| 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. * |
| 4 | * Copyright (C) 2004-2005 Emulex. All rights reserved. * |
| 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> |
| 23 | #include <linux/pci.h> |
| 24 | #include <linux/interrupt.h> |
| 25 | |
| 26 | #include <scsi/scsi_device.h> |
| 27 | #include <scsi/scsi_host.h> |
| 28 | #include <scsi/scsi_tcq.h> |
| 29 | #include <scsi/scsi_transport_fc.h> |
| 30 | |
| 31 | #include "lpfc_hw.h" |
| 32 | #include "lpfc_sli.h" |
| 33 | #include "lpfc_disc.h" |
| 34 | #include "lpfc_scsi.h" |
| 35 | #include "lpfc.h" |
| 36 | #include "lpfc_logmsg.h" |
| 37 | #include "lpfc_version.h" |
| 38 | #include "lpfc_compat.h" |
| 39 | #include "lpfc_crtn.h" |
| 40 | |
| 41 | |
| 42 | static void |
| 43 | lpfc_jedec_to_ascii(int incr, char hdw[]) |
| 44 | { |
| 45 | int i, j; |
| 46 | for (i = 0; i < 8; i++) { |
| 47 | j = (incr & 0xf); |
| 48 | if (j <= 9) |
| 49 | hdw[7 - i] = 0x30 + j; |
| 50 | else |
| 51 | hdw[7 - i] = 0x61 + j - 10; |
| 52 | incr = (incr >> 4); |
| 53 | } |
| 54 | hdw[8] = 0; |
| 55 | return; |
| 56 | } |
| 57 | |
| 58 | static ssize_t |
| 59 | lpfc_drvr_version_show(struct class_device *cdev, char *buf) |
| 60 | { |
| 61 | return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); |
| 62 | } |
| 63 | |
| 64 | static ssize_t |
| 65 | management_version_show(struct class_device *cdev, char *buf) |
| 66 | { |
| 67 | return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n"); |
| 68 | } |
| 69 | |
| 70 | static ssize_t |
| 71 | lpfc_info_show(struct class_device *cdev, char *buf) |
| 72 | { |
| 73 | struct Scsi_Host *host = class_to_shost(cdev); |
| 74 | return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); |
| 75 | } |
| 76 | |
| 77 | static ssize_t |
| 78 | lpfc_serialnum_show(struct class_device *cdev, char *buf) |
| 79 | { |
| 80 | struct Scsi_Host *host = class_to_shost(cdev); |
| 81 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 82 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
| 83 | } |
| 84 | |
| 85 | static ssize_t |
| 86 | lpfc_modeldesc_show(struct class_device *cdev, char *buf) |
| 87 | { |
| 88 | struct Scsi_Host *host = class_to_shost(cdev); |
| 89 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 90 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
| 91 | } |
| 92 | |
| 93 | static ssize_t |
| 94 | lpfc_modelname_show(struct class_device *cdev, char *buf) |
| 95 | { |
| 96 | struct Scsi_Host *host = class_to_shost(cdev); |
| 97 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 98 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
| 99 | } |
| 100 | |
| 101 | static ssize_t |
| 102 | lpfc_programtype_show(struct class_device *cdev, char *buf) |
| 103 | { |
| 104 | struct Scsi_Host *host = class_to_shost(cdev); |
| 105 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 106 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
| 107 | } |
| 108 | |
| 109 | static ssize_t |
| 110 | lpfc_portnum_show(struct class_device *cdev, char *buf) |
| 111 | { |
| 112 | struct Scsi_Host *host = class_to_shost(cdev); |
| 113 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 114 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
| 115 | } |
| 116 | |
| 117 | static ssize_t |
| 118 | lpfc_fwrev_show(struct class_device *cdev, char *buf) |
| 119 | { |
| 120 | struct Scsi_Host *host = class_to_shost(cdev); |
| 121 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 122 | char fwrev[32]; |
| 123 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
| 124 | return snprintf(buf, PAGE_SIZE, "%s\n",fwrev); |
| 125 | } |
| 126 | |
| 127 | static ssize_t |
| 128 | lpfc_hdw_show(struct class_device *cdev, char *buf) |
| 129 | { |
| 130 | char hdw[9]; |
| 131 | struct Scsi_Host *host = class_to_shost(cdev); |
| 132 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 133 | lpfc_vpd_t *vp = &phba->vpd; |
| 134 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
| 135 | return snprintf(buf, PAGE_SIZE, "%s\n", hdw); |
| 136 | } |
| 137 | static ssize_t |
| 138 | lpfc_option_rom_version_show(struct class_device *cdev, char *buf) |
| 139 | { |
| 140 | struct Scsi_Host *host = class_to_shost(cdev); |
| 141 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 142 | return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); |
| 143 | } |
| 144 | static ssize_t |
| 145 | lpfc_state_show(struct class_device *cdev, char *buf) |
| 146 | { |
| 147 | struct Scsi_Host *host = class_to_shost(cdev); |
| 148 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 149 | int len = 0; |
| 150 | switch (phba->hba_state) { |
| 151 | case LPFC_INIT_START: |
| 152 | case LPFC_INIT_MBX_CMDS: |
| 153 | case LPFC_LINK_DOWN: |
| 154 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n"); |
| 155 | break; |
| 156 | case LPFC_LINK_UP: |
| 157 | case LPFC_LOCAL_CFG_LINK: |
| 158 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n"); |
| 159 | break; |
| 160 | case LPFC_FLOGI: |
| 161 | case LPFC_FABRIC_CFG_LINK: |
| 162 | case LPFC_NS_REG: |
| 163 | case LPFC_NS_QRY: |
| 164 | case LPFC_BUILD_DISC_LIST: |
| 165 | case LPFC_DISC_AUTH: |
| 166 | case LPFC_CLEAR_LA: |
| 167 | len += snprintf(buf + len, PAGE_SIZE-len, |
| 168 | "Link Up - Discovery\n"); |
| 169 | break; |
| 170 | case LPFC_HBA_READY: |
| 171 | len += snprintf(buf + len, PAGE_SIZE-len, |
| 172 | "Link Up - Ready:\n"); |
| 173 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 174 | if (phba->fc_flag & FC_PUBLIC_LOOP) |
| 175 | len += snprintf(buf + len, PAGE_SIZE-len, |
| 176 | " Public Loop\n"); |
| 177 | else |
| 178 | len += snprintf(buf + len, PAGE_SIZE-len, |
| 179 | " Private Loop\n"); |
| 180 | } else { |
| 181 | if (phba->fc_flag & FC_FABRIC) |
| 182 | len += snprintf(buf + len, PAGE_SIZE-len, |
