80 void ide_init_pc(struct ide_atapi_pc *pc)  in ide_init_pc()  argument
82 	memset(pc, 0, sizeof(*pc));  in ide_init_pc()
91 		      struct ide_atapi_pc *pc, void *buf, unsigned int bufflen)  in ide_queue_pc_tail()  argument
98 	ide_req(rq)->special = pc;  in ide_queue_pc_tail()
107 	memcpy(scsi_req(rq)->cmd, pc->c, 12);  in ide_queue_pc_tail()
120 	struct ide_atapi_pc pc;  in ide_do_test_unit_ready()  local
122 	ide_init_pc(&pc);  in ide_do_test_unit_ready()
123 	pc.c[0] = TEST_UNIT_READY;  in ide_do_test_unit_ready()
125 	return ide_queue_pc_tail(drive, disk, &pc, NULL, 0);  in ide_do_test_unit_ready()
131 	struct ide_atapi_pc pc;  in ide_do_start_stop()  local
133 	ide_init_pc(&pc);  in ide_do_start_stop()
134 	pc.c[0] = START_STOP;  in ide_do_start_stop()
135 	pc.c[4] = start;  in ide_do_start_stop()
138 		pc.flags |= PC_FLAG_WAIT_FOR_DSC;  in ide_do_start_stop()
140 	return ide_queue_pc_tail(drive, disk, &pc, NULL, 0);  in ide_do_start_stop()
146 	struct ide_atapi_pc pc;  in ide_set_media_lock()  local
151 	ide_init_pc(&pc);  in ide_set_media_lock()
152 	pc.c[0] = ALLOW_MEDIUM_REMOVAL;  in ide_set_media_lock()
153 	pc.c[4] = on;  in ide_set_media_lock()
155 	return ide_queue_pc_tail(drive, disk, &pc, NULL, 0);  in ide_set_media_lock()
159 void ide_create_request_sense_cmd(ide_drive_t *drive, struct ide_atapi_pc *pc)  in ide_create_request_sense_cmd()  argument
161 	ide_init_pc(pc);  in ide_create_request_sense_cmd()
162 	pc->c[0] = REQUEST_SENSE;  in ide_create_request_sense_cmd()
164 		pc->c[4] = 255;  in ide_create_request_sense_cmd()
165 		pc->req_xfer = 18;  in ide_create_request_sense_cmd()
167 		pc->c[4] = 20;  in ide_create_request_sense_cmd()
168 		pc->req_xfer = 20;  in ide_create_request_sense_cmd()
274 	struct ide_atapi_pc *pc = &drive->request_sense_pc;  in ide_retry_pc()  local
279 	ide_init_pc(pc);  in ide_retry_pc()
280 	memcpy(pc->c, scsi_req(sense_rq)->cmd, 12);  in ide_retry_pc()
292 	if (ide_queue_sense_rq(drive, pc))  in ide_retry_pc()
418 	struct ide_atapi_pc *pc = drive->pc;  in ide_pc_intr()  local
426 	u8 write = !!(pc->flags & PC_FLAG_WRITING);  in ide_pc_intr()
436 	if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) {  in ide_pc_intr()
446 					drive->name, rq_data_dir(pc->rq)  in ide_pc_intr()
448 			pc->flags |= PC_FLAG_DMA_ERROR;  in ide_pc_intr()
462 		pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS;  in ide_pc_intr()
470 		if ((stat & ATA_ERR) || (pc->flags & PC_FLAG_DMA_ERROR)) {  in ide_pc_intr()
475 				scsi_req(pc->rq)->result++;  in ide_pc_intr()
491 		pc->error = 0;  in ide_pc_intr()
493 		if ((pc->flags & PC_FLAG_WAIT_FOR_DSC) && (stat & ATA_DSC) == 0)  in ide_pc_intr()
525 	if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) {  in ide_pc_intr()
526 		pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS;  in ide_pc_intr()
604 	drive->hwif->tp_ops->output_data(drive, NULL, drive->pc->c, 12);  in ide_delayed_transfer_pc()
612 	struct ide_atapi_pc *pc;  in ide_transfer_pc()  local
641 		pc = drive->pc;  in ide_transfer_pc()
688 		if (pc->flags & PC_FLAG_DMA_OK) {  in ide_transfer_pc()
689 			pc->flags |= PC_FLAG_DMA_IN_PROGRESS;  in ide_transfer_pc()
699 	struct ide_atapi_pc *pc;  in ide_issue_pc()  local
717 		pc = drive->pc;  in ide_issue_pc()
728 		if (pc->flags & PC_FLAG_DMA_ERROR) {  in ide_issue_pc()
729 			pc->flags &= ~PC_FLAG_DMA_ERROR;  in ide_issue_pc()
733 		if (pc->flags & PC_FLAG_DMA_OK)  in ide_issue_pc()
737 			pc->flags &= ~PC_FLAG_DMA_OK;  in ide_issue_pc()