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stream.h 8.2 kB

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  1. /*
  2. * Copyright (c) Huawei Technologies Co., Ltd. 2020-2021. All rights reserved.
  3. * Description: stream.h
  4. * Create: 2020-01-01
  5. */
  6. #ifndef CCE_RUNTIME_STREAM_H
  7. #define CCE_RUNTIME_STREAM_H
  8. #include "base.h"
  9. #include "event.h"
  10. #if defined(__cplusplus)
  11. extern "C" {
  12. #endif
  13. /**
  14. * @ingroup stream_flags
  15. * @brief stream op bit flags
  16. */
  17. #define RT_STREAM_DEFAULT (0x00U)
  18. #define RT_STREAM_PERSISTENT (0x01U)
  19. #define RT_STREAM_FORCE_COPY (0x02U)
  20. #define RT_STREAM_HUGE (0x04U)
  21. #define RT_STREAM_AICPU (0x08U)
  22. #define RT_STREAM_FORBIDDEN_DEFAULT (0x10U)
  23. #define RT_STREAM_HEAD (0x20U)
  24. #define RT_STREAM_PRIMARY_DEFAULT (0x40U)
  25. #define RT_STREAM_PRIMARY_FIRST_DEFAULT (0x80U)
  26. #define RT_STREAM_OVERFLOW (0x100U)
  27. /**
  28. * @ingroup stream_type
  29. * @brief stream type
  30. */
  31. #define RT_NORMAL_STREAM (0x00U)
  32. #define RT_HUGE_STREAM (0x01U)
  33. /**
  34. * priority level default value when create a stream
  35. */
  36. #define RT_STREAM_PRIORITY_DEFAULT (0U)
  37. /**
  38. * @ingroup dvrt_stream
  39. * @brief create stream instance
  40. * @param [in|out] stm created stream
  41. * @param [in] priority stream priority
  42. * @return RT_ERROR_NONE for ok
  43. * @return RT_ERROR_INVALID_VALUE for error input
  44. */
  45. RTS_API rtError_t rtStreamCreate(rtStream_t *stm, int32_t priority);
  46. /**
  47. * @ingroup dvrt_stream
  48. * @brief create stream instance
  49. * @param [in|out] stm created stream
  50. * @param [in] priority stream priority
  51. * @param [in] flags stream op flags
  52. * @return RT_ERROR_NONE for ok
  53. * @return RT_ERROR_INVALID_VALUE for error input
  54. */
  55. RTS_API rtError_t rtStreamCreateWithFlags(rtStream_t *stm, int32_t priority, uint32_t flags);
  56. /**
  57. * @ingroup dvrt_stream
  58. * @brief destroy stream instance.
  59. * @param [in] stm the stream to destroy
  60. * @return RT_ERROR_NONE for ok
  61. * @return RT_ERROR_INVALID_VALUE for error input
  62. */
  63. RTS_API rtError_t rtStreamDestroy(rtStream_t stm);
  64. /**
  65. * @ingroup dvrt_stream
  66. * @brief wait an recorded event for stream
  67. * @param [in] stm the wait stream
  68. * @param [in] event the event to wait
  69. * @return RT_ERROR_NONE for ok
  70. * @return RT_ERROR_INVALID_VALUE for error input
  71. */
  72. RTS_API rtError_t rtStreamWaitEvent(rtStream_t stm, rtEvent_t evt);
  73. /**
  74. * @ingroup dvrt_stream
  75. * @brief wait an recorded event for stream, used for 1951 pg1
  76. * @param [in] stm the wait stream
  77. * @param [in] event the event to wait
  78. * @param [in] timeout timeout value for 1951 pg1
  79. * @return RT_ERROR_NONE for ok
  80. * @return RT_ERROR_INVALID_VALUE for error input
  81. */
  82. RTS_API rtError_t rtStreamWaitEventWithTimeout(rtStream_t stm, rtEvent_t evt, uint32_t timeout);
  83. /**
  84. * @ingroup dvrt_stream
  85. * @brief wait stream to be complete
  86. * @param [in] stm stream to wait
  87. * @return RT_ERROR_NONE for ok
  88. * @return RT_ERROR_INVALID_VALUE for error input
  89. */
  90. RTS_API rtError_t rtStreamSynchronize(rtStream_t stm);
  91. /**
  92. * @ingroup dvrt_stream
  93. * @brief wait stream to be complete and set timeout
  94. * @param [in] stm stream to wait
  95. * @param [in] timeout timeout value,the unit is milliseconds
  96. * @return RT_ERROR_NONE for ok
  97. * @return RT_ERROR_INVALID_VALUE for error input
  98. */
  99. RTS_API rtError_t rtStreamSynchronizeWithTimeout(rtStream_t stm, int32_t timeout);
  100. /**
  101. * @ingroup dvrt_stream
  102. * @brief queries an asynchronous stream for completion status
  103. * @param [in] stm stream to query
  104. * @return RT_ERROR_NONE for complete
  105. * @return RT_ERROR_STREAM_NOT_COMPLETE for not complete
  106. */
  107. RTS_API rtError_t rtStreamQuery(rtStream_t stm);
  108. /**
  109. * @ingroup dvrt_stream
  110. * @brief get stream id from a stream handle
  111. * @param [in] stm stream hadle
  112. * @param [in] streamId stream id
  113. * @return RT_ERROR_NONE for complete
  114. * @return RT_ERROR_INVALID_VALUE for error input
  115. */
  116. RTS_API rtError_t rtGetStreamId(rtStream_t stm, int32_t *streamId);
  117. /**
  118. * @ingroup dvrt_stream
  119. * @brief inquire max stream count and max task count per stream
  120. * @param [in] streamType Stream Type
  121. * @param [in] MaxStrCount Max stream count
  122. * @param [in] MaxTaskCount max task count per stream
