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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] Add code to generate SMBIOS tables to hvmloader.
# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Node ID 0b176f84c3bf1fa3c00b6d64e2d018c6c3499aad
# Parent 5a454f6e320fbc4136a467c262da8d3fa25acf74
Add code to generate SMBIOS tables to hvmloader.
Signed-off-by: Andrew D. Ball <aball@xxxxxxxxxx>
---
tools/firmware/hvmloader/Makefile | 6
tools/firmware/hvmloader/hvmloader.c | 4
tools/firmware/hvmloader/smbios.c | 606 ++++++++++++++++++++++++++++++++
tools/firmware/hvmloader/smbios.h | 38 ++
tools/firmware/hvmloader/smbios_types.h | 182 +++++++++
5 files changed, 832 insertions(+), 4 deletions(-)
diff -r 5a454f6e320f -r 0b176f84c3bf tools/firmware/hvmloader/Makefile
--- a/tools/firmware/hvmloader/Makefile Mon Aug 14 17:29:11 2006 +0100
+++ b/tools/firmware/hvmloader/Makefile Mon Aug 14 17:37:07 2006 +0100
@@ -31,8 +31,6 @@ DEFINES =-DDEBUG
DEFINES =-DDEBUG
XENINC =-I$(XEN_ROOT)/tools/libxc
-OBJECTS = hvmloader.o acpi_madt.o
-
# Disable PIE/SSP if GCC supports them. They can break us.
CFLAGS += $(call test-gcc-flag,$(CC),-nopie)
CFLAGS += $(call test-gcc-flag,$(CC),-fno-stack-protector)
@@ -42,7 +40,7 @@ CFLAGS += $(DEFINES) -I. $(XENINC) -fno
CFLAGS += $(DEFINES) -I. $(XENINC) -fno-builtin -O2 -msoft-float
LDFLAGS = -m32 -nostdlib -Wl,-N -Wl,-Ttext -Wl,$(LOADADDR)
-SRCS = hvmloader.c acpi_madt.c mp_tables.c util.c
+SRCS = hvmloader.c acpi_madt.c mp_tables.c util.c smbios.c
OBJS = $(patsubst %.c,%.o,$(SRCS))
.PHONY: all
@@ -64,5 +62,5 @@ roms.h: ../rombios/BIOS-bochs-latest ../
.PHONY: clean
clean:
rm -f roms.h acpi.h
- rm -f hvmloader hvmloader.tmp hvmloader.o $(OBJECTS)
+ rm -f hvmloader hvmloader.tmp hvmloader.o $(OBJS)
diff -r 5a454f6e320f -r 0b176f84c3bf tools/firmware/hvmloader/hvmloader.c
--- a/tools/firmware/hvmloader/hvmloader.c Mon Aug 14 17:29:11 2006 +0100
+++ b/tools/firmware/hvmloader/hvmloader.c Mon Aug 14 17:37:07 2006 +0100
@@ -25,6 +25,7 @@
#include "../acpi/acpi2_0.h" /* for ACPI_PHYSICAL_ADDRESS */
#include "hypercall.h"
#include "util.h"
+#include "smbios.h"
#include <xen/version.h>
#include <xen/hvm/params.h>
@@ -200,6 +201,9 @@ main(void)
}
}
+ puts("Writing SMBIOS tables ...\n");
+ hvm_write_smbios_tables();
+
if (check_amd()) {
/* AMD implies this is SVM */
puts("SVM go ...\n");
diff -r 5a454f6e320f -r 0b176f84c3bf tools/firmware/hvmloader/smbios.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/firmware/hvmloader/smbios.c Mon Aug 14 17:37:07 2006 +0100
@@ -0,0 +1,606 @@
+/*
+ * smbios.c - Generate SMBIOS tables for Xen HVM domU's.
+ *
+ * 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 <aball@xxxxxxxxxx>
+ */
+
+#include <stdint.h>
+#include <xen/version.h>
+#include <xen/hvm/e820.h>
+#include "smbios.h"
+#include "smbios_types.h"
+#include "util.h"
+#include "hypercall.h"
+
+/* write SMBIOS tables starting at 'start', without writing more
+ than 'max_size' bytes.
