1bf21cd93STycho Nightingale /*- 2*4c87aefeSPatrick Mooney * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3*4c87aefeSPatrick Mooney * 4bf21cd93STycho Nightingale * Copyright (c) 2011 NetApp, Inc. 5bf21cd93STycho Nightingale * All rights reserved. 6bf21cd93STycho Nightingale * 7bf21cd93STycho Nightingale * Redistribution and use in source and binary forms, with or without 8bf21cd93STycho Nightingale * modification, are permitted provided that the following conditions 9bf21cd93STycho Nightingale * are met: 10bf21cd93STycho Nightingale * 1. Redistributions of source code must retain the above copyright 11bf21cd93STycho Nightingale * notice, this list of conditions and the following disclaimer. 12bf21cd93STycho Nightingale * 2. Redistributions in binary form must reproduce the above copyright 13bf21cd93STycho Nightingale * notice, this list of conditions and the following disclaimer in the 14bf21cd93STycho Nightingale * documentation and/or other materials provided with the distribution. 15bf21cd93STycho Nightingale * 16bf21cd93STycho Nightingale * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 17bf21cd93STycho Nightingale * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18bf21cd93STycho Nightingale * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19bf21cd93STycho Nightingale * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 20bf21cd93STycho Nightingale * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21bf21cd93STycho Nightingale * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22bf21cd93STycho Nightingale * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23bf21cd93STycho Nightingale * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24bf21cd93STycho Nightingale * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25bf21cd93STycho Nightingale * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26bf21cd93STycho Nightingale * SUCH DAMAGE. 27bf21cd93STycho Nightingale * 28*4c87aefeSPatrick Mooney * $FreeBSD$ 29bf21cd93STycho Nightingale */ 30bf21cd93STycho Nightingale /* 31bf21cd93STycho Nightingale * This file and its contents are supplied under the terms of the 32bf21cd93STycho Nightingale * Common Development and Distribution License ("CDDL"), version 1.0. 33bf21cd93STycho Nightingale * You may only use this file in accordance with the terms of version 34bf21cd93STycho Nightingale * 1.0 of the CDDL. 35bf21cd93STycho Nightingale * 36bf21cd93STycho Nightingale * A full copy of the text of the CDDL should have accompanied this 37bf21cd93STycho Nightingale * source. A copy of the CDDL is also available via the Internet at 38bf21cd93STycho Nightingale * http://www.illumos.org/license/CDDL. 39bf21cd93STycho Nightingale * 40bf21cd93STycho Nightingale * Copyright 2015 Pluribus Networks Inc. 41*4c87aefeSPatrick Mooney * Copyright 2019 Joyent, Inc. 42bf21cd93STycho Nightingale */ 43bf21cd93STycho Nightingale 44bf21cd93STycho Nightingale #include <sys/cdefs.h> 45*4c87aefeSPatrick Mooney __FBSDID("$FreeBSD$"); 46bf21cd93STycho Nightingale 47bf21cd93STycho Nightingale #include <sys/param.h> 48bf21cd93STycho Nightingale #include <sys/sysctl.h> 49bf21cd93STycho Nightingale #include <sys/ioctl.h> 50bf21cd93STycho Nightingale #include <sys/mman.h> 51bf21cd93STycho Nightingale #include <sys/_iovec.h> 52bf21cd93STycho Nightingale #include <sys/cpuset.h> 53bf21cd93STycho Nightingale 54*4c87aefeSPatrick Mooney #include <x86/segments.h> 55bf21cd93STycho Nightingale #include <machine/specialreg.h> 56bf21cd93STycho Nightingale 57bf21cd93STycho Nightingale #include <errno.h> 58bf21cd93STycho Nightingale #include <stdio.h> 59bf21cd93STycho Nightingale #include <stdlib.h> 60bf21cd93STycho Nightingale #include <assert.h> 61bf21cd93STycho Nightingale #include <string.h> 62bf21cd93STycho Nightingale #include <fcntl.h> 63bf21cd93STycho Nightingale #include <unistd.h> 64bf21cd93STycho Nightingale 65bf21cd93STycho Nightingale #include <libutil.h> 66bf21cd93STycho Nightingale 67bf21cd93STycho Nightingale #include <machine/vmm.h> 68bf21cd93STycho Nightingale #include <machine/vmm_dev.h> 69bf21cd93STycho Nightingale #ifndef __FreeBSD__ 70bf21cd93STycho Nightingale #include <sys/vmm_impl.h> 71bf21cd93STycho Nightingale #endif 72bf21cd93STycho Nightingale 73bf21cd93STycho Nightingale #include "vmmapi.h" 74bf21cd93STycho Nightingale 75bf21cd93STycho Nightingale #define MB (1024 * 1024UL) 76bf21cd93STycho Nightingale #define GB (1024 * 1024 * 1024UL) 77bf21cd93STycho Nightingale 78*4c87aefeSPatrick Mooney #ifndef __FreeBSD__ 79*4c87aefeSPatrick Mooney /* shim to no-op for now */ 80*4c87aefeSPatrick Mooney #define MAP_NOCORE 0 81*4c87aefeSPatrick Mooney #define MAP_ALIGNED_SUPER 0 82*4c87aefeSPatrick Mooney 83*4c87aefeSPatrick Mooney /* Rely on PROT_NONE for guard purposes */ 84*4c87aefeSPatrick Mooney #define MAP_GUARD (MAP_PRIVATE | MAP_ANON | MAP_NORESERVE) 85*4c87aefeSPatrick Mooney #endif 86*4c87aefeSPatrick Mooney 87*4c87aefeSPatrick Mooney /* 88*4c87aefeSPatrick Mooney * Size of the guard region before and after the virtual address space 89*4c87aefeSPatrick Mooney * mapping the guest physical memory. This must be a multiple of the 90*4c87aefeSPatrick Mooney * superpage size for performance reasons. 91*4c87aefeSPatrick Mooney */ 92*4c87aefeSPatrick Mooney #define VM_MMAP_GUARD_SIZE (4 * MB) 93*4c87aefeSPatrick Mooney 94*4c87aefeSPatrick Mooney #define PROT_RW (PROT_READ | PROT_WRITE) 95*4c87aefeSPatrick Mooney #define PROT_ALL (PROT_READ | PROT_WRITE | PROT_EXEC) 96*4c87aefeSPatrick Mooney 97bf21cd93STycho Nightingale struct vmctx { 98bf21cd93STycho Nightingale int fd; 99bf21cd93STycho Nightingale uint32_t lowmem_limit; 100*4c87aefeSPatrick Mooney int memflags; 101bf21cd93STycho Nightingale size_t lowmem; 102bf21cd93STycho Nightingale size_t highmem; 103*4c87aefeSPatrick Mooney char *baseaddr; 104bf21cd93STycho Nightingale char *name; 105bf21cd93STycho Nightingale }; 106bf21cd93STycho Nightingale 107bf21cd93STycho Nightingale #ifdef __FreeBSD__ 108bf21cd93STycho Nightingale #define CREATE(x) sysctlbyname("hw.vmm.create", NULL, NULL, (x), strlen((x))) 109bf21cd93STycho Nightingale #define DESTROY(x) sysctlbyname("hw.vmm.destroy", NULL, NULL, (x), strlen((x))) 110bf21cd93STycho Nightingale #else 111*4c87aefeSPatrick Mooney #define CREATE(x) vm_do_ctl(VMM_CREATE_VM, (x)) 112*4c87aefeSPatrick Mooney #define DESTROY(x) vm_do_ctl(VMM_DESTROY_VM, (x)) 113bf21cd93STycho Nightingale 114bf21cd93STycho Nightingale static int 115*4c87aefeSPatrick Mooney vm_do_ctl(int cmd, const char *name) 116bf21cd93STycho Nightingale { 117*4c87aefeSPatrick Mooney int ctl_fd; 118bf21cd93STycho Nightingale 119*4c87aefeSPatrick Mooney ctl_fd = open(VMM_CTL_DEV, O_EXCL | O_RDWR); 120*4c87aefeSPatrick Mooney if (ctl_fd < 0) { 121*4c87aefeSPatrick Mooney return (-1); 122*4c87aefeSPatrick Mooney } 123bf21cd93STycho Nightingale 124*4c87aefeSPatrick Mooney if (ioctl(ctl_fd, cmd, name) == -1) { 125*4c87aefeSPatrick Mooney int err = errno; 126bf21cd93STycho Nightingale 127*4c87aefeSPatrick Mooney /* Do not lose ioctl errno through the close(2) */ 128*4c87aefeSPatrick Mooney (void) close(ctl_fd); 129*4c87aefeSPatrick Mooney errno = err; 130*4c87aefeSPatrick Mooney return (-1); 131*4c87aefeSPatrick Mooney } 132*4c87aefeSPatrick Mooney (void) close(ctl_fd); 133*4c87aefeSPatrick Mooney 134*4c87aefeSPatrick Mooney return (0); 135bf21cd93STycho Nightingale } 136*4c87aefeSPatrick Mooney #endif 137bf21cd93STycho Nightingale 138bf21cd93STycho Nightingale static int 139*4c87aefeSPatrick Mooney vm_device_open(const char *name) 140bf21cd93STycho Nightingale { 141*4c87aefeSPatrick Mooney int fd, len; 142*4c87aefeSPatrick Mooney char *vmfile; 143bf21cd93STycho Nightingale 144*4c87aefeSPatrick Mooney len = strlen("/dev/vmm/") + strlen(name) + 1; 145*4c87aefeSPatrick Mooney vmfile = malloc(len); 146*4c87aefeSPatrick Mooney assert(vmfile != NULL); 147*4c87aefeSPatrick Mooney snprintf(vmfile, len, "/dev/vmm/%s", name); 148bf21cd93STycho Nightingale 149*4c87aefeSPatrick Mooney /* Open the device file */ 150*4c87aefeSPatrick Mooney fd = open(vmfile, O_RDWR, 0); 151bf21cd93STycho Nightingale 152*4c87aefeSPatrick Mooney free(vmfile); 153*4c87aefeSPatrick Mooney return (fd); 154bf21cd93STycho Nightingale } 155bf21cd93STycho Nightingale 156bf21cd93STycho Nightingale int 157bf21cd93STycho Nightingale vm_create(const char *name) 158bf21cd93STycho Nightingale { 159bf21cd93STycho Nightingale 160bf21cd93STycho Nightingale return (CREATE((char *)name)); 161bf21cd93STycho Nightingale } 162bf21cd93STycho Nightingale 163bf21cd93STycho Nightingale struct vmctx * 164bf21cd93STycho Nightingale vm_open(const char *name) 165bf21cd93STycho Nightingale { 166bf21cd93STycho Nightingale struct vmctx *vm; 167bf21cd93STycho Nightingale 168bf21cd93STycho Nightingale vm = malloc(sizeof(struct vmctx) + strlen(name) + 1); 169bf21cd93STycho Nightingale assert(vm != NULL); 170bf21cd93STycho Nightingale 171bf21cd93STycho Nightingale vm->fd = -1; 172*4c87aefeSPatrick Mooney vm->memflags = 0; 173bf21cd93STycho Nightingale vm->lowmem_limit = 3 * GB; 174bf21cd93STycho Nightingale vm->name = (char *)(vm + 1); 175bf21cd93STycho Nightingale strcpy(vm->name, name); 176bf21cd93STycho Nightingale 177bf21cd93STycho Nightingale if ((vm->fd = vm_device_open(vm->name)) < 0) 178bf21cd93STycho Nightingale goto err; 179bf21cd93STycho Nightingale 180bf21cd93STycho Nightingale return (vm); 181bf21cd93STycho Nightingale err: 182*4c87aefeSPatrick Mooney vm_destroy(vm); 183bf21cd93STycho Nightingale return (NULL); 184bf21cd93STycho Nightingale } 185bf21cd93STycho Nightingale 186*4c87aefeSPatrick Mooney void 187bf21cd93STycho Nightingale vm_destroy(struct vmctx *vm) 188bf21cd93STycho Nightingale { 189bf21cd93STycho Nightingale assert(vm != NULL); 190bf21cd93STycho Nightingale 191bf21cd93STycho Nightingale if (vm->fd >= 0) 192bf21cd93STycho Nightingale close(vm->fd); 193*4c87aefeSPatrick Mooney DESTROY(vm->name); 194bf21cd93STycho Nightingale 195bf21cd93STycho Nightingale free(vm); 196bf21cd93STycho Nightingale } 197bf21cd93STycho Nightingale 198bf21cd93STycho Nightingale int 199bf21cd93STycho Nightingale vm_parse_memsize(const char *optarg, size_t *ret_memsize) 200bf21cd93STycho Nightingale { 201bf21cd93STycho Nightingale char *endptr; 202bf21cd93STycho Nightingale size_t optval; 203bf21cd93STycho Nightingale int error; 204bf21cd93STycho Nightingale 205bf21cd93STycho Nightingale optval = strtoul(optarg, &endptr, 0); 206bf21cd93STycho Nightingale if (*optarg != '\0' && *endptr == '\0') { 207bf21cd93STycho Nightingale /* 208bf21cd93STycho Nightingale * For the sake of backward compatibility if the memory size 209bf21cd93STycho Nightingale * specified