/* * GK20A Address Spaces * * Copyright (c) 2011-2015, NVIDIA CORPORATION. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. */ #ifndef AS_GK20A_H #define AS_GK20A_H #include #include #include struct gk20a_as; struct gk20a_as_share; struct vm_gk20a; struct gk20a_as_share { struct gk20a_as *as; atomic_t ref_cnt; int id; struct vm_gk20a *vm; }; struct gk20a_as { int last_share_id; /* dummy allocator for now */ struct cdev cdev; struct device *node; }; int gk20a_as_release_share(struct gk20a_as_share *as_share); /* struct file_operations driver interface */ int gk20a_as_dev_open(struct inode *inode, struct file *filp); int gk20a_as_dev_release(struct inode *inode, struct file *filp); long gk20a_as_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); /* if big_page_size == 0, the default big page size is used */ int gk20a_as_alloc_share(struct gk20a_as *as, u32 big_page_size, u32 flags, struct gk20a_as_share **out); #endif