From: Avi Kivity <avi@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: kvm@vger.kernel.org
Subject: [PATCH 20/43] KVM: APIC: kvm_apic_set_irq deliver all kinds of interrupts
Date: Mon, 18 May 2009 12:22:42 +0300 [thread overview]
Message-ID: <1242638585-18470-21-git-send-email-avi@redhat.com> (raw)
In-Reply-To: <1242638585-18470-1-git-send-email-avi@redhat.com>
From: Gleb Natapov <gleb@redhat.com>
Get rid of ioapic_inj_irq() and ioapic_inj_nmi() functions.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
arch/ia64/include/asm/kvm_host.h | 1 -
arch/ia64/kvm/kvm-ia64.c | 8 +++---
arch/ia64/kvm/lapic.h | 2 +-
arch/x86/kvm/lapic.c | 47 +++++++++++++++++++++++--------------
arch/x86/kvm/lapic.h | 2 +-
virt/kvm/ioapic.c | 40 +++++---------------------------
virt/kvm/irq_comm.c | 1 +
7 files changed, 42 insertions(+), 59 deletions(-)
diff --git a/arch/ia64/include/asm/kvm_host.h b/arch/ia64/include/asm/kvm_host.h
index 4542651..5608488 100644
--- a/arch/ia64/include/asm/kvm_host.h
+++ b/arch/ia64/include/asm/kvm_host.h
@@ -585,7 +585,6 @@ int kvm_emulate_halt(struct kvm_vcpu *vcpu);
int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
void kvm_sal_emul(struct kvm_vcpu *vcpu);
-static inline void kvm_inject_nmi(struct kvm_vcpu *vcpu) {}
#endif /* __ASSEMBLY__*/
#endif
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 774f0d7..99d6d17 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -292,13 +292,13 @@ static void vcpu_deliver_ipi(struct kvm_vcpu *vcpu, uint64_t dm,
{
switch (dm) {
case SAPIC_FIXED:
- kvm_apic_set_irq(vcpu, vector, 0);
+ kvm_apic_set_irq(vcpu, vector, dm, 0);
break;
case SAPIC_NMI:
- kvm_apic_set_irq(vcpu, 2, 0);
+ kvm_apic_set_irq(vcpu, 2, dm, 0);
break;
case SAPIC_EXTINT:
- kvm_apic_set_irq(vcpu, 0, 0);
+ kvm_apic_set_irq(vcpu, 0, dm, 0);
break;
case SAPIC_INIT:
case SAPIC_PMI:
@@ -1813,7 +1813,7 @@ void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
put_cpu();
}
-int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig)
+int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 dmode, u8 trig)
{
struct vpd *vpd = to_host(vcpu->kvm, vcpu->arch.vpd);
diff --git a/arch/ia64/kvm/lapic.h b/arch/ia64/kvm/lapic.h
index 6d6cbcb..cbcfaa6 100644
--- a/arch/ia64/kvm/lapic.h
+++ b/arch/ia64/kvm/lapic.h
@@ -20,6 +20,6 @@ void kvm_free_lapic(struct kvm_vcpu *vcpu);
int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest);
int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda);
-int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig);
+int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 dmode, u8 trig);
#endif
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 27ca43e..a42f968 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -196,20 +196,30 @@ int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu)
}
EXPORT_SYMBOL_GPL(kvm_lapic_find_highest_irr);
-int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig)
+static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,
+ int vector, int level, int trig_mode);
+
+int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 dmode, u8 trig)
