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 * Copyright 2016 Nexenta Systems, Inc. 26 * Copyright 2020 Joyent, Inc. 27 */ 28 29 #ifndef _SYS_BOOTCONF_H 30 #define _SYS_BOOTCONF_H 31 32 33 /* 34 * Boot time configuration information objects 35 */ 36 37 #include <sys/types.h> 38 #include <sys/bootregs.h> /* for struct bop_regs */ 39 #include <sys/bootstat.h> 40 #include <sys/dirent.h> /* for struct dirent */ 41 #include <sys/memlist.h> 42 #include <sys/obpdefs.h> 43 #include <sys/varargs.h> 44 #include <net/if.h> /* for IFNAMSIZ */ 45 46 #ifdef __cplusplus 47 extern "C" { 48 #endif 49 50 #define BP_MAX_STRLEN 32 51 52 /* 53 * Boot property names 54 */ 55 #define BP_CPU_APICID_ARRAY "cpu_apicid_array" 56 #define BP_LGRP_SLIT_ENABLE "lgrp_slit_enable" 57 #define BP_LGRP_SRAT_ENABLE "lgrp_srat_enable" 58 #define BP_LGRP_MSCT_ENABLE "lgrp_msct_enable" 59 #define BP_LGRP_TOPO_LEVELS "lgrp_topo_levels" 60 61 /* 62 * masks to hand to bsys_alloc memory allocator 63 * XXX These names shouldn't really be srmmu derived. 64 */ 65 #define BO_NO_ALIGN 0x00001000 66 67 /* flags for BOP_EALLOC */ 68 #define BOPF_X86_ALLOC_CLIENT 0x001 69 #define BOPF_X86_ALLOC_REAL 0x002 70 #define BOPF_X86_ALLOC_IDMAP 0x003 71 #define BOPF_X86_ALLOC_PHYS 0x004 72 73 /* return values for the newer bootops */ 74 #define BOOT_SUCCESS 0 75 #define BOOT_FAILURE (-1) 76 77 /* top of boot scratch memory: 15 MB; multiboot loads at 16 MB */ 78 #define MAGIC_PHYS 0xF00000 79 80 /* 81 * We pass a ptr to the space that boot has been using 82 * for its memory lists. 83 */ 84 struct bsys_mem { 85 struct memlist *physinstalled; /* amt of physmem installed */ 86 struct memlist *rsvdmem; /* amt of bios reserved mem */ 87 struct memlist *physavail; /* amt of physmem avail for use */ 88 struct memlist *virtavail; /* amt of virtmem avail for use */ 89 struct memlist *pcimem; /* amt of pcimem avail for use */ 90 uint_t extent; /* number of bytes in the space */ 91 }; 92 93 /* 94 * Warning: Changing BO_VERSION blows compatibility between booters 95 * and older kernels. If you want to change the struct bootops, 96 * please consider adding new stuff to the end and using the 97 * "bootops-extensions" mechanism described below. 98 */ 99 #define BO_VERSION 10 /* bootops interface revision # */ 100 101 typedef struct bootops { 102 /* 103 * the ubiquitous version number 104 */ 105 uint_t bsys_version; 106 107 /* 108 * the area containing boot's memlists 109 */ 110 struct bsys_mem *boot_mem; 111 112 /* 113 * have boot allocate size bytes at virthint 114 */ 115 caddr_t (*bsys_alloc)(struct bootops *, caddr_t virthint, size_t size, 116 int align); 117 118 /* 119 * free size bytes allocated at virt - put the 120 * address range back onto the avail lists. 121 */ 122 void (*bsys_free)(struct bootops *, caddr_t virt, size_t size); 123 124 /* 125 * to find the size of the buffer to allocate 126 */ 127 int (*bsys_getproplen)(struct bootops *, const char *); 128 129 /* 130 * get the value associated with this name 131 */ 132 int (*bsys_getprop)(struct bootops *, const char *, void *); 133 134 /* 135 * get the name of the next property in succession 136 * from the standalone 137 */ 138 char *(*bsys_nextprop)(struct bootops *, char *prevprop); 139 140 /* 141 * print formatted output 142 */ 143 void (*bsys_printf)(void *, const char *, ...); 144 145 /* 146 * Do a real mode interrupt 147 */ 148 void (*bsys_doint)(struct bootops *, int, struct bop_regs *); 149 150 /* 151 * Enhanced version of bsys_alloc(). 