LXR qemu/tests/libqos/fw

   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
  17typedef struct QFWCFG QFWCFG;
  18
  19struct 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
  26void qfw_cfg_select(QFWCFG *fw_cfg, uint16_t key);
  27void qfw_cfg_read_data(QFWCFG *fw_cfg, void *data, size_t len);
  28void qfw_cfg_get(QFWCFG *fw_cfg, uint16_t key, void *data, size_t len);
  29uint16_t qfw_cfg_get_u16(QFWCFG *fw_cfg, uint16_t key);
  30uint32_t qfw_cfg_get_u32(QFWCFG *fw_cfg, uint16_t key);
  31uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key);
  32
  33QFWCFG *mm_fw_cfg_init(uint64_t base);
  34QFWCFG *io_fw_cfg_init(uint16_t base);
  35
  36static inline QFWCFG *pc_fw_cfg_init(void)
  37{
  38    return io_fw_cfg_init(0x510);
  39}
  40
  41#endif
  42