/*
- * HighPoint RR3xxx controller driver for Linux
- * Copyright (C) 2006 HighPoint Technologies, Inc. All Rights Reserved.
+ * HighPoint RR3xxx/4xxx controller driver for Linux
+ * Copyright (C) 2006-2009 HighPoint Technologies, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* For more information, visit http://www.highpoint-tech.com
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/spinlock.h>
-#include <linux/hdreg.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/div64.h>
#include "hptiop.h"
MODULE_AUTHOR("HighPoint Technologies, Inc.");
-MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx SATA Controller Driver");
+MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver");
static char driver_name[] = "hptiop";
-static const char driver_name_long[] = "RocketRAID 3xxx SATA Controller driver";
-static const char driver_ver[] = "v1.0 (060426)";
-
-static DEFINE_SPINLOCK(hptiop_hba_list_lock);
-static LIST_HEAD(hptiop_hba_list);
-static int hptiop_cdev_major = -1;
-
-static void hptiop_host_request_callback(struct hptiop_hba *hba, u32 tag);
-static void hptiop_iop_request_callback(struct hptiop_hba *hba, u32 tag);
+static const char driver_name_long[] = "RocketRAID 3xxx/4xxx Controller driver";
+static const char driver_ver[] = "v1.6 (090910)";
+
+static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec);
+static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
+ struct hpt_iop_request_scsi_command *req);
+static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 tag);
+static void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag);
static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg);
-static inline void hptiop_pci_posting_flush(struct hpt_iopmu __iomem *iop)
-{
- readl(&iop->outbound_intstatus);
-}
-
-static int iop_wait_ready(struct hpt_iopmu __iomem *iop, u32 millisec)
+static int iop_wait_ready_itl(struct hptiop_hba *hba, u32 millisec)
{
u32 req = 0;
int i;
for (i = 0; i < millisec; i++) {
- req = readl(&iop->inbound_queue);
+ req = readl(&hba->u.itl.iop->inbound_queue);
if (req != IOPMU_QUEUE_EMPTY)
break;
msleep(1);
}
if (req != IOPMU_QUEUE_EMPTY) {
- writel(req, &iop->outbound_queue);
- hptiop_pci_posting_flush(iop);
+ writel(req, &hba->u.itl.iop->outbound_queue);
+ readl(&hba->u.itl.iop->outbound_intstatus);
return 0;
}
return -1;
}
-static void hptiop_request_callback(struct hptiop_hba *hba, u32 tag)
+static int iop_wait_ready_mv(struct hptiop_hba *hba, u32 millisec)
+{
+ return iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_NOP, millisec);
+}
+
+static void hptiop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
{
- if ((tag & IOPMU_QUEUE_MASK_HOST_BITS) == IOPMU_QUEUE_ADDR_HOST_BIT)
- return hptiop_host_request_callback(hba,
+ if (tag & IOPMU_QUEUE_ADDR_HOST_BIT)
+ hptiop_host_request_callback_itl(hba,
tag & ~IOPMU_QUEUE_ADDR_HOST_BIT);
else
- return hptiop_iop_request_callback(hba, tag);
+ hptiop_iop_request_callback_itl(hba, tag);
}
-static inline void hptiop_drain_outbound_queue(struct hptiop_hba *hba)
+static void hptiop_drain_outbound_queue_itl(struct hptiop_hba *hba)
{
u32 req;
- while ((req = readl(&hba->iop->outbound_queue)) != IOPMU_QUEUE_EMPTY) {
+ while ((req = readl(&hba->u.itl.iop->outbound_queue)) !=
+ IOPMU_QUEUE_EMPTY) {
if (req & IOPMU_QUEUE_MASK_HOST_BITS)
- hptiop_request_callback(hba, req);
+ hptiop_request_callback_itl(hba, req);
else {
struct hpt_iop_request_header __iomem * p;
p = (struct hpt_iop_request_header __iomem *)
- ((char __iomem *)hba->iop + req);
+ ((char __iomem *)hba->u.itl.iop + req);
if (readl(&p->flags) & IOP_REQUEST_FLAG_SYNC_REQUEST) {
if (readl(&p->context))
- hptiop_request_callback(hba, req);
+ hptiop_request_callback_itl(hba, req);
else
writel(1, &p->context);
}
else
- hptiop_request_callback(hba, req);
+ hptiop_request_callback_itl(hba, req);
}
}
}
-static int __iop_intr(struct hptiop_hba *hba)
+static int iop_intr_itl(struct hptiop_hba *hba)
{
- struct hpt_iopmu __iomem *iop = hba->iop;
+ struct hpt_iopmu_itl __iomem *iop = hba->u.itl.iop;
+ void __iomem *plx = hba->u.itl.plx;
u32 status;
int ret = 0;
+ if (plx && readl(plx + 0x11C5C) & 0xf)
+ writel(1, plx + 0x11C60);
+
status = readl(&iop->outbound_intstatus);
if (status & IOPMU_OUTBOUND_INT_MSG0) {
u32 msg = readl(&iop->outbound_msgaddr0);
+
dprintk("received outbound msg %x\n", msg);
writel(IOPMU_OUTBOUND_INT_MSG0, &iop->outbound_intstatus);
hptiop_message_callback(hba, msg);
}
if (status & IOPMU_OUTBOUND_INT_POSTQUEUE) {
- hptiop_drain_outbound_queue(hba);
+ hptiop_drain_outbound_queue_itl(hba);
+ ret = 1;
+ }
+
+ return ret;
+}
+
+static u64 mv_outbound_read(struct hpt_iopmu_mv __iomem *mu)
+{
+ u32 outbound_tail = readl(&mu->outbound_tail);
+ u32 outbound_head = readl(&mu->outbound_head);
+
+ if (outbound_tail != outbound_head) {
+ u64 p;
+
+ memcpy_fromio(&p, &mu->outbound_q[mu->outbound_tail], 8);
+ outbound_tail++;
+
+ if (outbound_tail == MVIOP_QUEUE_LEN)
+ outbound_tail = 0;
+ writel(outbound_tail, &mu->outbound_tail);
+ return p;
+ } else
+ return 0;
+}
+
+static void mv_inbound_write(u64 p, struct hptiop_hba *hba)
+{
+ u32 inbound_head = readl(&hba->u.mv.mu->inbound_head);
+ u32 head = inbound_head + 1;
+
+ if (head == MVIOP_QUEUE_LEN)
+ head = 0;
+
+ memcpy_toio(&hba->u.mv.mu->inbound_q[inbound_head], &p, 8);
+ writel(head, &hba->u.mv.mu->inbound_head);
+ writel(MVIOP_MU_INBOUND_INT_POSTQUEUE,
+ &hba->u.mv.regs->inbound_doorbell);
+}
+
+static void hptiop_request_callback_mv(struct hptiop_hba *hba, u64 tag)
+{
+ u32 req_type = (tag >> 5) & 0x7;
+ struct hpt_iop_request_scsi_command *req;
+
+ dprintk("hptiop_request_callback_mv: tag=%llx\n", tag);
+
+ BUG_ON((tag & MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT) == 0);
+
+ switch (req_type) {
+ case IOP_REQUEST_TYPE_GET_CONFIG:
+ case IOP_REQUEST_TYPE_SET_CONFIG:
+ hba->msg_done = 1;
+ break;
+
+ case IOP_REQUEST_TYPE_SCSI_COMMAND:
+ req = hba->reqs[tag >> 8].req_virt;
+ if (likely(tag & MVIOP_MU_QUEUE_REQUEST_RESULT_BIT))
+ req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
+
+ hptiop_finish_scsi_req(hba, tag>>8, req);
+ break;
+
+ default:
+ break;
+ }
+}
+
+static int iop_intr_mv(struct hptiop_hba *hba)
+{
+ u32 status;
