2 * Copyright (c) 2011 NetApp, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/sysctl.h>
34 #include <sys/ioctl.h>
36 #include <sys/_iovec.h>
37 #include <sys/cpuset.h>
39 #include <x86/segments.h>
40 #include <machine/specialreg.h>
41 #include <machine/param.h>
52 #include <machine/vmm.h>
53 #include <machine/vmm_dev.h>
57 #define MB (1024 * 1024UL)
58 #define GB (1024 * 1024 * 1024UL)
62 uint32_t lowmem_limit;
63 enum vm_mmap_style vms;
72 #define CREATE(x) sysctlbyname("hw.vmm.create", NULL, NULL, (x), strlen((x)))
73 #define DESTROY(x) sysctlbyname("hw.vmm.destroy", NULL, NULL, (x), strlen((x)))
76 vm_device_open(const char *name)
81 len = strlen("/dev/vmm/") + strlen(name) + 1;
83 assert(vmfile != NULL);
84 snprintf(vmfile, len, "/dev/vmm/%s", name);
86 /* Open the device file */
87 fd = open(vmfile, O_RDWR, 0);
94 vm_create(const char *name)
97 return (CREATE((char *)name));
101 vm_open(const char *name)
105 vm = malloc(sizeof(struct vmctx) + strlen(name) + 1);
110 vm->lowmem_limit = 3 * GB;
111 vm->name = (char *)(vm + 1);
112 strcpy(vm->name, name);
114 if ((vm->fd = vm_device_open(vm->name)) < 0)
124 vm_destroy(struct vmctx *vm)
136 vm_parse_memsize(const char *optarg, size_t *ret_memsize)
142 optval = strtoul(optarg, &endptr, 0);
143 if (*optarg != '\0' && *endptr == '\0') {
145 * For the sake of backward compatibility if the memory size
146 * specified on the command line is less than a megabyte then
147 * it is interpreted as being in units of MB.
151 *ret_memsize = optval;
154 error = expand_number(optarg, ret_memsize);
160 vm_get_memory_seg(struct vmctx *ctx, vm_paddr_t gpa, size_t *ret_len,
164 struct vm_memory_segment seg;
166 bzero(&seg, sizeof(seg));
168 error = ioctl(ctx->fd, VM_GET_MEMORY_SEG, &seg);
176 vm_get_lowmem_limit(struct vmctx *ctx)
179 return (ctx->lowmem_limit);
183 vm_set_lowmem_limit(struct vmctx *ctx, uint32_t limit)
186 ctx->lowmem_limit = limit;
190 vm_set_memflags(struct vmctx *ctx, int flags)
193 ctx->memflags = flags;
197 setup_memory_segment(struct vmctx *ctx, vm_paddr_t gpa, size_t len, char **addr)
199 int error, mmap_flags;
200 struct vm_memory_segment seg;
203 * Create and optionally map 'len' bytes of memory at guest
204 * physical address 'gpa'
206 bzero(&seg, sizeof(seg));
209 error = ioctl(ctx->fd, VM_MAP_MEMORY, &seg);
210 if (error == 0 && addr != NULL) {
211 mmap_flags = MAP_SHARED;
212 if ((ctx->memflags & VM_MEM_F_INCORE) == 0)
213 mmap_flags |= MAP_NOCORE;
214 *addr = mmap(NULL, len, PROT_READ | PROT_WRITE, mmap_flags,
221 vm_setup_memory(struct vmctx *ctx, size_t memsize, enum vm_mmap_style vms)
226 /* XXX VM_MMAP_SPARSE not implemented yet */
227 assert(vms == VM_MMAP_NONE || vms == VM_MMAP_ALL);
231 * If 'memsize' cannot fit entirely in the 'lowmem' segment then
232 * create another 'highmem' segment above 4GB for the remainder.
