[1/4] lib: Add some syncobj helpers

Commit Message

Jason Ekstrand Aug. 10, 2017, 1:32 a.m. UTC

Signed-off-by: Jason Ekstrand <[e-mail]>
---
 lib/Makefile.sources |   2 +
 lib/igt_syncobj.c    | 176 +++++++++++++++++++++++++++++++++++++++++++++++++++
 lib/igt_syncobj.h    |  65 +++++++++++++++++++
 3 files changed, 243 insertions(+)
 create mode 100644 lib/igt_syncobj.c
 create mode 100644 lib/igt_syncobj.h

Patch

diff --git a/lib/Makefile.sources b/lib/Makefile.sources
index 53fdb54..692fe30 100644
--- a/lib/Makefile.sources
+++ b/lib/Makefile.sources
@@ -83,6 +83,8 @@  lib_source_list =	 	\
 	uwildmat/uwildmat.c	\
 	igt_kmod.c		\
 	igt_kmod.h		\
+	igt_syncobj.c		\
+	igt_syncobj.h		\
 	$(NULL)
 
 .PHONY: version.h.tmp
diff --git a/lib/igt_syncobj.c b/lib/igt_syncobj.c
new file mode 100644
index 0000000..ce9c1e2
--- /dev/null
+++ b/lib/igt_syncobj.c
@@ -0,0 +1,176 @@ 
+/*
+ * Copyright © 2017 Intel Corporation
+ *
+ * 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 (including the next
+ * paragraph) 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 <errno.h>
+#include <xf86drm.h>
+
+#include "igt.h"
+#include "igt_syncobj.h"
+
+static int
+__syncobj_create(int fd, uint32_t *handle)
+{
+	struct drm_syncobj_create create = { 0 };
+	int err = 0;
+
+	if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_CREATE, &create))
+		err = -errno;
+	*handle = create.handle;
+	return err;
+}
+
+uint32_t
+syncobj_create(int fd)
+{
+	uint32_t handle;
+	igt_assert_eq(__syncobj_create(fd, &handle), 0);
+	igt_assert(handle);
+	return handle;
+}
+
+static int
+__syncobj_destroy(int fd, uint32_t handle)
+{
+	struct drm_syncobj_destroy destroy = { 0 };
+	int err = 0;
+
+	destroy.handle = handle;
+	if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_DESTROY, &destroy))
+		err = -errno;
+	return err;
+}
+
+void
+syncobj_destroy(int fd, uint32_t handle)
+{
+	igt_assert_eq(__syncobj_destroy(fd, handle), 0);
+}
+
+int
+__syncobj_handle_to_fd(int fd, struct drm_syncobj_handle *args)
+{
+	int err = 0;
+	if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD, args))
+		err = -errno;
+	return err;
+}
+
+int
+syncobj_handle_to_fd(int fd, uint32_t handle, uint32_t flags)
+{
+	struct drm_syncobj_handle args = { 0 };
+	args.handle = handle;
+	args.flags = flags;
+	igt_assert_eq(__syncobj_handle_to_fd(fd, &args), 0);
+	igt_assert(args.fd >= 0);
+	return args.fd;
+}
+
+int
+__syncobj_fd_to_handle(int fd, struct drm_syncobj_handle *args)
+{
+	int err = 0;
+	if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE, args))
+		err = -errno;
+	return err;
+}
+
+uint32_t
+syncobj_fd_to_handle(int fd, int syncobj_fd, uint32_t flags)
+{
+	struct drm_syncobj_handle args = { 0 };
+	args.fd = syncobj_fd;
+	args.flags = flags;
+	igt_assert_eq(__syncobj_fd_to_handle(fd, &args), 0);
+	igt_assert(args.handle > 0);
+	return args.handle;
+}
+
+int
+__syncobj_wait(int fd, struct local_syncobj_wait *args)
+{
+	int err = 0;
+	if (drmIoctl(fd, LOCAL_IOCTL_SYNCOBJ_WAIT, args))
+		err = -errno;
+	return err;
+}
+
+int
+syncobj_wait_err(int fd, uint32_t *handles, uint32_t count,
