drivers/scsi/hptiop.c

   1 /*
   2  * HighPoint RR3xxx/4xxx controller driver for Linux
   3  * Copyright (C) 2006-2009 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/gfp.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[] = "v1.6 (090910)";
  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         void __iomem *plx = hba->u.itl.plx;
 120         u32 status;
 121         int ret = 0;
 122
 123         if (plx && readl(plx + 0x11C5C) & 0xf)
 124                 writel(1, plx + 0x11C60);
 125
 126         status = readl(&iop->outbound_intstatus);
 127
 128         if (status & IOPMU_OUTBOUND_INT_MSG0) {
 129                 u32 msg = readl(&iop->outbound_msgaddr0);
 130
 131                 dprintk("received outbound msg %x\n", msg);
 132                 writel(IOPMU_OUTBOUND_INT_MSG0, &iop->outbound_intstatus);
 133                 hptiop_message_callback(hba, msg);
 134                 ret = 1;
 135         }
 136
 137         if (status & IOPMU_OUTBOUND_INT_POSTQUEUE) {
 138                 hptiop_drain_outbound_queue_itl(hba);
 139                 ret = 1;
 140         }
 141
 142         return ret;
 143 }
 144
 145 static u64 mv_outbound_read(struct hpt_iopmu_mv __iomem *mu)
 146 {
 147         u32 outbound_tail = readl(&mu->outbound_tail);
 148         u32 outbound_head = readl(&mu->outbound_head);
 149
 150         if (outbound_tail != outbound_head) {
 151                 u64 p;
 152
 153                 memcpy_fromio(&p, &mu->outbound_q[mu->outbound_tail], 8);
 154                 outbound_tail++;
 155
 156                 if (outbound_tail == MVIOP_QUEUE_LEN)
 157                         outbound_tail = 0;
 158                 writel(outbound_tail, &mu->outbound_tail);
 159                 return p;
 160         } else
 161                 return 0;
 162 }
 163
 164 static void mv_inbound_write(u64 p, struct hptiop_hba *hba)
 165 {
 166         u32 inbound_head = readl(&hba->u.mv.mu->inbound_head);
 167         u32 head = inbound_head + 1;
 168
 169         if (head == MVIOP_QUEUE_LEN)
 170                 head = 0;
 171
 172         memcpy_toio(&hba->u.mv.mu->inbound_q[inbound_head], &p, 8);
 173         writel(head, &hba->u.mv.mu->inbound_head);
 174         writel(MVIOP_MU_INBOUND_INT_POSTQUEUE,
 175                         &hba->u.mv.regs->inbound_doorbell);
 176 }
 177
 178 static void hptiop_request_callback_mv(struct hptiop_hba *hba, u64 tag)
 179 {
 180         u32 req_type = (tag >> 5) & 0x7;
 181         struct hpt_iop_request_scsi_command *req;
 182
 183         dprintk("hptiop_request_callback_mv: tag=%llx\n", tag);
 184
 185         BUG_ON((tag & MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT) == 0);
 186
 187         switch (req_type) {
 188         case IOP_REQUEST_TYPE_GET_CONFIG:
 189         case IOP_REQUEST_TYPE_SET_CONFIG:
 190                 hba->msg_done = 1;
 191                 break;
 192
 193         case IOP_REQUEST_TYPE_SCSI_COMMAND:
 194                 req = hba->reqs[tag >> 8].req_virt;
 195                 if (likely(tag & MVIOP_MU_QUEUE_REQUEST_RESULT_BIT))
 196                         req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
 197
 198                 hptiop_finish_scsi_req(hba, tag>>8, req);
 199                 break;
 200
 201         default:
 202                 break;
 203         }
 204 }
 205
 206 static int iop_intr_mv(struct hptiop_hba *hba)
 207 {
 208         u32 status;
 209         int ret = 0;
 210
 211         status = readl(&hba->u.mv.regs->outbound_doorbell);
 212         writel(~status, &hba->u.mv.regs->outbound_doorbell);
 213
 214         if (status & MVIOP_MU_OUTBOUND_INT_MSG) {
 215                 u32 msg;
 216                 msg = readl(&hba->u.mv.mu->outbound_msg);
 217                 dprintk("received outbound msg %x\n", msg);
 218                 hptiop_message_callback(hba, msg);
 219                 ret = 1;
 220         }
 221
 222         if (status & MVIOP_MU_OUTBOUND_INT_POSTQUEUE) {
 223                 u64 tag;
 224
 225                 while ((tag = mv_outbound_read(hba->u.mv.mu)))
 226                         hptiop_request_callback_mv(hba, tag);
 227                 ret = 1;
 228         }
 229
 230         return ret;
 231 }
 232
 233 static int iop_send_sync_request_itl(struct hptiop_hba *hba,
 234                                         void __iomem *_req, u32 millisec)
 235 {
 236         struct hpt_iop_request_header __iomem *req = _req;
 237         u32 i;
 238
 239         writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, &req->flags);
 240         writel(0, &req->context);
 241         writel((unsigned long)req - (unsigned long)hba->u.itl.iop,
 242                         &hba->u.itl.iop->inbound_queue);
 243         readl(&hba->u.itl.iop->outbound_intstatus);
 244
 245         for (i = 0; i < millisec; i++) {
 246                 iop_intr_itl(hba);
 247                 if (readl(&req->context))
 248                         return 0;
 249                 msleep(1);
 250         }
 251
 252         return -1;
 253 }
 254
 255 static int iop_send_sync_request_mv(struct hptiop_hba *hba,
 256                                         u32 size_bits, u32 millisec)
 257 {
 258         struct hpt_iop_request_header *reqhdr = hba->u.mv.internal_req;
 259         u32 i;
 260
 261         hba->msg_done = 0;
 262         reqhdr->flags |= cpu_to_le32(IOP_REQUEST_FLAG_SYNC_REQUEST);
 263         mv_inbound_write(hba->u.mv.internal_req_phy |
 264                         MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bits, hba);
 265
 266         for (i = 0; i < millisec; i++) {
 267                 iop_intr_mv(hba);
 268                 if (hba->msg_done)
 269                         return 0;
 270                 msleep(1);
 271         }
 272         return -1;
 273 }
 274