+ int ret = 0;
+
+ status = readl(&hba->u.mv.regs->outbound_doorbell);
+ writel(~status, &hba->u.mv.regs->outbound_doorbell);
+
+ if (status & MVIOP_MU_OUTBOUND_INT_MSG) {
+ u32 msg;
+ msg = readl(&hba->u.mv.mu->outbound_msg);
+ dprintk("received outbound msg %x\n", msg);
+ hptiop_message_callback(hba, msg);
+ ret = 1;
+ }
+
+ if (status & MVIOP_MU_OUTBOUND_INT_POSTQUEUE) {
+ u64 tag;
+
+ while ((tag = mv_outbound_read(hba->u.mv.mu)))
+ hptiop_request_callback_mv(hba, tag);
ret = 1;
}
return ret;
}
-static int iop_send_sync_request(struct hptiop_hba *hba,
+static int iop_send_sync_request_itl(struct hptiop_hba *hba,
void __iomem *_req, u32 millisec)
{
struct hpt_iop_request_header __iomem *req = _req;
u32 i;
- writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST,
- &req->flags);
-
+ writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, &req->flags);
writel(0, &req->context);
-
- writel((unsigned long)req - (unsigned long)hba->iop,
- &hba->iop->inbound_queue);
-
- hptiop_pci_posting_flush(hba->iop);
+ writel((unsigned long)req - (unsigned long)hba->u.itl.iop,
+ &hba->u.itl.iop->inbound_queue);
+ readl(&hba->u.itl.iop->outbound_intstatus);
for (i = 0; i < millisec; i++) {
- __iop_intr(hba);
+ iop_intr_itl(hba);
if (readl(&req->context))
return 0;
msleep(1);
return -1;
}
-static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec)
+static int iop_send_sync_request_mv(struct hptiop_hba *hba,
+ u32 size_bits, u32 millisec)
{
+ struct hpt_iop_request_header *reqhdr = hba->u.mv.internal_req;
u32 i;
hba->msg_done = 0;
+ reqhdr->flags |= cpu_to_le32(IOP_REQUEST_FLAG_SYNC_REQUEST);
+ mv_inbound_write(hba->u.mv.internal_req_phy |
+ MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bits, hba);
- writel(msg, &hba->iop->inbound_msgaddr0);
+ for (i = 0; i < millisec; i++) {
+ iop_intr_mv(hba);
+ if (hba->msg_done)
+ return 0;
+ msleep(1);
+ }
+ return -1;
+}
+
+static void hptiop_post_msg_itl(struct hptiop_hba *hba, u32 msg)
+{
+ writel(msg, &hba->u.itl.iop->inbound_msgaddr0);
+ readl(&hba->u.itl.iop->outbound_intstatus);
+}
- hptiop_pci_posting_flush(hba->iop);
+static void hptiop_post_msg_mv(struct hptiop_hba *hba, u32 msg)
+{
+ writel(msg, &hba->u.mv.mu->inbound_msg);
+ writel(MVIOP_MU_INBOUND_INT_MSG, &hba->u.mv.regs->inbound_doorbell);
+ readl(&hba->u.mv.regs->inbound_doorbell);
+}
+
+static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec)
+{
+ u32 i;
+
+ hba->msg_done = 0;
+ hba->ops->post_msg(hba, msg);
for (i = 0; i < millisec; i++) {
spin_lock_irq(hba->host->host_lock);
- __iop_intr(hba);
+ hba->ops->iop_intr(hba);
spin_unlock_irq(hba->host->host_lock);
if (hba->msg_done)
break;
return hba->msg_done? 0 : -1;
}
-static int iop_get_config(struct hptiop_hba *hba,
+static int iop_get_config_itl(struct hptiop_hba *hba,
struct hpt_iop_request_get_config *config)
{
u32 req32;
struct hpt_iop_request_get_config __iomem *req;
- req32 = readl(&hba->iop->inbound_queue);
+ req32 = readl(&hba->u.itl.iop->inbound_queue);
if (req32 == IOPMU_QUEUE_EMPTY)
return -1;
req = (struct hpt_iop_request_get_config __iomem *)
- ((unsigned long)hba->iop + req32);
+ ((unsigned long)hba->u.itl.iop + req32);
writel(0, &req->header.flags);
writel(IOP_REQUEST_TYPE_GET_CONFIG, &req->header.type);
writel(sizeof(struct hpt_iop_request_get_config), &req->header.size);
writel(IOP_RESULT_PENDING, &req->header.result);
- if (iop_send_sync_request(hba, req, 20000)) {
+ if (iop_send_sync_request_itl(hba, req, 20000)) {
dprintk("Get config send cmd failed\n");
return -1;
}
memcpy_fromio(config, req, sizeof(*config));
- writel(req32, &hba->iop->outbound_queue);
+ writel(req32, &hba->u.itl.iop->outbound_queue);
return 0;
}
-static int iop_set_config(struct hptiop_hba *hba,
+static int iop_get_config_mv(struct hptiop_hba *hba,
+ struct hpt_iop_request_get_config *config)
+{
+ struct hpt_iop_request_get_config *req = hba->u.mv.internal_req;
+
+ req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
+ req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG);
+ req->header.size =
+ cpu_to_le32(sizeof(struct hpt_iop_request_get_config));
+ req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
+ req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG<<5);
+ req->header.context_hi32 = 0;
+
+ if (iop_send_sync_request_mv(hba, 0, 20000)) {
+ dprintk("Get config send cmd failed\n");
+ return -1;
+ }
+
+ memcpy(config, req, sizeof(struct hpt_iop_request_get_config));
+ return 0;
+}
+
+static int iop_set_config_itl(struct hptiop_hba *hba,
struct hpt_iop_request_set_config *config)
{
u32 req32;
struct hpt_iop_request_set_config __iomem *req;
- req32 = readl(&hba->iop->inbound_queue);
+ req32 = readl(&hba->u.itl.iop->inbound_queue);
if (req32 == IOPMU_QUEUE_EMPTY)
return -1;
req = (struct hpt_iop_request_set_config __iomem *)
- ((unsigned long)hba->iop + req32);
+ ((unsigned long)hba->u.itl.iop + req32);
memcpy_toio((u8 __iomem *)req + sizeof(struct hpt_iop_request_header),
(u8 *)config + sizeof(struct hpt_iop_request_header),
writel(sizeof(struct hpt_iop_request_set_config), &req->header.size);
writel(IOP_RESULT_PENDING, &req->header.result);
- if (iop_send_sync_request(hba, req, 20000)) {
+ if (iop_send_sync_request_itl(hba, req, 20000)) {
dprintk("Set config send cmd failed\n");
return -1;
}
- writel(req32, &hba->iop->outbound_queue);
+ writel(req32, &hba->u.itl.iop->outbound_queue);
return 0;
}
-static int hptiop_initialize_iop(struct hptiop_hba *hba)
+static int iop_set_config_mv(struct hptiop_hba *hba,
+ struct hpt_iop_request_set_config *config)
{
- struct hpt_iopmu __iomem *iop = hba->iop;
+ struct hpt_iop_request_set_config *req = hba->u.mv.internal_req;
- /* enable interrupts */
+ memcpy(req, config, sizeof(struct hpt_iop_request_set_config));
+ req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
+ req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG);
+ req->header.size =
+ cpu_to_le32(sizeof(struct hpt_iop_request_set_config));
+ req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
+ req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG<<5);
+ req->header.context_hi32 = 0;
+
+ if (iop_send_sync_request_mv(hba, 0, 20000)) {
