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| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2006-03-24 12:15:14 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-24 16:33:16 +0100 |
| commit | 495a5b45ac33b8fe2c49780fdbcc8014cb6d6ddc (patch) | |
| tree | b456ebc9e8f53edd726c903401b5e40bbb9562d5 /drivers/s390/cio/chsc.h | |
| parent | [PATCH] s390: cio documentation update (diff) | |
| download | linux-495a5b45ac33b8fe2c49780fdbcc8014cb6d6ddc.tar.xz linux-495a5b45ac33b8fe2c49780fdbcc8014cb6d6ddc.zip | |
[PATCH] s390: channel path measurements
Gather extended measurements for channel paths from the channel subsystem and
expose them to userspace via a sysfs attribute.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/s390/cio/chsc.h')
| -rw-r--r-- | drivers/s390/cio/chsc.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index 3e75095f35d0..a259245780ae 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -12,6 +12,16 @@ struct chsc_header { u16 code; }; +#define NR_MEASUREMENT_CHARS 5 +struct cmg_chars { + u32 values[NR_MEASUREMENT_CHARS]; +}; + +#define NR_MEASUREMENT_ENTRIES 8 +struct cmg_entry { + u32 values[NR_MEASUREMENT_ENTRIES]; +}; + struct channel_path_desc { u8 flags; u8 lsn; @@ -27,6 +37,10 @@ struct channel_path { int id; int state; struct channel_path_desc desc; + /* Channel-measurement related stuff: */ + int cmg; + int shared; + void *cmg_chars; struct device dev; }; @@ -52,7 +66,11 @@ struct css_general_char { struct css_chsc_char { u64 res; - u64 : 43; + u64 : 20; + u32 secm : 1; /* bit 84 */ + u32 : 1; + u32 scmc : 1; /* bit 86 */ + u32 : 20; u32 scssc : 1; /* bit 107 */ u32 scsscf : 1; /* bit 108 */ u32 : 19; @@ -67,6 +85,8 @@ extern int css_characteristics_avail; extern void *chsc_get_chp_desc(struct subchannel*, int); extern int chsc_enable_facility(int); +struct channel_subsystem; +extern int chsc_secm(struct channel_subsystem *, int); #define to_channelpath(device) container_of(device, struct channel_path, dev) |