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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;
Linus Torvalds1da177e2005-04-16 15:20:36 -070042extern struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
43 struct ata_device *dev);
44extern void ata_qc_free(struct ata_queued_cmd *qc);
45extern int ata_qc_issue(struct ata_queued_cmd *qc);
46extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);
47extern void ata_dev_select(struct ata_port *ap, unsigned int device,
48 unsigned int wait, unsigned int can_sleep);
49extern void ata_tf_to_host_nolock(struct ata_port *ap, struct ata_taskfile *tf);
50extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
51
52
53/* libata-scsi.c */
54extern void ata_to_sense_error(struct ata_queued_cmd *qc, u8 drv_stat);
55extern int ata_scsi_error(struct Scsi_Host *host);
56extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
57 unsigned int buflen);
58
59extern unsigned int ata_scsiop_inq_00(struct ata_scsi_args *args, u8 *rbuf,
60 unsigned int buflen);
61
62extern unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf,
63 unsigned int buflen);
64extern unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf,
65 unsigned int buflen);
66extern unsigned int ata_scsiop_noop(struct ata_scsi_args *args, u8 *rbuf,
67 unsigned int buflen);
68extern unsigned int ata_scsiop_sync_cache(struct ata_scsi_args *args, u8 *rbuf,
69 unsigned int buflen);
70extern unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf,
71 unsigned int buflen);
72extern unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
73 unsigned int buflen);
74extern unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf,
75 unsigned int buflen);
76extern void ata_scsi_badcmd(struct scsi_cmnd *cmd,
77 void (*done)(struct scsi_cmnd *),
78 u8 asc, u8 ascq);
Jeff Garzik8a60a072005-07-31 13:13:24 -040079extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
Linus Torvalds1da177e2005-04-16 15:20:36 -070080 unsigned int (*actor) (struct ata_scsi_args *args,
81 u8 *rbuf, unsigned int buflen));
82
83static inline void ata_bad_scsiop(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
84{
85 ata_scsi_badcmd(cmd, done, 0x20, 0x00);
86}
87
88static inline void ata_bad_cdb(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
89{
90 ata_scsi_badcmd(cmd, done, 0x24, 0x00);
91}
92
93#endif /* __LIBATA_H__ */