  123. * @return RT_ERROR_NONE for complete
  124. * @return RT_ERROR_INVALID_VALUE for error input
  125. */
  126. RTS_API rtError_t rtGetMaxStreamAndTask(uint32_t streamType, uint32_t *maxStrCount, uint32_t *maxTaskCount);
  127. /**
  128. * @ingroup dvrt_stream
  129. * @brief Name a stream
  130. * @param [in] stm stream to be named
  131. * @param [in] name identification name
  132. * @return RT_ERROR_NONE for complete
  133. * @return RT_ERROR_INVALID_VALUE for error input
  134. */
  135. RTS_API rtError_t rtNameStream(rtStream_t stm, const char_t *name);
  136. /**
  137. * @ingroup dvrt_stream
  138. * @brief switch to the corresponding stream according to the contents of the ptr
  139. * @param [in] ptr Determine the address where the value of the true and false branches is located
  140. * @param [in] condition switch condition
  141. * @param [in] val switch value
  142. * @param [in] trueStream Stream that needs to be activated when the value is non-zero
  143. * @param [in] stm input stream to init task
  144. * @return RT_ERROR_NONE for complete
  145. * @return RT_ERROR_INVALID_VALUE for error input
  146. */
  147. RTS_API rtError_t rtStreamSwitch(void *ptr, rtCondition_t condition, int64_t val, rtStream_t trueStream,
  148. rtStream_t stm);
  149. /**
  150. * @brief execute extensible stream switch task
  151. * @param [in] ptr pointer of value
  152. * @param [in] condition judge condition
  153. * @param [in] value_ptr pointer of target value
  154. * @param [in] true_stream stream to be activated when value is not zero
  155. * @param [in] stm stream id
  156. * @param [in] dataType data type of target value
  157. * @return RT_ERROR_NONE for complete
  158. */
  159. RTS_API rtError_t rtStreamSwitchEx(void *ptr, rtCondition_t condition, void *valuePtr, rtStream_t trueStream,
  160. rtStream_t stm, rtSwitchDataType_t dataType);
  161. /**
  162. * @ingroup dvrt_stream
  163. * @brief Active a stream
  164. * @param [in] activeStream stream to be activated
  165. * @param [in] stm input stream to init task
  166. * @return RT_ERROR_NONE for complete
  167. * @return RT_ERROR_INVALID_VALUE for error input
  168. */
  169. RTS_API rtError_t rtStreamActive(rtStream_t activeStream, rtStream_t stm);
  170. /**
  171. * @brief execute extensible stream case switch task
  172. * @param [in] ptr pointer of value
  173. * @param [in] size pointer num of value
  174. * @param [in] valuePtr pointer of target value, length = size * elementSize
  175. * @param [in] trueStreamPtr streams to be activated
  176. * @param [in] elementSize size of to be activated true streams
  177. * @param [in] stm input stream to init task
  178. * @param [in] dataType data type of target value
  179. * @return RT_ERROR_NONE for complete
  180. */
  181. RTS_API rtError_t rtStreamSwitchN(void *ptr, uint32_t size, void *valuePtr, rtStream_t *trueStreamPtr,
  182. uint32_t elementSize, rtStream_t stm, rtSwitchDataType_t dataType);
  183. /*
  184. * @ingroup dvrt_stream
  185. * @brief enable debug for dump overflow exception with stream
  186. * @param [in] addr: ddr address of kernel exception dumpped
  187. * @param [in] stm: stream handle
  188. * @param [in] flag: debug flag
  189. * @return RT_ERROR_NONE for ok
  190. * @return RT_ERROR_INVALID_VALUE for error input
  191. */
  192. RTS_API rtError_t rtDebugRegisterForStream(rtStream_t stm, uint32_t flag, const void *addr,
  193. uint32_t *streamId, uint32_t *taskId);
  194. /*
  195. * @ingroup rt_model
  196. * @brief disable debug for dump overflow exception with stream
  197. * @param [in] stm: stream handle
  198. * @return RT_ERROR_NONE for ok
  199. * @return RT_ERROR_INVALID_VALUE for error input
  200. */
  201. RTS_API rtError_t rtDebugUnRegisterForStream(rtStream_t stm);
  202. /*
  203. * @ingroup dvrt_stream
  204. * @brief enable or disable stream overflow
  205. * @param [in] stm: stream handle
  206. * @param [in] flag: 0:disable others:enable
  207. * @return RT_ERROR_NONE for ok
  208. * @return RT_ERROR_INVALID_VALUE for error input
  209. */
  210. RTS_API rtError_t rtSetStreamOverflowSwitch(rtStream_t stm, uint32_t flags);
  211. /*
  212. * @ingroup dvrt_stream
  213. * @brief get whether overflow of the stream is enable or disable
  214. * @param [in] stm: stream handle
  215. * @param [out] flag: 0:disable others:enable
  216. * @return RT_ERROR_NONE for ok
  217. * @return RT_ERROR_INVALID_VALUE for error input
  218. */
  219. RTS_API rtError_t rtGetStreamOverflowSwitch(rtStream_t stm, uint32_t *flags);
  220. #if defined(__cplusplus)
  221. }
  222. #endif
  223. #endif // CCE_RUNTIME_STREAM_H

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