539 struct ata_port;
626 	struct ata_port		*simplex_claimed;	/* channel owning the DMA */
627 	struct ata_port		*ports[0];
631 	struct ata_port		*ap;
797 	struct ata_port		*ap;
824 struct ata_port {  struct
920 	int  (*cable_detect)(struct ata_port *ap);  argument
922 	void (*set_piomode)(struct ata_port *ap, struct ata_device *dev);
923 	void (*set_dmamode)(struct ata_port *ap, struct ata_device *dev);
929 	void (*freeze)(struct ata_port *ap);
930 	void (*thaw)(struct ata_port *ap);
939 	void (*error_handler)(struct ata_port *ap);
940 	void (*lost_interrupt)(struct ata_port *ap);
942 	void (*sched_eh)(struct ata_port *ap);
943 	void (*end_eh)(struct ata_port *ap);
950 	void (*pmp_attach)(struct ata_port *ap);
951 	void (*pmp_detach)(struct ata_port *ap);
958 	int  (*port_suspend)(struct ata_port *ap, pm_message_t mesg);
959 	int  (*port_resume)(struct ata_port *ap);
960 	int  (*port_start)(struct ata_port *ap);
961 	void (*port_stop)(struct ata_port *ap);
968 	void (*sff_dev_select)(struct ata_port *ap, unsigned int device);
969 	void (*sff_set_devctl)(struct ata_port *ap, u8 ctl);
970 	u8   (*sff_check_status)(struct ata_port *ap);
971 	u8   (*sff_check_altstatus)(struct ata_port *ap);
972 	void (*sff_tf_load)(struct ata_port *ap, const struct ata_taskfile *tf);
973 	void (*sff_tf_read)(struct ata_port *ap, struct ata_taskfile *tf);
974 	void (*sff_exec_command)(struct ata_port *ap,
978 	void (*sff_irq_on)(struct ata_port *);
979 	bool (*sff_irq_check)(struct ata_port *);
980 	void (*sff_irq_clear)(struct ata_port *);
987 	u8   (*bmdma_status)(struct ata_port *ap);
991 	ssize_t (*em_show)(struct ata_port *ap, char *buf);
992 	ssize_t (*em_store)(struct ata_port *ap, const char *message,
997 	ssize_t (*transmit_led_message)(struct ata_port *ap, u32 state,
1003 	void (*phy_reset)(struct ata_port *ap);
1004 	void (*eng_timeout)(struct ata_port *ap);
1089 static inline int ata_port_is_dummy(struct ata_port *ap)  in ata_port_is_dummy()
1114 extern int ata_slave_link_init(struct ata_port *ap);
1128 extern int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *dev,
1130 extern void ata_sas_port_destroy(struct ata_port *);
1131 extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
1133 extern void ata_sas_async_probe(struct ata_port *ap);
1134 extern int ata_sas_sync_probe(struct ata_port *ap);
1135 extern int ata_sas_port_init(struct ata_port *);
1136 extern int ata_sas_port_start(struct ata_port *ap);
1137 extern int ata_sas_tport_add(struct device *parent, struct ata_port *ap);
1138 extern void ata_sas_tport_delete(struct ata_port *ap);
1139 extern void ata_sas_port_stop(struct ata_port *ap);
1140 extern int ata_sas_slave_configure(struct scsi_device *, struct ata_port *);
1141 extern int ata_sas_queuecmd(struct scsi_cmnd *cmd, struct ata_port *ap);
1151 extern void ata_sas_port_suspend(struct ata_port *ap);
1152 extern void ata_sas_port_resume(struct ata_port *ap);
1154 static inline void ata_sas_port_suspend(struct ata_port *ap)  in ata_sas_port_suspend()
1157 static inline void ata_sas_port_resume(struct ata_port *ap)  in ata_sas_port_resume()
1162 extern void ata_msleep(struct ata_port *ap, unsigned int msecs);
1163 extern u32 ata_wait_register(struct ata_port *ap, void __iomem *reg, u32 mask,
1192 extern int ata_qc_complete_multiple(struct ata_port *ap, u64 qc_active);
1202 extern int __ata_change_queue_depth(struct ata_port *ap, struct scsi_device *sdev,
1206 extern void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap);
1207 extern void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap, struct list_hea…
1210 extern int ata_cable_40wire(struct ata_port *ap);
1211 extern int ata_cable_80wire(struct ata_port *ap);
1212 extern int ata_cable_sata(struct ata_port *ap);
1213 extern int ata_cable_ignore(struct ata_port *ap);
1214 extern int ata_cable_unknown(struct ata_port *ap);
