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_le64(IOP_REQUEST_TYPE_GET_CONFIG<<5);
 342
 343         if (iop_send_sync_request_mv(hba, 0, 20000)) {
 344                 dprintk("Get config send cmd failed\n");
 345                 return -1;
 346         }
 347
 348         memcpy(config, req, sizeof(struct hpt_iop_request_get_config));
 349         return 0;
 350 }
 351
 352 static int iop_set_config_itl(struct hptiop_hba *hba,
 353                                 struct hpt_iop_request_set_config *config)
 354 {
 355         u32 req32;
 356         struct hpt_iop_request_set_config __iomem *req;
 357
 358         req32 = readl(&hba->u.itl.iop->inbound_queue);
 359         if (req32 == IOPMU_QUEUE_EMPTY)
 360                 return -1;
 361
 362         req = (struct hpt_iop_request_set_config __iomem *)
 363                         ((unsigned long)hba->u.itl.iop + req32);
 364
 365         memcpy_toio((u8 __iomem *)req + sizeof(struct hpt_iop_request_header),
 366                 (u8 *)config + sizeof(struct hpt_iop_request_header),
 367                 sizeof(struct hpt_iop_request_set_config) -
 368                         sizeof(struct hpt_iop_request_header));
 369
 370         writel(0, &req->header.flags);
 371         writel(IOP_REQUEST_TYPE_SET_CONFIG, &req->header.type);
 372         writel(sizeof(struct hpt_iop_request_set_config), &req->header.size);
 373         writel(IOP_RESULT_PENDING, &req->header.result);
 374
 375         if (iop_send_sync_request_itl(hba, req, 20000)) {
 376                 dprintk("Set config send cmd failed\n");
 377                 return -1;
 378         }
 379
 380         writel(req32, &hba->u.itl.iop->outbound_queue);
 381         return 0;
 382 }
 383
 384 static int iop_set_config_mv(struct hptiop_hba *hba,
 385                                 struct hpt_iop_request_set_config *config)
 386 {
 387         struct hpt_iop_request_set_config *req = hba->u.mv.internal_req;
 388
 389         memcpy(req, config, sizeof(struct hpt_iop_request_set_config));
 390         req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
 391         req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG);
 392         req->header.size =
 393                 cpu_to_le32(sizeof(struct hpt_iop_request_set_config));
 394         req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
 395         req->header.context = cpu_to_le64(IOP_REQUEST_TYPE_SET_CONFIG<<5);
 396
 397         if (iop_send_sync_request_mv(hba, 0, 20000)) {
 398                 dprintk("Set config send cmd failed\n");
 399                 return -1;
 400         }
 401
 402         return 0;
 403 }
 404
 405 static void hptiop_enable_intr_itl(struct hptiop_hba *hba)
 406 {
 407         writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0),
 408                 &hba->u.itl.iop->outbound_intmask);
 409 }
 410
 411 static void hptiop_enable_intr_mv(struct hptiop_hba *hba)
 412 {
 413         writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE | MVIOP_MU_OUTBOUND_INT_MSG,
 414                 &hba->u.mv.regs->outbound_intmask);
 415 }
 416
 417 static int hptiop_initialize_iop(struct hptiop_hba *hba)
 418 {
 419         /* enable interrupts */
 420         hba->ops->enable_intr(hba);
 421
 422         hba->initialized = 1;
 423
 424         /* start background tasks */
 425         if (iop_send_sync_msg(hba,
 426                         IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
 427                 printk(KERN_ERR "scsi%d: fail to start background task\n",
 428                         hba->host->host_no);
 429                 return -1;
 430         }
 431         return 0;
 432 }
 433
 434 static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index)
 435 {
 436         u32 mem_base_phy, length;
 437         void __iomem *mem_base_virt;
 438
 439         struct pci_dev *pcidev = hba->pcidev;
 440
 441
 442         if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) {
 443                 printk(KERN_ERR "scsi%d: pci resource invalid\n",
 444                                 hba->host->host_no);
 445                 return 0;
 446         }
 447
 448         mem_base_phy = pci_resource_start(pcidev, index);
 449         length = pci_resource_len(pcidev, index);
 450         mem_base_virt = ioremap(mem_base_phy, length);
 451
 452         if (!mem_base_virt) {
 453                 printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n",
 454                                 hba->host->host_no);
 455                 return 0;
 456         }
 457         return mem_base_virt;