on the command line is less than a megabyte then 210bf21cd93STycho Nightingale * it is interpreted as being in units of MB. 211bf21cd93STycho Nightingale */ 212bf21cd93STycho Nightingale if (optval < MB) 213bf21cd93STycho Nightingale optval *= MB; 214bf21cd93STycho Nightingale *ret_memsize = optval; 215bf21cd93STycho Nightingale error = 0; 216bf21cd93STycho Nightingale } else 217bf21cd93STycho Nightingale error = expand_number(optarg, ret_memsize); 218bf21cd93STycho Nightingale 219bf21cd93STycho Nightingale return (error); 220bf21cd93STycho Nightingale } 221bf21cd93STycho Nightingale 222*4c87aefeSPatrick Mooney uint32_t 223*4c87aefeSPatrick Mooney vm_get_lowmem_limit(struct vmctx *ctx) 224bf21cd93STycho Nightingale { 225*4c87aefeSPatrick Mooney 226*4c87aefeSPatrick Mooney return (ctx->lowmem_limit); 227bf21cd93STycho Nightingale } 228bf21cd93STycho Nightingale 229*4c87aefeSPatrick Mooney void 230*4c87aefeSPatrick Mooney vm_set_lowmem_limit(struct vmctx *ctx, uint32_t limit) 231bf21cd93STycho Nightingale { 232*4c87aefeSPatrick Mooney 233*4c87aefeSPatrick Mooney ctx->lowmem_limit = limit; 234*4c87aefeSPatrick Mooney } 235*4c87aefeSPatrick Mooney 236*4c87aefeSPatrick Mooney void 237*4c87aefeSPatrick Mooney vm_set_memflags(struct vmctx *ctx, int flags) 238*4c87aefeSPatrick Mooney { 239*4c87aefeSPatrick Mooney 240*4c87aefeSPatrick Mooney ctx->memflags = flags; 241bf21cd93STycho Nightingale } 242bf21cd93STycho Nightingale 243bf21cd93STycho Nightingale int 244*4c87aefeSPatrick Mooney vm_get_memflags(struct vmctx *ctx) 245bf21cd93STycho Nightingale { 246*4c87aefeSPatrick Mooney 247*4c87aefeSPatrick Mooney return (ctx->memflags); 248*4c87aefeSPatrick Mooney } 249*4c87aefeSPatrick Mooney 250*4c87aefeSPatrick Mooney /* 251*4c87aefeSPatrick Mooney * Map segment 'segid' starting at 'off' into guest address range [gpa,gpa+len). 252*4c87aefeSPatrick Mooney */ 253*4c87aefeSPatrick Mooney int 254*4c87aefeSPatrick Mooney vm_mmap_memseg(struct vmctx *ctx, vm_paddr_t gpa, int segid, vm_ooffset_t off, 255*4c87aefeSPatrick Mooney size_t len, int prot) 256*4c87aefeSPatrick Mooney { 257*4c87aefeSPatrick Mooney struct vm_memmap memmap; 258*4c87aefeSPatrick Mooney int error, flags; 259*4c87aefeSPatrick Mooney 260*4c87aefeSPatrick Mooney memmap.gpa = gpa; 261*4c87aefeSPatrick Mooney memmap.segid = segid; 262*4c87aefeSPatrick Mooney memmap.segoff = off; 263*4c87aefeSPatrick Mooney memmap.len = len; 264*4c87aefeSPatrick Mooney memmap.prot = prot; 265*4c87aefeSPatrick Mooney memmap.flags = 0; 266*4c87aefeSPatrick Mooney 267*4c87aefeSPatrick Mooney if (ctx->memflags & VM_MEM_F_WIRED) 268*4c87aefeSPatrick Mooney memmap.flags |= VM_MEMMAP_F_WIRED; 269*4c87aefeSPatrick Mooney 270*4c87aefeSPatrick Mooney /* 271*4c87aefeSPatrick Mooney * If this mapping already exists then don't create it again. This 272*4c87aefeSPatrick Mooney * is the common case for SYSMEM mappings created by bhyveload(8). 273*4c87aefeSPatrick Mooney */ 274*4c87aefeSPatrick Mooney error = vm_mmap_getnext(ctx, &gpa, &segid, &off, &len, &prot, &flags); 275*4c87aefeSPatrick Mooney if (error == 0 && gpa == memmap.gpa) { 276*4c87aefeSPatrick Mooney if (segid != memmap.segid || off != memmap.segoff || 277*4c87aefeSPatrick Mooney prot != memmap.prot || flags != memmap.flags) { 278*4c87aefeSPatrick Mooney errno = EEXIST; 279*4c87aefeSPatrick Mooney return (-1); 280*4c87aefeSPatrick Mooney } else { 281*4c87aefeSPatrick Mooney return (0); 282*4c87aefeSPatrick Mooney } 283*4c87aefeSPatrick Mooney } 284*4c87aefeSPatrick Mooney 285*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_MMAP_MEMSEG, &memmap); 286bf21cd93STycho Nightingale return (error); 287bf21cd93STycho Nightingale } 288bf21cd93STycho Nightingale 289*4c87aefeSPatrick Mooney int 290*4c87aefeSPatrick Mooney vm_mmap_getnext(struct vmctx *ctx, vm_paddr_t *gpa, int *segid, 291*4c87aefeSPatrick Mooney vm_ooffset_t *segoff, size_t *len, int *prot, int *flags) 292bf21cd93STycho Nightingale { 293*4c87aefeSPatrick Mooney struct vm_memmap memmap; 294*4c87aefeSPatrick Mooney int error; 295bf21cd93STycho Nightingale 296*4c87aefeSPatrick Mooney bzero(&memmap, sizeof(struct vm_memmap)); 297*4c87aefeSPatrick Mooney memmap.gpa = *gpa; 298*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_MMAP_GETNEXT, &memmap); 299*4c87aefeSPatrick Mooney if (error == 0) { 300*4c87aefeSPatrick Mooney *gpa = memmap.gpa; 301*4c87aefeSPatrick Mooney *segid = memmap.segid; 302*4c87aefeSPatrick Mooney *segoff = memmap.segoff; 303*4c87aefeSPatrick Mooney *len = memmap.len; 304*4c87aefeSPatrick Mooney *prot = memmap.prot; 305*4c87aefeSPatrick Mooney *flags = memmap.flags; 306*4c87aefeSPatrick Mooney } 307*4c87aefeSPatrick Mooney return (error); 308bf21cd93STycho Nightingale } 309bf21cd93STycho Nightingale 310*4c87aefeSPatrick Mooney /* 311*4c87aefeSPatrick Mooney * Return 0 if the segments are identical and non-zero otherwise. 312*4c87aefeSPatrick Mooney * 313*4c87aefeSPatrick Mooney * This is slightly complicated by the fact that only device memory segments 314*4c87aefeSPatrick Mooney * are named. 315*4c87aefeSPatrick Mooney */ 316*4c87aefeSPatrick Mooney static int 317*4c87aefeSPatrick Mooney cmpseg(size_t len, const char *str, size_t len2, const char *str2) 318bf21cd93STycho Nightingale { 319bf21cd93STycho Nightingale 320*4c87aefeSPatrick Mooney if (len == len2) { 321*4c87aefeSPatrick Mooney if ((!str && !str2) || (str && str2 && !strcmp(str, str2))) 322*4c87aefeSPatrick Mooney return (0); 323*4c87aefeSPatrick Mooney } 324*4c87aefeSPatrick Mooney return (-1); 325bf21cd93STycho Nightingale } 326bf21cd93STycho Nightingale 327bf21cd93STycho Nightingale static int 328*4c87aefeSPatrick Mooney vm_alloc_memseg(struct vmctx *ctx, int segid, size_t len, const char *name) 329bf21cd93STycho Nightingale { 330*4c87aefeSPatrick Mooney struct vm_memseg memseg; 331*4c87aefeSPatrick Mooney size_t n; 332bf21cd93STycho Nightingale int error; 333bf21cd93STycho Nightingale 334bf21cd93STycho Nightingale /* 335*4c87aefeSPatrick Mooney * If the memory segment has already been created then just return. 336*4c87aefeSPatrick Mooney * This is the usual case for the SYSMEM segment created by userspace 337*4c87aefeSPatrick Mooney * loaders like bhyveload(8). 338bf21cd93STycho Nightingale */ 339*4c87aefeSPatrick Mooney error = vm_get_memseg(ctx, segid, &memseg.len, memseg.name, 340*4c87aefeSPatrick Mooney sizeof(memseg.name)); 341*4c87aefeSPatrick Mooney if (error) 342*4c87aefeSPatrick Mooney return (error); 343*4c87aefeSPatrick Mooney 344*4c87aefeSPatrick Mooney if (memseg.len != 0) { 345*4c87aefeSPatrick Mooney if (cmpseg(len, name, memseg.len, VM_MEMSEG_NAME(&memseg))) { 346*4c87aefeSPatrick Mooney errno = EINVAL; 347*4c87aefeSPatrick Mooney return (-1); 348*4c87aefeSPatrick Mooney } else { 349*4c87aefeSPatrick Mooney return (0); 350*4c87aefeSPatrick Mooney } 351*4c87aefeSPatrick Mooney } 352*4c87aefeSPatrick Mooney 353*4c87aefeSPatrick Mooney bzero(&memseg, sizeof(struct vm_memseg)); 354*4c87aefeSPatrick Mooney memseg.segid = segid; 355*4c87aefeSPatrick Mooney memseg.len = len; 356*4c87aefeSPatrick Mooney if (name != NULL) { 357*4c87aefeSPatrick Mooney n = strlcpy(memseg.name, name, sizeof(memseg.name)); 358*4c87aefeSPatrick Mooney if (n >= sizeof(memseg.name)) { 359*4c87aefeSPatrick Mooney errno = ENAMETOOLONG; 360*4c87aefeSPatrick Mooney return (-1); 361*4c87aefeSPatrick Mooney } 362*4c87aefeSPatrick Mooney } 363*4c87aefeSPatrick Mooney 364*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_ALLOC_MEMSEG, &memseg); 365*4c87aefeSPatrick Mooney return (error); 366*4c87aefeSPatrick Mooney } 367*4c87aefeSPatrick Mooney 368*4c87aefeSPatrick Mooney int 369*4c87aefeSPatrick Mooney vm_get_memseg(struct vmctx *ctx, int segid, size_t *lenp, char *namebuf, 370*4c87aefeSPatrick Mooney size_t bufsize) 371*4c87aefeSPatrick Mooney { 372*4c87aefeSPatrick Mooney struct vm_memseg memseg; 373*4c87aefeSPatrick Mooney size_t n; 374*4c87aefeSPatrick Mooney int error; 375*4c87aefeSPatrick Mooney 376*4c87aefeSPatrick Mooney memseg.segid = segid; 377*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_GET_MEMSEG, &memseg); 378*4c87aefeSPatrick Mooney if (error == 0) { 379*4c87aefeSPatrick Mooney *lenp = memseg.len; 380*4c87aefeSPatrick Mooney n = strlcpy(namebuf, memseg.name, bufsize); 381*4c87aefeSPatrick Mooney if (n >= bufsize) { 382*4c87aefeSPatrick Mooney errno = ENAMETOOLONG; 383*4c87aefeSPatrick Mooney error = -1; 384*4c87aefeSPatrick Mooney } 385bf21cd93STycho Nightingale } 386bf21cd93STycho Nightingale return (error); 387bf21cd93STycho Nightingale } 388bf21cd93STycho Nightingale 389*4c87aefeSPatrick Mooney static int 390*4c87aefeSPatrick Mooney #ifdef __FreeBSD__ 391*4c87aefeSPatrick Mooney setup_memory_segment(struct vmctx *ctx, vm_paddr_t gpa, size_t len, char *base) 392*4c87aefeSPatrick Mooney #else 393*4c87aefeSPatrick Mooney setup_memory_segment(struct vmctx *ctx, int segid, vm_paddr_t gpa, size_t len, 394*4c87aefeSPatrick Mooney char *base) 395*4c87aefeSPatrick Mooney #endif 396*4c87aefeSPatrick Mooney { 397*4c87aefeSPatrick Mooney char *ptr; 398*4c87aefeSPatrick Mooney int error, flags; 399*4c87aefeSPatrick Mooney 400*4c87aefeSPatrick Mooney /* Map 'len' bytes starting at 'gpa' in the guest address space */ 401*4c87aefeSPatrick Mooney #ifdef __FreeBSD__ 402*4c87aefeSPatrick Mooney error = vm_mmap_memseg(ctx, gpa, VM_SYSMEM, gpa, len, PROT_ALL); 403*4c87aefeSPatrick Mooney #else 404*4c87aefeSPatrick Mooney /* 405*4c87aefeSPatrick Mooney * As we use two segments for lowmem/highmem the offset within the 406*4c87aefeSPatrick Mooney * segment is 0 on illumos. 407*4c87aefeSPatrick Mooney */ 408*4c87aefeSPatrick Mooney error = vm_mmap_memseg(ctx, gpa, segid, 0, len, PROT_ALL); 409*4c87aefeSPatrick Mooney #endif 410*4c87aefeSPatrick Mooney if (error) 411*4c87aefeSPatrick Mooney return (error); 412*4c87aefeSPatrick Mooney 413*4c87aefeSPatrick Mooney flags = MAP_SHARED | MAP_FIXED; 414*4c87aefeSPatrick Mooney if ((ctx->memflags & VM_MEM_F_INCORE) == 0) 415*4c87aefeSPatrick Mooney flags |= MAP_NOCORE; 416*4c87aefeSPatrick Mooney 417*4c87aefeSPatrick Mooney /* mmap into the process address space on the host */ 418*4c87aefeSPatrick Mooney ptr = mmap(base + gpa, len, PROT_RW, flags, ctx->fd, gpa); 419*4c87aefeSPatrick Mooney if (ptr == MAP_FAILED) 420*4c87aefeSPatrick Mooney return (-1); 421*4c87aefeSPatrick Mooney 422*4c87aefeSPatrick Mooney return (0); 423*4c87aefeSPatrick Mooney } 424*4c87aefeSPatrick Mooney 425bf21cd93STycho Nightingale int 426bf21cd93STycho Nightingale vm_setup_memory(struct vmctx *ctx, size_t memsize, enum vm_mmap_style vms) 427bf21cd93STycho Nightingale { 428*4c87aefeSPatrick Mooney size_t objsize, len; 429*4c87aefeSPatrick Mooney vm_paddr_t gpa; 430*4c87aefeSPatrick Mooney char *baseaddr, *ptr; 431bf21cd93STycho Nightingale int error; 432bf21cd93STycho Nightingale 433*4c87aefeSPatrick Mooney assert(vms == VM_MMAP_ALL); 434bf21cd93STycho Nightingale 435bf21cd93STycho Nightingale /* 436bf21cd93STycho Nightingale * If 'memsize' cannot fit entirely in the 'lowmem' segment then 437bf21cd93STycho Nightingale * create another 'highmem' segment above 4GB for the remainder. 