1256 static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)  in ata_acpi_init_gtm()
1262 int ata_acpi_stm(struct ata_port *ap, const struct ata_acpi_gtm *stm);
1263 int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *stm);
1266 int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm);
1268 static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)  in ata_acpi_init_gtm()
1273 static inline int ata_acpi_stm(const struct ata_port *ap,  in ata_acpi_stm()
1279 static inline int ata_acpi_gtm(const struct ata_port *ap,  in ata_acpi_gtm()
1291 static inline int ata_acpi_cbl_80wire(struct ata_port *ap,  in ata_acpi_cbl_80wire()
1301 extern void ata_port_schedule_eh(struct ata_port *ap);
1302 extern void ata_port_wait_eh(struct ata_port *ap);
1304 extern int ata_port_abort(struct ata_port *ap);
1305 extern int ata_port_freeze(struct ata_port *ap);
1306 extern int sata_async_notification(struct ata_port *ap);
1308 extern void ata_eh_freeze_port(struct ata_port *ap);
1309 extern void ata_eh_thaw_port(struct ata_port *ap);
1315 extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
1318 extern void ata_std_error_handler(struct ata_port *ap);
1319 extern void ata_std_sched_eh(struct ata_port *ap);
1320 extern void ata_std_end_eh(struct ata_port *ap);
1379 static inline bool sata_pmp_supported(struct ata_port *ap)  in sata_pmp_supported()
1384 static inline bool sata_pmp_attached(struct ata_port *ap)  in sata_pmp_attached()
1394 static inline bool sata_pmp_supported(struct ata_port *ap)  in sata_pmp_supported()
1399 static inline bool sata_pmp_attached(struct ata_port *ap)  in sata_pmp_attached()
1421 void ata_port_printk(const struct ata_port *ap, const char *level,
1486 void ata_port_desc(struct ata_port *ap, const char *fmt, ...);
1488 extern void ata_port_pbar_desc(struct ata_port *ap, int bar, ssize_t offset,
1605 				      struct ata_port *ap,
1682 static inline struct ata_queued_cmd *__ata_qc_from_tag(struct ata_port *ap,  in __ata_qc_from_tag()
1690 static inline struct ata_queued_cmd *ata_qc_from_tag(struct ata_port *ap,  in ata_qc_from_tag()
1768 static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host)  in ata_shost_to_port()
1770 	return *(struct ata_port **)&host->hostdata[0];  in ata_shost_to_port()
1822 extern void sata_pmp_error_handler(struct ata_port *ap);
1847 extern void ata_sff_dev_select(struct ata_port *ap, unsigned int device);
1848 extern u8 ata_sff_check_status(struct ata_port *ap);
1849 extern void ata_sff_pause(struct ata_port *ap);
1850 extern void ata_sff_dma_pause(struct ata_port *ap);
1851 extern int ata_sff_busy_sleep(struct ata_port *ap,
1854 extern void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
1855 extern void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
1856 extern void ata_sff_exec_command(struct ata_port *ap,
1862 extern void ata_sff_irq_on(struct ata_port *ap);
1863 extern void ata_sff_irq_clear(struct ata_port *ap);
1864 extern int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
1872 extern unsigned int ata_sff_port_intr(struct ata_port *ap,
1875 extern void ata_sff_lost_interrupt(struct ata_port *ap);
1876 extern void ata_sff_freeze(struct ata_port *ap);
1877 extern void ata_sff_thaw(struct ata_port *ap);
1889 extern void ata_sff_error_handler(struct ata_port *ap);
1916 extern unsigned int ata_bmdma_port_intr(struct ata_port *ap,
1919 extern void ata_bmdma_error_handler(struct ata_port *ap);
1921 extern void ata_bmdma_irq_clear(struct ata_port *ap);
1925 extern u8 ata_bmdma_status(struct ata_port *ap);
1926 extern int ata_bmdma_port_start(struct ata_port *ap);
1927 extern int ata_bmdma_port_start32(struct ata_port *ap);
1955 static inline u8 ata_sff_busy_wait(struct ata_port *ap, unsigned int bits,  in ata_sff_busy_wait()
1979 static inline u8 ata_wait_idle(struct ata_port *ap)  in ata_wait_idle()