diff -uprN a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c --- a/drivers/scsi/arcmsr/arcmsr_attr.c 2012-12-04 19:09:42.471089955 +0800 +++ b/drivers/scsi/arcmsr/arcmsr_attr.c 2012-12-04 19:12:25.983088365 +0800 @@ -59,15 +59,17 @@ struct device_attribute *arcmsr_host_attrs[]; -static ssize_t arcmsr_sysfs_iop_message_read(struct file *filp, - struct kobject *kobj, - struct bin_attribute *bin, - char *buf, loff_t off, - size_t count) +static ssize_t +arcmsr_sysfs_iop_message_read(struct file *filp, + struct kobject *kobj, + struct bin_attribute *bin, + char *buf, loff_t off, + size_t count) { - struct device *dev = container_of(kobj,struct device,kobj); + struct device *dev = container_of(kobj, struct device, kobj); struct Scsi_Host *host = class_to_shost(dev); - struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; + struct AdapterControlBlock *acb = + (struct AdapterControlBlock *)host->hostdata; uint8_t *pQbuffer,*ptmpQbuffer; int32_t allxfer_len = 0; @@ -95,7 +97,8 @@ static ssize_t arcmsr_sysfs_iop_message_ iop_data = prbuffer->data; iop_len = readl(&prbuffer->data_len); while (iop_len > 0) { - acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data); + acb->rqbuffer[acb->rqbuf_lastindex] = + readb(iop_data); acb->rqbuf_lastindex++; acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER; iop_data++; @@ -106,15 +109,17 @@ static ssize_t arcmsr_sysfs_iop_message_ return (allxfer_len); } -static ssize_t arcmsr_sysfs_iop_message_write(struct file *filp, - struct kobject *kobj, - struct bin_attribute *bin, - char *buf, loff_t off, - size_t count) +static ssize_t +arcmsr_sysfs_iop_message_write(struct file *filp, + struct kobject *kobj, + struct bin_attribute *bin, + char *buf, loff_t off, + size_t count) { - struct device *dev = container_of(kobj,struct device,kobj); + struct device *dev = container_of(kobj, struct device, kobj); struct Scsi_Host *host = class_to_shost(dev); - struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; + struct AdapterControlBlock *acb = + (struct AdapterControlBlock *)host->hostdata; int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex; uint8_t *pQbuffer, *ptmpuserbuffer; @@ -139,11 +144,13 @@ static ssize_t arcmsr_sysfs_iop_message_ &acb->wqbuffer[acb->wqbuf_lastindex]; memcpy(pQbuffer, ptmpuserbuffer, 1); acb->wqbuf_lastindex++; - acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER; + acb->wqbuf_lastindex %= + ARCMSR_MAX_QBUFFER; ptmpuserbuffer++; user_len--; } - if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) { + if (acb->acb_flags & + ACB_F_MESSAGE_WQBUFFER_CLEARED) { acb->acb_flags &= ~ACB_F_MESSAGE_WQBUFFER_CLEARED; arcmsr_post_ioctldata2iop(acb); @@ -155,15 +162,17 @@ static ssize_t arcmsr_sysfs_iop_message_ } } -static ssize_t arcmsr_sysfs_iop_message_clear(struct file *filp, - struct kobject *kobj, - struct bin_attribute *bin, - char *buf, loff_t off, - size_t count) +static ssize_t +arcmsr_sysfs_iop_message_clear(struct file *filp, + struct kobject *kobj, + struct bin_attribute *bin, + char *buf, loff_t off, + size_t count) { - struct device *dev = container_of(kobj,struct device,kobj); + struct device *dev = container_of(kobj, struct device, kobj); struct Scsi_Host *host = class_to_shost(dev); - struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; + struct AdapterControlBlock *acb = + (struct AdapterControlBlock *)host->hostdata; uint8_t *pQbuffer; if (!capable(CAP_SYS_ADMIN)) @@ -215,31 +224,37 @@ static struct bin_attribute arcmsr_sysfs .write = arcmsr_sysfs_iop_message_clear, }; -int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb) +int +arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb) { struct Scsi_Host *host = acb->host; int error; - error = sysfs_create_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_read_attr); + error = sysfs_create_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_read_attr); if (error) { - printk(KERN_ERR "arcmsr: alloc sysfs mu_read failed\n"); + pr_err("arcmsr: alloc sysfs mu_read failed\n"); goto error_bin_file_message_read; } - error = sysfs_create_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_write_attr); + error = sysfs_create_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_write_attr); if (error) { - printk(KERN_ERR "arcmsr: alloc sysfs mu_write failed\n"); + pr_err("arcmsr: alloc sysfs mu_write failed\n"); goto error_bin_file_message_write; } - error = sysfs_create_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_clear_attr); + error = sysfs_create_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_clear_attr); if (error) { - printk(KERN_ERR "arcmsr: alloc sysfs mu_clear failed\n"); + pr_err("arcmsr: alloc sysfs mu_clear failed\n"); goto error_bin_file_message_clear; } return 0; error_bin_file_message_clear: - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_write_attr); + sysfs_remove_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_write_attr); error_bin_file_message_write: - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_read_attr); + sysfs_remove_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_read_attr); error_bin_file_message_read: return error; } @@ -248,15 +263,17 @@ void arcmsr_free_sysfs_attr(struct Adapt { struct Scsi_Host *host = acb->host; - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_clear_attr); - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_write_attr); - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_read_attr); + sysfs_remove_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_clear_attr); + sysfs_remove_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_write_attr); + sysfs_remove_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_read_attr); } - static ssize_t arcmsr_attr_host_driver_version(struct device *dev, - struct device_attribute *attr, char *buf) + struct device_attribute *attr, char *buf) { return snprintf(buf, PAGE_SIZE, "%s\n", @@ -265,11 +282,11 @@ arcmsr_attr_host_driver_version(struct d static ssize_t arcmsr_attr_host_driver_posted_cmd(struct device *dev, - struct device_attribute *attr, char *buf) + struct device_attribute *attr, char *buf) { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; + (struct AdapterControlBlock *)host->hostdata; return snprintf(buf, PAGE_SIZE, "%4d\n", atomic_read(&acb->ccboutstandingcount)); @@ -281,7 +298,7 @@ arcmsr_attr_host_driver_reset(struct dev { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; + (struct AdapterControlBlock *)host->hostdata; return snprintf(buf, PAGE_SIZE, "%4d\n", acb->num_resets); @@ -293,19 +310,19 @@ arcmsr_attr_host_driver_abort(struct dev { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; + (struct AdapterControlBlock *)host->hostdata; return snprintf(buf, PAGE_SIZE, "%4d\n", acb->num_aborts); } static ssize_t -arcmsr_attr_host_fw_model(struct device *dev, struct device_attribute *attr, - char *buf) +arcmsr_attr_host_fw_model(struct device *dev, + struct device_attribute *attr, char *buf) { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; + (struct AdapterControlBlock *)host->hostdata; return snprintf(buf, PAGE_SIZE, "%s\n", acb->firm_model); @@ -317,8 +334,7 @@ arcmsr_attr_host_fw_version(struct devic { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; - + (struct AdapterControlBlock *)host->hostdata; return snprintf(buf, PAGE_SIZE, "%s\n", acb->firm_version); @@ -330,7 +346,7 @@ arcmsr_attr_host_fw_request_len(struct d { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; + (struct AdapterControlBlock *)host->hostdata; return snprintf(buf, PAGE_SIZE, "%4d\n", @@ -343,7 +359,7 @@ arcmsr_attr_host_fw_numbers_queue(struct { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; + (struct AdapterControlBlock *)host->hostdata; return snprintf(buf, PAGE_SIZE, "%4d\n", @@ -356,7 +372,7 @@ arcmsr_attr_host_fw_sdram_size(struct de { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; + (struct AdapterControlBlock *)host->hostdata; return snprintf(buf, PAGE_SIZE, "%4d\n", @@ -369,23 +385,33 @@ arcmsr_attr_host_fw_hd_channels(struct d { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; + (struct AdapterControlBlock *)host->hostdata; return snprintf(buf, PAGE_SIZE, "%4d\n", acb->firm_hd_channels); } -static DEVICE_ATTR(host_driver_version, S_IRUGO, arcmsr_attr_host_driver_version, NULL); -static DEVICE_ATTR(host_driver_posted_cmd, S_IRUGO, arcmsr_attr_host_driver_posted_cmd, NULL); -static DEVICE_ATTR(host_driver_reset, S_IRUGO, arcmsr_attr_host_driver_reset, NULL); -static DEVICE_ATTR(host_driver_abort, S_IRUGO, arcmsr_attr_host_driver_abort, NULL); -static DEVICE_ATTR(host_fw_model, S_IRUGO, arcmsr_attr_host_fw_model, NULL); -static DEVICE_ATTR(host_fw_version, S_IRUGO, arcmsr_attr_host_fw_version, NULL); -static DEVICE_ATTR(host_fw_request_len, S_IRUGO, arcmsr_attr_host_fw_request_len, NULL); -static DEVICE_ATTR(host_fw_numbers_queue, S_IRUGO, arcmsr_attr_host_fw_numbers_queue, NULL); -static DEVICE_ATTR(host_fw_sdram_size, S_IRUGO, arcmsr_attr_host_fw_sdram_size, NULL); -static DEVICE_ATTR(host_fw_hd_channels, S_IRUGO, arcmsr_attr_host_fw_hd_channels, NULL); +static DEVICE_ATTR(host_driver_version, S_IRUGO, + arcmsr_attr_host_driver_version, NULL); +static DEVICE_ATTR(host_driver_posted_cmd, S_IRUGO, + arcmsr_attr_host_driver_posted_cmd, NULL); +static DEVICE_ATTR(host_driver_reset, S_IRUGO, + arcmsr_attr_host_driver_reset, NULL); +static DEVICE_ATTR(host_driver_abort, S_IRUGO, + arcmsr_attr_host_driver_abort, NULL); +static DEVICE_ATTR(host_fw_model, S_IRUGO, + arcmsr_attr_host_fw_model, NULL); +static DEVICE_ATTR(host_fw_version, S_IRUGO, + arcmsr_attr_host_fw_version, NULL); +static DEVICE_ATTR(host_fw_request_len, S_IRUGO, + arcmsr_attr_host_fw_request_len, NULL); +static DEVICE_ATTR(host_fw_numbers_queue, S_IRUGO, + arcmsr_attr_host_fw_numbers_queue, NULL); +static DEVICE_ATTR(host_fw_sdram_size, S_IRUGO, + arcmsr_attr_host_fw_sdram_size, NULL); +static DEVICE_ATTR(host_fw_hd_channels, S_IRUGO, + arcmsr_attr_host_fw_hd_channels, NULL); struct device_attribute *arcmsr_host_attrs[] = { &dev_attr_host_driver_version, diff -uprN a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h --- a/drivers/scsi/arcmsr/arcmsr.h 2012-12-04 19:09:42.471089955 +0800 +++ b/drivers/scsi/arcmsr/arcmsr.h 2012-12-04 19:12:25.991088366 +0800 @@ -45,42 +45,42 @@ #include struct device_attribute; /*The limit of outstanding scsi command that firmware can handle*/ -#define ARCMSR_MAX_OUTSTANDING_CMD 256 +#define ARCMSR_MAX_OUTSTANDING_CMD 256 #ifdef CONFIG_XEN #define ARCMSR_MAX_FREECCB_NUM 160 #else #define ARCMSR_MAX_FREECCB_NUM 320 #endif -#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.15 2010/08/05" -#define ARCMSR_SCSI_INITIATOR_ID 255 -#define ARCMSR_MAX_XFER_SECTORS 512 -#define ARCMSR_MAX_XFER_SECTORS_B 4096 -#define ARCMSR_MAX_XFER_SECTORS_C 304 -#define ARCMSR_MAX_TARGETID 17 -#define ARCMSR_MAX_TARGETLUN 8 -#define ARCMSR_MAX_CMD_PERLUN ARCMSR_MAX_OUTSTANDING_CMD -#define ARCMSR_MAX_QBUFFER 4096 -#define ARCMSR_DEFAULT_SG_ENTRIES 38 -#define ARCMSR_MAX_HBB_POSTQUEUE 264 -#define ARCMSR_MAX_XFER_LEN 0x26000 /* 152K */ -#define ARCMSR_CDB_SG_PAGE_LENGTH 256 +#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.15 2012/09/30" +#define ARCMSR_SCSI_INITIATOR_ID 255 +#define ARCMSR_MAX_XFER_SECTORS 512 +#define ARCMSR_MAX_XFER_SECTORS_B 4096 +#define ARCMSR_MAX_XFER_SECTORS_C 304 +#define ARCMSR_MAX_TARGETID 17 +#define ARCMSR_MAX_TARGETLUN 8 +#define ARCMSR_MAX_CMD_PERLUN ARCMSR_MAX_OUTSTANDING_CMD +#define ARCMSR_MAX_QBUFFER 4096 +#define ARCMSR_DEFAULT_SG_ENTRIES 38 +#define ARCMSR_MAX_HBB_POSTQUEUE 264 +#define ARCMSR_MAX_XFER_LEN 0x26000 +#define ARCMSR_CDB_SG_PAGE_LENGTH 256 #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 @@ -88,12 +88,12 @@ struct device_attribute; */ struct CMD_MESSAGE { - uint32_t HeaderLength; - uint8_t Signature[8]; - uint32_t Timeout; - uint32_t ControlCode; - uint32_t ReturnCode; - uint32_t Length; + uint32_t HeaderLength; + uint8_t Signature[8]; + uint32_t Timeout; + uint32_t ControlCode; + uint32_t ReturnCode; + uint32_t Length; }; /* ******************************************************************************* @@ -102,8 +102,8 @@ struct CMD_MESSAGE */ struct CMD_MESSAGE_FIELD { - struct CMD_MESSAGE cmdmessage; - uint8_t messagedatabuffer[1032]; + struct CMD_MESSAGE cmdmessage; + uint8_t messagedatabuffer[1032]; }; /* IOP message transfer */ #define ARCMSR_MESSAGE_FAIL 0x0001 @@ -111,57 +111,57 @@ struct CMD_MESSAGE_FIELD #define ARECA_SATA_RAID 0x90000000 /* FunctionCode */ #define FUNCTION_READ_RQBUFFER 0x0801 -#define FUNCTION_WRITE_WQBUFFER 0x0802 -#define FUNCTION_CLEAR_RQBUFFER 0x0803 -#define FUNCTION_CLEAR_WQBUFFER 0x0804 +#define FUNCTION_WRITE_WQBUFFER 0x0802 +#define FUNCTION_CLEAR_RQBUFFER 0x0803 +#define FUNCTION_CLEAR_WQBUFFER 0x0804 #define FUNCTION_CLEAR_ALLQBUFFER 0x0805 -#define FUNCTION_RETURN_CODE_3F 0x0806 +#define FUNCTION_RETURN_CODE_3F 0x0806 #define FUNCTION_SAY_HELLO 0x0807 #define FUNCTION_SAY_GOODBYE 0x0808 #define FUNCTION_FLUSH_ADAPTER_CACHE 0x0809 -#define FUNCTION_GET_FIRMWARE_STATUS 0x080A -#define FUNCTION_HARDWARE_RESET 0x080B +#define FUNCTION_GET_FIRMWARE_STATUS 0x080A +#define FUNCTION_HARDWARE_RESET 0x080B /* ARECA IO CONTROL CODE*/ -#define ARCMSR_MESSAGE_READ_RQBUFFER \ - ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER -#define ARCMSR_MESSAGE_WRITE_WQBUFFER \ - ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER -#define ARCMSR_MESSAGE_CLEAR_RQBUFFER \ - ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER -#define ARCMSR_MESSAGE_CLEAR_WQBUFFER \ - ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER -#define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER \ - ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER -#define ARCMSR_MESSAGE_RETURN_CODE_3F \ - ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F -#define ARCMSR_MESSAGE_SAY_HELLO \ - ARECA_SATA_RAID | FUNCTION_SAY_HELLO -#define ARCMSR_MESSAGE_SAY_GOODBYE \ - ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE -#define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \ - ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE +#define ARCMSR_MESSAGE_READ_RQBUFFER \ + (ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER) +#define ARCMSR_MESSAGE_WRITE_WQBUFFER \ + (ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER) +#define ARCMSR_MESSAGE_CLEAR_RQBUFFER \ + (ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER) +#define ARCMSR_MESSAGE_CLEAR_WQBUFFER \ + (ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER) +#define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER \ + (ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER) +#define ARCMSR_MESSAGE_RETURN_CODE_3F \ + (ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F) +#define ARCMSR_MESSAGE_SAY_HELLO \ + (ARECA_SATA_RAID | FUNCTION_SAY_HELLO) +#define ARCMSR_MESSAGE_SAY_GOODBYE \ + (ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE) +#define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \ + (ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE) /* ARECA IOCTL ReturnCode */ -#define ARCMSR_MESSAGE_RETURNCODE_OK 0x00000001 +#define ARCMSR_MESSAGE_RETURNCODE_OK 0x00000001 #define ARCMSR_MESSAGE_RETURNCODE_ERROR 0x00000006 -#define ARCMSR_MESSAGE_RETURNCODE_3F 0x0000003F +#define ARCMSR_MESSAGE_RETURNCODE_3F 0x0000003F #define ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON 0x00000088 /* ************************************************************* ** structure for holding DMA address data ************************************************************* */ -#define IS_DMA64 (sizeof(dma_addr_t) == 8) -#define IS_SG64_ADDR 0x01000000 /* bit24 */ +#define IS_DMA64 (sizeof(dma_addr_t) == 8) +#define IS_SG64_ADDR 0x01000000 /* bit24 */ struct SG32ENTRY { - __le32 length; - __le32 address; + __le32 length; + __le32 address; }__attribute__ ((packed)); struct SG64ENTRY { - __le32 length; - __le32 address; - __le32 addresshigh; + __le32 length; + __le32 address; + __le32 addresshigh; }__attribute__ ((packed)); /* ******************************************************************** @@ -170,8 +170,8 @@ struct SG64ENTRY */ struct QBUFFER { - uint32_t data_len; - uint8_t data[124]; + uint32_t data_len; + uint8_t data[124]; }; /* ******************************************************************************* @@ -180,50 +180,50 @@ struct QBUFFER */ struct FIRMWARE_INFO { - uint32_t signature; /*0, 00-03*/ - uint32_t request_len; /*1, 04-07*/ - uint32_t numbers_queue; /*2, 08-11*/ - uint32_t sdram_size; /*3, 12-15*/ - uint32_t ide_channels; /*4, 16-19*/ - char vendor[40]; /*5, 20-59*/ - char model[8]; /*15, 60-67*/ - char firmware_ver[16]; /*17, 68-83*/ - char device_map[16]; /*21, 84-99*/ - uint32_t cfgVersion; /*25,100-103 Added for checking of new firmware capability*/ - uint8_t cfgSerial[16]; /*26,104-119*/ - uint32_t cfgPicStatus; /*30,120-123*/ + uint32_t signature; /*0, 00-03*/ + uint32_t request_len; /*1, 04-07*/ + uint32_t numbers_queue; /*2, 08-11*/ + uint32_t sdram_size; /*3, 12-15*/ + uint32_t ide_channels; /*4, 16-19*/ + char vendor[40]; /*5, 20-59*/ + char model[8]; /*15, 60-67*/ + char firmware_ver[16]; /*17, 68-83*/ + char device_map[16]; /*21, 84-99*/ + uint32_t cfgVersion; /*25, 100-103*/ + uint8_t cfgSerial[16]; /*26, 104-119*/ + uint32_t cfgPicStatus; /*30, 120-123*/ }; /* signature of set and get firmware config */ -#define ARCMSR_SIGNATURE_GET_CONFIG 0x87974060 -#define ARCMSR_SIGNATURE_SET_CONFIG 0x87974063 +#define ARCMSR_SIGNATURE_GET_CONFIG 0x87974060 +#define ARCMSR_SIGNATURE_SET_CONFIG 0x87974063 /* message code of inbound message register */ -#define ARCMSR_INBOUND_MESG0_NOP 0x00000000 -#define ARCMSR_INBOUND_MESG0_GET_CONFIG 0x00000001 -#define ARCMSR_INBOUND_MESG0_SET_CONFIG 0x00000002 -#define ARCMSR_INBOUND_MESG0_ABORT_CMD 0x00000003 -#define ARCMSR_INBOUND_MESG0_STOP_BGRB 0x00000004 -#define ARCMSR_INBOUND_MESG0_FLUSH_CACHE 0x00000005 -#define ARCMSR_INBOUND_MESG0_START_BGRB 0x00000006 -#define ARCMSR_INBOUND_MESG0_CHK331PENDING 0x00000007 -#define ARCMSR_INBOUND_MESG0_SYNC_TIMER 0x00000008 +#define ARCMSR_INBOUND_MESG0_NOP 0x00000000 +#define ARCMSR_INBOUND_MESG0_GET_CONFIG 0x00000001 +#define ARCMSR_INBOUND_MESG0_SET_CONFIG 0x00000002 +#define ARCMSR_INBOUND_MESG0_ABORT_CMD 0x00000003 +#define ARCMSR_INBOUND_MESG0_STOP_BGRB 0x00000004 +#define ARCMSR_INBOUND_MESG0_FLUSH_CACHE 0x00000005 +#define ARCMSR_INBOUND_MESG0_START_BGRB 0x00000006 +#define ARCMSR_INBOUND_MESG0_CHK331PENDING 0x00000007 +#define ARCMSR_INBOUND_MESG0_SYNC_TIMER 0x00000008 /* doorbell interrupt generator */ -#define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK 0x00000001 -#define ARCMSR_INBOUND_DRIVER_DATA_READ_OK 0x00000002 -#define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK 0x00000001 -#define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK 0x00000002 +#define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK 0x00000001 +#define ARCMSR_INBOUND_DRIVER_DATA_READ_OK 0x00000002 +#define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK 0x00000001 +#define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK 0x00000002 /* ccb areca cdb flag */ -#define ARCMSR_CCBPOST_FLAG_SGL_BSIZE 0x80000000 -#define ARCMSR_CCBPOST_FLAG_IAM_BIOS 0x40000000 -#define ARCMSR_CCBREPLY_FLAG_IAM_BIOS 0x40000000 -#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0 0x10000000 -#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1 0x00000001 +#define ARCMSR_CCBPOST_FLAG_SGL_BSIZE 