From 7ad6a24970325294a22a08446d473384c15b928e Mon Sep 17 00:00:00 2001 From: Peter Oberparleiter Date: Fri, 27 Apr 2007 16:01:35 +0200 Subject: [S390] cio: fix subchannel channel-path data usage Ensure that channel-path related subchannel data is only retrieved and used when it is valid and that it is updated when it may have changed. Signed-off-by: Peter Oberparleiter Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/chsc.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'drivers/s390/cio/chsc.h') diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index 742ef57d2c58..2ad81d11cf7b 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -4,6 +4,7 @@ #include #include #include +#include "schid.h" #define CHSC_SDA_OC_MSS 0x2 @@ -35,7 +36,6 @@ struct channel_path_desc { struct channel_path; -extern int css_get_ssd_info(struct subchannel *); extern void chsc_process_crw(void); struct css_general_char { @@ -69,6 +69,14 @@ struct css_chsc_char { extern struct css_general_char css_general_characteristics; extern struct css_chsc_char css_chsc_characteristics; +struct chsc_ssd_info { + u8 path_mask; + u8 fla_valid_mask; + struct chp_id chpid[8]; + u16 fla[8]; +}; +extern int chsc_get_ssd_info(struct subchannel_id schid, + struct chsc_ssd_info *ssd); extern int chsc_determine_css_characteristics(void); extern int css_characteristics_avail; -- cgit v1.2.3