SAFE public projects git trees. - safe/jmp/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 <asm/uaccess.h>
  29 #include <asm/io.h>
  30 #include <asm/div64.h>
  31 #include <scsi/scsi_cmnd.h>
  32 #include <scsi/scsi_device.h>
  33 #include <scsi/scsi.h>
  34 #include <scsi/scsi_tcq.h>
  35 #include <scsi/scsi_host.h>
  36
  37 #include "hptiop.h"
  38
  39 MODULE_AUTHOR("HighPoint Technologies, Inc.");
  40 MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver");
  41
  42 static char driver_name[] = "hptiop";
  43 static const char driver_name_long[] = "RocketRAID 3xxx/4xxx Controller driver";
  44 static const char driver_ver[] = "v1.3 (071203)";
  45
  46 static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec);
  47 static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
  48                                 struct hpt_iop_request_scsi_command *req);
  49 static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 tag);
  50 static void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag);
  51 static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg);
  52
  53 static int iop_wait_ready_itl(struct hptiop_hba *hba, u32 millisec)
  54 {
  55         u32 req = 0;
  56         int i;
  57
  58         for (i = 0; i < millisec; i++) {
  59                 req = readl(&hba->u.itl.iop->inbound_queue);
  60                 if (req != IOPMU_QUEUE_EMPTY)
  61                         break;
  62                 msleep(1);
  63         }
  64
  65         if (req != IOPMU_QUEUE_EMPTY) {
  66                 writel(req, &hba->u.itl.iop->outbound_queue);
  67                 readl(&hba->u.itl.iop->outbound_intstatus);
  68                 return 0;
  69         }
  70
  71         return -1;
  72 }
  73
  74 static int iop_wait_ready_mv(struct hptiop_hba *hba, u32 millisec)
  75 {
  76         return iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_NOP, millisec);
  77 }
  78
  79 static void hptiop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
  80 {
  81         if (tag & IOPMU_QUEUE_ADDR_HOST_BIT)
  82                 hptiop_host_request_callback_itl(hba,
  83                                 tag & ~IOPMU_QUEUE_ADDR_HOST_BIT);
  84         else
  85                 hptiop_iop_request_callback_itl(hba, tag);
  86 }
  87
  88 static void hptiop_drain_outbound_queue_itl(struct hptiop_hba *hba)
  89 {
  90         u32 req;
  91
  92         while ((req = readl(&hba->u.itl.iop->outbound_queue)) !=
  93                                                 IOPMU_QUEUE_EMPTY) {
  94
  95                 if (req & IOPMU_QUEUE_MASK_HOST_BITS)
  96                         hptiop_request_callback_itl(hba, req);
  97                 else {
  98                         struct hpt_iop_request_header __iomem * p;
  99
 100                         p = (struct hpt_iop_request_header __iomem *)
 101                                 ((char __iomem *)hba->u.itl.iop + req);
 102
 103                         if (readl(&p->flags) & IOP_REQUEST_FLAG_SYNC_REQUEST) {
 104                                 if (readl(&p->context))
 105                                         hptiop_request_callback_itl(hba, req);
 106                                 else
 107                                         writel(1, &p->context);
 108                         }
 109                         else
 110                                 hptiop_request_callback_itl(hba, req);
 111                 }
 112         }
 113 }
 114
 115 static int iop_intr_itl(struct hptiop_hba *hba)
 116 {
 117         struct hpt_iopmu_itl __iomem *iop = hba->u.itl.iop;
 118         u32 status;
 119         int ret = 0;
 120
 121         status = readl(&iop->outbound_intstatus);
 122
 123         if (status & IOPMU_OUTBOUND_INT_MSG0) {
 124                 u32 msg = readl(&iop->outbound_msgaddr0);
 125
 126                 dprintk("received outbound msg %x\n", msg);
 127                 writel(IOPMU_OUTBOUND_INT_MSG0, &iop->outbound_intstatus);
 128                 hptiop_message_callback(hba, msg);
 129                 ret = 1;
 130         }
 131
 132         if (status & IOPMU_OUTBOUND_INT_POSTQUEUE) {
 133                 hptiop_drain_outbound_queue_itl(hba);
 134                 ret = 1;
 135         }
 136
 137         return ret;
 138 }
 139
 140 static u64 mv_outbound_read(struct hpt_iopmu_mv __iomem *mu)
 141 {
 142         u32 outbound_tail = readl(&mu->outbound_tail);
 143         u32 outbound_head = readl(&mu->outbound_head);
 144
 145         if (outbound_tail != outbound_head) {
 146                 u64 p;
 147
 148                 memcpy_fromio(&p, &mu->outbound_q[mu->outbound_tail], 8);
 149                 outbound_tail++;
 150
 151                 if (outbound_tail == MVIOP_QUEUE_LEN)
 152                         outbound_tail = 0;
 153                 writel(outbound_tail, &mu->outbound_tail);
 154                 return p;
 155         } else
 156                 return 0;
 157 }
 158
 159 static void mv_inbound_write(u64 p, struct hptiop_hba *hba)
 160 {
 161         u32 inbound_head = readl(&hba->u.mv.mu->inbound_head);
 162         u32 head = inbound_head + 1;
 163
 164         if (head == MVIOP_QUEUE_LEN)
 165                 head = 0;
 166
 167         memcpy_toio(&hba->u.mv.mu->inbound_q[inbound_head], &p, 8);
 168         writel(head, &hba->u.mv.mu->inbound_head);
 169         writel(MVIOP_MU_INBOUND_INT_POSTQUEUE,
 170                         &hba->u.mv.regs->inbound_doorbell);
 171 }
 172
 173 static void hptiop_request_callback_mv(struct hptiop_hba *hba, u64 tag)
 174 {
 175         u32 req_type = (tag >> 5) & 0x7;
 176         struct hpt_iop_request_scsi_command *req;
 177
 178         dprintk("hptiop_request_callback_mv: tag=%llx\n", tag);
 179
 180         BUG_ON((tag & MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT) == 0);
 181
 182         switch (req_type) {
