+/* Write a two-character hex representation of 'byte' to digits[].
+ Pre-condition: sizeof(digits) >= 2 */
+void
+byte_to_hex(char *digits, uint8_t byte)
+{
+ uint8_t nybbel = byte >> 4;
+
+ if ( nybbel > 9 )
+ digits[0] = 'a' + nybbel-10;
+ else
+ digits[0] = '0' + nybbel;
+
+ nybbel = byte & 0x0f;
+ if ( nybbel > 9 )
+ digits[1] = 'a' + nybbel-10;
+ else
+ digits[1] = '0' + nybbel;
+}
+
+/* Convert an array of 16 unsigned bytes to a DCE/OSF formatted UUID
+ string.
+
+ Pre-condition: sizeof(dest) >= 37 */
+static void
+uuid_to_string(char *dest, uint8_t *uuid)
+{
+ int i = 0;
+ char *p = dest;
+
+ for ( i = 0; i < 4; i++ )
+ {
+ byte_to_hex(p, uuid[i]);
+ p += 2;
+ }
+ *p++ = '-';
+ for ( i = 4; i < 6; i++ )
+ {
+ byte_to_hex(p, uuid[i]);
+ p += 2;
+ }
+ *p++ = '-';
+ for ( i = 6; i < 8; i++ )
+ {
+ byte_to_hex(p, uuid[i]);
+ p += 2;
+ }
+ *p++ = '-';
+ for ( i = 8; i < 10; i++ )
+ {
+ byte_to_hex(p, uuid[i]);
+ p += 2;
+ }
+ *p++ = '-';
+ for ( i = 10; i < 16; i++ )
+ {
+ byte_to_hex(p, uuid[i]);
+ p += 2;
+ }
+ *p = '\0';
+}
+
+static void
+smbios_entry_point_init(void *start,
+ uint16_t max_structure_size,
+ uint16_t structure_table_length,
+ uint32_t structure_table_address,
+ uint16_t number_of_structures)
+{
+ uint8_t sum;
+ int i;
+ struct smbios_entry_point *ep = (struct smbios_entry_point *)start;
+
+ strncpy(ep->anchor_string, "_SM_", 4);
+ ep->length = 0x1f;
+ ep->smbios_major_version = 2;
+ ep->smbios_minor_version = 4;
+ ep->max_structure_size = max_structure_size;
+ ep->entry_point_revision = 0;
+ memset(ep->formatted_area, 0, 5);
+ strncpy(ep->intermediate_anchor_string, "_DMI_", 5);
+
+ ep->structure_table_length = structure_table_length;
+ ep->structure_table_address = structure_table_address;
+ ep->number_of_structures = number_of_structures;
+ ep->smbios_bcd_revision = 0x24;
+
+ ep->checksum = 0;
+ ep->intermediate_checksum = 0;
+
+ sum = 0;
+ for ( i = 0; i < 0x10; i++ )
+ sum += ((int8_t *)start)[i];
+ ep->checksum = -sum;
+
+ sum = 0;
+ for ( i = 0x10; i < ep->length; i++ )
+ sum += ((int8_t *)start)[i];
+ ep->intermediate_checksum = -sum;
+}
+
+/* Type 0 -- BIOS Information */
+#define RELEASE_DATE_STR "01/01/2007"
+static void *
+smbios_type_0_init(void *start, const char *version,
+ uint32_t major_version, uint32_t minor_version)
+{
+ struct smbios_type_0 *p = (struct smbios_type_0 *)start;
+
+ p->header.type = 0;
+ p->header.length = sizeof(struct smbios_type_0);
+ p->header.handle = 0;
+
+ p->vendor_str = 1;
+ p->version_str = 2;
+ p->starting_address_segment = 0xe800;
+ p->release_date_str = 3;
+ p->rom_size = 0;
+
+ memset(p->characteristics, 0, 8);
+ p->characteristics[7] = 0x08; /* BIOS characteristics not supported */
+ p->characteristics_extension_bytes[0] = 0;
+ p->characteristics_extension_bytes[1] = 0;
+
+ p->major_release = (uint8_t) major_version;
+ p->minor_release = (uint8_t) minor_version;
+ p->embedded_controller_major = 0xff;
+ p->embedded_controller_minor = 0xff;
+
+ /* copy in vendor string */
+ start += sizeof(struct smbios_type_0);
+ strcpy((char *)start, "QEMU");
+
+ /* copy in version string */
+ start += strlen("QEMU") + 1;
+ strcpy((char *)start, version);