234 if (memsize > ctx->lowmem_limit) {
235 ctx->lowmem = ctx->lowmem_limit;
236 ctx->highmem = memsize - ctx->lowmem;
238 ctx->lowmem = memsize;
242 if (ctx->lowmem > 0) {
243 addr = (vms == VM_MMAP_ALL) ? &ctx->lowmem_addr : NULL;
244 error = setup_memory_segment(ctx, 0, ctx->lowmem, addr);
249 if (ctx->highmem > 0) {
250 addr = (vms == VM_MMAP_ALL) ? &ctx->highmem_addr : NULL;
251 error = setup_memory_segment(ctx, 4*GB, ctx->highmem, addr);
260 vm_map_gpa(struct vmctx *ctx, vm_paddr_t gaddr, size_t len)
263 /* XXX VM_MMAP_SPARSE not implemented yet */
264 assert(ctx->vms == VM_MMAP_ALL);
266 if (gaddr < ctx->lowmem && len <= ctx->lowmem &&
267 gaddr + len <= ctx->lowmem)
268 return ((void *)(ctx->lowmem_addr + gaddr));
272 if (gaddr < ctx->highmem && len <= ctx->highmem &&
273 gaddr + len <= ctx->highmem)
274 return ((void *)(ctx->highmem_addr + gaddr));
281 vm_get_lowmem_size(struct vmctx *ctx)
284 return (ctx->lowmem);
288 vm_get_highmem_size(struct vmctx *ctx)
291 return (ctx->highmem);
295 vm_set_desc(struct vmctx *ctx, int vcpu, int reg,
296 uint64_t base, uint32_t limit, uint32_t access)
299 struct vm_seg_desc vmsegdesc;
301 bzero(&vmsegdesc, sizeof(vmsegdesc));
302 vmsegdesc.cpuid = vcpu;
303 vmsegdesc.regnum = reg;
304 vmsegdesc.desc.base = base;
305 vmsegdesc.desc.limit = limit;
306 vmsegdesc.desc.access = access;
308 error = ioctl(ctx->fd, VM_SET_SEGMENT_DESCRIPTOR, &vmsegdesc);
313 vm_get_desc(struct vmctx *ctx, int vcpu, int reg,
314 uint64_t *base, uint32_t *limit, uint32_t *access)
317 struct vm_seg_desc vmsegdesc;
319 bzero(&vmsegdesc, sizeof(vmsegdesc));
320 vmsegdesc.cpuid = vcpu;
321 vmsegdesc.regnum = reg;
323 error = ioctl(ctx->fd, VM_GET_SEGMENT_DESCRIPTOR, &vmsegdesc);
325 *base = vmsegdesc.desc.base;
326 *limit = vmsegdesc.desc.limit;
327 *access = vmsegdesc.desc.access;
333 vm_get_seg_desc(struct vmctx *ctx, int vcpu, int reg, struct seg_desc *seg_desc)
337 error = vm_get_desc(ctx, vcpu, reg, &seg_desc->base, &seg_desc->limit,
343 vm_set_register(struct vmctx *ctx, int vcpu, int reg, uint64_t val)
346 struct vm_register vmreg;
348 bzero(&vmreg, sizeof(vmreg));
353 error = ioctl(ctx->fd, VM_SET_REGISTER, &vmreg);
358 vm_get_register(struct vmctx *ctx, int vcpu, int reg, uint64_t *ret_val)
361 struct vm_register vmreg;
363 bzero(&vmreg, sizeof(vmreg));
367 error = ioctl(ctx->fd, VM_GET_REGISTER, &vmreg);
368 *ret_val = vmreg.regval;
373 vm_run(struct vmctx *ctx, int vcpu, uint64_t rip, struct vm_exit *vmexit)
378 bzero(&vmrun, sizeof(vmrun));
382 error = ioctl(ctx->fd, VM_RUN, &vmrun);
383 bcopy(&vmrun.vm_exit, vmexit, sizeof(struct vm_exit));
388 vm_suspend(struct vmctx *ctx, enum vm_suspend_how how)
390 struct vm_suspend vmsuspend;
392 bzero(&vmsuspend, sizeof(vmsuspend));
394 return (ioctl(ctx->fd, VM_SUSPEND, &vmsuspend));
398 vm_reinit(struct vmctx *ctx)
401 return (ioctl(ctx->fd, VM_REINIT, 0));
405 vm_inject_exception_real(struct vmctx *ctx, int vcpu, int vector,
406 int error_code, int error_code_valid)
408 struct vm_exception exc;
410 bzero(&exc, sizeof(exc));
413 exc.error_code = error_code;
414 exc.error_code_valid = error_code_valid;
416 return (ioctl(ctx->fd, VM_INJECT_EXCEPTION, &exc));
420 vm_inject_exception(struct vmctx *ctx, int vcpu, int vector)
423 return (vm_inject_exception_real(ctx, vcpu, vector, 0, 0));
427 vm_inject_exception2(struct vmctx *ctx, int vcpu, int vector, int errcode)
430 return (vm_inject_exception_real(ctx, vcpu, vector, errcode, 1));
434 vm_apicid2vcpu(struct vmctx *ctx, int apicid)
437 * The apic id associated with the 'vcpu' has the same numerical value
438 * as the 'vcpu' itself.