 275 static void hptiop_post_msg_itl(struct hptiop_hba *hba, u32 msg)
 276 {
 277         writel(msg, &hba->u.itl.iop->inbound_msgaddr0);
 278         readl(&hba->u.itl.iop->outbound_intstatus);
 279 }
 280
 281 static void hptiop_post_msg_mv(struct hptiop_hba *hba, u32 msg)
 282 {
 283         writel(msg, &hba->u.mv.mu->inbound_msg);
 284         writel(MVIOP_MU_INBOUND_INT_MSG, &hba->u.mv.regs->inbound_doorbell);
 285         readl(&hba->u.mv.regs->inbound_doorbell);
 286 }
 287
 288 static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec)
 289 {
 290         u32 i;
 291
 292         hba->msg_done = 0;
 293         hba->ops->post_msg(hba, msg);
 294
 295         for (i = 0; i < millisec; i++) {
 296                 spin_lock_irq(hba->host->host_lock);
 297                 hba->ops->iop_intr(hba);
 298                 spin_unlock_irq(hba->host->host_lock);
 299                 if (hba->msg_done)
 300                         break;
 301                 msleep(1);
 302         }
 303
 304         return hba->msg_done? 0 : -1;
 305 }
 306
 307 static int iop_get_config_itl(struct hptiop_hba *hba,
 308                                 struct hpt_iop_request_get_config *config)
 309 {
 310         u32 req32;
 311         struct hpt_iop_request_get_config __iomem *req;
 312
 313         req32 = readl(&hba->u.itl.iop->inbound_queue);
 314         if (req32 == IOPMU_QUEUE_EMPTY)
 315                 return -1;
 316
 317         req = (struct hpt_iop_request_get_config __iomem *)
 318                         ((unsigned long)hba->u.itl.iop + req32);
 319
 320         writel(0, &req->header.flags);
 321         writel(IOP_REQUEST_TYPE_GET_CONFIG, &req->header.type);
 322         writel(sizeof(struct hpt_iop_request_get_config), &req->header.size);
 323         writel(IOP_RESULT_PENDING, &req->header.result);
 324
 325         if (iop_send_sync_request_itl(hba, req, 20000)) {
 326                 dprintk("Get config send cmd failed\n");
 327                 return -1;
 328         }
 329
 330         memcpy_fromio(config, req, sizeof(*config));
 331         writel(req32, &hba->u.itl.iop->outbound_queue);
 332         return 0;
 333 }
 334
 335 static int iop_get_config_mv(struct hptiop_hba *hba,
 336                                 struct hpt_iop_request_get_config *config)
 337 {
 338         struct hpt_iop_request_get_config *req = hba->u.mv.internal_req;
 339
 340         req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
 341         req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG);
 342         req->header.size =
 343                 cpu_to_le32(sizeof(struct hpt_iop_request_get_config));
 344         req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
 345         req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG<<5);
 346         req->header.context_hi32 = 0;
 347
 348         if (iop_send_sync_request_mv(hba, 0, 20000)) {
 349                 dprintk("Get config send cmd failed\n");
 350                 return -1;
 351         }
 352
 353         memcpy(config, req, sizeof(struct hpt_iop_request_get_config));
 354         return 0;
 355 }
 356
 357 static int iop_set_config_itl(struct hptiop_hba *hba,
 358                                 struct hpt_iop_request_set_config *config)
 359 {
 360         u32 req32;
 361         struct hpt_iop_request_set_config __iomem *req;
 362
 363         req32 = readl(&hba->u.itl.iop->inbound_queue);
 364         if (req32 == IOPMU_QUEUE_EMPTY)
 365                 return -1;
 366
 367         req = (struct hpt_iop_request_set_config __iomem *)
 368                         ((unsigned long)hba->u.itl.iop + req32);
 369
 370         memcpy_toio((u8 __iomem *)req + sizeof(struct hpt_iop_request_header),
 371                 (u8 *)config + sizeof(struct hpt_iop_request_header),
 372                 sizeof(struct hpt_iop_request_set_config) -
 373                         sizeof(struct hpt_iop_request_header));
 374
 375         writel(0, &req->header.flags);
 376         writel(IOP_REQUEST_TYPE_SET_CONFIG, &req->header.type);
 377         writel(sizeof(struct hpt_iop_request_set_config), &req->header.size);
 378         writel(IOP_RESULT_PENDING, &req->header.result);
 379
 380         if (iop_send_sync_request_itl(hba, req, 20000)) {
 381                 dprintk("Set config send cmd failed\n");
 382                 return -1;
 383         }
 384
 385         writel(req32, &hba->u.itl.iop->outbound_queue);
 386         return 0;
 387 }
 388
 389 static int iop_set_config_mv(struct hptiop_hba *hba,
 390                                 struct hpt_iop_request_set_config *config)
 391 {
 392         struct hpt_iop_request_set_config *req = hba->u.mv.internal_req;
 393
 394         memcpy(req, config, sizeof(struct hpt_iop_request_set_config));
 395         req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
 396         req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG);
 397         req->header.size =
 398                 cpu_to_le32(sizeof(struct hpt_iop_request_set_config));
 399         req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
 400         req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG<<5);
 401         req->header.context_hi32 = 0;
 402
 403         if (iop_send_sync_request_mv(hba, 0, 20000)) {
 404                 dprintk("Set config send cmd failed\n");
 405                 return -1;
 406         }
 407
 408         return 0;
 409 }
 410
 411 static void hptiop_enable_intr_itl(struct hptiop_hba *hba)
 412 {
 413         writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0),
 414                 &hba->u.itl.iop->outbound_intmask);
 415 }
 416
 417 static void hptiop_enable_intr_mv(struct hptiop_hba *hba)
 418 {
 419         writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE | MVIOP_MU_OUTBOUND_INT_MSG,
