diff options
| -rw-r--r-- | drivers/scsi/3w-9xxx.c | 56 | ||||
| -rw-r--r-- | drivers/scsi/3w-9xxx.h | 156 |
2 files changed, 113 insertions, 99 deletions
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index b4718a1b2bd6..b96e82de4237 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -128,14 +128,14 @@ static int twa_fill_sense(TW_Device_Extension *tw_dev, int request_id, int copy_ static void twa_free_request_id(TW_Device_Extension *tw_dev,int request_id); static void twa_get_request_id(TW_Device_Extension *tw_dev, int *request_id); static int twa_initconnection(TW_Device_Extension *tw_dev, int message_credits, - u32 set_features, unsigned short current_fw_srl, - unsigned short current_fw_arch_id, - unsigned short current_fw_branch, - unsigned short current_fw_build, - unsigned short *fw_on_ctlr_srl, - unsigned short *fw_on_ctlr_arch_id, - unsigned short *fw_on_ctlr_branch, - unsigned short *fw_on_ctlr_build, + u32 set_features, unsigned short current_fw_srl, + unsigned short current_fw_arch_id, + unsigned short current_fw_branch, + unsigned short current_fw_build, + unsigned short *fw_on_ctlr_srl, + unsigned short *fw_on_ctlr_arch_id, + unsigned short *fw_on_ctlr_branch, + unsigned short *fw_on_ctlr_build, u32 *init_connect_result); static void twa_load_sgl(TW_Device_Extension *tw_dev, TW_Command_Full *full_command_packet, int request_id, dma_addr_t dma_handle, int length); static int twa_poll_response(TW_Device_Extension *tw_dev, int request_id, int seconds); @@ -171,7 +171,7 @@ static ssize_t twa_show_stats(struct device *dev, "Last sector count: %4d\n" "Max sector count: %4d\n" "SCSI Host Resets: %4d\n" - "AEN's: %4d\n", + "AEN's: %4d\n", TW_DRIVER_VERSION, tw_dev->posted_request_count, tw_dev->max_posted_request_count, @@ -190,7 +190,7 @@ static ssize_t twa_show_stats(struct device *dev, /* Create sysfs 'stats' entry */ static struct device_attribute twa_host_stats_attr = { .attr = { - .name = "stats", + .name = "stats", .mode = S_IRUGO, }, .show = twa_show_stats @@ -242,7 +242,7 @@ static int twa_aen_complete(TW_Device_Extension *tw_dev, int request_id) /* Keep reading the queue in case there are more aen's */ if (twa_aen_read_queue(tw_dev, request_id)) goto out2; - else { + else { retval = 0; goto out; } @@ -497,7 +497,7 @@ static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id) param->parameter_id = cpu_to_le16(0x3); /* SchedulerTime */ param->parameter_size_bytes = cpu_to_le16(4); - /* Convert system time in UTC to local time seconds since last + /* Convert system time in UTC to local time seconds since last Sunday 12:00AM */ local_time = (ktime_get_real_seconds() - (sys_tz.tz_minuteswest * 60)); div_u64_rem(local_time - (3 * 86400), 604800, &schedulertime); @@ -729,7 +729,7 @@ static long twa_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long /* Now copy in the command packet response */ memcpy(&(tw_ioctl->firmware_command), tw_dev->command_packet_virt[request_id], sizeof(TW_Command_Full)); - + /* Now