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-rw-r--r--tools/testing/selftests/kvm/include/kvm_util.h14
-rw-r--r--tools/testing/selftests/kvm/include/test_util.h12
2 files changed, 21 insertions, 5 deletions
diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h
index a8f022794ce3..35739567189e 100644
--- a/tools/testing/selftests/kvm/include/kvm_util.h
+++ b/tools/testing/selftests/kvm/include/kvm_util.h
@@ -43,6 +43,7 @@ enum vm_guest_mode {
VM_MODE_P40V48_4K,
VM_MODE_P40V48_64K,
VM_MODE_PXXV48_4K, /* For 48bits VA but ANY bits PA */
+ VM_MODE_P47V64_4K,
NUM_VM_MODES,
};
@@ -60,7 +61,7 @@ enum vm_guest_mode {
#elif defined(__s390x__)
-#define VM_MODE_DEFAULT VM_MODE_P52V48_4K
+#define VM_MODE_DEFAULT VM_MODE_P47V64_4K
#define MIN_PAGE_SHIFT 12U
#define ptes_per_page(page_size) ((page_size) / 16)
@@ -77,6 +78,7 @@ struct vm_guest_mode_params {
};
extern const struct vm_guest_mode_params vm_guest_mode_params[];
+int open_kvm_dev_path_or_exit(void);
int kvm_check_cap(long cap);
int vm_enable_cap(struct kvm_vm *vm, struct kvm_enable_cap *cap);
int vcpu_enable_cap(struct kvm_vm *vm, uint32_t vcpu_id,
@@ -146,6 +148,7 @@ void virt_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
void *addr_gpa2hva(struct kvm_vm *vm, vm_paddr_t gpa);
void *addr_gva2hva(struct kvm_vm *vm, vm_vaddr_t gva);
vm_paddr_t addr_hva2gpa(struct kvm_vm *vm, void *hva);
+void *addr_gpa2alias(struct kvm_vm *vm, vm_paddr_t gpa);
/*
* Address Guest Virtual to Guest Physical
@@ -283,10 +286,11 @@ struct kvm_vm *vm_create_default_with_vcpus(uint32_t nr_vcpus, uint64_t extra_me
uint32_t num_percpu_pages, void *guest_code,
uint32_t vcpuids[]);
-/* Like vm_create_default_with_vcpus, but accepts mode as a parameter */
+/* Like vm_create_default_with_vcpus, but accepts mode and slot0 memory as a parameter */
struct kvm_vm *vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus,
- uint64_t extra_mem_pages, uint32_t num_percpu_pages,
- void *guest_code, uint32_t vcpuids[]);
+ uint64_t slot0_mem_pages, uint64_t extra_mem_pages,
+ uint32_t num_percpu_pages, void *guest_code,
+ uint32_t vcpuids[]);
/*
* Adds a vCPU with reasonable defaults (e.g. a stack)
@@ -302,7 +306,7 @@ bool vm_is_unrestricted_guest(struct kvm_vm *vm);
unsigned int vm_get_page_size(struct kvm_vm *vm);
unsigned int vm_get_page_shift(struct kvm_vm *vm);
-unsigned int vm_get_max_gfn(struct kvm_vm *vm);
+uint64_t vm_get_max_gfn(struct kvm_vm *vm);
int vm_get_fd(struct kvm_vm *vm);
unsigned int vm_calc_num_guest_pages(enum vm_guest_mode mode, size_t size);
diff --git a/tools/testing/selftests/kvm/include/test_util.h b/tools/testing/selftests/kvm/include/test_util.h
index fade3130eb01..d79be15dd3d2 100644
--- a/tools/testing/selftests/kvm/include/test_util.h
+++ b/tools/testing/selftests/kvm/include/test_util.h
@@ -17,6 +17,7 @@
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
+#include <sys/mman.h>
#include "kselftest.h"
static inline int _no_printf(const char *format, ...) { return 0; }
@@ -84,6 +85,8 @@ enum vm_mem_backing_src_type {
VM_MEM_SRC_ANONYMOUS_HUGETLB_1GB,
VM_MEM_SRC_ANONYMOUS_HUGETLB_2GB,
VM_MEM_SRC_ANONYMOUS_HUGETLB_16GB,
+ VM_MEM_SRC_SHMEM,
+ VM_MEM_SRC_SHARED_HUGETLB,
NUM_SRC_TYPES,
};
@@ -100,4 +103,13 @@ size_t get_backing_src_pagesz(uint32_t i);
void backing_src_help(void);
enum vm_mem_backing_src_type parse_backing_src_type(const char *type_name);
+/*
+ * Whether or not the given source type is shared memory (as opposed to
+ * anonymous).
+ */
+static inline bool backing_src_is_shared(enum vm_mem_backing_src_type t)
+{
+ return vm_mem_backing_src_alias(t)->flag & MAP_SHARED;
+}
+
#endif /* SELFTEST_KVM_TEST_UTIL_H */