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smbios: get rid of smbios_smp_sockets global
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it makes smbios_validate_table() independent from
smbios_smp_sockets global, which in turn lets
smbios_get_tables() avoid using not related legacy code.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Tested-by: Fiona Ebner <f.ebner@proxmox.com>
Message-Id: <20240314152302.2324164-6-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Igor Mammedov authored and mstsirkin committed Mar 18, 2024
1 parent a7bdf71 commit e94e0a8
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Showing 3 changed files with 11 additions and 15 deletions.
2 changes: 1 addition & 1 deletion hw/i386/fw_cfg.c
Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,7 @@ void fw_cfg_build_smbios(PCMachineState *pcms, FWCfgState *fw_cfg)
/* tell smbios about cpuid version and features */
smbios_set_cpuid(cpu->env.cpuid_version, cpu->env.features[FEAT_1_EDX]);

smbios_tables = smbios_get_table_legacy(ms, &smbios_tables_len);
smbios_tables = smbios_get_table_legacy(ms->smp.cpus, &smbios_tables_len);
if (smbios_tables) {
fw_cfg_add_bytes(fw_cfg, FW_CFG_SMBIOS_ENTRIES,
smbios_tables, smbios_tables_len);
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22 changes: 9 additions & 13 deletions hw/smbios/smbios.c
Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,7 @@ static SmbiosEntryPoint ep;
static int smbios_type4_count = 0;
static bool smbios_immutable;
static bool smbios_have_defaults;
static uint32_t smbios_cpuid_version, smbios_cpuid_features, smbios_smp_sockets;
static uint32_t smbios_cpuid_version, smbios_cpuid_features;

static DECLARE_BITMAP(have_binfile_bitmap, SMBIOS_MAX_TYPE+1);
static DECLARE_BITMAP(have_fields_bitmap, SMBIOS_MAX_TYPE+1);
Expand Down Expand Up @@ -539,14 +539,11 @@ opts_init(smbios_register_config);
*/
#define SMBIOS_21_MAX_TABLES_LEN 0xffff

static void smbios_validate_table(MachineState *ms)
static void smbios_validate_table(uint32_t expected_t4_count)
{
uint32_t expect_t4_count = smbios_legacy ?
ms->smp.cpus : smbios_smp_sockets;

if (smbios_type4_count && smbios_type4_count != expect_t4_count) {
if (smbios_type4_count && smbios_type4_count != expected_t4_count) {
error_report("Expected %d SMBIOS Type 4 tables, got %d instead",
expect_t4_count, smbios_type4_count);
expected_t4_count, smbios_type4_count);
exit(1);
}

Expand Down Expand Up @@ -634,7 +631,7 @@ static void smbios_build_type_1_fields(void)
}
}

uint8_t *smbios_get_table_legacy(MachineState *ms, size_t *length)
uint8_t *smbios_get_table_legacy(uint32_t expected_t4_count, size_t *length)
{
if (!smbios_legacy) {
*length = 0;
Expand All @@ -644,7 +641,7 @@ uint8_t *smbios_get_table_legacy(MachineState *ms, size_t *length)
if (!smbios_immutable) {
smbios_build_type_0_fields();
smbios_build_type_1_fields();
smbios_validate_table(ms);
smbios_validate_table(expected_t4_count);
smbios_immutable = true;
}
*length = smbios_entries_len;
Expand Down Expand Up @@ -1235,10 +1232,9 @@ void smbios_get_tables(MachineState *ms,
smbios_build_type_2_table();
smbios_build_type_3_table();

smbios_smp_sockets = ms->smp.sockets;
assert(smbios_smp_sockets >= 1);
assert(ms->smp.sockets >= 1);

for (i = 0; i < smbios_smp_sockets; i++) {
for (i = 0; i < ms->smp.sockets; i++) {
smbios_build_type_4_table(ms, i);
}

Expand Down Expand Up @@ -1284,7 +1280,7 @@ void smbios_get_tables(MachineState *ms,
smbios_build_type_41_table(errp);
smbios_build_type_127_table();

smbios_validate_table(ms);
smbios_validate_table(ms->smp.sockets);
smbios_entry_point_setup();
smbios_immutable = true;
}
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2 changes: 1 addition & 1 deletion include/hw/firmware/smbios.h
Original file line number Diff line number Diff line change
Expand Up @@ -313,7 +313,7 @@ void smbios_set_defaults(const char *manufacturer, const char *product,
const char *version, bool legacy_mode,
bool uuid_encoded, SmbiosEntryPointType ep_type);
void smbios_set_default_processor_family(uint16_t processor_family);
uint8_t *smbios_get_table_legacy(MachineState *ms, size_t *length);
uint8_t *smbios_get_table_legacy(uint32_t expected_t4_count, size_t *length);
void smbios_get_tables(MachineState *ms,
const struct smbios_phys_mem_area *mem_array,
const unsigned int mem_array_size,
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