diff options
| author | Ian Campbell <ian.campbell@citrix.com> | 2011-02-17 14:04:20 +0300 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2011-02-25 19:43:13 +0300 |
| commit | 55fb4acef7089a6d4d93ed8caae6c258d06cfaf7 (patch) | |
| tree | 6fe5a815cbbdea8a1067b875b2dc730baa2f7c51 | |
| parent | 07af38102fc4f260cc5a2418ec833707f53cdf70 (diff) | |
| download | linux-55fb4acef7089a6d4d93ed8caae6c258d06cfaf7.tar.xz | |
xen: suspend: pull pre/post suspend hooks out into suspend_info
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| -rw-r--r-- | drivers/xen/manage.c | 23 |
1 files changed, 18 insertions, 5 deletions
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)); |