diff options
| -rw-r--r-- | src/arch/x86/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/arch/x86/smbios.c | 1291 | ||||
| -rw-r--r-- | src/include/smbios.h | 26 | ||||
| -rw-r--r-- | src/lib/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/lib/smbios.c | 1283 | ||||
| -rw-r--r-- | src/lib/smbios_defaults.c (renamed from src/arch/x86/smbios_defaults.c) | 0 |
6 files changed, 1316 insertions, 1287 deletions
diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc index 1c92816547..ab365fea06 100644 --- a/src/arch/x86/Makefile.inc +++ b/src/arch/x86/Makefile.inc @@ -276,7 +276,6 @@ ramstage-$(CONFIG_DEBUG_NULL_DEREF_BREAKPOINTS) += null_breakpoint.c ramstage-$(CONFIG_GENERATE_PIRQ_TABLE) += pirq_routing.c ramstage-y += rdrand.c ramstage-$(CONFIG_GENERATE_SMBIOS_TABLES) += smbios.c -ramstage-$(CONFIG_GENERATE_SMBIOS_TABLES) += smbios_defaults.c ramstage-y += tables.c ramstage-$(CONFIG_COOP_MULTITASKING) += thread.c ramstage-$(CONFIG_COOP_MULTITASKING) += thread_switch.S diff --git a/src/arch/x86/smbios.c b/src/arch/x86/smbios.c index 733d44b2ce..b63c940ea8 100644 --- a/src/arch/x86/smbios.c +++ b/src/arch/x86/smbios.c @@ -1,103 +1,10 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -#include <assert.h> #include <string.h> #include <smbios.h> #include <console/console.h> -#include <version.h> -#include <device/device.h> -#include <device/dram/spd.h> #include <arch/cpu.h> #include <cpu/x86/name.h> -#include <elog.h> -#include <endian.h> -#include <memory_info.h> -#include <spd.h> -#include <cbmem.h> -#include <commonlib/helpers.h> -#include <device/pci_ids.h> -#include <device/pci.h> -#include <drivers/vpd/vpd.h> -#include <stdlib.h> - -#define update_max(len, max_len, stmt) \ - do { \ - int tmp = stmt; \ - \ - max_len = MAX(max_len, tmp); \ - len += tmp; \ - } while (0) - -static u8 smbios_checksum(u8 *p, u32 length) -{ - u8 ret = 0; - while (length--) - ret += *p++; - return -ret; -} - -int smbios_add_string(u8 *start, const char *str) -{ - int i = 1; - char *p = (char *)start; - - /* - * Return 0 as required for empty strings. - * See Section 6.1.3 "Text Strings" of the SMBIOS specification. - */ - if (str == NULL || *str == '\0') - return 0; - - for (;;) { - if (!*p) { - strcpy(p, str); - p += strlen(str); - *p++ = '\0'; - *p++ = '\0'; - return i; - } - - if (!strcmp(p, str)) - return i; - - p += strlen(p)+1; - i++; - } -} - -int smbios_string_table_len(u8 *start) -{ - char *p = (char *)start; - int i, len = 0; - - while (*p) { - i = strlen(p) + 1; - p += i; - len += i; - } - - if (!len) - return 2; - - return len + 1; -} - -int smbios_full_table_len(struct smbios_header *header, u8 *str_table_start) -{ - return header->length + smbios_string_table_len(str_table_start); -} - -void *smbios_carve_table(unsigned long start, u8 type, u8 length, u16 handle) -{ - struct smbios_header *t = (struct smbios_header *)start; - - assert(length >= sizeof(*t)); - memset(t, 0, length); - t->type = type; - t->length = length - 2; - t->handle = handle; - return t; -} static int smbios_cpu_vendor(u8 *start) { @@ -137,328 +44,6 @@ static int smbios_processor_name(u8 *start) return smbios_add_string(start, str); } -/* this function will fill the corresponding manufacturer */ -void smbios_fill_dimm_manufacturer_from_id(uint16_t mod_id, struct smbios_type17 *t) -{ - const char *const manufacturer = spd_manufacturer_name(mod_id); - - if (manufacturer) { - t->manufacturer = smbios_add_string(t->eos, manufacturer); - } else { - char string_buffer[256]; - - snprintf(string_buffer, sizeof(string_buffer), "Unknown (%x)", mod_id); - t->manufacturer = smbios_add_string(t->eos, string_buffer); - } -} - -static void trim_trailing_whitespace(char *buffer, size_t buffer_size) -{ - size_t len = strnlen(buffer, buffer_size); - - if (len == 0) - return; - - for (char *p = buffer + len - 1; p >= buffer; --p) { - if (*p == ' ') - *p = 0; - else - break; - } -} - -/** This function will fill the corresponding part number */ -static void smbios_fill_dimm_part_number(const char *part_number, struct smbios_type17 *t) -{ - int invalid; - size_t i, len; - char trimmed_part_number[DIMM_INFO_PART_NUMBER_SIZE]; - - strncpy(trimmed_part_number, part_number, sizeof(trimmed_part_number)); - trimmed_part_number[sizeof(trimmed_part_number) - 1] = '\0'; - - /* - * SPD mandates that unused characters be represented with a ' '. - * We don't want to publish the whitespace in the SMBIOS tables. - */ - trim_trailing_whitespace(trimmed_part_number, sizeof(trimmed_part_number)); - - len = strlen(trimmed_part_number); - - invalid = 0; /* assume valid */ - for (i = 0; i < len; i++) { - if (trimmed_part_number[i] < ' ') { - invalid = 1; - trimmed_part_number[i] = '*'; - } - } - - if (len == 0) { - /* Null String in Part Number will have "None" instead. */ - t->part_number = smbios_add_string(t->eos, "None"); - } else if (invalid) { - char string_buffer[sizeof(trimmed_part_number) + 10]; - - snprintf(string_buffer, sizeof(string_buffer), "Invalid (%s)", - trimmed_part_number); - t->part_number = smbios_add_string(t->eos, string_buffer); - } else { - t->part_number = smbios_add_string(t->eos, trimmed_part_number); - } -} - -/* Encodes the SPD serial number into hex */ -static void smbios_fill_dimm_serial_number(const struct dimm_info *dimm, - struct smbios_type17 *t) -{ - char serial[9]; - - snprintf(serial, sizeof(serial), "%02hhx%02hhx%02hhx%02hhx", - dimm->serial[0], dimm->serial[1], dimm->serial[2], dimm->serial[3]); - - t->serial_number = smbios_add_string(t->eos, serial); -} - -static const char *memory_device_type(u8 code) -{ - /* SMBIOS spec 3.6 7.18.2 */ - static const char * const type[] = { - "Other", - "Unknown", - "DRAM", - "EDRAM", - "VRAM", - "SRAM", - "RAM", - "ROM", - "Flash", - "EEPROM", - "FEPROM", - "EPROM", - "CDRAM", - "3DRAM", - "SDRAM", - "SGRAM", - "RDRAM", - "DDR", - "DDR2", - "DDR2 FB-DIMM", - "Reserved", - "Reserved", - "Reserved", - "DDR3", - "FBD2", - "DDR4", /* 0x1A */ - "LPDDR", - "LPDDR2", - "LPDDR3", - "LPDDR4", - "Logical non-volatile device", - "HBM", - "HBM2", - "DDR5", - "LPDDR5", - "HBM3", /* 0x24 */ - }; - - if (code >= MEMORY_TYPE_OTHER && code <= MEMORY_TYPE_HBM3) - return type[code - 1]; - return "Unsupproted"; -} - -static void dump_smbios_type17(struct dimm_info *dimm) -{ - printk(BIOS_INFO, "memory at Channel-%d-DIMM-%d", dimm->channel_num, dimm->dimm_num); - printk(BIOS_INFO, " type is %s\n", memory_device_type(dimm->ddr_type)); - printk(BIOS_INFO, "memory part number is %s\n", dimm->module_part_number); - if (dimm->max_speed_mts != 0) - printk(BIOS_INFO, "memory max speed is %d MT/s\n", dimm->max_speed_mts); - printk(BIOS_INFO, "memory speed is %d MT/s\n", - dimm->configured_speed_mts ? : dimm->ddr_frequency); - printk(BIOS_INFO, "memory size is %d MiB\n", dimm->dimm_size); -} - -static int create_smbios_type17_for_dimm(struct dimm_info *dimm, - unsigned long *current, int *handle, - int type16_handle) -{ - struct spd_info info; - get_spd_info(dimm->ddr_type, dimm->mod_type, &info); - - struct smbios_type17 *t = smbios_carve_table(*current, SMBIOS_MEMORY_DEVICE, - sizeof(*t), *handle); - - t->memory_type = dimm->ddr_type; - if (dimm->configured_speed_mts != 0) - t->clock_speed = dimm->configured_speed_mts; - else - t->clock_speed = dimm->ddr_frequency; - if (dimm->max_speed_mts != 0) - t->speed = dimm->max_speed_mts; - else - t->speed = dimm->ddr_frequency; - if (dimm->dimm_size < 0x7fff) { - t->size = dimm->dimm_size; - } else { - t->size = 0x7fff; - t->extended_size = dimm->dimm_size & 0x7fffffff; - } - t->data_width = 8 * (1 << (dimm->bus_width & 0x7)); - t->total_width = t->data_width + 8 * ((dimm->bus_width & 0x18) >> 3); - t->form_factor = info.form_factor; - - smbios_fill_dimm_manufacturer_from_id(dimm->mod_id, t); - smbios_fill_dimm_serial_number(dimm, t); - smbios_fill_dimm_asset_tag(dimm, t); - smbios_fill_dimm_locator(dimm, t); - - /* put '\0' in the end of data */ - dimm->module_part_number[DIMM_INFO_PART_NUMBER_SIZE - 1] = '\0'; - smbios_fill_dimm_part_number((char *)dimm->module_part_number, t); - - /* Voltage Levels */ - t->configured_voltage = dimm->vdd_voltage; - t->minimum_voltage = dimm->vdd_voltage; - t->maximum_voltage = dimm->vdd_voltage; - - /* Fill in type detail */ - t->type_detail = info.type_detail; - - /* Synchronous = 1 */ - t->type_detail |= MEMORY_TYPE_DETAIL_SYNCHRONOUS; - /* no handle for error information */ - t->memory_error_information_handle = 0xFFFE; - t->attributes = dimm->rank_per_dimm; - t->phys_memory_array_handle = type16_handle; - - *handle += 1; - if (CONFIG(DUMP_SMBIOS_TYPE17)) - dump_smbios_type17(dimm); - - return smbios_full_table_len(&t->header, t->eos); -} - -static int create_smbios_type17_for_empty_slot(struct dimm_info *dimm, - unsigned long *current, int *handle, - int type16_handle) -{ - struct smbios_type17 *t = smbios_carve_table(*current, SMBIOS_MEMORY_DEVICE, - sizeof(*t), *handle); - t->phys_memory_array_handle = type16_handle; - /* no handle for error information */ - t->memory_error_information_handle = 0xfffe; - t->total_width = 0xffff; /* Unknown */ - t->data_width = 0xffff; /* Unknown */ - t->form_factor = 0x2; /* Unknown */ - smbios_fill_dimm_locator(dimm, t); /* Device and Bank */ - t->memory_type = 0x2; /* Unknown */ - t->type_detail = 0x2; /* Unknown */ - - *handle += 1; - return smbios_full_table_len(&t->header, t->eos); -} - -#define VERSION_VPD "firmware_version" -static const char *vpd_get_bios_version(void) -{ - int size; - const char *s; - char *version; - - s = vpd_find(VERSION_VPD, &size, VPD_RO); - if (!s) { - printk(BIOS_ERR, "Find version from VPD %s failed\n", VERSION_VPD); - return NULL; - } - - version = malloc(size + 1); - if (!version) { - printk(BIOS_ERR, "Failed to malloc %d bytes for VPD version\n", size + 1); - return NULL; - } - memcpy(version, s, size); - version[size] = '\0'; - printk(BIOS_DEBUG, "Firmware