complete the io */ spin_lock_irqsave(tw_dev->host->host_lock, flags); tw_dev->posted_request_count--; @@ -766,7 +766,7 @@ static long twa_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long if (tw_dev->aen_clobber) { tw_ioctl->driver_command.status = TW_IOCTL_ERROR_STATUS_AEN_CLOBBER; tw_dev->aen_clobber = 0; - } else + } else tw_ioctl->driver_command.status = 0; event_index = tw_dev->error_index; } else { @@ -1067,8 +1067,8 @@ static void *twa_get_param(TW_Device_Extension *tw_dev, int request_id, int tabl command_packet = &full_command_packet->command.oldcommand; command_packet->opcode__sgloffset = TW_OPSGL_IN(2, TW_OP_GET_PARAM); - command_packet->size = TW_COMMAND_SIZE; - command_packet->request_id = request_id; + command_packet->size = TW_COMMAND_SIZE; + command_packet->request_id = request_id; command_packet->byte6_offset.block_count = cpu_to_le16(1); /* Now setup the param */ @@ -1106,14 +1106,14 @@ static void twa_get_request_id(TW_Device_Extension *tw_dev, int *request_id) /* This function will send an initconnection command to controller */ static int twa_initconnection(TW_Device_Extension *tw_dev, int message_credits, - u32 set_features, unsigned short current_fw_srl, - unsigned short current_fw_arch_id, - unsigned short current_fw_branch, - unsigned short current_fw_build, - unsigned short *fw_on_ctlr_srl, - unsigned short *fw_on_ctlr_arch_id, - unsigned short *fw_on_ctlr_branch, - unsigned short *fw_on_ctlr_build, + u32 set_features, unsigned short current_fw_srl, + unsigned short current_fw_arch_id, + unsigned short current_fw_branch, + unsigned short current_fw_build, + unsigned short *fw_on_ctlr_srl, + unsigned short *fw_on_ctlr_arch_id, + unsigned short *fw_on_ctlr_branch, + unsigned short *fw_on_ctlr_build, u32 *init_connect_result) { TW_Command_Full *full_command_packet; @@ -1124,7 +1124,7 @@ static int twa_initconnection(TW_Device_Extension *tw_dev, int message_credits, full_command_packet = tw_dev->command_packet_virt[request_id]; memset(full_command_packet, 0, sizeof(TW_Command_Full)); full_command_packet->header.header_desc.size_header = 128; - + tw_initconnect = (TW_Initconnect *)&full_command_packet->command.oldcommand; tw_initconnect->opcode__reserved = TW_OPRES_IN(0, TW_OP_INIT_CONNECTION); tw_initconnect->request_id = request_id; @@ -1142,7 +1142,7 @@ static int twa_initconnection(TW_Device_Extension *tw_dev, int message_credits, tw_initconnect->fw_arch_id = cpu_to_le16(current_fw_arch_id); tw_initconnect->fw_branch = cpu_to_le16(current_fw_branch); tw_initconnect->fw_build = cpu_to_le16(current_fw_build); - } else + } else tw_initconnect->size = TW_INIT_COMMAND_PACKET_SIZE; /* Send command packet to the board */ @@ -1455,7 +1455,7 @@ out: /* This function will poll the status register for a flag */ static int twa_poll_status(TW_Device_Extension *tw_dev, u32 flag, int seconds) { - u32 