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Thu, 14 Mar 2024 16:26:45 -0700 (PDT) Date: Thu, 14 Mar 2024 16:26:22 -0700 In-Reply-To: <20240314232637.2538648-1-seanjc@google.com> Mime-Version: 1.0 References: <20240314232637.2538648-1-seanjc@google.com> X-Mailer: git-send-email 2.44.0.291.gc1ea87d7ee-goog Message-ID: <20240314232637.2538648-4-seanjc@google.com> Subject: [PATCH 03/18] KVM: selftests: Move GDT, IDT, and TSS fields to x86's kvm_vm_arch From: Sean Christopherson To: Marc Zyngier , Oliver Upton , Paolo Bonzini , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Sean Christopherson , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Ackerley Tng X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240314_162649_993819_69124192 X-CRM114-Status: GOOD ( 13.27 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Sean Christopherson Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Now that kvm_vm_arch exists, move the GDT, IDT, and TSS fields to x86's implementation, as the structures are firmly x86-only. Signed-off-by: Sean Christopherson --- .../testing/selftests/kvm/include/kvm_util.h | 3 --- .../kvm/include/x86_64/kvm_util_arch.h | 6 +++++ .../selftests/kvm/lib/x86_64/processor.c | 22 +++++++++---------- .../kvm/x86_64/svm_nested_shutdown_test.c | 2 +- .../kvm/x86_64/svm_nested_soft_inject_test.c | 2 +- 5 files changed, 19 insertions(+), 16 deletions(-) diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h index acdcddf78e3f..58d6a4d6ce4f 100644 --- a/tools/testing/selftests/kvm/include/kvm_util.h +++ b/tools/testing/selftests/kvm/include/kvm_util.h @@ -94,9 +94,6 @@ struct kvm_vm { bool pgd_created; vm_paddr_t ucall_mmio_addr; vm_paddr_t pgd; - vm_vaddr_t gdt; - vm_vaddr_t tss; - vm_vaddr_t idt; vm_vaddr_t handlers; uint32_t dirty_ring_size; uint64_t gpa_tag_mask; diff --git a/tools/testing/selftests/kvm/include/x86_64/kvm_util_arch.h b/tools/testing/selftests/kvm/include/x86_64/kvm_util_arch.h index 9f1725192aa2..b14ff3a88b4a 100644 --- a/tools/testing/selftests/kvm/include/x86_64/kvm_util_arch.h +++ b/tools/testing/selftests/kvm/include/x86_64/kvm_util_arch.h @@ -5,7 +5,13 @@ #include #include +#include "kvm_util_types.h" + struct kvm_vm_arch { + vm_vaddr_t gdt; + vm_vaddr_t tss; + vm_vaddr_t idt; + uint64_t c_bit; uint64_t s_bit; int sev_fd; diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c index 74a4c736c9ae..45f965c052a1 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/processor.c +++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c @@ -417,7 +417,7 @@ static void kvm_seg_set_unusable(struct kvm_segment *segp) static void kvm_seg_fill_gdt_64bit(struct kvm_vm *vm, struct kvm_segment *segp) { - void *gdt = addr_gva2hva(vm, vm->gdt); + void *gdt = addr_gva2hva(vm, vm->arch.gdt); struct desc64 *desc = gdt + (segp->selector >> 3) * 8; desc->limit0 = segp->limit & 0xFFFF; @@ -518,21 +518,21 @@ vm_paddr_t addr_arch_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva) static void kvm_setup_gdt(struct kvm_vm *vm, struct kvm_dtable *dt) { - if (!vm->gdt) - vm->gdt = __vm_vaddr_alloc_page(vm, MEM_REGION_DATA); + if (!vm->arch.gdt) + vm->arch.gdt = __vm_vaddr_alloc_page(vm, MEM_REGION_DATA); - dt->base = vm->gdt; + dt->base = vm->arch.gdt; dt->limit = getpagesize(); } static void kvm_setup_tss_64bit(struct kvm_vm *vm, struct kvm_segment *segp, int selector) { - if (!vm->tss) - vm->tss = __vm_vaddr_alloc_page(vm, MEM_REGION_DATA); + if (!vm->arch.tss) + vm->arch.tss = __vm_vaddr_alloc_page(vm, MEM_REGION_DATA); memset(segp, 0, sizeof(*segp)); - segp->base = vm->tss; + segp->base = vm->arch.tss; segp->limit = 0x67; segp->selector = selector; segp->type = 0xb; @@ -1091,7 +1091,7 @@ static void set_idt_entry(struct kvm_vm *vm, int vector, unsigned long addr, int dpl, unsigned short selector) { struct idt_entry *base = - (struct idt_entry *)addr_gva2hva(vm, vm->idt); + (struct idt_entry *)addr_gva2hva(vm, vm->arch.idt); struct idt_entry *e = &base[vector]; memset(e, 0, sizeof(*e)); @@ -1144,7 +1144,7 @@ void vm_init_descriptor_tables(struct kvm_vm *vm) extern void *idt_handlers; int i; - vm->idt = __vm_vaddr_alloc_page(vm, MEM_REGION_DATA); + vm->arch.idt = __vm_vaddr_alloc_page(vm, MEM_REGION_DATA); vm->handlers = __vm_vaddr_alloc_page(vm, MEM_REGION_DATA); /* Handlers have the same address in both address spaces.*/ for (i = 0; i < NUM_INTERRUPTS; i++) @@ -1158,9 +1158,9 @@ void vcpu_init_descriptor_tables(struct kvm_vcpu *vcpu) struct kvm_sregs sregs; vcpu_sregs_get(vcpu, &sregs); - sregs.idt.base = vm->idt; + sregs.idt.base = vm->arch.idt; sregs.idt.limit = NUM_INTERRUPTS * sizeof(struct idt_entry) - 1; - sregs.gdt.base = vm->gdt; + sregs.gdt.base = vm->arch.gdt; sregs.gdt.limit = getpagesize() - 1; kvm_seg_set_kernel_data_64bit(NULL, DEFAULT_DATA_SELECTOR, &sregs.gs); vcpu_sregs_set(vcpu, &sregs); diff --git a/tools/testing/selftests/kvm/x86_64/svm_nested_shutdown_test.c b/tools/testing/selftests/kvm/x86_64/svm_nested_shutdown_test.c index d6fcdcc3af31..f4a1137e04ab 100644 --- a/tools/testing/selftests/kvm/x86_64/svm_nested_shutdown_test.c +++ b/tools/testing/selftests/kvm/x86_64/svm_nested_shutdown_test.c @@ -53,7 +53,7 @@ int main(int argc, char *argv[]) vcpu_alloc_svm(vm, &svm_gva); - vcpu_args_set(vcpu, 2, svm_gva, vm->idt); + vcpu_args_set(vcpu, 2, svm_gva, vm->arch.idt); vcpu_run(vcpu); TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_SHUTDOWN); diff --git a/tools/testing/selftests/kvm/x86_64/svm_nested_soft_inject_test.c b/tools/testing/selftests/kvm/x86_64/svm_nested_soft_inject_test.c index 0c7ce3d4e83a..2478a9e50743 100644 --- a/tools/testing/selftests/kvm/x86_64/svm_nested_soft_inject_test.c +++ b/tools/testing/selftests/kvm/x86_64/svm_nested_soft_inject_test.c @@ -166,7 +166,7 @@ static void run_test(bool is_nmi) idt_alt_vm = vm_vaddr_alloc_page(vm); idt_alt = addr_gva2hva(vm, idt_alt_vm); - idt = addr_gva2hva(vm, vm->idt); + idt = addr_gva2hva(vm, vm->arch.idt); memcpy(idt_alt, idt, getpagesize()); } else { idt_alt_vm = 0; -- 2.44.0.291.gc1ea87d7ee-goog _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv