494 struct ata_port;
590 	struct ata_port		*simplex_claimed;	/* channel owning the DMA */
591 	struct ata_port		*ports[];
595 	struct ata_port		*ap;
779 	struct ata_port		*ap;
806 struct ata_port {  struct
898 	void (*qc_ncq_fill_rtf)(struct ata_port *ap, u64 done_mask);  argument
903 	int  (*cable_detect)(struct ata_port *ap);
905 	void (*set_piomode)(struct ata_port *ap, struct ata_device *dev);
906 	void (*set_dmamode)(struct ata_port *ap, struct ata_device *dev);
913 	void (*freeze)(struct ata_port *ap);
914 	void (*thaw)(struct ata_port *ap);
923 	void (*error_handler)(struct ata_port *ap);
924 	void (*lost_interrupt)(struct ata_port *ap);
926 	void (*sched_eh)(struct ata_port *ap);
927 	void (*end_eh)(struct ata_port *ap);
934 	void (*pmp_attach)(struct ata_port *ap);
935 	void (*pmp_detach)(struct ata_port *ap);
942 	int  (*port_suspend)(struct ata_port *ap, pm_message_t mesg);
943 	int  (*port_resume)(struct ata_port *ap);
944 	int  (*port_start)(struct ata_port *ap);
945 	void (*port_stop)(struct ata_port *ap);
952 	void (*sff_dev_select)(struct ata_port *ap, unsigned int device);
953 	void (*sff_set_devctl)(struct ata_port *ap, u8 ctl);
954 	u8   (*sff_check_status)(struct ata_port *ap);
955 	u8   (*sff_check_altstatus)(struct ata_port *ap);
956 	void (*sff_tf_load)(struct ata_port *ap, const struct ata_taskfile *tf);
957 	void (*sff_tf_read)(struct ata_port *ap, struct ata_taskfile *tf);
958 	void (*sff_exec_command)(struct ata_port *ap,
962 	void (*sff_irq_on)(struct ata_port *);
963 	bool (*sff_irq_check)(struct ata_port *);
964 	void (*sff_irq_clear)(struct ata_port *);
971 	u8   (*bmdma_status)(struct ata_port *ap);
975 	ssize_t (*em_show)(struct ata_port *ap, char *buf);
976 	ssize_t (*em_store)(struct ata_port *ap, const char *message,
981 	ssize_t (*transmit_led_message)(struct ata_port *ap, u32 state,
1054 static inline int ata_port_is_dummy(struct ata_port *ap)  in ata_port_is_dummy()
1059 static inline bool ata_port_is_frozen(const struct ata_port *ap)  in ata_port_is_frozen()
1098 extern int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *dev,
1105 extern void ata_sas_port_suspend(struct ata_port *ap);
1106 extern void ata_sas_port_resume(struct ata_port *ap);
1108 static inline void ata_sas_port_suspend(struct ata_port *ap)  in ata_sas_port_suspend()
1111 static inline void ata_sas_port_resume(struct ata_port *ap)  in ata_sas_port_resume()
1116 extern void ata_msleep(struct ata_port *ap, unsigned int msecs);
1117 extern u32 ata_wait_register(struct ata_port *ap, void __iomem *reg, u32 mask,
1137 extern unsigned int ata_port_classify(struct ata_port *ap,
1147 extern u64 ata_qc_get_active(struct ata_port *ap);
1158 extern int ata_change_queue_depth(struct ata_port *ap, struct scsi_device *sdev,
1162 extern void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap);
1163 extern void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap, struct list_hea…
1240 extern int ata_slave_link_init(struct ata_port *ap);
1241 extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
1243 extern void ata_port_probe(struct ata_port *ap);
1244 extern int ata_sas_tport_add(struct device *parent, struct ata_port *ap);
1245 extern void ata_sas_tport_delete(struct ata_port *ap);
1246 extern int ata_sas_slave_configure(struct scsi_device *, struct ata_port *);
1247 extern int ata_sas_queuecmd(struct scsi_cmnd *cmd, struct ata_port *ap);
1251 extern int ata_qc_complete_multiple(struct ata_port *ap, u64 qc_active);
1253 extern int sata_async_notification(struct ata_port *ap);
1255 extern int ata_cable_40wire(struct ata_port *ap);
1256 extern int ata_cable_80wire(struct ata_port *ap);
1257 extern int ata_cable_sata(struct ata_port *ap);
