alibaba--mnn
wehub-resource-sync
97 行
2.7 KiB
C
97 行
2.7 KiB
C
#pragma once
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#include <stdint.h>
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// see hexagon SDK remote.h
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/** Defines the domain IDs for supported DSPs */
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#define ADSP_DOMAIN_ID 0
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#define MDSP_DOMAIN_ID 1
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#define SDSP_DOMAIN_ID 2
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#define CDSP_DOMAIN_ID 3
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#define CDSP1_DOMAIN_ID 4
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// rpcmem
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void rpcmem_init(void);
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void rpcmem_deinit(void);
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void * rpcmem_alloc(int heap_id, uint32_t flags, int size);
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void rpcmem_free(void * p);
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int rpcmem_to_fd(void * p);
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#define RPCMEM_FLAG_UNCACHED 0
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#define RPCMEM_FLAG_CACHED 1 // Allocate memory with the same properties as the ION_FLAG_CACHED flag
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enum rpc_heap_ids {
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RPCMEM_HEAP_ID_SECURE = 9,
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RPCMEM_HEAP_ID_CONTIG = 22,
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RPCMEM_HEAP_ID_SYSTEM = 25,
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};
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// fastrpc mmap & munmap
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/**
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* @enum fastrpc_map_flags for fastrpc_mmap and fastrpc_munmap
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* @brief Types of maps with cache maintenance
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*/
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enum fastrpc_map_flags {
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/**
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* Map memory pages with RW- permission and CACHE WRITEBACK.
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* Driver will clean cache when buffer passed in a FastRPC call.
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* Same remote virtual address will be assigned for subsequent
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* FastRPC calls.
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*/
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FASTRPC_MAP_STATIC,
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/** Reserved for compatibility with deprecated flag */
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FASTRPC_MAP_RESERVED,
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/**
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* Map memory pages with RW- permission and CACHE WRITEBACK.
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* Mapping tagged with a file descriptor. User is responsible for
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* maintenance of CPU and DSP caches for the buffer. Get virtual address
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* of buffer on DSP using HAP_mmap_get() and HAP_mmap_put() functions.
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*/
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FASTRPC_MAP_FD,
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/**
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* Mapping delayed until user calls HAP_mmap() and HAP_munmap()
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* functions on DSP. User is responsible for maintenance of CPU and DSP
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* caches for the buffer. Delayed mapping is useful for users to map
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* buffer on DSP with other than default permissions and cache modes
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* using HAP_mmap() and HAP_munmap() functions.
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*/
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FASTRPC_MAP_FD_DELAYED,
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/** Reserved for compatibility **/
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FASTRPC_MAP_RESERVED_4,
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FASTRPC_MAP_RESERVED_5,
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FASTRPC_MAP_RESERVED_6,
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FASTRPC_MAP_RESERVED_7,
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FASTRPC_MAP_RESERVED_8,
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FASTRPC_MAP_RESERVED_9,
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FASTRPC_MAP_RESERVED_10,
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FASTRPC_MAP_RESERVED_11,
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FASTRPC_MAP_RESERVED_12,
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FASTRPC_MAP_RESERVED_13,
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FASTRPC_MAP_RESERVED_14,
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FASTRPC_MAP_RESERVED_15,
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/**
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* This flag is used to skip CPU mapping,
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* otherwise behaves similar to FASTRPC_MAP_FD_DELAYED flag.
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*/
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FASTRPC_MAP_FD_NOMAP,
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/** Update FASTRPC_MAP_MAX when adding new value to this enum **/
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};
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int fastrpc_mmap(int domain, int fd, void * addr, int offset, size_t length, enum fastrpc_map_flags flags);
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int fastrpc_munmap(int domain, int fd, void * addr, size_t length);
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#ifdef __cplusplus
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}
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#endif
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