diff options
| 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_cmd.c | |
| 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_cmd.c')
| -rw-r--r-- | drivers/s390/char/sclp_cmd.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c index d7686a68c093..37d42de06079 100644 --- a/drivers/s390/char/sclp_cmd.c +++ b/drivers/s390/char/sclp_cmd.c @@ -460,15 +460,6 @@ static int sclp_mem_freeze(struct device *dev) return -EPERM; } -struct read_storage_sccb { - struct sccb_header header; - u16 max_id; - u16 assigned; - u16 standby; - u16 :16; - u32 entries[0]; -} __packed; - static const struct dev_pm_ops sclp_mem_pm_ops = { .freeze = sclp_mem_freeze, }; @@ -498,7 +489,7 @@ static int __init sclp_detect_standby_memory(void) for (id = 0; id <= sclp_max_storage_id; id++) { memset(sccb, 0, PAGE_SIZE); sccb->header.length = PAGE_SIZE; - rc = sclp_sync_request(0x00040001 | id << 8, sccb); + rc = sclp_sync_request(SCLP_CMDW_READ_STORAGE_INFO | id << 8, sccb); if (rc) goto out; switch (sccb->header.response_code) { |