#define TW_OP_AEN_LISTEN 0x1c
#define TW_OP_FLUSH_CACHE 0x0e
#define TW_CMD_PACKET 0x1d
-#define TW_ATA_PASSTHRU 0x1e
#define TW_CMD_PACKET_WITH_DATA 0x1f
/* Asynchronous Event Notification (AEN) Codes */
#define TW_AEN_SMART_FAIL 0x000F
#define TW_AEN_SBUF_FAIL 0x0024
+/* Phase defines */
+#define TW_PHASE_INITIAL 0
+#define TW_PHASE_SINGLE 1
+#define TW_PHASE_SGLIST 2
+
/* Misc defines */
#define TW_ALIGNMENT_6000 64 /* 64 bytes */
#define TW_ALIGNMENT_7000 4 /* 4 bytes */
#define TW_POLL_MAX_RETRIES 20000
#define TW_MAX_SGL_LENGTH 62
#define TW_ATA_PASS_SGL_MAX 60
-#define TW_MAX_PASSTHRU_BYTES 4096
#define TW_Q_LENGTH 256
#define TW_Q_START 0
#define TW_MAX_SLOT 32
#define TW_IOCTL 0x80
#define TW_UNIT_ONLINE 1
#define TW_IN_INTR 1
-#define TW_IN_IOCTL 2
+#define TW_IN_RESET 2
#define TW_IN_CHRDEV_IOCTL 3
#define TW_MAX_SECTORS 256
#define TW_AEN_WAIT_TIME 1000
#define TW_IOCTL_TIMEOUT 25 /* 25 seconds */
#define TW_IOCTL_CHRDEV_TIMEOUT 60 /* 60 seconds */
#define TW_IOCTL_CHRDEV_FREE -1
+#define TW_DMA_MASK DMA_32BIT_MASK
+#define TW_MAX_CDB_LEN 16
+
+/* Bitmask macros to eliminate bitfields */
+
+/* opcode: 5, sgloffset: 3 */
+#define TW_OPSGL_IN(x,y) ((x << 5) | (y & 0x1f))
+#define TW_SGL_OUT(x) ((x >> 5) & 0x7)
+
+/* reserved_1: 4, response_id: 8, reserved_2: 20 */
+#define TW_RESID_OUT(x) ((x >> 4) & 0xff)
+
+/* unit: 4, host_id: 4 */
+#define TW_UNITHOST_IN(x,y) ((x << 4) | ( y & 0xf))
+#define TW_UNIT_OUT(x) (x & 0xf)
/* Macros */
+#define TW_CONTROL_REG_ADDR(x) (x->base_addr)
+#define TW_STATUS_REG_ADDR(x) (x->base_addr + 0x4)
+#define TW_COMMAND_QUEUE_REG_ADDR(x) (x->base_addr + 0x8)
+#define TW_RESPONSE_QUEUE_REG_ADDR(x) (x->base_addr + 0xC)
+#define TW_CLEAR_ALL_INTERRUPTS(x) (outl(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
+#define TW_CLEAR_ATTENTION_INTERRUPT(x) (outl(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
+#define TW_CLEAR_HOST_INTERRUPT(x) (outl(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
+#define TW_DISABLE_INTERRUPTS(x) (outl(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
+#define TW_ENABLE_AND_CLEAR_INTERRUPTS(x) (outl(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) (outl(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
+#define TW_UNMASK_COMMAND_INTERRUPT(x) (outl(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
+#define TW_SOFT_RESET(x) (outl(TW_CONTROL_ISSUE_SOFT_RESET | \
+ TW_CONTROL_CLEAR_HOST_INTERRUPT | \
+ TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \
+ TW_CONTROL_MASK_COMMAND_INTERRUPT | \
+ TW_CONTROL_MASK_RESPONSE_INTERRUPT | \
+ TW_CONTROL_CLEAR_ERROR_STATUS | \
+ TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
#define TW_STATUS_ERRORS(x) \
(((x & TW_STATUS_PCI_ABORT) || \
(x & TW_STATUS_PCI_PARITY_ERROR) || \
/* Command Packet */
typedef struct TW_Command {
- /* First DWORD */
- struct {
- unsigned char opcode:5;
- unsigned char sgl_offset:3;
- } byte0;
+ unsigned char opcode__sgloffset;
unsigned char size;
unsigned char request_id;
- struct {
- unsigned char unit:4;
- unsigned char host_id:4;
- } byte3;
+ unsigned char unit__hostid;
/* Second DWORD */
unsigned char status;
unsigned char flags;
/* Response queue */
typedef union TAG_TW_Response_Queue {
- struct {
- u32 undefined_1: 4;
- u32 response_id: 8;
- u32 undefined_2: 20;
- } u;
+ u32 response_id;
u32 value;
} TW_Response_Queue;
-typedef struct TAG_TW_Registers {
- u32 base_addr;
- u32 control_reg_addr;
- u32 status_reg_addr;
- u32 command_que_addr;
- u32 response_que_addr;
-} TW_Registers;
-
-typedef struct TAG_TW_Info {
- char *buffer;
- int length;
- int offset;
- int position;
-} TW_Info;
-
typedef int TW_Cmd_State;
#define TW_S_INITIAL 0x1 /* Initial state */
/* Command header for ATA pass-thru */
typedef struct TAG_TW_Passthru
{
- struct {
- unsigned char opcode:5;
- unsigned char sgloff:3;
- } byte0;
+ unsigned char opcode__sgloffset;
unsigned char size;
unsigned char request_id;
- struct {
- unsigned char aport:4;
- unsigned char host_id:4;
- } byte3;
+ unsigned char aport__hostid;
unsigned char status;
unsigned char flags;
unsigned short param;
} TW_Passthru;
typedef struct TAG_TW_Device_Extension {
- TW_Registers registers;
+ u32 base_addr;
unsigned long *alignment_virtual_address[TW_Q_LENGTH];
unsigned long alignment_physical_address[TW_Q_LENGTH];
int is_unit_present[TW_MAX_UNITS];
unsigned long *command_packet_virtual_address[TW_Q_LENGTH];
unsigned long command_packet_physical_address[TW_Q_LENGTH];
struct pci_dev *tw_pci_dev;
- Scsi_Cmnd *srb[TW_Q_LENGTH];
+ struct scsi_cmnd *srb[TW_Q_LENGTH];
unsigned char free_queue[TW_Q_LENGTH];
unsigned char free_head;
unsigned char free_tail;
- unsigned char free_wrap;
unsigned char pending_queue[TW_Q_LENGTH];
unsigned char pending_head;
unsigned char pending_tail;
u32 max_pending_request_count;
u32 max_sgl_entries;
u32 sgl_entries;
- u32 num_aborts;
u32 num_resets;
u32 sector_count;
u32 max_sector_count;
u32 aen_count;
struct Scsi_Host *host;
- spinlock_t tw_lock;
struct semaphore ioctl_sem;
- int ioctl_size[TW_Q_LENGTH];
unsigned short aen_queue[TW_Q_LENGTH];
unsigned char aen_head;
unsigned char aen_tail;
volatile long flags; /* long req'd for set_bit --RR */
- unsigned long *ioctl_data[TW_Q_LENGTH];
int reset_print;
- char online;
volatile int chrdev_request_id;
wait_queue_head_t ioctl_wqueue;
} TW_Device_Extension;
#pragma pack()
-/* Function prototypes */
-int tw_aen_complete(TW_Device_Extension *tw_dev, int request_id);
-int tw_aen_drain_queue(TW_Device_Extension *tw_dev);
-int tw_aen_read_queue(TW_Device_Extension *tw_dev, int request_id);
-int tw_allocate_memory(TW_Device_Extension *tw_dev, int size, int which);
-int tw_check_bits(u32 status_reg_value);
-int tw_check_errors(TW_Device_Extension *tw_dev);
-void tw_clear_all_interrupts(TW_Device_Extension *tw_dev);
-void tw_clear_attention_interrupt(TW_Device_Extension *tw_dev);
-void tw_clear_host_interrupt(TW_Device_Extension *tw_dev);
