qemu/tests/libqos/fw_cfg.h

44 lines
1.0 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 <stdint.h>
#include <sys/types.h>
typedef struct QFWCFG QFWCFG;
struct QFWCFG
{
uint64_t base;
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);
QFWCFG *mm_fw_cfg_init(uint64_t base);
QFWCFG *io_fw_cfg_init(uint16_t base);
static inline QFWCFG *pc_fw_cfg_init(void)
{
return io_fw_cfg_init(0x510);
}
#endif