 183         case IOP_REQUEST_TYPE_GET_CONFIG:
 184         case IOP_REQUEST_TYPE_SET_CONFIG:
 185                 hba->msg_done = 1;
 186                 break;
 187
 188         case IOP_REQUEST_TYPE_SCSI_COMMAND:
 189                 req = hba->reqs[tag >> 8].req_virt;
 190                 if (likely(tag & MVIOP_MU_QUEUE_REQUEST_RESULT_BIT))
 191                         req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
 192
 193                 hptiop_finish_scsi_req(hba, tag>>8, req);
 194                 break;
 195
 196         default:
 197                 break;
 198         }
 199 }
 200
 201 static int iop_intr_mv(struct hptiop_hba *hba)
 202 {
 203         u32 status;
 204         int ret = 0;
 205
 206         status = readl(&hba->u.mv.regs->outbound_doorbell);
 207         writel(~status, &hba->u.mv.regs->outbound_doorbell);
 208
 209         if (status & MVIOP_MU_OUTBOUND_INT_MSG) {
 210                 u32 msg;
 211                 msg = readl(&hba->u.mv.mu->outbound_msg);
 212                 dprintk("received outbound msg %x\n", msg);
 213                 hptiop_message_callback(hba, msg);
 214                 ret = 1;
 215         }
 216
 217         if (status & MVIOP_MU_OUTBOUND_INT_POSTQUEUE) {
 218                 u64 tag;
 219
 220                 while ((tag = mv_outbound_read(hba->u.mv.mu)))
 221                         hptiop_request_callback_mv(hba, tag);
 222                 ret = 1;
 223         }
 224
 225         return ret;
 226 }
 227
 228 static int iop_send_sync_request_itl(struct hptiop_hba *hba,
 229                                         void __iomem *_req, u32 millisec)
 230 {
 231         struct hpt_iop_request_header __iomem *req = _req;
 232         u32 i;
 233
 234         writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, &req->flags);
 235         writel(0, &req->context);
 236         writel((unsigned long)req - (unsigned long)hba->u.itl.iop,
 237                         &hba->u.itl.iop->inbound_queue);
 238         readl(&hba->u.itl.iop->outbound_intstatus);
 239
 240         for (i = 0; i < millisec; i++) {
 241                 iop_intr_itl(hba);
 242                 if (readl(&req->context))
 243                         return 0;
 244                 msleep(1);
 245         }
 246
 247         return -1;
 248 }
 249
 250 static int iop_send_sync_request_mv(struct hptiop_hba *hba,
 251                                         u32 size_bits, u32 millisec)
 252 {
 253         struct hpt_iop_request_header *reqhdr = hba->u.mv.internal_req;
 254         u32 i;
 255
 256         hba->msg_done = 0;
 257         reqhdr->flags |= cpu_to_le32(IOP_REQUEST_FLAG_SYNC_REQUEST);
 258         mv_inbound_write(hba->u.mv.internal_req_phy |
 259                         MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bits, hba);
 260
 261         for (i = 0; i < millisec; i++) {
 262                 iop_intr_mv(hba);
 263                 if (hba->msg_done)
 264                         return 0;
 265                 msleep(1);
 266         }
 267         return -1;
 268 }
 269
 270 static void hptiop_post_msg_itl(struct hptiop_hba *hba, u32 msg)
 271 {
 272         writel(msg, &hba->u.itl.iop->inbound_msgaddr0);
 273         readl(&hba->u.itl.iop->outbound_intstatus);
 274 }
 275
 276 static void hptiop_post_msg_mv(struct hptiop_hba *hba, u32 msg)
 277 {
 278         writel(msg, &hba->u.mv.mu->inbound_msg);
 279         writel(MVIOP_MU_INBOUND_INT_MSG, &hba->u.mv.regs->inbound_doorbell);
 280         readl(&hba->u.mv.regs->inbound_doorbell);
 281 }
 282
 283 static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec)
 284 {
 285         u32 i;
 286
 287         hba->msg_done = 0;
 288         hba->ops->post_msg(hba, msg);
 289
 290         for (i = 0; i < millisec; i++) {
 291                 spin_lock_irq(hba->host->host_lock);
 292                 hba->ops->iop_intr(hba);
 293                 spin_unlock_irq(hba->host->host_lock);
 294                 if (hba->msg_done)
 295                         break;
 296                 msleep(1);
 297         }
 298
 299         return hba->msg_done? 0 : -1;
 300 }
 301
 302 static int iop_get_config_itl(struct hptiop_hba *hba,
 303                                 struct hpt_iop_request_get_config *config)
 304 {
 305         u32 req32;
 306         struct hpt_iop_request_get_config __iomem *req;
 307
 308         req32 = readl(&hba->u.itl.iop->inbound_queue);
 309         if (req32 == IOPMU_QUEUE_EMPTY)
 310                 return -1;
 311
 312         req = (struct hpt_iop_request_get_config __iomem *)
 313                         ((unsigned long)hba->u.itl.iop + req32);
 314
 315         writel(0, &req->header.flags);
 316         writel(IOP_REQUEST_TYPE_GET_CONFIG, &req->header.type);
 317         writel(sizeof(struct hpt_iop_request_get_config), &req->header.size);
 318         writel(IOP_RESULT_PENDING, &req->header.result);
 319
 320         if (iop_send_sync_request_itl(hba, req, 20000)) {
 321                 dprintk("Get config send cmd failed\n");
 322                 return -1;
 323         }
 324
 325         memcpy_fromio(config, req, sizeof(*config));
 326         writel(req32, &hba->u.itl.iop->outbound_queue);
 327         return 0;
 328 }
 329
 330 static int iop_get_config_mv(struct hptiop_hba *hba,
 331                                 struct hpt_iop_request_get_config *config)
 332 {
 333         struct hpt_iop_request_get_config *req = hba->u.mv.internal_req;
 334
 335         req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
 336         req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG);
 337         req->header.size =
 338                 cpu_to_le32(sizeof(struct hpt_iop_request_get_config));
 339         req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
 340         req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG<<5);
