[Xen-changelog] [xen master] vmx: add some helper functions for Posted-Interrupts

[patchbot@xxxxxxx]

commit 03523ab0d338f8b017775f044377baf0b79a44d1
Author:     Feng Wu <feng.wu@xxxxxxxxx>
AuthorDate: Tue Nov 24 12:11:00 2015 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Nov 24 12:11:00 2015 +0100

    vmx: add some helper functions for Posted-Interrupts
    
    This patch adds some helper functions to manipulate the
    Posted-Interrupts Descriptor.
    
    Signed-off-by: Feng Wu <feng.wu@xxxxxxxxx>
    Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
    Acked-by: Kevin Tian <kevin.tian@xxxxxxxxx>
---
 xen/include/asm-x86/hvm/vmx/vmx.h |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/xen/include/asm-x86/hvm/vmx/vmx.h 
b/xen/include/asm-x86/hvm/vmx/vmx.h
index f16a306..dd3a135 100644
--- a/xen/include/asm-x86/hvm/vmx/vmx.h
+++ b/xen/include/asm-x86/hvm/vmx/vmx.h
@@ -101,6 +101,7 @@ void vmx_update_cpu_exec_control(struct vcpu *v);
 void vmx_update_secondary_exec_control(struct vcpu *v);
 
 #define POSTED_INTR_ON  0
+#define POSTED_INTR_SN  1
 static inline int pi_test_and_set_pir(int vector, struct pi_desc *pi_desc)
 {
     return test_and_set_bit(vector, pi_desc->pir);
@@ -121,11 +122,31 @@ static inline int pi_test_and_clear_on(struct pi_desc 
*pi_desc)
     return test_and_clear_bit(POSTED_INTR_ON, &pi_desc->control);
 }
 
+static inline int pi_test_on(struct pi_desc *pi_desc)
+{
+    return pi_desc->on;
+}
+
 static inline unsigned long pi_get_pir(struct pi_desc *pi_desc, int group)
 {
     return xchg(&pi_desc->pir[group], 0);
 }
 
+static inline int pi_test_sn(struct pi_desc *pi_desc)
+{
+    return pi_desc->sn;
+}
+
+static inline void pi_set_sn(struct pi_desc *pi_desc)
+{
+    set_bit(POSTED_INTR_SN, &pi_desc->control);
+}
+
+static inline void pi_clear_sn(struct pi_desc *pi_desc)
+{
+    clear_bit(POSTED_INTR_SN, &pi_desc->control);
+}
+
 /*
  * Exit Reasons
  */
--
generated by git-patchbot for /home/xen/git/xen.git#master

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog