blob: 9b8683f39e0533576440892bed1ba16577dd6421 [file] [log] [blame]
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -05001/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License, version 2, as
4 * published by the Free Software Foundation.
5 *
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 * GNU General Public License for more details.
10 *
11 * You should have received a copy of the GNU General Public License
12 * along with this program; if not, write to the Free Software
13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
14 *
15 * Copyright IBM Corp. 2007
16 *
17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
18 * Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
19 */
20
21#include <linux/errno.h>
22#include <linux/err.h>
23#include <linux/kvm_host.h>
24#include <linux/module.h>
25#include <linux/vmalloc.h>
Alexander Graf544c6762009-11-02 12:02:31 +000026#include <linux/hrtimer.h>
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050027#include <linux/fs.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090028#include <linux/slab.h>
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050029#include <asm/cputable.h>
30#include <asm/uaccess.h>
31#include <asm/kvm_ppc.h>
Hollis Blanchard83aae4a2008-07-25 13:54:52 -050032#include <asm/tlbflush.h>
Hollis Blanchard73e75b42008-12-02 15:51:57 -060033#include "timing.h"
Paul Mackerrasfad7b9b2008-12-23 14:57:26 +110034#include "../mm/mmu_decl.h"
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050035
Marcelo Tosatti46f43c62009-06-18 11:47:27 -030036#define CREATE_TRACE_POINTS
37#include "trace.h"
38
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050039gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn)
40{
41 return gfn;
42}
43
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050044int kvm_arch_vcpu_runnable(struct kvm_vcpu *v)
45{
Gleb Natapova1b37102009-07-09 15:33:52 +030046 return !(v->arch.msr & MSR_WE) || !!(v->arch.pending_exceptions);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050047}
48
49
50int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu)
51{
52 enum emulation_result er;
53 int r;
54
55 er = kvmppc_emulate_instruction(run, vcpu);
56 switch (er) {
57 case EMULATE_DONE:
58 /* Future optimization: only reload non-volatiles if they were
59 * actually modified. */
60 r = RESUME_GUEST_NV;
61 break;
62 case EMULATE_DO_MMIO:
63 run->exit_reason = KVM_EXIT_MMIO;
64 /* We must reload nonvolatiles because "update" load/store
65 * instructions modify register state. */
66 /* Future optimization: only reload non-volatiles if they were
67 * actually modified. */
68 r = RESUME_HOST_NV;
69 break;
70 case EMULATE_FAIL:
71 /* XXX Deliver Program interrupt to guest. */
72 printk(KERN_EMERG "%s: emulation failed (%08x)\n", __func__,
Alexander Grafc7f38f42010-04-16 00:11:40 +020073 kvmppc_get_last_inst(vcpu));
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050074 r = RESUME_HOST;
75 break;
76 default:
77 BUG();
78 }
79
80 return r;
81}
82
Alexander Graf10474ae2009-09-15 11:37:46 +020083int kvm_arch_hardware_enable(void *garbage)
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050084{
Alexander Graf10474ae2009-09-15 11:37:46 +020085 return 0;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050086}
87
88void kvm_arch_hardware_disable(void *garbage)
89{
90}
91
92int kvm_arch_hardware_setup(void)
93{
94 return 0;
95}
96
97void kvm_arch_hardware_unsetup(void)
98{
99}
100
101void kvm_arch_check_processor_compat(void *rtn)
102{
Hollis Blanchard9dd921c2008-11-05 09:36:14 -0600103 *(int *)rtn = kvmppc_core_check_processor_compat();
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500104}
105
106struct kvm *kvm_arch_create_vm(void)
107{
108 struct kvm *kvm;
109
110 kvm = kzalloc(sizeof(struct kvm), GFP_KERNEL);
111 if (!kvm)
112 return ERR_PTR(-ENOMEM);
113
114 return kvm;
115}
116
117static void kvmppc_free_vcpus(struct kvm *kvm)
118{
119 unsigned int i;
Gleb Natapov988a2ca2009-06-09 15:56:29 +0300120 struct kvm_vcpu *vcpu;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500121
Gleb Natapov988a2ca2009-06-09 15:56:29 +0300122 kvm_for_each_vcpu(i, vcpu, kvm)
