qemu/target/i386/kvm/xen-compat.h
David Woodhouse 799c23548f i386/xen: Implement HYPERVISOR_physdev_op
Just hook up the basic hypercalls to stubs in xen_evtchn.c for now.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01 09:08:26 +00:00

71 lines
1.7 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;
};
struct compat_physdev_map_pirq {
domid_t domid;
uint16_t pad;
/* IN */
int type;
/* IN (ignored for ..._MULTI_MSI) */
int index;
/* IN or OUT */
int pirq;
/* IN - high 16 bits hold segment for ..._MSI_SEG and ..._MULTI_MSI */
int bus;
/* IN */
int devfn;
/* IN (also OUT for ..._MULTI_MSI) */
int entry_nr;
/* IN */
uint64_t table_base;
} __attribute__((packed));
#endif /* QEMU_I386_XEN_COMPAT_H */