| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1 | /******************************************************************* |
| 2 | * This file is part of the Emulex Linux Device Driver for * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 3 | * Fibre Channel Host Bus Adapters. * |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 4 | * Copyright (C) 2004-2006 Emulex. All rights reserved. * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 5 | * EMULEX and SLI are trademarks of Emulex. * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 6 | * www.emulex.com * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 8 | * * |
| 9 | * This program is free software; you can redistribute it and/or * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 10 | * modify it under the terms of version 2 of the GNU General * |
| 11 | * Public License as published by the Free Software Foundation. * |
| 12 | * This program is distributed in the hope that it will be useful. * |
| 13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * |
| 14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * |
| 15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * |
| 16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * |
| 17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * |
| 18 | * more details, a copy of which can be found in the file COPYING * |
| 19 | * included with this package. * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 20 | *******************************************************************/ |
| 21 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 22 | #include <linux/blkdev.h> |
| 23 | #include <linux/pci.h> |
| 24 | #include <linux/kthread.h> |
| 25 | #include <linux/interrupt.h> |
| 26 | |
James.Smart@Emulex.Com | 9188652 | 2005-08-10 15:03:09 -0400 | [diff] [blame] | 27 | #include <scsi/scsi.h> |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 28 | #include <scsi/scsi_device.h> |
| 29 | #include <scsi/scsi_host.h> |
| 30 | #include <scsi/scsi_transport_fc.h> |
| 31 | |
| 32 | #include "lpfc_hw.h" |
| 33 | #include "lpfc_disc.h" |
| 34 | #include "lpfc_sli.h" |
| 35 | #include "lpfc_scsi.h" |
| 36 | #include "lpfc.h" |
| 37 | #include "lpfc_logmsg.h" |
| 38 | #include "lpfc_crtn.h" |
| 39 | |
| 40 | /* AlpaArray for assignment of scsid for scan-down and bind_method */ |
| 41 | static uint8_t lpfcAlpaArray[] = { |
| 42 | 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6, |
| 43 | 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA, |
| 44 | 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, |
| 45 | 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, |
| 46 | 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97, |
| 47 | 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79, |
| 48 | 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, |
| 49 | 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, |
| 50 | 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A, |
| 51 | 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35, |
| 52 | 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, |
| 53 | 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, |
| 54 | 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01 |
| 55 | }; |
| 56 | |
| 57 | static void lpfc_disc_timeout_handler(struct lpfc_hba *); |
| 58 | |
| 59 | static void |
| 60 | lpfc_process_nodev_timeout(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
| 61 | { |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 62 | uint8_t *name = (uint8_t *)&ndlp->nlp_portname; |
James.Smart@Emulex.Com | 6e8215e | 2005-06-25 10:34:04 -0400 | [diff] [blame] | 63 | int warn_on = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 64 | |
| 65 | spin_lock_irq(phba->host->host_lock); |
| 66 | if (!(ndlp->nlp_flag & NLP_NODEV_TMO)) { |
| 67 | spin_unlock_irq(phba->host->host_lock); |
| 68 | return; |
| 69 | } |
| 70 | |
James Smart | 1a16968 | 2006-03-07 15:04:06 -0500 | [diff] [blame] | 71 | /* |
| 72 | * If a discovery event readded nodev_timer after timer |
| 73 | * firing and before processing the timer, cancel the |
| 74 | * nlp_tmofunc. |
| 75 | */ |
| 76 | spin_unlock_irq(phba->host->host_lock); |
| 77 | del_timer_sync(&ndlp->nlp_tmofunc); |
| 78 | spin_lock_irq(phba->host->host_lock); |
| 79 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 80 | ndlp->nlp_flag &= ~NLP_NODEV_TMO; |
| 81 | |
| 82 | if (ndlp->nlp_sid != NLP_NO_SID) { |
James.Smart@Emulex.Com | 6e8215e | 2005-06-25 10:34:04 -0400 | [diff] [blame] | 83 | warn_on = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 84 | /* flush the target */ |
| 85 | lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], |
| 86 | ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); |
| 87 | } |
| 88 | spin_unlock_irq(phba->host->host_lock); |
| 89 | |
James.Smart@Emulex.Com | 6e8215e | 2005-06-25 10:34:04 -0400 | [diff] [blame] | 90 | if (warn_on) { |
| 91 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 92 | "%d:0203 Nodev timeout on " |
| 93 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " |
| 94 | "NPort x%x Data: x%x x%x x%x\n", |
| 95 | phba->brd_no, |
| 96 | *name, *(name+1), *(name+2), *(name+3), |
| 97 | *(name+4), *(name+5), *(name+6), *(name+7), |
| 98 | ndlp->nlp_DID, ndlp->nlp_flag, |
James.Smart@Emulex.Com | 6e8215e | 2005-06-25 10:34:04 -0400 | [diff] [blame] | 99 | ndlp->nlp_state, ndlp->nlp_rpi); |
| 100 | } else { |
| 101 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 102 | "%d:0204 Nodev timeout on " |
| 103 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " |
| 104 | "NPort x%x Data: x%x x%x x%x\n", |
| 105 | phba->brd_no, |
| 106 | *name, *(name+1), *(name+2), *(name+3), |
| 107 | *(name+4), *(name+5), *(name+6), *(name+7), |
| 108 | ndlp->nlp_DID, ndlp->nlp_flag, |
James.Smart@Emulex.Com | 6e8215e | 2005-06-25 10:34:04 -0400 | [diff] [blame] | 109 | ndlp->nlp_state, ndlp->nlp_rpi); |
| 110 | } |
| 111 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 112 | lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM); |
| 113 | return; |
| 114 | } |
| 115 | |
| 116 | static void |
| 117 | lpfc_work_list_done(struct lpfc_hba * phba) |
| 118 | { |
| 119 | struct lpfc_work_evt *evtp = NULL; |
| 120 | struct lpfc_nodelist *ndlp; |
| 121 | int free_evt; |
| 122 | |
| 123 | spin_lock_irq(phba->host->host_lock); |
| 124 | while(!list_empty(&phba->work_list)) { |
| 125 | list_remove_head((&phba->work_list), evtp, typeof(*evtp), |
| 126 | evt_listp); |
| 127 | spin_unlock_irq(phba->host->host_lock); |
| 128 | free_evt = 1; |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 129 | switch (evtp->evt) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 130 | case LPFC_EVT_NODEV_TMO: |
| 131 | ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); |
| 132 | lpfc_process_nodev_timeout(phba, ndlp); |
| 133 | free_evt = 0; |
| 134 | break; |
| 135 | case LPFC_EVT_ELS_RETRY: |
| 136 | ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); |
| 137 | lpfc_els_retry_delay_handler(ndlp); |
| 138 | free_evt = 0; |
| 139 | break; |
| 140 | case LPFC_EVT_ONLINE: |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 141 | if (phba->hba_state < LPFC_LINK_DOWN) |
| 142 | *(int *)(evtp->evt_arg1) = lpfc_online(phba); |
| 143 | else |
| 144 | *(int *)(evtp->evt_arg1) = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 145 | complete((struct completion *)(evtp->evt_arg2)); |
| 146 | break; |
| 147 | case LPFC_EVT_OFFLINE: |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 148 | if (phba->hba_state >= LPFC_LINK_DOWN) |
| 149 | lpfc_offline(phba); |
| 150 | lpfc_sli_brdrestart(phba); |
| 151 | *(int *)(evtp->evt_arg1) = |
| 152 | lpfc_sli_brdready(phba,HS_FFRDY | HS_MBRDY); |
| 153 | complete((struct completion *)(evtp->evt_arg2)); |
| 154 | break; |
| 155 | case LPFC_EVT_WARM_START: |
| 156 | if (phba->hba_state >= LPFC_LINK_DOWN) |
| 157 | lpfc_offline(phba); |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 158 | lpfc_reset_barrier(phba); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 159 | lpfc_sli_brdreset(phba); |
| 160 | lpfc_hba_down_post(phba); |
| 161 | *(int *)(evtp->evt_arg1) = |
| 162 | lpfc_sli_brdready(phba, HS_MBRDY); |
| 163 | complete((struct completion *)(evtp->evt_arg2)); |
| 164 | break; |
| 165 | case LPFC_EVT_KILL: |
| 166 | if (phba->hba_state >= LPFC_LINK_DOWN) |
| 167 | lpfc_offline(phba); |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 168 | *(int *)(evtp->evt_arg1) |
| 169 | = (phba->stopped) ? 0 : lpfc_sli_brdkill(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 170 | complete((struct completion *)(evtp->evt_arg2)); |
| 171 | break; |
| 172 | } |
| 173 | if (free_evt) |
| 174 | kfree(evtp); |
| 175 | spin_lock_irq(phba->host->host_lock); |
| 176 | } |
| 177 | spin_unlock_irq(phba->host->host_lock); |
| 178 | |
| 179 | } |
| 180 | |
| 181 | static void |
| 182 | lpfc_work_done(struct lpfc_hba * phba) |
| 183 | { |
| 184 | struct lpfc_sli_ring *pring; |
| 185 | int i; |
| 186 | uint32_t ha_copy; |
| 187 | uint32_t control; |
| 188 | uint32_t work_hba_events; |
| 189 | |
| 190 | spin_lock_irq(phba->host->host_lock); |
| 191 | ha_copy = phba->work_ha; |
| 192 | phba->work_ha = 0; |
| 193 | work_hba_events=phba->work_hba_events; |
| 194 | spin_unlock_irq(phba->host->host_lock); |
| 195 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 196 | if (ha_copy & HA_ERATT) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 197 | lpfc_handle_eratt(phba); |
| 198 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 199 | if (ha_copy & HA_MBATT) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 200 | lpfc_sli_handle_mb_event(phba); |
| 201 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 202 | if (ha_copy & HA_LATT) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 203 | lpfc_handle_latt(phba); |
| 204 | |
| 205 | if (work_hba_events & WORKER_DISC_TMO) |
| 206 | lpfc_disc_timeout_handler(phba); |
| 207 | |
| 208 | if (work_hba_events & WORKER_ELS_TMO) |
| 209 | lpfc_els_timeout_handler(phba); |
| 210 | |
| 211 | if (work_hba_events & WORKER_MBOX_TMO) |
| 212 | lpfc_mbox_timeout_handler(phba); |
| 213 | |
| 214 | if (work_hba_events & WORKER_FDMI_TMO) |
| 215 | lpfc_fdmi_tmo_handler(phba); |
| 216 | |
| 217 | spin_lock_irq(phba->host->host_lock); |
| 218 | phba->work_hba_events &= ~work_hba_events; |
| 219 | spin_unlock_irq(phba->host->host_lock); |
| 220 | |
| 221 | for (i = 0; i < phba->sli.num_rings; i++, ha_copy >>= 4) { |
| 222 | pring = &phba->sli.ring[i]; |
| 223 | if ((ha_copy & HA_RXATT) |
| 224 | || (pring->flag & LPFC_DEFERRED_RING_EVENT)) { |
| 225 | if (pring->flag & LPFC_STOP_IOCB_MASK) { |
| 226 | pring->flag |= LPFC_DEFERRED_RING_EVENT; |
| 227 | } else { |
| 228 | lpfc_sli_handle_slow_ring_event(phba, pring, |
| 229 | (ha_copy & |
| 230 | HA_RXMASK)); |
| 231 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; |
| 232 | } |
| 233 | /* |
| 234 | * Turn on Ring interrupts |
| 235 | */ |
| 236 | spin_lock_irq(phba->host->host_lock); |
| 237 | control = readl(phba->HCregaddr); |
| 238 | control |= (HC_R0INT_ENA << i); |
| 239 | writel(control, phba->HCregaddr); |
| 240 | readl(phba->HCregaddr); /* flush */ |
| 241 | spin_unlock_irq(phba->host->host_lock); |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | lpfc_work_list_done (phba); |
| 246 | |
| 247 | } |
| 248 | |
| 249 | static int |
| 250 | check_work_wait_done(struct lpfc_hba *phba) { |
| 251 | |
| 252 | spin_lock_irq(phba->host->host_lock); |
| 253 | if (phba->work_ha || |
| 254 | phba->work_hba_events || |
| 255 | (!list_empty(&phba->work_list)) || |
| 256 | kthread_should_stop()) { |
| 257 | spin_unlock_irq(phba->host->host_lock); |
| 258 | return 1; |
| 259 | } else { |
| 260 | spin_unlock_irq(phba->host->host_lock); |
| 261 | return 0; |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | int |
| 266 | lpfc_do_work(void *p) |
| 267 | { |
| 268 | struct lpfc_hba *phba = p; |
| 269 | int rc; |
| 270 | DECLARE_WAIT_QUEUE_HEAD(work_waitq); |
| 271 | |
| 272 | set_user_nice(current, -20); |
| 273 | phba->work_wait = &work_waitq; |
| 274 | |
| 275 | while (1) { |
| 276 | |
| 277 | rc = wait_event_interruptible(work_waitq, |
| 278 | check_work_wait_done(phba)); |
| 279 | BUG_ON(rc); |
| 280 | |
| 281 | if (kthread_should_stop()) |
| 282 | break; |
| 283 | |
| 284 | lpfc_work_done(phba); |
| 285 | |
| 286 | } |
| 287 | phba->work_wait = NULL; |
| 288 | return 0; |
| 289 | } |
| 290 | |
| 291 | /* |
| 292 | * This is only called to handle FC worker events. Since this a rare |
| 293 | * occurance, we allocate a struct lpfc_work_evt structure here instead of |
| 294 | * embedding it in the IOCB. |
| 295 | */ |
| 296 | int |
| 297 | lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2, |
| 298 | uint32_t evt) |
| 299 | { |
| 300 | struct lpfc_work_evt *evtp; |
| 301 | |
| 302 | /* |
| 303 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will |
