HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1 | /* |
| 2 | * HighPoint RR3xxx controller driver for Linux |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 3 | * Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved. |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 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 | */ |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 18 | #include <linux/module.h> |
| 19 | #include <linux/types.h> |
| 20 | #include <linux/string.h> |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/pci.h> |
| 23 | #include <linux/interrupt.h> |
| 24 | #include <linux/errno.h> |
| 25 | #include <linux/delay.h> |
| 26 | #include <linux/timer.h> |
| 27 | #include <linux/spinlock.h> |
| 28 | #include <linux/hdreg.h> |
| 29 | #include <asm/uaccess.h> |
| 30 | #include <asm/io.h> |
| 31 | #include <asm/div64.h> |
| 32 | #include <scsi/scsi_cmnd.h> |
| 33 | #include <scsi/scsi_device.h> |
| 34 | #include <scsi/scsi.h> |
| 35 | #include <scsi/scsi_tcq.h> |
| 36 | #include <scsi/scsi_host.h> |
| 37 | |
| 38 | #include "hptiop.h" |
| 39 | |
| 40 | MODULE_AUTHOR("HighPoint Technologies, Inc."); |
| 41 | MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx SATA Controller Driver"); |
| 42 | |
| 43 | static char driver_name[] = "hptiop"; |
| 44 | static const char driver_name_long[] = "RocketRAID 3xxx SATA Controller driver"; |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 45 | static const char driver_ver[] = "v1.2 (070830)"; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 46 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 47 | static void hptiop_host_request_callback(struct hptiop_hba *hba, u32 tag); |
| 48 | static void hptiop_iop_request_callback(struct hptiop_hba *hba, u32 tag); |
| 49 | static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg); |
| 50 | |
| 51 | static inline void hptiop_pci_posting_flush(struct hpt_iopmu __iomem *iop) |
| 52 | { |
| 53 | readl(&iop->outbound_intstatus); |
| 54 | } |
| 55 | |
| 56 | static int iop_wait_ready(struct hpt_iopmu __iomem *iop, u32 millisec) |
| 57 | { |
| 58 | u32 req = 0; |
| 59 | int i; |
| 60 | |
| 61 | for (i = 0; i < millisec; i++) { |
| 62 | req = readl(&iop->inbound_queue); |
| 63 | if (req != IOPMU_QUEUE_EMPTY) |
| 64 | break; |
| 65 | msleep(1); |
| 66 | } |
| 67 | |
| 68 | if (req != IOPMU_QUEUE_EMPTY) { |
| 69 | writel(req, &iop->outbound_queue); |
| 70 | hptiop_pci_posting_flush(iop); |
| 71 | return 0; |
| 72 | } |
| 73 | |
| 74 | return -1; |
| 75 | } |
| 76 | |
| 77 | static void hptiop_request_callback(struct hptiop_hba *hba, u32 tag) |
| 78 | { |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 79 | if (tag & IOPMU_QUEUE_ADDR_HOST_BIT) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 80 | return hptiop_host_request_callback(hba, |
| 81 | tag & ~IOPMU_QUEUE_ADDR_HOST_BIT); |
| 82 | else |
| 83 | return hptiop_iop_request_callback(hba, tag); |
| 84 | } |
| 85 | |
| 86 | static inline void hptiop_drain_outbound_queue(struct hptiop_hba *hba) |
| 87 | { |
| 88 | u32 req; |
| 89 | |
| 90 | while ((req = readl(&hba->iop->outbound_queue)) != IOPMU_QUEUE_EMPTY) { |
| 91 | |
| 92 | if (req & IOPMU_QUEUE_MASK_HOST_BITS) |
| 93 | hptiop_request_callback(hba, req); |
| 94 | else { |
| 95 | struct hpt_iop_request_header __iomem * p; |
| 96 | |
| 97 | p = (struct hpt_iop_request_header __iomem *) |
| 98 | ((char __iomem *)hba->iop + req); |
| 99 | |
| 100 | if (readl(&p->flags) & IOP_REQUEST_FLAG_SYNC_REQUEST) { |
| 101 | if (readl(&p->context)) |
| 102 | hptiop_request_callback(hba, req); |
| 103 | else |
| 104 | writel(1, &p->context); |
| 105 | } |
| 106 | else |
| 107 | hptiop_request_callback(hba, req); |
| 108 | } |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | static int __iop_intr(struct hptiop_hba *hba) |
| 113 | { |
| 114 | struct hpt_iopmu __iomem *iop = hba->iop; |
| 115 | u32 status; |
| 116 | int ret = 0; |
| 117 | |
| 118 | status = readl(&iop->outbound_intstatus); |
| 119 | |
| 120 | if (status & IOPMU_OUTBOUND_INT_MSG0) { |
| 121 | u32 msg = readl(&iop->outbound_msgaddr0); |
| 122 | dprintk("received outbound msg %x\n", msg); |
| 123 | writel(IOPMU_OUTBOUND_INT_MSG0, &iop->outbound_intstatus); |
| 124 | hptiop_message_callback(hba, msg); |
| 125 | ret = 1; |
| 126 | } |
| 127 | |
| 128 | if (status & IOPMU_OUTBOUND_INT_POSTQUEUE) { |
| 129 | hptiop_drain_outbound_queue(hba); |
| 130 | ret = 1; |
| 131 | } |
| 132 | |
| 133 | return ret; |
