| 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/ctype.h> |
James Smart | 46fa311 | 2007-04-25 09:51:45 -0400 | [diff] [blame] | 23 | #include <linux/delay.h> |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 24 | #include <linux/pci.h> |
| 25 | #include <linux/interrupt.h> |
| 26 | |
James.Smart@Emulex.Com | 9188652 | 2005-08-10 15:03:09 -0400 | [diff] [blame] | 27 | #include <scsi/scsi.h> |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 28 | #include <scsi/scsi_device.h> |
| 29 | #include <scsi/scsi_host.h> |
| 30 | #include <scsi/scsi_tcq.h> |
| 31 | #include <scsi/scsi_transport_fc.h> |
| 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_logmsg.h" |
| 39 | #include "lpfc_version.h" |
| 40 | #include "lpfc_compat.h" |
| 41 | #include "lpfc_crtn.h" |
| 42 | |
James Smart | c01f320 | 2006-08-18 17:47:08 -0400 | [diff] [blame] | 43 | #define LPFC_DEF_DEVLOSS_TMO 30 |
| 44 | #define LPFC_MIN_DEVLOSS_TMO 1 |
| 45 | #define LPFC_MAX_DEVLOSS_TMO 255 |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 46 | |
| 47 | static void |
| 48 | lpfc_jedec_to_ascii(int incr, char hdw[]) |
| 49 | { |
| 50 | int i, j; |
| 51 | for (i = 0; i < 8; i++) { |
| 52 | j = (incr & 0xf); |
| 53 | if (j <= 9) |
| 54 | hdw[7 - i] = 0x30 + j; |
| 55 | else |
| 56 | hdw[7 - i] = 0x61 + j - 10; |
| 57 | incr = (incr >> 4); |
| 58 | } |
| 59 | hdw[8] = 0; |
| 60 | return; |
| 61 | } |
| 62 | |
| 63 | static ssize_t |
| 64 | lpfc_drvr_version_show(struct class_device *cdev, char *buf) |
| 65 | { |
| 66 | return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); |
| 67 | } |
| 68 | |
| 69 | static ssize_t |
| 70 | management_version_show(struct class_device *cdev, char *buf) |
| 71 | { |
| 72 | return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n"); |
| 73 | } |
| 74 | |
| 75 | static ssize_t |
| 76 | lpfc_info_show(struct class_device *cdev, char *buf) |
| 77 | { |
| 78 | struct Scsi_Host *host = class_to_shost(cdev); |
| 79 | return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); |
| 80 | } |
| 81 | |
| 82 | static ssize_t |
| 83 | lpfc_serialnum_show(struct class_device *cdev, char *buf) |
| 84 | { |
| 85 | struct Scsi_Host *host = class_to_shost(cdev); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 86 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 87 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
| 88 | } |
| 89 | |
| 90 | static ssize_t |
| 91 | lpfc_modeldesc_show(struct class_device *cdev, char *buf) |
| 92 | { |
| 93 | struct Scsi_Host *host = class_to_shost(cdev); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 94 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 95 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
| 96 | } |
| 97 | |
| 98 | static ssize_t |
| 99 | lpfc_modelname_show(struct class_device *cdev, char *buf) |
| 100 | { |
| 101 | struct Scsi_Host *host = class_to_shost(cdev); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 102 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 103 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
| 104 | } |
| 105 | |
| 106 | static ssize_t |
| 107 | lpfc_programtype_show(struct class_device *cdev, char *buf) |
| 108 | { |
| 109 | struct Scsi_Host *host = class_to_shost(cdev); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 110 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 111 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
| 112 | } |
| 113 | |
| 114 | static ssize_t |
| 115 | lpfc_portnum_show(struct class_device *cdev, char *buf) |
| 116 | { |
| 117 | struct Scsi_Host *host = class_to_shost(cdev); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 118 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 119 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
| 120 | } |
| 121 | |
| 122 | static ssize_t |
| 123 | lpfc_fwrev_show(struct class_device *cdev, char *buf) |
| 124 | { |
| 125 | struct Scsi_Host *host = class_to_shost(cdev); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 126 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 127 | char fwrev[32]; |
| 128 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
| 129 | return snprintf(buf, PAGE_SIZE, "%s\n",fwrev); |
| 130 | } |
| 131 | |
| 132 | static ssize_t |
| 133 | lpfc_hdw_show(struct class_device *cdev, char *buf) |
| 134 | { |
| 135 | char hdw[9]; |
| 136 | struct Scsi_Host *host = class_to_shost(cdev); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 137 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 138 | lpfc_vpd_t *vp = &phba->vpd; |
| 139 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
| 140 | return snprintf(buf, PAGE_SIZE, "%s\n", hdw); |
| 141 | } |
| 142 | static ssize_t |
| 143 | lpfc_option_rom_version_show(struct class_device *cdev, char *buf) |
| 144 | { |
| 145 | struct Scsi_Host *host = class_to_shost(cdev); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 146 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 147 | return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); |
| 148 | } |
| 149 | static ssize_t |
| 150 | lpfc_state_show(struct class_device *cdev, char *buf) |
| 151 | { |
| 152 | struct Scsi_Host *host = class_to_shost(cdev); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 153 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 154 | int len = 0; |
| 155 | switch (phba->hba_state) { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 156 | case LPFC_STATE_UNKNOWN: |
| 157 | case LPFC_WARM_START: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 158 | case LPFC_INIT_START: |
| 159 | case LPFC_INIT_MBX_CMDS: |
| 160 | case LPFC_LINK_DOWN: |
| 161 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n"); |
| 162 | break; |
| 163 | case LPFC_LINK_UP: |
| 164 | case LPFC_LOCAL_CFG_LINK: |
| 165 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n"); |
| 166 | break; |
| 167 | case LPFC_FLOGI: |
| 168 | case LPFC_FABRIC_CFG_LINK: |
| 169 | case LPFC_NS_REG: |
| 170 | case LPFC_NS_QRY: |
| 171 | case LPFC_BUILD_DISC_LIST: |
| 172 | case LPFC_DISC_AUTH: |
| 173 | case LPFC_CLEAR_LA: |
| 174 | len += snprintf(buf + len, PAGE_SIZE-len, |
| 175 | "Link Up - Discovery\n"); |
| 176 | break; |
| 177 | case LPFC_HBA_READY: |
| 178 | len += snprintf(buf + len, PAGE_SIZE-len, |
| 179 | "Link Up - Ready:\n"); |
| 180 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 181 | if (phba->fc_flag & FC_PUBLIC_LOOP) |
| 182 | len += snprintf(buf + len, PAGE_SIZE-len, |
| 183 | " Public Loop\n"); |
| 184 | else |
| 185 | len += snprintf(buf + len, PAGE_SIZE-len, |
| 186 | " Private Loop\n"); |
| 187 | } else { |
| 188 | if (phba->fc_flag & FC_FABRIC) |
| 189 | len += snprintf(buf + len, PAGE_SIZE-len, |
| 190 | " Fabric\n"); |
| 191 | else |
| 192 | len += snprintf(buf + len, PAGE_SIZE-len, |
| 193 | " Point-2-Point\n"); |
| 194 | } |
| 195 | } |
| 196 | return len; |
| 197 | } |
| 198 | |
| 199 | static ssize_t |
| 200 | lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf) |
| 201 | { |
| 202 | struct Scsi_Host *host = class_to_shost(cdev); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 203 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 204 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt + |
| 205 | phba->fc_unmap_cnt); |
| 206 | } |
| 207 | |
| 208 | |
Andrew Vasquez | 91ca7b0 | 2005-10-27 16:03:37 -0700 | [diff] [blame] | 209 | static int |
| 210 | lpfc_issue_lip(struct Scsi_Host *host) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 211 | { |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 212 | struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 213 | LPFC_MBOXQ_t *pmboxq; |
| 214 | int mbxstatus = MBXERR_ERROR; |
| 215 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 216 | if ((phba->fc_flag & FC_OFFLINE_MODE) || |
James Smart | 46fa311 | 2007-04-25 09:51:45 -0400 | [diff] [blame] | 217 | (phba->fc_flag & FC_BLOCK_MGMT_IO) || |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 218 | (phba->hba_state != LPFC_HBA_READY)) |
| 219 | return -EPERM; |
| 220 | |
| 221 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); |
| 222 | |
| 223 | if (!pmboxq) |
| 224 | return -ENOMEM; |
| 225 | |
| 226 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
James Smart | 4db621e | 2006-07-06 15:49:49 -0400 | [diff] [blame] | 227 | pmboxq->mb.mbxCommand = MBX_DOWN_LINK; |
| 228 | pmboxq->mb.mbxOwner = OWN_HOST; |
| 229 | |
James Smart | 33ccf8d | 2006-08-17 11:57:58 -0400 | [diff] [blame] | 230 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 231 | |
James Smart | 4db621e | 2006-07-06 15:49:49 -0400 | [diff] [blame] | 232 | if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) { |
| 233 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
| 234 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, |
| 235 | phba->cfg_link_speed); |
| 236 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, |
| 237 | phba->fc_ratov * 2); |
| 238 | } |
| 239 | |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 240 | lpfc_set_loopback_flag(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 241 | if (mbxstatus == MBX_TIMEOUT) |
| 242 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 243 | else |
James.Smart@Emulex.Com | 433c357 | 2005-10-28 20:28:56 -0400 | [diff] [blame] | 244 | mempool_free(pmboxq, phba->mbox_mem_pool); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 245 | |
| 246 | if (mbxstatus == MBXERR_ERROR) |
| 247 | return -EIO; |
| 248 | |
Andrew Vasquez | 91ca7b0 | 2005-10-27 16:03:37 -0700 | [diff] [blame] | 249 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 250 | } |
| 251 | |
James Smart | 40496f0 | 2006-07-06 15:50:22 -0400 | [diff] [blame] | 252 | static int |
James Smart | 46fa311 | 2007-04-25 09:51:45 -0400 | [diff] [blame] | 253 | lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) |
| 254 | { |
| 255 | struct completion online_compl; |
| 256 | struct lpfc_sli_ring *pring; |
| 257 | struct lpfc_sli *psli; |
| 258 | int status = 0; |
| 259 | int cnt = 0; |
| 260 | int i; |
| 261 | |
| 262 | init_completion(&online_compl); |
| 263 | lpfc_workq_post_event(phba, &status, &online_compl, |
| 264 | LPFC_EVT_OFFLINE_PREP); |
| 265 | wait_for_completion(&online_compl); |
| 266 | |
| 267 | if (status != 0) |
| 268 | return -EIO; |
| 269 | |
| 270 | psli = &phba->sli; |
| 271 | |
| 272 | for (i = 0; i < psli->num_rings; i++) { |
| 273 | pring = &psli->ring[i]; |
| 274 | /* The linkdown event takes 30 seconds to timeout. */ |
| 275 | while (pring->txcmplq_cnt) { |
| 276 | msleep(10); |
| 277 | if (cnt++ > 3000) { |
| 278 | lpfc_printf_log(phba, |
| 279 | KERN_WARNING, LOG_INIT, |
| 280 | "%d:0466 Outstanding IO when " |
| 281 | "bringing Adapter offline\n", |
| 282 | phba->brd_no); |
| 283 | break; |
| 284 | } |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | init_completion(&online_compl); |
| 289 | lpfc_workq_post_event(phba, &status, &online_compl, type); |
| 290 | wait_for_completion(&online_compl); |
| 291 | |
| 292 | if (status != 0) |
