mirror of
https://github.com/thead-yocto-mirror/csi_hal
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51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/*
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* Copyright (C) 2021 Alibaba Group Holding Limited
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* Author: LuChongzhi <chongzhi.lcz@alibaba-inc.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __CSI_ALLOCATOR_H__
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#define __CSI_ALLOCATOR_H__
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#include <stddef.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <sys/types.h>
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typedef enum csi_allocator_type {
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CSI_ALLOCATOR_TYPE_SYSTEM,
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CSI_ALLOCATOR_TYPE_SYSTEM_CONTIG,
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CSI_ALLOCATOR_TYPE_CARVEOUT,
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CSI_ALLOCATOR_TYPE_DMA,
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CSI_ALLOCATOR_TYPE_CUSTOM,
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} csi_allocator_type_e; // refer from ion_heap_type
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typedef struct csi_mem {
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void *usr_addr;
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union {
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int64_t phy_addr; /* 0 means invalid */
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int fd; /* -1 means invalid */
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};
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size_t size;
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void *opaque; /* not for user, DO NOT use or modify it */
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} csi_mem_s;
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typedef struct csi_allocator {
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//int (*init)(char *args);
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csi_mem_s *(*alloc)(csi_allocator_type_e type, size_t size, uint32_t align);
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void (*free)(csi_mem_s *mem);
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void *(*map)(csi_mem_s *mem);
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void (*unmap)(csi_mem_s *mem);
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} csi_allocator_s;
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//csi_allocator_s *csi_allocator_get(csi_allocator_type_e type);
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int32_t csi_hal_set_allocator(csi_allocator_s allocator);
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int32_t csi_hal_get_allocator(csi_allocator_s *allocator);
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#endif /* __CSI_ALLOCATOR_H__ */
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