diff mbox series

[v3,19/19] hw: i386: Implement the ACPI builder interface for PC

Message ID 20181029170159.3801-20-sameo@linux.intel.com
State New
Headers show
Series ACPI reorganization for hardware-reduced support | expand

Commit Message

Samuel Ortiz Oct. 29, 2018, 5:01 p.m. UTC
All PC machine type derivatives will use the same ACPI table build
methods. But with that change in place, any new x86 machine type will be
able to re-use the acpi-build API and customize part of it by defining
its own ACPI table build methods.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 hw/i386/acpi-build.c | 15 ++++++++++-----
 hw/i386/pc.c         | 19 +++++++++++++++++++
 2 files changed, 29 insertions(+), 5 deletions(-)

Comments

Paolo Bonzini Oct. 29, 2018, 5:28 p.m. UTC | #1
On 29/10/2018 18:01, Samuel Ortiz wrote:
> @@ -1556,6 +1557,7 @@ void acpi_build(AcpiBuildTables *tables,
>      GArray *tables_blob = tables->table_data;
>      AcpiSlicOem slic_oem = { .id = NULL, .table_id = NULL };
>      Object *vmgenid_dev;
> +    AcpiBuilder *ab = ACPI_BUILDER(machine);
>  
>      acpi_get_pm_info(&pm);
>      acpi_get_misc_info(&misc);
> @@ -1605,7 +1607,8 @@ void acpi_build(AcpiBuildTables *tables,
>      aml_len += tables_blob->len - fadt;
>  
>      acpi_add_table(table_offsets, tables_blob);
> -    build_madt(tables_blob, tables->linker, machine, conf);
> +    acpi_builder_madt(ab, tables_blob, tables->linker,
> +                      machine, conf);
>  
>      vmgenid_dev = find_vmgenid_dev();
>      if (vmgenid_dev) {

Just a quick question before I go and actually apply the patches to look
at the resulting code: is there any reason why you didn't add the
MachineState and/or AcpiBuilder to AcpiBuildState, similar to how it was
in v1?