0x80000000 +#define ARCMSR_CCBPOST_FLAG_IAM_BIOS 0x40000000 +#define ARCMSR_CCBREPLY_FLAG_IAM_BIOS 0x40000000 +#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0 0x10000000 +#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1 0x00000001 /* outbound firmware ok */ -#define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK 0x80000000 +#define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK 0x80000000 /* ARC-1680 Bus Reset*/ -#define ARCMSR_ARC1680_BUS_RESET 0x00000003 +#define ARCMSR_ARC1680_BUS_RESET 0x00000003 /* ARC-1880 Bus Reset*/ -#define ARCMSR_ARC1880_RESET_ADAPTER 0x00000024 -#define ARCMSR_ARC1880_DiagWrite_ENABLE 0x00000080 +#define ARCMSR_ARC1880_RESET_ADAPTER 0x00000024 +#define ARCMSR_ARC1880_DiagWrite_ENABLE 0x00000080 /* ************************************************************************ @@ -232,98 +232,101 @@ struct FIRMWARE_INFO */ /* ARECA HBB COMMAND for its FIRMWARE */ /* window of "instruction flags" from driver to iop */ -#define ARCMSR_DRV2IOP_DOORBELL 0x00020400 -#define ARCMSR_DRV2IOP_DOORBELL_MASK 0x00020404 +#define ARCMSR_DRV2IOP_DOORBELL 0x00020400 +#define ARCMSR_DRV2IOP_DOORBELL_MASK 0x00020404 /* window of "instruction flags" from iop to driver */ -#define ARCMSR_IOP2DRV_DOORBELL 0x00020408 -#define ARCMSR_IOP2DRV_DOORBELL_MASK 0x0002040C +#define ARCMSR_IOP2DRV_DOORBELL 0x00020408 +#define ARCMSR_IOP2DRV_DOORBELL_MASK 0x0002040C /* ARECA FLAG LANGUAGE */ /* ioctl transfer */ -#define ARCMSR_IOP2DRV_DATA_WRITE_OK 0x00000001 +#define ARCMSR_IOP2DRV_DATA_WRITE_OK 0x00000001 /* ioctl transfer */ -#define ARCMSR_IOP2DRV_DATA_READ_OK 0x00000002 -#define ARCMSR_IOP2DRV_CDB_DONE 0x00000004 -#define ARCMSR_IOP2DRV_MESSAGE_CMD_DONE 0x00000008 +#define ARCMSR_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_DOORBELL_HANDLE_INT 0x0000000F +#define ARCMSR_DOORBELL_INT_CLEAR_PATTERN 0xFF00FFF0 +#define ARCMSR_MESSAGE_INT_CLEAR_PATTERN 0xFF00FFF7 /* (ARCMSR_INBOUND_MESG0_GET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */ -#define ARCMSR_MESSAGE_GET_CONFIG 0x00010008 +#define ARCMSR_MESSAGE_GET_CONFIG 0x00010008 /* (ARCMSR_INBOUND_MESG0_SET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */ -#define ARCMSR_MESSAGE_SET_CONFIG 0x00020008 +#define ARCMSR_MESSAGE_SET_CONFIG 0x00020008 /* (ARCMSR_INBOUND_MESG0_ABORT_CMD<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */ -#define ARCMSR_MESSAGE_ABORT_CMD 0x00030008 +#define ARCMSR_MESSAGE_ABORT_CMD 0x00030008 /* (ARCMSR_INBOUND_MESG0_STOP_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */ -#define ARCMSR_MESSAGE_STOP_BGRB 0x00040008 +#define ARCMSR_MESSAGE_STOP_BGRB 0x00040008 /* (ARCMSR_INBOUND_MESG0_FLUSH_CACHE<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */ -#define ARCMSR_MESSAGE_FLUSH_CACHE 0x00050008 +#define ARCMSR_MESSAGE_FLUSH_CACHE 0x00050008 /* (ARCMSR_INBOUND_MESG0_START_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */ -#define ARCMSR_MESSAGE_START_BGRB 0x00060008 -#define ARCMSR_MESSAGE_START_DRIVER_MODE 0x000E0008 -#define ARCMSR_MESSAGE_SET_POST_WINDOW 0x000F0008 -#define ARCMSR_MESSAGE_ACTIVE_EOI_MODE 0x00100008 +#define ARCMSR_MESSAGE_START_BGRB 0x00060008 +#define ARCMSR_MESSAGE_START_DRIVER_MODE 0x000E0008 +#define ARCMSR_MESSAGE_SET_POST_WINDOW 0x000F0008 +#define ARCMSR_MESSAGE_ACTIVE_EOI_MODE 0x00100008 /* ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK */ -#define ARCMSR_MESSAGE_FIRMWARE_OK 0x80000000 +#define ARCMSR_MESSAGE_FIRMWARE_OK 0x80000000 /* ioctl transfer */ -#define ARCMSR_DRV2IOP_DATA_WRITE_OK 0x00000001 +#define ARCMSR_DRV2IOP_DATA_WRITE_OK 0x00000001 /* ioctl transfer */ -#define ARCMSR_DRV2IOP_DATA_READ_OK 0x00000002 -#define ARCMSR_DRV2IOP_CDB_POSTED 0x00000004 -#define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED 0x00000008 -#define ARCMSR_DRV2IOP_END_OF_INTERRUPT 0x00000010 +#define ARCMSR_DRV2IOP_DATA_READ_OK 0x00000002 +#define ARCMSR_DRV2IOP_CDB_POSTED 0x00000004 +#define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED 0x00000008 +#define ARCMSR_DRV2IOP_END_OF_INTERRUPT 0x00000010 /* data tunnel buffer between user space program and its firmware */ /* user space data to iop 128bytes */ -#define ARCMSR_MESSAGE_WBUFFER 0x0000fe00 +#define ARCMSR_MESSAGE_WBUFFER 0x0000fe00 /* iop data to user space 128bytes */ -#define ARCMSR_MESSAGE_RBUFFER 0x0000ff00 +#define ARCMSR_MESSAGE_RBUFFER 0x0000ff00 /* iop message_rwbuffer for message command */ -#define ARCMSR_MESSAGE_RWBUFFER 0x0000fa00 +#define ARCMSR_MESSAGE_RWBUFFER 0x0000fa00 /* ************************************************************************ ** SPEC. for Areca HBC adapter ************************************************************************ */ -#define ARCMSR_HBC_ISR_THROTTLING_LEVEL 12 -#define ARCMSR_HBC_ISR_MAX_DONE_QUEUE 20 +#define ARCMSR_HBC_ISR_THROTTLING_LEVEL 12 +#define ARCMSR_HBC_ISR_MAX_DONE_QUEUE 20 /* Host Interrupt Mask */ -#define ARCMSR_HBCMU_UTILITY_A_ISR_MASK 0x00000001 /* When clear, the Utility_A interrupt routes to the host.*/ -#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK 0x00000004 /* When clear, the General Outbound Doorbell interrupt routes to the host.*/ -#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK 0x00000008 /* When clear, the Outbound Post List FIFO Not Empty interrupt routes to the host.*/ -#define ARCMSR_HBCMU_ALL_INTMASKENABLE 0x0000000D /* disable all ISR */ +#define ARCMSR_HBCMU_UTILITY_A_ISR_MASK 0x00000001 +#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK 0x00000004 +#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK 0x00000008 +#define ARCMSR_HBCMU_ALL_INTMASKENABLE 0x0000000D /* Host Interrupt Status */ #define ARCMSR_HBCMU_UTILITY_A_ISR 0x00000001 - /* - ** Set when the Utility_A Interrupt bit is set in the Outbound Doorbell Register. - ** It clears by writing a 1 to the Utility_A bit in the Outbound Doorbell Clear Register or through automatic clearing (if enabled). - */ +/* +** Set when the Utility_A Interrupt bit is set +** in the Outbound Doorbell Register. +** It clears by writing a 1 to the Utility_A +** bit in the Outbound Doorbell Clear Register +** or through automatic clearing (if enabled). +*/ #define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR 0x00000004 - /* - ** Set if Outbound Doorbell register bits 30:1 have a non-zero - ** value. This bit clears only when Outbound Doorbell bits - ** 30:1 are ALL clear. Only a write to the Outbound Doorbell - ** Clear register clears bits in the Outbound Doorbell register. - */ +/* +** Set if Outbound Doorbell register bits 30:1 have a non-zero +** value. This bit clears only when Outbound Doorbell bits +** 30:1 are ALL clear. Only a write to the Outbound Doorbell +** Clear register clears bits in the Outbound Doorbell register. +*/ #define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR 0x00000008 - /* - ** Set whenever the Outbound Post List Producer/Consumer - ** Register (FIFO) is not empty. It clears when the Outbound - ** Post List FIFO is empty. - */ +/* +** Set whenever the Outbound Post List Producer/Consumer +** Register (FIFO) is not empty. It clears when the Outbound +** Post List FIFO is empty. +*/ #define ARCMSR_HBCMU_SAS_ALL_INT 0x00000010 - /* - ** This bit indicates a SAS interrupt from a source external to - ** the PCIe core. This bit is not maskable. - */ - /* DoorBell*/ -#define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK 0x00000002 -#define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK 0x00000004 +/* +** This bit indicates a SAS interrupt from a source external to +** the PCIe core. This bit is not maskable. +*/ +/* DoorBell*/ +#define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK 0x00000002 +#define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK 0x00000004 /*inbound message 0 ready*/ -#define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE 0x00000008 +#define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE 0x00000008 /*more than 12 request completed in a time*/ -#define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING 0x00000010 -#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK 0x00000002 +#define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING 0x00000010 +#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK 0x00000002 /*outbound DATA WRITE isr door bell clear*/ #define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_DOORBELL_CLEAR 0x00000002 #define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK 0x00000004 @@ -342,35 +345,34 @@ 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 Context; - uint32_t DataLength; - uint8_t Cdb[16]; - uint8_t DeviceStatus; -#define ARCMSR_DEV_CHECK_CONDITION 0x02 -#define ARCMSR_DEV_SELECT_TIMEOUT 0xF0 -#define ARCMSR_DEV_ABORTED 0xF1 -#define ARCMSR_DEV_INIT_FAIL 0xF2 + uint8_t msgPages; + uint32_t Context; + uint32_t DataLength; + uint8_t Cdb[16]; + uint8_t DeviceStatus; +#define ARCMSR_DEV_CHECK_CONDITION 0x02 +#define ARCMSR_DEV_SELECT_TIMEOUT 0xF0 +#define ARCMSR_DEV_ABORTED 0xF1 +#define ARCMSR_DEV_INIT_FAIL 0xF2 - uint8_t SenseData[15]; - union - { - struct SG32ENTRY sg32entry[1]; - struct SG64ENTRY sg64entry[1]; + uint8_t SenseData[15]; + union { + struct SG32ENTRY sg32entry[1]; + struct SG64ENTRY sg64entry[1]; } u; }; /* @@ -380,118 +382,118 @@ struct ARCMSR_CDB */ struct MessageUnit_A { - uint32_t resrved0[4]; /*0000 000F*/ - uint32_t inbound_msgaddr0; /*0010 0013*/ - uint32_t inbound_msgaddr1; /*0014 0017*/ - uint32_t outbound_msgaddr0; /*0018 001B*/ - uint32_t outbound_msgaddr1; /*001C 001F*/ - uint32_t inbound_doorbell; /*0020 0023*/ - uint32_t inbound_intstatus; /*0024 0027*/ - uint32_t inbound_intmask; /*0028 002B*/ - uint32_t outbound_doorbell; /*002C 002F*/ - uint32_t outbound_intstatus; /*0030 0033*/ - uint32_t outbound_intmask; /*0034 0037*/ - uint32_t reserved1[2]; /*0038 003F*/ - uint32_t inbound_queueport; /*0040 0043*/ - uint32_t outbound_queueport; /*0044 0047*/ - uint32_t reserved2[2]; /*0048 004F*/ - uint32_t reserved3[492]; /*0050 07FF 492*/ - uint32_t reserved4[128]; /*0800 09FF 128*/ - uint32_t message_rwbuffer[256]; /*0a00 0DFF 256*/ - uint32_t message_wbuffer[32]; /*0E00 0E7F 32*/ - uint32_t reserved5[32]; /*0E80 0EFF 32*/ - uint32_t message_rbuffer[32]; /*0F00 0F7F 32*/ - uint32_t reserved6[32]; /*0F80 0FFF 32*/ + uint32_t resrved0[4]; /*0000 000F*/ + uint32_t inbound_msgaddr0; /*0010 0013*/ + uint32_t inbound_msgaddr1; /*0014 0017*/ + uint32_t outbound_msgaddr0; /*0018 001B*/ + uint32_t outbound_msgaddr1; /*001C 001F*/ + uint32_t inbound_doorbell; /*0020 0023*/ + uint32_t inbound_intstatus; /*0024 0027*/ + uint32_t inbound_intmask; /*0028 002B*/ + uint32_t outbound_doorbell; /*002C 002F*/ + uint32_t outbound_intstatus; /*0030 0033*/ + uint32_t outbound_intmask; /*0034 0037*/ + uint32_t reserved1[2]; /*0038 003F*/ + uint32_t inbound_queueport; /*0040 0043*/ + uint32_t outbound_queueport; /*0044 0047*/ + uint32_t reserved2[2]; /*0048 004F*/ + uint32_t reserved3[492]; /*0050 07FF 492*/ + uint32_t reserved4[128]; /*0800 09FF 128*/ + uint32_t message_rwbuffer[256]; /*0a00 0DFF 256*/ + uint32_t message_wbuffer[32]; /*0E00 0E7F 32*/ + uint32_t reserved5[32]; /*0E80 0EFF 32*/ + uint32_t message_rbuffer[32]; /*0F00 0F7F 32*/ + uint32_t reserved6[32]; /*0F80 0FFF 32*/ }; struct MessageUnit_B { - uint32_t post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE]; - uint32_t done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE]; - uint32_t postq_index; - uint32_t doneq_index; - uint32_t __iomem *drv2iop_doorbell; - uint32_t __iomem *drv2iop_doorbell_mask; - uint32_t __iomem *iop2drv_doorbell; - uint32_t __iomem *iop2drv_doorbell_mask; - uint32_t __iomem *message_rwbuffer; - uint32_t __iomem *message_wbuffer; - uint32_t __iomem *message_rbuffer; + uint32_t post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE]; + uint32_t done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE]; + uint32_t postq_index; + uint32_t doneq_index; + uint32_t __iomem *drv2iop_doorbell; + uint32_t __iomem *drv2iop_doorbell_mask; + uint32_t __iomem *iop2drv_doorbell; + uint32_t __iomem *iop2drv_doorbell_mask; + uint32_t __iomem *message_rwbuffer; + uint32_t __iomem *message_wbuffer; + uint32_t __iomem *message_rbuffer; }; /* ********************************************************************* ** LSI ********************************************************************* */ -struct MessageUnit_C{ - uint32_t message_unit_status; /*0000 0003*/ - uint32_t slave_error_attribute; /*0004 0007*/ - uint32_t slave_error_address; /*0008 000B*/ - uint32_t posted_outbound_doorbell; /*000C 000F*/ - uint32_t master_error_attribute; /*0010 0013*/ - uint32_t master_error_address_low; /*0014 0017*/ - uint32_t master_error_address_high; /*0018 001B*/ - uint32_t hcb_size; /*001C 001F*/ - uint32_t inbound_doorbell; /*0020 0023*/ - uint32_t diagnostic_rw_data; /*0024 0027*/ - uint32_t diagnostic_rw_address_low; /*0028 002B*/ - uint32_t diagnostic_rw_address_high; /*002C 002F*/ - uint32_t host_int_status; /*0030 0033*/ - uint32_t host_int_mask; /*0034 0037*/ - uint32_t dcr_data; /*0038 003B*/ - uint32_t dcr_address; /*003C 003F*/ - uint32_t inbound_queueport; /*0040 0043*/ - uint32_t outbound_queueport; /*0044 0047*/ - uint32_t hcb_pci_address_low; /*0048 004B*/ - uint32_t hcb_pci_address_high; /*004C 004F*/ - uint32_t iop_int_status; /*0050 0053*/ - uint32_t iop_int_mask; /*0054 0057*/ - uint32_t iop_inbound_queue_port; /*0058 005B*/ - uint32_t iop_outbound_queue_port; /*005C 005F*/ - uint32_t inbound_free_list_index; /*0060 0063*/ - uint32_t inbound_post_list_index; /*0064 0067*/ - uint32_t outbound_free_list_index; /*0068 006B*/ - uint32_t outbound_post_list_index; /*006C 006F*/ - uint32_t inbound_doorbell_clear; /*0070 0073*/ - uint32_t i2o_message_unit_control; /*0074 0077*/ - uint32_t last_used_message_source_address_low; /*0078 007B*/ - uint32_t last_used_message_source_address_high; /*007C 007F*/ - uint32_t pull_mode_data_byte_count[4]; /*0080 008F*/ - uint32_t message_dest_address_index; /*0090 0093*/ - uint32_t done_queue_not_empty_int_counter_timer; /*0094 0097*/ - uint32_t utility_A_int_counter_timer; /*0098 009B*/ - uint32_t outbound_doorbell; /*009C 009F*/ - uint32_t outbound_doorbell_clear; /*00A0 00A3*/ - uint32_t message_source_address_index; /*00A4 00A7*/ - uint32_t message_done_queue_index; /*00A8 00AB*/ - uint32_t reserved0; /*00AC 00AF*/ - uint32_t inbound_msgaddr0; /*00B0 00B3*/ - uint32_t inbound_msgaddr1; /*00B4 00B7*/ - uint32_t outbound_msgaddr0; /*00B8 00BB*/ - uint32_t outbound_msgaddr1; /*00BC 00BF*/ - uint32_t inbound_queueport_low; /*00C0 00C3*/ - uint32_t inbound_queueport_high; /*00C4 00C7*/ - uint32_t outbound_queueport_low; /*00C8 00CB*/ - uint32_t outbound_queueport_high; /*00CC 00CF*/ - uint32_t iop_inbound_queue_port_low; /*00D0 00D3*/ - uint32_t iop_inbound_queue_port_high; /*00D4 00D7*/ - uint32_t iop_outbound_queue_port_low; /*00D8 00DB*/ - uint32_t iop_outbound_queue_port_high; /*00DC 00DF*/ - uint32_t message_dest_queue_port_low; /*00E0 00E3*/ - uint32_t message_dest_queue_port_high; /*00E4 00E7*/ - uint32_t last_used_message_dest_address_low; /*00E8 00EB*/ - uint32_t last_used_message_dest_address_high; /*00EC 00EF*/ - uint32_t message_done_queue_base_address_low; /*00F0 00F3*/ - uint32_t message_done_queue_base_address_high; /*00F4 00F7*/ - uint32_t host_diagnostic; /*00F8 00FB*/ - uint32_t write_sequence; /*00FC 00FF*/ - uint32_t reserved1[34]; /*0100 0187*/ - uint32_t reserved2[1950]; /*0188 1FFF*/ - uint32_t message_wbuffer[32]; /*2000 207F*/ - uint32_t reserved3[32]; /*2080 20FF*/ - uint32_t message_rbuffer[32]; /*2100 217F*/ - uint32_t reserved4[32]; /*2180 21FF*/ - uint32_t msgcode_rwbuffer[256]; /*2200 23FF*/ +struct MessageUnit_C { + uint32_t message_unit_status; /*0000 0003*/ + uint32_t slave_error_attribute; /*0004 0007*/ + uint32_t slave_error_address; /*0008 000B*/ + uint32_t posted_outbound_doorbell; /*000C 000F*/ + uint32_t master_error_attribute; /*0010 0013*/ + uint32_t master_error_address_low; /*0014 0017*/ + uint32_t master_error_address_high; /*0018 001B*/ + uint32_t hcb_size; /*001C 001F*/ + uint32_t inbound_doorbell; /*0020 0023*/ + uint32_t diagnostic_rw_data; /*0024 0027*/ + uint32_t diagnostic_rw_address_low; /*0028 002B*/ + uint32_t diagnostic_rw_address_high; /*002C 002F*/ + uint32_t host_int_status; /*0030 0033*/ + uint32_t host_int_mask; /*0034 0037*/ + uint32_t dcr_data; /*0038 003B*/ + uint32_t dcr_address; /*003C 003F*/ + uint32_t inbound_queueport; /*0040 0043*/ + uint32_t outbound_queueport; /*0044 0047*/ + uint32_t hcb_pci_address_low; /*0048 004B*/ + uint32_t hcb_pci_address_high; /*004C 004F*/ + uint32_t iop_int_status; /*0050 0053*/ + uint32_t iop_int_mask; /*0054 0057*/ + uint32_t iop_inbound_queue_port; /*0058 005B*/ + uint32_t iop_outbound_queue_port; /*005C 005F*/ + uint32_t inbound_free_list_index; /*0060 0063*/ + uint32_t inbound_post_list_index; /*0064 0067*/ + uint32_t outbound_free_list_index; /*0068 006B*/ + uint32_t outbound_post_list_index; /*006C 006F*/ + uint32_t inbound_doorbell_clear; /*0070 0073*/ + uint32_t i2o_message_unit_control; /*0074 0077*/ + uint32_t last_used_message_source_address_low; /*0078 007B*/ + uint32_t last_used_message_source_address_high; /*007C 007F*/ + uint32_t pull_mode_data_byte_count[4]; /*0080 008F*/ + uint32_t message_dest_address_index; /*0090 0093*/ + uint32_t done_queue_not_empty_int_counter_timer; /*0094 0097*/ + uint32_t utility_A_int_counter_timer; /*0098 009B*/ + uint32_t outbound_doorbell; /*009C 009F*/ + uint32_t outbound_doorbell_clear; /*00A0 00A3*/ + uint32_t message_source_address_index; /*00A4 00A7*/ + uint32_t message_done_queue_index; /*00A8 00AB*/ + uint32_t reserved0; /*00AC 00AF*/ + uint32_t inbound_msgaddr0; /*00B0 00B3*/ + uint32_t inbound_msgaddr1; /*00B4 00B7*/ + uint32_t outbound_msgaddr0; /*00B8 00BB*/ + uint32_t outbound_msgaddr1; /*00BC 00BF*/ + uint32_t inbound_queueport_low; /*00C0 00C3*/ + uint32_t inbound_queueport_high; /*00C4 00C7*/ + uint32_t outbound_queueport_low; /*00C8 00CB*/ + uint32_t outbound_queueport_high; /*00CC 00CF*/ + uint32_t iop_inbound_queue_port_low; /*00D0 00D3*/ + uint32_t iop_inbound_queue_port_high; /*00D4 00D7*/ + uint32_t iop_outbound_queue_port_low; /*00D8 00DB*/ + uint32_t iop_outbound_queue_port_high; /*00DC 00DF*/ + uint32_t message_dest_queue_port_low; /*00E0 00E3*/ + uint32_t message_dest_queue_port_high; /*00E4 00E7*/ + uint32_t last_used_message_dest_address_low; /*00E8 00EB*/ + uint32_t last_used_message_dest_address_high; /*00EC 00EF*/ + uint32_t message_done_queue_base_address_low; /*00F0 00F3*/ + uint32_t message_done_queue_base_address_high; /*00F4 00F7*/ + uint32_t host_diagnostic; /*00F8 00FB*/ + uint32_t write_sequence; /*00FC 00FF*/ + uint32_t reserved1[34]; /*0100 0187*/ + uint32_t reserved2[1950]; /*0188 1FFF*/ + uint32_t message_wbuffer[32]; /*2000 207F*/ + uint32_t reserved3[32]; /*2080 20FF*/ + uint32_t message_rbuffer[32]; /*2100 217F*/ + uint32_t reserved4[32]; /*2180 21FF*/ + uint32_t msgcode_rwbuffer[256]; /*2200 23FF*/ }; /* ******************************************************************************* @@ -500,100 +502,100 @@ struct MessageUnit_C{ */ struct AdapterControlBlock { - uint32_t adapter_type; /* adapter A,B..... */ - #define ACB_ADAPTER_TYPE_A 0x00000001 /* hba I IOP */ - #define ACB_ADAPTER_TYPE_B 0x00000002 /* hbb M IOP */ - #define ACB_ADAPTER_TYPE_C 0x00000004 /* hbc P IOP */ - #define ACB_ADAPTER_TYPE_D 0x00000008 /* hbd A IOP */ - struct