vmmapi.c revision 241178
1221828Sgrehan/*- 2221828Sgrehan * Copyright (c) 2011 NetApp, Inc. 3221828Sgrehan * All rights reserved. 4221828Sgrehan * 5221828Sgrehan * Redistribution and use in source and binary forms, with or without 6221828Sgrehan * modification, are permitted provided that the following conditions 7221828Sgrehan * are met: 8221828Sgrehan * 1. Redistributions of source code must retain the above copyright 9221828Sgrehan * notice, this list of conditions and the following disclaimer. 10221828Sgrehan * 2. Redistributions in binary form must reproduce the above copyright 11221828Sgrehan * notice, this list of conditions and the following disclaimer in the 12221828Sgrehan * documentation and/or other materials provided with the distribution. 13221828Sgrehan * 14221828Sgrehan * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 15221828Sgrehan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16221828Sgrehan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17221828Sgrehan * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 18221828Sgrehan * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19221828Sgrehan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20221828Sgrehan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21221828Sgrehan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22221828Sgrehan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23221828Sgrehan * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24221828Sgrehan * SUCH DAMAGE. 25221828Sgrehan * 26221828Sgrehan * $FreeBSD$ 27221828Sgrehan */ 28221828Sgrehan 29221828Sgrehan#include <sys/cdefs.h> 30221828Sgrehan__FBSDID("$FreeBSD$"); 31221828Sgrehan 32221828Sgrehan#include <sys/types.h> 33221828Sgrehan#include <sys/sysctl.h> 34221828Sgrehan#include <sys/ioctl.h> 35221828Sgrehan#include <sys/mman.h> 36221828Sgrehan 37221828Sgrehan#include <machine/specialreg.h> 38221828Sgrehan 39221828Sgrehan#include <stdio.h> 40221828Sgrehan#include <stdlib.h> 41221828Sgrehan#include <assert.h> 42221828Sgrehan#include <string.h> 43221828Sgrehan#include <fcntl.h> 44221828Sgrehan#include <unistd.h> 45221828Sgrehan 46221828Sgrehan#include <machine/vmm.h> 47221828Sgrehan#include <machine/vmm_dev.h> 48221828Sgrehan 49221828Sgrehan#include "vmmapi.h" 50221828Sgrehan#include "mptable.h" 51221828Sgrehan 52221828Sgrehan#define BIOS_ROM_BASE (0xf0000) 53221828Sgrehan#define BIOS_ROM_SIZE (0x10000) 54221828Sgrehan 55221828Sgrehanstruct vmctx { 56221828Sgrehan int fd; 57221828Sgrehan char *name; 58221828Sgrehan}; 59221828Sgrehan 60221828Sgrehan#define CREATE(x) sysctlbyname("hw.vmm.create", NULL, NULL, (x), strlen((x))) 61221828Sgrehan#define DESTROY(x) sysctlbyname("hw.vmm.destroy", NULL, NULL, (x), strlen((x))) 62221828Sgrehan 63221828Sgrehanstatic int 64221828Sgrehanvm_device_open(const char *name) 65221828Sgrehan{ 66221828Sgrehan int fd, len; 67221828Sgrehan char *vmfile; 68221828Sgrehan 69221828Sgrehan len = strlen("/dev/vmm/") + strlen(name) + 1; 70221828Sgrehan vmfile = malloc(len); 71221828Sgrehan assert(vmfile != NULL); 72221828Sgrehan snprintf(vmfile, len, "/dev/vmm/%s", name); 73221828Sgrehan 74221828Sgrehan /* Open the device file */ 75221828Sgrehan fd = open(vmfile, O_RDWR, 0); 76221828Sgrehan 77221828Sgrehan free(vmfile); 78221828Sgrehan return (fd); 79221828Sgrehan} 80221828Sgrehan 81221828Sgrehanint 82221828Sgrehanvm_create(const