[PATCH v5 09/17] xen/hvm/params: Add a new delivery type for event-channel in HVM_PARAM_CALLBACK_IRQ
From: Shannon Zhao <hidden>
Date: 2016-03-04 06:38:55
Also in:
linux-arm-kernel, linux-efi, lkml
Subsystem:
the rest, xen hypervisor interface · Maintainers:
Linus Torvalds, Juergen Gross, Stefano Stabellini
From: Shannon Zhao <redacted> Add a new delivery type: val[63:56] == 3: val[15:8] is flag: val[7:0] is a PPI. To the flag, bit 0 stands the interrupt mode is edge(1) or level(0) and bit 1 stands the interrupt polarity is active low(1) or high(0). Signed-off-by: Shannon Zhao <redacted> Acked-by: Stefano Stabellini <redacted> --- include/xen/interface/hvm/params.h | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/include/xen/interface/hvm/params.h b/include/xen/interface/hvm/params.h
index 70ad208..d32b02b 100644
--- a/include/xen/interface/hvm/params.h
+++ b/include/xen/interface/hvm/params.h@@ -53,6 +53,16 @@ * if this delivery method is available. */ +#define HVM_PARAM_CALLBACK_TYPE_EVENT 3 +/* + * val[55:16] need to be zero. + * val[15:8] is flag of event-channel interrupt: + * bit 8: interrupt is edge(1) or level(0) triggered + * bit 9: interrupt is active low(1) or high(0) + * val[7:0] is PPI number used by event-channel. + * This is only used by ARM/ARM64. + */ + #define HVM_PARAM_STORE_PFN 1 #define HVM_PARAM_STORE_EVTCHN 2
--
2.0.4