| 304 | * be queued to worker thread for processing |
| 305 | */ |
| 306 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL); |
| 307 | if (!evtp) |
| 308 | return 0; |
| 309 | |
| 310 | evtp->evt_arg1 = arg1; |
| 311 | evtp->evt_arg2 = arg2; |
| 312 | evtp->evt = evt; |
| 313 | |
| 314 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
| 315 | spin_lock_irq(phba->host->host_lock); |
| 316 | if (phba->work_wait) |
| 317 | wake_up(phba->work_wait); |
| 318 | spin_unlock_irq(phba->host->host_lock); |
| 319 | |
| 320 | return 1; |
| 321 | } |
| 322 | |
| 323 | int |
| 324 | lpfc_linkdown(struct lpfc_hba * phba) |
| 325 | { |
| 326 | struct lpfc_sli *psli; |
| 327 | struct lpfc_nodelist *ndlp, *next_ndlp; |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 328 | struct list_head *listp, *node_list[7]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 329 | LPFC_MBOXQ_t *mb; |
| 330 | int rc, i; |
| 331 | |
| 332 | psli = &phba->sli; |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 333 | /* sysfs or selective reset may call this routine to clean up */ |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 334 | if (phba->hba_state >= LPFC_LINK_DOWN) { |
| 335 | if (phba->hba_state == LPFC_LINK_DOWN) |
| 336 | return 0; |
| 337 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 338 | spin_lock_irq(phba->host->host_lock); |
| 339 | phba->hba_state = LPFC_LINK_DOWN; |
| 340 | spin_unlock_irq(phba->host->host_lock); |
| 341 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 342 | |
| 343 | /* Clean up any firmware default rpi's */ |
| 344 | if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { |
| 345 | lpfc_unreg_did(phba, 0xffffffff, mb); |
| 346 | mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; |
| 347 | if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) |
| 348 | == MBX_NOT_FINISHED) { |
| 349 | mempool_free( mb, phba->mbox_mem_pool); |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | /* Cleanup any outstanding RSCN activity */ |
| 354 | lpfc_els_flush_rscn(phba); |
| 355 | |
| 356 | /* Cleanup any outstanding ELS commands */ |
| 357 | lpfc_els_flush_cmd(phba); |
| 358 | |
| 359 | /* Issue a LINK DOWN event to all nodes */ |
| 360 | node_list[0] = &phba->fc_npr_list; /* MUST do this list first */ |
| 361 | node_list[1] = &phba->fc_nlpmap_list; |
| 362 | node_list[2] = &phba->fc_nlpunmap_list; |
| 363 | node_list[3] = &phba->fc_prli_list; |
| 364 | node_list[4] = &phba->fc_reglogin_list; |
| 365 | node_list[5] = &phba->fc_adisc_list; |
| 366 | node_list[6] = &phba->fc_plogi_list; |
| 367 | for (i = 0; i < 7; i++) { |
| 368 | listp = node_list[i]; |
| 369 | if (list_empty(listp)) |
| 370 | continue; |
| 371 | |
| 372 | list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 373 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 374 | rc = lpfc_disc_state_machine(phba, ndlp, NULL, |
| 375 | NLP_EVT_DEVICE_RECOVERY); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 376 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 377 | /* Check config parameter use-adisc or FCP-2 */ |
| 378 | if ((rc != NLP_STE_FREED_NODE) && |
| 379 | (phba->cfg_use_adisc == 0) && |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 380 | !(ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE)) { |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 381 | /* We know we will have to relogin, so |
| 382 | * unreglogin the rpi right now to fail |
| 383 | * any outstanding I/Os quickly. |
| 384 | */ |
| 385 | lpfc_unreg_rpi(phba, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 386 | } |
| 387 | } |
| 388 | } |
| 389 | |
| 390 | /* free any ndlp's on unused list */ |
| 391 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, |
| 392 | nlp_listp) { |
| 393 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| 394 | } |
| 395 | |
| 396 | /* Setup myDID for link up if we are in pt2pt mode */ |
| 397 | if (phba->fc_flag & FC_PT2PT) { |
| 398 | phba->fc_myDID = 0; |
| 399 | if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { |
| 400 | lpfc_config_link(phba, mb); |
| 401 | mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; |
| 402 | if (lpfc_sli_issue_mbox |
| 403 | (phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) |
| 404 | == MBX_NOT_FINISHED) { |
| 405 | mempool_free( mb, phba->mbox_mem_pool); |
| 406 | } |
| 407 | } |
| 408 | spin_lock_irq(phba->host->host_lock); |
| 409 | phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); |
| 410 | spin_unlock_irq(phba->host->host_lock); |
| 411 | } |
| 412 | spin_lock_irq(phba->host->host_lock); |
| 413 | phba->fc_flag &= ~FC_LBIT; |
| 414 | spin_unlock_irq(phba->host->host_lock); |
| 415 | |
| 416 | /* Turn off discovery timer if its running */ |
| 417 | lpfc_can_disctmo(phba); |
| 418 | |
| 419 | /* Must process IOCBs on all rings to handle ABORTed I/Os */ |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 420 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 421 | } |
| 422 | |
| 423 | static int |
| 424 | lpfc_linkup(struct lpfc_hba * phba) |
| 425 | { |
| 426 | struct lpfc_nodelist *ndlp, *next_ndlp; |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 427 | struct list_head *listp, *node_list[7]; |
| 428 | int i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 429 | |
| 430 | spin_lock_irq(phba->host->host_lock); |
| 431 | phba->hba_state = LPFC_LINK_UP; |
| 432 | phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | |
| 433 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); |
| 434 | phba->fc_flag |= FC_NDISC_ACTIVE; |
| 435 | phba->fc_ns_retry = 0; |
| 436 | spin_unlock_irq(phba->host->host_lock); |
| 437 | |
| 438 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 439 | node_list[0] = &phba->fc_plogi_list; |
| 440 | node_list[1] = &phba->fc_adisc_list; |
| 441 | node_list[2] = &phba->fc_reglogin_list; |
| 442 | node_list[3] = &phba->fc_prli_list; |
| 443 | node_list[4] = &phba->fc_nlpunmap_list; |
| 444 | node_list[5] = &phba->fc_nlpmap_list; |
| 445 | node_list[6] = &phba->fc_npr_list; |
| 446 | for (i = 0; i < 7; i++) { |
| 447 | listp = node_list[i]; |
| 448 | if (list_empty(listp)) |
| 449 | continue; |
| 450 | |
| 451 | list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { |
| 452 | if (phba->fc_flag & FC_LBIT) { |
| 453 | if (ndlp->nlp_type & NLP_FABRIC) { |
| 454 | /* On Linkup its safe to clean up the |
| 455 | * ndlp from Fabric connections. |
| 456 | */ |
| 457 | lpfc_nlp_list(phba, ndlp, |
| 458 | NLP_UNUSED_LIST); |
| 459 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
| 460 | /* Fail outstanding IO now since device |
| 461 | * is marked for PLOGI. |
| 462 | */ |
| 463 | lpfc_unreg_rpi(phba, ndlp); |
| 464 | } |
| 465 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 466 | } |
| 467 | } |
| 468 | |
| 469 | /* free any ndlp's on unused list */ |
| 470 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, |
| 471 | nlp_listp) { |
| 472 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| 473 | } |
| 474 | |
| 475 | return 0; |
| 476 | } |
| 477 | |
| 478 | /* |
| 479 | * This routine handles processing a CLEAR_LA mailbox |
| 480 | * command upon completion. It is setup in the LPFC_MBOXQ |
| 481 | * as the completion routine when the command is |
| 482 | * handed off to the SLI layer. |
| 483 | */ |
| 484 | void |
| 485 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| 486 | { |
| 487 | struct lpfc_sli *psli; |
| 488 | MAILBOX_t *mb; |
| 489 | uint32_t control; |
| 490 | |
| 491 | psli = &phba->sli; |
| 492 | mb = &pmb->mb; |
| 493 | /* Since we don't do discovery right now, turn these off here */ |
| 494 | psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
| 495 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
| 496 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
| 497 | |
| 498 | /* Check for error */ |
| 499 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { |
| 500 | /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ |
| 501 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
| 502 | "%d:0320 CLEAR_LA mbxStatus error x%x hba " |
| 503 | "state x%x\n", |
| 504 | phba->brd_no, mb->mbxStatus, phba->hba_state); |
| 505 | |
| 506 | phba->hba_state = LPFC_HBA_ERROR; |
| 507 | goto out; |
| 508 | } |
| 509 | |
| 510 | if (phba->fc_flag & FC_ABORT_DISCOVERY) |
| 511 | goto out; |
| 512 | |
| 513 | phba->num_disc_nodes = 0; |
| 514 | /* go thru NPR list and issue ELS PLOGIs */ |
| 515 | if (phba->fc_npr_cnt) { |
| 516 | lpfc_els_disc_plogi(phba); |
| 517 | } |
| 518 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 519 | if (!phba->num_disc_nodes) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 520 | spin_lock_irq(phba->host->host_lock); |
| 521 | phba->fc_flag &= ~FC_NDISC_ACTIVE; |
| 522 | spin_unlock_irq(phba->host->host_lock); |
| 523 | } |
| 524 | |
| 525 | phba->hba_state = LPFC_HBA_READY; |
| 526 | |
| 527 | out: |
| 528 | /* Device Discovery completes */ |
| 529 | lpfc_printf_log(phba, |
| 530 | KERN_INFO, |
| 531 | LOG_DISCOVERY, |
| 532 | "%d:0225 Device Discovery completes\n", |
| 533 | phba->brd_no); |
| 534 | |
| 535 | mempool_free( pmb, phba->mbox_mem_pool); |
| 536 | |
| 537 | spin_lock_irq(phba->host->host_lock); |
| 538 | phba->fc_flag &= ~FC_ABORT_DISCOVERY; |
| 539 | if (phba->fc_flag & FC_ESTABLISH_LINK) { |
| 540 | phba->fc_flag &= ~FC_ESTABLISH_LINK; |
| 541 | } |
| 542 | spin_unlock_irq(phba->host->host_lock); |
| 543 | |
| 544 | del_timer_sync(&phba->fc_estabtmo); |
| 545 | |
| 546 | lpfc_can_disctmo(phba); |
| 547 | |
| 548 | /* turn on Link Attention interrupts */ |
| 549 | spin_lock_irq(phba->host->host_lock); |
| 550 | psli->sli_flag |= LPFC_PROCESS_LA; |
| 551 | control = readl(phba->HCregaddr); |
| 552 | control |= HC_LAINT_ENA; |
| 553 | writel(control, phba->HCregaddr); |
| 554 | readl(phba->HCregaddr); /* flush */ |
| 555 | spin_unlock_irq(phba->host->host_lock); |
| 556 | |
| 557 | return; |
| 558 | } |
| 559 | |
| 560 | static void |
Jamie Wellnitz | 25594c6 | 2006-02-28 19:25:34 -0500 | [diff] [blame] | 561 | lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 562 | { |
Jamie Wellnitz | 25594c6 | 2006-02-28 19:25:34 -0500 | [diff] [blame] | 563 | struct lpfc_sli *psli = &phba->sli; |
| 564 | int rc; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 565 | |
Jamie Wellnitz | 25594c6 | 2006-02-28 19:25:34 -0500 | [diff] [blame] | 566 | if (pmb->mb.mbxStatus) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 567 | goto out; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 568 | |
Jamie Wellnitz | 25594c6 | 2006-02-28 19:25:34 -0500 | [diff] [blame] | 569 | mempool_free(pmb, phba->mbox_mem_pool); |
| 570 | |
| 571 | if (phba->fc_topology == TOPOLOGY_LOOP && |
| 572 | phba->fc_flag & FC_PUBLIC_LOOP && |
| 573 | !(phba->fc_flag & FC_LBIT)) { |
| 574 | /* Need to wait for FAN - use discovery timer |
| 575 | * for timeout. hba_state is identically |
| 576 | * LPFC_LOCAL_CFG_LINK while waiting for FAN |
| 577 | */ |
| 578 | lpfc_set_disctmo(phba); |
| 579 | return; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 580 | } |
| 581 | |
Jamie Wellnitz | 25594c6 | 2006-02-28 19:25:34 -0500 | [diff] [blame] | 582 | /* Start discovery by sending a FLOGI. hba_state is identically |
| 583 | * LPFC_FLOGI while waiting for FLOGI cmpl |
| 584 | */ |
| 585 | phba->hba_state = LPFC_FLOGI; |
| 586 | lpfc_set_disctmo(phba); |
| 587 | lpfc_initial_flogi(phba); |
| 588 | return; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 589 | |
| 590 | out: |
Jamie Wellnitz | 25594c6 | 2006-02-28 19:25:34 -0500 | [diff] [blame] | 591 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
| 592 | "%d:0306 CONFIG_LINK mbxStatus error x%x " |
| 593 | "HBA state x%x\n", |
| 594 | phba->brd_no, pmb->mb.mbxStatus, phba->hba_state); |
| 595 | |
| 596 | lpfc_linkdown(phba); |
| 597 | |
| 598 | phba->hba_state = LPFC_HBA_ERROR; |
| 599 | |
| 600 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 601 | "%d:0200 CONFIG_LINK bad hba state x%x\n", |
| 602 | phba->brd_no, phba->hba_state); |
| 603 | |
Jamie Wellnitz | 25594c6 | 2006-02-28 19:25:34 -0500 | [diff] [blame] | 604 | lpfc_clear_la(phba, pmb); |
| 605 | pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; |
| 606 | rc = lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); |
| 607 | if (rc == MBX_NOT_FINISHED) { |
| 608 | mempool_free(pmb, phba->mbox_mem_pool); |
| 609 | lpfc_disc_flush_list(phba); |
| 610 | psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
| 611 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
| 612 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
| 613 | phba->hba_state = LPFC_HBA_READY; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 614 | } |
| 615 | return; |
| 616 | } |
| 617 | |
| 618 | static void |
| 619 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| 620 | { |
| 621 | struct lpfc_sli *psli = &phba->sli; |
| 622 | MAILBOX_t *mb = &pmb->mb; |