| 134 | } |
| 135 | |
| 136 | static int iop_send_sync_request(struct hptiop_hba *hba, |
| 137 | void __iomem *_req, u32 millisec) |
| 138 | { |
| 139 | struct hpt_iop_request_header __iomem *req = _req; |
| 140 | u32 i; |
| 141 | |
| 142 | writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, |
| 143 | &req->flags); |
| 144 | |
| 145 | writel(0, &req->context); |
| 146 | |
| 147 | writel((unsigned long)req - (unsigned long)hba->iop, |
| 148 | &hba->iop->inbound_queue); |
| 149 | |
| 150 | hptiop_pci_posting_flush(hba->iop); |
| 151 | |
| 152 | for (i = 0; i < millisec; i++) { |
| 153 | __iop_intr(hba); |
| 154 | if (readl(&req->context)) |
| 155 | return 0; |
| 156 | msleep(1); |
| 157 | } |
| 158 | |
| 159 | return -1; |
| 160 | } |
| 161 | |
| 162 | static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec) |
| 163 | { |
| 164 | u32 i; |
| 165 | |
| 166 | hba->msg_done = 0; |
| 167 | |
| 168 | writel(msg, &hba->iop->inbound_msgaddr0); |
| 169 | |
| 170 | hptiop_pci_posting_flush(hba->iop); |
| 171 | |
| 172 | for (i = 0; i < millisec; i++) { |
| 173 | spin_lock_irq(hba->host->host_lock); |
| 174 | __iop_intr(hba); |
| 175 | spin_unlock_irq(hba->host->host_lock); |
| 176 | if (hba->msg_done) |
| 177 | break; |
| 178 | msleep(1); |
| 179 | } |
| 180 | |
| 181 | return hba->msg_done? 0 : -1; |
| 182 | } |
| 183 | |
| 184 | static int iop_get_config(struct hptiop_hba *hba, |
| 185 | struct hpt_iop_request_get_config *config) |
| 186 | { |
| 187 | u32 req32; |
| 188 | struct hpt_iop_request_get_config __iomem *req; |
| 189 | |
| 190 | req32 = readl(&hba->iop->inbound_queue); |
| 191 | if (req32 == IOPMU_QUEUE_EMPTY) |
| 192 | return -1; |
| 193 | |
| 194 | req = (struct hpt_iop_request_get_config __iomem *) |
| 195 | ((unsigned long)hba->iop + req32); |
| 196 | |
| 197 | writel(0, &req->header.flags); |
| 198 | writel(IOP_REQUEST_TYPE_GET_CONFIG, &req->header.type); |
| 199 | writel(sizeof(struct hpt_iop_request_get_config), &req->header.size); |
| 200 | writel(IOP_RESULT_PENDING, &req->header.result); |
| 201 | |
| 202 | if (iop_send_sync_request(hba, req, 20000)) { |
| 203 | dprintk("Get config send cmd failed\n"); |
| 204 | return -1; |
| 205 | } |
| 206 | |
| 207 | memcpy_fromio(config, req, sizeof(*config)); |
| 208 | writel(req32, &hba->iop->outbound_queue); |
| 209 | return 0; |
| 210 | } |
| 211 | |
| 212 | static int iop_set_config(struct hptiop_hba *hba, |
| 213 | struct hpt_iop_request_set_config *config) |
| 214 | { |
| 215 | u32 req32; |
| 216 | struct hpt_iop_request_set_config __iomem *req; |
| 217 | |
| 218 | req32 = readl(&hba->iop->inbound_queue); |
| 219 | if (req32 == IOPMU_QUEUE_EMPTY) |
| 220 | return -1; |
| 221 | |
| 222 | req = (struct hpt_iop_request_set_config __iomem *) |
| 223 | ((unsigned long)hba->iop + req32); |
| 224 | |
| 225 | memcpy_toio((u8 __iomem *)req + sizeof(struct hpt_iop_request_header), |
| 226 | (u8 *)config + sizeof(struct hpt_iop_request_header), |
| 227 | sizeof(struct hpt_iop_request_set_config) - |
| 228 | sizeof(struct hpt_iop_request_header)); |
| 229 | |
| 230 | writel(0, &req->header.flags); |
| 231 | writel(IOP_REQUEST_TYPE_SET_CONFIG, &req->header.type); |
| 232 | writel(sizeof(struct hpt_iop_request_set_config), &req->header.size); |
| 233 | writel(IOP_RESULT_PENDING, &req->header.result); |
| 234 | |
| 235 | if (iop_send_sync_request(hba, req, 20000)) { |
| 236 | dprintk("Set config send cmd failed\n"); |
| 237 | return -1; |
| 238 | } |
| 239 | |
| 240 | writel(req32, &hba->iop->outbound_queue); |
| 241 | return 0; |
| 242 | } |
| 243 | |
| 244 | static int hptiop_initialize_iop(struct hptiop_hba *hba) |
| 245 | { |
| 246 | struct hpt_iopmu __iomem *iop = hba->iop; |
| 247 | |
| 248 | /* enable interrupts */ |
| 249 | writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0), |
| 250 | &iop->outbound_intmask); |
| 251 | |
| 252 | hba->initialized = 1; |
| 253 | |
| 254 | /* start background tasks */ |
| 255 | if (iop_send_sync_msg(hba, |
| 256 | IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) { |
| 257 | printk(KERN_ERR "scsi%d: fail to start background task\n", |
| 258 | hba->host->host_no); |
| 259 | return -1; |
| 260 | } |
| 261 | return 0; |
| 262 | } |
| 263 | |
| 264 | static int hptiop_map_pci_bar(struct hptiop_hba *hba) |
| 265 | { |
| 266 | u32 mem_base_phy, length; |
| 267 | void __iomem *mem_base_virt; |
| 268 | struct pci_dev *pcidev = hba->pcidev; |
| 269 | |
| 270 | if (!(pci_resource_flags(pcidev, 0) & IORESOURCE_MEM)) { |
