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Message-Id: <20250507095757.1663684-6-yeoreum.yun@arm.com>
Date: Wed, 7 May 2025 10:57:56 +0100
From: Yeoreum Yun <yeoreum.yun@....com>
To: catalin.marinas@....com,
pcc@...gle.com,
will@...nel.org,
broonie@...nel.org,
anshuman.khandual@....com,
joey.gouly@....com,
yury.khrustalev@....com,
maz@...nel.org,
oliver.upton@...ux.dev,
frederic@...nel.org,
shmeerali.kolothum.thodi@...wei.com,
james.morse@....com,
mark.rutland@....com,
huangxiaojia2@...wei.com,
akpm@...ux-foundation.org,
surenb@...gle.com,
robin.murphy@....com
Cc: linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
linux-doc@...r.kernel.org,
Yeoreum Yun <yeoreum.yun@....com>
Subject: [PATCH v4 5/6] kselftest/arm64/mte: refactor check_mmap_option test
Before add mtefar testcase on check_mmap_option.c,
refactor check_mmap_option.
Signed-off-by: Yeoreum Yun <yeoreum.yun@....com>
---
.../selftests/arm64/mte/check_mmap_options.c | 158 +++++++++++++-----
1 file changed, 118 insertions(+), 40 deletions(-)
diff --git a/tools/testing/selftests/arm64/mte/check_mmap_options.c b/tools/testing/selftests/arm64/mte/check_mmap_options.c
index b37bf481c9f9..a784b3a31d4f 100644
--- a/tools/testing/selftests/arm64/mte/check_mmap_options.c
+++ b/tools/testing/selftests/arm64/mte/check_mmap_options.c
@@ -3,6 +3,7 @@
#define _GNU_SOURCE
+#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
@@ -24,6 +25,12 @@
#define TAG_CHECK_ON 0
#define TAG_CHECK_OFF 1
+#define TEST_NAME_MAX 256
+
+#define CHECK_ANON_MEM 0
+#define CHECK_FILE_MEM 1
+#define CHECK_CLEAR_PROT_MTE 2
+
static size_t page_size;
static int sizes[] = {
1, 537, 989, 1269, MT_GRANULE_SIZE - 1, MT_GRANULE_SIZE,
@@ -183,10 +190,98 @@ static int check_clear_prot_mte_flag(int mem_type, int mode, int mapping)
return KSFT_PASS;
}
+const char *format_test_name(int check_type, int mem_type, int sync,
+ int mapping, int tag_check)
+{
+ static char test_name[TEST_NAME_MAX];
+ const char* check_type_str;
+ const char* mem_type_str;
+ const char* sync_str;
+ const char* mapping_str;
+ const char* tag_check_str;
+
+ switch (check_type) {
+ case CHECK_ANON_MEM:
+ check_type_str = "anonymous memory";
+ break;
+ case CHECK_FILE_MEM:
+ check_type_str = "file memory";
+ break;
+ case CHECK_CLEAR_PROT_MTE:
+ check_type_str = "clear PROT_MTE flags";
+ break;
+ default:
+ assert(0);
+ break;
+ }
+
+ switch (mem_type) {
+ case USE_MMAP:
+ mem_type_str = "mmap";
+ break;
+ case USE_MPROTECT:
+ mem_type_str = "mmap/mprotect";
+ break;
+ default:
+ assert(0);
+ break;
+ }
+
+ switch (sync) {
+ case MTE_NONE_ERR:
+ sync_str = "no error";
+ break;
+ case MTE_SYNC_ERR:
+ sync_str = "sync error";
+ break;
+ case MTE_ASYNC_ERR:
+ sync_str = "async error";
+ break;
+ default:
+ assert(0);
+ break;
+ }
+
+ switch (mapping) {
+ case MAP_SHARED:
+ mapping_str = "shared";
+ break;
+ case MAP_PRIVATE:
+ mapping_str = "private";
+ break;
+ default:
+ assert(0);
+ break;
+ }
+
+ switch (tag_check) {
+ case TAG_CHECK_ON:
+ tag_check_str = "tag check on";
+ break;
+ case TAG_CHECK_OFF:
+ tag_check_str = "tag check off";
+ break;
+ default:
+ assert(0);
+ break;
+ }
+
