[deliverable/linux.git] / drivers / ata / libata.h

/*
 *  libata.h - helper library for ATA
 *
 *  Copyright 2003-2004 Red Hat, Inc.  All rights reserved.
 *  Copyright 2003-2004 Jeff Garzik
 *
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *
 *  libata documentation is available via 'make {ps|pdf}docs',
 *  as Documentation/DocBook/libata.*
 *
 */

#ifndef __LIBATA_H__
#define __LIBATA_H__

#define DRV_NAME	"libata"
#define DRV_VERSION	"3.00"	/* must be exactly four chars */

struct ata_scsi_args {
	struct ata_device	*dev;
	u16			*id;
	struct scsi_cmnd	*cmd;
	void			(*done)(struct scsi_cmnd *);
};

static inline int ata_is_builtin_hardreset(ata_reset_fn_t reset)
{
	if (reset == sata_std_hardreset)
		return 1;
#ifdef CONFIG_ATA_SFF
	if (reset == sata_sff_hardreset)
		return 1;
#endif
	return 0;
}

/* libata-core.c */
enum {
	/* flags for ata_dev_read_id() */
	ATA_READID_POSTRESET	= (1 << 0), /* reading ID after reset */

	/* selector for ata_down_xfermask_limit() */
	ATA_DNXFER_PIO		= 0,	/* speed down PIO */
	ATA_DNXFER_DMA		= 1,	/* speed down DMA */
	ATA_DNXFER_40C		= 2,	/* apply 40c cable limit */
	ATA_DNXFER_FORCE_PIO	= 3,	/* force PIO */
	ATA_DNXFER_FORCE_PIO0	= 4,	/* force PIO0 */

	ATA_DNXFER_QUIET	= (1 << 31),
};

extern unsigned int ata_print_id;
extern struct workqueue_struct *ata_aux_wq;
extern int atapi_enabled;
extern int atapi_passthru16;
extern int libata_fua;
extern int libata_noacpi;
extern int libata_allow_tpm;
extern void ata_force_cbl(struct ata_port *ap);
extern u64 ata_tf_to_lba(const struct ata_taskfile *tf);
extern u64 ata_tf_to_lba48(const struct ata_taskfile *tf);
extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev);
extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev,
			   u64 block, u32 n_block, unsigned int tf_flags,
			   unsigned int tag);
extern u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev);
extern void ata_dev_disable(struct ata_device *dev);
extern void ata_pio_queue_task(struct ata_port *ap, void *data,
			       unsigned long delay);
extern void ata_port_flush_task(struct ata_port *ap);
extern unsigned ata_exec_internal(struct ata_device *dev,
				  struct ata_taskfile *tf, const u8 *cdb,
				  int dma_dir, void *buf, unsigned int buflen,
				  unsigned long timeout);
extern unsigned ata_exec_internal_sg(struct ata_device *dev,
				     struct ata_taskfile *tf, const u8 *cdb,
				     int dma_dir, struct scatterlist *sg,
				     unsigned int n_elem, unsigned long timeout);
extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd);
extern int ata_wait_ready(struct ata_link *link, unsigned long deadline,
			  int (*check_ready)(struct ata_link *link));
extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
			   unsigned int flags, u16 *id);
extern int ata_dev_reread_id(struct ata_device *dev, unsigned int readid_flags);
extern int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class,
			      unsigned int readid_flags);
extern int ata_dev_configure(struct ata_device *dev);
extern int sata_down_spd_limit(struct ata_link *link);
extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel);
extern void ata_sg_clean(struct ata_queued_cmd *qc);
extern void ata_qc_free(struct ata_queued_cmd *qc);
extern void ata_qc_issue(struct ata_queued_cmd *qc);
extern void __ata_qc_complete(struct ata_queued_cmd *qc);
extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);
extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
extern void ata_dev_init(struct ata_device *dev);
extern void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp);
extern int sata_link_init_spd(struct ata_link *link);
extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
extern struct ata_port *ata_port_alloc(struct ata_host *host);
extern void ata_dev_enable_pm(struct ata_device *dev, enum link_pm policy);
extern void ata_lpm_schedule(struct ata_port *ap, enum link_pm);

