Changeset 50420 in vbox

Timestamp:

Feb 12, 2014 9:21:40 AM (11 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

92205

Message:

include/VBox/HGSMI: HGSMIDefs.h.

Location:

trunk/include/VBox/HGSMI

Files:

• HGSMI.h (modified) (3 diffs)
• HGSMIDefs.h (added)

trunk/include/VBox/HGSMI/HGSMI.h

@@ -6 +6 @@
 
 /*
- * Copyright (C) 2006-2012 Oracle Corporation
+ * Copyright (C) 2006-2014 Oracle Corporation
  *
  * This file is part of VirtualBox Open Source Edition (OSE), as
@@ -33 +33 @@
 #include <iprt/types.h>
 
+#include <VBox/HGSMI/HGSMIDefs.h>
 #include <VBox/HGSMI/HGSMIChannels.h>
-
-/* HGSMI uses 32 bit offsets and sizes. */
-typedef uint32_t HGSMISIZE;
-typedef uint32_t HGSMIOFFSET;
-
-#define HGSMIOFFSET_VOID ((HGSMIOFFSET)~0)
 
 /*
@@ -75 +70 @@
  *     * the channel information.
  */
-
-
-/* Describes a shared memory area buffer.
- * Used for calculations with offsets and for buffers verification.
- */
-typedef struct _HGSMIAREA
-{
-    uint8_t     *pu8Base; /* The starting address of the area. Corresponds to offset 'offBase'. */
-    HGSMIOFFSET  offBase; /* The starting offset of the area. */
-    HGSMIOFFSET  offLast; /* The last valid offset:
-                           * offBase + cbArea - 1 - (sizeof (header) + sizeof (tail)).
-                           */
-    HGSMISIZE    cbArea;  /* Size of the area. */
-} HGSMIAREA;
-
-
-/* The buffer description flags. */
-#define HGSMI_BUFFER_HEADER_F_SEQ_MASK     0x03 /* Buffer sequence type mask. */
-#define HGSMI_BUFFER_HEADER_F_SEQ_SINGLE   0x00 /* Single buffer, not a part of a sequence. */
-#define HGSMI_BUFFER_HEADER_F_SEQ_START    0x01 /* The first buffer in a sequence. */
-#define HGSMI_BUFFER_HEADER_F_SEQ_CONTINUE 0x02 /* A middle buffer in a sequence. */
-#define HGSMI_BUFFER_HEADER_F_SEQ_END      0x03 /* The last buffer in a sequence. */
-
-
-#pragma pack(1)
-/* 16 bytes buffer header. */
-typedef struct _HGSMIBUFFERHEADER
-{
-    uint32_t    u32DataSize;            /* Size of data that follows the header. */
-
-    uint8_t     u8Flags;                /* The buffer description: HGSMI_BUFFER_HEADER_F_* */
-
-    uint8_t     u8Channel;              /* The channel the data must be routed to. */
-    uint16_t    u16ChannelInfo;         /* Opaque to the HGSMI, used by the channel. */
-
-    union {
-        uint8_t au8Union[8];            /* Opaque placeholder to make the union 8 bytes. */
-
-        struct
-        {                               /* HGSMI_BUFFER_HEADER_F_SEQ_SINGLE */
-            uint32_t u32Reserved1;      /* A reserved field, initialize to 0. */
-            uint32_t u32Reserved2;      /* A reserved field, initialize to 0. */
-        } Buffer;
-
-        struct
-        {                               /* HGSMI_BUFFER_HEADER_F_SEQ_START */
-            uint32_t u32SequenceNumber; /* The sequence number, the same for all buffers in the sequence. */
-            uint32_t u32SequenceSize;   /* The total size of the sequence. */
-        } SequenceStart;
-
-        struct
-        {                               /* HGSMI_BUFFER_HEADER_F_SEQ_CONTINUE and HGSMI_BUFFER_HEADER_F_SEQ_END */
-            uint32_t u32SequenceNumber; /* The sequence number, the same for all buffers in the sequence. */
-            uint32_t u32SequenceOffset; /* Data offset in the entire sequence. */
-        } SequenceContinue;
-    } u;
-
-} HGSMIBUFFERHEADER;
-
-/* 8 bytes buffer tail. */
-typedef struct _HGSMIBUFFERTAIL
-{
-    uint32_t    u32Reserved;        /* Reserved, must be initialized to 0. */
-    uint32_t    u32Checksum;        /* Verifyer for the buffer header and offset and for first 4 bytes of the tail. */
-} HGSMIBUFFERTAIL;
-#pragma pack()
-
-AssertCompile(sizeof (HGSMIBUFFERHEADER) == 16);
-AssertCompile(sizeof (HGSMIBUFFERTAIL) == 8);
-
 
 #pragma pack(1)