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


From: Daniel Henrique Barboza
Subject: Re: [PATCH 12/19] get rid of global smbios_ep_type
Date: Mon, 4 Mar 2024 14:38:42 -0300
User-agent: Mozilla Thunderbird



On 2/27/24 12:47, Igor Mammedov wrote:
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---

For hw/riscv/virt.c changes:

Acked-by: Daniel Henrique Barboza <dbarboza@ventanamicro.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;
      }



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