+ snprintf(test_name, TEST_NAME_MAX,
+ "Check %s with %s mapping, %s mode, %s memory and %s\n",
+ check_type_str, mapping_str, sync_str, mem_type_str, tag_check_str);
+
+ return test_name;
+}
+
int main(int argc, char *argv[])
{
int err;
int item = ARRAY_SIZE(sizes);
+ int check_type[] = { CHECK_ANON_MEM, CHECK_FILE_MEM };
+ int mem_type[] = { USE_MMAP, USE_MPROTECT };
+ int mte_sync[] = { MTE_SYNC_ERR, MTE_ASYNC_ERR };
+ int mapping[] = { MAP_PRIVATE, MAP_SHARED };
+ int c, mt, s, m;
err = mte_default_setup();
if (err)
@@ -210,54 +305,37 @@ int main(int argc, char *argv[])
mte_enable_pstate_tco();
evaluate_test(check_anonymous_memory_mapping(USE_MMAP, MTE_SYNC_ERR, MAP_PRIVATE, TAG_CHECK_OFF),
- "Check anonymous memory with private mapping, sync error mode, mmap memory and tag check off\n");
+ format_test_name(CHECK_ANON_MEM, USE_MMAP, MTE_SYNC_ERR, MAP_PRIVATE, TAG_CHECK_OFF));
+
evaluate_test(check_file_memory_mapping(USE_MPROTECT, MTE_SYNC_ERR, MAP_PRIVATE, TAG_CHECK_OFF),
- "Check file memory with private mapping, sync error mode, mmap/mprotect memory and tag check off\n");
+ format_test_name(CHECK_FILE_MEM, USE_MPROTECT, MTE_SYNC_ERR, MAP_PRIVATE, TAG_CHECK_OFF));
mte_disable_pstate_tco();
+
evaluate_test(check_anonymous_memory_mapping(USE_MMAP, MTE_NONE_ERR, MAP_PRIVATE, TAG_CHECK_OFF),
- "Check anonymous memory with private mapping, no error mode, mmap memory and tag check off\n");
+ format_test_name(CHECK_ANON_MEM, USE_MMAP, MTE_NONE_ERR, MAP_PRIVATE, TAG_CHECK_OFF));
evaluate_test(check_file_memory_mapping(USE_MPROTECT, MTE_NONE_ERR, MAP_PRIVATE, TAG_CHECK_OFF),
- "Check file memory with private mapping, no error mode, mmap/mprotect memory and tag check off\n");
-
- evaluate_test(check_anonymous_memory_mapping(USE_MMAP, MTE_SYNC_ERR, MAP_PRIVATE, TAG_CHECK_ON),
- "Check anonymous memory with private mapping, sync error mode, mmap memory and tag check on\n");
- evaluate_test(check_anonymous_memory_mapping(USE_MPROTECT, MTE_SYNC_ERR, MAP_PRIVATE, TAG_CHECK_ON),
- "Check anonymous memory with private mapping, sync error mode, mmap/mprotect memory and tag check on\n");
- evaluate_test(check_anonymous_memory_mapping(USE_MMAP, MTE_SYNC_ERR, MAP_SHARED, TAG_CHECK_ON),
- "Check anonymous memory with shared mapping, sync error mode, mmap memory and tag check on\n");
- evaluate_test(check_anonymous_memory_mapping(USE_MPROTECT, MTE_SYNC_ERR, MAP_SHARED, TAG_CHECK_ON),
- "Check anonymous memory with shared mapping, sync error mode, mmap/mprotect memory and tag check on\n");
- evaluate_test(check_anonymous_memory_mapping(USE_MMAP, MTE_ASYNC_ERR, MAP_PRIVATE, TAG_CHECK_ON),
- "Check anonymous memory with private mapping, async error mode, mmap memory and tag check on\n");
- evaluate_test(check_anonymous_memory_mapping(USE_MPROTECT, MTE_ASYNC_ERR, MAP_PRIVATE, TAG_CHECK_ON),
- "Check anonymous memory with private mapping, async error mode, mmap/mprotect memory and tag check on\n");
- evaluate_test(check_anonymous_memory_mapping(USE_MMAP, MTE_ASYNC_ERR, MAP_SHARED, TAG_CHECK_ON),
- "Check anonymous memory with shared mapping, async error mode, mmap memory and tag check on\n");