char *name) 83221828Sgrehan{ 84221828Sgrehan 85221828Sgrehan return (CREATE((char *)name)); 86221828Sgrehan} 87221828Sgrehan 88221828Sgrehanstruct vmctx * 89221828Sgrehanvm_open(const char *name) 90221828Sgrehan{ 91221828Sgrehan struct vmctx *vm; 92221828Sgrehan 93221828Sgrehan vm = malloc(sizeof(struct vmctx) + strlen(name) + 1); 94221828Sgrehan assert(vm != NULL); 95221828Sgrehan 96221828Sgrehan vm->fd = -1; 97221828Sgrehan vm->name = (char *)(vm + 1); 98221828Sgrehan strcpy(vm->name, name); 99221828Sgrehan 100221828Sgrehan if ((vm->fd = vm_device_open(vm->name)) < 0) 101221828Sgrehan goto err; 102221828Sgrehan 103221828Sgrehan return (vm); 104221828Sgrehanerr: 105221828Sgrehan vm_destroy(vm); 106221828Sgrehan return (NULL); 107221828Sgrehan} 108221828Sgrehan 109221828Sgrehanvoid 110221828Sgrehanvm_destroy(struct vmctx *vm) 111221828Sgrehan{ 112221828Sgrehan assert(vm != NULL); 113221828Sgrehan 114221828Sgrehan if (vm->fd >= 0) 115221828Sgrehan close(vm->fd); 116241178Sneel DESTROY(vm->name); 117241178Sneel 118221828Sgrehan free(vm); 119221828Sgrehan} 120221828Sgrehan 121239700Sgrehansize_t 122239700Sgrehanvmm_get_mem_total(void) 123239700Sgrehan{ 124239700Sgrehan size_t mem_total = 0; 125239700Sgrehan size_t oldlen = sizeof(mem_total); 126239700Sgrehan int error; 127239700Sgrehan error = sysctlbyname("hw.vmm.mem_total", &mem_total, &oldlen, NULL, 0); 128239700Sgrehan if (error) 129239700Sgrehan return -1; 130239700Sgrehan return mem_total; 131239700Sgrehan} 132239700Sgrehan 133239700Sgrehansize_t 134239700Sgrehanvmm_get_mem_free(void) 135239700Sgrehan{ 136239700Sgrehan size_t mem_free = 0; 137239700Sgrehan size_t oldlen = sizeof(mem_free); 138239700Sgrehan int error; 139239700Sgrehan error = sysctlbyname("hw.vmm.mem_free", &mem_free, &oldlen, NULL, 0); 140239700Sgrehan if (error) 141239700Sgrehan return -1; 142239700Sgrehan return mem_free; 143239700Sgrehan} 144239700Sgrehan 145221828Sgrehanint 146221828Sgrehanvm_get_memory_seg(struct vmctx *ctx, vm_paddr_t gpa, 147221828Sgrehan vm_paddr_t *ret_hpa, size_t *ret_len) 148221828Sgrehan{ 149221828Sgrehan int error; 150221828Sgrehan struct vm_memory_segment seg; 151221828Sgrehan 152221828Sgrehan bzero(&seg, sizeof(seg)); 153221828Sgrehan seg.gpa = gpa; 154221828Sgrehan error = ioctl(ctx->fd, VM_GET_MEMORY_SEG, &seg); 155221828Sgrehan *ret_len = seg.len; 156221828Sgrehan return (error); 157221828Sgrehan} 158221828Sgrehan 159221828Sgrehanint 160221828Sgrehanvm_setup_memory(struct vmctx *ctx, vm_paddr_t gpa, size_t len, char **mapaddr) 161221828Sgrehan{ 162221828Sgrehan int error; 163221828Sgrehan struct vm_memory_segment seg; 164221828Sgrehan 165221828Sgrehan /* 166221828Sgrehan * Create and optionally map 'len' bytes of memory at guest 167221828Sgrehan * physical address 'gpa' 168221828Sgrehan */ 169221828Sgrehan bzero(&seg, sizeof(seg)); 170221828Sgrehan seg.gpa = gpa; 171221828Sgrehan seg.len = len; 172221828Sgrehan error = ioctl(ctx->fd, VM_MAP_MEMORY, &seg); 173221828Sgrehan if (error == 0 && mapaddr != NULL) { 174221828Sgrehan *mapaddr = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, 175221828Sgrehan ctx->fd, gpa); 176221828Sgrehan } 177221828Sgrehan return (error); 178221828Sgrehan} 179221828Sgrehan 180221828Sgrehanchar * 181221828Sgrehanvm_map_memory(struct vmctx *ctx, vm_paddr_t gpa, size_t len) 182221828Sgrehan{ 183221828Sgrehan 