152 */ 153 caddr_t (*bsys_ealloc)(struct bootops *, caddr_t virthint, size_t size, 154 int align, int flags); 155 156 /* end of bootops which exist if (bootops-extensions >= 1) */ 157 } bootops_t; 158 159 #define BOP_GETVERSION(bop) ((bop)->bsys_version) 160 #define BOP_ALLOC(bop, virthint, size, align) \ 161 ((bop)->bsys_alloc)(bop, virthint, size, align) 162 #define BOP_FREE(bop, virt, size) ((bop)->bsys_free)(bop, virt, size) 163 #define BOP_GETPROPLEN(bop, name) ((bop)->bsys_getproplen)(bop, name) 164 #define BOP_GETPROP(bop, name, buf) ((bop)->bsys_getprop)(bop, name, buf) 165 #define BOP_NEXTPROP(bop, prev) ((bop)->bsys_nextprop)(bop, prev) 166 #define BOP_DOINT(bop, intnum, rp) ((bop)->bsys_doint)(bop, intnum, rp) 167 #define BOP_EALLOC(bop, virthint, size, align, flags)\ 168 ((bop)->bsys_ealloc)(bop, virthint, size, align, flags) 169 170 #define BOP_PUTSARG(bop, msg, arg) ((bop)->bsys_printf)(bop, msg, arg) 171 172 #if defined(_KERNEL) && !defined(_BOOT) 173 174 /* 175 * Boot configuration information 176 */ 177 178 #define BO_MAXFSNAME 16 179 #define BO_MAXOBJNAME 256 180 181 struct bootobj { 182 char bo_fstype[BO_MAXFSNAME]; /* vfs type name (e.g. nfs) */ 183 char bo_name[BO_MAXOBJNAME]; /* name of object */ 184 int bo_flags; /* flags, see below */ 185 int bo_size; /* number of blocks */ 186 struct vnode *bo_vp; /* vnode of object */ 187 char bo_devname[BO_MAXOBJNAME]; 188 char bo_ifname[BO_MAXOBJNAME]; 189 int bo_ppa; 190 }; 191 192 /* 193 * flags 194 */ 195 #define BO_VALID 0x01 /* all information in object is valid */ 196 #define BO_BUSY 0x02 /* object is busy */ 197 198 extern struct bootobj rootfs; 199 extern struct bootobj swapfile; 200 201 extern char obp_bootpath[BO_MAXOBJNAME]; 202 203 extern void *gfx_devinfo_list; 204 205 extern dev_t getrootdev(void); 206 extern void getfsname(char *, char *, size_t); 207 extern int loadrootmodules(void); 208 209 extern int strplumb(void); 210 extern int strplumb_load(void); 211 extern char *strplumb_get_netdev_path(void); 212 213 extern void consconfig(void); 214 extern void release_bootstrap(void); 215 216 extern void param_check(void); 217 extern int octet_to_hexascii(const void *, uint_t, char *, uint_t *); 218 219 extern int dhcpinit(void); 220 221 extern struct bootops *bootops; 222 extern int netboot; 223 extern int swaploaded; 224 extern int modrootloaded; 225 extern char kern_bootargs[]; 226 extern char kern_bootfile[]; 227 extern char *kobj_module_path; 228 extern char *default_path; 229 extern char *dhcack; 230 extern int dhcacklen; 231 extern char dhcifname[IFNAMSIZ]; 232 extern char *netdev_path; 233 234 extern void bop_no_more_mem(void); 235 236 /*PRINTFLIKE2*/ 237 extern void bop_printf(void *, const char *, ...) 238 __KPRINTFLIKE(2); 239 extern void vbop_printf(void *, const char *, va_list); 240 241 /*PRINTFLIKE1*/ 242 extern void bop_panic(const char *, ...) 243 __KPRINTFLIKE(1) __NORETURN; 244 #pragma rarely_called(bop_panic) 245 246 extern void read_bootenvrc(void); 247 248 extern int bootprop_getval(const char *, u_longlong_t *); 249 extern int bootprop_getstr(const char *, char *, size_t); 250 251 /* 252 * Back door to fakebop.c to get physical memory allocated. 253 * 64 bit data types are fixed for 32 bit PAE use. 254 */ 255 extern paddr_t do_bop_phys_alloc(uint64_t, uint64_t); 256 257 extern int do_bsys_getproplen(bootops_t *, const char *); 258 extern int do_bsys_getprop(bootops_t *, const char *, void *); 259 extern int do_bsys_getproptype(bootops_t *, const char *); 260 261 #endif /* _KERNEL && !_BOOT */ 262 263 #ifdef __cplusplus 264 } 265 #endif 266 267 #endif /* _SYS_BOOTCONF_H */ 268