| 183 | " Fabric\n"); |
| 184 | else |
| 185 | len += snprintf(buf + len, PAGE_SIZE-len, |
| 186 | " Point-2-Point\n"); |
| 187 | } |
| 188 | } |
| 189 | return len; |
| 190 | } |
| 191 | |
| 192 | static ssize_t |
| 193 | lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf) |
| 194 | { |
| 195 | struct Scsi_Host *host = class_to_shost(cdev); |
| 196 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 197 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt + |
| 198 | phba->fc_unmap_cnt); |
| 199 | } |
| 200 | |
| 201 | |
| 202 | static ssize_t |
| 203 | lpfc_issue_lip (struct class_device *cdev, const char *buf, size_t count) |
| 204 | { |
| 205 | struct Scsi_Host *host = class_to_shost(cdev); |
| 206 | struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0]; |
| 207 | int val = 0; |
| 208 | LPFC_MBOXQ_t *pmboxq; |
| 209 | int mbxstatus = MBXERR_ERROR; |
| 210 | |
| 211 | if ((sscanf(buf, "%d", &val) != 1) || |
| 212 | (val != 1)) |
| 213 | return -EINVAL; |
| 214 | |
| 215 | if ((phba->fc_flag & FC_OFFLINE_MODE) || |
| 216 | (phba->hba_state != LPFC_HBA_READY)) |
| 217 | return -EPERM; |
| 218 | |
| 219 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); |
| 220 | |
| 221 | if (!pmboxq) |
| 222 | return -ENOMEM; |
| 223 | |
| 224 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
| 225 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed); |
| 226 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
| 227 | |
| 228 | if (mbxstatus == MBX_TIMEOUT) |
| 229 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 230 | else |
| 231 | mempool_free( pmboxq, phba->mbox_mem_pool); |
| 232 | |
| 233 | if (mbxstatus == MBXERR_ERROR) |
| 234 | return -EIO; |
| 235 | |
| 236 | return strlen(buf); |
| 237 | } |
| 238 | |
| 239 | static ssize_t |
| 240 | lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf) |
| 241 | { |
| 242 | struct Scsi_Host *host = class_to_shost(cdev); |
| 243 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 244 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
| 245 | } |
| 246 | |
| 247 | static ssize_t |
| 248 | lpfc_board_online_show(struct class_device *cdev, char *buf) |
| 249 | { |
| 250 | struct Scsi_Host *host = class_to_shost(cdev); |
| 251 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 252 | |
| 253 | if (!phba) return 0; |
| 254 | |
| 255 | if (phba->fc_flag & FC_OFFLINE_MODE) |
| 256 | return snprintf(buf, PAGE_SIZE, "0\n"); |
| 257 | else |
| 258 | return snprintf(buf, PAGE_SIZE, "1\n"); |
| 259 | } |
| 260 | |
| 261 | static ssize_t |
| 262 | lpfc_board_online_store(struct class_device *cdev, const char *buf, |
| 263 | size_t count) |
| 264 | { |
| 265 | struct Scsi_Host *host = class_to_shost(cdev); |
| 266 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 267 | struct completion online_compl; |
| 268 | int val=0, status=0; |
| 269 | |
| 270 | if (sscanf(buf, "%d", &val) != 1) |
| 271 | return 0; |
| 272 | |
| 273 | init_completion(&online_compl); |
| 274 | |
| 275 | if (val) |
| 276 | lpfc_workq_post_event(phba, &status, &online_compl, |
| 277 | LPFC_EVT_ONLINE); |
| 278 | else |
| 279 | lpfc_workq_post_event(phba, &status, &online_compl, |
| 280 | LPFC_EVT_OFFLINE); |
| 281 | wait_for_completion(&online_compl); |
| 282 | if (!status) |
| 283 | return strlen(buf); |
| 284 | else |
| 285 | return 0; |
| 286 | } |
| 287 | |
| 288 | |
| 289 | #define lpfc_param_show(attr) \ |
| 290 | static ssize_t \ |
| 291 | lpfc_##attr##_show(struct class_device *cdev, char *buf) \ |
| 292 | { \ |
| 293 | struct Scsi_Host *host = class_to_shost(cdev);\ |
| 294 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\ |
| 295 | int val = 0;\ |
| 296 | if (phba){\ |
| 297 | val = phba->cfg_##attr;\ |
| 298 | return snprintf(buf, PAGE_SIZE, "%d\n",\ |
| 299 | phba->cfg_##attr);\ |
| 300 | }\ |
| 301 | return 0;\ |
| 302 | } |
| 303 | |
| 304 | #define lpfc_param_store(attr, minval, maxval) \ |
| 305 | static ssize_t \ |
| 306 | lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \ |
| 307 | { \ |
| 308 | struct Scsi_Host *host = class_to_shost(cdev);\ |
| 309 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\ |
| 310 | int val = 0;\ |
| 311 | if (!isdigit(buf[0]))\ |
| 312 | return -EINVAL;\ |
| 313 | if (sscanf(buf, "0x%x", &val) != 1)\ |
| 314 | if (sscanf(buf, "%d", &val) != 1)\ |
| 315 | return -EINVAL;\ |
| 316 | if (phba){\ |
| 317 | if (val >= minval && val <= maxval) {\ |
| 318 | phba->cfg_##attr = val;\ |
| 319 | return strlen(buf);\ |
| 320 | }\ |
| 321 | }\ |
| 322 | return 0;\ |
| 323 | } |
| 324 | |
| 325 | #define LPFC_ATTR_R_NOINIT(name, desc) \ |
| 326 | extern int lpfc_##name;\ |
| 327 | module_param(lpfc_##name, int, 0);\ |
| 328 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
| 329 | lpfc_param_show(name)\ |
| 330 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
| 331 | |
| 332 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ |
| 333 | static int lpfc_##name = defval;\ |
| 334 | module_param(lpfc_##name, int, 0);\ |
| 335 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
| 336 | lpfc_param_show(name)\ |
| 337 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
| 338 | |
| 339 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ |
| 340 | static int lpfc_##name = defval;\ |
| 341 | module_param(lpfc_##name, int, 0);\ |
| 342 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
| 343 | lpfc_param_show(name)\ |
| 344 | lpfc_param_store(name, minval, maxval)\ |
| 345 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
| 346 | lpfc_##name##_show, lpfc_##name##_store) |
| 347 | |
| 348 | static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
| 349 | static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); |