184221828Sgrehan /* Map 'len' bytes of memory at guest physical address 'gpa' */ 185221828Sgrehan return ((char *)mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, 186221828Sgrehan ctx->fd, gpa)); 187221828Sgrehan} 188221828Sgrehan 189221828Sgrehanint 190221828Sgrehanvm_set_desc(struct vmctx *ctx, int vcpu, int reg, 191221828Sgrehan uint64_t base, uint32_t limit, uint32_t access) 192221828Sgrehan{ 193221828Sgrehan int error; 194221828Sgrehan struct vm_seg_desc vmsegdesc; 195221828Sgrehan 196221828Sgrehan bzero(&vmsegdesc, sizeof(vmsegdesc)); 197221828Sgrehan vmsegdesc.cpuid = vcpu; 198221828Sgrehan vmsegdesc.regnum = reg; 199221828Sgrehan vmsegdesc.desc.base = base; 200221828Sgrehan vmsegdesc.desc.limit = limit; 201221828Sgrehan vmsegdesc.desc.access = access; 202221828Sgrehan 203221828Sgrehan error = ioctl(ctx->fd, VM_SET_SEGMENT_DESCRIPTOR, &vmsegdesc); 204221828Sgrehan return (error); 205221828Sgrehan} 206221828Sgrehan 207221828Sgrehanint 208221828Sgrehanvm_get_desc(struct vmctx *ctx, int vcpu, int reg, 209221828Sgrehan uint64_t *base, uint32_t *limit, uint32_t *access) 210221828Sgrehan{ 211221828Sgrehan int error; 212221828Sgrehan struct vm_seg_desc vmsegdesc; 213221828Sgrehan 214221828Sgrehan bzero(&vmsegdesc, sizeof(vmsegdesc)); 215221828Sgrehan vmsegdesc.cpuid = vcpu; 216221828Sgrehan vmsegdesc.regnum = reg; 217221828Sgrehan 218221828Sgrehan error = ioctl(ctx->fd, VM_GET_SEGMENT_DESCRIPTOR, &vmsegdesc); 219221828Sgrehan if (error == 0) { 220221828Sgrehan *base = vmsegdesc.desc.base; 221221828Sgrehan *limit = vmsegdesc.desc.limit; 222221828Sgrehan *access = vmsegdesc.desc.access; 223221828Sgrehan } 224221828Sgrehan return (error); 225221828Sgrehan} 226221828Sgrehan 227221828Sgrehanint 228221828Sgrehanvm_set_register(struct vmctx *ctx, int vcpu, int reg, uint64_t val) 229221828Sgrehan{ 230221828Sgrehan int error; 231221828Sgrehan struct vm_register vmreg; 232221828Sgrehan 233221828Sgrehan bzero(&vmreg, sizeof(vmreg)); 234221828Sgrehan vmreg.cpuid = vcpu; 235221828Sgrehan vmreg.regnum = reg; 236221828Sgrehan vmreg.regval = val; 237221828Sgrehan 238221828Sgrehan error = ioctl(ctx->fd, VM_SET_REGISTER, &vmreg); 239221828Sgrehan return (error); 240221828Sgrehan} 241221828Sgrehan 242221828Sgrehanint 243221828Sgrehanvm_get_register(struct vmctx *ctx, int vcpu, int reg, uint64_t *ret_val) 244221828Sgrehan{ 245221828Sgrehan int error; 246221828Sgrehan struct vm_register vmreg; 247221828Sgrehan 248221828Sgrehan bzero(&vmreg, sizeof(vmreg)); 249221828Sgrehan vmreg.cpuid = vcpu; 250221828Sgrehan vmreg.regnum = reg; 251221828Sgrehan 252221828Sgrehan error = ioctl(ctx->fd, VM_GET_REGISTER, &vmreg); 253221828Sgrehan *ret_val = vmreg.regval; 254221828Sgrehan return (error); 255221828Sgrehan} 256221828Sgrehan 257221828Sgrehanint 258221828Sgrehanvm_get_pinning(struct vmctx *ctx, int vcpu, int *host_cpuid) 259221828Sgrehan{ 260221828Sgrehan int error; 261221828Sgrehan struct vm_pin vmpin; 262221828Sgrehan 263221828Sgrehan bzero(&vmpin, sizeof(vmpin)); 264221828Sgrehan vmpin.vm_cpuid = vcpu; 265221828Sgrehan 266221828Sgrehan error = ioctl(ctx->fd, VM_GET_PINNING, &vmpin); 267221828Sgrehan *host_cpuid = vmpin.host_cpuid; 268221828Sgrehan return (error); 269221828Sgrehan} 270221828Sgrehan 271221828Sgrehanint 272221828Sgrehanvm_set_pinning(struct vmctx *ctx, int vcpu, int host_cpuid) 273221828Sgrehan{ 274221828Sgrehan