git.oblomov.eu Git - linux-2.6/blob - drivers/scsi/hptiop.c

   1 /*
   2  * HighPoint RR3xxx/4xxx controller driver for Linux
   3  * Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; version 2 of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * Please report bugs/comments/suggestions to linux@highpoint-tech.com
  15  *
  16  * For more information, visit http://www.highpoint-tech.com
  17  */
  18 #include <linux/module.h>
  19 #include <linux/types.h>
  20 #include <linux/string.h>
  21 #include <linux/kernel.h>
  22 #include <linux/pci.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/errno.h>
  25 #include <linux/delay.h>
  26 #include <linux/timer.h>
  27 #include <linux/spinlock.h>
  28 #include <linux/hdreg.h>
  29 #include <asm/uaccess.h>
  30 #include <asm/io.h>
  31 #include <asm/div64.h>
  32 #include <scsi/scsi_cmnd.h>
  33 #include <scsi/scsi_device.h>
  34 #include <scsi/scsi.h>
  35 #include <scsi/scsi_tcq.h>
  36 #include <scsi/scsi_host.h>
  37
  38 #include "hptiop.h"
  39
  40 MODULE_AUTHOR("HighPoint Technologies, Inc.");
  41 MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver");
  42
  43 static char driver_name[] = "hptiop";
  44 static const char driver_name_long[] = "RocketRAID 3xxx/4xxx Controller driver";
  45 static const char driver_ver[] = "v1.3 (071203)";
  46
  47 static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec);
  48 static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
  49                                 struct hpt_iop_request_scsi_command *req);
  50 static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 tag);
  51 static void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag);
  52 static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg);
  53
  54 static int iop_wait_ready_itl(struct hptiop_hba *hba, u32 millisec)
  55 {
  56         u32 req = 0;
  57         int i;
  58
  59         for (i = 0; i < millisec; i++) {
  60                 req = readl(&hba->u.itl.iop->inbound_queue);
  61                 if (req != IOPMU_QUEUE_EMPTY)
  62                         break;
  63                 msleep(1);
  64         }
  65
  66         if (req != IOPMU_QUEUE_EMPTY) {
  67                 writel(req, &hba->u.itl.iop->outbound_queue);
  68                 readl(&hba->u.itl.iop->outbound_intstatus);
  69                 return 0;
  70         }
  71
  72         return -1;
  73 }
  74
  75 static int iop_wait_ready_mv(struct hptiop_hba *hba, u32 millisec)
  76 {
  77         return iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_NOP, millisec);
  78 }
  79
  80 static void hptiop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
  81 {
  82         if (tag & IOPMU_QUEUE_ADDR_HOST_BIT)
  83                 hptiop_host_request_callback_itl(hba,
  84                                 tag & ~IOPMU_QUEUE_ADDR_HOST_BIT);
  85         else
  86                 hptiop_iop_request_callback_itl(hba, tag);
  87 }
  88
  89 static void hptiop_drain_outbound_queue_itl(struct hptiop_hba *hba)
  90 {
  91         u32 req;
  92
  93         while ((req = readl(&hba->u.itl.iop->outbound_queue)) !=
  94                                                 IOPMU_QUEUE_EMPTY) {
  95
  96                 if (req & IOPMU_QUEUE_MASK_HOST_BITS)
  97                         hptiop_request_callback_itl(hba, req);
  98                 else {
  99                         struct hpt_iop_request_header __iomem * p;
 100
 101                         p = (struct hpt_iop_request_header __iomem *)
 102                                 ((char __iomem *)hba->u.itl.iop + req);
 103
 104                         if (readl(&p->flags) & IOP_REQUEST_FLAG_SYNC_REQUEST) {
 105                                 if (readl(&p->context))
 106                                         hptiop_request_callback_itl(hba, req);
 107                                 else
 108                                         writel(1, &p->context);
 109                         }
 110                         else
 111                                 hptiop_request_callback_itl(hba, req);
 112                 }
 113         }
 114 }
 115
 116 static int iop_intr_itl(struct hptiop_hba *hba)
 117 {
 118         struct hpt_iopmu_itl __iomem *iop = hba->u.itl.iop;
 119         u32 status;
 120         int ret = 0;
 121
 122         status = readl(&iop->outbound_intstatus);
 123
 124         if (status & IOPMU_OUTBOUND_INT_MSG0) {
 125                 u32 msg = readl(&iop->outbound_msgaddr0);
 126
 127                 dprintk("received outbound msg %x\n", msg);
 128                 writel(IOPMU_OUTBOUND_INT_MSG0, &iop->outbound_intstatus);
 129                 hptiop_message_callback(hba, msg);
 130                 ret = 1;
 131         }
 132
 133         if (status & IOPMU_OUTBOUND_INT_POSTQUEUE) {
 134                 hptiop_drain_outbound_queue_itl(hba);
 135                 ret = 1;
 136         }
 137
 138         return ret;
 139 }
 140
 141 static u64 mv_outbound_read(struct hpt_iopmu_mv __iomem *mu)
 142 {
 143         u32 outbound_tail = readl(&mu->outbound_tail);
 144         u32 outbound_head = readl(&mu->outbound_head);
 145
 146         if (outbound_tail != outbound_head) {
 147                 u64 p;
 148
 149                 memcpy_fromio(&p, &mu->outbound_q[mu->outbound_tail], 8);
 150                 outbound_tail++;
 151
 152                 if (outbound_tail == MVIOP_QUEUE_LEN)
 153                         outbound_tail = 0;
 154                 writel(outbound_tail, &mu->outbound_tail);
 155                 return p;
 156         } else
 157                 return 0;
 158 }
 159
 160 static void mv_inbound_write(u64 p, struct hptiop_hba *hba)
 161 {
 162         u32 inbound_head = readl(&hba->u.mv.mu->inbound_head);
 163         u32 head = inbound_head + 1;
 164
 165         if (head == MVIOP_QUEUE_LEN)
 166                 head = 0;
 167
 168         memcpy_toio(&hba->u.mv.mu->inbound_q[inbound_head], &p, 8);
 169         writel(head, &hba->u.mv.mu->inbound_head);
 170         writel(MVIOP_MU_INBOUND_INT_POSTQUEUE,
 171                         &hba->u.mv.regs->inbound_doorbell);
 172 }
 173
