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Xiantao Zhang3de42dc2008-10-06 13:48:45 +08001/*
2 * irq_comm.c: Common API for in kernel interrupt controller
3 * Copyright (c) 2007, Intel Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
16 * Place - Suite 330, Boston, MA 02111-1307 USA.
17 * Authors:
18 * Yaozu (Eddie) Dong <Eddie.dong@intel.com>
19 *
Nicolas Kaiser9611c182010-10-06 14:23:22 +020020 * Copyright 2010 Red Hat, Inc. and/or its affiliates.
Xiantao Zhang3de42dc2008-10-06 13:48:45 +080021 */
22
23#include <linux/kvm_host.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090024#include <linux/slab.h>
Yang Zhangc7c9c562013-01-25 10:18:51 +080025#include <linux/export.h>
Marcelo Tosatti229456f2009-06-17 09:22:14 -030026#include <trace/events/kvm.h>
Sheng Yang79950e12009-02-10 13:57:06 +080027
Sheng Yang79950e12009-02-10 13:57:06 +080028#include <asm/msidef.h>
Gleb Natapov58c2dde2009-03-05 16:35:04 +020029#ifdef CONFIG_IA64
30#include <asm/iosapic.h>
31#endif
Sheng Yang79950e12009-02-10 13:57:06 +080032
Xiantao Zhang3de42dc2008-10-06 13:48:45 +080033#include "irq.h"
34
35#include "ioapic.h"
36
Gleb Natapov49256632009-02-04 17:28:14 +020037static int kvm_set_pic_irq(struct kvm_kernel_irq_routing_entry *e,
Yang Zhangaa2fbe62013-04-11 19:21:40 +080038 struct kvm *kvm, int irq_source_id, int level,
39 bool line_status)
Avi Kivity399ec802008-11-19 13:58:46 +020040{
41#ifdef CONFIG_X86
Gleb Natapov1a6e4a82009-08-24 11:54:19 +030042 struct kvm_pic *pic = pic_irqchip(kvm);
Michael S. Tsirkin1a577b72012-07-19 13:45:20 +030043 return kvm_pic_set_irq(pic, e->irqchip.pin, irq_source_id, level);
Gleb Natapov49256632009-02-04 17:28:14 +020044#else
45 return -1;
Avi Kivity399ec802008-11-19 13:58:46 +020046#endif
47}
48
Gleb Natapov49256632009-02-04 17:28:14 +020049static int kvm_set_ioapic_irq(struct kvm_kernel_irq_routing_entry *e,
Yang Zhangaa2fbe62013-04-11 19:21:40 +080050 struct kvm *kvm, int irq_source_id, int level,
51 bool line_status)
Avi Kivity399ec802008-11-19 13:58:46 +020052{
Gleb Natapov1a6e4a82009-08-24 11:54:19 +030053 struct kvm_ioapic *ioapic = kvm->arch.vioapic;
Yang Zhangaa2fbe62013-04-11 19:21:40 +080054 return kvm_ioapic_set_irq(ioapic, e->irqchip.pin, irq_source_id, level,
55 line_status);
Avi Kivity399ec802008-11-19 13:58:46 +020056}
57
Gleb Natapov58c2dde2009-03-05 16:35:04 +020058inline static bool kvm_is_dm_lowest_prio(struct kvm_lapic_irq *irq)
Sheng Yang116191b2009-02-11 16:03:37 +080059{
Gleb Natapov58c2dde2009-03-05 16:35:04 +020060#ifdef CONFIG_IA64
61 return irq->delivery_mode ==
62 (IOSAPIC_LOWEST_PRIORITY << IOSAPIC_DELIVERY_SHIFT);
63#else
64 return irq->delivery_mode == APIC_DM_LOWEST;
65#endif
66}
Sheng Yang116191b2009-02-11 16:03:37 +080067
Gleb Natapov58c2dde2009-03-05 16:35:04 +020068int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src,
Yang Zhangb4f22252013-04-11 19:21:37 +080069 struct kvm_lapic_irq *irq, unsigned long *dest_map)
Gleb Natapov58c2dde2009-03-05 16:35:04 +020070{
71 int i, r = -1;
72 struct kvm_vcpu *vcpu, *lowest = NULL;
73
74 if (irq->dest_mode == 0 && irq->dest_id == 0xff &&
Gleb Natapov1e08ec42012-09-13 17:19:24 +030075 kvm_is_dm_lowest_prio(irq)) {
Gleb Natapov343f94f2009-03-05 16:34:54 +020076 printk(KERN_INFO "kvm: apic: phys broadcast and lowest prio\n");
Gleb Natapov1e08ec42012-09-13 17:19:24 +030077 irq->delivery_mode = APIC_DM_FIXED;
78 }
79
Yang Zhangb4f22252013-04-11 19:21:37 +080080 if (kvm_irq_delivery_to_apic_fast(kvm, src, irq, &r, dest_map))
Gleb Natapov1e08ec42012-09-13 17:19:24 +030081 return r;
Gleb Natapov343f94f2009-03-05 16:34:54 +020082
Gleb Natapov988a2ca2009-06-09 15:56:29 +030083 kvm_for_each_vcpu(i, vcpu, kvm) {
84 if (!kvm_apic_present(vcpu))
Gleb Natapov343f94f2009-03-05 16:34:54 +020085 continue;
Sheng Yang74a3a8f2009-03-04 13:33:02 +080086
Gleb Natapov58c2dde2009-03-05 16:35:04 +020087 if (!kvm_apic_match_dest(vcpu, src, irq->shorthand,
88 irq->dest_id, irq->dest_mode))
Gleb Natapov343f94f2009-03-05 16:34:54 +020089 continue;
90
Gleb Natapov58c2dde2009-03-05 16:35:04 +020091 if (!kvm_is_dm_lowest_prio(irq)) {
92 if (r < 0)
93 r = 0;
Yang Zhangb4f22252013-04-11 19:21:37 +080094 r += kvm_apic_set_irq(vcpu, irq, dest_map);
Chris Lalancetteaefd18f2010-06-16 17:11:13 -040095 } else if (kvm_lapic_enabled(vcpu)) {
Gleb Natapov58c2dde2009-03-05 16:35:04 +020096 if (!lowest)
97 lowest = vcpu;
98 else if (kvm_apic_compare_prio(vcpu, lowest) < 0)
99 lowest = vcpu;
Gleb Natapove1035712009-03-05 16:34:59 +0200100 }
Gleb Natapov343f94f2009-03-05 16:34:54 +0200101 }
102
Gleb Natapov58c2dde2009-03-05 16:35:04 +0200103 if (lowest)
Yang Zhangb4f22252013-04-11 19:21:37 +0800104 r = kvm_apic_set_irq(lowest, irq, dest_map);
Gleb Natapov58c2dde2009-03-05 16:35:04 +0200105
106 return r;
Sheng Yang116191b2009-02-11 16:03:37 +0800107}
108
Michael S. Tsirkin01f21882012-10-17 18:06:02 +0200109static inline void kvm_set_msi_irq(struct kvm_kernel_irq_routing_entry *e,
110 struct kvm_lapic_irq *irq)
111{
112 trace_kvm_msi_set_irq(e->msi.address_lo, e->msi.data);
113
114 irq->dest_id = (e->msi.address_lo &
115 MSI_ADDR_DEST_ID_MASK) >> MSI_ADDR_DEST_ID_SHIFT;
116 irq->vector = (e->msi.data &
117 MSI_DATA_VECTOR_MASK) >> MSI_DATA_VECTOR_SHIFT;
118 irq->dest_mode = (1 << MSI_ADDR_DEST_MODE_SHIFT) & e->msi.address_lo;
119 irq->trig_mode = (1 << MSI_DATA_TRIGGER_SHIFT) & e->msi.data;
120 irq->delivery_mode = e->msi.data & 0x700;
121 irq->level = 1;
122 irq->shorthand = 0;
123 /* TODO Deal with RH bit of MSI message address */
124}
125
Michael S. Tsirkinbd2b53b2010-11-18 19:09:08 +0200126int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e,
Yang Zhangaa2fbe62013-04-11 19:21:40 +0800127 struct kvm *kvm, int irq_source_id, int level, bool line_status)
Sheng Yang79950e12009-02-10 13:57:06 +0800128{
