2 * HighPoint RR3xxx controller driver for Linux
3 * Copyright (C) 2006 HighPoint Technologies, Inc. All Rights Reserved.
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.
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.
14 * Please report bugs/comments/suggestions to linux@highpoint-tech.com
16 * For more information, visit http://www.highpoint-tech.com
18 #include <linux/config.h>
19 #include <linux/module.h>
20 #include <linux/types.h>
21 #include <linux/string.h>
22 #include <linux/kernel.h>
23 #include <linux/pci.h>
24 #include <linux/interrupt.h>
25 #include <linux/errno.h>
26 #include <linux/delay.h>
27 #include <linux/timer.h>
28 #include <linux/spinlock.h>
29 #include <linux/hdreg.h>
30 #include <asm/uaccess.h>
32 #include <asm/div64.h>
33 #include <scsi/scsi_cmnd.h>
34 #include <scsi/scsi_device.h>
35 #include <scsi/scsi.h>
36 #include <scsi/scsi_tcq.h>
37 #include <scsi/scsi_host.h>
41 MODULE_AUTHOR("HighPoint Technologies, Inc.");
42 MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx SATA Controller Driver");
44 static char driver_name[] = "hptiop";
45 static const char driver_name_long[] = "RocketRAID 3xxx SATA Controller driver";
46 static const char driver_ver[] = "v1.0 (060426)";
48 static DEFINE_SPINLOCK(hptiop_hba_list_lock);
49 static LIST_HEAD(hptiop_hba_list);
50 static int hptiop_cdev_major = -1;
52 static void hptiop_host_request_callback(struct hptiop_hba *hba, u32 tag);
53 static void hptiop_iop_request_callback(struct hptiop_hba *hba, u32 tag);
54 static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg);
56 static inline void hptiop_pci_posting_flush(struct hpt_iopmu __iomem *iop)
58 readl(&iop->outbound_intstatus);
61 static int iop_wait_ready(struct hpt_iopmu __iomem *iop, u32 millisec)
66 for (i = 0; i < millisec; i++) {
67 req = readl(&iop->inbound_queue);
68 if (req != IOPMU_QUEUE_EMPTY)
73 if (req != IOPMU_QUEUE_EMPTY) {
74 writel(req, &iop->outbound_queue);
75 hptiop_pci_posting_flush(iop);
82 static void hptiop_request_callback(struct hptiop_hba *hba, u32 tag)
84 if ((tag & IOPMU_QUEUE_MASK_HOST_BITS) == IOPMU_QUEUE_ADDR_HOST_BIT)
85 return hptiop_host_request_callback(hba,
86 tag & ~IOPMU_QUEUE_ADDR_HOST_BIT);
88 return hptiop_iop_request_callback(hba, tag);
91 static inline void hptiop_drain_outbound_queue(struct hptiop_hba *hba)
95 while ((req = readl(&hba->iop->outbound_queue)) != IOPMU_QUEUE_EMPTY) {
97 if (req & IOPMU_QUEUE_MASK_HOST_BITS)
98 hptiop_request_callback(hba, req);
100 struct hpt_iop_request_header __iomem * p;
102 p = (struct hpt_iop_request_header __iomem *)
103 ((char __iomem *)hba->iop + req);
105 if (readl(&p->flags) & IOP_REQUEST_FLAG_SYNC_REQUEST) {
106 if (readl(&p->context))
107 hptiop_request_callback(hba, req);
109 writel(1, &p->context);
112 hptiop_request_callback(hba, req);
117 static int __iop_intr(struct hptiop_hba *hba)
119 struct hpt_iopmu __iomem *iop = hba->iop;
123 status = readl(&iop->outbound_intstatus);
125 if (status & IOPMU_OUTBOUND_INT_MSG0) {
126 u32 msg = readl(&iop->outbound_msgaddr0);
127 dprintk("received outbound msg %x\n", msg);
128 writel(IOPMU_OUTBOUND_INT_MSG0, &iop->outbound_intstatus);
129 hptiop_message_callback(hba, msg);
133 if (status & IOPMU_OUTBOUND_INT_POSTQUEUE) {
134 hptiop_drain_outbound_queue(hba);
141 static int iop_send_sync_request(struct hptiop_hba *hba,
142 void __iomem *_req, u32 millisec)
144 struct hpt_iop_request_header __iomem *req = _req;
147 writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST,
150 writel(0, &req->context);
152 writel((unsigned long)req - (unsigned long)hba->iop,
153 &hba->iop->inbound_queue);
155 hptiop_pci_posting_flush(hba->iop);
157 for (i = 0; i < millisec; i++) {
159 if (readl(&req->context))
167 static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec)
173 writel(msg, &hba->iop->inbound_msgaddr0);
175 hptiop_pci_posting_flush(hba->iop);
177 for (i = 0; i < millisec; i++) {
178 spin_lock_irq(hba->host->host_lock);
180 spin_unlock_irq(hba->host->host_lock);
186 return hba->msg_done? 0 : -1;
189 static int iop_get_config(struct hptiop_hba *hba,
190 struct hpt_iop_request_get_config *config)
193 struct hpt_iop_request_get_config __iomem *req;
195 req32 = readl(&hba->iop->inbound_queue);
196 if (req32 == IOPMU_QUEUE_EMPTY)
199 req = (struct hpt_iop_request_get_config __iomem *)
200 ((unsigned long)hba->iop + req32);
202 writel(0, &req->header.flags);
203 writel(IOP_REQUEST_TYPE_GET_CONFIG, &req->header.type);
204 writel(sizeof(struct hpt_iop_request_get_config), &req->header.size);
205 writel(IOP_RESULT_PENDING, &req->header.result);
207 if (iop_send_sync_request(hba, req, 20000)) {
208 dprintk("Get config send cmd failed\n");
212 memcpy_fromio(config, req, sizeof(*config));
213 writel(req32, &hba->iop->outbound_queue);
217 static int iop_set_config(struct hptiop_hba *hba,
218 struct hpt_iop_request_set_config *config)
221 struct hpt_iop_request_set_config __iomem *req;
223 req32 = readl(&hba->iop->inbound_queue);
224 if (req32 == IOPMU_QUEUE_EMPTY)
227 req = (struct hpt_iop_request_set_config __iomem *)
228 ((unsigned long)hba->iop + req32);