status_reg_value; + u32 status_reg_value; unsigned long before; int retval = 1; @@ -1770,7 +1770,7 @@ static int twa_scsi_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_ /* Save done function into scsi_cmnd struct */ SCpnt->scsi_done = done; - + /* Get a free request id */ twa_get_request_id(tw_dev, &request_id); diff --git a/drivers/scsi/3w-9xxx.h b/drivers/scsi/3w-9xxx.h index d88cd3499bd5..d3f479324527 100644 --- a/drivers/scsi/3w-9xxx.h +++ b/drivers/scsi/3w-9xxx.h @@ -49,8 +49,8 @@ /* AEN string type */ typedef struct TAG_twa_message_type { - unsigned int code; - char* text; + unsigned int code; + char* text; } twa_message_type; /* AEN strings */ @@ -263,9 +263,9 @@ static twa_message_type twa_error_table[] = { #define TW_CONTROL_ENABLE_INTERRUPTS 0x00000080 #define TW_CONTROL_DISABLE_INTERRUPTS 0x00000040 #define TW_CONTROL_ISSUE_HOST_INTERRUPT 0x00000020 -#define TW_CONTROL_CLEAR_PARITY_ERROR 0x00800000 -#define TW_CONTROL_CLEAR_QUEUE_ERROR 0x00400000 -#define TW_CONTROL_CLEAR_PCI_ABORT 0x00100000 +#define TW_CONTROL_CLEAR_PARITY_ERROR 0x00800000 +#define TW_CONTROL_CLEAR_QUEUE_ERROR 0x00400000 +#define TW_CONTROL_CLEAR_PCI_ABORT 0x00100000 /* Status register bit definitions */ #define TW_STATUS_MAJOR_VERSION_MASK 0xF0000000 @@ -284,25 +284,25 @@ static twa_message_type twa_error_table[] = { #define TW_STATUS_COMMAND_QUEUE_EMPTY 0x00001000 #define TW_STATUS_EXPECTED_BITS 0x00002000 #define TW_STATUS_UNEXPECTED_BITS 0x00F00000 -#define TW_STATUS_VALID_INTERRUPT 0x00DF0000 +#define TW_STATUS_VALID_INTERRUPT 0x00DF0000 /* PCI related defines */ #define TW_PCI_CLEAR_PARITY_ERRORS 0xc100 #define TW_PCI_CLEAR_PCI_ABORT 0x2000 /* Command packet opcodes used by the driver */ -#define TW_OP_INIT_CONNECTION 0x1 -#define TW_OP_GET_PARAM 0x12 -#define TW_OP_SET_PARAM 0x13 -#define TW_OP_EXECUTE_SCSI 0x10 +#define TW_OP_INIT_CONNECTION 0x1 +#define TW_OP_GET_PARAM 0x12 +#define TW_OP_SET_PARAM 0x13 +#define TW_OP_EXECUTE_SCSI 0x10 #define TW_OP_DOWNLOAD_FIRMWARE 0x16 -#define TW_OP_RESET 0x1C +#define TW_OP_RESET 0x1C /* Asynchronous Event Notification (AEN) codes used by the driver */ -#define TW_AEN_QUEUE_EMPTY 0x0000 -#define TW_AEN_SOFT_RESET 0x0001 +#define TW_AEN_QUEUE_EMPTY 0x0000 +#define TW_AEN_SOFT_RESET 0x0001 #define TW_AEN_SYNC_TIME_WITH_HOST 0x031 -#define TW_AEN_SEVERITY_ERROR 0x1 +#define TW_AEN_SEVERITY_ERROR 0x1 #define TW_AEN_SEVERITY_DEBUG 0x4 #define TW_AEN_NOT_RETRIEVED 0x1 #define TW_AEN_RETRIEVED 0x2 @@ -323,9 +323,9 @@ static twa_message_type twa_error_table[] = { /* Misc defines */ #define TW_9550SX_DRAIN_COMPLETED 0xFFFF -#define TW_SECTOR_SIZE 512 -#define TW_ALIGNMENT_9000 4 /* 4 bytes */ -#define TW_ALIGNMENT_9000_SGL 0x3 +#define TW_SECTOR_SIZE 512 +#define TW_ALIGNMENT_9000 4 /* 4 bytes */ +#define TW_ALIGNMENT_9000_SGL 0x3 #define TW_MAX_UNITS 16 #define TW_MAX_UNITS_9650SE 32 #define TW_INIT_MESSAGE_CREDITS 0x100 @@ -338,7 +338,7 @@ static twa_message_type