+
+ /* copy in release date string */
+ start += strlen(version) + 1;
+ strcpy((char *)start, RELEASE_DATE_STR);
+ start += strlen(RELEASE_DATE_STR) +1;
+
+ *((uint8_t *)start) = 0;
+ return start + 1;
+}
+
+/* Type 1 -- System Information */
+static void *
+smbios_type_1_init(void *start, const char *version,
+ uint8_t uuid[16])
+{
+ char uuid_str[37];
+ struct smbios_type_1 *p = (struct smbios_type_1 *)start;
+ p->header.type = 1;
+ p->header.length = sizeof(struct smbios_type_1);
+ p->header.handle = 0x100;
+
+ p->manufacturer_str = 1;
+ p->product_name_str = 2;
+ p->version_str = 3;
+ p->serial_number_str = 4;
+
+ memcpy(p->uuid, uuid, 16);
+
+ p->wake_up_type = 0x06; /* power switch */
+ p->sku_str = 0;
+ p->family_str = 0;
+
+ start += sizeof(struct smbios_type_1);
+
+ strcpy((char *)start, "QEMU");
+ start += strlen("QEMU") + 1;
+ strcpy((char *)start, "QEMU");
+ start += strlen("QEMU") + 1;
+ strcpy((char *)start, version);
+ start += strlen(version) + 1;
+ uuid_to_string(uuid_str, uuid);
+ strcpy((char *)start, uuid_str);
+ start += strlen(uuid_str) + 1;
+ *((uint8_t *)start) = 0;
+
+ return start+1;
+}
+
+/* Type 3 -- System Enclosure */
+static void *
+smbios_type_3_init(void *start)
+{
+ struct smbios_type_3 *p = (struct smbios_type_3 *)start;
+
+ p->header.type = 3;
+ p->header.length = sizeof(struct smbios_type_3);
+ p->header.handle = 0x300;
+
+ p->manufacturer_str = 1;
+ p->type = 0x01; /* other */
+ p->version_str = 0;
+ p->serial_number_str = 0;
+ p->asset_tag_str = 0;
+ p->boot_up_state = 0x03; /* safe */
+ p->power_supply_state = 0x03; /* safe */
+ p->thermal_state = 0x03; /* safe */
+ p->security_status = 0x02; /* unknown */
+
+ start += sizeof(struct smbios_type_3);
+
+ strcpy((char *)start, "QEMU");
+ start += strlen("QEMU") + 1;
+ *((uint8_t *)start) = 0;
+ return start+1;
+}
+
+/* Type 4 -- Processor Information */
+static void *
+smbios_type_4_init(void *start, unsigned int cpu_number, char
*cpu_manufacturer)
+{
+ char buf[80];
+ struct smbios_type_4 *p = (struct smbios_type_4 *)start;
+ CPUState *env = first_cpu;
+
+ p->header.type = 4;
+ p->header.length = sizeof(struct smbios_type_4);
+ p->header.handle = 0x400 + cpu_number;
+
+ p->socket_designation_str = 1;
+ p->processor_type = 0x03; /* CPU */
+ p->processor_family = 0x01; /* other */
+ p->manufacturer_str = 2;
+
+ p->cpuid[0] = env->cpuid_version;
+ p->cpuid[1] = env->cpuid_features;
+
+ p->version_str = 0;
+ p->voltage = 0;
+ p->external_clock = 0;
+
+ p->max_speed = 0; /* unknown */
+ p->current_speed = 0; /* unknown */
+
+ p->status = 0x41; /* socket populated, CPU enabled */
+ p->upgrade = 0x01; /* other */
+
+ start += sizeof(struct smbios_type_4);
+
+ /* NB: supports up to 255 cpus */
+ strncpy(buf, "CPU ", sizeof(buf));
+ if ( (sizeof(buf) - strlen("CPU ")) >= 3 )
+ snprintf(buf + strlen("CPU "), 4, "%d", cpu_number);
+
+ strcpy((char *)start, buf);
+ start += strlen(buf) + 1;
+
+ strcpy((char *)start, cpu_manufacturer);
+ start += strlen(cpu_manufacturer) + 1;
+
+ *((uint8_t *)start) = 0;
+ return start+1;
+}
+
+/* Type 16 -- Physical Memory Array */
+static void *
+smbios_type_16_init(void *start, uint32_t memsize)