230 memcpy_toio((u8 __iomem *)req + sizeof(struct hpt_iop_request_header),
231 (u8 *)config + sizeof(struct hpt_iop_request_header),
232 sizeof(struct hpt_iop_request_set_config) -
233 sizeof(struct hpt_iop_request_header));
235 writel(0, &req->header.flags);
236 writel(IOP_REQUEST_TYPE_SET_CONFIG, &req->header.type);
237 writel(sizeof(struct hpt_iop_request_set_config), &req->header.size);
238 writel(IOP_RESULT_PENDING, &req->header.result);
240 if (iop_send_sync_request(hba, req, 20000)) {
241 dprintk("Set config send cmd failed\n");
245 writel(req32, &hba->iop->outbound_queue);
249 static int hptiop_initialize_iop(struct hptiop_hba *hba)
251 struct hpt_iopmu __iomem *iop = hba->iop;
253 /* enable interrupts */
254 writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0),
255 &iop->outbound_intmask);
257 hba->initialized = 1;
259 /* start background tasks */
260 if (iop_send_sync_msg(hba,
261 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
262 printk(KERN_ERR "scsi%d: fail to start background task\n",
269 static int hptiop_map_pci_bar(struct hptiop_hba *hba)
271 u32 mem_base_phy, length;
272 void __iomem *mem_base_virt;
273 struct pci_dev *pcidev = hba->pcidev;
275 if (!(pci_resource_flags(pcidev, 0) & IORESOURCE_MEM)) {
276 printk(KERN_ERR "scsi%d: pci resource invalid\n",
281 mem_base_phy = pci_resource_start(pcidev, 0);
282 length = pci_resource_len(pcidev, 0);
283 mem_base_virt = ioremap(mem_base_phy, length);
285 if (!mem_base_virt) {
286 printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n",
291 hba->iop = mem_base_virt;
292 dprintk("hptiop_map_pci_bar: iop=%p\n", hba->iop);
296 static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg)
298 dprintk("iop message 0x%x\n", msg);
300 if (!hba->initialized)
303 if (msg == IOPMU_INBOUND_MSG0_RESET) {
304 atomic_set(&hba->resetting, 0);
305 wake_up(&hba->reset_wq);
307 else if (msg <= IOPMU_INBOUND_MSG0_MAX)
311 static inline struct hptiop_request *get_req(struct hptiop_hba *hba)
313 struct hptiop_request *ret;
315 dprintk("get_req : req=%p\n", hba->req_list);
319 hba->req_list = ret->next;
324 static inline void free_req(struct hptiop_hba *hba, struct hptiop_request *req)
326 dprintk("free_req(%d, %p)\n", req->index, req);
327 req->next = hba->req_list;
331 static void hptiop_host_request_callback(struct hptiop_hba *hba, u32 tag)
333 struct hpt_iop_request_scsi_command *req;
334 struct scsi_cmnd *scp;
336 req = (struct hpt_iop_request_scsi_command *)hba->reqs[tag].req_virt;
337 dprintk("hptiop_host_request_callback: req=%p, type=%d, "
338 "result=%d, context=0x%x tag=%d\n",
339 req, req->header.type, req->header.result,
340 req->header.context, tag);
342 BUG_ON(!req->header.result);
343 BUG_ON(req->header.type != cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND));
345 scp = hba->reqs[tag].scp;
347 if (HPT_SCP(scp)->mapped) {
349 pci_unmap_sg(hba->pcidev,
350 (struct scatterlist *)scp->request_buffer,
352 scp->sc_data_direction
355 pci_unmap_single(hba->pcidev,
356 HPT_SCP(scp)->dma_handle,
357 scp->request_bufflen,
358 scp->sc_data_direction
362 switch (le32_to_cpu(req->header.result)) {
363 case IOP_RESULT_SUCCESS:
364 scp->result = (DID_OK<<16);
366 case IOP_RESULT_BAD_TARGET:
367 scp->result = (DID_BAD_TARGET<<16);
369 case IOP_RESULT_BUSY:
370 scp->result = (DID_BUS_BUSY<<16);
372 case IOP_RESULT_RESET:
373 scp->result = (DID_RESET<<16);
375 case IOP_RESULT_FAIL:
376 scp->result = (DID_ERROR<<16);
378 case IOP_RESULT_INVALID_REQUEST:
379 scp->result = (DID_ABORT<<16);
381 case IOP_RESULT_MODE_SENSE_CHECK_CONDITION:
382 scp->result = SAM_STAT_CHECK_CONDITION;
383 memset(&scp->sense_buffer,
384 0, sizeof(scp->sense_buffer));
385 memcpy(&scp->sense_buffer,
386 &req->sg_list, le32_to_cpu(req->dataxfer_length));
390 scp->result = ((DRIVER_INVALID|SUGGEST_ABORT)<<24) |
395 dprintk("scsi_done(%p)\n", scp);
397 free_req(hba, &hba->reqs[tag]);
400 void hptiop_iop_request_callback(struct hptiop_hba *hba, u32 tag)
402 struct hpt_iop_request_header __iomem *req;
403 struct hpt_iop_request_ioctl_command __iomem *p;
404 struct hpt_ioctl_k *arg;
406 req = (struct hpt_iop_request_header __iomem *)
407 ((unsigned long)hba->iop + tag);
408 dprintk("hptiop_iop_request_callback: req=%p, type=%d, "
409 "result=%d, context=0x%x tag=%d\n",
410 req, readl(&req->type), readl(&req->result),
411 readl(&req->context), tag);
413 BUG_ON(!readl(&req->result));
414 BUG_ON(readl(&req->type) != IOP_REQUEST_TYPE_IOCTL_COMMAND);
416 p = (struct hpt_iop_request_ioctl_command __iomem *)req;
417 arg = (struct hpt_ioctl_k *)(unsigned long)
418 (readl(&req->context) |
419 ((u64)readl(&req->context_hi32)<<32));
421 if (readl(&req->result) == IOP_RESULT_SUCCESS) {
422 arg->result = HPT_IOCTL_RESULT_OK;
424 if (arg->outbuf_size)
425 memcpy_fromio(arg->outbuf,
426 &p->buf[(readl(&p->inbuf_size) + 3)& ~3],
429 if (arg->bytes_returned)
430 *arg->bytes_returned = arg->outbuf_size;
433 arg->result = HPT_IOCTL_RESULT_FAILED;
436 writel(tag, &hba->iop->outbound_queue);
439 static irqreturn_t hptiop_intr(int irq, void *dev_id, struct pt_regs *regs)
441 struct hptiop_hba *hba = dev_id;
445 spin_lock_irqsave(hba->host->host_lock, flags);
