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 59