version %s from VPD %s\n", version, VERSION_VPD); - return version; -} - -static const char *get_bios_version(void) -{ - const char *s; - -#define SPACES \ - " " - - if (CONFIG(CHROMEOS)) - return SPACES; - - if (CONFIG(VPD_SMBIOS_VERSION)) { - s = vpd_get_bios_version(); - if (s != NULL) - return s; - } - - s = smbios_mainboard_bios_version(); - if (s != NULL) - return s; - - if (strlen(CONFIG_LOCALVERSION) != 0) { - printk(BIOS_DEBUG, "BIOS version set to CONFIG_LOCALVERSION: '%s'\n", - CONFIG_LOCALVERSION); - return CONFIG_LOCALVERSION; - } - - printk(BIOS_DEBUG, "SMBIOS firmware version is set to coreboot_version: '%s'\n", - coreboot_version); - return coreboot_version; -} - -static int smbios_write_type0(unsigned long *current, int handle) -{ - struct smbios_type0 *t = smbios_carve_table(*current, SMBIOS_BIOS_INFORMATION, - sizeof(*t), handle); - - t->vendor = smbios_add_string(t->eos, "coreboot"); - t->bios_release_date = smbios_add_string(t->eos, coreboot_dmi_date); - - if (CONFIG(CHROMEOS_NVS)) { - uintptr_t version_address = (uintptr_t)t->eos; - /* SMBIOS offsets start at 1 rather than 0 */ - version_address += (u32)smbios_string_table_len(t->eos) - 1; - smbios_type0_bios_version(version_address); - } - t->bios_version = smbios_add_string(t->eos, get_bios_version()); - uint32_t rom_size = CONFIG_ROM_SIZE; - rom_size = MIN(CONFIG_ROM_SIZE, 16 * MiB); - t->bios_rom_size = (rom_size / 65535) - 1; - - if (CONFIG_ROM_SIZE >= 1 * GiB) - t->extended_bios_rom_size = DIV_ROUND_UP(CONFIG_ROM_SIZE, GiB) | (1 << 14); - else - t->extended_bios_rom_size = DIV_ROUND_UP(CONFIG_ROM_SIZE, MiB); - - t->system_bios_major_release = coreboot_major_revision; - t->system_bios_minor_release = coreboot_minor_revision; - - smbios_ec_revision(&t->ec_major_release, &t->ec_minor_release); - - t->bios_characteristics = - BIOS_CHARACTERISTICS_PCI_SUPPORTED | - BIOS_CHARACTERISTICS_SELECTABLE_BOOT | - BIOS_CHARACTERISTICS_UPGRADEABLE; - - if (CONFIG(CARDBUS_PLUGIN_SUPPORT)) - t->bios_characteristics |= BIOS_CHARACTERISTICS_PC_CARD; - - if (CONFIG(HAVE_ACPI_TABLES)) - t->bios_characteristics_ext1 = BIOS_EXT1_CHARACTERISTICS_ACPI; - - t->bios_characteristics_ext2 = BIOS_EXT2_CHARACTERISTICS_TARGET; - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - return len; -} - static int get_socket_type(void) { if (CONFIG(CPU_INTEL_SLOT_1)) @@ -481,42 +66,11 @@ static int get_socket_type(void) return PROCESSOR_UPGRADE_UNKNOWN; } -unsigned int __weak smbios_processor_external_clock(void) -{ - return 0; /* Unknown */ -} - -unsigned int __weak smbios_processor_characteristics(void) -{ - return 0; -} - unsigned int __weak smbios_processor_family(struct cpuid_result res) { return (res.eax > 0) ? 0x0c : 0x6; } -unsigned int __weak smbios_cache_error_correction_type(u8 level) -{ - return SMBIOS_CACHE_ERROR_CORRECTION_UNKNOWN; -} - -unsigned int __weak smbios_cache_sram_type(void) -{ - return SMBIOS_CACHE_SRAM_TYPE_UNKNOWN; -} - -unsigned int __weak smbios_cache_conf_operation_mode(u8 level) -{ - return SMBIOS_CACHE_OP_MODE_UNKNOWN; /* Unknown */ -} - -/* Returns the processor voltage in 100mV units */ -unsigned int __weak smbios_cpu_get_voltage(void) -{ - return 0; /* Unknown */ -} - static size_t get_number_of_caches(size_t max_logical_cpus_sharing_cache) { size_t number_of_cpus_per_package = 0; @@ -544,69 +98,9 @@ static size_t get_number_of_caches(size_t max_logical_cpus_sharing_cache) return number_of_cpus_per_package / max_logical_cpus_sharing_cache; } -static int smbios_write_type1(unsigned long *current, int handle) -{ - struct smbios_type1 *t = smbios_carve_table(*current, SMBIOS_SYSTEM_INFORMATION, - sizeof(*t), handle); - - t->manufacturer = smbios_add_string(t->eos, smbios_system_manufacturer()); - t->product_name = smbios_add_string(t->eos, smbios_system_product_name()); - t->serial_number = smbios_add_string(t->eos, smbios_system_serial_number()); - t->wakeup_type = smbios_system_wakeup_type(); - t->sku = smbios_add_string(t->eos, smbios_system_sku()); - t->version = smbios_add_string(t->eos, smbios_system_version()); -#ifdef CONFIG_MAINBOARD_FAMILY - t->family = smbios_add_string(t->eos, CONFIG_MAINBOARD_FAMILY); -#endif - smbios_system_set_uuid(t->uuid); - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - return len; -} - -static int smbios_write_type2(unsigned long *current, int handle, const int chassis_handle) -{ - struct smbios_type2 *t = smbios_carve_table(*current, SMBIOS_BOARD_INFORMATION, - sizeof(*t), handle); - - t->manufacturer = smbios_add_string(t->eos, smbios_mainboard_manufacturer()); - t->product_name = smbios_add_string(t->eos, smbios_mainboard_product_name()); - t->serial_number = smbios_add_string(t->eos, smbios_mainboard_serial_number()); - t->version = smbios_add_string(t->eos, smbios_mainboard_version()); - t->asset_tag = smbios_add_string(t->eos, smbios_mainboard_asset_tag()); - t->feature_flags = smbios_mainboard_feature_flags(); - t->location_in_chassis = smbios_add_string(t->eos, - smbios_mainboard_location_in_chassis()); - t->board_type = smbios_mainboard_board_type(); - t->chassis_handle = chassis_handle; - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - return len; -} - -static int smbios_write_type3(unsigned long *current, int handle) -{ - struct smbios_type3 *t = smbios_carve_table(*current, SMBIOS_SYSTEM_ENCLOSURE, - sizeof(*t), handle); - - t->manufacturer = smbios_add_string(t->eos, smbios_system_manufacturer()); - t->bootup_state = SMBIOS_STATE_SAFE; - t->power_supply_state = SMBIOS_STATE_SAFE; - t->thermal_state = SMBIOS_STATE_SAFE; - t->_type = smbios_mainboard_enclosure_type(); - t->security_status = SMBIOS_STATE_SAFE; - t->number_of_power_cords = smbios_chassis_power_cords(); - t->asset_tag_number = smbios_add_string(t->eos, smbios_mainboard_asset_tag()); - t->version = smbios_add_string(t->eos, smbios_chassis_version()); - t->serial_number = smbios_add_string(t->eos, smbios_chassis_serial_number()); - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - return len; -} - #define MAX_CPUS_ENABLED (CONFIG_MAX_CPUS > 0xff ? 0xff : CONFIG_MAX_CPUS) -static int smbios_write_type4(unsigned long *current, int handle) +int smbios_write_type4(unsigned long *current, int handle) { unsigned int cpu_voltage; struct cpuid_result res; @@ -706,112 +200,6 @@ static int smbios_write_type4(unsigned long *current, int handle) } /* - * Write SMBIOS type 7. - * Fill in some fields with constant values, as gathering the information - * from CPUID is impossible. - */ -static int smbios_write_type7(unsigned long *current, - const int handle, - const u8 level, - const u8 sram_type, - const enum smbios_cache_associativity associativity, - const enum smbios_cache_type type, - const size_t max_cache_size, - const size_t cache_size) -{ - char buf[8]; - - struct smbios_type7 *t = smbios_carve_table(*current, SMBIOS_CACHE_INFORMATION, - sizeof(*t), handle); - - snprintf(buf, sizeof(buf), "CACHE%x", level); - t->socket_designation = smbios_add_string(t->eos, buf); - - t->cache_configuration = SMBIOS_CACHE_CONF_LEVEL(level) | - SMBIOS_CACHE_CONF_LOCATION(0) | /* Internal */ - SMBIOS_CACHE_CONF_ENABLED(1) | /* Enabled */ - SMBIOS_CACHE_CONF_OPERATION_MODE(smbios_cache_conf_operation_mode(level)); - - if (max_cache_size < (SMBIOS_CACHE_SIZE_MASK * KiB)) { - t->max_cache_size = max_cache_size / KiB; - t->max_cache_size2 = t->max_cache_size; - - t->max_cache_size |= SMBIOS_CACHE_SIZE_UNIT_1KB; - t->max_cache_size2 |= SMBIOS_CACHE_SIZE2_UNIT_1KB; - } else { - if (max_cache_size < (SMBIOS_CACHE_SIZE_MASK * 64 * KiB)) - t->max_cache_size = max_cache_size / (64 * KiB); - else - t->max_cache_size = SMBIOS_CACHE_SIZE_OVERFLOW; - t->max_cache_size2 = max_cache_size / (64 * KiB); - - t->max_cache_size |= SMBIOS_CACHE_SIZE_UNIT_64KB; - t->max_cache_size2 |= SMBIOS_CACHE_SIZE2_UNIT_64KB; - } - - if (cache_size < (SMBIOS_CACHE_SIZE_MASK * KiB)) { - t->installed_size = cache_size / KiB; - t->installed_size2 = t->installed_size; - - t->installed_size |= SMBIOS_CACHE_SIZE_UNIT_1KB; - t->installed_size2 |= SMBIOS_CACHE_SIZE2_UNIT_1KB; - } else { - if (cache_size < (SMBIOS_CACHE_SIZE_MASK * 64 * KiB)) - t->installed_size = cache_size / (64 * KiB); - else - t->installed_size = SMBIOS_CACHE_SIZE_OVERFLOW; - t->installed_size2 = cache_size / (64 * KiB); - - t->installed_size |= SMBIOS_CACHE_SIZE_UNIT_64KB; - t->installed_size2 |= SMBIOS_CACHE_SIZE2_UNIT_64KB; - } - - t->associativity = associativity; - t->supported_sram_type = sram_type; - t->current_sram_type = sram_type; - t->cache_speed = 0; /* Unknown */ - t->error_correction_type = smbios_cache_error_correction_type(level); - t->system_cache_type = type; - - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - return len; -} - -/* Convert the associativity as integer to the SMBIOS enum if available */ -static enum smbios_cache_associativity smbios_cache_associativity(const u8 num) -{ - switch (num) { - case 1: - return SMBIOS_CACHE_ASSOCIATIVITY_DIRECT; - case 2: - return SMBIOS_CACHE_ASSOCIATIVITY_2WAY; - case 4: - return SMBIOS_CACHE_ASSOCIATIVITY_4WAY; - case 8: - return SMBIOS_CACHE_ASSOCIATIVITY_8WAY; - case 12: - return SMBIOS_CACHE_ASSOCIATIVITY_12WAY; - case 16: - return SMBIOS_CACHE_ASSOCIATIVITY_16WAY; - case 20: - return SMBIOS_CACHE_ASSOCIATIVITY_20WAY; - case 24: - return SMBIOS_CACHE_ASSOCIATIVITY_24WAY; - case 32: - return SMBIOS_CACHE_ASSOCIATIVITY_32WAY; - case 48: - return SMBIOS_CACHE_ASSOCIATIVITY_48WAY; - case 64: - return SMBIOS_CACHE_ASSOCIATIVITY_64WAY; - case 0xff: - return SMBIOS_CACHE_ASSOCIATIVITY_FULL; - default: - return SMBIOS_CACHE_ASSOCIATIVITY_UNKNOWN; - }; -} - -/* * Parse the "Deterministic Cache Parameters" as provided by Intel in * leaf 4 or AMD in extended leaf 0x8000001d. * @@ -820,10 +208,10 @@ static enum smbios_cache_associativity smbios_cache_associativity(const