diff mbox

[06/13] KVM: Add some helper functions for Posted-Interrupts

Message ID 1415600812-27773-7-git-send-email-feng.wu@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Wu, Feng Nov. 10, 2014, 6:26 a.m. UTC 
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 mbox

Patch

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,