 341         req->header.context_hi32 = 0;
 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_le32(IOP_REQUEST_TYPE_SET_CONFIG<<5);
 396         req->header.context_hi32 = 0;
 397
 398         if (iop_send_sync_request_mv(hba, 0, 20000)) {
 399                 dprintk("Set config send cmd failed\n");
 400                 return -1;
 401         }
 402
 403         return 0;
 404 }
 405
 406 static void hptiop_enable_intr_itl(struct hptiop_hba *hba)
 407 {
 408         writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0),
 409                 &hba->u.itl.iop->outbound_intmask);
 410 }
 411
 412 static void hptiop_enable_intr_mv(struct hptiop_hba *hba)
 413 {
 414         writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE | MVIOP_MU_OUTBOUND_INT_MSG,
 415                 &hba->u.mv.regs->outbound_intmask);
 416 }
 417
 418 static int hptiop_initialize_iop(struct hptiop_hba *hba)
 419 {
 420         /* enable interrupts */
 421         hba->ops->enable_intr(hba);
 422
 423         hba->initialized = 1;
 424
 425         /* start background tasks */
 426         if (iop_send_sync_msg(hba,
 427                         IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
 428                 printk(KERN_ERR "scsi%d: fail to start background task\n",
 429                         hba->host->host_no);
 430                 return -1;
 431         }
 432         return 0;
 433 }
 434
 435 static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index)
 436 {
 437         u32 mem_base_phy, length;
 438         void __iomem *mem_base_virt;
 439
 440         struct pci_dev *pcidev = hba->pcidev;
 441
 442
 443         if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) {
 444                 printk(KERN_ERR "scsi%d: pci resource invalid\n",
 445                                 hba->host->host_no);
 446                 return NULL;
 447         }
 448
 449         mem_base_phy = pci_resource_start(pcidev, index);
 450         length = pci_resource_len(pcidev, index);
 451         mem_base_virt = ioremap(mem_base_phy, length);
 452
 453         if (!mem_base_virt) {
 454                 printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n",
 455                                 hba->host->host_no);
 456                 return NULL;
 457         }
 458         return mem_base_virt;
 459 }
 460
 461 static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba)
 462 {
 463         hba->u.itl.iop = hptiop_map_pci_bar(hba, 0);
 464         if (hba->u.itl.iop)
 465                 return 0;
 466         else
 467                 return -1;
 468 }
 469
 470 static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba)
 471 {
 472         iounmap(hba->u.itl.iop);
 473 }
 474
 475 static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba)
 476 {
 477         hba->u.mv.regs = hptiop_map_pci_bar(hba, 0);
 478         if (hba->u.mv.regs == NULL)
 479                 return -1;
 480
 481         hba->u.mv.mu = hptiop_map_pci_bar(hba, 2);
 482         if (hba->u.mv.mu == NULL) {
 483                 iounmap(hba->u.mv.regs);
 484                 return -1;
 485         }
 486
 487         return 0;
 488 }
 489
 490 static void hptiop_unmap_pci_bar_mv(struct hptiop_hba *hba)
 491 {
 492         iounmap(hba->u.mv.regs);
 493         iounmap(hba->u.mv.mu);
 494 }
 495
 496 static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg)
 497 {
 498         dprintk("iop message 0x%x\n", msg);
 499
 500         if (msg == IOPMU_INBOUND_MSG0_NOP)
 501                 hba->msg_done = 1;
 502
 503         if (!hba->initialized)
 504                 return;
 505
 506         if (msg == IOPMU_INBOUND_MSG0_RESET) {
 507                 atomic_set(&hba->resetting, 0);
 508                 wake_up(&hba->reset_wq);
 509         }
 510         else if (msg <= IOPMU_INBOUND_MSG0_MAX)
 511                 hba->msg_done = 1;
 512 }
 513
 514 static struct hptiop_request *get_req(struct hptiop_hba *hba)
 515 {
 516         struct hptiop_request *ret;
 517
 518         dprintk("get_req : req=%p\n", hba->req_list);
 519
 520         ret = hba->req_list;
 521         if (ret)
 522                 hba->req_list = ret->next;
 523
 524         return ret;
 525 }
 526
 527 static void free_req(struct hptiop_hba *hba, struct hptiop_request *req)
 528 {
 529         dprintk("free_req(%d, %p)\n", req->index, req);
 530         req->next = hba->req_list;
 531         hba->req_list = req;
 532 }
 533
 534 static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
 535                                 struct hpt_iop_request_scsi_command *req)
 536 {
 537         struct scsi_cmnd *scp;
 538
 539         dprintk("hptiop_finish_scsi_req: req=%p, type=%d, "
 540                         "result=%d, context=0x%x tag=%d\n",
 541                         req, req->header.type, req->header.result,
 542                         req->header.context, tag);
 543
 544         BUG_ON(!req->header.result);
 545         BUG_ON(req->header.type != cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND));
 546
 547         scp = hba->reqs[tag].scp;
 548
 549         if (HPT_SCP(scp)->mapped)
 550                 scsi_dma_unmap(scp);
 551
 552         switch (le32_to_cpu(req->header.result)) {
 553         case IOP_RESULT_SUCCESS:
 554                 scsi_set_resid(scp,
 555                         scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
 556                 scp->result = (DID_OK<<16);
 557                 break;
 558         case IOP_RESULT_BAD_TARGET:
 559                 scp->result = (DID_BAD_TARGET<<16);
 560                 break;
 561         case IOP_RESULT_BUSY:
 562                 scp->result = (DID_BUS_BUSY<<16);
 563                 break;
 564         case IOP_RESULT_RESET:
 565                 scp->result = (DID_RESET<<16);
