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/*
* 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"
/* exerpt from "sg_err.h" */
#define SCSI_CHECK_CONDITION 0x2
#define SCSI_COMMAND_TERMINATED 0x22
#define SG_ERR_DRIVER_SENSE 0x08
/* exerpt from "scsi.h" */
#define RECOVERED_ERROR 0x01
#define SCSI_IOCTL_GET_IDLUN 0x5382
#define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
/* 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 DM_TARGET "multipath"
#define DM_POLL_INTERVAL 10
#define DM_PATH_SELECTOR "latency"
*/
#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 0x000009
#define DATE_CODE 0x0C0503
#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
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