+ dprintk("Set config send cmd failed\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static void hptiop_enable_intr_itl(struct hptiop_hba *hba)
+{
writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0),
- &iop->outbound_intmask);
+ &hba->u.itl.iop->outbound_intmask);
+}
+
+static void hptiop_enable_intr_mv(struct hptiop_hba *hba)
+{
+ writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE | MVIOP_MU_OUTBOUND_INT_MSG,
+ &hba->u.mv.regs->outbound_intmask);
+}
+
+static int hptiop_initialize_iop(struct hptiop_hba *hba)
+{
+ /* enable interrupts */
+ hba->ops->enable_intr(hba);
hba->initialized = 1;
return 0;
}
-static int hptiop_map_pci_bar(struct hptiop_hba *hba)
+static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index)
{
u32 mem_base_phy, length;
void __iomem *mem_base_virt;
+
struct pci_dev *pcidev = hba->pcidev;
- if (!(pci_resource_flags(pcidev, 0) & IORESOURCE_MEM)) {
+
+ if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) {
printk(KERN_ERR "scsi%d: pci resource invalid\n",
hba->host->host_no);
- return -1;
+ return NULL;
}
- mem_base_phy = pci_resource_start(pcidev, 0);
- length = pci_resource_len(pcidev, 0);
+ mem_base_phy = pci_resource_start(pcidev, index);
+ length = pci_resource_len(pcidev, index);
mem_base_virt = ioremap(mem_base_phy, length);
if (!mem_base_virt) {
printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n",
hba->host->host_no);
+ return NULL;
+ }
+ return mem_base_virt;
+}
+
+static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba)
+{
+ struct pci_dev *pcidev = hba->pcidev;
+ hba->u.itl.iop = hptiop_map_pci_bar(hba, 0);
+ if (hba->u.itl.iop == NULL)
+ return -1;
+ if ((pcidev->device & 0xff00) == 0x4400) {
+ hba->u.itl.plx = hba->u.itl.iop;
+ hba->u.itl.iop = hptiop_map_pci_bar(hba, 2);
+ if (hba->u.itl.iop == NULL) {
+ iounmap(hba->u.itl.plx);
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba)
+{
+ if (hba->u.itl.plx)
+ iounmap(hba->u.itl.plx);
+ iounmap(hba->u.itl.iop);
+}
+
+static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba)
+{
+ hba->u.mv.regs = hptiop_map_pci_bar(hba, 0);
+ if (hba->u.mv.regs == NULL)
+ return -1;
+
+ hba->u.mv.mu = hptiop_map_pci_bar(hba, 2);
+ if (hba->u.mv.mu == NULL) {
+ iounmap(hba->u.mv.regs);
return -1;
}
- hba->iop = mem_base_virt;
- dprintk("hptiop_map_pci_bar: iop=%p\n", hba->iop);
return 0;
}
+static void hptiop_unmap_pci_bar_mv(struct hptiop_hba *hba)
+{
+ iounmap(hba->u.mv.regs);
+ iounmap(hba->u.mv.mu);
+}
+
static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg)
{
dprintk("iop message 0x%x\n", msg);
+ if (msg == IOPMU_INBOUND_MSG0_NOP)
+ hba->msg_done = 1;
+
if (!hba->initialized)
return;
hba->msg_done = 1;
}
-static inline struct hptiop_request *get_req(struct hptiop_hba *hba)
+static struct hptiop_request *get_req(struct hptiop_hba *hba)
{
struct hptiop_request *ret;
return ret;
}
-static inline void free_req(struct hptiop_hba *hba, struct hptiop_request *req)
+static void free_req(struct hptiop_hba *hba, struct hptiop_request *req)
{
dprintk("free_req(%d, %p)\n", req->index, req);
req->next = hba->req_list;
hba->req_list = req;
}
-static void hptiop_host_request_callback(struct hptiop_hba *hba, u32 tag)
+static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
+ struct hpt_iop_request_scsi_command *req)
{
- struct hpt_iop_request_scsi_command *req;
struct scsi_cmnd *scp;
- req = (struct hpt_iop_request_scsi_command *)hba->reqs[tag].req_virt;
- dprintk("hptiop_host_request_callback: req=%p, type=%d, "
+ dprintk("hptiop_finish_scsi_req: req=%p, type=%d, "
"result=%d, context=0x%x tag=%d\n",
req, req->header.type, req->header.result,
req->header.context, tag);
scp = hba->reqs[tag].scp;
- if (HPT_SCP(scp)->mapped) {
- if (scp->use_sg)
- pci_unmap_sg(hba->pcidev,
- (struct scatterlist *)scp->request_buffer,
- scp->use_sg,
- scp->sc_data_direction
- );
- else
- pci_unmap_single(hba->pcidev,
- HPT_SCP(scp)->dma_handle,
- scp->request_bufflen,
- scp->sc_data_direction
- );
- }
+ if (HPT_SCP(scp)->mapped)
+ scsi_dma_unmap(scp);
switch (le32_to_cpu(req->header.result)) {
case IOP_RESULT_SUCCESS:
+ scsi_set_resid(scp,
+ scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
scp->result = (DID_OK<<16);
break;
case IOP_RESULT_BAD_TARGET:
case IOP_RESULT_INVALID_REQUEST:
scp->result = (DID_ABORT<<16);
break;
- case IOP_RESULT_MODE_SENSE_CHECK_CONDITION:
+ case IOP_RESULT_CHECK_CONDITION:
+ scsi_set_resid(scp,
+ scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
scp->result = SAM_STAT_CHECK_CONDITION;
- memset(&scp->sense_buffer,
- 0, sizeof(scp->sense_buffer));
- memcpy(&scp->sense_buffer,
- &req->sg_list, le32_to_cpu(req->dataxfer_length));
+ memcpy(scp->sense_buffer, &req->sg_list,
+ min_t(size_t, SCSI_SENSE_BUFFERSIZE,
+ le32_to_cpu(req->dataxfer_length)));
break;
default:
- scp->result = ((DRIVER_INVALID|SUGGEST_ABORT)<<24) |
- (DID_ABORT<<16);
+ scp->result = DRIVER_INVALID << 24 | DID_ABORT << 16;
break;
}
free_req(hba, &hba->reqs[tag]);
}
-void hptiop_iop_request_callback(struct hptiop_hba *hba, u32 tag)
+static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 _tag)
+{
+ struct hpt_iop_request_scsi_command *req;
+ u32 tag;
+
+ if (hba->iopintf_v2) {
+ tag = _tag & ~IOPMU_QUEUE_REQUEST_RESULT_BIT;
+ req = hba->reqs[tag].req_virt;
+ if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT))
+ req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
+ } else {
+ tag = _tag;
+ req = hba->reqs[tag].req_virt;
+ }
+
+ hptiop_finish_scsi_req(hba, tag, req);
+}
+
+void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
{
struct hpt_iop_request_header __iomem *req;
struct hpt_iop_request_ioctl_command __iomem *p;
struct hpt_ioctl_k *arg;
req = (struct hpt_iop_request_header __iomem *)
- ((unsigned long)hba->iop + tag);
- dprintk("hptiop_iop_request_callback: req=%p, type=%d, "
+ ((unsigned long)hba->u.itl.iop + tag);
+ dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, "
"result=%d, context=0x%x tag=%d\n",
req, readl(&req->type), readl(&req->result),
readl(&req->context), tag);
arg->result = HPT_IOCTL_RESULT_FAILED;
arg->done(arg);
- writel(tag, &hba->iop->outbound_queue);
+ writel(tag, &hba->u.itl.iop->outbound_queue);
}
-static irqreturn_t hptiop_intr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t hptiop_intr(int irq, void *dev_id)