 566                 break;
 567         case IOP_RESULT_FAIL:
 568                 scp->result = (DID_ERROR<<16);
 569                 break;
 570         case IOP_RESULT_INVALID_REQUEST:
 571                 scp->result = (DID_ABORT<<16);
 572                 break;
 573         case IOP_RESULT_CHECK_CONDITION:
 574                 scsi_set_resid(scp,
 575                         scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
 576                 scp->result = SAM_STAT_CHECK_CONDITION;
 577                 memcpy(scp->sense_buffer, &req->sg_list,
 578                                 min_t(size_t, SCSI_SENSE_BUFFERSIZE,
 579                                         le32_to_cpu(req->dataxfer_length)));
 580                 break;
 581
 582         default:
 583                 scp->result = ((DRIVER_INVALID|SUGGEST_ABORT)<<24) |
 584                                         (DID_ABORT<<16);
 585                 break;
 586         }
 587
 588         dprintk("scsi_done(%p)\n", scp);
 589         scp->scsi_done(scp);
 590         free_req(hba, &hba->reqs[tag]);
 591 }
 592
 593 static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 _tag)
 594 {
 595         struct hpt_iop_request_scsi_command *req;
 596         u32 tag;
 597
 598         if (hba->iopintf_v2) {
 599                 tag = _tag & ~IOPMU_QUEUE_REQUEST_RESULT_BIT;
 600                 req = hba->reqs[tag].req_virt;
 601                 if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT))
 602                         req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
 603         } else {
 604                 tag = _tag;
 605                 req = hba->reqs[tag].req_virt;
 606         }
 607
 608         hptiop_finish_scsi_req(hba, tag, req);
 609 }
 610
 611 void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
 612 {
 613         struct hpt_iop_request_header __iomem *req;
 614         struct hpt_iop_request_ioctl_command __iomem *p;
 615         struct hpt_ioctl_k *arg;
 616
 617         req = (struct hpt_iop_request_header __iomem *)
 618                         ((unsigned long)hba->u.itl.iop + tag);
 619         dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, "
 620                         "result=%d, context=0x%x tag=%d\n",
 621                         req, readl(&req->type), readl(&req->result),
 622                         readl(&req->context), tag);
 623
 624         BUG_ON(!readl(&req->result));
 625         BUG_ON(readl(&req->type) != IOP_REQUEST_TYPE_IOCTL_COMMAND);
 626
 627         p = (struct hpt_iop_request_ioctl_command __iomem *)req;
 628         arg = (struct hpt_ioctl_k *)(unsigned long)
 629                 (readl(&req->context) |
 630                         ((u64)readl(&req->context_hi32)<<32));
 631
 632         if (readl(&req->result) == IOP_RESULT_SUCCESS) {
 633                 arg->result = HPT_IOCTL_RESULT_OK;
 634
 635                 if (arg->outbuf_size)
 636                         memcpy_fromio(arg->outbuf,
 637                                 &p->buf[(readl(&p->inbuf_size) + 3)& ~3],
 638                                 arg->outbuf_size);
 639
 640                 if (arg->bytes_returned)
 641                         *arg->bytes_returned = arg->outbuf_size;
 642         }
 643         else
 644                 arg->result = HPT_IOCTL_RESULT_FAILED;
 645
 646         arg->done(arg);
 647         writel(tag, &hba->u.itl.iop->outbound_queue);
 648 }
 649
 650 static irqreturn_t hptiop_intr(int irq, void *dev_id)
 651 {
 652         struct hptiop_hba  *hba = dev_id;
 653         int  handled;
 654         unsigned long flags;
 655
 656         spin_lock_irqsave(hba->host->host_lock, flags);
 657         handled = hba->ops->iop_intr(hba);
 658         spin_unlock_irqrestore(hba->host->host_lock, flags);
 659
 660         return handled;
 661 }
 662
 663 static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg)
 664 {
 665         struct Scsi_Host *host = scp->device->host;
 666         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
 667         struct scatterlist *sg;
 668         int idx, nseg;
 669
 670         nseg = scsi_dma_map(scp);
 671         BUG_ON(nseg < 0);
 672         if (!nseg)
 673                 return 0;
 674
 675         HPT_SCP(scp)->sgcnt = nseg;
 676         HPT_SCP(scp)->mapped = 1;
 677
 678         BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
 679
 680         scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) {
 681                 psg[idx].pci_address = cpu_to_le64(sg_dma_address(sg));
 682                 psg[idx].size = cpu_to_le32(sg_dma_len(sg));
 683                 psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
 684                         cpu_to_le32(1) : 0;
 685         }
 686         return HPT_SCP(scp)->sgcnt;
 687 }
 688
 689 static void hptiop_post_req_itl(struct hptiop_hba *hba,
 690                                         struct hptiop_request *_req)
 691 {
 692         struct hpt_iop_request_header *reqhdr = _req->req_virt;
 693
 694         reqhdr->context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT |
 695                                                         (u32)_req->index);
 696         reqhdr->context_hi32 = 0;
 697
 698         if (hba->iopintf_v2) {
 699                 u32 size, size_bits;
 700
 701                 size = le32_to_cpu(reqhdr->size);
 702                 if (size < 256)
 703                         size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT;
 704                 else if (size < 512)
 705                         size_bits = IOPMU_QUEUE_ADDR_HOST_BIT;
 706                 else
 707                         size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT |
 708                                                 IOPMU_QUEUE_ADDR_HOST_BIT;
 709                 writel(_req->req_shifted_phy | size_bits,
