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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>
Bart Van Assche09ce66a2016-11-15 11:21:46 -080012#include <linux/t10-pi.h>
Andrew Vasquezdf7baa52006-10-13 09:33:39 -070013#include <scsi/scsi_tcq.h>
Giridhar Malavali9a069e12010-01-12 13:02:47 -080014#include <scsi/scsi_bsg_fc.h>
Arun Easibad75002010-05-04 15:01:30 -070015#include <scsi/scsi_eh.h>
Andrew Vasquezdf7baa52006-10-13 09:33:39 -070016
Linus Torvalds1da177e2005-04-16 15:20:36 -070017static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
Anirban Chakraborty73208df2008-12-09 16:45:39 -080018static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -070019static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
Anirban Chakraborty73208df2008-12-09 16:45:39 -080020static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
21 sts_entry_t *);
Andrew Vasquez9a853f72005-07-06 10:31:27 -070022
Linus Torvalds1da177e2005-04-16 15:20:36 -070023/**
24 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
25 * @irq:
26 * @dev_id: SCSI driver HA context
Linus Torvalds1da177e2005-04-16 15:20:36 -070027 *
28 * Called by system whenever the host adapter generates an interrupt.
29 *
30 * Returns handled flag.
31 */
32irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +010033qla2100_intr_handler(int irq, void *dev_id)
Linus Torvalds1da177e2005-04-16 15:20:36 -070034{
Anirban Chakrabortye315cd22008-11-06 10:40:51 -080035 scsi_qla_host_t *vha;
36 struct qla_hw_data *ha;
Andrew Vasquez3d716442005-07-06 10:30:26 -070037 struct device_reg_2xxx __iomem *reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -070038 int status;
Linus Torvalds1da177e2005-04-16 15:20:36 -070039 unsigned long iter;
Seokmann Ju14e660e2007-09-20 14:07:36 -070040 uint16_t hccr;
Andrew Vasquez9a853f72005-07-06 10:31:27 -070041 uint16_t mb[4];
Anirban Chakrabortye315cd22008-11-06 10:40:51 -080042 struct rsp_que *rsp;
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -070043 unsigned long flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -070044
Anirban Chakrabortye315cd22008-11-06 10:40:51 -080045 rsp = (struct rsp_que *) dev_id;
46 if (!rsp) {
Chad Dupuis3256b432012-02-09 11:15:47 -080047 ql_log(ql_log_info, NULL, 0x505d,
48 "%s: NULL response queue pointer.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -070049 return (IRQ_NONE);
50 }
51
Anirban Chakrabortye315cd22008-11-06 10:40:51 -080052 ha = rsp->hw;
Andrew Vasquez3d716442005-07-06 10:30:26 -070053 reg = &ha->iobase->isp;
Linus Torvalds1da177e2005-04-16 15:20:36 -070054 status = 0;
55
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -070056 spin_lock_irqsave(&ha->hardware_lock, flags);
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -070057 vha = pci_get_drvdata(ha->pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070058 for (iter = 50; iter--; ) {
Seokmann Ju14e660e2007-09-20 14:07:36 -070059 hccr = RD_REG_WORD(&reg->hccr);
Joe Lawrencec821e0d2014-08-26 17:11:41 -040060 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
Chad Dupuisf3ddac12013-10-30 03:38:16 -040061 break;
Seokmann Ju14e660e2007-09-20 14:07:36 -070062 if (hccr & HCCR_RISC_PAUSE) {
63 if (pci_channel_offline(ha->pdev))
64 break;
65
66 /*
67 * Issue a "HARD" reset in order for the RISC interrupt
Justin P. Mattocka06a0f82011-06-23 23:22:27 -070068 * bit to be cleared. Schedule a big hammer to get
Seokmann Ju14e660e2007-09-20 14:07:36 -070069 * out of the RISC PAUSED state.
70 */
71 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
72 RD_REG_WORD(&reg->hccr);
73
Anirban Chakrabortye315cd22008-11-06 10:40:51 -080074 ha->isp_ops->fw_dump(vha, 1);
75 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Seokmann Ju14e660e2007-09-20 14:07:36 -070076 break;
77 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -070078 break;
79
80 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
81 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
82 RD_REG_WORD(&reg->hccr);
83
84 /* Get mailbox data. */
Andrew Vasquez9a853f72005-07-06 10:31:27 -070085 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
86 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
Anirban Chakrabortye315cd22008-11-06 10:40:51 -080087 qla2x00_mbx_completion(vha, mb[0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -070088 status |= MBX_INTERRUPT;
Andrew Vasquez9a853f72005-07-06 10:31:27 -070089 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
90 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
91 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
92 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
Anirban Chakraborty73208df2008-12-09 16:45:39 -080093 qla2x00_async_event(vha, rsp, mb);
Linus Torvalds1da177e2005-04-16 15:20:36 -070094 } else {
95 /*EMPTY*/
Saurav Kashyap7c3df132011-07-14 12:00:13 -070096 ql_dbg(ql_dbg_async, vha, 0x5025,
97 "Unrecognized interrupt type (%d).\n",
98 mb[0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -070099 }
100 /* Release mailbox registers. */
101 WRT_REG_WORD(&reg->semaphore, 0);
102 RD_REG_WORD(&reg->semaphore);
103 } else {
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800104 qla2x00_process_response_queue(rsp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105
106 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
107 RD_REG_WORD(&reg->hccr);
108 }
109 }
gurinder.shergill@hp.com36439832013-04-23 10:13:17 -0700110 qla2x00_handle_mbx_completion(ha, status);
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -0700111 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113 return (IRQ_HANDLED);
114}
115
Chad Dupuisf3ddac12013-10-30 03:38:16 -0400116bool
Joe Lawrencec821e0d2014-08-26 17:11:41 -0400117qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
Chad Dupuisf3ddac12013-10-30 03:38:16 -0400118{
119 /* Check for PCI disconnection */
Thadeu Lima de Souza Cascardoa30c2a32015-04-30 09:13:05 -0300120 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
Joe Lawrencebeb9e312014-08-26 17:12:14 -0400121 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
Joe Lawrence6b383972014-08-26 17:12:29 -0400122 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
123 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
Joe Lawrence232792b2014-08-26 17:12:01 -0400124 /*
125 * Schedule this (only once) on the default system
126 * workqueue so that all the adapter workqueues and the
127 * DPC thread can be shutdown cleanly.
128 */
129 schedule_work(&vha->hw->board_disable);
130 }
Chad Dupuisf3ddac12013-10-30 03:38:16 -0400131 return true;
132 } else
133 return false;
134}
135
Joe Lawrencec821e0d2014-08-26 17:11:41 -0400136bool
137qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
138{
139 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
140}
141
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142/**
143 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
144 * @irq:
145 * @dev_id: SCSI driver HA context
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146 *
147 * Called by system whenever the host adapter generates an interrupt.
148 *
149 * Returns handled flag.
150 */
151irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +0100152qla2300_intr_handler(int irq, void *dev_id)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153{
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800154 scsi_qla_host_t *vha;
Andrew Vasquez3d716442005-07-06 10:30:26 -0700155 struct device_reg_2xxx __iomem *reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156 int status;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157 unsigned long iter;
158 uint32_t stat;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159 uint16_t hccr;
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700160 uint16_t mb[4];
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800161 struct rsp_que *rsp;
162 struct qla_hw_data *ha;
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -0700163 unsigned long flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800165 rsp = (struct rsp_que *) dev_id;
166 if (!rsp) {
Chad Dupuis3256b432012-02-09 11:15:47 -0800167 ql_log(ql_log_info, NULL, 0x5058,
168 "%s: NULL response queue pointer.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169 return (IRQ_NONE);
170 }
171
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800172 ha = rsp->hw;
Andrew Vasquez3d716442005-07-06 10:30:26 -0700173 reg = &ha->iobase->isp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174 status = 0;
175
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -0700176 spin_lock_irqsave(&ha->hardware_lock, flags);
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -0700177 vha = pci_get_drvdata(ha->pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178 for (iter = 50; iter--; ) {
179 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
Joe Lawrencec821e0d2014-08-26 17:11:41 -0400180 if (qla2x00_check_reg32_for_disconnect(vha, stat))
Chad Dupuisf3ddac12013-10-30 03:38:16 -0400181 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182 if (stat & HSR_RISC_PAUSED) {
Andrew Vasquez85880802009-12-15 21:29:46 -0800183 if (unlikely(pci_channel_offline(ha->pdev)))
Seokmann Ju14e660e2007-09-20 14:07:36 -0700184 break;
185
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186 hccr = RD_REG_WORD(&reg->hccr);
Chad Dupuisf3ddac12013-10-30 03:38:16 -0400187
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700189 ql_log(ql_log_warn, vha, 0x5026,
190 "Parity error -- HCCR=%x, Dumping "
191 "firmware.\n", hccr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192 else
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700193 ql_log(ql_log_warn, vha, 0x5027,
194 "RISC paused -- HCCR=%x, Dumping "
195 "firmware.\n", hccr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700196
197 /*
198 * Issue a "HARD" reset in order for the RISC
199 * interrupt bit to be cleared. Schedule a big
Justin P. Mattocka06a0f82011-06-23 23:22:27 -0700200 * hammer to get out of the RISC PAUSED state.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700201 */
202 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
203 RD_REG_WORD(&reg->hccr);
Andrew Vasquez07f31802006-12-13 19:20:31 -0800204
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800205 ha->isp_ops->fw_dump(vha, 1);
206 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700207 break;
208 } else if ((stat & HSR_RISC_INT) == 0)
209 break;
210
Linus Torvalds1da177e2005-04-16 15:20:36 -0700211 switch (stat & 0xff) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700212 case 0x1:
213 case 0x2:
214 case 0x10:
215 case 0x11:
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800216 qla2x00_mbx_completion(vha, MSW(stat));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700217 status |= MBX_INTERRUPT;
218
219 /* Release mailbox registers. */
220 WRT_REG_WORD(&reg->semaphore, 0);
221 break;
222 case 0x12:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700223 mb[0] = MSW(stat);
224 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
225 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
226 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800227 qla2x00_async_event(vha, rsp, mb);
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700228 break;
229 case 0x13:
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800230 qla2x00_process_response_queue(rsp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700231 break;
232 case 0x15:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700233 mb[0] = MBA_CMPLT_1_16BIT;
234 mb[1] = MSW(stat);
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800235 qla2x00_async_event(vha, rsp, mb);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236 break;
237 case 0x16:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700238 mb[0] = MBA_SCSI_COMPLETION;
239 mb[1] = MSW(stat);
240 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800241 qla2x00_async_event(vha, rsp, mb);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242 break;
243 default:
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700244 ql_dbg(ql_dbg_async, vha, 0x5028,
245 "Unrecognized interrupt type (%d).\n", stat & 0xff);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700246 break;
247 }
248 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
249 RD_REG_WORD_RELAXED(&reg->hccr);
250 }
gurinder.shergill@hp.com36439832013-04-23 10:13:17 -0700251 qla2x00_handle_mbx_completion(ha, status);
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -0700252 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253
Linus Torvalds1da177e2005-04-16 15:20:36 -0700254 return (IRQ_HANDLED);
255}
256
257/**
258 * qla2x00_mbx_completion() - Process mailbox command completions.
259 * @ha: SCSI driver HA context
260 * @mb0: Mailbox0 register
261 */
262static void
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800263qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700264{
265 uint16_t cnt;
Andrew Vasquez4fa94f82011-11-18 09:03:09 -0800266 uint32_t mboxes;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700267 uint16_t __iomem *wptr;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800268 struct qla_hw_data *ha = vha->hw;
Andrew Vasquez3d716442005-07-06 10:30:26 -0700269 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700270
Andrew Vasquez4fa94f82011-11-18 09:03:09 -0800271 /* Read all mbox registers? */
272 mboxes = (1 << ha->mbx_count) - 1;
273 if (!ha->mcp)
Masanari Iidaa7201012012-11-21 02:40:42 -0500274 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
Andrew Vasquez4fa94f82011-11-18 09:03:09 -0800275 else
276 mboxes = ha->mcp->in_mb;
277
Linus Torvalds1da177e2005-04-16 15:20:36 -0700278 /* Load return mailbox registers. */
279 ha->flags.mbox_int = 1;
280 ha->mailbox_out[0] = mb0;
Andrew Vasquez4fa94f82011-11-18 09:03:09 -0800281 mboxes >>= 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700282 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
283
284 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700285 if (IS_QLA2200(ha) && cnt == 8)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
Andrew Vasquez4fa94f82011-11-18 09:03:09 -0800287 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700288 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
Andrew Vasquez4fa94f82011-11-18 09:03:09 -0800289 else if (mboxes & BIT_0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700290 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -0700291
Linus Torvalds1da177e2005-04-16 15:20:36 -0700292 wptr++;
Andrew Vasquez4fa94f82011-11-18 09:03:09 -0800293 mboxes >>= 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700294 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700295}
296
Andrew Vasquez8a659572009-02-08 20:50:12 -0800297static void
298qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
299{
300 static char *event[] =
301 { "Complete", "Request Notification", "Time Extension" };
302 int rval;
303 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
Chad Dupuis9e5054e2013-10-30 03:38:23 -0400304 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
Andrew Vasquez8a659572009-02-08 20:50:12 -0800305 uint16_t __iomem *wptr;
306 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
307
308 /* Seed data -- mailbox1 -> mailbox7. */
Chad Dupuis9e5054e2013-10-30 03:38:23 -0400309 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
310 wptr = (uint16_t __iomem *)&reg24->mailbox1;
311 else if (IS_QLA8044(vha->hw))
312 wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
313 else
314 return;
315
Andrew Vasquez8a659572009-02-08 20:50:12 -0800316 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
317 mb[cnt] = RD_REG_WORD(wptr);
318
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700319 ql_dbg(ql_dbg_async, vha, 0x5021,
Giridhar Malavali6246b8a2012-02-09 11:15:34 -0800320 "Inter-Driver Communication %s -- "
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700321 "%04x %04x %04x %04x %04x %04x %04x.\n",
322 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
323 mb[4], mb[5], mb[6]);
Santosh Vernekar454073c2013-08-27 01:37:48 -0400324 switch (aen) {
325 /* Handle IDC Error completion case. */
326 case MBA_IDC_COMPLETE:
327 if (mb[1] >> 15) {
328 vha->hw->flags.idc_compl_status = 1;
Chad Dupuis9aaf2ce2013-10-30 03:38:25 -0400329 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
Santosh Vernekar454073c2013-08-27 01:37:48 -0400330 complete(&vha->hw->dcbx_comp);
331 }
332 break;
333
334 case MBA_IDC_NOTIFY:
335 /* Acknowledgement needed? [Notify && non-zero timeout]. */
336 timeout = (descr >> 8) & 0xf;
337 ql_dbg(ql_dbg_async, vha, 0x5022,
338 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
339 vha->host_no, event[aen & 0xff], timeout);
340
341 if (!timeout)
342 return;
343 rval = qla2x00_post_idc_ack_work(vha, mb);
344 if (rval != QLA_SUCCESS)
345 ql_log(ql_log_warn, vha, 0x5023,
346 "IDC failed to post ACK.\n");
347 break;
348 case MBA_IDC_TIME_EXT:
349 vha->hw->idc_extend_tmo = descr;
350 ql_dbg(ql_dbg_async, vha, 0x5087,
351 "%lu Inter-Driver Communication %s -- "
352 "Extend timeout by=%d.\n",
353 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
354 break;
Chad Dupuis8fcd6b82012-08-22 14:21:06 -0400355 }
Andrew Vasquez8a659572009-02-08 20:50:12 -0800356}
357
Chad Dupuisdaae62a2012-05-15 14:34:23 -0400358#define LS_UNKNOWN 2
Joe Carnucciod0297c92012-11-21 02:40:40 -0500359const char *
360qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
Chad Dupuisdaae62a2012-05-15 14:34:23 -0400361{
Chad Dupuisf73cb692014-02-26 04:15:06 -0500362 static const char *const link_speeds[] = {
363 "1", "2", "?", "4", "8", "16", "32", "10"
Joe Carnucciod0297c92012-11-21 02:40:40 -0500364 };
Chad Dupuisf73cb692014-02-26 04:15:06 -0500365#define QLA_LAST_SPEED 7
Chad Dupuisdaae62a2012-05-15 14:34:23 -0400366
367 if (IS_QLA2100(ha) || IS_QLA2200(ha))
Joe Carnucciod0297c92012-11-21 02:40:40 -0500368 return link_speeds[0];
369 else if (speed == 0x13)
Chad Dupuisf73cb692014-02-26 04:15:06 -0500370 return link_speeds[QLA_LAST_SPEED];
371 else if (speed < QLA_LAST_SPEED)
Joe Carnucciod0297c92012-11-21 02:40:40 -0500372 return link_speeds[speed];
373 else
374 return link_speeds[LS_UNKNOWN];
Chad Dupuisdaae62a2012-05-15 14:34:23 -0400375}
376
Saurav Kashyapfa492632012-11-21 02:40:29 -0500377static void
Santosh Vernekar7d613ac2012-08-22 14:21:03 -0400378qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
379{
380 struct qla_hw_data *ha = vha->hw;
381
382 /*
383 * 8200 AEN Interpretation:
384 * mb[0] = AEN code
385 * mb[1] = AEN Reason code
386 * mb[2] = LSW of Peg-Halt Status-1 Register
387 * mb[6] = MSW of Peg-Halt Status-1 Register
388 * mb[3] = LSW of Peg-Halt Status-2 register
389 * mb[7] = MSW of Peg-Halt Status-2 register
390 * mb[4] = IDC Device-State Register value
391 * mb[5] = IDC Driver-Presence Register value
392 */
393 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
394 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
395 mb[0], mb[1], mb[2], mb[6]);
396 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
397 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
398 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
399
400 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
401 IDC_HEARTBEAT_FAILURE)) {
402 ha->flags.nic_core_hung = 1;
403 ql_log(ql_log_warn, vha, 0x5060,
404 "83XX: F/W Error Reported: Check if reset required.\n");
405
406 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
407 uint32_t protocol_engine_id, fw_err_code, err_level;
408
409 /*
410 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
411 * - PEG-Halt Status-1 Register:
412 * (LSW = mb[2], MSW = mb[6])
413 * Bits 0-7 = protocol-engine ID
414 * Bits 8-28 = f/w error code
415 * Bits 29-31 = Error-level
416 * Error-level 0x1 = Non-Fatal error
417 * Error-level 0x2 = Recoverable Fatal error
418 * Error-level 0x4 = UnRecoverable Fatal error
419 * - PEG-Halt Status-2 Register:
420 * (LSW = mb[3], MSW = mb[7])
421 */
422 protocol_engine_id = (mb[2] & 0xff);
423 fw_err_code = (((mb[2] & 0xff00) >> 8) |
424 ((mb[6] & 0x1fff) << 8));
425 err_level = ((mb[6] & 0xe000) >> 13);
426 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
427 "Register: protocol_engine_id=0x%x "
428 "fw_err_code=0x%x err_level=0x%x.\n",
429 protocol_engine_id, fw_err_code, err_level);
430 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
431 "Register: 0x%x%x.\n", mb[7], mb[3]);
432 if (err_level == ERR_LEVEL_NON_FATAL) {
433 ql_log(ql_log_warn, vha, 0x5063,
434 "Not a fatal error, f/w has recovered "
