tests/libqos/fw_cfg.h

   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