1 // SPDX-License-Identifier: Zlib 1 // SPDX-License-Identifier: Zlib
2 /* dfltcc.c - SystemZ DEFLATE CONVERSION CALL 2 /* dfltcc.c - SystemZ DEFLATE CONVERSION CALL support. */
3 3
4 #include <linux/export.h> !! 4 #include <linux/zutil.h>
5 #include <linux/module.h> <<
6 #include "dfltcc_util.h" 5 #include "dfltcc_util.h"
7 #include "dfltcc.h" 6 #include "dfltcc.h"
8 7
9 char *oesc_msg( 8 char *oesc_msg(
10 char *buf, 9 char *buf,
11 int oesc 10 int oesc
12 ) 11 )
13 { 12 {
14 if (oesc == 0x00) 13 if (oesc == 0x00)
15 return NULL; /* Successful completion 14 return NULL; /* Successful completion */
16 else { 15 else {
17 #ifdef STATIC 16 #ifdef STATIC
18 return NULL; /* Ignore for pre-boot de 17 return NULL; /* Ignore for pre-boot decompressor */
19 #else 18 #else
20 sprintf(buf, "Operation-Ending-Supplem 19 sprintf(buf, "Operation-Ending-Supplemental Code is 0x%.2X", oesc);
21 return buf; 20 return buf;
22 #endif 21 #endif
23 } 22 }
24 } 23 }
25 24
26 void dfltcc_reset_state(struct dfltcc_state *d !! 25 void dfltcc_reset(
>> 26 z_streamp strm,
>> 27 uInt size
>> 28 )
>> 29 {
>> 30 struct dfltcc_state *dfltcc_state =
>> 31 (struct dfltcc_state *)((char *)strm->state + size);
>> 32 struct dfltcc_qaf_param *param =
>> 33 (struct dfltcc_qaf_param *)&dfltcc_state->param;
>> 34
27 /* Initialize available functions */ 35 /* Initialize available functions */
28 if (is_dfltcc_enabled()) { 36 if (is_dfltcc_enabled()) {
29 dfltcc(DFLTCC_QAF, &dfltcc_state->para !! 37 dfltcc(DFLTCC_QAF, param, NULL, NULL, NULL, NULL, NULL);
30 memmove(&dfltcc_state->af, &dfltcc_sta !! 38 memmove(&dfltcc_state->af, param, sizeof(dfltcc_state->af));
31 } else 39 } else
32 memset(&dfltcc_state->af, 0, sizeof(df 40 memset(&dfltcc_state->af, 0, sizeof(dfltcc_state->af));
33 41
34 /* Initialize parameter block */ 42 /* Initialize parameter block */
35 memset(&dfltcc_state->param, 0, sizeof(dfl 43 memset(&dfltcc_state->param, 0, sizeof(dfltcc_state->param));
36 dfltcc_state->param.nt = 1; 44 dfltcc_state->param.nt = 1;
>> 45
>> 46 /* Initialize tuning parameters */
>> 47 if (zlib_dfltcc_support == ZLIB_DFLTCC_FULL_DEBUG)
>> 48 dfltcc_state->level_mask = DFLTCC_LEVEL_MASK_DEBUG;
>> 49 else
>> 50 dfltcc_state->level_mask = DFLTCC_LEVEL_MASK;
>> 51 dfltcc_state->block_size = DFLTCC_BLOCK_SIZE;
>> 52 dfltcc_state->block_threshold = DFLTCC_FIRST_FHT_BLOCK_SIZE;
>> 53 dfltcc_state->dht_threshold = DFLTCC_DHT_MIN_SAMPLE_SIZE;
37 dfltcc_state->param.ribm = DFLTCC_RIBM; 54 dfltcc_state->param.ribm = DFLTCC_RIBM;
38 } 55 }
39 <<
40 MODULE_LICENSE("GPL"); <<
41 56
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