| 623 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; |
| 624 | |
| 625 | |
| 626 | /* Check for error */ |
| 627 | if (mb->mbxStatus) { |
| 628 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ |
| 629 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
| 630 | "%d:0319 READ_SPARAM mbxStatus error x%x " |
| 631 | "hba state x%x>\n", |
| 632 | phba->brd_no, mb->mbxStatus, phba->hba_state); |
| 633 | |
| 634 | lpfc_linkdown(phba); |
| 635 | phba->hba_state = LPFC_HBA_ERROR; |
| 636 | goto out; |
| 637 | } |
| 638 | |
| 639 | memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt, |
| 640 | sizeof (struct serv_parm)); |
| 641 | memcpy((uint8_t *) & phba->fc_nodename, |
| 642 | (uint8_t *) & phba->fc_sparam.nodeName, |
| 643 | sizeof (struct lpfc_name)); |
| 644 | memcpy((uint8_t *) & phba->fc_portname, |
| 645 | (uint8_t *) & phba->fc_sparam.portName, |
| 646 | sizeof (struct lpfc_name)); |
| 647 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 648 | kfree(mp); |
| 649 | mempool_free( pmb, phba->mbox_mem_pool); |
| 650 | return; |
| 651 | |
| 652 | out: |
| 653 | pmb->context1 = NULL; |
| 654 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 655 | kfree(mp); |
| 656 | if (phba->hba_state != LPFC_CLEAR_LA) { |
| 657 | lpfc_clear_la(phba, pmb); |
| 658 | pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; |
| 659 | if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)) |
| 660 | == MBX_NOT_FINISHED) { |
| 661 | mempool_free( pmb, phba->mbox_mem_pool); |
| 662 | lpfc_disc_flush_list(phba); |
| 663 | psli->ring[(psli->ip_ring)].flag &= |
| 664 | ~LPFC_STOP_IOCB_EVENT; |
| 665 | psli->ring[(psli->fcp_ring)].flag &= |
| 666 | ~LPFC_STOP_IOCB_EVENT; |
| 667 | psli->ring[(psli->next_ring)].flag &= |
| 668 | ~LPFC_STOP_IOCB_EVENT; |
| 669 | phba->hba_state = LPFC_HBA_READY; |
| 670 | } |
| 671 | } else { |
| 672 | mempool_free( pmb, phba->mbox_mem_pool); |
| 673 | } |
| 674 | return; |
| 675 | } |
| 676 | |
| 677 | static void |
| 678 | lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) |
| 679 | { |
| 680 | int i; |
| 681 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; |
| 682 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 683 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 684 | |
| 685 | spin_lock_irq(phba->host->host_lock); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 686 | switch (la->UlnkSpeed) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 687 | case LA_1GHZ_LINK: |
| 688 | phba->fc_linkspeed = LA_1GHZ_LINK; |
| 689 | break; |
| 690 | case LA_2GHZ_LINK: |
| 691 | phba->fc_linkspeed = LA_2GHZ_LINK; |
| 692 | break; |
| 693 | case LA_4GHZ_LINK: |
| 694 | phba->fc_linkspeed = LA_4GHZ_LINK; |
| 695 | break; |
| 696 | default: |
| 697 | phba->fc_linkspeed = LA_UNKNW_LINK; |
| 698 | break; |
| 699 | } |
| 700 | |
| 701 | phba->fc_topology = la->topology; |
| 702 | |
| 703 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 704 | /* Get Loop Map information */ |
| 705 | |
| 706 | if (la->il) |
| 707 | phba->fc_flag |= FC_LBIT; |
| 708 | |
| 709 | phba->fc_myDID = la->granted_AL_PA; |
| 710 | i = la->un.lilpBde64.tus.f.bdeSize; |
| 711 | |
| 712 | if (i == 0) { |
| 713 | phba->alpa_map[0] = 0; |
| 714 | } else { |
| 715 | if (phba->cfg_log_verbose & LOG_LINK_EVENT) { |
| 716 | int numalpa, j, k; |
| 717 | union { |
| 718 | uint8_t pamap[16]; |
| 719 | struct { |
| 720 | uint32_t wd1; |
| 721 | uint32_t wd2; |
| 722 | uint32_t wd3; |
| 723 | uint32_t wd4; |
| 724 | } pa; |
| 725 | } un; |
| 726 | numalpa = phba->alpa_map[0]; |
| 727 | j = 0; |
| 728 | while (j < numalpa) { |
| 729 | memset(un.pamap, 0, 16); |
| 730 | for (k = 1; j < numalpa; k++) { |
| 731 | un.pamap[k - 1] = |
| 732 | phba->alpa_map[j + 1]; |
| 733 | j++; |
| 734 | if (k == 16) |
| 735 | break; |
| 736 | } |
| 737 | /* Link Up Event ALPA map */ |
| 738 | lpfc_printf_log(phba, |
| 739 | KERN_WARNING, |
| 740 | LOG_LINK_EVENT, |
| 741 | "%d:1304 Link Up Event " |
| 742 | "ALPA map Data: x%x " |
| 743 | "x%x x%x x%x\n", |
| 744 | phba->brd_no, |
| 745 | un.pa.wd1, un.pa.wd2, |
| 746 | un.pa.wd3, un.pa.wd4); |
| 747 | } |
| 748 | } |
| 749 | } |
| 750 | } else { |
| 751 | phba->fc_myDID = phba->fc_pref_DID; |
| 752 | phba->fc_flag |= FC_LBIT; |
| 753 | } |
| 754 | spin_unlock_irq(phba->host->host_lock); |
| 755 | |
| 756 | lpfc_linkup(phba); |
| 757 | if (sparam_mbox) { |
| 758 | lpfc_read_sparam(phba, sparam_mbox); |
| 759 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; |
| 760 | lpfc_sli_issue_mbox(phba, sparam_mbox, |
| 761 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
| 762 | } |
| 763 | |
| 764 | if (cfglink_mbox) { |
| 765 | phba->hba_state = LPFC_LOCAL_CFG_LINK; |
| 766 | lpfc_config_link(phba, cfglink_mbox); |
Jamie Wellnitz | 25594c6 | 2006-02-28 19:25:34 -0500 | [diff] [blame] | 767 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 768 | lpfc_sli_issue_mbox(phba, cfglink_mbox, |
| 769 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
| 770 | } |
| 771 | } |
| 772 | |
| 773 | static void |
| 774 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) { |
| 775 | uint32_t control; |
| 776 | struct lpfc_sli *psli = &phba->sli; |
| 777 | |
| 778 | lpfc_linkdown(phba); |
| 779 | |
| 780 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ |
| 781 | spin_lock_irq(phba->host->host_lock); |
| 782 | psli->sli_flag |= LPFC_PROCESS_LA; |
| 783 | control = readl(phba->HCregaddr); |
| 784 | control |= HC_LAINT_ENA; |
| 785 | writel(control, phba->HCregaddr); |
| 786 | readl(phba->HCregaddr); /* flush */ |
| 787 | spin_unlock_irq(phba->host->host_lock); |
| 788 | } |
| 789 | |
| 790 | /* |
| 791 | * This routine handles processing a READ_LA mailbox |
| 792 | * command upon completion. It is setup in the LPFC_MBOXQ |
| 793 | * as the completion routine when the command is |
| 794 | * handed off to the SLI layer. |
| 795 | */ |
| 796 | void |
| 797 | lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| 798 | { |
| 799 | READ_LA_VAR *la; |
| 800 | MAILBOX_t *mb = &pmb->mb; |
| 801 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
| 802 | |
| 803 | /* Check for error */ |
| 804 | if (mb->mbxStatus) { |
| 805 | lpfc_printf_log(phba, |
| 806 | KERN_INFO, |
| 807 | LOG_LINK_EVENT, |
| 808 | "%d:1307 READ_LA mbox error x%x state x%x\n", |
| 809 | phba->brd_no, |
| 810 | mb->mbxStatus, phba->hba_state); |
| 811 | lpfc_mbx_issue_link_down(phba); |
| 812 | phba->hba_state = LPFC_HBA_ERROR; |
| 813 | goto lpfc_mbx_cmpl_read_la_free_mbuf; |
| 814 | } |
| 815 | |
| 816 | la = (READ_LA_VAR *) & pmb->mb.un.varReadLA; |
| 817 | |
| 818 | memcpy(&phba->alpa_map[0], mp->virt, 128); |
| 819 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 820 | spin_lock_irq(phba->host->host_lock); |
| 821 | if (la->pb) |
| 822 | phba->fc_flag |= FC_BYPASSED_MODE; |
| 823 | else |
| 824 | phba->fc_flag &= ~FC_BYPASSED_MODE; |
| 825 | spin_unlock_irq(phba->host->host_lock); |
| 826 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 827 | if (((phba->fc_eventTag + 1) < la->eventTag) || |
| 828 | (phba->fc_eventTag == la->eventTag)) { |
| 829 | phba->fc_stat.LinkMultiEvent++; |
| 830 | if (la->attType == AT_LINK_UP) { |
| 831 | if (phba->fc_eventTag != 0) |
| 832 | lpfc_linkdown(phba); |
| 833 | } |
| 834 | } |
| 835 | |
| 836 | phba->fc_eventTag = la->eventTag; |
| 837 | |
| 838 | if (la->attType == AT_LINK_UP) { |
| 839 | phba->fc_stat.LinkUp++; |
| 840 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
| 841 | "%d:1303 Link Up Event x%x received " |
| 842 | "Data: x%x x%x x%x x%x\n", |
| 843 | phba->brd_no, la->eventTag, phba->fc_eventTag, |
| 844 | la->granted_AL_PA, la->UlnkSpeed, |
| 845 | phba->alpa_map[0]); |
| 846 | lpfc_mbx_process_link_up(phba, la); |
| 847 | } else { |
| 848 | phba->fc_stat.LinkDown++; |
| 849 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
| 850 | "%d:1305 Link Down Event x%x received " |
| 851 | "Data: x%x x%x x%x\n", |
| 852 | phba->brd_no, la->eventTag, phba->fc_eventTag, |
| 853 | phba->hba_state, phba->fc_flag); |
| 854 | lpfc_mbx_issue_link_down(phba); |
| 855 | } |
| 856 | |
| 857 | lpfc_mbx_cmpl_read_la_free_mbuf: |
| 858 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 859 | kfree(mp); |
| 860 | mempool_free(pmb, phba->mbox_mem_pool); |
| 861 | return; |
| 862 | } |
| 863 | |
| 864 | /* |
| 865 | * This routine handles processing a REG_LOGIN mailbox |
| 866 | * command upon completion. It is setup in the LPFC_MBOXQ |
| 867 | * as the completion routine when the command is |
| 868 | * handed off to the SLI layer. |
| 869 | */ |
| 870 | void |
| 871 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| 872 | { |
| 873 | struct lpfc_sli *psli; |
| 874 | MAILBOX_t *mb; |
| 875 | struct lpfc_dmabuf *mp; |
| 876 | struct lpfc_nodelist *ndlp; |
| 877 | |
| 878 | psli = &phba->sli; |
| 879 | mb = &pmb->mb; |
| 880 | |
| 881 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
| 882 | mp = (struct lpfc_dmabuf *) (pmb->context1); |
| 883 | |
| 884 | pmb->context1 = NULL; |
| 885 | |
| 886 | /* Good status, call state machine */ |
| 887 | lpfc_disc_state_machine(phba, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); |
| 888 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 889 | kfree(mp); |
| 890 | mempool_free( pmb, phba->mbox_mem_pool); |
| 891 | |
| 892 | return; |
| 893 | } |
| 894 | |
| 895 | /* |
| 896 | * This routine handles processing a Fabric REG_LOGIN mailbox |
| 897 | * command upon completion. It is setup in the LPFC_MBOXQ |
| 898 | * as the completion routine when the command is |
| 899 | * handed off to the SLI layer. |
| 900 | */ |
| 901 | void |
| 902 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| 903 | { |
| 904 | struct lpfc_sli *psli; |
| 905 | MAILBOX_t *mb; |
| 906 | struct lpfc_dmabuf *mp; |
| 907 | struct lpfc_nodelist *ndlp; |
| 908 | struct lpfc_nodelist *ndlp_fdmi; |
| 909 | |
| 910 | |
| 911 | psli = &phba->sli; |
| 912 | mb = &pmb->mb; |
| 913 | |
| 914 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
| 915 | mp = (struct lpfc_dmabuf *) (pmb->context1); |
| 916 | |
| 917 | if (mb->mbxStatus) { |
| 918 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 919 | kfree(mp); |
| 920 | mempool_free( pmb, phba->mbox_mem_pool); |
| 921 | mempool_free( ndlp, phba->nlp_mem_pool); |
| 922 | |
| 923 | /* FLOGI failed, so just use loop map to make discovery list */ |
| 924 | lpfc_disc_list_loopmap(phba); |
| 925 | |
| 926 | /* Start discovery */ |
| 927 | lpfc_disc_start(phba); |
| 928 | return; |
| 929 | } |
| 930 | |
| 931 | pmb->context1 = NULL; |
| 932 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 933 | ndlp->nlp_rpi = mb->un.varWords[0]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 934 | ndlp->nlp_type |= NLP_FABRIC; |
| 935 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
| 936 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); |
| 937 | |
| 938 | if (phba->hba_state == LPFC_FABRIC_CFG_LINK) { |
| 939 | /* This NPort has been assigned an NPort_ID by the fabric as a |
| 940 | * result of the completed fabric login. Issue a State Change |
| 941 | * Registration (SCR) ELS request to the fabric controller |
| 942 | * (SCR_DID) so that this NPort gets RSCN events from the |
| 943 | * fabric. |
| 944 | */ |
| 945 | lpfc_issue_els_scr(phba, SCR_DID, 0); |
| 946 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 947 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID); |
| 948 | if (!ndlp) { |
| 949 | /* Allocate a new node instance. If the pool is empty, |
| 950 | * start the discovery process and skip the Nameserver |
| 951 | * login process. This is attempted again later on. |
| 952 | * Otherwise, issue a Port Login (PLOGI) to NameServer. |
| 953 | */ |
| 954 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); |
| 955 | if (!ndlp) { |
| 956 | lpfc_disc_start(phba); |
| 957 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 958 | kfree(mp); |
| 959 | mempool_free( pmb, phba->mbox_mem_pool); |
| 960 | return; |
| 961 | } else { |
| 962 | lpfc_nlp_init(phba, ndlp, NameServer_DID); |
| 963 | ndlp->nlp_type |= NLP_FABRIC; |
| 964 | } |
| 965 | } |
| 966 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
| 967 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 968 | lpfc_issue_els_plogi(phba, NameServer_DID, 0); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 969 | if (phba->cfg_fdmi_on) { |
| 970 | ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool, |
| 971 | GFP_KERNEL); |
| 972 | if (ndlp_fdmi) { |
| 973 | lpfc_nlp_init(phba, ndlp_fdmi, FDMI_DID); |
| 974 | ndlp_fdmi->nlp_type |= NLP_FABRIC; |
| 975 | ndlp_fdmi->nlp_state = NLP_STE_PLOGI_ISSUE; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 976 | lpfc_issue_els_plogi(phba, FDMI_DID, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 977 | } |
| 978 | } |
| 979 | } |
| 980 | |
| 981 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 982 | kfree(mp); |
