[qemu.git] / tests / libqos / fw_cfg.h

/*
 * libqos fw_cfg support
 *
 * Copyright IBM, Corp. 2012-2013
 *
 * Authors:
 *  Anthony Liguori   <[email protected]>
 *
 * 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


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
Commit	Line	Data
234c69c5 AL	1	/*
	2	* libqos fw_cfg support
	3	*
	4	* Copyright IBM, Corp. 2012-2013
	5	*
	6	* Authors:
	7	* Anthony Liguori <[email protected]>
	8	*
	9	* This work is licensed under the terms of the GNU GPL, version 2 or later.
	10	* See the COPYING file in the top-level directory.
	11	*/
	12
	13	#ifndef LIBQOS_FW_CFG_H
	14	#define LIBQOS_FW_CFG_H
	15
234c69c5 AL	16
	17	typedef struct QFWCFG QFWCFG;
	18
	19	struct QFWCFG
	20	{
7a100165	21	uint64_t base;
234c69c5 AL	22	void (select)(QFWCFG fw_cfg, uint16_t key);
	23	void (read)(QFWCFG fw_cfg, void *data, size_t len);
	24	};
	25
	26	void qfw_cfg_select(QFWCFG *fw_cfg, uint16_t key);
	27	void qfw_cfg_read_data(QFWCFG fw_cfg, void data, size_t len);
	28	void qfw_cfg_get(QFWCFG fw_cfg, uint16_t key, void data, size_t len);
	29	uint16_t qfw_cfg_get_u16(QFWCFG *fw_cfg, uint16_t key);
	30	uint32_t qfw_cfg_get_u32(QFWCFG *fw_cfg, uint16_t key);
	31	uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key);
	32
7a100165	33	QFWCFG *mm_fw_cfg_init(uint64_t base);
26491a38 MA	34	QFWCFG *io_fw_cfg_init(uint16_t base);
	35
	36	static inline QFWCFG *pc_fw_cfg_init(void)
	37	{
	38	return io_fw_cfg_init(0x510);
	39	}
7a100165	40
234c69c5	41	#endif