| 350 | static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); |
| 351 | static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); |
| 352 | static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); |
| 353 | static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL); |
| 354 | static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); |
| 355 | static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); |
| 356 | static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL); |
| 357 | static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO, |
| 358 | lpfc_option_rom_version_show, NULL); |
| 359 | static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO, |
| 360 | lpfc_num_discovered_ports_show, NULL); |
| 361 | static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
| 362 | static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, |
| 363 | NULL); |
| 364 | static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show, |
| 365 | NULL); |
| 366 | static CLASS_DEVICE_ATTR(issue_lip, S_IWUSR, NULL, lpfc_issue_lip); |
| 367 | static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR, |
| 368 | lpfc_board_online_show, lpfc_board_online_store); |
| 369 | |
| 370 | |
| 371 | /* |
| 372 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being |
| 373 | # deluged with LOTS of information. |
| 374 | # You can set a bit mask to record specific types of verbose messages: |
| 375 | # |
| 376 | # LOG_ELS 0x1 ELS events |
| 377 | # LOG_DISCOVERY 0x2 Link discovery events |
| 378 | # LOG_MBOX 0x4 Mailbox events |
| 379 | # LOG_INIT 0x8 Initialization events |
| 380 | # LOG_LINK_EVENT 0x10 Link events |
| 381 | # LOG_IP 0x20 IP traffic history |
| 382 | # LOG_FCP 0x40 FCP traffic history |
| 383 | # LOG_NODE 0x80 Node table events |
| 384 | # LOG_MISC 0x400 Miscellaneous events |
| 385 | # LOG_SLI 0x800 SLI events |
| 386 | # LOG_CHK_COND 0x1000 FCP Check condition flag |
| 387 | # LOG_LIBDFC 0x2000 LIBDFC events |
| 388 | # LOG_ALL_MSG 0xffff LOG all messages |
| 389 | */ |
| 390 | LPFC_ATTR_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask"); |
| 391 | |
| 392 | /* |
| 393 | # lun_queue_depth: This parameter is used to limit the number of outstanding |
| 394 | # commands per FCP LUN. Value range is [1,128]. Default value is 30. |
| 395 | */ |
| 396 | LPFC_ATTR_R(lun_queue_depth, 30, 1, 128, |
| 397 | "Max number of FCP commands we can queue to a specific LUN"); |
| 398 | |
| 399 | /* |
| 400 | # Some disk devices have a "select ID" or "select Target" capability. |
| 401 | # From a protocol standpoint "select ID" usually means select the |
| 402 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative |
| 403 | # annex" which contains a table that maps a "select ID" (a number |
| 404 | # between 0 and 7F) to an ALPA. By default, for compatibility with |
| 405 | # older drivers, the lpfc driver scans this table from low ALPA to high |
| 406 | # ALPA. |
| 407 | # |
| 408 | # Turning on the scan-down variable (on = 1, off = 0) will |
| 409 | # cause the lpfc driver to use an inverted table, effectively |
| 410 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. |
| 411 | # |
| 412 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic |
| 413 | # and will not work across a fabric. Also this parameter will take |
| 414 | # effect only in the case when ALPA map is not available.) |
| 415 | */ |
| 416 | LPFC_ATTR_R(scan_down, 1, 0, 1, |
| 417 | "Start scanning for devices from highest ALPA to lowest"); |
| 418 | |
| 419 | /* |
| 420 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear |
| 421 | # until the timer expires. Value range is [0,255]. Default value is 20. |
| 422 | # NOTE: this MUST be less then the SCSI Layer command timeout - 1. |
| 423 | */ |
| 424 | LPFC_ATTR_RW(nodev_tmo, 30, 0, 255, |
| 425 | "Seconds driver will hold I/O waiting for a device to come back"); |
| 426 | |
| 427 | /* |
| 428 | # lpfc_topology: link topology for init link |
| 429 | # 0x0 = attempt loop mode then point-to-point |
| 430 | # 0x02 = attempt point-to-point mode only |
| 431 | # 0x04 = attempt loop mode only |
| 432 | # 0x06 = attempt point-to-point mode then loop |
| 433 | # Set point-to-point mode if you want to run as an N_Port. |
| 434 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. |
| 435 | # Default value is 0. |
| 436 | */ |
| 437 | LPFC_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology"); |
| 438 | |
| 439 | /* |
| 440 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel |
| 441 | # connection. |
| 442 | # 0 = auto select (default) |
| 443 | # 1 = 1 Gigabaud |
| 444 | # 2 = 2 Gigabaud |
| 445 | # 4 = 4 Gigabaud |
| 446 | # Value range is [0,4]. Default value is 0. |
| 447 | */ |
| 448 | LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed"); |
| 449 | |
| 450 | /* |
| 451 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. |
| 452 | # Value range is [2,3]. Default value is 3. |
| 453 | */ |
| 454 | LPFC_ATTR_R(fcp_class, 3, 2, 3, |
| 455 | "Select Fibre Channel class of service for FCP sequences"); |
| 456 | |
| 457 | /* |
| 458 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range |
| 459 | # is [0,1]. Default value is 0. |
| 460 | */ |
| 461 | LPFC_ATTR_RW(use_adisc, 0, 0, 1, |
| 462 | "Use ADISC on rediscovery to authenticate FCP devices"); |
| 463 | |
| 464 | /* |
| 465 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value |
| 466 | # range is [0,1]. Default value is 0. |
| 467 | */ |
| 468 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); |
| 469 | |
| 470 | /* |
| 471 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing |
| 472 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take |
| 473 | # value [0,63]. cr_count can take value [0,255]. Default value of cr_delay |
