/* * Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved. * Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** * @defgroup los_vm_map vm common definition * @ingroup kernel */ #ifndef __LOS_VM_COMMON_H__ #define __LOS_VM_COMMON_H__ #ifdef __cplusplus #if __cplusplus extern "C" { #endif /* __cplusplus */ #endif /* __cplusplus */ /* user address space, defaults to below kernel space with a 16MB guard gap on either side */ #ifndef USER_ASPACE_BASE #define USER_ASPACE_BASE ((vaddr_t)0x01000000UL) #endif #ifndef USER_ASPACE_SIZE #define USER_ASPACE_SIZE ((vaddr_t)KERNEL_ASPACE_BASE - USER_ASPACE_BASE - 0x01000000UL) #endif #define USER_ASPACE_TOP_MAX ((vaddr_t)(USER_ASPACE_BASE + USER_ASPACE_SIZE)) #define USER_HEAP_BASE ((vaddr_t)(USER_ASPACE_TOP_MAX >> 2)) #define USER_MAP_BASE ((vaddr_t)(USER_ASPACE_TOP_MAX >> 1)) #define USER_MAP_SIZE ((vaddr_t)(USER_ASPACE_SIZE >> 3)) #ifndef PAGE_SIZE #define PAGE_SIZE (0x1000U) #endif #define PAGE_MASK (~(PAGE_SIZE - 1)) #define PAGE_SHIFT (12) #define KB (1024UL) #define MB (1024UL * 1024UL) #define GB (1024UL * 1024UL * 1024UL) #define ROUNDUP(a, b) (((a) + ((b) - 1)) & ~((b) - 1)) #define ROUNDDOWN(a, b) ((a) & ~((b) - 1)) #define ROUNDOFFSET(a, b) ((a) & ((b) - 1)) #define MIN2(a, b) (((a) < (b)) ? (a) : (b)) #define IS_ALIGNED(a, b) (!(((UINTPTR)(a)) & (((UINTPTR)(b)) - 1))) #define IS_PAGE_ALIGNED(x) IS_ALIGNED(x, PAGE_SIZE) #define IS_SECTION_ALIGNED(x) IS_ALIGNED(x, SECTION_SIZE) #define LOS_ERRNO_VM_NO_ERROR (0) #define LOS_ERRNO_VM_GENERIC (-1) #define LOS_ERRNO_VM_NOT_FOUND (-2) #define LOS_ERRNO_VM_NOT_READY (-3) #define LOS_ERRNO_VM_NO_MSG (-4) #define LOS_ERRNO_VM_NO_MEMORY (-5) #define LOS_ERRNO_VM_ALREADY_STARTED (-6) #define LOS_ERRNO_VM_NOT_VALID (-7) #define LOS_ERRNO_VM_INVALID_ARGS (-8) #define LOS_ERRNO_VM_NOT_ENOUGH_BUFFER (-9) #define LOS_ERRNO_VM_NOT_SUSPENDED (-10) #define LOS_ERRNO_VM_OBJECT_DESTROYED (-11) #define LOS_ERRNO_VM_NOT_BLOCKED (-12) #define LOS_ERRNO_VM_TIMED_OUT (-13) #define LOS_ERRNO_VM_ALREADY_EXISTS (-14) #define LOS_ERRNO_VM_CHANNEL_CLOSED (-15) #define LOS_ERRNO_VM_OFFLINE (-16) #define LOS_ERRNO_VM_NOT_ALLOWED (-17) #define LOS_ERRNO_VM_BAD_PATH (-18) #define LOS_ERRNO_VM_ALREADY_MOUNTED (-19) #define LOS_ERRNO_VM_IO (-20) #define LOS_ERRNO_VM_NOT_DIR (-21) #define LOS_ERRNO_VM_NOT_FILE (-22) #define LOS_ERRNO_VM_RECURSE_TOO_DEEP (-23) #define LOS_ERRNO_VM_NOT_SUPPORTED (-24) #define LOS_ERRNO_VM_TOO_BIG (-25) #define LOS_ERRNO_VM_CANCELLED (-26) #define LOS_ERRNO_VM_NOT_IMPLEMENTED (-27) #define LOS_ERRNO_VM_CHECKSUM_FAIL (-28) #define LOS_ERRNO_VM_CRC_FAIL (-29) #define LOS_ERRNO_VM_CMD_UNKNOWN (-30) #define LOS_ERRNO_VM_BAD_STATE (-31) #define LOS_ERRNO_VM_BAD_LEN (-32) #define LOS_ERRNO_VM_BUSY (-33) #define LOS_ERRNO_VM_THREAD_DETACHED (-34) #define LOS_ERRNO_VM_I2C_NACK (-35) #define LOS_ERRNO_VM_ALREADY_EXPIRED (-36) #define LOS_ERRNO_VM_OUT_OF_RANGE (-37) #define LOS_ERRNO_VM_NOT_CONFIGURED (-38) #define LOS_ERRNO_VM_NOT_MOUNTED (-39) #define LOS_ERRNO_VM_FAULT (-40) #define LOS_ERRNO_VM_NO_RESOURCES (-41) #define LOS_ERRNO_VM_BAD_HANDLE (-42) #define LOS_ERRNO_VM_ACCESS_DENIED (-43) #define LOS_ERRNO_VM_PARTIAL_WRITE (-44) #define LOS_ERRNO_VM_LOCK (-45) #define LOS_ERRNO_VM_MAP_FAILED (-46) #define VM_ERR(args...) do { \ PRINT_ERR("%s %d ", __FUNCTION__, __LINE__); \ if (PRINT_LEVEL == LOS_DEBUG_LEVEL) { \ PRINTK(args); \ } \ PRINTK("\n"); \ } while (0) #ifdef __cplusplus #if __cplusplus } #endif /* __cplusplus */ #endif /* __cplusplus */ #endif /* __LOS_VM_COMMON_H__ */