diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_64_mmu_radix.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_64_mmu_radix.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c index 2d415c36a61d..da857c8ba6e4 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_radix.c +++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c @@ -19,6 +19,8 @@ #include <asm/pgtable.h> #include <asm/pgalloc.h> #include <asm/pte-walk.h> +#include <asm/ultravisor.h> +#include <asm/kvm_book3s_uvmem.h> /* * Supported radix tree geometry. @@ -915,6 +917,9 @@ int kvmppc_book3s_radix_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu, if (!(dsisr & DSISR_PRTABLE_FAULT)) gpa |= ea & 0xfff; + if (kvm->arch.secure_guest & KVMPPC_SECURE_INIT_DONE) + return kvmppc_send_page_to_uv(kvm, gfn); + /* Get the corresponding memslot */ memslot = gfn_to_memslot(kvm, gfn); @@ -972,6 +977,11 @@ int kvm_unmap_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, unsigned long gpa = gfn << PAGE_SHIFT; unsigned int shift; + if (kvm->arch.secure_guest & KVMPPC_SECURE_INIT_DONE) { + uv_page_inval(kvm->arch.lpid, gpa, PAGE_SHIFT); + return 0; + } + ptep = __find_linux_pte(kvm->arch.pgtable, gpa, NULL, &shift); if (ptep && pte_present(*ptep)) kvmppc_unmap_pte(kvm, ptep, gpa, shift, memslot, @@ -989,6 +999,9 @@ int kvm_age_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, int ref = 0; unsigned long old, *rmapp; + if (kvm->arch.secure_guest & KVMPPC_SECURE_INIT_DONE) + return ref; + ptep = __find_linux_pte(kvm->arch.pgtable, gpa, NULL, &shift); if (ptep && pte_present(*ptep) && pte_young(*ptep)) { old = kvmppc_radix_update_pte(kvm, ptep, _PAGE_ACCESSED, 0, @@ -1013,6 +1026,9 @@ int kvm_test_age_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, unsigned int shift; int ref = 0; + if (kvm->arch.secure_guest & KVMPPC_SECURE_INIT_DONE) + return ref; + ptep = __find_linux_pte(kvm->arch.pgtable, gpa, NULL, &shift); if (ptep && pte_present(*ptep) && pte_young(*ptep)) ref = 1; @@ -1030,6 +1046,9 @@ static int kvm_radix_test_clear_dirty(struct kvm *kvm, int ret = 0; unsigned long old, *rmapp; + if (kvm->arch.secure_guest & KVMPPC_SECURE_INIT_DONE) + return ret; + ptep = __find_linux_pte(kvm->arch.pgtable, gpa, NULL, &shift); if (ptep && pte_present(*ptep) && pte_dirty(*ptep)) { ret = 1; @@ -1082,6 +1101,12 @@ void kvmppc_radix_flush_memslot(struct kvm *kvm, unsigned long gpa; unsigned int shift; + if (kvm->arch.secure_guest & KVMPPC_SECURE_INIT_START) + kvmppc_uvmem_drop_pages(memslot, kvm); + + if (kvm->arch.secure_guest & KVMPPC_SECURE_INIT_DONE) + return; + gpa = memslot->base_gfn << PAGE_SHIFT; spin_lock(&kvm->mmu_lock); for (n = memslot->npages; n; --n) { |