projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
libata-pmp-prep: add @new_class to ata_dev_revalidate()
[deliverable/linux.git] / drivers / ata / libata.h
CommitLineData
1da177e4 1/*
af36d7f0
JG		 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 *
1da177e4
LT		 26 */
27
28#ifndef __LIBATA_H__
29#define __LIBATA_H__
30
31#define DRV_NAME "libata"
c78968bb 32#define DRV_VERSION "2.21" /* must be exactly four chars */
1da177e4
LT		 33
34struct ata_scsi_args {
9a3dccc4 35 struct ata_device *dev;
1da177e4
LT		 36 u16 *id;
37 struct scsi_cmnd *cmd;
38 void (*done)(struct scsi_cmnd *);
39};
40
41/* libata-core.c */
bff04647
TH		 42enum {
43 /* flags for ata_dev_read_id() */
44 ATA_READID_POSTRESET = (1 << 0), /* reading ID after reset */
458337db
TH		 45
46 /* selector for ata_down_xfermask_limit() */
47 ATA_DNXFER_PIO = 0, /* speed down PIO */
48 ATA_DNXFER_DMA = 1, /* speed down DMA */
49 ATA_DNXFER_40C = 2, /* apply 40c cable limit */
50 ATA_DNXFER_FORCE_PIO = 3, /* force PIO */
51 ATA_DNXFER_FORCE_PIO0 = 4, /* force PIO0 */
458337db
TH		 52
53 ATA_DNXFER_QUIET = (1 << 31),
bff04647
TH		 54};
55
f3187195 56extern unsigned int ata_print_id;
453b07ac 57extern struct workqueue_struct *ata_aux_wq;
1623c81e 58extern int atapi_enabled;
95de719a 59extern int atapi_dmadir;
baf4fdfa 60extern int atapi_passthru16;
c3c013a2 61extern int libata_fua;
d7d0dad6 62extern int libata_noacpi;
3373efd8 63extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev);
bd056d7e
TH		 64extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev,
65 u64 block, u32 n_block, unsigned int tf_flags,
66 unsigned int tag);
35b649fe 67extern u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev);
3373efd8 68extern void ata_dev_disable(struct ata_device *dev);
86e45b6b 69extern void ata_port_flush_task(struct ata_port *ap);
3373efd8 70extern unsigned ata_exec_internal(struct ata_device *dev,
1ad8e7f9
TH		 71 struct ata_taskfile *tf, const u8 *cdb,
72 int dma_dir, void *buf, unsigned int buflen);
2432697b
TH		 73extern unsigned ata_exec_internal_sg(struct ata_device *dev,
74 struct ata_taskfile *tf, const u8 *cdb,
75 int dma_dir, struct scatterlist *sg,
76 unsigned int n_elem);
77b08fb5 77extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd);
a9beec95 78extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
bff04647 79 unsigned int flags, u16 *id);
fe30911b 80extern int ata_dev_reread_id(struct ata_device *dev, unsigned int readid_flags);
422c9daa
TH		 81extern int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class,
82 unsigned int readid_flags);
efdaedc4 83extern int ata_dev_configure(struct ata_device *dev);
936fd732
TH		 84extern int sata_down_spd_limit(struct ata_link *link);
85extern int sata_set_spd_needed(struct ata_link *link);
458337db 86extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel);
0260731f 87extern int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev);
70e6ad0c 88extern void ata_sg_clean(struct ata_queued_cmd *qc);
1da177e4 89extern void ata_qc_free(struct ata_queued_cmd *qc);
8e0e694a 90extern void ata_qc_issue(struct ata_queued_cmd *qc);
f686bcb8 91extern void __ata_qc_complete(struct ata_queued_cmd *qc);
1da177e4
LT		 92extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);
93extern void ata_dev_select(struct ata_port *ap, unsigned int device,
94 unsigned int wait, unsigned int can_sleep);
1da177e4 95extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
77b08fb5 96extern int ata_flush_cache(struct ata_device *dev);
3ef3b43d 97extern void ata_dev_init(struct ata_device *dev);
b095518e
JG		 98extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
99extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
f3187195 100extern struct ata_port *ata_port_alloc(struct ata_host *host);
1da177e4 101
11ef697b 102/* libata-acpi.c */
e92351bb 103#ifdef CONFIG_ATA_ACPI
fafbae87 104extern void ata_acpi_associate(struct ata_host *host);
64578a3d 105extern int ata_acpi_on_suspend(struct ata_port *ap);
6746544c
TH		 106extern void ata_acpi_on_resume(struct ata_port *ap);
107extern int ata_acpi_on_devcfg(struct ata_device *adev);
11ef697b 108#else
fafbae87 109static inline void ata_acpi_associate(struct ata_host *host) { }
64578a3d 110static inline int ata_acpi_on_suspend(struct ata_port *ap) { return 0; }
6746544c
TH		 111static inline void ata_acpi_on_resume(struct ata_port *ap) { }
112static inline int ata_acpi_on_devcfg(struct ata_device *adev) { return 0; }
11ef697b 113#endif
1da177e4
LT		 114
115/* libata-scsi.c */
f3187195
TH		 116extern int ata_scsi_add_hosts(struct ata_host *host,
117 struct scsi_host_template *sht);
1ae46317 118extern void ata_scsi_scan_host(struct ata_port *ap, int sync);
0ea035a3 119extern int ata_scsi_offline_dev(struct ata_device *dev);
65f27f38 120extern void ata_scsi_hotplug(struct work_struct *work);
1da177e4
LT		 121extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
122 unsigned int buflen);
123
124extern unsigned int ata_scsiop_inq_00(struct ata_scsi_args *args, u8 *rbuf,
125 unsigned int buflen);
126
127extern unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf,
128 unsigned int buflen);
129extern unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf,
130 unsigned int buflen);
131extern unsigned int ata_scsiop_noop(struct ata_scsi_args *args, u8 *rbuf,
132 unsigned int buflen);
133extern unsigned int ata_scsiop_sync_cache(struct ata_scsi_args *args, u8 *rbuf,
134 unsigned int buflen);
135extern unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf,
136 unsigned int buflen);
137extern unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
138 unsigned int buflen);
139extern unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf,
140 unsigned int buflen);
141extern void ata_scsi_badcmd(struct scsi_cmnd *cmd,
142 void (*done)(struct scsi_cmnd *),
143 u8 asc, u8 ascq);
845c5834
DG		 144extern void ata_scsi_set_sense(struct scsi_cmnd *cmd,
145 u8 sk, u8 asc, u8 ascq);
8a60a071 146extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
1da177e4
LT		 147 unsigned int (*actor) (struct ata_scsi_args *args,
148 u8 *rbuf, unsigned int buflen));
7b70fc03 149extern void ata_schedule_scsi_eh(struct Scsi_Host *shost);
65f27f38 150extern void ata_scsi_dev_rescan(struct work_struct *work);
80289167 151extern int ata_bus_probe(struct ata_port *ap);
1da177e4 152
ece1d636
TH		 153/* libata-eh.c */
154extern enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);
381544bb 155extern void ata_scsi_error(struct Scsi_Host *host);
c6cf9e99 156extern void ata_port_wait_eh(struct ata_port *ap);
5ddf24c5 157extern void ata_eh_fastdrain_timerfn(unsigned long arg);
f686bcb8 158extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
ece1d636 159
90088bb4
TH		 160/* libata-sff.c */
161extern u8 ata_irq_on(struct ata_port *ap);
162
77a527ea 163
1da177e4 164#endif /* __LIBATA_H__ */
Linux kernel - Deliverables
This page took 0.217674 seconds and 5 git commands to generate.