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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/*
2 * 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 *
26 */
27
28#ifndef __LIBATA_H__
29#define __LIBATA_H__
30
31#define DRV_NAME "libata"
32#define DRV_VERSION "1.20" /* must be exactly four chars */
33
34struct ata_scsi_args {
35 struct ata_port *ap;
36 struct ata_device *dev;
37 u16 *id;
38 struct scsi_cmnd *cmd;
39 void (*done)(struct scsi_cmnd *);
40};
41
42/* libata-core.c */
43extern int atapi_enabled;
44extern struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
45 struct ata_device *dev);
46extern int ata_rwcmd_protocol(struct ata_queued_cmd *qc);
47extern void ata_qc_free(struct ata_queued_cmd *qc);
48extern int ata_qc_issue(struct ata_queued_cmd *qc);
49extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);
50extern void ata_dev_select(struct ata_port *ap, unsigned int device,
51 unsigned int wait, unsigned int can_sleep);
52extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
53extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
54extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
55
56
57/* libata-scsi.c */
58extern void ata_scsi_scan_host(struct ata_port *ap);
59extern int ata_scsi_error(struct Scsi_Host *host);
60extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
61 unsigned int buflen);
62
63extern unsigned int ata_scsiop_inq_00(struct ata_scsi_args *args, u8 *rbuf,
64 unsigned int buflen);
65
66extern unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf,
67 unsigned int buflen);
68extern unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf,
69 unsigned int buflen);
70extern unsigned int ata_scsiop_noop(struct ata_scsi_args *args, u8 *rbuf,
71 unsigned int buflen);
72extern unsigned int ata_scsiop_sync_cache(struct ata_scsi_args *args, u8 *rbuf,
73 unsigned int buflen);
74extern unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf,
75 unsigned int buflen);
76extern unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
77 unsigned int buflen);
78extern unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf,
79 unsigned int buflen);
80extern void ata_scsi_badcmd(struct scsi_cmnd *cmd,
81 void (*done)(struct scsi_cmnd *),
82 u8 asc, u8 ascq);
83extern void ata_scsi_set_sense(struct scsi_cmnd *cmd,
84 u8 sk, u8 asc, u8 ascq);
85extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
86 unsigned int (*actor) (struct ata_scsi_args *args,
87 u8 *rbuf, unsigned int buflen));
88
89#endif /* __LIBATA_H__ */