drivers/scsi/wd719x.h

1 /* SPDX-License-Identifier: GPL-2.0 */
29 /* Spider Command Block (SCB) */
31 	__le32 Int_SCB;	/* 00-03 Internal SCB link pointer (must be cleared) */
32 	u8 SCB_opcode;	/* 04 SCB Command opcode */
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 */
43 	u8 SCB_options;	/* 42 SCB-options */
46 	__le32 req_ptr;	/* 44-47 Ptr to Host Request returned on interrupt */
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) */
56 	u8 flags[2];	/* 62-63 SCB specific flags (local to each thread) */
58 	dma_addr_t phys;	/* bus address of the SCB */
115 #define WD719X_CMD_PROCESS_SCB	0x80 /* Process SCSI Control Block (SCB) */
116 /* No interrupt generated on acceptance of SCB pointer */
131 #define WD719X_SUE_SCBQFULL	0x02 /* SCB queue full */
133 #define WD719X_SUE_TERM		0x04 /* Host terminated SCB via primative cmd */
147 #define WD719X_SUE_WRONGTAGS	0x19 /* Tagged SCB & tags off (or vice versa) */
151 /* code sizes */
172 /* SCB flags */
240 	__le16 tag_en;	/* Tag msg enables (ID 0-15) */
242 	__le32 wide;	/* WIDE msg options (ID 0-15) */
243 	__le32 sync;	/* SYNC msg options (ID 0-15) */