| 293 | return -EIO; |
| 294 | |
| 295 | return 0; |
| 296 | } |
| 297 | |
| 298 | static int |
James Smart | 40496f0 | 2006-07-06 15:50:22 -0400 | [diff] [blame] | 299 | lpfc_selective_reset(struct lpfc_hba *phba) |
| 300 | { |
| 301 | struct completion online_compl; |
| 302 | int status = 0; |
| 303 | |
James Smart | 46fa311 | 2007-04-25 09:51:45 -0400 | [diff] [blame] | 304 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
James Smart | 40496f0 | 2006-07-06 15:50:22 -0400 | [diff] [blame] | 305 | |
| 306 | if (status != 0) |
James Smart | 46fa311 | 2007-04-25 09:51:45 -0400 | [diff] [blame] | 307 | return status; |
James Smart | 40496f0 | 2006-07-06 15:50:22 -0400 | [diff] [blame] | 308 | |
| 309 | init_completion(&online_compl); |
| 310 | lpfc_workq_post_event(phba, &status, &online_compl, |
| 311 | LPFC_EVT_ONLINE); |
| 312 | wait_for_completion(&online_compl); |
| 313 | |
| 314 | if (status != 0) |
| 315 | return -EIO; |
| 316 | |
| 317 | return 0; |
| 318 | } |
| 319 | |
| 320 | static ssize_t |
| 321 | lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count) |
| 322 | { |
| 323 | struct Scsi_Host *host = class_to_shost(cdev); |
| 324 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| 325 | int status = -EINVAL; |
| 326 | |
| 327 | if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) |
| 328 | status = lpfc_selective_reset(phba); |
| 329 | |
| 330 | if (status == 0) |
| 331 | return strlen(buf); |
| 332 | else |
| 333 | return status; |
| 334 | } |
| 335 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 336 | static ssize_t |
| 337 | lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf) |
| 338 | { |
| 339 | struct Scsi_Host *host = class_to_shost(cdev); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 340 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 341 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
| 342 | } |
| 343 | |
| 344 | static ssize_t |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 345 | lpfc_board_mode_show(struct class_device *cdev, char *buf) |
| 346 | { |
| 347 | struct Scsi_Host *host = class_to_shost(cdev); |
| 348 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| 349 | char * state; |
| 350 | |
| 351 | if (phba->hba_state == LPFC_HBA_ERROR) |
| 352 | state = "error"; |
| 353 | else if (phba->hba_state == LPFC_WARM_START) |
| 354 | state = "warm start"; |
| 355 | else if (phba->hba_state == LPFC_INIT_START) |
| 356 | state = "offline"; |
| 357 | else |
| 358 | state = "online"; |
| 359 | |
| 360 | return snprintf(buf, PAGE_SIZE, "%s\n", state); |
| 361 | } |
| 362 | |
| 363 | static ssize_t |
| 364 | lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count) |
| 365 | { |
| 366 | struct Scsi_Host *host = class_to_shost(cdev); |
| 367 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| 368 | struct completion online_compl; |
| 369 | int status=0; |
| 370 | |
| 371 | init_completion(&online_compl); |
| 372 | |
James Smart | 46fa311 | 2007-04-25 09:51:45 -0400 | [diff] [blame] | 373 | if(strncmp(buf, "online", sizeof("online") - 1) == 0) { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 374 | lpfc_workq_post_event(phba, &status, &online_compl, |
| 375 | LPFC_EVT_ONLINE); |
James Smart | 46fa311 | 2007-04-25 09:51:45 -0400 | [diff] [blame] | 376 | wait_for_completion(&online_compl); |
| 377 | } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) |
| 378 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 379 | else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) |
James Smart | 46fa311 | 2007-04-25 09:51:45 -0400 | [diff] [blame] | 380 | status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); |
| 381 | else if (strncmp(buf, "error", sizeof("error") - 1) == 0) |
| 382 | status = lpfc_do_offline(phba, LPFC_EVT_KILL); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 383 | else |
| 384 | return -EINVAL; |
| 385 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 386 | if (!status) |
| 387 | return strlen(buf); |
| 388 | else |
| 389 | return -EIO; |
| 390 | } |
| 391 | |
| 392 | static ssize_t |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 393 | lpfc_poll_show(struct class_device *cdev, char *buf) |
| 394 | { |
| 395 | struct Scsi_Host *host = class_to_shost(cdev); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 396 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 397 | |
| 398 | return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); |
| 399 | } |
| 400 | |
| 401 | static ssize_t |
| 402 | lpfc_poll_store(struct class_device *cdev, const char *buf, |
| 403 | size_t count) |
| 404 | { |
| 405 | struct Scsi_Host *host = class_to_shost(cdev); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 406 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 407 | uint32_t creg_val; |
| 408 | uint32_t old_val; |
| 409 | int val=0; |
| 410 | |
| 411 | if (!isdigit(buf[0])) |
| 412 | return -EINVAL; |
| 413 | |
| 414 | if (sscanf(buf, "%i", &val) != 1) |
| 415 | return -EINVAL; |
| 416 | |
| 417 | if ((val & 0x3) != val) |
| 418 | return -EINVAL; |
| 419 | |
| 420 | spin_lock_irq(phba->host->host_lock); |
| 421 | |
| 422 | old_val = phba->cfg_poll; |
| 423 | |
| 424 | if (val & ENABLE_FCP_RING_POLLING) { |
| 425 | if ((val & DISABLE_FCP_RING_INT) && |
| 426 | !(old_val & DISABLE_FCP_RING_INT)) { |
| 427 | creg_val = readl(phba->HCregaddr); |
| 428 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
| 429 | writel(creg_val, phba->HCregaddr); |
| 430 | readl(phba->HCregaddr); /* flush */ |
| 431 | |
| 432 | lpfc_poll_start_timer(phba); |
| 433 | } |
| 434 | } else if (val != 0x0) { |
| 435 | spin_unlock_irq(phba->host->host_lock); |
| 436 | return -EINVAL; |
| 437 | } |
| 438 | |
| 439 | if (!(val & DISABLE_FCP_RING_INT) && |
| 440 | (old_val & DISABLE_FCP_RING_INT)) |
| 441 | { |
| 442 | spin_unlock_irq(phba->host->host_lock); |
| 443 | del_timer(&phba->fcp_poll_timer); |
| 444 | spin_lock_irq(phba->host->host_lock); |
| 445 | creg_val = readl(phba->HCregaddr); |
| 446 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
| 447 | writel(creg_val, phba->HCregaddr); |
| 448 | readl(phba->HCregaddr); /* flush */ |
| 449 | } |
| 450 | |
| 451 | phba->cfg_poll = val; |
| 452 | |
| 453 | spin_unlock_irq(phba->host->host_lock); |
| 454 | |
| 455 | return strlen(buf); |
| 456 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 457 | |
| 458 | #define lpfc_param_show(attr) \ |
| 459 | static ssize_t \ |
| 460 | lpfc_##attr##_show(struct class_device *cdev, char *buf) \ |
| 461 | { \ |
| 462 | struct Scsi_Host *host = class_to_shost(cdev);\ |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 463 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 464 | int val = 0;\ |
James.Smart@Emulex.Com | 7bcbb75 | 2005-10-28 20:29:13 -0400 | [diff] [blame] | 465 | val = phba->cfg_##attr;\ |
| 466 | return snprintf(buf, PAGE_SIZE, "%d\n",\ |
| 467 | phba->cfg_##attr);\ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 468 | } |
| 469 | |
James.Smart@Emulex.Com | 93a20f7 | 2005-10-28 20:29:32 -0400 | [diff] [blame] | 470 | #define lpfc_param_hex_show(attr) \ |
| 471 | static ssize_t \ |
| 472 | lpfc_##attr##_show(struct class_device *cdev, char *buf) \ |
| 473 | { \ |
| 474 | struct Scsi_Host *host = class_to_shost(cdev);\ |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 475 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\ |
James.Smart@Emulex.Com | 93a20f7 | 2005-10-28 20:29:32 -0400 | [diff] [blame] | 476 | int val = 0;\ |
| 477 | val = phba->cfg_##attr;\ |
| 478 | return snprintf(buf, PAGE_SIZE, "%#x\n",\ |
| 479 | phba->cfg_##attr);\ |
| 480 | } |
| 481 | |
James.Smart@Emulex.Com | 7bcbb75 | 2005-10-28 20:29:13 -0400 | [diff] [blame] | 482 | #define lpfc_param_init(attr, default, minval, maxval) \ |
| 483 | static int \ |
| 484 | lpfc_##attr##_init(struct lpfc_hba *phba, int val) \ |
| 485 | { \ |
| 486 | if (val >= minval && val <= maxval) {\ |
| 487 | phba->cfg_##attr = val;\ |
| 488 | return 0;\ |
| 489 | }\ |
| 490 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
| 491 | "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\ |
| 492 | "allowed range is ["#minval", "#maxval"]\n", \ |
| 493 | phba->brd_no, val); \ |
| 494 | phba->cfg_##attr = default;\ |
| 495 | return -EINVAL;\ |
| 496 | } |
| 497 | |
| 498 | #define lpfc_param_set(attr, default, minval, maxval) \ |
| 499 | static int \ |
| 500 | lpfc_##attr##_set(struct lpfc_hba *phba, int val) \ |
| 501 | { \ |
| 502 | if (val >= minval && val <= maxval) {\ |
| 503 | phba->cfg_##attr = val;\ |
| 504 | return 0;\ |
| 505 | }\ |
| 506 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
| 507 | "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\ |
| 508 | "allowed range is ["#minval", "#maxval"]\n", \ |
| 509 | phba->brd_no, val); \ |
| 510 | return -EINVAL;\ |
| 511 | } |
| 512 | |
| 513 | #define lpfc_param_store(attr) \ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 514 | static ssize_t \ |
| 515 | lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \ |
| 516 | { \ |
| 517 | struct Scsi_Host *host = class_to_shost(cdev);\ |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 518 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\ |
James.Smart@Emulex.Com | 7bcbb75 | 2005-10-28 20:29:13 -0400 | [diff] [blame] | 519 | int val=0;\ |
James.Smart@Emulex.Com | 93a20f7 | 2005-10-28 20:29:32 -0400 | [diff] [blame] | 520 | if (!isdigit(buf[0]))\ |
| 521 | return -EINVAL;\ |
| 522 | if (sscanf(buf, "%i", &val) != 1)\ |
| 523 | return -EINVAL;\ |
James.Smart@Emulex.Com | 7bcbb75 | 2005-10-28 20:29:13 -0400 | [diff] [blame] | 524 | if (lpfc_##attr##_set(phba, val) == 0) \ |
James.Smart@Emulex.Com | 755c0d0 | 2005-10-28 20:29:06 -0400 | [diff] [blame] | 525 | return strlen(buf);\ |
James.Smart@Emulex.Com | 7bcbb75 | 2005-10-28 20:29:13 -0400 | [diff] [blame] | 526 | else \ |
| 527 | return -EINVAL;\ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 528 | } |
| 529 | |
James.Smart@Emulex.Com | 7bcbb75 | 2005-10-28 20:29:13 -0400 | [diff] [blame] | 530 | #define LPFC_ATTR(name, defval, minval, maxval, desc) \ |
| 531 | static int lpfc_##name = defval;\ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 532 | module_param(lpfc_##name, int, 0);\ |
| 533 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
James.Smart@Emulex.Com | 7bcbb75 | 2005-10-28 20:29:13 -0400 | [diff] [blame] | 534 | lpfc_param_init(name, defval, minval, maxval) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 535 | |
| 536 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ |
| 537 | static int lpfc_##name = defval;\ |
| 538 | module_param(lpfc_##name, int, 0);\ |
| 539 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
| 540 | lpfc_param_show(name)\ |
James.Smart@Emulex.Com | 7bcbb75 | 2005-10-28 20:29:13 -0400 | [diff] [blame] | 541 | lpfc_param_init(name, defval, minval, maxval)\ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 542 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
