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| 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 | #define IPL_PL_FLAG_SBP 0x10 |
| 19 | |
| 20 | /* IPL Parameter Block header */ |
| 21 | struct ipl_pb_hdr { |
| 22 | __u32 len; |
| 23 | __u8 pbt; |
| 24 | } __packed; |
| 25 | |
| 26 | /* IPL Parameter Block types */ |
| 27 | enum ipl_pbt { |
| 28 | IPL_PBT_FCP = 0, |
| 29 | IPL_PBT_SCP_DATA = 1, |
| 30 | IPL_PBT_CCW = 2, |
| 31 | IPL_PBT_ECKD = 3, |
| 32 | IPL_PBT_NVME = 4, |
| 33 | }; |
| 34 | |
| 35 | /* IPL Parameter Block 0 with common fields */ |
| 36 | struct ipl_pb0_common { |
| 37 | __u32 len; |
| 38 | __u8 pbt; |
| 39 | __u8 flags; |
| 40 | __u8 reserved1[2]; |
| 41 | __u8 loadparm[8]; |
| 42 | __u8 reserved2[84]; |
| 43 | } __packed; |
| 44 | |
| 45 | #define IPL_PB0_FLAG_LOADPARM 0x80 |
| 46 | |
| 47 | /* IPL Parameter Block 0 for FCP */ |
| 48 | struct ipl_pb0_fcp { |
| 49 | __u32 len; |
| 50 | __u8 pbt; |
| 51 | __u8 reserved1[3]; |
| 52 | __u8 loadparm[8]; |
| 53 | __u8 reserved2[304]; |
| 54 | __u8 opt; |
| 55 | __u8 reserved3[3]; |
| 56 | __u8 cssid; |
| 57 | __u8 reserved4[1]; |
| 58 | __u16 devno; |
| 59 | __u8 reserved5[4]; |
| 60 | __u64 wwpn; |
| 61 | __u64 lun; |
| 62 | __u32 bootprog; |
| 63 | __u8 reserved6[12]; |
| 64 | __u64 br_lba; |
| 65 | __u32 scp_data_len; |
| 66 | __u8 reserved7[260]; |
| 67 | __u8 scp_data[]; |
| 68 | } __packed; |
| 69 | |
| 70 | #define IPL_PB0_FCP_OPT_IPL 0x10 |
| 71 | #define IPL_PB0_FCP_OPT_DUMP 0x20 |
| 72 | |
| 73 | /* IPL Parameter Block 0 for NVMe */ |
| 74 | struct ipl_pb0_nvme { |
| 75 | __u32 len; |
| 76 | __u8 pbt; |
| 77 | __u8 reserved1[3]; |
| 78 | __u8 loadparm[8]; |
| 79 | __u8 reserved2[304]; |
| 80 | __u8 opt; |
| 81 | __u8 reserved3[3]; |
| 82 | __u32 fid; |
| 83 | __u8 reserved4[12]; |
| 84 | __u32 nsid; |
| 85 | __u8 reserved5[4]; |
| 86 | __u32 bootprog; |
| 87 | __u8 reserved6[12]; |
| 88 | __u64 br_lba; |
| 89 | __u32 scp_data_len; |
| 90 | __u8 reserved7[260]; |
| 91 | __u8 scp_data[]; |
| 92 | } __packed; |
| 93 | |
| 94 | #define IPL_PB0_NVME_OPT_IPL 0x10 |
| 95 | #define IPL_PB0_NVME_OPT_DUMP 0x20 |
| 96 | |
| 97 | /* IPL Parameter Block 0 for CCW */ |
| 98 | struct ipl_pb0_ccw { |
| 99 | __u32 len; |
| 100 | __u8 pbt; |
| 101 | __u8 flags; |
| 102 | __u8 reserved1[2]; |
| 103 | __u8 loadparm[8]; |
| 104 | __u8 reserved2[84]; |
| 105 | __u16 reserved3 : 13; |
| 106 | __u8 ssid : 3; |
| 107 | __u16 devno; |
| 108 | __u8 vm_flags; |
| 109 | __u8 reserved4[3]; |
| 110 | __u32 vm_parm_len; |
| 111 | __u8 nss_name[8]; |
| 112 | __u8 vm_parm[64]; |
| 113 | __u8 reserved5[8]; |
| 114 | } __packed; |
| 115 | |
