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" /* SunOS-4.0 1.7 */ 31 32 /* 33 * Boot time configuration information objects 34 */ 35 36 #include <sys/types.h> 37 #include <sys/memlist.h> 38 #include <sys/bootstat.h> 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 /* 45 * masks to hand to bsys_alloc memory allocator 46 * XXX These names shouldn't really be srmmu derived. 47 */ 48 #define BO_NO_ALIGN 0x00001000 49 #define BO_ALIGN_L3 0x00001000 50 #define BO_ALIGN_L2 0x00040000 51 #define BO_ALIGN_L1 0x01000000 52 53 /* 54 * We pass a ptr to the space that boot has been using 55 * for its memory lists. 56 */ 57 struct bsys_mem { 58 struct memlist *physinstalled; /* amt of physmem installed */ 59 struct memlist *physavail; /* amt of physmem avail for use */ 60 struct memlist *virtavail; /* amt of virtmem avail for use */ 61 uint_t extent; /* number of bytes in the space */ 62 }; 63 64 #define BO_VERSION 9 /* bootops interface revision # */ 65 66 #define BOOTOPS_ARE_1275(bop) \ 67 ((BOP_GETVERSION(bop)) >= 9 && (bop->bsys_1275_call != 0)) 68 69 typedef struct bootops { 70 /* 71 * the ubiquitous version number 72 */ 73 uint_t bsys_version; 74 75 /* 76 * pointer to our parents bootops 77 */ 78 struct bootops *bsys_super; 79 80 /* 81 * the area containing boot's memlists (non-LP64 boot) 82 */ 83 struct bsys_mem *boot_mem; 84 85 #ifndef _LP64 86 uint32_t bsys_pad2[2]; /* pointers above get larger */ 87 #endif 88 /* 89 * The entry point to jump to for boot services. 90 * Pass this routine the array of boot_cell_t's describing the 91 * service requested. 92 */ 93 uint64_t bsys_1275_call; 94 95 uint32_t bsys_pad1[7]; 96 /* 97 * print formatted output - PRINTFLIKE1 98 * here (and maintained) so old kernels can fail with 99 * an error message rather than something weird. 100 * not really 'printf' though. 101 */ 102 uint32_t bsys_printf; 103 } bootops_t; 104 105 extern uint_t bop_getversion(struct bootops *bootops); 106 extern int bop_open(struct bootops *bop, char *s, int flags); 107 extern int bop_read(struct bootops *bop, int fd, caddr_t buf, size_t size); 108 extern int bop_seek(struct bootops *bop, int fd, off_t hi, off_t lo); 109 extern int bop_close(struct bootops *bop, int fd); 110 extern caddr_t bop_alloc(struct bootops *bop, caddr_t virthint, size_t size, 111 int align); 112 extern caddr_t bop_alloc_virt(struct bootops *bop, caddr_t virt, size_t size); 113 extern void bop_free(struct bootops *bop, caddr_t virt, size_t size); 114 extern caddr_t bop_map(struct bootops *bop, caddr_t virt, int space, 115 caddr_t phys, size_t size); 116 extern void bop_unmap(struct bootops *bop, caddr_t virt, size_t size); 117 extern void bop_quiesce_io(struct bootops *bop); 118 extern int bop_getproplen(struct bootops *bop, char *name); 119 extern int bop_getprop(struct bootops *bop, char *name, void *value); 120 extern char *bop_nextprop(struct bootops *bop, char *prevprop); 121 extern int bop_mountroot(struct bootops *bop, char *path); 122 extern int bop_unmountroot(struct bootops *bop); 123 extern void bop_puts(struct bootops *, char *); 124 extern void bop_putsarg(struct bootops *, const char *, ...); 125 extern int bop_fstat(struct bootops *, int fd, struct bootstat *); 126 extern void bop_enter_mon(struct bootops *bop); 127 128 #define BOP_GETVERSION(bop) bop_getversion(bop) 129 #define BOP_OPEN(bop, s, flags) bop_open(bop, s, flags) 130 #define BOP_READ(bop, fd, buf, size) bop_read(bop, fd, buf, size) 131 #define BOP_SEEK(bop, fd, hi, lo) bop_seek(bop, fd, hi, lo) 132 #define BOP_CLOSE(bop, fd) bop_close(bop, fd) 133 #define BOP_ALLOC(bop, virthint, size, align) \ 134 bop_alloc(bop, virthint, size, align) 135 #define BOP_ALLOC_VIRT(bop, virt, size) bop_alloc_virt(bop, virt, size) 136 #define BOP_FREE(bop, virt, size) bop_free(bop, virt, size) 137 #define BOP_MAP(bop, virt, space, phys, size) \ 138 bop_map(bop, virt, space, phys, size) 139 #define BOP_UNMAP(bop, virt, size) bop_unmap(bop, virt, size) 140 #define BOP_QUIESCE_IO(bop) bop_quiesce_io(bop) 