435 "iteself.\n");
436 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
437 ql_log(ql_log_fatal, vha, 0x5064,
438 "Recoverable Fatal error: Chip reset "
439 "required.\n");
440 qla83xx_schedule_work(vha,
441 QLA83XX_NIC_CORE_RESET);
442 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
443 ql_log(ql_log_fatal, vha, 0x5065,
444 "Unrecoverable Fatal error: Set FAILED "
445 "state, reboot required.\n");
446 qla83xx_schedule_work(vha,
447 QLA83XX_NIC_CORE_UNRECOVERABLE);
448 }
449 }
450
451 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
452 uint16_t peg_fw_state, nw_interface_link_up;
453 uint16_t nw_interface_signal_detect, sfp_status;
454 uint16_t htbt_counter, htbt_monitor_enable;
455 uint16_t sfp_additonal_info, sfp_multirate;
456 uint16_t sfp_tx_fault, link_speed, dcbx_status;
457
458 /*
459 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
460 * - PEG-to-FC Status Register:
461 * (LSW = mb[2], MSW = mb[6])
462 * Bits 0-7 = Peg-Firmware state
463 * Bit 8 = N/W Interface Link-up
464 * Bit 9 = N/W Interface signal detected
465 * Bits 10-11 = SFP Status
466 * SFP Status 0x0 = SFP+ transceiver not expected
467 * SFP Status 0x1 = SFP+ transceiver not present
468 * SFP Status 0x2 = SFP+ transceiver invalid
469 * SFP Status 0x3 = SFP+ transceiver present and
470 * valid
471 * Bits 12-14 = Heartbeat Counter
472 * Bit 15 = Heartbeat Monitor Enable
473 * Bits 16-17 = SFP Additional Info
474 * SFP info 0x0 = Unregocnized transceiver for
475 * Ethernet
476 * SFP info 0x1 = SFP+ brand validation failed
477 * SFP info 0x2 = SFP+ speed validation failed
478 * SFP info 0x3 = SFP+ access error
479 * Bit 18 = SFP Multirate
480 * Bit 19 = SFP Tx Fault
481 * Bits 20-22 = Link Speed
482 * Bits 23-27 = Reserved
483 * Bits 28-30 = DCBX Status
484 * DCBX Status 0x0 = DCBX Disabled
485 * DCBX Status 0x1 = DCBX Enabled
486 * DCBX Status 0x2 = DCBX Exchange error
487 * Bit 31 = Reserved
488 */
489 peg_fw_state = (mb[2] & 0x00ff);
490 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
491 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
492 sfp_status = ((mb[2] & 0x0c00) >> 10);
493 htbt_counter = ((mb[2] & 0x7000) >> 12);
494 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
495 sfp_additonal_info = (mb[6] & 0x0003);
496 sfp_multirate = ((mb[6] & 0x0004) >> 2);
497 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
498 link_speed = ((mb[6] & 0x0070) >> 4);
499 dcbx_status = ((mb[6] & 0x7000) >> 12);
500
501 ql_log(ql_log_warn, vha, 0x5066,
502 "Peg-to-Fc Status Register:\n"
503 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
504 "nw_interface_signal_detect=0x%x"
505 "\nsfp_statis=0x%x.\n ", peg_fw_state,
506 nw_interface_link_up, nw_interface_signal_detect,
507 sfp_status);
508 ql_log(ql_log_warn, vha, 0x5067,
509 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
510 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ",
511 htbt_counter, htbt_monitor_enable,
512 sfp_additonal_info, sfp_multirate);
513 ql_log(ql_log_warn, vha, 0x5068,
514 "sfp_tx_fault=0x%x, link_state=0x%x, "
515 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
516 dcbx_status);
517
518 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
519 }
520
521 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
522 ql_log(ql_log_warn, vha, 0x5069,
523 "Heartbeat Failure encountered, chip reset "
524 "required.\n");
525
526 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
527 }
528 }
529
530 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
531 ql_log(ql_log_info, vha, 0x506a,
532 "IDC Device-State changed = 0x%x.\n", mb[4]);
Saurav Kashyap6c3943c2013-02-08 01:58:02 -0500533 if (ha->flags.nic_core_reset_owner)
534 return;
Santosh Vernekar7d613ac2012-08-22 14:21:03 -0400535 qla83xx_schedule_work(vha, MBA_IDC_AEN);
536 }
537}
538
Chad Dupuisbb4cf5b2013-02-08 01:58:01 -0500539int
540qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
541{
542 struct qla_hw_data *ha = vha->hw;
543 scsi_qla_host_t *vp;
544 uint32_t vp_did;
545 unsigned long flags;
546 int ret = 0;
547
548 if (!ha->num_vhosts)
549 return ret;
550
551 spin_lock_irqsave(&ha->vport_slock, flags);
552 list_for_each_entry(vp, &ha->vp_list, list) {
553 vp_did = vp->d_id.b24;
554 if (vp_did == rscn_entry) {
555 ret = 1;
556 break;
557 }
558 }
559 spin_unlock_irqrestore(&ha->vport_slock, flags);
560
561 return ret;
562}
563
Quinn Tran726b8542017-01-19 22:28:00 -0800564fc_port_t *
Joe Carnuccio17cac3a2015-08-04 13:37:52 -0400565qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
566{
Quinn Tran726b8542017-01-19 22:28:00 -0800567 fc_port_t *f, *tf;
Joe Carnuccio17cac3a2015-08-04 13:37:52 -0400568
Quinn Tran726b8542017-01-19 22:28:00 -0800569 f = tf = NULL;
570 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list)
571 if (f->loop_id == loop_id)
572 return f;
573 return NULL;
574}
575
576fc_port_t *
577qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted)
578{
579 fc_port_t *f, *tf;
580
581 f = tf = NULL;
582 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
583 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) {
584 if (incl_deleted)
585 return f;
586 else if (f->deleted == 0)
587 return f;
588 }
589 }
590 return NULL;
591}
592
593fc_port_t *
594qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id,
595 u8 incl_deleted)
596{
597 fc_port_t *f, *tf;
598
599 f = tf = NULL;
600 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
601 if (f->d_id.b24 == id->b24) {
602 if (incl_deleted)
603 return f;
604 else if (f->deleted == 0)
605 return f;
606 }
607 }
Joe Carnuccio17cac3a2015-08-04 13:37:52 -0400608 return NULL;
609}
610
Linus Torvalds1da177e2005-04-16 15:20:36 -0700611/**
612 * qla2x00_async_event() - Process aynchronous events.
613 * @ha: SCSI driver HA context
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700614 * @mb: Mailbox registers (0 - 3)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700615 */
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700616void
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800617qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700618{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700619 uint16_t handle_cnt;
Andrew Vasquezbdab23d2009-10-13 15:16:46 -0700620 uint16_t cnt, mbx;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700621 uint32_t handles[5];
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800622 struct qla_hw_data *ha = vha->hw;
Andrew Vasquez3d716442005-07-06 10:30:26 -0700623 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
Andrew Vasquezbdab23d2009-10-13 15:16:46 -0700624 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
Andrew Vasquezbc5c2aa2010-12-21 16:00:24 -0800625 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
Bart Van Assche52c82822015-07-09 07:23:26 -0700626 uint32_t rscn_entry, host_pid;
Harihara Kadayam4d4df192008-04-03 13:13:26 -0700627 unsigned long flags;
Chad Dupuisef86cb22014-09-25 05:17:01 -0400628 fc_port_t *fcport = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700629
630 /* Setup to process RIO completion. */
631 handle_cnt = 0;
Giridhar Malavali6246b8a2012-02-09 11:15:34 -0800632 if (IS_CNA_CAPABLE(ha))
Andrew Vasquez3a03eb72009-01-05 11:18:11 -0800633 goto skip_rio;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700634 switch (mb[0]) {
635 case MBA_SCSI_COMPLETION:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700636 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700637 handle_cnt = 1;
638 break;
639 case MBA_CMPLT_1_16BIT:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700640 handles[0] = mb[1];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700641 handle_cnt = 1;
642 mb[0] = MBA_SCSI_COMPLETION;
643 break;
644 case MBA_CMPLT_2_16BIT:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700645 handles[0] = mb[1];
646 handles[1] = mb[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700647 handle_cnt = 2;
648 mb[0] = MBA_SCSI_COMPLETION;
649 break;
650 case MBA_CMPLT_3_16BIT:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700651 handles[0] = mb[1];
652 handles[1] = mb[2];
653 handles[2] = mb[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700654 handle_cnt = 3;
655 mb[0] = MBA_SCSI_COMPLETION;
656 break;
657 case MBA_CMPLT_4_16BIT:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700658 handles[0] = mb[1];
659 handles[1] = mb[2];
660 handles[2] = mb[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700661 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
662 handle_cnt = 4;
663 mb[0] = MBA_SCSI_COMPLETION;
664 break;
665 case MBA_CMPLT_5_16BIT:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700666 handles[0] = mb[1];
667 handles[1] = mb[2];
668 handles[2] = mb[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700669 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
670 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
671 handle_cnt = 5;
672 mb[0] = MBA_SCSI_COMPLETION;
673 break;
674 case MBA_CMPLT_2_32BIT:
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700675 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700676 handles[1] = le32_to_cpu(
677 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
678 RD_MAILBOX_REG(ha, reg, 6));
679 handle_cnt = 2;
680 mb[0] = MBA_SCSI_COMPLETION;
681 break;
682 default:
683 break;
684 }
Andrew Vasquez3a03eb72009-01-05 11:18:11 -0800685skip_rio:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700686 switch (mb[0]) {
687 case MBA_SCSI_COMPLETION: /* Fast Post */
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800688 if (!vha->flags.online)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700689 break;
690
691 for (cnt = 0; cnt < handle_cnt; cnt++)
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800692 qla2x00_process_completed_request(vha, rsp->req,
693 handles[cnt]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700694 break;
695
696 case MBA_RESET: /* Reset */
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700697 ql_dbg(ql_dbg_async, vha, 0x5002,
698 "Asynchronous RESET.\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700699
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800700 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700701 break;
702
703 case MBA_SYSTEM_ERR: /* System Error */
Chad Dupuisf73cb692014-02-26 04:15:06 -0500704 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
Giridhar Malavali6246b8a2012-02-09 11:15:34 -0800705 RD_REG_WORD(&reg24->mailbox7) : 0;
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700706 ql_log(ql_log_warn, vha, 0x5003,
Andrew Vasquezbdab23d2009-10-13 15:16:46 -0700707 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
708 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700709
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800710 ha->isp_ops->fw_dump(vha, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700711
Andrew Vasqueze4289242007-07-19 15:05:56 -0700712 if (IS_FWI2_CAPABLE(ha)) {
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700713 if (mb[1] == 0 && mb[2] == 0) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700714 ql_log(ql_log_fatal, vha, 0x5004,
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700715 "Unrecoverable Hardware Error: adapter "
716 "marked OFFLINE!\n");
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800717 vha->flags.online = 0;
Giridhar Malavali6246b8a2012-02-09 11:15:34 -0800718 vha->device_flags |= DFLG_DEV_FAILED;
Madhuranath Iyengarb1d46982010-09-03 15:20:54 -0700719 } else {
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300720 /* Check to see if MPI timeout occurred */
Chad Dupuisf73cb692014-02-26 04:15:06 -0500721 if ((mbx & MBX_3) && (ha->port_no == 0))
Madhuranath Iyengarb1d46982010-09-03 15:20:54 -0700722 set_bit(MPI_RESET_NEEDED,
723 &vha->dpc_flags);
724
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800725 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Madhuranath Iyengarb1d46982010-09-03 15:20:54 -0700726 }
Andrew Vasquez9a853f72005-07-06 10:31:27 -0700727 } else if (mb[1] == 0) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700728 ql_log(ql_log_fatal, vha, 0x5005,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700729 "Unrecoverable Hardware Error: adapter marked "
730 "OFFLINE!\n");
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800731 vha->flags.online = 0;
Giridhar Malavali6246b8a2012-02-09 11:15:34 -0800732 vha->device_flags |= DFLG_DEV_FAILED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700733 } else
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800734 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700735 break;
736
737 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700738 ql_log(ql_log_warn, vha, 0x5006,
739 "ISP Request Transfer Error (%x).\n", mb[1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700740
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800741 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700742 break;
743
744 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700745 ql_log(ql_log_warn, vha, 0x5007,
Joe Carnuccio41233cd2016-07-06 11:14:29 -0400746 "ISP Response Transfer Error (%x).\n", mb[1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700747
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800748 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700749 break;
750
751 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700752 ql_dbg(ql_dbg_async, vha, 0x5008,
Joe Carnuccio41233cd2016-07-06 11:14:29 -0400753 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
Nicholas Bellinger2d70c102012-05-15 14:34:28 -0400754 break;
Joe Carnuccio41233cd2016-07-06 11:14:29 -0400755
756 case MBA_LOOP_INIT_ERR:
Sawan Chandak75d560e2016-07-06 11:14:33 -0400757 ql_log(ql_log_warn, vha, 0x5090,
Joe Carnuccio41233cd2016-07-06 11:14:29 -0400758 "LOOP INIT ERROR (%x).\n", mb[1]);
759 ha->isp_ops->fw_dump(vha, 1);
760 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
761 break;
762
Linus Torvalds1da177e2005-04-16 15:20:36 -0700763 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
Chad Dupuiscfb09192011-11-18 09:03:07 -0800764 ql_dbg(ql_dbg_async, vha, 0x5009,
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700765 "LIP occurred (%x).\n", mb[1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700766
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800767 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
768 atomic_set(&vha->loop_state, LOOP_DOWN);
769 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
770 qla2x00_mark_all_devices_lost(vha, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700771 }
772
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800773 if (vha->vp_idx) {
774 atomic_set(&vha->vp_state, VP_FAILED);
775 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700776 }
777
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800778 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
779 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700780
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800781 vha->flags.management_server_logged_in = 0;
782 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700783 break;
784
785 case MBA_LOOP_UP: /* Loop Up Event */
Chad Dupuisdaae62a2012-05-15 14:34:23 -0400786 if (IS_QLA2100(ha) || IS_QLA2200(ha))
Andrew Vasquezd8b45212006-10-02 12:00:43 -0700787 ha->link_data_rate = PORT_SPEED_1GB;
Chad Dupuisdaae62a2012-05-15 14:34:23 -0400788 else
Linus Torvalds1da177e2005-04-16 15:20:36 -0700789 ha->link_data_rate = mb[1];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700790
Chad Dupuis8e5a9482014-08-08 07:38:09 -0400791 ql_log(ql_log_info, vha, 0x500a,
Chad Dupuisdaae62a2012-05-15 14:34:23 -0400792 "LOOP UP detected (%s Gbps).\n",
Joe Carnucciod0297c92012-11-21 02:40:40 -0500793 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700794
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800795 vha->flags.management_server_logged_in = 0;
796 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700797 break;
798
799 case MBA_LOOP_DOWN: /* Loop Down Event */
Giridhar Malavali6246b8a2012-02-09 11:15:34 -0800800 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
801 ? RD_REG_WORD(&reg24->mailbox4) : 0;
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -0400802 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(&reg82->mailbox_out[4])
803 : mbx;
Chad Dupuis8e5a9482014-08-08 07:38:09 -0400804 ql_log(ql_log_info, vha, 0x500b,
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700805 "LOOP DOWN detected (%x %x %x %x).\n",
806 mb[1], mb[2], mb[3], mbx);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700807
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800808 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
809 atomic_set(&vha->loop_state, LOOP_DOWN);
810 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
Himanshu Madhani2486c622014-09-25 05:17:00 -0400811 /*
812 * In case of loop down, restore WWPN from
813 * NVRAM in case of FA-WWPN capable ISP
Sawan Chandak718abbd2015-04-09 15:00:07 -0400814 * Restore for Physical Port only
Himanshu Madhani2486c622014-09-25 05:17:00 -0400815 */
Sawan Chandak718abbd2015-04-09 15:00:07 -0400816 if (!vha->vp_idx) {
817 if (ha->flags.fawwpn_enabled) {
818 void *wwpn = ha->init_cb->port_name;
819 memcpy(vha->port_name, wwpn, WWN_SIZE);
820 fc_host_port_name(vha->host) =
821 wwn_to_u64(vha->port_name);
822 ql_dbg(ql_dbg_init + ql_dbg_verbose,
823 vha, 0x0144, "LOOP DOWN detected,"
824 "restore WWPN %016llx\n",
825 wwn_to_u64(vha->port_name));
826 }
Himanshu Madhani2486c622014-09-25 05:17:00 -0400827
Sawan Chandak718abbd2015-04-09 15:00:07 -0400828 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
Himanshu Madhani2486c622014-09-25 05:17:00 -0400829 }
830
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800831 vha->device_flags |= DFLG_NO_CABLE;
832 qla2x00_mark_all_devices_lost(vha, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700833 }
834
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800835 if (vha->vp_idx) {
836 atomic_set(&vha->vp_state, VP_FAILED);
837 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700838 }
839
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800840 vha->flags.management_server_logged_in = 0;
Andrew Vasquezd8b45212006-10-02 12:00:43 -0700841 ha->link_data_rate = PORT_SPEED_UNKNOWN;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800842 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700843 break;
844
845 case MBA_LIP_RESET: /* LIP reset occurred */
Chad Dupuiscfb09192011-11-18 09:03:07 -0800846 ql_dbg(ql_dbg_async, vha, 0x500c,
Bjorn Helgaascc3ef7b2008-09-11 21:22:51 -0700847 "LIP reset occurred (%x).\n", mb[1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700848
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800849 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
850 atomic_set(&vha->loop_state, LOOP_DOWN);
851 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
852 qla2x00_mark_all_devices_lost(vha, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700853 }
854
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800855 if (vha->vp_idx) {
856 atomic_set(&vha->vp_state, VP_FAILED);
857 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700858 }
859
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800860 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700861
862 ha->operating_mode = LOOP;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800863 vha->flags.management_server_logged_in = 0;
864 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700865 break;
866
Andrew Vasquez3a03eb72009-01-05 11:18:11 -0800867 /* case MBA_DCBX_COMPLETE: */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700868 case MBA_POINT_TO_POINT: /* Point-to-Point */
869 if (IS_QLA2100(ha))
870 break;
871
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -0400872 if (IS_CNA_CAPABLE(ha)) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700873 ql_dbg(ql_dbg_async, vha, 0x500d,
874 "DCBX Completed -- %04x %04x %04x.\n",
875 mb[1], mb[2], mb[3]);
Chad Dupuis9aaf2ce2013-10-30 03:38:25 -0400876 if (ha->notify_dcbx_comp && !vha->vp_idx)
Sarang Radke23f2ebd2010-05-28 15:08:21 -0700877 complete(&ha->dcbx_comp);
878
879 } else
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700880 ql_dbg(ql_dbg_async, vha, 0x500e,
881 "Asynchronous P2P MODE received.\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700882
883 /*
884 * Until there's a transition from loop down to loop up, treat
885 * this as loop down only.