 174 static void hptiop_request_callback_mv(struct hptiop_hba *hba, u64 tag)
 175 {
 176         u32 req_type = (tag >> 5) & 0x7;
 177         struct hpt_iop_request_scsi_command *req;
 178
 179         dprintk("hptiop_request_callback_mv: tag=%llx\n", tag);
 180
 181         BUG_ON((tag & MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT) == 0);
 182
 183         switch (req_type) {
 184         case IOP_REQUEST_TYPE_GET_CONFIG:
 185         case IOP_REQUEST_TYPE_SET_CONFIG:
 186                 hba->msg_done = 1;
 187                 break;
 188
 189         case IOP_REQUEST_TYPE_SCSI_COMMAND:
 190                 req = hba->reqs[tag >> 8].req_virt;
 191                 if (likely(tag & MVIOP_MU_QUEUE_REQUEST_RESULT_BIT))
 192                         req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
 193
 194                 hptiop_finish_scsi_req(hba, tag>>8, req);
 195                 break;
 196
 197         default:
 198                 break;
 199         }
 200 }
 201
 202 static int iop_intr_mv(struct hptiop_hba *hba)
 203 {
 204         u32 status;
 205         int ret = 0;
 206
 207         status = readl(&hba->u.mv.regs->outbound_doorbell);
 208         writel(~status, &hba->u.mv.regs->outbound_doorbell);
 209
 210         if (status & MVIOP_MU_OUTBOUND_INT_MSG) {
 211                 u32 msg;
 212                 msg = readl(&hba->u.mv.mu->outbound_msg);
 213                 dprintk("received outbound msg %x\n", msg);
 214                 hptiop_message_callback(hba, msg);
 215                 ret = 1;
 216         }
 217
 218         if (status & MVIOP_MU_OUTBOUND_INT_POSTQUEUE) {
 219                 u64 tag;
 220
 221                 while ((tag = mv_outbound_read(hba->u.mv.mu)))
 222                         hptiop_request_callback_mv(hba, tag);
 223                 ret = 1;
 224         }
 225
 226         return ret;
 227 }
 228
 229 static int iop_send_sync_request_itl(struct hptiop_hba *hba,
 230                                         void __iomem *_req, u32 millisec)
 231 {
 232         struct hpt_iop_request_header __iomem *req = _req;
 233         u32 i;
 234
 235         writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, &req->flags);
 236         writel(0, &req->context);
 237         writel((unsigned long)req - (unsigned long)hba->u.itl.iop,
 238                         &hba->u.itl.iop->inbound_queue);
 239         readl(&hba->u.itl.iop->outbound_intstatus);
 240
 241         for (i = 0; i < millisec; i++) {
 242                 iop_intr_itl(hba);
 243                 if (readl(&req->context))
 244                         return 0;
 245                 msleep(1);
 246         }
 247
 248         return -1;
 249 }
 250
 251 static int iop_send_sync_request_mv(struct hptiop_hba *hba,
 252                                         u32 size_bits, u32 millisec)
 253 {
 254         struct hpt_iop_request_header *reqhdr = hba->u.mv.internal_req;
 255         u32 i;
 256
 257         hba->msg_done = 0;
 258         reqhdr->flags |= cpu_to_le32(IOP_REQUEST_FLAG_SYNC_REQUEST);
 259         mv_inbound_write(hba->u.mv.internal_req_phy |
 260                         MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bits, hba);
 261
 262         for (i = 0; i < millisec; i++) {
 263                 iop_intr_mv(hba);
 264                 if (hba->msg_done)
 265                         return 0;
 266                 msleep(1);
 267         }
 268         return -1;
 269 }
 270
 271 static void hptiop_post_msg_itl(struct hptiop_hba *hba, u32 msg)
 272 {
 273         writel(msg, &hba->u.itl.iop->inbound_msgaddr0);
 274         readl(&hba->u.itl.iop->outbound_intstatus);
 275 }
 276
 277 static void hptiop_post_msg_mv(struct hptiop_hba *hba, u32 msg)
 278 {
 279         writel(msg, &hba->u.mv.mu->inbound_msg);
 280         writel(MVIOP_MU_INBOUND_INT_MSG, &hba->u.mv.regs->inbound_doorbell);
 281         readl(&hba->u.mv.regs->inbound_doorbell);
 282 }
 283
 284 static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec)
 285 {
 286         u32 i;
 287
 288         hba->msg_done = 0;
 289         hba->ops->post_msg(hba, msg);
 290
 291         for (i = 0; i < millisec; i++) {
 292                 spin_lock_irq(hba->host->host_lock);
 293                 hba->ops->iop_intr(hba);
 294                 spin_unlock_irq(hba->host->host_lock);
 295                 if (hba->msg_done)
 296                         break;
 297                 msleep(1);
 298         }
 299
 300         return hba->msg_done? 0 : -1;
 301 }
 302
 303 static int iop_get_config_itl(struct hptiop_hba *hba,
 304                                 struct hpt_iop_request_get_config *config)
 305 {
 306         u32 req32;
 307         struct hpt_iop_request_get_config __iomem *req;
 308
 309         req32 = readl(&hba->u.itl.iop->inbound_queue);
 310         if (req32 == IOPMU_QUEUE_EMPTY)
 311                 return -1;
 312
 313         req = (struct hpt_iop_request_get_config __iomem *)
 314                         ((unsigned long)hba->u.itl.iop + req32);
 315
 316         writel(0, &req->header.flags);
 317         writel(IOP_REQUEST_TYPE_GET_CONFIG, &req->header.type);
 318         writel(sizeof(struct hpt_iop_request_get_config), &req->header.size);
 319         writel(IOP_RESULT_PENDING, &req->header.result);
 320
 321         if (iop_send_sync_request_itl(hba, req, 20000)) {
 322                 dprintk("Get config send cmd failed\n");
 323                 return -1;
 324         }
 325
 326         memcpy_fromio(config, req, sizeof(*config));
 327         writel(req32, &hba->u.itl.iop->outbound_queue);
 328         return 0;
 329 }
 330
 331 static int iop_get_config_mv(struct hptiop_hba *hba,
 332                                 struct hpt_iop_request_get_config *config)
 333 {
 334         struct hpt_iop_request_get_config *req = hba->u.mv.internal_req;
 335
 336         req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
 337         req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG);
 338         req->header.size =
 339                 cpu_to_le32(sizeof(struct hpt_iop_request_get_config));