| 271 | printk(KERN_ERR "scsi%d: pci resource invalid\n", |
| 272 | hba->host->host_no); |
| 273 | return -1; |
| 274 | } |
| 275 | |
| 276 | mem_base_phy = pci_resource_start(pcidev, 0); |
| 277 | length = pci_resource_len(pcidev, 0); |
| 278 | mem_base_virt = ioremap(mem_base_phy, length); |
| 279 | |
| 280 | if (!mem_base_virt) { |
| 281 | printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n", |
| 282 | hba->host->host_no); |
| 283 | return -1; |
| 284 | } |
| 285 | |
| 286 | hba->iop = mem_base_virt; |
| 287 | dprintk("hptiop_map_pci_bar: iop=%p\n", hba->iop); |
| 288 | return 0; |
| 289 | } |
| 290 | |
| 291 | static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg) |
| 292 | { |
| 293 | dprintk("iop message 0x%x\n", msg); |
| 294 | |
| 295 | if (!hba->initialized) |
| 296 | return; |
| 297 | |
| 298 | if (msg == IOPMU_INBOUND_MSG0_RESET) { |
| 299 | atomic_set(&hba->resetting, 0); |
| 300 | wake_up(&hba->reset_wq); |
| 301 | } |
| 302 | else if (msg <= IOPMU_INBOUND_MSG0_MAX) |
| 303 | hba->msg_done = 1; |
| 304 | } |
| 305 | |
| 306 | static inline struct hptiop_request *get_req(struct hptiop_hba *hba) |
| 307 | { |
| 308 | struct hptiop_request *ret; |
| 309 | |
| 310 | dprintk("get_req : req=%p\n", hba->req_list); |
| 311 | |
| 312 | ret = hba->req_list; |
| 313 | if (ret) |
| 314 | hba->req_list = ret->next; |
| 315 | |
| 316 | return ret; |
| 317 | } |
| 318 | |
| 319 | static inline void free_req(struct hptiop_hba *hba, struct hptiop_request *req) |
| 320 | { |
| 321 | dprintk("free_req(%d, %p)\n", req->index, req); |
| 322 | req->next = hba->req_list; |
| 323 | hba->req_list = req; |
| 324 | } |
| 325 | |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 326 | static void hptiop_host_request_callback(struct hptiop_hba *hba, u32 _tag) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 327 | { |
| 328 | struct hpt_iop_request_scsi_command *req; |
| 329 | struct scsi_cmnd *scp; |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 330 | u32 tag; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 331 | |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 332 | if (hba->iopintf_v2) { |
| 333 | tag = _tag & ~ IOPMU_QUEUE_REQUEST_RESULT_BIT; |
| 334 | req = hba->reqs[tag].req_virt; |
| 335 | if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT)) |
| 336 | req->header.result = IOP_RESULT_SUCCESS; |
| 337 | } else { |
| 338 | tag = _tag; |
| 339 | req = hba->reqs[tag].req_virt; |
| 340 | } |
| 341 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 342 | dprintk("hptiop_host_request_callback: req=%p, type=%d, " |
| 343 | "result=%d, context=0x%x tag=%d\n", |
| 344 | req, req->header.type, req->header.result, |
| 345 | req->header.context, tag); |
| 346 | |
| 347 | BUG_ON(!req->header.result); |
| 348 | BUG_ON(req->header.type != cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND)); |
| 349 | |
| 350 | scp = hba->reqs[tag].scp; |
| 351 | |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 352 | if (HPT_SCP(scp)->mapped) |
| 353 | scsi_dma_unmap(scp); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 354 | |
| 355 | switch (le32_to_cpu(req->header.result)) { |
| 356 | case IOP_RESULT_SUCCESS: |
| 357 | scp->result = (DID_OK<<16); |
| 358 | break; |
| 359 | case IOP_RESULT_BAD_TARGET: |
| 360 | scp->result = (DID_BAD_TARGET<<16); |
| 361 | break; |
| 362 | case IOP_RESULT_BUSY: |
| 363 | scp->result = (DID_BUS_BUSY<<16); |
| 364 | break; |
| 365 | case IOP_RESULT_RESET: |
| 366 | scp->result = (DID_RESET<<16); |
| 367 | break; |
| 368 | case IOP_RESULT_FAIL: |
| 369 | scp->result = (DID_ERROR<<16); |
| 370 | break; |
| 371 | case IOP_RESULT_INVALID_REQUEST: |
| 372 | scp->result = (DID_ABORT<<16); |
| 373 | break; |
| 374 | case IOP_RESULT_MODE_SENSE_CHECK_CONDITION: |
| 375 | scp->result = SAM_STAT_CHECK_CONDITION; |
| 376 | memset(&scp->sense_buffer, |
| 377 | 0, sizeof(scp->sense_buffer)); |
| 378 | memcpy(&scp->sense_buffer, |
| 379 | &req->sg_list, le32_to_cpu(req->dataxfer_length)); |
| 380 | break; |
| 381 | |
| 382 | default: |
| 383 | scp->result = ((DRIVER_INVALID|SUGGEST_ABORT)<<24) | |
| 384 | (DID_ABORT<<16); |
| 385 | break; |
| 386 | } |
| 387 | |
| 388 | dprintk("scsi_done(%p)\n", scp); |
| 389 | scp->scsi_done(scp); |
| 390 | free_req(hba, &hba->reqs[tag]); |
| 391 | } |
| 392 | |
| 393 | void hptiop_iop_request_callback(struct hptiop_hba *hba, u32 tag) |
| 394 | { |
| 395 | struct hpt_iop_request_header __iomem *req; |
