| 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/interrupt.h> |
| 25 | #include <linux/delay.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_cmnd.h> |
| 29 | #include <scsi/scsi_device.h> |
| 30 | #include <scsi/scsi_host.h> |
James.Smart@Emulex.Com | f888ba3 | 2005-08-10 15:03:01 -0400 | [diff] [blame] | 31 | #include <scsi/scsi_transport_fc.h> |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 32 | |
| 33 | #include "lpfc_hw.h" |
| 34 | #include "lpfc_sli.h" |
| 35 | #include "lpfc_disc.h" |
| 36 | #include "lpfc_scsi.h" |
| 37 | #include "lpfc.h" |
| 38 | #include "lpfc_crtn.h" |
| 39 | #include "lpfc_logmsg.h" |
| 40 | #include "lpfc_compat.h" |
| 41 | |
| 42 | /* |
| 43 | * Define macro to log: Mailbox command x%x cannot issue Data |
| 44 | * This allows multiple uses of lpfc_msgBlk0311 |
| 45 | * w/o perturbing log msg utility. |
| 46 | */ |
| 47 | #define LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) \ |
| 48 | lpfc_printf_log(phba, \ |
| 49 | KERN_INFO, \ |
| 50 | LOG_MBOX | LOG_SLI, \ |
| 51 | "%d:0311 Mailbox command x%x cannot issue " \ |
| 52 | "Data: x%x x%x x%x\n", \ |
| 53 | phba->brd_no, \ |
| 54 | mb->mbxCommand, \ |
| 55 | phba->hba_state, \ |
| 56 | psli->sli_flag, \ |
| 57 | flag); |
| 58 | |
| 59 | |
| 60 | /* There are only four IOCB completion types. */ |
| 61 | typedef enum _lpfc_iocb_type { |
| 62 | LPFC_UNKNOWN_IOCB, |
| 63 | LPFC_UNSOL_IOCB, |
| 64 | LPFC_SOL_IOCB, |
| 65 | LPFC_ABORT_IOCB |
| 66 | } lpfc_iocb_type; |
| 67 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 68 | struct lpfc_iocbq * |
| 69 | lpfc_sli_get_iocbq(struct lpfc_hba * phba) |
| 70 | { |
| 71 | struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; |
| 72 | struct lpfc_iocbq * iocbq = NULL; |
| 73 | |
| 74 | list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list); |
| 75 | return iocbq; |
| 76 | } |
| 77 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 78 | void |
| 79 | lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocbq) |
| 80 | { |
| 81 | size_t start_clean = (size_t)(&((struct lpfc_iocbq *)NULL)->iocb); |
| 82 | |
| 83 | /* |
| 84 | * Clean all volatile data fields, preserve iotag and node struct. |
| 85 | */ |
| 86 | memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); |
| 87 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); |
| 88 | } |
| 89 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 90 | /* |
| 91 | * Translate the iocb command to an iocb command type used to decide the final |
| 92 | * disposition of each completed IOCB. |
| 93 | */ |
| 94 | static lpfc_iocb_type |
| 95 | lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) |
| 96 | { |
| 97 | lpfc_iocb_type type = LPFC_UNKNOWN_IOCB; |
| 98 | |
| 99 | if (iocb_cmnd > CMD_MAX_IOCB_CMD) |
| 100 | return 0; |
| 101 | |
| 102 | switch (iocb_cmnd) { |
| 103 | case CMD_XMIT_SEQUENCE_CR: |
| 104 | case CMD_XMIT_SEQUENCE_CX: |
| 105 | case CMD_XMIT_BCAST_CN: |
| 106 | case CMD_XMIT_BCAST_CX: |
| 107 | case CMD_ELS_REQUEST_CR: |
| 108 | case CMD_ELS_REQUEST_CX: |
| 109 | case CMD_CREATE_XRI_CR: |
| 110 | case CMD_CREATE_XRI_CX: |
| 111 | case CMD_GET_RPI_CN: |
| 112 | case CMD_XMIT_ELS_RSP_CX: |
| 113 | case CMD_GET_RPI_CR: |
| 114 | case CMD_FCP_IWRITE_CR: |
| 115 | case CMD_FCP_IWRITE_CX: |
| 116 | case CMD_FCP_IREAD_CR: |
| 117 | case CMD_FCP_IREAD_CX: |
| 118 | case CMD_FCP_ICMND_CR: |
| 119 | case CMD_FCP_ICMND_CX: |
James Smart | f560351 | 2006-12-02 13:35:43 -0500 | [diff] [blame] | 120 | case CMD_FCP_TSEND_CX: |
| 121 | case CMD_FCP_TRSP_CX: |
| 122 | case CMD_FCP_TRECEIVE_CX: |
| 123 | case CMD_FCP_AUTO_TRSP_CX: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 124 | case CMD_ADAPTER_MSG: |
| 125 | case CMD_ADAPTER_DUMP: |
| 126 | case CMD_XMIT_SEQUENCE64_CR: |
| 127 | case CMD_XMIT_SEQUENCE64_CX: |
| 128 | case CMD_XMIT_BCAST64_CN: |
| 129 | case CMD_XMIT_BCAST64_CX: |
| 130 | case CMD_ELS_REQUEST64_CR: |
| 131 | case CMD_ELS_REQUEST64_CX: |
| 132 | case CMD_FCP_IWRITE64_CR: |
| 133 | case CMD_FCP_IWRITE64_CX: |
| 134 | case CMD_FCP_IREAD64_CR: |
| 135 | case CMD_FCP_IREAD64_CX: |
| 136 | case CMD_FCP_ICMND64_CR: |
| 137 | case CMD_FCP_ICMND64_CX: |
James Smart | f560351 | 2006-12-02 13:35:43 -0500 | [diff] [blame] | 138 | case CMD_FCP_TSEND64_CX: |
| 139 | case CMD_FCP_TRSP64_CX: |
| 140 | case CMD_FCP_TRECEIVE64_CX: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 141 | case CMD_GEN_REQUEST64_CR: |
| 142 | case CMD_GEN_REQUEST64_CX: |
| 143 | case CMD_XMIT_ELS_RSP64_CX: |
| 144 | type = LPFC_SOL_IOCB; |
| 145 | break; |
| 146 | case CMD_ABORT_XRI_CN: |
| 147 | case CMD_ABORT_XRI_CX: |
| 148 | case CMD_CLOSE_XRI_CN: |
| 149 | case CMD_CLOSE_XRI_CX: |
| 150 | case CMD_XRI_ABORTED_CX: |
| 151 | case CMD_ABORT_MXRI64_CN: |
| 152 | type = LPFC_ABORT_IOCB; |
| 153 | break; |
| 154 | case CMD_RCV_SEQUENCE_CX: |
| 155 | case CMD_RCV_ELS_REQ_CX: |
| 156 | case CMD_RCV_SEQUENCE64_CX: |
| 157 | case CMD_RCV_ELS_REQ64_CX: |
| 158 | type = LPFC_UNSOL_IOCB; |
| 159 | break; |
| 160 | default: |
| 161 | type = LPFC_UNKNOWN_IOCB; |
| 162 | break; |
| 163 | } |
| 164 | |
| 165 | return type; |
| 166 | } |
| 167 | |
| 168 | static int |
| 169 | lpfc_sli_ring_map(struct lpfc_hba * phba, LPFC_MBOXQ_t *pmb) |
| 170 | { |
| 171 | struct lpfc_sli *psli = &phba->sli; |
| 172 | MAILBOX_t *pmbox = &pmb->mb; |
| 173 | int i, rc; |
| 174 | |
| 175 | for (i = 0; i < psli->num_rings; i++) { |
| 176 | phba->hba_state = LPFC_INIT_MBX_CMDS; |
| 177 | lpfc_config_ring(phba, i, pmb); |
| 178 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
| 179 | if (rc != MBX_SUCCESS) { |
| 180 | lpfc_printf_log(phba, |
| 181 | KERN_ERR, |
| 182 | LOG_INIT, |
| 183 | "%d:0446 Adapter failed to init, " |
| 184 | "mbxCmd x%x CFG_RING, mbxStatus x%x, " |
| 185 | "ring %d\n", |
| 186 | phba->brd_no, |
| 187 | pmbox->mbxCommand, |
| 188 | pmbox->mbxStatus, |
| 189 | i); |
| 190 | phba->hba_state = LPFC_HBA_ERROR; |
| 191 | return -ENXIO; |
| 192 | } |
| 193 | } |
| 194 | return 0; |
| 195 | } |
| 196 | |
| 197 | static int |
| 198 | lpfc_sli_ringtxcmpl_put(struct lpfc_hba * phba, |
| 199 | struct lpfc_sli_ring * pring, struct lpfc_iocbq * piocb) |
| 200 | { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 201 | list_add_tail(&piocb->list, &pring->txcmplq); |
| 202 | pring->txcmplq_cnt++; |
| 203 | if (unlikely(pring->ringno == LPFC_ELS_RING)) |
| 204 | mod_timer(&phba->els_tmofunc, |
| 205 | jiffies + HZ * (phba->fc_ratov << 1)); |
| 206 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 207 | return (0); |
| 208 | } |
| 209 | |
| 210 | static struct lpfc_iocbq * |
| 211 | lpfc_sli_ringtx_get(struct lpfc_hba * phba, struct lpfc_sli_ring * pring) |
| 212 | { |
| 213 | struct list_head *dlp; |
| 214 | struct lpfc_iocbq *cmd_iocb; |
| 215 | |
| 216 | dlp = &pring->txq; |
| 217 | cmd_iocb = NULL; |
| 218 | list_remove_head((&pring->txq), cmd_iocb, |
| 219 | struct lpfc_iocbq, |
| 220 | list); |
| 221 | if (cmd_iocb) { |
| 222 | /* If the first ptr is not equal to the list header, |
| 223 | * deque the IOCBQ_t and return it. |
| 224 | */ |
| 225 | pring->txq_cnt--; |
| 226 | } |
| 227 | return (cmd_iocb); |
| 228 | } |
| 229 | |
| 230 | static IOCB_t * |
| 231 | lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
| 232 | { |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 233 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 234 | uint32_t max_cmd_idx = pring->numCiocb; |
| 235 | IOCB_t *iocb = NULL; |
| 236 | |
| 237 | if ((pring->next_cmdidx == pring->cmdidx) && |
| 238 | (++pring->next_cmdidx >= max_cmd_idx)) |
| 239 | pring->next_cmdidx = 0; |
| 240 | |
| 241 | if (unlikely(pring->local_getidx == pring->next_cmdidx)) { |
| 242 | |
| 243 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); |
| 244 | |
| 245 | if (unlikely(pring->local_getidx >= max_cmd_idx)) { |
| 246 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
| 247 | "%d:0315 Ring %d issue: portCmdGet %d " |
| 248 | "is bigger then cmd ring %d\n", |
| 249 | phba->brd_no, pring->ringno, |
| 250 | pring->local_getidx, max_cmd_idx); |
| 251 | |
| 252 | phba->hba_state = LPFC_HBA_ERROR; |
| 253 | /* |
| 254 | * All error attention handlers are posted to |
| 255 | * worker thread |
| 256 | */ |
| 257 | phba->work_ha |= HA_ERATT; |
| 258 | phba->work_hs = HS_FFER3; |
| 259 | if (phba->work_wait) |
| 260 | wake_up(phba->work_wait); |
| 261 | |
| 262 | return NULL; |
| 263 | } |
| 264 | |
| 265 | if (pring->local_getidx == pring->next_cmdidx) |
| 266 | return NULL; |
| 267 | } |
| 268 | |
| 269 | iocb = IOCB_ENTRY(pring->cmdringaddr, pring->cmdidx); |
| 270 | |
| 271 | return iocb; |
| 272 | } |
| 273 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 274 | uint16_t |
| 275 | lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocbq) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 276 | { |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 277 | struct lpfc_iocbq ** new_arr; |
| 278 | struct lpfc_iocbq ** old_arr; |
| 279 | size_t new_len; |
| 280 | struct lpfc_sli *psli = &phba->sli; |
| 281 | uint16_t iotag; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 282 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 283 | spin_lock_irq(phba->host->host_lock); |
| 284 | iotag = psli->last_iotag; |
| 285 | if(++iotag < psli->iocbq_lookup_len) { |
| 286 | psli->last_iotag = iotag; |
| 287 | psli->iocbq_lookup[iotag] = iocbq; |
| 288 | spin_unlock_irq(phba->host->host_lock); |
| 289 | iocbq->iotag = iotag; |
| 290 | return iotag; |
| 291 | } |
| 292 | else if (psli->iocbq_lookup_len < (0xffff |
| 293 | - LPFC_IOCBQ_LOOKUP_INCREMENT)) { |
| 294 | new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT; |
| 295 | spin_unlock_irq(phba->host->host_lock); |
| 296 | new_arr = kmalloc(new_len * sizeof (struct lpfc_iocbq *), |
| 297 | GFP_KERNEL); |
| 298 | if (new_arr) { |
| 299 | memset((char *)new_arr, 0, |
| 300 | new_len * sizeof (struct lpfc_iocbq *)); |
| 301 | spin_lock_irq(phba->host->host_lock); |
| 302 | old_arr = psli->iocbq_lookup; |
| 303 | if (new_len <= psli->iocbq_lookup_len) { |
| 304 | /* highly unprobable case */ |
| 305 | kfree(new_arr); |
| 306 | iotag = psli->last_iotag; |
| 307 | if(++iotag < psli->iocbq_lookup_len) { |
| 308 | psli->last_iotag = iotag; |
| 309 | psli->iocbq_lookup[iotag] = iocbq; |
| 310 | spin_unlock_irq(phba->host->host_lock); |
| 311 | iocbq->iotag = iotag; |
| 312 | return iotag; |
| 313 | } |
| 314 | spin_unlock_irq(phba->host->host_lock); |
| 315 | return 0; |
| 316 | } |
| 317 | if (psli->iocbq_lookup) |
| 318 | memcpy(new_arr, old_arr, |
| 319 | ((psli->last_iotag + 1) * |
| 320 | sizeof (struct lpfc_iocbq *))); |
| 321 | psli->iocbq_lookup = new_arr; |
| 322 | psli->iocbq_lookup_len = new_len; |
| 323 | psli->last_iotag = iotag; |
| 324 | psli->iocbq_lookup[iotag] = iocbq; |
| 325 | spin_unlock_irq(phba->host->host_lock); |
| 326 | iocbq->iotag = iotag; |
| 327 | kfree(old_arr); |
| 328 | return iotag; |
| 329 | } |
James Smart | 8f6d98d | 2006-08-01 07:34:00 -0400 | [diff] [blame] | 330 | } else |
| 331 | spin_unlock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 332 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 333 | lpfc_printf_log(phba, KERN_ERR,LOG_SLI, |
| 334 | "%d:0318 Failed to allocate IOTAG.last IOTAG is %d\n", |
| 335 | phba->brd_no, psli->last_iotag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 336 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 337 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | static void |
| 341 | lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 342 | IOCB_t *iocb, struct lpfc_iocbq *nextiocb) |
| 343 | { |
| 344 | /* |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 345 | * Set up an iotag |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 346 | */ |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 347 | nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 348 | |
| 349 | /* |
| 350 | * Issue iocb command to adapter |
| 351 | */ |
| 352 | lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, sizeof (IOCB_t)); |
| 353 | wmb(); |
| 354 | pring->stats.iocb_cmd++; |
| 355 | |
| 356 | /* |
| 357 | * If there is no completion routine to call, we can release the |
| 358 | * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF, |
| 359 | * that have no rsp ring completion, iocb_cmpl MUST be NULL. |
| 360 | */ |
| 361 | if (nextiocb->iocb_cmpl) |
| 362 | lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 363 | else |
| 364 | lpfc_sli_release_iocbq(phba, nextiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 365 | |
| 366 | /* |
| 367 | * Let the HBA know what IOCB slot will be the next one the |
| 368 | * driver will put a command into. |
| 369 | */ |
| 370 | pring->cmdidx = pring->next_cmdidx; |
James.Smart@Emulex.Com | f91b392 | 2005-10-28 20:29:28 -0400 | [diff] [blame] | 371 | writel(pring->cmdidx, phba->MBslimaddr |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 372 | + (SLIMOFF + (pring->ringno * 2)) * 4); |
| 373 | } |
| 374 | |
| 375 | static void |
| 376 | lpfc_sli_update_full_ring(struct lpfc_hba * phba, |
| 377 | struct lpfc_sli_ring *pring) |
| 378 | { |
| 379 | int ringno = pring->ringno; |
| 380 | |
| 381 | pring->flag |= LPFC_CALL_RING_AVAILABLE; |
| 382 | |
| 383 | wmb(); |
| 384 | |
| 385 | /* |
| 386 | * Set ring 'ringno' to SET R0CE_REQ in Chip Att register. |
| 387 | * The HBA will tell us when an IOCB entry is available. |
| 388 | */ |
| 389 | writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr); |
| 390 | readl(phba->CAregaddr); /* flush */ |
| 391 | |
| 392 | pring->stats.iocb_cmd_full++; |
| 393 | } |
| 394 | |
| 395 | static void |
| 396 | lpfc_sli_update_ring(struct lpfc_hba * phba, |
| 397 | struct lpfc_sli_ring *pring) |
| 398 | { |
| 399 | int ringno = pring->ringno; |
| 400 | |
| 401 | /* |
| 402 | * Tell the HBA that there is work to do in this ring. |
| 403 | */ |
| 404 | wmb(); |
| 405 | writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); |
| 406 | readl(phba->CAregaddr); /* flush */ |
| 407 | } |
| 408 | |
| 409 | static void |
| 410 | lpfc_sli_resume_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring) |
| 411 | { |
| 412 | IOCB_t *iocb; |
| 413 | struct lpfc_iocbq *nextiocb; |
| 414 | |
| 415 | /* |
| 416 | * Check to see if: |
| 417 | * (a) there is anything on the txq to send |
| 418 | * (b) link is up |
| 419 | * (c) link attention events can be processed (fcp ring only) |
| 420 | * (d) IOCB processing is not blocked by the outstanding mbox command. |
| 421 | */ |
| 422 | if (pring->txq_cnt && |
| 423 | (phba->hba_state > LPFC_LINK_DOWN) && |
| 424 | (pring->ringno != phba->sli.fcp_ring || |
| 425 | phba->sli.sli_flag & LPFC_PROCESS_LA) && |
| 426 | !(pring->flag & LPFC_STOP_IOCB_MBX)) { |
| 427 | |
| 428 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
| 429 | (nextiocb = lpfc_sli_ringtx_get(phba, pring))) |
| 430 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); |
| 431 | |
| 432 | if (iocb) |
| 433 | lpfc_sli_update_ring(phba, pring); |
| 434 | else |
| 435 | lpfc_sli_update_full_ring(phba, pring); |
| 436 | } |
| 437 | |
| 438 | return; |
| 439 | } |
| 440 | |
| 441 | /* lpfc_sli_turn_on_ring is only called by lpfc_sli_handle_mb_event below */ |
| 442 | static void |
| 443 | lpfc_sli_turn_on_ring(struct lpfc_hba * phba, int ringno) |
| 444 | { |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 445 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[ringno]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 446 | |
| 447 | /* If the ring is active, flag it */ |
| 448 | if (phba->sli.ring[ringno].cmdringaddr) { |
| 449 | if (phba->sli.ring[ringno].flag & LPFC_STOP_IOCB_MBX) { |
| 450 | phba->sli.ring[ringno].flag &= ~LPFC_STOP_IOCB_MBX; |
| 451 | /* |
| 452 | * Force update of the local copy of cmdGetInx |
| 453 | */ |
| 454 | phba->sli.ring[ringno].local_getidx |
| 455 | = le32_to_cpu(pgp->cmdGetInx); |
| 456 | spin_lock_irq(phba->host->host_lock); |
| 457 | lpfc_sli_resume_iocb(phba, &phba->sli.ring[ringno]); |
| 458 | spin_unlock_irq(phba->host->host_lock); |
| 459 | } |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | static int |
| 464 | lpfc_sli_chk_mbx_command(uint8_t mbxCommand) |
| 465 | { |
