diff options
| author | Anthony Liguori <aliguori@us.ibm.com> | 2013-04-16 09:45:17 -0500 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2013-04-17 10:26:05 -0500 |
| commit | 234c69c5f92f18d7692e859d2784edb17a88873f (patch) | |
| tree | 3e2bb985360aeabec7893d3e0e32a976f3f2880c /tests/libqos/fw_cfg.h | |
| parent | c4efe1cada311b9dc0df5beb71c4227ff3414aa1 (diff) | |
| download | qemu-234c69c5f92f18d7692e859d2784edb17a88873f.zip | |
libqos: add fw_cfg support
fw_cfg is needed to get the top of memory which is necessary for
doing PCI allocation and allocating RAM for DMA.
Add a PC version of fw_cfg and enough abstraction to support other
platforms.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1366123521-4330-4-git-send-email-aliguori@us.ibm.com
Diffstat (limited to 'tests/libqos/fw_cfg.h')
| -rw-r--r-- | tests/libqos/fw_cfg.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/libqos/fw_cfg.h b/tests/libqos/fw_cfg.h new file mode 100644 index 0000000000..44fc42ba11 --- /dev/null +++ b/tests/libqos/fw_cfg.h @@ -0,0 +1,34 @@ +/* + * libqos fw_cfg support + * + * Copyright IBM, Corp. 2012-2013 + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef LIBQOS_FW_CFG_H +#define LIBQOS_FW_CFG_H + +#include <stdint.h> +#include <sys/types.h> + +typedef struct QFWCFG QFWCFG; + +struct QFWCFG +{ + void (*select)(QFWCFG *fw_cfg, uint16_t key); + void (*read)(QFWCFG *fw_cfg, void *data, size_t len); +}; + +void qfw_cfg_select(QFWCFG *fw_cfg, uint16_t key); +void qfw_cfg_read_data(QFWCFG *fw_cfg, void *data, size_t len); +void qfw_cfg_get(QFWCFG *fw_cfg, uint16_t key, void *data, size_t len); +uint16_t qfw_cfg_get_u16(QFWCFG *fw_cfg, uint16_t key); +uint32_t qfw_cfg_get_u32(QFWCFG *fw_cfg, uint16_t key); +uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key); + +#endif |