@@ -22,6 +22,7 @@ TARGETS += seccomp
TARGETS += sigaltstack
TARGETS += size
TARGETS += static_keys
+TARGETS += sync
TARGETS += sysctl
ifneq (1, $(quicktest))
TARGETS += timers
new file mode 100644
@@ -0,0 +1 @@
+sync_test
new file mode 100644
@@ -0,0 +1,24 @@
+CC = $(CROSS_COMPILE)gcc
+CFLAGS := -O2 -g -std=gnu89 -pthread -Wall -Wextra
+CFLAGS += -I../../../../include/uapi/
+CFLAGS += -I../../../../include/
+CFLAGS += -I../../../../usr/include/
+CFLAGS += -I../../../../drivers/dma-buf/
+LDFLAGS += -pthread
+
+TEST_PROGS = sync_test
+
+all: $(TEST_PROGS)
+
+include ../lib.mk
+
+SRC = sync_test.o sync.o
+
+TESTS += sync_alloc.o
+
+sync_test: $(SRC) $(TESTS)
+
+.PHONY: clean
+
+clean:
+ $(RM) sync_test $(SRC) $(TESTS)
new file mode 100644
@@ -0,0 +1,46 @@
+/*
+ * sw_sync abstraction
+ *
+ * Copyright 2015-2016 Collabora Ltd.
+ *
+ * Based on the implementation from the Android Open Source Project,
+ *
+ * Copyright 2013 Google, Inc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef SELFTESTS_SW_SYNC_H
+#define SELFTESTS_SW_SYNC_H
+
+/*
+ * sw_sync is mainly intended for testing and should not be compiled into
+ * production kernels
+ */
+
+int sw_sync_timeline_create(void);
+int sw_sync_timeline_is_valid(int fd);
+int sw_sync_timeline_inc(int fd, unsigned int count);
+void sw_sync_timeline_destroy(int fd);
+
+int sw_sync_fence_create(int fd, const char *name, unsigned int value);
+int sw_sync_fence_is_valid(int fd);
+void sw_sync_fence_destroy(int fd);
+
+#endif
new file mode 100644
@@ -0,0 +1,222 @@
+/*
+ * sync / sw_sync abstraction
+ * Copyright 2015-2016 Collabora Ltd.
+ *
+ * Based on the implementation from the Android Open Source Project,
+ *
+ * Copyright 2012 Google, Inc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <fcntl.h>
+#include <malloc.h>
+#include <poll.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "sync.h"
+#include "sw_sync.h"
+
+#define __EXPORTED_HEADERS__
+#include <uapi/linux/sync_file.h>
+
+
+/* SW_SYNC ioctls */
+struct sw_sync_create_fence_data {
+ __u32 value;
+ char name[32];
+ __s32 fence;
+};
+
+#define SW_SYNC_IOC_MAGIC 'W'
+#define SW_SYNC_IOC_CREATE_FENCE _IOWR(SW_SYNC_IOC_MAGIC, 0,\
+ struct sw_sync_create_fence_data)
+#define SW_SYNC_IOC_INC _IOW(SW_SYNC_IOC_MAGIC, 1, __u32)
+
+
+int sync_wait(int fd, int timeout)
+{
+ struct pollfd fds;
+
+ fds.fd = fd;
+ fds.events = POLLIN | POLLERR;
+
+ return poll(&fds, 1, timeout);
+}
+
+int sync_merge(const char *name, int fd1, int fd2)
+{
+ struct sync_merge_data data = {};
+ int err;
+
+ data.fd2 = fd2;
+ strncpy(data.name, name, sizeof(data.name) - 1);
+ data.name[sizeof(data.name) - 1] = '\0';
+
+ err = ioctl(fd1, SYNC_IOC_MERGE, &data);
+ if (err < 0)
+ return err;
+
+ return data.fence;
+}
+
+static struct sync_file_info *sync_file_info(int fd)
+{
+ struct sync_file_info *info;
+ struct sync_fence_info *fence_info;
+ int err, num_fences;
+
+ info = calloc(1, sizeof(*info));
+ if (info == NULL)
+ return NULL;
+