+
+ Return the number of bytes written
+*/
+static size_t
+write_smbios_tables(void *start, size_t max_size,
+ uint32_t vcpus, uint64_t memsize,
+ uint8_t uuid[16], char *xen_version,
+ uint32_t xen_major_version, uint32_t xen_minor_version);
+
+static void
+get_cpu_manufacturer(char *buf, int len);
+static size_t
+smbios_table_size(uint32_t vcpus, const char *xen_version,
+ const char *processor_manufacturer);
+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);
+static void *
+smbios_type_0_init(void *start, const char *xen_version,
+ uint32_t xen_major_version, uint32_t xen_minor_version);
+static void *
+smbios_type_1_init(void *start, const char *xen_version,
+ uint8_t uuid[16]);
+static void *
+smbios_type_3_init(void *start);
+static void *
+smbios_type_4_init(void *start, unsigned int cpu_number,
+ char *cpu_manufacturer);
+static void *
+smbios_type_16_init(void *start, uint32_t memory_size_mb);
+static void *
+smbios_type_17_init(void *start, uint32_t memory_size_mb);
+static void *
+smbios_type_19_init(void *start, uint32_t memory_size_mb);
+static void *
+smbios_type_20_init(void *start, uint32_t memory_size_mb);
+static void *
+smbios_type_32_init(void *start);
+void *
+smbios_type_127_init(void *start);
+
+static void
+get_cpu_manufacturer(char *buf, int len)
+{
+ char id[12];
+ uint32_t eax = 0;
+
+ cpuid(0, &eax, (uint32_t *)&id[0], (uint32_t *)&id[8], (uint32_t
*)&id[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);
+}
+
+
+/* Calculate the size of the SMBIOS structure table.
+*/
+static size_t
+smbios_table_size(uint32_t vcpus, const char *xen_version,
+ const char *processor_manufacturer)
+{
+ size_t size;
+
+ /* first compute size without strings or terminating 0 bytes */
+ size = sizeof(struct smbios_type_0) + sizeof(struct smbios_type_1) +
+ sizeof(struct smbios_type_3) + sizeof(struct
smbios_type_4)*vcpus +
+ sizeof(struct smbios_type_16) + sizeof(struct smbios_type_17) +
+ sizeof(struct smbios_type_19) + sizeof(struct smbios_type_20) +
+ sizeof(struct smbios_type_32) + sizeof(struct smbios_type_127);
+
+ /* 5 structures with no strings, 2 null bytes each */
+ size += 10;
+
+ /* Need to include 1 null byte per structure with strings (first
+ terminating null byte comes from the string terminator of the
+ last string). */
+ size += 4 + vcpus;
+
+ /* type 0: "Xen", xen_version, and release_date */
+ size += strlen("Xen") + strlen(xen_version) + 2;
+ /* type 1: "Xen", xen_version, "HVM domU" */
+ size += strlen("Xen") + strlen("HVM domU") + strlen(xen_version) + 3;
+ /* type 3: "Xen" */
+ size += strlen("Xen") + 1;
+ /* type 4: socket designation ("CPU n"), processor_manufacturer */
+ size += vcpus * (strlen("CPU n") + strlen(processor_manufacturer) + 2);
+ /* Make room for two-digit CPU numbers if necessary -- doesn't handle
+ vcpus > 99 */
+ if (vcpus > 9)
+ size += vcpus - 9;
+ /* type 17: device locator string ("DIMM 1") */
+ size += strlen("DIMM 1") + 1;
+
+ return size;
+}
+
+static size_t
+write_smbios_tables(void *start, size_t max_size,
+ uint32_t vcpus, uint64_t memsize,
+ uint8_t uuid[16], char *xen_version,
+ uint32_t xen_major_version, uint32_t xen_minor_version)
+{
+ unsigned cpu_num;
+ void *p = start;
+ char cpu_manufacturer[15];
+ size_t structure_table_length;
+
+ get_cpu_manufacturer(cpu_manufacturer, 15);
+
+
+ structure_table_length = smbios_table_size(vcpus, xen_version,
+ cpu_manufacturer);
+
+ if (structure_table_length + sizeof(struct smbios_entry_point) >
max_size)
+ return 0;
+
+ p = smbios_entry_point_init(p, sizeof(struct smbios_type_4),
+ structure_table_length,
+ (uint32_t)start +
+ sizeof(struct smbios_entry_point),
+ 9 + vcpus);
+
+ p = smbios_type_0_init(p, xen_version, xen_major_version,
+ xen_minor_version);
+ p = smbios_type_1_init(p, xen_version, uuid);
+ p = smbios_type_3_init(p);
+ for (cpu_num = 1; cpu_num <= vcpus; ++cpu_num)
+ p = smbios_type_4_init(p, cpu_num, cpu_manufacturer);
+ p = smbios_type_16_init(p, memsize);
+ p = smbios_type_17_init(p, memsize);
+ p = smbios_type_19_init(p, memsize);
+ p = smbios_type_20_init(p, memsize);
+ p = smbios_type_32_init(p);
+ p = smbios_type_127_init(p);
+
+ return (size_t)((char*)p - (char*)start);
+}
+
+/* This tries to figure out how much pseudo-physical memory (in MB)
+ is allocated to the current domU.