- evaluate_test(check_anonymous_memory_mapping(USE_MPROTECT, MTE_ASYNC_ERR, MAP_SHARED, TAG_CHECK_ON),
- "Check anonymous memory with shared mapping, async error mode, mmap/mprotect memory and tag check on\n");
-
- evaluate_test(check_file_memory_mapping(USE_MMAP, MTE_SYNC_ERR, MAP_PRIVATE, TAG_CHECK_ON),
- "Check file memory with private mapping, sync error mode, mmap memory and tag check on\n");
- evaluate_test(check_file_memory_mapping(USE_MPROTECT, MTE_SYNC_ERR, MAP_PRIVATE, TAG_CHECK_ON),
- "Check file memory with private mapping, sync error mode, mmap/mprotect memory and tag check on\n");
- evaluate_test(check_file_memory_mapping(USE_MMAP, MTE_SYNC_ERR, MAP_SHARED, TAG_CHECK_ON),
- "Check file memory with shared mapping, sync error mode, mmap memory and tag check on\n");
- evaluate_test(check_file_memory_mapping(USE_MPROTECT, MTE_SYNC_ERR, MAP_SHARED, TAG_CHECK_ON),
- "Check file memory with shared mapping, sync error mode, mmap/mprotect memory and tag check on\n");
- evaluate_test(check_file_memory_mapping(USE_MMAP, MTE_ASYNC_ERR, MAP_PRIVATE, TAG_CHECK_ON),
- "Check file memory with private mapping, async error mode, mmap memory and tag check on\n");
- evaluate_test(check_file_memory_mapping(USE_MPROTECT, MTE_ASYNC_ERR, MAP_PRIVATE, TAG_CHECK_ON),
- "Check file memory with private mapping, async error mode, mmap/mprotect memory and tag check on\n");
- evaluate_test(check_file_memory_mapping(USE_MMAP, MTE_ASYNC_ERR, MAP_SHARED, TAG_CHECK_ON),
- "Check file memory with shared mapping, async error mode, mmap memory and tag check on\n");
- evaluate_test(check_file_memory_mapping(USE_MPROTECT, MTE_ASYNC_ERR, MAP_SHARED, TAG_CHECK_ON),
- "Check file memory with shared mapping, async error mode, mmap/mprotect memory and tag check on\n");
+ format_test_name(CHECK_FILE_MEM, USE_MPROTECT, MTE_NONE_ERR, MAP_PRIVATE, TAG_CHECK_OFF));
+
+ for (c = 0 ; c < ARRAY_SIZE(check_type); c++) {
+ for (s = 0; s < ARRAY_SIZE(mte_sync); s++) {
+ for (m = 0; m < ARRAY_SIZE(mapping); m++) {
+ for (mt = 0; mt < ARRAY_SIZE(mem_type); mt++) {
+ if (check_type[c] == CHECK_ANON_MEM)
+ evaluate_test(check_anonymous_memory_mapping(mem_type[mt], mte_sync[s], mapping[m], TAG_CHECK_ON),
+ format_test_name(CHECK_ANON_MEM, mem_type[mt], mte_sync[s], mapping[m], TAG_CHECK_ON));
+ else
+ evaluate_test(check_file_memory_mapping(mem_type[mt], mte_sync[s], mapping[m], TAG_CHECK_ON),
+ format_test_name(CHECK_FILE_MEM, mem_type[mt], mte_sync[s], mapping[m], TAG_CHECK_ON));
+ }
+ }
+ }
+ }
evaluate_test(check_clear_prot_mte_flag(USE_MMAP, MTE_SYNC_ERR, MAP_PRIVATE),
- "Check clear PROT_MTE flags with private mapping, sync error mode and mmap memory\n");
+ format_test_name(CHECK_CLEAR_PROT_MTE, USE_MMAP, MTE_SYNC_ERR, MAP_PRIVATE, TAG_CHECK_ON));
evaluate_test(check_clear_prot_mte_flag(USE_MPROTECT, MTE_SYNC_ERR, MAP_PRIVATE),
- "Check clear PROT_MTE flags with private mapping and sync error mode and mmap/mprotect memory\n");
+ format_test_name(CHECK_CLEAR_PROT_MTE, USE_MPROTECT, MTE_SYNC_ERR, MAP_PRIVATE, TAG_CHECK_ON));
mte_restore_setup();
ksft_print_cnts();
--
LEVI:{C3F47F37-75D8-414A-A8BA-3980EC8A46D7}
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