103 static enum ata_completion_errors qs_qc_prep(struct ata_queued_cmd *qc);
104 static unsigned int qs_qc_issue(struct ata_queued_cmd *qc);
105 static int qs_check_atapi_dma(struct ata_queued_cmd *qc);
166 static int qs_check_atapi_dma(struct ata_queued_cmd *qc)  in qs_check_atapi_dma()  argument
236 static unsigned int qs_fill_sg(struct ata_queued_cmd *qc)  in qs_fill_sg()  argument
239 	struct ata_port *ap = qc->ap;  in qs_fill_sg()
244 	for_each_sg(qc->sg, sg, qc->n_elem, si) {  in qs_fill_sg()
260 static enum ata_completion_errors qs_qc_prep(struct ata_queued_cmd *qc)  in qs_qc_prep()  argument
262 	struct qs_port_priv *pp = qc->ap->private_data;  in qs_qc_prep()
268 	qs_enter_reg_mode(qc->ap);  in qs_qc_prep()
269 	if (qc->tf.protocol != ATA_PROT_DMA)  in qs_qc_prep()
272 	nelem = qs_fill_sg(qc);  in qs_qc_prep()
274 	if ((qc->tf.flags & ATA_TFLAG_WRITE))  in qs_qc_prep()
276 	if ((qc->tf.flags & ATA_TFLAG_LBA48))  in qs_qc_prep()
282 	*(__le32 *)(&buf[ 4]) = cpu_to_le32(qc->nbytes);  in qs_qc_prep()
292 	ata_tf_to_fis(&qc->tf, 0, 1, &buf[32]);  in qs_qc_prep()
297 static inline void qs_packet_start(struct ata_queued_cmd *qc)  in qs_packet_start()  argument
299 	struct ata_port *ap = qc->ap;  in qs_packet_start()
308 static unsigned int qs_qc_issue(struct ata_queued_cmd *qc)  in qs_qc_issue()  argument
310 	struct qs_port_priv *pp = qc->ap->private_data;  in qs_qc_issue()
312 	switch (qc->tf.protocol) {  in qs_qc_issue()
315 		qs_packet_start(qc);  in qs_qc_issue()
327 	return ata_sff_qc_issue(qc);  in qs_qc_issue()
330 static void qs_do_or_die(struct ata_queued_cmd *qc, u8 status)  in qs_do_or_die()  argument
332 	qc->err_mask |= ac_err_mask(status);  in qs_do_or_die()
334 	if (!qc->err_mask) {  in qs_do_or_die()
335 		ata_qc_complete(qc);  in qs_do_or_die()
337 		struct ata_port    *ap  = qc->ap;  in qs_do_or_die()
343 		if (qc->err_mask == AC_ERR_DEV)  in qs_do_or_die()
368 			struct ata_queued_cmd *qc;  in qs_intr_pkt()  local
375 			qc = ata_qc_from_tag(ap, ap->link.active_tag);  in qs_intr_pkt()
376 			if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) {  in qs_intr_pkt()
380 					qs_enter_reg_mode(qc->ap);  in qs_intr_pkt()
381 					qs_do_or_die(qc, sDST);  in qs_intr_pkt()
399 		struct ata_queued_cmd *qc;  in qs_intr_mmio()  local
401 		qc = ata_qc_from_tag(ap, ap->link.active_tag);  in qs_intr_mmio()
402 		if (!qc) {  in qs_intr_mmio()
419 		if (!(qc->tf.flags & ATA_TFLAG_POLLING))  in qs_intr_mmio()
420 			handled |= ata_sff_port_intr(ap, qc);  in qs_intr_mmio()