 420                 &hba->u.mv.regs->outbound_intmask);
 421 }
 422
 423 static int hptiop_initialize_iop(struct hptiop_hba *hba)
 424 {
 425         /* enable interrupts */
 426         hba->ops->enable_intr(hba);
 427
 428         hba->initialized = 1;
 429
 430         /* start background tasks */
 431         if (iop_send_sync_msg(hba,
 432                         IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
 433                 printk(KERN_ERR "scsi%d: fail to start background task\n",
 434                         hba->host->host_no);
 435                 return -1;
 436         }
 437         return 0;
 438 }
 439
 440 static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index)
 441 {
 442         u32 mem_base_phy, length;
 443         void __iomem *mem_base_virt;
 444
 445         struct pci_dev *pcidev = hba->pcidev;
 446
 447
 448         if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) {
 449                 printk(KERN_ERR "scsi%d: pci resource invalid\n",
 450                                 hba->host->host_no);
 451                 return NULL;
 452         }
 453
 454         mem_base_phy = pci_resource_start(pcidev, index);
 455         length = pci_resource_len(pcidev, index);
 456         mem_base_virt = ioremap(mem_base_phy, length);
 457
 458         if (!mem_base_virt) {
 459                 printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n",
 460                                 hba->host->host_no);
 461                 return NULL;
 462         }
 463         return mem_base_virt;
 464 }
 465
 466 static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba)
 467 {
 468         struct pci_dev *pcidev = hba->pcidev;
 469         hba->u.itl.iop = hptiop_map_pci_bar(hba, 0);
 470         if (hba->u.itl.iop == NULL)
 471                 return -1;
 472         if ((pcidev->device & 0xff00) == 0x4400) {
 473                 hba->u.itl.plx = hba->u.itl.iop;
 474                 hba->u.itl.iop = hptiop_map_pci_bar(hba, 2);
 475                 if (hba->u.itl.iop == NULL) {
 476                         iounmap(hba->u.itl.plx);
 477                         return -1;
 478                 }
 479         }
 480         return 0;
 481 }
 482
 483 static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba)
 484 {
 485         if (hba->u.itl.plx)
 486                 iounmap(hba->u.itl.plx);
 487         iounmap(hba->u.itl.iop);
 488 }
 489
 490 static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba)
 491 {
 492         hba->u.mv.regs = hptiop_map_pci_bar(hba, 0);
 493         if (hba->u.mv.regs == NULL)
 494                 return -1;
 495
 496         hba->u.mv.mu = hptiop_map_pci_bar(hba, 2);
 497         if (hba->u.mv.mu == NULL) {
 498                 iounmap(hba->u.mv.regs);
 499                 return -1;
 500         }
 501
 502         return 0;
 503 }
 504
 505 static void hptiop_unmap_pci_bar_mv(struct hptiop_hba *hba)
 506 {
 507         iounmap(hba->u.mv.regs);
 508         iounmap(hba->u.mv.mu);
 509 }
 510
 511 static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg)
 512 {
 513         dprintk("iop message 0x%x\n", msg);
 514
 515         if (msg == IOPMU_INBOUND_MSG0_NOP)
 516                 hba->msg_done = 1;
 517
 518         if (!hba->initialized)
 519                 return;
 520
 521         if (msg == IOPMU_INBOUND_MSG0_RESET) {
 522                 atomic_set(&hba->resetting, 0);
 523                 wake_up(&hba->reset_wq);
 524         }
 525         else if (msg <= IOPMU_INBOUND_MSG0_MAX)
 526                 hba->msg_done = 1;
 527 }
 528
 529 static struct hptiop_request *get_req(struct hptiop_hba *hba)
 530 {
 531         struct hptiop_request *ret;
 532
 533         dprintk("get_req : req=%p\n", hba->req_list);
 534
 535         ret = hba->req_list;
 536         if (ret)
 537                 hba->req_list = ret->next;
 538
 539         return ret;
 540 }
 541
 542 static void free_req(struct hptiop_hba *hba, struct hptiop_request *req)
 543 {
 544         dprintk("free_req(%d, %p)\n", req->index, req);
 545         req->next = hba->req_list;
 546         hba->req_list = req;
 547 }
 548
 549 static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
 550                                 struct hpt_iop_request_scsi_command *req)
 551 {
 552         struct scsi_cmnd *scp;
 553
 554         dprintk("hptiop_finish_scsi_req: req=%p, type=%d, "
 555                         "result=%d, context=0x%x tag=%d\n",
 556                         req, req->header.type, req->header.result,
 557                         req->header.context, tag);
 558
 559         BUG_ON(!req->header.result);
 560         BUG_ON(req->header.type != cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND));
 561
 562         scp = hba->reqs[tag].scp;
 563
 564         if (HPT_SCP(scp)->mapped)
 565                 scsi_dma_unmap(scp);
 566
 567         switch (le32_to_cpu(req->header.result)) {
 568         case IOP_RESULT_SUCCESS:
 569                 scsi_set_resid(scp,
 570                         scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
 571                 scp->result = (DID_OK<<16);
 572                 break;
 573         case IOP_RESULT_BAD_TARGET:
 574                 scp->result = (DID_BAD_TARGET<<16);
 575                 break;
 576         case IOP_RESULT_BUSY:
 577                 scp->result = (DID_BUS_BUSY<<16);
 578                 break;
 579         case IOP_RESULT_RESET:
 580                 scp->result = (DID_RESET<<16);
 581                 break;
 582         case IOP_RESULT_FAIL:
 583                 scp->result = (DID_ERROR<<16);
 584                 break;
 585         case IOP_RESULT_INVALID_REQUEST:
 586                 scp->result = (DID_ABORT<<16);
 587                 break;
 588         case IOP_RESULT_CHECK_CONDITION:
 589                 scsi_set_resid(scp,