| 466 | uint8_t ret; |
| 467 | |
| 468 | switch (mbxCommand) { |
| 469 | case MBX_LOAD_SM: |
| 470 | case MBX_READ_NV: |
| 471 | case MBX_WRITE_NV: |
| 472 | case MBX_RUN_BIU_DIAG: |
| 473 | case MBX_INIT_LINK: |
| 474 | case MBX_DOWN_LINK: |
| 475 | case MBX_CONFIG_LINK: |
| 476 | case MBX_CONFIG_RING: |
| 477 | case MBX_RESET_RING: |
| 478 | case MBX_READ_CONFIG: |
| 479 | case MBX_READ_RCONFIG: |
| 480 | case MBX_READ_SPARM: |
| 481 | case MBX_READ_STATUS: |
| 482 | case MBX_READ_RPI: |
| 483 | case MBX_READ_XRI: |
| 484 | case MBX_READ_REV: |
| 485 | case MBX_READ_LNK_STAT: |
| 486 | case MBX_REG_LOGIN: |
| 487 | case MBX_UNREG_LOGIN: |
| 488 | case MBX_READ_LA: |
| 489 | case MBX_CLEAR_LA: |
| 490 | case MBX_DUMP_MEMORY: |
| 491 | case MBX_DUMP_CONTEXT: |
| 492 | case MBX_RUN_DIAGS: |
| 493 | case MBX_RESTART: |
| 494 | case MBX_UPDATE_CFG: |
| 495 | case MBX_DOWN_LOAD: |
| 496 | case MBX_DEL_LD_ENTRY: |
| 497 | case MBX_RUN_PROGRAM: |
| 498 | case MBX_SET_MASK: |
| 499 | case MBX_SET_SLIM: |
| 500 | case MBX_UNREG_D_ID: |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 501 | case MBX_KILL_BOARD: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 502 | case MBX_CONFIG_FARP: |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 503 | case MBX_BEACON: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 504 | case MBX_LOAD_AREA: |
| 505 | case MBX_RUN_BIU_DIAG64: |
| 506 | case MBX_CONFIG_PORT: |
| 507 | case MBX_READ_SPARM64: |
| 508 | case MBX_READ_RPI64: |
| 509 | case MBX_REG_LOGIN64: |
| 510 | case MBX_READ_LA64: |
| 511 | case MBX_FLASH_WR_ULA: |
| 512 | case MBX_SET_DEBUG: |
| 513 | case MBX_LOAD_EXP_ROM: |
| 514 | ret = mbxCommand; |
| 515 | break; |
| 516 | default: |
| 517 | ret = MBX_SHUTDOWN; |
| 518 | break; |
| 519 | } |
| 520 | return (ret); |
| 521 | } |
| 522 | static void |
| 523 | lpfc_sli_wake_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) |
| 524 | { |
| 525 | wait_queue_head_t *pdone_q; |
| 526 | |
| 527 | /* |
| 528 | * If pdone_q is empty, the driver thread gave up waiting and |
| 529 | * continued running. |
| 530 | */ |
| 531 | pdone_q = (wait_queue_head_t *) pmboxq->context1; |
| 532 | if (pdone_q) |
| 533 | wake_up_interruptible(pdone_q); |
| 534 | return; |
| 535 | } |
| 536 | |
| 537 | void |
| 538 | lpfc_sli_def_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| 539 | { |
| 540 | struct lpfc_dmabuf *mp; |
| 541 | mp = (struct lpfc_dmabuf *) (pmb->context1); |
| 542 | if (mp) { |
| 543 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 544 | kfree(mp); |
| 545 | } |
| 546 | mempool_free( pmb, phba->mbox_mem_pool); |
| 547 | return; |
| 548 | } |
| 549 | |
| 550 | int |
| 551 | lpfc_sli_handle_mb_event(struct lpfc_hba * phba) |
| 552 | { |
| 553 | MAILBOX_t *mbox; |
| 554 | MAILBOX_t *pmbox; |
| 555 | LPFC_MBOXQ_t *pmb; |
| 556 | struct lpfc_sli *psli; |
| 557 | int i, rc; |
| 558 | uint32_t process_next; |
| 559 | |
| 560 | psli = &phba->sli; |
| 561 | /* We should only get here if we are in SLI2 mode */ |
| 562 | if (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE)) { |
| 563 | return (1); |
| 564 | } |
| 565 | |
| 566 | phba->sli.slistat.mbox_event++; |
| 567 | |
| 568 | /* Get a Mailbox buffer to setup mailbox commands for callback */ |
| 569 | if ((pmb = phba->sli.mbox_active)) { |
| 570 | pmbox = &pmb->mb; |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 571 | mbox = &phba->slim2p->mbx; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 572 | |
| 573 | /* First check out the status word */ |
| 574 | lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof (uint32_t)); |
| 575 | |
| 576 | /* Sanity check to ensure the host owns the mailbox */ |
| 577 | if (pmbox->mbxOwner != OWN_HOST) { |
| 578 | /* Lets try for a while */ |
| 579 | for (i = 0; i < 10240; i++) { |
| 580 | /* First copy command data */ |
| 581 | lpfc_sli_pcimem_bcopy(mbox, pmbox, |
| 582 | sizeof (uint32_t)); |
| 583 | if (pmbox->mbxOwner == OWN_HOST) |
| 584 | goto mbout; |
| 585 | } |
| 586 | /* Stray Mailbox Interrupt, mbxCommand <cmd> mbxStatus |
| 587 | <status> */ |
| 588 | lpfc_printf_log(phba, |
James Smart | b4c0265 | 2006-07-06 15:50:43 -0400 | [diff] [blame] | 589 | KERN_WARNING, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 590 | LOG_MBOX | LOG_SLI, |
| 591 | "%d:0304 Stray Mailbox Interrupt " |
| 592 | "mbxCommand x%x mbxStatus x%x\n", |
| 593 | phba->brd_no, |
| 594 | pmbox->mbxCommand, |
| 595 | pmbox->mbxStatus); |
| 596 | |
| 597 | spin_lock_irq(phba->host->host_lock); |
| 598 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
| 599 | spin_unlock_irq(phba->host->host_lock); |
| 600 | return (1); |
| 601 | } |
| 602 | |
| 603 | mbout: |
| 604 | del_timer_sync(&phba->sli.mbox_tmo); |
| 605 | phba->work_hba_events &= ~WORKER_MBOX_TMO; |
| 606 | |
| 607 | /* |
| 608 | * It is a fatal error if unknown mbox command completion. |
| 609 | */ |
| 610 | if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) == |
| 611 | MBX_SHUTDOWN) { |
| 612 | |
| 613 | /* Unknow mailbox command compl */ |
| 614 | lpfc_printf_log(phba, |
| 615 | KERN_ERR, |
| 616 | LOG_MBOX | LOG_SLI, |
| 617 | "%d:0323 Unknown Mailbox command %x Cmpl\n", |
| 618 | phba->brd_no, |
| 619 | pmbox->mbxCommand); |
| 620 | phba->hba_state = LPFC_HBA_ERROR; |
| 621 | phba->work_hs = HS_FFER3; |
| 622 | lpfc_handle_eratt(phba); |
| 623 | return (0); |
| 624 | } |
| 625 | |
| 626 | phba->sli.mbox_active = NULL; |
| 627 | if (pmbox->mbxStatus) { |
| 628 | phba->sli.slistat.mbox_stat_err++; |
| 629 | if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) { |
| 630 | /* Mbox cmd cmpl error - RETRYing */ |
| 631 | lpfc_printf_log(phba, |
| 632 | KERN_INFO, |
| 633 | LOG_MBOX | LOG_SLI, |
| 634 | "%d:0305 Mbox cmd cmpl error - " |
| 635 | "RETRYing Data: x%x x%x x%x x%x\n", |
| 636 | phba->brd_no, |
| 637 | pmbox->mbxCommand, |
| 638 | pmbox->mbxStatus, |
| 639 | pmbox->un.varWords[0], |
| 640 | phba->hba_state); |
| 641 | pmbox->mbxStatus = 0; |
| 642 | pmbox->mbxOwner = OWN_HOST; |
| 643 | spin_lock_irq(phba->host->host_lock); |
| 644 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 645 | spin_unlock_irq(phba->host->host_lock); |
| 646 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
| 647 | if (rc == MBX_SUCCESS) |
| 648 | return (0); |
| 649 | } |
| 650 | } |
| 651 | |
| 652 | /* Mailbox cmd <cmd> Cmpl <cmpl> */ |
| 653 | lpfc_printf_log(phba, |
| 654 | KERN_INFO, |
| 655 | LOG_MBOX | LOG_SLI, |
| 656 | "%d:0307 Mailbox cmd x%x Cmpl x%p " |
| 657 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x\n", |
| 658 | phba->brd_no, |
| 659 | pmbox->mbxCommand, |
| 660 | pmb->mbox_cmpl, |
| 661 | *((uint32_t *) pmbox), |
| 662 | pmbox->un.varWords[0], |
| 663 | pmbox->un.varWords[1], |
| 664 | pmbox->un.varWords[2], |
| 665 | pmbox->un.varWords[3], |
| 666 | pmbox->un.varWords[4], |
| 667 | pmbox->un.varWords[5], |
| 668 | pmbox->un.varWords[6], |
| 669 | pmbox->un.varWords[7]); |
| 670 | |
| 671 | if (pmb->mbox_cmpl) { |
| 672 | lpfc_sli_pcimem_bcopy(mbox, pmbox, MAILBOX_CMD_SIZE); |
| 673 | pmb->mbox_cmpl(phba,pmb); |
| 674 | } |
| 675 | } |
| 676 | |
| 677 | |
| 678 | do { |
| 679 | process_next = 0; /* by default don't loop */ |
| 680 | spin_lock_irq(phba->host->host_lock); |
| 681 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 682 | |
| 683 | /* Process next mailbox command if there is one */ |
| 684 | if ((pmb = lpfc_mbox_get(phba))) { |
| 685 | spin_unlock_irq(phba->host->host_lock); |
| 686 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
| 687 | if (rc == MBX_NOT_FINISHED) { |
| 688 | pmb->mb.mbxStatus = MBX_NOT_FINISHED; |
| 689 | pmb->mbox_cmpl(phba,pmb); |
| 690 | process_next = 1; |
| 691 | continue; /* loop back */ |
| 692 | } |
| 693 | } else { |
| 694 | spin_unlock_irq(phba->host->host_lock); |
| 695 | /* Turn on IOCB processing */ |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 696 | for (i = 0; i < phba->sli.num_rings; i++) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 697 | lpfc_sli_turn_on_ring(phba, i); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 698 | } |
| 699 | |
| 700 | } while (process_next); |
| 701 | |
| 702 | return (0); |
| 703 | } |
| 704 | static int |
| 705 | lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 706 | struct lpfc_iocbq *saveq) |
| 707 | { |
| 708 | IOCB_t * irsp; |
| 709 | WORD5 * w5p; |
| 710 | uint32_t Rctl, Type; |
| 711 | uint32_t match, i; |
| 712 | |
| 713 | match = 0; |
| 714 | irsp = &(saveq->iocb); |
| 715 | if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) |
| 716 | || (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX)) { |
| 717 | Rctl = FC_ELS_REQ; |
| 718 | Type = FC_ELS_DATA; |
| 719 | } else { |
| 720 | w5p = |
| 721 | (WORD5 *) & (saveq->iocb.un. |
| 722 | ulpWord[5]); |
| 723 | Rctl = w5p->hcsw.Rctl; |
| 724 | Type = w5p->hcsw.Type; |
| 725 | |
| 726 | /* Firmware Workaround */ |
| 727 | if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) && |
| 728 | (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX)) { |
| 729 | Rctl = FC_ELS_REQ; |
| 730 | Type = FC_ELS_DATA; |
| 731 | w5p->hcsw.Rctl = Rctl; |
| 732 | w5p->hcsw.Type = Type; |
| 733 | } |
| 734 | } |
| 735 | /* unSolicited Responses */ |
| 736 | if (pring->prt[0].profile) { |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 737 | if (pring->prt[0].lpfc_sli_rcv_unsol_event) |
| 738 | (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring, |
| 739 | saveq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 740 | match = 1; |
| 741 | } else { |
| 742 | /* We must search, based on rctl / type |
| 743 | for the right routine */ |
| 744 | for (i = 0; i < pring->num_mask; |
| 745 | i++) { |
| 746 | if ((pring->prt[i].rctl == |
| 747 | Rctl) |
| 748 | && (pring->prt[i]. |
| 749 | type == Type)) { |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 750 | if (pring->prt[i].lpfc_sli_rcv_unsol_event) |
| 751 | (pring->prt[i].lpfc_sli_rcv_unsol_event) |
| 752 | (phba, pring, saveq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 753 | match = 1; |
| 754 | break; |
| 755 | } |
| 756 | } |
| 757 | } |
| 758 | if (match == 0) { |
| 759 | /* Unexpected Rctl / Type received */ |
| 760 | /* Ring <ringno> handler: unexpected |
| 761 | Rctl <Rctl> Type <Type> received */ |
| 762 | lpfc_printf_log(phba, |
| 763 | KERN_WARNING, |
| 764 | LOG_SLI, |
| 765 | "%d:0313 Ring %d handler: unexpected Rctl x%x " |
| 766 | "Type x%x received \n", |
| 767 | phba->brd_no, |
| 768 | pring->ringno, |
| 769 | Rctl, |
| 770 | Type); |
| 771 | } |
| 772 | return(1); |
| 773 | } |
| 774 | |
| 775 | static struct lpfc_iocbq * |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 776 | lpfc_sli_iocbq_lookup(struct lpfc_hba * phba, |
| 777 | struct lpfc_sli_ring * pring, |
| 778 | struct lpfc_iocbq * prspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 779 | { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 780 | struct lpfc_iocbq *cmd_iocb = NULL; |
| 781 | uint16_t iotag; |
| 782 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 783 | iotag = prspiocb->iocb.ulpIoTag; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 784 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 785 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { |
| 786 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; |
| 787 | list_del(&cmd_iocb->list); |
| 788 | pring->txcmplq_cnt--; |
| 789 | return cmd_iocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 790 | } |
| 791 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 792 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 793 | "%d:0317 iotag x%x is out off " |
| 794 | "range: max iotag x%x wd0 x%x\n", |
| 795 | phba->brd_no, iotag, |
| 796 | phba->sli.last_iotag, |
| 797 | *(((uint32_t *) &prspiocb->iocb) + 7)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 798 | return NULL; |
| 799 | } |
| 800 | |
| 801 | static int |
| 802 | lpfc_sli_process_sol_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, |
| 803 | struct lpfc_iocbq *saveq) |
| 804 | { |
| 805 | struct lpfc_iocbq * cmdiocbp; |
| 806 | int rc = 1; |
| 807 | unsigned long iflag; |
| 808 | |
| 809 | /* Based on the iotag field, get the cmd IOCB from the txcmplq */ |
| 810 | spin_lock_irqsave(phba->host->host_lock, iflag); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 811 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 812 | if (cmdiocbp) { |
| 813 | if (cmdiocbp->iocb_cmpl) { |
| 814 | /* |
| 815 | * Post all ELS completions to the worker thread. |
| 816 | * All other are passed to the completion callback. |
| 817 | */ |
| 818 | if (pring->ringno == LPFC_ELS_RING) { |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame^] | 819 | if (cmdiocbp->iocb_flag & LPFC_DRIVER_ABORTED) { |
| 820 | cmdiocbp->iocb_flag &= |
| 821 | ~LPFC_DRIVER_ABORTED; |
| 822 | saveq->iocb.ulpStatus = |
| 823 | IOSTAT_LOCAL_REJECT; |
| 824 | saveq->iocb.un.ulpWord[4] = |
| 825 | IOERR_SLI_ABORTED; |
| 826 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 827 | spin_unlock_irqrestore(phba->host->host_lock, |
| 828 | iflag); |
| 829 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); |
| 830 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 831 | } |
| 832 | else { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 833 | spin_unlock_irqrestore(phba->host->host_lock, |
| 834 | iflag); |
| 835 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); |
| 836 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 837 | } |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 838 | } else |
| 839 | lpfc_sli_release_iocbq(phba, cmdiocbp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 840 | } else { |
| 841 | /* |
| 842 | * Unknown initiating command based on the response iotag. |
| 843 | * This could be the case on the ELS ring because of |
| 844 | * lpfc_els_abort(). |
| 845 | */ |
| 846 | if (pring->ringno != LPFC_ELS_RING) { |
| 847 | /* |
| 848 | * Ring <ringno> handler: unexpected completion IoTag |
| 849 | * <IoTag> |
| 850 | */ |
| 851 | lpfc_printf_log(phba, |
| 852 | KERN_WARNING, |
| 853 | LOG_SLI, |
| 854 | "%d:0322 Ring %d handler: unexpected " |
| 855 | "completion IoTag x%x Data: x%x x%x x%x x%x\n", |
| 856 | phba->brd_no, |
| 857 | pring->ringno, |
| 858 | saveq->iocb.ulpIoTag, |
| 859 | saveq->iocb.ulpStatus, |
| 860 | saveq->iocb.un.ulpWord[4], |
| 861 | saveq->iocb.ulpCommand, |
| 862 | saveq->iocb.ulpContext); |
| 863 | } |
| 864 | } |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 865 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 866 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 867 | return rc; |
| 868 | } |
| 869 | |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 870 | static void lpfc_sli_rsp_pointers_error(struct lpfc_hba * phba, |
| 871 | struct lpfc_sli_ring * pring) |
| 872 | { |
| 873 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
| 874 | /* |
| 875 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger then |
| 876 | * rsp ring <portRspMax> |
| 877 | */ |
| 878 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
| 879 | "%d:0312 Ring %d handler: portRspPut %d " |
| 880 | "is bigger then rsp ring %d\n", |
| 881 | phba->brd_no, pring->ringno, |
| 882 | le32_to_cpu(pgp->rspPutInx), |
| 883 | pring->numRiocb); |
| 884 | |
| 885 | phba->hba_state = LPFC_HBA_ERROR; |
| 886 | |
| 887 | /* |
| 888 | * All error attention handlers are posted to |
| 889 | * worker thread |
| 890 | */ |
| 891 | phba->work_ha |= HA_ERATT; |
| 892 | phba->work_hs = HS_FFER3; |
| 893 | if (phba->work_wait) |
| 894 | wake_up(phba->work_wait); |
| 895 | |
| 896 | return; |
| 897 | } |
| 898 | |
| 899 | void lpfc_sli_poll_fcp_ring(struct lpfc_hba * phba) |
| 900 | { |
| 901 | struct lpfc_sli * psli = &phba->sli; |
| 902 | struct lpfc_sli_ring * pring = &psli->ring[LPFC_FCP_RING]; |
| 903 | IOCB_t *irsp = NULL; |
| 904 | IOCB_t *entry = NULL; |
| 905 | struct lpfc_iocbq *cmdiocbq = NULL; |
| 906 | struct lpfc_iocbq rspiocbq; |
| 907 | struct lpfc_pgp *pgp; |
| 908 | uint32_t status; |
| 909 | uint32_t portRspPut, portRspMax; |
| 910 | int type; |
| 911 | uint32_t rsp_cmpl = 0; |
| 912 | void __iomem *to_slim; |
| 913 | uint32_t ha_copy; |
| 914 | |
| 915 | pring->stats.iocb_event++; |
| 916 | |
