2014-02-21 04:36:05

by Ching Huang

Subject: [PATCH v1.3 10/11] arcmsr: Fixed coding style errors and white space change

From: Ching <[email protected]>

Fixed coding style errors and white space change.

Singed-off-by: Ching <[email protected]>
---

diff -uprN a/drivers/scsi/arcmsr/arcmsr_attr.c
b/drivers/scsi/arcmsr/arcmsr_attr.c
--- a/drivers/scsi/arcmsr/arcmsr_attr.c 2014-01-15 23:41:36.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c 2014-02-12 10:52:34.000000000 +0800
@@ -262,31 +262,37 @@ 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;
}
@@ -295,30 +301,29 @@ 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)
{
- return snprintf(buf, PAGE_SIZE,
- "%s\n",
- ARCMSR_DRIVER_VERSION);
+ return snprintf(buf, PAGE_SIZE, "%s\n", ARCMSR_DRIVER_VERSION);
}

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;
- return snprintf(buf, PAGE_SIZE,
- "%4d\n",
+ (struct AdapterControlBlock *)host->hostdata;
+ return snprintf(buf, PAGE_SIZE, "%4d\n",
atomic_read(&acb->ccboutstandingcount));
}

@@ -328,10 +333,8 @@ arcmsr_attr_host_driver_reset(struct dev
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
- return snprintf(buf, PAGE_SIZE,
- "%4d\n",
- acb->num_resets);
+ (struct AdapterControlBlock *)host->hostdata;
+ return snprintf(buf, PAGE_SIZE, "%4d\n", acb->num_resets);
}

static ssize_t
@@ -340,22 +343,18 @@ arcmsr_attr_host_driver_abort(struct dev
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
- return snprintf(buf, PAGE_SIZE,
- "%4d\n",
- acb->num_aborts);
+ (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;
- return snprintf(buf, PAGE_SIZE,
- "%s\n",
- acb->firm_model);
+ (struct AdapterControlBlock *)host->hostdata;
+ return snprintf(buf, PAGE_SIZE, "%s\n", acb->firm_model);
}

static ssize_t
@@ -364,11 +363,8 @@ arcmsr_attr_host_fw_version(struct devic
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
-
- return snprintf(buf, PAGE_SIZE,
- "%s\n",
- acb->firm_version);
+ (struct AdapterControlBlock *)host->hostdata;
+ return snprintf(buf, PAGE_SIZE, "%s\n", acb->firm_version);
}

static ssize_t
@@ -377,11 +373,8 @@ arcmsr_attr_host_fw_request_len(struct d
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
-
- return snprintf(buf, PAGE_SIZE,
- "%4d\n",
- acb->firm_request_len);
+ (struct AdapterControlBlock *)host->hostdata;
+ return snprintf(buf, PAGE_SIZE, "%4d\n", acb->firm_request_len);
}

static ssize_t
@@ -390,11 +383,8 @@ arcmsr_attr_host_fw_numbers_queue(struct
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
-
- return snprintf(buf, PAGE_SIZE,
- "%4d\n",
- acb->firm_numbers_queue);
+ (struct AdapterControlBlock *)host->hostdata;
+ return snprintf(buf, PAGE_SIZE, "%4d\n", acb->firm_numbers_queue);
}

static ssize_t
@@ -403,11 +393,8 @@ arcmsr_attr_host_fw_sdram_size(struct de
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
-
- return snprintf(buf, PAGE_SIZE,
- "%4d\n",
- acb->firm_sdram_size);
+ (struct AdapterControlBlock *)host->hostdata;
+ return snprintf(buf, PAGE_SIZE, "%4d\n", acb->firm_sdram_size);
}

static ssize_t
@@ -416,11 +403,8 @@ arcmsr_attr_host_fw_hd_channels(struct d
{
struct Scsi_Host *host = class_to_shost(dev);
struct AdapterControlBlock *acb =
- (struct AdapterControlBlock *) host->hostdata;
-
- return snprintf(buf, PAGE_SIZE,
- "%4d\n",
- acb->firm_hd_channels);
+ (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);
@@ -447,4 +431,3 @@ struct device_attribute *arcmsr_host_att
&dev_attr_host_fw_hd_channels,
NULL,
};
-
diff -uprN a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
--- a/drivers/scsi/arcmsr/arcmsr.h 2014-02-20 23:23:30.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr.h 2014-02-20 20:14:42.000000000 +0800
@@ -6,7 +6,7 @@
** Description: SCSI RAID Device Driver for
** ARECA RAID Host adapter
*******************************************************************************
-** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved.
+** Copyright (C) 2002 - 2014, Areca Technology Corporation All rights reserved.
**
** Web site: http://www.areca.com.tw
** E-mail: [email protected]
@@ -62,26 +62,26 @@ struct device_attribute;
#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_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
+ #define PCI_DEVICE_ID_ARECA_1880 0x1880
#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
@@ -89,12 +89,12 @@ 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;
};
/*
*******************************************************************************
@@ -103,44 +103,44 @@ 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
+#define ARCMSR_MESSAGE_FAIL 0x0001
/* DeviceType */
-#define ARECA_SATA_RAID 0x90000000
+#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_CLEAR_ALLQBUFFER 0x0805
-#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_READ_RQBUFFER 0x0801
+#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_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
/* 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_ERROR 0x00000006
@@ -151,18 +151,18 @@ struct CMD_MESSAGE_FIELD
** 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));
/*
********************************************************************
@@ -171,8 +171,8 @@ struct SG64ENTRY
*/
struct QBUFFER
{
- uint32_t data_len;
- uint8_t data[124];
+ uint32_t data_len;
+ uint8_t data[124];
};
/*
*******************************************************************************
@@ -181,50 +181,50 @@ 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