123 kvm_arch_vcpu_free(vcpu);
124
125 mutex_lock(&kvm->lock);
126 for (i = 0; i < atomic_read(&kvm->online_vcpus); i++)
127 kvm->vcpus[i] = NULL;
128
129 atomic_set(&kvm->online_vcpus, 0);
130 mutex_unlock(&kvm->lock);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500131}
132
Sheng Yangad8ba2c2009-01-06 10:03:02 +0800133void kvm_arch_sync_events(struct kvm *kvm)
134{
135}
136
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500137void kvm_arch_destroy_vm(struct kvm *kvm)
138{
139 kvmppc_free_vcpus(kvm);
140 kvm_free_physmem(kvm);
Marcelo Tosatti64749202010-01-19 12:45:23 -0200141 cleanup_srcu_struct(&kvm->srcu);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500142 kfree(kvm);
143}
144
145int kvm_dev_ioctl_check_extension(long ext)
146{
147 int r;
148
149 switch (ext) {
Alexander Grafe15a1132009-11-30 03:02:02 +0000150 case KVM_CAP_PPC_SEGSTATE:
Alexander Grafc10207f2010-02-19 11:00:45 +0100151 case KVM_CAP_PPC_PAIRED_SINGLES:
Alexander Graf18978762010-03-24 21:48:18 +0100152 case KVM_CAP_PPC_UNSET_IRQ:
Alexander Graf71fbfd52010-03-24 21:48:29 +0100153 case KVM_CAP_ENABLE_CAP:
Alexander Grafad0a0482010-03-24 21:48:30 +0100154 case KVM_CAP_PPC_OSI:
Alexander Grafe15a1132009-11-30 03:02:02 +0000155 r = 1;
156 break;
Laurent Vivier588968b2008-05-30 16:05:56 +0200157 case KVM_CAP_COALESCED_MMIO:
158 r = KVM_COALESCED_MMIO_PAGE_OFFSET;
159 break;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500160 default:
161 r = 0;
162 break;
163 }
164 return r;
165
166}
167
168long kvm_arch_dev_ioctl(struct file *filp,
169 unsigned int ioctl, unsigned long arg)
170{
171 return -EINVAL;
172}
173
Marcelo Tosattif7784b82009-12-23 14:35:18 -0200174int kvm_arch_prepare_memory_region(struct kvm *kvm,
175 struct kvm_memory_slot *memslot,
176 struct kvm_memory_slot old,
177 struct kvm_userspace_memory_region *mem,
178 int user_alloc)
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500179{
180 return 0;
181}
182
Marcelo Tosattif7784b82009-12-23 14:35:18 -0200183void kvm_arch_commit_memory_region(struct kvm *kvm,
184 struct kvm_userspace_memory_region *mem,
185 struct kvm_memory_slot old,
186 int user_alloc)
187{
188 return;
189}
190
191
Marcelo Tosatti34d4cb82008-07-10 20:49:31 -0300192void kvm_arch_flush_shadow(struct kvm *kvm)
193{
194}
195
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500196struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
197{
Hollis Blanchard73e75b42008-12-02 15:51:57 -0600198 struct kvm_vcpu *vcpu;
199 vcpu = kvmppc_core_vcpu_create(kvm, id);
Wei Yongjun06056bf2010-03-09 14:13:43 +0800200 if (!IS_ERR(vcpu))
201 kvmppc_create_vcpu_debugfs(vcpu, id);
Hollis Blanchard73e75b42008-12-02 15:51:57 -0600202 return vcpu;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500203}
204
205void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
206{
Alexander Grafa5954052010-02-22 16:52:14 +0100207 /* Make sure we're not using the vcpu anymore */
208 hrtimer_cancel(&vcpu->arch.dec_timer);
209 tasklet_kill(&vcpu->arch.tasklet);
210
Hollis Blanchard73e75b42008-12-02 15:51:57 -0600211 kvmppc_remove_vcpu_debugfs(vcpu);
Hollis Blancharddb93f572008-11-05 09:36:18 -0600212 kvmppc_core_vcpu_free(vcpu);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500213}
214
215void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
216{
217 kvm_arch_vcpu_free(vcpu);
218}
219
220int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu)
221{
Hollis Blanchard9dd921c2008-11-05 09:36:14 -0600222 return kvmppc_core_pending_dec(vcpu);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500223}
224
225static void kvmppc_decrementer_func(unsigned long data)
226{
227 struct kvm_vcpu *vcpu = (struct kvm_vcpu *)data;
228
Hollis Blanchard9dd921c2008-11-05 09:36:14 -0600229 kvmppc_core_queue_dec(vcpu);
Hollis Blanchard45c5eb62008-04-25 17:55:49 -0500230
231 if (waitqueue_active(&vcpu->wq)) {
232 wake_up_interruptible(&vcpu->wq);
233 vcpu->stat.halt_wakeup++;
234 }
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500235}
236
Alexander Graf544c6762009-11-02 12:02:31 +0000237/*
238 * low level hrtimer wake routine. Because this runs in hardirq context
239 * we schedule a tasklet to do the real work.
