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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ASM_S390_UAPI_IPL_H
#define _ASM_S390_UAPI_IPL_H
#include <linux/types.h>
/* IPL Parameter List header */
struct ipl_pl_hdr {
__u32 len;
__u8 flags;
__u8 reserved1[2];
__u8 version;
} __packed;
#define IPL_PL_FLAG_IPLPS 0x80
#define IPL_PL_FLAG_SIPL 0x40
#define IPL_PL_FLAG_IPLSR 0x20
/* IPL Parameter Block header */
struct ipl_pb_hdr {
__u32 len;
__u8 pbt;
} __packed;
/* IPL Parameter Block types */
enum ipl_pbt {
IPL_PBT_FCP = 0,
IPL_PBT_SCP_DATA = 1,
IPL_PBT_CCW = 2,
IPL_PBT_NVME = 4,
};
/* IPL Parameter Block 0 with common fields */
struct ipl_pb0_common {
__u32 len;
__u8 pbt;
__u8 flags;
__u8 reserved1[2];
__u8 loadparm[8];
__u8 reserved2[84];
} __packed;
#define IPL_PB0_FLAG_LOADPARM 0x80
/* IPL Parameter Block 0 for FCP */
struct ipl_pb0_fcp {
__u32 len;
__u8 pbt;
__u8 reserved1[3];
__u8 loadparm[8];
__u8 reserved2[304];
__u8 opt;
__u8 reserved3[3];
__u8 cssid;
__u8 reserved4[1];
__u16 devno;
__u8 reserved5[4];
__u64 wwpn;
__u64 lun;
__u32 bootprog;
__u8 reserved6[12];
__u64 br_lba;
__u32 scp_data_len;
__u8 reserved7[260];
__u8 scp_data[];
} __packed;
#define IPL_PB0_FCP_OPT_IPL 0x10
#define IPL_PB0_FCP_OPT_DUMP 0x20
/* IPL Parameter Block 0 for NVMe */
struct ipl_pb0_nvme {
__u32 len;
__u8 pbt;
__u8 reserved1[3];
__u8 loadparm[8];
__u8 reserved2[304];
__u8 opt;
__u8 reserved3[3];
__u32 fid;
__u8 reserved4[12];
__u32 nsid;
__u8 reserved5[4];
__u32 bootprog;
__u8 reserved6[12];
__u64 br_lba;
__u32 scp_data_len;
__u8 reserved7[260];
__u8 scp_data[];
} __packed;
#define IPL_PB0_NVME_OPT_IPL 0x10
#define IPL_PB0_NVME_OPT_DUMP 0x20
/* IPL Parameter Block 0 for CCW */
struct ipl_pb0_ccw {
__u32 len;
__u8 pbt;
__u8 flags;
__u8 reserved1[2];
__u8 loadparm[8];
__u8 reserved2[84];
__u16 reserved3 : 13;
__u8 ssid : 3;
__u16 devno;
__u8 vm_flags;
__u8 reserved4[3];
__u32 vm_parm_len;
__u8 nss_name[8];
__u8 vm_parm[64];
__u8 reserved5[8];
} __packed;
#define IPL_PB0_CCW_VM_FLAG_NSS 0x80
#define IPL_PB0_CCW_VM_FLAG_VP 0x40
/* IPL Parameter Block 1 for additional SCP data */
struct ipl_pb1_scp_data {
__u32 len;
__u8 pbt;
__u8 scp_data[];
} __packed;
/* IPL Report List header */
struct ipl_rl_hdr {
__u32 len;
__u8 flags;
__u8 reserved1[2];
__u8 version;
__u8 reserved2[8];
} __packed;
/* IPL Report Block header */
struct ipl_rb_hdr {
__u32 len;
__u8 rbt;
__u8 reserved1[11];
} __packed;
/* IPL Report Block types */
enum ipl_rbt {
IPL_RBT_CERTIFICATES = 1,
IPL_RBT_COMPONENTS = 2,
};
/* IPL Report Block for the certificate list */
struct ipl_rb_certificate_entry {
__u64 addr;
__u64 len;
} __packed;
struct ipl_rb_certificates {
__u32 len;
__u8 rbt;
__u8 reserved1[11];
struct ipl_rb_certificate_entry entries[];
} __packed;
/* IPL Report Block for the component list */
struct ipl_rb_component_entry {
__u64 addr;
__u64 len;
__u8 flags;
__u8 reserved1[5];
__u16 certificate_index;
__u8 reserved2[8];
};
#define IPL_RB_COMPONENT_FLAG_SIGNED 0x80
#define IPL_RB_COMPONENT_FLAG_VERIFIED 0x40
struct ipl_rb_components {
__u32 len;
__u8 rbt;
__u8 reserved1[11];
struct ipl_rb_component_entry entries[];
} __packed;
#endif
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