u8 num) * @param max_struct_size Pointer to maximum struct size * @param type4 Pointer to SMBIOS type 4 structure */ -static int smbios_write_type7_cache_parameters(unsigned long *current, - int *handle, - int *max_struct_size, - struct smbios_type4 *type4) +int smbios_write_type7_cache_parameters(unsigned long *current, + int *handle, + int *max_struct_size, + struct smbios_type4 *type4) { unsigned int cnt = CACHE_L1D; int len = 0; @@ -898,672 +286,3 @@ static int smbios_write_type7_cache_parameters(unsigned long *current, return len; } - -int smbios_write_type8(unsigned long *current, int *handle, - const struct port_information *port, - size_t num_ports) -{ - unsigned int totallen = 0, i; - - for (i = 0; i < num_ports; i++, port++) { - struct smbios_type8 *t = smbios_carve_table(*current, - SMBIOS_PORT_CONNECTOR_INFORMATION, - sizeof(*t), *handle); - t->internal_reference_designator = - smbios_add_string(t->eos, port->internal_reference_designator); - t->internal_connector_type = port->internal_connector_type; - t->external_reference_designator = - smbios_add_string(t->eos, port->external_reference_designator); - t->external_connector_type = port->external_connector_type; - t->port_type = port->port_type; - *handle += 1; - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - totallen += len; - } - return totallen; -} - -int smbios_write_type9(unsigned long *current, int *handle, - const char *name, const enum misc_slot_type type, - const enum slot_data_bus_bandwidth bandwidth, - const enum misc_slot_usage usage, - const enum misc_slot_length length, - const u16 id, u8 slot_char1, u8 slot_char2, u8 bus, u8 dev_func) -{ - struct smbios_type9 *t = smbios_carve_table(*current, SMBIOS_SYSTEM_SLOTS, - sizeof(*t), *handle); - - t->slot_designation = smbios_add_string(t->eos, name ? name : "SLOT"); - t->slot_type = type; - /* TODO add slot_id supoort, will be "_SUN" for ACPI devices */ - t->slot_id = id; - t->slot_data_bus_width = bandwidth; - t->current_usage = usage; - t->slot_length = length; - t->slot_characteristics_1 = slot_char1; - t->slot_characteristics_2 = slot_char2; - t->segment_group_number = 0; - t->bus_number = bus; - t->device_function_number = dev_func; - t->data_bus_width = SlotDataBusWidthOther; - - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - *handle += 1; - return len; -} - -static int smbios_write_type11(unsigned long *current, int *handle) -{ - struct device *dev; - struct smbios_type11 *t = smbios_carve_table(*current, SMBIOS_OEM_STRINGS, - sizeof(*t), *handle); - - for (dev = all_devices; dev; dev = dev->next) { - if (dev->ops && dev->ops->get_smbios_strings) - dev->ops->get_smbios_strings(dev, t); - } - - if (t->count == 0) { - memset(t, 0, sizeof(*t)); - return 0; - } - - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - (*handle)++; - return len; -} - -static int smbios_write_type16(unsigned long *current, int *handle) -{ - int i; - uint64_t max_capacity; - - struct memory_info *meminfo; - meminfo = cbmem_find(CBMEM_ID_MEMINFO); - if (meminfo == NULL) - return 0; /* can't find mem info in cbmem */ - - printk(BIOS_INFO, "Create SMBIOS type 16\n"); - - if (meminfo->max_capacity_mib == 0 || meminfo->number_of_devices == 0) { - /* Fill in defaults if not provided */ - meminfo->number_of_devices = 0; - meminfo->max_capacity_mib = 0; - for (i = 0; i < meminfo->dimm_cnt && i < ARRAY_SIZE(meminfo->dimm); i++) { - meminfo->max_capacity_mib += meminfo->dimm[i].dimm_size; - meminfo->number_of_devices += !!meminfo->dimm[i].dimm_size; - } - } - - struct smbios_type16 *t = smbios_carve_table(*current, SMBIOS_PHYS_MEMORY_ARRAY, - sizeof(*t), *handle); - - t->location = MEMORY_ARRAY_LOCATION_SYSTEM_BOARD; - t->use = MEMORY_ARRAY_USE_SYSTEM; - t->memory_error_correction = meminfo->ecc_type; - - /* no error information handle available */ - t->memory_error_information_handle = 0xFFFE; - max_capacity = meminfo->max_capacity_mib; - if (max_capacity * (MiB / KiB) < SMBIOS_USE_EXTENDED_MAX_CAPACITY) - t->maximum_capacity = max_capacity * (MiB / KiB); - else { - t->maximum_capacity = SMBIOS_USE_EXTENDED_MAX_CAPACITY; - t->extended_maximum_capacity = max_capacity * MiB; - } - t->number_of_memory_devices = meminfo->number_of_devices; - - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - (*handle)++; - return len; -} - -static int smbios_write_type17(unsigned long *current, int *handle, int type16) -{ - int totallen = 0; - int i; - - struct memory_info *meminfo; - meminfo = cbmem_find(CBMEM_ID_MEMINFO); - if (meminfo == NULL) - return 0; /* can't find mem info in cbmem */ - - printk(BIOS_INFO, "Create SMBIOS type 17\n"); - for (i = 0; i < meminfo->dimm_cnt && i < ARRAY_SIZE(meminfo->dimm); i++) { - struct dimm_info *d = &meminfo->dimm[i]; - /* - * Windows 10 GetPhysicallyInstalledSystemMemory functions reads SMBIOS tables - * type 16 and type 17. The type 17 tables need to point to a type 16 table. - * Otherwise, the physical installed memory size is guessed from the system - * memory map, which results in a slightly smaller value than the actual size. - */ - int len; - if (d->dimm_size > 0) - len = create_smbios_type17_for_dimm(d, current, handle, type16); - else - len = create_smbios_type17_for_empty_slot(d, current, handle, type16); - - *current += len; - totallen += len; - } - return totallen; -} - -static int smbios_write_type19(unsigned long *current, int *handle, int type16) -{ - int i; - - struct memory_info *meminfo; - meminfo = cbmem_find(CBMEM_ID_MEMINFO); - if (meminfo == NULL) - return 0; /* can't find mem info in cbmem */ - - struct smbios_type19 *t = smbios_carve_table(*current, - SMBIOS_MEMORY_ARRAY_MAPPED_ADDRESS, - sizeof(*t), *handle); - - t->memory_array_handle = type16; - - for (i = 0; i < meminfo->dimm_cnt && i < ARRAY_SIZE(meminfo->dimm); i++) { - if (meminfo->dimm[i].dimm_size > 0) { - t->extended_ending_address += meminfo->dimm[i].dimm_size; - t->partition_width++; - } - } - t->extended_ending_address *= MiB; - - /* Check if it fits into regular address */ - if (t->extended_ending_address >= KiB && - t->extended_ending_address < 0x40000000000ULL) { - /* - * FIXME: The starting address is SoC specific, but SMBIOS tables are only - * exported on x86 where it's always 0. - */ - - t->starting_address = 0; - t->ending_address = t->extended_ending_address / KiB - 1; - t->extended_starting_address = ~0; - t->extended_ending_address = ~0; - } else { - t->starting_address = ~0; - t->ending_address = ~0; - t->extended_starting_address = 0; - t->extended_ending_address--; - } - - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - *handle += 1; - return len; -} - -static int smbios_write_type20_table(unsigned long *current, int *handle, u32 addr_start, - u32 addr_end, int type17_handle, int type19_handle) -{ - struct smbios_type20 *t = smbios_carve_table(*current, SMBIOS_MEMORY_DEVICE_MAPPED_ADDRESS, - sizeof(*t), *handle); - - t->memory_device_handle = type17_handle; - t->memory_array_mapped_address_handle = type19_handle; - t->addr_start = addr_start; - t->addr_end = addr_end; - t->partition_row_pos = 0xff; - t->interleave_pos = 0xff; - t->interleave_depth = 0xff; - - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - *handle += 1; - return len; -} - -static int smbios_write_type20(unsigned long *current, int *handle, - int type17_handle, int type19_handle) -{ - u32 start_addr = 0; - int totallen = 0; - int i; - - struct memory_info *meminfo; - meminfo = cbmem_find(CBMEM_ID_MEMINFO); - if (meminfo == NULL) - return 0; /* can't find mem info in cbmem */ - - printk(BIOS_INFO, "Create SMBIOS type 20\n"); - for (i = 0; i < meminfo->dimm_cnt && i < ARRAY_SIZE(meminfo->dimm); i++) { - struct dimm_info *dimm; - dimm = &meminfo->dimm[i]; - if (dimm->dimm_size == 0) - continue; - - u32 end_addr = start_addr + (dimm->dimm_size << 10) - 1; - totallen += smbios_write_type20_table(current, handle, start_addr, end_addr, - type17_handle, type19_handle); - start_addr = end_addr + 1; - } - return totallen; -} - -int smbios_write_type28(unsigned long *current, int *handle, - const char *name, - const enum smbios_temp_location location, - const enum smbios_temp_status status, - u16 max_value, u16 min_value, - u16 resolution, u16 tolerance, - u16 accuracy, - u32 oem, - u16 nominal_value) -{ - struct smbios_type28 *t = smbios_carve_table(*current, SMBIOS_TEMPERATURE_PROBE, - sizeof(*t), *handle); - - t->description = smbios_add_string(t->eos, name ? name : "Temperature"); - t->location_and_status = location | (status << 5); - t->maximum_value = max_value; - t->minimum_value = min_value; - t->resolution = resolution; - t->tolerance = tolerance; - t->accuracy = accuracy; - t->oem_defined = oem; - t->nominal_value = nominal_value; - - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - *handle += 1; - return len; -} - -static int smbios_write_type32(unsigned long *current, int handle) -{ - struct smbios_type32 *t = smbios_carve_table(*current, SMBIOS_SYSTEM_BOOT_INFORMATION, - sizeof(*t), handle); - - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - return len; -} - -int smbios_write_type38(unsigned long *current, int *handle, - const enum smbios_bmc_interface_type interface_type, - const u8 ipmi_rev, const u8 i2c_addr, const u8 nv_addr, - const u64 base_addr, const u8 base_modifier, - const u8 irq) -{ - struct smbios_type38 *t = smbios_carve_table(*current, SMBIOS_IPMI_DEVICE_INFORMATION, - sizeof(*t), *handle); - - t->interface_type = interface_type; - t->ipmi_rev = ipmi_rev; - t->i2c_slave_addr = i2c_addr; - t->nv_storage_addr = nv_addr; - t->base_address = base_addr; - t->base_address_modifier = base_modifier; - t->irq = irq; - - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - *handle += 1; - return len; -} - -int smbios_write_type39(unsigned long *current, int *handle, - u8 unit_group, const char *loc, const char *dev_name, - const