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 struct xen_dm_op_buf;
43
44 long privcmd_call(unsigned call, unsigned long a1,
45 unsigned long a2, unsigned long a3,
46 unsigned long a4, unsigned long a5);
47 int HYPERVISOR_xen_version(int cmd, void *arg);
48 int HYPERVISOR_console_io(int cmd, int count, char *str);
49 int HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count);
50 int HYPERVISOR_sched_op(int cmd, void *arg);
51 int HYPERVISOR_event_channel_op(int cmd, void *arg);
52 unsigned long HYPERVISOR_hvm_op(int op, void *arg);
53 int HYPERVISOR_memory_op(unsigned int cmd, void *arg);
54 int HYPERVISOR_physdev_op(int cmd, void *arg);
55 int HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args);
56 int HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type);
57 int HYPERVISOR_dm_op(domid_t domid, unsigned int nr_bufs,
58 struct xen_dm_op_buf *bufs);
59 int HYPERVISOR_platform_op_raw(void *arg);
60 static inline int HYPERVISOR_platform_op(struct xen_platform_op *op)
61 {
62 op->interface_version = XENPF_INTERFACE_VERSION;
63 return HYPERVISOR_platform_op_raw(op);
64 }
65 int HYPERVISOR_multicall(struct multicall_entry *calls, uint32_t nr);
66
67 static inline int
68 HYPERVISOR_suspend(unsigned long start_info_mfn)
69 {
70 struct sched_shutdown r = { .reason = SHUTDOWN_suspend };
71
72 /* start_info_mfn is unused on ARM */
73 return HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
74 }
75
76 #endif /* _ASM_ARM_XEN_HYPERCALL_H */
77
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