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| author |   Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2009-11-05 16:33:09 -0500 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2010-10-18 10:49:28 -0400 |
| commit | d9a8814f27080cec6126fca3ef0c210d9f56181e (patch) | |
| tree | 5db169fb98d537413cea793298557343eaf69df1 /include/xen/events.h | |
| parent | xen: Find an unbound irq number in reverse order (high to low). (diff) | |
| download | linux-dev-d9a8814f27080cec6126fca3ef0c210d9f56181e.tar.xz linux-dev-d9a8814f27080cec6126fca3ef0c210d9f56181e.zip | |
xen: Provide a variant of xen_poll_irq with timeout.
The 'xen_poll_irq_timeout' provides a method to pass in
the poll timeout for IRQs if requested. We also export
those two poll functions as Xen PCI fronted uses them.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'include/xen/events.h')
| -rw-r--r-- | include/xen/events.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/xen/events.h b/include/xen/events.h index 8227da8f7165..2532f8bd2401 100644 --- a/include/xen/events.h +++ b/include/xen/events.h @@ -53,6 +53,10 @@ bool xen_test_irq_pending(int irq); irq will be disabled so it won't deliver an interrupt. */ void xen_poll_irq(int irq); +/* Poll waiting for an irq to become pending with a timeout. In the usual case, + * the irq will be disabled so it won't deliver an interrupt. */ +void xen_poll_irq_timeout(int irq, u64 timeout); + /* Determine the IRQ which is bound to an event channel */ unsigned irq_from_evtchn(unsigned int evtchn); |