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[PATCH v2 08/16] xen/hvm/params: Add a new delivery type for event-channel in HVM_PARAM_CALLBACK_IRQ

From Shannon Zhao <zhaoshenglong@huawei.com>
Newsgroups linux.kernel
Subject [PATCH v2 08/16] xen/hvm/params: Add a new delivery type for event-channel in HVM_PARAM_CALLBACK_IRQ
Date 2016-01-15 08:00 +0100
Message-ID <qR6wz-2kF-33@gated-at.bofh.it> (permalink)
References <qR6wx-2kF-3@gated-at.bofh.it>
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From: Shannon Zhao <shannon.zhao@linaro.org>

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 <shannon.zhao@linaro.org>
---
 include/xen/interface/hvm/params.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/xen/interface/hvm/params.h b/include/xen/interface/hvm/params.h
index a6c7991..550688a 100644
--- a/include/xen/interface/hvm/params.h
+++ b/include/xen/interface/hvm/params.h
@@ -34,6 +34,11 @@
  *                  Domain = val[47:32], Bus  = val[31:16],
  *                  DevFn  = val[15: 8], IntX = val[ 1: 0]
  * val[63:56] == 2: val[7:0] is a vector number.
+ * 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
-- 
2.0.4

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[PATCH v2 08/16] xen/hvm/params: Add a new delivery type for event-channel in HVM_PARAM_CALLBACK_IRQ Shannon Zhao <zhaoshenglong@huawei.com> - 2016-01-15 08:00 +0100
  Re: [Xen-devel] [PATCH v2 08/16] xen/hvm/params: Add a new delivery  type for event-channel in HVM_PARAM_CALLBACK_IRQ Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-18 13:40 +0100
    Re: [Xen-devel] [PATCH v2 08/16] xen/hvm/params: Add a new delivery  type for event-channel in HVM_PARAM_CALLBACK_IRQ Andrew Cooper <andrew.cooper3@citrix.com> - 2016-01-18 13:50 +0100
      Re: [Xen-devel] [PATCH v2 08/16] xen/hvm/params: Add a new delivery  type for event-channel in HVM_PARAM_CALLBACK_IRQ Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-18 13:50 +0100
        Re: [Xen-devel] [PATCH v2 08/16] xen/hvm/params: Add a new delivery  type for event-channel in HVM_PARAM_CALLBACK_IRQ Andrew Cooper <andrew.cooper3@citrix.com> - 2016-01-18 14:00 +0100
          Re: [Xen-devel] [PATCH v2 08/16] xen/hvm/params: Add a new delivery  type for event-channel in HVM_PARAM_CALLBACK_IRQ Shannon Zhao <zhaoshenglong@huawei.com> - 2016-01-20 07:40 +0100
            Re: [Xen-devel] [PATCH v2 08/16] xen/hvm/params: Add a new delivery  type for event-channel in HVM_PARAM_CALLBACK_IRQ Shannon Zhao <zhaoshenglong@huawei.com> - 2016-01-20 09:50 +0100
            Re: [Xen-devel] [PATCH v2 08/16] xen/hvm/params: Add a new delivery  type for event-channel in HVM_PARAM_CALLBACK_IRQ Andrew Cooper <andrew.cooper3@citrix.com> - 2016-01-20 10:10 +0100

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