Import ceph 15.2.8

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

diff --git a/ceph/src/isa-l/igzip/igzip_level_buf_structs.h b/ceph/src/isa-l/igzip/igzip_level_buf_structs.h
index a408c509dc7938f8f904ffdecdc15c35acfcd9f2..5c195e3f13b4847cd8c25248cbabe3e0883c9895 100644 (file)
--- a/ceph/src/isa-l/igzip/igzip_level_buf_structs.h
+++ b/ceph/src/isa-l/igzip/igzip_level_buf_structs.h
@@ -1,16 +1,48 @@
 #ifndef IGZIP_LEVEL_BUF_STRUCTS_H
 #define IGZIP_LEVEL_BUF_STRUCTS_H
 
+#include "igzip_lib.h"
 #include "huff_codes.h"
 #include "encode_df.h"
 
-struct level_2_buf {
+#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[];
+       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