From: Ching <ching2048@xxxxxxxxxxxx> Fixed coding style errors and white space change. Singed-off-by: Ching <ching2048@xxxxxxxxxxxx> --- diff -uprN a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c --- a/drivers/scsi/arcmsr/arcmsr_attr.c 2014-01-15 23:41:36.000000000 +0800 +++ b/drivers/scsi/arcmsr/arcmsr_attr.c 2014-02-12 10:52:34.000000000 +0800 @@ -262,31 +262,37 @@ static struct bin_attribute arcmsr_sysfs .write = arcmsr_sysfs_iop_message_clear, }; -int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb) +int +arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb) { struct Scsi_Host *host = acb->host; int error; - error = sysfs_create_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_read_attr); + error = sysfs_create_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_read_attr); if (error) { - printk(KERN_ERR "arcmsr: alloc sysfs mu_read failed\n"); + pr_err("arcmsr: alloc sysfs mu_read failed\n"); goto error_bin_file_message_read; } - error = sysfs_create_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_write_attr); + error = sysfs_create_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_write_attr); if (error) { - printk(KERN_ERR "arcmsr: alloc sysfs mu_write failed\n"); + pr_err("arcmsr: alloc sysfs mu_write failed\n"); goto error_bin_file_message_write; } - error = sysfs_create_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_clear_attr); + error = sysfs_create_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_clear_attr); if (error) { - printk(KERN_ERR "arcmsr: alloc sysfs mu_clear failed\n"); + pr_err("arcmsr: alloc sysfs mu_clear failed\n"); goto error_bin_file_message_clear; } return 0; error_bin_file_message_clear: - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_write_attr); + sysfs_remove_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_write_attr); error_bin_file_message_write: - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_read_attr); + sysfs_remove_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_read_attr); error_bin_file_message_read: return error; } @@ -295,30 +301,29 @@ void arcmsr_free_sysfs_attr(struct Adapt { struct Scsi_Host *host = acb->host; - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_clear_attr); - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_write_attr); - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_read_attr); + sysfs_remove_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_clear_attr); + sysfs_remove_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_write_attr); + sysfs_remove_bin_file(&host->shost_dev.kobj, + &arcmsr_sysfs_message_read_attr); } - static ssize_t arcmsr_attr_host_driver_version(struct device *dev, struct device_attribute *attr, char *buf) { - return snprintf(buf, PAGE_SIZE, - "%s\n", - ARCMSR_DRIVER_VERSION); + return snprintf(buf, PAGE_SIZE, "%s\n", ARCMSR_DRIVER_VERSION); } static ssize_t arcmsr_attr_host_driver_posted_cmd(struct device *dev, - struct device_attribute *attr, char *buf) + struct device_attribute *attr, char *buf) { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; - return snprintf(buf, PAGE_SIZE, - "%4d\n", + (struct AdapterControlBlock *)host->hostdata; + return snprintf(buf, PAGE_SIZE, "%4d\n", atomic_read(&acb->ccboutstandingcount)); } @@ -328,10 +333,8 @@ arcmsr_attr_host_driver_reset(struct dev { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; - return snprintf(buf, PAGE_SIZE, - "%4d\n", - acb->num_resets); + (struct AdapterControlBlock *)host->hostdata; + return snprintf(buf, PAGE_SIZE, "%4d\n", acb->num_resets); } static ssize_t @@ -340,22 +343,18 @@ arcmsr_attr_host_driver_abort(struct dev { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; - return snprintf(buf, PAGE_SIZE, - "%4d\n", - acb->num_aborts); + (struct AdapterControlBlock *)host->hostdata; + return snprintf(buf, PAGE_SIZE, "%4d\n", acb->num_aborts); } static ssize_t -arcmsr_attr_host_fw_model(struct device *dev, struct device_attribute *attr, - char *buf) +arcmsr_attr_host_fw_model(struct device *dev, + struct device_attribute *attr, char *buf) { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; - return snprintf(buf, PAGE_SIZE, - "%s\n", - acb->firm_model); + (struct AdapterControlBlock *)host->hostdata; + return snprintf(buf, PAGE_SIZE, "%s\n", acb->firm_model); } static ssize_t @@ -364,11 +363,8 @@ arcmsr_attr_host_fw_version(struct devic { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; - - return snprintf(buf, PAGE_SIZE, - "%s\n", - acb->firm_version); + (struct AdapterControlBlock *)host->hostdata; + return snprintf(buf, PAGE_SIZE, "%s\n", acb->firm_version); } static ssize_t @@ -377,11 +373,8 @@ arcmsr_attr_host_fw_request_len(struct d { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; - - return snprintf(buf, PAGE_SIZE, - "%4d\n", - acb->firm_request_len); + (struct AdapterControlBlock *)host->hostdata; + return snprintf(buf, PAGE_SIZE, "%4d\n", acb->firm_request_len); } static ssize_t @@ -390,11 +383,8 @@ arcmsr_attr_host_fw_numbers_queue(struct { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; - - return snprintf(buf, PAGE_SIZE, - "%4d\n", - acb->firm_numbers_queue); + (struct AdapterControlBlock *)host->hostdata; + return snprintf(buf, PAGE_SIZE, "%4d\n", acb->firm_numbers_queue); } static ssize_t @@ -403,11 +393,8 @@ arcmsr_attr_host_fw_sdram_size(struct de { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; - - return snprintf(buf, PAGE_SIZE, - "%4d\n", - acb->firm_sdram_size); + (struct AdapterControlBlock *)host->hostdata; + return snprintf(buf, PAGE_SIZE, "%4d\n", acb->firm_sdram_size); } static ssize_t @@ -416,11 +403,8 @@ arcmsr_attr_host_fw_hd_channels(struct d { struct Scsi_Host *host = class_to_shost(dev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; - - return snprintf(buf, PAGE_SIZE, - "%4d\n", - acb->firm_hd_channels); + (struct AdapterControlBlock *)host->hostdata; + return snprintf(buf, PAGE_SIZE, "%4d\n", acb->firm_hd_channels); } static DEVICE_ATTR(host_driver_version, S_IRUGO, arcmsr_attr_host_driver_version, NULL); @@ -447,4 +431,3 @@ struct device_attribute *arcmsr_host_att &dev_attr_host_fw_hd_channels, NULL, }; - diff -uprN a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h --- a/drivers/scsi/arcmsr/arcmsr.h 2014-02-20 23:23:30.000000000 +0800 +++ b/drivers/scsi/arcmsr/arcmsr.h 2014-02-20 20:14:42.000000000 +0800 @@ -6,7 +6,7 @@ ** Description: SCSI RAID Device Driver for ** ARECA RAID Host adapter ******************************************************************************* -** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved. +** Copyright (C) 2002 - 2014, Areca Technology Corporation All rights reserved. ** ** Web site: www.areca.com.tw ** E-mail: support@xxxxxxxxxxxx @@ -62,26 +62,26 @@ struct device_attribute; #define ARCMSR_MAX_QBUFFER 4096 #define ARCMSR_DEFAULT_SG_ENTRIES 38 #define ARCMSR_MAX_HBB_POSTQUEUE 264 -#define ARCMSR_MAX_XFER_LEN 0x26000 /* 152K */ -#define ARCMSR_CDB_SG_PAGE_LENGTH 256 +#define ARCMSR_MAX_XFER_LEN 0x26000 +#define ARCMSR_CDB_SG_PAGE_LENGTH 256 #define ARCMST_NUM_MSIX_VECTORS 4 #ifndef PCI_DEVICE_ID_ARECA_1880 -#define PCI_DEVICE_ID_ARECA_1880 0x1880 + #define PCI_DEVICE_ID_ARECA_1880 0x1880 #endif /* ********************************************************************************** ** ********************************************************************************** */ -#define ARC_SUCCESS 0 -#define ARC_FAILURE 1 +#define ARC_SUCCESS 0 +#define ARC_FAILURE 1 /* ******************************************************************************* ** split 64bits dma addressing ******************************************************************************* */ -#define dma_addr_hi32(addr) (uint32_t) ((addr>>16)>>16) -#define dma_addr_lo32(addr) (uint32_t) (addr & 0xffffffff) +#define dma_addr_hi32(addr) (uint32_t)((addr >> 16) >> 16) +#define dma_addr_lo32(addr) (uint32_t)(addr & 0xffffffff) /* ******************************************************************************* ** MESSAGE CONTROL CODE @@ -89,12 +89,12 @@ struct device_attribute; */ struct CMD_MESSAGE { - uint32_t HeaderLength; - uint8_t Signature[8]; - uint32_t Timeout; - uint32_t ControlCode; - uint32_t ReturnCode; - uint32_t Length; + uint32_t HeaderLength; + uint8_t Signature[8]; + uint32_t Timeout; + uint32_t ControlCode; + uint32_t ReturnCode; + uint32_t Length; }; /* ******************************************************************************* @@ -103,44 +103,44 @@ struct CMD_MESSAGE */ struct CMD_MESSAGE_FIELD { - struct CMD_MESSAGE cmdmessage; - uint8_t messagedatabuffer[1032]; + struct CMD_MESSAGE cmdmessage; + uint8_t messagedatabuffer[1032]; }; /* IOP message transfer */ -#define ARCMSR_MESSAGE_FAIL 0x0001 +#define ARCMSR_MESSAGE_FAIL 0x0001 /* DeviceType */ -#define ARECA_SATA_RAID 0x90000000 +#define ARECA_SATA_RAID 0x90000000 /* FunctionCode */ -#define FUNCTION_READ_RQBUFFER 0x0801 -#define FUNCTION_WRITE_WQBUFFER 0x0802 -#define FUNCTION_CLEAR_RQBUFFER 0x0803 -#define FUNCTION_CLEAR_WQBUFFER 0x0804 -#define FUNCTION_CLEAR_ALLQBUFFER 0x0805 -#define FUNCTION_RETURN_CODE_3F 0x0806 -#define FUNCTION_SAY_HELLO 0x0807 -#define FUNCTION_SAY_GOODBYE 0x0808 -#define FUNCTION_FLUSH_ADAPTER_CACHE 0x0809 -#define FUNCTION_GET_FIRMWARE_STATUS 0x080A -#define FUNCTION_HARDWARE_RESET 0x080B +#define FUNCTION_READ_RQBUFFER 0x0801 +#define FUNCTION_WRITE_WQBUFFER 0x0802 +#define FUNCTION_CLEAR_RQBUFFER 0x0803 +#define FUNCTION_CLEAR_WQBUFFER 0x0804 +#define FUNCTION_CLEAR_ALLQBUFFER 0x0805 +#define FUNCTION_RETURN_CODE_3F 0x0806 +#define FUNCTION_SAY_HELLO 0x0807 +#define FUNCTION_SAY_GOODBYE 0x0808 +#define FUNCTION_FLUSH_ADAPTER_CACHE 0x0809 +#define FUNCTION_GET_FIRMWARE_STATUS 0x080A +#define FUNCTION_HARDWARE_RESET 0x080B /* ARECA IO CONTROL CODE*/ -#define ARCMSR_MESSAGE_READ_RQBUFFER \ - ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER -#define ARCMSR_MESSAGE_WRITE_WQBUFFER \ - ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER -#define ARCMSR_MESSAGE_CLEAR_RQBUFFER \ - ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER -#define ARCMSR_MESSAGE_CLEAR_WQBUFFER \ - ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER -#define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER \ - ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER -#define ARCMSR_MESSAGE_RETURN_CODE_3F \ - ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F -#define ARCMSR_MESSAGE_SAY_HELLO \ - ARECA_SATA_RAID | FUNCTION_SAY_HELLO -#define ARCMSR_MESSAGE_SAY_GOODBYE \ - ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE -#define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \ - ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE +#define ARCMSR_MESSAGE_READ_RQBUFFER \ + (ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER) +#define ARCMSR_MESSAGE_WRITE_WQBUFFER \ + (ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER) +#define ARCMSR_MESSAGE_CLEAR_RQBUFFER \ + (ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER) +#define ARCMSR_MESSAGE_CLEAR_WQBUFFER \ + (ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER) +#define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER \ + (ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER) +#define ARCMSR_MESSAGE_RETURN_CODE_3F \ + (ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F) +#define ARCMSR_MESSAGE_SAY_HELLO \ + (ARECA_SATA_RAID | FUNCTION_SAY_HELLO) +#define ARCMSR_MESSAGE_SAY_GOODBYE \ + (ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE) +#define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \ + (ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE) /* ARECA IOCTL ReturnCode */ #define ARCMSR_MESSAGE_RETURNCODE_OK 0x00000001 #define ARCMSR_MESSAGE_RETURNCODE_ERROR 0x00000006 @@ -151,18 +151,18 @@ struct CMD_MESSAGE_FIELD ** structure for holding DMA address data ************************************************************* */ -#define IS_DMA64 (sizeof(dma_addr_t) == 8) -#define IS_SG64_ADDR 0x01000000 /* bit24 */ +#define IS_DMA64 (sizeof(dma_addr_t) == 8) +#define IS_SG64_ADDR 0x01000000 /* bit24 */ struct SG32ENTRY { - __le32 length; - __le32 address; + __le32 length; + __le32 address; }__attribute__ ((packed)); struct SG64ENTRY { - __le32 length; - __le32 address; - __le32 addresshigh; + __le32 length; + __le32 address; + __le32 addresshigh; }__attribute__ ((packed)); /* ******************************************************************** @@ -171,8 +171,8 @@ struct SG64ENTRY */ struct QBUFFER { - uint32_t data_len; - uint8_t data[124]; + uint32_t data_len; + uint8_t data[124]; }; /* ******************************************************************************* @@ -181,50 +181,50 @@ struct QBUFFER */ struct FIRMWARE_INFO { - uint32_t signature; /*0, 00-03*/ - uint32_t request_len; /*1, 04-07*/ - uint32_t numbers_queue; /*2, 08-11*/ - uint32_t sdram_size; /*3, 12-15*/ - uint32_t ide_channels; /*4, 16-19*/ - char vendor[40]; /*5, 20-59*/ - char model[8]; /*15, 60-67*/ - char firmware_ver[16]; /*17, 68-83*/ - char device_map[16]; /*21, 84-99*/ - uint32_t cfgVersion; /*25,100-103 Added for checking of new firmware capability*/ - uint8_t cfgSerial[16]; /*26,104-119*/ - uint32_t cfgPicStatus; /*30,120-123*/ + uint32_t signature; /*0, 00-03*/ + uint32_t request_len; /*1, 04-07*/ + uint32_t numbers_queue; /*2, 08-11*/ + uint32_t sdram_size; /*3, 12-15*/ + uint32_t ide_channels; /*4, 16-19*/ + char vendor[40]; /*5, 20-59*/ + char model[8]; /*15, 60-67*/ + char firmware_ver[16]; /*17, 68-83*/ + char device_map[16]; /*21, 84-99*/ + uint32_t cfgVersion; /*25, 100-103*/ + uint8_t cfgSerial[16]; /*26, 104-119*/ + uint32_t cfgPicStatus; /*30, 120-123*/ }; /* signature of set and get firmware config */ -#define ARCMSR_SIGNATURE_GET_CONFIG 0x87974060 -#define ARCMSR_SIGNATURE_SET_CONFIG 0x87974063 +#define ARCMSR_SIGNATURE_GET_CONFIG 0x87974060 +#define ARCMSR_SIGNATURE_SET_CONFIG 0x87974063 /* message code of inbound message register */ -#define ARCMSR_INBOUND_MESG0_NOP 0x00000000 -#define ARCMSR_INBOUND_MESG0_GET_CONFIG 0x00000001 -#define ARCMSR_INBOUND_MESG0_SET_CONFIG 0x00000002 -#define ARCMSR_INBOUND_MESG0_ABORT_CMD 0x00000003 -#define ARCMSR_INBOUND_MESG0_STOP_BGRB 0x00000004 -#define ARCMSR_INBOUND_MESG0_FLUSH_CACHE 0x00000005 -#define ARCMSR_INBOUND_MESG0_START_BGRB 0x00000006 -#define ARCMSR_INBOUND_MESG0_CHK331PENDING 0x00000007 -#define ARCMSR_INBOUND_MESG0_SYNC_TIMER 0x00000008 +#define ARCMSR_INBOUND_MESG0_NOP 0x00000000 +#define ARCMSR_INBOUND_MESG0_GET_CONFIG 0x00000001 +#define ARCMSR_INBOUND_MESG0_SET_CONFIG 0x00000002 +#define ARCMSR_INBOUND_MESG0_ABORT_CMD 0x00000003 +#define ARCMSR_INBOUND_MESG0_STOP_BGRB 0x00000004 +#define ARCMSR_INBOUND_MESG0_FLUSH_CACHE 0x00000005 +#define ARCMSR_INBOUND_MESG0_START_BGRB 0x00000006 +#define ARCMSR_INBOUND_MESG0_CHK331PENDING 0x00000007 +#define ARCMSR_INBOUND_MESG0_SYNC_TIMER 0x00000008 /* doorbell interrupt generator */ -#define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK 0x00000001 -#define ARCMSR_INBOUND_DRIVER_DATA_READ_OK 0x00000002 -#define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK 0x00000001 -#define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK 0x00000002 +#define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK 0x00000001 +#define ARCMSR_INBOUND_DRIVER_DATA_READ_OK 0x00000002 +#define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK 0x00000001 +#define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK 0x00000002 /* ccb areca cdb flag */ -#define ARCMSR_CCBPOST_FLAG_SGL_BSIZE 0x80000000 -#define ARCMSR_CCBPOST_FLAG_IAM_BIOS 0x40000000 -#define ARCMSR_CCBREPLY_FLAG_IAM_BIOS 0x40000000 -#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0 0x10000000 -#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1 0x00000001 +#define ARCMSR_CCBPOST_FLAG_SGL_BSIZE 0x80000000 +#define ARCMSR_CCBPOST_FLAG_IAM_BIOS 0x40000000 +#define ARCMSR_CCBREPLY_FLAG_IAM_BIOS 0x40000000 +#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0 0x10000000 +#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1 0x00000001 /* outbound firmware ok */ -#define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK 0x80000000 +#define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK 0x80000000 /* ARC-1680 Bus Reset*/ -#define ARCMSR_ARC1680_BUS_RESET 0x00000003 +#define ARCMSR_ARC1680_BUS_RESET 0x00000003 /* ARC-1880 Bus Reset*/ -#define ARCMSR_ARC1880_RESET_ADAPTER 0x00000024 -#define ARCMSR_ARC1880_DiagWrite_ENABLE 0x00000080 +#define ARCMSR_ARC1880_RESET_ADAPTER 0x00000024 +#define ARCMSR_ARC1880_DiagWrite_ENABLE 0x00000080 /* ************************************************************************ @@ -233,54 +233,54 @@ struct FIRMWARE_INFO */ /* ARECA HBB COMMAND for its FIRMWARE */ /* window of "instruction flags" from driver to iop */ -#define ARCMSR_DRV2IOP_DOORBELL 0x00020400 -#define ARCMSR_DRV2IOP_DOORBELL_MASK 0x00020404 +#define ARCMSR_DRV2IOP_DOORBELL 0x00020400 +#define ARCMSR_DRV2IOP_DOORBELL_MASK 0x00020404 /* window of "instruction flags" from iop to driver */ -#define ARCMSR_IOP2DRV_DOORBELL 0x00020408 -#define ARCMSR_IOP2DRV_DOORBELL_MASK 0x0002040C +#define ARCMSR_IOP2DRV_DOORBELL 0x00020408 +#define ARCMSR_IOP2DRV_DOORBELL_MASK 0x0002040C /* ARECA FLAG LANGUAGE */ /* ioctl transfer */ -#define ARCMSR_IOP2DRV_DATA_WRITE_OK 0x00000001 +#define ARCMSR_IOP2DRV_DATA_WRITE_OK 0x00000001 /* ioctl transfer */ -#define ARCMSR_IOP2DRV_DATA_READ_OK 0x00000002 -#define ARCMSR_IOP2DRV_CDB_DONE 0x00000004 -#define ARCMSR_IOP2DRV_MESSAGE_CMD_DONE 0x00000008 - -#define ARCMSR_DOORBELL_HANDLE_INT 0x0000000F -#define ARCMSR_DOORBELL_INT_CLEAR_PATTERN 0xFF00FFF0 -#define ARCMSR_MESSAGE_INT_CLEAR_PATTERN 0xFF00FFF7 +#define ARCMSR_IOP2DRV_DATA_READ_OK 0x00000002 +#define ARCMSR_IOP2DRV_CDB_DONE 0x00000004 +#define ARCMSR_IOP2DRV_MESSAGE_CMD_DONE 0x00000008 + +#define ARCMSR_DOORBELL_HANDLE_INT 0x0000000F +#define ARCMSR_DOORBELL_INT_CLEAR_PATTERN 0xFF00FFF0 +#define ARCMSR_MESSAGE_INT_CLEAR_PATTERN 0xFF00FFF7 /* (ARCMSR_INBOUND_MESG0_GET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */ -#define ARCMSR_MESSAGE_GET_CONFIG 0x00010008 +#define ARCMSR_MESSAGE_GET_CONFIG 0x00010008 /* (ARCMSR_INBOUND_MESG0_SET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */ -#define ARCMSR_MESSAGE_SET_CONFIG 0x00020008 +#define ARCMSR_MESSAGE_SET_CONFIG 0x00020008 /* (ARCMSR_INBOUND_MESG0_ABORT_CMD<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */ -#define ARCMSR_MESSAGE_ABORT_CMD 0x00030008 +#define ARCMSR_MESSAGE_ABORT_CMD 0x00030008 /* (ARCMSR_INBOUND_MESG0_STOP_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */ -#define ARCMSR_MESSAGE_STOP_BGRB 0x00040008 +#define ARCMSR_MESSAGE_STOP_BGRB 0x00040008 /* (ARCMSR_INBOUND_MESG0_FLUSH_CACHE<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */ -#define ARCMSR_MESSAGE_FLUSH_CACHE 0x00050008 +#define ARCMSR_MESSAGE_FLUSH_CACHE 0x00050008 /* (ARCMSR_INBOUND_MESG0_START_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */ -#define ARCMSR_MESSAGE_START_BGRB 0x00060008 -#define ARCMSR_MESSAGE_START_DRIVER_MODE 0x000E0008 -#define ARCMSR_MESSAGE_SET_POST_WINDOW 0x000F0008 -#define ARCMSR_MESSAGE_ACTIVE_EOI_MODE 0x00100008 +#define ARCMSR_MESSAGE_START_BGRB 0x00060008 +#define ARCMSR_MESSAGE_START_DRIVER_MODE 0x000E0008 +#define ARCMSR_MESSAGE_SET_POST_WINDOW 0x000F0008 +#define ARCMSR_MESSAGE_ACTIVE_EOI_MODE 0x00100008 /* ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK */ -#define ARCMSR_MESSAGE_FIRMWARE_OK 0x80000000 +#define ARCMSR_MESSAGE_FIRMWARE_OK 0x80000000 /* ioctl transfer */ -#define ARCMSR_DRV2IOP_DATA_WRITE_OK 0x00000001 +#define ARCMSR_DRV2IOP_DATA_WRITE_OK 0x00000001 /* ioctl transfer */ -#define ARCMSR_DRV2IOP_DATA_READ_OK 0x00000002 -#define ARCMSR_DRV2IOP_CDB_POSTED 0x00000004 -#define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED 0x00000008 +#define ARCMSR_DRV2IOP_DATA_READ_OK 0x00000002 +#define ARCMSR_DRV2IOP_CDB_POSTED 0x00000004 +#define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED 0x00000008 #define ARCMSR_DRV2IOP_END_OF_INTERRUPT 0x00000010 /* data tunnel buffer between user space program and its firmware */ /* user space data to iop 128bytes */ -#define ARCMSR_MESSAGE_WBUFFER 0x0000fe00 +#define ARCMSR_MESSAGE_WBUFFER 0x0000fe00 /* iop data to user space 128bytes */ -#define ARCMSR_MESSAGE_RBUFFER 0x0000ff00 +#define ARCMSR_MESSAGE_RBUFFER 0x0000ff00 /* iop message_rwbuffer for message command */ -#define ARCMSR_MESSAGE_RWBUFFER 0x0000fa00 +#define ARCMSR_MESSAGE_RWBUFFER 0x0000fa00 /* ************************************************************************ ** SPEC. for Areca HBC adapter @@ -289,45 +289,48 @@ struct FIRMWARE_INFO #define ARCMSR_HBC_ISR_THROTTLING_LEVEL 12 #define ARCMSR_HBC_ISR_MAX_DONE_QUEUE 20 /* Host Interrupt Mask */ -#define ARCMSR_HBCMU_UTILITY_A_ISR_MASK 0x00000001 /* When clear, the Utility_A interrupt routes to the host.*/ -#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK 0x00000004 /* When clear, the General Outbound Doorbell interrupt routes to the host.*/ -#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK 0x00000008 /* When clear, the Outbound Post List FIFO Not Empty interrupt routes to the host.*/ -#define ARCMSR_HBCMU_ALL_INTMASKENABLE 0x0000000D /* disable all ISR */ +#define ARCMSR_HBCMU_UTILITY_A_ISR_MASK 0x00000001 +#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK 0x00000004 +#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK 0x00000008 +#define ARCMSR_HBCMU_ALL_INTMASKENABLE 0x0000000D /* Host Interrupt Status */ #define ARCMSR_HBCMU_UTILITY_A_ISR 0x00000001 - /* - ** Set when the Utility_A Interrupt bit is set in the Outbound Doorbell Register. - ** It clears by writing a 1 to the Utility_A bit in the Outbound Doorbell Clear Register or through automatic clearing (if enabled). - */ +/* +** Set when the Utility_A Interrupt bit is set +** in the Outbound Doorbell Register. +** It clears by writing a 1 to the Utility_A +** bit in the Outbound Doorbell Clear Register +** or through automatic clearing (if enabled). +*/ #define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR 0x00000004 - /* - ** Set if Outbound Doorbell register bits 30:1 have a non-zero - ** value. This bit clears only when Outbound Doorbell bits - ** 30:1 are ALL clear. Only a write to the Outbound Doorbell - ** Clear register clears bits in the Outbound Doorbell register. - */ -#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR 0x00000008 - /* - ** Set whenever the Outbound Post List Producer/Consumer - ** Register (FIFO) is not empty. It clears when the Outbound - ** Post List FIFO is empty. - */ +/* +** Set if Outbound Doorbell register bits 30:1 have a non-zero +** value. This bit clears only when Outbound Doorbell bits +** 30:1 are ALL clear. Only a write to the Outbound Doorbell +** Clear register clears bits in the Outbound Doorbell register. +*/ +#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR 0x00000008 +/* +** Set whenever the Outbound Post List Producer/Consumer +** Register (FIFO) is not empty. It clears when the Outbound +** Post List FIFO is empty. +*/ #define ARCMSR_HBCMU_SAS_ALL_INT 0x00000010 - /* - ** This bit indicates a SAS interrupt from a source external to - ** the PCIe core. This bit is not maskable. - */ - /* DoorBell*/ -#define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK 0x00000002 -#define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK 0x00000004 +/* +** This bit indicates a SAS interrupt from a source external to +** the PCIe core. This bit is not maskable. +*/ +/* DoorBell*/ +#define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK 0x00000002 +#define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK 0x00000004 /*inbound message 0 ready*/ #define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE 0x00000008 /*more than 12 request completed in a time*/ -#define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING 0x00000010 -#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK 0x00000002 +#define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING 0x00000010 +#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK 0x00000002 /*outbound DATA WRITE isr door bell clear*/ #define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_DOORBELL_CLEAR 0x00000002 -#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK 0x00000004 +#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK 0x00000004 /*outbound DATA READ isr door bell clear*/ #define ARCMSR_HBCMU_IOP2DRV_DATA_READ_DOORBELL_CLEAR 0x00000004 /*outbound message 0 ready*/ @@ -335,7 +338,7 @@ struct FIRMWARE_INFO /*outbound message cmd isr door bell clear*/ #define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR 0x00000008 /*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/ -#define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK 0x80000000 +#define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK 0x80000000 /* ******************************************************************************* ** ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504) @@ -343,156 +346,159 @@ struct FIRMWARE_INFO */ struct ARCMSR_CDB { - uint8_t Bus; - uint8_t TargetID; - uint8_t LUN; - uint8_t Function; - uint8_t CdbLength; - uint8_t sgcount; - uint8_t Flags; -#define ARCMSR_CDB_FLAG_SGL_BSIZE 0x01 -#define ARCMSR_CDB_FLAG_BIOS 0x02 -#define ARCMSR_CDB_FLAG_WRITE 0x04 -#define ARCMSR_CDB_FLAG_SIMPLEQ 0x00 -#define ARCMSR_CDB_FLAG_HEADQ 0x08 -#define ARCMSR_CDB_FLAG_ORDEREDQ 0x10 + uint8_t Bus; + uint8_t TargetID; + uint8_t LUN; + uint8_t Function; + uint8_t CdbLength; + uint8_t sgcount; + uint8_t Flags; +#define ARCMSR_CDB_FLAG_SGL_BSIZE 0x01 +#define ARCMSR_CDB_FLAG_BIOS 0x02 +#define ARCMSR_CDB_FLAG_WRITE 0x04 +#define ARCMSR_CDB_FLAG_SIMPLEQ 0x00 +#define ARCMSR_CDB_FLAG_HEADQ 0x08 +#define ARCMSR_CDB_FLAG_ORDEREDQ 0x10 + + uint8_t msgPages; + uint32_t msgContext; + uint32_t DataLength; + uint8_t Cdb[16]; + uint8_t DeviceStatus; +#define ARCMSR_DEV_CHECK_CONDITION 0x02 +#define ARCMSR_DEV_SELECT_TIMEOUT 0xF0 +#define ARCMSR_DEV_ABORTED 0xF1 +#define ARCMSR_DEV_INIT_FAIL 0xF2 - uint8_t msgPages; - uint32_t msgContext; - uint32_t DataLength; - uint8_t Cdb[16]; - uint8_t DeviceStatus; -#define ARCMSR_DEV_CHECK_CONDITION 0x02 -#define ARCMSR_DEV_SELECT_TIMEOUT 0xF0 -#define ARCMSR_DEV_ABORTED 0xF1 -#define ARCMSR_DEV_INIT_FAIL 0xF2 - - uint8_t SenseData[15]; - union - { - struct SG32ENTRY sg32entry[1]; - struct SG64ENTRY sg64entry[1]; + uint8_t SenseData[15]; + union { + struct SG32ENTRY sg32entry[1]; + struct SG64ENTRY sg64entry[1]; } u; }; /* ******************************************************************************* -** Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) and Type B processor +** Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) ******************************************************************************* */ struct MessageUnit_A { - uint32_t resrved0[4]; /*0000 000F*/ - uint32_t inbound_msgaddr0; /*0010 0013*/ - uint32_t inbound_msgaddr1; /*0014 0017*/ - uint32_t outbound_msgaddr0; /*0018 001B*/ - uint32_t outbound_msgaddr1; /*001C 001F*/ - uint32_t inbound_doorbell; /*0020 0023*/ - uint32_t inbound_intstatus; /*0024 0027*/ - uint32_t inbound_intmask; /*0028 002B*/ - uint32_t outbound_doorbell; /*002C 002F*/ - uint32_t outbound_intstatus; /*0030 0033*/ - uint32_t outbound_intmask; /*0034 0037*/ - uint32_t reserved1[2]; /*0038 003F*/ - uint32_t inbound_queueport; /*0040 0043*/ - uint32_t outbound_queueport; /*0044 0047*/ - uint32_t reserved2[2]; /*0048 004F*/ - uint32_t reserved3[492]; /*0050 07FF 492*/ - uint32_t reserved4[128]; /*0800 09FF 128*/ - uint32_t message_rwbuffer[256]; /*0a00 0DFF 256*/ - uint32_t message_wbuffer[32]; /*0E00 0E7F 32*/ - uint32_t reserved5[32]; /*0E80 0EFF 32*/ - uint32_t message_rbuffer[32]; /*0F00 0F7F 32*/ - uint32_t reserved6[32]; /*0F80 0FFF 32*/ + uint32_t resrved0[4]; /*0000 000F*/ + uint32_t inbound_msgaddr0; /*0010 0013*/ + uint32_t inbound_msgaddr1; /*0014 0017*/ + uint32_t outbound_msgaddr0; /*0018 001B*/ + uint32_t outbound_msgaddr1; /*001C 001F*/ + uint32_t inbound_doorbell; /*0020 0023*/ + uint32_t inbound_intstatus; /*0024 0027*/ + uint32_t inbound_intmask; /*0028 002B*/ + uint32_t outbound_doorbell; /*002C 002F*/ + uint32_t outbound_intstatus; /*0030 0033*/ + uint32_t outbound_intmask; /*0034 0037*/ + uint32_t reserved1[2]; /*0038 003F*/ + uint32_t inbound_queueport; /*0040 0043*/ + uint32_t outbound_queueport; /*0044 0047*/ + uint32_t reserved2[2]; /*0048 004F*/ + uint32_t reserved3[492]; /*0050 07FF 492*/ + uint32_t reserved4[128]; /*0800 09FF 128*/ + uint32_t message_rwbuffer[256]; /*0a00 0DFF 256*/ + uint32_t message_wbuffer[32]; /*0E00 0E7F 32*/ + uint32_t reserved5[32]; /*0E80 0EFF 32*/ + uint32_t message_rbuffer[32]; /*0F00 0F7F 32*/ + uint32_t reserved6[32]; /*0F80 0FFF 32*/ }; - +/* +******************************************************************************* +** Messaging Unit (MU) of Type B processor +******************************************************************************* +*/ struct MessageUnit_B { - uint32_t post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE]; + uint32_t post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE]; volatile uint32_t done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE]; - uint32_t postq_index; + uint32_t postq_index; volatile uint32_t doneq_index; - uint32_t __iomem *drv2iop_doorbell; - uint32_t __iomem *drv2iop_doorbell_mask; - uint32_t __iomem *iop2drv_doorbell; - uint32_t __iomem *iop2drv_doorbell_mask; - uint32_t __iomem *message_rwbuffer; - uint32_t __iomem *message_wbuffer; - uint32_t __iomem *message_rbuffer; + uint32_t __iomem *drv2iop_doorbell; + uint32_t __iomem *drv2iop_doorbell_mask; + uint32_t __iomem *iop2drv_doorbell; + uint32_t __iomem *iop2drv_doorbell_mask; + uint32_t __iomem *message_rwbuffer; + uint32_t __iomem *message_wbuffer; + uint32_t __iomem *message_rbuffer; }; /* ********************************************************************* -** LSI +** Messaging Unit (MU) of Type C processor(LSI) ********************************************************************* */ -struct MessageUnit_C{ - uint32_t message_unit_status; /*0000 0003*/ - uint32_t slave_error_attribute; /*0004 0007*/ - uint32_t slave_error_address; /*0008 000B*/ - uint32_t posted_outbound_doorbell; /*000C 000F*/ - uint32_t master_error_attribute; /*0010 0013*/ - uint32_t master_error_address_low; /*0014 0017*/ - uint32_t master_error_address_high; /*0018 001B*/ - uint32_t hcb_size; /*001C 001F*/ - uint32_t inbound_doorbell; /*0020 0023*/ - uint32_t diagnostic_rw_data; /*0024 0027*/ - uint32_t diagnostic_rw_address_low; /*0028 002B*/ - uint32_t diagnostic_rw_address_high; /*002C 002F*/ - uint32_t host_int_status; /*0030 0033*/ - uint32_t host_int_mask; /*0034 0037*/ - uint32_t dcr_data; /*0038 003B*/ - uint32_t