On Wed, Aug 12, 2015 at 10:35:27AM +0800, Feng Wu wrote: > This patch adds some helper functions to manipulate the > Posted-Interrupts Descriptor. > > CC: Kevin Tian <[email protected]> > CC: Keir Fraser <[email protected]> > CC: Jan Beulich <[email protected]> > CC: Andrew Cooper <[email protected]> > Signed-off-by: Feng Wu <[email protected]>
Reviewed-by: Konrad Rzeszutek Wilk <[email protected]> > --- > v4: > - Newly added > > xen/include/asm-x86/hvm/vmx/vmx.h | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+) > > diff --git a/xen/include/asm-x86/hvm/vmx/vmx.h > b/xen/include/asm-x86/hvm/vmx/vmx.h > index 3fbfa44..acd4aec 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 test_bit(POSTED_INTR_ON, &pi_desc->control); > +} > + > 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 test_bit(POSTED_INTR_SN, &pi_desc->control); > +} > + > +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 > */ > -- > 2.1.0 > > > _______________________________________________ > Xen-devel mailing list > [email protected] > http://lists.xen.org/xen-devel _______________________________________________ Xen-devel mailing list [email protected] http://lists.xen.org/xen-devel