 590                         scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
 591                 scp->result = SAM_STAT_CHECK_CONDITION;
 592                 memcpy(scp->sense_buffer, &req->sg_list,
 593                                 min_t(size_t, SCSI_SENSE_BUFFERSIZE,
 594                                         le32_to_cpu(req->dataxfer_length)));
 595                 break;
 596
 597         default:
 598                 scp->result = DRIVER_INVALID << 24 | DID_ABORT << 16;
 599                 break;
 600         }
 601
 602         dprintk("scsi_done(%p)\n", scp);
 603         scp->scsi_done(scp);
 604         free_req(hba, &hba->reqs[tag]);
 605 }
 606
 607 static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 _tag)
 608 {
 609         struct hpt_iop_request_scsi_command *req;
 610         u32 tag;
 611
 612         if (hba->iopintf_v2) {
 613                 tag = _tag & ~IOPMU_QUEUE_REQUEST_RESULT_BIT;
 614                 req = hba->reqs[tag].req_virt;
 615                 if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT))
 616                         req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
 617         } else {
 618                 tag = _tag;
 619                 req = hba->reqs[tag].req_virt;
 620         }
 621
 622         hptiop_finish_scsi_req(hba, tag, req);
 623 }
 624
 625 void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
 626 {
 627         struct hpt_iop_request_header __iomem *req;
 628         struct hpt_iop_request_ioctl_command __iomem *p;
 629         struct hpt_ioctl_k *arg;
 630
 631         req = (struct hpt_iop_request_header __iomem *)
 632                         ((unsigned long)hba->u.itl.iop + tag);
 633         dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, "
 634                         "result=%d, context=0x%x tag=%d\n",
 635                         req, readl(&req->type), readl(&req->result),
 636                         readl(&req->context), tag);
 637
 638         BUG_ON(!readl(&req->result));
 639         BUG_ON(readl(&req->type) != IOP_REQUEST_TYPE_IOCTL_COMMAND);
 640
 641         p = (struct hpt_iop_request_ioctl_command __iomem *)req;
 642         arg = (struct hpt_ioctl_k *)(unsigned long)
 643                 (readl(&req->context) |
 644                         ((u64)readl(&req->context_hi32)<<32));
 645
 646         if (readl(&req->result) == IOP_RESULT_SUCCESS) {
 647                 arg->result = HPT_IOCTL_RESULT_OK;
 648
 649                 if (arg->outbuf_size)
 650                         memcpy_fromio(arg->outbuf,
 651                                 &p->buf[(readl(&p->inbuf_size) + 3)& ~3],
 652                                 arg->outbuf_size);
 653
 654                 if (arg->bytes_returned)
 655                         *arg->bytes_returned = arg->outbuf_size;
 656         }
 657         else
 658                 arg->result = HPT_IOCTL_RESULT_FAILED;
 659
 660         arg->done(arg);
 661         writel(tag, &hba->u.itl.iop->outbound_queue);
 662 }
 663
 664 static irqreturn_t hptiop_intr(int irq, void *dev_id)
 665 {
 666         struct hptiop_hba  *hba = dev_id;
 667         int  handled;
 668         unsigned long flags;
 669
 670         spin_lock_irqsave(hba->host->host_lock, flags);
 671         handled = hba->ops->iop_intr(hba);
 672         spin_unlock_irqrestore(hba->host->host_lock, flags);
 673
 674         return handled;
 675 }
 676
 677 static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg)
 678 {
 679         struct Scsi_Host *host = scp->device->host;
 680         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
 681         struct scatterlist *sg;
 682         int idx, nseg;
 683
 684         nseg = scsi_dma_map(scp);
 685         BUG_ON(nseg < 0);
 686         if (!nseg)
 687                 return 0;
 688
 689         HPT_SCP(scp)->sgcnt = nseg;
 690         HPT_SCP(scp)->mapped = 1;
 691
 692         BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
 693
 694         scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) {
 695                 psg[idx].pci_address = cpu_to_le64(sg_dma_address(sg));
 696                 psg[idx].size = cpu_to_le32(sg_dma_len(sg));
 697                 psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
 698                         cpu_to_le32(1) : 0;
 699         }
 700         return HPT_SCP(scp)->sgcnt;
 701 }
 702
 703 static void hptiop_post_req_itl(struct hptiop_hba *hba,
 704                                         struct hptiop_request *_req)
 705 {
 706         struct hpt_iop_request_header *reqhdr = _req->req_virt;
 707
 708         reqhdr->context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT |
 709                                                         (u32)_req->index);
 710         reqhdr->context_hi32 = 0;
 711
 712         if (hba->iopintf_v2) {
 713                 u32 size, size_bits;
 714
 715                 size = le32_to_cpu(reqhdr->size);
 716                 if (size < 256)
 717                         size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT;
 718                 else if (size < 512)
 719                         size_bits = IOPMU_QUEUE_ADDR_HOST_BIT;
 720                 else
 721                         size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT |
 722                                                 IOPMU_QUEUE_ADDR_HOST_BIT;
 723                 writel(_req->req_shifted_phy | size_bits,
 724                         &hba->u.itl.iop->inbound_queue);
 725         } else
 726                 writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT,
 727                                         &hba->u.itl.iop->inbound_queue);
 728 }
 729
 730 static void hptiop_post_req_mv(struct hptiop_hba *hba,
 731                                         struct hptiop_request *_req)
