1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright 2016 Nexenta Systems, Inc. All rights reserved. 24 */ 25 26 #ifndef _INSTALLGRUB_H 27 #define _INSTALLGRUB_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #include <sys/multiboot.h> 34 #include "./../common/bblk_einfo.h" 35 36 #define SECTOR_SIZE (512) 37 38 typedef struct _device_data { 39 char *path; 40 char *path_p0; 41 uint8_t type; 42 int part_fd; 43 int disk_fd; 44 int slice; 45 int partition; 46 uint64_t start_sector; 47 char boot_sector[SECTOR_SIZE]; 48 } ig_device_t; 49 50 typedef struct _stage2_data { 51 char *buf; 52 char *file; 53 char *extra; 54 multiboot_header_t *mboot; 55 uint32_t mboot_off; 56 uint32_t file_size; 57 uint32_t extra_size; 58 uint32_t buf_size; 59 uint32_t first_sector; 60 uint32_t pcfs_first_sectors[2]; 61 } ig_stage2_t; 62 63 typedef struct _ig_data { 64 char stage1_buf[SECTOR_SIZE]; 65 ig_stage2_t stage2; 66 ig_device_t device; 67 } ig_data_t; 68 69 enum ig_devtype_t { 70 IG_DEV_X86BOOTPAR = 1, 71 IG_DEV_SOLVTOC, 72 IG_DEV_EFI 73 }; 74 75 #define is_bootpar(type) (type == IG_DEV_X86BOOTPAR) 76 #define is_efi(type) (type == IG_DEV_EFI) 77 78 #define STAGE2_MEMADDR (0x8000) /* loading addr of stage2 */ 79 80 #define STAGE1_BPB_OFFSET (0x3) 81 #define STAGE1_BPB_SIZE (0x3B) 82 #define STAGE1_BOOT_DRIVE (0x40) 83 #define STAGE1_FORCE_LBA (0x41) 84 #define STAGE1_STAGE2_ADDRESS (0x42) 85 #define STAGE1_STAGE2_SECTOR (0x44) 86 #define STAGE1_STAGE2_SEGMENT (0x48) 87 88 #define STAGE2_BLOCKLIST (SECTOR_SIZE - 0x8) 89 #define STAGE2_INSTALLPART (SECTOR_SIZE + 0x8) 90 #define STAGE2_FORCE_LBA (SECTOR_SIZE + 0x11) 91 #define STAGE2_BLKOFF(type) \ 92 (is_efi(type) ? 1024 : 50) /* offset from start of part */ 93 94 /* 95 * Maximum size of stage2 on EFI-labeled disks. Must not be larger than 96 * VDEV_BOOT_SIZE, defined in usr/src/uts/common/fs/zfs/sys/vdev_impl.h 97 */ 98 #define STAGE2_MAXSIZE (1ULL << 19) 99 100 #ifdef __cplusplus 101 } 102 #endif 103 104 #endif /* _INSTALLGRUB_H */ 105