 458 }
 459
 460 static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba)
 461 {
 462         hba->u.itl.iop = hptiop_map_pci_bar(hba, 0);
 463         if (hba->u.itl.iop)
 464                 return 0;
 465         else
 466                 return -1;
 467 }
 468
 469 static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba)
 470 {
 471         iounmap(hba->u.itl.iop);
 472 }
 473
 474 static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba)
 475 {
 476         hba->u.mv.regs = hptiop_map_pci_bar(hba, 0);
 477         if (hba->u.mv.regs == 0)
 478                 return -1;
 479
 480         hba->u.mv.mu = hptiop_map_pci_bar(hba, 2);
 481         if (hba->u.mv.mu == 0) {
 482                 iounmap(hba->u.mv.regs);
 483                 return -1;
 484         }
 485
 486         return 0;
 487 }
 488
 489 static void hptiop_unmap_pci_bar_mv(struct hptiop_hba *hba)
 490 {
 491         iounmap(hba->u.mv.regs);
 492         iounmap(hba->u.mv.mu);
 493 }
 494
 495 static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg)
 496 {
 497         dprintk("iop message 0x%x\n", msg);
 498
 499         if (msg == IOPMU_INBOUND_MSG0_NOP)
 500                 hba->msg_done = 1;
 501
 502         if (!hba->initialized)
 503                 return;
 504
 505         if (msg == IOPMU_INBOUND_MSG0_RESET) {
 506                 atomic_set(&hba->resetting, 0);
 507                 wake_up(&hba->reset_wq);
 508         }
 509         else if (msg <= IOPMU_INBOUND_MSG0_MAX)
 510                 hba->msg_done = 1;
 511 }
 512
 513 static struct hptiop_request *get_req(struct hptiop_hba *hba)
 514 {
 515         struct hptiop_request *ret;
 516
 517         dprintk("get_req : req=%p\n", hba->req_list);
 518
 519         ret = hba->req_list;
 520         if (ret)
 521                 hba->req_list = ret->next;
 522
 523         return ret;
 524 }
 525
 526 static void free_req(struct hptiop_hba *hba, struct hptiop_request *req)
 527 {
 528         dprintk("free_req(%d, %p)\n", req->index, req);
 529         req->next = hba->req_list;
 530         hba->req_list = req;
 531 }
 532
 533 static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
 534                                 struct hpt_iop_request_scsi_command *req)
 535 {
 536         struct scsi_cmnd *scp;
 537
 538         dprintk("hptiop_finish_scsi_req: req=%p, type=%d, "
 539                         "result=%d, context=0x%x tag=%d\n",
 540                         req, req->header.type, req->header.result,
 541                         req->header.context, tag);
 542
 543         BUG_ON(!req->header.result);
 544         BUG_ON(req->header.type != cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND));
 545
 546         scp = hba->reqs[tag].scp;
 547
 548         if (HPT_SCP(scp)->mapped)
 549                 scsi_dma_unmap(scp);
 550
 551         switch (le32_to_cpu(req->header.result)) {
 552         case IOP_RESULT_SUCCESS:
 553                 scsi_set_resid(scp,
 554                         scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
 555                 scp->result = (DID_OK<<16);
 556                 break;
 557         case IOP_RESULT_BAD_TARGET:
 558                 scp->result = (DID_BAD_TARGET<<16);
 559                 break;
 560         case IOP_RESULT_BUSY:
 561                 scp->result = (DID_BUS_BUSY<<16);
 562                 break;
 563         case IOP_RESULT_RESET:
 564                 scp->result = (DID_RESET<<16);
 565                 break;
 566         case IOP_RESULT_FAIL:
 567                 scp->result = (DID_ERROR<<16);
 568                 break;
 569         case IOP_RESULT_INVALID_REQUEST:
 570                 scp->result = (DID_ABORT<<16);
 571                 break;
 572         case IOP_RESULT_CHECK_CONDITION:
 573                 scsi_set_resid(scp,
 574                         scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
 575                 scp->result = SAM_STAT_CHECK_CONDITION;
 576                 memcpy(&scp->sense_buffer, &req->sg_list,
 577                                 min_t(size_t, SCSI_SENSE_BUFFERSIZE,
 578                                         le32_to_cpu(req->dataxfer_length)));
 579                 break;
 580
 581         default:
 582                 scp->result = ((DRIVER_INVALID|SUGGEST_ABORT)<<24) |
 583                                         (DID_ABORT<<16);
 584                 break;
 585         }
 586
 587         dprintk("scsi_done(%p)\n", scp);
 588         scp->scsi_done(scp);
 589         free_req(hba, &hba->reqs[tag]);
 590 }
 591