int error; 275221828Sgrehan struct vm_pin vmpin; 276221828Sgrehan 277221828Sgrehan bzero(&vmpin, sizeof(vmpin)); 278221828Sgrehan vmpin.vm_cpuid = vcpu; 279221828Sgrehan vmpin.host_cpuid = host_cpuid; 280221828Sgrehan 281221828Sgrehan error = ioctl(ctx->fd, VM_SET_PINNING, &vmpin); 282221828Sgrehan return (error); 283221828Sgrehan} 284221828Sgrehan 285221828Sgrehanint 286221828Sgrehanvm_run(struct vmctx *ctx, int vcpu, uint64_t rip, struct vm_exit *vmexit) 287221828Sgrehan{ 288221828Sgrehan int error; 289221828Sgrehan struct vm_run vmrun; 290221828Sgrehan 291221828Sgrehan bzero(&vmrun, sizeof(vmrun)); 292221828Sgrehan vmrun.cpuid = vcpu; 293221828Sgrehan vmrun.rip = rip; 294221828Sgrehan 295221828Sgrehan error = ioctl(ctx->fd, VM_RUN, &vmrun); 296221828Sgrehan bcopy(&vmrun.vm_exit, vmexit, sizeof(struct vm_exit)); 297221828Sgrehan return (error); 298221828Sgrehan} 299221828Sgrehan 300221828Sgrehanstatic int 301221828Sgrehanvm_inject_event_real(struct vmctx *ctx, int vcpu, enum vm_event_type type, 302221828Sgrehan int vector, int error_code, int error_code_valid) 303221828Sgrehan{ 304221828Sgrehan struct vm_event ev; 305221828Sgrehan 306221828Sgrehan bzero(&ev, sizeof(ev)); 307221828Sgrehan ev.cpuid = vcpu; 308221828Sgrehan ev.type = type; 309221828Sgrehan ev.vector = vector; 310221828Sgrehan ev.error_code = error_code; 311221828Sgrehan ev.error_code_valid = error_code_valid; 312221828Sgrehan 313221828Sgrehan return (ioctl(ctx->fd, VM_INJECT_EVENT, &ev)); 314221828Sgrehan} 315221828Sgrehan 316221828Sgrehanint 317221828Sgrehanvm_inject_event(struct vmctx *ctx, int vcpu, enum vm_event_type type, 318221828Sgrehan int vector) 319221828Sgrehan{ 320221828Sgrehan 321221828Sgrehan return (vm_inject_event_real(ctx, vcpu, type, vector, 0, 0)); 322221828Sgrehan} 323221828Sgrehan 324221828Sgrehanint 325221828Sgrehanvm_inject_event2(struct vmctx *ctx, int vcpu, enum vm_event_type type, 326221828Sgrehan int vector, int error_code) 327221828Sgrehan{ 328221828Sgrehan 329221828Sgrehan return (vm_inject_event_real(ctx, vcpu, type, vector, error_code, 1)); 330221828Sgrehan} 331221828Sgrehan 332221828Sgrehanint 333239042Sneelvm_build_tables(struct vmctx *ctxt, int ncpu, int ioapic, 334239042Sneel void *oemtbl, int oemtblsz) 335221828Sgrehan{ 336221828Sgrehan 337221828Sgrehan return (vm_build_mptable(ctxt, BIOS_ROM_BASE, BIOS_ROM_SIZE, ncpu, 338239042Sneel ioapic, oemtbl, oemtblsz)); 339221828Sgrehan} 340221828Sgrehan 341221828Sgrehanint 342239026Sneelvm_apicid2vcpu(struct vmctx *ctx, int apicid) 343239026Sneel{ 344239026Sneel /* 345239026Sneel * The apic id associated with the 'vcpu' has the same numerical value 346239026Sneel * as the 'vcpu' itself. 347239026Sneel */ 348239026Sneel return (apicid); 349239026Sneel} 350239026Sneel 351239026Sneelint 352221828Sgrehanvm_lapic_irq(struct vmctx *ctx, int vcpu, int vector) 353221828Sgrehan{ 354221828Sgrehan struct vm_lapic_irq vmirq; 355221828Sgrehan 356221828Sgrehan bzero(&vmirq, sizeof(vmirq)); 357221828Sgrehan vmirq.cpuid = vcpu; 358221828Sgrehan vmirq.vector = vector; 359221828Sgrehan 360221828Sgrehan return (ioctl(ctx->fd, VM_LAPIC_IRQ, &vmirq)); 361221828Sgrehan} 362221828Sgrehan 363221828Sgrehanint 364221828Sgrehanvm_inject_nmi(struct vmctx *ctx, int vcpu) 365221828Sgrehan{ 366221828Sgrehan struct vm_nmi vmnmi; 367221828Sgrehan 368221828Sgrehan bzero(&vmnmi, sizeof(vmnmi)); 