1258 extern int ata_cable_ignore(struct ata_port *ap);
1259 extern int ata_cable_unknown(struct ata_port *ap);
1296 static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)  in ata_acpi_init_gtm()
1302 int ata_acpi_stm(struct ata_port *ap, const struct ata_acpi_gtm *stm);
1303 int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *stm);
1306 int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm);
1308 static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)  in ata_acpi_init_gtm()
1313 static inline int ata_acpi_stm(const struct ata_port *ap,  in ata_acpi_stm()
1319 static inline int ata_acpi_gtm(const struct ata_port *ap,  in ata_acpi_gtm()
1331 static inline int ata_acpi_cbl_80wire(struct ata_port *ap,  in ata_acpi_cbl_80wire()
1341 extern void ata_port_schedule_eh(struct ata_port *ap);
1342 extern void ata_port_wait_eh(struct ata_port *ap);
1344 extern int ata_port_abort(struct ata_port *ap);
1345 extern int ata_port_freeze(struct ata_port *ap);
1347 extern void ata_eh_freeze_port(struct ata_port *ap);
1348 extern void ata_eh_thaw_port(struct ata_port *ap);
1353 extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
1356 extern void ata_std_error_handler(struct ata_port *ap);
1357 extern void ata_std_sched_eh(struct ata_port *ap);
1358 extern void ata_std_end_eh(struct ata_port *ap);
1442 static inline bool sata_pmp_supported(struct ata_port *ap)  in sata_pmp_supported()
1447 static inline bool sata_pmp_attached(struct ata_port *ap)  in sata_pmp_attached()
1457 static inline bool sata_pmp_supported(struct ata_port *ap)  in sata_pmp_supported()
1462 static inline bool sata_pmp_attached(struct ata_port *ap)  in sata_pmp_attached()
1559 void ata_port_desc(struct ata_port *ap, const char *fmt, ...);
1561 extern void ata_port_pbar_desc(struct ata_port *ap, int bar, ssize_t offset,
1678 				      struct ata_port *ap,
1771 static inline struct ata_queued_cmd *__ata_qc_from_tag(struct ata_port *ap,  in __ata_qc_from_tag()
1779 static inline struct ata_queued_cmd *ata_qc_from_tag(struct ata_port *ap,  in ata_qc_from_tag()
1857 static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host)  in ata_shost_to_port()
1859 	return *(struct ata_port **)&host->hostdata[0];  in ata_shost_to_port()
1921 extern void sata_pmp_error_handler(struct ata_port *ap);
1946 extern void ata_sff_dev_select(struct ata_port *ap, unsigned int device);
1947 extern u8 ata_sff_check_status(struct ata_port *ap);
1948 extern void ata_sff_pause(struct ata_port *ap);
1949 extern void ata_sff_dma_pause(struct ata_port *ap);
1951 extern void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
1952 extern void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
1953 extern void ata_sff_exec_command(struct ata_port *ap,
1959 extern void ata_sff_irq_on(struct ata_port *ap);
1960 extern void ata_sff_irq_clear(struct ata_port *ap);
1961 extern int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
1969 extern unsigned int ata_sff_port_intr(struct ata_port *ap,
1972 extern void ata_sff_lost_interrupt(struct ata_port *ap);
1973 extern void ata_sff_freeze(struct ata_port *ap);
1974 extern void ata_sff_thaw(struct ata_port *ap);
1986 extern void ata_sff_error_handler(struct ata_port *ap);
2013 extern unsigned int ata_bmdma_port_intr(struct ata_port *ap,
2016 extern void ata_bmdma_error_handler(struct ata_port *ap);
2018 extern void ata_bmdma_irq_clear(struct ata_port *ap);
2022 extern u8 ata_bmdma_status(struct ata_port *ap);
2023 extern int ata_bmdma_port_start(struct ata_port *ap);
2024 extern int ata_bmdma_port_start32(struct ata_port *ap);
2052 static inline u8 ata_sff_busy_wait(struct ata_port *ap, unsigned int bits,  in ata_sff_busy_wait()
2076 static inline u8 ata_wait_idle(struct ata_port *ap)  in ata_wait_idle()