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authorSebastian Ott <sebott@linux.vnet.ibm.com>2012-08-28 18:48:16 +0400
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-09-26 17:45:00 +0400
commiteadb86ab80545d04a0ee576e92ba4447621cdb02 (patch)
treefa9903cd696ea67d244dab55a1fdb71658208cfa /drivers/s390/cio/eadm_sch.h
parent40ff4cc06697e8ba3f8ce93b0592ddbcf70cd444 (diff)
downloadlinux-eadb86ab80545d04a0ee576e92ba4447621cdb02.tar.xz
s390/cio: add eadm subchannel driver
This driver allows usage of EADM subchannels. EADM subchannels act as a communication vehicle for SCM increments. 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/eadm_sch.h')
-rw-r--r--drivers/s390/cio/eadm_sch.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/s390/cio/eadm_sch.h b/drivers/s390/cio/eadm_sch.h
new file mode 100644
index 000000000000..2779be093982
--- /dev/null
+++ b/drivers/s390/cio/eadm_sch.h
@@ -0,0 +1,20 @@
+#ifndef EADM_SCH_H
+#define EADM_SCH_H
+
+#include <linux/device.h>
+#include <linux/timer.h>
+#include <linux/list.h>
+#include "orb.h"
+
+struct eadm_private {
+ union orb orb;
+ enum {EADM_IDLE, EADM_BUSY, EADM_NOT_OPER} state;
+ struct timer_list timer;
+ struct list_head head;
+ struct subchannel *sch;
+} __aligned(8);
+
+#define get_eadm_private(n) ((struct eadm_private *)dev_get_drvdata(&n->dev))
+#define set_eadm_private(n, p) (dev_set_drvdata(&n->dev, p))
+
+#endif