Adding upstream version 6.1.22-dfsg.upstream/6.1.22-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 185 insertions, 0 deletions

diff --git a/include/iprt/cdrom.h b/include/iprt/cdrom.h
new file mode 100644
index 00000000..d27bda86
--- /dev/null
+++ b/include/iprt/cdrom.h
@@ -0,0 +1,185 @@
+/** @file
+ * IPRT CD/DVD/BD-ROM Drive API.
+ */
+
+/*
+ * Copyright (C) 2012-2020 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+#ifndef IPRT_INCLUDED_cdrom_h
+#define IPRT_INCLUDED_cdrom_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/types.h>
+
+RT_C_DECLS_BEGIN
+
+/** @defgroup grp_rt_cdrom  IPRT CD/DVD/BD-ROM Drive API
+ * @ingroup grp_rt
+ *
+ * The user of the API is currently resposible for serializing calls to it.
+ *
+ * @{
+ */
+
+/** CD-ROM drive handle. */
+typedef struct RTCDROMINT  *RTCDROM;
+/** Pointer to a CD-ROM handle. */
+typedef RTCDROM            *PRTCDROM;
+/** NIL CD-ROM handle value. */
+#define NIL_RTCDROM         ((RTCDROM)0)
+
+
+/** @name CD-ROM open flags.
+ * @{ */
+#define RTCDROM_O_READ              RT_BIT(0)
+#define RTCDROM_O_WRITE             RT_BIT(1)
+#define RTCDROM_O_CONTROL           RT_BIT(2)
+#define RTCDROM_O_QUERY             RT_BIT(3)
+#define RTCDROM_O_ALL_ACCESS        (RTCDROM_O_READ | RTCDROM_O_WRITE | RTCDROM_O_CONTROL | RTCDROM_O_QUERY)
+/** @}  */
+
+/**
+ * Opens the CD-ROM drive (by name).
+ *
+ * @returns IPRT status code.
+ * @param   pszName             The CD-ROM name (path).
+ * @param   fFlags              Open flags, see RTCDROM_O_XXX.
+ * @param   phCdrom             Where to return the CDROM handle.
+ */
+RTDECL(int)         RTCdromOpen(const char *pszName, uint32_t fFlags, PRTCDROM phCdrom);
+
+/**
+ * Retains a reference to the CD-ROM handle.
+ *
+ * @returns New reference count, UINT32_MAX on invalid handle (asserted).
+ * @param   hCdrom              The CD-ROM handle to retain.
+ */
+RTDECL(uint32_t)    RTCdromRetain(RTCDROM hCdrom);
+
+/**
+ * Releases a reference to the CD-ROM handle.
+ *
+ * When the reference count reaches zero, the CD-ROM handle is destroy.
+ *
+ * @returns New reference count, UINT32_MAX on invalid handle (asserted).
+ * @param   hCdrom              The CD-ROM handle to retain.
+ */
+RTDECL(uint32_t)    RTCdromRelease(RTCDROM hCdrom);
+
+/**
+ * Query the primary mount point of the CD-ROM.
+ *
+ * @returns IPRT status code.
+ * @retval  VERR_BUFFER_OVERFLOW if the buffer is too small.  The buffer will be
+ *          set to an empty string if possible.
+ *
+ * @param   hCdrom              The CD-ROM handle.
+ * @param   pszMountPoint       Where to return the mount point.
+ * @param   cbMountPoint        The size of the mount point buffer.
+ */
+RTDECL(int)         RTCdromQueryMountPoint(RTCDROM hCdrom, char *pszMountPoint, size_t cbMountPoint);
+
+/**
+ * Unmounts all file-system mounts related to the CD-ROM.
+ *
+ * @returns IPRT status code.
+ * @param   hCdrom              The CD-ROM handle.
+ */
+RTDECL(int)         RTCdromUnmount(RTCDROM hCdrom);
+
+/**
+ * Ejects the CD-ROM from the drive.
+ *
+ * @returns IPRT status code.
+ * @param   hCdrom              The CD-ROM handle.
+ * @param   fForce              If set, unmount and unlock will be performed.
+ */
+RTDECL(int)         RTCdromEject(RTCDROM hCdrom, bool fForce);
+
+/**
+ * Locks the CD-ROM so it cannot be ejected by the user or system.
+ *
+ * @returns IPRT status code.
+ * @param   hCdrom              The CD-ROM handle.
+ */
+RTDECL(int)         RTCdromLock(RTCDROM hCdrom);
+
+/**
+ * Unlocks the CD-ROM so it can be ejected by the user or system.
+ *
+ * @returns IPRT status code.
+ * @param   hCdrom              The CD-ROM handle.
+ */
+RTDECL(int)         RTCdromUnlock(RTCDROM hCdrom);
+
+
+/** @name Ordinal / Enumeration
+ * @{ */
+/**
+ * Get the current number of CD-ROMs.
+ *
+ * This is handy for using RTCdromOpenByOrdinal() or RTCdromOrdinalToName() to
+ * perform some kind of enumeration of all drives.
+ *
+ * @returns Number of CD-ROM drivers in the system.
+ */
+RTDECL(unsigned)    RTCdromCount(void);
+
+/**
+ * Translates an CD-ROM drive ordinal number to a path suitable for RTCdromOpen.
+ *
+ * @returns IRPT status code.
+ * @retval  VINF_SUCCESS on success, with the name in the buffer.
+ * @retval  VERR_BUFFER_OVERFLOW if the buffer is too small.  The buffer will be
+ *          set to an empty string if possible, in order to prevent trouble.
+ * @retval  VERR_OUT_OF_RANGE if the ordinal number is higher than the current
+ *          number of CD-ROM drives.
+ *
+ * @param   iCdrom              The CD-ROM drive ordinal.  Starts at 0.
+ * @param   pszName             Where to return the name (path).
+ * @param   cbName              Size of the output buffer.
+ *
+ * @remarks The ordinals are volatile.  They may change as drives are attached
+ *          or detected from the host.
+ */
+RTDECL(int)         RTCdromOrdinalToName(unsigned iCdrom, char *pszName, size_t cbName);
+
+/**
+ * Combination of RTCdromOrdinalToName() and RTCdromOpen().
+ *
+ * @returns IPRT status code.
+ * @param   iCdrom              The CD-ROM number.
+ * @param   fFlags              Open flags, see RTCDROM_O_XXX.
+ * @param   phCdrom             Where to return the CDROM handle .
+ * @remarks See remarks on RTCdromOrdinalToName().
+ */
+RTDECL(int)         RTCdromOpenByOrdinal(unsigned iCdrom, uint32_t fFlags, PRTCDROM phCdrom);
+
+/** @} */
+
+/** @} */
+
+RT_C_DECLS_END
+
+#endif /* !IPRT_INCLUDED_cdrom_h */
+