369221828Sgrehan vmnmi.cpuid = vcpu; 370221828Sgrehan 371221828Sgrehan return (ioctl(ctx->fd, VM_INJECT_NMI, &vmnmi)); 372221828Sgrehan} 373221828Sgrehan 374221828Sgrehanint 375221828Sgrehanvm_capability_name2type(const char *capname) 376221828Sgrehan{ 377221828Sgrehan int i; 378221828Sgrehan 379221828Sgrehan static struct { 380221828Sgrehan const char *name; 381221828Sgrehan int type; 382221828Sgrehan } capstrmap[] = { 383221828Sgrehan { "hlt_exit", VM_CAP_HALT_EXIT }, 384221828Sgrehan { "mtrap_exit", VM_CAP_MTRAP_EXIT }, 385221828Sgrehan { "pause_exit", VM_CAP_PAUSE_EXIT }, 386221828Sgrehan { "unrestricted_guest", VM_CAP_UNRESTRICTED_GUEST }, 387221828Sgrehan { 0 } 388221828Sgrehan }; 389221828Sgrehan 390221828Sgrehan for (i = 0; capstrmap[i].name != NULL && capname != NULL; i++) { 391221828Sgrehan if (strcmp(capstrmap[i].name, capname) == 0) 392221828Sgrehan return (capstrmap[i].type); 393221828Sgrehan } 394221828Sgrehan 395221828Sgrehan return (-1); 396221828Sgrehan} 397221828Sgrehan 398221828Sgrehanint 399221828Sgrehanvm_get_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap, 400221828Sgrehan int *retval) 401221828Sgrehan{ 402221828Sgrehan int error; 403221828Sgrehan struct vm_capability vmcap; 404221828Sgrehan 405221828Sgrehan bzero(&vmcap, sizeof(vmcap)); 406221828Sgrehan vmcap.cpuid = vcpu; 407221828Sgrehan vmcap.captype = cap; 408221828Sgrehan 409221828Sgrehan error = ioctl(ctx->fd, VM_GET_CAPABILITY, &vmcap); 410221828Sgrehan *retval = vmcap.capval; 411221828Sgrehan return (error); 412221828Sgrehan} 413221828Sgrehan 414221828Sgrehanint 415221828Sgrehanvm_set_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap, int val) 416221828Sgrehan{ 417221828Sgrehan struct vm_capability vmcap; 418221828Sgrehan 419221828Sgrehan bzero(&vmcap, sizeof(vmcap)); 420221828Sgrehan vmcap.cpuid = vcpu; 421221828Sgrehan vmcap.captype = cap; 422221828Sgrehan vmcap.capval = val; 423221828Sgrehan 424221828Sgrehan return (ioctl(ctx->fd, VM_SET_CAPABILITY, &vmcap)); 425221828Sgrehan} 426221828Sgrehan 427221828Sgrehanint 428221828Sgrehanvm_assign_pptdev(struct vmctx *ctx, int bus, int slot, int func) 429221828Sgrehan{ 430221828Sgrehan struct vm_pptdev pptdev; 431221828Sgrehan 432221828Sgrehan bzero(&pptdev, sizeof(pptdev)); 433221828Sgrehan pptdev.bus = bus; 434221828Sgrehan pptdev.slot = slot; 435221828Sgrehan pptdev.func = func; 436221828Sgrehan 437221828Sgrehan return (ioctl(ctx->fd, VM_BIND_PPTDEV, &pptdev)); 438221828Sgrehan} 439221828Sgrehan 440221828Sgrehanint 441221828Sgrehanvm_unassign_pptdev(struct vmctx *ctx, int bus, int slot, int func) 442221828Sgrehan{ 443221828Sgrehan struct vm_pptdev pptdev; 444221828Sgrehan 445221828Sgrehan bzero(&pptdev, sizeof(pptdev)); 446221828Sgrehan pptdev.bus = bus; 447221828Sgrehan pptdev.slot = slot; 448221828Sgrehan pptdev.func = func; 449221828Sgrehan 450221828Sgrehan return (ioctl(ctx->fd, VM_UNBIND_PPTDEV, &pptdev)); 451221828Sgrehan} 452221828Sgrehan 453221828Sgrehanint 454221828Sgrehanvm_map_pptdev_mmio(struct vmctx *ctx, int bus, int slot, int func, 455221828Sgrehan vm_paddr_t gpa, size_t len, vm_paddr_t hpa) 456221828Sgrehan{ 457221828Sgrehan struct vm_pptdev_mmio pptmmio; 458221828Sgrehan 459221828Sgrehan bzero(&pptmmio, sizeof(pptmmio)); 460221828Sgrehan pptmmio.bus = bus; 461221828Sgrehan pptmmio.slot = slot; 462221828Sgrehan pptmmio.func = func; 