446 handled = __iop_intr(hba);
447 spin_unlock_irqrestore(hba->host->host_lock, flags);
452 static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg)
454 struct Scsi_Host *host = scp->device->host;
455 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
456 struct scatterlist *sglist = (struct scatterlist *)scp->request_buffer;
459 * though we'll not get non-use_sg fields anymore,
460 * keep use_sg checking anyway
465 HPT_SCP(scp)->sgcnt = pci_map_sg(hba->pcidev,
467 scp->sc_data_direction);
468 HPT_SCP(scp)->mapped = 1;
469 BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
471 for (idx = 0; idx < HPT_SCP(scp)->sgcnt; idx++) {
472 psg[idx].pci_address =
473 cpu_to_le64(sg_dma_address(&sglist[idx]));
474 psg[idx].size = cpu_to_le32(sg_dma_len(&sglist[idx]));
475 psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
479 return HPT_SCP(scp)->sgcnt;
481 HPT_SCP(scp)->dma_handle = pci_map_single(
484 scp->request_bufflen,
485 scp->sc_data_direction
487 HPT_SCP(scp)->mapped = 1;
488 psg->pci_address = cpu_to_le64(HPT_SCP(scp)->dma_handle);
489 psg->size = cpu_to_le32(scp->request_bufflen);
490 psg->eot = cpu_to_le32(1);
495 static int hptiop_queuecommand(struct scsi_cmnd *scp,
496 void (*done)(struct scsi_cmnd *))
498 struct Scsi_Host *host = scp->device->host;
499 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
500 struct hpt_iop_request_scsi_command *req;
502 struct hptiop_request *_req;
505 scp->scsi_done = done;
508 * hptiop_shutdown will flash controller cache.
510 if (scp->cmnd[0] == SYNCHRONIZE_CACHE) {
511 scp->result = DID_OK<<16;
517 dprintk("hptiop_queuecmd : no free req\n");
518 scp->result = DID_BUS_BUSY << 16;
524 dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%d cdb=(%x-%x-%x) "
525 "req_index=%d, req=%p\n",
527 host->host_no, scp->device->channel,
528 scp->device->id, scp->device->lun,
529 *((u32 *)&scp->cmnd),
530 *((u32 *)&scp->cmnd + 1),
531 *((u32 *)&scp->cmnd + 2),
532 _req->index, _req->req_virt);
536 if (scp->device->channel || scp->device->lun ||
537 scp->device->id > hba->max_devices) {
538 scp->result = DID_BAD_TARGET << 16;
543 req = (struct hpt_iop_request_scsi_command *)_req->req_virt;
545 /* build S/G table */
546 if (scp->request_bufflen)
547 sg_count = hptiop_buildsgl(scp, req->sg_list);
549 HPT_SCP(scp)->mapped = 0;
551 req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
552 req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND);
553 req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
554 req->header.context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT |
556 req->header.context_hi32 = 0;
557 req->dataxfer_length = cpu_to_le32(scp->bufflen);
558 req->channel = scp->device->channel;
559 req->target = scp->device->id;
560 req->lun = scp->device->lun;
561 req->header.size = cpu_to_le32(
562 sizeof(struct hpt_iop_request_scsi_command)
563 - sizeof(struct hpt_iopsg)
564 + sg_count * sizeof(struct hpt_iopsg));
566 memcpy(req->cdb, scp->cmnd, sizeof(req->cdb));
568 writel(IOPMU_QUEUE_ADDR_HOST_BIT | _req->req_shifted_phy,
569 &hba->iop->inbound_queue);
574 dprintk("scsi_done(scp=%p)\n", scp);
579 static const char *hptiop_info(struct Scsi_Host *host)
581 return driver_name_long;
584 static int hptiop_reset_hba(struct hptiop_hba *hba)
586 if (atomic_xchg(&hba->resetting, 1) == 0) {
587 atomic_inc(&hba->reset_count);
588 writel(IOPMU_INBOUND_MSG0_RESET,
589 &hba->iop->outbound_msgaddr0);
590 hptiop_pci_posting_flush(hba->iop);
593 wait_event_timeout(hba->reset_wq,
594 atomic_read(&hba->resetting) == 0, 60 * HZ);
596 if (atomic_read(&hba->resetting)) {
597 /* IOP is in unkown state, abort reset */
598 printk(KERN_ERR "scsi%d: reset failed\n", hba->host->host_no);
602 if (iop_send_sync_msg(hba,
603 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
604 dprintk("scsi%d: fail to start background task\n",
611 static int hptiop_reset(struct scsi_cmnd *scp)
613 struct Scsi_Host * host = scp->device->host;
614 struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata;
616 printk(KERN_WARNING "hptiop_reset(%d/%d/%d) scp=%p\n",
617 scp->device->host->host_no, scp->device->channel,
618 scp->device->id, scp);
620 return hptiop_reset_hba(hba)? FAILED : SUCCESS;
623 static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev,
626 if(queue_depth > 256)
628 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth);
632 struct hptiop_getinfo {
640 static void hptiop_copy_mem_info(struct hptiop_getinfo *pinfo,
641 char *data, int datalen)
643 if (pinfo->filpos < pinfo->bufoffset) {
644 if (pinfo->filpos + datalen <= pinfo->bufoffset) {
645 pinfo->filpos += datalen;
648 data += (pinfo->bufoffset - pinfo->filpos);
649 datalen -= (pinfo->bufoffset - pinfo->filpos);
650 pinfo->filpos = pinfo->bufoffset;
654 pinfo->filpos += datalen;
655 if (pinfo->buffillen == pinfo->buflength)
658 if (pinfo->buflength - pinfo->buffillen < datalen)
659 datalen = pinfo->buflength - pinfo->buffillen;
661 if (copy_to_user(pinfo->buffer + pinfo->buffillen, data, datalen))
664 pinfo->buffillen += datalen;
667 static int hptiop_copy_info(struct hptiop_getinfo *pinfo, char *fmt, ...)