dcr_address; /*003C 003F*/ - uint32_t inbound_queueport; /*0040 0043*/ - uint32_t outbound_queueport; /*0044 0047*/ - uint32_t hcb_pci_address_low; /*0048 004B*/ - uint32_t hcb_pci_address_high; /*004C 004F*/ - uint32_t iop_int_status; /*0050 0053*/ - uint32_t iop_int_mask; /*0054 0057*/ - uint32_t iop_inbound_queue_port; /*0058 005B*/ - uint32_t iop_outbound_queue_port; /*005C 005F*/ - uint32_t inbound_free_list_index; /*0060 0063*/ - uint32_t inbound_post_list_index; /*0064 0067*/ - uint32_t outbound_free_list_index; /*0068 006B*/ - uint32_t outbound_post_list_index; /*006C 006F*/ - uint32_t inbound_doorbell_clear; /*0070 0073*/ - uint32_t i2o_message_unit_control; /*0074 0077*/ - uint32_t last_used_message_source_address_low; /*0078 007B*/ - uint32_t last_used_message_source_address_high; /*007C 007F*/ - uint32_t pull_mode_data_byte_count[4]; /*0080 008F*/ - uint32_t message_dest_address_index; /*0090 0093*/ - uint32_t done_queue_not_empty_int_counter_timer; /*0094 0097*/ - uint32_t utility_A_int_counter_timer; /*0098 009B*/ - uint32_t outbound_doorbell; /*009C 009F*/ - uint32_t outbound_doorbell_clear; /*00A0 00A3*/ - uint32_t message_source_address_index; /*00A4 00A7*/ - uint32_t message_done_queue_index; /*00A8 00AB*/ - uint32_t reserved0; /*00AC 00AF*/ - uint32_t inbound_msgaddr0; /*00B0 00B3*/ - uint32_t inbound_msgaddr1; /*00B4 00B7*/ - uint32_t outbound_msgaddr0; /*00B8 00BB*/ - uint32_t outbound_msgaddr1; /*00BC 00BF*/ - uint32_t inbound_queueport_low; /*00C0 00C3*/ - uint32_t inbound_queueport_high; /*00C4 00C7*/ - uint32_t outbound_queueport_low; /*00C8 00CB*/ - uint32_t outbound_queueport_high; /*00CC 00CF*/ - uint32_t iop_inbound_queue_port_low; /*00D0 00D3*/ - uint32_t iop_inbound_queue_port_high; /*00D4 00D7*/ - uint32_t iop_outbound_queue_port_low; /*00D8 00DB*/ - uint32_t iop_outbound_queue_port_high; /*00DC 00DF*/ - uint32_t message_dest_queue_port_low; /*00E0 00E3*/ - uint32_t message_dest_queue_port_high; /*00E4 00E7*/ - uint32_t last_used_message_dest_address_low; /*00E8 00EB*/ - uint32_t last_used_message_dest_address_high; /*00EC 00EF*/ - uint32_t message_done_queue_base_address_low; /*00F0 00F3*/ - uint32_t message_done_queue_base_address_high; /*00F4 00F7*/ - uint32_t host_diagnostic; /*00F8 00FB*/ - uint32_t write_sequence; /*00FC 00FF*/ - uint32_t reserved1[34]; /*0100 0187*/ - uint32_t reserved2[1950]; /*0188 1FFF*/ - uint32_t message_wbuffer[32]; /*2000 207F*/ - uint32_t reserved3[32]; /*2080 20FF*/ - uint32_t message_rbuffer[32]; /*2100 217F*/ - uint32_t reserved4[32]; /*2180 21FF*/ - uint32_t msgcode_rwbuffer[256]; /*2200 23FF*/ +struct MessageUnit_C { + uint32_t message_unit_status; /*0000 0003*/ + uint32_t slave_error_attribute; /*0004 0007*/ + uint32_t slave_error_address; /*0008 000B*/ + uint32_t posted_outbound_doorbell; /*000C 000F*/ + uint32_t master_error_attribute; /*0010 0013*/ + uint32_t master_error_address_low; /*0014 0017*/ + uint32_t master_error_address_high; /*0018 001B*/ + uint32_t hcb_size; /*001C 001F*/ + uint32_t inbound_doorbell; /*0020 0023*/ + uint32_t diagnostic_rw_data; /*0024 0027*/ + uint32_t diagnostic_rw_address_low; /*0028 002B*/ + uint32_t diagnostic_rw_address_high; /*002C 002F*/ + uint32_t host_int_status; /*0030 0033*/ + uint32_t host_int_mask; /*0034 0037*/ + uint32_t dcr_data; /*0038 003B*/ + uint32_t dcr_address; /*003C 003F*/ + uint32_t inbound_queueport; /*0040 0043*/ + uint32_t outbound_queueport; /*0044 0047*/ + uint32_t hcb_pci_address_low; /*0048 004B*/ + uint32_t hcb_pci_address_high; /*004C 004F*/ + uint32_t iop_int_status; /*0050 0053*/ + uint32_t iop_int_mask; /*0054 0057*/ + uint32_t iop_inbound_queue_port; /*0058 005B*/ + uint32_t iop_outbound_queue_port; /*005C 005F*/ + uint32_t inbound_free_list_index; /*0060 0063*/ + uint32_t inbound_post_list_index; /*0064 0067*/ + uint32_t outbound_free_list_index; /*0068 006B*/ + uint32_t outbound_post_list_index; /*006C 006F*/ + uint32_t inbound_doorbell_clear; /*0070 0073*/ + uint32_t i2o_message_unit_control; /*0074 0077*/ + uint32_t last_used_message_source_address_low; /*0078 007B*/ + uint32_t last_used_message_source_address_high; /*007C 007F*/ + uint32_t pull_mode_data_byte_count[4]; /*0080 008F*/ + uint32_t message_dest_address_index; /*0090 0093*/ + uint32_t done_queue_not_empty_int_counter_timer;/*0094 0097*/ + uint32_t utility_A_int_counter_timer; /*0098 009B*/ + uint32_t outbound_doorbell; /*009C 009F*/ + uint32_t outbound_doorbell_clear; /*00A0 00A3*/ + uint32_t message_source_address_index; /*00A4 00A7*/ + uint32_t message_done_queue_index; /*00A8 00AB*/ + uint32_t reserved0; /*00AC 00AF*/ + uint32_t inbound_msgaddr0; /*00B0 00B3*/ + uint32_t inbound_msgaddr1; /*00B4 00B7*/ + uint32_t outbound_msgaddr0; /*00B8 00BB*/ + uint32_t outbound_msgaddr1; /*00BC 00BF*/ + uint32_t inbound_queueport_low; /*00C0 00C3*/ + uint32_t inbound_queueport_high; /*00C4 00C7*/ + uint32_t outbound_queueport_low; /*00C8 00CB*/ + uint32_t outbound_queueport_high; /*00CC 00CF*/ + uint32_t iop_inbound_queue_port_low; /*00D0 00D3*/ + uint32_t iop_inbound_queue_port_high; /*00D4 00D7*/ + uint32_t iop_outbound_queue_port_low; /*00D8 00DB*/ + uint32_t iop_outbound_queue_port_high; /*00DC 00DF*/ + uint32_t message_dest_queue_port_low; /*00E0 00E3*/ + uint32_t message_dest_queue_port_high; /*00E4 00E7*/ + uint32_t last_used_message_dest_address_low; /*00E8 00EB*/ + uint32_t last_used_message_dest_address_high; /*00EC 00EF*/ + uint32_t message_done_queue_base_address_low; /*00F0 00F3*/ + uint32_t message_done_queue_base_address_high; /*00F4 00F7*/ + uint32_t host_diagnostic; /*00F8 00FB*/ + uint32_t write_sequence; /*00FC 00FF*/ + uint32_t reserved1[34]; /*0100 0187*/ + uint32_t reserved2[1950]; /*0188 1FFF*/ + uint32_t message_wbuffer[32]; /*2000 207F*/ + uint32_t reserved3[32]; /*2080 20FF*/ + uint32_t message_rbuffer[32]; /*2100 217F*/ + uint32_t reserved4[32]; /*2180 21FF*/ + uint32_t msgcode_rwbuffer[256]; /*2200 23FF*/ }; /* ******************************************************************************* @@ -501,107 +507,106 @@ struct MessageUnit_C{ */ struct AdapterControlBlock { - uint32_t adapter_type; /* adapter A,B..... */ - #define ACB_ADAPTER_TYPE_A 0x00000001 /* hba I IOP */ - #define ACB_ADAPTER_TYPE_B 0x00000002 /* hbb M IOP */ - #define ACB_ADAPTER_TYPE_C 0x00000004 /* hbc P IOP */ - #define ACB_ADAPTER_TYPE_D 0x00000008 /* hbd A IOP */ + uint32_t adapter_type; /* adapter A,B..... */ + #define ACB_ADAPTER_TYPE_A 0x00000001 /* hba I IOP */ + #define ACB_ADAPTER_TYPE_B 0x00000002 /* hbb M IOP */ + #define ACB_ADAPTER_TYPE_C 0x00000004 /* hbc P IOP */ + #define ACB_ADAPTER_TYPE_D 0x00000008 /* hbd A IOP */ u32 roundup_ccbsize; - struct pci_dev * pdev; - struct Scsi_Host * host; - unsigned long vir2phy_offset; + struct pci_dev *pdev; + struct Scsi_Host *host; + unsigned long vir2phy_offset; struct msix_entry entries[ARCMST_NUM_MSIX_VECTORS]; /* Offset is used in making arc cdb physical to virtual calculations */ - uint32_t outbound_int_enable; - uint32_t cdb_phyaddr_hi32; - uint32_t reg_mu_acc_handle0; - spinlock_t eh_lock; - spinlock_t ccblist_lock; - spinlock_t rqbuffer_lock; - spinlock_t wqbuffer_lock; + uint32_t outbound_int_enable; + uint32_t cdb_phyaddr_hi32; + spinlock_t eh_lock; + spinlock_t ccblist_lock; + spinlock_t rqbuffer_lock; + spinlock_t wqbuffer_lock; union { - struct MessageUnit_A __iomem *pmuA; - struct MessageUnit_B *pmuB; - struct MessageUnit_C __iomem *pmuC; + struct MessageUnit_A __iomem *pmuA; + struct MessageUnit_B *pmuB; + struct MessageUnit_C __iomem *pmuC; }; /* message unit ATU inbound base address0 */ void __iomem *mem_base0; void __iomem *mem_base1; uint32_t acb_flags; u16 dev_id; - uint8_t adapter_index; - #define ACB_F_SCSISTOPADAPTER 0x0001 - #define ACB_F_MSG_STOP_BGRB 0x0002 + uint8_t adapter_index; + #define ACB_F_SCSISTOPADAPTER 0x0001 + #define ACB_F_MSG_STOP_BGRB 0x0002 /* stop RAID background rebuild */ - #define ACB_F_MSG_START_BGRB 0x0004 + #define ACB_F_MSG_START_BGRB 0x0004 /* stop RAID background rebuild */ - #define ACB_F_IOPDATA_OVERFLOW 0x0008 + #define ACB_F_IOPDATA_OVERFLOW 0x0008 /* iop message data rqbuffer overflow */ #define ACB_F_MESSAGE_WQBUFFER_CLEARED 0x0010 /* message clear wqbuffer */ - #define ACB_F_MESSAGE_RQBUFFER_CLEARED 0x0020 + #define ACB_F_MESSAGE_RQBUFFER_CLEARED 0x0020 /* message clear rqbuffer */ - #define ACB_F_MESSAGE_WQBUFFER_READED 0x0040 - #define ACB_F_BUS_RESET 0x0080 - #define ACB_F_BUS_HANG_ON 0x0800/* need hardware reset bus */ + #define ACB_F_MESSAGE_WQBUFFER_READED 0x0040 + #define ACB_F_BUS_RESET 0x0080 + #define ACB_F_BUS_HANG_ON 0x0800 - #define ACB_F_IOP_INITED 0x0100 + #define ACB_F_IOP_INITED 0x0100 /* iop init */ #define ACB_F_ABORT 0x0200 - #define ACB_F_FIRMWARE_TRAP 0x0400 + #define ACB_F_FIRMWARE_TRAP 0x0400 #define ACB_F_MSI_ENABLED 0x1000 #define ACB_F_MSIX_ENABLED 0x2000 - struct CommandControlBlock * pccb_pool[ARCMSR_MAX_FREECCB_NUM]; + struct CommandControlBlock *pccb_pool[ARCMSR_MAX_FREECCB_NUM]; /* used for memory free */ - struct list_head ccb_free_list; + struct list_head ccb_free_list; /* head of free ccb list */ - atomic_t ccboutstandingcount; - /*The present outstanding command number that in the IOP that - waiting for being handled by FW*/ + atomic_t ccboutstandingcount; + /* The present outstanding command number that in the IOP that + waiting for being handled by FW */ - void * dma_coherent; + void *dma_coherent; /* dma_coherent used for memory free */ - dma_addr_t dma_coherent_handle; + dma_addr_t dma_coherent_handle; /* dma_coherent_handle used for memory free */ - dma_addr_t dma_coherent_handle2; - void *dma_coherent2; - unsigned int uncache_size; - uint8_t rqbuffer[ARCMSR_MAX_QBUFFER]; + dma_addr_t dma_coherent_handle2; + void *dma_coherent2; + unsigned int uncache_size; + uint8_t rqbuffer[ARCMSR_MAX_QBUFFER]; /* data collection buffer for read from 80331 */ - int32_t rqbuf_firstindex; + uint32_t rqbuf_firstindex; /* first of read buffer */ - int32_t rqbuf_lastindex; + uint32_t rqbuf_lastindex; /* last of read buffer */ - uint8_t wqbuffer[ARCMSR_MAX_QBUFFER]; + uint8_t wqbuffer[ARCMSR_MAX_QBUFFER]; /* data collection buffer for write to 80331 */ - int32_t wqbuf_firstindex; + uint32_t wqbuf_firstindex; /* first of write buffer */ - int32_t wqbuf_lastindex; + uint32_t wqbuf_lastindex; /* last of write buffer */ - uint8_t devstate[ARCMSR_MAX_TARGETID][ARCMSR_MAX_TARGETLUN]; + uint8_t devstate[ARCMSR_MAX_TARGETID][ARCMSR_MAX_TARGETLUN]; /* id0 ..... id15, lun0...lun7 */ -#define ARECA_RAID_GONE 0x55 -#define ARECA_RAID_GOOD 0xaa - uint32_t num_resets; - uint32_t num_aborts; - uint32_t signature; - uint32_t firm_request_len; - uint32_t firm_numbers_queue; - uint32_t firm_sdram_size; - uint32_t firm_hd_channels; - uint32_t firm_cfg_version; - char firm_model[12]; - char firm_version[20]; - char device_map[20]; /*21,84-99*/ - struct work_struct arcmsr_do_message_isr_bh; - struct timer_list eternal_timer; - unsigned short fw_flag; - #define FW_NORMAL 0x0000 - #define FW_BOG 0x0001 - #define FW_DEADLOCK 0x0010 - atomic_t rq_map_token; - atomic_t ante_token_value; + #define ARECA_RAID_GONE 0x55 + #define ARECA_RAID_GOOD 0xaa + uint32_t num_resets; + uint32_t num_aborts; + uint32_t signature; + uint32_t firm_request_len; + uint32_t firm_numbers_queue; + uint32_t firm_sdram_size; + uint32_t firm_hd_channels; + uint32_t firm_cfg_version; + char firm_model[12]; + char firm_version[20]; + char device_map[20]; /*21,84-99*/ + struct work_struct arcmsr_do_message_isr_bh; + struct timer_list eternal_timer; + unsigned short fw_flag; + #define FW_NORMAL 0x0000 + #define FW_BOG 0x0001 + #define FW_DEADLOCK 0x0010 + atomic_t rq_map_token; + atomic_t ante_token_value; uint32_t maxOutstanding; };/* HW_DEVICE_EXTENSION */ /* @@ -610,33 +615,33 @@ struct AdapterControlBlock ** this CCB length must be 32 bytes boundary ******************************************************************************* */ -struct CommandControlBlock{ - /*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/ - struct list_head list; /*x32: 8byte, x64: 16byte*/ - struct scsi_cmnd *pcmd; /*8 bytes pointer of linux scsi command */ - struct AdapterControlBlock *acb; /*x32: 4byte, x64: 8byte*/ - uint32_t cdb_phyaddr; /*x32: 4byte, x64: 4byte*/ - uint32_t arc_cdb_size; /*x32:4byte,x64:4byte*/ - uint16_t ccb_flags; /*x32: 2byte, x64: 2byte*/ - #define CCB_FLAG_READ 0x0000 - #define CCB_FLAG_WRITE 0x0001 - #define CCB_FLAG_ERROR 0x0002 - #define CCB_FLAG_FLUSHCACHE 0x0004 - #define CCB_FLAG_MASTER_ABORTED 0x0008 - uint16_t startdone; /*x32:2byte,x32:2byte*/ - #define ARCMSR_CCB_DONE 0x0000 - #define ARCMSR_CCB_START 0x55AA - #define ARCMSR_CCB_ABORTED 0xAA55 - #define ARCMSR_CCB_ILLEGAL 0xFFFF - #if BITS_PER_LONG == 64 +struct CommandControlBlock { +/*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/ + struct list_head list; + struct scsi_cmnd *pcmd; + struct AdapterControlBlock *acb; + uint32_t cdb_phyaddr; + uint32_t arc_cdb_size; + uint16_t ccb_flags; + #define CCB_FLAG_READ 0x0000 + #define CCB_FLAG_WRITE 0x0001 + #define CCB_FLAG_ERROR 0x0002 + #define CCB_FLAG_FLUSHCACHE 0x0004 + #define CCB_FLAG_MASTER_ABORTED 0x0008 + uint16_t startdone; + #define ARCMSR_CCB_DONE 0x0000 + #define ARCMSR_CCB_START 0x55AA + #define ARCMSR_CCB_ABORTED 0xAA55 + #define ARCMSR_CCB_ILLEGAL 0xFFFF +#if BITS_PER_LONG == 64 /* ======================512+64 bytes======================== */ - uint32_t reserved[5]; /*24 byte*/ - #else - /* ======================512+32 bytes======================== */ - uint32_t reserved; /*8 byte*/ - #endif - /* ======================================================= */ - struct ARCMSR_CDB arcmsr_cdb; + uint32_t reserved[5]; /*24 byte*/ +#else + /*======================512+32 bytes========================*/ + uint32_t reserved; /*8 byte*/ +#endif + /*=======================================================*/ + struct ARCMSR_CDB arcmsr_cdb; }; /* ******************************************************************************* @@ -645,53 +650,53 @@ struct CommandControlBlock{ */ struct SENSE_DATA { - uint8_t ErrorCode:7; + uint8_t ErrorCode:7; #define SCSI_SENSE_CURRENT_ERRORS 0x70 #define SCSI_SENSE_DEFERRED_ERRORS 0x71 - uint8_t Valid:1; - uint8_t SegmentNumber; - uint8_t SenseKey:4; - uint8_t Reserved:1; - uint8_t IncorrectLength:1; - uint8_t EndOfMedia:1; - uint8_t FileMark:1; - uint8_t Information[4]; - uint8_t AdditionalSenseLength; - uint8_t CommandSpecificInformation[4]; - uint8_t AdditionalSenseCode; - uint8_t AdditionalSenseCodeQualifier; - uint8_t FieldReplaceableUnitCode; - uint8_t SenseKeySpecific[3]; + uint8_t Valid:1; + uint8_t SegmentNumber; + uint8_t SenseKey:4; + uint8_t Reserved:1; + uint8_t IncorrectLength:1; + uint8_t EndOfMedia:1; + uint8_t FileMark:1; + uint8_t Information[4]; + uint8_t AdditionalSenseLength; + uint8_t CommandSpecificInformation[4]; + uint8_t AdditionalSenseCode; + uint8_t AdditionalSenseCodeQualifier; + uint8_t FieldReplaceableUnitCode; + uint8_t SenseKeySpecific[3]; }; /* ******************************************************************************* ** Outbound Interrupt Status Register - OISR ******************************************************************************* */ -#define ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG 0x30 -#define ARCMSR_MU_OUTBOUND_PCI_INT 0x10 -#define ARCMSR_MU_OUTBOUND_POSTQUEUE_INT 0x08 -#define ARCMSR_MU_OUTBOUND_DOORBELL_INT 0x04 -#define ARCMSR_MU_OUTBOUND_MESSAGE1_INT 0x02 -#define ARCMSR_MU_OUTBOUND_MESSAGE0_INT 0x01 -#define ARCMSR_MU_OUTBOUND_HANDLE_INT \ - (ARCMSR_MU_OUTBOUND_MESSAGE0_INT \ - |ARCMSR_MU_OUTBOUND_MESSAGE1_INT \ - |ARCMSR_MU_OUTBOUND_DOORBELL_INT \ - |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT \ - |ARCMSR_MU_OUTBOUND_PCI_INT) +#define ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG 0x30 +#define ARCMSR_MU_OUTBOUND_PCI_INT 0x10 +#define ARCMSR_MU_OUTBOUND_POSTQUEUE_INT 0x08 +#define ARCMSR_MU_OUTBOUND_DOORBELL_INT 0x04 +#define ARCMSR_MU_OUTBOUND_MESSAGE1_INT 0x02 +#define ARCMSR_MU_OUTBOUND_MESSAGE0_INT 0x01 +#define ARCMSR_MU_OUTBOUND_HANDLE_INT \ + (ARCMSR_MU_OUTBOUND_MESSAGE0_INT \ + |ARCMSR_MU_OUTBOUND_MESSAGE1_INT \ + |ARCMSR_MU_OUTBOUND_DOORBELL_INT \ + |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT \ + |ARCMSR_MU_OUTBOUND_PCI_INT) /* ******************************************************************************* ** Outbound Interrupt Mask Register - OIMR ******************************************************************************* */ -#define ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG 0x34 -#define ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE 0x10 -#define ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE 0x08 -#define ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE 0x04 -#define ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE 0x02 -#define ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE 0x01 -#define ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE 0x1F +#define ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG 0x34 +#define ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE 0x10 +#define ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE 0x08 +#define ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE 0x04 +#define ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE 0x02 +#define ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE 0x01 +#define ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE 0x1F extern void arcmsr_write_ioctldata2iop(struct AdapterControlBlock *); extern uint32_t arcmsr_Read_iop_rqbuffer_data(struct AdapterControlBlock *, @@ -701,4 +706,3 @@ extern struct QBUFFER __iomem *arcmsr_ge extern struct device_attribute *arcmsr_host_attrs[]; extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *); void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb); - diff -uprN a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c --- a/drivers/scsi/arcmsr/arcmsr_hba.c 2014-02-20 19:10:08.000000000 +0800 +++ b/drivers/scsi/arcmsr/arcmsr_hba.c 2014-02-20 19:11:05.000000000 +0800 @@ -2,11 +2,10 @@ ******************************************************************************* ** O.S : Linux ** FILE NAME : arcmsr_hba.c -** BY : Nick Cheng -** Description: SCSI RAID Device Driver for -** ARECA RAID Host adapter +** BY : Nick Cheng, C.L. Huang +** Description: SCSI RAID Device Driver for Areca RAID Controller ******************************************************************************* -** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved +** Copyright (C) 2002 - 2013, Areca Technology Corporation All rights reserved ** ** Web site: www.areca.com.tw ** E-mail: support@xxxxxxxxxxxx @@ -70,13 +69,13 @@ #include <scsi/scsi_transport.h> #include <scsi/scsicam.h> #include "arcmsr.h" -MODULE_AUTHOR("Nick Cheng <support@xxxxxxxxxxxx>"); -MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx/1880) SATA/SAS RAID Host Bus Adapter"); +MODULE_AUTHOR("Nick Cheng, Ching Huang <support@xxxxxxxxxxxx>"); +MODULE_DESCRIPTION("Areca ARC11xx/12xx/16xx/188x SAS/SATA RAID Controller Driver"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_VERSION(ARCMSR_DRIVER_VERSION); -#define ARCMSR_SLEEPTIME 10 -#define ARCMSR_RETRYCOUNT 12 +#define ARCMSR_SLEEPTIME 10 +#define ARCMSR_RETRYCOUNT 12 static wait_queue_head_t wait_q; static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, @@ -98,19 +97,14 @@ static u32 arcmsr_disable_outbound_ints( static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, u32 intmask_org); static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb); -static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb); -static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb); static void arcmsr_request_device_map(unsigned long pacb); -static void arcmsr_hbaA_request_device_map(struct AdapterControlBlock *acb); -static void arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb); -static void arcmsr_hbaC_request_device_map(struct AdapterControlBlock *acb); static void arcmsr_message_isr_bh_fn(struct work_struct *work); static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb); static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb); static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *pACB); -static void arcmsr_hardware_reset(struct AdapterControlBlock *acb); static const char *arcmsr_info(struct Scsi_Host *); static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb); + static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth, int reason) { @@ -125,23 +119,21 @@ static int arcmsr_adjust_disk_queue_dept static struct scsi_host_template arcmsr_scsi_host_template = { .module = THIS_MODULE, - .name = "ARCMSR ARECA SATA/SAS RAID Controller" - ARCMSR_DRIVER_VERSION, + .name = "Areca SAS/SATA RAID driver", .info = arcmsr_info, .queuecommand = arcmsr_queue_command, - .eh_abort_handler = arcmsr_abort, + .eh_abort_handler = arcmsr_abort, .eh_bus_reset_handler = arcmsr_bus_reset, .bios_param = arcmsr_bios_param, .change_queue_depth = arcmsr_adjust_disk_queue_depth, .can_queue = ARCMSR_MAX_FREECCB_NUM, - .this_id = ARCMSR_SCSI_INITIATOR_ID, - .sg_tablesize = ARCMSR_DEFAULT_SG_ENTRIES, - .max_sectors = ARCMSR_MAX_XFER_SECTORS_C, + .this_id = ARCMSR_SCSI_INITIATOR_ID, .cmd_per_lun = ARCMSR_MAX_CMD_PERLUN, .use_clustering = ENABLE_CLUSTERING, .shost_attrs = arcmsr_host_attrs, .no_write_same = 1, }; + static struct pci_device_id arcmsr_device_id_table[] = { {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1120)}, @@ -164,6 +156,7 @@ static struct pci_device_id arcmsr_devic {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1880)}, {0, 0}, /* Terminating entry */ }; + MODULE_DEVICE_TABLE(pci, arcmsr_device_id_table); static struct pci_driver arcmsr_pci_driver = { .name = "arcmsr", @@ -178,7 +171,6 @@ static struct pci_driver arcmsr_pci_driv **************************************************************************** **************************************************************************** */ - static void arcmsr_free_mu(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { @@ -193,40 +185,51 @@ static void arcmsr_free_mu(struct Adapte static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb) { struct pci_dev *pdev = acb->pdev; - switch (acb->adapter_type){ - case ACB_ADAPTER_TYPE_A:{ - acb->pmuA = ioremap(pci_resource_start(pdev,0), pci_resource_len(pdev,0)); + + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + acb->pmuA = ioremap(pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); if (!acb->pmuA) { - printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + pr_notice("arcmsr%d: memory mapping " + "region fail\n", acb->host->host_no); return false; } break; } - case ACB_ADAPTER_TYPE_B:{ + case ACB_ADAPTER_TYPE_B: { void __iomem *mem_base0, *mem_base1; - mem_base0 = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); + mem_base0 = ioremap(pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); if (!mem_base0) { - printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + pr_notice("arcmsr%d: memory mapping " + "region fail\n", acb->host->host_no); return false; } - mem_base1 = ioremap(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2)); + mem_base1 = ioremap(pci_resource_start(pdev, 2), + pci_resource_len(pdev, 2)); if (!mem_base1) { iounmap(mem_base0); - printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + pr_notice("arcmsr%d: memory mapping " + "region fail\n", acb->host->host_no); return false; } acb->mem_base0 = mem_base0; acb->mem_base1 = mem_base1; break; } - case ACB_ADAPTER_TYPE_C:{ - acb->pmuC = ioremap_nocache(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1)); + case ACB_ADAPTER_TYPE_C: { + acb->pmuC = ioremap_nocache(pci_resource_start(pdev, 1), + pci_resource_len(pdev, 1)); if (!acb->pmuC) { - printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + pr_notice("arcmsr%d: memory mapping " + "region fail\n", acb->host->host_no); return false; } - if (readl(&acb->pmuC->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { - writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &acb->pmuC->outbound_doorbell_clear);/*clear interrupt*/ + if (readl(&acb->pmuC->outbound_doorbell) & + ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, + &acb->pmuC->outbound_doorbell_clear); return true; } break; @@ -238,19 +241,16 @@ static bool arcmsr_remap_pciregion(struc static void arcmsr_unmap_pciregion(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A:{ + case ACB_ADAPTER_TYPE_A: iounmap(acb->pmuA); - } - break; - case ACB_ADAPTER_TYPE_B:{ + break; + case ACB_ADAPTER_TYPE_B: iounmap(acb->mem_base0); iounmap(acb->mem_base1); - } - - break; - case ACB_ADAPTER_TYPE_C:{ + break; + case ACB_ADAPTER_TYPE_C: iounmap(acb->pmuC); - } + break; } } @@ -267,7 +267,7 @@ static int arcmsr_bios_param(struct scsi struct block_device *bdev, sector_t capacity, int *geom) { int ret, heads, sectors, cylinders, total_capacity; - unsigned char *buffer;/* return copy of block device's partition table */ + unsigned char *buffer; buffer = scsi_bios_ptable(bdev); if (buffer) { @@ -331,7 +331,8 @@ arcmsr_define_adapter_type(struct Adapte return true; } -static uint8_t arcmsr_hbaA_wait_msgint_ready(struct AdapterControlBlock *acb) +static bool +arcmsr_hbaA_wait_msgint_ready(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; int i; @@ -345,11 +346,11 @@ static uint8_t arcmsr_hbaA_wait_msgint_r } msleep(10); } /* max 20 seconds */ - return false; } -static uint8_t arcmsr_hbaB_wait_msgint_ready(struct AdapterControlBlock *acb) +static bool +arcmsr_hbaB_wait_msgint_ready(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; int i; @@ -358,104 +359,112 @@ static uint8_t arcmsr_hbaB_wait_msgint_r if (readl(reg->iop2drv_doorbell) & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) { writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, - reg->iop2drv_doorbell); + reg->iop2drv_doorbell); writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, - reg->drv2iop_doorbell); + reg->drv2iop_doorbell); return true; } msleep(10); } /* max 20 seconds */ - return false; } -static uint8_t arcmsr_hbaC_wait_msgint_ready(struct AdapterControlBlock *pACB) +static bool +arcmsr_hbaC_wait_msgint_ready(struct AdapterControlBlock *pACB) { struct MessageUnit_C __iomem *phbcmu = pACB->pmuC; int i; for (i = 0; i < 2000; i++) { if (readl(&phbcmu->outbound_doorbell) - & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, - &phbcmu->outbound_doorbell_clear); /*clear interrupt*/ + &phbcmu->outbound_doorbell_clear); return true; } msleep(10); } /* max 20 seconds */ - return false; } -static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb) +static void +arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; int retry_count = 30; + writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0); do { if (arcmsr_hbaA_wait_msgint_ready(acb)) break; else { retry_count--; - printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ - timeout, retry count down = %d \n", acb->host->host_no, retry_count); + pr_notice("arcmsr%d: wait 'flush adapter " + "cache' timeout, retry count down = %d\n", + acb->host->host_no, retry_count); } } while (retry_count != 0); } -static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb) +static void +arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; int retry_count = 30; + writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell); do { if (arcmsr_hbaB_wait_msgint_ready(acb)) break; else { retry_count--; - printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ - timeout,retry count down = %d \n", acb->host->host_no, retry_count); + pr_notice("arcmsr%d: wait 'flush adapter " + "cache' timeout, retry count down = %d\n", + acb->host->host_no, retry_count); } } while (retry_count != 0); } -static void arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB) +static void +arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB) { struct MessageUnit_C __iomem *reg = pACB->pmuC; - int retry_count = 30;/* enlarge wait flush adapter cache time: 10 minute */ + int retry_count = 6; + writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0); writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + readl(®->inbound_doorbell); + readl(®->inbound_msgaddr0); do { - if (arcmsr_hbaC_wait_msgint_ready(pACB)) { + if (arcmsr_hbaC_wait_msgint_ready(pACB)) break; - } else { + else { retry_count--; - printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ - timeout,retry count down = %d \n", pACB->host->host_no, retry_count); + pr_notice("arcmsr%d: wait 'flush adapter " + "cache' timeout, retry count down = %d\n", + pACB->host->host_no, retry_count); } } while (retry_count != 0); - return; } -static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) + +static void +arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { - - case ACB_ADAPTER_TYPE_A: { + case ACB_ADAPTER_TYPE_A: arcmsr_hbaA_flush_cache(acb); - } break; - - case ACB_ADAPTER_TYPE_B: { + case ACB_ADAPTER_TYPE_B: arcmsr_hbaB_flush_cache(acb); - } break; - case ACB_ADAPTER_TYPE_C: { + case ACB_ADAPTER_TYPE_C: arcmsr_hbaC_flush_cache(acb); - } + break; } } -static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) +static int +arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) { struct pci_dev *pdev = acb->pdev; void *dma_coherent; @@ -468,41 +477,55 @@ static int arcmsr_alloc_ccb_pool(struct unsigned long max_sg_entrys; uint32_t firm_config_version; - for (i = 0; i < ARCMSR_MAX_TARGETID; i++) - for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) - acb->devstate[i][j] = ARECA_RAID_GONE; - max_xfer_len = ARCMSR_MAX_XFER_LEN; max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES; firm_config_version = acb->firm_cfg_version; - if((firm_config_version & 0xFF) >= 3){ - max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 4M byte */ - max_sg_entrys = (max_xfer_len/4096); + if ((firm_config_version & 0xFF) >= 3) { + max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << + ((firm_config_version >> 8) & 0xFF)) * 1024; + max_sg_entrys = (max_xfer_len / 4096); } - acb->host->max_sectors = max_xfer_len/512; + acb->host->max_sectors = max_xfer_len / 512; acb->host->sg_tablesize = max_sg_entrys; - roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32); + roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + + (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32); acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM; - dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, &dma_coherent_handle, GFP_KERNEL); - if(!dma_coherent){ - printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error\n", acb->host->host_no); + dma_coherent = dma_alloc_coherent(&pdev->dev, + acb->uncache_size, &dma_coherent_handle, GFP_KERNEL); + if (!dma_coherent) { + pr_notice("arcmsr%d: dma_alloc_coherent got error\n", + acb->host->host_no); return -ENOMEM; } + memset(dma_coherent, 0, acb->uncache_size); acb->dma_coherent = dma_coherent; acb->dma_coherent_handle = dma_coherent_handle; - memset(dma_coherent, 0, acb->uncache_size); - ccb_tmp = dma_coherent; - acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle; - for(i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++){ - cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb); - ccb_tmp->cdb_phyaddr = ((acb->adapter_type == ACB_ADAPTER_TYPE_C) ? cdb_phyaddr : (cdb_phyaddr >> 5)); + ccb_tmp = (struct CommandControlBlock *)dma_coherent; + acb->vir2phy_offset = (unsigned long)dma_coherent - + (unsigned long)dma_coherent_handle; + for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { + cdb_phyaddr = dma_coherent_handle + + offsetof(struct CommandControlBlock, arcmsr_cdb); + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: + case ACB_ADAPTER_TYPE_B: + ccb_tmp->cdb_phyaddr = cdb_phyaddr >> 5; + break; + case ACB_ADAPTER_TYPE_C: + ccb_tmp->cdb_phyaddr = cdb_phyaddr; + break; + } acb->pccb_pool[i] = ccb_tmp; ccb_tmp->acb = acb; INIT_LIST_HEAD(&ccb_tmp->list); list_add_tail(&ccb_tmp->list, &acb->ccb_free_list); - ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize); + ccb_tmp = (struct CommandControlBlock *) + ((unsigned long)ccb_tmp + roundup_ccbsize); dma_coherent_handle = dma_coherent_handle + roundup_ccbsize; } + for (i = 0; i < ARCMSR_MAX_TARGETID; i++) + for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) + acb->devstate[i][j] = ARECA_RAID_GONE; return 0; } @@ -611,6 +634,7 @@ arcmsr_resume(struct pci_dev *pdev) struct AdapterControlBlock *acb = (struct AdapterControlBlock *)host->hostdata; struct msix_entry entries[ARCMST_NUM_MSIX_VECTORS]; + pci_set_power_state(pdev, PCI_D0); pci_enable_wake(pdev, PCI_D0, 0); pci_restore_state(pdev); @@ -694,19 +718,20 @@ static int arcmsr_probe(struct pci_dev * uint8_t bus, dev_fun; struct msix_entry entries[ARCMST_NUM_MSIX_VECTORS]; int error, i, j; + error = pci_enable_device(pdev); if (error) return -ENODEV; - host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof(struct AdapterControlBlock)); + host = scsi_host_alloc(&arcmsr_scsi_host_template, + sizeof(struct AdapterControlBlock)); if (!host) - goto pci_disable_dev; + goto pci_disable_dev; error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); if (error) { error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); if (error) { - printk(KERN_WARNING - "scsi%d: No suitable DMA mask available\n", - host->host_no); + pr_warn("scsi%d: No suitable DMA mask available\n", + host->host_no); goto scsi_host_release; } } @@ -718,10 +743,10 @@ static int arcmsr_probe(struct pci_dev * acb->pdev = pdev; acb->host = host; host->max_lun = ARCMSR_MAX_TARGETLUN; - host->max_id = ARCMSR_MAX_TARGETID; /*16:8*/ - host->max_cmd_len = 16; /*this is issue of 64bit LBA ,over 2T byte*/ - host->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */ - host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN; + host->max_id = ARCMSR_MAX_TARGETID; + host->max_cmd_len = 16; + host->can_queue = ARCMSR_MAX_FREECCB_NUM; + host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN; host->this_id = ARCMSR_SCSI_INITIATOR_ID; host->unique_id = (bus << 8) | dev_fun; pci_set_drvdata(pdev, host); @@ -800,10 +825,10 @@ static int arcmsr_probe(struct pci_dev * acb->fw_flag = FW_NORMAL; init_timer(&acb->eternal_timer); acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ); - acb->eternal_timer.data = (unsigned long) acb; + acb->eternal_timer.data = (unsigned long)acb; acb->eternal_timer.function = &arcmsr_request_device_map; add_timer(&acb->eternal_timer); - if(arcmsr_alloc_sysfs_attr(acb)) + if (arcmsr_alloc_sysfs_attr(acb)) goto out_free_sysfs; return 0; out_free_sysfs: @@ -830,89 +855,84 @@ pci_disable_dev: return -ENODEV; } -static uint8_t arcmsr_hbaA_abort_allcmd(struct AdapterControlBlock *acb) +static uint8_t +arcmsr_hbaA_abort_allcmd(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; + writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0); if (!arcmsr_hbaA_wait_msgint_ready(acb)) { - printk(KERN_NOTICE - "arcmsr%d: wait 'abort all outstanding command' timeout \n" - , acb->host->host_no); + pr_notice("arcmsr%d: wait 'abort all outstanding " + "command' timeout\n", acb->host->host_no); return false; } return true; } -static uint8_t arcmsr_hbaB_abort_allcmd(struct AdapterControlBlock *acb) +static uint8_t +arcmsr_hbaB_abort_allcmd(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell); if (!arcmsr_hbaB_wait_msgint_ready(acb)) { - printk(KERN_NOTICE - "arcmsr%d: wait 'abort all outstanding command' timeout \n" - , acb->host->host_no); + pr_notice("arcmsr%d: wait 'abort all outstanding " + "command' timeout\n", acb->host->host_no); return false; } return true; } -static uint8_t arcmsr_hbaC_abort_allcmd(struct AdapterControlBlock *pACB) + +static uint8_t +arcmsr_hbaC_abort_allcmd(struct AdapterControlBlock *pACB) { struct MessageUnit_C __iomem *reg = pACB->pmuC; + writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0); writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); if (!arcmsr_hbaC_wait_msgint_ready(pACB)) { - printk(KERN_NOTICE - "arcmsr%d: wait 'abort all outstanding command' timeout \n" - , pACB->host->host_no); + pr_notice("arcmsr%d: wait 'abort all outstanding " + "command' timeout\n", pACB->host->host_no); return false; } return true; } -static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb) + +static uint8_t +arcmsr_abort_allcmd(struct AdapterControlBlock *acb) { uint8_t rtnval = 0; + switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { + case ACB_ADAPTER_TYPE_A: rtnval = arcmsr_hbaA_abort_allcmd(acb); - } break; - case ACB_ADAPTER_TYPE_B: { + case ACB_ADAPTER_TYPE_B: rtnval = arcmsr_hbaB_abort_allcmd(acb); - } break; - case ACB_ADAPTER_TYPE_C: { + case ACB_ADAPTER_TYPE_C: rtnval = arcmsr_hbaC_abort_allcmd(acb); - } + break; } return rtnval; } -static bool arcmsr_hbaB_enable_driver_mode(struct AdapterControlBlock *pacb) -{ - struct MessageUnit_B *reg = pacb->pmuB; - writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell); - if (!arcmsr_hbaB_wait_msgint_ready(pacb)) { - printk(KERN_ERR "arcmsr%d: can't set driver mode. \n", pacb->host->host_no); - return false; - } - return true; -} - -static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) +static void +arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) { struct scsi_cmnd *pcmd = ccb->pcmd; - scsi_dma_unmap(pcmd); } -static void arcmsr_ccb_complete(struct CommandControlBlock *ccb) +static void +arcmsr_ccb_complete(struct CommandControlBlock *ccb) { struct AdapterControlBlock *acb = ccb->acb; struct scsi_cmnd *pcmd = ccb->pcmd; unsigned long flags; + atomic_dec(&acb->ccboutstandingcount); arcmsr_pci_unmap_dma(ccb); ccb->startdone = ARCMSR_CCB_DONE; @@ -922,33 +942,39 @@ static void arcmsr_ccb_complete(struct C pcmd->scsi_done(pcmd); } -static void arcmsr_report_sense_info(struct CommandControlBlock *ccb) +static void +arcmsr_report_sense_info(struct CommandControlBlock *ccb) { struct scsi_cmnd *pcmd = ccb->pcmd; - struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer; + struct SENSE_DATA *sensebuffer = + (struct SENSE_DATA *)pcmd->sense_buffer; + pcmd->result = (DID_OK << 16) | (CHECK_CONDITION << 1); if (sensebuffer) { int sense_data_length = sizeof(struct SENSE_DATA) < SCSI_SENSE_BUFFERSIZE ? sizeof(struct SENSE_DATA) : SCSI_SENSE_BUFFERSIZE; memset(sensebuffer, 0, SCSI_SENSE_BUFFERSIZE); - memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length); + memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, + sense_data_length); sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS; sensebuffer->Valid = 1; pcmd->result |= (DRIVER_SENSE << 24); } } -static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) +static u32 +arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) { u32 orig_mask = 0; + switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A : { struct MessageUnit_A __iomem *reg = acb->pmuA; orig_mask = readl(®->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 : { @@ -957,21 +983,25 @@ static u32 arcmsr_disable_outbound_ints( writel(0, reg->iop2drv_doorbell_mask); } break; - case ACB_ADAPTER_TYPE_C:{ + case ACB_ADAPTER_TYPE_C: { struct MessageUnit_C __iomem *reg = acb->pmuC; /* disable all outbound interrupt */ - orig_mask = readl(®->host_int_mask); /* disable outbound message0 int */ - writel(orig_mask|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask); + orig_mask = readl(®->host_int_mask); + writel(orig_mask | ARCMSR_HBCMU_ALL_INTMASKENABLE, + ®->host_int_mask); + readl(®->host_int_mask); } break; } return orig_mask; } -static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, +static void +arcmsr_report_ccb_state(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb, bool error) { uint8_t id, lun; + id = ccb->pcmd->device->id; lun = ccb->pcmd->device->lun; if (!error) { @@ -979,7 +1009,7 @@ static void arcmsr_report_ccb_state(stru acb->devstate[id][lun] = ARECA_RAID_GOOD; ccb->pcmd->result = DID_OK << 16; arcmsr_ccb_complete(ccb); - }else{ + } else { switch (ccb->arcmsr_cdb.DeviceStatus) { case ARCMSR_DEV_SELECT_TIMEOUT: { acb->devstate[id][lun] = ARECA_RAID_GONE; @@ -989,7 +1019,6 @@ static void arcmsr_report_ccb_state(stru break; case ARCMSR_DEV_ABORTED: - case ARCMSR_DEV_INIT_FAIL: { acb->devstate[id][lun] = ARECA_RAID_GONE; ccb->pcmd->result = DID_BAD_TARGET << 16; @@ -1005,89 +1034,87 @@ static void arcmsr_report_ccb_state(stru break; default: - printk(KERN_NOTICE - "arcmsr%d: scsi id = %d lun = %d isr get command error done, \ - but got unknown DeviceStatus = 0x%x \n" - , acb->host->host_no - , id - , lun + pr_notice("arcmsr%d: scsi id = %d lun = %d " + "isr get command error done, but got unknown " + "DeviceStatus = 0x%x\n" + , acb->host->host_no, id, lun , ccb->arcmsr_cdb.DeviceStatus); - acb->devstate[id][lun] = ARECA_RAID_GONE; - ccb->pcmd->result = DID_NO_CONNECT << 16; - arcmsr_ccb_complete(ccb); + acb->devstate[id][lun] = ARECA_RAID_GONE; + ccb->pcmd->result = DID_NO_CONNECT << 16; + arcmsr_ccb_complete(ccb); break; } } } -static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct CommandControlBlock *pCCB, bool error) +static void +arcmsr_drain_donequeue(struct AdapterControlBlock *acb, + struct CommandControlBlock *pCCB, bool error) { - int id, lun; if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) { - if (pCCB->startdone == ARCMSR_CCB_ABORTED) { - struct scsi_cmnd *abortcmd = pCCB->pcmd; - if (abortcmd) { - id = abortcmd->device->id; - lun = abortcmd->device->lun; - abortcmd->result |= DID_ABORT << 16; - arcmsr_ccb_complete(pCCB); - printk(KERN_NOTICE "arcmsr%d: pCCB ='0x%p' isr got aborted command \n", - acb->host->host_no, pCCB); - } - return; - } - printk(KERN_NOTICE "arcmsr%d: isr get an illegal ccb command \ - done acb = '0x%p'" - "ccb = '0x%p' ccbacb = '0x%p' startdone = 0x%x" - " ccboutstandingcount = %d \n" - , acb->host->host_no - , acb - , pCCB - , pCCB->acb - , pCCB->startdone - , atomic_read(&acb->ccboutstandingcount)); - return; + pr_notice("arcmsr%d: isr get an illegal ccb " + "command done acb = 0x%p, " + "ccb = 0x%p, " + "ccbacb = 0x%p, " + "startdone = 0x%x, " + "pscsi_cmd = 0x%p, " + "ccboutstandingcount = %d\n" + , acb->host->host_no + , acb + , pCCB + , pCCB->acb + , pCCB->startdone + , pCCB->pcmd + , atomic_read(&acb->ccboutstandingcount)); + return; } arcmsr_report_ccb_state(acb, pCCB, error); } -static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb) +static void +arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb) { int i = 0; uint32_t flag_ccb; struct ARCMSR_CDB *pARCMSR_CDB; bool error; struct CommandControlBlock *pCCB; - switch (acb->adapter_type) { + switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; uint32_t outbound_intstatus; outbound_intstatus = readl(®->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); } } break; - case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; - /*clear all outbound posted Q*/ - writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); /* clear doorbell interrupt */ + writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, + reg->iop2drv_doorbell); for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) { flag_ccb = reg->done_qbuffer[i]; if (flag_ccb != 0) { reg->done_qbuffer[i] = 0; - pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/ - pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); - error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + pARCMSR_CDB = (struct ARCMSR_CDB *) + (acb->vir2phy_offset + (flag_ccb << 5)); + pCCB = container_of(pARCMSR_CDB, + struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & + ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? + true : false; arcmsr_drain_donequeue(acb, pCCB, error); } reg->post_qbuffer[i] = 0; @@ -1098,28 +1125,36 @@ static void arcmsr_done4abort_postqueue( break; case ACB_ADAPTER_TYPE_C: { struct MessageUnit_C __iomem *reg = acb->pmuC; - struct ARCMSR_CDB *pARCMSR_CDB; - uint32_t flag_ccb, ccb_cdb_phy; + uint32_t ccb_cdb_phy; bool error; struct CommandControlBlock *pCCB; - while ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { + while ((readl(®->host_int_status) & + ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) + && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { /*need to do*/ flag_ccb = readl(®->outbound_queueport_low); ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); - pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+ccb_cdb_phy);/*frame must be 32 bytes aligned*/ - pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); - error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; + pARCMSR_CDB = (struct ARCMSR_CDB *) + (acb->vir2phy_offset+ccb_cdb_phy); + pCCB = container_of(pARCMSR_CDB, + struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) + ? true : false; arcmsr_drain_donequeue(acb, pCCB, error); } - } + } + break; } } -static void arcmsr_remove(struct pci_dev *pdev) + +static void +arcmsr_remove(struct pci_dev *pdev) { struct Scsi_Host *host = pci_get_drvdata(pdev); struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; + (struct AdapterControlBlock *)host->hostdata; int poll_count = 0, i; + arcmsr_free_sysfs_attr(acb); scsi_remove_host(host); flush_work(&acb->arcmsr_do_message_isr_bh); @@ -1130,10 +1165,11 @@ static void arcmsr_remove(struct pci_dev acb->acb_flags |= ACB_F_SCSISTOPADAPTER; acb->acb_flags &= ~ACB_F_IOP_INITED; - for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++){ + for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; + poll_count++) { if (!atomic_read(&acb->ccboutstandingcount)) break; - arcmsr_interrupt(acb);/* FIXME: need spinlock */ + arcmsr_interrupt(acb); msleep(25); } @@ -1149,6 +1185,8 @@ static void arcmsr_remove(struct pci_dev } } } + arcmsr_free_ccb_pool(acb); + arcmsr_free_mu(acb); if (acb->acb_flags & ACB_F_MSI_ENABLED) { free_irq(pdev->irq, acb); pci_disable_msi(pdev); @@ -1158,20 +1196,20 @@ static void arcmsr_remove(struct pci_dev pci_disable_msix(pdev); } else free_irq(pdev->irq, acb); - arcmsr_free_ccb_pool(acb); - arcmsr_free_mu(acb); arcmsr_unmap_pciregion(acb); pci_release_regions(pdev); scsi_host_put(host); pci_disable_device(pdev); } -static void arcmsr_shutdown(struct pci_dev *pdev) +static void +arcmsr_shutdown(struct pci_dev *pdev) { int i; struct Scsi_Host *host = pci_get_drvdata(pdev); struct AdapterControlBlock *acb = (struct AdapterControlBlock *)host->hostdata; + del_timer_sync(&acb->eternal_timer); arcmsr_disable_outbound_ints(acb); if (acb->acb_flags & ACB_F_MSIX_ENABLED) { @@ -1191,6 +1229,7 @@ static void arcmsr_shutdown(struct pci_d static int arcmsr_module_init(void) { int error = 0; + error = pci_register_driver(&arcmsr_pci_driver); return error; } @@ -1199,25 +1238,26 @@ static void arcmsr_module_exit(void) { pci_unregister_driver(&arcmsr_pci_driver); } + module_init(arcmsr_module_init); module_exit(arcmsr_module_exit); -static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, - u32 intmask_org) +static void +arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, u32 intmask_org) { u32 mask; - switch (acb->adapter_type) { + switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; - mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE | - ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE| - ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE); + mask = intmask_org & + ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE | + ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE | + ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE); writel(mask, ®->outbound_intmask); acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff; - } break; - + } case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK | @@ -1226,36 +1266,39 @@ static void arcmsr_enable_outbound_ints( ARCMSR_IOP2DRV_MESSAGE_CMD_DONE); writel(mask, reg->iop2drv_doorbell_mask); acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f; - } break; + } case ACB_ADAPTER_TYPE_C: { struct MessageUnit_C __iomem *reg = acb->pmuC; - mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK|ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK); + mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK | + ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK | + ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK); writel(intmask_org & mask, ®->host_int_mask); acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f; + break; } } } -static int arcmsr_build_ccb(struct AdapterControlBlock *acb, +static int +arcmsr_build_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb, struct scsi_cmnd *pcmd) { - struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; - int8_t *psge = (int8_t *)&arcmsr_cdb->u; + struct ARCMSR_CDB *arcmsr_cdb = &ccb->arcmsr_cdb; + uint8_t *psge = (int8_t *)&arcmsr_cdb->u; __le32 address_lo, address_hi; int arccdbsize = 0x30; __le32 length = 0; int i; struct scatterlist *sg; int nseg; + ccb->pcmd = pcmd; memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB)); arcmsr_cdb->TargetID = pcmd->device->id; arcmsr_cdb->LUN = pcmd->device->lun; arcmsr_cdb->Function = 1; - arcmsr_cdb->msgContext = 0; memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len); - nseg = scsi_dma_map(pcmd); if (unlikely(nseg > acb->host->sg_tablesize || nseg < 0)) return FAILED; @@ -1266,24 +1309,23 @@ static int arcmsr_build_ccb(struct Adapt address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sg))); if (address_hi == 0) { struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge; - pdma_sg->address = address_lo; pdma_sg->length = length; psge += sizeof (struct SG32ENTRY); arccdbsize += sizeof (struct SG32ENTRY); } else { struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge; - pdma_sg->addresshigh = address_hi; pdma_sg->address = address_lo; - pdma_sg->length = length|cpu_to_le32(IS_SG64_ADDR); + pdma_sg->length = length | cpu_to_le32(IS_SG64_ADDR); psge += sizeof (struct SG64ENTRY); arccdbsize += sizeof (struct SG64ENTRY); } } arcmsr_cdb->sgcount = (uint8_t)nseg; arcmsr_cdb->DataLength = scsi_bufflen(pcmd); - arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0); + arcmsr_cdb->msgPages = arccdbsize / 0x100 + + (arccdbsize % 0x100 ? 1 : 0); if ( arccdbsize > 256) arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE; if (pcmd->sc_data_direction == DMA_TO_DEVICE) @@ -1292,10 +1334,12 @@ static int arcmsr_build_ccb(struct Adapt return SUCCESS; } -static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) +static void +arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) { uint32_t cdb_phyaddr = ccb->cdb_phyaddr; struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; + atomic_inc(&acb->ccboutstandingcount); ccb->startdone = ARCMSR_CCB_START; switch (acb->adapter_type) { @@ -1304,13 +1348,11 @@ static void arcmsr_post_ccb(struct Adapt if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) writel(cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, - ®->inbound_queueport); - else { - writel(cdb_phyaddr, ®->inbound_queueport); - } + ®->inbound_queueport); + else + writel(cdb_phyaddr, ®->inbound_queueport); } break; - case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; uint32_t ending_index, index = reg->postq_index; @@ -1323,7 +1365,7 @@ static void arcmsr_post_ccb(struct Adapt else reg->post_qbuffer[index] = cdb_phyaddr; index++; - index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */ + index %= ARCMSR_MAX_HBB_POSTQUEUE; reg->postq_index = index; writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell); } @@ -1332,88 +1374,92 @@ static void arcmsr_post_ccb(struct Adapt struct MessageUnit_C __iomem *phbcmu = acb->pmuC; uint32_t ccb_post_stamp, arc_cdb_size; - arc_cdb_size = (ccb->arc_cdb_size > 0x300) ? 0x300 : ccb->arc_cdb_size; + arc_cdb_size = (ccb->arc_cdb_size > 0x300) + ? 0x300 : ccb->arc_cdb_size; ccb_post_stamp = (cdb_phyaddr | ((arc_cdb_size - 1) >> 6) | 1); if (acb->cdb_phyaddr_hi32) { - writel(acb->cdb_phyaddr_hi32, &phbcmu->inbound_queueport_high); - writel(ccb_post_stamp, &phbcmu->inbound_queueport_low); - } else { - writel(ccb_post_stamp, &phbcmu->inbound_queueport_low); - } + writel(acb->cdb_phyaddr_hi32, + &phbcmu->inbound_queueport_high); + writel(ccb_post_stamp, + &phbcmu->inbound_queueport_low); + } else + writel(ccb_post_stamp, + &phbcmu->inbound_queueport_low); } + break; } } -static void arcmsr_hbaA_stop_bgrb(struct AdapterControlBlock *acb) +static void +arcmsr_hbaA_stop_bgrb(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; + acb->acb_flags &= ~ACB_F_MSG_START_BGRB; writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0); - if (!arcmsr_hbaA_wait_msgint_ready(acb)) { - printk(KERN_NOTICE - "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" - , acb->host->host_no); - } + if (!arcmsr_hbaA_wait_msgint_ready(acb)) + pr_notice("arcmsr%d: wait 'stop adapter background rebulid' " + "timeout\n", acb->host->host_no); } -static void arcmsr_hbaB_stop_bgrb(struct AdapterControlBlock *acb) +static void +arcmsr_hbaB_stop_bgrb(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; + acb->acb_flags &= ~ACB_F_MSG_START_BGRB; writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell); - - if (!arcmsr_hbaB_wait_msgint_ready(acb)) { - printk(KERN_NOTICE - "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" - , acb->host->host_no); - } + if (!arcmsr_hbaB_wait_msgint_ready(acb)) + pr_notice("arcmsr%d: wait 'stop adapter background rebulid' " + "timeout\n", acb->host->host_no); } -static void arcmsr_hbaC_stop_bgrb(struct AdapterControlBlock *pACB) +static void +arcmsr_hbaC_stop_bgrb(struct AdapterControlBlock *pACB) { struct MessageUnit_C __iomem *reg = pACB->pmuC; + pACB->acb_flags &= ~ACB_F_MSG_START_BGRB; writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0); writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); - if (!arcmsr_hbaC_wait_msgint_ready(pACB)) { - printk(KERN_NOTICE - "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" - , pACB->host->host_no); - } - return; + if (!arcmsr_hbaC_wait_msgint_ready(pACB)) + pr_notice("arcmsr%d: wait 'stop adapter background rebulid' " + "timeout\n", pACB->host->host_no); } -static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) + +static void +arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { + case ACB_ADAPTER_TYPE_A: arcmsr_hbaA_stop_bgrb(acb); - } break; - - case ACB_ADAPTER_TYPE_B: { + case ACB_ADAPTER_TYPE_B: arcmsr_hbaB_stop_bgrb(acb); - } break; - case ACB_ADAPTER_TYPE_C: { + case ACB_ADAPTER_TYPE_C: arcmsr_hbaC_stop_bgrb(acb); - } + break; } } -static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb) +static void +arcmsr_free_ccb_pool(struct AdapterControlBlock *acb) { - dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle); + dma_free_coherent(&acb->pdev->dev, acb->uncache_size, + acb->dma_coherent, acb->dma_coherent_handle); } -static void arcmsr_iop_message_read(struct AdapterControlBlock *acb) +static void +arcmsr_iop_message_read(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->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); @@ -1421,12 +1467,15 @@ static void arcmsr_iop_message_read(stru break; case ACB_ADAPTER_TYPE_C: { struct MessageUnit_C __iomem *reg = acb->pmuC; - writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); + writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, + ®->inbound_doorbell); } + break; } } -static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb) +static void +arcmsr_iop_message_wrote(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { @@ -1435,10 +1484,10 @@ static void arcmsr_iop_message_wrote(str ** push inbound doorbell tell iop, driver data write ok ** and wait reply on next hwinterrupt for next Qbuffer post */ - writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK, ®->inbound_doorbell); + writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK, + ®->inbound_doorbell); } break; - case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; /* @@ -1454,57 +1503,59 @@ static void arcmsr_iop_message_wrote(str ** push inbound doorbell tell iop, driver data write ok ** and wait reply on next hwinterrupt for next Qbuffer post */ - writel(ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK, ®->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) { + switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; qbuffer = (struct QBUFFER __iomem *)®->message_rbuffer; } break; - case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer; } break; case ACB_ADAPTER_TYPE_C: { - struct MessageUnit_C __iomem *phbcmu = acb->pmuC; - qbuffer = (struct QBUFFER __iomem *)&phbcmu->message_rbuffer; + struct MessageUnit_C __iomem *reg = acb->pmuC; + qbuffer = (struct QBUFFER __iomem *)®->message_rbuffer; } + break; } return qbuffer; } -static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb) +static struct QBUFFER __iomem +*arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb) { struct QBUFFER __iomem *pqbuffer = NULL; - switch (acb->adapter_type) { + switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; - pqbuffer = (struct QBUFFER __iomem *) ®->message_wbuffer; + pqbuffer = (struct QBUFFER __iomem *)®->message_wbuffer; } break; - case ACB_ADAPTER_TYPE_B: { - struct MessageUnit_B *reg = acb->pmuB; + struct MessageUnit_B *reg = acb->pmuB; pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer; } break; case ACB_ADAPTER_TYPE_C: { struct MessageUnit_C __iomem *reg = acb->pmuC; pqbuffer = (struct QBUFFER __iomem *)®->message_wbuffer; - } - + } + break; } return pqbuffer; } @@ -1575,7 +1626,8 @@ arcmsr_Read_iop_rqbuffer_data(struct Ada return 1; } -static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb) +static void +arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb) { unsigned long flags; struct QBUFFER __iomem *prbuffer; @@ -1687,6 +1739,7 @@ arcmsr_hbaA_doorbell_isr(struct AdapterC { uint32_t outbound_doorbell; struct MessageUnit_A __iomem *reg = acb->pmuA; + outbound_doorbell = readl(®->outbound_doorbell); do { writel(outbound_doorbell, ®->outbound_doorbell); @@ -1704,6 +1757,7 @@ arcmsr_hbaC_doorbell_isr(struct AdapterC { uint32_t outbound_doorbell; struct MessageUnit_C __iomem *reg = pACB->pmuC; + outbound_doorbell = readl(®->outbound_doorbell); do { writel(outbound_doorbell, ®->outbound_doorbell_clear); @@ -1728,6 +1782,7 @@ arcmsr_hbaA_postqueue_isr(struct Adapter struct ARCMSR_CDB *pARCMSR_CDB; struct CommandControlBlock *pCCB; bool error; + while ((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) { pARCMSR_CDB = (struct ARCMSR_CDB *) (acb->vir2phy_offset + (flag_ccb << 5)); @@ -1748,6 +1803,7 @@ arcmsr_hbaB_postqueue_isr(struct Adapter struct ARCMSR_CDB *pARCMSR_CDB; struct CommandControlBlock *pCCB; bool error; + index = reg->doneq_index; while ((flag_ccb = reg->done_qbuffer[index]) != 0) { reg->done_qbuffer[index] = 0; @@ -1802,6 +1858,7 @@ static void arcmsr_hbaA_message_isr(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; + /*clear interrupt and message state*/ writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, ®->outbound_intstatus); schedule_work(&acb->arcmsr_do_message_isr_bh); @@ -1811,6 +1868,7 @@ static void arcmsr_hbaB_message_isr(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; + /*clear interrupt and message state*/ writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); schedule_work(&acb->arcmsr_do_message_isr_bh); @@ -1820,6 +1878,7 @@ static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *acb) { struct MessageUnit_C __iomem *reg = acb->pmuC; + /*clear interrupt and message state*/ writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear); @@ -1831,6 +1890,7 @@ arcmsr_hbaA_handle_isr(struct AdapterCon { uint32_t outbound_intstatus; struct MessageUnit_A __iomem *reg = acb->pmuA; + outbound_intstatus = readl(®->outbound_intstatus) & acb->outbound_int_enable; if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) @@ -1856,6 +1916,7 @@ arcmsr_hbaB_handle_isr(struct AdapterCon { uint32_t outbound_doorbell; struct MessageUnit_B *reg = acb->pmuB; + outbound_doorbell = readl(reg->iop2drv_doorbell) & acb->outbound_int_enable; if (!outbound_doorbell) @@ -1885,6 +1946,7 @@ arcmsr_hbaC_handle_isr(struct AdapterCon { uint32_t host_interrupt_status; struct MessageUnit_C __iomem *phbcmu = pACB->pmuC; + host_interrupt_status = readl(&phbcmu->host_int_status) & (ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR); @@ -1920,7 +1982,8 @@ arcmsr_interrupt(struct AdapterControlBl } } -static void arcmsr_iop_parking(struct AdapterControlBlock *acb) +static void +arcmsr_iop_parking(struct AdapterControlBlock *acb) { uint32_t intmask_org; @@ -2276,16 +2339,18 @@ message_out: return retvalue; } -static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock *acb) +static struct CommandControlBlock +*arcmsr_get_freeccb(struct AdapterControlBlock *acb) { struct list_head *head = &acb->ccb_free_list; struct CommandControlBlock *ccb = NULL; unsigned long flags; + spin_lock_irqsave(&acb->ccblist_lock, flags); if (!list_empty(head)) { ccb = list_entry(head->next, struct CommandControlBlock, list); list_del_init(&ccb->list); - }else{ + } else { spin_unlock_irqrestore(&acb->ccblist_lock, flags); return NULL; } @@ -2293,7 +2358,8 @@ static struct CommandControlBlock *arcms return ccb; } -static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb, +static void +arcmsr_handle_virtual_command(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd) { switch (cmd->cmnd[0]) { @@ -2301,7 +2367,6 @@ static void arcmsr_handle_virtual_comman unsigned char inqdata[36]; char *buffer; struct scatterlist *sg; - if (cmd->device->lun) { cmd->result = (DID_TIME_OUT << 16); cmd->scsi_done(cmd); @@ -2320,14 +2385,11 @@ static void arcmsr_handle_virtual_comman strncpy(&inqdata[16], "RAID controller ", 16); /* Product Identification */ strncpy(&inqdata[32], "R001", 