dev/advansys/adwcam.c

78 static __inline struct acb*	adwgetacb(struct adw_softc *adw);
80 					   struct acb *acb);
95 static void		adwprocesserror(struct adw_softc *adw, struct acb *acb);
102 static __inline struct acb*
105 	struct	acb* acb;
109 	if ((acb = SLIST_FIRST(&adw->free_acb_list)) != NULL) {
113 		acb = SLIST_FIRST(&adw->free_acb_list);
114 		if (acb == NULL)
121 	return (acb);
125 adwfreeacb(struct adw_softc *adw, struct acb *acb)
130 	if ((acb->state & ACB_ACTIVE) != 0)
131 		LIST_REMOVE(&acb->ccb->ccb_h, sim_links.le);
132 	if ((acb->state & ACB_RELEASE_SIMQ) != 0)
133 		acb->ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
135 	      && (acb->ccb->ccb_h.status & CAM_RELEASE_SIMQ) == 0) {
136 		acb->ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
139 	acb->state = ACB_FREE;
140 	SLIST_INSERT_HEAD(&adw->free_acb_list, acb, links);
184 	struct acb *next_acb;
211 		    acbvtob(adw, next_acb) + offsetof(struct acb, sense_data);
228 	struct	 acb *acb;
232 	acb = (struct acb *)arg;
233 	ccb = acb->ccb;
246 		adwfreeacb(adw, acb);
254 		acb->queue.data_addr = dm_segs[0].ds_addr;
255 		acb->queue.data_cnt = ccb->csio.dxfer_len;
265 			sg_busaddr = acb->sg_busaddr;
268 			for (sg_block = acb->sg_blocks;; sg_block++) {
292 			acb->queue.sg_real_addr = acb->sg_busaddr;
294 			acb->queue.sg_real_addr = 0;
302 		bus_dmamap_sync(adw->buffer_dmat, acb->dmamap, op);
305 		acb->queue.data_addr = 0;
306 		acb->queue.data_cnt = 0;
307 		acb->queue.sg_real_addr = 0;
316 			bus_dmamap_unload(adw->buffer_dmat, acb->dmamap);
317 		adwfreeacb(adw, acb);
322 	acb->state |= ACB_ACTIVE;
325 	callout_reset_sbt(&acb->timer, SBT_1MS * ccb->ccb_h.timeout, 0,
326 	    adwtimeout, acb, 0);
328 	adw_send_acb(adw, acb, acbvtob(adw, acb));
347 		struct	acb *acb;
359 		if ((acb = adwgetacb(adw)) == NULL) {
367 		/* Link acb and ccb so we can find one from the other */
368 		acb->ccb = ccb;
369 		ccb->ccb_h.ccb_acb_ptr = acb;
372 		acb->queue.cntl = 0;
373 		acb->queue.target_cmd = 0;
374 		acb->queue.target_id = ccb->ccb_h.target_id;
375 		acb->queue.target_lun = ccb->ccb_h.target_lun;
377 		acb->queue.mflag = 0;
378 		acb->queue.sense_len =
379 			MIN(csio->sense_len, sizeof(acb->sense_data));
380 		acb->queue.cdb_len = csio->cdb_len;
384 				acb->queue.scsi_cntl = ADW_QSC_SIMPLE_Q_TAG;
387 				acb->queue.scsi_cntl = ADW_QSC_HEAD_OF_Q_TAG;
390 				acb->queue.scsi_cntl = ADW_QSC_ORDERED_Q_TAG;
393 				acb->queue.scsi_cntl = ADW_QSC_NO_TAGMSG;
397 			acb->queue.scsi_cntl = ADW_QSC_NO_TAGMSG;
400 			acb->queue.scsi_cntl |= ADW_QSC_NO_DISC;
402 		acb->queue.done_status = 0;
403 		acb->queue.scsi_status = 0;
404 		acb->queue.host_status = 0;
405 		acb->queue.sg_wk_ix = 0;
409 				      acb->queue.cdb, csio->cdb_len);
413 				adwfreeacb(adw, acb);
419 			      acb->queue.cdb, csio->cdb_len);
423 					    acb->dmamap,
426 					    acb, /*flags*/0);
433 			acb->state |= CAM_RELEASE_SIMQ;
1039 	/* DMA tag for our acb structures */
1048 			/* maxsize	*/ adw->max_acbs * sizeof(struct acb),
1070 			adw->max_acbs * sizeof(struct acb),
1074 	bzero(adw->acbs, adw->max_acbs * sizeof(struct acb));
1250 		struct acb *acb;
1264 		acb = acbbotov(adw, adw->responseq->areq_ba);
1278 		ccb = acb->ccb;
1279 		callout_stop(&acb->timer);
1287 			bus_dmamap_sync(adw->buffer_dmat, acb->dmamap, op);
1288 			bus_dmamap_unload(adw->buffer_dmat, acb->dmamap);
1289 			ccb->csio.resid = acb->queue.data_cnt;
1294 		if (acb->queue.host_status == QHSTA_NO_ERROR
1295 		 && (acb->queue.done_status == QD_NO_ERROR
1296 		  || acb->queue.done_status == QD_WITH_ERROR)) {
1297 			ccb->csio.scsi_status = acb->queue.scsi_status;
1305 				bcopy(&acb->sense_data, &ccb->csio.sense_data,
1308 				ccb->csio.sense_resid = acb->queue.sense_len;
1316 			adwfreeacb(adw, acb);
1319 			adwprocesserror(adw, acb);
1325 adwprocesserror(struct adw_softc *adw, struct acb *acb)
1329 	ccb = acb->ccb;
1330 	if (acb->queue.done_status == QD_ABORTED_BY_HOST) {
1334 		switch (acb->queue.host_status) {
1394 			ccb->csio.scsi_status = acb->queue.scsi_status;
1400 			    acb->queue.host_status);
1404 	if ((acb->state & ACB_RECOVERY_ACB) != 0) {
1413 	adwfreeacb(adw, acb);
1420 	struct acb	     *acb;
1426 	acb = (struct acb *)arg;
1427 	ccb = acb->ccb;
1430 	printf("ACB %p - timed out\n", (void *)acb);
1434 	if ((acb->state & ACB_ACTIVE) == 0) {
1437 		       (void *)acb);
1441 	acb->state |= ACB_RECOVERY_ACB;