Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /*************************************************************************** |
| 2 | dpti.c - description |
| 3 | ------------------- |
| 4 | begin : Thu Sep 7 2000 |
| 5 | copyright : (C) 2000 by Adaptec |
| 6 | |
| 7 | July 30, 2001 First version being submitted |
| 8 | for inclusion in the kernel. V2.4 |
| 9 | |
| 10 | See Documentation/scsi/dpti.txt for history, notes, license info |
| 11 | and credits |
| 12 | ***************************************************************************/ |
| 13 | |
| 14 | /*************************************************************************** |
| 15 | * * |
| 16 | * This program is free software; you can redistribute it and/or modify * |
| 17 | * it under the terms of the GNU General Public License as published by * |
| 18 | * the Free Software Foundation; either version 2 of the License, or * |
| 19 | * (at your option) any later version. * |
| 20 | * * |
| 21 | ***************************************************************************/ |
| 22 | /*************************************************************************** |
| 23 | * Sat Dec 20 2003 Go Taniguchi <go@turbolinux.co.jp> |
| 24 | - Support 2.6 kernel and DMA-mapping |
| 25 | - ioctl fix for raid tools |
| 26 | - use schedule_timeout in long long loop |
| 27 | **************************************************************************/ |
| 28 | |
| 29 | /*#define DEBUG 1 */ |
| 30 | /*#define UARTDELAY 1 */ |
| 31 | |
| 32 | /* On the real kernel ADDR32 should always be zero for 2.4. GFP_HIGH allocates |
| 33 | high pages. Keep the macro around because of the broken unmerged ia64 tree */ |
| 34 | |
| 35 | #define ADDR32 (0) |
| 36 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | #include <linux/module.h> |
| 38 | |
| 39 | MODULE_AUTHOR("Deanna Bonds, with _lots_ of help from Mark Salyzyn"); |
| 40 | MODULE_DESCRIPTION("Adaptec I2O RAID Driver"); |
| 41 | |
| 42 | //////////////////////////////////////////////////////////////// |
| 43 | |
| 44 | #include <linux/ioctl.h> /* For SCSI-Passthrough */ |
| 45 | #include <asm/uaccess.h> |
| 46 | |
| 47 | #include <linux/stat.h> |
| 48 | #include <linux/slab.h> /* for kmalloc() */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | #include <linux/pci.h> /* for PCI support */ |
| 50 | #include <linux/proc_fs.h> |
| 51 | #include <linux/blkdev.h> |
| 52 | #include <linux/delay.h> /* for udelay */ |
| 53 | #include <linux/interrupt.h> |
| 54 | #include <linux/kernel.h> /* for printk */ |
| 55 | #include <linux/sched.h> |
| 56 | #include <linux/reboot.h> |
| 57 | #include <linux/spinlock.h> |
| 58 | #include <linux/smp_lock.h> |
Matthias Gehre | 910638a | 2006-03-28 01:56:48 -0800 | [diff] [blame] | 59 | #include <linux/dma-mapping.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | |
| 61 | #include <linux/timer.h> |
| 62 | #include <linux/string.h> |
| 63 | #include <linux/ioport.h> |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 64 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | |
| 66 | #include <asm/processor.h> /* for boot_cpu_data */ |
| 67 | #include <asm/pgtable.h> |
| 68 | #include <asm/io.h> /* for virt_to_bus, etc. */ |
| 69 | |
| 70 | #include <scsi/scsi.h> |
| 71 | #include <scsi/scsi_cmnd.h> |
| 72 | #include <scsi/scsi_device.h> |
| 73 | #include <scsi/scsi_host.h> |
| 74 | #include <scsi/scsi_tcq.h> |
| 75 | |
| 76 | #include "dpt/dptsig.h" |
| 77 | #include "dpti.h" |
| 78 | |
| 79 | /*============================================================================ |
| 80 | * Create a binary signature - this is read by dptsig |
| 81 | * Needed for our management apps |
| 82 | *============================================================================ |
| 83 | */ |
| 84 | static dpt_sig_S DPTI_sig = { |
| 85 | {'d', 'P', 't', 'S', 'i', 'G'}, SIG_VERSION, |
| 86 | #ifdef __i386__ |
| 87 | PROC_INTEL, PROC_386 | PROC_486 | PROC_PENTIUM | PROC_SEXIUM, |
| 88 | #elif defined(__ia64__) |
| 89 | PROC_INTEL, PROC_IA64, |
| 90 | #elif defined(__sparc__) |
| 91 | PROC_ULTRASPARC, PROC_ULTRASPARC, |
| 92 | #elif defined(__alpha__) |
| 93 | PROC_ALPHA, PROC_ALPHA, |
| 94 | #else |
| 95 | (-1),(-1), |
| 96 | #endif |
| 97 | FT_HBADRVR, 0, OEM_DPT, OS_LINUX, CAP_OVERLAP, DEV_ALL, |
| 98 | ADF_ALL_SC5, 0, 0, DPT_VERSION, DPT_REVISION, DPT_SUBREVISION, |
| 99 | DPT_MONTH, DPT_DAY, DPT_YEAR, "Adaptec Linux I2O RAID Driver" |
| 100 | }; |
| 101 | |
| 102 | |
| 103 | |
| 104 | |
| 105 | /*============================================================================ |
| 106 | * Globals |
| 107 | *============================================================================ |
| 108 | */ |
| 109 | |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 110 | static DEFINE_MUTEX(adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | |
| 112 | static struct i2o_sys_tbl *sys_tbl = NULL; |
| 113 | static int sys_tbl_ind = 0; |
| 114 | static int sys_tbl_len = 0; |
| 115 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | static adpt_hba* hba_chain = NULL; |
| 117 | static int hba_count = 0; |
| 118 | |
Arjan van de Ven | 00977a5 | 2007-02-12 00:55:34 -0800 | [diff] [blame] | 119 | static const struct file_operations adpt_fops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | .ioctl = adpt_ioctl, |
| 121 | .open = adpt_open, |
| 122 | .release = adpt_close |
| 123 | }; |
| 124 | |
| 125 | #ifdef REBOOT_NOTIFIER |
| 126 | static struct notifier_block adpt_reboot_notifier = |
| 127 | { |
| 128 | adpt_reboot_event, |
| 129 | NULL, |
| 130 | 0 |
| 131 | }; |
| 132 | #endif |
| 133 | |
| 134 | /* Structures and definitions for synchronous message posting. |
| 135 | * See adpt_i2o_post_wait() for description |
| 136 | * */ |
| 137 | struct adpt_i2o_post_wait_data |
| 138 | { |
| 139 | int status; |
| 140 | u32 id; |
| 141 | adpt_wait_queue_head_t *wq; |
| 142 | struct adpt_i2o_post_wait_data *next; |
| 143 | }; |
| 144 | |
| 145 | static struct adpt_i2o_post_wait_data *adpt_post_wait_queue = NULL; |
| 146 | static u32 adpt_post_wait_id = 0; |
| 147 | static DEFINE_SPINLOCK(adpt_post_wait_lock); |
| 148 | |
| 149 | |
| 150 | /*============================================================================ |
| 151 | * Functions |
| 152 | *============================================================================ |
| 153 | */ |
| 154 | |
| 155 | static u8 adpt_read_blink_led(adpt_hba* host) |
| 156 | { |
| 157 | if(host->FwDebugBLEDflag_P != 0) { |
| 158 | if( readb(host->FwDebugBLEDflag_P) == 0xbc ){ |
| 159 | return readb(host->FwDebugBLEDvalue_P); |
| 160 | } |
| 161 | } |
| 162 | return 0; |
| 163 | } |
| 164 | |
| 165 | /*============================================================================ |
| 166 | * Scsi host template interface functions |
| 167 | *============================================================================ |
| 168 | */ |
| 169 | |
| 170 | static struct pci_device_id dptids[] = { |
| 171 | { PCI_DPT_VENDOR_ID, PCI_DPT_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, |
| 172 | { PCI_DPT_VENDOR_ID, PCI_DPT_RAPTOR_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, |
| 173 | { 0, } |
| 174 | }; |
| 175 | MODULE_DEVICE_TABLE(pci,dptids); |
| 176 | |
| 177 | static int adpt_detect(struct scsi_host_template* sht) |
| 178 | { |
| 179 | struct pci_dev *pDev = NULL; |
| 180 | adpt_hba* pHba; |
| 181 | |
| 182 | adpt_init(); |
| 183 | |
| 184 | PINFO("Detecting Adaptec I2O RAID controllers...\n"); |
| 185 | |
| 186 | /* search for all Adatpec I2O RAID cards */ |
Alan Cox | a07f353 | 2006-09-15 15:34:32 +0100 | [diff] [blame] | 187 | while ((pDev = pci_get_device( PCI_DPT_VENDOR_ID, PCI_ANY_ID, pDev))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | if(pDev->device == PCI_DPT_DEVICE_ID || |
| 189 | pDev->device == PCI_DPT_RAPTOR_DEVICE_ID){ |
| 190 | if(adpt_install_hba(sht, pDev) ){ |
| 191 | PERROR("Could not Init an I2O RAID device\n"); |
| 192 | PERROR("Will not try to detect others.\n"); |
| 193 | return hba_count-1; |
| 194 | } |
Alan Cox | a07f353 | 2006-09-15 15:34:32 +0100 | [diff] [blame] | 195 | pci_dev_get(pDev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | } |
| 197 | } |
| 198 | |
| 199 | /* In INIT state, Activate IOPs */ |
| 200 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
| 201 | // Activate does get status , init outbound, and get hrt |
| 202 | if (adpt_i2o_activate_hba(pHba) < 0) { |
| 203 | adpt_i2o_delete_hba(pHba); |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | |
| 208 | /* Active IOPs in HOLD state */ |
| 209 | |
| 210 | rebuild_sys_tab: |
| 211 | if (hba_chain == NULL) |
| 212 | return 0; |
| 213 | |
| 214 | /* |
| 215 | * If build_sys_table fails, we kill everything and bail |
| 216 | * as we can't init the IOPs w/o a system table |
| 217 | */ |
| 218 | if (adpt_i2o_build_sys_table() < 0) { |
| 219 | adpt_i2o_sys_shutdown(); |
| 220 | return 0; |
| 221 | } |
| 222 | |
| 223 | PDEBUG("HBA's in HOLD state\n"); |
| 224 | |
| 225 | /* If IOP don't get online, we need to rebuild the System table */ |
| 226 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
| 227 | if (adpt_i2o_online_hba(pHba) < 0) { |
| 228 | adpt_i2o_delete_hba(pHba); |
| 229 | goto rebuild_sys_tab; |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | /* Active IOPs now in OPERATIONAL state */ |
| 234 | PDEBUG("HBA's in OPERATIONAL state\n"); |
| 235 | |
| 236 | printk("dpti: If you have a lot of devices this could take a few minutes.\n"); |
| 237 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
| 238 | printk(KERN_INFO"%s: Reading the hardware resource table.\n", pHba->name); |
| 239 | if (adpt_i2o_lct_get(pHba) < 0){ |
| 240 | adpt_i2o_delete_hba(pHba); |
| 241 | continue; |
| 242 | } |
| 243 | |
| 244 | if (adpt_i2o_parse_lct(pHba) < 0){ |
| 245 | adpt_i2o_delete_hba(pHba); |
| 246 | continue; |
| 247 | } |
| 248 | adpt_inquiry(pHba); |
| 249 | } |
| 250 | |
| 251 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
| 252 | if( adpt_scsi_register(pHba,sht) < 0){ |
| 253 | adpt_i2o_delete_hba(pHba); |
| 254 | continue; |
| 255 | } |
| 256 | pHba->initialized = TRUE; |
| 257 | pHba->state &= ~DPTI_STATE_RESET; |
| 258 | } |
| 259 | |
| 260 | // Register our control device node |
| 261 | // nodes will need to be created in /dev to access this |
| 262 | // the nodes can not be created from within the driver |
| 263 | if (hba_count && register_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER, &adpt_fops)) { |
| 264 | adpt_i2o_sys_shutdown(); |
| 265 | return 0; |
| 266 | } |
| 267 | return hba_count; |
| 268 | } |
| 269 | |
| 270 | |
| 271 | /* |
| 272 | * scsi_unregister will be called AFTER we return. |
| 273 | */ |
| 274 | static int adpt_release(struct Scsi_Host *host) |
| 275 | { |
| 276 | adpt_hba* pHba = (adpt_hba*) host->hostdata[0]; |
| 277 | // adpt_i2o_quiesce_hba(pHba); |
| 278 | adpt_i2o_delete_hba(pHba); |
| 279 | scsi_unregister(host); |
| 280 | return 0; |
| 281 | } |
| 282 | |
| 283 | |
| 284 | static void adpt_inquiry(adpt_hba* pHba) |
| 285 | { |
| 286 | u32 msg[14]; |
| 287 | u32 *mptr; |
| 288 | u32 *lenptr; |
| 289 | int direction; |
| 290 | int scsidir; |
| 291 | u32 len; |
| 292 | u32 reqlen; |
| 293 | u8* buf; |
| 294 | u8 scb[16]; |
| 295 | s32 rcode; |
| 296 | |
| 297 | memset(msg, 0, sizeof(msg)); |
Robert P. J. Day | 5cbded5 | 2006-12-13 00:35:56 -0800 | [diff] [blame] | 298 | buf = kmalloc(80,GFP_KERNEL|ADDR32); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 299 | if(!buf){ |
| 300 | printk(KERN_ERR"%s: Could not allocate buffer\n",pHba->name); |
| 301 | return; |
| 302 | } |
| 303 | memset((void*)buf, 0, 36); |
| 304 | |
| 305 | len = 36; |
| 306 | direction = 0x00000000; |
| 307 | scsidir =0x40000000; // DATA IN (iop<--dev) |
| 308 | |
| 309 | reqlen = 14; // SINGLE SGE |
| 310 | /* Stick the headers on */ |
| 311 | msg[0] = reqlen<<16 | SGL_OFFSET_12; |
| 312 | msg[1] = (0xff<<24|HOST_TID<<12|ADAPTER_TID); |
| 313 | msg[2] = 0; |
| 314 | msg[3] = 0; |
| 315 | // Adaptec/DPT Private stuff |
| 316 | msg[4] = I2O_CMD_SCSI_EXEC|DPT_ORGANIZATION_ID<<16; |
| 317 | msg[5] = ADAPTER_TID | 1<<16 /* Interpret*/; |
| 318 | /* Direction, disconnect ok | sense data | simple queue , CDBLen */ |
| 319 | // I2O_SCB_FLAG_ENABLE_DISCONNECT | |
| 320 | // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG | |
| 321 | // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE; |
| 322 | msg[6] = scsidir|0x20a00000| 6 /* cmd len*/; |
| 323 | |
| 324 | mptr=msg+7; |
| 325 | |
| 326 | memset(scb, 0, sizeof(scb)); |
| 327 | // Write SCSI command into the message - always 16 byte block |
| 328 | scb[0] = INQUIRY; |
| 329 | scb[1] = 0; |
| 330 | scb[2] = 0; |
| 331 | scb[3] = 0; |
| 332 | scb[4] = 36; |
| 333 | scb[5] = 0; |
| 334 | // Don't care about the rest of scb |
| 335 | |
| 336 | memcpy(mptr, scb, sizeof(scb)); |
| 337 | mptr+=4; |
| 338 | lenptr=mptr++; /* Remember me - fill in when we know */ |
| 339 | |
| 340 | /* Now fill in the SGList and command */ |
| 341 | *lenptr = len; |
| 342 | *mptr++ = 0xD0000000|direction|len; |
| 343 | *mptr++ = virt_to_bus(buf); |
| 344 | |
| 345 | // Send it on it's way |
| 346 | rcode = adpt_i2o_post_wait(pHba, msg, reqlen<<2, 120); |
| 347 | if (rcode != 0) { |
| 348 | sprintf(pHba->detail, "Adaptec I2O RAID"); |
| 349 | printk(KERN_INFO "%s: Inquiry Error (%d)\n",pHba->name,rcode); |
| 350 | if (rcode != -ETIME && rcode != -EINTR) |
| 351 | kfree(buf); |
| 352 | } else { |
| 353 | memset(pHba->detail, 0, sizeof(pHba->detail)); |
| 354 | memcpy(&(pHba->detail), "Vendor: Adaptec ", 16); |
| 355 | memcpy(&(pHba->detail[16]), " Model: ", 8); |
| 356 | memcpy(&(pHba->detail[24]), (u8*) &buf[16], 16); |
| 357 | memcpy(&(pHba->detail[40]), " FW: ", 4); |
| 358 | memcpy(&(pHba->detail[44]), (u8*) &buf[32], 4); |
| 359 | pHba->detail[48] = '\0'; /* precautionary */ |
| 360 | kfree(buf); |
| 361 | } |
| 362 | adpt_i2o_status_get(pHba); |
| 363 | return ; |
| 364 | } |
| 365 | |
| 366 | |
| 367 | static int adpt_slave_configure(struct scsi_device * device) |
| 368 | { |
| 369 | struct Scsi_Host *host = device->host; |
| 370 | adpt_hba* pHba; |
| 371 | |
| 372 | pHba = (adpt_hba *) host->hostdata[0]; |
| 373 | |
| 374 | if (host->can_queue && device->tagged_supported) { |
| 375 | scsi_adjust_queue_depth(device, MSG_SIMPLE_TAG, |
| 376 | host->can_queue - 1); |
| 377 | } else { |
| 378 | scsi_adjust_queue_depth(device, 0, 1); |
| 379 | } |
| 380 | return 0; |
| 381 | } |
| 382 | |
| 383 | static int adpt_queue(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *)) |
| 384 | { |
| 385 | adpt_hba* pHba = NULL; |
| 386 | struct adpt_device* pDev = NULL; /* dpt per device information */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 387 | |
| 388 | cmd->scsi_done = done; |
| 389 | /* |
| 390 | * SCSI REQUEST_SENSE commands will be executed automatically by the |
| 391 | * Host Adapter for any errors, so they should not be executed |
| 392 | * explicitly unless the Sense Data is zero indicating that no error |
| 393 | * occurred. |
| 394 | */ |
| 395 | |
| 396 | if ((cmd->cmnd[0] == REQUEST_SENSE) && (cmd->sense_buffer[0] != 0)) { |
| 397 | cmd->result = (DID_OK << 16); |
| 398 | cmd->scsi_done(cmd); |
| 399 | return 0; |
| 400 | } |
| 401 | |
| 402 | pHba = (adpt_hba*)cmd->device->host->hostdata[0]; |
| 403 | if (!pHba) { |
| 404 | return FAILED; |
| 405 | } |
| 406 | |
| 407 | rmb(); |
| 408 | /* |
| 409 | * TODO: I need to block here if I am processing ioctl cmds |
| 410 | * but if the outstanding cmds all finish before the ioctl, |
| 411 | * the scsi-core will not know to start sending cmds to me again. |
| 412 | * I need to a way to restart the scsi-cores queues or should I block |
| 413 | * calling scsi_done on the outstanding cmds instead |
| 414 | * for now we don't set the IOCTL state |
| 415 | */ |
| 416 | if(((pHba->state) & DPTI_STATE_IOCTL) || ((pHba->state) & DPTI_STATE_RESET)) { |
