654 case MBA_SCSI_COMPLETION: /* Fast Post */
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800655 if (!vha->flags.online)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700656 break;
657
658 for (cnt = 0; cnt < handle_cnt; cnt++)
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800659 qla2x00_process_completed_request(vha, rsp->req,
660 handles[cnt]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700661 break;
662
663 case MBA_RESET: /* Reset */
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700664 ql_dbg(ql_dbg_async, vha, 0x5002,
665 "Asynchronous RESET.\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700666
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800667 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700668 break;
669
670 case MBA_SYSTEM_ERR: /* System Error */
Chad Dupuisf73cb692014-02-26 04:15:06 -0500671 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
Giridhar Malavali6246b8a2012-02-09 11:15:34 -0800672 RD_REG_WORD(&reg24->mailbox7) : 0;
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700673 ql_log(ql_log_warn, vha, 0x5003,
Andrew Vasquezbdab23d2009-10-13 15:16:46 -0700674 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
675 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700676
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800677 ha->isp_ops->fw_dump(vha, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700678
Andrew Vasqueze4289242007-07-19 15:05:56 -0700679 if (IS_FWI2_CAPABLE(ha)) {
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700680 if (mb[1] == 0 && mb[2] == 0) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700681 ql_log(ql_log_fatal, vha, 0x5004,
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700682 "Unrecoverable Hardware Error: adapter "
683 "marked OFFLINE!\n");
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800684 vha->flags.online = 0;
Giridhar Malavali6246b8a2012-02-09 11:15:34 -0800685 vha->device_flags |= DFLG_DEV_FAILED;
Madhuranath Iyengarb1d46982010-09-03 15:20:54 -0700686 } else {
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300687 /* Check to see if MPI timeout occurred */
Chad Dupuisf73cb692014-02-26 04:15:06 -0500688 if ((mbx & MBX_3) && (ha->port_no == 0))
Madhuranath Iyengarb1d46982010-09-03 15:20:54 -0700689 set_bit(MPI_RESET_NEEDED,
690 &vha->dpc_flags);
691
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800692 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Madhuranath Iyengarb1d46982010-09-03 15:20:54 -0700693 }
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700694 } else if (mb[1] == 0) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700695 ql_log(ql_log_fatal, vha, 0x5005,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700696 "Unrecoverable Hardware Error: adapter marked "
697 "OFFLINE!\n");
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800698 vha->flags.online = 0;
Giridhar Malavali6246b8a2012-02-09 11:15:34 -0800699 vha->device_flags |= DFLG_DEV_FAILED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700700 } else
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800701 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700702 break;
703
704 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700705 ql_log(ql_log_warn, vha, 0x5006,
706 "ISP Request Transfer Error (%x).\n", mb[1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700707
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800708 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700709 break;
710
711 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700712 ql_log(ql_log_warn, vha, 0x5007,
Joe Carnuccio41233cd2016-07-06 11:14:29 -0400713 "ISP Response Transfer Error (%x).\n", mb[1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700714
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800715 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700716 break;
717
718 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700719 ql_dbg(ql_dbg_async, vha, 0x5008,
Joe Carnuccio41233cd2016-07-06 11:14:29 -0400720 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
Nicholas Bellinger2d70c102012-05-15 14:34:28 -0400721 break;
Joe Carnuccio41233cd2016-07-06 11:14:29 -0400722
723 case MBA_LOOP_INIT_ERR:
Sawan Chandak75d560e2016-07-06 11:14:33 -0400724 ql_log(ql_log_warn, vha, 0x5090,
Joe Carnuccio41233cd2016-07-06 11:14:29 -0400725 "LOOP INIT ERROR (%x).\n", mb[1]);
726 ha->isp_ops->fw_dump(vha, 1);
727 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
728 break;
729
Linus Torvalds1da177e2005-04-16 15:20:36 -0700730 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
Chad Dupuiscfb09192011-11-18 09:03:07 -0800731 ql_dbg(ql_dbg_async, vha, 0x5009,
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700732 "LIP occurred (%x).\n", mb[1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700733
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800734 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
735 atomic_set(&vha->loop_state, LOOP_DOWN);
736 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
737 qla2x00_mark_all_devices_lost(vha, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700738 }
739
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800740 if (vha->vp_idx) {
741 atomic_set(&vha->vp_state, VP_FAILED);
742 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700743 }
744
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800745 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
746 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700747
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800748 vha->flags.management_server_logged_in = 0;
749 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700750 break;
751
752 case MBA_LOOP_UP: /* Loop Up Event */
Chad Dupuisdaae62a2012-05-15 14:34:23 -0400753 if (IS_QLA2100(ha) || IS_QLA2200(ha))
Andrew Vasquezd8b45212006-10-02 12:00:43 -0700754 ha->link_data_rate = PORT_SPEED_1GB;
Chad Dupuisdaae62a2012-05-15 14:34:23 -0400755 else
Linus Torvalds1da177e2005-04-16 15:20:36 -0700756 ha->link_data_rate = mb[1];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700757
Chad Dupuis8e5a9482014-08-08 07:38:09 -0400758 ql_log(ql_log_info, vha, 0x500a,
Chad Dupuisdaae62a2012-05-15 14:34:23 -0400759 "LOOP UP detected (%s Gbps).\n",
Joe Carnucciod0297c92012-11-21 02:40:40 -0500760 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700761
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800762 vha->flags.management_server_logged_in = 0;
763 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700764 break;
765
766 case MBA_LOOP_DOWN: /* Loop Down Event */
Giridhar Malavali6246b8a2012-02-09 11:15:34 -0800767 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
768 ? RD_REG_WORD(&reg24->mailbox4) : 0;
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -0400769 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(&reg82->mailbox_out[4])
770 : mbx;
Chad Dupuis8e5a9482014-08-08 07:38:09 -0400771 ql_log(ql_log_info, vha, 0x500b,
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700772 "LOOP DOWN detected (%x %x %x %x).\n",
773 mb[1], mb[2], mb[3], mbx);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700774
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800775 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
776 atomic_set(&vha->loop_state, LOOP_DOWN);
777 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
Himanshu Madhani2486c622014-09-25 05:17:00 -0400778 /*
779 * In case of loop down, restore WWPN from
780 * NVRAM in case of FA-WWPN capable ISP
Sawan Chandak718abbd2015-04-09 15:00:07 -0400781 * Restore for Physical Port only
Himanshu Madhani2486c622014-09-25 05:17:00 -0400782 */
Sawan Chandak718abbd2015-04-09 15:00:07 -0400783 if (!vha->vp_idx) {
784 if (ha->flags.fawwpn_enabled) {
785 void *wwpn = ha->init_cb->port_name;
786 memcpy(vha->port_name, wwpn, WWN_SIZE);
787 fc_host_port_name(vha->host) =
788 wwn_to_u64(vha->port_name);
789 ql_dbg(ql_dbg_init + ql_dbg_verbose,
790 vha, 0x0144, "LOOP DOWN detected,"
791 "restore WWPN %016llx\n",
792 wwn_to_u64(vha->port_name));
793 }
Himanshu Madhani2486c622014-09-25 05:17:00 -0400794
Sawan Chandak718abbd2015-04-09 15:00:07 -0400795 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
Himanshu Madhani2486c622014-09-25 05:17:00 -0400796 }
797
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800798 vha->device_flags |= DFLG_NO_CABLE;
799 qla2x00_mark_all_devices_lost(vha, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700800 }
801
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800802 if (vha->vp_idx) {
803 atomic_set(&vha->vp_state, VP_FAILED);
804 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700805 }
806
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800807 vha->flags.management_server_logged_in = 0;
Andrew Vasquezd8b45212006-10-02 12:00:43 -0700808 ha->link_data_rate = PORT_SPEED_UNKNOWN;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800809 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700810 break;
811
812 case MBA_LIP_RESET: /* LIP reset occurred */
Chad Dupuiscfb09192011-11-18 09:03:07 -0800813 ql_dbg(ql_dbg_async, vha, 0x500c,
Bjorn Helgaascc3ef7b2008-09-11 21:22:51 -0700814 "LIP reset occurred (%x).\n", mb[1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700815
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800816 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
817 atomic_set(&vha->loop_state, LOOP_DOWN);
818 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
819 qla2x00_mark_all_devices_lost(vha, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700820 }
821
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800822 if (vha->vp_idx) {
823 atomic_set(&vha->vp_state, VP_FAILED);
824 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700825 }
826
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800827 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700828
829 ha->operating_mode = LOOP;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800830 vha->flags.management_server_logged_in = 0;
831 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700832 break;
833
Andrew Vasquez3a03eb72009-01-05 11:18:11 -0800834 /* case MBA_DCBX_COMPLETE: */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700835 case MBA_POINT_TO_POINT: /* Point-to-Point */
836 if (IS_QLA2100(ha))
837 break;
838
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -0400839 if (IS_CNA_CAPABLE(ha)) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700840 ql_dbg(ql_dbg_async, vha, 0x500d,
841 "DCBX Completed -- %04x %04x %04x.\n",
842 mb[1], mb[2], mb[3]);
Chad Dupuis9aaf2ce2013-10-30 03:38:25 -0400843 if (ha->notify_dcbx_comp && !vha->vp_idx)
Sarang Radke23f2ebd2010-05-28 15:08:21 -0700844 complete(&ha->dcbx_comp);
845
846 } else
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700847 ql_dbg(ql_dbg_async, vha, 0x500e,
848 "Asynchronous P2P MODE received.\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700849
850 /*
851 * Until there's a transition from loop down to loop up, treat
852 * this as loop down only.
853 */
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800854 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
855 atomic_set(&vha->loop_state, LOOP_DOWN);
856 if (!atomic_read(&vha->loop_down_timer))
857 atomic_set(&vha->loop_down_timer,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700858 LOOP_DOWN_TIME);
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800859 qla2x00_mark_all_devices_lost(vha, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700860 }
861
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800862 if (vha->vp_idx) {
863 atomic_set(&vha->vp_state, VP_FAILED);
864 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700865 }
866
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800867 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
868 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
869
870 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
871 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
Andrew Vasquez4346b142006-12-13 19:20:28 -0800872
873 ha->flags.gpsc_supported = 1;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800874 vha->flags.management_server_logged_in = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700875 break;
876
877 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
878 if (IS_QLA2100(ha))
879 break;
880
Chad Dupuiscfb09192011-11-18 09:03:07 -0800881 ql_dbg(ql_dbg_async, vha, 0x500f,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700882 "Configuration change detected: value=%x.\n", mb[1]);
883
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800884 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
885 atomic_set(&vha->loop_state, LOOP_DOWN);
886 if (!atomic_read(&vha->loop_down_timer))
887 atomic_set(&vha->loop_down_timer,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700888 LOOP_DOWN_TIME);
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800889 qla2x00_mark_all_devices_lost(vha, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700890 }
891
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800892 if (vha->vp_idx) {
893 atomic_set(&vha->vp_state, VP_FAILED);
894 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700895 }
896
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800897 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
898 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700899 break;
900
901 case MBA_PORT_UPDATE: /* Port database update */
Santosh Vernekar55903b92009-07-31 15:09:25 -0700902 /*
903 * Handle only global and vn-port update events
904 *
905 * Relevant inputs:
906 * mb[1] = N_Port handle of changed port
907 * OR 0xffff for global event
908 * mb[2] = New login state
909 * 7 = Port logged out
910 * mb[3] = LSB is vp_idx, 0xff = all vps
911 *
912 * Skip processing if:
913 * Event is global, vp_idx is NOT all vps,
914 * vp_idx does not match
915 * Event is not global, vp_idx does not match
916 */
Andrew Vasquez12cec63e42010-03-19 16:59:17 -0700917 if (IS_QLA2XXX_MIDTYPE(ha) &&
918 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
919 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
920 break;
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800921
Joe Carnuccio17cac3a2015-08-04 13:37:52 -0400922 if (mb[2] == 0x7) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700923 ql_dbg(ql_dbg_async, vha, 0x5010,
Joe Carnuccio17cac3a2015-08-04 13:37:52 -0400924 "Port %s %04x %04x %04x.\n",
925 mb[1] == 0xffff ? "unavailable" : "logout",
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700926 mb[1], mb[2], mb[3]);
Joe Carnuccio17cac3a2015-08-04 13:37:52 -0400927
928 if (mb[1] == 0xffff)
929 goto global_port_update;
930
931 /* Port logout */
932 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
933 if (!fcport)
934 break;
935 if (atomic_read(&fcport->state) != FCS_ONLINE)
936 break;
937 ql_dbg(ql_dbg_async, vha, 0x508a,
938 "Marking port lost loopid=%04x portid=%06x.\n",
939 fcport->loop_id, fcport->d_id.b24);
940 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
941 break;
942
943global_port_update:
Andrew Vasquez9764ff82009-07-31 15:09:24 -0700944 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
945 atomic_set(&vha->loop_state, LOOP_DOWN);
946 atomic_set(&vha->loop_down_timer,
947 LOOP_DOWN_TIME);
948 vha->device_flags |= DFLG_NO_CABLE;
949 qla2x00_mark_all_devices_lost(vha, 1);
950 }
951
952 if (vha->vp_idx) {
953 atomic_set(&vha->vp_state, VP_FAILED);
954 fc_vport_set_state(vha->fc_vport,
955 FC_VPORT_FAILED);
Santosh Vernekarfaadc5e2009-07-31 15:09:26 -0700956 qla2x00_mark_all_devices_lost(vha, 1);
Andrew Vasquez9764ff82009-07-31 15:09:24 -0700957 }
958
959 vha->flags.management_server_logged_in = 0;
960 ha->link_data_rate = PORT_SPEED_UNKNOWN;
961 break;
962 }
963
Linus Torvalds1da177e2005-04-16 15:20:36 -0700964 /*
Bjorn Helgaascc3ef7b2008-09-11 21:22:51 -0700965 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
Linus Torvalds1da177e2005-04-16 15:20:36 -0700966 * event etc. earlier indicating loop is down) then process
967 * it. Otherwise ignore it and Wait for RSCN to come in.
968 */
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800969 atomic_set(&vha->loop_down_timer, 0);
Chad Dupuis8e5a9482014-08-08 07:38:09 -0400970 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
971 atomic_read(&vha->loop_state) != LOOP_DEAD) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700972 ql_dbg(ql_dbg_async, vha, 0x5011,
973 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
974 mb[1], mb[2], mb[3]);
Nicholas Bellinger2d70c102012-05-15 14:34:28 -0400975
976 qlt_async_event(mb[0], vha, mb);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700977 break;
978 }
979
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700980 ql_dbg(ql_dbg_async, vha, 0x5012,
981 "Port database changed %04x %04x %04x.\n",
982 mb[1], mb[2], mb[3]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700983
984 /*
985 * Mark all devices as missing so we will login again.
