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/**
* IBM IPR adapter initialization utility
*
* (C) Copyright 2004, 2008
* 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/iprinit.c,v 1.22 2008/11/20 01:20:20 wboyer 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 = "iprinit";
static int init_all()
{
struct ipr_ioa *ioa;
int rc = tool_init(1);
if (rc && rc != -ENXIO) {
if (daemonize)
syslog(LOG_ERR, "Run iprinit manually to ensure all ipr RAID adapters are running optimally.\n");
else
syslog(LOG_ERR, "Error initializing adapters. Perhaps run with sudo?\n");
}
check_current_config(false);
for_each_ioa(ioa) {
if (!strlen(ioa->ioa.gen_name))
rc |= -EAGAIN;
ipr_init_ioa(ioa);
}
return rc;
}
static void kevent_handler(char *buf)
{
polling_mode = 0;
if (!strncmp(buf, "change@/class/scsi_host", 23) ||
(!strncmp(buf, "change@/devices/pci", 19) && strstr(buf, "scsi_host")))
scsi_host_kevent(buf, ipr_init_ioa);
else if (!strncmp(buf, "add@/class/scsi_generic", 23) ||
(!strncmp(buf, "add@/devices/pci", 16) && strstr(buf, "scsi_generic")))
scsi_dev_kevent(buf, find_gen_dev, ipr_init_dev);
else if (!strncmp(buf, "add@/block/sd", 13))
scsi_dev_kevent(buf, find_blk_dev, ipr_init_dev);
}
static void poll_ioas()
{
polling_mode = 1;
init_all();
}
int main(int argc, char *argv[])
{
int i, rc, delay_secs, wait;
ipr_sg_required = 1;
openlog("iprinit", LOG_PERROR | LOG_PID | LOG_CONS, LOG_USER);
for (i = 1; i < argc; i++) {
if (parse_option(argv[i]))
continue;
else {
printf("Usage: iprinit [options]\n");
printf(" Options: --version [--daemon] Print iprinit version\n");
return -EINVAL;
}
}
rc = check_sg_module();
if (daemonize) {
ipr_daemonize();
if (!rc)
rc = init_all();
if (rc) {
syslog(LOG_INFO, "Waiting for ipr adapters and sg module to come ready.\n");
delay_secs = 2;
sleep(delay_secs);
for (wait = 0; rc && wait < 300; wait += delay_secs) {
rc = check_sg_module();
sleep(delay_secs);
if (!rc)
rc = init_all();
}
if (rc)
syslog(LOG_ERR, "Timeout reached. Ensure the sg module is loaded, then "
"run iprinit manually to ensure all "
"ipr RAID adapters are running optimally\n");
}
return handle_events(poll_ioas, 60, kevent_handler);
} else if (!rc)
rc = init_all();
if (rc)
syslog(LOG_ERR, "iprinit failed. Ensure the sg module is loaded, then "
"run iprinit again to ensure all "
"ipr RAID adapters are running optimally\n");
return rc;
}
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