blob: ad0d0c45a6b7b2a128f6adad33a4e33f7f425263 [file] [log] [blame]
// smbios table generation (on emulators)
//
// Copyright (C) 2008,2009 Kevin O'Connor <kevin@koconnor.net>
// Copyright (C) 2006 Fabrice Bellard
//
// This file may be distributed under the terms of the GNU LGPLv3 license.
#include "util.h" // dprintf
#include "biosvar.h" // GET_EBDA
#include "paravirt.h"
/****************************************************************
* smbios tables
****************************************************************/
/* SMBIOS entry point -- must be written to a 16-bit aligned address
between 0xf0000 and 0xfffff.
*/
struct smbios_entry_point {
char anchor_string[4];
u8 checksum;
u8 length;
u8 smbios_major_version;
u8 smbios_minor_version;
u16 max_structure_size;
u8 entry_point_revision;
u8 formatted_area[5];
char intermediate_anchor_string[5];
u8 intermediate_checksum;
u16 structure_table_length;
u32 structure_table_address;
u16 number_of_structures;
u8 smbios_bcd_revision;
} PACKED;
/* This goes at the beginning of every SMBIOS structure. */
struct smbios_structure_header {
u8 type;
u8 length;
u16 handle;
} PACKED;
/* SMBIOS type 0 - BIOS Information */
struct smbios_type_0 {
struct smbios_structure_header header;
u8 vendor_str;
u8 bios_version_str;
u16 bios_starting_address_segment;
u8 bios_release_date_str;
u8 bios_rom_size;
u8 bios_characteristics[8];
u8 bios_characteristics_extension_bytes[2];
u8 system_bios_major_release;
u8 system_bios_minor_release;
u8 embedded_controller_major_release;
u8 embedded_controller_minor_release;
} PACKED;
/* SMBIOS type 1 - System Information */
struct smbios_type_1 {
struct smbios_structure_header header;
u8 manufacturer_str;
u8 product_name_str;
u8 version_str;
u8 serial_number_str;
u8 uuid[16];
u8 wake_up_type;
u8 sku_number_str;
u8 family_str;
} PACKED;
/* SMBIOS type 3 - System Enclosure (v2.3) */
struct smbios_type_3 {
struct smbios_structure_header header;
u8 manufacturer_str;
u8 type;
u8 version_str;
u8 serial_number_str;
u8 asset_tag_number_str;
u8 boot_up_state;
u8 power_supply_state;
u8 thermal_state;
u8 security_status;
u32 oem_defined;
u8 height;
u8 number_of_power_cords;
u8 contained_element_count;
// contained elements follow
} PACKED;
/* SMBIOS type 4 - Processor Information (v2.0) */
struct smbios_type_4 {
struct smbios_structure_header header;
u8 socket_designation_str;
u8 processor_type;
u8 processor_family;
u8 processor_manufacturer_str;
u32 processor_id[2];
u8 processor_version_str;
u8 voltage;
u16 external_clock;
u16 max_speed;
u16 current_speed;
u8 status;
u8 processor_upgrade;
u16 l1_cache_handle;
u16 l2_cache_handle;
u16 l3_cache_handle;
} PACKED;
/* SMBIOS type 16 - Physical Memory Array
* Associated with one type 17 (Memory Device).
*/
struct smbios_type_16 {
struct smbios_structure_header header;
u8 location;
u8 use;
u8 error_correction;
u32 maximum_capacity;
u16 memory_error_information_handle;
u16 number_of_memory_devices;
} PACKED;
/* SMBIOS type 17 - Memory Device
* Associated with one type 19
*/
struct smbios_type_17 {
struct smbios_structure_header header;
u16 physical_memory_array_handle;
u16 memory_error_information_handle;
u16 total_width;
u16 data_width;
u16 size;
u8 form_factor;
u8 device_set;
u8 device_locator_str;
u8 bank_locator_str;
u8 memory_type;
u16 type_detail;
} PACKED;
/* SMBIOS type 19 - Memory Array Mapped Address */
struct smbios_type_19 {
struct smbios_structure_header header;
u32 starting_address;
u32 ending_address;
u16 memory_array_handle;
u8 partition_width;
} PACKED;
/* SMBIOS type 20 - Memory Device Mapped Address */
struct smbios_type_20 {
struct smbios_structure_header header;
u32 starting_address;
u32 ending_address;
u16 memory_device_handle;
u16 memory_array_mapped_address_handle;
u8 partition_row_position;
u8 interleave_position;
u8 interleaved_data_depth;
} PACKED;
/* SMBIOS type 32 - System Boot Information */
struct smbios_type_32 {
struct smbios_structure_header header;
u8 reserved[6];
u8 boot_status;
} PACKED;
/* SMBIOS type 127 -- End-of-table */
struct smbios_type_127 {
struct smbios_structure_header header;
} PACKED;
/****************************************************************
* smbios init
****************************************************************/
static void
smbios_entry_point_init(u16 max_structure_size,
u16 structure_table_length,
void *structure_table_address,