| 917 | /* The driver assumes SLI-2 mode */ |
| 918 | pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
| 919 | |
| 920 | /* |
| 921 | * The next available response entry should never exceed the maximum |
| 922 | * entries. If it does, treat it as an adapter hardware error. |
| 923 | */ |
| 924 | portRspMax = pring->numRiocb; |
| 925 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 926 | if (unlikely(portRspPut >= portRspMax)) { |
| 927 | lpfc_sli_rsp_pointers_error(phba, pring); |
| 928 | return; |
| 929 | } |
| 930 | |
| 931 | rmb(); |
| 932 | while (pring->rspidx != portRspPut) { |
| 933 | |
| 934 | entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx); |
| 935 | |
| 936 | if (++pring->rspidx >= portRspMax) |
| 937 | pring->rspidx = 0; |
| 938 | |
| 939 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
| 940 | (uint32_t *) &rspiocbq.iocb, |
| 941 | sizeof (IOCB_t)); |
| 942 | irsp = &rspiocbq.iocb; |
| 943 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
| 944 | pring->stats.iocb_rsp++; |
| 945 | rsp_cmpl++; |
| 946 | |
| 947 | if (unlikely(irsp->ulpStatus)) { |
| 948 | /* Rsp ring <ringno> error: IOCB */ |
| 949 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
| 950 | "%d:0326 Rsp Ring %d error: IOCB Data: " |
| 951 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
| 952 | phba->brd_no, pring->ringno, |
| 953 | irsp->un.ulpWord[0], |
| 954 | irsp->un.ulpWord[1], |
| 955 | irsp->un.ulpWord[2], |
| 956 | irsp->un.ulpWord[3], |
| 957 | irsp->un.ulpWord[4], |
| 958 | irsp->un.ulpWord[5], |
| 959 | *(((uint32_t *) irsp) + 6), |
| 960 | *(((uint32_t *) irsp) + 7)); |
| 961 | } |
| 962 | |
| 963 | switch (type) { |
| 964 | case LPFC_ABORT_IOCB: |
| 965 | case LPFC_SOL_IOCB: |
| 966 | /* |
| 967 | * Idle exchange closed via ABTS from port. No iocb |
| 968 | * resources need to be recovered. |
| 969 | */ |
| 970 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 971 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
| 972 | "%d:0314 IOCB cmd 0x%x" |
| 973 | " processed. Skipping" |
| 974 | " completion", phba->brd_no, |
| 975 | irsp->ulpCommand); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 976 | break; |
| 977 | } |
| 978 | |
| 979 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
| 980 | &rspiocbq); |
| 981 | if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { |
| 982 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, |
| 983 | &rspiocbq); |
| 984 | } |
| 985 | break; |
| 986 | default: |
| 987 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { |
| 988 | char adaptermsg[LPFC_MAX_ADPTMSG]; |
| 989 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); |
| 990 | memcpy(&adaptermsg[0], (uint8_t *) irsp, |
| 991 | MAX_MSG_DATA); |
| 992 | dev_warn(&((phba->pcidev)->dev), "lpfc%d: %s", |
| 993 | phba->brd_no, adaptermsg); |
| 994 | } else { |
| 995 | /* Unknown IOCB command */ |
| 996 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
| 997 | "%d:0321 Unknown IOCB command " |
| 998 | "Data: x%x, x%x x%x x%x x%x\n", |
| 999 | phba->brd_no, type, |
| 1000 | irsp->ulpCommand, |
| 1001 | irsp->ulpStatus, |
| 1002 | irsp->ulpIoTag, |
| 1003 | irsp->ulpContext); |
| 1004 | } |
| 1005 | break; |
| 1006 | } |
| 1007 | |
| 1008 | /* |
| 1009 | * The response IOCB has been processed. Update the ring |
| 1010 | * pointer in SLIM. If the port response put pointer has not |
| 1011 | * been updated, sync the pgp->rspPutInx and fetch the new port |
| 1012 | * response put pointer. |
| 1013 | */ |
| 1014 | to_slim = phba->MBslimaddr + |
| 1015 | (SLIMOFF + (pring->ringno * 2) + 1) * 4; |
| 1016 | writeb(pring->rspidx, to_slim); |
| 1017 | |
| 1018 | if (pring->rspidx == portRspPut) |
| 1019 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1020 | } |
| 1021 | |
| 1022 | ha_copy = readl(phba->HAregaddr); |
| 1023 | ha_copy >>= (LPFC_FCP_RING * 4); |
| 1024 | |
| 1025 | if ((rsp_cmpl > 0) && (ha_copy & HA_R0RE_REQ)) { |
| 1026 | pring->stats.iocb_rsp_full++; |
| 1027 | status = ((CA_R0ATT | CA_R0RE_RSP) << (LPFC_FCP_RING * 4)); |
| 1028 | writel(status, phba->CAregaddr); |
| 1029 | readl(phba->CAregaddr); |
| 1030 | } |
| 1031 | if ((ha_copy & HA_R0CE_RSP) && |
| 1032 | (pring->flag & LPFC_CALL_RING_AVAILABLE)) { |
| 1033 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; |
| 1034 | pring->stats.iocb_cmd_empty++; |
| 1035 | |
| 1036 | /* Force update of the local copy of cmdGetInx */ |
| 1037 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); |
| 1038 | lpfc_sli_resume_iocb(phba, pring); |
| 1039 | |
| 1040 | if ((pring->lpfc_sli_cmd_available)) |
| 1041 | (pring->lpfc_sli_cmd_available) (phba, pring); |
| 1042 | |
| 1043 | } |
| 1044 | |
| 1045 | return; |
| 1046 | } |
| 1047 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1048 | /* |
| 1049 | * This routine presumes LPFC_FCP_RING handling and doesn't bother |
| 1050 | * to check it explicitly. |
| 1051 | */ |
| 1052 | static int |
| 1053 | lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba, |
| 1054 | struct lpfc_sli_ring * pring, uint32_t mask) |
| 1055 | { |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 1056 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1057 | IOCB_t *irsp = NULL; |
James.Smart@Emulex.Com | 87f6eaf | 2005-06-25 10:34:13 -0400 | [diff] [blame] | 1058 | IOCB_t *entry = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1059 | struct lpfc_iocbq *cmdiocbq = NULL; |
| 1060 | struct lpfc_iocbq rspiocbq; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1061 | uint32_t status; |
| 1062 | uint32_t portRspPut, portRspMax; |
| 1063 | int rc = 1; |
| 1064 | lpfc_iocb_type type; |
| 1065 | unsigned long iflag; |
| 1066 | uint32_t rsp_cmpl = 0; |
| 1067 | void __iomem *to_slim; |
| 1068 | |
| 1069 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 1070 | pring->stats.iocb_event++; |
| 1071 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1072 | /* |
| 1073 | * The next available response entry should never exceed the maximum |
| 1074 | * entries. If it does, treat it as an adapter hardware error. |
| 1075 | */ |
| 1076 | portRspMax = pring->numRiocb; |
| 1077 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1078 | if (unlikely(portRspPut >= portRspMax)) { |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1079 | lpfc_sli_rsp_pointers_error(phba, pring); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1080 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 1081 | return 1; |
| 1082 | } |
| 1083 | |
| 1084 | rmb(); |
| 1085 | while (pring->rspidx != portRspPut) { |
James.Smart@Emulex.Com | 87f6eaf | 2005-06-25 10:34:13 -0400 | [diff] [blame] | 1086 | /* |
| 1087 | * Fetch an entry off the ring and copy it into a local data |
| 1088 | * structure. The copy involves a byte-swap since the |
| 1089 | * network byte order and pci byte orders are different. |
| 1090 | */ |
James.Smart@Emulex.Com | 4a0dfcd | 2005-10-28 20:29:56 -0400 | [diff] [blame] | 1091 | entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1092 | |
| 1093 | if (++pring->rspidx >= portRspMax) |
| 1094 | pring->rspidx = 0; |
| 1095 | |
James.Smart@Emulex.Com | 87f6eaf | 2005-06-25 10:34:13 -0400 | [diff] [blame] | 1096 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
| 1097 | (uint32_t *) &rspiocbq.iocb, |
| 1098 | sizeof (IOCB_t)); |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 1099 | INIT_LIST_HEAD(&(rspiocbq.list)); |
James.Smart@Emulex.Com | 87f6eaf | 2005-06-25 10:34:13 -0400 | [diff] [blame] | 1100 | irsp = &rspiocbq.iocb; |
| 1101 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1102 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
| 1103 | pring->stats.iocb_rsp++; |
| 1104 | rsp_cmpl++; |
| 1105 | |
| 1106 | if (unlikely(irsp->ulpStatus)) { |
| 1107 | /* Rsp ring <ringno> error: IOCB */ |
| 1108 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1109 | "%d:0336 Rsp Ring %d error: IOCB Data: " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1110 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
| 1111 | phba->brd_no, pring->ringno, |
| 1112 | irsp->un.ulpWord[0], irsp->un.ulpWord[1], |
| 1113 | irsp->un.ulpWord[2], irsp->un.ulpWord[3], |
| 1114 | irsp->un.ulpWord[4], irsp->un.ulpWord[5], |
| 1115 | *(((uint32_t *) irsp) + 6), |
| 1116 | *(((uint32_t *) irsp) + 7)); |
| 1117 | } |
| 1118 | |
| 1119 | switch (type) { |
| 1120 | case LPFC_ABORT_IOCB: |
| 1121 | case LPFC_SOL_IOCB: |
| 1122 | /* |
| 1123 | * Idle exchange closed via ABTS from port. No iocb |
| 1124 | * resources need to be recovered. |
| 1125 | */ |
| 1126 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1127 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
| 1128 | "%d:0333 IOCB cmd 0x%x" |
| 1129 | " processed. Skipping" |
| 1130 | " completion\n", phba->brd_no, |
| 1131 | irsp->ulpCommand); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1132 | break; |
| 1133 | } |
| 1134 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1135 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
| 1136 | &rspiocbq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1137 | if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { |
Jamie Wellnitz | b808608 | 2006-02-28 22:33:12 -0500 | [diff] [blame] | 1138 | if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { |
| 1139 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, |
| 1140 | &rspiocbq); |
| 1141 | } else { |
| 1142 | spin_unlock_irqrestore( |
| 1143 | phba->host->host_lock, iflag); |
| 1144 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, |
| 1145 | &rspiocbq); |
| 1146 | spin_lock_irqsave(phba->host->host_lock, |
| 1147 | iflag); |
| 1148 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1149 | } |
| 1150 | break; |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 1151 | case LPFC_UNSOL_IOCB: |
| 1152 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 1153 | lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq); |
| 1154 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 1155 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1156 | default: |
| 1157 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { |
| 1158 | char adaptermsg[LPFC_MAX_ADPTMSG]; |
| 1159 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); |
| 1160 | memcpy(&adaptermsg[0], (uint8_t *) irsp, |
| 1161 | MAX_MSG_DATA); |
| 1162 | dev_warn(&((phba->pcidev)->dev), "lpfc%d: %s", |
| 1163 | phba->brd_no, adaptermsg); |
| 1164 | } else { |
| 1165 | /* Unknown IOCB command */ |
| 1166 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1167 | "%d:0334 Unknown IOCB command " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1168 | "Data: x%x, x%x x%x x%x x%x\n", |
| 1169 | phba->brd_no, type, irsp->ulpCommand, |
| 1170 | irsp->ulpStatus, irsp->ulpIoTag, |
| 1171 | irsp->ulpContext); |
| 1172 | } |
| 1173 | break; |
| 1174 | } |
| 1175 | |
| 1176 | /* |
| 1177 | * The response IOCB has been processed. Update the ring |
| 1178 | * pointer in SLIM. If the port response put pointer has not |
| 1179 | * been updated, sync the pgp->rspPutInx and fetch the new port |
| 1180 | * response put pointer. |
| 1181 | */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1182 | to_slim = phba->MBslimaddr + |
| 1183 | (SLIMOFF + (pring->ringno * 2) + 1) * 4; |
James.Smart@Emulex.Com | f91b392 | 2005-10-28 20:29:28 -0400 | [diff] [blame] | 1184 | writel(pring->rspidx, to_slim); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1185 | |
| 1186 | if (pring->rspidx == portRspPut) |
| 1187 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1188 | } |
| 1189 | |
| 1190 | if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) { |
| 1191 | pring->stats.iocb_rsp_full++; |
| 1192 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); |
| 1193 | writel(status, phba->CAregaddr); |
| 1194 | readl(phba->CAregaddr); |
| 1195 | } |
| 1196 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { |
| 1197 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; |
| 1198 | pring->stats.iocb_cmd_empty++; |
| 1199 | |
| 1200 | /* Force update of the local copy of cmdGetInx */ |
| 1201 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); |
| 1202 | lpfc_sli_resume_iocb(phba, pring); |
| 1203 | |
| 1204 | if ((pring->lpfc_sli_cmd_available)) |
| 1205 | (pring->lpfc_sli_cmd_available) (phba, pring); |
| 1206 | |
| 1207 | } |
| 1208 | |
| 1209 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 1210 | return rc; |
| 1211 | } |
| 1212 | |
| 1213 | |
| 1214 | int |
| 1215 | lpfc_sli_handle_slow_ring_event(struct lpfc_hba * phba, |
| 1216 | struct lpfc_sli_ring * pring, uint32_t mask) |
| 1217 | { |
| 1218 | IOCB_t *entry; |
| 1219 | IOCB_t *irsp = NULL; |
| 1220 | struct lpfc_iocbq *rspiocbp = NULL; |
| 1221 | struct lpfc_iocbq *next_iocb; |
| 1222 | struct lpfc_iocbq *cmdiocbp; |
| 1223 | struct lpfc_iocbq *saveq; |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 1224 | struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1225 | uint8_t iocb_cmd_type; |
| 1226 | lpfc_iocb_type type; |
| 1227 | uint32_t status, free_saveq; |
| 1228 | uint32_t portRspPut, portRspMax; |
| 1229 | int rc = 1; |
| 1230 | unsigned long iflag; |
| 1231 | void __iomem *to_slim; |
| 1232 | |
| 1233 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 1234 | pring->stats.iocb_event++; |
| 1235 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1236 | /* |
| 1237 | * The next available response entry should never exceed the maximum |
| 1238 | * entries. If it does, treat it as an adapter hardware error. |
| 1239 | */ |
| 1240 | portRspMax = pring->numRiocb; |
| 1241 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1242 | if (portRspPut >= portRspMax) { |
| 1243 | /* |
| 1244 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger then |
| 1245 | * rsp ring <portRspMax> |
| 1246 | */ |
| 1247 | lpfc_printf_log(phba, |
| 1248 | KERN_ERR, |
| 1249 | LOG_SLI, |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1250 | "%d:0303 Ring %d handler: portRspPut %d " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1251 | "is bigger then rsp ring %d\n", |
| 1252 | phba->brd_no, |
| 1253 | pring->ringno, portRspPut, portRspMax); |
| 1254 | |
| 1255 | phba->hba_state = LPFC_HBA_ERROR; |
| 1256 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 1257 | |
| 1258 | phba->work_hs = HS_FFER3; |
| 1259 | lpfc_handle_eratt(phba); |
| 1260 | |
| 1261 | return 1; |
| 1262 | } |
| 1263 | |
| 1264 | rmb(); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1265 | while (pring->rspidx != portRspPut) { |
| 1266 | /* |
| 1267 | * Build a completion list and call the appropriate handler. |
| 1268 | * The process is to get the next available response iocb, get |
| 1269 | * a free iocb from the list, copy the response data into the |
| 1270 | * free iocb, insert to the continuation list, and update the |
| 1271 | * next response index to slim. This process makes response |
| 1272 | * iocb's in the ring available to DMA as fast as possible but |
| 1273 | * pays a penalty for a copy operation. Since the iocb is |
| 1274 | * only 32 bytes, this penalty is considered small relative to |
| 1275 | * the PCI reads for register values and a slim write. When |
| 1276 | * the ulpLe field is set, the entire Command has been |
| 1277 | * received. |
| 1278 | */ |
| 1279 | entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx); |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 1280 | rspiocbp = lpfc_sli_get_iocbq(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1281 | if (rspiocbp == NULL) { |
| 1282 | printk(KERN_ERR "%s: out of buffers! Failing " |
| 1283 | "completion.\n", __FUNCTION__); |
| 1284 | break; |
| 1285 | } |
| 1286 | |
| 1287 | lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb, sizeof (IOCB_t)); |
| 1288 | irsp = &rspiocbp->iocb; |
| 1289 | |
| 1290 | if (++pring->rspidx >= portRspMax) |
| 1291 | pring->rspidx = 0; |
| 1292 | |
| 1293 | to_slim = phba->MBslimaddr + (SLIMOFF + (pring->ringno * 2) |
| 1294 | + 1) * 4; |
James.Smart@Emulex.Com | f91b392 | 2005-10-28 20:29:28 -0400 | [diff] [blame] | 1295 | writel(pring->rspidx, to_slim); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1296 | |
| 1297 | if (list_empty(&(pring->iocb_continueq))) { |
| 1298 | list_add(&rspiocbp->list, &(pring->iocb_continueq)); |