pci_dev * pdev; - struct Scsi_Host * host; - unsigned long vir2phy_offset; + uint32_t adapter_type; /* adapter A,B..... */ + #define ACB_ADAPTER_TYPE_A 0x00000001 /* hba I IOP */ + #define ACB_ADAPTER_TYPE_B 0x00000002 /* hbb M IOP */ + #define ACB_ADAPTER_TYPE_C 0x00000004 /* hbc P IOP */ + #define ACB_ADAPTER_TYPE_D 0x00000008 /* hbd A IOP */ + struct pci_dev *pdev; + struct Scsi_Host *host; + unsigned long vir2phy_offset; /* Offset is used in making arc cdb physical to virtual calculations */ - uint32_t outbound_int_enable; - uint32_t cdb_phyaddr_hi32; - uint32_t reg_mu_acc_handle0; - spinlock_t eh_lock; - spinlock_t ccblist_lock; + uint32_t outbound_int_enable; + uint32_t cdb_phyaddr_hi32; + uint32_t reg_mu_acc_handle0; + spinlock_t eh_lock; + spinlock_t ccblist_lock; union { struct MessageUnit_A __iomem *pmuA; - struct MessageUnit_B *pmuB; + 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 + uint32_t acb_flags; + u16 dev_id; + uint8_t adapter_index; + #define ACB_F_SCSISTOPADAPTER 0x0001 + #define ACB_F_MSG_STOP_BGRB 0x0002 /* stop RAID background rebuild */ - #define ACB_F_MSG_START_BGRB 0x0004 + #define ACB_F_MSG_START_BGRB 0x0004 /* stop RAID background rebuild */ - #define ACB_F_IOPDATA_OVERFLOW 0x0008 + #define ACB_F_IOPDATA_OVERFLOW 0x0008 /* iop message data rqbuffer overflow */ #define ACB_F_MESSAGE_WQBUFFER_CLEARED 0x0010 /* message clear wqbuffer */ - #define ACB_F_MESSAGE_RQBUFFER_CLEARED 0x0020 + #define ACB_F_MESSAGE_RQBUFFER_CLEARED 0x0020 /* message clear rqbuffer */ - #define ACB_F_MESSAGE_WQBUFFER_READED 0x0040 - #define ACB_F_BUS_RESET 0x0080 - #define ACB_F_BUS_HANG_ON 0x0800/* need hardware reset bus */ + #define ACB_F_MESSAGE_WQBUFFER_READED 0x0040 + #define ACB_F_BUS_RESET 0x0080 + #define ACB_F_BUS_HANG_ON 0x0800 - #define ACB_F_IOP_INITED 0x0100 + #define ACB_F_IOP_INITED 0x0100 /* iop init */ #define ACB_F_ABORT 0x0200 - #define ACB_F_FIRMWARE_TRAP 0x0400 - struct CommandControlBlock * pccb_pool[ARCMSR_MAX_FREECCB_NUM]; + #define ACB_F_FIRMWARE_TRAP 0x0400 + struct CommandControlBlock *pccb_pool[ARCMSR_MAX_FREECCB_NUM]; /* used for memory free */ - struct list_head ccb_free_list; + struct list_head ccb_free_list; /* head of free ccb list */ - atomic_t ccboutstandingcount; + atomic_t ccboutstandingcount; /*The present outstanding command number that in the IOP that waiting for being handled by FW*/ - void * dma_coherent; + void *dma_coherent; /* dma_coherent used for memory free */ - dma_addr_t dma_coherent_handle; + dma_addr_t dma_coherent_handle; /* dma_coherent_handle used for memory free */ - dma_addr_t dma_coherent_handle_hbb_mu; - unsigned int uncache_size; - uint8_t rqbuffer[ARCMSR_MAX_QBUFFER]; + dma_addr_t dma_coherent_handle_hbb_mu; + unsigned int uncache_size; + uint8_t rqbuffer[ARCMSR_MAX_QBUFFER]; /* data collection buffer for read from 80331 */ - int32_t rqbuf_firstindex; + int32_t rqbuf_firstindex; /* first of read buffer */ - int32_t rqbuf_lastindex; + int32_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; + int32_t wqbuf_firstindex; /* first of write buffer */ - int32_t wqbuf_lastindex; + int32_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; };/* HW_DEVICE_EXTENSION */ /* ******************************************************************************* @@ -601,33 +603,33 @@ struct AdapterControlBlock ** this CCB length must be 32 bytes boundary ******************************************************************************* */ -struct CommandControlBlock{ - /*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/ - struct list_head list; /*x32: 8byte, x64: 16byte*/ - struct scsi_cmnd *pcmd; /*8 bytes pointer of linux scsi command */ - struct AdapterControlBlock *acb; /*x32: 4byte, x64: 8byte*/ - uint32_t cdb_phyaddr_pattern; /*x32: 4byte, x64: 4byte*/ - uint32_t arc_cdb_size; /*x32:4byte,x64:4byte*/ - uint16_t ccb_flags; /*x32: 2byte, x64: 2byte*/ - #define CCB_FLAG_READ 0x0000 - #define CCB_FLAG_WRITE 0x0001 - #define CCB_FLAG_ERROR 0x0002 - #define CCB_FLAG_FLUSHCACHE 0x0004 - #define CCB_FLAG_MASTER_ABORTED 0x0008 - uint16_t startdone; /*x32:2byte,x32:2byte*/ - #define ARCMSR_CCB_DONE 0x0000 - #define ARCMSR_CCB_START 0x55AA - #define ARCMSR_CCB_ABORTED 0xAA55 - #define ARCMSR_CCB_ILLEGAL 0xFFFF +struct CommandControlBlock { +/*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/ + struct list_head list; + struct scsi_cmnd *pcmd; + struct AdapterControlBlock *acb; + uint32_t cdb_phyaddr_pattern; + uint32_t arc_cdb_size; + uint16_t ccb_flags; + #define CCB_FLAG_READ 0x0000 + #define CCB_FLAG_WRITE 0x0001 + #define CCB_FLAG_ERROR 0x0002 + #define CCB_FLAG_FLUSHCACHE 0x0004 + #define CCB_FLAG_MASTER_ABORTED 0x0008 + uint16_t startdone; + #define ARCMSR_CCB_DONE 0x0000 + #define ARCMSR_CCB_START 0x55AA + #define ARCMSR_CCB_ABORTED 0xAA55 + #define ARCMSR_CCB_ILLEGAL 0xFFFF #if BITS_PER_LONG == 64 /* ======================512+64 bytes======================== */ - uint32_t reserved[5]; /*24 byte*/ + uint32_t reserved[5]; /*24 byte*/ #else - /* ======================512+32 bytes======================== */ - uint32_t reserved; /*8 byte*/ + /*======================512+32 bytes========================*/ + uint32_t reserved; /*8 byte*/ #endif - /* ======================================================= */ - struct ARCMSR_CDB arcmsr_cdb; + /*=======================================================*/ + struct ARCMSR_CDB arcmsr_cdb; }; /* ******************************************************************************* @@ -636,53 +638,53 @@ struct CommandControlBlock{ */ struct SENSE_DATA { - uint8_t ErrorCode:7; + uint8_t ErrorCode:7; #define SCSI_SENSE_CURRENT_ERRORS 0x70 #define SCSI_SENSE_DEFERRED_ERRORS 0x71 - uint8_t Valid:1; - uint8_t SegmentNumber; - uint8_t SenseKey:4; - uint8_t Reserved:1; - uint8_t IncorrectLength:1; - uint8_t EndOfMedia:1; - uint8_t FileMark:1; - uint8_t Information[4]; - uint8_t AdditionalSenseLength; - uint8_t CommandSpecificInformation[4]; - uint8_t AdditionalSenseCode; - uint8_t AdditionalSenseCodeQualifier; - uint8_t FieldReplaceableUnitCode; - uint8_t SenseKeySpecific[3]; + uint8_t Valid:1; + uint8_t SegmentNumber; + uint8_t SenseKey:4; + uint8_t Reserved:1; + uint8_t IncorrectLength:1; + uint8_t EndOfMedia:1; + uint8_t FileMark:1; + uint8_t Information[4]; + uint8_t AdditionalSenseLength; + uint8_t CommandSpecificInformation[4]; + uint8_t AdditionalSenseCode; + uint8_t AdditionalSenseCodeQualifier; + uint8_t FieldReplaceableUnitCode; + uint8_t SenseKeySpecific[3]; }; /* ******************************************************************************* ** Outbound Interrupt Status Register - OISR ******************************************************************************* */ -#define ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG 0x30 -#define ARCMSR_MU_OUTBOUND_PCI_INT 0x10 -#define ARCMSR_MU_OUTBOUND_POSTQUEUE_INT 0x08 -#define ARCMSR_MU_OUTBOUND_DOORBELL_INT 0x04 -#define ARCMSR_MU_OUTBOUND_MESSAGE1_INT 0x02 -#define ARCMSR_MU_OUTBOUND_MESSAGE0_INT 0x01 -#define ARCMSR_MU_OUTBOUND_HANDLE_INT \ - (ARCMSR_MU_OUTBOUND_MESSAGE0_INT \ - |ARCMSR_MU_OUTBOUND_MESSAGE1_INT \ - |ARCMSR_MU_OUTBOUND_DOORBELL_INT \ - |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT \ - |ARCMSR_MU_OUTBOUND_PCI_INT) +#define ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG 0x30 +#define ARCMSR_MU_OUTBOUND_PCI_INT 0x10 +#define ARCMSR_MU_OUTBOUND_POSTQUEUE_INT 0x08 +#define ARCMSR_MU_OUTBOUND_DOORBELL_INT 0x04 +#define ARCMSR_MU_OUTBOUND_MESSAGE1_INT 0x02 +#define ARCMSR_MU_OUTBOUND_MESSAGE0_INT 0x01 +#define ARCMSR_MU_OUTBOUND_HANDLE_INT \ + (ARCMSR_MU_OUTBOUND_MESSAGE0_INT \ + |ARCMSR_MU_OUTBOUND_MESSAGE1_INT \ + |ARCMSR_MU_OUTBOUND_DOORBELL_INT \ + |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT \ + |ARCMSR_MU_OUTBOUND_PCI_INT) /* ******************************************************************************* ** Outbound Interrupt Mask Register - OIMR ******************************************************************************* */ -#define ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG 0x34 -#define ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE 0x10 -#define ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE 0x08 -#define ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE 0x04 -#define ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE 0x02 -#define ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE 0x01 -#define ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE 0x1F +#define ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG 0x34 +#define ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE 0x10 +#define ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE 0x08 +#define ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE 0x04 +#define ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE 0x02 +#define ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE 0x01 +#define ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE 0x1F extern void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *); extern void arcmsr_iop_message_read(struct AdapterControlBlock *); diff -uprN a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c --- a/drivers/scsi/arcmsr/arcmsr_hba.c 2012-12-04 19:09:42.471089955 +0800 +++ b/drivers/scsi/arcmsr/arcmsr_hba.c 2012-12-04 19:12:25.995088366 +0800 @@ -71,12 +71,12 @@ #include #include "arcmsr.h" MODULE_AUTHOR("Nick Cheng "); -MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx/1880) SATA/SAS RAID Host Bus Adapter"); +MODULE_DESCRIPTION("Areca SAS RAID Controller Driver"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_VERSION(ARCMSR_DRIVER_VERSION); -#define ARCMSR_SLEEPTIME 10 -#define ARCMSR_RETRYCOUNT 12 +#define ARCMSR_SLEEPTIME 10 +#define ARCMSR_RETRYCOUNT 12 wait_queue_head_t wait_q; static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, @@ -95,16 +95,16 @@ static void arcmsr_iop_init(struct Adapt static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb); static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb); static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb); -static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb); -static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb); +static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb); +static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb); static void arcmsr_request_device_map(unsigned long pacb); -static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb); -static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb); -static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb); +static void arcmsr_hbaA_request_device_map(struct AdapterControlBlock *acb); +static void arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb); +static void arcmsr_hbaC_request_device_map(struct AdapterControlBlock *acb); static void arcmsr_message_isr_bh_fn(struct work_struct *work); static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb); static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb); -static void arcmsr_hbc_message_isr(struct AdapterControlBlock *pACB); +static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *pACB); static void arcmsr_hardware_reset(struct AdapterControlBlock *acb); static const char *arcmsr_info(struct Scsi_Host *); static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb); @@ -172,14 +172,13 @@ static struct pci_driver arcmsr_pci_driv **************************************************************************** **************************************************************************** */ - static void arcmsr_free_hbb_mu(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: case ACB_ADAPTER_TYPE_C: break; - case ACB_ADAPTER_TYPE_B:{ + case ACB_ADAPTER_TYPE_B: { dma_free_coherent(&acb->pdev->dev, sizeof(struct MessageUnit_B), acb->pmuB, acb->dma_coherent_handle_hbb_mu); @@ -190,40 +189,50 @@ static void arcmsr_free_hbb_mu(struct Ad static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb) { struct pci_dev *pdev = acb->pdev; - switch (acb->adapter_type){ - case ACB_ADAPTER_TYPE_A:{ - acb->pmuA = ioremap(pci_resource_start(pdev,0), pci_resource_len(pdev,0)); + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + acb->pmuA = ioremap(pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); if (!acb->pmuA) { - printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + pr_notice("arcmsr%d: memory mapping " + "region fail\n", acb->host->host_no); return false; } break; } - case ACB_ADAPTER_TYPE_B:{ + case ACB_ADAPTER_TYPE_B: { void __iomem *mem_base0, *mem_base1; - mem_base0 = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); + mem_base0 = ioremap(pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); if (!mem_base0) { - printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + pr_notice("arcmsr%d: memory mapping " + "region fail\n", acb->host->host_no); return false; } - mem_base1 = ioremap(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2)); + mem_base1 = ioremap(pci_resource_start(pdev, 2), + pci_resource_len(pdev, 2)); if (!mem_base1) { iounmap(mem_base0); - printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + pr_notice("arcmsr%d: memory mapping " + "region fail\n", acb->host->host_no); return false; } acb->mem_base0 = mem_base0; acb->mem_base1 = mem_base1; break; } - case ACB_ADAPTER_TYPE_C:{ - acb->pmuC = ioremap_nocache(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1)); + case ACB_ADAPTER_TYPE_C: { + acb->pmuC = ioremap_nocache(pci_resource_start(pdev, 1), + pci_resource_len(pdev, 1)); if (!acb->pmuC) { - printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + pr_notice("arcmsr%d: memory mapping " + "region fail\n", acb->host->host_no); return false; } - if (readl(&acb->pmuC->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { - writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &acb->pmuC->outbound_doorbell_clear);/*clear interrupt*/ + if (readl(&acb->pmuC->outbound_doorbell) & + ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, + &acb->pmuC->outbound_doorbell_clear); return true; } break; @@ -235,17 +244,17 @@ 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:{ + case ACB_ADAPTER_TYPE_B: { iounmap(acb->mem_base0); iounmap(acb->mem_base1); } break; - case ACB_ADAPTER_TYPE_C:{ + case ACB_ADAPTER_TYPE_C: { iounmap(acb->pmuC); } } @@ -264,11 +273,12 @@ static int arcmsr_bios_param(struct scsi struct block_device *bdev, sector_t capacity, int *geom) { int ret, heads, sectors, cylinders, total_capacity; - unsigned char *buffer;/* return copy of block device's partition table */ + unsigned char *buffer; buffer = scsi_bios_ptable(bdev); if (buffer) { - ret = scsi_partsize(buffer, capacity, &geom[2], &geom[0], &geom[1]); + ret = scsi_partsize(buffer, capacity, &geom[2], &geom[0], + &geom[1]); kfree(buffer); if (ret != -1) return ret; @@ -288,7 +298,8 @@ static int arcmsr_bios_param(struct scsi return 0; } -static void arcmsr_define_adapter_type(struct AdapterControlBlock *acb) +static void +arcmsr_define_adapter_type(struct AdapterControlBlock *acb) { struct pci_dev *pdev = acb->pdev; u16 dev_id; @@ -308,7 +319,8 @@ static void arcmsr_define_adapter_type(s } } -static uint8_t arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock *acb) +static uint8_t +arcmsr_hbaA_wait_msgint_ready(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; int i; @@ -326,7 +338,8 @@ static uint8_t arcmsr_hba_wait_msgint_re return false; } -static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb) +static uint8_t +arcmsr_hbaB_wait_msgint_ready(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; int i; @@ -346,93 +359,103 @@ static uint8_t arcmsr_hbb_wait_msgint_re return false; } -static uint8_t arcmsr_hbc_wait_msgint_ready(struct AdapterControlBlock *pACB) +static uint8_t +arcmsr_hbaC_wait_msgint_ready(struct AdapterControlBlock *pACB) { struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC; int i; for (i = 0; i < 2000; i++) { if (readl(&phbcmu->outbound_doorbell) - & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, - &phbcmu->outbound_doorbell_clear); /*clear interrupt*/ + &phbcmu->outbound_doorbell_clear); return true; } msleep(10); - } /* max 20 seconds */ - + } return false; } -static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb) +static void +arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; int retry_count = 30; writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0); do { - if (arcmsr_hba_wait_msgint_ready(acb)) + if (arcmsr_hbaA_wait_msgint_ready(acb)) break; else { retry_count--; - printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ - timeout, retry count down = %d \n", acb->host->host_no, retry_count); + pr_notice("arcmsr%d: wait 'flush adapter " + "cache' timeout, retry count down = %d\n", + acb->host->host_no, retry_count); } } while (retry_count != 0); } -static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb) +static void +arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; int retry_count = 30; writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell); do { - if (arcmsr_hbb_wait_msgint_ready(acb)) + if (arcmsr_hbaB_wait_msgint_ready(acb)) break; else { retry_count--; - printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ - timeout,retry count down = %d \n", acb->host->host_no, retry_count); + pr_notice("arcmsr%d: wait 'flush adapter " + "cache' timeout, retry count down = %d\n", + acb->host->host_no, retry_count); } } while (retry_count != 0); } -static void arcmsr_flush_hbc_cache(struct AdapterControlBlock *pACB) +static void +arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB) { struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; int retry_count = 30;/* enlarge wait flush adapter cache time: 10 minute */ - writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0); - writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, + ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, + ®->inbound_doorbell); do { - if (arcmsr_hbc_wait_msgint_ready(pACB)) { + if (arcmsr_hbaC_wait_msgint_ready(pACB)) { break; } else { retry_count--; - printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ - timeout,retry count down = %d \n", pACB->host->host_no, retry_count); + pr_notice("arcmsr%d: wait 'flush adapter " + "cache' timeout, retry count down = %d\n", + pACB->host->host_no, retry_count); } } while (retry_count != 0); return; } -static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) +static void +arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { - arcmsr_flush_hba_cache(acb); + arcmsr_hbaA_flush_cache(acb); } break; case ACB_ADAPTER_TYPE_B: { - arcmsr_flush_hbb_cache(acb); + arcmsr_hbaB_flush_cache(acb); } break; case ACB_ADAPTER_TYPE_C: { - arcmsr_flush_hbc_cache(acb); + arcmsr_hbaC_flush_cache(acb); } } } -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; @@ -452,154 +475,192 @@ static int arcmsr_alloc_ccb_pool(struct 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 */ + 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->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; } acb->dma_coherent = dma_coherent; acb->dma_coherent_handle = dma_coherent_handle; memset(dma_coherent, 0, acb->uncache_size); ccb_tmp = dma_coherent; - acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle; - for(i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++){ - cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb); - ccb_tmp->cdb_phyaddr_pattern = ((acb->adapter_type == ACB_ADAPTER_TYPE_C) ? cdb_phyaddr : (cdb_phyaddr >> 5)); + acb->vir2phy_offset = (unsigned long)dma_coherent - + (unsigned long)dma_coherent_handle; + for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { + cdb_phyaddr = dma_coherent_handle + + offsetof(struct CommandControlBlock, + arcmsr_cdb); + ccb_tmp->cdb_phyaddr_pattern = + ((acb->adapter_type == ACB_ADAPTER_TYPE_C) + ? cdb_phyaddr : (cdb_phyaddr >> 5)); acb->pccb_pool[i] = ccb_tmp; ccb_tmp->acb = acb; INIT_LIST_HEAD(&ccb_tmp->list); list_add_tail(&ccb_tmp->list, &acb->ccb_free_list); - ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize); + ccb_tmp = (struct CommandControlBlock *) + ((unsigned long)ccb_tmp + roundup_ccbsize); dma_coherent_handle = dma_coherent_handle + roundup_ccbsize; } return 0; } -static void arcmsr_message_isr_bh_fn(struct work_struct *work) +static void +arcmsr_message_isr_bh_fn(struct work_struct *work) { - struct AdapterControlBlock *acb = container_of(work,struct AdapterControlBlock, arcmsr_do_message_isr_bh); + struct AdapterControlBlock *acb = container_of(work, + struct AdapterControlBlock, arcmsr_do_message_isr_bh); switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { - - struct MessageUnit_A __iomem *reg = acb->pmuA; - char *acb_dev_map = (char *)acb->device_map; - uint32_t __iomem *signature = (uint32_t __iomem*) (®->message_rwbuffer[0]); - char __iomem *devicemap = (char __iomem*) (®->message_rwbuffer[21]); - int target, lun; - struct scsi_device *psdev; - char diff; - - atomic_inc(&acb->rq_map_token); - if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) { - for(target = 0; target < ARCMSR_MAX_TARGETID -1; target++) { - diff = (*acb_dev_map)^readb(devicemap); - if (diff != 0) { - char temp; - *acb_dev_map = readb(devicemap); - temp =*acb_dev_map; - for(lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) { - if((temp & 0x01)==1 && (diff & 0x01) == 1) { - scsi_add_device(acb->host, 0, target, lun); - }else if((temp & 0x01) == 0 && (diff & 0x01) == 1) { - psdev = scsi_device_lookup(acb->host, 0, target, lun); - if (psdev != NULL ) { - scsi_remove_device(psdev); - scsi_device_put(psdev); - } - } - temp >>= 1; - diff >>= 1; + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = acb->pmuA; + char *acb_dev_map = (char *)acb->device_map; + uint32_t __iomem *signature = (uint32_t __iomem *) + (®->message_rwbuffer[0]); + char __iomem *devicemap = (char __iomem *) + (®->message_rwbuffer[21]); + int target, lun; + struct scsi_device *psdev; + char diff; + + atomic_inc(&acb->rq_map_token); + if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) { + for (target = 0; target < ARCMSR_MAX_TARGETID - 1; + target++) { + diff = (*acb_dev_map) ^ readb(devicemap); + if (diff != 0) { + char temp; + *acb_dev_map = readb(devicemap); + temp = *acb_dev_map; + for (lun = 0; lun < + ARCMSR_MAX_TARGETLUN; lun++) { + if ((temp & 0x01) == 1 && + (diff & 0x01) == 1) { + scsi_add_device(acb->host, + 0, target, lun); + } else if ((temp & 0x01) == 0 + && (diff & 0x01) == 1) { + psdev = + scsi_device_lookup(acb->host, + 0, target, lun); + if (psdev != NULL) { + scsi_remove_device(psdev); + scsi_device_put(psdev); } + } + temp >>= 1; + diff >>= 1; } - devicemap++; - acb_dev_map++; } + devicemap++; + acb_dev_map++; } - break; } + break; + } - case ACB_ADAPTER_TYPE_B: { - struct MessageUnit_B *reg = acb->pmuB; - char *acb_dev_map = (char *)acb->device_map; - uint32_t __iomem *signature = (uint32_t __iomem*)(®->message_rwbuffer[0]); - char __iomem *devicemap = (char __iomem*)(®->message_rwbuffer[21]); - int target, lun; - struct scsi_device *psdev; - char diff; - - atomic_inc(&acb->rq_map_token); - if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) { - for(target = 0; target < ARCMSR_MAX_TARGETID -1; target++) { - diff = (*acb_dev_map)^readb(devicemap); - if (diff != 0) { - char temp; - *acb_dev_map = readb(devicemap); - temp =*acb_dev_map; - for(lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) { - if((temp & 0x01)==1 && (diff & 0x01) == 1) { - scsi_add_device(acb->host, 0, target, lun); - }else if((temp & 0x01) == 0 && (diff & 0x01) == 1) { - psdev = scsi_device_lookup(acb->host, 0, target, lun); - if (psdev != NULL ) { - scsi_remove_device(psdev); - scsi_device_put(psdev); - } + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = acb->pmuB; + char *acb_dev_map = (char *)acb->device_map; + uint32_t __iomem *signature = + (uint32_t __iomem *)(®->message_rwbuffer[0]); + char __iomem *devicemap = + (char __iomem *)(®->message_rwbuffer[21]); + int target, lun; + struct scsi_device *psdev; + char diff; + + atomic_inc(&acb->rq_map_token); + if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) { + for (target = 0; target < + ARCMSR_MAX_TARGETID - 1; target++) { + diff = (*acb_dev_map) ^ readb(devicemap); + if (diff != 0) { + char temp; + *acb_dev_map = readb(devicemap); + temp = *acb_dev_map; + for (lun = 0; + lun < ARCMSR_MAX_TARGETLUN; + lun++) { + if ((temp & 0x01) == 1 && + (diff & 0x01) == 1) { + scsi_add_device(acb->host, + 0, target, lun); + } else if ((temp & 0x01) == 0 + && (diff & 0x01) == 1) { + psdev = scsi_device_lookup(acb->host, + 0, target, lun); + if (psdev != NULL) { + scsi_remove_device(psdev); + scsi_device_put(psdev); } - temp >>= 1; - diff >>= 1; } + temp >>= 1; + diff >>= 1; } - devicemap++; - acb_dev_map++; } + devicemap++; + acb_dev_map++; } } - break; - case ACB_ADAPTER_TYPE_C: { - struct MessageUnit_C *reg = acb->pmuC; - char *acb_dev_map = (char *)acb->device_map; - uint32_t __iomem *signature = (uint32_t __iomem *)(®->msgcode_rwbuffer[0]); - char __iomem *devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]); - int target, lun; - struct scsi_device *psdev; - char diff; - - atomic_inc(&acb->rq_map_token); - if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) { - for (target = 0; target < ARCMSR_MAX_TARGETID - 1; target++) { - diff = (*acb_dev_map)^readb(devicemap); - if (diff != 0) { - char temp; - *acb_dev_map = readb(devicemap); - temp = *acb_dev_map; - for (lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) { - if ((temp & 0x01) == 1 && (diff & 0x01) == 1) { - scsi_add_device(acb->host, 0, target, lun); - } else if ((temp & 0x01) == 0 && (diff & 0x01) == 1) { - psdev = scsi_device_lookup(acb->host, 0, target, lun); - if (psdev != NULL) { - scsi_remove_device(psdev); - scsi_device_put(psdev); - } + } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = acb->pmuC; + char *acb_dev_map = (char *)acb->device_map; + uint32_t __iomem *signature = + (uint32_t __iomem *)(®->msgcode_rwbuffer[0]); + char __iomem *devicemap = + (char __iomem *)(®->msgcode_rwbuffer[21]); + int target, lun; + struct scsi_device *psdev; + char diff; + + atomic_inc(&acb->rq_map_token); + if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) { + for (target = 0; target < + ARCMSR_MAX_TARGETID - 1; target++) { + diff = (*acb_dev_map) ^ readb(devicemap); + if (diff != 0) { + char temp; + *acb_dev_map = + readb(devicemap); + temp = *acb_dev_map; + for (lun = 0; lun < + ARCMSR_MAX_TARGETLUN; lun++) { + if ((temp & 0x01) == 1 && + (diff & 0x01) == 1) { + scsi_add_device(acb->host, + 0, target, lun); + } else if ((temp & 0x01) == 0 + && (diff & 0x01) == 1) { + psdev = scsi_device_lookup(acb->host, + 0, target, lun); + if (psdev != NULL) { + scsi_remove_device(psdev); + scsi_device_put(psdev); } - temp >>= 1; - diff >>= 1; } + temp >>= 1; + diff >>= 1; } - devicemap++; - acb_dev_map++; } + devicemap++; + acb_dev_map++; } } } + } } static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) @@ -609,17 +670,16 @@ static int arcmsr_probe(struct pci_dev * uint8_t bus,dev_fun; int error; error = pci_enable_device(pdev); - if(error){ + if (error) return -ENODEV; - } - host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof(struct AdapterControlBlock)); - if(!host){ + host = scsi_host_alloc(&arcmsr_scsi_host_template, + sizeof(struct AdapterControlBlock)); + if (!host) goto pci_disable_dev; - } error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); - if(error){ + if (error) { error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if(error){ + if (error) { printk(KERN_WARNING "scsi%d: No suitable DMA mask available\n", host->host_no); @@ -634,18 +694,17 @@ static int arcmsr_probe(struct pci_dev * acb->pdev = pdev; acb->host = host; host->max_lun = ARCMSR_MAX_TARGETLUN; - host->max_id = ARCMSR_MAX_TARGETID; /*16:8*/ - host->max_cmd_len = 16; /*this is issue of 64bit LBA ,over 2T byte*/ - host->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */ - host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN; + host->max_id = ARCMSR_MAX_TARGETID; + host->max_cmd_len = 16; + host->can_queue = ARCMSR_MAX_FREECCB_NUM; + host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN; host->this_id = ARCMSR_SCSI_INITIATOR_ID; host->unique_id = (bus << 8) | dev_fun; pci_set_drvdata(pdev, host); pci_set_master(pdev); error = pci_request_regions(pdev, "arcmsr"); - if(error){ + if (error) goto scsi_host_release; - } spin_lock_init(&acb->eh_lock); spin_lock_init(&acb->ccblist_lock); acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED | @@ -655,38 +714,37 @@ static int arcmsr_probe(struct pci_dev * INIT_LIST_HEAD(&acb->ccb_free_list); arcmsr_define_adapter_type(acb); error = arcmsr_remap_pciregion(acb); - if(!error){ + if (!error) goto pci_release_regs; - } error = arcmsr_get_firmware_spec(acb); - if(!error){ + if (!error) goto unmap_pci_region; - } error = arcmsr_alloc_ccb_pool(acb); - if(error){ + if (error) goto free_hbb_mu; - } arcmsr_iop_init(acb); error = scsi_add_host(host, &pdev->dev); - if(error){ + if (error) goto RAID_controller_stop; - } - error = request_irq(pdev->irq, arcmsr_do_interrupt, IRQF_SHARED, "arcmsr", acb); - if(error){ + error = request_irq(pdev->irq, arcmsr_do_interrupt, + IRQF_SHARED, "arcmsr", acb); + if (error) goto scsi_host_remove; - } host->irq = pdev->irq; scsi_scan_host(host); - INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn); + INIT_WORK(&acb->arcmsr_do_message_isr_bh, + arcmsr_message_isr_bh_fn); atomic_set(&acb->rq_map_token, 16); atomic_set(&acb->ante_token_value, 16); acb->fw_flag = FW_NORMAL; init_timer(&acb->eternal_timer); - acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ); + acb->eternal_timer.expires = jiffies + + msecs_to_jiffies(6 * HZ); acb->eternal_timer.data = (unsigned long) acb; - acb->eternal_timer.function = &arcmsr_request_device_map; + acb->eternal_timer.function = + &arcmsr_request_device_map; add_timer(&acb->eternal_timer); - if(arcmsr_alloc_sysfs_attr(acb)) + if (arcmsr_alloc_sysfs_attr(acb)) goto out_free_sysfs; return 0; out_free_sysfs: @@ -709,85 +767,95 @@ pci_disable_dev: return -ENODEV; } -static uint8_t arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb) +static uint8_t +arcmsr_hbaA_abort_allcmd(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; - writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0); - if (!arcmsr_hba_wait_msgint_ready(acb)) { - printk(KERN_NOTICE - "arcmsr%d: wait 'abort all outstanding command' timeout \n" - , acb->host->host_no); + writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, + ®->inbound_msgaddr0); + if (!arcmsr_hbaA_wait_msgint_ready(acb)) { + pr_notice("arcmsr%d: wait 'abort all outstanding " + "command' timeout\n" + , acb->host->host_no); return false; } return true; } -static uint8_t arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb) +static uint8_t +arcmsr_hbaB_abort_allcmd(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; - writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell); - if (!arcmsr_hbb_wait_msgint_ready(acb)) { - printk(KERN_NOTICE - "arcmsr%d: wait 'abort all outstanding command' timeout \n" - , acb->host->host_no); + writel(ARCMSR_MESSAGE_ABORT_CMD, + reg->drv2iop_doorbell); + if (!arcmsr_hbaB_wait_msgint_ready(acb)) { + pr_notice("arcmsr%d: wait 'abort all outstanding " + "command' timeout\n" + , acb->host->host_no); return false; } return true; } -static uint8_t arcmsr_abort_hbc_allcmd(struct AdapterControlBlock *pACB) +static uint8_t +arcmsr_hbaC_abort_allcmd(struct AdapterControlBlock *pACB) { struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0); writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); - if (!arcmsr_hbc_wait_msgint_ready(pACB)) { - printk(KERN_NOTICE - "arcmsr%d: wait 'abort all outstanding command' timeout \n" - , pACB->host->host_no); + if (!arcmsr_hbaC_wait_msgint_ready(pACB)) { + pr_notice("arcmsr%d: wait 'abort all outstanding " + "command' timeout\n" + , pACB->host->host_no); return false; } return true; } -static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb) +static uint8_t +arcmsr_abort_allcmd(struct AdapterControlBlock *acb) { uint8_t rtnval = 0; switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { - rtnval = arcmsr_abort_hba_allcmd(acb); + rtnval = arcmsr_hbaA_abort_allcmd(acb); } break; case ACB_ADAPTER_TYPE_B: { - rtnval = arcmsr_abort_hbb_allcmd(acb); + rtnval = arcmsr_hbaB_abort_allcmd(acb); } break; case ACB_ADAPTER_TYPE_C: { - rtnval = arcmsr_abort_hbc_allcmd(acb); + rtnval = arcmsr_hbaC_abort_allcmd(acb); } } return rtnval; } -static bool arcmsr_hbb_enable_driver_mode(struct AdapterControlBlock *pacb) +static bool +arcmsr_hbb_enable_driver_mode(struct AdapterControlBlock *pacb) { struct MessageUnit_B *reg = pacb->pmuB; - writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell); - if (!arcmsr_hbb_wait_msgint_ready(pacb)) { - printk(KERN_ERR "arcmsr%d: can't set driver mode. \n", pacb->host->host_no); + writel(ARCMSR_MESSAGE_START_DRIVER_MODE, + reg->drv2iop_doorbell); + if (!arcmsr_hbaB_wait_msgint_ready(pacb)) { + pr_err("arcmsr%d: can't set driver mode.\n", + pacb->host->host_no); return false; } return true; } -static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) +static void +arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) { struct scsi_cmnd *pcmd = ccb->pcmd; - scsi_dma_unmap(pcmd); } -static void arcmsr_ccb_complete(struct CommandControlBlock *ccb) +static void +arcmsr_ccb_complete(struct CommandControlBlock *ccb) { struct AdapterControlBlock *acb = ccb->acb; struct scsi_cmnd *pcmd = ccb->pcmd; @@ -801,32 +869,37 @@ 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; if (sensebuffer) { int sense_data_length = sizeof(struct SENSE_DATA) < SCSI_SENSE_BUFFERSIZE ? sizeof(struct SENSE_DATA) : SCSI_SENSE_BUFFERSIZE; memset(sensebuffer, 0, SCSI_SENSE_BUFFERSIZE); - memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length); + memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, + sense_data_length); sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS; sensebuffer->Valid = 1; } } -static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) +static u32 +arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) { u32 orig_mask = 0; switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A : { struct MessageUnit_A __iomem *reg = acb->pmuA; orig_mask = readl(®->outbound_intmask); - writel(orig_mask|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, \ - ®->outbound_intmask); + writel(orig_mask | + ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, + ®->outbound_intmask); } break; case ACB_ADAPTER_TYPE_B : { @@ -835,18 +908,21 @@ static u32 arcmsr_disable_outbound_ints( writel(0, reg->iop2drv_doorbell_mask); } break; - case ACB_ADAPTER_TYPE_C:{ - struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = + (struct MessageUnit_C *)acb->pmuC; /* disable all outbound interrupt */ - orig_mask = readl(®->host_int_mask); /* disable outbound message0 int */ - writel(orig_mask|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask); + orig_mask = readl(®->host_int_mask); + writel(orig_mask | ARCMSR_HBCMU_ALL_INTMASKENABLE, + ®->host_int_mask); } break; } return orig_mask; } -static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, +static void +arcmsr_report_ccb_state(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb, bool error) { uint8_t id, lun; @@ -857,7 +933,7 @@ static void arcmsr_report_ccb_state(stru acb->devstate[id][lun] = ARECA_RAID_GOOD; ccb->pcmd->result = DID_OK << 16; arcmsr_ccb_complete(ccb); - }else{ + } else { switch (ccb->arcmsr_cdb.DeviceStatus) { case ARCMSR_DEV_SELECT_TIMEOUT: { acb->devstate[id][lun] = ARECA_RAID_GONE; @@ -883,22 +959,24 @@ static void arcmsr_report_ccb_state(stru break; default: - printk(KERN_NOTICE - "arcmsr%d: scsi id = %d lun = %d isr get command error done, \ - but got unknown DeviceStatus = 0x%x \n" - , acb->host->host_no - , id - , lun - , ccb->arcmsr_cdb.DeviceStatus); - acb->devstate[id][lun] = ARECA_RAID_GONE; - ccb->pcmd->result = DID_NO_CONNECT << 16; - arcmsr_ccb_complete(ccb); + pr_notice("arcmsr%d: scsi id = %d lun = %d " + "isr get command error done, but got unknown " + "DeviceStatus = 0x%x\n" + , acb->host->host_no + , id + , lun + , ccb->arcmsr_cdb.DeviceStatus); + acb->devstate[id][lun] = ARECA_RAID_GONE; + ccb->pcmd->result = DID_NO_CONNECT << 16; + arcmsr_ccb_complete(ccb); break; } } } -static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct CommandControlBlock *pCCB, bool error) +static void +arcmsr_drain_donequeue(struct AdapterControlBlock *acb, +struct CommandControlBlock *pCCB, bool error) { int id, lun; if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) { @@ -906,30 +984,32 @@ static void arcmsr_drain_donequeue(struc struct scsi_cmnd *abortcmd = pCCB->pcmd; if (abortcmd) { id = abortcmd->device->id; - lun = abortcmd->device->lun; + 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", + pr_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)); + pr_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; } 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; @@ -943,13 +1023,16 @@ static void arcmsr_done4abort_postqueue( uint32_t outbound_intstatus; outbound_intstatus = readl(®->outbound_intstatus) & acb->outbound_int_enable; - /*clear and abort all outbound posted Q*/ - writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/ - while(((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) - && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { - pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/ - pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); - error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + writel(outbound_intstatus, ®->outbound_intstatus); + while (((flag_ccb = readl(®->outbound_queueport)) + != 0xFFFFFFFF) + && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { + pARCMSR_CDB = (struct ARCMSR_CDB *) + (acb->vir2phy_offset + (flag_ccb << 5)); + pCCB = container_of(pARCMSR_CDB, + struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? + true : false; arcmsr_drain_donequeue(acb, pCCB, error); } } @@ -957,14 +1040,18 @@ static void arcmsr_done4abort_postqueue( case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; - /*clear all outbound posted Q*/ - writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); /* clear doorbell interrupt */ + writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, + reg->iop2drv_doorbell); for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) { if ((flag_ccb = readl(®->done_qbuffer[i])) != 0) { writel(0, ®->done_qbuffer[i]); - pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/ - pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); - error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + pARCMSR_CDB = (struct ARCMSR_CDB *) + (acb->vir2phy_offset + (flag_ccb << 5)); + pCCB = container_of(pARCMSR_CDB, + struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & + ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? + true : false; arcmsr_drain_donequeue(acb, pCCB, error); } reg->post_qbuffer[i] = 0; @@ -979,27 +1066,34 @@ static void arcmsr_done4abort_postqueue( uint32_t flag_ccb, ccb_cdb_phy; bool error; struct CommandControlBlock *pCCB; - while ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { + while ((readl(®->host_int_status) & + ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) + && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { /*need to do*/ flag_ccb = readl(®->outbound_queueport_low); ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); - pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+ccb_cdb_phy);/*frame must be 32 bytes aligned*/ - pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); - error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; + pARCMSR_CDB = (struct ARCMSR_CDB *) + (acb->vir2phy_offset+ccb_cdb_phy); + pCCB = container_of(pARCMSR_CDB, + struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) + ? true : false; arcmsr_drain_donequeue(acb, pCCB, error); } } } } -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; arcmsr_free_sysfs_attr(acb); scsi_remove_host(host); - flush_work(&acb->arcmsr_do_message_isr_bh); + flush_work_sync(&acb->arcmsr_do_message_isr_bh); del_timer_sync(&acb->eternal_timer); arcmsr_disable_outbound_ints(acb); arcmsr_stop_adapter_bgrb(acb); @@ -1007,20 +1101,21 @@ static void arcmsr_remove(struct pci_dev acb->acb_flags |= ACB_F_SCSISTOPADAPTER; acb->acb_flags &= ~ACB_F_IOP_INITED; - for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++){ + for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; + poll_count++) { if (!atomic_read(&acb->ccboutstandingcount)) break; - arcmsr_interrupt(acb);/* FIXME: need spinlock */ + arcmsr_interrupt(acb); msleep(25); } if (atomic_read(&acb->ccboutstandingcount)) { int i; - arcmsr_abort_allcmd(acb); arcmsr_done4abort_postqueue(acb); for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { - struct CommandControlBlock *ccb = acb->pccb_pool[i]; + struct CommandControlBlock *ccb = + acb->pccb_pool[i]; if (ccb->startdone == ARCMSR_CCB_START) { ccb->startdone = ARCMSR_CCB_ABORTED; ccb->pcmd->result = DID_ABORT << 16; @@ -1038,14 +1133,15 @@ static void arcmsr_remove(struct pci_dev pci_set_drvdata(pdev, NULL); } -static void arcmsr_shutdown(struct pci_dev *pdev) +static void +arcmsr_shutdown(struct pci_dev *pdev) { struct Scsi_Host *host = pci_get_drvdata(pdev); struct AdapterControlBlock *acb = (struct AdapterControlBlock *)host->hostdata; del_timer_sync(&acb->eternal_timer); arcmsr_disable_outbound_ints(acb); - flush_work(&acb->arcmsr_do_message_isr_bh); + flush_work_sync(&acb->arcmsr_do_message_isr_bh); arcmsr_stop_adapter_bgrb(acb); arcmsr_flush_adapter_cache(acb); } @@ -1064,7 +1160,8 @@ static void arcmsr_module_exit(void) module_init(arcmsr_module_init); module_exit(arcmsr_module_exit); -static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, +static void +arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, u32 intmask_org) { u32 mask; @@ -1072,11 +1169,13 @@ static void arcmsr_enable_outbound_ints( case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; - mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE | - ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE| - ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE); + mask = intmask_org & + ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE | + ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE | + ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE); writel(mask, ®->outbound_intmask); - acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff; + acb->outbound_int_enable = ~(intmask_org & mask) & + 0x000000ff; } break; @@ -1087,22 +1186,28 @@ static void arcmsr_enable_outbound_ints( ARCMSR_IOP2DRV_CDB_DONE | ARCMSR_IOP2DRV_MESSAGE_CMD_DONE); writel(mask, reg->iop2drv_doorbell_mask); - acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f; + acb->outbound_int_enable = (intmask_org | mask) & + 0x0000000f; } break; case ACB_ADAPTER_TYPE_C: { struct MessageUnit_C *reg = acb->pmuC; - mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK|ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK); + mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK | + ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK | + ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK); writel(intmask_org & mask, ®->host_int_mask); - acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f; + acb->outbound_int_enable = ~(intmask_org & mask) & + 0x0000000f; } } } -static int arcmsr_build_ccb(struct AdapterControlBlock *acb, +static int +arcmsr_build_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb, struct scsi_cmnd *pcmd) { - struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; + struct ARCMSR_CDB *arcmsr_cdb = + (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; int8_t *psge = (int8_t *)&arcmsr_cdb->u; __le32 address_lo, address_hi; int arccdbsize = 0x30; @@ -1127,25 +1232,27 @@ static int arcmsr_build_ccb(struct Adapt address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sg))); address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sg))); if (address_hi == 0) { - struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge; - + struct SG32ENTRY *pdma_sg = + (struct SG32ENTRY *)psge; pdma_sg->address = address_lo; pdma_sg->length = length; psge += sizeof (struct SG32ENTRY); arccdbsize += sizeof (struct SG32ENTRY); } else { - struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge; - + struct SG64ENTRY *pdma_sg = + (struct SG64ENTRY *)psge; pdma_sg->addresshigh = address_hi; pdma_sg->address = address_lo; - pdma_sg->length = length|cpu_to_le32(IS_SG64_ADDR); + pdma_sg->length = length | + cpu_to_le32(IS_SG64_ADDR); psge += sizeof (struct SG64ENTRY); arccdbsize += sizeof (struct SG64ENTRY); } } arcmsr_cdb->sgcount = (uint8_t)nseg; arcmsr_cdb->DataLength = scsi_bufflen(pcmd); - arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0); + arcmsr_cdb->msgPages = arccdbsize / 0x100 + + (arccdbsize % 0x100 ? 1 : 0); if ( arccdbsize > 256) arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE; if (pcmd->sc_data_direction == DMA_TO_DEVICE) @@ -1154,10 +1261,13 @@ 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_pattern = ccb->cdb_phyaddr_pattern; - struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; + struct ARCMSR_CDB *arcmsr_cdb = + (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; atomic_inc(&acb->ccboutstandingcount); ccb->startdone = ARCMSR_CCB_START; switch (acb->adapter_type) { @@ -1165,10 +1275,12 @@ static void arcmsr_post_ccb(struct Adapt struct MessageUnit_A __iomem *reg = acb->pmuA; if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) - writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, + writel(cdb_phyaddr_pattern | + ARCMSR_CCBPOST_FLAG_SGL_BSIZE, ®->inbound_queueport); else { - writel(cdb_phyaddr_pattern, ®->inbound_queueport); + writel(cdb_phyaddr_pattern, + ®->inbound_queueport); } } break; @@ -1177,31 +1289,41 @@ static void arcmsr_post_ccb(struct Adapt struct MessageUnit_B *reg = acb->pmuB; uint32_t ending_index, index = reg->postq_index; - ending_index = ((index + 1) % ARCMSR_MAX_HBB_POSTQUEUE); + ending_index = ((index + 1) % + ARCMSR_MAX_HBB_POSTQUEUE); writel(0, ®->post_qbuffer[ending_index]); if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) { - writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\ - ®->post_qbuffer[index]); + writel(cdb_phyaddr_pattern | + ARCMSR_CCBPOST_FLAG_SGL_BSIZE, + ®->post_qbuffer[index]); } else { - writel(cdb_phyaddr_pattern, ®->post_qbuffer[index]); + writel(cdb_phyaddr_pattern, + ®->post_qbuffer[index]); } index++; - index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */ + index %= ARCMSR_MAX_HBB_POSTQUEUE; reg->postq_index = index; - writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell); + writel(ARCMSR_DRV2IOP_CDB_POSTED, + reg->drv2iop_doorbell); } break; case ACB_ADAPTER_TYPE_C: { - struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)acb->pmuC; + struct MessageUnit_C *phbcmu = + (struct MessageUnit_C *)acb->pmuC; uint32_t ccb_post_stamp, arc_cdb_size; - arc_cdb_size = (ccb->arc_cdb_size > 0x300) ? 0x300 : ccb->arc_cdb_size; - ccb_post_stamp = (cdb_phyaddr_pattern | ((arc_cdb_size - 1) >> 6) | 1); + arc_cdb_size = (ccb->arc_cdb_size > 0x300) + ? 0x300 : ccb->arc_cdb_size; + ccb_post_stamp = (cdb_phyaddr_pattern | + ((arc_cdb_size - 1) >> 6) | 1); if (acb->cdb_phyaddr_hi32) { - writel(acb->cdb_phyaddr_hi32, &phbcmu->inbound_queueport_high); - writel(ccb_post_stamp, &phbcmu->inbound_queueport_low); + writel(acb->cdb_phyaddr_hi32, + &phbcmu->inbound_queueport_high); + writel(ccb_post_stamp, + &phbcmu->inbound_queueport_low); } else { - writel(ccb_post_stamp, &phbcmu->inbound_queueport_low); + writel(ccb_post_stamp, + &phbcmu->inbound_queueport_low); } } } @@ -1212,40 +1334,45 @@ static void arcmsr_stop_hba_bgrb(struct struct MessageUnit_A __iomem *reg = acb->pmuA; acb->acb_flags &= ~ACB_F_MSG_START_BGRB; writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0); - if (!arcmsr_hba_wait_msgint_ready(acb)) { - printk(KERN_NOTICE - "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" - , acb->host->host_no); + if (!arcmsr_hbaA_wait_msgint_ready(acb)) { + pr_notice("arcmsr%d: wait 'stop adapter background " + "rebulid' timeout\n" + , acb->host->host_no); } } -static void arcmsr_stop_hbb_bgrb(struct AdapterControlBlock *acb) +static void +arcmsr_stop_hbb_bgrb(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; acb->acb_flags &= ~ACB_F_MSG_START_BGRB; writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell); - if (!arcmsr_hbb_wait_msgint_ready(acb)) { - printk(KERN_NOTICE - "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" - , acb->host->host_no); + if (!arcmsr_hbaB_wait_msgint_ready(acb)) { + pr_notice( + "arcmsr%d: wait 'stop adapter background " + "rebulid' timeout\n" + , acb->host->host_no); } } -static void arcmsr_stop_hbc_bgrb(struct AdapterControlBlock *pACB) +static void +arcmsr_stop_hbc_bgrb(struct AdapterControlBlock *pACB) { struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; pACB->acb_flags &= ~ACB_F_MSG_START_BGRB; writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0); - writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); - if (!arcmsr_hbc_wait_msgint_ready(pACB)) { - printk(KERN_NOTICE - "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" - , pACB->host->host_no); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, + ®->inbound_doorbell); + if (!arcmsr_hbaC_wait_msgint_ready(pACB)) { + pr_notice("arcmsr%d: wait 'stop adapter background " + "rebulid' timeout\n" + , pACB->host->host_no); } return; } -static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) +static void +arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { @@ -1263,33 +1390,40 @@ static void arcmsr_stop_adapter_bgrb(str } } -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); } -void arcmsr_iop_message_read(struct AdapterControlBlock *acb) +void +arcmsr_iop_message_read(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); + writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, + ®->inbound_doorbell); } break; case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; - writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell); + writel(ARCMSR_DRV2IOP_DATA_READ_OK, + reg->drv2iop_doorbell); } break; case ACB_ADAPTER_TYPE_C: { struct MessageUnit_C __iomem *reg = acb->pmuC; - writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); + writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, + ®->inbound_doorbell); } } } -static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb) +static void +arcmsr_iop_message_wrote(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { @@ -1298,7 +1432,8 @@ static void arcmsr_iop_message_wrote(str ** push inbound doorbell tell iop, driver data write ok ** and wait reply on next hwinterrupt for next Qbuffer post */ - writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK, ®->inbound_doorbell); + writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK, + ®->inbound_doorbell); } break; @@ -1308,7 +1443,8 @@ static void arcmsr_iop_message_wrote(str ** push inbound doorbell tell iop, driver data write ok ** and wait reply on next hwinterrupt for next Qbuffer post */ - writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell); + writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, + reg->drv2iop_doorbell); } break; case ACB_ADAPTER_TYPE_C: { @@ -1317,13 +1453,15 @@ static void arcmsr_iop_message_wrote(str ** push inbound doorbell tell iop, driver data write ok ** and wait reply on next hwinterrupt for next Qbuffer post */ - writel(ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK, ®->inbound_doorbell); + writel(ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK, + ®->inbound_doorbell); } break; } } -struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb) +struct QBUFFER __iomem +*arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb) { struct QBUFFER __iomem *qbuffer = NULL; switch (acb->adapter_type) { @@ -1340,21 +1478,23 @@ struct QBUFFER __iomem *arcmsr_get_iop_r } break; case ACB_ADAPTER_TYPE_C: { - struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)acb->pmuC; + struct MessageUnit_C *phbcmu = + (struct MessageUnit_C *)acb->pmuC; qbuffer = (struct QBUFFER __iomem *)&phbcmu->message_rbuffer; } } return qbuffer; } -static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb) +struct QBUFFER __iomem +*arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb) { struct QBUFFER __iomem *pqbuffer = NULL; switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; - pqbuffer = (struct QBUFFER __iomem *) ®->message_wbuffer; + pqbuffer = (struct QBUFFER __iomem *)®->message_wbuffer; } break; @@ -1367,12 +1507,12 @@ static struct QBUFFER __iomem *arcmsr_ge struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; pqbuffer = (struct QBUFFER __iomem *)®->message_wbuffer; } - } return pqbuffer; } -static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb) +void +arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb) { struct QBUFFER __iomem *prbuffer; struct QBUFFER *pQbuffer; @@ -1383,12 +1523,13 @@ static void arcmsr_iop2drv_data_wrote_ha prbuffer = arcmsr_get_iop_rqbuffer(acb); iop_data = (uint8_t __iomem *)prbuffer->data; iop_len = prbuffer->data_len; - my_empty_len = (rqbuf_firstindex - rqbuf_lastindex - 1) & (ARCMSR_MAX_QBUFFER - 1); + my_empty_len = (rqbuf_firstindex - rqbuf_lastindex - 1) & + (ARCMSR_MAX_QBUFFER - 1); - if (my_empty_len >= iop_len) - { + if (my_empty_len >= iop_len) { while (iop_len > 0) { - pQbuffer = (struct QBUFFER *)&acb->rqbuffer[rqbuf_lastindex]; + pQbuffer = (struct QBUFFER *) + &acb->rqbuffer[rqbuf_lastindex]; memcpy(pQbuffer, iop_data, 1); rqbuf_lastindex++; rqbuf_lastindex %= ARCMSR_MAX_QBUFFER; @@ -1397,14 +1538,13 @@ static void arcmsr_iop2drv_data_wrote_ha } acb->rqbuf_lastindex = rqbuf_lastindex; arcmsr_iop_message_read(acb); - } - - else { + } else { acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW; } } -static void arcmsr_iop2drv_data_read_handle(struct AdapterControlBlock *acb) +void +arcmsr_iop2drv_data_read_handle(struct AdapterControlBlock *acb) { acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_READED; if (acb->wqbuf_firstindex != acb->wqbuf_lastindex) { @@ -1417,8 +1557,8 @@ static void arcmsr_iop2drv_data_read_han pwbuffer = arcmsr_get_iop_wqbuffer(acb); iop_data = (uint8_t __iomem *)pwbuffer->data; - while ((acb->wqbuf_firstindex != acb->wqbuf_lastindex) && \ - (allxfer_len < 124)) { + while ((acb->wqbuf_firstindex != acb->wqbuf_lastindex) && + (allxfer_len < 124)) { pQbuffer = &acb->wqbuffer[acb->wqbuf_firstindex]; memcpy(iop_data, pQbuffer, 1); acb->wqbuf_firstindex++; @@ -1427,16 +1567,15 @@ static void arcmsr_iop2drv_data_read_han allxfer_len++; } pwbuffer->data_len = allxfer_len; - arcmsr_iop_message_wrote(acb); } - if (acb->wqbuf_firstindex == acb->wqbuf_lastindex) { acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_CLEARED; } } -static void arcmsr_hba_doorbell_isr(struct AdapterControlBlock *acb) +static void +arcmsr_hbaA_doorbell_isr(struct AdapterControlBlock *acb) { uint32_t outbound_doorbell; struct MessageUnit_A __iomem *reg = acb->pmuA; @@ -1450,19 +1589,13 @@ static void arcmsr_hba_doorbell_isr(stru arcmsr_iop2drv_data_read_handle(acb); } } -static void arcmsr_hbc_doorbell_isr(struct AdapterControlBlock *pACB) +static void +arcmsr_hbaC_doorbell_isr(struct AdapterControlBlock *pACB) { uint32_t outbound_doorbell; struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; - /* - ******************************************************************* - ** Maybe here we need to check wrqbuffer_lock is lock or not - ** DOORBELL: din! don! - ** check if there are any mail need to pack from firmware - ******************************************************************* - */ outbound_doorbell = readl(®->outbound_doorbell); - writel(outbound_doorbell, ®->outbound_doorbell_clear);/*clear interrupt*/ + writel(outbound_doorbell, ®->outbound_doorbell_clear); if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) { arcmsr_iop2drv_data_wrote_handle(pACB); } @@ -1470,11 +1603,12 @@ static void arcmsr_hbc_doorbell_isr(stru arcmsr_iop2drv_data_read_handle(pACB); } if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { - arcmsr_hbc_message_isr(pACB); /* messenger of "driver to iop commands" */ + arcmsr_hbaC_message_isr(pACB); } return; } -static void arcmsr_hba_postqueue_isr(struct AdapterControlBlock *acb) +static void +arcmsr_hbaA_postqueue_isr(struct AdapterControlBlock *acb) { uint32_t flag_ccb; struct MessageUnit_A __iomem *reg = acb->pmuA; @@ -1482,13 +1616,17 @@ static void arcmsr_hba_postqueue_isr(str struct CommandControlBlock *pCCB; bool error; while ((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) { - pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/ - pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); - error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + pARCMSR_CDB = (struct ARCMSR_CDB *) + (acb->vir2phy_offset + (flag_ccb << 5)); + pCCB = container_of(pARCMSR_CDB, + struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) + ? true : false; arcmsr_drain_donequeue(acb, pCCB, error); } } -static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb) +static void +arcmsr_hbaB_postqueue_isr(struct AdapterControlBlock *acb) { uint32_t index; uint32_t flag_ccb; @@ -1499,9 +1637,13 @@ static void arcmsr_hbb_postqueue_isr(str index = reg->doneq_index; while ((flag_ccb = readl(®->done_qbuffer[index])) != 0) { writel(0, ®->done_qbuffer[index]); - pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/ - pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); - error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + pARCMSR_CDB = (struct ARCMSR_CDB *) + (acb->vir2phy_offset + (flag_ccb << 5)); + pCCB = container_of(pARCMSR_CDB, + struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & + ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) + ? true : false; arcmsr_drain_donequeue(acb, pCCB, error); index++; index %= ARCMSR_MAX_HBB_POSTQUEUE; @@ -1509,7 +1651,8 @@ static void arcmsr_hbb_postqueue_isr(str } } -static void arcmsr_hbc_postqueue_isr(struct AdapterControlBlock *acb) +static void +arcmsr_hbaC_postqueue_isr(struct AdapterControlBlock *acb) { struct MessageUnit_C *phbcmu; struct ARCMSR_CDB *arcmsr_cdb; @@ -1522,38 +1665,34 @@ static void arcmsr_hbc_postqueue_isr(str /* Use correct offset and size for syncing */ while (readl(&phbcmu->host_int_status) & - ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR){ + ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) { /* check if command done with no error*/ flag_ccb = readl(&phbcmu->outbound_queueport_low); - ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);/*frame must be 32 bytes aligned*/ + ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy); ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; /* check if command done with no error */ arcmsr_drain_donequeue(acb, ccb, error); if (throttling == ARCMSR_HBC_ISR_THROTTLING_LEVEL) { - writel(ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING, &phbcmu->inbound_doorbell); + writel(ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING, + &phbcmu->inbound_doorbell); break; } throttling++; } } -/* -********************************************************************************** -** Handle a message interrupt -** -** The only message interrupt we expect is in response to a query for the current adapter config. -** We want this in order to compare the drivemap so that we can detect newly-attached drives. -********************************************************************************** -*/ -static void arcmsr_hba_message_isr(struct AdapterControlBlock *acb) + +static void +arcmsr_hbaA_message_isr(struct AdapterControlBlock *acb) { struct MessageUnit_A *reg = acb->pmuA; /*clear interrupt and message state*/ writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, ®->outbound_intstatus); schedule_work(&acb->arcmsr_do_message_isr_bh); } -static void arcmsr_hbb_message_isr(struct AdapterControlBlock *acb) +static void +arcmsr_hbaB_message_isr(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; @@ -1561,52 +1700,44 @@ static void arcmsr_hbb_message_isr(struc writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); schedule_work(&acb->arcmsr_do_message_isr_bh); } -/* -********************************************************************************** -** Handle a message interrupt -** -** The only message interrupt we expect is in response to a query for the -** current adapter config. -** We want this in order to compare the drivemap so that we can detect newly-attached drives. -********************************************************************************** -*/ -static void arcmsr_hbc_message_isr(struct AdapterControlBlock *acb) + +static void +arcmsr_hbaC_message_isr(struct AdapterControlBlock *acb) { struct MessageUnit_C *reg = acb->pmuC; /*clear interrupt and message state*/ - writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear); + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, + ®->outbound_doorbell_clear); schedule_work(&acb->arcmsr_do_message_isr_bh); } -static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb) +static int +arcmsr_hbaA_handle_isr(struct AdapterControlBlock *acb) { uint32_t outbound_intstatus; struct MessageUnit_A __iomem *reg = acb->pmuA; outbound_intstatus = readl(®->outbound_intstatus) & acb->outbound_int_enable; - if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) { + if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) { return 1; } writel(outbound_intstatus, ®->outbound_intstatus); - if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) { - arcmsr_hba_doorbell_isr(acb); - } - if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) { - arcmsr_hba_postqueue_isr(acb); - } - if(outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) { - /* messenger of "driver to iop commands" */ - arcmsr_hba_message_isr(acb); - } + if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) + arcmsr_hbaA_doorbell_isr(acb); + if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) + arcmsr_hbaA_postqueue_isr(acb); + if (outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) + arcmsr_hbaA_message_isr(acb); return 0; } -static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb) +static int +arcmsr_hbaB_handle_isr(struct AdapterControlBlock *acb) { uint32_t outbound_doorbell; struct MessageUnit_B *reg = acb->pmuB; outbound_doorbell = readl(reg->iop2drv_doorbell) & - acb->outbound_int_enable; + acb->outbound_int_enable; if (!outbound_doorbell) return 1; @@ -1614,7 +1745,8 @@ static int arcmsr_handle_hbb_isr(struct /*in case the last action of doorbell interrupt clearance is cached, this action can push HW to write down the clear bit*/ readl(reg->iop2drv_doorbell); - writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); + writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, + reg->drv2iop_doorbell); if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) { arcmsr_iop2drv_data_wrote_handle(acb); } @@ -1622,65 +1754,64 @@ static int arcmsr_handle_hbb_isr(struct arcmsr_iop2drv_data_read_handle(acb); } if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE) { - arcmsr_hbb_postqueue_isr(acb); + arcmsr_hbaB_postqueue_isr(acb); } - if(outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) { + if (outbound_doorbell & + ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) { /* messenger of "driver to iop commands" */ - arcmsr_hbb_message_isr(acb); + arcmsr_hbaB_message_isr(acb); } return 0; } -static int arcmsr_handle_hbc_isr(struct AdapterControlBlock *pACB) +static int +arcmsr_hbaC_handle_isr(struct AdapterControlBlock *pACB) { uint32_t host_interrupt_status; - struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC; - /* - ********************************************* - ** check outbound intstatus - ********************************************* - */ + struct MessageUnit_C *phbcmu = + (struct MessageUnit_C *)pACB->pmuC; host_interrupt_status = readl(&phbcmu->host_int_status); if (!host_interrupt_status) { /*it must be share irq*/ return 1; } /* MU ioctl transfer doorbell interrupts*/ - if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR) { - arcmsr_hbc_doorbell_isr(pACB); /* messenger of "ioctl message read write" */ + if (host_interrupt_status & + ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR) { + arcmsr_hbaC_doorbell_isr(pACB); } /* MU post queue interrupts*/ - if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) { - arcmsr_hbc_postqueue_isr(pACB); /* messenger of "scsi commands" */ + if (host_interrupt_status & + ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) { + arcmsr_hbaC_postqueue_isr(pACB); } return 0; } -static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) +static irqreturn_t +arcmsr_interrupt(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { - if (arcmsr_handle_hba_isr(acb)) { + if (arcmsr_hbaA_handle_isr(acb)) return IRQ_NONE; } - } break; case ACB_ADAPTER_TYPE_B: { - if (arcmsr_handle_hbb_isr(acb)) { + if (arcmsr_hbaB_handle_isr(acb)) return IRQ_NONE; } - } break; case ACB_ADAPTER_TYPE_C: { - if (arcmsr_handle_hbc_isr(acb)) { + if (arcmsr_hbaC_handle_isr(acb)) return IRQ_NONE; } - } } return IRQ_HANDLED; } -static void arcmsr_iop_parking(struct AdapterControlBlock *acb) +static void +arcmsr_iop_parking(struct AdapterControlBlock *acb) { if (acb) { /* stop adapter background rebuild */ @@ -1695,7 +1826,8 @@ static void arcmsr_iop_parking(struct Ad } } -void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb) +void +arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb) { int32_t wqbuf_firstindex, wqbuf_lastindex; uint8_t *pQbuffer; @@ -1708,7 +1840,8 @@ void arcmsr_post_ioctldata2iop(struct Ad acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED); wqbuf_firstindex = acb->wqbuf_firstindex; wqbuf_lastindex = acb->wqbuf_lastindex; - while ((wqbuf_firstindex != wqbuf_lastindex) && (allxfer_len < 124)) { + while ((wqbuf_firstindex != wqbuf_lastindex) + && (allxfer_len < 124)) { pQbuffer = &acb->wqbuffer[wqbuf_firstindex]; memcpy(iop_data, pQbuffer, 1); wqbuf_firstindex++; @@ -1722,20 +1855,20 @@ void arcmsr_post_ioctldata2iop(struct Ad } } -static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, +static int +arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd) { struct CMD_MESSAGE_FIELD *pcmdmessagefld; int retvalue = 0, transfer_len = 0; char *buffer; struct scatterlist *sg; - uint32_t controlcode = (uint32_t ) cmd->cmnd[5] << 24 | - (uint32_t ) cmd->cmnd[6] << 16 | - (uint32_t ) cmd->cmnd[7] << 8 | - (uint32_t ) cmd->cmnd[8]; - /* 4 bytes: Areca io control code */ + uint32_t controlcode = (uint32_t)cmd->cmnd[5] << 24 + |(uint32_t)cmd->cmnd[6] << 16 + |(uint32_t)cmd->cmnd[7] << 8 + | (uint32_t)cmd->cmnd[8]; sg = scsi_sglist(cmd); - buffer = kmap_atomic(sg_page(sg)) + sg->offset; + buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; if (scsi_sg_count(cmd) > 1) { retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; @@ -1746,8 +1879,8 @@ static int arcmsr_iop_message_xfer(struc retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; } - pcmdmessagefld = (struct CMD_MESSAGE_FIELD *) buffer; - switch(controlcode) { + pcmdmessagefld = (struct CMD_MESSAGE_FIELD *)buffer; + switch (controlcode) { case ARCMSR_MESSAGE_READ_RQBUFFER: { unsigned char *ver_addr; @@ -1759,7 +1892,6 @@ static int arcmsr_iop_message_xfer(struc retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; } - ptmpQbuffer = ver_addr; while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex) && (allxfer_len < 1031)) { @@ -1781,7 +1913,8 @@ static int arcmsr_iop_message_xfer(struc iop_data = prbuffer->data; iop_len = readl(&prbuffer->data_len); while (iop_len > 0) { - acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data); + acb->rqbuffer[acb->rqbuf_lastindex] = + readb(iop_data); acb->rqbuf_lastindex++; acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER; iop_data++; @@ -1789,12 +1922,15 @@ static int arcmsr_iop_message_xfer(struc } arcmsr_iop_message_read(acb); } - memcpy(pcmdmessagefld->messagedatabuffer, ver_addr, allxfer_len); + memcpy(pcmdmessagefld->messagedatabuffer, + ver_addr, allxfer_len); pcmdmessagefld->cmdmessage.Length = allxfer_len; - if(acb->fw_flag == FW_DEADLOCK) { - pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - }else{ - pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; + if (acb->fw_flag == FW_DEADLOCK) { + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; + } else { + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_OK; } kfree(ver_addr); } @@ -1802,7 +1938,8 @@ static int arcmsr_iop_message_xfer(struc case ARCMSR_MESSAGE_WRITE_WQBUFFER: { unsigned char *ver_addr; - int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex; + int32_t my_empty_len, user_len, wqbuf_firstindex, + wqbuf_lastindex; uint8_t *pQbuffer, *ptmpuserbuffer; ver_addr = kmalloc(1032, GFP_ATOMIC); @@ -1810,16 +1947,17 @@ static int arcmsr_iop_message_xfer(struc retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; } - if(acb->fw_flag == FW_DEADLOCK) { + if (acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - }else{ + } else { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; } ptmpuserbuffer = ver_addr; user_len = pcmdmessagefld->cmdmessage.Length; - memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len); + memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, + user_len); wqbuf_lastindex = acb->wqbuf_lastindex; wqbuf_firstindex = acb->wqbuf_firstindex; if (wqbuf_lastindex != wqbuf_firstindex) { @@ -1842,13 +1980,15 @@ static int arcmsr_iop_message_xfer(struc &acb->wqbuffer[acb->wqbuf_lastindex]; memcpy(pQbuffer, ptmpuserbuffer, 1); acb->wqbuf_lastindex++; - acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER; + acb->wqbuf_lastindex %= + ARCMSR_MAX_QBUFFER; ptmpuserbuffer++; user_len--; } - if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) { + if (acb->acb_flags & + ACB_F_MESSAGE_WQBUFFER_CLEARED) { acb->acb_flags &= - ~ACB_F_MESSAGE_WQBUFFER_CLEARED; + ~ACB_F_MESSAGE_WQBUFFER_CLEARED; arcmsr_post_ioctldata2iop(acb); } } else { @@ -1877,10 +2017,10 @@ static int arcmsr_iop_message_xfer(struc acb->rqbuf_firstindex = 0; acb->rqbuf_lastindex = 0; memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); - if(acb->fw_flag == FW_DEADLOCK) { + if (acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - }else{ + } else { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; } @@ -1889,10 +2029,10 @@ static int arcmsr_iop_message_xfer(struc case ARCMSR_MESSAGE_CLEAR_WQBUFFER: { uint8_t *pQbuffer = acb->wqbuffer; - if(acb->fw_flag == FW_DEADLOCK) { + if (acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - }else{ + } else { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; } @@ -1929,10 +2069,10 @@ static int arcmsr_iop_message_xfer(struc memset(pQbuffer, 0, sizeof(struct QBUFFER)); pQbuffer = acb->wqbuffer; memset(pQbuffer, 0, sizeof(struct QBUFFER)); - if(acb->fw_flag == FW_DEADLOCK) { + if (acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - }else{ + } else { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; } @@ -1940,10 +2080,10 @@ static int arcmsr_iop_message_xfer(struc break; case ARCMSR_MESSAGE_RETURN_CODE_3F: { - if(acb->fw_flag == FW_DEADLOCK) { + if (acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - }else{ + } else { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F; } @@ -1951,10 +2091,10 @@ static int arcmsr_iop_message_xfer(struc } case ARCMSR_MESSAGE_SAY_HELLO: { int8_t *hello_string = "Hello! I am ARCMSR"; - if(acb->fw_flag == FW_DEADLOCK) { + if (acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; - }else{ + } else { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; } @@ -1964,7 +2104,7 @@ static int arcmsr_iop_message_xfer(struc break; case ARCMSR_MESSAGE_SAY_GOODBYE: - if(acb->fw_flag == FW_DEADLOCK) { + if (acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; } @@ -1972,7 +2112,7 @@ static int arcmsr_iop_message_xfer(struc break; case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE: - if(acb->fw_flag == FW_DEADLOCK) { + if (acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; } @@ -1984,20 +2124,22 @@ static int arcmsr_iop_message_xfer(struc } message_out: sg = scsi_sglist(cmd); - kunmap_atomic(buffer - sg->offset); + kunmap_atomic(buffer - sg->offset, KM_IRQ0); return retvalue; } -static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock *acb) +struct CommandControlBlock +*arcmsr_get_freeccb(struct AdapterControlBlock *acb) { struct list_head *head = &acb->ccb_free_list; struct CommandControlBlock *ccb = NULL; unsigned long flags; spin_lock_irqsave(&acb->ccblist_lock, flags); if (!list_empty(head)) { - ccb = list_entry(head->next, struct CommandControlBlock, list); + ccb = list_entry(head->next, + struct CommandControlBlock, list); list_del_init(&ccb->list); - }else{ + } else { spin_unlock_irqrestore(&acb->ccblist_lock, flags); return 0; } @@ -2005,7 +2147,8 @@ static struct CommandControlBlock *arcms return ccb; } -static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb, +void +arcmsr_handle_virtual_command(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd) { switch (cmd->cmnd[0]) { @@ -2034,11 +2177,11 @@ static void arcmsr_handle_virtual_comman strncpy(&inqdata[32], "R001", 4); /* Product Revision */ sg = scsi_sglist(cmd); - buffer = kmap_atomic(sg_page(sg)) + sg->offset; + buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; memcpy(buffer, inqdata, sizeof(inqdata)); sg = scsi_sglist(cmd); - kunmap_atomic(buffer - sg->offset); + kunmap_atomic(buffer - sg->offset, KM_IRQ0); cmd->scsi_done(cmd); } @@ -2055,11 +2198,13 @@ static void arcmsr_handle_virtual_comman } } -static int arcmsr_queue_command_lck(struct scsi_cmnd *cmd, +static int +arcmsr_queue_command_lck(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) { struct Scsi_Host *host = cmd->device->host; - struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; + struct AdapterControlBlock *acb = + (struct AdapterControlBlock *)host->hostdata; struct CommandControlBlock *ccb; int target = cmd->device->id; int lun = cmd->device->lun; @@ -2067,8 +2212,10 @@ static int arcmsr_queue_command_lck(stru cmd->scsi_done = done; cmd->host_scribble = NULL; cmd->result = 0; - if ((scsicmd == SYNCHRONIZE_CACHE) ||(scsicmd == SEND_DIAGNOSTIC)){ - if(acb->devstate[target][lun] == ARECA_RAID_GONE) { + if ((scsicmd == SYNCHRONIZE_CACHE) || + (scsicmd == SEND_DIAGNOSTIC)) { + if (acb->devstate[target][lun] == + ARECA_RAID_GONE) { cmd->result = (DID_NO_CONNECT << 16); } cmd->scsi_done(cmd); @@ -2080,13 +2227,14 @@ static int arcmsr_queue_command_lck(stru return 0; } if (atomic_read(&acb->ccboutstandingcount) >= - ARCMSR_MAX_OUTSTANDING_CMD) + ARCMSR_MAX_OUTSTANDING_CMD) return SCSI_MLQUEUE_HOST_BUSY; ccb = arcmsr_get_freeccb(acb); if (!ccb) return SCSI_MLQUEUE_HOST_BUSY; if (arcmsr_build_ccb( acb, ccb, cmd ) == FAILED) { - cmd->result = (DID_ERROR << 16) | (RESERVATION_CONFLICT << 1); + cmd->result = (DID_ERROR << 16) | + (RESERVATION_CONFLICT << 1); cmd->scsi_done(cmd); return 0; } @@ -2096,24 +2244,30 @@ static int arcmsr_queue_command_lck(stru static DEF_SCSI_QCMD(arcmsr_queue_command) -static bool arcmsr_get_hba_config(struct AdapterControlBlock *acb) +static bool +arcmsr_hbaA_get_config(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; char *acb_firm_model = acb->firm_model; char *acb_firm_version = acb->firm_version; char *acb_device_map = acb->device_map; - char __iomem *iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]); - char __iomem *iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]); - char __iomem *iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); + char __iomem *iop_firm_model = + (char __iomem *)(®->message_rwbuffer[15]); + char __iomem *iop_firm_version = + (char __iomem *)(®->message_rwbuffer[17]); + char __iomem *iop_device_map = + (char __iomem *)(®->message_rwbuffer[21]); int count; - writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); - if (!arcmsr_hba_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ - miscellaneous data' timeout \n", acb->host->host_no); + writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, + ®->inbound_msgaddr0); + if (!arcmsr_hbaA_wait_msgint_ready(acb)) { + pr_notice("arcmsr%d: wait 'get adapter firmware " + "miscellaneous data' timeout\n", + acb->host->host_no); return false; } count = 8; - while (count){ + while (count) { *acb_firm_model = readb(iop_firm_model); acb_firm_model++; iop_firm_model++; @@ -2121,7 +2275,7 @@ static bool arcmsr_get_hba_config(struct } count = 16; - while (count){ + while (count) { *acb_firm_version = readb(iop_firm_version); acb_firm_version++; iop_firm_version++; @@ -2129,13 +2283,14 @@ static bool arcmsr_get_hba_config(struct } count=16; - while(count){ + while (count) { *acb_device_map = readb(iop_device_map); acb_device_map++; iop_device_map++; count--; } - printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n", + pr_notice("Areca RAID Controller%d: F/W %s " + "& Model %s\n", acb->host->host_no, acb->firm_version, acb->firm_model); @@ -2144,10 +2299,12 @@ static bool arcmsr_get_hba_config(struct acb->firm_numbers_queue = readl(®->message_rwbuffer[2]); acb->firm_sdram_size = readl(®->message_rwbuffer[3]); acb->firm_hd_channels = readl(®->message_rwbuffer[4]); - acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/ + acb->firm_cfg_version = readl(®->message_rwbuffer[25]); return true; } -static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb) + +static bool +arcmsr_hbaB_get_config(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; struct pci_dev *pdev = acb->pdev; @@ -2163,40 +2320,57 @@ static bool arcmsr_get_hbb_config(struct