Index: head/sys/boot/i386/libi386/libi386.h =================================================================== --- head/sys/boot/i386/libi386/libi386.h (revision 277948) +++ head/sys/boot/i386/libi386/libi386.h (revision 277949) @@ -1,129 +1,131 @@ /*- * Copyright (c) 1998 Michael Smith * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ /* * i386 fully-qualified device descriptor. * Note, this must match the 'struct devdesc' declaration * in bootstrap.h and also with struct zfs_devdesc for zfs * support. */ struct i386_devdesc { struct devsw *d_dev; int d_type; int d_unit; union { struct { void *data; int slice; int partition; off_t offset; } biosdisk; struct { void *data; } bioscd; struct { void *data; uint64_t pool_guid; uint64_t root_guid; } zfs; } d_kind; }; int i386_getdev(void **vdev, const char *devspec, const char **path); char *i386_fmtdev(void *vdev); int i386_setcurrdev(struct env_var *ev, int flags, const void *value); extern struct devdesc currdev; /* our current device */ #define MAXDEV 31 /* maximum number of distinct devices */ #define MAXBDDEV MAXDEV /* exported devices XXX rename? */ extern struct devsw bioscd; extern struct devsw biosdisk; extern struct devsw pxedisk; extern struct fs_ops pxe_fsops; int bc_add(int biosdev); /* Register CD booted from. */ int bc_getdev(struct i386_devdesc *dev); /* return dev_t for (dev) */ int bc_bios2unit(int biosdev); /* xlate BIOS device -> bioscd unit */ int bc_unit2bios(int unit); /* xlate bioscd unit -> BIOS device */ uint32_t bd_getbigeom(int bunit); /* return geometry in bootinfo format */ int bd_bios2unit(int biosdev); /* xlate BIOS device -> biosdisk unit */ int bd_unit2bios(int unit); /* xlate biosdisk unit -> BIOS device */ int bd_getdev(struct i386_devdesc *dev); /* return dev_t for (dev) */ ssize_t i386_copyin(const void *src, vm_offset_t dest, const size_t len); ssize_t i386_copyout(const vm_offset_t src, void *dest, const size_t len); ssize_t i386_readin(const int fd, vm_offset_t dest, const size_t len); struct preloaded_file; void bios_addsmapdata(struct preloaded_file *); void bios_getsmap(void); void bios_getmem(void); extern uint32_t bios_basemem; /* base memory in bytes */ extern uint32_t bios_extmem; /* extended memory in bytes */ extern vm_offset_t memtop; /* last address of physical memory + 1 */ extern vm_offset_t memtop_copyin; /* memtop less heap size for the cases */ /* when heap is at the top of */ /* extended memory; for other cases */ /* just the same as memtop */ extern uint32_t high_heap_size; /* extended memory region available */ extern vm_offset_t high_heap_base; /* for use as the heap */ void biospci_detect(void); int biospci_count_device_type(uint32_t devid); int biospci_find_devclass(uint32_t class, int index, uint32_t *locator); int biospci_find_device(uint32_t devid, int index, uint32_t *locator); int biospci_write_config(uint32_t locator, int offset, int width, uint32_t val); int biospci_read_config(uint32_t locator, int offset, int width, uint32_t *val); uint32_t biospci_locator(int8_t bus, uint8_t device, uint8_t function); void biosacpi_detect(void); void smbios_detect(void); +int smbios_match(const char* bios_vendor, const char* maker, + const char* product); int