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From 1f08d3fe2b08289b3cae10dc91a96b793272801b Mon Sep 17 00:00:00 2001
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Message-Id: <1f08d3fe2b08289b3cae10dc91a96b793272801b.1387298827.git.minovotn@redhat.com>
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In-Reply-To: <3ed0fb61a3dc912ef036d7ef450bed192090709e.1387298827.git.minovotn@redhat.com>
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References: <3ed0fb61a3dc912ef036d7ef450bed192090709e.1387298827.git.minovotn@redhat.com>
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From: "Michael S. Tsirkin" <mst@redhat.com>
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Date: Tue, 17 Dec 2013 15:18:54 +0100
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Subject: [PATCH 43/56] pvpanic: add API to access io port
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RH-Author: Michael S. Tsirkin <mst@redhat.com>
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Message-id: <1387293161-4085-44-git-send-email-mst@redhat.com>
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Patchwork-id: 56349
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O-Subject: [PATCH qemu-kvm RHEL7.0 v2 43/57] pvpanic: add API to access io port
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Bugzilla: 1034876
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RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
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RH-Acked-by: Marcel Apfelbaum <marcel.a@redhat.com>
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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Add API to find pvpanic device and get its io port.
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Will be used to fill in guest info structure.
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Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
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Tested-by: Gerd Hoffmann <kraxel@redhat.com>
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Reviewed-by: Igor Mammedov <imammedo@redhat.com>
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Tested-by: Igor Mammedov <imammedo@redhat.com>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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(cherry picked from commit 309cd62d6b2628b4f0e2850b42011077f40956c7)
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Conflicts:
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include/hw/i386/pc.h
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---
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include/hw/i386/pc.h | 1 +
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hw/misc/pvpanic.c | 14 +++++++++++++-
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2 files changed, 14 insertions(+), 1 deletion(-)
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Signed-off-by: Michal Novotny <minovotn@redhat.com>
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---
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hw/misc/pvpanic.c | 14 +++++++++++++-
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include/hw/i386/pc.h | 1 +
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2 files changed, 14 insertions(+), 1 deletion(-)
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diff --git a/hw/misc/pvpanic.c b/hw/misc/pvpanic.c
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index 1838bc7..1377fde 100644
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--- a/hw/misc/pvpanic.c
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+++ b/hw/misc/pvpanic.c
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@@ -19,6 +19,7 @@
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#include "qemu/log.h"
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#include "hw/nvram/fw_cfg.h"
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+#include "hw/i386/pc.h"
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/* The bit of supported pv event */
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#define PVPANIC_F_PANICKED 0
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@@ -107,8 +108,19 @@ static int pvpanic_isa_initfn(ISADevice *dev)
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return 0;
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}
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+#define PVPANIC_IOPORT_PROP "ioport"
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+
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+uint16_t pvpanic_port(void)
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+{
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+ Object *o = object_resolve_path_type("", TYPE_ISA_PVPANIC_DEVICE, NULL);
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+ if (!o) {
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+ return 0;
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+ }
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+ return object_property_get_int(o, PVPANIC_IOPORT_PROP, NULL);
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+}
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+
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static Property pvpanic_isa_properties[] = {
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- DEFINE_PROP_UINT16("ioport", PVPanicState, ioport, 0x505),
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+ DEFINE_PROP_UINT16(PVPANIC_IOPORT_PROP, PVPanicState, ioport, 0x505),
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DEFINE_PROP_END_OF_LIST(),
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};
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diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
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index d78e45b..8793715 100644
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--- a/include/hw/i386/pc.h
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+++ b/include/hw/i386/pc.h
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@@ -231,6 +231,7 @@ void pc_system_firmware_init(MemoryRegion *rom_memory);
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/* pvpanic.c */
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void pvpanic_init(ISABus *bus);
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+uint16_t pvpanic_port(void);
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/* e820 types */
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#define E820_RAM 1
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--
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1.7.11.7
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