/*
************************************************************************
@@ -233,54 +233,54 @@ 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_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
@@ -289,45 +289,48 @@ struct FIRMWARE_INFO
#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.
- */
-#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 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.
+*/
#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
/*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
+#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK 0x00000004
/*outbound DATA READ isr door bell clear*/
#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_DOORBELL_CLEAR 0x00000004
/*outbound message 0 ready*/
@@ -335,7 +338,7 @@ struct FIRMWARE_INFO
/*outbound message cmd isr door bell clear*/
#define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR 0x00000008
/*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
-#define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK 0x80000000
+#define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK 0x80000000
/*
*******************************************************************************
** ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
@@ -343,156 +346,159 @@ struct FIRMWARE_INFO
*/
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 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 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];
+ uint8_t SenseData[15];
+ union {
+ struct SG32ENTRY sg32entry[1];
+ struct SG64ENTRY sg64entry[1];
} u;
};
/*
*******************************************************************************
-** Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A)
and Type B processor
+** Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A)
*******************************************************************************
*/
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*/
};
-
+/*
+*******************************************************************************
+** Messaging Unit (MU) of Type B processor
+*******************************************************************************
+*/
struct MessageUnit_B
{
- uint32_t post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
+ uint32_t post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
volatile uint32_t done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
- uint32_t postq_index;
+ uint32_t postq_index;
volatile 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 __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
+** Messaging Unit (MU) of Type C processor(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*/
};
/*
*******************************************************************************
@@ -501,107 +507,106 @@ 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 */
+ 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 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;
- spinlock_t rqbuffer_lock;
- spinlock_t wqbuffer_lock;
+ uint32_t outbound_int_enable;
+ uint32_t cdb_phyaddr_hi32;
+ spinlock_t eh_lock;
+ spinlock_t ccblist_lock;
+ spinlock_t rqbuffer_lock;
+ spinlock_t wqbuffer_lock;
union {
- struct MessageUnit_A __iomem *pmuA;
- struct MessageUnit_B *pmuB;
- struct MessageUnit_C __iomem *pmuC;
+ struct MessageUnit_A __iomem *pmuA;
+ struct MessageUnit_B *pmuB;
+ struct MessageUnit_C __iomem *pmuC;
};
/* 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
+ 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
+ #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];
+ 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;
- /*The present outstanding command number that in the IOP that
- waiting for being handled by FW*/
+ 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_handle2;
- void *dma_coherent2;
- 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 */
/*
@@ -610,33 +615,33 @@ 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;
/*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
- #if BITS_PER_LONG == 64
+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*/
- #else
- /* ======================512+32 bytes======================== */
- uint32_t reserved;
/*8 byte*/
- #endif
- /* ======================================================= */
- struct ARCMSR_CDB arcmsr_cdb;
+ uint32_t reserved[5]; /*24 byte*/
+#else
+ /*======================512+32 bytes========================*/
+ uint32_t reserved; /*8 byte*/
+#endif
+ /*=======================================================*/
+ struct ARCMSR_CDB arcmsr_cdb;
};
/*
*******************************************************************************
@@ -645,53 +650,53 @@ 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_write_ioctldata2iop(struct AdapterControlBlock *);
extern uint32_t arcmsr_Read_iop_rqbuffer_data(struct AdapterControlBlock *,
@@ -701,4 +706,3 @@ extern struct QBUFFER __iomem *arcmsr_ge
extern struct device_attribute *arcmsr_host_attrs[];
extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *);
void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);
-
diff -uprN a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
--- a/drivers/scsi/arcmsr/arcmsr_hba.c 2014-02-20 19:10:08.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c 2014-02-20 19:11:05.000000000 +0800
@@ -2,11 +2,10 @@
*******************************************************************************
** O.S : Linux
** FILE NAME : arcmsr_hba.c
-** BY : Nick Cheng
-** Description: SCSI RAID Device Driver for
-** ARECA RAID Host adapter
+** BY : Nick Cheng, C.L. Huang
+** Description: SCSI RAID Device Driver for Areca RAID Controller
*******************************************************************************
-** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved
+** Copyright (C) 2002 - 2013, Areca Technology Corporation All rights reserved
**
** Web site: http://www.areca.com.tw
** E-mail: [email protected]
@@ -70,13 +69,13 @@
#include <scsi/scsi_transport.h>
#include <scsi/scsicam.h>
#include "arcmsr.h"
-MODULE_AUTHOR("Nick Cheng <[email protected]>");
-MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx/1880) SATA/SAS RAID Host
Bus Adapter");
+MODULE_AUTHOR("Nick Cheng, Ching Huang <[email protected]>");
+MODULE_DESCRIPTION("Areca ARC11xx/12xx/16xx/188x 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

static wait_queue_head_t wait_q;
static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
@@ -98,19 +97,14 @@ static u32 arcmsr_disable_outbound_ints(
static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
u32 intmask_org);
static void arcmsr_stop_adapter_bgrb(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_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_hbaC_message_isr(struct AdapterControlBlock *pACB);
-static void arcmsr_hardware_reset(struct AdapterControlBlock *acb);
static const char *arcmsr_info(struct Scsi_Host *);
static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
+
static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev,
int queue_depth, int reason)
{
@@ -125,23 +119,21 @@ static int arcmsr_adjust_disk_queue_dept

static struct scsi_host_template arcmsr_scsi_host_template = {
.module = THIS_MODULE,
- .name = "ARCMSR ARECA SATA/SAS RAID Controller"
- ARCMSR_DRIVER_VERSION,
+ .name = "Areca SAS/SATA RAID driver",
.info = arcmsr_info,
.queuecommand = arcmsr_queue_command,
- .eh_abort_handler = arcmsr_abort,
+ .eh_abort_handler = arcmsr_abort,
.eh_bus_reset_handler = arcmsr_bus_reset,
.bios_param = arcmsr_bios_param,
.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,
+ .this_id = ARCMSR_SCSI_INITIATOR_ID,
.cmd_per_lun = ARCMSR_MAX_CMD_PERLUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = arcmsr_host_attrs,
.no_write_same = 1,
};
+
static struct pci_device_id arcmsr_device_id_table[] = {
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1120)},
@@ -164,6 +156,7 @@ static struct pci_device_id arcmsr_devic
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1880)},
{0, 0}, /* Terminating entry */
};
+
MODULE_DEVICE_TABLE(pci, arcmsr_device_id_table);
static struct pci_driver arcmsr_pci_driver = {
.name = "arcmsr",
@@ -178,7 +171,6 @@ static struct pci_driver arcmsr_pci_driv
****************************************************************************
****************************************************************************
*/
-
static void arcmsr_free_mu(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
@@ -193,40 +185,51 @@ static void arcmsr_free_mu(struct Adapte
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;
@@ -238,19 +241,16 @@ 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;
- case ACB_ADAPTER_TYPE_B:{
+ break;
+ case ACB_ADAPTER_TYPE_B:
iounmap(acb->mem_base0);
iounmap(acb->mem_base1);
- }
-
- break;
- case ACB_ADAPTER_TYPE_C:{
+ break;
+ case ACB_ADAPTER_TYPE_C:
iounmap(acb->pmuC);
- }
+ break;
}
}

@@ -267,7 +267,7 @@ 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) {
@@ -331,7 +331,8 @@ arcmsr_define_adapter_type(struct Adapte
return true;
}

-static uint8_t arcmsr_hbaA_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;
@@ -345,11 +346,11 @@ static uint8_t arcmsr_hbaA_wait_msgint_r
}
msleep(10);
} /* max 20 seconds */
-
return false;
}

-static uint8_t arcmsr_hbaB_wait_msgint_ready(struct AdapterControlBlock *acb)
+static bool
+arcmsr_hbaB_wait_msgint_ready(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
int i;
@@ -358,104 +359,112 @@ static uint8_t arcmsr_hbaB_wait_msgint_r
if (readl(reg->iop2drv_doorbell)
& ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN,
- reg->iop2drv_doorbell);
+ reg->iop2drv_doorbell);
writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT,
- reg->drv2iop_doorbell);
+ reg->drv2iop_doorbell);
return true;
}
msleep(10);
} /* max 20 seconds */
-
return false;
}

