[Qemu-devel] [PATCH v2 09/14] pc: Remove compat fields from PcGuestInfo

[Eduardo Habkost <ehabkost@redhat.com>]

Remove the fields: legacy_acpi_table_size, has_acpi_build,
has_reserved_memory, and rsdp_in_ram from PcGuestInfo, and let
the existing code use the PCMachineClass fields directly.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 hw/i386/acpi-build.c | 10 ++++++----
 hw/i386/pc.c         |  6 +++---
 hw/i386/pc_piix.c    |  5 -----
 hw/i386/pc_q35.c     |  8 --------
 include/hw/i386/pc.h |  4 ----
 5 files changed, 9 insertions(+), 24 deletions(-)

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 82d55bb..46b83ad 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1689,6 +1689,7 @@ static
 void acpi_build(AcpiBuildTables *tables)
 {
     PCMachineState *pcms = PC_MACHINE(qdev_get_machine());
+    PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
     PcGuestInfo *guest_info = &pcms->acpi_guest_info;
     GArray *table_offsets;
     unsigned facs, ssdt, dsdt, rsdt;
@@ -1802,12 +1803,12 @@ void acpi_build(AcpiBuildTables *tables)
      *
      * All this is for PIIX4, since QEMU 2.0 didn't support Q35 migration.
      */
-    if (guest_info->legacy_acpi_table_size) {
+    if (pcmc->legacy_acpi_table_size) {
         /* Subtracting aml_len gives the size of fixed tables.  Then add the
          * size of the PIIX4 DSDT/SSDT in QEMU 2.0.
          */
         int legacy_aml_len =
-            guest_info->legacy_acpi_table_size +
+            pcmc->legacy_acpi_table_size +
             ACPI_BUILD_LEGACY_CPU_AML_SIZE * max_cpus;
         int legacy_table_size =
             ROUND_UP(tables_blob->len - aml_len + legacy_aml_len,
@@ -1900,6 +1901,7 @@ static const VMStateDescription vmstate_acpi_build = {
 void acpi_setup(void)
 {
     PCMachineState *pcms = PC_MACHINE(qdev_get_machine());
+    PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
     PcGuestInfo *guest_info = &pcms->acpi_guest_info;
     AcpiBuildTables tables;
     AcpiBuildState *build_state;
@@ -1909,7 +1911,7 @@ void acpi_setup(void)
         return;
     }
 
-    if (!guest_info->has_acpi_build) {
+    if (!pcmc->has_acpi_build) {
         ACPI_BUILD_DPRINTF("ACPI build disabled. Bailing out.\n");
         return;
     }
@@ -1938,7 +1940,7 @@ void acpi_setup(void)
     fw_cfg_add_file(guest_info->fw_cfg, ACPI_BUILD_TPMLOG_FILE,
                     tables.tcpalog->data, acpi_data_len(tables.tcpalog));
 
-    if (!guest_info->rsdp_in_ram) {
+    if (!pcmc->rsdp_in_ram) {
         /*
          * Keep for compatibility with old machine types.
          * Though RSDP is small, its contents isn't immutable, so
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 14c0116..f8d4531 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1316,7 +1316,7 @@ void pc_memory_init(PCMachineState *pcms,
         e820_add_entry(0x100000000ULL, pcms->above_4g_mem_size, E820_RAM);
     }
 
-    if (!guest_info->has_reserved_memory &&
+    if (!pcmc->has_reserved_memory &&
         (machine->ram_slots ||
          (machine->maxram_size > machine->ram_size))) {
         MachineClass *mc = MACHINE_GET_CLASS(machine);
@@ -1327,7 +1327,7 @@ void pc_memory_init(PCMachineState *pcms,
     }
 
     /* initialize hotplug memory address space */
-    if (guest_info->has_reserved_memory &&
+    if (pcmc->has_reserved_memory &&
         (machine->ram_size < machine->maxram_size)) {
         ram_addr_t hotplug_mem_size =
             machine->maxram_size - machine->ram_size;
@@ -1382,7 +1382,7 @@ void pc_memory_init(PCMachineState *pcms,
 
     rom_set_fw(fw_cfg);
 
-    if (guest_info->has_reserved_memory && pcms->hotplug_memory.base) {
+    if (pcmc->has_reserved_memory && pcms->hotplug_memory.base) {
         uint64_t *val = g_malloc(sizeof(*val));
         PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
         uint64_t res_mem_end = pcms->hotplug_memory.base;
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index f39c086..fe00086 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -142,12 +142,7 @@ static void pc_init1(MachineState *machine,
 
     guest_info = pc_guest_info_init(pcms);
 
-    guest_info->has_acpi_build = pcmc->has_acpi_build;
-    guest_info->legacy_acpi_table_size = pcmc->legacy_acpi_table_size;
-
     guest_info->isapc_ram_fw = !pcmc->pci_enabled;
-    guest_info->has_reserved_memory = pcmc->has_reserved_memory;
-    guest_info->rsdp_in_ram = pcmc->rsdp_in_ram;
 
     if (pcmc->smbios_defaults) {
         MachineClass *mc = MACHINE_GET_CLASS(machine);
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index bb1436e..1f29943 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -133,14 +133,6 @@ static void pc_q35_init(MachineState *machine)
 
     guest_info = pc_guest_info_init(pcms);
     guest_info->isapc_ram_fw = false;
-    guest_info->has_acpi_build = pcmc->has_acpi_build;
-    guest_info->has_reserved_memory = pcmc->has_reserved_memory;
-    guest_info->rsdp_in_ram = pcmc->rsdp_in_ram;
-
-    /* Migration was not supported in 2.0 for Q35, so do not bother
-     * with this hack (see hw/i386/acpi-build.c).
-     */
-    guest_info->legacy_acpi_table_size = 0;
 
     if (pcmc->smbios_defaults) {
         /* These values are guest ABI, do not change */
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 24362ef..d24682f 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -30,10 +30,6 @@ struct PcGuestInfo {
     uint64_t *node_mem;
     uint64_t *node_cpu;
     FWCfgState *fw_cfg;
-    int legacy_acpi_table_size;
-    bool has_acpi_build;
-    bool has_reserved_memory;
-    bool rsdp_in_ram;
 };
 
 /**
-- 
2.1.0