1 /******************************************************************************
2 * arch/x86/guest/hyperv/private.h
3 *
4 * Definitions / declarations only useful to Hyper-V code.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; If not, see <http://www.gnu.org/licenses/>.
18 *
19 * Copyright (c) 2020 Microsoft.
20 */
21
22 #ifndef __XEN_HYPERV_PRIVIATE_H__
23 #define __XEN_HYPERV_PRIVIATE_H__
24
25 #include <xen/cpumask.h>
26 #include <xen/percpu.h>
27
28 DECLARE_PER_CPU(void *, hv_input_page);
29 DECLARE_PER_CPU(void *, hv_vp_assist);
30 DECLARE_PER_CPU(unsigned int, hv_vp_index);
31 extern unsigned int hv_max_vp_index;
32
hv_vp_index(unsigned int cpu)33 static inline unsigned int hv_vp_index(unsigned int cpu)
34 {
35 return per_cpu(hv_vp_index, cpu);
36 }
37
38 int hyperv_flush_tlb(const cpumask_t *mask, const void *va,
39 unsigned int flags);
40
41 /* Returns number of banks, -ev if error */
42 int cpumask_to_vpset(struct hv_vpset *vpset, const cpumask_t *mask);
43
44 #endif /* __XEN_HYPERV_PRIVIATE_H__ */
45