[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH V3 2/2] qemu: Add qemu xen logic for Xen HVM S3 resume
From 63668de43b6512c1db06405b0d2d1e0a0c68244b Mon Sep 17 00:00:00 2001 From: Liu Jinsong <jinsong.liu@xxxxxxxxx> 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 <jinsong.liu@xxxxxxxxx> --- 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 Attachment:
0002-Add-qemu-xen-logic-for-Xen-HVM-S3-resume.patch _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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