444 vm_lapic_irq(struct vmctx *ctx, int vcpu, int vector)
446 struct vm_lapic_irq vmirq;
448 bzero(&vmirq, sizeof(vmirq));
450 vmirq.vector = vector;
452 return (ioctl(ctx->fd, VM_LAPIC_IRQ, &vmirq));
456 vm_lapic_local_irq(struct vmctx *ctx, int vcpu, int vector)
458 struct vm_lapic_irq vmirq;
460 bzero(&vmirq, sizeof(vmirq));
462 vmirq.vector = vector;
464 return (ioctl(ctx->fd, VM_LAPIC_LOCAL_IRQ, &vmirq));
468 vm_lapic_msi(struct vmctx *ctx, uint64_t addr, uint64_t msg)
470 struct vm_lapic_msi vmmsi;
472 bzero(&vmmsi, sizeof(vmmsi));
476 return (ioctl(ctx->fd, VM_LAPIC_MSI, &vmmsi));
480 vm_ioapic_assert_irq(struct vmctx *ctx, int irq)
482 struct vm_ioapic_irq ioapic_irq;
484 bzero(&ioapic_irq, sizeof(struct vm_ioapic_irq));
485 ioapic_irq.irq = irq;
487 return (ioctl(ctx->fd, VM_IOAPIC_ASSERT_IRQ, &ioapic_irq));
491 vm_ioapic_deassert_irq(struct vmctx *ctx, int irq)
493 struct vm_ioapic_irq ioapic_irq;
495 bzero(&ioapic_irq, sizeof(struct vm_ioapic_irq));
496 ioapic_irq.irq = irq;
498 return (ioctl(ctx->fd, VM_IOAPIC_DEASSERT_IRQ, &ioapic_irq));
502 vm_ioapic_pulse_irq(struct vmctx *ctx, int irq)
504 struct vm_ioapic_irq ioapic_irq;
506 bzero(&ioapic_irq, sizeof(struct vm_ioapic_irq));
507 ioapic_irq.irq = irq;
509 return (ioctl(ctx->fd, VM_IOAPIC_PULSE_IRQ, &ioapic_irq));
513 vm_ioapic_pincount(struct vmctx *ctx, int *pincount)
516 return (ioctl(ctx->fd, VM_IOAPIC_PINCOUNT, pincount));
520 vm_isa_assert_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq)
522 struct vm_isa_irq isa_irq;
524 bzero(&isa_irq, sizeof(struct vm_isa_irq));
525 isa_irq.atpic_irq = atpic_irq;
526 isa_irq.ioapic_irq = ioapic_irq;
528 return (ioctl(ctx->fd, VM_ISA_ASSERT_IRQ, &isa_irq));
532 vm_isa_deassert_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq)
534 struct vm_isa_irq isa_irq;
536 bzero(&isa_irq, sizeof(struct vm_isa_irq));
537 isa_irq.atpic_irq = atpic_irq;
538 isa_irq.ioapic_irq = ioapic_irq;
540 return (ioctl(ctx->fd, VM_ISA_DEASSERT_IRQ, &isa_irq));
544 vm_isa_pulse_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq)
546 struct vm_isa_irq isa_irq;
548 bzero(&isa_irq, sizeof(struct vm_isa_irq));
549 isa_irq.atpic_irq = atpic_irq;
550 isa_irq.ioapic_irq = ioapic_irq;
552 return (ioctl(ctx->fd, VM_ISA_PULSE_IRQ, &isa_irq));
556 vm_isa_set_irq_trigger(struct vmctx *ctx, int atpic_irq,
557 enum vm_intr_trigger trigger)
559 struct vm_isa_irq_trigger isa_irq_trigger;
561 bzero(&isa_irq_trigger, sizeof(struct vm_isa_irq_trigger));
562 isa_irq_trigger.atpic_irq = atpic_irq;
563 isa_irq_trigger.trigger = trigger;
565 return (ioctl(ctx->fd, VM_ISA_SET_IRQ_TRIGGER, &isa_irq_trigger));
569 vm_inject_nmi(struct vmctx *ctx, int vcpu)
573 bzero(&vmnmi, sizeof(vmnmi));
576 return (ioctl(ctx->fd, VM_INJECT_NMI, &vmnmi));
583 { "hlt_exit", VM_CAP_HALT_EXIT },
584 { "mtrap_exit", VM_CAP_MTRAP_EXIT },
585 { "pause_exit", VM_CAP_PAUSE_EXIT },
586 { "unrestricted_guest", VM_CAP_UNRESTRICTED_GUEST },
587 { "enable_invpcid", VM_CAP_ENABLE_INVPCID },
