diff options
Diffstat (limited to 'arch/powerpc/kvm/44x_tlb.c')
| -rw-r--r-- | arch/powerpc/kvm/44x_tlb.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c index bb6da134cadb..8b65fbd6c57d 100644 --- a/arch/powerpc/kvm/44x_tlb.c +++ b/arch/powerpc/kvm/44x_tlb.c @@ -24,6 +24,7 @@ #include <linux/highmem.h> #include <asm/mmu-44x.h> #include <asm/kvm_ppc.h> +#include <asm/kvm_44x.h> #include "44x_tlb.h" @@ -43,7 +44,7 @@ void kvmppc_dump_tlbs(struct kvm_vcpu *vcpu) "nr", "tid", "word0", "word1", "word2"); for (i = 0; i < PPC44x_TLB_SIZE; i++) { - tlbe = &vcpu->arch.guest_tlb[i]; + tlbe = &vcpu_44x->guest_tlb[i]; if (tlbe->word0 & PPC44x_TLB_VALID) printk(" G%2d | %02X | %08X | %08X | %08X |\n", i, tlbe->tid, tlbe->word0, tlbe->word1, @@ -51,7 +52,7 @@ void kvmppc_dump_tlbs(struct kvm_vcpu *vcpu) } for (i = 0; i < PPC44x_TLB_SIZE; i++) { - tlbe = &vcpu->arch.shadow_tlb[i]; + tlbe = &vcpu_44x->shadow_tlb[i]; if (tlbe->word0 & PPC44x_TLB_VALID) printk(" S%2d | %02X | %08X | %08X | %08X |\n", i, tlbe->tid, tlbe->word0, tlbe->word1, @@ -82,11 +83,12 @@ static u32 kvmppc_44x_tlb_shadow_attrib(u32 attrib, int usermode) int kvmppc_44x_tlb_index(struct kvm_vcpu *vcpu, gva_t eaddr, unsigned int pid, unsigned int as) { + struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); int i; /* XXX Replace loop with fancy data structures. */ for (i = 0; i < PPC44x_TLB_SIZE; i++) { - struct kvmppc_44x_tlbe *tlbe = &vcpu->arch.guest_tlb[i]; + struct kvmppc_44x_tlbe *tlbe = &vcpu_44x->guest_tlb[i]; unsigned int tid; if (eaddr < get_tlb_eaddr(tlbe)) @@ -114,25 +116,27 @@ int kvmppc_44x_tlb_index(struct kvm_vcpu *vcpu, gva_t eaddr, unsigned int pid, struct kvmppc_44x_tlbe *kvmppc_44x_itlb_search(struct kvm_vcpu *vcpu, gva_t eaddr) { + struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); unsigned int as = !!(vcpu->arch.msr & MSR_IS); unsigned int index; index = kvmppc_44x_tlb_index(vcpu, eaddr, vcpu->arch.pid, as); if (index == -1) return NULL; - return &vcpu->arch.guest_tlb[index]; + return &vcpu_44x->guest_tlb[index]; } struct kvmppc_44x_tlbe *kvmppc_44x_dtlb_search(struct kvm_vcpu *vcpu, gva_t eaddr) { + struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); unsigned int as = !!(vcpu->arch.msr & MSR_DS); unsigned int index; index = kvmppc_44x_tlb_index(vcpu, eaddr, vcpu->arch.pid, as); if (index == -1) return NULL; - return &vcpu->arch.guest_tlb[index]; + return &vcpu_44x->guest_tlb[index]; } static int kvmppc_44x_tlbe_is_writable(struct kvmppc_44x_tlbe *tlbe) @@ -143,8 +147,9 @@ static int kvmppc_44x_tlbe_is_writable(struct kvmppc_44x_tlbe *tlbe) static void kvmppc_44x_shadow_release(struct kvm_vcpu *vcpu, unsigned int index) { - struct kvmppc_44x_tlbe *stlbe = &vcpu->arch.shadow_tlb[index]; - struct page *page = vcpu->arch.shadow_pages[index]; + struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); + struct kvmppc_44x_tlbe *stlbe = &vcpu_44x->shadow_tlb[index]; + struct page *page = vcpu_44x->shadow_pages[index]; if (get_tlb_v(stlbe)) { if (kvmppc_44x_tlbe_is_writable(stlbe)) @@ -164,7 +169,9 @@ void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu) void kvmppc_tlbe_set_modified(struct kvm_vcpu *vcpu, unsigned int i) { - vcpu->arch.shadow_tlb_mod[i] = 1; + struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); + + vcpu_44x->shadow_tlb_mod[i] = 1; } /* Caller must ensure that the specified guest TLB entry is safe to insert into @@ -172,6 +179,7 @@ void kvmppc_tlbe_set_modified(struct kvm_vcpu *vcpu, unsigned int i) void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid, u32 flags) { + struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); struct page *new_page; struct kvmppc_44x_tlbe *stlbe; hpa_t hpaddr; @@ -182,7 +190,7 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid, victim = kvmppc_tlb_44x_pos++; if (kvmppc_tlb_44x_pos > tlb_44x_hwater) kvmppc_tlb_44x_pos = 0; - stlbe = &vcpu->arch.shadow_tlb[victim]; + stlbe = &vcpu_44x->shadow_tlb[victim]; /* Get reference to new page. */ new_page = gfn_to_page(vcpu->kvm, gfn); @@ -196,7 +204,7 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid, /* Drop reference to old page. */ kvmppc_44x_shadow_release(vcpu, victim); - vcpu->arch.shadow_pages[victim] = new_page; + vcpu_44x->shadow_pages[victim] = new_page; /* XXX Make sure (va, size) doesn't overlap any other * entries. 440x6 user manual says the result would be @@ -224,12 +232,13 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid, static void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr, gva_t eend, u32 asid) { + struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); unsigned int pid = !(asid & 0xff); int i; /* XXX Replace loop with fancy data structures. */ for (i = 0; i <= tlb_44x_hwater; i++) { - struct kvmppc_44x_tlbe *stlbe = &vcpu->arch.shadow_tlb[i]; + struct kvmppc_44x_tlbe *stlbe = &vcpu_44x->shadow_tlb[i]; unsigned int tid; if (!get_tlb_v(stlbe)) @@ -259,12 +268,13 @@ static void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr, * switching address spaces. */ void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode) { + struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); int i; if (vcpu->arch.swap_pid) { /* XXX Replace loop with fancy data structures. */ for (i = 0; i <= tlb_44x_hwater; i++) { - struct kvmppc_44x_tlbe *stlbe = &vcpu->arch.shadow_tlb[i]; + struct kvmppc_44x_tlbe *stlbe = &vcpu_44x->shadow_tlb[i]; /* Future optimization: clear only userspace mappings. */ kvmppc_44x_shadow_release(vcpu, i); @@ -303,6 +313,7 @@ static int tlbe_is_host_safe(const struct kvm_vcpu *vcpu, int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws) { + struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); u64 eaddr; u64 raddr; u64 asid; @@ -317,7 +328,7 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws) return EMULATE_FAIL; } - tlbe = &vcpu->arch.guest_tlb[index]; + tlbe = &vcpu_44x->guest_tlb[index]; /* Invalidate shadow mappings for the about-to-be-clobbered TLBE. */ if (tlbe->word0 & PPC44x_TLB_VALID) { |