| 474 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
| 475 | # cr_delay is set to 0. |
| 476 | */ |
| 477 | static int lpfc_cr_delay = 0; |
| 478 | module_param(lpfc_cr_delay, int , 0); |
| 479 | MODULE_PARM_DESC(lpfc_cr_delay, "A count of milliseconds after which an " |
| 480 | "interrupt response is generated"); |
| 481 | |
| 482 | static int lpfc_cr_count = 1; |
| 483 | module_param(lpfc_cr_count, int, 0); |
| 484 | MODULE_PARM_DESC(lpfc_cr_count, "A count of I/O completions after which an " |
| 485 | "interrupt response is generated"); |
| 486 | |
| 487 | /* |
| 488 | # lpfc_fdmi_on: controls FDMI support. |
| 489 | # 0 = no FDMI support |
| 490 | # 1 = support FDMI without attribute of hostname |
| 491 | # 2 = support FDMI with attribute of hostname |
| 492 | # Value range [0,2]. Default value is 0. |
| 493 | */ |
| 494 | LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); |
| 495 | |
| 496 | /* |
| 497 | # Specifies the maximum number of ELS cmds we can have outstanding (for |
| 498 | # discovery). Value range is [1,64]. Default value = 32. |
| 499 | */ |
| 500 | static int lpfc_discovery_threads = 32; |
| 501 | module_param(lpfc_discovery_threads, int, 0); |
| 502 | MODULE_PARM_DESC(lpfc_discovery_threads, "Maximum number of ELS commands " |
| 503 | "during discovery"); |
| 504 | |
| 505 | /* |
| 506 | # lpfc_max_luns: maximum number of LUNs per target driver will support |
| 507 | # Value range is [1,32768]. Default value is 256. |
| 508 | # NOTE: The SCSI layer will scan each target for this many luns |
| 509 | */ |
| 510 | LPFC_ATTR_R(max_luns, 256, 1, 32768, |
| 511 | "Maximum number of LUNs per target driver will support"); |
| 512 | |
| 513 | struct class_device_attribute *lpfc_host_attrs[] = { |
| 514 | &class_device_attr_info, |
| 515 | &class_device_attr_serialnum, |
| 516 | &class_device_attr_modeldesc, |
| 517 | &class_device_attr_modelname, |
| 518 | &class_device_attr_programtype, |
| 519 | &class_device_attr_portnum, |
| 520 | &class_device_attr_fwrev, |
| 521 | &class_device_attr_hdw, |
| 522 | &class_device_attr_option_rom_version, |
| 523 | &class_device_attr_state, |
| 524 | &class_device_attr_num_discovered_ports, |
| 525 | &class_device_attr_lpfc_drvr_version, |
| 526 | &class_device_attr_lpfc_log_verbose, |
| 527 | &class_device_attr_lpfc_lun_queue_depth, |
| 528 | &class_device_attr_lpfc_nodev_tmo, |
| 529 | &class_device_attr_lpfc_fcp_class, |
| 530 | &class_device_attr_lpfc_use_adisc, |
| 531 | &class_device_attr_lpfc_ack0, |
| 532 | &class_device_attr_lpfc_topology, |
| 533 | &class_device_attr_lpfc_scan_down, |
| 534 | &class_device_attr_lpfc_link_speed, |
| 535 | &class_device_attr_lpfc_fdmi_on, |
| 536 | &class_device_attr_lpfc_max_luns, |
| 537 | &class_device_attr_nport_evt_cnt, |
| 538 | &class_device_attr_management_version, |
| 539 | &class_device_attr_issue_lip, |
| 540 | &class_device_attr_board_online, |
| 541 | NULL, |
| 542 | }; |
| 543 | |
| 544 | static ssize_t |
| 545 | sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count) |
| 546 | { |
| 547 | size_t buf_off; |
| 548 | struct Scsi_Host *host = class_to_shost(container_of(kobj, |
| 549 | struct class_device, kobj)); |
| 550 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 551 | |
| 552 | if ((off + count) > FF_REG_AREA_SIZE) |
| 553 | return -ERANGE; |
| 554 | |
| 555 | if (count == 0) return 0; |
| 556 | |
| 557 | if (off % 4 || count % 4 || (unsigned long)buf % 4) |
| 558 | return -EINVAL; |
| 559 | |
| 560 | spin_lock_irq(phba->host->host_lock); |
| 561 | |
| 562 | if (!(phba->fc_flag & FC_OFFLINE_MODE)) { |
| 563 | spin_unlock_irq(phba->host->host_lock); |
| 564 | return -EPERM; |
| 565 | } |
| 566 | |
| 567 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) |
| 568 | writel(*((uint32_t *)(buf + buf_off)), |
| 569 | phba->ctrl_regs_memmap_p + off + buf_off); |
| 570 | |
| 571 | spin_unlock_irq(phba->host->host_lock); |
| 572 | |
| 573 | return count; |
| 574 | } |
| 575 | |
| 576 | static ssize_t |
| 577 | sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count) |
| 578 | { |
| 579 | size_t buf_off; |
| 580 | uint32_t * tmp_ptr; |
| 581 | struct Scsi_Host *host = class_to_shost(container_of(kobj, |
| 582 | struct class_device, kobj)); |
| 583 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 584 | |
| 585 | if (off > FF_REG_AREA_SIZE) |
| 586 | return -ERANGE; |
| 587 | |
| 588 | if ((off + count) > FF_REG_AREA_SIZE) |
| 589 | count = FF_REG_AREA_SIZE - off; |
| 590 | |
| 591 | if (count == 0) return 0; |
| 592 | |
| 593 | if (off % 4 || count % 4 || (unsigned long)buf % 4) |
| 594 | return -EINVAL; |
| 595 | |
| 596 | spin_lock_irq(phba->host->host_lock); |
| 597 | |
| 598 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { |
| 599 | tmp_ptr = (uint32_t *)(buf + buf_off); |
| 600 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); |
| 601 | } |
| 602 | |
| 603 | spin_unlock_irq(phba->host->host_lock); |
| 604 | |
| 605 | return count; |
| 606 | } |
| 607 | |
| 608 | static struct bin_attribute sysfs_ctlreg_attr = { |
| 609 | .attr = { |
| 610 | .name = "ctlreg", |
| 611 | .mode = S_IRUSR | S_IWUSR, |
| 612 | .owner = THIS_MODULE, |
| 613 | }, |
| 614 | .size = 256, |
| 615 | .read = sysfs_ctlreg_read, |
| 616 | .write = sysfs_ctlreg_write, |
| 617 | }; |
| 618 | |
| 619 | |
| 620 | static void |
| 621 | sysfs_mbox_idle (struct lpfc_hba * phba) |
| 622 | { |
| 623 | phba->sysfs_mbox.state = SMBOX_IDLE; |
| 624 | phba->sysfs_mbox.offset = 0; |
| 625 | |
| 626 | if (phba->sysfs_mbox.mbox) { |
| 627 | mempool_free(phba->sysfs_mbox.mbox, |
| 628 | phba->mbox_mem_pool); |
| 629 | phba->sysfs_mbox.mbox = NULL; |
| 630 | } |
| 631 | } |
| 632 | |
| 633 | static ssize_t |
| 634 | sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count) |
