2 * libata.h - helper library for ATA
4 * Copyright 2003-2004 Red Hat, Inc. All rights reserved.
5 * Copyright 2003-2004 Jeff Garzik
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)
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.
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.
23 * libata documentation is available via 'make {ps|pdf}docs',
24 * as Documentation/DocBook/libata.*
31 #define DRV_NAME "libata"
32 #define DRV_VERSION "1.30" /* must be exactly four chars */
34 struct ata_scsi_args
{
35 struct ata_device
*dev
;
37 struct scsi_cmnd
*cmd
;
38 void (*done
)(struct scsi_cmnd
*);
42 extern int atapi_enabled
;
43 extern int atapi_dmadir
;
44 extern int libata_fua
;
45 extern struct ata_queued_cmd
*ata_qc_new_init(struct ata_device
*dev
);
46 extern int ata_rwcmd_protocol(struct ata_queued_cmd
*qc
);
47 extern void ata_dev_disable(struct ata_device
*dev
);
48 extern void ata_port_flush_task(struct ata_port
*ap
);
49 extern unsigned ata_exec_internal(struct ata_device
*dev
,
50 struct ata_taskfile
*tf
, const u8
*cdb
,
51 int dma_dir
, void *buf
, unsigned int buflen
);
52 extern int sata_down_spd_limit(struct ata_port
*ap
);
53 extern int sata_set_spd_needed(struct ata_port
*ap
);
54 extern int ata_down_xfermask_limit(struct ata_device
*dev
, int force_pio0
);
55 extern int ata_set_mode(struct ata_port
*ap
, struct ata_device
**r_failed_dev
);
56 extern int ata_do_reset(struct ata_port
*ap
, ata_reset_fn_t reset
,
57 unsigned int *classes
);
58 extern void ata_qc_free(struct ata_queued_cmd
*qc
);
59 extern void ata_qc_issue(struct ata_queued_cmd
*qc
);
60 extern void __ata_qc_complete(struct ata_queued_cmd
*qc
);
61 extern int ata_check_atapi_dma(struct ata_queued_cmd
*qc
);
62 extern void ata_dev_select(struct ata_port
*ap
, unsigned int device
,
63 unsigned int wait
, unsigned int can_sleep
);
64 extern void swap_buf_le16(u16
*buf
, unsigned int buf_words
);
65 extern int ata_task_ioctl(struct scsi_device
*scsidev
, void __user
*arg
);
66 extern int ata_cmd_ioctl(struct scsi_device
*scsidev
, void __user
*arg
);
70 extern struct scsi_transport_template ata_scsi_transport_template
;
72 extern void ata_scsi_scan_host(struct ata_port
*ap
);
73 extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args
*args
, u8
*rbuf
,
76 extern unsigned int ata_scsiop_inq_00(struct ata_scsi_args
*args
, u8
*rbuf
,
79 extern unsigned int ata_scsiop_inq_80(struct ata_scsi_args
*args
, u8
*rbuf
,
81 extern unsigned int ata_scsiop_inq_83(struct ata_scsi_args
*args
, u8
*rbuf
,
83 extern unsigned int ata_scsiop_noop(struct ata_scsi_args
*args
, u8
*rbuf
,
85 extern unsigned int ata_scsiop_sync_cache(struct ata_scsi_args
*args
, u8
*rbuf
,
87 extern unsigned int ata_scsiop_mode_sense(struct ata_scsi_args
*args
, u8
*rbuf
,
89 extern unsigned int ata_scsiop_read_cap(struct ata_scsi_args
*args
, u8
*rbuf
,
91 extern unsigned int ata_scsiop_report_luns(struct ata_scsi_args
*args
, u8
*rbuf
,
93 extern void ata_scsi_badcmd(struct scsi_cmnd
*cmd
,
94 void (*done
)(struct scsi_cmnd
*),
96 extern void ata_scsi_set_sense(struct scsi_cmnd
*cmd
,
97 u8 sk
, u8 asc
, u8 ascq
);
98 extern void ata_scsi_rbuf_fill(struct ata_scsi_args
*args
,
99 unsigned int (*actor
) (struct ata_scsi_args
*args
,
100 u8
*rbuf
, unsigned int buflen
));
101 extern void ata_schedule_scsi_eh(struct Scsi_Host
*shost
);
104 extern enum scsi_eh_timer_return
ata_scsi_timed_out(struct scsi_cmnd
*cmd
);
105 extern void ata_scsi_error(struct Scsi_Host
*host
);
106 extern void ata_qc_schedule_eh(struct ata_queued_cmd
*qc
);
108 #endif /* __LIBATA_H__ */