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[common] cleanup header format and move resettable members
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@ -21,7 +21,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
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#include <stdint.h>
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#define KVMFR_HEADER_MAGIC "[[KVMFR]]"
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#define KVMFR_HEADER_VERSION 3
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#define KVMFR_HEADER_VERSION 4
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typedef enum FrameType
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{
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@ -49,9 +49,6 @@ typedef struct KVMFRCursor
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uint8_t flags; // KVMFR_CURSOR_FLAGS
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int16_t x, y; // cursor x & y position
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CursorType type; // shape buffer data type
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uint8_t w, h; // shape width and height
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uint8_t pitch; // shape row length in bytes
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uint64_t dataPos; // offset to the cursor data
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}
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KVMFRCursor;
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@ -60,7 +57,8 @@ typedef struct KVMFRFrame
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FrameType type; // the frame data type
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uint32_t width; // the width
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uint32_t height; // the height
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uint32_t stride; // the row stride
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uint32_t stride; // the row stride (zero if cursor data)
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uint32_t pitch; // the row pitch (stride in bytes)
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uint64_t dataPos; // offset to the frame
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}
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KVMFRFrame;
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@ -70,16 +68,19 @@ KVMFRFrame;
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#define KVMFR_HEADER_FLAG_RESTART 4 // restart signal from client
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#define KVMFR_HEADER_FLAG_READY 8 // ready signal from client
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typedef struct KVMFRDetail
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{
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KVMFRFrame frame; // the frame information
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KVMFRCursor cursor; // the cursor information
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}
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KVMFRDetail;
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typedef struct KVMFRHeader
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{
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char magic[sizeof(KVMFR_HEADER_MAGIC)];
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uint32_t version; // version of this structure
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uint16_t hostID; // the host ivshmem client id
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uint16_t guestID; // the guest ivshmem client id
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uint32_t updateCount; // updated each change
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uint8_t flags; // KVMFR_HEADER_FLAGS
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KVMFRFrame frame; // the frame information
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KVMFRCursor cursor; // the cursor information
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KVMFRDetail detail; // details
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}
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KVMFRHeader;
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KVMFRHeader;
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