240 */
241enum hrtimer_restart kvmppc_decrementer_wakeup(struct hrtimer *timer)
242{
243 struct kvm_vcpu *vcpu;
244
245 vcpu = container_of(timer, struct kvm_vcpu, arch.dec_timer);
246 tasklet_schedule(&vcpu->arch.tasklet);
247
248 return HRTIMER_NORESTART;
249}
250
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500251int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
252{
Alexander Graf544c6762009-11-02 12:02:31 +0000253 hrtimer_init(&vcpu->arch.dec_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS);
254 tasklet_init(&vcpu->arch.tasklet, kvmppc_decrementer_func, (ulong)vcpu);
255 vcpu->arch.dec_timer.function = kvmppc_decrementer_wakeup;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500256
257 return 0;
258}
259
260void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)
261{
Hollis Blanchardecc09812009-01-03 16:22:59 -0600262 kvmppc_mmu_destroy(vcpu);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500263}
264
265void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
266{
Hollis Blanchard9dd921c2008-11-05 09:36:14 -0600267 kvmppc_core_vcpu_load(vcpu, cpu);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500268}
269
270void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
271{
Hollis Blanchard9dd921c2008-11-05 09:36:14 -0600272 kvmppc_core_vcpu_put(vcpu);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500273}
274
Jan Kiszkad0bfb942008-12-15 13:52:10 +0100275int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
Hollis Blanchardf5d09062009-01-04 13:51:09 -0600276 struct kvm_guest_debug *dbg)
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500277{
Hollis Blanchardf5d09062009-01-04 13:51:09 -0600278 return -EINVAL;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500279}
280
281static void kvmppc_complete_dcr_load(struct kvm_vcpu *vcpu,
282 struct kvm_run *run)
283{
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100284 kvmppc_set_gpr(vcpu, vcpu->arch.io_gpr, run->dcr.data);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500285}
286
287static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
288 struct kvm_run *run)
289{
Alexander Grafb104d062010-02-19 11:00:29 +0100290 u64 gpr;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500291
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100292 if (run->mmio.len > sizeof(gpr)) {
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500293 printk(KERN_ERR "bad MMIO length: %d\n", run->mmio.len);
294 return;
295 }
296
297 if (vcpu->arch.mmio_is_bigendian) {
298 switch (run->mmio.len) {
Alexander Grafb104d062010-02-19 11:00:29 +0100299 case 8: gpr = *(u64 *)run->mmio.data; break;
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100300 case 4: gpr = *(u32 *)run->mmio.data; break;
301 case 2: gpr = *(u16 *)run->mmio.data; break;
302 case 1: gpr = *(u8 *)run->mmio.data; break;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500303 }
304 } else {
305 /* Convert BE data from userland back to LE. */
306 switch (run->mmio.len) {
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100307 case 4: gpr = ld_le32((u32 *)run->mmio.data); break;
308 case 2: gpr = ld_le16((u16 *)run->mmio.data); break;
309 case 1: gpr = *(u8 *)run->mmio.data; break;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500310 }
311 }
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100312
Alexander Graf3587d532010-02-19 11:00:30 +0100313 if (vcpu->arch.mmio_sign_extend) {
314 switch (run->mmio.len) {
315#ifdef CONFIG_PPC64
316 case 4:
317 gpr = (s64)(s32)gpr;
318 break;
319#endif
320 case 2:
321 gpr = (s64)(s16)gpr;
322 break;
323 case 1:
324 gpr = (s64)(s8)gpr;