 340         req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
 341         req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG<<5);
 342         req->header.context_hi32 = 0;
 343
 344         if (iop_send_sync_request_mv(hba, 0, 20000)) {
 345                 dprintk("Get config send cmd failed\n");
 346                 return -1;
 347         }
 348
 349         memcpy(config, req, sizeof(struct hpt_iop_request_get_config));
 350         return 0;
 351 }
 352
 353 static int iop_set_config_itl(struct hptiop_hba *hba,
 354                                 struct hpt_iop_request_set_config *config)
 355 {
 356         u32 req32;
 357         struct hpt_iop_request_set_config __iomem *req;
 358
 359         req32 = readl(&hba->u.itl.iop->inbound_queue);
 360         if (req32 == IOPMU_QUEUE_EMPTY)
 361                 return -1;
 362
 363         req = (struct hpt_iop_request_set_config __iomem *)
 364                         ((unsigned long)hba->u.itl.iop + req32);
 365
 366         memcpy_toio((u8 __iomem *)req + sizeof(struct hpt_iop_request_header),
 367                 (u8 *)config + sizeof(struct hpt_iop_request_header),
 368                 sizeof(struct hpt_iop_request_set_config) -
 369                         sizeof(struct hpt_iop_request_header));
 370
 371         writel(0, &req->header.flags);
 372         writel(IOP_REQUEST_TYPE_SET_CONFIG, &req->header.type);
 373         writel(sizeof(struct hpt_iop_request_set_config), &req->header.size);
 374         writel(IOP_RESULT_PENDING, &req->header.result);
 375
 376         if (iop_send_sync_request_itl(hba, req, 20000)) {
 377                 dprintk("Set config send cmd failed\n");
 378                 return -1;
 379         }
 380
 381         writel(req32, &hba->u.itl.iop->outbound_queue);
 382         return 0;
 383 }
 384
 385 static int iop_set_config_mv(struct hptiop_hba *hba,
 386                                 struct hpt_iop_request_set_config *config)
 387 {
 388         struct hpt_iop_request_set_config *req = hba->u.mv.internal_req;
 389
 390         memcpy(req, config, sizeof(struct hpt_iop_request_set_config));
 391         req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
 392         req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG);
 393         req->header.size =
 394                 cpu_to_le32(sizeof(struct hpt_iop_request_set_config));
 395         req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
 396         req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG<<5);
 397         req->header.context_hi32 = 0;
 398
 399         if (iop_send_sync_request_mv(hba, 0, 20000)) {
 400                 dprintk("Set config send cmd failed\n");
 401                 return -1;
 402         }
 403
 404         return 0;
 405 }
 406
 407 static void hptiop_enable_intr_itl(struct hptiop_hba *hba)
 408 {
 409         writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0),
 410                 &hba->u.itl.iop->outbound_intmask);
 411 }
 412
 413 static void hptiop_enable_intr_mv(struct hptiop_hba *hba)
 414 {
 415         writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE | MVIOP_MU_OUTBOUND_INT_MSG,
 416                 &hba->u.mv.regs->outbound_intmask);
 417 }
 418
 419 static int hptiop_initialize_iop(struct hptiop_hba *hba)
 420 {
 421         /* enable interrupts */
 422         hba->ops->enable_intr(hba);
 423
 424         hba->initialized = 1;
 425
 426         /* start background tasks */
 427         if (iop_send_sync_msg(hba,
 428                         IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
 429                 printk(KERN_ERR "scsi%d: fail to start background task\n",
 430                         hba->host->host_no);
 431                 return -1;
 432         }
 433         return 0;
 434 }
 435
 436 static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index)
 437 {
 438         u32 mem_base_phy, length;
 439         void __iomem *mem_base_virt;
 440
 441         struct pci_dev *pcidev = hba->pcidev;
 442
 443
 444         if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) {
 445                 printk(KERN_ERR "scsi%d: pci resource invalid\n",
 446                                 hba->host->host_no);
 447                 return NULL;
 448         }
 449
 450         mem_base_phy = pci_resource_start(pcidev, index);
 451         length = pci_resource_len(pcidev, index);
 452         mem_base_virt = ioremap(mem_base_phy, length);
 453
 454         if (!mem_base_virt) {
 455                 printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n",
 456                                 hba->host->host_no);
 457                 return NULL;
 458         }
 459         return mem_base_virt;
 460 }
 461
 462 static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba)
 463 {
 464         hba->u.itl.iop = hptiop_map_pci_bar(hba, 0);
 465         if (hba->u.itl.iop)
 466                 return 0;
 467         else
 468                 return -1;
 469 }
 470
 471 static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba)
 472 {
 473         iounmap(hba->u.itl.iop);
 474 }
 475
 476 static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba)
 477 {
 478         hba->u.mv.regs = hptiop_map_pci_bar(hba, 0);
 479         if (hba->u.mv.regs == NULL)
 480                 return -1;
 481
 482         hba->u.mv.mu = hptiop_map_pci_bar(hba, 2);
 483         if (hba->u.mv.mu == NULL) {
 484                 iounmap(hba->u.mv.regs);
 485                 return -1;
 486         }
 487
 488         return 0;
 489 }
 490
 491 static void hptiop_unmap_pci_bar_mv(struct hptiop_hba *hba)
 492 {
 493         iounmap(hba->u.mv.regs);
 494         iounmap(hba->u.mv.mu);
 495 }
 496
 497 static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg)
 498 {
 499         dprintk("iop message 0x%x\n", msg);
 500
 501         if (msg == IOPMU_INBOUND_MSG0_NOP)
 502                 hba->msg_done = 1;
 503
 504         if (!hba->initialized)
 505                 return;
 506
 507         if (msg == IOPMU_INBOUND_MSG0_RESET) {
 508                 atomic_set(&hba->resetting, 0);
 509                 wake_up(&hba->reset_wq);