-static uint8_t arcmsr_hbaC_wait_msgint_ready(struct AdapterControlBlock *pACB)
+static bool
+arcmsr_hbaC_wait_msgint_ready(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C __iomem *phbcmu = 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 void arcmsr_hbaA_flush_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, &reg->inbound_msgaddr0);
do {
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_hbaB_flush_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_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_hbaC_flush_cache(struct AdapterControlBlock *pACB)
+static void
+arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C __iomem *reg = pACB->pmuC;
- int retry_count = 30;/* enlarge wait flush adapter cache time:
10 minute */
+ int retry_count = 6;
+
writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, &reg->inbound_msgaddr0);
writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell);
+ readl(&reg->inbound_doorbell);
+ readl(&reg->inbound_msgaddr0);
do {
- if (arcmsr_hbaC_wait_msgint_ready(pACB)) {
+ if (arcmsr_hbaC_wait_msgint_ready(pACB))
break;
- } else {
+ 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: {
+ case ACB_ADAPTER_TYPE_A:
arcmsr_hbaA_flush_cache(acb);
- }
break;
-
- case ACB_ADAPTER_TYPE_B: {
+ case ACB_ADAPTER_TYPE_B:
arcmsr_hbaB_flush_cache(acb);
- }
break;
- case ACB_ADAPTER_TYPE_C: {
+ case ACB_ADAPTER_TYPE_C:
arcmsr_hbaC_flush_cache(acb);
- }
+ break;
}
}

-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;
@@ -468,41 +477,55 @@ static int arcmsr_alloc_ccb_pool(struct
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);
+ 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);
+ 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;
- 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 = ((acb->adapter_type ==
ACB_ADAPTER_TYPE_C) ? cdb_phyaddr : (cdb_phyaddr >> 5));
+ 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);
+ switch (acb->adapter_type) {
+ case ACB_ADAPTER_TYPE_A:
+ case ACB_ADAPTER_TYPE_B:
+ ccb_tmp->cdb_phyaddr = cdb_phyaddr >> 5;
+ break;
+ case ACB_ADAPTER_TYPE_C:
+ ccb_tmp->cdb_phyaddr = cdb_phyaddr;
+ break;
+ }
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);
+ 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;
}

@@ -611,6 +634,7 @@ arcmsr_resume(struct pci_dev *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);
@@ -694,19 +718,20 @@ static int arcmsr_probe(struct pci_dev *
uint8_t bus, dev_fun;
struct msix_entry entries[ARCMST_NUM_MSIX_VECTORS];
int error, i, j;
+
error = pci_enable_device(pdev);
if (error)
return -ENODEV;
- host = scsi_host_alloc(&arcmsr_scsi_host_template,
sizeof(struct AdapterControlBlock));
+ host = scsi_host_alloc(&arcmsr_scsi_host_template,
+ sizeof(struct AdapterControlBlock));
if (!host)
- goto pci_disable_dev;
+ goto pci_disable_dev;
error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
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",
- host->host_no);
+ pr_warn("scsi%d: No suitable DMA mask available\n",
+ host->host_no);
goto scsi_host_release;
}
}
@@ -718,10 +743,10 @@ 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);
@@ -800,10 +825,10 @@ static int arcmsr_probe(struct pci_dev *
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.data = (unsigned long)acb;
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:
@@ -830,89 +855,84 @@ pci_disable_dev:
return -ENODEV;
}

-static uint8_t arcmsr_hbaA_abort_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, &reg->inbound_msgaddr0);
if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE
- "arcmsr%d: wait 'abort all outstanding
command' timeout \n"
- , acb->host->host_no);
+ pr_notice("arcmsr%d: wait 'abort all outstanding "
+ "command' timeout\n", acb->host->host_no);
return false;
}
return true;
}

-static uint8_t arcmsr_hbaB_abort_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_hbaB_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE
- "arcmsr%d: wait 'abort all outstanding
command' timeout \n"
- , acb->host->host_no);
+ pr_notice("arcmsr%d: wait 'abort all outstanding "
+ "command' timeout\n", acb->host->host_no);
return false;
}
return true;
}
-static uint8_t arcmsr_hbaC_abort_allcmd(struct AdapterControlBlock *pACB)
+
+static uint8_t
+arcmsr_hbaC_abort_allcmd(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C __iomem *reg = pACB->pmuC;
+
writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, &reg->inbound_msgaddr0);
writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell);
if (!arcmsr_hbaC_wait_msgint_ready(pACB)) {
- printk(KERN_NOTICE
- "arcmsr%d: wait 'abort all outstanding
command' timeout \n"
- , pACB->host->host_no);
+ 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: {
+ case ACB_ADAPTER_TYPE_A:
rtnval = arcmsr_hbaA_abort_allcmd(acb);
- }
break;

- case ACB_ADAPTER_TYPE_B: {
+ case ACB_ADAPTER_TYPE_B:
rtnval = arcmsr_hbaB_abort_allcmd(acb);
- }
break;

- case ACB_ADAPTER_TYPE_C: {
+ case ACB_ADAPTER_TYPE_C:
rtnval = arcmsr_hbaC_abort_allcmd(acb);
- }
+ break;
}
return rtnval;
}

-static bool arcmsr_hbaB_enable_driver_mode(struct AdapterControlBlock *pacb)
-{
- struct MessageUnit_B *reg = pacb->pmuB;
- writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell);
- if (!arcmsr_hbaB_wait_msgint_ready(pacb)) {
- printk(KERN_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;
unsigned long flags;
+
atomic_dec(&acb->ccboutstandingcount);
arcmsr_pci_unmap_dma(ccb);
ccb->startdone = ARCMSR_CCB_DONE;
@@ -922,33 +942,39 @@ 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;
+ struct SENSE_DATA *sensebuffer =
+ (struct SENSE_DATA *)pcmd->sense_buffer;
+
pcmd->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
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;
pcmd->result |= (DRIVER_SENSE << 24);
}
}

-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(&reg->outbound_intmask);
- writel(orig_mask|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, \
- &reg->outbound_intmask);
+ writel(orig_mask | ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE,
+ &reg->outbound_intmask);
}
break;
case ACB_ADAPTER_TYPE_B : {
@@ -957,21 +983,25 @@ static u32 arcmsr_disable_outbound_ints(
writel(0, reg->iop2drv_doorbell_mask);
}
break;
- case ACB_ADAPTER_TYPE_C:{
+ case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C __iomem *reg = acb->pmuC;
/* disable all outbound interrupt */
- orig_mask = readl(&reg->host_int_mask); /* disable
outbound message0 int */
- writel(orig_mask|ARCMSR_HBCMU_ALL_INTMASKENABLE,
&reg->host_int_mask);
+ orig_mask = readl(&reg->host_int_mask);
+ writel(orig_mask | ARCMSR_HBCMU_ALL_INTMASKENABLE,
+ &reg->host_int_mask);
+ readl(&reg->host_int_mask);
}
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;
+
id = ccb->pcmd->device->id;
lun = ccb->pcmd->device->lun;
if (!error) {
@@ -979,7 +1009,7 @@ 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;
@@ -989,7 +1019,6 @@ static void arcmsr_report_ccb_state(stru
break;

case ARCMSR_DEV_ABORTED:
-
case ARCMSR_DEV_INIT_FAIL: {
acb->devstate[id][lun] = ARECA_RAID_GONE;
ccb->pcmd->result = DID_BAD_TARGET << 16;
@@ -1005,89 +1034,87 @@ 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
+ 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);
+ 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;
struct ARCMSR_CDB *pARCMSR_CDB;
bool error;
struct CommandControlBlock *pCCB;
- switch (acb->adapter_type) {

+ switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA;
uint32_t outbound_intstatus;
outbound_intstatus = readl(&reg->outbound_intstatus) &
acb->outbound_int_enable;
/*clear and abort all outbound posted Q*/
- writel(outbound_intstatus,
&reg->outbound_intstatus);/*clear interrupt*/
- while(((flag_ccb = readl(&reg->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, &reg->outbound_intstatus);
+ while (((flag_ccb = readl(&reg->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);
}
}
break;
-
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++) {
flag_ccb = reg->done_qbuffer[i];
if (flag_ccb != 0) {
reg->done_qbuffer[i] = 0;
- 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;
@@ -1098,28 +1125,36 @@ static void arcmsr_done4abort_postqueue(
break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C __iomem *reg = acb->pmuC;
- struct ARCMSR_CDB *pARCMSR_CDB;
- uint32_t flag_ccb, ccb_cdb_phy;
+ uint32_t ccb_cdb_phy;
bool error;
struct CommandControlBlock *pCCB;
- while ((readl(&reg->host_int_status) &
ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) && (i++ <
ARCMSR_MAX_OUTSTANDING_CMD)) {
+ while ((readl(&reg->host_int_status) &
+ ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR)
+ && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
/*need to do*/
flag_ccb = readl(&reg->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;
}
}
-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;
+ (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);
@@ -1130,10 +1165,11 @@ 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);
}

@@ -1149,6 +1185,8 @@ static void arcmsr_remove(struct pci_dev
}
}
}
+ arcmsr_free_ccb_pool(acb);
+ arcmsr_free_mu(acb);
if (acb->acb_flags & ACB_F_MSI_ENABLED) {
free_irq(pdev->irq, acb);
pci_disable_msi(pdev);
@@ -1158,20 +1196,20 @@ static void arcmsr_remove(struct pci_dev
pci_disable_msix(pdev);
} else
free_irq(pdev->irq, acb);
- arcmsr_free_ccb_pool(acb);
- arcmsr_free_mu(acb);
arcmsr_unmap_pciregion(acb);
pci_release_regions(pdev);
scsi_host_put(host);
pci_disable_device(pdev);
}

-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);
if (acb->acb_flags & ACB_F_MSIX_ENABLED) {
@@ -1191,6 +1229,7 @@ static void arcmsr_shutdown(struct pci_d
static int arcmsr_module_init(void)
{
int error = 0;
+
error = pci_register_driver(&arcmsr_pci_driver);
return error;
}
@@ -1199,25 +1238,26 @@ static void arcmsr_module_exit(void)
{
pci_unregister_driver(&arcmsr_pci_driver);
}
+
module_init(arcmsr_module_init);
module_exit(arcmsr_module_exit);

-static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
- u32 intmask_org)
+static void
+arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, u32 intmask_org)
{
u32 mask;
- switch (acb->adapter_type) {

+ switch (acb->adapter_type) {
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, &reg->outbound_intmask);
acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff;
- }
break;
-
+ }
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK |
@@ -1226,36 +1266,39 @@ static void arcmsr_enable_outbound_ints(
ARCMSR_IOP2DRV_MESSAGE_CMD_DONE);
writel(mask, reg->iop2drv_doorbell_mask);
acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f;
- }
break;
+ }
case ACB_ADAPTER_TYPE_C: {
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);
+ mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK |
+ ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK |
+ ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK);
writel(intmask_org & mask, &reg->host_int_mask);
acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f;
+ break;
}
}
}

-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;
- int8_t *psge = (int8_t *)&arcmsr_cdb->u;
+ struct ARCMSR_CDB *arcmsr_cdb = &ccb->arcmsr_cdb;
+ uint8_t *psge = (int8_t *)&arcmsr_cdb->u;
__le32 address_lo, address_hi;
int arccdbsize = 0x30;
__le32 length = 0;
int i;
struct scatterlist *sg;
int nseg;
+
ccb->pcmd = pcmd;
memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB));
arcmsr_cdb->TargetID = pcmd->device->id;
arcmsr_cdb->LUN = pcmd->device->lun;
arcmsr_cdb->Function = 1;
- arcmsr_cdb->msgContext = 0;
memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len);
-
nseg = scsi_dma_map(pcmd);
if (unlikely(nseg > acb->host->sg_tablesize || nseg < 0))
return FAILED;
@@ -1266,24 +1309,23 @@ static int arcmsr_build_ccb(struct Adapt
address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sg)));
if (address_hi == 0) {
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;
-
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)
@@ -1292,10 +1334,12 @@ static int arcmsr_build_ccb(struct Adapt
return SUCCESS;
}

-static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct
CommandControlBlock *ccb)
+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;
+
atomic_inc(&acb->ccboutstandingcount);
ccb->startdone = ARCMSR_CCB_START;
switch (acb->adapter_type) {
@@ -1304,13 +1348,11 @@ static void arcmsr_post_ccb(struct Adapt

if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE)
writel(cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
- &reg->inbound_queueport);
- else {
- writel(cdb_phyaddr, &reg->inbound_queueport);
- }
+ &reg->inbound_queueport);
+ else
+ writel(cdb_phyaddr, &reg->inbound_queueport);
}
break;
-
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
uint32_t ending_index, index = reg->postq_index;
@@ -1323,7 +1365,7 @@ static void arcmsr_post_ccb(struct Adapt
else
reg->post_qbuffer[index] = cdb_phyaddr;
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);
}
@@ -1332,88 +1374,92 @@ static void arcmsr_post_ccb(struct Adapt
struct MessageUnit_C __iomem *phbcmu = acb->pmuC;
uint32_t ccb_post_stamp, arc_cdb_size;

- arc_cdb_size = (ccb->arc_cdb_size > 0x300) ? 0x300 :
ccb->arc_cdb_size;
+ 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);
- } else {
- 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);
}
+ break;
}
}

