799c23548f
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>
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/*
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* Xen HVM emulation support in KVM
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*
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* Copyright © 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#ifndef QEMU_I386_KVM_XEN_COMPAT_H
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#define QEMU_I386_KVM_XEN_COMPAT_H
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#include "hw/xen/interface/memory.h"
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typedef uint32_t compat_pfn_t;
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typedef uint32_t compat_ulong_t;
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typedef uint32_t compat_ptr_t;
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#define __DEFINE_COMPAT_HANDLE(name, type) \
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typedef struct { \
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compat_ptr_t c; \
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type *_[0] __attribute__((packed)); \
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} __compat_handle_ ## name; \
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#define DEFINE_COMPAT_HANDLE(name) __DEFINE_COMPAT_HANDLE(name, name)
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#define COMPAT_HANDLE(name) __compat_handle_ ## name
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DEFINE_COMPAT_HANDLE(compat_pfn_t);
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DEFINE_COMPAT_HANDLE(compat_ulong_t);
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DEFINE_COMPAT_HANDLE(int);
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struct compat_xen_add_to_physmap {
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domid_t domid;
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uint16_t size;
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unsigned int space;
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compat_ulong_t idx;
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compat_pfn_t gpfn;
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};
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struct compat_xen_add_to_physmap_batch {
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domid_t domid;
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uint16_t space;
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uint16_t size;
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uint16_t extra;
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COMPAT_HANDLE(compat_ulong_t) idxs;
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COMPAT_HANDLE(compat_pfn_t) gpfns;
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COMPAT_HANDLE(int) errs;
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};
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struct compat_physdev_map_pirq {
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domid_t domid;
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uint16_t pad;
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/* IN */
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int type;
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/* IN (ignored for ..._MULTI_MSI) */
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int index;
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/* IN or OUT */
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int pirq;
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/* IN - high 16 bits hold segment for ..._MSI_SEG and ..._MULTI_MSI */
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int bus;
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/* IN */
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int devfn;
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/* IN (also OUT for ..._MULTI_MSI) */
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int entry_nr;
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/* IN */
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uint64_t table_base;
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} __attribute__((packed));
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#endif /* QEMU_I386_XEN_COMPAT_H */
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