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Re: [PATCH 12/19] get rid of global smbios_ep_type


From: Ani Sinha
Subject: Re: [PATCH 12/19] get rid of global smbios_ep_type
Date: Tue, 5 Mar 2024 14:09:23 +0530 (IST)

please add "smbios:" prefix just like your other patches in the commit
header.

On Tue, 27 Feb 2024, Igor Mammedov wrote:

> Signed-off-by: Igor Mammedov <imammedo@redhat.com>

I have not checked all the code paths for the changed function signatures
and left that instead for the compiler. Assuming the build is fine,

Reviewed-by: Ani Sinha <anisinha@redhat.com>

> ---
>  hw/i386/fw_cfg.h             |  3 ++-
>  include/hw/firmware/smbios.h |  5 +++--
>  hw/arm/virt.c                |  4 ++--
>  hw/i386/fw_cfg.c             |  8 ++++----
>  hw/i386/pc.c                 |  2 +-
>  hw/loongarch/virt.c          |  7 ++++---
>  hw/riscv/virt.c              |  6 +++---
>  hw/smbios/smbios.c           | 27 +++++++++++++++------------
>  hw/smbios/smbios_legacy.c    |  2 +-
>  9 files changed, 35 insertions(+), 29 deletions(-)
>
> diff --git a/hw/i386/fw_cfg.h b/hw/i386/fw_cfg.h
> index 1e1de6b4a3..92e310f5fd 100644
> --- a/hw/i386/fw_cfg.h
> +++ b/hw/i386/fw_cfg.h
> @@ -23,7 +23,8 @@
>  FWCfgState *fw_cfg_arch_create(MachineState *ms,
>                                 uint16_t boot_cpus,
>                                 uint16_t apic_id_limit);
> -void fw_cfg_build_smbios(PCMachineState *ms, FWCfgState *fw_cfg);
> +void fw_cfg_build_smbios(PCMachineState *pcms, FWCfgState *fw_cfg,
> +                         SmbiosEntryPointType ep_type);
>  void fw_cfg_build_feature_control(MachineState *ms, FWCfgState *fw_cfg);
>  void fw_cfg_add_acpi_dsdt(Aml *scope, FWCfgState *fw_cfg);
>
> diff --git a/include/hw/firmware/smbios.h b/include/hw/firmware/smbios.h
> index d1194c9cc2..d59c2f5a13 100644
> --- a/include/hw/firmware/smbios.h
> +++ b/include/hw/firmware/smbios.h
> @@ -310,16 +310,17 @@ struct smbios_type_127 {
>      struct smbios_structure_header header;
>  } QEMU_PACKED;
>
> -bool smbios_validate_table(Error **errp);
> +bool smbios_validate_table(SmbiosEntryPointType ep_type, Error **errp);
>  void smbios_add_usr_blob_size(size_t size);
>  void smbios_entry_add(QemuOpts *opts, Error **errp);
>  void smbios_set_cpuid(uint32_t version, uint32_t features);
>  void smbios_set_defaults(const char *manufacturer, const char *product,
>                           const char *version,
> -                         bool uuid_encoded, SmbiosEntryPointType ep_type);
> +                         bool uuid_encoded);
>  void smbios_set_default_processor_family(uint16_t processor_family);
>  uint8_t *smbios_get_table_legacy(size_t *length, Error **errp);
>  void smbios_get_tables(MachineState *ms,
> +                       SmbiosEntryPointType ep_type,
>                         const struct smbios_phys_mem_area *mem_array,
>                         const unsigned int mem_array_size,
>                         uint8_t **tables, size_t *tables_len,
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index 8588681f27..780224ee5b 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -1634,13 +1634,13 @@ static void virt_build_smbios(VirtMachineState *vms)
>
>      smbios_set_defaults("QEMU", product,
>                          vmc->smbios_old_sys_ver ? "1.0" : mc->name,
> -                        true, SMBIOS_ENTRY_POINT_TYPE_64);
> +                        true);
>
>      /* build the array of physical mem area from base_memmap */
>      mem_array.address = vms->memmap[VIRT_MEM].base;
>      mem_array.length = ms->ram_size;
>
> -    smbios_get_tables(ms, &mem_array, 1,
> +    smbios_get_tables(ms, SMBIOS_ENTRY_POINT_TYPE_64, &mem_array, 1,
>                        &smbios_tables, &smbios_tables_len,
>                        &smbios_anchor, &smbios_anchor_len,
>                        &error_fatal);
> diff --git a/hw/i386/fw_cfg.c b/hw/i386/fw_cfg.c
> index e387bf50d0..d802d2787f 100644
> --- a/hw/i386/fw_cfg.c
> +++ b/hw/i386/fw_cfg.c
> @@ -48,7 +48,8 @@ const char *fw_cfg_arch_key_name(uint16_t key)
>      return NULL;
>  }
>
> -void fw_cfg_build_smbios(PCMachineState *pcms, FWCfgState *fw_cfg)