| 396 | struct hpt_iop_request_ioctl_command __iomem *p; |
| 397 | struct hpt_ioctl_k *arg; |
| 398 | |
| 399 | req = (struct hpt_iop_request_header __iomem *) |
| 400 | ((unsigned long)hba->iop + tag); |
| 401 | dprintk("hptiop_iop_request_callback: req=%p, type=%d, " |
| 402 | "result=%d, context=0x%x tag=%d\n", |
| 403 | req, readl(&req->type), readl(&req->result), |
| 404 | readl(&req->context), tag); |
| 405 | |
| 406 | BUG_ON(!readl(&req->result)); |
| 407 | BUG_ON(readl(&req->type) != IOP_REQUEST_TYPE_IOCTL_COMMAND); |
| 408 | |
| 409 | p = (struct hpt_iop_request_ioctl_command __iomem *)req; |
| 410 | arg = (struct hpt_ioctl_k *)(unsigned long) |
| 411 | (readl(&req->context) | |
| 412 | ((u64)readl(&req->context_hi32)<<32)); |
| 413 | |
| 414 | if (readl(&req->result) == IOP_RESULT_SUCCESS) { |
| 415 | arg->result = HPT_IOCTL_RESULT_OK; |
| 416 | |
| 417 | if (arg->outbuf_size) |
| 418 | memcpy_fromio(arg->outbuf, |
| 419 | &p->buf[(readl(&p->inbuf_size) + 3)& ~3], |
| 420 | arg->outbuf_size); |
| 421 | |
| 422 | if (arg->bytes_returned) |
| 423 | *arg->bytes_returned = arg->outbuf_size; |
| 424 | } |
| 425 | else |
| 426 | arg->result = HPT_IOCTL_RESULT_FAILED; |
| 427 | |
| 428 | arg->done(arg); |
| 429 | writel(tag, &hba->iop->outbound_queue); |
| 430 | } |
| 431 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 432 | static irqreturn_t hptiop_intr(int irq, void *dev_id) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 433 | { |
| 434 | struct hptiop_hba *hba = dev_id; |
| 435 | int handled; |
| 436 | unsigned long flags; |
| 437 | |
| 438 | spin_lock_irqsave(hba->host->host_lock, flags); |
| 439 | handled = __iop_intr(hba); |
| 440 | spin_unlock_irqrestore(hba->host->host_lock, flags); |
| 441 | |
| 442 | return handled; |
| 443 | } |
| 444 | |
| 445 | static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg) |
| 446 | { |
| 447 | struct Scsi_Host *host = scp->device->host; |
| 448 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 449 | struct scatterlist *sg; |
| 450 | int idx, nseg; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 451 | |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 452 | nseg = scsi_dma_map(scp); |
| 453 | BUG_ON(nseg < 0); |
| 454 | if (!nseg) |
| 455 | return 0; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 456 | |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 457 | HPT_SCP(scp)->sgcnt = nseg; |
| 458 | HPT_SCP(scp)->mapped = 1; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 459 | |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 460 | BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 461 | |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 462 | scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) { |
| 463 | psg[idx].pci_address = cpu_to_le64(sg_dma_address(sg)); |
| 464 | psg[idx].size = cpu_to_le32(sg_dma_len(sg)); |
| 465 | psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ? |
| 466 | cpu_to_le32(1) : 0; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 467 | } |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 468 | return HPT_SCP(scp)->sgcnt; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 469 | } |
| 470 | |
| 471 | static int hptiop_queuecommand(struct scsi_cmnd *scp, |
| 472 | void (*done)(struct scsi_cmnd *)) |
| 473 | { |
| 474 | struct Scsi_Host *host = scp->device->host; |
| 475 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; |
| 476 | struct hpt_iop_request_scsi_command *req; |
| 477 | int sg_count = 0; |
| 478 | struct hptiop_request *_req; |
| 479 | |
| 480 | BUG_ON(!done); |
| 481 | scp->scsi_done = done; |
| 482 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 483 | _req = get_req(hba); |
| 484 | if (_req == NULL) { |
| 485 | dprintk("hptiop_queuecmd : no free req\n"); |
HighPoint Linux Team | 4f2ddba | 2006-06-14 16:50:57 +0800 | [diff] [blame] | 486 | return SCSI_MLQUEUE_HOST_BUSY; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 487 | } |
| 488 | |
| 489 | _req->scp = scp; |
| 490 | |
| 491 | dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%d cdb=(%x-%x-%x) " |
| 492 | "req_index=%d, req=%p\n", |
| 493 | scp, |
| 494 | host->host_no, scp->device->channel, |
| 495 | scp->device->id, scp->device->lun, |
| 496 | *((u32 *)&scp->cmnd), |
| 497 | *((u32 *)&scp->cmnd + 1), |
| 498 | *((u32 *)&scp->cmnd + 2), |
| 499 | _req->index, _req->req_virt); |
| 500 | |
| 501 | scp->result = 0; |
| 502 | |
