For RISC-V the SMBIOS standard requires specific values of the processor
family value depending on the bitness of the CPU.
Add a processor-family option for SMBIOS table 4.
The value of processor-family may exceed 255 and therefore must be provided
in the Processor Family 2 field. Set the Processor Family field to 0xFE
which signals that the Processor Family 2 is used.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
---
v2:
new patch
---
hw/smbios/smbios.c | 13 +++++++++++--
qemu-options.hx | 4 ++--
2 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
index 2a90601ac5..647bc6d603 100644
--- a/hw/smbios/smbios.c
+++ b/hw/smbios/smbios.c
@@ -102,6 +102,7 @@ static struct {
#define DEFAULT_CPU_SPEED 2000
static struct {
+ uint16_t processor_family;
const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
uint64_t max_speed;
uint64_t current_speed;
@@ -110,6 +111,7 @@ static struct {
.max_speed = DEFAULT_CPU_SPEED,
.current_speed = DEFAULT_CPU_SPEED,
.processor_id = 0,
+ .processor_family = 0x01, /* Other */
};
struct type8_instance {
@@ -337,6 +339,10 @@ static const QemuOptDesc qemu_smbios_type4_opts[] = {
.name = "part",
.type = QEMU_OPT_STRING,
.help = "part number",
+ }, {
+ .name = "processor-family",
+ .type = QEMU_OPT_NUMBER,
+ .help = "processor family",
}, {
.name = "processor-id",
.type = QEMU_OPT_NUMBER,
@@ -726,7 +732,7 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
t->processor_type = 0x03; /* CPU */
- t->processor_family = 0x01; /* Other */
+ t->processor_family = 0xfe; /* use Processor Family 2 field */
SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
if (type4.processor_id == 0) {
t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
@@ -758,7 +764,7 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
t->thread_count = (threads_per_socket > 255) ? 0xFF : threads_per_socket;
t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
- t->processor_family2 = cpu_to_le16(0x01); /* Other */
+ t->processor_family2 = cpu_to_le16(type4.processor_family);
if (tbl_len == SMBIOS_TYPE_4_LEN_V30) {
t->core_count2 = t->core_enabled2 = cpu_to_le16(cores_per_socket);
@@ -1402,6 +1408,9 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
return;
}
save_opt(&type4.sock_pfx, opts, "sock_pfx");
+ type4.processor_family = qemu_opt_get_number(opts,
+ "processor-family",
+ 0x01 /* Other */);
save_opt(&type4.manufacturer, opts, "manufacturer");
save_opt(&type4.version, opts, "version");
save_opt(&type4.serial, opts, "serial");
diff --git a/qemu-options.hx b/qemu-options.hx
index b66570ae00..7bdb414345 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2694,7 +2694,7 @@ DEF("smbios", HAS_ARG, QEMU_OPTION_smbios,
" specify SMBIOS type 3 fields\n"
"-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str]\n"
" [,asset=str][,part=str][,max-speed=%d][,current-speed=%d]\n"
- " [,processor-id=%d]\n"
+ " [,processor-family=%d,processor-id=%d]\n"
" specify SMBIOS type 4 fields\n"
"-smbios type=8[,external_reference=str][,internal_reference=str][,connector_type=%d][,port_type=%d]\n"
" specify SMBIOS type 8 fields\n"
@@ -2722,7 +2722,7 @@ SRST
``-smbios type=3[,manufacturer=str][,version=str][,serial=str][,asset=str][,sku=str]``
Specify SMBIOS type 3 fields
-``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-id=%d]``
+``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-family=%d][,processor-id=%d]``
Specify SMBIOS type 4 fields
``-smbios type=11[,value=str][,path=filename]``
--
2.43.0On Fri, Dec 29, 2023 at 01:07:21PM +0100, Heinrich Schuchardt wrote:
> For RISC-V the SMBIOS standard requires specific values of the processor
> family value depending on the bitness of the CPU.