{
struct hptiop_hba *hba = dev_id;
int handled;
unsigned long flags;
spin_lock_irqsave(hba->host->host_lock, flags);
- handled = __iop_intr(hba);
+ handled = hba->ops->iop_intr(hba);
spin_unlock_irqrestore(hba->host->host_lock, flags);
return handled;
{
struct Scsi_Host *host = scp->device->host;
struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
- struct scatterlist *sglist = (struct scatterlist *)scp->request_buffer;
-
- /*
- * though we'll not get non-use_sg fields anymore,
- * keep use_sg checking anyway
- */
- if (scp->use_sg) {
- int idx;
-
- HPT_SCP(scp)->sgcnt = pci_map_sg(hba->pcidev,
- sglist, scp->use_sg,
- scp->sc_data_direction);
- HPT_SCP(scp)->mapped = 1;
- BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
-
- for (idx = 0; idx < HPT_SCP(scp)->sgcnt; idx++) {
- psg[idx].pci_address =
- cpu_to_le64(sg_dma_address(&sglist[idx]));
- psg[idx].size = cpu_to_le32(sg_dma_len(&sglist[idx]));
- psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
- cpu_to_le32(1) : 0;
- }
+ struct scatterlist *sg;
+ int idx, nseg;
- return HPT_SCP(scp)->sgcnt;
- } else {
- HPT_SCP(scp)->dma_handle = pci_map_single(
- hba->pcidev,
- scp->request_buffer,
- scp->request_bufflen,
- scp->sc_data_direction
- );
- HPT_SCP(scp)->mapped = 1;
- psg->pci_address = cpu_to_le64(HPT_SCP(scp)->dma_handle);
- psg->size = cpu_to_le32(scp->request_bufflen);
- psg->eot = cpu_to_le32(1);
- return 1;
+ nseg = scsi_dma_map(scp);
+ BUG_ON(nseg < 0);
+ if (!nseg)
+ return 0;
+
+ HPT_SCP(scp)->sgcnt = nseg;
+ HPT_SCP(scp)->mapped = 1;
+
+ BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
+
+ scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) {
+ psg[idx].pci_address = cpu_to_le64(sg_dma_address(sg));
+ psg[idx].size = cpu_to_le32(sg_dma_len(sg));
+ psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
+ cpu_to_le32(1) : 0;
}
+ return HPT_SCP(scp)->sgcnt;
+}
+
+static void hptiop_post_req_itl(struct hptiop_hba *hba,
+ struct hptiop_request *_req)
+{
+ struct hpt_iop_request_header *reqhdr = _req->req_virt;
+
+ reqhdr->context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT |
+ (u32)_req->index);
+ reqhdr->context_hi32 = 0;
+
+ if (hba->iopintf_v2) {
+ u32 size, size_bits;
+
+ size = le32_to_cpu(reqhdr->size);
+ if (size < 256)
+ size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT;
+ else if (size < 512)
+ size_bits = IOPMU_QUEUE_ADDR_HOST_BIT;
+ else
+ size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT |
+ IOPMU_QUEUE_ADDR_HOST_BIT;
+ writel(_req->req_shifted_phy | size_bits,
+ &hba->u.itl.iop->inbound_queue);
+ } else
+ writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT,
+ &hba->u.itl.iop->inbound_queue);
+}
+
+static void hptiop_post_req_mv(struct hptiop_hba *hba,
+ struct hptiop_request *_req)
+{
+ struct hpt_iop_request_header *reqhdr = _req->req_virt;
+ u32 size, size_bit;
+
+ reqhdr->context = cpu_to_le32(_req->index<<8 |
+ IOP_REQUEST_TYPE_SCSI_COMMAND<<5);
+ reqhdr->context_hi32 = 0;
+ size = le32_to_cpu(reqhdr->size);
+
+ if (size <= 256)
+ size_bit = 0;
+ else if (size <= 256*2)
+ size_bit = 1;
+ else if (size <= 256*3)
+ size_bit = 2;
+ else
+ size_bit = 3;
+
+ mv_inbound_write((_req->req_shifted_phy << 5) |
+ MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bit, hba);
}
static int hptiop_queuecommand(struct scsi_cmnd *scp,
scp,
host->host_no, scp->device->channel,
scp->device->id, scp->device->lun,
- *((u32 *)&scp->cmnd),
- *((u32 *)&scp->cmnd + 1),
- *((u32 *)&scp->cmnd + 2),
+ ((u32 *)scp->cmnd)[0],
+ ((u32 *)scp->cmnd)[1],
+ ((u32 *)scp->cmnd)[2],
_req->index, _req->req_virt);
scp->result = 0;
goto cmd_done;
}
- req = (struct hpt_iop_request_scsi_command *)_req->req_virt;
+ req = _req->req_virt;
/* build S/G table */
- if (scp->request_bufflen)
- sg_count = hptiop_buildsgl(scp, req->sg_list);
- else
+ sg_count = hptiop_buildsgl(scp, req->sg_list);
+ if (!sg_count)
HPT_SCP(scp)->mapped = 0;
req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND);
req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
- req->header.context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT |
- (u32)_req->index);
- req->header.context_hi32 = 0;
- req->dataxfer_length = cpu_to_le32(scp->request_bufflen);
+ req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp));
req->channel = scp->device->channel;
req->target = scp->device->id;
req->lun = scp->device->lun;
+ sg_count * sizeof(struct hpt_iopsg));
memcpy(req->cdb, scp->cmnd, sizeof(req->cdb));
-
- writel(IOPMU_QUEUE_ADDR_HOST_BIT | _req->req_shifted_phy,
- &hba->iop->inbound_queue);
-
+ hba->ops->post_req(hba, _req);
return 0;
cmd_done:
{
if (atomic_xchg(&hba->resetting, 1) == 0) {
atomic_inc(&hba->reset_count);
- writel(IOPMU_INBOUND_MSG0_RESET,
- &hba->iop->inbound_msgaddr0);
- hptiop_pci_posting_flush(hba->iop);
+ hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET);
}
wait_event_timeout(hba->reset_wq,
}
static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev,
- int queue_depth)
+ int queue_depth, int reason)
{
- if(queue_depth > 256)
- queue_depth = 256;
- scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth);
- return queue_depth;
-}
-
-struct hptiop_getinfo {
- char __user *buffer;
- loff_t buflength;
- loff_t bufoffset;
- loff_t buffillen;
- loff_t filpos;
-};
+ struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata;
-static void hptiop_copy_mem_info(struct hptiop_getinfo *pinfo,
- char *data, int datalen)
-{
- if (pinfo->filpos < pinfo->bufoffset) {
- if (pinfo->filpos + datalen <= pinfo->bufoffset) {
- pinfo->filpos += datalen;
- return;
- } else {
- data += (pinfo->bufoffset - pinfo->filpos);
- datalen -= (pinfo->bufoffset - pinfo->filpos);
- pinfo->filpos = pinfo->bufoffset;
- }
- }
-
- pinfo->filpos += datalen;
- if (pinfo->buffillen == pinfo->buflength)
- return;
-
- if (pinfo->buflength - pinfo->buffillen < datalen)
- datalen = pinfo->buflength - pinfo->buffillen;
-
- if (copy_to_user(pinfo->buffer + pinfo->buffillen, data, datalen))
- return;
+ if (reason != SCSI_QDEPTH_DEFAULT)
+ return -EOPNOTSUPP;
- pinfo->buffillen += datalen;
-}
-
-static int hptiop_copy_info(struct hptiop_getinfo *pinfo, char *fmt, ...)