| 503 | if (scp->device->channel || scp->device->lun || |
| 504 | scp->device->id > hba->max_devices) { |
| 505 | scp->result = DID_BAD_TARGET << 16; |
| 506 | free_req(hba, _req); |
| 507 | goto cmd_done; |
| 508 | } |
| 509 | |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 510 | req = _req->req_virt; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 511 | |
| 512 | /* build S/G table */ |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 513 | sg_count = hptiop_buildsgl(scp, req->sg_list); |
| 514 | if (!sg_count) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 515 | HPT_SCP(scp)->mapped = 0; |
| 516 | |
| 517 | req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT); |
| 518 | req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND); |
| 519 | req->header.result = cpu_to_le32(IOP_RESULT_PENDING); |
| 520 | req->header.context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT | |
| 521 | (u32)_req->index); |
| 522 | req->header.context_hi32 = 0; |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 523 | req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp)); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 524 | req->channel = scp->device->channel; |
| 525 | req->target = scp->device->id; |
| 526 | req->lun = scp->device->lun; |
| 527 | req->header.size = cpu_to_le32( |
| 528 | sizeof(struct hpt_iop_request_scsi_command) |
| 529 | - sizeof(struct hpt_iopsg) |
| 530 | + sg_count * sizeof(struct hpt_iopsg)); |
| 531 | |
| 532 | memcpy(req->cdb, scp->cmnd, sizeof(req->cdb)); |
| 533 | |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 534 | if (hba->iopintf_v2) { |
| 535 | u32 size_bits; |
| 536 | if (req->header.size < 256) |
| 537 | size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT; |
| 538 | else if (req->header.size < 512) |
| 539 | size_bits = IOPMU_QUEUE_ADDR_HOST_BIT; |
| 540 | else |
| 541 | size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT | |
| 542 | IOPMU_QUEUE_ADDR_HOST_BIT; |
| 543 | writel(_req->req_shifted_phy | size_bits, &hba->iop->inbound_queue); |
| 544 | } else |
| 545 | writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT, |
| 546 | &hba->iop->inbound_queue); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 547 | |
| 548 | return 0; |
| 549 | |
| 550 | cmd_done: |
| 551 | dprintk("scsi_done(scp=%p)\n", scp); |
| 552 | scp->scsi_done(scp); |
| 553 | return 0; |
| 554 | } |
| 555 | |
| 556 | static const char *hptiop_info(struct Scsi_Host *host) |
| 557 | { |
| 558 | return driver_name_long; |
| 559 | } |
| 560 | |
| 561 | static int hptiop_reset_hba(struct hptiop_hba *hba) |
| 562 | { |
| 563 | if (atomic_xchg(&hba->resetting, 1) == 0) { |
| 564 | atomic_inc(&hba->reset_count); |
| 565 | writel(IOPMU_INBOUND_MSG0_RESET, |
HighPoint Linux Team | 8d4fbd3 | 2006-07-24 15:48:54 +0800 | [diff] [blame] | 566 | &hba->iop->inbound_msgaddr0); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 567 | hptiop_pci_posting_flush(hba->iop); |
| 568 | } |
| 569 | |
| 570 | wait_event_timeout(hba->reset_wq, |
| 571 | atomic_read(&hba->resetting) == 0, 60 * HZ); |
| 572 | |
| 573 | if (atomic_read(&hba->resetting)) { |
| 574 | /* IOP is in unkown state, abort reset */ |
| 575 | printk(KERN_ERR "scsi%d: reset failed\n", hba->host->host_no); |
| 576 | return -1; |
| 577 | } |
| 578 | |
| 579 | if (iop_send_sync_msg(hba, |
| 580 | IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) { |
| 581 | dprintk("scsi%d: fail to start background task\n", |
| 582 | hba->host->host_no); |
| 583 | } |
| 584 | |
| 585 | return 0; |
| 586 | } |
| 587 | |
| 588 | static int hptiop_reset(struct scsi_cmnd *scp) |
| 589 | { |
| 590 | struct Scsi_Host * host = scp->device->host; |
| 591 | struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata; |
| 592 | |
| 593 | printk(KERN_WARNING "hptiop_reset(%d/%d/%d) scp=%p\n", |
| 594 | scp->device->host->host_no, scp->device->channel, |
| 595 | scp->device->id, scp); |
| 596 | |
| 597 | return hptiop_reset_hba(hba)? FAILED : SUCCESS; |
| 598 | } |
| 599 | |
| 600 | static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev, |
| 601 | int queue_depth) |
| 602 | { |
| 603 | if(queue_depth > 256) |
| 604 | queue_depth = 256; |
| 605 | scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth); |
| 606 | return queue_depth; |
| 607 | } |
| 608 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 609 | static ssize_t hptiop_show_version(struct class_device *class_dev, char *buf) |
| 610 | { |
