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#if defined(__i386__) || defined(__x86_64__)
50
51/*
52 * HVMOP_set_evtchn_upcall_vector: Set a <vector> that should be used for event
53 *                                 channel upcalls on the specified <vcpu>. If set,
54 *                                 this vector will be used in preference to the
55 *                                 domain global callback via (see
56 *                                 HVM_PARAM_CALLBACK_IRQ).
57 */
58#define HVMOP_set_evtchn_upcall_vector 23
59struct xen_hvm_evtchn_upcall_vector {
60    uint32_t vcpu;
61    uint8_t vector;
62};
63typedef struct xen_hvm_evtchn_upcall_vector xen_hvm_evtchn_upcall_vector_t;
64DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_evtchn_upcall_vector_t);
65
66#endif /* defined(__i386__) || defined(__x86_64__) */
67
68#endif /* __XEN_PUBLIC_HVM_HVM_OP_H__ */
69