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/**
* IBM IPR adapter low level drive microcode update 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/iprwritebuffer.c,v 1.2 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 = "iprwritebuffer";
static int ipr_update_ucode(struct ipr_dev *dev, char *fname)
{
struct stat ucode_stats;
int fd, rc;
char *buffer;
fd = open(fname, O_RDONLY);
if (fd < 0) {
syslog_dbg("Could not open firmware file %s.\n", fname);
return fd;
}
rc = fstat(fd, &ucode_stats);
if (rc != 0) {
syslog(LOG_ERR, "Failed to stat firmware file: %s.\n", fname);
close(fd);
return rc;
}
buffer = mmap(NULL, ucode_stats.st_size,
PROT_READ, MAP_SHARED, fd, 0);
rc = ipr_write_buffer(dev, buffer, ucode_stats.st_size);
ipr_init_dev(dev);
close(fd);
return rc;
}
int main(int argc, char *argv[])
{
struct ipr_dev *dev;
if (argc != 3) {
fprintf(stderr, "Usage iprwritebuffer /dev/sgX ucode_image.bin\n");
return -EINVAL;
}
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_update_ucode(dev, argv[2]);
}
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