| 417 | pHba->host->last_reset = jiffies; |
| 418 | pHba->host->resetting = 1; |
| 419 | return 1; |
| 420 | } |
| 421 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 422 | // TODO if the cmd->device if offline then I may need to issue a bus rescan |
| 423 | // followed by a get_lct to see if the device is there anymore |
| 424 | if((pDev = (struct adpt_device*) (cmd->device->hostdata)) == NULL) { |
| 425 | /* |
| 426 | * First command request for this device. Set up a pointer |
| 427 | * to the device structure. This should be a TEST_UNIT_READY |
| 428 | * command from scan_scsis_single. |
| 429 | */ |
| 430 | if ((pDev = adpt_find_device(pHba, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun)) == NULL) { |
| 431 | // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response |
| 432 | // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue. |
| 433 | cmd->result = (DID_NO_CONNECT << 16); |
| 434 | cmd->scsi_done(cmd); |
| 435 | return 0; |
| 436 | } |
| 437 | cmd->device->hostdata = pDev; |
| 438 | } |
| 439 | pDev->pScsi_dev = cmd->device; |
| 440 | |
| 441 | /* |
| 442 | * If we are being called from when the device is being reset, |
| 443 | * delay processing of the command until later. |
| 444 | */ |
| 445 | if (pDev->state & DPTI_DEV_RESET ) { |
| 446 | return FAILED; |
| 447 | } |
| 448 | return adpt_scsi_to_i2o(pHba, cmd, pDev); |
| 449 | } |
| 450 | |
| 451 | static int adpt_bios_param(struct scsi_device *sdev, struct block_device *dev, |
| 452 | sector_t capacity, int geom[]) |
| 453 | { |
| 454 | int heads=-1; |
| 455 | int sectors=-1; |
| 456 | int cylinders=-1; |
| 457 | |
| 458 | // *** First lets set the default geometry **** |
| 459 | |
| 460 | // If the capacity is less than ox2000 |
| 461 | if (capacity < 0x2000 ) { // floppy |
| 462 | heads = 18; |
| 463 | sectors = 2; |
| 464 | } |
| 465 | // else if between 0x2000 and 0x20000 |
| 466 | else if (capacity < 0x20000) { |
| 467 | heads = 64; |
| 468 | sectors = 32; |
| 469 | } |
| 470 | // else if between 0x20000 and 0x40000 |
| 471 | else if (capacity < 0x40000) { |
| 472 | heads = 65; |
| 473 | sectors = 63; |
| 474 | } |
| 475 | // else if between 0x4000 and 0x80000 |
| 476 | else if (capacity < 0x80000) { |
| 477 | heads = 128; |
| 478 | sectors = 63; |
| 479 | } |
| 480 | // else if greater than 0x80000 |
| 481 | else { |
| 482 | heads = 255; |
| 483 | sectors = 63; |
| 484 | } |
| 485 | cylinders = sector_div(capacity, heads * sectors); |
| 486 | |
| 487 | // Special case if CDROM |
| 488 | if(sdev->type == 5) { // CDROM |
| 489 | heads = 252; |
| 490 | sectors = 63; |
| 491 | cylinders = 1111; |
| 492 | } |
| 493 | |
| 494 | geom[0] = heads; |
| 495 | geom[1] = sectors; |
| 496 | geom[2] = cylinders; |
| 497 | |
| 498 | PDEBUG("adpt_bios_param: exit\n"); |
| 499 | return 0; |
| 500 | } |
| 501 | |
| 502 | |
| 503 | static const char *adpt_info(struct Scsi_Host *host) |
| 504 | { |
| 505 | adpt_hba* pHba; |
| 506 | |
| 507 | pHba = (adpt_hba *) host->hostdata[0]; |
| 508 | return (char *) (pHba->detail); |
| 509 | } |
| 510 | |
| 511 | static int adpt_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, |
| 512 | int length, int inout) |
| 513 | { |
| 514 | struct adpt_device* d; |
| 515 | int id; |
| 516 | int chan; |
| 517 | int len = 0; |
| 518 | int begin = 0; |
| 519 | int pos = 0; |
| 520 | adpt_hba* pHba; |
| 521 | int unit; |
| 522 | |
| 523 | *start = buffer; |
| 524 | if (inout == TRUE) { |
| 525 | /* |
| 526 | * The user has done a write and wants us to take the |
| 527 | * data in the buffer and do something with it. |
| 528 | * proc_scsiwrite calls us with inout = 1 |
| 529 | * |
| 530 | * Read data from buffer (writing to us) - NOT SUPPORTED |
| 531 | */ |
| 532 | return -EINVAL; |
| 533 | } |
| 534 | |
| 535 | /* |
| 536 | * inout = 0 means the user has done a read and wants information |
| 537 | * returned, so we write information about the cards into the buffer |
| 538 | * proc_scsiread() calls us with inout = 0 |
| 539 | */ |
| 540 | |
| 541 | // Find HBA (host bus adapter) we are looking for |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 542 | mutex_lock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 543 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
| 544 | if (pHba->host == host) { |
| 545 | break; /* found adapter */ |
| 546 | } |
| 547 | } |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 548 | mutex_unlock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 549 | if (pHba == NULL) { |
| 550 | return 0; |
| 551 | } |
| 552 | host = pHba->host; |
| 553 | |
| 554 | len = sprintf(buffer , "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION); |
| 555 | len += sprintf(buffer+len, "%s\n", pHba->detail); |
| 556 | len += sprintf(buffer+len, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n", |
| 557 | pHba->host->host_no, pHba->name, host->irq); |
| 558 | len += sprintf(buffer+len, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n", |
| 559 | host->can_queue, (int) pHba->reply_fifo_size , host->sg_tablesize); |
| 560 | |
| 561 | pos = begin + len; |
| 562 | |
| 563 | /* CHECKPOINT */ |
| 564 | if(pos > offset + length) { |
| 565 | goto stop_output; |
| 566 | } |
| 567 | if(pos <= offset) { |
| 568 | /* |
| 569 | * If we haven't even written to where we last left |
| 570 | * off (the last time we were called), reset the |
| 571 | * beginning pointer. |
| 572 | */ |
| 573 | len = 0; |
| 574 | begin = pos; |
| 575 | } |
| 576 | len += sprintf(buffer+len, "Devices:\n"); |
| 577 | for(chan = 0; chan < MAX_CHANNEL; chan++) { |
| 578 | for(id = 0; id < MAX_ID; id++) { |
| 579 | d = pHba->channel[chan].device[id]; |
| 580 | while(d){ |
| 581 | len += sprintf(buffer+len,"\t%-24.24s", d->pScsi_dev->vendor); |
| 582 | len += sprintf(buffer+len," Rev: %-8.8s\n", d->pScsi_dev->rev); |
| 583 | pos = begin + len; |
| 584 | |
| 585 | |
| 586 | /* CHECKPOINT */ |
| 587 | if(pos > offset + length) { |
| 588 | goto stop_output; |
| 589 | } |
| 590 | if(pos <= offset) { |
| 591 | len = 0; |
| 592 | begin = pos; |
| 593 | } |
| 594 | |
| 595 | unit = d->pI2o_dev->lct_data.tid; |
| 596 | len += sprintf(buffer+len, "\tTID=%d, (Channel=%d, Target=%d, Lun=%d) (%s)\n\n", |
| 597 | unit, (int)d->scsi_channel, (int)d->scsi_id, (int)d->scsi_lun, |
| 598 | scsi_device_online(d->pScsi_dev)? "online":"offline"); |
| 599 | pos = begin + len; |
| 600 | |
| 601 | /* CHECKPOINT */ |
| 602 | if(pos > offset + length) { |
| 603 | goto stop_output; |
| 604 | } |
| 605 | if(pos <= offset) { |
| 606 | len = 0; |
| 607 | begin = pos; |
| 608 | } |
| 609 | |
| 610 | d = d->next_lun; |
| 611 | } |
| 612 | } |
| 613 | } |
| 614 | |
| 615 | /* |
| 616 | * begin is where we last checked our position with regards to offset |
| 617 | * begin is always less than offset. len is relative to begin. It |
| 618 | * is the number of bytes written past begin |
| 619 | * |
| 620 | */ |
| 621 | stop_output: |
| 622 | /* stop the output and calculate the correct length */ |
| 623 | *(buffer + len) = '\0'; |
| 624 | |
| 625 | *start = buffer + (offset - begin); /* Start of wanted data */ |
| 626 | len -= (offset - begin); |
| 627 | if(len > length) { |
| 628 | len = length; |
| 629 | } else if(len < 0){ |
| 630 | len = 0; |
| 631 | **start = '\0'; |
| 632 | } |
| 633 | return len; |
| 634 | } |
| 635 | |
| 636 | |
| 637 | /*=========================================================================== |
| 638 | * Error Handling routines |
| 639 | *=========================================================================== |
| 640 | */ |
| 641 | |
| 642 | static int adpt_abort(struct scsi_cmnd * cmd) |
| 643 | { |
| 644 | adpt_hba* pHba = NULL; /* host bus adapter structure */ |
| 645 | struct adpt_device* dptdevice; /* dpt per device information */ |
| 646 | u32 msg[5]; |
| 647 | int rcode; |
| 648 | |
| 649 | if(cmd->serial_number == 0){ |
| 650 | return FAILED; |
| 651 | } |
| 652 | pHba = (adpt_hba*) cmd->device->host->hostdata[0]; |
| 653 | printk(KERN_INFO"%s: Trying to Abort cmd=%ld\n",pHba->name, cmd->serial_number); |
| 654 | if ((dptdevice = (void*) (cmd->device->hostdata)) == NULL) { |
| 655 | printk(KERN_ERR "%s: Unable to abort: No device in cmnd\n",pHba->name); |
| 656 | return FAILED; |
| 657 | } |
| 658 | |
| 659 | memset(msg, 0, sizeof(msg)); |
| 660 | msg[0] = FIVE_WORD_MSG_SIZE|SGL_OFFSET_0; |
| 661 | msg[1] = I2O_CMD_SCSI_ABORT<<24|HOST_TID<<12|dptdevice->tid; |
| 662 | msg[2] = 0; |
| 663 | msg[3]= 0; |
| 664 | msg[4] = (u32)cmd; |
Salyzyn, Mark | e5508c1 | 2005-12-17 19:26:30 -0800 | [diff] [blame] | 665 | if (pHba->host) |
| 666 | spin_lock_irq(pHba->host->host_lock); |
| 667 | rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER); |
| 668 | if (pHba->host) |
| 669 | spin_unlock_irq(pHba->host->host_lock); |
| 670 | if (rcode != 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 671 | if(rcode == -EOPNOTSUPP ){ |
| 672 | printk(KERN_INFO"%s: Abort cmd not supported\n",pHba->name); |
| 673 | return FAILED; |
| 674 | } |
| 675 | printk(KERN_INFO"%s: Abort cmd=%ld failed.\n",pHba->name, cmd->serial_number); |
| 676 | return FAILED; |
| 677 | } |
| 678 | printk(KERN_INFO"%s: Abort cmd=%ld complete.\n",pHba->name, cmd->serial_number); |
| 679 | return SUCCESS; |
| 680 | } |
| 681 | |
| 682 | |
| 683 | #define I2O_DEVICE_RESET 0x27 |
| 684 | // This is the same for BLK and SCSI devices |
| 685 | // NOTE this is wrong in the i2o.h definitions |
| 686 | // This is not currently supported by our adapter but we issue it anyway |
| 687 | static int adpt_device_reset(struct scsi_cmnd* cmd) |
| 688 | { |
| 689 | adpt_hba* pHba; |
| 690 | u32 msg[4]; |
| 691 | u32 rcode; |
| 692 | int old_state; |
Benoit Boissinot | 1c2fb3f | 2005-04-25 19:46:48 -0700 | [diff] [blame] | 693 | struct adpt_device* d = cmd->device->hostdata; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 694 | |
| 695 | pHba = (void*) cmd->device->host->hostdata[0]; |
| 696 | printk(KERN_INFO"%s: Trying to reset device\n",pHba->name); |
| 697 | if (!d) { |
| 698 | printk(KERN_INFO"%s: Reset Device: Device Not found\n",pHba->name); |
| 699 | return FAILED; |
| 700 | } |
| 701 | memset(msg, 0, sizeof(msg)); |
| 702 | msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0; |
| 703 | msg[1] = (I2O_DEVICE_RESET<<24|HOST_TID<<12|d->tid); |
| 704 | msg[2] = 0; |
| 705 | msg[3] = 0; |
| 706 | |
Salyzyn, Mark | e5508c1 | 2005-12-17 19:26:30 -0800 | [diff] [blame] | 707 | if (pHba->host) |
| 708 | spin_lock_irq(pHba->host->host_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 709 | old_state = d->state; |
| 710 | d->state |= DPTI_DEV_RESET; |
Salyzyn, Mark | e5508c1 | 2005-12-17 19:26:30 -0800 | [diff] [blame] | 711 | rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER); |
| 712 | d->state = old_state; |
| 713 | if (pHba->host) |
| 714 | spin_unlock_irq(pHba->host->host_lock); |
| 715 | if (rcode != 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 716 | if(rcode == -EOPNOTSUPP ){ |
| 717 | printk(KERN_INFO"%s: Device reset not supported\n",pHba->name); |
| 718 | return FAILED; |
| 719 | } |
| 720 | printk(KERN_INFO"%s: Device reset failed\n",pHba->name); |
| 721 | return FAILED; |
| 722 | } else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 723 | printk(KERN_INFO"%s: Device reset successful\n",pHba->name); |
| 724 | return SUCCESS; |
| 725 | } |
| 726 | } |
| 727 | |
| 728 | |
| 729 | #define I2O_HBA_BUS_RESET 0x87 |
| 730 | // This version of bus reset is called by the eh_error handler |
| 731 | static int adpt_bus_reset(struct scsi_cmnd* cmd) |
| 732 | { |
| 733 | adpt_hba* pHba; |
| 734 | u32 msg[4]; |
Salyzyn, Mark | e5508c1 | 2005-12-17 19:26:30 -0800 | [diff] [blame] | 735 | u32 rcode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 736 | |
| 737 | pHba = (adpt_hba*)cmd->device->host->hostdata[0]; |
| 738 | memset(msg, 0, sizeof(msg)); |
| 739 | printk(KERN_WARNING"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba->name, cmd->device->channel,pHba->channel[cmd->device->channel].tid ); |
| 740 | msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0; |
| 741 | msg[1] = (I2O_HBA_BUS_RESET<<24|HOST_TID<<12|pHba->channel[cmd->device->channel].tid); |
| 742 | msg[2] = 0; |
| 743 | msg[3] = 0; |
Salyzyn, Mark | e5508c1 | 2005-12-17 19:26:30 -0800 | [diff] [blame] | 744 | if (pHba->host) |
| 745 | spin_lock_irq(pHba->host->host_lock); |
| 746 | rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER); |
| 747 | if (pHba->host) |
| 748 | spin_unlock_irq(pHba->host->host_lock); |
| 749 | if (rcode != 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 750 | printk(KERN_WARNING"%s: Bus reset failed.\n",pHba->name); |
| 751 | return FAILED; |
| 752 | } else { |
| 753 | printk(KERN_WARNING"%s: Bus reset success.\n",pHba->name); |
| 754 | return SUCCESS; |
| 755 | } |
| 756 | } |
| 757 | |
| 758 | // This version of reset is called by the eh_error_handler |
Jeff Garzik | df0ae24 | 2005-05-28 07:57:14 -0400 | [diff] [blame] | 759 | static int __adpt_reset(struct scsi_cmnd* cmd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 760 | { |
| 761 | adpt_hba* pHba; |
| 762 | int rcode; |
| 763 | pHba = (adpt_hba*)cmd->device->host->hostdata[0]; |
| 764 | printk(KERN_WARNING"%s: Hba Reset: scsi id %d: tid: %d\n",pHba->name,cmd->device->channel,pHba->channel[cmd->device->channel].tid ); |
| 765 | rcode = adpt_hba_reset(pHba); |
| 766 | if(rcode == 0){ |
| 767 | printk(KERN_WARNING"%s: HBA reset complete\n",pHba->name); |
| 768 | return SUCCESS; |
| 769 | } else { |
| 770 | printk(KERN_WARNING"%s: HBA reset failed (%x)\n",pHba->name, rcode); |
| 771 | return FAILED; |
| 772 | } |
| 773 | } |
| 774 | |
Jeff Garzik | df0ae24 | 2005-05-28 07:57:14 -0400 | [diff] [blame] | 775 | static int adpt_reset(struct scsi_cmnd* cmd) |
| 776 | { |
| 777 | int rc; |
| 778 | |
| 779 | spin_lock_irq(cmd->device->host->host_lock); |
| 780 | rc = __adpt_reset(cmd); |
| 781 | spin_unlock_irq(cmd->device->host->host_lock); |
| 782 | |
| 783 | return rc; |
| 784 | } |
| 785 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 786 | // This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset |
| 787 | static int adpt_hba_reset(adpt_hba* pHba) |
| 788 | { |
| 789 | int rcode; |
| 790 | |
| 791 | pHba->state |= DPTI_STATE_RESET; |
| 792 | |
| 793 | // Activate does get status , init outbound, and get hrt |
| 794 | if ((rcode=adpt_i2o_activate_hba(pHba)) < 0) { |
| 795 | printk(KERN_ERR "%s: Could not activate\n", pHba->name); |
| 796 | adpt_i2o_delete_hba(pHba); |
| 797 | return rcode; |
| 798 | } |
| 799 | |
| 800 | if ((rcode=adpt_i2o_build_sys_table()) < 0) { |
| 801 | adpt_i2o_delete_hba(pHba); |
| 802 | return rcode; |
| 803 | } |
| 804 | PDEBUG("%s: in HOLD state\n",pHba->name); |
| 805 | |
| 806 | if ((rcode=adpt_i2o_online_hba(pHba)) < 0) { |
| 807 | adpt_i2o_delete_hba(pHba); |
| 808 | return rcode; |
| 809 | } |
| 810 | PDEBUG("%s: in OPERATIONAL state\n",pHba->name); |
| 811 | |
| 812 | if ((rcode=adpt_i2o_lct_get(pHba)) < 0){ |
| 813 | adpt_i2o_delete_hba(pHba); |
| 814 | return rcode; |
| 815 | } |
| 816 | |
| 817 | if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0){ |
| 818 | adpt_i2o_delete_hba(pHba); |
| 819 | return rcode; |
| 820 | } |
| 821 | pHba->state &= ~DPTI_STATE_RESET; |
| 822 | |
| 823 | adpt_fail_posted_scbs(pHba); |
| 824 | return 0; /* return success */ |
| 825 | } |
| 826 | |
| 827 | /*=========================================================================== |
| 828 | * |
| 829 | *=========================================================================== |
| 830 | */ |
| 831 | |
| 832 | |
| 833 | static void adpt_i2o_sys_shutdown(void) |
| 834 | { |
| 835 | adpt_hba *pHba, *pNext; |
Adrian Bunk | 458af54 | 2005-11-27 00:36:37 +0100 | [diff] [blame] | 836 | struct adpt_i2o_post_wait_data *p1, *old; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 837 | |
| 838 | printk(KERN_INFO"Shutting down Adaptec I2O controllers.\n"); |
| 839 | printk(KERN_INFO" This could take a few minutes if there are many devices attached\n"); |
| 840 | /* Delete all IOPs from the controller chain */ |
| 841 | /* They should have already been released by the |
| 842 | * scsi-core |
| 843 | */ |
| 844 | for (pHba = hba_chain; pHba; pHba = pNext) { |
| 845 | pNext = pHba->next; |
| 846 | adpt_i2o_delete_hba(pHba); |
| 847 | } |
| 848 | |
| 849 | /* Remove any timedout entries from the wait queue. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 850 | // spin_lock_irqsave(&adpt_post_wait_lock, flags); |
| 851 | /* Nothing should be outstanding at this point so just |
| 852 | * free them |
| 853 | */ |
Adrian Bunk | 458af54 | 2005-11-27 00:36:37 +0100 | [diff] [blame] | 854 | for(p1 = adpt_post_wait_queue; p1;) { |
| 855 | old = p1; |
| 856 | p1 = p1->next; |
| 857 | kfree(old); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 858 | } |
| 859 | // spin_unlock_irqrestore(&adpt_post_wait_lock, flags); |
| 860 | adpt_post_wait_queue = NULL; |
| 861 | |
| 862 | printk(KERN_INFO "Adaptec I2O controllers down.\n"); |
| 863 | } |
| 864 | |
| 865 | /* |
| 866 | * reboot/shutdown notification. |
| 867 | * |
| 868 | * - Quiesce each IOP in the system |
| 869 | * |
| 870 | */ |
| 871 | |
| 872 | #ifdef REBOOT_NOTIFIER |
| 873 | static int adpt_reboot_event(struct notifier_block *n, ulong code, void *p) |
| 874 | { |
| 875 | |
| 876 | if(code != SYS_RESTART && code != SYS_HALT && code != SYS_POWER_OFF) |
| 877 | return NOTIFY_DONE; |
| 878 | |
| 879 | adpt_i2o_sys_shutdown(); |
| 880 | |
| 881 | return NOTIFY_DONE; |
| 882 | } |
| 883 | #endif |
| 884 | |
| 885 | |
| 886 | static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev) |
| 887 | { |
| 888 | |
| 889 | adpt_hba* pHba = NULL; |
| 890 | adpt_hba* p = NULL; |
| 891 | ulong base_addr0_phys = 0; |
| 892 | ulong base_addr1_phys = 0; |
| 893 | u32 hba_map0_area_size = 0; |
| 894 | u32 hba_map1_area_size = 0; |
| 895 | void __iomem *base_addr_virt = NULL; |
| 896 | void __iomem *msg_addr_virt = NULL; |
| 897 | |
| 898 | int raptorFlag = FALSE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 899 | |
| 900 | if(pci_enable_device(pDev)) { |
| 901 | return -EINVAL; |
| 902 | } |
Salyzyn, Mark | 9638d89 | 2006-01-12 08:31:57 -0500 | [diff] [blame] | 903 | |
| 904 | if (pci_request_regions(pDev, "dpt_i2o")) { |
| 905 | PERROR("dpti: adpt_config_hba: pci request region failed\n"); |
| 906 | return -EINVAL; |
| 907 | } |
| 908 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 909 | pci_set_master(pDev); |
Matthias Gehre | 910638a | 2006-03-28 01:56:48 -0800 | [diff] [blame] | 910 | if (pci_set_dma_mask(pDev, DMA_64BIT_MASK) && |
| 911 | pci_set_dma_mask(pDev, DMA_32BIT_MASK)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | return -EINVAL; |
| 913 | |
| 914 | base_addr0_phys = pci_resource_start(pDev,0); |
| 915 | hba_map0_area_size = pci_resource_len(pDev,0); |
| 916 | |
| 917 | // Check if standard PCI card or single BAR Raptor |
| 918 | if(pDev->device == PCI_DPT_DEVICE_ID){ |
| 919 | if(pDev->subsystem_device >=0xc032 && pDev->subsystem_device <= 0xc03b){ |
| 920 | // Raptor card with this device id needs 4M |
| 921 | hba_map0_area_size = 0x400000; |
| 922 | } else { // Not Raptor - it is a PCI card |
| 923 | if(hba_map0_area_size > 0x100000 ){ |
| 924 | hba_map0_area_size = 0x100000; |
| 925 | } |
| 926 | } |
| 927 | } else {// Raptor split BAR config |
| 928 | // Use BAR1 in this configuration |
| 929 | base_addr1_phys = pci_resource_start(pDev,1); |
| 930 | hba_map1_area_size = pci_resource_len(pDev,1); |
| 931 | raptorFlag = TRUE; |
| 932 | } |
| 933 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 934 | base_addr_virt = ioremap(base_addr0_phys,hba_map0_area_size); |
| 935 | if (!base_addr_virt) { |
James Bottomley | 9c472dd | 2005-08-08 11:51:38 -0500 | [diff] [blame] | 936 | pci_release_regions(pDev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 937 | PERROR("dpti: adpt_config_hba: io remap failed\n"); |
| 938 | return -EINVAL; |
| 939 | } |
| 940 | |
| 941 | if(raptorFlag == TRUE) { |
| 942 | msg_addr_virt = ioremap(base_addr1_phys, hba_map1_area_size ); |
| 943 | if (!msg_addr_virt) { |
| 944 | PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n"); |
| 945 | iounmap(base_addr_virt); |
James Bottomley | 9c472dd | 2005-08-08 11:51:38 -0500 | [diff] [blame] | 946 | pci_release_regions(pDev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 947 | return -EINVAL; |
| 948 | } |
| 949 | } else { |
| 950 | msg_addr_virt = base_addr_virt; |
| 951 | } |
| 952 | |
| 953 | // Allocate and zero the data structure |
| 954 | pHba = kmalloc(sizeof(adpt_hba), GFP_KERNEL); |
| 955 | if( pHba == NULL) { |
| 956 | if(msg_addr_virt != base_addr_virt){ |
| 957 | iounmap(msg_addr_virt); |
| 958 | } |
| 959 | iounmap(base_addr_virt); |
James Bottomley | 9c472dd | 2005-08-08 11:51:38 -0500 | [diff] [blame] | 960 | pci_release_regions(pDev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 961 | return -ENOMEM; |
| 962 | } |
| 963 | memset(pHba, 0, sizeof(adpt_hba)); |
| 964 | |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 965 | mutex_lock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 966 | |
| 967 | if(hba_chain != NULL){ |
| 968 | for(p = hba_chain; p->next; p = p->next); |
| 969 | p->next = pHba; |
| 970 | } else { |
| 971 | hba_chain = pHba; |
| 972 | } |
| 973 | pHba->next = NULL; |
| 974 | pHba->unit = hba_count; |
Benoit Boissinot | 23a2bc2 | 2005-04-25 19:46:30 -0700 | [diff] [blame] | 975 | sprintf(pHba->name, "dpti%d", hba_count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 976 | hba_count++; |
| 977 | |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 978 | mutex_unlock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 979 | |
| 980 | pHba->pDev = pDev; |
| 981 | pHba->base_addr_phys = base_addr0_phys; |
| 982 | |
| 983 | // Set up the Virtual Base Address of the I2O Device |
| 984 | pHba->base_addr_virt = base_addr_virt; |
| 985 | pHba->msg_addr_virt = msg_addr_virt; |
| 986 | pHba->irq_mask = base_addr_virt+0x30; |
| 987 | pHba->post_port = base_addr_virt+0x40; |
| 988 | pHba->reply_port = base_addr_virt+0x44; |
| 989 | |
| 990 | pHba->hrt = NULL; |
| 991 | pHba->lct = NULL; |
| 992 | pHba->lct_size = 0; |
| 993 | pHba->status_block = NULL; |
| 994 | pHba->post_count = 0; |
| 995 | pHba->state = DPTI_STATE_RESET; |
| 996 | pHba->pDev = pDev; |
| 997 | pHba->devices = NULL; |
| 998 | |
| 999 | // Initializing the spinlocks |
| 1000 | spin_lock_init(&pHba->state_lock); |
| 1001 | spin_lock_init(&adpt_post_wait_lock); |
| 1002 | |
| 1003 | if(raptorFlag == 0){ |
| 1004 | printk(KERN_INFO"Adaptec I2O RAID controller %d at %p size=%x irq=%d\n", |
| 1005 | hba_count-1, base_addr_virt, hba_map0_area_size, pDev->irq); |
| 1006 | } else { |
| 1007 | printk(KERN_INFO"Adaptec I2O RAID controller %d irq=%d\n",hba_count-1, pDev->irq); |
| 1008 | printk(KERN_INFO" BAR0 %p - size= %x\n",base_addr_virt,hba_map0_area_size); |
| 1009 | printk(KERN_INFO" BAR1 %p - size= %x\n",msg_addr_virt,hba_map1_area_size); |
| 1010 | } |
| 1011 | |
Thomas Gleixner | 1d6f359 | 2006-07-01 19:29:42 -0700 | [diff] [blame] | 1012 | if (request_irq (pDev->irq, adpt_isr, IRQF_SHARED, pHba->name, pHba)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1013 | printk(KERN_ERR"%s: Couldn't register IRQ %d\n", pHba->name, pDev->irq); |
| 1014 | adpt_i2o_delete_hba(pHba); |
| 1015 | return -EINVAL; |
| 1016 | } |
| 1017 | |
| 1018 | return 0; |
| 1019 | } |
| 1020 | |
| 1021 | |
| 1022 | static void adpt_i2o_delete_hba(adpt_hba* pHba) |
| 1023 | { |
| 1024 | adpt_hba* p1; |
| 1025 | adpt_hba* p2; |
| 1026 | struct i2o_device* d; |
| 1027 | struct i2o_device* next; |
| 1028 | int i; |
| 1029 | int j; |
| 1030 | struct adpt_device* pDev; |
| 1031 | struct adpt_device* pNext; |
| 1032 | |
| 1033 | |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 1034 | mutex_lock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1035 | // scsi_unregister calls our adpt_release which |
| 1036 | // does a quiese |
| 1037 | if(pHba->host){ |
| 1038 | free_irq(pHba->host->irq, pHba); |
| 1039 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1040 | p2 = NULL; |
| 1041 | for( p1 = hba_chain; p1; p2 = p1,p1=p1->next){ |
| 1042 | if(p1 == pHba) { |
| 1043 | if(p2) { |
| 1044 | p2->next = p1->next; |
| 1045 | } else { |
| 1046 | hba_chain = p1->next; |
| 1047 | } |
| 1048 | break; |
| 1049 | } |
| 1050 | } |
| 1051 | |
| 1052 | hba_count--; |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 1053 | mutex_unlock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1054 | |
| 1055 | iounmap(pHba->base_addr_virt); |
James Bottomley | 9c472dd | 2005-08-08 11:51:38 -0500 | [diff] [blame] | 1056 | pci_release_regions(pHba->pDev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1057 | if(pHba->msg_addr_virt != pHba->base_addr_virt){ |
| 1058 | iounmap(pHba->msg_addr_virt); |
| 1059 | } |
Jesper Juhl | c9475cb | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 1060 | kfree(pHba->hrt); |
| 1061 | kfree(pHba->lct); |
| 1062 | kfree(pHba->status_block); |
| 1063 | kfree(pHba->reply_pool); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1064 | |
| 1065 | for(d = pHba->devices; d ; d = next){ |
| 1066 | next = d->next; |
| 1067 | kfree(d); |
| 1068 | } |
| 1069 | for(i = 0 ; i < pHba->top_scsi_channel ; i++){ |
| 1070 | for(j = 0; j < MAX_ID; j++){ |
| 1071 | if(pHba->channel[i].device[j] != NULL){ |
| 1072 | for(pDev = pHba->channel[i].device[j]; pDev; pDev = pNext){ |
| 1073 | pNext = pDev->next_lun; |
| 1074 | kfree(pDev); |
| 1075 | } |
| 1076 | } |
| 1077 | } |
| 1078 | } |
Alan Cox | a07f353 | 2006-09-15 15:34:32 +0100 | [diff] [blame] | 1079 | pci_dev_put(pHba->pDev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1080 | kfree(pHba); |
| 1081 | |
| 1082 | if(hba_count <= 0){ |
| 1083 | unregister_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER); |
| 1084 | } |
| 1085 | } |
| 1086 | |
| 1087 | |
| 1088 | static int adpt_init(void) |
| 1089 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1090 | printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1091 | #ifdef REBOOT_NOTIFIER |
| 1092 | register_reboot_notifier(&adpt_reboot_notifier); |
| 1093 | #endif |
| 1094 | |
| 1095 | return 0; |
| 1096 | } |
| 1097 | |
| 1098 | |
| 1099 | static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun) |
| 1100 | { |
| 1101 | struct adpt_device* d; |
| 1102 | |
| 1103 | if(chan < 0 || chan >= MAX_CHANNEL) |
| 1104 | return NULL; |
| 1105 | |
| 1106 | if( pHba->channel[chan].device == NULL){ |
| 1107 | printk(KERN_DEBUG"Adaptec I2O RAID: Trying to find device before they are allocated\n"); |
| 1108 | return NULL; |
| 1109 | } |
| 1110 | |
| 1111 | d = pHba->channel[chan].device[id]; |
| 1112 | if(!d || d->tid == 0) { |
| 1113 | return NULL; |
| 1114 | } |
| 1115 | |
| 1116 | /* If it is the only lun at that address then this should match*/ |
| 1117 | if(d->scsi_lun == lun){ |
| 1118 | return d; |
| 1119 | } |
| 1120 | |
| 1121 | /* else we need to look through all the luns */ |
| 1122 | for(d=d->next_lun ; d ; d = d->next_lun){ |
| 1123 | if(d->scsi_lun == lun){ |
| 1124 | return d; |
| 1125 | } |
| 1126 | } |
| 1127 | return NULL; |
| 1128 | } |
| 1129 | |
| 1130 | |
| 1131 | static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout) |
| 1132 | { |
| 1133 | // I used my own version of the WAIT_QUEUE_HEAD |
| 1134 | // to handle some version differences |
| 1135 | // When embedded in the kernel this could go back to the vanilla one |
| 1136 | ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post); |
| 1137 | int status = 0; |
| 1138 | ulong flags = 0; |
| 1139 | struct adpt_i2o_post_wait_data *p1, *p2; |
| 1140 | struct adpt_i2o_post_wait_data *wait_data = |
| 1141 | kmalloc(sizeof(struct adpt_i2o_post_wait_data),GFP_KERNEL); |
Andrew Morton | 4452ea5 | 2005-06-23 00:10:26 -0700 | [diff] [blame] | 1142 | DECLARE_WAITQUEUE(wait, current); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1143 | |
Andrew Morton | 4452ea5 | 2005-06-23 00:10:26 -0700 | [diff] [blame] | 1144 | if (!wait_data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1145 | return -ENOMEM; |
Andrew Morton | 4452ea5 | 2005-06-23 00:10:26 -0700 | [diff] [blame] | 1146 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1147 | /* |
| 1148 | * The spin locking is needed to keep anyone from playing |
| 1149 | * with the queue pointers and id while we do the same |
| 1150 | */ |
| 1151 | spin_lock_irqsave(&adpt_post_wait_lock, flags); |
| 1152 | // TODO we need a MORE unique way of getting ids |
| 1153 | // to support async LCT get |
| 1154 | wait_data->next = adpt_post_wait_queue; |
| 1155 | adpt_post_wait_queue = wait_data; |
| 1156 | adpt_post_wait_id++; |
| 1157 | adpt_post_wait_id &= 0x7fff; |
| 1158 | wait_data->id = adpt_post_wait_id; |
| 1159 | spin_unlock_irqrestore(&adpt_post_wait_lock, flags); |
| 1160 | |
| 1161 | wait_data->wq = &adpt_wq_i2o_post; |
| 1162 | wait_data->status = -ETIMEDOUT; |
| 1163 | |
Andrew Morton | 4452ea5 | 2005-06-23 00:10:26 -0700 | [diff] [blame] | 1164 | add_wait_queue(&adpt_wq_i2o_post, &wait); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1165 | |
| 1166 | msg[2] |= 0x80000000 | ((u32)wait_data->id); |
| 1167 | timeout *= HZ; |
| 1168 | if((status = adpt_i2o_post_this(pHba, msg, len)) == 0){ |
| 1169 | set_current_state(TASK_INTERRUPTIBLE); |
| 1170 | if(pHba->host) |
| 1171 | spin_unlock_irq(pHba->host->host_lock); |
| 1172 | if (!timeout) |
| 1173 | schedule(); |
| 1174 | else{ |
| 1175 | timeout = schedule_timeout(timeout); |
| 1176 | if (timeout == 0) { |
| 1177 | // I/O issued, but cannot get result in |
| 1178 | // specified time. Freeing resorces is |
| 1179 | // dangerous. |
| 1180 | status = -ETIME; |
| 1181 | } |
| 1182 | } |
| 1183 | if(pHba->host) |
| 1184 | spin_lock_irq(pHba->host->host_lock); |
| 1185 | } |
Andrew Morton | 4452ea5 | 2005-06-23 00:10:26 -0700 | [diff] [blame] | 1186 | remove_wait_queue(&adpt_wq_i2o_post, &wait); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1187 | |
| 1188 | if(status == -ETIMEDOUT){ |
| 1189 | printk(KERN_INFO"dpti%d: POST WAIT TIMEOUT\n",pHba->unit); |
| 1190 | // We will have to free the wait_data memory during shutdown |
| 1191 | return status; |
| 1192 | } |
| 1193 | |
| 1194 | /* Remove the entry from the queue. */ |
| 1195 | p2 = NULL; |
| 1196 | spin_lock_irqsave(&adpt_post_wait_lock, flags); |
| 1197 | for(p1 = adpt_post_wait_queue; p1; p2 = p1, p1 = p1->next) { |
| 1198 | if(p1 == wait_data) { |
| 1199 | if(p1->status == I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION ) { |
| 1200 | status = -EOPNOTSUPP; |
| 1201 | } |
| 1202 | if(p2) { |
| 1203 | p2->next = p1->next; |
| 1204 | } else { |
| 1205 | adpt_post_wait_queue = p1->next; |
| 1206 | } |
| 1207 | break; |
| 1208 | } |
| 1209 | } |
| 1210 | spin_unlock_irqrestore(&adpt_post_wait_lock, flags); |
| 1211 | |
| 1212 | kfree(wait_data); |
| 1213 | |
| 1214 | return status; |
| 1215 | } |
| 1216 | |
| 1217 | |
| 1218 | static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len) |
| 1219 | { |
| 1220 | |
| 1221 | u32 m = EMPTY_QUEUE; |
| 1222 | u32 __iomem *msg; |
| 1223 | ulong timeout = jiffies + 30*HZ; |
| 1224 | do { |
| 1225 | rmb(); |
| 1226 | m = readl(pHba->post_port); |
| 1227 | if (m != EMPTY_QUEUE) { |
| 1228 | break; |
| 1229 | } |
| 1230 | if(time_after(jiffies,timeout)){ |
| 1231 | printk(KERN_WARNING"dpti%d: Timeout waiting for message frame!\n", pHba->unit); |
| 1232 | return -ETIMEDOUT; |
| 1233 | } |
Nishanth Aravamudan | a9a3047 | 2005-11-07 01:01:20 -0800 | [diff] [blame] | 1234 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1235 | } while(m == EMPTY_QUEUE); |
| 1236 | |
| 1237 | msg = pHba->msg_addr_virt + m; |