141 #define BOP_GETPROPLEN(bop, name) bop_getproplen(bop, name) 142 #define BOP_GETPROP(bop, name, buf) bop_getprop(bop, name, buf) 143 #define BOP_NEXTPROP(bop, prev) bop_nextprop(bop, prev) 144 #define BOP_MOUNTROOT(bop, path) bop_mountroot(bop, path) 145 #define BOP_UNMOUNTROOT(bop) bop_unmountroot(bop) 146 #define BOP_PUTS(bop, msg) bop_puts(bop, msg) 147 #define BOP_PUTSARG(bop, msg, arg) bop_putsarg(bop, msg, arg) 148 #define BOP_FSTAT(bop, fd, st) bop_fstat(bop, fd, st) 149 #define BOP_ENTER_MON(bop) bop_enter_mon(bop) 150 151 /* 152 * macros and declarations needed by clients of boot to 153 * call the 1275-like boot interface routines. 154 */ 155 156 typedef unsigned long long boot_cell_t; 157 158 /* 159 * Macros that work in both compilation models, to permit either a 160 * sun4u/ILP32 or a sun4u/LP64 program to interface with the new 161 * 1275-like boot service replacement for bootops. 162 * 163 * These macros stuff/unstuff arguments into/from boot_cell_t's, which are 164 * fixed size in all models. Note that some of the types (e.g. off_t) 165 * change size in the models. 166 */ 167 #define boot_ptr2cell(p) ((boot_cell_t)((uintptr_t)((void *)(p)))) 168 #define boot_int2cell(i) ((boot_cell_t)((int)(i))) 169 #define boot_uint2cell(u) ((boot_cell_t)((unsigned int)(u))) 170 #define boot_uint642cell(u) ((boot_cell_t)((uint64_t)(u))) 171 #define boot_offt2cell(u) ((boot_cell_t)((off_t)(u))) 172 #define boot_size2cell(u) ((boot_cell_t)((size_t)(u))) 173 #define boot_phandle2cell(ph) ((boot_cell_t)((unsigned)((phandle_t)(ph)))) 174 #define boot_dnode2cell(d) ((boot_cell_t)((unsigned)((pnode_t)(d)))) 175 #define boot_ihandle2cell(ih) ((boot_cell_t)((unsigned)((ihandle_t)(ih)))) 176 177 #define boot_cell2ptr(p) ((void *)(uintptr_t)((boot_cell_t)(p))) 178 #define boot_cell2int(i) ((int)((boot_cell_t)(i))) 179 #define boot_cell2uint(u) ((unsigned int)((boot_cell_t)(u))) 180 #define boot_cell2uint64(u) ((uint64_t)((boot_cell_t)(u))) 181 #define boot_cell2offt(u) ((off_t)((boot_cell_t)(u))) 182 #define boot_cell2size(u) ((size_t)((boot_cell_t)(u))) 183 #define boot_cell2phandle(ph) ((phandle_t)((boot_cell_t)(ph))) 184 #define boot_cell2dnode(d) ((pnode_t)((boot_cell_t)(d))) 185 #define boot_cell2ihandle(ih) ((ihandle_t)((boot_cell_t)(ih))) 186 #define boot_cells2ull(h, l) ((unsigned long long)(boot_cell_t)(l)) 187 188 #define BOOT_SVC_FAIL (int)(-1) 189 #define BOOT_SVC_OK (int)(1) 190 191 #if defined(_KERNEL) && !defined(_BOOT) 192 193 /* 194 * Boot configuration information 195 */ 196 197 #define BO_MAXFSNAME 16 198 #define BO_MAXOBJNAME 256 199 200 struct bootobj { 201 char bo_fstype[BO_MAXFSNAME]; /* vfs type name (e.g. nfs) */ 202 char bo_name[BO_MAXOBJNAME]; /* name of object */ 203 int bo_flags; /* flags, see below */ 204 int bo_size; /* number of blocks */ 205 struct vnode *bo_vp; /* vnode of object */ 206 char bo_devname[BO_MAXOBJNAME]; 207 char bo_ifname[BO_MAXOBJNAME]; 208 int bo_ppa; 209 }; 210 211 /* 212 * flags 213 */ 214 #define BO_VALID 0x01 /* all information in object is valid */ 215 #define BO_BUSY 0x02 /* object is busy */ 216 217 extern struct bootobj rootfs; 218 extern struct bootobj swapfile; 219 220 extern char obp_bootpath[BO_MAXOBJNAME]; 221 extern char svm_bootpath[BO_MAXOBJNAME]; 222 223 extern dev_t getrootdev(void); 224 extern void getfsname(char *, char *, size_t); 225 extern int loadrootmodules(void); 226 227 extern int strplumb(void); 228 extern int strplumb_load(void); 229 230 extern void consconfig(void); 231 232 extern int dhcpinit(void); 233 234 /* XXX Doesn't belong here */ 235 extern int zsgetspeed(dev_t); 236 237 extern void param_check(void); 238 239 extern struct bootops *bootops; 240 extern int netboot; 241 extern int swaploaded; 242 extern int modrootloaded; 243 extern char kern_bootargs[]; 244 extern char *default_path; 245 extern char *dhcack; 246 extern char *netdev_path; 247 248 #endif /* _KERNEL && !_BOOT */ 249 250 #ifdef __cplusplus 251 } 252 #endif 253 254 #endif /* _SYS_BOOTCONF_H */ 255