{
struct kvm_lapic *apic = vcpu->arch.apic;
+ int lapic_dmode;
- if (!apic_test_and_set_irr(vec, apic)) {
- /* a new pending irq is set in IRR */
- if (trig)
- apic_set_vector(vec, apic->regs + APIC_TMR);
- else
- apic_clear_vector(vec, apic->regs + APIC_TMR);
- kvm_vcpu_kick(apic->vcpu);
- return 1;
+ switch (dmode) {
+ case IOAPIC_LOWEST_PRIORITY:
+ lapic_dmode = APIC_DM_LOWEST;
+ break;
+ case IOAPIC_FIXED:
+ lapic_dmode = APIC_DM_FIXED;
+ break;
+ case IOAPIC_NMI:
+ lapic_dmode = APIC_DM_NMI;
+ break;
+ default:
+ printk(KERN_DEBUG"Ignoring delivery mode %d\n", dmode);
+ return 0;
+ break;
}
- return 0;
+ return __apic_accept_irq(apic, lapic_dmode, vec, 1, trig);
}
static inline int apic_find_highest_isr(struct kvm_lapic *apic)
@@ -327,7 +337,7 @@ static int apic_match_dest(struct kvm_vcpu *vcpu, struct kvm_lapic *source,
static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,
int vector, int level, int trig_mode)
{
- int orig_irr, result = 0;
+ int result = 0;
struct kvm_vcpu *vcpu = apic->vcpu;
switch (delivery_mode) {
@@ -337,10 +347,11 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,
if (unlikely(!apic_enabled(apic)))
break;
- orig_irr = apic_test_and_set_irr(vector, apic);
- if (orig_irr && trig_mode) {
- apic_debug("level trig mode repeatedly for vector %d",
- vector);
+ result = !apic_test_and_set_irr(vector, apic);
+ if (!result) {
+ if (trig_mode)
+ apic_debug("level trig mode repeatedly for "
+ "vector %d", vector);
break;
}
@@ -349,10 +360,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,
apic_set_vector(vector, apic->regs + APIC_TMR);
} else
apic_clear_vector(vector, apic->regs + APIC_TMR);
-
kvm_vcpu_kick(vcpu);
-
- result = (orig_irr == 0);
break;
case APIC_DM_REMRD:
@@ -364,12 +372,14 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,
break;
case APIC_DM_NMI:
+ result = 1;
kvm_inject_nmi(vcpu);
kvm_vcpu_kick(vcpu);
break;
case APIC_DM_INIT:
if (level) {
+ result = 1;
if (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE)
printk(KERN_DEBUG
"INIT on a runnable vcpu %d\n",
@@ -386,6 +396,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,
apic_debug("SIPI to vcpu %d vector 0x%02x\n",
vcpu->vcpu_id, vector);
if (vcpu->arch.mp_state == KVM_MP_STATE_INIT_RECEIVED) {
+ result = 1;
vcpu->arch.sipi_vector = vector;
vcpu->arch.mp_state = KVM_MP_STATE_SIPI_RECEIVED;
kvm_vcpu_kick(vcpu);
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h
index 2fc0d3c..1b0e3c0 100644
--- a/arch/x86/kvm/lapic.h
+++ b/arch/x86/kvm/lapic.h
@@ -31,7 +31,7 @@ u64 kvm_lapic_get_base(struct kvm_vcpu *vcpu);
int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest);
int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda);
-int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig);
+int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 dmode, u8 trig);
u64 kvm_get_apic_base(struct kvm_vcpu *vcpu);
void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data);
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
index ea268a8..d4a7948 100644
--- a/virt/kvm/ioapic.c