Thanks,

Paolo
Philippe Mathieu-Daudé Oct. 29, 2018, 9:23 p.m. UTC | #2
On 29/10/18 18:01, Samuel Ortiz wrote:
> All PC machine type derivatives will use the same ACPI table build
> methods. But with that change in place, any new x86 machine type will be
> able to re-use the acpi-build API and customize part of it by defining
> its own ACPI table build methods.
> 
> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
> ---
>   hw/i386/acpi-build.c | 15 ++++++++++-----
>   hw/i386/pc.c         | 19 +++++++++++++++++++
>   2 files changed, 29 insertions(+), 5 deletions(-)
> 
> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> index 5035dac556..d40599e6d1 100644
> --- a/hw/i386/acpi-build.c
> +++ b/hw/i386/acpi-build.c
> @@ -35,6 +35,7 @@
>   #include "hw/acpi/acpi-defs.h"
>   #include "hw/acpi/acpi.h"
>   #include "hw/acpi/cpu.h"
> +#include "hw/acpi/builder.h"
>   #include "hw/nvram/fw_cfg.h"
>   #include "hw/acpi/bios-linker-loader.h"
>   #include "hw/loader.h"
> @@ -1556,6 +1557,7 @@ void acpi_build(AcpiBuildTables *tables,
>       GArray *tables_blob = tables->table_data;
>       AcpiSlicOem slic_oem = { .id = NULL, .table_id = NULL };
>       Object *vmgenid_dev;
> +    AcpiBuilder *ab = ACPI_BUILDER(machine);
>   
>       acpi_get_pm_info(&pm);
>       acpi_get_misc_info(&misc);
> @@ -1605,7 +1607,8 @@ void acpi_build(AcpiBuildTables *tables,
>       aml_len += tables_blob->len - fadt;
>   
>       acpi_add_table(table_offsets, tables_blob);
> -    build_madt(tables_blob, tables->linker, machine, conf);
> +    acpi_builder_madt(ab, tables_blob, tables->linker,
> +                      machine, conf);
>   
>       vmgenid_dev = find_vmgenid_dev();
>       if (vmgenid_dev) {
> @@ -1629,15 +1632,17 @@ void acpi_build(AcpiBuildTables *tables,
>       }
>       if (conf->numa_nodes) {
>           acpi_add_table(table_offsets, tables_blob);
> -        build_srat(tables_blob, tables->linker, machine, conf);
> +
> +        acpi_builder_srat(ab, tables_blob, tables->linker,
> +                          machine, conf);
>           if (have_numa_distance) {
>               acpi_add_table(table_offsets, tables_blob);
> -            build_slit(tables_blob, tables->linker);
> +            acpi_builder_slit(ab, tables_blob, tables->linker);
>           }
>       }
>       if (acpi_get_mcfg(&mcfg)) {
>           acpi_add_table(table_offsets, tables_blob);
> -        build_mcfg(tables_blob, tables->linker, &mcfg);
> +        acpi_builder_mcfg(ab, tables_blob, tables->linker, &mcfg);
>       }
>       if (x86_iommu_get_default()) {
>           IommuType IOMMUType = x86_iommu_get_type();
> @@ -1668,7 +1673,7 @@ void acpi_build(AcpiBuildTables *tables,
>                  slic_oem.id, slic_oem.table_id);
>   
>       /* RSDP is in FSEG memory, so allocate it separately */
> -    build_rsdp_rsdt(tables->rsdp, tables->linker, rsdt);
> +    acpi_builder_rsdp(ab, tables->rsdp, tables->linker, rsdt);
>   
>       /* We'll expose it all to Guest so we want to reduce
>        * chance of size changes.
> diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> index 1dcbbd5139..986ed0eabd 100644
> --- a/hw/i386/pc.c
> +++ b/hw/i386/pc.c
> @@ -64,6 +64,7 @@
>   #include "qemu/option.h"
>   #include "hw/acpi/acpi.h"
>   #include "hw/acpi/cpu_hotplug.h"
> +#include "hw/acpi/builder.h"
>   #include "hw/boards.h"
>   #include "acpi-build.h"
>   #include "hw/mem/pc-dimm.h"
> @@ -75,6 +76,7 @@
>   #include "hw/nmi.h"
>   #include "hw/i386/intel_iommu.h"
>   #include "hw/net/ne2000-isa.h"
> +#include "hw/i386/acpi.h"
>   
>   /* debug PC/ISA interrupts */
>   //#define DEBUG_IRQ
> @@ -2403,12 +2405,20 @@ static void x86_nmi(NMIState *n, int cpu_index, Error **errp)
>       }
>   }
>   
> +static AcpiConfiguration *pc_acpi_configuration(AcpiBuilder *builder)
> +{
> +    PCMachineState *pcms = PC_MACHINE(builder);
> +
> +    return &pcms->acpi_configuration;
> +}
> +
>   static void pc_machine_class_init(ObjectClass *oc, void *data)
>   {
>       MachineClass *mc = MACHINE_CLASS(oc);
>       PCMachineClass *pcmc = PC_MACHINE_CLASS(oc);
>       HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
>       NMIClass *nc = NMI_CLASS(oc);
> +    AcpiBuilderMethods *abm = ACPI_BUILDER_METHODS(oc);
>   
>       pcmc->pci_enabled = true;
>       pcmc->has_acpi_build = true;
> @@ -2443,6 +2453,14 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
>       nc->nmi_monitor_handler = x86_nmi;
>       mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE;
>   
> +    /* ACPI building methods */
> +    abm->madt = build_madt;
> +    abm->rsdp = build_rsdp_rsdt;

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>

> +    abm->mcfg = build_mcfg;
> +    abm->srat = build_srat;
> +    abm->slit = build_slit;
> +    abm->configuration = pc_acpi_configuration;
> +
>       object_class_property_add(oc, MEMORY_DEVICE_REGION_SIZE, "int",
>           pc_machine_get_device_memory_region_size, NULL,
>           NULL, NULL, &error_abort);
> @@ -2494,6 +2512,7 @@ static const TypeInfo pc_machine_info = {
>       .interfaces = (InterfaceInfo[]) {
>            { TYPE_HOTPLUG_HANDLER },
>            { TYPE_NMI },
> +         { TYPE_ACPI_BUILDER },
>            { }
>       },
>   };
>
Samuel Ortiz Oct. 30, 2018, 2:13 p.m. UTC | #3
Hi Paolo,