438bf21cd93STycho Nightingale */ 439bf21cd93STycho Nightingale if (memsize > ctx->lowmem_limit) { 440bf21cd93STycho Nightingale ctx->lowmem = ctx->lowmem_limit; 441*4c87aefeSPatrick Mooney ctx->highmem = memsize - ctx->lowmem_limit; 442*4c87aefeSPatrick Mooney objsize = 4*GB + ctx->highmem; 443bf21cd93STycho Nightingale } else { 444bf21cd93STycho Nightingale ctx->lowmem = memsize; 445bf21cd93STycho Nightingale ctx->highmem = 0; 446*4c87aefeSPatrick Mooney objsize = ctx->lowmem; 447bf21cd93STycho Nightingale } 448bf21cd93STycho Nightingale 449*4c87aefeSPatrick Mooney #ifdef __FreeBSD__ 450*4c87aefeSPatrick Mooney error = vm_alloc_memseg(ctx, VM_SYSMEM, objsize, NULL); 451*4c87aefeSPatrick Mooney if (error) 452*4c87aefeSPatrick Mooney return (error); 453*4c87aefeSPatrick Mooney #endif 454*4c87aefeSPatrick Mooney 455*4c87aefeSPatrick Mooney /* 456*4c87aefeSPatrick Mooney * Stake out a contiguous region covering the guest physical memory 457*4c87aefeSPatrick Mooney * and the adjoining guard regions. 458*4c87aefeSPatrick Mooney */ 459*4c87aefeSPatrick Mooney len = VM_MMAP_GUARD_SIZE + objsize + VM_MMAP_GUARD_SIZE; 460*4c87aefeSPatrick Mooney ptr = mmap(NULL, len, PROT_NONE, MAP_GUARD | MAP_ALIGNED_SUPER, -1, 0); 461*4c87aefeSPatrick Mooney if (ptr == MAP_FAILED) 462*4c87aefeSPatrick Mooney return (-1); 463*4c87aefeSPatrick Mooney 464*4c87aefeSPatrick Mooney baseaddr = ptr + VM_MMAP_GUARD_SIZE; 465bf21cd93STycho Nightingale 466*4c87aefeSPatrick Mooney #ifdef __FreeBSD__ 467*4c87aefeSPatrick Mooney if (ctx->highmem > 0) { 468*4c87aefeSPatrick Mooney gpa = 4*GB; 469*4c87aefeSPatrick Mooney len = ctx->highmem; 470*4c87aefeSPatrick Mooney error = setup_memory_segment(ctx, gpa, len, baseaddr); 471bf21cd93STycho Nightingale if (error) 472bf21cd93STycho Nightingale return (error); 473*4c87aefeSPatrick Mooney } 474bf21cd93STycho Nightingale 475*4c87aefeSPatrick Mooney if (ctx->lowmem > 0) { 476*4c87aefeSPatrick Mooney gpa = 0; 477*4c87aefeSPatrick Mooney len = ctx->lowmem; 478*4c87aefeSPatrick Mooney error = setup_memory_segment(ctx, gpa, len, baseaddr); 479bf21cd93STycho Nightingale if (error) 480bf21cd93STycho Nightingale return (error); 481bf21cd93STycho Nightingale } 482*4c87aefeSPatrick Mooney #else 483bf21cd93STycho Nightingale if (ctx->highmem > 0) { 484*4c87aefeSPatrick Mooney error = vm_alloc_memseg(ctx, VM_HIGHMEM, ctx->highmem, NULL); 485*4c87aefeSPatrick Mooney if (error) 486*4c87aefeSPatrick Mooney return (error); 487*4c87aefeSPatrick Mooney gpa = 4*GB; 488*4c87aefeSPatrick Mooney len = ctx->highmem; 489*4c87aefeSPatrick Mooney error = setup_memory_segment(ctx, VM_HIGHMEM, gpa, len, baseaddr); 490bf21cd93STycho Nightingale if (error) 491bf21cd93STycho Nightingale return (error); 492bf21cd93STycho Nightingale } 493bf21cd93STycho Nightingale 494*4c87aefeSPatrick Mooney if (ctx->lowmem > 0) { 495*4c87aefeSPatrick Mooney error = vm_alloc_memseg(ctx, VM_LOWMEM, ctx->lowmem, NULL); 496*4c87aefeSPatrick Mooney if (error) 497*4c87aefeSPatrick Mooney return (error); 498*4c87aefeSPatrick Mooney gpa = 0; 499*4c87aefeSPatrick Mooney len = ctx->lowmem; 500*4c87aefeSPatrick Mooney error = setup_memory_segment(ctx, VM_LOWMEM, gpa, len, baseaddr); 501*4c87aefeSPatrick Mooney if (error) 502*4c87aefeSPatrick Mooney return (error); 503*4c87aefeSPatrick Mooney } 504*4c87aefeSPatrick Mooney #endif 505bf21cd93STycho Nightingale 506*4c87aefeSPatrick Mooney ctx->baseaddr = baseaddr; 507bf21cd93STycho Nightingale 508*4c87aefeSPatrick Mooney return (0); 509bf21cd93STycho Nightingale } 510bf21cd93STycho Nightingale 511*4c87aefeSPatrick Mooney /* 512*4c87aefeSPatrick Mooney * Returns a non-NULL pointer if [gaddr, gaddr+len) is entirely contained in 513*4c87aefeSPatrick Mooney * the lowmem or highmem regions. 514*4c87aefeSPatrick Mooney * 515*4c87aefeSPatrick Mooney * In particular return NULL if [gaddr, gaddr+len) falls in guest MMIO region. 516*4c87aefeSPatrick Mooney * The instruction emulation code depends on this behavior. 517*4c87aefeSPatrick Mooney */ 518bf21cd93STycho Nightingale void * 519bf21cd93STycho Nightingale vm_map_gpa(struct vmctx *ctx, vm_paddr_t gaddr, size_t len) 520bf21cd93STycho Nightingale { 521bf21cd93STycho Nightingale 522*4c87aefeSPatrick Mooney if (ctx->lowmem > 0) { 523*4c87aefeSPatrick Mooney if (gaddr < ctx->lowmem && len <= ctx->lowmem && 524*4c87aefeSPatrick Mooney gaddr + len <= ctx->lowmem) 525*4c87aefeSPatrick Mooney return (ctx->baseaddr + gaddr); 526bf21cd93STycho Nightingale } 527bf21cd93STycho Nightingale 528*4c87aefeSPatrick Mooney if (ctx->highmem > 0) { 529*4c87aefeSPatrick Mooney if (gaddr >= 4*GB) { 530*4c87aefeSPatrick Mooney if (gaddr < 4*GB + ctx->highmem && 531*4c87aefeSPatrick Mooney len <= ctx->highmem && 532*4c87aefeSPatrick Mooney gaddr + len <= 4*GB + ctx->highmem) 533*4c87aefeSPatrick Mooney return (ctx->baseaddr + gaddr); 534*4c87aefeSPatrick Mooney } 535bf21cd93STycho Nightingale } 536bf21cd93STycho Nightingale 537bf21cd93STycho Nightingale return (NULL); 538bf21cd93STycho Nightingale } 539bf21cd93STycho Nightingale 540bf21cd93STycho Nightingale size_t 541bf21cd93STycho Nightingale vm_get_lowmem_size(struct vmctx *ctx) 542bf21cd93STycho Nightingale { 543bf21cd93STycho Nightingale 544bf21cd93STycho Nightingale return (ctx->lowmem); 545bf21cd93STycho Nightingale } 546bf21cd93STycho Nightingale 547bf21cd93STycho Nightingale size_t 548bf21cd93STycho Nightingale vm_get_highmem_size(struct vmctx *ctx) 549bf21cd93STycho Nightingale { 550bf21cd93STycho Nightingale 551bf21cd93STycho Nightingale return (ctx->highmem); 552bf21cd93STycho Nightingale } 553bf21cd93STycho Nightingale 554*4c87aefeSPatrick Mooney void * 555*4c87aefeSPatrick Mooney vm_create_devmem(struct vmctx *ctx, int segid, const char *name, size_t len) 556*4c87aefeSPatrick Mooney { 557*4c87aefeSPatrick Mooney #ifdef __FreeBSD__ 558*4c87aefeSPatrick Mooney char pathname[MAXPATHLEN]; 559*4c87aefeSPatrick Mooney #endif 560*4c87aefeSPatrick Mooney size_t len2; 561*4c87aefeSPatrick Mooney char *base, *ptr; 562*4c87aefeSPatrick Mooney int fd, error, flags; 563*4c87aefeSPatrick Mooney off_t mapoff; 564*4c87aefeSPatrick Mooney 565*4c87aefeSPatrick Mooney fd = -1; 566*4c87aefeSPatrick Mooney ptr = MAP_FAILED; 567*4c87aefeSPatrick Mooney if (name == NULL || strlen(name) == 0) { 568*4c87aefeSPatrick Mooney errno = EINVAL; 569*4c87aefeSPatrick Mooney goto done; 570*4c87aefeSPatrick Mooney } 571*4c87aefeSPatrick Mooney 572*4c87aefeSPatrick Mooney error = vm_alloc_memseg(ctx, segid, len, name); 573*4c87aefeSPatrick Mooney if (error) 574*4c87aefeSPatrick Mooney goto done; 575*4c87aefeSPatrick Mooney 576*4c87aefeSPatrick Mooney #ifdef __FreeBSD__ 577*4c87aefeSPatrick Mooney strlcpy(pathname, "/dev/vmm.io/", sizeof(pathname)); 578*4c87aefeSPatrick Mooney strlcat(pathname, ctx->name, sizeof(pathname)); 579*4c87aefeSPatrick Mooney strlcat(pathname, ".", sizeof(pathname)); 580*4c87aefeSPatrick Mooney strlcat(pathname, name, sizeof(pathname)); 581*4c87aefeSPatrick Mooney 582*4c87aefeSPatrick Mooney fd = open(pathname, O_RDWR); 583*4c87aefeSPatrick Mooney if (fd < 0) 584*4c87aefeSPatrick Mooney goto done; 585*4c87aefeSPatrick Mooney #else 586*4c87aefeSPatrick Mooney { 587*4c87aefeSPatrick Mooney struct vm_devmem_offset vdo; 588*4c87aefeSPatrick Mooney 589*4c87aefeSPatrick Mooney vdo.segid = segid; 590*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_DEVMEM_GETOFFSET, &vdo); 591*4c87aefeSPatrick Mooney if (error == 0) { 592*4c87aefeSPatrick Mooney mapoff = vdo.offset; 593*4c87aefeSPatrick Mooney } else { 594*4c87aefeSPatrick Mooney goto done; 595*4c87aefeSPatrick Mooney } 596*4c87aefeSPatrick Mooney } 597*4c87aefeSPatrick Mooney #endif 598*4c87aefeSPatrick Mooney 599*4c87aefeSPatrick Mooney /* 600*4c87aefeSPatrick Mooney * Stake out a contiguous region covering the device memory and the 601*4c87aefeSPatrick Mooney * adjoining guard regions. 602*4c87aefeSPatrick Mooney */ 603*4c87aefeSPatrick Mooney len2 = VM_MMAP_GUARD_SIZE + len + VM_MMAP_GUARD_SIZE; 604*4c87aefeSPatrick Mooney base = mmap(NULL, len2, PROT_NONE, MAP_GUARD | MAP_ALIGNED_SUPER, -1, 605*4c87aefeSPatrick Mooney 0); 606*4c87aefeSPatrick Mooney if (base == MAP_FAILED) 607*4c87aefeSPatrick Mooney goto done; 608*4c87aefeSPatrick Mooney 609*4c87aefeSPatrick Mooney flags = MAP_SHARED | MAP_FIXED; 610*4c87aefeSPatrick Mooney if ((ctx->memflags & VM_MEM_F_INCORE) == 0) 611*4c87aefeSPatrick Mooney flags |= MAP_NOCORE; 612*4c87aefeSPatrick Mooney 613*4c87aefeSPatrick Mooney #ifdef __FreeBSD__ 614*4c87aefeSPatrick Mooney /* mmap the devmem region in the host address space */ 615*4c87aefeSPatrick Mooney ptr = mmap(base + VM_MMAP_GUARD_SIZE, len, PROT_RW, flags, fd, 0); 616*4c87aefeSPatrick Mooney #else 617*4c87aefeSPatrick Mooney /* mmap the devmem region in the host address space */ 618*4c87aefeSPatrick Mooney ptr = mmap(base + VM_MMAP_GUARD_SIZE, len, PROT_RW, flags, ctx->fd, 619*4c87aefeSPatrick Mooney mapoff); 620*4c87aefeSPatrick Mooney #endif 621*4c87aefeSPatrick Mooney done: 622*4c87aefeSPatrick Mooney if (fd >= 0) 623*4c87aefeSPatrick Mooney close(fd); 624*4c87aefeSPatrick Mooney return (ptr); 625*4c87aefeSPatrick Mooney } 626*4c87aefeSPatrick Mooney 627bf21cd93STycho Nightingale int 628bf21cd93STycho Nightingale vm_set_desc(struct vmctx *ctx, int vcpu, int reg, 629bf21cd93STycho Nightingale uint64_t base, uint32_t limit, uint32_t access) 630bf21cd93STycho Nightingale { 631bf21cd93STycho Nightingale int error; 632bf21cd93STycho Nightingale struct vm_seg_desc vmsegdesc; 633bf21cd93STycho Nightingale 634bf21cd93STycho Nightingale bzero(&vmsegdesc, sizeof(vmsegdesc)); 635bf21cd93STycho Nightingale vmsegdesc.cpuid = vcpu; 636bf21cd93STycho Nightingale vmsegdesc.regnum = reg; 637bf21cd93STycho Nightingale vmsegdesc.desc.base = base; 638bf21cd93STycho Nightingale vmsegdesc.desc.limit = limit; 639bf21cd93STycho Nightingale vmsegdesc.desc.access = access; 640bf21cd93STycho Nightingale 641bf21cd93STycho Nightingale error = ioctl(ctx->fd, VM_SET_SEGMENT_DESCRIPTOR, &vmsegdesc); 642bf21cd93STycho Nightingale return (error); 643bf21cd93STycho Nightingale } 644bf21cd93STycho Nightingale 645bf21cd93STycho Nightingale int 646bf21cd93STycho Nightingale vm_get_desc(struct vmctx *ctx, int