| 1238 | memcpy_toio(msg, data, len); |
| 1239 | wmb(); |
| 1240 | |
| 1241 | //post message |
| 1242 | writel(m, pHba->post_port); |
| 1243 | wmb(); |
| 1244 | |
| 1245 | return 0; |
| 1246 | } |
| 1247 | |
| 1248 | |
| 1249 | static void adpt_i2o_post_wait_complete(u32 context, int status) |
| 1250 | { |
| 1251 | struct adpt_i2o_post_wait_data *p1 = NULL; |
| 1252 | /* |
| 1253 | * We need to search through the adpt_post_wait |
| 1254 | * queue to see if the given message is still |
| 1255 | * outstanding. If not, it means that the IOP |
| 1256 | * took longer to respond to the message than we |
| 1257 | * had allowed and timer has already expired. |
| 1258 | * Not much we can do about that except log |
| 1259 | * it for debug purposes, increase timeout, and recompile |
| 1260 | * |
| 1261 | * Lock needed to keep anyone from moving queue pointers |
| 1262 | * around while we're looking through them. |
| 1263 | */ |
| 1264 | |
| 1265 | context &= 0x7fff; |
| 1266 | |
| 1267 | spin_lock(&adpt_post_wait_lock); |
| 1268 | for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) { |
| 1269 | if(p1->id == context) { |
| 1270 | p1->status = status; |
| 1271 | spin_unlock(&adpt_post_wait_lock); |
| 1272 | wake_up_interruptible(p1->wq); |
| 1273 | return; |
| 1274 | } |
| 1275 | } |
| 1276 | spin_unlock(&adpt_post_wait_lock); |
| 1277 | // If this happens we lose commands that probably really completed |
| 1278 | printk(KERN_DEBUG"dpti: Could Not find task %d in wait queue\n",context); |
| 1279 | printk(KERN_DEBUG" Tasks in wait queue:\n"); |
| 1280 | for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) { |
| 1281 | printk(KERN_DEBUG" %d\n",p1->id); |
| 1282 | } |
| 1283 | return; |
| 1284 | } |
| 1285 | |
| 1286 | static s32 adpt_i2o_reset_hba(adpt_hba* pHba) |
| 1287 | { |
| 1288 | u32 msg[8]; |
| 1289 | u8* status; |
| 1290 | u32 m = EMPTY_QUEUE ; |
| 1291 | ulong timeout = jiffies + (TMOUT_IOPRESET*HZ); |
| 1292 | |
| 1293 | if(pHba->initialized == FALSE) { // First time reset should be quick |
| 1294 | timeout = jiffies + (25*HZ); |
| 1295 | } else { |
| 1296 | adpt_i2o_quiesce_hba(pHba); |
| 1297 | } |
| 1298 | |
| 1299 | do { |
| 1300 | rmb(); |
| 1301 | m = readl(pHba->post_port); |
| 1302 | if (m != EMPTY_QUEUE) { |
| 1303 | break; |
| 1304 | } |
| 1305 | if(time_after(jiffies,timeout)){ |
| 1306 | printk(KERN_WARNING"Timeout waiting for message!\n"); |
| 1307 | return -ETIMEDOUT; |
| 1308 | } |
Nishanth Aravamudan | a9a3047 | 2005-11-07 01:01:20 -0800 | [diff] [blame] | 1309 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1310 | } while (m == EMPTY_QUEUE); |
| 1311 | |
vignesh.babu@wipro.com | ab55220 | 2007-04-16 11:35:38 +0530 | [diff] [blame] | 1312 | status = kzalloc(4, GFP_KERNEL|ADDR32); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1313 | if(status == NULL) { |
| 1314 | adpt_send_nop(pHba, m); |
| 1315 | printk(KERN_ERR"IOP reset failed - no free memory.\n"); |
| 1316 | return -ENOMEM; |
| 1317 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1318 | |
| 1319 | msg[0]=EIGHT_WORD_MSG_SIZE|SGL_OFFSET_0; |
| 1320 | msg[1]=I2O_CMD_ADAPTER_RESET<<24|HOST_TID<<12|ADAPTER_TID; |
| 1321 | msg[2]=0; |
| 1322 | msg[3]=0; |
| 1323 | msg[4]=0; |
| 1324 | msg[5]=0; |
| 1325 | msg[6]=virt_to_bus(status); |
| 1326 | msg[7]=0; |
| 1327 | |
| 1328 | memcpy_toio(pHba->msg_addr_virt+m, msg, sizeof(msg)); |
| 1329 | wmb(); |
| 1330 | writel(m, pHba->post_port); |
| 1331 | wmb(); |
| 1332 | |
| 1333 | while(*status == 0){ |
| 1334 | if(time_after(jiffies,timeout)){ |
| 1335 | printk(KERN_WARNING"%s: IOP Reset Timeout\n",pHba->name); |
| 1336 | kfree(status); |
| 1337 | return -ETIMEDOUT; |
| 1338 | } |
| 1339 | rmb(); |
Nishanth Aravamudan | a9a3047 | 2005-11-07 01:01:20 -0800 | [diff] [blame] | 1340 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1341 | } |
| 1342 | |
| 1343 | if(*status == 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) { |
| 1344 | PDEBUG("%s: Reset in progress...\n", pHba->name); |
| 1345 | // Here we wait for message frame to become available |
| 1346 | // indicated that reset has finished |
| 1347 | do { |
| 1348 | rmb(); |
| 1349 | m = readl(pHba->post_port); |
| 1350 | if (m != EMPTY_QUEUE) { |
| 1351 | break; |
| 1352 | } |
| 1353 | if(time_after(jiffies,timeout)){ |
| 1354 | printk(KERN_ERR "%s:Timeout waiting for IOP Reset.\n",pHba->name); |
| 1355 | return -ETIMEDOUT; |
| 1356 | } |
Nishanth Aravamudan | a9a3047 | 2005-11-07 01:01:20 -0800 | [diff] [blame] | 1357 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1358 | } while (m == EMPTY_QUEUE); |
| 1359 | // Flush the offset |
| 1360 | adpt_send_nop(pHba, m); |
| 1361 | } |
| 1362 | adpt_i2o_status_get(pHba); |
| 1363 | if(*status == 0x02 || |
| 1364 | pHba->status_block->iop_state != ADAPTER_STATE_RESET) { |
| 1365 | printk(KERN_WARNING"%s: Reset reject, trying to clear\n", |
| 1366 | pHba->name); |
| 1367 | } else { |
| 1368 | PDEBUG("%s: Reset completed.\n", pHba->name); |
| 1369 | } |
| 1370 | |
| 1371 | kfree(status); |
| 1372 | #ifdef UARTDELAY |
| 1373 | // This delay is to allow someone attached to the card through the debug UART to |
| 1374 | // set up the dump levels that they want before the rest of the initialization sequence |
| 1375 | adpt_delay(20000); |
| 1376 | #endif |
| 1377 | return 0; |
| 1378 | } |
| 1379 | |
| 1380 | |
| 1381 | static int adpt_i2o_parse_lct(adpt_hba* pHba) |
| 1382 | { |
| 1383 | int i; |
| 1384 | int max; |
| 1385 | int tid; |
| 1386 | struct i2o_device *d; |
| 1387 | i2o_lct *lct = pHba->lct; |
| 1388 | u8 bus_no = 0; |
| 1389 | s16 scsi_id; |
| 1390 | s16 scsi_lun; |
| 1391 | u32 buf[10]; // larger than 7, or 8 ... |
| 1392 | struct adpt_device* pDev; |
| 1393 | |
| 1394 | if (lct == NULL) { |
| 1395 | printk(KERN_ERR "%s: LCT is empty???\n",pHba->name); |
| 1396 | return -1; |
| 1397 | } |
| 1398 | |
| 1399 | max = lct->table_size; |
| 1400 | max -= 3; |
| 1401 | max /= 9; |
| 1402 | |
| 1403 | for(i=0;i<max;i++) { |
| 1404 | if( lct->lct_entry[i].user_tid != 0xfff){ |
| 1405 | /* |
| 1406 | * If we have hidden devices, we need to inform the upper layers about |
| 1407 | * the possible maximum id reference to handle device access when |
| 1408 | * an array is disassembled. This code has no other purpose but to |
| 1409 | * allow us future access to devices that are currently hidden |
| 1410 | * behind arrays, hotspares or have not been configured (JBOD mode). |
| 1411 | */ |
| 1412 | if( lct->lct_entry[i].class_id != I2O_CLASS_RANDOM_BLOCK_STORAGE && |
| 1413 | lct->lct_entry[i].class_id != I2O_CLASS_SCSI_PERIPHERAL && |
| 1414 | lct->lct_entry[i].class_id != I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){ |
| 1415 | continue; |
| 1416 | } |
| 1417 | tid = lct->lct_entry[i].tid; |
| 1418 | // I2O_DPT_DEVICE_INFO_GROUP_NO; |
| 1419 | if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) { |
| 1420 | continue; |
| 1421 | } |
| 1422 | bus_no = buf[0]>>16; |
| 1423 | scsi_id = buf[1]; |
| 1424 | scsi_lun = (buf[2]>>8 )&0xff; |
| 1425 | if(bus_no >= MAX_CHANNEL) { // Something wrong skip it |
| 1426 | printk(KERN_WARNING"%s: Channel number %d out of range \n", pHba->name, bus_no); |
| 1427 | continue; |
| 1428 | } |
| 1429 | if (scsi_id >= MAX_ID){ |
| 1430 | printk(KERN_WARNING"%s: SCSI ID %d out of range \n", pHba->name, bus_no); |
| 1431 | continue; |
| 1432 | } |
| 1433 | if(bus_no > pHba->top_scsi_channel){ |
| 1434 | pHba->top_scsi_channel = bus_no; |
| 1435 | } |
| 1436 | if(scsi_id > pHba->top_scsi_id){ |
| 1437 | pHba->top_scsi_id = scsi_id; |
| 1438 | } |
| 1439 | if(scsi_lun > pHba->top_scsi_lun){ |
| 1440 | pHba->top_scsi_lun = scsi_lun; |
| 1441 | } |
| 1442 | continue; |
| 1443 | } |
Robert P. J. Day | 5cbded5 | 2006-12-13 00:35:56 -0800 | [diff] [blame] | 1444 | d = kmalloc(sizeof(struct i2o_device), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1445 | if(d==NULL) |
| 1446 | { |
| 1447 | printk(KERN_CRIT"%s: Out of memory for I2O device data.\n",pHba->name); |
| 1448 | return -ENOMEM; |
| 1449 | } |
| 1450 | |
Benoit Boissinot | 1c2fb3f | 2005-04-25 19:46:48 -0700 | [diff] [blame] | 1451 | d->controller = pHba; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1452 | d->next = NULL; |
| 1453 | |
| 1454 | memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry)); |
| 1455 | |
| 1456 | d->flags = 0; |
| 1457 | tid = d->lct_data.tid; |
| 1458 | adpt_i2o_report_hba_unit(pHba, d); |
| 1459 | adpt_i2o_install_device(pHba, d); |
| 1460 | } |
| 1461 | bus_no = 0; |
| 1462 | for(d = pHba->devices; d ; d = d->next) { |
| 1463 | if(d->lct_data.class_id == I2O_CLASS_BUS_ADAPTER_PORT || |
| 1464 | d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PORT){ |
| 1465 | tid = d->lct_data.tid; |
| 1466 | // TODO get the bus_no from hrt-but for now they are in order |
| 1467 | //bus_no = |
| 1468 | if(bus_no > pHba->top_scsi_channel){ |
| 1469 | pHba->top_scsi_channel = bus_no; |
| 1470 | } |
| 1471 | pHba->channel[bus_no].type = d->lct_data.class_id; |
| 1472 | pHba->channel[bus_no].tid = tid; |
| 1473 | if(adpt_i2o_query_scalar(pHba, tid, 0x0200, -1, buf, 28)>=0) |
| 1474 | { |
| 1475 | pHba->channel[bus_no].scsi_id = buf[1]; |
| 1476 | PDEBUG("Bus %d - SCSI ID %d.\n", bus_no, buf[1]); |
| 1477 | } |
| 1478 | // TODO remove - this is just until we get from hrt |
| 1479 | bus_no++; |
| 1480 | if(bus_no >= MAX_CHANNEL) { // Something wrong skip it |
| 1481 | printk(KERN_WARNING"%s: Channel number %d out of range - LCT\n", pHba->name, bus_no); |
| 1482 | break; |
| 1483 | } |
| 1484 | } |
| 1485 | } |
| 1486 | |
| 1487 | // Setup adpt_device table |
| 1488 | for(d = pHba->devices; d ; d = d->next) { |
| 1489 | if(d->lct_data.class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE || |
| 1490 | d->lct_data.class_id == I2O_CLASS_SCSI_PERIPHERAL || |
| 1491 | d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){ |
| 1492 | |
| 1493 | tid = d->lct_data.tid; |
| 1494 | scsi_id = -1; |
| 1495 | // I2O_DPT_DEVICE_INFO_GROUP_NO; |
| 1496 | if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)>=0) { |
| 1497 | bus_no = buf[0]>>16; |
| 1498 | scsi_id = buf[1]; |
| 1499 | scsi_lun = (buf[2]>>8 )&0xff; |
| 1500 | if(bus_no >= MAX_CHANNEL) { // Something wrong skip it |
| 1501 | continue; |
| 1502 | } |
| 1503 | if (scsi_id >= MAX_ID) { |
| 1504 | continue; |
| 1505 | } |
| 1506 | if( pHba->channel[bus_no].device[scsi_id] == NULL){ |
vignesh.babu@wipro.com | ab55220 | 2007-04-16 11:35:38 +0530 | [diff] [blame] | 1507 | pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1508 | if(pDev == NULL) { |
| 1509 | return -ENOMEM; |
| 1510 | } |
| 1511 | pHba->channel[bus_no].device[scsi_id] = pDev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1512 | } else { |
| 1513 | for( pDev = pHba->channel[bus_no].device[scsi_id]; |
| 1514 | pDev->next_lun; pDev = pDev->next_lun){ |
| 1515 | } |
vignesh.babu@wipro.com | ab55220 | 2007-04-16 11:35:38 +0530 | [diff] [blame] | 1516 | pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1517 | if(pDev->next_lun == NULL) { |
| 1518 | return -ENOMEM; |
| 1519 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1520 | pDev = pDev->next_lun; |
| 1521 | } |
| 1522 | pDev->tid = tid; |
| 1523 | pDev->scsi_channel = bus_no; |
| 1524 | pDev->scsi_id = scsi_id; |
| 1525 | pDev->scsi_lun = scsi_lun; |
| 1526 | pDev->pI2o_dev = d; |
| 1527 | d->owner = pDev; |
| 1528 | pDev->type = (buf[0])&0xff; |
| 1529 | pDev->flags = (buf[0]>>8)&0xff; |
| 1530 | if(scsi_id > pHba->top_scsi_id){ |
| 1531 | pHba->top_scsi_id = scsi_id; |
| 1532 | } |
| 1533 | if(scsi_lun > pHba->top_scsi_lun){ |
| 1534 | pHba->top_scsi_lun = scsi_lun; |
| 1535 | } |
| 1536 | } |
| 1537 | if(scsi_id == -1){ |
| 1538 | printk(KERN_WARNING"Could not find SCSI ID for %s\n", |
| 1539 | d->lct_data.identity_tag); |
| 1540 | } |
| 1541 | } |
| 1542 | } |
| 1543 | return 0; |
| 1544 | } |
| 1545 | |
| 1546 | |
| 1547 | /* |
| 1548 | * Each I2O controller has a chain of devices on it - these match |
| 1549 | * the useful parts of the LCT of the board. |
| 1550 | */ |
| 1551 | |
| 1552 | static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d) |
| 1553 | { |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 1554 | mutex_lock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1555 | d->controller=pHba; |
| 1556 | d->owner=NULL; |
| 1557 | d->next=pHba->devices; |
| 1558 | d->prev=NULL; |
| 1559 | if (pHba->devices != NULL){ |
| 1560 | pHba->devices->prev=d; |
| 1561 | } |
| 1562 | pHba->devices=d; |
| 1563 | *d->dev_name = 0; |
| 1564 | |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 1565 | mutex_unlock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1566 | return 0; |
| 1567 | } |
| 1568 | |
| 1569 | static int adpt_open(struct inode *inode, struct file *file) |
| 1570 | { |
| 1571 | int minor; |
| 1572 | adpt_hba* pHba; |
| 1573 | |
| 1574 | //TODO check for root access |
| 1575 | // |
| 1576 | minor = iminor(inode); |
| 1577 | if (minor >= hba_count) { |
| 1578 | return -ENXIO; |
| 1579 | } |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 1580 | mutex_lock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1581 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
| 1582 | if (pHba->unit == minor) { |
| 1583 | break; /* found adapter */ |
| 1584 | } |
| 1585 | } |
| 1586 | if (pHba == NULL) { |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 1587 | mutex_unlock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1588 | return -ENXIO; |
| 1589 | } |
| 1590 | |
| 1591 | // if(pHba->in_use){ |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 1592 | // mutex_unlock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1593 | // return -EBUSY; |
| 1594 | // } |
| 1595 | |
| 1596 | pHba->in_use = 1; |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 1597 | mutex_unlock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1598 | |
| 1599 | return 0; |
| 1600 | } |
| 1601 | |
| 1602 | static int adpt_close(struct inode *inode, struct file *file) |
| 1603 | { |
| 1604 | int minor; |
| 1605 | adpt_hba* pHba; |
| 1606 | |
| 1607 | minor = iminor(inode); |
| 1608 | if (minor >= hba_count) { |
| 1609 | return -ENXIO; |
| 1610 | } |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 1611 | mutex_lock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1612 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
| 1613 | if (pHba->unit == minor) { |
| 1614 | break; /* found adapter */ |
| 1615 | } |
| 1616 | } |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 1617 | mutex_unlock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1618 | if (pHba == NULL) { |
| 1619 | return -ENXIO; |
| 1620 | } |
| 1621 | |
| 1622 | pHba->in_use = 0; |
| 1623 | |
| 1624 | return 0; |
| 1625 | } |
| 1626 | |
| 1627 | |
| 1628 | static int adpt_i2o_passthru(adpt_hba* pHba, u32 __user *arg) |
| 1629 | { |
| 1630 | u32 msg[MAX_MESSAGE_SIZE]; |
| 1631 | u32* reply = NULL; |
| 1632 | u32 size = 0; |
| 1633 | u32 reply_size = 0; |
| 1634 | u32 __user *user_msg = arg; |
| 1635 | u32 __user * user_reply = NULL; |
| 1636 | void *sg_list[pHba->sg_tablesize]; |
| 1637 | u32 sg_offset = 0; |
| 1638 | u32 sg_count = 0; |
| 1639 | int sg_index = 0; |
| 1640 | u32 i = 0; |
| 1641 | u32 rcode = 0; |
| 1642 | void *p = NULL; |
| 1643 | ulong flags = 0; |
| 1644 | |
| 1645 | memset(&msg, 0, MAX_MESSAGE_SIZE*4); |
| 1646 | // get user msg size in u32s |
| 1647 | if(get_user(size, &user_msg[0])){ |
| 1648 | return -EFAULT; |
| 1649 | } |
| 1650 | size = size>>16; |
| 1651 | |
| 1652 | user_reply = &user_msg[size]; |
| 1653 | if(size > MAX_MESSAGE_SIZE){ |
| 1654 | return -EFAULT; |
| 1655 | } |
| 1656 | size *= 4; // Convert to bytes |
| 1657 | |
| 1658 | /* Copy in the user's I2O command */ |
| 1659 | if(copy_from_user(msg, user_msg, size)) { |
| 1660 | return -EFAULT; |
| 1661 | } |
| 1662 | get_user(reply_size, &user_reply[0]); |
