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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 14:19:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 14:19:18 +0000
commit4035b1bfb1e5843a539a8b624d21952b756974d1 (patch)
treef1e9cd5bf548cbc57ff2fddfb2b4aa9ae95587e2 /include/VBox/vmm/pdmnvram.h
parentInitial commit. (diff)
downloadvirtualbox-4035b1bfb1e5843a539a8b624d21952b756974d1.tar.xz
virtualbox-4035b1bfb1e5843a539a8b624d21952b756974d1.zip
Adding upstream version 6.1.22-dfsg.upstream/6.1.22-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/VBox/vmm/pdmnvram.h')
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diff --git a/include/VBox/vmm/pdmnvram.h b/include/VBox/vmm/pdmnvram.h
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+/** @file
+ * PDM - Pluggable Device Manager, EFI NVRAM storage back-end.
+ */
+
+/*
+ * 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 VBOX_INCLUDED_vmm_pdmnvram_h
+#define VBOX_INCLUDED_vmm_pdmnvram_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <VBox/types.h>
+
+
+RT_C_DECLS_BEGIN
+
+/** @defgroup grp_pdm_ifs_nvram NVRAM Interface
+ * @ingroup grp_pdm_interfaces
+ * @{
+ */
+
+/** Pointer to NVRAM interface provided by the driver. */
+typedef struct PDMINVRAMCONNECTOR *PPDMINVRAMCONNECTOR;
+
+/**
+ * Non-volatile RAM storage interface provided by the driver (up).
+ *
+ * @note The variable indexes used here 0-based, sequential and without gaps.
+ */
+typedef struct PDMINVRAMCONNECTOR
+{
+ /**
+ * Query a variable by variable index.
+ *
+ * @returns VBox status code.
+ * @retval VERR_NOT_FOUND if the variable was not found. This indicates that
+ * there are not variables with a higher index.
+ *
+ * @param pInterface Pointer to this interface structure.
+ * @param idxVariable The variable index. By starting @a idxVariable at 0
+ * and increasing it with each call, this can be used
+ * to enumerate all available variables.
+ * @param pVendorUuid The vendor UUID of the variable.
+ * @param pszName The variable name buffer.
+ * @param pcchName On input this hold the name buffer size (including
+ * the space for the terminator char). On successful
+ * return it holds the strlen() value for @a pszName.
+ * @param pfAttributes Where to return the value attributes.
+ * @param pbValue The value buffer.
+ * @param pcbValue On input the size of the value buffer, on output the
+ * actual number of bytes returned.
+ */
+ DECLR3CALLBACKMEMBER(int, pfnVarQueryByIndex,(PPDMINVRAMCONNECTOR pInterface, uint32_t idxVariable,
+ PRTUUID pVendorUuid, char *pszName, uint32_t *pcchName,
+ uint32_t *pfAttributes, uint8_t *pbValue, uint32_t *pcbValue));
+
+ /**
+ * Begins variable store sequence.
+ *
+ * @returns VBox status code.
+ * @param pInterface Pointer to this interface structure.
+ * @param cVariables The number of variables.
+ */
+ DECLR3CALLBACKMEMBER(int, pfnVarStoreSeqBegin,(PPDMINVRAMCONNECTOR pInterface, uint32_t cVariables));
+
+ /**
+ * Puts the next variable in the store sequence.
+ *
+ * @returns VBox status code.
+ * @param pInterface Pointer to this interface structure.
+ * @param idxVariable The variable index. This will start at 0 and advance
+ * up to @a cVariables - 1.
+ * @param pVendorUuid The vendor UUID of the variable.
+ * @param pszName The variable name buffer.
+ * @param cchName On input this hold the name buffer size (including
+ * the space for the terminator char). On successful
+ * return it holds the strlen() value for @a pszName.
+ * @param fAttributes The value attributes.
+ * @param pbValue The value buffer.
+ * @param cbValue On input the size of the value buffer, on output the
+ * actual number of bytes returned.
+ */
+ DECLR3CALLBACKMEMBER(int, pfnVarStoreSeqPut,(PPDMINVRAMCONNECTOR pInterface, int idxVariable,
+ PCRTUUID pVendorUuid, const char *pszName, size_t cchName,
+ uint32_t fAttributes, uint8_t const *pbValue, size_t cbValue));
+
+ /**
+ * Ends a variable store sequence.
+ *
+ * @returns VBox status code, @a rc on success.
+ * @param pInterface Pointer to this interface structure.
+ * @param rc The VBox status code for the whole store operation.
+ */
+ DECLR3CALLBACKMEMBER(int, pfnVarStoreSeqEnd,(PPDMINVRAMCONNECTOR pInterface, int rc));
+
+} PDMINVRAMCONNECTOR;
+/** PDMINVRAMCONNECTOR interface ID. */
+#define PDMINVRAMCONNECTOR_IID "057bc5c9-8022-43a8-9a41-0b106f97a89f"
+
+/** @} */
+
+RT_C_DECLS_END
+
+#endif /* !VBOX_INCLUDED_vmm_pdmnvram_h */
+