vcpu, int reg, 647bf21cd93STycho Nightingale uint64_t *base, uint32_t *limit, uint32_t *access) 648bf21cd93STycho Nightingale { 649bf21cd93STycho Nightingale int error; 650bf21cd93STycho Nightingale struct vm_seg_desc vmsegdesc; 651bf21cd93STycho Nightingale 652bf21cd93STycho Nightingale bzero(&vmsegdesc, sizeof(vmsegdesc)); 653bf21cd93STycho Nightingale vmsegdesc.cpuid = vcpu; 654bf21cd93STycho Nightingale vmsegdesc.regnum = reg; 655bf21cd93STycho Nightingale 656bf21cd93STycho Nightingale error = ioctl(ctx->fd, VM_GET_SEGMENT_DESCRIPTOR, &vmsegdesc); 657bf21cd93STycho Nightingale if (error == 0) { 658bf21cd93STycho Nightingale *base = vmsegdesc.desc.base; 659bf21cd93STycho Nightingale *limit = vmsegdesc.desc.limit; 660bf21cd93STycho Nightingale *access = vmsegdesc.desc.access; 661bf21cd93STycho Nightingale } 662bf21cd93STycho Nightingale return (error); 663bf21cd93STycho Nightingale } 664bf21cd93STycho Nightingale 665bf21cd93STycho Nightingale int 666bf21cd93STycho Nightingale vm_get_seg_desc(struct vmctx *ctx, int vcpu, int reg, struct seg_desc *seg_desc) 667bf21cd93STycho Nightingale { 668bf21cd93STycho Nightingale int error; 669bf21cd93STycho Nightingale 670bf21cd93STycho Nightingale error = vm_get_desc(ctx, vcpu, reg, &seg_desc->base, &seg_desc->limit, 671bf21cd93STycho Nightingale &seg_desc->access); 672bf21cd93STycho Nightingale return (error); 673bf21cd93STycho Nightingale } 674bf21cd93STycho Nightingale 675bf21cd93STycho Nightingale int 676bf21cd93STycho Nightingale vm_set_register(struct vmctx *ctx, int vcpu, int reg, uint64_t val) 677bf21cd93STycho Nightingale { 678bf21cd93STycho Nightingale int error; 679bf21cd93STycho Nightingale struct vm_register vmreg; 680bf21cd93STycho Nightingale 681bf21cd93STycho Nightingale bzero(&vmreg, sizeof(vmreg)); 682bf21cd93STycho Nightingale vmreg.cpuid = vcpu; 683bf21cd93STycho Nightingale vmreg.regnum = reg; 684bf21cd93STycho Nightingale vmreg.regval = val; 685bf21cd93STycho Nightingale 686bf21cd93STycho Nightingale error = ioctl(ctx->fd, VM_SET_REGISTER, &vmreg); 687bf21cd93STycho Nightingale return (error); 688bf21cd93STycho Nightingale } 689bf21cd93STycho Nightingale 690bf21cd93STycho Nightingale int 691bf21cd93STycho Nightingale vm_get_register(struct vmctx *ctx, int vcpu, int reg, uint64_t *ret_val) 692bf21cd93STycho Nightingale { 693bf21cd93STycho Nightingale int error; 694bf21cd93STycho Nightingale struct vm_register vmreg; 695bf21cd93STycho Nightingale 696bf21cd93STycho Nightingale bzero(&vmreg, sizeof(vmreg)); 697bf21cd93STycho Nightingale vmreg.cpuid = vcpu; 698bf21cd93STycho Nightingale vmreg.regnum = reg; 699bf21cd93STycho Nightingale 700bf21cd93STycho Nightingale error = ioctl(ctx->fd, VM_GET_REGISTER, &vmreg); 701bf21cd93STycho Nightingale *ret_val = vmreg.regval; 702bf21cd93STycho Nightingale return (error); 703bf21cd93STycho Nightingale } 704bf21cd93STycho Nightingale 705*4c87aefeSPatrick Mooney int 706*4c87aefeSPatrick Mooney vm_set_register_set(struct vmctx *ctx, int vcpu, unsigned int count, 707*4c87aefeSPatrick Mooney const int *regnums, uint64_t *regvals) 708*4c87aefeSPatrick Mooney { 709*4c87aefeSPatrick Mooney int error; 710*4c87aefeSPatrick Mooney struct vm_register_set vmregset; 711*4c87aefeSPatrick Mooney 712*4c87aefeSPatrick Mooney bzero(&vmregset, sizeof(vmregset)); 713*4c87aefeSPatrick Mooney vmregset.cpuid = vcpu; 714*4c87aefeSPatrick Mooney vmregset.count = count; 715*4c87aefeSPatrick Mooney vmregset.regnums = regnums; 716*4c87aefeSPatrick Mooney vmregset.regvals = regvals; 717*4c87aefeSPatrick Mooney 718*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_SET_REGISTER_SET, &vmregset); 719*4c87aefeSPatrick Mooney return (error); 720*4c87aefeSPatrick Mooney } 721*4c87aefeSPatrick Mooney 722*4c87aefeSPatrick Mooney int 723*4c87aefeSPatrick Mooney vm_get_register_set(struct vmctx *ctx, int vcpu, unsigned int count, 724*4c87aefeSPatrick Mooney const int *regnums, uint64_t *regvals) 725*4c87aefeSPatrick Mooney { 726*4c87aefeSPatrick Mooney int error; 727*4c87aefeSPatrick Mooney struct vm_register_set vmregset; 728*4c87aefeSPatrick Mooney 729*4c87aefeSPatrick Mooney bzero(&vmregset, sizeof(vmregset)); 730*4c87aefeSPatrick Mooney vmregset.cpuid = vcpu; 731*4c87aefeSPatrick Mooney vmregset.count = count; 732*4c87aefeSPatrick Mooney vmregset.regnums = regnums; 733*4c87aefeSPatrick Mooney vmregset.regvals = regvals; 734*4c87aefeSPatrick Mooney 735*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_GET_REGISTER_SET, &vmregset); 736*4c87aefeSPatrick Mooney return (error); 737*4c87aefeSPatrick Mooney } 738*4c87aefeSPatrick Mooney 739bf21cd93STycho Nightingale int 740bf21cd93STycho Nightingale vm_run(struct vmctx *ctx, int vcpu, struct vm_exit *vmexit) 741bf21cd93STycho Nightingale { 742bf21cd93STycho Nightingale int error; 743bf21cd93STycho Nightingale struct vm_run vmrun; 744bf21cd93STycho Nightingale 745bf21cd93STycho Nightingale bzero(&vmrun, sizeof(vmrun)); 746bf21cd93STycho Nightingale vmrun.cpuid = vcpu; 747bf21cd93STycho Nightingale 748bf21cd93STycho Nightingale error = ioctl(ctx->fd, VM_RUN, &vmrun); 749bf21cd93STycho Nightingale bcopy(&vmrun.vm_exit, vmexit, sizeof(struct vm_exit)); 750bf21cd93STycho Nightingale return (error); 751bf21cd93STycho Nightingale } 752bf21cd93STycho Nightingale 753*4c87aefeSPatrick Mooney int 754*4c87aefeSPatrick Mooney vm_suspend(struct vmctx *ctx, enum vm_suspend_how how) 755bf21cd93STycho Nightingale { 756*4c87aefeSPatrick Mooney struct vm_suspend vmsuspend; 757bf21cd93STycho Nightingale 758*4c87aefeSPatrick Mooney bzero(&vmsuspend, sizeof(vmsuspend)); 759*4c87aefeSPatrick Mooney vmsuspend.how = how; 760*4c87aefeSPatrick Mooney return (ioctl(ctx->fd, VM_SUSPEND, &vmsuspend)); 761*4c87aefeSPatrick Mooney } 762bf21cd93STycho Nightingale 763*4c87aefeSPatrick Mooney int 764*4c87aefeSPatrick Mooney vm_reinit(struct vmctx *ctx) 765*4c87aefeSPatrick Mooney { 766*4c87aefeSPatrick Mooney 767*4c87aefeSPatrick Mooney return (ioctl(ctx->fd, VM_REINIT, 0)); 768bf21cd93STycho Nightingale } 769bf21cd93STycho Nightingale 770bf21cd93STycho Nightingale int 771bf21cd93STycho Nightingale vm_inject_exception(struct vmctx *ctx, int vcpu, int vector, int errcode_valid, 772bf21cd93STycho Nightingale uint32_t errcode, int restart_instruction) 773bf21cd93STycho Nightingale { 774bf21cd93STycho Nightingale struct vm_exception exc; 775bf21cd93STycho Nightingale 776bf21cd93STycho Nightingale exc.cpuid = vcpu; 777bf21cd93STycho Nightingale exc.vector = vector; 778bf21cd93STycho Nightingale exc.error_code = errcode; 779bf21cd93STycho Nightingale exc.error_code_valid = errcode_valid; 780bf21cd93STycho Nightingale exc.restart_instruction = restart_instruction; 781bf21cd93STycho Nightingale 782bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_INJECT_EXCEPTION, &exc)); 783bf21cd93STycho Nightingale } 784bf21cd93STycho Nightingale 785bf21cd93STycho Nightingale int 786bf21cd93STycho Nightingale vm_apicid2vcpu(struct vmctx *ctx, int apicid) 787bf21cd93STycho Nightingale { 788bf21cd93STycho Nightingale /* 789bf21cd93STycho Nightingale * The apic id associated with the 'vcpu' has the same numerical value 790bf21cd93STycho Nightingale * as the 'vcpu' itself. 791bf21cd93STycho Nightingale */ 792bf21cd93STycho Nightingale return (apicid); 793bf21cd93STycho Nightingale } 794bf21cd93STycho Nightingale 795bf21cd93STycho Nightingale int 796bf21cd93STycho Nightingale vm_lapic_irq(struct vmctx *ctx, int vcpu, int vector) 797bf21cd93STycho Nightingale { 798bf21cd93STycho Nightingale struct vm_lapic_irq vmirq; 799bf21cd93STycho Nightingale 800bf21cd93STycho Nightingale bzero(&vmirq, sizeof(vmirq)); 801bf21cd93STycho Nightingale vmirq.cpuid = vcpu; 802bf21cd93STycho Nightingale vmirq.vector = vector; 803bf21cd93STycho Nightingale 804bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_LAPIC_IRQ, &vmirq)); 805bf21cd93STycho Nightingale } 806bf21cd93STycho Nightingale 807bf21cd93STycho Nightingale int 808bf21cd93STycho Nightingale vm_lapic_local_irq(struct vmctx *ctx, int vcpu, int vector) 809bf21cd93STycho Nightingale { 810bf21cd93STycho Nightingale struct vm_lapic_irq vmirq; 811bf21cd93STycho Nightingale 812bf21cd93STycho Nightingale bzero(&vmirq, sizeof(vmirq)); 813bf21cd93STycho Nightingale vmirq.cpuid = vcpu; 814bf21cd93STycho Nightingale vmirq.vector = vector; 815bf21cd93STycho Nightingale 816bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_LAPIC_LOCAL_IRQ, &vmirq)); 817bf21cd93STycho Nightingale } 818bf21cd93STycho Nightingale 819bf21cd93STycho Nightingale int 820bf21cd93STycho Nightingale vm_lapic_msi(struct vmctx *ctx, uint64_t addr, uint64_t msg) 821bf21cd93STycho Nightingale { 822bf21cd93STycho Nightingale struct vm_lapic_msi vmmsi; 823bf21cd93STycho Nightingale 824bf21cd93STycho Nightingale bzero(&vmmsi, sizeof(vmmsi)); 825bf21cd93STycho Nightingale vmmsi.addr = addr; 826bf21cd93STycho Nightingale vmmsi.msg = msg; 827bf21cd93STycho Nightingale 828bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_LAPIC_MSI, &vmmsi)); 829bf21cd93STycho Nightingale } 830bf21cd93STycho Nightingale 831bf21cd93STycho Nightingale int 832bf21cd93STycho Nightingale vm_ioapic_assert_irq(struct vmctx *ctx, int irq) 833bf21cd93STycho Nightingale { 834bf21cd93STycho Nightingale struct vm_ioapic_irq ioapic_irq; 835bf21cd93STycho Nightingale 836bf21cd93STycho Nightingale bzero(&ioapic_irq, sizeof(struct vm_ioapic_irq)); 837bf21cd93STycho Nightingale ioapic_irq.irq = irq; 838bf21cd93STycho Nightingale 839bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_IOAPIC_ASSERT_IRQ, &ioapic_irq)); 840bf21cd93STycho Nightingale } 841bf21cd93STycho Nightingale 842bf21cd93STycho Nightingale int 843bf21cd93STycho Nightingale vm_ioapic_deassert_irq(struct vmctx *ctx, int irq) 844bf21cd93STycho Nightingale { 845bf21cd93STycho Nightingale struct vm_ioapic_irq ioapic_irq; 846bf21cd93STycho Nightingale 847bf21cd93STycho Nightingale bzero(&ioapic_irq, sizeof(struct vm_ioapic_irq)); 848bf21cd93STycho Nightingale ioapic_irq.irq = irq; 849bf21cd93STycho Nightingale 850bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_IOAPIC_DEASSERT_IRQ, &ioapic_irq)); 851bf21cd93STycho Nightingale } 852bf21cd93STycho Nightingale 853bf21cd93STycho Nightingale int 854bf21cd93STycho Nightingale vm_ioapic_pulse_irq(struct vmctx *ctx, int irq) 855bf21cd93STycho Nightingale { 856bf21cd93STycho Nightingale struct vm_ioapic_irq ioapic_irq; 857bf21cd93STycho Nightingale 858bf21cd93STycho Nightingale bzero(&ioapic_irq, sizeof(struct vm_ioapic_irq)); 859bf21cd93STycho Nightingale ioapic_irq.irq = irq; 860bf21cd93STycho Nightingale 861bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_IOAPIC_PULSE_IRQ, &ioapic_irq)); 862bf21cd93STycho