| 1663 | reply_size = reply_size>>16; |
| 1664 | if(reply_size > REPLY_FRAME_SIZE){ |
| 1665 | reply_size = REPLY_FRAME_SIZE; |
| 1666 | } |
| 1667 | reply_size *= 4; |
vignesh.babu@wipro.com | ab55220 | 2007-04-16 11:35:38 +0530 | [diff] [blame] | 1668 | reply = kzalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1669 | if(reply == NULL) { |
| 1670 | printk(KERN_WARNING"%s: Could not allocate reply buffer\n",pHba->name); |
| 1671 | return -ENOMEM; |
| 1672 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1673 | sg_offset = (msg[0]>>4)&0xf; |
| 1674 | msg[2] = 0x40000000; // IOCTL context |
| 1675 | msg[3] = (u32)reply; |
| 1676 | memset(sg_list,0, sizeof(sg_list[0])*pHba->sg_tablesize); |
| 1677 | if(sg_offset) { |
| 1678 | // TODO 64bit fix |
| 1679 | struct sg_simple_element *sg = (struct sg_simple_element*) (msg+sg_offset); |
| 1680 | sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element); |
| 1681 | if (sg_count > pHba->sg_tablesize){ |
| 1682 | printk(KERN_DEBUG"%s:IOCTL SG List too large (%u)\n", pHba->name,sg_count); |
| 1683 | kfree (reply); |
| 1684 | return -EINVAL; |
| 1685 | } |
| 1686 | |
| 1687 | for(i = 0; i < sg_count; i++) { |
| 1688 | int sg_size; |
| 1689 | |
| 1690 | if (!(sg[i].flag_count & 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) { |
| 1691 | printk(KERN_DEBUG"%s:Bad SG element %d - not simple (%x)\n",pHba->name,i, sg[i].flag_count); |
| 1692 | rcode = -EINVAL; |
| 1693 | goto cleanup; |
| 1694 | } |
| 1695 | sg_size = sg[i].flag_count & 0xffffff; |
| 1696 | /* Allocate memory for the transfer */ |
| 1697 | p = kmalloc(sg_size, GFP_KERNEL|ADDR32); |
| 1698 | if(!p) { |
| 1699 | printk(KERN_DEBUG"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n", |
| 1700 | pHba->name,sg_size,i,sg_count); |
| 1701 | rcode = -ENOMEM; |
| 1702 | goto cleanup; |
| 1703 | } |
| 1704 | sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame. |
| 1705 | /* Copy in the user's SG buffer if necessary */ |
| 1706 | if(sg[i].flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR*/) { |
| 1707 | // TODO 64bit fix |
| 1708 | if (copy_from_user(p,(void __user *)sg[i].addr_bus, sg_size)) { |
| 1709 | printk(KERN_DEBUG"%s: Could not copy SG buf %d FROM user\n",pHba->name,i); |
| 1710 | rcode = -EFAULT; |
| 1711 | goto cleanup; |
| 1712 | } |
| 1713 | } |
| 1714 | //TODO 64bit fix |
| 1715 | sg[i].addr_bus = (u32)virt_to_bus(p); |
| 1716 | } |
| 1717 | } |
| 1718 | |
| 1719 | do { |
| 1720 | if(pHba->host) |
| 1721 | spin_lock_irqsave(pHba->host->host_lock, flags); |
| 1722 | // This state stops any new commands from enterring the |
| 1723 | // controller while processing the ioctl |
| 1724 | // pHba->state |= DPTI_STATE_IOCTL; |
| 1725 | // We can't set this now - The scsi subsystem sets host_blocked and |
| 1726 | // the queue empties and stops. We need a way to restart the queue |
| 1727 | rcode = adpt_i2o_post_wait(pHba, msg, size, FOREVER); |
| 1728 | if (rcode != 0) |
| 1729 | printk("adpt_i2o_passthru: post wait failed %d %p\n", |
| 1730 | rcode, reply); |
| 1731 | // pHba->state &= ~DPTI_STATE_IOCTL; |
| 1732 | if(pHba->host) |
| 1733 | spin_unlock_irqrestore(pHba->host->host_lock, flags); |
| 1734 | } while(rcode == -ETIMEDOUT); |
| 1735 | |
| 1736 | if(rcode){ |
| 1737 | goto cleanup; |
| 1738 | } |
| 1739 | |
| 1740 | if(sg_offset) { |
| 1741 | /* Copy back the Scatter Gather buffers back to user space */ |
| 1742 | u32 j; |
| 1743 | // TODO 64bit fix |
| 1744 | struct sg_simple_element* sg; |
| 1745 | int sg_size; |
| 1746 | |
| 1747 | // re-acquire the original message to handle correctly the sg copy operation |
| 1748 | memset(&msg, 0, MAX_MESSAGE_SIZE*4); |
| 1749 | // get user msg size in u32s |
| 1750 | if(get_user(size, &user_msg[0])){ |
| 1751 | rcode = -EFAULT; |
| 1752 | goto cleanup; |
| 1753 | } |
| 1754 | size = size>>16; |
| 1755 | size *= 4; |
| 1756 | /* Copy in the user's I2O command */ |
| 1757 | if (copy_from_user (msg, user_msg, size)) { |
| 1758 | rcode = -EFAULT; |
| 1759 | goto cleanup; |
| 1760 | } |
| 1761 | sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element); |
| 1762 | |
| 1763 | // TODO 64bit fix |
| 1764 | sg = (struct sg_simple_element*)(msg + sg_offset); |
| 1765 | for (j = 0; j < sg_count; j++) { |
| 1766 | /* Copy out the SG list to user's buffer if necessary */ |
| 1767 | if(! (sg[j].flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) { |
| 1768 | sg_size = sg[j].flag_count & 0xffffff; |
| 1769 | // TODO 64bit fix |
| 1770 | if (copy_to_user((void __user *)sg[j].addr_bus,sg_list[j], sg_size)) { |
| 1771 | printk(KERN_WARNING"%s: Could not copy %p TO user %x\n",pHba->name, sg_list[j], sg[j].addr_bus); |
| 1772 | rcode = -EFAULT; |
| 1773 | goto cleanup; |
| 1774 | } |
| 1775 | } |
| 1776 | } |
| 1777 | } |
| 1778 | |
| 1779 | /* Copy back the reply to user space */ |
| 1780 | if (reply_size) { |
| 1781 | // we wrote our own values for context - now restore the user supplied ones |
| 1782 | if(copy_from_user(reply+2, user_msg+2, sizeof(u32)*2)) { |
| 1783 | printk(KERN_WARNING"%s: Could not copy message context FROM user\n",pHba->name); |
| 1784 | rcode = -EFAULT; |
| 1785 | } |
| 1786 | if(copy_to_user(user_reply, reply, reply_size)) { |
| 1787 | printk(KERN_WARNING"%s: Could not copy reply TO user\n",pHba->name); |
| 1788 | rcode = -EFAULT; |
| 1789 | } |
| 1790 | } |
| 1791 | |
| 1792 | |
| 1793 | cleanup: |
| 1794 | if (rcode != -ETIME && rcode != -EINTR) |
| 1795 | kfree (reply); |
| 1796 | while(sg_index) { |
| 1797 | if(sg_list[--sg_index]) { |
| 1798 | if (rcode != -ETIME && rcode != -EINTR) |
| 1799 | kfree(sg_list[sg_index]); |
| 1800 | } |
| 1801 | } |
| 1802 | return rcode; |
| 1803 | } |
| 1804 | |
| 1805 | |
| 1806 | /* |
| 1807 | * This routine returns information about the system. This does not effect |
| 1808 | * any logic and if the info is wrong - it doesn't matter. |
| 1809 | */ |
| 1810 | |
| 1811 | /* Get all the info we can not get from kernel services */ |
| 1812 | static int adpt_system_info(void __user *buffer) |
| 1813 | { |
| 1814 | sysInfo_S si; |
| 1815 | |
| 1816 | memset(&si, 0, sizeof(si)); |
| 1817 | |
| 1818 | si.osType = OS_LINUX; |
Adrian Bunk | a4cd16e | 2005-06-25 14:59:01 -0700 | [diff] [blame] | 1819 | si.osMajorVersion = 0; |
| 1820 | si.osMinorVersion = 0; |
| 1821 | si.osRevision = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1822 | si.busType = SI_PCI_BUS; |
| 1823 | si.processorFamily = DPTI_sig.dsProcessorFamily; |
| 1824 | |
| 1825 | #if defined __i386__ |
| 1826 | adpt_i386_info(&si); |
| 1827 | #elif defined (__ia64__) |
| 1828 | adpt_ia64_info(&si); |
| 1829 | #elif defined(__sparc__) |
| 1830 | adpt_sparc_info(&si); |
| 1831 | #elif defined (__alpha__) |
| 1832 | adpt_alpha_info(&si); |
| 1833 | #else |
| 1834 | si.processorType = 0xff ; |
| 1835 | #endif |
| 1836 | if(copy_to_user(buffer, &si, sizeof(si))){ |
| 1837 | printk(KERN_WARNING"dpti: Could not copy buffer TO user\n"); |
| 1838 | return -EFAULT; |
| 1839 | } |
| 1840 | |
| 1841 | return 0; |
| 1842 | } |
| 1843 | |
| 1844 | #if defined __ia64__ |
| 1845 | static void adpt_ia64_info(sysInfo_S* si) |
| 1846 | { |
| 1847 | // This is all the info we need for now |
| 1848 | // We will add more info as our new |
| 1849 | // managmenent utility requires it |
| 1850 | si->processorType = PROC_IA64; |
| 1851 | } |
| 1852 | #endif |
| 1853 | |
| 1854 | |
| 1855 | #if defined __sparc__ |
| 1856 | static void adpt_sparc_info(sysInfo_S* si) |
| 1857 | { |
| 1858 | // This is all the info we need for now |
| 1859 | // We will add more info as our new |
| 1860 | // managmenent utility requires it |
| 1861 | si->processorType = PROC_ULTRASPARC; |
| 1862 | } |
| 1863 | #endif |
| 1864 | |
| 1865 | #if defined __alpha__ |
| 1866 | static void adpt_alpha_info(sysInfo_S* si) |
| 1867 | { |
| 1868 | // This is all the info we need for now |
| 1869 | // We will add more info as our new |
| 1870 | // managmenent utility requires it |
| 1871 | si->processorType = PROC_ALPHA; |
| 1872 | } |
| 1873 | #endif |
| 1874 | |
| 1875 | #if defined __i386__ |
| 1876 | |
| 1877 | static void adpt_i386_info(sysInfo_S* si) |
| 1878 | { |
| 1879 | // This is all the info we need for now |
| 1880 | // We will add more info as our new |
| 1881 | // managmenent utility requires it |
| 1882 | switch (boot_cpu_data.x86) { |
| 1883 | case CPU_386: |
| 1884 | si->processorType = PROC_386; |
| 1885 | break; |
| 1886 | case CPU_486: |
| 1887 | si->processorType = PROC_486; |
| 1888 | break; |
| 1889 | case CPU_586: |
| 1890 | si->processorType = PROC_PENTIUM; |
| 1891 | break; |
| 1892 | default: // Just in case |
| 1893 | si->processorType = PROC_PENTIUM; |
| 1894 | break; |
| 1895 | } |
| 1896 | } |
| 1897 | |
| 1898 | #endif |
| 1899 | |
| 1900 | |
| 1901 | static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, |
| 1902 | ulong arg) |
| 1903 | { |
| 1904 | int minor; |
| 1905 | int error = 0; |
| 1906 | adpt_hba* pHba; |
| 1907 | ulong flags = 0; |
| 1908 | void __user *argp = (void __user *)arg; |
| 1909 | |
| 1910 | minor = iminor(inode); |
| 1911 | if (minor >= DPTI_MAX_HBA){ |
| 1912 | return -ENXIO; |
| 1913 | } |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 1914 | mutex_lock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1915 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
| 1916 | if (pHba->unit == minor) { |
| 1917 | break; /* found adapter */ |
| 1918 | } |
| 1919 | } |
Arjan van de Ven | 0b95067 | 2006-01-11 13:16:10 +0100 | [diff] [blame] | 1920 | mutex_unlock(&adpt_configuration_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1921 | if(pHba == NULL){ |
| 1922 | return -ENXIO; |
| 1923 | } |
| 1924 | |
Nishanth Aravamudan | a9a3047 | 2005-11-07 01:01:20 -0800 | [diff] [blame] | 1925 | while((volatile u32) pHba->state & DPTI_STATE_RESET ) |
| 1926 | schedule_timeout_uninterruptible(2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1927 | |
| 1928 | switch (cmd) { |
| 1929 | // TODO: handle 3 cases |
| 1930 | case DPT_SIGNATURE: |
| 1931 | if (copy_to_user(argp, &DPTI_sig, sizeof(DPTI_sig))) { |
| 1932 | return -EFAULT; |
| 1933 | } |
| 1934 | break; |
| 1935 | case I2OUSRCMD: |
| 1936 | return adpt_i2o_passthru(pHba, argp); |
| 1937 | |
| 1938 | case DPT_CTRLINFO:{ |
| 1939 | drvrHBAinfo_S HbaInfo; |
| 1940 | |
| 1941 | #define FLG_OSD_PCI_VALID 0x0001 |
| 1942 | #define FLG_OSD_DMA 0x0002 |
| 1943 | #define FLG_OSD_I2O 0x0004 |
| 1944 | memset(&HbaInfo, 0, sizeof(HbaInfo)); |
| 1945 | HbaInfo.drvrHBAnum = pHba->unit; |
| 1946 | HbaInfo.baseAddr = (ulong) pHba->base_addr_phys; |
| 1947 | HbaInfo.blinkState = adpt_read_blink_led(pHba); |
| 1948 | HbaInfo.pciBusNum = pHba->pDev->bus->number; |
| 1949 | HbaInfo.pciDeviceNum=PCI_SLOT(pHba->pDev->devfn); |
| 1950 | HbaInfo.Interrupt = pHba->pDev->irq; |
| 1951 | HbaInfo.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O; |
| 1952 | if(copy_to_user(argp, &HbaInfo, sizeof(HbaInfo))){ |
| 1953 | printk(KERN_WARNING"%s: Could not copy HbaInfo TO user\n",pHba->name); |
| 1954 | return -EFAULT; |
| 1955 | } |
| 1956 | break; |
| 1957 | } |
| 1958 | case DPT_SYSINFO: |
| 1959 | return adpt_system_info(argp); |
| 1960 | case DPT_BLINKLED:{ |
| 1961 | u32 value; |
| 1962 | value = (u32)adpt_read_blink_led(pHba); |
| 1963 | if (copy_to_user(argp, &value, sizeof(value))) { |
| 1964 | return -EFAULT; |
| 1965 | } |
| 1966 | break; |
| 1967 | } |
| 1968 | case I2ORESETCMD: |
| 1969 | if(pHba->host) |
| 1970 | spin_lock_irqsave(pHba->host->host_lock, flags); |
| 1971 | adpt_hba_reset(pHba); |
| 1972 | if(pHba->host) |
| 1973 | spin_unlock_irqrestore(pHba->host->host_lock, flags); |
| 1974 | break; |
| 1975 | case I2ORESCANCMD: |
| 1976 | adpt_rescan(pHba); |
| 1977 | break; |
| 1978 | default: |
| 1979 | return -EINVAL; |
| 1980 | } |
| 1981 | |
| 1982 | return error; |
| 1983 | } |
| 1984 | |
| 1985 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 1986 | static irqreturn_t adpt_isr(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1987 | { |
| 1988 | struct scsi_cmnd* cmd; |
| 1989 | adpt_hba* pHba = dev_id; |
| 1990 | u32 m; |
Benoit Boissinot | 1c2fb3f | 2005-04-25 19:46:48 -0700 | [diff] [blame] | 1991 | void __iomem *reply; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1992 | u32 status=0; |
| 1993 | u32 context; |
| 1994 | ulong flags = 0; |
| 1995 | int handled = 0; |
| 1996 | |
| 1997 | if (pHba == NULL){ |
| 1998 | printk(KERN_WARNING"adpt_isr: NULL dev_id\n"); |
| 1999 | return IRQ_NONE; |
| 2000 | } |
| 2001 | if(pHba->host) |
| 2002 | spin_lock_irqsave(pHba->host->host_lock, flags); |
| 2003 | |
| 2004 | while( readl(pHba->irq_mask) & I2O_INTERRUPT_PENDING_B) { |
| 2005 | m = readl(pHba->reply_port); |
| 2006 | if(m == EMPTY_QUEUE){ |
| 2007 | // Try twice then give up |
| 2008 | rmb(); |
| 2009 | m = readl(pHba->reply_port); |
| 2010 | if(m == EMPTY_QUEUE){ |
| 2011 | // This really should not happen |
| 2012 | printk(KERN_ERR"dpti: Could not get reply frame\n"); |
| 2013 | goto out; |
| 2014 | } |
| 2015 | } |
Benoit Boissinot | 1c2fb3f | 2005-04-25 19:46:48 -0700 | [diff] [blame] | 2016 | reply = bus_to_virt(m); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2017 | |
| 2018 | if (readl(reply) & MSG_FAIL) { |
| 2019 | u32 old_m = readl(reply+28); |
Benoit Boissinot | 1c2fb3f | 2005-04-25 19:46:48 -0700 | [diff] [blame] | 2020 | void __iomem *msg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2021 | u32 old_context; |
| 2022 | PDEBUG("%s: Failed message\n",pHba->name); |
| 2023 | if(old_m >= 0x100000){ |
| 2024 | printk(KERN_ERR"%s: Bad preserved MFA (%x)- dropping frame\n",pHba->name,old_m); |
| 2025 | writel(m,pHba->reply_port); |
| 2026 | continue; |
| 2027 | } |
| 2028 | // Transaction context is 0 in failed reply frame |
Benoit Boissinot | 1c2fb3f | 2005-04-25 19:46:48 -0700 | [diff] [blame] | 2029 | msg = pHba->msg_addr_virt + old_m; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2030 | old_context = readl(msg+12); |
| 2031 | writel(old_context, reply+12); |
| 2032 | adpt_send_nop(pHba, old_m); |
| 2033 | } |
| 2034 | context = readl(reply+8); |
| 2035 | if(context & 0x40000000){ // IOCTL |
Benoit Boissinot | 1c2fb3f | 2005-04-25 19:46:48 -0700 | [diff] [blame] | 2036 | void *p = (void *)readl(reply+12); |
| 2037 | if( p != NULL) { |
| 2038 | memcpy_fromio(p, reply, REPLY_FRAME_SIZE * 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2039 | } |
| 2040 | // All IOCTLs will also be post wait |
| 2041 | } |
| 2042 | if(context & 0x80000000){ // Post wait message |
| 2043 | status = readl(reply+16); |
| 2044 | if(status >> 24){ |
| 2045 | status &= 0xffff; /* Get detail status */ |
| 2046 | } else { |
| 2047 | status = I2O_POST_WAIT_OK; |
| 2048 | } |
| 2049 | if(!(context & 0x40000000)) { |
| 2050 | cmd = (struct scsi_cmnd*) readl(reply+12); |
| 2051 | if(cmd != NULL) { |
| 2052 | printk(KERN_WARNING"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba->name, cmd, context); |
| 2053 | } |
| 2054 | } |
| 2055 | adpt_i2o_post_wait_complete(context, status); |
| 2056 | } else { // SCSI message |
| 2057 | cmd = (struct scsi_cmnd*) readl(reply+12); |
| 2058 | if(cmd != NULL){ |
| 2059 | if(cmd->serial_number != 0) { // If not timedout |
| 2060 | adpt_i2o_to_scsi(reply, cmd); |
| 2061 | } |
| 2062 | } |
| 2063 | } |
| 2064 | writel(m, pHba->reply_port); |
| 2065 | wmb(); |
| 2066 | rmb(); |
| 2067 | } |
| 2068 | handled = 1; |
| 2069 | out: if(pHba->host) |
| 2070 | spin_unlock_irqrestore(pHba->host->host_lock, flags); |
| 2071 | return IRQ_RETVAL(handled); |
| 2072 | } |
| 2073 | |
| 2074 | static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* d) |
| 2075 | { |
| 2076 | int i; |
| 2077 | u32 msg[MAX_MESSAGE_SIZE]; |
| 2078 | u32* mptr; |
| 2079 | u32 *lenptr; |
| 2080 | int direction; |
| 2081 | int scsidir; |
| 2082 | u32 len; |
| 2083 | u32 reqlen; |