| 635 | { |
| 636 | struct Scsi_Host * host = |
| 637 | class_to_shost(container_of(kobj, struct class_device, kobj)); |
| 638 | struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata[0]; |
| 639 | struct lpfcMboxq * mbox = NULL; |
| 640 | |
| 641 | if ((count + off) > MAILBOX_CMD_SIZE) |
| 642 | return -ERANGE; |
| 643 | |
| 644 | if (off % 4 || count % 4 || (unsigned long)buf % 4) |
| 645 | return -EINVAL; |
| 646 | |
| 647 | if (count == 0) |
| 648 | return 0; |
| 649 | |
| 650 | if (off == 0) { |
| 651 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 652 | if (!mbox) |
| 653 | return -ENOMEM; |
| 654 | |
| 655 | } |
| 656 | |
| 657 | spin_lock_irq(host->host_lock); |
| 658 | |
| 659 | if (off == 0) { |
| 660 | if (phba->sysfs_mbox.mbox) |
| 661 | mempool_free(mbox, phba->mbox_mem_pool); |
| 662 | else |
| 663 | phba->sysfs_mbox.mbox = mbox; |
| 664 | phba->sysfs_mbox.state = SMBOX_WRITING; |
| 665 | } else { |
| 666 | if (phba->sysfs_mbox.state != SMBOX_WRITING || |
| 667 | phba->sysfs_mbox.offset != off || |
| 668 | phba->sysfs_mbox.mbox == NULL ) { |
| 669 | sysfs_mbox_idle(phba); |
| 670 | spin_unlock_irq(host->host_lock); |
| 671 | return -EINVAL; |
| 672 | } |
| 673 | } |
| 674 | |
| 675 | memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off, |
| 676 | buf, count); |
| 677 | |
| 678 | phba->sysfs_mbox.offset = off + count; |
| 679 | |
| 680 | spin_unlock_irq(host->host_lock); |
| 681 | |
| 682 | return count; |
| 683 | } |
| 684 | |
| 685 | static ssize_t |
| 686 | sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count) |
| 687 | { |
| 688 | struct Scsi_Host *host = |
| 689 | class_to_shost(container_of(kobj, struct class_device, |
| 690 | kobj)); |
| 691 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| 692 | int rc; |
| 693 | |
| 694 | if (off > sizeof(MAILBOX_t)) |
| 695 | return -ERANGE; |
| 696 | |
| 697 | if ((count + off) > sizeof(MAILBOX_t)) |
| 698 | count = sizeof(MAILBOX_t) - off; |
| 699 | |
| 700 | if (off % 4 || count % 4 || (unsigned long)buf % 4) |
| 701 | return -EINVAL; |
| 702 | |
| 703 | if (off && count == 0) |
| 704 | return 0; |
| 705 | |
| 706 | spin_lock_irq(phba->host->host_lock); |
| 707 | |
| 708 | if (off == 0 && |
| 709 | phba->sysfs_mbox.state == SMBOX_WRITING && |
| 710 | phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { |
| 711 | |
| 712 | switch (phba->sysfs_mbox.mbox->mb.mbxCommand) { |
| 713 | /* Offline only */ |
| 714 | case MBX_WRITE_NV: |
| 715 | case MBX_INIT_LINK: |
| 716 | case MBX_DOWN_LINK: |
| 717 | case MBX_CONFIG_LINK: |
| 718 | case MBX_CONFIG_RING: |
| 719 | case MBX_RESET_RING: |
| 720 | case MBX_UNREG_LOGIN: |
| 721 | case MBX_CLEAR_LA: |
| 722 | case MBX_DUMP_CONTEXT: |
| 723 | case MBX_RUN_DIAGS: |
| 724 | case MBX_RESTART: |
| 725 | case MBX_FLASH_WR_ULA: |
| 726 | case MBX_SET_MASK: |
| 727 | case MBX_SET_SLIM: |
| 728 | case MBX_SET_DEBUG: |
| 729 | if (!(phba->fc_flag & FC_OFFLINE_MODE)) { |
| 730 | printk(KERN_WARNING "mbox_read:Command 0x%x " |
| 731 | "is illegal in on-line state\n", |
| 732 | phba->sysfs_mbox.mbox->mb.mbxCommand); |
| 733 | sysfs_mbox_idle(phba); |
| 734 | spin_unlock_irq(phba->host->host_lock); |
| 735 | return -EPERM; |
| 736 | } |
| 737 | case MBX_LOAD_SM: |
| 738 | case MBX_READ_NV: |
| 739 | case MBX_READ_CONFIG: |
| 740 | case MBX_READ_RCONFIG: |
| 741 | case MBX_READ_STATUS: |
| 742 | case MBX_READ_XRI: |
| 743 | case MBX_READ_REV: |
| 744 | case MBX_READ_LNK_STAT: |
| 745 | case MBX_DUMP_MEMORY: |
| 746 | case MBX_DOWN_LOAD: |
| 747 | case MBX_UPDATE_CFG: |
| 748 | case MBX_LOAD_AREA: |
| 749 | case MBX_LOAD_EXP_ROM: |
| 750 | break; |
| 751 | case MBX_READ_SPARM64: |
| 752 | case MBX_READ_LA: |
| 753 | case MBX_READ_LA64: |
| 754 | case MBX_REG_LOGIN: |
| 755 | case MBX_REG_LOGIN64: |
| 756 | case MBX_CONFIG_PORT: |
| 757 | case MBX_RUN_BIU_DIAG: |
| 758 | printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", |
| 759 | phba->sysfs_mbox.mbox->mb.mbxCommand); |
| 760 | sysfs_mbox_idle(phba); |
| 761 | spin_unlock_irq(phba->host->host_lock); |
| 762 | return -EPERM; |
| 763 | default: |
| 764 | printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", |
| 765 | phba->sysfs_mbox.mbox->mb.mbxCommand); |
| 766 | sysfs_mbox_idle(phba); |
| 767 | spin_unlock_irq(phba->host->host_lock); |
| 768 | return -EPERM; |
| 769 | } |
| 770 | |
| 771 | if ((phba->fc_flag & FC_OFFLINE_MODE) || |
| 772 | (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){ |
| 773 | |
| 774 | spin_unlock_irq(phba->host->host_lock); |
| 775 | rc = lpfc_sli_issue_mbox (phba, |
| 776 | phba->sysfs_mbox.mbox, |
| 777 | MBX_POLL); |
| 778 | spin_lock_irq(phba->host->host_lock); |
| 779 | |
| 780 | } else { |
| 781 | spin_unlock_irq(phba->host->host_lock); |
| 782 | rc = lpfc_sli_issue_mbox_wait (phba, |
| 783 | phba->sysfs_mbox.mbox, |
| 784 | phba->fc_ratov * 2); |
| 785 | spin_lock_irq(phba->host->host_lock); |
| 786 | } |
| 787 | |
| 788 | if (rc != MBX_SUCCESS) { |
| 789 | sysfs_mbox_idle(phba); |
| 790 | spin_unlock_irq(host->host_lock); |
| 791 | return -ENODEV; |
| 792 | } |
| 793 | phba->sysfs_mbox.state = SMBOX_READING; |
| 794 | } |
| 795 | else if (phba->sysfs_mbox.offset != off || |
| 796 | phba->sysfs_mbox.state != SMBOX_READING) { |
| 797 | printk(KERN_WARNING "mbox_read: Bad State\n"); |
| 798 | sysfs_mbox_idle(phba); |
| 799 | spin_unlock_irq(host->host_lock); |
| 800 | return -EINVAL; |
| 801 | } |
| 802 | |
| 803 | memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count); |
| 804 | |
| 805 | phba->sysfs_mbox.offset = off + count; |
| 806 | |
| 807 | if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t)) |
| 808 | sysfs_mbox_idle(phba); |
| 809 | |
| 810 | spin_unlock_irq(phba->host->host_lock); |
| 811 | |
