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 /* 23 * Copyright 2008 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 #include <net/if.h> /* for IFNAMSIZ */ 43 44 #ifdef __cplusplus 45 extern "C" { 46 #endif 47 48 /* 49 * masks to hand to bsys_alloc memory allocator 50 * XXX These names shouldn't really be srmmu derived. 51 */ 52 #define BO_NO_ALIGN 0x00001000 53 54 /* flags for BOP_EALLOC */ 55 #define BOPF_X86_ALLOC_CLIENT 0x001 56 #define BOPF_X86_ALLOC_REAL 0x002 57 #define BOPF_X86_ALLOC_IDMAP 0x003 58 #define BOPF_X86_ALLOC_PHYS 0x004 59 60 /* return values for the newer bootops */ 61 #define BOOT_SUCCESS 0 62 #define BOOT_FAILURE (-1) 63 64 /* top of boot scratch memory: 15 MB; multiboot loads at 16 MB */ 65 #define MAGIC_PHYS 0xF00000 66 67 /* 68 * We pass a ptr to the space that boot has been using 69 * for its memory lists. 70 */ 71 struct bsys_mem { 72 struct memlist *physinstalled; /* amt of physmem installed */ 73 struct memlist *physavail; /* amt of physmem avail for use */ 74 struct memlist *virtavail; /* amt of virtmem avail for use */ 75 struct memlist *pcimem; /* amt of pcimem avail for use */ 76 uint_t extent; /* number of bytes in the space */ 77 }; 78 79 /* 80 * Warning: Changing BO_VERSION blows compatibility between booters 81 * and older kernels. If you want to change the struct bootops, 82 * please consider adding new stuff to the end and using the 83 * "bootops-extensions" mechanism described below. 84 */ 85 #define BO_VERSION 10 /* bootops interface revision # */ 86 87 typedef struct bootops { 88 /* 89 * the ubiquitous version number 90 */ 91 uint_t bsys_version; 92 93 /* 94 * the area containing boot's memlists 95 */ 96 struct bsys_mem *boot_mem; 97 98 /* 99 * have boot allocate size bytes at virthint 100 */ 101 caddr_t (*bsys_alloc)(struct bootops *, caddr_t virthint, size_t size, 102 int align); 103 104 /* 105 * free size bytes allocated at virt - put the 106 * address range back onto the avail lists. 107 */ 108 void (*bsys_free)(struct bootops *, caddr_t virt, size_t size); 109 110 /* 111 * to find the size of the buffer to allocate 112 */ 113 int (*bsys_getproplen)(struct bootops *, const char *); 114 115 /* 116 * get the value associated with this name 117 */ 118 int (*bsys_getprop)(struct bootops *, const char *, void *); 119 120 /* 121 * get the name of the next property in succession 122 * from the standalone 123 */ 124 char *(*bsys_nextprop)(struct bootops *, char *prevprop); 125 126 /* 127 * print formatted output 128 */ 129 void (*bsys_printf)(struct bootops *, const char *, ...); 130 131 /* 132 * Do a real mode interrupt 133 */ 134 void (*bsys_doint)(struct bootops *, int, struct bop_regs *); 135 136 /* 137 * Enhanced version of bsys_alloc(). 138 */ 139 caddr_t (*bsys_ealloc)(struct bootops *, caddr_t virthint, size_t size, 140 int align, int flags); 141 142 /* end of bootops which exist if (bootops-extensions >= 1) */ 143 } bootops_t; 144 145 #define BOP_GETVERSION(bop) ((bop)->bsys_version) 146 #define BOP_ALLOC(bop, virthint, size, align) \ 147 ((bop)->bsys_alloc)(bop, virthint, size, align) 148 #define BOP_FREE(bop, virt, size) ((bop)->bsys_free)(bop, virt, size) 149 #define BOP_GETPROPLEN(bop, name) ((bop)->bsys_getproplen)(bop, name) 150 #define BOP_GETPROP(bop, name, buf) ((bop)->bsys_getprop)(bop, name, buf) 