| 611 | return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver); |
| 612 | } |
| 613 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 614 | static ssize_t hptiop_show_fw_version(struct class_device *class_dev, char *buf) |
| 615 | { |
| 616 | struct Scsi_Host *host = class_to_shost(class_dev); |
| 617 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; |
| 618 | |
| 619 | return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n", |
| 620 | hba->firmware_version >> 24, |
| 621 | (hba->firmware_version >> 16) & 0xff, |
| 622 | (hba->firmware_version >> 8) & 0xff, |
| 623 | hba->firmware_version & 0xff); |
| 624 | } |
| 625 | |
| 626 | static struct class_device_attribute hptiop_attr_version = { |
| 627 | .attr = { |
| 628 | .name = "driver-version", |
| 629 | .mode = S_IRUGO, |
| 630 | }, |
| 631 | .show = hptiop_show_version, |
| 632 | }; |
| 633 | |
| 634 | static struct class_device_attribute hptiop_attr_fw_version = { |
| 635 | .attr = { |
| 636 | .name = "firmware-version", |
| 637 | .mode = S_IRUGO, |
| 638 | }, |
| 639 | .show = hptiop_show_fw_version, |
| 640 | }; |
| 641 | |
| 642 | static struct class_device_attribute *hptiop_attrs[] = { |
| 643 | &hptiop_attr_version, |
| 644 | &hptiop_attr_fw_version, |
| 645 | NULL |
| 646 | }; |
| 647 | |
| 648 | static struct scsi_host_template driver_template = { |
| 649 | .module = THIS_MODULE, |
| 650 | .name = driver_name, |
| 651 | .queuecommand = hptiop_queuecommand, |
| 652 | .eh_device_reset_handler = hptiop_reset, |
| 653 | .eh_bus_reset_handler = hptiop_reset, |
| 654 | .info = hptiop_info, |
| 655 | .unchecked_isa_dma = 0, |
| 656 | .emulated = 0, |
| 657 | .use_clustering = ENABLE_CLUSTERING, |
FUJITA Tomonori | 9cb83c7 | 2007-10-16 11:24:32 +0200 | [diff] [blame^] | 658 | .use_sg_chaining = ENABLE_SG_CHAINING, |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 659 | .proc_name = driver_name, |
| 660 | .shost_attrs = hptiop_attrs, |
| 661 | .this_id = -1, |
| 662 | .change_queue_depth = hptiop_adjust_disk_queue_depth, |
| 663 | }; |
| 664 | |
| 665 | static int __devinit hptiop_probe(struct pci_dev *pcidev, |
| 666 | const struct pci_device_id *id) |
| 667 | { |
| 668 | struct Scsi_Host *host = NULL; |
| 669 | struct hptiop_hba *hba; |
| 670 | struct hpt_iop_request_get_config iop_config; |
| 671 | struct hpt_iop_request_set_config set_config; |
| 672 | dma_addr_t start_phy; |
| 673 | void *start_virt; |
| 674 | u32 offset, i, req_size; |
| 675 | |
| 676 | dprintk("hptiop_probe(%p)\n", pcidev); |
| 677 | |
| 678 | if (pci_enable_device(pcidev)) { |
| 679 | printk(KERN_ERR "hptiop: fail to enable pci device\n"); |
| 680 | return -ENODEV; |
| 681 | } |
| 682 | |
| 683 | printk(KERN_INFO "adapter at PCI %d:%d:%d, IRQ %d\n", |
| 684 | pcidev->bus->number, pcidev->devfn >> 3, pcidev->devfn & 7, |
| 685 | pcidev->irq); |
| 686 | |
| 687 | pci_set_master(pcidev); |
| 688 | |
| 689 | /* Enable 64bit DMA if possible */ |
| 690 | if (pci_set_dma_mask(pcidev, DMA_64BIT_MASK)) { |
| 691 | if (pci_set_dma_mask(pcidev, DMA_32BIT_MASK)) { |
| 692 | printk(KERN_ERR "hptiop: fail to set dma_mask\n"); |
| 693 | goto disable_pci_device; |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | if (pci_request_regions(pcidev, driver_name)) { |
| 698 | printk(KERN_ERR "hptiop: pci_request_regions failed\n"); |
| 699 | goto disable_pci_device; |
| 700 | } |
| 701 | |
| 702 | host = scsi_host_alloc(&driver_template, sizeof(struct hptiop_hba)); |
| 703 | if (!host) { |
| 704 | printk(KERN_ERR "hptiop: fail to alloc scsi host\n"); |
| 705 | goto free_pci_regions; |
| 706 | } |
| 707 | |
| 708 | hba = (struct hptiop_hba *)host->hostdata; |
| 709 | |
| 710 | hba->pcidev = pcidev; |
| 711 | hba->host = host; |
| 712 | hba->initialized = 0; |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 713 | hba->iopintf_v2 = 0; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 714 | |
| 715 | atomic_set(&hba->resetting, 0); |
| 716 | atomic_set(&hba->reset_count, 0); |
| 717 | |
| 718 | init_waitqueue_head(&hba->reset_wq); |
| 719 | init_waitqueue_head(&hba->ioctl_wq); |
| 720 | |
| 721 | host->max_lun = 1; |
| 722 | host->max_channel = 0; |
| 723 | host->io_port = 0; |
| 724 | host->n_io_port = 0; |
| 725 | host->irq = pcidev->irq; |
| 726 | |
| 727 | if (hptiop_map_pci_bar(hba)) |
| 728 | goto free_scsi_host; |
| 729 | |
| 730 | if (iop_wait_ready(hba->iop, 20000)) { |
| 731 | printk(KERN_ERR "scsi%d: firmware not ready\n", |
| 732 | hba->host->host_no); |