| 116 | /* IPL Parameter Block 0 for ECKD */ |
| 117 | struct ipl_pb0_eckd { |
| 118 | __u32 len; |
| 119 | __u8 pbt; |
| 120 | __u8 reserved1[3]; |
| 121 | __u32 reserved2[78]; |
| 122 | __u8 opt; |
| 123 | __u8 reserved4[4]; |
| 124 | __u8 reserved5:5; |
| 125 | __u8 ssid:3; |
| 126 | __u16 devno; |
| 127 | __u32 reserved6[5]; |
| 128 | __u32 bootprog; |
| 129 | __u8 reserved7[12]; |
| 130 | struct { |
| 131 | __u16 cyl; |
| 132 | __u8 head; |
| 133 | __u8 record; |
| 134 | __u32 reserved; |
| 135 | } br_chr __packed; |
| 136 | __u32 scp_data_len; |
| 137 | __u8 reserved8[260]; |
| 138 | __u8 scp_data[]; |
| 139 | } __packed; |
| 140 | |
| 141 | #define IPL_PB0_ECKD_OPT_IPL 0x10 |
| 142 | #define IPL_PB0_ECKD_OPT_DUMP 0x20 |
| 143 | |
| 144 | #define IPL_PB0_CCW_VM_FLAG_NSS 0x80 |
| 145 | #define IPL_PB0_CCW_VM_FLAG_VP 0x40 |
| 146 | |
| 147 | /* IPL Parameter Block 1 for additional SCP data */ |
| 148 | struct ipl_pb1_scp_data { |
| 149 | __u32 len; |
| 150 | __u8 pbt; |
| 151 | __u8 scp_data[]; |
| 152 | } __packed; |
| 153 | |
| 154 | /* IPL Report List header */ |
| 155 | struct ipl_rl_hdr { |
| 156 | __u32 len; |
| 157 | __u8 flags; |
| 158 | __u8 reserved1[2]; |
| 159 | __u8 version; |
| 160 | __u8 reserved2[8]; |
| 161 | } __packed; |
| 162 | |
| 163 | /* IPL Report Block header */ |
| 164 | struct ipl_rb_hdr { |
| 165 | __u32 len; |
| 166 | __u8 rbt; |
| 167 | __u8 reserved1[11]; |
| 168 | } __packed; |
| 169 | |
| 170 | /* IPL Report Block types */ |
| 171 | enum ipl_rbt { |
| 172 | IPL_RBT_CERTIFICATES = 1, |
| 173 | IPL_RBT_COMPONENTS = 2, |
| 174 | }; |
| 175 | |
| 176 | /* IPL Report Block for the certificate list */ |
| 177 | struct ipl_rb_certificate_entry { |
| 178 | __u64 addr; |
| 179 | __u64 len; |
| 180 | } __packed; |
| 181 | |
| 182 | struct ipl_rb_certificates { |
| 183 | __u32 len; |
| 184 | __u8 rbt; |
| 185 | __u8 reserved1[11]; |
| 186 | struct ipl_rb_certificate_entry entries[]; |
| 187 | } __packed; |
| 188 | |
| 189 | /* IPL Report Block for the component list */ |
| 190 | struct ipl_rb_component_entry { |
| 191 | __u64 addr; |
| 192 | __u64 len; |
| 193 | __u8 flags; |
| 194 | __u8 reserved1[5]; |
| 195 | __u16 certificate_index; |
| 196 | __u8 reserved2[8]; |
| 197 | }; |
| 198 | |
| 199 | #define IPL_RB_COMPONENT_FLAG_SIGNED 0x80 |
| 200 | #define IPL_RB_COMPONENT_FLAG_VERIFIED 0x40 |
| 201 | |
| 202 | struct ipl_rb_components { |
| 203 | __u32 len; |
| 204 | __u8 rbt; |
| 205 | __u8 reserved1[11]; |
| 206 | struct ipl_rb_component_entry entries[]; |
| 207 | } __packed; |
| 208 | |
| 209 | #endif |
| 210 |
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