886 */
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800887 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
888 atomic_set(&vha->loop_state, LOOP_DOWN);
889 if (!atomic_read(&vha->loop_down_timer))
890 atomic_set(&vha->loop_down_timer,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700891 LOOP_DOWN_TIME);
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800892 qla2x00_mark_all_devices_lost(vha, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700893 }
894
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800895 if (vha->vp_idx) {
896 atomic_set(&vha->vp_state, VP_FAILED);
897 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700898 }
899
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800900 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
901 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
902
903 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
904 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
Andrew Vasquez4346b142006-12-13 19:20:28 -0800905
906 ha->flags.gpsc_supported = 1;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800907 vha->flags.management_server_logged_in = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700908 break;
909
910 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
911 if (IS_QLA2100(ha))
912 break;
913
Chad Dupuiscfb09192011-11-18 09:03:07 -0800914 ql_dbg(ql_dbg_async, vha, 0x500f,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700915 "Configuration change detected: value=%x.\n", mb[1]);
916
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800917 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
918 atomic_set(&vha->loop_state, LOOP_DOWN);
919 if (!atomic_read(&vha->loop_down_timer))
920 atomic_set(&vha->loop_down_timer,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700921 LOOP_DOWN_TIME);
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800922 qla2x00_mark_all_devices_lost(vha, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700923 }
924
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800925 if (vha->vp_idx) {
926 atomic_set(&vha->vp_state, VP_FAILED);
927 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
Seokmann Ju2c3dfe32007-07-05 13:16:51 -0700928 }
929
Anirban Chakrabortye315cd22008-11-06 10:40:51 -0800930 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
931 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700932 break;
933
934 case MBA_PORT_UPDATE: /* Port database update */
Santosh Vernekar55903b92009-07-31 15:09:25 -0700935 /*
936 * Handle only global and vn-port update events
937 *
938 * Relevant inputs:
939 * mb[1] = N_Port handle of changed port
940 * OR 0xffff for global event
941 * mb[2] = New login state
942 * 7 = Port logged out
943 * mb[3] = LSB is vp_idx, 0xff = all vps
944 *
945 * Skip processing if:
946 * Event is global, vp_idx is NOT all vps,
947 * vp_idx does not match
948 * Event is not global, vp_idx does not match
949 */
Andrew Vasquez12cec63e42010-03-19 16:59:17 -0700950 if (IS_QLA2XXX_MIDTYPE(ha) &&
951 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
952 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
953 break;
Anirban Chakraborty73208df2008-12-09 16:45:39 -0800954
Joe Carnuccio17cac3a2015-08-04 13:37:52 -0400955 if (mb[2] == 0x7) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700956 ql_dbg(ql_dbg_async, vha, 0x5010,
Joe Carnuccio17cac3a2015-08-04 13:37:52 -0400957 "Port %s %04x %04x %04x.\n",
958 mb[1] == 0xffff ? "unavailable" : "logout",
Saurav Kashyap7c3df132011-07-14 12:00:13 -0700959 mb[1], mb[2], mb[3]);
Joe Carnuccio17cac3a2015-08-04 13:37:52 -0400960
961 if (mb[1] == 0xffff)
962 goto global_port_update;
963
964 /* Port logout */
965 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
966 if (!fcport)
967 break;
968 if (atomic_read(&fcport->state) != FCS_ONLINE)
969 break;
970 ql_dbg(ql_dbg_async, vha, 0x508a,
971 "Marking port lost loopid=%04x portid=%06x.\n",
972 fcport->loop_id, fcport->d_id.b24);
Quinn Tran726b8542017-01-19 22:28:00 -0800973 if (qla_ini_mode_enabled(vha)) {
974 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
975 fcport->logout_on_delete = 0;
976 qlt_schedule_sess_for_deletion_lock(fcport);
977 }
Joe Carnuccio17cac3a2015-08-04 13:37:52 -0400978 break;
979
980global_port_update:
Andrew Vasquez9764ff82009-07-31 15:09:24 -0700981 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
982 atomic_set(&vha->loop_state, LOOP_DOWN);
983 atomic_set(&vha->loop_down_timer,
984 LOOP_DOWN_TIME);
985 vha->device_flags |= DFLG_NO_CABLE;
986 qla2x00_mark_all_devices_lost(vha, 1);
987 }
988
989 if (vha->vp_idx) {
990 atomic_set(&vha->vp_state, VP_FAILED);
991 fc_vport_set_state(vha->fc_vport,
992 FC_VPORT_FAILED);
Santosh Vernekarfaadc5e2009-07-31 15:09:26 -0700993 qla2x00_mark_all_devices_lost(vha, 1);
Andrew Vasquez9764ff82009-07-31 15:09:24 -0700994 }
995
996 vha->flags.management_server_logged_in = 0;
997 ha->link_data_rate = PORT_SPEED_UNKNOWN;
998 break;
999 }
1000
Linus Torvalds1da177e2005-04-16 15:20:36 -07001001 /*
Bjorn Helgaascc3ef7b2008-09-11 21:22:51 -07001002 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
Linus Torvalds1da177e2005-04-16 15:20:36 -07001003 * event etc. earlier indicating loop is down) then process
1004 * it. Otherwise ignore it and Wait for RSCN to come in.
1005 */
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001006 atomic_set(&vha->loop_down_timer, 0);
Chad Dupuis8e5a9482014-08-08 07:38:09 -04001007 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
1008 atomic_read(&vha->loop_state) != LOOP_DEAD) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001009 ql_dbg(ql_dbg_async, vha, 0x5011,
1010 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1011 mb[1], mb[2], mb[3]);
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04001012
1013 qlt_async_event(mb[0], vha, mb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001014 break;
1015 }
1016
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001017 ql_dbg(ql_dbg_async, vha, 0x5012,
1018 "Port database changed %04x %04x %04x.\n",
1019 mb[1], mb[2], mb[3]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001020
1021 /*
1022 * Mark all devices as missing so we will login again.
1023 */
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001024 atomic_set(&vha->loop_state, LOOP_UP);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001025
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001026 qla2x00_mark_all_devices_lost(vha, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001027
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001028 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1029 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
Sawan Chandakded64112015-04-09 15:00:06 -04001030 set_bit(VP_CONFIG_OK, &vha->vp_flags);
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04001031
1032 qlt_async_event(mb[0], vha, mb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001033 break;
1034
1035 case MBA_RSCN_UPDATE: /* State Change Registration */
Seokmann Ju3c397402008-05-19 14:25:39 -07001036 /* Check if the Vport has issued a SCR */
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001037 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
Seokmann Ju3c397402008-05-19 14:25:39 -07001038 break;
1039 /* Only handle SCNs for our Vport index. */
Andrew Vasquez0d6e61b2009-08-25 11:36:19 -07001040 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
Seokmann Ju3c397402008-05-19 14:25:39 -07001041 break;
Andrew Vasquez0d6e61b2009-08-25 11:36:19 -07001042
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001043 ql_dbg(ql_dbg_async, vha, 0x5013,
1044 "RSCN database changed -- %04x %04x %04x.\n",
1045 mb[1], mb[2], mb[3]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001046
Ravi Anand59d72d82008-09-11 21:22:53 -07001047 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001048 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1049 | vha->d_id.b.al_pa;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001050 if (rscn_entry == host_pid) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001051 ql_dbg(ql_dbg_async, vha, 0x5014,
1052 "Ignoring RSCN update to local host "
1053 "port ID (%06x).\n", host_pid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001054 break;
1055 }
1056
Ravi Anand59d72d82008-09-11 21:22:53 -07001057 /* Ignore reserved bits from RSCN-payload. */
1058 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001059
Chad Dupuisbb4cf5b2013-02-08 01:58:01 -05001060 /* Skip RSCNs for virtual ports on the same physical port */
1061 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1062 break;
1063
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001064 atomic_set(&vha->loop_down_timer, 0);
1065 vha->flags.management_server_logged_in = 0;
Quinn Tran726b8542017-01-19 22:28:00 -08001066 {
1067 struct event_arg ea;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001068
Quinn Tran726b8542017-01-19 22:28:00 -08001069 memset(&ea, 0, sizeof(ea));
1070 ea.event = FCME_RSCN;
1071 ea.id.b24 = rscn_entry;
Quinn Tran41dc5292017-01-19 22:28:03 -08001072 ea.id.b.rsvd_1 = rscn_entry >> 24;
Quinn Tran726b8542017-01-19 22:28:00 -08001073 qla2x00_fcport_event_handler(vha, &ea);
Quinn Tran41dc5292017-01-19 22:28:03 -08001074 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
Quinn Tran726b8542017-01-19 22:28:00 -08001075 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001076 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001077 /* case MBA_RIO_RESPONSE: */
1078 case MBA_ZIO_RESPONSE:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001079 ql_dbg(ql_dbg_async, vha, 0x5015,
1080 "[R|Z]IO update completion.\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001081
Andrew Vasqueze4289242007-07-19 15:05:56 -07001082 if (IS_FWI2_CAPABLE(ha))
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07001083 qla24xx_process_response_queue(vha, rsp);
Andrew Vasquez4fdfefe2005-10-27 11:09:48 -07001084 else
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001085 qla2x00_process_response_queue(rsp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001086 break;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07001087
1088 case MBA_DISCARD_RND_FRAME:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001089 ql_dbg(ql_dbg_async, vha, 0x5016,
1090 "Discard RND Frame -- %04x %04x %04x.\n",
1091 mb[1], mb[2], mb[3]);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07001092 break;
Andrew Vasquez45ebeb52006-08-01 13:48:14 -07001093
1094 case MBA_TRACE_NOTIFICATION:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001095 ql_dbg(ql_dbg_async, vha, 0x5017,
1096 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
Andrew Vasquez45ebeb52006-08-01 13:48:14 -07001097 break;
Harihara Kadayam4d4df192008-04-03 13:13:26 -07001098
1099 case MBA_ISP84XX_ALERT:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001100 ql_dbg(ql_dbg_async, vha, 0x5018,
1101 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1102 mb[1], mb[2], mb[3]);
Harihara Kadayam4d4df192008-04-03 13:13:26 -07001103
1104 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1105 switch (mb[1]) {
1106 case A84_PANIC_RECOVERY:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001107 ql_log(ql_log_info, vha, 0x5019,
1108 "Alert 84XX: panic recovery %04x %04x.\n",
1109 mb[2], mb[3]);
Harihara Kadayam4d4df192008-04-03 13:13:26 -07001110 break;
1111 case A84_OP_LOGIN_COMPLETE:
1112 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001113 ql_log(ql_log_info, vha, 0x501a,
1114 "Alert 84XX: firmware version %x.\n",
1115 ha->cs84xx->op_fw_version);
Harihara Kadayam4d4df192008-04-03 13:13:26 -07001116 break;
1117 case A84_DIAG_LOGIN_COMPLETE:
1118 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001119 ql_log(ql_log_info, vha, 0x501b,
1120 "Alert 84XX: diagnostic firmware version %x.\n",
1121 ha->cs84xx->diag_fw_version);
Harihara Kadayam4d4df192008-04-03 13:13:26 -07001122 break;
1123 case A84_GOLD_LOGIN_COMPLETE:
1124 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1125 ha->cs84xx->fw_update = 1;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001126 ql_log(ql_log_info, vha, 0x501c,
1127 "Alert 84XX: gold firmware version %x.\n",
1128 ha->cs84xx->gold_fw_version);
Harihara Kadayam4d4df192008-04-03 13:13:26 -07001129 break;
1130 default:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001131 ql_log(ql_log_warn, vha, 0x501d,
1132 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
Harihara Kadayam4d4df192008-04-03 13:13:26 -07001133 mb[1], mb[2], mb[3]);
1134 }
1135 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1136 break;
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08001137 case MBA_DCBX_START:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001138 ql_dbg(ql_dbg_async, vha, 0x501e,
1139 "DCBX Started -- %04x %04x %04x.\n",
1140 mb[1], mb[2], mb[3]);
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08001141 break;
1142 case MBA_DCBX_PARAM_UPDATE:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001143 ql_dbg(ql_dbg_async, vha, 0x501f,
1144 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1145 mb[1], mb[2], mb[3]);
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08001146 break;
1147 case MBA_FCF_CONF_ERR:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001148 ql_dbg(ql_dbg_async, vha, 0x5020,
1149 "FCF Configuration Error -- %04x %04x %04x.\n",
1150 mb[1], mb[2], mb[3]);
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08001151 break;
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08001152 case MBA_IDC_NOTIFY:
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -04001153 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
Chad Dupuis67b2a312013-02-08 01:57:51 -05001154 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1155 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1156 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1157 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
Chad Dupuis8fcd6b82012-08-22 14:21:06 -04001158 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
Chad Dupuis67b2a312013-02-08 01:57:51 -05001159 /*
1160 * Extend loop down timer since port is active.
1161 */
1162 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1163 atomic_set(&vha->loop_down_timer,
1164 LOOP_DOWN_TIME);
Chad Dupuis8fcd6b82012-08-22 14:21:06 -04001165 qla2xxx_wake_dpc(vha);
1166 }
Chad Dupuis67b2a312013-02-08 01:57:51 -05001167 }
Chad Dupuis8fcd6b82012-08-22 14:21:06 -04001168 case MBA_IDC_COMPLETE:
Chad Dupuis9aaf2ce2013-10-30 03:38:25 -04001169 if (ha->notify_lb_portup_comp && !vha->vp_idx)
Chad Dupuisf356bef2013-02-08 01:58:04 -05001170 complete(&ha->lb_portup_comp);
1171 /* Fallthru */
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08001172 case MBA_IDC_TIME_EXT:
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -04001173 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1174 IS_QLA8044(ha))
Santosh Vernekar7d613ac2012-08-22 14:21:03 -04001175 qla81xx_idc_event(vha, mb[0], mb[1]);
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08001176 break;
Santosh Vernekar7d613ac2012-08-22 14:21:03 -04001177
1178 case MBA_IDC_AEN:
1179 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1180 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1181 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1182 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1183 qla83xx_handle_8200_aen(vha, mb);
1184 break;
1185
Joe Carnucciob5a340d2014-09-25 05:16:48 -04001186 case MBA_DPORT_DIAGNOSTICS:
1187 ql_dbg(ql_dbg_async, vha, 0x5052,
Joe Carnuccioef55e512016-07-06 11:14:30 -04001188 "D-Port Diagnostics: %04x result=%s\n",
Joe Carnuccioec891462016-07-06 11:14:26 -04001189 mb[0],
Joe Carnucciob5a340d2014-09-25 05:16:48 -04001190 mb[1] == 0 ? "start" :
Joe Carnuccioef55e512016-07-06 11:14:30 -04001191 mb[1] == 1 ? "done (pass)" :
1192 mb[1] == 2 ? "done (error)" : "other");
Joe Carnucciob5a340d2014-09-25 05:16:48 -04001193 break;
1194
Joe Carnuccioa29b3dd2016-07-06 11:14:19 -04001195 case MBA_TEMPERATURE_ALERT:
1196 ql_dbg(ql_dbg_async, vha, 0x505e,
1197 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1198 if (mb[1] == 0x12)
1199 schedule_work(&ha->board_disable);
1200 break;
1201
Giridhar Malavali6246b8a2012-02-09 11:15:34 -08001202 default:
1203 ql_dbg(ql_dbg_async, vha, 0x5057,
1204 "Unknown AEN:%04x %04x %04x %04x\n",
1205 mb[0], mb[1], mb[2], mb[3]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001206 }
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07001207
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04001208 qlt_async_event(mb[0], vha, mb);
1209
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001210 if (!vha->vp_idx && ha->num_vhosts)
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001211 qla2x00_alert_all_vps(rsp, mb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001212}
1213
1214/**
1215 * qla2x00_process_completed_request() - Process a Fast Post response.
