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