+
+ It iterates through the e820 table, adding up the 'usable' and
+ 'reserved' entries and rounding up to the nearest MB.
+
+ The e820map is not at e820 in hvmloader, so this uses the
+ E820_MAP_* constants from e820.h to pick it up where libxenguest
+ left it.
+ */
+static uint64_t
+get_memsize(void)
+{
+ struct e820entry *map = NULL;
+ uint8_t num_entries = 0;
+ uint64_t memsize = 0;
+ uint8_t i;
+
+ map = (struct e820entry *) (E820_MAP_PAGE + E820_MAP_OFFSET);
+ num_entries = *((uint8_t *) (E820_MAP_PAGE + E820_MAP_NR_OFFSET));
+
+ /* walk through e820map, ignoring any entries that aren't marked
+ as usable or reserved. */
+
+ for (i = 0; i < num_entries; i++) {
+ if (map->type == E820_RAM || map->type == E820_RESERVED)
+ memsize += map->size;
+ map++;
+ }
+
+ /* Round up to the nearest MB. The user specifies domU
+ pseudo-physical memory in megabytes, so not doing this
+ could easily lead to reporting one less MB than the user
+ specified. */
+ if (memsize & ((1<<20)-1))
+ memsize = (memsize >> 20) + 1;
+ else
+ memsize = (memsize >> 20);
+
+ return memsize;
+}
+
+void
+hvm_write_smbios_tables(void)
+{
+ uint8_t uuid[16]; /* ** This will break if xen_domain_handle_t is
+ not uint8_t[16]. ** */
+ uint16_t xen_major_version, xen_minor_version;
+ uint32_t xen_version;
+ char xen_extra_version[XEN_EXTRAVERSION_LEN];
+ /* guess conservatively on buffer length for Xen version string */
+ char xen_version_str[80];
+ /* temporary variables used to build up Xen version string */
+ char *p = NULL; /* points to next point of insertion */
+ unsigned len = 0; /* length of string already composed */
+ char *tmp = NULL; /* holds result of itoa() */
+ unsigned tmp_len; /* length of next string to add */
+
+ hypercall_xen_version(XENVER_guest_handle, uuid);
+
+ /* xen_version major and minor */
+ xen_version = hypercall_xen_version(XENVER_version, NULL);
+ xen_major_version = (uint16_t) (xen_version >> 16);
+ xen_minor_version = (uint16_t) xen_version;
+
+ hypercall_xen_version(XENVER_extraversion, xen_extra_version);
+
+ /* build up human-readable Xen version string */
+ p = xen_version_str;
+ len = 0;
+
+ itoa(tmp, xen_major_version);
+ tmp_len = strlen(tmp);
+ len += tmp_len;
+ if (len >= sizeof(xen_version_str))
+ goto error_out;
+ strcpy(p, tmp);
+ p += tmp_len;
+
+ len++;
+ if (len >= sizeof(xen_version_str))
+ goto error_out;
+ *p = '.';
+ p++;
+
+ itoa(tmp, xen_minor_version);
+ tmp_len = strlen(tmp);
+ len += tmp_len;
+ if (len >= sizeof(xen_version_str))
+ goto error_out;
+ strcpy(p, tmp);
+ p += tmp_len;
+
+ tmp_len = strlen(xen_extra_version);
+ len += tmp_len;
+ if (len >= sizeof(xen_version_str))
+ goto error_out;
+ strcpy(p, xen_extra_version);
+ p += tmp_len;
+
+ xen_version_str[sizeof(xen_version_str)-1] = '\0';
+
+ write_smbios_tables((void *) SMBIOS_PHYSICAL_ADDRESS,
+ SMBIOS_SIZE_LIMIT, get_vcpu_nr(), get_memsize(),
+ uuid, xen_version_str,
+ xen_major_version, xen_minor_version);
+ return;
+
+ error_out:
+ puts("Could not write SMBIOS tables, error in hvmloader.c:"
+ "hvm_write_smbios_tables()\n");
+}
+
+