Nightingale } 863bf21cd93STycho Nightingale 864bf21cd93STycho Nightingale int 865bf21cd93STycho Nightingale vm_ioapic_pincount(struct vmctx *ctx, int *pincount) 866bf21cd93STycho Nightingale { 867bf21cd93STycho Nightingale 868bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_IOAPIC_PINCOUNT, pincount)); 869bf21cd93STycho Nightingale } 870bf21cd93STycho Nightingale 871bf21cd93STycho Nightingale int 872bf21cd93STycho Nightingale vm_isa_assert_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq) 873bf21cd93STycho Nightingale { 874bf21cd93STycho Nightingale struct vm_isa_irq isa_irq; 875bf21cd93STycho Nightingale 876bf21cd93STycho Nightingale bzero(&isa_irq, sizeof(struct vm_isa_irq)); 877bf21cd93STycho Nightingale isa_irq.atpic_irq = atpic_irq; 878bf21cd93STycho Nightingale isa_irq.ioapic_irq = ioapic_irq; 879bf21cd93STycho Nightingale 880bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_ISA_ASSERT_IRQ, &isa_irq)); 881bf21cd93STycho Nightingale } 882bf21cd93STycho Nightingale 883bf21cd93STycho Nightingale int 884bf21cd93STycho Nightingale vm_isa_deassert_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq) 885bf21cd93STycho Nightingale { 886bf21cd93STycho Nightingale struct vm_isa_irq isa_irq; 887bf21cd93STycho Nightingale 888bf21cd93STycho Nightingale bzero(&isa_irq, sizeof(struct vm_isa_irq)); 889bf21cd93STycho Nightingale isa_irq.atpic_irq = atpic_irq; 890bf21cd93STycho Nightingale isa_irq.ioapic_irq = ioapic_irq; 891bf21cd93STycho Nightingale 892bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_ISA_DEASSERT_IRQ, &isa_irq)); 893bf21cd93STycho Nightingale } 894bf21cd93STycho Nightingale 895bf21cd93STycho Nightingale int 896bf21cd93STycho Nightingale vm_isa_pulse_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq) 897bf21cd93STycho Nightingale { 898bf21cd93STycho Nightingale struct vm_isa_irq isa_irq; 899bf21cd93STycho Nightingale 900bf21cd93STycho Nightingale bzero(&isa_irq, sizeof(struct vm_isa_irq)); 901bf21cd93STycho Nightingale isa_irq.atpic_irq = atpic_irq; 902bf21cd93STycho Nightingale isa_irq.ioapic_irq = ioapic_irq; 903bf21cd93STycho Nightingale 904bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_ISA_PULSE_IRQ, &isa_irq)); 905bf21cd93STycho Nightingale } 906bf21cd93STycho Nightingale 907bf21cd93STycho Nightingale int 908bf21cd93STycho Nightingale vm_isa_set_irq_trigger(struct vmctx *ctx, int atpic_irq, 909bf21cd93STycho Nightingale enum vm_intr_trigger trigger) 910bf21cd93STycho Nightingale { 911bf21cd93STycho Nightingale struct vm_isa_irq_trigger isa_irq_trigger; 912bf21cd93STycho Nightingale 913bf21cd93STycho Nightingale bzero(&isa_irq_trigger, sizeof(struct vm_isa_irq_trigger)); 914bf21cd93STycho Nightingale isa_irq_trigger.atpic_irq = atpic_irq; 915bf21cd93STycho Nightingale isa_irq_trigger.trigger = trigger; 916bf21cd93STycho Nightingale 917bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_ISA_SET_IRQ_TRIGGER, &isa_irq_trigger)); 918bf21cd93STycho Nightingale } 919bf21cd93STycho Nightingale 920bf21cd93STycho Nightingale int 921bf21cd93STycho Nightingale vm_inject_nmi(struct vmctx *ctx, int vcpu) 922bf21cd93STycho Nightingale { 923bf21cd93STycho Nightingale struct vm_nmi vmnmi; 924bf21cd93STycho Nightingale 925bf21cd93STycho Nightingale bzero(&vmnmi, sizeof(vmnmi)); 926bf21cd93STycho Nightingale vmnmi.cpuid = vcpu; 927bf21cd93STycho Nightingale 928bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_INJECT_NMI, &vmnmi)); 929bf21cd93STycho Nightingale } 930bf21cd93STycho Nightingale 931bf21cd93STycho Nightingale static struct { 932bf21cd93STycho Nightingale const char *name; 933bf21cd93STycho Nightingale int type; 934bf21cd93STycho Nightingale } capstrmap[] = { 935bf21cd93STycho Nightingale { "hlt_exit", VM_CAP_HALT_EXIT }, 936bf21cd93STycho Nightingale { "mtrap_exit", VM_CAP_MTRAP_EXIT }, 937bf21cd93STycho Nightingale { "pause_exit", VM_CAP_PAUSE_EXIT }, 938bf21cd93STycho Nightingale { "unrestricted_guest", VM_CAP_UNRESTRICTED_GUEST }, 939bf21cd93STycho Nightingale { "enable_invpcid", VM_CAP_ENABLE_INVPCID }, 940bf21cd93STycho Nightingale { 0 } 941bf21cd93STycho Nightingale }; 942bf21cd93STycho Nightingale 943bf21cd93STycho Nightingale int 944bf21cd93STycho Nightingale vm_capability_name2type(const char *capname) 945bf21cd93STycho Nightingale { 946bf21cd93STycho Nightingale int i; 947bf21cd93STycho Nightingale 948bf21cd93STycho Nightingale for (i = 0; capstrmap[i].name != NULL && capname != NULL; i++) { 949bf21cd93STycho Nightingale if (strcmp(capstrmap[i].name, capname) == 0) 950bf21cd93STycho Nightingale return (capstrmap[i].type); 951bf21cd93STycho Nightingale } 952bf21cd93STycho Nightingale 953bf21cd93STycho Nightingale return (-1); 954bf21cd93STycho Nightingale } 955bf21cd93STycho Nightingale 956bf21cd93STycho Nightingale const char * 957bf21cd93STycho Nightingale vm_capability_type2name(int type) 958bf21cd93STycho Nightingale { 959bf21cd93STycho Nightingale int i; 960bf21cd93STycho Nightingale 961bf21cd93STycho Nightingale for (i = 0; capstrmap[i].name != NULL; i++) { 962bf21cd93STycho Nightingale if (capstrmap[i].type == type) 963bf21cd93STycho Nightingale return (capstrmap[i].name); 964bf21cd93STycho Nightingale } 965bf21cd93STycho Nightingale 966bf21cd93STycho Nightingale return (NULL); 967bf21cd93STycho Nightingale } 968bf21cd93STycho Nightingale 969bf21cd93STycho Nightingale int 970bf21cd93STycho Nightingale vm_get_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap, 971bf21cd93STycho Nightingale int *retval) 972bf21cd93STycho Nightingale { 973bf21cd93STycho Nightingale int error; 974bf21cd93STycho Nightingale struct vm_capability vmcap; 975bf21cd93STycho Nightingale 976bf21cd93STycho Nightingale bzero(&vmcap, sizeof(vmcap)); 977bf21cd93STycho Nightingale vmcap.cpuid = vcpu; 978bf21cd93STycho Nightingale vmcap.captype = cap; 979bf21cd93STycho Nightingale 980bf21cd93STycho Nightingale error = ioctl(ctx->fd, VM_GET_CAPABILITY, &vmcap); 981bf21cd93STycho Nightingale *retval = vmcap.capval; 982bf21cd93STycho Nightingale return (error); 983bf21cd93STycho Nightingale } 984bf21cd93STycho Nightingale 985bf21cd93STycho Nightingale int 986bf21cd93STycho Nightingale vm_set_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap, int val) 987bf21cd93STycho Nightingale { 988bf21cd93STycho Nightingale struct vm_capability vmcap; 989bf21cd93STycho Nightingale 990bf21cd93STycho Nightingale bzero(&vmcap, sizeof(vmcap)); 991bf21cd93STycho Nightingale vmcap.cpuid = vcpu; 992bf21cd93STycho Nightingale vmcap.captype = cap; 993bf21cd93STycho Nightingale vmcap.capval = val; 994*4c87aefeSPatrick Mooney 995bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_SET_CAPABILITY, &vmcap)); 996bf21cd93STycho Nightingale } 997bf21cd93STycho Nightingale 998bf21cd93STycho Nightingale int 999bf21cd93STycho Nightingale vm_assign_pptdev(struct vmctx *ctx, int bus, int slot, int func) 1000bf21cd93STycho Nightingale { 1001bf21cd93STycho Nightingale struct vm_pptdev pptdev; 1002bf21cd93STycho Nightingale 1003bf21cd93STycho Nightingale bzero(&pptdev, sizeof(pptdev)); 1004bf21cd93STycho Nightingale pptdev.bus = bus; 1005bf21cd93STycho Nightingale pptdev.slot = slot; 1006bf21cd93STycho Nightingale pptdev.func = func; 1007bf21cd93STycho Nightingale 1008bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_BIND_PPTDEV, &pptdev)); 1009bf21cd93STycho Nightingale } 1010bf21cd93STycho Nightingale 1011bf21cd93STycho Nightingale int 1012bf21cd93STycho Nightingale vm_unassign_pptdev(struct vmctx *ctx, int bus, int slot, int func) 1013bf21cd93STycho Nightingale { 1014bf21cd93STycho Nightingale struct vm_pptdev pptdev; 1015bf21cd93STycho Nightingale 1016bf21cd93STycho Nightingale bzero(&pptdev, sizeof(pptdev)); 1017bf21cd93STycho Nightingale pptdev.bus = bus; 1018bf21cd93STycho Nightingale pptdev.slot = slot; 1019bf21cd93STycho Nightingale pptdev.func = func; 1020bf21cd93STycho Nightingale 1021bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_UNBIND_PPTDEV, &pptdev)); 1022bf21cd93STycho Nightingale } 1023bf21cd93STycho Nightingale 1024bf21cd93STycho Nightingale int 1025bf21cd93STycho Nightingale vm_map_pptdev_mmio(struct vmctx *ctx, int bus, int slot, int func, 1026bf21cd93STycho Nightingale vm_paddr_t gpa, size_t len, vm_paddr_t hpa) 1027bf21cd93STycho Nightingale { 1028bf21cd93STycho Nightingale struct vm_pptdev_mmio pptmmio; 1029bf21cd93STycho Nightingale 1030bf21cd93STycho Nightingale bzero(&pptmmio, sizeof(pptmmio)); 1031bf21cd93STycho Nightingale pptmmio.bus = bus; 1032bf21cd93STycho Nightingale pptmmio.slot = slot; 1033bf21cd93STycho Nightingale pptmmio.func = func; 1034bf21cd93STycho Nightingale pptmmio.gpa = gpa; 1035bf21cd93STycho Nightingale pptmmio.len = len; 1036bf21cd93STycho Nightingale pptmmio.hpa = hpa; 1037bf21cd93STycho Nightingale 1038bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_MAP_PPTDEV_MMIO, &pptmmio)); 1039bf21cd93STycho Nightingale } 1040bf21cd93STycho Nightingale 1041bf21cd93STycho Nightingale int 1042bf21cd93STycho Nightingale vm_setup_pptdev_msi(struct vmctx *ctx, int vcpu, int bus, int slot, int func, 1043bf21cd93STycho Nightingale uint64_t addr, uint64_t msg, int numvec) 1044bf21cd93STycho Nightingale { 1045bf21cd93STycho Nightingale struct vm_pptdev_msi pptmsi; 1046bf21cd93STycho Nightingale 1047bf21cd93STycho Nightingale bzero(&pptmsi, sizeof(pptmsi)); 1048bf21cd93STycho Nightingale pptmsi.vcpu = vcpu; 1049bf21cd93STycho Nightingale pptmsi.bus = bus; 1050bf21cd93STycho Nightingale pptmsi.slot = slot; 1051bf21cd93STycho Nightingale pptmsi.func = func; 1052bf21cd93STycho Nightingale pptmsi.msg = msg; 1053bf21cd93STycho Nightingale pptmsi.addr = addr; 1054bf21cd93STycho Nightingale pptmsi.numvec = numvec; 1055bf21cd93STycho Nightingale 1056bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_PPTDEV_MSI, &pptmsi)); 1057bf21cd93STycho Nightingale } 1058bf21cd93STycho Nightingale 1059bf21cd93STycho Nightingale int 1060bf21cd93STycho Nightingale vm_setup_pptdev_msix(struct vmctx *ctx, int vcpu, int bus, int slot, int func, 1061bf21cd93STycho Nightingale int idx, uint64_t addr, uint64_t msg, uint32_t vector_control) 1062bf21cd93STycho Nightingale { 1063bf21cd93STycho Nightingale struct vm_pptdev_msix pptmsix; 1064bf21cd93STycho Nightingale 1065bf21cd93STycho Nightingale bzero(&pptmsix, sizeof(pptmsix)); 1066bf21cd93STycho Nightingale pptmsix.vcpu = vcpu; 1067bf21cd93STycho Nightingale pptmsix.bus = bus; 1068bf21cd93STycho Nightingale pptmsix.slot = slot; 1069bf21cd93STycho Nightingale pptmsix.func = func; 1070bf21cd93STycho Nightingale pptmsix.idx = idx; 1071bf21cd93STycho Nightingale pptmsix.msg = msg; 1072bf21cd93STycho Nightingale pptmsix.addr = addr; 1073bf21cd93STycho Nightingale