From: Scott Wood Date: Tue, 20 Dec 2011 15:34:29 +0000 (+0000) Subject: KVM: PPC: e500: rename e500_tlb.h to e500.h X-Git-Tag: v3.5-rc1~88^2~88 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=29a5a6f9102aed97a06aa984cc294e0e603b3a79;p=~emulex%2Finfiniband.git KVM: PPC: e500: rename e500_tlb.h to e500.h This is in preparation for merging in the contents of arch/powerpc/include/asm/kvm_e500.h. Signed-off-by: Scott Wood Signed-off-by: Alexander Graf Signed-off-by: Avi Kivity --- diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c index ac6c9ae14a6..5c450ba003b 100644 --- a/arch/powerpc/kvm/e500.c +++ b/arch/powerpc/kvm/e500.c @@ -24,7 +24,7 @@ #include #include "booke.h" -#include "e500_tlb.h" +#include "e500.h" void kvmppc_core_load_host_debugstate(struct kvm_vcpu *vcpu) { diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h new file mode 100644 index 00000000000..02ecde261bc --- /dev/null +++ b/arch/powerpc/kvm/e500.h @@ -0,0 +1,174 @@ +/* + * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved. + * + * Author: Yu Liu, yu.liu@freescale.com + * + * Description: + * This file is based on arch/powerpc/kvm/44x_tlb.h, + * by Hollis Blanchard . + * + * 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 KVM_E500_H +#define KVM_E500_H + +#include +#include +#include +#include + +/* This geometry is the legacy default -- can be overridden by userspace */ +#define KVM_E500_TLB0_WAY_SIZE 128 +#define KVM_E500_TLB0_WAY_NUM 2 + +#define KVM_E500_TLB0_SIZE (KVM_E500_TLB0_WAY_SIZE * KVM_E500_TLB0_WAY_NUM) +#define KVM_E500_TLB1_SIZE 16 + +#define index_of(tlbsel, esel) (((tlbsel) << 16) | ((esel) & 0xFFFF)) +#define tlbsel_of(index) ((index) >> 16) +#define esel_of(index) ((index) & 0xFFFF) + +#define E500_TLB_USER_PERM_MASK (MAS3_UX|MAS3_UR|MAS3_UW) +#define E500_TLB_SUPER_PERM_MASK (MAS3_SX|MAS3_SR|MAS3_SW) +#define MAS2_ATTRIB_MASK \ + (MAS2_X0 | MAS2_X1) +#define MAS3_ATTRIB_MASK \ + (MAS3_U0 | MAS3_U1 | MAS3_U2 | MAS3_U3 \ + | E500_TLB_USER_PERM_MASK | E500_TLB_SUPER_PERM_MASK) + +extern void kvmppc_dump_tlbs(struct kvm_vcpu *); +extern int kvmppc_e500_emul_mt_mmucsr0(struct kvmppc_vcpu_e500 *, ulong); +extern int kvmppc_e500_emul_tlbwe(struct kvm_vcpu *); +extern int kvmppc_e500_emul_tlbre(struct kvm_vcpu *); +extern int kvmppc_e500_emul_tlbivax(struct kvm_vcpu *, int, int); +extern int kvmppc_e500_emul_tlbsx(struct kvm_vcpu *, int); +extern int kvmppc_e500_tlb_search(struct kvm_vcpu *, gva_t, unsigned int, int); +extern void kvmppc_e500_tlb_put(struct kvm_vcpu *); +extern void kvmppc_e500_tlb_load(struct kvm_vcpu *, int); +extern int kvmppc_e500_tlb_init(struct kvmppc_vcpu_e500 *); +extern void kvmppc_e500_tlb_uninit(struct kvmppc_vcpu_e500 *); +extern void kvmppc_e500_tlb_setup(struct kvmppc_vcpu_e500 *); +extern void