+++ b/virt/kvm/ioapic.c
@@ -142,25 +142,6 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val)
}
}
-static int ioapic_inj_irq(struct kvm_ioapic *ioapic,
- struct kvm_vcpu *vcpu,
- u8 vector, u8 trig_mode, u8 delivery_mode)
-{
- ioapic_debug("irq %d trig %d deliv %d\n", vector, trig_mode,
- delivery_mode);
-
- ASSERT((delivery_mode == IOAPIC_FIXED) ||
- (delivery_mode == IOAPIC_LOWEST_PRIORITY));
-
- return kvm_apic_set_irq(vcpu, vector, trig_mode);
-}
-
-static void ioapic_inj_nmi(struct kvm_vcpu *vcpu)
-{
- kvm_inject_nmi(vcpu);
- kvm_vcpu_kick(vcpu);
-}
-
static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq)
{
union kvm_ioapic_redirect_entry entry = ioapic->redirtbl[irq];
@@ -193,21 +174,12 @@ static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq)
__clear_bit(vcpu_id, deliver_bitmask);
vcpu = ioapic->kvm->vcpus[vcpu_id];
if (vcpu) {
- if (entry.fields.delivery_mode ==
- IOAPIC_LOWEST_PRIORITY ||
- entry.fields.delivery_mode == IOAPIC_FIXED) {
- if (r < 0)
- r = 0;
- r += ioapic_inj_irq(ioapic, vcpu,
- entry.fields.vector,
- entry.fields.trig_mode,
- entry.fields.delivery_mode);
- } else if (entry.fields.delivery_mode == IOAPIC_NMI) {
- r = 1;
- ioapic_inj_nmi(vcpu);
- } else
- ioapic_debug("unsupported delivery mode %x!\n",
- entry.fields.delivery_mode);
+ if (r < 0)
+ r = 0;
+ r += kvm_apic_set_irq(vcpu,
+ entry.fields.vector,
+ entry.fields.trig_mode,
+ entry.fields.delivery_mode);
} else
ioapic_debug("null destination vcpu: "
"mask=%x vector=%x delivery_mode=%x\n",
diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c
index 1c6ff6d..325c668 100644
--- a/virt/kvm/irq_comm.c
+++ b/virt/kvm/irq_comm.c
@@ -148,6 +148,7 @@ static int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e,
if (r < 0)
r = 0;
r += kvm_apic_set_irq(vcpu, entry.fields.vector,
+ entry.fields.dest_mode,
entry.fields.trig_mode);
}
}
--
1.6.0.6
next prev parent reply other threads:[~2009-05-18 9:36 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-18 9:22 [PATCH 00/43] KVM updates for the 2.6.31 merge window (batch 1/4) Avi Kivity
2009-05-18 9:22 ` [PATCH 01/43] KVM: VMX: Don't use highmem pages for the msr and pio bitmaps Avi Kivity
2009-05-18 9:22 ` [PATCH 02/43] KVM: VMX: Don't intercept MSR_KERNEL_GS_BASE Avi Kivity
2009-05-18 9:22 ` [PATCH 03/43] KVM: Split IOAPIC structure Avi Kivity
2009-05-18 9:22 ` [PATCH 04/43] KVM: Unify the delivery of IOAPIC and MSI interrupts Avi Kivity
2009-05-18 9:22 ` [PATCH 05/43] KVM: Change API of kvm_ioapic_get_delivery_bitmask Avi Kivity
2009-05-18 9:22 ` [PATCH 06/43] KVM: Update intr delivery func to accept unsigned long* bitmap Avi Kivity
2009-05-18 9:22 ` [PATCH 07/43] KVM: bit ops for deliver_bitmap Avi Kivity
2009-05-18 9:22 ` [PATCH 08/43] KVM: Ioctls for init MSI-X entry Avi Kivity
2009-05-18 9:22 ` [PATCH 09/43] KVM: Add MSI-X interrupt injection logic Avi Kivity
2009-05-18 9:22 ` [PATCH 10/43] KVM: Enable MSI-X for KVM assigned device Avi Kivity
2009-05-18 9:22 ` [PATCH 11/43] KVM: x86: silence preempt warning on kvm_write_guest_time Avi Kivity
