historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/tests/qtest/libqos/fw_cfg.h
2024-01-16 11:20:27 -06:00

54 lines
1.4 KiB
C

/*
* libqos fw_cfg support
*
* Copyright IBM, Corp. 2012-2013
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef LIBQOS_FW_CFG_H
#define LIBQOS_FW_CFG_H
#include "libqtest.h"
typedef struct QFWCFG QFWCFG;
struct QFWCFG
{
uint64_t base;
QTestState *qts;
void (*select)(QFWCFG *fw_cfg, uint16_t key);
void (*read)(QFWCFG *fw_cfg, void *data, size_t len);
};
void qfw_cfg_select(QFWCFG *fw_cfg, uint16_t key);
void qfw_cfg_read_data(QFWCFG *fw_cfg, void *data, size_t len);
void qfw_cfg_get(QFWCFG *fw_cfg, uint16_t key, void *data, size_t len);
uint16_t qfw_cfg_get_u16(QFWCFG *fw_cfg, uint16_t key);
uint32_t qfw_cfg_get_u32(QFWCFG *fw_cfg, uint16_t key);
uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key);
size_t qfw_cfg_get_file(QFWCFG *fw_cfg, const char *filename,
void *data, size_t buflen);
QFWCFG *mm_fw_cfg_init(QTestState *qts, uint64_t base);
void mm_fw_cfg_uninit(QFWCFG *fw_cfg);
QFWCFG *io_fw_cfg_init(QTestState *qts, uint16_t base);
void io_fw_cfg_uninit(QFWCFG *fw_cfg);
static inline QFWCFG *pc_fw_cfg_init(QTestState *qts)
{
return io_fw_cfg_init(qts, 0x510);
}
static inline void pc_fw_cfg_uninit(QFWCFG *fw_cfg)
{
io_fw_cfg_uninit(fw_cfg);
}
G_DEFINE_AUTOPTR_CLEANUP_FUNC(QFWCFG, mm_fw_cfg_uninit)
#endif