release/src-rt-6.x.4708/linux/linux-2.6.36/arch/powerpc/include/asm/kvm_e500.h

   1 /*
   2  * Copyright (C) 2008 Freescale Semiconductor, Inc. All rights reserved.
   3  *
   4  * Author: Yu Liu, <yu.liu@freescale.com>
   5  *
   6  * Description:
   7  * This file is derived from arch/powerpc/include/asm/kvm_44x.h,
   8  * by Hollis Blanchard <hollisb@us.ibm.com>.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License, version 2, as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #ifndef __ASM_KVM_E500_H__
  16 #define __ASM_KVM_E500_H__
  17
  18 #include <linux/kvm_host.h>
  19
  20 #define BOOKE_INTERRUPT_SIZE 36
  21
  22 #define E500_PID_NUM   3
  23 #define E500_TLB_NUM   2
  24
  25 struct tlbe{
  26         u32 mas1;
  27         u32 mas2;
  28         u32 mas3;
  29         u32 mas7;
  30 };
  31
  32 struct kvmppc_vcpu_e500 {
  33         /* Unmodified copy of the guest's TLB. */
  34         struct tlbe *guest_tlb[E500_TLB_NUM];
  35         /* TLB that's actually used when the guest is running. */
  36         struct tlbe *shadow_tlb[E500_TLB_NUM];
  37         /* Pages which are referenced in the shadow TLB. */
  38         struct page **shadow_pages[E500_TLB_NUM];
  39
  40         unsigned int guest_tlb_size[E500_TLB_NUM];
  41         unsigned int shadow_tlb_size[E500_TLB_NUM];
  42         unsigned int guest_tlb_nv[E500_TLB_NUM];
  43
  44         u32 host_pid[E500_PID_NUM];
  45         u32 pid[E500_PID_NUM];
  46
  47         u32 mas0;
  48         u32 mas1;
  49         u32 mas2;
  50         u32 mas3;
  51         u32 mas4;
  52         u32 mas5;
  53         u32 mas6;
  54         u32 mas7;
  55         u32 l1csr0;
  56         u32 l1csr1;
  57         u32 hid0;
  58         u32 hid1;
  59         u32 tlb0cfg;
  60         u32 tlb1cfg;
  61
  62         struct kvm_vcpu vcpu;
  63 };
  64
  65 static inline struct kvmppc_vcpu_e500 *to_e500(struct kvm_vcpu *vcpu)
  66 {
  67         return container_of(vcpu, struct kvmppc_vcpu_e500, vcpu);
  68 }
  69
  70 #endif /* __ASM_KVM_E500_H__ */