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Commit fc6cf995 authored by Scott Wood's avatar Scott Wood Committed by Avi Kivity
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KVM: PPC: e500: merge <asm/kvm_e500.h> into arch/powerpc/kvm/e500.h



Keeping two separate headers for e500-specific things was a
pain, and wasn't even organized along any logical boundary.

There was TLB stuff in <asm/kvm_e500.h> despite the existence of
arch/powerpc/kvm/e500_tlb.h, and nothing in <asm/kvm_e500.h> needed
to be referenced from outside arch/powerpc/kvm.

Signed-off-by: default avatarScott Wood <scottwood@freescale.com>
[agraf: fix bisectability]
Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 29a5a6f9
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+0 −96
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/*
 * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Author: Yu Liu, <yu.liu@freescale.com>
 *
 * Description:
 * This file is derived from arch/powerpc/include/asm/kvm_44x.h,
 * by Hollis Blanchard <hollisb@us.ibm.com>.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2, as
 * published by the Free Software Foundation.
 */

#ifndef __ASM_KVM_E500_H__
#define __ASM_KVM_E500_H__

#include <linux/kvm_host.h>

#define BOOKE_INTERRUPT_SIZE 36

#define E500_PID_NUM   3
#define E500_TLB_NUM   2

#define E500_TLB_VALID 1
#define E500_TLB_DIRTY 2

struct tlbe_ref {
	pfn_t pfn;
	unsigned int flags; /* E500_TLB_* */
};

struct tlbe_priv {
	struct tlbe_ref ref; /* TLB0 only -- TLB1 uses tlb_refs */
};

struct vcpu_id_table;

struct kvmppc_e500_tlb_params {
	int entries, ways, sets;
};

struct kvmppc_vcpu_e500 {
	/* Unmodified copy of the guest's TLB -- shared with host userspace. */
	struct kvm_book3e_206_tlb_entry *gtlb_arch;

	/* Starting entry number in gtlb_arch[] */
	int gtlb_offset[E500_TLB_NUM];

	/* KVM internal information associated with each guest TLB entry */
	struct tlbe_priv *gtlb_priv[E500_TLB_NUM];

	struct kvmppc_e500_tlb_params gtlb_params[E500_TLB_NUM];

	unsigned int gtlb_nv[E500_TLB_NUM];

	/*
	 * information associated with each host TLB entry --
	 * TLB1 only for now.  If/when guest TLB1 entries can be
	 * mapped with host TLB0, this will be used for that too.
	 *
	 * We don't want to use this for guest TLB0 because then we'd
	 * have the overhead of doing the translation again even if
	 * the entry is still in the guest TLB (e.g. we swapped out
	 * and back, and our host TLB entries got evicted).
	 */
	struct tlbe_ref *tlb_refs[E500_TLB_NUM];
	unsigned int host_tlb1_nv;

	u32 host_pid[E500_PID_NUM];
	u32 pid[E500_PID_NUM];
	u32 svr;

	/* vcpu id table */
	struct vcpu_id_table *idt;

	u32 l1csr0;
	u32 l1csr1;
	u32 hid0;
	u32 hid1;
	u32 tlb0cfg;
	u32 tlb1cfg;
	u64 mcar;

	struct page **shared_tlb_pages;
	int num_shared_tlb_pages;

	struct kvm_vcpu vcpu;
};

static inline struct kvmppc_vcpu_e500 *to_e500(struct kvm_vcpu *vcpu)
{
	return container_of(vcpu, struct kvmppc_vcpu_e500, vcpu);
}

#endif /* __ASM_KVM_E500_H__ */
+0 −1
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@@ -20,7 +20,6 @@
#include <asm/reg.h>
#include <asm/cputable.h>
#include <asm/tlbflush.h>
#include <asm/kvm_e500.h>
#include <asm/kvm_ppc.h>

#include "booke.h"
+78 −4
Original line number Diff line number Diff line
/*
 * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Author: Yu Liu, yu.liu@freescale.com
 * Author: Yu Liu <yu.liu@freescale.com>
 *
 * Description:
 * This file is based on arch/powerpc/kvm/44x_tlb.h,
 * by Hollis Blanchard <hollisb@us.ibm.com>.
 * This file is based on arch/powerpc/kvm/44x_tlb.h and
 * arch/powerpc/include/asm/kvm_44x.h by Hollis Blanchard <hollisb@us.ibm.com>,
 * Copyright IBM Corp. 2007-2008
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2, as
@@ -18,7 +19,80 @@
#include <linux/kvm_host.h>
#include <asm/mmu-book3e.h>
#include <asm/tlb.h>
#include <asm/kvm_e500.h>

#define E500_PID_NUM   3
#define E500_TLB_NUM   2

#define E500_TLB_VALID 1
#define E500_TLB_DIRTY 2

struct tlbe_ref {
	pfn_t pfn;
	unsigned int flags; /* E500_TLB_* */
};

struct tlbe_priv {
	struct tlbe_ref ref; /* TLB0 only -- TLB1 uses tlb_refs */
};

struct vcpu_id_table;

struct kvmppc_e500_tlb_params {
	int entries, ways, sets;
};

struct kvmppc_vcpu_e500 {
	/* Unmodified copy of the guest's TLB -- shared with host userspace. */
	struct kvm_book3e_206_tlb_entry *gtlb_arch;

	/* Starting entry number in gtlb_arch[] */
	int gtlb_offset[E500_TLB_NUM];

	/* KVM internal information associated with each guest TLB entry */
	struct tlbe_priv *gtlb_priv[E500_TLB_NUM];

	struct kvmppc_e500_tlb_params gtlb_params[E500_TLB_NUM];

	unsigned int gtlb_nv[E500_TLB_NUM];

	/*
	 * information associated with each host TLB entry --
	 * TLB1 only for now.  If/when guest TLB1 entries can be
	 * mapped with host TLB0, this will be used for that too.
	 *
	 * We don't want to use this for guest TLB0 because then we'd
	 * have the overhead of doing the translation again even if
	 * the entry is still in the guest TLB (e.g. we swapped out
	 * and back, and our host TLB entries got evicted).
	 */
	struct tlbe_ref *tlb_refs[E500_TLB_NUM];
	unsigned int host_tlb1_nv;

	u32 host_pid[E500_PID_NUM];
	u32 pid[E500_PID_NUM];
	u32 svr;

	/* vcpu id table */
	struct vcpu_id_table *idt;

	u32 l1csr0;
	u32 l1csr1;
	u32 hid0;
	u32 hid1;
	u32 tlb0cfg;
	u32 tlb1cfg;
	u64 mcar;

	struct page **shared_tlb_pages;
	int num_shared_tlb_pages;

	struct kvm_vcpu vcpu;
};

static inline struct kvmppc_vcpu_e500 *to_e500(struct kvm_vcpu *vcpu)
{
	return container_of(vcpu, struct kvmppc_vcpu_e500, vcpu);
}

/* This geometry is the legacy default -- can be overridden by userspace */
#define KVM_E500_TLB0_WAY_SIZE		128
+0 −1
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@@ -14,7 +14,6 @@

#include <asm/kvm_ppc.h>
#include <asm/disassemble.h>
#include <asm/kvm_e500.h>

#include "booke.h"
#include "e500.h"
+0 −1
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@@ -26,7 +26,6 @@
#include <linux/vmalloc.h>
#include <linux/hugetlb.h>
#include <asm/kvm_ppc.h>
#include <asm/kvm_e500.h>

#include "../mm/mmu_decl.h"
#include "e500.h"