char *man, const char *serial_num, - const char *tag_num, const char *part_num, - const char *rev_lvl, u16 max_pow_cap, - const struct power_supply_ch *ps_ch) -{ - struct smbios_type39 *t = smbios_carve_table(*current, - SMBIOS_SYSTEM_POWER_SUPPLY, - sizeof(*t), *handle); - - uint16_t val = 0; - uint16_t ps_type, ps_status, vol_switch, ps_unplug, ps_present, hot_rep; - - t->power_unit_group = unit_group; - t->location = smbios_add_string(t->eos, loc); - t->device_name = smbios_add_string(t->eos, dev_name); - t->manufacturer = smbios_add_string(t->eos, man); - t->serial_number = smbios_add_string(t->eos, serial_num); - t->asset_tag_number = smbios_add_string(t->eos, tag_num); - t->model_part_number = smbios_add_string(t->eos, part_num); - t->revision_level = smbios_add_string(t->eos, rev_lvl); - t->max_power_capacity = max_pow_cap; - - ps_type = ps_ch->power_supply_type & 0xF; - ps_status = ps_ch->power_supply_status & 0x7; - vol_switch = ps_ch->input_voltage_range_switch & 0xF; - ps_unplug = ps_ch->power_supply_unplugged & 0x1; - ps_present = ps_ch->power_supply_present & 0x1; - hot_rep = ps_ch->power_supply_hot_replaceble & 0x1; - - val |= (ps_type << 10); - val |= (ps_status << 7); - val |= (vol_switch << 3); - val |= (ps_unplug << 2); - val |= (ps_present << 1); - val |= hot_rep; - t->power_supply_characteristics = val; - - t->input_voltage_probe_handle = 0xFFFF; - t->cooling_device_handle = 0xFFFF; - t->input_current_probe_handle = 0xFFFF; - - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - *handle += 1; - return len; -} - -int smbios_write_type41(unsigned long *current, int *handle, - const char *name, u8 instance, u16 segment, - u8 bus, u8 device, u8 function, u8 device_type) -{ - struct smbios_type41 *t = smbios_carve_table(*current, - SMBIOS_ONBOARD_DEVICES_EXTENDED_INFORMATION, - sizeof(*t), *handle); - - t->reference_designation = smbios_add_string(t->eos, name); - t->device_type = device_type; - t->device_status = 1; - t->device_type_instance = instance; - t->segment_group_number = segment; - t->bus_number = bus; - t->device_number = device; - t->function_number = function; - - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - *handle += 1; - return len; -} - -int smbios_write_type43(unsigned long *current, int *handle, const u32 vendor_id, - const u8 major_spec_ver, const u8 minor_spec_ver, - const u32 fw_ver1, const u32 fw_ver2, const char *description, - const u64 characteristics, const u32 oem_defined) -{ - struct smbios_type43 *t = smbios_carve_table(*current, SMBIOS_TPM_DEVICE, - sizeof(*t), *handle); - - t->vendor_id = vendor_id; - t->major_spec_ver = major_spec_ver; - t->minor_spec_ver = minor_spec_ver; - t->fw_ver1 = fw_ver1; - t->fw_ver2 = fw_ver2; - t->characteristics = characteristics; - t->oem_defined = oem_defined; - t->description = smbios_add_string(t->eos, description); - - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - *handle += 1; - return len; -} - -static int smbios_write_type127(unsigned long *current, int handle) -{ - struct smbios_type127 *t = smbios_carve_table(*current, SMBIOS_END_OF_TABLE, - sizeof(*t), handle); - - const int len = smbios_full_table_len(&t->header, t->eos); - *current += len; - return len; -} - -/* Get the device type 41 from the dev struct */ -static u8 smbios_get_device_type_from_dev(struct device *dev) -{ - u16 pci_basesubclass = (dev->class >> 8) & 0xFFFF; - - switch (pci_basesubclass) { - case PCI_CLASS_NOT_DEFINED: - return SMBIOS_DEVICE_TYPE_OTHER; - case PCI_CLASS_DISPLAY_VGA: - case PCI_CLASS_DISPLAY_XGA: - case PCI_CLASS_DISPLAY_3D: - case PCI_CLASS_DISPLAY_OTHER: - return SMBIOS_DEVICE_TYPE_VIDEO; - case PCI_CLASS_STORAGE_SCSI: - return SMBIOS_DEVICE_TYPE_SCSI; - case PCI_CLASS_NETWORK_ETHERNET: - return SMBIOS_DEVICE_TYPE_ETHERNET; - case PCI_CLASS_NETWORK_TOKEN_RING: - return SMBIOS_DEVICE_TYPE_TOKEN_RING; - case PCI_CLASS_MULTIMEDIA_VIDEO: - case PCI_CLASS_MULTIMEDIA_AUDIO: - case PCI_CLASS_MULTIMEDIA_PHONE: - case PCI_CLASS_MULTIMEDIA_OTHER: - return SMBIOS_DEVICE_TYPE_SOUND; - case PCI_CLASS_STORAGE_ATA: - return SMBIOS_DEVICE_TYPE_PATA; - case PCI_CLASS_STORAGE_SATA: - return SMBIOS_DEVICE_TYPE_SATA; - case PCI_CLASS_STORAGE_SAS: - return SMBIOS_DEVICE_TYPE_SAS; - default: - return SMBIOS_DEVICE_TYPE_UNKNOWN; - } -} - -static bool smbios_get_type41_instance_id(struct device *dev, u8 device_type, u8 *instance_id) -{ -#if CONFIG(SMBIOS_TYPE41_PROVIDED_BY_DEVTREE) - *instance_id = dev->smbios_instance_id; - return dev->smbios_instance_id_valid; -#else - static u8 type41_inst_cnt[SMBIOS_DEVICE_TYPE_COUNT + 1] = {}; - - if (device_type == SMBIOS_DEVICE_TYPE_OTHER || - device_type == SMBIOS_DEVICE_TYPE_UNKNOWN) - return false; - - if (device_type > SMBIOS_DEVICE_TYPE_COUNT) - return false; - - *instance_id = type41_inst_cnt[device_type]++; - return true; -#endif -} - -static const char *smbios_get_type41_refdes(struct device *dev) -{ -#if CONFIG(SMBIOS_TYPE41_PROVIDED_BY_DEVTREE) - if (dev->smbios_refdes) - return dev->smbios_refdes; -#endif - return get_pci_subclass_name(dev); -} - -static int smbios_generate_type41_from_devtree(struct device *dev, int *handle, - unsigned long *current) -{ - if (dev->path.type != DEVICE_PATH_PCI) - return 0; - if (!dev->on_mainboard) - return 0; - - const u8 device_type = smbios_get_device_type_from_dev(dev); - - u8 instance_id; - - if (!smbios_get_type41_instance_id(dev, device_type, &instance_id)) - return 0; - - const char *name = smbios_get_type41_refdes(dev); - - return smbios_write_type41(current, handle, - name, // name - instance_id, // inst - 0, // segment - dev->bus->secondary, //bus - PCI_SLOT(dev->path.pci.devfn), // device - PCI_FUNC(dev->path.pci.devfn), // func - device_type); -} - -static int smbios_generate_type9_from_devtree(struct device *dev, int *handle, - unsigned long *current) -{ - enum misc_slot_usage usage; - enum slot_data_bus_bandwidth bandwidth; - enum misc_slot_type type; - enum misc_slot_length length; - - if (dev->path.type != DEVICE_PATH_PCI) - return 0; - - if (!dev->smbios_slot_type && !dev->smbios_slot_data_width && - !dev->smbios_slot_designation && !dev->smbios_slot_length) - return 0; - - if (dev_is_active_bridge(dev)) - usage = SlotUsageInUse; - else if (dev->enabled) - usage = SlotUsageAvailable; - else - usage = SlotUsageUnknown; - - if (dev->smbios_slot_data_width) - bandwidth = dev->smbios_slot_data_width; - else - bandwidth = SlotDataBusWidthUnknown; - - if (dev->smbios_slot_type) - type = dev->smbios_slot_type; - else - type = SlotTypeUnknown; - - if (dev->smbios_slot_length) - length = dev->smbios_slot_length; - else - length = SlotLengthUnknown; - - return smbios_write_type9(current, handle, - dev->smbios_slot_designation, - type, - bandwidth, - usage, - length, - 0, - 1, - 0, - dev->bus->secondary, - dev->path.pci.devfn); -} - -int get_smbios_data(struct device *dev, int *handle, unsigned long *current) -{ - int len = 0; - - len += smbios_generate_type9_from_devtree(dev, handle, current); - len += smbios_generate_type41_from_devtree(dev, handle, current); - - return len; -} - -static int smbios_walk_device_tree(struct device *tree, int *handle, unsigned long *current) -{ - struct device *dev; - int len = 0; - - for (dev = tree; dev; dev = dev->next) { - if (!dev->enabled) - continue; - - if (dev->ops && dev->ops->get_smbios_data) { - printk(BIOS_INFO, "%s (%s)\n", dev_path(dev), dev_name(dev)); - len += dev->ops->get_smbios_data(dev, handle, current); - } else { - len += get_smbios_data(dev, handle, current); - } - } - return len; -} - -unsigned long smbios_write_tables(unsigned long current) -{ - struct smbios_entry *se; - struct smbios_entry30 *se3; - unsigned long tables; - int len = 0; - int max_struct_size = 0; - int handle = 0; - - current = ALIGN_UP(current, 16); - printk(BIOS_DEBUG, "%s: %08lx\n", __func__, current); - - se = (struct smbios_entry *)current; - current += sizeof(*se); - current = ALIGN_UP(current, 16); - - se3 = (struct smbios_entry30 *)current; - current += sizeof(*se3); - current = ALIGN_UP(current, 16); - - tables = current; - update_max(len, max_struct_size, smbios_write_type0(¤t, handle++)); - update_max(len, max_struct_size, smbios_write_type1(¤t, handle++)); - - /* The chassis handle is the next one */ - update_max(len, max_struct_size, smbios_write_type2(¤t, handle, handle + 1)); - handle++; - update_max(len, max_struct_size, smbios_write_type3(¤t, handle++)); - - struct smbios_type4 *type4 = (struct smbios_type4 *)current; - update_max(len, max_struct_size, smbios_write_type4(¤t, handle++)); - len += smbios_write_type7_cache_parameters(¤t, &handle, &max_struct_size, type4); - update_max(len, max_struct_size, smbios_write_type11(¤t, &handle)); - if (CONFIG(ELOG)) - update_max(len, max_struct_size, - elog_smbios_write_type15(¤t, handle++)); - - const int type16 = handle; - update_max(len, max_struct_size, smbios_write_type16(¤t, &handle)); - const int type17 = handle; - update_max(len, max_struct_size, smbios_write_type17(¤t, &handle, type16)); - const int type19 = handle; - update_max(len, max_struct_size, smbios_write_type19(¤t, &handle, type16)); - update_max(len, max_struct_size, - smbios_write_type20(¤t, &handle, type17, type19)); - update_max(len, max_struct_size, smbios_write_type32(¤t, handle++)); - - update_max(len, max_struct_size, smbios_walk_device_tree(all_devices, - &handle, ¤t)); - - update_max(len, max_struct_size, smbios_write_type127(¤t, handle++)); - - /* Install SMBIOS 2.1 entry point */ - memset(se, 0, sizeof(*se)); - memcpy(se->anchor, "_SM_", 4); - se->length = sizeof(*se); - se->major_version = 3; - se->minor_version = 0; - se->max_struct_size = max_struct_size; - se->struct_count = handle; - memcpy(se->intermediate_anchor_string, "_DMI_", 5); - - se->struct_table_address = (u32)tables; - se->struct_table_length = len; - - se->intermediate_checksum = smbios_checksum((u8 *)se + 0x10, sizeof(*se) - 0x10); - se->checksum = smbios_checksum((u8 *)se, sizeof(*se)); - - /* Install SMBIOS 3.0 entry point */ - memset(se3, 0, sizeof(*se3)); - memcpy(se3->anchor, "_SM3_", 5); - se3->length = sizeof(*se3); - se3->major_version = 3; - se3->minor_version = 0; - - se3->struct_table_address = (u64)tables; - se3->struct_table_length = len; - - se3->checksum = smbios_checksum((u8 *)se3, sizeof(*se3)); - - return current; -} diff --git a/src/include/smbios.h b/src/include/smbios.h index 446652c2a9..f02b48b0c0 100644 --- a/src/include/smbios.h +++ b/src/include/smbios.h @@ -6,6 +6,14 @@ #include <types.h> #include <memory_info.h> +#define update_max(len, max_len, stmt) \ + do { \ + int tmp = stmt; \ + \ + max_len = MAX(max_len, tmp); \ + len += tmp; \ + } while (0) + unsigned long smbios_write_tables(unsigned long start); int smbios_add_string(u8 *start, const char *str); int smbios_string_table_len(u8 *start); @@ -1210,6 +1218,24 @@ struct smbios_type127 { u8 eos[2]; } __packed; +/* Provided to help architecture code */ +int smbios_write_type7(unsigned long *current, + const int handle, + const u8 level, + const u8 sram_type, + const enum smbios_cache_associativity associativity, + const enum smbios_cache_type type, + const size_t max_cache_size, + const size_t cache_size); +enum smbios_cache_associativity smbios_cache_associativity(const u8 num); + +/* Must be defined by architecture code */ +int smbios_write_type4(unsigned long *current, int handle); +int smbios_write_type7_cache_parameters(unsigned long *current, + int *handle, + int *max_struct_size, + struct smbios_type4 *type4); + void smbios_fill_dimm_manufacturer_from_id(uint16_t mod_id, struct smbios_type17 *t); void smbios_fill_dimm_asset_tag(const struct dimm_info *dimm, diff --git a/src/lib/Makefile.inc b/src/lib/Makefile.inc index 35b892a44b..28e8dd39c1 100644 --- a/src/lib/Makefile.inc +++ b/src/lib/Makefile.inc @@ -134,6 +134,8 @@ ramstage-y += prog_ops.c ramstage-y += hardwaremain.c ramstage-y += selfboot.c ramstage-y += coreboot_table.c +ramstage-$(CONFIG_GENERATE_SMBIOS_TABLES) += smbios.c +ramstage-$(CONFIG_GENERATE_SMBIOS_TABLES) += smbios_defaults.c ramstage-y += bootmem.c ramstage-y += fmap.c ramstage-y += memchr.c diff --git a/src/lib/smbios.c b/src/lib/smbios.c new file mode 100644 index 0000000000..3b3360cf2d --- /dev/null +++ b/src/lib/smbios.c @@ -0,0 +1,1283 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <assert.h> +#include <string.h> +#include <smbios.h> +#include <console/console.h> +#include <version.h> +#include <device/device.h> +#include <device/dram/spd.h> +#include <elog.h> +#include <endian.h> +#include <memory_info.h> +#include <spd.h> +#include <cbmem.h> +#include <commonlib/helpers.h> +#include <device/pci_ids.h> +#include <device/pci.h> +#include <device/pci_def.h> +#include <drivers/vpd/vpd.h> +#include <stdlib.h> + +static u8 smbios_checksum(u8 *p, u32 length) +{ + u8 ret = 0; + while (length--) + ret += *p++; + return -ret; +} + +int smbios_add_string(u8 *start, const char *str) +{ + int i = 1; + char *p = (char *)start; + + /* + * Return 0 as required for empty strings. + * See Section 6.1.3 "Text Strings" of the SMBIOS specification. + */ + if (str == NULL || *str == '\0') + return 0; + + for (;;) { + if (!*p) { + strcpy(p, str); + p += strlen(str); + *p++ = '\0'; + *p++ = '\0'; + return i; + } + + if (!strcmp(p, str)) + return i; + + p += strlen(p)+1; + i++; + } +} + +int smbios_string_table_len(u8 *start) +{ + char *p = (char *)start; + int i, len = 0; + + while (*p) { + i = strlen(p) + 1; + p += i; + len += i; + } + + if (!len) + return 2; + + return len + 1; +} + +int smbios_full_table_len(struct smbios_header *header, u8 *str_table_start) +{ + return header->length + smbios_string_table_len(str_table_start); +} + +void *smbios_carve_table(unsigned long start, u8 type, u8 length, u16 handle) +{ + struct smbios_header *t = (struct smbios_header *)start; + + assert(length >= sizeof(*t)); + memset(t, 0, length); + t->type = type; + t->length = length - 2; + t->handle = handle; + return t; +} + +/* this function will fill the corresponding manufacturer */ +void smbios_fill_dimm_manufacturer_from_id(uint16_t mod_id, struct smbios_type17 *t) +{ + const char *const manufacturer = spd_manufacturer_name(mod_id); + + if (manufacturer) { + t->manufacturer = smbios_add_string(t->eos, manufacturer); + } else { + char string_buffer[256]; + + snprintf(string_buffer, sizeof(string_buffer), "Unknown (%x)", mod_id); + t->manufacturer = smbios_add_string(t->eos, string_buffer); + } +} + +static void trim_trailing_whitespace(char *buffer, size_t buffer_size) +{ + size_t len = strnlen(buffer, buffer_size); + + if (len == 0) + return; + + for (char *p = buffer + len - 1; p >= buffer; --p) { + if (*p == ' ') + *p = 0; + else + break; + } +} + +/** This function will fill the corresponding part number */ +static void smbios_fill_dimm_part_number(const char *part_number, struct smbios_type17 *t) +{ + int invalid; + size_t i, len; + char trimmed_part_number[DIMM_INFO_PART_NUMBER_SIZE]; + + strncpy(trimmed_part_number, part_number, sizeof(trimmed_part_number)); + trimmed_part_number[sizeof(trimmed_part_number) - 1] = '\0'; + + /* + * SPD mandates that unused characters be represented with a ' '. + * We don't want to publish the whitespace in the SMBIOS tables. + */ + trim_trailing_whitespace(trimmed_part_number, sizeof(trimmed_part_number)); + + len = strlen(trimmed_part_number); + + invalid = 0; /* assume valid */ + for (i = 0; i < len; i++) { + if (trimmed_part_number[i] < ' ') { + invalid = 1; + trimmed_part_number[i] = '*'; + } + } + + if (len == 0) { + /* Null String in Part Number will have "None" instead. */ + t->part_number = smbios_add_string(t->eos, "None"); + } else if (invalid) { + char string_buffer[sizeof(trimmed_part_number) + 10]; + + snprintf(string_buffer, sizeof(string_buffer), "Invalid (%s)", + trimmed_part_number); + t->part_number = smbios_add_string(t->eos, string_buffer); + } else { + t->part_number = smbios_add_string(t->eos, trimmed_part_number); + } +} + +/* Encodes the SPD serial number into hex */ +static void smbios_fill_dimm_serial_number(const struct dimm_info *dimm, + struct smbios_type17 *t) +{ + char serial[9]; + + snprintf(serial, sizeof(serial), "%02hhx%02hhx%02hhx%02hhx", + dimm->serial[0], dimm->serial[1], dimm->serial[2], dimm->serial[3]); + + t->serial_number = smbios_add_string(t->eos, serial); +} + +static const char *memory_device_type(u8 code) +{ + /* SMBIOS spec 3.6 7.18.2 */ + static const char * const type[] = { + "Other", + "Unknown", + "DRAM", + "EDRAM", + "VRAM", + "SRAM", + "RAM", + "ROM", + "Flash", + "EEPROM", + "FEPROM", + "EPROM", + "CDRAM", + "3DRAM", + "SDRAM", + "SGRAM", + "RDRAM", + "DDR", + "DDR2", + "DDR2 FB-DIMM", + "Reserved", + "Reserved", + "Reserved", + "DDR3", + "FBD2", + "DDR4", /* 0x1A */ + "LPDDR", + "LPDDR2", + "LPDDR3", + "LPDDR4", + "Logical non-volatile device", + "HBM", + "HBM2", + "DDR5", + "LPDDR5", + "HBM3", /* 0x24 */ + }; + + if (code >= MEMORY_TYPE_OTHER && code <= MEMORY_TYPE_HBM3) + return type[code - 1]; + return "Unsupproted"; +} + +static void dump_smbios_type17(struct dimm_info *dimm) +{ + printk(BIOS_INFO, "memory at Channel-%d-DIMM-%d", dimm->channel_num, dimm->dimm_num); + printk(BIOS_INFO, " type is %s\n", memory_device_type(dimm->ddr_type)); + printk(BIOS_INFO, "memory part number is %s\n", dimm->module_part_number); + if (dimm->max_speed_mts != 0) + printk(BIOS_INFO, "memory max speed is %d MT/s\n", dimm->max_speed_mts); + printk(BIOS_INFO, "memory speed is %d MT/s\n", + dimm->configured_speed_mts ? : dimm->ddr_frequency); + printk(BIOS_INFO, "memory size is %d MiB\n", dimm->dimm_size); +} + +static int create_smbios_type17_for_dimm(struct dimm_info *dimm, + unsigned long *current, int *handle, + int type16_handle) +{ + struct spd_info info; + get_spd_info(dimm->ddr_type, dimm->mod_type, &info); + + struct smbios_type17 *t = smbios_carve_table(*current, SMBIOS_MEMORY_DEVICE, + sizeof(*t), *handle); + + t->memory_type = dimm->ddr_type; + if (dimm->configured_speed_mts != 0) + t->clock_speed = dimm->configured_speed_mts; + else + t->clock_speed = dimm->ddr_frequency; + if (dimm->max_speed_mts != 0) + t->speed = dimm->max_speed_mts; + else + t->speed = dimm->ddr_frequency; + if (dimm->dimm_size < 0x7fff) { + t->size = dimm->dimm_size; + } else { + t->size = 0x7fff; + t->extended_size = dimm->dimm_size & 0x7fffffff; + } + t->data_width = 8 * (1 << (dimm->bus_width & 0x7)); + t->total_width = t->data_width + 8 * ((dimm->bus_width & 0x18) >> 3); + t->form_factor = info.form_factor; + + smbios_fill_dimm_manufacturer_from_id(dimm->mod_id, t); + smbios_fill_dimm_serial_number(dimm, t); + smbios_fill_dimm_asset_tag(dimm, t); + smbios_fill_dimm_locator(dimm, t); + + /* put '\0' in the end of data */ + dimm->module_part_number[DIMM_INFO_PART_NUMBER_SIZE - 1] = '\0'; + smbios_fill_dimm_part_number((char *)dimm->module_part_number, t); + + /* Voltage Levels */ + t->configured_voltage = dimm->vdd_voltage; + t->minimum_voltage = dimm->vdd_voltage; + t->maximum_voltage = dimm->vdd_voltage; + + /* Fill in type detail */ + t->type_detail = info.type_detail; + + /* Synchronous = 1 */ + t->type_detail |= MEMORY_TYPE_DETAIL_SYNCHRONOUS; + /* no handle for error information */ + t->memory_error_information_handle = 0xFFFE; + t->attributes = dimm->rank_per_dimm; + t->phys_memory_array_handle = type16_handle; + + *handle += 1; + return smbios_full_table_len(&t->header, t->eos); +} + +static int create_smbios_type17_for_empty_slot(struct dimm_info *dimm, + unsigned long *current, int *handle, + int type16_handle) +{ + struct smbios_type17 *t = smbios_carve_table(*current, SMBIOS_MEMORY_DEVICE, + sizeof(*t), *handle); + t->phys_memory_array_handle = type16_handle; + /* no