463221828Sgrehan pptmmio.gpa = gpa; 464221828Sgrehan pptmmio.len = len; 465221828Sgrehan pptmmio.hpa = hpa; 466221828Sgrehan 467221828Sgrehan return (ioctl(ctx->fd, VM_MAP_PPTDEV_MMIO, &pptmmio)); 468221828Sgrehan} 469221828Sgrehan 470221828Sgrehanint 471221828Sgrehanvm_setup_msi(struct vmctx *ctx, int vcpu, int bus, int slot, int func, 472221828Sgrehan int destcpu, int vector, int numvec) 473221828Sgrehan{ 474221828Sgrehan struct vm_pptdev_msi pptmsi; 475221828Sgrehan 476221828Sgrehan bzero(&pptmsi, sizeof(pptmsi)); 477221828Sgrehan pptmsi.vcpu = vcpu; 478221828Sgrehan pptmsi.bus = bus; 479221828Sgrehan pptmsi.slot = slot; 480221828Sgrehan pptmsi.func = func; 481221828Sgrehan pptmsi.destcpu = destcpu; 482221828Sgrehan pptmsi.vector = vector; 483221828Sgrehan pptmsi.numvec = numvec; 484221828Sgrehan 485221828Sgrehan return (ioctl(ctx->fd, VM_PPTDEV_MSI, &pptmsi)); 486221828Sgrehan} 487221828Sgrehan 488234761Sgrehanint 489234761Sgrehanvm_setup_msix(struct vmctx *ctx, int vcpu, int bus, int slot, int func, 490234761Sgrehan int idx, uint32_t msg, uint32_t vector_control, uint64_t addr) 491234761Sgrehan{ 492234761Sgrehan struct vm_pptdev_msix pptmsix; 493234761Sgrehan 494234761Sgrehan bzero(&pptmsix, sizeof(pptmsix)); 495234761Sgrehan pptmsix.vcpu = vcpu; 496234761Sgrehan pptmsix.bus = bus; 497234761Sgrehan pptmsix.slot = slot; 498234761Sgrehan pptmsix.func = func; 499234761Sgrehan pptmsix.idx = idx; 500234761Sgrehan pptmsix.msg = msg; 501234761Sgrehan pptmsix.addr = addr; 502234761Sgrehan pptmsix.vector_control = vector_control; 503234761Sgrehan 504234761Sgrehan return ioctl(ctx->fd, VM_PPTDEV_MSIX, &pptmsix); 505234761Sgrehan} 506234761Sgrehan 507221828Sgrehanuint64_t * 508221828Sgrehanvm_get_stats(struct vmctx *ctx, int vcpu, struct timeval *ret_tv, 509221828Sgrehan int *ret_entries) 510221828Sgrehan{ 511221828Sgrehan int error; 512221828Sgrehan 513221828Sgrehan static struct vm_stats vmstats; 514221828Sgrehan 515221828Sgrehan vmstats.cpuid = vcpu; 516221828Sgrehan 517221828Sgrehan error = ioctl(ctx->fd, VM_STATS, &vmstats); 518221828Sgrehan if (error == 0) { 519221828Sgrehan if (ret_entries) 520221828Sgrehan *ret_entries = vmstats.num_entries; 521221828Sgrehan if (ret_tv) 522221828Sgrehan *ret_tv = vmstats.tv; 523221828Sgrehan return (vmstats.statbuf); 524221828Sgrehan } else 525221828Sgrehan return (NULL); 526221828Sgrehan} 527221828Sgrehan 528221828Sgrehanconst char * 529221828Sgrehanvm_get_stat_desc(struct vmctx *ctx, int index) 530221828Sgrehan{ 531221828Sgrehan static struct vm_stat_desc statdesc; 532221828Sgrehan 533221828Sgrehan statdesc.index = index; 534221828Sgrehan if (ioctl(ctx->fd, VM_STAT_DESC, &statdesc) == 0) 535221828Sgrehan return (statdesc.desc); 536221828Sgrehan else 537221828Sgrehan return (NULL); 538221828Sgrehan} 539221828Sgrehan 540240922Sneelint 541240922Sneelvm_get_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state *state) 542240922Sneel{ 543240922Sneel int error; 544240922Sneel struct vm_x2apic x2apic; 545240922Sneel 546240922Sneel bzero(&x2apic, sizeof(x2apic)); 547240922Sneel x2apic.cpuid = vcpu; 548240922Sneel 549240922Sneel error = ioctl(ctx->fd, VM_GET_X2APIC_STATE, &x2apic); 550240922Sneel *state = x2apic.state; 551240922Sneel return (error); 552240922Sneel} 553240922Sneel 554240922Sneelint 555240922Sneelvm_set_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state