| 983 | mempool_free( pmb, phba->mbox_mem_pool); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 984 | return; |
| 985 | } |
| 986 | |
| 987 | /* |
| 988 | * This routine handles processing a NameServer REG_LOGIN mailbox |
| 989 | * command upon completion. It is setup in the LPFC_MBOXQ |
| 990 | * as the completion routine when the command is |
| 991 | * handed off to the SLI layer. |
| 992 | */ |
| 993 | void |
| 994 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| 995 | { |
| 996 | struct lpfc_sli *psli; |
| 997 | MAILBOX_t *mb; |
| 998 | struct lpfc_dmabuf *mp; |
| 999 | struct lpfc_nodelist *ndlp; |
| 1000 | |
| 1001 | psli = &phba->sli; |
| 1002 | mb = &pmb->mb; |
| 1003 | |
| 1004 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
| 1005 | mp = (struct lpfc_dmabuf *) (pmb->context1); |
| 1006 | |
| 1007 | if (mb->mbxStatus) { |
| 1008 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 1009 | kfree(mp); |
| 1010 | mempool_free( pmb, phba->mbox_mem_pool); |
| 1011 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| 1012 | |
| 1013 | /* RegLogin failed, so just use loop map to make discovery |
| 1014 | list */ |
| 1015 | lpfc_disc_list_loopmap(phba); |
| 1016 | |
| 1017 | /* Start discovery */ |
| 1018 | lpfc_disc_start(phba); |
| 1019 | return; |
| 1020 | } |
| 1021 | |
| 1022 | pmb->context1 = NULL; |
| 1023 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1024 | ndlp->nlp_rpi = mb->un.varWords[0]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1025 | ndlp->nlp_type |= NLP_FABRIC; |
| 1026 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
| 1027 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); |
| 1028 | |
| 1029 | if (phba->hba_state < LPFC_HBA_READY) { |
| 1030 | /* Link up discovery requires Fabrib registration. */ |
| 1031 | lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID); |
| 1032 | lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN); |
| 1033 | lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID); |
| 1034 | } |
| 1035 | |
| 1036 | phba->fc_ns_retry = 0; |
| 1037 | /* Good status, issue CT Request to NameServer */ |
| 1038 | if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT)) { |
| 1039 | /* Cannot issue NameServer Query, so finish up discovery */ |
| 1040 | lpfc_disc_start(phba); |
| 1041 | } |
| 1042 | |
| 1043 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 1044 | kfree(mp); |
| 1045 | mempool_free( pmb, phba->mbox_mem_pool); |
| 1046 | |
| 1047 | return; |
| 1048 | } |
| 1049 | |
| 1050 | static void |
| 1051 | lpfc_register_remote_port(struct lpfc_hba * phba, |
| 1052 | struct lpfc_nodelist * ndlp) |
| 1053 | { |
| 1054 | struct fc_rport *rport; |
| 1055 | struct lpfc_rport_data *rdata; |
| 1056 | struct fc_rport_identifiers rport_ids; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1057 | |
| 1058 | /* Remote port has reappeared. Re-register w/ FC transport */ |
Andrew Morton | 68ce1eb | 2005-09-21 09:46:54 -0700 | [diff] [blame] | 1059 | rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
| 1060 | rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1061 | rport_ids.port_id = ndlp->nlp_DID; |
| 1062 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1063 | |
| 1064 | ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids); |
| 1065 | if (!rport) { |
| 1066 | dev_printk(KERN_WARNING, &phba->pcidev->dev, |
| 1067 | "Warning: fc_remote_port_add failed\n"); |
| 1068 | return; |
| 1069 | } |
| 1070 | |
| 1071 | /* initialize static port data */ |
| 1072 | rport->maxframe_size = ndlp->nlp_maxframe; |
| 1073 | rport->supported_classes = ndlp->nlp_class_sup; |
| 1074 | if ((rport->scsi_target_id != -1) && |
| 1075 | (rport->scsi_target_id < MAX_FCP_TARGET)) { |
| 1076 | ndlp->nlp_sid = rport->scsi_target_id; |
| 1077 | } |
| 1078 | rdata = rport->dd_data; |
| 1079 | rdata->pnode = ndlp; |
James.Smart@Emulex.Com | 23dc04f | 2005-11-28 11:41:44 -0500 | [diff] [blame] | 1080 | |
| 1081 | if (ndlp->nlp_type & NLP_FCP_TARGET) |
| 1082 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; |
| 1083 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) |
| 1084 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; |
| 1085 | |
| 1086 | |
| 1087 | if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) |
| 1088 | fc_remote_port_rolechg(rport, rport_ids.roles); |
| 1089 | |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 1090 | |
| 1091 | return; |
| 1092 | } |
| 1093 | |
| 1094 | static void |
| 1095 | lpfc_unregister_remote_port(struct lpfc_hba * phba, |
| 1096 | struct lpfc_nodelist * ndlp) |
| 1097 | { |
| 1098 | struct fc_rport *rport = ndlp->rport; |
| 1099 | struct lpfc_rport_data *rdata = rport->dd_data; |
| 1100 | |
| 1101 | ndlp->rport = NULL; |
| 1102 | rdata->pnode = NULL; |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 1103 | fc_remote_port_delete(rport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1104 | |
| 1105 | return; |
| 1106 | } |
| 1107 | |
| 1108 | int |
| 1109 | lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list) |
| 1110 | { |
| 1111 | enum { none, unmapped, mapped } rport_add = none, rport_del = none; |
| 1112 | struct lpfc_sli *psli; |
| 1113 | |
| 1114 | psli = &phba->sli; |
| 1115 | /* Sanity check to ensure we are not moving to / from the same list */ |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1116 | if ((nlp->nlp_flag & NLP_LIST_MASK) == list) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1117 | if (list != NLP_NO_LIST) |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1118 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1119 | |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1120 | spin_lock_irq(phba->host->host_lock); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1121 | switch (nlp->nlp_flag & NLP_LIST_MASK) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1122 | case NLP_NO_LIST: /* Not on any list */ |
| 1123 | break; |
| 1124 | case NLP_UNUSED_LIST: |
| 1125 | phba->fc_unused_cnt--; |
| 1126 | list_del(&nlp->nlp_listp); |
| 1127 | break; |
| 1128 | case NLP_PLOGI_LIST: |
| 1129 | phba->fc_plogi_cnt--; |
| 1130 | list_del(&nlp->nlp_listp); |
| 1131 | break; |
| 1132 | case NLP_ADISC_LIST: |
| 1133 | phba->fc_adisc_cnt--; |
| 1134 | list_del(&nlp->nlp_listp); |
| 1135 | break; |
| 1136 | case NLP_REGLOGIN_LIST: |
| 1137 | phba->fc_reglogin_cnt--; |
| 1138 | list_del(&nlp->nlp_listp); |
| 1139 | break; |
| 1140 | case NLP_PRLI_LIST: |
| 1141 | phba->fc_prli_cnt--; |
| 1142 | list_del(&nlp->nlp_listp); |
| 1143 | break; |
| 1144 | case NLP_UNMAPPED_LIST: |
| 1145 | phba->fc_unmap_cnt--; |
| 1146 | list_del(&nlp->nlp_listp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1147 | nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; |
| 1148 | nlp->nlp_type &= ~NLP_FC_NODE; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1149 | phba->nport_event_cnt++; |
| 1150 | if (nlp->rport) |
| 1151 | rport_del = unmapped; |
| 1152 | break; |
| 1153 | case NLP_MAPPED_LIST: |
| 1154 | phba->fc_map_cnt--; |
| 1155 | list_del(&nlp->nlp_listp); |
| 1156 | phba->nport_event_cnt++; |
| 1157 | if (nlp->rport) |
| 1158 | rport_del = mapped; |
| 1159 | break; |
| 1160 | case NLP_NPR_LIST: |
| 1161 | phba->fc_npr_cnt--; |
| 1162 | list_del(&nlp->nlp_listp); |
| 1163 | /* Stop delay tmo if taking node off NPR list */ |
| 1164 | if ((nlp->nlp_flag & NLP_DELAY_TMO) && |
| 1165 | (list != NLP_NPR_LIST)) { |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1166 | spin_unlock_irq(phba->host->host_lock); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1167 | lpfc_cancel_retry_delay_tmo(phba, nlp); |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1168 | spin_lock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1169 | } |
| 1170 | break; |
| 1171 | } |
| 1172 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1173 | nlp->nlp_flag &= ~NLP_LIST_MASK; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1174 | |
| 1175 | /* Add NPort <did> to <num> list */ |
| 1176 | lpfc_printf_log(phba, |
| 1177 | KERN_INFO, |
| 1178 | LOG_NODE, |
| 1179 | "%d:0904 Add NPort x%x to %d list Data: x%x\n", |
| 1180 | phba->brd_no, |
| 1181 | nlp->nlp_DID, list, nlp->nlp_flag); |
| 1182 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1183 | switch (list) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1184 | case NLP_NO_LIST: /* No list, just remove it */ |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1185 | spin_unlock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1186 | lpfc_nlp_remove(phba, nlp); |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1187 | spin_lock_irq(phba->host->host_lock); |
James.Smart@Emulex.Com | 8cbdc5f | 2005-08-10 15:02:50 -0400 | [diff] [blame] | 1188 | /* as node removed - stop further transport calls */ |
| 1189 | rport_del = none; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1190 | break; |
| 1191 | case NLP_UNUSED_LIST: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1192 | nlp->nlp_flag |= list; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1193 | /* Put it at the end of the unused list */ |
| 1194 | list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list); |
| 1195 | phba->fc_unused_cnt++; |
| 1196 | break; |
| 1197 | case NLP_PLOGI_LIST: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1198 | nlp->nlp_flag |= list; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1199 | /* Put it at the end of the plogi list */ |
| 1200 | list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list); |
| 1201 | phba->fc_plogi_cnt++; |
| 1202 | break; |
| 1203 | case NLP_ADISC_LIST: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1204 | nlp->nlp_flag |= list; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1205 | /* Put it at the end of the adisc list */ |
| 1206 | list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list); |
| 1207 | phba->fc_adisc_cnt++; |
| 1208 | break; |
| 1209 | case NLP_REGLOGIN_LIST: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1210 | nlp->nlp_flag |= list; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1211 | /* Put it at the end of the reglogin list */ |
| 1212 | list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list); |
| 1213 | phba->fc_reglogin_cnt++; |
| 1214 | break; |
| 1215 | case NLP_PRLI_LIST: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1216 | nlp->nlp_flag |= list; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1217 | /* Put it at the end of the prli list */ |
| 1218 | list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list); |
| 1219 | phba->fc_prli_cnt++; |
| 1220 | break; |
| 1221 | case NLP_UNMAPPED_LIST: |
| 1222 | rport_add = unmapped; |
| 1223 | /* ensure all vestiges of "mapped" significance are gone */ |
| 1224 | nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1225 | nlp->nlp_flag |= list; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1226 | /* Put it at the end of the unmap list */ |
| 1227 | list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list); |
| 1228 | phba->fc_unmap_cnt++; |
| 1229 | phba->nport_event_cnt++; |
| 1230 | /* stop nodev tmo if running */ |
| 1231 | if (nlp->nlp_flag & NLP_NODEV_TMO) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1232 | nlp->nlp_flag &= ~NLP_NODEV_TMO; |
| 1233 | spin_unlock_irq(phba->host->host_lock); |
| 1234 | del_timer_sync(&nlp->nlp_tmofunc); |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1235 | spin_lock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1236 | if (!list_empty(&nlp->nodev_timeout_evt.evt_listp)) |
| 1237 | list_del_init(&nlp->nodev_timeout_evt. |
| 1238 | evt_listp); |
| 1239 | |
| 1240 | } |
| 1241 | nlp->nlp_type |= NLP_FC_NODE; |
| 1242 | break; |
| 1243 | case NLP_MAPPED_LIST: |
| 1244 | rport_add = mapped; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1245 | nlp->nlp_flag |= list; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1246 | /* Put it at the end of the map list */ |
| 1247 | list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list); |
| 1248 | phba->fc_map_cnt++; |
| 1249 | phba->nport_event_cnt++; |
| 1250 | /* stop nodev tmo if running */ |
| 1251 | if (nlp->nlp_flag & NLP_NODEV_TMO) { |
| 1252 | nlp->nlp_flag &= ~NLP_NODEV_TMO; |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1253 | spin_unlock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1254 | del_timer_sync(&nlp->nlp_tmofunc); |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1255 | spin_lock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1256 | if (!list_empty(&nlp->nodev_timeout_evt.evt_listp)) |
| 1257 | list_del_init(&nlp->nodev_timeout_evt. |
| 1258 | evt_listp); |
| 1259 | |
| 1260 | } |
| 1261 | break; |
| 1262 | case NLP_NPR_LIST: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1263 | nlp->nlp_flag |= list; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1264 | /* Put it at the end of the npr list */ |
