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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 /drivers/s390/char/sclp.h | |
| parent | s390: introduce .boot.data section compile time validation (diff) | |
| download | linux-dev-fddbaa5c423f7ca0a187f88e0b1d98a5c8b4edcf.tar.xz linux-dev-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 'drivers/s390/char/sclp.h')
| -rw-r--r-- | drivers/s390/char/sclp.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h index ffe72f03b5c5..b3fcc24b1182 100644 --- a/drivers/s390/char/sclp.h +++ b/drivers/s390/char/sclp.h @@ -64,6 +64,7 @@ typedef unsigned int sclp_cmdw_t; #define SCLP_CMDW_READ_CPU_INFO 0x00010001 #define SCLP_CMDW_READ_SCP_INFO 0x00020001 +#define SCLP_CMDW_READ_STORAGE_INFO 0x00040001 #define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001 #define SCLP_CMDW_READ_EVENT_DATA 0x00770005 #define SCLP_CMDW_WRITE_EVENT_DATA 0x00760005 @@ -197,6 +198,15 @@ struct read_info_sccb { u8 _pad_128[4096 - 128]; /* 128-4095 */ } __packed __aligned(PAGE_SIZE); +struct read_storage_sccb { + struct sccb_header header; + u16 max_id; + u16 assigned; + u16 standby; + u16 :16; + u32 entries[0]; +} __packed; + static inline void sclp_fill_core_info(struct sclp_core_info *info, struct read_cpu_info_sccb *sccb) { |