diff options
Diffstat (limited to 'examples/sg_simple1.c')
| -rw-r--r-- | examples/sg_simple1.c | 54 |
1 files changed, 29 insertions, 25 deletions
diff --git a/examples/sg_simple1.c b/examples/sg_simple1.c index d8352678..b8ef3491 100644 --- a/examples/sg_simple1.c +++ b/examples/sg_simple1.c @@ -1,3 +1,32 @@ +/* + * Copyright (C) 1999-2018 D. Gilbert + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * This is a simple program executing a SCSI INQUIRY command and a + * TEST UNIT READY command using the SCSI generic (sg) driver + * There is another variant of this program called "sg_simple2" + * which does not include the sg_lib.h header and logic and so has + * simpler but more primitive error processing. + * In the lk 2.6 series devices nodes such as /dev/sda also support + * the SG_IO ioctl. + * + * Invocation: sg_simple1 [-x] <scsi_device> + * + * Version 3.60 (20181207) + * + * 6 byte INQUIRY command: + * [0x12][ |lu][pg cde][res ][al len][cntrl ] + * + * 6 byte TEST UNIT READY command: + * [0x00][ |lu][res ][res ][res ][res ] + * + */ + #include <unistd.h> #include <fcntl.h> #include <stdio.h> @@ -10,31 +39,6 @@ #include "sg_lib.h" #include "sg_io_linux.h" -/* This is a simple program executing a SCSI INQUIRY command and a - TEST UNIT READY command using the SCSI generic (sg) driver - There is another variant of this program called "sg_simple2" - which does not include the sg_lib.h header and logic and so has - simpler but more primitive error processing. - In the lk 2.6 series devices nodes such as /dev/sda also support - the SG_IO ioctl. - -* Copyright (C) 1999-2007 D. Gilbert -* This program is free software; you can redistribute it and/or modify -* it under the terms of the GNU General Public License as published by -* the Free Software Foundation; either version 2, or (at your option) -* any later version. - - Invocation: sg_simple1 [-x] <scsi_device> - - Version 03.59 (20160528) - -6 byte INQUIRY command: -[0x12][ |lu][pg cde][res ][al len][cntrl ] - -6 byte TEST UNIT READY command: -[0x00][ |lu][res ][res ][res ][res ] - -*/ #define INQ_REPLY_LEN 96 #define INQ_CMD_LEN 6 |