151 #define BOP_NEXTPROP(bop, prev) ((bop)->bsys_nextprop)(bop, prev) 152 #define BOP_DOINT(bop, intnum, rp) ((bop)->bsys_doint)(bop, intnum, rp) 153 #define BOP_EALLOC(bop, virthint, size, align, flags)\ 154 ((bop)->bsys_ealloc)(bop, virthint, size, align, flags) 155 156 #define BOP_PUTSARG(bop, msg, arg) ((bop)->bsys_printf)(bop, msg, arg) 157 158 #if defined(_KERNEL) && !defined(_BOOT) 159 160 /* 161 * Boot configuration information 162 */ 163 164 #define BO_MAXFSNAME 16 165 #define BO_MAXOBJNAME 256 166 167 struct bootobj { 168 char bo_fstype[BO_MAXFSNAME]; /* vfs type name (e.g. nfs) */ 169 char bo_name[BO_MAXOBJNAME]; /* name of object */ 170 int bo_flags; /* flags, see below */ 171 int bo_size; /* number of blocks */ 172 struct vnode *bo_vp; /* vnode of object */ 173 char bo_devname[BO_MAXOBJNAME]; 174 char bo_ifname[BO_MAXOBJNAME]; 175 int bo_ppa; 176 }; 177 178 /* 179 * flags 180 */ 181 #define BO_VALID 0x01 /* all information in object is valid */ 182 #define BO_BUSY 0x02 /* object is busy */ 183 184 extern struct bootobj rootfs; 185 extern struct bootobj swapfile; 186 187 extern char obp_bootpath[BO_MAXOBJNAME]; 188 extern char svm_bootpath[BO_MAXOBJNAME]; 189 190 extern dev_t getrootdev(void); 191 extern void getfsname(char *, char *, size_t); 192 extern int loadrootmodules(void); 193 194 extern int strplumb(void); 195 extern int strplumb_load(void); 196 extern char *strplumb_get_netdev_path(void); 197 198 extern void consconfig(void); 199 extern void release_bootstrap(void); 200 201 extern void param_check(void); 202 extern int octet_to_hexascii(const void *, uint_t, char *, uint_t *); 203 204 extern int dhcpinit(void); 205 206 /* 207 * XXX The memlist stuff belongs in a header of its own 208 */ 209 extern int check_boot_version(int); 210 extern void size_physavail(struct memlist *, pgcnt_t *, int *, pfn_t); 211 extern int copy_physavail(struct memlist *, struct memlist **, 212 uint_t, uint_t); 213 extern void installed_top_size(struct memlist *, pfn_t *, pgcnt_t *, int *); 214 extern int check_memexp(struct memlist *, uint_t); 215 extern void copy_memlist_filter(struct memlist *, struct memlist **, 216 void (*filter)(uint64_t *, uint64_t *)); 217 218 extern struct bootops *bootops; 219 extern int netboot; 220 extern int swaploaded; 221 extern int modrootloaded; 222 extern char kern_bootargs[]; 223 extern char *kobj_module_path; 224 extern char *default_path; 225 extern char *dhcack; 226 extern int dhcacklen; 227 extern char dhcifname[IFNAMSIZ]; 228 extern char *netdev_path; 229 230 extern void bop_no_more_mem(void); 231 232 /*PRINTFLIKE2*/ 233 extern void bop_printf(struct bootops *, const char *, ...) 234 __KPRINTFLIKE(2); 235 236 /*PRINTFLIKE1*/ 237 extern void bop_panic(const char *, ...) 238 __KPRINTFLIKE(1) __NORETURN; 239 #pragma rarely_called(bop_panic) 240 241 extern void boot_prop_finish(void); 242 243 /* 244 * Back door to fakebop.c to get physical memory allocated. 245 * 64 bit data types are fixed for 32 bit PAE use. 246 */ 247 extern paddr_t do_bop_phys_alloc(uint64_t, uint64_t); 248 249 extern int do_bsys_getproplen(bootops_t *, const char *); 250 extern int do_bsys_getprop(bootops_t *, const char *, void *); 251 252 #endif /* _KERNEL && !_BOOT */ 253 254 #ifdef __cplusplus 255 } 256 #endif 257 258 #endif /* _SYS_BOOTCONF_H */ 259