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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_BOOTCONF_H 28 #define _SYS_BOOTCONF_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * Boot time configuration information objects 34 */ 35 36 #include <sys/types.h> 37 #include <sys/bootregs.h> /* for struct bop_regs */ 38 #include <sys/bootstat.h> 39 #include <sys/dirent.h> /* for struct dirent */ 40 #include <sys/memlist.h> 41 #include <sys/obpdefs.h> 42 43 #ifdef __cplusplus 44 extern "C" { 45 #endif 46 47 /* 48 * masks to hand to bsys_alloc memory allocator 49 * XXX These names shouldn't really be srmmu derived. 50 */ 51 #define BO_NO_ALIGN 0x00001000 52 53 /* flags for BOP_EALLOC */ 54 #define BOPF_X86_ALLOC_CLIENT 0x001 55 #define BOPF_X86_ALLOC_REAL 0x002 56 #define BOPF_X86_ALLOC_IDMAP 0x003 57 #define BOPF_X86_ALLOC_PHYS 0x004 58 59 /* return values for the newer bootops */ 60 #define BOOT_SUCCESS 0 61 #define BOOT_FAILURE (-1) 62 63 /* top of boot scratch memory: 15 MB; multiboot loads at 16 MB */ 64 #define MAGIC_PHYS 0xF00000 65 66 /* 67 * We pass a ptr to the space that boot has been using 68 * for its memory lists. 69 */ 70 struct bsys_mem { 71 struct memlist *physinstalled; /* amt of physmem installed */ 72 struct memlist *physavail; /* amt of physmem avail for use */ 73 struct memlist *virtavail; /* amt of virtmem avail for use */ 74 struct memlist *pcimem; /* amt of pcimem avail for use */ 75 uint_t extent; /* number of bytes in the space */ 76 }; 77 78 /* 79 * Warning: Changing BO_VERSION blows compatibility between booters 80 * and older kernels. If you want to change the struct bootops, 81 * please consider adding new stuff to the end and using the 82 * "bootops-extensions" mechanism described below. 83 */ 84 #define BO_VERSION 10 /* bootops interface revision # */ 85 86 typedef struct bootops { 87 /* 88 * the ubiquitous version number 89 */ 90 uint_t bsys_version; 91 92 /* 93 * the area containing boot's memlists 94 */ 95 struct bsys_mem *boot_mem; 96 97 /* 98 * have boot allocate size bytes at virthint 99 */ 100 caddr_t (*bsys_alloc)(struct bootops *, caddr_t virthint, size_t size, 101 int align); 102 103 /* 104 * free size bytes allocated at virt - put the 105 * address range back onto the avail lists. 106 */ 107 void (*bsys_free)(struct bootops *, caddr_t virt, size_t size); 108 109 /* 110 * to find the size of the buffer to allocate 111 */ 112 int (*bsys_getproplen)(struct bootops *, char *name); 113 114 /* 115 * get the value associated with this name 116 */ 117 int (*bsys_getprop)(struct bootops *, char *name, void *value); 118 119 /* 120 * get the name of the next property in succession 121 * from the standalone 122 */ 123 char *(*bsys_nextprop)(struct bootops *, char *prevprop); 124 125 /* 126 * print formatted output 127 */ 128 void (*bsys_printf)(struct bootops *, char *, ...); 129 130 /* 131 * Do a real mode interrupt 132 */ 133 void (*bsys_doint)(struct bootops *, int, struct bop_regs *); 134 135 /* 136 * Enhanced version of bsys_alloc(). 137 */ 138 caddr_t (*bsys_ealloc)(struct bootops *, caddr_t virthint, size_t size, 139 int align, int flags); 140 141 /* end of bootops which exist if (bootops-extensions >= 1) */ 142 } bootops_t; 143 144 #define BOP_GETVERSION(bop) ((bop)->bsys_version) 145 #define BOP_ALLOC(bop, virthint, size, align) \ 146 ((bop)->bsys_alloc)(bop, virthint, size, align) 147 #define BOP_FREE(bop, virt, size) ((bop)->bsys_free)(bop, virt, size) 148 #define BOP_GETPROPLEN(bop, name) ((bop)->bsys_getproplen)(bop, name) 149 #define BOP_GETPROP(bop, name, buf) ((bop)->bsys_getprop)(bop, name, buf) 150 #define BOP_NEXTPROP(bop, prev) ((bop)->bsys_nextprop)(bop, prev) 151 #define BOP_DOINT(bop, intnum, rp) ((bop)->bsys_doint)(bop, intnum, rp) 152 #define BOP_EALLOC(bop, virthint, size, align, flags)\ 153 ((bop)->bsys_ealloc)(bop, virthint, size, align, flags) 154 155 #define BOP_PUTSARG(bop, msg, arg) ((bop)->bsys_printf)(bop, msg, arg) 156 157 #if defined(_KERNEL) && !defined(_BOOT) 158 159 /* 160 * Boot configuration information 161 */ 162 163 #define BO_MAXFSNAME 16 164 #define BO_MAXOBJNAME 256 165 166 struct bootobj { 167 char bo_fstype[BO_MAXFSNAME]; /* vfs type name (e.g. nfs) */ 168 char bo_name[BO_MAXOBJNAME]; /* name of object */ 169 int bo_flags; /* flags, see below */ 170 int bo_size; /* number of blocks */ 171 struct vnode *bo_vp; /* vnode of object */ 172 char bo_devname[BO_MAXOBJNAME]; 173 char bo_ifname[BO_MAXOBJNAME]; 174 int bo_ppa; 175 }; 176 177 /* 178 * flags 179 */ 180 #define BO_VALID 0x01 /* all information in object is valid */ 181 #define BO_BUSY 0x02 /* object is busy */ 182 183 extern struct bootobj rootfs; 184 extern struct bootobj swapfile; 185 186 extern char obp_bootpath[BO_MAXOBJNAME]; 187 extern char svm_bootpath[BO_MAXOBJNAME]; 188 189 extern dev_t getrootdev(void); 190 extern void getfsname(char *, char *, size_t); 191 extern int loadrootmodules(void); 192 193 extern int strplumb(void); 194 extern int strplumb_load(void); 195 extern char *strplumb_get_netdev_path(void); 196 197 extern void consconfig(void); 198 extern void release_bootstrap(void); 199 200 extern void param_check(void); 201 extern int octet_to_hexascii(const void *, uint_t, char *, uint_t *); 202 203 extern int dhcpinit(void); 204 205 /* 206 * XXX The memlist stuff belongs in a header of its own 207 */ 208 extern int check_boot_version(int); 209 extern void size_physavail(struct memlist *, pgcnt_t *, int *, pfn_t); 210 extern int copy_physavail(struct memlist *, struct memlist **, 211 uint_t, uint_t); 212 extern void installed_top_size(struct memlist *, pfn_t *, pgcnt_t *, int *); 213 extern int check_memexp(struct memlist *, uint_t); 214 extern void copy_memlist_filter(struct memlist *, struct memlist **, 215 void (*filter)(uint64_t *, uint64_t *)); 216 217 extern struct bootops *bootops; 218 extern int netboot; 219 extern int swaploaded; 220 extern int modrootloaded; 221 extern char kern_bootargs[]; 222 extern char *default_path; 223 extern char *dhcack; 224 extern int dhcacklen; 225 extern char *netdev_path; 226 227 #endif /* _KERNEL && !_BOOT */ 228 229 #ifdef __cplusplus 230 } 231 #endif 232 233 #endif /* _SYS_BOOTCONF_H */ 234