From fddbaa5c423f7ca0a187f88e0b1d98a5c8b4edcf Mon Sep 17 00:00:00 2001 From: Vasily Gorbik Date: Wed, 11 Apr 2018 18:42:37 +0200 Subject: 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 Reviewed-by: Martin Schwidefsky Signed-off-by: Vasily Gorbik Signed-off-by: Martin Schwidefsky --- drivers/s390/char/sclp_cmd.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) (limited to 'drivers/s390/char/sclp_cmd.c') 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) { -- cgit v1.2.3