/* libata-acpi.c */
#ifdef CONFIG_ATA_ACPI
extern void ata_acpi_associate_sata_port(struct ata_port *ap);
extern void ata_acpi_associate(struct ata_host *host);
extern void ata_acpi_dissociate(struct ata_host *host);
extern int ata_acpi_on_suspend(struct ata_port *ap);
extern void ata_acpi_on_resume(struct ata_port *ap);
extern int ata_acpi_on_devcfg(struct ata_device *dev);
extern void ata_acpi_on_disable(struct ata_device *dev);
extern void ata_acpi_set_state(struct ata_port *ap, pm_message_t state);
#else
static inline void ata_acpi_associate_sata_port(struct ata_port *ap) { }
static inline void ata_acpi_associate(struct ata_host *host) { }
static inline void ata_acpi_dissociate(struct ata_host *host) { }
static inline int ata_acpi_on_suspend(struct ata_port *ap) { return 0; }
static inline void ata_acpi_on_resume(struct ata_port *ap) { }
static inline int ata_acpi_on_devcfg(struct ata_device *dev) { return 0; }
static inline void ata_acpi_on_disable(struct ata_device *dev) { }
static inline void ata_acpi_set_state(struct ata_port *ap,
				      pm_message_t state) { }
#endif

/* libata-scsi.c */
extern int ata_scsi_add_hosts(struct ata_host *host,
			      struct scsi_host_template *sht);
extern void ata_scsi_scan_host(struct ata_port *ap, int sync);
extern int ata_scsi_offline_dev(struct ata_device *dev);
extern void ata_scsi_media_change_notify(struct ata_device *dev);
extern void ata_scsi_hotplug(struct work_struct *work);
extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
			       unsigned int buflen);

extern unsigned int ata_scsiop_inq_00(struct ata_scsi_args *args, u8 *rbuf,
			      unsigned int buflen);

extern unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf,
			      unsigned int buflen);
extern unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf,
			      unsigned int buflen);
extern unsigned int ata_scsiop_noop(struct ata_scsi_args *args, u8 *rbuf,
			    unsigned int buflen);
extern unsigned int ata_scsiop_sync_cache(struct ata_scsi_args *args, u8 *rbuf,
				  unsigned int buflen);
extern unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf,
				  unsigned int buflen);
extern unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
			        unsigned int buflen);
extern unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf,
				   unsigned int buflen);
extern void ata_scsi_badcmd(struct scsi_cmnd *cmd,
			    void (*done)(struct scsi_cmnd *),
			    u8 asc, u8 ascq);
extern void ata_scsi_set_sense(struct scsi_cmnd *cmd,
			       u8 sk, u8 asc, u8 ascq);
extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
                        unsigned int (*actor) (struct ata_scsi_args *args,
                                           u8 *rbuf, unsigned int buflen));
extern void ata_schedule_scsi_eh(struct Scsi_Host *shost);
extern void ata_scsi_dev_rescan(struct work_struct *work);
extern int ata_bus_probe(struct ata_port *ap);

/* libata-eh.c */
extern enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);
extern void ata_scsi_error(struct Scsi_Host *host);
extern void ata_port_wait_eh(struct ata_port *ap);
extern void ata_eh_fastdrain_timerfn(unsigned long arg);
extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
extern void ata_eh_detach_dev(struct ata_device *dev);
extern void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev,
			       unsigned int action);
extern void ata_eh_done(struct ata_link *link, struct ata_device *dev,
			unsigned int action);
extern void ata_eh_autopsy(struct ata_port *ap);
extern void ata_eh_report(struct ata_port *ap);
extern int ata_eh_reset(struct ata_link *link, int classify,
			ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
			ata_reset_fn_t hardreset, ata_postreset_fn_t postreset);
extern int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev);
extern int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
			  ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
			  ata_postreset_fn_t postreset,
			  struct ata_link **r_failed_disk);
extern void ata_eh_finish(struct ata_port *ap);

/* libata-pmp.c */
#ifdef CONFIG_SATA_PMP
extern int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val);
extern int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val);
extern int sata_pmp_attach(struct ata_device *dev);
#else /* CONFIG_SATA_PMP */
static inline int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val)
{
	return -EINVAL;
}

static inline int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val)
{
	return -EINVAL;
}

static inline int sata_pmp_attach(struct ata_device *dev)
{
	return -EINVAL;
}
#endif /* CONFIG_SATA_PMP */

/* libata-sff.c */
#ifdef CONFIG_ATA_SFF
extern void ata_dev_select(struct ata_port *ap, unsigned int device,
                           unsigned int wait, unsigned int can_sleep);
extern u8 ata_irq_on(struct ata_port *ap);
extern void ata_pio_task(struct work_struct *work);
#endif /* CONFIG_ATA_SFF */

#endif /* __LIBATA_H__ */
Commit	Line	Data
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"
633273a3	32	#define DRV_VERSION "3.00" /* must be exactly four chars */
1da177e4 LT	33
1da177e4 LT	34	struct 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
57c9efdf TH	41	static inline int ata_is_builtin_hardreset(ata_reset_fn_t reset)
	42	{
	43	if (reset == sata_std_hardreset)
	44	return 1;
127102ae	45	#ifdef CONFIG_ATA_SFF
57c9efdf TH	46	if (reset == sata_sff_hardreset)
57c9efdf TH	47	return 1;
127102ae	48	#endif
57c9efdf TH	49	return 0;
	50	}
	51
1da177e4	52	/* libata-core.c */
bff04647 TH	53	enum {
	54	/* flags for ata_dev_read_id() */
	55	ATA_READID_POSTRESET = (1 << 0), /* reading ID after reset */
458337db TH	56
	57	/* selector for ata_down_xfermask_limit() */
	58	ATA_DNXFER_PIO = 0, /* speed down PIO */
	59	ATA_DNXFER_DMA = 1, /* speed down DMA */
	60	ATA_DNXFER_40C = 2, /* apply 40c cable limit */
	61	ATA_DNXFER_FORCE_PIO = 3, /* force PIO */
	62	ATA_DNXFER_FORCE_PIO0 = 4, /* force PIO0 */
458337db TH	63
458337db TH	64	ATA_DNXFER_QUIET = (1 << 31),
bff04647 TH	65	};
bff04647 TH	66
f3187195	67	extern unsigned int ata_print_id;
453b07ac	68	extern struct workqueue_struct *ata_aux_wq;
1623c81e	69	extern int atapi_enabled;
baf4fdfa	70	extern int atapi_passthru16;
c3c013a2	71	extern int libata_fua;
d7d0dad6	72	extern int libata_noacpi;
ae8d4ee7	73	extern int libata_allow_tpm;
33267325	74	extern void ata_force_cbl(struct ata_port *ap);
a5987e0a TH	75	extern u64 ata_tf_to_lba(const struct ata_taskfile *tf);
a5987e0a TH	76	extern u64 ata_tf_to_lba48(const struct ata_taskfile *tf);
3373efd8	77	extern struct ata_queued_cmd ata_qc_new_init(struct ata_device dev);
bd056d7e TH	78	extern int ata_build_rw_tf(struct ata_taskfile tf, struct ata_device dev,
	79	u64 block, u32 n_block, unsigned int tf_flags,
	80	unsigned int tag);
35b649fe	81	extern u64 ata_tf_read_block(struct ata_taskfile tf, struct ata_device dev);
3373efd8	82	extern void ata_dev_disable(struct ata_device *dev);
624d5c51 TH	83	extern void ata_pio_queue_task(struct ata_port ap, void data,
624d5c51 TH	84	unsigned long delay);
86e45b6b	85	extern void ata_port_flush_task(struct ata_port *ap);
3373efd8	86	extern unsigned ata_exec_internal(struct ata_device *dev,
1ad8e7f9	87	struct ata_taskfile tf, const u8 cdb,
2b789108 TH	88	int dma_dir, void *buf, unsigned int buflen,
2b789108 TH	89	unsigned long timeout);
2432697b TH	90	extern unsigned ata_exec_internal_sg(struct ata_device *dev,
	91	struct ata_taskfile tf, const u8 cdb,
	92	int dma_dir, struct scatterlist *sg,
2b789108	93	unsigned int n_elem, unsigned long timeout);
77b08fb5	94	extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd);
aa2731ad TH	95	extern int ata_wait_ready(struct ata_link *link, unsigned long deadline,
aa2731ad TH	96	int (check_ready)(struct ata_link link));
a9beec95	97	extern int ata_dev_read_id(struct ata_device dev, unsigned int p_class,
bff04647	98	unsigned int flags, u16 *id);
fe30911b	99	extern int ata_dev_reread_id(struct ata_device *dev, unsigned int readid_flags);
422c9daa TH	100	extern int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class,
422c9daa TH	101	unsigned int readid_flags);
efdaedc4	102	extern int ata_dev_configure(struct ata_device *dev);