674 len = vsnprintf(buf, sizeof(buf), fmt, args);
676 hptiop_copy_mem_info(pinfo, buf, len);
680 static void hptiop_ioctl_done(struct hpt_ioctl_k *arg)
683 wake_up(&arg->hba->ioctl_wq);
686 static void hptiop_do_ioctl(struct hpt_ioctl_k *arg)
688 struct hptiop_hba *hba = arg->hba;
690 struct hpt_iop_request_ioctl_command __iomem *req;
693 dprintk("scsi%d: hptiop_do_ioctl\n", hba->host->host_no);
696 * check (in + out) buff size from application.
697 * outbuf must be dword aligned.
699 if (((arg->inbuf_size + 3) & ~3) + arg->outbuf_size >
700 hba->max_request_size
701 - sizeof(struct hpt_iop_request_header)
703 dprintk("scsi%d: ioctl buf size (%d/%d) is too large\n",
705 arg->inbuf_size, arg->outbuf_size);
706 arg->result = HPT_IOCTL_RESULT_FAILED;
711 spin_lock_irq(hba->host->host_lock);
713 val = readl(&hba->iop->inbound_queue);
714 if (val == IOPMU_QUEUE_EMPTY) {
715 spin_unlock_irq(hba->host->host_lock);
716 dprintk("scsi%d: no free req for ioctl\n", hba->host->host_no);
721 req = (struct hpt_iop_request_ioctl_command __iomem *)
722 ((unsigned long)hba->iop + val);
724 writel(HPT_CTL_CODE_LINUX_TO_IOP(arg->ioctl_code),
726 writel(arg->inbuf_size, &req->inbuf_size);
727 writel(arg->outbuf_size, &req->outbuf_size);
730 * use the buffer on the IOP local memory first, then copy it
732 * the caller's request buffer shoudl be little-endian.
735 memcpy_toio(req->buf, arg->inbuf, arg->inbuf_size);
737 /* correct the controller ID for IOP */
738 if ((arg->ioctl_code == HPT_IOCTL_GET_CHANNEL_INFO ||
739 arg->ioctl_code == HPT_IOCTL_GET_CONTROLLER_INFO_V2 ||
740 arg->ioctl_code == HPT_IOCTL_GET_CONTROLLER_INFO)
741 && arg->inbuf_size >= sizeof(u32))
744 writel(IOP_REQUEST_TYPE_IOCTL_COMMAND, &req->header.type);
745 writel(0, &req->header.flags);
746 writel(offsetof(struct hpt_iop_request_ioctl_command, buf)
747 + arg->inbuf_size, &req->header.size);
748 writel((u32)(unsigned long)arg, &req->header.context);
749 writel(BITS_PER_LONG > 32 ? (u32)((unsigned long)arg>>32) : 0,
750 &req->header.context_hi32);
751 writel(IOP_RESULT_PENDING, &req->header.result);
753 arg->result = HPT_IOCTL_RESULT_FAILED;
754 arg->done = hptiop_ioctl_done;
756 writel(val, &hba->iop->inbound_queue);
757 hptiop_pci_posting_flush(hba->iop);
759 spin_unlock_irq(hba->host->host_lock);
761 wait_event_timeout(hba->ioctl_wq, arg->done == NULL, 60 * HZ);
763 if (arg->done != NULL) {
764 hptiop_reset_hba(hba);
765 if (ioctl_retry++ < 3)
769 dprintk("hpt_iop_ioctl %x result %d\n",
770 arg->ioctl_code, arg->result);
773 static int __hpt_do_ioctl(struct hptiop_hba *hba, u32 code, void *inbuf,
774 u32 insize, void *outbuf, u32 outsize)
776 struct hpt_ioctl_k arg;
778 arg.ioctl_code = code;
781 arg.inbuf_size = insize;
782 arg.outbuf_size = outsize;
783 arg.bytes_returned = NULL;
784 hptiop_do_ioctl(&arg);
788 static inline int hpt_id_valid(__le32 id)
790 return id != 0 && id != cpu_to_le32(0xffffffff);
793 static int hptiop_get_controller_info(struct hptiop_hba *hba,
794 struct hpt_controller_info *pinfo)
798 return __hpt_do_ioctl(hba, HPT_IOCTL_GET_CONTROLLER_INFO,
799 &id, sizeof(int), pinfo, sizeof(*pinfo));
803 static int hptiop_get_channel_info(struct hptiop_hba *hba, int bus,
804 struct hpt_channel_info *pinfo)
810 return __hpt_do_ioctl(hba, HPT_IOCTL_GET_CHANNEL_INFO,
811 ids, sizeof(ids), pinfo, sizeof(*pinfo));
815 static int hptiop_get_logical_devices(struct hptiop_hba *hba,
816 __le32 *pids, int maxcount)
819 u32 count = maxcount - 1;
821 if (__hpt_do_ioctl(hba, HPT_IOCTL_GET_LOGICAL_DEVICES,
823 pids, sizeof(u32) * maxcount))
826 maxcount = le32_to_cpu(pids[0]);
827 for (i = 0; i < maxcount; i++)
833 static int hptiop_get_device_info_v3(struct hptiop_hba *hba, __le32 id,
834 struct hpt_logical_device_info_v3 *pinfo)
836 return __hpt_do_ioctl(hba, HPT_IOCTL_GET_DEVICE_INFO_V3,
838 pinfo, sizeof(*pinfo));
841 static const char *get_array_status(struct hpt_logical_device_info_v3 *devinfo)
844 u32 flags = le32_to_cpu(devinfo->u.array.flags);
845 u32 trans_prog = le32_to_cpu(devinfo->u.array.transforming_progress);
846 u32 reb_prog = le32_to_cpu(devinfo->u.array.rebuilding_progress);
848 if (flags & ARRAY_FLAG_DISABLED)
850 else if (flags & ARRAY_FLAG_TRANSFORMING)
851 sprintf(s, "Expanding/Migrating %d.%d%%%s%s",
854 (flags & (ARRAY_FLAG_NEEDBUILDING|ARRAY_FLAG_BROKEN))?
