529 struct ata_port;
619 	struct ata_port		*simplex_claimed;	/* channel owning the DMA */
620 	struct ata_port		*ports[];
624 	struct ata_port		*ap;
790 	struct ata_port		*ap;
817 struct ata_port {  struct
915 	int  (*cable_detect)(struct ata_port *ap);  argument
917 	void (*set_piomode)(struct ata_port *ap, struct ata_device *dev);
918 	void (*set_dmamode)(struct ata_port *ap, struct ata_device *dev);
924 	void (*freeze)(struct ata_port *ap);
925 	void (*thaw)(struct ata_port *ap);
934 	void (*error_handler)(struct ata_port *ap);
935 	void (*lost_interrupt)(struct ata_port *ap);
937 	void (*sched_eh)(struct ata_port *ap);
938 	void (*end_eh)(struct ata_port *ap);
945 	void (*pmp_attach)(struct ata_port *ap);
946 	void (*pmp_detach)(struct ata_port *ap);
953 	int  (*port_suspend)(struct ata_port *ap, pm_message_t mesg);
954 	int  (*port_resume)(struct ata_port *ap);
955 	int  (*port_start)(struct ata_port *ap);
956 	void (*port_stop)(struct ata_port *ap);
963 	void (*sff_dev_select)(struct ata_port *ap, unsigned int device);
964 	void (*sff_set_devctl)(struct ata_port *ap, u8 ctl);
965 	u8   (*sff_check_status)(struct ata_port *ap);
966 	u8   (*sff_check_altstatus)(struct ata_port *ap);
967 	void (*sff_tf_load)(struct ata_port *ap, const struct ata_taskfile *tf);
968 	void (*sff_tf_read)(struct ata_port *ap, struct ata_taskfile *tf);
969 	void (*sff_exec_command)(struct ata_port *ap,
973 	void (*sff_irq_on)(struct ata_port *);
974 	bool (*sff_irq_check)(struct ata_port *);
975 	void (*sff_irq_clear)(struct ata_port *);
982 	u8   (*bmdma_status)(struct ata_port *ap);
986 	ssize_t (*em_show)(struct ata_port *ap, char *buf);
987 	ssize_t (*em_store)(struct ata_port *ap, const char *message,
992 	ssize_t (*transmit_led_message)(struct ata_port *ap, u32 state,
998 	void (*phy_reset)(struct ata_port *ap);
999 	void (*eng_timeout)(struct ata_port *ap);
1071 static inline int ata_port_is_dummy(struct ata_port *ap)  in ata_port_is_dummy()
1110 extern int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *dev,
1117 extern void ata_sas_port_suspend(struct ata_port *ap);
1118 extern void ata_sas_port_resume(struct ata_port *ap);
1120 static inline void ata_sas_port_suspend(struct ata_port *ap)  in ata_sas_port_suspend()
1123 static inline void ata_sas_port_resume(struct ata_port *ap)  in ata_sas_port_resume()
1128 extern void ata_msleep(struct ata_port *ap, unsigned int msecs);
1129 extern u32 ata_wait_register(struct ata_port *ap, void __iomem *reg, u32 mask,
1155 extern u64 ata_qc_get_active(struct ata_port *ap);
1165 extern int __ata_change_queue_depth(struct ata_port *ap, struct scsi_device *sdev,
1169 extern void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap);
1170 extern void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap, struct list_hea…
1242 extern int ata_slave_link_init(struct ata_port *ap);
1243 extern void ata_sas_port_destroy(struct ata_port *);
1244 extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
1246 extern void ata_sas_async_probe(struct ata_port *ap);
1247 extern int ata_sas_sync_probe(struct ata_port *ap);
1248 extern int ata_sas_port_init(struct ata_port *);
1249 extern int ata_sas_port_start(struct ata_port *ap);
1250 extern int ata_sas_tport_add(struct device *parent, struct ata_port *ap);
1251 extern void ata_sas_tport_delete(struct ata_port *ap);
1252 extern void ata_sas_port_stop(struct ata_port *ap);
1253 extern int ata_sas_slave_configure(struct scsi_device *, struct ata_port *);
1254 extern int ata_sas_queuecmd(struct scsi_cmnd *cmd, struct ata_port *ap);
1258 extern int ata_qc_complete_multiple(struct ata_port *ap, u64 qc_active);
1260 extern int sata_async_notification(struct ata_port *ap);
1262 extern int ata_cable_40wire(struct ata_port *ap);
1263 extern int ata_cable_80wire(struct ata_port *ap);
1264 extern int ata_cable_sata(struct ata_port *ap);
