--- /dev/null
+#ifndef __PV_H
+#define __PV_H
+
+#include "config.h" // CONFIG_COREBOOT
+#include "util.h"
+
+/* This CPUID returns the signature 'KVMKVMKVM' in ebx, ecx, and edx. It
+ * should be used to determine that a VM is running under KVM.
+ */
+#define KVM_CPUID_SIGNATURE 0x40000000
+
+static inline int kvm_para_available(void)
+{
+ unsigned int eax, ebx, ecx, edx;
+ char signature[13];
+
+ cpuid(KVM_CPUID_SIGNATURE, &eax, &ebx, &ecx, &edx);
+ memcpy(signature + 0, &ebx, 4);
+ memcpy(signature + 4, &ecx, 4);
+ memcpy(signature + 8, &edx, 4);
+ signature[12] = 0;
+
+ if (strcmp(signature, "KVMKVMKVM") == 0)
+ return 1;
+
+ return 0;
+}
+
+#define QEMU_CFG_SIGNATURE 0x00
+#define QEMU_CFG_ID 0x01
+#define QEMU_CFG_UUID 0x02
+#define QEMU_CFG_NUMA 0x0d
+#define QEMU_CFG_BOOT_MENU 0x0e
+#define QEMU_CFG_MAX_CPUS 0x0f
+#define QEMU_CFG_FILE_DIR 0x19
+#define QEMU_CFG_ARCH_LOCAL 0x8000
+#define QEMU_CFG_ACPI_TABLES (QEMU_CFG_ARCH_LOCAL + 0)
+#define QEMU_CFG_SMBIOS_ENTRIES (QEMU_CFG_ARCH_LOCAL + 1)
+#define QEMU_CFG_IRQ0_OVERRIDE (QEMU_CFG_ARCH_LOCAL + 2)
+#define QEMU_CFG_E820_TABLE (QEMU_CFG_ARCH_LOCAL + 3)
+
+extern int qemu_cfg_present;
+
+void qemu_cfg_port_probe(void);
+int qemu_cfg_show_boot_menu(void);
+void qemu_cfg_get_uuid(u8 *uuid);
+int qemu_cfg_irq0_override(void);
+u16 qemu_cfg_acpi_additional_tables(void);
+u16 qemu_cfg_next_acpi_table_len(void);
+void *qemu_cfg_next_acpi_table_load(void *addr, u16 len);
+u16 qemu_cfg_smbios_entries(void);
+size_t qemu_cfg_smbios_load_field(int type, size_t offset, void *addr);
+int qemu_cfg_smbios_load_external(int type, char **p, unsigned *nr_structs,
+ unsigned *max_struct_size, char *end);
+int qemu_cfg_get_numa_nodes(void);
+void qemu_cfg_get_numa_data(u64 *data, int n);
+u16 qemu_cfg_get_max_cpus(void);
+
+typedef struct QemuCfgFile {
+ u32 size; /* file size */
+ u16 select; /* write this to 0x510 to read it */
+ u16 reserved;
+ char name[56];
+} QemuCfgFile;
+
+struct e820_reservation {
+ u64 address;
+ u64 length;
+ u32 type;
+};
+
+u32 qemu_cfg_next_prefix_file(const char *prefix, u32 prevselect);
+u32 qemu_cfg_find_file(const char *name);
+int qemu_cfg_size_file(u32 select);
+const char* qemu_cfg_name_file(u32 select);
+int qemu_cfg_read_file(u32 select, void *dst, u32 maxlen);
+
+// Wrappers that select cbfs or qemu_cfg file interface.
+static inline u32 romfile_findprefix(const char *prefix, u32 previd) {
+ if (CONFIG_COREBOOT)
+ return (u32)cbfs_findprefix(prefix, (void*)previd);
+ return qemu_cfg_next_prefix_file(prefix, previd);
+}
+static inline u32 romfile_find(const char *name) {
+ if (CONFIG_COREBOOT)
+ return (u32)cbfs_finddatafile(name);
+ return qemu_cfg_find_file(name);
+}
+static inline u32 romfile_size(u32 fileid) {
+ if (CONFIG_COREBOOT)
+ return cbfs_datasize((void*)fileid);
+ return qemu_cfg_size_file(fileid);
+}
+static inline int romfile_copy(u32 fileid, void *dst, u32 maxlen) {
+ if (CONFIG_COREBOOT)
+ return cbfs_copyfile((void*)fileid, dst, maxlen);
+ return qemu_cfg_read_file(fileid, dst, maxlen);
+}
+static inline const char* romfile_name(u32 fileid) {
+ if (CONFIG_COREBOOT)
+ return cbfs_filename((void*)fileid);
+ return qemu_cfg_name_file(fileid);
+}
+void *romfile_loadfile(const char *name, int *psize);
+u64 romfile_loadint(const char *name, u64 defval);
+
+u32 qemu_cfg_e820_entries(void);
+void* qemu_cfg_e820_load_next(void *addr);
+
+#endif