kvmppc_e500_recalc_shadow_pid(struct kvmppc_vcpu_e500 *); + +/* TLB helper functions */ +static inline unsigned int +get_tlb_size(const struct kvm_book3e_206_tlb_entry *tlbe) +{ + return (tlbe->mas1 >> 7) & 0x1f; +} + +static inline gva_t get_tlb_eaddr(const struct kvm_book3e_206_tlb_entry *tlbe) +{ + return tlbe->mas2 & 0xfffff000; +} + +static inline u64 get_tlb_bytes(const struct kvm_book3e_206_tlb_entry *tlbe) +{ + unsigned int pgsize = get_tlb_size(tlbe); + return 1ULL << 10 << pgsize; +} + +static inline gva_t get_tlb_end(const struct kvm_book3e_206_tlb_entry *tlbe) +{ + u64 bytes = get_tlb_bytes(tlbe); + return get_tlb_eaddr(tlbe) + bytes - 1; +} + +static inline u64 get_tlb_raddr(const struct kvm_book3e_206_tlb_entry *tlbe) +{ + return tlbe->mas7_3 & ~0xfffULL; +} + +static inline unsigned int +get_tlb_tid(const struct kvm_book3e_206_tlb_entry *tlbe) +{ + return (tlbe->mas1 >> 16) & 0xff; +} + +static inline unsigned int +get_tlb_ts(const struct kvm_book3e_206_tlb_entry *tlbe) +{ + return (tlbe->mas1 >> 12) & 0x1; +} + +static inline unsigned int +get_tlb_v(const struct kvm_book3e_206_tlb_entry *tlbe) +{ + return (tlbe->mas1 >> 31) & 0x1; +} + +static inline unsigned int +get_tlb_iprot(const struct kvm_book3e_206_tlb_entry *tlbe) +{ + return (tlbe->mas1 >> 30) & 0x1; +} + +static inline unsigned int get_cur_pid(struct kvm_vcpu *vcpu) +{ + return vcpu->arch.pid & 0xff; +} + +static inline unsigned int get_cur_as(struct kvm_vcpu *vcpu) +{ + return !!(vcpu->arch.shared->msr & (MSR_IS | MSR_DS)); +} + +static inline unsigned int get_cur_pr(struct kvm_vcpu *vcpu) +{ + return !!(vcpu->arch.shared->msr & MSR_PR); +} + +static inline unsigned int get_cur_spid(const struct kvm_vcpu *vcpu) +{ + return (vcpu->arch.shared->mas6 >> 16) & 0xff; +} + +static inline unsigned int get_cur_sas(const struct kvm_vcpu *vcpu) +{ + return vcpu->arch.shared->mas6 & 0x1; +} + +static inline unsigned int get_tlb_tlbsel(const struct kvm_vcpu *vcpu) +{ + /* + * Manual says that tlbsel has 2 bits wide. + * Since we only have two TLBs, only lower bit is used. + */ + return (vcpu->arch.shared->mas0 >> 28) & 0x1; +} + +static inline unsigned int get_tlb_nv_bit(const struct kvm_vcpu *vcpu) +{ + return vcpu->arch.shared->mas0 & 0xfff; +} + +static inline unsigned int get_tlb_esel_bit(const struct kvm_vcpu *vcpu) +{ + return (vcpu->arch.shared->mas0 >> 16) & 0xfff; +} + +static inline int tlbe_is_host_safe(const struct kvm_vcpu *vcpu, + const struct kvm_book3e_206_tlb_entry *tlbe) +{ + gpa_t gpa; + + if (!get_tlb_v(tlbe)) + return 0; + + /* Does it match current guest AS? */ + /* XXX what about IS != DS? */ + if (get_tlb_ts(tlbe) != !!