76 #define	SCB_IS_SCSIBUS_B(ahd, scb) (0)  argument
77 #define	SCB_GET_OUR_ID(scb) \  argument
78 	SCSIID_OUR_ID((scb)->hscb->scsiid)
79 #define	SCB_GET_TARGET(ahd, scb) \  argument
80 	SCSIID_TARGET((ahd), (scb)->hscb->scsiid)
81 #define	SCB_GET_CHANNEL(ahd, scb) \  argument
82 	SCSIID_CHANNEL(ahd, (scb)->hscb->scsiid)
83 #define	SCB_GET_LUN(scb) \  argument
84 	((scb)->hscb->lun)
85 #define SCB_GET_TARGET_OFFSET(ahd, scb)	\  argument
86 	SCB_GET_TARGET(ahd, scb)
87 #define SCB_GET_TARGET_MASK(ahd, scb) \  argument
88 	(0x01 << (SCB_GET_TARGET_OFFSET(ahd, scb)))
90 #define SCB_IS_SILENT(scb)					\  argument
92       && (((scb)->flags & SCB_SILENT) != 0))
94 #define SCB_IS_SILENT(scb)					\  argument
95 	(((scb)->flags & SCB_SILENT) != 0)
109 #define SCB_GET_TAG(scb) \  argument
110 	ahd_le16toh(scb->hscb->tag)
120 #define AHD_GET_SCB_COL_IDX(ahd, scb)				\  argument
121 	((SCB_GET_LUN(scb) << 4) | SCB_GET_TARGET(ahd, scb))
123 #define AHD_SET_SCB_COL_IDX(scb, col_idx)				\  argument
125 	(scb)->hscb->scsiid = ((col_idx) << TID_SHIFT) & TID;		\
126 	(scb)->hscb->lun = ((col_idx) >> 4) & (AHD_NUM_LUNS_NONPKT-1);	\
158  * The maximum amount of SCB storage in hardware on a controller.
179  * The maximum amount of SCB storage we allocate in host memory.
239 	/* The wrong SCB is accessed to check the abort pending bit. */
363 	AHD_SCB_CONFIG_USED   = 0x80000,/* No SEEPROM but SCB had info. */
371 /************************* Hardware  SCB Definition ***************************/
374  * The driver keeps up to MAX_SCB scb structures per card in memory.  The SCB
375  * consists of a "hardware SCB" mirroring the fields available on the card
378  * To minimize space utilization, a portion of the hardware scb stores
391  * an SCB after passing the cdb to the target.  The kernel
411  * Initiator mode SCB shared data area.
413  * the sense buffer address in the SCB.  This allows
433  * Target mode version of the shared data SCB segment.
452  * The scb is presented to the sequencer with the dataptr and datacnt
470  * sgptr and dma the scb back into host memory.  To sumarize:
480  *	o A residual can only have occurred if a completed scb has the
511 /************************ Kernel SCB Definitions ******************************/
513  * Some fields of the SCB are OS dependent.  Here we collect the
515  * in there SCB definition.
548  * The current state of this SCB.
565 					   * this SCB so we gave ourselves
592 struct scb {  struct
595 		SLIST_ENTRY(scb)  sle;  argument
596 		LIST_ENTRY(scb)	  le;
597 		TAILQ_ENTRY(scb)  tqe;
600 		SLIST_ENTRY(scb)  sle;  argument
601 		LIST_ENTRY(scb)	  le;
602 		TAILQ_ENTRY(scb)  tqe;
606 	struct scb		 *col_scb;  argument
623 TAILQ_HEAD(scb_tailq, scb);  argument
624 BSD_LIST_HEAD(scb_list, scb);
645 	 * Mapping from tag to SCB.
647 	struct	scb *scbindex[AHD_SCB_MAX];
652 	bus_dma_tag_t	 hscb_dmat;	/* dmat for our hardware SCB array */
1018 	/* Host and sequencer SCB counts */
1064 	BSD_LIST_HEAD(, scb)	  pending_scbs;
1338 /************************** SCB and SCB queue management **********************/
1340 					 struct scb *scb);
1360 struct scb		*ahd_get_scb(struct ahd_softc *ahd, u_int col_idx);
1361 void			 ahd_free_scb(struct ahd_softc *ahd, struct scb *scb);