>
> Add a processor-family option for SMBIOS table 4.
>
> The value of processor-family may exceed 255 and therefore must be provided
> in the Processor Family 2 field. Set the Processor Family field to 0xFE
> which signals that the Processor Family 2 is used.
>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
> ---
> v2:
> new patch
> ---
> hw/smbios/smbios.c | 13 +++++++++++--
> qemu-options.hx | 4 ++--
> 2 files changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
> index 2a90601ac5..647bc6d603 100644
> --- a/hw/smbios/smbios.c
> +++ b/hw/smbios/smbios.c
> @@ -102,6 +102,7 @@ static struct {
> #define DEFAULT_CPU_SPEED 2000
>
> static struct {
> + uint16_t processor_family;
> const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
> uint64_t max_speed;
> uint64_t current_speed;
> @@ -110,6 +111,7 @@ static struct {
> .max_speed = DEFAULT_CPU_SPEED,
> .current_speed = DEFAULT_CPU_SPEED,
> .processor_id = 0,
> + .processor_family = 0x01, /* Other */
> };
>
> struct type8_instance {
> @@ -337,6 +339,10 @@ static const QemuOptDesc qemu_smbios_type4_opts[] = {
> .name = "part",
> .type = QEMU_OPT_STRING,
> .help = "part number",
> + }, {
> + .name = "processor-family",
> + .type = QEMU_OPT_NUMBER,
> + .help = "processor family",
> }, {
> .name = "processor-id",
> .type = QEMU_OPT_NUMBER,
> @@ -726,7 +732,7 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
> snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
> SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
> t->processor_type = 0x03; /* CPU */
> - t->processor_family = 0x01; /* Other */
> + t->processor_family = 0xfe; /* use Processor Family 2 field */
> SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
> if (type4.processor_id == 0) {
> t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
> @@ -758,7 +764,7 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
> t->thread_count = (threads_per_socket > 255) ? 0xFF : threads_per_socket;
>
> t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
> - t->processor_family2 = cpu_to_le16(0x01); /* Other */
> + t->processor_family2 = cpu_to_le16(type4.processor_family);
>
> if (tbl_len == SMBIOS_TYPE_4_LEN_V30) {
> t->core_count2 = t->core_enabled2 = cpu_to_le16(cores_per_socket);
> @@ -1402,6 +1408,9 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
> return;
> }
> save_opt(&type4.sock_pfx, opts, "sock_pfx");
> + type4.processor_family = qemu_opt_get_number(opts,
> + "processor-family",
> + 0x01 /* Other */);
> save_opt(&type4.manufacturer, opts, "manufacturer");
> save_opt(&type4.version, opts, "version");
> save_opt(&type4.serial, opts, "serial");
> diff --git a/qemu-options.hx b/qemu-options.hx
> index b66570ae00..7bdb414345 100644
> --- a/qemu-options.hx
> +++ b/qemu-options.hx
> @@ -2694,7 +2694,7 @@ DEF("smbios", HAS_ARG, QEMU_OPTION_smbios,
> " specify SMBIOS type 3 fields\n"
> "-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str]\n"
> " [,asset=str][,part=str][,max-speed=%d][,current-speed=%d]\n"
> - " [,processor-id=%d]\n"
> + " [,processor-family=%d,processor-id=%d]\n"
> " specify SMBIOS type 4 fields\n"
> "-smbios type=8[,external_reference=str][,internal_reference=str][,connector_type=%d][,port_type=%d]\n"
> " specify SMBIOS type 8 fields\n"
> @@ -2722,7 +2722,7 @@ SRST
> ``-smbios type=3[,manufacturer=str][,version=str][,serial=str][,asset=str][,sku=str]``
> Specify SMBIOS type 3 fields
>
> -``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-id=%d]``
> +``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-family=%d][,processor-id=%d]``
> Specify SMBIOS type 4 fields
>
> ``-smbios type=11[,value=str][,path=filename]``
> --
> 2.43.0
>
>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
On Fri, Dec 29, 2023 at 10:48 PM Heinrich Schuchardt
<heinrich.schuchardt@canonical.com> wrote:
>
> For RISC-V the SMBIOS standard requires specific values of the processor
> family value depending on the bitness of the CPU.
