From: 黃清隆 <ching2048@areca.com.tw>
To: james.bottomley@hansenpartnership.com,
linux-scsi <linux-scsi@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Cc: billion@areca.com.tw
Subject: Re: [PATCH 1/3] arcmsr: Support Areca new SATA Raid Adapter ARC1214/1224/1264/1284
Date: Mon, 26 Aug 2013 12:14:48 +0800 [thread overview]
Message-ID: <7A2818CC441F4BCE96D3B1E70CC3D76B@chingDT> (raw)
[-- Attachment #1: Type: text/plain, Size: 237 bytes --]
From: Ching <ching2048@areca.com.tw>
Support Areca new SATA Raid adapter ARC1214/1224/1264/1284.
Modify maximum outstanding command number, notify command complete with auto
request sense
Signed-off-by: Ching <ching2048@areca.com.tw>
[-- Attachment #2: patch1 --]
[-- Type: application/octet-stream, Size: 261838 bytes --]
diff -uprN a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c
--- a/drivers/scsi/arcmsr/arcmsr_attr.c 2013-07-01 06:13:28.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c 2012-11-29 19:35:16.000000000 +0800
@@ -59,64 +59,112 @@
struct device_attribute *arcmsr_host_attrs[];
-static ssize_t arcmsr_sysfs_iop_message_read(struct file *filp,
- struct kobject *kobj,
- struct bin_attribute *bin,
- char *buf, loff_t off,
- size_t count)
+static ssize_t
+arcmsr_sysfs_iop_message_read(struct file *filp,
+ struct kobject *kobj,
+ struct bin_attribute *bin,
+ char *buf, loff_t off,
+ size_t count)
{
- struct device *dev = container_of(kobj,struct device,kobj);
+ struct device *dev = container_of(kobj, struct device, kobj);
struct Scsi_Host *host = class_to_shost(dev);
- struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+ struct AdapterControlBlock *acb =
+ (struct AdapterControlBlock *)host->hostdata;
uint8_t *pQbuffer,*ptmpQbuffer;
int32_t allxfer_len = 0;
+ unsigned long flags;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
/* do message unit read. */
ptmpQbuffer = (uint8_t *)buf;
- while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex)
- && (allxfer_len < 1031)) {
+ spin_lock_irqsave(&acb->rqbuffer_lock, flags);
+ if (acb->rqbuf_firstindex != acb->rqbuf_lastindex) {
pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex];
- memcpy(ptmpQbuffer, pQbuffer, 1);
- acb->rqbuf_firstindex++;
- acb->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
- ptmpQbuffer++;
- allxfer_len++;
+ if (acb->rqbuf_firstindex > acb->rqbuf_lastindex) {
+ if ((ARCMSR_MAX_QBUFFER - acb->rqbuf_firstindex) >= 1032) {
+ memcpy(ptmpQbuffer, pQbuffer, 1032);
+ acb->rqbuf_firstindex += 1032;
+ allxfer_len = 1032;
+ } else {
+ if (((ARCMSR_MAX_QBUFFER - acb->rqbuf_firstindex) + acb->rqbuf_lastindex) > 1032) {
+ memcpy(ptmpQbuffer, pQbuffer, ARCMSR_MAX_QBUFFER - acb->rqbuf_firstindex);
+ ptmpQbuffer += ARCMSR_MAX_QBUFFER - acb->rqbuf_firstindex;
+ memcpy(ptmpQbuffer, acb->rqbuffer, 1032 - (ARCMSR_MAX_QBUFFER - acb->rqbuf_firstindex));
+ acb->rqbuf_firstindex = 1032 - (ARCMSR_MAX_QBUFFER - acb->rqbuf_firstindex);
+ allxfer_len = 1032;
+ } else {
+ memcpy(ptmpQbuffer, pQbuffer, ARCMSR_MAX_QBUFFER - acb->rqbuf_firstindex);
+ ptmpQbuffer += ARCMSR_MAX_QBUFFER - acb->rqbuf_firstindex;
+ memcpy(ptmpQbuffer, acb->rqbuffer, acb->rqbuf_lastindex);
+ allxfer_len = ARCMSR_MAX_QBUFFER - acb->rqbuf_firstindex + acb->rqbuf_lastindex;
+ acb->rqbuf_firstindex = acb->rqbuf_lastindex;
+ }
+ }
+ } else {
+ if ((acb->rqbuf_lastindex - acb->rqbuf_firstindex) > 1032) {
+ memcpy(ptmpQbuffer, pQbuffer, 1032);
+ acb->rqbuf_firstindex += 1032;
+ allxfer_len = 1032;
+ } else {
+ memcpy(ptmpQbuffer, pQbuffer, acb->rqbuf_lastindex - acb->rqbuf_firstindex);
+ allxfer_len = acb->rqbuf_lastindex - acb->rqbuf_firstindex;
+ acb->rqbuf_firstindex = acb->rqbuf_lastindex;
+ }
+ }
}
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
struct QBUFFER __iomem *prbuffer;
- uint8_t __iomem *iop_data;
- int32_t iop_len;
-
- acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
+ uint8_t __iomem *iop_data, *vaddr, *temp;
+ int32_t data_len_residual, data_len, rqbuf_lastindex;
+ acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
+ rqbuf_lastindex = acb->rqbuf_lastindex;
prbuffer = arcmsr_get_iop_rqbuffer(acb);
- iop_data = prbuffer->data;
- iop_len = readl(&prbuffer->data_len);
- while (iop_len > 0) {
- acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data);
- acb->rqbuf_lastindex++;
- acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
- iop_data++;
- iop_len--;
+ iop_data = (uint8_t __iomem *)prbuffer->data;
+ data_len_residual = data_len = readl(&prbuffer->data_len);
+ if (data_len > 0) {
+ temp = vaddr = kmalloc(data_len, GFP_ATOMIC);
+ do {
+ memcpy(temp, iop_data, 4);
+ temp += 4;
+ iop_data += 4;
+ data_len_residual -= 4;
+ } while (data_len_residual > 0);
+ pQbuffer = &acb->rqbuffer[acb->rqbuf_lastindex];
+ temp = vaddr;
+ if ((rqbuf_lastindex + data_len) > ARCMSR_MAX_QBUFFER) {
+ memcpy(pQbuffer, temp, ARCMSR_MAX_QBUFFER - rqbuf_lastindex);
+ temp += (ARCMSR_MAX_QBUFFER - rqbuf_lastindex);
+ rqbuf_lastindex = (rqbuf_lastindex + data_len) % ARCMSR_MAX_QBUFFER;
+ memcpy(&acb->rqbuffer[0], temp, rqbuf_lastindex);
+ } else {
+ memcpy(pQbuffer, temp, data_len);
+ rqbuf_lastindex = (rqbuf_lastindex + data_len) % ARCMSR_MAX_QBUFFER;
+ }
+ kfree(vaddr);
}
+ acb->rqbuf_lastindex = rqbuf_lastindex;
arcmsr_iop_message_read(acb);
}
+ spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
return (allxfer_len);
}
-static ssize_t arcmsr_sysfs_iop_message_write(struct file *filp,
- struct kobject *kobj,
- struct bin_attribute *bin,
- char *buf, loff_t off,
- size_t count)
+static ssize_t
+arcmsr_sysfs_iop_message_write(struct file *filp,
+ struct kobject *kobj,
+ struct bin_attribute *bin,
+ char *buf, loff_t off,
+ size_t count)
{
- struct device *dev = container_of(kobj,struct device,kobj);
+ struct device *dev = container_of(kobj, struct device, kobj);
struct Scsi_Host *host = class_to_shost(dev);
- struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+ struct AdapterControlBlock *acb =
+ (struct AdapterControlBlock *)host->hostdata;
int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex;
uint8_t *pQbuffer, *ptmpuserbuffer;
+ unsigned long flags;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
@@ -125,10 +173,12 @@ static ssize_t arcmsr_sysfs_iop_message_
/* do message unit write. */
ptmpuserbuffer = (uint8_t *)buf;
user_len = (int32_t)count;
+ spin_lock_irqsave(&acb->wqbuffer_lock, flags);
wqbuf_lastindex = acb->wqbuf_lastindex;
wqbuf_firstindex = acb->wqbuf_firstindex;
if (wqbuf_lastindex != wqbuf_firstindex) {
arcmsr_post_ioctldata2iop(acb);
+ spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
return 0; /*need retry*/
} else {
my_empty_len = (wqbuf_firstindex-wqbuf_lastindex - 1)
@@ -139,32 +189,39 @@ static ssize_t arcmsr_sysfs_iop_message_
&acb->wqbuffer[acb->wqbuf_lastindex];
memcpy(pQbuffer, ptmpuserbuffer, 1);
acb->wqbuf_lastindex++;
- acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
+ acb->wqbuf_lastindex %=
+ ARCMSR_MAX_QBUFFER;
ptmpuserbuffer++;
user_len--;
}
- if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) {
+ if (acb->acb_flags &
+ ACB_F_MESSAGE_WQBUFFER_CLEARED) {
acb->acb_flags &=
~ACB_F_MESSAGE_WQBUFFER_CLEARED;
arcmsr_post_ioctldata2iop(acb);
}
+ spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
return count;
} else {
+ spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
return 0; /*need retry*/
}
}
}
-static ssize_t arcmsr_sysfs_iop_message_clear(struct file *filp,
- struct kobject *kobj,
- struct bin_attribute *bin,
- char *buf, loff_t off,
- size_t count)
+static ssize_t
+arcmsr_sysfs_iop_message_clear(struct file *filp,
+ struct kobject *kobj,
+ struct bin_attribute *bin,
+ char *buf, loff_t off,
+ size_t count)
{
- struct device *dev = container_of(kobj,struct device,kobj);
+ struct device *dev = container_of(kobj, struct device, kobj);
struct Scsi_Host *host = class_to_shost(dev);
- struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+ struct AdapterControlBlock *acb =
+ (struct AdapterControlBlock *)host->hostdata;
uint8_t *pQbuffer;
+ unsigned long flags;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
@@ -177,10 +234,14 @@ static ssize_t arcmsr_sysfs_iop_message_
(ACB_F_MESSAGE_WQBUFFER_CLEARED
| ACB_F_MESSAGE_RQBUFFER_CLEARED
| ACB_F_MESSAGE_WQBUFFER_READED);
+ spin_lock_irqsave(&acb->rqbuffer_lock, flags);
acb->rqbuf_firstindex = 0;
acb->rqbuf_lastindex = 0;
+ spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
+ spin_lock_irqsave(&acb->wqbuffer_lock, flags);
acb->wqbuf_firstindex = 0;
acb->wqbuf_lastindex = 0;
+ spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
pQbuffer = acb->rqbuffer;
memset(pQbuffer, 0, sizeof (struct QBUFFER));
pQbuffer = acb->wqbuffer;
@@ -215,31 +276,37 @@ static struct bin_attribute arcmsr_sysfs
.write = arcmsr_sysfs_iop_message_clear,
};
-int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb)
+int
+arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb)
{
struct Scsi_Host *host = acb->host;
int error;
- error = sysfs_create_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_read_attr);
+ error = sysfs_create_bin_file(&host->shost_dev.kobj,
+ &arcmsr_sysfs_message_read_attr);
if (error) {
- printk(KERN_ERR "arcmsr: alloc sysfs mu_read failed\n");
+ pr_err("arcmsr: alloc sysfs mu_read failed\n");
goto error_bin_file_message_read;
}
- error = sysfs_create_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_write_attr);
+ error = sysfs_create_bin_file(&host->shost_dev.kobj,
+ &arcmsr_sysfs_message_write_attr);
if (error) {
- printk(KERN_ERR "arcmsr: alloc sysfs mu_write failed\n");
+ pr_err("arcmsr: alloc sysfs mu_write failed\n");
goto error_bin_file_message_write;
}
- error = sysfs_create_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_clear_attr);
+ error = sysfs_create_bin_file(&host->shost_dev.kobj,
+ &arcmsr_sysfs_message_clear_attr);
if (error) {
- printk(KERN_ERR "arcmsr: alloc sysfs mu_clear failed\n");
+ pr_err("arcmsr: alloc sysfs mu_clear failed\n");
goto error_bin_file_message_clear;
}
return 0;
error_bin_file_message_clear:
- sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_write_attr);
+ sysfs_remove_bin_file(&host->shost_dev.kobj,
+ &arcmsr_sysfs_message_write_attr);
error_bin_file_message_write:
- sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_read_attr);
+ sysfs_remove_bin_file(&host->shost_dev.kobj,
+ &arcmsr_sysfs_message_read_attr);
error_bin_file_message_read:
return error;
}
@@ -248,15 +315,17 @@ void arcmsr_free_sysfs_attr(struct Adapt
{
struct Scsi_Host *host = acb->host;
- sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_clear_attr);
- sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_write_attr);
- sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_read_attr);
+ sysfs_remove_bin_file(&host->shost_dev.kobj,
+ &arcmsr_sysfs_message_clear_attr);
+ sysfs_remove_bin_file(&host->shost_dev.kobj,
+ &arcmsr_sysfs_message_write_attr);
+ sysfs_remove_bin_file(&host->shost_dev.kobj,
+ &arcmsr_sysfs_message_read_attr);
}
-
static ssize_t
arcmsr_attr_host_driver_version(struct device *dev,
- struct device_attribute *attr, char *buf)
+ struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE,
"%s\n",
@@ -265,11 +334,11 @@ arcmsr_attr_host_driver_version(struct d
static ssize_t
arcmsr_attr_host_driver_posted_cmd(struct device *dev,
- struct device_attribute *attr, char *buf)
+ struct device_attribute *attr, char *buf)
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
+ (struct AdapterControlBlock *)host->hostdata;
return snprintf(buf, PAGE_SIZE,
"%4d\n",
atomic_read(&acb->ccboutstandingcount));
@@ -281,7 +350,7 @@ arcmsr_attr_host_driver_reset(struct dev
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
+ (struct AdapterControlBlock *)host->hostdata;
return snprintf(buf, PAGE_SIZE,
"%4d\n",
acb->num_resets);
@@ -293,19 +362,19 @@ arcmsr_attr_host_driver_abort(struct dev
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
+ (struct AdapterControlBlock *)host->hostdata;
return snprintf(buf, PAGE_SIZE,
"%4d\n",
acb->num_aborts);
}
static ssize_t
-arcmsr_attr_host_fw_model(struct device *dev, struct device_attribute *attr,
- char *buf)
+arcmsr_attr_host_fw_model(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
+ (struct AdapterControlBlock *)host->hostdata;
return snprintf(buf, PAGE_SIZE,
"%s\n",
acb->firm_model);
@@ -317,8 +386,7 @@ arcmsr_attr_host_fw_version(struct devic
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
-
+ (struct AdapterControlBlock *)host->hostdata;
return snprintf(buf, PAGE_SIZE,
"%s\n",
acb->firm_version);
@@ -330,7 +398,7 @@ arcmsr_attr_host_fw_request_len(struct d
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
+ (struct AdapterControlBlock *)host->hostdata;
return snprintf(buf, PAGE_SIZE,
"%4d\n",
@@ -343,7 +411,7 @@ arcmsr_attr_host_fw_numbers_queue(struct
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
+ (struct AdapterControlBlock *)host->hostdata;
return snprintf(buf, PAGE_SIZE,
"%4d\n",
@@ -356,7 +424,7 @@ arcmsr_attr_host_fw_sdram_size(struct de
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
+ (struct AdapterControlBlock *)host->hostdata;
return snprintf(buf, PAGE_SIZE,
"%4d\n",
@@ -369,23 +437,33 @@ arcmsr_attr_host_fw_hd_channels(struct d
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
+ (struct AdapterControlBlock *)host->hostdata;
return snprintf(buf, PAGE_SIZE,
"%4d\n",
acb->firm_hd_channels);
}
-static DEVICE_ATTR(host_driver_version, S_IRUGO, arcmsr_attr_host_driver_version, NULL);
-static DEVICE_ATTR(host_driver_posted_cmd, S_IRUGO, arcmsr_attr_host_driver_posted_cmd, NULL);
-static DEVICE_ATTR(host_driver_reset, S_IRUGO, arcmsr_attr_host_driver_reset, NULL);
-static DEVICE_ATTR(host_driver_abort, S_IRUGO, arcmsr_attr_host_driver_abort, NULL);
-static DEVICE_ATTR(host_fw_model, S_IRUGO, arcmsr_attr_host_fw_model, NULL);
-static DEVICE_ATTR(host_fw_version, S_IRUGO, arcmsr_attr_host_fw_version, NULL);
-static DEVICE_ATTR(host_fw_request_len, S_IRUGO, arcmsr_attr_host_fw_request_len, NULL);
-static DEVICE_ATTR(host_fw_numbers_queue, S_IRUGO, arcmsr_attr_host_fw_numbers_queue, NULL);
-static DEVICE_ATTR(host_fw_sdram_size, S_IRUGO, arcmsr_attr_host_fw_sdram_size, NULL);
-static DEVICE_ATTR(host_fw_hd_channels, S_IRUGO, arcmsr_attr_host_fw_hd_channels, NULL);
+static DEVICE_ATTR(host_driver_version, S_IRUGO,
+ arcmsr_attr_host_driver_version, NULL);
+static DEVICE_ATTR(host_driver_posted_cmd, S_IRUGO,
+ arcmsr_attr_host_driver_posted_cmd, NULL);
+static DEVICE_ATTR(host_driver_reset, S_IRUGO,
+ arcmsr_attr_host_driver_reset, NULL);
+static DEVICE_ATTR(host_driver_abort, S_IRUGO,
+ arcmsr_attr_host_driver_abort, NULL);
+static DEVICE_ATTR(host_fw_model, S_IRUGO,
+ arcmsr_attr_host_fw_model, NULL);
+static DEVICE_ATTR(host_fw_version, S_IRUGO,
+ arcmsr_attr_host_fw_version, NULL);
+static DEVICE_ATTR(host_fw_request_len, S_IRUGO,
+ arcmsr_attr_host_fw_request_len, NULL);
+static DEVICE_ATTR(host_fw_numbers_queue, S_IRUGO,
+ arcmsr_attr_host_fw_numbers_queue, NULL);
+static DEVICE_ATTR(host_fw_sdram_size, S_IRUGO,
+ arcmsr_attr_host_fw_sdram_size, NULL);
+static DEVICE_ATTR(host_fw_hd_channels, S_IRUGO,
+ arcmsr_attr_host_fw_hd_channels, NULL);
struct device_attribute *arcmsr_host_attrs[] = {
&dev_attr_host_driver_version,
diff -uprN a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
--- a/drivers/scsi/arcmsr/arcmsr.h 2013-07-01 06:13:28.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr.h 2013-08-26 19:23:24.000000000 +0800
@@ -45,42 +45,48 @@
#include <linux/interrupt.h>
struct device_attribute;
/*The limit of outstanding scsi command that firmware can handle*/
-#define ARCMSR_MAX_OUTSTANDING_CMD 256
+#define ARCMSR_MAX_OUTSTANDING_CMD 256
#ifdef CONFIG_XEN
#define ARCMSR_MAX_FREECCB_NUM 160
#else
#define ARCMSR_MAX_FREECCB_NUM 320
#endif
-#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.15 2010/08/05"
-#define ARCMSR_SCSI_INITIATOR_ID 255
-#define ARCMSR_MAX_XFER_SECTORS 512
-#define ARCMSR_MAX_XFER_SECTORS_B 4096
-#define ARCMSR_MAX_XFER_SECTORS_C 304
-#define ARCMSR_MAX_TARGETID 17
-#define ARCMSR_MAX_TARGETLUN 8
-#define ARCMSR_MAX_CMD_PERLUN ARCMSR_MAX_OUTSTANDING_CMD
-#define ARCMSR_MAX_QBUFFER 4096
-#define ARCMSR_DEFAULT_SG_ENTRIES 38
-#define ARCMSR_MAX_HBB_POSTQUEUE 264
-#define ARCMSR_MAX_XFER_LEN 0x26000 /* 152K */
-#define ARCMSR_CDB_SG_PAGE_LENGTH 256
+#define ARCMSR_DRIVER_VERSION "Driver Version 1.30.00.00 2013/05/06"
+#define ARCMSR_SCSI_INITIATOR_ID 255
+#define ARCMSR_MAX_XFER_SECTORS 512
+#define ARCMSR_MAX_XFER_SECTORS_B 4096
+#define ARCMSR_MAX_XFER_SECTORS_C 304
+#define ARCMSR_MAX_TARGETID 17
+#define ARCMSR_MAX_TARGETLUN 8
+#define ARCMSR_MAX_CMD_PERLUN ARCMSR_MAX_OUTSTANDING_CMD
+#define ARCMSR_MAX_QBUFFER 4096
+#define ARCMSR_DEFAULT_SG_ENTRIES 38
+#define ARCMSR_MAX_HBB_POSTQUEUE 264
+#define ARCMSR_MAX_ARC1214_POSTQUEUE 256
+#define ARCMSR_MAX_ARC1214_DONEQUEUE 257
+#define ARCMSR_MAX_XFER_LEN 0x26000
+#define ARCMSR_CDB_SG_PAGE_LENGTH 256
+#define ARCMST_NUM_MSIX_VECTORS 4
#ifndef PCI_DEVICE_ID_ARECA_1880
-#define PCI_DEVICE_ID_ARECA_1880 0x1880
- #endif
+ #define PCI_DEVICE_ID_ARECA_1880 0x1880
+#endif
+#ifndef PCI_DEVICE_ID_ARECA_1214
+ #define PCI_DEVICE_ID_ARECA_1214 0x1214
+#endif
/*
**********************************************************************************
**
**********************************************************************************
*/
-#define ARC_SUCCESS 0
-#define ARC_FAILURE 1
+#define ARC_SUCCESS 0
+#define ARC_FAILURE 1
/*
*******************************************************************************
** split 64bits dma addressing
*******************************************************************************
*/
-#define dma_addr_hi32(addr) (uint32_t) ((addr>>16)>>16)
-#define dma_addr_lo32(addr) (uint32_t) (addr & 0xffffffff)
+#define dma_addr_hi32(addr) (uint32_t)((addr >> 16) >> 16)
+#define dma_addr_lo32(addr) (uint32_t)(addr & 0xffffffff)
/*
*******************************************************************************
** MESSAGE CONTROL CODE
@@ -88,12 +94,12 @@ struct device_attribute;
*/
struct CMD_MESSAGE
{
- uint32_t HeaderLength;
- uint8_t Signature[8];
- uint32_t Timeout;
- uint32_t ControlCode;
- uint32_t ReturnCode;
- uint32_t Length;
+ uint32_t HeaderLength;
+ uint8_t Signature[8];
+ uint32_t Timeout;
+ uint32_t ControlCode;
+ uint32_t ReturnCode;
+ uint32_t Length;
};
/*
*******************************************************************************
@@ -102,8 +108,8 @@ struct CMD_MESSAGE
*/
struct CMD_MESSAGE_FIELD
{
- struct CMD_MESSAGE cmdmessage;
- uint8_t messagedatabuffer[1032];
+ struct CMD_MESSAGE cmdmessage;
+ uint8_t messagedatabuffer[1032];
};
/* IOP message transfer */
#define ARCMSR_MESSAGE_FAIL 0x0001
@@ -111,57 +117,57 @@ struct CMD_MESSAGE_FIELD
#define ARECA_SATA_RAID 0x90000000
/* FunctionCode */
#define FUNCTION_READ_RQBUFFER 0x0801
-#define FUNCTION_WRITE_WQBUFFER 0x0802
-#define FUNCTION_CLEAR_RQBUFFER 0x0803
-#define FUNCTION_CLEAR_WQBUFFER 0x0804
+#define FUNCTION_WRITE_WQBUFFER 0x0802
+#define FUNCTION_CLEAR_RQBUFFER 0x0803
+#define FUNCTION_CLEAR_WQBUFFER 0x0804
#define FUNCTION_CLEAR_ALLQBUFFER 0x0805
-#define FUNCTION_RETURN_CODE_3F 0x0806
+#define FUNCTION_RETURN_CODE_3F 0x0806
#define FUNCTION_SAY_HELLO 0x0807
#define FUNCTION_SAY_GOODBYE 0x0808
#define FUNCTION_FLUSH_ADAPTER_CACHE 0x0809
-#define FUNCTION_GET_FIRMWARE_STATUS 0x080A
-#define FUNCTION_HARDWARE_RESET 0x080B
+#define FUNCTION_GET_FIRMWARE_STATUS 0x080A
+#define FUNCTION_HARDWARE_RESET 0x080B
/* ARECA IO CONTROL CODE*/
-#define ARCMSR_MESSAGE_READ_RQBUFFER \
- ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER
-#define ARCMSR_MESSAGE_WRITE_WQBUFFER \
- ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER
-#define ARCMSR_MESSAGE_CLEAR_RQBUFFER \
- ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER
-#define ARCMSR_MESSAGE_CLEAR_WQBUFFER \
- ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER
-#define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER \
- ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER
-#define ARCMSR_MESSAGE_RETURN_CODE_3F \
- ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F
-#define ARCMSR_MESSAGE_SAY_HELLO \
- ARECA_SATA_RAID | FUNCTION_SAY_HELLO
-#define ARCMSR_MESSAGE_SAY_GOODBYE \
- ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE
-#define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \
- ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE
+#define ARCMSR_MESSAGE_READ_RQBUFFER \
+ (ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER)
+#define ARCMSR_MESSAGE_WRITE_WQBUFFER \
+ (ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER)
+#define ARCMSR_MESSAGE_CLEAR_RQBUFFER \
+ (ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER)
+#define ARCMSR_MESSAGE_CLEAR_WQBUFFER \
+ (ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER)
+#define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER \
+ (ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER)
+#define ARCMSR_MESSAGE_RETURN_CODE_3F \
+ (ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F)
+#define ARCMSR_MESSAGE_SAY_HELLO \
+ (ARECA_SATA_RAID | FUNCTION_SAY_HELLO)
+#define ARCMSR_MESSAGE_SAY_GOODBYE \
+ (ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE)
+#define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \
+ (ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE)
/* ARECA IOCTL ReturnCode */
-#define ARCMSR_MESSAGE_RETURNCODE_OK 0x00000001
+#define ARCMSR_MESSAGE_RETURNCODE_OK 0x00000001
#define ARCMSR_MESSAGE_RETURNCODE_ERROR 0x00000006
-#define ARCMSR_MESSAGE_RETURNCODE_3F 0x0000003F
+#define ARCMSR_MESSAGE_RETURNCODE_3F 0x0000003F
#define ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON 0x00000088
/*
*************************************************************
** structure for holding DMA address data
*************************************************************
*/
-#define IS_DMA64 (sizeof(dma_addr_t) == 8)
-#define IS_SG64_ADDR 0x01000000 /* bit24 */
+#define IS_DMA64 (sizeof(dma_addr_t) == 8)
+#define IS_SG64_ADDR 0x01000000 /* bit24 */
struct SG32ENTRY
{
- __le32 length;
- __le32 address;
+ __le32 length;
+ __le32 address;
}__attribute__ ((packed));
struct SG64ENTRY
{
- __le32 length;
- __le32 address;
- __le32 addresshigh;
+ __le32 length;
+ __le32 address;
+ __le32 addresshigh;
}__attribute__ ((packed));
/*
********************************************************************
@@ -170,8 +176,8 @@ struct SG64ENTRY
*/
struct QBUFFER
{
- uint32_t data_len;
- uint8_t data[124];
+ uint32_t data_len;
+ uint8_t data[124];
};
/*
*******************************************************************************
@@ -180,50 +186,50 @@ struct QBUFFER
*/
struct FIRMWARE_INFO
{
- uint32_t signature; /*0, 00-03*/
- uint32_t request_len; /*1, 04-07*/
- uint32_t numbers_queue; /*2, 08-11*/
- uint32_t sdram_size; /*3, 12-15*/
- uint32_t ide_channels; /*4, 16-19*/
- char vendor[40]; /*5, 20-59*/
- char model[8]; /*15, 60-67*/
- char firmware_ver[16]; /*17, 68-83*/
- char device_map[16]; /*21, 84-99*/
- uint32_t cfgVersion; /*25,100-103 Added for checking of new firmware capability*/
- uint8_t cfgSerial[16]; /*26,104-119*/
- uint32_t cfgPicStatus; /*30,120-123*/
+ uint32_t signature; /*0, 00-03*/
+ uint32_t request_len; /*1, 04-07*/
+ uint32_t numbers_queue; /*2, 08-11*/
+ uint32_t sdram_size; /*3, 12-15*/
+ uint32_t ide_channels; /*4, 16-19*/
+ char vendor[40]; /*5, 20-59*/
+ char model[8]; /*15, 60-67*/
+ char firmware_ver[16]; /*17, 68-83*/
+ char device_map[16]; /*21, 84-99*/
+ uint32_t cfgVersion; /*25, 100-103*/
+ uint8_t cfgSerial[16]; /*26, 104-119*/
+ uint32_t cfgPicStatus; /*30, 120-123*/
};
/* signature of set and get firmware config */
-#define ARCMSR_SIGNATURE_GET_CONFIG 0x87974060
-#define ARCMSR_SIGNATURE_SET_CONFIG 0x87974063
+#define ARCMSR_SIGNATURE_GET_CONFIG 0x87974060
+#define ARCMSR_SIGNATURE_SET_CONFIG 0x87974063
/* message code of inbound message register */
-#define ARCMSR_INBOUND_MESG0_NOP 0x00000000
-#define ARCMSR_INBOUND_MESG0_GET_CONFIG 0x00000001
-#define ARCMSR_INBOUND_MESG0_SET_CONFIG 0x00000002
-#define ARCMSR_INBOUND_MESG0_ABORT_CMD 0x00000003
-#define ARCMSR_INBOUND_MESG0_STOP_BGRB 0x00000004
-#define ARCMSR_INBOUND_MESG0_FLUSH_CACHE 0x00000005
-#define ARCMSR_INBOUND_MESG0_START_BGRB 0x00000006
-#define ARCMSR_INBOUND_MESG0_CHK331PENDING 0x00000007
-#define ARCMSR_INBOUND_MESG0_SYNC_TIMER 0x00000008
+#define ARCMSR_INBOUND_MESG0_NOP 0x00000000
+#define ARCMSR_INBOUND_MESG0_GET_CONFIG 0x00000001
+#define ARCMSR_INBOUND_MESG0_SET_CONFIG 0x00000002
+#define ARCMSR_INBOUND_MESG0_ABORT_CMD 0x00000003
+#define ARCMSR_INBOUND_MESG0_STOP_BGRB 0x00000004
+#define ARCMSR_INBOUND_MESG0_FLUSH_CACHE 0x00000005
+#define ARCMSR_INBOUND_MESG0_START_BGRB 0x00000006
+#define ARCMSR_INBOUND_MESG0_CHK331PENDING 0x00000007
+#define ARCMSR_INBOUND_MESG0_SYNC_TIMER 0x00000008
/* doorbell interrupt generator */
-#define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK 0x00000001
-#define ARCMSR_INBOUND_DRIVER_DATA_READ_OK 0x00000002
-#define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK 0x00000001
-#define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK 0x00000002
+#define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK 0x00000001
+#define ARCMSR_INBOUND_DRIVER_DATA_READ_OK 0x00000002
+#define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK 0x00000001
+#define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK 0x00000002
/* ccb areca cdb flag */
-#define ARCMSR_CCBPOST_FLAG_SGL_BSIZE 0x80000000
-#define ARCMSR_CCBPOST_FLAG_IAM_BIOS 0x40000000
-#define ARCMSR_CCBREPLY_FLAG_IAM_BIOS 0x40000000
-#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0 0x10000000
-#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1 0x00000001
+#define ARCMSR_CCBPOST_FLAG_SGL_BSIZE 0x80000000
+#define ARCMSR_CCBPOST_FLAG_IAM_BIOS 0x40000000
+#define ARCMSR_CCBREPLY_FLAG_IAM_BIOS 0x40000000
+#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0 0x10000000
+#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1 0x00000001
/* outbound firmware ok */
-#define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK 0x80000000
+#define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK 0x80000000
/* ARC-1680 Bus Reset*/
-#define ARCMSR_ARC1680_BUS_RESET 0x00000003
+#define ARCMSR_ARC1680_BUS_RESET 0x00000003
/* ARC-1880 Bus Reset*/
-#define ARCMSR_ARC1880_RESET_ADAPTER 0x00000024
-#define ARCMSR_ARC1880_DiagWrite_ENABLE 0x00000080
+#define ARCMSR_ARC1880_RESET_ADAPTER 0x00000024
+#define ARCMSR_ARC1880_DiagWrite_ENABLE 0x00000080
/*
************************************************************************
@@ -232,98 +238,101 @@ struct FIRMWARE_INFO
*/
/* ARECA HBB COMMAND for its FIRMWARE */
/* window of "instruction flags" from driver to iop */
-#define ARCMSR_DRV2IOP_DOORBELL 0x00020400
-#define ARCMSR_DRV2IOP_DOORBELL_MASK 0x00020404
+#define ARCMSR_DRV2IOP_DOORBELL 0x00020400
+#define ARCMSR_DRV2IOP_DOORBELL_MASK 0x00020404
/* window of "instruction flags" from iop to driver */
-#define ARCMSR_IOP2DRV_DOORBELL 0x00020408
-#define ARCMSR_IOP2DRV_DOORBELL_MASK 0x0002040C
+#define ARCMSR_IOP2DRV_DOORBELL 0x00020408
+#define ARCMSR_IOP2DRV_DOORBELL_MASK 0x0002040C
/* ARECA FLAG LANGUAGE */
/* ioctl transfer */
-#define ARCMSR_IOP2DRV_DATA_WRITE_OK 0x00000001
+#define ARCMSR_IOP2DRV_DATA_WRITE_OK 0x00000001
/* ioctl transfer */
-#define ARCMSR_IOP2DRV_DATA_READ_OK 0x00000002
-#define ARCMSR_IOP2DRV_CDB_DONE 0x00000004
-#define ARCMSR_IOP2DRV_MESSAGE_CMD_DONE 0x00000008
-
-#define ARCMSR_DOORBELL_HANDLE_INT 0x0000000F
-#define ARCMSR_DOORBELL_INT_CLEAR_PATTERN 0xFF00FFF0
-#define ARCMSR_MESSAGE_INT_CLEAR_PATTERN 0xFF00FFF7
+#define ARCMSR_IOP2DRV_DATA_READ_OK 0x00000002
+#define ARCMSR_IOP2DRV_CDB_DONE 0x00000004
+#define ARCMSR_IOP2DRV_MESSAGE_CMD_DONE 0x00000008
+
+#define ARCMSR_DOORBELL_HANDLE_INT 0x0000000F
+#define ARCMSR_DOORBELL_INT_CLEAR_PATTERN 0xFF00FFF0
+#define ARCMSR_MESSAGE_INT_CLEAR_PATTERN 0xFF00FFF7
/* (ARCMSR_INBOUND_MESG0_GET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
-#define ARCMSR_MESSAGE_GET_CONFIG 0x00010008
+#define ARCMSR_MESSAGE_GET_CONFIG 0x00010008
/* (ARCMSR_INBOUND_MESG0_SET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
-#define ARCMSR_MESSAGE_SET_CONFIG 0x00020008
+#define ARCMSR_MESSAGE_SET_CONFIG 0x00020008
/* (ARCMSR_INBOUND_MESG0_ABORT_CMD<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
-#define ARCMSR_MESSAGE_ABORT_CMD 0x00030008
+#define ARCMSR_MESSAGE_ABORT_CMD 0x00030008
/* (ARCMSR_INBOUND_MESG0_STOP_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
-#define ARCMSR_MESSAGE_STOP_BGRB 0x00040008
+#define ARCMSR_MESSAGE_STOP_BGRB 0x00040008
/* (ARCMSR_INBOUND_MESG0_FLUSH_CACHE<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
-#define ARCMSR_MESSAGE_FLUSH_CACHE 0x00050008
+#define ARCMSR_MESSAGE_FLUSH_CACHE 0x00050008
/* (ARCMSR_INBOUND_MESG0_START_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
-#define ARCMSR_MESSAGE_START_BGRB 0x00060008
-#define ARCMSR_MESSAGE_START_DRIVER_MODE 0x000E0008
-#define ARCMSR_MESSAGE_SET_POST_WINDOW 0x000F0008
-#define ARCMSR_MESSAGE_ACTIVE_EOI_MODE 0x00100008
+#define ARCMSR_MESSAGE_START_BGRB 0x00060008
+#define ARCMSR_MESSAGE_START_DRIVER_MODE 0x000E0008
+#define ARCMSR_MESSAGE_SET_POST_WINDOW 0x000F0008
+#define ARCMSR_MESSAGE_ACTIVE_EOI_MODE 0x00100008
/* ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK */
-#define ARCMSR_MESSAGE_FIRMWARE_OK 0x80000000
+#define ARCMSR_MESSAGE_FIRMWARE_OK 0x80000000
/* ioctl transfer */
-#define ARCMSR_DRV2IOP_DATA_WRITE_OK 0x00000001
+#define ARCMSR_DRV2IOP_DATA_WRITE_OK 0x00000001
/* ioctl transfer */
-#define ARCMSR_DRV2IOP_DATA_READ_OK 0x00000002
-#define ARCMSR_DRV2IOP_CDB_POSTED 0x00000004
-#define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED 0x00000008
-#define ARCMSR_DRV2IOP_END_OF_INTERRUPT 0x00000010
+#define ARCMSR_DRV2IOP_DATA_READ_OK 0x00000002
+#define ARCMSR_DRV2IOP_CDB_POSTED 0x00000004
+#define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED 0x00000008
+#define ARCMSR_DRV2IOP_END_OF_INTERRUPT 0x00000010
/* data tunnel buffer between user space program and its firmware */
/* user space data to iop 128bytes */
-#define ARCMSR_MESSAGE_WBUFFER 0x0000fe00
+#define ARCMSR_MESSAGE_WBUFFER 0x0000fe00
/* iop data to user space 128bytes */
-#define ARCMSR_MESSAGE_RBUFFER 0x0000ff00
+#define ARCMSR_MESSAGE_RBUFFER 0x0000ff00
/* iop message_rwbuffer for message command */
-#define ARCMSR_MESSAGE_RWBUFFER 0x0000fa00
+#define ARCMSR_MESSAGE_RWBUFFER 0x0000fa00
/*
************************************************************************
** SPEC. for Areca HBC adapter
************************************************************************
*/
-#define ARCMSR_HBC_ISR_THROTTLING_LEVEL 12
-#define ARCMSR_HBC_ISR_MAX_DONE_QUEUE 20
+#define ARCMSR_HBC_ISR_THROTTLING_LEVEL 12
+#define ARCMSR_HBC_ISR_MAX_DONE_QUEUE 20
/* Host Interrupt Mask */
-#define ARCMSR_HBCMU_UTILITY_A_ISR_MASK 0x00000001 /* When clear, the Utility_A interrupt routes to the host.*/
-#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK 0x00000004 /* When clear, the General Outbound Doorbell interrupt routes to the host.*/
-#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK 0x00000008 /* When clear, the Outbound Post List FIFO Not Empty interrupt routes to the host.*/
-#define ARCMSR_HBCMU_ALL_INTMASKENABLE 0x0000000D /* disable all ISR */
+#define ARCMSR_HBCMU_UTILITY_A_ISR_MASK 0x00000001
+#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK 0x00000004
+#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK 0x00000008
+#define ARCMSR_HBCMU_ALL_INTMASKENABLE 0x0000000D
/* Host Interrupt Status */
#define ARCMSR_HBCMU_UTILITY_A_ISR 0x00000001
- /*
- ** Set when the Utility_A Interrupt bit is set in the Outbound Doorbell Register.