state) 556240922Sneel{ 557240922Sneel int error; 558240922Sneel struct vm_x2apic x2apic; 559240922Sneel 560240922Sneel bzero(&x2apic, sizeof(x2apic)); 561240922Sneel x2apic.cpuid = vcpu; 562240922Sneel x2apic.state = state; 563240922Sneel 564240922Sneel error = ioctl(ctx->fd, VM_SET_X2APIC_STATE, &x2apic); 565240922Sneel 566240922Sneel return (error); 567240922Sneel} 568240922Sneel 569221828Sgrehan/* 570221828Sgrehan * From Intel Vol 3a: 571221828Sgrehan * Table 9-1. IA-32 Processor States Following Power-up, Reset or INIT 572221828Sgrehan */ 573221828Sgrehanint 574221828Sgrehanvcpu_reset(struct vmctx *vmctx, int vcpu) 575221828Sgrehan{ 576221828Sgrehan int error; 577221828Sgrehan uint64_t rflags, rip, cr0, cr4, zero, desc_base, rdx; 578221828Sgrehan uint32_t desc_access, desc_limit; 579221828Sgrehan uint16_t sel; 580221828Sgrehan 581221828Sgrehan zero = 0; 582221828Sgrehan 583221828Sgrehan rflags = 0x2; 584221828Sgrehan error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RFLAGS, rflags); 585221828Sgrehan if (error) 586221828Sgrehan goto done; 587221828Sgrehan 588221828Sgrehan rip = 0xfff0; 589221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RIP, rip)) != 0) 590221828Sgrehan goto done; 591221828Sgrehan 592221828Sgrehan cr0 = CR0_NE; 593221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_CR0, cr0)) != 0) 594221828Sgrehan goto done; 595221828Sgrehan 596221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_CR3, zero)) != 0) 597221828Sgrehan goto done; 598221828Sgrehan 599239025Sneel cr4 = 0; 600221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_CR4, cr4)) != 0) 601221828Sgrehan goto done; 602221828Sgrehan 603221828Sgrehan /* 604221828Sgrehan * CS: present, r/w, accessed, 16-bit, byte granularity, usable 605221828Sgrehan */ 606221828Sgrehan desc_base = 0xffff0000; 607221828Sgrehan desc_limit = 0xffff; 608221828Sgrehan desc_access = 0x0093; 609221828Sgrehan error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_CS, 610221828Sgrehan desc_base, desc_limit, desc_access); 611221828Sgrehan if (error) 612221828Sgrehan goto done; 613221828Sgrehan 614221828Sgrehan sel = 0xf000; 615221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_CS, sel)) != 0) 616221828Sgrehan goto done; 617221828Sgrehan 618221828Sgrehan /* 619221828Sgrehan * SS,DS,ES,FS,GS: present, r/w, accessed, 16-bit, byte granularity 620221828Sgrehan */ 621221828Sgrehan desc_base = 0; 622221828Sgrehan desc_limit = 0xffff; 623221828Sgrehan desc_access = 0x0093; 624221828Sgrehan error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_SS, 625221828Sgrehan desc_base, desc_limit, desc_access); 626221828Sgrehan if (error) 627221828Sgrehan goto done; 628221828Sgrehan 629221828Sgrehan error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_DS, 630221828Sgrehan desc_base, desc_limit, desc_access); 631221828Sgrehan if (error) 632221828Sgrehan goto done; 633221828Sgrehan 634221828Sgrehan error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_ES, 635221828Sgrehan desc_base, desc_limit, desc_access); 636221828Sgrehan if (error) 637221828Sgrehan goto done; 638221828Sgrehan 639221828Sgrehan error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_FS, 640221828Sgrehan desc_base, desc_limit, desc_access); 641221828Sgrehan if (error) 642221828Sgrehan goto done; 643221828Sgrehan 644221828Sgrehan