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| author | Vasily Gorbik <gor@linux.ibm.com> | 2018-04-11 18:42:37 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-10-09 11:21:09 +0200 |
| commit | fddbaa5c423f7ca0a187f88e0b1d98a5c8b4edcf (patch) | |
| tree | 46a7d3abb256fd904cae502a76409be1f1b4afd9 /arch/s390/include | |
| parent | s390: introduce .boot.data section compile time validation (diff) | |
| download | linux-fddbaa5c423f7ca0a187f88e0b1d98a5c8b4edcf.tar.xz linux-fddbaa5c423f7ca0a187f88e0b1d98a5c8b4edcf.zip | |
s390/mem_detect: introduce SCLP storage info
SCLP storage info allows to detect continuous and non-continuous online
memory under LPAR, z/VM and KVM, when standby memory is defined.
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include')
| -rw-r--r-- | arch/s390/include/asm/mem_detect.h | 3 | ||||
| -rw-r--r-- | arch/s390/include/asm/sclp.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/include/asm/mem_detect.h b/arch/s390/include/asm/mem_detect.h index 8586adef1c65..00426c07f6df 100644 --- a/arch/s390/include/asm/mem_detect.h +++ b/arch/s390/include/asm/mem_detect.h @@ -6,6 +6,7 @@ enum mem_info_source { MEM_DETECT_NONE = 0, + MEM_DETECT_SCLP_STOR_INFO, MEM_DETECT_TPROT_LOOP }; @@ -32,6 +33,8 @@ struct mem_detect_info { }; extern struct mem_detect_info mem_detect; +void add_mem_detect_block(u64 start, u64 end); + static inline int __get_mem_detect_block(u32 n, unsigned long *start, unsigned long *end) { diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h index c21a8b637a11..e0da13c0ef79 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -106,6 +106,7 @@ struct zpci_report_error_header { } __packed; int sclp_early_read_info(void); +int sclp_early_read_storage_info(void); int sclp_early_get_core_info(struct sclp_core_info *info); void sclp_early_get_ipl_info(struct sclp_ipl_info *info); void sclp_early_detect(void); |