| 543 | |
| 544 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ |
| 545 | static int lpfc_##name = defval;\ |
| 546 | module_param(lpfc_##name, int, 0);\ |
| 547 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
| 548 | lpfc_param_show(name)\ |
James.Smart@Emulex.Com | 7bcbb75 | 2005-10-28 20:29:13 -0400 | [diff] [blame] | 549 | lpfc_param_init(name, defval, minval, maxval)\ |
| 550 | lpfc_param_set(name, defval, minval, maxval)\ |
| 551 | lpfc_param_store(name)\ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 552 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
| 553 | lpfc_##name##_show, lpfc_##name##_store) |
| 554 | |
James.Smart@Emulex.Com | 93a20f7 | 2005-10-28 20:29:32 -0400 | [diff] [blame] | 555 | #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ |
| 556 | static int lpfc_##name = defval;\ |
| 557 | module_param(lpfc_##name, int, 0);\ |
| 558 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
| 559 | lpfc_param_hex_show(name)\ |
| 560 | lpfc_param_init(name, defval, minval, maxval)\ |
| 561 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
| 562 | |
| 563 | #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ |
| 564 | static int lpfc_##name = defval;\ |
| 565 | module_param(lpfc_##name, int, 0);\ |
| 566 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
| 567 | lpfc_param_hex_show(name)\ |
| 568 | lpfc_param_init(name, defval, minval, maxval)\ |
| 569 | lpfc_param_set(name, defval, minval, maxval)\ |
| 570 | lpfc_param_store(name)\ |
| 571 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
| 572 | lpfc_##name##_show, lpfc_##name##_store) |
| 573 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 574 | static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
| 575 | static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); |
| 576 | static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); |
| 577 | static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); |
| 578 | static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); |
| 579 | static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL); |
| 580 | static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); |
| 581 | static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); |
| 582 | static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL); |
| 583 | static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO, |
| 584 | lpfc_option_rom_version_show, NULL); |
| 585 | static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO, |
| 586 | lpfc_num_discovered_ports_show, NULL); |
| 587 | static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
| 588 | static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, |
| 589 | NULL); |
| 590 | static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show, |
| 591 | NULL); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 592 | static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, |
| 593 | lpfc_board_mode_show, lpfc_board_mode_store); |
James Smart | 40496f0 | 2006-07-06 15:50:22 -0400 | [diff] [blame] | 594 | static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 595 | |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 596 | |
James Smart | a12e07b | 2006-12-02 13:35:30 -0500 | [diff] [blame] | 597 | static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 598 | |
| 599 | static ssize_t |
James Smart | a12e07b | 2006-12-02 13:35:30 -0500 | [diff] [blame] | 600 | lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf, |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 601 | size_t count) |
| 602 | { |
| 603 | struct Scsi_Host *host = class_to_shost(cdev); |
| 604 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| 605 | unsigned int cnt = count; |
| 606 | |
| 607 | /* |
| 608 | * We're doing a simple sanity check for soft_wwpn setting. |
| 609 | * We require that the user write a specific key to enable |
| 610 | * the soft_wwpn attribute to be settable. Once the attribute |
| 611 | * is written, the enable key resets. If further updates are |
| 612 | * desired, the key must be written again to re-enable the |
| 613 | * attribute. |
| 614 | * |
| 615 | * The "key" is not secret - it is a hardcoded string shown |
| 616 | * here. The intent is to protect against the random user or |
| 617 | * application that is just writing attributes. |
| 618 | */ |
| 619 | |
| 620 | /* count may include a LF at end of string */ |
| 621 | if (buf[cnt-1] == '\n') |
| 622 | cnt--; |
| 623 | |
James Smart | a12e07b | 2006-12-02 13:35:30 -0500 | [diff] [blame] | 624 | if ((cnt != strlen(lpfc_soft_wwn_key)) || |
| 625 | (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 626 | return -EINVAL; |
| 627 | |
James Smart | a12e07b | 2006-12-02 13:35:30 -0500 | [diff] [blame] | 628 | phba->soft_wwn_enable = 1; |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 629 | return count; |
| 630 | } |
James Smart | a12e07b | 2006-12-02 13:35:30 -0500 | [diff] [blame] | 631 | static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, |
| 632 | lpfc_soft_wwn_enable_store); |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 633 | |
| 634 | static ssize_t |
| 635 | lpfc_soft_wwpn_show(struct class_device *cdev, char *buf) |
| 636 | { |
| 637 | struct Scsi_Host *host = class_to_shost(cdev); |
| 638 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
Randy Dunlap | afc071e | 2006-10-23 21:47:13 -0700 | [diff] [blame] | 639 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
| 640 | (unsigned long long)phba->cfg_soft_wwpn); |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 641 | } |
| 642 | |
| 643 | |
| 644 | static ssize_t |
| 645 | lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count) |
| 646 | { |
| 647 | struct Scsi_Host *host = class_to_shost(cdev); |
| 648 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| 649 | struct completion online_compl; |
| 650 | int stat1=0, stat2=0; |
| 651 | unsigned int i, j, cnt=count; |
| 652 | u8 wwpn[8]; |
| 653 | |
| 654 | /* count may include a LF at end of string */ |
| 655 | if (buf[cnt-1] == '\n') |
| 656 | cnt--; |
| 657 | |
James Smart | a12e07b | 2006-12-02 13:35:30 -0500 | [diff] [blame] | 658 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 659 | ((cnt == 17) && (*buf++ != 'x')) || |
| 660 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) |
| 661 | return -EINVAL; |
| 662 | |
James Smart | a12e07b | 2006-12-02 13:35:30 -0500 | [diff] [blame] | 663 | phba->soft_wwn_enable = 0; |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 664 | |
| 665 | memset(wwpn, 0, sizeof(wwpn)); |
| 666 | |
| 667 | /* Validate and store the new name */ |
| 668 | for (i=0, j=0; i < 16; i++) { |
| 669 | if ((*buf >= 'a') && (*buf <= 'f')) |
| 670 | j = ((j << 4) | ((*buf++ -'a') + 10)); |
| 671 | else if ((*buf >= 'A') && (*buf <= 'F')) |
| 672 | j = ((j << 4) | ((*buf++ -'A') + 10)); |
| 673 | else if ((*buf >= '0') && (*buf <= '9')) |
| 674 | j = ((j << 4) | (*buf++ -'0')); |
| 675 | else |
| 676 | return -EINVAL; |
| 677 | if (i % 2) { |
| 678 | wwpn[i/2] = j & 0xff; |
| 679 | j = 0; |
| 680 | } |
| 681 | } |
| 682 | phba->cfg_soft_wwpn = wwn_to_u64(wwpn); |
| 683 | fc_host_port_name(host) = phba->cfg_soft_wwpn; |
James Smart | a12e07b | 2006-12-02 13:35:30 -0500 | [diff] [blame] | 684 | if (phba->cfg_soft_wwnn) |
| 685 | fc_host_node_name(host) = phba->cfg_soft_wwnn; |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 686 | |
| 687 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, |
| 688 | "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); |
| 689 | |
James Smart | 46fa311 | 2007-04-25 09:51:45 -0400 | [diff] [blame] | 690 | stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 691 | if (stat1) |
| 692 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| 693 | "%d:0463 lpfc_soft_wwpn attribute set failed to reinit " |
| 694 | "adapter - %d\n", phba->brd_no, stat1); |
| 695 | |
| 696 | init_completion(&online_compl); |
| 697 | lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE); |
| 698 | wait_for_completion(&online_compl); |
| 699 | if (stat2) |
| 700 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| 701 | "%d:0464 lpfc_soft_wwpn attribute set failed to reinit " |
| 702 | "adapter - %d\n", phba->brd_no, stat2); |
| 703 | |
| 704 | return (stat1 || stat2) ? -EIO : count; |
| 705 | } |
| 706 | static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ |
| 707 | lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); |
| 708 | |
James Smart | a12e07b | 2006-12-02 13:35:30 -0500 | [diff] [blame] | 709 | static ssize_t |
| 710 | lpfc_soft_wwnn_show(struct class_device *cdev, char *buf) |
| 711 | { |
| 712 | struct Scsi_Host *host = class_to_shost(cdev); |
| 713 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| 714 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
| 715 | (unsigned long long)phba->cfg_soft_wwnn); |
| 716 | } |
| 717 | |
| 718 | |
| 719 | static ssize_t |
| 720 | lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count) |
| 721 | { |
| 722 | struct Scsi_Host *host = class_to_shost(cdev); |
| 723 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| 724 | unsigned int i, j, cnt=count; |
| 725 | u8 wwnn[8]; |
| 726 | |
| 727 | /* count may include a LF at end of string */ |
| 728 | if (buf[cnt-1] == '\n') |
| 729 | cnt--; |
| 730 | |
| 731 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || |
| 732 | ((cnt == 17) && (*buf++ != 'x')) || |
| 733 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) |
| 734 | return -EINVAL; |
| 735 | |
| 736 | /* |
| 737 | * Allow wwnn to be set many times, as long as the enable is set. |
| 738 | * However, once the wwpn is set, everything locks. |
| 739 | */ |
| 740 | |
| 741 | memset(wwnn, 0, sizeof(wwnn)); |
| 742 | |
| 743 | /* Validate and store the new name */ |
| 744 | for (i=0, j=0; i < 16; i++) { |
| 745 | if ((*buf >= 'a') && (*buf <= 'f')) |
| 746 | j = ((j << 4) | ((*buf++ -'a') + 10)); |
| 747 | else if ((*buf >= 'A') && (*buf <= 'F')) |
| 748 | j = ((j << 4) | ((*buf++ -'A') + 10)); |
| 749 | else if ((*buf >= '0') && (*buf <= '9')) |
| 750 | j = ((j << 4) | (*buf++ -'0')); |
| 751 | else |
| 752 | return -EINVAL; |
| 753 | if (i % 2) { |
| 754 | wwnn[i/2] = j & 0xff; |
| 755 | j = 0; |
| 756 | } |
| 757 | } |
| 758 | phba->cfg_soft_wwnn = wwn_to_u64(wwnn); |
| 759 | |
| 760 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, |
| 761 | "lpfc%d: soft_wwnn set. Value will take effect upon " |
| 762 | "setting of the soft_wwpn\n", phba->brd_no); |
| 763 | |
| 764 | return count; |
| 765 | } |
| 766 | static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ |
| 767 | lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); |
| 768 | |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 769 | |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 770 | static int lpfc_poll = 0; |
| 771 | module_param(lpfc_poll, int, 0); |
| 772 | MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" |
| 773 | " 0 - none," |