| 812 | return count; |
| 813 | } |
| 814 | |
| 815 | static struct bin_attribute sysfs_mbox_attr = { |
| 816 | .attr = { |
| 817 | .name = "mbox", |
| 818 | .mode = S_IRUSR | S_IWUSR, |
| 819 | .owner = THIS_MODULE, |
| 820 | }, |
| 821 | .size = sizeof(MAILBOX_t), |
| 822 | .read = sysfs_mbox_read, |
| 823 | .write = sysfs_mbox_write, |
| 824 | }; |
| 825 | |
| 826 | int |
| 827 | lpfc_alloc_sysfs_attr(struct lpfc_hba *phba) |
| 828 | { |
| 829 | struct Scsi_Host *host = phba->host; |
| 830 | int error; |
| 831 | |
| 832 | error = sysfs_create_bin_file(&host->shost_classdev.kobj, |
| 833 | &sysfs_ctlreg_attr); |
| 834 | if (error) |
| 835 | goto out; |
| 836 | |
| 837 | error = sysfs_create_bin_file(&host->shost_classdev.kobj, |
| 838 | &sysfs_mbox_attr); |
| 839 | if (error) |
| 840 | goto out_remove_ctlreg_attr; |
| 841 | |
| 842 | return 0; |
| 843 | out_remove_ctlreg_attr: |
| 844 | sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr); |
| 845 | out: |
| 846 | return error; |
| 847 | } |
| 848 | |
| 849 | void |
| 850 | lpfc_free_sysfs_attr(struct lpfc_hba *phba) |
| 851 | { |
| 852 | struct Scsi_Host *host = phba->host; |
| 853 | |
| 854 | sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr); |
| 855 | sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr); |
| 856 | } |
| 857 | |
| 858 | |
| 859 | /* |
| 860 | * Dynamic FC Host Attributes Support |
| 861 | */ |
| 862 | |
| 863 | static void |
| 864 | lpfc_get_host_port_id(struct Scsi_Host *shost) |
| 865 | { |
| 866 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; |
| 867 | /* note: fc_myDID already in cpu endianness */ |
| 868 | fc_host_port_id(shost) = phba->fc_myDID; |
| 869 | } |
| 870 | |
| 871 | static void |
| 872 | lpfc_get_host_port_type(struct Scsi_Host *shost) |
| 873 | { |
| 874 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; |
| 875 | |
| 876 | spin_lock_irq(shost->host_lock); |
| 877 | |
| 878 | if (phba->hba_state == LPFC_HBA_READY) { |
| 879 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 880 | if (phba->fc_flag & FC_PUBLIC_LOOP) |
| 881 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
| 882 | else |
| 883 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; |
| 884 | } else { |
| 885 | if (phba->fc_flag & FC_FABRIC) |
| 886 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
| 887 | else |
| 888 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; |
| 889 | } |
| 890 | } else |
| 891 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; |
| 892 | |
| 893 | spin_unlock_irq(shost->host_lock); |
| 894 | } |
| 895 | |
| 896 | static void |
| 897 | lpfc_get_host_port_state(struct Scsi_Host *shost) |
| 898 | { |
| 899 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; |
| 900 | |
| 901 | spin_lock_irq(shost->host_lock); |
| 902 | |
| 903 | if (phba->fc_flag & FC_OFFLINE_MODE) |
| 904 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
| 905 | else { |
| 906 | switch (phba->hba_state) { |
| 907 | case LPFC_INIT_START: |
| 908 | case LPFC_INIT_MBX_CMDS: |
| 909 | case LPFC_LINK_DOWN: |
| 910 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; |
| 911 | break; |
| 912 | case LPFC_LINK_UP: |
| 913 | case LPFC_LOCAL_CFG_LINK: |
| 914 | case LPFC_FLOGI: |
| 915 | case LPFC_FABRIC_CFG_LINK: |
| 916 | case LPFC_NS_REG: |
| 917 | case LPFC_NS_QRY: |
| 918 | case LPFC_BUILD_DISC_LIST: |
| 919 | case LPFC_DISC_AUTH: |
| 920 | case LPFC_CLEAR_LA: |
| 921 | case LPFC_HBA_READY: |
| 922 | /* Links up, beyond this port_type reports state */ |
| 923 | fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; |
| 924 | break; |
| 925 | case LPFC_HBA_ERROR: |
| 926 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; |
| 927 | break; |
| 928 | default: |
| 929 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; |
| 930 | break; |
| 931 | } |
| 932 | } |
| 933 | |
| 934 | spin_unlock_irq(shost->host_lock); |
| 935 | } |
| 936 | |
| 937 | static void |
| 938 | lpfc_get_host_speed(struct Scsi_Host *shost) |
| 939 | { |
| 940 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; |
| 941 | |
| 942 | spin_lock_irq(shost->host_lock); |
| 943 | |
| 944 | if (phba->hba_state == LPFC_HBA_READY) { |
| 945 | switch(phba->fc_linkspeed) { |
| 946 | case LA_1GHZ_LINK: |
| 947 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; |
| 948 | break; |
| 949 | case LA_2GHZ_LINK: |
| 950 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; |
| 951 | break; |
| 952 | case LA_4GHZ_LINK: |
| 953 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; |
| 954 | break; |
| 955 | default: |
| 956 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; |
| 957 | break; |
| 958 | } |
| 959 | } |
| 960 | |
| 961 | spin_unlock_irq(shost->host_lock); |
| 962 | } |
| 963 | |
| 964 | static void |
| 965 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) |
| 966 | { |
| 967 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; |
| 968 | u64 nodename; |
| 969 | |
| 970 | spin_lock_irq(shost->host_lock); |
| 971 | |
| 972 | if ((phba->fc_flag & FC_FABRIC) || |
| 973 | ((phba->fc_topology == TOPOLOGY_LOOP) && |
| 974 | (phba->fc_flag & FC_PUBLIC_LOOP))) |
| 975 | memcpy(&nodename, &phba->fc_fabparam.nodeName, sizeof(u64)); |
| 976 | else |
| 977 | /* fabric is local port if there is no F/FL_Port */ |
| 978 | memcpy(&nodename, &phba->fc_nodename, sizeof(u64)); |
| 979 | |
| 980 | spin_unlock_irq(shost->host_lock); |
| 981 | |
| 982 | fc_host_fabric_name(shost) = be64_to_cpu(nodename); |
| 983 | } |
| 984 | |
| 985 | |
| 986 | static struct fc_host_statistics * |
| 987 | lpfc_get_stats(struct Scsi_Host *shost) |
| 988 | { |
| 989 | struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0]; |
| 990 | struct lpfc_sli *psli = &phba->sli; |
