patch-2.4.27 linux-2.4.27/drivers/scsi/libata.h

• Lines: 89
• Date: 2004-08-07 16:26:05.512382033 -0700
• Orig file: linux-2.4.26/drivers/scsi/libata.h
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.26/drivers/scsi/libata.h linux-2.4.27/drivers/scsi/libata.h
@@ -0,0 +1,88 @@
+/*
+   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	"1.02"	/* must be exactly four chars */
+
+struct ata_scsi_args {
+	struct ata_port		*ap;
+	struct ata_device	*dev;
+	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 int ata_qc_issue(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);
+
+
+/* libata-scsi.c */
+extern void ata_to_sense_error(struct ata_queued_cmd *qc);
+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__ */