| 1265 | list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list); |
| 1266 | phba->fc_npr_cnt++; |
| 1267 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1268 | if (!(nlp->nlp_flag & NLP_NODEV_TMO)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1269 | mod_timer(&nlp->nlp_tmofunc, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1270 | jiffies + HZ * phba->cfg_nodev_tmo); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1271 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1272 | nlp->nlp_flag |= NLP_NODEV_TMO; |
| 1273 | nlp->nlp_flag &= ~NLP_RCV_PLOGI; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1274 | break; |
| 1275 | case NLP_JUST_DQ: |
| 1276 | break; |
| 1277 | } |
| 1278 | |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1279 | spin_unlock_irq(phba->host->host_lock); |
| 1280 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1281 | /* |
| 1282 | * We make all the calls into the transport after we have |
| 1283 | * moved the node between lists. This so that we don't |
| 1284 | * release the lock while in-between lists. |
| 1285 | */ |
| 1286 | |
| 1287 | /* Don't upcall midlayer if we're unloading */ |
| 1288 | if (!(phba->fc_flag & FC_UNLOADING)) { |
| 1289 | /* |
| 1290 | * We revalidate the rport pointer as the "add" function |
| 1291 | * may have removed the remote port. |
| 1292 | */ |
| 1293 | if ((rport_del != none) && nlp->rport) |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 1294 | lpfc_unregister_remote_port(phba, nlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1295 | |
| 1296 | if (rport_add != none) { |
| 1297 | /* |
| 1298 | * Tell the fc transport about the port, if we haven't |
| 1299 | * already. If we have, and it's a scsi entity, be |
| 1300 | * sure to unblock any attached scsi devices |
| 1301 | */ |
| 1302 | if (!nlp->rport) |
| 1303 | lpfc_register_remote_port(phba, nlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1304 | |
| 1305 | /* |
| 1306 | * if we added to Mapped list, but the remote port |
| 1307 | * registration failed or assigned a target id outside |
| 1308 | * our presentable range - move the node to the |
| 1309 | * Unmapped List |
| 1310 | */ |
| 1311 | if ((rport_add == mapped) && |
| 1312 | ((!nlp->rport) || |
| 1313 | (nlp->rport->scsi_target_id == -1) || |
| 1314 | (nlp->rport->scsi_target_id >= MAX_FCP_TARGET))) { |
| 1315 | nlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
| 1316 | spin_lock_irq(phba->host->host_lock); |
| 1317 | nlp->nlp_flag |= NLP_TGT_NO_SCSIID; |
| 1318 | spin_unlock_irq(phba->host->host_lock); |
| 1319 | lpfc_nlp_list(phba, nlp, NLP_UNMAPPED_LIST); |
| 1320 | } |
| 1321 | } |
| 1322 | } |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1323 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1324 | } |
| 1325 | |
| 1326 | /* |
| 1327 | * Start / ReStart rescue timer for Discovery / RSCN handling |
| 1328 | */ |
| 1329 | void |
| 1330 | lpfc_set_disctmo(struct lpfc_hba * phba) |
| 1331 | { |
| 1332 | uint32_t tmo; |
| 1333 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1334 | if (phba->hba_state == LPFC_LOCAL_CFG_LINK) { |
| 1335 | /* For FAN, timeout should be greater then edtov */ |
| 1336 | tmo = (((phba->fc_edtov + 999) / 1000) + 1); |
| 1337 | } else { |
| 1338 | /* Normal discovery timeout should be > then ELS/CT timeout |
| 1339 | * FC spec states we need 3 * ratov for CT requests |
| 1340 | */ |
| 1341 | tmo = ((phba->fc_ratov * 3) + 3); |
| 1342 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1343 | |
| 1344 | mod_timer(&phba->fc_disctmo, jiffies + HZ * tmo); |
| 1345 | spin_lock_irq(phba->host->host_lock); |
| 1346 | phba->fc_flag |= FC_DISC_TMO; |
| 1347 | spin_unlock_irq(phba->host->host_lock); |
| 1348 | |
| 1349 | /* Start Discovery Timer state <hba_state> */ |
| 1350 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 1351 | "%d:0247 Start Discovery Timer state x%x " |
| 1352 | "Data: x%x x%lx x%x x%x\n", |
| 1353 | phba->brd_no, |
| 1354 | phba->hba_state, tmo, (unsigned long)&phba->fc_disctmo, |
| 1355 | phba->fc_plogi_cnt, phba->fc_adisc_cnt); |
| 1356 | |
| 1357 | return; |
| 1358 | } |
| 1359 | |
| 1360 | /* |
| 1361 | * Cancel rescue timer for Discovery / RSCN handling |
| 1362 | */ |
| 1363 | int |
| 1364 | lpfc_can_disctmo(struct lpfc_hba * phba) |
| 1365 | { |
| 1366 | /* Turn off discovery timer if its running */ |
| 1367 | if (phba->fc_flag & FC_DISC_TMO) { |
| 1368 | spin_lock_irq(phba->host->host_lock); |
| 1369 | phba->fc_flag &= ~FC_DISC_TMO; |
| 1370 | spin_unlock_irq(phba->host->host_lock); |
| 1371 | del_timer_sync(&phba->fc_disctmo); |
| 1372 | phba->work_hba_events &= ~WORKER_DISC_TMO; |
| 1373 | } |
| 1374 | |
| 1375 | /* Cancel Discovery Timer state <hba_state> */ |
| 1376 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 1377 | "%d:0248 Cancel Discovery Timer state x%x " |
| 1378 | "Data: x%x x%x x%x\n", |
| 1379 | phba->brd_no, phba->hba_state, phba->fc_flag, |
| 1380 | phba->fc_plogi_cnt, phba->fc_adisc_cnt); |
| 1381 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1382 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1383 | } |
| 1384 | |
| 1385 | /* |
| 1386 | * Check specified ring for outstanding IOCB on the SLI queue |
| 1387 | * Return true if iocb matches the specified nport |
| 1388 | */ |
| 1389 | int |
| 1390 | lpfc_check_sli_ndlp(struct lpfc_hba * phba, |
| 1391 | struct lpfc_sli_ring * pring, |
| 1392 | struct lpfc_iocbq * iocb, struct lpfc_nodelist * ndlp) |
| 1393 | { |
| 1394 | struct lpfc_sli *psli; |
| 1395 | IOCB_t *icmd; |
| 1396 | |
| 1397 | psli = &phba->sli; |
| 1398 | icmd = &iocb->iocb; |
| 1399 | if (pring->ringno == LPFC_ELS_RING) { |
| 1400 | switch (icmd->ulpCommand) { |
| 1401 | case CMD_GEN_REQUEST64_CR: |
| 1402 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1403 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1404 | case CMD_ELS_REQUEST64_CR: |
| 1405 | case CMD_XMIT_ELS_RSP64_CX: |
| 1406 | if (iocb->context1 == (uint8_t *) ndlp) |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1407 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1408 | } |
| 1409 | } else if (pring->ringno == psli->ip_ring) { |
| 1410 | |
| 1411 | } else if (pring->ringno == psli->fcp_ring) { |
| 1412 | /* Skip match check if waiting to relogin to FCP target */ |
| 1413 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && |
| 1414 | (ndlp->nlp_flag & NLP_DELAY_TMO)) { |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1415 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1416 | } |
| 1417 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1418 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1419 | } |
| 1420 | } else if (pring->ringno == psli->next_ring) { |
| 1421 | |
| 1422 | } |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1423 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1424 | } |
| 1425 | |
| 1426 | /* |
| 1427 | * Free resources / clean up outstanding I/Os |
| 1428 | * associated with nlp_rpi in the LPFC_NODELIST entry. |
| 1429 | */ |
| 1430 | static int |
| 1431 | lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) |
| 1432 | { |
| 1433 | struct lpfc_sli *psli; |
| 1434 | struct lpfc_sli_ring *pring; |
| 1435 | struct lpfc_iocbq *iocb, *next_iocb; |
| 1436 | IOCB_t *icmd; |
| 1437 | uint32_t rpi, i; |
| 1438 | |
| 1439 | /* |
| 1440 | * Everything that matches on txcmplq will be returned |
| 1441 | * by firmware with a no rpi error. |
| 1442 | */ |
| 1443 | psli = &phba->sli; |
| 1444 | rpi = ndlp->nlp_rpi; |
| 1445 | if (rpi) { |
| 1446 | /* Now process each ring */ |
| 1447 | for (i = 0; i < psli->num_rings; i++) { |
| 1448 | pring = &psli->ring[i]; |
| 1449 | |
| 1450 | spin_lock_irq(phba->host->host_lock); |
| 1451 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, |
| 1452 | list) { |
| 1453 | /* |
| 1454 | * Check to see if iocb matches the nport we are |
| 1455 | * looking for |
| 1456 | */ |
| 1457 | if ((lpfc_check_sli_ndlp |
| 1458 | (phba, pring, iocb, ndlp))) { |
| 1459 | /* It matches, so deque and call compl |
| 1460 | with an error */ |
| 1461 | list_del(&iocb->list); |
| 1462 | pring->txq_cnt--; |
| 1463 | if (iocb->iocb_cmpl) { |
| 1464 | icmd = &iocb->iocb; |
| 1465 | icmd->ulpStatus = |
| 1466 | IOSTAT_LOCAL_REJECT; |
| 1467 | icmd->un.ulpWord[4] = |
| 1468 | IOERR_SLI_ABORTED; |
| 1469 | spin_unlock_irq(phba->host-> |
| 1470 | host_lock); |
| 1471 | (iocb->iocb_cmpl) (phba, |
| 1472 | iocb, iocb); |
| 1473 | spin_lock_irq(phba->host-> |
| 1474 | host_lock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1475 | } else |
| 1476 | lpfc_sli_release_iocbq(phba, |
| 1477 | iocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1478 | } |
| 1479 | } |
| 1480 | spin_unlock_irq(phba->host->host_lock); |
| 1481 | |
| 1482 | } |
| 1483 | } |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1484 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1485 | } |
| 1486 | |
| 1487 | /* |
| 1488 | * Free rpi associated with LPFC_NODELIST entry. |
| 1489 | * This routine is called from lpfc_freenode(), when we are removing |
| 1490 | * a LPFC_NODELIST entry. It is also called if the driver initiates a |
| 1491 | * LOGO that completes successfully, and we are waiting to PLOGI back |
| 1492 | * to the remote NPort. In addition, it is called after we receive |
| 1493 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and |
| 1494 | * we are waiting to PLOGI back to the remote NPort. |
| 1495 | */ |
| 1496 | int |
| 1497 | lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) |
| 1498 | { |
| 1499 | LPFC_MBOXQ_t *mbox; |
| 1500 | int rc; |
| 1501 | |
| 1502 | if (ndlp->nlp_rpi) { |
| 1503 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { |
| 1504 | lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox); |
| 1505 | mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl; |
| 1506 | rc = lpfc_sli_issue_mbox |
| 1507 | (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); |
| 1508 | if (rc == MBX_NOT_FINISHED) |
| 1509 | mempool_free( mbox, phba->mbox_mem_pool); |
| 1510 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1511 | lpfc_no_rpi(phba, ndlp); |
| 1512 | ndlp->nlp_rpi = 0; |
| 1513 | return 1; |
| 1514 | } |
| 1515 | return 0; |
| 1516 | } |
| 1517 | |
| 1518 | /* |
| 1519 | * Free resources associated with LPFC_NODELIST entry |
| 1520 | * so it can be freed. |
| 1521 | */ |
| 1522 | static int |
| 1523 | lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) |
| 1524 | { |
| 1525 | LPFC_MBOXQ_t *mb; |
| 1526 | LPFC_MBOXQ_t *nextmb; |
| 1527 | struct lpfc_dmabuf *mp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1528 | |
| 1529 | /* Cleanup node for NPort <nlp_DID> */ |
| 1530 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| 1531 | "%d:0900 Cleanup node for NPort x%x " |
| 1532 | "Data: x%x x%x x%x\n", |
| 1533 | phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, |
| 1534 | ndlp->nlp_state, ndlp->nlp_rpi); |
| 1535 | |
| 1536 | lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ); |
| 1537 | |
| 1538 | /* |
| 1539 | * if unloading the driver - just leave the remote port in place. |
| 1540 | * The driver unload will force the attached devices to detach |
| 1541 | * and flush cache's w/o generating flush errors. |
| 1542 | */ |
| 1543 | if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) { |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 1544 | lpfc_unregister_remote_port(phba, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1545 | ndlp->nlp_sid = NLP_NO_SID; |
| 1546 | } |
| 1547 | |
| 1548 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
| 1549 | if ((mb = phba->sli.mbox_active)) { |
| 1550 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && |
| 1551 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
| 1552 | mb->context2 = NULL; |
| 1553 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 1554 | } |
| 1555 | } |
| 1556 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
| 1557 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && |
| 1558 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
| 1559 | mp = (struct lpfc_dmabuf *) (mb->context1); |
| 1560 | if (mp) { |
| 1561 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 1562 | kfree(mp); |
| 1563 | } |
| 1564 | list_del(&mb->list); |
| 1565 | mempool_free(mb, phba->mbox_mem_pool); |
| 1566 | } |
| 1567 | } |
| 1568 | |
| 1569 | lpfc_els_abort(phba,ndlp,0); |
| 1570 | spin_lock_irq(phba->host->host_lock); |
| 1571 | ndlp->nlp_flag &= ~(NLP_NODEV_TMO|NLP_DELAY_TMO); |
| 1572 | spin_unlock_irq(phba->host->host_lock); |
| 1573 | del_timer_sync(&ndlp->nlp_tmofunc); |
| 1574 | |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1575 | ndlp->nlp_last_elscmd = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1576 | del_timer_sync(&ndlp->nlp_delayfunc); |
| 1577 | |
| 1578 | if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp)) |
| 1579 | list_del_init(&ndlp->nodev_timeout_evt.evt_listp); |