 510         }
 511         else if (msg <= IOPMU_INBOUND_MSG0_MAX)
 512                 hba->msg_done = 1;
 513 }
 514
 515 static struct hptiop_request *get_req(struct hptiop_hba *hba)
 516 {
 517         struct hptiop_request *ret;
 518
 519         dprintk("get_req : req=%p\n", hba->req_list);
 520
 521         ret = hba->req_list;
 522         if (ret)
 523                 hba->req_list = ret->next;
 524
 525         return ret;
 526 }
 527
 528 static void free_req(struct hptiop_hba *hba, struct hptiop_request *req)
 529 {
 530         dprintk("free_req(%d, %p)\n", req->index, req);
 531         req->next = hba->req_list;
 532         hba->req_list = req;
 533 }
 534
 535 static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
 536                                 struct hpt_iop_request_scsi_command *req)
 537 {
 538         struct scsi_cmnd *scp;
 539
 540         dprintk("hptiop_finish_scsi_req: req=%p, type=%d, "
 541                         "result=%d, context=0x%x tag=%d\n",
 542                         req, req->header.type, req->header.result,
 543                         req->header.context, tag);
 544
 545         BUG_ON(!req->header.result);
 546         BUG_ON(req->header.type != cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND));
 547
 548         scp = hba->reqs[tag].scp;
 549
 550         if (HPT_SCP(scp)->mapped)
 551                 scsi_dma_unmap(scp);
 552
 553         switch (le32_to_cpu(req->header.result)) {
 554         case IOP_RESULT_SUCCESS:
 555                 scsi_set_resid(scp,
 556                         scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
 557                 scp->result = (DID_OK<<16);
 558                 break;
 559         case IOP_RESULT_BAD_TARGET:
 560                 scp->result = (DID_BAD_TARGET<<16);
 561                 break;
 562         case IOP_RESULT_BUSY:
 563                 scp->result = (DID_BUS_BUSY<<16);
 564                 break;
 565         case IOP_RESULT_RESET:
 566                 scp->result = (DID_RESET<<16);
 567                 break;
 568         case IOP_RESULT_FAIL:
 569                 scp->result = (DID_ERROR<<16);
 570                 break;
 571         case IOP_RESULT_INVALID_REQUEST:
 572                 scp->result = (DID_ABORT<<16);
 573                 break;
 574         case IOP_RESULT_CHECK_CONDITION:
 575                 scsi_set_resid(scp,
 576                         scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
 577                 scp->result = SAM_STAT_CHECK_CONDITION;
 578                 memcpy(scp->sense_buffer, &req->sg_list,
 579                                 min_t(size_t, SCSI_SENSE_BUFFERSIZE,
 580                                         le32_to_cpu(req->dataxfer_length)));
 581                 break;
 582
 583         default:
 584                 scp->result = ((DRIVER_INVALID|SUGGEST_ABORT)<<24) |
 585                                         (DID_ABORT<<16);
 586                 break;
 587         }
 588
 589         dprintk("scsi_done(%p)\n", scp);
 590         scp->scsi_done(scp);
 591         free_req(hba, &hba->reqs[tag]);
 592 }
 593
 594 static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 _tag)
 595 {
 596         struct hpt_iop_request_scsi_command *req;
 597         u32 tag;
 598
 599         if (hba->iopintf_v2) {
 600                 tag = _tag & ~IOPMU_QUEUE_REQUEST_RESULT_BIT;
 601                 req = hba->reqs[tag].req_virt;
 602                 if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT))
 603                         req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
 604         } else {
 605                 tag = _tag;
 606                 req = hba->reqs[tag].req_virt;
 607         }
 608
 609         hptiop_finish_scsi_req(hba, tag, req);
 610 }
 611
 612 void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
 613 {
 614         struct hpt_iop_request_header __iomem *req;
 615         struct hpt_iop_request_ioctl_command __iomem *p;
 616         struct hpt_ioctl_k *arg;
 617
 618         req = (struct hpt_iop_request_header __iomem *)
 619                         ((unsigned long)hba->u.itl.iop + tag);
 620         dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, "
 621                         "result=%d, context=0x%x tag=%d\n",
 622                         req, readl(&req->type), readl(&req->result),
 623                         readl(&req->context), tag);
 624
 625         BUG_ON(!readl(&req->result));
 626         BUG_ON(readl(&req->type) != IOP_REQUEST_TYPE_IOCTL_COMMAND);
 627
 628         p = (struct hpt_iop_request_ioctl_command __iomem *)req;
 629         arg = (struct hpt_ioctl_k *)(unsigned long)
 630                 (readl(&req->context) |
 631                         ((u64)readl(&req->context_hi32)<<32));
 632
 633         if (readl(&req->result) == IOP_RESULT_SUCCESS) {
 634                 arg->result = HPT_IOCTL_RESULT_OK;
 635
 636                 if (arg->outbuf_size)
 637                         memcpy_fromio(arg->outbuf,
 638                                 &p->buf[(readl(&p->inbuf_size) + 3)& ~3],
 639                                 arg->outbuf_size);
 640
 641                 if (arg->bytes_returned)
 642                         *arg->bytes_returned = arg->outbuf_size;
 643         }
 644         else
 645                 arg->result = HPT_IOCTL_RESULT_FAILED;
 646
 647         arg->done(arg);
 648         writel(tag, &hba->u.itl.iop->outbound_queue);
 649 }
 650
 651 static irqreturn_t hptiop_intr(int irq, void *dev_id)
 652 {
 653         struct hptiop_hba  *hba = dev_id;
 654         int  handled;
 655         unsigned long flags;
 656
 657         spin_lock_irqsave(hba->host->host_lock, flags);
 658         handled = hba->ops->iop_intr(hba);
 659         spin_unlock_irqrestore(hba->host->host_lock, flags);
 660
 661         return handled;
 662 }
 663
 664 static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg)
 665 {
 666         struct Scsi_Host *host = scp->device->host;
 667         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
 668         struct scatterlist *sg;
 669         int idx, nseg;
