projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 5583a8a4 LE |
1 | /** @file\r |
| 2 | Macro and type definitions corresponding to the QEMU fw_cfg interface.\r | |
| 3 | \r | |
| 4 | Refer to "docs/specs/fw_cfg.txt" in the QEMU source directory.\r | |
| 5 | \r | |
| 6 | Copyright (c) 2011 - 2013, Intel Corporation. All rights reserved.<BR>\r | |
| 7 | Copyright (C) 2013 - 2017, Red Hat, Inc.\r | |
| 8 | \r | |
| b26f0cf9 | 9 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 5583a8a4 LE |
10 | **/\r |
| 11 | \r | |
| 12 | #ifndef __FW_CFG_H__\r | |
| 13 | #define __FW_CFG_H__\r | |
| 14 | \r | |
| 15 | #include <Base.h>\r | |
| 16 | \r | |
| 17 | //\r | |
| 18 | // The size, in bytes, of names of firmware configuration files, including at\r | |
| 19 | // least one terminating NUL byte.\r | |
| 20 | //\r | |
| ac0a286f | 21 | #define QEMU_FW_CFG_FNAME_SIZE 56\r |
| 5583a8a4 LE |
22 | \r |
| 23 | //\r | |
| 24 | // If the following bit is set in the UINT32 fw_cfg revision / feature bitmap\r | |
| 25 | // -- read from key 0x0001 with the basic IO Port or MMIO method --, then the\r | |
| 26 | // DMA interface is available.\r | |
| 27 | //\r | |
| ac0a286f | 28 | #define FW_CFG_F_DMA BIT1\r |
| 5583a8a4 LE |
29 | \r |
| 30 | //\r | |
| 31 | // Macros for the FW_CFG_DMA_ACCESS.Control bitmap (in native encoding).\r | |
| 32 | //\r | |
| ac0a286f MK |
33 | #define FW_CFG_DMA_CTL_ERROR BIT0\r |
| 34 | #define FW_CFG_DMA_CTL_READ BIT1\r | |
| 35 | #define FW_CFG_DMA_CTL_SKIP BIT2\r | |
| 36 | #define FW_CFG_DMA_CTL_SELECT BIT3\r | |
| 37 | #define FW_CFG_DMA_CTL_WRITE BIT4\r | |
| 5583a8a4 | 38 | \r |
| 21ca2f28 LE |
39 | //\r |
| 40 | // The fw_cfg registers can be found at these IO Ports, on the IO-mapped\r | |
| 41 | // platforms (Ia32 and X64).\r | |
| 42 | //\r | |
| ac0a286f MK |
43 | #define FW_CFG_IO_SELECTOR 0x510\r |
| 44 | #define FW_CFG_IO_DATA 0x511\r | |
| 45 | #define FW_CFG_IO_DMA_ADDRESS 0x514\r | |
| 21ca2f28 | 46 | \r |
| 5583a8a4 LE |
47 | //\r |
| 48 | // Numerically defined keys.\r | |
| 49 | //\r | |
| 50 | typedef enum {\r | |
| ac0a286f MK |
51 | QemuFwCfgItemSignature = 0x0000,\r |
| 52 | QemuFwCfgItemInterfaceVersion = 0x0001,\r | |
| 53 | QemuFwCfgItemSystemUuid = 0x0002,\r | |
| 54 | QemuFwCfgItemRamSize = 0x0003,\r | |
| 55 | QemuFwCfgItemGraphicsEnabled = 0x0004,\r | |
| 56 | QemuFwCfgItemSmpCpuCount = 0x0005,\r | |
| 57 | QemuFwCfgItemMachineId = 0x0006,\r | |
| 58 | QemuFwCfgItemKernelAddress = 0x0007,\r | |
| 59 | QemuFwCfgItemKernelSize = 0x0008,\r | |
| 60 | QemuFwCfgItemKernelCommandLine = 0x0009,\r | |
| 61 | QemuFwCfgItemInitrdAddress = 0x000a,\r | |
| 62 | QemuFwCfgItemInitrdSize = 0x000b,\r | |
| 63 | QemuFwCfgItemBootDevice = 0x000c,\r | |
| 64 | QemuFwCfgItemNumaData = 0x000d,\r | |
| 65 | QemuFwCfgItemBootMenu = 0x000e,\r | |
| 66 | QemuFwCfgItemMaximumCpuCount = 0x000f,\r | |
| 67 | QemuFwCfgItemKernelEntry = 0x0010,\r | |
| 68 | QemuFwCfgItemKernelData = 0x0011,\r | |
| 69 | QemuFwCfgItemInitrdData = 0x0012,\r | |
| 70 | QemuFwCfgItemCommandLineAddress = 0x0013,\r | |
| 71 | QemuFwCfgItemCommandLineSize = 0x0014,\r | |
| 72 | QemuFwCfgItemCommandLineData = 0x0015,\r | |
| 73 | QemuFwCfgItemKernelSetupAddress = 0x0016,\r | |
| 74 | QemuFwCfgItemKernelSetupSize = 0x0017,\r | |
| 75 | QemuFwCfgItemKernelSetupData = 0x0018,\r | |
| 76 | QemuFwCfgItemFileDir = 0x0019,\r | |
| 5583a8a4 | 77 | \r |
| ac0a286f MK |
78 | QemuFwCfgItemX86AcpiTables = 0x8000,\r |
| 79 | QemuFwCfgItemX86SmbiosTables = 0x8001,\r | |
| 80 | QemuFwCfgItemX86Irq0Override = 0x8002,\r | |
| 81 | QemuFwCfgItemX86E820Table = 0x8003,\r | |
| 82 | QemuFwCfgItemX86HpetData = 0x8004,\r | |
| 5583a8a4 LE |
83 | } FIRMWARE_CONFIG_ITEM;\r |
| 84 | \r | |
| 85 | //\r | |
| 86 | // Communication structure for the DMA access method. All fields are encoded in\r | |
| 87 | // big endian.\r | |
| 88 | //\r | |
| 89 | #pragma pack (1)\r | |
| 90 | typedef struct {\r | |
| ac0a286f MK |
91 | UINT32 Control;\r |
| 92 | UINT32 Length;\r | |
| 93 | UINT64 Address;\r | |
| 5583a8a4 LE |
94 | } FW_CFG_DMA_ACCESS;\r |
| 95 | #pragma pack ()\r | |
| 96 | \r | |
| 97 | #endif\r |