| 1580 | if (!list_empty(&ndlp->els_retry_evt.evt_listp)) |
| 1581 | list_del_init(&ndlp->els_retry_evt.evt_listp); |
| 1582 | |
| 1583 | lpfc_unreg_rpi(phba, ndlp); |
| 1584 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1585 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1586 | } |
| 1587 | |
| 1588 | /* |
| 1589 | * Check to see if we can free the nlp back to the freelist. |
| 1590 | * If we are in the middle of using the nlp in the discovery state |
| 1591 | * machine, defer the free till we reach the end of the state machine. |
| 1592 | */ |
| 1593 | int |
| 1594 | lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) |
| 1595 | { |
| 1596 | if (ndlp->nlp_flag & NLP_NODEV_TMO) { |
| 1597 | spin_lock_irq(phba->host->host_lock); |
| 1598 | ndlp->nlp_flag &= ~NLP_NODEV_TMO; |
| 1599 | spin_unlock_irq(phba->host->host_lock); |
| 1600 | del_timer_sync(&ndlp->nlp_tmofunc); |
| 1601 | if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp)) |
| 1602 | list_del_init(&ndlp->nodev_timeout_evt.evt_listp); |
| 1603 | |
| 1604 | } |
| 1605 | |
| 1606 | |
| 1607 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1608 | lpfc_cancel_retry_delay_tmo(phba, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1609 | } |
| 1610 | |
| 1611 | if (ndlp->nlp_disc_refcnt) { |
| 1612 | spin_lock_irq(phba->host->host_lock); |
| 1613 | ndlp->nlp_flag |= NLP_DELAY_REMOVE; |
| 1614 | spin_unlock_irq(phba->host->host_lock); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1615 | } else { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1616 | lpfc_freenode(phba, ndlp); |
| 1617 | mempool_free( ndlp, phba->nlp_mem_pool); |
| 1618 | } |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1619 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1620 | } |
| 1621 | |
| 1622 | static int |
| 1623 | lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did) |
| 1624 | { |
| 1625 | D_ID mydid; |
| 1626 | D_ID ndlpdid; |
| 1627 | D_ID matchdid; |
| 1628 | |
| 1629 | if (did == Bcast_DID) |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1630 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1631 | |
| 1632 | if (ndlp->nlp_DID == 0) { |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1633 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1634 | } |
| 1635 | |
| 1636 | /* First check for Direct match */ |
| 1637 | if (ndlp->nlp_DID == did) |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1638 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1639 | |
| 1640 | /* Next check for area/domain identically equals 0 match */ |
| 1641 | mydid.un.word = phba->fc_myDID; |
| 1642 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1643 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1644 | } |
| 1645 | |
| 1646 | matchdid.un.word = did; |
| 1647 | ndlpdid.un.word = ndlp->nlp_DID; |
| 1648 | if (matchdid.un.b.id == ndlpdid.un.b.id) { |
| 1649 | if ((mydid.un.b.domain == matchdid.un.b.domain) && |
| 1650 | (mydid.un.b.area == matchdid.un.b.area)) { |
| 1651 | if ((ndlpdid.un.b.domain == 0) && |
| 1652 | (ndlpdid.un.b.area == 0)) { |
| 1653 | if (ndlpdid.un.b.id) |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1654 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1655 | } |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1656 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1657 | } |
| 1658 | |
| 1659 | matchdid.un.word = ndlp->nlp_DID; |
| 1660 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && |
| 1661 | (mydid.un.b.area == ndlpdid.un.b.area)) { |
| 1662 | if ((matchdid.un.b.domain == 0) && |
| 1663 | (matchdid.un.b.area == 0)) { |
| 1664 | if (matchdid.un.b.id) |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1665 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1666 | } |
| 1667 | } |
| 1668 | } |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1669 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1670 | } |
| 1671 | |
| 1672 | /* Search for a nodelist entry on a specific list */ |
| 1673 | struct lpfc_nodelist * |
| 1674 | lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did) |
| 1675 | { |
| 1676 | struct lpfc_nodelist *ndlp, *next_ndlp; |
| 1677 | uint32_t data1; |
| 1678 | |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1679 | spin_lock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1680 | if (order & NLP_SEARCH_UNMAPPED) { |
| 1681 | list_for_each_entry_safe(ndlp, next_ndlp, |
| 1682 | &phba->fc_nlpunmap_list, nlp_listp) { |
| 1683 | if (lpfc_matchdid(phba, ndlp, did)) { |
| 1684 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| 1685 | ((uint32_t) ndlp->nlp_xri << 16) | |
| 1686 | ((uint32_t) ndlp->nlp_type << 8) | |
| 1687 | ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| 1688 | /* FIND node DID unmapped */ |
| 1689 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| 1690 | "%d:0929 FIND node DID unmapped" |
| 1691 | " Data: x%p x%x x%x x%x\n", |
| 1692 | phba->brd_no, |
| 1693 | ndlp, ndlp->nlp_DID, |
| 1694 | ndlp->nlp_flag, data1); |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1695 | spin_unlock_irq(phba->host->host_lock); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1696 | return ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1697 | } |
| 1698 | } |
| 1699 | } |
| 1700 | |
| 1701 | if (order & NLP_SEARCH_MAPPED) { |
| 1702 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list, |
| 1703 | nlp_listp) { |
| 1704 | if (lpfc_matchdid(phba, ndlp, did)) { |
| 1705 | |
| 1706 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| 1707 | ((uint32_t) ndlp->nlp_xri << 16) | |
| 1708 | ((uint32_t) ndlp->nlp_type << 8) | |
| 1709 | ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| 1710 | /* FIND node DID mapped */ |
| 1711 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| 1712 | "%d:0930 FIND node DID mapped " |
| 1713 | "Data: x%p x%x x%x x%x\n", |
| 1714 | phba->brd_no, |
| 1715 | ndlp, ndlp->nlp_DID, |
| 1716 | ndlp->nlp_flag, data1); |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1717 | spin_unlock_irq(phba->host->host_lock); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1718 | return ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1719 | } |
| 1720 | } |
| 1721 | } |
| 1722 | |
| 1723 | if (order & NLP_SEARCH_PLOGI) { |
| 1724 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, |
| 1725 | nlp_listp) { |
| 1726 | if (lpfc_matchdid(phba, ndlp, did)) { |
| 1727 | |
| 1728 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| 1729 | ((uint32_t) ndlp->nlp_xri << 16) | |
| 1730 | ((uint32_t) ndlp->nlp_type << 8) | |
| 1731 | ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| 1732 | /* LOG change to PLOGI */ |
| 1733 | /* FIND node DID plogi */ |
| 1734 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| 1735 | "%d:0908 FIND node DID plogi " |
| 1736 | "Data: x%p x%x x%x x%x\n", |
| 1737 | phba->brd_no, |
| 1738 | ndlp, ndlp->nlp_DID, |
| 1739 | ndlp->nlp_flag, data1); |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1740 | spin_unlock_irq(phba->host->host_lock); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1741 | return ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1742 | } |
| 1743 | } |
| 1744 | } |
| 1745 | |
| 1746 | if (order & NLP_SEARCH_ADISC) { |
| 1747 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, |
| 1748 | nlp_listp) { |
| 1749 | if (lpfc_matchdid(phba, ndlp, did)) { |
| 1750 | |
| 1751 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| 1752 | ((uint32_t) ndlp->nlp_xri << 16) | |
| 1753 | ((uint32_t) ndlp->nlp_type << 8) | |
| 1754 | ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| 1755 | /* LOG change to ADISC */ |
| 1756 | /* FIND node DID adisc */ |
| 1757 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| 1758 | "%d:0931 FIND node DID adisc " |
| 1759 | "Data: x%p x%x x%x x%x\n", |
| 1760 | phba->brd_no, |
| 1761 | ndlp, ndlp->nlp_DID, |
| 1762 | ndlp->nlp_flag, data1); |
James Smart | fc6c12b | 2006-03-07 15:04:19 -0500 | [diff] [blame] | 1763 | spin_unlock_irq(phba->host->host_lock); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1764 | return ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1765 | } |
| 1766 | } |
| 1767 | } |
| 1768 | |
| 1769 | if (order & NLP_SEARCH_REGLOGIN) { |
| 1770 | list_for_each_entry_safe(ndlp, next_ndlp, |
| 1771 | &phba->fc_reglogin_list, nlp_listp) { |
| 1772 | if (lpfc_matchdid(phba, ndlp, did)) { |
| 1773 | |
| 1774 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| 1775 | ((uint32_t) ndlp->nlp_xri << 16) | |
| 1776 | ((uint32_t) ndlp->nlp_type << 8) | |
| 1777 | ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| 1778 | /* LOG change to REGLOGIN */ |
| 1779 | /* FIND node DID reglogin */ |
| 1780 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| 1781 | "%d:0931 FIND node DID reglogin" |
| 1782 | " Data: x%p x%x x%x x%x\n", |
| 1783 | phba->brd_no, |
| 1784 | ndlp, ndlp->nlp_DID, |
| 1785 | ndlp->nlp_flag, data1); |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1786 | spin_unlock_irq(phba->host->host_lock); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1787 | return ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1788 | } |
| 1789 | } |
| 1790 | } |
| 1791 | |
| 1792 | if (order & NLP_SEARCH_PRLI) { |
| 1793 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list, |
| 1794 | nlp_listp) { |
| 1795 | if (lpfc_matchdid(phba, ndlp, did)) { |
| 1796 | |
| 1797 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| 1798 | ((uint32_t) ndlp->nlp_xri << 16) | |
| 1799 | ((uint32_t) ndlp->nlp_type << 8) | |
| 1800 | ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| 1801 | /* LOG change to PRLI */ |
| 1802 | /* FIND node DID prli */ |
| 1803 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| 1804 | "%d:0931 FIND node DID prli " |
| 1805 | "Data: x%p x%x x%x x%x\n", |
| 1806 | phba->brd_no, |
| 1807 | ndlp, ndlp->nlp_DID, |
| 1808 | ndlp->nlp_flag, data1); |
James Smart | fc6c12b | 2006-03-07 15:04:19 -0500 | [diff] [blame] | 1809 | spin_unlock_irq(phba->host->host_lock); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1810 | return ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1811 | } |
| 1812 | } |
| 1813 | } |
| 1814 | |
| 1815 | if (order & NLP_SEARCH_NPR) { |
| 1816 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, |
| 1817 | nlp_listp) { |
| 1818 | if (lpfc_matchdid(phba, ndlp, did)) { |
| 1819 | |
| 1820 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| 1821 | ((uint32_t) ndlp->nlp_xri << 16) | |
| 1822 | ((uint32_t) ndlp->nlp_type << 8) | |
| 1823 | ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| 1824 | /* LOG change to NPR */ |
| 1825 | /* FIND node DID npr */ |
| 1826 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| 1827 | "%d:0931 FIND node DID npr " |
| 1828 | "Data: x%p x%x x%x x%x\n", |
| 1829 | phba->brd_no, |
| 1830 | ndlp, ndlp->nlp_DID, |
| 1831 | ndlp->nlp_flag, data1); |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1832 | spin_unlock_irq(phba->host->host_lock); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1833 | return ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1834 | } |
| 1835 | } |
| 1836 | } |
| 1837 | |
| 1838 | if (order & NLP_SEARCH_UNUSED) { |
| 1839 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, |
| 1840 | nlp_listp) { |
| 1841 | if (lpfc_matchdid(phba, ndlp, did)) { |
| 1842 | |
| 1843 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| 1844 | ((uint32_t) ndlp->nlp_xri << 16) | |
| 1845 | ((uint32_t) ndlp->nlp_type << 8) | |
| 1846 | ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| 1847 | /* LOG change to UNUSED */ |
| 1848 | /* FIND node DID unused */ |
| 1849 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| 1850 | "%d:0931 FIND node DID unused " |
| 1851 | "Data: x%p x%x x%x x%x\n", |
| 1852 | phba->brd_no, |
| 1853 | ndlp, ndlp->nlp_DID, |
| 1854 | ndlp->nlp_flag, data1); |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1855 | spin_unlock_irq(phba->host->host_lock); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1856 | return ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1857 | } |
| 1858 | } |
| 1859 | } |
| 1860 | |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 1861 | spin_unlock_irq(phba->host->host_lock); |
| 1862 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1863 | /* FIND node did <did> NOT FOUND */ |
| 1864 | lpfc_printf_log(phba, |
| 1865 | KERN_INFO, |
| 1866 | LOG_NODE, |
| 1867 | "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n", |
| 1868 | phba->brd_no, did, order); |
| 1869 | |
| 1870 | /* no match found */ |
| 1871 | return NULL; |
| 1872 | } |
| 1873 | |
| 1874 | struct lpfc_nodelist * |
| 1875 | lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did) |
| 1876 | { |
| 1877 | struct lpfc_nodelist *ndlp; |
| 1878 | uint32_t flg; |
| 1879 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1880 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did); |
