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 2009 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 31 /* 32 * Boot time configuration information objects 33 */ 34 35 #include <sys/types.h> 36 #include <sys/bootregs.h> /* for struct bop_regs */ 37 #include <sys/bootstat.h> 38 #include <sys/dirent.h> /* for struct dirent */ 39 #include <sys/memlist.h> 40 #include <sys/obpdefs.h> 41 #include <net/if.h> /* for IFNAMSIZ */ 42 43 #ifdef __cplusplus 44 extern "C" { 45 #endif 46 47 /* 48 * Boot property names 49 */ 50 #define BP_CPU_APICID_ARRAY "cpu_apicid_array" 51 #define BP_LGRP_SLIT_ENABLE "lgrp_slit_enable" 52 #define BP_LGRP_SRAT_ENABLE "lgrp_srat_enable" 53 #define BP_LGRP_TOPO_LEVELS "lgrp_topo_levels" 54 55 /* 56 * masks to hand to bsys_alloc memory allocator 57 * XXX These names shouldn't really be srmmu derived. 58 */ 59 #define BO_NO_ALIGN 0x00001000 60 61 /* flags for BOP_EALLOC */ 62 #define BOPF_X86_ALLOC_CLIENT 0x001 63 #define BOPF_X86_ALLOC_REAL 0x002 64 #define BOPF_X86_ALLOC_IDMAP 0x003 65 #define BOPF_X86_ALLOC_PHYS 0x004 66 67 /* return values for the newer bootops */ 68 #define BOOT_SUCCESS 0 69 #define BOOT_FAILURE (-1) 70 71 /* top of boot scratch memory: 15 MB; multiboot loads at 16 MB */ 72 #define MAGIC_PHYS 0xF00000 73 74 /* 75 * We pass a ptr to the space that boot has been using 76 * for its memory lists. 77 */ 78 struct bsys_mem { 79 struct memlist *physinstalled; /* amt of physmem installed */ 80 struct memlist *rsvdmem; /* amt of bios reserved mem */ 81 struct memlist *physavail; /* amt of physmem avail for use */ 82 struct memlist *virtavail; /* amt of virtmem avail for use */ 83 struct memlist *pcimem; /* amt of pcimem avail for use */ 84 uint_t extent; /* number of bytes in the space */ 85 }; 86 87 /* 88 * Warning: Changing BO_VERSION blows compatibility between booters 89 * and older kernels. If you want to change the struct bootops, 90 * please consider adding new stuff to the end and using the 91 * "bootops-extensions" mechanism described below. 92 */ 93 #define BO_VERSION 10 /* bootops interface revision # */ 94 95 typedef struct bootops { 96 /* 97 * the ubiquitous version number 98 */ 99 uint_t bsys_version; 100 101 /* 102 * the area containing boot's memlists 103 */ 104 struct bsys_mem *boot_mem; 105 106 /* 107 * have boot allocate size bytes at virthint 108 */ 109 caddr_t (*bsys_alloc)(struct bootops *, caddr_t virthint, size_t size, 110 int align); 111 112 /* 113 * free size bytes allocated at virt - put the 114 * address range back onto the avail lists. 115 */ 116 void (*bsys_free)(struct bootops *, caddr_t virt, size_t size); 117 118 /* 119 * to find the size of the buffer to allocate 120 */ 121 int (*bsys_getproplen)(struct bootops *, const char *); 122 123 /* 124 * get the value associated with this name 125 */ 126 int (*bsys_getprop)(struct bootops *, const char *, void *); 127 128 /* 129 * get the name of the next property in succession 130 * from the standalone 131 */ 132 char *(*bsys_nextprop)(struct bootops *, char *prevprop); 133 134 /* 135 * print formatted output 136 */ 137 void (*bsys_printf)(struct bootops *, const char *, ...); 138 139 /* 140 * Do a real mode interrupt 141 */ 142 void (*bsys_doint)(struct bootops *, int, struct bop_regs *); 143 144 /* 145 * Enhanced version of bsys_alloc(). 