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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2011-01-05 12:47:56 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2011-01-05 12:47:28 +0100 |
| commit | ce322ccd53f2505cf8b0ed204631d6ac054ac66a (patch) | |
| tree | c3b9b9145d691b3c8a389be9299b96b574b8f69e /drivers/s390/cio/chsc.h | |
| parent | 37e8952174c6c239d1c86125e032fd6ad107a3e6 (diff) | |
| download | kernel_samsung_aries-ce322ccd53f2505cf8b0ed204631d6ac054ac66a.zip kernel_samsung_aries-ce322ccd53f2505cf8b0ed204631d6ac054ac66a.tar.gz kernel_samsung_aries-ce322ccd53f2505cf8b0ed204631d6ac054ac66a.tar.bz2 | |
[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 <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/chsc.h')
| -rw-r--r-- | drivers/s390/cio/chsc.h | 18 |
1 files changed, 18 insertions, 0 deletions
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); |