| 1881 | if (!ndlp) { |
| 1882 | if ((phba->fc_flag & FC_RSCN_MODE) && |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1883 | ((lpfc_rscn_payload_check(phba, did) == 0))) |
| 1884 | return NULL; |
| 1885 | ndlp = (struct lpfc_nodelist *) |
| 1886 | mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 1887 | if (!ndlp) |
| 1888 | return NULL; |
| 1889 | lpfc_nlp_init(phba, ndlp, did); |
| 1890 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 1891 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 1892 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
| 1893 | return ndlp; |
| 1894 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1895 | if (phba->fc_flag & FC_RSCN_MODE) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1896 | if (lpfc_rscn_payload_check(phba, did)) { |
| 1897 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1898 | |
| 1899 | /* Since this node is marked for discovery, |
| 1900 | * delay timeout is not needed. |
| 1901 | */ |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1902 | if (ndlp->nlp_flag & NLP_DELAY_TMO) |
| 1903 | lpfc_cancel_retry_delay_tmo(phba, ndlp); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1904 | } else { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1905 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
| 1906 | ndlp = NULL; |
| 1907 | } |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1908 | } else { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1909 | flg = ndlp->nlp_flag & NLP_LIST_MASK; |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1910 | if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1911 | return NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1912 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 1913 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 1914 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
| 1915 | } |
| 1916 | return ndlp; |
| 1917 | } |
| 1918 | |
| 1919 | /* Build a list of nodes to discover based on the loopmap */ |
| 1920 | void |
| 1921 | lpfc_disc_list_loopmap(struct lpfc_hba * phba) |
| 1922 | { |
| 1923 | int j; |
| 1924 | uint32_t alpa, index; |
| 1925 | |
| 1926 | if (phba->hba_state <= LPFC_LINK_DOWN) { |
| 1927 | return; |
| 1928 | } |
| 1929 | if (phba->fc_topology != TOPOLOGY_LOOP) { |
| 1930 | return; |
| 1931 | } |
| 1932 | |
| 1933 | /* Check for loop map present or not */ |
| 1934 | if (phba->alpa_map[0]) { |
| 1935 | for (j = 1; j <= phba->alpa_map[0]; j++) { |
| 1936 | alpa = phba->alpa_map[j]; |
| 1937 | |
| 1938 | if (((phba->fc_myDID & 0xff) == alpa) || (alpa == 0)) { |
| 1939 | continue; |
| 1940 | } |
| 1941 | lpfc_setup_disc_node(phba, alpa); |
| 1942 | } |
| 1943 | } else { |
| 1944 | /* No alpamap, so try all alpa's */ |
| 1945 | for (j = 0; j < FC_MAXLOOP; j++) { |
| 1946 | /* If cfg_scan_down is set, start from highest |
| 1947 | * ALPA (0xef) to lowest (0x1). |
| 1948 | */ |
| 1949 | if (phba->cfg_scan_down) |
| 1950 | index = j; |
| 1951 | else |
| 1952 | index = FC_MAXLOOP - j - 1; |
| 1953 | alpa = lpfcAlpaArray[index]; |
| 1954 | if ((phba->fc_myDID & 0xff) == alpa) { |
| 1955 | continue; |
| 1956 | } |
| 1957 | |
| 1958 | lpfc_setup_disc_node(phba, alpa); |
| 1959 | } |
| 1960 | } |
| 1961 | return; |
| 1962 | } |
| 1963 | |
| 1964 | /* Start Link up / RSCN discovery on NPR list */ |
| 1965 | void |
| 1966 | lpfc_disc_start(struct lpfc_hba * phba) |
| 1967 | { |
| 1968 | struct lpfc_sli *psli; |
| 1969 | LPFC_MBOXQ_t *mbox; |
| 1970 | struct lpfc_nodelist *ndlp, *next_ndlp; |
| 1971 | uint32_t did_changed, num_sent; |
| 1972 | uint32_t clear_la_pending; |
| 1973 | int rc; |
| 1974 | |
| 1975 | psli = &phba->sli; |
| 1976 | |
| 1977 | if (phba->hba_state <= LPFC_LINK_DOWN) { |
| 1978 | return; |
| 1979 | } |
| 1980 | if (phba->hba_state == LPFC_CLEAR_LA) |
| 1981 | clear_la_pending = 1; |
| 1982 | else |
| 1983 | clear_la_pending = 0; |
| 1984 | |
| 1985 | if (phba->hba_state < LPFC_HBA_READY) { |
| 1986 | phba->hba_state = LPFC_DISC_AUTH; |
| 1987 | } |
| 1988 | lpfc_set_disctmo(phba); |
| 1989 | |
| 1990 | if (phba->fc_prevDID == phba->fc_myDID) { |
| 1991 | did_changed = 0; |
| 1992 | } else { |
| 1993 | did_changed = 1; |
| 1994 | } |
| 1995 | phba->fc_prevDID = phba->fc_myDID; |
| 1996 | phba->num_disc_nodes = 0; |
| 1997 | |
| 1998 | /* Start Discovery state <hba_state> */ |
| 1999 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 2000 | "%d:0202 Start Discovery hba state x%x " |
| 2001 | "Data: x%x x%x x%x\n", |
| 2002 | phba->brd_no, phba->hba_state, phba->fc_flag, |
| 2003 | phba->fc_plogi_cnt, phba->fc_adisc_cnt); |
| 2004 | |
| 2005 | /* If our did changed, we MUST do PLOGI */ |
| 2006 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, |
| 2007 | nlp_listp) { |
| 2008 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
| 2009 | if (did_changed) { |
| 2010 | spin_lock_irq(phba->host->host_lock); |
| 2011 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
| 2012 | spin_unlock_irq(phba->host->host_lock); |
| 2013 | } |
| 2014 | } |
| 2015 | } |
| 2016 | |
| 2017 | /* First do ADISCs - if any */ |
| 2018 | num_sent = lpfc_els_disc_adisc(phba); |
| 2019 | |
| 2020 | if (num_sent) |
| 2021 | return; |
| 2022 | |
| 2023 | if ((phba->hba_state < LPFC_HBA_READY) && (!clear_la_pending)) { |
| 2024 | /* If we get here, there is nothing to ADISC */ |
| 2025 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { |
| 2026 | phba->hba_state = LPFC_CLEAR_LA; |
| 2027 | lpfc_clear_la(phba, mbox); |
| 2028 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; |
| 2029 | rc = lpfc_sli_issue_mbox(phba, mbox, |
| 2030 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
| 2031 | if (rc == MBX_NOT_FINISHED) { |
| 2032 | mempool_free( mbox, phba->mbox_mem_pool); |
| 2033 | lpfc_disc_flush_list(phba); |
| 2034 | psli->ring[(psli->ip_ring)].flag &= |
| 2035 | ~LPFC_STOP_IOCB_EVENT; |
| 2036 | psli->ring[(psli->fcp_ring)].flag &= |
| 2037 | ~LPFC_STOP_IOCB_EVENT; |
| 2038 | psli->ring[(psli->next_ring)].flag &= |
| 2039 | ~LPFC_STOP_IOCB_EVENT; |
| 2040 | phba->hba_state = LPFC_HBA_READY; |
| 2041 | } |
| 2042 | } |
| 2043 | } else { |
| 2044 | /* Next do PLOGIs - if any */ |
| 2045 | num_sent = lpfc_els_disc_plogi(phba); |
| 2046 | |
| 2047 | if (num_sent) |
| 2048 | return; |
| 2049 | |
| 2050 | if (phba->fc_flag & FC_RSCN_MODE) { |
| 2051 | /* Check to see if more RSCNs came in while we |
| 2052 | * were processing this one. |
| 2053 | */ |
| 2054 | if ((phba->fc_rscn_id_cnt == 0) && |
| 2055 | (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { |
| 2056 | spin_lock_irq(phba->host->host_lock); |
| 2057 | phba->fc_flag &= ~FC_RSCN_MODE; |
| 2058 | spin_unlock_irq(phba->host->host_lock); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 2059 | } else |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2060 | lpfc_els_handle_rscn(phba); |
| 2061 | } |
| 2062 | } |
| 2063 | return; |
| 2064 | } |
| 2065 | |
| 2066 | /* |
| 2067 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS |
| 2068 | * ring the match the sppecified nodelist. |
| 2069 | */ |
| 2070 | static void |
| 2071 | lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) |
| 2072 | { |
| 2073 | struct lpfc_sli *psli; |
| 2074 | IOCB_t *icmd; |
| 2075 | struct lpfc_iocbq *iocb, *next_iocb; |
| 2076 | struct lpfc_sli_ring *pring; |
| 2077 | struct lpfc_dmabuf *mp; |
| 2078 | |
| 2079 | psli = &phba->sli; |
| 2080 | pring = &psli->ring[LPFC_ELS_RING]; |
| 2081 | |
| 2082 | /* Error matching iocb on txq or txcmplq |
| 2083 | * First check the txq. |
| 2084 | */ |
| 2085 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
| 2086 | if (iocb->context1 != ndlp) { |
| 2087 | continue; |
| 2088 | } |
| 2089 | icmd = &iocb->iocb; |
| 2090 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || |
| 2091 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { |
| 2092 | |
| 2093 | list_del(&iocb->list); |
| 2094 | pring->txq_cnt--; |
| 2095 | lpfc_els_free_iocb(phba, iocb); |
| 2096 | } |
| 2097 | } |
| 2098 | |
| 2099 | /* Next check the txcmplq */ |
| 2100 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
| 2101 | if (iocb->context1 != ndlp) { |
| 2102 | continue; |
| 2103 | } |
| 2104 | icmd = &iocb->iocb; |
| 2105 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || |
| 2106 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { |
| 2107 | |
| 2108 | iocb->iocb_cmpl = NULL; |
| 2109 | /* context2 = cmd, context2->next = rsp, context3 = |
| 2110 | bpl */ |
| 2111 | if (iocb->context2) { |
| 2112 | /* Free the response IOCB before handling the |
| 2113 | command. */ |
| 2114 | |
| 2115 | mp = (struct lpfc_dmabuf *) (iocb->context2); |
| 2116 | mp = list_get_first(&mp->list, |
| 2117 | struct lpfc_dmabuf, |
| 2118 | list); |
| 2119 | if (mp) { |
| 2120 | /* Delay before releasing rsp buffer to |
| 2121 | * give UNREG mbox a chance to take |
| 2122 | * effect. |
| 2123 | */ |
| 2124 | list_add(&mp->list, |
| 2125 | &phba->freebufList); |
| 2126 | } |
| 2127 | lpfc_mbuf_free(phba, |
| 2128 | ((struct lpfc_dmabuf *) |
| 2129 | iocb->context2)->virt, |
| 2130 | ((struct lpfc_dmabuf *) |
| 2131 | iocb->context2)->phys); |
| 2132 | kfree(iocb->context2); |
| 2133 | } |
| 2134 | |
| 2135 | if (iocb->context3) { |
| 2136 | lpfc_mbuf_free(phba, |
| 2137 | ((struct lpfc_dmabuf *) |
| 2138 | iocb->context3)->virt, |
| 2139 | ((struct lpfc_dmabuf *) |
| 2140 | iocb->context3)->phys); |
| 2141 | kfree(iocb->context3); |
| 2142 | } |
| 2143 | } |
| 2144 | } |
| 2145 | |
| 2146 | return; |
| 2147 | } |
| 2148 | |
| 2149 | void |
| 2150 | lpfc_disc_flush_list(struct lpfc_hba * phba) |
| 2151 | { |
| 2152 | struct lpfc_nodelist *ndlp, *next_ndlp; |
| 2153 | |
| 2154 | if (phba->fc_plogi_cnt) { |
| 2155 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, |
| 2156 | nlp_listp) { |
| 2157 | lpfc_free_tx(phba, ndlp); |
| 2158 | lpfc_nlp_remove(phba, ndlp); |
| 2159 | } |
| 2160 | } |
| 2161 | if (phba->fc_adisc_cnt) { |
| 2162 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, |
| 2163 | nlp_listp) { |
| 2164 | lpfc_free_tx(phba, ndlp); |
| 2165 | lpfc_nlp_remove(phba, ndlp); |
| 2166 | } |
| 2167 | } |
| 2168 | return; |
| 2169 | } |
| 2170 | |
| 2171 | /*****************************************************************************/ |
| 2172 | /* |
| 2173 | * NAME: lpfc_disc_timeout |
| 2174 | * |
| 2175 | * FUNCTION: Fibre Channel driver discovery timeout routine. |
| 2176 | * |
| 2177 | * EXECUTION ENVIRONMENT: interrupt only |
| 2178 | * |
| 2179 | * CALLED FROM: |
| 2180 | * Timer function |
| 2181 | * |
| 2182 | * RETURNS: |
| 2183 | * none |
| 2184 | */ |
| 2185 | /*****************************************************************************/ |
| 2186 | void |
| 2187 | lpfc_disc_timeout(unsigned long ptr) |
| 2188 | { |
| 2189 | struct lpfc_hba *phba = (struct lpfc_hba *)ptr; |
| 2190 | unsigned long flags = 0; |
| 2191 | |
| 2192 | if (unlikely(!phba)) |
| 2193 | return; |
| 2194 | |
| 2195 | spin_lock_irqsave(phba->host->host_lock, flags); |
| 2196 | if (!(phba->work_hba_events & WORKER_DISC_TMO)) { |
| 2197 | phba->work_hba_events |= WORKER_DISC_TMO; |
| 2198 | if (phba->work_wait) |
| 2199 | wake_up(phba->work_wait); |
| 2200 | } |
| 2201 | spin_unlock_irqrestore(phba->host->host_lock, flags); |
| 2202 | return; |
| 2203 | } |
| 2204 | |
| 2205 | static void |
| 2206 | lpfc_disc_timeout_handler(struct lpfc_hba *phba) |
| 2207 | { |
| 2208 | struct lpfc_sli *psli; |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2209 | struct lpfc_nodelist *ndlp, *next_ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2210 | LPFC_MBOXQ_t *clearlambox, *initlinkmbox; |
| 2211 | int rc, clrlaerr = 0; |
| 2212 | |
| 2213 | if (unlikely(!phba)) |
| 2214 | return; |
| 2215 | |
| 2216 | if (!(phba->fc_flag & FC_DISC_TMO)) |
| 2217 | return; |
| 2218 | |
| 2219 | psli = &phba->sli; |
| 2220 | |
| 2221 | spin_lock_irq(phba->host->host_lock); |
| 2222 | phba->fc_flag &= ~FC_DISC_TMO; |
| 2223 | spin_unlock_irq(phba->host->host_lock); |
| 2224 | |
| 2225 | switch (phba->hba_state) { |
| 2226 | |
| 2227 | case LPFC_LOCAL_CFG_LINK: |
| 2228 | /* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */ |
| 2229 | /* FAN timeout */ |
| 2230 | lpfc_printf_log(phba, |
| 2231 | KERN_WARNING, |
| 2232 | LOG_DISCOVERY, |
| 2233 | "%d:0221 FAN timeout\n", |
| 2234 | phba->brd_no); |
| 2235 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2236 | /* Start discovery by sending FLOGI, clean up old rpis */ |
| 2237 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, |
| 2238 | nlp_listp) { |
| 2239 | if (ndlp->nlp_type & NLP_FABRIC) { |
| 2240 | /* Clean up the ndlp on Fabric connections */ |
| 2241 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 2242 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2243 | /* Fail outstanding IO now since device |
| 2244 | * is marked for PLOGI. |