1216 * @ha: SCSI driver HA context
1217 * @index: SRB index
1218 */
Giridhar Malavali8ae6d9c2013-03-28 08:21:23 -04001219void
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001220qla2x00_process_completed_request(struct scsi_qla_host *vha,
Giridhar Malavali8ae6d9c2013-03-28 08:21:23 -04001221 struct req_que *req, uint32_t index)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001222{
1223 srb_t *sp;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001224 struct qla_hw_data *ha = vha->hw;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001225
1226 /* Validate handle. */
Chad Dupuis8d93f552013-01-30 03:34:37 -05001227 if (index >= req->num_outstanding_cmds) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001228 ql_log(ql_log_warn, vha, 0x3014,
1229 "Invalid SCSI command index (%x).\n", index);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001230
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -04001231 if (IS_P3P_TYPE(ha))
Giridhar Malavali8f7daea2011-03-30 11:46:26 -07001232 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1233 else
1234 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001235 return;
1236 }
1237
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001238 sp = req->outstanding_cmds[index];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001239 if (sp) {
1240 /* Free outstanding command slot. */
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001241 req->outstanding_cmds[index] = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001242
Linus Torvalds1da177e2005-04-16 15:20:36 -07001243 /* Save ISP completion status */
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08001244 sp->done(sp, DID_OK << 16);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001245 } else {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001246 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001247
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -04001248 if (IS_P3P_TYPE(ha))
Giridhar Malavali8f7daea2011-03-30 11:46:26 -07001249 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1250 else
1251 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001252 }
1253}
1254
Giridhar Malavali8ae6d9c2013-03-28 08:21:23 -04001255srb_t *
Andrew Vasquezac280b62009-08-20 11:06:05 -07001256qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1257 struct req_que *req, void *iocb)
1258{
1259 struct qla_hw_data *ha = vha->hw;
1260 sts_entry_t *pkt = iocb;
1261 srb_t *sp = NULL;
1262 uint16_t index;
1263
1264 index = LSW(pkt->handle);
Chad Dupuis8d93f552013-01-30 03:34:37 -05001265 if (index >= req->num_outstanding_cmds) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001266 ql_log(ql_log_warn, vha, 0x5031,
Quinn Tran726b8542017-01-19 22:28:00 -08001267 "Invalid command index (%x) type %8ph.\n",
1268 index, iocb);
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -04001269 if (IS_P3P_TYPE(ha))
Giridhar Malavali8f7daea2011-03-30 11:46:26 -07001270 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1271 else
1272 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Andrew Vasquezac280b62009-08-20 11:06:05 -07001273 goto done;
1274 }
1275 sp = req->outstanding_cmds[index];
1276 if (!sp) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001277 ql_log(ql_log_warn, vha, 0x5032,
1278 "Invalid completion handle (%x) -- timed-out.\n", index);
Andrew Vasquezac280b62009-08-20 11:06:05 -07001279 return sp;
1280 }
1281 if (sp->handle != index) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001282 ql_log(ql_log_warn, vha, 0x5033,
1283 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
Andrew Vasquezac280b62009-08-20 11:06:05 -07001284 return NULL;
1285 }
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001286
Andrew Vasquezac280b62009-08-20 11:06:05 -07001287 req->outstanding_cmds[index] = NULL;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001288
Andrew Vasquezac280b62009-08-20 11:06:05 -07001289done:
1290 return sp;
1291}
1292
1293static void
1294qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1295 struct mbx_entry *mbx)
1296{
1297 const char func[] = "MBX-IOCB";
1298 const char *type;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001299 fc_port_t *fcport;
1300 srb_t *sp;
Madhuranath Iyengar49163922010-05-04 15:01:28 -07001301 struct srb_iocb *lio;
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001302 uint16_t *data;
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001303 uint16_t status;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001304
1305 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1306 if (!sp)
1307 return;
1308
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001309 lio = &sp->u.iocb_cmd;
1310 type = sp->name;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001311 fcport = sp->fcport;
Madhuranath Iyengar49163922010-05-04 15:01:28 -07001312 data = lio->u.logio.data;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001313
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001314 data[0] = MBS_COMMAND_ERROR;
Madhuranath Iyengar49163922010-05-04 15:01:28 -07001315 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001316 QLA_LOGIO_LOGIN_RETRIED : 0;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001317 if (mbx->entry_status) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001318 ql_dbg(ql_dbg_async, vha, 0x5043,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001319 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
Andrew Vasquezd3fa9e72010-05-28 15:08:16 -07001320 "entry-status=%x status=%x state-flag=%x "
Chad Dupuiscfb09192011-11-18 09:03:07 -08001321 "status-flags=%x.\n", type, sp->handle,
1322 fcport->d_id.b.domain, fcport->d_id.b.area,
Andrew Vasquezd3fa9e72010-05-28 15:08:16 -07001323 fcport->d_id.b.al_pa, mbx->entry_status,
1324 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001325 le16_to_cpu(mbx->status_flags));
Andrew Vasquezd3fa9e72010-05-28 15:08:16 -07001326
Chad Dupuiscfb09192011-11-18 09:03:07 -08001327 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001328 (uint8_t *)mbx, sizeof(*mbx));
Andrew Vasquezac280b62009-08-20 11:06:05 -07001329
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001330 goto logio_done;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001331 }
1332
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001333 status = le16_to_cpu(mbx->status);
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001334 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001335 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1336 status = 0;
1337 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001338 ql_dbg(ql_dbg_async, vha, 0x5045,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001339 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1340 type, sp->handle, fcport->d_id.b.domain,
1341 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1342 le16_to_cpu(mbx->mb1));
Andrew Vasquezac280b62009-08-20 11:06:05 -07001343
1344 data[0] = MBS_COMMAND_COMPLETE;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001345 if (sp->type == SRB_LOGIN_CMD) {
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001346 fcport->port_type = FCT_TARGET;
1347 if (le16_to_cpu(mbx->mb1) & BIT_0)
1348 fcport->port_type = FCT_INITIATOR;
Andrew Vasquez6ac52602010-05-28 15:08:19 -07001349 else if (le16_to_cpu(mbx->mb1) & BIT_1)
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001350 fcport->flags |= FCF_FCP2_DEVICE;
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001351 }
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001352 goto logio_done;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001353 }
1354
1355 data[0] = le16_to_cpu(mbx->mb0);
1356 switch (data[0]) {
1357 case MBS_PORT_ID_USED:
1358 data[1] = le16_to_cpu(mbx->mb1);
1359 break;
1360 case MBS_LOOP_ID_USED:
1361 break;
1362 default:
1363 data[0] = MBS_COMMAND_ERROR;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001364 break;
1365 }
1366
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001367 ql_log(ql_log_warn, vha, 0x5046,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001368 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1369 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1370 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1371 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
Andrew Vasquezac280b62009-08-20 11:06:05 -07001372 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001373 le16_to_cpu(mbx->mb7));
Andrew Vasquezac280b62009-08-20 11:06:05 -07001374
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001375logio_done:
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08001376 sp->done(sp, 0);
Andrew Vasquezac280b62009-08-20 11:06:05 -07001377}
1378
1379static void
Quinn Tran726b8542017-01-19 22:28:00 -08001380qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1381 struct mbx_24xx_entry *pkt)
1382{
1383 const char func[] = "MBX-IOCB2";
1384 srb_t *sp;
1385 struct srb_iocb *si;
1386 u16 sz, i;
1387 int res;
1388
1389 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1390 if (!sp)
1391 return;
1392
1393 si = &sp->u.iocb_cmd;
1394 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
1395
1396 for (i = 0; i < sz; i++)
1397 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]);
1398
1399 res = (si->u.mbx.in_mb[0] & MBS_MASK);
1400
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08001401 sp->done(sp, res);
Quinn Tran726b8542017-01-19 22:28:00 -08001402}
1403
1404static void
1405qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1406 struct nack_to_isp *pkt)
1407{
1408 const char func[] = "nack";
1409 srb_t *sp;
1410 int res = 0;
1411
1412 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1413 if (!sp)
1414 return;
1415
1416 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
1417 res = QLA_FUNCTION_FAILED;
1418
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08001419 sp->done(sp, res);
Andrew Vasquezac280b62009-08-20 11:06:05 -07001420}
1421
1422static void
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001423qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1424 sts_entry_t *pkt, int iocb_type)
1425{
1426 const char func[] = "CT_IOCB";
1427 const char *type;
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001428 srb_t *sp;
Johannes Thumshirn75cc8cf2016-11-17 10:31:19 +01001429 struct bsg_job *bsg_job;
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01001430 struct fc_bsg_reply *bsg_reply;
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001431 uint16_t comp_status;
Quinn Tran726b8542017-01-19 22:28:00 -08001432 int res = 0;
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001433
1434 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1435 if (!sp)
1436 return;
1437
Quinn Tran726b8542017-01-19 22:28:00 -08001438 switch (sp->type) {
1439 case SRB_CT_CMD:
1440 bsg_job = sp->u.bsg_job;
1441 bsg_reply = bsg_job->reply;
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001442
Quinn Tran726b8542017-01-19 22:28:00 -08001443 type = "ct pass-through";
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001444
Quinn Tran726b8542017-01-19 22:28:00 -08001445 comp_status = le16_to_cpu(pkt->comp_status);
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001446
Quinn Tran726b8542017-01-19 22:28:00 -08001447 /*
1448 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1449 * fc payload to the caller
1450 */
1451 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1452 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001453
Quinn Tran726b8542017-01-19 22:28:00 -08001454 if (comp_status != CS_COMPLETE) {
1455 if (comp_status == CS_DATA_UNDERRUN) {
1456 res = DID_OK << 16;
1457 bsg_reply->reply_payload_rcv_len =
1458 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001459
Quinn Tran726b8542017-01-19 22:28:00 -08001460 ql_log(ql_log_warn, vha, 0x5048,
1461 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
1462 type, comp_status,
1463 bsg_reply->reply_payload_rcv_len);
1464 } else {
1465 ql_log(ql_log_warn, vha, 0x5049,
1466 "CT pass-through-%s error comp_status=0x%x.\n",
1467 type, comp_status);
1468 res = DID_ERROR << 16;
1469 bsg_reply->reply_payload_rcv_len = 0;
1470 }
1471 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1472 (uint8_t *)pkt, sizeof(*pkt));
1473 } else {
1474 res = DID_OK << 16;
1475 bsg_reply->reply_payload_rcv_len =
1476 bsg_job->reply_payload.payload_len;
1477 bsg_job->reply_len = 0;
1478 }
1479 break;
1480 case SRB_CT_PTHRU_CMD:
1481 /*
1482 * borrowing sts_entry_24xx.comp_status.
1483 * same location as ct_entry_24xx.comp_status
1484 */
1485 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1486 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1487 sp->name);
1488 break;
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001489 }
1490
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08001491 sp->done(sp, res);
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001492}
1493
1494static void
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001495qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1496 struct sts_entry_24xx *pkt, int iocb_type)
1497{
1498 const char func[] = "ELS_CT_IOCB";
1499 const char *type;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001500 srb_t *sp;
Johannes Thumshirn75cc8cf2016-11-17 10:31:19 +01001501 struct bsg_job *bsg_job;
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01001502 struct fc_bsg_reply *bsg_reply;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001503 uint16_t comp_status;
1504 uint32_t fw_status[3];
1505 uint8_t* fw_sts_ptr;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001506 int res;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001507
1508 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1509 if (!sp)
1510 return;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001511 bsg_job = sp->u.bsg_job;
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01001512 bsg_reply = bsg_job->reply;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001513
1514 type = NULL;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001515 switch (sp->type) {
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001516 case SRB_ELS_CMD_RPT:
1517 case SRB_ELS_CMD_HST:
1518 type = "els";
1519 break;
1520 case SRB_CT_CMD:
1521 type = "ct pass-through";
1522 break;
Himanshu Madhani6eb54712015-12-17 14:57:00 -05001523 case SRB_ELS_DCMD:
1524 type = "Driver ELS logo";
1525 ql_dbg(ql_dbg_user, vha, 0x5047,
1526 "Completing %s: (%p) type=%d.\n", type, sp, sp->type);
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08001527 sp->done(sp, 0);
Himanshu Madhani6eb54712015-12-17 14:57:00 -05001528 return;
Quinn Tran726b8542017-01-19 22:28:00 -08001529 case SRB_CT_PTHRU_CMD:
1530 /* borrowing sts_entry_24xx.comp_status.
1531 same location as ct_entry_24xx.comp_status
1532 */
1533 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1534 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1535 sp->name);
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08001536 sp->done(sp, res);
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001537 return;
1538 default:
1539 ql_dbg(ql_dbg_user, vha, 0x503e,
1540 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
1541 return;
1542 }
1543
1544 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1545 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1546 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1547
1548 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1549 * fc payload to the caller
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001550 */
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01001551 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001552 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1553
1554 if (comp_status != CS_COMPLETE) {
1555 if (comp_status == CS_DATA_UNDERRUN) {
1556 res = DID_OK << 16;
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01001557 bsg_reply->reply_payload_rcv_len =
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001558 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001559
Andrew Vasquez37fed3e2012-02-09 11:15:37 -08001560 ql_dbg(ql_dbg_user, vha, 0x503f,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001561 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001562 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
Chad Dupuiscfb09192011-11-18 09:03:07 -08001563 type, sp->handle, comp_status, fw_status[1], fw_status[2],
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001564 le16_to_cpu(((struct els_sts_entry_24xx *)
1565 pkt)->total_byte_count));
Christoph Hellwig82ed4db2017-01-27 09:46:29 +01001566 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) +
1567 sizeof(struct fc_bsg_reply);
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001568 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1569 }
1570 else {
Andrew Vasquez37fed3e2012-02-09 11:15:37 -08001571 ql_dbg(ql_dbg_user, vha, 0x5040,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001572 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001573 "error subcode 1=0x%x error subcode 2=0x%x.\n",
Chad Dupuiscfb09192011-11-18 09:03:07 -08001574 type, sp->handle, comp_status,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001575 le16_to_cpu(((struct els_sts_entry_24xx *)
1576 pkt)->error_subcode_1),
1577 le16_to_cpu(((struct els_sts_entry_24xx *)
1578 pkt)->error_subcode_2));
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001579 res = DID_ERROR << 16;
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01001580 bsg_reply->reply_payload_rcv_len = 0;
Christoph Hellwig82ed4db2017-01-27 09:46:29 +01001581 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) +
1582 sizeof(struct fc_bsg_reply);
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001583 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1584 }
Andrew Vasquez37fed3e2012-02-09 11:15:37 -08001585 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001586 (uint8_t *)pkt, sizeof(*pkt));
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001587 }
1588 else {
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001589 res = DID_OK << 16;
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01001590 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001591 bsg_job->reply_len = 0;
1592 }
1593
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08001594 sp->done(sp, res);
Giridhar Malavali9a069e12010-01-12 13:02:47 -08001595}
1596
1597static void
Andrew Vasquezac280b62009-08-20 11:06:05 -07001598qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1599 struct logio_entry_24xx *logio)
1600{
1601 const char func[] = "LOGIO-IOCB";
1602 const char *type;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001603 fc_port_t *fcport;
1604 srb_t *sp;
Madhuranath Iyengar49163922010-05-04 15:01:28 -07001605 struct srb_iocb *lio;
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001606 uint16_t *data;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001607 uint32_t iop[2];
1608
1609 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1610 if (!sp)
1611 return;
1612
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001613 lio = &sp->u.iocb_cmd;
1614 type = sp->name;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001615 fcport = sp->fcport;
Madhuranath Iyengar49163922010-05-04 15:01:28 -07001616 data = lio->u.logio.data;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001617
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001618 data[0] = MBS_COMMAND_ERROR;
Madhuranath Iyengar49163922010-05-04 15:01:28 -07001619 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
Andrew Vasquez5ff1d582010-05-04 15:01:26 -07001620 QLA_LOGIO_LOGIN_RETRIED : 0;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001621 if (logio->entry_status) {
Arun Easi5e19ed92012-02-09 11:15:51 -08001622 ql_log(ql_log_warn, fcport->vha, 0x5034,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001623 "Async-%s error entry - hdl=%x"
Andrew Vasquezd3fa9e72010-05-28 15:08:16 -07001624 "portid=%02x%02x%02x entry-status=%x.\n",
Chad Dupuiscfb09192011-11-18 09:03:07 -08001625 type, sp->handle, fcport->d_id.b.domain,
1626 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1627 logio->entry_status);
1628 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001629 (uint8_t *)logio, sizeof(*logio));
Andrew Vasquezac280b62009-08-20 11:06:05 -07001630
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001631 goto logio_done;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001632 }
1633
1634 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
Arun Easi5e19ed92012-02-09 11:15:51 -08001635 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001636 "Async-%s complete - hdl=%x portid=%02x%02x%02x "
1637 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1638 fcport->d_id.b.area, fcport->d_id.b.al_pa,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001639 le32_to_cpu(logio->io_parameter[0]));
Andrew Vasquezac280b62009-08-20 11:06:05 -07001640
Quinn Tranead03852017-01-19 22:28:01 -08001641 vha->hw->exch_starvation = 0;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001642 data[0] = MBS_COMMAND_COMPLETE;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001643 if (sp->type != SRB_LOGIN_CMD)
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001644 goto logio_done;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001645
1646 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1647 if (iop[0] & BIT_4) {
1648 fcport->port_type = FCT_TARGET;
1649 if (iop[0] & BIT_8)
Santosh Vernekar8474f3a2009-08-25 11:36:16 -07001650 fcport->flags |= FCF_FCP2_DEVICE;
Andrew Vasquezb0cd5792010-05-28 15:08:22 -07001651 } else if (iop[0] & BIT_5)
Andrew Vasquezac280b62009-08-20 11:06:05 -07001652 fcport->port_type = FCT_INITIATOR;
Andrew Vasquezb0cd5792010-05-28 15:08:22 -07001653
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04001654 if (iop[0] & BIT_7)
1655 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1656
Andrew Vasquezac280b62009-08-20 11:06:05 -07001657 if (logio->io_parameter[7] || logio->io_parameter[8])
1658 fcport->supported_classes |= FC_COS_CLASS2;
1659 if (logio->io_parameter[9] || logio->io_parameter[10])
1660 fcport->supported_classes |= FC_COS_CLASS3;
1661
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001662 goto logio_done;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001663 }
1664
1665 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1666 iop[1] = le32_to_cpu(logio->io_parameter[1]);
Quinn Tran726b8542017-01-19 22:28:00 -08001667 lio->u.logio.iop[0] = iop[0];
1668 lio->u.logio.iop[1] = iop[1];
Andrew Vasquezac280b62009-08-20 11:06:05 -07001669 switch (iop[0]) {
1670 case LSC_SCODE_PORTID_USED:
1671 data[0] = MBS_PORT_ID_USED;
1672 data[1] = LSW(iop[1]);
1673 break;
1674 case LSC_SCODE_NPORT_USED:
1675 data[0] = MBS_LOOP_ID_USED;
1676 break;
Quinn Tranead03852017-01-19 22:28:01 -08001677 case LSC_SCODE_NOXCB:
1678 vha->hw->exch_starvation++;
1679 if (vha->hw->exch_starvation > 5) {
1680 ql_log(ql_log_warn, vha, 0xffff,
1681 "Exchange starvation. Resetting RISC\n");
1682
1683 vha->hw->exch_starvation = 0;
1684
1685 if (IS_P3P_TYPE(vha->hw))
1686 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1687 else
1688 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1689 qla2xxx_wake_dpc(vha);
1690 }
1691 /* drop through */
Andrew Vasquezac280b62009-08-20 11:06:05 -07001692 default:
1693 data[0] = MBS_COMMAND_ERROR;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001694 break;
1695 }
1696
Arun Easi5e19ed92012-02-09 11:15:51 -08001697 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001698 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x "
1699 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain,
Andrew Vasquezd3fa9e72010-05-28 15:08:16 -07001700 fcport->d_id.b.area, fcport->d_id.b.al_pa,
Andrew Vasquezac280b62009-08-20 11:06:05 -07001701 le16_to_cpu(logio->comp_status),
1702 le32_to_cpu(logio->io_parameter[0]),
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001703 le32_to_cpu(logio->io_parameter[1]));
Andrew Vasquezac280b62009-08-20 11:06:05 -07001704
Andrew Vasquez99b0bec2010-05-04 15:01:25 -07001705logio_done:
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08001706 sp->done(sp, 0);
Andrew Vasquezac280b62009-08-20 11:06:05 -07001707}
1708
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001709static void
Armen Baloyanfaef62d2014-02-26 04:15:17 -05001710qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001711{
1712 const char func[] = "TMF-IOCB";
1713 const char *type;
1714 fc_port_t *fcport;
1715 srb_t *sp;
1716 struct srb_iocb *iocb;
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001717 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001718
1719 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1720 if (!sp)
1721 return;
1722
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001723 iocb = &sp->u.iocb_cmd;
1724 type = sp->name;
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001725 fcport = sp->fcport;
Armen Baloyanfaef62d2014-02-26 04:15:17 -05001726 iocb->u.tmf.data = QLA_SUCCESS;
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001727
1728 if (sts->entry_status) {
Arun Easi5e19ed92012-02-09 11:15:51 -08001729 ql_log(ql_log_warn, fcport->vha, 0x5038,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001730 "Async-%s error - hdl=%x entry-status(%x).\n",
1731 type, sp->handle, sts->entry_status);
Armen Baloyanfaef62d2014-02-26 04:15:17 -05001732 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
Bart Van Asschead950362015-07-09 07:24:08 -07001733 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
Arun Easi5e19ed92012-02-09 11:15:51 -08001734 ql_log(ql_log_warn, fcport->vha, 0x5039,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001735 "Async-%s error - hdl=%x completion status(%x).\n",
1736 type, sp->handle, sts->comp_status);
Armen Baloyanfaef62d2014-02-26 04:15:17 -05001737 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1738 } else if ((le16_to_cpu(sts->scsi_status) &
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001739 SS_RESPONSE_INFO_LEN_VALID)) {
Armen Baloyanfaef62d2014-02-26 04:15:17 -05001740 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1741 ql_log(ql_log_warn, fcport->vha, 0x503b,
1742 "Async-%s error - hdl=%x not enough response(%d).\n",
1743 type, sp->handle, sts->rsp_data_len);
1744 } else if (sts->data[3]) {
1745 ql_log(ql_log_warn, fcport->vha, 0x503c,
1746 "Async-%s error - hdl=%x response(%x).\n",
1747 type, sp->handle, sts->data[3]);
Bart Van Assche8d2b21d2015-06-04 15:58:09 -07001748 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
Armen Baloyanfaef62d2014-02-26 04:15:17 -05001749 }
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001750 }
1751
Armen Baloyanfaef62d2014-02-26 04:15:17 -05001752 if (iocb->u.tmf.data != QLA_SUCCESS)
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001753 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1754 (uint8_t *)sts, sizeof(*sts));
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001755
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08001756 sp->done(sp, 0);
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001757}
1758
Linus Torvalds1da177e2005-04-16 15:20:36 -07001759/**
1760 * qla2x00_process_response_queue() - Process response queue entries.