 592 static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 _tag)
 593 {
 594         struct hpt_iop_request_scsi_command *req;
 595         u32 tag;
 596
 597         if (hba->iopintf_v2) {
 598                 tag = _tag & ~IOPMU_QUEUE_REQUEST_RESULT_BIT;
 599                 req = hba->reqs[tag].req_virt;
 600                 if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT))
 601                         req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
 602         } else {
 603                 tag = _tag;
 604                 req = hba->reqs[tag].req_virt;
 605         }
 606
 607         hptiop_finish_scsi_req(hba, tag, req);
 608 }
 609
 610 void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
 611 {
 612         struct hpt_iop_request_header __iomem *req;
 613         struct hpt_iop_request_ioctl_command __iomem *p;
 614         struct hpt_ioctl_k *arg;
 615
 616         req = (struct hpt_iop_request_header __iomem *)
 617                         ((unsigned long)hba->u.itl.iop + tag);
 618         dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, "
 619                         "result=%d, context=0x%x tag=%d\n",
 620                         req, readl(&req->type), readl(&req->result),
 621                         readl(&req->context), tag);
 622
 623         BUG_ON(!readl(&req->result));
 624         BUG_ON(readl(&req->type) != IOP_REQUEST_TYPE_IOCTL_COMMAND);
 625
 626         p = (struct hpt_iop_request_ioctl_command __iomem *)req;
 627         arg = (struct hpt_ioctl_k *)(unsigned long)
 628                 (readl(&req->context) |
 629                         ((u64)readl(&req->context_hi32)<<32));
 630
 631         if (readl(&req->result) == IOP_RESULT_SUCCESS) {
 632                 arg->result = HPT_IOCTL_RESULT_OK;
 633
 634                 if (arg->outbuf_size)
 635                         memcpy_fromio(arg->outbuf,
 636                                 &p->buf[(readl(&p->inbuf_size) + 3)& ~3],
 637                                 arg->outbuf_size);
 638
 639                 if (arg->bytes_returned)
 640                         *arg->bytes_returned = arg->outbuf_size;
 641         }
 642         else
 643                 arg->result = HPT_IOCTL_RESULT_FAILED;
 644
 645         arg->done(arg);
 646         writel(tag, &hba->u.itl.iop->outbound_queue);
 647 }
 648
 649 static irqreturn_t hptiop_intr(int irq, void *dev_id)
 650 {
 651         struct hptiop_hba  *hba = dev_id;
 652         int  handled;
 653         unsigned long flags;
 654
 655         spin_lock_irqsave(hba->host->host_lock, flags);
 656         handled = hba->ops->iop_intr(hba);
 657         spin_unlock_irqrestore(hba->host->host_lock, flags);
 658
 659         return handled;
 660 }
 661
 662 static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg)
 663 {
 664         struct Scsi_Host *host = scp->device->host;
 665         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
 666         struct scatterlist *sg;
 667         int idx, nseg;
 668
 669         nseg = scsi_dma_map(scp);
 670         BUG_ON(nseg < 0);
 671         if (!nseg)
 672                 return 0;
 673
 674         HPT_SCP(scp)->sgcnt = nseg;
 675         HPT_SCP(scp)->mapped = 1;
 676
 677         BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
 678
 679         scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) {
 680                 psg[idx].pci_address = cpu_to_le64(sg_dma_address(sg));
 681                 psg[idx].size = cpu_to_le32(sg_dma_len(sg));
 682                 psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
 683                         cpu_to_le32(1) : 0;
 684         }
 685         return HPT_SCP(scp)->sgcnt;
 686 }
 687
 688 static void hptiop_post_req_itl(struct hptiop_hba *hba,
 689                                         struct hptiop_request *_req)
 690 {
 691         struct hpt_iop_request_header *reqhdr = _req->req_virt;
 692
 693         reqhdr->context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT |
 694                                                         (u32)_req->index);
 695         reqhdr->context_hi32 = 0;
 696
 697         if (hba->iopintf_v2) {
 698                 u32 size, size_bits;
 699
 700                 size = le32_to_cpu(reqhdr->size);
 701                 if (size < 256)
 702                         size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT;
 703                 else if (size < 512)
 704                         size_bits = IOPMU_QUEUE_ADDR_HOST_BIT;
 705                 else
 706                         size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT |
 707                                                 IOPMU_QUEUE_ADDR_HOST_BIT;
 708                 writel(_req->req_shifted_phy | size_bits,
 709                         &hba->u.itl.iop->inbound_queue);
 710         } else
 711                 writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT,
 712                                         &hba->u.itl.iop->inbound_queue);
 713 }
 714
 715 static void hptiop_post_req_mv(struct hptiop_hba *hba,
 716                                         struct hptiop_request *_req)
 717 {
 718         struct hpt_iop_request_header *reqhdr = _req->req_virt;
 719         u32 size, size_bit;
 720
 721         reqhdr->context = cpu_to_le32(_req->index<<8 |
 722                                         IOP_REQUEST_TYPE_SCSI_COMMAND<<5);
 723         reqhdr->context_hi32 = 0;
 724         size = le32_to_cpu(reqhdr->size);
 725
 726         if (size <= 256)
 727                 size_bit = 0;
 728         else if (size <= 256*2)
 729                 size_bit = 1;
 730         else if (size <= 256*3)
 731                 size_bit = 2;
 732         else
 733                 size_bit = 3;
 734
 735         mv_inbound_write((_req->req_shifted_phy << 5) |
 736                 MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bit, hba);
 737 }
 738
 739 static int hptiop_queuecommand(struct scsi_cmnd *scp,
 740                                 void (*done)(struct scsi_cmnd *))
 741 {
 742         struct Scsi_Host *host = scp->device->host;
 743         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
 744         struct hpt_iop_request_scsi_command *req;
 745         int sg_count = 0;
 746         struct hptiop_request *_req;
 747
 748         BUG_ON(!done);
 749         scp->scsi_done = done;
 750
 751         _req = get_req(hba);
 752         if (_req == NULL) {
 753                 dprintk("hptiop_queuecmd : no free req\n");
 754                 return SCSI_MLQUEUE_HOST_BUSY;
 755         }
 756
 757         _req->scp = scp;
 758
 759         dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%d cdb=(%x-%x-%x) "
 760                         "req_index=%d, req=%p\n",
 761                         scp,
 762                         host->host_no, scp->device->channel,
 763                         scp->device->id, scp->device->lun,
 764                         *((u32 *)&scp->cmnd),
 765                         *((u32 *)&scp->cmnd + 1),
 766                         *((u32 *)&scp->cmnd + 2),
 767                         _req->index, _req->req_virt);
 768
 769         scp->result = 0;
 770
 771         if (scp->device->channel || scp->device->lun ||
 772                         scp->device->id > hba->max_devices) {
 773                 scp->result = DID_BAD_TARGET << 16;
 774                 free_req(hba, _req);
 775                 goto cmd_done;
 776         }
 777
 778         req = _req->req_virt;
 779
 780         /* build S/G table */
 781         sg_count = hptiop_buildsgl(scp, req->sg_list);
 782         if (!sg_count)
 783                 HPT_SCP(scp)->mapped = 0;
 784
 785         req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
 786         req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND);
 787         req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
 788         req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp));
 789         req->channel = scp->device->channel;
 790         req->target = scp->device->id;
 791         req->lun = scp->device->lun;
 792         req->header.size = cpu_to_le32(
 793                                 sizeof(struct hpt_iop_request_scsi_command)
 794                                  - sizeof(struct hpt_iopsg)
 795                                  + sg_count * sizeof(struct hpt_iopsg));
 796
 797         memcpy(req->cdb, scp->cmnd, sizeof(req->cdb));
 798         hba->ops->post_req(hba, _req);
 799         return 0;
 800
 801 cmd_done:
 802         dprintk("scsi_done(scp=%p)\n", scp);
 803         scp->scsi_done(scp);
 804         return 0;
 805 }
 806
 807 static const char *hptiop_info(struct Scsi_Host *host)
 808 {
 809         return driver_name_long;
 810 }
 811
 812 static int hptiop_reset_hba(struct hptiop_hba *hba)
 813 {
 814         if (atomic_xchg(&hba->resetting, 1) == 0) {
 815                 atomic_inc(&hba->reset_count);
 816                 hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET);
 817         }
 818
 819         wait_event_timeout(hba->reset_wq,
 820                         atomic_read(&hba->resetting) == 0, 60 * HZ);
 821
 822         if (atomic_read(&hba->resetting)) {
