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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#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__ */
1/*
2 * Permission is hereby granted, free of charge, to any person obtaining a copy
3 * of this software and associated documentation files (the "Software"), to
4 * deal in the Software without restriction, including without limitation the
5 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
6 * sell copies of the Software, and to permit persons to whom the Software is
7 * furnished to do so, subject to the following conditions:
8 *
9 * The above copyright notice and this permission notice shall be included in
10 * all copies or substantial portions of the Software.
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
15 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
16 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
17 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
18 * DEALINGS IN THE SOFTWARE.
19 */
20
21#ifndef __XEN_PUBLIC_HVM_HVM_OP_H__
22#define __XEN_PUBLIC_HVM_HVM_OP_H__
23
24/* Get/set subcommands: the second argument of the hypercall is a
25 * pointer to a xen_hvm_param struct. */
26#define HVMOP_set_param 0
27#define HVMOP_get_param 1
28struct xen_hvm_param {
29 domid_t domid; /* IN */
30 uint32_t index; /* IN */
31 uint64_t value; /* IN/OUT */
32};
33DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_param);
34
35/* Hint from PV drivers for pagetable destruction. */
36#define HVMOP_pagetable_dying 9
37struct xen_hvm_pagetable_dying {
38 /* Domain with a pagetable about to be destroyed. */
39 domid_t domid;
40 /* guest physical address of the toplevel pagetable dying */
41 aligned_u64 gpa;
42};
43typedef struct xen_hvm_pagetable_dying xen_hvm_pagetable_dying_t;
44DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_pagetable_dying_t);
45
46enum hvmmem_type_t {
47 HVMMEM_ram_rw, /* Normal read/write guest RAM */
48 HVMMEM_ram_ro, /* Read-only; writes are discarded */
49 HVMMEM_mmio_dm, /* Reads and write go to the device model */
50};
51
52#define HVMOP_get_mem_type 15
53/* Return hvmmem_type_t for the specified pfn. */
54struct xen_hvm_get_mem_type {
55 /* Domain to be queried. */
56 domid_t domid;
57 /* OUT variable. */
58 uint16_t mem_type;
59 uint16_t pad[2]; /* align next field on 8-byte boundary */
60 /* IN variable. */
61 uint64_t pfn;
62};
63DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_get_mem_type);
64
65#endif /* __XEN_PUBLIC_HVM_HVM_OP_H__ */