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 */
8struct ipl_pl_hdr {
9 __u32 len;
10 __u8 flags;
11 __u8 reserved1[2];
12 __u8 version;
13} __attribute__((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 */
21struct ipl_pb_hdr {
22 __u32 len;
23 __u8 pbt;
24} __attribute__((packed));
25
26/* IPL Parameter Block types */
27enum 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 */
36struct 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} __attribute__((packed));
44
45#define IPL_PB0_FLAG_LOADPARM 0x80
46
47/* IPL Parameter Block 0 for FCP */
48struct 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} __attribute__((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 */
74struct 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} __attribute__((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 */
98struct 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} __attribute__((packed));
115
116/* IPL Parameter Block 0 for ECKD */
117struct 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 __attribute__((packed));
136 __u32 scp_data_len;
137 __u8 reserved8[260];
138 __u8 scp_data[];
139} __attribute__((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 */
148struct ipl_pb1_scp_data {
149 __u32 len;
150 __u8 pbt;
151 __u8 scp_data[];
152} __attribute__((packed));
153
154/* IPL Report List header */
155struct ipl_rl_hdr {
156 __u32 len;
157 __u8 flags;
158 __u8 reserved1[2];
159 __u8 version;
160 __u8 reserved2[8];
161} __attribute__((packed));
162
163/* IPL Report Block header */
164struct ipl_rb_hdr {
165 __u32 len;
166 __u8 rbt;
167 __u8 reserved1[11];
168} __attribute__((packed));
169
170/* IPL Report Block types */
171enum ipl_rbt {
172 IPL_RBT_CERTIFICATES = 1,
173 IPL_RBT_COMPONENTS = 2,
174};
175
176/* IPL Report Block for the certificate list */
177struct ipl_rb_certificate_entry {
178 __u64 addr;
179 __u64 len;
180} __attribute__((packed));
181
182struct ipl_rb_certificates {
183 __u32 len;
184 __u8 rbt;
185 __u8 reserved1[11];
186 struct ipl_rb_certificate_entry entries[];
187} __attribute__((packed));
188
189/* IPL Report Block for the component list */
190struct 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
202struct ipl_rb_components {
203 __u32 len;
204 __u8 rbt;
205 __u8 reserved1[11];
206 struct ipl_rb_component_entry entries[];
207} __attribute__((packed));
208
209#endif