234c69c5f9
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
35 lines
876 B
C
35 lines
876 B
C
/*
|
|
* 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
|