| 1299 | } else { |
| 1300 | list_add_tail(&rspiocbp->list, |
| 1301 | &(pring->iocb_continueq)); |
| 1302 | } |
| 1303 | |
| 1304 | pring->iocb_continueq_cnt++; |
| 1305 | if (irsp->ulpLe) { |
| 1306 | /* |
| 1307 | * By default, the driver expects to free all resources |
| 1308 | * associated with this iocb completion. |
| 1309 | */ |
| 1310 | free_saveq = 1; |
| 1311 | saveq = list_get_first(&pring->iocb_continueq, |
| 1312 | struct lpfc_iocbq, list); |
| 1313 | irsp = &(saveq->iocb); |
| 1314 | list_del_init(&pring->iocb_continueq); |
| 1315 | pring->iocb_continueq_cnt = 0; |
| 1316 | |
| 1317 | pring->stats.iocb_rsp++; |
| 1318 | |
| 1319 | if (irsp->ulpStatus) { |
| 1320 | /* Rsp ring <ringno> error: IOCB */ |
| 1321 | lpfc_printf_log(phba, |
| 1322 | KERN_WARNING, |
| 1323 | LOG_SLI, |
| 1324 | "%d:0328 Rsp Ring %d error: IOCB Data: " |
| 1325 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
| 1326 | phba->brd_no, |
| 1327 | pring->ringno, |
| 1328 | irsp->un.ulpWord[0], |
| 1329 | irsp->un.ulpWord[1], |
| 1330 | irsp->un.ulpWord[2], |
| 1331 | irsp->un.ulpWord[3], |
| 1332 | irsp->un.ulpWord[4], |
| 1333 | irsp->un.ulpWord[5], |
| 1334 | *(((uint32_t *) irsp) + 6), |
| 1335 | *(((uint32_t *) irsp) + 7)); |
| 1336 | } |
| 1337 | |
| 1338 | /* |
| 1339 | * Fetch the IOCB command type and call the correct |
| 1340 | * completion routine. Solicited and Unsolicited |
| 1341 | * IOCBs on the ELS ring get freed back to the |
| 1342 | * lpfc_iocb_list by the discovery kernel thread. |
| 1343 | */ |
| 1344 | iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; |
| 1345 | type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); |
| 1346 | if (type == LPFC_SOL_IOCB) { |
| 1347 | spin_unlock_irqrestore(phba->host->host_lock, |
| 1348 | iflag); |
| 1349 | rc = lpfc_sli_process_sol_iocb(phba, pring, |
| 1350 | saveq); |
| 1351 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 1352 | } else if (type == LPFC_UNSOL_IOCB) { |
| 1353 | spin_unlock_irqrestore(phba->host->host_lock, |
| 1354 | iflag); |
| 1355 | rc = lpfc_sli_process_unsol_iocb(phba, pring, |
| 1356 | saveq); |
| 1357 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 1358 | } else if (type == LPFC_ABORT_IOCB) { |
| 1359 | if ((irsp->ulpCommand != CMD_XRI_ABORTED_CX) && |
| 1360 | ((cmdiocbp = |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1361 | lpfc_sli_iocbq_lookup(phba, pring, |
| 1362 | saveq)))) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1363 | /* Call the specified completion |
| 1364 | routine */ |
| 1365 | if (cmdiocbp->iocb_cmpl) { |
| 1366 | spin_unlock_irqrestore( |
| 1367 | phba->host->host_lock, |
| 1368 | iflag); |
| 1369 | (cmdiocbp->iocb_cmpl) (phba, |
| 1370 | cmdiocbp, saveq); |
| 1371 | spin_lock_irqsave( |
| 1372 | phba->host->host_lock, |
| 1373 | iflag); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1374 | } else |
| 1375 | lpfc_sli_release_iocbq(phba, |
| 1376 | cmdiocbp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1377 | } |
| 1378 | } else if (type == LPFC_UNKNOWN_IOCB) { |
| 1379 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { |
| 1380 | |
| 1381 | char adaptermsg[LPFC_MAX_ADPTMSG]; |
| 1382 | |
| 1383 | memset(adaptermsg, 0, |
| 1384 | LPFC_MAX_ADPTMSG); |
| 1385 | memcpy(&adaptermsg[0], (uint8_t *) irsp, |
| 1386 | MAX_MSG_DATA); |
| 1387 | dev_warn(&((phba->pcidev)->dev), |
| 1388 | "lpfc%d: %s", |
| 1389 | phba->brd_no, adaptermsg); |
| 1390 | } else { |
| 1391 | /* Unknown IOCB command */ |
| 1392 | lpfc_printf_log(phba, |
| 1393 | KERN_ERR, |
| 1394 | LOG_SLI, |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1395 | "%d:0335 Unknown IOCB command " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1396 | "Data: x%x x%x x%x x%x\n", |
| 1397 | phba->brd_no, |
| 1398 | irsp->ulpCommand, |
| 1399 | irsp->ulpStatus, |
| 1400 | irsp->ulpIoTag, |
| 1401 | irsp->ulpContext); |
| 1402 | } |
| 1403 | } |
| 1404 | |
| 1405 | if (free_saveq) { |
| 1406 | if (!list_empty(&saveq->list)) { |
| 1407 | list_for_each_entry_safe(rspiocbp, |
| 1408 | next_iocb, |
| 1409 | &saveq->list, |
| 1410 | list) { |
James Smart | 8f6d98d | 2006-08-01 07:34:00 -0400 | [diff] [blame] | 1411 | list_del(&rspiocbp->list); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1412 | lpfc_sli_release_iocbq(phba, |
| 1413 | rspiocbp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1414 | } |
| 1415 | } |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1416 | lpfc_sli_release_iocbq(phba, saveq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1417 | } |
| 1418 | } |
| 1419 | |
| 1420 | /* |
| 1421 | * If the port response put pointer has not been updated, sync |
| 1422 | * the pgp->rspPutInx in the MAILBOX_tand fetch the new port |
| 1423 | * response put pointer. |
| 1424 | */ |
| 1425 | if (pring->rspidx == portRspPut) { |
| 1426 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1427 | } |
| 1428 | } /* while (pring->rspidx != portRspPut) */ |
| 1429 | |
| 1430 | if ((rspiocbp != 0) && (mask & HA_R0RE_REQ)) { |
| 1431 | /* At least one response entry has been freed */ |
| 1432 | pring->stats.iocb_rsp_full++; |
| 1433 | /* SET RxRE_RSP in Chip Att register */ |
| 1434 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); |
| 1435 | writel(status, phba->CAregaddr); |
| 1436 | readl(phba->CAregaddr); /* flush */ |
| 1437 | } |
| 1438 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { |
| 1439 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; |
| 1440 | pring->stats.iocb_cmd_empty++; |
| 1441 | |
| 1442 | /* Force update of the local copy of cmdGetInx */ |
| 1443 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); |
| 1444 | lpfc_sli_resume_iocb(phba, pring); |
| 1445 | |
| 1446 | if ((pring->lpfc_sli_cmd_available)) |
| 1447 | (pring->lpfc_sli_cmd_available) (phba, pring); |
| 1448 | |
| 1449 | } |
| 1450 | |
| 1451 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 1452 | return rc; |
| 1453 | } |
| 1454 | |
| 1455 | int |
| 1456 | lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
| 1457 | { |
| 1458 | struct lpfc_iocbq *iocb, *next_iocb; |
| 1459 | IOCB_t *icmd = NULL, *cmd = NULL; |
| 1460 | int errcnt; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1461 | |
| 1462 | errcnt = 0; |
| 1463 | |
| 1464 | /* Error everything on txq and txcmplq |
| 1465 | * First do the txq. |
| 1466 | */ |
| 1467 | spin_lock_irq(phba->host->host_lock); |
| 1468 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
| 1469 | list_del_init(&iocb->list); |
| 1470 | if (iocb->iocb_cmpl) { |
| 1471 | icmd = &iocb->iocb; |
| 1472 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 1473 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 1474 | spin_unlock_irq(phba->host->host_lock); |
| 1475 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
| 1476 | spin_lock_irq(phba->host->host_lock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1477 | } else |
| 1478 | lpfc_sli_release_iocbq(phba, iocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1479 | } |
| 1480 | pring->txq_cnt = 0; |
| 1481 | INIT_LIST_HEAD(&(pring->txq)); |
| 1482 | |
| 1483 | /* Next issue ABTS for everything on the txcmplq */ |
| 1484 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
| 1485 | cmd = &iocb->iocb; |
| 1486 | |
| 1487 | /* |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1488 | * Imediate abort of IOCB, deque and call compl |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1489 | */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1490 | |
| 1491 | list_del_init(&iocb->list); |
| 1492 | pring->txcmplq_cnt--; |
| 1493 | |
| 1494 | if (iocb->iocb_cmpl) { |
| 1495 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 1496 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 1497 | spin_unlock_irq(phba->host->host_lock); |
| 1498 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
| 1499 | spin_lock_irq(phba->host->host_lock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1500 | } else |
| 1501 | lpfc_sli_release_iocbq(phba, iocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1502 | } |
| 1503 | |
| 1504 | INIT_LIST_HEAD(&pring->txcmplq); |
| 1505 | pring->txcmplq_cnt = 0; |
| 1506 | spin_unlock_irq(phba->host->host_lock); |
| 1507 | |
| 1508 | return errcnt; |
| 1509 | } |
| 1510 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1511 | int |
| 1512 | lpfc_sli_brdready(struct lpfc_hba * phba, uint32_t mask) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1513 | { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1514 | uint32_t status; |
| 1515 | int i = 0; |
| 1516 | int retval = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1517 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1518 | /* Read the HBA Host Status Register */ |
| 1519 | status = readl(phba->HSregaddr); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1520 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1521 | /* |
| 1522 | * Check status register every 100ms for 5 retries, then every |
| 1523 | * 500ms for 5, then every 2.5 sec for 5, then reset board and |
| 1524 | * every 2.5 sec for 4. |
| 1525 | * Break our of the loop if errors occurred during init. |
| 1526 | */ |
| 1527 | while (((status & mask) != mask) && |
| 1528 | !(status & HS_FFERM) && |
| 1529 | i++ < 20) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1530 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1531 | if (i <= 5) |
| 1532 | msleep(10); |
| 1533 | else if (i <= 10) |
| 1534 | msleep(500); |
| 1535 | else |
| 1536 | msleep(2500); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1537 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1538 | if (i == 15) { |
| 1539 | phba->hba_state = LPFC_STATE_UNKNOWN; /* Do post */ |
| 1540 | lpfc_sli_brdrestart(phba); |
| 1541 | } |
| 1542 | /* Read the HBA Host Status Register */ |
| 1543 | status = readl(phba->HSregaddr); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1544 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1545 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1546 | /* Check to see if any errors occurred during init */ |
| 1547 | if ((status & HS_FFERM) || (i >= 20)) { |
| 1548 | phba->hba_state = LPFC_HBA_ERROR; |
| 1549 | retval = 1; |
| 1550 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1551 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1552 | return retval; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1553 | } |
| 1554 | |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1555 | #define BARRIER_TEST_PATTERN (0xdeadbeef) |
| 1556 | |
| 1557 | void lpfc_reset_barrier(struct lpfc_hba * phba) |
| 1558 | { |
James Smart | 65a29c1 | 2006-07-06 15:50:50 -0400 | [diff] [blame] | 1559 | uint32_t __iomem *resp_buf; |
| 1560 | uint32_t __iomem *mbox_buf; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1561 | volatile uint32_t mbox; |
| 1562 | uint32_t hc_copy; |
| 1563 | int i; |
| 1564 | uint8_t hdrtype; |
| 1565 | |
| 1566 | pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); |
| 1567 | if (hdrtype != 0x80 || |
| 1568 | (FC_JEDEC_ID(phba->vpd.rev.biuRev) != HELIOS_JEDEC_ID && |
| 1569 | FC_JEDEC_ID(phba->vpd.rev.biuRev) != THOR_JEDEC_ID)) |
| 1570 | return; |
| 1571 | |
| 1572 | /* |
| 1573 | * Tell the other part of the chip to suspend temporarily all |
| 1574 | * its DMA activity. |
| 1575 | */ |
James Smart | 65a29c1 | 2006-07-06 15:50:50 -0400 | [diff] [blame] | 1576 | resp_buf = phba->MBslimaddr; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1577 | |
| 1578 | /* Disable the error attention */ |
| 1579 | hc_copy = readl(phba->HCregaddr); |
| 1580 | writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); |
| 1581 | readl(phba->HCregaddr); /* flush */ |
| 1582 | |
| 1583 | if (readl(phba->HAregaddr) & HA_ERATT) { |
| 1584 | /* Clear Chip error bit */ |
| 1585 | writel(HA_ERATT, phba->HAregaddr); |
| 1586 | phba->stopped = 1; |
| 1587 | } |
| 1588 | |
| 1589 | mbox = 0; |
| 1590 | ((MAILBOX_t *)&mbox)->mbxCommand = MBX_KILL_BOARD; |
| 1591 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP; |
| 1592 | |
| 1593 | writel(BARRIER_TEST_PATTERN, (resp_buf + 1)); |
James Smart | 65a29c1 | 2006-07-06 15:50:50 -0400 | [diff] [blame] | 1594 | mbox_buf = phba->MBslimaddr; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1595 | writel(mbox, mbox_buf); |
| 1596 | |
| 1597 | for (i = 0; |
| 1598 | readl(resp_buf + 1) != ~(BARRIER_TEST_PATTERN) && i < 50; i++) |
| 1599 | mdelay(1); |
| 1600 | |
| 1601 | if (readl(resp_buf + 1) != ~(BARRIER_TEST_PATTERN)) { |
| 1602 | if (phba->sli.sli_flag & LPFC_SLI2_ACTIVE || |
| 1603 | phba->stopped) |
| 1604 | goto restore_hc; |
| 1605 | else |
| 1606 | goto clear_errat; |
| 1607 | } |
| 1608 | |
| 1609 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_HOST; |
| 1610 | for (i = 0; readl(resp_buf) != mbox && i < 500; i++) |
| 1611 | mdelay(1); |
| 1612 | |
| 1613 | clear_errat: |
| 1614 | |
| 1615 | while (!(readl(phba->HAregaddr) & HA_ERATT) && ++i < 500) |
| 1616 | mdelay(1); |
| 1617 | |
| 1618 | if (readl(phba->HAregaddr) & HA_ERATT) { |
| 1619 | writel(HA_ERATT, phba->HAregaddr); |
| 1620 | phba->stopped = 1; |
| 1621 | } |
| 1622 | |
| 1623 | restore_hc: |
| 1624 | writel(hc_copy, phba->HCregaddr); |
| 1625 | readl(phba->HCregaddr); /* flush */ |
| 1626 | } |
| 1627 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1628 | int |
| 1629 | lpfc_sli_brdkill(struct lpfc_hba * phba) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1630 | { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1631 | struct lpfc_sli *psli; |
| 1632 | LPFC_MBOXQ_t *pmb; |
| 1633 | uint32_t status; |
| 1634 | uint32_t ha_copy; |
| 1635 | int retval; |
| 1636 | int i = 0; |
| 1637 | |
| 1638 | psli = &phba->sli; |
| 1639 | |
| 1640 | /* Kill HBA */ |
| 1641 | lpfc_printf_log(phba, |
| 1642 | KERN_INFO, |
| 1643 | LOG_SLI, |
| 1644 | "%d:0329 Kill HBA Data: x%x x%x\n", |
| 1645 | phba->brd_no, |
| 1646 | phba->hba_state, |
| 1647 | psli->sli_flag); |
| 1648 | |
| 1649 | if ((pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1650 | GFP_KERNEL)) == 0) |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1651 | return 1; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1652 | |
| 1653 | /* Disable the error attention */ |
| 1654 | spin_lock_irq(phba->host->host_lock); |
| 1655 | status = readl(phba->HCregaddr); |
| 1656 | status &= ~HC_ERINT_ENA; |
| 1657 | writel(status, phba->HCregaddr); |
| 1658 | readl(phba->HCregaddr); /* flush */ |
| 1659 | spin_unlock_irq(phba->host->host_lock); |
| 1660 | |
| 1661 | lpfc_kill_board(phba, pmb); |
| 1662 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 1663 | retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
| 1664 | |
| 1665 | if (retval != MBX_SUCCESS) { |
| 1666 | if (retval != MBX_BUSY) |
| 1667 | mempool_free(pmb, phba->mbox_mem_pool); |
| 1668 | return 1; |
| 1669 | } |
| 1670 | |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1671 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
| 1672 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1673 | mempool_free(pmb, phba->mbox_mem_pool); |
| 1674 | |
| 1675 | /* There is no completion for a KILL_BOARD mbox cmd. Check for an error |
| 1676 | * attention every 100ms for 3 seconds. If we don't get ERATT after |
| 1677 | * 3 seconds we still set HBA_ERROR state because the status of the |
| 1678 | * board is now undefined. |
| 1679 | */ |
| 1680 | ha_copy = readl(phba->HAregaddr); |
| 1681 | |
| 1682 | while ((i++ < 30) && !(ha_copy & HA_ERATT)) { |
| 1683 | mdelay(100); |
| 1684 | ha_copy = readl(phba->HAregaddr); |
| 1685 | } |
| 1686 | |
| 1687 | del_timer_sync(&psli->mbox_tmo); |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1688 | if (ha_copy & HA_ERATT) { |
| 1689 | writel(HA_ERATT, phba->HAregaddr); |
| 1690 | phba->stopped = 1; |
| 1691 | } |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1692 | spin_lock_irq(phba->host->host_lock); |
| 1693 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 1694 | spin_unlock_irq(phba->host->host_lock); |
| 1695 | |
| 1696 | psli->mbox_active = NULL; |
| 1697 | lpfc_hba_down_post(phba); |
| 1698 | phba->hba_state = LPFC_HBA_ERROR; |
| 1699 | |
| 1700 | return (ha_copy & HA_ERATT ? 0 : 1); |
| 1701 | } |