>
> Add a processor-family option for SMBIOS table 4.
>
> The value of processor-family may exceed 255 and therefore must be provided
> in the Processor Family 2 field. Set the Processor Family field to 0xFE
> which signals that the Processor Family 2 is used.
>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Alistair
> ---
> v2:
> new patch
> ---
> hw/smbios/smbios.c | 13 +++++++++++--
> qemu-options.hx | 4 ++--
> 2 files changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
> index 2a90601ac5..647bc6d603 100644
> --- a/hw/smbios/smbios.c
> +++ b/hw/smbios/smbios.c
> @@ -102,6 +102,7 @@ static struct {
> #define DEFAULT_CPU_SPEED 2000
>
> static struct {
> + uint16_t processor_family;
> const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
> uint64_t max_speed;
> uint64_t current_speed;
> @@ -110,6 +111,7 @@ static struct {
> .max_speed = DEFAULT_CPU_SPEED,
> .current_speed = DEFAULT_CPU_SPEED,
> .processor_id = 0,
> + .processor_family = 0x01, /* Other */
> };
>
> struct type8_instance {
> @@ -337,6 +339,10 @@ static const QemuOptDesc qemu_smbios_type4_opts[] = {
> .name = "part",
> .type = QEMU_OPT_STRING,
> .help = "part number",
> + }, {
> + .name = "processor-family",
> + .type = QEMU_OPT_NUMBER,
> + .help = "processor family",
> }, {
> .name = "processor-id",
> .type = QEMU_OPT_NUMBER,
> @@ -726,7 +732,7 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
> snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
> SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
> t->processor_type = 0x03; /* CPU */
> - t->processor_family = 0x01; /* Other */
> + t->processor_family = 0xfe; /* use Processor Family 2 field */
> SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
> if (type4.processor_id == 0) {
> t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
> @@ -758,7 +764,7 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
> t->thread_count = (threads_per_socket > 255) ? 0xFF : threads_per_socket;
>
> t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
> - t->processor_family2 = cpu_to_le16(0x01); /* Other */
> + t->processor_family2 = cpu_to_le16(type4.processor_family);
>
> if (tbl_len == SMBIOS_TYPE_4_LEN_V30) {
> t->core_count2 = t->core_enabled2 = cpu_to_le16(cores_per_socket);
> @@ -1402,6 +1408,9 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
> return;
> }
> save_opt(&type4.sock_pfx, opts, "sock_pfx");
> + type4.processor_family = qemu_opt_get_number(opts,
> + "processor-family",
> + 0x01 /* Other */);
> save_opt(&type4.manufacturer, opts, "manufacturer");
> save_opt(&type4.version, opts, "version");
> save_opt(&type4.serial, opts, "serial");
> diff --git a/qemu-options.hx b/qemu-options.hx
> index b66570ae00..7bdb414345 100644
> --- a/qemu-options.hx
> +++ b/qemu-options.hx
> @@ -2694,7 +2694,7 @@ DEF("smbios", HAS_ARG, QEMU_OPTION_smbios,
> " specify SMBIOS type 3 fields\n"
> "-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str]\n"
> " [,asset=str][,part=str][,max-speed=%d][,current-speed=%d]\n"
> - " [,processor-id=%d]\n"
> + " [,processor-family=%d,processor-id=%d]\n"
> " specify SMBIOS type 4 fields\n"
> "-smbios type=8[,external_reference=str][,internal_reference=str][,connector_type=%d][,port_type=%d]\n"
> " specify SMBIOS type 8 fields\n"
> @@ -2722,7 +2722,7 @@ SRST
> ``-smbios type=3[,manufacturer=str][,version=str][,serial=str][,asset=str][,sku=str]``
> Specify SMBIOS type 3 fields
>
> -``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-id=%d]``
> +``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-family=%d][,processor-id=%d]``
> Specify SMBIOS type 4 fields
>
> ``-smbios type=11[,value=str][,path=filename]``
> --
> 2.43.0
>
>
On Fri, Dec 29, 2023 at 10:48 PM Heinrich Schuchardt
<heinrich.schuchardt@canonical.com> wrote:
>
> For RISC-V the SMBIOS standard requires specific values of the processor
> family value depending on the bitness of the CPU.
