lib/s390x/processor.c

13 void virt_arch_pgd_alloc(struct kvm_vm *vm)
17 	TEST_ASSERT(vm->page_size == 4096, "Unsupported page size: 0x%x",
18 		    vm->page_size);
20 	if (vm->pgd_created)
23 	paddr = vm_phy_pages_alloc(vm, PAGES_PER_REGION,
25 				   vm->memslots[MEM_REGION_PT]);
26 	memset(addr_gpa2hva(vm, paddr), 0xff, PAGES_PER_REGION * vm->page_size);
28 	vm->pgd = paddr;
29 	vm->pgd_created = true;
37 static uint64_t virt_alloc_region(struct kvm_vm *vm, int ri)
41 	taddr = vm_phy_pages_alloc(vm,  ri < 4 ? PAGES_PER_REGION : 1,
43 	memset(addr_gpa2hva(vm, taddr), 0xff, PAGES_PER_REGION * vm->page_size);
50 void virt_arch_pg_map(struct kvm_vm *vm, uint64_t gva, uint64_t gpa)
55 	TEST_ASSERT((gva % vm->page_size) == 0,
57 		"  vaddr: 0x%lx vm->page_size: 0x%x",
58 		gva, vm->page_size);
59 	TEST_ASSERT(sparsebit_is_set(vm->vpages_valid,
60 		(gva >> vm->page_shift)),
63 	TEST_ASSERT((gpa % vm->page_size) == 0,
65 		"  paddr: 0x%lx vm->page_size: 0x%x",
66 		gva, vm->page_size);
67 	TEST_ASSERT((gpa >> vm->page_shift) <= vm->max_gfn,
69 		"  paddr: 0x%lx vm->max_gfn: 0x%lx vm->page_size: 0x%x",
70 		gva, vm->max_gfn, vm->page_size);
73 	entry = addr_gpa2hva(vm, vm->pgd);
77 			entry[idx] = virt_alloc_region(vm, ri);
78 		entry = addr_gpa2hva(vm, entry[idx] & REGION_ENTRY_ORIGIN);
89 vm_paddr_t addr_arch_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva)
94 	TEST_ASSERT(vm->page_size == 4096, "Unsupported page size: 0x%x",
95 		    vm->page_size);
97 	entry = addr_gpa2hva(vm, vm->pgd);
101 			    "No region mapping for vm virtual address 0x%lx",
103 		entry = addr_gpa2hva(vm, entry[idx] & REGION_ENTRY_ORIGIN);
109 		    "No page mapping for vm virtual address 0x%lx", gva);
114 static void virt_dump_ptes(FILE *stream, struct kvm_vm *vm, uint8_t indent,
120 		pte = addr_gpa2hva(vm, ptea);
128 static void virt_dump_region(FILE *stream, struct kvm_vm *vm, uint8_t indent,
134 		entry = addr_gpa2hva(vm, addr);
141 			virt_dump_region(stream, vm, indent + 2,
144 			virt_dump_ptes(stream, vm, indent + 2,
150 void virt_arch_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent)
152 	if (!vm->pgd_created)
155 	virt_dump_region(stream, vm, indent, vm->pgd);
163 struct kvm_vcpu *vm_arch_vcpu_add(struct kvm_vm *vm, uint32_t vcpu_id)
171 	TEST_ASSERT(vm->page_size == 4096, "Unsupported page size: 0x%x",
172 		    vm->page_size);
174 	stack_vaddr = __vm_vaddr_alloc(vm, stack_size,
178 	vcpu = __vm_vcpu_add(vm, vcpu_id);
187 	sregs.crs[1] = vm->pgd | 0xf;		/* Primary region table */