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[Qemu-devel] [PATCH V3 2/2] qemu: Add qemu xen logic for Xen HVM S3 resu
From: |
Liu, Jinsong |
Subject: |
[Qemu-devel] [PATCH V3 2/2] qemu: Add qemu xen logic for Xen HVM S3 resume |
Date: |
Mon, 9 Sep 2013 03:28:21 +0000 |
>From 63668de43b6512c1db06405b0d2d1e0a0c68244b Mon Sep 17 00:00:00 2001
From: Liu Jinsong <address@hidden>
Date: Sun, 8 Sep 2013 00:39:45 +0800
Subject: [PATCH V3 2/2] qemu: Add qemu xen logic for Xen HVM S3 resume
This patch is qemu patch 2 to fix Xen 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 eb13111..388d311 100644
--- a/xen-all.c
+++ b/xen-all.c
@@ -98,6 +98,7 @@ typedef struct XenIOState {
Notifier exit;
Notifier suspend;
+ Notifier wakeup;
} XenIOState;
/* Xen specific function for piix pci */
@@ -1059,6 +1060,11 @@ static void xen_read_physmap(XenIOState *state)
free(entries);
}
+static void xen_wakeup_notifier(Notifier *notifier, void *data)
+{
+ xc_set_hvm_param(xen_xc, xen_domid, HVM_PARAM_ACPI_S_STATE, 0);
+}
+
int xen_hvm_init(void)
{
int i, rc;
@@ -1088,6 +1094,9 @@ int xen_hvm_init(void)
state->suspend.notify = xen_suspend_notifier;
qemu_register_suspend_notifier(&state->suspend);
+ state->wakeup.notify = xen_wakeup_notifier;
+ qemu_register_wakeup_notifier(&state->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-Xen-HVM-S3-resume.patch
Description: 0002-Add-qemu-xen-logic-for-Xen-HVM-S3-resume.patch
- [Qemu-devel] [PATCH V3 2/2] qemu: Add qemu xen logic for Xen HVM S3 resume,
Liu, Jinsong <=