936fd732	103	extern int sata_down_spd_limit(struct ata_link *link);
458337db	104	extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel);
70e6ad0c	105	extern void ata_sg_clean(struct ata_queued_cmd *qc);
1da177e4	106	extern void ata_qc_free(struct ata_queued_cmd *qc);
8e0e694a	107	extern void ata_qc_issue(struct ata_queued_cmd *qc);
f686bcb8	108	extern void __ata_qc_complete(struct ata_queued_cmd *qc);
1da177e4	109	extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);
1da177e4	110	extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
3ef3b43d	111	extern void ata_dev_init(struct ata_device *dev);
fb7fd614 TH	112	extern void ata_link_init(struct ata_port ap, struct ata_link link, int pmp);
fb7fd614 TH	113	extern int sata_link_init_spd(struct ata_link *link);
b095518e JG	114	extern int ata_task_ioctl(struct scsi_device scsidev, void __user arg);
b095518e JG	115	extern int ata_cmd_ioctl(struct scsi_device scsidev, void __user arg);
f3187195	116	extern struct ata_port ata_port_alloc(struct ata_host host);
ca77329f KCA	117	extern void ata_dev_enable_pm(struct ata_device *dev, enum link_pm policy);
ca77329f KCA	118	extern void ata_lpm_schedule(struct ata_port *ap, enum link_pm);
1da177e4	119
11ef697b	120	/* libata-acpi.c */
e92351bb	121	#ifdef CONFIG_ATA_ACPI
d0df8b5d	122	extern void ata_acpi_associate_sata_port(struct ata_port *ap);
fafbae87	123	extern void ata_acpi_associate(struct ata_host *host);
562f0c2d	124	extern void ata_acpi_dissociate(struct ata_host *host);
64578a3d	125	extern int ata_acpi_on_suspend(struct ata_port *ap);
6746544c	126	extern void ata_acpi_on_resume(struct ata_port *ap);
562f0c2d TH	127	extern int ata_acpi_on_devcfg(struct ata_device *dev);
562f0c2d TH	128	extern void ata_acpi_on_disable(struct ata_device *dev);
bd3adca5	129	extern void ata_acpi_set_state(struct ata_port *ap, pm_message_t state);
11ef697b	130	#else
d0df8b5d	131	static inline void ata_acpi_associate_sata_port(struct ata_port *ap) { }
fafbae87	132	static inline void ata_acpi_associate(struct ata_host *host) { }
562f0c2d	133	static inline void ata_acpi_dissociate(struct ata_host *host) { }
64578a3d	134	static inline int ata_acpi_on_suspend(struct ata_port *ap) { return 0; }
6746544c	135	static inline void ata_acpi_on_resume(struct ata_port *ap) { }
562f0c2d TH	136	static inline int ata_acpi_on_devcfg(struct ata_device *dev) { return 0; }
562f0c2d TH	137	static inline void ata_acpi_on_disable(struct ata_device *dev) { }
bd3adca5 SL	138	static inline void ata_acpi_set_state(struct ata_port *ap,
bd3adca5 SL	139	pm_message_t state) { }
11ef697b	140	#endif
1da177e4 LT	141
1da177e4 LT	142	/* libata-scsi.c */
f3187195 TH	143	extern int ata_scsi_add_hosts(struct ata_host *host,
f3187195 TH	144	struct scsi_host_template *sht);
1ae46317	145	extern void ata_scsi_scan_host(struct ata_port *ap, int sync);
0ea035a3	146	extern int ata_scsi_offline_dev(struct ata_device *dev);
7d77b247	147	extern void ata_scsi_media_change_notify(struct ata_device *dev);
65f27f38	148	extern void ata_scsi_hotplug(struct work_struct *work);
1da177e4 LT	149	extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args args, u8 rbuf,
	150	unsigned int buflen);
	151
	152	extern unsigned int ata_scsiop_inq_00(struct ata_scsi_args args, u8 rbuf,
	153	unsigned int buflen);
	154
	155	extern unsigned int ata_scsiop_inq_80(struct ata_scsi_args args, u8 rbuf,
	156	unsigned int buflen);
	157	extern unsigned int ata_scsiop_inq_83(struct ata_scsi_args args, u8 rbuf,
	158	unsigned int buflen);
	159	extern unsigned int ata_scsiop_noop(struct ata_scsi_args args, u8 rbuf,
