[Qemu-devel] [RFC PATCH 08/26] ppc/xive: add flags to the XIVE interrupt source

[Cédric Le Goater]

These flags define some characteristics of the source :

 - XIVE_SRC_H_INT_ESB  the Event State Buffer are controlled with a
                       specific hcall H_INT_ESB
 - XIVE_SRC_LSI        LSI or MSI source
 - XIVE_SRC_TRIGGER    the full function page supports trigger
 - XIVE_SRC_STORE_EOI  EOI can with a store.

Signed-off-by: Cédric Le Goater <c...@kaod.org>
---
 hw/intc/xive.c        | 1 +
 include/hw/ppc/xive.h | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/hw/intc/xive.c b/hw/intc/xive.c
index 816031b8ac81..8f8bb8b787bd 100644
--- a/hw/intc/xive.c
+++ b/hw/intc/xive.c
@@ -345,6 +345,7 @@ static Property xive_ics_properties[] = {
     DEFINE_PROP_UINT32("nr-irqs", ICSState, nr_irqs, 0),
     DEFINE_PROP_UINT32("irq-base", ICSState, offset, 0),
     DEFINE_PROP_UINT32("shift", XiveICSState, esb_shift, 0),
+    DEFINE_PROP_UINT64("flags", XiveICSState, flags, 0),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h
index 5303d96f5f59..1178300c9df3 100644
--- a/include/hw/ppc/xive.h
+++ b/include/hw/ppc/xive.h
@@ -30,9 +30,18 @@ typedef struct XiveICSState XiveICSState;
 #define TYPE_ICS_XIVE "xive-source"
 #define ICS_XIVE(obj) OBJECT_CHECK(XiveICSState, (obj), TYPE_ICS_XIVE)
 
+/*
+ * XIVE Interrupt source flags
+ */
+#define XIVE_SRC_H_INT_ESB     (1ull << (63 - 60))
+#define XIVE_SRC_LSI           (1ull << (63 - 61))
+#define XIVE_SRC_TRIGGER       (1ull << (63 - 62))
+#define XIVE_SRC_STORE_EOI     (1ull << (63 - 63))
+
 struct XiveICSState {
     ICSState parent_obj;
 
+    uint64_t     flags;
     uint32_t     esb_shift;
     MemoryRegion esb_iomem;
 
-- 
2.7.5