592 vm_capability_name2type(const char *capname)
596 for (i = 0; capstrmap[i].name != NULL && capname != NULL; i++) {
597 if (strcmp(capstrmap[i].name, capname) == 0)
598 return (capstrmap[i].type);
605 vm_capability_type2name(int type)
609 for (i = 0; capstrmap[i].name != NULL; i++) {
610 if (capstrmap[i].type == type)
611 return (capstrmap[i].name);
618 vm_get_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap,
622 struct vm_capability vmcap;
624 bzero(&vmcap, sizeof(vmcap));
628 error = ioctl(ctx->fd, VM_GET_CAPABILITY, &vmcap);
629 *retval = vmcap.capval;
634 vm_set_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap, int val)
636 struct vm_capability vmcap;
638 bzero(&vmcap, sizeof(vmcap));
643 return (ioctl(ctx->fd, VM_SET_CAPABILITY, &vmcap));
647 vm_assign_pptdev(struct vmctx *ctx, int bus, int slot, int func)
649 struct vm_pptdev pptdev;
651 bzero(&pptdev, sizeof(pptdev));
656 return (ioctl(ctx->fd, VM_BIND_PPTDEV, &pptdev));
660 vm_unassign_pptdev(struct vmctx *ctx, int bus, int slot, int func)
662 struct vm_pptdev pptdev;
664 bzero(&pptdev, sizeof(pptdev));
669 return (ioctl(ctx->fd, VM_UNBIND_PPTDEV, &pptdev));
673 vm_map_pptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
674 vm_paddr_t gpa, size_t len, vm_paddr_t hpa)
676 struct vm_pptdev_mmio pptmmio;
678 bzero(&pptmmio, sizeof(pptmmio));
686 return (ioctl(ctx->fd, VM_MAP_PPTDEV_MMIO, &pptmmio));
690 vm_setup_pptdev_msi(struct vmctx *ctx, int vcpu, int bus, int slot, int func,
691 uint64_t addr, uint64_t msg, int numvec)
693 struct vm_pptdev_msi pptmsi;
695 bzero(&pptmsi, sizeof(pptmsi));
702 pptmsi.numvec = numvec;
704 return (ioctl(ctx->fd, VM_PPTDEV_MSI, &pptmsi));
708 vm_setup_pptdev_msix(struct vmctx *ctx, int vcpu, int bus, int slot, int func,
709 int idx, uint64_t addr, uint64_t msg, uint32_t vector_control)
711 struct vm_pptdev_msix pptmsix;
713 bzero(&pptmsix, sizeof(pptmsix));
721 pptmsix.vector_control = vector_control;
723 return ioctl(ctx->fd, VM_PPTDEV_MSIX, &pptmsix);
727 vm_get_stats(struct vmctx *ctx, int vcpu, struct timeval *ret_tv,
732 static struct vm_stats vmstats;
734 vmstats.cpuid = vcpu;
736 error = ioctl(ctx->fd, VM_STATS, &vmstats);
739 *ret_entries = vmstats.num_entries;
741 *ret_tv = vmstats.tv;
742 return (vmstats.statbuf);
748 vm_get_stat_desc(struct vmctx *ctx, int index)
750 static struct vm_stat_desc statdesc;
752 statdesc.index = index;
753 if (ioctl(ctx->fd, VM_STAT_DESC, &statdesc) == 0)
754 return (statdesc.desc);
760 vm_get_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state *state)
763 struct vm_x2apic x2apic;
765 bzero(&x2apic, sizeof(x2apic));
768 error = ioctl(ctx->fd, VM_GET_X2APIC_STATE, &x2apic);
769 *state = x2apic.state;
774 vm_set_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state state)
777 struct vm_x2apic x2apic;
779 bzero(&x2apic, sizeof(x2apic));
781 x2apic.state = state;
783 error = ioctl(ctx->fd, VM_SET_X2APIC_STATE, &x2apic);
790 * Table 9-1. IA-32 Processor States Following Power-up, Reset or INIT