Gleb Natapov58c2dde2009-03-05 16:35:04 +0200129 struct kvm_lapic_irq irq;
Sheng Yang79950e12009-02-10 13:57:06 +0800130
Gleb Natapov1a6e4a82009-08-24 11:54:19 +0300131 if (!level)
132 return -1;
133
Michael S. Tsirkin01f21882012-10-17 18:06:02 +0200134 kvm_set_msi_irq(e, &irq);
Gleb Natapov1000ff82009-07-07 16:00:57 +0300135
Yang Zhangb4f22252013-04-11 19:21:37 +0800136 return kvm_irq_delivery_to_apic(kvm, NULL, &irq, NULL);
Sheng Yang79950e12009-02-10 13:57:06 +0800137}
138
Michael S. Tsirkin01f21882012-10-17 18:06:02 +0200139
140static int kvm_set_msi_inatomic(struct kvm_kernel_irq_routing_entry *e,
141 struct kvm *kvm)
142{
143 struct kvm_lapic_irq irq;
144 int r;
145
146 kvm_set_msi_irq(e, &irq);
147
Yang Zhangb4f22252013-04-11 19:21:37 +0800148 if (kvm_irq_delivery_to_apic_fast(kvm, NULL, &irq, &r, NULL))
Michael S. Tsirkin01f21882012-10-17 18:06:02 +0200149 return r;
150 else
151 return -EWOULDBLOCK;
152}
153
Michael S. Tsirkin01f21882012-10-17 18:06:02 +0200154/*
155 * Deliver an IRQ in an atomic context if we can, or return a failure,
156 * user can retry in a process context.
157 * Return value:
158 * -EWOULDBLOCK - Can't deliver in atomic context: retry in a process context.
159 * Other values - No need to retry.
160 */
161int kvm_set_irq_inatomic(struct kvm *kvm, int irq_source_id, u32 irq, int level)
162{
163 struct kvm_kernel_irq_routing_entry *e;
164 int ret = -EINVAL;
165 struct kvm_irq_routing_table *irq_rt;
Christian Borntraeger719d93c2014-01-16 13:44:20 +0100166 int idx;
Michael S. Tsirkin01f21882012-10-17 18:06:02 +0200167
168 trace_kvm_set_irq(irq, level, irq_source_id);
169
170 /*
171 * Injection into either PIC or IOAPIC might need to scan all CPUs,
172 * which would need to be retried from thread context; when same GSI
173 * is connected to both PIC and IOAPIC, we'd have to report a
174 * partial failure here.
175 * Since there's no easy way to do this, we only support injecting MSI
176 * which is limited to 1:1 GSI mapping.
177 */
Christian Borntraeger719d93c2014-01-16 13:44:20 +0100178 idx = srcu_read_lock(&kvm->irq_srcu);
179 irq_rt = srcu_dereference(kvm->irq_routing, &kvm->irq_srcu);
Michael S. Tsirkin01f21882012-10-17 18:06:02 +0200180 if (irq < irq_rt->nr_rt_entries)
Sasha Levinb67bfe02013-02-27 17:06:00 -0800181 hlist_for_each_entry(e, &irq_rt->map[irq], link) {
Michael S. Tsirkin01f21882012-10-17 18:06:02 +0200182 if (likely(e->type == KVM_IRQ_ROUTING_MSI))
183 ret = kvm_set_msi_inatomic(e, kvm);
184 else
185 ret = -EWOULDBLOCK;
186 break;
187 }
Christian Borntraeger719d93c2014-01-16 13:44:20 +0100188 srcu_read_unlock(&kvm->irq_srcu, idx);
Michael S. Tsirkin01f21882012-10-17 18:06:02 +0200189 return ret;
190}
191
Sheng Yang5550af42008-10-15 20:15:06 +0800192int kvm_request_irq_source_id(struct kvm *kvm)
193{
194 unsigned long *bitmap = &kvm->arch.irq_sources_bitmap;
Marcelo Tosattifa40a822009-06-04 15:08:24 -0300195 int irq_source_id;
