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Mode	Name	Size
d---------	802	376	log stats plain
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d---------	9p	405	log stats plain
-rw-r--r--	Kconfig	10057	log stats plain
-rw-r--r--	Makefile	1897	log stats plain
-rw-r--r--	TUNABLE	2239	log stats plain
d---------	appletalk	222	log stats plain
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d---------	netlink	115	log stats plain
d---------	netrom	383	log stats plain
-rw-r--r--	nonet.c	528	log stats plain
d---------	packet	110	log stats plain
d---------	phonet	367	log stats plain
d---------	rds	1736	log stats plain
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d---------	rose	432	log stats plain
d---------	rxrpc	807	log stats plain
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d---------	sctp	1123	log stats plain
-rw-r--r--	socket.c	76042	log stats plain
d---------	sunrpc	1104	log stats plain
-rw-r--r--	sysctl_net.c	3087	log stats plain
d---------	tipc	1646	log stats plain
d---------	unix	190	log stats plain
d---------	wanrouter	183	log stats plain
d---------	wimax	422	log stats plain
d---------	wireless	1344	log stats plain
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d---------	xfrm	510	log stats plain

class="kt">long result = 0; switch (ioapic->ioregsel) { case IOAPIC_REG_VERSION: result = ((((IOAPIC_NUM_PINS - 1) & 0xff) << 16) | (IOAPIC_VERSION_ID & 0xff)); break; case IOAPIC_REG_APIC_ID: case IOAPIC_REG_ARB_ID: result = ((ioapic->id & 0xf) << 24); break; default: { u32 redir_index = (ioapic->ioregsel - 0x10) >> 1; u64 redir_content; ASSERT(redir_index < IOAPIC_NUM_PINS); redir_content = ioapic->redirtbl[redir_index].bits; result = (ioapic->ioregsel & 0x1) ? (redir_content >> 32) & 0xffffffff : redir_content & 0xffffffff; break; } } return result; } static int ioapic_service(struct kvm_ioapic *ioapic, unsigned int idx) { union kvm_ioapic_redirect_entry *pent; int injected = -1; pent = &ioapic->redirtbl[idx]; if (!pent->fields.mask) { injected = ioapic_deliver(ioapic, idx); if (injected && pent->fields.trig_mode == IOAPIC_LEVEL_TRIG) pent->fields.remote_irr = 1; } return injected; } static void update_handled_vectors(struct kvm_ioapic *ioapic) { DECLARE_BITMAP(handled_vectors, 256); int i; memset(handled_vectors, 0, sizeof(handled_vectors)); for (i = 0; i < IOAPIC_NUM_PINS; ++i) __set_bit(ioapic->redirtbl[i].fields.vector, handled_vectors); memcpy(ioapic->handled_vectors, handled_vectors, sizeof(handled_vectors)); smp_wmb(); } static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val) { unsigned index; bool mask_before, mask_after; union kvm_ioapic_redirect_entry *e; switch (ioapic->ioregsel) { case IOAPIC_REG_VERSION: /* Writes are ignored. */ break; case IOAPIC_REG_APIC_ID: ioapic->id = (val >> 24) & 0xf; break; case IOAPIC_REG_ARB_ID: break; default: index = (ioapic->ioregsel - 0x10) >> 1; ioapic_debug("change redir index %x val %x\n", index, val); if (index >= IOAPIC_NUM_PINS) return; e = &ioapic->redirtbl[index]; mask_before = e->fields.mask; if (ioapic->ioregsel & 1) { e->bits &= 0xffffffff; e->bits |= (u64) val << 32; } else { e->bits &= ~0xffffffffULL; e->bits |= (u32) val; e->fields.remote_irr = 0; } update_handled_vectors(ioapic); mask_after = e->fields.mask; if (mask_before != mask_after) kvm_fire_mask_notifiers(ioapic->kvm, KVM_IRQCHIP_IOAPIC, index, mask_after); if (e->fields.trig_mode == IOAPIC_LEVEL_TRIG && ioapic->irr & (1 << index)) ioapic_service(ioapic, index); break; } } static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq) { union kvm_ioapic_redirect_entry *entry = &ioapic->redirtbl[irq]; struct kvm_lapic_irq irqe; ioapic_debug("dest=%x dest_mode=%x delivery_mode=%x " "vector=%x trig_mode=%x\n", entry->fields.dest_id, entry->fields.dest_mode, entry->fields.delivery_mode, entry->fields.vector, entry->fields.trig_mode); irqe.dest_id = entry->fields.dest_id; irqe.vector = entry->fields.vector; irqe.dest_mode = entry->fields.dest_mode; irqe.trig_mode = entry->fields.trig_mode; irqe.delivery_mode = entry->fields.delivery_mode << 8; irqe.level = 1; irqe.shorthand = 0; #ifdef CONFIG_X86 /* Always delivery PIT interrupt to vcpu 0 */ if (irq == 0) { irqe.dest_mode = 0; /* Physical mode. */ /* need to read apic_id from apic regiest since * it can be rewritten */ irqe.dest_id = ioapic->kvm->bsp_vcpu->vcpu_id; } #endif return kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe); } int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level) { u32 old_irr; u32 mask = 1 << irq; union kvm_ioapic_redirect_entry entry; int ret = 1; spin_lock(&ioapic->lock); old_irr = ioapic->irr; if (irq >= 0 && irq < IOAPIC_NUM_PINS) { entry = ioapic->redirtbl[irq]; level ^= entry.fields.polarity; if (!level) ioapic->irr &= ~mask; else { int edge = (entry.fields.trig_mode == IOAPIC_EDGE_TRIG); ioapic->irr |= mask; if ((edge && old_irr != ioapic->irr) || (!edge && !entry.fields.remote_irr)) ret = ioapic_service(ioapic, irq); else ret = 0; /* report coalesced interrupt */ } trace_kvm_ioapic_set_irq(entry.bits, irq, ret == 0); } spin_unlock(&ioapic->lock); return ret; } static void __kvm_ioapic_update_eoi(struct kvm_ioapic *ioapic, int vector, int trigger_mode) { int i; for (i = 0; i < IOAPIC_NUM_PINS; i++) { union kvm_ioapic_redirect_entry *ent = &ioapic->redirtbl[i]; if (ent->fields.vector != vector) continue; /* * We are dropping lock while calling ack notifiers because ack * notifier callbacks for assigned devices call into IOAPIC * recursively. Since remote_irr is cleared only after call * to notifiers if the same vector will be delivered while lock * is dropped it will be put into irr and will be delivered * after ack notifier returns. */ spin_unlock(&ioapic->lock); kvm_notify_acked_irq(ioapic->kvm, KVM_IRQCHIP_IOAPIC, i); spin_lock(&ioapic->lock); if (trigger_mode != IOAPIC_LEVEL_TRIG) continue; ASSERT(ent->fields.trig_mode == IOAPIC_LEVEL_TRIG); ent-&