pptmsix.vector_control = vector_control; 1074bf21cd93STycho Nightingale 1075bf21cd93STycho Nightingale return ioctl(ctx->fd, VM_PPTDEV_MSIX, &pptmsix); 1076bf21cd93STycho Nightingale } 1077bf21cd93STycho Nightingale 1078bf21cd93STycho Nightingale uint64_t * 1079bf21cd93STycho Nightingale vm_get_stats(struct vmctx *ctx, int vcpu, struct timeval *ret_tv, 1080bf21cd93STycho Nightingale int *ret_entries) 1081bf21cd93STycho Nightingale { 1082bf21cd93STycho Nightingale int error; 1083bf21cd93STycho Nightingale 1084bf21cd93STycho Nightingale static struct vm_stats vmstats; 1085bf21cd93STycho Nightingale 1086bf21cd93STycho Nightingale vmstats.cpuid = vcpu; 1087bf21cd93STycho Nightingale 1088*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_STATS_IOC, &vmstats); 1089bf21cd93STycho Nightingale if (error == 0) { 1090bf21cd93STycho Nightingale if (ret_entries) 1091bf21cd93STycho Nightingale *ret_entries = vmstats.num_entries; 1092bf21cd93STycho Nightingale if (ret_tv) 1093bf21cd93STycho Nightingale *ret_tv = vmstats.tv; 1094bf21cd93STycho Nightingale return (vmstats.statbuf); 1095bf21cd93STycho Nightingale } else 1096bf21cd93STycho Nightingale return (NULL); 1097bf21cd93STycho Nightingale } 1098bf21cd93STycho Nightingale 1099bf21cd93STycho Nightingale const char * 1100bf21cd93STycho Nightingale vm_get_stat_desc(struct vmctx *ctx, int index) 1101bf21cd93STycho Nightingale { 1102bf21cd93STycho Nightingale static struct vm_stat_desc statdesc; 1103bf21cd93STycho Nightingale 1104bf21cd93STycho Nightingale statdesc.index = index; 1105bf21cd93STycho Nightingale if (ioctl(ctx->fd, VM_STAT_DESC, &statdesc) == 0) 1106bf21cd93STycho Nightingale return (statdesc.desc); 1107bf21cd93STycho Nightingale else 1108bf21cd93STycho Nightingale return (NULL); 1109bf21cd93STycho Nightingale } 1110bf21cd93STycho Nightingale 1111bf21cd93STycho Nightingale int 1112bf21cd93STycho Nightingale vm_get_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state *state) 1113bf21cd93STycho Nightingale { 1114bf21cd93STycho Nightingale int error; 1115bf21cd93STycho Nightingale struct vm_x2apic x2apic; 1116bf21cd93STycho Nightingale 1117bf21cd93STycho Nightingale bzero(&x2apic, sizeof(x2apic)); 1118bf21cd93STycho Nightingale x2apic.cpuid = vcpu; 1119bf21cd93STycho Nightingale 1120bf21cd93STycho Nightingale error = ioctl(ctx->fd, VM_GET_X2APIC_STATE, &x2apic); 1121bf21cd93STycho Nightingale *state = x2apic.state; 1122bf21cd93STycho Nightingale return (error); 1123bf21cd93STycho Nightingale } 1124bf21cd93STycho Nightingale 1125bf21cd93STycho Nightingale int 1126bf21cd93STycho Nightingale vm_set_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state state) 1127bf21cd93STycho Nightingale { 1128bf21cd93STycho Nightingale int error; 1129bf21cd93STycho Nightingale struct vm_x2apic x2apic; 1130bf21cd93STycho Nightingale 1131bf21cd93STycho Nightingale bzero(&x2apic, sizeof(x2apic)); 1132bf21cd93STycho Nightingale x2apic.cpuid = vcpu; 1133bf21cd93STycho Nightingale x2apic.state = state; 1134bf21cd93STycho Nightingale 1135bf21cd93STycho Nightingale error = ioctl(ctx->fd, VM_SET_X2APIC_STATE, &x2apic); 1136bf21cd93STycho Nightingale 1137bf21cd93STycho Nightingale return (error); 1138bf21cd93STycho Nightingale } 1139bf21cd93STycho Nightingale 1140bf21cd93STycho Nightingale /* 1141bf21cd93STycho Nightingale * From Intel Vol 3a: 1142bf21cd93STycho Nightingale * Table 9-1. IA-32 Processor States Following Power-up, Reset or INIT 1143bf21cd93STycho Nightingale */ 1144bf21cd93STycho Nightingale int 1145bf21cd93STycho Nightingale vcpu_reset(struct vmctx *vmctx, int vcpu) 1146bf21cd93STycho Nightingale { 1147bf21cd93STycho Nightingale int error; 1148bf21cd93STycho Nightingale uint64_t rflags, rip, cr0, cr4, zero, desc_base, rdx; 1149bf21cd93STycho Nightingale uint32_t desc_access, desc_limit; 1150bf21cd93STycho Nightingale uint16_t sel; 1151bf21cd93STycho Nightingale 1152bf21cd93STycho Nightingale zero = 0; 1153bf21cd93STycho Nightingale 1154bf21cd93STycho Nightingale rflags = 0x2; 1155bf21cd93STycho Nightingale error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RFLAGS, rflags); 1156bf21cd93STycho Nightingale if (error) 1157bf21cd93STycho Nightingale goto done; 1158bf21cd93STycho Nightingale 1159bf21cd93STycho Nightingale rip = 0xfff0; 1160bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RIP, rip)) != 0) 1161bf21cd93STycho Nightingale goto done; 1162bf21cd93STycho Nightingale 1163bf21cd93STycho Nightingale cr0 = CR0_NE; 1164bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_CR0, cr0)) != 0) 1165bf21cd93STycho Nightingale goto done; 1166bf21cd93STycho Nightingale 1167bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_CR3, zero)) != 0) 1168bf21cd93STycho Nightingale goto done; 1169bf21cd93STycho Nightingale 1170bf21cd93STycho Nightingale cr4 = 0; 1171bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_CR4, cr4)) != 0) 1172bf21cd93STycho Nightingale goto done; 1173bf21cd93STycho Nightingale 1174bf21cd93STycho Nightingale /* 1175bf21cd93STycho Nightingale * CS: present, r/w, accessed, 16-bit, byte granularity, usable 1176bf21cd93STycho Nightingale */ 1177bf21cd93STycho Nightingale desc_base = 0xffff0000; 1178bf21cd93STycho Nightingale desc_limit = 0xffff; 1179bf21cd93STycho Nightingale desc_access = 0x0093; 1180bf21cd93STycho Nightingale error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_CS, 1181bf21cd93STycho Nightingale desc_base, desc_limit, desc_access); 1182bf21cd93STycho Nightingale if (error) 1183bf21cd93STycho Nightingale goto done; 1184bf21cd93STycho Nightingale 1185bf21cd93STycho Nightingale sel = 0xf000; 1186bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_CS, sel)) != 0) 1187bf21cd93STycho Nightingale goto done; 1188bf21cd93STycho Nightingale 1189bf21cd93STycho Nightingale /* 1190bf21cd93STycho Nightingale * SS,DS,ES,FS,GS: present, r/w, accessed, 16-bit, byte granularity 1191bf21cd93STycho Nightingale */ 1192bf21cd93STycho Nightingale desc_base = 0; 1193bf21cd93STycho Nightingale desc_limit = 0xffff; 1194bf21cd93STycho Nightingale desc_access = 0x0093; 1195bf21cd93STycho Nightingale error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_SS, 1196bf21cd93STycho Nightingale desc_base, desc_limit, desc_access); 1197bf21cd93STycho Nightingale if (error) 1198bf21cd93STycho Nightingale goto done; 1199bf21cd93STycho Nightingale 1200bf21cd93STycho Nightingale error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_DS, 1201bf21cd93STycho Nightingale desc_base, desc_limit, desc_access); 1202bf21cd93STycho Nightingale if (error) 1203bf21cd93STycho Nightingale goto done; 1204bf21cd93STycho Nightingale 1205bf21cd93STycho Nightingale error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_ES, 1206bf21cd93STycho Nightingale desc_base, desc_limit, desc_access); 1207bf21cd93STycho Nightingale if (error) 1208bf21cd93STycho Nightingale goto done; 1209bf21cd93STycho Nightingale 1210bf21cd93STycho Nightingale error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_FS, 1211bf21cd93STycho Nightingale desc_base, desc_limit, desc_access); 1212bf21cd93STycho Nightingale if (error) 1213bf21cd93STycho Nightingale goto done; 1214bf21cd93STycho Nightingale 1215bf21cd93STycho Nightingale error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_GS, 1216bf21cd93STycho Nightingale desc_base, desc_limit, desc_access); 1217bf21cd93STycho Nightingale if (error) 1218bf21cd93STycho Nightingale goto done; 1219bf21cd93STycho Nightingale 1220bf21cd93STycho Nightingale sel = 0; 1221bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_SS, sel)) != 0) 1222bf21cd93STycho Nightingale goto done; 1223bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_DS, sel)) != 0) 1224bf21cd93STycho Nightingale goto done; 1225bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_ES, sel)) != 0) 1226bf21cd93STycho Nightingale goto done; 1227bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_FS, sel)) != 0) 1228bf21cd93STycho Nightingale goto done; 1229bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_GS, sel)) != 0) 1230bf21cd93STycho Nightingale goto done; 1231bf21cd93STycho Nightingale 1232bf21cd93STycho Nightingale /* General purpose registers */ 1233bf21cd93STycho Nightingale rdx = 0xf00; 1234bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RAX, zero)) != 0) 1235bf21cd93STycho Nightingale goto done; 1236bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RBX, zero)) != 0) 1237bf21cd93STycho Nightingale goto done; 1238bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RCX, zero)) != 0) 1239bf21cd93STycho Nightingale goto done; 1240bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RDX, rdx)) != 0) 1241bf21cd93STycho Nightingale goto done; 1242bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RSI, zero)) != 0) 1243bf21cd93STycho Nightingale goto done; 1244bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RDI, zero)) != 0) 1245bf21cd93STycho Nightingale goto done; 1246bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RBP, zero)) != 0) 1247bf21cd93STycho Nightingale goto done; 1248bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_RSP, zero)) != 0) 1249bf21cd93STycho Nightingale goto done; 1250bf21cd93STycho Nightingale 1251bf21cd93STycho Nightingale /* GDTR, IDTR */ 1252bf21cd93STycho Nightingale desc_base = 0; 1253bf21cd93STycho Nightingale desc_limit = 0xffff; 1254bf21cd93STycho Nightingale desc_access = 0; 1255bf21cd93STycho Nightingale error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_GDTR, 1256bf21cd93STycho Nightingale desc_base, desc_limit, desc_access); 1257bf21cd93STycho Nightingale if (error != 0) 1258bf21cd93STycho Nightingale goto done; 1259bf21cd93STycho Nightingale 1260bf21cd93STycho Nightingale error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_IDTR, 1261bf21cd93STycho Nightingale desc_base, desc_limit, desc_access); 1262bf21cd93STycho Nightingale if (error != 0) 1263bf21cd93STycho Nightingale goto done; 1264bf21cd93STycho Nightingale 1265bf21cd93STycho Nightingale /* TR */ 1266bf21cd93STycho Nightingale desc_base = 0; 1267bf21cd93STycho Nightingale desc_limit = 0xffff; 1268bf21cd93STycho Nightingale desc_access = 0x0000008b; 1269bf21cd93STycho Nightingale error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_TR, 0, 0, desc_access); 1270bf21cd93STycho Nightingale if (error) 1271bf21cd93STycho Nightingale goto done; 1272bf21cd93STycho Nightingale 1273bf21cd93STycho Nightingale sel = 0; 1274bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_TR, sel)) != 0) 1275bf21cd93STycho Nightingale goto done; 1276bf21cd93STycho Nightingale 1277bf21cd93STycho Nightingale /* LDTR */ 1278bf21cd93STycho Nightingale desc_base = 0; 1279bf21cd93STycho