793 vcpu_reset(struct vmctx *vmctx, int vcpu)
796 uint64_t rflags, rip, cr0, cr4, zero, desc_base, rdx;
797 uint32_t desc_access, desc_limit;
803 error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RFLAGS, rflags);
808 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RIP, rip)) != 0)
812 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_CR0, cr0)) != 0)
815 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_CR3, zero)) != 0)
819 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_CR4, cr4)) != 0)
823 * CS: present, r/w, accessed, 16-bit, byte granularity, usable
825 desc_base = 0xffff0000;
827 desc_access = 0x0093;
828 error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_CS,
829 desc_base, desc_limit, desc_access);
834 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_CS, sel)) != 0)
838 * SS,DS,ES,FS,GS: present, r/w, accessed, 16-bit, byte granularity
842 desc_access = 0x0093;
843 error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_SS,
844 desc_base, desc_limit, desc_access);
848 error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_DS,
849 desc_base, desc_limit, desc_access);
853 error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_ES,
854 desc_base, desc_limit, desc_access);
858 error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_FS,
859 desc_base, desc_limit, desc_access);
863 error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_GS,
864 desc_base, desc_limit, desc_access);
869 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_SS, sel)) != 0)
871 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_DS, sel)) != 0)
873 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_ES, sel)) != 0)
875 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_FS, sel)) != 0)
877 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_GS, sel)) != 0)
880 /* General purpose registers */
882 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RAX, zero)) != 0)
884 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RBX, zero)) != 0)
886 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RCX, zero)) != 0)
888 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RDX, rdx)) != 0)
890 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RSI, zero)) != 0)
892 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RDI, zero)) != 0)
894 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RBP, zero)) != 0)
896 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RSP, zero)) != 0)
903 error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_GDTR,
904 desc_base, desc_limit, desc_access);
908 error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_IDTR,
909 desc_base, desc_limit, desc_access);
916 desc_access = 0x0000008b;
917 error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_TR, 0, 0, desc_access);
922 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_TR, sel)) != 0)
928 desc_access = 0x00000082;
929 error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_LDTR, desc_base,
