mirror of https://gitlab.com/qemu-project/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*
|
|
* uefi-vars device - API of the virtual device for guest/host communication.
|
|
*/
|
|
#ifndef QEMU_UEFI_VAR_SERVICE_API_H
|
|
#define QEMU_UEFI_VAR_SERVICE_API_H
|
|
|
|
/* qom: device names */
|
|
#define TYPE_UEFI_VARS_X64 "uefi-vars-x64"
|
|
#define TYPE_UEFI_VARS_SYSBUS "uefi-vars-sysbus"
|
|
|
|
/* sysbus: fdt node path */
|
|
#define UEFI_VARS_FDT_NODE "qemu-uefi-vars"
|
|
#define UEFI_VARS_FDT_COMPAT "qemu,uefi-vars"
|
|
|
|
/* registers */
|
|
#define UEFI_VARS_REG_MAGIC 0x00 /* 16 bit */
|
|
#define UEFI_VARS_REG_CMD_STS 0x02 /* 16 bit */
|
|
#define UEFI_VARS_REG_BUFFER_SIZE 0x04 /* 32 bit */
|
|
#define UEFI_VARS_REG_DMA_BUFFER_ADDR_LO 0x08 /* 32 bit */
|
|
#define UEFI_VARS_REG_DMA_BUFFER_ADDR_HI 0x0c /* 32 bit */
|
|
#define UEFI_VARS_REG_PIO_BUFFER_TRANSFER 0x10 /* 8-64 bit */
|
|
#define UEFI_VARS_REG_PIO_BUFFER_CRC32C 0x18 /* 32 bit (read-only) */
|
|
#define UEFI_VARS_REG_FLAGS 0x1c /* 32 bit */
|
|
#define UEFI_VARS_REGS_SIZE 0x20
|
|
|
|
/* flags register */
|
|
#define UEFI_VARS_FLAG_USE_PIO (1 << 0)
|
|
|
|
/* magic value */
|
|
#define UEFI_VARS_MAGIC_VALUE 0xef1
|
|
|
|
/* command values */
|
|
#define UEFI_VARS_CMD_RESET 0x01
|
|
#define UEFI_VARS_CMD_DMA_MM 0x02
|
|
#define UEFI_VARS_CMD_PIO_MM 0x03
|
|
#define UEFI_VARS_CMD_PIO_ZERO_OFFSET 0x04
|
|
|
|
/* status values */
|
|
#define UEFI_VARS_STS_SUCCESS 0x00
|
|
#define UEFI_VARS_STS_BUSY 0x01
|
|
#define UEFI_VARS_STS_ERR_UNKNOWN 0x10
|
|
#define UEFI_VARS_STS_ERR_NOT_SUPPORTED 0x11
|
|
#define UEFI_VARS_STS_ERR_BAD_BUFFER_SIZE 0x12
|
|
|
|
|
|
#endif /* QEMU_UEFI_VAR_SERVICE_API_H */
|