| 1702 | |
| 1703 | int |
| 1704 | lpfc_sli_brdreset(struct lpfc_hba * phba) |
| 1705 | { |
| 1706 | struct lpfc_sli *psli; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1707 | struct lpfc_sli_ring *pring; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1708 | uint16_t cfg_value; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1709 | int i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1710 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1711 | psli = &phba->sli; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1712 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1713 | /* Reset HBA */ |
| 1714 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
| 1715 | "%d:0325 Reset HBA Data: x%x x%x\n", phba->brd_no, |
| 1716 | phba->hba_state, psli->sli_flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1717 | |
| 1718 | /* perform board reset */ |
| 1719 | phba->fc_eventTag = 0; |
| 1720 | phba->fc_myDID = 0; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1721 | phba->fc_prevDID = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1722 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1723 | /* Turn off parity checking and serr during the physical reset */ |
| 1724 | pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); |
| 1725 | pci_write_config_word(phba->pcidev, PCI_COMMAND, |
| 1726 | (cfg_value & |
| 1727 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); |
| 1728 | |
James Smart | 1c067a4 | 2006-08-01 07:33:52 -0400 | [diff] [blame] | 1729 | psli->sli_flag &= ~(LPFC_SLI2_ACTIVE | LPFC_PROCESS_LA); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1730 | /* Now toggle INITFF bit in the Host Control Register */ |
| 1731 | writel(HC_INITFF, phba->HCregaddr); |
| 1732 | mdelay(1); |
| 1733 | readl(phba->HCregaddr); /* flush */ |
| 1734 | writel(0, phba->HCregaddr); |
| 1735 | readl(phba->HCregaddr); /* flush */ |
| 1736 | |
| 1737 | /* Restore PCI cmd register */ |
| 1738 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1739 | |
| 1740 | /* Initialize relevant SLI info */ |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1741 | for (i = 0; i < psli->num_rings; i++) { |
| 1742 | pring = &psli->ring[i]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1743 | pring->flag = 0; |
| 1744 | pring->rspidx = 0; |
| 1745 | pring->next_cmdidx = 0; |
| 1746 | pring->local_getidx = 0; |
| 1747 | pring->cmdidx = 0; |
| 1748 | pring->missbufcnt = 0; |
| 1749 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1750 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1751 | phba->hba_state = LPFC_WARM_START; |
| 1752 | return 0; |
| 1753 | } |
| 1754 | |
| 1755 | int |
| 1756 | lpfc_sli_brdrestart(struct lpfc_hba * phba) |
| 1757 | { |
| 1758 | MAILBOX_t *mb; |
| 1759 | struct lpfc_sli *psli; |
| 1760 | uint16_t skip_post; |
| 1761 | volatile uint32_t word0; |
| 1762 | void __iomem *to_slim; |
| 1763 | |
| 1764 | spin_lock_irq(phba->host->host_lock); |
| 1765 | |
| 1766 | psli = &phba->sli; |
| 1767 | |
| 1768 | /* Restart HBA */ |
| 1769 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1770 | "%d:0337 Restart HBA Data: x%x x%x\n", phba->brd_no, |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1771 | phba->hba_state, psli->sli_flag); |
| 1772 | |
| 1773 | word0 = 0; |
| 1774 | mb = (MAILBOX_t *) &word0; |
| 1775 | mb->mbxCommand = MBX_RESTART; |
| 1776 | mb->mbxHc = 1; |
| 1777 | |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1778 | lpfc_reset_barrier(phba); |
| 1779 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1780 | to_slim = phba->MBslimaddr; |
| 1781 | writel(*(uint32_t *) mb, to_slim); |
| 1782 | readl(to_slim); /* flush */ |
| 1783 | |
| 1784 | /* Only skip post after fc_ffinit is completed */ |
| 1785 | if (phba->hba_state) { |
| 1786 | skip_post = 1; |
| 1787 | word0 = 1; /* This is really setting up word1 */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1788 | } else { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1789 | skip_post = 0; |
| 1790 | word0 = 0; /* This is really setting up word1 */ |
| 1791 | } |
James Smart | 65a29c1 | 2006-07-06 15:50:50 -0400 | [diff] [blame] | 1792 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1793 | writel(*(uint32_t *) mb, to_slim); |
| 1794 | readl(to_slim); /* flush */ |
| 1795 | |
| 1796 | lpfc_sli_brdreset(phba); |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1797 | phba->stopped = 0; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1798 | phba->hba_state = LPFC_INIT_START; |
| 1799 | |
| 1800 | spin_unlock_irq(phba->host->host_lock); |
| 1801 | |
James Smart | 64ba881 | 2006-08-02 15:24:34 -0400 | [diff] [blame] | 1802 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); |
| 1803 | psli->stats_start = get_seconds(); |
| 1804 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1805 | if (skip_post) |
| 1806 | mdelay(100); |
| 1807 | else |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1808 | mdelay(2000); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1809 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1810 | lpfc_hba_down_post(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1811 | |
| 1812 | return 0; |
| 1813 | } |
| 1814 | |
| 1815 | static int |
| 1816 | lpfc_sli_chipset_init(struct lpfc_hba *phba) |
| 1817 | { |
| 1818 | uint32_t status, i = 0; |
| 1819 | |
| 1820 | /* Read the HBA Host Status Register */ |
| 1821 | status = readl(phba->HSregaddr); |
| 1822 | |
| 1823 | /* Check status register to see what current state is */ |
| 1824 | i = 0; |
| 1825 | while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) { |
| 1826 | |
| 1827 | /* Check every 100ms for 5 retries, then every 500ms for 5, then |
| 1828 | * every 2.5 sec for 5, then reset board and every 2.5 sec for |
| 1829 | * 4. |
| 1830 | */ |
| 1831 | if (i++ >= 20) { |
| 1832 | /* Adapter failed to init, timeout, status reg |
| 1833 | <status> */ |
| 1834 | lpfc_printf_log(phba, |
| 1835 | KERN_ERR, |
| 1836 | LOG_INIT, |
| 1837 | "%d:0436 Adapter failed to init, " |
| 1838 | "timeout, status reg x%x\n", |
| 1839 | phba->brd_no, |
| 1840 | status); |
| 1841 | phba->hba_state = LPFC_HBA_ERROR; |
| 1842 | return -ETIMEDOUT; |
| 1843 | } |
| 1844 | |
| 1845 | /* Check to see if any errors occurred during init */ |
| 1846 | if (status & HS_FFERM) { |
| 1847 | /* ERROR: During chipset initialization */ |
| 1848 | /* Adapter failed to init, chipset, status reg |
| 1849 | <status> */ |
| 1850 | lpfc_printf_log(phba, |
| 1851 | KERN_ERR, |
| 1852 | LOG_INIT, |
| 1853 | "%d:0437 Adapter failed to init, " |
| 1854 | "chipset, status reg x%x\n", |
| 1855 | phba->brd_no, |
| 1856 | status); |
| 1857 | phba->hba_state = LPFC_HBA_ERROR; |
| 1858 | return -EIO; |
| 1859 | } |
| 1860 | |
| 1861 | if (i <= 5) { |
| 1862 | msleep(10); |
| 1863 | } else if (i <= 10) { |
| 1864 | msleep(500); |
| 1865 | } else { |
| 1866 | msleep(2500); |
| 1867 | } |
| 1868 | |
| 1869 | if (i == 15) { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1870 | phba->hba_state = LPFC_STATE_UNKNOWN; /* Do post */ |
| 1871 | lpfc_sli_brdrestart(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1872 | } |
| 1873 | /* Read the HBA Host Status Register */ |
| 1874 | status = readl(phba->HSregaddr); |
| 1875 | } |
| 1876 | |
| 1877 | /* Check to see if any errors occurred during init */ |
| 1878 | if (status & HS_FFERM) { |
| 1879 | /* ERROR: During chipset initialization */ |
| 1880 | /* Adapter failed to init, chipset, status reg <status> */ |
| 1881 | lpfc_printf_log(phba, |
| 1882 | KERN_ERR, |
| 1883 | LOG_INIT, |
| 1884 | "%d:0438 Adapter failed to init, chipset, " |
| 1885 | "status reg x%x\n", |
| 1886 | phba->brd_no, |
| 1887 | status); |
| 1888 | phba->hba_state = LPFC_HBA_ERROR; |
| 1889 | return -EIO; |
| 1890 | } |
| 1891 | |
| 1892 | /* Clear all interrupt enable conditions */ |
| 1893 | writel(0, phba->HCregaddr); |
| 1894 | readl(phba->HCregaddr); /* flush */ |
| 1895 | |
| 1896 | /* setup host attn register */ |
| 1897 | writel(0xffffffff, phba->HAregaddr); |
| 1898 | readl(phba->HAregaddr); /* flush */ |
| 1899 | return 0; |
| 1900 | } |
| 1901 | |
| 1902 | int |
| 1903 | lpfc_sli_hba_setup(struct lpfc_hba * phba) |
| 1904 | { |
| 1905 | LPFC_MBOXQ_t *pmb; |
| 1906 | uint32_t resetcount = 0, rc = 0, done = 0; |
| 1907 | |
| 1908 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 1909 | if (!pmb) { |
| 1910 | phba->hba_state = LPFC_HBA_ERROR; |
| 1911 | return -ENOMEM; |
| 1912 | } |
| 1913 | |
| 1914 | while (resetcount < 2 && !done) { |
James Smart | 1c067a4 | 2006-08-01 07:33:52 -0400 | [diff] [blame] | 1915 | spin_lock_irq(phba->host->host_lock); |
| 1916 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
| 1917 | spin_unlock_irq(phba->host->host_lock); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1918 | phba->hba_state = LPFC_STATE_UNKNOWN; |
| 1919 | lpfc_sli_brdrestart(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1920 | msleep(2500); |
| 1921 | rc = lpfc_sli_chipset_init(phba); |
| 1922 | if (rc) |
| 1923 | break; |
| 1924 | |
James Smart | 1c067a4 | 2006-08-01 07:33:52 -0400 | [diff] [blame] | 1925 | spin_lock_irq(phba->host->host_lock); |
| 1926 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 1927 | spin_unlock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1928 | resetcount++; |
| 1929 | |
| 1930 | /* Call pre CONFIG_PORT mailbox command initialization. A value of 0 |
| 1931 | * means the call was successful. Any other nonzero value is a failure, |
| 1932 | * but if ERESTART is returned, the driver may reset the HBA and try |
| 1933 | * again. |
| 1934 | */ |
| 1935 | rc = lpfc_config_port_prep(phba); |
| 1936 | if (rc == -ERESTART) { |
| 1937 | phba->hba_state = 0; |
| 1938 | continue; |
| 1939 | } else if (rc) { |
| 1940 | break; |
| 1941 | } |
| 1942 | |
| 1943 | phba->hba_state = LPFC_INIT_MBX_CMDS; |
| 1944 | lpfc_config_port(phba, pmb); |
| 1945 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
| 1946 | if (rc == MBX_SUCCESS) |
| 1947 | done = 1; |
| 1948 | else { |
| 1949 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| 1950 | "%d:0442 Adapter failed to init, mbxCmd x%x " |
| 1951 | "CONFIG_PORT, mbxStatus x%x Data: x%x\n", |
| 1952 | phba->brd_no, pmb->mb.mbxCommand, |
| 1953 | pmb->mb.mbxStatus, 0); |
| 1954 | phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE; |
| 1955 | } |
| 1956 | } |
| 1957 | if (!done) |
| 1958 | goto lpfc_sli_hba_setup_error; |
| 1959 | |
| 1960 | rc = lpfc_sli_ring_map(phba, pmb); |
| 1961 | |
| 1962 | if (rc) |
| 1963 | goto lpfc_sli_hba_setup_error; |
| 1964 | |
| 1965 | phba->sli.sli_flag |= LPFC_PROCESS_LA; |
| 1966 | |
| 1967 | rc = lpfc_config_port_post(phba); |
| 1968 | if (rc) |
| 1969 | goto lpfc_sli_hba_setup_error; |
| 1970 | |
| 1971 | goto lpfc_sli_hba_setup_exit; |
| 1972 | lpfc_sli_hba_setup_error: |
| 1973 | phba->hba_state = LPFC_HBA_ERROR; |
| 1974 | lpfc_sli_hba_setup_exit: |
| 1975 | mempool_free(pmb, phba->mbox_mem_pool); |
| 1976 | return rc; |
| 1977 | } |
| 1978 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1979 | /*! lpfc_mbox_timeout |
| 1980 | * |
| 1981 | * \pre |
| 1982 | * \post |
| 1983 | * \param hba Pointer to per struct lpfc_hba structure |
| 1984 | * \param l1 Pointer to the driver's mailbox queue. |
| 1985 | * \return |
| 1986 | * void |
| 1987 | * |
| 1988 | * \b Description: |
| 1989 | * |
| 1990 | * This routine handles mailbox timeout events at timer interrupt context. |
| 1991 | */ |
| 1992 | void |
| 1993 | lpfc_mbox_timeout(unsigned long ptr) |
| 1994 | { |
| 1995 | struct lpfc_hba *phba; |
| 1996 | unsigned long iflag; |
| 1997 | |
| 1998 | phba = (struct lpfc_hba *)ptr; |
| 1999 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 2000 | if (!(phba->work_hba_events & WORKER_MBOX_TMO)) { |
| 2001 | phba->work_hba_events |= WORKER_MBOX_TMO; |
| 2002 | if (phba->work_wait) |
| 2003 | wake_up(phba->work_wait); |
| 2004 | } |
| 2005 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 2006 | } |
| 2007 | |
| 2008 | void |
| 2009 | lpfc_mbox_timeout_handler(struct lpfc_hba *phba) |
| 2010 | { |
| 2011 | LPFC_MBOXQ_t *pmbox; |
| 2012 | MAILBOX_t *mb; |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 2013 | struct lpfc_sli *psli = &phba->sli; |
| 2014 | struct lpfc_sli_ring *pring; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2015 | |
| 2016 | spin_lock_irq(phba->host->host_lock); |
| 2017 | if (!(phba->work_hba_events & WORKER_MBOX_TMO)) { |
| 2018 | spin_unlock_irq(phba->host->host_lock); |
| 2019 | return; |
| 2020 | } |
| 2021 | |
| 2022 | pmbox = phba->sli.mbox_active; |
| 2023 | mb = &pmbox->mb; |
| 2024 | |
| 2025 | /* Mbox cmd <mbxCommand> timeout */ |
| 2026 | lpfc_printf_log(phba, |
| 2027 | KERN_ERR, |
| 2028 | LOG_MBOX | LOG_SLI, |
| 2029 | "%d:0310 Mailbox command x%x timeout Data: x%x x%x x%p\n", |
| 2030 | phba->brd_no, |
| 2031 | mb->mbxCommand, |
| 2032 | phba->hba_state, |
| 2033 | phba->sli.sli_flag, |
| 2034 | phba->sli.mbox_active); |
| 2035 | |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 2036 | /* Setting state unknown so lpfc_sli_abort_iocb_ring |
| 2037 | * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing |
| 2038 | * it to fail all oustanding SCSI IO. |
| 2039 | */ |
| 2040 | phba->hba_state = LPFC_STATE_UNKNOWN; |
| 2041 | phba->work_hba_events &= ~WORKER_MBOX_TMO; |
| 2042 | phba->fc_flag |= FC_ESTABLISH_LINK; |
| 2043 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2044 | spin_unlock_irq(phba->host->host_lock); |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 2045 | |
| 2046 | pring = &psli->ring[psli->fcp_ring]; |
| 2047 | lpfc_sli_abort_iocb_ring(phba, pring); |
| 2048 | |
| 2049 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
| 2050 | "%d:0316 Resetting board due to mailbox timeout\n", |
| 2051 | phba->brd_no); |
| 2052 | /* |
| 2053 | * lpfc_offline calls lpfc_sli_hba_down which will clean up |
| 2054 | * on oustanding mailbox commands. |
| 2055 | */ |
| 2056 | lpfc_offline_prep(phba); |
| 2057 | lpfc_offline(phba); |
| 2058 | lpfc_sli_brdrestart(phba); |
| 2059 | if (lpfc_online(phba) == 0) /* Initialize the HBA */ |
| 2060 | mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); |
| 2061 | lpfc_unblock_mgmt_io(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2062 | return; |
| 2063 | } |
| 2064 | |
| 2065 | int |
| 2066 | lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag) |
| 2067 | { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2068 | MAILBOX_t *mb; |
| 2069 | struct lpfc_sli *psli; |
| 2070 | uint32_t status, evtctr; |
| 2071 | uint32_t ha_copy; |
| 2072 | int i; |
| 2073 | unsigned long drvr_flag = 0; |
| 2074 | volatile uint32_t word0, ldata; |
| 2075 | void __iomem *to_slim; |
| 2076 | |
Linas Vepstas | 8d63f37 | 2007-02-14 14:28:36 -0600 | [diff] [blame] | 2077 | /* If the PCI channel is in offline state, do not post mbox. */ |
| 2078 | if (unlikely(pci_channel_offline(phba->pcidev))) |
| 2079 | return MBX_NOT_FINISHED; |
| 2080 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2081 | psli = &phba->sli; |
| 2082 | |
| 2083 | spin_lock_irqsave(phba->host->host_lock, drvr_flag); |
| 2084 | |
| 2085 | |
| 2086 | mb = &pmbox->mb; |
| 2087 | status = MBX_SUCCESS; |
| 2088 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2089 | if (phba->hba_state == LPFC_HBA_ERROR) { |
| 2090 | spin_unlock_irqrestore(phba->host->host_lock, drvr_flag); |
| 2091 | |
| 2092 | /* Mbox command <mbxCommand> cannot issue */ |
| 2093 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) |
| 2094 | return (MBX_NOT_FINISHED); |
| 2095 | } |
| 2096 | |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 2097 | if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT && |
| 2098 | !(readl(phba->HCregaddr) & HC_MBINT_ENA)) { |
| 2099 | spin_unlock_irqrestore(phba->host->host_lock, drvr_flag); |
| 2100 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) |
| 2101 | return (MBX_NOT_FINISHED); |
| 2102 | } |
| 2103 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2104 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { |
| 2105 | /* Polling for a mbox command when another one is already active |
| 2106 | * is not allowed in SLI. Also, the driver must have established |