146 */ 147 caddr_t (*bsys_ealloc)(struct bootops *, caddr_t virthint, size_t size, 148 int align, int flags); 149 150 /* end of bootops which exist if (bootops-extensions >= 1) */ 151 } bootops_t; 152 153 #define BOP_GETVERSION(bop) ((bop)->bsys_version) 154 #define BOP_ALLOC(bop, virthint, size, align) \ 155 ((bop)->bsys_alloc)(bop, virthint, size, align) 156 #define BOP_FREE(bop, virt, size) ((bop)->bsys_free)(bop, virt, size) 157 #define BOP_GETPROPLEN(bop, name) ((bop)->bsys_getproplen)(bop, name) 158 #define BOP_GETPROP(bop, name, buf) ((bop)->bsys_getprop)(bop, name, buf) 159 #define BOP_NEXTPROP(bop, prev) ((bop)->bsys_nextprop)(bop, prev) 160 #define BOP_DOINT(bop, intnum, rp) ((bop)->bsys_doint)(bop, intnum, rp) 161 #define BOP_EALLOC(bop, virthint, size, align, flags)\ 162 ((bop)->bsys_ealloc)(bop, virthint, size, align, flags) 163 164 #define BOP_PUTSARG(bop, msg, arg) ((bop)->bsys_printf)(bop, msg, arg) 165 166 #if defined(_KERNEL) && !defined(_BOOT) 167 168 /* 169 * Boot configuration information 170 */ 171 172 #define BO_MAXFSNAME 16 173 #define BO_MAXOBJNAME 256 174 175 struct bootobj { 176 char bo_fstype[BO_MAXFSNAME]; /* vfs type name (e.g. nfs) */ 177 char bo_name[BO_MAXOBJNAME]; /* name of object */ 178 int bo_flags; /* flags, see below */ 179 int bo_size; /* number of blocks */ 180 struct vnode *bo_vp; /* vnode of object */ 181 char bo_devname[BO_MAXOBJNAME]; 182 char bo_ifname[BO_MAXOBJNAME]; 183 int bo_ppa; 184 }; 185 186 /* 187 * flags 188 */ 189 #define BO_VALID 0x01 /* all information in object is valid */ 190 #define BO_BUSY 0x02 /* object is busy */ 191 192 extern struct bootobj rootfs; 193 extern struct bootobj swapfile; 194 195 extern char obp_bootpath[BO_MAXOBJNAME]; 196 extern char svm_bootpath[BO_MAXOBJNAME]; 197 198 extern void *gfx_devinfo_list; 199 200 extern dev_t getrootdev(void); 201 extern void getfsname(char *, char *, size_t); 202 extern int loadrootmodules(void); 203 204 extern int strplumb(void); 205 extern int strplumb_load(void); 206 extern char *strplumb_get_netdev_path(void); 207 208 extern void consconfig(void); 209 extern void release_bootstrap(void); 210 211 extern void param_check(void); 212 extern int octet_to_hexascii(const void *, uint_t, char *, uint_t *); 213 214 extern int dhcpinit(void); 215 216 /* 217 * XXX The memlist stuff belongs in a header of its own 218 */ 219 extern int check_boot_version(int); 220 extern void size_physavail(struct memlist *, pgcnt_t *, int *, pfn_t); 221 extern int copy_physavail(struct memlist *, struct memlist **, 222 uint_t, uint_t); 223 extern void installed_top_size(struct memlist *, pfn_t *, pgcnt_t *, int *); 224 extern int check_memexp(struct memlist *, uint_t); 225 extern void copy_memlist_filter(struct memlist *, struct memlist **, 226 void (*filter)(uint64_t *, uint64_t *)); 227 228 extern struct bootops *bootops; 229 extern int netboot; 230 extern int swaploaded; 231 extern int modrootloaded; 232 extern char kern_bootargs[]; 233 extern char kern_bootfile[]; 234 extern char *kobj_module_path; 235 extern char *default_path; 236 extern char *dhcack; 237 extern int dhcacklen; 238 extern char dhcifname[IFNAMSIZ]; 239 extern char *netdev_path; 240 241 extern void bop_no_more_mem(void); 242 243 /*PRINTFLIKE2*/ 244 extern void bop_printf(struct bootops *, const char *, ...) 245 __KPRINTFLIKE(2); 246 247 /*PRINTFLIKE1*/ 248 extern void bop_panic(const char *, ...) 249 __KPRINTFLIKE(1) __NORETURN; 250 #pragma rarely_called(bop_panic) 251 252 extern void boot_prop_finish(void); 253 254 extern int bootprop_getval(const char *, u_longlong_t *); 255 256 /* 257 * Back door to fakebop.c to get physical memory allocated. 258 * 64 bit data types are fixed for 32 bit PAE use. 259 */ 260 extern paddr_t do_bop_phys_alloc(uint64_t, uint64_t); 261 262 extern int do_bsys_getproplen(bootops_t *, const char *); 263 extern int do_bsys_getprop(bootops_t *, const char *, void *); 264 265 #endif /* _KERNEL && !_BOOT */ 266 267 #ifdef __cplusplus 268 } 269 #endif 270 271 #endif /* _SYS_BOOTCONF_H */ 272