| 733 | goto unmap_pci_bar; |
| 734 | } |
| 735 | |
| 736 | if (iop_get_config(hba, &iop_config)) { |
| 737 | printk(KERN_ERR "scsi%d: get config failed\n", |
| 738 | hba->host->host_no); |
| 739 | goto unmap_pci_bar; |
| 740 | } |
| 741 | |
| 742 | hba->max_requests = min(le32_to_cpu(iop_config.max_requests), |
| 743 | HPTIOP_MAX_REQUESTS); |
| 744 | hba->max_devices = le32_to_cpu(iop_config.max_devices); |
| 745 | hba->max_request_size = le32_to_cpu(iop_config.request_size); |
| 746 | hba->max_sg_descriptors = le32_to_cpu(iop_config.max_sg_count); |
| 747 | hba->firmware_version = le32_to_cpu(iop_config.firmware_version); |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 748 | hba->interface_version = le32_to_cpu(iop_config.interface_version); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 749 | hba->sdram_size = le32_to_cpu(iop_config.sdram_size); |
| 750 | |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 751 | if (hba->firmware_version > 0x01020000 || |
| 752 | hba->interface_version > 0x01020000) |
| 753 | hba->iopintf_v2 = 1; |
| 754 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 755 | host->max_sectors = le32_to_cpu(iop_config.data_transfer_length) >> 9; |
| 756 | host->max_id = le32_to_cpu(iop_config.max_devices); |
| 757 | host->sg_tablesize = le32_to_cpu(iop_config.max_sg_count); |
| 758 | host->can_queue = le32_to_cpu(iop_config.max_requests); |
| 759 | host->cmd_per_lun = le32_to_cpu(iop_config.max_requests); |
| 760 | host->max_cmd_len = 16; |
| 761 | |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 762 | req_size = sizeof(struct hpt_iop_request_scsi_command) |
| 763 | + sizeof(struct hpt_iopsg) * (hba->max_sg_descriptors - 1); |
| 764 | if ((req_size & 0x1f) != 0) |
| 765 | req_size = (req_size + 0x1f) & ~0x1f; |
| 766 | |
| 767 | memset(&set_config, 0, sizeof(struct hpt_iop_request_set_config)); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 768 | set_config.iop_id = cpu_to_le32(host->host_no); |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 769 | set_config.vbus_id = cpu_to_le16(host->host_no); |
| 770 | set_config.max_host_request_size = cpu_to_le16(req_size); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 771 | |
| 772 | if (iop_set_config(hba, &set_config)) { |
| 773 | printk(KERN_ERR "scsi%d: set config failed\n", |
| 774 | hba->host->host_no); |
| 775 | goto unmap_pci_bar; |
| 776 | } |
| 777 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 778 | pci_set_drvdata(pcidev, host); |
| 779 | |
Thomas Gleixner | 1d6f359 | 2006-07-01 19:29:42 -0700 | [diff] [blame] | 780 | if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED, |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 781 | driver_name, hba)) { |
| 782 | printk(KERN_ERR "scsi%d: request irq %d failed\n", |
| 783 | hba->host->host_no, pcidev->irq); |
Christoph Hellwig | 3e74051 | 2006-07-30 19:13:36 +0200 | [diff] [blame] | 784 | goto unmap_pci_bar; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 785 | } |
| 786 | |
| 787 | /* Allocate request mem */ |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 788 | |
| 789 | dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests); |
| 790 | |
| 791 | hba->req_size = req_size; |
| 792 | start_virt = dma_alloc_coherent(&pcidev->dev, |
| 793 | hba->req_size*hba->max_requests + 0x20, |
| 794 | &start_phy, GFP_KERNEL); |
| 795 | |
| 796 | if (!start_virt) { |
| 797 | printk(KERN_ERR "scsi%d: fail to alloc request mem\n", |
| 798 | hba->host->host_no); |
| 799 | goto free_request_irq; |
| 800 | } |
| 801 | |
| 802 | hba->dma_coherent = start_virt; |
| 803 | hba->dma_coherent_handle = start_phy; |
| 804 | |
| 805 | if ((start_phy & 0x1f) != 0) |
| 806 | { |
| 807 | offset = ((start_phy + 0x1f) & ~0x1f) - start_phy; |
| 808 | start_phy += offset; |
| 809 | start_virt += offset; |
| 810 | } |
| 811 | |
| 812 | hba->req_list = start_virt; |
| 813 | for (i = 0; i < hba->max_requests; i++) { |
| 814 | hba->reqs[i].next = NULL; |
| 815 | hba->reqs[i].req_virt = start_virt; |
| 816 | hba->reqs[i].req_shifted_phy = start_phy >> 5; |
| 817 | hba->reqs[i].index = i; |
| 818 | free_req(hba, &hba->reqs[i]); |
| 819 | start_virt = (char *)start_virt + hba->req_size; |
| 820 | start_phy = start_phy + hba->req_size; |
| 821 | } |
| 822 | |
| 823 | /* Enable Interrupt and start background task */ |
| 824 | if (hptiop_initialize_iop(hba)) |
| 825 | goto free_request_mem; |
| 826 | |