> +void fw_cfg_build_smbios(PCMachineState *pcms, FWCfgState *fw_cfg,
> +                         SmbiosEntryPointType ep_type)
>  {
>  #ifdef CONFIG_SMBIOS
>      uint8_t *smbios_tables, *smbios_anchor;
> @@ -63,8 +64,7 @@ void fw_cfg_build_smbios(PCMachineState *pcms, FWCfgState 
> *fw_cfg)
>      if (pcmc->smbios_defaults) {
>          /* These values are guest ABI, do not change */
>          smbios_set_defaults("QEMU", mc->desc, mc->name,
> -                            pcmc->smbios_uuid_encoded,
> -                            pcms->smbios_entry_point_type);
> +                            pcmc->smbios_uuid_encoded);
>      }
>
>      /* tell smbios about cpuid version and features */
> @@ -89,7 +89,7 @@ void fw_cfg_build_smbios(PCMachineState *pcms, FWCfgState 
> *fw_cfg)
>              array_count++;
>          }
>      }
> -    smbios_get_tables(ms, mem_array, array_count,
> +    smbios_get_tables(ms, ep_type, mem_array, array_count,
>                        &smbios_tables, &smbios_tables_len,
>                        &smbios_anchor, &smbios_anchor_len,
>                        &error_fatal);
> diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> index f8eb684a49..56562e7d9e 100644
> --- a/hw/i386/pc.c
> +++ b/hw/i386/pc.c
> @@ -689,7 +689,7 @@ void pc_machine_done(Notifier *notifier, void *data)
>
>      acpi_setup();
>      if (x86ms->fw_cfg) {
> -        fw_cfg_build_smbios(pcms, x86ms->fw_cfg);
> +        fw_cfg_build_smbios(pcms, x86ms->fw_cfg, 
> pcms->smbios_entry_point_type);
>          fw_cfg_build_feature_control(MACHINE(pcms), x86ms->fw_cfg);
>          /* update FW_CFG_NB_CPUS to account for -device added CPUs */
>          fw_cfg_modify_i16(x86ms->fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus);
> diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
> index 73fb3522ba..d2ed15da75 100644
> --- a/hw/loongarch/virt.c
> +++ b/hw/loongarch/virt.c
> @@ -320,10 +320,11 @@ static void virt_build_smbios(LoongArchMachineState 
> *lams)
>          return;
>      }
>
> -    smbios_set_defaults("QEMU", product, mc->name,
> -                        true, SMBIOS_ENTRY_POINT_TYPE_64);
> +    smbios_set_defaults("QEMU", product, mc->name, true);
>
> -    smbios_get_tables(ms, NULL, 0, &smbios_tables, &smbios_tables_len,
> +    smbios_get_tables(ms, SMBIOS_ENTRY_POINT_TYPE_64,
> +                      NULL, 0,
> +                      &smbios_tables, &smbios_tables_len,
>                        &smbios_anchor, &smbios_anchor_len, &error_fatal);
>
>      if (smbios_anchor) {
> diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
> index e2c9529df2..b730ff2030 100644
> --- a/hw/riscv/virt.c
> +++ b/hw/riscv/virt.c
> @@ -1235,8 +1235,7 @@ static void virt_build_smbios(RISCVVirtState *s)
>          product = "KVM Virtual Machine";
>      }
>
> -    smbios_set_defaults("QEMU", product, mc->name,
> -                        true, SMBIOS_ENTRY_POINT_TYPE_64);
> +    smbios_set_defaults("QEMU", product, mc->name, true);
>
>      if (riscv_is_32bit(&s->soc[0])) {
>          smbios_set_default_processor_family(0x200);
> @@ -1248,7 +1247,8 @@ static void virt_build_smbios(RISCVVirtState *s)
>      mem_array.address = s->memmap[VIRT_DRAM].base;
>      mem_array.length = ms->ram_size;
>
> -    smbios_get_tables(ms, &mem_array, 1,
> +    smbios_get_tables(ms, SMBIOS_ENTRY_POINT_TYPE_64,
> +                      &mem_array, 1,
>                        &smbios_tables, &smbios_tables_len,
>                        &smbios_anchor, &smbios_anchor_len,
>                        &error_fatal);
> diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
> index d9ba2072b1..5a791fd9eb 100644
> --- a/hw/smbios/smbios.c
> +++ b/hw/smbios/smbios.c
> @@ -43,7 +43,6 @@ uint8_t *smbios_tables;
>  size_t smbios_tables_len;
>  unsigned smbios_table_max;
>  unsigned smbios_table_cnt;
> -static SmbiosEntryPointType smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32;
>
>  static SmbiosEntryPoint ep;
>
> @@ -457,9 +456,9 @@ static bool smbios_check_type4_count(uint32_t 
> expected_t4_count, Error **errp)
>      return true;
>  }
>
> -bool smbios_validate_table(Error **errp)