+{
+ struct smbios_type_16 *p = (struct smbios_type_16*)start;
+
+ p->header.type = 16;
+ p->header.handle = 0x1000;
+ p->header.length = sizeof(struct smbios_type_16);
+
+ p->location = 0x01; /* other */
+ p->use = 0x03; /* system memory */
+ p->error_correction = 0x01; /* other */
+ p->maximum_capacity = memsize * 1024;
+ p->memory_error_information_handle = 0xfffe; /* none provided */
+ p->number_of_memory_devices = 1;
+
+ start += sizeof(struct smbios_type_16);
+ *((uint16_t *)start) = 0;
+ return start + 2;
+}
+
+/* Type 17 -- Memory Device */
+static void *
+smbios_type_17_init(void *start, uint32_t memory_size_mb)
+{
+ struct smbios_type_17 *p = (struct smbios_type_17 *)start;
+
+ p->header.type = 17;
+ p->header.length = sizeof(struct smbios_type_17);
+ p->header.handle = 0x1100;
+
+ p->physical_memory_array_handle = 0x1000;
+ p->total_width = 64;
+ p->data_width = 64;
+ /* truncate memory_size_mb to 16 bits and clear most significant
+ bit [indicates size in MB] */
+ p->size = (uint16_t) memory_size_mb & 0x7fff;
+ p->form_factor = 0x09; /* DIMM */
+ p->device_set = 0;
+ p->device_locator_str = 1;
+ p->bank_locator_str = 0;
+ p->memory_type = 0x07; /* RAM */
+ p->type_detail = 0;
+
+ start += sizeof(struct smbios_type_17);
+ strcpy((char *)start, "DIMM 1");
+ start += strlen("DIMM 1") + 1;
+ *((uint8_t *)start) = 0;
+
+ return start+1;
+}
+
+/* Type 19 -- Memory Array Mapped Address */
+static void *
+smbios_type_19_init(void *start, uint32_t memory_size_mb)
+{
+ struct smbios_type_19 *p = (struct smbios_type_19 *)start;
+
+ p->header.type = 19;
+ p->header.length = sizeof(struct smbios_type_19);
+ p->header.handle = 0x1300;
+
+ p->starting_address = 0;
+ p->ending_address = (memory_size_mb-1) * 1024;
+ p->memory_array_handle = 0x1000;
+ p->partition_width = 1;
+
+ start += sizeof(struct smbios_type_19);
+ *((uint16_t *)start) = 0;
+ return start + 2;
+}
+
+/* Type 20 -- Memory Device Mapped Address */
+static void *
+smbios_type_20_init(void *start, uint32_t memory_size_mb)
+{
+ struct smbios_type_20 *p = (struct smbios_type_20 *)start;
+
+ p->header.type = 20;
+ p->header.length = sizeof(struct smbios_type_20);
+ p->header.handle = 0x1400;
+
+ p->starting_address = 0;
+ p->ending_address = (memory_size_mb-1) * 1024;
+ p->memory_device_handle = 0x1100;
+ p->memory_array_mapped_address_handle = 0x1300;
+ p->partition_row_position = 1;
+ p->interleave_position = 0;
+ p->interleaved_data_depth = 0;
+
+ start += sizeof(struct smbios_type_20);
+
+ *((uint16_t *)start) = 0;
+ return start+2;
+}
+
+/* Type 32 -- System Boot Information */
+static void *
+smbios_type_32_init(void *start)
+{
+ struct smbios_type_32 *p = (struct smbios_type_32 *)start;
+
+ p->header.type = 32;
+ p->header.length = sizeof(struct smbios_type_32);
+ p->header.handle = 0x2000;
+ memset(p->reserved, 0, 6);
+ p->boot_status = 0; /* no errors detected */
+
+ start += sizeof(struct smbios_type_32);
+ *((uint16_t *)start) = 0;
+ return start+2;
+}
+
+/* Type 127 -- End of Table */
+static void *
+smbios_type_127_init(void *start)
+{
+ struct smbios_type_127 *p = (struct smbios_type_127 *)start;
+
