mirror of https://gitee.com/openkylin/linux.git
118 lines
4.8 KiB
C
118 lines
4.8 KiB
C
/*
|
|
* 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 "2.00" /* must be exactly four chars */
|
|
|
|
struct ata_scsi_args {
|
|
struct ata_device *dev;
|
|
u16 *id;
|
|
struct scsi_cmnd *cmd;
|
|
void (*done)(struct scsi_cmnd *);
|
|
};
|
|
|
|
/* libata-core.c */
|
|
extern struct workqueue_struct *ata_aux_wq;
|
|
extern int atapi_enabled;
|
|
extern int atapi_dmadir;
|
|
extern int libata_fua;
|
|
extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev);
|
|
extern int ata_rwcmd_protocol(struct ata_queued_cmd *qc);
|
|
extern void ata_dev_disable(struct ata_device *dev);
|
|
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);
|
|
extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd);
|
|
extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
|
|
int post_reset, u16 *id);
|
|
extern int ata_dev_configure(struct ata_device *dev, int print_info);
|
|
extern int sata_down_spd_limit(struct ata_port *ap);
|
|
extern int sata_set_spd_needed(struct ata_port *ap);
|
|
extern int ata_down_xfermask_limit(struct ata_device *dev, int force_pio0);
|
|
extern int ata_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev);
|
|
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 ata_dev_select(struct ata_port *ap, unsigned int device,
|
|
unsigned int wait, unsigned int can_sleep);
|
|
extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
|
|
extern int ata_flush_cache(struct ata_device *dev);
|
|
extern void ata_dev_init(struct ata_device *dev);
|
|
extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
|
|
extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
|
|
|
|
|
|
/* libata-scsi.c */
|
|
extern struct scsi_transport_template ata_scsi_transport_template;
|
|
|
|
extern void ata_scsi_scan_host(struct ata_port *ap);
|
|
extern int ata_scsi_offline_dev(struct ata_device *dev);
|
|
extern void ata_scsi_hotplug(void *data);
|
|
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(void *data);
|
|
|
|
/* 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_qc_schedule_eh(struct ata_queued_cmd *qc);
|
|
|
|
#endif /* __LIBATA_H__ */
|