[Intel-gfx] [PATCH i-g-t 1/4] lib: Add some syncobj helpers
Jason Ekstrand
jason at jlekstrand.net
Thu Aug 10 23:34:57 UTC 2017
Signed-off-by: Jason Ekstrand <jason at jlekstrand.net>
---
lib/Makefile.sources | 2 +
lib/igt_syncobj.c | 186 +++++++++++++++++++++++++++++++++++++++++++++++++++
lib/igt_syncobj.h | 66 ++++++++++++++++++
3 files changed, 254 insertions(+)
create mode 100644 lib/igt_syncobj.c
create mode 100644 lib/igt_syncobj.h
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..fe0d26c
--- /dev/null
+++ b/lib/igt_syncobj.c
@@ -0,0 +1,186 @@
+/*
+ * 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;
+}
+
+void
+syncobj_import_sync_file(int fd, uint32_t handle, int sync_file)
+{
+ struct drm_syncobj_handle args = { 0 };
+ args.handle = handle;
+ args.fd = sync_file;
+ args.flags = DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_IMPORT_SYNC_FILE;
+ igt_assert_eq(__syncobj_fd_to_handle(fd, &args), 0);
+}
+
+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..5840c1c
--- /dev/null
+++ b/lib/igt_syncobj.h
@@ -0,0 +1,66 @@
+/*
+ * 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);
+void syncobj_import_sync_file(int fd, uint32_t handle, int sync_file);
+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 */
--
2.5.0.400.gff86faf
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