-static void arcmsr_hbaA_stop_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, &reg->inbound_msgaddr0);
- if (!arcmsr_hbaA_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_hbaB_stop_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_hbaB_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_hbaC_stop_bgrb(struct AdapterControlBlock *pACB)
+static void
+arcmsr_hbaC_stop_bgrb(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C __iomem *reg = pACB->pmuC;
+
pACB->acb_flags &= ~ACB_F_MSG_START_BGRB;
writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, &reg->inbound_msgaddr0);
writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell);
- if (!arcmsr_hbaC_wait_msgint_ready(pACB)) {
- printk(KERN_NOTICE
- "arcmsr%d: wait 'stop adapter background
rebulid' timeout \n"
- , pACB->host->host_no);
- }
- return;
+ if (!arcmsr_hbaC_wait_msgint_ready(pACB))
+ pr_notice("arcmsr%d: wait 'stop adapter background rebulid' "
+ "timeout\n", pACB->host->host_no);
}
-static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
+
+static void
+arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
- case ACB_ADAPTER_TYPE_A: {
+ case ACB_ADAPTER_TYPE_A:
arcmsr_hbaA_stop_bgrb(acb);
- }
break;
-
- case ACB_ADAPTER_TYPE_B: {
+ case ACB_ADAPTER_TYPE_B:
arcmsr_hbaB_stop_bgrb(acb);
- }
break;
- case ACB_ADAPTER_TYPE_C: {
+ case ACB_ADAPTER_TYPE_C:
arcmsr_hbaC_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);
+ dma_free_coherent(&acb->pdev->dev, acb->uncache_size,
+ acb->dma_coherent, acb->dma_coherent_handle);
}

-static void arcmsr_iop_message_read(struct AdapterControlBlock *acb)
+static 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,
&reg->inbound_doorbell);
+ writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
+ &reg->inbound_doorbell);
}
break;
-
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell);
@@ -1421,12 +1467,15 @@ static void arcmsr_iop_message_read(stru
break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C __iomem *reg = acb->pmuC;
- writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK,
&reg->inbound_doorbell);
+ writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK,
+ &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: {
@@ -1435,10 +1484,10 @@ 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,
&reg->inbound_doorbell);
+ writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK,
+ &reg->inbound_doorbell);
}
break;
-
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
/*
@@ -1454,57 +1503,59 @@ 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,
&reg->inbound_doorbell);
+ writel(ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK,
+ &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) {

+ switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA;
qbuffer = (struct QBUFFER __iomem *)&reg->message_rbuffer;
}
break;
-
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer;
}
break;
case ACB_ADAPTER_TYPE_C: {
- struct MessageUnit_C __iomem *phbcmu = acb->pmuC;
- qbuffer = (struct QBUFFER __iomem *)&phbcmu->message_rbuffer;
+ struct MessageUnit_C __iomem *reg = acb->pmuC;
+ qbuffer = (struct QBUFFER __iomem *)&reg->message_rbuffer;
}
+ break;
}
return qbuffer;
}

-static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct
AdapterControlBlock *acb)
+static struct QBUFFER __iomem
+*arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb)
{
struct QBUFFER __iomem *pqbuffer = NULL;
- switch (acb->adapter_type) {

+ switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA;
- pqbuffer = (struct QBUFFER __iomem *) &reg->message_wbuffer;
+ pqbuffer = (struct QBUFFER __iomem *)&reg->message_wbuffer;
}
break;
-
case ACB_ADAPTER_TYPE_B: {
- struct MessageUnit_B *reg = acb->pmuB;
+ struct MessageUnit_B *reg = acb->pmuB;
pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer;
}
break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C __iomem *reg = acb->pmuC;
pqbuffer = (struct QBUFFER __iomem *)&reg->message_wbuffer;
- }
-
+ }
+ break;
}
return pqbuffer;
}
@@ -1575,7 +1626,8 @@ arcmsr_Read_iop_rqbuffer_data(struct Ada
return 1;
}

-static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb)
+static void
+arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb)
{
unsigned long flags;
struct QBUFFER __iomem *prbuffer;
@@ -1687,6 +1739,7 @@ arcmsr_hbaA_doorbell_isr(struct AdapterC
{
uint32_t outbound_doorbell;
struct MessageUnit_A __iomem *reg = acb->pmuA;
+
outbound_doorbell = readl(&reg->outbound_doorbell);
do {
writel(outbound_doorbell, &reg->outbound_doorbell);
@@ -1704,6 +1757,7 @@ arcmsr_hbaC_doorbell_isr(struct AdapterC
{
uint32_t outbound_doorbell;
struct MessageUnit_C __iomem *reg = pACB->pmuC;
+
outbound_doorbell = readl(&reg->outbound_doorbell);
do {
writel(outbound_doorbell, &reg->outbound_doorbell_clear);
@@ -1728,6 +1782,7 @@ arcmsr_hbaA_postqueue_isr(struct Adapter
struct ARCMSR_CDB *pARCMSR_CDB;
struct CommandControlBlock *pCCB;
bool error;
+
while ((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) {
pARCMSR_CDB = (struct ARCMSR_CDB *)
(acb->vir2phy_offset + (flag_ccb << 5));
@@ -1748,6 +1803,7 @@ arcmsr_hbaB_postqueue_isr(struct Adapter
struct ARCMSR_CDB *pARCMSR_CDB;
struct CommandControlBlock *pCCB;
bool error;
+
index = reg->doneq_index;
while ((flag_ccb = reg->done_qbuffer[index]) != 0) {
reg->done_qbuffer[index] = 0;
@@ -1802,6 +1858,7 @@ static void
arcmsr_hbaA_message_isr(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
+
/*clear interrupt and message state*/
writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, &reg->outbound_intstatus);
schedule_work(&acb->arcmsr_do_message_isr_bh);
@@ -1811,6 +1868,7 @@ static void
arcmsr_hbaB_message_isr(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
+
/*clear interrupt and message state*/
writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
schedule_work(&acb->arcmsr_do_message_isr_bh);
@@ -1820,6 +1878,7 @@ static void
arcmsr_hbaC_message_isr(struct AdapterControlBlock *acb)
{
struct MessageUnit_C __iomem *reg = acb->pmuC;
+
/*clear interrupt and message state*/
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
&reg->outbound_doorbell_clear);
@@ -1831,6 +1890,7 @@ arcmsr_hbaA_handle_isr(struct AdapterCon
{
uint32_t outbound_intstatus;
struct MessageUnit_A __iomem *reg = acb->pmuA;
+
outbound_intstatus = readl(&reg->outbound_intstatus) &
acb->outbound_int_enable;
if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT))
@@ -1856,6 +1916,7 @@ arcmsr_hbaB_handle_isr(struct AdapterCon
{
uint32_t outbound_doorbell;
struct MessageUnit_B *reg = acb->pmuB;
+
outbound_doorbell = readl(reg->iop2drv_doorbell) &
acb->outbound_int_enable;
if (!outbound_doorbell)
@@ -1885,6 +1946,7 @@ arcmsr_hbaC_handle_isr(struct AdapterCon
{
uint32_t host_interrupt_status;
struct MessageUnit_C __iomem *phbcmu = pACB->pmuC;
+
host_interrupt_status = readl(&phbcmu->host_int_status) &
(ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR |
ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR);
@@ -1920,7 +1982,8 @@ arcmsr_interrupt(struct AdapterControlBl
}
}

