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-rw-r--r--arch/s390/include/asm/chsc.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/s390/include/asm/chsc.h b/arch/s390/include/asm/chsc.h
new file mode 100644
index 0000000000..bb48ea380c
--- /dev/null
+++ b/arch/s390/include/asm/chsc.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright IBM Corp. 2020
+ *
+ * Author(s): Alexandra Winter <wintera@linux.ibm.com>
+ *
+ * Interface for Channel Subsystem Call
+ */
+#ifndef _ASM_S390_CHSC_H
+#define _ASM_S390_CHSC_H
+
+#include <uapi/asm/chsc.h>
+
+/**
+ * Operation codes for CHSC PNSO:
+ * PNSO_OC_NET_BRIDGE_INFO - only addresses that are visible to a bridgeport
+ * PNSO_OC_NET_ADDR_INFO - all addresses
+ */
+#define PNSO_OC_NET_BRIDGE_INFO 0
+#define PNSO_OC_NET_ADDR_INFO 3
+/**
+ * struct chsc_pnso_naid_l2 - network address information descriptor
+ * @nit: Network interface token
+ * @addr_lnid: network address and logical network id (VLAN ID)
+ */
+struct chsc_pnso_naid_l2 {
+ u64 nit;
+ struct { u8 mac[6]; u16 lnid; } addr_lnid;
+} __packed;
+
+struct chsc_pnso_resume_token {
+ u64 t1;
+ u64 t2;
+} __packed;
+
+struct chsc_pnso_naihdr {
+ struct chsc_pnso_resume_token resume_token;
+ u32:32;
+ u32 instance;
+ u32:24;
+ u8 naids;
+ u32 reserved[3];
+} __packed;
+
+struct chsc_pnso_area {
+ struct chsc_header request;
+ u8:2;
+ u8 m:1;
+ u8:5;
+ u8:2;
+ u8 ssid:2;
+ u8 fmt:4;
+ u16 sch;
+ u8:8;
+ u8 cssid;
+ u16:16;
+ u8 oc;
+ u32:24;
+ struct chsc_pnso_resume_token resume_token;
+ u32 n:1;
+ u32:31;
+ u32 reserved[3];
+ struct chsc_header response;
+ u32:32;
+ struct chsc_pnso_naihdr naihdr;
+ struct chsc_pnso_naid_l2 entries[];
+} __packed __aligned(PAGE_SIZE);
+
+#endif /* _ASM_S390_CHSC_H */