524 struct ata_port;
613 	struct ata_port		*simplex_claimed;	/* channel owning the DMA */
614 	struct ata_port		*ports[];
618 	struct ata_port		*ap;
784 	struct ata_port		*ap;
811 struct ata_port {  struct
909 	int  (*cable_detect)(struct ata_port *ap);  argument
911 	void (*set_piomode)(struct ata_port *ap, struct ata_device *dev);
912 	void (*set_dmamode)(struct ata_port *ap, struct ata_device *dev);
918 	void (*freeze)(struct ata_port *ap);
919 	void (*thaw)(struct ata_port *ap);
928 	void (*error_handler)(struct ata_port *ap);
929 	void (*lost_interrupt)(struct ata_port *ap);
931 	void (*sched_eh)(struct ata_port *ap);
932 	void (*end_eh)(struct ata_port *ap);
939 	void (*pmp_attach)(struct ata_port *ap);
940 	void (*pmp_detach)(struct ata_port *ap);
947 	int  (*port_suspend)(struct ata_port *ap, pm_message_t mesg);
948 	int  (*port_resume)(struct ata_port *ap);
949 	int  (*port_start)(struct ata_port *ap);
950 	void (*port_stop)(struct ata_port *ap);
957 	void (*sff_dev_select)(struct ata_port *ap, unsigned int device);
958 	void (*sff_set_devctl)(struct ata_port *ap, u8 ctl);
959 	u8   (*sff_check_status)(struct ata_port *ap);
960 	u8   (*sff_check_altstatus)(struct ata_port *ap);
961 	void (*sff_tf_load)(struct ata_port *ap, const struct ata_taskfile *tf);
962 	void (*sff_tf_read)(struct ata_port *ap, struct ata_taskfile *tf);
963 	void (*sff_exec_command)(struct ata_port *ap,
967 	void (*sff_irq_on)(struct ata_port *);
968 	bool (*sff_irq_check)(struct ata_port *);
969 	void (*sff_irq_clear)(struct ata_port *);
976 	u8   (*bmdma_status)(struct ata_port *ap);
980 	ssize_t (*em_show)(struct ata_port *ap, char *buf);
981 	ssize_t (*em_store)(struct ata_port *ap, const char *message,
986 	ssize_t (*transmit_led_message)(struct ata_port *ap, u32 state,
992 	void (*phy_reset)(struct ata_port *ap);
993 	void (*eng_timeout)(struct ata_port *ap);
1065 static inline int ata_port_is_dummy(struct ata_port *ap)  in ata_port_is_dummy()
1104 extern int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *dev,
1111 extern void ata_sas_port_suspend(struct ata_port *ap);
1112 extern void ata_sas_port_resume(struct ata_port *ap);
1114 static inline void ata_sas_port_suspend(struct ata_port *ap)  in ata_sas_port_suspend()
1117 static inline void ata_sas_port_resume(struct ata_port *ap)  in ata_sas_port_resume()
1122 extern void ata_msleep(struct ata_port *ap, unsigned int msecs);
1123 extern u32 ata_wait_register(struct ata_port *ap, void __iomem *reg, u32 mask,
1149 extern u64 ata_qc_get_active(struct ata_port *ap);
1159 extern int __ata_change_queue_depth(struct ata_port *ap, struct scsi_device *sdev,
1163 extern void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap);
1164 extern void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap, struct list_hea…
1236 extern int ata_slave_link_init(struct ata_port *ap);
1237 extern void ata_sas_port_destroy(struct ata_port *);
1238 extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
1240 extern void ata_sas_async_probe(struct ata_port *ap);
1241 extern int ata_sas_sync_probe(struct ata_port *ap);
1242 extern int ata_sas_port_init(struct ata_port *);
1243 extern int ata_sas_port_start(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 void ata_sas_port_stop(struct ata_port *ap);
1247 extern int ata_sas_slave_configure(struct scsi_device *, struct ata_port *);
1248 extern int ata_sas_queuecmd(struct scsi_cmnd *cmd, struct ata_port *ap);
1252 extern int ata_qc_complete_multiple(struct ata_port *ap, u64 qc_active);
1254 extern int sata_async_notification(struct ata_port *ap);
1256 extern int ata_cable_40wire(struct ata_port *ap);
1257 extern int ata_cable_80wire(struct ata_port *ap);
1258 extern int ata_cable_sata(struct ata_port *ap);