Nightingale desc_limit = 0xffff; 1280bf21cd93STycho Nightingale desc_access = 0x00000082; 1281bf21cd93STycho Nightingale error = vm_set_desc(vmctx, vcpu, VM_REG_GUEST_LDTR, desc_base, 1282bf21cd93STycho Nightingale desc_limit, desc_access); 1283bf21cd93STycho Nightingale if (error) 1284bf21cd93STycho Nightingale goto done; 1285bf21cd93STycho Nightingale 1286bf21cd93STycho Nightingale sel = 0; 1287bf21cd93STycho Nightingale if ((error = vm_set_register(vmctx, vcpu, VM_REG_GUEST_LDTR, 0)) != 0) 1288bf21cd93STycho Nightingale goto done; 1289bf21cd93STycho Nightingale 1290bf21cd93STycho Nightingale /* XXX cr2, debug registers */ 1291bf21cd93STycho Nightingale 1292bf21cd93STycho Nightingale error = 0; 1293bf21cd93STycho Nightingale done: 1294bf21cd93STycho Nightingale return (error); 1295bf21cd93STycho Nightingale } 1296bf21cd93STycho Nightingale 1297bf21cd93STycho Nightingale int 1298bf21cd93STycho Nightingale vm_get_gpa_pmap(struct vmctx *ctx, uint64_t gpa, uint64_t *pte, int *num) 1299bf21cd93STycho Nightingale { 1300bf21cd93STycho Nightingale int error, i; 1301bf21cd93STycho Nightingale struct vm_gpa_pte gpapte; 1302bf21cd93STycho Nightingale 1303bf21cd93STycho Nightingale bzero(&gpapte, sizeof(gpapte)); 1304bf21cd93STycho Nightingale gpapte.gpa = gpa; 1305bf21cd93STycho Nightingale 1306bf21cd93STycho Nightingale error = ioctl(ctx->fd, VM_GET_GPA_PMAP, &gpapte); 1307bf21cd93STycho Nightingale 1308bf21cd93STycho Nightingale if (error == 0) { 1309bf21cd93STycho Nightingale *num = gpapte.ptenum; 1310bf21cd93STycho Nightingale for (i = 0; i < gpapte.ptenum; i++) 1311bf21cd93STycho Nightingale pte[i] = gpapte.pte[i]; 1312bf21cd93STycho Nightingale } 1313bf21cd93STycho Nightingale 1314bf21cd93STycho Nightingale return (error); 1315bf21cd93STycho Nightingale } 1316bf21cd93STycho Nightingale 1317bf21cd93STycho Nightingale int 1318bf21cd93STycho Nightingale vm_get_hpet_capabilities(struct vmctx *ctx, uint32_t *capabilities) 1319bf21cd93STycho Nightingale { 1320bf21cd93STycho Nightingale int error; 1321bf21cd93STycho Nightingale struct vm_hpet_cap cap; 1322bf21cd93STycho Nightingale 1323bf21cd93STycho Nightingale bzero(&cap, sizeof(struct vm_hpet_cap)); 1324bf21cd93STycho Nightingale error = ioctl(ctx->fd, VM_GET_HPET_CAPABILITIES, &cap); 1325bf21cd93STycho Nightingale if (capabilities != NULL) 1326bf21cd93STycho Nightingale *capabilities = cap.capabilities; 1327bf21cd93STycho Nightingale return (error); 1328bf21cd93STycho Nightingale } 1329bf21cd93STycho Nightingale 1330*4c87aefeSPatrick Mooney int 1331*4c87aefeSPatrick Mooney vm_gla2gpa(struct vmctx *ctx, int vcpu, struct vm_guest_paging *paging, 1332*4c87aefeSPatrick Mooney uint64_t gla, int prot, uint64_t *gpa, int *fault) 1333bf21cd93STycho Nightingale { 1334bf21cd93STycho Nightingale struct vm_gla2gpa gg; 1335bf21cd93STycho Nightingale int error; 1336bf21cd93STycho Nightingale 1337bf21cd93STycho Nightingale bzero(&gg, sizeof(struct vm_gla2gpa)); 1338bf21cd93STycho Nightingale gg.vcpuid = vcpu; 1339bf21cd93STycho Nightingale gg.prot = prot; 1340bf21cd93STycho Nightingale gg.gla = gla; 1341bf21cd93STycho Nightingale gg.paging = *paging; 1342bf21cd93STycho Nightingale 1343bf21cd93STycho Nightingale error = ioctl(ctx->fd, VM_GLA2GPA, &gg); 1344bf21cd93STycho Nightingale if (error == 0) { 1345bf21cd93STycho Nightingale *fault = gg.fault; 1346bf21cd93STycho Nightingale *gpa = gg.gpa; 1347bf21cd93STycho Nightingale } 1348bf21cd93STycho Nightingale return (error); 1349bf21cd93STycho Nightingale } 1350bf21cd93STycho Nightingale 1351bf21cd93STycho Nightingale int 1352*4c87aefeSPatrick Mooney vm_gla2gpa_nofault(struct vmctx *ctx, int vcpu, struct vm_guest_paging *paging, 1353*4c87aefeSPatrick Mooney uint64_t gla, int prot, uint64_t *gpa, int *fault) 1354bf21cd93STycho Nightingale { 1355*4c87aefeSPatrick Mooney struct vm_gla2gpa gg; 1356*4c87aefeSPatrick Mooney int error; 1357*4c87aefeSPatrick Mooney 1358*4c87aefeSPatrick Mooney bzero(&gg, sizeof(struct vm_gla2gpa)); 1359*4c87aefeSPatrick Mooney gg.vcpuid = vcpu; 1360*4c87aefeSPatrick Mooney gg.prot = prot; 1361*4c87aefeSPatrick Mooney gg.gla = gla; 1362*4c87aefeSPatrick Mooney gg.paging = *paging; 1363bf21cd93STycho Nightingale 1364*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_GLA2GPA_NOFAULT, &gg); 1365*4c87aefeSPatrick Mooney if (error == 0) { 1366*4c87aefeSPatrick Mooney *fault = gg.fault; 1367*4c87aefeSPatrick Mooney *gpa = gg.gpa; 1368*4c87aefeSPatrick Mooney } 1369bf21cd93STycho Nightingale return (error); 1370bf21cd93STycho Nightingale } 1371bf21cd93STycho Nightingale 1372bf21cd93STycho Nightingale #ifndef min 1373bf21cd93STycho Nightingale #define min(a,b) (((a) < (b)) ? (a) : (b)) 1374bf21cd93STycho Nightingale #endif 1375bf21cd93STycho Nightingale 1376bf21cd93STycho Nightingale int 1377bf21cd93STycho Nightingale vm_copy_setup(struct vmctx *ctx, int vcpu, struct vm_guest_paging *paging, 1378*4c87aefeSPatrick Mooney uint64_t gla, size_t len, int prot, struct iovec *iov, int iovcnt, 1379*4c87aefeSPatrick Mooney int *fault) 1380bf21cd93STycho Nightingale { 1381bf21cd93STycho Nightingale void *va; 1382bf21cd93STycho Nightingale uint64_t gpa; 1383*4c87aefeSPatrick Mooney int error, i, n, off; 1384bf21cd93STycho Nightingale 1385bf21cd93STycho Nightingale for (i = 0; i < iovcnt; i++) { 1386bf21cd93STycho Nightingale iov[i].iov_base = 0; 1387bf21cd93STycho Nightingale iov[i].iov_len = 0; 1388bf21cd93STycho Nightingale } 1389bf21cd93STycho Nightingale 1390bf21cd93STycho Nightingale while (len) { 1391bf21cd93STycho Nightingale assert(iovcnt > 0); 1392*4c87aefeSPatrick Mooney error = vm_gla2gpa(ctx, vcpu, paging, gla, prot, &gpa, fault); 1393*4c87aefeSPatrick Mooney if (error || *fault) 1394*4c87aefeSPatrick Mooney return (error); 1395bf21cd93STycho Nightingale 1396bf21cd93STycho Nightingale off = gpa & PAGE_MASK; 1397bf21cd93STycho Nightingale n = min(len, PAGE_SIZE - off); 1398bf21cd93STycho Nightingale 1399bf21cd93STycho Nightingale va = vm_map_gpa(ctx, gpa, n); 1400bf21cd93STycho Nightingale if (va == NULL) 1401*4c87aefeSPatrick Mooney return (EFAULT); 1402bf21cd93STycho Nightingale 1403bf21cd93STycho Nightingale iov->iov_base = va; 1404bf21cd93STycho Nightingale iov->iov_len = n; 1405bf21cd93STycho Nightingale iov++; 1406bf21cd93STycho Nightingale iovcnt--; 1407bf21cd93STycho Nightingale 1408bf21cd93STycho Nightingale gla += n; 1409bf21cd93STycho Nightingale len -= n; 1410bf21cd93STycho Nightingale } 1411bf21cd93STycho Nightingale return (0); 1412bf21cd93STycho Nightingale } 1413bf21cd93STycho Nightingale 1414bf21cd93STycho Nightingale void 1415bf21cd93STycho Nightingale vm_copy_teardown(struct vmctx *ctx, int vcpu, struct iovec *iov, int iovcnt) 1416bf21cd93STycho Nightingale { 1417bf21cd93STycho Nightingale 1418bf21cd93STycho Nightingale return; 1419bf21cd93STycho Nightingale } 1420bf21cd93STycho Nightingale 1421bf21cd93STycho Nightingale void 1422bf21cd93STycho Nightingale vm_copyin(struct vmctx *ctx, int vcpu, struct iovec *iov, void *vp, size_t len) 1423bf21cd93STycho Nightingale { 1424bf21cd93STycho Nightingale const char *src; 1425bf21cd93STycho Nightingale char *dst; 1426bf21cd93STycho Nightingale size_t n; 1427bf21cd93STycho Nightingale 1428bf21cd93STycho Nightingale dst = vp; 1429bf21cd93STycho Nightingale while (len) { 1430bf21cd93STycho Nightingale assert(iov->iov_len); 1431bf21cd93STycho Nightingale n = min(len, iov->iov_len); 1432bf21cd93STycho Nightingale src = iov->iov_base; 1433bf21cd93STycho Nightingale bcopy(src, dst, n); 1434bf21cd93STycho Nightingale 1435bf21cd93STycho Nightingale iov++; 1436bf21cd93STycho Nightingale dst += n; 1437bf21cd93STycho Nightingale len -= n; 1438bf21cd93STycho Nightingale } 1439bf21cd93STycho Nightingale } 1440bf21cd93STycho Nightingale 1441bf21cd93STycho Nightingale void 1442bf21cd93STycho Nightingale vm_copyout(struct vmctx *ctx, int vcpu, const void *vp, struct iovec *iov, 1443bf21cd93STycho Nightingale size_t len) 1444bf21cd93STycho Nightingale { 1445bf21cd93STycho Nightingale const char *src; 1446bf21cd93STycho Nightingale char *dst; 1447bf21cd93STycho Nightingale size_t n; 1448bf21cd93STycho Nightingale 1449bf21cd93STycho Nightingale src = vp; 1450bf21cd93STycho Nightingale while (len) { 1451bf21cd93STycho Nightingale assert(iov->iov_len); 1452bf21cd93STycho Nightingale n = min(len, iov->iov_len); 1453bf21cd93STycho Nightingale dst = iov->iov_base; 1454bf21cd93STycho Nightingale bcopy(src, dst, n); 1455bf21cd93STycho Nightingale 1456bf21cd93STycho Nightingale iov++; 1457bf21cd93STycho Nightingale src += n; 1458bf21cd93STycho Nightingale len -= n; 1459bf21cd93STycho Nightingale } 1460bf21cd93STycho Nightingale } 1461bf21cd93STycho Nightingale 1462*4c87aefeSPatrick Mooney static int 1463*4c87aefeSPatrick Mooney vm_get_cpus(struct vmctx *ctx, int which, cpuset_t *cpus) 1464*4c87aefeSPatrick Mooney { 1465*4c87aefeSPatrick Mooney struct vm_cpuset vm_cpuset; 1466*4c87aefeSPatrick Mooney int error; 1467*4c87aefeSPatrick Mooney 1468*4c87aefeSPatrick Mooney bzero(&vm_cpuset, sizeof(struct vm_cpuset)); 1469*4c87aefeSPatrick Mooney vm_cpuset.which = which; 1470*4c87aefeSPatrick Mooney vm_cpuset.cpusetsize = sizeof(cpuset_t); 1471*4c87aefeSPatrick Mooney vm_cpuset.cpus = cpus; 1472*4c87aefeSPatrick Mooney 1473*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_GET_CPUS, &vm_cpuset); 1474*4c87aefeSPatrick Mooney return (error); 1475*4c87aefeSPatrick Mooney } 1476*4c87aefeSPatrick Mooney 1477*4c87aefeSPatrick Mooney int 1478*4c87aefeSPatrick Mooney vm_active_cpus(struct vmctx *ctx, cpuset_t *cpus) 1479*4c87aefeSPatrick Mooney { 1480*4c87aefeSPatrick Mooney 1481*4c87aefeSPatrick Mooney return (vm_get_cpus(ctx, VM_ACTIVE_CPUS, cpus)); 1482*4c87aefeSPatrick Mooney } 1483*4c87aefeSPatrick Mooney 1484*4c87aefeSPatrick Mooney int 1485*4c87aefeSPatrick Mooney vm_suspended_cpus(struct vmctx *ctx, cpuset_t *cpus) 1486*4c87aefeSPatrick Mooney { 1487*4c87aefeSPatrick Mooney 1488*4c87aefeSPatrick Mooney return (vm_get_cpus(ctx, VM_SUSPENDED_CPUS, cpus)); 1489*4c87aefeSPatrick Mooney } 1490*4c87aefeSPatrick Mooney 1491*4c87aefeSPatrick Mooney int 1492*4c87aefeSPatrick Mooney vm_debug_cpus(struct vmctx *ctx, cpuset_t *cpus) 1493*4c87aefeSPatrick Mooney { 1494*4c87aefeSPatrick Mooney 1495*4c87aefeSPatrick Mooney return (vm_get_cpus(ctx, VM_DEBUG_CPUS, cpus)); 1496*4c87aefeSPatrick Mooney } 1497*4c87aefeSPatrick Mooney 1498bf21cd93STycho Nightingale int 1499bf21cd93STycho Nightingale vm_activate_cpu(struct vmctx *ctx, int vcpu) 1500bf21cd93STycho Nightingale { 1501bf21cd93STycho Nightingale struct vm_activate_cpu ac; 1502bf21cd93STycho Nightingale int error; 1503bf21cd93STycho Nightingale 1504bf21cd93STycho Nightingale