856 ((flags & ARRAY_FLAG_NEEDINITIALIZING) &&
857 !(flags & ARRAY_FLAG_REBUILDING) &&
858 !(flags & ARRAY_FLAG_INITIALIZING))?
859 ", Unintialized" : "");
860 else if ((flags & ARRAY_FLAG_BROKEN) &&
861 devinfo->u.array.array_type != AT_RAID6)
863 else if (flags & ARRAY_FLAG_REBUILDING)
865 (flags & ARRAY_FLAG_NEEDINITIALIZING)?
866 "%sBackground initializing %d.%d%%" :
867 "%sRebuilding %d.%d%%",
868 (flags & ARRAY_FLAG_BROKEN)? "Critical, " : "",
871 else if (flags & ARRAY_FLAG_VERIFYING)
872 sprintf(s, "%sVerifying %d.%d%%",
873 (flags & ARRAY_FLAG_BROKEN)? "Critical, " : "",
876 else if (flags & ARRAY_FLAG_INITIALIZING)
877 sprintf(s, "%sForground initializing %d.%d%%",
878 (flags & ARRAY_FLAG_BROKEN)? "Critical, " : "",
881 else if (flags & ARRAY_FLAG_NEEDTRANSFORM)
882 sprintf(s,"%s%s%s", "Need Expanding/Migrating",
883 (flags & ARRAY_FLAG_BROKEN)? "Critical, " : "",
884 ((flags & ARRAY_FLAG_NEEDINITIALIZING) &&
885 !(flags & ARRAY_FLAG_REBUILDING) &&
886 !(flags & ARRAY_FLAG_INITIALIZING))?
887 ", Unintialized" : "");
888 else if (flags & ARRAY_FLAG_NEEDINITIALIZING &&
889 !(flags & ARRAY_FLAG_REBUILDING) &&
890 !(flags & ARRAY_FLAG_INITIALIZING))
891 sprintf(s,"%sUninitialized",
892 (flags & ARRAY_FLAG_BROKEN)? "Critical, " : "");
893 else if ((flags & ARRAY_FLAG_NEEDBUILDING) ||
894 (flags & ARRAY_FLAG_BROKEN))
901 static void hptiop_dump_devinfo(struct hptiop_hba *hba,
902 struct hptiop_getinfo *pinfo, __le32 id, int indent)
904 struct hpt_logical_device_info_v3 devinfo;
908 for (i = 0; i < indent; i++)
909 hptiop_copy_info(pinfo, "\t");
911 if (hptiop_get_device_info_v3(hba, id, &devinfo)) {
912 hptiop_copy_info(pinfo, "unknown\n");
916 switch (devinfo.type) {
919 struct hd_driveid *driveid;
920 u32 flags = le32_to_cpu(devinfo.u.device.flags);
922 driveid = (struct hd_driveid *)devinfo.u.device.ident;
923 /* model[] is 40 chars long, but we just want 20 chars here */
924 driveid->model[20] = 0;
927 if (flags & DEVICE_FLAG_DISABLED)
928 hptiop_copy_info(pinfo,"Missing\n");
930 hptiop_copy_info(pinfo, "CH%d %s\n",
931 devinfo.u.device.path_id + 1,
934 capacity = le64_to_cpu(devinfo.capacity) * 512;
935 do_div(capacity, 1000000);
936 hptiop_copy_info(pinfo,
937 "CH%d %s, %lluMB, %s %s%s%s%s\n",
938 devinfo.u.device.path_id + 1,
941 (flags & DEVICE_FLAG_DISABLED)?
942 "Disabled" : "Normal",
943 devinfo.u.device.read_ahead_enabled?
945 devinfo.u.device.write_cache_enabled?
947 devinfo.u.device.TCQ_enabled?
949 devinfo.u.device.NCQ_enabled?
