[PATCH v3 57/62] hvm/params: Add a new dilivery type for event-channel in HVM_PARAM_CALLBACK_IRQ
From: shannon.zhao at linaro.org <hidden>
Date: 2015-11-17 09:40:56
Also in:
xen-devel
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Shannon Zhao <redacted> Add a new dilivery 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> --- xen/include/public/hvm/params.h | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/xen/include/public/hvm/params.h b/xen/include/public/hvm/params.h
index 356dfd3..5aa2aba 100644
--- a/xen/include/public/hvm/params.h
+++ b/xen/include/public/hvm/params.h@@ -38,6 +38,11 @@ * val[63:56] == 2: val[7:0] is a vector number, check for * XENFEAT_hvm_callback_vector to know if this delivery * method is available. + * val[63:56] == 3: val[15:8] is flag of event-channel interrupt: + * bit 0: interrupt is edge(1) or level(0) triggered + * bit 1: 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. * If val == 0 then CPU0 event-channel notifications are not delivered. */ #define HVM_PARAM_CALLBACK_IRQ 0
--
2.1.0