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_state(struct dfltcc_state *dfltcc_state) {
27 /* Initialize available functions */ 27 /* Initialize available functions */
28 if (is_dfltcc_enabled()) { 28 if (is_dfltcc_enabled()) {
29 dfltcc(DFLTCC_QAF, &dfltcc_state->para 29 dfltcc(DFLTCC_QAF, &dfltcc_state->param, NULL, NULL, NULL, NULL, NULL);
30 memmove(&dfltcc_state->af, &dfltcc_sta 30 memmove(&dfltcc_state->af, &dfltcc_state->param, sizeof(dfltcc_state->af));
31 } else 31 } else
32 memset(&dfltcc_state->af, 0, sizeof(df 32 memset(&dfltcc_state->af, 0, sizeof(dfltcc_state->af));
33 33
34 /* Initialize parameter block */ 34 /* Initialize parameter block */
35 memset(&dfltcc_state->param, 0, sizeof(dfl 35 memset(&dfltcc_state->param, 0, sizeof(dfltcc_state->param));
36 dfltcc_state->param.nt = 1; 36 dfltcc_state->param.nt = 1;
37 dfltcc_state->param.ribm = DFLTCC_RIBM; 37 dfltcc_state->param.ribm = DFLTCC_RIBM;
38 } 38 }
39 39
40 MODULE_LICENSE("GPL"); 40 MODULE_LICENSE("GPL");
41 41
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