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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2012-08-28 16:45:42 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-09-26 15:44:58 +0200 |
| commit | 184b08afb5eab8a43d75f4aa0a0f912653f797d7 (patch) | |
| tree | 67bf2ce49c623d899335d44a2783c5bad815f81d /drivers/s390/cio/chsc.h | |
| parent | s390: add eadm related structures (diff) | |
| download | linux-184b08afb5eab8a43d75f4aa0a0f912653f797d7.tar.xz linux-184b08afb5eab8a43d75f4aa0a0f912653f797d7.zip | |
s390/chsc: implement store SCM information
chsc_scm_info will be used to detect all available increments of
storage class memory.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/s390/cio/chsc.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index b5261f318fe8..3aa94fe7a676 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -119,4 +119,39 @@ int chsc_error_from_response(int response); int chsc_siosl(struct subchannel_id schid); +/* Functions and definitions to query storage-class memory. */ +struct sale { + u64 sa; + u32 p:4; + u32 op_state:4; + u32 data_state:4; + u32 rank:4; + u32 r:1; + u32:7; + u32 rid:8; + u32:32; +} __packed; + +struct chsc_scm_info { + struct chsc_header request; + u32:32; + u64 reqtok; + u32 reserved1[4]; + struct chsc_header response; + u64:56; + u8 rq; + u32 mbc; + u64 msa; + u16 is; + u16 mmc; + u32 mci; + u64 nr_scm_ini; + u64 nr_scm_unini; + u32 reserved2[10]; + u64 restok; + struct sale scmal[248]; +} __packed; + +int chsc_scm_info(struct chsc_scm_info *scm_area, u64 token); + #endif |