[ceph.git] / ceph / src / isa-l / igzip / igzip_level_buf_structs.h

#ifndef IGZIP_LEVEL_BUF_STRUCTS_H
#define IGZIP_LEVEL_BUF_STRUCTS_H

#include "igzip_lib.h"
#include "huff_codes.h"
#include "encode_df.h"

#define MATCH_BUF_SIZE (4 * 1024)

struct hash8k_buf {
	uint16_t hash_table[IGZIP_HASH8K_HASH_SIZE];
};

struct hash_hist_buf {
	uint16_t hash_table[IGZIP_HASH_HIST_SIZE];
};

struct hash_map_buf {
	uint16_t hash_table[IGZIP_HASH_MAP_HASH_SIZE];
	struct deflate_icf *matches_next;
	struct deflate_icf *matches_end;
	struct deflate_icf matches[MATCH_BUF_SIZE];
	struct deflate_icf overflow[ISAL_LOOK_AHEAD];
};

#define MAX_LVL_BUF_SIZE sizeof(struct hash_map_buf)

struct level_buf {
	struct hufftables_icf encode_tables;
	struct isal_mod_hist hist;
	uint32_t deflate_hdr_count;
	uint32_t deflate_hdr_extra_bits;
	uint8_t deflate_hdr[ISAL_DEF_MAX_HDR_SIZE];
	struct deflate_icf *icf_buf_next;
	uint64_t icf_buf_avail_out;
	struct deflate_icf *icf_buf_start;
	union {
		struct hash8k_buf hash8k;
		struct hash_hist_buf hash_hist;
		struct hash_map_buf hash_map;

		struct hash8k_buf lvl1;
		struct hash_hist_buf lvl2;
		struct hash_map_buf lvl3;
	};
};

#endif
Commit	Line	Data
224ce89b WB	1	#ifndef IGZIP_LEVEL_BUF_STRUCTS_H
	2	#define IGZIP_LEVEL_BUF_STRUCTS_H
	3
f91f0fd5	4	#include "igzip_lib.h"
224ce89b WB	5	#include "huff_codes.h"
	6	#include "encode_df.h"
	7
f91f0fd5 TL	8	#define MATCH_BUF_SIZE (4 * 1024)
	9
	10	struct hash8k_buf {
	11	uint16_t hash_table[IGZIP_HASH8K_HASH_SIZE];
	12	};
	13
	14	struct hash_hist_buf {
	15	uint16_t hash_table[IGZIP_HASH_HIST_SIZE];
	16	};
	17
	18	struct hash_map_buf {
	19	uint16_t hash_table[IGZIP_HASH_MAP_HASH_SIZE];
	20	struct deflate_icf *matches_next;
	21	struct deflate_icf *matches_end;
	22	struct deflate_icf matches[MATCH_BUF_SIZE];
	23	struct deflate_icf overflow[ISAL_LOOK_AHEAD];
	24	};
	25
	26	#define MAX_LVL_BUF_SIZE sizeof(struct hash_map_buf)
	27
	28	struct level_buf {
224ce89b	29	struct hufftables_icf encode_tables;
f91f0fd5	30	struct isal_mod_hist hist;
224ce89b WB	31	uint32_t deflate_hdr_count;
	32	uint32_t deflate_hdr_extra_bits;
	33	uint8_t deflate_hdr[ISAL_DEF_MAX_HDR_SIZE];
	34	struct deflate_icf *icf_buf_next;
	35	uint64_t icf_buf_avail_out;
f91f0fd5 TL	36	struct deflate_icf *icf_buf_start;
	37	union {
	38	struct hash8k_buf hash8k;
	39	struct hash_hist_buf hash_hist;
	40	struct hash_map_buf hash_map;
	41
	42	struct hash8k_buf lvl1;
	43	struct hash_hist_buf lvl2;
	44	struct hash_map_buf lvl3;
	45	};
224ce89b	46	};
f91f0fd5	47
224ce89b	48	#endif