From ce322ccd53f2505cf8b0ed204631d6ac054ac66a Mon Sep 17 00:00:00 2001 From: Sebastian Ott Date: Wed, 5 Jan 2011 12:47:56 +0100 Subject: [S390] cio: obtain mdc value per channel path Add support to accumulate the number of 64K-bytes blocks all paths to a device at least support for a transport command. Signed-off-by: Sebastian Ott Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/chsc.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'drivers/s390/cio/chsc.h') diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index 6693f5e..3f15b2a 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -35,6 +35,22 @@ struct channel_path_desc { u8 chpp; } __attribute__ ((packed)); +struct channel_path_desc_fmt1 { + u8 flags; + u8 lsn; + u8 desc; + u8 chpid; + u32:24; + u8 chpp; + u32 unused[3]; + u16 mdc; + u16:13; + u8 r:1; + u8 s:1; + u8 f:1; + u32 zeros[2]; +} __attribute__ ((packed)); + struct channel_path; struct css_chsc_char { @@ -92,6 +108,8 @@ int chsc_determine_channel_path_desc(struct chp_id chpid, int fmt, int rfmt, int c, int m, void *page); int chsc_determine_base_channel_path_desc(struct chp_id chpid, struct channel_path_desc *desc); +int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid, + struct channel_path_desc_fmt1 *desc); void chsc_chp_online(struct chp_id chpid); void chsc_chp_offline(struct chp_id chpid); int chsc_get_channel_measurement_chars(struct channel_path *chp); -- cgit v1.1