 710                         &hba->u.itl.iop->inbound_queue);
 711         } else
 712                 writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT,
 713                                         &hba->u.itl.iop->inbound_queue);
 714 }
 715
 716 static void hptiop_post_req_mv(struct hptiop_hba *hba,
 717                                         struct hptiop_request *_req)
 718 {
 719         struct hpt_iop_request_header *reqhdr = _req->req_virt;
 720         u32 size, size_bit;
 721
 722         reqhdr->context = cpu_to_le32(_req->index<<8 |
 723                                         IOP_REQUEST_TYPE_SCSI_COMMAND<<5);
 724         reqhdr->context_hi32 = 0;
 725         size = le32_to_cpu(reqhdr->size);
 726
 727         if (size <= 256)
 728                 size_bit = 0;
 729         else if (size <= 256*2)
 730                 size_bit = 1;
 731         else if (size <= 256*3)
 732                 size_bit = 2;
 733         else
 734                 size_bit = 3;
 735
 736         mv_inbound_write((_req->req_shifted_phy << 5) |
 737                 MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bit, hba);
 738 }
 739
 740 static int hptiop_queuecommand(struct scsi_cmnd *scp,
 741                                 void (*done)(struct scsi_cmnd *))
 742 {
 743         struct Scsi_Host *host = scp->device->host;
 744         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
 745         struct hpt_iop_request_scsi_command *req;
 746         int sg_count = 0;
 747         struct hptiop_request *_req;
 748
 749         BUG_ON(!done);
 750         scp->scsi_done = done;
 751
 752         _req = get_req(hba);
 753         if (_req == NULL) {
 754                 dprintk("hptiop_queuecmd : no free req\n");
 755                 return SCSI_MLQUEUE_HOST_BUSY;
 756         }
 757
 758         _req->scp = scp;
 759
 760         dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%d cdb=(%x-%x-%x) "
 761                         "req_index=%d, req=%p\n",
 762                         scp,
 763                         host->host_no, scp->device->channel,
 764                         scp->device->id, scp->device->lun,
 765                         ((u32 *)scp->cmnd)[0],
 766                         ((u32 *)scp->cmnd)[1],
 767                         ((u32 *)scp->cmnd)[2],
 768                         _req->index, _req->req_virt);
 769
 770         scp->result = 0;
 771
 772         if (scp->device->channel || scp->device->lun ||
 773                         scp->device->id > hba->max_devices) {
 774                 scp->result = DID_BAD_TARGET << 16;
 775                 free_req(hba, _req);
 776                 goto cmd_done;
 777         }
 778
 779         req = _req->req_virt;
 780
 781         /* build S/G table */
 782         sg_count = hptiop_buildsgl(scp, req->sg_list);
 783         if (!sg_count)
 784                 HPT_SCP(scp)->mapped = 0;
 785
 786         req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
 787         req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND);
 788         req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
 789         req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp));
 790         req->channel = scp->device->channel;
 791         req->target = scp->device->id;
 792         req->lun = scp->device->lun;
 793         req->header.size = cpu_to_le32(
 794                                 sizeof(struct hpt_iop_request_scsi_command)
 795                                  - sizeof(struct hpt_iopsg)
 796                                  + sg_count * sizeof(struct hpt_iopsg));
 797
 798         memcpy(req->cdb, scp->cmnd, sizeof(req->cdb));
 799         hba->ops->post_req(hba, _req);
 800         return 0;
 801
 802 cmd_done:
 803         dprintk("scsi_done(scp=%p)\n", scp);
 804         scp->scsi_done(scp);
 805         return 0;
 806 }
 807
 808 static const char *hptiop_info(struct Scsi_Host *host)
 809 {
 810         return driver_name_long;
 811 }
 812
 813 static int hptiop_reset_hba(struct hptiop_hba *hba)
 814 {
 815         if (atomic_xchg(&hba->resetting, 1) == 0) {
 816                 atomic_inc(&hba->reset_count);
 817                 hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET);
 818         }
 819
 820         wait_event_timeout(hba->reset_wq,
 821                         atomic_read(&hba->resetting) == 0, 60 * HZ);
 822
 823         if (atomic_read(&hba->resetting)) {
 824                 /* IOP is in unkown state, abort reset */
 825                 printk(KERN_ERR "scsi%d: reset failed\n", hba->host->host_no);
 826                 return -1;
 827         }
 828
 829         if (iop_send_sync_msg(hba,
 830                 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
 831                 dprintk("scsi%d: fail to start background task\n",
 832                                 hba->host->host_no);
 833         }
 834
 835         return 0;
 836 }
 837
 838 static int hptiop_reset(struct scsi_cmnd *scp)
 839 {
 840         struct Scsi_Host * host = scp->device->host;
 841         struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata;
 842
 843         printk(KERN_WARNING "hptiop_reset(%d/%d/%d) scp=%p\n",
 844                         scp->device->host->host_no, scp->device->channel,
 845                         scp->device->id, scp);
 846
 847         return hptiop_reset_hba(hba)? FAILED : SUCCESS;
 848 }
 849
 850 static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev,
 851                                                 int queue_depth)
 852 {
 853         struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata;
 854
 855         if (queue_depth > hba->max_requests)
 856                 queue_depth = hba->max_requests;
 857         scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth);
 858         return queue_depth;