 670
 671         nseg = scsi_dma_map(scp);
 672         BUG_ON(nseg < 0);
 673         if (!nseg)
 674                 return 0;
 675
 676         HPT_SCP(scp)->sgcnt = nseg;
 677         HPT_SCP(scp)->mapped = 1;
 678
 679         BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
 680
 681         scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) {
 682                 psg[idx].pci_address = cpu_to_le64(sg_dma_address(sg));
 683                 psg[idx].size = cpu_to_le32(sg_dma_len(sg));
 684                 psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
 685                         cpu_to_le32(1) : 0;
 686         }
 687         return HPT_SCP(scp)->sgcnt;
 688 }
 689
 690 static void hptiop_post_req_itl(struct hptiop_hba *hba,
 691                                         struct hptiop_request *_req)
 692 {
 693         struct hpt_iop_request_header *reqhdr = _req->req_virt;
 694
 695         reqhdr->context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT |
 696                                                         (u32)_req->index);
 697         reqhdr->context_hi32 = 0;
 698
 699         if (hba->iopintf_v2) {
 700                 u32 size, size_bits;
 701
 702                 size = le32_to_cpu(reqhdr->size);
 703                 if (size < 256)
 704                         size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT;
 705                 else if (size < 512)
 706                         size_bits = IOPMU_QUEUE_ADDR_HOST_BIT;
 707                 else
 708                         size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT |
 709                                                 IOPMU_QUEUE_ADDR_HOST_BIT;
 710                 writel(_req->req_shifted_phy | size_bits,
 711                         &hba->u.itl.iop->inbound_queue);
 712         } else
 713                 writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT,
 714                                         &hba->u.itl.iop->inbound_queue);
 715 }
 716
 717 static void hptiop_post_req_mv(struct hptiop_hba *hba,
 718                                         struct hptiop_request *_req)
 719 {
 720         struct hpt_iop_request_header *reqhdr = _req->req_virt;
 721         u32 size, size_bit;
 722
 723         reqhdr->context = cpu_to_le32(_req->index<<8 |
 724                                         IOP_REQUEST_TYPE_SCSI_COMMAND<<5);
 725         reqhdr->context_hi32 = 0;
 726         size = le32_to_cpu(reqhdr->size);
 727
 728         if (size <= 256)
 729                 size_bit = 0;
 730         else if (size <= 256*2)
 731                 size_bit = 1;
 732         else if (size <= 256*3)
 733                 size_bit = 2;
 734         else
 735                 size_bit = 3;
 736
 737         mv_inbound_write((_req->req_shifted_phy << 5) |
 738                 MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bit, hba);
 739 }
 740
 741 static int hptiop_queuecommand(struct scsi_cmnd *scp,
 742                                 void (*done)(struct scsi_cmnd *))
 743 {
 744         struct Scsi_Host *host = scp->device->host;
 745         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
 746         struct hpt_iop_request_scsi_command *req;
 747         int sg_count = 0;
 748         struct hptiop_request *_req;
 749
 750         BUG_ON(!done);
 751         scp->scsi_done = done;
 752
 753         _req = get_req(hba);
 754         if (_req == NULL) {
 755                 dprintk("hptiop_queuecmd : no free req\n");
 756                 return SCSI_MLQUEUE_HOST_BUSY;
 757         }
 758
 759         _req->scp = scp;
 760
 761         dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%d cdb=(%x-%x-%x) "
 762                         "req_index=%d, req=%p\n",
 763                         scp,
 764                         host->host_no, scp->device->channel,
 765                         scp->device->id, scp->device->lun,
 766                         ((u32 *)scp->cmnd)[0],
 767                         ((u32 *)scp->cmnd)[1],
 768                         ((u32 *)scp->cmnd)[2],
 769                         _req->index, _req->req_virt);
 770
 771         scp->result = 0;
 772
 773         if (scp->device->channel || scp->device->lun ||
 774                         scp->device->id > hba->max_devices) {
 775                 scp->result = DID_BAD_TARGET << 16;
 776                 free_req(hba, _req);
 777                 goto cmd_done;
 778         }
 779
 780         req = _req->req_virt;
 781
 782         /* build S/G table */
 783         sg_count = hptiop_buildsgl(scp, req->sg_list);
 784         if (!sg_count)
 785                 HPT_SCP(scp)->mapped = 0;
 786
 787         req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
 788         req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND);
 789         req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
 790         req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp));
 791         req->channel = scp->device->channel;
 792         req->target = scp->device->id;
 793         req->lun = scp->device->lun;
 794         req->header.size = cpu_to_le32(
 795                                 sizeof(struct hpt_iop_request_scsi_command)
 796                                  - sizeof(struct hpt_iopsg)
 797                                  + sg_count * sizeof(struct hpt_iopsg));
 798
 799         memcpy(req->cdb, scp->cmnd, sizeof(req->cdb));
 800         hba->ops->post_req(hba, _req);
 801         return 0;
 802
 803 cmd_done:
 804         dprintk("scsi_done(scp=%p)\n", scp);
 805         scp->scsi_done(scp);
 806         return 0;
 807 }
 808
 809 static const char *hptiop_info(struct Scsi_Host *host)
 810 {
 811         return driver_name_long;
 812 }
 813
 814 static int hptiop_reset_hba(struct hptiop_hba *hba)
 815 {
 816         if (atomic_xchg(&hba->resetting, 1) == 0) {
 817                 atomic_inc(&hba->reset_count);
 818                 hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET);
 819         }
 820
 821         wait_event_timeout(hba->reset_wq,
 822                         atomic_read(&hba->resetting) == 0, 60 * HZ);