 823                 /* IOP is in unkown state, abort reset */
 824                 printk(KERN_ERR "scsi%d: reset failed\n", hba->host->host_no);
 825                 return -1;
 826         }
 827
 828         if (iop_send_sync_msg(hba,
 829                 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
 830                 dprintk("scsi%d: fail to start background task\n",
 831                                 hba->host->host_no);
 832         }
 833
 834         return 0;
 835 }
 836
 837 static int hptiop_reset(struct scsi_cmnd *scp)
 838 {
 839         struct Scsi_Host * host = scp->device->host;
 840         struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata;
 841
 842         printk(KERN_WARNING "hptiop_reset(%d/%d/%d) scp=%p\n",
 843                         scp->device->host->host_no, scp->device->channel,
 844                         scp->device->id, scp);
 845
 846         return hptiop_reset_hba(hba)? FAILED : SUCCESS;
 847 }
 848
 849 static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev,
 850                                                 int queue_depth)
 851 {
 852         struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata;
 853
 854         if (queue_depth > hba->max_requests)
 855                 queue_depth = hba->max_requests;
 856         scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth);
 857         return queue_depth;
 858 }
 859
 860 static ssize_t hptiop_show_version(struct class_device *class_dev, char *buf)
 861 {
 862         return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver);
 863 }
 864
 865 static ssize_t hptiop_show_fw_version(struct class_device *class_dev, char *buf)
 866 {
 867         struct Scsi_Host *host = class_to_shost(class_dev);
 868         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
 869
 870         return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n",
 871                                 hba->firmware_version >> 24,
 872                                 (hba->firmware_version >> 16) & 0xff,
 873                                 (hba->firmware_version >> 8) & 0xff,
 874                                 hba->firmware_version & 0xff);
 875 }
 876
 877 static struct class_device_attribute hptiop_attr_version = {
 878         .attr = {
 879                 .name = "driver-version",
 880                 .mode = S_IRUGO,
 881         },
 882         .show = hptiop_show_version,
 883 };
 884
 885 static struct class_device_attribute hptiop_attr_fw_version = {
 886         .attr = {
 887                 .name = "firmware-version",
 888                 .mode = S_IRUGO,
 889         },
 890         .show = hptiop_show_fw_version,
 891 };
 892
 893 static struct class_device_attribute *hptiop_attrs[] = {
 894         &hptiop_attr_version,
 895         &hptiop_attr_fw_version,
 896         NULL
 897 };
 898
 899 static struct scsi_host_template driver_template = {
 900         .module                     = THIS_MODULE,
 901         .name                       = driver_name,
 902         .queuecommand               = hptiop_queuecommand,
 903         .eh_device_reset_handler    = hptiop_reset,
 904         .eh_bus_reset_handler       = hptiop_reset,
 905         .info                       = hptiop_info,
 906         .unchecked_isa_dma          = 0,
 907         .emulated                   = 0,
 908         .use_clustering             = ENABLE_CLUSTERING,
 909         .use_sg_chaining            = ENABLE_SG_CHAINING,
 910         .proc_name                  = driver_name,
 911         .shost_attrs                = hptiop_attrs,
 912         .this_id                    = -1,
 913         .change_queue_depth         = hptiop_adjust_disk_queue_depth,
 914 };
 915
 916 static int hptiop_internal_memalloc_mv(struct hptiop_hba *hba)
 917 {
 918         hba->u.mv.internal_req = dma_alloc_coherent(&hba->pcidev->dev,
 919                         0x800, &hba->u.mv.internal_req_phy, GFP_KERNEL);
 920         if (hba->u.mv.internal_req)
 921                 return 0;
 922         else
 923                 return -1;
 924 }
 925
 926 static int hptiop_internal_memfree_mv(struct hptiop_hba *hba)
 927 {
 928         if (hba->u.mv.internal_req) {
 929                 dma_free_coherent(&hba->pcidev->dev, 0x800,
 930                         hba->u.mv.internal_req, hba->u.mv.internal_req_phy);
 931                 return 0;
 932         } else
 933                 return -1;
 934 }
 935
 936 static int __devinit hptiop_probe(struct pci_dev *pcidev,
 937                                         const struct pci_device_id *id)
