arch/s390/include/uapi/asm/ipl.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _ASM_S390_UAPI_IPL_H
   3 #define _ASM_S390_UAPI_IPL_H
   4
   5 #include <linux/types.h>
   6
   7 /* IPL Parameter List header */
   8 struct ipl_pl_hdr {
   9         __u32 len;
  10         __u8  flags;
  11         __u8  reserved1[2];
  12         __u8  version;
  13 } __packed;
  14
  15 #define IPL_PL_FLAG_IPLPS       0x80
  16 #define IPL_PL_FLAG_SIPL        0x40
  17 #define IPL_PL_FLAG_IPLSR       0x20
  18
  19 /* IPL Parameter Block header */
  20 struct ipl_pb_hdr {
  21         __u32 len;
  22         __u8  pbt;
  23 } __packed;
  24
  25 /* IPL Parameter Block types */
  26 enum ipl_pbt {
  27         IPL_PBT_FCP = 0,
  28         IPL_PBT_SCP_DATA = 1,
  29         IPL_PBT_CCW = 2,
  30         IPL_PBT_NVME = 4,
  31 };
  32
  33 /* IPL Parameter Block 0 with common fields */
  34 struct ipl_pb0_common {
  35         __u32 len;
  36         __u8  pbt;
  37         __u8  flags;
  38         __u8  reserved1[2];
  39         __u8  loadparm[8];
  40         __u8  reserved2[84];
  41 } __packed;
  42
  43 #define IPL_PB0_FLAG_LOADPARM   0x80
  44
  45 /* IPL Parameter Block 0 for FCP */
  46 struct ipl_pb0_fcp {
  47         __u32 len;
  48         __u8  pbt;
  49         __u8  reserved1[3];
  50         __u8  loadparm[8];
  51         __u8  reserved2[304];
  52         __u8  opt;
  53         __u8  reserved3[3];
  54         __u8  cssid;
  55         __u8  reserved4[1];
  56         __u16 devno;
  57         __u8  reserved5[4];
  58         __u64 wwpn;
  59         __u64 lun;
  60         __u32 bootprog;
  61         __u8  reserved6[12];
  62         __u64 br_lba;
  63         __u32 scp_data_len;
  64         __u8  reserved7[260];
  65         __u8  scp_data[];
  66 } __packed;
  67
  68 #define IPL_PB0_FCP_OPT_IPL     0x10
  69 #define IPL_PB0_FCP_OPT_DUMP    0x20
  70
  71 /* IPL Parameter Block 0 for NVMe */
  72 struct ipl_pb0_nvme {
  73         __u32 len;
  74         __u8  pbt;
  75         __u8  reserved1[3];
  76         __u8  loadparm[8];
  77         __u8  reserved2[304];
  78         __u8  opt;
  79         __u8  reserved3[3];
  80         __u32 fid;
  81         __u8 reserved4[12];
  82         __u32 nsid;
  83         __u8 reserved5[4];
  84         __u32 bootprog;
  85         __u8 reserved6[12];
  86         __u64 br_lba;
  87         __u32 scp_data_len;
  88         __u8  reserved7[260];
  89         __u8  scp_data[];
  90 } __packed;
  91
  92 #define IPL_PB0_NVME_OPT_IPL    0x10
  93 #define IPL_PB0_NVME_OPT_DUMP   0x20
  94
  95 /* IPL Parameter Block 0 for CCW */
  96 struct ipl_pb0_ccw {
  97         __u32 len;
  98         __u8  pbt;
  99         __u8  flags;
 100         __u8  reserved1[2];
 101         __u8  loadparm[8];
 102         __u8  reserved2[84];
 103         __u16 reserved3 : 13;
 104         __u8  ssid : 3;
 105         __u16 devno;
 106         __u8  vm_flags;
 107         __u8  reserved4[3];
 108         __u32 vm_parm_len;
 109         __u8  nss_name[8];
 110         __u8  vm_parm[64];
 111         __u8  reserved5[8];
 112 } __packed;
 113
 114 #define IPL_PB0_CCW_VM_FLAG_NSS         0x80
 115 #define IPL_PB0_CCW_VM_FLAG_VP          0x40
 116
 117 /* IPL Parameter Block 1 for additional SCP data */
 118 struct ipl_pb1_scp_data {
 119         __u32 len;
 120         __u8  pbt;
 121         __u8  scp_data[];
 122 } __packed;
 123
 124 /* IPL Report List header */
 125 struct ipl_rl_hdr {
 126         __u32 len;
 127         __u8  flags;
 128         __u8  reserved1[2];
 129         __u8  version;
 130         __u8  reserved2[8];
 131 } __packed;
 132
 133 /* IPL Report Block header */
 134 struct ipl_rb_hdr {
 135         __u32 len;
 136         __u8  rbt;
 137         __u8  reserved1[11];
 138 } __packed;
 139
 140 /* IPL Report Block types */
 141 enum ipl_rbt {
 142         IPL_RBT_CERTIFICATES = 1,
 143         IPL_RBT_COMPONENTS = 2,
 144 };
 145
 146 /* IPL Report Block for the certificate list */
 147 struct ipl_rb_certificate_entry {
 148         __u64 addr;
 149         __u64 len;
 150 } __packed;
 151
 152 struct ipl_rb_certificates {
 153         __u32 len;
 154         __u8  rbt;
 155         __u8  reserved1[11];
 156         struct ipl_rb_certificate_entry entries[];
 157 } __packed;
 158
 159 /* IPL Report Block for the component list */
 160 struct ipl_rb_component_entry {
 161         __u64 addr;
 162         __u64 len;
 163         __u8  flags;
 164         __u8  reserved1[5];
 165         __u16 certificate_index;
 166         __u8  reserved2[8];
 167 };
 168
 169 #define IPL_RB_COMPONENT_FLAG_SIGNED    0x80
 170 #define IPL_RB_COMPONENT_FLAG_VERIFIED  0x40
 171
 172 struct ipl_rb_components {
 173         __u32 len;
 174         __u8  rbt;
 175         __u8  reserved1[11];
 176         struct ipl_rb_component_entry entries[];
 177 } __packed;
 178
 179 #endif