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authorHeiko Carstens <heiko.carstens@de.ibm.com>2007-07-10 05:24:09 -0400
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2007-07-10 05:24:42 -0400
commit05dd25307ca67cbfa0207bbba2e6c79fa97d125b (patch)
tree4601c5732e71883bffab31a4a786f838e8473f58 /include/asm-s390
parentbccdbdc9bd7db3a32c14d8a47f1fb66e3de3c92f (diff)
[S390] sclp: introduce some new interfaces.
Introduce some new interfaces so that random subsystems don't have to mess around with sclp internal structures. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'include/asm-s390')
-rw-r--r--include/asm-s390/sclp.h46
1 files changed, 16 insertions, 30 deletions
diff --git a/include/asm-s390/sclp.h b/include/asm-s390/sclp.h
index 21ed64773210..ddfaa8db47be 100644
--- a/include/asm-s390/sclp.h
+++ b/include/asm-s390/sclp.h
@@ -11,29 +11,6 @@
11#include <linux/types.h> 11#include <linux/types.h>
12#include <asm/chpid.h> 12#include <asm/chpid.h>
13 13
14struct sccb_header {
15 u16 length;
16 u8 function_code;
17 u8 control_mask[3];
18 u16 response_code;
19} __attribute__((packed));
20
21#define LOADPARM_LEN 8
22
23struct sclp_readinfo_sccb {
24 struct sccb_header header; /* 0-7 */
25 u16 rnmax; /* 8-9 */
26 u8 rnsize; /* 10 */
27 u8 _reserved0[24 - 11]; /* 11-23 */
28 u8 loadparm[LOADPARM_LEN]; /* 24-31 */
29 u8 _reserved1[91 - 32]; /* 32-90 */
30 u8 flags; /* 91 */
31 u8 _reserved2[100 - 92]; /* 92-99 */
32 u32 rnsize2; /* 100-103 */
33 u64 rnmax2; /* 104-111 */
34 u8 _reserved3[4096 - 112]; /* 112-4095 */
35} __attribute__((packed, aligned(4096)));
36
37#define SCLP_CHP_INFO_MASK_SIZE 32 14#define SCLP_CHP_INFO_MASK_SIZE 32
38 15
39struct sclp_chp_info { 16struct sclp_chp_info {
@@ -42,12 +19,21 @@ struct sclp_chp_info {
42 u8 configured[SCLP_CHP_INFO_MASK_SIZE]; 19 u8 configured[SCLP_CHP_INFO_MASK_SIZE];
43}; 20};
44 21
45extern struct sclp_readinfo_sccb s390_readinfo_sccb; 22#define LOADPARM_LEN 8
46extern void sclp_readinfo_early(void); 23
47extern int sclp_sdias_blk_count(void); 24struct sclp_ipl_info {
48extern int sclp_sdias_copy(void *dest, int blk_num, int nr_blks); 25 int is_valid;
49extern int sclp_chp_configure(struct chp_id chpid); 26 int has_dump;
50extern int sclp_chp_deconfigure(struct chp_id chpid); 27 char loadparm[LOADPARM_LEN];
51extern int sclp_chp_read_info(struct sclp_chp_info *info); 28};
29
30void sclp_readinfo_early(void);
31unsigned long long sclp_memory_detect(void);
32int sclp_sdias_blk_count(void);
33int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
34int sclp_chp_configure(struct chp_id chpid);
35int sclp_chp_deconfigure(struct chp_id chpid);
36int sclp_chp_read_info(struct sclp_chp_info *info);
37void sclp_get_ipl_info(struct sclp_ipl_info *info);
52 38
53#endif /* _ASM_S390_SCLP_H */ 39#endif /* _ASM_S390_SCLP_H */