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9d39a4bd47
Move the IPL related definitions into `include/boot/ipl.h`. This allows the reuse of the definitions, e.g. in the boot loader for protected guests. Reviewed-by: Stefan Haberland <sth@linux.ibm.com> Reviewed-by: Philipp Rudo <prudo@linux.ibm.com> Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
160 lines
3.1 KiB
C
160 lines
3.1 KiB
C
/*
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* IPL related definitions
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*
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* Copyright IBM Corp. 2020
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#ifndef IPL_H
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#define IPL_H
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#include "lib/zt_common.h"
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#define IPL_FLAG_SECURE 0x40
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#define IPL_RB_COMPONENT_FLAG_SIGNED 0x80
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#define IPL_RB_COMPONENT_FLAG_VERIFIED 0x40
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#ifndef __ASSEMBLER__
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#include <stdint.h>
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/* IPL Parameter List header */
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struct ipl_pl_hdr {
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uint32_t len;
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uint8_t flags;
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uint8_t reserved1[2];
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uint8_t version;
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} __packed;
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/* IPL Parameter Block header */
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struct ipl_pb_hdr {
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uint32_t len;
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uint8_t pbt;
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} __packed;
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/* IPL Parameter Block 0 with common fields */
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struct ipl_pb0_common {
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uint32_t len;
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uint8_t pbt;
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uint8_t flags;
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uint8_t reserved1[2];
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uint8_t loadparm[8];
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uint8_t reserved2[84];
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} __packed;
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/* IPL Parameter Block 0 for FCP */
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struct ipl_pb0_fcp {
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uint32_t len;
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uint8_t pbt;
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uint8_t reserved1[3];
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uint8_t loadparm[8];
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uint8_t reserved2[304];
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uint8_t opt;
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uint8_t reserved3[3];
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uint8_t cssid;
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uint8_t reserved4[1];
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uint8_t devno;
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uint8_t reserved5[4];
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uint64_t wwpn;
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uint64_t lun;
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uint32_t bootprog;
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uint8_t reserved6[12];
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uint64_t br_lba;
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uint32_t scp_data_len;
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uint8_t reserved7[260];
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uint8_t scp_data[];
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} __packed;
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/* IPL Parameter Block 0 for CCW */
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struct ipl_pb0_ccw {
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uint32_t len;
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uint8_t pbt;
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uint8_t flags;
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uint8_t reserved1[2];
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uint8_t loadparm[8];
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uint8_t reserved2[84];
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uint16_t reserved3 : 13;
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uint8_t ssid : 3;
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uint16_t devno;
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uint8_t vm_flags;
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uint8_t reserved4[3];
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uint32_t vm_parm_len;
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uint8_t nss_name[8];
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uint8_t vm_parm[64];
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uint8_t reserved5[8];
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} __packed;
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struct ipl_parameter_block {
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struct ipl_pl_hdr hdr;
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union {
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struct ipl_pb_hdr pb0_hdr;
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struct ipl_pb0_common common;
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struct ipl_pb0_fcp fcp;
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struct ipl_pb0_ccw ccw;
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char raw[PAGE_SIZE - sizeof(struct ipl_pl_hdr)];
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};
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} __packed __aligned(PAGE_SIZE);
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/* IPL Report List header */
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struct ipl_rl_hdr {
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uint32_t len;
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uint8_t flags;
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uint8_t reserved1[2];
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uint8_t version;
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uint8_t reserved2[8];
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} __packed;
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/* IPL Report Block header */
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/* Structure must not have any padding */
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struct ipl_rb_hdr {
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uint32_t len;
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uint8_t rbt;
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uint8_t reserved1[11];
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};
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STATIC_ASSERT(sizeof(struct ipl_rb_hdr) == 4 + 1 + 11)
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/* IPL Report Block types */
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enum ipl_rbt {
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IPL_RBT_CERTIFICATES = 1,
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IPL_RBT_COMPONENTS = 2,
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};
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/* IPL Report Block for the certificate list */
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struct ipl_rb_certificate_entry {
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uint64_t addr;
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uint64_t len;
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} __packed;
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struct ipl_rb_certificates {
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uint32_t len;
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uint8_t rbt;
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uint8_t reserved1[11];
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struct ipl_rb_certificate_entry entries[];
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} __packed;
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/* IPL Report Block for the component list */
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struct ipl_rb_component_entry {
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uint64_t addr;
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uint64_t len;
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uint8_t flags;
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uint8_t reserved1[5];
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uint16_t certificate_index;
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uint8_t reserved2[8];
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};
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/* Structure must not have any padding */
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struct ipl_rb_components {
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uint32_t len;
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uint8_t rbt;
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uint8_t reserved1[11];
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struct ipl_rb_component_entry entries[];
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};
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STATIC_ASSERT(sizeof(struct ipl_rb_components) == 4 + 1 + 11)
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#endif /* __ASSEMBLER__ */
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#endif /* IPL_H */
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