1 files changed, 0 insertions, 164 deletions
diff --git a/tools/testing/selftests/kvm/lib/x86_64/svm.c b/tools/testing/selftests/kvm/lib/x86_64/svm.c
deleted file mode 100644
index 5495a92dfd5a..000000000000
--- a/tools/testing/selftests/kvm/lib/x86_64/svm.c
+++ /dev/null
@@ -1,164 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * tools/testing/selftests/kvm/lib/x86_64/svm.c
- * Helpers used for nested SVM testing
- * Largely inspired from KVM unit test svm.c
- *
- * Copyright (C) 2020, Red Hat, Inc.
- */
-
-#include "test_util.h"
-#include "kvm_util.h"
-#include "processor.h"
-#include "svm_util.h"
-
-#define SEV_DEV_PATH "/dev/sev"
-
-struct gpr64_regs guest_regs;
-u64 rflags;
-
-/* Allocate memory regions for nested SVM tests.
- *
- * Input Args:
- *   vm - The VM to allocate guest-virtual addresses in.
- *
- * Output Args:
- *   p_svm_gva - The guest virtual address for the struct svm_test_data.
- *
- * Return:
- *   Pointer to structure with the addresses of the SVM areas.
- */
-struct svm_test_data *
-vcpu_alloc_svm(struct kvm_vm *vm, vm_vaddr_t *p_svm_gva)
-{
-	vm_vaddr_t svm_gva = vm_vaddr_alloc_page(vm);
-	struct svm_test_data *svm = addr_gva2hva(vm, svm_gva);
-
-	svm->vmcb = (void *)vm_vaddr_alloc_page(vm);
-	svm->vmcb_hva = addr_gva2hva(vm, (uintptr_t)svm->vmcb);
-	svm->vmcb_gpa = addr_gva2gpa(vm, (uintptr_t)svm->vmcb);
-
-	svm->save_area = (void *)vm_vaddr_alloc_page(vm);
-	svm->save_area_hva = addr_gva2hva(vm, (uintptr_t)svm->save_area);
-	svm->save_area_gpa = addr_gva2gpa(vm, (uintptr_t)svm->save_area);
-
-	svm->msr = (void *)vm_vaddr_alloc_page(vm);
-	svm->msr_hva = addr_gva2hva(vm, (uintptr_t)svm->msr);
-	svm->msr_gpa = addr_gva2gpa(vm, (uintptr_t)svm->msr);
-	memset(svm->msr_hva, 0, getpagesize());
-
-	*p_svm_gva = svm_gva;
-	return svm;
-}
-
-static void vmcb_set_seg(struct vmcb_seg *seg, u16 selector,
-			 u64 base, u32 limit, u32 attr)
-{
-	seg->selector = selector;
-	seg->attrib = attr;
-	seg->limit = limit;
-	seg->base = base;
-}
-
-void generic_svm_setup(struct svm_test_data *svm, void *guest_rip, void *guest_rsp)
-{
-	struct vmcb *vmcb = svm->vmcb;
-	uint64_t vmcb_gpa = svm->vmcb_gpa;
-	struct vmcb_save_area *save = &vmcb->save;
-	struct vmcb_control_area *ctrl = &vmcb->control;
-	u32 data_seg_attr = 3 | SVM_SELECTOR_S_MASK | SVM_SELECTOR_P_MASK
-	      | SVM_SELECTOR_DB_MASK | SVM_SELECTOR_G_MASK;
-	u32 code_seg_attr = 9 | SVM_SELECTOR_S_MASK | SVM_SELECTOR_P_MASK
-		| SVM_SELECTOR_L_MASK | SVM_SELECTOR_G_MASK;
-	uint64_t efer;
-
-	efer = rdmsr(MSR_EFER);
-	wrmsr(MSR_EFER, efer | EFER_SVME);
-	wrmsr(MSR_VM_HSAVE_PA, svm->save_area_gpa);
-
-	memset(vmcb, 0, sizeof(*vmcb));
-	asm volatile ("vmsave %0\n\t" : : "a" (vmcb_gpa) : "memory");
-	vmcb_set_seg(&save->es, get_es(), 0, -1U, data_seg_attr);