| 2107 | * SLI2 mode to queue and process multiple mbox commands. |
| 2108 | */ |
| 2109 | |
| 2110 | if (flag & MBX_POLL) { |
| 2111 | spin_unlock_irqrestore(phba->host->host_lock, |
| 2112 | drvr_flag); |
| 2113 | |
| 2114 | /* Mbox command <mbxCommand> cannot issue */ |
| 2115 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) |
| 2116 | return (MBX_NOT_FINISHED); |
| 2117 | } |
| 2118 | |
| 2119 | if (!(psli->sli_flag & LPFC_SLI2_ACTIVE)) { |
| 2120 | spin_unlock_irqrestore(phba->host->host_lock, |
| 2121 | drvr_flag); |
| 2122 | /* Mbox command <mbxCommand> cannot issue */ |
| 2123 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) |
| 2124 | return (MBX_NOT_FINISHED); |
| 2125 | } |
| 2126 | |
| 2127 | /* Handle STOP IOCB processing flag. This is only meaningful |
| 2128 | * if we are not polling for mbox completion. |
| 2129 | */ |
| 2130 | if (flag & MBX_STOP_IOCB) { |
| 2131 | flag &= ~MBX_STOP_IOCB; |
| 2132 | /* Now flag each ring */ |
| 2133 | for (i = 0; i < psli->num_rings; i++) { |
| 2134 | /* If the ring is active, flag it */ |
| 2135 | if (psli->ring[i].cmdringaddr) { |
| 2136 | psli->ring[i].flag |= |
| 2137 | LPFC_STOP_IOCB_MBX; |
| 2138 | } |
| 2139 | } |
| 2140 | } |
| 2141 | |
| 2142 | /* Another mailbox command is still being processed, queue this |
| 2143 | * command to be processed later. |
| 2144 | */ |
| 2145 | lpfc_mbox_put(phba, pmbox); |
| 2146 | |
| 2147 | /* Mbox cmd issue - BUSY */ |
| 2148 | lpfc_printf_log(phba, |
| 2149 | KERN_INFO, |
| 2150 | LOG_MBOX | LOG_SLI, |
| 2151 | "%d:0308 Mbox cmd issue - BUSY Data: x%x x%x x%x x%x\n", |
| 2152 | phba->brd_no, |
| 2153 | mb->mbxCommand, |
| 2154 | phba->hba_state, |
| 2155 | psli->sli_flag, |
| 2156 | flag); |
| 2157 | |
| 2158 | psli->slistat.mbox_busy++; |
| 2159 | spin_unlock_irqrestore(phba->host->host_lock, |
| 2160 | drvr_flag); |
| 2161 | |
| 2162 | return (MBX_BUSY); |
| 2163 | } |
| 2164 | |
| 2165 | /* Handle STOP IOCB processing flag. This is only meaningful |
| 2166 | * if we are not polling for mbox completion. |
| 2167 | */ |
| 2168 | if (flag & MBX_STOP_IOCB) { |
| 2169 | flag &= ~MBX_STOP_IOCB; |
| 2170 | if (flag == MBX_NOWAIT) { |
| 2171 | /* Now flag each ring */ |
| 2172 | for (i = 0; i < psli->num_rings; i++) { |
| 2173 | /* If the ring is active, flag it */ |
| 2174 | if (psli->ring[i].cmdringaddr) { |
| 2175 | psli->ring[i].flag |= |
| 2176 | LPFC_STOP_IOCB_MBX; |
| 2177 | } |
| 2178 | } |
| 2179 | } |
| 2180 | } |
| 2181 | |
| 2182 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
| 2183 | |
| 2184 | /* If we are not polling, we MUST be in SLI2 mode */ |
| 2185 | if (flag != MBX_POLL) { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2186 | if (!(psli->sli_flag & LPFC_SLI2_ACTIVE) && |
| 2187 | (mb->mbxCommand != MBX_KILL_BOARD)) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2188 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 2189 | spin_unlock_irqrestore(phba->host->host_lock, |
| 2190 | drvr_flag); |
| 2191 | /* Mbox command <mbxCommand> cannot issue */ |
| 2192 | LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag); |
| 2193 | return (MBX_NOT_FINISHED); |
| 2194 | } |
| 2195 | /* timeout active mbox command */ |
James Smart | a309a6b | 2006-08-01 07:33:43 -0400 | [diff] [blame] | 2196 | mod_timer(&psli->mbox_tmo, (jiffies + |
| 2197 | (HZ * lpfc_mbox_tmo_val(phba, mb->mbxCommand)))); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2198 | } |
| 2199 | |
| 2200 | /* Mailbox cmd <cmd> issue */ |
| 2201 | lpfc_printf_log(phba, |
| 2202 | KERN_INFO, |
| 2203 | LOG_MBOX | LOG_SLI, |
| 2204 | "%d:0309 Mailbox cmd x%x issue Data: x%x x%x x%x\n", |
| 2205 | phba->brd_no, |
| 2206 | mb->mbxCommand, |
| 2207 | phba->hba_state, |
| 2208 | psli->sli_flag, |
| 2209 | flag); |
| 2210 | |
| 2211 | psli->slistat.mbox_cmd++; |
| 2212 | evtctr = psli->slistat.mbox_event; |
| 2213 | |
| 2214 | /* next set own bit for the adapter and copy over command word */ |
| 2215 | mb->mbxOwner = OWN_CHIP; |
| 2216 | |
| 2217 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2218 | /* First copy command data to host SLIM area */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2219 | lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, MAILBOX_CMD_SIZE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2220 | } else { |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 2221 | if (mb->mbxCommand == MBX_CONFIG_PORT) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2222 | /* copy command data into host mbox for cmpl */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2223 | lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, |
| 2224 | MAILBOX_CMD_SIZE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2225 | } |
| 2226 | |
| 2227 | /* First copy mbox command data to HBA SLIM, skip past first |
| 2228 | word */ |
| 2229 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
| 2230 | lpfc_memcpy_to_slim(to_slim, &mb->un.varWords[0], |
| 2231 | MAILBOX_CMD_SIZE - sizeof (uint32_t)); |
| 2232 | |
| 2233 | /* Next copy over first word, with mbxOwner set */ |
| 2234 | ldata = *((volatile uint32_t *)mb); |
| 2235 | to_slim = phba->MBslimaddr; |
| 2236 | writel(ldata, to_slim); |
| 2237 | readl(to_slim); /* flush */ |
| 2238 | |
| 2239 | if (mb->mbxCommand == MBX_CONFIG_PORT) { |
| 2240 | /* switch over to host mailbox */ |
| 2241 | psli->sli_flag |= LPFC_SLI2_ACTIVE; |
| 2242 | } |
| 2243 | } |
| 2244 | |
| 2245 | wmb(); |
| 2246 | /* interrupt board to doit right away */ |
| 2247 | writel(CA_MBATT, phba->CAregaddr); |
| 2248 | readl(phba->CAregaddr); /* flush */ |
| 2249 | |
| 2250 | switch (flag) { |
| 2251 | case MBX_NOWAIT: |
| 2252 | /* Don't wait for it to finish, just return */ |
| 2253 | psli->mbox_active = pmbox; |
| 2254 | break; |
| 2255 | |
| 2256 | case MBX_POLL: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2257 | psli->mbox_active = NULL; |
| 2258 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { |
| 2259 | /* First read mbox status word */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2260 | word0 = *((volatile uint32_t *)&phba->slim2p->mbx); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2261 | word0 = le32_to_cpu(word0); |
| 2262 | } else { |
| 2263 | /* First read mbox status word */ |
| 2264 | word0 = readl(phba->MBslimaddr); |
| 2265 | } |
| 2266 | |
| 2267 | /* Read the HBA Host Attention Register */ |
| 2268 | ha_copy = readl(phba->HAregaddr); |
| 2269 | |
James Smart | a309a6b | 2006-08-01 07:33:43 -0400 | [diff] [blame] | 2270 | i = lpfc_mbox_tmo_val(phba, mb->mbxCommand); |
| 2271 | i *= 1000; /* Convert to ms */ |
| 2272 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2273 | /* Wait for command to complete */ |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2274 | while (((word0 & OWN_CHIP) == OWN_CHIP) || |
| 2275 | (!(ha_copy & HA_MBATT) && |
| 2276 | (phba->hba_state > LPFC_WARM_START))) { |
James Smart | a309a6b | 2006-08-01 07:33:43 -0400 | [diff] [blame] | 2277 | if (i-- <= 0) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2278 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 2279 | spin_unlock_irqrestore(phba->host->host_lock, |
| 2280 | drvr_flag); |
| 2281 | return (MBX_NOT_FINISHED); |
| 2282 | } |
| 2283 | |
| 2284 | /* Check if we took a mbox interrupt while we were |
| 2285 | polling */ |
| 2286 | if (((word0 & OWN_CHIP) != OWN_CHIP) |
| 2287 | && (evtctr != psli->slistat.mbox_event)) |
| 2288 | break; |
| 2289 | |
| 2290 | spin_unlock_irqrestore(phba->host->host_lock, |
| 2291 | drvr_flag); |
| 2292 | |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 2293 | msleep(1); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2294 | |
| 2295 | spin_lock_irqsave(phba->host->host_lock, drvr_flag); |
| 2296 | |
| 2297 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { |
| 2298 | /* First copy command data */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2299 | word0 = *((volatile uint32_t *) |
| 2300 | &phba->slim2p->mbx); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2301 | word0 = le32_to_cpu(word0); |
| 2302 | if (mb->mbxCommand == MBX_CONFIG_PORT) { |
| 2303 | MAILBOX_t *slimmb; |
| 2304 | volatile uint32_t slimword0; |
| 2305 | /* Check real SLIM for any errors */ |
| 2306 | slimword0 = readl(phba->MBslimaddr); |
| 2307 | slimmb = (MAILBOX_t *) & slimword0; |
| 2308 | if (((slimword0 & OWN_CHIP) != OWN_CHIP) |
| 2309 | && slimmb->mbxStatus) { |
| 2310 | psli->sli_flag &= |
| 2311 | ~LPFC_SLI2_ACTIVE; |
| 2312 | word0 = slimword0; |
| 2313 | } |
| 2314 | } |
| 2315 | } else { |
| 2316 | /* First copy command data */ |
| 2317 | word0 = readl(phba->MBslimaddr); |
| 2318 | } |
| 2319 | /* Read the HBA Host Attention Register */ |
| 2320 | ha_copy = readl(phba->HAregaddr); |
| 2321 | } |
| 2322 | |
| 2323 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2324 | /* copy results back to user */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2325 | lpfc_sli_pcimem_bcopy(&phba->slim2p->mbx, mb, |
| 2326 | MAILBOX_CMD_SIZE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2327 | } else { |
| 2328 | /* First copy command data */ |
| 2329 | lpfc_memcpy_from_slim(mb, phba->MBslimaddr, |
| 2330 | MAILBOX_CMD_SIZE); |
| 2331 | if ((mb->mbxCommand == MBX_DUMP_MEMORY) && |
| 2332 | pmbox->context2) { |
| 2333 | lpfc_memcpy_from_slim((void *)pmbox->context2, |
| 2334 | phba->MBslimaddr + DMP_RSP_OFFSET, |
| 2335 | mb->un.varDmp.word_cnt); |
| 2336 | } |
| 2337 | } |
| 2338 | |
| 2339 | writel(HA_MBATT, phba->HAregaddr); |
| 2340 | readl(phba->HAregaddr); /* flush */ |
| 2341 | |
| 2342 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 2343 | status = mb->mbxStatus; |
| 2344 | } |
| 2345 | |
| 2346 | spin_unlock_irqrestore(phba->host->host_lock, drvr_flag); |
| 2347 | return (status); |
| 2348 | } |
| 2349 | |
| 2350 | static int |
| 2351 | lpfc_sli_ringtx_put(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, |
| 2352 | struct lpfc_iocbq * piocb) |
| 2353 | { |
| 2354 | /* Insert the caller's iocb in the txq tail for later processing. */ |
| 2355 | list_add_tail(&piocb->list, &pring->txq); |
| 2356 | pring->txq_cnt++; |
| 2357 | return (0); |
| 2358 | } |
| 2359 | |
| 2360 | static struct lpfc_iocbq * |
| 2361 | lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 2362 | struct lpfc_iocbq ** piocb) |
| 2363 | { |
| 2364 | struct lpfc_iocbq * nextiocb; |
| 2365 | |
| 2366 | nextiocb = lpfc_sli_ringtx_get(phba, pring); |
| 2367 | if (!nextiocb) { |
| 2368 | nextiocb = *piocb; |
| 2369 | *piocb = NULL; |
| 2370 | } |
| 2371 | |
| 2372 | return nextiocb; |
| 2373 | } |
| 2374 | |
| 2375 | int |
| 2376 | lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 2377 | struct lpfc_iocbq *piocb, uint32_t flag) |
| 2378 | { |
| 2379 | struct lpfc_iocbq *nextiocb; |
| 2380 | IOCB_t *iocb; |
| 2381 | |
Linas Vepstas | 8d63f37 | 2007-02-14 14:28:36 -0600 | [diff] [blame] | 2382 | /* If the PCI channel is in offline state, do not post iocbs. */ |
| 2383 | if (unlikely(pci_channel_offline(phba->pcidev))) |
| 2384 | return IOCB_ERROR; |
| 2385 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2386 | /* |
| 2387 | * We should never get an IOCB if we are in a < LINK_DOWN state |
| 2388 | */ |
| 2389 | if (unlikely(phba->hba_state < LPFC_LINK_DOWN)) |
| 2390 | return IOCB_ERROR; |
| 2391 | |
| 2392 | /* |
| 2393 | * Check to see if we are blocking IOCB processing because of a |
| 2394 | * outstanding mbox command. |
| 2395 | */ |
| 2396 | if (unlikely(pring->flag & LPFC_STOP_IOCB_MBX)) |
| 2397 | goto iocb_busy; |
| 2398 | |
| 2399 | if (unlikely(phba->hba_state == LPFC_LINK_DOWN)) { |
| 2400 | /* |
| 2401 | * Only CREATE_XRI, CLOSE_XRI, ABORT_XRI, and QUE_RING_BUF |
| 2402 | * can be issued if the link is not up. |
| 2403 | */ |
| 2404 | switch (piocb->iocb.ulpCommand) { |
| 2405 | case CMD_QUE_RING_BUF_CN: |
| 2406 | case CMD_QUE_RING_BUF64_CN: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2407 | /* |
| 2408 | * For IOCBs, like QUE_RING_BUF, that have no rsp ring |
| 2409 | * completion, iocb_cmpl MUST be 0. |
| 2410 | */ |
| 2411 | if (piocb->iocb_cmpl) |
| 2412 | piocb->iocb_cmpl = NULL; |
| 2413 | /*FALLTHROUGH*/ |
| 2414 | case CMD_CREATE_XRI_CR: |
| 2415 | break; |
| 2416 | default: |
| 2417 | goto iocb_busy; |
| 2418 | } |
| 2419 | |
| 2420 | /* |
| 2421 | * For FCP commands, we must be in a state where we can process link |
| 2422 | * attention events. |
| 2423 | */ |
| 2424 | } else if (unlikely(pring->ringno == phba->sli.fcp_ring && |
| 2425 | !(phba->sli.sli_flag & LPFC_PROCESS_LA))) |
| 2426 | goto iocb_busy; |
| 2427 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2428 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
| 2429 | (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb))) |
| 2430 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); |
| 2431 | |
| 2432 | if (iocb) |
| 2433 | lpfc_sli_update_ring(phba, pring); |
| 2434 | else |
| 2435 | lpfc_sli_update_full_ring(phba, pring); |
| 2436 | |
| 2437 | if (!piocb) |
| 2438 | return IOCB_SUCCESS; |
| 2439 | |
| 2440 | goto out_busy; |
| 2441 | |
| 2442 | iocb_busy: |
| 2443 | pring->stats.iocb_cmd_delay++; |
| 2444 | |
| 2445 | out_busy: |
| 2446 | |
| 2447 | if (!(flag & SLI_IOCB_RET_IOCB)) { |
| 2448 | lpfc_sli_ringtx_put(phba, pring, piocb); |
| 2449 | return IOCB_SUCCESS; |
| 2450 | } |
| 2451 | |
| 2452 | return IOCB_BUSY; |
| 2453 | } |
| 2454 | |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 2455 | static int |
| 2456 | lpfc_extra_ring_setup( struct lpfc_hba *phba) |
| 2457 | { |
| 2458 | struct lpfc_sli *psli; |
| 2459 | struct lpfc_sli_ring *pring; |
| 2460 | |
| 2461 | psli = &phba->sli; |
| 2462 | |
| 2463 | /* Adjust cmd/rsp ring iocb entries more evenly */ |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 2464 | |
| 2465 | /* Take some away from the FCP ring */ |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 2466 | pring = &psli->ring[psli->fcp_ring]; |
| 2467 | pring->numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
| 2468 | pring->numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES; |
| 2469 | pring->numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES; |
| 2470 | pring->numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES; |
| 2471 | |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 2472 | /* and give them to the extra ring */ |
| 2473 | pring = &psli->ring[psli->extra_ring]; |
| 2474 | |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 2475 | pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
| 2476 | pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; |
| 2477 | pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; |
| 2478 | pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; |
| 2479 | |
| 2480 | /* Setup default profile for this ring */ |
| 2481 | pring->iotag_max = 4096; |
| 2482 | pring->num_mask = 1; |
| 2483 | pring->prt[0].profile = 0; /* Mask 0 */ |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 2484 | pring->prt[0].rctl = phba->cfg_multi_ring_rctl; |
| 2485 | pring->prt[0].type = phba->cfg_multi_ring_type; |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 2486 | pring->prt[0].lpfc_sli_rcv_unsol_event = NULL; |
| 2487 | return 0; |
| 2488 | } |
| 2489 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2490 | int |
| 2491 | lpfc_sli_setup(struct lpfc_hba *phba) |
| 2492 | { |
| 2493 | int i, totiocb = 0; |
| 2494 | struct lpfc_sli *psli = &phba->sli; |
| 2495 | struct lpfc_sli_ring *pring; |
| 2496 | |
| 2497 | psli->num_rings = MAX_CONFIGURED_RINGS; |
| 2498 | psli->sli_flag = 0; |
| 2499 | psli->fcp_ring = LPFC_FCP_RING; |
| 2500 | psli->next_ring = LPFC_FCP_NEXT_RING; |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 2501 | psli->extra_ring = LPFC_EXTRA_RING; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2502 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2503 | psli->iocbq_lookup = NULL; |
| 2504 | psli->iocbq_lookup_len = 0; |
| 2505 | psli->last_iotag = 0; |
| 2506 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2507 | for (i = 0; i < psli->num_rings; i++) { |
| 2508 | pring = &psli->ring[i]; |
| 2509 | switch (i) { |
| 2510 | case LPFC_FCP_RING: /* ring 0 - FCP */ |
| 2511 | /* numCiocb and numRiocb are used in config_port */ |
