diff options
| author | Feng Wu <feng.wu@intel.com> | 2015-09-18 22:29:51 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-10-01 15:06:51 +0200 |
| commit | efc644048ecde54f016011fe10110addd0de348f (patch) | |
| tree | 023aac5d238cca6c283f25b6a1af1a08c717ffcb /arch/x86/kvm/trace.h | |
| parent | 6d7425f109d2629d1f4b4b146eca8e43701bf966 (diff) | |
KVM: x86: Update IRTE for posted-interrupts
This patch adds the routine to update IRTE for posted-interrupts
when guest changes the interrupt configuration.
Signed-off-by: Feng Wu <feng.wu@intel.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
[Squashed in automatically generated patch from the build robot
"KVM: x86: vcpu_to_pi_desc() can be static" - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/trace.h')
| -rw-r--r-- | arch/x86/kvm/trace.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index ce4abe333c39..120302511802 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -992,6 +992,39 @@ TRACE_EVENT(kvm_enter_smm, __entry->smbase) ); +/* + * Tracepoint for VT-d posted-interrupts. + */ +TRACE_EVENT(kvm_pi_irte_update, + TP_PROTO(unsigned int vcpu_id, unsigned int gsi, + unsigned int gvec, u64 pi_desc_addr, bool set), + TP_ARGS(vcpu_id, gsi, gvec, pi_desc_addr, set), + + TP_STRUCT__entry( + __field( unsigned int, vcpu_id ) + __field( unsigned int, gsi ) + __field( unsigned int, gvec ) + __field( u64, pi_desc_addr ) + __field( bool, set ) + ), + + TP_fast_assign( + __entry->vcpu_id = vcpu_id; + __entry->gsi = gsi; + __entry->gvec = gvec; + __entry->pi_desc_addr = pi_desc_addr; + __entry->set = set; + ), + + TP_printk("VT-d PI is %s for this irq, vcpu %u, gsi: 0x%x, " + "gvec: 0x%x, pi_desc_addr: 0x%llx", + __entry->set ? "enabled and being updated" : "disabled", + __entry->vcpu_id, + __entry->gsi, + __entry->gvec, + __entry->pi_desc_addr) +); + #endif /* _TRACE_KVM_H */ #undef TRACE_INCLUDE_PATH |