	160	unsigned int buflen);
	161	extern unsigned int ata_scsiop_sync_cache(struct ata_scsi_args args, u8 rbuf,
	162	unsigned int buflen);
	163	extern unsigned int ata_scsiop_mode_sense(struct ata_scsi_args args, u8 rbuf,
	164	unsigned int buflen);
	165	extern unsigned int ata_scsiop_read_cap(struct ata_scsi_args args, u8 rbuf,
	166	unsigned int buflen);
	167	extern unsigned int ata_scsiop_report_luns(struct ata_scsi_args args, u8 rbuf,
	168	unsigned int buflen);
	169	extern void ata_scsi_badcmd(struct scsi_cmnd *cmd,
	170	void (done)(struct scsi_cmnd ),
	171	u8 asc, u8 ascq);
845c5834 DG	172	extern void ata_scsi_set_sense(struct scsi_cmnd *cmd,
845c5834 DG	173	u8 sk, u8 asc, u8 ascq);
8a60a071	174	extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
1da177e4 LT	175	unsigned int (actor) (struct ata_scsi_args args,
1da177e4 LT	176	u8 *rbuf, unsigned int buflen));
7b70fc03	177	extern void ata_schedule_scsi_eh(struct Scsi_Host *shost);
65f27f38	178	extern void ata_scsi_dev_rescan(struct work_struct *work);
80289167	179	extern int ata_bus_probe(struct ata_port *ap);
1da177e4	180
ece1d636 TH	181	/* libata-eh.c */
ece1d636 TH	182	extern enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);
381544bb	183	extern void ata_scsi_error(struct Scsi_Host *host);
c6cf9e99	184	extern void ata_port_wait_eh(struct ata_port *ap);
5ddf24c5	185	extern void ata_eh_fastdrain_timerfn(unsigned long arg);
f686bcb8	186	extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
fb7fd614 TH	187	extern void ata_eh_detach_dev(struct ata_device *dev);
	188	extern void ata_eh_about_to_do(struct ata_link link, struct ata_device dev,
	189	unsigned int action);
	190	extern void ata_eh_done(struct ata_link link, struct ata_device dev,
	191	unsigned int action);
	192	extern void ata_eh_autopsy(struct ata_port *ap);
	193	extern void ata_eh_report(struct ata_port *ap);
	194	extern int ata_eh_reset(struct ata_link *link, int classify,
	195	ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
	196	ata_reset_fn_t hardreset, ata_postreset_fn_t postreset);
6f1d1e3a	197	extern int ata_set_mode(struct ata_link link, struct ata_device *r_failed_dev);
fb7fd614 TH	198	extern int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
	199	ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
	200	ata_postreset_fn_t postreset,
	201	struct ata_link **r_failed_disk);
	202	extern void ata_eh_finish(struct ata_port *ap);
ece1d636	203
48515f6c	204	/* libata-pmp.c */
88fcd562	205	#ifdef CONFIG_SATA_PMP
48515f6c TH	206	extern int sata_pmp_scr_read(struct ata_link link, int reg, u32 val);
	207	extern int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val);
	208	extern int sata_pmp_attach(struct ata_device *dev);
88fcd562 TH	209	#else /* CONFIG_SATA_PMP */
	210	static inline int sata_pmp_scr_read(struct ata_link link, int reg, u32 val)
	211	{
	212	return -EINVAL;
	213	}
	214
	215	static inline int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val)
	216	{
	217	return -EINVAL;
	218	}
	219
	220	static inline int sata_pmp_attach(struct ata_device *dev)
	221	{
	222	return -EINVAL;
	223	}
	224	#endif /* CONFIG_SATA_PMP */
48515f6c	225
90088bb4	226	/* libata-sff.c */
127102ae	227	#ifdef CONFIG_ATA_SFF
624d5c51 TH	228	extern void ata_dev_select(struct ata_port *ap, unsigned int device,
624d5c51 TH	229	unsigned int wait, unsigned int can_sleep);
90088bb4	230	extern u8 ata_irq_on(struct ata_port *ap);
624d5c51	231	extern void ata_pio_task(struct work_struct *work);
127102ae	232	#endif /* CONFIG_ATA_SFF */
77a527ea	233
1da177e4	234	#endif /* __LIBATA_H__ */