986 */
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800987 atomic_set(&vha->loop_state, LOOP_UP);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700988
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800989 qla2x00_mark_all_devices_lost(vha, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700990
Nicholas Bellinger2d70c102012-05-15 14:34:28 -0400991 if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha))
992 set_bit(SCR_PENDING, &vha->dpc_flags);
993
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800994 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
995 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
Sawan Chandakded64112015-04-09 15:00:06 -0400996 set_bit(VP_CONFIG_OK, &vha->vp_flags);
Nicholas Bellinger2d70c102012-05-15 14:34:28 -0400997
998 qlt_async_event(mb[0], vha, mb);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700999 break;
1000
1001 case MBA_RSCN_UPDATE: /* State Change Registration */
Seokmann Ju3c397402008-05-19 14:25:39 -07001002 /* Check if the Vport has issued a SCR */
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001003 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
Seokmann Ju3c397402008-05-19 14:25:39 -07001004 break;
1005 /* Only handle SCNs for our Vport index. */
Andrew Vasquez0d6e61b2009-08-25 11:36:19 -07001006 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
Seokmann Ju3c397402008-05-19 14:25:39 -07001007 break;
Andrew Vasquez0d6e61b2009-08-25 11:36:19 -07001008
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001009 ql_dbg(ql_dbg_async, vha, 0x5013,
1010 "RSCN database changed -- %04x %04x %04x.\n",
1011 mb[1], mb[2], mb[3]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001012
Ravi Anand59d72d82008-09-11 21:22:53 -07001013 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001014 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1015 | vha->d_id.b.al_pa;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001016 if (rscn_entry == host_pid) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001017 ql_dbg(ql_dbg_async, vha, 0x5014,
1018 "Ignoring RSCN update to local host "
1019 "port ID (%06x).\n", host_pid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001020 break;
1021 }
1022
Ravi Anand59d72d82008-09-11 21:22:53 -07001023 /* Ignore reserved bits from RSCN-payload. */
1024 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001025
Chad Dupuisbb4cf5b2013-02-08 01:58:01 -05001026 /* Skip RSCNs for virtual ports on the same physical port */
1027 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1028 break;
1029
Chad Dupuisef86cb22014-09-25 05:17:01 -04001030 /*
1031 * Search for the rport related to this RSCN entry and mark it
1032 * as lost.
1033 */
1034 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1035 if (atomic_read(&fcport->state) != FCS_ONLINE)
1036 continue;
Chad Dupuisef86cb22014-09-25 05:17:01 -04001037 if (fcport->d_id.b24 == rscn_entry) {
1038 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1039 break;
1040 }
1041 }
1042
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001043 atomic_set(&vha->loop_down_timer, 0);
1044 vha->flags.management_server_logged_in = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001045
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001046 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1047 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1048 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001049 break;
1050
1051 /* case MBA_RIO_RESPONSE: */
1052 case MBA_ZIO_RESPONSE:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001053 ql_dbg(ql_dbg_async, vha, 0x5015,
1054 "[R|Z]IO update completion.\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001055
Andrew Vasqueze4289242007-07-19 15:05:56 -07001056 if (IS_FWI2_CAPABLE(ha))
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07001057 qla24xx_process_response_queue(vha, rsp);
Andrew Vasquez4fdfefe2005-10-27 11:09:48 -07001058 else
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001059 qla2x00_process_response_queue(rsp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001060 break;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07001061
1062 case MBA_DISCARD_RND_FRAME:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001063 ql_dbg(ql_dbg_async, vha, 0x5016,
1064 "Discard RND Frame -- %04x %04x %04x.\n",
1065 mb[1], mb[2], mb[3]);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07001066 break;
Andrew Vasquez45ebeb52006-08-01 13:48:14 -07001067
1068 case MBA_TRACE_NOTIFICATION:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001069 ql_dbg(ql_dbg_async, vha, 0x5017,
1070 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
Andrew Vasquez45ebeb52006-08-01 13:48:14 -07001071 break;
Harihara Kadayam4d4df192008-04-03 13:13:26 -07001072
1073 case MBA_ISP84XX_ALERT:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001074 ql_dbg(ql_dbg_async, vha, 0x5018,
1075 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1076 mb[1], mb[2], mb[3]);
Harihara Kadayam4d4df192008-04-03 13:13:26 -07001077
1078 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1079 switch (mb[1]) {
1080 case A84_PANIC_RECOVERY:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001081 ql_log(ql_log_info, vha, 0x5019,
1082 "Alert 84XX: panic recovery %04x %04x.\n",
1083 mb[2], mb[3]);
Harihara Kadayam4d4df192008-04-03 13:13:26 -07001084 break;
1085 case A84_OP_LOGIN_COMPLETE:
1086 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001087 ql_log(ql_log_info, vha, 0x501a,
1088 "Alert 84XX: firmware version %x.\n",
1089 ha->cs84xx->op_fw_version);
Harihara Kadayam4d4df192008-04-03 13:13:26 -07001090 break;
1091 case A84_DIAG_LOGIN_COMPLETE:
1092 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001093 ql_log(ql_log_info, vha, 0x501b,
1094 "Alert 84XX: diagnostic firmware version %x.\n",
1095 ha->cs84xx->diag_fw_version);
Harihara Kadayam4d4df192008-04-03 13:13:26 -07001096 break;
1097 case A84_GOLD_LOGIN_COMPLETE:
1098 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1099 ha->cs84xx->fw_update = 1;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001100 ql_log(ql_log_info, vha, 0x501c,
1101 "Alert 84XX: gold firmware version %x.\n",
1102 ha->cs84xx->gold_fw_version);
Harihara Kadayam4d4df192008-04-03 13:13:26 -07001103 break;
1104 default:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001105 ql_log(ql_log_warn, vha, 0x501d,
1106 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
Harihara Kadayam4d4df192008-04-03 13:13:26 -07001107 mb[1], mb[2], mb[3]);
1108 }
1109 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1110 break;
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08001111 case MBA_DCBX_START:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001112 ql_dbg(ql_dbg_async, vha, 0x501e,
1113 "DCBX Started -- %04x %04x %04x.\n",
1114 mb[1], mb[2], mb[3]);
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08001115 break;
1116 case MBA_DCBX_PARAM_UPDATE:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001117 ql_dbg(ql_dbg_async, vha, 0x501f,
1118 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1119 mb[1], mb[2], mb[3]);
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08001120 break;
1121 case MBA_FCF_CONF_ERR:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001122 ql_dbg(ql_dbg_async, vha, 0x5020,
1123 "FCF Configuration Error -- %04x %04x %04x.\n",
1124 mb[1], mb[2], mb[3]);
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08001125 break;
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08001126 case MBA_IDC_NOTIFY:
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -04001127 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
Chad Dupuis67b2a312013-02-08 01:57:51 -05001128 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1129 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1130 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1131 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
Chad Dupuis8fcd6b82012-08-22 14:21:06 -04001132 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
Chad Dupuis67b2a312013-02-08 01:57:51 -05001133 /*
1134 * Extend loop down timer since port is active.
1135 */
1136 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1137 atomic_set(&vha->loop_down_timer,
1138 LOOP_DOWN_TIME);
Chad Dupuis8fcd6b82012-08-22 14:21:06 -04001139 qla2xxx_wake_dpc(vha);
1140 }
Chad Dupuis67b2a312013-02-08 01:57:51 -05001141 }
Chad Dupuis8fcd6b82012-08-22 14:21:06 -04001142 case MBA_IDC_COMPLETE:
Chad Dupuis9aaf2ce2013-10-30 03:38:25 -04001143 if (ha->notify_lb_portup_comp && !vha->vp_idx)
Chad Dupuisf356bef2013-02-08 01:58:04 -05001144 complete(&ha->lb_portup_comp);
1145 /* Fallthru */
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08001146 case MBA_IDC_TIME_EXT:
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -04001147 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1148 IS_QLA8044(ha))
Santosh Vernekar7d613ac2012-08-22 14:21:03 -04001149 qla81xx_idc_event(vha, mb[0], mb[1]);
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08001150 break;
Santosh Vernekar7d613ac2012-08-22 14:21:03 -04001151
1152 case MBA_IDC_AEN:
1153 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1154 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1155 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1156 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1157 qla83xx_handle_8200_aen(vha, mb);
1158 break;
1159
Joe Carnucciob5a340d2014-09-25 05:16:48 -04001160 case MBA_DPORT_DIAGNOSTICS:
1161 ql_dbg(ql_dbg_async, vha, 0x5052,
Joe Carnuccioef55e512016-07-06 11:14:30 -04001162 "D-Port Diagnostics: %04x result=%s\n",
Joe Carnuccioec891462016-07-06 11:14:26 -04001163 mb[0],
Joe Carnucciob5a340d2014-09-25 05:16:48 -04001164 mb[1] == 0 ? "start" :
Joe Carnuccioef55e512016-07-06 11:14:30 -04001165 mb[1] == 1 ? "done (pass)" :
1166 mb[1] == 2 ? "done (error)" : "other");
Joe Carnucciob5a340d2014-09-25 05:16:48 -04001167 break;
1168
Joe Carnuccioa29b3dd2016-07-06 11:14:19 -04001169 case MBA_TEMPERATURE_ALERT:
1170 ql_dbg(ql_dbg_async, vha, 0x505e,
1171 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1172 if (mb[1] == 0x12)
1173 schedule_work(&ha->board_disable);
1174 break;
1175
Giridhar Malavali6246b8a2012-02-09 11:15:34 -08001176 default:
1177 ql_dbg(ql_dbg_async, vha, 0x5057,
1178 "Unknown AEN:%04x %04x %04x %04x\n",
1179 mb[0], mb[1], mb[2], mb[3]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001180 }
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001181
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04001182 qlt_async_event(mb[0], vha, mb);
1183
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001184 if (!vha->vp_idx && ha->num_vhosts)
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001185 qla2x00_alert_all_vps(rsp, mb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001186}
1187
1188/**
1189 * qla2x00_process_completed_request() - Process a Fast Post response.
1190 * @ha: SCSI driver HA context
1191 * @index: SRB index
1192 */
Giridhar Malavali8ae6d9c2013-03-28 08:21:23 -04001193void
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001194qla2x00_process_completed_request(struct scsi_qla_host *vha,
Giridhar Malavali8ae6d9c2013-03-28 08:21:23 -04001195 struct req_que *req, uint32_t index)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001196{
1197 srb_t *sp;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001198 struct qla_hw_data *ha = vha->hw;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001199
1200 /* Validate handle. */
Chad Dupuis8d93f552013-01-30 03:34:37 -05001201 if (index >= req->num_outstanding_cmds) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001202 ql_log(ql_log_warn, vha, 0x3014,
1203 "Invalid SCSI command index (%x).\n", index);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001204
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -04001205 if (IS_P3P_TYPE(ha))
Giridhar Malavali8f7daea2011-03-30 11:46:26 -07001206 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1207 else
1208 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001209 return;
1210 }
1211
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001212 sp = req->outstanding_cmds[index];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001213 if (sp) {
1214 /* Free outstanding command slot. */
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001215 req->outstanding_cmds[index] = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001216
Linus Torvalds1da177e2005-04-16 15:20:36 -07001217 /* Save ISP completion status */
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001218 sp->done(ha, sp, DID_OK << 16);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001219 } else {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001220 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001221
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -04001222 if (IS_P3P_TYPE(ha))
Giridhar Malavali8f7daea2011-03-30 11:46:26 -07001223 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1224 else
1225 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001226 }
1227}
1228
Giridhar Malavali8ae6d9c2013-03-28 08:21:23 -04001229srb_t *
Andrew Vasquezac280b62009-08-20 11:06:05 -07001230qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1231 struct req_que *req, void *iocb)
1232{
1233 struct qla_hw_data *ha = vha->hw;
1234 sts_entry_t *pkt = iocb;
1235 srb_t *sp = NULL;
1236 uint16_t index;
1237
1238 index = LSW(pkt->handle);
Chad Dupuis8d93f552013-01-30 03:34:37 -05001239 if (index >= req->num_outstanding_cmds) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001240 ql_log(ql_log_warn, vha, 0x5031,
1241 "Invalid command index (%x).\n", index);
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -04001242 if (IS_P3P_TYPE(ha))
Giridhar Malavali8f7daea2011-03-30 11:46:26 -07001243 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1244 else
1245 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Andrew Vasquezac280b62009-08-20 11:06:05 -07001246 goto done;
1247 }
1248 sp = req->outstanding_cmds[index];
1249 if (!sp) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001250 ql_log(ql_log_warn, vha, 0x5032,
1251 "Invalid completion handle (%x) -- timed-out.\n", index);
Andrew Vasquezac280b62009-08-20 11:06:05 -07001252 return sp;
1253 }
1254 if (sp->handle != index) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001255 ql_log(ql_log_warn, vha, 0x5033,
1256 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
Andrew Vasquezac280b62009-08-20 11:06:05 -07001257 return NULL;
1258 }
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001259
Andrew Vasquezac280b62009-08-20 11:06:05 -07001260 req->outstanding_cmds[index] = NULL;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001261
Andrew Vasquezac280b62009-08-20 11:06:05 -07001262done:
1263 return sp;
1264}
1265
1266static void
1267qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1268 struct mbx_entry *mbx)
1269{
1270 const char func[] = "MBX-IOCB";
1271 const char *type;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001272 fc_port_t *fcport;
1273 srb_t *sp;
Madhuranath Iyengar49163922010-05-04 15:01:28 -07001274 struct srb_iocb *lio;
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001275 uint16_t *data;
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001276 uint16_t status;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001277
1278 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1279 if (!sp)
1280 return;
1281
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001282 lio = &sp->u.iocb_cmd;
1283 type = sp->name;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001284 fcport = sp->fcport;
Madhuranath Iyengar49163922010-05-04 15:01:28 -07001285 data = lio->u.logio.data;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001286
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001287 data[0] = MBS_COMMAND_ERROR;
Madhuranath Iyengar49163922010-05-04 15:01:28 -07001288 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001289 QLA_LOGIO_LOGIN_RETRIED : 0;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001290 if (mbx->entry_status) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001291 ql_dbg(ql_dbg_async, vha, 0x5043,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001292 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
Andrew Vasquezd3fa9e72010-05-28 15:08:16 -07001293 "entry-status=%x status=%x state-flag=%x "
Chad Dupuiscfb09192011-11-18 09:03:07 -08001294 "status-flags=%x.\n", type, sp->handle,
1295 fcport->d_id.b.domain, fcport->d_id.b.area,
Andrew Vasquezd3fa9e72010-05-28 15:08:16 -07001296 fcport->d_id.b.al_pa, mbx->entry_status,
1297 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001298 le16_to_cpu(mbx->status_flags));
Andrew Vasquezd3fa9e72010-05-28 15:08:16 -07001299
Chad Dupuiscfb09192011-11-18 09:03:07 -08001300 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001301 (uint8_t *)mbx, sizeof(*mbx));
Andrew Vasquezac280b62009-08-20 11:06:05 -07001302
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001303 goto logio_done;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001304 }
1305
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001306 status = le16_to_cpu(mbx->status);
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001307 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001308 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1309 status = 0;
1310 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001311 ql_dbg(ql_dbg_async, vha, 0x5045,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001312 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1313 type, sp->handle, fcport->d_id.b.domain,