Christoph Hellwig | 3e74051 | 2006-07-30 19:13:36 +0200 | [diff] [blame] | 827 | if (scsi_add_host(host, &pcidev->dev)) { |
| 828 | printk(KERN_ERR "scsi%d: scsi_add_host failed\n", |
| 829 | hba->host->host_no); |
| 830 | goto free_request_mem; |
| 831 | } |
| 832 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 833 | |
| 834 | scsi_scan_host(host); |
| 835 | |
| 836 | dprintk("scsi%d: hptiop_probe successfully\n", hba->host->host_no); |
| 837 | return 0; |
| 838 | |
| 839 | free_request_mem: |
| 840 | dma_free_coherent(&hba->pcidev->dev, |
| 841 | hba->req_size*hba->max_requests + 0x20, |
| 842 | hba->dma_coherent, hba->dma_coherent_handle); |
| 843 | |
| 844 | free_request_irq: |
| 845 | free_irq(hba->pcidev->irq, hba); |
| 846 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 847 | unmap_pci_bar: |
| 848 | iounmap(hba->iop); |
| 849 | |
| 850 | free_pci_regions: |
| 851 | pci_release_regions(pcidev) ; |
| 852 | |
| 853 | free_scsi_host: |
| 854 | scsi_host_put(host); |
| 855 | |
| 856 | disable_pci_device: |
| 857 | pci_disable_device(pcidev); |
| 858 | |
| 859 | dprintk("scsi%d: hptiop_probe fail\n", host->host_no); |
| 860 | return -ENODEV; |
| 861 | } |
| 862 | |
| 863 | static void hptiop_shutdown(struct pci_dev *pcidev) |
| 864 | { |
| 865 | struct Scsi_Host *host = pci_get_drvdata(pcidev); |
| 866 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; |
| 867 | struct hpt_iopmu __iomem *iop = hba->iop; |
| 868 | u32 int_mask; |
| 869 | |
| 870 | dprintk("hptiop_shutdown(%p)\n", hba); |
| 871 | |
| 872 | /* stop the iop */ |
| 873 | if (iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_SHUTDOWN, 60000)) |
| 874 | printk(KERN_ERR "scsi%d: shutdown the iop timeout\n", |
| 875 | hba->host->host_no); |
| 876 | |
| 877 | /* disable all outbound interrupts */ |
| 878 | int_mask = readl(&iop->outbound_intmask); |
| 879 | writel(int_mask | |
| 880 | IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE, |
| 881 | &iop->outbound_intmask); |
| 882 | hptiop_pci_posting_flush(iop); |
| 883 | } |
| 884 | |
| 885 | static void hptiop_remove(struct pci_dev *pcidev) |
| 886 | { |
| 887 | struct Scsi_Host *host = pci_get_drvdata(pcidev); |
| 888 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; |
| 889 | |
| 890 | dprintk("scsi%d: hptiop_remove\n", hba->host->host_no); |
| 891 | |
HighPoint Linux Team | 4f2ddba | 2006-06-14 16:50:57 +0800 | [diff] [blame] | 892 | scsi_remove_host(host); |
| 893 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 894 | hptiop_shutdown(pcidev); |
| 895 | |
| 896 | free_irq(hba->pcidev->irq, hba); |
| 897 | |
| 898 | dma_free_coherent(&hba->pcidev->dev, |
| 899 | hba->req_size * hba->max_requests + 0x20, |
| 900 | hba->dma_coherent, |
| 901 | hba->dma_coherent_handle); |
| 902 | |
| 903 | iounmap(hba->iop); |
| 904 | |
| 905 | pci_release_regions(hba->pcidev); |
| 906 | pci_set_drvdata(hba->pcidev, NULL); |
| 907 | pci_disable_device(hba->pcidev); |
| 908 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 909 | scsi_host_put(host); |
| 910 | } |
| 911 | |
| 912 | static struct pci_device_id hptiop_id_table[] = { |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 913 | { PCI_VDEVICE(TTI, 0x3220) }, |
| 914 | { PCI_VDEVICE(TTI, 0x3320) }, |
| 915 | { PCI_VDEVICE(TTI, 0x3520) }, |
| 916 | { PCI_VDEVICE(TTI, 0x4320) }, |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 917 | {}, |
| 918 | }; |
| 919 | |
| 920 | MODULE_DEVICE_TABLE(pci, hptiop_id_table); |
| 921 | |
| 922 | static struct pci_driver hptiop_pci_driver = { |
| 923 | .name = driver_name, |
| 924 | .id_table = hptiop_id_table, |
| 925 | .probe = hptiop_probe, |
| 926 | .remove = hptiop_remove, |
| 927 | .shutdown = hptiop_shutdown, |
| 928 | }; |
| 929 | |
| 930 | static int __init hptiop_module_init(void) |
| 931 | { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 932 | printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver); |
Christoph Hellwig | 3e74051 | 2006-07-30 19:13:36 +0200 | [diff] [blame] | 933 | return pci_register_driver(&hptiop_pci_driver); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 934 | } |
| 935 | |
| 936 | static void __exit hptiop_module_exit(void) |
| 937 | { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 938 | pci_unregister_driver(&hptiop_pci_driver); |
| 939 | } |
| 940 | |
| 941 | |
| 942 | module_init(hptiop_module_init); |
| 943 | module_exit(hptiop_module_exit); |
| 944 | |
| 945 | MODULE_LICENSE("GPL"); |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 946 | |