957 if (devinfo.target_id != INVALID_TARGET_ID)
958 hptiop_copy_info(pinfo, "[DISK %d_%d] ",
959 devinfo.vbus_id, devinfo.target_id);
961 capacity = le64_to_cpu(devinfo.capacity) * 512;
962 do_div(capacity, 1000000);
963 hptiop_copy_info(pinfo, "%s (%s), %lluMB, %s\n",
964 devinfo.u.array.name,
965 devinfo.u.array.array_type==AT_RAID0? "RAID0" :
966 devinfo.u.array.array_type==AT_RAID1? "RAID1" :
967 devinfo.u.array.array_type==AT_RAID5? "RAID5" :
968 devinfo.u.array.array_type==AT_RAID6? "RAID6" :
969 devinfo.u.array.array_type==AT_JBOD? "JBOD" :
972 get_array_status(&devinfo));
973 for (i = 0; i < devinfo.u.array.ndisk; i++) {
974 if (hpt_id_valid(devinfo.u.array.members[i])) {
975 if (cpu_to_le16(1<<i) &
976 devinfo.u.array.critical_members)
977 hptiop_copy_info(pinfo, "\t*");
978 hptiop_dump_devinfo(hba, pinfo,
979 devinfo.u.array.members[i], indent+1);
982 hptiop_copy_info(pinfo, "\tMissing\n");
984 if (id == devinfo.u.array.transform_source) {
985 hptiop_copy_info(pinfo, "\tExpanding/Migrating to:\n");
986 hptiop_dump_devinfo(hba, pinfo,
987 devinfo.u.array.transform_target, indent+1);
993 static ssize_t hptiop_show_version(struct class_device *class_dev, char *buf)
995 return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver);
998 static ssize_t hptiop_cdev_read(struct file *filp, char __user *buf,
999 size_t count, loff_t *ppos)
1001 struct hptiop_hba *hba = filp->private_data;
1002 struct hptiop_getinfo info;
1004 struct hpt_controller_info con_info;
1005 struct hpt_channel_info chan_info;
1009 info.buflength = count;
1010 info.bufoffset = ppos ? *ppos : 0;
1014 if (hptiop_get_controller_info(hba, &con_info))
1017 for (i = 0; i < con_info.num_buses; i++) {
1018 if (hptiop_get_channel_info(hba, i, &chan_info) == 0) {
1019 if (hpt_id_valid(chan_info.devices[0]))
1020 hptiop_dump_devinfo(hba, &info,
1021 chan_info.devices[0], 0);
1022 if (hpt_id_valid(chan_info.devices[1]))
1023 hptiop_dump_devinfo(hba, &info,
1024 chan_info.devices[1], 0);
1028 ndev = hptiop_get_logical_devices(hba, ids,
1029 sizeof(ids) / sizeof(ids[0]));
1032 * if hptiop_get_logical_devices fails, ndev==-1 and it just
1033 * output nothing here
1035 for (j = 0; j < ndev; j++)
1036 hptiop_dump_devinfo(hba, &info, ids[j], 0);
1039 *ppos += info.buffillen;
1041 return info.buffillen;
1044 static int hptiop_cdev_ioctl(struct inode *inode, struct file *file,
1045 unsigned int cmd, unsigned long arg)
1047 struct hptiop_hba *hba = file->private_data;
1048 struct hpt_ioctl_u ioctl_u;
1049 struct hpt_ioctl_k ioctl_k;
1053 if (copy_from_user(&ioctl_u,
1054 (void __user *)arg, sizeof(struct hpt_ioctl_u)))
1057 if (ioctl_u.magic != HPT_IOCTL_MAGIC)
1060 ioctl_k.ioctl_code = ioctl_u.ioctl_code;
1061 ioctl_k.inbuf = NULL;
1062 ioctl_k.inbuf_size = ioctl_u.inbuf_size;
1063 ioctl_k.outbuf = NULL;
1064 ioctl_k.outbuf_size = ioctl_u.outbuf_size;
1066 ioctl_k.bytes_returned = &bytes_returned;
1068 /* verify user buffer */
1069 if ((ioctl_k.inbuf_size && !access_ok(VERIFY_READ,
1070 ioctl_u.inbuf, ioctl_k.inbuf_size)) ||
1071 (ioctl_k.outbuf_size && !access_ok(VERIFY_WRITE,
1072 ioctl_u.outbuf, ioctl_k.outbuf_size)) ||
1073 (ioctl_u.bytes_returned && !access_ok(VERIFY_WRITE,
1074 ioctl_u.bytes_returned, sizeof(u32))) ||
1075 ioctl_k.inbuf_size + ioctl_k.outbuf_size > 0x10000) {
1077 dprintk("scsi%d: got bad user address\n", hba->host->host_no);
1081 /* map buffer to kernel. */
1082 if (ioctl_k.inbuf_size) {
1083 ioctl_k.inbuf = kmalloc(ioctl_k.inbuf_size, GFP_KERNEL);
1084 if (!ioctl_k.inbuf) {
1085 dprintk("scsi%d: fail to alloc inbuf\n",
1086 hba->host->host_no);
1091 if (copy_from_user(ioctl_k.inbuf,
1092 ioctl_u.inbuf, ioctl_k.inbuf_size)) {
1097 if (ioctl_k.outbuf_size) {
1098 ioctl_k.outbuf = kmalloc(ioctl_k.outbuf_size, GFP_KERNEL);
1099 if (!ioctl_k.outbuf) {
1100 dprintk("scsi%d: fail to alloc outbuf\n",
1101 hba->host->host_no);
1107 hptiop_do_ioctl(&ioctl_k);
1109 if (ioctl_k.result == HPT_IOCTL_RESULT_OK) {
1110 if (ioctl_k.outbuf_size &&
1111 copy_to_user(ioctl_u.outbuf,
1112 ioctl_k.outbuf, ioctl_k.outbuf_size))
1115 if (ioctl_u.bytes_returned &&
1116 copy_to_user(ioctl_u.bytes_returned,
1117 &bytes_returned, sizeof(u32)))
1124 kfree(ioctl_k.inbuf);
1125 kfree(ioctl_k.outbuf);
1130 static int hptiop_cdev_open(struct inode *inode, struct file *file)
1132 struct hptiop_hba *hba;
1133 unsigned i = 0, minor = iminor(inode);
1136 spin_lock(&hptiop_hba_list_lock);
1137 list_for_each_entry(hba, &hptiop_hba_list, link) {
