81 lines
1.6 KiB
C
81 lines
1.6 KiB
C
/**
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* IBM IPR adapter low level drive microcode update utility
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*
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* (C) Copyright 2005
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* International Business Machines Corporation and others.
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* All Rights Reserved. This program and the accompanying
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* materials are made available under the terms of the
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* Common Public License v1.0 which accompanies this distribution.
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*
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*/
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/*
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* $Header: /cvsroot/iprdd/iprutils/debug/iprwritebuffer.c,v 1.2 2005/12/16 17:04:41 brking Exp $
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*/
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <scsi/sg.h>
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#include <scsi/scsi.h>
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#include <sys/stat.h>
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#ifndef iprlib_h
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#include "iprlib.h"
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#endif
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#include <sys/mman.h>
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char *tool_name = "iprwritebuffer";
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static int ipr_update_ucode(struct ipr_dev *dev, char *fname)
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{
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struct stat ucode_stats;
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int fd, rc;
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char *buffer;
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fd = open(fname, O_RDONLY);
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if (fd < 0) {
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syslog_dbg("Could not open firmware file %s.\n", fname);
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return fd;
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}
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rc = fstat(fd, &ucode_stats);
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if (rc != 0) {
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syslog(LOG_ERR, "Failed to stat firmware file: %s.\n", fname);
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close(fd);
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return rc;
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}
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buffer = mmap(NULL, ucode_stats.st_size,
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PROT_READ, MAP_SHARED, fd, 0);
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rc = ipr_write_buffer(dev, buffer, ucode_stats.st_size);
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ipr_init_dev(dev);
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close(fd);
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return rc;
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}
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int main(int argc, char *argv[])
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{
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struct ipr_dev *dev;
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if (argc != 3) {
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fprintf(stderr, "Usage iprwritebuffer /dev/sgX ucode_image.bin\n");
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return -EINVAL;
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}
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tool_init(1);
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check_current_config(false);
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dev = find_blk_dev(argv[1]);
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if (!dev)
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dev = find_gen_dev(argv[1]);
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if (!dev) {
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fprintf(stderr, "Cannot find device: %s\n", argv[1]);
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return -EINVAL;
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}
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return ipr_update_ucode(dev, argv[2]);
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}
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