2009-05-18 9:22 ` [PATCH 12/43] KVM: x86: paravirt skip pit-through-ioapic boot check Avi Kivity
2009-05-18 9:22 ` [PATCH 13/43] KVM: declare ioapic functions only on affected hardware Avi Kivity
2009-05-18 9:22 ` [PATCH 14/43] KVM: PIT: remove unused scheduled variable Avi Kivity
2009-05-18 9:22 ` [PATCH 15/43] KVM: PIT: remove usage of count_load_time for channel 0 Avi Kivity
2009-05-18 9:22 ` [PATCH 16/43] KVM: unify part of generic timer handling Avi Kivity
2009-05-18 9:22 ` [PATCH 17/43] KVM: ia64: fix compilation error in kvm_get_lowest_prio_vcpu Avi Kivity
2009-05-18 9:22 ` [PATCH 18/43] KVM: Merge kvm_ioapic_get_delivery_bitmask into kvm_get_intr_delivery_bitmask Avi Kivity
2009-05-18 9:22 ` [PATCH 19/43] KVM: MMU: remove call to kvm_mmu_pte_write from walk_addr Avi Kivity
2009-05-18 9:22 ` Avi Kivity [this message]
2009-05-18 9:22 ` [PATCH 21/43] KVM: ioapic/msi interrupt delivery consolidation Avi Kivity
2009-05-18 9:22 ` [PATCH 22/43] KVM: consolidate ioapic/ipi interrupt delivery logic Avi Kivity
2009-05-18 9:22 ` [PATCH 23/43] KVM: change the way how lowest priority vcpu is calculated Avi Kivity
2009-05-18 9:22 ` [PATCH 24/43] KVM: APIC: get rid of deliver_bitmask Avi Kivity
2009-05-18 9:22 ` [PATCH 25/43] KVM: ia64: Map in SN2 RTC registers to the VMM module Avi Kivity
2009-05-18 9:22 ` [PATCH 26/43] KVM: ia64: Create inline function kvm_get_itc() to centralize ITC reading Avi Kivity
2009-05-18 9:22 ` [PATCH 27/43] KVM: ia64: SN2 adjust emulated ITC frequency to match RTC frequency Avi Kivity
2009-05-18 9:22 ` [PATCH 28/43] KVM: ia64: Drop in SN2 replacement of fast path ITC emulation fault handler Avi Kivity
2009-05-18 9:22 ` [PATCH 29/43] KVM: make 'lapic_timer_ops' and 'kpit_ops' static Avi Kivity
2009-05-18 9:22 ` [PATCH 30/43] KVM: Device assignment framework rework Avi Kivity
2009-05-18 9:22 ` [PATCH 31/43] KVM: MMU: do not free active mmu pages in free_mmu_pages() Avi Kivity
2009-05-18 9:22 ` [PATCH 32/43] KVM: x86: Ignore reads to EVNTSEL MSRs Avi Kivity
2009-05-18 9:22 ` [PATCH 33/43] KVM: SVM: Remove duplicate code in svm_do_inject_vector() Avi Kivity
2009-05-18 9:22 ` [PATCH 34/43] KVM: reuse (pop|push)_irq from svm.c in vmx.c Avi Kivity
2009-05-18 9:22 ` [PATCH 35/43] KVM: VMX: Make module parameters readable Avi Kivity
2009-05-18 9:22 ` [PATCH 36/43] KVM: VMX: Rename kvm_handle_exit() to vmx_handle_exit() Avi Kivity
2009-05-18 9:22 ` [PATCH 37/43] KVM: VMX: Simplify module parameter names Avi Kivity
2009-05-18 9:23 ` [PATCH 38/43] KVM: VMX: Annotate module parameters as __read_mostly Avi Kivity
2009-05-18 9:23 ` [PATCH 39/43] KVM: VMX: Zero the vpid module parameter if vpid is not supported Avi Kivity
2009-05-18 9:23 ` [PATCH 40/43] KVM: VMX: Zero ept module parameter if ept is not present Avi Kivity
2009-05-18 9:23 ` [PATCH 41/43] KVM: VMX: Fold vm_need_ept() into callers Avi Kivity
2009-05-18 9:23 ` [PATCH 42/43] KVM: Timer event should not unconditionally unhalt vcpu Avi Kivity
2009-05-18 9:23 ` [PATCH 43/43] KVM: Fix interrupt unhalting a vcpu when it shouldn't Avi Kivity
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