 732 {
 733         struct hpt_iop_request_header *reqhdr = _req->req_virt;
 734         u32 size, size_bit;
 735
 736         reqhdr->context = cpu_to_le32(_req->index<<8 |
 737                                         IOP_REQUEST_TYPE_SCSI_COMMAND<<5);
 738         reqhdr->context_hi32 = 0;
 739         size = le32_to_cpu(reqhdr->size);
 740
 741         if (size <= 256)
 742                 size_bit = 0;
 743         else if (size <= 256*2)
 744                 size_bit = 1;
 745         else if (size <= 256*3)
 746                 size_bit = 2;
 747         else
 748                 size_bit = 3;
 749
 750         mv_inbound_write((_req->req_shifted_phy << 5) |
 751                 MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bit, hba);
 752 }
 753
 754 static int hptiop_queuecommand_lck(struct scsi_cmnd *scp,
 755                                 void (*done)(struct scsi_cmnd *))
 756 {
 757         struct Scsi_Host *host = scp->device->host;
 758         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
 759         struct hpt_iop_request_scsi_command *req;
 760         int sg_count = 0;
 761         struct hptiop_request *_req;
 762
 763         BUG_ON(!done);
 764         scp->scsi_done = done;
 765
 766         _req = get_req(hba);
 767         if (_req == NULL) {
 768                 dprintk("hptiop_queuecmd : no free req\n");
 769                 return SCSI_MLQUEUE_HOST_BUSY;
 770         }
 771
 772         _req->scp = scp;
 773
 774         dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%d cdb=(%x-%x-%x) "
 775                         "req_index=%d, req=%p\n",
 776                         scp,
 777                         host->host_no, scp->device->channel,
 778                         scp->device->id, scp->device->lun,
 779                         ((u32 *)scp->cmnd)[0],
 780                         ((u32 *)scp->cmnd)[1],
 781                         ((u32 *)scp->cmnd)[2],
 782                         _req->index, _req->req_virt);
 783
 784         scp->result = 0;
 785
 786         if (scp->device->channel || scp->device->lun ||
 787                         scp->device->id > hba->max_devices) {
 788                 scp->result = DID_BAD_TARGET << 16;
 789                 free_req(hba, _req);
 790                 goto cmd_done;
 791         }
 792
 793         req = _req->req_virt;
 794
 795         /* build S/G table */
 796         sg_count = hptiop_buildsgl(scp, req->sg_list);
 797         if (!sg_count)
 798                 HPT_SCP(scp)->mapped = 0;
 799
 800         req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
 801         req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND);
 802         req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
 803         req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp));
 804         req->channel = scp->device->channel;
 805         req->target = scp->device->id;
 806         req->lun = scp->device->lun;
 807         req->header.size = cpu_to_le32(
 808                                 sizeof(struct hpt_iop_request_scsi_command)
 809                                  - sizeof(struct hpt_iopsg)
 810                                  + sg_count * sizeof(struct hpt_iopsg));
 811
 812         memcpy(req->cdb, scp->cmnd, sizeof(req->cdb));
 813         hba->ops->post_req(hba, _req);
 814         return 0;
 815
 816 cmd_done:
 817         dprintk("scsi_done(scp=%p)\n", scp);
 818         scp->scsi_done(scp);
 819         return 0;
 820 }
 821
 822 static DEF_SCSI_QCMD(hptiop_queuecommand)
 823
 824 static const char *hptiop_info(struct Scsi_Host *host)
 825 {
 826         return driver_name_long;
 827 }
 828
 829 static int hptiop_reset_hba(struct hptiop_hba *hba)
 830 {
 831         if (atomic_xchg(&hba->resetting, 1) == 0) {
 832                 atomic_inc(&hba->reset_count);
 833                 hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET);
 834         }
 835
 836         wait_event_timeout(hba->reset_wq,
 837                         atomic_read(&hba->resetting) == 0, 60 * HZ);
 838
 839         if (atomic_read(&hba->resetting)) {
 840                 /* IOP is in unknown state, abort reset */
 841                 printk(KERN_ERR "scsi%d: reset failed\n", hba->host->host_no);
 842                 return -1;
 843         }
 844
 845         if (iop_send_sync_msg(hba,
 846                 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
 847                 dprintk("scsi%d: fail to start background task\n",
 848                                 hba->host->host_no);
 849         }
 850
 851         return 0;
 852 }
 853
 854 static int hptiop_reset(struct scsi_cmnd *scp)
 855 {
 856         struct Scsi_Host * host = scp->device->host;
 857         struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata;
 858
 859         printk(KERN_WARNING "hptiop_reset(%d/%d/%d) scp=%p\n",
 860                         scp->device->host->host_no, scp->device->channel,
 861                         scp->device->id, scp);
 862
 863         return hptiop_reset_hba(hba)? FAILED : SUCCESS;
 864 }
 865
 866 static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev,
 867                                           int queue_depth, int reason)
 868 {
 869         struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata;
 870
 871         if (reason != SCSI_QDEPTH_DEFAULT)
 872                 return -EOPNOTSUPP;
 873
 874         if (queue_depth > hba->max_requests)
 875                 queue_depth = hba->max_requests;
 876         scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth);
 877         return queue_depth;
 878 }
 879
 880 static ssize_t hptiop_show_version(struct device *dev,
 881                                    struct device_attribute *attr, char *buf)
 882 {
