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| author |   Heiko Carstens <heiko.carstens@de.ibm.com> | 2007-07-10 11:24:09 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-07-10 11:24:42 +0200 |
| commit | 05dd25307ca67cbfa0207bbba2e6c79fa97d125b (patch) | |
| tree | 4601c5732e71883bffab31a4a786f838e8473f58 /include/asm-s390 | |
| parent | [S390] Fixed comment typo. (diff) | |
| download | linux-dev-05dd25307ca67cbfa0207bbba2e6c79fa97d125b.tar.xz linux-dev-05dd25307ca67cbfa0207bbba2e6c79fa97d125b.zip | |
[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.h | 46 |
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 @@ #include <linux/types.h> #include <asm/chpid.h> -struct sccb_header { - u16 length; - u8 function_code; - u8 control_mask[3]; - u16 response_code; -} __attribute__((packed)); - -#define LOADPARM_LEN 8 - -struct sclp_readinfo_sccb { - struct sccb_header header; /* 0-7 */ - u16 rnmax; /* 8-9 */ - u8 rnsize; /* 10 */ - u8 _reserved0[24 - 11]; /* 11-23 */ - u8 loadparm[LOADPARM_LEN]; /* 24-31 */ - u8 _reserved1[91 - 32]; /* 32-90 */ - u8 flags; /* 91 */ - u8 _reserved2[100 - 92]; /* 92-99 */ - u32 rnsize2; /* 100-103 */ - u64 rnmax2; /* 104-111 */ - u8 _reserved3[4096 - 112]; /* 112-4095 */ -} __attribute__((packed, aligned(4096))); - #define SCLP_CHP_INFO_MASK_SIZE 32 struct sclp_chp_info { @@ -42,12 +19,21 @@ struct sclp_chp_info { u8 configured[SCLP_CHP_INFO_MASK_SIZE]; }; -extern struct sclp_readinfo_sccb s390_readinfo_sccb; -extern void sclp_readinfo_early(void); -extern int sclp_sdias_blk_count(void); -extern int sclp_sdias_copy(void *dest, int blk_num, int nr_blks); -extern int sclp_chp_configure(struct chp_id chpid); -extern int sclp_chp_deconfigure(struct chp_id chpid); -extern int sclp_chp_read_info(struct sclp_chp_info *info); +#define LOADPARM_LEN 8 + +struct sclp_ipl_info { + int is_valid; + int has_dump; + char loadparm[LOADPARM_LEN]; +}; + +void sclp_readinfo_early(void); +unsigned long long sclp_memory_detect(void); +int sclp_sdias_blk_count(void); +int sclp_sdias_copy(void *dest, int blk_num, int nr_blks); +int sclp_chp_configure(struct chp_id chpid); +int sclp_chp_deconfigure(struct chp_id chpid); +int sclp_chp_read_info(struct sclp_chp_info *info); +void sclp_get_ipl_info(struct sclp_ipl_info *info); #endif /* _ASM_S390_SCLP_H */ |