[libata] AHCI: enable AHCI mode, before using AHCI reset

[linux-2.6-omap-h63xx.git] / drivers / ata / libata.h

diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index ba17fc5f2e998a1601993494cafc2b1d766c9468..ebe22982e80ccf54b383d24523a4d7a4fb7bf1e9 100644 (file)
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -29,6 +29,7 @@
 #define __LIBATA_H__
 
 #define DRV_NAME       "libata"
+#define DRV_VERSION    "2.21"  /* must be exactly four chars */
 
 struct ata_scsi_args {
        struct ata_device       *dev;
@@ -56,6 +57,7 @@ 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 struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev);
@@ -76,12 +78,13 @@ 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,
                           unsigned int flags, u16 *id);
 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 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 sata_down_spd_limit(struct ata_link *link);
+extern int sata_set_spd_needed(struct ata_link *link);
 extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel);
-extern int ata_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev);
+extern int ata_set_mode(struct ata_link *link, 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);
@@ -92,6 +95,8 @@ extern void ata_dev_select(struct ata_port *ap, unsigned int device,
 extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
 extern int ata_flush_cache(struct ata_device *dev);
 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 struct ata_port *ata_port_alloc(struct ata_host *host);
@@ -112,8 +117,9 @@ static inline int ata_acpi_on_devcfg(struct ata_device *adev) { return 0; }
 /* 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);
+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_media_change_notify(struct ata_device *dev);
 extern void ata_scsi_hotplug(struct work_struct *work);
 extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
                               unsigned int buflen);
@@ -151,7 +157,23 @@ extern int ata_bus_probe(struct ata_port *ap);
 extern enum scsi_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_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);
+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_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-sff.c */
 extern u8 ata_irq_on(struct ata_port *ap);