141 lines
5.9 KiB
C
Executable File
141 lines
5.9 KiB
C
Executable File
/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @defgroup los_vm_map vm common definition
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* @ingroup kernel
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*/
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#ifndef __LOS_VM_COMMON_H__
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#define __LOS_VM_COMMON_H__
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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/* user address space, defaults to below kernel space with a 16MB guard gap on either side */
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#ifndef USER_ASPACE_BASE
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#define USER_ASPACE_BASE ((vaddr_t)0x01000000UL)
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#endif
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#ifndef USER_ASPACE_SIZE
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#define USER_ASPACE_SIZE ((vaddr_t)KERNEL_ASPACE_BASE - USER_ASPACE_BASE - 0x01000000UL)
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#endif
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#define USER_ASPACE_TOP_MAX ((vaddr_t)(USER_ASPACE_BASE + USER_ASPACE_SIZE))
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#define USER_HEAP_BASE ((vaddr_t)(USER_ASPACE_TOP_MAX >> 2))
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#define USER_MAP_BASE ((vaddr_t)(USER_ASPACE_TOP_MAX >> 1))
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#define USER_MAP_SIZE ((vaddr_t)(USER_ASPACE_SIZE >> 3))
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#ifndef PAGE_SIZE
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#define PAGE_SIZE (0x1000U)
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#endif
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#define PAGE_MASK (~(PAGE_SIZE - 1))
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#define PAGE_SHIFT (12)
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#define KB (1024UL)
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#define MB (1024UL * 1024UL)
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#define GB (1024UL * 1024UL * 1024UL)
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#define ROUNDUP(a, b) (((a) + ((b) - 1)) & ~((b) - 1))
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#define ROUNDDOWN(a, b) ((a) & ~((b) - 1))
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#define ROUNDOFFSET(a, b) ((a) & ((b) - 1))
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#define MIN2(a, b) (((a) < (b)) ? (a) : (b))
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#define IS_ALIGNED(a, b) (!(((UINTPTR)(a)) & (((UINTPTR)(b)) - 1)))
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#define IS_PAGE_ALIGNED(x) IS_ALIGNED(x, PAGE_SIZE)
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#define IS_SECTION_ALIGNED(x) IS_ALIGNED(x, SECTION_SIZE)
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#define LOS_ERRNO_VM_NO_ERROR (0)
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#define LOS_ERRNO_VM_GENERIC (-1)
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#define LOS_ERRNO_VM_NOT_FOUND (-2)
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#define LOS_ERRNO_VM_NOT_READY (-3)
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#define LOS_ERRNO_VM_NO_MSG (-4)
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#define LOS_ERRNO_VM_NO_MEMORY (-5)
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#define LOS_ERRNO_VM_ALREADY_STARTED (-6)
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#define LOS_ERRNO_VM_NOT_VALID (-7)
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#define LOS_ERRNO_VM_INVALID_ARGS (-8)
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#define LOS_ERRNO_VM_NOT_ENOUGH_BUFFER (-9)
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#define LOS_ERRNO_VM_NOT_SUSPENDED (-10)
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#define LOS_ERRNO_VM_OBJECT_DESTROYED (-11)
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#define LOS_ERRNO_VM_NOT_BLOCKED (-12)
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#define LOS_ERRNO_VM_TIMED_OUT (-13)
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#define LOS_ERRNO_VM_ALREADY_EXISTS (-14)
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#define LOS_ERRNO_VM_CHANNEL_CLOSED (-15)
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#define LOS_ERRNO_VM_OFFLINE (-16)
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#define LOS_ERRNO_VM_NOT_ALLOWED (-17)
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#define LOS_ERRNO_VM_BAD_PATH (-18)
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#define LOS_ERRNO_VM_ALREADY_MOUNTED (-19)
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#define LOS_ERRNO_VM_IO (-20)
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#define LOS_ERRNO_VM_NOT_DIR (-21)
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#define LOS_ERRNO_VM_NOT_FILE (-22)
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#define LOS_ERRNO_VM_RECURSE_TOO_DEEP (-23)
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#define LOS_ERRNO_VM_NOT_SUPPORTED (-24)
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#define LOS_ERRNO_VM_TOO_BIG (-25)
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#define LOS_ERRNO_VM_CANCELLED (-26)
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#define LOS_ERRNO_VM_NOT_IMPLEMENTED (-27)
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#define LOS_ERRNO_VM_CHECKSUM_FAIL (-28)
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#define LOS_ERRNO_VM_CRC_FAIL (-29)
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#define LOS_ERRNO_VM_CMD_UNKNOWN (-30)
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#define LOS_ERRNO_VM_BAD_STATE (-31)
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#define LOS_ERRNO_VM_BAD_LEN (-32)
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#define LOS_ERRNO_VM_BUSY (-33)
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#define LOS_ERRNO_VM_THREAD_DETACHED (-34)
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#define LOS_ERRNO_VM_I2C_NACK (-35)
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#define LOS_ERRNO_VM_ALREADY_EXPIRED (-36)
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#define LOS_ERRNO_VM_OUT_OF_RANGE (-37)
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#define LOS_ERRNO_VM_NOT_CONFIGURED (-38)
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#define LOS_ERRNO_VM_NOT_MOUNTED (-39)
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#define LOS_ERRNO_VM_FAULT (-40)
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#define LOS_ERRNO_VM_NO_RESOURCES (-41)
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#define LOS_ERRNO_VM_BAD_HANDLE (-42)
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#define LOS_ERRNO_VM_ACCESS_DENIED (-43)
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#define LOS_ERRNO_VM_PARTIAL_WRITE (-44)
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#define LOS_ERRNO_VM_LOCK (-45)
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#define LOS_ERRNO_VM_MAP_FAILED (-46)
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#define VM_ERR(args...) do { \
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PRINT_ERR("%s %d ", __FUNCTION__, __LINE__); \
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if (PRINT_LEVEL == LOS_DEBUG_LEVEL) { \
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PRINTK(args); \
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} \
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PRINTK("\n"); \
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} while (0)
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#endif /* __LOS_VM_COMMON_H__ */
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