Add DRM event queue helpers v2

v2: Rename struct radeon_drm_queue to struct radeon_drm_queue_event,
thanks to Richard Wilbur <richard.wilbur@gmail.com> for the suggestion.
Also changed the corresponding parameter and local variable names from
'q' to 'e'.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 56 insertions, 0 deletions

diff --git a/src/radeon_drm_queue.h b/src/radeon_drm_queue.h
new file mode 100644
index 00000000..8fc1c42e
--- /dev/null
+++ b/src/radeon_drm_queue.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright © 2007 Red Hat, Inc.
+ * Copyright © 2015 Advanced Micro Devices, 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 (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.
+ *
+ * Authors:
+ *    Dave Airlie <airlied@redhat.com>
+ *
+ */
+
+#ifndef _RADEON_DRM_QUEUE_H_
+#define _RADEON_DRM_QUEUE_H_
+
+#define RADEON_DRM_QUEUE_CLIENT_DEFAULT serverClient
+#define RADEON_DRM_QUEUE_ID_DEFAULT ~0ULL
+
+struct radeon_drm_queue_entry;
+
+typedef void (*radeon_drm_handler_proc)(ScrnInfoPtr scrn, uint32_t seq,
+					uint64_t usec, void *data);
+typedef void (*radeon_drm_abort_proc)(ScrnInfoPtr scrn, void *data);
+
+void radeon_drm_queue_handler(int fd, unsigned int frame,
+			      unsigned int tv_sec, unsigned int tv_usec,
+			      void *user_ptr);
+struct radeon_drm_queue_entry *radeon_drm_queue_alloc(ScrnInfoPtr scrn,
+						      ClientPtr client,
+						      uint64_t id,
+						      void *data,
+						      radeon_drm_handler_proc handler,
+						      radeon_drm_abort_proc abort);
+void radeon_drm_abort_client(ClientPtr client);
+void radeon_drm_abort_entry(struct radeon_drm_queue_entry *entry);
+void radeon_drm_abort_id(uint64_t id);
+void radeon_drm_queue_init();
+void radeon_drm_queue_close(ScrnInfoPtr scrn);
+
+#endif /* _RADEON_DRM_QUEUE_H_ */