v3d: Introduce a DRM shim for calling out to the simulator.

[mesa.git] / src / broadcom / drm-shim / v3d.h

diff --git a/src/broadcom/drm-shim/v3d.h b/src/broadcom/drm-shim/v3d.h
new file mode 100644 (file)
index 0000000..0712b8b
--- /dev/null
+++ b/src/broadcom/drm-shim/v3d.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright © 2018 Broadcom
+ *
+ * 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 DRM_SHIM_V3D_H
+#define DRM_SHIM_V3D_H
+
+#include "broadcom/common/v3d_device_info.h"
+#include "util/vma.h"
+
+struct drm_shim_fd;
+
+struct v3d_shim_device {
+        struct v3d_hw *hw;
+        struct v3d_device_info *devinfo;
+
+        /* Base virtual address of the heap. */
+        void *mem;
+        /* Base hardware address of the heap. */
+        uint32_t mem_base;
+        /* Size of the heap. */
+        size_t mem_size;
+
+        /* Allocator for the GPU virtual addresses. */
+        struct util_vma_heap heap;
+};
+extern struct v3d_shim_device v3d;
+
+struct v3d_bo {
+        struct shim_bo base;
+        uint64_t offset;
+        void *sim_vaddr;
+        void *gem_vaddr;
+};
+
+static inline struct v3d_bo *
+v3d_bo(struct shim_bo *bo)
+{
+        return (struct v3d_bo *)bo;
+}
+
+struct v3d_bo *v3d_bo_lookup(struct shim_fd *shim_fd, int handle);
+int v3d_ioctl_wait_bo(int fd, unsigned long request, void *arg);
+int v3d_ioctl_mmap_bo(int fd, unsigned long request, void *arg);
+int v3d_ioctl_get_bo_offset(int fd, unsigned long request, void *arg);
+
+void v3d33_drm_shim_driver_init(void);
+void v3d41_drm_shim_driver_init(void);
+void v3d42_drm_shim_driver_init(void);
+
+#endif /* DRM_SHIM_V3D_H */