522 struct ata_port;
609 	struct ata_port		*simplex_claimed;	/* channel owning the DMA */
610 	struct ata_port		*ports[0];
614 	struct ata_port		*ap;
780 	struct ata_port		*ap;
807 struct ata_port {  struct
903 	int  (*cable_detect)(struct ata_port *ap);  argument
905 	void (*set_piomode)(struct ata_port *ap, struct ata_device *dev);
906 	void (*set_dmamode)(struct ata_port *ap, struct ata_device *dev);
912 	void (*freeze)(struct ata_port *ap);
913 	void (*thaw)(struct ata_port *ap);
922 	void (*error_handler)(struct ata_port *ap);
923 	void (*lost_interrupt)(struct ata_port *ap);
925 	void (*sched_eh)(struct ata_port *ap);
926 	void (*end_eh)(struct ata_port *ap);
933 	void (*pmp_attach)(struct ata_port *ap);
934 	void (*pmp_detach)(struct ata_port *ap);
941 	int  (*port_suspend)(struct ata_port *ap, pm_message_t mesg);
942 	int  (*port_resume)(struct ata_port *ap);
943 	int  (*port_start)(struct ata_port *ap);
944 	void (*port_stop)(struct ata_port *ap);
951 	void (*sff_dev_select)(struct ata_port *ap, unsigned int device);
952 	void (*sff_set_devctl)(struct ata_port *ap, u8 ctl);
953 	u8   (*sff_check_status)(struct ata_port *ap);
954 	u8   (*sff_check_altstatus)(struct ata_port *ap);
955 	void (*sff_tf_load)(struct ata_port *ap, const struct ata_taskfile *tf);
956 	void (*sff_tf_read)(struct ata_port *ap, struct ata_taskfile *tf);
957 	void (*sff_exec_command)(struct ata_port *ap,
961 	void (*sff_irq_on)(struct ata_port *);
962 	bool (*sff_irq_check)(struct ata_port *);
963 	void (*sff_irq_clear)(struct ata_port *);
970 	u8   (*bmdma_status)(struct ata_port *ap);
974 	ssize_t (*em_show)(struct ata_port *ap, char *buf);
975 	ssize_t (*em_store)(struct ata_port *ap, const char *message,
980 	ssize_t (*transmit_led_message)(struct ata_port *ap, u32 state,
986 	void (*phy_reset)(struct ata_port *ap);
987 	void (*eng_timeout)(struct ata_port *ap);
1072 static inline int ata_port_is_dummy(struct ata_port *ap)  in ata_port_is_dummy()
1097 extern int ata_slave_link_init(struct ata_port *ap);
1112 extern int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *dev,
1114 extern void ata_sas_port_destroy(struct ata_port *);
1115 extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
1117 extern void ata_sas_async_probe(struct ata_port *ap);
1118 extern int ata_sas_sync_probe(struct ata_port *ap);
1119 extern int ata_sas_port_init(struct ata_port *);
1120 extern int ata_sas_port_start(struct ata_port *ap);
1121 extern int ata_sas_tport_add(struct device *parent, struct ata_port *ap);
1122 extern void ata_sas_tport_delete(struct ata_port *ap);
1123 extern void ata_sas_port_stop(struct ata_port *ap);
1124 extern int ata_sas_slave_configure(struct scsi_device *, struct ata_port *);
1125 extern int ata_sas_queuecmd(struct scsi_cmnd *cmd, struct ata_port *ap);
1135 extern void ata_sas_port_suspend(struct ata_port *ap);
1136 extern void ata_sas_port_resume(struct ata_port *ap);
1138 static inline void ata_sas_port_suspend(struct ata_port *ap)  in ata_sas_port_suspend()
1141 static inline void ata_sas_port_resume(struct ata_port *ap)  in ata_sas_port_resume()
1146 extern void ata_msleep(struct ata_port *ap, unsigned int msecs);
1147 extern u32 ata_wait_register(struct ata_port *ap, void __iomem *reg, u32 mask,
1176 extern int ata_qc_complete_multiple(struct ata_port *ap, u64 qc_active);
1186 extern int __ata_change_queue_depth(struct ata_port *ap, struct scsi_device *sdev,
1190 extern void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap);
1191 extern void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap, struct list_hea…
1194 extern int ata_cable_40wire(struct ata_port *ap);
1195 extern int ata_cable_80wire(struct ata_port *ap);
1196 extern int ata_cable_sata(struct ata_port *ap);
1197 extern int ata_cable_ignore(struct ata_port *ap);
1198 extern int ata_cable_unknown(struct ata_port *ap);