+ err = ioctl(fd, SYNC_IOC_FILE_INFO, info);
+ if (err < 0) {
+ free(info);
+ return NULL;
+ }
+
+ num_fences = info->num_fences;
+
+ if (num_fences) {
+ info->flags = 0;
+ info->num_fences = num_fences;
+
+ fence_info = calloc(num_fences, sizeof(*fence_info));
+ if (!fence_info) {
+ free(info);
+ return NULL;
+ }
+
+ info->sync_fence_info = (uint64_t)fence_info;
+
+ err = ioctl(fd, SYNC_IOC_FILE_INFO, info);
+ if (err < 0) {
+ free(fence_info);
+ free(info);
+ return NULL;
+ }
+ }
+
+ return info;
+}
+
+static void sync_file_info_free(struct sync_file_info *info)
+{
+ free((void *)info->sync_fence_info);
+ free(info);
+}
+
+int sync_fence_size(int fd)
+{
+ int count;
+ struct sync_file_info *info = sync_file_info(fd);
+
+ if (!info)
+ return 0;
+
+ count = info->num_fences;
+
+ sync_file_info_free(info);
+
+ return count;
+}
+
+int sync_fence_count_with_status(int fd, int status)
+{
+ unsigned int i, count = 0;
+ struct sync_fence_info *fence_info = NULL;
+ struct sync_file_info *info = sync_file_info(fd);
+
+ if (!info)
+ return -1;
+
+ fence_info = (struct sync_fence_info *)info->sync_fence_info;
+ for (i = 0 ; i < info->num_fences ; i++) {
+ if (fence_info[i].status == status)
+ count++;
+ }
+
+ sync_file_info_free(info);
+
+ return count;
+}
+
+int sw_sync_timeline_create(void)
+{
+ return open("/sys/kernel/debug/sync/sw_sync", O_RDWR);
+}
+
+int sw_sync_timeline_inc(int fd, unsigned int count)
+{
+ __u32 arg = count;
+
+ return ioctl(fd, SW_SYNC_IOC_INC, &arg);
+}
+
+int sw_sync_timeline_is_valid(int fd)
+{
+ int status;
+
+ if (fd == -1)
+ return 0;
+
+ status = fcntl(fd, F_GETFD, 0);
+ return (status >= 0);
+}
+
+void sw_sync_timeline_destroy(int fd)
+{
+ if (sw_sync_timeline_is_valid(fd))
+ close(fd);
+}
+
+int sw_sync_fence_create(int fd, const char *name, unsigned int value)
+{
+ struct sw_sync_create_fence_data data = {};
+ int err;
+
+ data.value = value;
+ strncpy(data.name, name, sizeof(data.name) - 1);
+ data.name[sizeof(data.name) - 1] = '\0';
+
+ err = ioctl(fd, SW_SYNC_IOC_CREATE_FENCE, &data);
+ if (err < 0)
+ return err;
+
+ return data.fence;
+}
+
+int sw_sync_fence_is_valid(int fd)
+{
+ /* Same code! */
+ return sw_sync_timeline_is_valid(fd);
+}
+
+void sw_sync_fence_destroy(int fd)
+{
+ if (sw_sync_fence_is_valid(fd))
+ close(fd);
+}
new file mode 100644
@@ -0,0 +1,40 @@
+/*
+ * sync abstraction
+ * Copyright 2015-2016 Collabora Ltd.
+ *
+ * Based on the implementation from the Android Open Source Project,
+ *
+ * Copyright 2012 Google, Inc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef SELFTESTS_SYNC_H
+#define SELFTESTS_SYNC_H
+
+#define FENCE_STATUS_ERROR (-1)
+#define FENCE_STATUS_ACTIVE (0)
+#define FENCE_STATUS_SIGNALED (1)
+
+int sync_wait(int fd, int timeout);
+int sync_merge(const char *name, int fd1, int fd2);
+int sync_fence_size(int fd);
+int sync_fence_count_with_status(int fd, int status);
+
+#endif
new file mode 100644
@@ -0,0 +1,74 @@
+/*
+ * sync allocation tests
+ * Copyright 2015-2016 Collabora Ltd.