-static void arcmsr_iop_parking(struct AdapterControlBlock *acb)
+static void
+arcmsr_iop_parking(struct AdapterControlBlock *acb)
{
uint32_t intmask_org;

@@ -2276,16 +2339,18 @@ message_out:
return retvalue;
}

-static struct CommandControlBlock *arcmsr_get_freeccb(struct
AdapterControlBlock *acb)
+static 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);
list_del_init(&ccb->list);
- }else{
+ } else {
spin_unlock_irqrestore(&acb->ccblist_lock, flags);
return NULL;
}
@@ -2293,7 +2358,8 @@ static struct CommandControlBlock *arcms
return ccb;
}

-static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
+static void
+arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
struct scsi_cmnd *cmd)
{
switch (cmd->cmnd[0]) {
@@ -2301,7 +2367,6 @@ 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);
@@ -2320,14 +2385,11 @@ 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;
@@ -2343,22 +2405,24 @@ 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;
uint8_t scsicmd = cmd->cmnd[0];
+
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) {
- cmd->result = (DID_NO_CONNECT << 16);
- }
+ 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);
return 0;
}
@@ -2397,6 +2461,7 @@ arcmsr_hbaA_get_config(struct AdapterCon
char __iomem *iop_device_map =
(char __iomem *)(&reg->message_rwbuffer[21]);
int count;
+
writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
pr_notice("arcmsr%d: wait 'get adapter firmware "
@@ -2456,6 +2521,7 @@ arcmsr_hbaB_get_config(struct AdapterCon
char __iomem *iop_device_map;
/*firm_version,21,84-99*/
int count;
+
acb->roundup_ccbsize = roundup(sizeof(struct MessageUnit_B), 32);
dma_coherent2 = dma_alloc_coherent(&pdev->dev, acb->roundup_ccbsize,
&dma_coherent_handle2, GFP_KERNEL);
@@ -2543,9 +2609,10 @@ arcmsr_hbaC_get_config(struct AdapterCon
struct MessageUnit_C __iomem *reg = pACB->pmuC;
char *acb_firm_model = pACB->firm_model;
char *acb_firm_version = pACB->firm_version;
- char __iomem *iop_firm_model = (char __iomem
*)(&reg->msgcode_rwbuffer[15]);
- char __iomem *iop_firm_version = (char __iomem
*)(&reg->msgcode_rwbuffer[17]);
+ char __iomem *iop_firm_model = (char __iomem
*)&reg->msgcode_rwbuffer[15];
+ char __iomem *iop_firm_version = (char __iomem
*)&reg->msgcode_rwbuffer[17];
int count;
+
/* disable all outbound interrupt */
intmask_org = readl(&reg->host_int_mask);
writel(intmask_org | ARCMSR_HBCMU_ALL_INTMASKENABLE,
@@ -2601,6 +2668,7 @@ static bool
arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
{
bool rtn = false;
+
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A:
rtn = arcmsr_hbaA_get_config(acb);
@@ -2621,40 +2689,49 @@ arcmsr_get_firmware_spec(struct AdapterC
return rtn;
}

-static int arcmsr_hbaA_polling_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_hbaA_ccb_retry:
+
+polling_hba_ccb_retry:
poll_count++;
- outbound_intstatus = readl(&reg->outbound_intstatus) &
acb->outbound_int_enable;
- writel(outbound_intstatus, &reg->outbound_intstatus);/*clear interrupt*/
+ outbound_intstatus = readl(&reg->outbound_intstatus) &
+ acb->outbound_int_enable;
+ writel(outbound_intstatus, &reg->outbound_intstatus);
while (1) {
- if ((flag_ccb = readl(&reg->outbound_queueport)) ==
0xFFFFFFFF) {
- if (poll_ccb_done){
+ flag_ccb = readl(&reg->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_hbaA_ccb_retry;
+ 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);
- poll_ccb_done = (ccb == poll_ccb) ? 1:0;
+ 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"
+ 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
@@ -2663,22 +2740,24 @@ static int arcmsr_hbaA_polling_ccbdone(s
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_hbaB_polling_ccbdone(struct AdapterControlBlock *acb,
- struct CommandControlBlock *poll_ccb)
+static int
+arcmsr_hbaB_polling_ccbdone(struct AdapterControlBlock *acb,
+ struct CommandControlBlock *poll_ccb)
{
struct MessageUnit_B *reg = acb->pmuB;
struct ARCMSR_CDB *arcmsr_cdb;
@@ -2686,25 +2765,25 @@ static int arcmsr_hbaB_polling_ccbdone(s
uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0;
int index, rtn;
bool error;
- polling_hbaB_ccb_retry:

