diff options
Diffstat (limited to 'sg_io.c')
-rw-r--r-- | sg_io.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/sg_io.c b/sg_io.c deleted file mode 100644 index 7889a95e..00000000 --- a/sg_io.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - * Copyright (C) 2007-2008 Intel Corporation - * - * Retrieve drive serial numbers for scsi disks - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - */ -#include <string.h> -#include <scsi/scsi.h> -#include <scsi/sg.h> -#include <sys/ioctl.h> - -int scsi_get_serial(int fd, void *buf, size_t buf_len) -{ - unsigned char rsp_buf[255]; - unsigned char inq_cmd[] = {INQUIRY, 1, 0x80, 0, sizeof(rsp_buf), 0}; - unsigned char sense[32]; - struct sg_io_hdr io_hdr; - int rv; - unsigned int rsp_len; - - memset(&io_hdr, 0, sizeof(io_hdr)); - io_hdr.interface_id = 'S'; - io_hdr.cmdp = inq_cmd; - io_hdr.cmd_len = sizeof(inq_cmd); - io_hdr.dxferp = rsp_buf; - io_hdr.dxfer_len = sizeof(rsp_buf); - io_hdr.dxfer_direction = SG_DXFER_FROM_DEV; - io_hdr.sbp = sense; - io_hdr.mx_sb_len = sizeof(sense); - io_hdr.timeout = 5000; - - rv = ioctl(fd, SG_IO, &io_hdr); - - if (rv) - return rv; - - if ((io_hdr.info & SG_INFO_OK_MASK) != SG_INFO_OK) - return -1; - - rsp_len = rsp_buf[3]; - - if (!rsp_len || buf_len < rsp_len) - return -1; - - memcpy(buf, &rsp_buf[4], rsp_len); - - return 0; -} |