arch/powerpc/include/asm/kvm_e500.h

   1 /*
   2  * Copyright (C) 2008-2011 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 #define E500_TLB_VALID 1
  33 #define E500_TLB_DIRTY 2
  34
  35 struct tlbe_priv {
  36         pfn_t pfn;
  37         unsigned int flags; /* E500_TLB_* */
  38 };
  39
  40 struct vcpu_id_table;
  41
  42 struct kvmppc_vcpu_e500 {
  43         /* Unmodified copy of the guest's TLB. */
  44         struct tlbe *gtlb_arch[E500_TLB_NUM];
  45
  46         /* KVM internal information associated with each guest TLB entry */
  47         struct tlbe_priv *gtlb_priv[E500_TLB_NUM];
  48
  49         unsigned int gtlb_size[E500_TLB_NUM];
  50         unsigned int gtlb_nv[E500_TLB_NUM];
  51
  52         u32 host_pid[E500_PID_NUM];
  53         u32 pid[E500_PID_NUM];
  54         u32 svr;
  55
  56         u32 mas0;
  57         u32 mas1;
  58         u32 mas2;
  59         u32 mas3;
  60         u32 mas4;
  61         u32 mas5;
  62         u32 mas6;
  63         u32 mas7;
  64
  65         /* vcpu id table */
  66         struct vcpu_id_table *idt;
  67
  68         u32 l1csr0;
  69         u32 l1csr1;
  70         u32 hid0;
  71         u32 hid1;
  72         u32 tlb0cfg;
  73         u32 tlb1cfg;
  74         u64 mcar;
  75
  76         struct kvm_vcpu vcpu;
  77 };
  78
  79 static inline struct kvmppc_vcpu_e500 *to_e500(struct kvm_vcpu *vcpu)
  80 {
  81         return container_of(vcpu, struct kvmppc_vcpu_e500, vcpu);
  82 }
  83
  84 #endif /* __ASM_KVM_E500_H__ */