 823
 824         if (atomic_read(&hba->resetting)) {
 825                 /* IOP is in unkown state, abort reset */
 826                 printk(KERN_ERR "scsi%d: reset failed\n", hba->host->host_no);
 827                 return -1;
 828         }
 829
 830         if (iop_send_sync_msg(hba,
 831                 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
 832                 dprintk("scsi%d: fail to start background task\n",
 833                                 hba->host->host_no);
 834         }
 835
 836         return 0;
 837 }
 838
 839 static int hptiop_reset(struct scsi_cmnd *scp)
 840 {
 841         struct Scsi_Host * host = scp->device->host;
 842         struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata;
 843
 844         printk(KERN_WARNING "hptiop_reset(%d/%d/%d) scp=%p\n",
 845                         scp->device->host->host_no, scp->device->channel,
 846                         scp->device->id, scp);
 847
 848         return hptiop_reset_hba(hba)? FAILED : SUCCESS;
 849 }
 850
 851 static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev,
 852                                                 int queue_depth)
 853 {
 854         struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata;
 855
 856         if (queue_depth > hba->max_requests)
 857                 queue_depth = hba->max_requests;
 858         scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth);
 859         return queue_depth;
 860 }
 861
 862 static ssize_t hptiop_show_version(struct device *dev,
 863                                    struct device_attribute *attr, char *buf)
 864 {
 865         return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver);
 866 }
 867
 868 static ssize_t hptiop_show_fw_version(struct device *dev,
 869                                       struct device_attribute *attr, char *buf)
 870 {
 871         struct Scsi_Host *host = class_to_shost(dev);
 872         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
 873
 874         return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n",
 875                                 hba->firmware_version >> 24,
 876                                 (hba->firmware_version >> 16) & 0xff,
 877                                 (hba->firmware_version >> 8) & 0xff,
 878                                 hba->firmware_version & 0xff);
 879 }
 880
 881 static struct device_attribute hptiop_attr_version = {
 882         .attr = {
 883                 .name = "driver-version",
 884                 .mode = S_IRUGO,
 885         },
 886         .show = hptiop_show_version,
 887 };
 888
 889 static struct device_attribute hptiop_attr_fw_version = {
 890         .attr = {
 891                 .name = "firmware-version",
 892                 .mode = S_IRUGO,
 893         },
 894         .show = hptiop_show_fw_version,
 895 };
 896
 897 static struct device_attribute *hptiop_attrs[] = {
 898         &hptiop_attr_version,
 899         &hptiop_attr_fw_version,
 900         NULL
 901 };
 902
 903 static struct scsi_host_template driver_template = {
 904         .module                     = THIS_MODULE,
 905         .name                       = driver_name,
 906         .queuecommand               = hptiop_queuecommand,
 907         .eh_device_reset_handler    = hptiop_reset,
 908         .eh_bus_reset_handler       = hptiop_reset,
 909         .info                       = hptiop_info,
 910         .emulated                   = 0,
 911         .use_clustering             = ENABLE_CLUSTERING,
 912         .proc_name                  = driver_name,
 913         .shost_attrs                = hptiop_attrs,
 914         .this_id                    = -1,
 915         .change_queue_depth         = hptiop_adjust_disk_queue_depth,
 916 };
 917
 918 static int hptiop_internal_memalloc_mv(struct hptiop_hba *hba)
 919 {
 920         hba->u.mv.internal_req = dma_alloc_coherent(&hba->pcidev->dev,
 921                         0x800, &hba->u.mv.internal_req_phy, GFP_KERNEL);
 922         if (hba->u.mv.internal_req)
 923                 return 0;
 924         else
 925                 return -1;
 926 }
 927
 928 static int hptiop_internal_memfree_mv(struct hptiop_hba *hba)
 929 {
 930         if (hba->u.mv.internal_req) {
 931                 dma_free_coherent(&hba->pcidev->dev, 0x800,
 932                         hba->u.mv.internal_req, hba->u.mv.internal_req_phy);
 933                 return 0;
 934         } else
 935                 return -1;
 936 }
 937
 938 static int __devinit hptiop_probe(struct pci_dev *pcidev,
 939                                         const struct pci_device_id *id)
 940 {
 941         struct Scsi_Host *host = NULL;
 942         struct hptiop_hba *hba;
 943         struct hpt_iop_request_get_config iop_config;
 944         struct hpt_iop_request_set_config set_config;
 945         dma_addr_t start_phy;
 946         void *start_virt;
 947         u32 offset, i, req_size;
 948
 949         dprintk("hptiop_probe(%p)\n", pcidev);
 950
 951         if (pci_enable_device(pcidev)) {
 952                 printk(KERN_ERR "hptiop: fail to enable pci device\n");
 953                 return -ENODEV;
 954         }
 955
 956         printk(KERN_INFO "adapter at PCI %d:%d:%d, IRQ %d\n",
 957                 pcidev->bus->number, pcidev->devfn >> 3, pcidev->devfn & 7,
 958                 pcidev->irq);
 959
 960         pci_set_master(pcidev);
 961
 962         /* Enable 64bit DMA if possible */
 963         if (pci_set_dma_mask(pcidev, DMA_64BIT_MASK)) {
 964                 if (pci_set_dma_mask(pcidev, DMA_32BIT_MASK)) {
 965                         printk(KERN_ERR "hptiop: fail to set dma_mask\n");
 966                         goto disable_pci_device;
 967                 }
 968         }
 969
 970         if (pci_request_regions(pcidev, driver_name)) {
 971                 printk(KERN_ERR "hptiop: pci_request_regions failed\n");
 972                 goto disable_pci_device;
 973         }
 974
 975         host = scsi_host_alloc(&driver_template, sizeof(struct hptiop_hba));
 976         if (!host) {
 977                 printk(KERN_ERR "hptiop: fail to alloc scsi host\n");
