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
28 struct xen_hvm_param {
29 domid_t domid; /* IN */
30 uint32_t index; /* IN */
31 uint64_t value; /* IN/OUT */
32 };
33 DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_param);
34
35 /* Hint from PV drivers for pagetable destruction. */
36 #define HVMOP_pagetable_dying 9
37 struct 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 };
43 typedef struct xen_hvm_pagetable_dying xen_hvm_pagetable_dying_t;
44 DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_pagetable_dying_t);
45
46 enum 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. */
54 struct 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 };
63 DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_get_mem_type);
64
65 #endif /* __XEN_PUBLIC_HVM_HVM_OP_H__ */