drivers/scsi/wd719x.h

30 struct wd719x_scb {  struct
31 	__le32 Int_SCB;	/* 00-03 Internal SCB link pointer (must be cleared) */
32 	u8 SCB_opcode;	/* 04 SCB Command opcode */
33 	u8 CDB_tag;	/* 05 SCSI Tag byte for CDB queues (0 if untagged) */
34 	u8 lun;		/* 06 SCSI LUN */
35 	u8 devid;	/* 07 SCSI Device ID */
36 	u8 CDB[16];	/* 08-23 SCSI CDB (16 bytes as defined by ANSI spec. */
37 	__le32 data_p;	/* 24-27 Data transfer address (or SG list address) */
38 	__le32 data_length; /* 28-31 Data transfer Length (or SG list length) */
39 	__le32 CDB_link;    /* 32-35 SCSI CDB Link Ptr */
40 	__le32 sense_buf;   /* 36-39 Auto request sense buffer address */
41 	u8 sense_buf_length;/* 40 Auto request sense transfer length */
42 	u8 reserved;	/* 41 reserved */
43 	u8 SCB_options;	/* 42 SCB-options */
44 	u8 SCB_tag_msg;	/* 43 Tagged messages options */
46 	__le32 req_ptr;	/* 44-47 Ptr to Host Request returned on interrupt */
47 	u8 host_opcode;	/* 48 Host Command Opcode (same as AMR_00) */
48 	u8 scsi_stat;	/* 49 SCSI Status returned */
49 	u8 ret_error;	/* 50 SPIDER Unique Error Code returned (SUE) */
50 	u8 int_stat;	/* 51 Message u8 / Interrupt Status byte returned */
51 	__le32 transferred; /* 52-55 Bytes Transferred */
52 	u8 last_trans[3];  /* 56-58 Bytes Transferred in last session */
53 	u8 length;	/* 59 SCSI Messages Length (1-8) */
54 	u8 sync_offset;	/* 60 Synchronous offset */
55 	u8 sync_rate;	/* 61 Synchronous rate */
56 	u8 flags[2];	/* 62-63 SCB specific flags (local to each thread) */
58 	dma_addr_t phys;	/* bus address of the SCB */
59 	dma_addr_t dma_handle;
60 	struct scsi_cmnd *cmd;	/* a copy of the pointer we were passed */
61 	struct list_head list;
62 	struct wd719x_sglist sg_list[WD719X_SG] __aligned(8); /* SG list */