1761 * @ha: SCSI driver HA context
1762 */
1763void
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001764qla2x00_process_response_queue(struct rsp_que *rsp)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001765{
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001766 struct scsi_qla_host *vha;
1767 struct qla_hw_data *ha = rsp->hw;
Andrew Vasquez3d716442005-07-06 10:30:26 -07001768 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001769 sts_entry_t *pkt;
1770 uint16_t handle_cnt;
1771 uint16_t cnt;
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001772
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07001773 vha = pci_get_drvdata(ha->pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001774
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001775 if (!vha->flags.online)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001776 return;
1777
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001778 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1779 pkt = (sts_entry_t *)rsp->ring_ptr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001780
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001781 rsp->ring_index++;
1782 if (rsp->ring_index == rsp->length) {
1783 rsp->ring_index = 0;
1784 rsp->ring_ptr = rsp->ring;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001785 } else {
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001786 rsp->ring_ptr++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001787 }
1788
1789 if (pkt->entry_status != 0) {
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001790 qla2x00_error_entry(vha, rsp, pkt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001791 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1792 wmb();
1793 continue;
1794 }
1795
1796 switch (pkt->entry_type) {
1797 case STATUS_TYPE:
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001798 qla2x00_status_entry(vha, rsp, pkt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001799 break;
1800 case STATUS_TYPE_21:
1801 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1802 for (cnt = 0; cnt < handle_cnt; cnt++) {
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001803 qla2x00_process_completed_request(vha, rsp->req,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001804 ((sts21_entry_t *)pkt)->handle[cnt]);
1805 }
1806 break;
1807 case STATUS_TYPE_22:
1808 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1809 for (cnt = 0; cnt < handle_cnt; cnt++) {
Anirban Chakraborty73208df2008-12-09 16:45:39 -08001810 qla2x00_process_completed_request(vha, rsp->req,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001811 ((sts22_entry_t *)pkt)->handle[cnt]);
1812 }
1813 break;
1814 case STATUS_CONT_TYPE:
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07001815 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001816 break;
Andrew Vasquezac280b62009-08-20 11:06:05 -07001817 case MBX_IOCB_TYPE:
1818 qla2x00_mbx_iocb_entry(vha, rsp->req,
1819 (struct mbx_entry *)pkt);
Madhuranath Iyengar38222632010-05-04 15:01:29 -07001820 break;
Harish Zunjarrao9bc4f4f2010-07-23 15:28:32 +05001821 case CT_IOCB_TYPE:
1822 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1823 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001824 default:
1825 /* Type Not Supported. */
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001826 ql_log(ql_log_warn, vha, 0x504a,
1827 "Received unknown response pkt type %x "
Linus Torvalds1da177e2005-04-16 15:20:36 -07001828 "entry status=%x.\n",
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001829 pkt->entry_type, pkt->entry_status);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001830 break;
1831 }
1832 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1833 wmb();
1834 }
1835
1836 /* Adjust ring index */
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08001837 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001838}
1839
Andrew Vasquez4733fcb2008-01-17 09:02:07 -08001840static inline void
Andrew Vasquez55442132010-07-23 15:28:27 +05001841qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001842 uint32_t sense_len, struct rsp_que *rsp, int res)
Andrew Vasquez4733fcb2008-01-17 09:02:07 -08001843{
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08001844 struct scsi_qla_host *vha = sp->vha;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001845 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1846 uint32_t track_sense_len;
Andrew Vasquez4733fcb2008-01-17 09:02:07 -08001847
1848 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1849 sense_len = SCSI_SENSE_BUFFERSIZE;
1850
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001851 SET_CMD_SENSE_LEN(sp, sense_len);
1852 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1853 track_sense_len = sense_len;
1854
1855 if (sense_len > par_sense_len)
Andrew Vasquez55442132010-07-23 15:28:27 +05001856 sense_len = par_sense_len;
Andrew Vasquez4733fcb2008-01-17 09:02:07 -08001857
1858 memcpy(cp->sense_buffer, sense_data, sense_len);
1859
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001860 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1861 track_sense_len -= sense_len;
1862 SET_CMD_SENSE_LEN(sp, track_sense_len);
1863
1864 if (track_sense_len != 0) {
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07001865 rsp->status_srb = sp;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001866 cp->result = res;
1867 }
Andrew Vasquez4733fcb2008-01-17 09:02:07 -08001868
Chad Dupuiscfb09192011-11-18 09:03:07 -08001869 if (sense_len) {
1870 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
Hannes Reinecke9cb78c12014-06-25 15:27:36 +02001871 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08001872 sp->vha->host_no, cp->device->id, cp->device->lun,
Chad Dupuiscfb09192011-11-18 09:03:07 -08001873 cp);
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001874 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1875 cp->sense_buffer, sense_len);
Chad Dupuiscfb09192011-11-18 09:03:07 -08001876 }
Andrew Vasquez4733fcb2008-01-17 09:02:07 -08001877}
1878
Arun Easibad75002010-05-04 15:01:30 -07001879struct scsi_dif_tuple {
1880 __be16 guard; /* Checksum */
Masanari Iidad6a03582012-08-22 14:20:58 -04001881 __be16 app_tag; /* APPL identifier */
Arun Easibad75002010-05-04 15:01:30 -07001882 __be32 ref_tag; /* Target LBA or indirect LBA */
1883};
1884
1885/*
1886 * Checks the guard or meta-data for the type of error
1887 * detected by the HBA. In case of errors, we set the
1888 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1889 * to indicate to the kernel that the HBA detected error.
1890 */
Arun Easi8cb20492011-08-16 11:29:22 -07001891static inline int
Arun Easibad75002010-05-04 15:01:30 -07001892qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
1893{
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08001894 struct scsi_qla_host *vha = sp->vha;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08001895 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
Arun Easi8cb20492011-08-16 11:29:22 -07001896 uint8_t *ap = &sts24->data[12];
1897 uint8_t *ep = &sts24->data[20];
Arun Easibad75002010-05-04 15:01:30 -07001898 uint32_t e_ref_tag, a_ref_tag;
1899 uint16_t e_app_tag, a_app_tag;
1900 uint16_t e_guard, a_guard;
1901
Arun Easi8cb20492011-08-16 11:29:22 -07001902 /*
1903 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
1904 * would make guard field appear at offset 2
1905 */
1906 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
1907 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
1908 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
1909 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
1910 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
1911 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
Arun Easibad75002010-05-04 15:01:30 -07001912
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001913 ql_dbg(ql_dbg_io, vha, 0x3023,
1914 "iocb(s) %p Returned STATUS.\n", sts24);
Arun Easibad75002010-05-04 15:01:30 -07001915
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001916 ql_dbg(ql_dbg_io, vha, 0x3024,
1917 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
Arun Easibad75002010-05-04 15:01:30 -07001918 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001919 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
Arun Easibad75002010-05-04 15:01:30 -07001920 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07001921 a_app_tag, e_app_tag, a_guard, e_guard);
Arun Easibad75002010-05-04 15:01:30 -07001922
Arun Easi8cb20492011-08-16 11:29:22 -07001923 /*
1924 * Ignore sector if:
1925 * For type 3: ref & app tag is all 'f's
1926 * For type 0,1,2: app tag is all 'f's
1927 */
1928 if ((a_app_tag == 0xffff) &&
1929 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
1930 (a_ref_tag == 0xffffffff))) {
1931 uint32_t blocks_done, resid;
1932 sector_t lba_s = scsi_get_lba(cmd);
1933
1934 /* 2TB boundary case covered automatically with this */
1935 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
1936
1937 resid = scsi_bufflen(cmd) - (blocks_done *
1938 cmd->device->sector_size);
1939
1940 scsi_set_resid(cmd, resid);
1941 cmd->result = DID_OK << 16;
1942
1943 /* Update protection tag */
1944 if (scsi_prot_sg_count(cmd)) {
1945 uint32_t i, j = 0, k = 0, num_ent;
1946 struct scatterlist *sg;
Christoph Hellwig27c0e832016-09-11 19:35:40 +02001947 struct t10_pi_tuple *spt;
Arun Easi8cb20492011-08-16 11:29:22 -07001948
1949 /* Patch the corresponding protection tags */
1950 scsi_for_each_prot_sg(cmd, sg,
1951 scsi_prot_sg_count(cmd), i) {
1952 num_ent = sg_dma_len(sg) / 8;
1953 if (k + num_ent < blocks_done) {
1954 k += num_ent;
1955 continue;
1956 }
1957 j = blocks_done - k - 1;
1958 k = blocks_done;
1959 break;
1960 }
1961
1962 if (k != blocks_done) {
Chad Dupuiscfb09192011-11-18 09:03:07 -08001963 ql_log(ql_log_warn, vha, 0x302f,
Randy Dunlap8ec9c7f2011-09-23 15:40:50 -07001964 "unexpected tag values tag:lba=%x:%llx)\n",
1965 e_ref_tag, (unsigned long long)lba_s);
Arun Easi8cb20492011-08-16 11:29:22 -07001966 return 1;
1967 }
1968
1969 spt = page_address(sg_page(sg)) + sg->offset;
1970 spt += j;
1971
1972 spt->app_tag = 0xffff;
1973 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
1974 spt->ref_tag = 0xffffffff;
1975 }
1976
1977 return 0;
1978 }
1979
Arun Easibad75002010-05-04 15:01:30 -07001980 /* check guard */
1981 if (e_guard != a_guard) {
1982 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1983 0x10, 0x1);
1984 set_driver_byte(cmd, DRIVER_SENSE);
1985 set_host_byte(cmd, DID_ABORT);
1986 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
Arun Easi8cb20492011-08-16 11:29:22 -07001987 return 1;
Arun Easibad75002010-05-04 15:01:30 -07001988 }
1989
Arun Easie02587d2011-08-16 11:29:23 -07001990 /* check ref tag */
1991 if (e_ref_tag != a_ref_tag) {
1992 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1993 0x10, 0x3);
1994 set_driver_byte(cmd, DRIVER_SENSE);
1995 set_host_byte(cmd, DID_ABORT);
1996 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
1997 return 1;
1998 }
1999
Arun Easibad75002010-05-04 15:01:30 -07002000 /* check appl tag */
2001 if (e_app_tag != a_app_tag) {
2002 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2003 0x10, 0x2);
2004 set_driver_byte(cmd, DRIVER_SENSE);
2005 set_host_byte(cmd, DID_ABORT);
2006 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
Arun Easi8cb20492011-08-16 11:29:22 -07002007 return 1;
Arun Easibad75002010-05-04 15:01:30 -07002008 }
2009
Arun Easi8cb20492011-08-16 11:29:22 -07002010 return 1;
Arun Easibad75002010-05-04 15:01:30 -07002011}
2012
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002013static void
2014qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2015 struct req_que *req, uint32_t index)
2016{
2017 struct qla_hw_data *ha = vha->hw;
2018 srb_t *sp;
2019 uint16_t comp_status;
2020 uint16_t scsi_status;
2021 uint16_t thread_id;
2022 uint32_t rval = EXT_STATUS_OK;
Johannes Thumshirn75cc8cf2016-11-17 10:31:19 +01002023 struct bsg_job *bsg_job = NULL;
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01002024 struct fc_bsg_request *bsg_request;
2025 struct fc_bsg_reply *bsg_reply;
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002026 sts_entry_t *sts;
2027 struct sts_entry_24xx *sts24;
2028 sts = (sts_entry_t *) pkt;
2029 sts24 = (struct sts_entry_24xx *) pkt;
2030
2031 /* Validate handle. */
Chad Dupuis8d93f552013-01-30 03:34:37 -05002032 if (index >= req->num_outstanding_cmds) {
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002033 ql_log(ql_log_warn, vha, 0x70af,
2034 "Invalid SCSI completion handle 0x%x.\n", index);
2035 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2036 return;
2037 }
2038
2039 sp = req->outstanding_cmds[index];
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01002040 if (!sp) {
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002041 ql_log(ql_log_warn, vha, 0x70b0,
2042 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
2043 req->id, index);
2044
2045 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2046 return;
2047 }
2048
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01002049 /* Free outstanding command slot. */
2050 req->outstanding_cmds[index] = NULL;
2051 bsg_job = sp->u.bsg_job;
2052 bsg_request = bsg_job->request;
2053 bsg_reply = bsg_job->reply;
2054
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002055 if (IS_FWI2_CAPABLE(ha)) {
2056 comp_status = le16_to_cpu(sts24->comp_status);
2057 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2058 } else {
2059 comp_status = le16_to_cpu(sts->comp_status);
2060 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2061 }
2062
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01002063 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002064 switch (comp_status) {
2065 case CS_COMPLETE:
2066 if (scsi_status == 0) {
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01002067 bsg_reply->reply_payload_rcv_len =
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002068 bsg_job->reply_payload.payload_len;
Joe Carnucciofabbb8d2013-08-27 01:37:40 -04002069 vha->qla_stats.input_bytes +=
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01002070 bsg_reply->reply_payload_rcv_len;
Joe Carnucciofabbb8d2013-08-27 01:37:40 -04002071 vha->qla_stats.input_requests++;
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002072 rval = EXT_STATUS_OK;
2073 }
2074 goto done;
2075
2076 case CS_DATA_OVERRUN:
2077 ql_dbg(ql_dbg_user, vha, 0x70b1,
2078 "Command completed with date overrun thread_id=%d\n",
2079 thread_id);
2080 rval = EXT_STATUS_DATA_OVERRUN;
2081 break;
2082
2083 case CS_DATA_UNDERRUN:
2084 ql_dbg(ql_dbg_user, vha, 0x70b2,
2085 "Command completed with date underrun thread_id=%d\n",
2086 thread_id);
2087 rval = EXT_STATUS_DATA_UNDERRUN;
2088 break;
2089 case CS_BIDIR_RD_OVERRUN:
2090 ql_dbg(ql_dbg_user, vha, 0x70b3,
2091 "Command completed with read data overrun thread_id=%d\n",
2092 thread_id);
2093 rval = EXT_STATUS_DATA_OVERRUN;
2094 break;
2095
2096 case CS_BIDIR_RD_WR_OVERRUN:
2097 ql_dbg(ql_dbg_user, vha, 0x70b4,
2098 "Command completed with read and write data overrun "
2099 "thread_id=%d\n", thread_id);
2100 rval = EXT_STATUS_DATA_OVERRUN;
2101 break;
2102
2103 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
2104 ql_dbg(ql_dbg_user, vha, 0x70b5,
2105 "Command completed with read data over and write data "
2106 "underrun thread_id=%d\n", thread_id);
2107 rval = EXT_STATUS_DATA_OVERRUN;
2108 break;
2109
2110 case CS_BIDIR_RD_UNDERRUN:
2111 ql_dbg(ql_dbg_user, vha, 0x70b6,
2112 "Command completed with read data data underrun "
2113 "thread_id=%d\n", thread_id);
2114 rval = EXT_STATUS_DATA_UNDERRUN;
2115 break;
2116
2117 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2118 ql_dbg(ql_dbg_user, vha, 0x70b7,
2119 "Command completed with read data under and write data "
2120 "overrun thread_id=%d\n", thread_id);
2121 rval = EXT_STATUS_DATA_UNDERRUN;
2122 break;
2123
2124 case CS_BIDIR_RD_WR_UNDERRUN:
2125 ql_dbg(ql_dbg_user, vha, 0x70b8,
2126 "Command completed with read and write data underrun "
2127 "thread_id=%d\n", thread_id);
2128 rval = EXT_STATUS_DATA_UNDERRUN;
2129 break;
2130
2131 case CS_BIDIR_DMA:
2132 ql_dbg(ql_dbg_user, vha, 0x70b9,
2133 "Command completed with data DMA error thread_id=%d\n",
2134 thread_id);
2135 rval = EXT_STATUS_DMA_ERR;
2136 break;
2137
2138 case CS_TIMEOUT:
2139 ql_dbg(ql_dbg_user, vha, 0x70ba,
2140 "Command completed with timeout thread_id=%d\n",
2141 thread_id);
2142 rval = EXT_STATUS_TIMEOUT;
2143 break;
2144 default:
2145 ql_dbg(ql_dbg_user, vha, 0x70bb,
2146 "Command completed with completion status=0x%x "
2147 "thread_id=%d\n", comp_status, thread_id);
2148 rval = EXT_STATUS_ERR;
2149 break;
2150 }
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01002151 bsg_reply->reply_payload_rcv_len = 0;
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002152
2153done:
2154 /* Return the vendor specific reply to API */
Johannes Thumshirn01e0e152016-11-17 10:31:12 +01002155 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002156 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2157 /* Always return DID_OK, bsg will send the vendor specific response
2158 * in this case only */
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08002159 sp->done(sp, DID_OK << 6);
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002160
2161}
2162
Linus Torvalds1da177e2005-04-16 15:20:36 -07002163/**
2164 * qla2x00_status_entry() - Process a Status IOCB entry.
