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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Jeff Garzikaf36d7f2005-08-28 20:18:39 -04002 * libata.h - helper library for ATA
3 *
4 * Copyright 2003-2004 Red Hat, Inc. All rights reserved.
5 * Copyright 2003-2004 Jeff Garzik
6 *
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2, or (at your option)
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; see the file COPYING. If not, write to
20 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 *
23 * libata documentation is available via 'make {ps|pdf}docs',
24 * as Documentation/DocBook/libata.*
25 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070026 */
27
28#ifndef __LIBATA_H__
29#define __LIBATA_H__
30
31#define DRV_NAME "libata"
Jeff Garzik68854332005-08-23 02:53:51 -040032#define DRV_VERSION "1.12" /* must be exactly four chars */
Linus Torvalds1da177e2005-04-16 15:20:36 -070033
34struct ata_scsi_args {
35 u16 *id;
36 struct scsi_cmnd *cmd;
37 void (*done)(struct scsi_cmnd *);
38};
39
40/* libata-core.c */
Jeff Garzik1623c812005-08-30 03:37:42 -040041extern int atapi_enabled;
Jeff Garzika939c962005-10-05 17:09:16 -040042extern int ata_qc_complete_noop(struct ata_queued_cmd *qc, u8 drv_stat);
Linus Torvalds1da177e2005-04-16 15:20:36 -070043extern struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
44 struct ata_device *dev);
Albert Lee8cbd6df2005-10-12 15:06:27 +080045extern void ata_rwcmd_protocol(struct ata_queued_cmd *qc);
Linus Torvalds1da177e2005-04-16 15:20:36 -070046extern void ata_qc_free(struct ata_queued_cmd *qc);
47extern int ata_qc_issue(struct ata_queued_cmd *qc);
48extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);
49extern void ata_dev_select(struct ata_port *ap, unsigned int device,
50 unsigned int wait, unsigned int can_sleep);
Jeff Garzik057ace52005-10-22 14:27:05 -040051extern void ata_tf_to_host_nolock(struct ata_port *ap, const struct ata_taskfile *tf);
Linus Torvalds1da177e2005-04-16 15:20:36 -070052extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
53
54
55/* libata-scsi.c */
Jeff Garzika939c962005-10-05 17:09:16 -040056extern void atapi_request_sense(struct ata_port *ap, struct ata_device *dev,
57 struct scsi_cmnd *cmd);
Jeff Garzik644dd0c2005-10-03 15:55:19 -040058extern void ata_scsi_scan_host(struct ata_port *ap);
Linus Torvalds1da177e2005-04-16 15:20:36 -070059extern void ata_to_sense_error(struct ata_queued_cmd *qc, u8 drv_stat);
60extern int ata_scsi_error(struct Scsi_Host *host);
61extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
62 unsigned int buflen);
63
64extern unsigned int ata_scsiop_inq_00(struct ata_scsi_args *args, u8 *rbuf,
65 unsigned int buflen);
66
67extern unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf,
68 unsigned int buflen);
69extern unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf,
70 unsigned int buflen);
71extern unsigned int ata_scsiop_noop(struct ata_scsi_args *args, u8 *rbuf,
72 unsigned int buflen);
73extern unsigned int ata_scsiop_sync_cache(struct ata_scsi_args *args, u8 *rbuf,
74 unsigned int buflen);
75extern unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf,
76 unsigned int buflen);
77extern unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
78 unsigned int buflen);
79extern unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf,
80 unsigned int buflen);
81extern void ata_scsi_badcmd(struct scsi_cmnd *cmd,
82 void (*done)(struct scsi_cmnd *),
83 u8 asc, u8 ascq);
Douglas Gilbert845c5832005-10-09 08:55:41 -040084extern void ata_scsi_set_sense(struct scsi_cmnd *cmd,
85 u8 sk, u8 asc, u8 ascq);
Jeff Garzik8a60a072005-07-31 13:13:24 -040086extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
Linus Torvalds1da177e2005-04-16 15:20:36 -070087 unsigned int (*actor) (struct ata_scsi_args *args,
88 u8 *rbuf, unsigned int buflen));
89
Linus Torvalds1da177e2005-04-16 15:20:36 -070090#endif /* __LIBATA_H__ */