diff options
Diffstat (limited to 'drivers/scsi/libata.h')
| -rw-r--r-- | drivers/scsi/libata.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h new file mode 100644 index 000000000000..6518226b8f87 --- /dev/null +++ b/drivers/scsi/libata.h @@ -0,0 +1,89 @@ +/* + libata.h - helper library for ATA + + Copyright 2003-2004 Red Hat, Inc. All rights reserved. + Copyright 2003-2004 Jeff Garzik + + The contents of this file are subject to the Open + Software License version 1.1 that can be found at + http://www.opensource.org/licenses/osl-1.1.txt and is included herein + by reference. + + Alternatively, the contents of this file may be used under the terms + of the GNU General Public License version 2 (the "GPL") as distributed + in the kernel source COPYING file, in which case the provisions of + the GPL are applicable instead of the above. If you wish to allow + the use of your version of this file only under the terms of the + GPL and not to allow others to use your version of this file under + the OSL, indicate your decision by deleting the provisions above and + replace them with the notice and other provisions required by the GPL. + If you do not delete the provisions above, a recipient may use your + version of this file under either the OSL or the GPL. + + */ + +#ifndef __LIBATA_H__ +#define __LIBATA_H__ + +#define DRV_NAME "libata" +#define DRV_VERSION "1.10" /* must be exactly four chars */ + +struct ata_scsi_args { + u16 *id; + struct scsi_cmnd *cmd; + void (*done)(struct scsi_cmnd *); +}; + +/* libata-core.c */ +extern struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap, + struct ata_device *dev); +extern void ata_qc_free(struct ata_queued_cmd *qc); +extern int ata_qc_issue(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 ata_tf_to_host_nolock(struct ata_port *ap, struct ata_taskfile *tf); +extern void swap_buf_le16(u16 *buf, unsigned int buf_words); + + +/* libata-scsi.c */ +extern void ata_to_sense_error(struct ata_queued_cmd *qc, u8 drv_stat); +extern int ata_scsi_error(struct Scsi_Host *host); +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_rbuf_fill(struct ata_scsi_args *args, + unsigned int (*actor) (struct ata_scsi_args *args, + u8 *rbuf, unsigned int buflen)); + +static inline void ata_bad_scsiop(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) +{ + ata_scsi_badcmd(cmd, done, 0x20, 0x00); +} + +static inline void ata_bad_cdb(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) +{ + ata_scsi_badcmd(cmd, done, 0x24, 0x00); +} + +#endif /* __LIBATA_H__ */ |