+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;
+
+ return (char *)start + sizeof(struct smbios_entry_point);
+}
+
+/* Type 0 -- BIOS Information */
+static void *
+smbios_type_0_init(void *start, const char *xen_version,
+ uint32_t xen_major_version, uint32_t xen_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 = 0;
+ 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) xen_major_version;
+ p->minor_release = (uint8_t) xen_minor_version;
+ p->embedded_controller_major = 0xff;
+ p->embedded_controller_minor = 0xff;
+
+ start += sizeof(struct smbios_type_0);
+ strcpy((char *)start, "Xen");
+ start += strlen("Xen") + 1;
+ strcpy((char *)start, xen_version);
+ start += strlen(xen_version) + 1;
+
+ *((uint8_t *)start) = 0;
+ return start + 1;
+}
+
+/* Type 1 -- System Information */
+static void *
+smbios_type_1_init(void *start, const char *xen_version,
+ uint8_t uuid[16])
+{
+ 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 = 0;
+
+ 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, "Xen");
+ start += strlen("Xen") + 1;
+ strcpy((char *)start, "HVM domU");
+ start += strlen("HVM domU") + 1;
+ strcpy((char *)start, xen_version);
+ start += strlen(xen_version) + 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, "Xen");
+ start += strlen("Xen") + 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;
+ uint32_t eax, ebx, ecx, edx;
+
+ 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;
+
+ cpuid(1, &eax, &ebx, &ecx, &edx);
+
+ p->cpuid[0] = eax;
+ p->cpuid[1] = edx;
+
+ 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);
+
+ strncpy(buf, "CPU ", sizeof(buf));
+ if ((sizeof(buf) - strlen("CPU ")) >= 3)
+ itoa(buf + strlen("CPU "), cpu_number);
+
+ strcpy((char *)start, buf);
+ start += strlen(buf) + 1;
+
+ strcpy((char *)start, cpu_manufacturer);
+ start += strlen(buf) + 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 */
+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;
+}
diff -r 5a454f6e320f -r 0b176f84c3bf tools/firmware/hvmloader/smbios.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/firmware/hvmloader/smbios.h Mon Aug 14 17:37:07 2006 +0100
@@ -0,0 +1,38 @@
+/*
+ * smbios.h - interface for Xen HVM SMBIOS generation
+ *
+ * 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 <aball@xxxxxxxxxx>
+ */
+
+#ifndef SMBIOS_H
+#define SMBIOS_H
+
+#include <stdint.h>
+#include <stdlib.h>
+
+/* These constants must agree with the ACPI e820 memory map as defined
+ in tools/libxc/xc_hvm_build.c and the address the ROMBIOS pulls the
+ SMBIOS entry point from in the smbios_init subroutine.
+ */
+#define SMBIOS_PHYSICAL_ADDRESS 0x9f000
+#define SMBIOS_SIZE_LIMIT 0x800
+
+void hvm_write_smbios_tables(void);
+
+#endif /* SMBIOS_H */
diff -r 5a454f6e320f -r 0b176f84c3bf tools/firmware/hvmloader/smbios_types.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/firmware/hvmloader/smbios_types.h Mon Aug 14 17:37:07 2006 +0100
@@ -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 <aball@xxxxxxxxxx>
+ *
+ * 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 */
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