1314 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1315 le16_to_cpu(mbx->mb1));
Andrew Vasquezac280b62009-08-20 11:06:05 -07001316
1317 data[0] = MBS_COMMAND_COMPLETE;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001318 if (sp->type == SRB_LOGIN_CMD) {
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001319 fcport->port_type = FCT_TARGET;
1320 if (le16_to_cpu(mbx->mb1) & BIT_0)
1321 fcport->port_type = FCT_INITIATOR;
Andrew Vasquez6ac52602010-05-28 15:08:19 -07001322 else if (le16_to_cpu(mbx->mb1) & BIT_1)
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001323 fcport->flags |= FCF_FCP2_DEVICE;
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001324 }
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001325 goto logio_done;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001326 }
1327
1328 data[0] = le16_to_cpu(mbx->mb0);
1329 switch (data[0]) {
1330 case MBS_PORT_ID_USED:
1331 data[1] = le16_to_cpu(mbx->mb1);
1332 break;
1333 case MBS_LOOP_ID_USED:
1334 break;
1335 default:
1336 data[0] = MBS_COMMAND_ERROR;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001337 break;
1338 }
1339
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001340 ql_log(ql_log_warn, vha, 0x5046,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001341 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1342 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1343 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1344 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
Andrew Vasquezac280b62009-08-20 11:06:05 -07001345 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001346 le16_to_cpu(mbx->mb7));
Andrew Vasquezac280b62009-08-20 11:06:05 -07001347
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001348logio_done:
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001349 sp->done(vha, sp, 0);
Andrew Vasquezac280b62009-08-20 11:06:05 -07001350}
1351
1352static void
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001353qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1354 sts_entry_t *pkt, int iocb_type)
1355{
1356 const char func[] = "CT_IOCB";
1357 const char *type;
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001358 srb_t *sp;
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001359 struct fc_bsg_job *bsg_job;
1360 uint16_t comp_status;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001361 int res;
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001362
1363 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1364 if (!sp)
1365 return;
1366
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001367 bsg_job = sp->u.bsg_job;
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001368
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001369 type = "ct pass-through";
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001370
1371 comp_status = le16_to_cpu(pkt->comp_status);
1372
1373 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1374 * fc payload to the caller
1375 */
1376 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1377 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1378
1379 if (comp_status != CS_COMPLETE) {
1380 if (comp_status == CS_DATA_UNDERRUN) {
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001381 res = DID_OK << 16;
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001382 bsg_job->reply->reply_payload_rcv_len =
1383 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1384
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001385 ql_log(ql_log_warn, vha, 0x5048,
1386 "CT pass-through-%s error "
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001387 "comp_status-status=0x%x total_byte = 0x%x.\n",
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001388 type, comp_status,
1389 bsg_job->reply->reply_payload_rcv_len);
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001390 } else {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001391 ql_log(ql_log_warn, vha, 0x5049,
1392 "CT pass-through-%s error "
1393 "comp_status-status=0x%x.\n", type, comp_status);
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001394 res = DID_ERROR << 16;
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001395 bsg_job->reply->reply_payload_rcv_len = 0;
1396 }
Chad Dupuiscfb09192011-11-18 09:03:07 -08001397 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001398 (uint8_t *)pkt, sizeof(*pkt));
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001399 } else {
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001400 res = DID_OK << 16;
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001401 bsg_job->reply->reply_payload_rcv_len =
1402 bsg_job->reply_payload.payload_len;
1403 bsg_job->reply_len = 0;
1404 }
1405
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001406 sp->done(vha, sp, res);
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001407}
1408
1409static void
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001410qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1411 struct sts_entry_24xx *pkt, int iocb_type)
1412{
1413 const char func[] = "ELS_CT_IOCB";
1414 const char *type;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001415 srb_t *sp;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001416 struct fc_bsg_job *bsg_job;
1417 uint16_t comp_status;
1418 uint32_t fw_status[3];
1419 uint8_t* fw_sts_ptr;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001420 int res;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001421
1422 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1423 if (!sp)
1424 return;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001425 bsg_job = sp->u.bsg_job;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001426
1427 type = NULL;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001428 switch (sp->type) {
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001429 case SRB_ELS_CMD_RPT:
1430 case SRB_ELS_CMD_HST:
1431 type = "els";
1432 break;
1433 case SRB_CT_CMD:
1434 type = "ct pass-through";
1435 break;
Himanshu Madhani6eb54712015-12-17 14:57:00 -05001436 case SRB_ELS_DCMD:
1437 type = "Driver ELS logo";
1438 ql_dbg(ql_dbg_user, vha, 0x5047,
1439 "Completing %s: (%p) type=%d.\n", type, sp, sp->type);
1440 sp->done(vha, sp, 0);
1441 return;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001442 default:
Andrew Vasquez37fed3e2012-02-09 11:15:37 -08001443 ql_dbg(ql_dbg_user, vha, 0x503e,
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001444 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001445 return;
1446 }
1447
1448 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1449 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1450 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1451
1452 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1453 * fc payload to the caller
1454 */
1455 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1456 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1457
1458 if (comp_status != CS_COMPLETE) {
1459 if (comp_status == CS_DATA_UNDERRUN) {
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001460 res = DID_OK << 16;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001461 bsg_job->reply->reply_payload_rcv_len =
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001462 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001463
Andrew Vasquez37fed3e2012-02-09 11:15:37 -08001464 ql_dbg(ql_dbg_user, vha, 0x503f,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001465 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001466 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
Chad Dupuiscfb09192011-11-18 09:03:07 -08001467 type, sp->handle, comp_status, fw_status[1], fw_status[2],
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001468 le16_to_cpu(((struct els_sts_entry_24xx *)
1469 pkt)->total_byte_count));
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001470 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1471 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1472 }
1473 else {
Andrew Vasquez37fed3e2012-02-09 11:15:37 -08001474 ql_dbg(ql_dbg_user, vha, 0x5040,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001475 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001476 "error subcode 1=0x%x error subcode 2=0x%x.\n",
Chad Dupuiscfb09192011-11-18 09:03:07 -08001477 type, sp->handle, comp_status,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001478 le16_to_cpu(((struct els_sts_entry_24xx *)
1479 pkt)->error_subcode_1),
1480 le16_to_cpu(((struct els_sts_entry_24xx *)
1481 pkt)->error_subcode_2));
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001482 res = DID_ERROR << 16;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001483 bsg_job->reply->reply_payload_rcv_len = 0;
1484 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1485 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1486 }
Andrew Vasquez37fed3e2012-02-09 11:15:37 -08001487 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001488 (uint8_t *)pkt, sizeof(*pkt));
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001489 }
1490 else {
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001491 res = DID_OK << 16;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001492 bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1493 bsg_job->reply_len = 0;
1494 }
1495
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001496 sp->done(vha, sp, res);
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001497}
1498
1499static void
Andrew Vasquezac280b62009-08-20 11:06:05 -07001500qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1501 struct logio_entry_24xx *logio)
1502{
1503 const char func[] = "LOGIO-IOCB";
1504 const char *type;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001505 fc_port_t *fcport;
1506 srb_t *sp;
Madhuranath Iyengar49163922010-05-04 15:01:28 -07001507 struct srb_iocb *lio;
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001508 uint16_t *data;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001509 uint32_t iop[2];
1510
1511 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1512 if (!sp)
1513 return;
1514
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001515 lio = &sp->u.iocb_cmd;
1516 type = sp->name;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001517 fcport = sp->fcport;
Madhuranath Iyengar49163922010-05-04 15:01:28 -07001518 data = lio->u.logio.data;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001519
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001520 data[0] = MBS_COMMAND_ERROR;
Madhuranath Iyengar49163922010-05-04 15:01:28 -07001521 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001522 QLA_LOGIO_LOGIN_RETRIED : 0;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001523 if (logio->entry_status) {
Arun Easi5e19ed92012-02-09 11:15:51 -08001524 ql_log(ql_log_warn, fcport->vha, 0x5034,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001525 "Async-%s error entry - hdl=%x"
Andrew Vasquezd3fa9e72010-05-28 15:08:16 -07001526 "portid=%02x%02x%02x entry-status=%x.\n",
Chad Dupuiscfb09192011-11-18 09:03:07 -08001527 type, sp->handle, fcport->d_id.b.domain,
1528 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1529 logio->entry_status);
1530 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001531 (uint8_t *)logio, sizeof(*logio));
Andrew Vasquezac280b62009-08-20 11:06:05 -07001532
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001533 goto logio_done;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001534 }
1535
1536 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
Arun Easi5e19ed92012-02-09 11:15:51 -08001537 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001538 "Async-%s complete - hdl=%x portid=%02x%02x%02x "
1539 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1540 fcport->d_id.b.area, fcport->d_id.b.al_pa,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001541 le32_to_cpu(logio->io_parameter[0]));
Andrew Vasquezac280b62009-08-20 11:06:05 -07001542
1543 data[0] = MBS_COMMAND_COMPLETE;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001544 if (sp->type != SRB_LOGIN_CMD)
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001545 goto logio_done;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001546
1547 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1548 if (iop[0] & BIT_4) {
1549 fcport->port_type = FCT_TARGET;
1550 if (iop[0] & BIT_8)
Santosh Vernekar8474f3a2009-08-25 11:36:16 -07001551 fcport->flags |= FCF_FCP2_DEVICE;
Andrew Vasquezb0cd5792010-05-28 15:08:22 -07001552 } else if (iop[0] & BIT_5)
Andrew Vasquezac280b62009-08-20 11:06:05 -07001553 fcport->port_type = FCT_INITIATOR;
Andrew Vasquezb0cd5792010-05-28 15:08:22 -07001554
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04001555 if (iop[0] & BIT_7)
1556 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1557
Andrew Vasquezac280b62009-08-20 11:06:05 -07001558 if (logio->io_parameter[7] || logio->io_parameter[8])
1559 fcport->supported_classes |= FC_COS_CLASS2;
1560 if (logio->io_parameter[9] || logio->io_parameter[10])
1561 fcport->supported_classes |= FC_COS_CLASS3;
1562
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001563 goto logio_done;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001564 }
1565
1566 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1567 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1568 switch (iop[0]) {
1569 case LSC_SCODE_PORTID_USED:
1570 data[0] = MBS_PORT_ID_USED;
1571 data[1] = LSW(iop[1]);
1572 break;
1573 case LSC_SCODE_NPORT_USED:
1574 data[0] = MBS_LOOP_ID_USED;
1575 break;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001576 default:
1577 data[0] = MBS_COMMAND_ERROR;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001578 break;
1579 }
1580
Arun Easi5e19ed92012-02-09 11:15:51 -08001581 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001582 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x "
1583 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain,
Andrew Vasquezd3fa9e72010-05-28 15:08:16 -07001584 fcport->d_id.b.area, fcport->d_id.b.al_pa,
Andrew Vasquezac280b62009-08-20 11:06:05 -07001585 le16_to_cpu(logio->comp_status),
1586 le32_to_cpu(logio->io_parameter[0]),
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001587 le32_to_cpu(logio->io_parameter[1]));
Andrew Vasquezac280b62009-08-20 11:06:05 -07001588
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001589logio_done:
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001590 sp->done(vha, sp, 0);
Andrew Vasquezac280b62009-08-20 11:06:05 -07001591}
1592
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001593static void
Armen Baloyanfaef62d2014-02-26 04:15:17 -05001594qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001595{
1596 const char func[] = "TMF-IOCB";
1597 const char *type;
1598 fc_port_t *fcport;
1599 srb_t *sp;
1600 struct srb_iocb *iocb;
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001601 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001602
1603 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1604 if (!sp)
1605 return;
1606
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001607 iocb = &sp->u.iocb_cmd;
1608 type = sp->name;
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001609 fcport = sp->fcport;
Armen Baloyanfaef62d2014-02-26 04:15:17 -05001610 iocb->u.tmf.data = QLA_SUCCESS;
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001611
1612 if (sts->entry_status) {
Arun Easi5e19ed92012-02-09 11:15:51 -08001613 ql_log(ql_log_warn, fcport->vha, 0x5038,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001614 "Async-%s error - hdl=%x entry-status(%x).\n",
1615 type, sp->handle, sts->entry_status);
Armen Baloyanfaef62d2014-02-26 04:15:17 -05001616 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
Bart Van Asschead950362015-07-09 07:24:08 -07001617 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
Arun Easi5e19ed92012-02-09 11:15:51 -08001618 ql_log(ql_log_warn, fcport->vha, 0x5039,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001619 "Async-%s error - hdl=%x completion status(%x).\n",
1620 type, sp->handle, sts->comp_status);
Armen Baloyanfaef62d2014-02-26 04:15:17 -05001621 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1622 } else if ((le16_to_cpu(sts->scsi_status) &
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001623 SS_RESPONSE_INFO_LEN_VALID)) {
Armen Baloyanfaef62d2014-02-26 04:15:17 -05001624 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1625 ql_log(ql_log_warn, fcport->vha, 0x503b,
1626 "Async-%s error - hdl=%x not enough response(%d).\n",
1627 type, sp->handle, sts->rsp_data_len);
1628 } else if (sts->data[3]) {
1629 ql_log(ql_log_warn, fcport->vha, 0x503c,
1630 "Async-%s error - hdl=%x response(%x).\n",
1631 type, sp->handle, sts->data[3]);
Bart Van Assche8d2b21d2015-06-04 15:58:09 -07001632 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
Armen Baloyanfaef62d2014-02-26 04:15:17 -05001633 }
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001634 }
1635
Armen Baloyanfaef62d2014-02-26 04:15:17 -05001636 if (iocb->u.tmf.data != QLA_SUCCESS)
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001637 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1638 (uint8_t *)sts, sizeof(*sts));
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001639
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001640 sp->done(vha, sp, 0);
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001641}
1642
Linus Torvalds1da177e2005-04-16 15:20:36 -07001643/**
1644 * qla2x00_process_response_queue() - Process response queue entries.