u16 number_of_structures)
{
struct smbios_entry_point *ep = malloc_fseg(sizeof(*ep));
if (! ep) {
dprintf(1, "No space for smbios entry table!\n");
return;
}
memcpy(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);
memcpy(ep->intermediate_anchor_string, "_DMI_", 5);
ep->structure_table_length = structure_table_length;
ep->structure_table_address = (u32)structure_table_address;
ep->number_of_structures = number_of_structures;
ep->smbios_bcd_revision = 0x24;
ep->checksum -= checksum(ep, 0x10);
ep->intermediate_checksum -= checksum((void*)ep + 0x10, ep->length - 0x10);
dprintf(1, "SMBIOS ptr=%p table=%p\n", ep, structure_table_address);
}
#define load_str_field_with_default(type, field, def) \
do { \
size = qemu_cfg_smbios_load_field(type, \
offsetof(struct smbios_type_##type, \
field), end); \
if (size > 0) { \
end += size; \
} else { \
memcpy(end, def, sizeof(def)); \
end += sizeof(def); \
} \
p->field = ++str_index; \
} while (0)
#define load_str_field_or_skip(type, field) \
do { \
size = qemu_cfg_smbios_load_field(type, \
offsetof(struct smbios_type_##type, \
field), end); \
if (size > 0) { \
end += size; \
p->field = ++str_index; \
} else { \
p->field = 0; \
} \
} while (0)
/* Type 0 -- BIOS Information */
#define RELEASE_DATE_STR "01/01/2007"
static void *
smbios_init_type_0(void *start)
{
struct smbios_type_0 *p = (struct smbios_type_0 *)start;
char *end = (char *)start + sizeof(struct smbios_type_0);
size_t size;
int str_index = 0;
p->header.type = 0;
p->header.length = sizeof(struct smbios_type_0);
p->header.handle = 0;
load_str_field_with_default(0, vendor_str, CONFIG_APPNAME);
load_str_field_with_default(0, bios_version_str, CONFIG_APPNAME);
p->bios_starting_address_segment = 0xe800;
load_str_field_with_default(0, bios_release_date_str, RELEASE_DATE_STR);
p->bios_rom_size = 0; /* FIXME */
memset(p->bios_characteristics, 0, 8);
p->bios_characteristics[0] = 0x08; /* BIOS characteristics not supported */
p->bios_characteristics_extension_bytes[0] = 0;
p->bios_characteristics_extension_bytes[1] = 0;
if (!qemu_cfg_smbios_load_field(0, offsetof(struct smbios_type_0,
system_bios_major_release),
&p->system_bios_major_release))
p->system_bios_major_release = 1;
if (!qemu_cfg_smbios_load_field(0, offsetof(struct smbios_type_0,
system_bios_minor_release),
&p->system_bios_minor_release))
p->system_bios_minor_release = 0;
p->embedded_controller_major_release = 0xff;
p->embedded_controller_minor_release = 0xff;
*end = 0;
end++;
return end;
}
/* Type 1 -- System Information */
static void *
smbios_init_type_1(void *start)
{
struct smbios_type_1 *p = (struct smbios_type_1 *)start;
char *end = (char *)start + sizeof(struct smbios_type_1);
size_t size;
int str_index = 0;
p->header.type = 1;
p->header.length = sizeof(struct smbios_type_1);
p->header.handle = 0x100;
load_str_field_or_skip(1, manufacturer_str);
load_str_field_or_skip(1, product_name_str);
load_str_field_or_skip(1, version_str);
load_str_field_or_skip(1, serial_number_str);
size = qemu_cfg_smbios_load_field(1, offsetof(struct smbios_type_1,
uuid), &p->uuid);
if (size == 0)
memset(p->uuid, 0, 16);
p->wake_up_type = 0x06; /* power switch */
load_str_field_or_skip(1, sku_number_str);
load_str_field_or_skip(1, family_str);
*end = 0;
end++;
if (!str_index) {
*end = 0;
end++;
}
return end;
}
/* Type 3 -- System Enclosure */
static void *
smbios_init_type_3(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 = 0;
p->type = 0x01; /* other */
p->version_str = 0;
p->serial_number_str = 0;
p->asset_tag_number_str = 0;
p->boot_up_state = 0x03; /* safe */
p->power_supply_state = 0x03; /* safe */
p->thermal_state = 0x03; /* safe */
p->security_status = 0x02; /* unknown */
p->oem_defined = 0;
p->height = 0;
p->number_of_power_cords = 0;
p->contained_element_count = 0;
start += sizeof(struct smbios_type_3);
*((u16 *)start) = 0;
return start+2;
}
/* Type 4 -- Processor Information */
static void *
smbios_init_type_4(void *start, unsigned int cpu_number)
{
struct smbios_type_4 *p = (struct smbios_type_4 *)start;
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->processor_manufacturer_str = 0;
u32 cpuid_signature, ebx, ecx, cpuid_features;
cpuid(1, &cpuid_signature, &ebx, &ecx, &cpuid_features);
p->processor_id[0] = cpuid_signature;
p->processor_id[1] = cpuid_features;