 883         return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver);
 884 }
 885
 886 static ssize_t hptiop_show_fw_version(struct device *dev,
 887                                       struct device_attribute *attr, char *buf)
 888 {
 889         struct Scsi_Host *host = class_to_shost(dev);
 890         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
 891
 892         return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n",
 893                                 hba->firmware_version >> 24,
 894                                 (hba->firmware_version >> 16) & 0xff,
 895                                 (hba->firmware_version >> 8) & 0xff,
 896                                 hba->firmware_version & 0xff);
 897 }
 898
 899 static struct device_attribute hptiop_attr_version = {
 900         .attr = {
 901                 .name = "driver-version",
 902                 .mode = S_IRUGO,
 903         },
 904         .show = hptiop_show_version,
 905 };
 906
 907 static struct device_attribute hptiop_attr_fw_version = {
 908         .attr = {
 909                 .name = "firmware-version",
 910                 .mode = S_IRUGO,
 911         },
 912         .show = hptiop_show_fw_version,
 913 };
 914
 915 static struct device_attribute *hptiop_attrs[] = {
 916         &hptiop_attr_version,
 917         &hptiop_attr_fw_version,
 918         NULL
 919 };
 920
 921 static struct scsi_host_template driver_template = {
 922         .module                     = THIS_MODULE,
 923         .name                       = driver_name,
 924         .queuecommand               = hptiop_queuecommand,
 925         .eh_device_reset_handler    = hptiop_reset,
 926         .eh_bus_reset_handler       = hptiop_reset,
 927         .info                       = hptiop_info,
 928         .emulated                   = 0,
 929         .use_clustering             = ENABLE_CLUSTERING,
 930         .proc_name                  = driver_name,
 931         .shost_attrs                = hptiop_attrs,
 932         .this_id                    = -1,
 933         .change_queue_depth         = hptiop_adjust_disk_queue_depth,
 934 };
 935
 936 static int hptiop_internal_memalloc_mv(struct hptiop_hba *hba)
 937 {
 938         hba->u.mv.internal_req = dma_alloc_coherent(&hba->pcidev->dev,
 939                         0x800, &hba->u.mv.internal_req_phy, GFP_KERNEL);
 940         if (hba->u.mv.internal_req)
 941                 return 0;
 942         else
 943                 return -1;
 944 }
 945
 946 static int hptiop_internal_memfree_mv(struct hptiop_hba *hba)
 947 {
 948         if (hba->u.mv.internal_req) {
 949                 dma_free_coherent(&hba->pcidev->dev, 0x800,
 950                         hba->u.mv.internal_req, hba->u.mv.internal_req_phy);
 951                 return 0;
 952         } else
 953                 return -1;
 954 }
 955
 956 static int __devinit hptiop_probe(struct pci_dev *pcidev,
 957                                         const struct pci_device_id *id)
 958 {
 959         struct Scsi_Host *host = NULL;
 960         struct hptiop_hba *hba;
 961         struct hpt_iop_request_get_config iop_config;
 962         struct hpt_iop_request_set_config set_config;
 963         dma_addr_t start_phy;
 964         void *start_virt;
 965         u32 offset, i, req_size;
 966
 967         dprintk("hptiop_probe(%p)\n", pcidev);
 968
 969         if (pci_enable_device(pcidev)) {
 970                 printk(KERN_ERR "hptiop: fail to enable pci device\n");
 971                 return -ENODEV;
 972         }
 973
 974         printk(KERN_INFO "adapter at PCI %d:%d:%d, IRQ %d\n",
 975                 pcidev->bus->number, pcidev->devfn >> 3, pcidev->devfn & 7,
 976                 pcidev->irq);
 977
 978         pci_set_master(pcidev);
 979
 980         /* Enable 64bit DMA if possible */
 981         if (pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) {
 982                 if (pci_set_dma_mask(pcidev, DMA_BIT_MASK(32))) {
 983                         printk(KERN_ERR "hptiop: fail to set dma_mask\n");
 984                         goto disable_pci_device;
 985                 }
 986         }
 987
 988         if (pci_request_regions(pcidev, driver_name)) {
 989                 printk(KERN_ERR "hptiop: pci_request_regions failed\n");
 990                 goto disable_pci_device;
 991         }
 992
 993         host = scsi_host_alloc(&driver_template, sizeof(struct hptiop_hba));
 994         if (!host) {
 995                 printk(KERN_ERR "hptiop: fail to alloc scsi host\n");
 996                 goto free_pci_regions;
 997         }
 998
 999         hba = (struct hptiop_hba *)host->hostdata;
1000
1001         hba->ops = (struct hptiop_adapter_ops *)id->driver_data;
1002         hba->pcidev = pcidev;
1003         hba->host = host;
1004         hba->initialized = 0;
1005         hba->iopintf_v2 = 0;
1006
1007         atomic_set(&hba->resetting, 0);
1008         atomic_set(&hba->reset_count, 0);
1009
1010         init_waitqueue_head(&hba->reset_wq);
1011         init_waitqueue_head(&hba->ioctl_wq);
1012
1013         host->max_lun = 1;
1014         host->max_channel = 0;
1015         host->io_port = 0;
1016         host->n_io_port = 0;
1017         host->irq = pcidev->irq;
1018
1019         if (hba->ops->map_pci_bar(hba))
1020                 goto free_scsi_host;
1021
1022         if (hba->ops->iop_wait_ready(hba, 20000)) {
1023                 printk(KERN_ERR "scsi%d: firmware not ready\n",
1024                                 hba->host->host_no);
1025                 goto unmap_pci_bar;
1026         }
1027
1028         if (hba->ops->internal_memalloc) {
1029                 if (hba->ops->internal_memalloc(hba)) {
1030                         printk(KERN_ERR "scsi%d: internal_memalloc failed\n",
1031                                 hba->host->host_no);
