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/**
* IBM IPR adapter initialization utility
*
* (C) Copyright 2005
* International Business Machines Corporation and others.
* All Rights Reserved. This program and the accompanying
* materials are made available under the terms of the
* Common Public License v1.0 which accompanies this distribution.
*
*/
/*
* $Header: /cvsroot/iprdd/iprutils/debug/iprluns.c,v 1.1 2005/12/16 17:04:41 brking Exp $
*/
#include <unistd.h>
#include <sys/ioctl.h>
#include <scsi/sg.h>
#include <scsi/scsi.h>
#include <sys/stat.h>
#ifndef iprlib_h
#include "iprlib.h"
#endif
#include <sys/mman.h>
char *tool_name = "iprluns";
static int ipr_report_luns(struct ipr_dev *dev)
{
u8 cdb[IPR_CCB_CDB_LEN];
int fd, rc, i, len;
char buf[100];
char *name = dev->gen_name;
struct sense_data_t sense_data;
if (strlen(dev->dev_name))
name = dev->dev_name;
fd = open(name, O_RDWR);
if (fd <= 1) {
if (!strcmp(tool_name, "iprconfig") || ipr_debug)
syslog(LOG_ERR, "Could not open %s. %m\n", name);
return errno;
}
memset(cdb, 0, IPR_CCB_CDB_LEN);
cdb[0] = REPORT_LUNS;
cdb[9] = 100;
rc = sg_ioctl(fd, cdb, buf,
100, SG_DXFER_FROM_DEV,
&sense_data, IPR_INTERNAL_DEV_TIMEOUT);
close(fd);
if (rc)
scsi_err(dev, "Report LUNS failed. %m\n");
len = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
syslog(LOG_ERR, "Total report luns len: %d\n", len);
return rc;
}
int main(int argc, char *argv[])
{
struct ipr_dev *dev;
tool_init(1);
check_current_config(false);
dev = find_blk_dev(argv[1]);
if (!dev)
dev = find_gen_dev(argv[1]);
if (!dev) {
fprintf(stderr, "Cannot find device: %s\n", argv[1]);
return -EINVAL;
}
return ipr_report_luns(dev);
}
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