196
197 mutex_lock(&kvm->irq_lock);
Marcelo Tosatticd5a2682009-10-17 22:47:23 -0300198 irq_source_id = find_first_zero_bit(bitmap, BITS_PER_LONG);
Mark McLoughlin61552362008-12-01 13:57:48 +0000199
Marcelo Tosatticd5a2682009-10-17 22:47:23 -0300200 if (irq_source_id >= BITS_PER_LONG) {
Sheng Yang5550af42008-10-15 20:15:06 +0800201 printk(KERN_WARNING "kvm: exhaust allocatable IRQ sources!\n");
Jiri Slaby0c6ddce2009-09-25 09:33:38 +0200202 irq_source_id = -EFAULT;
203 goto unlock;
Mark McLoughlin61552362008-12-01 13:57:48 +0000204 }
205
206 ASSERT(irq_source_id != KVM_USERSPACE_IRQ_SOURCE_ID);
Alex Williamson7a844282012-09-21 11:58:03 -0600207#ifdef CONFIG_X86
208 ASSERT(irq_source_id != KVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID);
209#endif
Mark McLoughlin61552362008-12-01 13:57:48 +0000210 set_bit(irq_source_id, bitmap);
Jiri Slaby0c6ddce2009-09-25 09:33:38 +0200211unlock:
Marcelo Tosattifa40a822009-06-04 15:08:24 -0300212 mutex_unlock(&kvm->irq_lock);
Mark McLoughlin61552362008-12-01 13:57:48 +0000213
Sheng Yang5550af42008-10-15 20:15:06 +0800214 return irq_source_id;
215}
216
217void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id)
218{
Mark McLoughlin61552362008-12-01 13:57:48 +0000219 ASSERT(irq_source_id != KVM_USERSPACE_IRQ_SOURCE_ID);
Alex Williamson7a844282012-09-21 11:58:03 -0600220#ifdef CONFIG_X86
221 ASSERT(irq_source_id != KVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID);
222#endif
Mark McLoughlin61552362008-12-01 13:57:48 +0000223
Marcelo Tosattifa40a822009-06-04 15:08:24 -0300224 mutex_lock(&kvm->irq_lock);
Mark McLoughlin61552362008-12-01 13:57:48 +0000225 if (irq_source_id < 0 ||
Marcelo Tosatticd5a2682009-10-17 22:47:23 -0300226 irq_source_id >= BITS_PER_LONG) {
Sheng Yang5550af42008-10-15 20:15:06 +0800227 printk(KERN_ERR "kvm: IRQ source ID out of range!\n");
Jiri Slaby0c6ddce2009-09-25 09:33:38 +0200228 goto unlock;
Sheng Yang5550af42008-10-15 20:15:06 +0800229 }
Marcelo Tosattie50212b2009-10-29 13:44:17 -0200230 clear_bit(irq_source_id, &kvm->arch.irq_sources_bitmap);
231 if (!irqchip_in_kernel(kvm))
232 goto unlock;
233
Michael S. Tsirkin1a577b72012-07-19 13:45:20 +0300234 kvm_ioapic_clear_all(kvm->arch.vioapic, irq_source_id);
Gleb Natapov1a6e4a82009-08-24 11:54:19 +0300235#ifdef CONFIG_X86
Michael S. Tsirkin1a577b72012-07-19 13:45:20 +0300236 kvm_pic_clear_all(pic_irqchip(kvm), irq_source_id);
Gleb Natapov1a6e4a82009-08-24 11:54:19 +0300237#endif
Jiri Slaby0c6ddce2009-09-25 09:33:38 +0200238unlock:
Marcelo Tosattifa40a822009-06-04 15:08:24 -0300239 mutex_unlock(&kvm->irq_lock);
Sheng Yang5550af42008-10-15 20:15:06 +0800240}
Avi Kivity75858a82009-01-04 17:10:50 +0200241
242void kvm_register_irq_mask_notifier(struct kvm *kvm, int irq,
243 struct kvm_irq_mask_notifier *kimn)
244{
Marcelo Tosattifa40a822009-06-04 15:08:24 -0300245 mutex_lock(&kvm->irq_lock);
Avi Kivity75858a82009-01-04 17:10:50 +0200246 kimn->irq = irq;
Gleb Natapov280aa172009-08-24 11:54:24 +0300247 hlist_add_head_rcu(&kimn->link, &kvm->mask_notifier_list);
Marcelo Tosattifa40a822009-06-04 15:08:24 -0300248 mutex_unlock(&kvm->irq_lock);
Avi Kivity75858a82009-01-04 17:10:50 +0200249}
250
251void kvm_unregister_irq_mask_notifier(struct kvm *kvm, int irq,
252 struct kvm_irq_mask_notifier *kimn)
253{
Marcelo Tosattifa40a822009-06-04 15:08:24 -0300254 mutex_lock(&kvm->irq_lock);
Gleb Natapov280aa172009-08-24 11:54:24 +0300255 hlist_del_rcu(&kimn->link);
Marcelo Tosattifa40a822009-06-04 15:08:24 -0300256 mutex_unlock(&kvm->irq_lock);
Christian Borntraeger719d93c2014-01-16 13:44:20 +0100257 synchronize_srcu(&kvm->irq_srcu);
Avi Kivity75858a82009-01-04 17:10:50 +0200258}
259
Gleb Natapov4a994352010-07-11 15:32:23 +0300260void kvm_fire_mask_notifiers(struct kvm *kvm, unsigned irqchip, unsigned pin,
261 bool mask)
Avi Kivity75858a82009-01-04 17:10:50 +0200262{
263 struct kvm_irq_mask_notifier *kimn;
Christian Borntraeger719d93c2014-01-16 13:44:20 +0100264 int idx, gsi;
Avi Kivity75858a82009-01-04 17:10:50 +0200265
Christian Borntraeger719d93c2014-01-16 13:44:20 +0100266 idx = srcu_read_lock(&kvm->irq_srcu);
267 gsi = srcu_dereference(kvm->irq_routing, &kvm->irq_srcu)->chip[irqchip][pin];
Gleb Natapov4a994352010-07-11 15:32:23 +0300268 if (gsi != -1)
Sasha Levinb67bfe02013-02-27 17:06:00 -0800269 hlist_for_each_entry_rcu(kimn, &kvm->mask_notifier_list, link)
Gleb Natapov4a994352010-07-11 15:32:23 +0300270 if (kimn->irq == gsi)
271 kimn->func(kimn, mask);
Christian Borntraeger719d93c2014-01-16 13:44:20 +0100272 srcu_read_unlock(&kvm->irq_srcu, idx);
Avi Kivity75858a82009-01-04 17:10:50 +0200273}
274
Alexander Grafe8cde092013-04-15 23:23:21 +0200275int kvm_set_routing_entry(struct kvm_irq_routing_table *rt,
276 struct kvm_kernel_irq_routing_entry *e,
277 const struct kvm_irq_routing_entry *ue)
Avi Kivity399ec802008-11-19 13:58:46 +0200278{
279 int r = -EINVAL;
280 int delta;
Marcelo Tosattid72118c2010-01-12 16:42:09 -0200281 unsigned max_pin;
Gleb Natapov46e624b2009-08-24 11:54:20 +0300282
Avi Kivity399ec802008-11-19 13:58:46 +0200283 switch (ue->type) {
284 case KVM_IRQ_ROUTING_IRQCHIP:
285 delta = 0;
286 switch (ue->u.irqchip.irqchip) {
287 case KVM_IRQCHIP_PIC_MASTER:
288 e->set = kvm_set_pic_irq;
Michael S. Tsirkin93b65472012-07-19 13:55:53 +0300289 max_pin = PIC_NUM_PINS;
Avi Kivity399ec802008-11-19 13:58:46 +0200290 break;
291 case KVM_IRQCHIP_PIC_SLAVE:
Gleb Natapov49256632009-02-04 17:28:14 +0200292 e->set = kvm_set_pic_irq;
Michael S. Tsirkin93b65472012-07-19 13:55:53 +0300293 max_pin = PIC_NUM_PINS;
Avi Kivity399ec802008-11-19 13:58:46 +0200294 delta = 8;
295 break;
296 case KVM_IRQCHIP_IOAPIC:
Marcelo Tosattid72118c2010-01-12 16:42:09 -0200297 max_pin = KVM_IOAPIC_NUM_PINS;
Chris Wrightefbc1002009-05-01 14:15:43 -0700298 e->set = kvm_set_ioapic_irq;