-int tw_decode_bits(TW_Device_Extension *tw_dev, u32 status_reg_value, int print_host);
-int tw_decode_sense(TW_Device_Extension *tw_dev, int request_id, int fill_sense);
-void tw_disable_interrupts(TW_Device_Extension *tw_dev);
-void tw_empty_response_que(TW_Device_Extension *tw_dev);
-void tw_enable_interrupts(TW_Device_Extension *tw_dev);
-void tw_enable_and_clear_interrupts(TW_Device_Extension *tw_dev);
-int tw_findcards(Scsi_Host_Template *tw_host);
-void tw_free_device_extension(TW_Device_Extension *tw_dev);
-int tw_initconnection(TW_Device_Extension *tw_dev, int message_credits);
-int tw_initialize_device_extension(TW_Device_Extension *tw_dev);
-int tw_initialize_units(TW_Device_Extension *tw_dev);
-int tw_ioctl(TW_Device_Extension *tw_dev, int request_id);
-int tw_ioctl_complete(TW_Device_Extension *tw_dev, int request_id);
-void tw_mask_command_interrupt(TW_Device_Extension *tw_dev);
-int tw_poll_status(TW_Device_Extension *tw_dev, u32 flag, int seconds);
-int tw_poll_status_gone(TW_Device_Extension *tw_dev, u32 flag, int seconds);
-int tw_post_command_packet(TW_Device_Extension *tw_dev, int request_id);
-int tw_reset_device_extension(TW_Device_Extension *tw_dev);
-int tw_reset_sequence(TW_Device_Extension *tw_dev);
-int tw_scsi_biosparam(struct scsi_device *sdev, struct block_device *bdev,
- sector_t capacity, int geom[]);
-int tw_scsi_detect(Scsi_Host_Template *tw_host);
-int tw_scsi_eh_abort(Scsi_Cmnd *SCpnt);
-int tw_scsi_eh_reset(Scsi_Cmnd *SCpnt);
-int tw_scsi_queue(Scsi_Cmnd *cmd, void (*done) (Scsi_Cmnd *));
-int tw_scsi_release(struct Scsi_Host *tw_host);
-int tw_scsiop_inquiry(TW_Device_Extension *tw_dev, int request_id);
-int tw_scsiop_inquiry_complete(TW_Device_Extension *tw_dev, int request_id);
-int tw_scsiop_mode_sense(TW_Device_Extension *tw_dev, int request_id);
-int tw_scsiop_mode_sense_complete(TW_Device_Extension *tw_dev, int request_id);
-int tw_scsiop_read_capacity(TW_Device_Extension *tw_dev, int request_id);
-int tw_scsiop_read_capacity_complete(TW_Device_Extension *tw_dev, int request_id);
-int tw_scsiop_read_write(TW_Device_Extension *tw_dev, int request_id);
-int tw_scsiop_request_sense(TW_Device_Extension *tw_dev, int request_id);
-int tw_scsiop_synchronize_cache(TW_Device_Extension *tw_dev, int request_id);
-int tw_scsiop_test_unit_ready(TW_Device_Extension *tw_dev, int request_id);
-int tw_scsiop_test_unit_ready_complete(TW_Device_Extension *tw_dev, int request_id);
-int tw_setfeature(TW_Device_Extension *tw_dev, int parm, int param_size,
- unsigned char *val);
-int tw_setup_irq(TW_Device_Extension *tw_dev);
-int tw_shutdown_device(TW_Device_Extension *tw_dev);
-int tw_slave_configure(Scsi_Device *SDptr);
-void tw_soft_reset(TW_Device_Extension *tw_dev);
-int tw_state_request_finish(TW_Device_Extension *tw_dev,int request_id);
-int tw_state_request_start(TW_Device_Extension *tw_dev, int *request_id);
-void tw_unmask_command_interrupt(TW_Device_Extension *tw_dev);
-
#endif /* _3W_XXXX_H */
git://git.onelab.eu / linux-2.6.git / blobdiff