/* SPDX-License-Identifier: GPL-2.0-only */ /* * Host1x context devices * * Copyright (c) 2020, NVIDIA Corporation. */ #ifndef __HOST1X_CONTEXT_H #define __HOST1X_CONTEXT_H #include <linux/mutex.h> #include <linux/refcount.h> struct host1x; extern struct bus_type host1x_context_device_bus_type; struct host1x_memory_context_list { struct mutex lock; struct host1x_memory_context *devs; unsigned int len; }; #ifdef CONFIG_IOMMU_API int host1x_memory_context_list_init(struct host1x *host1x); void host1x_memory_context_list_free(struct host1x_memory_context_list *cdl); #else static inline int host1x_memory_context_list_init(struct host1x *host1x) { return 0; } static inline void host1x_memory_context_list_free(struct host1x_memory_context_list *cdl) { } #endif #endif