James.Smart@Emulex.Com | f888ba3 | 2005-08-10 15:03:01 -0400 | [diff] [blame] | 991 | struct fc_host_statistics *hs = &phba->link_stats; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 992 | LPFC_MBOXQ_t *pmboxq; |
| 993 | MAILBOX_t *pmb; |
| 994 | int rc=0; |
| 995 | |
| 996 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 997 | if (!pmboxq) |
| 998 | return NULL; |
| 999 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
| 1000 | |
| 1001 | pmb = &pmboxq->mb; |
| 1002 | pmb->mbxCommand = MBX_READ_STATUS; |
| 1003 | pmb->mbxOwner = OWN_HOST; |
| 1004 | pmboxq->context1 = NULL; |
| 1005 | |
| 1006 | if ((phba->fc_flag & FC_OFFLINE_MODE) || |
| 1007 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))){ |
| 1008 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
| 1009 | } else |
| 1010 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
| 1011 | |
| 1012 | if (rc != MBX_SUCCESS) { |
| 1013 | if (pmboxq) { |
| 1014 | if (rc == MBX_TIMEOUT) |
| 1015 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 1016 | else |
| 1017 | mempool_free( pmboxq, phba->mbox_mem_pool); |
| 1018 | } |
| 1019 | return NULL; |
| 1020 | } |
| 1021 | |
James.Smart@Emulex.Com | f888ba3 | 2005-08-10 15:03:01 -0400 | [diff] [blame] | 1022 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
| 1023 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1024 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
| 1025 | hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); |
| 1026 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; |
| 1027 | hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); |
| 1028 | |
| 1029 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
| 1030 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
| 1031 | pmb->mbxOwner = OWN_HOST; |
| 1032 | pmboxq->context1 = NULL; |
| 1033 | |
| 1034 | if ((phba->fc_flag & FC_OFFLINE_MODE) || |
| 1035 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) { |
| 1036 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
| 1037 | } else |
| 1038 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
| 1039 | |
| 1040 | if (rc != MBX_SUCCESS) { |
| 1041 | if (pmboxq) { |
| 1042 | if (rc == MBX_TIMEOUT) |
| 1043 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 1044 | else |
| 1045 | mempool_free( pmboxq, phba->mbox_mem_pool); |
| 1046 | } |
| 1047 | return NULL; |
| 1048 | } |
| 1049 | |
| 1050 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; |
| 1051 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; |
| 1052 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; |
| 1053 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; |
| 1054 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; |
| 1055 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; |
| 1056 | hs->error_frames = pmb->un.varRdLnk.crcCnt; |
| 1057 | |
| 1058 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 1059 | hs->lip_count = (phba->fc_eventTag >> 1); |
| 1060 | hs->nos_count = -1; |
| 1061 | } else { |
| 1062 | hs->lip_count = -1; |
| 1063 | hs->nos_count = (phba->fc_eventTag >> 1); |
| 1064 | } |
| 1065 | |
| 1066 | hs->dumped_frames = -1; |
| 1067 | |
| 1068 | /* FIX ME */ |
| 1069 | /*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/ |
| 1070 | |
| 1071 | return hs; |
| 1072 | } |
| 1073 | |
| 1074 | |
| 1075 | /* |
| 1076 | * The LPFC driver treats linkdown handling as target loss events so there |
| 1077 | * are no sysfs handlers for link_down_tmo. |
| 1078 | */ |
| 1079 | static void |
| 1080 | lpfc_get_starget_port_id(struct scsi_target *starget) |
| 1081 | { |
| 1082 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
| 1083 | struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0]; |
| 1084 | uint32_t did = -1; |
| 1085 | struct lpfc_nodelist *ndlp = NULL; |
| 1086 | |
| 1087 | spin_lock_irq(shost->host_lock); |
| 1088 | /* Search the mapped list for this target ID */ |
| 1089 | list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { |
| 1090 | if (starget->id == ndlp->nlp_sid) { |
| 1091 | did = ndlp->nlp_DID; |
| 1092 | break; |
| 1093 | } |
| 1094 | } |
| 1095 | spin_unlock_irq(shost->host_lock); |
| 1096 | |
| 1097 | fc_starget_port_id(starget) = did; |
| 1098 | } |
| 1099 | |
| 1100 | static void |
| 1101 | lpfc_get_starget_node_name(struct scsi_target *starget) |
| 1102 | { |
| 1103 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
| 1104 | struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0]; |
| 1105 | uint64_t node_name = 0; |
| 1106 | struct lpfc_nodelist *ndlp = NULL; |
| 1107 | |
| 1108 | spin_lock_irq(shost->host_lock); |
| 1109 | /* Search the mapped list for this target ID */ |
| 1110 | list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { |
| 1111 | if (starget->id == ndlp->nlp_sid) { |
| 1112 | memcpy(&node_name, &ndlp->nlp_nodename, |
| 1113 | sizeof(struct lpfc_name)); |
| 1114 | break; |
| 1115 | } |
| 1116 | } |
| 1117 | spin_unlock_irq(shost->host_lock); |
| 1118 | |
| 1119 | fc_starget_node_name(starget) = be64_to_cpu(node_name); |
| 1120 | } |
| 1121 | |
| 1122 | static void |
| 1123 | lpfc_get_starget_port_name(struct scsi_target *starget) |
| 1124 | { |
| 1125 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
| 1126 | struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0]; |
| 1127 | uint64_t port_name = 0; |
| 1128 | struct lpfc_nodelist *ndlp = NULL; |
| 1129 | |
| 1130 | spin_lock_irq(shost->host_lock); |
| 1131 | /* Search the mapped list for this target ID */ |
| 1132 | list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { |
| 1133 | if (starget->id == ndlp->nlp_sid) { |
| 1134 | memcpy(&port_name, &ndlp->nlp_portname, |
| 1135 | sizeof(struct lpfc_name)); |
| 1136 | break; |
| 1137 | } |
| 1138 | } |
| 1139 | spin_unlock_irq(shost->host_lock); |