 978                 goto free_pci_regions;
 979         }
 980
 981         hba = (struct hptiop_hba *)host->hostdata;
 982
 983         hba->ops = (struct hptiop_adapter_ops *)id->driver_data;
 984         hba->pcidev = pcidev;
 985         hba->host = host;
 986         hba->initialized = 0;
 987         hba->iopintf_v2 = 0;
 988
 989         atomic_set(&hba->resetting, 0);
 990         atomic_set(&hba->reset_count, 0);
 991
 992         init_waitqueue_head(&hba->reset_wq);
 993         init_waitqueue_head(&hba->ioctl_wq);
 994
 995         host->max_lun = 1;
 996         host->max_channel = 0;
 997         host->io_port = 0;
 998         host->n_io_port = 0;
 999         host->irq = pcidev->irq;
1000
1001         if (hba->ops->map_pci_bar(hba))
1002                 goto free_scsi_host;
1003
1004         if (hba->ops->iop_wait_ready(hba, 20000)) {
1005                 printk(KERN_ERR "scsi%d: firmware not ready\n",
1006                                 hba->host->host_no);
1007                 goto unmap_pci_bar;
1008         }
1009
1010         if (hba->ops->internal_memalloc) {
1011                 if (hba->ops->internal_memalloc(hba)) {
1012                         printk(KERN_ERR "scsi%d: internal_memalloc failed\n",
1013                                 hba->host->host_no);
1014                         goto unmap_pci_bar;
1015                 }
1016         }
1017
1018         if (hba->ops->get_config(hba, &iop_config)) {
1019                 printk(KERN_ERR "scsi%d: get config failed\n",
1020                                 hba->host->host_no);
1021                 goto unmap_pci_bar;
1022         }
1023
1024         hba->max_requests = min(le32_to_cpu(iop_config.max_requests),
1025                                 HPTIOP_MAX_REQUESTS);
1026         hba->max_devices = le32_to_cpu(iop_config.max_devices);
1027         hba->max_request_size = le32_to_cpu(iop_config.request_size);
1028         hba->max_sg_descriptors = le32_to_cpu(iop_config.max_sg_count);
1029         hba->firmware_version = le32_to_cpu(iop_config.firmware_version);
1030         hba->interface_version = le32_to_cpu(iop_config.interface_version);
1031         hba->sdram_size = le32_to_cpu(iop_config.sdram_size);
1032
1033         if (hba->firmware_version > 0x01020000 ||
1034                         hba->interface_version > 0x01020000)
1035                 hba->iopintf_v2 = 1;
1036
1037         host->max_sectors = le32_to_cpu(iop_config.data_transfer_length) >> 9;
1038         host->max_id = le32_to_cpu(iop_config.max_devices);
1039         host->sg_tablesize = le32_to_cpu(iop_config.max_sg_count);
1040         host->can_queue = le32_to_cpu(iop_config.max_requests);
1041         host->cmd_per_lun = le32_to_cpu(iop_config.max_requests);
1042         host->max_cmd_len = 16;
1043
1044         req_size = sizeof(struct hpt_iop_request_scsi_command)
1045                 + sizeof(struct hpt_iopsg) * (hba->max_sg_descriptors - 1);
1046         if ((req_size & 0x1f) != 0)
1047                 req_size = (req_size + 0x1f) & ~0x1f;
1048
1049         memset(&set_config, 0, sizeof(struct hpt_iop_request_set_config));
1050         set_config.iop_id = cpu_to_le32(host->host_no);
1051         set_config.vbus_id = cpu_to_le16(host->host_no);
1052         set_config.max_host_request_size = cpu_to_le16(req_size);
1053
1054         if (hba->ops->set_config(hba, &set_config)) {
1055                 printk(KERN_ERR "scsi%d: set config failed\n",
1056                                 hba->host->host_no);
1057                 goto unmap_pci_bar;
1058         }
1059
1060         pci_set_drvdata(pcidev, host);
1061
1062         if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED,
1063                                         driver_name, hba)) {
1064                 printk(KERN_ERR "scsi%d: request irq %d failed\n",
1065                                         hba->host->host_no, pcidev->irq);
1066                 goto unmap_pci_bar;
1067         }
1068
1069         /* Allocate request mem */
1070
1071         dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests);
1072
1073         hba->req_size = req_size;
1074         start_virt = dma_alloc_coherent(&pcidev->dev,
1075                                 hba->req_size*hba->max_requests + 0x20,
1076                                 &start_phy, GFP_KERNEL);
1077
1078         if (!start_virt) {
1079                 printk(KERN_ERR "scsi%d: fail to alloc request mem\n",
1080                                         hba->host->host_no);
1081                 goto free_request_irq;
1082         }
1083
1084         hba->dma_coherent = start_virt;
1085         hba->dma_coherent_handle = start_phy;
1086
1087         if ((start_phy & 0x1f) != 0)
1088         {
1089                 offset = ((start_phy + 0x1f) & ~0x1f) - start_phy;
1090                 start_phy += offset;
1091                 start_virt += offset;
1092         }
1093
1094         hba->req_list = start_virt;
1095         for (i = 0; i < hba->max_requests; i++) {
1096                 hba->reqs[i].next = NULL;
1097                 hba->reqs[i].req_virt = start_virt;
1098                 hba->reqs[i].req_shifted_phy = start_phy >> 5;
1099                 hba->reqs[i].index = i;
1100                 free_req(hba, &hba->reqs[i]);
1101                 start_virt = (char *)start_virt + hba->req_size;
1102                 start_phy = start_phy + hba->req_size;
1103         }
1104
1105         /* Enable Interrupt and start background task */
1106         if (hptiop_initialize_iop(hba))
1107                 goto free_request_mem;
1108
1109         if (scsi_add_host(host, &pcidev->dev)) {
1110                 printk(KERN_ERR "scsi%d: scsi_add_host failed\n",
1111                                         hba->host->host_no);
1112                 goto free_request_mem;
1113         }
1114
1115
1116         scsi_scan_host(host);
1117
1118         dprintk("scsi%d: hptiop_probe successfully\n", hba->host->host_no);
1119         return 0;
1120
1121 free_request_mem:
1122         dma_free_coherent(&hba->pcidev->dev,
1123                         hba->req_size * hba->max_requests + 0x20,