| 2084 | s32 rcode; |
| 2085 | |
| 2086 | memset(msg, 0 , sizeof(msg)); |
| 2087 | len = cmd->request_bufflen; |
| 2088 | direction = 0x00000000; |
| 2089 | |
| 2090 | scsidir = 0x00000000; // DATA NO XFER |
| 2091 | if(len) { |
| 2092 | /* |
| 2093 | * Set SCBFlags to indicate if data is being transferred |
| 2094 | * in or out, or no data transfer |
| 2095 | * Note: Do not have to verify index is less than 0 since |
| 2096 | * cmd->cmnd[0] is an unsigned char |
| 2097 | */ |
| 2098 | switch(cmd->sc_data_direction){ |
| 2099 | case DMA_FROM_DEVICE: |
| 2100 | scsidir =0x40000000; // DATA IN (iop<--dev) |
| 2101 | break; |
| 2102 | case DMA_TO_DEVICE: |
| 2103 | direction=0x04000000; // SGL OUT |
| 2104 | scsidir =0x80000000; // DATA OUT (iop-->dev) |
| 2105 | break; |
| 2106 | case DMA_NONE: |
| 2107 | break; |
| 2108 | case DMA_BIDIRECTIONAL: |
| 2109 | scsidir =0x40000000; // DATA IN (iop<--dev) |
| 2110 | // Assume In - and continue; |
| 2111 | break; |
| 2112 | default: |
| 2113 | printk(KERN_WARNING"%s: scsi opcode 0x%x not supported.\n", |
| 2114 | pHba->name, cmd->cmnd[0]); |
| 2115 | cmd->result = (DID_OK <<16) | (INITIATOR_ERROR << 8); |
| 2116 | cmd->scsi_done(cmd); |
| 2117 | return 0; |
| 2118 | } |
| 2119 | } |
| 2120 | // msg[0] is set later |
| 2121 | // I2O_CMD_SCSI_EXEC |
| 2122 | msg[1] = ((0xff<<24)|(HOST_TID<<12)|d->tid); |
| 2123 | msg[2] = 0; |
| 2124 | msg[3] = (u32)cmd; /* We want the SCSI control block back */ |
| 2125 | // Our cards use the transaction context as the tag for queueing |
| 2126 | // Adaptec/DPT Private stuff |
| 2127 | msg[4] = I2O_CMD_SCSI_EXEC|(DPT_ORGANIZATION_ID<<16); |
| 2128 | msg[5] = d->tid; |
| 2129 | /* Direction, disconnect ok | sense data | simple queue , CDBLen */ |
| 2130 | // I2O_SCB_FLAG_ENABLE_DISCONNECT | |
| 2131 | // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG | |
| 2132 | // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE; |
| 2133 | msg[6] = scsidir|0x20a00000|cmd->cmd_len; |
| 2134 | |
| 2135 | mptr=msg+7; |
| 2136 | |
| 2137 | // Write SCSI command into the message - always 16 byte block |
| 2138 | memset(mptr, 0, 16); |
| 2139 | memcpy(mptr, cmd->cmnd, cmd->cmd_len); |
| 2140 | mptr+=4; |
| 2141 | lenptr=mptr++; /* Remember me - fill in when we know */ |
| 2142 | reqlen = 14; // SINGLE SGE |
| 2143 | /* Now fill in the SGList and command */ |
| 2144 | if(cmd->use_sg) { |
| 2145 | struct scatterlist *sg = (struct scatterlist *)cmd->request_buffer; |
| 2146 | int sg_count = pci_map_sg(pHba->pDev, sg, cmd->use_sg, |
| 2147 | cmd->sc_data_direction); |
| 2148 | |
| 2149 | |
| 2150 | len = 0; |
| 2151 | for(i = 0 ; i < sg_count; i++) { |
| 2152 | *mptr++ = direction|0x10000000|sg_dma_len(sg); |
| 2153 | len+=sg_dma_len(sg); |
| 2154 | *mptr++ = sg_dma_address(sg); |
| 2155 | sg++; |
| 2156 | } |
| 2157 | /* Make this an end of list */ |
| 2158 | mptr[-2] = direction|0xD0000000|sg_dma_len(sg-1); |
| 2159 | reqlen = mptr - msg; |
| 2160 | *lenptr = len; |
| 2161 | |
| 2162 | if(cmd->underflow && len != cmd->underflow){ |
| 2163 | printk(KERN_WARNING"Cmd len %08X Cmd underflow %08X\n", |
| 2164 | len, cmd->underflow); |
| 2165 | } |
| 2166 | } else { |
| 2167 | *lenptr = len = cmd->request_bufflen; |
| 2168 | if(len == 0) { |
| 2169 | reqlen = 12; |
| 2170 | } else { |
| 2171 | *mptr++ = 0xD0000000|direction|cmd->request_bufflen; |
| 2172 | *mptr++ = pci_map_single(pHba->pDev, |
| 2173 | cmd->request_buffer, |
| 2174 | cmd->request_bufflen, |
| 2175 | cmd->sc_data_direction); |
| 2176 | } |
| 2177 | } |
| 2178 | |
| 2179 | /* Stick the headers on */ |
| 2180 | msg[0] = reqlen<<16 | ((reqlen > 12) ? SGL_OFFSET_12 : SGL_OFFSET_0); |
| 2181 | |
| 2182 | // Send it on it's way |
| 2183 | rcode = adpt_i2o_post_this(pHba, msg, reqlen<<2); |
| 2184 | if (rcode == 0) { |
| 2185 | return 0; |
| 2186 | } |
| 2187 | return rcode; |
| 2188 | } |
| 2189 | |
| 2190 | |
| 2191 | static s32 adpt_scsi_register(adpt_hba* pHba,struct scsi_host_template * sht) |
| 2192 | { |
| 2193 | struct Scsi_Host *host = NULL; |
| 2194 | |
| 2195 | host = scsi_register(sht, sizeof(adpt_hba*)); |
| 2196 | if (host == NULL) { |
| 2197 | printk ("%s: scsi_register returned NULL\n",pHba->name); |
| 2198 | return -1; |
| 2199 | } |
| 2200 | host->hostdata[0] = (unsigned long)pHba; |
| 2201 | pHba->host = host; |
| 2202 | |
| 2203 | host->irq = pHba->pDev->irq; |
| 2204 | /* no IO ports, so don't have to set host->io_port and |
| 2205 | * host->n_io_port |
| 2206 | */ |
| 2207 | host->io_port = 0; |
| 2208 | host->n_io_port = 0; |
Henne | de77aaf | 2006-10-04 10:22:09 +0200 | [diff] [blame] | 2209 | /* see comments in scsi_host.h */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2210 | host->max_id = 16; |
| 2211 | host->max_lun = 256; |
| 2212 | host->max_channel = pHba->top_scsi_channel + 1; |
| 2213 | host->cmd_per_lun = 1; |
| 2214 | host->unique_id = (uint) pHba; |
| 2215 | host->sg_tablesize = pHba->sg_tablesize; |
| 2216 | host->can_queue = pHba->post_fifo_size; |
| 2217 | |
| 2218 | return 0; |
| 2219 | } |
| 2220 | |
| 2221 | |
Benoit Boissinot | 1c2fb3f | 2005-04-25 19:46:48 -0700 | [diff] [blame] | 2222 | static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2223 | { |
| 2224 | adpt_hba* pHba; |
| 2225 | u32 hba_status; |
| 2226 | u32 dev_status; |
| 2227 | u32 reply_flags = readl(reply) & 0xff00; // Leave it shifted up 8 bits |
| 2228 | // I know this would look cleaner if I just read bytes |
| 2229 | // but the model I have been using for all the rest of the |
| 2230 | // io is in 4 byte words - so I keep that model |
| 2231 | u16 detailed_status = readl(reply+16) &0xffff; |
| 2232 | dev_status = (detailed_status & 0xff); |
| 2233 | hba_status = detailed_status >> 8; |
| 2234 | |
| 2235 | // calculate resid for sg |
| 2236 | cmd->resid = cmd->request_bufflen - readl(reply+5); |
| 2237 | |
| 2238 | pHba = (adpt_hba*) cmd->device->host->hostdata[0]; |
| 2239 | |
| 2240 | cmd->sense_buffer[0] = '\0'; // initialize sense valid flag to false |
| 2241 | |
| 2242 | if(!(reply_flags & MSG_FAIL)) { |
| 2243 | switch(detailed_status & I2O_SCSI_DSC_MASK) { |
| 2244 | case I2O_SCSI_DSC_SUCCESS: |
| 2245 | cmd->result = (DID_OK << 16); |
| 2246 | // handle underflow |
| 2247 | if(readl(reply+5) < cmd->underflow ) { |
| 2248 | cmd->result = (DID_ERROR <<16); |
| 2249 | printk(KERN_WARNING"%s: SCSI CMD underflow\n",pHba->name); |
| 2250 | } |
| 2251 | break; |
| 2252 | case I2O_SCSI_DSC_REQUEST_ABORTED: |
| 2253 | cmd->result = (DID_ABORT << 16); |
| 2254 | break; |
| 2255 | case I2O_SCSI_DSC_PATH_INVALID: |
| 2256 | case I2O_SCSI_DSC_DEVICE_NOT_PRESENT: |
| 2257 | case I2O_SCSI_DSC_SELECTION_TIMEOUT: |
| 2258 | case I2O_SCSI_DSC_COMMAND_TIMEOUT: |
| 2259 | case I2O_SCSI_DSC_NO_ADAPTER: |
| 2260 | case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE: |
| 2261 | printk(KERN_WARNING"%s: SCSI Timeout-Device (%d,%d,%d) hba status=0x%x, dev status=0x%x, cmd=0x%x\n", |
| 2262 | pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun, hba_status, dev_status, cmd->cmnd[0]); |
| 2263 | cmd->result = (DID_TIME_OUT << 16); |
| 2264 | break; |
| 2265 | case I2O_SCSI_DSC_ADAPTER_BUSY: |
| 2266 | case I2O_SCSI_DSC_BUS_BUSY: |
| 2267 | cmd->result = (DID_BUS_BUSY << 16); |
| 2268 | break; |
| 2269 | case I2O_SCSI_DSC_SCSI_BUS_RESET: |
| 2270 | case I2O_SCSI_DSC_BDR_MESSAGE_SENT: |
| 2271 | cmd->result = (DID_RESET << 16); |
| 2272 | break; |
| 2273 | case I2O_SCSI_DSC_PARITY_ERROR_FAILURE: |
| 2274 | printk(KERN_WARNING"%s: SCSI CMD parity error\n",pHba->name); |
| 2275 | cmd->result = (DID_PARITY << 16); |
| 2276 | break; |
| 2277 | case I2O_SCSI_DSC_UNABLE_TO_ABORT: |
| 2278 | case I2O_SCSI_DSC_COMPLETE_WITH_ERROR: |
| 2279 | case I2O_SCSI_DSC_UNABLE_TO_TERMINATE: |
| 2280 | case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED: |
| 2281 | case I2O_SCSI_DSC_AUTOSENSE_FAILED: |
| 2282 | case I2O_SCSI_DSC_DATA_OVERRUN: |
| 2283 | case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE: |
| 2284 | case I2O_SCSI_DSC_SEQUENCE_FAILURE: |
| 2285 | case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR: |
| 2286 | case I2O_SCSI_DSC_PROVIDE_FAILURE: |
| 2287 | case I2O_SCSI_DSC_REQUEST_TERMINATED: |
| 2288 | case I2O_SCSI_DSC_IDE_MESSAGE_SENT: |
| 2289 | case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT: |
| 2290 | case I2O_SCSI_DSC_MESSAGE_RECEIVED: |
| 2291 | case I2O_SCSI_DSC_INVALID_CDB: |
| 2292 | case I2O_SCSI_DSC_LUN_INVALID: |
| 2293 | case I2O_SCSI_DSC_SCSI_TID_INVALID: |
| 2294 | case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE: |
| 2295 | case I2O_SCSI_DSC_NO_NEXUS: |
| 2296 | case I2O_SCSI_DSC_CDB_RECEIVED: |
| 2297 | case I2O_SCSI_DSC_LUN_ALREADY_ENABLED: |
| 2298 | case I2O_SCSI_DSC_QUEUE_FROZEN: |
| 2299 | case I2O_SCSI_DSC_REQUEST_INVALID: |
| 2300 | default: |
| 2301 | printk(KERN_WARNING"%s: SCSI error %0x-Device(%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n", |
| 2302 | pHba->name, detailed_status & I2O_SCSI_DSC_MASK, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun, |
| 2303 | hba_status, dev_status, cmd->cmnd[0]); |
| 2304 | cmd->result = (DID_ERROR << 16); |
| 2305 | break; |
| 2306 | } |
| 2307 | |
| 2308 | // copy over the request sense data if it was a check |
| 2309 | // condition status |
| 2310 | if(dev_status == 0x02 /*CHECK_CONDITION*/) { |
| 2311 | u32 len = sizeof(cmd->sense_buffer); |
| 2312 | len = (len > 40) ? 40 : len; |
| 2313 | // Copy over the sense data |
Benoit Boissinot | 1c2fb3f | 2005-04-25 19:46:48 -0700 | [diff] [blame] | 2314 | memcpy_fromio(cmd->sense_buffer, (reply+28) , len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2315 | if(cmd->sense_buffer[0] == 0x70 /* class 7 */ && |
| 2316 | cmd->sense_buffer[2] == DATA_PROTECT ){ |
| 2317 | /* This is to handle an array failed */ |
| 2318 | cmd->result = (DID_TIME_OUT << 16); |
| 2319 | printk(KERN_WARNING"%s: SCSI Data Protect-Device (%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n", |
| 2320 | pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun, |
| 2321 | hba_status, dev_status, cmd->cmnd[0]); |
| 2322 | |
| 2323 | } |
| 2324 | } |
| 2325 | } else { |
| 2326 | /* In this condtion we could not talk to the tid |
| 2327 | * the card rejected it. We should signal a retry |
| 2328 | * for a limitted number of retries. |
| 2329 | */ |
| 2330 | cmd->result = (DID_TIME_OUT << 16); |
| 2331 | printk(KERN_WARNING"%s: I2O MSG_FAIL - Device (%d,%d,%d) tid=%d, cmd=0x%x\n", |
| 2332 | pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun, |
| 2333 | ((struct adpt_device*)(cmd->device->hostdata))->tid, cmd->cmnd[0]); |
| 2334 | } |
| 2335 | |
| 2336 | cmd->result |= (dev_status); |
| 2337 | |
| 2338 | if(cmd->scsi_done != NULL){ |
| 2339 | cmd->scsi_done(cmd); |
| 2340 | } |
| 2341 | return cmd->result; |
| 2342 | } |
| 2343 | |
| 2344 | |
| 2345 | static s32 adpt_rescan(adpt_hba* pHba) |
| 2346 | { |
| 2347 | s32 rcode; |
| 2348 | ulong flags = 0; |
| 2349 | |
| 2350 | if(pHba->host) |
| 2351 | spin_lock_irqsave(pHba->host->host_lock, flags); |
| 2352 | if ((rcode=adpt_i2o_lct_get(pHba)) < 0) |
| 2353 | goto out; |
| 2354 | if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0) |
| 2355 | goto out; |
| 2356 | rcode = 0; |
| 2357 | out: if(pHba->host) |
| 2358 | spin_unlock_irqrestore(pHba->host->host_lock, flags); |
| 2359 | return rcode; |
| 2360 | } |
| 2361 | |
| 2362 | |
| 2363 | static s32 adpt_i2o_reparse_lct(adpt_hba* pHba) |
| 2364 | { |
| 2365 | int i; |
| 2366 | int max; |
| 2367 | int tid; |
| 2368 | struct i2o_device *d; |
| 2369 | i2o_lct *lct = pHba->lct; |
| 2370 | u8 bus_no = 0; |
| 2371 | s16 scsi_id; |
| 2372 | s16 scsi_lun; |
| 2373 | u32 buf[10]; // at least 8 u32's |
| 2374 | struct adpt_device* pDev = NULL; |
| 2375 | struct i2o_device* pI2o_dev = NULL; |
| 2376 | |
| 2377 | if (lct == NULL) { |
| 2378 | printk(KERN_ERR "%s: LCT is empty???\n",pHba->name); |
| 2379 | return -1; |
| 2380 | } |
| 2381 | |
| 2382 | max = lct->table_size; |
| 2383 | max -= 3; |
| 2384 | max /= 9; |
| 2385 | |
| 2386 | // Mark each drive as unscanned |
| 2387 | for (d = pHba->devices; d; d = d->next) { |
| 2388 | pDev =(struct adpt_device*) d->owner; |
| 2389 | if(!pDev){ |
| 2390 | continue; |
| 2391 | } |
| 2392 | pDev->state |= DPTI_DEV_UNSCANNED; |
| 2393 | } |
| 2394 | |
| 2395 | printk(KERN_INFO "%s: LCT has %d entries.\n", pHba->name,max); |
| 2396 | |
| 2397 | for(i=0;i<max;i++) { |
| 2398 | if( lct->lct_entry[i].user_tid != 0xfff){ |
| 2399 | continue; |
| 2400 | } |
| 2401 | |
| 2402 | if( lct->lct_entry[i].class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE || |
| 2403 | lct->lct_entry[i].class_id == I2O_CLASS_SCSI_PERIPHERAL || |
| 2404 | lct->lct_entry[i].class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){ |
| 2405 | tid = lct->lct_entry[i].tid; |
| 2406 | if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) { |
| 2407 | printk(KERN_ERR"%s: Could not query device\n",pHba->name); |
| 2408 | continue; |
| 2409 | } |
| 2410 | bus_no = buf[0]>>16; |
| 2411 | scsi_id = buf[1]; |
| 2412 | scsi_lun = (buf[2]>>8 )&0xff; |
| 2413 | pDev = pHba->channel[bus_no].device[scsi_id]; |
| 2414 | /* da lun */ |
| 2415 | while(pDev) { |
| 2416 | if(pDev->scsi_lun == scsi_lun) { |
| 2417 | break; |
| 2418 | } |
| 2419 | pDev = pDev->next_lun; |
| 2420 | } |
| 2421 | if(!pDev ) { // Something new add it |
Robert P. J. Day | 5cbded5 | 2006-12-13 00:35:56 -0800 | [diff] [blame] | 2422 | d = kmalloc(sizeof(struct i2o_device), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2423 | if(d==NULL) |
| 2424 | { |
| 2425 | printk(KERN_CRIT "Out of memory for I2O device data.\n"); |
| 2426 | return -ENOMEM; |
| 2427 | } |
| 2428 | |
Benoit Boissinot | 1c2fb3f | 2005-04-25 19:46:48 -0700 | [diff] [blame] | 2429 | d->controller = pHba; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2430 | d->next = NULL; |
| 2431 | |
| 2432 | memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry)); |
| 2433 | |
| 2434 | d->flags = 0; |
| 2435 | adpt_i2o_report_hba_unit(pHba, d); |
| 2436 | adpt_i2o_install_device(pHba, d); |
| 2437 | |
| 2438 | if(bus_no >= MAX_CHANNEL) { // Something wrong skip it |
| 2439 | printk(KERN_WARNING"%s: Channel number %d out of range \n", pHba->name, bus_no); |
| 2440 | continue; |
| 2441 | } |
| 2442 | pDev = pHba->channel[bus_no].device[scsi_id]; |
| 2443 | if( pDev == NULL){ |
vignesh.babu@wipro.com | ab55220 | 2007-04-16 11:35:38 +0530 | [diff] [blame] | 2444 | pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2445 | if(pDev == NULL) { |
| 2446 | return -ENOMEM; |
| 2447 | } |
| 2448 | pHba->channel[bus_no].device[scsi_id] = pDev; |
| 2449 | } else { |
| 2450 | while (pDev->next_lun) { |
| 2451 | pDev = pDev->next_lun; |
| 2452 | } |
vignesh.babu@wipro.com | ab55220 | 2007-04-16 11:35:38 +0530 | [diff] [blame] | 2453 | pDev = pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2454 | if(pDev == NULL) { |
| 2455 | return -ENOMEM; |
| 2456 | } |
| 2457 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2458 | pDev->tid = d->lct_data.tid; |
| 2459 | pDev->scsi_channel = bus_no; |
| 2460 | pDev->scsi_id = scsi_id; |
| 2461 | pDev->scsi_lun = scsi_lun; |
| 2462 | pDev->pI2o_dev = d; |
| 2463 | d->owner = pDev; |
| 2464 | pDev->type = (buf[0])&0xff; |
| 2465 | pDev->flags = (buf[0]>>8)&0xff; |
| 2466 | // Too late, SCSI system has made up it's mind, but what the hey ... |
| 2467 | if(scsi_id > pHba->top_scsi_id){ |
| 2468 | pHba->top_scsi_id = scsi_id; |
| 2469 | } |
| 2470 | if(scsi_lun > pHba->top_scsi_lun){ |
| 2471 | pHba->top_scsi_lun = scsi_lun; |
| 2472 | } |
| 2473 | continue; |
| 2474 | } // end of new i2o device |
| 2475 | |
| 2476 | // We found an old device - check it |
| 2477 | while(pDev) { |
| 2478 | if(pDev->scsi_lun == scsi_lun) { |
| 2479 | if(!scsi_device_online(pDev->pScsi_dev)) { |
| 2480 | printk(KERN_WARNING"%s: Setting device (%d,%d,%d) back online\n", |