1032                         goto unmap_pci_bar;
1033                 }
1034         }
1035
1036         if (hba->ops->get_config(hba, &iop_config)) {
1037                 printk(KERN_ERR "scsi%d: get config failed\n",
1038                                 hba->host->host_no);
1039                 goto unmap_pci_bar;
1040         }
1041
1042         hba->max_requests = min(le32_to_cpu(iop_config.max_requests),
1043                                 HPTIOP_MAX_REQUESTS);
1044         hba->max_devices = le32_to_cpu(iop_config.max_devices);
1045         hba->max_request_size = le32_to_cpu(iop_config.request_size);
1046         hba->max_sg_descriptors = le32_to_cpu(iop_config.max_sg_count);
1047         hba->firmware_version = le32_to_cpu(iop_config.firmware_version);
1048         hba->interface_version = le32_to_cpu(iop_config.interface_version);
1049         hba->sdram_size = le32_to_cpu(iop_config.sdram_size);
1050
1051         if (hba->firmware_version > 0x01020000 ||
1052                         hba->interface_version > 0x01020000)
1053                 hba->iopintf_v2 = 1;
1054
1055         host->max_sectors = le32_to_cpu(iop_config.data_transfer_length) >> 9;
1056         host->max_id = le32_to_cpu(iop_config.max_devices);
1057         host->sg_tablesize = le32_to_cpu(iop_config.max_sg_count);
1058         host->can_queue = le32_to_cpu(iop_config.max_requests);
1059         host->cmd_per_lun = le32_to_cpu(iop_config.max_requests);
1060         host->max_cmd_len = 16;
1061
1062         req_size = sizeof(struct hpt_iop_request_scsi_command)
1063                 + sizeof(struct hpt_iopsg) * (hba->max_sg_descriptors - 1);
1064         if ((req_size & 0x1f) != 0)
1065                 req_size = (req_size + 0x1f) & ~0x1f;
1066
1067         memset(&set_config, 0, sizeof(struct hpt_iop_request_set_config));
1068         set_config.iop_id = cpu_to_le32(host->host_no);
1069         set_config.vbus_id = cpu_to_le16(host->host_no);
1070         set_config.max_host_request_size = cpu_to_le16(req_size);
1071
1072         if (hba->ops->set_config(hba, &set_config)) {
1073                 printk(KERN_ERR "scsi%d: set config failed\n",
1074                                 hba->host->host_no);
1075                 goto unmap_pci_bar;
1076         }
1077
1078         pci_set_drvdata(pcidev, host);
1079
1080         if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED,
1081                                         driver_name, hba)) {
1082                 printk(KERN_ERR "scsi%d: request irq %d failed\n",
1083                                         hba->host->host_no, pcidev->irq);
1084                 goto unmap_pci_bar;
1085         }
1086
1087         /* Allocate request mem */
1088
1089         dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests);
1090
1091         hba->req_size = req_size;
1092         start_virt = dma_alloc_coherent(&pcidev->dev,
1093                                 hba->req_size*hba->max_requests + 0x20,
1094                                 &start_phy, GFP_KERNEL);
1095
1096         if (!start_virt) {
1097                 printk(KERN_ERR "scsi%d: fail to alloc request mem\n",
1098                                         hba->host->host_no);
1099                 goto free_request_irq;
1100         }
1101
1102         hba->dma_coherent = start_virt;
1103         hba->dma_coherent_handle = start_phy;
1104
1105         if ((start_phy & 0x1f) != 0)
1106         {
1107                 offset = ((start_phy + 0x1f) & ~0x1f) - start_phy;
1108                 start_phy += offset;
1109                 start_virt += offset;
1110         }
1111
1112         hba->req_list = start_virt;
1113         for (i = 0; i < hba->max_requests; i++) {
1114                 hba->reqs[i].next = NULL;
1115                 hba->reqs[i].req_virt = start_virt;
1116                 hba->reqs[i].req_shifted_phy = start_phy >> 5;
1117                 hba->reqs[i].index = i;
1118                 free_req(hba, &hba->reqs[i]);
1119                 start_virt = (char *)start_virt + hba->req_size;
1120                 start_phy = start_phy + hba->req_size;
1121         }
1122
1123         /* Enable Interrupt and start background task */
1124         if (hptiop_initialize_iop(hba))
1125                 goto free_request_mem;
1126
1127         if (scsi_add_host(host, &pcidev->dev)) {
1128                 printk(KERN_ERR "scsi%d: scsi_add_host failed\n",
1129                                         hba->host->host_no);
1130                 goto free_request_mem;
1131         }
1132
1133
1134         scsi_scan_host(host);
1135
1136         dprintk("scsi%d: hptiop_probe successfully\n", hba->host->host_no);
1137         return 0;
1138
1139 free_request_mem:
1140         dma_free_coherent(&hba->pcidev->dev,
1141                         hba->req_size * hba->max_requests + 0x20,
1142                         hba->dma_coherent, hba->dma_coherent_handle);
1143
1144 free_request_irq:
1145         free_irq(hba->pcidev->irq, hba);
1146
1147 unmap_pci_bar:
1148         if (hba->ops->internal_memfree)
1149                 hba->ops->internal_memfree(hba);
1150
1151         hba->ops->unmap_pci_bar(hba);
1152
1153 free_scsi_host:
1154         scsi_host_put(host);
1155
1156 free_pci_regions:
1157         pci_release_regions(pcidev);
1158
1159 disable_pci_device:
1160         pci_disable_device(pcidev);
1161
1162         dprintk("scsi%d: hptiop_probe fail\n", host ? host->host_no : 0);
1163         return -ENODEV;
1164 }
1165
1166 static void hptiop_shutdown(struct pci_dev *pcidev)
1167 {
1168         struct Scsi_Host *host = pci_get_drvdata(pcidev);
1169         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1170
1171         dprintk("hptiop_shutdown(%p)\n", hba);
1172
1173         /* stop the iop */
1174         if (iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_SHUTDOWN, 60000))
