qemu/target/i386/kvm/xen-compat.h
David Woodhouse 782a79601e i386/xen: implement XENMEM_add_to_physmap_batch
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01 08:22:49 +00:00

52 lines
1.3 KiB
C

/*
* Xen HVM emulation support in KVM
*
* Copyright © 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* 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 QEMU_I386_KVM_XEN_COMPAT_H
#define QEMU_I386_KVM_XEN_COMPAT_H
#include "hw/xen/interface/memory.h"
typedef uint32_t compat_pfn_t;
typedef uint32_t compat_ulong_t;
typedef uint32_t compat_ptr_t;
#define __DEFINE_COMPAT_HANDLE(name, type) \
typedef struct { \
compat_ptr_t c; \
type *_[0] __attribute__((packed)); \
} __compat_handle_ ## name; \
#define DEFINE_COMPAT_HANDLE(name) __DEFINE_COMPAT_HANDLE(name, name)
#define COMPAT_HANDLE(name) __compat_handle_ ## name
DEFINE_COMPAT_HANDLE(compat_pfn_t);
DEFINE_COMPAT_HANDLE(compat_ulong_t);
DEFINE_COMPAT_HANDLE(int);
struct compat_xen_add_to_physmap {
domid_t domid;
uint16_t size;
unsigned int space;
compat_ulong_t idx;
compat_pfn_t gpfn;
};
struct compat_xen_add_to_physmap_batch {
domid_t domid;
uint16_t space;
uint16_t size;
uint16_t extra;
COMPAT_HANDLE(compat_ulong_t) idxs;
COMPAT_HANDLE(compat_pfn_t) gpfns;
COMPAT_HANDLE(int) errs;
};
#endif /* QEMU_I386_XEN_COMPAT_H */