Can you provide some details of where this is described? I can't seem to find it
Alistair
>
> Add a processor-family option for SMBIOS table 4.
>
> The value of processor-family may exceed 255 and therefore must be provided
> in the Processor Family 2 field. Set the Processor Family field to 0xFE
> which signals that the Processor Family 2 is used.
>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
> ---
> v2:
> new patch
> ---
> hw/smbios/smbios.c | 13 +++++++++++--
> qemu-options.hx | 4 ++--
> 2 files changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
> index 2a90601ac5..647bc6d603 100644
> --- a/hw/smbios/smbios.c
> +++ b/hw/smbios/smbios.c
> @@ -102,6 +102,7 @@ static struct {
> #define DEFAULT_CPU_SPEED 2000
>
> static struct {
> + uint16_t processor_family;
> const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
> uint64_t max_speed;
> uint64_t current_speed;
> @@ -110,6 +111,7 @@ static struct {
> .max_speed = DEFAULT_CPU_SPEED,
> .current_speed = DEFAULT_CPU_SPEED,
> .processor_id = 0,
> + .processor_family = 0x01, /* Other */
> };
>
> struct type8_instance {
> @@ -337,6 +339,10 @@ static const QemuOptDesc qemu_smbios_type4_opts[] = {
> .name = "part",
> .type = QEMU_OPT_STRING,
> .help = "part number",
> + }, {
> + .name = "processor-family",
> + .type = QEMU_OPT_NUMBER,
> + .help = "processor family",
> }, {
> .name = "processor-id",
> .type = QEMU_OPT_NUMBER,
> @@ -726,7 +732,7 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
> snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
> SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
> t->processor_type = 0x03; /* CPU */
> - t->processor_family = 0x01; /* Other */
> + t->processor_family = 0xfe; /* use Processor Family 2 field */
> SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
> if (type4.processor_id == 0) {
> t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
> @@ -758,7 +764,7 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
> t->thread_count = (threads_per_socket > 255) ? 0xFF : threads_per_socket;
>
> t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
> - t->processor_family2 = cpu_to_le16(0x01); /* Other */
> + t->processor_family2 = cpu_to_le16(type4.processor_family);
>
> if (tbl_len == SMBIOS_TYPE_4_LEN_V30) {
> t->core_count2 = t->core_enabled2 = cpu_to_le16(cores_per_socket);
> @@ -1402,6 +1408,9 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
> return;
> }
> save_opt(&type4.sock_pfx, opts, "sock_pfx");
> + type4.processor_family = qemu_opt_get_number(opts,
> + "processor-family",
> + 0x01 /* Other */);
> save_opt(&type4.manufacturer, opts, "manufacturer");
> save_opt(&type4.version, opts, "version");
> save_opt(&type4.serial, opts, "serial");
> diff --git a/qemu-options.hx b/qemu-options.hx
> index b66570ae00..7bdb414345 100644
> --- a/qemu-options.hx
> +++ b/qemu-options.hx
> @@ -2694,7 +2694,7 @@ DEF("smbios", HAS_ARG, QEMU_OPTION_smbios,
> " specify SMBIOS type 3 fields\n"
> "-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str]\n"
> " [,asset=str][,part=str][,max-speed=%d][,current-speed=%d]\n"
> - " [,processor-id=%d]\n"
> + " [,processor-family=%d,processor-id=%d]\n"
> " specify SMBIOS type 4 fields\n"
> "-smbios type=8[,external_reference=str][,internal_reference=str][,connector_type=%d][,port_type=%d]\n"
> " specify SMBIOS type 8 fields\n"
> @@ -2722,7 +2722,7 @@ SRST
> ``-smbios type=3[,manufacturer=str][,version=str][,serial=str][,asset=str][,sku=str]``
> Specify SMBIOS type 3 fields
>
> -``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-id=%d]``
> +``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-family=%d][,processor-id=%d]``
> Specify SMBIOS type 4 fields
>
> ``-smbios type=11[,value=str][,path=filename]``
> --
> 2.43.0
>
>
On 1/5/24 06:24, Alistair Francis wrote:
> On Fri, Dec 29, 2023 at 10:48 PM Heinrich Schuchardt
> <heinrich.schuchardt@canonical.com> wrote:
>>
>> For RISC-V the SMBIOS standard requires specific values of the processor
>> family value depending on the bitness of the CPU.
