[PATCH libdrm 4/5] wrap syncobj timeline query/wait APIs for amdgpu v3

[Christian König]

From: Chunming Zhou <david1.zhou at amd.com>

v2: symbos are stored in lexical order.
v3: drop export/import and extra query indirection

Signed-off-by: Chunming Zhou <david1.zhou at amd.com>
Signed-off-by: Christian König <christian.koenig at amd.com>
---
 amdgpu/amdgpu-symbol-check |  2 ++
 amdgpu/amdgpu.h            | 39 +++++++++++++++++++++++++++++++++++++++
 amdgpu/amdgpu_cs.c         | 23 +++++++++++++++++++++++
 3 files changed, 64 insertions(+)

diff --git a/amdgpu/amdgpu-symbol-check b/amdgpu/amdgpu-symbol-check
index 6f5e0f95..4553736f 100755
--- a/amdgpu/amdgpu-symbol-check
+++ b/amdgpu/amdgpu-symbol-check
@@ -49,8 +49,10 @@ amdgpu_cs_submit
 amdgpu_cs_submit_raw
 amdgpu_cs_syncobj_export_sync_file
 amdgpu_cs_syncobj_import_sync_file
+amdgpu_cs_syncobj_query
 amdgpu_cs_syncobj_reset
 amdgpu_cs_syncobj_signal
+amdgpu_cs_syncobj_timeline_wait
 amdgpu_cs_syncobj_wait
 amdgpu_cs_wait_fences
 amdgpu_cs_wait_semaphore
diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index dc51659a..330658a0 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -1489,6 +1489,45 @@ int amdgpu_cs_syncobj_wait(amdgpu_device_handle dev,
 			   int64_t timeout_nsec, unsigned flags,
 			   uint32_t *first_signaled);
 
+/**
+ *  Wait for one or all sync objects on their points to signal.
+ *
+ * \param   dev	    - \c [in] self-explanatory
+ * \param   handles - \c [in] array of sync object handles
+ * \param   points - \c [in] array of sync points to wait
+ * \param   num_handles - \c [in] self-explanatory
+ * \param   timeout_nsec - \c [in] self-explanatory
+ * \param   flags   - \c [in] a bitmask of DRM_SYNCOBJ_WAIT_FLAGS_*
+ * \param   first_signaled - \c [in] self-explanatory
+ *
+ * \return   0 on success\n
+ *          -ETIME - Timeout
+ *          <0 - Negative POSIX Error code
+ *
+ */
+int amdgpu_cs_syncobj_timeline_wait(amdgpu_device_handle dev,
+				    uint32_t *handles, uint64_t *points,
+				    unsigned num_handles,
+				    int64_t timeout_nsec, unsigned flags,
+				    uint32_t *first_signaled);
+/**
+ *  Query sync objects payloads.
+ *
+ * \param   dev	    - \c [in] self-explanatory
+ * \param   handles - \c [in] array of sync object handles
+ * \param   points - \c [out] array of sync points returned, which presents
+ * syncobj payload.
+ * \param   num_handles - \c [in] self-explanatory
+ *
+ * \return   0 on success\n
+ *          -ETIME - Timeout
+ *          <0 - Negative POSIX Error code
+ *
+ */
+int amdgpu_cs_syncobj_query(amdgpu_device_handle dev,
+			    uint32_t *handles, uint64_t *points,
+			    unsigned num_handles);
+
 /**
  *  Export kernel sync object to shareable fd.
  *
diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
index 3b8231aa..e4a547c6 100644
--- a/amdgpu/amdgpu_cs.c
+++ b/amdgpu/amdgpu_cs.c
@@ -661,6 +661,29 @@ drm_public int amdgpu_cs_syncobj_wait(amdgpu_device_handle dev,
 			      flags, first_signaled);
 }
 
+drm_public int amdgpu_cs_syncobj_timeline_wait(amdgpu_device_handle dev,
+					       uint32_t *handles, uint64_t *points,
+					       unsigned num_handles,
+					       int64_t timeout_nsec, unsigned flags,
+					       uint32_t *first_signaled)
+{
+	if (NULL == dev)
+		return -EINVAL;
+
+	return drmSyncobjTimelineWait(dev->fd, handles, points, num_handles,
+				      timeout_nsec, flags, first_signaled);
+}
+
+drm_public int amdgpu_cs_syncobj_query(amdgpu_device_handle dev,
+				       uint32_t *handles, uint64_t *points,
+				       unsigned num_handles)
+{
+	if (NULL == dev)
+		return -EINVAL;
+
+	return drmSyncobjQuery(dev->fd, handles, points, num_handles);
+}
+
 drm_public int amdgpu_cs_export_syncobj(amdgpu_device_handle dev,
 					uint32_t handle,
 					int *shared_fd)
-- 
2.14.1