-{
- va_list args;
- char buf[128];
- int len;
-
- va_start(args, fmt);
- len = vsnprintf(buf, sizeof(buf), fmt, args);
- va_end(args);
- hptiop_copy_mem_info(pinfo, buf, len);
- return len;
-}
-
-static void hptiop_ioctl_done(struct hpt_ioctl_k *arg)
-{
- arg->done = NULL;
- wake_up(&arg->hba->ioctl_wq);
-}
-
-static void hptiop_do_ioctl(struct hpt_ioctl_k *arg)
-{
- struct hptiop_hba *hba = arg->hba;
- u32 val;
- struct hpt_iop_request_ioctl_command __iomem *req;
- int ioctl_retry = 0;
-
- dprintk("scsi%d: hptiop_do_ioctl\n", hba->host->host_no);
-
- /*
- * check (in + out) buff size from application.
- * outbuf must be dword aligned.
- */
- if (((arg->inbuf_size + 3) & ~3) + arg->outbuf_size >
- hba->max_request_size
- - sizeof(struct hpt_iop_request_header)
- - 4 * sizeof(u32)) {
- dprintk("scsi%d: ioctl buf size (%d/%d) is too large\n",
- hba->host->host_no,
- arg->inbuf_size, arg->outbuf_size);
- arg->result = HPT_IOCTL_RESULT_FAILED;
- return;
- }
-
-retry:
- spin_lock_irq(hba->host->host_lock);
-
- val = readl(&hba->iop->inbound_queue);
- if (val == IOPMU_QUEUE_EMPTY) {
- spin_unlock_irq(hba->host->host_lock);
- dprintk("scsi%d: no free req for ioctl\n", hba->host->host_no);
- arg->result = -1;
- return;
- }
-
- req = (struct hpt_iop_request_ioctl_command __iomem *)
- ((unsigned long)hba->iop + val);
-
- writel(HPT_CTL_CODE_LINUX_TO_IOP(arg->ioctl_code),
- &req->ioctl_code);
- writel(arg->inbuf_size, &req->inbuf_size);
- writel(arg->outbuf_size, &req->outbuf_size);
-
- /*
- * use the buffer on the IOP local memory first, then copy it
- * back to host.
- * the caller's request buffer shoudl be little-endian.
- */
- if (arg->inbuf_size)
- memcpy_toio(req->buf, arg->inbuf, arg->inbuf_size);
-
- /* correct the controller ID for IOP */
- if ((arg->ioctl_code == HPT_IOCTL_GET_CHANNEL_INFO ||
- arg->ioctl_code == HPT_IOCTL_GET_CONTROLLER_INFO_V2 ||
- arg->ioctl_code == HPT_IOCTL_GET_CONTROLLER_INFO)
- && arg->inbuf_size >= sizeof(u32))
- writel(0, req->buf);
-
- writel(IOP_REQUEST_TYPE_IOCTL_COMMAND, &req->header.type);
- writel(0, &req->header.flags);
- writel(offsetof(struct hpt_iop_request_ioctl_command, buf)
- + arg->inbuf_size, &req->header.size);
- writel((u32)(unsigned long)arg, &req->header.context);
- writel(BITS_PER_LONG > 32 ? (u32)((unsigned long)arg>>32) : 0,
- &req->header.context_hi32);
- writel(IOP_RESULT_PENDING, &req->header.result);
-
- arg->result = HPT_IOCTL_RESULT_FAILED;
- arg->done = hptiop_ioctl_done;
-
- writel(val, &hba->iop->inbound_queue);
- hptiop_pci_posting_flush(hba->iop);
-
- spin_unlock_irq(hba->host->host_lock);
-
- wait_event_timeout(hba->ioctl_wq, arg->done == NULL, 60 * HZ);
-
- if (arg->done != NULL) {
- hptiop_reset_hba(hba);
- if (ioctl_retry++ < 3)
- goto retry;
- }
-
- dprintk("hpt_iop_ioctl %x result %d\n",
- arg->ioctl_code, arg->result);
-}
-
-static int __hpt_do_ioctl(struct hptiop_hba *hba, u32 code, void *inbuf,
- u32 insize, void *outbuf, u32 outsize)
-{
- struct hpt_ioctl_k arg;
- arg.hba = hba;
- arg.ioctl_code = code;
- arg.inbuf = inbuf;
- arg.outbuf = outbuf;
- arg.inbuf_size = insize;
- arg.outbuf_size = outsize;
- arg.bytes_returned = NULL;
- hptiop_do_ioctl(&arg);
- return arg.result;
-}
-
-static inline int hpt_id_valid(__le32 id)
-{
- return id != 0 && id != cpu_to_le32(0xffffffff);
-}
-
-static int hptiop_get_controller_info(struct hptiop_hba *hba,
- struct hpt_controller_info *pinfo)
-{
- int id = 0;
-
- return __hpt_do_ioctl(hba, HPT_IOCTL_GET_CONTROLLER_INFO,
- &id, sizeof(int), pinfo, sizeof(*pinfo));
-}
-
-
-static int hptiop_get_channel_info(struct hptiop_hba *hba, int bus,
- struct hpt_channel_info *pinfo)
-{
- u32 ids[2];
-
- ids[0] = 0;
- ids[1] = bus;
- return __hpt_do_ioctl(hba, HPT_IOCTL_GET_CHANNEL_INFO,
- ids, sizeof(ids), pinfo, sizeof(*pinfo));
-
-}
-
-static int hptiop_get_logical_devices(struct hptiop_hba *hba,
- __le32 *pids, int maxcount)
-{
- int i;
- u32 count = maxcount - 1;
-
- if (__hpt_do_ioctl(hba, HPT_IOCTL_GET_LOGICAL_DEVICES,
- &count, sizeof(u32),
- pids, sizeof(u32) * maxcount))
- return -1;
-
- maxcount = le32_to_cpu(pids[0]);
- for (i = 0; i < maxcount; i++)
- pids[i] = pids[i+1];
-
- return maxcount;
-}
-
-static int hptiop_get_device_info_v3(struct hptiop_hba *hba, __le32 id,
- struct hpt_logical_device_info_v3 *pinfo)
-{
- return __hpt_do_ioctl(hba, HPT_IOCTL_GET_DEVICE_INFO_V3,
- &id, sizeof(u32),
- pinfo, sizeof(*pinfo));
-}
-
-static const char *get_array_status(struct hpt_logical_device_info_v3 *devinfo)
-{
- static char s[64];
- u32 flags = le32_to_cpu(devinfo->u.array.flags);
- u32 trans_prog = le32_to_cpu(devinfo->u.array.transforming_progress);
- u32 reb_prog = le32_to_cpu(devinfo->u.array.rebuilding_progress);
-
- if (flags & ARRAY_FLAG_DISABLED)
- return "Disabled";
- else if (flags & ARRAY_FLAG_TRANSFORMING)
- sprintf(s, "Expanding/Migrating %d.%d%%%s%s",
- trans_prog / 100,
- trans_prog % 100,
- (flags & (ARRAY_FLAG_NEEDBUILDING|ARRAY_FLAG_BROKEN))?
- ", Critical" : "",
- ((flags & ARRAY_FLAG_NEEDINITIALIZING) &&
- !(flags & ARRAY_FLAG_REBUILDING) &&
- !(flags & ARRAY_FLAG_INITIALIZING))?
- ", Unintialized" : "");
- else if ((flags & ARRAY_FLAG_BROKEN) &&
- devinfo->u.array.array_type != AT_RAID6)
- return "Critical";
- else if (flags & ARRAY_FLAG_REBUILDING)
- sprintf(s,
- (flags & ARRAY_FLAG_NEEDINITIALIZING)?