1175                 printk(KERN_ERR "scsi%d: shutdown the iop timeout\n",
1176                                         hba->host->host_no);
1177
1178         /* disable all outbound interrupts */
1179         hba->ops->disable_intr(hba);
1180 }
1181
1182 static void hptiop_disable_intr_itl(struct hptiop_hba *hba)
1183 {
1184         u32 int_mask;
1185
1186         int_mask = readl(&hba->u.itl.iop->outbound_intmask);
1187         writel(int_mask |
1188                 IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE,
1189                 &hba->u.itl.iop->outbound_intmask);
1190         readl(&hba->u.itl.iop->outbound_intmask);
1191 }
1192
1193 static void hptiop_disable_intr_mv(struct hptiop_hba *hba)
1194 {
1195         writel(0, &hba->u.mv.regs->outbound_intmask);
1196         readl(&hba->u.mv.regs->outbound_intmask);
1197 }
1198
1199 static void hptiop_remove(struct pci_dev *pcidev)
1200 {
1201         struct Scsi_Host *host = pci_get_drvdata(pcidev);
1202         struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1203
1204         dprintk("scsi%d: hptiop_remove\n", hba->host->host_no);
1205
1206         scsi_remove_host(host);
1207
1208         hptiop_shutdown(pcidev);
1209
1210         free_irq(hba->pcidev->irq, hba);
1211
1212         dma_free_coherent(&hba->pcidev->dev,
1213                         hba->req_size * hba->max_requests + 0x20,
1214                         hba->dma_coherent,
1215                         hba->dma_coherent_handle);
1216
1217         if (hba->ops->internal_memfree)
1218                 hba->ops->internal_memfree(hba);
1219
1220         hba->ops->unmap_pci_bar(hba);
1221
1222         pci_release_regions(hba->pcidev);
1223         pci_set_drvdata(hba->pcidev, NULL);
1224         pci_disable_device(hba->pcidev);
1225
1226         scsi_host_put(host);
1227 }
1228
1229 static struct hptiop_adapter_ops hptiop_itl_ops = {
1230         .iop_wait_ready    = iop_wait_ready_itl,
1231         .internal_memalloc = NULL,
1232         .internal_memfree  = NULL,
1233         .map_pci_bar       = hptiop_map_pci_bar_itl,
1234         .unmap_pci_bar     = hptiop_unmap_pci_bar_itl,
1235         .enable_intr       = hptiop_enable_intr_itl,
1236         .disable_intr      = hptiop_disable_intr_itl,
1237         .get_config        = iop_get_config_itl,
1238         .set_config        = iop_set_config_itl,
1239         .iop_intr          = iop_intr_itl,
1240         .post_msg          = hptiop_post_msg_itl,
1241         .post_req          = hptiop_post_req_itl,
1242 };
1243
1244 static struct hptiop_adapter_ops hptiop_mv_ops = {
1245         .iop_wait_ready    = iop_wait_ready_mv,
1246         .internal_memalloc = hptiop_internal_memalloc_mv,
1247         .internal_memfree  = hptiop_internal_memfree_mv,
1248         .map_pci_bar       = hptiop_map_pci_bar_mv,
1249         .unmap_pci_bar     = hptiop_unmap_pci_bar_mv,
1250         .enable_intr       = hptiop_enable_intr_mv,
1251         .disable_intr      = hptiop_disable_intr_mv,
1252         .get_config        = iop_get_config_mv,
1253         .set_config        = iop_set_config_mv,
1254         .iop_intr          = iop_intr_mv,
1255         .post_msg          = hptiop_post_msg_mv,
1256         .post_req          = hptiop_post_req_mv,
1257 };
1258
1259 static struct pci_device_id hptiop_id_table[] = {
1260         { PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops },
1261         { PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops },
1262         { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops },
1263         { PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops },
1264         { PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops },
1265         { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops },
1266         { PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops },
1267         { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops },
1268         { PCI_VDEVICE(TTI, 0x3530), (kernel_ulong_t)&hptiop_itl_ops },
1269         { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops },
1270         { PCI_VDEVICE(TTI, 0x3560), (kernel_ulong_t)&hptiop_itl_ops },
1271         { PCI_VDEVICE(TTI, 0x4210), (kernel_ulong_t)&hptiop_itl_ops },
1272         { PCI_VDEVICE(TTI, 0x4211), (kernel_ulong_t)&hptiop_itl_ops },
1273         { PCI_VDEVICE(TTI, 0x4310), (kernel_ulong_t)&hptiop_itl_ops },
1274         { PCI_VDEVICE(TTI, 0x4311), (kernel_ulong_t)&hptiop_itl_ops },
1275         { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops },
1276         { PCI_VDEVICE(TTI, 0x4321), (kernel_ulong_t)&hptiop_itl_ops },
1277         { PCI_VDEVICE(TTI, 0x4322), (kernel_ulong_t)&hptiop_itl_ops },
1278         { PCI_VDEVICE(TTI, 0x4400), (kernel_ulong_t)&hptiop_itl_ops },
1279         { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops },
1280         { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops },
1281         { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops },
1282         {},
1283 };
1284
1285 MODULE_DEVICE_TABLE(pci, hptiop_id_table);
1286
1287 static struct pci_driver hptiop_pci_driver = {
1288         .name       = driver_name,
1289         .id_table   = hptiop_id_table,
1290         .probe      = hptiop_probe,
1291         .remove     = hptiop_remove,
1292         .shutdown   = hptiop_shutdown,
1293 };
1294
1295 static int __init hptiop_module_init(void)
1296 {
1297         printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver);
1298         return pci_register_driver(&hptiop_pci_driver);
1299 }
1300
1301 static void __exit hptiop_module_exit(void)
1302 {
1303         pci_unregister_driver(&hptiop_pci_driver);
1304 }
1305
1306
1307 module_init(hptiop_module_init);
1308 module_exit(hptiop_module_exit);
1309
1310 MODULE_LICENSE("GPL");
1311