+		 uint64_t abs_timeout_nsec, uint32_t flags)
+{
+	struct local_syncobj_wait wait;
+
+	wait.handles = to_user_pointer(handles);
+	wait.timeout_nsec = abs_timeout_nsec;
+	wait.count_handles = count;
+	wait.flags = flags;
+	wait.first_signaled = 0;
+	wait.pad = 0;
+
+	return __syncobj_wait(fd, &wait);
+}
+
+bool
+syncobj_wait(int fd, uint32_t *handles, uint32_t count,
+	     uint64_t abs_timeout_nsec, uint32_t flags,
+	     uint32_t *first_signaled)
+{
+	struct local_syncobj_wait wait;
+	int ret;
+
+	wait.handles = to_user_pointer(handles);
+	wait.timeout_nsec = abs_timeout_nsec;
+	wait.count_handles = count;
+	wait.flags = flags;
+	wait.first_signaled = 0;
+	wait.pad = 0;
+
+	ret = __syncobj_wait(fd, &wait);
+	if (ret == ETIME)
+		return false;
+
+	igt_assert_eq(ret, 0);
+	if (first_signaled)
+		*first_signaled = wait.first_signaled;
+
+	return true;
+}
+
+static int
+__syncobj_reset(int fd, uint32_t handle)
+{
+	struct local_syncobj_reset reset = { 0 };
+	int err = 0;
+
+	reset.handle = handle;
+	if (drmIoctl(fd, LOCAL_IOCTL_SYNCOBJ_RESET, &reset))
+		err = -errno;
+	return err;
+}
+
+void
+syncobj_reset(int fd, uint32_t handle)
+{
+	igt_assert_eq(__syncobj_reset(fd, handle), 0);
+}
diff --git a/lib/igt_syncobj.h b/lib/igt_syncobj.h
new file mode 100644
index 0000000..d37e638
--- /dev/null
+++ b/lib/igt_syncobj.h
@@ -0,0 +1,65 @@ 
+/*
+ * Copyright © 2017 Intel Corporation
+ *
+ * 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 (including the next
+ * paragraph) 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 IGT_SYNCOBJ_H
+#define IGT_SYNCOBJ_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <drm.h>
+
+#define LOCAL_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0)
+#define LOCAL_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1)
+struct local_syncobj_wait {
+       __u64 handles;
+       /* absolute timeout */
+       __s64 timeout_nsec;
+       __u32 count_handles;
+       __u32 flags;
+       __u32 first_signaled; /* only valid when not waiting all */
+       __u32 pad;
+};
+
+struct local_syncobj_reset {
+       __u32 handle;
+       __u32 flags;
+};
+
+#define LOCAL_IOCTL_SYNCOBJ_WAIT	DRM_IOWR(0xC3, struct local_syncobj_wait)
+#define LOCAL_IOCTL_SYNCOBJ_RESET	DRM_IOWR(0xC4, struct local_syncobj_reset)
+
+uint32_t syncobj_create(int fd);
+void syncobj_destroy(int fd, uint32_t handle);
+int __syncobj_handle_to_fd(int fd, struct drm_syncobj_handle *args);
+int __syncobj_fd_to_handle(int fd, struct drm_syncobj_handle *args);
+int syncobj_handle_to_fd(int fd, uint32_t handle, uint32_t flags);
+uint32_t syncobj_fd_to_handle(int fd, int syncobj_fd, uint32_t flags);
+int __syncobj_wait(int fd, struct local_syncobj_wait *args);
+int syncobj_wait_err(int fd, uint32_t *handles, uint32_t count,
+		     uint64_t abs_timeout_nsec, uint32_t flags);
+bool syncobj_wait(int fd, uint32_t *handles, uint32_t count,
+		  uint64_t abs_timeout_nsec, uint32_t flags,
+		  uint32_t *first_signaled);
+void syncobj_reset(int fd, uint32_t handle);
+
+#endif /* IGT_SYNCOBJ_H */