525 struct ata_port;
614 	struct ata_port		*simplex_claimed;	/* channel owning the DMA */
615 	struct ata_port		*ports[];
619 	struct ata_port		*ap;
785 	struct ata_port		*ap;
812 struct ata_port {  struct
910 	int  (*cable_detect)(struct ata_port *ap);  argument
912 	void (*set_piomode)(struct ata_port *ap, struct ata_device *dev);
913 	void (*set_dmamode)(struct ata_port *ap, struct ata_device *dev);
919 	void (*freeze)(struct ata_port *ap);
920 	void (*thaw)(struct ata_port *ap);
929 	void (*error_handler)(struct ata_port *ap);
930 	void (*lost_interrupt)(struct ata_port *ap);
932 	void (*sched_eh)(struct ata_port *ap);
933 	void (*end_eh)(struct ata_port *ap);
940 	void (*pmp_attach)(struct ata_port *ap);
941 	void (*pmp_detach)(struct ata_port *ap);
948 	int  (*port_suspend)(struct ata_port *ap, pm_message_t mesg);
949 	int  (*port_resume)(struct ata_port *ap);
950 	int  (*port_start)(struct ata_port *ap);
951 	void (*port_stop)(struct ata_port *ap);
958 	void (*sff_dev_select)(struct ata_port *ap, unsigned int device);
959 	void (*sff_set_devctl)(struct ata_port *ap, u8 ctl);
960 	u8   (*sff_check_status)(struct ata_port *ap);
961 	u8   (*sff_check_altstatus)(struct ata_port *ap);
962 	void (*sff_tf_load)(struct ata_port *ap, const struct ata_taskfile *tf);
963 	void (*sff_tf_read)(struct ata_port *ap, struct ata_taskfile *tf);
964 	void (*sff_exec_command)(struct ata_port *ap,
968 	void (*sff_irq_on)(struct ata_port *);
969 	bool (*sff_irq_check)(struct ata_port *);
970 	void (*sff_irq_clear)(struct ata_port *);
977 	u8   (*bmdma_status)(struct ata_port *ap);
981 	ssize_t (*em_show)(struct ata_port *ap, char *buf);
982 	ssize_t (*em_store)(struct ata_port *ap, const char *message,
987 	ssize_t (*transmit_led_message)(struct ata_port *ap, u32 state,
993 	void (*phy_reset)(struct ata_port *ap);
994 	void (*eng_timeout)(struct ata_port *ap);
1066 static inline int ata_port_is_dummy(struct ata_port *ap)  in ata_port_is_dummy()
1105 extern int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *dev,
1112 extern void ata_sas_port_suspend(struct ata_port *ap);
1113 extern void ata_sas_port_resume(struct ata_port *ap);
1115 static inline void ata_sas_port_suspend(struct ata_port *ap)  in ata_sas_port_suspend()
1118 static inline void ata_sas_port_resume(struct ata_port *ap)  in ata_sas_port_resume()
1123 extern void ata_msleep(struct ata_port *ap, unsigned int msecs);
1124 extern u32 ata_wait_register(struct ata_port *ap, void __iomem *reg, u32 mask,
1150 extern u64 ata_qc_get_active(struct ata_port *ap);
1160 extern int __ata_change_queue_depth(struct ata_port *ap, struct scsi_device *sdev,
1164 extern void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap);
1165 extern void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap, struct list_hea…
1237 extern int ata_slave_link_init(struct ata_port *ap);
1238 extern void ata_sas_port_destroy(struct ata_port *);
1239 extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
1241 extern void ata_sas_async_probe(struct ata_port *ap);
1242 extern int ata_sas_sync_probe(struct ata_port *ap);
1243 extern int ata_sas_port_init(struct ata_port *);
1244 extern int ata_sas_port_start(struct ata_port *ap);
1245 extern int ata_sas_tport_add(struct device *parent, struct ata_port *ap);
1246 extern void ata_sas_tport_delete(struct ata_port *ap);
1247 extern void ata_sas_port_stop(struct ata_port *ap);
1248 extern int ata_sas_slave_configure(struct scsi_device *, struct ata_port *);
1249 extern int ata_sas_queuecmd(struct scsi_cmnd *cmd, struct ata_port *ap);
1253 extern int ata_qc_complete_multiple(struct ata_port *ap, u64 qc_active);
1255 extern int sata_async_notification(struct ata_port *ap);
1257 extern int ata_cable_40wire(struct ata_port *ap);
1258 extern int ata_cable_80wire(struct ata_port *ap);
1259 extern int ata_cable_sata(struct ata_port *ap);