Avi Kivity399ec802008-11-19 13:58:46 +0200299 break;
300 default:
301 goto out;
302 }
303 e->irqchip.irqchip = ue->u.irqchip.irqchip;
304 e->irqchip.pin = ue->u.irqchip.pin + delta;
Marcelo Tosattid72118c2010-01-12 16:42:09 -0200305 if (e->irqchip.pin >= max_pin)
Gleb Natapov3e71f882009-08-24 11:54:21 +0300306 goto out;
307 rt->chip[ue->u.irqchip.irqchip][e->irqchip.pin] = ue->gsi;
Avi Kivity399ec802008-11-19 13:58:46 +0200308 break;
Sheng Yang79950e12009-02-10 13:57:06 +0800309 case KVM_IRQ_ROUTING_MSI:
310 e->set = kvm_set_msi;
311 e->msi.address_lo = ue->u.msi.address_lo;
312 e->msi.address_hi = ue->u.msi.address_hi;
313 e->msi.data = ue->u.msi.data;
314 break;
Avi Kivity399ec802008-11-19 13:58:46 +0200315 default:
316 goto out;
317 }
Gleb Natapov46e624b2009-08-24 11:54:20 +0300318
Avi Kivity399ec802008-11-19 13:58:46 +0200319 r = 0;
320out:
321 return r;
322}
323
Avi Kivity399ec802008-11-19 13:58:46 +0200324#define IOAPIC_ROUTING_ENTRY(irq) \
325 { .gsi = irq, .type = KVM_IRQ_ROUTING_IRQCHIP, \
326 .u.irqchip.irqchip = KVM_IRQCHIP_IOAPIC, .u.irqchip.pin = (irq) }
327#define ROUTING_ENTRY1(irq) IOAPIC_ROUTING_ENTRY(irq)
328
329#ifdef CONFIG_X86
Avi Kivity399ec802008-11-19 13:58:46 +0200330# define PIC_ROUTING_ENTRY(irq) \
331 { .gsi = irq, .type = KVM_IRQ_ROUTING_IRQCHIP, \
332 .u.irqchip.irqchip = SELECT_PIC(irq), .u.irqchip.pin = (irq) % 8 }
333# define ROUTING_ENTRY2(irq) \
334 IOAPIC_ROUTING_ENTRY(irq), PIC_ROUTING_ENTRY(irq)
335#else
336# define ROUTING_ENTRY2(irq) \
337 IOAPIC_ROUTING_ENTRY(irq)
338#endif
339
340static const struct kvm_irq_routing_entry default_routing[] = {
341 ROUTING_ENTRY2(0), ROUTING_ENTRY2(1),
342 ROUTING_ENTRY2(2), ROUTING_ENTRY2(3),
343 ROUTING_ENTRY2(4), ROUTING_ENTRY2(5),
344 ROUTING_ENTRY2(6), ROUTING_ENTRY2(7),
345 ROUTING_ENTRY2(8), ROUTING_ENTRY2(9),
346 ROUTING_ENTRY2(10), ROUTING_ENTRY2(11),
347 ROUTING_ENTRY2(12), ROUTING_ENTRY2(13),
348 ROUTING_ENTRY2(14), ROUTING_ENTRY2(15),
349 ROUTING_ENTRY1(16), ROUTING_ENTRY1(17),
350 ROUTING_ENTRY1(18), ROUTING_ENTRY1(19),
351 ROUTING_ENTRY1(20), ROUTING_ENTRY1(21),
352 ROUTING_ENTRY1(22), ROUTING_ENTRY1(23),
353#ifdef CONFIG_IA64
354 ROUTING_ENTRY1(24), ROUTING_ENTRY1(25),
355 ROUTING_ENTRY1(26), ROUTING_ENTRY1(27),
356 ROUTING_ENTRY1(28), ROUTING_ENTRY1(29),
357 ROUTING_ENTRY1(30), ROUTING_ENTRY1(31),
358 ROUTING_ENTRY1(32), ROUTING_ENTRY1(33),
359 ROUTING_ENTRY1(34), ROUTING_ENTRY1(35),
360 ROUTING_ENTRY1(36), ROUTING_ENTRY1(37),
361 ROUTING_ENTRY1(38), ROUTING_ENTRY1(39),
362 ROUTING_ENTRY1(40), ROUTING_ENTRY1(41),
363 ROUTING_ENTRY1(42), ROUTING_ENTRY1(43),
364 ROUTING_ENTRY1(44), ROUTING_ENTRY1(45),
365 ROUTING_ENTRY1(46), ROUTING_ENTRY1(47),
366#endif
367};
368
369int kvm_setup_default_irq_routing(struct kvm *kvm)
370{
371 return kvm_set_irq_routing(kvm, default_routing,
372 ARRAY_SIZE(default_routing), 0);
373}