1645 * @ha: SCSI driver HA context
1646 */
1647void
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001648qla2x00_process_response_queue(struct rsp_que *rsp)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001649{
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001650 struct scsi_qla_host *vha;
1651 struct qla_hw_data *ha = rsp->hw;
Andrew Vasquez3d716442005-07-06 10:30:26 -07001652 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001653 sts_entry_t *pkt;
1654 uint16_t handle_cnt;
1655 uint16_t cnt;
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001656
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07001657 vha = pci_get_drvdata(ha->pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001658
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001659 if (!vha->flags.online)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001660 return;
1661
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001662 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1663 pkt = (sts_entry_t *)rsp->ring_ptr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001664
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001665 rsp->ring_index++;
1666 if (rsp->ring_index == rsp->length) {
1667 rsp->ring_index = 0;
1668 rsp->ring_ptr = rsp->ring;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001669 } else {
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001670 rsp->ring_ptr++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001671 }
1672
1673 if (pkt->entry_status != 0) {
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001674 qla2x00_error_entry(vha, rsp, pkt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001675 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1676 wmb();
1677 continue;
1678 }
1679
1680 switch (pkt->entry_type) {
1681 case STATUS_TYPE:
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001682 qla2x00_status_entry(vha, rsp, pkt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001683 break;
1684 case STATUS_TYPE_21:
1685 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1686 for (cnt = 0; cnt < handle_cnt; cnt++) {
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001687 qla2x00_process_completed_request(vha, rsp->req,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001688 ((sts21_entry_t *)pkt)->handle[cnt]);
1689 }
1690 break;
1691 case STATUS_TYPE_22:
1692 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1693 for (cnt = 0; cnt < handle_cnt; cnt++) {
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001694 qla2x00_process_completed_request(vha, rsp->req,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001695 ((sts22_entry_t *)pkt)->handle[cnt]);
1696 }
1697 break;
1698 case STATUS_CONT_TYPE:
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07001699 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001700 break;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001701 case MBX_IOCB_TYPE:
1702 qla2x00_mbx_iocb_entry(vha, rsp->req,
1703 (struct mbx_entry *)pkt);
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001704 break;
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001705 case CT_IOCB_TYPE:
1706 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1707 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001708 default:
1709 /* Type Not Supported. */
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001710 ql_log(ql_log_warn, vha, 0x504a,
1711 "Received unknown response pkt type %x "
Linus Torvalds1da177e2005-04-16 15:20:36 -07001712 "entry status=%x.\n",
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001713 pkt->entry_type, pkt->entry_status);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001714 break;
1715 }
1716 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1717 wmb();
1718 }
1719
1720 /* Adjust ring index */
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001721 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001722}
1723
Andrew Vasquez4733fcb2008-01-17 09:02:07 -08001724static inline void
Andrew Vasquez55442132010-07-23 15:28:27 +05001725qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001726 uint32_t sense_len, struct rsp_que *rsp, int res)
Andrew Vasquez4733fcb2008-01-17 09:02:07 -08001727{
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001728 struct scsi_qla_host *vha = sp->fcport->vha;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001729 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1730 uint32_t track_sense_len;
Andrew Vasquez4733fcb2008-01-17 09:02:07 -08001731
1732 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1733 sense_len = SCSI_SENSE_BUFFERSIZE;
1734
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001735 SET_CMD_SENSE_LEN(sp, sense_len);
1736 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1737 track_sense_len = sense_len;
1738
1739 if (sense_len > par_sense_len)
Andrew Vasquez55442132010-07-23 15:28:27 +05001740 sense_len = par_sense_len;
Andrew Vasquez4733fcb2008-01-17 09:02:07 -08001741
1742 memcpy(cp->sense_buffer, sense_data, sense_len);
1743
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001744 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1745 track_sense_len -= sense_len;
1746 SET_CMD_SENSE_LEN(sp, track_sense_len);
1747
1748 if (track_sense_len != 0) {
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07001749 rsp->status_srb = sp;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001750 cp->result = res;
1751 }
Andrew Vasquez4733fcb2008-01-17 09:02:07 -08001752
Chad Dupuiscfb09192011-11-18 09:03:07 -08001753 if (sense_len) {
1754 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
Hannes Reinecke9cb78c12014-06-25 15:27:36 +02001755 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
Chad Dupuiscfb09192011-11-18 09:03:07 -08001756 sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
1757 cp);
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001758 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1759 cp->sense_buffer, sense_len);
Chad Dupuiscfb09192011-11-18 09:03:07 -08001760 }
Andrew Vasquez4733fcb2008-01-17 09:02:07 -08001761}
1762
Arun Easibad75002010-05-04 15:01:30 -07001763struct scsi_dif_tuple {
1764 __be16 guard; /* Checksum */
Masanari Iidad6a03582012-08-22 14:20:58 -04001765 __be16 app_tag; /* APPL identifier */
Arun Easibad75002010-05-04 15:01:30 -07001766 __be32 ref_tag; /* Target LBA or indirect LBA */
1767};
1768
1769/*
1770 * Checks the guard or meta-data for the type of error
1771 * detected by the HBA. In case of errors, we set the
1772 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1773 * to indicate to the kernel that the HBA detected error.
1774 */
Arun Easi8cb20492011-08-16 11:29:22 -07001775static inline int
Arun Easibad75002010-05-04 15:01:30 -07001776qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
1777{
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001778 struct scsi_qla_host *vha = sp->fcport->vha;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001779 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
Arun Easi8cb20492011-08-16 11:29:22 -07001780 uint8_t *ap = &sts24->data[12];
1781 uint8_t *ep = &sts24->data[20];
Arun Easibad75002010-05-04 15:01:30 -07001782 uint32_t e_ref_tag, a_ref_tag;
1783 uint16_t e_app_tag, a_app_tag;
1784 uint16_t e_guard, a_guard;
1785
Arun Easi8cb20492011-08-16 11:29:22 -07001786 /*
1787 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
1788 * would make guard field appear at offset 2
1789 */
1790 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
1791 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
1792 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
1793 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
1794 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
1795 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
Arun Easibad75002010-05-04 15:01:30 -07001796
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001797 ql_dbg(ql_dbg_io, vha, 0x3023,
1798 "iocb(s) %p Returned STATUS.\n", sts24);
Arun Easibad75002010-05-04 15:01:30 -07001799
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001800 ql_dbg(ql_dbg_io, vha, 0x3024,
1801 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
Arun Easibad75002010-05-04 15:01:30 -07001802 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001803 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
Arun Easibad75002010-05-04 15:01:30 -07001804 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001805 a_app_tag, e_app_tag, a_guard, e_guard);
Arun Easibad75002010-05-04 15:01:30 -07001806
Arun Easi8cb20492011-08-16 11:29:22 -07001807 /*
1808 * Ignore sector if:
1809 * For type 3: ref & app tag is all 'f's
1810 * For type 0,1,2: app tag is all 'f's
1811 */
1812 if ((a_app_tag == 0xffff) &&
1813 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
1814 (a_ref_tag == 0xffffffff))) {
1815 uint32_t blocks_done, resid;
1816 sector_t lba_s = scsi_get_lba(cmd);
1817
1818 /* 2TB boundary case covered automatically with this */
1819 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
1820
1821 resid = scsi_bufflen(cmd) - (blocks_done *
1822 cmd->device->sector_size);
1823
1824 scsi_set_resid(cmd, resid);
1825 cmd->result = DID_OK << 16;
1826
1827 /* Update protection tag */
1828 if (scsi_prot_sg_count(cmd)) {
1829 uint32_t i, j = 0, k = 0, num_ent;
1830 struct scatterlist *sg;
1831 struct sd_dif_tuple *spt;
1832
1833 /* Patch the corresponding protection tags */
1834 scsi_for_each_prot_sg(cmd, sg,
1835 scsi_prot_sg_count(cmd), i) {
1836 num_ent = sg_dma_len(sg) / 8;
1837 if (k + num_ent < blocks_done) {
1838 k += num_ent;
1839 continue;
1840 }
1841 j = blocks_done - k - 1;
1842 k = blocks_done;
1843 break;
1844 }
1845
1846 if (k != blocks_done) {
Chad Dupuiscfb09192011-11-18 09:03:07 -08001847 ql_log(ql_log_warn, vha, 0x302f,
Randy Dunlap8ec9c7f2011-09-23 15:40:50 -07001848 "unexpected tag values tag:lba=%x:%llx)\n",
1849 e_ref_tag, (unsigned long long)lba_s);
Arun Easi8cb20492011-08-16 11:29:22 -07001850 return 1;
1851 }
1852
1853 spt = page_address(sg_page(sg)) + sg->offset;
1854 spt += j;
1855
1856 spt->app_tag = 0xffff;
1857 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
1858 spt->ref_tag = 0xffffffff;
1859 }
1860
1861 return 0;
1862 }
1863
Arun Easibad75002010-05-04 15:01:30 -07001864 /* check guard */
1865 if (e_guard != a_guard) {
1866 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1867 0x10, 0x1);
1868 set_driver_byte(cmd, DRIVER_SENSE);
1869 set_host_byte(cmd, DID_ABORT);
1870 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
Arun Easi8cb20492011-08-16 11:29:22 -07001871 return 1;
Arun Easibad75002010-05-04 15:01:30 -07001872 }
1873
Arun Easie02587d2011-08-16 11:29:23 -07001874 /* check ref tag */
1875 if (e_ref_tag != a_ref_tag) {
1876 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1877 0x10, 0x3);
1878 set_driver_byte(cmd, DRIVER_SENSE);
1879 set_host_byte(cmd, DID_ABORT);
1880 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
1881 return 1;
1882 }
1883
Arun Easibad75002010-05-04 15:01:30 -07001884 /* check appl tag */
1885 if (e_app_tag != a_app_tag) {
1886 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1887 0x10, 0x2);
1888 set_driver_byte(cmd, DRIVER_SENSE);
1889 set_host_byte(cmd, DID_ABORT);
1890 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
Arun Easi8cb20492011-08-16 11:29:22 -07001891 return 1;
Arun Easibad75002010-05-04 15:01:30 -07001892 }
1893
Arun Easi8cb20492011-08-16 11:29:22 -07001894 return 1;
Arun Easibad75002010-05-04 15:01:30 -07001895}
1896
Saurav Kashyapa9b6f7222012-08-22 14:21:01 -04001897static void
1898qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
1899 struct req_que *req, uint32_t index)
1900{
1901 struct qla_hw_data *ha = vha->hw;
1902 srb_t *sp;
1903 uint16_t comp_status;
1904 uint16_t scsi_status;
1905 uint16_t thread_id;
1906 uint32_t rval = EXT_STATUS_OK;
1907 struct fc_bsg_job *bsg_job = NULL;
1908 sts_entry_t *sts;
1909 struct sts_entry_24xx *sts24;
1910 sts = (sts_entry_t *) pkt;
1911 sts24 = (struct sts_entry_24xx *) pkt;
1912
1913 /* Validate handle. */
Chad Dupuis8d93f552013-01-30 03:34:37 -05001914 if (index >= req->num_outstanding_cmds) {
Saurav Kashyapa9b6f7222012-08-22 14:21:01 -04001915 ql_log(ql_log_warn, vha, 0x70af,
1916 "Invalid SCSI completion handle 0x%x.\n", index);
1917 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1918 return;
1919 }
1920
1921 sp = req->outstanding_cmds[index];
1922 if (sp) {
1923 /* Free outstanding command slot. */
1924 req->outstanding_cmds[index] = NULL;
1925 bsg_job = sp->u.bsg_job;
1926 } else {
1927 ql_log(ql_log_warn, vha, 0x70b0,
1928 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
1929 req->id, index);
1930
1931 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1932 return;
1933 }
1934
1935 if (IS_FWI2_CAPABLE(ha)) {
1936 comp_status = le16_to_cpu(sts24->comp_status);
1937 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
1938 } else {
1939 comp_status = le16_to_cpu(sts->comp_status);
1940 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1941 }
1942
1943 thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1944 switch (comp_status) {
1945 case CS_COMPLETE:
1946 if (scsi_status == 0) {
1947 bsg_job->reply->reply_payload_rcv_len =
1948 bsg_job->reply_payload.payload_len;
Joe Carnucciofabbb8d2013-08-27 01:37:40 -04001949 vha->qla_stats.input_bytes +=
1950 bsg_job->reply->reply_payload_rcv_len;
1951 vha->qla_stats.input_requests++;
Saurav Kashyapa9b6f7222012-08-22 14:21:01 -04001952 rval = EXT_STATUS_OK;
1953 }
1954 goto done;
1955
1956 case CS_DATA_OVERRUN:
1957 ql_dbg(ql_dbg_user, vha, 0x70b1,
1958 "Command completed with date overrun thread_id=%d\n",
1959 thread_id);
1960 rval = EXT_STATUS_DATA_OVERRUN;
1961 break;
1962
1963 case CS_DATA_UNDERRUN:
1964 ql_dbg(ql_dbg_user, vha, 0x70b2,
1965 "Command completed with date underrun thread_id=%d\n",
1966 thread_id);
1967 rval = EXT_STATUS_DATA_UNDERRUN;
1968 break;
1969 case CS_BIDIR_RD_OVERRUN:
1970 ql_dbg(ql_dbg_user, vha, 0x70b3,
1971 "Command completed with read data overrun thread_id=%d\n",
1972 thread_id);
1973 rval = EXT_STATUS_DATA_OVERRUN;
1974 break;
1975
1976 case CS_BIDIR_RD_WR_OVERRUN:
1977 ql_dbg(ql_dbg_user, vha, 0x70b4,
1978 "Command completed with read and write data overrun "
1979 "thread_id=%d\n", thread_id);
1980 rval = EXT_STATUS_DATA_OVERRUN;
1981 break;
1982
1983 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
1984 ql_dbg(ql_dbg_user, vha, 0x70b5,
1985 "Command completed with read data over and write data "
1986 "underrun thread_id=%d\n", thread_id);
1987 rval = EXT_STATUS_DATA_OVERRUN;
1988 break;
1989
1990 case CS_BIDIR_RD_UNDERRUN:
1991 ql_dbg(ql_dbg_user, vha, 0x70b6,
1992 "Command completed with read data data underrun "
1993 "thread_id=%d\n", thread_id);
1994 rval = EXT_STATUS_DATA_UNDERRUN;
1995 break;
1996
1997 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
1998 ql_dbg(ql_dbg_user, vha, 0x70b7,
1999 "Command completed with read data under and write data "
2000 "overrun thread_id=%d\n", thread_id);
2001 rval = EXT_STATUS_DATA_UNDERRUN;
2002 break;
2003
2004 case CS_BIDIR_RD_WR_UNDERRUN:
2005 ql_dbg(ql_dbg_user, vha, 0x70b8,
2006 "Command completed with read and write data underrun "
2007 "thread_id=%d\n", thread_id);
2008 rval = EXT_STATUS_DATA_UNDERRUN;
2009 break;
2010
2011 case CS_BIDIR_DMA:
2012 ql_dbg(ql_dbg_user, vha, 0x70b9,
2013 "Command completed with data DMA error thread_id=%d\n",
2014 thread_id);
2015 rval = EXT_STATUS_DMA_ERR;
2016 break;
2017
2018 case CS_TIMEOUT:
2019 ql_dbg(ql_dbg_user, vha, 0x70ba,
2020 "Command completed with timeout thread_id=%d\n",
2021 thread_id);
2022 rval = EXT_STATUS_TIMEOUT;
2023 break;
2024 default:
2025 ql_dbg(ql_dbg_user, vha, 0x70bb,
2026 "Command completed with completion status=0x%x "
2027 "thread_id=%d\n", comp_status, thread_id);
2028 rval = EXT_STATUS_ERR;
2029 break;
2030 }
Bart Van Assche8d2b21d2015-06-04 15:58:09 -07002031 bsg_job->reply->reply_payload_rcv_len = 0;
Saurav Kashyapa9b6f7222012-08-22 14:21:01 -04002032
2033done:
2034 /* Return the vendor specific reply to API */
2035 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
2036 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2037 /* Always return DID_OK, bsg will send the vendor specific response
2038 * in this case only */
2039 sp->done(vha, sp, (DID_OK << 6));
2040
2041}
2042
Linus Torvalds1da177e2005-04-16 15:20:36 -07002043/**
2044 * qla2x00_status_entry() - Process a Status IOCB entry.
