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 */
  8struct 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 */
 21struct ipl_pb_hdr {
 22	__u32 len;
 23	__u8  pbt;
 24} __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} __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} __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} __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} __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 __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 */
148struct ipl_pb1_scp_data {
149	__u32 len;
150	__u8  pbt;
151	__u8  scp_data[];
152} __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} __packed;
162
163/* IPL Report Block header */
164struct ipl_rb_hdr {
165	__u32 len;
166	__u8  rbt;
167	__u8  reserved1[11];
168} __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} __packed;
181
182struct 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 */
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} __packed;
208
209#endif