+polling_hbb_ccb_retry:
poll_count++;
/* clear doorbell interrupt */
writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
- while(1){
+ while (1) {
index = reg->doneq_index;
flag_ccb = reg->done_qbuffer[index];
if (flag_ccb == 0) {
- if (poll_ccb_done){
+ if (poll_ccb_done) {
rtn = SUCCESS;
break;
- }else {
+ } else {
msleep(25);
- if (poll_count > 100){
+ if (poll_count > 100) {
rtn = FAILED;
break;
}
- goto polling_hbaB_ccb_retry;
+ goto polling_hbb_ccb_retry;
}
}
reg->done_qbuffer[index] = 0;
@@ -2713,36 +2792,44 @@ static int arcmsr_hbaB_polling_ccbdone(s
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_hbaC_polling_ccbdone(struct AdapterControlBlock
*acb, struct CommandControlBlock *poll_ccb)
+static int
+arcmsr_hbaC_polling_ccbdone(struct AdapterControlBlock *acb,
+ struct CommandControlBlock *poll_ccb)
{
struct MessageUnit_C __iomem *reg = acb->pmuC;
uint32_t flag_ccb, ccb_cdb_phy;
@@ -2751,10 +2838,12 @@ static int arcmsr_hbaC_polling_ccbdone(s
struct CommandControlBlock *pCCB;
uint32_t poll_ccb_done = 0, poll_count = 0;
int rtn;
-polling_hbaC_ccb_retry:
+
+polling_hbc_ccb_retry:
poll_count++;
while (1) {
- if ((readl(&reg->host_int_status) &
ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) {
+ if ((readl(&reg->host_int_status) &
+ ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) {
if (poll_ccb_done) {
rtn = SUCCESS;
break;
@@ -2764,101 +2853,105 @@ polling_hbaC_ccb_retry:
rtn = FAILED;
break;
}
- goto polling_hbaC_ccb_retry;
+ goto polling_hbc_ccb_retry;
}
}
flag_ccb = readl(&reg->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"
+ 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);
+ 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;
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1)
+ ? true : false;
arcmsr_report_ccb_state(acb, pCCB, error);
}
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: {
+ switch (acb->adapter_type) {
+ case ACB_ADAPTER_TYPE_A:
rtn = arcmsr_hbaA_polling_ccbdone(acb, poll_ccb);
- }
break;
-
- case ACB_ADAPTER_TYPE_B: {
+ case ACB_ADAPTER_TYPE_B:
rtn = arcmsr_hbaB_polling_ccbdone(acb, poll_ccb);
- }
break;
- case ACB_ADAPTER_TYPE_C: {
+ case ACB_ADAPTER_TYPE_C:
rtn = arcmsr_hbaC_polling_ccbdone(acb, poll_ccb);
- }
+ break;
}
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_hi32, cdb_phyaddr_lo32;
dma_addr_t dma_coherent_handle;
+
/*
********************************************************************
- ** here we need to tell iop 331 our freeccb.HighPart
+ ** Here we need to tell iop our freeccb.HighPart
** if freeccb.HighPart is not zero
********************************************************************
*/
dma_coherent_handle = acb->dma_coherent_handle;
- cdb_phyaddr = (uint32_t)(dma_coherent_handle);
- cdb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16);
+ cdb_phyaddr_lo32 = (uint32_t)(dma_coherent_handle & 0xffffffff);
+ cdb_phyaddr_hi32 = (uint32_t)((dma_coherent_handle >> 16) >> 16);
acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32;
/*
***********************************************************************
- ** if adapter type B, set window of "post command Q"
+ ** if adapter type B set window of "post command Q"
***********************************************************************
*/
switch (acb->adapter_type) {
-
case ACB_ADAPTER_TYPE_A: {
if (cdb_phyaddr_hi32 != 0) {
struct MessageUnit_A __iomem *reg = acb->pmuA;
- writel(ARCMSR_SIGNATURE_SET_CONFIG, \
- &reg->message_rwbuffer[0]);
+ writel(ARCMSR_SIGNATURE_SET_CONFIG,
+ &reg->message_rwbuffer[0]);
writel(cdb_phyaddr_hi32, &reg->message_rwbuffer[1]);
- writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \
- &reg->inbound_msgaddr0);
+ writel(ARCMSR_INBOUND_MESG0_SET_CONFIG,
+ &reg->inbound_msgaddr0);
if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d: ""set ccb high \
- part physical address timeout\n",
- acb->host->host_no);
+ pr_notice("arcmsr%d: set ccb "
+ "high part physical address timeout\n",
+ acb->host->host_no);
return 1;
}
}
}
break;
-
case ACB_ADAPTER_TYPE_B: {
unsigned long post_queue_phyaddr;
uint32_t __iomem *rwbuffer;
@@ -2868,7 +2961,7 @@ static int arcmsr_iop_confirm(struct Ada
reg->doneq_index = 0;
writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell);
if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d:can not set diver
mode\n", \
+ pr_notice("arcmsr%d:can not set diver mode\n",
acb->host->host_no);
return 1;
}
@@ -2884,50 +2977,60 @@ 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_hbaB_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \
- timeout \n",acb->host->host_no);
+ pr_notice("arcmsr%d: 'set command Q window' "
+ "timeout\n", acb->host->host_no);
+ return 1;
+ }
+ writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell);
+ if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
+ pr_err("arcmsr%d: can't set driver mode.\n",
+ acb->host->host_no);
return 1;
}
- arcmsr_hbaB_enable_driver_mode(acb);
}
break;
case ACB_ADAPTER_TYPE_C: {
+ struct MessageUnit_C __iomem *reg = acb->pmuC;
if (cdb_phyaddr_hi32 != 0) {
- struct MessageUnit_C __iomem *reg = acb->pmuC;
-
- printk(KERN_NOTICE "arcmsr%d: cdb_phyaddr_hi32=0x%x\n",
- acb->adapter_index, cdb_phyaddr_hi32);
- writel(ARCMSR_SIGNATURE_SET_CONFIG,
&reg->msgcode_rwbuffer[0]);
+ pr_notice("arcmsr%d: cdb_phyaddr_hi32 = 0x%x\n",
+ acb->adapter_index, cdb_phyaddr_hi32);
+ writel(ARCMSR_SIGNATURE_SET_CONFIG,
+ &reg->msgcode_rwbuffer[0]);
writel(cdb_phyaddr_hi32, &reg->msgcode_rwbuffer[1]);
- writel(ARCMSR_INBOUND_MESG0_SET_CONFIG,
&reg->inbound_msgaddr0);
- writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE,
&reg->inbound_doorbell);
+ writel(ARCMSR_INBOUND_MESG0_SET_CONFIG,
+ &reg->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE,
+ &reg->inbound_doorbell);
if (!arcmsr_hbaC_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d: 'set
command Q window' \
- timeout \n", acb->host->host_no);
+ pr_notice("arcmsr%d: 'set "
+ "command Q window' timeout\n",
+ acb->host->host_no);
return 1;
}
}
}
+ 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) {

case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA;
do {
firmware_state = readl(&reg->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 {
@@ -2940,131 +3043,162 @@ static void arcmsr_wait_firmware_ready(s
struct MessageUnit_C __iomem *reg = acb->pmuC;
do {
firmware_state = readl(&reg->outbound_msgaddr1);
- } while ((firmware_state &
ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
+ } while ((firmware_state &
+ ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
}
+ break;
}
}

-static void arcmsr_hbaA_request_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));
- return;
+
+ 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)){
+ 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, &reg->inbound_msgaddr0);
- mod_timer(&acb->eternal_timer, jiffies +
msecs_to_jiffies(6 * HZ));
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
}
- return;
}

-static void arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb)
+static void
+arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *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));
- return;
+
+ 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)) {
+ 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));
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
}
- return;
}

-static void arcmsr_hbaC_request_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));
- return;
+
+ 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)) {
+ 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, &reg->inbound_msgaddr0);
- writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE,
&reg->inbound_doorbell);
- mod_timer(&acb->eternal_timer, jiffies +
msecs_to_jiffies(6 * HZ));
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE,
+ &reg->inbound_doorbell);
+ 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;
+
switch (acb->adapter_type) {
- case ACB_ADAPTER_TYPE_A: {
- arcmsr_hbaA_request_device_map(acb);
- }
+ case ACB_ADAPTER_TYPE_A:
+ arcmsr_hbaA_request_device_map(acb);
break;
- case ACB_ADAPTER_TYPE_B: {
- arcmsr_hbaB_request_device_map(acb);
- }
+ case ACB_ADAPTER_TYPE_B:
+ arcmsr_hbaB_request_device_map(acb);
+ break;
+ case ACB_ADAPTER_TYPE_C:
+ arcmsr_hbaC_request_device_map(acb);
break;
- case ACB_ADAPTER_TYPE_C: {
- arcmsr_hbaC_request_device_map(acb);
- }
}
}

-static void arcmsr_hbaA_start_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, &reg->inbound_msgaddr0);
if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
- rebulid' timeout \n", acb->host->host_no);
+ pr_notice("arcmsr%d: wait 'start adapter background "
+ "rebulid' timeout\n", acb->host->host_no);
}
}

