intel: add intel_gpu
This will be our internal representation of XGL_PHYSICAL_GPU.
diff --git a/icd/intel/gpu.h b/icd/intel/gpu.h
new file mode 100644
index 0000000..a95cf31
--- /dev/null
+++ b/icd/intel/gpu.h
@@ -0,0 +1,96 @@
+/*
+ * XGL
+ *
+ * Copyright (C) 2014 LunarG, 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 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 GPU_H
+#define GPU_H
+
+#include "intel.h"
+
+enum intel_gpu_engine_type {
+ /* TODO BLT support */
+ INTEL_GPU_ENGINE_3D,
+
+ INTEL_GPU_ENGINE_COUNT
+};
+
+/*
+ * intel_gpu is the only object that does not inherit from intel_base.
+ */
+struct intel_gpu {
+ const struct icd_dispatch_table *dispatch;
+
+ struct intel_gpu *next;
+
+ int devid; /* PCI device ID */
+ char *path; /* path to the render or legacy node, or NULL */
+ int gen_opaque; /* always read with intel_gpu_gen() */
+
+ int batch_buffer_size;
+
+ /*
+ * The enabled hardware features could be limited by the kernel. This
+ * mutable internal fd allows us to talk to the kernel when we need to.
+ */
+ int fd_internal;
+
+ int fd;
+};
+
+static inline struct intel_gpu *intel_gpu(XGL_PHYSICAL_GPU gpu)
+{
+ return (struct intel_gpu *) gpu;
+}
+
+static inline int intel_gpu_gen(const struct intel_gpu *gpu)
+{
+#ifdef INTEL_GEN_SPECIALIZED
+ return INTEL_GEN(INTEL_GEN_SPECIALIZED);
+#else
+ return gpu->gen_opaque;
+#endif
+}
+
+bool intel_gpu_is_valid(const struct intel_gpu *gpu);
+
+XGL_RESULT intel_gpu_add(int devid, const char *path,
+ struct intel_gpu **gpu_ret);
+void intel_gpu_remove_all(void);
+struct intel_gpu *intel_gpu_get_list(void);
+
+void intel_gpu_get_props(const struct intel_gpu *gpu,
+ XGL_PHYSICAL_GPU_PROPERTIES *props);
+void intel_gpu_get_perf(const struct intel_gpu *gpu,
+ XGL_PHYSICAL_GPU_PERFORMANCE *perf);
+void intel_gpu_get_queue_props(const struct intel_gpu *gpu,
+ enum intel_gpu_engine_type engine,
+ XGL_PHYSICAL_GPU_QUEUE_PROPERTIES *props);
+void intel_gpu_get_memory_props(const struct intel_gpu *gpu,
+ XGL_PHYSICAL_GPU_MEMORY_PROPERTIES *props);
+
+XGL_RESULT intel_gpu_open(struct intel_gpu *gpu);
+void intel_gpu_close(struct intel_gpu *gpu);
+
+bool intel_gpu_has_extension(const struct intel_gpu *gpu, const char *ext);
+
+#endif /* GPU_H */