arch/s390/include/asm/chsc.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright IBM Corp. 2020
   4  *
   5  * Author(s): Alexandra Winter <wintera@linux.ibm.com>
   6  *
   7  * Interface for Channel Subsystem Call
   8  */
   9 #ifndef _ASM_S390_CHSC_H
  10 #define _ASM_S390_CHSC_H
  11
  12 #include <uapi/asm/chsc.h>
  13
  14 /**
  15  * Operation codes for CHSC PNSO:
  16  *    PNSO_OC_NET_BRIDGE_INFO - only addresses that are visible to a bridgeport
  17  *    PNSO_OC_NET_ADDR_INFO   - all addresses
  18  */
  19 #define PNSO_OC_NET_BRIDGE_INFO         0
  20 #define PNSO_OC_NET_ADDR_INFO           3
  21 /**
  22  * struct chsc_pnso_naid_l2 - network address information descriptor
  23  * @nit:  Network interface token
  24  * @addr_lnid: network address and logical network id (VLAN ID)
  25  */
  26 struct chsc_pnso_naid_l2 {
  27         u64 nit;
  28         struct { u8 mac[6]; u16 lnid; } addr_lnid;
  29 } __packed;
  30
  31 struct chsc_pnso_resume_token {
  32         u64 t1;
  33         u64 t2;
  34 } __packed;
  35
  36 struct chsc_pnso_naihdr {
  37         struct chsc_pnso_resume_token resume_token;
  38         u32:32;
  39         u32 instance;
  40         u32:24;
  41         u8 naids;
  42         u32 reserved[3];
  43 } __packed;
  44
  45 struct chsc_pnso_area {
  46         struct chsc_header request;
  47         u8:2;
  48         u8 m:1;
  49         u8:5;
  50         u8:2;
  51         u8 ssid:2;
  52         u8 fmt:4;
  53         u16 sch;
  54         u8:8;
  55         u8 cssid;
  56         u16:16;
  57         u8 oc;
  58         u32:24;
  59         struct chsc_pnso_resume_token resume_token;
  60         u32 n:1;
  61         u32:31;
  62         u32 reserved[3];
  63         struct chsc_header response;
  64         u32:32;
  65         struct chsc_pnso_naihdr naihdr;
  66         struct chsc_pnso_naid_l2 entries[0];
  67 } __packed __aligned(PAGE_SIZE);
  68
  69 #endif /* _ASM_S390_CHSC_H */