+ p->header.type = 127;
+ p->header.length = sizeof(struct smbios_type_127);
+ p->header.handle = 0x7f00;
+
+ start += sizeof(struct smbios_type_127);
+ *((uint16_t *)start) = 0;
+ return start + 2;
+}
+
+static void
+get_cpu_manufacturer(char *buf, int len)
+{
+ char id[12];
+ CPUState *env = first_cpu;
+
+ /* load id with cpuid(0) call */
+ memcpy(id, &(env->cpuid_vendor1), 4);
+ memcpy(id+4, &(env->cpuid_vendor2), 4);
+ memcpy(id+8, &(env->cpuid_vendor3), 4);
+
+ if (memcmp(id, "GenuineIntel", 12) == 0)
+ strncpy(buf, "Intel", len);
+ else if (memcmp(id, "AuthenticAMD", 12) == 0)
+ strncpy(buf, "AMD", len);
+ else
+ strncpy(buf, "unknown", len);
+}
+
+static int
+write_smbios_tables(uint8_t *entry, uint8_t *tables,
+ uint32_t table_phys_start,
+ uint32_t vcpus, uint64_t memsize,
+ uint8_t uuid[16], const char *version,
+ uint32_t major_version, uint32_t minor_version)
+{
+ unsigned cpu_num, nr_structs = 0, max_struct_size = 0;
+ char *p, *q;
+ char cpu_manufacturer[15];
+
+ get_cpu_manufacturer(cpu_manufacturer, 15);
+
+ p = tables;
+
+#define do_struct(fn) do { \
+ q = (fn); \
+ nr_structs++; \
+ if ( (q - p) > max_struct_size ) \
+ max_struct_size = q - p; \
+ p = q; \
+} while (0)
+
+ do_struct(smbios_type_0_init(p, version, major_version,
+ minor_version));
+ do_struct(smbios_type_1_init(p, version, uuid));
+ do_struct(smbios_type_3_init(p));
+ for ( cpu_num = 1; cpu_num <= vcpus; cpu_num++ )
+ do_struct(smbios_type_4_init(p, cpu_num, cpu_manufacturer));
+ do_struct(smbios_type_16_init(p, memsize));
+ do_struct(smbios_type_17_init(p, memsize));
+ do_struct(smbios_type_19_init(p, memsize));
+ do_struct(smbios_type_20_init(p, memsize));
+ do_struct(smbios_type_32_init(p));
+ do_struct(smbios_type_127_init(p));
+
+#undef do_struct
+
+ smbios_entry_point_init(entry, max_struct_size,
+ (p - (char *)tables),
+ table_phys_start, nr_structs);
+
+ return ((char *)p - (char *)tables);
+}
+
+/* entry point */
+int
+load_smbios_tables(uint8_t *entry, uint8_t *table, uint32_t phys_table_start)
+{
+ int len;
+ uint32_t major_version = 0;
+ uint32_t minor_version = 9;
+ uuid_t uuid;
+
+ uuid_generate(uuid);
+
+ len = write_smbios_tables(entry, table, phys_table_start,
+ smp_cpus, (ram_size >> 20),
+ uuid, QEMU_VERSION,
+ major_version, minor_version);
+
+ if (len > SMBIOS_MAXIMUM_SIZE) {
+ fprintf(stderr, "SMBIOS: Could not write SMBIOS tables\n");
+ return -1;
+ }
+
+ return len;
+}
+
+/*
+ * Local variables:
+ * mode: C
+ * c-set-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff -r 25082b761acb -r 37bf559ffcf7 smbios_types.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/smbios_types.h Fri Dec 07 14:22:02 2007 -0600
@@ -0,0 +1,182 @@
+/*
+ * smbios_types.h - data structure definitions for Xen HVM SMBIOS support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) IBM Corporation, 2006
+ *
+ * Authors: Andrew D. Ball <address@hidden>
+ *
+ * See the SMBIOS 2.4 spec for more detail:
+ * http://www.dmtf.org/standards/smbios/
+ */
+
+#ifndef SMBIOS_TYPES_H
+#define SMBIOS_TYPES_H
+
+#include <stdint.h>
+
+/* SMBIOS entry point -- must be written to a 16-bit aligned address
+ between 0xf0000 and 0xfffff.
