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author | Yang Zhang <yang.z.zhang@Intel.com> | 2013-04-18 11:34:49 +0200 |
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committer | Jan Beulich <jbeulich@suse.com> | 2013-04-18 11:34:49 +0200 |
commit | d7dafa375bc13772e2e3274d975d544af4208939 (patch) | |
tree | cbcacbdd2d1e50965f5ce5cc729261fbe49ed3d8 /xen/include/asm-x86/hvm/vmx | |
parent | 1c0ac49b1d6c3d54fc1f75661742a988ca7cf255 (diff) | |
download | xen-d7dafa375bc13772e2e3274d975d544af4208939.tar.gz xen-d7dafa375bc13772e2e3274d975d544af4208939.tar.bz2 xen-d7dafa375bc13772e2e3274d975d544af4208939.zip |
VMX: Add posted interrupt supporting
Add the supporting of using posted interrupt to deliver interrupt.
Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com>
Reviewed-by: Jun Nakajima <jun.nakajima@intel.com>
Acked-by: Keir Fraser <keir@xen.org>
Acked-by: George Dunlap <george.dunlap@eu.citrix.com> (from a release perspective)
Diffstat (limited to 'xen/include/asm-x86/hvm/vmx')
-rw-r--r-- | xen/include/asm-x86/hvm/vmx/vmx.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/xen/include/asm-x86/hvm/vmx/vmx.h b/xen/include/asm-x86/hvm/vmx/vmx.h index 7efe0f3c16..c33b9f9a7e 100644 --- a/xen/include/asm-x86/hvm/vmx/vmx.h +++ b/xen/include/asm-x86/hvm/vmx/vmx.h @@ -99,6 +99,31 @@ void vmx_update_exception_bitmap(struct vcpu *v); void vmx_update_cpu_exec_control(struct vcpu *v); void vmx_update_secondary_exec_control(struct vcpu *v); +#define POSTED_INTR_ON 0 +static inline int pi_test_and_set_pir(int vector, struct pi_desc *pi_desc) +{ + return test_and_set_bit(vector, pi_desc->pir); +} + +static inline int pi_test_and_set_on(struct pi_desc *pi_desc) +{ + return test_and_set_bit(POSTED_INTR_ON, &pi_desc->control); +} + +static inline void pi_set_on(struct pi_desc *pi_desc) +{ + set_bit(POSTED_INTR_ON, &pi_desc->control); +} + +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 unsigned long pi_get_pir(struct pi_desc *pi_desc, int group) +{ + return xchg(&pi_desc->pir[group], 0); +} /* * Exit Reasons |