Copyright (c) 2011 - 2013, Intel Corporation. All rights reserved.<BR>\r
Copyright (C) 2013, Red Hat, Inc.\r
\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef __FW_CFG_LIB__\r
#define __FW_CFG_LIB__\r
\r
-//\r
-// The size, in bytes, of names of firmware configuration files, including at\r
-// least one terminating NUL byte.\r
-//\r
-#define QEMU_FW_CFG_FNAME_SIZE 56\r
-\r
-//\r
-// Macros for the FW_CFG_DMA_ACCESS.Control bitmap (in native encoding).\r
-//\r
-#define FW_CFG_DMA_CTL_ERROR BIT0\r
-#define FW_CFG_DMA_CTL_READ BIT1\r
-#define FW_CFG_DMA_CTL_SKIP BIT2\r
-#define FW_CFG_DMA_CTL_SELECT BIT3\r
-\r
-typedef enum {\r
- QemuFwCfgItemSignature = 0x0000,\r
- QemuFwCfgItemInterfaceVersion = 0x0001,\r
- QemuFwCfgItemSystemUuid = 0x0002,\r
- QemuFwCfgItemRamSize = 0x0003,\r
- QemuFwCfgItemGraphicsEnabled = 0x0004,\r
- QemuFwCfgItemSmpCpuCount = 0x0005,\r
- QemuFwCfgItemMachineId = 0x0006,\r
- QemuFwCfgItemKernelAddress = 0x0007,\r
- QemuFwCfgItemKernelSize = 0x0008,\r
- QemuFwCfgItemKernelCommandLine = 0x0009,\r
- QemuFwCfgItemInitrdAddress = 0x000a,\r
- QemuFwCfgItemInitrdSize = 0x000b,\r
- QemuFwCfgItemBootDevice = 0x000c,\r
- QemuFwCfgItemNumaData = 0x000d,\r
- QemuFwCfgItemBootMenu = 0x000e,\r
- QemuFwCfgItemMaximumCpuCount = 0x000f,\r
- QemuFwCfgItemKernelEntry = 0x0010,\r
- QemuFwCfgItemKernelData = 0x0011,\r
- QemuFwCfgItemInitrdData = 0x0012,\r
- QemuFwCfgItemCommandLineAddress = 0x0013,\r
- QemuFwCfgItemCommandLineSize = 0x0014,\r
- QemuFwCfgItemCommandLineData = 0x0015,\r
- QemuFwCfgItemKernelSetupAddress = 0x0016,\r
- QemuFwCfgItemKernelSetupSize = 0x0017,\r
- QemuFwCfgItemKernelSetupData = 0x0018,\r
- QemuFwCfgItemFileDir = 0x0019,\r
-\r
- QemuFwCfgItemX86AcpiTables = 0x8000,\r
- QemuFwCfgItemX86SmbiosTables = 0x8001,\r
- QemuFwCfgItemX86Irq0Override = 0x8002,\r
- QemuFwCfgItemX86E820Table = 0x8003,\r
- QemuFwCfgItemX86HpetData = 0x8004,\r
-\r
-} FIRMWARE_CONFIG_ITEM;\r
-\r
-//\r
-// Communication structure for the DMA access method. All fields are encoded in\r
-// big endian.\r
-//\r
-#pragma pack (1)\r
-typedef struct {\r
- UINT32 Control;\r
- UINT32 Length;\r
- UINT64 Address;\r
-} FW_CFG_DMA_ACCESS;\r
-#pragma pack ()\r
+#include <IndustryStandard/QemuFwCfg.h>\r
\r
/**\r
Returns a boolean indicating if the firmware configuration interface\r
VOID\r
);\r
\r
-\r
/**\r
Selects a firmware configuration item for reading.\r
\r
VOID\r
EFIAPI\r
QemuFwCfgSelectItem (\r
- IN FIRMWARE_CONFIG_ITEM QemuFwCfgItem\r
+ IN FIRMWARE_CONFIG_ITEM QemuFwCfgItem\r
);\r
\r
-\r
/**\r
Reads firmware configuration bytes into a buffer\r
\r
VOID\r
EFIAPI\r
QemuFwCfgReadBytes (\r
- IN UINTN Size,\r
- IN VOID *Buffer OPTIONAL\r
+ IN UINTN Size,\r
+ IN VOID *Buffer OPTIONAL\r
);\r
\r
-\r
/**\r
Writes firmware configuration bytes from a buffer\r
\r
VOID\r
EFIAPI\r
QemuFwCfgWriteBytes (\r
- IN UINTN Size,\r
- IN VOID *Buffer\r
+ IN UINTN Size,\r
+ IN VOID *Buffer\r
);\r
\r
+/**\r
+ Skip bytes in the firmware configuration item.\r
+\r
+ Increase the offset of the firmware configuration item without transferring\r
+ bytes between the item and a caller-provided buffer. Subsequent read, write\r
+ or skip operations will commence at the increased offset.\r
+\r
+ @param[in] Size Number of bytes to skip.\r
+**/\r
+VOID\r
+EFIAPI\r
+QemuFwCfgSkipBytes (\r
+ IN UINTN Size\r
+ );\r
\r
/**\r
Reads a UINT8 firmware configuration value\r
VOID\r
);\r
\r
-\r
/**\r
Reads a UINT16 firmware configuration value\r
\r
VOID\r
);\r
\r
-\r
/**\r
Reads a UINT32 firmware configuration value\r
\r
VOID\r
);\r
\r
-\r
/**\r
Reads a UINT64 firmware configuration value\r
\r
VOID\r
);\r
\r
-\r
/**\r
Find the configuration item corresponding to the firmware configuration file.\r
\r
OUT UINTN *Size\r
);\r
\r
-\r
-/**\r
- Determine if S3 support is explicitly enabled.\r
-\r
- @retval TRUE if S3 support is explicitly enabled.\r
- FALSE otherwise. This includes unavailability of the firmware\r
- configuration interface.\r
-**/\r
-BOOLEAN\r
-EFIAPI\r
-QemuFwCfgS3Enabled (\r
- VOID\r
- );\r
-\r
#endif\r
-\r