[PATCH libdrm 6/7] expose timeline signal/export/import interfaces

[Chunming Zhou]

Signed-off-by: Chunming Zhou <david1.zhou at amd.com>
---
 amdgpu/amdgpu-symbol-check |  3 ++
 amdgpu/amdgpu.h            | 51 +++++++++++++++++++++++++++++++
 amdgpu/amdgpu_cs.c         | 61 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 115 insertions(+)

diff --git a/amdgpu/amdgpu-symbol-check b/amdgpu/amdgpu-symbol-check
index 4553736f..255d25e5 100755
--- a/amdgpu/amdgpu-symbol-check
+++ b/amdgpu/amdgpu-symbol-check
@@ -48,10 +48,13 @@ amdgpu_cs_signal_semaphore
 amdgpu_cs_submit
 amdgpu_cs_submit_raw
 amdgpu_cs_syncobj_export_sync_file
+amdgpu_cs_syncobj_export_sync_file2
 amdgpu_cs_syncobj_import_sync_file
+amdgpu_cs_syncobj_import_sync_file2
 amdgpu_cs_syncobj_query
 amdgpu_cs_syncobj_reset
 amdgpu_cs_syncobj_signal
+amdgpu_cs_syncobj_timeline_signal
 amdgpu_cs_syncobj_timeline_wait
 amdgpu_cs_syncobj_wait
 amdgpu_cs_wait_fences
diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index 330658a0..5536d2d5 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -1469,6 +1469,23 @@ int amdgpu_cs_syncobj_reset(amdgpu_device_handle dev,
 int amdgpu_cs_syncobj_signal(amdgpu_device_handle dev,
 			     const uint32_t *syncobjs, uint32_t syncobj_count);
 
+/**
+ * Signal kernel timeline sync objects.
+ *
+ * \param dev           - \c [in] device handle
+ * \param syncobjs      - \c [in] array of sync object handles
+ * \param points	- \c [in] array of timeline points
+ * \param syncobj_count - \c [in] number of handles in syncobjs
+ *
+ * \return   0 on success\n
+ *          <0 - Negative POSIX Error code
+ *
+*/
+int amdgpu_cs_syncobj_timeline_signal(amdgpu_device_handle dev,
+				      const uint32_t *syncobjs,
+				      uint64_t *points,
+				      uint32_t syncobj_count);
+
 /**
  *  Wait for one or all sync objects to signal.
  *
@@ -1586,7 +1603,41 @@ int amdgpu_cs_syncobj_export_sync_file(amdgpu_device_handle dev,
 int amdgpu_cs_syncobj_import_sync_file(amdgpu_device_handle dev,
 				       uint32_t syncobj,
 				       int sync_file_fd);
+/**
+ *  Export kernel timeline sync object to a sync_file.
+ *
+ * \param   dev		- \c [in] device handle
+ * \param   syncobj	- \c [in] sync object handle
+ * \param   point	- \c [in] timeline point
+ * \param   flags	- \c [in] flags
+ * \param   sync_file_fd - \c [out] sync_file file descriptor.
+ *
+ * \return   0 on success\n
+ *          <0 - Negative POSIX Error code
+ *
+ */
+int amdgpu_cs_syncobj_export_sync_file2(amdgpu_device_handle dev,
+					uint32_t syncobj,
+					uint64_t point,
+					uint32_t flags,
+					int *sync_file_fd);
 
+/**
+ *  Import kernel timeline sync object from a sync_file.
+ *
+ * \param   dev		- \c [in] device handle
+ * \param   syncobj	- \c [in] sync object handle
+ * \param   point	- \c [in] timeline point
+ * \param   sync_file_fd - \c [in] sync_file file descriptor.
+ *
+ * \return   0 on success\n
+ *          <0 - Negative POSIX Error code
+ *
+ */
+int amdgpu_cs_syncobj_import_sync_file2(amdgpu_device_handle dev,
+					uint32_t syncobj,
+					uint64_t point,
+					int sync_file_fd);
 /**
  * Export an amdgpu fence as a handle (syncobj or fd).
  *
diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
index e4a547c6..0ff34446 100644
--- a/amdgpu/amdgpu_cs.c
+++ b/amdgpu/amdgpu_cs.c
@@ -649,6 +649,18 @@ drm_public int amdgpu_cs_syncobj_signal(amdgpu_device_handle dev,
 	return drmSyncobjSignal(dev->fd, syncobjs, syncobj_count);
 }
 
+drm_public int amdgpu_cs_syncobj_timeline_signal(amdgpu_device_handle dev,
+						 const uint32_t *syncobjs,
+						 uint64_t *points,
+						 uint32_t syncobj_count)
+{
+	if (NULL == dev)
+		return -EINVAL;
+
+	return drmSyncobjTimelineSignal(dev->fd, syncobjs,
+					points, syncobj_count);
+}
+
 drm_public int amdgpu_cs_syncobj_wait(amdgpu_device_handle dev,
 				      uint32_t *handles, unsigned num_handles,
 				      int64_t timeout_nsec, unsigned flags,
@@ -724,6 +736,55 @@ drm_public int amdgpu_cs_syncobj_import_sync_file(amdgpu_device_handle dev,
 	return drmSyncobjImportSyncFile(dev->fd, syncobj, sync_file_fd);
 }
 
+drm_public int amdgpu_cs_syncobj_export_sync_file2(amdgpu_device_handle dev,
+						   uint32_t syncobj,
+						   uint64_t point,
+						   uint32_t flags,
+						   int *sync_file_fd)
+{
+	uint32_t binary_handle;
+	int ret;
+
+	if (NULL == dev)
+		return -EINVAL;
+
+	ret = drmSyncobjCreate(dev->fd, 0, &binary_handle);
+	if (ret)
+		return ret;
+
+	ret = drmSyncobjTimelineToBinary(dev->fd, binary_handle, syncobj, point,
+					 flags);
+	if (ret)
+		goto out;
+	ret = drmSyncobjExportSyncFile(dev->fd, binary_handle, sync_file_fd);
+out:
+	drmSyncobjDestroy(dev->fd, binary_handle);
+	return ret;
+}
+
+drm_public int amdgpu_cs_syncobj_import_sync_file2(amdgpu_device_handle dev,
+						   uint32_t syncobj,
+						   uint64_t point,
+						   int sync_file_fd)
+{
+	uint32_t binary_handle;
+	int ret;
+
+	if (NULL == dev)
+		return -EINVAL;
+
+	ret = drmSyncobjCreate(dev->fd, 0, &binary_handle);
+	if (ret)
+		return ret;
+	ret = drmSyncobjImportSyncFile(dev->fd, binary_handle, sync_file_fd);
+	if (ret)
+		goto out;
+	ret = drmSyncobjBinaryToTimeline(dev->fd, binary_handle, syncobj, point);
+out:
+	drmSyncobjDestroy(dev->fd, binary_handle);
+	return ret;
+}
+
 drm_public int amdgpu_cs_submit_raw(amdgpu_device_handle dev,
 				    amdgpu_context_handle context,
 				    amdgpu_bo_list_handle bo_list_handle,
-- 
2.17.1