| 774 | " 1 - poll with interrupts enabled" |
| 775 | " 3 - poll and disable FCP ring interrupts"); |
| 776 | |
| 777 | static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, |
| 778 | lpfc_poll_show, lpfc_poll_store); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 779 | |
| 780 | /* |
James Smart | c01f320 | 2006-08-18 17:47:08 -0400 | [diff] [blame] | 781 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear |
| 782 | # until the timer expires. Value range is [0,255]. Default value is 30. |
| 783 | */ |
| 784 | static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; |
| 785 | static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; |
| 786 | module_param(lpfc_nodev_tmo, int, 0); |
| 787 | MODULE_PARM_DESC(lpfc_nodev_tmo, |
| 788 | "Seconds driver will hold I/O waiting " |
| 789 | "for a device to come back"); |
| 790 | static ssize_t |
| 791 | lpfc_nodev_tmo_show(struct class_device *cdev, char *buf) |
| 792 | { |
| 793 | struct Scsi_Host *host = class_to_shost(cdev); |
| 794 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| 795 | int val = 0; |
| 796 | val = phba->cfg_devloss_tmo; |
| 797 | return snprintf(buf, PAGE_SIZE, "%d\n", |
| 798 | phba->cfg_devloss_tmo); |
| 799 | } |
| 800 | |
| 801 | static int |
| 802 | lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val) |
| 803 | { |
| 804 | static int warned; |
| 805 | if (phba->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { |
| 806 | phba->cfg_nodev_tmo = phba->cfg_devloss_tmo; |
| 807 | if (!warned && val != LPFC_DEF_DEVLOSS_TMO) { |
| 808 | warned = 1; |
| 809 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| 810 | "%d:0402 Ignoring nodev_tmo module " |
| 811 | "parameter because devloss_tmo is" |
| 812 | " set.\n", |
| 813 | phba->brd_no); |
| 814 | } |
| 815 | return 0; |
| 816 | } |
| 817 | |
| 818 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { |
| 819 | phba->cfg_nodev_tmo = val; |
| 820 | phba->cfg_devloss_tmo = val; |
| 821 | return 0; |
| 822 | } |
| 823 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| 824 | "%d:0400 lpfc_nodev_tmo attribute cannot be set to %d, " |
| 825 | "allowed range is [%d, %d]\n", |
| 826 | phba->brd_no, val, |
| 827 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); |
| 828 | phba->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; |
| 829 | return -EINVAL; |
| 830 | } |
| 831 | |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 832 | static void |
| 833 | lpfc_update_rport_devloss_tmo(struct lpfc_hba *phba) |
| 834 | { |
| 835 | struct lpfc_nodelist *ndlp; |
| 836 | |
| 837 | spin_lock_irq(phba->host->host_lock); |
| 838 | list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) |
| 839 | if (ndlp->rport) |
| 840 | ndlp->rport->dev_loss_tmo = phba->cfg_devloss_tmo; |
| 841 | spin_unlock_irq(phba->host->host_lock); |
| 842 | } |
| 843 | |
James Smart | c01f320 | 2006-08-18 17:47:08 -0400 | [diff] [blame] | 844 | static int |
| 845 | lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val) |
| 846 | { |
| 847 | if (phba->dev_loss_tmo_changed || |
| 848 | (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { |
| 849 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| 850 | "%d:0401 Ignoring change to nodev_tmo " |
| 851 | "because devloss_tmo is set.\n", |
| 852 | phba->brd_no); |
| 853 | return 0; |
| 854 | } |
| 855 | |
| 856 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { |
| 857 | phba->cfg_nodev_tmo = val; |
| 858 | phba->cfg_devloss_tmo = val; |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 859 | lpfc_update_rport_devloss_tmo(phba); |
James Smart | c01f320 | 2006-08-18 17:47:08 -0400 | [diff] [blame] | 860 | return 0; |
| 861 | } |
| 862 | |
| 863 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| 864 | "%d:0403 lpfc_nodev_tmo attribute cannot be set to %d, " |
| 865 | "allowed range is [%d, %d]\n", |
| 866 | phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO, |
| 867 | LPFC_MAX_DEVLOSS_TMO); |
| 868 | return -EINVAL; |
| 869 | } |
| 870 | |
| 871 | lpfc_param_store(nodev_tmo) |
| 872 | |
| 873 | static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, |
| 874 | lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); |
| 875 | |
| 876 | /* |
| 877 | # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that |
| 878 | # disappear until the timer expires. Value range is [0,255]. Default |
| 879 | # value is 30. |
| 880 | */ |
| 881 | module_param(lpfc_devloss_tmo, int, 0); |
| 882 | MODULE_PARM_DESC(lpfc_devloss_tmo, |
| 883 | "Seconds driver will hold I/O waiting " |
| 884 | "for a device to come back"); |
| 885 | lpfc_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, |
| 886 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) |
| 887 | lpfc_param_show(devloss_tmo) |
| 888 | static int |
| 889 | lpfc_devloss_tmo_set(struct lpfc_hba *phba, int val) |
| 890 | { |
| 891 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { |
| 892 | phba->cfg_nodev_tmo = val; |
| 893 | phba->cfg_devloss_tmo = val; |
| 894 | phba->dev_loss_tmo_changed = 1; |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 895 | lpfc_update_rport_devloss_tmo(phba); |
James Smart | c01f320 | 2006-08-18 17:47:08 -0400 | [diff] [blame] | 896 | return 0; |
| 897 | } |
| 898 | |
| 899 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| 900 | "%d:0404 lpfc_devloss_tmo attribute cannot be set to" |
| 901 | " %d, allowed range is [%d, %d]\n", |
| 902 | phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO, |
| 903 | LPFC_MAX_DEVLOSS_TMO); |
| 904 | return -EINVAL; |
| 905 | } |
| 906 | |
| 907 | lpfc_param_store(devloss_tmo) |
| 908 | static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, |
| 909 | lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); |
| 910 | |
| 911 | /* |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 912 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being |
| 913 | # deluged with LOTS of information. |
| 914 | # You can set a bit mask to record specific types of verbose messages: |
| 915 | # |
| 916 | # LOG_ELS 0x1 ELS events |
| 917 | # LOG_DISCOVERY 0x2 Link discovery events |
| 918 | # LOG_MBOX 0x4 Mailbox events |
| 919 | # LOG_INIT 0x8 Initialization events |
| 920 | # LOG_LINK_EVENT 0x10 Link events |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 921 | # LOG_FCP 0x40 FCP traffic history |
| 922 | # LOG_NODE 0x80 Node table events |
| 923 | # LOG_MISC 0x400 Miscellaneous events |
| 924 | # LOG_SLI 0x800 SLI events |
James Smart | c774395 | 2006-12-02 13:34:42 -0500 | [diff] [blame] | 925 | # LOG_FCP_ERROR 0x1000 Only log FCP errors |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 926 | # LOG_LIBDFC 0x2000 LIBDFC events |
| 927 | # LOG_ALL_MSG 0xffff LOG all messages |
| 928 | */ |
James.Smart@Emulex.Com | 93a20f7 | 2005-10-28 20:29:32 -0400 | [diff] [blame] | 929 | LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask"); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 930 | |
| 931 | /* |
| 932 | # lun_queue_depth: This parameter is used to limit the number of outstanding |
| 933 | # commands per FCP LUN. Value range is [1,128]. Default value is 30. |
| 934 | */ |
| 935 | LPFC_ATTR_R(lun_queue_depth, 30, 1, 128, |
| 936 | "Max number of FCP commands we can queue to a specific LUN"); |
| 937 | |
| 938 | /* |
Jamie Wellnitz | b28485a | 2006-02-28 19:25:21 -0500 | [diff] [blame] | 939 | # hba_queue_depth: This parameter is used to limit the number of outstanding |
| 940 | # commands per lpfc HBA. Value range is [32,8192]. If this parameter |
| 941 | # value is greater than the maximum number of exchanges supported by the HBA, |
| 942 | # then maximum number of exchanges supported by the HBA is used to determine |
| 943 | # the hba_queue_depth. |
| 944 | */ |
| 945 | LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, |
| 946 | "Max number of FCP commands we can queue to a lpfc HBA"); |
| 947 | |
| 948 | /* |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 949 | # Some disk devices have a "select ID" or "select Target" capability. |
| 950 | # From a protocol standpoint "select ID" usually means select the |
| 951 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative |
| 952 | # annex" which contains a table that maps a "select ID" (a number |
| 953 | # between 0 and 7F) to an ALPA. By default, for compatibility with |
| 954 | # older drivers, the lpfc driver scans this table from low ALPA to high |
| 955 | # ALPA. |
| 956 | # |
| 957 | # Turning on the scan-down variable (on = 1, off = 0) will |
| 958 | # cause the lpfc driver to use an inverted table, effectively |
| 959 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. |
| 960 | # |
| 961 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic |
| 962 | # and will not work across a fabric. Also this parameter will take |
| 963 | # effect only in the case when ALPA map is not available.) |
| 964 | */ |
| 965 | LPFC_ATTR_R(scan_down, 1, 0, 1, |
| 966 | "Start scanning for devices from highest ALPA to lowest"); |
| 967 | |
| 968 | /* |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 969 | # lpfc_topology: link topology for init link |
| 970 | # 0x0 = attempt loop mode then point-to-point |
Jamie Wellnitz | 367c271 | 2006-02-28 19:25:32 -0500 | [diff] [blame] | 971 | # 0x01 = internal loopback mode |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 972 | # 0x02 = attempt point-to-point mode only |
| 973 | # 0x04 = attempt loop mode only |
| 974 | # 0x06 = attempt point-to-point mode then loop |
| 975 | # Set point-to-point mode if you want to run as an N_Port. |
| 976 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. |
| 977 | # Default value is 0. |
| 978 | */ |
Jamie Wellnitz | 367c271 | 2006-02-28 19:25:32 -0500 | [diff] [blame] | 979 | LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology"); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 980 | |
| 981 | /* |
| 982 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel |
| 983 | # connection. |
| 984 | # 0 = auto select (default) |
| 985 | # 1 = 1 Gigabaud |
| 986 | # 2 = 2 Gigabaud |
| 987 | # 4 = 4 Gigabaud |
James Smart | b87eab3 | 2007-04-25 09:53:28 -0400 | [diff] [blame^] | 988 | # 8 = 8 Gigabaud |
| 989 | # Value range is [0,8]. Default value is 0. |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 990 | */ |
James Smart | b87eab3 | 2007-04-25 09:53:28 -0400 | [diff] [blame^] | 991 | LPFC_ATTR_R(link_speed, 0, 0, 8, "Select link speed"); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 992 | |
| 993 | /* |
| 994 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. |
| 995 | # Value range is [2,3]. Default value is 3. |
| 996 | */ |
| 997 | LPFC_ATTR_R(fcp_class, 3, 2, 3, |
| 998 | "Select Fibre Channel class of service for FCP sequences"); |
| 999 | |
| 1000 | /* |
| 1001 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range |
| 1002 | # is [0,1]. Default value is 0. |
| 1003 | */ |
| 1004 | LPFC_ATTR_RW(use_adisc, 0, 0, 1, |
