Cross Reference: /src/sys/dev/ic/aic7xxx

Lines Matching defs:scb
64  * manual pause while accessing scb ram, accesses to certain registers
156 			ahc_sg_bus_to_virt(struct scb *scb,
159 			ahc_sg_virt_to_bus(struct scb *scb,
164 				     struct scb *scb, int op);
166 					struct scb *scb, int op);
172 ahc_sg_bus_to_virt(struct scb *scb, uint32_t sg_busaddr)
176 	sg_index = (sg_busaddr - scb->sg_list_phys)/sizeof(struct ahc_dma_seg);
180 	return (&scb->sg_list[sg_index]);
184 ahc_sg_virt_to_bus(struct scb *scb, struct ahc_dma_seg *sg)
189 	sg_index = sg - &scb->sg_list[1];
191 	return (scb->sg_list_phys + (sg_index * sizeof(*scb->sg_list)));
202 ahc_sync_scb(struct ahc_softc *ahc, struct scb *scb, int op)
206 			/*offset*/(scb->hscb - ahc->scb_data->hscbs) * sizeof(*scb->hscb),
207 			/*len*/sizeof(*scb->hscb), op);
211 ahc_sync_sglist(struct ahc_softc *ahc, struct scb *scb, int op)
213 	if (scb->sg_count == 0)
216 	ahc_dmamap_sync(ahc, ahc->parent_dmat, scb->sg_map->sg_dmamap,
217 			/*offset*/(scb->sg_list - scb->sg_map->sg_vaddr)
219 			/*len*/sizeof(struct ahc_dma_seg) * scb->sg_count, op);
240 					    struct scb *scb);
258 static __inline struct scb*
260 static __inline void	ahc_free_scb(struct ahc_softc *ahc, struct scb *scb);
262 						struct scb *scb);
263 static __inline void	ahc_queue_scb(struct ahc_softc *ahc, struct scb *scb);
266 					  struct scb *scb);
269 					      struct scb *scb);
273  * for this SCB/transaction.
276 ahc_update_residual(struct ahc_softc *ahc, struct scb *scb)
280 	sgptr = ahc_le32toh(scb->hscb->sgptr);
282 		ahc_calc_residual(ahc, scb);
365  * Get a free scb. If there are none, see if we can allocate a new SCB.
367 static __inline struct scb *
370 	struct scb *scb;
372 	if ((scb = SLIST_FIRST(&ahc->scb_data->free_scbs)) == NULL)
375 	return (scb);
379  * Return an SCB resource to the free list.
382 ahc_free_scb(struct ahc_softc *ahc, struct scb *scb)
386 	hscb = scb->hscb;
389 	scb->flags = SCB_FREE;
392 	SLIST_INSERT_HEAD(&ahc->scb_data->free_scbs, scb, links.sle);
395 	ahc_platform_scb_free(ahc, scb);
398 static __inline struct scb *
401 	struct scb* scb;
403 	scb = ahc->scb_data->scbindex[tag];
404 	if (scb != NULL)
405 		ahc_sync_scb(ahc, scb,
407 	return (scb);
411 ahc_swap_with_next_hscb(struct ahc_softc *ahc, struct scb *scb)
420 	 * SCB to download is saved off in ahc->next_queued_scb.
421 	 * When we are called to queue "an arbitrary scb",
424 	 * finally assign the SCB to the tag indexed location
426 	 * locate the correct SCB by SCB_TAG.
430 	memcpy(q_hscb, scb->hscb, sizeof(*scb->hscb));
431 	if ((scb->flags & SCB_CDB32_PTR) != 0) {
437 	q_hscb->next = scb->hscb->tag;
440 	ahc->next_queued_scb->hscb = scb->hscb;
441 	scb->hscb = q_hscb;
443 	/* Now define the mapping from tag to SCB in the scbindex */
444 	ahc->scb_data->scbindex[scb->hscb->tag] = scb;
451 ahc_queue_scb(struct ahc_softc *ahc, struct scb *scb)
453 	ahc_swap_with_next_hscb(ahc, scb);
455 	if (scb->hscb->tag == SCB_LIST_NULL
456 	 || scb->hscb->next == SCB_LIST_NULL)
457 		panic("Attempt to queue invalid SCB tag %x:%x\n",
458 		      scb->hscb->tag, scb->hscb->next);
462 	ahc->qinfifo[ahc->qinfifonext++] = scb->hscb->tag;
468 	ahc_sync_scb(ahc, scb, BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
470 	/* Tell the adapter about the newly queued SCB */
483 ahc_get_sense_buf(struct ahc_softc *ahc, struct scb *scb)
487 	offset = scb - ahc->scb_data->scbarray;
492 ahc_get_sense_bufaddr(struct ahc_softc *ahc, struct scb *scb)
496 	offset = scb - ahc->scb_data->scbarray;
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