On Mon, Oct 29, 2018 at 06:28:39PM +0100, Paolo Bonzini wrote:
> On 29/10/2018 18:01, Samuel Ortiz wrote:
> > @@ -1556,6 +1557,7 @@ void acpi_build(AcpiBuildTables *tables,
> >      GArray *tables_blob = tables->table_data;
> >      AcpiSlicOem slic_oem = { .id = NULL, .table_id = NULL };
> >      Object *vmgenid_dev;
> > +    AcpiBuilder *ab = ACPI_BUILDER(machine);
> >  
> >      acpi_get_pm_info(&pm);
> >      acpi_get_misc_info(&misc);
> > @@ -1605,7 +1607,8 @@ void acpi_build(AcpiBuildTables *tables,
> >      aml_len += tables_blob->len - fadt;
> >  
> >      acpi_add_table(table_offsets, tables_blob);
> > -    build_madt(tables_blob, tables->linker, machine, conf);
> > +    acpi_builder_madt(ab, tables_blob, tables->linker,
> > +                      machine, conf);
> >  
> >      vmgenid_dev = find_vmgenid_dev();
> >      if (vmgenid_dev) {
> 
> Just a quick question before I go and actually apply the patches to look
> at the resulting code: is there any reason why you didn't add the
> MachineState and/or AcpiBuilder to AcpiBuildState, similar to how it was
> in v1?
With v1 I was not adding MachineState to AcpiBuildState, I may be
missing your point.
Do you mean adding an AcpiBuilder pointer to AcpiConfiguration?

Cheers,
Samuel.
Paolo Bonzini Oct. 30, 2018, 4:03 p.m. UTC | #4
On 30/10/2018 15:13, Samuel Ortiz wrote:
>> Just a quick question before I go and actually apply the patches to look
>> at the resulting code: is there any reason why you didn't add the
>> MachineState and/or AcpiBuilder to AcpiBuildState, similar to how it was
>> in v1?
>
> With v1 I was not adding MachineState to AcpiBuildState, I may be
> missing your point.
> Do you mean adding an AcpiBuilder pointer to AcpiConfiguration?

No, what I was remembering is the FirmwareBuildState, which you have
removed according to my review.  Sorry, KVM Forum was a bit exhausting. :)

I think adding the MachineState or AcpiBuilder to AcpiBuildState instead
of using qdev_get_machine() makes sense, but it is an independent cleanup.

Paolo
Samuel Ortiz Oct. 31, 2018, 1:02 a.m. UTC | #5
On Tue, Oct 30, 2018 at 05:03:28PM +0100, Paolo Bonzini wrote:
> On 30/10/2018 15:13, Samuel Ortiz wrote:
> >> Just a quick question before I go and actually apply the patches to look
> >> at the resulting code: is there any reason why you didn't add the
> >> MachineState and/or AcpiBuilder to AcpiBuildState, similar to how it was
> >> in v1?
> >
> > With v1 I was not adding MachineState to AcpiBuildState, I may be
> > missing your point.
> > Do you mean adding an AcpiBuilder pointer to AcpiConfiguration?
> 
> No, what I was remembering is the FirmwareBuildState, which you have
> removed according to my review.  Sorry, KVM Forum was a bit exhausting. :)
No worries, it was exhausting indeed :)

Cheers,
Samuel.
diff mbox series

Patch

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 5035dac556..d40599e6d1 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -35,6 +35,7 @@ 
 #include "hw/acpi/acpi-defs.h"
 #include "hw/acpi/acpi.h"
 #include "hw/acpi/cpu.h"
+#include "hw/acpi/builder.h"
 #include "hw/nvram/fw_cfg.h"
 #include "hw/acpi/bios-linker-loader.h"
 #include "hw/loader.h"
@@ -1556,6 +1557,7 @@  void acpi_build(AcpiBuildTables *tables,
     GArray *tables_blob = tables->table_data;
     AcpiSlicOem slic_oem = { .id = NULL, .table_id = NULL };
     Object *vmgenid_dev;
+    AcpiBuilder *ab = ACPI_BUILDER(machine);
 
     acpi_get_pm_info(&pm);
     acpi_get_misc_info(&misc);
@@ -1605,7 +1607,8 @@  void acpi_build(AcpiBuildTables *tables,
     aml_len += tables_blob->len - fadt;
 