| 1005 | "Use ADISC on rediscovery to authenticate FCP devices"); |
| 1006 | |
| 1007 | /* |
| 1008 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value |
| 1009 | # range is [0,1]. Default value is 0. |
| 1010 | */ |
| 1011 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); |
| 1012 | |
| 1013 | /* |
| 1014 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing |
| 1015 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 1016 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1017 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
| 1018 | # cr_delay is set to 0. |
| 1019 | */ |
Jamie Wellnitz | 8189fd1 | 2006-02-28 19:25:35 -0500 | [diff] [blame] | 1020 | LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1021 | "interrupt response is generated"); |
| 1022 | |
Jamie Wellnitz | 8189fd1 | 2006-02-28 19:25:35 -0500 | [diff] [blame] | 1023 | LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1024 | "interrupt response is generated"); |
| 1025 | |
| 1026 | /* |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 1027 | # lpfc_multi_ring_support: Determines how many rings to spread available |
| 1028 | # cmd/rsp IOCB entries across. |
| 1029 | # Value range is [1,2]. Default value is 1. |
| 1030 | */ |
| 1031 | LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " |
| 1032 | "SLI rings to spread IOCB entries across"); |
| 1033 | |
| 1034 | /* |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 1035 | # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this |
| 1036 | # identifies what rctl value to configure the additional ring for. |
| 1037 | # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). |
| 1038 | */ |
| 1039 | LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1, |
| 1040 | 255, "Identifies RCTL for additional ring configuration"); |
| 1041 | |
| 1042 | /* |
| 1043 | # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this |
| 1044 | # identifies what type value to configure the additional ring for. |
| 1045 | # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). |
| 1046 | */ |
| 1047 | LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1, |
| 1048 | 255, "Identifies TYPE for additional ring configuration"); |
| 1049 | |
| 1050 | /* |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1051 | # lpfc_fdmi_on: controls FDMI support. |
| 1052 | # 0 = no FDMI support |
| 1053 | # 1 = support FDMI without attribute of hostname |
| 1054 | # 2 = support FDMI with attribute of hostname |
| 1055 | # Value range [0,2]. Default value is 0. |
| 1056 | */ |
| 1057 | LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); |
| 1058 | |
| 1059 | /* |
| 1060 | # Specifies the maximum number of ELS cmds we can have outstanding (for |
| 1061 | # discovery). Value range is [1,64]. Default value = 32. |
| 1062 | */ |
Jamie Wellnitz | 8189fd1 | 2006-02-28 19:25:35 -0500 | [diff] [blame] | 1063 | LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1064 | "during discovery"); |
| 1065 | |
| 1066 | /* |
James Smart | 65a29c1 | 2006-07-06 15:50:50 -0400 | [diff] [blame] | 1067 | # lpfc_max_luns: maximum allowed LUN. |
| 1068 | # Value range is [0,65535]. Default value is 255. |
| 1069 | # NOTE: The SCSI layer might probe all allowed LUN on some old targets. |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1070 | */ |
James Smart | 65a29c1 | 2006-07-06 15:50:50 -0400 | [diff] [blame] | 1071 | LPFC_ATTR_R(max_luns, 255, 0, 65535, |
| 1072 | "Maximum allowed LUN"); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1073 | |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1074 | /* |
| 1075 | # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. |
| 1076 | # Value range is [1,255], default value is 10. |
| 1077 | */ |
| 1078 | LPFC_ATTR_RW(poll_tmo, 10, 1, 255, |
| 1079 | "Milliseconds driver will wait between polling FCP ring"); |
| 1080 | |
James Smart | 4ff4324 | 2006-12-02 13:34:56 -0500 | [diff] [blame] | 1081 | /* |
| 1082 | # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that |
| 1083 | # support this feature |
| 1084 | # 0 = MSI disabled (default) |
| 1085 | # 1 = MSI enabled |
| 1086 | # Value range is [0,1]. Default value is 0. |
| 1087 | */ |
| 1088 | LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible"); |
| 1089 | |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 1090 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1091 | struct class_device_attribute *lpfc_host_attrs[] = { |
| 1092 | &class_device_attr_info, |
| 1093 | &class_device_attr_serialnum, |
| 1094 | &class_device_attr_modeldesc, |
| 1095 | &class_device_attr_modelname, |
| 1096 | &class_device_attr_programtype, |
| 1097 | &class_device_attr_portnum, |
| 1098 | &class_device_attr_fwrev, |
| 1099 | &class_device_attr_hdw, |
| 1100 | &class_device_attr_option_rom_version, |
| 1101 | &class_device_attr_state, |
| 1102 | &class_device_attr_num_discovered_ports, |
| 1103 | &class_device_attr_lpfc_drvr_version, |
| 1104 | &class_device_attr_lpfc_log_verbose, |
| 1105 | &class_device_attr_lpfc_lun_queue_depth, |
Jamie Wellnitz | b28485a | 2006-02-28 19:25:21 -0500 | [diff] [blame] | 1106 | &class_device_attr_lpfc_hba_queue_depth, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1107 | &class_device_attr_lpfc_nodev_tmo, |
James Smart | c01f320 | 2006-08-18 17:47:08 -0400 | [diff] [blame] | 1108 | &class_device_attr_lpfc_devloss_tmo, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1109 | &class_device_attr_lpfc_fcp_class, |
| 1110 | &class_device_attr_lpfc_use_adisc, |
| 1111 | &class_device_attr_lpfc_ack0, |
| 1112 | &class_device_attr_lpfc_topology, |
| 1113 | &class_device_attr_lpfc_scan_down, |
| 1114 | &class_device_attr_lpfc_link_speed, |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1115 | &class_device_attr_lpfc_cr_delay, |
| 1116 | &class_device_attr_lpfc_cr_count, |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 1117 | &class_device_attr_lpfc_multi_ring_support, |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 1118 | &class_device_attr_lpfc_multi_ring_rctl, |
| 1119 | &class_device_attr_lpfc_multi_ring_type, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1120 | &class_device_attr_lpfc_fdmi_on, |
| 1121 | &class_device_attr_lpfc_max_luns, |
| 1122 | &class_device_attr_nport_evt_cnt, |
| 1123 | &class_device_attr_management_version, |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1124 | &class_device_attr_board_mode, |
James Smart | 40496f0 | 2006-07-06 15:50:22 -0400 | [diff] [blame] | 1125 | &class_device_attr_issue_reset, |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1126 | &class_device_attr_lpfc_poll, |
| 1127 | &class_device_attr_lpfc_poll_tmo, |
James Smart | 4ff4324 | 2006-12-02 13:34:56 -0500 | [diff] [blame] | 1128 | &class_device_attr_lpfc_use_msi, |
James Smart | a12e07b | 2006-12-02 13:35:30 -0500 | [diff] [blame] | 1129 | &class_device_attr_lpfc_soft_wwnn, |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 1130 | &class_device_attr_lpfc_soft_wwpn, |
James Smart | a12e07b | 2006-12-02 13:35:30 -0500 | [diff] [blame] | 1131 | &class_device_attr_lpfc_soft_wwn_enable, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1132 | NULL, |
| 1133 | }; |
| 1134 | |
| 1135 | static ssize_t |
| 1136 | sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count) |
| 1137 | { |
| 1138 | size_t buf_off; |
| 1139 | struct Scsi_Host *host = class_to_shost(container_of(kobj, |
| 1140 | struct class_device, kobj)); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 1141 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1142 | |
| 1143 | if ((off + count) > FF_REG_AREA_SIZE) |
| 1144 | return -ERANGE; |
| 1145 | |
| 1146 | if (count == 0) return 0; |
| 1147 | |
| 1148 | if (off % 4 || count % 4 || (unsigned long)buf % 4) |
| 1149 | return -EINVAL; |
| 1150 | |
| 1151 | spin_lock_irq(phba->host->host_lock); |
| 1152 | |
| 1153 | if (!(phba->fc_flag & FC_OFFLINE_MODE)) { |
| 1154 | spin_unlock_irq(phba->host->host_lock); |
| 1155 | return -EPERM; |
| 1156 | } |
| 1157 | |
| 1158 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) |
| 1159 | writel(*((uint32_t *)(buf + buf_off)), |
| 1160 | phba->ctrl_regs_memmap_p + off + buf_off); |
| 1161 | |
| 1162 | spin_unlock_irq(phba->host->host_lock); |
| 1163 | |
| 1164 | return count; |
| 1165 | } |
| 1166 | |
| 1167 | static ssize_t |
| 1168 | sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count) |
| 1169 | { |
| 1170 | size_t buf_off; |
| 1171 | uint32_t * tmp_ptr; |
| 1172 | struct Scsi_Host *host = class_to_shost(container_of(kobj, |
| 1173 | struct class_device, kobj)); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 1174 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1175 | |
| 1176 | if (off > FF_REG_AREA_SIZE) |
| 1177 | return -ERANGE; |
| 1178 | |
| 1179 | if ((off + count) > FF_REG_AREA_SIZE) |
| 1180 | count = FF_REG_AREA_SIZE - off; |
| 1181 | |
| 1182 | if (count == 0) return 0; |
| 1183 | |
| 1184 | if (off % 4 || count % 4 || (unsigned long)buf % 4) |
| 1185 | return -EINVAL; |
| 1186 | |
| 1187 | spin_lock_irq(phba->host->host_lock); |
| 1188 | |
| 1189 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { |
| 1190 | tmp_ptr = (uint32_t *)(buf + buf_off); |
| 1191 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); |
| 1192 | } |
| 1193 | |
| 1194 | spin_unlock_irq(phba->host->host_lock); |
| 1195 | |
| 1196 | return count; |
| 1197 | } |
| 1198 | |
| 1199 | static struct bin_attribute sysfs_ctlreg_attr = { |
| 1200 | .attr = { |
| 1201 | .name = "ctlreg", |
| 1202 | .mode = S_IRUSR | S_IWUSR, |
| 1203 | .owner = THIS_MODULE, |
| 1204 | }, |
| 1205 | .size = 256, |
| 1206 | .read = sysfs_ctlreg_read, |
| 1207 | .write = sysfs_ctlreg_write, |
| 1208 | }; |
| 1209 | |
| 1210 | |
| 1211 | static void |
| 1212 | sysfs_mbox_idle (struct lpfc_hba * phba) |
| 1213 | { |
| 1214 | phba->sysfs_mbox.state = SMBOX_IDLE; |
| 1215 | phba->sysfs_mbox.offset = 0; |
| 1216 | |
| 1217 | if (phba->sysfs_mbox.mbox) { |
| 1218 | mempool_free(phba->sysfs_mbox.mbox, |
| 1219 | phba->mbox_mem_pool); |
| 1220 | phba->sysfs_mbox.mbox = NULL; |
| 1221 | } |
| 1222 | } |
| 1223 | |
| 1224 | static ssize_t |
| 1225 | sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count) |
| 1226 | { |
| 1227 | struct Scsi_Host * host = |
| 1228 | class_to_shost(container_of(kobj, struct class_device, kobj)); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 1229 | struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1230 | struct lpfcMboxq * mbox = NULL; |
| 1231 | |
| 1232 | if ((count + off) > MAILBOX_CMD_SIZE) |
| 1233 | return -ERANGE; |
| 1234 | |
| 1235 | if (off % 4 || count % 4 || (unsigned long)buf % 4) |
| 1236 | return -EINVAL; |
| 1237 | |
| 1238 | if (count == 0) |
| 1239 | return 0; |
| 1240 | |
| 1241 | if (off == 0) { |
| 1242 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 1243 | if (!mbox) |
| 1244 | return -ENOMEM; |
James Smart | fc6c12b | 2006-03-07 15:04:19 -0500 | [diff] [blame] | 1245 | memset(mbox, 0, sizeof (LPFC_MBOXQ_t)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1246 | } |
