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1 /*
2 * libqos fw_cfg support
3 *
4 * Copyright IBM, Corp. 2012-2013
5 *
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
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
16 #include "../libqtest.h"
17 #include "libqos.h"
18
19 typedef struct QFWCFG QFWCFG;
20
21 struct QFWCFG
22 {
23 uint64_t base;
24 QTestState *qts;
25 void (*select)(QFWCFG *fw_cfg, uint16_t key);
26 void (*read)(QFWCFG *fw_cfg, void *data, size_t len);
27 };
28
29 void qfw_cfg_select(QFWCFG *fw_cfg, uint16_t key);
30 void qfw_cfg_read_data(QFWCFG *fw_cfg, void *data, size_t len);
31 void qfw_cfg_get(QFWCFG *fw_cfg, uint16_t key, void *data, size_t len);
32 uint16_t qfw_cfg_get_u16(QFWCFG *fw_cfg, uint16_t key);
33 uint32_t qfw_cfg_get_u32(QFWCFG *fw_cfg, uint16_t key);
34 uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key);
35 size_t qfw_cfg_get_file(QFWCFG *fw_cfg, const char *filename,
36 void *data, size_t buflen);
37 size_t qfw_cfg_write_file(QFWCFG *fw_cfg, QOSState *qs, const char *filename,
38 void *data, size_t buflen);
39 size_t qfw_cfg_read_file(QFWCFG *fw_cfg, QOSState *qs, const char *filename,
40 void *data, size_t buflen);
41 QFWCFG *mm_fw_cfg_init(QTestState *qts, uint64_t base);
42 void mm_fw_cfg_uninit(QFWCFG *fw_cfg);
43 QFWCFG *io_fw_cfg_init(QTestState *qts, uint16_t base);
44 void io_fw_cfg_uninit(QFWCFG *fw_cfg);
45
46 static inline QFWCFG *pc_fw_cfg_init(QTestState *qts)
47 {
48 return io_fw_cfg_init(qts, 0x510);
49 }
50
51 static inline void pc_fw_cfg_uninit(QFWCFG *fw_cfg)
52 {
53 io_fw_cfg_uninit(fw_cfg);
54 }
55
56 G_DEFINE_AUTOPTR_CLEANUP_FUNC(QFWCFG, mm_fw_cfg_uninit)
57
58 #endif