i386_autoload(void); int bi_getboothowto(char *kargs); void bi_setboothowto(int howto); vm_offset_t bi_copyenv(vm_offset_t addr); int bi_load32(char *args, int *howtop, int *bootdevp, vm_offset_t *bip, vm_offset_t *modulep, vm_offset_t *kernend); int bi_load64(char *args, vm_offset_t addr, vm_offset_t *modulep, vm_offset_t *kernend, int add_smap); char *pxe_default_rc(void); void pxe_enable(void *pxeinfo); Index: head/sys/boot/i386/libi386/smbios.c =================================================================== --- head/sys/boot/i386/libi386/smbios.c (revision 277948) +++ head/sys/boot/i386/libi386/smbios.c (revision 277949) @@ -1,351 +1,440 @@ /*- * Copyright (c) 2005-2009 Jung-uk Kim * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include "btxv86.h" #include "libi386.h" /* * Detect SMBIOS and export information about the SMBIOS into the * environment. * * System Management BIOS Reference Specification, v2.6 Final * http://www.dmtf.org/standards/published_documents/DSP0134_2.6.0.pdf */ /* * 2.1.1 SMBIOS Structure Table Entry Point * * "On non-EFI systems, the SMBIOS Entry Point structure, described below, can * be located by application software by searching for the anchor-string on * paragraph (16-byte) boundaries within the physical memory address range * 000F0000h to 000FFFFFh. This entry point encapsulates an intermediate anchor * string that is used by some existing DMI browsers." */ #define SMBIOS_START 0xf0000 #define SMBIOS_LENGTH 0x10000 #define SMBIOS_STEP 0x10 #define SMBIOS_SIG "_SM_" #define SMBIOS_DMI_SIG "_DMI_" #define SMBIOS_GET8(base, off) (*(uint8_t *)((base) + (off))) #define SMBIOS_GET16(base, off) (*(uint16_t *)((base) + (off))) #define SMBIOS_GET32(base, off) (*(uint32_t *)((base) + (off))) #define SMBIOS_GETLEN(base) SMBIOS_GET8(base, 0x01) #define SMBIOS_GETSTR(base) ((base) + SMBIOS_GETLEN(base)) -static uint32_t smbios_enabled_memory = 0; -static uint32_t smbios_old_enabled_memory = 0; -static uint8_t smbios_enabled_sockets = 0; -static uint8_t smbios_populated_sockets = 0; +struct smbios_attr { + int probed; + caddr_t addr; + size_t length; + size_t count; + int major; + int minor; + int ver; + const char* bios_vendor; + const char* maker; + const char* product; + uint32_t enabled_memory; + uint32_t old_enabled_memory; + uint8_t enabled_sockets; + uint8_t populated_sockets; +}; +static struct smbios_attr smbios; + static uint8_t smbios_checksum(const caddr_t addr, const uint8_t len) { uint8_t sum; int i; for (sum = 0, i = 0; i < len; i++) sum += SMBIOS_GET8(addr, i); return (sum); } static caddr_t smbios_sigsearch(const caddr_t addr, const uint32_t len) { caddr_t cp; /* Search on 16-byte boundaries. */ for (cp = addr; cp < addr + len; cp += SMBIOS_STEP) if (strncmp(cp, SMBIOS_SIG, 4) == 0 && smbios_checksum(cp, SMBIOS_GET8(cp, 0x05)) == 0 && strncmp(cp + 0x10, SMBIOS_DMI_SIG, 5) == 0 && smbios_checksum(cp + 0x10, 0x0f) == 0) return (cp); return (NULL); } -static void -smbios_setenv(const char *name, caddr_t addr, const int offset) +static const char* +smbios_getstring(caddr_t addr, const int offset) { caddr_t cp; int i, idx; idx = SMBIOS_GET8(addr, offset); if (idx != 0) { cp = SMBIOS_GETSTR(addr); for (i = 1; i < idx; i++) cp += strlen(cp) + 1; - setenv(name, cp, 1); + return cp; } + return (NULL); } +static void +smbios_setenv(const char *name, caddr_t addr, const int offset) +{ + const char* val; + + val = smbios_getstring(addr, offset); + if (val != NULL) + setenv(name, val, 1); +} + #ifdef SMBIOS_SERIAL_NUMBERS #define UUID_SIZE 16 #define UUID_TYPE uint32_t #define UUID_STEP sizeof(UUID_TYPE) #define UUID_ALL_BITS (UUID_SIZE / UUID_STEP) #define UUID_GET(base, off) (*(UUID_TYPE *)((base) + (off))) static void smbios_setuuid(const char *name, const caddr_t addr, const int ver) { char uuid[37]; int byteorder, i, ones, zeros; UUID_TYPE n; uint32_t f1; uint16_t f2, f3; for (i = 0, ones = 0, zeros = 0; i < UUID_SIZE; i += UUID_STEP) { n = UUID_GET(addr, i) + 1; if (zeros == 0 && n == 0) ones++; else if (ones == 0 && n == 1) zeros++; else break; } if (ones != UUID_ALL_BITS && zeros != UUID_ALL_BITS) { /* * 3.3.2.1 System UUID * * "Although RFC 4122 recommends network byte order for all * fields, the PC industry (including the ACPI, UEFI, and * Microsoft specifications) has consistently used * little-endian byte encoding for the first three fields: * time_low, time_mid, time_hi_and_version. The same encoding, * also known as wire format, should also be used for the * SMBIOS representation of the UUID." * * Note: We use network byte order for backward compatibility * unless SMBIOS version is 2.6+ or little-endian is forced. */ #if defined(SMBIOS_LITTLE_ENDIAN_UUID) byteorder = LITTLE_ENDIAN; #elif defined(SMBIOS_NETWORK_ENDIAN_UUID) byteorder = BIG_ENDIAN; #else byteorder = ver < 0x0206 ? BIG_ENDIAN : LITTLE_ENDIAN; #endif if (byteorder != LITTLE_ENDIAN) { f1 = ntohl(SMBIOS_GET32(addr, 0)); f2 = ntohs(SMBIOS_GET16(addr, 4)); f3 = ntohs(SMBIOS_GET16(addr, 6)); } else { f1 = le32toh(SMBIOS_GET32(addr, 0)); f2 = le16toh(SMBIOS_GET16(addr, 4)); f3 = le16toh(SMBIOS_GET16(addr, 6)); } sprintf(uuid, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x", f1, f2, f3, SMBIOS_GET8(addr, 8), SMBIOS_GET8(addr, 9), SMBIOS_GET8(addr, 10), SMBIOS_GET8(addr, 11), SMBIOS_GET8(addr, 12), SMBIOS_GET8(addr, 13), SMBIOS_GET8(addr, 14), SMBIOS_GET8(addr, 15)); setenv(name, uuid, 1); } } #undef UUID_SIZE #undef UUID_TYPE #undef UUID_STEP #undef UUID_ALL_BITS #undef UUID_GET #endif static caddr_t -smbios_parse_table(const caddr_t addr, const int ver) +smbios_parse_table(const caddr_t addr) { caddr_t cp; int proc, size, osize, type; type = SMBIOS_GET8(addr, 0); /* 3.1.2 Structure Header Format */ switch(type) { case 0: /* 3.3.1 BIOS Information (Type 0) */ smbios_setenv("smbios.bios.vendor", addr, 0x04); smbios_setenv("smbios.bios.version", addr, 0x05); smbios_setenv("smbios.bios.reldate", addr, 0x08); break; case 1: /* 3.3.2 System Information (Type 1) */ smbios_setenv("smbios.system.maker", addr, 0x04); smbios_setenv("smbios.system.product", addr, 0x05); smbios_setenv("smbios.system.version", addr, 0x06); #ifdef SMBIOS_SERIAL_NUMBERS smbios_setenv("smbios.system.serial", addr, 0x07); - smbios_setuuid("smbios.system.uuid", addr + 0x08, ver); + smbios_setuuid("smbios.system.uuid", addr + 0x08, smbios.ver); #endif break; case 2: /* 3.3.3 Base Board (or Module) Information (Type 2) */ smbios_setenv("smbios.planar.maker", addr, 0x04); smbios_setenv("smbios.planar.product", addr, 0x05); smbios_setenv("smbios.planar.version", addr, 0x06); #ifdef SMBIOS_SERIAL_NUMBERS smbios_setenv("smbios.planar.serial", addr, 0x07); #endif break; case 3: /* 3.3.4 System Enclosure or Chassis (Type 3) */ smbios_setenv("smbios.chassis.maker", addr, 0x04); smbios_setenv("smbios.chassis.version", addr, 0x06); #ifdef SMBIOS_SERIAL_NUMBERS smbios_setenv("smbios.chassis.serial", addr, 0x07); smbios_setenv("smbios.chassis.tag", addr, 0x08); #endif break; case 4: /* 3.3.5 Processor Information (Type 4) */ /* * Offset 18h: Processor Status * * Bit 7 Reserved, must be 0 * Bit 6 CPU Socket Populated * 1 - CPU Socket Populated * 0 - CPU Socket Unpopulated * Bit 5:3 Reserved, must be zero * Bit 2:0 CPU Status * 0h - Unknown * 1h - CPU Enabled * 2h - CPU Disabled by User via BIOS Setup * 3h - CPU Disabled by BIOS (POST Error) * 4h - CPU is Idle, waiting to be enabled * 5-6h - Reserved * 7h - Other */ proc = SMBIOS_GET8(addr, 0x18); if ((proc & 0x07) == 1) - smbios_enabled_sockets++; + smbios.enabled_sockets++; if ((proc & 0x40) != 0) - smbios_populated_sockets++; + smbios.populated_sockets++; break; case 6: /* 3.3.7 Memory Module Information (Type 6, Obsolete) */ /* * Offset 0Ah: Enabled Size * * Bit 7 Bank connection * 1 - Double-bank connection * 0 - Single-bank connection * Bit 6:0 Size (n), where 2**n is the size in MB * 7Dh - Not determinable (Installed Size only) * 7Eh - Module is installed, but no memory * has been enabled * 7Fh - Not installed */ osize = SMBIOS_GET8(addr, 0x0a) & 0x7f; if (osize > 0 && osize < 22) - smbios_old_enabled_memory += 1 << (osize + 10); + smbios.old_enabled_memory += 1 << (osize + 10); break; case 17: /* 3.3.18 Memory Device (Type 17) */ /* * Offset 0Ch: Size * * Bit 15 Granularity * 1 - Value is in kilobytes units * 0 - Value is in megabytes units * Bit 14:0 Size */ size = SMBIOS_GET16(addr, 0x0c); if (size != 0 && size != 0xffff) - smbios_enabled_memory += (size & 0x8000) != 0 ? + smbios.enabled_memory += (size & 0x8000) != 0 ? (size & 0x7fff) : (size << 10); break; default: /* skip other types */ break; } /* Find structure terminator. */ cp = SMBIOS_GETSTR(addr); while (SMBIOS_GET16(cp, 0) != 0) cp++; return (cp + 2); } -void -smbios_detect(void) +static void +smbios_probe(void) { - char buf[16]; - caddr_t addr, dmi, smbios; - size_t count, length; - uint32_t paddr; - int i, major, minor, ver; + caddr_t saddr, info; + u_int32_t paddr; + if (smbios.probed) + return; + smbios.probed = 1; + /* Search signatures and validate checksums. */ - smbios = smbios_sigsearch(PTOV(SMBIOS_START), SMBIOS_LENGTH); - if (smbios == NULL) + saddr = smbios_sigsearch(PTOV(SMBIOS_START), SMBIOS_LENGTH); + if (saddr == NULL) return; - length = SMBIOS_GET16(smbios, 0x16); /* Structure Table Length */ - paddr = SMBIOS_GET32(smbios, 0x18); /* Structure Table Address */ - count = SMBIOS_GET16(smbios, 0x1c); /* No of SMBIOS Structures */ - ver = SMBIOS_GET8(smbios, 0x1e); /* SMBIOS BCD Revision */ + smbios.length = SMBIOS_GET16(saddr, 0x16); /* Structure Table Length */ + paddr = SMBIOS_GET32(saddr, 0x18); /* Structure Table Address */ + smbios.count = SMBIOS_GET16(saddr, 0x1c); /* No