> +bool smbios_validate_table(SmbiosEntryPointType ep_type, Error **errp)
>  {
> -    if (smbios_ep_type == SMBIOS_ENTRY_POINT_TYPE_32 &&
> +    if (ep_type == SMBIOS_ENTRY_POINT_TYPE_32 &&
>          smbios_tables_len > SMBIOS_21_MAX_TABLES_LEN) {
>          error_setg(errp, "SMBIOS 2.1 table length %zu exceeds %d",
>                     smbios_tables_len, SMBIOS_21_MAX_TABLES_LEN);
> @@ -605,14 +604,15 @@ static void smbios_build_type_3_table(void)
>      SMBIOS_BUILD_TABLE_POST;
>  }
>
> -static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
> +static void smbios_build_type_4_table(MachineState *ms, unsigned instance,
> +                                      SmbiosEntryPointType ep_type)
>  {
>      char sock_str[128];
>      size_t tbl_len = SMBIOS_TYPE_4_LEN_V28;
>      unsigned threads_per_socket;
>      unsigned cores_per_socket;
>
> -    if (smbios_ep_type == SMBIOS_ENTRY_POINT_TYPE_64) {
> +    if (ep_type == SMBIOS_ENTRY_POINT_TYPE_64) {
>          tbl_len = SMBIOS_TYPE_4_LEN_V30;
>      }
>
> @@ -888,11 +888,10 @@ void smbios_set_default_processor_family(uint16_t 
> processor_family)
>
>  void smbios_set_defaults(const char *manufacturer, const char *product,
>                           const char *version,
> -                         bool uuid_encoded, SmbiosEntryPointType ep_type)
> +                         bool uuid_encoded)
>  {
>      smbios_have_defaults = true;
>      smbios_uuid_encoded = uuid_encoded;
> -    smbios_ep_type = ep_type;
>
>      SMBIOS_SET_DEFAULT(smbios_type1.manufacturer, manufacturer);
>      SMBIOS_SET_DEFAULT(smbios_type1.product, product);
> @@ -909,9 +908,9 @@ void smbios_set_defaults(const char *manufacturer, const 
> char *product,
>      SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer);
>  }
>
> -static void smbios_entry_point_setup(void)
> +static void smbios_entry_point_setup(SmbiosEntryPointType ep_type)
>  {
> -    switch (smbios_ep_type) {
> +    switch (ep_type) {
>      case SMBIOS_ENTRY_POINT_TYPE_32:
>          memcpy(ep.ep21.anchor_string, "_SM_", 4);
>          memcpy(ep.ep21.intermediate_anchor_string, "_DMI_", 5);
> @@ -961,6 +960,7 @@ static void smbios_entry_point_setup(void)
>  }
>
>  void smbios_get_tables(MachineState *ms,
> +                       SmbiosEntryPointType ep_type,
>                         const struct smbios_phys_mem_area *mem_array,
>                         const unsigned int mem_array_size,
>                         uint8_t **tables, size_t *tables_len,
> @@ -969,6 +969,9 @@ void smbios_get_tables(MachineState *ms,
>  {
>      unsigned i, dimm_cnt, offset;
>
> +    assert(ep_type == SMBIOS_ENTRY_POINT_TYPE_32 ||
> +           ep_type == SMBIOS_ENTRY_POINT_TYPE_64);
> +
>      g_free(smbios_tables);
>      smbios_tables = g_memdup2(usr_blobs, usr_blobs_len);
>      smbios_tables_len = usr_blobs_len;
> @@ -983,7 +986,7 @@ void smbios_get_tables(MachineState *ms,
>      assert(ms->smp.sockets >= 1);
>
>      for (i = 0; i < ms->smp.sockets; i++) {
> -        smbios_build_type_4_table(ms, i);
> +        smbios_build_type_4_table(ms, i, ep_type);
>      }
>
>      smbios_build_type_8_table();
> @@ -1031,10 +1034,10 @@ void smbios_get_tables(MachineState *ms,
>      if (!smbios_check_type4_count(ms->smp.sockets, errp)) {
>          goto err_exit;
>      }
> -    if (!smbios_validate_table(errp)) {
> +    if (!smbios_validate_table(ep_type, errp)) {
>          goto err_exit;
>      }
> -    smbios_entry_point_setup();
> +    smbios_entry_point_setup(ep_type);
>
>      /* return tables blob and entry point (anchor), and their sizes */
>      *tables = smbios_tables;
> diff --git a/hw/smbios/smbios_legacy.c b/hw/smbios/smbios_legacy.c
> index a6544bf55a..06907cd16c 100644
> --- a/hw/smbios/smbios_legacy.c
> +++ b/hw/smbios/smbios_legacy.c
> @@ -173,7 +173,7 @@ uint8_t *smbios_get_table_legacy(size_t *length, Error 
> **errp)
>
>      smbios_build_type_0_fields();
>      smbios_build_type_1_fields();
> -    if (!smbios_validate_table(errp)) {
> +    if (!smbios_validate_table(SMBIOS_ENTRY_POINT_TYPE_32, errp)) {
>          goto err_exit;
>      }
>
> --
> 2.39.3
>
>




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