>
> Can you provide some details of where this is described? I can't seem to find it
>
> Alistair
System Management BIOS (SMBIOS) Reference Specification 3.7.0 (DSP0134)
https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.7.0.pdf
7.5.2 Processor Information — Processor Family
Table 23 – Processor Information: Processor Family field
200h 512 RISC-V RV32
201h 513 RISC-V RV64
202h 514 RISC-V RV128
While for other architectures values for different CPU generations have
been defined the values for RISC-V only depend on the bitness.
Best regards
Heinrich
>
>>
>> Add a processor-family option for SMBIOS table 4.
>>
>> The value of processor-family may exceed 255 and therefore must be provided
>> in the Processor Family 2 field. Set the Processor Family field to 0xFE
>> which signals that the Processor Family 2 is used.
>>
>> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
>> ---
>> v2:
>> new patch
>> ---
>> hw/smbios/smbios.c | 13 +++++++++++--
>> qemu-options.hx | 4 ++--
>> 2 files changed, 13 insertions(+), 4 deletions(-)
>>
>> diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
>> index 2a90601ac5..647bc6d603 100644
>> --- a/hw/smbios/smbios.c
>> +++ b/hw/smbios/smbios.c
>> @@ -102,6 +102,7 @@ static struct {
>> #define DEFAULT_CPU_SPEED 2000
>>
>> static struct {
>> + uint16_t processor_family;
>> const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
>> uint64_t max_speed;
>> uint64_t current_speed;
>> @@ -110,6 +111,7 @@ static struct {
>> .max_speed = DEFAULT_CPU_SPEED,
>> .current_speed = DEFAULT_CPU_SPEED,
>> .processor_id = 0,
>> + .processor_family = 0x01, /* Other */
>> };
>>
>> struct type8_instance {
>> @@ -337,6 +339,10 @@ static const QemuOptDesc qemu_smbios_type4_opts[] = {
>> .name = "part",
>> .type = QEMU_OPT_STRING,
>> .help = "part number",
>> + }, {
>> + .name = "processor-family",
>> + .type = QEMU_OPT_NUMBER,
>> + .help = "processor family",
>> }, {
>> .name = "processor-id",
>> .type = QEMU_OPT_NUMBER,
>> @@ -726,7 +732,7 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
>> snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
>> SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
>> t->processor_type = 0x03; /* CPU */
>> - t->processor_family = 0x01; /* Other */
>> + t->processor_family = 0xfe; /* use Processor Family 2 field */
>> SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
>> if (type4.processor_id == 0) {
>> t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
>> @@ -758,7 +764,7 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
>> t->thread_count = (threads_per_socket > 255) ? 0xFF : threads_per_socket;
>>
>> t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
>> - t->processor_family2 = cpu_to_le16(0x01); /* Other */
>> + t->processor_family2 = cpu_to_le16(type4.processor_family);
>>
>> if (tbl_len == SMBIOS_TYPE_4_LEN_V30) {
>> t->core_count2 = t->core_enabled2 = cpu_to_le16(cores_per_socket);
