From c9896acc7851109d4e84c1e3a54cb1b9794dea6b Mon Sep 17 00:00:00 2001 From: Philipp Rudo Date: Mon, 8 Apr 2019 14:24:08 +0200 Subject: s390/ipl: Provide has_secure sysfs attribute Provide an interface for userspace so it can find out if a machine is capeable of doing secure boot. The interface is, for example, needed for zipl so it can find out which file format it can/should write to disk. Signed-off-by: Philipp Rudo Signed-off-by: Martin Schwidefsky --- drivers/s390/char/sclp.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/s390/char/sclp.h') diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h index 367e9d384d85..287382dc21c5 100644 --- a/drivers/s390/char/sclp.h +++ b/drivers/s390/char/sclp.h @@ -197,7 +197,9 @@ struct read_info_sccb { u32 hmfai; /* 124-127 */ u8 _pad_128[134 - 128]; /* 128-133 */ u8 byte_134; /* 134 */ - u8 _pad_135[4096 - 135]; /* 135-4095 */ + u8 _pad_135; /* 135 */ + u16 cbl; /* 136-137 */ + u8 _pad_138[4096 - 138]; /* 138-4095 */ } __packed __aligned(PAGE_SIZE); struct read_storage_sccb { -- cgit