| /* |
| * 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 |
| |
| struct tlbe{ |
| u32 mas1; |
| u32 mas2; |
| u32 mas3; |
| u32 mas7; |
| }; |
| |
| #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. */ |
| struct tlbe *gtlb_arch[E500_TLB_NUM]; |
| |
| /* KVM internal information associated with each guest TLB entry */ |
| struct tlbe_priv *gtlb_priv[E500_TLB_NUM]; |
| |
| unsigned int gtlb_size[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; |
| |
| u32 mas0; |
| u32 mas1; |
| u32 mas2; |
| u32 mas3; |
| u32 mas4; |
| u32 mas5; |
| u32 mas6; |
| u32 mas7; |
| |
| /* vcpu id table */ |
| struct vcpu_id_table *idt; |
| |
| u32 l1csr0; |
| u32 l1csr1; |
| u32 hid0; |
| u32 hid1; |
| u32 tlb0cfg; |
| u32 tlb1cfg; |
| u64 mcar; |
| |
| 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__ */ |