2045 * @ha: SCSI driver HA context
2046 * @pkt: Entry pointer
2047 */
2048static void
Anirban Chakraborty73208df2008-12-09 16:45:39 -08002049qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002050{
Linus Torvalds1da177e2005-04-16 15:20:36 -07002051 srb_t *sp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002052 fc_port_t *fcport;
2053 struct scsi_cmnd *cp;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002054 sts_entry_t *sts;
2055 struct sts_entry_24xx *sts24;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002056 uint16_t comp_status;
2057 uint16_t scsi_status;
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002058 uint16_t ox_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002059 uint8_t lscsi_status;
2060 int32_t resid;
Andrew Vasquez55442132010-07-23 15:28:27 +05002061 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2062 fw_resid_len;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002063 uint8_t *rsp_info, *sense_data;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002064 struct qla_hw_data *ha = vha->hw;
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002065 uint32_t handle;
2066 uint16_t que;
2067 struct req_que *req;
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002068 int logit = 1;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002069 int res = 0;
Saurav Kashyapa9b6f7222012-08-22 14:21:01 -04002070 uint16_t state_flags = 0;
Chad Dupuise05fe292014-09-25 05:16:59 -04002071 uint16_t retry_delay = 0;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002072
2073 sts = (sts_entry_t *) pkt;
2074 sts24 = (struct sts_entry_24xx *) pkt;
Andrew Vasqueze4289242007-07-19 15:05:56 -07002075 if (IS_FWI2_CAPABLE(ha)) {
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002076 comp_status = le16_to_cpu(sts24->comp_status);
2077 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
Saurav Kashyapa9b6f7222012-08-22 14:21:01 -04002078 state_flags = le16_to_cpu(sts24->state_flags);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002079 } else {
2080 comp_status = le16_to_cpu(sts->comp_status);
2081 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2082 }
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002083 handle = (uint32_t) LSW(sts->handle);
2084 que = MSW(sts->handle);
2085 req = ha->req_q_map[que];
Giridhar Malavalia9083012010-04-12 17:59:55 -07002086
Chad Dupuis36008cf2013-10-03 03:21:13 -04002087 /* Check for invalid queue pointer */
2088 if (req == NULL ||
2089 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2090 ql_dbg(ql_dbg_io, vha, 0x3059,
2091 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2092 "que=%u.\n", sts->handle, req, que);
2093 return;
2094 }
2095
Linus Torvalds1da177e2005-04-16 15:20:36 -07002096 /* Validate handle. */
Chad Dupuisc7bc4ca2015-08-04 13:37:57 -04002097 if (handle < req->num_outstanding_cmds) {
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002098 sp = req->outstanding_cmds[handle];
Chad Dupuisc7bc4ca2015-08-04 13:37:57 -04002099 if (!sp) {
2100 ql_dbg(ql_dbg_io, vha, 0x3075,
2101 "%s(%ld): Already returned command for status handle (0x%x).\n",
2102 __func__, vha->host_no, sts->handle);
2103 return;
2104 }
2105 } else {
Chad Dupuiscfb09192011-11-18 09:03:07 -08002106 ql_dbg(ql_dbg_io, vha, 0x3017,
Chad Dupuisc7bc4ca2015-08-04 13:37:57 -04002107 "Invalid status handle, out of range (0x%x).\n",
2108 sts->handle);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002109
Chad Dupuisacd3ce82014-04-11 16:54:07 -04002110 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2111 if (IS_P3P_TYPE(ha))
2112 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2113 else
2114 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2115 qla2xxx_wake_dpc(vha);
2116 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002117 return;
2118 }
Saurav Kashyapa9b6f7222012-08-22 14:21:01 -04002119
2120 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2121 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2122 return;
2123 }
2124
Armen Baloyanfaef62d2014-02-26 04:15:17 -05002125 /* Task Management completion. */
2126 if (sp->type == SRB_TM_CMD) {
2127 qla24xx_tm_iocb_entry(vha, req, pkt);
2128 return;
2129 }
2130
Saurav Kashyapa9b6f7222012-08-22 14:21:01 -04002131 /* Fast path completion. */
2132 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2133 qla2x00_process_completed_request(vha, req, handle);
2134
2135 return;
2136 }
2137
2138 req->outstanding_cmds[handle] = NULL;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002139 cp = GET_CMD_SP(sp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002140 if (cp == NULL) {
Chad Dupuiscfb09192011-11-18 09:03:07 -08002141 ql_dbg(ql_dbg_io, vha, 0x3018,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002142 "Command already returned (0x%x/%p).\n",
2143 sts->handle, sp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002144
2145 return;
2146 }
2147
Giridhar Malavali8ae6d9c2013-03-28 08:21:23 -04002148 lscsi_status = scsi_status & STATUS_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002149
bdf79622005-04-17 15:06:53 -05002150 fcport = sp->fcport;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002151
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002152 ox_id = 0;
Andrew Vasquez55442132010-07-23 15:28:27 +05002153 sense_len = par_sense_len = rsp_info_len = resid_len =
2154 fw_resid_len = 0;
Andrew Vasqueze4289242007-07-19 15:05:56 -07002155 if (IS_FWI2_CAPABLE(ha)) {
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002156 if (scsi_status & SS_SENSE_LEN_VALID)
2157 sense_len = le32_to_cpu(sts24->sense_len);
2158 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2159 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2160 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2161 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2162 if (comp_status == CS_DATA_UNDERRUN)
2163 fw_resid_len = le32_to_cpu(sts24->residual_len);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002164 rsp_info = sts24->data;
2165 sense_data = sts24->data;
2166 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002167 ox_id = le16_to_cpu(sts24->ox_id);
Andrew Vasquez55442132010-07-23 15:28:27 +05002168 par_sense_len = sizeof(sts24->data);
Chad Dupuise05fe292014-09-25 05:16:59 -04002169 /* Valid values of the retry delay timer are 0x1-0xffef */
2170 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1)
2171 retry_delay = sts24->retry_delay;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002172 } else {
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002173 if (scsi_status & SS_SENSE_LEN_VALID)
2174 sense_len = le16_to_cpu(sts->req_sense_length);
2175 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2176 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002177 resid_len = le32_to_cpu(sts->residual_length);
2178 rsp_info = sts->rsp_info;
2179 sense_data = sts->req_sense_data;
Andrew Vasquez55442132010-07-23 15:28:27 +05002180 par_sense_len = sizeof(sts->req_sense_data);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002181 }
2182
Linus Torvalds1da177e2005-04-16 15:20:36 -07002183 /* Check for any FCP transport errors. */
2184 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002185 /* Sense data lies beyond any FCP RESPONSE data. */
Andrew Vasquez55442132010-07-23 15:28:27 +05002186 if (IS_FWI2_CAPABLE(ha)) {
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002187 sense_data += rsp_info_len;
Andrew Vasquez55442132010-07-23 15:28:27 +05002188 par_sense_len -= rsp_info_len;
2189 }
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002190 if (rsp_info_len > 3 && rsp_info[3]) {
Arun Easi5e19ed92012-02-09 11:15:51 -08002191 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002192 "FCP I/O protocol failure (0x%x/0x%x).\n",
2193 rsp_info_len, rsp_info[3]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002194
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002195 res = DID_BUS_BUSY << 16;
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002196 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002197 }
2198 }
2199
Andrew Vasquez3e8ce322008-02-28 14:06:10 -08002200 /* Check for overrun. */
2201 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2202 scsi_status & SS_RESIDUAL_OVER)
2203 comp_status = CS_DATA_OVERRUN;
2204
Linus Torvalds1da177e2005-04-16 15:20:36 -07002205 /*
Chad Dupuise05fe292014-09-25 05:16:59 -04002206 * Check retry_delay_timer value if we receive a busy or
2207 * queue full.
2208 */
2209 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2210 lscsi_status == SAM_STAT_BUSY)
2211 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2212
2213 /*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002214 * Based on Host and scsi status generate status code for Linux
2215 */
2216 switch (comp_status) {
2217 case CS_COMPLETE:
Andrew Vasquezdf7baa52006-10-13 09:33:39 -07002218 case CS_QUEUE_FULL:
Linus Torvalds1da177e2005-04-16 15:20:36 -07002219 if (scsi_status == 0) {
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002220 res = DID_OK << 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002221 break;
2222 }
2223 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002224 resid = resid_len;
FUJITA Tomonori385d70b2007-05-26 01:55:38 +09002225 scsi_set_resid(cp, resid);
Andrew Vasquez0da69df2005-12-06 10:58:06 -08002226
2227 if (!lscsi_status &&
FUJITA Tomonori385d70b2007-05-26 01:55:38 +09002228 ((unsigned)(scsi_bufflen(cp) - resid) <
Andrew Vasquez0da69df2005-12-06 10:58:06 -08002229 cp->underflow)) {
Arun Easi5e19ed92012-02-09 11:15:51 -08002230 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002231 "Mid-layer underflow "
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002232 "detected (0x%x of 0x%x bytes).\n",
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002233 resid, scsi_bufflen(cp));
Andrew Vasquez0da69df2005-12-06 10:58:06 -08002234
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002235 res = DID_ERROR << 16;
Andrew Vasquez0da69df2005-12-06 10:58:06 -08002236 break;
2237 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002238 }
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002239 res = DID_OK << 16 | lscsi_status;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002240
Andrew Vasquezdf7baa52006-10-13 09:33:39 -07002241 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
Arun Easi5e19ed92012-02-09 11:15:51 -08002242 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002243 "QUEUE FULL detected.\n");
Andrew Vasquezdf7baa52006-10-13 09:33:39 -07002244 break;
2245 }
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002246 logit = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002247 if (lscsi_status != SS_CHECK_CONDITION)
2248 break;
2249
FUJITA Tomonorib80ca4f2008-01-13 15:46:13 +09002250 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002251 if (!(scsi_status & SS_SENSE_LEN_VALID))
2252 break;
2253
Andrew Vasquez55442132010-07-23 15:28:27 +05002254 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002255 rsp, res);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002256 break;
2257
2258 case CS_DATA_UNDERRUN:
Ravi Ananded17c71b52006-05-17 15:08:55 -07002259 /* Use F/W calculated residual length. */
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002260 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2261 scsi_set_resid(cp, resid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002262 if (scsi_status & SS_RESIDUAL_UNDER) {
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002263 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
Arun Easi5e19ed92012-02-09 11:15:51 -08002264 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002265 "Dropped frame(s) detected "
2266 "(0x%x of 0x%x bytes).\n",
2267 resid, scsi_bufflen(cp));
andrew.vasquez@qlogic.come038a1be2006-01-13 17:04:59 -08002268
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002269 res = DID_ERROR << 16 | lscsi_status;
Arun Easi4e85e3d2011-11-18 09:02:10 -08002270 goto check_scsi_status;
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002271 }
2272
2273 if (!lscsi_status &&
2274 ((unsigned)(scsi_bufflen(cp) - resid) <
2275 cp->underflow)) {
Arun Easi5e19ed92012-02-09 11:15:51 -08002276 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002277 "Mid-layer underflow "
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002278 "detected (0x%x of 0x%x bytes).\n",
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002279 resid, scsi_bufflen(cp));
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002280
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002281 res = DID_ERROR << 16;
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002282 break;
2283 }
Giridhar Malavali4aee5762012-04-25 07:26:15 -07002284 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2285 lscsi_status != SAM_STAT_BUSY) {
2286 /*
2287 * scsi status of task set and busy are considered to be
2288 * task not completed.
2289 */
2290
Arun Easi5e19ed92012-02-09 11:15:51 -08002291 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002292 "Dropped frame(s) detected (0x%x "
Giridhar Malavali4aee5762012-04-25 07:26:15 -07002293 "of 0x%x bytes).\n", resid,
2294 scsi_bufflen(cp));
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002295
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002296 res = DID_ERROR << 16 | lscsi_status;
Lalit Chandivade0374f552010-09-03 14:57:04 -07002297 goto check_scsi_status;
Giridhar Malavali4aee5762012-04-25 07:26:15 -07002298 } else {
2299 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2300 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2301 scsi_status, lscsi_status);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002302 }
2303
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002304 res = DID_OK << 16 | lscsi_status;
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002305 logit = 0;
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002306
Lalit Chandivade0374f552010-09-03 14:57:04 -07002307check_scsi_status:
Linus Torvalds1da177e2005-04-16 15:20:36 -07002308 /*
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07002309 * Check to see if SCSI Status is non zero. If so report SCSI
Linus Torvalds1da177e2005-04-16 15:20:36 -07002310 * Status.
2311 */
2312 if (lscsi_status != 0) {
Andrew Vasquezffec28a2007-01-29 10:22:27 -08002313 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
Arun Easi5e19ed92012-02-09 11:15:51 -08002314 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002315 "QUEUE FULL detected.\n");
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002316 logit = 1;
Andrew Vasquezffec28a2007-01-29 10:22:27 -08002317 break;
2318 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002319 if (lscsi_status != SS_CHECK_CONDITION)
2320 break;
2321
FUJITA Tomonorib80ca4f2008-01-13 15:46:13 +09002322 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002323 if (!(scsi_status & SS_SENSE_LEN_VALID))
2324 break;
2325
Andrew Vasquez55442132010-07-23 15:28:27 +05002326 qla2x00_handle_sense(sp, sense_data, par_sense_len,
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002327 sense_len, rsp, res);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002328 }
2329 break;
2330
Linus Torvalds1da177e2005-04-16 15:20:36 -07002331 case CS_PORT_LOGGED_OUT:
2332 case CS_PORT_CONFIG_CHG:
2333 case CS_PORT_BUSY:
2334 case CS_INCOMPLETE:
2335 case CS_PORT_UNAVAILABLE:
Linus Torvalds1da177e2005-04-16 15:20:36 -07002336 case CS_TIMEOUT:
Chad Dupuisff454b02010-10-15 11:27:42 -07002337 case CS_RESET:
2338
Mike Christie056a4482008-08-19 18:45:29 -05002339 /*
2340 * We are going to have the fc class block the rport
2341 * while we try to recover so instruct the mid layer
2342 * to requeue until the class decides how to handle this.
