ppc/pnv: add a PnvICPState object

This provides a new ICPState object for the PowerNV machine (POWER8).
Access to the Interrupt Management area is done though a memory
region. It contains the registers of the Interrupt Control Presenters
of each thread which are used to accept, return, forward interrupts in
the system.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

1 files changed, 12 insertions, 0 deletions

diff --git a/include/hw/ppc/xics.h b/include/hw/ppc/xics.h
index 731e1779f1..c215dc72a4 100644
--- a/include/hw/ppc/xics.h
+++ b/include/hw/ppc/xics.h
@@ -41,10 +41,12 @@
  */
 typedef struct ICPStateClass ICPStateClass;
 typedef struct ICPState ICPState;
+typedef struct PnvICPState PnvICPState;
 typedef struct ICSStateClass ICSStateClass;
 typedef struct ICSState ICSState;
 typedef struct ICSIRQState ICSIRQState;
 typedef struct XICSFabric XICSFabric;
+typedef struct PowerPCCPU PowerPCCPU;
 
 #define TYPE_ICP "icp"
 #define ICP(obj) OBJECT_CHECK(ICPState, (obj), TYPE_ICP)
@@ -52,6 +54,9 @@ typedef struct XICSFabric XICSFabric;
 #define TYPE_KVM_ICP "icp-kvm"
 #define KVM_ICP(obj) OBJECT_CHECK(ICPState, (obj), TYPE_KVM_ICP)
 
+#define TYPE_PNV_ICP "pnv-icp"
+#define PNV_ICP(obj) OBJECT_CHECK(PnvICPState, (obj), TYPE_PNV_ICP)
+
 #define ICP_CLASS(klass) \
      OBJECT_CLASS_CHECK(ICPStateClass, (klass), TYPE_ICP)
 #define ICP_GET_CLASS(obj) \
@@ -81,6 +86,13 @@ struct ICPState {
     XICSFabric *xics;
 };
 
+struct PnvICPState {
+    ICPState parent_obj;
+
+    MemoryRegion mmio;
+    uint32_t links[3];
+};
+
 #define TYPE_ICS_BASE "ics-base"
 #define ICS_BASE(obj) OBJECT_CHECK(ICSState, (obj), TYPE_ICS_BASE)