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From 5c582371601d239c3e8692fa51549ae915a48f41 Mon Sep 17 00:00:00 2001
Message-Id: <5c582371601d239c3e8692fa51549ae915a48f41.1387298827.git.minovotn@redhat.com>
In-Reply-To: <3ed0fb61a3dc912ef036d7ef450bed192090709e.1387298827.git.minovotn@redhat.com>
References: <3ed0fb61a3dc912ef036d7ef450bed192090709e.1387298827.git.minovotn@redhat.com>
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Tue, 17 Dec 2013 15:17:42 +0100
Subject: [PATCH 21/56] piix: use 64 bit window programmed by guest

RH-Author: Michael S. Tsirkin <mst@redhat.com>
Message-id: <1387293161-4085-22-git-send-email-mst@redhat.com>
Patchwork-id: 56327
O-Subject: [PATCH qemu-kvm RHEL7.0 v2 21/57] piix: use 64 bit window programmed by guest
Bugzilla: 1034876
RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
RH-Acked-by: Marcel Apfelbaum <marcel.a@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>

Detect the 64 bit window programmed by firmware
and configure properties accordingly.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit 2028fdf3791e14c5ad156252afa0e792192a3e92)
---
 hw/pci-host/piix.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

Signed-off-by: Michal Novotny <minovotn@redhat.com>
---
 hw/pci-host/piix.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
index 167d1fd..0c26835 100644
--- a/hw/pci-host/piix.c
+++ b/hw/pci-host/piix.c
@@ -229,18 +229,24 @@ static void i440fx_pcihost_get_pci_hole64_start(Object *obj, Visitor *v,
                                                 void *opaque, const char *name,
                                                 Error **errp)
 {
-    I440FXState *s = I440FX_PCI_HOST_BRIDGE(obj);
+    PCIHostState *h = PCI_HOST_BRIDGE(obj);
+    Range w64;
+
+    pci_bus_get_w64_range(h->bus, &w64);
 
-    visit_type_uint64(v, &s->pci_info.w64.begin, name, errp);
+    visit_type_uint64(v, &w64.begin, name, errp);
 }
 
 static void i440fx_pcihost_get_pci_hole64_end(Object *obj, Visitor *v,
                                               void *opaque, const char *name,
                                               Error **errp)
 {
-    I440FXState *s = I440FX_PCI_HOST_BRIDGE(obj);
+    PCIHostState *h = PCI_HOST_BRIDGE(obj);
+    Range w64;
+
+    pci_bus_get_w64_range(h->bus, &w64);
 
-    visit_type_uint64(v, &s->pci_info.w64.end, name, errp);
+    visit_type_uint64(v, &w64.end, name, errp);
 }
 
 static int i440fx_pcihost_initfn(SysBusDevice *dev)
-- 
1.7.11.7