[deliverable/linux.git] / arch / mips / kvm / commpage.c

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * commpage, currently used for Virtual COP0 registers.
 * Mapped into the guest kernel @ KVM_GUEST_COMMPAGE_ADDR.
 *
 * Copyright (C) 2012  MIPS Technologies, Inc.  All rights reserved.
 * Authors: Sanjay Lal <sanjayl@kymasys.com>
 */

#include <linux/errno.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/vmalloc.h>
#include <linux/fs.h>
#include <linux/bootmem.h>
#include <asm/page.h>
#include <asm/cacheflush.h>
#include <asm/mmu_context.h>

#include <linux/kvm_host.h>

#include "commpage.h"

void kvm_mips_commpage_init(struct kvm_vcpu *vcpu)
{
	struct kvm_mips_commpage *page = vcpu->arch.kseg0_commpage;

	/* Specific init values for fields */
	vcpu->arch.cop0 = &page->cop0;
}
Commit	Line	Data
50c83085	1	/*
d116e812 DCZ	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.
42aa12e7	7	* Mapped into the guest kernel @ KVM_GUEST_COMMPAGE_ADDR.
d116e812 DCZ	8	*
	9	* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
	10	* Authors: Sanjay Lal <sanjayl@kymasys.com>
	11	*/
50c83085 SL	12
	13	#include <linux/errno.h>
	14	#include <linux/err.h>
	15	#include <linux/module.h>
	16	#include <linux/vmalloc.h>
	17	#include <linux/fs.h>
	18	#include <linux/bootmem.h>
	19	#include <asm/page.h>
	20	#include <asm/cacheflush.h>
	21	#include <asm/mmu_context.h>
	22
	23	#include <linux/kvm_host.h>
	24
d7d5b05f	25	#include "commpage.h"
50c83085 SL	26
	27	void kvm_mips_commpage_init(struct kvm_vcpu *vcpu)
	28	{
	29	struct kvm_mips_commpage *page = vcpu->arch.kseg0_commpage;
d116e812	30
50c83085 SL	31	/* Specific init values for fields */
50c83085 SL	32	vcpu->arch.cop0 = &page->cop0;
50c83085	33	}