Files
s390-tools/zipl/include/install.h
Eduard Shishkin 75513ee975 zipl/src: Fix the improper order of resource releasing
Fix the improper order of resource releasing resulted in failed umount
Do umount after closing (not before)

Fixes: f7d2339 (zipl: List-Directed IPL from ECKD DASD)
Reported-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Tested-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Signed-off-by: Eduard Shishkin <edward6@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2023-01-27 14:12:38 +01:00

124 lines
3.2 KiB
C

/*
* s390-tools/zipl/include/install.h
* Functions handling the installation of the boot loader code onto disk.
*
* Copyright IBM Corp. 2001, 2017
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*
*/
#ifndef INSTALL_H
#define INSTALL_H
#include "disk.h"
#include "job.h"
#include "zipl.h"
#include "boot/boot_defs.h"
/*
* For compatibility reasons zIPL can build multiple "similar"
* program tables, which differ only in block pointers format
*/
enum program_table_id {
PROGRAM_TABLE_0,
PROGRAM_TABLE_1,
NR_PROGRAM_TABLES
};
enum program_component_id {
COMPONENT_ID_HEAP_AREA,
COMPONENT_ID_STACK_AREA,
COMPONENT_ID_LOADER_SIGNATURE,
COMPONENT_ID_LOADER,
COMPONENT_ID_PARAMETERS,
COMPONENT_ID_IMAGE_SIGNATURE,
COMPONENT_ID_KERNEL_IMAGE,
COMPONENT_ID_PARMLINE,
COMPONENT_ID_RAMDISK_SIGNATURE,
COMPONENT_ID_RAMDISK,
COMPONENT_ID_ENVBLK,
COMPONENT_ID_SEGMENT_FILE,
NR_PROGRAM_COMPONENTS
};
struct component_loc {
address_t addr;
size_t size;
};
struct component_footer {
component_type type;
const char *desc;
};
struct program_component {
struct component_loc loc;
disk_blockptr_t *list;
blocknum_t count;
};
struct program_table {
disk_blockptr_t table;
disk_blockptr_t *stage1b_list;
blocknum_t stage1b_count;
};
/* Bootloader Installation Set */
struct install_set {
struct program_table tables[NR_PROGRAM_TABLES];
struct program_component *components[NR_PROGRAM_COMPONENTS];
int nr_tables; /* number of "similar" program tables to be installed */
int nr_menu_entries;
int fd;
char *device;
char *filename;
char *dump_mount_point;
unsigned int dump_tmp_dir_created:1;
unsigned int dump_mounted:1;
struct disk_info *info;
disk_blockptr_t scsi_dump_sb_blockptr;
};
extern struct component_footer component_footers[NR_PROGRAM_COMPONENTS];
static inline component_type component_type_by_id(enum program_component_id id)
{
return component_footers[id].type;
}
static inline const char *component_desc_by_id(enum program_component_id id)
{
return component_footers[id].desc;
}
static inline struct program_component *get_component(struct install_set *bis,
int i, int j)
{
return bis->components[i] + j;
}
int prepare_bootloader(struct job_data *job, struct install_set *bis);
int install_bootloader(struct job_data *job, struct install_set *bis);
void free_bootloader(struct install_set *bis);
int install_tapeloader(const char* device, const char* image,
const char* parmline, const char* ramdisk,
address_t image_addr, address_t parm_addr,
address_t initrd_addr);
int install_dump(const char* device, struct job_target_data* target,
uint64_t mem);
int install_mvdump(char* const device[], struct job_target_data* target,
int device_count, uint64_t mem, uint8_t force);
int install_fba_stage1b(int fd, disk_blockptr_t **stage1b_list,
blocknum_t *stage1b_count, disk_blockptr_t *stage2_list,
blocknum_t stage2_count, struct disk_info *info);
int install_eckd_stage1b(int fd, disk_blockptr_t **stage1b_list,
blocknum_t *stage1b_count,
disk_blockptr_t *stage2_list,
blocknum_t stage2_count, struct disk_info *info);
int rewind_tape(int fd);
#endif /* INSTALL_H */