325 break;
326 }
327 }
328
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100329 kvmppc_set_gpr(vcpu, vcpu->arch.io_gpr, gpr);
Alexander Grafb104d062010-02-19 11:00:29 +0100330
331 switch (vcpu->arch.io_gpr & KVM_REG_EXT_MASK) {
332 case KVM_REG_GPR:
333 kvmppc_set_gpr(vcpu, vcpu->arch.io_gpr, gpr);
334 break;
335 case KVM_REG_FPR:
336 vcpu->arch.fpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
337 break;
Alexander Graf287d5612010-04-01 15:33:21 +0200338#ifdef CONFIG_PPC_BOOK3S
Alexander Grafb104d062010-02-19 11:00:29 +0100339 case KVM_REG_QPR:
340 vcpu->arch.qpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
341 break;
342 case KVM_REG_FQPR:
343 vcpu->arch.fpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
344 vcpu->arch.qpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
345 break;
Alexander Graf287d5612010-04-01 15:33:21 +0200346#endif
Alexander Grafb104d062010-02-19 11:00:29 +0100347 default:
348 BUG();
349 }
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500350}
351
352int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
353 unsigned int rt, unsigned int bytes, int is_bigendian)
354{
355 if (bytes > sizeof(run->mmio.data)) {
356 printk(KERN_ERR "%s: bad MMIO length: %d\n", __func__,
357 run->mmio.len);
358 }
359
360 run->mmio.phys_addr = vcpu->arch.paddr_accessed;
361 run->mmio.len = bytes;
362 run->mmio.is_write = 0;
363
364 vcpu->arch.io_gpr = rt;
365 vcpu->arch.mmio_is_bigendian = is_bigendian;
366 vcpu->mmio_needed = 1;
367 vcpu->mmio_is_write = 0;
Alexander Graf3587d532010-02-19 11:00:30 +0100368 vcpu->arch.mmio_sign_extend = 0;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500369
370 return EMULATE_DO_MMIO;
371}
372
Alexander Graf3587d532010-02-19 11:00:30 +0100373/* Same as above, but sign extends */
374int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu,
375 unsigned int rt, unsigned int bytes, int is_bigendian)
376{
377 int r;
378
379 r = kvmppc_handle_load(run, vcpu, rt, bytes, is_bigendian);
380 vcpu->arch.mmio_sign_extend = 1;
381
382 return r;
383}
384
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500385int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
Alexander Grafb104d062010-02-19 11:00:29 +0100386 u64 val, unsigned int bytes, int is_bigendian)
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500387{
388 void *data = run->mmio.data;
389
390 if (bytes > sizeof(run->mmio.data)) {
391 printk(KERN_ERR "%s: bad MMIO length: %d\n", __func__,
392 run->mmio.len);
393 }
394
395 run->mmio.phys_addr = vcpu->arch.paddr_accessed;
396 run->mmio.len = bytes;
397 run->mmio.is_write = 1;
398 vcpu->mmio_needed = 1;
399 vcpu->mmio_is_write = 1;
400
401 /* Store the value at the lowest bytes in 'data'. */
402 if (is_bigendian) {
403 switch (bytes) {
Alexander Grafb104d062010-02-19 11:00:29 +0100404 case 8: *(u64 *)data = val; break;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500405 case 4: *(u32 *)data = val; break;
406 case 2: *(u16 *)data = val; break;
407 case 1: *(u8 *)data = val; break;
408 }
409 } else {
410 /* Store LE value into 'data'. */
411 switch (bytes) {
412 case 4: st_le32(data, val); break;
413 case 2: st_le16(data, val); break;
414 case 1: *(u8 *)data = val; break;
415 }
416 }
417
418 return EMULATE_DO_MMIO;
419}
420
421int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
422{
423 int r;
424 sigset_t sigsaved;
425
Hollis Blanchard45c5eb62008-04-25 17:55:49 -0500426 vcpu_load(vcpu);
427
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500428 if (vcpu->sigset_active)
429 sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
430
