255 	ATA_QCFLAG_HAS_CDL	= (1 << 8), /* qc has CDL a descriptor set */
510 	AC_ERR_NCQ		= (1 << 10), /* marker for offending NCQ qc */
540 typedef void (*ata_qc_cb_t) (struct ata_queued_cmd *qc);
903 	struct ata_link		*excl_link;	/* for PMP qc exclusion */
948 	int (*qc_defer)(struct ata_queued_cmd *qc);
949 	int (*check_atapi_dma)(struct ata_queued_cmd *qc);
950 	enum ata_completion_errors (*qc_prep)(struct ata_queued_cmd *qc);
951 	unsigned int (*qc_issue)(struct ata_queued_cmd *qc);
952 	void (*qc_fill_rtf)(struct ata_queued_cmd *qc);
980 	void (*post_internal_cmd)(struct ata_queued_cmd *qc);
1015 	unsigned int (*sff_data_xfer)(struct ata_queued_cmd *qc,
1020 	void (*sff_drain_fifo)(struct ata_queued_cmd *qc);
1023 	void (*bmdma_setup)(struct ata_queued_cmd *qc);
1024 	void (*bmdma_start)(struct ata_queued_cmd *qc);
1025 	void (*bmdma_stop)(struct ata_queued_cmd *qc);
1184 extern int ata_std_qc_defer(struct ata_queued_cmd *qc);
1185 extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
1197 extern void ata_qc_complete(struct ata_queued_cmd *qc);
1410 extern void ata_eh_qc_complete(struct ata_queued_cmd *qc);
1411 extern void ata_eh_qc_retry(struct ata_queued_cmd *qc);
1640 #define __ata_qc_for_each(ap, qc, tag, max_tag, fn)		\  argument
1642 	     ({ qc = fn((ap), (tag)); 1; }); (tag)++)		\
1646  * status of 'qc'.
1648 #define ata_qc_for_each_raw(ap, qc, tag)					\  argument
1649 	__ata_qc_for_each(ap, qc, tag, ATA_MAX_QUEUE, __ata_qc_from_tag)
1654 #define ata_qc_for_each(ap, qc, tag)					\  argument
1655 	__ata_qc_for_each(ap, qc, tag, ATA_MAX_QUEUE, ata_qc_from_tag)
1660 #define ata_qc_for_each_with_internal(ap, qc, tag)			\  argument
1661 	__ata_qc_for_each(ap, qc, tag, ATA_MAX_QUEUE + 1, ata_qc_from_tag)
1831 static inline void ata_qc_set_polling(struct ata_queued_cmd *qc)  in ata_qc_set_polling()  argument
1833 	qc->tf.ctl |= ATA_NIEN;  in ata_qc_set_polling()
1847 	struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);  in ata_qc_from_tag()  local
1849 	if (unlikely(!qc))  in ata_qc_from_tag()
1850 		return qc;  in ata_qc_from_tag()
1852 	if ((qc->flags & (ATA_QCFLAG_ACTIVE |  in ata_qc_from_tag()
1854 		return qc;  in ata_qc_from_tag()
1859 static inline unsigned int ata_qc_raw_nbytes(struct ata_queued_cmd *qc)  in ata_qc_raw_nbytes()  argument
1861 	return qc->nbytes - min(qc->extrabytes, qc->nbytes);  in ata_qc_raw_nbytes()
1879 static inline void ata_qc_reinit(struct ata_queued_cmd *qc)  in ata_qc_reinit()  argument
1881 	qc->dma_dir = DMA_NONE;  in ata_qc_reinit()
1882 	qc->sg = NULL;  in ata_qc_reinit()
1883 	qc->flags = 0;  in ata_qc_reinit()
1884 	qc->cursg = NULL;  in ata_qc_reinit()
1885 	qc->cursg_ofs = 0;  in ata_qc_reinit()
1886 	qc->nbytes = qc->extrabytes = qc->curbytes = 0;  in ata_qc_reinit()
1887 	qc->n_elem = 0;  in ata_qc_reinit()
1888 	qc->err_mask = 0;  in ata_qc_reinit()
1889 	qc->sect_size = ATA_SECT_SIZE;  in ata_qc_reinit()
1891 	ata_tf_init(qc->dev, &qc->tf);  in ata_qc_reinit()
1894 	qc->result_tf.command = ATA_DRDY;  in ata_qc_reinit()
1895 	qc->result_tf.feature = 0;  in ata_qc_reinit()
1983 extern int sata_pmp_qc_defer_cmd_switch(struct ata_queued_cmd *qc);
2018 extern unsigned int ata_sff_data_xfer(struct ata_queued_cmd *qc,
2020 extern unsigned int ata_sff_data_xfer32(struct ata_queued_cmd *qc,
2023 extern int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
2029 extern unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc);
2030 extern void ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc);
2032 				      struct ata_queued_cmd *qc);
2047 extern void ata_sff_drain_fifo(struct ata_queued_cmd *qc);
2072 extern enum ata_completion_errors ata_bmdma_qc_prep(struct ata_queued_cmd *qc);
2073 extern unsigned int ata_bmdma_qc_issue(struct ata_queued_cmd *qc);
2074 extern enum ata_completion_errors ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc);
2076 				      struct ata_queued_cmd *qc);
2079 extern void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc);
2081 extern void ata_bmdma_setup(struct ata_queued_cmd *qc);
2082 extern void ata_bmdma_start(struct ata_queued_cmd *qc);
2083 extern void ata_bmdma_stop(struct ata_queued_cmd *qc);