1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/s390/cio/orb.h b/drivers/s390/cio/orb.h
new file mode 100644
index 0000000000..a2d3778b2c
--- /dev/null
+++ b/drivers/s390/cio/orb.h
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Orb related data structures.
+ *
+ * Copyright IBM Corp. 2007, 2011
+ *
+ * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
+ *	      Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
+ *	      Sebastian Ott <sebott@linux.vnet.ibm.com>
+ */
+
+#ifndef S390_ORB_H
+#define S390_ORB_H
+
+/*
+ * Command-mode operation request block
+ */
+struct cmd_orb {
+	u32 intparm;	/* interruption parameter */
+	u32 key:4;	/* flags, like key, suspend control, etc. */
+	u32 spnd:1;	/* suspend control */
+	u32 res1:1;	/* reserved */
+	u32 mod:1;	/* modification control */
+	u32 sync:1;	/* synchronize control */
+	u32 fmt:1;	/* format control */
+	u32 pfch:1;	/* prefetch control */
+	u32 isic:1;	/* initial-status-interruption control */
+	u32 alcc:1;	/* address-limit-checking control */
+	u32 ssic:1;	/* suppress-suspended-interr. control */
+	u32 res2:1;	/* reserved */
+	u32 c64:1;	/* IDAW/QDIO 64 bit control  */
+	u32 i2k:1;	/* IDAW 2/4kB block size control */
+	u32 lpm:8;	/* logical path mask */
+	u32 ils:1;	/* incorrect length */
+	u32 zero:6;	/* reserved zeros */
+	u32 orbx:1;	/* ORB extension control */
+	u32 cpa;	/* channel program address */
+}  __packed __aligned(4);
+
+/*
+ * Transport-mode operation request block
+ */
+struct tm_orb {
+	u32 intparm;
+	u32 key:4;
+	u32:9;
+	u32 b:1;
+	u32:2;
+	u32 lpm:8;
+	u32:7;
+	u32 x:1;
+	u32 tcw;
+	u32 prio:8;
+	u32:8;
+	u32 rsvpgm:8;
+	u32:8;
+	u32:32;
+	u32:32;
+	u32:32;
+	u32:32;
+}  __packed __aligned(4);
+
+/*
+ * eadm operation request block
+ */
+struct eadm_orb {
+	u32 intparm;
+	u32 key:4;
+	u32:4;
+	u32 compat1:1;
+	u32 compat2:1;
+	u32:21;
+	u32 x:1;
+	u32 aob;
+	u32 css_prio:8;
+	u32:8;
+	u32 scm_prio:8;
+	u32:8;
+	u32:29;
+	u32 fmt:3;
+	u32:32;
+	u32:32;
+	u32:32;
+}  __packed __aligned(4);
+
+union orb {
+	struct cmd_orb cmd;
+	struct tm_orb tm;
+	struct eadm_orb eadm;
+}  __packed __aligned(4);
+
+#endif /* S390_ORB_H */