2165 * @ha: SCSI driver HA context
2166 * @pkt: Entry pointer
2167 */
2168static void
Anirban Chakraborty73208df2008-12-09 16:45:39 -08002169qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002170{
Linus Torvalds1da177e2005-04-16 15:20:36 -07002171 srb_t *sp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002172 fc_port_t *fcport;
2173 struct scsi_cmnd *cp;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002174 sts_entry_t *sts;
2175 struct sts_entry_24xx *sts24;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002176 uint16_t comp_status;
2177 uint16_t scsi_status;
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002178 uint16_t ox_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002179 uint8_t lscsi_status;
2180 int32_t resid;
Andrew Vasquez55442132010-07-23 15:28:27 +05002181 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2182 fw_resid_len;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002183 uint8_t *rsp_info, *sense_data;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002184 struct qla_hw_data *ha = vha->hw;
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002185 uint32_t handle;
2186 uint16_t que;
2187 struct req_que *req;
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002188 int logit = 1;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002189 int res = 0;
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002190 uint16_t state_flags = 0;
Chad Dupuise05fe292014-09-25 05:16:59 -04002191 uint16_t retry_delay = 0;
Quinn Tran726b8542017-01-19 22:28:00 -08002192 uint8_t no_logout = 0;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002193
2194 sts = (sts_entry_t *) pkt;
2195 sts24 = (struct sts_entry_24xx *) pkt;
Andrew Vasqueze4289242007-07-19 15:05:56 -07002196 if (IS_FWI2_CAPABLE(ha)) {
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002197 comp_status = le16_to_cpu(sts24->comp_status);
2198 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002199 state_flags = le16_to_cpu(sts24->state_flags);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002200 } else {
2201 comp_status = le16_to_cpu(sts->comp_status);
2202 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2203 }
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002204 handle = (uint32_t) LSW(sts->handle);
2205 que = MSW(sts->handle);
2206 req = ha->req_q_map[que];
Giridhar Malavalia9083012010-04-12 17:59:55 -07002207
Chad Dupuis36008cf2013-10-03 03:21:13 -04002208 /* Check for invalid queue pointer */
2209 if (req == NULL ||
2210 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2211 ql_dbg(ql_dbg_io, vha, 0x3059,
2212 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2213 "que=%u.\n", sts->handle, req, que);
2214 return;
2215 }
2216
Linus Torvalds1da177e2005-04-16 15:20:36 -07002217 /* Validate handle. */
Chad Dupuisc7bc4ca2015-08-04 13:37:57 -04002218 if (handle < req->num_outstanding_cmds) {
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002219 sp = req->outstanding_cmds[handle];
Chad Dupuisc7bc4ca2015-08-04 13:37:57 -04002220 if (!sp) {
2221 ql_dbg(ql_dbg_io, vha, 0x3075,
2222 "%s(%ld): Already returned command for status handle (0x%x).\n",
2223 __func__, vha->host_no, sts->handle);
2224 return;
2225 }
2226 } else {
Chad Dupuiscfb09192011-11-18 09:03:07 -08002227 ql_dbg(ql_dbg_io, vha, 0x3017,
Chad Dupuisc7bc4ca2015-08-04 13:37:57 -04002228 "Invalid status handle, out of range (0x%x).\n",
2229 sts->handle);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002230
Chad Dupuisacd3ce82014-04-11 16:54:07 -04002231 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2232 if (IS_P3P_TYPE(ha))
2233 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2234 else
2235 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2236 qla2xxx_wake_dpc(vha);
2237 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002238 return;
2239 }
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002240
2241 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2242 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2243 return;
2244 }
2245
Armen Baloyanfaef62d2014-02-26 04:15:17 -05002246 /* Task Management completion. */
2247 if (sp->type == SRB_TM_CMD) {
2248 qla24xx_tm_iocb_entry(vha, req, pkt);
2249 return;
2250 }
2251
Saurav Kashyapa9b6f722012-08-22 14:21:01 -04002252 /* Fast path completion. */
2253 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2254 qla2x00_process_completed_request(vha, req, handle);
2255
2256 return;
2257 }
2258
2259 req->outstanding_cmds[handle] = NULL;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002260 cp = GET_CMD_SP(sp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002261 if (cp == NULL) {
Chad Dupuiscfb09192011-11-18 09:03:07 -08002262 ql_dbg(ql_dbg_io, vha, 0x3018,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002263 "Command already returned (0x%x/%p).\n",
2264 sts->handle, sp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002265
2266 return;
2267 }
2268
Giridhar Malavali8ae6d9c2013-03-28 08:21:23 -04002269 lscsi_status = scsi_status & STATUS_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002270
bdf79622005-04-17 15:06:53 -05002271 fcport = sp->fcport;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002272
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002273 ox_id = 0;
Andrew Vasquez55442132010-07-23 15:28:27 +05002274 sense_len = par_sense_len = rsp_info_len = resid_len =
2275 fw_resid_len = 0;
Andrew Vasqueze4289242007-07-19 15:05:56 -07002276 if (IS_FWI2_CAPABLE(ha)) {
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002277 if (scsi_status & SS_SENSE_LEN_VALID)
2278 sense_len = le32_to_cpu(sts24->sense_len);
2279 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2280 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2281 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2282 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2283 if (comp_status == CS_DATA_UNDERRUN)
2284 fw_resid_len = le32_to_cpu(sts24->residual_len);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002285 rsp_info = sts24->data;
2286 sense_data = sts24->data;
2287 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002288 ox_id = le16_to_cpu(sts24->ox_id);
Andrew Vasquez55442132010-07-23 15:28:27 +05002289 par_sense_len = sizeof(sts24->data);
Chad Dupuise05fe292014-09-25 05:16:59 -04002290 /* Valid values of the retry delay timer are 0x1-0xffef */
2291 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1)
2292 retry_delay = sts24->retry_delay;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002293 } else {
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002294 if (scsi_status & SS_SENSE_LEN_VALID)
2295 sense_len = le16_to_cpu(sts->req_sense_length);
2296 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2297 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002298 resid_len = le32_to_cpu(sts->residual_length);
2299 rsp_info = sts->rsp_info;
2300 sense_data = sts->req_sense_data;
Andrew Vasquez55442132010-07-23 15:28:27 +05002301 par_sense_len = sizeof(sts->req_sense_data);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002302 }
2303
Linus Torvalds1da177e2005-04-16 15:20:36 -07002304 /* Check for any FCP transport errors. */
2305 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002306 /* Sense data lies beyond any FCP RESPONSE data. */
Andrew Vasquez55442132010-07-23 15:28:27 +05002307 if (IS_FWI2_CAPABLE(ha)) {
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002308 sense_data += rsp_info_len;
Andrew Vasquez55442132010-07-23 15:28:27 +05002309 par_sense_len -= rsp_info_len;
2310 }
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002311 if (rsp_info_len > 3 && rsp_info[3]) {
Arun Easi5e19ed92012-02-09 11:15:51 -08002312 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002313 "FCP I/O protocol failure (0x%x/0x%x).\n",
2314 rsp_info_len, rsp_info[3]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002315
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002316 res = DID_BUS_BUSY << 16;
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002317 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002318 }
2319 }
2320
Andrew Vasquez3e8ce322008-02-28 14:06:10 -08002321 /* Check for overrun. */
2322 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2323 scsi_status & SS_RESIDUAL_OVER)
2324 comp_status = CS_DATA_OVERRUN;
2325
Linus Torvalds1da177e2005-04-16 15:20:36 -07002326 /*
Chad Dupuise05fe292014-09-25 05:16:59 -04002327 * Check retry_delay_timer value if we receive a busy or
2328 * queue full.
2329 */
2330 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2331 lscsi_status == SAM_STAT_BUSY)
2332 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2333
2334 /*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002335 * Based on Host and scsi status generate status code for Linux
2336 */
2337 switch (comp_status) {
2338 case CS_COMPLETE:
Andrew Vasquezdf7baa52006-10-13 09:33:39 -07002339 case CS_QUEUE_FULL:
Linus Torvalds1da177e2005-04-16 15:20:36 -07002340 if (scsi_status == 0) {
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002341 res = DID_OK << 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002342 break;
2343 }
2344 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002345 resid = resid_len;
FUJITA Tomonori385d70b2007-05-26 01:55:38 +09002346 scsi_set_resid(cp, resid);
Andrew Vasquez0da69df2005-12-06 10:58:06 -08002347
2348 if (!lscsi_status &&
FUJITA Tomonori385d70b2007-05-26 01:55:38 +09002349 ((unsigned)(scsi_bufflen(cp) - resid) <
Andrew Vasquez0da69df2005-12-06 10:58:06 -08002350 cp->underflow)) {
Arun Easi5e19ed92012-02-09 11:15:51 -08002351 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002352 "Mid-layer underflow "
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002353 "detected (0x%x of 0x%x bytes).\n",
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002354 resid, scsi_bufflen(cp));
Andrew Vasquez0da69df2005-12-06 10:58:06 -08002355
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002356 res = DID_ERROR << 16;
Andrew Vasquez0da69df2005-12-06 10:58:06 -08002357 break;
2358 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002359 }
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002360 res = DID_OK << 16 | lscsi_status;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002361
Andrew Vasquezdf7baa52006-10-13 09:33:39 -07002362 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
Arun Easi5e19ed92012-02-09 11:15:51 -08002363 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002364 "QUEUE FULL detected.\n");
Andrew Vasquezdf7baa52006-10-13 09:33:39 -07002365 break;
2366 }
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002367 logit = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002368 if (lscsi_status != SS_CHECK_CONDITION)
2369 break;
2370
FUJITA Tomonorib80ca4f2008-01-13 15:46:13 +09002371 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002372 if (!(scsi_status & SS_SENSE_LEN_VALID))
2373 break;
2374
Andrew Vasquez55442132010-07-23 15:28:27 +05002375 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002376 rsp, res);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002377 break;
2378
2379 case CS_DATA_UNDERRUN:
Ravi Ananded17c71b52006-05-17 15:08:55 -07002380 /* Use F/W calculated residual length. */
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002381 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2382 scsi_set_resid(cp, resid);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002383 if (scsi_status & SS_RESIDUAL_UNDER) {
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002384 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
Arun Easi5e19ed92012-02-09 11:15:51 -08002385 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002386 "Dropped frame(s) detected "
2387 "(0x%x of 0x%x bytes).\n",
2388 resid, scsi_bufflen(cp));
andrew.vasquez@qlogic.come038a1b2006-01-13 17:04:59 -08002389
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002390 res = DID_ERROR << 16 | lscsi_status;
Arun Easi4e85e3d2011-11-18 09:02:10 -08002391 goto check_scsi_status;
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002392 }
2393
2394 if (!lscsi_status &&
2395 ((unsigned)(scsi_bufflen(cp) - resid) <
2396 cp->underflow)) {
Arun Easi5e19ed92012-02-09 11:15:51 -08002397 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002398 "Mid-layer underflow "
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002399 "detected (0x%x of 0x%x bytes).\n",
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002400 resid, scsi_bufflen(cp));
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002401
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002402 res = DID_ERROR << 16;
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002403 break;
2404 }
Giridhar Malavali4aee5762012-04-25 07:26:15 -07002405 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2406 lscsi_status != SAM_STAT_BUSY) {
2407 /*
2408 * scsi status of task set and busy are considered to be
2409 * task not completed.
2410 */
2411
Arun Easi5e19ed92012-02-09 11:15:51 -08002412 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002413 "Dropped frame(s) detected (0x%x "
Giridhar Malavali4aee5762012-04-25 07:26:15 -07002414 "of 0x%x bytes).\n", resid,
2415 scsi_bufflen(cp));
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002416
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002417 res = DID_ERROR << 16 | lscsi_status;
Lalit Chandivade0374f552010-09-03 14:57:04 -07002418 goto check_scsi_status;
Giridhar Malavali4aee5762012-04-25 07:26:15 -07002419 } else {
2420 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2421 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2422 scsi_status, lscsi_status);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002423 }
2424
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002425 res = DID_OK << 16 | lscsi_status;
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002426 logit = 0;
Lalit Chandivade0f00a202009-10-13 15:16:52 -07002427
Lalit Chandivade0374f552010-09-03 14:57:04 -07002428check_scsi_status:
Linus Torvalds1da177e2005-04-16 15:20:36 -07002429 /*
Andrew Vasquezfa2a1ce2005-07-06 10:32:07 -07002430 * Check to see if SCSI Status is non zero. If so report SCSI
Linus Torvalds1da177e2005-04-16 15:20:36 -07002431 * Status.
2432 */
2433 if (lscsi_status != 0) {
Andrew Vasquezffec28a2007-01-29 10:22:27 -08002434 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
Arun Easi5e19ed92012-02-09 11:15:51 -08002435 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002436 "QUEUE FULL detected.\n");
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002437 logit = 1;
Andrew Vasquezffec28a2007-01-29 10:22:27 -08002438 break;
2439 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002440 if (lscsi_status != SS_CHECK_CONDITION)
2441 break;
2442
FUJITA Tomonorib80ca4f2008-01-13 15:46:13 +09002443 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002444 if (!(scsi_status & SS_SENSE_LEN_VALID))
2445 break;
2446
Andrew Vasquez55442132010-07-23 15:28:27 +05002447 qla2x00_handle_sense(sp, sense_data, par_sense_len,
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002448 sense_len, rsp, res);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002449 }
2450 break;
2451
Linus Torvalds1da177e2005-04-16 15:20:36 -07002452 case CS_PORT_LOGGED_OUT:
Quinn Tran726b8542017-01-19 22:28:00 -08002453 no_logout = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002454 case CS_PORT_CONFIG_CHG:
2455 case CS_PORT_BUSY:
2456 case CS_INCOMPLETE:
2457 case CS_PORT_UNAVAILABLE:
Linus Torvalds1da177e2005-04-16 15:20:36 -07002458 case CS_TIMEOUT:
Chad Dupuisff454b02010-10-15 11:27:42 -07002459 case CS_RESET:
2460
Mike Christie056a4482008-08-19 18:45:29 -05002461 /*
2462 * We are going to have the fc class block the rport
2463 * while we try to recover so instruct the mid layer
2464 * to requeue until the class decides how to handle this.
2465 */
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002466 res = DID_TRANSPORT_DISRUPTED << 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002467
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002468 if (comp_status == CS_TIMEOUT) {
2469 if (IS_FWI2_CAPABLE(ha))
2470 break;
2471 else if ((le16_to_cpu(sts->status_flags) &
2472 SF_LOGOUT_SENT) == 0)
2473 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002474 }
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002475
Quinn Tran726b8542017-01-19 22:28:00 -08002476 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2477 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2478 "Port to be marked lost on fcport=%02x%02x%02x, current "
2479 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
2480 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2481 port_state_str[atomic_read(&fcport->state)],
2482 comp_status);
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002483
Quinn Tran726b8542017-01-19 22:28:00 -08002484 if (no_logout)
2485 fcport->logout_on_delete = 0;
2486
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002487 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
Quinn Tran726b8542017-01-19 22:28:00 -08002488 qlt_schedule_sess_for_deletion_lock(fcport);
2489 }
2490
Linus Torvalds1da177e2005-04-16 15:20:36 -07002491 break;
2492
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002493 case CS_ABORTED:
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002494 res = DID_RESET << 16;
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002495 break;
Arun Easibad75002010-05-04 15:01:30 -07002496
2497 case CS_DIF_ERROR:
Arun Easi8cb20492011-08-16 11:29:22 -07002498 logit = qla2x00_handle_dif_error(sp, sts24);
Arun Easifb6e4662012-08-22 14:21:32 -04002499 res = cp->result;
Arun Easibad75002010-05-04 15:01:30 -07002500 break;
Arun Easi9e522cd2012-08-22 14:21:31 -04002501
2502 case CS_TRANSPORT:
2503 res = DID_ERROR << 16;
2504
2505 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2506 break;
2507
2508 if (state_flags & BIT_4)
2509 scmd_printk(KERN_WARNING, cp,
2510 "Unsupported device '%s' found.\n",
2511 cp->device->vendor);
2512 break;
2513
Linus Torvalds1da177e2005-04-16 15:20:36 -07002514 default:
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002515 res = DID_ERROR << 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002516 break;
2517 }
2518
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002519out:
2520 if (logit)
Arun Easi5e19ed92012-02-09 11:15:51 -08002521 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
Hannes Reinecke9cb78c12014-06-25 15:27:36 +02002522 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
Oleksandr Khoshaba7b833552013-08-27 01:37:27 -04002523 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
Chad Dupuisc7bc4ca2015-08-04 13:37:57 -04002524 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002525 comp_status, scsi_status, res, vha->host_no,
Chad Dupuiscfb09192011-11-18 09:03:07 -08002526 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2527 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
Oleksandr Khoshaba7b833552013-08-27 01:37:27 -04002528 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
Chad Dupuisc7bc4ca2015-08-04 13:37:57 -04002529 resid_len, fw_resid_len, sp, cp);
Andrew Vasquezb7d22802010-05-04 15:01:27 -07002530
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002531 if (rsp->status_srb == NULL)
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08002532 sp->done(sp, res);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002533}
2534
2535/**
2536 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2537 * @ha: SCSI driver HA context
2538 * @pkt: Entry pointer
2539 *
2540 * Extended sense data.
2541 */
2542static void
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002543qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002544{
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002545 uint8_t sense_sz = 0;
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002546 struct qla_hw_data *ha = rsp->hw;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002547 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002548 srb_t *sp = rsp->status_srb;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002549 struct scsi_cmnd *cp;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002550 uint32_t sense_len;
2551 uint8_t *sense_ptr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002552
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002553 if (!sp || !GET_CMD_SENSE_LEN(sp))
2554 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002555
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002556 sense_len = GET_CMD_SENSE_LEN(sp);
2557 sense_ptr = GET_CMD_SENSE_PTR(sp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002558
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002559 cp = GET_CMD_SP(sp);
2560 if (cp == NULL) {
2561 ql_log(ql_log_warn, vha, 0x3025,
2562 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002563
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002564 rsp->status_srb = NULL;
2565 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002566 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002567
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002568 if (sense_len > sizeof(pkt->data))
2569 sense_sz = sizeof(pkt->data);
2570 else
2571 sense_sz = sense_len;
Giridhar Malavalic4631192011-11-18 09:03:08 -08002572
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002573 /* Move sense data. */
2574 if (IS_FWI2_CAPABLE(ha))
2575 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2576 memcpy(sense_ptr, pkt->data, sense_sz);
2577 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2578 sense_ptr, sense_sz);
Giridhar Malavalic4631192011-11-18 09:03:08 -08002579
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002580 sense_len -= sense_sz;
2581 sense_ptr += sense_sz;
Giridhar Malavalic4631192011-11-18 09:03:08 -08002582
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002583 SET_CMD_SENSE_PTR(sp, sense_ptr);
2584 SET_CMD_SENSE_LEN(sp, sense_len);
Giridhar Malavalic4631192011-11-18 09:03:08 -08002585
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002586 /* Place command on done queue. */
2587 if (sense_len == 0) {
2588 rsp->status_srb = NULL;
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08002589 sp->done(sp, cp->result);
Giridhar Malavalic4631192011-11-18 09:03:08 -08002590 }
Giridhar Malavalic4631192011-11-18 09:03:08 -08002591}
2592
Linus Torvalds1da177e2005-04-16 15:20:36 -07002593/**
2594 * qla2x00_error_entry() - Process an error entry.
2595 * @ha: SCSI driver HA context
2596 * @pkt: Entry pointer
2597 */
2598static void
Anirban Chakraborty73208df2008-12-09 16:45:39 -08002599qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002600{
2601 srb_t *sp;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002602 struct qla_hw_data *ha = vha->hw;
Giridhar Malavalic4631192011-11-18 09:03:08 -08002603 const char func[] = "ERROR-IOCB";
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002604 uint16_t que = MSW(pkt->handle);
Arun Easia6fe35c2012-02-09 11:16:01 -08002605 struct req_que *req = NULL;
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002606 int res = DID_ERROR << 16;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002607
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002608 ql_dbg(ql_dbg_async, vha, 0x502a,
2609 "type of error status in response: 0x%x\n", pkt->entry_status);
2610
Arun Easia6fe35c2012-02-09 11:16:01 -08002611 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2612 goto fatal;
2613
2614 req = ha->req_q_map[que];
2615
Giridhar Malavali9ba56b92012-02-09 11:15:36 -08002616 if (pkt->entry_status & RF_BUSY)
2617 res = DID_BUS_BUSY << 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002618
Quinn Tran4f060732016-12-23 18:06:13 -08002619 if (pkt->entry_type == NOTIFY_ACK_TYPE &&
2620 pkt->handle == QLA_TGT_SKIP_HANDLE)
2621 return;
2622
Giridhar Malavalic4631192011-11-18 09:03:08 -08002623 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
Arun Easia6fe35c2012-02-09 11:16:01 -08002624 if (sp) {
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08002625 sp->done(sp, res);
Arun Easia6fe35c2012-02-09 11:16:01 -08002626 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002627 }
Arun Easia6fe35c2012-02-09 11:16:01 -08002628fatal:
2629 ql_log(ql_log_warn, vha, 0x5030,
Chad Dupuisfd49a542015-08-04 13:37:58 -04002630 "Error entry - invalid handle/queue (%04x).\n", que);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002631}
2632
2633/**
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002634 * qla24xx_mbx_completion() - Process mailbox command completions.