error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_GS, 645221828Sgrehan desc_base, desc_limit, desc_access); 646221828Sgrehan if (error) 647221828Sgrehan goto done; 648221828Sgrehan 649221828Sgrehan sel = 0; 650221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_SS, sel)) != 0) 651221828Sgrehan goto done; 652221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_DS, sel)) != 0) 653221828Sgrehan goto done; 654221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_ES, sel)) != 0) 655221828Sgrehan goto done; 656221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_FS, sel)) != 0) 657221828Sgrehan goto done; 658221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_GS, sel)) != 0) 659221828Sgrehan goto done; 660221828Sgrehan 661221828Sgrehan /* General purpose registers */ 662221828Sgrehan rdx = 0xf00; 663221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RAX, zero)) != 0) 664221828Sgrehan goto done; 665221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RBX, zero)) != 0) 666221828Sgrehan goto done; 667221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RCX, zero)) != 0) 668221828Sgrehan goto done; 669221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RDX, rdx)) != 0) 670221828Sgrehan goto done; 671221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RSI, zero)) != 0) 672221828Sgrehan goto done; 673221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RDI, zero)) != 0) 674221828Sgrehan goto done; 675221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RBP, zero)) != 0) 676221828Sgrehan goto done; 677221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RSP, zero)) != 0) 678221828Sgrehan goto done; 679221828Sgrehan 680221828Sgrehan /* GDTR, IDTR */ 681221828Sgrehan desc_base = 0; 682221828Sgrehan desc_limit = 0xffff; 683221828Sgrehan desc_access = 0; 684221828Sgrehan error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_GDTR, 685221828Sgrehan desc_base, desc_limit, desc_access); 686221828Sgrehan if (error != 0) 687221828Sgrehan goto done; 688221828Sgrehan 689221828Sgrehan error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_IDTR, 690221828Sgrehan desc_base, desc_limit, desc_access); 691221828Sgrehan if (error != 0) 692221828Sgrehan goto done; 693221828Sgrehan 694221828Sgrehan /* TR */ 695221828Sgrehan desc_base = 0; 696221828Sgrehan desc_limit = 0xffff; 697221828Sgrehan desc_access = 0x0000008b; 698221828Sgrehan error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_TR, 0, 0, desc_access); 699221828Sgrehan if (error) 700221828Sgrehan goto done; 701221828Sgrehan 702221828Sgrehan sel = 0; 703221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_TR, sel)) != 0) 704221828Sgrehan goto done; 705221828Sgrehan 706221828Sgrehan /* LDTR */ 707221828Sgrehan desc_base = 0; 708221828Sgrehan desc_limit = 0xffff; 709221828Sgrehan desc_access = 0x00000082; 710221828Sgrehan error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_LDTR, desc_base, 711221828Sgrehan desc_limit, desc_access); 712221828Sgrehan if (error) 713221828Sgrehan goto done; 714221828Sgrehan 715221828Sgrehan sel = 0; 716221828Sgrehan if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_LDTR, 0)) != 0) 717221828Sgrehan goto done; 718221828Sgrehan 719221828Sgrehan /* XXX cr2, debug registers */ 720221828Sgrehan 721221828Sgrehan error = 0; 722221828Sgrehandone: 723221828Sgrehan return (error); 724221828Sgrehan} 725