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Subject[PATCH 06/13] KVM: Add some helper functions for Posted-Interrupts
Date
This patch adds three helper functions to manipulate the Posted-
Interrtups Decriptor.

Signed-off-by: Feng Wu <feng.wu@intel.com>
---
arch/x86/kvm/vmx.c | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index ae91b72..f41111f 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -435,6 +435,24 @@ static void pi_clear_sn(struct pi_desc *pi_desc)
(unsigned long *)&pi_desc->control);
}

+static void pi_set_sn(struct pi_desc *pi_desc)
+{
+ return set_bit(POSTED_INTR_SN,
+ (unsigned long *)&pi_desc->control);
+}
+
+static int pi_test_on(struct pi_desc *pi_desc)
+{
+ return test_bit(POSTED_INTR_ON,
+ (unsigned long *)&pi_desc->control);
+}
+
+static int pi_test_sn(struct pi_desc *pi_desc)
+{
+ return test_bit(POSTED_INTR_SN,
+ (unsigned long *)&pi_desc->control);
+}
+
static bool pi_test_and_set_on(struct pi_desc *pi_desc)
{
return test_and_set_bit(POSTED_INTR_ON,
--
1.7.1


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