-static void arcmsr_hbaB_start_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_hbaB_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
- rebulid' timeout \n",acb->host->host_no);
+ pr_notice("arcmsr%d: wait 'start adapter background "
+ "rebulid' timeout\n", acb->host->host_no);
}
}

-static void arcmsr_hbaC_start_bgrb(struct AdapterControlBlock *pACB)
+static void
+arcmsr_hbaC_start_bgrb(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C __iomem *phbcmu = 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)) {
- printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
- rebulid' timeout \n", pACB->host->host_no);
+ 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:
@@ -3075,10 +3209,12 @@ static void arcmsr_start_adapter_bgrb(st
break;
case ACB_ADAPTER_TYPE_C:
arcmsr_hbaC_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: {
@@ -3088,10 +3224,10 @@ static void arcmsr_clear_doorbell_queue_
outbound_doorbell = readl(&reg->outbound_doorbell);
/*clear doorbell interrupt */
writel(outbound_doorbell, &reg->outbound_doorbell);
- writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
&reg->inbound_doorbell);
+ writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
+ &reg->inbound_doorbell);
}
break;
-
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
/*clear interrupt and message state*/
@@ -3102,37 +3238,43 @@ static void arcmsr_clear_doorbell_queue_
break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C __iomem *reg = acb->pmuC;
- uint32_t outbound_doorbell;
+ uint32_t outbound_doorbell, i;
/* empty doorbell Qbuffer if door bell ringed */
outbound_doorbell = readl(&reg->outbound_doorbell);
writel(outbound_doorbell, &reg->outbound_doorbell_clear);
- writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK,
&reg->inbound_doorbell);
+ writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK,
+ &reg->inbound_doorbell);
+ for (i = 0; i < 200; i++) {
+ msleep(20);
+ outbound_doorbell = readl(&reg->outbound_doorbell);
+ if (outbound_doorbell &
+ ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) {
+ writel(outbound_doorbell,
+ &reg->outbound_doorbell_clear);
+ writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK,
+ &reg->inbound_doorbell);
+ } else
+ break;
}
+ }
+ 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:
- return;
- 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)) {
- printk(KERN_NOTICE "ARCMSR IOP enables
EOI_MODE TIMEOUT");
- return;
- }
- }
- break;
- case ACB_ADAPTER_TYPE_C:
- return;
+ struct MessageUnit_B *reg = acb->pmuB;
+
+ if (acb->adapter_type == ACB_ADAPTER_TYPE_B) {
+ 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;
}

-static void arcmsr_hardware_reset(struct AdapterControlBlock *acb)
+static void
+arcmsr_hardware_reset(struct AdapterControlBlock *acb)
{
uint8_t value[64];
int i, count = 0;
@@ -3140,7 +3282,8 @@ static void arcmsr_hardware_reset(struct
struct MessageUnit_C __iomem *pmuC = acb->pmuC;

/* 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]);
}
@@ -3156,7 +3299,8 @@ 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));
+ } while (((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);
@@ -3167,11 +3311,13 @@ static void arcmsr_hardware_reset(struct
pci_write_config_byte(acb->pdev, i, value[i]);
}
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 */
intmask_org = arcmsr_disable_outbound_ints(acb);
arcmsr_wait_firmware_ready(acb);
@@ -3186,7 +3332,8 @@ 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;
@@ -3209,7 +3356,8 @@ 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);
@@ -3220,162 +3368,182 @@ 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;
+ uint32_t intmask_org;
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(&reg->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(&reg->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(&reg->outbound_doorbell);
- writel(outbound_doorbell,
&reg->outbound_doorbell); /*clear interrupt */
-
writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, &reg->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 */
+ 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;
}
- 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;
+ 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;
}
- 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;
+ 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;
+ }
+ 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(&reg->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;
+ ssleep(ARCMSR_SLEEPTIME);
+ if ((readl(&reg->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;
}
- 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(&reg->outbound_doorbell);
- writel(outbound_doorbell,
&reg->outbound_doorbell_clear); /*clear interrupt */
-
writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, &reg->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;
}
- 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;
+
rtn = arcmsr_polling_ccbdone(acb, ccb);
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;
int i = 0;
int rtn = FAILED;
- printk(KERN_NOTICE
- "arcmsr%d: abort device command of scsi id = %d lun = %d \n",
+ uint32_t intmask_org;
+
+ 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++;
@@ -3385,9 +3553,12 @@ static int arcmsr_abort(struct scsi_cmnd
** we need to handle it as soon as possible and exit
************************************************
*/
- if (!atomic_read(&acb->ccboutstandingcount))
- return rtn;
+ if (!atomic_read(&acb->ccboutstandingcount)) {
+ acb->acb_flags &= ~ACB_F_ABORT;
+ return SUCCESS;
+ }

+ intmask_org = arcmsr_disable_outbound_ints(acb);
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) {
@@ -3396,17 +3567,20 @@ static int arcmsr_abort(struct scsi_cmnd
break;
}
}
+ arcmsr_enable_outbound_ints(acb, intmask_org);
acb->acb_flags &= ~ACB_F_ABORT;
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;
+
switch (acb->pdev->device) {
case PCI_DEVICE_ID_ARECA_1110:
case PCI_DEVICE_ID_ARECA_1200:
@@ -3431,15 +3605,15 @@ static const char *arcmsr_info(struct Sc
case PCI_DEVICE_ID_ARECA_1680:
case PCI_DEVICE_ID_ARECA_1681:
case PCI_DEVICE_ID_ARECA_1880:
- type = "SAS";
+ type = "SAS/SATA";
break;
default:
- type = "X-TYPE";
+ type = "unknown";
+ raid6 = 0;
break;
}
- sprintf(buf, "Areca %s Host Adapter RAID Controller%s\n %s",
- type, raid6 ? "( RAID6 capable)" : "",
- ARCMSR_DRIVER_VERSION);
+ sprintf(buf, "Areca %s RAID Controller %s\narcmsr version %s\n",
+ type, raid6 ? "(RAID6 capable)" : "", ARCMSR_DRIVER_VERSION);
return buf;
}

2014-02-21 08:19:52

by Dan Carpenter

Subject: Re: [PATCH v1.3 10/11] arcmsr: Fixed coding style errors and white space change

On Fri, Feb 21, 2014 at 12:35:58PM +0800, 黃清隆 wrote:
> From: Ching <[email protected]>
>
> Fixed coding style errors and white space change.
>

This doesn't *just* do that. It also has code changes.

> -static void arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB)
> +static void
> +arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB)
> {
> struct MessageUnit_C __iomem *reg = pACB->pmuC;
> - int retry_count = 30;/* enlarge wait flush adapter cache time:
> 10 minute */
> + int retry_count = 6;
> +
> writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, &reg->inbound_msgaddr0);
> writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell);
> + readl(&reg->inbound_doorbell);
> + readl(&reg->inbound_msgaddr0);


We also change the printed driver string and there are other code
changes as well.

regards,
dan carpenter