 859 }
 860
 861 static ssize_t hptiop_show_version(struct device *dev,
 862                                    struct device_attribute *attr, char *buf)
 863 {
 864         return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver);
 865 }
 866
 867 static ssize_t hptiop_show_fw_version(struct device *dev,
 868                                       struct device_attribute *attr, char *buf)
 869 {
 870         struct Scsi_Host *host = class_to_shost(dev);
 871         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
 872
 873         return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n",
 874                                 hba->firmware_version >> 24,
 875                                 (hba->firmware_version >> 16) & 0xff,
 876                                 (hba->firmware_version >> 8) & 0xff,
 877                                 hba->firmware_version & 0xff);
 878 }
 879
 880 static struct device_attribute hptiop_attr_version = {
 881         .attr = {
 882                 .name = "driver-version",
 883                 .mode = S_IRUGO,
 884         },
 885         .show = hptiop_show_version,
 886 };
 887
 888 static struct device_attribute hptiop_attr_fw_version = {
 889         .attr = {
 890                 .name = "firmware-version",
 891                 .mode = S_IRUGO,
 892         },
 893         .show = hptiop_show_fw_version,
 894 };
 895
 896 static struct device_attribute *hptiop_attrs[] = {
 897         &hptiop_attr_version,
 898         &hptiop_attr_fw_version,
 899         NULL
 900 };
 901
 902 static struct scsi_host_template driver_template = {
 903         .module                     = THIS_MODULE,
 904         .name                       = driver_name,
 905         .queuecommand               = hptiop_queuecommand,
 906         .eh_device_reset_handler    = hptiop_reset,
 907         .eh_bus_reset_handler       = hptiop_reset,
 908         .info                       = hptiop_info,
 909         .emulated                   = 0,
 910         .use_clustering             = ENABLE_CLUSTERING,
 911         .proc_name                  = driver_name,
 912         .shost_attrs                = hptiop_attrs,
 913         .this_id                    = -1,
 914         .change_queue_depth         = hptiop_adjust_disk_queue_depth,
 915 };
 916
 917 static int hptiop_internal_memalloc_mv(struct hptiop_hba *hba)
 918 {
 919         hba->u.mv.internal_req = dma_alloc_coherent(&hba->pcidev->dev,
 920                         0x800, &hba->u.mv.internal_req_phy, GFP_KERNEL);
 921         if (hba->u.mv.internal_req)
 922                 return 0;
 923         else
 924                 return -1;
 925 }
 926
 927 static int hptiop_internal_memfree_mv(struct hptiop_hba *hba)
 928 {
 929         if (hba->u.mv.internal_req) {
 930                 dma_free_coherent(&hba->pcidev->dev, 0x800,
 931                         hba->u.mv.internal_req, hba->u.mv.internal_req_phy);
 932                 return 0;
 933         } else
 934                 return -1;
 935 }
 936
 937 static int __devinit hptiop_probe(struct pci_dev *pcidev,
 938                                         const struct pci_device_id *id)
 939 {
 940         struct Scsi_Host *host = NULL;
 941         struct hptiop_hba *hba;
 942         struct hpt_iop_request_get_config iop_config;
 943         struct hpt_iop_request_set_config set_config;
 944         dma_addr_t start_phy;
 945         void *start_virt;
 946         u32 offset, i, req_size;
 947
 948         dprintk("hptiop_probe(%p)\n", pcidev);
 949
 950         if (pci_enable_device(pcidev)) {
 951                 printk(KERN_ERR "hptiop: fail to enable pci device\n");
 952                 return -ENODEV;
 953         }
 954
 955         printk(KERN_INFO "adapter at PCI %d:%d:%d, IRQ %d\n",
 956                 pcidev->bus->number, pcidev->devfn >> 3, pcidev->devfn & 7,
 957                 pcidev->irq);
 958
 959         pci_set_master(pcidev);
 960
 961         /* Enable 64bit DMA if possible */
 962         if (pci_set_dma_mask(pcidev, DMA_64BIT_MASK)) {
 963                 if (pci_set_dma_mask(pcidev, DMA_32BIT_MASK)) {
 964                         printk(KERN_ERR "hptiop: fail to set dma_mask\n");
 965                         goto disable_pci_device;
 966                 }
 967         }
 968
 969         if (pci_request_regions(pcidev, driver_name)) {
 970                 printk(KERN_ERR "hptiop: pci_request_regions failed\n");
 971                 goto disable_pci_device;
 972         }
 973
 974         host = scsi_host_alloc(&driver_template, sizeof(struct hptiop_hba));
 975         if (!host) {
 976                 printk(KERN_ERR "hptiop: fail to alloc scsi host\n");
 977                 goto free_pci_regions;
 978         }
 979
 980         hba = (struct hptiop_hba *)host->hostdata;
 981
 982         hba->ops = (struct hptiop_adapter_ops *)id->driver_data;
 983         hba->pcidev = pcidev;
 984         hba->host = host;
 985         hba->initialized = 0;
 986         hba->iopintf_v2 = 0;
 987
 988         atomic_set(&hba->resetting, 0);
 989         atomic_set(&hba->reset_count, 0);
 990
 991         init_waitqueue_head(&hba->reset_wq);
 992         init_waitqueue_head(&hba->ioctl_wq);
 993
 994         host->max_lun = 1;
 995         host->max_channel = 0;
 996         host->io_port = 0;
 997         host->n_io_port = 0;
 998         host->irq = pcidev->irq;
 999
1000         if (hba->ops->map_pci_bar(hba))
1001                 goto free_scsi_host;
1002
1003         if (hba->ops->iop_wait_ready(hba, 20000)) {
1004                 printk(KERN_ERR "scsi%d: firmware not ready\n",
1005                                 hba->host->host_no);
1006                 goto unmap_pci_bar;
1007         }
1008
1009         if (hba->ops->internal_memalloc) {
1010                 if (hba->ops->internal_memalloc(hba)) {