431 if (vcpu->mmio_needed) {
432 if (!vcpu->mmio_is_write)
433 kvmppc_complete_mmio_load(vcpu, run);
434 vcpu->mmio_needed = 0;
435 } else if (vcpu->arch.dcr_needed) {
436 if (!vcpu->arch.dcr_is_write)
437 kvmppc_complete_dcr_load(vcpu, run);
438 vcpu->arch.dcr_needed = 0;
Alexander Grafad0a0482010-03-24 21:48:30 +0100439 } else if (vcpu->arch.osi_needed) {
440 u64 *gprs = run->osi.gprs;
441 int i;
442
443 for (i = 0; i < 32; i++)
444 kvmppc_set_gpr(vcpu, i, gprs[i]);
445 vcpu->arch.osi_needed = 0;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500446 }
447
Hollis Blanchard9dd921c2008-11-05 09:36:14 -0600448 kvmppc_core_deliver_interrupts(vcpu);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500449
450 local_irq_disable();
451 kvm_guest_enter();
452 r = __kvmppc_vcpu_run(run, vcpu);
453 kvm_guest_exit();
454 local_irq_enable();
455
456 if (vcpu->sigset_active)
457 sigprocmask(SIG_SETMASK, &sigsaved, NULL);
458
Hollis Blanchard45c5eb62008-04-25 17:55:49 -0500459 vcpu_put(vcpu);
460
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500461 return r;
462}
463
464int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq)
465{
Alexander Graf18978762010-03-24 21:48:18 +0100466 if (irq->irq == KVM_INTERRUPT_UNSET)
467 kvmppc_core_dequeue_external(vcpu, irq);
468 else
469 kvmppc_core_queue_external(vcpu, irq);
Hollis Blanchard45c5eb62008-04-25 17:55:49 -0500470
471 if (waitqueue_active(&vcpu->wq)) {
472 wake_up_interruptible(&vcpu->wq);
473 vcpu->stat.halt_wakeup++;
474 }
475
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500476 return 0;
477}
478
Alexander Graf71fbfd52010-03-24 21:48:29 +0100479static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu,
480 struct kvm_enable_cap *cap)
481{
482 int r;
483
484 if (cap->flags)
485 return -EINVAL;
486
487 switch (cap->cap) {
Alexander Grafad0a0482010-03-24 21:48:30 +0100488 case KVM_CAP_PPC_OSI:
489 r = 0;
490 vcpu->arch.osi_enabled = true;
491 break;
Alexander Graf71fbfd52010-03-24 21:48:29 +0100492 default:
493 r = -EINVAL;
494 break;
495 }
496
497 return r;
498}
499
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500500int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu,
501 struct kvm_mp_state *mp_state)
502{
503 return -EINVAL;
504}
505
506int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
507 struct kvm_mp_state *mp_state)
508{
509 return -EINVAL;
510}
511
512long kvm_arch_vcpu_ioctl(struct file *filp,
513 unsigned int ioctl, unsigned long arg)
514{
515 struct kvm_vcpu *vcpu = filp->private_data;
516 void __user *argp = (void __user *)arg;
517 long r;
518
519 switch (ioctl) {
520 case KVM_INTERRUPT: {
521 struct kvm_interrupt irq;
522 r = -EFAULT;
523 if (copy_from_user(&irq, argp, sizeof(irq)))
524 goto out;
525 r = kvm_vcpu_ioctl_interrupt(vcpu, &irq);
526 break;
527 }
Alexander Graf71fbfd52010-03-24 21:48:29 +0100528 case KVM_ENABLE_CAP:
529 {
530 struct kvm_enable_cap cap;
531 r = -EFAULT;
532 if (copy_from_user(&cap, argp, sizeof(cap)))
533 goto out;
534 r = kvm_vcpu_ioctl_enable_cap(vcpu, &cap);
535 break;
536 }
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500537 default:
538 r = -EINVAL;
539 }
540
541out:
542 return r;
543}
544
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500545long kvm_arch_vm_ioctl(struct file *filp,
546 unsigned int ioctl, unsigned long arg)
547{
548 long r;
549
550 switch (ioctl) {
551 default:
Avi Kivity367e1312009-08-26 14:57:07 +0300552 r = -ENOTTY;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500553 }
554
555 return r;
556}
557
558int kvm_arch_init(void *opaque)
559{
560 return 0;
561}
562
563void kvm_arch_exit(void)
564{
565}