[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 2/2] qemu-xen: add qemu xen logic for HVM S3 resume
From: |
Liu, Jinsong |
Subject: |
[Qemu-devel] [PATCH 2/2] qemu-xen: add qemu xen logic for HVM S3 resume |
Date: |
Sun, 1 Sep 2013 09:54:02 +0000 |
>From e7d4bd70eae8da131dc3ff2cec70cb2c7b6575a9 Mon Sep 17 00:00:00 2001
From: Liu Jinsong <address@hidden>
Date: Mon, 2 Sep 2013 00:39:20 +0800
Subject: [PATCH 2/2] qemu-xen: add qemu xen logic for HVM S3 resume
This patch is qemu-xen patch 2 to fix HVM S3 bug, adding qemu
xen logic. When qemu wakeup, qemu xen logic is notified and
hypercall to xen hypervisor to unpause domain.
Signed-off-by: Liu Jinsong <address@hidden>
---
xen-all.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/xen-all.c b/xen-all.c
index 15be8ed..bef946b 100644
--- a/xen-all.c
+++ b/xen-all.c
@@ -97,6 +97,7 @@ typedef struct XenIOState {
Notifier exit;
Notifier suspend;
+ Notifier later_wakeup;
} XenIOState;
/* Xen specific function for piix pci */
@@ -139,6 +140,11 @@ static void xen_suspend_notifier(Notifier *notifier, void
*data)
xc_set_hvm_param(xen_xc, xen_domid, HVM_PARAM_ACPI_S_STATE, 3);
}
+static void xen_later_wakeup_notifier(Notifier *notifier, void *data)
+{
+ xc_set_hvm_param(xen_xc, xen_domid, HVM_PARAM_ACPI_S_STATE, 0);
+}
+
/* Xen Interrupt Controller */
static void xen_set_irq(void *opaque, int irq, int level)
@@ -1106,6 +1112,9 @@ int xen_hvm_init(void)
state->suspend.notify = xen_suspend_notifier;
qemu_register_suspend_notifier(&state->suspend);
+ state->later_wakeup.notify = xen_later_wakeup_notifier;
+ qemu_register_later_wakeup_notifier(&state->later_wakeup);
+
xc_get_hvm_param(xen_xc, xen_domid, HVM_PARAM_IOREQ_PFN, &ioreq_pfn);
DPRINTF("shared page at pfn %lx\n", ioreq_pfn);
state->shared_page = xc_map_foreign_range(xen_xc, xen_domid, XC_PAGE_SIZE,
--
1.7.1
0002-Add-qemu-xen-logic-for-HVM-S3-resume.patch
Description: 0002-Add-qemu-xen-logic-for-HVM-S3-resume.patch
- [Qemu-devel] [PATCH 2/2] qemu-xen: add qemu xen logic for HVM S3 resume,
Liu, Jinsong <=