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/* 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[0];
} __packed __aligned(PAGE_SIZE);
#endif /* _ASM_S390_CHSC_H */
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