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
  17 typedef struct QFWCFG QFWCFG;
  18
  19 struct QFWCFG
  20 {
  21     uint64_t base;
  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
  33 QFWCFG *mm_fw_cfg_init(uint64_t base);
  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 }
  40
  41 #endif