4); /* Product Revision */ - sg = scsi_sglist(cmd); buffer = kmap_atomic(sg_page(sg)) + sg->offset; - memcpy(buffer, inqdata, sizeof(inqdata)); sg = scsi_sglist(cmd); kunmap_atomic(buffer - sg->offset); - cmd->scsi_done(cmd); } break; @@ -2343,22 +2405,24 @@ static void arcmsr_handle_virtual_comman } } -static int arcmsr_queue_command_lck(struct scsi_cmnd *cmd, +static int +arcmsr_queue_command_lck(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) { struct Scsi_Host *host = cmd->device->host; - struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; + struct AdapterControlBlock *acb = + (struct AdapterControlBlock *)host->hostdata; struct CommandControlBlock *ccb; int target = cmd->device->id; int lun = cmd->device->lun; uint8_t scsicmd = cmd->cmnd[0]; + cmd->scsi_done = done; cmd->host_scribble = NULL; cmd->result = 0; - if ((scsicmd == SYNCHRONIZE_CACHE) ||(scsicmd == SEND_DIAGNOSTIC)){ - if(acb->devstate[target][lun] == ARECA_RAID_GONE) { - cmd->result = (DID_NO_CONNECT << 16); - } + if ((scsicmd == SYNCHRONIZE_CACHE) || (scsicmd == SEND_DIAGNOSTIC)) { + if (acb->devstate[target][lun] == ARECA_RAID_GONE) + cmd->result = (DID_NO_CONNECT << 16); cmd->scsi_done(cmd); return 0; } @@ -2397,6 +2461,7 @@ arcmsr_hbaA_get_config(struct AdapterCon char __iomem *iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); int count; + writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); if (!arcmsr_hbaA_wait_msgint_ready(acb)) { pr_notice("arcmsr%d: wait 'get adapter firmware " @@ -2456,6 +2521,7 @@ arcmsr_hbaB_get_config(struct AdapterCon char __iomem *iop_device_map; /*firm_version,21,84-99*/ int count; + acb->roundup_ccbsize = roundup(sizeof(struct MessageUnit_B), 32); dma_coherent2 = dma_alloc_coherent(&pdev->dev, acb->roundup_ccbsize, &dma_coherent_handle2, GFP_KERNEL); @@ -2543,9 +2609,10 @@ arcmsr_hbaC_get_config(struct AdapterCon struct MessageUnit_C __iomem *reg = pACB->pmuC; char *acb_firm_model = pACB->firm_model; char *acb_firm_version = pACB->firm_version; - char __iomem *iop_firm_model = (char __iomem *)(®->msgcode_rwbuffer[15]); - char __iomem *iop_firm_version = (char __iomem *)(®->msgcode_rwbuffer[17]); + char __iomem *iop_firm_model = (char __iomem *)®->msgcode_rwbuffer[15]; + char __iomem *iop_firm_version = (char __iomem *)®->msgcode_rwbuffer[17]; int count; + /* disable all outbound interrupt */ intmask_org = readl(®->host_int_mask); writel(intmask_org | ARCMSR_HBCMU_ALL_INTMASKENABLE, @@ -2601,6 +2668,7 @@ static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) { bool rtn = false; + switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: rtn = arcmsr_hbaA_get_config(acb); @@ -2621,40 +2689,49 @@ arcmsr_get_firmware_spec(struct AdapterC return rtn; } -static int arcmsr_hbaA_polling_ccbdone(struct AdapterControlBlock *acb, +static int +arcmsr_hbaA_polling_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { struct MessageUnit_A __iomem *reg = acb->pmuA; struct CommandControlBlock *ccb; struct ARCMSR_CDB *arcmsr_cdb; - uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0; + uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0; + uint32_t poll_count = 0; int rtn; bool error; - polling_hbaA_ccb_retry: + +polling_hba_ccb_retry: poll_count++; - outbound_intstatus = readl(®->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_hbaA_ccb_retry; + goto polling_hba_ccb_retry; } } - arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5)); - ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); - poll_ccb_done = (ccb == poll_ccb) ? 1:0; + arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + + (flag_ccb << 5)); + ccb = container_of(arcmsr_cdb, struct CommandControlBlock, + arcmsr_cdb); + poll_ccb_done = (ccb == poll_ccb) ? 1 : 0; if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { - if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) { - printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" - " poll command abort successfully \n" + if ((ccb->startdone == ARCMSR_CCB_ABORTED) || + (ccb == poll_ccb)) { + pr_notice("arcmsr%d: scsi id = %d " + "lun = %d ccb = '0x%p' poll command " + "abort successfully\n" , acb->host->host_no , ccb->pcmd->device->id , ccb->pcmd->device->lun @@ -2663,22 +2740,24 @@ static int arcmsr_hbaA_polling_ccbdone(s arcmsr_ccb_complete(ccb); continue; } - printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" - " command done ccb = '0x%p'" - "ccboutstandingcount = %d \n" + pr_notice("arcmsr%d: polling get an illegal " + "ccb command done ccb = '0x%p' " + "ccboutstandingcount = %d\n" , acb->host->host_no , ccb , atomic_read(&acb->ccboutstandingcount)); continue; } - error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? + true : false; arcmsr_report_ccb_state(acb, ccb, error); } return rtn; } -static int arcmsr_hbaB_polling_ccbdone(struct AdapterControlBlock *acb, - struct CommandControlBlock *poll_ccb) +static int +arcmsr_hbaB_polling_ccbdone(struct AdapterControlBlock *acb, + struct CommandControlBlock *poll_ccb) { struct MessageUnit_B *reg = acb->pmuB; struct ARCMSR_CDB *arcmsr_cdb; @@ -2686,25 +2765,25 @@ static int arcmsr_hbaB_polling_ccbdone(s uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0; int index, rtn; bool error; - polling_hbaB_ccb_retry: +polling_hbb_ccb_retry: poll_count++; /* clear doorbell interrupt */ writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); - while(1){ + while (1) { index = reg->doneq_index; flag_ccb = reg->done_qbuffer[index]; if (flag_ccb == 0) { - if (poll_ccb_done){ + if (poll_ccb_done) { rtn = SUCCESS; break; - }else { + } else { msleep(25); - if (poll_count > 100){ + if (poll_count > 100) { rtn = FAILED; break; } - goto polling_hbaB_ccb_retry; + goto polling_hbb_ccb_retry; } } reg->done_qbuffer[index] = 0; @@ -2713,36 +2792,44 @@ static int arcmsr_hbaB_polling_ccbdone(s index %= ARCMSR_MAX_HBB_POSTQUEUE; reg->doneq_index = index; /* check if command done with no error*/ - arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5)); - ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); - poll_ccb_done = (ccb == poll_ccb) ? 1:0; - if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { - if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) { - printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" - " poll command abort successfully \n" - ,acb->host->host_no - ,ccb->pcmd->device->id - ,ccb->pcmd->device->lun - ,ccb); + arcmsr_cdb = (struct ARCMSR_CDB *) + (acb->vir2phy_offset + (flag_ccb << 5)); + ccb = container_of(arcmsr_cdb, struct CommandControlBlock, + arcmsr_cdb); + poll_ccb_done = (ccb == poll_ccb) ? 1 : 0; + if ((ccb->acb != acb) || + (ccb->startdone != ARCMSR_CCB_START)) { + if ((ccb->startdone == ARCMSR_CCB_ABORTED) || + (ccb == poll_ccb)) { + pr_notice("arcmsr%d: " + "scsi id = %d lun = %d ccb = '0x%p' poll " + "command abort successfully\n" + , acb->host->host_no + , ccb->pcmd->device->id + , ccb->pcmd->device->lun + , ccb); ccb->pcmd->result = DID_ABORT << 16; arcmsr_ccb_complete(ccb); continue; } - printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" - " command done ccb = '0x%p'" - "ccboutstandingcount = %d \n" + pr_notice("arcmsr%d: polling get an " + "illegal ccb command done ccb = '0x%p' " + "ccboutstandingcount = %d\n" , acb->host->host_no , ccb , atomic_read(&acb->ccboutstandingcount)); continue; } - error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) + ? true : false; arcmsr_report_ccb_state(acb, ccb, error); } return rtn; } -static int arcmsr_hbaC_polling_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) +static int +arcmsr_hbaC_polling_ccbdone(struct AdapterControlBlock *acb, + struct CommandControlBlock *poll_ccb) { struct MessageUnit_C __iomem *reg = acb->pmuC; uint32_t flag_ccb, ccb_cdb_phy; @@ -2751,10 +2838,12 @@ static int arcmsr_hbaC_polling_ccbdone(s struct CommandControlBlock *pCCB; uint32_t poll_ccb_done = 0, poll_count = 0; int rtn; -polling_hbaC_ccb_retry: + +polling_hbc_ccb_retry: poll_count++; while (1) { - if ((readl(®->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; @@ -2764,101 +2853,105 @@ polling_hbaC_ccb_retry: rtn = FAILED; break; } - goto polling_hbaC_ccb_retry; + goto 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" + pr_notice("arcmsr%d: " + "scsi id = %d lun = %d ccb = '0x%p' poll " + "command abort successfully\n" , acb->host->host_no , pCCB->pcmd->device->id , pCCB->pcmd->device->lun , pCCB); - pCCB->pcmd->result = DID_ABORT << 16; - arcmsr_ccb_complete(pCCB); + pCCB->pcmd->result = DID_ABORT << 16; + arcmsr_ccb_complete(pCCB); continue; } - printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" - " command done ccb = '0x%p'" - "ccboutstandingcount = %d \n" + pr_notice("arcmsr%d: polling get an illegal " + "ccb command done ccb = '0x%p' " + "ccboutstandingcount = %d\n" , acb->host->host_no , pCCB , atomic_read(&acb->ccboutstandingcount)); continue; } - error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) + ? true : false; arcmsr_report_ccb_state(acb, pCCB, error); } return rtn; } -static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, - struct CommandControlBlock *poll_ccb) + +static int +arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, + struct CommandControlBlock *poll_ccb) { int rtn = 0; - switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: rtn = arcmsr_hbaA_polling_ccbdone(acb, poll_ccb); - } break; - - case ACB_ADAPTER_TYPE_B: { + case ACB_ADAPTER_TYPE_B: rtn = arcmsr_hbaB_polling_ccbdone(acb, poll_ccb); - } break; - case ACB_ADAPTER_TYPE_C: { + case ACB_ADAPTER_TYPE_C: rtn = arcmsr_hbaC_polling_ccbdone(acb, poll_ccb); - } + break; } return rtn; } -static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) +static int +arcmsr_iop_confirm(struct AdapterControlBlock *acb) { - uint32_t cdb_phyaddr, cdb_phyaddr_hi32; + uint32_t cdb_phyaddr_hi32, cdb_phyaddr_lo32; dma_addr_t dma_coherent_handle; + /* ******************************************************************** - ** here we need to tell iop 331 our freeccb.HighPart + ** Here we need to tell iop our freeccb.HighPart ** if freeccb.HighPart is not zero ******************************************************************** */ dma_coherent_handle = acb->dma_coherent_handle; - cdb_phyaddr = (uint32_t)(dma_coherent_handle); - cdb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16); + cdb_phyaddr_lo32 = (uint32_t)(dma_coherent_handle & 0xffffffff); + cdb_phyaddr_hi32 = (uint32_t)((dma_coherent_handle >> 16) >> 16); acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32; /* *********************************************************************** - ** if adapter type B, set window of "post command Q" + ** if adapter type B set window of "post command Q" *********************************************************************** */ switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { if (cdb_phyaddr_hi32 != 0) { struct MessageUnit_A __iomem *reg = acb->pmuA; - writel(ARCMSR_SIGNATURE_SET_CONFIG, \ - ®->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); + writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, + ®->inbound_msgaddr0); if (!arcmsr_hbaA_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d: ""set ccb high \ - part physical address timeout\n", - acb->host->host_no); + pr_notice("arcmsr%d: set ccb " + "high part physical address timeout\n", + acb->host->host_no); return 1; } } } break; - case ACB_ADAPTER_TYPE_B: { unsigned long post_queue_phyaddr; uint32_t __iomem *rwbuffer; @@ -2868,7 +2961,7 @@ static int arcmsr_iop_confirm(struct Ada reg->doneq_index = 0; writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell); if (!arcmsr_hbaB_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d:can not set diver mode\n", \ + pr_notice("arcmsr%d:can not set diver mode\n", acb->host->host_no); return 1; } @@ -2884,50 +2977,60 @@ static int arcmsr_iop_confirm(struct Ada writel(post_queue_phyaddr + 1056, rwbuffer++); /* ccb maxQ size must be --> [(256 + 8)*4]*/ writel(1056, rwbuffer); - writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell); if (!arcmsr_hbaB_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ - timeout \n",acb->host->host_no); + pr_notice("arcmsr%d: 'set command Q window' " + "timeout\n", acb->host->host_no); + return 1; + } + writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell); + if (!arcmsr_hbaB_wait_msgint_ready(acb)) { + pr_err("arcmsr%d: can't set driver mode.\n", + acb->host->host_no); return 1; } - arcmsr_hbaB_enable_driver_mode(acb); } break; case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C __iomem *reg = acb->pmuC; if (cdb_phyaddr_hi32 != 0) { - struct MessageUnit_C __iomem *reg = acb->pmuC; - - printk(KERN_NOTICE "arcmsr%d: cdb_phyaddr_hi32=0x%x\n", - acb->adapter_index, cdb_phyaddr_hi32); - writel(ARCMSR_SIGNATURE_SET_CONFIG, ®->msgcode_rwbuffer[0]); + 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); + writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, + ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, + ®->inbound_doorbell); if (!arcmsr_hbaC_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ - timeout \n", acb->host->host_no); + pr_notice("arcmsr%d: 'set " + "command Q window' timeout\n", + acb->host->host_no); return 1; } } } + break; } return 0; } -static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) +static void +arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) { uint32_t firmware_state = 0; + switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { struct MessageUnit_A __iomem *reg = acb->pmuA; do { firmware_state = readl(®->outbound_msgaddr1); - } while ((firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0); + } while ((firmware_state & + ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0); } break; - case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; do { @@ -2940,131 +3043,162 @@ static void arcmsr_wait_firmware_ready(s struct MessageUnit_C __iomem *reg = acb->pmuC; do { firmware_state = readl(®->outbound_msgaddr1); - } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0); + } while ((firmware_state & + ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0); } + break; } } -static void arcmsr_hbaA_request_device_map(struct AdapterControlBlock *acb) +static void +arcmsr_hbaA_request_device_map(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; - if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){ - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); - return; + + if (unlikely(atomic_read(&acb->rq_map_token) == 0) || + ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || + ((acb->acb_flags & ACB_F_ABORT) != 0)) { + mod_timer(&acb->eternal_timer, + jiffies + msecs_to_jiffies(6 * HZ)); } else { acb->fw_flag = FW_NORMAL; - if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)){ + if (atomic_read(&acb->ante_token_value) == + atomic_read(&acb->rq_map_token)) { atomic_set(&acb->rq_map_token, 16); } - atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); + atomic_set(&acb->ante_token_value, + atomic_read(&acb->rq_map_token)); if (atomic_dec_and_test(&acb->rq_map_token)) { - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + mod_timer(&acb->eternal_timer, + jiffies + msecs_to_jiffies(6 * HZ)); return; } writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); } - return; } -static void arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb) +static void +arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; - if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){ - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); - return; + + if (unlikely(atomic_read(&acb->rq_map_token) == 0) || + ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || + ((acb->acb_flags & ACB_F_ABORT) != 0)) { + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); } else { acb->fw_flag = FW_NORMAL; - if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) { + if (atomic_read(&acb->ante_token_value) == + atomic_read(&acb->rq_map_token)) { atomic_set(&acb->rq_map_token, 16); } - atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); + atomic_set(&acb->ante_token_value, + atomic_read(&acb->rq_map_token)); if (atomic_dec_and_test(&acb->rq_map_token)) { - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + mod_timer(&acb->eternal_timer, + jiffies + msecs_to_jiffies(6 * HZ)); return; } writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell); - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); } - return; } -static void arcmsr_hbaC_request_device_map(struct AdapterControlBlock *acb) +static void +arcmsr_hbaC_request_device_map(struct AdapterControlBlock *acb) { struct MessageUnit_C __iomem *reg = acb->pmuC; - if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) { - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); - return; + + if (unlikely(atomic_read(&acb->rq_map_token) == 0) || + ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || + ((acb->acb_flags & ACB_F_ABORT) != 0)) { + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); } else { acb->fw_flag = FW_NORMAL; - if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) { + if (atomic_read(&acb->ante_token_value) == + atomic_read(&acb->rq_map_token)) { atomic_set(&acb->rq_map_token, 16); } - atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); + atomic_set(&acb->ante_token_value, + atomic_read(&acb->rq_map_token)); if (atomic_dec_and_test(&acb->rq_map_token)) { - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + mod_timer(&acb->eternal_timer, + jiffies + msecs_to_jiffies(6 * HZ)); return; } writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); - writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + 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; + switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { - arcmsr_hbaA_request_device_map(acb); - } + case ACB_ADAPTER_TYPE_A: + arcmsr_hbaA_request_device_map(acb); break; - case ACB_ADAPTER_TYPE_B: { - arcmsr_hbaB_request_device_map(acb); - } + case ACB_ADAPTER_TYPE_B: + arcmsr_hbaB_request_device_map(acb); + break; + case ACB_ADAPTER_TYPE_C: + arcmsr_hbaC_request_device_map(acb); break; - case ACB_ADAPTER_TYPE_C: { - arcmsr_hbaC_request_device_map(acb); - } } } -static void arcmsr_hbaA_start_bgrb(struct AdapterControlBlock *acb) +static void +arcmsr_hbaA_start_bgrb(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; + acb->acb_flags |= ACB_F_MSG_START_BGRB; writel(ARCMSR_INBOUND_MESG0_START_BGRB, ®->inbound_msgaddr0); if (!arcmsr_hbaA_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ - rebulid' timeout \n", acb->host->host_no); + pr_notice("arcmsr%d: wait 'start adapter background " + "rebulid' timeout\n", acb->host->host_no); } } -static void arcmsr_hbaB_start_bgrb(struct AdapterControlBlock *acb) +static void +arcmsr_hbaB_start_bgrb(struct AdapterControlBlock *acb) { struct MessageUnit_B *reg = acb->pmuB; + acb->acb_flags |= ACB_F_MSG_START_BGRB; writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell); if (!arcmsr_hbaB_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ - rebulid' timeout \n",acb->host->host_no); + pr_notice("arcmsr%d: wait 'start adapter background " + "rebulid' timeout\n", acb->host->host_no); } } -static void arcmsr_hbaC_start_bgrb(struct AdapterControlBlock *pACB) +static void +arcmsr_hbaC_start_bgrb(struct AdapterControlBlock *pACB) { struct MessageUnit_C __iomem *phbcmu = pACB->pmuC; + pACB->acb_flags |= ACB_F_MSG_START_BGRB; writel(ARCMSR_INBOUND_MESG0_START_BGRB, &phbcmu->inbound_msgaddr0); writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &phbcmu->inbound_doorbell); if (!arcmsr_hbaC_wait_msgint_ready(pACB)) { - printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ - rebulid' timeout \n", pACB->host->host_no); + pr_notice("arcmsr%d: wait 'start adapter background " + "rebulid' timeout\n", pACB->host->host_no); } - return; } -static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb) + +static void +arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: @@ -3075,10 +3209,12 @@ static void arcmsr_start_adapter_bgrb(st break; case ACB_ADAPTER_TYPE_C: arcmsr_hbaC_start_bgrb(acb); + break; } } -static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb) +static void +arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { @@ -3088,10 +3224,10 @@ static void arcmsr_clear_doorbell_queue_ outbound_doorbell = readl(®->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*/ @@ -3102,37 +3238,43 @@ static void arcmsr_clear_doorbell_queue_ break; case ACB_ADAPTER_TYPE_C: { struct MessageUnit_C __iomem *reg = acb->pmuC; - uint32_t outbound_doorbell; + uint32_t outbound_doorbell, i; /* empty doorbell Qbuffer if door bell ringed */ outbound_doorbell = readl(®->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); + for (i = 0; i < 200; i++) { + msleep(20); + outbound_doorbell = readl(®->outbound_doorbell); + if (outbound_doorbell & + ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) { + writel(outbound_doorbell, + ®->outbound_doorbell_clear); + writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, + ®->inbound_doorbell); + } else + break; } + } + break; } } -static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb) +static void +arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb) { - switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: - return; - case ACB_ADAPTER_TYPE_B: - { - struct MessageUnit_B *reg = acb->pmuB; - writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell); - if (!arcmsr_hbaB_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "ARCMSR IOP enables EOI_MODE TIMEOUT"); - return; - } - } - break; - case ACB_ADAPTER_TYPE_C: - return; + struct MessageUnit_B *reg = acb->pmuB; + + if (acb->adapter_type == ACB_ADAPTER_TYPE_B) { + writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell); + if (!arcmsr_hbaB_wait_msgint_ready(acb)) + pr_notice("ARCMSR IOP enables EOI_MODE TIMEOUT"); } - return; } -static void arcmsr_hardware_reset(struct AdapterControlBlock *acb) +static void +arcmsr_hardware_reset(struct AdapterControlBlock *acb) { uint8_t value[64]; int i, count = 0; @@ -3140,7 +3282,8 @@ static void arcmsr_hardware_reset(struct struct MessageUnit_C __iomem *pmuC = acb->pmuC; /* backup pci config data */ - printk(KERN_NOTICE "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no); + pr_notice("arcmsr%d: executing hw bus reset .....\n", + acb->host->host_no); for (i = 0; i < 64; i++) { pci_read_config_byte(acb->pdev, i, &value[i]); } @@ -3156,7 +3299,8 @@ static void arcmsr_hardware_reset(struct writel(0x2, &pmuC->write_sequence); writel(0x7, &pmuC->write_sequence); writel(0xD, &pmuC->write_sequence); - } while (((readl(&pmuC->host_diagnostic) & ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && (count < 5)); + } while (((readl(&pmuC->host_diagnostic) & + ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && (count < 5)); writel(ARCMSR_ARC1880_RESET_ADAPTER, &pmuC->host_diagnostic); } else { pci_write_config_byte(acb->pdev, 0x84, 0x20); @@ -3167,11 +3311,13 @@ static void arcmsr_hardware_reset(struct pci_write_config_byte(acb->pdev, i, value[i]); } msleep(1000); - return; } -static void arcmsr_iop_init(struct AdapterControlBlock *acb) + +static void +arcmsr_iop_init(struct AdapterControlBlock *acb) { uint32_t intmask_org; + /* disable all outbound interrupt */ intmask_org = arcmsr_disable_outbound_ints(acb); arcmsr_wait_firmware_ready(acb); @@ -3186,7 +3332,8 @@ static void arcmsr_iop_init(struct Adapt acb->acb_flags |= ACB_F_IOP_INITED; } -static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb) +static uint8_t +arcmsr_iop_reset(struct AdapterControlBlock *acb) { struct CommandControlBlock *ccb; uint32_t intmask_org; @@ -3209,7 +3356,8 @@ static uint8_t arcmsr_iop_reset(struct A ccb->ccb_flags = 0; spin_lock_irqsave(&acb->ccblist_lock, flags); list_add_tail(&ccb->list, &acb->ccb_free_list); - spin_unlock_irqrestore(&acb->ccblist_lock, flags); + spin_unlock_irqrestore(&acb->ccblist_lock, + flags); } } atomic_set(&acb->ccboutstandingcount, 0); @@ -3220,162 +3368,182 @@ static uint8_t arcmsr_iop_reset(struct A return rtnval; } -static int arcmsr_bus_reset(struct scsi_cmnd *cmd) +static int +arcmsr_bus_reset(struct scsi_cmnd *cmd) { struct AdapterControlBlock *acb; - uint32_t intmask_org, outbound_doorbell; + uint32_t intmask_org; int retry_count = 0; int rtn = FAILED; + acb = (struct AdapterControlBlock *) cmd->device->host->hostdata; - printk(KERN_ERR "arcmsr: executing bus reset eh.....num_resets = %d, num_aborts = %d \n", acb->num_resets, acb->num_aborts); + pr_err("arcmsr: executing bus reset eh.....num_resets = %d, " + "num_aborts = %d\n", acb->num_resets, acb->num_aborts); acb->num_resets++; - - switch(acb->adapter_type){ - case ACB_ADAPTER_TYPE_A:{ - if (acb->acb_flags & ACB_F_BUS_RESET){ - long timeout; - printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n"); - timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ); - if (timeout) { - return SUCCESS; - } - } - acb->acb_flags |= ACB_F_BUS_RESET; - if (!arcmsr_iop_reset(acb)) { - struct MessageUnit_A __iomem *reg; - reg = acb->pmuA; - arcmsr_hardware_reset(acb); - acb->acb_flags &= ~ACB_F_IOP_INITED; + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + if (acb->acb_flags & ACB_F_BUS_RESET) { + long timeout; + pr_err("arcmsr: there is an bus " + "reset eh proceeding.......\n"); + timeout = wait_event_timeout(wait_q, (acb->acb_flags & + ACB_F_BUS_RESET) == 0, 220 * HZ); + if (timeout) + return SUCCESS; + } + acb->acb_flags |= ACB_F_BUS_RESET; + if (!arcmsr_iop_reset(acb)) { + struct MessageUnit_A __iomem *reg; + reg = acb->pmuA; + arcmsr_hardware_reset(acb); + acb->acb_flags &= ~ACB_F_IOP_INITED; sleep_again: - ssleep(ARCMSR_SLEEPTIME); - if ((readl(®->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 */ + arcmsr_clear_doorbell_queue_buffer(acb); + arcmsr_enable_outbound_ints(acb, intmask_org); + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); + acb->acb_flags &= ~ACB_F_BUS_RESET; + rtn = SUCCESS; + pr_err("arcmsr: scsi bus reset eh " + "returns with success\n"); + } else { + acb->acb_flags &= ~ACB_F_BUS_RESET; + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, + jiffies + msecs_to_jiffies(6 * HZ)); + rtn = SUCCESS; } - case ACB_ADAPTER_TYPE_B:{ - acb->acb_flags |= ACB_F_BUS_RESET; - if (!arcmsr_iop_reset(acb)) { - acb->acb_flags &= ~ACB_F_BUS_RESET; - rtn = FAILED; - } else { - acb->acb_flags &= ~ACB_F_BUS_RESET; - atomic_set(&acb->rq_map_token, 16); - atomic_set(&acb->ante_token_value, 16); - acb->fw_flag = FW_NORMAL; - mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); - rtn = SUCCESS; - } - break; + break; + } + case ACB_ADAPTER_TYPE_B: { + acb->acb_flags |= ACB_F_BUS_RESET; + if (!arcmsr_iop_reset(acb)) { + acb->acb_flags &= ~ACB_F_BUS_RESET; + rtn = FAILED; + } else { + acb->acb_flags &= ~ACB_F_BUS_RESET; + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, + jiffies + msecs_to_jiffies(6 * HZ)); + rtn = SUCCESS; } - case ACB_ADAPTER_TYPE_C:{ - if (acb->acb_flags & ACB_F_BUS_RESET) { - long timeout; - printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n"); - timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ); - if (timeout) { - return SUCCESS; - } - } - acb->acb_flags |= ACB_F_BUS_RESET; - if (!arcmsr_iop_reset(acb)) { - struct MessageUnit_C __iomem *reg; - reg = acb->pmuC; - arcmsr_hardware_reset(acb); - acb->acb_flags &= ~ACB_F_IOP_INITED; + break; + } + case ACB_ADAPTER_TYPE_C: { + if (acb->acb_flags & ACB_F_BUS_RESET) { + long timeout; + pr_err("arcmsr: there is an bus " + "reset eh proceeding.......\n"); + timeout = wait_event_timeout(wait_q, + (acb->acb_flags & ACB_F_BUS_RESET) == 0, + 220 * HZ); + if (timeout) + return SUCCESS; + } + acb->acb_flags |= ACB_F_BUS_RESET; + if (!arcmsr_iop_reset(acb)) { + struct MessageUnit_C __iomem *reg; + reg = acb->pmuC; + arcmsr_hardware_reset(acb); + acb->acb_flags &= ~ACB_F_IOP_INITED; sleep: - ssleep(ARCMSR_SLEEPTIME); - if ((readl(®->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); + arcmsr_clear_doorbell_queue_buffer(acb); + arcmsr_enable_outbound_ints(acb, intmask_org); + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); + acb->acb_flags &= ~ACB_F_BUS_RESET; + rtn = SUCCESS; + pr_err("arcmsr: scsi bus reset " + "eh returns with success\n"); + } else { + acb->acb_flags &= ~ACB_F_BUS_RESET; + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + + msecs_to_jiffies(6 * HZ)); + rtn = SUCCESS; } + break; + } } return rtn; } -static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb, +static int +arcmsr_abort_one_cmd(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) { int rtn; + rtn = arcmsr_polling_ccbdone(acb, ccb); return rtn; } -static int arcmsr_abort(struct scsi_cmnd *cmd) +static int +arcmsr_abort(struct scsi_cmnd *cmd) { struct AdapterControlBlock *acb = (struct AdapterControlBlock *)cmd->device->host->hostdata; int i = 0; int rtn = FAILED; - printk(KERN_NOTICE - "arcmsr%d: abort device command of scsi id = %d lun = %d \n", + uint32_t intmask_org; + + pr_notice("arcmsr%d: abort device command of scsi id = %d lun = %d\n", acb->host->host_no, cmd->device->id, cmd->device->lun); acb->acb_flags |= ACB_F_ABORT; acb->num_aborts++; @@ -3385,9 +3553,12 @@ static int arcmsr_abort(struct scsi_cmnd ** we need to handle it as soon as possible and exit ************************************************ */ - if (!atomic_read(&acb->ccboutstandingcount)) - return rtn; + if (!atomic_read(&acb->ccboutstandingcount)) { + acb->acb_flags &= ~ACB_F_ABORT; + return SUCCESS; + } + intmask_org = arcmsr_disable_outbound_ints(acb); for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { struct CommandControlBlock *ccb = acb->pccb_pool[i]; if (ccb->startdone == ARCMSR_CCB_START && ccb->pcmd == cmd) { @@ -3396,17 +3567,20 @@ static int arcmsr_abort(struct scsi_cmnd break; } } + arcmsr_enable_outbound_ints(acb, intmask_org); acb->acb_flags &= ~ACB_F_ABORT; return rtn; } -static const char *arcmsr_info(struct Scsi_Host *host) +static const char +*arcmsr_info(struct Scsi_Host *host) { struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; + (struct AdapterControlBlock *)host->hostdata; static char buf[256]; char *type; int raid6 = 1; + switch (acb->pdev->device) { case PCI_DEVICE_ID_ARECA_1110: case PCI_DEVICE_ID_ARECA_1200: @@ -3431,15 +3605,15 @@ static const char *arcmsr_info(struct Sc case PCI_DEVICE_ID_ARECA_1680: case PCI_DEVICE_ID_ARECA_1681: case PCI_DEVICE_ID_ARECA_1880: - type = "SAS"; + type = "SAS/SATA"; break; default: - type = "X-TYPE"; + type = "unknown"; + raid6 = 0; break; } - sprintf(buf, "Areca %s Host Adapter RAID Controller%s\n %s", - type, raid6 ? "( RAID6 capable)" : "", - ARCMSR_DRIVER_VERSION); + sprintf(buf, "Areca %s RAID Controller %s\narcmsr version %s\n", + type, raid6 ? "(RAID6 capable)" : "", ARCMSR_DRIVER_VERSION); return buf; } -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html