[Xen-devel] [PATCH] HVM SMBIOS v3 [4/5]

["Andrew D. Ball" <aball@xxxxxxxxxx>]

[HVM] Add code to generate SMBIOS tables to hvmloader.

Signed-off-by: Andrew D. Ball <aball@xxxxxxxxxx>

diff -r 92402d267e87 -r 6be6de068539 tools/firmware/hvmloader/Makefile
--- a/tools/firmware/hvmloader/Makefile Mon Aug 14 11:26:45 2006 -0400
+++ b/tools/firmware/hvmloader/Makefile Mon Aug 14 11:37:04 2006 -0400
@@ -31,7 +31,7 @@ DEFINES  =-DDEBUG
 DEFINES  =-DDEBUG
 XENINC   =-I$(XEN_ROOT)/tools/libxc
 
-OBJECTS         = hvmloader.o acpi_madt.o 
+OBJECTS         = hvmloader.o acpi_madt.o smbios.o
 
 # Disable PIE/SSP if GCC supports them. They can break us.
 CFLAGS  += $(call test-gcc-flag,$(CC),-nopie)
@@ -42,7 +42,7 @@ 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
diff -r 92402d267e87 -r 6be6de068539 tools/firmware/hvmloader/hvmloader.c
--- a/tools/firmware/hvmloader/hvmloader.c      Mon Aug 14 11:26:45 2006 -0400
+++ b/tools/firmware/hvmloader/hvmloader.c      Mon Aug 14 11:37:04 2006 -0400
@@ -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 92402d267e87 -r 6be6de068539 tools/firmware/hvmloader/smbios.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/firmware/hvmloader/smbios.c Mon Aug 14 11:37:04 2006 -0400
@@ -0,0 +1,617 @@
+/*
+ * 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/xen.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;
+}
+
+/*
+ * Local variables:
+ * mode: C
+ * c-set-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff -r 92402d267e87 -r 6be6de068539 tools/firmware/hvmloader/smbios.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/firmware/hvmloader/smbios.h Mon Aug 14 11:37:04 2006 -0400
@@ -0,0 +1,48 @@
+/*
+ * 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 */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-set-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff -r 92402d267e87 -r 6be6de068539 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 11:37:04 2006 -0400
@@ -0,0 +1,192 @@
+/*
+ * 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 */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-set-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */



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