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1/* SPDX-License-Identifier: MIT */
2
3#ifndef __XEN_PUBLIC_HVM_HVM_OP_H__
4#define __XEN_PUBLIC_HVM_HVM_OP_H__
5
6#include <xen/interface/xen.h>
7
8/* Get/set subcommands: the second argument of the hypercall is a
9 * pointer to a xen_hvm_param struct. */
10#define HVMOP_set_param 0
11#define HVMOP_get_param 1
12struct xen_hvm_param {
13 domid_t domid; /* IN */
14 uint32_t index; /* IN */
15 uint64_t value; /* IN/OUT */
16};
17DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_param);
18
19/* Hint from PV drivers for pagetable destruction. */
20#define HVMOP_pagetable_dying 9
21struct xen_hvm_pagetable_dying {
22 /* Domain with a pagetable about to be destroyed. */
23 domid_t domid;
24 /* guest physical address of the toplevel pagetable dying */
25 aligned_u64 gpa;
26};
27typedef struct xen_hvm_pagetable_dying xen_hvm_pagetable_dying_t;
28DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_pagetable_dying_t);
29
30enum hvmmem_type_t {
31 HVMMEM_ram_rw, /* Normal read/write guest RAM */
32 HVMMEM_ram_ro, /* Read-only; writes are discarded */
33 HVMMEM_mmio_dm, /* Reads and write go to the device model */
34};
35
36#define HVMOP_get_mem_type 15
37/* Return hvmmem_type_t for the specified pfn. */
38struct xen_hvm_get_mem_type {
39 /* Domain to be queried. */
40 domid_t domid;
41 /* OUT variable. */
42 uint16_t mem_type;
43 uint16_t pad[2]; /* align next field on 8-byte boundary */
44 /* IN variable. */
45 uint64_t pfn;
46};
47DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_get_mem_type);
48
49#endif /* __XEN_PUBLIC_HVM_HVM_OP_H__ */