| 1247 | |
| 1248 | spin_lock_irq(host->host_lock); |
| 1249 | |
| 1250 | if (off == 0) { |
| 1251 | if (phba->sysfs_mbox.mbox) |
| 1252 | mempool_free(mbox, phba->mbox_mem_pool); |
| 1253 | else |
| 1254 | phba->sysfs_mbox.mbox = mbox; |
| 1255 | phba->sysfs_mbox.state = SMBOX_WRITING; |
| 1256 | } else { |
| 1257 | if (phba->sysfs_mbox.state != SMBOX_WRITING || |
| 1258 | phba->sysfs_mbox.offset != off || |
| 1259 | phba->sysfs_mbox.mbox == NULL ) { |
| 1260 | sysfs_mbox_idle(phba); |
| 1261 | spin_unlock_irq(host->host_lock); |
James Smart | 8f6d98d | 2006-08-01 07:34:00 -0400 | [diff] [blame] | 1262 | return -EAGAIN; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1263 | } |
| 1264 | } |
| 1265 | |
| 1266 | memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off, |
| 1267 | buf, count); |
| 1268 | |
| 1269 | phba->sysfs_mbox.offset = off + count; |
| 1270 | |
| 1271 | spin_unlock_irq(host->host_lock); |
| 1272 | |
| 1273 | return count; |
| 1274 | } |
| 1275 | |
| 1276 | static ssize_t |
| 1277 | sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count) |
| 1278 | { |
| 1279 | struct Scsi_Host *host = |
| 1280 | class_to_shost(container_of(kobj, struct class_device, |
| 1281 | kobj)); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 1282 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1283 | int rc; |
| 1284 | |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 1285 | if (off > MAILBOX_CMD_SIZE) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1286 | return -ERANGE; |
| 1287 | |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 1288 | if ((count + off) > MAILBOX_CMD_SIZE) |
| 1289 | count = MAILBOX_CMD_SIZE - off; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1290 | |
| 1291 | if (off % 4 || count % 4 || (unsigned long)buf % 4) |
| 1292 | return -EINVAL; |
| 1293 | |
| 1294 | if (off && count == 0) |
| 1295 | return 0; |
| 1296 | |
| 1297 | spin_lock_irq(phba->host->host_lock); |
| 1298 | |
| 1299 | if (off == 0 && |
| 1300 | phba->sysfs_mbox.state == SMBOX_WRITING && |
| 1301 | phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { |
| 1302 | |
| 1303 | switch (phba->sysfs_mbox.mbox->mb.mbxCommand) { |
| 1304 | /* Offline only */ |
| 1305 | case MBX_WRITE_NV: |
| 1306 | case MBX_INIT_LINK: |
| 1307 | case MBX_DOWN_LINK: |
| 1308 | case MBX_CONFIG_LINK: |
| 1309 | case MBX_CONFIG_RING: |
| 1310 | case MBX_RESET_RING: |
| 1311 | case MBX_UNREG_LOGIN: |
| 1312 | case MBX_CLEAR_LA: |
| 1313 | case MBX_DUMP_CONTEXT: |
| 1314 | case MBX_RUN_DIAGS: |
| 1315 | case MBX_RESTART: |
| 1316 | case MBX_FLASH_WR_ULA: |
| 1317 | case MBX_SET_MASK: |
| 1318 | case MBX_SET_SLIM: |
| 1319 | case MBX_SET_DEBUG: |
| 1320 | if (!(phba->fc_flag & FC_OFFLINE_MODE)) { |
| 1321 | printk(KERN_WARNING "mbox_read:Command 0x%x " |
| 1322 | "is illegal in on-line state\n", |
| 1323 | phba->sysfs_mbox.mbox->mb.mbxCommand); |
| 1324 | sysfs_mbox_idle(phba); |
| 1325 | spin_unlock_irq(phba->host->host_lock); |
| 1326 | return -EPERM; |
| 1327 | } |
| 1328 | case MBX_LOAD_SM: |
| 1329 | case MBX_READ_NV: |
| 1330 | case MBX_READ_CONFIG: |
| 1331 | case MBX_READ_RCONFIG: |
| 1332 | case MBX_READ_STATUS: |
| 1333 | case MBX_READ_XRI: |
| 1334 | case MBX_READ_REV: |
| 1335 | case MBX_READ_LNK_STAT: |
| 1336 | case MBX_DUMP_MEMORY: |
| 1337 | case MBX_DOWN_LOAD: |
| 1338 | case MBX_UPDATE_CFG: |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1339 | case MBX_KILL_BOARD: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1340 | case MBX_LOAD_AREA: |
| 1341 | case MBX_LOAD_EXP_ROM: |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1342 | case MBX_BEACON: |
| 1343 | case MBX_DEL_LD_ENTRY: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1344 | break; |
| 1345 | case MBX_READ_SPARM64: |
| 1346 | case MBX_READ_LA: |
| 1347 | case MBX_READ_LA64: |
| 1348 | case MBX_REG_LOGIN: |
| 1349 | case MBX_REG_LOGIN64: |
| 1350 | case MBX_CONFIG_PORT: |
| 1351 | case MBX_RUN_BIU_DIAG: |
| 1352 | printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", |
| 1353 | phba->sysfs_mbox.mbox->mb.mbxCommand); |
| 1354 | sysfs_mbox_idle(phba); |
| 1355 | spin_unlock_irq(phba->host->host_lock); |
| 1356 | return -EPERM; |
| 1357 | default: |
| 1358 | printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", |
| 1359 | phba->sysfs_mbox.mbox->mb.mbxCommand); |
| 1360 | sysfs_mbox_idle(phba); |
| 1361 | spin_unlock_irq(phba->host->host_lock); |
| 1362 | return -EPERM; |
| 1363 | } |
| 1364 | |
James Smart | 46fa311 | 2007-04-25 09:51:45 -0400 | [diff] [blame] | 1365 | if (phba->fc_flag & FC_BLOCK_MGMT_IO) { |
| 1366 | sysfs_mbox_idle(phba); |
| 1367 | spin_unlock_irq(host->host_lock); |
| 1368 | return -EAGAIN; |
| 1369 | } |
| 1370 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1371 | if ((phba->fc_flag & FC_OFFLINE_MODE) || |
| 1372 | (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){ |
| 1373 | |
| 1374 | spin_unlock_irq(phba->host->host_lock); |
| 1375 | rc = lpfc_sli_issue_mbox (phba, |
| 1376 | phba->sysfs_mbox.mbox, |
| 1377 | MBX_POLL); |
| 1378 | spin_lock_irq(phba->host->host_lock); |
| 1379 | |
| 1380 | } else { |
| 1381 | spin_unlock_irq(phba->host->host_lock); |
| 1382 | rc = lpfc_sli_issue_mbox_wait (phba, |
| 1383 | phba->sysfs_mbox.mbox, |
James Smart | a309a6b | 2006-08-01 07:33:43 -0400 | [diff] [blame] | 1384 | lpfc_mbox_tmo_val(phba, |
| 1385 | phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1386 | spin_lock_irq(phba->host->host_lock); |
| 1387 | } |
| 1388 | |
| 1389 | if (rc != MBX_SUCCESS) { |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 1390 | if (rc == MBX_TIMEOUT) { |
| 1391 | phba->sysfs_mbox.mbox->mbox_cmpl = |
| 1392 | lpfc_sli_def_mbox_cmpl; |
| 1393 | phba->sysfs_mbox.mbox = NULL; |
| 1394 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1395 | sysfs_mbox_idle(phba); |
| 1396 | spin_unlock_irq(host->host_lock); |
James Smart | 8f6d98d | 2006-08-01 07:34:00 -0400 | [diff] [blame] | 1397 | return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1398 | } |
| 1399 | phba->sysfs_mbox.state = SMBOX_READING; |
| 1400 | } |
| 1401 | else if (phba->sysfs_mbox.offset != off || |
| 1402 | phba->sysfs_mbox.state != SMBOX_READING) { |
| 1403 | printk(KERN_WARNING "mbox_read: Bad State\n"); |
| 1404 | sysfs_mbox_idle(phba); |
| 1405 | spin_unlock_irq(host->host_lock); |
James Smart | 8f6d98d | 2006-08-01 07:34:00 -0400 | [diff] [blame] | 1406 | return -EAGAIN; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1407 | } |
| 1408 | |
| 1409 | memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count); |
| 1410 | |
| 1411 | phba->sysfs_mbox.offset = off + count; |
| 1412 | |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 1413 | if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1414 | sysfs_mbox_idle(phba); |
| 1415 | |
| 1416 | spin_unlock_irq(phba->host->host_lock); |
| 1417 | |
| 1418 | return count; |
| 1419 | } |
| 1420 | |
| 1421 | static struct bin_attribute sysfs_mbox_attr = { |
| 1422 | .attr = { |
| 1423 | .name = "mbox", |
| 1424 | .mode = S_IRUSR | S_IWUSR, |
| 1425 | .owner = THIS_MODULE, |
| 1426 | }, |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 1427 | .size = MAILBOX_CMD_SIZE, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1428 | .read = sysfs_mbox_read, |
| 1429 | .write = sysfs_mbox_write, |
| 1430 | }; |
| 1431 | |
| 1432 | int |
| 1433 | lpfc_alloc_sysfs_attr(struct lpfc_hba *phba) |
| 1434 | { |
| 1435 | struct Scsi_Host *host = phba->host; |
| 1436 | int error; |
| 1437 | |
| 1438 | error = sysfs_create_bin_file(&host->shost_classdev.kobj, |
| 1439 | &sysfs_ctlreg_attr); |
| 1440 | if (error) |
| 1441 | goto out; |
| 1442 | |
| 1443 | error = sysfs_create_bin_file(&host->shost_classdev.kobj, |
| 1444 | &sysfs_mbox_attr); |
| 1445 | if (error) |
| 1446 | goto out_remove_ctlreg_attr; |
| 1447 | |
| 1448 | return 0; |
| 1449 | out_remove_ctlreg_attr: |
| 1450 | sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr); |
| 1451 | out: |
| 1452 | return error; |
| 1453 | } |
| 1454 | |
| 1455 | void |
| 1456 | lpfc_free_sysfs_attr(struct lpfc_hba *phba) |
| 1457 | { |
| 1458 | struct Scsi_Host *host = phba->host; |
| 1459 | |
| 1460 | sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr); |
| 1461 | sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr); |
| 1462 | } |
| 1463 | |
| 1464 | |
| 1465 | /* |
| 1466 | * Dynamic FC Host Attributes Support |
| 1467 | */ |
| 1468 | |
| 1469 | static void |
| 1470 | lpfc_get_host_port_id(struct Scsi_Host *shost) |
| 1471 | { |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 1472 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1473 | /* note: fc_myDID already in cpu endianness */ |
| 1474 | fc_host_port_id(shost) = phba->fc_myDID; |
| 1475 | } |
| 1476 | |
| 1477 | static void |
| 1478 | lpfc_get_host_port_type(struct Scsi_Host *shost) |
| 1479 | { |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 1480 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1481 | |
| 1482 | spin_lock_irq(shost->host_lock); |
| 1483 | |
| 1484 | if (phba->hba_state == LPFC_HBA_READY) { |
| 1485 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 1486 | if (phba->fc_flag & FC_PUBLIC_LOOP) |
| 1487 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
| 1488 | else |
| 1489 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; |
| 1490 | } else { |
| 1491 | if (phba->fc_flag & FC_FABRIC) |
| 1492 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
| 1493 | else |
| 1494 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; |
| 1495 | } |
| 1496 | } else |
| 1497 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; |
| 1498 | |
| 1499 | spin_unlock_irq(shost->host_lock); |
| 1500 | } |
| 1501 | |
| 1502 | static void |
| 1503 | lpfc_get_host_port_state(struct Scsi_Host *shost) |
| 1504 | { |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 1505 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1506 | |
| 1507 | spin_lock_irq(shost->host_lock); |
| 1508 | |
| 1509 | if (phba->fc_flag & FC_OFFLINE_MODE) |
| 1510 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
| 1511 | else { |
| 1512 | switch (phba->hba_state) { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1513 | case LPFC_STATE_UNKNOWN: |
| 1514 | case LPFC_WARM_START: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1515 | case LPFC_INIT_START: |
| 1516 | case LPFC_INIT_MBX_CMDS: |
| 1517 | case LPFC_LINK_DOWN: |
| 1518 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; |
| 1519 | break; |
| 1520 | case LPFC_LINK_UP: |
| 1521 | case LPFC_LOCAL_CFG_LINK: |
| 1522 | case LPFC_FLOGI: |
| 1523 | case LPFC_FABRIC_CFG_LINK: |
| 1524 | case LPFC_NS_REG: |
| 1525 | case LPFC_NS_QRY: |
| 1526 | case LPFC_BUILD_DISC_LIST: |
| 1527 | case LPFC_DISC_AUTH: |
| 1528 | case LPFC_CLEAR_LA: |
| 1529 | case LPFC_HBA_READY: |
| 1530 | /* Links up, beyond this port_type reports state */ |