 938 {
 939         struct Scsi_Host *host = NULL;
 940         struct hptiop_hba *hba;
 941         struct hpt_iop_request_get_config iop_config;
 942         struct hpt_iop_request_set_config set_config;
 943         dma_addr_t start_phy;
 944         void *start_virt;
 945         u32 offset, i, req_size;
 946
 947         dprintk("hptiop_probe(%p)\n", pcidev);
 948
 949         if (pci_enable_device(pcidev)) {
 950                 printk(KERN_ERR "hptiop: fail to enable pci device\n");
 951                 return -ENODEV;
 952         }
 953
 954         printk(KERN_INFO "adapter at PCI %d:%d:%d, IRQ %d\n",
 955                 pcidev->bus->number, pcidev->devfn >> 3, pcidev->devfn & 7,
 956                 pcidev->irq);
 957
 958         pci_set_master(pcidev);
 959
 960         /* Enable 64bit DMA if possible */
 961         if (pci_set_dma_mask(pcidev, DMA_64BIT_MASK)) {
 962                 if (pci_set_dma_mask(pcidev, DMA_32BIT_MASK)) {
 963                         printk(KERN_ERR "hptiop: fail to set dma_mask\n");
 964                         goto disable_pci_device;
 965                 }
 966         }
 967
 968         if (pci_request_regions(pcidev, driver_name)) {
 969                 printk(KERN_ERR "hptiop: pci_request_regions failed\n");
 970                 goto disable_pci_device;
 971         }
 972
 973         host = scsi_host_alloc(&driver_template, sizeof(struct hptiop_hba));
 974         if (!host) {
 975                 printk(KERN_ERR "hptiop: fail to alloc scsi host\n");
 976                 goto free_pci_regions;
 977         }
 978
 979         hba = (struct hptiop_hba *)host->hostdata;
 980
 981         hba->ops = (struct hptiop_adapter_ops *)id->driver_data;
 982         hba->pcidev = pcidev;
 983         hba->host = host;
 984         hba->initialized = 0;
 985         hba->iopintf_v2 = 0;
 986
 987         atomic_set(&hba->resetting, 0);
 988         atomic_set(&hba->reset_count, 0);
 989
 990         init_waitqueue_head(&hba->reset_wq);
 991         init_waitqueue_head(&hba->ioctl_wq);
 992
 993         host->max_lun = 1;
 994         host->max_channel = 0;
 995         host->io_port = 0;
 996         host->n_io_port = 0;
 997         host->irq = pcidev->irq;
 998
 999         if (hba->ops->map_pci_bar(hba))
1000                 goto free_scsi_host;
1001
1002         if (hba->ops->iop_wait_ready(hba, 20000)) {
1003                 printk(KERN_ERR "scsi%d: firmware not ready\n",
1004                                 hba->host->host_no);
1005                 goto unmap_pci_bar;
1006         }
1007
1008         if (hba->ops->internal_memalloc) {
1009                 if (hba->ops->internal_memalloc(hba)) {
1010                         printk(KERN_ERR "scsi%d: internal_memalloc failed\n",
1011                                 hba->host->host_no);
1012                         goto unmap_pci_bar;
1013                 }
1014         }
1015
1016         if (hba->ops->get_config(hba, &iop_config)) {
1017                 printk(KERN_ERR "scsi%d: get config failed\n",
1018                                 hba->host->host_no);
1019                 goto unmap_pci_bar;
1020         }
1021
1022         hba->max_requests = min(le32_to_cpu(iop_config.max_requests),
1023                                 HPTIOP_MAX_REQUESTS);
1024         hba->max_devices = le32_to_cpu(iop_config.max_devices);
1025         hba->max_request_size = le32_to_cpu(iop_config.request_size);
1026         hba->max_sg_descriptors = le32_to_cpu(iop_config.max_sg_count);
1027         hba->firmware_version = le32_to_cpu(iop_config.firmware_version);
1028         hba->interface_version = le32_to_cpu(iop_config.interface_version);
1029         hba->sdram_size = le32_to_cpu(iop_config.sdram_size);
1030
1031         if (hba->firmware_version > 0x01020000 ||
1032                         hba->interface_version > 0x01020000)
1033                 hba->iopintf_v2 = 1;
1034
1035         host->max_sectors = le32_to_cpu(iop_config.data_transfer_length) >> 9;
1036         host->max_id = le32_to_cpu(iop_config.max_devices);
1037         host->sg_tablesize = le32_to_cpu(iop_config.max_sg_count);
1038         host->can_queue = le32_to_cpu(iop_config.max_requests);
1039         host->cmd_per_lun = le32_to_cpu(iop_config.max_requests);
1040         host->max_cmd_len = 16;
1041
1042         req_size = sizeof(struct hpt_iop_request_scsi_command)
1043                 + sizeof(struct hpt_iopsg) * (hba->max_sg_descriptors - 1);
1044         if ((req_size & 0x1f) != 0)
1045                 req_size = (req_size + 0x1f) & ~0x1f;
1046