930 desc_limit, desc_access);
935 if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_LDTR, 0)) != 0)
938 /* XXX cr2, debug registers */
946 vm_get_gpa_pmap(struct vmctx *ctx, uint64_t gpa, uint64_t *pte, int *num)
949 struct vm_gpa_pte gpapte;
951 bzero(&gpapte, sizeof(gpapte));
954 error = ioctl(ctx->fd, VM_GET_GPA_PMAP, &gpapte);
957 *num = gpapte.ptenum;
958 for (i = 0; i < gpapte.ptenum; i++)
959 pte[i] = gpapte.pte[i];
966 vm_get_hpet_capabilities(struct vmctx *ctx, uint32_t *capabilities)
969 struct vm_hpet_cap cap;
971 bzero(&cap, sizeof(struct vm_hpet_cap));
972 error = ioctl(ctx->fd, VM_GET_HPET_CAPABILITIES, &cap);
973 if (capabilities != NULL)
974 *capabilities = cap.capabilities;
979 gla2gpa(struct vmctx *ctx, int vcpu, struct vm_guest_paging *paging,
980 uint64_t gla, int prot, int *fault, uint64_t *gpa)
982 struct vm_gla2gpa gg;
985 bzero(&gg, sizeof(struct vm_gla2gpa));
991 error = ioctl(ctx->fd, VM_GLA2GPA, &gg);
1000 #define min(a,b) (((a) < (b)) ? (a) : (b))
1004 vm_copy_setup(struct vmctx *ctx, int vcpu, struct vm_guest_paging *paging,
1005 uint64_t gla, size_t len, int prot, struct iovec *iov, int iovcnt)
1008 int error, fault, i, n, off;
1010 for (i = 0; i < iovcnt; i++) {
1011 iov[i].iov_base = 0;
1017 error = gla2gpa(ctx, vcpu, paging, gla, prot, &fault, &gpa);
1023 off = gpa & PAGE_MASK;
1024 n = min(len, PAGE_SIZE - off);
1026 iov->iov_base = (void *)gpa;
1038 vm_copyin(struct vmctx *ctx, int vcpu, struct iovec *iov, void *vp, size_t len)
1047 assert(iov->iov_len);
1048 gpa = (uint64_t)iov->iov_base;
1049 n = min(len, iov->iov_len);
1050 src = vm_map_gpa(ctx, gpa, n);
1060 vm_copyout(struct vmctx *ctx, int vcpu, const void *vp, struct iovec *iov,
1070 assert(iov->iov_len);
1071 gpa = (uint64_t)iov->iov_base;
1072 n = min(len, iov->iov_len);
1073 dst = vm_map_gpa(ctx, gpa, n);
1083 vm_get_cpus(struct vmctx *ctx, int which, cpuset_t *cpus)
1085 struct vm_cpuset vm_cpuset;
1088 bzero(&vm_cpuset, sizeof(struct vm_cpuset));
1089 vm_cpuset.which = which;
1090 vm_cpuset.cpusetsize = sizeof(cpuset_t);
1091 vm_cpuset.cpus = cpus;
1093 error = ioctl(ctx->fd, VM_GET_CPUS, &vm_cpuset);
1098 vm_active_cpus(struct vmctx *ctx, cpuset_t *cpus)
1101 return (vm_get_cpus(ctx, VM_ACTIVE_CPUS, cpus));
1105 vm_suspended_cpus(struct vmctx *ctx, cpuset_t *cpus)
1108 return (vm_get_cpus(ctx, VM_SUSPENDED_CPUS, cpus));
1112 vm_activate_cpu(struct vmctx *ctx, int vcpu)
1114 struct vm_activate_cpu ac;
1117 bzero(&ac, sizeof(struct vm_activate_cpu));
1119 error = ioctl(ctx->fd, VM_ACTIVATE_CPU, &ac);
1124 vm_get_intinfo(struct vmctx *ctx, int vcpu, uint64_t *info1, uint64_t *info2)
1126 struct vm_intinfo vmii;
1129 bzero(&vmii, sizeof(struct vm_intinfo));
1131 error = ioctl(ctx->fd, VM_GET_INTINFO, &vmii);
1133 *info1 = vmii.info1;
1134 *info2 = vmii.info2;
1140 vm_set_intinfo(struct vmctx *ctx, int vcpu, uint64_t info1)
1142 struct vm_intinfo vmii;
1145 bzero(&vmii, sizeof(struct vm_intinfo));
1148 error = ioctl(ctx->fd, VM_SET_INTINFO, &vmii);