twa_error_table[] = { #define TW_BASE_FW_SRL 24 #define TW_BASE_FW_BRANCH 0 #define TW_BASE_FW_BUILD 1 -#define TW_FW_SRL_LUNS_SUPPORTED 28 +#define TW_FW_SRL_LUNS_SUPPORTED 28 #define TW_Q_LENGTH 256 #define TW_Q_START 0 #define TW_MAX_SLOT 32 @@ -346,19 +346,19 @@ static twa_message_type twa_error_table[] = { #define TW_MAX_CMDS_PER_LUN 254 #define TW_MAX_RESPONSE_DRAIN 256 #define TW_MAX_AEN_DRAIN 255 -#define TW_IN_RESET 2 +#define TW_IN_RESET 2 #define TW_USING_MSI 3 #define TW_IN_ATTENTION_LOOP 4 -#define TW_MAX_SECTORS 256 -#define TW_AEN_WAIT_TIME 1000 -#define TW_IOCTL_WAIT_TIME (1 * HZ) /* 1 second */ -#define TW_MAX_CDB_LEN 16 -#define TW_ISR_DONT_COMPLETE 2 -#define TW_ISR_DONT_RESULT 3 -#define TW_IOCTL_CHRDEV_TIMEOUT 60 /* 60 seconds */ -#define TW_IOCTL_CHRDEV_FREE -1 -#define TW_COMMAND_OFFSET 128 /* 128 bytes */ -#define TW_VERSION_TABLE 0x0402 +#define TW_MAX_SECTORS 256 +#define TW_AEN_WAIT_TIME 1000 +#define TW_IOCTL_WAIT_TIME (1 * HZ) /* 1 second */ +#define TW_MAX_CDB_LEN 16 +#define TW_ISR_DONT_COMPLETE 2 +#define TW_ISR_DONT_RESULT 3 +#define TW_IOCTL_CHRDEV_TIMEOUT 60 /* 60 seconds */ +#define TW_IOCTL_CHRDEV_FREE -1 +#define TW_COMMAND_OFFSET 128 /* 128 bytes */ +#define TW_VERSION_TABLE 0x0402 #define TW_TIMEKEEP_TABLE 0x040A #define TW_INFORMATION_TABLE 0x0403 #define TW_PARAM_FWVER 3 @@ -367,22 +367,22 @@ static twa_message_type twa_error_table[] = { #define TW_PARAM_BIOSVER_LENGTH 16 #define TW_PARAM_PORTCOUNT 3 #define TW_PARAM_PORTCOUNT_LENGTH 1 -#define TW_MIN_SGL_LENGTH 0x200 /* 512 bytes */ -#define TW_MAX_SENSE_LENGTH 256 -#define TW_EVENT_SOURCE_AEN 0x1000 -#define TW_EVENT_SOURCE_COMMAND 0x1001 -#define TW_EVENT_SOURCE_PCHIP 0x1002 -#define TW_EVENT_SOURCE_DRIVER 0x1003 +#define TW_MIN_SGL_LENGTH 0x200 /* 512 bytes */ +#define TW_MAX_SENSE_LENGTH 256 +#define TW_EVENT_SOURCE_AEN 0x1000 +#define TW_EVENT_SOURCE_COMMAND 0x1001 +#define TW_EVENT_SOURCE_PCHIP 0x1002 +#define TW_EVENT_SOURCE_DRIVER 0x1003 #define TW_IOCTL_GET_COMPATIBILITY_INFO 0x101 -#define TW_IOCTL_GET_LAST_EVENT 0x102 -#define TW_IOCTL_GET_FIRST_EVENT 0x103 -#define TW_IOCTL_GET_NEXT_EVENT 0x104 -#define TW_IOCTL_GET_PREVIOUS_EVENT 0x105 -#define TW_IOCTL_GET_LOCK 0x106 -#define TW_IOCTL_RELEASE_LOCK 0x107 -#define TW_IOCTL_FIRMWARE_PASS_THROUGH 0x108 +#define TW_IOCTL_GET_LAST_EVENT 0x102 +#define TW_IOCTL_GET_FIRST_EVENT 0x103 +#define TW_IOCTL_GET_NEXT_EVENT 0x104 +#define TW_IOCTL_GET_PREVIOUS_EVENT 0x105 +#define TW_IOCTL_GET_LOCK 0x106 +#define TW_IOCTL_RELEASE_LOCK 0x107 +#define TW_IOCTL_FIRMWARE_PASS_THROUGH 0x108 #define TW_IOCTL_ERROR_STATUS_NOT_LOCKED 0x1001 // Not locked -#define TW_IOCTL_ERROR_STATUS_LOCKED 0x1002 // Already locked +#define TW_IOCTL_ERROR_STATUS_LOCKED 0x1002 // Already locked #define TW_IOCTL_ERROR_STATUS_NO_MORE_EVENTS 0x1003 // No more events #define TW_IOCTL_ERROR_STATUS_AEN_CLOBBER 0x1004 // AEN clobber occurred #define TW_IOCTL_ERROR_OS_EFAULT -EFAULT // Bad address @@ -397,12 +397,12 @@ static twa_message_type twa_error_table[] = { #define TW_SENSE_DATA_LENGTH 18 #define TW_STATUS_CHECK_CONDITION 2 #define TW_ERROR_LOGICAL_UNIT_NOT_SUPPORTED 0x10a -#define TW_ERROR_UNIT_OFFLINE 0x128 +#define TW_ERROR_UNIT_OFFLINE 0x128 #define TW_MESSAGE_SOURCE_CONTROLLER_ERROR 3 #define TW_MESSAGE_SOURCE_CONTROLLER_EVENT 4 -#define TW_MESSAGE_SOURCE_LINUX_DRIVER 6 +#define TW_MESSAGE_SOURCE_LINUX_DRIVER 6 #define TW_DRIVER TW_MESSAGE_SOURCE_LINUX_DRIVER -#define TW_MESSAGE_SOURCE_LINUX_OS 9 +#define TW_MESSAGE_SOURCE_LINUX_OS 9 #define TW_OS TW_MESSAGE_SOURCE_LINUX_OS #ifndef PCI_DEVICE_ID_3WARE_9000 #define PCI_DEVICE_ID_3WARE_9000 0x1002 @@ -434,24 +434,38 @@ static twa_message_type twa_error_table[] = { #define TW_RESID_OUT(x) ((x >> 4) & 0xff) /* request_id: 12, lun: 4 */ -#define TW_REQ_LUN_IN(lun, request_id) (((lun << 12) & 0xf000) | (request_id & 0xfff)) +#define TW_REQ_LUN_IN(lun, request_id) \ + (((lun << 12) & 0xf000) | (request_id & 0xfff)) #define TW_LUN_OUT(lun) ((lun >> 12) & 0xf) /* Macros */ #define TW_CONTROL_REG_ADDR(x) (x->base_addr) #define TW_STATUS_REG_ADDR(x) ((unsigned char __iomem *)x->base_addr + 0x4) -#define TW_COMMAND_QUEUE_REG_ADDR(x) (sizeof(dma_addr_t) > 4 ? ((unsigned char __iomem *)x->base_addr + 0x20) : ((unsigned char __iomem *)x->base_addr + 0x8)) -#define TW_COMMAND_QUEUE_REG_ADDR_LARGE(x) ((unsigned char __iomem *)x->base_addr + 0x20) -#define TW_RESPONSE_QUEUE_REG_ADDR(x) ((unsigned char __iomem *)x->base_addr + 0xC) -#define TW_RESPONSE_QUEUE_REG_ADDR_LARGE(x) ((unsigned char __iomem *)x->base_addr + 0x30) -#define TW_CLEAR_ALL_INTERRUPTS(x) (writel(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x))) -#define TW_CLEAR_ATTENTION_INTERRUPT(x) (writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x))) -#define TW_CLEAR_HOST_INTERRUPT(x) (writel(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x))) -#define TW_DISABLE_INTERRUPTS(x) (writel(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x))) -#define TW_ENABLE_AND_CLEAR_INTERRUPTS(x) (writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | TW_CONTROL_UNMASK_RESPONSE_INTERRUPT | TW_CONTROL_ENABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x))) -#define TW_MASK_COMMAND_INTERRUPT(x) (writel(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x))) -#define TW_UNMASK_COMMAND_INTERRUPT(x) (writel(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x))) -#define TW_SOFT_RESET(x) (writel(TW_CONTROL_ISSUE_SOFT_RESET | \ +#define TW_COMMAND_QUEUE_REG_ADDR(x) \ + (sizeof(dma_addr_t) > 4 ? ((unsigned char __iomem *)x->base_addr + 0x20) : ((unsigned char __iomem *)x->base_addr + 0x8)) +#define TW_COMMAND_QUEUE_REG_ADDR_LARGE(x) \ + ((unsigned char __iomem *)x->base_addr + 0x20) +#define TW_RESPONSE_QUEUE_REG_ADDR(x) \ + ((unsigned char __iomem *)x->base_addr + 0xC) +#define TW_RESPONSE_QUEUE_REG_ADDR_LARGE(x) \ + ((unsigned char __iomem *)x->base_addr + 0x30) +#define TW_CLEAR_ALL_INTERRUPTS(x) \ + (writel(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x))) +#define TW_CLEAR_ATTENTION_INTERRUPT(x) \ + (writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x))) +#define TW_CLEAR_HOST_INTERRUPT(x) \ + (writel(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x))) +#define TW_DISABLE_INTERRUPTS(x) \ + (writel(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x))) +#define TW_ENABLE_AND_CLEAR_INTERRUPTS(x) \ + (writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \ + TW_CONTROL_UNMASK_RESPONSE_INTERRUPT | \ + TW_CONTROL_ENABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x))) +#define TW_MASK_COMMAND_INTERRUPT(x) \ + (writel(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x))) +#define TW_UNMASK_COMMAND_INTERRUPT(x) \ + (writel(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x))) +#define TW_SOFT_RESET(x) (writel(TW_CONTROL_ISSUE_SOFT_RESET | \ TW_CONTROL_CLEAR_HOST_INTERRUPT | \ TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \ TW_CONTROL_MASK_COMMAND_INTERRUPT | \ @@ -586,7 +600,7 @@ typedef struct TAG_TW_Ioctl_Driver_Command { typedef struct TAG_TW_Ioctl_Apache { TW_Ioctl_Driver_Command driver_command; - char padding[488]; + char padding[488]; TW_Command_Full firmware_command; char data_buffer[1]; } TW_Ioctl_Buf_Apache; @@ -634,10 +648,10 @@ typedef struct TAG_TW_Compatibility_Info #pragma pack() typedef struct TAG_TW_Device_Extension { - u32 __iomem *base_addr; - unsigned long *generic_buffer_virt[TW_Q_LENGTH]; - dma_addr_t generic_buffer_phys[TW_Q_LENGTH]; - TW_Command_Full *command_packet_virt[TW_Q_LENGTH]; + u32 __iomem *base_addr; + unsigned long *generic_buffer_virt[TW_Q_LENGTH]; + dma_addr_t generic_buffer_phys[TW_Q_LENGTH]; + TW_Command_Full *command_packet_virt[TW_Q_LENGTH]; dma_addr_t command_packet_phys[TW_Q_LENGTH]; struct pci_dev *tw_pci_dev; struct scsi_cmnd *srb[TW_Q_LENGTH]; @@ -647,10 +661,10 @@ typedef struct TAG_TW_Device_Extension { unsigned char pending_queue[TW_Q_LENGTH]; unsigned char pending_head; unsigned char pending_tail; - int state[TW_Q_LENGTH]; + int state[TW_Q_LENGTH]; unsigned int posted_request_count; unsigned int max_posted_request_count; - unsigned int pending_request_count; + unsigned int pending_request_count; unsigned int max_pending_request_count; unsigned int max_sgl_entries; unsigned int sgl_entries; @@ -661,12 +675,12 @@ typedef struct TAG_TW_Device_Extension { struct Scsi_Host *host; long flags; int reset_print; - TW_Event *event_queue[TW_Q_LENGTH]; - unsigned char error_index; + TW_Event *event_queue[TW_Q_LENGTH]; + unsigned char error_index; unsigned char event_queue_wrapped; - unsigned int error_sequence_id; - int ioctl_sem_lock; - ktime_t ioctl_time; + unsigned int error_sequence_id; + int ioctl_sem_lock; + ktime_t ioctl_time; int chrdev_request_id; wait_queue_head_t ioctl_wqueue; struct mutex ioctl_lock; |