| 2245 | */ |
| 2246 | lpfc_unreg_rpi(phba, ndlp); |
| 2247 | } |
| 2248 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2249 | phba->hba_state = LPFC_FLOGI; |
| 2250 | lpfc_set_disctmo(phba); |
| 2251 | lpfc_initial_flogi(phba); |
| 2252 | break; |
| 2253 | |
| 2254 | case LPFC_FLOGI: |
| 2255 | /* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ |
| 2256 | /* Initial FLOGI timeout */ |
| 2257 | lpfc_printf_log(phba, |
| 2258 | KERN_ERR, |
| 2259 | LOG_DISCOVERY, |
| 2260 | "%d:0222 Initial FLOGI timeout\n", |
| 2261 | phba->brd_no); |
| 2262 | |
| 2263 | /* Assume no Fabric and go on with discovery. |
| 2264 | * Check for outstanding ELS FLOGI to abort. |
| 2265 | */ |
| 2266 | |
| 2267 | /* FLOGI failed, so just use loop map to make discovery list */ |
| 2268 | lpfc_disc_list_loopmap(phba); |
| 2269 | |
| 2270 | /* Start discovery */ |
| 2271 | lpfc_disc_start(phba); |
| 2272 | break; |
| 2273 | |
| 2274 | case LPFC_FABRIC_CFG_LINK: |
| 2275 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for |
| 2276 | NameServer login */ |
| 2277 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| 2278 | "%d:0223 Timeout while waiting for NameServer " |
| 2279 | "login\n", phba->brd_no); |
| 2280 | |
| 2281 | /* Next look for NameServer ndlp */ |
| 2282 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID); |
| 2283 | if (ndlp) |
| 2284 | lpfc_nlp_remove(phba, ndlp); |
| 2285 | /* Start discovery */ |
| 2286 | lpfc_disc_start(phba); |
| 2287 | break; |
| 2288 | |
| 2289 | case LPFC_NS_QRY: |
| 2290 | /* Check for wait for NameServer Rsp timeout */ |
| 2291 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| 2292 | "%d:0224 NameServer Query timeout " |
| 2293 | "Data: x%x x%x\n", |
| 2294 | phba->brd_no, |
| 2295 | phba->fc_ns_retry, LPFC_MAX_NS_RETRY); |
| 2296 | |
| 2297 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, |
| 2298 | NameServer_DID); |
| 2299 | if (ndlp) { |
| 2300 | if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) { |
| 2301 | /* Try it one more time */ |
| 2302 | rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT); |
| 2303 | if (rc == 0) |
| 2304 | break; |
| 2305 | } |
| 2306 | phba->fc_ns_retry = 0; |
| 2307 | } |
| 2308 | |
| 2309 | /* Nothing to authenticate, so CLEAR_LA right now */ |
| 2310 | clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 2311 | if (!clearlambox) { |
| 2312 | clrlaerr = 1; |
| 2313 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| 2314 | "%d:0226 Device Discovery " |
| 2315 | "completion error\n", |
| 2316 | phba->brd_no); |
| 2317 | phba->hba_state = LPFC_HBA_ERROR; |
| 2318 | break; |
| 2319 | } |
| 2320 | |
| 2321 | phba->hba_state = LPFC_CLEAR_LA; |
| 2322 | lpfc_clear_la(phba, clearlambox); |
| 2323 | clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; |
| 2324 | rc = lpfc_sli_issue_mbox(phba, clearlambox, |
| 2325 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
| 2326 | if (rc == MBX_NOT_FINISHED) { |
| 2327 | mempool_free(clearlambox, phba->mbox_mem_pool); |
| 2328 | clrlaerr = 1; |
| 2329 | break; |
| 2330 | } |
| 2331 | |
| 2332 | /* Setup and issue mailbox INITIALIZE LINK command */ |
| 2333 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 2334 | if (!initlinkmbox) { |
| 2335 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| 2336 | "%d:0226 Device Discovery " |
| 2337 | "completion error\n", |
| 2338 | phba->brd_no); |
| 2339 | phba->hba_state = LPFC_HBA_ERROR; |
| 2340 | break; |
| 2341 | } |
| 2342 | |
| 2343 | lpfc_linkdown(phba); |
| 2344 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, |
| 2345 | phba->cfg_link_speed); |
| 2346 | initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0; |
| 2347 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, |
| 2348 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
| 2349 | if (rc == MBX_NOT_FINISHED) |
| 2350 | mempool_free(initlinkmbox, phba->mbox_mem_pool); |
| 2351 | |
| 2352 | break; |
| 2353 | |
| 2354 | case LPFC_DISC_AUTH: |
| 2355 | /* Node Authentication timeout */ |
| 2356 | lpfc_printf_log(phba, |
| 2357 | KERN_ERR, |
| 2358 | LOG_DISCOVERY, |
| 2359 | "%d:0227 Node Authentication timeout\n", |
| 2360 | phba->brd_no); |
| 2361 | lpfc_disc_flush_list(phba); |
| 2362 | clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 2363 | if (!clearlambox) { |
| 2364 | clrlaerr = 1; |
| 2365 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| 2366 | "%d:0226 Device Discovery " |
| 2367 | "completion error\n", |
| 2368 | phba->brd_no); |
| 2369 | phba->hba_state = LPFC_HBA_ERROR; |
| 2370 | break; |
| 2371 | } |
| 2372 | phba->hba_state = LPFC_CLEAR_LA; |
| 2373 | lpfc_clear_la(phba, clearlambox); |
| 2374 | clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; |
| 2375 | rc = lpfc_sli_issue_mbox(phba, clearlambox, |
| 2376 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
| 2377 | if (rc == MBX_NOT_FINISHED) { |
| 2378 | mempool_free(clearlambox, phba->mbox_mem_pool); |
| 2379 | clrlaerr = 1; |
| 2380 | } |
| 2381 | break; |
| 2382 | |
| 2383 | case LPFC_CLEAR_LA: |
| 2384 | /* CLEAR LA timeout */ |
| 2385 | lpfc_printf_log(phba, |
| 2386 | KERN_ERR, |
| 2387 | LOG_DISCOVERY, |
| 2388 | "%d:0228 CLEAR LA timeout\n", |
| 2389 | phba->brd_no); |
| 2390 | clrlaerr = 1; |
| 2391 | break; |
| 2392 | |
| 2393 | case LPFC_HBA_READY: |
| 2394 | if (phba->fc_flag & FC_RSCN_MODE) { |
| 2395 | lpfc_printf_log(phba, |
| 2396 | KERN_ERR, |
| 2397 | LOG_DISCOVERY, |
| 2398 | "%d:0231 RSCN timeout Data: x%x x%x\n", |
| 2399 | phba->brd_no, |
| 2400 | phba->fc_ns_retry, LPFC_MAX_NS_RETRY); |
| 2401 | |
| 2402 | /* Cleanup any outstanding ELS commands */ |
| 2403 | lpfc_els_flush_cmd(phba); |
| 2404 | |
| 2405 | lpfc_els_flush_rscn(phba); |
| 2406 | lpfc_disc_flush_list(phba); |
| 2407 | } |
| 2408 | break; |
| 2409 | } |
| 2410 | |
| 2411 | if (clrlaerr) { |
| 2412 | lpfc_disc_flush_list(phba); |
| 2413 | psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
| 2414 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
| 2415 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
| 2416 | phba->hba_state = LPFC_HBA_READY; |
| 2417 | } |
| 2418 | |
| 2419 | return; |
| 2420 | } |
| 2421 | |
| 2422 | static void |
| 2423 | lpfc_nodev_timeout(unsigned long ptr) |
| 2424 | { |
| 2425 | struct lpfc_hba *phba; |
| 2426 | struct lpfc_nodelist *ndlp; |
| 2427 | unsigned long iflag; |
| 2428 | struct lpfc_work_evt *evtp; |
| 2429 | |
| 2430 | ndlp = (struct lpfc_nodelist *)ptr; |
| 2431 | phba = ndlp->nlp_phba; |
| 2432 | evtp = &ndlp->nodev_timeout_evt; |
| 2433 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 2434 | |
| 2435 | if (!list_empty(&evtp->evt_listp)) { |
| 2436 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 2437 | return; |
| 2438 | } |
| 2439 | evtp->evt_arg1 = ndlp; |
| 2440 | evtp->evt = LPFC_EVT_NODEV_TMO; |
| 2441 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
| 2442 | if (phba->work_wait) |
| 2443 | wake_up(phba->work_wait); |
| 2444 | |
| 2445 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 2446 | return; |
| 2447 | } |
| 2448 | |
| 2449 | |
| 2450 | /* |
| 2451 | * This routine handles processing a NameServer REG_LOGIN mailbox |
| 2452 | * command upon completion. It is setup in the LPFC_MBOXQ |
| 2453 | * as the completion routine when the command is |
| 2454 | * handed off to the SLI layer. |
| 2455 | */ |
| 2456 | void |
| 2457 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| 2458 | { |
| 2459 | struct lpfc_sli *psli; |
| 2460 | MAILBOX_t *mb; |
| 2461 | struct lpfc_dmabuf *mp; |
| 2462 | struct lpfc_nodelist *ndlp; |
| 2463 | |
| 2464 | psli = &phba->sli; |
| 2465 | mb = &pmb->mb; |
| 2466 | |
| 2467 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
| 2468 | mp = (struct lpfc_dmabuf *) (pmb->context1); |
| 2469 | |
| 2470 | pmb->context1 = NULL; |
| 2471 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2472 | ndlp->nlp_rpi = mb->un.varWords[0]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2473 | ndlp->nlp_type |= NLP_FABRIC; |
| 2474 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
| 2475 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); |
| 2476 | |
| 2477 | /* Start issuing Fabric-Device Management Interface (FDMI) |
| 2478 | * command to 0xfffffa (FDMI well known port) |
| 2479 | */ |
| 2480 | if (phba->cfg_fdmi_on == 1) { |
| 2481 | lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA); |
| 2482 | } else { |
| 2483 | /* |
| 2484 | * Delay issuing FDMI command if fdmi-on=2 |
| 2485 | * (supporting RPA/hostnmae) |
| 2486 | */ |
| 2487 | mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60); |
| 2488 | } |
| 2489 | |
| 2490 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 2491 | kfree(mp); |
| 2492 | mempool_free( pmb, phba->mbox_mem_pool); |
| 2493 | |
| 2494 | return; |
| 2495 | } |
| 2496 | |
| 2497 | /* |
James.Smart@Emulex.Com | 21568f5 | 2005-10-28 20:29:36 -0400 | [diff] [blame] | 2498 | * This routine looks up the ndlp lists |
| 2499 | * for the given RPI. If rpi found |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2500 | * it return the node list pointer |
James.Smart@Emulex.Com | 21568f5 | 2005-10-28 20:29:36 -0400 | [diff] [blame] | 2501 | * else return NULL. |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2502 | */ |
| 2503 | struct lpfc_nodelist * |
| 2504 | lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi) |
| 2505 | { |
James.Smart@Emulex.Com | 21568f5 | 2005-10-28 20:29:36 -0400 | [diff] [blame] | 2506 | struct lpfc_nodelist *ndlp; |
| 2507 | struct list_head * lists[]={&phba->fc_nlpunmap_list, |
| 2508 | &phba->fc_nlpmap_list, |
| 2509 | &phba->fc_plogi_list, |
| 2510 | &phba->fc_adisc_list, |
| 2511 | &phba->fc_reglogin_list}; |
| 2512 | int i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2513 | |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 2514 | spin_lock_irq(phba->host->host_lock); |
James.Smart@Emulex.Com | 21568f5 | 2005-10-28 20:29:36 -0400 | [diff] [blame] | 2515 | for (i = 0; i < ARRAY_SIZE(lists); i++ ) |
| 2516 | list_for_each_entry(ndlp, lists[i], nlp_listp) |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 2517 | if (ndlp->nlp_rpi == rpi) { |
| 2518 | spin_unlock_irq(phba->host->host_lock); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 2519 | return ndlp; |
Jamie Wellnitz | 66a9ed6 | 2006-02-28 22:33:10 -0500 | [diff] [blame] | 2520 | } |
| 2521 | spin_unlock_irq(phba->host->host_lock); |
James.Smart@Emulex.Com | 21568f5 | 2005-10-28 20:29:36 -0400 | [diff] [blame] | 2522 | return NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2523 | } |
| 2524 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2525 | /* |
| 2526 | * This routine looks up the ndlp lists |
| 2527 | * for the given WWPN. If WWPN found |
| 2528 | * it return the node list pointer |
| 2529 | * else return NULL. |
| 2530 | */ |
| 2531 | struct lpfc_nodelist * |
| 2532 | lpfc_findnode_wwpn(struct lpfc_hba * phba, uint32_t order, |
| 2533 | struct lpfc_name * wwpn) |
| 2534 | { |
| 2535 | struct lpfc_nodelist *ndlp; |
| 2536 | struct list_head * lists[]={&phba->fc_nlpunmap_list, |
| 2537 | &phba->fc_nlpmap_list, |
| 2538 | &phba->fc_npr_list, |
| 2539 | &phba->fc_plogi_list, |
| 2540 | &phba->fc_adisc_list, |
| 2541 | &phba->fc_reglogin_list, |
| 2542 | &phba->fc_prli_list}; |
| 2543 | uint32_t search[]={NLP_SEARCH_UNMAPPED, |
| 2544 | NLP_SEARCH_MAPPED, |
| 2545 | NLP_SEARCH_NPR, |
| 2546 | NLP_SEARCH_PLOGI, |
| 2547 | NLP_SEARCH_ADISC, |
| 2548 | NLP_SEARCH_REGLOGIN, |
| 2549 | NLP_SEARCH_PRLI}; |
| 2550 | int i; |
| 2551 | |
| 2552 | spin_lock_irq(phba->host->host_lock); |
| 2553 | for (i = 0; i < ARRAY_SIZE(lists); i++ ) { |
| 2554 | if (!(order & search[i])) |
| 2555 | continue; |
| 2556 | list_for_each_entry(ndlp, lists[i], nlp_listp) { |
| 2557 | if (memcmp(&ndlp->nlp_portname, wwpn, |
| 2558 | sizeof(struct lpfc_name)) == 0) { |
| 2559 | spin_unlock_irq(phba->host->host_lock); |
| 2560 | return ndlp; |
| 2561 | } |
| 2562 | } |
| 2563 | } |
| 2564 | spin_unlock_irq(phba->host->host_lock); |
| 2565 | return NULL; |
| 2566 | } |
| 2567 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2568 | void |
| 2569 | lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, |
| 2570 | uint32_t did) |
| 2571 | { |
| 2572 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); |
| 2573 | INIT_LIST_HEAD(&ndlp->nodev_timeout_evt.evt_listp); |
| 2574 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); |
| 2575 | init_timer(&ndlp->nlp_tmofunc); |
| 2576 | ndlp->nlp_tmofunc.function = lpfc_nodev_timeout; |
| 2577 | ndlp->nlp_tmofunc.data = (unsigned long)ndlp; |
| 2578 | init_timer(&ndlp->nlp_delayfunc); |
| 2579 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; |
| 2580 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; |
| 2581 | ndlp->nlp_DID = did; |
| 2582 | ndlp->nlp_phba = phba; |
| 2583 | ndlp->nlp_sid = NLP_NO_SID; |
| 2584 | return; |
| 2585 | } |