| 2481 | pHba->name,bus_no,scsi_id,scsi_lun); |
| 2482 | if (pDev->pScsi_dev) { |
| 2483 | scsi_device_set_state(pDev->pScsi_dev, SDEV_RUNNING); |
| 2484 | } |
| 2485 | } |
| 2486 | d = pDev->pI2o_dev; |
| 2487 | if(d->lct_data.tid != tid) { // something changed |
| 2488 | pDev->tid = tid; |
| 2489 | memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry)); |
| 2490 | if (pDev->pScsi_dev) { |
| 2491 | pDev->pScsi_dev->changed = TRUE; |
| 2492 | pDev->pScsi_dev->removable = TRUE; |
| 2493 | } |
| 2494 | } |
| 2495 | // Found it - mark it scanned |
| 2496 | pDev->state = DPTI_DEV_ONLINE; |
| 2497 | break; |
| 2498 | } |
| 2499 | pDev = pDev->next_lun; |
| 2500 | } |
| 2501 | } |
| 2502 | } |
| 2503 | for (pI2o_dev = pHba->devices; pI2o_dev; pI2o_dev = pI2o_dev->next) { |
| 2504 | pDev =(struct adpt_device*) pI2o_dev->owner; |
| 2505 | if(!pDev){ |
| 2506 | continue; |
| 2507 | } |
| 2508 | // Drive offline drives that previously existed but could not be found |
| 2509 | // in the LCT table |
| 2510 | if (pDev->state & DPTI_DEV_UNSCANNED){ |
| 2511 | pDev->state = DPTI_DEV_OFFLINE; |
| 2512 | printk(KERN_WARNING"%s: Device (%d,%d,%d) offline\n",pHba->name,pDev->scsi_channel,pDev->scsi_id,pDev->scsi_lun); |
| 2513 | if (pDev->pScsi_dev) { |
| 2514 | scsi_device_set_state(pDev->pScsi_dev, SDEV_OFFLINE); |
| 2515 | } |
| 2516 | } |
| 2517 | } |
| 2518 | return 0; |
| 2519 | } |
| 2520 | |
| 2521 | static void adpt_fail_posted_scbs(adpt_hba* pHba) |
| 2522 | { |
| 2523 | struct scsi_cmnd* cmd = NULL; |
| 2524 | struct scsi_device* d = NULL; |
| 2525 | |
| 2526 | shost_for_each_device(d, pHba->host) { |
| 2527 | unsigned long flags; |
| 2528 | spin_lock_irqsave(&d->list_lock, flags); |
| 2529 | list_for_each_entry(cmd, &d->cmd_list, list) { |
| 2530 | if(cmd->serial_number == 0){ |
| 2531 | continue; |
| 2532 | } |
| 2533 | cmd->result = (DID_OK << 16) | (QUEUE_FULL <<1); |
| 2534 | cmd->scsi_done(cmd); |
| 2535 | } |
| 2536 | spin_unlock_irqrestore(&d->list_lock, flags); |
| 2537 | } |
| 2538 | } |
| 2539 | |
| 2540 | |
| 2541 | /*============================================================================ |
| 2542 | * Routines from i2o subsystem |
| 2543 | *============================================================================ |
| 2544 | */ |
| 2545 | |
| 2546 | |
| 2547 | |
| 2548 | /* |
| 2549 | * Bring an I2O controller into HOLD state. See the spec. |
| 2550 | */ |
| 2551 | static int adpt_i2o_activate_hba(adpt_hba* pHba) |
| 2552 | { |
| 2553 | int rcode; |
| 2554 | |
| 2555 | if(pHba->initialized ) { |
| 2556 | if (adpt_i2o_status_get(pHba) < 0) { |
| 2557 | if((rcode = adpt_i2o_reset_hba(pHba)) != 0){ |
| 2558 | printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name); |
| 2559 | return rcode; |
| 2560 | } |
| 2561 | if (adpt_i2o_status_get(pHba) < 0) { |
| 2562 | printk(KERN_INFO "HBA not responding.\n"); |
| 2563 | return -1; |
| 2564 | } |
| 2565 | } |
| 2566 | |
| 2567 | if(pHba->status_block->iop_state == ADAPTER_STATE_FAULTED) { |
| 2568 | printk(KERN_CRIT "%s: hardware fault\n", pHba->name); |
| 2569 | return -1; |
| 2570 | } |
| 2571 | |
| 2572 | if (pHba->status_block->iop_state == ADAPTER_STATE_READY || |
| 2573 | pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL || |
| 2574 | pHba->status_block->iop_state == ADAPTER_STATE_HOLD || |
| 2575 | pHba->status_block->iop_state == ADAPTER_STATE_FAILED) { |
| 2576 | adpt_i2o_reset_hba(pHba); |
| 2577 | if (adpt_i2o_status_get(pHba) < 0 || pHba->status_block->iop_state != ADAPTER_STATE_RESET) { |
| 2578 | printk(KERN_ERR "%s: Failed to initialize.\n", pHba->name); |
| 2579 | return -1; |
| 2580 | } |
| 2581 | } |
| 2582 | } else { |
| 2583 | if((rcode = adpt_i2o_reset_hba(pHba)) != 0){ |
| 2584 | printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name); |
| 2585 | return rcode; |
| 2586 | } |
| 2587 | |
| 2588 | } |
| 2589 | |
| 2590 | if (adpt_i2o_init_outbound_q(pHba) < 0) { |
| 2591 | return -1; |
| 2592 | } |
| 2593 | |
| 2594 | /* In HOLD state */ |
| 2595 | |
| 2596 | if (adpt_i2o_hrt_get(pHba) < 0) { |
| 2597 | return -1; |
| 2598 | } |
| 2599 | |
| 2600 | return 0; |
| 2601 | } |
| 2602 | |
| 2603 | /* |
| 2604 | * Bring a controller online into OPERATIONAL state. |
| 2605 | */ |
| 2606 | |
| 2607 | static int adpt_i2o_online_hba(adpt_hba* pHba) |
| 2608 | { |
| 2609 | if (adpt_i2o_systab_send(pHba) < 0) { |
| 2610 | adpt_i2o_delete_hba(pHba); |
| 2611 | return -1; |
| 2612 | } |
| 2613 | /* In READY state */ |
| 2614 | |
| 2615 | if (adpt_i2o_enable_hba(pHba) < 0) { |
| 2616 | adpt_i2o_delete_hba(pHba); |
| 2617 | return -1; |
| 2618 | } |
| 2619 | |
| 2620 | /* In OPERATIONAL state */ |
| 2621 | return 0; |
| 2622 | } |
| 2623 | |
| 2624 | static s32 adpt_send_nop(adpt_hba*pHba,u32 m) |
| 2625 | { |
| 2626 | u32 __iomem *msg; |
| 2627 | ulong timeout = jiffies + 5*HZ; |
| 2628 | |
| 2629 | while(m == EMPTY_QUEUE){ |
| 2630 | rmb(); |
| 2631 | m = readl(pHba->post_port); |
| 2632 | if(m != EMPTY_QUEUE){ |
| 2633 | break; |
| 2634 | } |
| 2635 | if(time_after(jiffies,timeout)){ |
| 2636 | printk(KERN_ERR "%s: Timeout waiting for message frame!\n",pHba->name); |
| 2637 | return 2; |
| 2638 | } |
Nishanth Aravamudan | a9a3047 | 2005-11-07 01:01:20 -0800 | [diff] [blame] | 2639 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2640 | } |
| 2641 | msg = (u32 __iomem *)(pHba->msg_addr_virt + m); |
| 2642 | writel( THREE_WORD_MSG_SIZE | SGL_OFFSET_0,&msg[0]); |
| 2643 | writel( I2O_CMD_UTIL_NOP << 24 | HOST_TID << 12 | 0,&msg[1]); |
| 2644 | writel( 0,&msg[2]); |
| 2645 | wmb(); |
| 2646 | |
| 2647 | writel(m, pHba->post_port); |
| 2648 | wmb(); |
| 2649 | return 0; |
| 2650 | } |
| 2651 | |
| 2652 | static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba) |
| 2653 | { |
| 2654 | u8 *status; |
| 2655 | u32 __iomem *msg = NULL; |
| 2656 | int i; |
| 2657 | ulong timeout = jiffies + TMOUT_INITOUTBOUND*HZ; |
| 2658 | u32* ptr; |
| 2659 | u32 outbound_frame; // This had to be a 32 bit address |
| 2660 | u32 m; |
| 2661 | |
| 2662 | do { |
| 2663 | rmb(); |
| 2664 | m = readl(pHba->post_port); |
| 2665 | if (m != EMPTY_QUEUE) { |
| 2666 | break; |
| 2667 | } |
| 2668 | |
| 2669 | if(time_after(jiffies,timeout)){ |
| 2670 | printk(KERN_WARNING"%s: Timeout waiting for message frame\n",pHba->name); |
| 2671 | return -ETIMEDOUT; |
| 2672 | } |
Nishanth Aravamudan | a9a3047 | 2005-11-07 01:01:20 -0800 | [diff] [blame] | 2673 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2674 | } while(m == EMPTY_QUEUE); |
| 2675 | |
| 2676 | msg=(u32 __iomem *)(pHba->msg_addr_virt+m); |
| 2677 | |
| 2678 | status = kmalloc(4,GFP_KERNEL|ADDR32); |
| 2679 | if (status==NULL) { |
| 2680 | adpt_send_nop(pHba, m); |
| 2681 | printk(KERN_WARNING"%s: IOP reset failed - no free memory.\n", |
| 2682 | pHba->name); |
| 2683 | return -ENOMEM; |
| 2684 | } |
| 2685 | memset(status, 0, 4); |
| 2686 | |
| 2687 | writel(EIGHT_WORD_MSG_SIZE| SGL_OFFSET_6, &msg[0]); |
| 2688 | writel(I2O_CMD_OUTBOUND_INIT<<24 | HOST_TID<<12 | ADAPTER_TID, &msg[1]); |
| 2689 | writel(0, &msg[2]); |
| 2690 | writel(0x0106, &msg[3]); /* Transaction context */ |
| 2691 | writel(4096, &msg[4]); /* Host page frame size */ |
| 2692 | writel((REPLY_FRAME_SIZE)<<16|0x80, &msg[5]); /* Outbound msg frame size and Initcode */ |
| 2693 | writel(0xD0000004, &msg[6]); /* Simple SG LE, EOB */ |
| 2694 | writel(virt_to_bus(status), &msg[7]); |
| 2695 | |
| 2696 | writel(m, pHba->post_port); |
| 2697 | wmb(); |
| 2698 | |
| 2699 | // Wait for the reply status to come back |
| 2700 | do { |
| 2701 | if (*status) { |
| 2702 | if (*status != 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) { |
| 2703 | break; |
| 2704 | } |
| 2705 | } |
| 2706 | rmb(); |
| 2707 | if(time_after(jiffies,timeout)){ |
| 2708 | printk(KERN_WARNING"%s: Timeout Initializing\n",pHba->name); |
| 2709 | return -ETIMEDOUT; |
| 2710 | } |
Nishanth Aravamudan | a9a3047 | 2005-11-07 01:01:20 -0800 | [diff] [blame] | 2711 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2712 | } while (1); |
| 2713 | |
| 2714 | // If the command was successful, fill the fifo with our reply |
| 2715 | // message packets |
| 2716 | if(*status != 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) { |
Jesper Juhl | c9475cb | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 2717 | kfree(status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2718 | return -2; |
| 2719 | } |
Jesper Juhl | c9475cb | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 2720 | kfree(status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2721 | |
Jesper Juhl | c9475cb | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 2722 | kfree(pHba->reply_pool); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2723 | |
Robert P. J. Day | 5cbded5 | 2006-12-13 00:35:56 -0800 | [diff] [blame] | 2724 | pHba->reply_pool = kmalloc(pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4, GFP_KERNEL|ADDR32); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2725 | if(!pHba->reply_pool){ |
| 2726 | printk(KERN_ERR"%s: Could not allocate reply pool\n",pHba->name); |
| 2727 | return -1; |
| 2728 | } |
| 2729 | memset(pHba->reply_pool, 0 , pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4); |
| 2730 | |
| 2731 | ptr = pHba->reply_pool; |
| 2732 | for(i = 0; i < pHba->reply_fifo_size; i++) { |
| 2733 | outbound_frame = (u32)virt_to_bus(ptr); |
| 2734 | writel(outbound_frame, pHba->reply_port); |
| 2735 | wmb(); |
| 2736 | ptr += REPLY_FRAME_SIZE; |
| 2737 | } |
| 2738 | adpt_i2o_status_get(pHba); |
| 2739 | return 0; |
| 2740 | } |
| 2741 | |
| 2742 | |
| 2743 | /* |
| 2744 | * I2O System Table. Contains information about |
| 2745 | * all the IOPs in the system. Used to inform IOPs |
| 2746 | * about each other's existence. |
| 2747 | * |
| 2748 | * sys_tbl_ver is the CurrentChangeIndicator that is |
| 2749 | * used by IOPs to track changes. |
| 2750 | */ |
| 2751 | |
| 2752 | |
| 2753 | |
| 2754 | static s32 adpt_i2o_status_get(adpt_hba* pHba) |
| 2755 | { |
| 2756 | ulong timeout; |
| 2757 | u32 m; |
| 2758 | u32 __iomem *msg; |
| 2759 | u8 *status_block=NULL; |
| 2760 | ulong status_block_bus; |
| 2761 | |
| 2762 | if(pHba->status_block == NULL) { |
| 2763 | pHba->status_block = (i2o_status_block*) |
| 2764 | kmalloc(sizeof(i2o_status_block),GFP_KERNEL|ADDR32); |
| 2765 | if(pHba->status_block == NULL) { |
| 2766 | printk(KERN_ERR |
| 2767 | "dpti%d: Get Status Block failed; Out of memory. \n", |
| 2768 | pHba->unit); |
| 2769 | return -ENOMEM; |
| 2770 | } |
| 2771 | } |
| 2772 | memset(pHba->status_block, 0, sizeof(i2o_status_block)); |
| 2773 | status_block = (u8*)(pHba->status_block); |
| 2774 | status_block_bus = virt_to_bus(pHba->status_block); |
| 2775 | timeout = jiffies+TMOUT_GETSTATUS*HZ; |
| 2776 | do { |
| 2777 | rmb(); |
| 2778 | m = readl(pHba->post_port); |
| 2779 | if (m != EMPTY_QUEUE) { |
| 2780 | break; |
| 2781 | } |
| 2782 | if(time_after(jiffies,timeout)){ |
| 2783 | printk(KERN_ERR "%s: Timeout waiting for message !\n", |
| 2784 | pHba->name); |
| 2785 | return -ETIMEDOUT; |
| 2786 | } |
Nishanth Aravamudan | a9a3047 | 2005-11-07 01:01:20 -0800 | [diff] [blame] | 2787 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2788 | } while(m==EMPTY_QUEUE); |
| 2789 | |
| 2790 | |
| 2791 | msg=(u32 __iomem *)(pHba->msg_addr_virt+m); |
| 2792 | |
| 2793 | writel(NINE_WORD_MSG_SIZE|SGL_OFFSET_0, &msg[0]); |
| 2794 | writel(I2O_CMD_STATUS_GET<<24|HOST_TID<<12|ADAPTER_TID, &msg[1]); |
| 2795 | writel(1, &msg[2]); |
| 2796 | writel(0, &msg[3]); |
| 2797 | writel(0, &msg[4]); |
| 2798 | writel(0, &msg[5]); |
| 2799 | writel(((u32)status_block_bus)&0xffffffff, &msg[6]); |
| 2800 | writel(0, &msg[7]); |
| 2801 | writel(sizeof(i2o_status_block), &msg[8]); // 88 bytes |
| 2802 | |
| 2803 | //post message |
| 2804 | writel(m, pHba->post_port); |
| 2805 | wmb(); |
| 2806 | |
| 2807 | while(status_block[87]!=0xff){ |
| 2808 | if(time_after(jiffies,timeout)){ |
| 2809 | printk(KERN_ERR"dpti%d: Get status timeout.\n", |
| 2810 | pHba->unit); |
| 2811 | return -ETIMEDOUT; |
| 2812 | } |
| 2813 | rmb(); |
Nishanth Aravamudan | a9a3047 | 2005-11-07 01:01:20 -0800 | [diff] [blame] | 2814 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2815 | } |
| 2816 | |
| 2817 | // Set up our number of outbound and inbound messages |
| 2818 | pHba->post_fifo_size = pHba->status_block->max_inbound_frames; |
| 2819 | if (pHba->post_fifo_size > MAX_TO_IOP_MESSAGES) { |
| 2820 | pHba->post_fifo_size = MAX_TO_IOP_MESSAGES; |
| 2821 | } |
| 2822 | |
| 2823 | pHba->reply_fifo_size = pHba->status_block->max_outbound_frames; |
| 2824 | if (pHba->reply_fifo_size > MAX_FROM_IOP_MESSAGES) { |
| 2825 | pHba->reply_fifo_size = MAX_FROM_IOP_MESSAGES; |
| 2826 | } |
| 2827 | |
| 2828 | // Calculate the Scatter Gather list size |
| 2829 | pHba->sg_tablesize = (pHba->status_block->inbound_frame_size * 4 -40)/ sizeof(struct sg_simple_element); |
| 2830 | if (pHba->sg_tablesize > SG_LIST_ELEMENTS) { |
| 2831 | pHba->sg_tablesize = SG_LIST_ELEMENTS; |
| 2832 | } |
| 2833 | |
| 2834 | |
| 2835 | #ifdef DEBUG |
| 2836 | printk("dpti%d: State = ",pHba->unit); |
| 2837 | switch(pHba->status_block->iop_state) { |
| 2838 | case 0x01: |
| 2839 | printk("INIT\n"); |
| 2840 | break; |
| 2841 | case 0x02: |
| 2842 | printk("RESET\n"); |
| 2843 | break; |
| 2844 | case 0x04: |
| 2845 | printk("HOLD\n"); |
| 2846 | break; |
| 2847 | case 0x05: |
| 2848 | printk("READY\n"); |
| 2849 | break; |
| 2850 | case 0x08: |
| 2851 | printk("OPERATIONAL\n"); |
| 2852 | break; |
| 2853 | case 0x10: |
| 2854 | printk("FAILED\n"); |
| 2855 | break; |
| 2856 | case 0x11: |
| 2857 | printk("FAULTED\n"); |
| 2858 | break; |
| 2859 | default: |
| 2860 | printk("%x (unknown!!)\n",pHba->status_block->iop_state); |
| 2861 | } |
| 2862 | #endif |
| 2863 | return 0; |
| 2864 | } |
| 2865 | |
| 2866 | /* |
| 2867 | * Get the IOP's Logical Configuration Table |
| 2868 | */ |
| 2869 | static int adpt_i2o_lct_get(adpt_hba* pHba) |
| 2870 | { |
| 2871 | u32 msg[8]; |
| 2872 | int ret; |
| 2873 | u32 buf[16]; |
| 2874 | |
| 2875 | if ((pHba->lct_size == 0) || (pHba->lct == NULL)){ |
| 2876 | pHba->lct_size = pHba->status_block->expected_lct_size; |
| 2877 | } |
| 2878 | do { |
| 2879 | if (pHba->lct == NULL) { |
| 2880 | pHba->lct = kmalloc(pHba->lct_size, GFP_KERNEL|ADDR32); |
| 2881 | if(pHba->lct == NULL) { |
| 2882 | printk(KERN_CRIT "%s: Lct Get failed. Out of memory.\n", |
| 2883 | pHba->name); |
| 2884 | return -ENOMEM; |
| 2885 | } |
| 2886 | } |
| 2887 | memset(pHba->lct, 0, pHba->lct_size); |
| 2888 | |
| 2889 | msg[0] = EIGHT_WORD_MSG_SIZE|SGL_OFFSET_6; |
| 2890 | msg[1] = I2O_CMD_LCT_NOTIFY<<24 | HOST_TID<<12 | ADAPTER_TID; |
| 2891 | msg[2] = 0; |
| 2892 | msg[3] = 0; |
| 2893 | msg[4] = 0xFFFFFFFF; /* All devices */ |
| 2894 | msg[5] = 0x00000000; /* Report now */ |
| 2895 | msg[6] = 0xD0000000|pHba->lct_size; |
| 2896 | msg[7] = virt_to_bus(pHba->lct); |
| 2897 | |
| 2898 | if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 360))) { |
| 2899 | printk(KERN_ERR "%s: LCT Get failed (status=%#10x.\n", |
| 2900 | pHba->name, ret); |
| 2901 | printk(KERN_ERR"Adaptec: Error Reading Hardware.\n"); |
| 2902 | return ret; |
| 2903 | } |
| 2904 | |
| 2905 | if ((pHba->lct->table_size << 2) > pHba->lct_size) { |
| 2906 | pHba->lct_size = pHba->lct->table_size << 2; |
| 2907 | kfree(pHba->lct); |
| 2908 | pHba->lct = NULL; |
| 2909 | } |
| 2910 | } while (pHba->lct == NULL); |
| 2911 | |
| 2912 | PDEBUG("%s: Hardware resource table read.\n", pHba->name); |
| 2913 | |
| 2914 | |
| 2915 | // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO; |
| 2916 | if(adpt_i2o_query_scalar(pHba, 0 , 0x8000, -1, buf, sizeof(buf))>=0) { |
| 2917 | pHba->FwDebugBufferSize = buf[1]; |
| 2918 | pHba->FwDebugBuffer_P = pHba->base_addr_virt + buf[0]; |