1259 extern int ata_cable_ignore(struct ata_port *ap);
1260 extern int ata_cable_unknown(struct ata_port *ap);
1297 static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)  in ata_acpi_init_gtm()
1303 int ata_acpi_stm(struct ata_port *ap, const struct ata_acpi_gtm *stm);
1304 int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *stm);
1307 int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm);
1309 static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)  in ata_acpi_init_gtm()
1314 static inline int ata_acpi_stm(const struct ata_port *ap,  in ata_acpi_stm()
1320 static inline int ata_acpi_gtm(const struct ata_port *ap,  in ata_acpi_gtm()
1332 static inline int ata_acpi_cbl_80wire(struct ata_port *ap,  in ata_acpi_cbl_80wire()
1342 extern void ata_port_schedule_eh(struct ata_port *ap);
1343 extern void ata_port_wait_eh(struct ata_port *ap);
1345 extern int ata_port_abort(struct ata_port *ap);
1346 extern int ata_port_freeze(struct ata_port *ap);
1348 extern void ata_eh_freeze_port(struct ata_port *ap);
1349 extern void ata_eh_thaw_port(struct ata_port *ap);
1354 extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
1357 extern void ata_std_error_handler(struct ata_port *ap);
1358 extern void ata_std_sched_eh(struct ata_port *ap);
1359 extern void ata_std_end_eh(struct ata_port *ap);
1427 static inline bool sata_pmp_supported(struct ata_port *ap)  in sata_pmp_supported()
1432 static inline bool sata_pmp_attached(struct ata_port *ap)  in sata_pmp_attached()
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()
1469 void ata_port_printk(const struct ata_port *ap, const char *level,
1534 void ata_port_desc(struct ata_port *ap, const char *fmt, ...);
1536 extern void ata_port_pbar_desc(struct ata_port *ap, int bar, ssize_t offset,
1653 				      struct ata_port *ap,
1732 static inline struct ata_queued_cmd *__ata_qc_from_tag(struct ata_port *ap,  in __ata_qc_from_tag()
1740 static inline struct ata_queued_cmd *ata_qc_from_tag(struct ata_port *ap,  in ata_qc_from_tag()
1818 static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host)  in ata_shost_to_port()
1820 	return *(struct ata_port **)&host->hostdata[0];  in ata_shost_to_port()
1882 extern void sata_pmp_error_handler(struct ata_port *ap);
1907 extern void ata_sff_dev_select(struct ata_port *ap, unsigned int device);
1908 extern u8 ata_sff_check_status(struct ata_port *ap);
1909 extern void ata_sff_pause(struct ata_port *ap);
1910 extern void ata_sff_dma_pause(struct ata_port *ap);
1911 extern int ata_sff_busy_sleep(struct ata_port *ap,
1914 extern void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
1915 extern void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
1916 extern void ata_sff_exec_command(struct ata_port *ap,
1922 extern void ata_sff_irq_on(struct ata_port *ap);
1923 extern void ata_sff_irq_clear(struct ata_port *ap);
1924 extern int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
1932 extern unsigned int ata_sff_port_intr(struct ata_port *ap,
1935 extern void ata_sff_lost_interrupt(struct ata_port *ap);
1936 extern void ata_sff_freeze(struct ata_port *ap);
1937 extern void ata_sff_thaw(struct ata_port *ap);
1949 extern void ata_sff_error_handler(struct ata_port *ap);
1976 extern unsigned int ata_bmdma_port_intr(struct ata_port *ap,
1979 extern void ata_bmdma_error_handler(struct ata_port *ap);
1981 extern void ata_bmdma_irq_clear(struct ata_port *ap);
1985 extern u8 ata_bmdma_status(struct ata_port *ap);
1986 extern int ata_bmdma_port_start(struct ata_port *ap);
1987 extern int ata_bmdma_port_start32(struct ata_port *ap);
2015 static inline u8 ata_sff_busy_wait(struct ata_port *ap, unsigned int bits,  in ata_sff_busy_wait()
2039 static inline u8 ata_wait_idle(struct ata_port *ap)  in ata_wait_idle()