VSCSISense.cpp revision 97fd7338a708a1cdb63fbdf823f6e508dc0d914d
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync/* $Id$ */
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync/** @file
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync * Virtual SCSI driver: Sense handling
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync */
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync/*
e64031e20c39650a7bc902a3e1aba613b9415deevboxsync * Copyright (C) 2006-2010 Oracle Corporation
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync *
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync * available from http://www.virtualbox.org. This file is free software;
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync * you can redistribute it and/or modify it under the terms of the GNU
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync * General Public License (GPL) as published by the Free Software
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync */
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync#define LOG_GROUP LOG_GROUP_VSCSI
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync#include <VBox/log.h>
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync#include <iprt/assert.h>
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync#include <iprt/string.h>
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync#include "VSCSIInternal.h"
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsyncvoid vscsiSenseInit(PVSCSISENSE pVScsiSense)
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync{
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync memset(pVScsiSense->abSenseBuf, 0, sizeof(pVScsiSense->abSenseBuf));
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync}
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsyncint vscsiReqSenseOkSet(PVSCSISENSE pVScsiSense, PVSCSIREQINT pVScsiReq)
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync{
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync memset(pVScsiSense->abSenseBuf, 0, sizeof(pVScsiSense->abSenseBuf));
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync pVScsiSense->abSenseBuf[0] = (1 << 7) | SCSI_SENSE_RESPONSE_CODE_CURR_FIXED; /* Fixed format */
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync pVScsiSense->abSenseBuf[2] = SCSI_SENSE_NONE;
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync pVScsiSense->abSenseBuf[7] = 10;
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync pVScsiSense->abSenseBuf[12] = SCSI_ASC_NONE;
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync pVScsiSense->abSenseBuf[13] = SCSI_ASC_NONE; /* Should be ASCQ but it has the same value for success. */
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync if (pVScsiReq->pbSense && pVScsiReq->cbSense)
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync memcpy(pVScsiReq->pbSense, pVScsiSense->abSenseBuf, RT_MIN(sizeof(pVScsiSense->abSenseBuf), pVScsiReq->cbSense));
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync return SCSI_STATUS_OK;
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync}
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsyncint vscsiReqSenseErrorSet(PVSCSISENSE pVScsiSense, PVSCSIREQINT pVScsiReq, uint8_t uSCSISenseKey, uint8_t uSCSIASC)
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync{
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync memset(pVScsiSense->abSenseBuf, 0, sizeof(pVScsiSense->abSenseBuf));
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync pVScsiSense->abSenseBuf[0] = (1 << 7) | SCSI_SENSE_RESPONSE_CODE_CURR_FIXED; /* Fixed format */
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync pVScsiSense->abSenseBuf[2] = uSCSISenseKey;
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync pVScsiSense->abSenseBuf[7] = 10;
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync pVScsiSense->abSenseBuf[12] = uSCSIASC;
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync pVScsiSense->abSenseBuf[13] = 0x00; /** @todo: Provide more info. */
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync if (pVScsiReq->pbSense && pVScsiReq->cbSense)
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync memcpy(pVScsiReq->pbSense, pVScsiSense->abSenseBuf, RT_MIN(sizeof(pVScsiSense->abSenseBuf), pVScsiReq->cbSense));
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync return SCSI_STATUS_CHECK_CONDITION;
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync}
a4ba1fc5788b1fb4c078587d5f55936e1b83098dvboxsync
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsyncint vscsiReqSenseCmd(PVSCSISENSE pVScsiSense, PVSCSIREQINT pVScsiReq)
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync{
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync /* Copy the current sense data to the buffer. */
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync vscsiCopyToIoMemCtx(&pVScsiReq->IoMemCtx, pVScsiSense->abSenseBuf, sizeof(pVScsiSense->abSenseBuf));
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync return vscsiReqSenseOkSet(pVScsiSense, pVScsiReq);
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync}
97fd7338a708a1cdb63fbdf823f6e508dc0d914dvboxsync