1265 extern int ata_cable_ignore(struct ata_port *ap);
1266 extern int ata_cable_unknown(struct ata_port *ap);
1303 static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)  in ata_acpi_init_gtm()
1309 int ata_acpi_stm(struct ata_port *ap, const struct ata_acpi_gtm *stm);
1310 int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *stm);
1313 int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm);
1315 static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)  in ata_acpi_init_gtm()
1320 static inline int ata_acpi_stm(const struct ata_port *ap,  in ata_acpi_stm()
1326 static inline int ata_acpi_gtm(const struct ata_port *ap,  in ata_acpi_gtm()
1338 static inline int ata_acpi_cbl_80wire(struct ata_port *ap,  in ata_acpi_cbl_80wire()
1348 extern void ata_port_schedule_eh(struct ata_port *ap);
1349 extern void ata_port_wait_eh(struct ata_port *ap);
1351 extern int ata_port_abort(struct ata_port *ap);
1352 extern int ata_port_freeze(struct ata_port *ap);
1354 extern void ata_eh_freeze_port(struct ata_port *ap);
1355 extern void ata_eh_thaw_port(struct ata_port *ap);
1360 extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
1363 extern void ata_std_error_handler(struct ata_port *ap);
1364 extern void ata_std_sched_eh(struct ata_port *ap);
1365 extern void ata_std_end_eh(struct ata_port *ap);
1436 static inline bool sata_pmp_supported(struct ata_port *ap)  in sata_pmp_supported()
1441 static inline bool sata_pmp_attached(struct ata_port *ap)  in sata_pmp_attached()
1451 static inline bool sata_pmp_supported(struct ata_port *ap)  in sata_pmp_supported()
1456 static inline bool sata_pmp_attached(struct ata_port *ap)  in sata_pmp_attached()
1478 void ata_port_printk(const struct ata_port *ap, const char *level,
1543 void ata_port_desc(struct ata_port *ap, const char *fmt, ...);
1545 extern void ata_port_pbar_desc(struct ata_port *ap, int bar, ssize_t offset,
1662 				      struct ata_port *ap,
1741 static inline struct ata_queued_cmd *__ata_qc_from_tag(struct ata_port *ap,  in __ata_qc_from_tag()
1749 static inline struct ata_queued_cmd *ata_qc_from_tag(struct ata_port *ap,  in ata_qc_from_tag()
1827 static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host)  in ata_shost_to_port()
1829 	return *(struct ata_port **)&host->hostdata[0];  in ata_shost_to_port()
1891 extern void sata_pmp_error_handler(struct ata_port *ap);
1916 extern void ata_sff_dev_select(struct ata_port *ap, unsigned int device);
1917 extern u8 ata_sff_check_status(struct ata_port *ap);
1918 extern void ata_sff_pause(struct ata_port *ap);
1919 extern void ata_sff_dma_pause(struct ata_port *ap);
1920 extern int ata_sff_busy_sleep(struct ata_port *ap,
1923 extern void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
1924 extern void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
1925 extern void ata_sff_exec_command(struct ata_port *ap,
1931 extern void ata_sff_irq_on(struct ata_port *ap);
1932 extern void ata_sff_irq_clear(struct ata_port *ap);
1933 extern int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
1941 extern unsigned int ata_sff_port_intr(struct ata_port *ap,
1944 extern void ata_sff_lost_interrupt(struct ata_port *ap);
1945 extern void ata_sff_freeze(struct ata_port *ap);
1946 extern void ata_sff_thaw(struct ata_port *ap);
1958 extern void ata_sff_error_handler(struct ata_port *ap);
1985 extern unsigned int ata_bmdma_port_intr(struct ata_port *ap,
1988 extern void ata_bmdma_error_handler(struct ata_port *ap);
1990 extern void ata_bmdma_irq_clear(struct ata_port *ap);
1994 extern u8 ata_bmdma_status(struct ata_port *ap);
1995 extern int ata_bmdma_port_start(struct ata_port *ap);
1996 extern int ata_bmdma_port_start32(struct ata_port *ap);
2024 static inline u8 ata_sff_busy_wait(struct ata_port *ap, unsigned int bits,  in ata_sff_busy_wait()
2048 static inline u8 ata_wait_idle(struct ata_port *ap)  in ata_wait_idle()