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[PATCH] aio: remove bare user-triggerable error printk
[GitHub/mt8127/android_kernel_alcatel_ttab.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"
1da177e4
LT		 32
33struct ata_scsi_args {
9a3dccc4 34 struct ata_device *dev;
1da177e4
LT		 35 u16 *id;
36 struct scsi_cmnd *cmd;
37 void (*done)(struct scsi_cmnd *);
38};
39
40/* libata-core.c */
bff04647
TH		 41enum {
42 /* flags for ata_dev_read_id() */
43 ATA_READID_POSTRESET = (1 << 0), /* reading ID after reset */
458337db
TH		 44
45 /* selector for ata_down_xfermask_limit() */
46 ATA_DNXFER_PIO = 0, /* speed down PIO */
47 ATA_DNXFER_DMA = 1, /* speed down DMA */
48 ATA_DNXFER_40C = 2, /* apply 40c cable limit */
49 ATA_DNXFER_FORCE_PIO = 3, /* force PIO */
50 ATA_DNXFER_FORCE_PIO0 = 4, /* force PIO0 */
458337db
TH		 51
52 ATA_DNXFER_QUIET = (1 << 31),
bff04647
TH		 53};
54
453b07ac 55extern struct workqueue_struct *ata_aux_wq;
1623c81e 56extern int atapi_enabled;
95de719a 57extern int atapi_dmadir;
c3c013a2 58extern int libata_fua;
11ef697b 59extern int noacpi;
3373efd8 60extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev);
bd056d7e
TH		 61extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev,
62 u64 block, u32 n_block, unsigned int tf_flags,
63 unsigned int tag);
35b649fe 64extern u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev);
3373efd8 65extern void ata_dev_disable(struct ata_device *dev);
86e45b6b 66extern void ata_port_flush_task(struct ata_port *ap);
3373efd8 67extern unsigned ata_exec_internal(struct ata_device *dev,
1ad8e7f9
TH		 68 struct ata_taskfile *tf, const u8 *cdb,
69 int dma_dir, void *buf, unsigned int buflen);
2432697b
TH		 70extern unsigned ata_exec_internal_sg(struct ata_device *dev,
71 struct ata_taskfile *tf, const u8 *cdb,
72 int dma_dir, struct scatterlist *sg,
73 unsigned int n_elem);
77b08fb5 74extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd);
a9beec95 75extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
bff04647
TH		 76 unsigned int flags, u16 *id);
77extern int ata_dev_revalidate(struct ata_device *dev, unsigned int flags);
efdaedc4 78extern int ata_dev_configure(struct ata_device *dev);
3c567b7d
TH		 79extern int sata_down_spd_limit(struct ata_port *ap);
80extern int sata_set_spd_needed(struct ata_port *ap);
458337db 81extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel);
1ad8e7f9 82extern int ata_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev);
70e6ad0c 83extern void ata_sg_clean(struct ata_queued_cmd *qc);
1da177e4 84extern void ata_qc_free(struct ata_queued_cmd *qc);
8e0e694a 85extern void ata_qc_issue(struct ata_queued_cmd *qc);
f686bcb8 86extern void __ata_qc_complete(struct ata_queued_cmd *qc);
1da177e4
LT		 87extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);
88extern void ata_dev_select(struct ata_port *ap, unsigned int device,
89 unsigned int wait, unsigned int can_sleep);
1da177e4 90extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
77b08fb5 91extern int ata_flush_cache(struct ata_device *dev);
3ef3b43d 92extern void ata_dev_init(struct ata_device *dev);
b095518e
JG		 93extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
94extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
cca3974e 95extern void ata_port_init(struct ata_port *ap, struct ata_host *host,
155a8a9c 96 const struct ata_probe_ent *ent, unsigned int port_no);
f6d950e2
BK		 97extern struct ata_probe_ent *ata_probe_ent_alloc(struct device *dev,
98 const struct ata_port_info *port);
1da177e4 99
11ef697b
KCA		 100/* libata-acpi.c */
101#ifdef CONFIG_SATA_ACPI
102extern int ata_acpi_exec_tfs(struct ata_port *ap);
7ea1fbc2 103extern int ata_acpi_push_id(struct ata_port *ap, unsigned int ix);
11ef697b
KCA		 104#else
105static inline int ata_acpi_exec_tfs(struct ata_port *ap)
106{
107 return 0;
108}
7ea1fbc2
KCA		 109static inline int ata_acpi_push_id(struct ata_port *ap, unsigned int ix)
110{
111 return 0;
112}
11ef697b 113#endif
1da177e4
LT		 114
115/* libata-scsi.c */
30afc84c
TH		 116extern struct scsi_transport_template ata_scsi_transport_template;
117
644dd0cc 118extern void ata_scsi_scan_host(struct ata_port *ap);
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);
f686bcb8 157extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
ece1d636 158
90088bb4
TH		 159/* libata-sff.c */
160extern u8 ata_irq_on(struct ata_port *ap);
161
77a527ea 162
1da177e4 163#endif /* __LIBATA_H__ */
kernel source for telekom puls (alcatel/mediatek)