| 1 | /** @file
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| 2 | Ovmf info structure passed by Xen
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| 3 |
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| 4 | Copyright (c) 2013, Citrix Systems UK Ltd.<BR>
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| 5 |
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| 6 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 7 |
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| 8 | **/
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| 9 |
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| 10 | #ifndef __XEN_H__
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| 11 | #define __XEN_H__
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| 12 |
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| 13 | #include <PiPei.h>
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| 14 |
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| 15 | // Physical address of OVMF info
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| 16 | #define OVMF_INFO_PHYSICAL_ADDRESS 0x00001000
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| 17 |
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| 18 | // This structure must match the definition on Xen side
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| 19 | #pragma pack(1)
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| 20 | typedef struct {
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| 21 | CHAR8 Signature[14]; // XenHVMOVMF\0
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| 22 | UINT8 Length; // Length of this structure
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| 23 | UINT8 Checksum; // Set such that the sum over bytes 0..length == 0
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| 24 | //
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| 25 | // Physical address of an array of TablesCount elements.
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| 26 | //
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| 27 | // Each element contains the physical address of a BIOS table.
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| 28 | //
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| 29 | EFI_PHYSICAL_ADDRESS Tables;
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| 30 | UINT32 TablesCount;
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| 31 | //
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| 32 | // Physical address of the E820 table, contains E820EntriesCount entries.
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| 33 | //
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| 34 | EFI_PHYSICAL_ADDRESS E820;
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| 35 | UINT32 E820EntriesCount;
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| 36 | } EFI_XEN_OVMF_INFO;
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| 37 | #pragma pack()
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| 38 |
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| 39 | #endif /* __XEN_H__ */
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