+ */
+struct smbios_entry_point {
+ char anchor_string[4];
+ uint8_t checksum;
+ uint8_t length;
+ uint8_t smbios_major_version;
+ uint8_t smbios_minor_version;
+ uint16_t max_structure_size;
+ uint8_t entry_point_revision;
+ uint8_t formatted_area[5];
+ char intermediate_anchor_string[5];
+ uint8_t intermediate_checksum;
+ uint16_t structure_table_length;
+ uint32_t structure_table_address;
+ uint16_t number_of_structures;
+ uint8_t smbios_bcd_revision;
+} __attribute__ ((packed));
+
+/* This goes at the beginning of every SMBIOS structure. */
+struct smbios_structure_header {
+ uint8_t type;
+ uint8_t length;
+ uint16_t handle;
+} __attribute__ ((packed));
+
+/* SMBIOS type 0 - BIOS Information */
+struct smbios_type_0 {
+ struct smbios_structure_header header;
+ uint8_t vendor_str;
+ uint8_t version_str;
+ uint16_t starting_address_segment;
+ uint8_t release_date_str;
+ uint8_t rom_size;
+ uint8_t characteristics[8];
+ uint8_t characteristics_extension_bytes[2];
+ uint8_t major_release;
+ uint8_t minor_release;
+ uint8_t embedded_controller_major;
+ uint8_t embedded_controller_minor;
+} __attribute__ ((packed));
+
+/* SMBIOS type 1 - System Information */
+struct smbios_type_1 {
+ struct smbios_structure_header header;
+ uint8_t manufacturer_str;
+ uint8_t product_name_str;
+ uint8_t version_str;
+ uint8_t serial_number_str;
+ uint8_t uuid[16];
+ uint8_t wake_up_type;
+ uint8_t sku_str;
+ uint8_t family_str;
+} __attribute__ ((packed));
+
+/* SMBIOS type 3 - System Enclosure */
+struct smbios_type_3 {
+ struct smbios_structure_header header;
+ uint8_t manufacturer_str;
+ uint8_t type;
+ uint8_t version_str;
+ uint8_t serial_number_str;
+ uint8_t asset_tag_str;
+ uint8_t boot_up_state;
+ uint8_t power_supply_state;
+ uint8_t thermal_state;
+ uint8_t security_status;
+} __attribute__ ((packed));
+
+/* SMBIOS type 4 - Processor Information */
+struct smbios_type_4 {
+ struct smbios_structure_header header;
+ uint8_t socket_designation_str;
+ uint8_t processor_type;
+ uint8_t processor_family;
+ uint8_t manufacturer_str;
+ uint32_t cpuid[2];
+ uint8_t version_str;
+ uint8_t voltage;
+ uint16_t external_clock;
+ uint16_t max_speed;
+ uint16_t current_speed;
+ uint8_t status;
+ uint8_t upgrade;
+} __attribute__ ((packed));
+
+/* SMBIOS type 16 - Physical Memory Array
+ * Associated with one type 17 (Memory Device).
+ */
+struct smbios_type_16 {
+ struct smbios_structure_header header;
+ uint8_t location;
+ uint8_t use;
+ uint8_t error_correction;
+ uint32_t maximum_capacity;
+ uint16_t memory_error_information_handle;
+ uint16_t number_of_memory_devices;
+} __attribute__ ((packed));
+
+/* SMBIOS type 17 - Memory Device
+ * Associated with one type 19
+ */
+struct smbios_type_17 {
+ struct smbios_structure_header header;
+ uint16_t physical_memory_array_handle;
+ uint16_t memory_error_information_handle;
+ uint16_t total_width;
+ uint16_t data_width;
+ uint16_t size;
+ uint8_t form_factor;
+ uint8_t device_set;
+ uint8_t device_locator_str;
+ uint8_t bank_locator_str;
+ uint8_t memory_type;
+ uint16_t type_detail;
+} __attribute__ ((packed));
+
+/* SMBIOS type 19 - Memory Array Mapped Address */
+struct smbios_type_19 {
+ struct smbios_structure_header header;
+ uint32_t starting_address;
+ uint32_t ending_address;
+ uint16_t memory_array_handle;
+ uint8_t partition_width;
+} __attribute__ ((packed));
+
+/* SMBIOS type 20 - Memory Device Mapped Address */
+struct smbios_type_20 {
+ struct smbios_structure_header header;
+ uint32_t starting_address;
+ uint32_t ending_address;
+ uint16_t memory_device_handle;
+ uint16_t memory_array_mapped_address_handle;
+ uint8_t partition_row_position;
+ uint8_t interleave_position;
+ uint8_t interleaved_data_depth;
+} __attribute__ ((packed));
+
+/* SMBIOS type 32 - System Boot Information */
+struct smbios_type_32 {
+ struct smbios_structure_header header;
+ uint8_t reserved[6];
+ uint8_t boot_status;
+} __attribute__ ((packed));
+
+/* SMBIOS type 127 -- End-of-table */
+struct smbios_type_127 {
+ struct smbios_structure_header header;
+} __attribute__ ((packed));
+
+#endif /* SMBIOS_TYPES_H */
diff -r 25082b761acb -r 37bf559ffcf7 sysemu.h
--- a/sysemu.h Wed Dec 05 03:23:38 2007 +0000
+++ b/sysemu.h Fri Dec 07 14:22:02 2007 -0600
@@ -116,6 +116,10 @@ extern unsigned int nb_prom_envs;
#define BIOS_SIZE (4 * 1024 * 1024)
#endif
+#define SMBIOS_MAXIMUM_SIZE (32 << 10)
+int load_smbios_tables(uint8_t *entry, uint8_t *table,
+ uint32_t phys_table_start);
+
typedef enum {
IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD
} BlockInterfaceType;
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