43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/*
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* Copyright (C) 2007-2008 Intel Corporation
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*
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* Retrieve drive serial numbers for scsi disks
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <string.h>
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#include <scsi/scsi.h>
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#include <scsi/sg.h>
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#include <sys/ioctl.h>
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int scsi_get_serial(int fd, void *buf, size_t buf_len)
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{
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unsigned char inq_cmd[] = {INQUIRY, 1, 0x80, 0, buf_len, 0};
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unsigned char sense[32];
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struct sg_io_hdr io_hdr;
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memset(&io_hdr, 0, sizeof(io_hdr));
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io_hdr.interface_id = 'S';
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io_hdr.cmdp = inq_cmd;
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io_hdr.cmd_len = sizeof(inq_cmd);
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io_hdr.dxferp = buf;
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io_hdr.dxfer_len = buf_len;
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io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
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io_hdr.sbp = sense;
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io_hdr.mx_sb_len = sizeof(sense);
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io_hdr.timeout = 5000;
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return ioctl(fd, SG_IO, &io_hdr);
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}
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