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7  * LICENSE file in the root directory of https://github.com/facebook/zstd) and
9 * https://github.com/facebook/zstd). You may select, at your option, one of the
17 * This is a kernel-style API that wraps the upstream zstd API, which cannot be
19 * functionality which is currently required by users of zstd in the kernel.
20 * Expose extra functions from lib/zstd/zstd.h as needed.
46 * enum zstd_error_code - zstd error codes
83 * enum zstd_strategy - zstd compression search strategy
90 * struct zstd_compression_parameters - zstd compression parameters
102 * @strategy: The zstd compression strategy.
109 * struct zstd_frame_parameters - zstd frame parameters
122 * struct zstd_parameters - zstd parameters
157 * zstd_init_cctx() - initialize a zstd compression context
163 * Return: A zstd compression context or NULL on error.
196 * zstd_init_dctx() - initialize a zstd decompression context
202 * Return: A zstd decompression context or NULL on error.
207 * zstd_decompress_dctx() - decompress zstd compressed src into dst
213 * @src: The zstd compressed data to decompress. Multiple concatenated
261 * zstd_init_cstream() - initialize a zstd streaming compression context
262 * @parameters The zstd parameters to use for compression.
273 * Return: The zstd streaming compression context or NULL on error.
280 * @cstream: The zstd streaming compression context to reset.
295 * @cstream: The zstd streaming compression context.
315 * @cstream: The zstd streaming compression context.
330 * @cstream: The zstd streaming compression context.
356 * zstd_init_dstream() - initialize a zstd streaming decompression context
364 * Return: The zstd streaming decompression context.
371 * @dstream: The zstd streaming decompression context to reset.
382 * @dstream: The zstd streaming decompression context.
408 * @src: Source buffer. It should point to the start of a zstd encoded
420 * struct zstd_frame_params - zstd frame parameters stored in the frame header
425 * @frameType: The frame type (zstd or skippable)
435 * zstd_get_frame_header() - extracts parameters from a zstd or skippable frame
437 * @src: The source buffer. It must point to a zstd or skippable frame.