| 2512 | pring->numCiocb = SLI2_IOCB_CMD_R0_ENTRIES; |
| 2513 | pring->numRiocb = SLI2_IOCB_RSP_R0_ENTRIES; |
| 2514 | pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
| 2515 | pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; |
| 2516 | pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; |
| 2517 | pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; |
| 2518 | pring->iotag_ctr = 0; |
| 2519 | pring->iotag_max = |
| 2520 | (phba->cfg_hba_queue_depth * 2); |
| 2521 | pring->fast_iotag = pring->iotag_max; |
| 2522 | pring->num_mask = 0; |
| 2523 | break; |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 2524 | case LPFC_EXTRA_RING: /* ring 1 - EXTRA */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2525 | /* numCiocb and numRiocb are used in config_port */ |
| 2526 | pring->numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; |
| 2527 | pring->numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; |
| 2528 | pring->num_mask = 0; |
| 2529 | break; |
| 2530 | case LPFC_ELS_RING: /* ring 2 - ELS / CT */ |
| 2531 | /* numCiocb and numRiocb are used in config_port */ |
| 2532 | pring->numCiocb = SLI2_IOCB_CMD_R2_ENTRIES; |
| 2533 | pring->numRiocb = SLI2_IOCB_RSP_R2_ENTRIES; |
| 2534 | pring->fast_iotag = 0; |
| 2535 | pring->iotag_ctr = 0; |
| 2536 | pring->iotag_max = 4096; |
| 2537 | pring->num_mask = 4; |
| 2538 | pring->prt[0].profile = 0; /* Mask 0 */ |
| 2539 | pring->prt[0].rctl = FC_ELS_REQ; |
| 2540 | pring->prt[0].type = FC_ELS_DATA; |
| 2541 | pring->prt[0].lpfc_sli_rcv_unsol_event = |
| 2542 | lpfc_els_unsol_event; |
| 2543 | pring->prt[1].profile = 0; /* Mask 1 */ |
| 2544 | pring->prt[1].rctl = FC_ELS_RSP; |
| 2545 | pring->prt[1].type = FC_ELS_DATA; |
| 2546 | pring->prt[1].lpfc_sli_rcv_unsol_event = |
| 2547 | lpfc_els_unsol_event; |
| 2548 | pring->prt[2].profile = 0; /* Mask 2 */ |
| 2549 | /* NameServer Inquiry */ |
| 2550 | pring->prt[2].rctl = FC_UNSOL_CTL; |
| 2551 | /* NameServer */ |
| 2552 | pring->prt[2].type = FC_COMMON_TRANSPORT_ULP; |
| 2553 | pring->prt[2].lpfc_sli_rcv_unsol_event = |
| 2554 | lpfc_ct_unsol_event; |
| 2555 | pring->prt[3].profile = 0; /* Mask 3 */ |
| 2556 | /* NameServer response */ |
| 2557 | pring->prt[3].rctl = FC_SOL_CTL; |
| 2558 | /* NameServer */ |
| 2559 | pring->prt[3].type = FC_COMMON_TRANSPORT_ULP; |
| 2560 | pring->prt[3].lpfc_sli_rcv_unsol_event = |
| 2561 | lpfc_ct_unsol_event; |
| 2562 | break; |
| 2563 | } |
| 2564 | totiocb += (pring->numCiocb + pring->numRiocb); |
| 2565 | } |
| 2566 | if (totiocb > MAX_SLI2_IOCB) { |
| 2567 | /* Too many cmd / rsp ring entries in SLI2 SLIM */ |
| 2568 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| 2569 | "%d:0462 Too many cmd / rsp ring entries in " |
| 2570 | "SLI2 SLIM Data: x%x x%x\n", |
| 2571 | phba->brd_no, totiocb, MAX_SLI2_IOCB); |
| 2572 | } |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 2573 | if (phba->cfg_multi_ring_support == 2) |
| 2574 | lpfc_extra_ring_setup(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2575 | |
| 2576 | return 0; |
| 2577 | } |
| 2578 | |
| 2579 | int |
| 2580 | lpfc_sli_queue_setup(struct lpfc_hba * phba) |
| 2581 | { |
| 2582 | struct lpfc_sli *psli; |
| 2583 | struct lpfc_sli_ring *pring; |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2584 | int i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2585 | |
| 2586 | psli = &phba->sli; |
| 2587 | spin_lock_irq(phba->host->host_lock); |
| 2588 | INIT_LIST_HEAD(&psli->mboxq); |
| 2589 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
| 2590 | for (i = 0; i < psli->num_rings; i++) { |
| 2591 | pring = &psli->ring[i]; |
| 2592 | pring->ringno = i; |
| 2593 | pring->next_cmdidx = 0; |
| 2594 | pring->local_getidx = 0; |
| 2595 | pring->cmdidx = 0; |
| 2596 | INIT_LIST_HEAD(&pring->txq); |
| 2597 | INIT_LIST_HEAD(&pring->txcmplq); |
| 2598 | INIT_LIST_HEAD(&pring->iocb_continueq); |
| 2599 | INIT_LIST_HEAD(&pring->postbufq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2600 | } |
| 2601 | spin_unlock_irq(phba->host->host_lock); |
| 2602 | return (1); |
| 2603 | } |
| 2604 | |
| 2605 | int |
| 2606 | lpfc_sli_hba_down(struct lpfc_hba * phba) |
| 2607 | { |
| 2608 | struct lpfc_sli *psli; |
| 2609 | struct lpfc_sli_ring *pring; |
| 2610 | LPFC_MBOXQ_t *pmb; |
| 2611 | struct lpfc_iocbq *iocb, *next_iocb; |
| 2612 | IOCB_t *icmd = NULL; |
| 2613 | int i; |
| 2614 | unsigned long flags = 0; |
| 2615 | |
| 2616 | psli = &phba->sli; |
| 2617 | lpfc_hba_down_prep(phba); |
| 2618 | |
| 2619 | spin_lock_irqsave(phba->host->host_lock, flags); |
| 2620 | |
| 2621 | for (i = 0; i < psli->num_rings; i++) { |
| 2622 | pring = &psli->ring[i]; |
| 2623 | pring->flag |= LPFC_DEFERRED_RING_EVENT; |
| 2624 | |
| 2625 | /* |
| 2626 | * Error everything on the txq since these iocbs have not been |
| 2627 | * given to the FW yet. |
| 2628 | */ |
| 2629 | pring->txq_cnt = 0; |
| 2630 | |
| 2631 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
| 2632 | list_del_init(&iocb->list); |
| 2633 | if (iocb->iocb_cmpl) { |
| 2634 | icmd = &iocb->iocb; |
| 2635 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 2636 | icmd->un.ulpWord[4] = IOERR_SLI_DOWN; |
| 2637 | spin_unlock_irqrestore(phba->host->host_lock, |
| 2638 | flags); |
| 2639 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
| 2640 | spin_lock_irqsave(phba->host->host_lock, flags); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2641 | } else |
| 2642 | lpfc_sli_release_iocbq(phba, iocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2643 | } |
| 2644 | |
| 2645 | INIT_LIST_HEAD(&(pring->txq)); |
| 2646 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2647 | } |
| 2648 | |
| 2649 | spin_unlock_irqrestore(phba->host->host_lock, flags); |
| 2650 | |
| 2651 | /* Return any active mbox cmds */ |
| 2652 | del_timer_sync(&psli->mbox_tmo); |
| 2653 | spin_lock_irqsave(phba->host->host_lock, flags); |
| 2654 | phba->work_hba_events &= ~WORKER_MBOX_TMO; |
| 2655 | if (psli->mbox_active) { |
| 2656 | pmb = psli->mbox_active; |
| 2657 | pmb->mb.mbxStatus = MBX_NOT_FINISHED; |
| 2658 | if (pmb->mbox_cmpl) { |
| 2659 | spin_unlock_irqrestore(phba->host->host_lock, flags); |
| 2660 | pmb->mbox_cmpl(phba,pmb); |
| 2661 | spin_lock_irqsave(phba->host->host_lock, flags); |
| 2662 | } |
| 2663 | } |
| 2664 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 2665 | psli->mbox_active = NULL; |
| 2666 | |
| 2667 | /* Return any pending mbox cmds */ |
| 2668 | while ((pmb = lpfc_mbox_get(phba)) != NULL) { |
| 2669 | pmb->mb.mbxStatus = MBX_NOT_FINISHED; |
| 2670 | if (pmb->mbox_cmpl) { |
| 2671 | spin_unlock_irqrestore(phba->host->host_lock, flags); |
| 2672 | pmb->mbox_cmpl(phba,pmb); |
| 2673 | spin_lock_irqsave(phba->host->host_lock, flags); |
| 2674 | } |
| 2675 | } |
| 2676 | |
| 2677 | INIT_LIST_HEAD(&psli->mboxq); |
| 2678 | |
| 2679 | spin_unlock_irqrestore(phba->host->host_lock, flags); |
| 2680 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2681 | return 1; |
| 2682 | } |
| 2683 | |
| 2684 | void |
| 2685 | lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) |
| 2686 | { |
| 2687 | uint32_t *src = srcp; |
| 2688 | uint32_t *dest = destp; |
| 2689 | uint32_t ldata; |
| 2690 | int i; |
| 2691 | |
| 2692 | for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) { |
| 2693 | ldata = *src; |
| 2694 | ldata = le32_to_cpu(ldata); |
| 2695 | *dest = ldata; |
| 2696 | src++; |
| 2697 | dest++; |
| 2698 | } |
| 2699 | } |
| 2700 | |
| 2701 | int |
| 2702 | lpfc_sli_ringpostbuf_put(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, |
| 2703 | struct lpfc_dmabuf * mp) |
| 2704 | { |
| 2705 | /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up |
| 2706 | later */ |
| 2707 | list_add_tail(&mp->list, &pring->postbufq); |
| 2708 | |
| 2709 | pring->postbufq_cnt++; |
| 2710 | return 0; |
| 2711 | } |
| 2712 | |
| 2713 | |
| 2714 | struct lpfc_dmabuf * |
| 2715 | lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 2716 | dma_addr_t phys) |
| 2717 | { |
| 2718 | struct lpfc_dmabuf *mp, *next_mp; |
| 2719 | struct list_head *slp = &pring->postbufq; |
| 2720 | |
| 2721 | /* Search postbufq, from the begining, looking for a match on phys */ |
| 2722 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { |
| 2723 | if (mp->phys == phys) { |
| 2724 | list_del_init(&mp->list); |
| 2725 | pring->postbufq_cnt--; |
| 2726 | return mp; |
| 2727 | } |
| 2728 | } |
| 2729 | |
| 2730 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| 2731 | "%d:0410 Cannot find virtual addr for mapped buf on " |
| 2732 | "ring %d Data x%llx x%p x%p x%x\n", |
| 2733 | phba->brd_no, pring->ringno, (unsigned long long)phys, |
| 2734 | slp->next, slp->prev, pring->postbufq_cnt); |
| 2735 | return NULL; |
| 2736 | } |
| 2737 | |
| 2738 | static void |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame^] | 2739 | lpfc_sli_abort_els_cmpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
| 2740 | struct lpfc_iocbq * rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2741 | { |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame^] | 2742 | spin_lock_irq(phba->host->host_lock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2743 | lpfc_sli_release_iocbq(phba, cmdiocb); |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame^] | 2744 | spin_unlock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2745 | return; |
| 2746 | } |
| 2747 | |
| 2748 | int |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame^] | 2749 | lpfc_sli_issue_abort_iotag(struct lpfc_hba * phba, |
| 2750 | struct lpfc_sli_ring * pring, |
| 2751 | struct lpfc_iocbq * cmdiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2752 | { |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2753 | struct lpfc_iocbq *abtsiocbp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2754 | IOCB_t *icmd = NULL; |
| 2755 | IOCB_t *iabt = NULL; |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame^] | 2756 | int retval = IOCB_ERROR; |
| 2757 | |
| 2758 | /* There are certain command types we don't want |
| 2759 | * to abort. |
| 2760 | */ |
| 2761 | icmd = &cmdiocb->iocb; |
| 2762 | if ((icmd->ulpCommand == CMD_ABORT_XRI_CN) || |
| 2763 | (icmd->ulpCommand == CMD_CLOSE_XRI_CN)) |
| 2764 | return 0; |
| 2765 | |
| 2766 | /* If we're unloading, interrupts are disabled so we |
| 2767 | * need to cleanup the iocb here. |
| 2768 | */ |
| 2769 | if (phba->fc_flag & FC_UNLOADING) |
| 2770 | goto abort_iotag_exit; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2771 | |
| 2772 | /* issue ABTS for this IOCB based on iotag */ |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2773 | abtsiocbp = lpfc_sli_get_iocbq(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2774 | if (abtsiocbp == NULL) |
| 2775 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2776 | |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame^] | 2777 | /* This signals the response to set the correct status |
| 2778 | * before calling the completion handler. |
| 2779 | */ |
| 2780 | cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; |
| 2781 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2782 | iabt = &abtsiocbp->iocb; |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame^] | 2783 | iabt->un.acxri.abortType = ABORT_TYPE_ABTS; |
| 2784 | iabt->un.acxri.abortContextTag = icmd->ulpContext; |
| 2785 | iabt->un.acxri.abortIoTag = icmd->ulpIoTag; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2786 | iabt->ulpLe = 1; |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame^] | 2787 | iabt->ulpClass = icmd->ulpClass; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2788 | |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame^] | 2789 | if (phba->hba_state >= LPFC_LINK_UP) |
| 2790 | iabt->ulpCommand = CMD_ABORT_XRI_CN; |
| 2791 | else |
| 2792 | iabt->ulpCommand = CMD_CLOSE_XRI_CN; |
| 2793 | |
| 2794 | abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl; |
| 2795 | retval = lpfc_sli_issue_iocb(phba, pring, abtsiocbp, 0); |
| 2796 | |
| 2797 | abort_iotag_exit: |
| 2798 | |
| 2799 | /* If we could not issue an abort dequeue the iocb and handle |
| 2800 | * the completion here. |
| 2801 | */ |
| 2802 | if (retval == IOCB_ERROR) { |
| 2803 | list_del(&cmdiocb->list); |
| 2804 | pring->txcmplq_cnt--; |
| 2805 | |
| 2806 | if (cmdiocb->iocb_cmpl) { |
| 2807 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 2808 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 2809 | spin_unlock_irq(phba->host->host_lock); |
| 2810 | (cmdiocb->iocb_cmpl) (phba, cmdiocb, cmdiocb); |
| 2811 | spin_lock_irq(phba->host->host_lock); |
| 2812 | } else |
| 2813 | lpfc_sli_release_iocbq(phba, cmdiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2814 | } |
| 2815 | |
| 2816 | return 1; |
| 2817 | } |
| 2818 | |
| 2819 | static int |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2820 | lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, uint16_t tgt_id, |
| 2821 | uint64_t lun_id, uint32_t ctx, |
| 2822 | lpfc_ctx_cmd ctx_cmd) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2823 | { |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2824 | struct lpfc_scsi_buf *lpfc_cmd; |
| 2825 | struct scsi_cmnd *cmnd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2826 | int rc = 1; |
| 2827 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2828 | if (!(iocbq->iocb_flag & LPFC_IO_FCP)) |
| 2829 | return rc; |
| 2830 | |
| 2831 | lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq); |
| 2832 | cmnd = lpfc_cmd->pCmd; |
| 2833 | |
| 2834 | if (cmnd == NULL) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2835 | return rc; |
| 2836 | |
| 2837 | switch (ctx_cmd) { |
| 2838 | case LPFC_CTX_LUN: |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2839 | if ((cmnd->device->id == tgt_id) && |
| 2840 | (cmnd->device->lun == lun_id)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2841 | rc = 0; |
| 2842 | break; |
| 2843 | case LPFC_CTX_TGT: |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2844 | if (cmnd->device->id == tgt_id) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2845 | rc = 0; |
| 2846 | break; |
| 2847 | case LPFC_CTX_CTX: |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2848 | if (iocbq->iocb.ulpContext == ctx) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2849 | rc = 0; |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2850 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2851 | case LPFC_CTX_HOST: |
| 2852 | rc = 0; |
| 2853 | break; |
| 2854 | default: |
| 2855 | printk(KERN_ERR "%s: Unknown context cmd type, value %d\n", |
| 2856 | __FUNCTION__, ctx_cmd); |
| 2857 | break; |
| 2858 | } |
| 2859 | |
| 2860 | return rc; |
| 2861 | } |
| 2862 | |
| 2863 | int |
| 2864 | lpfc_sli_sum_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 2865 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd ctx_cmd) |
| 2866 | { |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2867 | struct lpfc_iocbq *iocbq; |
| 2868 | int sum, i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2869 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2870 | for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) { |
| 2871 | iocbq = phba->sli.iocbq_lookup[i]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2872 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2873 | if (lpfc_sli_validate_fcp_iocb (iocbq, tgt_id, lun_id, |
| 2874 | 0, ctx_cmd) == 0) |
| 2875 | sum++; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2876 | } |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2877 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2878 | return sum; |
| 2879 | } |
| 2880 | |
James.Smart@Emulex.Com | 5eb95af | 2005-06-25 10:34:30 -0400 | [diff] [blame] | 2881 | void |
| 2882 | lpfc_sli_abort_fcp_cmpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
| 2883 | struct lpfc_iocbq * rspiocb) |
| 2884 | { |
| 2885 | spin_lock_irq(phba->host->host_lock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2886 | lpfc_sli_release_iocbq(phba, cmdiocb); |
James.Smart@Emulex.Com | 5eb95af | 2005-06-25 10:34:30 -0400 | [diff] [blame] | 2887 | spin_unlock_irq(phba->host->host_lock); |
| 2888 | return; |
| 2889 | } |