1011                         printk(KERN_ERR "scsi%d: internal_memalloc failed\n",
1012                                 hba->host->host_no);
1013                         goto unmap_pci_bar;
1014                 }
1015         }
1016
1017         if (hba->ops->get_config(hba, &iop_config)) {
1018                 printk(KERN_ERR "scsi%d: get config failed\n",
1019                                 hba->host->host_no);
1020                 goto unmap_pci_bar;
1021         }
1022
1023         hba->max_requests = min(le32_to_cpu(iop_config.max_requests),
1024                                 HPTIOP_MAX_REQUESTS);
1025         hba->max_devices = le32_to_cpu(iop_config.max_devices);
1026         hba->max_request_size = le32_to_cpu(iop_config.request_size);
1027         hba->max_sg_descriptors = le32_to_cpu(iop_config.max_sg_count);
1028         hba->firmware_version = le32_to_cpu(iop_config.firmware_version);
1029         hba->interface_version = le32_to_cpu(iop_config.interface_version);
1030         hba->sdram_size = le32_to_cpu(iop_config.sdram_size);
1031
1032         if (hba->firmware_version > 0x01020000 ||
1033                         hba->interface_version > 0x01020000)
1034                 hba->iopintf_v2 = 1;
1035
1036         host->max_sectors = le32_to_cpu(iop_config.data_transfer_length) >> 9;
1037         host->max_id = le32_to_cpu(iop_config.max_devices);
1038         host->sg_tablesize = le32_to_cpu(iop_config.max_sg_count);
1039         host->can_queue = le32_to_cpu(iop_config.max_requests);
1040         host->cmd_per_lun = le32_to_cpu(iop_config.max_requests);
1041         host->max_cmd_len = 16;
1042
1043         req_size = sizeof(struct hpt_iop_request_scsi_command)
1044                 + sizeof(struct hpt_iopsg) * (hba->max_sg_descriptors - 1);
1045         if ((req_size & 0x1f) != 0)
1046                 req_size = (req_size + 0x1f) & ~0x1f;
1047
1048         memset(&set_config, 0, sizeof(struct hpt_iop_request_set_config));
1049         set_config.iop_id = cpu_to_le32(host->host_no);
1050         set_config.vbus_id = cpu_to_le16(host->host_no);
1051         set_config.max_host_request_size = cpu_to_le16(req_size);
1052
1053         if (hba->ops->set_config(hba, &set_config)) {
1054                 printk(KERN_ERR "scsi%d: set config failed\n",
1055                                 hba->host->host_no);
1056                 goto unmap_pci_bar;
1057         }
1058
1059         pci_set_drvdata(pcidev, host);
1060
1061         if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED,
1062                                         driver_name, hba)) {
1063                 printk(KERN_ERR "scsi%d: request irq %d failed\n",
1064                                         hba->host->host_no, pcidev->irq);
1065                 goto unmap_pci_bar;
1066         }
1067
1068         /* Allocate request mem */
1069
1070         dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests);
1071
1072         hba->req_size = req_size;
1073         start_virt = dma_alloc_coherent(&pcidev->dev,
1074                                 hba->req_size*hba->max_requests + 0x20,
1075                                 &start_phy, GFP_KERNEL);
1076
1077         if (!start_virt) {
1078                 printk(KERN_ERR "scsi%d: fail to alloc request mem\n",
1079                                         hba->host->host_no);
1080                 goto free_request_irq;
1081         }
1082
1083         hba->dma_coherent = start_virt;
1084         hba->dma_coherent_handle = start_phy;
1085
1086         if ((start_phy & 0x1f) != 0)
1087         {
1088                 offset = ((start_phy + 0x1f) & ~0x1f) - start_phy;
1089                 start_phy += offset;
1090                 start_virt += offset;
1091         }
1092
1093         hba->req_list = start_virt;
1094         for (i = 0; i < hba->max_requests; i++) {
1095                 hba->reqs[i].next = NULL;
1096                 hba->reqs[i].req_virt = start_virt;
1097                 hba->reqs[i].req_shifted_phy = start_phy >> 5;
1098                 hba->reqs[i].index = i;
1099                 free_req(hba, &hba->reqs[i]);
1100                 start_virt = (char *)start_virt + hba->req_size;
1101                 start_phy = start_phy + hba->req_size;
1102         }
1103
1104         /* Enable Interrupt and start background task */
1105         if (hptiop_initialize_iop(hba))
1106                 goto free_request_mem;
1107
1108         if (scsi_add_host(host, &pcidev->dev)) {
1109                 printk(KERN_ERR "scsi%d: scsi_add_host failed\n",
1110                                         hba->host->host_no);
1111                 goto free_request_mem;
1112         }
1113
1114
1115         scsi_scan_host(host);
1116
1117         dprintk("scsi%d: hptiop_probe successfully\n", hba->host->host_no);
1118         return 0;
1119
1120 free_request_mem:
1121         dma_free_coherent(&hba->pcidev->dev,
1122                         hba->req_size * hba->max_requests + 0x20,
1123                         hba->dma_coherent, hba->dma_coherent_handle);
1124
1125 free_request_irq:
1126         free_irq(hba->pcidev->irq, hba);
1127
1128 unmap_pci_bar:
1129         if (hba->ops->internal_memfree)
1130                 hba->ops->internal_memfree(hba);
1131
1132         hba->ops->unmap_pci_bar(hba);
1133
1134 free_scsi_host:
1135         scsi_host_put(host);
1136
1137 free_pci_regions:
1138         pci_release_regions(pcidev);
1139
1140 disable_pci_device:
1141         pci_disable_device(pcidev);
1142
1143         dprintk("scsi%d: hptiop_probe fail\n", host->host_no);
1144         return -ENODEV;
1145 }
1146
1147 static void hptiop_shutdown(struct pci_dev *pcidev)
1148 {
1149         struct Scsi_Host *host = pci_get_drvdata(pcidev);
1150         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1151
1152         dprintk("hptiop_shutdown(%p)\n", hba);