| 1531 | fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; |
| 1532 | break; |
| 1533 | case LPFC_HBA_ERROR: |
| 1534 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; |
| 1535 | break; |
| 1536 | default: |
| 1537 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; |
| 1538 | break; |
| 1539 | } |
| 1540 | } |
| 1541 | |
| 1542 | spin_unlock_irq(shost->host_lock); |
| 1543 | } |
| 1544 | |
| 1545 | static void |
| 1546 | lpfc_get_host_speed(struct Scsi_Host *shost) |
| 1547 | { |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 1548 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1549 | |
| 1550 | spin_lock_irq(shost->host_lock); |
| 1551 | |
| 1552 | if (phba->hba_state == LPFC_HBA_READY) { |
| 1553 | switch(phba->fc_linkspeed) { |
| 1554 | case LA_1GHZ_LINK: |
| 1555 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; |
| 1556 | break; |
| 1557 | case LA_2GHZ_LINK: |
| 1558 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; |
| 1559 | break; |
| 1560 | case LA_4GHZ_LINK: |
| 1561 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; |
| 1562 | break; |
James Smart | b87eab3 | 2007-04-25 09:53:28 -0400 | [diff] [blame^] | 1563 | case LA_8GHZ_LINK: |
| 1564 | fc_host_speed(shost) = FC_PORTSPEED_8GBIT; |
| 1565 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1566 | default: |
| 1567 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; |
| 1568 | break; |
| 1569 | } |
| 1570 | } |
| 1571 | |
| 1572 | spin_unlock_irq(shost->host_lock); |
| 1573 | } |
| 1574 | |
| 1575 | static void |
| 1576 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) |
| 1577 | { |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 1578 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata; |
Andrew Vasquez | f631b4b | 2005-08-31 15:23:12 -0700 | [diff] [blame] | 1579 | u64 node_name; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1580 | |
| 1581 | spin_lock_irq(shost->host_lock); |
| 1582 | |
| 1583 | if ((phba->fc_flag & FC_FABRIC) || |
| 1584 | ((phba->fc_topology == TOPOLOGY_LOOP) && |
| 1585 | (phba->fc_flag & FC_PUBLIC_LOOP))) |
Andrew Morton | 68ce1eb | 2005-09-21 09:46:54 -0700 | [diff] [blame] | 1586 | node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1587 | else |
| 1588 | /* fabric is local port if there is no F/FL_Port */ |
Andrew Morton | 68ce1eb | 2005-09-21 09:46:54 -0700 | [diff] [blame] | 1589 | node_name = wwn_to_u64(phba->fc_nodename.u.wwn); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1590 | |
| 1591 | spin_unlock_irq(shost->host_lock); |
| 1592 | |
Andrew Vasquez | f631b4b | 2005-08-31 15:23:12 -0700 | [diff] [blame] | 1593 | fc_host_fabric_name(shost) = node_name; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1594 | } |
| 1595 | |
James Smart | ae36764 | 2006-08-18 17:46:53 -0400 | [diff] [blame] | 1596 | static void |
| 1597 | lpfc_get_host_symbolic_name (struct Scsi_Host *shost) |
| 1598 | { |
| 1599 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata; |
| 1600 | |
| 1601 | spin_lock_irq(shost->host_lock); |
| 1602 | lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(shost)); |
| 1603 | spin_unlock_irq(shost->host_lock); |
| 1604 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1605 | |
| 1606 | static struct fc_host_statistics * |
| 1607 | lpfc_get_stats(struct Scsi_Host *shost) |
| 1608 | { |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 1609 | struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1610 | struct lpfc_sli *psli = &phba->sli; |
James.Smart@Emulex.Com | f888ba3 | 2005-08-10 15:03:01 -0400 | [diff] [blame] | 1611 | struct fc_host_statistics *hs = &phba->link_stats; |
James Smart | 64ba881 | 2006-08-02 15:24:34 -0400 | [diff] [blame] | 1612 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1613 | LPFC_MBOXQ_t *pmboxq; |
| 1614 | MAILBOX_t *pmb; |
James Smart | 64ba881 | 2006-08-02 15:24:34 -0400 | [diff] [blame] | 1615 | unsigned long seconds; |
James.Smart@Emulex.Com | 433c357 | 2005-10-28 20:28:56 -0400 | [diff] [blame] | 1616 | int rc = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1617 | |
James Smart | 46fa311 | 2007-04-25 09:51:45 -0400 | [diff] [blame] | 1618 | if (phba->fc_flag & FC_BLOCK_MGMT_IO) |
| 1619 | return NULL; |
| 1620 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1621 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 1622 | if (!pmboxq) |
| 1623 | return NULL; |
| 1624 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
| 1625 | |
| 1626 | pmb = &pmboxq->mb; |
| 1627 | pmb->mbxCommand = MBX_READ_STATUS; |
| 1628 | pmb->mbxOwner = OWN_HOST; |
| 1629 | pmboxq->context1 = NULL; |
| 1630 | |
| 1631 | if ((phba->fc_flag & FC_OFFLINE_MODE) || |
James.Smart@Emulex.Com | 433c357 | 2005-10-28 20:28:56 -0400 | [diff] [blame] | 1632 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1633 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
James.Smart@Emulex.Com | 433c357 | 2005-10-28 20:28:56 -0400 | [diff] [blame] | 1634 | else |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1635 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
| 1636 | |
| 1637 | if (rc != MBX_SUCCESS) { |
James.Smart@Emulex.Com | 433c357 | 2005-10-28 20:28:56 -0400 | [diff] [blame] | 1638 | if (rc == MBX_TIMEOUT) |
| 1639 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 1640 | else |
| 1641 | mempool_free(pmboxq, phba->mbox_mem_pool); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1642 | return NULL; |
| 1643 | } |
| 1644 | |
James.Smart@Emulex.Com | f888ba3 | 2005-08-10 15:03:01 -0400 | [diff] [blame] | 1645 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
| 1646 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1647 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
| 1648 | hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); |
| 1649 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; |
| 1650 | hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); |
| 1651 | |
James.Smart@Emulex.Com | 433c357 | 2005-10-28 20:28:56 -0400 | [diff] [blame] | 1652 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1653 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
| 1654 | pmb->mbxOwner = OWN_HOST; |
| 1655 | pmboxq->context1 = NULL; |
| 1656 | |
| 1657 | if ((phba->fc_flag & FC_OFFLINE_MODE) || |
James.Smart@Emulex.Com | 433c357 | 2005-10-28 20:28:56 -0400 | [diff] [blame] | 1658 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1659 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
James.Smart@Emulex.Com | 433c357 | 2005-10-28 20:28:56 -0400 | [diff] [blame] | 1660 | else |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1661 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
| 1662 | |
| 1663 | if (rc != MBX_SUCCESS) { |
James.Smart@Emulex.Com | 433c357 | 2005-10-28 20:28:56 -0400 | [diff] [blame] | 1664 | if (rc == MBX_TIMEOUT) |
| 1665 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 1666 | else |
| 1667 | mempool_free( pmboxq, phba->mbox_mem_pool); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1668 | return NULL; |
| 1669 | } |
| 1670 | |
| 1671 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; |
| 1672 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; |
| 1673 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; |
| 1674 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; |
| 1675 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; |
| 1676 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; |
| 1677 | hs->error_frames = pmb->un.varRdLnk.crcCnt; |
| 1678 | |
James Smart | 64ba881 | 2006-08-02 15:24:34 -0400 | [diff] [blame] | 1679 | hs->link_failure_count -= lso->link_failure_count; |
| 1680 | hs->loss_of_sync_count -= lso->loss_of_sync_count; |
| 1681 | hs->loss_of_signal_count -= lso->loss_of_signal_count; |
| 1682 | hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; |
| 1683 | hs->invalid_tx_word_count -= lso->invalid_tx_word_count; |
| 1684 | hs->invalid_crc_count -= lso->invalid_crc_count; |
| 1685 | hs->error_frames -= lso->error_frames; |
| 1686 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1687 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 1688 | hs->lip_count = (phba->fc_eventTag >> 1); |
James Smart | 64ba881 | 2006-08-02 15:24:34 -0400 | [diff] [blame] | 1689 | hs->lip_count -= lso->link_events; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1690 | hs->nos_count = -1; |
| 1691 | } else { |
| 1692 | hs->lip_count = -1; |
| 1693 | hs->nos_count = (phba->fc_eventTag >> 1); |
James Smart | 64ba881 | 2006-08-02 15:24:34 -0400 | [diff] [blame] | 1694 | hs->nos_count -= lso->link_events; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1695 | } |
| 1696 | |
| 1697 | hs->dumped_frames = -1; |
| 1698 | |
James Smart | 64ba881 | 2006-08-02 15:24:34 -0400 | [diff] [blame] | 1699 | seconds = get_seconds(); |
| 1700 | if (seconds < psli->stats_start) |
| 1701 | hs->seconds_since_last_reset = seconds + |
| 1702 | ((unsigned long)-1 - psli->stats_start); |
| 1703 | else |
| 1704 | hs->seconds_since_last_reset = seconds - psli->stats_start; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1705 | |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 1706 | mempool_free(pmboxq, phba->mbox_mem_pool); |
| 1707 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1708 | return hs; |
| 1709 | } |
| 1710 | |
James Smart | 64ba881 | 2006-08-02 15:24:34 -0400 | [diff] [blame] | 1711 | static void |
| 1712 | lpfc_reset_stats(struct Scsi_Host *shost) |
| 1713 | { |
| 1714 | struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata; |
| 1715 | struct lpfc_sli *psli = &phba->sli; |
| 1716 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
| 1717 | LPFC_MBOXQ_t *pmboxq; |
| 1718 | MAILBOX_t *pmb; |
| 1719 | int rc = 0; |
| 1720 | |
James Smart | 46fa311 | 2007-04-25 09:51:45 -0400 | [diff] [blame] | 1721 | if (phba->fc_flag & FC_BLOCK_MGMT_IO) |
| 1722 | return; |
| 1723 | |
James Smart | 64ba881 | 2006-08-02 15:24:34 -0400 | [diff] [blame] | 1724 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 1725 | if (!pmboxq) |
| 1726 | return; |
| 1727 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); |
| 1728 | |
| 1729 | pmb = &pmboxq->mb; |
| 1730 | pmb->mbxCommand = MBX_READ_STATUS; |
| 1731 | pmb->mbxOwner = OWN_HOST; |
| 1732 | pmb->un.varWords[0] = 0x1; /* reset request */ |
| 1733 | pmboxq->context1 = NULL; |
| 1734 | |
| 1735 | if ((phba->fc_flag & FC_OFFLINE_MODE) || |
| 1736 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
| 1737 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
| 1738 | else |
| 1739 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
| 1740 | |
| 1741 | if (rc != MBX_SUCCESS) { |
| 1742 | if (rc == MBX_TIMEOUT) |
| 1743 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 1744 | else |
| 1745 | mempool_free(pmboxq, phba->mbox_mem_pool); |
| 1746 | return; |
| 1747 | } |
| 1748 | |
| 1749 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); |
| 1750 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
