#define __LIBATA_H__
#define DRV_NAME "libata"
-#define DRV_VERSION "2.00" /* must be exactly four chars */
+#define DRV_VERSION "3.00" /* must be exactly four chars */
struct ata_scsi_args {
struct ata_device *dev;
void (*done)(struct scsi_cmnd *);
};
+static inline int ata_is_builtin_hardreset(ata_reset_fn_t reset)
+{
+ if (reset == sata_std_hardreset)
+ return 1;
+#ifdef CONFIG_ATA_SFF
+ if (reset == sata_sff_hardreset)
+ return 1;
+#endif
+ return 0;
+}
+
/* libata-core.c */
enum {
/* flags for ata_dev_read_id() */
ATA_READID_POSTRESET = (1 << 0), /* reading ID after reset */
- ATA_READID_DETECT = (1 << 1), /* perform presence detection
- * using polling IDENTIFY */
+
+ /* selector for ata_down_xfermask_limit() */
+ ATA_DNXFER_PIO = 0, /* speed down PIO */
+ ATA_DNXFER_DMA = 1, /* speed down DMA */
+ ATA_DNXFER_40C = 2, /* apply 40c cable limit */
+ ATA_DNXFER_FORCE_PIO = 3, /* force PIO */
+ ATA_DNXFER_FORCE_PIO0 = 4, /* force PIO0 */
+
+ ATA_DNXFER_QUIET = (1 << 31),
};
+extern unsigned int ata_print_id;
extern struct workqueue_struct *ata_aux_wq;
-extern int atapi_enabled;
-extern int atapi_dmadir;
+extern int atapi_passthru16;
extern int libata_fua;
+extern int libata_noacpi;
+extern int libata_allow_tpm;
+extern struct ata_link *ata_dev_phys_link(struct ata_device *dev);
+extern void ata_force_cbl(struct ata_port *ap);
+extern u64 ata_tf_to_lba(const struct ata_taskfile *tf);
+extern u64 ata_tf_to_lba48(const struct ata_taskfile *tf);
extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev);
extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev,
u64 block, u32 n_block, unsigned int tf_flags,
unsigned int tag);
extern u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev);
-extern void ata_dev_disable(struct ata_device *dev);
-extern void ata_port_flush_task(struct ata_port *ap);
extern unsigned ata_exec_internal(struct ata_device *dev,
struct ata_taskfile *tf, const u8 *cdb,
- int dma_dir, void *buf, unsigned int buflen);
+ int dma_dir, void *buf, unsigned int buflen,
+ unsigned long timeout);
extern unsigned ata_exec_internal_sg(struct ata_device *dev,
struct ata_taskfile *tf, const u8 *cdb,
int dma_dir, struct scatterlist *sg,
- unsigned int n_elem);
+ unsigned int n_elem, unsigned long timeout);
extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd);
+extern int ata_wait_ready(struct ata_link *link, unsigned long deadline,
+ int (*check_ready)(struct ata_link *link));
extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
unsigned int flags, u16 *id);
-extern int ata_dev_revalidate(struct ata_device *dev, unsigned int flags);
+extern int ata_dev_reread_id(struct ata_device *dev, unsigned int readid_flags);
+extern int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class,
+ unsigned int readid_flags);
extern int ata_dev_configure(struct ata_device *dev);
-extern int sata_down_spd_limit(struct ata_port *ap);
-extern int sata_set_spd_needed(struct ata_port *ap);
-extern int ata_down_xfermask_limit(struct ata_device *dev, int force_pio0);
-extern int ata_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev);
+extern int sata_down_spd_limit(struct ata_link *link, u32 spd_limit);
+extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel);
+extern void ata_sg_clean(struct ata_queued_cmd *qc);
extern void ata_qc_free(struct ata_queued_cmd *qc);
extern void ata_qc_issue(struct ata_queued_cmd *qc);
extern void __ata_qc_complete(struct ata_queued_cmd *qc);
-extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);
-extern void ata_dev_select(struct ata_port *ap, unsigned int device,
- unsigned int wait, unsigned int can_sleep);
+extern int atapi_check_dma(struct ata_queued_cmd *qc);
extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
-extern int ata_flush_cache(struct ata_device *dev);
+extern bool ata_phys_link_online(struct ata_link *link);
+extern bool ata_phys_link_offline(struct ata_link *link);
extern void ata_dev_init(struct ata_device *dev);
+extern void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp);
+extern int sata_link_init_spd(struct ata_link *link);
extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
-extern void ata_port_init(struct ata_port *ap, struct ata_host *host,
- const struct ata_probe_ent *ent, unsigned int port_no);
-extern struct ata_probe_ent *ata_probe_ent_alloc(struct device *dev,
- const struct ata_port_info *port);
+extern struct ata_port *ata_port_alloc(struct ata_host *host);
+extern void ata_dev_enable_pm(struct ata_device *dev, enum link_pm policy);
+extern void ata_lpm_schedule(struct ata_port *ap, enum link_pm);
+/* libata-acpi.c */
+#ifdef CONFIG_ATA_ACPI
+extern unsigned int ata_acpi_gtf_filter;
-/* libata-scsi.c */
-extern struct scsi_transport_template ata_scsi_transport_template;
+extern void ata_acpi_associate_sata_port(struct ata_port *ap);
+extern void ata_acpi_associate(struct ata_host *host);
+extern void ata_acpi_dissociate(struct ata_host *host);
+extern int ata_acpi_on_suspend(struct ata_port *ap);
+extern void ata_acpi_on_resume(struct ata_port *ap);
+extern int ata_acpi_on_devcfg(struct ata_device *dev);
+extern void ata_acpi_on_disable(struct ata_device *dev);
