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 18 typedef struct QFWCFG QFWCFG; 19 20 struct QFWCFG 21 { 22 uint64_t base; 23 QTestState *qts; 24 void (*select)(QFWCFG *fw_cfg, uint16_t key); 25 void (*read)(QFWCFG *fw_cfg, void *data, size_t len); 26 }; 27 28 void qfw_cfg_select(QFWCFG *fw_cfg, uint16_t key); 29 void qfw_cfg_read_data(QFWCFG *fw_cfg, void *data, size_t len); 30 void qfw_cfg_get(QFWCFG *fw_cfg, uint16_t key, void *data, size_t len); 31 uint16_t qfw_cfg_get_u16(QFWCFG *fw_cfg, uint16_t key); 32 uint32_t qfw_cfg_get_u32(QFWCFG *fw_cfg, uint16_t key); 33 uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key); 34 size_t qfw_cfg_get_file(QFWCFG *fw_cfg, const char *filename, 35 void *data, size_t buflen); 36 37 QFWCFG *mm_fw_cfg_init(QTestState *qts, uint64_t base); 38 void mm_fw_cfg_uninit(QFWCFG *fw_cfg); 39 QFWCFG *io_fw_cfg_init(QTestState *qts, uint16_t base); 40 void io_fw_cfg_uninit(QFWCFG *fw_cfg); 41 42 static inline QFWCFG *pc_fw_cfg_init(QTestState *qts) 43 { 44 return io_fw_cfg_init(qts, 0x510); 45 } 46 47 static inline void pc_fw_cfg_uninit(QFWCFG *fw_cfg) 48 { 49 io_fw_cfg_uninit(fw_cfg); 50 } 51 52 #endif 53