(vcpu->arch.shared->msr & MSR_IS)) + return 0; + + gpa = get_tlb_raddr(tlbe); + if (!gfn_to_memslot(vcpu->kvm, gpa >> PAGE_SHIFT)) + /* Mapping is not for RAM. */ + return 0; + + return 1; +} + +#endif /* KVM_E500_H */ diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c index 6d0b2bd54fb..2a1a2282206 100644 --- a/arch/powerpc/kvm/e500_emulate.c +++ b/arch/powerpc/kvm/e500_emulate.c @@ -17,7 +17,7 @@ #include #include "booke.h" -#include "e500_tlb.h" +#include "e500.h" #define XOP_TLBIVAX 786 #define XOP_TLBSX 914 diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c index 6e53e4164de..1d623a085dc 100644 --- a/arch/powerpc/kvm/e500_tlb.c +++ b/arch/powerpc/kvm/e500_tlb.c @@ -29,7 +29,7 @@ #include #include "../mm/mmu_decl.h" -#include "e500_tlb.h" +#include "e500.h" #include "trace.h" #include "timing.h" diff --git a/arch/powerpc/kvm/e500_tlb.h b/arch/powerpc/kvm/e500_tlb.h deleted file mode 100644 index 5c6d2d7bf05..00000000000 --- a/arch/powerpc/kvm/e500_tlb.h +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved. - * - * Author: Yu Liu, yu.liu@freescale.com - * - * Description: - * This file is based on arch/powerpc/kvm/44x_tlb.h, - * by Hollis Blanchard . - * - * 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 __KVM_E500_TLB_H__ -#define __KVM_E500_TLB_H__ - -#include -#include -#include -#include - -/* This geometry is the legacy default -- can be overridden by userspace */ -#define KVM_E500_TLB0_WAY_SIZE 128 -#define KVM_E500_TLB0_WAY_NUM 2 - -#define KVM_E500_TLB0_SIZE (KVM_E500_TLB0_WAY_SIZE * KVM_E500_TLB0_WAY_NUM) -#define KVM_E500_TLB1_SIZE 16 - -#define index_of(tlbsel, esel) (((tlbsel) << 16) | ((esel) & 0xFFFF)) -#define tlbsel_of(index) ((index) >> 16) -#define esel_of(index) ((index) & 0xFFFF) - -#define E500_TLB_USER_PERM_MASK (MAS3_UX|MAS3_UR|MAS3_UW) -#define E500_TLB_SUPER_PERM_MASK (MAS3_SX|MAS3_SR|MAS3_SW) -#define MAS2_ATTRIB_MASK \ - (MAS2_X0 | MAS2_X1) -#define MAS3_ATTRIB_MASK \ - (MAS3_U0 | MAS3_U1 | MAS3_U2 | MAS3_U3 \ - | E500_TLB_USER_PERM_MASK | E500_TLB_SUPER_PERM_MASK) - -extern void kvmppc_dump_tlbs(struct kvm_vcpu *); -extern int kvmppc_e500_emul_mt_mmucsr0(struct kvmppc_vcpu_e500 *, ulong); -extern int kvmppc_e500_emul_tlbwe(struct kvm_vcpu *); -extern int kvmppc_e500_emul_tlbre(struct kvm_vcpu *); -extern int kvmppc_e500_emul_tlbivax(struct kvm_vcpu *, int, int); -extern int kvmppc_e500_emul_tlbsx(struct kvm_vcpu *, int); -extern int kvmppc_e500_tlb_search(struct kvm_vcpu *, gva_t, unsigned int, int); -extern void kvmppc_e500_tlb_put(struct kvm_vcpu *); -extern void kvmppc_e500_tlb_load(struct kvm_vcpu *, int); -extern int kvmppc_e500_tlb_init(struct kvmppc_vcpu_e500 *); -extern void kvmppc_e500_tlb_uninit(struct kvmppc_vcpu_e500 *); -extern void kvmppc_e500_tlb_setup(struct kvmppc_vcpu_e500 *); -extern void kvmppc_e500_recalc_shadow_pid(struct kvmppc_vcpu_e500 *); - -/* TLB helper functions */ -static inline unsigned int -get_tlb_size(const struct kvm_book3e_206_tlb_entry *tlbe) -{ - return (tlbe->mas1 >> 7) & 0x1f; -} - -static inline gva_t get_tlb_eaddr(const struct kvm_book3e_206_tlb_entry *tlbe) -{ - return tlbe->mas2 & 0xfffff000; -} - -static inline u64 get_tlb_bytes(const struct kvm_book3e_206_tlb_entry *tlbe) -{ - unsigned int pgsize = get_tlb_size(tlbe); - return 1ULL << 10 << pgsize; -} - -static inline gva_t get_tlb_end(const struct kvm_book3e_206_tlb_entry *tlbe) -{ - u64 bytes = get_tlb_bytes(tlbe); - return get_tlb_eaddr(tlbe) + bytes - 1; -} - -static inline u64 get_tlb_raddr(const struct kvm_book3e_206_tlb_entry *tlbe) -{ - return tlbe->mas7_3 & ~0xfffULL; -} - -static inline unsigned int -get_tlb_tid(const struct kvm_book3e_206_tlb_entry *tlbe) -{ - return (tlbe->mas1 >> 16) & 0xff; -} - -static inline unsigned int -get_tlb_ts(const struct kvm_book3e_206_tlb_entry *tlbe) -{ - return (tlbe->mas1 >> 12) & 0x1; -} - -static inline unsigned int -get_tlb_v(const struct kvm_book3e_206_tlb_entry *tlbe) -{ - return (tlbe->mas1 >> 31) & 0x1; -} - -static inline unsigned int -get_tlb_iprot(const struct kvm_book3e_206_tlb_entry *tlbe) -{ - return (tlbe->mas1 >> 30) & 0x1; -} - -static inline unsigned int get_cur_pid(struct kvm_vcpu *vcpu) -{ - return vcpu->arch.pid & 0xff; -} - -static inline unsigned int get_cur_as(struct kvm_vcpu *vcpu) -{ - return !!(vcpu->arch.shared->msr & (MSR_IS | MSR_DS)); -} - -static inline unsigned int get_cur_pr(struct kvm_vcpu *vcpu) -{ - return !!(vcpu->arch.shared->msr & MSR_PR); -} - -static inline unsigned int get_cur_spid(const struct kvm_vcpu *vcpu) -{ - return (vcpu->arch.shared->mas6 >> 16) & 0xff; -} - -static inline unsigned int get_cur_sas(const struct kvm_vcpu *vcpu) -{ - return vcpu->arch.shared->mas6 & 0x1; -} - -static inline unsigned int get_tlb_tlbsel(const struct kvm_vcpu *vcpu) -{ - /* - * Manual says that tlbsel has 2 bits wide. - * Since we only have two TLBs, only lower bit is used. - */ - return (vcpu->arch.shared->mas0 >> 28) & 0x1; -} - -static inline unsigned int get_tlb_nv_bit(const struct kvm_vcpu *vcpu) -{ - return vcpu->arch.shared->mas0 & 0xfff; -} - -static inline unsigned int get_tlb_esel_bit(const struct kvm_vcpu *vcpu) -{ - return (vcpu->arch.shared->mas0 >> 16) & 0xfff; -} - -static inline int tlbe_is_host_safe(const struct kvm_vcpu *vcpu, - const struct kvm_book3e_206_tlb_entry *tlbe) -{ - gpa_t gpa; - - if (!get_tlb_v(tlbe)) - return 0; - - /* Does it match current guest AS? */ - /* XXX what about IS != DS? */ - if (get_tlb_ts(tlbe) != !!(vcpu->arch.shared->msr & MSR_IS)) - return 0; - - gpa = get_tlb_raddr(tlbe); - if (!gfn_to_memslot(vcpu->kvm, gpa >> PAGE_SHIFT)) - /* Mapping is not for RAM. */ - return 0; - - return 1; -} - -#endif /* __KVM_E500_TLB_H__ */