1139 file->private_data = hba;
1147 spin_unlock(&hptiop_hba_list_lock);
1151 static struct file_operations hptiop_cdev_fops = {
1152 .owner = THIS_MODULE,
1153 .read = hptiop_cdev_read,
1154 .ioctl = hptiop_cdev_ioctl,
1155 .open = hptiop_cdev_open,
1158 static ssize_t hptiop_show_fw_version(struct class_device *class_dev, char *buf)
1160 struct Scsi_Host *host = class_to_shost(class_dev);
1161 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1163 return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n",
1164 hba->firmware_version >> 24,
1165 (hba->firmware_version >> 16) & 0xff,
1166 (hba->firmware_version >> 8) & 0xff,
1167 hba->firmware_version & 0xff);
1170 static struct class_device_attribute hptiop_attr_version = {
1172 .name = "driver-version",
1175 .show = hptiop_show_version,
1178 static struct class_device_attribute hptiop_attr_fw_version = {
1180 .name = "firmware-version",
1183 .show = hptiop_show_fw_version,
1186 static struct class_device_attribute *hptiop_attrs[] = {
1187 &hptiop_attr_version,
1188 &hptiop_attr_fw_version,
1192 static struct scsi_host_template driver_template = {
1193 .module = THIS_MODULE,
1194 .name = driver_name,
1195 .queuecommand = hptiop_queuecommand,
1196 .eh_device_reset_handler = hptiop_reset,
1197 .eh_bus_reset_handler = hptiop_reset,
1198 .info = hptiop_info,
1199 .unchecked_isa_dma = 0,
1201 .use_clustering = ENABLE_CLUSTERING,
1202 .proc_name = driver_name,
1203 .shost_attrs = hptiop_attrs,
1205 .change_queue_depth = hptiop_adjust_disk_queue_depth,
1208 static int __devinit hptiop_probe(struct pci_dev *pcidev,
1209 const struct pci_device_id *id)
1211 struct Scsi_Host *host = NULL;
1212 struct hptiop_hba *hba;
1213 struct hpt_iop_request_get_config iop_config;
1214 struct hpt_iop_request_set_config set_config;
1215 dma_addr_t start_phy;
1217 u32 offset, i, req_size;
1219 dprintk("hptiop_probe(%p)\n", pcidev);
1221 if (pci_enable_device(pcidev)) {
1222 printk(KERN_ERR "hptiop: fail to enable pci device\n");
1226 printk(KERN_INFO "adapter at PCI %d:%d:%d, IRQ %d\n",
1227 pcidev->bus->number, pcidev->devfn >> 3, pcidev->devfn & 7,
1230 pci_set_master(pcidev);
1232 /* Enable 64bit DMA if possible */
1233 if (pci_set_dma_mask(pcidev, DMA_64BIT_MASK)) {
1234 if (pci_set_dma_mask(pcidev, DMA_32BIT_MASK)) {
1235 printk(KERN_ERR "hptiop: fail to set dma_mask\n");
1236 goto disable_pci_device;
1240 if (pci_request_regions(pcidev, driver_name)) {
1241 printk(KERN_ERR "hptiop: pci_request_regions failed\n");
1242 goto disable_pci_device;
1245 host = scsi_host_alloc(&driver_template, sizeof(struct hptiop_hba));
1247 printk(KERN_ERR "hptiop: fail to alloc scsi host\n");
1248 goto free_pci_regions;
1251 hba = (struct hptiop_hba *)host->hostdata;
1253 hba->pcidev = pcidev;
1255 hba->initialized = 0;
1257 atomic_set(&hba->resetting, 0);
1258 atomic_set(&hba->reset_count, 0);
1260 init_waitqueue_head(&hba->reset_wq);
1261 init_waitqueue_head(&hba->ioctl_wq);
1264 host->max_channel = 0;
1266 host->n_io_port = 0;
1267 host->irq = pcidev->irq;
1269 if (hptiop_map_pci_bar(hba))
1270 goto free_scsi_host;
1272 if (iop_wait_ready(hba->iop, 20000)) {
1273 printk(KERN_ERR "scsi%d: firmware not ready\n",
1274 hba->host->host_no);
1278 if (iop_get_config(hba, &iop_config)) {
1279 printk(KERN_ERR "scsi%d: get config failed\n",
1280 hba->host->host_no);
1284 hba->max_requests = min(le32_to_cpu(iop_config.max_requests),
1285 HPTIOP_MAX_REQUESTS);
1286 hba->max_devices = le32_to_cpu(iop_config.max_devices);
1287 hba->max_request_size = le32_to_cpu(iop_config.request_size);
1288 hba->max_sg_descriptors = le32_to_cpu(iop_config.max_sg_count);
1289 hba->firmware_version = le32_to_cpu(iop_config.firmware_version);
1290 hba->sdram_size = le32_to_cpu(iop_config.sdram_size);
1292 host->max_sectors = le32_to_cpu(iop_config.data_transfer_length) >> 9;
1293 host->max_id = le32_to_cpu(iop_config.max_devices);
1294 host->sg_tablesize = le32_to_cpu(iop_config.max_sg_count);
1295 host->can_queue = le32_to_cpu(iop_config.max_requests);
1296 host->cmd_per_lun = le32_to_cpu(iop_config.max_requests);
1297 host->max_cmd_len = 16;
1299 set_config.vbus_id = cpu_to_le32(host->host_no);
1300 set_config.iop_id = cpu_to_le32(host->host_no);
1302 if (iop_set_config(hba, &set_config)) {
1303 printk(KERN_ERR "scsi%d: set config failed\n",
1304 hba->host->host_no);
1308 if (scsi_add_host(host, &pcidev->dev)) {
1309 printk(KERN_ERR "scsi%d: scsi_add_host failed\n",
1310 hba->host->host_no);
1314 pci_set_drvdata(pcidev, host);
1316 if (request_irq(pcidev->irq, hptiop_intr, SA_SHIRQ,
1317 driver_name, hba)) {
1318 printk(KERN_ERR "scsi%d: request irq %d failed\n",
1319 hba->host->host_no, pcidev->irq);
1320 goto remove_scsi_host;
1323 /* Allocate request mem */
1324 req_size = sizeof(struct hpt_iop_request_scsi_command)
1325 + sizeof(struct hpt_iopsg) * (hba->max_sg_descriptors - 1);
1326 if ((req_size& 0x1f) != 0)
1327 req_size = (req_size + 0x1f) & ~0x1f;
1329 dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests);
1331 hba->req_size = req_size;
1332 start_virt = dma_alloc_coherent(&pcidev->dev,
1333 hba->req_size*hba->max_requests + 0x20,
1334 &start_phy, GFP_KERNEL);
1337 printk(KERN_ERR "scsi%d: fail to alloc request mem\n",
1338 hba->host->host_no);
1339 goto free_request_irq;
1342 hba->dma_coherent = start_virt;
1343 hba->dma_coherent_handle = start_phy;
1345 if ((start_phy & 0x1f) != 0)
1347 offset = ((start_phy + 0x1f) & ~0x1f) - start_phy;
1348 start_phy += offset;
1349 start_virt += offset;
1352 hba->req_list = start_virt;
1353 for (i = 0; i < hba->max_requests; i++) {
1354 hba->reqs[i].next = NULL;
1355 hba->reqs[i].req_virt = start_virt;
1356 hba->reqs[i].req_shifted_phy = start_phy >> 5;
1357 hba->reqs[i].index = i;
1358 free_req(hba, &hba->reqs[i]);
1359 start_virt = (char *)start_virt + hba->req_size;
1360 start_phy = start_phy + hba->req_size;
1363 /* Enable Interrupt and start background task */
1364 if (hptiop_initialize_iop(hba))
1365 goto free_request_mem;
1367 spin_lock(&hptiop_hba_list_lock);
1368 list_add_tail(&hba->link, &hptiop_hba_list);
1369 spin_unlock(&hptiop_hba_list_lock);
1371 scsi_scan_host(host);
1373 dprintk("scsi%d: hptiop_probe successfully\n", hba->host->host_no);
1377 dma_free_coherent(&hba->pcidev->dev,
1378 hba->req_size*hba->max_requests + 0x20,
1379 hba->dma_coherent, hba->dma_coherent_handle);
1382 free_irq(hba->pcidev->irq, hba);
1385 scsi_remove_host(host);
1391 pci_release_regions(pcidev) ;
1394 scsi_host_put(host);
1397 pci_disable_device(pcidev);
1399 dprintk("scsi%d: hptiop_probe fail\n", host->host_no);
1403 static void hptiop_shutdown(struct pci_dev *pcidev)
1405 struct Scsi_Host *host = pci_get_drvdata(pcidev);
1406 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1407 struct hpt_iopmu __iomem *iop = hba->iop;
1410 dprintk("hptiop_shutdown(%p)\n", hba);
1413 if (iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_SHUTDOWN, 60000))
1414 printk(KERN_ERR "scsi%d: shutdown the iop timeout\n",
1415 hba->host->host_no);
1417 /* disable all outbound interrupts */
1418 int_mask = readl(&iop->outbound_intmask);
1420 IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE,
1421 &iop->outbound_intmask);
1422 hptiop_pci_posting_flush(iop);
1425 static void hptiop_remove(struct pci_dev *pcidev)
1427 struct Scsi_Host *host = pci_get_drvdata(pcidev);
1428 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1430 dprintk("scsi%d: hptiop_remove\n", hba->host->host_no);
1432 spin_lock(&hptiop_hba_list_lock);
1433 list_del_init(&hba->link);
1434 spin_unlock(&hptiop_hba_list_lock);
1436 hptiop_shutdown(pcidev);
1438 free_irq(hba->pcidev->irq, hba);
1440 dma_free_coherent(&hba->pcidev->dev,
1441 hba->req_size * hba->max_requests + 0x20,
1443 hba->dma_coherent_handle);
1447 pci_release_regions(hba->pcidev);
1448 pci_set_drvdata(hba->pcidev, NULL);
1449 pci_disable_device(hba->pcidev);
1451 scsi_remove_host(host);
1452 scsi_host_put(host);
1455 static struct pci_device_id hptiop_id_table[] = {
1456 { PCI_DEVICE(0x1103, 0x3220) },
1457 { PCI_DEVICE(0x1103, 0x3320) },
1461 MODULE_DEVICE_TABLE(pci, hptiop_id_table);
1463 static struct pci_driver hptiop_pci_driver = {
1464 .name = driver_name,
1465 .id_table = hptiop_id_table,
1466 .probe = hptiop_probe,
1467 .remove = hptiop_remove,
1468 .shutdown = hptiop_shutdown,
1471 static int __init hptiop_module_init(void)
1475 printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver);
1477 error = pci_register_driver(&hptiop_pci_driver);
1481 hptiop_cdev_major = register_chrdev(0, "hptiop", &hptiop_cdev_fops);
1482 if (hptiop_cdev_major < 0) {
1483 printk(KERN_WARNING "unable to register hptiop device.\n");
1484 return hptiop_cdev_major;
1490 static void __exit hptiop_module_exit(void)
1492 dprintk("hptiop_module_exit\n");
1493 unregister_chrdev(hptiop_cdev_major, "hptiop");
1494 pci_unregister_driver(&hptiop_pci_driver);
1498 module_init(hptiop_module_init);
1499 module_exit(hptiop_module_exit);
1501 MODULE_LICENSE("GPL");