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-rw-r--r--tools/testing/selftests/kvm/lib/test_util.c51
1 files changed, 35 insertions, 16 deletions
diff --git a/tools/testing/selftests/kvm/lib/test_util.c b/tools/testing/selftests/kvm/lib/test_util.c
index 63d2bc7d757b..af1031fed97f 100644
--- a/tools/testing/selftests/kvm/lib/test_util.c
+++ b/tools/testing/selftests/kvm/lib/test_util.c
@@ -166,72 +166,89 @@ size_t get_def_hugetlb_pagesz(void)
return 0;
}
+#define ANON_FLAGS (MAP_PRIVATE | MAP_ANONYMOUS)
+#define ANON_HUGE_FLAGS (ANON_FLAGS | MAP_HUGETLB)
+
const struct vm_mem_backing_src_alias *vm_mem_backing_src_alias(uint32_t i)
{
static const struct vm_mem_backing_src_alias aliases[] = {
[VM_MEM_SRC_ANONYMOUS] = {
.name = "anonymous",
- .flag = 0,
+ .flag = ANON_FLAGS,
},
[VM_MEM_SRC_ANONYMOUS_THP] = {
.name = "anonymous_thp",
- .flag = 0,
+ .flag = ANON_FLAGS,
},
[VM_MEM_SRC_ANONYMOUS_HUGETLB] = {
.name = "anonymous_hugetlb",
- .flag = MAP_HUGETLB,
+ .flag = ANON_HUGE_FLAGS,
},
[VM_MEM_SRC_ANONYMOUS_HUGETLB_16KB] = {
.name = "anonymous_hugetlb_16kb",
- .flag = MAP_HUGETLB | MAP_HUGE_16KB,
+ .flag = ANON_HUGE_FLAGS | MAP_HUGE_16KB,
},
[VM_MEM_SRC_ANONYMOUS_HUGETLB_64KB] = {
.name = "anonymous_hugetlb_64kb",
- .flag = MAP_HUGETLB | MAP_HUGE_64KB,
+ .flag = ANON_HUGE_FLAGS | MAP_HUGE_64KB,
},
[VM_MEM_SRC_ANONYMOUS_HUGETLB_512KB] = {
.name = "anonymous_hugetlb_512kb",
- .flag = MAP_HUGETLB | MAP_HUGE_512KB,
+ .flag = ANON_HUGE_FLAGS | MAP_HUGE_512KB,
},
[VM_MEM_SRC_ANONYMOUS_HUGETLB_1MB] = {
.name = "anonymous_hugetlb_1mb",
- .flag = MAP_HUGETLB | MAP_HUGE_1MB,
+ .flag = ANON_HUGE_FLAGS | MAP_HUGE_1MB,
},
[VM_MEM_SRC_ANONYMOUS_HUGETLB_2MB] = {
.name = "anonymous_hugetlb_2mb",
- .flag = MAP_HUGETLB | MAP_HUGE_2MB,
+ .flag = ANON_HUGE_FLAGS | MAP_HUGE_2MB,
},
[VM_MEM_SRC_ANONYMOUS_HUGETLB_8MB] = {
.name = "anonymous_hugetlb_8mb",
- .flag = MAP_HUGETLB | MAP_HUGE_8MB,
+ .flag = ANON_HUGE_FLAGS | MAP_HUGE_8MB,
},
[VM_MEM_SRC_ANONYMOUS_HUGETLB_16MB] = {
.name = "anonymous_hugetlb_16mb",
- .flag = MAP_HUGETLB | MAP_HUGE_16MB,
+ .flag = ANON_HUGE_FLAGS | MAP_HUGE_16MB,
},
[VM_MEM_SRC_ANONYMOUS_HUGETLB_32MB] = {
.name = "anonymous_hugetlb_32mb",
- .flag = MAP_HUGETLB | MAP_HUGE_32MB,
+ .flag = ANON_HUGE_FLAGS | MAP_HUGE_32MB,
},
[VM_MEM_SRC_ANONYMOUS_HUGETLB_256MB] = {
.name = "anonymous_hugetlb_256mb",
- .flag = MAP_HUGETLB | MAP_HUGE_256MB,
+ .flag = ANON_HUGE_FLAGS | MAP_HUGE_256MB,
},
[VM_MEM_SRC_ANONYMOUS_HUGETLB_512MB] = {
.name = "anonymous_hugetlb_512mb",
- .flag = MAP_HUGETLB | MAP_HUGE_512MB,
+ .flag = ANON_HUGE_FLAGS | MAP_HUGE_512MB,
},
[VM_MEM_SRC_ANONYMOUS_HUGETLB_1GB] = {
.name = "anonymous_hugetlb_1gb",
- .flag = MAP_HUGETLB | MAP_HUGE_1GB,
+ .flag = ANON_HUGE_FLAGS | MAP_HUGE_1GB,
},
[VM_MEM_SRC_ANONYMOUS_HUGETLB_2GB] = {
.name = "anonymous_hugetlb_2gb",
- .flag = MAP_HUGETLB | MAP_HUGE_2GB,
+ .flag = ANON_HUGE_FLAGS | MAP_HUGE_2GB,
},
[VM_MEM_SRC_ANONYMOUS_HUGETLB_16GB] = {
.name = "anonymous_hugetlb_16gb",
- .flag = MAP_HUGETLB | MAP_HUGE_16GB,
+ .flag = ANON_HUGE_FLAGS | MAP_HUGE_16GB,
+ },
+ [VM_MEM_SRC_SHMEM] = {
+ .name = "shmem",
+ .flag = MAP_SHARED,
+ },
+ [VM_MEM_SRC_SHARED_HUGETLB] = {
+ .name = "shared_hugetlb",
+ /*
+ * No MAP_HUGETLB, we use MFD_HUGETLB instead. Since
+ * we're using "file backed" memory, we need to specify
+ * this when the FD is created, not when the area is
+ * mapped.
+ */
+ .flag = MAP_SHARED,
},
};
_Static_assert(ARRAY_SIZE(aliases) == NUM_SRC_TYPES,
@@ -250,10 +267,12 @@ size_t get_backing_src_pagesz(uint32_t i)
switch (i) {
case VM_MEM_SRC_ANONYMOUS:
+ case VM_MEM_SRC_SHMEM:
return getpagesize();
case VM_MEM_SRC_ANONYMOUS_THP:
return get_trans_hugepagesz();
case VM_MEM_SRC_ANONYMOUS_HUGETLB:
+ case VM_MEM_SRC_SHARED_HUGETLB:
return get_def_hugetlb_pagesz();
default:
return MAP_HUGE_PAGE_SIZE(flag);