- ** It clears by writing a 1 to the Utility_A bit in the Outbound Doorbell Clear Register or through automatic clearing (if enabled).
- */
+/*
+** Set when the Utility_A Interrupt bit is set
+** in the Outbound Doorbell Register.
+** It clears by writing a 1 to the Utility_A
+** bit in the Outbound Doorbell Clear Register
+** or through automatic clearing (if enabled).
+*/
#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR 0x00000004
- /*
- ** Set if Outbound Doorbell register bits 30:1 have a non-zero
- ** value. This bit clears only when Outbound Doorbell bits
- ** 30:1 are ALL clear. Only a write to the Outbound Doorbell
- ** Clear register clears bits in the Outbound Doorbell register.
- */
+/*
+** Set if Outbound Doorbell register bits 30:1 have a non-zero
+** value. This bit clears only when Outbound Doorbell bits
+** 30:1 are ALL clear. Only a write to the Outbound Doorbell
+** Clear register clears bits in the Outbound Doorbell register.
+*/
#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR 0x00000008
- /*
- ** Set whenever the Outbound Post List Producer/Consumer
- ** Register (FIFO) is not empty. It clears when the Outbound
- ** Post List FIFO is empty.
- */
+/*
+** Set whenever the Outbound Post List Producer/Consumer
+** Register (FIFO) is not empty. It clears when the Outbound
+** Post List FIFO is empty.
+*/
#define ARCMSR_HBCMU_SAS_ALL_INT 0x00000010
- /*
- ** This bit indicates a SAS interrupt from a source external to
- ** the PCIe core. This bit is not maskable.
- */
- /* DoorBell*/
-#define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK 0x00000002
-#define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK 0x00000004
+/*
+** This bit indicates a SAS interrupt from a source external to
+** the PCIe core. This bit is not maskable.
+*/
+/* DoorBell*/
+#define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK 0x00000002
+#define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK 0x00000004
/*inbound message 0 ready*/
-#define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE 0x00000008
+#define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE 0x00000008
/*more than 12 request completed in a time*/
-#define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING 0x00000010
-#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK 0x00000002
+#define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING 0x00000010
+#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK 0x00000002
/*outbound DATA WRITE isr door bell clear*/
#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_DOORBELL_CLEAR 0x00000002
#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK 0x00000004
@@ -337,40 +346,89 @@ struct FIRMWARE_INFO
#define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK 0x80000000
/*
*******************************************************************************
+** SPEC. for Areca Type D adapter
+*******************************************************************************
+*/
+#define ARCMSR_ARC1214_CHIP_ID 0x00004
+#define ARCMSR_ARC1214_CPU_MEMORY_CONFIGURATION 0x00008
+#define ARCMSR_ARC1214_I2_HOST_INTERRUPT_MASK 0x00034
+#define ARCMSR_ARC1214_SAMPLE_RESET 0x00100
+#define ARCMSR_ARC1214_RESET_REQUEST 0x00108
+#define ARCMSR_ARC1214_MAIN_INTERRUPT_STATUS 0x00200
+#define ARCMSR_ARC1214_PCIE_F0_INTERRUPT_ENABLE 0x0020C
+#define ARCMSR_ARC1214_INBOUND_MESSAGE0 0x00400
+#define ARCMSR_ARC1214_INBOUND_MESSAGE1 0x00404
+#define ARCMSR_ARC1214_OUTBOUND_MESSAGE0 0x00420
+#define ARCMSR_ARC1214_OUTBOUND_MESSAGE1 0x00424
+#define ARCMSR_ARC1214_INBOUND_DOORBELL 0x00460
+#define ARCMSR_ARC1214_OUTBOUND_DOORBELL 0x00480
+#define ARCMSR_ARC1214_OUTBOUND_DOORBELL_ENABLE 0x00484
+#define ARCMSR_ARC1214_INBOUND_LIST_BASE_LOW 0x01000
+#define ARCMSR_ARC1214_INBOUND_LIST_BASE_HIGH 0x01004
+#define ARCMSR_ARC1214_INBOUND_LIST_WRITE_POINTER 0x01018
+#define ARCMSR_ARC1214_OUTBOUND_LIST_BASE_LOW 0x01060
+#define ARCMSR_ARC1214_OUTBOUND_LIST_BASE_HIGH 0x01064
+#define ARCMSR_ARC1214_OUTBOUND_LIST_COPY_POINTER 0x0106C
+#define ARCMSR_ARC1214_OUTBOUND_LIST_READ_POINTER 0x01070
+#define ARCMSR_ARC1214_OUTBOUND_INTERRUPT_CAUSE 0x01088
+#define ARCMSR_ARC1214_OUTBOUND_INTERRUPT_ENABLE 0x0108C
+#define ARCMSR_ARC1214_MESSAGE_WBUFFER 0x02000
+#define ARCMSR_ARC1214_MESSAGE_RBUFFER 0x02100
+#define ARCMSR_ARC1214_MESSAGE_RWBUFFER 0x02200
+/* Host Interrupt Mask */
+#define ARCMSR_ARC1214_ALL_INT_ENABLE 0x00001010
+#define ARCMSR_ARC1214_ALL_INT_DISABLE 0x00000000
+/* Host Interrupt Status */
+#define ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR 0x00001000
+#define ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR 0x00000010
+/* DoorBell*/
+#define ARCMSR_ARC1214_DRV2IOP_DATA_IN_READY 0x00000001
+#define ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ 0x00000002
+/*inbound message 0 ready*/
+#define ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK 0x00000001
+/*outbound DATA WRITE isr door bell clear*/
+#define ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK 0x00000002
+/*outbound message 0 ready*/
+#define ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE 0x02000000
+/*outbound message cmd isr door bell clear*/
+/*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
+#define ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK 0x80000000
+#define ARCMSR_ARC1214_OUTBOUND_LIST_INTERRUPT_CLEAR 0x00000001
+/*
+*******************************************************************************
** ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
*******************************************************************************
*/
struct ARCMSR_CDB
{
- uint8_t Bus;
- uint8_t TargetID;
- uint8_t LUN;
- uint8_t Function;
- uint8_t CdbLength;
- uint8_t sgcount;
- uint8_t Flags;
-#define ARCMSR_CDB_FLAG_SGL_BSIZE 0x01
-#define ARCMSR_CDB_FLAG_BIOS 0x02
-#define ARCMSR_CDB_FLAG_WRITE 0x04
-#define ARCMSR_CDB_FLAG_SIMPLEQ 0x00
-#define ARCMSR_CDB_FLAG_HEADQ 0x08
-#define ARCMSR_CDB_FLAG_ORDEREDQ 0x10
-
- uint8_t msgPages;
- uint32_t Context;
- uint32_t DataLength;
- uint8_t Cdb[16];
- uint8_t DeviceStatus;
-#define ARCMSR_DEV_CHECK_CONDITION 0x02
-#define ARCMSR_DEV_SELECT_TIMEOUT 0xF0
-#define ARCMSR_DEV_ABORTED 0xF1
-#define ARCMSR_DEV_INIT_FAIL 0xF2
-
- uint8_t SenseData[15];
- union
- {
- struct SG32ENTRY sg32entry[1];
- struct SG64ENTRY sg64entry[1];
+ uint8_t Bus;
+ uint8_t TargetID;
+ uint8_t LUN;
+ uint8_t Function;
+ uint8_t CdbLength;
+ uint8_t sgcount;
+ uint8_t Flags;
+#define ARCMSR_CDB_FLAG_SGL_BSIZE 0x01
+#define ARCMSR_CDB_FLAG_BIOS 0x02
+#define ARCMSR_CDB_FLAG_WRITE 0x04
+#define ARCMSR_CDB_FLAG_SIMPLEQ 0x00
+#define ARCMSR_CDB_FLAG_HEADQ 0x08
+#define ARCMSR_CDB_FLAG_ORDEREDQ 0x10
+
+ uint8_t msgPages;
+ uint32_t msgContext;
+ uint32_t DataLength;
+ uint8_t Cdb[16];
+ uint8_t DeviceStatus;
+#define ARCMSR_DEV_CHECK_CONDITION 0x02
+#define ARCMSR_DEV_SELECT_TIMEOUT 0xF0
+#define ARCMSR_DEV_ABORTED 0xF1
+#define ARCMSR_DEV_INIT_FAIL 0xF2
+
+ uint8_t SenseData[15];
+ union {
+ struct SG32ENTRY sg32entry[1];
+ struct SG64ENTRY sg64entry[1];
} u;
};
/*
@@ -380,118 +438,162 @@ struct ARCMSR_CDB
*/
struct MessageUnit_A
{
- uint32_t resrved0[4]; /*0000 000F*/
- uint32_t inbound_msgaddr0; /*0010 0013*/
- uint32_t inbound_msgaddr1; /*0014 0017*/
- uint32_t outbound_msgaddr0; /*0018 001B*/
- uint32_t outbound_msgaddr1; /*001C 001F*/
- uint32_t inbound_doorbell; /*0020 0023*/
- uint32_t inbound_intstatus; /*0024 0027*/
- uint32_t inbound_intmask; /*0028 002B*/
- uint32_t outbound_doorbell; /*002C 002F*/
- uint32_t outbound_intstatus; /*0030 0033*/
- uint32_t outbound_intmask; /*0034 0037*/
- uint32_t reserved1[2]; /*0038 003F*/
- uint32_t inbound_queueport; /*0040 0043*/
- uint32_t outbound_queueport; /*0044 0047*/
- uint32_t reserved2[2]; /*0048 004F*/
- uint32_t reserved3[492]; /*0050 07FF 492*/
- uint32_t reserved4[128]; /*0800 09FF 128*/
- uint32_t message_rwbuffer[256]; /*0a00 0DFF 256*/
- uint32_t message_wbuffer[32]; /*0E00 0E7F 32*/
- uint32_t reserved5[32]; /*0E80 0EFF 32*/
- uint32_t message_rbuffer[32]; /*0F00 0F7F 32*/
- uint32_t reserved6[32]; /*0F80 0FFF 32*/
+ uint32_t resrved0[4]; /*0000 000F*/
+ uint32_t inbound_msgaddr0; /*0010 0013*/
+ uint32_t inbound_msgaddr1; /*0014 0017*/
+ uint32_t outbound_msgaddr0; /*0018 001B*/
+ uint32_t outbound_msgaddr1; /*001C 001F*/
+ uint32_t inbound_doorbell; /*0020 0023*/
+ uint32_t inbound_intstatus; /*0024 0027*/
+ uint32_t inbound_intmask; /*0028 002B*/
+ uint32_t outbound_doorbell; /*002C 002F*/
+ uint32_t outbound_intstatus; /*0030 0033*/
+ uint32_t outbound_intmask; /*0034 0037*/
+ uint32_t reserved1[2]; /*0038 003F*/
+ uint32_t inbound_queueport; /*0040 0043*/
+ uint32_t outbound_queueport; /*0044 0047*/
+ uint32_t reserved2[2]; /*0048 004F*/
+ uint32_t reserved3[492]; /*0050 07FF 492*/
+ uint32_t reserved4[128]; /*0800 09FF 128*/
+ uint32_t message_rwbuffer[256]; /*0a00 0DFF 256*/
+ uint32_t message_wbuffer[32]; /*0E00 0E7F 32*/
+ uint32_t reserved5[32]; /*0E80 0EFF 32*/
+ uint32_t message_rbuffer[32]; /*0F00 0F7F 32*/
+ uint32_t reserved6[32]; /*0F80 0FFF 32*/
};
struct MessageUnit_B
{
- uint32_t post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
- uint32_t done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
- uint32_t postq_index;
- uint32_t doneq_index;
- uint32_t __iomem *drv2iop_doorbell;
- uint32_t __iomem *drv2iop_doorbell_mask;
- uint32_t __iomem *iop2drv_doorbell;
- uint32_t __iomem *iop2drv_doorbell_mask;
- uint32_t __iomem *message_rwbuffer;
- uint32_t __iomem *message_wbuffer;
- uint32_t __iomem *message_rbuffer;
+ uint32_t post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
+ uint32_t done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
+ uint32_t postq_index;
+ uint32_t doneq_index;
+ uint32_t __iomem *drv2iop_doorbell;
+ uint32_t __iomem *drv2iop_doorbell_mask;
+ uint32_t __iomem *iop2drv_doorbell;
+ uint32_t __iomem *iop2drv_doorbell_mask;
+ uint32_t __iomem *message_rwbuffer;
+ uint32_t __iomem *message_wbuffer;
+ uint32_t __iomem *message_rbuffer;
};
/*
*********************************************************************
** LSI
*********************************************************************
*/
-struct MessageUnit_C{
- uint32_t message_unit_status; /*0000 0003*/
- uint32_t slave_error_attribute; /*0004 0007*/
- uint32_t slave_error_address; /*0008 000B*/
- uint32_t posted_outbound_doorbell; /*000C 000F*/
- uint32_t master_error_attribute; /*0010 0013*/
- uint32_t master_error_address_low; /*0014 0017*/
- uint32_t master_error_address_high; /*0018 001B*/
- uint32_t hcb_size; /*001C 001F*/
- uint32_t inbound_doorbell; /*0020 0023*/
- uint32_t diagnostic_rw_data; /*0024 0027*/
- uint32_t diagnostic_rw_address_low; /*0028 002B*/
- uint32_t diagnostic_rw_address_high; /*002C 002F*/
- uint32_t host_int_status; /*0030 0033*/
- uint32_t host_int_mask; /*0034 0037*/
- uint32_t dcr_data; /*0038 003B*/
- uint32_t dcr_address; /*003C 003F*/
- uint32_t inbound_queueport; /*0040 0043*/
- uint32_t outbound_queueport; /*0044 0047*/
- uint32_t hcb_pci_address_low; /*0048 004B*/
- uint32_t hcb_pci_address_high; /*004C 004F*/
- uint32_t iop_int_status; /*0050 0053*/
- uint32_t iop_int_mask; /*0054 0057*/
- uint32_t iop_inbound_queue_port; /*0058 005B*/
- uint32_t iop_outbound_queue_port; /*005C 005F*/
- uint32_t inbound_free_list_index; /*0060 0063*/
- uint32_t inbound_post_list_index; /*0064 0067*/
- uint32_t outbound_free_list_index; /*0068 006B*/
- uint32_t outbound_post_list_index; /*006C 006F*/
- uint32_t inbound_doorbell_clear; /*0070 0073*/
- uint32_t i2o_message_unit_control; /*0074 0077*/
- uint32_t last_used_message_source_address_low; /*0078 007B*/
- uint32_t last_used_message_source_address_high; /*007C 007F*/
- uint32_t pull_mode_data_byte_count[4]; /*0080 008F*/
- uint32_t message_dest_address_index; /*0090 0093*/
- uint32_t done_queue_not_empty_int_counter_timer; /*0094 0097*/
- uint32_t utility_A_int_counter_timer; /*0098 009B*/
- uint32_t outbound_doorbell; /*009C 009F*/
- uint32_t outbound_doorbell_clear; /*00A0 00A3*/
- uint32_t message_source_address_index; /*00A4 00A7*/
- uint32_t message_done_queue_index; /*00A8 00AB*/
- uint32_t reserved0; /*00AC 00AF*/
- uint32_t inbound_msgaddr0; /*00B0 00B3*/
- uint32_t inbound_msgaddr1; /*00B4 00B7*/
- uint32_t outbound_msgaddr0; /*00B8 00BB*/
- uint32_t outbound_msgaddr1; /*00BC 00BF*/
- uint32_t inbound_queueport_low; /*00C0 00C3*/
- uint32_t inbound_queueport_high; /*00C4 00C7*/
- uint32_t outbound_queueport_low; /*00C8 00CB*/
- uint32_t outbound_queueport_high; /*00CC 00CF*/
- uint32_t iop_inbound_queue_port_low; /*00D0 00D3*/
- uint32_t iop_inbound_queue_port_high; /*00D4 00D7*/
- uint32_t iop_outbound_queue_port_low; /*00D8 00DB*/
- uint32_t iop_outbound_queue_port_high; /*00DC 00DF*/
- uint32_t message_dest_queue_port_low; /*00E0 00E3*/
- uint32_t message_dest_queue_port_high; /*00E4 00E7*/
- uint32_t last_used_message_dest_address_low; /*00E8 00EB*/
- uint32_t last_used_message_dest_address_high; /*00EC 00EF*/
- uint32_t message_done_queue_base_address_low; /*00F0 00F3*/
- uint32_t message_done_queue_base_address_high; /*00F4 00F7*/
- uint32_t host_diagnostic; /*00F8 00FB*/
- uint32_t write_sequence; /*00FC 00FF*/
- uint32_t reserved1[34]; /*0100 0187*/
- uint32_t reserved2[1950]; /*0188 1FFF*/
- uint32_t message_wbuffer[32]; /*2000 207F*/
- uint32_t reserved3[32]; /*2080 20FF*/
- uint32_t message_rbuffer[32]; /*2100 217F*/
- uint32_t reserved4[32]; /*2180 21FF*/
- uint32_t msgcode_rwbuffer[256]; /*2200 23FF*/
+struct MessageUnit_C {
+ uint32_t message_unit_status; /*0000 0003*/
+ uint32_t slave_error_attribute; /*0004 0007*/
+ uint32_t slave_error_address; /*0008 000B*/
+ uint32_t posted_outbound_doorbell; /*000C 000F*/
+ uint32_t master_error_attribute; /*0010 0013*/
+ uint32_t master_error_address_low; /*0014 0017*/
+ uint32_t master_error_address_high; /*0018 001B*/
+ uint32_t hcb_size; /*001C 001F*/
+ uint32_t inbound_doorbell; /*0020 0023*/
+ uint32_t diagnostic_rw_data; /*0024 0027*/
+ uint32_t diagnostic_rw_address_low; /*0028 002B*/
+ uint32_t diagnostic_rw_address_high; /*002C 002F*/
+ uint32_t host_int_status; /*0030 0033*/
+ uint32_t host_int_mask; /*0034 0037*/
+ uint32_t dcr_data; /*0038 003B*/
+ uint32_t dcr_address; /*003C 003F*/
+ uint32_t inbound_queueport; /*0040 0043*/
+ uint32_t outbound_queueport; /*0044 0047*/
+ uint32_t hcb_pci_address_low; /*0048 004B*/
+ uint32_t hcb_pci_address_high; /*004C 004F*/
+ uint32_t iop_int_status; /*0050 0053*/
+ uint32_t iop_int_mask; /*0054 0057*/
+ uint32_t iop_inbound_queue_port; /*0058 005B*/
+ uint32_t iop_outbound_queue_port; /*005C 005F*/
+ uint32_t inbound_free_list_index; /*0060 0063*/
+ uint32_t inbound_post_list_index; /*0064 0067*/
+ uint32_t outbound_free_list_index; /*0068 006B*/
+ uint32_t outbound_post_list_index; /*006C 006F*/
+ uint32_t inbound_doorbell_clear; /*0070 0073*/
+ uint32_t i2o_message_unit_control; /*0074 0077*/
+ uint32_t last_used_message_source_address_low; /*0078 007B*/
+ uint32_t last_used_message_source_address_high; /*007C 007F*/
+ uint32_t pull_mode_data_byte_count[4]; /*0080 008F*/
+ uint32_t message_dest_address_index; /*0090 0093*/
+ uint32_t done_queue_not_empty_int_counter_timer; /*0094 0097*/
+ uint32_t utility_A_int_counter_timer; /*0098 009B*/
+ uint32_t outbound_doorbell; /*009C 009F*/
+ uint32_t outbound_doorbell_clear; /*00A0 00A3*/
+ uint32_t message_source_address_index; /*00A4 00A7*/
+ uint32_t message_done_queue_index; /*00A8 00AB*/
+ uint32_t reserved0; /*00AC 00AF*/
+ uint32_t inbound_msgaddr0; /*00B0 00B3*/
+ uint32_t inbound_msgaddr1; /*00B4 00B7*/
+ uint32_t outbound_msgaddr0; /*00B8 00BB*/
+ uint32_t outbound_msgaddr1; /*00BC 00BF*/
+ uint32_t inbound_queueport_low; /*00C0 00C3*/
+ uint32_t inbound_queueport_high; /*00C4 00C7*/
+ uint32_t outbound_queueport_low; /*00C8 00CB*/
+ uint32_t outbound_queueport_high; /*00CC 00CF*/
+ uint32_t iop_inbound_queue_port_low; /*00D0 00D3*/
+ uint32_t iop_inbound_queue_port_high; /*00D4 00D7*/
+ uint32_t iop_outbound_queue_port_low; /*00D8 00DB*/
+ uint32_t iop_outbound_queue_port_high; /*00DC 00DF*/
+ uint32_t message_dest_queue_port_low; /*00E0 00E3*/
+ uint32_t message_dest_queue_port_high; /*00E4 00E7*/
+ uint32_t last_used_message_dest_address_low; /*00E8 00EB*/
+ uint32_t last_used_message_dest_address_high; /*00EC 00EF*/
+ uint32_t message_done_queue_base_address_low; /*00F0 00F3*/
+ uint32_t message_done_queue_base_address_high; /*00F4 00F7*/
+ uint32_t host_diagnostic; /*00F8 00FB*/
+ uint32_t write_sequence; /*00FC 00FF*/
+ uint32_t reserved1[34]; /*0100 0187*/
+ uint32_t reserved2[1950]; /*0188 1FFF*/
+ uint32_t message_wbuffer[32]; /*2000 207F*/
+ uint32_t reserved3[32]; /*2080 20FF*/
+ uint32_t message_rbuffer[32]; /*2100 217F*/
+ uint32_t reserved4[32]; /*2180 21FF*/
+ uint32_t msgcode_rwbuffer[256]; /*2200 23FF*/
+};
+struct InBound_SRB {
+ uint32_t addressLow;/*pointer to SRB block*/
+ uint32_t addressHigh;
+ uint32_t length;/*in DWORDs*/
+ uint32_t reserved0;
+};
+
+struct OutBound_SRB {
+ uint32_t addressLow;/*pointer to SRB block*/
+ uint32_t addressHigh;
+};
+
+struct MessageUnit_D {
+ struct InBound_SRB post_qbuffer[ARCMSR_MAX_ARC1214_POSTQUEUE];
+ struct OutBound_SRB done_qbuffer[ARCMSR_MAX_ARC1214_DONEQUEUE];
+ u16 postq_index;
+ u16 doneq_index;
+ u32 __iomem *chip_id; /*0x00004*/
+ u32 __iomem *cpu_mem_config; /*0x00008*/
+ u32 __iomem *i2o_host_interrupt_mask; /*0x00034*/
+ u32 __iomem *sample_at_reset; /*0x00100*/
+ u32 __iomem *reset_request; /*0x00108*/
+ u32 __iomem *host_int_status; /*0x00200*/
+ u32 __iomem *pcief0_int_enable; /*0x0020C*/
+ u32 __iomem *inbound_msgaddr0; /*0x00400*/
+ u32 __iomem *inbound_msgaddr1; /*0x00404*/
+ u32 __iomem *outbound_msgaddr0; /*0x00420*/
+ u32 __iomem *outbound_msgaddr1; /*0x00424*/
+ u32 __iomem *inbound_doorbell; /*0x00460*/
+ u32 __iomem *outbound_doorbell; /*0x00480*/
+ u32 __iomem *outbound_doorbell_enable; /*0x00484*/
+ u32 __iomem *inboundlist_base_low; /*0x01000*/
+ u32 __iomem *inboundlist_base_high; /*0x01004*/
+ u32 __iomem *inboundlist_write_pointer; /*0x01018*/
+ u32 __iomem *outboundlist_base_low; /*0x01060*/
+ u32 __iomem *outboundlist_base_high; /*0x01064*/
+ u32 __iomem *outboundlist_copy_pointer; /*0x0106C*/
+ u32 __iomem *outboundlist_read_pointer; /*0x01070 0x01072*/
+ u32 __iomem *outboundlist_interrupt_cause; /*0x1088*/
+ u32 __iomem *outboundlist_interrupt_enable; /*0x108C*/
+ u32 __iomem *message_wbuffer; /*0x2000*/
+ u32 __iomem *message_rbuffer; /*0x2100*/
+ u32 __iomem *msgcode_rwbuffer; /*0x2200*/
};
/*
*******************************************************************************
@@ -500,100 +602,110 @@ struct MessageUnit_C{
*/
struct AdapterControlBlock
{
- uint32_t adapter_type; /* adapter A,B..... */
- #define ACB_ADAPTER_TYPE_A 0x00000001 /* hba I IOP */
- #define ACB_ADAPTER_TYPE_B 0x00000002 /* hbb M IOP */
- #define ACB_ADAPTER_TYPE_C 0x00000004 /* hbc P IOP */
- #define ACB_ADAPTER_TYPE_D 0x00000008 /* hbd A IOP */
- struct pci_dev * pdev;
- struct Scsi_Host * host;
- unsigned long vir2phy_offset;
+ uint32_t adapter_type; /* adapter A,B..... */
+ #define ACB_ADAPTER_TYPE_A 0x00000001 /* hba I IOP */
+ #define ACB_ADAPTER_TYPE_B 0x00000002 /* hbb M IOP */
+ #define ACB_ADAPTER_TYPE_C 0x00000004 /* hbc P IOP */
+ #define ACB_ADAPTER_TYPE_D 0x00000008 /* hbd A IOP */
+ u32 roundup_ccbsize;
+ struct pci_dev *pdev;
+ struct Scsi_Host *host;
+ unsigned long vir2phy_offset;
+ struct msix_entry entries[ARCMST_NUM_MSIX_VECTORS];
/* Offset is used in making arc cdb physical to virtual calculations */
- uint32_t outbound_int_enable;
- uint32_t cdb_phyaddr_hi32;
- uint32_t reg_mu_acc_handle0;
- spinlock_t eh_lock;
- spinlock_t ccblist_lock;
+ uint32_t outbound_int_enable;
+ uint32_t cdb_phyaddr_hi32;
+ spinlock_t eh_lock;
+ spinlock_t ccblist_lock;
+ spinlock_t postq_lock;
+ spinlock_t doneq_lock;
+ spinlock_t rqbuffer_lock;
+ spinlock_t wqbuffer_lock;
union {
struct MessageUnit_A __iomem *pmuA;
- struct MessageUnit_B *pmuB;
+ struct MessageUnit_B *pmuB;
struct MessageUnit_C __iomem *pmuC;
+ struct MessageUnit_D __iomem *pmuD;
};
/* message unit ATU inbound base address0 */
void __iomem *mem_base0;
void __iomem *mem_base1;
- uint32_t acb_flags;
- u16 dev_id;
- uint8_t adapter_index;
- #define ACB_F_SCSISTOPADAPTER 0x0001
- #define ACB_F_MSG_STOP_BGRB 0x0002
+ uint32_t acb_flags;
+ u16 dev_id;
+ uint8_t adapter_index;
+ #define ACB_F_SCSISTOPADAPTER 0x0001
+ #define ACB_F_MSG_STOP_BGRB 0x0002
/* stop RAID background rebuild */
- #define ACB_F_MSG_START_BGRB 0x0004
+ #define ACB_F_MSG_START_BGRB 0x0004
/* stop RAID background rebuild */
- #define ACB_F_IOPDATA_OVERFLOW 0x0008
+ #define ACB_F_IOPDATA_OVERFLOW 0x0008
/* iop message data rqbuffer overflow */
#define ACB_F_MESSAGE_WQBUFFER_CLEARED 0x0010
/* message clear wqbuffer */
- #define ACB_F_MESSAGE_RQBUFFER_CLEARED 0x0020
+ #define ACB_F_MESSAGE_RQBUFFER_CLEARED 0x0020
/* message clear rqbuffer */
- #define ACB_F_MESSAGE_WQBUFFER_READED 0x0040
- #define ACB_F_BUS_RESET 0x0080
- #define ACB_F_BUS_HANG_ON 0x0800/* need hardware reset bus */
+ #define ACB_F_MESSAGE_WQBUFFER_READED 0x0040
+ #define ACB_F_BUS_RESET 0x0080
+ #define ACB_F_BUS_HANG_ON 0x0800
- #define ACB_F_IOP_INITED 0x0100
+ #define ACB_F_IOP_INITED 0x0100
/* iop init */
#define ACB_F_ABORT 0x0200
- #define ACB_F_FIRMWARE_TRAP 0x0400
- struct CommandControlBlock * pccb_pool[ARCMSR_MAX_FREECCB_NUM];
+ #define ACB_F_FIRMWARE_TRAP 0x0400
+ #define ACB_F_MSI_ENABLED 0x1000
+ #define ACB_F_MSIX_ENABLED 0x2000
+ struct CommandControlBlock *pccb_pool[ARCMSR_MAX_FREECCB_NUM];
/* used for memory free */
- struct list_head ccb_free_list;
+ struct list_head ccb_free_list;
/* head of free ccb list */
- atomic_t ccboutstandingcount;
+ atomic_t ccboutstandingcount;
/*The present outstanding command number that in the IOP that
waiting for being handled by FW*/
- void * dma_coherent;
+ void *dma_coherent;
/* dma_coherent used for memory free */
- dma_addr_t dma_coherent_handle;
+ dma_addr_t dma_coherent_handle;
/* dma_coherent_handle used for memory free */
- dma_addr_t dma_coherent_handle_hbb_mu;
- unsigned int uncache_size;
- uint8_t rqbuffer[ARCMSR_MAX_QBUFFER];
+ dma_addr_t dma_coherent_handle2;
+ void *dma_coherent2;
+ unsigned int uncache_size;
+ uint8_t rqbuffer[ARCMSR_MAX_QBUFFER];
/* data collection buffer for read from 80331 */
- int32_t rqbuf_firstindex;
+ uint32_t rqbuf_firstindex;
/* first of read buffer */
- int32_t rqbuf_lastindex;
+ uint32_t rqbuf_lastindex;
/* last of read buffer */
- uint8_t wqbuffer[ARCMSR_MAX_QBUFFER];
+ uint8_t wqbuffer[ARCMSR_MAX_QBUFFER];
/* data collection buffer for write to 80331 */
- int32_t wqbuf_firstindex;
+ uint32_t wqbuf_firstindex;
/* first of write buffer */
- int32_t wqbuf_lastindex;
+ uint32_t wqbuf_lastindex;
/* last of write buffer */
- uint8_t devstate[ARCMSR_MAX_TARGETID][ARCMSR_MAX_TARGETLUN];
+ uint8_t devstate[ARCMSR_MAX_TARGETID][ARCMSR_MAX_TARGETLUN];
/* id0 ..... id15, lun0...lun7 */
-#define ARECA_RAID_GONE 0x55
-#define ARECA_RAID_GOOD 0xaa
- uint32_t num_resets;
- uint32_t num_aborts;
- uint32_t signature;
- uint32_t firm_request_len;
- uint32_t firm_numbers_queue;
- uint32_t firm_sdram_size;
- uint32_t firm_hd_channels;
- uint32_t firm_cfg_version;
- char firm_model[12];
- char firm_version[20];
- char device_map[20]; /*21,84-99*/
- struct work_struct arcmsr_do_message_isr_bh;
- struct timer_list eternal_timer;
- unsigned short fw_flag;
- #define FW_NORMAL 0x0000
- #define FW_BOG 0x0001
- #define FW_DEADLOCK 0x0010
- atomic_t rq_map_token;
- atomic_t ante_token_value;
+#define ARECA_RAID_GONE 0x55
+#define ARECA_RAID_GOOD 0xaa
+ uint32_t num_resets;
+ uint32_t num_aborts;
+ uint32_t signature;
+ uint32_t firm_request_len;
+ uint32_t firm_numbers_queue;
+ uint32_t firm_sdram_size;
+ uint32_t firm_hd_channels;
+ uint32_t firm_cfg_version;
+ char firm_model[12];
+ char firm_version[20];
+ char device_map[20]; /*21,84-99*/
+ struct work_struct arcmsr_do_message_isr_bh;
+ struct timer_list eternal_timer;
+ unsigned short fw_flag;
+ #define FW_NORMAL 0x0000
+ #define FW_BOG 0x0001
+ #define FW_DEADLOCK 0x0010
+ atomic_t rq_map_token;
+ atomic_t ante_token_value;
+ uint32_t maxOutstanding;
};/* HW_DEVICE_EXTENSION */
/*
*******************************************************************************
@@ -601,33 +713,33 @@ struct AdapterControlBlock
** this CCB length must be 32 bytes boundary
*******************************************************************************
*/
-struct CommandControlBlock{
- /*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/
- struct list_head list; /*x32: 8byte, x64: 16byte*/
- struct scsi_cmnd *pcmd; /*8 bytes pointer of linux scsi command */
- struct AdapterControlBlock *acb; /*x32: 4byte, x64: 8byte*/
- uint32_t cdb_phyaddr_pattern; /*x32: 4byte, x64: 4byte*/
- uint32_t arc_cdb_size; /*x32:4byte,x64:4byte*/
- uint16_t ccb_flags; /*x32: 2byte, x64: 2byte*/
- #define CCB_FLAG_READ 0x0000
- #define CCB_FLAG_WRITE 0x0001
- #define CCB_FLAG_ERROR 0x0002
- #define CCB_FLAG_FLUSHCACHE 0x0004
- #define CCB_FLAG_MASTER_ABORTED 0x0008
- uint16_t startdone; /*x32:2byte,x32:2byte*/
- #define ARCMSR_CCB_DONE 0x0000
- #define ARCMSR_CCB_START 0x55AA
- #define ARCMSR_CCB_ABORTED 0xAA55
- #define ARCMSR_CCB_ILLEGAL 0xFFFF
+struct CommandControlBlock {
+/*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/
+ struct list_head list;
+ struct scsi_cmnd *pcmd;
+ struct AdapterControlBlock *acb;
+ uint32_t cdb_phyaddr;
+ uint32_t arc_cdb_size;
+ uint16_t ccb_flags;
+ #define CCB_FLAG_READ 0x0000
+ #define CCB_FLAG_WRITE 0x0001
+ #define CCB_FLAG_ERROR 0x0002
+ #define CCB_FLAG_FLUSHCACHE 0x0004
+ #define CCB_FLAG_MASTER_ABORTED 0x0008
+ uint16_t startdone;
+ #define ARCMSR_CCB_DONE 0x0000
+ #define ARCMSR_CCB_START 0x55AA
+ #define ARCMSR_CCB_ABORTED 0xAA55
+ #define ARCMSR_CCB_ILLEGAL 0xFFFF
#if BITS_PER_LONG == 64
/* ======================512+64 bytes======================== */
- uint32_t reserved[5]; /*24 byte*/
+ uint32_t reserved[5]; /*24 byte*/
#else
- /* ======================512+32 bytes======================== */
- uint32_t reserved; /*8 byte*/
+ /*======================512+32 bytes========================*/
+ uint32_t reserved; /*8 byte*/
#endif
- /* ======================================================= */
- struct ARCMSR_CDB arcmsr_cdb;
+ /*=======================================================*/
+ struct ARCMSR_CDB arcmsr_cdb;
};
/*
*******************************************************************************
@@ -636,53 +748,53 @@ struct CommandControlBlock{
*/
struct SENSE_DATA
{
- uint8_t ErrorCode:7;
+ uint8_t ErrorCode:7;
#define SCSI_SENSE_CURRENT_ERRORS 0x70
#define SCSI_SENSE_DEFERRED_ERRORS 0x71
- uint8_t Valid:1;
- uint8_t SegmentNumber;
- uint8_t SenseKey:4;
- uint8_t Reserved:1;
- uint8_t IncorrectLength:1;
- uint8_t EndOfMedia:1;
- uint8_t FileMark:1;
- uint8_t Information[4];
- uint8_t AdditionalSenseLength;
- uint8_t CommandSpecificInformation[4];
- uint8_t AdditionalSenseCode;
- uint8_t AdditionalSenseCodeQualifier;
- uint8_t FieldReplaceableUnitCode;
- uint8_t SenseKeySpecific[3];
+ uint8_t Valid:1;
+ uint8_t SegmentNumber;
+ uint8_t SenseKey:4;
+ uint8_t Reserved:1;
+ uint8_t IncorrectLength:1;
+ uint8_t EndOfMedia:1;
+ uint8_t FileMark:1;
+ uint8_t Information[4];
+ uint8_t AdditionalSenseLength;
