From 55fb4acef7089a6d4d93ed8caae6c258d06cfaf7 Mon Sep 17 00:00:00 2001 From: Ian Campbell Date: Thu, 17 Feb 2011 11:04:20 +0000 Subject: xen: suspend: pull pre/post suspend hooks out into suspend_info Signed-off-by: Ian Campbell Reviewed-by: Konrad Rzeszutek Wilk --- drivers/xen/manage.c | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) (limited to 'drivers/xen/manage.c') diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index a6bd2e9ca106..5b7a0a9402e7 100644 --- a/drivers/xen/manage.c +++ b/drivers/xen/manage.c @@ -37,6 +37,8 @@ static enum shutdown_state shutting_down = SHUTDOWN_INVALID; struct suspend_info { int cancelled; unsigned long arg; /* extra hypercall argument */ + void (*pre)(void); + void (*post)(int cancelled); }; static void xen_hvm_post_suspend(int cancelled) @@ -74,6 +76,9 @@ static int xen_hvm_suspend(void *data) return err; } + if (si->pre) + si->pre(); + /* * This hypercall returns 1 if suspend was cancelled * or the domain was merely checkpointed, and 0 if it @@ -81,7 +86,8 @@ static int xen_hvm_suspend(void *data) */ si->cancelled = HYPERVISOR_suspend(si->arg); - xen_hvm_post_suspend(si->cancelled); + if (si->post) + si->post(si->cancelled); if (!si->cancelled) { xen_irq_resume(); @@ -108,7 +114,8 @@ static int xen_suspend(void *data) return err; } - xen_pre_suspend(); + if (si->pre) + si->pre(); /* * This hypercall returns 1 if suspend was cancelled @@ -117,7 +124,8 @@ static int xen_suspend(void *data) */ si->cancelled = HYPERVISOR_suspend(si->arg); - xen_post_suspend(si->cancelled); + if (si->post) + si->post(si->cancelled); if (!si->cancelled) { xen_irq_resume(); @@ -165,10 +173,15 @@ static void do_suspend(void) si.cancelled = 1; - if (xen_hvm_domain()) + if (xen_hvm_domain()) { si.arg = 0UL; - else + si.pre = NULL; + si.post = &xen_hvm_post_suspend; + } else { si.arg = virt_to_mfn(xen_start_info); + si.pre = &xen_pre_suspend; + si.post = &xen_post_suspend; + } if (xen_hvm_domain()) err = stop_machine(xen_hvm_suspend, &si, cpumask_of(0)); -- cgit v1.2.3-59-g8ed1b