mirror of https://gitee.com/openkylin/linux.git
90 lines
3.5 KiB
C
90 lines
3.5 KiB
C
/*
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libata.h - helper library for ATA
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Copyright 2003-2004 Red Hat, Inc. All rights reserved.
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Copyright 2003-2004 Jeff Garzik
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The contents of this file are subject to the Open
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Software License version 1.1 that can be found at
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http://www.opensource.org/licenses/osl-1.1.txt and is included herein
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by reference.
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Alternatively, the contents of this file may be used under the terms
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of the GNU General Public License version 2 (the "GPL") as distributed
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in the kernel source COPYING file, in which case the provisions of
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the GPL are applicable instead of the above. If you wish to allow
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the use of your version of this file only under the terms of the
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GPL and not to allow others to use your version of this file under
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the OSL, indicate your decision by deleting the provisions above and
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replace them with the notice and other provisions required by the GPL.
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If you do not delete the provisions above, a recipient may use your
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version of this file under either the OSL or the GPL.
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*/
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#ifndef __LIBATA_H__
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#define __LIBATA_H__
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#define DRV_NAME "libata"
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#define DRV_VERSION "1.10" /* must be exactly four chars */
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struct ata_scsi_args {
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u16 *id;
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struct scsi_cmnd *cmd;
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void (*done)(struct scsi_cmnd *);
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};
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/* libata-core.c */
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extern struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
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struct ata_device *dev);
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extern void ata_qc_free(struct ata_queued_cmd *qc);
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extern int ata_qc_issue(struct ata_queued_cmd *qc);
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extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);
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extern void ata_dev_select(struct ata_port *ap, unsigned int device,
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unsigned int wait, unsigned int can_sleep);
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extern void ata_tf_to_host_nolock(struct ata_port *ap, struct ata_taskfile *tf);
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extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
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/* libata-scsi.c */
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extern void ata_to_sense_error(struct ata_queued_cmd *qc, u8 drv_stat);
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extern int ata_scsi_error(struct Scsi_Host *host);
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extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
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unsigned int buflen);
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extern unsigned int ata_scsiop_inq_00(struct ata_scsi_args *args, u8 *rbuf,
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unsigned int buflen);
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extern unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf,
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unsigned int buflen);
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extern unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf,
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unsigned int buflen);
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extern unsigned int ata_scsiop_noop(struct ata_scsi_args *args, u8 *rbuf,
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unsigned int buflen);
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extern unsigned int ata_scsiop_sync_cache(struct ata_scsi_args *args, u8 *rbuf,
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unsigned int buflen);
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extern unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf,
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unsigned int buflen);
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extern unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
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unsigned int buflen);
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extern unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf,
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unsigned int buflen);
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extern void ata_scsi_badcmd(struct scsi_cmnd *cmd,
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void (*done)(struct scsi_cmnd *),
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u8 asc, u8 ascq);
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extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
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unsigned int (*actor) (struct ata_scsi_args *args,
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u8 *rbuf, unsigned int buflen));
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static inline void ata_bad_scsiop(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
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{
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ata_scsi_badcmd(cmd, done, 0x20, 0x00);
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}
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static inline void ata_bad_cdb(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
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{
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ata_scsi_badcmd(cmd, done, 0x24, 0x00);
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}
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#endif /* __LIBATA_H__ */
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