1260 extern int ata_cable_ignore(struct ata_port *ap);
1261 extern int ata_cable_unknown(struct ata_port *ap);
1298 static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)  in ata_acpi_init_gtm()
1304 int ata_acpi_stm(struct ata_port *ap, const struct ata_acpi_gtm *stm);
1305 int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *stm);
1308 int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm);
1310 static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)  in ata_acpi_init_gtm()
1315 static inline int ata_acpi_stm(const struct ata_port *ap,  in ata_acpi_stm()
1321 static inline int ata_acpi_gtm(const struct ata_port *ap,  in ata_acpi_gtm()
1333 static inline int ata_acpi_cbl_80wire(struct ata_port *ap,  in ata_acpi_cbl_80wire()
1343 extern void ata_port_schedule_eh(struct ata_port *ap);
1344 extern void ata_port_wait_eh(struct ata_port *ap);
1346 extern int ata_port_abort(struct ata_port *ap);
1347 extern int ata_port_freeze(struct ata_port *ap);
1349 extern void ata_eh_freeze_port(struct ata_port *ap);
1350 extern void ata_eh_thaw_port(struct ata_port *ap);
1355 extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
1358 extern void ata_std_error_handler(struct ata_port *ap);
1359 extern void ata_std_sched_eh(struct ata_port *ap);
1360 extern void ata_std_end_eh(struct ata_port *ap);
1428 static inline bool sata_pmp_supported(struct ata_port *ap)  in sata_pmp_supported()
1433 static inline bool sata_pmp_attached(struct ata_port *ap)  in sata_pmp_attached()
1443 static inline bool sata_pmp_supported(struct ata_port *ap)  in sata_pmp_supported()
1448 static inline bool sata_pmp_attached(struct ata_port *ap)  in sata_pmp_attached()
1470 void ata_port_printk(const struct ata_port *ap, const char *level,
1535 void ata_port_desc(struct ata_port *ap, const char *fmt, ...);
1537 extern void ata_port_pbar_desc(struct ata_port *ap, int bar, ssize_t offset,
1654 				      struct ata_port *ap,
1733 static inline struct ata_queued_cmd *__ata_qc_from_tag(struct ata_port *ap,  in __ata_qc_from_tag()
1741 static inline struct ata_queued_cmd *ata_qc_from_tag(struct ata_port *ap,  in ata_qc_from_tag()
1819 static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host)  in ata_shost_to_port()
1821 	return *(struct ata_port **)&host->hostdata[0];  in ata_shost_to_port()
1883 extern void sata_pmp_error_handler(struct ata_port *ap);
1908 extern void ata_sff_dev_select(struct ata_port *ap, unsigned int device);
1909 extern u8 ata_sff_check_status(struct ata_port *ap);
1910 extern void ata_sff_pause(struct ata_port *ap);
1911 extern void ata_sff_dma_pause(struct ata_port *ap);
1912 extern int ata_sff_busy_sleep(struct ata_port *ap,
1915 extern void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
1916 extern void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
1917 extern void ata_sff_exec_command(struct ata_port *ap,
1923 extern void ata_sff_irq_on(struct ata_port *ap);
1924 extern void ata_sff_irq_clear(struct ata_port *ap);
1925 extern int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
1933 extern unsigned int ata_sff_port_intr(struct ata_port *ap,
1936 extern void ata_sff_lost_interrupt(struct ata_port *ap);
1937 extern void ata_sff_freeze(struct ata_port *ap);
1938 extern void ata_sff_thaw(struct ata_port *ap);
1950 extern void ata_sff_error_handler(struct ata_port *ap);
1977 extern unsigned int ata_bmdma_port_intr(struct ata_port *ap,
1980 extern void ata_bmdma_error_handler(struct ata_port *ap);
1982 extern void ata_bmdma_irq_clear(struct ata_port *ap);
1986 extern u8 ata_bmdma_status(struct ata_port *ap);
1987 extern int ata_bmdma_port_start(struct ata_port *ap);
1988 extern int ata_bmdma_port_start32(struct ata_port *ap);
2016 static inline u8 ata_sff_busy_wait(struct ata_port *ap, unsigned int bits,  in ata_sff_busy_wait()
2040 static inline u8 ata_wait_idle(struct ata_port *ap)  in ata_wait_idle()