[PATCH] Add multipath "extra" program from Christophe Varoqui, <christophe.varoqui@free.fr>

1 files changed, 111 insertions, 0 deletions

diff --git a/extras/multipath/main.h b/extras/multipath/main.h
new file mode 100644
index 0000000000..43a24ac7bc
--- /dev/null
+++ b/extras/multipath/main.h
@@ -0,0 +1,111 @@
+/*
+ * Soft:        Description here...
+ *
+ * Version:     $Id: main.h,v 0.0.1 2003/09/18 15:13:38 cvaroqui Exp $
+ *
+ * Author:      Copyright (C) 2003 Christophe Varoqui
+ *
+ *              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.
+ *
+ *              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 of the License, or (at your option) any later version.
+ */
+
+#ifndef _MAIN_H
+#define _MAIN_H
+
+/* local includes */
+#include "sg_include.h"
+#include "sg_err.h"
+
+/* global defs */
+#define WWID_SIZE	33
+#define MAX_DEVS	128
+#define MAX_MP		MAX_DEVS / 2
+#define MAX_MP_PATHS	MAX_DEVS / 4
+#define FILE_NAME_SIZE	256
+#define INQUIRY_CMDLEN	6
+#define INQUIRY_CMD	0x12
+#define SENSE_BUFF_LEN	32
+#define DEF_TIMEOUT	60000
+#define EBUFF_SZ	256
+#define TUR_CMD_LEN	6
+#define MX_ALLOC_LEN	255
+#define BLKGETSIZE      _IO(0x12,96)
+#define DM_TARGET	"striped"
+
+#define PINDEX(x,y)	mp[(x)].pindex[(y)]
+
+/* global types */
+struct scsi_idlun {
+	int dev_id;
+	int host_unique_id;
+	int host_no;
+};
+
+struct sg_id {
+	int host_no;
+	int channel;
+	int scsi_id;
+	int lun;
+	int scsi_type;
+	short h_cmd_per_lun;
+	short d_queue_depth;
+	int unused1;
+	int unused2;
+};
+
+struct scsi_dev {
+	char dev[FILE_NAME_SIZE];
+	struct scsi_idlun scsi_id;
+	int host_no;
+};
+
+struct path {
+	char dev[FILE_NAME_SIZE];
+	char sg_dev[FILE_NAME_SIZE];
+	struct scsi_idlun scsi_id;
+	struct sg_id sg_id;
+	int state;
+	char wwid[WWID_SIZE];
+	char vendor_id[8];
+	char product_id[16];
+	char rev[4];
+};
+
+struct multipath {
+	char wwid[WWID_SIZE];
+	int npaths;
+	int pindex[MAX_MP_PATHS];
+};
+
+struct env {
+	int max_devs;
+	int verbose;
+	int quiet;
+	int dry_run;
+	int with_sysfs;
+	char sysfs_path[FILE_NAME_SIZE];
+};
+
+/* Build version */
+#define PROG    "multipath"
+
+#define VERSION_CODE 0x000005
+#define DATE_CODE    0x120903
+
+#define MULTIPATH_VERSION(version)	\
+	(version >> 16) & 0xFF,		\
+	(version >> 8) & 0xFF,		\
+	version & 0xFF
+
+#define VERSION_STRING PROG" v%d.%d.%d (%.2d/%.2d, 20%.2d)\n",	\
+                MULTIPATH_VERSION(VERSION_CODE),		\
+                MULTIPATH_VERSION(DATE_CODE)
+
+#endif