     acpi_add_table(table_offsets, tables_blob);
-    build_madt(tables_blob, tables->linker, machine, conf);
+    acpi_builder_madt(ab, tables_blob, tables->linker,
+                      machine, conf);
 
     vmgenid_dev = find_vmgenid_dev();
     if (vmgenid_dev) {
@@ -1629,15 +1632,17 @@  void acpi_build(AcpiBuildTables *tables,
     }
     if (conf->numa_nodes) {
         acpi_add_table(table_offsets, tables_blob);
-        build_srat(tables_blob, tables->linker, machine, conf);
+
+        acpi_builder_srat(ab, tables_blob, tables->linker,
+                          machine, conf);
         if (have_numa_distance) {
             acpi_add_table(table_offsets, tables_blob);
-            build_slit(tables_blob, tables->linker);
+            acpi_builder_slit(ab, tables_blob, tables->linker);
         }
     }
     if (acpi_get_mcfg(&mcfg)) {
         acpi_add_table(table_offsets, tables_blob);
-        build_mcfg(tables_blob, tables->linker, &mcfg);
+        acpi_builder_mcfg(ab, tables_blob, tables->linker, &mcfg);
     }
     if (x86_iommu_get_default()) {
         IommuType IOMMUType = x86_iommu_get_type();
@@ -1668,7 +1673,7 @@  void acpi_build(AcpiBuildTables *tables,
                slic_oem.id, slic_oem.table_id);
 
     /* RSDP is in FSEG memory, so allocate it separately */
-    build_rsdp_rsdt(tables->rsdp, tables->linker, rsdt);
+    acpi_builder_rsdp(ab, tables->rsdp, tables->linker, rsdt);
 
     /* We'll expose it all to Guest so we want to reduce
      * chance of size changes.
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 1dcbbd5139..986ed0eabd 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -64,6 +64,7 @@ 
 #include "qemu/option.h"
 #include "hw/acpi/acpi.h"
 #include "hw/acpi/cpu_hotplug.h"
+#include "hw/acpi/builder.h"
 #include "hw/boards.h"
 #include "acpi-build.h"
 #include "hw/mem/pc-dimm.h"
@@ -75,6 +76,7 @@ 
 #include "hw/nmi.h"
 #include "hw/i386/intel_iommu.h"
 #include "hw/net/ne2000-isa.h"
+#include "hw/i386/acpi.h"
 
 /* debug PC/ISA interrupts */
 //#define DEBUG_IRQ
@@ -2403,12 +2405,20 @@  static void x86_nmi(NMIState *n, int cpu_index, Error **errp)
     }
 }
 
+static AcpiConfiguration *pc_acpi_configuration(AcpiBuilder *builder)
+{
+    PCMachineState *pcms = PC_MACHINE(builder);
+
+    return &pcms->acpi_configuration;
+}
+
 static void pc_machine_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
     PCMachineClass *pcmc = PC_MACHINE_CLASS(oc);
     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
     NMIClass *nc = NMI_CLASS(oc);
+    AcpiBuilderMethods *abm = ACPI_BUILDER_METHODS(oc);
 
     pcmc->pci_enabled = true;
     pcmc->has_acpi_build = true;
@@ -2443,6 +2453,14 @@  static void pc_machine_class_init(ObjectClass *oc, void *data)
     nc->nmi_monitor_handler = x86_nmi;
     mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE;
 
+    /* ACPI building methods */
+    abm->madt = build_madt;
+    abm->rsdp = build_rsdp_rsdt;
+    abm->mcfg = build_mcfg;
+    abm->srat = build_srat;
+    abm->slit = build_slit;
+    abm->configuration = pc_acpi_configuration;
+
     object_class_property_add(oc, MEMORY_DEVICE_REGION_SIZE, "int",
         pc_machine_get_device_memory_region_size, NULL,
         NULL, NULL, &error_abort);
@@ -2494,6 +2512,7 @@  static const TypeInfo pc_machine_info = {
     .interfaces = (InterfaceInfo[]) {
          { TYPE_HOTPLUG_HANDLER },
          { TYPE_NMI },
+         { TYPE_ACPI_BUILDER },
          { }
     },
 };