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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_fence.h')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_fence.h132
1 files changed, 132 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
new file mode 100644
index 000000000..50e9fdd7a
--- /dev/null
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
@@ -0,0 +1,132 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+/**************************************************************************
+ *
+ * Copyright 2011-2012 VMware, Inc., Palo Alto, CA., USA
+ *
+ * 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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 _VMWGFX_FENCE_H_
+
+#include <linux/dma-fence.h>
+#include <linux/dma-fence-array.h>
+
+#define VMW_FENCE_WAIT_TIMEOUT (5*HZ)
+
+struct drm_device;
+struct drm_file;
+struct drm_pending_event;
+
+struct vmw_private;
+struct vmw_fence_manager;
+
+/**
+ *
+ *
+ */
+enum vmw_action_type {
+ VMW_ACTION_EVENT = 0,
+ VMW_ACTION_MAX
+};
+
+struct vmw_fence_action {
+ struct list_head head;
+ enum vmw_action_type type;
+ void (*seq_passed) (struct vmw_fence_action *action);
+ void (*cleanup) (struct vmw_fence_action *action);
+};
+
+struct vmw_fence_obj {
+ struct dma_fence base;
+
+ struct list_head head;
+ struct list_head seq_passed_actions;
+ void (*destroy)(struct vmw_fence_obj *fence);
+};
+
+extern struct vmw_fence_manager *
+vmw_fence_manager_init(struct vmw_private *dev_priv);
+
+extern void vmw_fence_manager_takedown(struct vmw_fence_manager *fman);
+
+static inline void
+vmw_fence_obj_unreference(struct vmw_fence_obj **fence_p)
+{
+ struct vmw_fence_obj *fence = *fence_p;
+
+ *fence_p = NULL;
+ if (fence)
+ dma_fence_put(&fence->base);
+}
+
+static inline struct vmw_fence_obj *
+vmw_fence_obj_reference(struct vmw_fence_obj *fence)
+{
+ if (fence)
+ dma_fence_get(&fence->base);
+ return fence;
+}
+
+extern void vmw_fences_update(struct vmw_fence_manager *fman);
+
+extern bool vmw_fence_obj_signaled(struct vmw_fence_obj *fence);
+
+extern int vmw_fence_obj_wait(struct vmw_fence_obj *fence,
+ bool lazy,
+ bool interruptible, unsigned long timeout);
+
+extern void vmw_fence_obj_flush(struct vmw_fence_obj *fence);
+
+extern int vmw_fence_create(struct vmw_fence_manager *fman,
+ uint32_t seqno,
+ struct vmw_fence_obj **p_fence);
+
+extern int vmw_user_fence_create(struct drm_file *file_priv,
+ struct vmw_fence_manager *fman,
+ uint32_t sequence,
+ struct vmw_fence_obj **p_fence,
+ uint32_t *p_handle);
+
+extern int vmw_wait_dma_fence(struct vmw_fence_manager *fman,
+ struct dma_fence *fence);
+
+extern void vmw_fence_fifo_up(struct vmw_fence_manager *fman);
+
+extern void vmw_fence_fifo_down(struct vmw_fence_manager *fman);
+
+extern int vmw_fence_obj_wait_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+
+extern int vmw_fence_obj_signaled_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+
+extern int vmw_fence_obj_unref_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+extern int vmw_fence_event_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+extern int vmw_event_fence_action_queue(struct drm_file *filee_priv,
+ struct vmw_fence_obj *fence,
+ struct drm_pending_event *event,
+ uint32_t *tv_sec,
+ uint32_t *tv_usec,
+ bool interruptible);
+#endif /* _VMWGFX_FENCE_H_ */