Move libata to drivers/ata.

1 files changed, 122 insertions, 0 deletions

diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
new file mode 100644
index 00000000000..d4a4f82360e
--- /dev/null
+++ b/drivers/ata/libata.h
@@ -0,0 +1,122 @@
+/*
+ *  libata.h - helper library for ATA
+ *
+ *  Copyright 2003-2004 Red Hat, Inc.  All rights reserved.
+ *  Copyright 2003-2004 Jeff Garzik
+ *
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; see the file COPYING.  If not, write to
+ *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ *  libata documentation is available via 'make {ps|pdf}docs',
+ *  as Documentation/DocBook/libata.*
+ *
+ */
+
+#ifndef __LIBATA_H__
+#define __LIBATA_H__
+
+#define DRV_NAME	"libata"
+#define DRV_VERSION	"2.00"	/* must be exactly four chars */
+
+struct ata_scsi_args {
+	struct ata_device	*dev;
+	u16			*id;
+	struct scsi_cmnd	*cmd;
+	void			(*done)(struct scsi_cmnd *);
+};
+
+/* libata-core.c */
+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 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 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_configure(struct ata_device *dev, int print_info);
+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_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 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 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_set *host_set,
+			  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);
+
+
+/* libata-scsi.c */
+extern struct scsi_transport_template ata_scsi_transport_template;
+
+extern void ata_scsi_scan_host(struct ata_port *ap);
+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_schedule_scsi_eh(struct Scsi_Host *shost);
+extern void ata_scsi_dev_rescan(void *data);
+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 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);
+
+#endif /* __LIBATA_H__ */