-	vmcb_set_seg(&save->cs, get_cs(), 0, -1U, code_seg_attr);
-	vmcb_set_seg(&save->ss, get_ss(), 0, -1U, data_seg_attr);
-	vmcb_set_seg(&save->ds, get_ds(), 0, -1U, data_seg_attr);
-	vmcb_set_seg(&save->gdtr, 0, get_gdt().address, get_gdt().size, 0);
-	vmcb_set_seg(&save->idtr, 0, get_idt().address, get_idt().size, 0);
-
-	ctrl->asid = 1;
-	save->cpl = 0;
-	save->efer = rdmsr(MSR_EFER);
-	asm volatile ("mov %%cr4, %0" : "=r"(save->cr4) : : "memory");
-	asm volatile ("mov %%cr3, %0" : "=r"(save->cr3) : : "memory");
-	asm volatile ("mov %%cr0, %0" : "=r"(save->cr0) : : "memory");
-	asm volatile ("mov %%dr7, %0" : "=r"(save->dr7) : : "memory");
-	asm volatile ("mov %%dr6, %0" : "=r"(save->dr6) : : "memory");
-	asm volatile ("mov %%cr2, %0" : "=r"(save->cr2) : : "memory");
-	save->g_pat = rdmsr(MSR_IA32_CR_PAT);
-	save->dbgctl = rdmsr(MSR_IA32_DEBUGCTLMSR);
-	ctrl->intercept = (1ULL << INTERCEPT_VMRUN) |
-				(1ULL << INTERCEPT_VMMCALL);
-	ctrl->msrpm_base_pa = svm->msr_gpa;
-
-	vmcb->save.rip = (u64)guest_rip;
-	vmcb->save.rsp = (u64)guest_rsp;
-	guest_regs.rdi = (u64)svm;
-}
-
-/*
- * save/restore 64-bit general registers except rax, rip, rsp
- * which are directly handed through the VMCB guest processor state
- */
-#define SAVE_GPR_C				\
-	"xchg %%rbx, guest_regs+0x20\n\t"	\
-	"xchg %%rcx, guest_regs+0x10\n\t"	\
-	"xchg %%rdx, guest_regs+0x18\n\t"	\
-	"xchg %%rbp, guest_regs+0x30\n\t"	\
-	"xchg %%rsi, guest_regs+0x38\n\t"	\
-	"xchg %%rdi, guest_regs+0x40\n\t"	\
-	"xchg %%r8,  guest_regs+0x48\n\t"	\
-	"xchg %%r9,  guest_regs+0x50\n\t"	\
-	"xchg %%r10, guest_regs+0x58\n\t"	\
-	"xchg %%r11, guest_regs+0x60\n\t"	\
-	"xchg %%r12, guest_regs+0x68\n\t"	\
-	"xchg %%r13, guest_regs+0x70\n\t"	\
-	"xchg %%r14, guest_regs+0x78\n\t"	\
-	"xchg %%r15, guest_regs+0x80\n\t"
-
-#define LOAD_GPR_C      SAVE_GPR_C
-
-/*
- * selftests do not use interrupts so we dropped clgi/sti/cli/stgi
- * for now. registers involved in LOAD/SAVE_GPR_C are eventually
- * unmodified so they do not need to be in the clobber list.
- */
-void run_guest(struct vmcb *vmcb, uint64_t vmcb_gpa)
-{
-	asm volatile (
-		"vmload %[vmcb_gpa]\n\t"
-		"mov rflags, %%r15\n\t"	// rflags
-		"mov %%r15, 0x170(%[vmcb])\n\t"
-		"mov guest_regs, %%r15\n\t"	// rax
-		"mov %%r15, 0x1f8(%[vmcb])\n\t"
-		LOAD_GPR_C
-		"vmrun %[vmcb_gpa]\n\t"
-		SAVE_GPR_C
-		"mov 0x170(%[vmcb]), %%r15\n\t"	// rflags
-		"mov %%r15, rflags\n\t"
-		"mov 0x1f8(%[vmcb]), %%r15\n\t"	// rax
-		"mov %%r15, guest_regs\n\t"
-		"vmsave %[vmcb_gpa]\n\t"
-		: : [vmcb] "r" (vmcb), [vmcb_gpa] "a" (vmcb_gpa)
-		: "r15", "memory");
-}
-
-/*
- * Open SEV_DEV_PATH if available, otherwise exit the entire program.
- *
- * Return:
- *   The opened file descriptor of /dev/sev.
- */
-int open_sev_dev_path_or_exit(void)
-{
-	return open_path_or_exit(SEV_DEV_PATH, 0);
-}