2635 * @ha: SCSI driver HA context
2636 * @mb0: Mailbox0 register
2637 */
2638static void
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002639qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002640{
2641 uint16_t cnt;
Andrew Vasquez4fa94f82011-11-18 09:03:09 -08002642 uint32_t mboxes;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002643 uint16_t __iomem *wptr;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002644 struct qla_hw_data *ha = vha->hw;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002645 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2646
Andrew Vasquez4fa94f82011-11-18 09:03:09 -08002647 /* Read all mbox registers? */
2648 mboxes = (1 << ha->mbx_count) - 1;
2649 if (!ha->mcp)
Masanari Iidaa7201012012-11-21 02:40:42 -05002650 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
Andrew Vasquez4fa94f82011-11-18 09:03:09 -08002651 else
2652 mboxes = ha->mcp->in_mb;
2653
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002654 /* Load return mailbox registers. */
2655 ha->flags.mbox_int = 1;
2656 ha->mailbox_out[0] = mb0;
Andrew Vasquez4fa94f82011-11-18 09:03:09 -08002657 mboxes >>= 1;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002658 wptr = (uint16_t __iomem *)&reg->mailbox1;
2659
2660 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
Andrew Vasquez4fa94f82011-11-18 09:03:09 -08002661 if (mboxes & BIT_0)
2662 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2663
2664 mboxes >>= 1;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002665 wptr++;
2666 }
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002667}
2668
Armen Baloyan4440e462014-02-26 04:15:18 -05002669static void
2670qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2671 struct abort_entry_24xx *pkt)
2672{
2673 const char func[] = "ABT_IOCB";
2674 srb_t *sp;
2675 struct srb_iocb *abt;
2676
2677 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2678 if (!sp)
2679 return;
2680
2681 abt = &sp->u.iocb_cmd;
2682 abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle);
Joe Carnuccio25ff6af2017-01-19 22:28:04 -08002683 sp->done(sp, 0);
Armen Baloyan4440e462014-02-26 04:15:18 -05002684}
2685
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002686/**
2687 * qla24xx_process_response_queue() - Process response queue entries.
2688 * @ha: SCSI driver HA context
2689 */
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002690void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2691 struct rsp_que *rsp)
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002692{
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002693 struct sts_entry_24xx *pkt;
Giridhar Malavalia9083012010-04-12 17:59:55 -07002694 struct qla_hw_data *ha = vha->hw;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002695
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002696 if (!vha->flags.online)
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002697 return;
2698
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002699 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2700 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002701
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002702 rsp->ring_index++;
2703 if (rsp->ring_index == rsp->length) {
2704 rsp->ring_index = 0;
2705 rsp->ring_ptr = rsp->ring;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002706 } else {
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002707 rsp->ring_ptr++;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002708 }
2709
2710 if (pkt->entry_status != 0) {
Anirban Chakraborty73208df2008-12-09 16:45:39 -08002711 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002712
Quinn Tranf83adb62014-04-11 16:54:43 -04002713 if (qlt_24xx_process_response_error(vha, pkt))
2714 goto process_err;
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002715
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002716 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2717 wmb();
2718 continue;
2719 }
Quinn Tranf83adb62014-04-11 16:54:43 -04002720process_err:
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002721
2722 switch (pkt->entry_type) {
2723 case STATUS_TYPE:
Anirban Chakraborty73208df2008-12-09 16:45:39 -08002724 qla2x00_status_entry(vha, rsp, pkt);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002725 break;
2726 case STATUS_CONT_TYPE:
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002727 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002728 break;
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002729 case VP_RPT_ID_IOCB_TYPE:
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002730 qla24xx_report_id_acquisition(vha,
Seokmann Ju2c3dfe32007-07-05 13:16:51 -07002731 (struct vp_rpt_id_entry_24xx *)pkt);
2732 break;
Andrew Vasquezac280b62009-08-20 11:06:05 -07002733 case LOGINOUT_PORT_IOCB_TYPE:
2734 qla24xx_logio_entry(vha, rsp->req,
2735 (struct logio_entry_24xx *)pkt);
2736 break;
Quinn Tranf83adb62014-04-11 16:54:43 -04002737 case CT_IOCB_TYPE:
Giridhar Malavali9a069e12010-01-12 13:02:47 -08002738 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
Giridhar Malavali9a069e12010-01-12 13:02:47 -08002739 break;
Quinn Tranf83adb62014-04-11 16:54:43 -04002740 case ELS_IOCB_TYPE:
Giridhar Malavali9a069e12010-01-12 13:02:47 -08002741 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2742 break;
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002743 case ABTS_RECV_24XX:
Quinn Tran2f424b92015-12-17 14:57:07 -05002744 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2745 /* ensure that the ATIO queue is empty */
2746 qlt_handle_abts_recv(vha, (response_t *)pkt);
2747 break;
2748 } else {
2749 /* drop through */
2750 qlt_24xx_process_atio_queue(vha, 1);
2751 }
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002752 case ABTS_RESP_24XX:
2753 case CTIO_TYPE7:
Quinn Tranf83adb62014-04-11 16:54:43 -04002754 case CTIO_CRC2:
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002755 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2756 break;
Quinn Tran726b8542017-01-19 22:28:00 -08002757 case NOTIFY_ACK_TYPE:
2758 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
2759 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2760 else
2761 qla24xxx_nack_iocb_entry(vha, rsp->req,
2762 (struct nack_to_isp *)pkt);
2763 break;
Saurav Kashyap54883292011-08-16 11:31:48 -07002764 case MARKER_TYPE:
2765 /* Do nothing in this case, this check is to prevent it
2766 * from falling into default case
2767 */
2768 break;
Armen Baloyan4440e462014-02-26 04:15:18 -05002769 case ABORT_IOCB_TYPE:
2770 qla24xx_abort_iocb_entry(vha, rsp->req,
2771 (struct abort_entry_24xx *)pkt);
2772 break;
Quinn Tran726b8542017-01-19 22:28:00 -08002773 case MBX_IOCB_TYPE:
2774 qla24xx_mbx_iocb_entry(vha, rsp->req,
2775 (struct mbx_24xx_entry *)pkt);
2776 break;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002777 default:
2778 /* Type Not Supported. */
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002779 ql_dbg(ql_dbg_async, vha, 0x5042,
2780 "Received unknown response pkt type %x "
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002781 "entry status=%x.\n",
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002782 pkt->entry_type, pkt->entry_status);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002783 break;
2784 }
2785 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2786 wmb();
2787 }
2788
2789 /* Adjust ring index */
Atul Deshmukh7ec0eff2013-08-27 01:37:28 -04002790 if (IS_P3P_TYPE(ha)) {
Giridhar Malavalia9083012010-04-12 17:59:55 -07002791 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2792 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
Quinn Tran726b8542017-01-19 22:28:00 -08002793 } else {
Giridhar Malavalia9083012010-04-12 17:59:55 -07002794 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
Quinn Tran726b8542017-01-19 22:28:00 -08002795 }
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002796}
2797
Andrew Vasquez05236a02007-09-20 14:07:37 -07002798static void
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002799qla2xxx_check_risc_status(scsi_qla_host_t *vha)
Andrew Vasquez05236a02007-09-20 14:07:37 -07002800{
2801 int rval;
2802 uint32_t cnt;
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002803 struct qla_hw_data *ha = vha->hw;
Andrew Vasquez05236a02007-09-20 14:07:37 -07002804 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2805
Chad Dupuisf73cb692014-02-26 04:15:06 -05002806 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2807 !IS_QLA27XX(ha))
Andrew Vasquez05236a02007-09-20 14:07:37 -07002808 return;
2809
2810 rval = QLA_SUCCESS;
2811 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
2812 RD_REG_DWORD(&reg->iobase_addr);
2813 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2814 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2815 rval == QLA_SUCCESS; cnt--) {
2816 if (cnt) {
2817 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2818 udelay(10);
2819 } else
2820 rval = QLA_FUNCTION_TIMEOUT;
2821 }
2822 if (rval == QLA_SUCCESS)
2823 goto next_test;
2824
Bart Van Asscheb2ec76c2013-06-25 11:27:29 -04002825 rval = QLA_SUCCESS;
Andrew Vasquez05236a02007-09-20 14:07:37 -07002826 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2827 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2828 rval == QLA_SUCCESS; cnt--) {
2829 if (cnt) {
2830 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2831 udelay(10);
2832 } else
2833 rval = QLA_FUNCTION_TIMEOUT;
2834 }
2835 if (rval != QLA_SUCCESS)
2836 goto done;
2837
2838next_test:
2839 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002840 ql_log(ql_log_info, vha, 0x504c,
2841 "Additional code -- 0x55AA.\n");
Andrew Vasquez05236a02007-09-20 14:07:37 -07002842
2843done:
2844 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
2845 RD_REG_DWORD(&reg->iobase_window);
2846}
2847
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002848/**
Giridhar Malavali6246b8a2012-02-09 11:15:34 -08002849 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002850 * @irq:
2851 * @dev_id: SCSI driver HA context
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002852 *
2853 * Called by system whenever the host adapter generates an interrupt.
2854 *
2855 * Returns handled flag.
2856 */
2857irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01002858qla24xx_intr_handler(int irq, void *dev_id)
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002859{
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002860 scsi_qla_host_t *vha;
2861 struct qla_hw_data *ha;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002862 struct device_reg_24xx __iomem *reg;
2863 int status;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002864 unsigned long iter;
2865 uint32_t stat;
2866 uint32_t hccr;
Santosh Vernekar7d613ac2012-08-22 14:21:03 -04002867 uint16_t mb[8];
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002868 struct rsp_que *rsp;
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -07002869 unsigned long flags;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002870
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002871 rsp = (struct rsp_que *) dev_id;
2872 if (!rsp) {
Chad Dupuis3256b432012-02-09 11:15:47 -08002873 ql_log(ql_log_info, NULL, 0x5059,
2874 "%s: NULL response queue pointer.\n", __func__);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002875 return IRQ_NONE;
2876 }
2877
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002878 ha = rsp->hw;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002879 reg = &ha->iobase->isp24;
2880 status = 0;
2881
Andrew Vasquez85880802009-12-15 21:29:46 -08002882 if (unlikely(pci_channel_offline(ha->pdev)))
2883 return IRQ_HANDLED;
2884
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -07002885 spin_lock_irqsave(&ha->hardware_lock, flags);
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002886 vha = pci_get_drvdata(ha->pdev);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002887 for (iter = 50; iter--; ) {
2888 stat = RD_REG_DWORD(&reg->host_status);
Joe Lawrencec821e0d2014-08-26 17:11:41 -04002889 if (qla2x00_check_reg32_for_disconnect(vha, stat))
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002890 break;
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002891 if (stat & HSRX_RISC_PAUSED) {
Andrew Vasquez85880802009-12-15 21:29:46 -08002892 if (unlikely(pci_channel_offline(ha->pdev)))
Seokmann Ju14e660e2007-09-20 14:07:36 -07002893 break;
2894
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002895 hccr = RD_REG_DWORD(&reg->hccr);
2896
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002897 ql_log(ql_log_warn, vha, 0x504b,
2898 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2899 hccr);
Andrew Vasquez05236a02007-09-20 14:07:37 -07002900
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002901 qla2xxx_check_risc_status(vha);
Andrew Vasquez05236a02007-09-20 14:07:37 -07002902
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002903 ha->isp_ops->fw_dump(vha, 1);
2904 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002905 break;
2906 } else if ((stat & HSRX_RISC_INT) == 0)
2907 break;
2908
2909 switch (stat & 0xff) {
Arun Easifafbda92012-08-22 14:21:16 -04002910 case INTR_ROM_MB_SUCCESS:
2911 case INTR_ROM_MB_FAILED:
2912 case INTR_MB_SUCCESS:
2913 case INTR_MB_FAILED:
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002914 qla24xx_mbx_completion(vha, MSW(stat));
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002915 status |= MBX_INTERRUPT;
2916
2917 break;
Arun Easifafbda92012-08-22 14:21:16 -04002918 case INTR_ASYNC_EVENT:
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002919 mb[0] = MSW(stat);
2920 mb[1] = RD_REG_WORD(&reg->mailbox1);
2921 mb[2] = RD_REG_WORD(&reg->mailbox2);
2922 mb[3] = RD_REG_WORD(&reg->mailbox3);
Anirban Chakraborty73208df2008-12-09 16:45:39 -08002923 qla2x00_async_event(vha, rsp, mb);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002924 break;
Arun Easifafbda92012-08-22 14:21:16 -04002925 case INTR_RSP_QUE_UPDATE:
2926 case INTR_RSP_QUE_UPDATE_83XX:
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002927 qla24xx_process_response_queue(vha, rsp);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002928 break;
Quinn Tran2f424b92015-12-17 14:57:07 -05002929 case INTR_ATIO_QUE_UPDATE:{
2930 unsigned long flags2;
2931 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2932 qlt_24xx_process_atio_queue(vha, 1);
2933 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002934 break;
Quinn Tran2f424b92015-12-17 14:57:07 -05002935 }
2936 case INTR_ATIO_RSP_QUE_UPDATE: {
2937 unsigned long flags2;
2938 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2939 qlt_24xx_process_atio_queue(vha, 1);
2940 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2941
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04002942 qla24xx_process_response_queue(vha, rsp);
2943 break;
Quinn Tran2f424b92015-12-17 14:57:07 -05002944 }
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002945 default:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07002946 ql_dbg(ql_dbg_async, vha, 0x504f,
2947 "Unrecognized interrupt type (%d).\n", stat * 0xff);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002948 break;
2949 }
2950 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2951 RD_REG_DWORD_RELAXED(&reg->hccr);
Giridhar Malavalicb860bb2012-08-22 14:21:30 -04002952 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
2953 ndelay(3500);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002954 }
gurinder.shergill@hp.com36439832013-04-23 10:13:17 -07002955 qla2x00_handle_mbx_completion(ha, status);
Anirban Chakraborty43fac4d2009-06-10 13:55:11 -07002956 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002957
Andrew Vasquez9a853f72005-07-06 10:31:27 -07002958 return IRQ_HANDLED;
2959}
2960
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002961static irqreturn_t
2962qla24xx_msix_rsp_q(int irq, void *dev_id)
2963{
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002964 struct qla_hw_data *ha;
2965 struct rsp_que *rsp;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002966 struct device_reg_24xx __iomem *reg;
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002967 struct scsi_qla_host *vha;
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08002968 unsigned long flags;
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002969 uint32_t stat = 0;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002970
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002971 rsp = (struct rsp_que *) dev_id;
2972 if (!rsp) {
Chad Dupuis3256b432012-02-09 11:15:47 -08002973 ql_log(ql_log_info, NULL, 0x505a,
2974 "%s: NULL response queue pointer.\n", __func__);
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08002975 return IRQ_NONE;
2976 }
2977 ha = rsp->hw;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002978 reg = &ha->iobase->isp24;
2979
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08002980 spin_lock_irqsave(&ha->hardware_lock, flags);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002981
Anirban Chakrabortya67093d2010-02-04 14:17:59 -08002982 vha = pci_get_drvdata(ha->pdev);
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002983 /*
2984 * Use host_status register to check to PCI disconnection before we
2985 * we process the response queue.
2986 */
2987 stat = RD_REG_DWORD(&reg->host_status);
Joe Lawrencec821e0d2014-08-26 17:11:41 -04002988 if (qla2x00_check_reg32_for_disconnect(vha, stat))
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002989 goto out;
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07002990 qla24xx_process_response_queue(vha, rsp);
Anirban Chakraborty31557542009-12-02 10:36:55 -08002991 if (!ha->flags.disable_msix_handshake) {
Anirban Chakrabortyeb941142009-08-04 16:12:13 -07002992 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2993 RD_REG_DWORD_RELAXED(&reg->hccr);
2994 }
Chad Dupuisf3ddac12013-10-30 03:38:16 -04002995out:
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08002996 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08002997
2998 return IRQ_HANDLED;
2999}
3000
3001static irqreturn_t
3002qla24xx_msix_default(int irq, void *dev_id)
3003{
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08003004 scsi_qla_host_t *vha;
3005 struct qla_hw_data *ha;
3006 struct rsp_que *rsp;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003007 struct device_reg_24xx __iomem *reg;
3008 int status;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003009 uint32_t stat;
3010 uint32_t hccr;
Santosh Vernekar7d613ac2012-08-22 14:21:03 -04003011 uint16_t mb[8];
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08003012 unsigned long flags;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003013
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08003014 rsp = (struct rsp_que *) dev_id;
3015 if (!rsp) {
Chad Dupuis3256b432012-02-09 11:15:47 -08003016 ql_log(ql_log_info, NULL, 0x505c,
3017 "%s: NULL response queue pointer.\n", __func__);
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08003018 return IRQ_NONE;
3019 }
3020 ha = rsp->hw;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003021 reg = &ha->iobase->isp24;
3022 status = 0;
3023
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08003024 spin_lock_irqsave(&ha->hardware_lock, flags);
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07003025 vha = pci_get_drvdata(ha->pdev);
Andrew Vasquez87f27012007-09-20 14:07:49 -07003026 do {
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003027 stat = RD_REG_DWORD(&reg->host_status);
Joe Lawrencec821e0d2014-08-26 17:11:41 -04003028 if (qla2x00_check_reg32_for_disconnect(vha, stat))
Chad Dupuisf3ddac12013-10-30 03:38:16 -04003029 break;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003030 if (stat & HSRX_RISC_PAUSED) {
Andrew Vasquez85880802009-12-15 21:29:46 -08003031 if (unlikely(pci_channel_offline(ha->pdev)))
Seokmann Ju14e660e2007-09-20 14:07:36 -07003032 break;
3033
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003034 hccr = RD_REG_DWORD(&reg->hccr);
3035
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003036 ql_log(ql_log_info, vha, 0x5050,
3037 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3038 hccr);
Andrew Vasquez05236a02007-09-20 14:07:37 -07003039
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08003040 qla2xxx_check_risc_status(vha);
Andrew Vasquez05236a02007-09-20 14:07:37 -07003041
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08003042 ha->isp_ops->fw_dump(vha, 1);
3043 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003044 break;
3045 } else if ((stat & HSRX_RISC_INT) == 0)
3046 break;
3047
3048 switch (stat & 0xff) {
Arun Easifafbda92012-08-22 14:21:16 -04003049 case INTR_ROM_MB_SUCCESS:
3050 case INTR_ROM_MB_FAILED:
3051 case INTR_MB_SUCCESS:
3052 case INTR_MB_FAILED:
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08003053 qla24xx_mbx_completion(vha, MSW(stat));
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003054 status |= MBX_INTERRUPT;
3055
3056 break;
Arun Easifafbda92012-08-22 14:21:16 -04003057 case INTR_ASYNC_EVENT:
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003058 mb[0] = MSW(stat);
3059 mb[1] = RD_REG_WORD(&reg->mailbox1);
3060 mb[2] = RD_REG_WORD(&reg->mailbox2);
3061 mb[3] = RD_REG_WORD(&reg->mailbox3);
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003062 qla2x00_async_event(vha, rsp, mb);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003063 break;
Arun Easifafbda92012-08-22 14:21:16 -04003064 case INTR_RSP_QUE_UPDATE:
3065 case INTR_RSP_QUE_UPDATE_83XX:
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07003066 qla24xx_process_response_queue(vha, rsp);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003067 break;
Quinn Tran2f424b92015-12-17 14:57:07 -05003068 case INTR_ATIO_QUE_UPDATE:{
3069 unsigned long flags2;
3070 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3071 qlt_24xx_process_atio_queue(vha, 1);
3072 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04003073 break;
Quinn Tran2f424b92015-12-17 14:57:07 -05003074 }
3075 case INTR_ATIO_RSP_QUE_UPDATE: {
3076 unsigned long flags2;
3077 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3078 qlt_24xx_process_atio_queue(vha, 1);
3079 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3080
Nicholas Bellinger2d70c102012-05-15 14:34:28 -04003081 qla24xx_process_response_queue(vha, rsp);
3082 break;
Quinn Tran2f424b92015-12-17 14:57:07 -05003083 }
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003084 default:
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003085 ql_dbg(ql_dbg_async, vha, 0x5051,
3086 "Unrecognized interrupt type (%d).\n", stat & 0xff);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003087 break;
3088 }
3089 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
Andrew Vasquez87f27012007-09-20 14:07:49 -07003090 } while (0);
gurinder.shergill@hp.com36439832013-04-23 10:13:17 -07003091 qla2x00_handle_mbx_completion(ha, status);
Xiaotian Feng0f19bc62010-01-29 18:09:30 +08003092 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003093
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003094 return IRQ_HANDLED;
3095}
3096
Michael Hernandezd7459522016-12-12 14:40:07 -08003097irqreturn_t
3098qla2xxx_msix_rsp_q(int irq, void *dev_id)
3099{
3100 struct qla_hw_data *ha;
3101 struct qla_qpair *qpair;
3102 struct device_reg_24xx __iomem *reg;
3103 unsigned long flags;
3104
3105 qpair = dev_id;
3106 if (!qpair) {
3107 ql_log(ql_log_info, NULL, 0x505b,
3108 "%s: NULL response queue pointer.\n", __func__);
3109 return IRQ_NONE;
3110 }
3111 ha = qpair->hw;
3112
3113 /* Clear the interrupt, if enabled, for this response queue */
3114 if (unlikely(!ha->flags.disable_msix_handshake)) {
3115 reg = &ha->iobase->isp24;
3116 spin_lock_irqsave(&ha->hardware_lock, flags);
3117 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3118 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3119 }
3120
3121 queue_work(ha->wq, &qpair->q_work);
3122
3123 return IRQ_HANDLED;
3124}
3125
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003126/* Interrupt handling helpers. */
3127
3128struct qla_init_msix_entry {
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003129 const char *name;
Jeff Garzik476834c2007-05-23 14:41:44 -07003130 irq_handler_t handler;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003131};
3132
Nicolas Iooss44a8f952016-12-26 14:23:10 +01003133static const struct qla_init_msix_entry msix_entries[] = {
Arun Easiaa230bc2013-01-30 03:34:39 -05003134 { "qla2xxx (default)", qla24xx_msix_default },
3135 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
3136 { "qla2xxx (atio_q)", qla83xx_msix_atio_q },
Michael Hernandezd7459522016-12-12 14:40:07 -08003137 { "qla2xxx (qpair_multiq)", qla2xxx_msix_rsp_q },
Arun Easiaa230bc2013-01-30 03:34:39 -05003138};
3139
Nicolas Iooss44a8f952016-12-26 14:23:10 +01003140static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07003141 { "qla2xxx (default)", qla82xx_msix_default },
3142 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
Anirban Chakraborty68ca9492009-04-06 22:33:41 -07003143};
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003144
3145static int
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003146qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003147{
3148 int i, ret;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003149 struct qla_msix_entry *qentry;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003150 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
Michael Hernandez67f2db82017-02-15 15:37:21 -08003151 int min_vecs = QLA_BASE_VECTORS;
Christoph Hellwig17e5fc52017-01-11 17:55:45 +01003152 struct irq_affinity desc = {
3153 .pre_vectors = QLA_BASE_VECTORS,
3154 };
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003155
Michael Hernandez67f2db82017-02-15 15:37:21 -08003156 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
Christoph Hellwig17e5fc52017-01-11 17:55:45 +01003157 desc.pre_vectors++;
Michael Hernandez67f2db82017-02-15 15:37:21 -08003158 min_vecs++;
3159 }
Christoph Hellwig17e5fc52017-01-11 17:55:45 +01003160
Michael Hernandez67f2db82017-02-15 15:37:21 -08003161 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
Christoph Hellwig17e5fc52017-01-11 17:55:45 +01003162 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3163 &desc);
3164
Alexander Gordeev84e32a02014-08-18 08:01:47 +02003165 if (ret < 0) {
3166 ql_log(ql_log_fatal, vha, 0x00c7,
3167 "MSI-X: Failed to enable support, "
3168 "giving up -- %d/%d.\n",
3169 ha->msix_count, ret);
3170 goto msix_out;
3171 } else if (ret < ha->msix_count) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003172 ql_log(ql_log_warn, vha, 0x00c6,
3173 "MSI-X: Failed to enable support "
Michael Hernandezd7459522016-12-12 14:40:07 -08003174 "with %d vectors, using %d vectors.\n",
3175 ha->msix_count, ret);
Quinn Trancb432852016-02-04 11:45:16 -05003176 ha->msix_count = ret;
Michael Hernandezd7459522016-12-12 14:40:07 -08003177 /* Recalculate queue values */
3178 if (ha->mqiobase && ql2xmqsupport) {
3179 ha->max_req_queues = ha->msix_count - 1;
3180
3181 /* ATIOQ needs 1 vector. That's 1 less QPair */
3182 if (QLA_TGT_MODE_ENABLED())
3183 ha->max_req_queues--;
3184
3185 ha->max_rsp_queues = ha->max_req_queues;
3186
3187 ha->max_qpairs = ha->max_req_queues - 1;
3188 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3189 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3190 }
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003191 }
3192 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
3193 ha->msix_count, GFP_KERNEL);
3194 if (!ha->msix_entries) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003195 ql_log(ql_log_fatal, vha, 0x00c8,
3196 "Failed to allocate memory for ha->msix_entries.\n");
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003197 ret = -ENOMEM;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003198 goto msix_out;
3199 }
3200 ha->flags.msix_enabled = 1;
3201
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003202 for (i = 0; i < ha->msix_count; i++) {
3203 qentry = &ha->msix_entries[i];
Michael Hernandez4fa18342016-12-12 14:40:06 -08003204 qentry->vector = pci_irq_vector(ha->pdev, i);
3205 qentry->entry = i;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003206 qentry->have_irq = 0;
Michael Hernandezd7459522016-12-12 14:40:07 -08003207 qentry->in_use = 0;
Michael Hernandez4fa18342016-12-12 14:40:06 -08003208 qentry->handle = NULL;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003209 }
3210
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07003211 /* Enable MSI-X vectors for the base queue */
Christoph Hellwig17e5fc52017-01-11 17:55:45 +01003212 for (i = 0; i < QLA_BASE_VECTORS; i++) {
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07003213 qentry = &ha->msix_entries[i];
Michael Hernandez4fa18342016-12-12 14:40:06 -08003214 qentry->handle = rsp;
Johannes Thumshirnef8d1d512016-07-06 09:51:50 +02003215 rsp->msix = qentry;
Michael Hernandezd7459522016-12-12 14:40:07 -08003216 scnprintf(qentry->name, sizeof(qentry->name),
Nicolas Ioosse2e8f612016-12-26 14:23:09 +01003217 "%s", msix_entries[i].name);
Chad Dupuisf3247772014-02-26 04:15:14 -05003218 if (IS_P3P_TYPE(ha))
Giridhar Malavalia9083012010-04-12 17:59:55 -07003219 ret = request_irq(qentry->vector,
3220 qla82xx_msix_entries[i].handler,
3221 0, qla82xx_msix_entries[i].name, rsp);
Chad Dupuisf3247772014-02-26 04:15:14 -05003222 else
Giridhar Malavalia9083012010-04-12 17:59:55 -07003223 ret = request_irq(qentry->vector,
3224 msix_entries[i].handler,
3225 0, msix_entries[i].name, rsp);
Chad Dupuisf3247772014-02-26 04:15:14 -05003226 if (ret)
3227 goto msix_register_fail;
Anirban Chakraborty2afa19a2009-04-06 22:33:40 -07003228 qentry->have_irq = 1;
Quinn Tran093df732016-12-12 14:40:09 -08003229 qentry->in_use = 1;
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003230 }
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003231
Chad Dupuisf3247772014-02-26 04:15:14 -05003232 /*
3233 * If target mode is enable, also request the vector for the ATIO
3234 * queue.
3235 */
3236 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
Quinn Tran093df732016-12-12 14:40:09 -08003237 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
Johannes Thumshirnef8d1d512016-07-06 09:51:50 +02003238 rsp->msix = qentry;
Michael Hernandezd7459522016-12-12 14:40:07 -08003239 qentry->handle = rsp;
3240 scnprintf(qentry->name, sizeof(qentry->name),
Nicolas Ioosse2e8f612016-12-26 14:23:09 +01003241 "%s", msix_entries[QLA_ATIO_VECTOR].name);
Quinn Tran093df732016-12-12 14:40:09 -08003242 qentry->in_use = 1;
Chad Dupuisf3247772014-02-26 04:15:14 -05003243 ret = request_irq(qentry->vector,
Quinn Tran093df732016-12-12 14:40:09 -08003244 msix_entries[QLA_ATIO_VECTOR].handler,
3245 0, msix_entries[QLA_ATIO_VECTOR].name, rsp);
Chad Dupuisf3247772014-02-26 04:15:14 -05003246 qentry->have_irq = 1;
Chad Dupuisf3247772014-02-26 04:15:14 -05003247 }
3248
3249msix_register_fail:
3250 if (ret) {
3251 ql_log(ql_log_fatal, vha, 0x00cb,
3252 "MSI-X: unable to register handler -- %x/%d.\n",
3253 qentry->vector, ret);
Michael Hernandez4fa18342016-12-12 14:40:06 -08003254 qla2x00_free_irqs(vha);
Chad Dupuisf3247772014-02-26 04:15:14 -05003255 ha->mqenable = 0;
3256 goto msix_out;
3257 }
3258
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003259 /* Enable MSI-X vector for response queue update for queue 0 */
Chad Dupuisf73cb692014-02-26 04:15:06 -05003260 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
Giridhar Malavali6246b8a2012-02-09 11:15:34 -08003261 if (ha->msixbase && ha->mqiobase &&
Michael Hernandezd7459522016-12-12 14:40:07 -08003262 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3263 ql2xmqsupport))
Giridhar Malavali6246b8a2012-02-09 11:15:34 -08003264 ha->mqenable = 1;
3265 } else
Michael Hernandezd7459522016-12-12 14:40:07 -08003266 if (ha->mqiobase &&
3267 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3268 ql2xmqsupport))
Giridhar Malavali6246b8a2012-02-09 11:15:34 -08003269 ha->mqenable = 1;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003270 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3271 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3272 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3273 ql_dbg(ql_dbg_init, vha, 0x0055,
3274 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3275 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003276
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003277msix_out:
3278 return ret;
3279}
3280
3281int
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003282qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003283{
Sawan Chandak7fa3e232013-10-30 03:38:10 -04003284 int ret = QLA_FUNCTION_FAILED;
Chad Dupuisf73cb692014-02-26 04:15:06 -05003285 device_reg_t *reg = ha->iobase;
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003286 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003287
3288 /* If possible, enable MSI-X. */
Giridhar Malavali6246b8a2012-02-09 11:15:34 -08003289 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
Chad Dupuisf73cb692014-02-26 04:15:06 -05003290 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) &&
3291 !IS_QLA27XX(ha))
Ben Hutchings6377a7a2010-03-19 16:59:19 -07003292 goto skip_msi;
3293
3294 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3295 (ha->pdev->subsystem_device == 0x7040 ||
3296 ha->pdev->subsystem_device == 0x7041 ||
3297 ha->pdev->subsystem_device == 0x1705)) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003298 ql_log(ql_log_warn, vha, 0x0034,
3299 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
Ben Hutchings6377a7a2010-03-19 16:59:19 -07003300 ha->pdev->subsystem_vendor,
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003301 ha->pdev->subsystem_device);
Ben Hutchings6377a7a2010-03-19 16:59:19 -07003302 goto skip_msi;
3303 }
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003304
Chad Dupuis42cd4f52011-08-16 11:29:24 -07003305 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003306 ql_log(ql_log_warn, vha, 0x0035,
3307 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
Chad Dupuis42cd4f52011-08-16 11:29:24 -07003308 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003309 goto skip_msix;
3310 }
3311
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003312 ret = qla24xx_enable_msix(ha, rsp);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003313 if (!ret) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003314 ql_dbg(ql_dbg_init, vha, 0x0036,
3315 "MSI-X: Enabled (0x%X, 0x%X).\n",
3316 ha->chip_revision, ha->fw_attributes);
Andrew Vasquez963b0fd2008-01-31 12:33:50 -08003317 goto clear_risc_ints;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003318 }
Sawan Chandak7fa3e232013-10-30 03:38:10 -04003319
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003320skip_msix:
Andrew Vasquezcbedb602007-05-07 07:43:02 -07003321
Sawan Chandak7fa3e232013-10-30 03:38:10 -04003322 ql_log(ql_log_info, vha, 0x0037,
3323 "Falling back-to MSI mode -%d.\n", ret);
3324
Andrew Vasquez3a03eb72009-01-05 11:18:11 -08003325 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
Chad Dupuisf73cb692014-02-26 04:15:06 -05003326 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3327 !IS_QLA27XX(ha))
Andrew Vasquezcbedb602007-05-07 07:43:02 -07003328 goto skip_msi;
3329
Michael Hernandez4fa18342016-12-12 14:40:06 -08003330 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
Andrew Vasquezcbedb602007-05-07 07:43:02 -07003331 if (!ret) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003332 ql_dbg(ql_dbg_init, vha, 0x0038,
3333 "MSI: Enabled.\n");
Andrew Vasquezcbedb602007-05-07 07:43:02 -07003334 ha->flags.msi_enabled = 1;
Giridhar Malavalia9083012010-04-12 17:59:55 -07003335 } else
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003336 ql_log(ql_log_warn, vha, 0x0039,
Sawan Chandak7fa3e232013-10-30 03:38:10 -04003337 "Falling back-to INTa mode -- %d.\n", ret);
3338skip_msi:
Giridhar Malavalia033b652012-08-22 14:21:07 -04003339
3340 /* Skip INTx on ISP82xx. */
3341 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3342 return QLA_FUNCTION_FAILED;
3343
Andrew Vasquezfd34f552007-07-19 15:06:00 -07003344 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
Mike Hernandez7992abf2010-11-23 16:52:47 -08003345 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3346 QLA2XXX_DRIVER_NAME, rsp);
Andrew Vasquez963b0fd2008-01-31 12:33:50 -08003347 if (ret) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003348 ql_log(ql_log_warn, vha, 0x003a,
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003349 "Failed to reserve interrupt %d already in use.\n",
3350 ha->pdev->irq);
Andrew Vasquez963b0fd2008-01-31 12:33:50 -08003351 goto fail;
Giridhar Malavali8ae6d9c2013-03-28 08:21:23 -04003352 } else if (!ha->flags.msi_enabled) {
Saurav Kashyap68d91cb2012-11-21 02:40:44 -05003353 ql_dbg(ql_dbg_init, vha, 0x0125,
3354 "INTa mode: Enabled.\n");
Giridhar Malavali8ae6d9c2013-03-28 08:21:23 -04003355 ha->flags.mr_intr_valid = 1;
3356 }
Mike Hernandez7992abf2010-11-23 16:52:47 -08003357
Andrew Vasquez963b0fd2008-01-31 12:33:50 -08003358clear_risc_ints:
Joe Carnuccio4bb2efc2014-09-25 05:16:42 -04003359 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3360 goto fail;
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003361
Andrew Vasquezc6952482008-04-03 13:13:17 -07003362 spin_lock_irq(&ha->hardware_lock);
Joe Carnuccio4bb2efc2014-09-25 05:16:42 -04003363 WRT_REG_WORD(&reg->isp.semaphore, 0);
Andrew Vasquezc6952482008-04-03 13:13:17 -07003364 spin_unlock_irq(&ha->hardware_lock);
Andrew Vasquez963b0fd2008-01-31 12:33:50 -08003365
3366fail:
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003367 return ret;
3368}
3369
3370void
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08003371qla2x00_free_irqs(scsi_qla_host_t *vha)
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003372{
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08003373 struct qla_hw_data *ha = vha->hw;
Chad Dupuis9a347ff2012-05-15 14:34:14 -04003374 struct rsp_que *rsp;
Michael Hernandez4fa18342016-12-12 14:40:06 -08003375 struct qla_msix_entry *qentry;
3376 int i;
Chad Dupuis9a347ff2012-05-15 14:34:14 -04003377
3378 /*
3379 * We need to check that ha->rsp_q_map is valid in case we are called
3380 * from a probe failure context.
3381 */
3382 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
Bart Van Assche27873de2017-01-23 08:34:45 -08003383 goto free_irqs;
Chad Dupuis9a347ff2012-05-15 14:34:14 -04003384 rsp = ha->rsp_q_map[0];
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003385
Michael Hernandez4fa18342016-12-12 14:40:06 -08003386 if (ha->flags.msix_enabled) {
3387 for (i = 0; i < ha->msix_count; i++) {
3388 qentry = &ha->msix_entries[i];
3389 if (qentry->have_irq) {
3390 irq_set_affinity_notifier(qentry->vector, NULL);
3391 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3392 }
3393 }
3394 kfree(ha->msix_entries);
3395 ha->msix_entries = NULL;
3396 ha->flags.msix_enabled = 0;
3397 ql_dbg(ql_dbg_init, vha, 0x0042,
3398 "Disabled MSI-X.\n");
3399 } else {
3400 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3401 }
3402
Bart Van Assche27873de2017-01-23 08:34:45 -08003403free_irqs:
Michael Hernandez4fa18342016-12-12 14:40:06 -08003404 pci_free_irq_vectors(ha->pdev);
Andrew Vasqueza8488ab2007-01-29 10:22:19 -08003405}
Anirban Chakrabortye315cd22008-11-06 10:40:51 -08003406
Michael Hernandezd7459522016-12-12 14:40:07 -08003407int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3408 struct qla_msix_entry *msix, int vector_type)
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003409{
Nicolas Iooss44a8f952016-12-26 14:23:10 +01003410 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003411 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003412 int ret;
3413
Michael Hernandezd7459522016-12-12 14:40:07 -08003414 scnprintf(msix->name, sizeof(msix->name),
3415 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3416 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003417 if (ret) {
Saurav Kashyap7c3df132011-07-14 12:00:13 -07003418 ql_log(ql_log_fatal, vha, 0x00e6,
3419 "MSI-X: Unable to register handler -- %x/%d.\n",
3420 msix->vector, ret);
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003421 return ret;
3422 }
3423 msix->have_irq = 1;
Michael Hernandezd7459522016-12-12 14:40:07 -08003424 msix->handle = qpair;
Anirban Chakraborty73208df2008-12-09 16:45:39 -08003425 return ret;
3426}