>> @@ -1402,6 +1408,9 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
>> return;
>> }
>> save_opt(&type4.sock_pfx, opts, "sock_pfx");
>> + type4.processor_family = qemu_opt_get_number(opts,
>> + "processor-family",
>> + 0x01 /* Other */);
>> save_opt(&type4.manufacturer, opts, "manufacturer");
>> save_opt(&type4.version, opts, "version");
>> save_opt(&type4.serial, opts, "serial");
>> diff --git a/qemu-options.hx b/qemu-options.hx
>> index b66570ae00..7bdb414345 100644
>> --- a/qemu-options.hx
>> +++ b/qemu-options.hx
>> @@ -2694,7 +2694,7 @@ DEF("smbios", HAS_ARG, QEMU_OPTION_smbios,
>> " specify SMBIOS type 3 fields\n"
>> "-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str]\n"
>> " [,asset=str][,part=str][,max-speed=%d][,current-speed=%d]\n"
>> - " [,processor-id=%d]\n"
>> + " [,processor-family=%d,processor-id=%d]\n"
>> " specify SMBIOS type 4 fields\n"
>> "-smbios type=8[,external_reference=str][,internal_reference=str][,connector_type=%d][,port_type=%d]\n"
>> " specify SMBIOS type 8 fields\n"
>> @@ -2722,7 +2722,7 @@ SRST
>> ``-smbios type=3[,manufacturer=str][,version=str][,serial=str][,asset=str][,sku=str]``
>> Specify SMBIOS type 3 fields
>>
>> -``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-id=%d]``
>> +``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-family=%d][,processor-id=%d]``
>> Specify SMBIOS type 4 fields
>>
>> ``-smbios type=11[,value=str][,path=filename]``
>> --
>> 2.43.0
>>
>>
On Fri, Jan 5, 2024 at 3:44 PM Heinrich Schuchardt
<heinrich.schuchardt@canonical.com> wrote:
>
> On 1/5/24 06:24, Alistair Francis wrote:
> > On Fri, Dec 29, 2023 at 10:48 PM Heinrich Schuchardt
> > <heinrich.schuchardt@canonical.com> wrote:
> >>
> >> For RISC-V the SMBIOS standard requires specific values of the processor
> >> family value depending on the bitness of the CPU.
> >
> > Can you provide some details of where this is described? I can't seem to find it
> >
> > Alistair
>
> System Management BIOS (SMBIOS) Reference Specification 3.7.0 (DSP0134)
> https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.7.0.pdf
> 7.5.2 Processor Information — Processor Family
> Table 23 – Processor Information: Processor Family field
>
> 200h 512 RISC-V RV32
> 201h 513 RISC-V RV64
> 202h 514 RISC-V RV128
>
> While for other architectures values for different CPU generations have
> been defined the values for RISC-V only depend on the bitness.
Ah, I first read the commit message as saying this is RISC-V specific,
which I couldn't find in the spec.
I now realise you just mean it's important for RISC-V
Alistair
>
> Best regards
>
> Heinrich
>
> >
> >>
> >> Add a processor-family option for SMBIOS table 4.
> >>
> >> The value of processor-family may exceed 255 and therefore must be provided
> >> in the Processor Family 2 field. Set the Processor Family field to 0xFE
> >> which signals that the Processor Family 2 is used.