bzero(&ac, sizeof(struct vm_activate_cpu)); 1505bf21cd93STycho Nightingale ac.vcpuid = vcpu; 1506bf21cd93STycho Nightingale error = ioctl(ctx->fd, VM_ACTIVATE_CPU, &ac); 1507bf21cd93STycho Nightingale return (error); 1508bf21cd93STycho Nightingale } 1509bf21cd93STycho Nightingale 1510*4c87aefeSPatrick Mooney int 1511*4c87aefeSPatrick Mooney vm_suspend_cpu(struct vmctx *ctx, int vcpu) 1512*4c87aefeSPatrick Mooney { 1513*4c87aefeSPatrick Mooney struct vm_activate_cpu ac; 1514*4c87aefeSPatrick Mooney int error; 1515*4c87aefeSPatrick Mooney 1516*4c87aefeSPatrick Mooney bzero(&ac, sizeof(struct vm_activate_cpu)); 1517*4c87aefeSPatrick Mooney ac.vcpuid = vcpu; 1518*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_SUSPEND_CPU, &ac); 1519*4c87aefeSPatrick Mooney return (error); 1520*4c87aefeSPatrick Mooney } 1521*4c87aefeSPatrick Mooney 1522*4c87aefeSPatrick Mooney int 1523*4c87aefeSPatrick Mooney vm_resume_cpu(struct vmctx *ctx, int vcpu) 1524*4c87aefeSPatrick Mooney { 1525*4c87aefeSPatrick Mooney struct vm_activate_cpu ac; 1526*4c87aefeSPatrick Mooney int error; 1527*4c87aefeSPatrick Mooney 1528*4c87aefeSPatrick Mooney bzero(&ac, sizeof(struct vm_activate_cpu)); 1529*4c87aefeSPatrick Mooney ac.vcpuid = vcpu; 1530*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_RESUME_CPU, &ac); 1531*4c87aefeSPatrick Mooney return (error); 1532*4c87aefeSPatrick Mooney } 1533*4c87aefeSPatrick Mooney 1534*4c87aefeSPatrick Mooney int 1535*4c87aefeSPatrick Mooney vm_get_intinfo(struct vmctx *ctx, int vcpu, uint64_t *info1, uint64_t *info2) 1536*4c87aefeSPatrick Mooney { 1537*4c87aefeSPatrick Mooney struct vm_intinfo vmii; 1538*4c87aefeSPatrick Mooney int error; 1539*4c87aefeSPatrick Mooney 1540*4c87aefeSPatrick Mooney bzero(&vmii, sizeof(struct vm_intinfo)); 1541*4c87aefeSPatrick Mooney vmii.vcpuid = vcpu; 1542*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_GET_INTINFO, &vmii); 1543*4c87aefeSPatrick Mooney if (error == 0) { 1544*4c87aefeSPatrick Mooney *info1 = vmii.info1; 1545*4c87aefeSPatrick Mooney *info2 = vmii.info2; 1546*4c87aefeSPatrick Mooney } 1547*4c87aefeSPatrick Mooney return (error); 1548*4c87aefeSPatrick Mooney } 1549*4c87aefeSPatrick Mooney 1550*4c87aefeSPatrick Mooney int 1551*4c87aefeSPatrick Mooney vm_set_intinfo(struct vmctx *ctx, int vcpu, uint64_t info1) 1552*4c87aefeSPatrick Mooney { 1553*4c87aefeSPatrick Mooney struct vm_intinfo vmii; 1554*4c87aefeSPatrick Mooney int error; 1555*4c87aefeSPatrick Mooney 1556*4c87aefeSPatrick Mooney bzero(&vmii, sizeof(struct vm_intinfo)); 1557*4c87aefeSPatrick Mooney vmii.vcpuid = vcpu; 1558*4c87aefeSPatrick Mooney vmii.info1 = info1; 1559*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_SET_INTINFO, &vmii); 1560*4c87aefeSPatrick Mooney return (error); 1561*4c87aefeSPatrick Mooney } 1562*4c87aefeSPatrick Mooney 1563*4c87aefeSPatrick Mooney int 1564*4c87aefeSPatrick Mooney vm_rtc_write(struct vmctx *ctx, int offset, uint8_t value) 1565*4c87aefeSPatrick Mooney { 1566*4c87aefeSPatrick Mooney struct vm_rtc_data rtcdata; 1567*4c87aefeSPatrick Mooney int error; 1568*4c87aefeSPatrick Mooney 1569*4c87aefeSPatrick Mooney bzero(&rtcdata, sizeof(struct vm_rtc_data)); 1570*4c87aefeSPatrick Mooney rtcdata.offset = offset; 1571*4c87aefeSPatrick Mooney rtcdata.value = value; 1572*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_RTC_WRITE, &rtcdata); 1573*4c87aefeSPatrick Mooney return (error); 1574*4c87aefeSPatrick Mooney } 1575*4c87aefeSPatrick Mooney 1576*4c87aefeSPatrick Mooney int 1577*4c87aefeSPatrick Mooney vm_rtc_read(struct vmctx *ctx, int offset, uint8_t *retval) 1578*4c87aefeSPatrick Mooney { 1579*4c87aefeSPatrick Mooney struct vm_rtc_data rtcdata; 1580*4c87aefeSPatrick Mooney int error; 1581*4c87aefeSPatrick Mooney 1582*4c87aefeSPatrick Mooney bzero(&rtcdata, sizeof(struct vm_rtc_data)); 1583*4c87aefeSPatrick Mooney rtcdata.offset = offset; 1584*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_RTC_READ, &rtcdata); 1585*4c87aefeSPatrick Mooney if (error == 0) 1586*4c87aefeSPatrick Mooney *retval = rtcdata.value; 1587*4c87aefeSPatrick Mooney return (error); 1588*4c87aefeSPatrick Mooney } 1589*4c87aefeSPatrick Mooney 1590*4c87aefeSPatrick Mooney int 1591*4c87aefeSPatrick Mooney vm_rtc_settime(struct vmctx *ctx, time_t secs) 1592*4c87aefeSPatrick Mooney { 1593*4c87aefeSPatrick Mooney struct vm_rtc_time rtctime; 1594*4c87aefeSPatrick Mooney int error; 1595*4c87aefeSPatrick Mooney 1596*4c87aefeSPatrick Mooney bzero(&rtctime, sizeof(struct vm_rtc_time)); 1597*4c87aefeSPatrick Mooney rtctime.secs = secs; 1598*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_RTC_SETTIME, &rtctime); 1599*4c87aefeSPatrick Mooney return (error); 1600*4c87aefeSPatrick Mooney } 1601*4c87aefeSPatrick Mooney 1602*4c87aefeSPatrick Mooney int 1603*4c87aefeSPatrick Mooney vm_rtc_gettime(struct vmctx *ctx, time_t *secs) 1604*4c87aefeSPatrick Mooney { 1605*4c87aefeSPatrick Mooney struct vm_rtc_time rtctime; 1606*4c87aefeSPatrick Mooney int error; 1607*4c87aefeSPatrick Mooney 1608*4c87aefeSPatrick Mooney bzero(&rtctime, sizeof(struct vm_rtc_time)); 1609*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_RTC_GETTIME, &rtctime); 1610*4c87aefeSPatrick Mooney if (error == 0) 1611*4c87aefeSPatrick Mooney *secs = rtctime.secs; 1612*4c87aefeSPatrick Mooney return (error); 1613*4c87aefeSPatrick Mooney } 1614*4c87aefeSPatrick Mooney 1615bf21cd93STycho Nightingale int 1616bf21cd93STycho Nightingale vm_restart_instruction(void *arg, int vcpu) 1617bf21cd93STycho Nightingale { 1618bf21cd93STycho Nightingale struct vmctx *ctx = arg; 1619bf21cd93STycho Nightingale 1620bf21cd93STycho Nightingale return (ioctl(ctx->fd, VM_RESTART_INSTRUCTION, &vcpu)); 1621bf21cd93STycho Nightingale } 1622*4c87aefeSPatrick Mooney 1623*4c87aefeSPatrick Mooney int 1624*4c87aefeSPatrick Mooney vm_set_topology(struct vmctx *ctx, 1625*4c87aefeSPatrick Mooney uint16_t sockets, uint16_t cores, uint16_t threads, uint16_t maxcpus) 1626*4c87aefeSPatrick Mooney { 1627*4c87aefeSPatrick Mooney struct vm_cpu_topology topology; 1628*4c87aefeSPatrick Mooney 1629*4c87aefeSPatrick Mooney bzero(&topology, sizeof (struct vm_cpu_topology)); 1630*4c87aefeSPatrick Mooney topology.sockets = sockets; 1631*4c87aefeSPatrick Mooney topology.cores = cores; 1632*4c87aefeSPatrick Mooney topology.threads = threads; 1633*4c87aefeSPatrick Mooney topology.maxcpus = maxcpus; 1634*4c87aefeSPatrick Mooney return (ioctl(ctx->fd, VM_SET_TOPOLOGY, &topology)); 1635*4c87aefeSPatrick Mooney } 1636*4c87aefeSPatrick Mooney 1637*4c87aefeSPatrick Mooney int 1638*4c87aefeSPatrick Mooney vm_get_topology(struct vmctx *ctx, 1639*4c87aefeSPatrick Mooney uint16_t *sockets, uint16_t *cores, uint16_t *threads, uint16_t *maxcpus) 1640*4c87aefeSPatrick Mooney { 1641*4c87aefeSPatrick Mooney struct vm_cpu_topology topology; 1642*4c87aefeSPatrick Mooney int error; 1643*4c87aefeSPatrick Mooney 1644*4c87aefeSPatrick Mooney bzero(&topology, sizeof (struct vm_cpu_topology)); 1645*4c87aefeSPatrick Mooney error = ioctl(ctx->fd, VM_GET_TOPOLOGY, &topology); 1646*4c87aefeSPatrick Mooney if (error == 0) { 1647*4c87aefeSPatrick Mooney *sockets = topology.sockets; 1648*4c87aefeSPatrick Mooney *cores = topology.cores; 1649*4c87aefeSPatrick Mooney *threads = topology.threads; 1650*4c87aefeSPatrick Mooney *maxcpus = topology.maxcpus; 1651*4c87aefeSPatrick Mooney } 1652*4c87aefeSPatrick Mooney return (error); 1653*4c87aefeSPatrick Mooney } 1654*4c87aefeSPatrick Mooney 1655*4c87aefeSPatrick Mooney int 1656*4c87aefeSPatrick Mooney vm_get_device_fd(struct vmctx *ctx) 1657*4c87aefeSPatrick Mooney { 1658*4c87aefeSPatrick Mooney 1659*4c87aefeSPatrick Mooney return (ctx->fd); 1660*4c87aefeSPatrick Mooney } 1661*4c87aefeSPatrick Mooney 1662*4c87aefeSPatrick Mooney #ifndef __FreeBSD__ 1663*4c87aefeSPatrick Mooney int 1664*4c87aefeSPatrick Mooney vm_wrlock_cycle(struct vmctx *ctx) 1665*4c87aefeSPatrick Mooney { 1666*4c87aefeSPatrick Mooney if (ioctl(ctx->fd, VM_WRLOCK_CYCLE, 0) != 0) { 1667*4c87aefeSPatrick Mooney return (errno); 1668*4c87aefeSPatrick Mooney } 1669*4c87aefeSPatrick Mooney return (0); 1670*4c87aefeSPatrick Mooney } 1671*4c87aefeSPatrick Mooney #endif /* __FreeBSD__ */ 1672*4c87aefeSPatrick Mooney 1673*4c87aefeSPatrick Mooney #ifdef __FreeBSD__ 1674*4c87aefeSPatrick Mooney const cap_ioctl_t * 1675*4c87aefeSPatrick Mooney vm_get_ioctls(size_t *len) 1676*4c87aefeSPatrick Mooney { 1677*4c87aefeSPatrick Mooney cap_ioctl_t *cmds; 1678*4c87aefeSPatrick Mooney /* keep in sync with machine/vmm_dev.h */ 1679*4c87aefeSPatrick Mooney static const cap_ioctl_t vm_ioctl_cmds[] = { VM_RUN, VM_SUSPEND, VM_REINIT, 1680*4c87aefeSPatrick Mooney VM_ALLOC_MEMSEG, VM_GET_MEMSEG, VM_MMAP_MEMSEG, VM_MMAP_MEMSEG, 1681*4c87aefeSPatrick Mooney VM_MMAP_GETNEXT, VM_SET_REGISTER, VM_GET_REGISTER, 1682*4c87aefeSPatrick Mooney VM_SET_SEGMENT_DESCRIPTOR, VM_GET_SEGMENT_DESCRIPTOR, 1683*4c87aefeSPatrick Mooney VM_SET_REGISTER_SET, VM_GET_REGISTER_SET, 1684*4c87aefeSPatrick Mooney VM_INJECT_EXCEPTION, VM_LAPIC_IRQ, VM_LAPIC_LOCAL_IRQ, 1685*4c87aefeSPatrick Mooney VM_LAPIC_MSI, VM_IOAPIC_ASSERT_IRQ, VM_IOAPIC_DEASSERT_IRQ, 1686*4c87aefeSPatrick Mooney VM_IOAPIC_PULSE_IRQ, VM_IOAPIC_PINCOUNT, VM_ISA_ASSERT_IRQ, 1687*4c87aefeSPatrick Mooney VM_ISA_DEASSERT_IRQ, VM_ISA_PULSE_IRQ, VM_ISA_SET_IRQ_TRIGGER, 1688*4c87aefeSPatrick Mooney VM_SET_CAPABILITY, VM_GET_CAPABILITY, VM_BIND_PPTDEV, 1689*4c87aefeSPatrick Mooney VM_UNBIND_PPTDEV, VM_MAP_PPTDEV_MMIO, VM_PPTDEV_MSI, 1690*4c87aefeSPatrick Mooney VM_PPTDEV_MSIX, VM_INJECT_NMI, VM_STATS, VM_STAT_DESC, 1691*4c87aefeSPatrick Mooney VM_SET_X2APIC_STATE, VM_GET_X2APIC_STATE, 1692*4c87aefeSPatrick Mooney VM_GET_HPET_CAPABILITIES, VM_GET_GPA_PMAP, VM_GLA2GPA, 1693*4c87aefeSPatrick Mooney VM_GLA2GPA_NOFAULT, 1694*4c87aefeSPatrick Mooney VM_ACTIVATE_CPU, VM_GET_CPUS, VM_SUSPEND_CPU, VM_RESUME_CPU, 1695*4c87aefeSPatrick Mooney VM_SET_INTINFO, VM_GET_INTINFO, 1696*4c87aefeSPatrick Mooney VM_RTC_WRITE, VM_RTC_READ, VM_RTC_SETTIME, VM_RTC_GETTIME, 1697*4c87aefeSPatrick Mooney VM_RESTART_INSTRUCTION, VM_SET_TOPOLOGY, VM_GET_TOPOLOGY }; 1698*4c87aefeSPatrick Mooney 1699*4c87aefeSPatrick Mooney if (len == NULL) { 1700*4c87aefeSPatrick Mooney cmds = malloc(sizeof(vm_ioctl_cmds)); 1701*4c87aefeSPatrick Mooney if (cmds == NULL) 1702*4c87aefeSPatrick Mooney return (NULL); 1703*4c87aefeSPatrick Mooney bcopy(vm_ioctl_cmds, cmds, sizeof(vm_ioctl_cmds)); 1704*4c87aefeSPatrick Mooney return (cmds); 1705*4c87aefeSPatrick Mooney } 1706*4c87aefeSPatrick Mooney 1707*4c87aefeSPatrick Mooney *len = nitems(vm_ioctl_cmds); 1708*4c87aefeSPatrick Mooney return (NULL); 1709*4c87aefeSPatrick Mooney } 1710*4c87aefeSPatrick Mooney #endif /* __FreeBSD__ */ 1711