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1 | /****************************************************************************** |
2 | * hypercall.h | |
3 | * | |
4 | * Linux-specific hypervisor handling. | |
5 | * | |
6 | * Stefano Stabellini <stefano.stabellini@eu.citrix.com>, Citrix, 2012 | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License version 2 | |
10 | * as published by the Free Software Foundation; or, when distributed | |
11 | * separately from the Linux kernel or incorporated into other | |
12 | * software packages, subject to the following license: | |
13 | * | |
14 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
15 | * of this source file (the "Software"), to deal in the Software without | |
16 | * restriction, including without limitation the rights to use, copy, modify, | |
17 | * merge, publish, distribute, sublicense, and/or sell copies of the Software, | |
18 | * and to permit persons to whom the Software is furnished to do so, subject to | |
19 | * the following conditions: | |
20 | * | |
21 | * The above copyright notice and this permission notice shall be included in | |
22 | * all copies or substantial portions of the Software. | |
23 | * | |
24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
25 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
26 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
27 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
28 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
29 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
30 | * IN THE SOFTWARE. | |
31 | */ | |
32 | ||
33 | #ifndef _ASM_ARM_XEN_HYPERCALL_H | |
34 | #define _ASM_ARM_XEN_HYPERCALL_H | |
35 | ||
36 | #include <linux/bug.h> | |
37 | ||
38 | #include <xen/interface/xen.h> | |
39 | #include <xen/interface/sched.h> | |
40 | #include <xen/interface/platform.h> | |
41 | ||
42 | long privcmd_call(unsigned call, unsigned long a1, | |
43 | unsigned long a2, unsigned long a3, | |
44 | unsigned long a4, unsigned long a5); | |
45 | int HYPERVISOR_xen_version(int cmd, void *arg); | |
46 | int HYPERVISOR_console_io(int cmd, int count, char *str); | |
47 | int HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count); | |
48 | int HYPERVISOR_sched_op(int cmd, void *arg); | |
49 | int HYPERVISOR_event_channel_op(int cmd, void *arg); | |
50 | unsigned long HYPERVISOR_hvm_op(int op, void *arg); | |
51 | int HYPERVISOR_memory_op(unsigned int cmd, void *arg); | |
52 | int HYPERVISOR_physdev_op(int cmd, void *arg); | |
53 | int HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args); | |
54 | int HYPERVISOR_tmem_op(void *arg); | |
55 | int HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type); | |
56 | int HYPERVISOR_platform_op_raw(void *arg); | |
57 | static inline int HYPERVISOR_platform_op(struct xen_platform_op *op) | |
58 | { | |
59 | op->interface_version = XENPF_INTERFACE_VERSION; | |
60 | return HYPERVISOR_platform_op_raw(op); | |
61 | } | |
62 | int HYPERVISOR_multicall(struct multicall_entry *calls, uint32_t nr); | |
63 | ||
64 | static inline int | |
65 | HYPERVISOR_suspend(unsigned long start_info_mfn) | |
66 | { | |
67 | struct sched_shutdown r = { .reason = SHUTDOWN_suspend }; | |
68 | ||
69 | /* start_info_mfn is unused on ARM */ | |
70 | return HYPERVISOR_sched_op(SCHEDOP_shutdown, &r); | |
71 | } | |
72 | ||
73 | static inline void | |
74 | MULTI_update_va_mapping(struct multicall_entry *mcl, unsigned long va, | |
75 | unsigned int new_val, unsigned long flags) | |
76 | { | |
77 | BUG(); | |
78 | } | |
79 | ||
80 | static inline void | |
81 | MULTI_mmu_update(struct multicall_entry *mcl, struct mmu_update *req, | |
82 | int count, int *success_count, domid_t domid) | |
83 | { | |
84 | BUG(); | |
85 | } | |
86 | ||
87 | #endif /* _ASM_ARM_XEN_HYPERCALL_H */ |