+ uint8_t CommandSpecificInformation[4];
+ uint8_t AdditionalSenseCode;
+ uint8_t AdditionalSenseCodeQualifier;
+ uint8_t FieldReplaceableUnitCode;
+ uint8_t SenseKeySpecific[3];
};
/*
*******************************************************************************
** Outbound Interrupt Status Register - OISR
*******************************************************************************
*/
-#define ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG 0x30
-#define ARCMSR_MU_OUTBOUND_PCI_INT 0x10
-#define ARCMSR_MU_OUTBOUND_POSTQUEUE_INT 0x08
-#define ARCMSR_MU_OUTBOUND_DOORBELL_INT 0x04
-#define ARCMSR_MU_OUTBOUND_MESSAGE1_INT 0x02
-#define ARCMSR_MU_OUTBOUND_MESSAGE0_INT 0x01
-#define ARCMSR_MU_OUTBOUND_HANDLE_INT \
- (ARCMSR_MU_OUTBOUND_MESSAGE0_INT \
- |ARCMSR_MU_OUTBOUND_MESSAGE1_INT \
- |ARCMSR_MU_OUTBOUND_DOORBELL_INT \
- |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT \
- |ARCMSR_MU_OUTBOUND_PCI_INT)
+#define ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG 0x30
+#define ARCMSR_MU_OUTBOUND_PCI_INT 0x10
+#define ARCMSR_MU_OUTBOUND_POSTQUEUE_INT 0x08
+#define ARCMSR_MU_OUTBOUND_DOORBELL_INT 0x04
+#define ARCMSR_MU_OUTBOUND_MESSAGE1_INT 0x02
+#define ARCMSR_MU_OUTBOUND_MESSAGE0_INT 0x01
+#define ARCMSR_MU_OUTBOUND_HANDLE_INT \
+ (ARCMSR_MU_OUTBOUND_MESSAGE0_INT \
+ |ARCMSR_MU_OUTBOUND_MESSAGE1_INT \
+ |ARCMSR_MU_OUTBOUND_DOORBELL_INT \
+ |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT \
+ |ARCMSR_MU_OUTBOUND_PCI_INT)
/*
*******************************************************************************
** Outbound Interrupt Mask Register - OIMR
*******************************************************************************
*/
-#define ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG 0x34
-#define ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE 0x10
-#define ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE 0x08
-#define ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE 0x04
-#define ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE 0x02
-#define ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE 0x01
-#define ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE 0x1F
+#define ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG 0x34
+#define ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE 0x10
+#define ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE 0x08
+#define ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE 0x04
+#define ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE 0x02
+#define ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE 0x01
+#define ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE 0x1F
extern void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *);
extern void arcmsr_iop_message_read(struct AdapterControlBlock *);
diff -uprN a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
--- a/drivers/scsi/arcmsr/arcmsr_hba.c 2013-07-01 06:13:28.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c 2013-05-07 19:12:12.000000000 +0800
@@ -2,7 +2,7 @@
*******************************************************************************
** O.S : Linux
** FILE NAME : arcmsr_hba.c
-** BY : Nick Cheng
+** BY : Nick Cheng, C.L. Huang
** Description: SCSI RAID Device Driver for
** ARECA RAID Host adapter
*******************************************************************************
@@ -71,12 +71,12 @@
#include <scsi/scsicam.h>
#include "arcmsr.h"
MODULE_AUTHOR("Nick Cheng <support@areca.com.tw>");
-MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx/1880) SATA/SAS RAID Host Bus Adapter");
+MODULE_DESCRIPTION("Areca SAS,SATA RAID Controller Driver");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(ARCMSR_DRIVER_VERSION);
-#define ARCMSR_SLEEPTIME 10
-#define ARCMSR_RETRYCOUNT 12
+#define ARCMSR_SLEEPTIME 10
+#define ARCMSR_RETRYCOUNT 12
wait_queue_head_t wait_q;
static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
@@ -89,22 +89,27 @@ static int arcmsr_bios_param(struct scsi
static int arcmsr_queue_command(struct Scsi_Host *h, struct scsi_cmnd *cmd);
static int arcmsr_probe(struct pci_dev *pdev,
const struct pci_device_id *id);
+static int arcmsr_suspend(struct pci_dev *pdev, pm_message_t state);
+static int arcmsr_resume(struct pci_dev *pdev);
static void arcmsr_remove(struct pci_dev *pdev);
static void arcmsr_shutdown(struct pci_dev *pdev);
static void arcmsr_iop_init(struct AdapterControlBlock *acb);
static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb);
static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb);
+static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
+ u32 orig_mask);
static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb);
-static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb);
-static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb);
+static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb);
+static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb);
static void arcmsr_request_device_map(unsigned long pacb);
-static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb);
-static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb);
-static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb);
+static void arcmsr_hbaA_request_device_map(struct AdapterControlBlock *acb);
+static void arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb);
+static void arcmsr_hbaC_request_device_map(struct AdapterControlBlock *acb);
static void arcmsr_message_isr_bh_fn(struct work_struct *work);
static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb);
static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb);
-static void arcmsr_hbc_message_isr(struct AdapterControlBlock *pACB);
+static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *pACB);
+static void arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb);
static void arcmsr_hardware_reset(struct AdapterControlBlock *acb);
static const char *arcmsr_info(struct Scsi_Host *);
static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
@@ -132,8 +137,6 @@ static struct scsi_host_template arcmsr_
.change_queue_depth = arcmsr_adjust_disk_queue_depth,
.can_queue = ARCMSR_MAX_FREECCB_NUM,
.this_id = ARCMSR_SCSI_INITIATOR_ID,
- .sg_tablesize = ARCMSR_DEFAULT_SG_ENTRIES,
- .max_sectors = ARCMSR_MAX_XFER_SECTORS_C,
.cmd_per_lun = ARCMSR_MAX_CMD_PERLUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = arcmsr_host_attrs,
@@ -148,13 +151,12 @@ static struct pci_device_id arcmsr_devic
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1201)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1202)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1210)},
+ {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1214)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1220)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1230)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1260)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1270)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1280)},
- {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1380)},
- {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1381)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1680)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1681)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1880)},
@@ -166,23 +168,33 @@ static struct pci_driver arcmsr_pci_driv
.id_table = arcmsr_device_id_table,
.probe = arcmsr_probe,
.remove = arcmsr_remove,
+ .suspend = arcmsr_suspend,
+ .resume = arcmsr_resume,
.shutdown = arcmsr_shutdown,
};
/*
****************************************************************************
****************************************************************************
*/
-
-static void arcmsr_free_hbb_mu(struct AdapterControlBlock *acb)
+static void arcmsr_free_mu(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A:
case ACB_ADAPTER_TYPE_C:
break;
- case ACB_ADAPTER_TYPE_B:{
+ case ACB_ADAPTER_TYPE_B: {
+ struct MessageUnit_B *reg = acb->pmuB;
dma_free_coherent(&acb->pdev->dev,
sizeof(struct MessageUnit_B),
- acb->pmuB, acb->dma_coherent_handle_hbb_mu);
+ reg, acb->dma_coherent_handle2);
+ break;
+ }
+ case ACB_ADAPTER_TYPE_D: {
+ dma_free_coherent(&acb->pdev->dev,
+ sizeof(struct MessageUnit_D),
+ acb->dma_coherent,
+ acb->dma_coherent_handle);
+ break;
}
}
}
@@ -190,44 +202,73 @@ static void arcmsr_free_hbb_mu(struct Ad
static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb)
{
struct pci_dev *pdev = acb->pdev;
- switch (acb->adapter_type){
- case ACB_ADAPTER_TYPE_A:{
- acb->pmuA = ioremap(pci_resource_start(pdev,0), pci_resource_len(pdev,0));
+ switch (acb->adapter_type) {
+ case ACB_ADAPTER_TYPE_A: {
+ acb->pmuA = ioremap(pci_resource_start(pdev, 0),
+ pci_resource_len(pdev, 0));
if (!acb->pmuA) {
- printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
+ pr_notice("arcmsr%d: memory mapping "
+ "region fail\n", acb->host->host_no);
return false;
}
break;
}
- case ACB_ADAPTER_TYPE_B:{
+ case ACB_ADAPTER_TYPE_B: {
void __iomem *mem_base0, *mem_base1;
- mem_base0 = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
+ mem_base0 = ioremap(pci_resource_start(pdev, 0),
+ pci_resource_len(pdev, 0));
if (!mem_base0) {
- printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
+ pr_notice("arcmsr%d: memory mapping "
+ "region fail\n", acb->host->host_no);
return false;
}
- mem_base1 = ioremap(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2));
+ mem_base1 = ioremap(pci_resource_start(pdev, 2),
+ pci_resource_len(pdev, 2));
if (!mem_base1) {
iounmap(mem_base0);
- printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
+ pr_notice("arcmsr%d: memory mapping "
+ "region fail\n", acb->host->host_no);
return false;
}
acb->mem_base0 = mem_base0;
acb->mem_base1 = mem_base1;
break;
}
- case ACB_ADAPTER_TYPE_C:{
- acb->pmuC = ioremap_nocache(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1));
+ case ACB_ADAPTER_TYPE_C: {
+ acb->pmuC = ioremap_nocache(pci_resource_start(pdev, 1),
+ pci_resource_len(pdev, 1));
if (!acb->pmuC) {
- printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
+ pr_notice("arcmsr%d: memory mapping "
+ "region fail\n", acb->host->host_no);
return false;
}
- if (readl(&acb->pmuC->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
- writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &acb->pmuC->outbound_doorbell_clear);/*clear interrupt*/
+ if (readl(&acb->pmuC->outbound_doorbell) &
+ ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
+ writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
+ &acb->pmuC->outbound_doorbell_clear);
return true;
}
break;
}
+ case ACB_ADAPTER_TYPE_D: {
+ void __iomem *mem_base0;
+ unsigned long addr, range, flags;
+
+ addr = (unsigned long)pci_resource_start(pdev, 0);
+ range = pci_resource_len(pdev, 0);
+ flags = pci_resource_flags(pdev, 0);
+ if (flags & IORESOURCE_CACHEABLE)
+ mem_base0 = ioremap(addr, range);
+ else
+ mem_base0 = ioremap_nocache(addr, range);
+ if (!mem_base0) {
+ pr_notice("arcmsr%d: memory mapping region fail\n",
+ acb->host->host_no);
+ return false;
+ }
+ acb->mem_base0 = mem_base0;
+ break;
+ }
}
return true;
}
@@ -235,18 +276,21 @@ static bool arcmsr_remap_pciregion(struc
static void arcmsr_unmap_pciregion(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
- case ACB_ADAPTER_TYPE_A:{
+ case ACB_ADAPTER_TYPE_A: {
iounmap(acb->pmuA);
+ break;
}
- break;
- case ACB_ADAPTER_TYPE_B:{
+ case ACB_ADAPTER_TYPE_B: {
iounmap(acb->mem_base0);
iounmap(acb->mem_base1);
+ break;
}
-
- break;
- case ACB_ADAPTER_TYPE_C:{
+ case ACB_ADAPTER_TYPE_C: {
iounmap(acb->pmuC);
+ break;
+ }
+ case ACB_ADAPTER_TYPE_D: {
+ iounmap(acb->mem_base0);
}
}
}
@@ -264,11 +308,12 @@ static int arcmsr_bios_param(struct scsi
struct block_device *bdev, sector_t capacity, int *geom)
{
int ret, heads, sectors, cylinders, total_capacity;
- unsigned char *buffer;/* return copy of block device's partition table */
+ unsigned char *buffer;
buffer = scsi_bios_ptable(bdev);
if (buffer) {
- ret = scsi_partsize(buffer, capacity, &geom[2], &geom[0], &geom[1]);
+ ret = scsi_partsize(buffer, capacity, &geom[2], &geom[0],
+ &geom[1]);
kfree(buffer);
if (ret != -1)
return ret;
@@ -288,27 +333,53 @@ static int arcmsr_bios_param(struct scsi
return 0;
}
-static void arcmsr_define_adapter_type(struct AdapterControlBlock *acb)
+static bool
+arcmsr_define_adapter_type(struct AdapterControlBlock *acb)
{
- struct pci_dev *pdev = acb->pdev;
u16 dev_id;
+ struct pci_dev *pdev = acb->pdev;
+
pci_read_config_word(pdev, PCI_DEVICE_ID, &dev_id);
acb->dev_id = dev_id;
switch (dev_id) {
case 0x1880: {
acb->adapter_type = ACB_ADAPTER_TYPE_C;
- }
break;
- case 0x1201: {
+ }
+ case 0x1200:
+ case 0x1201:
+ case 0x1202: {
acb->adapter_type = ACB_ADAPTER_TYPE_B;
- }
break;
-
- default: acb->adapter_type = ACB_ADAPTER_TYPE_A;
}
+ case 0x1110:
+ case 0x1120:
+ case 0x1130:
+ case 0x1160:
+ case 0x1170:
+ case 0x1210:
+ case 0x1220:
+ case 0x1230:
+ case 0x1260:
+ case 0x1280:
+ case 0x1680: {
+ acb->adapter_type = ACB_ADAPTER_TYPE_A;
+ break;
+ }
+ case 0x1214: {
+ acb->adapter_type = ACB_ADAPTER_TYPE_D;
+ break;
+ }
+ default: {
+ pr_notice("Unknown device ID = 0x%x\n", dev_id);
+ return false;
+ }
+ }
+ return true;
}
-static uint8_t arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock *acb)
+static bool
+arcmsr_hbaA_wait_msgint_ready(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
int i;
@@ -326,7 +397,8 @@ static uint8_t arcmsr_hba_wait_msgint_re
return false;
}
-static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb)
+static bool
+arcmsr_hbaB_wait_msgint_ready(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
int i;
@@ -346,282 +418,659 @@ static uint8_t arcmsr_hbb_wait_msgint_re
return false;
}
-static uint8_t arcmsr_hbc_wait_msgint_ready(struct AdapterControlBlock *pACB)
+static bool
+arcmsr_hbaC_wait_msgint_ready(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC;
int i;
for (i = 0; i < 2000; i++) {
if (readl(&phbcmu->outbound_doorbell)
- & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
+ & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
- &phbcmu->outbound_doorbell_clear); /*clear interrupt*/
+ &phbcmu->outbound_doorbell_clear);
return true;
}
msleep(10);
- } /* max 20 seconds */
+ }
+ return false;
+}
+static bool
+arcmsr_hbaD_wait_msgint_ready(struct AdapterControlBlock *pACB)
+{
+ int i;
+ struct MessageUnit_D __iomem *reg = (struct MessageUnit_D *)pACB->pmuD;
+ for (i = 0; i < 2000; i++) {
+ if (readl(reg->outbound_doorbell)
+ & ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE) {
+ writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE,
+ reg->outbound_doorbell);
+ return true;
+ }
+ msleep(10);
+ } /* max 20 seconds */
return false;
}
-static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb)
+static void
+arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
int retry_count = 30;
writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0);
do {
- if (arcmsr_hba_wait_msgint_ready(acb))
+ if (arcmsr_hbaA_wait_msgint_ready(acb))
break;
else {
retry_count--;
- printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
- timeout, retry count down = %d \n", acb->host->host_no, retry_count);
+ pr_notice("arcmsr%d: wait 'flush adapter "
+ "cache' timeout, retry count down = %d\n",
+ acb->host->host_no, retry_count);
}
} while (retry_count != 0);
}
-static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb)
+static void
+arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
int retry_count = 30;
writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell);
do {
- if (arcmsr_hbb_wait_msgint_ready(acb))
+ if (arcmsr_hbaB_wait_msgint_ready(acb))
break;
else {
retry_count--;
- printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
- timeout,retry count down = %d \n", acb->host->host_no, retry_count);
+ pr_notice("arcmsr%d: wait 'flush adapter "
+ "cache' timeout, retry count down = %d\n",
+ acb->host->host_no, retry_count);
}
} while (retry_count != 0);
}
-static void arcmsr_flush_hbc_cache(struct AdapterControlBlock *pACB)
+static void
+arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC;
- int retry_count = 30;/* enlarge wait flush adapter cache time: 10 minute */
- writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0);
- writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
+ int retry_count = 6;/* enlarge wait flush adapter cache time: 10 minute */
+ writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE,
+ ®->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE,
+ ®->inbound_doorbell);
+ readl(®->inbound_doorbell);
+ readl(®->inbound_msgaddr0);
+ do {
+ if (arcmsr_hbaC_wait_msgint_ready(pACB)) {
+ break;
+ } else {
+ retry_count--;
+ pr_notice("arcmsr%d: wait 'flush adapter "
+ "cache' timeout, retry count down = %d\n",
+ pACB->host->host_no, retry_count);
+ }
+ } while (retry_count != 0);
+ return;
+}
+
+static void
+arcmsr_hbaD_flush_cache(struct AdapterControlBlock *pACB)
+{
+ int retry_count = 6;
+ struct MessageUnit_D __iomem *reg =
+ (struct MessageUnit_D *)pACB->pmuD;
+
+ writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE,
+ reg->inbound_msgaddr0);
do {
- if (arcmsr_hbc_wait_msgint_ready(pACB)) {
+ if (arcmsr_hbaD_wait_msgint_ready(pACB)) {
break;
} else {
retry_count--;
- printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
- timeout,retry count down = %d \n", pACB->host->host_no, retry_count);
+ pr_notice("arcmsr%d: wait 'flush adapter "
+ "cache' timeout, retry count down = %d\n",
+ pACB->host->host_no,
+ retry_count);
}
} while (retry_count != 0);
return;
}
-static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
+
+static void
+arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
- arcmsr_flush_hba_cache(acb);
+ arcmsr_hbaA_flush_cache(acb);
}
break;
case ACB_ADAPTER_TYPE_B: {
- arcmsr_flush_hbb_cache(acb);
+ arcmsr_hbaB_flush_cache(acb);
}
break;
case ACB_ADAPTER_TYPE_C: {
- arcmsr_flush_hbc_cache(acb);
+ arcmsr_hbaC_flush_cache(acb);
}
+ break;
+ case ACB_ADAPTER_TYPE_D: {
+ arcmsr_hbaD_flush_cache(acb);
+ }
}
}
-static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
+static int
+arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
{
struct pci_dev *pdev = acb->pdev;
void *dma_coherent;
dma_addr_t dma_coherent_handle;
- struct CommandControlBlock *ccb_tmp;
+ struct CommandControlBlock *ccb_tmp = NULL;
int i = 0, j = 0;
dma_addr_t cdb_phyaddr;
- unsigned long roundup_ccbsize;
+ unsigned long roundup_ccbsize = 0;
unsigned long max_xfer_len;
unsigned long max_sg_entrys;
uint32_t firm_config_version;
-
- for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
- for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
- acb->devstate[i][j] = ARECA_RAID_GONE;
-
max_xfer_len = ARCMSR_MAX_XFER_LEN;
max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES;
firm_config_version = acb->firm_cfg_version;
- if((firm_config_version & 0xFF) >= 3){
- max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 4M byte */
- max_sg_entrys = (max_xfer_len/4096);
+ if ((firm_config_version & 0xFF) >= 3) {
+ max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH <<
+ ((firm_config_version >> 8) & 0xFF)) * 1024;
+ max_sg_entrys = (max_xfer_len / 4096);
}
- acb->host->max_sectors = max_xfer_len/512;
+ acb->host->max_sectors = max_xfer_len / 512;
acb->host->sg_tablesize = max_sg_entrys;
- roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32);
- acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM;
- dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, &dma_coherent_handle, GFP_KERNEL);
- if(!dma_coherent){
- printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error\n", acb->host->host_no);
- return -ENOMEM;
+ switch (acb->adapter_type) {
+ case ACB_ADAPTER_TYPE_A: {
+ roundup_ccbsize =
+ roundup(sizeof(struct CommandControlBlock) +
+ max_sg_entrys * sizeof(struct SG64ENTRY), 32);
+ acb->uncache_size = roundup_ccbsize *
+ ARCMSR_MAX_FREECCB_NUM;
+ dma_coherent = dma_alloc_coherent(&pdev->dev,
+ acb->uncache_size, &dma_coherent_handle,
+ GFP_KERNEL);
+ if (!dma_coherent) {
+ pr_notice("arcmsr%d: dma_alloc_coherent "
+ "got error\n", acb->host->host_no);
+ return -ENOMEM;
+ }
+ memset(dma_coherent, 0, acb->uncache_size);
+ acb->dma_coherent = dma_coherent;
+ acb->dma_coherent_handle = dma_coherent_handle;
+ ccb_tmp = (struct CommandControlBlock *)dma_coherent;
+ acb->vir2phy_offset = (unsigned long)dma_coherent -
+ (unsigned long)dma_coherent_handle;
+ for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
+ cdb_phyaddr = dma_coherent_handle +
+ offsetof(struct CommandControlBlock,
+ arcmsr_cdb);
+ ccb_tmp->cdb_phyaddr = cdb_phyaddr >> 5;
+ acb->pccb_pool[i] = ccb_tmp;
+ ccb_tmp->acb = acb;
+ INIT_LIST_HEAD(&ccb_tmp->list);
+ list_add_tail(&ccb_tmp->list,
+ &acb->ccb_free_list);
+ ccb_tmp = (struct CommandControlBlock *)
+ ((unsigned long)ccb_tmp + roundup_ccbsize);
+ dma_coherent_handle = dma_coherent_handle +
+ roundup_ccbsize;
+ }
+ break;
+ }
+ case ACB_ADAPTER_TYPE_B: {
+ roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) +
+ (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32);
+ acb->uncache_size = roundup_ccbsize *
+ ARCMSR_MAX_FREECCB_NUM;
+ dma_coherent = dma_alloc_coherent(&pdev->dev,
+ acb->uncache_size, &dma_coherent_handle,
+ GFP_KERNEL);
+ if (!dma_coherent) {
+ pr_notice("DMA allocation failed....\n");
+ return -ENOMEM;
+ }
+ memset(dma_coherent, 0, acb->uncache_size);
+ acb->dma_coherent = dma_coherent;
+ acb->dma_coherent_handle = dma_coherent_handle;
+ ccb_tmp = (struct CommandControlBlock *)dma_coherent;
+ acb->vir2phy_offset = (unsigned long)dma_coherent -
+ (unsigned long)dma_coherent_handle;
+ for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
+ cdb_phyaddr = dma_coherent_handle +
+ offsetof(struct CommandControlBlock,
+ arcmsr_cdb);
+ ccb_tmp->cdb_phyaddr = cdb_phyaddr >> 5;
+ acb->pccb_pool[i] = ccb_tmp;
+ ccb_tmp->acb = acb;
+ INIT_LIST_HEAD(&ccb_tmp->list);
+ list_add_tail(&ccb_tmp->list,
+ &acb->ccb_free_list);
+ ccb_tmp = (struct CommandControlBlock *)
+ ((unsigned long)ccb_tmp + roundup_ccbsize);
+ dma_coherent_handle = dma_coherent_handle +
+ roundup_ccbsize;
+ }
+ break;
+ }
+ case ACB_ADAPTER_TYPE_C: {
+ roundup_ccbsize =
+ roundup(sizeof(struct CommandControlBlock) +
+ (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32);
+ acb->uncache_size = roundup_ccbsize *
+ ARCMSR_MAX_FREECCB_NUM;
+ dma_coherent = dma_alloc_coherent(&pdev->dev,
+ acb->uncache_size,
+ &dma_coherent_handle,
+ GFP_KERNEL);
+ if (!dma_coherent) {
+ pr_notice("arcmsr%d: dma_alloc_coherent "
+ "got error\n", acb->host->host_no);
+ return -ENOMEM;
+ }
+ memset(dma_coherent, 0, acb->uncache_size);
+ acb->dma_coherent = dma_coherent;
+ acb->dma_coherent_handle = dma_coherent_handle;
+ acb->vir2phy_offset = (unsigned long)dma_coherent -
+ (unsigned long)dma_coherent_handle;
+ ccb_tmp = dma_coherent;
+ for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
+ cdb_phyaddr = dma_coherent_handle +
+ offsetof(struct CommandControlBlock,
+ arcmsr_cdb);
+ ccb_tmp->cdb_phyaddr = cdb_phyaddr;
+ acb->pccb_pool[i] = ccb_tmp;
+ ccb_tmp->acb = acb;
+ INIT_LIST_HEAD(&ccb_tmp->list);
+ list_add_tail(&ccb_tmp->list,
+ &acb->ccb_free_list);
+ ccb_tmp = (struct CommandControlBlock *)
+ ((unsigned long)ccb_tmp +
+ roundup_ccbsize);
+ dma_coherent_handle = dma_coherent_handle +
+ roundup_ccbsize;
+ }
+ break;
+ }
+ case ACB_ADAPTER_TYPE_D: {
+ void *dma_coherent;
+ dma_addr_t dma_coherent_handle;
+
+ roundup_ccbsize = roundup(sizeof(struct CommandControlBlock)
+ + (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32);
+ dma_coherent = dma_alloc_coherent(&pdev->dev,
+ roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM,
+ &dma_coherent_handle, GFP_KERNEL);
+ if (!dma_coherent) {
+ pr_notice("DMA allocation failed...\n");
+ return -ENOMEM;
+ }
+ acb->roundup_ccbsize = roundup_ccbsize;
+ acb->dma_coherent2 = dma_coherent;
+ acb->dma_coherent_handle2 = dma_coherent_handle;
+ ccb_tmp = dma_coherent;
+ acb->vir2phy_offset = (unsigned long)dma_coherent -
+ (unsigned long)dma_coherent_handle;
+ for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
+ cdb_phyaddr = dma_coherent_handle +
+ offsetof(struct CommandControlBlock, arcmsr_cdb);
+ ccb_tmp->cdb_phyaddr =
+ cdb_phyaddr;
+ acb->pccb_pool[i] = ccb_tmp;
+ ccb_tmp->acb = acb;
+ INIT_LIST_HEAD(&ccb_tmp->list);
+ list_add_tail(&ccb_tmp->list, &acb->ccb_free_list);
+ ccb_tmp = (struct CommandControlBlock *)
+ ((unsigned long)ccb_tmp + roundup_ccbsize);
+ dma_coherent_handle = dma_coherent_handle
+ + roundup_ccbsize;
+ }
}
- acb->dma_coherent = dma_coherent;
- acb->dma_coherent_handle = dma_coherent_handle;
- memset(dma_coherent, 0, acb->uncache_size);
- ccb_tmp = dma_coherent;
- acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle;
- for(i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++){
- cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb);
- ccb_tmp->cdb_phyaddr_pattern = ((acb->adapter_type == ACB_ADAPTER_TYPE_C) ? cdb_phyaddr : (cdb_phyaddr >> 5));
- acb->pccb_pool[i] = ccb_tmp;
- ccb_tmp->acb = acb;
- INIT_LIST_HEAD(&ccb_tmp->list);
- list_add_tail(&ccb_tmp->list, &acb->ccb_free_list);
- ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize);
- dma_coherent_handle = dma_coherent_handle + roundup_ccbsize;
}
+ for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
+ for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
+ acb->devstate[i][j] = ARECA_RAID_GONE;
return 0;
}
-static void arcmsr_message_isr_bh_fn(struct work_struct *work)
+static void
+arcmsr_message_isr_bh_fn(struct work_struct *work)
{
- struct AdapterControlBlock *acb = container_of(work,struct AdapterControlBlock, arcmsr_do_message_isr_bh);
+ struct AdapterControlBlock *acb = container_of(work,
+ struct AdapterControlBlock, arcmsr_do_message_isr_bh);
switch (acb->adapter_type) {
- case ACB_ADAPTER_TYPE_A: {
-
- struct MessageUnit_A __iomem *reg = acb->pmuA;
- char *acb_dev_map = (char *)acb->device_map;
- uint32_t __iomem *signature = (uint32_t __iomem*) (®->message_rwbuffer[0]);
- char __iomem *devicemap = (char __iomem*) (®->message_rwbuffer[21]);
- int target, lun;
- struct scsi_device *psdev;
- char diff;
-
- atomic_inc(&acb->rq_map_token);
- if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
- for(target = 0; target < ARCMSR_MAX_TARGETID -1; target++) {
- diff = (*acb_dev_map)^readb(devicemap);
- if (diff != 0) {
- char temp;
- *acb_dev_map = readb(devicemap);
- temp =*acb_dev_map;
- for(lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) {
- if((temp & 0x01)==1 && (diff & 0x01) == 1) {
- scsi_add_device(acb->host, 0, target, lun);
- }else if((temp & 0x01) == 0 && (diff & 0x01) == 1) {
- psdev = scsi_device_lookup(acb->host, 0, target, lun);
- if (psdev != NULL ) {
- scsi_remove_device(psdev);
- scsi_device_put(psdev);
- }
+ case ACB_ADAPTER_TYPE_A: {
+ struct MessageUnit_A __iomem *reg = acb->pmuA;
+ char *acb_dev_map = (char *)acb->device_map;
+ uint32_t __iomem *signature = (uint32_t __iomem *)
+ (®->message_rwbuffer[0]);
+ char __iomem *devicemap = (char __iomem *)
+ (®->message_rwbuffer[21]);
+ int target, lun;
+ struct scsi_device *psdev;
+ char diff;
+
+ atomic_inc(&acb->rq_map_token);
+ if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
+ for (target = 0; target < ARCMSR_MAX_TARGETID - 1;
+ target++) {
+ diff = (*acb_dev_map) ^ readb(devicemap);
+ if (diff != 0) {
+ char temp;
+ *acb_dev_map = readb(devicemap);
+ temp = *acb_dev_map;
+ for (lun = 0; lun <
+ ARCMSR_MAX_TARGETLUN; lun++) {
+ if ((temp & 0x01) == 1 &&
+ (diff & 0x01) == 1) {
+ scsi_add_device(acb->host,
+ 0, target, lun);
+ } else if ((temp & 0x01) == 0
+ && (diff & 0x01) == 1) {
+ psdev =
+ scsi_device_lookup(acb->host,
+ 0, target, lun);
+ if (psdev != NULL) {
+ scsi_remove_device(psdev);
+ scsi_device_put(psdev);
}
- temp >>= 1;
- diff >>= 1;
}
+ temp >>= 1;
+ diff >>= 1;
}
- devicemap++;
- acb_dev_map++;
}
+ devicemap++;
+ acb_dev_map++;
}
- break;
}
+ break;
+ }
- case ACB_ADAPTER_TYPE_B: {
- struct MessageUnit_B *reg = acb->pmuB;
- char *acb_dev_map = (char *)acb->device_map;
- uint32_t __iomem *signature = (uint32_t __iomem*)(®->message_rwbuffer[0]);
- char __iomem *devicemap = (char __iomem*)(®->message_rwbuffer[21]);
- int target, lun;
- struct scsi_device *psdev;
- char diff;
-
- atomic_inc(&acb->rq_map_token);
- if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
- for(target = 0; target < ARCMSR_MAX_TARGETID -1; target++) {
- diff = (*acb_dev_map)^readb(devicemap);
- if (diff != 0) {
- char temp;
- *acb_dev_map = readb(devicemap);
- temp =*acb_dev_map;
- for(lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) {
- if((temp & 0x01)==1 && (diff & 0x01) == 1) {
- scsi_add_device(acb->host, 0, target, lun);
- }else if((temp & 0x01) == 0 && (diff & 0x01) == 1) {
- psdev = scsi_device_lookup(acb->host, 0, target, lun);
- if (psdev != NULL ) {
- scsi_remove_device(psdev);
- scsi_device_put(psdev);
- }
+ case ACB_ADAPTER_TYPE_B: {
+ struct MessageUnit_B *reg = acb->pmuB;
+ char *acb_dev_map = (char *)acb->device_map;
+ uint32_t __iomem *signature =
+ (uint32_t __iomem *)(®->message_rwbuffer[0]);
+ char __iomem *devicemap =
+ (char __iomem *)(®->message_rwbuffer[21]);
+ int target, lun;
+ struct scsi_device *psdev;
+ char diff;
+
+ atomic_inc(&acb->rq_map_token);
+ if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
+ for (target = 0; target <
+ ARCMSR_MAX_TARGETID - 1; target++) {
+ diff = (*acb_dev_map) ^ readb(devicemap);
+ if (diff != 0) {
+ char temp;
+ *acb_dev_map = readb(devicemap);
+ temp = *acb_dev_map;
+ for (lun = 0;
+ lun < ARCMSR_MAX_TARGETLUN;
+ lun++) {
+ if ((temp & 0x01) == 1 &&
+ (diff & 0x01) == 1) {
+ scsi_add_device(acb->host,
+ 0, target, lun);
+ } else if ((temp & 0x01) == 0
+ && (diff & 0x01) == 1) {
+ psdev = scsi_device_lookup(acb->host,
+ 0, target, lun);
+ if (psdev != NULL) {
+ scsi_remove_device(psdev);
+ scsi_device_put(psdev);
}
- temp >>= 1;
- diff >>= 1;
}
+ temp >>= 1;
+ diff >>= 1;
}
- devicemap++;
- acb_dev_map++;
}
+ devicemap++;
+ acb_dev_map++;
}
}
- break;
- case ACB_ADAPTER_TYPE_C: {
- struct MessageUnit_C *reg = acb->pmuC;
- char *acb_dev_map = (char *)acb->device_map;
- uint32_t __iomem *signature = (uint32_t __iomem *)(®->msgcode_rwbuffer[0]);
- char __iomem *devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]);
- int target, lun;
- struct scsi_device *psdev;
- char diff;
-
- atomic_inc(&acb->rq_map_token);
- if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
- for (target = 0; target < ARCMSR_MAX_TARGETID - 1; target++) {
- diff = (*acb_dev_map)^readb(devicemap);
- if (diff != 0) {
- char temp;
- *acb_dev_map = readb(devicemap);
- temp = *acb_dev_map;
- for (lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) {
- if ((temp & 0x01) == 1 && (diff & 0x01) == 1) {
- scsi_add_device(acb->host, 0, target, lun);
- } else if ((temp & 0x01) == 0 && (diff & 0x01) == 1) {
- psdev = scsi_device_lookup(acb->host, 0, target, lun);
- if (psdev != NULL) {
- scsi_remove_device(psdev);
- scsi_device_put(psdev);
- }
+ }
+ break;
+ case ACB_ADAPTER_TYPE_C: {
+ struct MessageUnit_C *reg = acb->pmuC;
+ char *acb_dev_map = (char *)acb->device_map;
+ uint32_t __iomem *signature =
+ (uint32_t __iomem *)(®->msgcode_rwbuffer[0]);
+ char __iomem *devicemap =
+ (char __iomem *)(®->msgcode_rwbuffer[21]);
+ int target, lun;
+ struct scsi_device *psdev;
+ char diff;
+
+ atomic_inc(&acb->rq_map_token);
+ if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
+ for (target = 0; target <
+ ARCMSR_MAX_TARGETID - 1; target++) {
+ diff = (*acb_dev_map) ^ readb(devicemap);
+ if (diff != 0) {
+ char temp;
+ *acb_dev_map =
+ readb(devicemap);
+ temp = *acb_dev_map;
+ for (lun = 0; lun <
+ ARCMSR_MAX_TARGETLUN; lun++) {
+ if ((temp & 0x01) == 1 &&
+ (diff & 0x01) == 1) {
+ scsi_add_device(acb->host,
+ 0, target, lun);
+ } else if ((temp & 0x01) == 0
+ && (diff & 0x01) == 1) {
+ psdev = scsi_device_lookup(acb->host,
+ 0, target, lun);
+ if (psdev != NULL) {
+ scsi_remove_device(psdev);
+ scsi_device_put(psdev);
+ }
+ }
+ temp >>= 1;
+ diff >>= 1;
+ }
+ }
+ devicemap++;
+ acb_dev_map++;
+ }
+ }
+ }
+ break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D __iomem *reg = acb->pmuD;
+ char *acb_dev_map = (char *)acb->device_map;
+ uint32_t __iomem *signature =
+ (uint32_t __iomem *)(®->msgcode_rwbuffer[0]);
+ char __iomem *devicemap =
+ (char __iomem *)(®->msgcode_rwbuffer[21]);
+ int target, lun;
+ struct scsi_device *psdev;
+ char diff;
+
+ atomic_inc(&acb->rq_map_token);
+ if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
+ for (target = 0; target <
+ ARCMSR_MAX_TARGETID - 1; target++) {
+ diff = (*acb_dev_map) ^ readb(devicemap);
+ if (diff != 0) {
+ char temp;
+ *acb_dev_map =
+ readb(devicemap);
+ temp = *acb_dev_map;
+ for (lun = 0; lun <
+ ARCMSR_MAX_TARGETLUN; lun++) {
+ if ((temp & 0x01) == 1 &&
+ (diff & 0x01) == 1) {
+ scsi_add_device(acb->host,
+ 0, target, lun);
+ } else if ((temp & 0x01) == 0
+ && (diff & 0x01) == 1) {
+ psdev = scsi_device_lookup(acb->host,
+ 0, target, lun);
+ if (psdev != NULL) {
+ scsi_remove_device(psdev);
+ scsi_device_put(psdev);
}
- temp >>= 1;
- diff >>= 1;
}
+ temp >>= 1;
+ diff >>= 1;
}
- devicemap++;
- acb_dev_map++;
}
+ devicemap++;
+ acb_dev_map++;
}
}
+ break;
+ }
+ }
+}
+
+static int
+arcmsr_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ int i;
+ uint32_t intmask_org;
+ struct Scsi_Host *host = pci_get_drvdata(pdev);
+ struct AdapterControlBlock *acb =
+ (struct AdapterControlBlock *)host->hostdata;
+
+ intmask_org = arcmsr_disable_outbound_ints(acb);
+ if (acb->acb_flags & ACB_F_MSI_ENABLED) {
+ free_irq(pdev->irq, acb);
+ pci_disable_msi(pdev);
+ } else if (acb->acb_flags & ACB_F_MSIX_ENABLED) {
+ for (i = 0; i < ARCMST_NUM_MSIX_VECTORS; i++)
+ free_irq(acb->entries[i].vector, acb);
+ pci_disable_msix(pdev);
+ } else
+ free_irq(pdev->irq, acb);
+ del_timer_sync(&acb->eternal_timer);
+ flush_scheduled_work();
+ arcmsr_stop_adapter_bgrb(acb);
+ arcmsr_flush_adapter_cache(acb);
+ arcmsr_enable_outbound_ints(acb, intmask_org);
+ pci_set_drvdata(pdev, host);
+ pci_save_state(pdev);
+ pci_disable_device(pdev);
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
+ return 0;
+}
+
+static int
+arcmsr_resume(struct pci_dev *pdev)
+{
+ int error, i, j;
+ struct Scsi_Host *host = pci_get_drvdata(pdev);
+ struct AdapterControlBlock *acb =
+ (struct AdapterControlBlock *)host->hostdata;
+ struct msix_entry entries[ARCMST_NUM_MSIX_VECTORS];
+ pci_set_power_state(pdev, PCI_D0);
+ pci_enable_wake(pdev, PCI_D0, 0);
+ pci_restore_state(pdev);
+ if (pci_enable_device(pdev)) {
+ pr_warn("%s: pci_enable_device error\n", __func__);
+ return -ENODEV;
+ }
+ error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
+ if (error) {
+ error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ if (error) {
+ pr_warn("scsi%d: No suitable DMA mask available\n",
+ host->host_no);
+ goto controller_unregister;
+ }
}
+ pci_set_master(pdev);
+ if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) {
+ if (!pci_enable_msix(pdev, entries,
+ ARCMST_NUM_MSIX_VECTORS)) {
+ for (i = 0; i < ARCMST_NUM_MSIX_VECTORS;
+ i++) {
+ entries[i].entry = i;
+ if (request_irq(entries[i].vector,
+ arcmsr_do_interrupt, 0,
+ "arcmsr", acb)) {
+ for (j = 0 ; j < i ; j++)
+ free_irq(entries[i].vector,
+ acb);
+ goto controller_stop;
+ }
+ acb->entries[i] = entries[i];
+ }
+ acb->acb_flags |= ACB_F_MSIX_ENABLED;
+ } else {
+ pr_warn("arcmsr%d: MSI-X "
+ "failed to enable\n", acb->host->host_no);
+ if (request_irq(pdev->irq,
+ arcmsr_do_interrupt, IRQF_SHARED,
+ "arcmsr", acb)) {
+ goto controller_stop;
+ }
+ }
+ } else if (pci_find_capability(pdev, PCI_CAP_ID_MSI)) {
+ if (!pci_enable_msi(pdev))
+ acb->acb_flags |= ACB_F_MSI_ENABLED;
+ if (request_irq(pdev->irq, arcmsr_do_interrupt,
+ IRQF_SHARED, "arcmsr", acb)) {
+ goto controller_stop;
+ }
+ } else {
+ if (request_irq(pdev->irq, arcmsr_do_interrupt,
+ IRQF_SHARED, "arcmsr", acb)) {
+ goto controller_stop;
+ }
+ }
+ arcmsr_iop_init(acb);
+ INIT_WORK(&acb->arcmsr_do_message_isr_bh,
+ arcmsr_message_isr_bh_fn);
+ atomic_set(&acb->rq_map_token, 16);
+ atomic_set(&acb->ante_token_value, 16);
+ acb->fw_flag = FW_NORMAL;
+ init_timer(&acb->eternal_timer);
+ acb->eternal_timer.expires = jiffies +
+ msecs_to_jiffies(6 * HZ);
+ acb->eternal_timer.data = (unsigned long) acb;
+ acb->eternal_timer.function =
+ &arcmsr_request_device_map;
+ add_timer(&acb->eternal_timer);
+ return 0;
+controller_stop:
+ arcmsr_stop_adapter_bgrb(acb);
+ arcmsr_flush_adapter_cache(acb);
+controller_unregister:
+ scsi_remove_host(host);
+ arcmsr_free_ccb_pool(acb);
+ arcmsr_unmap_pciregion(acb);
+ pci_release_regions(pdev);
+ scsi_host_put(host);
+ pci_disable_device(pdev);
+ return -ENODEV;
}
static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct Scsi_Host *host;
struct AdapterControlBlock *acb;
- uint8_t bus,dev_fun;
- int error;
+ uint8_t bus, dev_fun;
+ struct msix_entry entries[ARCMST_NUM_MSIX_VECTORS];
+ int error, i, j;
error = pci_enable_device(pdev);
- if(error){
+ if (error)
return -ENODEV;
- }
- host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof(struct AdapterControlBlock));
- if(!host){
+ host = scsi_host_alloc(&arcmsr_scsi_host_template,
+ sizeof(struct AdapterControlBlock));
+ if (!host)
goto pci_disable_dev;
- }
error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
- if(error){
+ if (error) {
error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
- if(error){
- printk(KERN_WARNING
- "scsi%d: No suitable DMA mask available\n",
+ if (error) {
+ pr_warn("scsi%d: No suitable DMA mask available\n",
host->host_no);
goto scsi_host_release;
}
@@ -634,70 +1083,115 @@ static int arcmsr_probe(struct pci_dev *
acb->pdev = pdev;
acb->host = host;
host->max_lun = ARCMSR_MAX_TARGETLUN;
- host->max_id = ARCMSR_MAX_TARGETID; /*16:8*/
- host->max_cmd_len = 16; /*this is issue of 64bit LBA ,over 2T byte*/
- host->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */
- host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN;
+ host->max_id = ARCMSR_MAX_TARGETID;
+ host->max_cmd_len = 16;
+ host->can_queue = ARCMSR_MAX_FREECCB_NUM;
+ host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN;
host->this_id = ARCMSR_SCSI_INITIATOR_ID;
host->unique_id = (bus << 8) | dev_fun;
pci_set_drvdata(pdev, host);
pci_set_master(pdev);
error = pci_request_regions(pdev, "arcmsr");
- if(error){
+ if (error)
goto scsi_host_release;
- }
spin_lock_init(&acb->eh_lock);
spin_lock_init(&acb->ccblist_lock);
+ spin_lock_init(&acb->postq_lock);
+ spin_lock_init(&acb->doneq_lock);
+ spin_lock_init(&acb->rqbuffer_lock);
+ spin_lock_init(&acb->wqbuffer_lock);
acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
ACB_F_MESSAGE_RQBUFFER_CLEARED |
ACB_F_MESSAGE_WQBUFFER_READED);
acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
INIT_LIST_HEAD(&acb->ccb_free_list);
- arcmsr_define_adapter_type(acb);
+ error = arcmsr_define_adapter_type(acb);
+ if (!error)
+ goto pci_release_regs;
error = arcmsr_remap_pciregion(acb);
- if(!error){
+ if (!error)
goto pci_release_regs;
- }
error = arcmsr_get_firmware_spec(acb);
- if(!error){
+ if (!error)
goto unmap_pci_region;
- }
error = arcmsr_alloc_ccb_pool(acb);
- if(error){
+ if (error)
goto free_hbb_mu;
- }
- arcmsr_iop_init(acb);
error = scsi_add_host(host, &pdev->dev);
- if(error){
+ if (error)
goto RAID_controller_stop;
- }
- error = request_irq(pdev->irq, arcmsr_do_interrupt, IRQF_SHARED, "arcmsr", acb);
- if(error){
- goto scsi_host_remove;
+ if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) {
+ if (!pci_enable_msix(pdev, entries, ARCMST_NUM_MSIX_VECTORS)) {
+ for (i = 0; i < ARCMST_NUM_MSIX_VECTORS; i++) {
+ entries[i].entry = i;
+ if (request_irq(entries[i].vector,
+ arcmsr_do_interrupt, 0, "arcmsr",
+ acb)) {
+ for (j = 0 ; j < i ; j++)
+ free_irq(entries[i].vector,
+ acb);
+ goto scsi_host_remove;
+ }
+ acb->entries[i] = entries[i];
+ }
+ acb->acb_flags |= ACB_F_MSIX_ENABLED;
+ } else {
+ if (request_irq(pdev->irq, arcmsr_do_interrupt,
+ IRQF_SHARED, "arcmsr", acb)) {
+ printk("arcmsr%d: request_irq = %d failed!\n",
+ acb->host->host_no, pdev->irq);
+ goto scsi_host_remove;
+ }
+ }
+ } else if (pci_find_capability(pdev, PCI_CAP_ID_MSI)) {
+ if (!pci_enable_msi(pdev))
+ acb->acb_flags |= ACB_F_MSI_ENABLED;
+ if (request_irq(pdev->irq, arcmsr_do_interrupt,
+ IRQF_SHARED, "arcmsr", acb)) {
+ pr_warn("arcmsr%d: request_irq =%d failed!\n",
+ acb->host->host_no, pdev->irq);
+ goto scsi_host_remove;
+ }
+ } else {
+ if (request_irq(pdev->irq, arcmsr_do_interrupt,
+ IRQF_SHARED, "arcmsr", acb)) {
+ pr_warn("arcmsr%d: request_irq = %d failed!\n",
+ acb->host->host_no, pdev->irq);
+ goto scsi_host_remove;
+ }
}
host->irq = pdev->irq;
- scsi_scan_host(host);
- INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn);
+ arcmsr_iop_init(acb);
+ scsi_scan_host(host);
+ INIT_WORK(&acb->arcmsr_do_message_isr_bh,
+ arcmsr_message_isr_bh_fn);
atomic_set(&acb->rq_map_token, 16);
atomic_set(&acb->ante_token_value, 16);
acb->fw_flag = FW_NORMAL;
init_timer(&acb->eternal_timer);
- acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ);
+ acb->eternal_timer.expires = jiffies +
+ msecs_to_jiffies(6 * HZ);
acb->eternal_timer.data = (unsigned long) acb;
- acb->eternal_timer.function = &arcmsr_request_device_map;
+ acb->eternal_timer.function =
+ &arcmsr_request_device_map;
add_timer(&acb->eternal_timer);
- if(arcmsr_alloc_sysfs_attr(acb))
+ if (arcmsr_alloc_sysfs_attr(acb))
goto out_free_sysfs;
return 0;
out_free_sysfs:
scsi_host_remove:
+ if (acb->acb_flags & ACB_F_MSI_ENABLED) {
+ pci_disable_msi(pdev);
+ } else if (acb->acb_flags & ACB_F_MSIX_ENABLED) {
+ pci_disable_msix(pdev);
+ }
scsi_remove_host(host);
RAID_controller_stop:
arcmsr_stop_adapter_bgrb(acb);
arcmsr_flush_adapter_cache(acb);
arcmsr_free_ccb_pool(acb);
free_hbb_mu:
- arcmsr_free_hbb_mu(acb);
+ arcmsr_free_mu(acb);
unmap_pci_region:
arcmsr_unmap_pciregion(acb);
pci_release_regs:
@@ -709,85 +1203,112 @@ pci_disable_dev:
return -ENODEV;
}
-static uint8_t arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb)
+static uint8_t
+arcmsr_hbaA_abort_allcmd(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
- writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0);
- if (!arcmsr_hba_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE
- "arcmsr%d: wait 'abort all outstanding command' timeout \n"
- , acb->host->host_no);
+ writel(ARCMSR_INBOUND_MESG0_ABORT_CMD,
+ ®->inbound_msgaddr0);
+ if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: wait 'abort all outstanding "
+ "command' timeout\n"
+ , acb->host->host_no);
return false;
}
return true;
}
-static uint8_t arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb)
+static uint8_t
+arcmsr_hbaB_abort_allcmd(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
- writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell);
- if (!arcmsr_hbb_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE
- "arcmsr%d: wait 'abort all outstanding command' timeout \n"
- , acb->host->host_no);
+ writel(ARCMSR_MESSAGE_ABORT_CMD,
+ reg->drv2iop_doorbell);
+ if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: wait 'abort all outstanding "
+ "command' timeout\n"
+ , acb->host->host_no);
return false;
}
return true;
}
-static uint8_t arcmsr_abort_hbc_allcmd(struct AdapterControlBlock *pACB)
+static uint8_t
+arcmsr_hbaC_abort_allcmd(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC;
writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0);
writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
- if (!arcmsr_hbc_wait_msgint_ready(pACB)) {
- printk(KERN_NOTICE
- "arcmsr%d: wait 'abort all outstanding command' timeout \n"
- , pACB->host->host_no);
+ if (!arcmsr_hbaC_wait_msgint_ready(pACB)) {
+ pr_notice("arcmsr%d: wait 'abort all outstanding "
+ "command' timeout\n"
+ , pACB->host->host_no);
+ return false;
+ }
+ return true;
+}
+static uint8_t
+arcmsr_hbaD_abort_allcmd(struct AdapterControlBlock *pACB)
+{
+ struct MessageUnit_D __iomem *reg = (struct MessageUnit_D *)pACB->pmuD;
+ writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, reg->inbound_msgaddr0);
+ if (!arcmsr_hbaD_wait_msgint_ready(pACB)) {
+ pr_notice("arcmsr%d: wait 'abort all outstanding "
+ "command' timeout\n"
+ , pACB->host->host_no);
return false;
}
return true;
}
-static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
+static uint8_t
+arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
{
uint8_t rtnval = 0;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
- rtnval = arcmsr_abort_hba_allcmd(acb);
+ rtnval = arcmsr_hbaA_abort_allcmd(acb);
}
break;
case ACB_ADAPTER_TYPE_B: {
- rtnval = arcmsr_abort_hbb_allcmd(acb);
+ rtnval = arcmsr_hbaB_abort_allcmd(acb);
}
break;
case ACB_ADAPTER_TYPE_C: {
- rtnval = arcmsr_abort_hbc_allcmd(acb);
+ rtnval = arcmsr_hbaC_abort_allcmd(acb);
}
+ break;
+ case ACB_ADAPTER_TYPE_D: {
+ rtnval = arcmsr_hbaD_abort_allcmd(acb);
+ }
}
return rtnval;
}
-static bool arcmsr_hbb_enable_driver_mode(struct AdapterControlBlock *pacb)
+static bool
+arcmsr_hbb_enable_driver_mode(struct AdapterControlBlock *pacb)
{
struct MessageUnit_B *reg = pacb->pmuB;
- writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell);
- if (!arcmsr_hbb_wait_msgint_ready(pacb)) {
- printk(KERN_ERR "arcmsr%d: can't set driver mode. \n", pacb->host->host_no);
+ writel(ARCMSR_MESSAGE_START_DRIVER_MODE,
+ reg->drv2iop_doorbell);
+ if (!arcmsr_hbaB_wait_msgint_ready(pacb)) {
+ pr_err("arcmsr%d: can't set driver mode.\n",
+ pacb->host->host_no);
return false;
}
return true;
}
-static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
+static void
+arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
{
struct scsi_cmnd *pcmd = ccb->pcmd;
-
scsi_dma_unmap(pcmd);
}
-static void arcmsr_ccb_complete(struct CommandControlBlock *ccb)
+static void
+arcmsr_ccb_complete(struct CommandControlBlock *ccb)
{
struct AdapterControlBlock *acb = ccb->acb;
struct scsi_cmnd *pcmd = ccb->pcmd;
@@ -801,32 +1322,38 @@ static void arcmsr_ccb_complete(struct C
pcmd->scsi_done(pcmd);
}
-static void arcmsr_report_sense_info(struct CommandControlBlock *ccb)
+static void
+arcmsr_report_sense_info(struct CommandControlBlock *ccb)
{
struct scsi_cmnd *pcmd = ccb->pcmd;
- struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer;
- pcmd->result = DID_OK << 16;
+ struct SENSE_DATA *sensebuffer =
+ (struct SENSE_DATA *)pcmd->sense_buffer;
+ pcmd->result = (DID_OK << 16) | (CHECK_CONDITION << 1)
+ | (DRIVER_SENSE << 24);
if (sensebuffer) {
int sense_data_length =
sizeof(struct SENSE_DATA) < SCSI_SENSE_BUFFERSIZE
? sizeof(struct SENSE_DATA) : SCSI_SENSE_BUFFERSIZE;
memset(sensebuffer, 0, SCSI_SENSE_BUFFERSIZE);
- memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length);
+ memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData,
+ sense_data_length);
sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS;
sensebuffer->Valid = 1;
}
}
-static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb)
+static u32
+arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb)
{
u32 orig_mask = 0;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A : {
struct MessageUnit_A __iomem *reg = acb->pmuA;
orig_mask = readl(®->outbound_intmask);
- writel(orig_mask|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, \
- ®->outbound_intmask);
+ writel(orig_mask |
+ ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE,
+ ®->outbound_intmask);
}
break;
case ACB_ADAPTER_TYPE_B : {
@@ -835,18 +1362,30 @@ static u32 arcmsr_disable_outbound_ints(
writel(0, reg->iop2drv_doorbell_mask);
}
break;
- case ACB_ADAPTER_TYPE_C:{
- struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
+ case ACB_ADAPTER_TYPE_C: {
+ struct MessageUnit_C __iomem *reg =
+ (struct MessageUnit_C *)acb->pmuC;
/* disable all outbound interrupt */
- orig_mask = readl(®->host_int_mask); /* disable outbound message0 int */
- writel(orig_mask|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask);
+ orig_mask = readl(®->host_int_mask);
+ writel(orig_mask | ARCMSR_HBCMU_ALL_INTMASKENABLE,
+ ®->host_int_mask);
+ readl(®->host_int_mask);
}
break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D __iomem *reg =
+ (struct MessageUnit_D *)acb->pmuD;
+ /* disable all outbound interrupt */
+ writel(ARCMSR_ARC1214_ALL_INT_DISABLE,
+ reg->pcief0_int_enable);
+ break;
+ }
}
return orig_mask;
}
-static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb,
+static void
+arcmsr_report_ccb_state(struct AdapterControlBlock *acb,
struct CommandControlBlock *ccb, bool error)
{
uint8_t id, lun;
@@ -857,7 +1396,7 @@ static void arcmsr_report_ccb_state(stru
acb->devstate[id][lun] = ARECA_RAID_GOOD;
ccb->pcmd->result = DID_OK << 16;
arcmsr_ccb_complete(ccb);
- }else{
+ } else {
switch (ccb->arcmsr_cdb.DeviceStatus) {
case ARCMSR_DEV_SELECT_TIMEOUT: {
acb->devstate[id][lun] = ARECA_RAID_GONE;
@@ -883,53 +1422,47 @@ static void arcmsr_report_ccb_state(stru
break;
default:
- printk(KERN_NOTICE
- "arcmsr%d: scsi id = %d lun = %d isr get command error done, \
- but got unknown DeviceStatus = 0x%x \n"
- , acb->host->host_no
- , id
- , lun
- , ccb->arcmsr_cdb.DeviceStatus);
- acb->devstate[id][lun] = ARECA_RAID_GONE;
- ccb->pcmd->result = DID_NO_CONNECT << 16;
- arcmsr_ccb_complete(ccb);
+ pr_notice("arcmsr%d: scsi id = %d lun = %d "
+ "isr get command error done, but got unknown "
+ "DeviceStatus = 0x%x\n"
+ , acb->host->host_no
+ , id
+ , lun
+ , ccb->arcmsr_cdb.DeviceStatus);
+ acb->devstate[id][lun] = ARECA_RAID_GONE;
+ ccb->pcmd->result = DID_NO_CONNECT << 16;
+ arcmsr_ccb_complete(ccb);
break;
}
}
}
-static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct CommandControlBlock *pCCB, bool error)
+static void
+arcmsr_drain_donequeue(struct AdapterControlBlock *acb,
+ struct CommandControlBlock *pCCB, bool error)
{
- int id, lun;
if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) {
- if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
- struct scsi_cmnd *abortcmd = pCCB->pcmd;
- if (abortcmd) {
- id = abortcmd->device->id;
- lun = abortcmd->device->lun;
- abortcmd->result |= DID_ABORT << 16;
- arcmsr_ccb_complete(pCCB);
- printk(KERN_NOTICE "arcmsr%d: pCCB ='0x%p' isr got aborted command \n",
- acb->host->host_no, pCCB);
- }
- return;
- }
- printk(KERN_NOTICE "arcmsr%d: isr get an illegal ccb command \
- done acb = '0x%p'"
- "ccb = '0x%p' ccbacb = '0x%p' startdone = 0x%x"
- " ccboutstandingcount = %d \n"
- , acb->host->host_no
- , acb
- , pCCB
- , pCCB->acb
- , pCCB->startdone
- , atomic_read(&acb->ccboutstandingcount));
- return;
+ pr_notice("arcmsr%d: isr get an illegal ccb "
+ "command done acb = 0x%p, "
+ "ccb = 0x%p, "
+ "ccbacb = 0x%p, "
+ "startdone = 0x%x, "
+ "pscsi_cmd = 0x%p, "
+ "ccboutstandingcount = %d\n"
+ , acb->host->host_no
+ , acb
+ , pCCB
+ , pCCB->acb
+ , pCCB->startdone
+ , pCCB->pcmd
+ , atomic_read(&acb->ccboutstandingcount));
+ return;
}
arcmsr_report_ccb_state(acb, pCCB, error);
}
-static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
+static void
+arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
{
int i = 0;
uint32_t flag_ccb;
@@ -944,12 +1477,16 @@ static void arcmsr_done4abort_postqueue(
outbound_intstatus = readl(®->outbound_intstatus) &
acb->outbound_int_enable;
/*clear and abort all outbound posted Q*/
- writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/
- while(((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF)
- && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
- pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/
- pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
- error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
+ writel(outbound_intstatus, ®->outbound_intstatus);
+ while (((flag_ccb = readl(®->outbound_queueport))
+ != 0xFFFFFFFF)
+ && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
+ pARCMSR_CDB = (struct ARCMSR_CDB *)
+ (acb->vir2phy_offset + (flag_ccb << 5));
+ pCCB = container_of(pARCMSR_CDB,
+ struct CommandControlBlock, arcmsr_cdb);
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ?
+ true : false;
arcmsr_drain_donequeue(acb, pCCB, error);
}
}
@@ -957,14 +1494,19 @@ static void arcmsr_done4abort_postqueue(
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
- /*clear all outbound posted Q*/
- writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); /* clear doorbell interrupt */
+ writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN,
+ reg->iop2drv_doorbell);
for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) {
- if ((flag_ccb = readl(®->done_qbuffer[i])) != 0) {
+ flag_ccb = readl(®->done_qbuffer[i]);
+ if (flag_ccb != 0) {
writel(0, ®->done_qbuffer[i]);
- pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/
- pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
- error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
+ pARCMSR_CDB = (struct ARCMSR_CDB *)
+ (acb->vir2phy_offset + (flag_ccb << 5));
+ pCCB = container_of(pARCMSR_CDB,
+ struct CommandControlBlock, arcmsr_cdb);
+ error = (flag_ccb &
+ ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ?
+ true : false;
arcmsr_drain_donequeue(acb, pCCB, error);
}
reg->post_qbuffer[i] = 0;
@@ -979,27 +1521,85 @@ static void arcmsr_done4abort_postqueue(
uint32_t flag_ccb, ccb_cdb_phy;
bool error;
struct CommandControlBlock *pCCB;
- while ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
+ while ((readl(®->host_int_status) &
+ ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR)
+ && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
/*need to do*/
flag_ccb = readl(®->outbound_queueport_low);
ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
- pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+ccb_cdb_phy);/*frame must be 32 bytes aligned*/
- pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
- error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
+ pARCMSR_CDB = (struct ARCMSR_CDB *)
+ (acb->vir2phy_offset+ccb_cdb_phy);
+ pCCB = container_of(pARCMSR_CDB,
+ struct CommandControlBlock, arcmsr_cdb);
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1)
+ ? true : false;
arcmsr_drain_donequeue(acb, pCCB, error);
}
+ }
+ break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D __iomem *pmu = acb->pmuD;
+ uint32_t ccb_cdb_phy, outbound_write_pointer;
+ uint32_t doneq_index, index_stripped, addressLow, residual;
+ bool error;
+ struct CommandControlBlock *pCCB;
+ outbound_write_pointer = pmu->done_qbuffer[0].addressLow + 1;
+ doneq_index = pmu->doneq_index;
+ residual = atomic_read(&acb->ccboutstandingcount);
+ for (i = 0; i < residual; i++) {
+ while ((doneq_index & 0xFFF) != (outbound_write_pointer & 0xFFF)) {
+ if (doneq_index & 0x4000) {
+ index_stripped = doneq_index & 0xFFF;
+ index_stripped += 1;
+ index_stripped %=
+ ARCMSR_MAX_ARC1214_DONEQUEUE;
+ pmu->doneq_index = index_stripped ?
+ (index_stripped | 0x4000) : (index_stripped + 1);
+ } else {
+ index_stripped = doneq_index;
+ index_stripped += 1;
+ index_stripped %=
+ ARCMSR_MAX_ARC1214_DONEQUEUE;
+ pmu->doneq_index =
+ index_stripped ? index_stripped : ((index_stripped | 0x4000) + 1);
+ }
+ doneq_index = pmu->doneq_index;
+ addressLow =
+ pmu->done_qbuffer[doneq_index & 0xFFF].addressLow;
+ ccb_cdb_phy = (addressLow & 0xFFFFFFF0);
+ pARCMSR_CDB = (struct ARCMSR_CDB *)
+ (acb->vir2phy_offset + ccb_cdb_phy);
+ pCCB = container_of(pARCMSR_CDB,
+ struct CommandControlBlock, arcmsr_cdb);
+ error =
+ (addressLow & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1)
+ ? true : false;
+ arcmsr_drain_donequeue(acb, pCCB, error);
+ writel(doneq_index,
+ pmu->outboundlist_read_pointer);
+ }
+ mdelay(10);
+ outbound_write_pointer =
+ pmu->done_qbuffer[0].addressLow + 1;
+ doneq_index = pmu->doneq_index;
+ }
+ pmu->postq_index = 0;
+ pmu->doneq_index = 0x40FF;
+ break;
}
}
}
-static void arcmsr_remove(struct pci_dev *pdev)
+
+static void
+arcmsr_remove(struct pci_dev *pdev)
{
struct Scsi_Host *host = pci_get_drvdata(pdev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
- int poll_count = 0;
+ (struct AdapterControlBlock *)host->hostdata;
+ int poll_count = 0, i;
arcmsr_free_sysfs_attr(acb);
scsi_remove_host(host);
- flush_work(&acb->arcmsr_do_message_isr_bh);
+ flush_work_sync(&acb->arcmsr_do_message_isr_bh);
del_timer_sync(&acb->eternal_timer);
arcmsr_disable_outbound_ints(acb);
arcmsr_stop_adapter_bgrb(acb);
@@ -1007,20 +1607,20 @@ static void arcmsr_remove(struct pci_dev
acb->acb_flags |= ACB_F_SCSISTOPADAPTER;
acb->acb_flags &= ~ACB_F_IOP_INITED;
- for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++){
+ for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD;
+ poll_count++) {
if (!atomic_read(&acb->ccboutstandingcount))
break;
- arcmsr_interrupt(acb);/* FIXME: need spinlock */
+ arcmsr_interrupt(acb);
msleep(25);
}
if (atomic_read(&acb->ccboutstandingcount)) {
- int i;
-
arcmsr_abort_allcmd(acb);
arcmsr_done4abort_postqueue(acb);
for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
- struct CommandControlBlock *ccb = acb->pccb_pool[i];
+ struct CommandControlBlock *ccb =
+ acb->pccb_pool[i];
if (ccb->startdone == ARCMSR_CCB_START) {
ccb->startdone = ARCMSR_CCB_ABORTED;
ccb->pcmd->result = DID_ABORT << 16;
@@ -1028,9 +1628,17 @@ static void arcmsr_remove(struct pci_dev
}
}
}
- free_irq(pdev->irq, acb);
arcmsr_free_ccb_pool(acb);
- arcmsr_free_hbb_mu(acb);
+ arcmsr_free_mu(acb);
+ if (acb->acb_flags & ACB_F_MSI_ENABLED) {
+ free_irq(pdev->irq, acb);
+ pci_disable_msi(pdev);
+ } else if (acb->acb_flags & ACB_F_MSIX_ENABLED) {
+ for (i = 0; i < ARCMST_NUM_MSIX_VECTORS; i++)
+ free_irq(acb->entries[i].vector, acb);
+ pci_disable_msix(pdev);
+ } else
+ free_irq(pdev->irq, acb);
arcmsr_unmap_pciregion(acb);
pci_release_regions(pdev);
scsi_host_put(host);
@@ -1038,14 +1646,22 @@ static void arcmsr_remove(struct pci_dev
pci_set_drvdata(pdev, NULL);
}
-static void arcmsr_shutdown(struct pci_dev *pdev)
+static void
+arcmsr_shutdown(struct pci_dev *pdev)
{
+ int i;
struct Scsi_Host *host = pci_get_drvdata(pdev);
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *)host->hostdata;
del_timer_sync(&acb->eternal_timer);
arcmsr_disable_outbound_ints(acb);
- flush_work(&acb->arcmsr_do_message_isr_bh);
+ if (acb->acb_flags & ACB_F_MSIX_ENABLED) {
+ for (i = 0; i < ARCMST_NUM_MSIX_VECTORS; i++)
+ free_irq(acb->entries[i].vector, acb);
+ pci_disable_msix(pdev);
+ } else
+ free_irq(pdev->irq, acb);
+ flush_work_sync(&acb->arcmsr_do_message_isr_bh);
arcmsr_stop_adapter_bgrb(acb);
arcmsr_flush_adapter_cache(acb);
}
@@ -1064,7 +1680,8 @@ static void arcmsr_module_exit(void)
module_init(arcmsr_module_init);
module_exit(arcmsr_module_exit);
-static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
+static void
+arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
u32 intmask_org)
{
u32 mask;
@@ -1072,11 +1689,13 @@ static void arcmsr_enable_outbound_ints(
case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA;
- mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE |
- ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE|
- ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE);
+ mask = intmask_org &
+ ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE |
+ ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE |
+ ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE);
writel(mask, ®->outbound_intmask);
- acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff;
+ acb->outbound_int_enable = ~(intmask_org & mask) &
+ 0x000000ff;
}
break;
@@ -1087,22 +1706,34 @@ static void arcmsr_enable_outbound_ints(
ARCMSR_IOP2DRV_CDB_DONE |
ARCMSR_IOP2DRV_MESSAGE_CMD_DONE);
writel(mask, reg->iop2drv_doorbell_mask);
- acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f;
+ acb->outbound_int_enable = (intmask_org | mask) &
+ 0x0000000f;
}
break;
case ACB_ADAPTER_TYPE_C: {
- struct MessageUnit_C *reg = acb->pmuC;
- mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK|ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK);
+ struct MessageUnit_C __iomem *reg = acb->pmuC;
+ mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK |
+ ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK |
+ ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK);
writel(intmask_org & mask, ®->host_int_mask);
- acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f;
+ acb->outbound_int_enable = ~(intmask_org & mask) &
+ 0x0000000f;
}
+ break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D __iomem *reg = acb->pmuD;
+ mask = ARCMSR_ARC1214_ALL_INT_ENABLE;
+ writel(intmask_org | mask, reg->pcief0_int_enable);
+ }
}
}
-static int arcmsr_build_ccb(struct AdapterControlBlock *acb,
+static int
+arcmsr_build_ccb(struct AdapterControlBlock *acb,
struct CommandControlBlock *ccb, struct scsi_cmnd *pcmd)
{
- struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
+ struct ARCMSR_CDB *arcmsr_cdb =
+ (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
int8_t *psge = (int8_t *)&arcmsr_cdb->u;
__le32 address_lo, address_hi;
int arccdbsize = 0x30;
@@ -1115,7 +1746,6 @@ static int arcmsr_build_ccb(struct Adapt
arcmsr_cdb->TargetID = pcmd->device->id;
arcmsr_cdb->LUN = pcmd->device->lun;
arcmsr_cdb->Function = 1;
- arcmsr_cdb->Context = 0;
memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len);
nseg = scsi_dma_map(pcmd);
@@ -1127,25 +1757,27 @@ static int arcmsr_build_ccb(struct Adapt
address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sg)));
address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sg)));
if (address_hi == 0) {
- struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge;
-
+ struct SG32ENTRY *pdma_sg =
+ (struct SG32ENTRY *)psge;
pdma_sg->address = address_lo;
pdma_sg->length = length;
psge += sizeof (struct SG32ENTRY);
arccdbsize += sizeof (struct SG32ENTRY);
} else {
- struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge;
-
+ struct SG64ENTRY *pdma_sg =
+ (struct SG64ENTRY *)psge;
pdma_sg->addresshigh = address_hi;
pdma_sg->address = address_lo;
- pdma_sg->length = length|cpu_to_le32(IS_SG64_ADDR);
+ pdma_sg->length = length |
+ cpu_to_le32(IS_SG64_ADDR);
psge += sizeof (struct SG64ENTRY);
arccdbsize += sizeof (struct SG64ENTRY);
}
}
arcmsr_cdb->sgcount = (uint8_t)nseg;
arcmsr_cdb->DataLength = scsi_bufflen(pcmd);
- arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0);
+ arcmsr_cdb->msgPages = arccdbsize / 0x100 +
+ (arccdbsize % 0x100 ? 1 : 0);
if ( arccdbsize > 256)
arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE;
if (pcmd->sc_data_direction == DMA_TO_DEVICE)
@@ -1154,10 +1786,14 @@ static int arcmsr_build_ccb(struct Adapt
return SUCCESS;
}
-static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb)
-{
- uint32_t cdb_phyaddr_pattern = ccb->cdb_phyaddr_pattern;
- struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
+static void
+arcmsr_post_ccb(struct AdapterControlBlock *acb,
+ struct CommandControlBlock *ccb)
+{
+ uint32_t cdb_phyaddr = ccb->cdb_phyaddr;
+ struct ARCMSR_CDB *arcmsr_cdb =
+ (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
+ u32 arccdbsize = ccb->arc_cdb_size;
atomic_inc(&acb->ccboutstandingcount);
ccb->startdone = ARCMSR_CCB_START;
switch (acb->adapter_type) {
@@ -1165,10 +1801,11 @@ static void arcmsr_post_ccb(struct Adapt
struct MessageUnit_A __iomem *reg = acb->pmuA;
if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE)
- writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
+ writel(cdb_phyaddr |
+ ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
®->inbound_queueport);
else {
- writel(cdb_phyaddr_pattern, ®->inbound_queueport);
+ writel(cdb_phyaddr, ®->inbound_queueport);
}
}
break;
@@ -1177,119 +1814,209 @@ static void arcmsr_post_ccb(struct Adapt
struct MessageUnit_B *reg = acb->pmuB;
uint32_t ending_index, index = reg->postq_index;
- ending_index = ((index + 1) % ARCMSR_MAX_HBB_POSTQUEUE);
+ ending_index = ((index + 1) %
+ ARCMSR_MAX_HBB_POSTQUEUE);
writel(0, ®->post_qbuffer[ending_index]);
if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) {
- writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\
- ®->post_qbuffer[index]);
+ writel(cdb_phyaddr |
+ ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
+ ®->post_qbuffer[index]);
} else {
- writel(cdb_phyaddr_pattern, ®->post_qbuffer[index]);
+ writel(cdb_phyaddr,
+ ®->post_qbuffer[index]);
}
index++;
- index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */
+ index %= ARCMSR_MAX_HBB_POSTQUEUE;
reg->postq_index = index;
- writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell);
+ writel(ARCMSR_DRV2IOP_CDB_POSTED,
+ reg->drv2iop_doorbell);
}
break;
case ACB_ADAPTER_TYPE_C: {
- struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)acb->pmuC;
+ struct MessageUnit_C *phbcmu =
+ (struct MessageUnit_C *)acb->pmuC;
uint32_t ccb_post_stamp, arc_cdb_size;
- arc_cdb_size = (ccb->arc_cdb_size > 0x300) ? 0x300 : ccb->arc_cdb_size;
- ccb_post_stamp = (cdb_phyaddr_pattern | ((arc_cdb_size - 1) >> 6) | 1);
+ arc_cdb_size = (ccb->arc_cdb_size > 0x300)
+ ? 0x300 : ccb->arc_cdb_size;
+ ccb_post_stamp = (cdb_phyaddr |
+ ((arc_cdb_size - 1) >> 6) | 1);
if (acb->cdb_phyaddr_hi32) {
- writel(acb->cdb_phyaddr_hi32, &phbcmu->inbound_queueport_high);
- writel(ccb_post_stamp, &phbcmu->inbound_queueport_low);
+ writel(acb->cdb_phyaddr_hi32,
+ &phbcmu->inbound_queueport_high);
+ writel(ccb_post_stamp,
+ &phbcmu->inbound_queueport_low);
} else {
- writel(ccb_post_stamp, &phbcmu->inbound_queueport_low);
+ writel(ccb_post_stamp,
+ &phbcmu->inbound_queueport_low);
+ }
}
+ break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D *pmu = acb->pmuD;
+ u16 index_stripped;
+ u16 postq_index;
+ unsigned long flags;
+ struct InBound_SRB *pinbound_srb;
+ spin_lock_irqsave(&acb->postq_lock, flags);
+ postq_index = pmu->postq_index;
+ pinbound_srb = (struct InBound_SRB *)&pmu->post_qbuffer[postq_index & 0xFF];
+ pinbound_srb->addressHigh = dma_addr_hi32(cdb_phyaddr);
+ pinbound_srb->addressLow = dma_addr_lo32(cdb_phyaddr);
+ pinbound_srb->length = arccdbsize / 4;
+ arcmsr_cdb->msgContext = dma_addr_lo32(cdb_phyaddr);
+ if (postq_index & 0x4000) {
+ index_stripped = postq_index & 0xFF;
+ index_stripped += 1;
+ index_stripped %= ARCMSR_MAX_ARC1214_POSTQUEUE;
+ pmu->postq_index = index_stripped ? (index_stripped | 0x4000) : index_stripped;
+ } else {
+ index_stripped = postq_index;
+ index_stripped += 1;
+ index_stripped %= ARCMSR_MAX_ARC1214_POSTQUEUE;
+ pmu->postq_index = index_stripped ? index_stripped : (index_stripped | 0x4000);
}
+ writel(postq_index, pmu->inboundlist_write_pointer);
+ spin_unlock_irqrestore(&acb->postq_lock, flags);
+ }
}
}
-static void arcmsr_stop_hba_bgrb(struct AdapterControlBlock *acb)
+static void arcmsr_hbaA_stop_bgrb(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0);
- if (!arcmsr_hba_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE
- "arcmsr%d: wait 'stop adapter background rebulid' timeout \n"
- , acb->host->host_no);
+ if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: wait 'stop adapter "
+ "background rebulid' timeout\n"
+ , acb->host->host_no);
}
}
-static void arcmsr_stop_hbb_bgrb(struct AdapterControlBlock *acb)
+static void
+arcmsr_hbaB_stop_bgrb(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell);
- if (!arcmsr_hbb_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE
- "arcmsr%d: wait 'stop adapter background rebulid' timeout \n"
- , acb->host->host_no);
+ if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: wait 'stop adapter "
+ "background rebulid' timeout\n"
+ , acb->host->host_no);
}
}
-static void arcmsr_stop_hbc_bgrb(struct AdapterControlBlock *pACB)
+static void
+arcmsr_hbaC_stop_bgrb(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC;
pACB->acb_flags &= ~ACB_F_MSG_START_BGRB;
writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0);
- writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
- if (!arcmsr_hbc_wait_msgint_ready(pACB)) {
- printk(KERN_NOTICE
- "arcmsr%d: wait 'stop adapter background rebulid' timeout \n"
- , pACB->host->host_no);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE,
+ ®->inbound_doorbell);
+ if (!arcmsr_hbaC_wait_msgint_ready(pACB)) {
+ pr_notice("arcmsr%d: wait 'stop adapter "
+ "background rebulid' timeout\n"
+ , pACB->host->host_no);
}
return;
}
-static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
+
+static void
+arcmsr_hbaD_stop_bgrb(struct AdapterControlBlock *pACB)
{
- switch (acb->adapter_type) {
+ struct MessageUnit_D __iomem *reg =
+ (struct MessageUnit_D *)pACB->pmuD;
+
+ pACB->acb_flags &= ~ACB_F_MSG_START_BGRB;
+ writel(ARCMSR_INBOUND_MESG0_STOP_BGRB,
+ reg->inbound_msgaddr0);
+ if (!arcmsr_hbaD_wait_msgint_ready(pACB)) {
+ pr_notice("arcmsr%d: wait 'stop adapter background "
+ "rebulid' timeout\n"
+ , pACB->host->host_no);
+ }
+ return;
+}
+
+static void
+arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
+{
+ switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
- arcmsr_stop_hba_bgrb(acb);
- }
+ arcmsr_hbaA_stop_bgrb(acb);
break;
-
+ }
case ACB_ADAPTER_TYPE_B: {
- arcmsr_stop_hbb_bgrb(acb);
- }
+ arcmsr_hbaB_stop_bgrb(acb);
break;
+ }
case ACB_ADAPTER_TYPE_C: {
- arcmsr_stop_hbc_bgrb(acb);
- }
+ arcmsr_hbaC_stop_bgrb(acb);
+ break;
+ }
+ case ACB_ADAPTER_TYPE_D: {
+ arcmsr_hbaD_stop_bgrb(acb);
+ break;
+ }
}
}
-static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb)
+static void
+arcmsr_free_ccb_pool(struct AdapterControlBlock *acb)
{
- dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle);
+ switch (acb->adapter_type) {
+ case ACB_ADAPTER_TYPE_A:
+ case ACB_ADAPTER_TYPE_C:
+ case ACB_ADAPTER_TYPE_B:
+ dma_free_coherent(&acb->pdev->dev, acb->uncache_size,
+ acb->dma_coherent, acb->dma_coherent_handle);
+ break;
+ case ACB_ADAPTER_TYPE_D: {
+ dma_free_coherent(&acb->pdev->dev, acb->roundup_ccbsize,
+ acb->dma_coherent2, acb->dma_coherent_handle2);
+ break;
+ }
+ }
}
-void arcmsr_iop_message_read(struct AdapterControlBlock *acb)
+void
+arcmsr_iop_message_read(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA;
- writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell);
+ writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
+ ®->inbound_doorbell);
}
break;
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
- writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell);
+ writel(ARCMSR_DRV2IOP_DATA_READ_OK,
+ reg->drv2iop_doorbell);
}
break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C __iomem *reg = acb->pmuC;
writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell);
+ /*readl(®->inbound_doorbell);*/
}
+ break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D __iomem *reg = acb->pmuD;
+ writel(ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ,
+ reg->inbound_doorbell);
+ /*readl(reg->inbound_doorbell);*/
+ break;
+ }
}
}
-static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb)
+static void
+arcmsr_iop_message_wrote(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
@@ -1298,7 +2025,8 @@ static void arcmsr_iop_message_wrote(str
** push inbound doorbell tell iop, driver data write ok
** and wait reply on next hwinterrupt for next Qbuffer post
*/
- writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK, ®->inbound_doorbell);
+ writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK,
+ ®->inbound_doorbell);
}
break;
@@ -1308,7 +2036,8 @@ static void arcmsr_iop_message_wrote(str
** push inbound doorbell tell iop, driver data write ok
** and wait reply on next hwinterrupt for next Qbuffer post
*/
- writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell);
+ writel(ARCMSR_DRV2IOP_DATA_WRITE_OK,
+ reg->drv2iop_doorbell);
}
break;
case ACB_ADAPTER_TYPE_C: {
@@ -1317,13 +2046,21 @@ static void arcmsr_iop_message_wrote(str
** push inbound doorbell tell iop, driver data write ok
** and wait reply on next hwinterrupt for next Qbuffer post
*/
- writel(ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK, ®->inbound_doorbell);
+ writel(ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK,
+ ®->inbound_doorbell);
}
break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D __iomem *reg = acb->pmuD;
+ writel(ARCMSR_ARC1214_DRV2IOP_DATA_IN_READY,
+ reg->inbound_doorbell);
+ break;
+ }
}
}
-struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
+struct QBUFFER __iomem
+*arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
{
struct QBUFFER __iomem *qbuffer = NULL;
switch (acb->adapter_type) {
@@ -1340,21 +2077,30 @@ struct QBUFFER __iomem *arcmsr_get_iop_r
}
break;
case ACB_ADAPTER_TYPE_C: {
- struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)acb->pmuC;
+ struct MessageUnit_C *phbcmu =
+ (struct MessageUnit_C *)acb->pmuC;
qbuffer = (struct QBUFFER __iomem *)&phbcmu->message_rbuffer;
}
+ break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D __iomem *reg =
+ (struct MessageUnit_D *)acb->pmuD;
+ qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer;
+ break;
+ }
}
return qbuffer;
}
-static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb)
+struct QBUFFER __iomem
+*arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb)
{
struct QBUFFER __iomem *pqbuffer = NULL;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA;
- pqbuffer = (struct QBUFFER __iomem *) ®->message_wbuffer;
+ pqbuffer = (struct QBUFFER __iomem *)®->message_wbuffer;
}
break;
@@ -1366,46 +2112,84 @@ static struct QBUFFER __iomem *arcmsr_ge
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
pqbuffer = (struct QBUFFER __iomem *)®->message_wbuffer;
+ }
+ break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D __iomem *pmu =
+ (struct MessageUnit_D *)acb->pmuD;
+ pqbuffer = (struct QBUFFER __iomem *)pmu->message_wbuffer;
+ break;
}
-
}
return pqbuffer;
}
-static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb)
+void
+arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb)
{
- struct QBUFFER __iomem *prbuffer;
- struct QBUFFER *pQbuffer;
- uint8_t __iomem *iop_data;
- int32_t my_empty_len, iop_len, rqbuf_firstindex, rqbuf_lastindex;
+ uint8_t __iomem *iop_data, *pQbuffer, *vaddr, *temp;
+ int32_t buf_empty_len, data_len, data_len_residual;
+ uint32_t rqbuf_firstindex, rqbuf_lastindex;
+ unsigned long flags;
+ struct QBUFFER __iomem *prbuffer;
+ spin_lock_irqsave(&acb->rqbuffer_lock, flags);
rqbuf_lastindex = acb->rqbuf_lastindex;
rqbuf_firstindex = acb->rqbuf_firstindex;
prbuffer = arcmsr_get_iop_rqbuffer(acb);
iop_data = (uint8_t __iomem *)prbuffer->data;
- iop_len = prbuffer->data_len;
- my_empty_len = (rqbuf_firstindex - rqbuf_lastindex - 1) & (ARCMSR_MAX_QBUFFER - 1);
-
- if (my_empty_len >= iop_len)
- {
- while (iop_len > 0) {
- pQbuffer = (struct QBUFFER *)&acb->rqbuffer[rqbuf_lastindex];
- memcpy(pQbuffer, iop_data, 1);
- rqbuf_lastindex++;
- rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
- iop_data++;
- iop_len--;
+ data_len_residual = data_len = readl(&prbuffer->data_len);
+ buf_empty_len = (rqbuf_firstindex - rqbuf_lastindex - 1) &
+ (ARCMSR_MAX_QBUFFER - 1);
+ if (buf_empty_len >= data_len) {
+ if (data_len > 0) {
+ temp = vaddr = kmalloc(data_len, GFP_ATOMIC);
+ if (!vaddr) {
+ goto leave;
+ }
+ acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
+ while (data_len_residual >= 4) {
+ memcpy(temp, iop_data, 4);
+ temp += 4;
+ iop_data += 4;
+ data_len_residual -= 4;
+ }
+ if ((data_len_residual > 0) &&
+ (data_len_residual < 4)) {
+ memcpy(temp, iop_data, data_len_residual);
+ }
+ pQbuffer = &acb->rqbuffer[rqbuf_lastindex];
+ temp = vaddr;
+ if ((rqbuf_lastindex + data_len) >
+ ARCMSR_MAX_QBUFFER) {
+ memcpy(pQbuffer, temp,
+ ARCMSR_MAX_QBUFFER - rqbuf_lastindex);
+ temp += (ARCMSR_MAX_QBUFFER -
+ rqbuf_lastindex);
+ rqbuf_lastindex = (rqbuf_lastindex + data_len)
+ % ARCMSR_MAX_QBUFFER;
+ memcpy(&acb->rqbuffer[0], temp,
+ rqbuf_lastindex);
+ } else {
+ memcpy(pQbuffer, temp, data_len);
+ rqbuf_lastindex = (rqbuf_lastindex + data_len)
+ % ARCMSR_MAX_QBUFFER;
+ }
+ kfree(vaddr);
+ acb->rqbuf_lastindex = rqbuf_lastindex;
+ arcmsr_iop_message_read(acb);
}
- acb->rqbuf_lastindex = rqbuf_lastindex;
- arcmsr_iop_message_read(acb);
- }
-
- else {
+ } else {
acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
}
+ leave:
+ spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
}
-static void arcmsr_iop2drv_data_read_handle(struct AdapterControlBlock *acb)
+void
+arcmsr_iop2drv_data_read_handle(struct AdapterControlBlock *acb)
{
+ unsigned long flags;
+ spin_lock_irqsave(&acb->wqbuffer_lock, flags);
acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_READED;
if (acb->wqbuf_firstindex != acb->wqbuf_lastindex) {
uint8_t *pQbuffer;
@@ -1416,65 +2200,201 @@ static void arcmsr_iop2drv_data_read_han
acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED);
pwbuffer = arcmsr_get_iop_wqbuffer(acb);
iop_data = (uint8_t __iomem *)pwbuffer->data;
-
- while ((acb->wqbuf_firstindex != acb->wqbuf_lastindex) && \
- (allxfer_len < 124)) {
- pQbuffer = &acb->wqbuffer[acb->wqbuf_firstindex];
- memcpy(iop_data, pQbuffer, 1);
- acb->wqbuf_firstindex++;
- acb->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
- iop_data++;
- allxfer_len++;
+ if (acb->wqbuf_firstindex > acb->wqbuf_lastindex) {
+ if ((ARCMSR_MAX_QBUFFER - acb->wqbuf_firstindex) >= 4) {
+ do {
+ pQbuffer =
+ &acb->wqbuffer[acb->wqbuf_firstindex];
+ if (acb->wqbuf_firstindex + 4
+ > ARCMSR_MAX_QBUFFER) {
+ memcpy(iop_data, pQbuffer,
+ ARCMSR_MAX_QBUFFER
+ - acb->wqbuf_firstindex);
+ iop_data += ARCMSR_MAX_QBUFFER
+ - acb->wqbuf_firstindex;
+ acb->wqbuf_firstindex += 4;
+ acb->wqbuf_firstindex %=
+ ARCMSR_MAX_QBUFFER;
+ memcpy(iop_data,
+ &acb->wqbuffer[0],
+ acb->wqbuf_firstindex);
+ iop_data +=
+ acb->wqbuf_firstindex;
+ } else {
+ if ((acb->wqbuf_lastindex
+ - acb->wqbuf_firstindex) > 4) {
+ memcpy(iop_data,
+ pQbuffer, 4);
+ acb->wqbuf_firstindex
+ += 4;
+ acb->wqbuf_firstindex
+ %= ARCMSR_MAX_QBUFFER;
+ iop_data += 4;
+ } else {
+ memcpy(iop_data, pQbuffer,
+ acb->wqbuf_lastindex
+ - acb->wqbuf_firstindex);
+ allxfer_len +=
+ acb->wqbuf_lastindex -
+ acb->wqbuf_firstindex;
+ acb->wqbuf_firstindex =
+ acb->wqbuf_lastindex;
+ break;
+ }
+ }
+ allxfer_len += 4;
+ } while ((acb->wqbuf_firstindex !=
+ acb->wqbuf_lastindex) && (allxfer_len < 124));
+ } else {
+ pQbuffer =
+ &acb->wqbuffer[acb->wqbuf_firstindex];
+ memcpy(iop_data, pQbuffer, ARCMSR_MAX_QBUFFER
+ - acb->wqbuf_firstindex);
+ iop_data += ARCMSR_MAX_QBUFFER
+ - acb->wqbuf_firstindex;
+ allxfer_len = ARCMSR_MAX_QBUFFER
+ - acb->wqbuf_firstindex;
+ acb->wqbuf_firstindex = 0;
+ do {
+ pQbuffer =
+ &acb->wqbuffer[acb->wqbuf_firstindex];
+ if ((acb->wqbuf_lastindex -
+ acb->wqbuf_firstindex) > 4) {
+ memcpy(iop_data, pQbuffer, 4);
+ acb->wqbuf_firstindex += 4;
+ acb->wqbuf_firstindex %=
+ ARCMSR_MAX_QBUFFER;
+ iop_data += 4;
+ } else {
+ memcpy(iop_data, pQbuffer,
+ acb->wqbuf_lastindex -
+ acb->wqbuf_firstindex);
+ allxfer_len +=
+ acb->wqbuf_lastindex
+ - acb->wqbuf_firstindex;
+ acb->wqbuf_firstindex =
+ acb->wqbuf_lastindex;
+ break;
+ }
+ allxfer_len += 4;
+ } while ((acb->wqbuf_firstindex !=
+ acb->wqbuf_lastindex) && (allxfer_len < 124));
+ }
+ } else {
+ do {
+ pQbuffer =
+ &acb->wqbuffer[acb->wqbuf_firstindex];
+ if ((acb->wqbuf_lastindex -
+ acb->wqbuf_firstindex) > 4) {
+ memcpy(iop_data, pQbuffer, 4);
+ acb->wqbuf_firstindex += 4;
+ acb->wqbuf_firstindex %=
+ ARCMSR_MAX_QBUFFER;
+ iop_data += 4;
+ } else {
+ memcpy(iop_data, pQbuffer,
+ acb->wqbuf_lastindex -
+ acb->wqbuf_firstindex);
+ allxfer_len += acb->wqbuf_lastindex
+ - acb->wqbuf_firstindex;
+ acb->wqbuf_firstindex =
+ acb->wqbuf_lastindex;
+ break;
+ }
+ allxfer_len += 4;
+ } while ((acb->wqbuf_firstindex !=
+ acb->wqbuf_lastindex) && (allxfer_len < 124));
}
- pwbuffer->data_len = allxfer_len;
-
- arcmsr_iop_message_wrote(acb);
+ writel(allxfer_len, &pwbuffer->data_len);
+ arcmsr_iop_message_wrote(acb);/*notice IOP the message has been written*/
}
-
if (acb->wqbuf_firstindex == acb->wqbuf_lastindex) {
acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_CLEARED;
}
+ spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
}
-static void arcmsr_hba_doorbell_isr(struct AdapterControlBlock *acb)
+static void
+arcmsr_hbaA_doorbell_isr(struct AdapterControlBlock *acb)
{
uint32_t outbound_doorbell;
- struct MessageUnit_A __iomem *reg = acb->pmuA;
+ struct MessageUnit_A __iomem *reg = acb->pmuA;
outbound_doorbell = readl(®->outbound_doorbell);
- writel(outbound_doorbell, ®->outbound_doorbell);
- if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) {
- arcmsr_iop2drv_data_wrote_handle(acb);
- }
-
- if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) {
- arcmsr_iop2drv_data_read_handle(acb);
- }
+ do {
+ writel(outbound_doorbell, ®->outbound_doorbell);
+ if (outbound_doorbell &
+ ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) {
+ arcmsr_iop2drv_data_wrote_handle(acb);
+ }
+ if (outbound_doorbell &
+ ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) {
+ arcmsr_iop2drv_data_read_handle(acb);
+ }
+ outbound_doorbell = readl(®->outbound_doorbell);
+ } while (outbound_doorbell &
+ (ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK
+ | ARCMSR_OUTBOUND_IOP331_DATA_READ_OK));
}
-static void arcmsr_hbc_doorbell_isr(struct AdapterControlBlock *pACB)
+static void
+arcmsr_hbaC_doorbell_isr(struct AdapterControlBlock *pACB)
{
uint32_t outbound_doorbell;
- struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC;
- /*
- *******************************************************************
- ** Maybe here we need to check wrqbuffer_lock is lock or not
- ** DOORBELL: din! don!
- ** check if there are any mail need to pack from firmware
- *******************************************************************
- */
+ struct MessageUnit_C __iomem *reg =
+ (struct MessageUnit_C *)pACB->pmuC;
outbound_doorbell = readl(®->outbound_doorbell);
- writel(outbound_doorbell, ®->outbound_doorbell_clear);/*clear interrupt*/
- if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) {
- arcmsr_iop2drv_data_wrote_handle(pACB);
- }
- if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK) {
- arcmsr_iop2drv_data_read_handle(pACB);
- }
- if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
- arcmsr_hbc_message_isr(pACB); /* messenger of "driver to iop commands" */
- }
+ do {
+ if (outbound_doorbell &
+ ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
+ arcmsr_hbaC_message_isr(pACB);
+ }
+ writel(outbound_doorbell, ®->outbound_doorbell_clear);
+ readl(®->outbound_doorbell_clear);
+ if (outbound_doorbell &
+ ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) {
+ arcmsr_iop2drv_data_wrote_handle(pACB);
+ }
+ if (outbound_doorbell &
+ ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK) {
+ arcmsr_iop2drv_data_read_handle(pACB);
+ }
+ outbound_doorbell = readl(®->outbound_doorbell);
+ } while (outbound_doorbell & (ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK
+ | ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK
+ | ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE));
+ return;
+}
+
+static void
+arcmsr_hbaD_doorbell_isr(struct AdapterControlBlock *pACB)
+{
+ uint32_t outbound_doorbell;
+ struct MessageUnit_D __iomem *pmu =
+ (struct MessageUnit_D *)pACB->pmuD;
+
+ outbound_doorbell = readl(pmu->outbound_doorbell);
+ do {
+ writel(outbound_doorbell, pmu->outbound_doorbell);
+ if (outbound_doorbell &
+ ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE) {
+ arcmsr_hbaD_message_isr(pACB);
+ }
+ if (outbound_doorbell &
+ ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK) {
+ arcmsr_iop2drv_data_wrote_handle(pACB);
+ }
+ if (outbound_doorbell &
+ ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK) {
+ arcmsr_iop2drv_data_read_handle(pACB);
+ }
+ outbound_doorbell = readl(pmu->outbound_doorbell);
+ } while (outbound_doorbell & (ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK
+ | ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK
+ | ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE));
return;
}
-static void arcmsr_hba_postqueue_isr(struct AdapterControlBlock *acb)
+
+static void
+arcmsr_hbaA_postqueue_isr(struct AdapterControlBlock *acb)
{
uint32_t flag_ccb;
struct MessageUnit_A __iomem *reg = acb->pmuA;
@@ -1482,13 +2402,17 @@ static void arcmsr_hba_postqueue_isr(str
struct CommandControlBlock *pCCB;
bool error;
while ((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) {
- pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/
- pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
- error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
+ pARCMSR_CDB = (struct ARCMSR_CDB *)
+ (acb->vir2phy_offset + (flag_ccb << 5));
+ pCCB = container_of(pARCMSR_CDB,
+ struct CommandControlBlock, arcmsr_cdb);
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0)
+ ? true : false;
arcmsr_drain_donequeue(acb, pCCB, error);
}
}
-static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb)
+static void
+arcmsr_hbaB_postqueue_isr(struct AdapterControlBlock *acb)
{
uint32_t index;
uint32_t flag_ccb;
@@ -1499,9 +2423,13 @@ static void arcmsr_hbb_postqueue_isr(str
index = reg->doneq_index;
while ((flag_ccb = readl(®->done_qbuffer[index])) != 0) {
writel(0, ®->done_qbuffer[index]);
- pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/
- pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
- error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
+ pARCMSR_CDB = (struct ARCMSR_CDB *)
+ (acb->vir2phy_offset + (flag_ccb << 5));
+ pCCB = container_of(pARCMSR_CDB,
+ struct CommandControlBlock, arcmsr_cdb);
+ error = (flag_ccb &
+ ARCMSR_CCBREPLY_FLAG_ERROR_MODE0)
+ ? true : false;
arcmsr_drain_donequeue(acb, pCCB, error);
index++;
index %= ARCMSR_MAX_HBB_POSTQUEUE;
@@ -1509,51 +2437,102 @@ static void arcmsr_hbb_postqueue_isr(str
}
}
-static void arcmsr_hbc_postqueue_isr(struct AdapterControlBlock *acb)
+static void
+arcmsr_hbaC_postqueue_isr(struct AdapterControlBlock *acb)
{
- struct MessageUnit_C *phbcmu;
- struct ARCMSR_CDB *arcmsr_cdb;
- struct CommandControlBlock *ccb;
uint32_t flag_ccb, ccb_cdb_phy, throttling = 0;
int error;
+ struct MessageUnit_C __iomem *phbcmu;
+ struct ARCMSR_CDB *arcmsr_cdb;
+ struct CommandControlBlock *ccb;
phbcmu = (struct MessageUnit_C *)acb->pmuC;
/* areca cdb command done */
/* Use correct offset and size for syncing */
+ do {
+ /* check if command done with no error*/
+ flag_ccb = readl(&phbcmu->outbound_queueport_low);
+ ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
+ arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset
+ + ccb_cdb_phy);
+ ccb = container_of(arcmsr_cdb, struct CommandControlBlock,
+ arcmsr_cdb);
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1)
+ ? true : false;
+ /* check if command done with no error */
+ arcmsr_drain_donequeue(acb, ccb, error);
+ if (throttling == ARCMSR_HBC_ISR_THROTTLING_LEVEL) {
+ writel(ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING,
+ &phbcmu->inbound_doorbell);
+ continue;
+ }
+ throttling++;
+ } while (readl(&phbcmu->host_int_status) &
+ ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR);
+}
- while (readl(&phbcmu->host_int_status) &
- ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR){
- /* check if command done with no error*/
- flag_ccb = readl(&phbcmu->outbound_queueport_low);
- ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);/*frame must be 32 bytes aligned*/
- arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy);
- ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
- error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
- /* check if command done with no error */
- arcmsr_drain_donequeue(acb, ccb, error);
- if (throttling == ARCMSR_HBC_ISR_THROTTLING_LEVEL) {
- writel(ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING, &phbcmu->inbound_doorbell);
- break;
- }
- throttling++;
- }
+static void
+arcmsr_hbaD_postqueue_isr(struct AdapterControlBlock *acb)
+{
+ u32 outbound_write_pointer, doneq_index, index_stripped;
+ uint32_t addressLow, ccb_cdb_phy;
+ int error;
+ struct MessageUnit_D __iomem *pmu;
+ struct ARCMSR_CDB *arcmsr_cdb;
+ struct CommandControlBlock *ccb;
+ unsigned long flags;
+
+ spin_lock_irqsave(&acb->doneq_lock, flags);
+ pmu = (struct MessageUnit_D *)acb->pmuD;
+ outbound_write_pointer = pmu->done_qbuffer[0].addressLow + 1;
+ doneq_index = pmu->doneq_index;
+ if ((doneq_index & 0xFFF) != (outbound_write_pointer & 0xFFF)) {
+ do {
+ if (doneq_index & 0x4000) {
+ index_stripped = doneq_index & 0xFFF;
+ index_stripped += 1;
+ index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE;
+ pmu->doneq_index = index_stripped
+ ? (index_stripped | 0x4000) : (index_stripped + 1);
+ } else {
+ index_stripped = doneq_index;
+ index_stripped += 1;
+ index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE;
+ pmu->doneq_index = index_stripped
+ ? index_stripped : ((index_stripped | 0x4000) + 1);
+ }
+ doneq_index = pmu->doneq_index;
+ addressLow =
+ pmu->done_qbuffer[doneq_index & 0xFFF].addressLow;
+ ccb_cdb_phy = (addressLow & 0xFFFFFFF0);
+ arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset
+ + ccb_cdb_phy);
+ ccb = container_of(arcmsr_cdb,
+ struct CommandControlBlock, arcmsr_cdb);
+ error = (addressLow & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1)
+ ? true : false;
+ arcmsr_drain_donequeue(acb, ccb, error);
+ writel(doneq_index,
+ pmu->outboundlist_read_pointer);
+ } while ((doneq_index & 0xFFF) !=
+ (outbound_write_pointer & 0xFFF));
+ }
+ writel(ARCMSR_ARC1214_OUTBOUND_LIST_INTERRUPT_CLEAR,
+ pmu->outboundlist_interrupt_cause);
+ readl(pmu->outboundlist_interrupt_cause);
+ spin_unlock_irqrestore(&acb->doneq_lock, flags);
}
-/*
-**********************************************************************************
-** Handle a message interrupt
-**
-** The only message interrupt we expect is in response to a query for the current adapter config.
-** We want this in order to compare the drivemap so that we can detect newly-attached drives.
-**********************************************************************************
-*/
-static void arcmsr_hba_message_isr(struct AdapterControlBlock *acb)
+
+static void
+arcmsr_hbaA_message_isr(struct AdapterControlBlock *acb)
{
struct MessageUnit_A *reg = acb->pmuA;
/*clear interrupt and message state*/
writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, ®->outbound_intstatus);
schedule_work(&acb->arcmsr_do_message_isr_bh);
}
-static void arcmsr_hbb_message_isr(struct AdapterControlBlock *acb)
+static void
+arcmsr_hbaB_message_isr(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
@@ -1561,126 +2540,161 @@ static void arcmsr_hbb_message_isr(struc
writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
schedule_work(&acb->arcmsr_do_message_isr_bh);
}
-/*
-**********************************************************************************
-** Handle a message interrupt
-**
-** The only message interrupt we expect is in response to a query for the
-** current adapter config.
-** We want this in order to compare the drivemap so that we can detect newly-attached drives.
-**********************************************************************************
-*/
-static void arcmsr_hbc_message_isr(struct AdapterControlBlock *acb)
+
+static void
+arcmsr_hbaC_message_isr(struct AdapterControlBlock *acb)
{
struct MessageUnit_C *reg = acb->pmuC;
/*clear interrupt and message state*/
- writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear);
+ writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
+ ®->outbound_doorbell_clear);
+ schedule_work(&acb->arcmsr_do_message_isr_bh);
+}
+
+static void
+arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb)
+{
+ struct MessageUnit_D __iomem *reg = acb->pmuD;
+ writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE,
+ reg->outbound_doorbell);
+ readl(reg->outbound_doorbell);
schedule_work(&acb->arcmsr_do_message_isr_bh);
}
-static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb)
+static irqreturn_t
+arcmsr_hbaA_handle_isr(struct AdapterControlBlock *acb)
{
uint32_t outbound_intstatus;
struct MessageUnit_A __iomem *reg = acb->pmuA;
- outbound_intstatus = readl(®->outbound_intstatus) &
- acb->outbound_int_enable;
- if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) {
- return 1;
- }
- writel(outbound_intstatus, ®->outbound_intstatus);
- if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) {
- arcmsr_hba_doorbell_isr(acb);
+ outbound_intstatus =
+ readl(®->outbound_intstatus) & acb->outbound_int_enable;
+ if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) {
+ return IRQ_NONE;
}
- if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) {
- arcmsr_hba_postqueue_isr(acb);
- }
- if(outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
- /* messenger of "driver to iop commands" */
- arcmsr_hba_message_isr(acb);
- }
- return 0;
+ do {
+ writel(outbound_intstatus, ®->outbound_intstatus);
+ if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT)
+ arcmsr_hbaA_doorbell_isr(acb);
+ if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT)
+ arcmsr_hbaA_postqueue_isr(acb);
+ if (outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT)
+ arcmsr_hbaA_message_isr(acb);
+ outbound_intstatus = readl(®->outbound_intstatus) &
+ acb->outbound_int_enable;
+ } while (outbound_intstatus & (ARCMSR_MU_OUTBOUND_DOORBELL_INT
+ | ARCMSR_MU_OUTBOUND_POSTQUEUE_INT
+ | ARCMSR_MU_OUTBOUND_MESSAGE0_INT));
+ return IRQ_HANDLED;
}
-static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb)
+static irqreturn_t
+arcmsr_hbaB_handle_isr(struct AdapterControlBlock *acb)
{
uint32_t outbound_doorbell;
struct MessageUnit_B *reg = acb->pmuB;
- outbound_doorbell = readl(reg->iop2drv_doorbell) &
- acb->outbound_int_enable;
+ outbound_doorbell = readl(reg->iop2drv_doorbell)
+ & acb->outbound_int_enable;
if (!outbound_doorbell)
- return 1;
-
- writel(~outbound_doorbell, reg->iop2drv_doorbell);
- /*in case the last action of doorbell interrupt clearance is cached,
- this action can push HW to write down the clear bit*/
- readl(reg->iop2drv_doorbell);
- writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
- if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) {
- arcmsr_iop2drv_data_wrote_handle(acb);
- }
- if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_READ_OK) {
- arcmsr_iop2drv_data_read_handle(acb);
- }
- if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE) {
- arcmsr_hbb_postqueue_isr(acb);
- }
- if(outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
- /* messenger of "driver to iop commands" */
- arcmsr_hbb_message_isr(acb);
- }
- return 0;
+ return IRQ_NONE;
+ do {
+ writel(~outbound_doorbell, reg->iop2drv_doorbell);
+ readl(reg->iop2drv_doorbell);
+ writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT,
+ reg->drv2iop_doorbell);
+ readl(reg->drv2iop_doorbell);
+ if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK)
+ arcmsr_iop2drv_data_wrote_handle(acb);
+ if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_READ_OK)
+ arcmsr_iop2drv_data_read_handle(acb);
+ if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE)
+ arcmsr_hbaB_postqueue_isr(acb);
+ if (outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE)
+ arcmsr_hbaB_message_isr(acb);
+ outbound_doorbell = readl(reg->iop2drv_doorbell) &
+ acb->outbound_int_enable;
+ } while (outbound_doorbell & (ARCMSR_IOP2DRV_DATA_WRITE_OK
+ | ARCMSR_IOP2DRV_DATA_READ_OK
+ | ARCMSR_IOP2DRV_CDB_DONE
+ | ARCMSR_IOP2DRV_MESSAGE_CMD_DONE));
+ return IRQ_HANDLED;
}
-static int arcmsr_handle_hbc_isr(struct AdapterControlBlock *pACB)
+static irqreturn_t
+arcmsr_hbaC_handle_isr(struct AdapterControlBlock *pACB)
{
uint32_t host_interrupt_status;
- struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC;
- /*
- *********************************************
- ** check outbound intstatus
- *********************************************
- */
- host_interrupt_status = readl(&phbcmu->host_int_status);
- if (!host_interrupt_status) {
- /*it must be share irq*/
- return 1;
- }
- /* MU ioctl transfer doorbell interrupts*/
- if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR) {
- arcmsr_hbc_doorbell_isr(pACB); /* messenger of "ioctl message read write" */
- }
- /* MU post queue interrupts*/
- if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) {
- arcmsr_hbc_postqueue_isr(pACB); /* messenger of "scsi commands" */
- }
- return 0;
+ struct MessageUnit_C __iomem *phbcmu =
+ (struct MessageUnit_C *)pACB->pmuC;
+ host_interrupt_status =
+ readl(&phbcmu->host_int_status);
+ do {
+ if (host_interrupt_status &
+ ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR) {
+ arcmsr_hbaC_doorbell_isr(pACB);
+ }
+ /* MU post queue interrupts*/
+ if (host_interrupt_status &
+ ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) {
+ arcmsr_hbaC_postqueue_isr(pACB);
+ }
+ host_interrupt_status = readl(&phbcmu->host_int_status);
+ } while (host_interrupt_status &
+ (ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR |
+ ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR));
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+arcmsr_hbaD_handle_isr(struct AdapterControlBlock *pACB)
+{
+ u32 host_interrupt_status;
+ struct MessageUnit_D __iomem *pmu =
+ (struct MessageUnit_D *)pACB->pmuD;
+ host_interrupt_status = readl(pmu->host_int_status);
+ do {
+ /* MU post queue interrupts*/
+ if (host_interrupt_status &
+ ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR) {
+ arcmsr_hbaD_postqueue_isr(pACB);
+ }
+ if (host_interrupt_status &
+ ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR) {
+ arcmsr_hbaD_doorbell_isr(pACB);
+ }
+ host_interrupt_status = readl(pmu->host_int_status);
+ } while (host_interrupt_status &
+ (ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR |
+ ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR));
+ return IRQ_HANDLED;
}
-static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
+
+static irqreturn_t
+arcmsr_interrupt(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
- if (arcmsr_handle_hba_isr(acb)) {
- return IRQ_NONE;
- }
- }
+ return arcmsr_hbaA_handle_isr(acb);
break;
-
+ }
case ACB_ADAPTER_TYPE_B: {
- if (arcmsr_handle_hbb_isr(acb)) {
- return IRQ_NONE;
- }
- }
+ return arcmsr_hbaB_handle_isr(acb);
break;
- case ACB_ADAPTER_TYPE_C: {
- if (arcmsr_handle_hbc_isr(acb)) {
- return IRQ_NONE;
- }
- }
}
- return IRQ_HANDLED;
+ case ACB_ADAPTER_TYPE_C: {
+ return arcmsr_hbaC_handle_isr(acb);
+ break;
+ }
+ case ACB_ADAPTER_TYPE_D: {
+ return arcmsr_hbaD_handle_isr(acb);
+ break;
+ }
+ default:
+ return IRQ_NONE;
+ }
}
-static void arcmsr_iop_parking(struct AdapterControlBlock *acb)
+static void
+arcmsr_iop_parking(struct AdapterControlBlock *acb)
{
if (acb) {
/* stop adapter background rebuild */
@@ -1695,180 +2709,388 @@ static void arcmsr_iop_parking(struct Ad
}
}
-void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb)
+void
+arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb)
{
- int32_t wqbuf_firstindex, wqbuf_lastindex;
- uint8_t *pQbuffer;
- struct QBUFFER __iomem *pwbuffer;
- uint8_t __iomem *iop_data;
- int32_t allxfer_len = 0;
- pwbuffer = arcmsr_get_iop_wqbuffer(acb);
- iop_data = (uint8_t __iomem *)pwbuffer->data;
if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) {
- acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED);
- wqbuf_firstindex = acb->wqbuf_firstindex;
- wqbuf_lastindex = acb->wqbuf_lastindex;
- while ((wqbuf_firstindex != wqbuf_lastindex) && (allxfer_len < 124)) {
- pQbuffer = &acb->wqbuffer[wqbuf_firstindex];
- memcpy(iop_data, pQbuffer, 1);
- wqbuf_firstindex++;
- wqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
- iop_data++;
- allxfer_len++;
- }
- acb->wqbuf_firstindex = wqbuf_firstindex;
- pwbuffer->data_len = allxfer_len;
- arcmsr_iop_message_wrote(acb);
+ if (acb->wqbuf_firstindex != acb->wqbuf_lastindex) {
+ uint8_t *pQbuffer;
+ uint8_t __iomem *iop_data;
+ int32_t allxfer_len = 0;
+ struct QBUFFER __iomem *pwbuffer;
+ acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED);
+ pwbuffer = arcmsr_get_iop_wqbuffer(acb);
+ iop_data = (uint8_t __iomem *)pwbuffer->data;
+ if (acb->wqbuf_firstindex > acb->wqbuf_lastindex) {
+ if ((ARCMSR_MAX_QBUFFER -
+ acb->wqbuf_firstindex) >= 4) {
+ do {
+ pQbuffer =
+ &acb->wqbuffer[acb->wqbuf_firstindex];
+ if (acb->wqbuf_firstindex + 4 >
+ ARCMSR_MAX_QBUFFER) {
+ memcpy(iop_data, pQbuffer,
+ ARCMSR_MAX_QBUFFER - acb->wqbuf_firstindex);
+ iop_data += ARCMSR_MAX_QBUFFER
+ - acb->wqbuf_firstindex;
+ acb->wqbuf_firstindex += 4;
+ acb->wqbuf_firstindex %=
+ ARCMSR_MAX_QBUFFER;
+ memcpy(iop_data,
+ &acb->wqbuffer[0],
+ acb->wqbuf_firstindex);
+ iop_data +=
+ acb->wqbuf_firstindex;
+ } else {
+ if ((acb->wqbuf_lastindex -
+ acb->wqbuf_firstindex) > 4) {
+ memcpy(iop_data,
+ pQbuffer, 4);
+ acb->wqbuf_firstindex
+ += 4;
+ acb->wqbuf_firstindex
+ %= ARCMSR_MAX_QBUFFER;
+ iop_data += 4;
+ } else {
+ memcpy(iop_data,
+ pQbuffer,
+ acb->wqbuf_lastindex
+ - acb->wqbuf_firstindex);
+ allxfer_len +=
+ acb->wqbuf_lastindex
+ - acb->wqbuf_firstindex;
+ acb->wqbuf_firstindex
+ = acb->wqbuf_lastindex;
+ break;
+ }
+ }
+ allxfer_len += 4;
+ } while ((acb->wqbuf_firstindex !=
+ acb->wqbuf_lastindex) &&
+ (allxfer_len < 124));
+ } else {
+ pQbuffer =
+ &acb->wqbuffer[acb->wqbuf_firstindex];
+ memcpy(iop_data, pQbuffer,
+ ARCMSR_MAX_QBUFFER -
+ acb->wqbuf_firstindex);
+ iop_data += ARCMSR_MAX_QBUFFER
+ - acb->wqbuf_firstindex;
+ allxfer_len = ARCMSR_MAX_QBUFFER
+ - acb->wqbuf_firstindex;
+ acb->wqbuf_firstindex = 0;
+ do {
+ pQbuffer =
+ &acb->wqbuffer[acb->wqbuf_firstindex];
+ if ((acb->wqbuf_lastindex -
+ acb->wqbuf_firstindex) > 4) {
+ memcpy(iop_data,
+ pQbuffer, 4);
+ acb->wqbuf_firstindex
+ += 4;
+ acb->wqbuf_firstindex
+ %= ARCMSR_MAX_QBUFFER;
+ iop_data += 4;
+ } else {
+ memcpy(iop_data, pQbuffer,
+ acb->wqbuf_lastindex
+ - acb->wqbuf_firstindex);
+ allxfer_len +=
+ acb->wqbuf_lastindex
+ - acb->wqbuf_firstindex;
+ acb->wqbuf_firstindex =
+ acb->wqbuf_lastindex;
+ break;
+ }
+ allxfer_len += 4;
+ } while ((acb->wqbuf_firstindex
+ != acb->wqbuf_lastindex) &&
+ (allxfer_len < 124));
+ }
+ } else {
+ do {
+ pQbuffer =
+ &acb->wqbuffer[acb->wqbuf_firstindex];
+ if ((acb->wqbuf_lastindex -
+ acb->wqbuf_firstindex) > 4) {
+ memcpy(iop_data,
+ pQbuffer, 4);
+ acb->wqbuf_firstindex
+ += 4;
+ acb->wqbuf_firstindex
+ %= ARCMSR_MAX_QBUFFER;
+ iop_data += 4;
+ } else {
+ memcpy(iop_data, pQbuffer,
+ acb->wqbuf_lastindex -
+ acb->wqbuf_firstindex);
+ allxfer_len += acb->wqbuf_lastindex
+ - acb->wqbuf_firstindex;
+ acb->wqbuf_firstindex =
+ acb->wqbuf_lastindex;
+ break;
+ }
+ allxfer_len += 4;
+ } while ((acb->wqbuf_firstindex !=
+ acb->wqbuf_lastindex) && (allxfer_len < 124));
+ }
+ writel(allxfer_len, &pwbuffer->data_len);
+ arcmsr_iop_message_wrote(acb);
+ }
}
}
-static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
+static int
+arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
struct scsi_cmnd *cmd)
{
- struct CMD_MESSAGE_FIELD *pcmdmessagefld;
- int retvalue = 0, transfer_len = 0;
char *buffer;
+ unsigned short use_sg;
+ int retvalue = 0, transfer_len = 0;
+ unsigned long flags;
+ struct CMD_MESSAGE_FIELD *pcmdmessagefld;
+ uint32_t controlcode = (uint32_t)cmd->cmnd[5] << 24 |
+ (uint32_t)cmd->cmnd[6] << 16 |
+ (uint32_t)cmd->cmnd[7] << 8 |
+ (uint32_t)cmd->cmnd[8];
struct scatterlist *sg;
- uint32_t controlcode = (uint32_t ) cmd->cmnd[5] << 24 |
- (uint32_t ) cmd->cmnd[6] << 16 |
- (uint32_t ) cmd->cmnd[7] << 8 |
- (uint32_t ) cmd->cmnd[8];
- /* 4 bytes: Areca io control code */
+
+ use_sg = scsi_sg_count(cmd);
sg = scsi_sglist(cmd);
buffer = kmap_atomic(sg_page(sg)) + sg->offset;
- if (scsi_sg_count(cmd) > 1) {
+ if (use_sg > 1) {
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
transfer_len += sg->length;
-
if (transfer_len > sizeof(struct CMD_MESSAGE_FIELD)) {
retvalue = ARCMSR_MESSAGE_FAIL;
+ printk("%s: ARCMSR_MESSAGE_FAIL!\n", __func__);
goto message_out;
}
- pcmdmessagefld = (struct CMD_MESSAGE_FIELD *) buffer;
- switch(controlcode) {
-
+ pcmdmessagefld = (struct CMD_MESSAGE_FIELD *)buffer;
+ switch (controlcode) {
case ARCMSR_MESSAGE_READ_RQBUFFER: {
unsigned char *ver_addr;
uint8_t *pQbuffer, *ptmpQbuffer;
- int32_t allxfer_len = 0;
-
+ uint32_t allxfer_len = 0;
ver_addr = kmalloc(1032, GFP_ATOMIC);
if (!ver_addr) {
retvalue = ARCMSR_MESSAGE_FAIL;
+ printk("%s: memory not enough!\n", __func__);
goto message_out;
}
-
ptmpQbuffer = ver_addr;
- while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex)
- && (allxfer_len < 1031)) {
+ spin_lock_irqsave(&acb->rqbuffer_lock, flags);
+ if (acb->rqbuf_firstindex != acb->rqbuf_lastindex) {
pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex];
- memcpy(ptmpQbuffer, pQbuffer, 1);
- acb->rqbuf_firstindex++;
- acb->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
- ptmpQbuffer++;
- allxfer_len++;
+ if (acb->rqbuf_firstindex > acb->rqbuf_lastindex) {
+ if ((ARCMSR_MAX_QBUFFER -
+ acb->rqbuf_firstindex) >= 1032) {
+ memcpy(ptmpQbuffer, pQbuffer, 1032);
+ acb->rqbuf_firstindex += 1032;
+ allxfer_len = 1032;
+ } else {
+ if (((ARCMSR_MAX_QBUFFER -
+ acb->rqbuf_firstindex) +
+ acb->rqbuf_lastindex) > 1032) {
+ memcpy(ptmpQbuffer,
+ pQbuffer, ARCMSR_MAX_QBUFFER
+ - acb->rqbuf_firstindex);
+ ptmpQbuffer +=
+ ARCMSR_MAX_QBUFFER -
+ acb->rqbuf_firstindex;
+ memcpy(ptmpQbuffer,
+ acb->rqbuffer, 1032 -
+ (ARCMSR_MAX_QBUFFER
+ - acb->rqbuf_firstindex));
+ acb->rqbuf_firstindex =
+ 1032 - (ARCMSR_MAX_QBUFFER
+ - acb->rqbuf_firstindex);
+ allxfer_len = 1032;
+ } else {
+ memcpy(ptmpQbuffer,
+ pQbuffer, ARCMSR_MAX_QBUFFER
+ - acb->rqbuf_firstindex);
+ ptmpQbuffer +=
+ ARCMSR_MAX_QBUFFER -
+ acb->rqbuf_firstindex;
+ memcpy(ptmpQbuffer,
+ acb->rqbuffer,
+ acb->rqbuf_lastindex);
+ allxfer_len = ARCMSR_MAX_QBUFFER
+ - acb->rqbuf_firstindex +
+ acb->rqbuf_lastindex;
+ acb->rqbuf_firstindex =
+ acb->rqbuf_lastindex;
+ }
+ }
+ } else {
+ if ((acb->rqbuf_lastindex -
+ acb->rqbuf_firstindex) > 1032) {
+ memcpy(ptmpQbuffer, pQbuffer, 1032);
+ acb->rqbuf_firstindex += 1032;
+ allxfer_len = 1032;
+ } else {
+ memcpy(ptmpQbuffer, pQbuffer,
+ acb->rqbuf_lastindex - acb->rqbuf_firstindex);
+ allxfer_len = acb->rqbuf_lastindex
+ - acb->rqbuf_firstindex;
+ acb->rqbuf_firstindex =
+ acb->rqbuf_lastindex;
+ }
+ }
}
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
-
struct QBUFFER __iomem *prbuffer;
- uint8_t __iomem *iop_data;
- int32_t iop_len;
-
- acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
+ uint8_t __iomem *iop_data, *vaddr, *temp;
+ uint32_t data_len_residual, data_len, rqbuf_lastindex;
+ rqbuf_lastindex = acb->rqbuf_lastindex;
prbuffer = arcmsr_get_iop_rqbuffer(acb);
- iop_data = prbuffer->data;
- iop_len = readl(&prbuffer->data_len);
- while (iop_len > 0) {
- acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data);
- acb->rqbuf_lastindex++;
- acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
- iop_data++;
- iop_len--;
+ iop_data = (uint8_t __iomem *)prbuffer->data;
+ data_len_residual = data_len = readl(&prbuffer->data_len);
+ if (data_len > 0) {
+ temp = vaddr = kmalloc(data_len, GFP_ATOMIC);
+ if (!vaddr) {
+ goto leave;
+ }
+ acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
+ while (data_len_residual >= 4) {
+ memcpy(temp, iop_data, 4);
+ temp += 4;
+ iop_data += 4;
+ data_len_residual -= 4;
+ }
+ if ((data_len_residual > 0) &&
+ (data_len_residual < 4)) {
+ memcpy(temp, iop_data,
+ data_len_residual);
+ }
+ pQbuffer =
+ &acb->rqbuffer[acb->rqbuf_lastindex];
+ temp = vaddr;
+ if ((rqbuf_lastindex + data_len) >
+ ARCMSR_MAX_QBUFFER) {
+ memcpy(pQbuffer, temp,
+ ARCMSR_MAX_QBUFFER - rqbuf_lastindex);
+ temp += (ARCMSR_MAX_QBUFFER -
+ rqbuf_lastindex);
+ rqbuf_lastindex = (rqbuf_lastindex +
+ data_len) % ARCMSR_MAX_QBUFFER;
+ memcpy(&acb->rqbuffer[0],
+ temp, rqbuf_lastindex);
+ } else {
+ memcpy(pQbuffer, temp, data_len);
+ rqbuf_lastindex =
+ (rqbuf_lastindex + data_len) %
+ ARCMSR_MAX_QBUFFER;
+ }
+ kfree(vaddr);
+ acb->rqbuf_lastindex = rqbuf_lastindex;
+ arcmsr_iop_message_read(acb);
}
- arcmsr_iop_message_read(acb);
}
+ leave:
+ spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
memcpy(pcmdmessagefld->messagedatabuffer, ver_addr, allxfer_len);
pcmdmessagefld->cmdmessage.Length = allxfer_len;
- if(acb->fw_flag == FW_DEADLOCK) {
- pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- }else{
- pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
+ if (acb->fw_flag == FW_DEADLOCK) {
+ pcmdmessagefld->cmdmessage.ReturnCode =
+ ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+ } else {
+ pcmdmessagefld->cmdmessage.ReturnCode =
+ ARCMSR_MESSAGE_RETURNCODE_OK;
}
kfree(ver_addr);
- }
break;
-
+ }
case ARCMSR_MESSAGE_WRITE_WQBUFFER: {
unsigned char *ver_addr;
- int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex;
+ int32_t my_empty_len, user_len, wqbuf_firstindex,
+ wqbuf_lastindex;
uint8_t *pQbuffer, *ptmpuserbuffer;
-
ver_addr = kmalloc(1032, GFP_ATOMIC);
if (!ver_addr) {
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
- if(acb->fw_flag == FW_DEADLOCK) {
- pcmdmessagefld->cmdmessage.ReturnCode =
+ if (acb->fw_flag == FW_DEADLOCK) {
+ pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- }else{
- pcmdmessagefld->cmdmessage.ReturnCode =
+ } else {
+ pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
ptmpuserbuffer = ver_addr;
user_len = pcmdmessagefld->cmdmessage.Length;
- memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len);
+ memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer,
+ user_len);
+ spin_lock_irqsave(&acb->wqbuffer_lock, flags);
wqbuf_lastindex = acb->wqbuf_lastindex;
wqbuf_firstindex = acb->wqbuf_firstindex;
if (wqbuf_lastindex != wqbuf_firstindex) {
struct SENSE_DATA *sensebuffer =
- (struct SENSE_DATA *)cmd->sense_buffer;
+ (struct SENSE_DATA *)cmd->sense_buffer;
arcmsr_post_ioctldata2iop(acb);
/* has error report sensedata */
- sensebuffer->ErrorCode = 0x70;
+ sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS;
sensebuffer->SenseKey = ILLEGAL_REQUEST;
sensebuffer->AdditionalSenseLength = 0x0A;
sensebuffer->AdditionalSenseCode = 0x20;
sensebuffer->Valid = 1;
retvalue = ARCMSR_MESSAGE_FAIL;
} else {
- my_empty_len = (wqbuf_firstindex-wqbuf_lastindex - 1)
- &(ARCMSR_MAX_QBUFFER - 1);
+ my_empty_len = (wqbuf_firstindex - wqbuf_lastindex - 1)
+ & (ARCMSR_MAX_QBUFFER - 1);
if (my_empty_len >= user_len) {
while (user_len > 0) {
- pQbuffer =
- &acb->wqbuffer[acb->wqbuf_lastindex];
- memcpy(pQbuffer, ptmpuserbuffer, 1);
- acb->wqbuf_lastindex++;
- acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
- ptmpuserbuffer++;
- user_len--;
+ pQbuffer = &acb->wqbuffer[acb->wqbuf_lastindex];
+ if ((acb->wqbuf_lastindex + user_len)
+ > ARCMSR_MAX_QBUFFER) {
+ memcpy(pQbuffer, ptmpuserbuffer,
+ ARCMSR_MAX_QBUFFER -
+ acb->wqbuf_lastindex);
+ ptmpuserbuffer += (ARCMSR_MAX_QBUFFER
+ - acb->wqbuf_lastindex);
+ user_len -= (ARCMSR_MAX_QBUFFER
+ - acb->wqbuf_lastindex);
+ acb->wqbuf_lastindex = 0;
+ } else {
+ memcpy(pQbuffer, ptmpuserbuffer,
+ user_len);
+ acb->wqbuf_lastindex += user_len;
+ acb->wqbuf_lastindex %=
+ ARCMSR_MAX_QBUFFER;
+ user_len = 0;
+ }
}
- if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) {
+ if (acb->acb_flags &
+ ACB_F_MESSAGE_WQBUFFER_CLEARED) {
acb->acb_flags &=
- ~ACB_F_MESSAGE_WQBUFFER_CLEARED;
+ ~ACB_F_MESSAGE_WQBUFFER_CLEARED;
arcmsr_post_ioctldata2iop(acb);
}
} else {
- /* has error report sensedata */
struct SENSE_DATA *sensebuffer =
- (struct SENSE_DATA *)cmd->sense_buffer;
- sensebuffer->ErrorCode = 0x70;
+ (struct SENSE_DATA *)cmd->sense_buffer;
+ /* has error report sensedata */
+ sensebuffer->ErrorCode =
+ SCSI_SENSE_CURRENT_ERRORS;
sensebuffer->SenseKey = ILLEGAL_REQUEST;
sensebuffer->AdditionalSenseLength = 0x0A;
sensebuffer->AdditionalSenseCode = 0x20;
sensebuffer->Valid = 1;
retvalue = ARCMSR_MESSAGE_FAIL;
}
- }
- kfree(ver_addr);
}
+ spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
+ kfree(ver_addr);
break;
-
+ }
case ARCMSR_MESSAGE_CLEAR_RQBUFFER: {
uint8_t *pQbuffer = acb->rqbuffer;
+
+ spin_lock_irqsave(&acb->rqbuffer_lock, flags);
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
arcmsr_iop_message_read(acb);
@@ -1877,127 +3099,138 @@ static int arcmsr_iop_message_xfer(struc
acb->rqbuf_firstindex = 0;
acb->rqbuf_lastindex = 0;
memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
- if(acb->fw_flag == FW_DEADLOCK) {
+ spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
+ if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- }else{
+ } else {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
- }
break;
-
+ }
case ARCMSR_MESSAGE_CLEAR_WQBUFFER: {
uint8_t *pQbuffer = acb->wqbuffer;
- if(acb->fw_flag == FW_DEADLOCK) {
+ if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- }else{
+ } else {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
-
+ spin_lock_irqsave(&acb->wqbuffer_lock, flags);
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
arcmsr_iop_message_read(acb);
}
- acb->acb_flags |=
- (ACB_F_MESSAGE_WQBUFFER_CLEARED |
- ACB_F_MESSAGE_WQBUFFER_READED);
+ acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
+ ACB_F_MESSAGE_WQBUFFER_READED);
acb->wqbuf_firstindex = 0;
acb->wqbuf_lastindex = 0;
memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
- }
+ spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
break;
-
+ }
case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: {
uint8_t *pQbuffer;
-
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
arcmsr_iop_message_read(acb);
}
- acb->acb_flags |=
- (ACB_F_MESSAGE_WQBUFFER_CLEARED
- | ACB_F_MESSAGE_RQBUFFER_CLEARED
- | ACB_F_MESSAGE_WQBUFFER_READED);
+ spin_lock_irqsave(&acb->rqbuffer_lock, flags);
+ acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED;
acb->rqbuf_firstindex = 0;
acb->rqbuf_lastindex = 0;
- acb->wqbuf_firstindex = 0;
- acb->wqbuf_lastindex = 0;
pQbuffer = acb->rqbuffer;
memset(pQbuffer, 0, sizeof(struct QBUFFER));
+ spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
+ spin_lock_irqsave(&acb->wqbuffer_lock, flags);
+ acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
+ ACB_F_MESSAGE_WQBUFFER_READED);
+ acb->wqbuf_firstindex = 0;
+ acb->wqbuf_lastindex = 0;
pQbuffer = acb->wqbuffer;
memset(pQbuffer, 0, sizeof(struct QBUFFER));
- if(acb->fw_flag == FW_DEADLOCK) {
+ spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
+ if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- }else{
+ } else {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
- }
break;
-
+ }
case ARCMSR_MESSAGE_RETURN_CODE_3F: {
- if(acb->fw_flag == FW_DEADLOCK) {
+ if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- }else{
+ } else {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_3F;
}
break;
- }
+ }
case ARCMSR_MESSAGE_SAY_HELLO: {
int8_t *hello_string = "Hello! I am ARCMSR";
- if(acb->fw_flag == FW_DEADLOCK) {
+ if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- }else{
+ } else {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
- memcpy(pcmdmessagefld->messagedatabuffer, hello_string
- , (int16_t)strlen(hello_string));
- }
+ memcpy(pcmdmessagefld->messagedatabuffer,
+ hello_string, (int16_t)strlen(hello_string));
break;
-
- case ARCMSR_MESSAGE_SAY_GOODBYE:
- if(acb->fw_flag == FW_DEADLOCK) {
+ }
+ case ARCMSR_MESSAGE_SAY_GOODBYE: {
+ if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+ } else {
+ pcmdmessagefld->cmdmessage.ReturnCode =
+ ARCMSR_MESSAGE_RETURNCODE_OK;
}
arcmsr_iop_parking(acb);
break;
-
- case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE:
- if(acb->fw_flag == FW_DEADLOCK) {
+ }
+ case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE: {
+ if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+ } else {
+ pcmdmessagefld->cmdmessage.ReturnCode =
+ ARCMSR_MESSAGE_RETURNCODE_OK;
}
arcmsr_flush_adapter_cache(acb);
break;
-
+ }
default:
retvalue = ARCMSR_MESSAGE_FAIL;
+ printk("unknown controlcode(%d)\n", __LINE__);
}
message_out:
- sg = scsi_sglist(cmd);
- kunmap_atomic(buffer - sg->offset);
+ if (use_sg) {
+ struct scatterlist *sg;
+ sg = scsi_sglist(cmd);
+ kunmap_atomic(buffer - sg->offset);
+ }
return retvalue;
}
-static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock *acb)
+struct CommandControlBlock
+*arcmsr_get_freeccb(struct AdapterControlBlock *acb)
{
struct list_head *head = &acb->ccb_free_list;
struct CommandControlBlock *ccb = NULL;
unsigned long flags;
spin_lock_irqsave(&acb->ccblist_lock, flags);
if (!list_empty(head)) {
- ccb = list_entry(head->next, struct CommandControlBlock, list);
+ ccb = list_entry(head->next,
+ struct CommandControlBlock, list);
list_del_init(&ccb->list);
- }else{
+ } else {
spin_unlock_irqrestore(&acb->ccblist_lock, flags);
return 0;
}
@@ -2005,7 +3238,8 @@ static struct CommandControlBlock *arcms
return ccb;
}
-static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
+void
+arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
struct scsi_cmnd *cmd)
{
switch (cmd->cmnd[0]) {
@@ -2013,7 +3247,6 @@ static void arcmsr_handle_virtual_comman
unsigned char inqdata[36];
char *buffer;
struct scatterlist *sg;
-
if (cmd->device->lun) {
cmd->result = (DID_TIME_OUT << 16);
cmd->scsi_done(cmd);
@@ -2032,14 +3265,11 @@ static void arcmsr_handle_virtual_comman
strncpy(&inqdata[16], "RAID controller ", 16);
/* Product Identification */
strncpy(&inqdata[32], "R001", 4); /* Product Revision */
-
sg = scsi_sglist(cmd);
buffer = kmap_atomic(sg_page(sg)) + sg->offset;
-
memcpy(buffer, inqdata, sizeof(inqdata));
sg = scsi_sglist(cmd);
kunmap_atomic(buffer - sg->offset);
-
cmd->scsi_done(cmd);
}
break;
@@ -2055,11 +3285,13 @@ static void arcmsr_handle_virtual_comman
}
}
-static int arcmsr_queue_command_lck(struct scsi_cmnd *cmd,
+static int
+arcmsr_queue_command_lck(struct scsi_cmnd *cmd,
void (* done)(struct scsi_cmnd *))
{
struct Scsi_Host *host = cmd->device->host;
- struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+ struct AdapterControlBlock *acb =
+ (struct AdapterControlBlock *)host->hostdata;
struct CommandControlBlock *ccb;
int target = cmd->device->id;
int lun = cmd->device->lun;
@@ -2067,8 +3299,10 @@ static int arcmsr_queue_command_lck(stru
cmd->scsi_done = done;
cmd->host_scribble = NULL;
cmd->result = 0;
- if ((scsicmd == SYNCHRONIZE_CACHE) ||(scsicmd == SEND_DIAGNOSTIC)){
- if(acb->devstate[target][lun] == ARECA_RAID_GONE) {
+ if ((scsicmd == SYNCHRONIZE_CACHE) ||
+ (scsicmd == SEND_DIAGNOSTIC)) {
+ if (acb->devstate[target][lun] ==
+ ARECA_RAID_GONE) {
cmd->result = (DID_NO_CONNECT << 16);
}
cmd->scsi_done(cmd);
@@ -2080,13 +3314,14 @@ static int arcmsr_queue_command_lck(stru
return 0;
}
if (atomic_read(&acb->ccboutstandingcount) >=
- ARCMSR_MAX_OUTSTANDING_CMD)
+ acb->maxOutstanding)
return SCSI_MLQUEUE_HOST_BUSY;
ccb = arcmsr_get_freeccb(acb);
if (!ccb)
return SCSI_MLQUEUE_HOST_BUSY;
if (arcmsr_build_ccb( acb, ccb, cmd ) == FAILED) {
- cmd->result = (DID_ERROR << 16) | (RESERVATION_CONFLICT << 1);
+ cmd->result = (DID_ERROR << 16) |
+ (RESERVATION_CONFLICT << 1);
cmd->scsi_done(cmd);
return 0;
}
@@ -2096,24 +3331,30 @@ static int arcmsr_queue_command_lck(stru
static DEF_SCSI_QCMD(arcmsr_queue_command)
-static bool arcmsr_get_hba_config(struct AdapterControlBlock *acb)
+static bool
+arcmsr_hbaA_get_config(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
char *acb_firm_model = acb->firm_model;
char *acb_firm_version = acb->firm_version;
char *acb_device_map = acb->device_map;
- char __iomem *iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]);
- char __iomem *iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]);
- char __iomem *iop_device_map = (char __iomem *)(®->message_rwbuffer[21]);
+ char __iomem *iop_firm_model =
+ (char __iomem *)(®->message_rwbuffer[15]);
+ char __iomem *iop_firm_version =
+ (char __iomem *)(®->message_rwbuffer[17]);
+ char __iomem *iop_device_map =
+ (char __iomem *)(®->message_rwbuffer[21]);
int count;
- writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
- if (!arcmsr_hba_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
- miscellaneous data' timeout \n", acb->host->host_no);
+ writel(ARCMSR_INBOUND_MESG0_GET_CONFIG,
+ ®->inbound_msgaddr0);
+ if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: wait 'get adapter firmware "
+ "miscellaneous data' timeout\n",
+ acb->host->host_no);
return false;
}
count = 8;
- while (count){
+ while (count) {
*acb_firm_model = readb(iop_firm_model);
acb_firm_model++;
iop_firm_model++;
@@ -2121,7 +3362,7 @@ static bool arcmsr_get_hba_config(struct
}
count = 16;
- while (count){
+ while (count) {
*acb_firm_version = readb(iop_firm_version);
acb_firm_version++;
iop_firm_version++;
@@ -2129,13 +3370,14 @@ static bool arcmsr_get_hba_config(struct
}
count=16;
- while(count){
+ while (count) {
*acb_device_map = readb(iop_device_map);
acb_device_map++;
iop_device_map++;
count--;
}
- printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n",
+ pr_notice("Areca RAID Controller%d: F/W %s "
+ "& Model %s\n",
acb->host->host_no,
acb->firm_version,
acb->firm_model);
@@ -2144,10 +3386,12 @@ static bool arcmsr_get_hba_config(struct
acb->firm_numbers_queue = readl(®->message_rwbuffer[2]);
acb->firm_sdram_size = readl(®->message_rwbuffer[3]);
acb->firm_hd_channels = readl(®->message_rwbuffer[4]);
- acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
+ acb->firm_cfg_version = readl(®->message_rwbuffer[25]);
return true;
}
-static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
+
+static bool
+arcmsr_hbaB_get_config(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
struct pci_dev *pdev = acb->pdev;
@@ -2163,40 +3407,57 @@ static bool arcmsr_get_hbb_config(struct
char __iomem *iop_device_map;
/*firm_version,21,84-99*/
int count;
- dma_coherent = dma_alloc_coherent(&pdev->dev, sizeof(struct MessageUnit_B), &dma_coherent_handle, GFP_KERNEL);
- if (!dma_coherent){
- printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error for hbb mu\n", acb->host->host_no);
+ dma_coherent = dma_alloc_coherent(&pdev->dev,
+ sizeof(struct MessageUnit_B), &dma_coherent_handle,
+ GFP_KERNEL);
+ if (!dma_coherent) {
+ pr_notice("arcmsr%d: dma_alloc_coherent "
+ "got error for hbb mu\n", acb->host->host_no);
return false;
}
- acb->dma_coherent_handle_hbb_mu = dma_coherent_handle;
+ acb->dma_coherent_handle2 = dma_coherent_handle;
reg = (struct MessageUnit_B *)dma_coherent;
acb->pmuB = reg;
- reg->drv2iop_doorbell= (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL);
- reg->drv2iop_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL_MASK);
- reg->iop2drv_doorbell = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL);
- reg->iop2drv_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL_MASK);
- reg->message_wbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_WBUFFER);
- reg->message_rbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_RBUFFER);
- reg->message_rwbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_RWBUFFER);
- iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]); /*firm_model,15,60-67*/
- iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]); /*firm_version,17,68-83*/
- iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); /*firm_version,21,84-99*/
+ reg->drv2iop_doorbell = (uint32_t __iomem *)
+ ((unsigned long)acb->mem_base0 +
+ ARCMSR_DRV2IOP_DOORBELL);
+ reg->drv2iop_doorbell_mask = (uint32_t __iomem *)
+ ((unsigned long)acb->mem_base0 +
+ ARCMSR_DRV2IOP_DOORBELL_MASK);
+ reg->iop2drv_doorbell = (uint32_t __iomem *)
+ ((unsigned long)acb->mem_base0 +
+ ARCMSR_IOP2DRV_DOORBELL);
+ reg->iop2drv_doorbell_mask = (uint32_t __iomem *)
+ ((unsigned long)acb->mem_base0 +
+ ARCMSR_IOP2DRV_DOORBELL_MASK);
+ reg->message_wbuffer = (uint32_t __iomem *)
+ ((unsigned long)acb->mem_base1 +
+ ARCMSR_MESSAGE_WBUFFER);
+ reg->message_rbuffer = (uint32_t __iomem *)
+ ((unsigned long)acb->mem_base1 +
+ ARCMSR_MESSAGE_RBUFFER);
+ reg->message_rwbuffer = (uint32_t __iomem *)
+ ((unsigned long)acb->mem_base1 +
+ ARCMSR_MESSAGE_RWBUFFER);
+ iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]);
+ iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]);
+ iop_device_map = (char __iomem *)(®->message_rwbuffer[21]);
writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
- if (!arcmsr_hbb_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
- miscellaneous data' timeout \n", acb->host->host_no);
+ if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: wait 'get adapter firmware "
+ "miscellaneous data' timeout\n", acb->host->host_no);
return false;
}
count = 8;
- while (count){
+ while (count) {
*acb_firm_model = readb(iop_firm_model);
acb_firm_model++;
iop_firm_model++;
count--;
}
count = 16;
- while (count){
+ while (count) {
*acb_firm_version = readb(iop_firm_version);
acb_firm_version++;
iop_firm_version++;
@@ -2204,14 +3465,15 @@ static bool arcmsr_get_hbb_config(struct
}
count = 16;
- while(count){
+ while (count) {
*acb_device_map = readb(iop_device_map);
acb_device_map++;
iop_device_map++;
count--;
}
-
- printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n",
+
+ pr_notice("Areca RAID Controller%d: "
+ "F/W %s & Model %s\n",
acb->host->host_no,
acb->firm_version,
acb->firm_model);
@@ -2226,41 +3488,45 @@ static bool arcmsr_get_hbb_config(struct
/*firm_sdram_size,3,12-15*/
acb->firm_hd_channels = readl(®->message_rwbuffer[5]);
/*firm_ide_channels,4,16-19*/
- acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
+ acb->firm_cfg_version = readl(®->message_rwbuffer[25]);
/*firm_ide_channels,4,16-19*/
return true;
}
-static bool arcmsr_get_hbc_config(struct AdapterControlBlock *pACB)
+static bool
+arcmsr_hbaC_get_config(struct AdapterControlBlock *pACB)
{
uint32_t intmask_org, Index, firmware_state = 0;
struct MessageUnit_C *reg = pACB->pmuC;
char *acb_firm_model = pACB->firm_model;
char *acb_firm_version = pACB->firm_version;
- char *iop_firm_model = (char *)(®->msgcode_rwbuffer[15]); /*firm_model,15,60-67*/
- char *iop_firm_version = (char *)(®->msgcode_rwbuffer[17]); /*firm_version,17,68-83*/
+ char *iop_firm_model = (char *)(®->msgcode_rwbuffer[15]);
+ char *iop_firm_version = (char *)(®->msgcode_rwbuffer[17]);
int count;
/* disable all outbound interrupt */
- intmask_org = readl(®->host_int_mask); /* disable outbound message0 int */
- writel(intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask);
- /* wait firmware ready */
+ intmask_org = readl(®->host_int_mask);
+ writel(intmask_org | ARCMSR_HBCMU_ALL_INTMASKENABLE,
+ ®->host_int_mask);
do {
firmware_state = readl(®->outbound_msgaddr1);
} while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
/* post "get config" instruction */
writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
- writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE,
+ ®->inbound_doorbell);
/* wait message ready */
for (Index = 0; Index < 2000; Index++) {
- if (readl(®->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
- writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear);/*clear interrupt*/
+ if (readl(®->outbound_doorbell) &
+ ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
+ writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
+ ®->outbound_doorbell_clear);
break;
}
udelay(10);
} /*max 1 seconds*/
if (Index >= 2000) {
- printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
- miscellaneous data' timeout \n", pACB->host->host_no);
+ pr_notice("arcmsr%d: wait 'get adapter firmware "
+ "miscellaneous data' timeout\n", pACB->host->host_no);
return false;
}
count = 8;
@@ -2277,86 +3543,249 @@ static bool arcmsr_get_hbc_config(struct
iop_firm_version++;
count--;
}
- printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n",
- pACB->host->host_no,
- pACB->firm_version,
- pACB->firm_model);
- pACB->firm_request_len = readl(®->msgcode_rwbuffer[1]); /*firm_request_len,1,04-07*/
- pACB->firm_numbers_queue = readl(®->msgcode_rwbuffer[2]); /*firm_numbers_queue,2,08-11*/
- pACB->firm_sdram_size = readl(®->msgcode_rwbuffer[3]); /*firm_sdram_size,3,12-15*/
- pACB->firm_hd_channels = readl(®->msgcode_rwbuffer[4]); /*firm_ide_channels,4,16-19*/
- pACB->firm_cfg_version = readl(®->msgcode_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
+ pr_notice("Areca RAID Controller%d: F/W %s & "
+ "Model %s\n",
+ pACB->host->host_no,
+ pACB->firm_version,
+ pACB->firm_model);
+ pACB->firm_request_len = readl(®->msgcode_rwbuffer[1]);
+ pACB->firm_numbers_queue = readl(®->msgcode_rwbuffer[2]);
+ pACB->firm_sdram_size = readl(®->msgcode_rwbuffer[3]);
+ pACB->firm_hd_channels = readl(®->msgcode_rwbuffer[4]);
+ pACB->firm_cfg_version = readl(®->msgcode_rwbuffer[25]);
/*all interrupt service will be enable at arcmsr_iop_init*/
return true;
}
-static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
+
+static bool
+arcmsr_hbaD_get_config(struct AdapterControlBlock *acb)
+{
+ char *acb_firm_model = acb->firm_model;
+ char *acb_firm_version = acb->firm_version;
+ char *acb_device_map = acb->device_map;
+ char __iomem *iop_firm_model;
+ char __iomem *iop_firm_version;
+ char __iomem *iop_device_map;
+ u32 count;
+ struct MessageUnit_D *reg ;
+ void *dma_coherent;
+ dma_addr_t dma_coherent_handle;
+ struct pci_dev *pdev = acb->pdev;
+
+ acb->uncache_size = roundup(sizeof(struct MessageUnit_D), 32);
+ dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size,
+ &dma_coherent_handle, GFP_KERNEL);
+ if (!dma_coherent) {
+ pr_notice("DMA allocation failed...\n");
+ return -ENOMEM;
+ }
+ memset(dma_coherent, 0, acb->uncache_size);
+ acb->dma_coherent = dma_coherent;
+ acb->dma_coherent_handle = dma_coherent_handle;
+ reg = (struct MessageUnit_D *)dma_coherent;
+ acb->pmuD = reg;
+ reg->chip_id = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_CHIP_ID);
+ reg->cpu_mem_config = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_CPU_MEMORY_CONFIGURATION);
+ reg->i2o_host_interrupt_mask = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_I2_HOST_INTERRUPT_MASK);
+ reg->sample_at_reset = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_SAMPLE_RESET);
+ reg->reset_request = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_RESET_REQUEST);
+ reg->host_int_status = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_MAIN_INTERRUPT_STATUS);
+ reg->pcief0_int_enable = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_PCIE_F0_INTERRUPT_ENABLE);
+ reg->inbound_msgaddr0 = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_INBOUND_MESSAGE0);
+ reg->inbound_msgaddr1 = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_INBOUND_MESSAGE1);
+ reg->outbound_msgaddr0 = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_MESSAGE0);
+ reg->outbound_msgaddr1 = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_MESSAGE1);
+ reg->inbound_doorbell = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_INBOUND_DOORBELL);
+ reg->outbound_doorbell = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_DOORBELL);
+ reg->outbound_doorbell_enable = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_DOORBELL_ENABLE);
+ reg->inboundlist_base_low = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_INBOUND_LIST_BASE_LOW);
+ reg->inboundlist_base_high = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_INBOUND_LIST_BASE_HIGH);
+ reg->inboundlist_write_pointer = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_INBOUND_LIST_WRITE_POINTER);
+ reg->outboundlist_base_low = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_LIST_BASE_LOW);
+ reg->outboundlist_base_high = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_LIST_BASE_HIGH);
+ reg->outboundlist_copy_pointer = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_LIST_COPY_POINTER);
+ reg->outboundlist_read_pointer = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_LIST_READ_POINTER);
+ reg->outboundlist_interrupt_cause = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_INTERRUPT_CAUSE);
+ reg->outboundlist_interrupt_enable = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_INTERRUPT_ENABLE);
+ reg->message_wbuffer = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_MESSAGE_WBUFFER);
+ reg->message_rbuffer = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_MESSAGE_RBUFFER);
+ reg->msgcode_rwbuffer = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_MESSAGE_RWBUFFER);
+ iop_firm_model = (char __iomem *)(®->msgcode_rwbuffer[15]);
+ iop_firm_version = (char __iomem *)(®->msgcode_rwbuffer[17]);
+ iop_device_map = (char __iomem *)(®->msgcode_rwbuffer[21]);
+ if (readl(acb->pmuD->outbound_doorbell) &
+ ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE) {
+ writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE,
+ acb->pmuD->outbound_doorbell);/*clear interrupt*/
+ }
+ /* post "get config" instruction */
+ writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, reg->inbound_msgaddr0);
+ /* wait message ready */
+ if (!arcmsr_hbaD_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: wait get adapter firmware "
+ "miscellaneous data timeout\n", acb->host->host_no);
+ dma_free_coherent(&acb->pdev->dev, acb->uncache_size,
+ acb->dma_coherent, acb->dma_coherent_handle);
+ return false;
+ }
+ count = 8;
+ while (count) {
+ *acb_firm_model = readb(iop_firm_model);
+ acb_firm_model++;
+ iop_firm_model++;
+ count--;
+ }
+ count = 16;
+ while (count) {
+ *acb_firm_version = readb(iop_firm_version);
+ acb_firm_version++;
+ iop_firm_version++;
+ count--;
+ }
+ count = 16;
+ while (count) {
+ *acb_device_map = readb(iop_device_map);
+ acb_device_map++;
+ iop_device_map++;
+ count--;
+ }
+ acb->signature = readl(®->msgcode_rwbuffer[1]);
+ /*firm_signature,1,00-03*/
+ acb->firm_request_len = readl(®->msgcode_rwbuffer[2]);
+ /*firm_request_len,1,04-07*/
+ acb->firm_numbers_queue = readl(®->msgcode_rwbuffer[3]);
+ /*firm_numbers_queue,2,08-11*/
+ acb->firm_sdram_size = readl(®->msgcode_rwbuffer[4]);
+ /*firm_sdram_size,3,12-15*/
+ acb->firm_hd_channels = readl(®->msgcode_rwbuffer[5]);
+ /*firm_hd_channels,4,16-19*/
+ acb->firm_cfg_version = readl(®->msgcode_rwbuffer[25]);
+ pr_notice("Areca RAID Controller%d: F/W %s & Model %s\n",
+ acb->host->host_no, acb->firm_version, acb->firm_model);
+ return true;
+}
+
+static bool
+arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
{
- if (acb->adapter_type == ACB_ADAPTER_TYPE_A)
- return arcmsr_get_hba_config(acb);
- else if (acb->adapter_type == ACB_ADAPTER_TYPE_B)
- return arcmsr_get_hbb_config(acb);
+ bool rtn = false;
+ switch (acb->adapter_type) {
+ case ACB_ADAPTER_TYPE_A:
+ rtn = arcmsr_hbaA_get_config(acb);
+ break;
+ case ACB_ADAPTER_TYPE_B:
+ rtn = arcmsr_hbaB_get_config(acb);
+ break;
+ case ACB_ADAPTER_TYPE_C:
+ rtn = arcmsr_hbaC_get_config(acb);
+ break;
+ case ACB_ADAPTER_TYPE_D:
+ rtn = arcmsr_hbaD_get_config(acb);
+ break;
+ default:
+ break;
+ }
+ if(acb->firm_numbers_queue > ARCMSR_MAX_FREECCB_NUM)
+ acb->maxOutstanding = ARCMSR_MAX_FREECCB_NUM-1;
else
- return arcmsr_get_hbc_config(acb);
+ acb->maxOutstanding = acb->firm_numbers_queue - 1;
+ return rtn;
}
-static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
+static int
+arcmsr_hbaA_polling_ccbdone(struct AdapterControlBlock *acb,
struct CommandControlBlock *poll_ccb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
struct CommandControlBlock *ccb;
struct ARCMSR_CDB *arcmsr_cdb;
- uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0;
+ uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0;
+ uint32_t poll_count = 0;
int rtn;
bool error;
polling_hba_ccb_retry:
poll_count++;
- outbound_intstatus = readl(®->outbound_intstatus) & acb->outbound_int_enable;
- writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/
+ outbound_intstatus = readl(®->outbound_intstatus) &
+ acb->outbound_int_enable;
+ writel(outbound_intstatus, ®->outbound_intstatus);
while (1) {
- if ((flag_ccb = readl(®->outbound_queueport)) == 0xFFFFFFFF) {
- if (poll_ccb_done){
+ flag_ccb = readl(®->outbound_queueport);
+ if (flag_ccb == 0xFFFFFFFF) {
+ if (poll_ccb_done) {
rtn = SUCCESS;
break;
- }else {
+ } else {
msleep(25);
- if (poll_count > 100){
+ if (poll_count > 100) {
rtn = FAILED;
break;
}
goto polling_hba_ccb_retry;
}
}
- arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));
- ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
+ arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset +
+ (flag_ccb << 5));
+ ccb = container_of(arcmsr_cdb, struct CommandControlBlock,
+ arcmsr_cdb);
poll_ccb_done = (ccb == poll_ccb) ? 1:0;
if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
- if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) {
- printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
- " poll command abort successfully \n"
- , acb->host->host_no
- , ccb->pcmd->device->id
- , ccb->pcmd->device->lun
- , ccb);
+ if ((ccb->startdone == ARCMSR_CCB_ABORTED) ||
+ (ccb == poll_ccb)) {
+ pr_notice("arcmsr%d: scsi id = %d "
+ "lun = %d ccb = '0x%p' poll command "
+ "abort successfully\n"
+ , acb->host->host_no
+ , ccb->pcmd->device->id
+ , ccb->pcmd->device->lun
+ , ccb);
ccb->pcmd->result = DID_ABORT << 16;
arcmsr_ccb_complete(ccb);
continue;
}
- printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
- " command done ccb = '0x%p'"
- "ccboutstandingcount = %d \n"
- , acb->host->host_no
- , ccb
- , atomic_read(&acb->ccboutstandingcount));
+ pr_notice("arcmsr%d: polling get an illegal "
+ "ccb command done ccb = '0x%p' "
+ "ccboutstandingcount = %d\n"
+ , acb->host->host_no
+ , ccb
+ , atomic_read(&acb->ccboutstandingcount));
continue;
}
- error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ?
+ true : false;
arcmsr_report_ccb_state(acb, ccb, error);
}
return rtn;
}
-static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb,
- struct CommandControlBlock *poll_ccb)
+int
+arcmsr_hbaB_polling_ccbdone(struct AdapterControlBlock *acb,
+ struct CommandControlBlock *poll_ccb)
{
struct MessageUnit_B *reg = acb->pmuB;
struct ARCMSR_CDB *arcmsr_cdb;
@@ -2368,16 +3797,18 @@ static int arcmsr_polling_hbb_ccbdone(st
poll_count++;
/* clear doorbell interrupt */
- writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
- while(1){
+ writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN,
+ reg->iop2drv_doorbell);
+ while (1) {
index = reg->doneq_index;
- if ((flag_ccb = readl(®->done_qbuffer[index])) == 0) {
- if (poll_ccb_done){
+ flag_ccb = readl(®->done_qbuffer[index]);
+ if (flag_ccb == 0) {
+ if (poll_ccb_done) {
rtn = SUCCESS;
break;
- }else {
+ } else {
msleep(25);
- if (poll_count > 100){
+ if (poll_count > 100) {
rtn = FAILED;
break;
}
@@ -2390,36 +3821,45 @@ static int arcmsr_polling_hbb_ccbdone(st
index %= ARCMSR_MAX_HBB_POSTQUEUE;
reg->doneq_index = index;
/* check if command done with no error*/
- arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));
- ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
- poll_ccb_done = (ccb == poll_ccb) ? 1:0;
- if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
- if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) {
- printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
- " poll command abort successfully \n"
- ,acb->host->host_no
- ,ccb->pcmd->device->id
- ,ccb->pcmd->device->lun
- ,ccb);
+ arcmsr_cdb = (struct ARCMSR_CDB *)
+ (acb->vir2phy_offset + (flag_ccb << 5));
+ ccb = container_of(arcmsr_cdb,
+ struct CommandControlBlock,
+ arcmsr_cdb);
+ poll_ccb_done = (ccb == poll_ccb) ? 1 : 0;
+ if ((ccb->acb != acb) ||
+ (ccb->startdone != ARCMSR_CCB_START)) {
+ if ((ccb->startdone == ARCMSR_CCB_ABORTED) ||
+ (ccb == poll_ccb)) {
+ pr_notice("arcmsr%d: "
+ "scsi id = %d lun = %d ccb = '0x%p' poll "
+ "command abort successfully\n"
+ , acb->host->host_no
+ , ccb->pcmd->device->id
+ , ccb->pcmd->device->lun
+ , ccb);
ccb->pcmd->result = DID_ABORT << 16;
arcmsr_ccb_complete(ccb);
continue;
}
- printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
- " command done ccb = '0x%p'"
- "ccboutstandingcount = %d \n"
+ pr_notice("arcmsr%d: polling get an "
+ "illegal ccb command done ccb = '0x%p' "
+ "ccboutstandingcount = %d\n"
, acb->host->host_no
, ccb
, atomic_read(&acb->ccboutstandingcount));
continue;
}
- error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0)
+ ? true : false;
arcmsr_report_ccb_state(acb, ccb, error);
}
return rtn;
}
-static int arcmsr_polling_hbc_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb)
+static int
+arcmsr_hbaC_polling_ccbdone(struct AdapterControlBlock *acb,
+ struct CommandControlBlock *poll_ccb)
{
struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
uint32_t flag_ccb, ccb_cdb_phy;
@@ -2431,7 +3871,8 @@ static int arcmsr_polling_hbc_ccbdone(st
polling_hbc_ccb_retry:
poll_count++;
while (1) {
- if ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) {
+ if ((readl(®->host_int_status) &
+ ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) {
if (poll_ccb_done) {
rtn = SUCCESS;
break;
@@ -2446,60 +3887,154 @@ polling_hbc_ccb_retry:
}
flag_ccb = readl(®->outbound_queueport_low);
ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
- arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy);/*frame must be 32 bytes aligned*/
- pCCB = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
+ arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset
+ + ccb_cdb_phy);
+ pCCB = container_of(arcmsr_cdb, struct CommandControlBlock,
+ arcmsr_cdb);
poll_ccb_done = (pCCB == poll_ccb) ? 1 : 0;
/* check ifcommand done with no error*/
- if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) {
+ if ((pCCB->acb != acb) ||
+ (pCCB->startdone != ARCMSR_CCB_START)) {
if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
- printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
- " poll command abort successfully \n"
- , acb->host->host_no
- , pCCB->pcmd->device->id
- , pCCB->pcmd->device->lun
- , pCCB);
- pCCB->pcmd->result = DID_ABORT << 16;
- arcmsr_ccb_complete(pCCB);
+ pr_notice("arcmsr%d: "
+ "scsi id = %d lun = %d ccb = '0x%p' poll "
+ "command abort successfully\n"
+ , acb->host->host_no
+ , pCCB->pcmd->device->id
+ , pCCB->pcmd->device->lun
+ , pCCB);
+ pCCB->pcmd->result = DID_ABORT << 16;
+ arcmsr_ccb_complete(pCCB);
continue;
}
- printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
- " command done ccb = '0x%p'"
- "ccboutstandingcount = %d \n"
+ pr_notice("arcmsr%d: polling get an illegal "
+ "ccb command done ccb = '0x%p' "
+ "ccboutstandingcount = %d\n"
+ , acb->host->host_no
+ , pCCB
+ , atomic_read(&acb->ccboutstandingcount));
+ continue;
+ }
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1)
+ ? true : false;
+ arcmsr_report_ccb_state(acb, pCCB, error);
+ }
+ return rtn;
+}
+
+static int
+arcmsr_hbaD_polling_ccbdone(struct AdapterControlBlock *acb,
+ struct CommandControlBlock *poll_ccb)
+{
+ bool error;
+ uint32_t poll_ccb_done = 0, poll_count = 0, flag_ccb, ccb_cdb_phy;
+ int rtn, doneq_index, index_stripped, outbound_write_pointer;
+ unsigned long flags;
+ struct ARCMSR_CDB *arcmsr_cdb;
+ struct CommandControlBlock *pCCB;
+ struct MessageUnit_D __iomem *pmu =
+ (struct MessageUnit_D *)acb->pmuD;
+
+ spin_lock_irqsave(&acb->doneq_lock, flags);
+ polling_hbaD_ccb_retry:
+ poll_count++;
+ while (1) {
+ outbound_write_pointer =
+ pmu->done_qbuffer[0].addressLow + 1;
+ doneq_index = pmu->doneq_index;
+ if ((outbound_write_pointer & 0xFFF) == (doneq_index & 0xFFF)) {
+ if (poll_ccb_done) {
+ rtn = SUCCESS;
+ break;
+ } else {
+ msleep(25);
+ if (poll_count > 100) {
+ rtn = FAILED;
+ break;
+ }
+ goto polling_hbaD_ccb_retry;
+ }
+ }
+ if (doneq_index & 0x4000) {
+ index_stripped = doneq_index & 0xFFF;
+ index_stripped += 1;
+ index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE;
+ pmu->doneq_index = index_stripped ? (index_stripped | 0x4000)
+ : (index_stripped + 1);
+ } else {
+ index_stripped = doneq_index;
+ index_stripped += 1;
+ index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE;
+ pmu->doneq_index = index_stripped ? index_stripped :
+ ((index_stripped | 0x4000) + 1);
+ }
+ doneq_index = pmu->doneq_index;
+ flag_ccb = pmu->done_qbuffer[doneq_index & 0xFFF].addressLow;
+ ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
+ arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset +
+ ccb_cdb_phy);
+ pCCB = container_of(arcmsr_cdb,
+ struct CommandControlBlock, arcmsr_cdb);
+ poll_ccb_done = (pCCB == poll_ccb) ? 1 : 0;
+ if ((pCCB->acb != acb) ||
+ (pCCB->startdone != ARCMSR_CCB_START)) {
+ if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
+ pr_notice("arcmsr%d: scsi id = %d "
+ "lun = %d ccb = '0x%p' poll command "
+ "abort successfully\n"
, acb->host->host_no
- , pCCB
- , atomic_read(&acb->ccboutstandingcount));
+ , pCCB->pcmd->device->id
+ , pCCB->pcmd->device->lun
+ , pCCB);
+ pCCB->pcmd->result = DID_ABORT << 16;
+ arcmsr_ccb_complete(pCCB);
+ continue;
+ }
+ pr_notice("arcmsr%d: polling an illegal "
+ "ccb command done ccb = '0x%p' "
+ "ccboutstandingcount = %d\n"
+ , acb->host->host_no
+ , pCCB
+ , atomic_read(&acb->ccboutstandingcount));
continue;
}
- error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1)
+ ? true : false;
arcmsr_report_ccb_state(acb, pCCB, error);
}
+ spin_unlock_irqrestore(&acb->doneq_lock, flags);
return rtn;
}
-static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
- struct CommandControlBlock *poll_ccb)
+
+static int
+arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
+ struct CommandControlBlock *poll_ccb)
{
int rtn = 0;
switch (acb->adapter_type) {
-
- case ACB_ADAPTER_TYPE_A: {
- rtn = arcmsr_polling_hba_ccbdone(acb, poll_ccb);
- }
+ case ACB_ADAPTER_TYPE_A:{
+ rtn = arcmsr_hbaA_polling_ccbdone(acb, poll_ccb);
break;
-
- case ACB_ADAPTER_TYPE_B: {
- rtn = arcmsr_polling_hbb_ccbdone(acb, poll_ccb);
- }
+ }
+ case ACB_ADAPTER_TYPE_B:{
+ rtn = arcmsr_hbaB_polling_ccbdone(acb, poll_ccb);
break;
+ }
case ACB_ADAPTER_TYPE_C: {
- rtn = arcmsr_polling_hbc_ccbdone(acb, poll_ccb);
- }
+ rtn = arcmsr_hbaC_polling_ccbdone(acb, poll_ccb);
+ break;
+ }
+ case ACB_ADAPTER_TYPE_D: {
+ rtn = arcmsr_hbaD_polling_ccbdone(acb, poll_ccb);
+ }
}
return rtn;
}
-static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
+static int
+arcmsr_iop_confirm(struct AdapterControlBlock *acb)
{
- uint32_t cdb_phyaddr, cdb_phyaddr_hi32;
+ uint32_t cdb_phyaddr, cdb_phyaddr_hi32, cdb_phyaddr_lo32;
dma_addr_t dma_coherent_handle;
/*
********************************************************************
@@ -2508,7 +4043,7 @@ static int arcmsr_iop_confirm(struct Ada
********************************************************************
*/
dma_coherent_handle = acb->dma_coherent_handle;
- cdb_phyaddr = (uint32_t)(dma_coherent_handle);
+ cdb_phyaddr_lo32 = (uint32_t)(dma_coherent_handle & 0xffffffff);
cdb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16);
acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32;
/*
@@ -2521,20 +4056,17 @@ static int arcmsr_iop_confirm(struct Ada
case ACB_ADAPTER_TYPE_A: {
if (cdb_phyaddr_hi32 != 0) {
struct MessageUnit_A __iomem *reg = acb->pmuA;
- uint32_t intmask_org;
- intmask_org = arcmsr_disable_outbound_ints(acb);
- writel(ARCMSR_SIGNATURE_SET_CONFIG, \
- ®->message_rwbuffer[0]);
+ writel(ARCMSR_SIGNATURE_SET_CONFIG,
+ ®->message_rwbuffer[0]);
writel(cdb_phyaddr_hi32, ®->message_rwbuffer[1]);
- writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \
- ®->inbound_msgaddr0);
- if (!arcmsr_hba_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d: ""set ccb high \
- part physical address timeout\n",
+ writel(ARCMSR_INBOUND_MESG0_SET_CONFIG,
+ ®->inbound_msgaddr0);
+ if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: set ccb "
+ "high part physical address timeout\n",
acb->host->host_no);
return 1;
}
- arcmsr_enable_outbound_ints(acb, intmask_org);
}
}
break;
@@ -2544,17 +4076,16 @@ static int arcmsr_iop_confirm(struct Ada
uint32_t __iomem *rwbuffer;
struct MessageUnit_B *reg = acb->pmuB;
- uint32_t intmask_org;
- intmask_org = arcmsr_disable_outbound_ints(acb);
reg->postq_index = 0;
reg->doneq_index = 0;
- writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell);
- if (!arcmsr_hbb_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d:can not set diver mode\n", \
- acb->host->host_no);
+ writel(ARCMSR_MESSAGE_SET_POST_WINDOW,
+ reg->drv2iop_doorbell);
+ if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d:can not set diver mode\n",
+ acb->host->host_no);
return 1;
}
- post_queue_phyaddr = acb->dma_coherent_handle_hbb_mu;
+ post_queue_phyaddr = acb->dma_coherent_handle2;
rwbuffer = reg->message_rwbuffer;
/* driver "set config" signature */
writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++);
@@ -2566,39 +4097,66 @@ static int arcmsr_iop_confirm(struct Ada
writel(post_queue_phyaddr + 1056, rwbuffer++);
/* ccb maxQ size must be --> [(256 + 8)*4]*/
writel(1056, rwbuffer);
-
writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell);
- if (!arcmsr_hbb_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \
- timeout \n",acb->host->host_no);
+ if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: 'set command Q window' "
+ "timeout\n", acb->host->host_no);
return 1;
}
arcmsr_hbb_enable_driver_mode(acb);
- arcmsr_enable_outbound_ints(acb, intmask_org);
}
break;
case ACB_ADAPTER_TYPE_C: {
if (cdb_phyaddr_hi32 != 0) {
- struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
-
- printk(KERN_NOTICE "arcmsr%d: cdb_phyaddr_hi32=0x%x\n",
- acb->adapter_index, cdb_phyaddr_hi32);
- writel(ARCMSR_SIGNATURE_SET_CONFIG, ®->msgcode_rwbuffer[0]);
- writel(cdb_phyaddr_hi32, ®->msgcode_rwbuffer[1]);
- writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, ®->inbound_msgaddr0);
- writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
- if (!arcmsr_hbc_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \
- timeout \n", acb->host->host_no);
+ struct MessageUnit_C *reg =
+ (struct MessageUnit_C *)acb->pmuC;
+ pr_notice("arcmsr%d: cdb_phyaddr_hi32 = 0x%x\n",
+ acb->adapter_index, cdb_phyaddr_hi32);
+ writel(ARCMSR_SIGNATURE_SET_CONFIG,
+ ®->msgcode_rwbuffer[0]);
+ writel(cdb_phyaddr_hi32,
+ ®->msgcode_rwbuffer[1]);
+ writel(ARCMSR_INBOUND_MESG0_SET_CONFIG,
+ ®->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE,
+ ®->inbound_doorbell);
+ if (!arcmsr_hbaC_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: 'set "
+ "command Q window' timeout\n",
+ acb->host->host_no);
return 1;
}
}
}
+ break;
+ case ACB_ADAPTER_TYPE_D: {
+ uint32_t __iomem *rwbuffer;
+
+ struct MessageUnit_D *reg =
+ (struct MessageUnit_D *)acb->pmuD;
+ reg->postq_index = 0;
+ reg->doneq_index = 0;
+ rwbuffer = reg->msgcode_rwbuffer;
+ writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++);
+ writel(cdb_phyaddr_hi32, rwbuffer++);
+ writel(cdb_phyaddr_lo32, rwbuffer++);
+ writel(cdb_phyaddr_lo32 +
+ (ARCMSR_MAX_ARC1214_POSTQUEUE * sizeof(struct InBound_SRB)),
+ rwbuffer++);
+ writel(0x100, rwbuffer);
+ writel(ARCMSR_INBOUND_MESG0_SET_CONFIG,
+ reg->inbound_msgaddr0);
+ if (!arcmsr_hbaD_wait_msgint_ready(acb))
+ pr_notice("arcmsr%d: 'set command Q "
+ "window' timeout\n", acb->host->host_no);
+ break;
+ }
}
return 0;
}
-static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb)
+static void
+arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb)
{
uint32_t firmware_state = 0;
switch (acb->adapter_type) {
@@ -2607,161 +4165,265 @@ static void arcmsr_wait_firmware_ready(s
struct MessageUnit_A __iomem *reg = acb->pmuA;
do {
firmware_state = readl(®->outbound_msgaddr1);
- } while ((firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0);
+ } while ((firmware_state &
+ ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0);
}
break;
-
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
do {
firmware_state = readl(reg->iop2drv_doorbell);
} while ((firmware_state & ARCMSR_MESSAGE_FIRMWARE_OK) == 0);
- writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
+ writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT,
+ reg->drv2iop_doorbell);
}
break;
case ACB_ADAPTER_TYPE_C: {
- struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
+ struct MessageUnit_C *reg =
+ (struct MessageUnit_C *)acb->pmuC;
do {
firmware_state = readl(®->outbound_msgaddr1);
- } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
+ } while ((firmware_state &
+ ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
}
+ break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D __iomem *reg
+ = (struct MessageUnit_D *)acb->pmuD;
+ do {
+ firmware_state = readl(reg->outbound_msgaddr1);
+ } while ((firmware_state &
+ ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK) == 0);
+ break;
+ }
}
}
-static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb)
+static void
+arcmsr_hbaA_request_device_map(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
- if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
+ if (unlikely(atomic_read(&acb->rq_map_token) == 0) ||
+ ((acb->acb_flags & ACB_F_BUS_RESET) != 0)
+ || ((acb->acb_flags & ACB_F_ABORT) != 0)) {
+ mod_timer(&acb->eternal_timer,
+ jiffies + msecs_to_jiffies(6 * HZ));
return;
} else {
acb->fw_flag = FW_NORMAL;
- if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)){
+ if (atomic_read(&acb->ante_token_value) ==
+ atomic_read(&acb->rq_map_token)) {
atomic_set(&acb->rq_map_token, 16);
}
- atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
+ atomic_set(&acb->ante_token_value,
+ atomic_read(&acb->rq_map_token));
if (atomic_dec_and_test(&acb->rq_map_token)) {
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
+ mod_timer(&acb->eternal_timer,
+ jiffies + msecs_to_jiffies(6 * HZ));
return;
}
- writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
+ writel(ARCMSR_INBOUND_MESG0_GET_CONFIG,
+ ®->inbound_msgaddr0);
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
}
return;
}
-static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb)
+static void
+arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb)
{
struct MessageUnit_B __iomem *reg = acb->pmuB;
- if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
+ if (unlikely(atomic_read(&acb->rq_map_token) == 0) ||
+ ((acb->acb_flags & ACB_F_BUS_RESET) != 0) ||
+ ((acb->acb_flags & ACB_F_ABORT) != 0)) {
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
return;
} else {
acb->fw_flag = FW_NORMAL;
- if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) {
+ if (atomic_read(&acb->ante_token_value) ==
+ atomic_read(&acb->rq_map_token)) {
atomic_set(&acb->rq_map_token, 16);
}
- atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
+ atomic_set(&acb->ante_token_value,
+ atomic_read(&acb->rq_map_token));
if (atomic_dec_and_test(&acb->rq_map_token)) {
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
+ mod_timer(&acb->eternal_timer,
+ jiffies + msecs_to_jiffies(6 * HZ));
return;
}
- writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
+ writel(ARCMSR_MESSAGE_GET_CONFIG,
+ reg->drv2iop_doorbell);
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
}
return;
}
-static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb)
+static void
+arcmsr_hbaC_request_device_map(struct AdapterControlBlock *acb)
{
struct MessageUnit_C __iomem *reg = acb->pmuC;
- if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) {
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
+ if (unlikely(atomic_read(&acb->rq_map_token) == 0) ||
+ ((acb->acb_flags & ACB_F_BUS_RESET) != 0) ||
+ ((acb->acb_flags & ACB_F_ABORT) != 0)) {
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
return;
} else {
acb->fw_flag = FW_NORMAL;
- if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) {
+ if (atomic_read(&acb->ante_token_value) ==
+ atomic_read(&acb->rq_map_token)) {
+ atomic_set(&acb->rq_map_token, 16);
+ }
+ atomic_set(&acb->ante_token_value,
+ atomic_read(&acb->rq_map_token));
+ if (atomic_dec_and_test(&acb->rq_map_token)) {
+ mod_timer(&acb->eternal_timer,
+ jiffies + msecs_to_jiffies(6 * HZ));
+ return;
+ }
+ writel(ARCMSR_INBOUND_MESG0_GET_CONFIG,
+ ®->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE,
+ ®->inbound_doorbell);
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
+ }
+ return;
+}
+
+static void
+arcmsr_hbaD_request_device_map(struct AdapterControlBlock *acb)
+{
+ struct MessageUnit_D __iomem *reg = acb->pmuD;
+ if (unlikely(atomic_read(&acb->rq_map_token) == 0) ||
+ ((acb->acb_flags & ACB_F_BUS_RESET) != 0) ||
+ ((acb->acb_flags & ACB_F_ABORT) != 0)) {
+ mod_timer(&acb->eternal_timer,
+ jiffies + msecs_to_jiffies(6 * HZ));
+ } else {
+ acb->fw_flag = FW_NORMAL;
+ if (atomic_read(&acb->ante_token_value) ==
+ atomic_read(&acb->rq_map_token)) {
atomic_set(&acb->rq_map_token, 16);
}
- atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
+ atomic_set(&acb->ante_token_value,
+ atomic_read(&acb->rq_map_token));
if (atomic_dec_and_test(&acb->rq_map_token)) {
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
return;
}
- writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
- writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
+ writel(ARCMSR_INBOUND_MESG0_GET_CONFIG,
+ reg->inbound_msgaddr0);
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
}
return;
}
-static void arcmsr_request_device_map(unsigned long pacb)
+static void
+arcmsr_request_device_map(unsigned long pacb)
{
- struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb;
+ struct AdapterControlBlock *acb =
+ (struct AdapterControlBlock *)pacb;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
- arcmsr_request_hba_device_map(acb);
+ arcmsr_hbaA_request_device_map(acb);
+ break;
}
- break;
case ACB_ADAPTER_TYPE_B: {
- arcmsr_request_hbb_device_map(acb);
+ arcmsr_hbaB_request_device_map(acb);
+ break;
}
- break;
case ACB_ADAPTER_TYPE_C: {
- arcmsr_request_hbc_device_map(acb);
+ arcmsr_hbaC_request_device_map(acb);
+ break;
+ }
+ case ACB_ADAPTER_TYPE_D: {
+ arcmsr_hbaD_request_device_map(acb);
}
}
}
-static void arcmsr_start_hba_bgrb(struct AdapterControlBlock *acb)
+static void
+arcmsr_hbaA_start_bgrb(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
acb->acb_flags |= ACB_F_MSG_START_BGRB;
- writel(ARCMSR_INBOUND_MESG0_START_BGRB, ®->inbound_msgaddr0);
- if (!arcmsr_hba_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
- rebulid' timeout \n", acb->host->host_no);
+ writel(ARCMSR_INBOUND_MESG0_START_BGRB,
+ ®->inbound_msgaddr0);
+ if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: wait 'start adapter "
+ "background rebulid' timeout\n", acb->host->host_no);
}
}
-static void arcmsr_start_hbb_bgrb(struct AdapterControlBlock *acb)
+static void
+arcmsr_hbaB_start_bgrb(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
acb->acb_flags |= ACB_F_MSG_START_BGRB;
writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell);
- if (!arcmsr_hbb_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
- rebulid' timeout \n",acb->host->host_no);
+ if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: wait 'start adapter "
+ "backgroundrebulid' timeout\n", acb->host->host_no);
}
}
-static void arcmsr_start_hbc_bgrb(struct AdapterControlBlock *pACB)
+static void
+arcmsr_hbaC_start_bgrb(struct AdapterControlBlock *pACB)
{
- struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC;
+ struct MessageUnit_C *phbcmu =
+ (struct MessageUnit_C *)pACB->pmuC;
+ pACB->acb_flags |= ACB_F_MSG_START_BGRB;
+ writel(ARCMSR_INBOUND_MESG0_START_BGRB,
+ &phbcmu->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE,
+ &phbcmu->inbound_doorbell);
+ if (!arcmsr_hbaC_wait_msgint_ready(pACB)) {
+ pr_notice("arcmsr%d: wait 'start adapter "
+ "background rebulid' timeout\n", pACB->host->host_no);
+ }
+ return;
+}
+
+static void
+arcmsr_hbaD_start_bgrb(struct AdapterControlBlock *pACB)
+{
+ struct MessageUnit_D __iomem *pmu = (struct MessageUnit_D *)pACB->pmuD;
pACB->acb_flags |= ACB_F_MSG_START_BGRB;
- writel(ARCMSR_INBOUND_MESG0_START_BGRB, &phbcmu->inbound_msgaddr0);
- writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &phbcmu->inbound_doorbell);
- if (!arcmsr_hbc_wait_msgint_ready(pACB)) {
- printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
- rebulid' timeout \n", pACB->host->host_no);
+ writel(ARCMSR_INBOUND_MESG0_START_BGRB, pmu->inbound_msgaddr0);
+ if (!arcmsr_hbaD_wait_msgint_ready(pACB)) {
+ pr_notice("arcmsr%d: wait 'start adapter "
+ "background rebulid' timeout\n", pACB->host->host_no);
}
return;
}
-static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb)
+
+static void
+arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A:
- arcmsr_start_hba_bgrb(acb);
+ arcmsr_hbaA_start_bgrb(acb);
break;
case ACB_ADAPTER_TYPE_B:
- arcmsr_start_hbb_bgrb(acb);
+ arcmsr_hbaB_start_bgrb(acb);
break;
case ACB_ADAPTER_TYPE_C:
- arcmsr_start_hbc_bgrb(acb);
+ arcmsr_hbaC_start_bgrb(acb);
+ break;
+ case ACB_ADAPTER_TYPE_D:
+ arcmsr_hbaD_start_bgrb(acb);
+ break;
}
}
-static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb)
+static void
+arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
@@ -2771,65 +4433,87 @@ static void arcmsr_clear_doorbell_queue_
outbound_doorbell = readl(®->outbound_doorbell);
/*clear doorbell interrupt */
writel(outbound_doorbell, ®->outbound_doorbell);
- writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell);
+ writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
+ ®->inbound_doorbell);
}
break;
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
/*clear interrupt and message state*/
- writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
- writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell);
+ writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN,
+ reg->iop2drv_doorbell);
+ writel(ARCMSR_DRV2IOP_DATA_READ_OK,
+ reg->drv2iop_doorbell);
/* let IOP know data has been read */
}
break;
case ACB_ADAPTER_TYPE_C: {
- struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
+ struct MessageUnit_C *reg =
+ (struct MessageUnit_C *)acb->pmuC;
uint32_t outbound_doorbell;
/* empty doorbell Qbuffer if door bell ringed */
outbound_doorbell = readl(®->outbound_doorbell);
writel(outbound_doorbell, ®->outbound_doorbell_clear);
- writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell);
+ writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK,
+ ®->inbound_doorbell);
}
+ break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D __iomem *reg =
+ (struct MessageUnit_D *)acb->pmuD;
+ uint32_t outbound_doorbell;
+ /* empty doorbell Qbuffer if door bell ringed */
+ outbound_doorbell = readl(reg->outbound_doorbell);
+ writel(outbound_doorbell, reg->outbound_doorbell);
+ writel(ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ,
+ reg->inbound_doorbell);
+ break;
+ }
}
}
-static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb)
+static void
+arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A:
+ case ACB_ADAPTER_TYPE_C:
+ case ACB_ADAPTER_TYPE_D:
return;
- case ACB_ADAPTER_TYPE_B:
- {
- struct MessageUnit_B *reg = acb->pmuB;
- writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell);
- if (!arcmsr_hbb_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "ARCMSR IOP enables EOI_MODE TIMEOUT");
+ case ACB_ADAPTER_TYPE_B: {
+ struct MessageUnit_B *reg = acb->pmuB;
+ writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE,
+ reg->drv2iop_doorbell);
+ if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
+ pr_notice("ARCMSR IOP "
+ "enables EOI_MODE TIMEOUT");
return;
}
- }
- break;
- case ACB_ADAPTER_TYPE_C:
- return;
+ }
+ break;
}
return;
}
-static void arcmsr_hardware_reset(struct AdapterControlBlock *acb)
+static void
+arcmsr_hardware_reset(struct AdapterControlBlock *acb)
{
uint8_t value[64];
int i, count = 0;
struct MessageUnit_A __iomem *pmuA = acb->pmuA;
struct MessageUnit_C __iomem *pmuC = acb->pmuC;
-
+ u32 temp = 0;
/* backup pci config data */
- printk(KERN_NOTICE "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no);
+ pr_notice("arcmsr%d: executing hw bus reset .....\n",
+ acb->host->host_no);
for (i = 0; i < 64; i++) {
pci_read_config_byte(acb->pdev, i, &value[i]);
}
/* hardware reset signal */
if ((acb->dev_id == 0x1680)) {
- writel(ARCMSR_ARC1680_BUS_RESET, &pmuA->reserved1[0]);
+ writel(ARCMSR_ARC1680_BUS_RESET,
+ &pmuA->reserved1[0]);
} else if ((acb->dev_id == 0x1880)) {
do {
count++;
@@ -2839,8 +4523,11 @@ static void arcmsr_hardware_reset(struct
writel(0x2, &pmuC->write_sequence);
writel(0x7, &pmuC->write_sequence);
writel(0xD, &pmuC->write_sequence);
- } while (((readl(&pmuC->host_diagnostic) & ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && (count < 5));
- writel(ARCMSR_ARC1880_RESET_ADAPTER, &pmuC->host_diagnostic);
+ } while ((((temp = readl(&pmuC->host_diagnostic)) |
+ ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) &&
+ (count < 5));
+ writel(ARCMSR_ARC1880_RESET_ADAPTER,
+ &pmuC->host_diagnostic);
} else {
pci_write_config_byte(acb->pdev, 0x84, 0x20);
}
@@ -2852,7 +4539,9 @@ static void arcmsr_hardware_reset(struct
msleep(1000);
return;
}
-static void arcmsr_iop_init(struct AdapterControlBlock *acb)
+
+static void
+arcmsr_iop_init(struct AdapterControlBlock *acb)
{
uint32_t intmask_org;
/* disable all outbound interrupt */
@@ -2869,7 +4558,8 @@ static void arcmsr_iop_init(struct Adapt
acb->acb_flags |= ACB_F_IOP_INITED;
}
-static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb)
+static uint8_t
+arcmsr_iop_reset(struct AdapterControlBlock *acb)
{
struct CommandControlBlock *ccb;
uint32_t intmask_org;
@@ -2892,7 +4582,8 @@ static uint8_t arcmsr_iop_reset(struct A
ccb->ccb_flags = 0;
spin_lock_irqsave(&acb->ccblist_lock, flags);
list_add_tail(&ccb->list, &acb->ccb_free_list);
- spin_unlock_irqrestore(&acb->ccblist_lock, flags);
+ spin_unlock_irqrestore(&acb->ccblist_lock,
+ flags);
}
}
atomic_set(&acb->ccboutstandingcount, 0);
@@ -2903,147 +4594,237 @@ static uint8_t arcmsr_iop_reset(struct A
return rtnval;
}
-static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
+static int
+arcmsr_bus_reset(struct scsi_cmnd *cmd)
{
struct AdapterControlBlock *acb;
uint32_t intmask_org, outbound_doorbell;
int retry_count = 0;
int rtn = FAILED;
acb = (struct AdapterControlBlock *) cmd->device->host->hostdata;
- printk(KERN_ERR "arcmsr: executing bus reset eh.....num_resets = %d, num_aborts = %d \n", acb->num_resets, acb->num_aborts);
+ pr_err("arcmsr: executing bus reset eh.....num_resets = %d, "
+ "num_aborts = %d\n", acb->num_resets, acb->num_aborts);
acb->num_resets++;
- switch(acb->adapter_type){
- case ACB_ADAPTER_TYPE_A:{
- if (acb->acb_flags & ACB_F_BUS_RESET){
- long timeout;
- printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n");
- timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ);
- if (timeout) {
- return SUCCESS;
- }
- }
- acb->acb_flags |= ACB_F_BUS_RESET;
- if (!arcmsr_iop_reset(acb)) {
- struct MessageUnit_A __iomem *reg;
- reg = acb->pmuA;
- arcmsr_hardware_reset(acb);
- acb->acb_flags &= ~ACB_F_IOP_INITED;
+ switch (acb->adapter_type) {
+ case ACB_ADAPTER_TYPE_A: {
+ if (acb->acb_flags & ACB_F_BUS_RESET) {
+ long timeout;
+ pr_err("arcmsr: there is an bus "
+ "reset eh proceeding.......\n");
+ timeout = wait_event_timeout(wait_q,
+ (acb->acb_flags & ACB_F_BUS_RESET)
+ == 0, 220 * HZ);
+ if (timeout) {
+ return SUCCESS;
+ }
+ }
+ acb->acb_flags |= ACB_F_BUS_RESET;
+ if (!arcmsr_iop_reset(acb)) {
+ struct MessageUnit_A __iomem *reg;
+ reg = acb->pmuA;
+ arcmsr_hardware_reset(acb);
+ acb->acb_flags &= ~ACB_F_IOP_INITED;
sleep_again:
- ssleep(ARCMSR_SLEEPTIME);
- if ((readl(®->outbound_msgaddr1) & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) {
- printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d\n", acb->host->host_no, retry_count);
- if (retry_count > ARCMSR_RETRYCOUNT) {
- acb->fw_flag = FW_DEADLOCK;
- printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!!\n", acb->host->host_no);
- return FAILED;
- }
- retry_count++;
- goto sleep_again;
+ ssleep(ARCMSR_SLEEPTIME);
+ if ((readl(®->outbound_msgaddr1) &
+ ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) {
+ pr_err("arcmsr%d: waiting for "
+ "hw bus reset return, retry = %d\n",
+ acb->host->host_no, retry_count);
+ if (retry_count > ARCMSR_RETRYCOUNT) {
+ acb->fw_flag = FW_DEADLOCK;
+ pr_err("arcmsr%d: waiting "
+ "for hw bus reset return, "
+ "RETRY TERMINATED!!\n",
+ acb->host->host_no);
+ return FAILED;
}
- acb->acb_flags |= ACB_F_IOP_INITED;
- /* disable all outbound interrupt */
- intmask_org = arcmsr_disable_outbound_ints(acb);
- arcmsr_get_firmware_spec(acb);
- arcmsr_start_adapter_bgrb(acb);
- /* clear Qbuffer if door bell ringed */
- outbound_doorbell = readl(®->outbound_doorbell);
- writel(outbound_doorbell, ®->outbound_doorbell); /*clear interrupt */
- writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell);
- /* enable outbound Post Queue,outbound doorbell Interrupt */
- arcmsr_enable_outbound_ints(acb, intmask_org);
- atomic_set(&acb->rq_map_token, 16);
- atomic_set(&acb->ante_token_value, 16);
- acb->fw_flag = FW_NORMAL;
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
- acb->acb_flags &= ~ACB_F_BUS_RESET;
- rtn = SUCCESS;
- printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n");
- } else {
- acb->acb_flags &= ~ACB_F_BUS_RESET;
- atomic_set(&acb->rq_map_token, 16);
- atomic_set(&acb->ante_token_value, 16);
- acb->fw_flag = FW_NORMAL;
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
- rtn = SUCCESS;
+ retry_count++;
+ goto sleep_again;
}
- break;
+ acb->acb_flags |= ACB_F_IOP_INITED;
+ /* disable all outbound interrupt */
+ intmask_org = arcmsr_disable_outbound_ints(acb);
+ arcmsr_get_firmware_spec(acb);
+ arcmsr_start_adapter_bgrb(acb);
+ /* clear Qbuffer if door bell ringed */
+ outbound_doorbell = readl(®->outbound_doorbell);
+ writel(outbound_doorbell, ®->outbound_doorbell);
+ writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
+ ®->inbound_doorbell);
+ arcmsr_enable_outbound_ints(acb, intmask_org);
+ atomic_set(&acb->rq_map_token, 16);
+ atomic_set(&acb->ante_token_value, 16);
+ acb->fw_flag = FW_NORMAL;
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
+ acb->acb_flags &= ~ACB_F_BUS_RESET;
+ rtn = SUCCESS;
+ pr_err("arcmsr: scsi bus reset eh "
+ "returns with success\n");
+ } else {
+ acb->acb_flags &= ~ACB_F_BUS_RESET;
+ atomic_set(&acb->rq_map_token, 16);
+ atomic_set(&acb->ante_token_value, 16);
+ acb->fw_flag = FW_NORMAL;
+ mod_timer(&acb->eternal_timer,
+ jiffies + msecs_to_jiffies(6 * HZ));
+ rtn = SUCCESS;
}
- case ACB_ADAPTER_TYPE_B:{
- acb->acb_flags |= ACB_F_BUS_RESET;
- if (!arcmsr_iop_reset(acb)) {
- acb->acb_flags &= ~ACB_F_BUS_RESET;
- rtn = FAILED;
- } else {
- acb->acb_flags &= ~ACB_F_BUS_RESET;
- atomic_set(&acb->rq_map_token, 16);
- atomic_set(&acb->ante_token_value, 16);
- acb->fw_flag = FW_NORMAL;
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
- rtn = SUCCESS;
+ break;
+ }
+ case ACB_ADAPTER_TYPE_B: {
+ acb->acb_flags |= ACB_F_BUS_RESET;
+ if (!arcmsr_iop_reset(acb)) {
+ acb->acb_flags &= ~ACB_F_BUS_RESET;
+ rtn = FAILED;
+ } else {
+ acb->acb_flags &= ~ACB_F_BUS_RESET;
+ atomic_set(&acb->rq_map_token, 16);
+ atomic_set(&acb->ante_token_value, 16);
+ acb->fw_flag = FW_NORMAL;
+ mod_timer(&acb->eternal_timer,
+ jiffies + msecs_to_jiffies(6 * HZ));
+ rtn = SUCCESS;
+ }
+ break;
+ }
+ case ACB_ADAPTER_TYPE_C: {
+ if (acb->acb_flags & ACB_F_BUS_RESET) {
+ long timeout;
+ pr_err("arcmsr: there is an bus "
+ "reset eh proceeding.......\n");
+ timeout = wait_event_timeout(wait_q,
+ (acb->acb_flags & ACB_F_BUS_RESET) == 0,
+ 220 * HZ);
+ if (timeout) {
+ return SUCCESS;
}
- break;
}
- case ACB_ADAPTER_TYPE_C:{
- if (acb->acb_flags & ACB_F_BUS_RESET) {
- long timeout;
- printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n");
- timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ);
- if (timeout) {
- return SUCCESS;
+ acb->acb_flags |= ACB_F_BUS_RESET;
+ if (!arcmsr_iop_reset(acb)) {
+ struct MessageUnit_C __iomem *reg;
+ reg = acb->pmuC;
+ arcmsr_hardware_reset(acb);
+ acb->acb_flags &= ~ACB_F_IOP_INITED;
+sleep:
+ ssleep(ARCMSR_SLEEPTIME);
+ if ((readl(®->host_diagnostic) & 0x04) != 0) {
+ pr_err("arcmsr%d: waiting "
+ "for hw bus reset return, retry = %d\n",
+ acb->host->host_no, retry_count);
+ if (retry_count > ARCMSR_RETRYCOUNT) {
+ acb->fw_flag = FW_DEADLOCK;
+ pr_err("arcmsr%d: "
+ "waiting for hw bus reset return, "
+ "RETRY TERMINATED!!\n",
+ acb->host->host_no);
+ return FAILED;
}
+ retry_count++;
+ goto sleep;
}
- acb->acb_flags |= ACB_F_BUS_RESET;
- if (!arcmsr_iop_reset(acb)) {
- struct MessageUnit_C __iomem *reg;
- reg = acb->pmuC;
- arcmsr_hardware_reset(acb);
- acb->acb_flags &= ~ACB_F_IOP_INITED;
-sleep:
- ssleep(ARCMSR_SLEEPTIME);
- if ((readl(®->host_diagnostic) & 0x04) != 0) {
- printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d\n", acb->host->host_no, retry_count);
- if (retry_count > ARCMSR_RETRYCOUNT) {
- acb->fw_flag = FW_DEADLOCK;
- printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!!\n", acb->host->host_no);
- return FAILED;
- }
- retry_count++;
- goto sleep;
+ acb->acb_flags |= ACB_F_IOP_INITED;
+ /* disable all outbound interrupt */
+ intmask_org =
+ arcmsr_disable_outbound_ints(acb);
+ arcmsr_get_firmware_spec(acb);
+ arcmsr_start_adapter_bgrb(acb);
+ /* clear Qbuffer if door bell ringed */
+ outbound_doorbell =
+ readl(®->outbound_doorbell);
+ writel(outbound_doorbell,
+ ®->outbound_doorbell_clear);
+ writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK,
+ ®->inbound_doorbell);
+ arcmsr_enable_outbound_ints(acb,
+ intmask_org);
+ atomic_set(&acb->rq_map_token, 16);
+ atomic_set(&acb->ante_token_value, 16);
+ acb->fw_flag = FW_NORMAL;
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
+ acb->acb_flags &= ~ACB_F_BUS_RESET;
+ rtn = SUCCESS;
+ pr_err("arcmsr: scsi bus reset "
+ "eh returns with success\n");
+ } else {
+ acb->acb_flags &= ~ACB_F_BUS_RESET;
+ atomic_set(&acb->rq_map_token, 16);
+ atomic_set(&acb->ante_token_value, 16);
+ acb->fw_flag = FW_NORMAL;
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
+ rtn = SUCCESS;
+ }
+ break;
+ }
+ case ACB_ADAPTER_TYPE_D: {
+ if (acb->acb_flags & ACB_F_BUS_RESET) {
+ long timeout;
+ pr_notice("arcmsr: there is an bus reset eh proceeding.......\n");
+ timeout = wait_event_timeout(wait_q, (acb->acb_flags
+ & ACB_F_BUS_RESET) == 0, 220 * HZ);
+ if (timeout)
+ return SUCCESS;
+ }
+ acb->acb_flags |= ACB_F_BUS_RESET;
+ if (!arcmsr_iop_reset(acb)) {
+ struct MessageUnit_D __iomem *reg;
+ reg = acb->pmuD;
+ arcmsr_hardware_reset(acb);
+ acb->acb_flags &= ~ACB_F_IOP_INITED;
+ nap:
+ ssleep(ARCMSR_SLEEPTIME);
+ if ((readl(reg->sample_at_reset) & 0x80) != 0) {
+ pr_err("arcmsr%d: waiting for "
+ "hw bus reset return, retry=%d\n",
+ acb->host->host_no, retry_count);
+ if (retry_count > ARCMSR_RETRYCOUNT) {
+ acb->fw_flag = FW_DEADLOCK;
+ pr_err("arcmsr%d: "
+ "waiting for hw bus reset return, "
+ "RETRY TERMINATED!!\n",
+ acb->host->host_no);
+ return FAILED;
}
- acb->acb_flags |= ACB_F_IOP_INITED;
- /* disable all outbound interrupt */
- intmask_org = arcmsr_disable_outbound_ints(acb);
- arcmsr_get_firmware_spec(acb);
- arcmsr_start_adapter_bgrb(acb);
- /* clear Qbuffer if door bell ringed */
- outbound_doorbell = readl(®->outbound_doorbell);
- writel(outbound_doorbell, ®->outbound_doorbell_clear); /*clear interrupt */
- writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell);
- /* enable outbound Post Queue,outbound doorbell Interrupt */
- arcmsr_enable_outbound_ints(acb, intmask_org);
- atomic_set(&acb->rq_map_token, 16);
- atomic_set(&acb->ante_token_value, 16);
- acb->fw_flag = FW_NORMAL;
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
- acb->acb_flags &= ~ACB_F_BUS_RESET;
- rtn = SUCCESS;
- printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n");
- } else {
- acb->acb_flags &= ~ACB_F_BUS_RESET;
- atomic_set(&acb->rq_map_token, 16);
- atomic_set(&acb->ante_token_value, 16);
- acb->fw_flag = FW_NORMAL;
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
- rtn = SUCCESS;
+ retry_count++;
+ goto nap;
}
- break;
+ acb->acb_flags |= ACB_F_IOP_INITED;
+ /* disable all outbound interrupt */
+ intmask_org = arcmsr_disable_outbound_ints(acb);
+ arcmsr_get_firmware_spec(acb);
+ arcmsr_start_adapter_bgrb(acb);
+ arcmsr_clear_doorbell_queue_buffer(acb);
+ arcmsr_enable_outbound_ints(acb, intmask_org);
+ atomic_set(&acb->rq_map_token, 16);
+ atomic_set(&acb->ante_token_value, 16);
+ acb->fw_flag = FW_NORMAL;
+ mod_timer(&acb->eternal_timer,
+ jiffies + msecs_to_jiffies(6 * HZ));
+ acb->acb_flags &= ~ACB_F_BUS_RESET;
+ rtn = SUCCESS;
+ pr_err("arcmsr: scsi bus reset "
+ "eh returns with success\n");
+ } else {
+ acb->acb_flags &= ~ACB_F_BUS_RESET;
+ atomic_set(&acb->rq_map_token, 16);
+ atomic_set(&acb->ante_token_value, 16);
+ acb->fw_flag = FW_NORMAL;
+ mod_timer(&acb->eternal_timer,
+ jiffies + msecs_to_jiffies(6 * HZ));
+ rtn = SUCCESS;
}
+ break;
+ }
}
return rtn;
}
-static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb,
+static int
+arcmsr_abort_one_cmd(struct AdapterControlBlock *acb,
struct CommandControlBlock *ccb)
{
int rtn;
@@ -3051,15 +4832,17 @@ static int arcmsr_abort_one_cmd(struct A
return rtn;
}
-static int arcmsr_abort(struct scsi_cmnd *cmd)
+static int
+arcmsr_abort(struct scsi_cmnd *cmd)
{
- struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *)cmd->device->host->hostdata;
+ struct AdapterControlBlock *acb = (struct AdapterControlBlock *)
+ cmd->device->host->hostdata;
int i = 0;
int rtn = FAILED;
- printk(KERN_NOTICE
- "arcmsr%d: abort device command of scsi id = %d lun = %d \n",
- acb->host->host_no, cmd->device->id, cmd->device->lun);
+ pr_notice("arcmsr%d: abort device command of "
+ "scsi id = %d lun = %d\n",
+ acb->host->host_no,
+ cmd->device->id, cmd->device->lun);
acb->acb_flags |= ACB_F_ABORT;
acb->num_aborts++;
/*
@@ -3073,7 +4856,8 @@ static int arcmsr_abort(struct scsi_cmnd
for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
struct CommandControlBlock *ccb = acb->pccb_pool[i];
- if (ccb->startdone == ARCMSR_CCB_START && ccb->pcmd == cmd) {
+ if (ccb->startdone == ARCMSR_CCB_START &&
+ ccb->pcmd == cmd) {
ccb->startdone = ARCMSR_CCB_ABORTED;
rtn = arcmsr_abort_one_cmd(acb, ccb);
break;
@@ -3083,10 +4867,11 @@ static int arcmsr_abort(struct scsi_cmnd
return rtn;
}
-static const char *arcmsr_info(struct Scsi_Host *host)
+static const char
+*arcmsr_info(struct Scsi_Host *host)
{
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
+ (struct AdapterControlBlock *)host->hostdata;
static char buf[256];
char *type;
int raid6 = 1;
@@ -3102,6 +4887,7 @@ static const char *arcmsr_info(struct Sc
case PCI_DEVICE_ID_ARECA_1160:
case PCI_DEVICE_ID_ARECA_1170:
case PCI_DEVICE_ID_ARECA_1201:
+ case PCI_DEVICE_ID_ARECA_1214:
case PCI_DEVICE_ID_ARECA_1220:
case PCI_DEVICE_ID_ARECA_1230:
case PCI_DEVICE_ID_ARECA_1260:
@@ -3109,8 +4895,6 @@ static const char *arcmsr_info(struct Sc
case PCI_DEVICE_ID_ARECA_1280:
type = "SATA";
break;
- case PCI_DEVICE_ID_ARECA_1380:
- case PCI_DEVICE_ID_ARECA_1381:
case PCI_DEVICE_ID_ARECA_1680:
case PCI_DEVICE_ID_ARECA_1681:
case PCI_DEVICE_ID_ARECA_1880:
@@ -3125,3 +4909,4 @@ static const char *arcmsr_info(struct Sc
ARCMSR_DRIVER_VERSION);
return buf;
}
+
next reply other threads:[~2013-08-26 4:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-26 4:14 黃清隆 [this message]
2013-08-26 10:18 ` [PATCH 1/3] arcmsr: Support Areca new SATA Raid Adapter ARC1214/1224/1264/1284 James Bottomley
2013-08-26 12:20 ` Tomas Henzl
-- strict thread matches above, loose matches on Subject: below --
2013-08-26 4:12 黃清隆
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