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| author |   Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2010-06-24 16:42:04 +0100 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2010-10-22 21:25:41 +0100 |
| commit | 42a1de56f35a9c87932f45439dc1b09c8da0cc95 (patch) | |
| tree | 4be6a92222ef2efabd1705cd6b3adb7832f7f9a9 /drivers/xen | |
| parent | xen: get the maximum number of pirqs from xen (diff) | |
| download | linux-dev-42a1de56f35a9c87932f45439dc1b09c8da0cc95.tar.xz linux-dev-42a1de56f35a9c87932f45439dc1b09c8da0cc95.zip | |
xen: implement xen_hvm_register_pirq
xen_hvm_register_pirq allows the kernel to map a GSI into a Xen pirq and
receive the interrupt as an event channel from that point on.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/events.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 07e56e5a5d2d..239b011ef56f 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -36,6 +36,7 @@ #include <asm/idle.h> #include <asm/io_apic.h> #include <asm/sync_bitops.h> +#include <asm/xen/pci.h> #include <asm/xen/hypercall.h> #include <asm/xen/hypervisor.h> @@ -75,7 +76,8 @@ enum xen_irq_type { * event channel - irq->event channel mapping * cpu - cpu this event channel is bound to * index - type-specific information: - * PIRQ - vector, with MSB being "needs EIO" + * PIRQ - vector, with MSB being "needs EIO", or physical IRQ of the HVM + * guest, or GSI (real passthrough IRQ) of the device. * VIRQ - virq number * IPI - IPI vector * EVTCHN - |