1047         memset(&set_config, 0, sizeof(struct hpt_iop_request_set_config));
1048         set_config.iop_id = cpu_to_le32(host->host_no);
1049         set_config.vbus_id = cpu_to_le16(host->host_no);
1050         set_config.max_host_request_size = cpu_to_le16(req_size);
1051
1052         if (hba->ops->set_config(hba, &set_config)) {
1053                 printk(KERN_ERR "scsi%d: set config failed\n",
1054                                 hba->host->host_no);
1055                 goto unmap_pci_bar;
1056         }
1057
1058         pci_set_drvdata(pcidev, host);
1059
1060         if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED,
1061                                         driver_name, hba)) {
1062                 printk(KERN_ERR "scsi%d: request irq %d failed\n",
1063                                         hba->host->host_no, pcidev->irq);
1064                 goto unmap_pci_bar;
1065         }
1066
1067         /* Allocate request mem */
1068
1069         dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests);
1070
1071         hba->req_size = req_size;
1072         start_virt = dma_alloc_coherent(&pcidev->dev,
1073                                 hba->req_size*hba->max_requests + 0x20,
1074                                 &start_phy, GFP_KERNEL);
1075
1076         if (!start_virt) {
1077                 printk(KERN_ERR "scsi%d: fail to alloc request mem\n",
1078                                         hba->host->host_no);
1079                 goto free_request_irq;
1080         }
1081
1082         hba->dma_coherent = start_virt;
1083         hba->dma_coherent_handle = start_phy;
1084
1085         if ((start_phy & 0x1f) != 0)
1086         {
1087                 offset = ((start_phy + 0x1f) & ~0x1f) - start_phy;
1088                 start_phy += offset;
1089                 start_virt += offset;
1090         }
1091
1092         hba->req_list = start_virt;
1093         for (i = 0; i < hba->max_requests; i++) {
1094                 hba->reqs[i].next = NULL;
1095                 hba->reqs[i].req_virt = start_virt;
1096                 hba->reqs[i].req_shifted_phy = start_phy >> 5;
1097                 hba->reqs[i].index = i;
1098                 free_req(hba, &hba->reqs[i]);
1099                 start_virt = (char *)start_virt + hba->req_size;
1100                 start_phy = start_phy + hba->req_size;
1101         }
1102
1103         /* Enable Interrupt and start background task */
1104         if (hptiop_initialize_iop(hba))
1105                 goto free_request_mem;
1106
1107         if (scsi_add_host(host, &pcidev->dev)) {
1108                 printk(KERN_ERR "scsi%d: scsi_add_host failed\n",
1109                                         hba->host->host_no);
1110                 goto free_request_mem;
1111         }
1112
1113
1114         scsi_scan_host(host);
1115
1116         dprintk("scsi%d: hptiop_probe successfully\n", hba->host->host_no);
1117         return 0;
1118
1119 free_request_mem:
1120         dma_free_coherent(&hba->pcidev->dev,
1121                         hba->req_size * hba->max_requests + 0x20,
1122                         hba->dma_coherent, hba->dma_coherent_handle);
1123
1124 free_request_irq:
1125         free_irq(hba->pcidev->irq, hba);
1126
1127 unmap_pci_bar:
1128         if (hba->ops->internal_memfree)
1129                 hba->ops->internal_memfree(hba);
1130
1131         hba->ops->unmap_pci_bar(hba);
1132
1133 free_scsi_host:
1134         scsi_host_put(host);
1135
1136 free_pci_regions:
1137         pci_release_regions(pcidev);
1138
1139 disable_pci_device:
1140         pci_disable_device(pcidev);
1141
1142         dprintk("scsi%d: hptiop_probe fail\n", host->host_no);
1143         return -ENODEV;
1144 }
1145
1146 static void hptiop_shutdown(struct pci_dev *pcidev)
1147 {
1148         struct Scsi_Host *host = pci_get_drvdata(pcidev);
1149         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1150
1151         dprintk("hptiop_shutdown(%p)\n", hba);
1152
1153         /* stop the iop */
1154         if (iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_SHUTDOWN, 60000))
1155                 printk(KERN_ERR "scsi%d: shutdown the iop timeout\n",
1156                                         hba->host->host_no);
1157
1158         /* disable all outbound interrupts */
1159         hba->ops->disable_intr(hba);
1160 }
1161
1162 static void hptiop_disable_intr_itl(struct hptiop_hba *hba)
1163 {
1164         u32 int_mask;
1165
1166         int_mask = readl(&hba->u.itl.iop->outbound_intmask);
1167         writel(int_mask |
1168                 IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE,