> >>
> >> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
> >> ---
> >> v2:
> >> new patch
> >> ---
> >> hw/smbios/smbios.c | 13 +++++++++++--
> >> qemu-options.hx | 4 ++--
> >> 2 files changed, 13 insertions(+), 4 deletions(-)
> >>
> >> diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
> >> index 2a90601ac5..647bc6d603 100644
> >> --- a/hw/smbios/smbios.c
> >> +++ b/hw/smbios/smbios.c
> >> @@ -102,6 +102,7 @@ static struct {
> >> #define DEFAULT_CPU_SPEED 2000
> >>
> >> static struct {
> >> + uint16_t processor_family;
> >> const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
> >> uint64_t max_speed;
> >> uint64_t current_speed;
> >> @@ -110,6 +111,7 @@ static struct {
> >> .max_speed = DEFAULT_CPU_SPEED,
> >> .current_speed = DEFAULT_CPU_SPEED,
> >> .processor_id = 0,
> >> + .processor_family = 0x01, /* Other */
> >> };
> >>
> >> struct type8_instance {
> >> @@ -337,6 +339,10 @@ static const QemuOptDesc qemu_smbios_type4_opts[] = {
> >> .name = "part",
> >> .type = QEMU_OPT_STRING,
> >> .help = "part number",
> >> + }, {
> >> + .name = "processor-family",
> >> + .type = QEMU_OPT_NUMBER,
> >> + .help = "processor family",
> >> }, {
> >> .name = "processor-id",
> >> .type = QEMU_OPT_NUMBER,
> >> @@ -726,7 +732,7 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
> >> snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
> >> SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
> >> t->processor_type = 0x03; /* CPU */
> >> - t->processor_family = 0x01; /* Other */
> >> + t->processor_family = 0xfe; /* use Processor Family 2 field */
> >> SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
> >> if (type4.processor_id == 0) {
> >> t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
> >> @@ -758,7 +764,7 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
> >> t->thread_count = (threads_per_socket > 255) ? 0xFF : threads_per_socket;
> >>
> >> t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
> >> - t->processor_family2 = cpu_to_le16(0x01); /* Other */
> >> + t->processor_family2 = cpu_to_le16(type4.processor_family);
> >>
> >> if (tbl_len == SMBIOS_TYPE_4_LEN_V30) {
> >> t->core_count2 = t->core_enabled2 = cpu_to_le16(cores_per_socket);
> >> @@ -1402,6 +1408,9 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
> >> return;
> >> }
> >> save_opt(&type4.sock_pfx, opts, "sock_pfx");
> >> + type4.processor_family = qemu_opt_get_number(opts,
> >> + "processor-family",
> >> + 0x01 /* Other */);
> >> save_opt(&type4.manufacturer, opts, "manufacturer");
> >> save_opt(&type4.version, opts, "version");
> >> save_opt(&type4.serial, opts, "serial");
> >> diff --git a/qemu-options.hx b/qemu-options.hx
> >> index b66570ae00..7bdb414345 100644
> >> --- a/qemu-options.hx
> >> +++ b/qemu-options.hx
> >> @@ -2694,7 +2694,7 @@ DEF("smbios", HAS_ARG, QEMU_OPTION_smbios,
> >> " specify SMBIOS type 3 fields\n"
> >> "-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str]\n"
> >> " [,asset=str][,part=str][,max-speed=%d][,current-speed=%d]\n"
> >> - " [,processor-id=%d]\n"
> >> + " [,processor-family=%d,processor-id=%d]\n"
> >> " specify SMBIOS type 4 fields\n"
> >> "-smbios type=8[,external_reference=str][,internal_reference=str][,connector_type=%d][,port_type=%d]\n"
> >> " specify SMBIOS type 8 fields\n"
> >> @@ -2722,7 +2722,7 @@ SRST
> >> ``-smbios type=3[,manufacturer=str][,version=str][,serial=str][,asset=str][,sku=str]``
> >> Specify SMBIOS type 3 fields
> >>
> >> -``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-id=%d]``
> >> +``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-family=%d][,processor-id=%d]``
> >> Specify SMBIOS type 4 fields
> >>
> >> ``-smbios type=11[,value=str][,path=filename]``
> >> --
> >> 2.43.0
> >>
> >>
>
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