/**************************************************************************** * * The MIT License (MIT) * * Copyright (c) 2014 - 2021 VERISILICON * * 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. * ***************************************************************************** * * The GPL License (GPL) * * Copyright (C) 2014 - 2021 VERISILICON * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * ***************************************************************************** * * Note: This software is released under dual MIT and GPL licenses. A * recipient may use this file under the terms of either the MIT license or * GPL License. If you wish to use only one license not the other, you can * indicate your decision by deleting one of the above license notices in your * version of this file. * *****************************************************************************/ #ifndef _MEMALLOC_FREERTOS_H_ #define _MEMALLOC_FREERTOS_H_ #include "user_freertos.h" #include "dev_common_freertos.h" #undef PDEBUG /* undef it, just in case */ #ifdef MEMALLOC_DEBUG /* This one for user space */ #define PDEBUG(fmt, args...) fprintf(stderr, fmt, ## args) #else #define PDEBUG(fmt, args...) /* not debugging: nothing */ #endif /* * Ioctl definitions */ /* Use 'k' as magic number */ #define MEMALLOC_IOC_MAGIC 'k' /* * S means "Set" through a ptr, * T means "Tell" directly with the argument value * G means "Get": reply by setting through a pointer * Q means "Query": response is on the return value * X means "eXchange": G and S atomically * H means "sHift": T and Q atomically */ #define MEMALLOC_IOCXGETBUFFER _IOWR(MEMALLOC_IOC_MAGIC, 1, MemallocParams*) #define MEMALLOC_IOCSFREEBUFFER _IOW(MEMALLOC_IOC_MAGIC, 2, unsigned long*) #define MEMALLOC_IOCGMEMBASE _IOR(MEMALLOC_IOC_MAGIC, 3, unsigned long *) /* ... more to come */ #define MEMALLOC_IOCHARDRESET _IO(MEMALLOC_IOC_MAGIC, 15) /* debugging tool */ #define MEMALLOC_IOC_MAXNR 15 typedef struct { unsigned long long bus_address; unsigned int size; unsigned long translation_offset; unsigned int mem_type; } MemallocParams; //Mem device int __init memalloc_init(void); int memalloc_open(int *inode, int filp); int memalloc_release(int *inode, int filp); long memalloc_ioctl(int filp, unsigned int cmd, void *arg); void * DirectMemoryMap(unsigned long long busaddr, unsigned long map_size); addr_t GetBusAddrForIODevide(unsigned int size); #endif /* _MEMALLOC_FREERTOS_H_ */