1 /*
2  * This file is subject to the terms and conditions of the GNU General Public
3  * License.  See the file "COPYING" in the main directory of this archive
4  * for more details.
5  *
6  * commpage, currently used for Virtual COP0 registers.
7  * Mapped into the guest kernel @ KVM_GUEST_COMMPAGE_ADDR.
8  *
9  * Copyright (C) 2012  MIPS Technologies, Inc.  All rights reserved.
10  * Authors: Sanjay Lal <sanjayl@kymasys.com>
11  */
12 
13 #include <linux/errno.h>
14 #include <linux/err.h>
15 #include <linux/vmalloc.h>
16 #include <linux/fs.h>
17 #include <linux/memblock.h>
18 #include <asm/page.h>
19 #include <asm/cacheflush.h>
20 #include <asm/mmu_context.h>
21 
22 #include <linux/kvm_host.h>
23 
24 #include "commpage.h"
25 
kvm_mips_commpage_init(struct kvm_vcpu * vcpu)26 void kvm_mips_commpage_init(struct kvm_vcpu *vcpu)
27 {
28 	struct kvm_mips_commpage *page = vcpu->arch.kseg0_commpage;
29 
30 	/* Specific init values for fields */
31 	vcpu->arch.cop0 = &page->cop0;
32 }
33