aboutsummaryrefslogtreecommitdiff
path: root/arch/s390/include/asm/cio.h
diff options
context:
space:
mode:
authorSebastian Ott <sebott@linux.vnet.ibm.com>2012-08-28 16:44:51 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-09-26 15:44:57 +0200
commitd2fc439b99820cccd6978918c260730dd97bf373 (patch)
tree2f71bb936d3c2a9c3ad2a86a662492229aa07660 /arch/s390/include/asm/cio.h
parent382b73663529b756914cf17a9912c9cf00cf0025 (diff)
s390: add eadm related structures
Add structures to be used by the eadm subchannel driver. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/cio.h')
-rw-r--r--arch/s390/include/asm/cio.h28
1 files changed, 27 insertions, 1 deletions
diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h
index 77043aa44d6..55bde603521 100644
--- a/arch/s390/include/asm/cio.h
+++ b/arch/s390/include/asm/cio.h
@@ -80,6 +80,18 @@ struct erw {
} __attribute__ ((packed));
/**
+ * struct erw_eadm - EADM Subchannel extended report word
+ * @b: aob error
+ * @r: arsb error
+ */
+struct erw_eadm {
+ __u32 : 16;
+ __u32 b : 1;
+ __u32 r : 1;
+ __u32 : 14;
+} __packed;
+
+/**
* struct sublog - subchannel logout area
* @res0: reserved
* @esf: extended status flags
@@ -170,9 +182,22 @@ struct esw3 {
} __attribute__ ((packed));
/**
+ * struct esw_eadm - EADM Subchannel Extended Status Word (ESW)
+ * @sublog: subchannel logout
+ * @erw: extended report word
+ */
+struct esw_eadm {
+ __u32 sublog;
+ struct erw_eadm erw;
+ __u32 : 32;
+ __u32 : 32;
+ __u32 : 32;
+} __packed;
+
+/**
* struct irb - interruption response block
* @scsw: subchannel status word
- * @esw: extened status word, 4 formats
+ * @esw: extened status word
* @ecw: extended control word
*
* The irb that is handed to the device driver when an interrupt occurs. For
@@ -191,6 +216,7 @@ struct irb {
struct esw1 esw1;
struct esw2 esw2;
struct esw3 esw3;
+ struct esw_eadm eadm;
} esw;
__u8 ecw[32];
} __attribute__ ((packed,aligned(4)));