2343 */
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002344 res = DID_TRANSPORT_DISRUPTED << 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002345
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002346 if (comp_status == CS_TIMEOUT) {
2347 if (IS_FWI2_CAPABLE(ha))
2348 break;
2349 else if ((le16_to_cpu(sts->status_flags) &
2350 SF_LOGOUT_SENT) == 0)
2351 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002352 }
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002353
Arun Easi5e19ed92012-02-09 11:15:51 -08002354 ql_dbg(ql_dbg_io, fcport->vha, 0x3021,
Chad Dupuis0e948972013-08-27 01:37:39 -04002355 "Port to be marked lost on fcport=%02x%02x%02x, current "
2356 "port state= %s.\n", fcport->d_id.b.domain,
2357 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2358 port_state_str[atomic_read(&fcport->state)]);
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002359
2360 if (atomic_read(&fcport->state) == FCS_ONLINE)
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002361 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002362 break;
2363
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002364 case CS_ABORTED:
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002365 res = DID_RESET << 16;
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002366 break;
Arun Easibad75002010-05-04 15:01:30 -07002367
2368 case CS_DIF_ERROR:
Arun Easi8cb20492011-08-16 11:29:22 -07002369 logit = qla2x00_handle_dif_error(sp, sts24);
Arun Easifb6e4662012-08-22 14:21:32 -04002370 res = cp->result;
Arun Easibad75002010-05-04 15:01:30 -07002371 break;
Arun Easi9e522cd2012-08-22 14:21:31 -04002372
2373 case CS_TRANSPORT:
2374 res = DID_ERROR << 16;
2375
2376 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2377 break;
2378
2379 if (state_flags & BIT_4)
2380 scmd_printk(KERN_WARNING, cp,
2381 "Unsupported device '%s' found.\n",
2382 cp->device->vendor);
2383 break;
2384
Linus Torvalds1da177e2005-04-16 15:20:36 -07002385 default:
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002386 res = DID_ERROR << 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002387 break;
2388 }
2389
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002390out:
2391 if (logit)
Arun Easi5e19ed92012-02-09 11:15:51 -08002392 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
Hannes Reinecke9cb78c12014-06-25 15:27:36 +02002393 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
Oleksandr Khoshaba7b833552013-08-27 01:37:27 -04002394 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
Chad Dupuisc7bc4ca2015-08-04 13:37:57 -04002395 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002396 comp_status, scsi_status, res, vha->host_no,
Chad Dupuiscfb09192011-11-18 09:03:07 -08002397 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2398 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
Oleksandr Khoshaba7b833552013-08-27 01:37:27 -04002399 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
Chad Dupuisc7bc4ca2015-08-04 13:37:57 -04002400 resid_len, fw_resid_len, sp, cp);
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002401
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002402 if (rsp->status_srb == NULL)
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002403 sp->done(ha, sp, res);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002404}
2405
2406/**
2407 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2408 * @ha: SCSI driver HA context
2409 * @pkt: Entry pointer
2410 *
2411 * Extended sense data.
2412 */
2413static void
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002414qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002415{
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002416 uint8_t sense_sz = 0;
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002417 struct qla_hw_data *ha = rsp->hw;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002418 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002419 srb_t *sp = rsp->status_srb;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002420 struct scsi_cmnd *cp;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002421 uint32_t sense_len;
2422 uint8_t *sense_ptr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002423
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002424 if (!sp || !GET_CMD_SENSE_LEN(sp))
2425 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002426
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002427 sense_len = GET_CMD_SENSE_LEN(sp);
2428 sense_ptr = GET_CMD_SENSE_PTR(sp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002429
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002430 cp = GET_CMD_SP(sp);
2431 if (cp == NULL) {
2432 ql_log(ql_log_warn, vha, 0x3025,
2433 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002434
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002435 rsp->status_srb = NULL;
2436 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002437 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002438
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002439 if (sense_len > sizeof(pkt->data))
2440 sense_sz = sizeof(pkt->data);
2441 else
2442 sense_sz = sense_len;
Giridhar Malavalic4631192011-11-18 09:03:08 -08002443
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002444 /* Move sense data. */
2445 if (IS_FWI2_CAPABLE(ha))
2446 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2447 memcpy(sense_ptr, pkt->data, sense_sz);
2448 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2449 sense_ptr, sense_sz);
Giridhar Malavalic4631192011-11-18 09:03:08 -08002450
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002451 sense_len -= sense_sz;
2452 sense_ptr += sense_sz;
Giridhar Malavalic4631192011-11-18 09:03:08 -08002453
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002454 SET_CMD_SENSE_PTR(sp, sense_ptr);
2455 SET_CMD_SENSE_LEN(sp, sense_len);
Giridhar Malavalic4631192011-11-18 09:03:08 -08002456
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002457 /* Place command on done queue. */
2458 if (sense_len == 0) {
2459 rsp->status_srb = NULL;
2460 sp->done(ha, sp, cp->result);
Giridhar Malavalic4631192011-11-18 09:03:08 -08002461 }
Giridhar Malavalic4631192011-11-18 09:03:08 -08002462}
2463
Linus Torvalds1da177e2005-04-16 15:20:36 -07002464/**
2465 * qla2x00_error_entry() - Process an error entry.
2466 * @ha: SCSI driver HA context
2467 * @pkt: Entry pointer
2468 */
2469static void
Anirban Chakraborty73208df2008-12-09 16:45:39 -08002470qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002471{
2472 srb_t *sp;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002473 struct qla_hw_data *ha = vha->hw;
Giridhar Malavalic4631192011-11-18 09:03:08 -08002474 const char func[] = "ERROR-IOCB";
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002475 uint16_t que = MSW(pkt->handle);
Arun Easia6fe35c2012-02-09 11:16:01 -08002476 struct req_que *req = NULL;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002477 int res = DID_ERROR << 16;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002478
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002479 ql_dbg(ql_dbg_async, vha, 0x502a,
2480 "type of error status in response: 0x%x\n", pkt->entry_status);
2481
Arun Easia6fe35c2012-02-09 11:16:01 -08002482 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2483 goto fatal;
2484
2485 req = ha->req_q_map[que];
2486
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002487 if (pkt->entry_status & RF_BUSY)
2488 res = DID_BUS_BUSY << 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002489
Giridhar Malavalic4631192011-11-18 09:03:08 -08002490 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
Arun Easia6fe35c2012-02-09 11:16:01 -08002491 if (sp) {
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002492 sp->done(ha, sp, res);
Arun Easia6fe35c2012-02-09 11:16:01 -08002493 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002494 }
Arun Easia6fe35c2012-02-09 11:16:01 -08002495fatal:
2496 ql_log(ql_log_warn, vha, 0x5030,
Chad Dupuisfd49a542015-08-04 13:37:58 -04002497 "Error entry - invalid handle/queue (%04x).\n", que);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002498}
2499
2500/**
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002501 * qla24xx_mbx_completion() - Process mailbox command completions.
2502 * @ha: SCSI driver HA context
2503 * @mb0: Mailbox0 register
2504 */
2505static void
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002506qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002507{
2508 uint16_t cnt;
Andrew Vasquez4fa94f82011-11-18 09:03:09 -08002509 uint32_t mboxes;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002510 uint16_t __iomem *wptr;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002511 struct qla_hw_data *ha = vha->hw;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002512 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2513
Andrew Vasquez4fa94f82011-11-18 09:03:09 -08002514 /* Read all mbox registers? */
2515 mboxes = (1 << ha->mbx_count) - 1;
2516 if (!ha->mcp)
Masanari Iidaa7201012012-11-21 02:40:42 -05002517 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
Andrew Vasquez4fa94f82011-11-18 09:03:09 -08002518 else
2519 mboxes = ha->mcp->in_mb;
2520
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002521 /* Load return mailbox registers. */
2522 ha->flags.mbox_int = 1;
2523 ha->mailbox_out[0] = mb0;
Andrew Vasquez4fa94f82011-11-18 09:03:09 -08002524 mboxes >>= 1;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002525 wptr = (uint16_t __iomem *)&reg->mailbox1;
2526
2527 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
Andrew Vasquez4fa94f82011-11-18 09:03:09 -08002528 if (mboxes & BIT_0)
2529 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2530
2531 mboxes >>= 1;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002532 wptr++;
2533 }
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002534}
2535
Armen Baloyan4440e462014-02-26 04:15:18 -05002536static void
2537qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2538 struct abort_entry_24xx *pkt)
2539{
2540 const char func[] = "ABT_IOCB";
2541 srb_t *sp;
2542 struct srb_iocb *abt;
2543
2544 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2545 if (!sp)
2546 return;
2547
2548 abt = &sp->u.iocb_cmd;
2549 abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle);
2550 sp->done(vha, sp, 0);
2551}
2552
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002553/**
2554 * qla24xx_process_response_queue() - Process response queue entries.
2555 * @ha: SCSI driver HA context
2556 */
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002557void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2558 struct rsp_que *rsp)
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002559{
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002560 struct sts_entry_24xx *pkt;
Giridhar Malavalia9083012010-04-12 17:59:55 -07002561 struct qla_hw_data *ha = vha->hw;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002562
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002563 if (!vha->flags.online)
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002564 return;
2565
Bruno Prémont262e2bf2016-06-30 17:00:32 +02002566 if (rsp->msix && rsp->msix->cpuid != smp_processor_id()) {
Quinn Trancdb898c2015-12-17 14:57:05 -05002567 /* if kernel does not notify qla of IRQ's CPU change,
2568 * then set it here.
2569 */
2570 rsp->msix->cpuid = smp_processor_id();
2571 ha->tgt.rspq_vector_cpuid = rsp->msix->cpuid;
2572 }
2573
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002574 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2575 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002576
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002577 rsp->ring_index++;
2578 if (rsp->ring_index == rsp->length) {
2579 rsp->ring_index = 0;
2580 rsp->ring_ptr = rsp->ring;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002581 } else {
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002582 rsp->ring_ptr++;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002583 }
2584
2585 if (pkt->entry_status != 0) {
Anirban Chakraborty73208df2008-12-09 16:45:39 -08002586 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002587
Quinn Tranf83adb62014-04-11 16:54:43 -04002588 if (qlt_24xx_process_response_error(vha, pkt))
2589 goto process_err;
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002590
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002591 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2592 wmb();
2593 continue;
2594 }
Quinn Tranf83adb62014-04-11 16:54:43 -04002595process_err:
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002596
2597 switch (pkt->entry_type) {
2598 case STATUS_TYPE:
Anirban Chakraborty73208df2008-12-09 16:45:39 -08002599 qla2x00_status_entry(vha, rsp, pkt);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002600 break;
2601 case STATUS_CONT_TYPE:
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002602 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002603 break;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002604 case VP_RPT_ID_IOCB_TYPE:
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002605 qla24xx_report_id_acquisition(vha,
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002606 (struct vp_rpt_id_entry_24xx *)pkt);
2607 break;
Andrew Vasquezac280b62009-08-20 11:06:05 -07002608 case LOGINOUT_PORT_IOCB_TYPE:
2609 qla24xx_logio_entry(vha, rsp->req,
2610 (struct logio_entry_24xx *)pkt);
2611 break;
Quinn Tranf83adb62014-04-11 16:54:43 -04002612 case CT_IOCB_TYPE:
Giridhar Malavali9a069e12010-01-12 13:02:47 -08002613 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
Giridhar Malavali9a069e12010-01-12 13:02:47 -08002614 break;
Quinn Tranf83adb62014-04-11 16:54:43 -04002615 case ELS_IOCB_TYPE:
Giridhar Malavali9a069e12010-01-12 13:02:47 -08002616 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2617 break;
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002618 case ABTS_RECV_24XX:
Quinn Tran2f424b92015-12-17 14:57:07 -05002619 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2620 /* ensure that the ATIO queue is empty */
2621 qlt_handle_abts_recv(vha, (response_t *)pkt);
2622 break;
2623 } else {
2624 /* drop through */
2625 qlt_24xx_process_atio_queue(vha, 1);
2626 }
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002627 case ABTS_RESP_24XX:
2628 case CTIO_TYPE7:
2629 case NOTIFY_ACK_TYPE:
Quinn Tranf83adb62014-04-11 16:54:43 -04002630 case CTIO_CRC2:
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002631 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2632 break;
Saurav Kashyap54883292011-08-16 11:31:48 -07002633 case MARKER_TYPE:
2634 /* Do nothing in this case, this check is to prevent it
2635 * from falling into default case
2636 */
2637 break;
Armen Baloyan4440e462014-02-26 04:15:18 -05002638 case ABORT_IOCB_TYPE:
2639 qla24xx_abort_iocb_entry(vha, rsp->req,
2640 (struct abort_entry_24xx *)pkt);
2641 break;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002642 default:
2643 /* Type Not Supported. */
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002644 ql_dbg(ql_dbg_async, vha, 0x5042,
2645 "Received unknown response pkt type %x "
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002646 "entry status=%x.\n",
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002647 pkt->entry_type, pkt->entry_status);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002648 break;
2649 }
2650 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2651 wmb();
2652 }
2653
2654 /* Adjust ring index */
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -04002655 if (IS_P3P_TYPE(ha)) {
Giridhar Malavalia9083012010-04-12 17:59:55 -07002656 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2657 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
2658 } else
2659 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002660}
2661
Andrew Vasquez05236a02007-09-20 14:07:37 -07002662static void
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002663qla2xxx_check_risc_status(scsi_qla_host_t *vha)
Andrew Vasquez05236a02007-09-20 14:07:37 -07002664{
2665 int rval;
2666 uint32_t cnt;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002667 struct qla_hw_data *ha = vha->hw;
Andrew Vasquez05236a02007-09-20 14:07:37 -07002668 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2669
Chad Dupuisf73cb692014-02-26 04:15:06 -05002670 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2671 !IS_QLA27XX(ha))
Andrew Vasquez05236a02007-09-20 14:07:37 -07002672 return;
2673
2674 rval = QLA_SUCCESS;
2675 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
2676 RD_REG_DWORD(&reg->iobase_addr);
2677 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2678 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2679 rval == QLA_SUCCESS; cnt--) {
2680 if (cnt) {
2681 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2682 udelay(10);
2683 } else
2684 rval = QLA_FUNCTION_TIMEOUT;
2685 }
2686 if (rval == QLA_SUCCESS)
2687 goto next_test;
2688
Bart Van Asscheb2ec76c2013-06-25 11:27:29 -04002689 rval = QLA_SUCCESS;
Andrew Vasquez05236a02007-09-20 14:07:37 -07002690 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2691 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2692 rval == QLA_SUCCESS; cnt--) {
2693 if (cnt) {
2694 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2695 udelay(10);
2696 } else
2697 rval = QLA_FUNCTION_TIMEOUT;
2698 }
2699 if (rval != QLA_SUCCESS)
2700 goto done;
2701
2702next_test:
2703 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002704 ql_log(ql_log_info, vha, 0x504c,
2705 "Additional code -- 0x55AA.\n");
Andrew Vasquez05236a02007-09-20 14:07:37 -07002706
2707done:
2708 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
2709 RD_REG_DWORD(&reg->iobase_window);
2710}
2711
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002712/**
Giridhar Malavali6246b8a2012-02-09 11:15:34 -08002713 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002714 * @irq:
2715 * @dev_id: SCSI driver HA context
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002716 *
2717 * Called by system whenever the host adapter generates an interrupt.
2718 *
2719 * Returns handled flag.