p->processor_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->processor_upgrade = 0x01; /* other */
p->l1_cache_handle = 0xffff; /* cache information structure not provided */
p->l2_cache_handle = 0xffff;
p->l3_cache_handle = 0xffff;
start += sizeof(struct smbios_type_4);
memcpy((char *)start, "CPU " "\0" "" "\0" "", 7);
((char *)start)[4] = cpu_number + '0';
return start+7;
}
/* Type 16 -- Physical Memory Array */
static void *
smbios_init_type_16(void *start, u32 memory_size_mb, int nr_mem_devs)
{
struct smbios_type_16 *p = (struct smbios_type_16*)start;
p->header.type = 16;
p->header.length = sizeof(struct smbios_type_16);
p->header.handle = 0x1000;
p->location = 0x01; /* other */
p->use = 0x03; /* system memory */
p->error_correction = 0x01; /* other */
p->maximum_capacity = memory_size_mb * 1024;
p->memory_error_information_handle = 0xfffe; /* none provided */
p->number_of_memory_devices = nr_mem_devs;
start += sizeof(struct smbios_type_16);
*((u16 *)start) = 0;
return start + 2;
}
/* Type 17 -- Memory Device */
static void *
smbios_init_type_17(void *start, u32 memory_size_mb, int instance)
{
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 + instance;
p->physical_memory_array_handle = 0x1000;
p->total_width = 64;
p->data_width = 64;
/* TODO: should assert in case something is wrong ASSERT((memory_size_mb & ~0x7fff) == 0); */
p->size = memory_size_mb;
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);
memcpy((char *)start, "DIMM 0", 7);
((char*)start)[5] += instance;
start += 7;
*((u8 *)start) = 0;
return start+1;
}
/* Type 19 -- Memory Array Mapped Address */
static void *
smbios_init_type_19(void *start, u32 memory_size_mb, int instance)
{
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 + instance;
p->starting_address = instance << 24;
p->ending_address = p->starting_address + (memory_size_mb << 10) - 1;
p->memory_array_handle = 0x1000;
p->partition_width = 1;
start += sizeof(struct smbios_type_19);
*((u16 *)start) = 0;
return start + 2;
}
/* Type 20 -- Memory Device Mapped Address */
static void *
smbios_init_type_20(void *start, u32 memory_size_mb, int instance)
{
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 + instance;
p->starting_address = instance << 24;
p->ending_address = p->starting_address + (memory_size_mb << 10) - 1;
p->memory_device_handle = 0x1100 + instance;
p->memory_array_mapped_address_handle = 0x1300 + instance;
p->partition_row_position = 1;
p->interleave_position = 0;
p->interleaved_data_depth = 0;
start += sizeof(struct smbios_type_20);
*((u16 *)start) = 0;
return start+2;
}
/* Type 32 -- System Boot Information */
static void *
smbios_init_type_32(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);
*((u16 *)start) = 0;
return start+2;
}
/* Type 127 -- End of Table */
static void *
smbios_init_type_127(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);
*((u16 *)start) = 0;
return start + 2;
}
void
smbios_init(void)
{
if (! CONFIG_SMBIOS)
return;
dprintf(3, "init SMBIOS tables\n");
char *start = malloc_high(2048); // XXX - determine real size
if (! start) {
dprintf(1, "No memory for smbios tables\n");
return;
}
u32 nr_structs = 0, max_struct_size = 0;
char *q, *p = start, *end = start + 2048 - sizeof(struct smbios_type_127);
#define add_struct(type, args...) \
do { \
if (!qemu_cfg_smbios_load_external(type, &p, &nr_structs, \
&max_struct_size, end)) { \
q = smbios_init_type_##type(args); \
nr_structs++; \
if ((q - p) > max_struct_size) \
max_struct_size = q - p; \
p = q; \
} \
} while (0)
add_struct(0, p);
add_struct(1, p);
add_struct(3, p);
int cpu_num;
for (cpu_num = 1; cpu_num <= MaxCountCPUs; cpu_num++)
add_struct(4, p, cpu_num);
u64 memsize = RamSizeOver4G;
if (memsize)
memsize += 0x100000000ull;
else
memsize = RamSize;
memsize = memsize / (1024 * 1024);
int nr_mem_devs = (memsize + 0x3fff) >> 14;
add_struct(16, p, memsize, nr_mem_devs);
int i;
for (i = 0; i < nr_mem_devs; i++) {
u32 dev_memsize = ((i == (nr_mem_devs - 1))
? (((memsize-1) & 0x3fff)+1) : 0x4000);
add_struct(17, p, dev_memsize, i);
add_struct(19, p, dev_memsize, i);
add_struct(20, p, dev_memsize, i);
}
add_struct(32, p);
/* Add any remaining provided entries before the end marker */
for (i = 0; i < 256; i++)
qemu_cfg_smbios_load_external(i, &p, &nr_structs, &max_struct_size,
end);
add_struct(127, p);
#undef add_struct
smbios_entry_point_init(max_struct_size, p - start, start, nr_structs);
}