diff mbox series

[v5,06/16] hw/i386: Update structures to save the number of nodes per package

Message ID 158326545066.40452.2744012199788458115.stgit@naples-babu.amd.com
State New
Headers show
Series APIC ID fixes for AMD EPYC CPU model | expand

Commit Message

Moger, Babu March 3, 2020, 7:57 p.m. UTC
Update structures X86CPUTopoIDs and CPUX86State to hold the number of
nodes per package. This is required to build EPYC mode topology.

Signed-off-by: Babu Moger <babu.moger@amd.com>
---
 hw/i386/pc.c               |    1 +
 hw/i386/x86.c              |    1 +
 include/hw/i386/topology.h |    1 +
 target/i386/cpu.c          |    1 +
 target/i386/cpu.h          |    1 +
 5 files changed, 5 insertions(+)

Comments

Igor Mammedov March 9, 2020, 2:26 p.m. UTC | #1
On Tue, 03 Mar 2020 13:57:30 -0600
Babu Moger <babu.moger@amd.com> wrote:

> Update structures X86CPUTopoIDs and CPUX86State to hold the number of
> nodes per package. This is required to build EPYC mode topology.
> 
> Signed-off-by: Babu Moger <babu.moger@amd.com>

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

> ---
>  hw/i386/pc.c               |    1 +
>  hw/i386/x86.c              |    1 +
>  include/hw/i386/topology.h |    1 +
>  target/i386/cpu.c          |    1 +
>  target/i386/cpu.h          |    1 +
>  5 files changed, 5 insertions(+)
> 
> diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> index 68bf08f285..3d13cd46d6 100644
> --- a/hw/i386/pc.c
> +++ b/hw/i386/pc.c
> @@ -1526,6 +1526,7 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
>      init_topo_info(&topo_info, x86ms);
>  
>      env->nr_dies = x86ms->smp_dies;
> +    env->nr_nodes = topo_info.nodes_per_pkg;
>  
>      /*
>       * If APIC ID is not set,
> diff --git a/hw/i386/x86.c b/hw/i386/x86.c
> index 79badcc4ec..929b80c9c7 100644
> --- a/hw/i386/x86.c
> +++ b/hw/i386/x86.c
> @@ -62,6 +62,7 @@ inline void init_topo_info(X86CPUTopoInfo *topo_info,
>  {
>      MachineState *ms = MACHINE(x86ms);
>  
> +    topo_info->nodes_per_pkg = ms->numa_state->num_nodes / ms->smp.sockets;
>      topo_info->dies_per_pkg = x86ms->smp_dies;
>      topo_info->cores_per_die = ms->smp.cores;
>      topo_info->threads_per_core = ms->smp.threads;
> diff --git a/include/hw/i386/topology.h b/include/hw/i386/topology.h
> index ba52d49079..04f01e2a09 100644
> --- a/include/hw/i386/topology.h
> +++ b/include/hw/i386/topology.h
> @@ -53,6 +53,7 @@ typedef struct X86CPUTopoIDs {
>  } X86CPUTopoIDs;
>  
>  typedef struct X86CPUTopoInfo {
> +    unsigned nodes_per_pkg;
>      unsigned dies_per_pkg;
>      unsigned cores_per_die;
>      unsigned threads_per_core;
> diff --git a/target/i386/cpu.c b/target/i386/cpu.c
> index 1263271edd..40670f8aca 100644
> --- a/target/i386/cpu.c
> +++ b/target/i386/cpu.c
> @@ -6829,6 +6829,7 @@ static void x86_cpu_initfn(Object *obj)
>      FeatureWord w;
>  
>      env->nr_dies = 1;
> +    env->nr_nodes = 1;
>      cpu_set_cpustate_pointers(cpu);
>  
>      object_property_add(obj, "family", "int",
> diff --git a/target/i386/cpu.h b/target/i386/cpu.h
> index 576f309bbf..20abbda647 100644
> --- a/target/i386/cpu.h
> +++ b/target/i386/cpu.h
> @@ -1607,6 +1607,7 @@ typedef struct CPUX86State {
>      TPRAccess tpr_access_type;
>  
>      unsigned nr_dies;
> +    unsigned nr_nodes;
>  } CPUX86State;
>  
>  struct kvm_msrs;
>
diff mbox series

Patch

diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 68bf08f285..3d13cd46d6 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1526,6 +1526,7 @@  static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
     init_topo_info(&topo_info, x86ms);
 
     env->nr_dies = x86ms->smp_dies;
+    env->nr_nodes = topo_info.nodes_per_pkg;
 
     /*
      * If APIC ID is not set,
diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index 79badcc4ec..929b80c9c7 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -62,6 +62,7 @@  inline void init_topo_info(X86CPUTopoInfo *topo_info,
 {
     MachineState *ms = MACHINE(x86ms);
 
+    topo_info->nodes_per_pkg = ms->numa_state->num_nodes / ms->smp.sockets;
     topo_info->dies_per_pkg = x86ms->smp_dies;
     topo_info->cores_per_die = ms->smp.cores;
     topo_info->threads_per_core = ms->smp.threads;
diff --git a/include/hw/i386/topology.h b/include/hw/i386/topology.h
index ba52d49079..04f01e2a09 100644
--- a/include/hw/i386/topology.h
+++ b/include/hw/i386/topology.h
@@ -53,6 +53,7 @@  typedef struct X86CPUTopoIDs {
 } X86CPUTopoIDs;
 
 typedef struct X86CPUTopoInfo {
+    unsigned nodes_per_pkg;
     unsigned dies_per_pkg;
     unsigned cores_per_die;
     unsigned threads_per_core;
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 1263271edd..40670f8aca 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -6829,6 +6829,7 @@  static void x86_cpu_initfn(Object *obj)
     FeatureWord w;
 
     env->nr_dies = 1;
+    env->nr_nodes = 1;
     cpu_set_cpustate_pointers(cpu);
 
     object_property_add(obj, "family", "int",
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 576f309bbf..20abbda647 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -1607,6 +1607,7 @@  typedef struct CPUX86State {
     TPRAccess tpr_access_type;
 
     unsigned nr_dies;
+    unsigned nr_nodes;
 } CPUX86State;
 
 struct kvm_msrs;