2720 */
2721irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01002722qla24xx_intr_handler(int irq, void *dev_id)
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002723{
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002724 scsi_qla_host_t *vha;
2725 struct qla_hw_data *ha;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002726 struct device_reg_24xx __iomem *reg;
2727 int status;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002728 unsigned long iter;
2729 uint32_t stat;
2730 uint32_t hccr;
Santosh Vernekar7d613ac2012-08-22 14:21:03 -04002731 uint16_t mb[8];
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002732 struct rsp_que *rsp;
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -07002733 unsigned long flags;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002734
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002735 rsp = (struct rsp_que *) dev_id;
2736 if (!rsp) {
Chad Dupuis3256b432012-02-09 11:15:47 -08002737 ql_log(ql_log_info, NULL, 0x5059,
2738 "%s: NULL response queue pointer.\n", __func__);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002739 return IRQ_NONE;
2740 }
2741
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002742 ha = rsp->hw;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002743 reg = &ha->iobase->isp24;
2744 status = 0;
2745
Andrew Vasquez85880802009-12-15 21:29:46 -08002746 if (unlikely(pci_channel_offline(ha->pdev)))
2747 return IRQ_HANDLED;
2748
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -07002749 spin_lock_irqsave(&ha->hardware_lock, flags);
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002750 vha = pci_get_drvdata(ha->pdev);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002751 for (iter = 50; iter--; ) {
2752 stat = RD_REG_DWORD(&reg->host_status);
Joe Lawrencec821e0d2014-08-26 17:11:41 -04002753 if (qla2x00_check_reg32_for_disconnect(vha, stat))
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002754 break;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002755 if (stat & HSRX_RISC_PAUSED) {
Andrew Vasquez85880802009-12-15 21:29:46 -08002756 if (unlikely(pci_channel_offline(ha->pdev)))
Seokmann Ju14e660e2007-09-20 14:07:36 -07002757 break;
2758
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002759 hccr = RD_REG_DWORD(&reg->hccr);
2760
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002761 ql_log(ql_log_warn, vha, 0x504b,
2762 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2763 hccr);
Andrew Vasquez05236a02007-09-20 14:07:37 -07002764
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002765 qla2xxx_check_risc_status(vha);
Andrew Vasquez05236a02007-09-20 14:07:37 -07002766
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002767 ha->isp_ops->fw_dump(vha, 1);
2768 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002769 break;
2770 } else if ((stat & HSRX_RISC_INT) == 0)
2771 break;
2772
2773 switch (stat & 0xff) {
Arun Easifafbda92012-08-22 14:21:16 -04002774 case INTR_ROM_MB_SUCCESS:
2775 case INTR_ROM_MB_FAILED:
2776 case INTR_MB_SUCCESS:
2777 case INTR_MB_FAILED:
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002778 qla24xx_mbx_completion(vha, MSW(stat));
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002779 status |= MBX_INTERRUPT;
2780
2781 break;
Arun Easifafbda92012-08-22 14:21:16 -04002782 case INTR_ASYNC_EVENT:
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002783 mb[0] = MSW(stat);
2784 mb[1] = RD_REG_WORD(&reg->mailbox1);
2785 mb[2] = RD_REG_WORD(&reg->mailbox2);
2786 mb[3] = RD_REG_WORD(&reg->mailbox3);
Anirban Chakraborty73208df2008-12-09 16:45:39 -08002787 qla2x00_async_event(vha, rsp, mb);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002788 break;
Arun Easifafbda92012-08-22 14:21:16 -04002789 case INTR_RSP_QUE_UPDATE:
2790 case INTR_RSP_QUE_UPDATE_83XX:
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002791 qla24xx_process_response_queue(vha, rsp);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002792 break;
Quinn Tran2f424b92015-12-17 14:57:07 -05002793 case INTR_ATIO_QUE_UPDATE:{
2794 unsigned long flags2;
2795 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2796 qlt_24xx_process_atio_queue(vha, 1);
2797 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002798 break;
Quinn Tran2f424b92015-12-17 14:57:07 -05002799 }
2800 case INTR_ATIO_RSP_QUE_UPDATE: {
2801 unsigned long flags2;
2802 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2803 qlt_24xx_process_atio_queue(vha, 1);
2804 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2805
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002806 qla24xx_process_response_queue(vha, rsp);
2807 break;
Quinn Tran2f424b92015-12-17 14:57:07 -05002808 }
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002809 default:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002810 ql_dbg(ql_dbg_async, vha, 0x504f,
2811 "Unrecognized interrupt type (%d).\n", stat * 0xff);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002812 break;
2813 }
2814 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2815 RD_REG_DWORD_RELAXED(&reg->hccr);
Giridhar Malavalicb860bb2012-08-22 14:21:30 -04002816 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
2817 ndelay(3500);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002818 }
gurinder.shergill@hp.com36439832013-04-23 10:13:17 -07002819 qla2x00_handle_mbx_completion(ha, status);
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -07002820 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002821
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002822 return IRQ_HANDLED;
2823}
2824
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002825static irqreturn_t
2826qla24xx_msix_rsp_q(int irq, void *dev_id)
2827{
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002828 struct qla_hw_data *ha;
2829 struct rsp_que *rsp;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002830 struct device_reg_24xx __iomem *reg;
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002831 struct scsi_qla_host *vha;
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08002832 unsigned long flags;
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002833 uint32_t stat = 0;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002834
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002835 rsp = (struct rsp_que *) dev_id;
2836 if (!rsp) {
Chad Dupuis3256b432012-02-09 11:15:47 -08002837 ql_log(ql_log_info, NULL, 0x505a,
2838 "%s: NULL response queue pointer.\n", __func__);
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002839 return IRQ_NONE;
2840 }
2841 ha = rsp->hw;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002842 reg = &ha->iobase->isp24;
2843
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08002844 spin_lock_irqsave(&ha->hardware_lock, flags);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002845
Anirban Chakrabortya67093d2010-02-04 14:17:59 -08002846 vha = pci_get_drvdata(ha->pdev);
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002847 /*
2848 * Use host_status register to check to PCI disconnection before we
2849 * we process the response queue.
2850 */
2851 stat = RD_REG_DWORD(&reg->host_status);
Joe Lawrencec821e0d2014-08-26 17:11:41 -04002852 if (qla2x00_check_reg32_for_disconnect(vha, stat))
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002853 goto out;
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002854 qla24xx_process_response_queue(vha, rsp);
Anirban Chakraborty31557542009-12-02 10:36:55 -08002855 if (!ha->flags.disable_msix_handshake) {
Anirban Chakrabortyeb941142009-08-04 16:12:13 -07002856 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2857 RD_REG_DWORD_RELAXED(&reg->hccr);
2858 }
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002859out:
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08002860 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002861
2862 return IRQ_HANDLED;
2863}
2864
2865static irqreturn_t
Anirban Chakraborty68ca9492009-04-06 22:33:41 -07002866qla25xx_msix_rsp_q(int irq, void *dev_id)
2867{
2868 struct qla_hw_data *ha;
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002869 scsi_qla_host_t *vha;
Anirban Chakraborty68ca9492009-04-06 22:33:41 -07002870 struct rsp_que *rsp;
Anirban Chakraborty31557542009-12-02 10:36:55 -08002871 struct device_reg_24xx __iomem *reg;
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08002872 unsigned long flags;
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002873 uint32_t hccr = 0;
Anirban Chakraborty68ca9492009-04-06 22:33:41 -07002874
2875 rsp = (struct rsp_que *) dev_id;
2876 if (!rsp) {
Chad Dupuis3256b432012-02-09 11:15:47 -08002877 ql_log(ql_log_info, NULL, 0x505b,
2878 "%s: NULL response queue pointer.\n", __func__);
Anirban Chakraborty68ca9492009-04-06 22:33:41 -07002879 return IRQ_NONE;
2880 }
2881 ha = rsp->hw;
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002882 vha = pci_get_drvdata(ha->pdev);
Anirban Chakraborty68ca9492009-04-06 22:33:41 -07002883
Anirban Chakraborty31557542009-12-02 10:36:55 -08002884 /* Clear the interrupt, if enabled, for this response queue */
Andrew Vasquezd4247542011-10-26 14:20:13 -07002885 if (!ha->flags.disable_msix_handshake) {
Anirban Chakraborty31557542009-12-02 10:36:55 -08002886 reg = &ha->iobase->isp24;
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08002887 spin_lock_irqsave(&ha->hardware_lock, flags);
Anirban Chakraborty31557542009-12-02 10:36:55 -08002888 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002889 hccr = RD_REG_DWORD_RELAXED(&reg->hccr);
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08002890 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Anirban Chakraborty31557542009-12-02 10:36:55 -08002891 }
Joe Lawrencec821e0d2014-08-26 17:11:41 -04002892 if (qla2x00_check_reg32_for_disconnect(vha, hccr))
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002893 goto out;
Anirban Chakraborty68ca9492009-04-06 22:33:41 -07002894 queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work);
2895
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002896out:
Anirban Chakraborty68ca9492009-04-06 22:33:41 -07002897 return IRQ_HANDLED;
2898}
2899
2900static irqreturn_t
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002901qla24xx_msix_default(int irq, void *dev_id)
2902{
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002903 scsi_qla_host_t *vha;
2904 struct qla_hw_data *ha;
2905 struct rsp_que *rsp;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002906 struct device_reg_24xx __iomem *reg;
2907 int status;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002908 uint32_t stat;
2909 uint32_t hccr;
Santosh Vernekar7d613ac2012-08-22 14:21:03 -04002910 uint16_t mb[8];
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08002911 unsigned long flags;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002912
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002913 rsp = (struct rsp_que *) dev_id;
2914 if (!rsp) {
Chad Dupuis3256b432012-02-09 11:15:47 -08002915 ql_log(ql_log_info, NULL, 0x505c,
2916 "%s: NULL response queue pointer.\n", __func__);
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002917 return IRQ_NONE;
2918 }
2919 ha = rsp->hw;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002920 reg = &ha->iobase->isp24;
2921 status = 0;
2922
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08002923 spin_lock_irqsave(&ha->hardware_lock, flags);
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002924 vha = pci_get_drvdata(ha->pdev);
Andrew Vasquez87f27012007-09-20 14:07:49 -07002925 do {
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002926 stat = RD_REG_DWORD(&reg->host_status);
Joe Lawrencec821e0d2014-08-26 17:11:41 -04002927 if (qla2x00_check_reg32_for_disconnect(vha, stat))
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002928 break;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002929 if (stat & HSRX_RISC_PAUSED) {
Andrew Vasquez85880802009-12-15 21:29:46 -08002930 if (unlikely(pci_channel_offline(ha->pdev)))
Seokmann Ju14e660e2007-09-20 14:07:36 -07002931 break;
2932
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002933 hccr = RD_REG_DWORD(&reg->hccr);
2934
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002935 ql_log(ql_log_info, vha, 0x5050,
2936 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2937 hccr);
Andrew Vasquez05236a02007-09-20 14:07:37 -07002938
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002939 qla2xxx_check_risc_status(vha);
Andrew Vasquez05236a02007-09-20 14:07:37 -07002940
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002941 ha->isp_ops->fw_dump(vha, 1);
2942 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002943 break;
2944 } else if ((stat & HSRX_RISC_INT) == 0)
2945 break;
2946
2947 switch (stat & 0xff) {
Arun Easifafbda92012-08-22 14:21:16 -04002948 case INTR_ROM_MB_SUCCESS:
2949 case INTR_ROM_MB_FAILED:
2950 case INTR_MB_SUCCESS:
2951 case INTR_MB_FAILED:
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002952 qla24xx_mbx_completion(vha, MSW(stat));
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002953 status |= MBX_INTERRUPT;
2954
2955 break;
Arun Easifafbda92012-08-22 14:21:16 -04002956 case INTR_ASYNC_EVENT:
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002957 mb[0] = MSW(stat);
2958 mb[1] = RD_REG_WORD(&reg->mailbox1);
2959 mb[2] = RD_REG_WORD(&reg->mailbox2);
2960 mb[3] = RD_REG_WORD(&reg->mailbox3);
Anirban Chakraborty73208df2008-12-09 16:45:39 -08002961 qla2x00_async_event(vha, rsp, mb);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002962 break;
Arun Easifafbda92012-08-22 14:21:16 -04002963 case INTR_RSP_QUE_UPDATE:
2964 case INTR_RSP_QUE_UPDATE_83XX:
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002965 qla24xx_process_response_queue(vha, rsp);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002966 break;
Quinn Tran2f424b92015-12-17 14:57:07 -05002967 case INTR_ATIO_QUE_UPDATE:{
2968 unsigned long flags2;
2969 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2970 qlt_24xx_process_atio_queue(vha, 1);
2971 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002972 break;
Quinn Tran2f424b92015-12-17 14:57:07 -05002973 }
2974 case INTR_ATIO_RSP_QUE_UPDATE: {
2975 unsigned long flags2;
2976 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2977 qlt_24xx_process_atio_queue(vha, 1);
2978 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2979
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002980 qla24xx_process_response_queue(vha, rsp);
2981 break;
Quinn Tran2f424b92015-12-17 14:57:07 -05002982 }
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002983 default:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002984 ql_dbg(ql_dbg_async, vha, 0x5051,
2985 "Unrecognized interrupt type (%d).\n", stat & 0xff);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002986 break;
2987 }
2988 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
Andrew Vasquez87f27012007-09-20 14:07:49 -07002989 } while (0);
gurinder.shergill@hp.com36439832013-04-23 10:13:17 -07002990 qla2x00_handle_mbx_completion(ha, status);
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08002991 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002992
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002993 return IRQ_HANDLED;
2994}
2995
2996/* Interrupt handling helpers. */
2997
2998struct qla_init_msix_entry {
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002999 const char *name;
Jeff Garzik476834c2007-05-23 14:41:44 -07003000 irq_handler_t handler;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003001};
3002
Anirban Chakraborty68ca9492009-04-06 22:33:41 -07003003static struct qla_init_msix_entry msix_entries[3] = {
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07003004 { "qla2xxx (default)", qla24xx_msix_default },
3005 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
Anirban Chakraborty68ca9492009-04-06 22:33:41 -07003006 { "qla2xxx (multiq)", qla25xx_msix_rsp_q },
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003007};
3008
Giridhar Malavalia9083012010-04-12 17:59:55 -07003009static struct qla_init_msix_entry qla82xx_msix_entries[2] = {
3010 { "qla2xxx (default)", qla82xx_msix_default },
3011 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3012};
3013
Arun Easiaa230bc2013-01-30 03:34:39 -05003014static struct qla_init_msix_entry qla83xx_msix_entries[3] = {
3015 { "qla2xxx (default)", qla24xx_msix_default },
3016 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
3017 { "qla2xxx (atio_q)", qla83xx_msix_atio_q },
3018};
3019
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003020static void
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08003021qla24xx_disable_msix(struct qla_hw_data *ha)
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003022{
3023 int i;
3024 struct qla_msix_entry *qentry;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003025 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003026
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003027 for (i = 0; i < ha->msix_count; i++) {
3028 qentry = &ha->msix_entries[i];
Quinn Trancdb898c2015-12-17 14:57:05 -05003029 if (qentry->have_irq) {
3030 /* un-register irq cpu affinity notification */
3031 irq_set_affinity_notifier(qentry->vector, NULL);
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003032 free_irq(qentry->vector, qentry->rsp);
Quinn Trancdb898c2015-12-17 14:57:05 -05003033 }
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003034 }
3035 pci_disable_msix(ha->pdev);
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003036 kfree(ha->msix_entries);
3037 ha->msix_entries = NULL;
3038 ha->flags.msix_enabled = 0;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003039 ql_dbg(ql_dbg_init, vha, 0x0042,
3040 "Disabled the MSI.\n");
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003041}
3042
3043static int
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003044qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003045{
Lalit Chandivadead038fa2009-01-22 09:45:33 -08003046#define MIN_MSIX_COUNT 2
Chad Dupuisf3247772014-02-26 04:15:14 -05003047#define ATIO_VECTOR 2
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003048 int i, ret;
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003049 struct msix_entry *entries;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003050 struct qla_msix_entry *qentry;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003051 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003052
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003053 entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count,
Giridhar Malavalia9083012010-04-12 17:59:55 -07003054 GFP_KERNEL);
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003055 if (!entries) {
3056 ql_log(ql_log_warn, vha, 0x00bc,
3057 "Failed to allocate memory for msix_entry.\n");
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003058 return -ENOMEM;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003059 }
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003060
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003061 for (i = 0; i < ha->msix_count; i++)
3062 entries[i].entry = i;
3063
Alexander Gordeev84e32a02014-08-18 08:01:47 +02003064 ret = pci_enable_msix_range(ha->pdev,
3065 entries, MIN_MSIX_COUNT, ha->msix_count);
3066 if (ret < 0) {
3067 ql_log(ql_log_fatal, vha, 0x00c7,
3068 "MSI-X: Failed to enable support, "
3069 "giving up -- %d/%d.\n",
3070 ha->msix_count, ret);
3071 goto msix_out;
3072 } else if (ret < ha->msix_count) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003073 ql_log(ql_log_warn, vha, 0x00c6,
3074 "MSI-X: Failed to enable support "
3075 "-- %d/%d\n Retry with %d vectors.\n",
3076 ha->msix_count, ret, ret);
Quinn Trancb432852016-02-04 11:45:16 -05003077 ha->msix_count = ret;
3078 ha->max_rsp_queues = ha->msix_count - 1;
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003079 }
3080 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
3081 ha->msix_count, GFP_KERNEL);
3082 if (!ha->msix_entries) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003083 ql_log(ql_log_fatal, vha, 0x00c8,
3084 "Failed to allocate memory for ha->msix_entries.\n");
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003085 ret = -ENOMEM;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003086 goto msix_out;
3087 }
3088 ha->flags.msix_enabled = 1;
3089
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003090 for (i = 0; i < ha->msix_count; i++) {
3091 qentry = &ha->msix_entries[i];
3092 qentry->vector = entries[i].vector;
3093 qentry->entry = entries[i].entry;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003094 qentry->have_irq = 0;
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003095 qentry->rsp = NULL;
Quinn Trancdb898c2015-12-17 14:57:05 -05003096 qentry->irq_notify.notify = qla_irq_affinity_notify;
3097 qentry->irq_notify.release = qla_irq_affinity_release;
3098 qentry->cpuid = -1;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003099 }
3100
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07003101 /* Enable MSI-X vectors for the base queue */
Chad Dupuisf3247772014-02-26 04:15:14 -05003102 for (i = 0; i < 2; i++) {
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07003103 qentry = &ha->msix_entries[i];
Johannes Thumshirnef8d1d512016-07-06 09:51:50 +02003104 qentry->rsp = rsp;
3105 rsp->msix = qentry;
Chad Dupuisf3247772014-02-26 04:15:14 -05003106 if (IS_P3P_TYPE(ha))
Giridhar Malavalia9083012010-04-12 17:59:55 -07003107 ret = request_irq(qentry->vector,
3108 qla82xx_msix_entries[i].handler,
3109 0, qla82xx_msix_entries[i].name, rsp);
Chad Dupuisf3247772014-02-26 04:15:14 -05003110 else
Giridhar Malavalia9083012010-04-12 17:59:55 -07003111 ret = request_irq(qentry->vector,
3112 msix_entries[i].handler,
3113 0, msix_entries[i].name, rsp);
Chad Dupuisf3247772014-02-26 04:15:14 -05003114 if (ret)
3115 goto msix_register_fail;
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07003116 qentry->have_irq = 1;
Quinn Trancdb898c2015-12-17 14:57:05 -05003117
3118 /* Register for CPU affinity notification. */
3119 irq_set_affinity_notifier(qentry->vector, &qentry->irq_notify);
3120
3121 /* Schedule work (ie. trigger a notification) to read cpu
3122 * mask for this specific irq.
