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/export.h>
5 #include <linux/module.h> 5 #include <linux/module.h>
6 #include "dfltcc_util.h" 6 #include "dfltcc_util.h"
7 #include "dfltcc.h" 7 #include "dfltcc.h"
8 8
9 char *oesc_msg( 9 char *oesc_msg(
10 char *buf, 10 char *buf,
11 int oesc 11 int oesc
12 ) 12 )
13 { 13 {
14 if (oesc == 0x00) 14 if (oesc == 0x00)
15 return NULL; /* Successful completion 15 return NULL; /* Successful completion */
16 else { 16 else {
17 #ifdef STATIC 17 #ifdef STATIC
18 return NULL; /* Ignore for pre-boot de 18 return NULL; /* Ignore for pre-boot decompressor */
19 #else 19 #else
20 sprintf(buf, "Operation-Ending-Supplem 20 sprintf(buf, "Operation-Ending-Supplemental Code is 0x%.2X", oesc);
21 return buf; 21 return buf;
22 #endif 22 #endif
23 } 23 }
24 } 24 }
25 25
26 void dfltcc_reset_state(struct dfltcc_state *d !! 26 void dfltcc_reset(
>> 27 z_streamp strm,
>> 28 uInt size
>> 29 )
>> 30 {
>> 31 struct dfltcc_state *dfltcc_state =
>> 32 (struct dfltcc_state *)((char *)strm->state + size);
>> 33 struct dfltcc_qaf_param *param =
>> 34 (struct dfltcc_qaf_param *)&dfltcc_state->param;
>> 35
27 /* Initialize available functions */ 36 /* Initialize available functions */
28 if (is_dfltcc_enabled()) { 37 if (is_dfltcc_enabled()) {
29 dfltcc(DFLTCC_QAF, &dfltcc_state->para !! 38 dfltcc(DFLTCC_QAF, param, NULL, NULL, NULL, NULL, NULL);
30 memmove(&dfltcc_state->af, &dfltcc_sta !! 39 memmove(&dfltcc_state->af, param, sizeof(dfltcc_state->af));
31 } else 40 } else
32 memset(&dfltcc_state->af, 0, sizeof(df 41 memset(&dfltcc_state->af, 0, sizeof(dfltcc_state->af));
33 42
34 /* Initialize parameter block */ 43 /* Initialize parameter block */
35 memset(&dfltcc_state->param, 0, sizeof(dfl 44 memset(&dfltcc_state->param, 0, sizeof(dfltcc_state->param));
36 dfltcc_state->param.nt = 1; 45 dfltcc_state->param.nt = 1;
>> 46
>> 47 /* Initialize tuning parameters */
>> 48 if (zlib_dfltcc_support == ZLIB_DFLTCC_FULL_DEBUG)
>> 49 dfltcc_state->level_mask = DFLTCC_LEVEL_MASK_DEBUG;
>> 50 else
>> 51 dfltcc_state->level_mask = DFLTCC_LEVEL_MASK;
>> 52 dfltcc_state->block_size = DFLTCC_BLOCK_SIZE;
>> 53 dfltcc_state->block_threshold = DFLTCC_FIRST_FHT_BLOCK_SIZE;
>> 54 dfltcc_state->dht_threshold = DFLTCC_DHT_MIN_SAMPLE_SIZE;
37 dfltcc_state->param.ribm = DFLTCC_RIBM; 55 dfltcc_state->param.ribm = DFLTCC_RIBM;
38 } 56 }
>> 57 EXPORT_SYMBOL(dfltcc_reset);
39 58
40 MODULE_LICENSE("GPL"); 59 MODULE_LICENSE("GPL");
41 60
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.