- "%sBackground initializing %d.%d%%" :
- "%sRebuilding %d.%d%%",
- (flags & ARRAY_FLAG_BROKEN)? "Critical, " : "",
- reb_prog / 100,
- reb_prog % 100);
- else if (flags & ARRAY_FLAG_VERIFYING)
- sprintf(s, "%sVerifying %d.%d%%",
- (flags & ARRAY_FLAG_BROKEN)? "Critical, " : "",
- reb_prog / 100,
- reb_prog % 100);
- else if (flags & ARRAY_FLAG_INITIALIZING)
- sprintf(s, "%sForground initializing %d.%d%%",
- (flags & ARRAY_FLAG_BROKEN)? "Critical, " : "",
- reb_prog / 100,
- reb_prog % 100);
- else if (flags & ARRAY_FLAG_NEEDTRANSFORM)
- sprintf(s,"%s%s%s", "Need Expanding/Migrating",
- (flags & ARRAY_FLAG_BROKEN)? "Critical, " : "",
- ((flags & ARRAY_FLAG_NEEDINITIALIZING) &&
- !(flags & ARRAY_FLAG_REBUILDING) &&
- !(flags & ARRAY_FLAG_INITIALIZING))?
- ", Unintialized" : "");
- else if (flags & ARRAY_FLAG_NEEDINITIALIZING &&
- !(flags & ARRAY_FLAG_REBUILDING) &&
- !(flags & ARRAY_FLAG_INITIALIZING))
- sprintf(s,"%sUninitialized",
- (flags & ARRAY_FLAG_BROKEN)? "Critical, " : "");
- else if ((flags & ARRAY_FLAG_NEEDBUILDING) ||
- (flags & ARRAY_FLAG_BROKEN))
- return "Critical";
- else
- return "Normal";
- return s;
-}
-
-static void hptiop_dump_devinfo(struct hptiop_hba *hba,
- struct hptiop_getinfo *pinfo, __le32 id, int indent)
-{
- struct hpt_logical_device_info_v3 devinfo;
- int i;
- u64 capacity;
-
- for (i = 0; i < indent; i++)
- hptiop_copy_info(pinfo, "\t");
-
- if (hptiop_get_device_info_v3(hba, id, &devinfo)) {
- hptiop_copy_info(pinfo, "unknown\n");
- return;
- }
-
- switch (devinfo.type) {
-
- case LDT_DEVICE: {
- struct hd_driveid *driveid;
- u32 flags = le32_to_cpu(devinfo.u.device.flags);
-
- driveid = (struct hd_driveid *)devinfo.u.device.ident;
- /* model[] is 40 chars long, but we just want 20 chars here */
- driveid->model[20] = 0;
-
- if (indent)
- if (flags & DEVICE_FLAG_DISABLED)
- hptiop_copy_info(pinfo,"Missing\n");
- else
- hptiop_copy_info(pinfo, "CH%d %s\n",
- devinfo.u.device.path_id + 1,
- driveid->model);
- else {
- capacity = le64_to_cpu(devinfo.capacity) * 512;
- do_div(capacity, 1000000);
- hptiop_copy_info(pinfo,
- "CH%d %s, %lluMB, %s %s%s%s%s\n",
- devinfo.u.device.path_id + 1,
- driveid->model,
- capacity,
- (flags & DEVICE_FLAG_DISABLED)?
- "Disabled" : "Normal",
- devinfo.u.device.read_ahead_enabled?
- "[RA]" : "",
- devinfo.u.device.write_cache_enabled?
- "[WC]" : "",
- devinfo.u.device.TCQ_enabled?
- "[TCQ]" : "",
- devinfo.u.device.NCQ_enabled?
- "[NCQ]" : ""
- );
- }
- break;
- }
-
- case LDT_ARRAY:
- if (devinfo.target_id != INVALID_TARGET_ID)
- hptiop_copy_info(pinfo, "[DISK %d_%d] ",
- devinfo.vbus_id, devinfo.target_id);
-
- capacity = le64_to_cpu(devinfo.capacity) * 512;
- do_div(capacity, 1000000);
- hptiop_copy_info(pinfo, "%s (%s), %lluMB, %s\n",
- devinfo.u.array.name,
- devinfo.u.array.array_type==AT_RAID0? "RAID0" :
- devinfo.u.array.array_type==AT_RAID1? "RAID1" :
- devinfo.u.array.array_type==AT_RAID5? "RAID5" :
- devinfo.u.array.array_type==AT_RAID6? "RAID6" :
- devinfo.u.array.array_type==AT_JBOD? "JBOD" :
- "unknown",
- capacity,
- get_array_status(&devinfo));
- for (i = 0; i < devinfo.u.array.ndisk; i++) {
- if (hpt_id_valid(devinfo.u.array.members[i])) {
- if (cpu_to_le16(1<<i) &
- devinfo.u.array.critical_members)
- hptiop_copy_info(pinfo, "\t*");
- hptiop_dump_devinfo(hba, pinfo,
- devinfo.u.array.members[i], indent+1);
- }
- else
- hptiop_copy_info(pinfo, "\tMissing\n");
- }
- if (id == devinfo.u.array.transform_source) {
- hptiop_copy_info(pinfo, "\tExpanding/Migrating to:\n");
- hptiop_dump_devinfo(hba, pinfo,
- devinfo.u.array.transform_target, indent+1);
- }
- break;
- }
+ if (queue_depth > hba->max_requests)
+ queue_depth = hba->max_requests;
+ scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth);
+ return queue_depth;
}
-static ssize_t hptiop_show_version(struct class_device *class_dev, char *buf)
+static ssize_t hptiop_show_version(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver);
}
-static ssize_t hptiop_cdev_read(struct file *filp, char __user *buf,
- size_t count, loff_t *ppos)
-{
- struct hptiop_hba *hba = filp->private_data;
- struct hptiop_getinfo info;
- int i, j, ndev;
- struct hpt_controller_info con_info;
- struct hpt_channel_info chan_info;
- __le32 ids[32];
-
- info.buffer = buf;
- info.buflength = count;
- info.bufoffset = ppos ? *ppos : 0;
- info.filpos = 0;
- info.buffillen = 0;
-
- if (hptiop_get_controller_info(hba, &con_info))
- return -EIO;
-
- for (i = 0; i < con_info.num_buses; i++) {
- if (hptiop_get_channel_info(hba, i, &chan_info) == 0) {
- if (hpt_id_valid(chan_info.devices[0]))
- hptiop_dump_devinfo(hba, &info,
- chan_info.devices[0], 0);
- if (hpt_id_valid(chan_info.devices[1]))
- hptiop_dump_devinfo(hba, &info,
- chan_info.devices[1], 0);
- }
- }
-
- ndev = hptiop_get_logical_devices(hba, ids,
- sizeof(ids) / sizeof(ids[0]));
-
- /*
- * if hptiop_get_logical_devices fails, ndev==-1 and it just
- * output nothing here
- */
- for (j = 0; j < ndev; j++)
- hptiop_dump_devinfo(hba, &info, ids[j], 0);
-
- if (ppos)
- *ppos += info.buffillen;
-
- return info.buffillen;
-}
-
-static int hptiop_cdev_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static ssize_t hptiop_show_fw_version(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- struct hptiop_hba *hba = file->private_data;
- struct hpt_ioctl_u ioctl_u;
- struct hpt_ioctl_k ioctl_k;
- u32 bytes_returned;
- int err = -EINVAL;
-
- if (copy_from_user(&ioctl_u,
- (void __user *)arg, sizeof(struct hpt_ioctl_u)))
- return -EINVAL;
-
- if (ioctl_u.magic != HPT_IOCTL_MAGIC)
- return -EINVAL;
-
- ioctl_k.ioctl_code = ioctl_u.ioctl_code;
- ioctl_k.inbuf = NULL;
- ioctl_k.inbuf_size = ioctl_u.inbuf_size;
- ioctl_k.outbuf = NULL;
- ioctl_k.outbuf_size = ioctl_u.outbuf_size;
- ioctl_k.hba = hba;
- ioctl_k.bytes_returned = &bytes_returned;
-
- /* verify user buffer */
- if ((ioctl_k.inbuf_size && !access_ok(VERIFY_READ,
- ioctl_u.inbuf, ioctl_k.inbuf_size)) ||