char __iomem *iop_device_map; /*firm_version,21,84-99*/ int count; - dma_coherent = dma_alloc_coherent(&pdev->dev, sizeof(struct MessageUnit_B), &dma_coherent_handle, GFP_KERNEL); - if (!dma_coherent){ - printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error for hbb mu\n", acb->host->host_no); + dma_coherent = dma_alloc_coherent(&pdev->dev, + sizeof(struct MessageUnit_B), &dma_coherent_handle, + GFP_KERNEL); + if (!dma_coherent) { + pr_notice("arcmsr%d: dma_alloc_coherent " + "got error for hbb mu\n", acb->host->host_no); return false; } acb->dma_coherent_handle_hbb_mu = dma_coherent_handle; reg = (struct MessageUnit_B *)dma_coherent; acb->pmuB = reg; - reg->drv2iop_doorbell= (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL); - reg->drv2iop_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL_MASK); - reg->iop2drv_doorbell = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL); - reg->iop2drv_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL_MASK); - reg->message_wbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_WBUFFER); - reg->message_rbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_RBUFFER); - reg->message_rwbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_RWBUFFER); - iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]); /*firm_model,15,60-67*/ - iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]); /*firm_version,17,68-83*/ - iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); /*firm_version,21,84-99*/ + reg->drv2iop_doorbell = (uint32_t __iomem *) + ((unsigned long)acb->mem_base0 + + ARCMSR_DRV2IOP_DOORBELL); + reg->drv2iop_doorbell_mask = (uint32_t __iomem *) + ((unsigned long)acb->mem_base0 + + ARCMSR_DRV2IOP_DOORBELL_MASK); + reg->iop2drv_doorbell = (uint32_t __iomem *) + ((unsigned long)acb->mem_base0 + + ARCMSR_IOP2DRV_DOORBELL); + reg->iop2drv_doorbell_mask = (uint32_t __iomem *) + ((unsigned long)acb->mem_base0 + + ARCMSR_IOP2DRV_DOORBELL_MASK); + reg->message_wbuffer = (uint32_t __iomem *) + ((unsigned long)acb->mem_base1 + + ARCMSR_MESSAGE_WBUFFER); + reg->message_rbuffer = (uint32_t __iomem *) + ((unsigned long)acb->mem_base1 + + ARCMSR_MESSAGE_RBUFFER); + reg->message_rwbuffer = (uint32_t __iomem *) + ((unsigned long)acb->mem_base1 + + ARCMSR_MESSAGE_RWBUFFER); + iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]); + iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]); + iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell); - if (!arcmsr_hbb_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ - miscellaneous data' timeout \n", acb->host->host_no); + if (!arcmsr_hbaB_wait_msgint_ready(acb)) { + pr_notice("arcmsr%d: wait 'get adapter firmware " + "miscellaneous data' timeout\n", acb->host->host_no); return false; } count = 8; - while (count){ + while (count) { *acb_firm_model = readb(iop_firm_model); acb_firm_model++; iop_firm_model++; count--; } count = 16; - while (count){ + while (count) { *acb_firm_version = readb(iop_firm_version); acb_firm_version++; iop_firm_version++; @@ -2204,14 +2378,15 @@ static bool arcmsr_get_hbb_config(struct } count = 16; - while(count){ + while (count) { *acb_device_map = readb(iop_device_map); acb_device_map++; iop_device_map++; count--; } - - printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n", + + pr_notice("Areca RAID Controller%d: " + "F/W %s & Model %s\n", acb->host->host_no, acb->firm_version, acb->firm_model); @@ -2226,41 +2401,45 @@ static bool arcmsr_get_hbb_config(struct /*firm_sdram_size,3,12-15*/ acb->firm_hd_channels = readl(®->message_rwbuffer[5]); /*firm_ide_channels,4,16-19*/ - acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/ + acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_ide_channels,4,16-19*/ return true; } -static bool arcmsr_get_hbc_config(struct AdapterControlBlock *pACB) +static bool +arcmsr_hbaC_get_config(struct AdapterControlBlock *pACB) { uint32_t intmask_org, Index, firmware_state = 0; struct MessageUnit_C *reg = pACB->pmuC; char *acb_firm_model = pACB->firm_model; char *acb_firm_version = pACB->firm_version; - char *iop_firm_model = (char *)(®->msgcode_rwbuffer[15]); /*firm_model,15,60-67*/ - char *iop_firm_version = (char *)(®->msgcode_rwbuffer[17]); /*firm_version,17,68-83*/ + char *iop_firm_model = (char *)(®->msgcode_rwbuffer[15]); + char *iop_firm_version = (char *)(®->msgcode_rwbuffer[17]); int count; /* disable all outbound interrupt */ - intmask_org = readl(®->host_int_mask); /* disable outbound message0 int */ - writel(intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask); - /* wait firmware ready */ + intmask_org = readl(®->host_int_mask); + writel(intmask_org | ARCMSR_HBCMU_ALL_INTMASKENABLE, + ®->host_int_mask); do { firmware_state = readl(®->outbound_msgaddr1); } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0); /* post "get config" instruction */ writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); - writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, + ®->inbound_doorbell); /* wait message ready */ for (Index = 0; Index < 2000; Index++) { - if (readl(®->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { - writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear);/*clear interrupt*/ + if (readl(®->outbound_doorbell) & + ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, + ®->outbound_doorbell_clear); break; } udelay(10); } /*max 1 seconds*/ if (Index >= 2000) { - printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ - miscellaneous data' timeout \n", pACB->host->host_no); + pr_notice("arcmsr%d: wait 'get adapter firmware " + "miscellaneous data' timeout\n", pACB->host->host_no); return false; } count = 8; @@ -2277,86 +2456,99 @@ static bool arcmsr_get_hbc_config(struct iop_firm_version++; count--; } - printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n", - pACB->host->host_no, - pACB->firm_version, - pACB->firm_model); - pACB->firm_request_len = readl(®->msgcode_rwbuffer[1]); /*firm_request_len,1,04-07*/ - pACB->firm_numbers_queue = readl(®->msgcode_rwbuffer[2]); /*firm_numbers_queue,2,08-11*/ - pACB->firm_sdram_size = readl(®->msgcode_rwbuffer[3]); /*firm_sdram_size,3,12-15*/ - pACB->firm_hd_channels = readl(®->msgcode_rwbuffer[4]); /*firm_ide_channels,4,16-19*/ - pACB->firm_cfg_version = readl(®->msgcode_rwbuffer[25]); /*firm_cfg_version,25,100-103*/ + pr_notice("Areca RAID Controller%d: F/W %s & " + "Model %s\n", + pACB->host->host_no, + pACB->firm_version, + pACB->firm_model); + pACB->firm_request_len = readl(®->msgcode_rwbuffer[1]); + pACB->firm_numbers_queue = readl(®->msgcode_rwbuffer[2]); + pACB->firm_sdram_size = readl(®->msgcode_rwbuffer[3]); + pACB->firm_hd_channels = readl(®->msgcode_rwbuffer[4]); + pACB->firm_cfg_version = readl(®->msgcode_rwbuffer[25]); /*all interrupt service will be enable at arcmsr_iop_init*/ return true; } -static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) + +static bool +arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) { if (acb->adapter_type == ACB_ADAPTER_TYPE_A) - return arcmsr_get_hba_config(acb); + return arcmsr_hbaA_get_config(acb); else if (acb->adapter_type == ACB_ADAPTER_TYPE_B) - return arcmsr_get_hbb_config(acb); + return arcmsr_hbaB_get_config(acb); else - return arcmsr_get_hbc_config(acb); + return arcmsr_hbaC_get_config(acb); } -static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, +static int +arcmsr_hbaA_polling_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { struct MessageUnit_A __iomem *reg = acb->pmuA; struct CommandControlBlock *ccb; struct ARCMSR_CDB *arcmsr_cdb; - uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0; + uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0; + uint32_t poll_count = 0; int rtn; bool error; polling_hba_ccb_retry: poll_count++; - outbound_intstatus = readl(®->outbound_intstatus) & acb->outbound_int_enable; - writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/ + outbound_intstatus = readl(®->outbound_intstatus) & + acb->outbound_int_enable; + writel(outbound_intstatus, ®->outbound_intstatus); while (1) { - if ((flag_ccb = readl(®->outbound_queueport)) == 0xFFFFFFFF) { - if (poll_ccb_done){ + flag_ccb = readl(®->outbound_queueport); + if (flag_ccb == 0xFFFFFFFF) { + if (poll_ccb_done) { rtn = SUCCESS; break; - }else { + } else { msleep(25); - if (poll_count > 100){ + if (poll_count > 100) { rtn = FAILED; break; } goto polling_hba_ccb_retry; } } - arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5)); - ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); + arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + + (flag_ccb << 5)); + ccb = container_of(arcmsr_cdb, struct CommandControlBlock, + arcmsr_cdb); poll_ccb_done = (ccb == poll_ccb) ? 1:0; if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { - if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) { - printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" - " poll command abort successfully \n" - , acb->host->host_no - , ccb->pcmd->device->id - , ccb->pcmd->device->lun - , ccb); + if ((ccb->startdone == ARCMSR_CCB_ABORTED) || + (ccb == poll_ccb)) { + pr_notice("arcmsr%d: scsi id = %d " + "lun = %d ccb = '0x%p' poll command " + "abort successfully\n" + , acb->host->host_no + , ccb->pcmd->device->id + , ccb->pcmd->device->lun + , ccb); ccb->pcmd->result = DID_ABORT << 16; arcmsr_ccb_complete(ccb); continue; } - printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" - " command done ccb = '0x%p'" - "ccboutstandingcount = %d \n" - , acb->host->host_no - , ccb - , atomic_read(&acb->ccboutstandingcount)); + pr_notice("arcmsr%d: polling get an illegal " + "ccb command done ccb = '0x%p' " + "ccboutstandingcount = %d\n" + , acb->host->host_no + , ccb + , atomic_read(&acb->ccboutstandingcount)); continue; } - error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? + true : false; arcmsr_report_ccb_state(acb, ccb, error); } return rtn; } -static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, - struct CommandControlBlock *poll_ccb) +int +arcmsr_hbaB_polling_ccbdone(struct AdapterControlBlock *acb, + struct CommandControlBlock *poll_ccb) { struct MessageUnit_B *reg = acb->pmuB; struct ARCMSR_CDB *arcmsr_cdb; @@ -2368,16 +2560,17 @@ static int arcmsr_polling_hbb_ccbdone(st poll_count++; /* clear doorbell interrupt */ - writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); - while(1){ + writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, + reg->iop2drv_doorbell); + while (1) { index = reg->doneq_index; if ((flag_ccb = readl(®->done_qbuffer[index])) == 0) { - if (poll_ccb_done){ + if (poll_ccb_done) { rtn = SUCCESS; break; - }else { + } else { msleep(25); - if (poll_count > 100){ + if (poll_count > 100) { rtn = FAILED; break; } @@ -2390,36 +2583,45 @@ static int arcmsr_polling_hbb_ccbdone(st index %= ARCMSR_MAX_HBB_POSTQUEUE; reg->doneq_index = index; /* check if command done with no error*/ - arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5)); - ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); - poll_ccb_done = (ccb == poll_ccb) ? 1:0; - if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { - if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) { - printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" - " poll command abort successfully \n" - ,acb->host->host_no - ,ccb->pcmd->device->id - ,ccb->pcmd->device->lun - ,ccb); + arcmsr_cdb = (struct ARCMSR_CDB *) + (acb->vir2phy_offset + (flag_ccb << 5)); + ccb = container_of(arcmsr_cdb, + struct CommandControlBlock, + arcmsr_cdb); + poll_ccb_done = (ccb == poll_ccb) ? 1 : 0; + if ((ccb->acb != acb) || + (ccb->startdone != ARCMSR_CCB_START)) { + if ((ccb->startdone == ARCMSR_CCB_ABORTED) || + (ccb == poll_ccb)) { + pr_notice("arcmsr%d: " + "scsi id = %d lun = %d ccb = '0x%p' poll " + "command abort successfully\n" + , acb->host->host_no + , ccb->pcmd->device->id + , ccb->pcmd->device->lun + , ccb); ccb->pcmd->result = DID_ABORT << 16; arcmsr_ccb_complete(ccb); continue; } - printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" - " command done ccb = '0x%p'" - "ccboutstandingcount = %d \n" + pr_notice("arcmsr%d: polling get an " + "illegal ccb command done ccb = '0x%p' " + "ccboutstandingcount = %d\n" , acb->host->host_no , ccb , atomic_read(&acb->ccboutstandingcount)); continue; } - error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) + ? true : false; arcmsr_report_ccb_state(acb, ccb, error); } return rtn; } -static int arcmsr_polling_hbc_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) +static int +arcmsr_hbaC_polling_ccbdone(struct AdapterControlBlock *acb, + struct CommandControlBlock *poll_ccb) { struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; uint32_t flag_ccb, ccb_cdb_phy; @@ -2431,7 +2633,8 @@ static int arcmsr_polling_hbc_ccbdone(st polling_hbc_ccb_retry: poll_count++; while (1) { - if ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) { + if ((readl(®->host_int_status) & + ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) { if (poll_ccb_done) { rtn = SUCCESS; break; @@ -2446,58 +2649,66 @@ polling_hbc_ccb_retry: } flag_ccb = readl(®->outbound_queueport_low); ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); - arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy);/*frame must be 32 bytes aligned*/ - pCCB = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); + arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + + ccb_cdb_phy); + pCCB = container_of(arcmsr_cdb, struct CommandControlBlock, + arcmsr_cdb); poll_ccb_done = (pCCB == poll_ccb) ? 1 : 0; /* check ifcommand done with no error*/ - if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) { + if ((pCCB->acb != acb) || + (pCCB->startdone != ARCMSR_CCB_START)) { if (pCCB->startdone == ARCMSR_CCB_ABORTED) { - printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" - " poll command abort successfully \n" - , acb->host->host_no - , pCCB->pcmd->device->id - , pCCB->pcmd->device->lun - , pCCB); - pCCB->pcmd->result = DID_ABORT << 16; - arcmsr_ccb_complete(pCCB); + pr_notice("arcmsr%d: " + "scsi id = %d lun = %d ccb = '0x%p' poll " + "command abort successfully\n" + , acb->host->host_no + , pCCB->pcmd->device->id + , pCCB->pcmd->device->lun + , pCCB); + pCCB->pcmd->result = DID_ABORT << 16; + arcmsr_ccb_complete(pCCB); continue; } - printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" - " command done ccb = '0x%p'" - "ccboutstandingcount = %d \n" - , acb->host->host_no - , pCCB - , atomic_read(&acb->ccboutstandingcount)); + pr_notice("arcmsr%d: polling get an illegal " + "ccb command done ccb = '0x%p' " + "ccboutstandingcount = %d\n" + , acb->host->host_no + , 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, + +static int +arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { int rtn = 0; switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { - rtn = arcmsr_polling_hba_ccbdone(acb, poll_ccb); + rtn = arcmsr_hbaA_polling_ccbdone(acb, poll_ccb); } break; case ACB_ADAPTER_TYPE_B: { - rtn = arcmsr_polling_hbb_ccbdone(acb, poll_ccb); + rtn = arcmsr_hbaB_polling_ccbdone(acb, poll_ccb); } break; case ACB_ADAPTER_TYPE_C: { - rtn = arcmsr_polling_hbc_ccbdone(acb, poll_ccb); + rtn = arcmsr_hbaC_polling_ccbdone(acb, poll_ccb); } } 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; dma_addr_t dma_coherent_handle; @@ -2523,14 +2734,14 @@ static int arcmsr_iop_confirm(struct Ada struct MessageUnit_A __iomem *reg = acb->pmuA; uint32_t intmask_org; intmask_org = arcmsr_disable_outbound_ints(acb); - writel(ARCMSR_SIGNATURE_SET_CONFIG, \ - ®->message_rwbuffer[0]); + writel(ARCMSR_SIGNATURE_SET_CONFIG, + ®->message_rwbuffer[0]); writel(cdb_phyaddr_hi32, ®->message_rwbuffer[1]); - writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \ - ®->inbound_msgaddr0); - if (!arcmsr_hba_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d: ""set ccb high \ - part physical address timeout\n", + writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, + ®->inbound_msgaddr0); + if (!arcmsr_hbaA_wait_msgint_ready(acb)) { + pr_notice("arcmsr%d: set ccb " + "high part physical address timeout\n", acb->host->host_no); return 1; } @@ -2548,10 +2759,11 @@ static int arcmsr_iop_confirm(struct Ada intmask_org = arcmsr_disable_outbound_ints(acb); reg->postq_index = 0; reg->doneq_index = 0; - writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell); - if (!arcmsr_hbb_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d:can not set diver mode\n", \ - acb->host->host_no); + writel(ARCMSR_MESSAGE_SET_POST_WINDOW, + reg->drv2iop_doorbell); + if (!arcmsr_hbaB_wait_msgint_ready(acb)) { + pr_notice("arcmsr%d: can not set diver mode\n", + acb->host->host_no); return 1; } post_queue_phyaddr = acb->dma_coherent_handle_hbb_mu; @@ -2566,11 +2778,10 @@ static int arcmsr_iop_confirm(struct Ada writel(post_queue_phyaddr + 1056, rwbuffer++); /* ccb maxQ size must be --> [(256 + 8)*4]*/ writel(1056, rwbuffer); - writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell); - if (!arcmsr_hbb_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ - timeout \n",acb->host->host_no); + if (!arcmsr_hbaB_wait_msgint_ready(acb)) { + pr_notice("arcmsr%d: 'set command Q window' " + "timeout\n", acb->host->host_no); return 1; } arcmsr_hbb_enable_driver_mode(acb); @@ -2579,17 +2790,22 @@ static int arcmsr_iop_confirm(struct Ada break; case ACB_ADAPTER_TYPE_C: { if (cdb_phyaddr_hi32 != 0) { - struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; - - printk(KERN_NOTICE "arcmsr%d: cdb_phyaddr_hi32=0x%x\n", - acb->adapter_index, cdb_phyaddr_hi32); - writel(ARCMSR_SIGNATURE_SET_CONFIG, ®->msgcode_rwbuffer[0]); - writel(cdb_phyaddr_hi32, ®->msgcode_rwbuffer[1]); - writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, ®->inbound_msgaddr0); - writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); - if (!arcmsr_hbc_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ - timeout \n", acb->host->host_no); + struct MessageUnit_C *reg = + (struct MessageUnit_C *)acb->pmuC; + pr_notice("arcmsr%d: cdb_phyaddr_hi32 = 0x%x\n", + acb->adapter_index, cdb_phyaddr_hi32); + writel(ARCMSR_SIGNATURE_SET_CONFIG, + ®->msgcode_rwbuffer[0]); + writel(cdb_phyaddr_hi32, + ®->msgcode_rwbuffer[1]); + writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, + ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, + ®->inbound_doorbell); + if (!arcmsr_hbaC_wait_msgint_ready(acb)) { + pr_notice("arcmsr%d: 'set " + "command Q window' timeout\n", + acb->host->host_no); return 1; } } @@ -2598,7 +2814,8 @@ static int arcmsr_iop_confirm(struct Ada return 0; } -static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) +static void +arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) { uint32_t firmware_state = 0; switch (acb->adapter_type) { @@ -2607,161 +2824,203 @@ static void arcmsr_wait_firmware_ready(s struct MessageUnit_A __iomem *reg = acb->pmuA; do { firmware_state = readl(®->outbound_msgaddr1); - } while ((firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0); + } while ((firmware_state & + ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0); } break; - case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; do { firmware_state = readl(reg->iop2drv_doorbell); } while ((firmware_state & ARCMSR_MESSAGE_FIRMWARE_OK) == 0); - writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); + writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, + reg->drv2iop_doorbell); } break; case ACB_ADAPTER_TYPE_C: { struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; do { firmware_state = readl(®->outbound_msgaddr1); - } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0); + } while ((firmware_state & + ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0); } } } -static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb) +static void +arcmsr_hbaA_request_device_map(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; - if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){ - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + if (unlikely(atomic_read(&acb->rq_map_token) == 0) || + ((acb->acb_flags & ACB_F_BUS_RESET) != 0) + || ((acb->acb_flags & ACB_F_ABORT) != 0)) { + mod_timer(&acb->eternal_timer, + jiffies + msecs_to_jiffies(6 * HZ)); return; } else { acb->fw_flag = FW_NORMAL; - if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)){ + if (atomic_read(&acb->ante_token_value) == + atomic_read(&acb->rq_map_token)) { atomic_set(&acb->rq_map_token, 16); } - atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); + atomic_set(&acb->ante_token_value, + atomic_read(&acb->rq_map_token)); if (atomic_dec_and_test(&acb->rq_map_token)) { - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + mod_timer(&acb->eternal_timer, + jiffies + msecs_to_jiffies(6 * HZ)); return; } - writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, + ®->inbound_msgaddr0); + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); } return; } -static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb) +static void +arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb) { struct MessageUnit_B __iomem *reg = acb->pmuB; - if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){ - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + if (unlikely(atomic_read(&acb->rq_map_token) == 0) || + ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || + ((acb->acb_flags & ACB_F_ABORT) != 0)) { + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); return; } else { acb->fw_flag = FW_NORMAL; - if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) { + if (atomic_read(&acb->ante_token_value) == + atomic_read(&acb->rq_map_token)) { atomic_set(&acb->rq_map_token, 16); } - atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); + atomic_set(&acb->ante_token_value, + atomic_read(&acb->rq_map_token)); if (atomic_dec_and_test(&acb->rq_map_token)) { - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + mod_timer(&acb->eternal_timer, + jiffies + msecs_to_jiffies(6 * HZ)); return; } - writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell); - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + writel(ARCMSR_MESSAGE_GET_CONFIG, + reg->drv2iop_doorbell); + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); } return; } -static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb) +static void +arcmsr_hbaC_request_device_map(struct AdapterControlBlock *acb) { struct MessageUnit_C __iomem *reg = acb->pmuC; - if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) { - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + if (unlikely(atomic_read(&acb->rq_map_token) == 0) || + ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || + ((acb->acb_flags & ACB_F_ABORT) != 0)) { + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); return; } else { acb->fw_flag = FW_NORMAL; - if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) { + if (atomic_read(&acb->ante_token_value) == + atomic_read(&acb->rq_map_token)) { atomic_set(&acb->rq_map_token, 16); } - atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); + atomic_set(&acb->ante_token_value, + atomic_read(&acb->rq_map_token)); if (atomic_dec_and_test(&acb->rq_map_token)) { - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + mod_timer(&acb->eternal_timer, + jiffies + msecs_to_jiffies(6 * HZ)); return; } - writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); - writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, + ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, + ®->inbound_doorbell); + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); } return; } -static void arcmsr_request_device_map(unsigned long pacb) +static void +arcmsr_request_device_map(unsigned long pacb) { - struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb; + struct AdapterControlBlock *acb = + (struct AdapterControlBlock *)pacb; switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { - arcmsr_request_hba_device_map(acb); - } - break; - case ACB_ADAPTER_TYPE_B: { - arcmsr_request_hbb_device_map(acb); - } - break; - case ACB_ADAPTER_TYPE_C: { - arcmsr_request_hbc_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); + } + break; + case ACB_ADAPTER_TYPE_C: { + arcmsr_hbaC_request_device_map(acb); + } } } -static void arcmsr_start_hba_bgrb(struct AdapterControlBlock *acb) +static void +arcmsr_hbaA_start_bgrb(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; acb->acb_flags |= ACB_F_MSG_START_BGRB; - writel(ARCMSR_INBOUND_MESG0_START_BGRB, ®->inbound_msgaddr0); - if (!arcmsr_hba_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ - rebulid' timeout \n", acb->host->host_no); + writel(ARCMSR_INBOUND_MESG0_START_BGRB, + ®->inbound_msgaddr0); + if (!arcmsr_hbaA_wait_msgint_ready(acb)) { + pr_notice("arcmsr%d: wait 'start adapter " + "background rebulid' timeout\n", acb->host->host_no); } } -static void arcmsr_start_hbb_bgrb(struct AdapterControlBlock *acb) +static void +arcmsr_hbaB_start_bgrb(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; acb->acb_flags |= ACB_F_MSG_START_BGRB; writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell); - if (!arcmsr_hbb_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ - rebulid' timeout \n",acb->host->host_no); + if (!arcmsr_hbaB_wait_msgint_ready(acb)) { + pr_notice("arcmsr%d: wait 'start adapter " + "backgroundrebulid' timeout\n", acb->host->host_no); } } -static void arcmsr_start_hbc_bgrb(struct AdapterControlBlock *pACB) +static void +arcmsr_hbaC_start_bgrb(struct AdapterControlBlock *pACB) { - struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC; + struct MessageUnit_C *phbcmu = + (struct MessageUnit_C *)pACB->pmuC; pACB->acb_flags |= ACB_F_MSG_START_BGRB; - writel(ARCMSR_INBOUND_MESG0_START_BGRB, &phbcmu->inbound_msgaddr0); - writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &phbcmu->inbound_doorbell); - if (!arcmsr_hbc_wait_msgint_ready(pACB)) { - printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ - rebulid' timeout \n", pACB->host->host_no); + writel(ARCMSR_INBOUND_MESG0_START_BGRB, + &phbcmu->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, + &phbcmu->inbound_doorbell); + if (!arcmsr_hbaC_wait_msgint_ready(pACB)) { + pr_notice("arcmsr%d: wait 'start adapter " + "background rebulid' timeout\n", pACB->host->host_no); } return; } -static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb) + +static void +arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: - arcmsr_start_hba_bgrb(acb); + arcmsr_hbaA_start_bgrb(acb); break; case ACB_ADAPTER_TYPE_B: - arcmsr_start_hbb_bgrb(acb); + arcmsr_hbaB_start_bgrb(acb); break; case ACB_ADAPTER_TYPE_C: - arcmsr_start_hbc_bgrb(acb); + arcmsr_hbaC_start_bgrb(acb); } } -static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb) +static void +arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { @@ -2771,30 +3030,36 @@ static void arcmsr_clear_doorbell_queue_ outbound_doorbell = readl(®->outbound_doorbell); /*clear doorbell interrupt */ writel(outbound_doorbell, ®->outbound_doorbell); - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); + writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, + ®->inbound_doorbell); } break; case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; /*clear interrupt and message state*/ - writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); - writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell); + writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, + reg->iop2drv_doorbell); + writel(ARCMSR_DRV2IOP_DATA_READ_OK, + reg->drv2iop_doorbell); /* let IOP know data has been read */ } break; case ACB_ADAPTER_TYPE_C: { - struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + struct MessageUnit_C *reg = + (struct MessageUnit_C *)acb->pmuC; uint32_t outbound_doorbell; /* empty doorbell Qbuffer if door bell ringed */ outbound_doorbell = readl(®->outbound_doorbell); writel(outbound_doorbell, ®->outbound_doorbell_clear); - writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); + writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, + ®->inbound_doorbell); } } } -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: @@ -2802,9 +3067,11 @@ static void arcmsr_enable_eoi_mode(struc case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; - writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell); - if (!arcmsr_hbb_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "ARCMSR IOP enables EOI_MODE TIMEOUT"); + 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; } } @@ -2815,21 +3082,24 @@ static void arcmsr_enable_eoi_mode(struc return; } -static void arcmsr_hardware_reset(struct AdapterControlBlock *acb) +static void +arcmsr_hardware_reset(struct AdapterControlBlock *acb) { uint8_t value[64]; int i, count = 0; struct MessageUnit_A __iomem *pmuA = acb->pmuA; struct MessageUnit_C __iomem *pmuC = acb->pmuC; - + u32 temp = 0; /* backup pci config data */ - printk(KERN_NOTICE "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no); + pr_notice("arcmsr%d: executing hw bus reset .....\n", + acb->host->host_no); for (i = 0; i < 64; i++) { pci_read_config_byte(acb->pdev, i, &value[i]); } /* hardware reset signal */ if ((acb->dev_id == 0x1680)) { - writel(ARCMSR_ARC1680_BUS_RESET, &pmuA->reserved1[0]); + writel(ARCMSR_ARC1680_BUS_RESET, + &pmuA->reserved1[0]); } else if ((acb->dev_id == 0x1880)) { do { count++; @@ -2839,8 +3109,11 @@ static void arcmsr_hardware_reset(struct writel(0x2, &pmuC->write_sequence); writel(0x7, &pmuC->write_sequence); writel(0xD, &pmuC->write_sequence); - } while (((readl(&pmuC->host_diagnostic) & ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && (count < 5)); - writel(ARCMSR_ARC1880_RESET_ADAPTER, &pmuC->host_diagnostic); + } while ((((temp = readl(&pmuC->host_diagnostic)) | + ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && + (count < 5)); + writel(ARCMSR_ARC1880_RESET_ADAPTER, + &pmuC->host_diagnostic); } else { pci_write_config_byte(acb->pdev, 0x84, 0x20); } @@ -2852,7 +3125,9 @@ static void arcmsr_hardware_reset(struct msleep(1000); return; } -static void arcmsr_iop_init(struct AdapterControlBlock *acb) + +static void +arcmsr_iop_init(struct AdapterControlBlock *acb) { uint32_t intmask_org; /* disable all outbound interrupt */ @@ -2869,7 +3144,8 @@ static void arcmsr_iop_init(struct Adapt acb->acb_flags |= ACB_F_IOP_INITED; } -static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb) +static uint8_t +arcmsr_iop_reset(struct AdapterControlBlock *acb) { struct CommandControlBlock *ccb; uint32_t intmask_org; @@ -2892,7 +3168,8 @@ static uint8_t arcmsr_iop_reset(struct A ccb->ccb_flags = 0; spin_lock_irqsave(&acb->ccblist_lock, flags); list_add_tail(&ccb->list, &acb->ccb_free_list); - spin_unlock_irqrestore(&acb->ccblist_lock, flags); + spin_unlock_irqrestore(&acb->ccblist_lock, + flags); } } atomic_set(&acb->ccboutstandingcount, 0); @@ -2903,147 +3180,178 @@ static uint8_t arcmsr_iop_reset(struct A return rtnval; } -static int arcmsr_bus_reset(struct scsi_cmnd *cmd) +static int +arcmsr_bus_reset(struct scsi_cmnd *cmd) { struct AdapterControlBlock *acb; uint32_t intmask_org, outbound_doorbell; int retry_count = 0; int rtn = FAILED; acb = (struct AdapterControlBlock *) cmd->device->host->hostdata; - printk(KERN_ERR "arcmsr: executing bus reset eh.....num_resets = %d, num_aborts = %d \n", acb->num_resets, acb->num_aborts); + pr_err("arcmsr: executing bus reset eh.....num_resets = %d, " + "num_aborts = %d\n", acb->num_resets, acb->num_aborts); acb->num_resets++; - switch(acb->adapter_type){ - case ACB_ADAPTER_TYPE_A:{ - if (acb->acb_flags & ACB_F_BUS_RESET){ - long timeout; - printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n"); - timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ); - if (timeout) { - return SUCCESS; - } - } - acb->acb_flags |= ACB_F_BUS_RESET; - if (!arcmsr_iop_reset(acb)) { - struct MessageUnit_A __iomem *reg; - reg = acb->pmuA; - arcmsr_hardware_reset(acb); - acb->acb_flags &= ~ACB_F_IOP_INITED; + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + if (acb->acb_flags & ACB_F_BUS_RESET) { + long timeout; + pr_err("arcmsr: there is an bus " + "reset eh proceeding.......\n"); + timeout = wait_event_timeout(wait_q, + (acb->acb_flags & ACB_F_BUS_RESET) + == 0, 220 * HZ); + if (timeout) { + return SUCCESS; + } + } + acb->acb_flags |= ACB_F_BUS_RESET; + if (!arcmsr_iop_reset(acb)) { + struct MessageUnit_A __iomem *reg; + reg = acb->pmuA; + arcmsr_hardware_reset(acb); + acb->acb_flags &= ~ACB_F_IOP_INITED; sleep_again: - ssleep(ARCMSR_SLEEPTIME); - if ((readl(®->outbound_msgaddr1) & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) { - printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d\n", acb->host->host_no, retry_count); - if (retry_count > ARCMSR_RETRYCOUNT) { - acb->fw_flag = FW_DEADLOCK; - printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!!\n", acb->host->host_no); - return FAILED; - } - retry_count++; - goto sleep_again; + ssleep(ARCMSR_SLEEPTIME); + if ((readl(®->outbound_msgaddr1) & + ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) { + pr_err("arcmsr%d: waiting for " + "hw bus reset return, retry = %d\n", + acb->host->host_no, retry_count); + if (retry_count > ARCMSR_RETRYCOUNT) { + acb->fw_flag = FW_DEADLOCK; + pr_err("arcmsr%d: waiting " + "for hw bus reset return, " + "RETRY TERMINATED!!\n", + acb->host->host_no); + return FAILED; } - acb->acb_flags |= ACB_F_IOP_INITED; - /* disable all outbound interrupt */ - intmask_org = arcmsr_disable_outbound_ints(acb); - arcmsr_get_firmware_spec(acb); - arcmsr_start_adapter_bgrb(acb); - /* clear Qbuffer if door bell ringed */ - outbound_doorbell = readl(®->outbound_doorbell); - writel(outbound_doorbell, ®->outbound_doorbell); /*clear interrupt */ - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); - /* enable outbound Post Queue,outbound doorbell Interrupt */ - arcmsr_enable_outbound_ints(acb, intmask_org); - atomic_set(&acb->rq_map_token, 16); - atomic_set(&acb->ante_token_value, 16); - acb->fw_flag = FW_NORMAL; - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); - acb->acb_flags &= ~ACB_F_BUS_RESET; - rtn = SUCCESS; - printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n"); - } else { - acb->acb_flags &= ~ACB_F_BUS_RESET; - atomic_set(&acb->rq_map_token, 16); - atomic_set(&acb->ante_token_value, 16); - acb->fw_flag = FW_NORMAL; - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ)); - rtn = SUCCESS; + retry_count++; + goto sleep_again; } - break; + acb->acb_flags |= ACB_F_IOP_INITED; + /* disable all outbound interrupt */ + intmask_org = arcmsr_disable_outbound_ints(acb); + arcmsr_get_firmware_spec(acb); + arcmsr_start_adapter_bgrb(acb); + /* clear Qbuffer if door bell ringed */ + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell); + writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, + ®->inbound_doorbell); + arcmsr_enable_outbound_ints(acb, intmask_org); + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); + acb->acb_flags &= ~ACB_F_BUS_RESET; + rtn = SUCCESS; + pr_err("arcmsr: scsi bus reset eh " + "returns with success\n"); + } else { + acb->acb_flags &= ~ACB_F_BUS_RESET; + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, + jiffies + msecs_to_jiffies(6 * HZ)); + rtn = SUCCESS; } - case ACB_ADAPTER_TYPE_B:{ - acb->acb_flags |= ACB_F_BUS_RESET; - if (!arcmsr_iop_reset(acb)) { - acb->acb_flags &= ~ACB_F_BUS_RESET; - rtn = FAILED; - } else { - acb->acb_flags &= ~ACB_F_BUS_RESET; - atomic_set(&acb->rq_map_token, 16); - atomic_set(&acb->ante_token_value, 16); - acb->fw_flag = FW_NORMAL; - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); - rtn = SUCCESS; - } - break; + 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(®->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(®->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(®->outbound_doorbell); - writel(outbound_doorbell, ®->outbound_doorbell_clear); /*clear interrupt */ - writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); - /* enable outbound Post Queue,outbound doorbell Interrupt */ - arcmsr_enable_outbound_ints(acb, intmask_org); - atomic_set(&acb->rq_map_token, 16); - atomic_set(&acb->ante_token_value, 16); - acb->fw_flag = FW_NORMAL; - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); - acb->acb_flags &= ~ACB_F_BUS_RESET; - rtn = SUCCESS; - printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n"); - } else { - acb->acb_flags &= ~ACB_F_BUS_RESET; - atomic_set(&acb->rq_map_token, 16); - atomic_set(&acb->ante_token_value, 16); - acb->fw_flag = FW_NORMAL; - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ)); - rtn = SUCCESS; + retry_count++; + goto 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); + /* clear Qbuffer if door bell ringed */ + outbound_doorbell = + readl(®->outbound_doorbell); + writel(outbound_doorbell, + ®->outbound_doorbell_clear); + writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, + ®->inbound_doorbell); + arcmsr_enable_outbound_ints(acb, + intmask_org); + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); + acb->acb_flags &= ~ACB_F_BUS_RESET; + rtn = SUCCESS; + pr_err("arcmsr: scsi bus reset " + "eh returns with success\n"); + } else { + acb->acb_flags &= ~ACB_F_BUS_RESET; + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); + rtn = SUCCESS; } + break; + } } return rtn; } -static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb, +static int +arcmsr_abort_one_cmd(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) { int rtn; @@ -3051,15 +3359,17 @@ static int arcmsr_abort_one_cmd(struct A return rtn; } -static int arcmsr_abort(struct scsi_cmnd *cmd) +static int +arcmsr_abort(struct scsi_cmnd *cmd) { - struct AdapterControlBlock *acb = - (struct AdapterControlBlock *)cmd->device->host->hostdata; + struct AdapterControlBlock *acb = (struct AdapterControlBlock *) + cmd->device->host->hostdata; int i = 0; int rtn = FAILED; - printk(KERN_NOTICE - "arcmsr%d: abort device command of scsi id = %d lun = %d \n", - acb->host->host_no, cmd->device->id, cmd->device->lun); + pr_notice("arcmsr%d: abort device command of " + "scsi id = %d lun = %d\n", + acb->host->host_no, + cmd->device->id, cmd->device->lun); acb->acb_flags |= ACB_F_ABORT; acb->num_aborts++; /* @@ -3073,7 +3383,8 @@ static int arcmsr_abort(struct scsi_cmnd for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { struct CommandControlBlock *ccb = acb->pccb_pool[i]; - if (ccb->startdone == ARCMSR_CCB_START && ccb->pcmd == cmd) { + if (ccb->startdone == ARCMSR_CCB_START && + ccb->pcmd == cmd) { ccb->startdone = ARCMSR_CCB_ABORTED; rtn = arcmsr_abort_one_cmd(acb, ccb); break; @@ -3083,10 +3394,11 @@ static int arcmsr_abort(struct scsi_cmnd return rtn; } -static const char *arcmsr_info(struct Scsi_Host *host) +static const char +*arcmsr_info(struct Scsi_Host *host) { struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; + (struct AdapterControlBlock *)host->hostdata; static char buf[256]; char *type; int raid6 = 1; @@ -3125,3 +3437,4 @@ static const char *arcmsr_info(struct Sc ARCMSR_DRIVER_VERSION); return buf; } +