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[Qemu-ppc] [PULL 04/36] spapr: Add /rtas/ibm,change-msix-capable


From: David Gibson
Subject: [Qemu-ppc] [PULL 04/36] spapr: Add /rtas/ibm,change-msix-capable
Date: Wed, 23 Sep 2015 11:55:06 +1000

From: Sam Bobroff <address@hidden>

QEMU is MSI-X capable and makes it available via ibm,change-msi, so
we should indicate this by adding /rtas/ibm,change-msix-capable to the
device tree.

This is specificed by PAPR.

Signed-off-by: Sam Bobroff <address@hidden>
Reviewed-by: David Gibson <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
 hw/ppc/spapr.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 09962c4..ed0abd8 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -432,6 +432,10 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base,
     _FDT((fdt_property_cell(fdt, "rtas-event-scan-rate",
                             RTAS_EVENT_SCAN_RATE)));
 
+    if (msi_supported) {
+        _FDT((fdt_property(fdt, "ibm,change-msix-capable", NULL, 0)));
+    }
+
     /*
      * According to PAPR, rtas ibm,os-term does not guarantee a return
      * back to the guest cpu.
-- 
2.4.3




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