3123 * kref_get is required because
3124 * irq_affinity_notify() will do
3125 * kref_put().
3126 */
3127 kref_get(&qentry->irq_notify.kref);
3128 schedule_work(&qentry->irq_notify.work);
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003129 }
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003130
Chad Dupuisf3247772014-02-26 04:15:14 -05003131 /*
3132 * If target mode is enable, also request the vector for the ATIO
3133 * queue.
3134 */
3135 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
3136 qentry = &ha->msix_entries[ATIO_VECTOR];
Johannes Thumshirnef8d1d512016-07-06 09:51:50 +02003137 qentry->rsp = rsp;
3138 rsp->msix = qentry;
Chad Dupuisf3247772014-02-26 04:15:14 -05003139 ret = request_irq(qentry->vector,
3140 qla83xx_msix_entries[ATIO_VECTOR].handler,
3141 0, qla83xx_msix_entries[ATIO_VECTOR].name, rsp);
3142 qentry->have_irq = 1;
Chad Dupuisf3247772014-02-26 04:15:14 -05003143 }
3144
3145msix_register_fail:
3146 if (ret) {
3147 ql_log(ql_log_fatal, vha, 0x00cb,
3148 "MSI-X: unable to register handler -- %x/%d.\n",
3149 qentry->vector, ret);
3150 qla24xx_disable_msix(ha);
3151 ha->mqenable = 0;
3152 goto msix_out;
3153 }
3154
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003155 /* Enable MSI-X vector for response queue update for queue 0 */
Chad Dupuisf73cb692014-02-26 04:15:06 -05003156 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
Giridhar Malavali6246b8a2012-02-09 11:15:34 -08003157 if (ha->msixbase && ha->mqiobase &&
3158 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
3159 ha->mqenable = 1;
3160 } else
3161 if (ha->mqiobase
3162 && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
3163 ha->mqenable = 1;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003164 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3165 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3166 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3167 ql_dbg(ql_dbg_init, vha, 0x0055,
3168 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3169 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003170
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003171msix_out:
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003172 kfree(entries);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003173 return ret;
3174}
3175
3176int
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003177qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003178{
Sawan Chandak7fa3e232013-10-30 03:38:10 -04003179 int ret = QLA_FUNCTION_FAILED;
Chad Dupuisf73cb692014-02-26 04:15:06 -05003180 device_reg_t *reg = ha->iobase;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003181 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003182
3183 /* If possible, enable MSI-X. */
Giridhar Malavali6246b8a2012-02-09 11:15:34 -08003184 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
Chad Dupuisf73cb692014-02-26 04:15:06 -05003185 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) &&
3186 !IS_QLA27XX(ha))
Ben Hutchings6377a7a2010-03-19 16:59:19 -07003187 goto skip_msi;
3188
3189 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3190 (ha->pdev->subsystem_device == 0x7040 ||
3191 ha->pdev->subsystem_device == 0x7041 ||
3192 ha->pdev->subsystem_device == 0x1705)) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003193 ql_log(ql_log_warn, vha, 0x0034,
3194 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
Ben Hutchings6377a7a2010-03-19 16:59:19 -07003195 ha->pdev->subsystem_vendor,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003196 ha->pdev->subsystem_device);
Ben Hutchings6377a7a2010-03-19 16:59:19 -07003197 goto skip_msi;
3198 }
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003199
Chad Dupuis42cd4f52011-08-16 11:29:24 -07003200 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003201 ql_log(ql_log_warn, vha, 0x0035,
3202 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
Chad Dupuis42cd4f52011-08-16 11:29:24 -07003203 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003204 goto skip_msix;
3205 }
3206
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003207 ret = qla24xx_enable_msix(ha, rsp);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003208 if (!ret) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003209 ql_dbg(ql_dbg_init, vha, 0x0036,
3210 "MSI-X: Enabled (0x%X, 0x%X).\n",
3211 ha->chip_revision, ha->fw_attributes);
Andrew Vasquez963b0fd2008-01-31 12:33:50 -08003212 goto clear_risc_ints;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003213 }
Sawan Chandak7fa3e232013-10-30 03:38:10 -04003214
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003215skip_msix:
Andrew Vasquezcbedb602007-05-07 07:43:02 -07003216
Sawan Chandak7fa3e232013-10-30 03:38:10 -04003217 ql_log(ql_log_info, vha, 0x0037,
3218 "Falling back-to MSI mode -%d.\n", ret);
3219
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08003220 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
Chad Dupuisf73cb692014-02-26 04:15:06 -05003221 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3222 !IS_QLA27XX(ha))
Andrew Vasquezcbedb602007-05-07 07:43:02 -07003223 goto skip_msi;
3224
3225 ret = pci_enable_msi(ha->pdev);
3226 if (!ret) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003227 ql_dbg(ql_dbg_init, vha, 0x0038,
3228 "MSI: Enabled.\n");
Andrew Vasquezcbedb602007-05-07 07:43:02 -07003229 ha->flags.msi_enabled = 1;
Giridhar Malavalia9083012010-04-12 17:59:55 -07003230 } else
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003231 ql_log(ql_log_warn, vha, 0x0039,
Sawan Chandak7fa3e232013-10-30 03:38:10 -04003232 "Falling back-to INTa mode -- %d.\n", ret);
3233skip_msi:
Giridhar Malavalia033b652012-08-22 14:21:07 -04003234
3235 /* Skip INTx on ISP82xx. */
3236 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3237 return QLA_FUNCTION_FAILED;
3238
Andrew Vasquezfd34f552007-07-19 15:06:00 -07003239 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
Mike Hernandez7992abf2010-11-23 16:52:47 -08003240 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3241 QLA2XXX_DRIVER_NAME, rsp);
Andrew Vasquez963b0fd2008-01-31 12:33:50 -08003242 if (ret) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003243 ql_log(ql_log_warn, vha, 0x003a,
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003244 "Failed to reserve interrupt %d already in use.\n",
3245 ha->pdev->irq);
Andrew Vasquez963b0fd2008-01-31 12:33:50 -08003246 goto fail;
Giridhar Malavali8ae6d9c2013-03-28 08:21:23 -04003247 } else if (!ha->flags.msi_enabled) {
Saurav Kashyap68d91cb2012-11-21 02:40:44 -05003248 ql_dbg(ql_dbg_init, vha, 0x0125,
3249 "INTa mode: Enabled.\n");
Giridhar Malavali8ae6d9c2013-03-28 08:21:23 -04003250 ha->flags.mr_intr_valid = 1;
3251 }
Mike Hernandez7992abf2010-11-23 16:52:47 -08003252
Andrew Vasquez963b0fd2008-01-31 12:33:50 -08003253clear_risc_ints:
Joe Carnuccio4bb2efc2014-09-25 05:16:42 -04003254 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3255 goto fail;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003256
Andrew Vasquezc6952482008-04-03 13:13:17 -07003257 spin_lock_irq(&ha->hardware_lock);
Joe Carnuccio4bb2efc2014-09-25 05:16:42 -04003258 WRT_REG_WORD(&reg->isp.semaphore, 0);
Andrew Vasquezc6952482008-04-03 13:13:17 -07003259 spin_unlock_irq(&ha->hardware_lock);
Andrew Vasquez963b0fd2008-01-31 12:33:50 -08003260
3261fail:
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003262 return ret;
3263}
3264
3265void
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08003266qla2x00_free_irqs(scsi_qla_host_t *vha)
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003267{
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08003268 struct qla_hw_data *ha = vha->hw;
Chad Dupuis9a347ff2012-05-15 14:34:14 -04003269 struct rsp_que *rsp;
3270
3271 /*
3272 * We need to check that ha->rsp_q_map is valid in case we are called
3273 * from a probe failure context.
3274 */
3275 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3276 return;
3277 rsp = ha->rsp_q_map[0];
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003278
3279 if (ha->flags.msix_enabled)
3280 qla24xx_disable_msix(ha);
Joe Carnuccio90a86fc2010-01-12 13:02:46 -08003281 else if (ha->flags.msi_enabled) {
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08003282 free_irq(ha->pdev->irq, rsp);
Andrew Vasquezcbedb602007-05-07 07:43:02 -07003283 pci_disable_msi(ha->pdev);
Joe Carnuccio90a86fc2010-01-12 13:02:46 -08003284 } else
3285 free_irq(ha->pdev->irq, rsp);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003286}
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08003287
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003288
3289int qla25xx_request_irq(struct rsp_que *rsp)
3290{
3291 struct qla_hw_data *ha = rsp->hw;
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07003292 struct qla_init_msix_entry *intr = &msix_entries[2];
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003293 struct qla_msix_entry *msix = rsp->msix;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003294 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003295 int ret;
3296
3297 ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp);
3298 if (ret) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003299 ql_log(ql_log_fatal, vha, 0x00e6,
3300 "MSI-X: Unable to register handler -- %x/%d.\n",
3301 msix->vector, ret);
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003302 return ret;
3303 }
3304 msix->have_irq = 1;
3305 msix->rsp = rsp;
3306 return ret;
3307}
Quinn Trancdb898c2015-12-17 14:57:05 -05003308
3309
3310/* irq_set_affinity/irqbalance will trigger notification of cpu mask update */
3311static void qla_irq_affinity_notify(struct irq_affinity_notify *notify,
3312 const cpumask_t *mask)
3313{
3314 struct qla_msix_entry *e =
3315 container_of(notify, struct qla_msix_entry, irq_notify);
3316 struct qla_hw_data *ha;
3317 struct scsi_qla_host *base_vha;
3318
3319 /* user is recommended to set mask to just 1 cpu */
3320 e->cpuid = cpumask_first(mask);
3321
3322 ha = e->rsp->hw;
3323 base_vha = pci_get_drvdata(ha->pdev);
3324
3325 ql_dbg(ql_dbg_init, base_vha, 0xffff,
3326 "%s: host %ld : vector %d cpu %d \n", __func__,
3327 base_vha->host_no, e->vector, e->cpuid);
3328
3329 if (e->have_irq) {
3330 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) &&
3331 (e->entry == QLA83XX_RSPQ_MSIX_ENTRY_NUMBER)) {
3332 ha->tgt.rspq_vector_cpuid = e->cpuid;
3333 ql_dbg(ql_dbg_init, base_vha, 0xffff,
3334 "%s: host%ld: rspq vector %d cpu %d runtime change\n",
3335 __func__, base_vha->host_no, e->vector, e->cpuid);
3336 }
3337 }
3338}
3339
Quinn Tranfb3269b2015-12-17 14:57:06 -05003340static void qla_irq_affinity_release(struct kref *ref)
Quinn Trancdb898c2015-12-17 14:57:05 -05003341{
3342 struct irq_affinity_notify *notify =
3343 container_of(ref, struct irq_affinity_notify, kref);
3344 struct qla_msix_entry *e =
3345 container_of(notify, struct qla_msix_entry, irq_notify);
3346 struct scsi_qla_host *base_vha = pci_get_drvdata(e->rsp->hw->pdev);
3347
3348 ql_dbg(ql_dbg_init, base_vha, 0xffff,
3349 "%s: host%ld: vector %d cpu %d \n", __func__,
3350 base_vha->host_no, e->vector, e->cpuid);
3351}