| 1140 | |
| 1141 | fc_starget_port_name(starget) = be64_to_cpu(port_name); |
| 1142 | } |
| 1143 | |
| 1144 | static void |
| 1145 | lpfc_get_rport_loss_tmo(struct fc_rport *rport) |
| 1146 | { |
| 1147 | /* |
| 1148 | * Return the driver's global value for device loss timeout plus |
| 1149 | * five seconds to allow the driver's nodev timer to run. |
| 1150 | */ |
| 1151 | rport->dev_loss_tmo = lpfc_nodev_tmo + 5; |
| 1152 | } |
| 1153 | |
| 1154 | static void |
| 1155 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) |
| 1156 | { |
| 1157 | /* |
| 1158 | * The driver doesn't have a per-target timeout setting. Set |
| 1159 | * this value globally. lpfc_nodev_tmo should be greater then 0. |
| 1160 | */ |
| 1161 | if (timeout) |
| 1162 | lpfc_nodev_tmo = timeout; |
| 1163 | else |
| 1164 | lpfc_nodev_tmo = 1; |
| 1165 | rport->dev_loss_tmo = lpfc_nodev_tmo + 5; |
| 1166 | } |
| 1167 | |
| 1168 | |
| 1169 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ |
| 1170 | static ssize_t \ |
| 1171 | lpfc_show_rport_##field (struct class_device *cdev, char *buf) \ |
| 1172 | { \ |
| 1173 | struct fc_rport *rport = transport_class_to_rport(cdev); \ |
| 1174 | struct lpfc_rport_data *rdata = rport->hostdata; \ |
| 1175 | return snprintf(buf, sz, format_string, \ |
| 1176 | (rdata->target) ? cast rdata->target->field : 0); \ |
| 1177 | } |
| 1178 | |
| 1179 | #define lpfc_rport_rd_attr(field, format_string, sz) \ |
| 1180 | lpfc_rport_show_function(field, format_string, sz, ) \ |
| 1181 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) |
| 1182 | |
| 1183 | |
| 1184 | struct fc_function_template lpfc_transport_functions = { |
| 1185 | /* fixed attributes the driver supports */ |
| 1186 | .show_host_node_name = 1, |
| 1187 | .show_host_port_name = 1, |
| 1188 | .show_host_supported_classes = 1, |
| 1189 | .show_host_supported_fc4s = 1, |
| 1190 | .show_host_symbolic_name = 1, |
| 1191 | .show_host_supported_speeds = 1, |
| 1192 | .show_host_maxframe_size = 1, |
| 1193 | |
| 1194 | /* dynamic attributes the driver supports */ |
| 1195 | .get_host_port_id = lpfc_get_host_port_id, |
| 1196 | .show_host_port_id = 1, |
| 1197 | |
| 1198 | .get_host_port_type = lpfc_get_host_port_type, |
| 1199 | .show_host_port_type = 1, |
| 1200 | |
| 1201 | .get_host_port_state = lpfc_get_host_port_state, |
| 1202 | .show_host_port_state = 1, |
| 1203 | |
| 1204 | /* active_fc4s is shown but doesn't change (thus no get function) */ |
| 1205 | .show_host_active_fc4s = 1, |
| 1206 | |
| 1207 | .get_host_speed = lpfc_get_host_speed, |
| 1208 | .show_host_speed = 1, |
| 1209 | |
| 1210 | .get_host_fabric_name = lpfc_get_host_fabric_name, |
| 1211 | .show_host_fabric_name = 1, |
| 1212 | |
| 1213 | /* |
| 1214 | * The LPFC driver treats linkdown handling as target loss events |
| 1215 | * so there are no sysfs handlers for link_down_tmo. |
| 1216 | */ |
| 1217 | |
| 1218 | .get_fc_host_stats = lpfc_get_stats, |
| 1219 | |
| 1220 | /* the LPFC driver doesn't support resetting stats yet */ |
| 1221 | |
| 1222 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), |
| 1223 | .show_rport_maxframe_size = 1, |
| 1224 | .show_rport_supported_classes = 1, |
| 1225 | |
| 1226 | .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo, |
| 1227 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
| 1228 | .show_rport_dev_loss_tmo = 1, |
| 1229 | |
| 1230 | .get_starget_port_id = lpfc_get_starget_port_id, |
| 1231 | .show_starget_port_id = 1, |
| 1232 | |
| 1233 | .get_starget_node_name = lpfc_get_starget_node_name, |
| 1234 | .show_starget_node_name = 1, |
| 1235 | |
| 1236 | .get_starget_port_name = lpfc_get_starget_port_name, |
| 1237 | .show_starget_port_name = 1, |
| 1238 | }; |
| 1239 | |
| 1240 | void |
| 1241 | lpfc_get_cfgparam(struct lpfc_hba *phba) |
| 1242 | { |
| 1243 | phba->cfg_log_verbose = lpfc_log_verbose; |
| 1244 | phba->cfg_cr_delay = lpfc_cr_delay; |
| 1245 | phba->cfg_cr_count = lpfc_cr_count; |
| 1246 | phba->cfg_lun_queue_depth = lpfc_lun_queue_depth; |
| 1247 | phba->cfg_fcp_class = lpfc_fcp_class; |
| 1248 | phba->cfg_use_adisc = lpfc_use_adisc; |
| 1249 | phba->cfg_ack0 = lpfc_ack0; |
| 1250 | phba->cfg_topology = lpfc_topology; |
| 1251 | phba->cfg_scan_down = lpfc_scan_down; |
| 1252 | phba->cfg_nodev_tmo = lpfc_nodev_tmo; |
| 1253 | phba->cfg_link_speed = lpfc_link_speed; |
| 1254 | phba->cfg_fdmi_on = lpfc_fdmi_on; |
| 1255 | phba->cfg_discovery_threads = lpfc_discovery_threads; |
| 1256 | phba->cfg_max_luns = lpfc_max_luns; |
| 1257 | |
| 1258 | /* |
| 1259 | * The total number of segments is the configuration value plus 2 |
| 1260 | * since the IOCB need a command and response bde. |
| 1261 | */ |
| 1262 | phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2; |
| 1263 | |
| 1264 | /* |
| 1265 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size |
| 1266 | * used to create the sg_dma_buf_pool must be dynamically calculated |
| 1267 | */ |
| 1268 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + |
| 1269 | sizeof(struct fcp_rsp) + |
| 1270 | (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64)); |
| 1271 | |
| 1272 | switch (phba->pcidev->device) { |
| 1273 | case PCI_DEVICE_ID_LP101: |
| 1274 | case PCI_DEVICE_ID_BSMB: |
| 1275 | case PCI_DEVICE_ID_ZSMB: |
| 1276 | phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH; |
| 1277 | break; |
| 1278 | case PCI_DEVICE_ID_RFLY: |
| 1279 | case PCI_DEVICE_ID_PFLY: |
| 1280 | case PCI_DEVICE_ID_BMID: |
| 1281 | case PCI_DEVICE_ID_ZMID: |
| 1282 | case PCI_DEVICE_ID_TFLY: |
| 1283 | phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH; |
| 1284 | break; |
| 1285 | default: |
| 1286 | phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH; |
| 1287 | } |
| 1288 | return; |
| 1289 | } |