1240 static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)  in ata_acpi_init_gtm()
1246 int ata_acpi_stm(struct ata_port *ap, const struct ata_acpi_gtm *stm);
1247 int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *stm);
1250 int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm);
1252 static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)  in ata_acpi_init_gtm()
1257 static inline int ata_acpi_stm(const struct ata_port *ap,  in ata_acpi_stm()
1263 static inline int ata_acpi_gtm(const struct ata_port *ap,  in ata_acpi_gtm()
1275 static inline int ata_acpi_cbl_80wire(struct ata_port *ap,  in ata_acpi_cbl_80wire()
1285 extern void ata_port_schedule_eh(struct ata_port *ap);
1286 extern void ata_port_wait_eh(struct ata_port *ap);
1288 extern int ata_port_abort(struct ata_port *ap);
1289 extern int ata_port_freeze(struct ata_port *ap);
1290 extern int sata_async_notification(struct ata_port *ap);
1292 extern void ata_eh_freeze_port(struct ata_port *ap);
1293 extern void ata_eh_thaw_port(struct ata_port *ap);
1299 extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
1302 extern void ata_std_error_handler(struct ata_port *ap);
1303 extern void ata_std_sched_eh(struct ata_port *ap);
1304 extern void ata_std_end_eh(struct ata_port *ap);
1362 static inline bool sata_pmp_supported(struct ata_port *ap)  in sata_pmp_supported()
1367 static inline bool sata_pmp_attached(struct ata_port *ap)  in sata_pmp_attached()
1377 static inline bool sata_pmp_supported(struct ata_port *ap)  in sata_pmp_supported()
1382 static inline bool sata_pmp_attached(struct ata_port *ap)  in sata_pmp_attached()
1404 void ata_port_printk(const struct ata_port *ap, const char *level,
1469 void ata_port_desc(struct ata_port *ap, const char *fmt, ...);
1471 extern void ata_port_pbar_desc(struct ata_port *ap, int bar, ssize_t offset,
1588 				      struct ata_port *ap,
1665 static inline struct ata_queued_cmd *__ata_qc_from_tag(struct ata_port *ap,  in __ata_qc_from_tag()
1673 static inline struct ata_queued_cmd *ata_qc_from_tag(struct ata_port *ap,  in ata_qc_from_tag()
1751 static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host)  in ata_shost_to_port()
1753 	return *(struct ata_port **)&host->hostdata[0];  in ata_shost_to_port()
1805 extern void sata_pmp_error_handler(struct ata_port *ap);
1830 extern void ata_sff_dev_select(struct ata_port *ap, unsigned int device);
1831 extern u8 ata_sff_check_status(struct ata_port *ap);
1832 extern void ata_sff_pause(struct ata_port *ap);
1833 extern void ata_sff_dma_pause(struct ata_port *ap);
1834 extern int ata_sff_busy_sleep(struct ata_port *ap,
1837 extern void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
1838 extern void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
1839 extern void ata_sff_exec_command(struct ata_port *ap,
1845 extern void ata_sff_irq_on(struct ata_port *ap);
1846 extern void ata_sff_irq_clear(struct ata_port *ap);
1847 extern int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
1855 extern unsigned int ata_sff_port_intr(struct ata_port *ap,
1858 extern void ata_sff_lost_interrupt(struct ata_port *ap);
1859 extern void ata_sff_freeze(struct ata_port *ap);
1860 extern void ata_sff_thaw(struct ata_port *ap);
1872 extern void ata_sff_error_handler(struct ata_port *ap);
1899 extern unsigned int ata_bmdma_port_intr(struct ata_port *ap,
1902 extern void ata_bmdma_error_handler(struct ata_port *ap);
1904 extern void ata_bmdma_irq_clear(struct ata_port *ap);
1908 extern u8 ata_bmdma_status(struct ata_port *ap);
1909 extern int ata_bmdma_port_start(struct ata_port *ap);
1910 extern int ata_bmdma_port_start32(struct ata_port *ap);
1938 static inline u8 ata_sff_busy_wait(struct ata_port *ap, unsigned int bits,  in ata_sff_busy_wait()
1962 static inline u8 ata_wait_idle(struct ata_port *ap)  in ata_wait_idle()