1124                         hba->dma_coherent, hba->dma_coherent_handle);
1125
1126 free_request_irq:
1127         free_irq(hba->pcidev->irq, hba);
1128
1129 unmap_pci_bar:
1130         if (hba->ops->internal_memfree)
1131                 hba->ops->internal_memfree(hba);
1132
1133         hba->ops->unmap_pci_bar(hba);
1134
1135 free_scsi_host:
1136         scsi_host_put(host);
1137
1138 free_pci_regions:
1139         pci_release_regions(pcidev);
1140
1141 disable_pci_device:
1142         pci_disable_device(pcidev);
1143
1144         dprintk("scsi%d: hptiop_probe fail\n", host->host_no);
1145         return -ENODEV;
1146 }
1147
1148 static void hptiop_shutdown(struct pci_dev *pcidev)
1149 {
1150         struct Scsi_Host *host = pci_get_drvdata(pcidev);
1151         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1152
1153         dprintk("hptiop_shutdown(%p)\n", hba);
1154
1155         /* stop the iop */
1156         if (iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_SHUTDOWN, 60000))
1157                 printk(KERN_ERR "scsi%d: shutdown the iop timeout\n",
1158                                         hba->host->host_no);
1159
1160         /* disable all outbound interrupts */
1161         hba->ops->disable_intr(hba);
1162 }
1163
1164 static void hptiop_disable_intr_itl(struct hptiop_hba *hba)
1165 {
1166         u32 int_mask;
1167
1168         int_mask = readl(&hba->u.itl.iop->outbound_intmask);
1169         writel(int_mask |
1170                 IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE,
1171                 &hba->u.itl.iop->outbound_intmask);
1172         readl(&hba->u.itl.iop->outbound_intmask);
1173 }
1174
1175 static void hptiop_disable_intr_mv(struct hptiop_hba *hba)
1176 {
1177         writel(0, &hba->u.mv.regs->outbound_intmask);
1178         readl(&hba->u.mv.regs->outbound_intmask);
1179 }
1180
1181 static void hptiop_remove(struct pci_dev *pcidev)
1182 {
1183         struct Scsi_Host *host = pci_get_drvdata(pcidev);
1184         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1185
1186         dprintk("scsi%d: hptiop_remove\n", hba->host->host_no);
1187
1188         scsi_remove_host(host);
1189
1190         hptiop_shutdown(pcidev);
1191
1192         free_irq(hba->pcidev->irq, hba);
1193
1194         dma_free_coherent(&hba->pcidev->dev,
1195                         hba->req_size * hba->max_requests + 0x20,
1196                         hba->dma_coherent,
1197                         hba->dma_coherent_handle);
1198
1199         if (hba->ops->internal_memfree)
1200                 hba->ops->internal_memfree(hba);
1201
1202         hba->ops->unmap_pci_bar(hba);
1203
1204         pci_release_regions(hba->pcidev);
1205         pci_set_drvdata(hba->pcidev, NULL);
1206         pci_disable_device(hba->pcidev);
1207
1208         scsi_host_put(host);
1209 }
1210
1211 static struct hptiop_adapter_ops hptiop_itl_ops = {
1212         .iop_wait_ready    = iop_wait_ready_itl,
1213         .internal_memalloc = NULL,
1214         .internal_memfree  = NULL,
1215         .map_pci_bar       = hptiop_map_pci_bar_itl,
1216         .unmap_pci_bar     = hptiop_unmap_pci_bar_itl,
1217         .enable_intr       = hptiop_enable_intr_itl,
1218         .disable_intr      = hptiop_disable_intr_itl,
1219         .get_config        = iop_get_config_itl,
1220         .set_config        = iop_set_config_itl,
1221         .iop_intr          = iop_intr_itl,
1222         .post_msg          = hptiop_post_msg_itl,
1223         .post_req          = hptiop_post_req_itl,
1224 };
1225
1226 static struct hptiop_adapter_ops hptiop_mv_ops = {
1227         .iop_wait_ready    = iop_wait_ready_mv,
1228         .internal_memalloc = hptiop_internal_memalloc_mv,
1229         .internal_memfree  = hptiop_internal_memfree_mv,
1230         .map_pci_bar       = hptiop_map_pci_bar_mv,
1231         .unmap_pci_bar     = hptiop_unmap_pci_bar_mv,
1232         .enable_intr       = hptiop_enable_intr_mv,
1233         .disable_intr      = hptiop_disable_intr_mv,
1234         .get_config        = iop_get_config_mv,
1235         .set_config        = iop_set_config_mv,
1236         .iop_intr          = iop_intr_mv,
1237         .post_msg          = hptiop_post_msg_mv,
1238         .post_req          = hptiop_post_req_mv,
1239 };
1240
1241 static struct pci_device_id hptiop_id_table[] = {
1242         { PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops },
1243         { PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops },
1244         { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops },
1245         { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops },
1246         { PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops },
1247         { PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops },
1248         { PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops },
1249         { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops },
1250         { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops },
1251         { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops },
1252         { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops },
1253         { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops },
1254         { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops },
1255         {},
1256 };
1257
1258 MODULE_DEVICE_TABLE(pci, hptiop_id_table);
1259
1260 static struct pci_driver hptiop_pci_driver = {
1261         .name       = driver_name,
1262         .id_table   = hptiop_id_table,
1263         .probe      = hptiop_probe,
1264         .remove     = hptiop_remove,
1265         .shutdown   = hptiop_shutdown,
1266 };
1267
1268 static int __init hptiop_module_init(void)
1269 {
1270         printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver);
1271         return pci_register_driver(&hptiop_pci_driver);
1272 }
1273
1274 static void __exit hptiop_module_exit(void)
1275 {
1276         pci_unregister_driver(&hptiop_pci_driver);
1277 }
1278
1279
1280 module_init(hptiop_module_init);
1281 module_exit(hptiop_module_exit);
1282
1283 MODULE_LICENSE("GPL");
1284