| 2890 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2891 | int |
| 2892 | lpfc_sli_abort_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 2893 | uint16_t tgt_id, uint64_t lun_id, uint32_t ctx, |
| 2894 | lpfc_ctx_cmd abort_cmd) |
| 2895 | { |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2896 | struct lpfc_iocbq *iocbq; |
| 2897 | struct lpfc_iocbq *abtsiocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2898 | IOCB_t *cmd = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2899 | int errcnt = 0, ret_val = 0; |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2900 | int i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2901 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2902 | for (i = 1; i <= phba->sli.last_iotag; i++) { |
| 2903 | iocbq = phba->sli.iocbq_lookup[i]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2904 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2905 | if (lpfc_sli_validate_fcp_iocb (iocbq, tgt_id, lun_id, |
| 2906 | 0, abort_cmd) != 0) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2907 | continue; |
| 2908 | |
| 2909 | /* issue ABTS for this IOCB based on iotag */ |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2910 | abtsiocb = lpfc_sli_get_iocbq(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2911 | if (abtsiocb == NULL) { |
| 2912 | errcnt++; |
| 2913 | continue; |
| 2914 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2915 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 2916 | cmd = &iocbq->iocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2917 | abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; |
| 2918 | abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext; |
| 2919 | abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag; |
| 2920 | abtsiocb->iocb.ulpLe = 1; |
| 2921 | abtsiocb->iocb.ulpClass = cmd->ulpClass; |
| 2922 | |
| 2923 | if (phba->hba_state >= LPFC_LINK_UP) |
| 2924 | abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
| 2925 | else |
| 2926 | abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN; |
| 2927 | |
James.Smart@Emulex.Com | 5eb95af | 2005-06-25 10:34:30 -0400 | [diff] [blame] | 2928 | /* Setup callback routine and issue the command. */ |
| 2929 | abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2930 | ret_val = lpfc_sli_issue_iocb(phba, pring, abtsiocb, 0); |
| 2931 | if (ret_val == IOCB_ERROR) { |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2932 | lpfc_sli_release_iocbq(phba, abtsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2933 | errcnt++; |
| 2934 | continue; |
| 2935 | } |
| 2936 | } |
| 2937 | |
| 2938 | return errcnt; |
| 2939 | } |
| 2940 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2941 | static void |
| 2942 | lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, |
| 2943 | struct lpfc_iocbq *cmdiocbq, |
| 2944 | struct lpfc_iocbq *rspiocbq) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2945 | { |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2946 | wait_queue_head_t *pdone_q; |
| 2947 | unsigned long iflags; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2948 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2949 | spin_lock_irqsave(phba->host->host_lock, iflags); |
| 2950 | cmdiocbq->iocb_flag |= LPFC_IO_WAKE; |
| 2951 | if (cmdiocbq->context2 && rspiocbq) |
| 2952 | memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb, |
| 2953 | &rspiocbq->iocb, sizeof(IOCB_t)); |
| 2954 | |
| 2955 | pdone_q = cmdiocbq->context_un.wait_queue; |
| 2956 | spin_unlock_irqrestore(phba->host->host_lock, iflags); |
| 2957 | if (pdone_q) |
| 2958 | wake_up(pdone_q); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2959 | return; |
| 2960 | } |
| 2961 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2962 | /* |
| 2963 | * Issue the caller's iocb and wait for its completion, but no longer than the |
| 2964 | * caller's timeout. Note that iocb_flags is cleared before the |
| 2965 | * lpfc_sli_issue_call since the wake routine sets a unique value and by |
| 2966 | * definition this is a wait function. |
| 2967 | */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2968 | int |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2969 | lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba, |
| 2970 | struct lpfc_sli_ring * pring, |
| 2971 | struct lpfc_iocbq * piocb, |
| 2972 | struct lpfc_iocbq * prspiocbq, |
| 2973 | uint32_t timeout) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2974 | { |
Peter Zijlstra | 7259f0d | 2006-10-29 22:46:36 -0800 | [diff] [blame] | 2975 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2976 | long timeleft, timeout_req = 0; |
| 2977 | int retval = IOCB_SUCCESS; |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 2978 | uint32_t creg_val; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2979 | |
| 2980 | /* |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2981 | * If the caller has provided a response iocbq buffer, then context2 |
| 2982 | * is NULL or its an error. |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2983 | */ |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2984 | if (prspiocbq) { |
| 2985 | if (piocb->context2) |
| 2986 | return IOCB_ERROR; |
| 2987 | piocb->context2 = prspiocbq; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2988 | } |
| 2989 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 2990 | piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait; |
| 2991 | piocb->context_un.wait_queue = &done_q; |
| 2992 | piocb->iocb_flag &= ~LPFC_IO_WAKE; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2993 | |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 2994 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
| 2995 | creg_val = readl(phba->HCregaddr); |
| 2996 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
| 2997 | writel(creg_val, phba->HCregaddr); |
| 2998 | readl(phba->HCregaddr); /* flush */ |
| 2999 | } |
| 3000 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3001 | retval = lpfc_sli_issue_iocb(phba, pring, piocb, 0); |
| 3002 | if (retval == IOCB_SUCCESS) { |
| 3003 | timeout_req = timeout * HZ; |
| 3004 | spin_unlock_irq(phba->host->host_lock); |
| 3005 | timeleft = wait_event_timeout(done_q, |
| 3006 | piocb->iocb_flag & LPFC_IO_WAKE, |
| 3007 | timeout_req); |
| 3008 | spin_lock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3009 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3010 | if (timeleft == 0) { |
| 3011 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 3012 | "%d:0338 IOCB wait timeout error - no " |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3013 | "wake response Data x%x\n", |
| 3014 | phba->brd_no, timeout); |
| 3015 | retval = IOCB_TIMEDOUT; |
| 3016 | } else if (!(piocb->iocb_flag & LPFC_IO_WAKE)) { |
| 3017 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
| 3018 | "%d:0330 IOCB wake NOT set, " |
| 3019 | "Data x%x x%lx\n", phba->brd_no, |
| 3020 | timeout, (timeleft / jiffies)); |
| 3021 | retval = IOCB_TIMEDOUT; |
| 3022 | } else { |
| 3023 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
| 3024 | "%d:0331 IOCB wake signaled\n", |
| 3025 | phba->brd_no); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3026 | } |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3027 | } else { |
| 3028 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
| 3029 | "%d:0332 IOCB wait issue failed, Data x%x\n", |
| 3030 | phba->brd_no, retval); |
| 3031 | retval = IOCB_ERROR; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3032 | } |
| 3033 | |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 3034 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
| 3035 | creg_val = readl(phba->HCregaddr); |
| 3036 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
| 3037 | writel(creg_val, phba->HCregaddr); |
| 3038 | readl(phba->HCregaddr); /* flush */ |
| 3039 | } |
| 3040 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3041 | if (prspiocbq) |
| 3042 | piocb->context2 = NULL; |
| 3043 | |
| 3044 | piocb->context_un.wait_queue = NULL; |
| 3045 | piocb->iocb_cmpl = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3046 | return retval; |
| 3047 | } |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3048 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3049 | int |
| 3050 | lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq, |
| 3051 | uint32_t timeout) |
| 3052 | { |
Peter Zijlstra | 7259f0d | 2006-10-29 22:46:36 -0800 | [diff] [blame] | 3053 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3054 | DECLARE_WAITQUEUE(wq_entry, current); |
| 3055 | uint32_t timeleft = 0; |
| 3056 | int retval; |
| 3057 | |
| 3058 | /* The caller must leave context1 empty. */ |
| 3059 | if (pmboxq->context1 != 0) { |
| 3060 | return (MBX_NOT_FINISHED); |
| 3061 | } |
| 3062 | |
| 3063 | /* setup wake call as IOCB callback */ |
| 3064 | pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait; |
| 3065 | /* setup context field to pass wait_queue pointer to wake function */ |
| 3066 | pmboxq->context1 = &done_q; |
| 3067 | |
| 3068 | /* start to sleep before we wait, to avoid races */ |
| 3069 | set_current_state(TASK_INTERRUPTIBLE); |
| 3070 | add_wait_queue(&done_q, &wq_entry); |
| 3071 | |
| 3072 | /* now issue the command */ |
| 3073 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); |
| 3074 | |
| 3075 | if (retval == MBX_BUSY || retval == MBX_SUCCESS) { |
| 3076 | timeleft = schedule_timeout(timeout * HZ); |
| 3077 | pmboxq->context1 = NULL; |
| 3078 | /* if schedule_timeout returns 0, we timed out and were not |
| 3079 | woken up */ |
Jamie Wellnitz | 406d604 | 2006-02-28 19:25:20 -0500 | [diff] [blame] | 3080 | if ((timeleft == 0) || signal_pending(current)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3081 | retval = MBX_TIMEOUT; |
Jamie Wellnitz | 406d604 | 2006-02-28 19:25:20 -0500 | [diff] [blame] | 3082 | else |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3083 | retval = MBX_SUCCESS; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3084 | } |
| 3085 | |
| 3086 | |
| 3087 | set_current_state(TASK_RUNNING); |
| 3088 | remove_wait_queue(&done_q, &wq_entry); |
| 3089 | return retval; |
| 3090 | } |
| 3091 | |
James Smart | b4c0265 | 2006-07-06 15:50:43 -0400 | [diff] [blame] | 3092 | int |
| 3093 | lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba) |
| 3094 | { |
| 3095 | int i = 0; |
| 3096 | |
| 3097 | while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE && !phba->stopped) { |
| 3098 | if (i++ > LPFC_MBOX_TMO * 1000) |
| 3099 | return 1; |
| 3100 | |
| 3101 | if (lpfc_sli_handle_mb_event(phba) == 0) |
| 3102 | i = 0; |
| 3103 | |
| 3104 | msleep(1); |
| 3105 | } |
| 3106 | |
| 3107 | return (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) ? 1 : 0; |
| 3108 | } |
| 3109 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3110 | irqreturn_t |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 3111 | lpfc_intr_handler(int irq, void *dev_id) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3112 | { |
| 3113 | struct lpfc_hba *phba; |
| 3114 | uint32_t ha_copy; |
| 3115 | uint32_t work_ha_copy; |
| 3116 | unsigned long status; |
| 3117 | int i; |
| 3118 | uint32_t control; |
| 3119 | |
| 3120 | /* |
| 3121 | * Get the driver's phba structure from the dev_id and |
| 3122 | * assume the HBA is not interrupting. |
| 3123 | */ |
| 3124 | phba = (struct lpfc_hba *) dev_id; |
| 3125 | |
| 3126 | if (unlikely(!phba)) |
| 3127 | return IRQ_NONE; |
| 3128 | |
Linas Vepstas | 8d63f37 | 2007-02-14 14:28:36 -0600 | [diff] [blame] | 3129 | /* If the pci channel is offline, ignore all the interrupts. */ |
| 3130 | if (unlikely(pci_channel_offline(phba->pcidev))) |
| 3131 | return IRQ_NONE; |
| 3132 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3133 | phba->sli.slistat.sli_intr++; |
| 3134 | |
| 3135 | /* |
| 3136 | * Call the HBA to see if it is interrupting. If not, don't claim |
| 3137 | * the interrupt |
| 3138 | */ |
| 3139 | |
| 3140 | /* Ignore all interrupts during initialization. */ |
| 3141 | if (unlikely(phba->hba_state < LPFC_LINK_DOWN)) |
| 3142 | return IRQ_NONE; |
| 3143 | |
| 3144 | /* |
| 3145 | * Read host attention register to determine interrupt source |
| 3146 | * Clear Attention Sources, except Error Attention (to |
| 3147 | * preserve status) and Link Attention |
| 3148 | */ |
| 3149 | spin_lock(phba->host->host_lock); |
| 3150 | ha_copy = readl(phba->HAregaddr); |
| 3151 | writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); |
| 3152 | readl(phba->HAregaddr); /* flush */ |
| 3153 | spin_unlock(phba->host->host_lock); |
| 3154 | |
| 3155 | if (unlikely(!ha_copy)) |
| 3156 | return IRQ_NONE; |
| 3157 | |
| 3158 | work_ha_copy = ha_copy & phba->work_ha_mask; |
| 3159 | |
| 3160 | if (unlikely(work_ha_copy)) { |
| 3161 | if (work_ha_copy & HA_LATT) { |
| 3162 | if (phba->sli.sli_flag & LPFC_PROCESS_LA) { |
| 3163 | /* |
| 3164 | * Turn off Link Attention interrupts |
| 3165 | * until CLEAR_LA done |
| 3166 | */ |
| 3167 | spin_lock(phba->host->host_lock); |
| 3168 | phba->sli.sli_flag &= ~LPFC_PROCESS_LA; |
| 3169 | control = readl(phba->HCregaddr); |
| 3170 | control &= ~HC_LAINT_ENA; |
| 3171 | writel(control, phba->HCregaddr); |
| 3172 | readl(phba->HCregaddr); /* flush */ |
| 3173 | spin_unlock(phba->host->host_lock); |
| 3174 | } |
| 3175 | else |
| 3176 | work_ha_copy &= ~HA_LATT; |
| 3177 | } |
| 3178 | |
| 3179 | if (work_ha_copy & ~(HA_ERATT|HA_MBATT|HA_LATT)) { |
| 3180 | for (i = 0; i < phba->sli.num_rings; i++) { |
| 3181 | if (work_ha_copy & (HA_RXATT << (4*i))) { |
| 3182 | /* |
| 3183 | * Turn off Slow Rings interrupts |
| 3184 | */ |
| 3185 | spin_lock(phba->host->host_lock); |
| 3186 | control = readl(phba->HCregaddr); |
| 3187 | control &= ~(HC_R0INT_ENA << i); |
| 3188 | writel(control, phba->HCregaddr); |
| 3189 | readl(phba->HCregaddr); /* flush */ |
| 3190 | spin_unlock(phba->host->host_lock); |
| 3191 | } |
| 3192 | } |
| 3193 | } |
| 3194 | |
| 3195 | if (work_ha_copy & HA_ERATT) { |
| 3196 | phba->hba_state = LPFC_HBA_ERROR; |
| 3197 | /* |
| 3198 | * There was a link/board error. Read the |
| 3199 | * status register to retrieve the error event |
| 3200 | * and process it. |
| 3201 | */ |
| 3202 | phba->sli.slistat.err_attn_event++; |
| 3203 | /* Save status info */ |
| 3204 | phba->work_hs = readl(phba->HSregaddr); |
| 3205 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); |
| 3206 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); |
| 3207 | |
| 3208 | /* Clear Chip error bit */ |
| 3209 | writel(HA_ERATT, phba->HAregaddr); |
| 3210 | readl(phba->HAregaddr); /* flush */ |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 3211 | phba->stopped = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3212 | } |
| 3213 | |
| 3214 | spin_lock(phba->host->host_lock); |
| 3215 | phba->work_ha |= work_ha_copy; |
| 3216 | if (phba->work_wait) |
| 3217 | wake_up(phba->work_wait); |
| 3218 | spin_unlock(phba->host->host_lock); |
| 3219 | } |
| 3220 | |
| 3221 | ha_copy &= ~(phba->work_ha_mask); |
| 3222 | |
| 3223 | /* |
| 3224 | * Process all events on FCP ring. Take the optimized path for |
| 3225 | * FCP IO. Any other IO is slow path and is handled by |
| 3226 | * the worker thread. |
| 3227 | */ |
| 3228 | status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); |
| 3229 | status >>= (4*LPFC_FCP_RING); |
| 3230 | if (status & HA_RXATT) |
| 3231 | lpfc_sli_handle_fast_ring_event(phba, |
| 3232 | &phba->sli.ring[LPFC_FCP_RING], |
| 3233 | status); |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 3234 | |
| 3235 | if (phba->cfg_multi_ring_support == 2) { |
| 3236 | /* |
| 3237 | * Process all events on extra ring. Take the optimized path |
| 3238 | * for extra ring IO. Any other IO is slow path and is handled |
| 3239 | * by the worker thread. |
| 3240 | */ |
| 3241 | status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); |
| 3242 | status >>= (4*LPFC_EXTRA_RING); |
| 3243 | if (status & HA_RXATT) { |
| 3244 | lpfc_sli_handle_fast_ring_event(phba, |
| 3245 | &phba->sli.ring[LPFC_EXTRA_RING], |
| 3246 | status); |
| 3247 | } |
| 3248 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3249 | return IRQ_HANDLED; |
| 3250 | |
| 3251 | } /* lpfc_intr_handler */ |