| 2919 | pHba->FwDebugFlags_P = pHba->FwDebugBuffer_P + FW_DEBUG_FLAGS_OFFSET; |
| 2920 | pHba->FwDebugBLEDvalue_P = pHba->FwDebugBuffer_P + FW_DEBUG_BLED_OFFSET; |
| 2921 | pHba->FwDebugBLEDflag_P = pHba->FwDebugBLEDvalue_P + 1; |
| 2922 | pHba->FwDebugStrLength_P = pHba->FwDebugBuffer_P + FW_DEBUG_STR_LENGTH_OFFSET; |
| 2923 | pHba->FwDebugBuffer_P += buf[2]; |
| 2924 | pHba->FwDebugFlags = 0; |
| 2925 | } |
| 2926 | |
| 2927 | return 0; |
| 2928 | } |
| 2929 | |
| 2930 | static int adpt_i2o_build_sys_table(void) |
| 2931 | { |
| 2932 | adpt_hba* pHba = NULL; |
| 2933 | int count = 0; |
| 2934 | |
| 2935 | sys_tbl_len = sizeof(struct i2o_sys_tbl) + // Header + IOPs |
| 2936 | (hba_count) * sizeof(struct i2o_sys_tbl_entry); |
| 2937 | |
Jesper Juhl | c9475cb | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 2938 | kfree(sys_tbl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2939 | |
| 2940 | sys_tbl = kmalloc(sys_tbl_len, GFP_KERNEL|ADDR32); |
| 2941 | if(!sys_tbl) { |
| 2942 | printk(KERN_WARNING "SysTab Set failed. Out of memory.\n"); |
| 2943 | return -ENOMEM; |
| 2944 | } |
| 2945 | memset(sys_tbl, 0, sys_tbl_len); |
| 2946 | |
| 2947 | sys_tbl->num_entries = hba_count; |
| 2948 | sys_tbl->version = I2OVERSION; |
| 2949 | sys_tbl->change_ind = sys_tbl_ind++; |
| 2950 | |
| 2951 | for(pHba = hba_chain; pHba; pHba = pHba->next) { |
| 2952 | // Get updated Status Block so we have the latest information |
| 2953 | if (adpt_i2o_status_get(pHba)) { |
| 2954 | sys_tbl->num_entries--; |
| 2955 | continue; // try next one |
| 2956 | } |
| 2957 | |
| 2958 | sys_tbl->iops[count].org_id = pHba->status_block->org_id; |
| 2959 | sys_tbl->iops[count].iop_id = pHba->unit + 2; |
| 2960 | sys_tbl->iops[count].seg_num = 0; |
| 2961 | sys_tbl->iops[count].i2o_version = pHba->status_block->i2o_version; |
| 2962 | sys_tbl->iops[count].iop_state = pHba->status_block->iop_state; |
| 2963 | sys_tbl->iops[count].msg_type = pHba->status_block->msg_type; |
| 2964 | sys_tbl->iops[count].frame_size = pHba->status_block->inbound_frame_size; |
| 2965 | sys_tbl->iops[count].last_changed = sys_tbl_ind - 1; // ?? |
| 2966 | sys_tbl->iops[count].iop_capabilities = pHba->status_block->iop_capabilities; |
Benoit Boissinot | 1c2fb3f | 2005-04-25 19:46:48 -0700 | [diff] [blame] | 2967 | sys_tbl->iops[count].inbound_low = (u32)virt_to_bus(pHba->post_port); |
| 2968 | sys_tbl->iops[count].inbound_high = (u32)((u64)virt_to_bus(pHba->post_port)>>32); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2969 | |
| 2970 | count++; |
| 2971 | } |
| 2972 | |
| 2973 | #ifdef DEBUG |
| 2974 | { |
| 2975 | u32 *table = (u32*)sys_tbl; |
| 2976 | printk(KERN_DEBUG"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len >>2)); |
| 2977 | for(count = 0; count < (sys_tbl_len >>2); count++) { |
| 2978 | printk(KERN_INFO "sys_tbl[%d] = %0#10x\n", |
| 2979 | count, table[count]); |
| 2980 | } |
| 2981 | } |
| 2982 | #endif |
| 2983 | |
| 2984 | return 0; |
| 2985 | } |
| 2986 | |
| 2987 | |
| 2988 | /* |
| 2989 | * Dump the information block associated with a given unit (TID) |
| 2990 | */ |
| 2991 | |
| 2992 | static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d) |
| 2993 | { |
| 2994 | char buf[64]; |
| 2995 | int unit = d->lct_data.tid; |
| 2996 | |
| 2997 | printk(KERN_INFO "TID %3.3d ", unit); |
| 2998 | |
| 2999 | if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 3, buf, 16)>=0) |
| 3000 | { |
| 3001 | buf[16]=0; |
| 3002 | printk(" Vendor: %-12.12s", buf); |
| 3003 | } |
| 3004 | if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 4, buf, 16)>=0) |
| 3005 | { |
| 3006 | buf[16]=0; |
| 3007 | printk(" Device: %-12.12s", buf); |
| 3008 | } |
| 3009 | if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 6, buf, 8)>=0) |
| 3010 | { |
| 3011 | buf[8]=0; |
| 3012 | printk(" Rev: %-12.12s\n", buf); |
| 3013 | } |
| 3014 | #ifdef DEBUG |
| 3015 | printk(KERN_INFO "\tClass: %.21s\n", adpt_i2o_get_class_name(d->lct_data.class_id)); |
| 3016 | printk(KERN_INFO "\tSubclass: 0x%04X\n", d->lct_data.sub_class); |
| 3017 | printk(KERN_INFO "\tFlags: "); |
| 3018 | |
| 3019 | if(d->lct_data.device_flags&(1<<0)) |
| 3020 | printk("C"); // ConfigDialog requested |
| 3021 | if(d->lct_data.device_flags&(1<<1)) |
| 3022 | printk("U"); // Multi-user capable |
| 3023 | if(!(d->lct_data.device_flags&(1<<4))) |
| 3024 | printk("P"); // Peer service enabled! |
| 3025 | if(!(d->lct_data.device_flags&(1<<5))) |
| 3026 | printk("M"); // Mgmt service enabled! |
| 3027 | printk("\n"); |
| 3028 | #endif |
| 3029 | } |
| 3030 | |
| 3031 | #ifdef DEBUG |
| 3032 | /* |
| 3033 | * Do i2o class name lookup |
| 3034 | */ |
| 3035 | static const char *adpt_i2o_get_class_name(int class) |
| 3036 | { |
| 3037 | int idx = 16; |
| 3038 | static char *i2o_class_name[] = { |
| 3039 | "Executive", |
| 3040 | "Device Driver Module", |
| 3041 | "Block Device", |
| 3042 | "Tape Device", |
| 3043 | "LAN Interface", |
| 3044 | "WAN Interface", |
| 3045 | "Fibre Channel Port", |
| 3046 | "Fibre Channel Device", |
| 3047 | "SCSI Device", |
| 3048 | "ATE Port", |
| 3049 | "ATE Device", |
| 3050 | "Floppy Controller", |
| 3051 | "Floppy Device", |
| 3052 | "Secondary Bus Port", |
| 3053 | "Peer Transport Agent", |
| 3054 | "Peer Transport", |
| 3055 | "Unknown" |
| 3056 | }; |
| 3057 | |
| 3058 | switch(class&0xFFF) { |
| 3059 | case I2O_CLASS_EXECUTIVE: |
| 3060 | idx = 0; break; |
| 3061 | case I2O_CLASS_DDM: |
| 3062 | idx = 1; break; |
| 3063 | case I2O_CLASS_RANDOM_BLOCK_STORAGE: |
| 3064 | idx = 2; break; |
| 3065 | case I2O_CLASS_SEQUENTIAL_STORAGE: |
| 3066 | idx = 3; break; |
| 3067 | case I2O_CLASS_LAN: |
| 3068 | idx = 4; break; |
| 3069 | case I2O_CLASS_WAN: |
| 3070 | idx = 5; break; |
| 3071 | case I2O_CLASS_FIBRE_CHANNEL_PORT: |
| 3072 | idx = 6; break; |
| 3073 | case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL: |
| 3074 | idx = 7; break; |
| 3075 | case I2O_CLASS_SCSI_PERIPHERAL: |
| 3076 | idx = 8; break; |
| 3077 | case I2O_CLASS_ATE_PORT: |
| 3078 | idx = 9; break; |
| 3079 | case I2O_CLASS_ATE_PERIPHERAL: |
| 3080 | idx = 10; break; |
| 3081 | case I2O_CLASS_FLOPPY_CONTROLLER: |
| 3082 | idx = 11; break; |
| 3083 | case I2O_CLASS_FLOPPY_DEVICE: |
| 3084 | idx = 12; break; |
| 3085 | case I2O_CLASS_BUS_ADAPTER_PORT: |
| 3086 | idx = 13; break; |
| 3087 | case I2O_CLASS_PEER_TRANSPORT_AGENT: |
| 3088 | idx = 14; break; |
| 3089 | case I2O_CLASS_PEER_TRANSPORT: |
| 3090 | idx = 15; break; |
| 3091 | } |
| 3092 | return i2o_class_name[idx]; |
| 3093 | } |
| 3094 | #endif |
| 3095 | |
| 3096 | |
| 3097 | static s32 adpt_i2o_hrt_get(adpt_hba* pHba) |
| 3098 | { |
| 3099 | u32 msg[6]; |
| 3100 | int ret, size = sizeof(i2o_hrt); |
| 3101 | |
| 3102 | do { |
| 3103 | if (pHba->hrt == NULL) { |
| 3104 | pHba->hrt=kmalloc(size, GFP_KERNEL|ADDR32); |
| 3105 | if (pHba->hrt == NULL) { |
| 3106 | printk(KERN_CRIT "%s: Hrt Get failed; Out of memory.\n", pHba->name); |
| 3107 | return -ENOMEM; |
| 3108 | } |
| 3109 | } |
| 3110 | |
| 3111 | msg[0]= SIX_WORD_MSG_SIZE| SGL_OFFSET_4; |
| 3112 | msg[1]= I2O_CMD_HRT_GET<<24 | HOST_TID<<12 | ADAPTER_TID; |
| 3113 | msg[2]= 0; |
| 3114 | msg[3]= 0; |
| 3115 | msg[4]= (0xD0000000 | size); /* Simple transaction */ |
| 3116 | msg[5]= virt_to_bus(pHba->hrt); /* Dump it here */ |
| 3117 | |
| 3118 | if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg),20))) { |
| 3119 | printk(KERN_ERR "%s: Unable to get HRT (status=%#10x)\n", pHba->name, ret); |
| 3120 | return ret; |
| 3121 | } |
| 3122 | |
| 3123 | if (pHba->hrt->num_entries * pHba->hrt->entry_len << 2 > size) { |
| 3124 | size = pHba->hrt->num_entries * pHba->hrt->entry_len << 2; |
| 3125 | kfree(pHba->hrt); |
| 3126 | pHba->hrt = NULL; |
| 3127 | } |
| 3128 | } while(pHba->hrt == NULL); |
| 3129 | return 0; |
| 3130 | } |
| 3131 | |
| 3132 | /* |
| 3133 | * Query one scalar group value or a whole scalar group. |
| 3134 | */ |
| 3135 | static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid, |
| 3136 | int group, int field, void *buf, int buflen) |
| 3137 | { |
| 3138 | u16 opblk[] = { 1, 0, I2O_PARAMS_FIELD_GET, group, 1, field }; |
| 3139 | u8 *resblk; |
| 3140 | |
| 3141 | int size; |
| 3142 | |
| 3143 | /* 8 bytes for header */ |
| 3144 | resblk = kmalloc(sizeof(u8) * (8+buflen), GFP_KERNEL|ADDR32); |
| 3145 | if (resblk == NULL) { |
| 3146 | printk(KERN_CRIT "%s: query scalar failed; Out of memory.\n", pHba->name); |
| 3147 | return -ENOMEM; |
| 3148 | } |
| 3149 | |
| 3150 | if (field == -1) /* whole group */ |
| 3151 | opblk[4] = -1; |
| 3152 | |
| 3153 | size = adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET, pHba, tid, |
| 3154 | opblk, sizeof(opblk), resblk, sizeof(u8)*(8+buflen)); |
| 3155 | if (size == -ETIME) { |
| 3156 | printk(KERN_WARNING "%s: issue params failed; Timed out.\n", pHba->name); |
| 3157 | return -ETIME; |
| 3158 | } else if (size == -EINTR) { |
| 3159 | printk(KERN_WARNING "%s: issue params failed; Interrupted.\n", pHba->name); |
| 3160 | return -EINTR; |
| 3161 | } |
| 3162 | |
| 3163 | memcpy(buf, resblk+8, buflen); /* cut off header */ |
| 3164 | |
| 3165 | kfree(resblk); |
| 3166 | if (size < 0) |
| 3167 | return size; |
| 3168 | |
| 3169 | return buflen; |
| 3170 | } |
| 3171 | |
| 3172 | |
| 3173 | /* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET |
| 3174 | * |
| 3175 | * This function can be used for all UtilParamsGet/Set operations. |
| 3176 | * The OperationBlock is given in opblk-buffer, |
| 3177 | * and results are returned in resblk-buffer. |
| 3178 | * Note that the minimum sized resblk is 8 bytes and contains |
| 3179 | * ResultCount, ErrorInfoSize, BlockStatus and BlockSize. |
| 3180 | */ |
| 3181 | static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid, |
| 3182 | void *opblk, int oplen, void *resblk, int reslen) |
| 3183 | { |
| 3184 | u32 msg[9]; |
| 3185 | u32 *res = (u32 *)resblk; |
| 3186 | int wait_status; |
| 3187 | |
| 3188 | msg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_5; |
| 3189 | msg[1] = cmd << 24 | HOST_TID << 12 | tid; |
| 3190 | msg[2] = 0; |
| 3191 | msg[3] = 0; |
| 3192 | msg[4] = 0; |
| 3193 | msg[5] = 0x54000000 | oplen; /* OperationBlock */ |
| 3194 | msg[6] = virt_to_bus(opblk); |
| 3195 | msg[7] = 0xD0000000 | reslen; /* ResultBlock */ |
| 3196 | msg[8] = virt_to_bus(resblk); |
| 3197 | |
| 3198 | if ((wait_status = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 20))) { |
| 3199 | printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk); |
| 3200 | return wait_status; /* -DetailedStatus */ |
| 3201 | } |
| 3202 | |
| 3203 | if (res[1]&0x00FF0000) { /* BlockStatus != SUCCESS */ |
| 3204 | printk(KERN_WARNING "%s: %s - Error:\n ErrorInfoSize = 0x%02x, " |
| 3205 | "BlockStatus = 0x%02x, BlockSize = 0x%04x\n", |
| 3206 | pHba->name, |
| 3207 | (cmd == I2O_CMD_UTIL_PARAMS_SET) ? "PARAMS_SET" |
| 3208 | : "PARAMS_GET", |
| 3209 | res[1]>>24, (res[1]>>16)&0xFF, res[1]&0xFFFF); |
| 3210 | return -((res[1] >> 16) & 0xFF); /* -BlockStatus */ |
| 3211 | } |
| 3212 | |
| 3213 | return 4 + ((res[1] & 0x0000FFFF) << 2); /* bytes used in resblk */ |
| 3214 | } |
| 3215 | |
| 3216 | |
| 3217 | static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba) |
| 3218 | { |
| 3219 | u32 msg[4]; |
| 3220 | int ret; |
| 3221 | |
| 3222 | adpt_i2o_status_get(pHba); |
| 3223 | |
| 3224 | /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */ |
| 3225 | |
| 3226 | if((pHba->status_block->iop_state != ADAPTER_STATE_READY) && |
| 3227 | (pHba->status_block->iop_state != ADAPTER_STATE_OPERATIONAL)){ |
| 3228 | return 0; |
| 3229 | } |
| 3230 | |
| 3231 | msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0; |
| 3232 | msg[1] = I2O_CMD_SYS_QUIESCE<<24|HOST_TID<<12|ADAPTER_TID; |
| 3233 | msg[2] = 0; |
| 3234 | msg[3] = 0; |
| 3235 | |
| 3236 | if((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) { |
| 3237 | printk(KERN_INFO"dpti%d: Unable to quiesce (status=%#x).\n", |
| 3238 | pHba->unit, -ret); |
| 3239 | } else { |
| 3240 | printk(KERN_INFO"dpti%d: Quiesced.\n",pHba->unit); |
| 3241 | } |
| 3242 | |
| 3243 | adpt_i2o_status_get(pHba); |
| 3244 | return ret; |
| 3245 | } |
| 3246 | |
| 3247 | |
| 3248 | /* |
| 3249 | * Enable IOP. Allows the IOP to resume external operations. |
| 3250 | */ |
| 3251 | static int adpt_i2o_enable_hba(adpt_hba* pHba) |
| 3252 | { |
| 3253 | u32 msg[4]; |
| 3254 | int ret; |
| 3255 | |
| 3256 | adpt_i2o_status_get(pHba); |
| 3257 | if(!pHba->status_block){ |
| 3258 | return -ENOMEM; |
| 3259 | } |
| 3260 | /* Enable only allowed on READY state */ |
| 3261 | if(pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL) |
| 3262 | return 0; |
| 3263 | |
| 3264 | if(pHba->status_block->iop_state != ADAPTER_STATE_READY) |
| 3265 | return -EINVAL; |
| 3266 | |
| 3267 | msg[0]=FOUR_WORD_MSG_SIZE|SGL_OFFSET_0; |
| 3268 | msg[1]=I2O_CMD_SYS_ENABLE<<24|HOST_TID<<12|ADAPTER_TID; |
| 3269 | msg[2]= 0; |
| 3270 | msg[3]= 0; |
| 3271 | |
| 3272 | if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) { |
| 3273 | printk(KERN_WARNING"%s: Could not enable (status=%#10x).\n", |
| 3274 | pHba->name, ret); |
| 3275 | } else { |
| 3276 | PDEBUG("%s: Enabled.\n", pHba->name); |
| 3277 | } |
| 3278 | |
| 3279 | adpt_i2o_status_get(pHba); |
| 3280 | return ret; |
| 3281 | } |
| 3282 | |
| 3283 | |
| 3284 | static int adpt_i2o_systab_send(adpt_hba* pHba) |
| 3285 | { |
| 3286 | u32 msg[12]; |
| 3287 | int ret; |
| 3288 | |
| 3289 | msg[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6; |
| 3290 | msg[1] = I2O_CMD_SYS_TAB_SET<<24 | HOST_TID<<12 | ADAPTER_TID; |
| 3291 | msg[2] = 0; |
| 3292 | msg[3] = 0; |
| 3293 | msg[4] = (0<<16) | ((pHba->unit+2) << 12); /* Host 0 IOP ID (unit + 2) */ |
| 3294 | msg[5] = 0; /* Segment 0 */ |
| 3295 | |
| 3296 | /* |
| 3297 | * Provide three SGL-elements: |
| 3298 | * System table (SysTab), Private memory space declaration and |
| 3299 | * Private i/o space declaration |
| 3300 | */ |
| 3301 | msg[6] = 0x54000000 | sys_tbl_len; |
| 3302 | msg[7] = virt_to_phys(sys_tbl); |
| 3303 | msg[8] = 0x54000000 | 0; |
| 3304 | msg[9] = 0; |
| 3305 | msg[10] = 0xD4000000 | 0; |
| 3306 | msg[11] = 0; |
| 3307 | |
| 3308 | if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 120))) { |
| 3309 | printk(KERN_INFO "%s: Unable to set SysTab (status=%#10x).\n", |
| 3310 | pHba->name, ret); |
| 3311 | } |
| 3312 | #ifdef DEBUG |
| 3313 | else { |
| 3314 | PINFO("%s: SysTab set.\n", pHba->name); |
| 3315 | } |
| 3316 | #endif |
| 3317 | |
| 3318 | return ret; |
| 3319 | } |
| 3320 | |
| 3321 | |
| 3322 | /*============================================================================ |
| 3323 | * |
| 3324 | *============================================================================ |
| 3325 | */ |
| 3326 | |
| 3327 | |
| 3328 | #ifdef UARTDELAY |
| 3329 | |
| 3330 | static static void adpt_delay(int millisec) |
| 3331 | { |
| 3332 | int i; |
| 3333 | for (i = 0; i < millisec; i++) { |
| 3334 | udelay(1000); /* delay for one millisecond */ |
| 3335 | } |
| 3336 | } |
| 3337 | |
| 3338 | #endif |
| 3339 | |
| 3340 | static struct scsi_host_template driver_template = { |
| 3341 | .name = "dpt_i2o", |
| 3342 | .proc_name = "dpt_i2o", |
| 3343 | .proc_info = adpt_proc_info, |
| 3344 | .detect = adpt_detect, |
| 3345 | .release = adpt_release, |
| 3346 | .info = adpt_info, |
| 3347 | .queuecommand = adpt_queue, |
| 3348 | .eh_abort_handler = adpt_abort, |
| 3349 | .eh_device_reset_handler = adpt_device_reset, |
| 3350 | .eh_bus_reset_handler = adpt_bus_reset, |
| 3351 | .eh_host_reset_handler = adpt_reset, |
| 3352 | .bios_param = adpt_bios_param, |
| 3353 | .slave_configure = adpt_slave_configure, |
| 3354 | .can_queue = MAX_TO_IOP_MESSAGES, |
| 3355 | .this_id = 7, |
| 3356 | .cmd_per_lun = 1, |
| 3357 | .use_clustering = ENABLE_CLUSTERING, |
| 3358 | }; |
| 3359 | #include "scsi_module.c" |
| 3360 | MODULE_LICENSE("GPL"); |