| 1751 | pmb->mbxOwner = OWN_HOST; |
| 1752 | pmboxq->context1 = NULL; |
| 1753 | |
| 1754 | if ((phba->fc_flag & FC_OFFLINE_MODE) || |
| 1755 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
| 1756 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
| 1757 | else |
| 1758 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
| 1759 | |
| 1760 | if (rc != MBX_SUCCESS) { |
| 1761 | if (rc == MBX_TIMEOUT) |
| 1762 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 1763 | else |
| 1764 | mempool_free( pmboxq, phba->mbox_mem_pool); |
| 1765 | return; |
| 1766 | } |
| 1767 | |
| 1768 | lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; |
| 1769 | lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; |
| 1770 | lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; |
| 1771 | lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; |
| 1772 | lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; |
| 1773 | lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; |
| 1774 | lso->error_frames = pmb->un.varRdLnk.crcCnt; |
| 1775 | lso->link_events = (phba->fc_eventTag >> 1); |
| 1776 | |
| 1777 | psli->stats_start = get_seconds(); |
| 1778 | |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 1779 | mempool_free(pmboxq, phba->mbox_mem_pool); |
| 1780 | |
James Smart | 64ba881 | 2006-08-02 15:24:34 -0400 | [diff] [blame] | 1781 | return; |
| 1782 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1783 | |
| 1784 | /* |
| 1785 | * The LPFC driver treats linkdown handling as target loss events so there |
| 1786 | * are no sysfs handlers for link_down_tmo. |
| 1787 | */ |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 1788 | |
| 1789 | static struct lpfc_nodelist * |
| 1790 | lpfc_get_node_by_target(struct scsi_target *starget) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1791 | { |
| 1792 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
Jamie Wellnitz | 7f0b5b1 | 2006-02-28 19:25:24 -0500 | [diff] [blame] | 1793 | struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata; |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 1794 | struct lpfc_nodelist *ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1795 | |
| 1796 | spin_lock_irq(shost->host_lock); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 1797 | /* Search for this, mapped, target ID */ |
| 1798 | list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) { |
| 1799 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE && |
| 1800 | starget->id == ndlp->nlp_sid) { |
| 1801 | spin_unlock_irq(shost->host_lock); |
| 1802 | return ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1803 | } |
| 1804 | } |
| 1805 | spin_unlock_irq(shost->host_lock); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 1806 | return NULL; |
| 1807 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1808 | |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 1809 | static void |
| 1810 | lpfc_get_starget_port_id(struct scsi_target *starget) |
| 1811 | { |
| 1812 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
| 1813 | |
| 1814 | fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1815 | } |
| 1816 | |
| 1817 | static void |
| 1818 | lpfc_get_starget_node_name(struct scsi_target *starget) |
| 1819 | { |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 1820 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1821 | |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 1822 | fc_starget_node_name(starget) = |
| 1823 | ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1824 | } |
| 1825 | |
| 1826 | static void |
| 1827 | lpfc_get_starget_port_name(struct scsi_target *starget) |
| 1828 | { |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 1829 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1830 | |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 1831 | fc_starget_port_name(starget) = |
| 1832 | ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1833 | } |
| 1834 | |
| 1835 | static void |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1836 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) |
| 1837 | { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1838 | if (timeout) |
James Smart | c01f320 | 2006-08-18 17:47:08 -0400 | [diff] [blame] | 1839 | rport->dev_loss_tmo = timeout; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1840 | else |
James Smart | c01f320 | 2006-08-18 17:47:08 -0400 | [diff] [blame] | 1841 | rport->dev_loss_tmo = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1842 | } |
| 1843 | |
| 1844 | |
| 1845 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ |
| 1846 | static ssize_t \ |
| 1847 | lpfc_show_rport_##field (struct class_device *cdev, char *buf) \ |
| 1848 | { \ |
| 1849 | struct fc_rport *rport = transport_class_to_rport(cdev); \ |
| 1850 | struct lpfc_rport_data *rdata = rport->hostdata; \ |
| 1851 | return snprintf(buf, sz, format_string, \ |
| 1852 | (rdata->target) ? cast rdata->target->field : 0); \ |
| 1853 | } |
| 1854 | |
| 1855 | #define lpfc_rport_rd_attr(field, format_string, sz) \ |
| 1856 | lpfc_rport_show_function(field, format_string, sz, ) \ |
| 1857 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) |
| 1858 | |
| 1859 | |
| 1860 | struct fc_function_template lpfc_transport_functions = { |
| 1861 | /* fixed attributes the driver supports */ |
| 1862 | .show_host_node_name = 1, |
| 1863 | .show_host_port_name = 1, |
| 1864 | .show_host_supported_classes = 1, |
| 1865 | .show_host_supported_fc4s = 1, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1866 | .show_host_supported_speeds = 1, |
| 1867 | .show_host_maxframe_size = 1, |
| 1868 | |
| 1869 | /* dynamic attributes the driver supports */ |
| 1870 | .get_host_port_id = lpfc_get_host_port_id, |
| 1871 | .show_host_port_id = 1, |
| 1872 | |
| 1873 | .get_host_port_type = lpfc_get_host_port_type, |
| 1874 | .show_host_port_type = 1, |
| 1875 | |
| 1876 | .get_host_port_state = lpfc_get_host_port_state, |
| 1877 | .show_host_port_state = 1, |
| 1878 | |
| 1879 | /* active_fc4s is shown but doesn't change (thus no get function) */ |
| 1880 | .show_host_active_fc4s = 1, |
| 1881 | |
| 1882 | .get_host_speed = lpfc_get_host_speed, |
| 1883 | .show_host_speed = 1, |
| 1884 | |
| 1885 | .get_host_fabric_name = lpfc_get_host_fabric_name, |
| 1886 | .show_host_fabric_name = 1, |
| 1887 | |
James Smart | ae36764 | 2006-08-18 17:46:53 -0400 | [diff] [blame] | 1888 | .get_host_symbolic_name = lpfc_get_host_symbolic_name, |
| 1889 | .show_host_symbolic_name = 1, |
| 1890 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1891 | /* |
| 1892 | * The LPFC driver treats linkdown handling as target loss events |
| 1893 | * so there are no sysfs handlers for link_down_tmo. |
| 1894 | */ |
| 1895 | |
| 1896 | .get_fc_host_stats = lpfc_get_stats, |
James Smart | 64ba881 | 2006-08-02 15:24:34 -0400 | [diff] [blame] | 1897 | .reset_fc_host_stats = lpfc_reset_stats, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1898 | |
| 1899 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), |
| 1900 | .show_rport_maxframe_size = 1, |
| 1901 | .show_rport_supported_classes = 1, |
| 1902 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1903 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
| 1904 | .show_rport_dev_loss_tmo = 1, |
| 1905 | |
| 1906 | .get_starget_port_id = lpfc_get_starget_port_id, |
| 1907 | .show_starget_port_id = 1, |
| 1908 | |
| 1909 | .get_starget_node_name = lpfc_get_starget_node_name, |
| 1910 | .show_starget_node_name = 1, |
| 1911 | |
| 1912 | .get_starget_port_name = lpfc_get_starget_port_name, |
| 1913 | .show_starget_port_name = 1, |
Andrew Vasquez | 91ca7b0 | 2005-10-27 16:03:37 -0700 | [diff] [blame] | 1914 | |
| 1915 | .issue_fc_host_lip = lpfc_issue_lip, |
James Smart | c01f320 | 2006-08-18 17:47:08 -0400 | [diff] [blame] | 1916 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, |
| 1917 | .terminate_rport_io = lpfc_terminate_rport_io, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1918 | }; |
| 1919 | |
| 1920 | void |
| 1921 | lpfc_get_cfgparam(struct lpfc_hba *phba) |
| 1922 | { |
James.Smart@Emulex.Com | 7bcbb75 | 2005-10-28 20:29:13 -0400 | [diff] [blame] | 1923 | lpfc_log_verbose_init(phba, lpfc_log_verbose); |
| 1924 | lpfc_cr_delay_init(phba, lpfc_cr_delay); |
| 1925 | lpfc_cr_count_init(phba, lpfc_cr_count); |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 1926 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 1927 | lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); |
| 1928 | lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); |
James.Smart@Emulex.Com | 7bcbb75 | 2005-10-28 20:29:13 -0400 | [diff] [blame] | 1929 | lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth); |
| 1930 | lpfc_fcp_class_init(phba, lpfc_fcp_class); |
| 1931 | lpfc_use_adisc_init(phba, lpfc_use_adisc); |
| 1932 | lpfc_ack0_init(phba, lpfc_ack0); |
| 1933 | lpfc_topology_init(phba, lpfc_topology); |
| 1934 | lpfc_scan_down_init(phba, lpfc_scan_down); |
James.Smart@Emulex.Com | 7bcbb75 | 2005-10-28 20:29:13 -0400 | [diff] [blame] | 1935 | lpfc_link_speed_init(phba, lpfc_link_speed); |
| 1936 | lpfc_fdmi_on_init(phba, lpfc_fdmi_on); |
| 1937 | lpfc_discovery_threads_init(phba, lpfc_discovery_threads); |
| 1938 | lpfc_max_luns_init(phba, lpfc_max_luns); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1939 | lpfc_poll_tmo_init(phba, lpfc_poll_tmo); |
James Smart | 4ff4324 | 2006-12-02 13:34:56 -0500 | [diff] [blame] | 1940 | lpfc_use_msi_init(phba, lpfc_use_msi); |
James Smart | c01f320 | 2006-08-18 17:47:08 -0400 | [diff] [blame] | 1941 | lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo); |
| 1942 | lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1943 | phba->cfg_poll = lpfc_poll; |
James Smart | a12e07b | 2006-12-02 13:35:30 -0500 | [diff] [blame] | 1944 | phba->cfg_soft_wwnn = 0L; |
James Smart | c3f28af | 2006-08-18 17:47:18 -0400 | [diff] [blame] | 1945 | phba->cfg_soft_wwpn = 0L; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1946 | |
| 1947 | /* |
| 1948 | * The total number of segments is the configuration value plus 2 |
| 1949 | * since the IOCB need a command and response bde. |
| 1950 | */ |
| 1951 | phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2; |
| 1952 | |
| 1953 | /* |
| 1954 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size |
| 1955 | * used to create the sg_dma_buf_pool must be dynamically calculated |
| 1956 | */ |
| 1957 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + |
| 1958 | sizeof(struct fcp_rsp) + |
| 1959 | (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64)); |
| 1960 | |
Jamie Wellnitz | b28485a | 2006-02-28 19:25:21 -0500 | [diff] [blame] | 1961 | |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 1962 | lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); |
Jamie Wellnitz | b28485a | 2006-02-28 19:25:21 -0500 | [diff] [blame] | 1963 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1964 | return; |
| 1965 | } |