- (ioctl_k.outbuf_size && !access_ok(VERIFY_WRITE,
- ioctl_u.outbuf, ioctl_k.outbuf_size)) ||
- (ioctl_u.bytes_returned && !access_ok(VERIFY_WRITE,
- ioctl_u.bytes_returned, sizeof(u32))) ||
- ioctl_k.inbuf_size + ioctl_k.outbuf_size > 0x10000) {
-
- dprintk("scsi%d: got bad user address\n", hba->host->host_no);
- return -EINVAL;
- }
-
- /* map buffer to kernel. */
- if (ioctl_k.inbuf_size) {
- ioctl_k.inbuf = kmalloc(ioctl_k.inbuf_size, GFP_KERNEL);
- if (!ioctl_k.inbuf) {
- dprintk("scsi%d: fail to alloc inbuf\n",
- hba->host->host_no);
- err = -ENOMEM;
- goto err_exit;
- }
-
- if (copy_from_user(ioctl_k.inbuf,
- ioctl_u.inbuf, ioctl_k.inbuf_size)) {
- goto err_exit;
- }
- }
-
- if (ioctl_k.outbuf_size) {
- ioctl_k.outbuf = kmalloc(ioctl_k.outbuf_size, GFP_KERNEL);
- if (!ioctl_k.outbuf) {
- dprintk("scsi%d: fail to alloc outbuf\n",
- hba->host->host_no);
- err = -ENOMEM;
- goto err_exit;
- }
- }
-
- hptiop_do_ioctl(&ioctl_k);
-
- if (ioctl_k.result == HPT_IOCTL_RESULT_OK) {
- if (ioctl_k.outbuf_size &&
- copy_to_user(ioctl_u.outbuf,
- ioctl_k.outbuf, ioctl_k.outbuf_size))
- goto err_exit;
-
- if (ioctl_u.bytes_returned &&
- copy_to_user(ioctl_u.bytes_returned,
- &bytes_returned, sizeof(u32)))
- goto err_exit;
-
- err = 0;
- }
-
-err_exit:
- kfree(ioctl_k.inbuf);
- kfree(ioctl_k.outbuf);
-
- return err;
-}
-
-static int hptiop_cdev_open(struct inode *inode, struct file *file)
-{
- struct hptiop_hba *hba;
- unsigned i = 0, minor = iminor(inode);
- int ret = -ENODEV;
-
- spin_lock(&hptiop_hba_list_lock);
- list_for_each_entry(hba, &hptiop_hba_list, link) {
- if (i == minor) {
- file->private_data = hba;
- ret = 0;
- goto out;
- }
- i++;
- }
-
-out:
- spin_unlock(&hptiop_hba_list_lock);
- return ret;
-}
-
-static struct file_operations hptiop_cdev_fops = {
- .owner = THIS_MODULE,
- .read = hptiop_cdev_read,
- .ioctl = hptiop_cdev_ioctl,
- .open = hptiop_cdev_open,
-};
-
-static ssize_t hptiop_show_fw_version(struct class_device *class_dev, char *buf)
-{
- struct Scsi_Host *host = class_to_shost(class_dev);
+ struct Scsi_Host *host = class_to_shost(dev);
struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n",
hba->firmware_version & 0xff);
}
-static struct class_device_attribute hptiop_attr_version = {
+static struct device_attribute hptiop_attr_version = {
.attr = {
.name = "driver-version",
.mode = S_IRUGO,
.show = hptiop_show_version,
};
-static struct class_device_attribute hptiop_attr_fw_version = {
+static struct device_attribute hptiop_attr_fw_version = {
.attr = {
.name = "firmware-version",
.mode = S_IRUGO,
.show = hptiop_show_fw_version,
};
-static struct class_device_attribute *hptiop_attrs[] = {
+static struct device_attribute *hptiop_attrs[] = {
&hptiop_attr_version,
&hptiop_attr_fw_version,
NULL
.eh_device_reset_handler = hptiop_reset,
.eh_bus_reset_handler = hptiop_reset,
.info = hptiop_info,
- .unchecked_isa_dma = 0,
.emulated = 0,
.use_clustering = ENABLE_CLUSTERING,
.proc_name = driver_name,
.change_queue_depth = hptiop_adjust_disk_queue_depth,
};
+static int hptiop_internal_memalloc_mv(struct hptiop_hba *hba)
+{
+ hba->u.mv.internal_req = dma_alloc_coherent(&hba->pcidev->dev,
+ 0x800, &hba->u.mv.internal_req_phy, GFP_KERNEL);
+ if (hba->u.mv.internal_req)
+ return 0;
+ else
+ return -1;
+}
+
+static int hptiop_internal_memfree_mv(struct hptiop_hba *hba)
+{
+ if (hba->u.mv.internal_req) {
+ dma_free_coherent(&hba->pcidev->dev, 0x800,
+ hba->u.mv.internal_req, hba->u.mv.internal_req_phy);
+ return 0;
+ } else
+ return -1;
+}
+
static int __devinit hptiop_probe(struct pci_dev *pcidev,
const struct pci_device_id *id)
{
pci_set_master(pcidev);
/* Enable 64bit DMA if possible */
- if (pci_set_dma_mask(pcidev, DMA_64BIT_MASK)) {
- if (pci_set_dma_mask(pcidev, DMA_32BIT_MASK)) {
+ if (pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) {
+ if (pci_set_dma_mask(pcidev, DMA_BIT_MASK(32))) {
printk(KERN_ERR "hptiop: fail to set dma_mask\n");
goto disable_pci_device;
}
hba = (struct hptiop_hba *)host->hostdata;
+ hba->ops = (struct hptiop_adapter_ops *)id->driver_data;
hba->pcidev = pcidev;
hba->host = host;
hba->initialized = 0;
+ hba->iopintf_v2 = 0;
atomic_set(&hba->resetting, 0);
atomic_set(&hba->reset_count, 0);
host->n_io_port = 0;
host->irq = pcidev->irq;
- if (hptiop_map_pci_bar(hba))
+ if (hba->ops->map_pci_bar(hba))
goto free_scsi_host;
- if (iop_wait_ready(hba->iop, 20000)) {
+ if (hba->ops->iop_wait_ready(hba, 20000)) {
printk(KERN_ERR "scsi%d: firmware not ready\n",
hba->host->host_no);
goto unmap_pci_bar;
}
- if (iop_get_config(hba, &iop_config)) {
+ if (hba->ops->internal_memalloc) {
+ if (hba->ops->internal_memalloc(hba)) {
+ printk(KERN_ERR "scsi%d: internal_memalloc failed\n",
+ hba->host->host_no);
+ goto unmap_pci_bar;
+ }
+ }
+
+ if (hba->ops->get_config(hba, &iop_config)) {
printk(KERN_ERR "scsi%d: get config failed\n",
hba->host->host_no);
goto unmap_pci_bar;
hba->max_request_size = le32_to_cpu(iop_config.request_size);
hba->max_sg_descriptors = le32_to_cpu(iop_config.max_sg_count);
hba->firmware_version = le32_to_cpu(iop_config.firmware_version);
+ hba->interface_version = le32_to_cpu(iop_config.interface_version);
hba->sdram_size = le32_to_cpu(iop_config.sdram_size);
+ if (hba->firmware_version > 0x01020000 ||
+ hba->interface_version > 0x01020000)
+ hba->iopintf_v2 = 1;
+
host->max_sectors = le32_to_cpu(iop_config.data_transfer_length) >> 9;
host->max_id = le32_to_cpu(iop_config.max_devices);
host->sg_tablesize = le32_to_cpu(iop_config.max_sg_count);
host->cmd_per_lun = le32_to_cpu(iop_config.max_requests);
host->max_cmd_len = 16;
- set_config.vbus_id = cpu_to_le32(host->host_no);
+ req_size = sizeof(struct hpt_iop_request_scsi_command)
+ + sizeof(struct hpt_iopsg) * (hba->max_sg_descriptors - 1);
+ if ((req_size & 0x1f) != 0)
+ req_size = (req_size + 0x1f) & ~0x1f;
+
+ memset(&set_config, 0, sizeof(struct hpt_iop_request_set_config));
set_config.iop_id = cpu_to_le32(host->host_no);
