diff options
Diffstat (limited to 'drivers/s390/char')
| -rw-r--r-- | drivers/s390/char/sclp_early_core.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/s390/char/sclp_early_core.c b/drivers/s390/char/sclp_early_core.c index acfe09313852..387c114ded3f 100644 --- a/drivers/s390/char/sclp_early_core.c +++ b/drivers/s390/char/sclp_early_core.c @@ -288,6 +288,17 @@ int __init sclp_early_get_memsize(unsigned long *mem) return 0; } +int __init sclp_early_get_hsa_size(unsigned long *hsa_size) +{ + if (!sclp_info_sccb_valid) + return -EIO; + + *hsa_size = 0; + if (sclp_info_sccb.hsa_size) + *hsa_size = (sclp_info_sccb.hsa_size - 1) * PAGE_SIZE; + return 0; +} + #define SCLP_STORAGE_INFO_FACILITY 0x0000400000000000UL void __weak __init add_mem_detect_block(u64 start, u64 end) {} |