Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 48 insertions, 0 deletions

diff --git a/src/isa-l/igzip/igzip_level_buf_structs.h b/src/isa-l/igzip/igzip_level_buf_structs.h
new file mode 100644
index 000000000..5c195e3f1
--- /dev/null
+++ b/src/isa-l/igzip/igzip_level_buf_structs.h
@@ -0,0 +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"
+
+#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