1153
1154         /* stop the iop */
1155         if (iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_SHUTDOWN, 60000))
1156                 printk(KERN_ERR "scsi%d: shutdown the iop timeout\n",
1157                                         hba->host->host_no);
1158
1159         /* disable all outbound interrupts */
1160         hba->ops->disable_intr(hba);
1161 }
1162
1163 static void hptiop_disable_intr_itl(struct hptiop_hba *hba)
1164 {
1165         u32 int_mask;
1166
1167         int_mask = readl(&hba->u.itl.iop->outbound_intmask);
1168         writel(int_mask |
1169                 IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE,
1170                 &hba->u.itl.iop->outbound_intmask);
1171         readl(&hba->u.itl.iop->outbound_intmask);
1172 }
1173
1174 static void hptiop_disable_intr_mv(struct hptiop_hba *hba)
1175 {
1176         writel(0, &hba->u.mv.regs->outbound_intmask);
1177         readl(&hba->u.mv.regs->outbound_intmask);
1178 }
1179
1180 static void hptiop_remove(struct pci_dev *pcidev)
1181 {
1182         struct Scsi_Host *host = pci_get_drvdata(pcidev);
1183         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1184
1185         dprintk("scsi%d: hptiop_remove\n", hba->host->host_no);
1186
1187         scsi_remove_host(host);
1188
1189         hptiop_shutdown(pcidev);
1190
1191         free_irq(hba->pcidev->irq, hba);
1192
1193         dma_free_coherent(&hba->pcidev->dev,
1194                         hba->req_size * hba->max_requests + 0x20,
1195                         hba->dma_coherent,
1196                         hba->dma_coherent_handle);
1197
1198         if (hba->ops->internal_memfree)
1199                 hba->ops->internal_memfree(hba);
1200
1201         hba->ops->unmap_pci_bar(hba);
1202
1203         pci_release_regions(hba->pcidev);
1204         pci_set_drvdata(hba->pcidev, NULL);
1205         pci_disable_device(hba->pcidev);
1206
1207         scsi_host_put(host);
1208 }
1209
1210 static struct hptiop_adapter_ops hptiop_itl_ops = {
1211         .iop_wait_ready    = iop_wait_ready_itl,
1212         .internal_memalloc = NULL,
1213         .internal_memfree  = NULL,
1214         .map_pci_bar       = hptiop_map_pci_bar_itl,
1215         .unmap_pci_bar     = hptiop_unmap_pci_bar_itl,
1216         .enable_intr       = hptiop_enable_intr_itl,
1217         .disable_intr      = hptiop_disable_intr_itl,
1218         .get_config        = iop_get_config_itl,
1219         .set_config        = iop_set_config_itl,
1220         .iop_intr          = iop_intr_itl,
1221         .post_msg          = hptiop_post_msg_itl,
1222         .post_req          = hptiop_post_req_itl,
1223 };
1224
1225 static struct hptiop_adapter_ops hptiop_mv_ops = {
1226         .iop_wait_ready    = iop_wait_ready_mv,
1227         .internal_memalloc = hptiop_internal_memalloc_mv,
1228         .internal_memfree  = hptiop_internal_memfree_mv,
1229         .map_pci_bar       = hptiop_map_pci_bar_mv,
1230         .unmap_pci_bar     = hptiop_unmap_pci_bar_mv,
1231         .enable_intr       = hptiop_enable_intr_mv,
1232         .disable_intr      = hptiop_disable_intr_mv,
1233         .get_config        = iop_get_config_mv,
1234         .set_config        = iop_set_config_mv,
1235         .iop_intr          = iop_intr_mv,
1236         .post_msg          = hptiop_post_msg_mv,
1237         .post_req          = hptiop_post_req_mv,
1238 };
1239
1240 static struct pci_device_id hptiop_id_table[] = {
1241         { PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops },
1242         { PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops },
1243         { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops },
1244         { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops },
1245         { PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops },
1246         { PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops },
1247         { PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops },
1248         { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops },
1249         { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops },
1250         { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops },
1251         { PCI_VDEVICE(TTI, 0x3530), (kernel_ulong_t)&hptiop_itl_ops },
1252         { PCI_VDEVICE(TTI, 0x3560), (kernel_ulong_t)&hptiop_itl_ops },
1253         { PCI_VDEVICE(TTI, 0x4322), (kernel_ulong_t)&hptiop_itl_ops },
1254         { PCI_VDEVICE(TTI, 0x4321), (kernel_ulong_t)&hptiop_itl_ops },
1255         { PCI_VDEVICE(TTI, 0x4210), (kernel_ulong_t)&hptiop_itl_ops },
1256         { PCI_VDEVICE(TTI, 0x4211), (kernel_ulong_t)&hptiop_itl_ops },
1257         { PCI_VDEVICE(TTI, 0x4310), (kernel_ulong_t)&hptiop_itl_ops },
1258         { PCI_VDEVICE(TTI, 0x4311), (kernel_ulong_t)&hptiop_itl_ops },
1259         { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops },
1260         { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops },
1261         { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops },
1262         {},
1263 };
1264
1265 MODULE_DEVICE_TABLE(pci, hptiop_id_table);
1266
1267 static struct pci_driver hptiop_pci_driver = {
1268         .name       = driver_name,
1269         .id_table   = hptiop_id_table,
1270         .probe      = hptiop_probe,
1271         .remove     = hptiop_remove,
1272         .shutdown   = hptiop_shutdown,
1273 };
1274
1275 static int __init hptiop_module_init(void)
1276 {
1277         printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver);
1278         return pci_register_driver(&hptiop_pci_driver);
1279 }
1280
1281 static void __exit hptiop_module_exit(void)
1282 {
1283         pci_unregister_driver(&hptiop_pci_driver);
1284 }
1285
1286
1287 module_init(hptiop_module_init);
1288 module_exit(hptiop_module_exit);
1289
1290 MODULE_LICENSE("GPL");
1291