handle for error information */ + t->memory_error_information_handle = 0xfffe; + t->total_width = 0xffff; /* Unknown */ + t->data_width = 0xffff; /* Unknown */ + t->form_factor = 0x2; /* Unknown */ + smbios_fill_dimm_locator(dimm, t); /* Device and Bank */ + t->memory_type = 0x2; /* Unknown */ + t->type_detail = 0x2; /* Unknown */ + + *handle += 1; + if (CONFIG(DUMP_SMBIOS_TYPE17)) + dump_smbios_type17(dimm); + + return smbios_full_table_len(&t->header, t->eos); +} + +#define VERSION_VPD "firmware_version" +static const char *vpd_get_bios_version(void) +{ + int size; + const char *s; + char *version; + + s = vpd_find(VERSION_VPD, &size, VPD_RO); + if (!s) { + printk(BIOS_ERR, "Find version from VPD %s failed\n", VERSION_VPD); + return NULL; + } + + version = malloc(size + 1); + if (!version) { + printk(BIOS_ERR, "Failed to malloc %d bytes for VPD version\n", size + 1); + return NULL; + } + memcpy(version, s, size); + version[size] = '\0'; + printk(BIOS_DEBUG, "Firmware version %s from VPD %s\n", version, VERSION_VPD); + return version; +} + +static const char *get_bios_version(void) +{ + const char *s; + +#define SPACES \ + " " + + if (CONFIG(CHROMEOS)) + return SPACES; + + if (CONFIG(VPD_SMBIOS_VERSION)) { + s = vpd_get_bios_version(); + if (s != NULL) + return s; + } + + s = smbios_mainboard_bios_version(); + if (s != NULL) + return s; + + if (strlen(CONFIG_LOCALVERSION) != 0) { + printk(BIOS_DEBUG, "BIOS version set to CONFIG_LOCALVERSION: '%s'\n", + CONFIG_LOCALVERSION); + return CONFIG_LOCALVERSION; + } + + printk(BIOS_DEBUG, "SMBIOS firmware version is set to coreboot_version: '%s'\n", + coreboot_version); + return coreboot_version; +} + +static int smbios_write_type0(unsigned long *current, int handle) +{ + struct smbios_type0 *t = smbios_carve_table(*current, SMBIOS_BIOS_INFORMATION, + sizeof(*t), handle); + + t->vendor = smbios_add_string(t->eos, "coreboot"); + t->bios_release_date = smbios_add_string(t->eos, coreboot_dmi_date); + + if (CONFIG(CHROMEOS_NVS)) { + uintptr_t version_address = (uintptr_t)t->eos; + /* SMBIOS offsets start at 1 rather than 0 */ + version_address += (u32)smbios_string_table_len(t->eos) - 1; + smbios_type0_bios_version(version_address); + } + t->bios_version = smbios_add_string(t->eos, get_bios_version()); + uint32_t rom_size = CONFIG_ROM_SIZE; + rom_size = MIN(CONFIG_ROM_SIZE, 16 * MiB); + t->bios_rom_size = (rom_size / 65535) - 1; + + if (CONFIG_ROM_SIZE >= 1 * GiB) + t->extended_bios_rom_size = DIV_ROUND_UP(CONFIG_ROM_SIZE, GiB) | (1 << 14); + else + t->extended_bios_rom_size = DIV_ROUND_UP(CONFIG_ROM_SIZE, MiB); + + t->system_bios_major_release = coreboot_major_revision; + t->system_bios_minor_release = coreboot_minor_revision; + + smbios_ec_revision(&t->ec_major_release, &t->ec_minor_release); + + t->bios_characteristics = + BIOS_CHARACTERISTICS_PCI_SUPPORTED | + BIOS_CHARACTERISTICS_SELECTABLE_BOOT | + BIOS_CHARACTERISTICS_UPGRADEABLE; + + if (CONFIG(CARDBUS_PLUGIN_SUPPORT)) + t->bios_characteristics |= BIOS_CHARACTERISTICS_PC_CARD; + + if (CONFIG(HAVE_ACPI_TABLES)) + t->bios_characteristics_ext1 = BIOS_EXT1_CHARACTERISTICS_ACPI; + + t->bios_characteristics_ext2 = BIOS_EXT2_CHARACTERISTICS_TARGET; + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + return len; +} + +unsigned int __weak smbios_processor_external_clock(void) +{ + return 0; /* Unknown */ +} + +unsigned int __weak smbios_processor_characteristics(void) +{ + return 0; +} + +unsigned int __weak smbios_cache_error_correction_type(u8 level) +{ + return SMBIOS_CACHE_ERROR_CORRECTION_UNKNOWN; +} + +unsigned int __weak smbios_cache_sram_type(void) +{ + return SMBIOS_CACHE_SRAM_TYPE_UNKNOWN; +} + +unsigned int __weak smbios_cache_conf_operation_mode(u8 level) +{ + return SMBIOS_CACHE_OP_MODE_UNKNOWN; /* Unknown */ +} + +/* Returns the processor voltage in 100mV units */ +unsigned int __weak smbios_cpu_get_voltage(void) +{ + return 0; /* Unknown */ +} + +static int smbios_write_type1(unsigned long *current, int handle) +{ + struct smbios_type1 *t = smbios_carve_table(*current, SMBIOS_SYSTEM_INFORMATION, + sizeof(*t), handle); + + t->manufacturer = smbios_add_string(t->eos, smbios_system_manufacturer()); + t->product_name = smbios_add_string(t->eos, smbios_system_product_name()); + t->serial_number = smbios_add_string(t->eos, smbios_system_serial_number()); + t->wakeup_type = smbios_system_wakeup_type(); + t->sku = smbios_add_string(t->eos, smbios_system_sku()); + t->version = smbios_add_string(t->eos, smbios_system_version()); +#ifdef CONFIG_MAINBOARD_FAMILY + t->family = smbios_add_string(t->eos, CONFIG_MAINBOARD_FAMILY); +#endif + smbios_system_set_uuid(t->uuid); + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + return len; +} + +static int smbios_write_type2(unsigned long *current, int handle, const int chassis_handle) +{ + struct smbios_type2 *t = smbios_carve_table(*current, SMBIOS_BOARD_INFORMATION, + sizeof(*t), handle); + + t->manufacturer = smbios_add_string(t->eos, smbios_mainboard_manufacturer()); + t->product_name = smbios_add_string(t->eos, smbios_mainboard_product_name()); + t->serial_number = smbios_add_string(t->eos, smbios_mainboard_serial_number()); + t->version = smbios_add_string(t->eos, smbios_mainboard_version()); + t->asset_tag = smbios_add_string(t->eos, smbios_mainboard_asset_tag()); + t->feature_flags = smbios_mainboard_feature_flags(); + t->location_in_chassis = smbios_add_string(t->eos, + smbios_mainboard_location_in_chassis()); + t->board_type = smbios_mainboard_board_type(); + t->chassis_handle = chassis_handle; + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + return len; +} + +static int smbios_write_type3(unsigned long *current, int handle) +{ + struct smbios_type3 *t = smbios_carve_table(*current, SMBIOS_SYSTEM_ENCLOSURE, + sizeof(*t), handle); + + t->manufacturer = smbios_add_string(t->eos, smbios_system_manufacturer()); + t->bootup_state = SMBIOS_STATE_SAFE; + t->power_supply_state = SMBIOS_STATE_SAFE; + t->thermal_state = SMBIOS_STATE_SAFE; + t->_type = smbios_mainboard_enclosure_type(); + t->security_status = SMBIOS_STATE_SAFE; + t->number_of_power_cords = smbios_chassis_power_cords(); + t->asset_tag_number = smbios_add_string(t->eos, smbios_mainboard_asset_tag()); + t->version = smbios_add_string(t->eos, smbios_chassis_version()); + t->serial_number = smbios_add_string(t->eos, smbios_chassis_serial_number()); + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + return len; +} + +/* + * Write SMBIOS type 7. + * Fill in some fields with constant values, as gathering the information + * from CPUID is impossible. + */ +int smbios_write_type7(unsigned long *current, + const int handle, + const u8 level, + const u8 sram_type, + const enum smbios_cache_associativity associativity, + const enum smbios_cache_type type, + const size_t max_cache_size, + const size_t cache_size) +{ + char buf[8]; + + struct smbios_type7 *t = smbios_carve_table(*current, SMBIOS_CACHE_INFORMATION, + sizeof(*t), handle); + + snprintf(buf, sizeof(buf), "CACHE%x", level); + t->socket_designation = smbios_add_string(t->eos, buf); + + t->cache_configuration = SMBIOS_CACHE_CONF_LEVEL(level) | + SMBIOS_CACHE_CONF_LOCATION(0) | /* Internal */ + SMBIOS_CACHE_CONF_ENABLED(1) | /* Enabled */ + SMBIOS_CACHE_CONF_OPERATION_MODE(smbios_cache_conf_operation_mode(level)); + + if (max_cache_size < (SMBIOS_CACHE_SIZE_MASK * KiB)) { + t->max_cache_size = max_cache_size / KiB; + t->max_cache_size2 = t->max_cache_size; + + t->max_cache_size |= SMBIOS_CACHE_SIZE_UNIT_1KB; + t->max_cache_size2 |= SMBIOS_CACHE_SIZE2_UNIT_1KB; + } else { + if (max_cache_size < (SMBIOS_CACHE_SIZE_MASK * 64 * KiB)) + t->max_cache_size = max_cache_size / (64 * KiB); + else + t->max_cache_size = SMBIOS_CACHE_SIZE_OVERFLOW; + t->max_cache_size2 = max_cache_size / (64 * KiB); + + t->max_cache_size |= SMBIOS_CACHE_SIZE_UNIT_64KB; + t->max_cache_size2 |= SMBIOS_CACHE_SIZE2_UNIT_64KB; + } + + if (cache_size < (SMBIOS_CACHE_SIZE_MASK * KiB)) { + t->installed_size = cache_size / KiB; + t->installed_size2 = t->installed_size; + + t->installed_size |= SMBIOS_CACHE_SIZE_UNIT_1KB; + t->installed_size2 |= SMBIOS_CACHE_SIZE2_UNIT_1KB; + } else { + if (cache_size < (SMBIOS_CACHE_SIZE_MASK * 64 * KiB)) + t->installed_size = cache_size / (64 * KiB); + else + t->installed_size = SMBIOS_CACHE_SIZE_OVERFLOW; + t->installed_size2 = cache_size / (64 * KiB); + + t->installed_size |= SMBIOS_CACHE_SIZE_UNIT_64KB; + t->installed_size2 |= SMBIOS_CACHE_SIZE2_UNIT_64KB; + } + + t->associativity = associativity; + t->supported_sram_type = sram_type; + t->current_sram_type = sram_type; + t->cache_speed = 0; /* Unknown */ + t->error_correction_type = smbios_cache_error_correction_type(level); + t->system_cache_type = type; + + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + return len; +} + +/* Convert the associativity as integer to the SMBIOS enum if available */ +enum smbios_cache_associativity smbios_cache_associativity(const u8 num) +{ + switch (num) { + case 1: + return SMBIOS_CACHE_ASSOCIATIVITY_DIRECT; + case 2: + return SMBIOS_CACHE_ASSOCIATIVITY_2WAY; + case 4: + return SMBIOS_CACHE_ASSOCIATIVITY_4WAY; + case 8: + return SMBIOS_CACHE_ASSOCIATIVITY_8WAY; + case 12: + return SMBIOS_CACHE_ASSOCIATIVITY_12WAY; + case 16: + return SMBIOS_CACHE_ASSOCIATIVITY_16WAY; + case 20: + return SMBIOS_CACHE_ASSOCIATIVITY_20WAY; + case 24: + return SMBIOS_CACHE_ASSOCIATIVITY_24WAY; + case 32: + return SMBIOS_CACHE_ASSOCIATIVITY_32WAY; + case 48: + return SMBIOS_CACHE_ASSOCIATIVITY_48WAY; + case 64: + return SMBIOS_CACHE_ASSOCIATIVITY_64WAY; + case 0xff: + return SMBIOS_CACHE_ASSOCIATIVITY_FULL; + default: + return SMBIOS_CACHE_ASSOCIATIVITY_UNKNOWN; + }; +} + +int smbios_write_type8(unsigned long *current, int *handle, + const struct port_information *port, + size_t num_ports) +{ + unsigned int totallen = 