1169                 &hba->u.itl.iop->outbound_intmask);
1170         readl(&hba->u.itl.iop->outbound_intmask);
1171 }
1172
1173 static void hptiop_disable_intr_mv(struct hptiop_hba *hba)
1174 {
1175         writel(0, &hba->u.mv.regs->outbound_intmask);
1176         readl(&hba->u.mv.regs->outbound_intmask);
1177 }
1178
1179 static void hptiop_remove(struct pci_dev *pcidev)
1180 {
1181         struct Scsi_Host *host = pci_get_drvdata(pcidev);
1182         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1183
1184         dprintk("scsi%d: hptiop_remove\n", hba->host->host_no);
1185
1186         scsi_remove_host(host);
1187
1188         hptiop_shutdown(pcidev);
1189
1190         free_irq(hba->pcidev->irq, hba);
1191
1192         dma_free_coherent(&hba->pcidev->dev,
1193                         hba->req_size * hba->max_requests + 0x20,
1194                         hba->dma_coherent,
1195                         hba->dma_coherent_handle);
1196
1197         if (hba->ops->internal_memfree)
1198                 hba->ops->internal_memfree(hba);
1199
1200         hba->ops->unmap_pci_bar(hba);
1201
1202         pci_release_regions(hba->pcidev);
1203         pci_set_drvdata(hba->pcidev, NULL);
1204         pci_disable_device(hba->pcidev);
1205
1206         scsi_host_put(host);
1207 }
1208
1209 static struct hptiop_adapter_ops hptiop_itl_ops = {
1210         .iop_wait_ready    = iop_wait_ready_itl,
1211         .internal_memalloc = 0,
1212         .internal_memfree  = 0,
1213         .map_pci_bar       = hptiop_map_pci_bar_itl,
1214         .unmap_pci_bar     = hptiop_unmap_pci_bar_itl,
1215         .enable_intr       = hptiop_enable_intr_itl,
1216         .disable_intr      = hptiop_disable_intr_itl,
1217         .get_config        = iop_get_config_itl,
1218         .set_config        = iop_set_config_itl,
1219         .iop_intr          = iop_intr_itl,
1220         .post_msg          = hptiop_post_msg_itl,
1221         .post_req          = hptiop_post_req_itl,
1222 };
1223
1224 static struct hptiop_adapter_ops hptiop_mv_ops = {
1225         .iop_wait_ready    = iop_wait_ready_mv,
1226         .internal_memalloc = hptiop_internal_memalloc_mv,
1227         .internal_memfree  = hptiop_internal_memfree_mv,
1228         .map_pci_bar       = hptiop_map_pci_bar_mv,
1229         .unmap_pci_bar     = hptiop_unmap_pci_bar_mv,
1230         .enable_intr       = hptiop_enable_intr_mv,
1231         .disable_intr      = hptiop_disable_intr_mv,
1232         .get_config        = iop_get_config_mv,
1233         .set_config        = iop_set_config_mv,
1234         .iop_intr          = iop_intr_mv,
1235         .post_msg          = hptiop_post_msg_mv,
1236         .post_req          = hptiop_post_req_mv,
1237 };
1238
1239 static struct pci_device_id hptiop_id_table[] = {
1240         { PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops },
1241         { PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops },
1242         { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops },
1243         { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops },
1244         { PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops },
1245         { PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops },
1246         { PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops },
1247         { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops },
1248         { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops },
1249         { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops },
1250         { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops },
1251         { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops },
1252         { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops },
1253         {},
1254 };
1255
1256 MODULE_DEVICE_TABLE(pci, hptiop_id_table);
1257
1258 static struct pci_driver hptiop_pci_driver = {
1259         .name       = driver_name,
1260         .id_table   = hptiop_id_table,
1261         .probe      = hptiop_probe,
1262         .remove     = hptiop_remove,
1263         .shutdown   = hptiop_shutdown,
1264 };
1265
1266 static int __init hptiop_module_init(void)
1267 {
1268         printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver);
1269         return pci_register_driver(&hptiop_pci_driver);
1270 }
1271
1272 static void __exit hptiop_module_exit(void)
1273 {
1274         pci_unregister_driver(&hptiop_pci_driver);
1275 }
1276
1277
1278 module_init(hptiop_module_init);
1279 module_exit(hptiop_module_exit);
1280
1281 MODULE_LICENSE("GPL");
1282