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
12 struct xen_hvm_param {
13 domid_t domid; /* IN */
14 uint32_t index; /* IN */
15 uint64_t value; /* IN/OUT */
16 };
17 DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_param);
18
19 /* Hint from PV drivers for pagetable destruction. */
20 #define HVMOP_pagetable_dying 9
21 struct 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 };
27 typedef struct xen_hvm_pagetable_dying xen_hvm_pagetable_dying_t;
28 DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_pagetable_dying_t);
29
30 enum 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. */
38 struct 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 };
47 DEFINE_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
59 struct xen_hvm_evtchn_upcall_vector {
60 uint32_t vcpu;
61 uint8_t vector;
62 };
63 typedef struct xen_hvm_evtchn_upcall_vector xen_hvm_evtchn_upcall_vector_t;
64 DEFINE_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
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