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 "2.00" /* 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 struct workqueue_struct *ata_aux_wq;
43 extern int atapi_enabled;
44 extern int atapi_dmadir;
45 extern int libata_fua;
46 extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev);
47 extern int ata_rwcmd_protocol(struct ata_queued_cmd *qc);
48 extern void ata_dev_disable(struct ata_device *dev);
49 extern void ata_port_flush_task(struct ata_port *ap);
50 extern unsigned ata_exec_internal(struct ata_device *dev,
51 struct ata_taskfile *tf, const u8 *cdb,
52 int dma_dir, void *buf, unsigned int buflen);
53 extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd);
54 extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
55 int post_reset, u16 *id);
56 extern int ata_dev_configure(struct ata_device *dev, int print_info);
57 extern int sata_down_spd_limit(struct ata_port *ap);
58 extern int sata_set_spd_needed(struct ata_port *ap);
59 extern int ata_down_xfermask_limit(struct ata_device *dev, int force_pio0);
60 extern int ata_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev);
61 extern void ata_qc_free(struct ata_queued_cmd *qc);
62 extern void ata_qc_issue(struct ata_queued_cmd *qc);
63 extern void __ata_qc_complete(struct ata_queued_cmd *qc);
64 extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);
65 extern void ata_dev_select(struct ata_port *ap, unsigned int device,
66 unsigned int wait, unsigned int can_sleep);
67 extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
68 extern int ata_flush_cache(struct ata_device *dev);
69 extern void ata_dev_init(struct ata_device *dev);
70 extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
71 extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
75 extern struct scsi_transport_template ata_scsi_transport_template;
77 extern void ata_scsi_scan_host(struct ata_port *ap);
78 extern int ata_scsi_offline_dev(struct ata_device *dev);
79 extern void ata_scsi_hotplug(void *data);
80 extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
83 extern unsigned int ata_scsiop_inq_00(struct ata_scsi_args *args, u8 *rbuf,
86 extern unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf,
88 extern unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf,
90 extern unsigned int ata_scsiop_noop(struct ata_scsi_args *args, u8 *rbuf,
92 extern unsigned int ata_scsiop_sync_cache(struct ata_scsi_args *args, u8 *rbuf,
94 extern unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf,
96 extern unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
98 extern unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf,
100 extern void ata_scsi_badcmd(struct scsi_cmnd *cmd,
101 void (*done)(struct scsi_cmnd *),
103 extern void ata_scsi_set_sense(struct scsi_cmnd *cmd,
104 u8 sk, u8 asc, u8 ascq);
105 extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
106 unsigned int (*actor) (struct ata_scsi_args *args,
107 u8 *rbuf, unsigned int buflen));
108 extern void ata_schedule_scsi_eh(struct Scsi_Host *shost);
109 extern void ata_scsi_dev_rescan(void *data);
112 extern enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);
113 extern void ata_scsi_error(struct Scsi_Host *host);
114 extern void ata_port_wait_eh(struct ata_port *ap);
115 extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
117 #endif /* __LIBATA_H__ */