diff options
Diffstat (limited to 'utils/ipodpatcher/ipodio-win32-scsi.c')
| -rw-r--r-- | utils/ipodpatcher/ipodio-win32-scsi.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/utils/ipodpatcher/ipodio-win32-scsi.c b/utils/ipodpatcher/ipodio-win32-scsi.c new file mode 100644 index 0000000000..16460cfba3 --- /dev/null +++ b/utils/ipodpatcher/ipodio-win32-scsi.c @@ -0,0 +1,147 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2009 Dave Chapman + * + * 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 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + * + * Based on the getCapsUsingSCSIPassThrough() function from "cddrv.cpp": + * - http://www.farmanager.com/svn/trunk/unicode_far/cddrv.cpp + * + * Copyright (c) 1996 Eugene Roshal + * Copyright (c) 2000 Far Group + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the authors may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +#if defined(_WIN32) +#include <windows.h> +#include <stddef.h> +#include <stdio.h> + +#include "ipodio.h" + +/* from ddk/ntddscsi.h */ +#define SCSI_IOCTL_DATA_OUT 0 +#define SCSI_IOCTL_DATA_IN 1 +#define SCSI_IOCTL_DATA_UNSPECIFIED 2 + +#define IOCTL_SCSI_PASS_THROUGH \ + CTL_CODE(FILE_DEVICE_CONTROLLER, 0x0401, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS) + +typedef struct _SCSI_PASS_THROUGH { + USHORT Length; + UCHAR ScsiStatus; + UCHAR PathId; + UCHAR TargetId; + UCHAR Lun; + UCHAR CdbLength; + UCHAR SenseInfoLength; + UCHAR DataIn; + ULONG DataTransferLength; + ULONG TimeOutValue; + ULONG_PTR DataBufferOffset; + ULONG SenseInfoOffset; + UCHAR Cdb[16]; +} SCSI_PASS_THROUGH, *PSCSI_PASS_THROUGH; + +typedef struct _SCSI_PASS_THROUGH_WITH_BUFFERS { + SCSI_PASS_THROUGH Spt; + ULONG Filler; /* realign buffers to double word boundary */ + UCHAR SenseBuf[32]; + UCHAR DataBuf[512]; +} SCSI_PASS_THROUGH_WITH_BUFFERS, *PSCSI_PASS_THROUGH_WITH_BUFFERS; + +int ipod_scsi_inquiry(struct ipod_t* ipod, int page_code, + unsigned char* buf, int bufsize) +{ + SCSI_PASS_THROUGH_WITH_BUFFERS sptwb; + ULONG length; + DWORD returned; + BOOL status; + + if (bufsize > 255) { + fprintf(stderr,"[ERR] Invalid bufsize in ipod_scsi_inquiry\n"); + return -1; + } + + memset(&sptwb, 0, sizeof(sptwb)); + + sptwb.Spt.Length = sizeof(SCSI_PASS_THROUGH); + sptwb.Spt.PathId = 0; + sptwb.Spt.TargetId = 1; + sptwb.Spt.Lun = 0; + sptwb.Spt.CdbLength = 6; + sptwb.Spt.SenseInfoLength = 32; /* sbuf size */; + sptwb.Spt.DataIn = SCSI_IOCTL_DATA_IN; + sptwb.Spt.DataTransferLength = bufsize; + sptwb.Spt.TimeOutValue = 2; /* 2 seconds */ + sptwb.Spt.DataBufferOffset = offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS, DataBuf); + sptwb.Spt.SenseInfoOffset = offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS, SenseBuf); + length = offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS, DataBuf) + + sptwb.Spt.DataTransferLength; + + /* Set cdb info */ + sptwb.Spt.Cdb[0] = 0x12; /* SCSI Inquiry */ + sptwb.Spt.Cdb[1] = 1; + sptwb.Spt.Cdb[2] = page_code; + sptwb.Spt.Cdb[3] = 0; + sptwb.Spt.Cdb[4] = bufsize; + sptwb.Spt.Cdb[5] = 0; + + status = DeviceIoControl(ipod->dh, + IOCTL_SCSI_PASS_THROUGH, + &sptwb, + sizeof(SCSI_PASS_THROUGH), + &sptwb, + length, + &returned, + FALSE); + + if (status) { + /* W32 sometimes returns more bytes with additional garbage. + * Make sure to not copy that garbage. */ + memcpy(buf, sptwb.DataBuf, + (DWORD)bufsize >= returned ? returned : (DWORD)bufsize); + return 0; + } else { + return -1; + } +} +#endif + |