0, i; + + for (i = 0; i < num_ports; i++, port++) { + struct smbios_type8 *t = smbios_carve_table(*current, + SMBIOS_PORT_CONNECTOR_INFORMATION, + sizeof(*t), *handle); + t->internal_reference_designator = + smbios_add_string(t->eos, port->internal_reference_designator); + t->internal_connector_type = port->internal_connector_type; + t->external_reference_designator = + smbios_add_string(t->eos, port->external_reference_designator); + t->external_connector_type = port->external_connector_type; + t->port_type = port->port_type; + *handle += 1; + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + totallen += len; + } + return totallen; +} + +int smbios_write_type9(unsigned long *current, int *handle, + const char *name, const enum misc_slot_type type, + const enum slot_data_bus_bandwidth bandwidth, + const enum misc_slot_usage usage, + const enum misc_slot_length length, + const u16 id, u8 slot_char1, u8 slot_char2, u8 bus, u8 dev_func) +{ + struct smbios_type9 *t = smbios_carve_table(*current, SMBIOS_SYSTEM_SLOTS, + sizeof(*t), *handle); + + t->slot_designation = smbios_add_string(t->eos, name ? name : "SLOT"); + t->slot_type = type; + /* TODO add slot_id supoort, will be "_SUN" for ACPI devices */ + t->slot_id = id; + t->slot_data_bus_width = bandwidth; + t->current_usage = usage; + t->slot_length = length; + t->slot_characteristics_1 = slot_char1; + t->slot_characteristics_2 = slot_char2; + t->segment_group_number = 0; + t->bus_number = bus; + t->device_function_number = dev_func; + t->data_bus_width = SlotDataBusWidthOther; + + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + *handle += 1; + return len; +} + +static int smbios_write_type11(unsigned long *current, int *handle) +{ + struct device *dev; + struct smbios_type11 *t = smbios_carve_table(*current, SMBIOS_OEM_STRINGS, + sizeof(*t), *handle); + + for (dev = all_devices; dev; dev = dev->next) { + if (dev->ops && dev->ops->get_smbios_strings) + dev->ops->get_smbios_strings(dev, t); + } + + if (t->count == 0) { + memset(t, 0, sizeof(*t)); + return 0; + } + + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + (*handle)++; + return len; +} + +static int smbios_write_type16(unsigned long *current, int *handle) +{ + int i; + uint64_t max_capacity; + + struct memory_info *meminfo; + meminfo = cbmem_find(CBMEM_ID_MEMINFO); + if (meminfo == NULL) + return 0; /* can't find mem info in cbmem */ + + printk(BIOS_INFO, "Create SMBIOS type 16\n"); + + if (meminfo->max_capacity_mib == 0 || meminfo->number_of_devices == 0) { + /* Fill in defaults if not provided */ + meminfo->number_of_devices = 0; + meminfo->max_capacity_mib = 0; + for (i = 0; i < meminfo->dimm_cnt && i < ARRAY_SIZE(meminfo->dimm); i++) { + meminfo->max_capacity_mib += meminfo->dimm[i].dimm_size; + meminfo->number_of_devices += !!meminfo->dimm[i].dimm_size; + } + } + + struct smbios_type16 *t = smbios_carve_table(*current, SMBIOS_PHYS_MEMORY_ARRAY, + sizeof(*t), *handle); + + t->location = MEMORY_ARRAY_LOCATION_SYSTEM_BOARD; + t->use = MEMORY_ARRAY_USE_SYSTEM; + t->memory_error_correction = meminfo->ecc_type; + + /* no error information handle available */ + t->memory_error_information_handle = 0xFFFE; + max_capacity = meminfo->max_capacity_mib; + if (max_capacity * (MiB / KiB) < SMBIOS_USE_EXTENDED_MAX_CAPACITY) + t->maximum_capacity = max_capacity * (MiB / KiB); + else { + t->maximum_capacity = SMBIOS_USE_EXTENDED_MAX_CAPACITY; + t->extended_maximum_capacity = max_capacity * MiB; + } + t->number_of_memory_devices = meminfo->number_of_devices; + + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + (*handle)++; + return len; +} + +static int smbios_write_type17(unsigned long *current, int *handle, int type16) +{ + int totallen = 0; + int i; + + struct memory_info *meminfo; + meminfo = cbmem_find(CBMEM_ID_MEMINFO); + if (meminfo == NULL) + return 0; /* can't find mem info in cbmem */ + + printk(BIOS_INFO, "Create SMBIOS type 17\n"); + for (i = 0; i < meminfo->dimm_cnt && i < ARRAY_SIZE(meminfo->dimm); i++) { + struct dimm_info *d = &meminfo->dimm[i]; + /* + * Windows 10 GetPhysicallyInstalledSystemMemory functions reads SMBIOS tables + * type 16 and type 17. The type 17 tables need to point to a type 16 table. + * Otherwise, the physical installed memory size is guessed from the system + * memory map, which results in a slightly smaller value than the actual size. + */ + int len; + if (d->dimm_size > 0) + len = create_smbios_type17_for_dimm(d, current, handle, type16); + else + len = create_smbios_type17_for_empty_slot(d, current, handle, type16); + + *current += len; + totallen += len; + } + return totallen; +} + +static int smbios_write_type19(unsigned long *current, int *handle, int type16) +{ + int i; + + struct memory_info *meminfo; + meminfo = cbmem_find(CBMEM_ID_MEMINFO); + if (meminfo == NULL) + return 0; /* can't find mem info in cbmem */ + + struct smbios_type19 *t = smbios_carve_table(*current, + SMBIOS_MEMORY_ARRAY_MAPPED_ADDRESS, + sizeof(*t), *handle); + + t->memory_array_handle = type16; + + for (i = 0; i < meminfo->dimm_cnt && i < ARRAY_SIZE(meminfo->dimm); i++) { + if (meminfo->dimm[i].dimm_size > 0) { + t->extended_ending_address += meminfo->dimm[i].dimm_size; + t->partition_width++; + } + } + t->extended_ending_address *= MiB; + + /* Check if it fits into regular address */ + if (t->extended_ending_address >= KiB && + t->extended_ending_address < 0x40000000000ULL) { + /* + * FIXME: The starting address is SoC specific, but SMBIOS tables are only + * exported on x86 where it's always 0. + */ + + t->starting_address = 0; + t->ending_address = t->extended_ending_address / KiB - 1; + t->extended_starting_address = ~0; + t->extended_ending_address = ~0; + } else { + t->starting_address = ~0; + t->ending_address = ~0; + t->extended_starting_address = 0; + t->extended_ending_address--; + } + + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + *handle += 1; + return len; +} + +static int smbios_write_type20_table(unsigned long *current, int *handle, u32 addr_start, + u32 addr_end, int type17_handle, int type19_handle) +{ + struct smbios_type20 *t = smbios_carve_table(*current, SMBIOS_MEMORY_DEVICE_MAPPED_ADDRESS, + sizeof(*t), *handle); + + t->memory_device_handle = type17_handle; + t->memory_array_mapped_address_handle = type19_handle; + t->addr_start = addr_start; + t->addr_end = addr_end; + t->partition_row_pos = 0xff; + t->interleave_pos = 0xff; + t->interleave_depth = 0xff; + + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + *handle += 1; + return len; +} + +static int smbios_write_type20(unsigned long *current, int *handle, + int type17_handle, int type19_handle) +{ + u32 start_addr = 0; + int totallen = 0; + int i; + + struct memory_info *meminfo; + meminfo = cbmem_find(CBMEM_ID_MEMINFO); + if (meminfo == NULL) + return 0; /* can't find mem info in cbmem */ + + printk(BIOS_INFO, "Create SMBIOS type 20\n"); + for (i = 0; i < meminfo->dimm_cnt && i < ARRAY_SIZE(meminfo->dimm); i++) { + struct dimm_info *dimm; + dimm = &meminfo->dimm[i]; + if (dimm->dimm_size == 0) + continue; + + u32 end_addr = start_addr + (dimm->dimm_size << 10) - 1; + totallen += smbios_write_type20_table(current, handle, start_addr, end_addr, + type17_handle, type19_handle); + start_addr = end_addr + 1; + } + return totallen; +} + +int smbios_write_type28(unsigned long *current, int *handle, + const char *name, + const enum smbios_temp_location location, + const enum smbios_temp_status status, + u16 max_value, u16 min_value, + u16 resolution, u16 tolerance, + u16 accuracy, + u32 oem, + u16 nominal_value) +{ + struct smbios_type28 *t = smbios_carve_table(*current, SMBIOS_TEMPERATURE_PROBE, + sizeof(*t), *handle); + + t->description = smbios_add_string(t->eos, name ? name : "Temperature"); + t->location_and_status = location | (status << 5); + t->maximum_value = max_value; + t->minimum_value = min_value; + t->resolution = resolution; + t->tolerance = tolerance; + t->accuracy = accuracy; + t->oem_defined = oem; + t->nominal_value = nominal_value; + + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + *handle += 1; + return len; +} + +static int smbios_write_type32(unsigned long *current, int handle) +{ + struct smbios_type32 *t = smbios_carve_table(*current, SMBIOS_SYSTEM_BOOT_INFORMATION, + sizeof(*t), handle); + + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + return len; +} + +int smbios_write_type38(unsigned long *current, int *handle, + const enum smbios_bmc_interface_type interface_type, + const u8 ipmi_rev, const u8 i2c_addr, const u8 nv_addr, + const u64 base_addr, const u8 base_modifier, + const u8 irq) +{ + struct smbios_type38 *t = smbios_carve_table(*current, SMBIOS_IPMI_DEVICE_INFORMATION, + sizeof(*t), *handle); + + t->interface_type = interface_type; + t->ipmi_rev = ipmi_rev; + t->i2c_slave_addr = i2c_addr; + t->nv_storage_addr = nv_addr; + t->base_address = base_addr; + t->base_address_modifier = base_modifier; + t->irq = irq; + + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + *handle += 1; + return len; +} + +int smbios_write_type39(unsigned long *current, int *handle, + u8 unit_group, const char *loc, const char *dev_name, + const char *man, const char *serial_num, + const char *tag_num, const char *part_num, + const char *rev_lvl, u16 max_pow_cap, + const struct power_supply_ch *ps_ch) +{ + struct smbios_type39 *t = smbios_carve_table(*current, + SMBIOS_SYSTEM_POWER_SUPPLY, + sizeof(*t), *handle); + + uint16_t val = 0; + uint16_t ps_type, ps_status, vol_switch, ps_unplug, ps_present, hot_rep; + + t->power_unit_group = unit_group; + t->location = smbios_add_string(t->eos, loc); + t->device_name = smbios_add_string(t->eos, dev_name); + t->manufacturer = smbios_add_string(t->eos, man); + t->serial_number = smbios_add_string(t->eos, serial_num); + t->asset_tag_number = smbios_add_string(t->eos, tag_num); + t->model_part_number = smbios_add_string(t->eos, part_num); + t->revision_level = smbios_add_string(t->eos, rev_lvl); + t->max_power_capacity = max_pow_cap; + + ps_type = ps_ch->power_supply_type & 0xF; + ps_status = ps_ch->power_supply_status & 0x7; + vol_switch = ps_ch->input_voltage_range_switch & 0xF; + ps_unplug = ps_ch->power_supply_unplugged & 0x1; + ps_present = ps_ch->power_supply_present & 0x1; + hot_rep = ps_ch->power_supply_hot_replaceble & 0x1; + + val |= (ps_type << 10); + val |= (ps_status << 7); + val |= (vol_switch << 3); + val |= (ps_unplug << 2); + val |= (ps_present << 1); + val |= hot_rep; + t->power_supply_characteristics = val; + + t->input_voltage_probe_handle = 0xFFFF; + t->cooling_device_handle = 0xFFFF; + t->input_current_probe_handle = 0xFFFF; + + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + *handle += 1; + return len; +} + +int smbios_write_type41(unsigned long *current, int *handle, + const char *name, u8 instance, u16 segment, + u8 bus, u8 device, u8 function, u8 device_type) +{ + struct smbios_type41 *t = smbios_carve_table(*current, + SMBIOS_ONBOARD_DEVICES_EXTENDED_INFORMATION, + sizeof(*t), *handle); + + t->reference_designation = smbios_add_string(t->eos, name); + t->device_type = device_type; + t->device_status = 1; + t->device_type_instance = instance; + t->segment_group_number = segment; + t->bus_number = bus; + t->device_number = device; + t->function_number = function; + + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + *handle += 1; + return len; +} + +int smbios_write_type43(unsigned long *current, int *handle, const u32 vendor_id, + const u8 major_spec_ver, const u8 minor_spec_ver, + const u32 fw_ver1, const u32 fw_ver2, const char *description, + const u64 characteristics, const u32 oem_defined) +{ + struct smbios_type43 *t = smbios_carve_table(*current, SMBIOS_TPM_DEVICE, + sizeof(*t), *handle); + + t->vendor_id = vendor_id; + t->major_spec_ver = major_spec_ver; + t->minor_spec_ver = minor_spec_ver; + t->fw_ver1 = fw_ver1; + t->fw_ver2 = fw_ver2; + t->characteristics = characteristics; + t->oem_defined = oem_defined; + t->description = smbios_add_string(t->eos, description); + + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + *handle += 1; + return len; +} + +static int smbios_write_type127(unsigned long *current, int handle) +{ + struct smbios_type127 *t = smbios_carve_table(*current, SMBIOS_END_OF_TABLE, + sizeof(*t), handle); + + const int len = smbios_full_table_len(&t->header, t->eos); + *current += len; + return len; +} + +/* Get the device type 41 from the dev struct */ +static u8 smbios_get_device_type_from_dev(struct device *dev) +{ + u16 pci_basesubclass = (dev->class >> 8) & 0xFFFF; + + switch (pci_basesubclass) { + case PCI_CLASS_NOT_DEFINED: + return SMBIOS_DEVICE_TYPE_OTHER; + case PCI_CLASS_DISPLAY_VGA: + case PCI_CLASS_DISPLAY_XGA: + case PCI_CLASS_DISPLAY_3D: + case PCI_CLASS_DISPLAY_OTHER: + return SMBIOS_DEVICE_TYPE_VIDEO; + case PCI_CLASS_STORAGE_SCSI: + return SMBIOS_DEVICE_TYPE_SCSI; + case PCI_CLASS_NETWORK_ETHERNET: + return SMBIOS_DEVICE_TYPE_ETHERNET; + case PCI_CLASS_NETWORK_TOKEN_RING: + return SMBIOS_DEVICE_TYPE_TOKEN_RING; + case PCI_CLASS_MULTIMEDIA_VIDEO: + case PCI_CLASS_MULTIMEDIA_AUDIO: + case PCI_CLASS_MULTIMEDIA_PHONE: + case PCI_CLASS_MULTIMEDIA_OTHER: + return SMBIOS_DEVICE_TYPE_SOUND; + case PCI_CLASS_STORAGE_ATA: + return SMBIOS_DEVICE_TYPE_PATA; + case PCI_CLASS_STORAGE_SATA: + return SMBIOS_DEVICE_TYPE_SATA; + case PCI_CLASS_STORAGE_SAS: + return SMBIOS_DEVICE_TYPE_SAS; + default: + return SMBIOS_DEVICE_TYPE_UNKNOWN; + } +} + +static bool smbios_get_type41_instance_id(struct device *dev, u8 device_type, u8 *instance_id) +{ +#if CONFIG(SMBIOS_TYPE41_PROVIDED_BY_DEVTREE) + *instance_id = dev->smbios_instance_id; + return dev->smbios_instance_id_valid; +#else + static u8 type41_inst_cnt[SMBIOS_DEVICE_TYPE_COUNT + 1] = {}; + + if (device_type == SMBIOS_DEVICE_TYPE_OTHER || + device_type == SMBIOS_DEVICE_TYPE_UNKNOWN) + return false; + + if (device_type > SMBIOS_DEVICE_TYPE_COUNT) + return false; + + *instance_id = type41_inst_cnt[device_type]++; + return true; +#endif +} + +static const char *smbios_get_type41_refdes(struct device *dev) +{ +#if CONFIG(SMBIOS_TYPE41_PROVIDED_BY_DEVTREE) + if (dev->smbios_refdes) + return dev->smbios_refdes; +#endif +#if CONFIG(PCI) + return get_pci_subclass_name(dev); +#else + return "???"; +#endif +} + +static int smbios_generate_type41_from_devtree(struct device *dev, int *handle, + unsigned long *current) +{ + if (dev->path.type != DEVICE_PATH_PCI) + return 0; + if (!dev->on_mainboard) + return 0; + + const u8 device_type = smbios_get_device_type_from_dev(dev); + + u8 instance_id; + + if (!smbios_get_type41_instance_id(dev, device_type, &instance_id)) + return 0; + + const char *name = smbios_get_type41_refdes(dev); + + return smbios_write_type41(current, handle, + name, // name + instance_id, // inst + 0, // segment + dev->bus->secondary, //bus + PCI_SLOT(dev->path.pci.devfn), // device + PCI_FUNC(dev->path.pci.devfn), // func + device_type); +} + +static int smbios_generate_type9_from_devtree(struct device *dev, int *handle, + unsigned long *current) +{ + enum misc_slot_usage usage; + enum slot_data_bus_bandwidth bandwidth; + enum misc_slot_type type; + enum misc_slot_length length; + + if (dev->path.type != DEVICE_PATH_PCI) + return 0; + + if (!dev->smbios_slot_type && !dev->smbios_slot_data_width && + !dev->smbios_slot_designation && !dev->smbios_slot_length) + return 0; + + if (dev_is_active_bridge(dev)) + usage = SlotUsageInUse; + else if (dev->enabled) + usage = SlotUsageAvailable; + else + usage = SlotUsageUnknown; + + if (dev->smbios_slot_data_width) + bandwidth = dev->smbios_slot_data_width; + else + bandwidth = SlotDataBusWidthUnknown; + + if (dev->smbios_slot_type) + type = dev->smbios_slot_type; + else + type = SlotTypeUnknown; + + if (dev->smbios_slot_length) + length = dev->smbios_slot_length; + else + length = SlotLengthUnknown; + + return smbios_write_type9(current, handle, + dev->smbios_slot_designation, + type, + bandwidth, + usage, + length, + 0, + 1, + 0, + dev->bus->secondary, + dev->path.pci.devfn); +} + +int get_smbios_data(struct device *dev, int *handle, unsigned long *current) +{ + int len = 0; + + len += smbios_generate_type9_from_devtree(dev, handle, current); + len += smbios_generate_type41_from_devtree(dev, handle, current); + + return len; +} + +static int smbios_walk_device_tree(struct device *tree, int *handle, unsigned long *current) +{ + struct device *dev; + int len = 0; + + for (dev = tree; dev; dev = dev->next) { + if (!dev->enabled) + continue; + + if (dev->ops && dev->ops->get_smbios_data) { + printk(BIOS_INFO, "%s (%s)\n", dev_path(dev), dev_name(dev)); + len += dev->ops->get_smbios_data(dev, handle, current); + } else { + len += get_smbios_data(dev, handle, current); + } + } + return len; +} + +unsigned long smbios_write_tables(unsigned long current) +{ + struct smbios_entry *se; + struct smbios_entry30 *se3; + unsigned long tables; + int len = 0; + int max_struct_size = 0; + int handle = 0; + + current = ALIGN_UP(current, 16); + printk(BIOS_DEBUG, "%s: %08lx\n", __func__, current); + + se = (struct smbios_entry *)current; + current += sizeof(*se); + current = ALIGN_UP(current, 16); + + se3 = (struct smbios_entry30 *)current; + current += sizeof(*se3); + current = ALIGN_UP(current, 16); + + tables = current; + update_max(len, max_struct_size, smbios_write_type0(¤t, handle++)); + update_max(len, max_struct_size, smbios_write_type1(¤t, handle++)); + + /* The chassis handle is the next one */ + update_max(len, max_struct_size, smbios_write_type2(¤t, handle, handle + 1)); + handle++; + update_max(len, max_struct_size, smbios_write_type3(¤t, handle++)); + + struct smbios_type4 *type4 = (struct smbios_type4 *)current; + update_max(len, max_struct_size, smbios_write_type4(¤t, handle++)); + len += smbios_write_type7_cache_parameters(¤t, &handle, &max_struct_size, type4); + update_max(len, max_struct_size, smbios_write_type11(¤t, &handle)); + if (CONFIG(ELOG)) + update_max(len, max_struct_size, + elog_smbios_write_type15(¤t, handle++)); + + const int type16 = handle; + update_max(len, max_struct_size, smbios_write_type16(¤t, &handle)); + const int type17 = handle; + update_max(len, max_struct_size, smbios_write_type17(¤t, &handle, type16)); + const int type19 = handle; + update_max(len, max_struct_size, smbios_write_type19(¤t, &handle, type16)); + update_max(len, max_struct_size, + smbios_write_type20(¤t, &handle, type17, type19)); + update_max(len, max_struct_size, smbios_write_type32(¤t, handle++)); + + update_max(len, max_struct_size, smbios_walk_device_tree(all_devices, + &handle, ¤t)); + + update_max(len, max_struct_size, smbios_write_type127(¤t, handle++)); + + /* Install SMBIOS 2.1 entry point */ + memset(se, 0, sizeof(*se)); + memcpy(se->anchor, "_SM_", 4); + se->length = sizeof(*se); + se->major_version = 3; + se->minor_version = 0; + se->max_struct_size = max_struct_size; + se->struct_count = handle; + memcpy(se->intermediate_anchor_string, "_DMI_", 5); + + se->struct_table_address = (u32)tables; + se->struct_table_length = len; + + se->intermediate_checksum = smbios_checksum((u8 *)se + 0x10, sizeof(*se) - 0x10); + se->checksum = smbios_checksum((u8 *)se, sizeof(*se)); + + /* Install SMBIOS 3.0 entry point */ + memset(se3, 0, sizeof(*se3)); + memcpy(se3->anchor, "_SM3_", 5); + se3->length = sizeof(*se3); + se3->major_version = 3; + se3->minor_version = 0; + + se3->struct_table_address = (u64)tables; + se3->struct_table_length = len; + + se3->checksum = smbios_checksum((u8 *)se3, sizeof(*se3)); + + return current; +} diff --git a/src/arch/x86/smbios_defaults.c b/src/lib/smbios_defaults.c index 8b62ebba14..8b62ebba14 100644 --- a/src/arch/x86/smbios_defaults.c +++ b/src/lib/smbios_defaults.c |