+ *
+ * Based on the implementation from the Android Open Source Project,
+ *
+ * Copyright 2012 Google, Inc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "sync.h"
+#include "sw_sync.h"
+#include "synctest.h"
+
+int test_alloc_timeline(void)
+{
+ int timeline, valid;
+
+ timeline = sw_sync_timeline_create();
+ valid = sw_sync_timeline_is_valid(timeline);
+ ASSERT(valid, "Failure allocating timeline\n");
+
+ sw_sync_timeline_destroy(timeline);
+ return 0;
+}
+
+int test_alloc_fence(void)
+{
+ int timeline, fence, valid;
+
+ timeline = sw_sync_timeline_create();
+ valid = sw_sync_timeline_is_valid(timeline);
+ ASSERT(valid, "Failure allocating timeline\n");
+
+ fence = sw_sync_fence_create(timeline, "allocFence", 1);
+ valid = sw_sync_fence_is_valid(fence);
+ ASSERT(valid, "Failure allocating fence\n");
+
+ sw_sync_fence_destroy(fence);
+ sw_sync_timeline_destroy(timeline);
+ return 0;
+}
+
+int test_alloc_fence_negative(void)
+{
+ int fence, timeline;
+
+ timeline = sw_sync_timeline_create();
+ ASSERT(timeline > 0, "Failure allocating timeline\n");
+
+ fence = sw_sync_fence_create(-1, "fence", 1);
+ ASSERT(fence < 0, "Success allocating negative fence\n");
+
+ sw_sync_fence_destroy(fence);
+ sw_sync_timeline_destroy(timeline);
+ return 0;
+}
new file mode 100644
@@ -0,0 +1,71 @@
+/*
+ * sync test runner
+ * Copyright 2015-2016 Collabora Ltd.
+ *
+ * Based on the implementation from the Android Open Source Project,
+ *
+ * Copyright 2012 Google, Inc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include "synctest.h"
+
+static int run_test(int (*test)(void), char *name)
+{
+ int result;
+ pid_t childpid;
+
+ fflush(stdout);
+ childpid = fork();
+
+ if (childpid) {
+ waitpid(childpid, &result, 0);
+ if (WIFEXITED(result))
+ return WEXITSTATUS(result);
+ return 1;
+ }
+
+ printf("[RUN]\tExecuting %s\n", name);
+ exit(test());
+}
+
+int main(void)
+{
+ int err = 0;
+
+ printf("[RUN]\tTesting sync framework\n");
+
+ err += RUN_TEST(test_alloc_timeline);
+ err += RUN_TEST(test_alloc_fence);
+ err += RUN_TEST(test_alloc_fence_negative);
+
+ if (err)
+ printf("[FAIL]\tsync errors: %d\n", err);
+ else
+ printf("[OK]\tsync\n");
+
+ return !!err;
+}
new file mode 100644
@@ -0,0 +1,47 @@
+/*
+ * sync tests
+ * Copyright 2015-2016 Collabora Ltd.
+ *
+ * Based on the implementation from the Android Open Source Project,
+ *
+ * Copyright 2012 Google, Inc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef SELFTESTS_SYNCTEST_H
+#define SELFTESTS_SYNCTEST_H
+
+#include <stdio.h>
+
+#define ASSERT(cond, msg) do { \
+ if (!(cond)) { \
+ printf("[BAD]\t%s", (msg)); \
+ return 1; \
+ } \
+} while (0)
+
+#define RUN_TEST(x) run_test((x), #x)
+
+/* Allocation tests */
+int test_alloc_timeline(void);
+int test_alloc_fence(void);
+int test_alloc_fence_negative(void);
+
+#endif
These tests are based on the libsync test suite from Android. This commit lays the ground for future tests, as well as includes tests for a variety of basic allocation commands. Signed-off-by: Emilio López <emilio.lopez@collabora.co.uk> --- tools/testing/selftests/Makefile | 1 + tools/testing/selftests/sync/.gitignore | 1 + tools/testing/selftests/sync/Makefile | 24 ++++ tools/testing/selftests/sync/sw_sync.h | 46 +++++++ tools/testing/selftests/sync/sync.c | 222 ++++++++++++++++++++++++++++++ tools/testing/selftests/sync/sync.h | 40 ++++++ tools/testing/selftests/sync/sync_alloc.c | 74 ++++++++++ tools/testing/selftests/sync/sync_test.c | 71 ++++++++++ tools/testing/selftests/sync/synctest.h | 47 +++++++ 9 files changed, 526 insertions(+) create mode 100644 tools/testing/selftests/sync/.gitignore create mode 100644 tools/testing/selftests/sync/Makefile create mode 100644 tools/testing/selftests/sync/sw_sync.h create mode 100644 tools/testing/selftests/sync/sync.c create mode 100644 tools/testing/selftests/sync/sync.h create mode 100644 tools/testing/selftests/sync/sync_alloc.c create mode 100644 tools/testing/selftests/sync/sync_test.c create mode 100644 tools/testing/selftests/sync/synctest.h