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path: root/drivers/ata/libata.h
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Diffstat (limited to 'drivers/ata/libata.h')
-rw-r--r--drivers/ata/libata.h24
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 7e0f3aff873..81ae41d5f23 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -39,26 +39,39 @@ struct ata_scsi_args {
};
/* libata-core.c */
+enum {
+ /* flags for ata_dev_read_id() */
+ ATA_READID_POSTRESET = (1 << 0), /* reading ID after reset */
+};
+
extern struct workqueue_struct *ata_aux_wq;
extern int atapi_enabled;
extern int atapi_dmadir;
extern int libata_fua;
extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev);
-extern int ata_rwcmd_protocol(struct ata_queued_cmd *qc);
+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);
+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);
extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd);
extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
- int post_reset, u16 *id);
-extern int ata_dev_revalidate(struct ata_device *dev, int post_reset);
-extern int ata_dev_configure(struct ata_device *dev, int print_info);
+ unsigned int flags, u16 *id);
+extern int ata_dev_revalidate(struct ata_device *dev, unsigned int 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 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);
@@ -120,4 +133,7 @@ extern void ata_scsi_error(struct Scsi_Host *host);
extern void ata_port_wait_eh(struct ata_port *ap);
extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
+/* libata-sff.c */
+extern u8 ata_irq_on(struct ata_port *ap);
+
#endif /* __LIBATA_H__ */