+ set_config.vbus_id = cpu_to_le16(host->host_no);
+ set_config.max_host_request_size = cpu_to_le16(req_size);
- if (iop_set_config(hba, &set_config)) {
+ if (hba->ops->set_config(hba, &set_config)) {
printk(KERN_ERR "scsi%d: set config failed\n",
hba->host->host_no);
goto unmap_pci_bar;
}
- if (scsi_add_host(host, &pcidev->dev)) {
- printk(KERN_ERR "scsi%d: scsi_add_host failed\n",
- hba->host->host_no);
- goto unmap_pci_bar;
- }
-
pci_set_drvdata(pcidev, host);
if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED,
driver_name, hba)) {
printk(KERN_ERR "scsi%d: request irq %d failed\n",
hba->host->host_no, pcidev->irq);
- goto remove_scsi_host;
+ goto unmap_pci_bar;
}
/* Allocate request mem */
- req_size = sizeof(struct hpt_iop_request_scsi_command)
- + sizeof(struct hpt_iopsg) * (hba->max_sg_descriptors - 1);
- if ((req_size& 0x1f) != 0)
- req_size = (req_size + 0x1f) & ~0x1f;
dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests);
if (hptiop_initialize_iop(hba))
goto free_request_mem;
- spin_lock(&hptiop_hba_list_lock);
- list_add_tail(&hba->link, &hptiop_hba_list);
- spin_unlock(&hptiop_hba_list_lock);
+ if (scsi_add_host(host, &pcidev->dev)) {
+ printk(KERN_ERR "scsi%d: scsi_add_host failed\n",
+ hba->host->host_no);
+ goto free_request_mem;
+ }
+
scsi_scan_host(host);
free_request_mem:
dma_free_coherent(&hba->pcidev->dev,
- hba->req_size*hba->max_requests + 0x20,
+ hba->req_size * hba->max_requests + 0x20,
hba->dma_coherent, hba->dma_coherent_handle);
free_request_irq:
free_irq(hba->pcidev->irq, hba);
-remove_scsi_host:
- scsi_remove_host(host);
-
unmap_pci_bar:
- iounmap(hba->iop);
+ if (hba->ops->internal_memfree)
+ hba->ops->internal_memfree(hba);
-free_pci_regions:
- pci_release_regions(pcidev) ;
+ hba->ops->unmap_pci_bar(hba);
free_scsi_host:
scsi_host_put(host);
+free_pci_regions:
+ pci_release_regions(pcidev);
+
disable_pci_device:
pci_disable_device(pcidev);
{
struct Scsi_Host *host = pci_get_drvdata(pcidev);
struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
- struct hpt_iopmu __iomem *iop = hba->iop;
- u32 int_mask;
dprintk("hptiop_shutdown(%p)\n", hba);
hba->host->host_no);
/* disable all outbound interrupts */
- int_mask = readl(&iop->outbound_intmask);
+ hba->ops->disable_intr(hba);
+}
+
+static void hptiop_disable_intr_itl(struct hptiop_hba *hba)
+{
+ u32 int_mask;
+
+ int_mask = readl(&hba->u.itl.iop->outbound_intmask);
writel(int_mask |
IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE,
- &iop->outbound_intmask);
- hptiop_pci_posting_flush(iop);
+ &hba->u.itl.iop->outbound_intmask);
+ readl(&hba->u.itl.iop->outbound_intmask);
+}
+
+static void hptiop_disable_intr_mv(struct hptiop_hba *hba)
+{
+ writel(0, &hba->u.mv.regs->outbound_intmask);
+ readl(&hba->u.mv.regs->outbound_intmask);
}
static void hptiop_remove(struct pci_dev *pcidev)
scsi_remove_host(host);
- spin_lock(&hptiop_hba_list_lock);
- list_del_init(&hba->link);
- spin_unlock(&hptiop_hba_list_lock);
-
hptiop_shutdown(pcidev);
free_irq(hba->pcidev->irq, hba);
hba->dma_coherent,
hba->dma_coherent_handle);
- iounmap(hba->iop);
+ if (hba->ops->internal_memfree)
+ hba->ops->internal_memfree(hba);
+
+ hba->ops->unmap_pci_bar(hba);
pci_release_regions(hba->pcidev);
pci_set_drvdata(hba->pcidev, NULL);
scsi_host_put(host);
}
+static struct hptiop_adapter_ops hptiop_itl_ops = {
+ .iop_wait_ready = iop_wait_ready_itl,
+ .internal_memalloc = NULL,
+ .internal_memfree = NULL,
+ .map_pci_bar = hptiop_map_pci_bar_itl,
+ .unmap_pci_bar = hptiop_unmap_pci_bar_itl,
+ .enable_intr = hptiop_enable_intr_itl,
+ .disable_intr = hptiop_disable_intr_itl,
+ .get_config = iop_get_config_itl,
+ .set_config = iop_set_config_itl,
+ .iop_intr = iop_intr_itl,
+ .post_msg = hptiop_post_msg_itl,
+ .post_req = hptiop_post_req_itl,
+};
+
+static struct hptiop_adapter_ops hptiop_mv_ops = {
+ .iop_wait_ready = iop_wait_ready_mv,
+ .internal_memalloc = hptiop_internal_memalloc_mv,
+ .internal_memfree = hptiop_internal_memfree_mv,
+ .map_pci_bar = hptiop_map_pci_bar_mv,
+ .unmap_pci_bar = hptiop_unmap_pci_bar_mv,
+ .enable_intr = hptiop_enable_intr_mv,
+ .disable_intr = hptiop_disable_intr_mv,
+ .get_config = iop_get_config_mv,
+ .set_config = iop_set_config_mv,
+ .iop_intr = iop_intr_mv,
+ .post_msg = hptiop_post_msg_mv,
+ .post_req = hptiop_post_req_mv,
+};
+
static struct pci_device_id hptiop_id_table[] = {
- { PCI_DEVICE(0x1103, 0x3220) },
- { PCI_DEVICE(0x1103, 0x3320) },
+ { PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x3530), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x3560), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x4210), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x4211), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x4310), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x4311), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x4321), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x4322), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x4400), (kernel_ulong_t)&hptiop_itl_ops },
+ { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops },
+ { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops },
+ { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops },
{},
};
static int __init hptiop_module_init(void)
{
- int error;
-
printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver);
-
- error = pci_register_driver(&hptiop_pci_driver);
- if (error < 0)
- return error;
-
- hptiop_cdev_major = register_chrdev(0, "hptiop", &hptiop_cdev_fops);
- if (hptiop_cdev_major < 0) {
- printk(KERN_WARNING "unable to register hptiop device.\n");
- return hptiop_cdev_major;
- }
-
- return 0;
+ return pci_register_driver(&hptiop_pci_driver);
}
static void __exit hptiop_module_exit(void)
{
- dprintk("hptiop_module_exit\n");
- unregister_chrdev(hptiop_cdev_major, "hptiop");
pci_unregister_driver(&hptiop_pci_driver);
}
module_exit(hptiop_module_exit);
MODULE_LICENSE("GPL");
+