of SMBIOS Structures */ + smbios.ver = SMBIOS_GET8(saddr, 0x1e); /* SMBIOS BCD Revision */ - if (ver != 0) { - major = ver >> 4; - minor = ver & 0x0f; - if (major > 9 || minor > 9) - ver = 0; + if (smbios.ver != 0) { + smbios.major = smbios.ver >> 4; + smbios.minor = smbios.ver & 0x0f; + if (smbios.major > 9 || smbios.minor > 9) + smbios.ver = 0; } - if (ver == 0) { - major = SMBIOS_GET8(smbios, 0x06); /* SMBIOS Major Version */ - minor = SMBIOS_GET8(smbios, 0x07); /* SMBIOS Minor Version */ + if (smbios.ver == 0) { + smbios.major = SMBIOS_GET8(saddr, 0x06);/* SMBIOS Major Version */ + smbios.minor = SMBIOS_GET8(saddr, 0x07);/* SMBIOS Minor Version */ } - ver = (major << 8) | minor; + smbios.ver = (smbios.major << 8) | smbios.minor; + smbios.addr = PTOV(paddr); - addr = PTOV(paddr); - for (dmi = addr, i = 0; dmi < addr + length && i < count; i++) - dmi = smbios_parse_table(dmi, ver); + /* Get system information from SMBIOS */ + info = smbios_find_struct(0x00); + if (info != NULL) { + smbios.bios_vendor = smbios_getstring(info, 0x04); + } + info = smbios_find_struct(0x01); + if (info != NULL) { + smbios.maker = smbios_getstring(info, 0x04); + smbios.product = smbios_getstring(info, 0x05); + } +} - sprintf(buf, "%d.%d", major, minor); +static caddr_t +smbios_find_struct(int type) +{ + caddr_t dmi; + int i; + + if (smbios.addr == NULL) + return (NULL); + + for (dmi = smbios.addr, i = 0; + dmi < smbios.addr + smbios.length && i < smbios.count; i++) { + if (SMBIOS_GET8(dmi, 0) == type) + return dmi; + /* Find structure terminator. */ + dmi = SMBIOS_GETSTR(dmi); + while (SMBIOS_GET16(dmi, 0) != 0) + dmi++; + dmi += 2; + } + + return (NULL); +} + +void +smbios_detect(void) +{ + char buf[16]; + caddr_t dmi; + int i; + + smbios_probe(); + if (smbios.addr == NULL) + return; + + for (dmi = smbios.addr, i = 0; + dmi < smbios.addr + smbios.length && i < smbios.count; i++) + dmi = smbios_parse_table(dmi); + + sprintf(buf, "%d.%d", smbios.major, smbios.minor); setenv("smbios.version", buf, 1); - if (smbios_enabled_memory > 0 || smbios_old_enabled_memory > 0) { - sprintf(buf, "%u", smbios_enabled_memory > 0 ? - smbios_enabled_memory : smbios_old_enabled_memory); + if (smbios.enabled_memory > 0 || smbios.old_enabled_memory > 0) { + sprintf(buf, "%u", smbios.enabled_memory > 0 ? + smbios.enabled_memory : smbios.old_enabled_memory); setenv("smbios.memory.enabled", buf, 1); } - if (smbios_enabled_sockets > 0) { - sprintf(buf, "%u", smbios_enabled_sockets); + if (smbios.enabled_sockets > 0) { + sprintf(buf, "%u", smbios.enabled_sockets); setenv("smbios.socket.enabled", buf, 1); } - if (smbios_populated_sockets > 0) { - sprintf(buf, "%u", smbios_populated_sockets); + if (smbios.populated_sockets > 0) { + sprintf(buf, "%u", smbios.populated_sockets); setenv("smbios.socket.populated", buf, 1); } +} + +static int +smbios_match_str(const char* s1, const char* s2) +{ + return (s1 == NULL || (s2 != NULL && !strcmp(s1, s2))); +} + +int +smbios_match(const char* bios_vendor, const char* maker, + const char* product) +{ + smbios_probe(); + return (smbios_match_str(bios_vendor, smbios.bios_vendor) && + smbios_match_str(maker, smbios.maker) && + smbios_match_str(product, smbios.product)); }