+extern void ata_acpi_set_state(struct ata_port *ap, pm_message_t state);
+#else
+static inline void ata_acpi_associate_sata_port(struct ata_port *ap) { }
+static inline void ata_acpi_associate(struct ata_host *host) { }
+static inline void ata_acpi_dissociate(struct ata_host *host) { }
+static inline int ata_acpi_on_suspend(struct ata_port *ap) { return 0; }
+static inline void ata_acpi_on_resume(struct ata_port *ap) { }
+static inline int ata_acpi_on_devcfg(struct ata_device *dev) { return 0; }
+static inline void ata_acpi_on_disable(struct ata_device *dev) { }
+static inline void ata_acpi_set_state(struct ata_port *ap,
+ pm_message_t state) { }
+#endif
-extern void ata_scsi_scan_host(struct ata_port *ap);
+/* libata-scsi.c */
+extern int ata_scsi_add_hosts(struct ata_host *host,
+ struct scsi_host_template *sht);
+extern void ata_scsi_scan_host(struct ata_port *ap, int sync);
extern int ata_scsi_offline_dev(struct ata_device *dev);
-extern void ata_scsi_hotplug(void *data);
-extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
- unsigned int buflen);
-
-extern unsigned int ata_scsiop_inq_00(struct ata_scsi_args *args, u8 *rbuf,
- unsigned int buflen);
-
-extern unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf,
- unsigned int buflen);
-extern unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf,
- unsigned int buflen);
-extern unsigned int ata_scsiop_noop(struct ata_scsi_args *args, u8 *rbuf,
- unsigned int buflen);
-extern unsigned int ata_scsiop_sync_cache(struct ata_scsi_args *args, u8 *rbuf,
- unsigned int buflen);
-extern unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf,
- unsigned int buflen);
-extern unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
- unsigned int buflen);
-extern unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf,
- unsigned int buflen);
-extern void ata_scsi_badcmd(struct scsi_cmnd *cmd,
- void (*done)(struct scsi_cmnd *),
- u8 asc, u8 ascq);
-extern void ata_scsi_set_sense(struct scsi_cmnd *cmd,
- u8 sk, u8 asc, u8 ascq);
-extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
- unsigned int (*actor) (struct ata_scsi_args *args,
- u8 *rbuf, unsigned int buflen));
+extern void ata_scsi_media_change_notify(struct ata_device *dev);
+extern void ata_scsi_hotplug(struct work_struct *work);
extern void ata_schedule_scsi_eh(struct Scsi_Host *shost);
-extern void ata_scsi_dev_rescan(void *data);
+extern void ata_scsi_dev_rescan(struct work_struct *work);
extern int ata_bus_probe(struct ata_port *ap);
/* libata-eh.c */
-extern enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);
+extern unsigned long ata_internal_cmd_timeout(struct ata_device *dev, u8 cmd);
+extern void ata_internal_cmd_timed_out(struct ata_device *dev, u8 cmd);
+extern enum blk_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);
extern void ata_scsi_error(struct Scsi_Host *host);
extern void ata_port_wait_eh(struct ata_port *ap);
+extern void ata_eh_fastdrain_timerfn(unsigned long arg);
extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
+extern void ata_dev_disable(struct ata_device *dev);
+extern void ata_eh_detach_dev(struct ata_device *dev);
+extern void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev,
+ unsigned int action);
+extern void ata_eh_done(struct ata_link *link, struct ata_device *dev,
+ unsigned int action);
+extern void ata_eh_autopsy(struct ata_port *ap);
+const char *ata_get_cmd_descript(u8 command);
+extern void ata_eh_report(struct ata_port *ap);
+extern int ata_eh_reset(struct ata_link *link, int classify,
+ ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
+ ata_reset_fn_t hardreset, ata_postreset_fn_t postreset);
+extern int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev);
+extern int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
+ ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
+ ata_postreset_fn_t postreset,
+ struct ata_link **r_failed_disk);
+extern void ata_eh_finish(struct ata_port *ap);
+
+/* libata-pmp.c */
+#ifdef CONFIG_SATA_PMP
+extern int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val);
+extern int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val);
+extern int sata_pmp_attach(struct ata_device *dev);
+#else /* CONFIG_SATA_PMP */
+static inline int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val)
+{
+ return -EINVAL;
+}
+
+static inline int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val)
+{
+ return -EINVAL;
+}
+
+static inline int sata_pmp_attach(struct ata_device *dev)
+{
+ return -EINVAL;
+}
+#endif /* CONFIG_SATA_PMP */
/* libata-sff.c */
-extern u8 ata_irq_on(struct ata_port *ap);
+#ifdef CONFIG_ATA_SFF
+extern void ata_sff_flush_pio_task(struct ata_port *ap);
+extern void ata_sff_port_init(struct ata_port *ap);
+extern int ata_sff_init(void);
+extern void ata_sff_exit(void);
+#else /* CONFIG_ATA_SFF */
+static inline void ata_sff_flush_pio_task(struct ata_port *ap)
+{ }
+static inline void ata_sff_port_init(struct ata_port *ap)
+{ }
+static inline int ata_sff_init(void)
+{ return 0; }
+static inline void ata_sff_exit(void)
+{ }
+#endif /* CONFIG_ATA_SFF */
#endif /* __LIBATA_H__ */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff