Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 1 | /* |
| 2 | ** Copyright (c) 2011, Intel Corporation |
| 3 | ** |
| 4 | ** This software is licensed under the terms of the GNU General Public |
| 5 | ** License version 2, as published by the Free Software Foundation, and |
| 6 | ** may be copied, distributed, and modified under those terms. |
| 7 | ** |
| 8 | ** This program is distributed in the hope that it will be useful, |
| 9 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | ** GNU General Public License for more details. |
| 12 | */ |
| 13 | |
| 14 | #include "target-i386/hax-i386.h" |
| 15 | |
| 16 | /* |
| 17 | * return 0 upon success, -1 when the driver is not loaded, |
| 18 | * other negative value for other failures |
| 19 | */ |
| 20 | static int hax_open_device(hax_fd *fd) |
| 21 | { |
| 22 | uint32_t errNum = 0; |
| 23 | HANDLE hDevice; |
| 24 | |
| 25 | if (!fd) |
| 26 | return -2; |
| 27 | |
| 28 | hDevice = CreateFile( "\\\\.\\HAX", |
| 29 | GENERIC_READ | GENERIC_WRITE, |
| 30 | 0, |
| 31 | NULL, |
| 32 | CREATE_ALWAYS, |
| 33 | FILE_ATTRIBUTE_NORMAL, |
| 34 | NULL); |
| 35 | |
| 36 | if (hDevice == INVALID_HANDLE_VALUE) |
| 37 | { |
| 38 | dprint("Failed to open the HAX device!\n"); |
| 39 | errNum = GetLastError(); |
| 40 | if (errNum == ERROR_FILE_NOT_FOUND) |
| 41 | return -1; |
| 42 | return -2; |
| 43 | } |
| 44 | *fd = hDevice; |
| 45 | dprint("device fd:%d\n", *fd); |
| 46 | return 0; |
| 47 | } |
| 48 | |
| 49 | |
| 50 | hax_fd hax_mod_open(void) |
| 51 | { |
| 52 | int ret; |
David 'Digit' Turner | a2c14f9 | 2014-02-04 01:02:30 +0100 | [diff] [blame] | 53 | hax_fd fd = INVALID_HANDLE_VALUE; |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 54 | |
| 55 | ret = hax_open_device(&fd); |
David 'Digit' Turner | a2c14f9 | 2014-02-04 01:02:30 +0100 | [diff] [blame] | 56 | if (ret != 0) { |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 57 | dprint("Open HAX device failed\n"); |
David 'Digit' Turner | a2c14f9 | 2014-02-04 01:02:30 +0100 | [diff] [blame] | 58 | return INVALID_HANDLE_VALUE; |
| 59 | } |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 60 | |
| 61 | return fd; |
| 62 | } |
| 63 | |
| 64 | int hax_populate_ram(uint64_t va, uint32_t size) |
| 65 | { |
| 66 | int ret; |
| 67 | struct hax_alloc_ram_info info; |
| 68 | HANDLE hDeviceVM; |
| 69 | DWORD dSize = 0; |
| 70 | |
| 71 | if (!hax_global.vm || !hax_global.vm->fd) |
| 72 | { |
| 73 | dprint("Allocate memory before vm create?\n"); |
| 74 | return -EINVAL; |
| 75 | } |
| 76 | |
| 77 | info.size = size; |
| 78 | info.va = va; |
| 79 | |
| 80 | hDeviceVM = hax_global.vm->fd; |
| 81 | |
| 82 | ret = DeviceIoControl(hDeviceVM, |
| 83 | HAX_VM_IOCTL_ALLOC_RAM, |
| 84 | &info, sizeof(info), |
| 85 | NULL, 0, |
| 86 | &dSize, |
| 87 | (LPOVERLAPPED) NULL); |
| 88 | |
| 89 | if (!ret) { |
David 'Digit' Turner | f2de2ae | 2014-03-07 16:25:58 +0100 | [diff] [blame] | 90 | dprint("HAX: Failed to allocate %x memory (address %llx)\n", |
| 91 | size, (unsigned long long)va); |
| 92 | return -1; |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | return 0; |
| 96 | } |
| 97 | |
| 98 | |
David 'Digit' Turner | bcde109 | 2014-01-09 23:19:19 +0100 | [diff] [blame] | 99 | int hax_set_phys_mem(hwaddr start_addr, ram_addr_t size, ram_addr_t phys_offset) |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 100 | { |
| 101 | struct hax_set_ram_info info, *pinfo = &info; |
| 102 | ram_addr_t flags = phys_offset & ~TARGET_PAGE_MASK; |
| 103 | HANDLE hDeviceVM; |
| 104 | DWORD dSize = 0; |
| 105 | int ret = 0; |
| 106 | |
| 107 | /* We look for the RAM and ROM only */ |
| 108 | if (flags >= IO_MEM_UNASSIGNED) |
| 109 | return 0; |
| 110 | |
| 111 | if ( (start_addr & ~TARGET_PAGE_MASK) || (size & ~TARGET_PAGE_MASK)) |
| 112 | { |
| 113 | dprint( |
| 114 | "set_phys_mem %x %lx requires page aligned addr and size\n", |
| 115 | start_addr, size); |
| 116 | return -1; |
| 117 | } |
| 118 | |
| 119 | info.pa_start = start_addr; |
| 120 | info.size = size; |
David 'Digit' Turner | a2c14f9 | 2014-02-04 01:02:30 +0100 | [diff] [blame] | 121 | info.va = (uint64_t)(uintptr_t)qemu_get_ram_ptr(phys_offset); |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 122 | info.flags = (flags & IO_MEM_ROM) ? 1 : 0; |
| 123 | |
| 124 | hDeviceVM = hax_global.vm->fd; |
| 125 | |
| 126 | ret = DeviceIoControl(hDeviceVM, |
| 127 | HAX_VM_IOCTL_SET_RAM, |
| 128 | pinfo, sizeof(*pinfo), |
| 129 | NULL, 0, |
| 130 | &dSize, |
| 131 | (LPOVERLAPPED) NULL); |
| 132 | |
| 133 | if (!ret) |
| 134 | return -EFAULT; |
| 135 | else |
| 136 | return 0; |
| 137 | } |
| 138 | |
Jiang, Yunhong | 4a5a0ef | 2012-02-23 06:31:12 +0800 | [diff] [blame] | 139 | int hax_capability(struct hax_state *hax, struct hax_capabilityinfo *cap) |
| 140 | { |
| 141 | int ret; |
| 142 | HANDLE hDevice = hax->fd; //handle to hax module |
| 143 | DWORD dSize = 0; |
| 144 | DWORD err = 0; |
| 145 | |
| 146 | if (hax_invalid_fd(hDevice)) { |
| 147 | dprint("Invalid fd for hax device!\n"); |
| 148 | return -ENODEV; |
| 149 | } |
| 150 | |
| 151 | ret = DeviceIoControl(hDevice, |
| 152 | HAX_IOCTL_CAPABILITY, |
| 153 | NULL, 0, |
| 154 | cap, sizeof(*cap), |
| 155 | &dSize, |
| 156 | (LPOVERLAPPED) NULL); |
| 157 | |
| 158 | if (!ret) { |
| 159 | err = GetLastError(); |
| 160 | if (err == ERROR_INSUFFICIENT_BUFFER || |
| 161 | err == ERROR_MORE_DATA) |
| 162 | dprint("hax capability is too long to hold.\n"); |
| 163 | dprint("Failed to get Hax capability:%d\n", err); |
| 164 | return -EFAULT; |
| 165 | } else |
| 166 | return 0; |
| 167 | } |
| 168 | |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 169 | int hax_mod_version(struct hax_state *hax, struct hax_module_version *version) |
| 170 | { |
| 171 | int ret; |
| 172 | HANDLE hDevice = hax->fd; //handle to hax module |
| 173 | DWORD dSize = 0; |
| 174 | DWORD err = 0; |
| 175 | |
| 176 | if (hax_invalid_fd(hDevice)) { |
| 177 | dprint("Invalid fd for hax device!\n"); |
| 178 | return -ENODEV; |
| 179 | } |
| 180 | |
| 181 | ret = DeviceIoControl(hDevice, |
| 182 | HAX_IOCTL_VERSION, |
| 183 | NULL, 0, |
| 184 | version, sizeof(*version), |
| 185 | &dSize, |
| 186 | (LPOVERLAPPED) NULL); |
| 187 | |
| 188 | if (!ret) { |
| 189 | err = GetLastError(); |
| 190 | if (err == ERROR_INSUFFICIENT_BUFFER || |
| 191 | err == ERROR_MORE_DATA) |
| 192 | dprint("HAX module is too large.\n"); |
| 193 | dprint("Failed to get Hax module version:%d\n", err); |
| 194 | return -EFAULT; |
| 195 | } else |
| 196 | return 0; |
| 197 | } |
| 198 | |
| 199 | static char *hax_vm_devfs_string(int vm_id) |
| 200 | { |
| 201 | char *name; |
| 202 | |
| 203 | if (vm_id > MAX_VM_ID) |
| 204 | { |
| 205 | dprint("Too big VM id\n"); |
| 206 | return NULL; |
| 207 | } |
| 208 | |
David 'Digit' Turner | aa8236d | 2014-01-10 17:02:29 +0100 | [diff] [blame] | 209 | name = g_strdup("\\\\.\\hax_vmxx"); |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 210 | if (!name) |
| 211 | return NULL; |
| 212 | sprintf(name, "\\\\.\\hax_vm%02d", vm_id); |
| 213 | |
| 214 | return name; |
| 215 | } |
| 216 | |
| 217 | static char *hax_vcpu_devfs_string(int vm_id, int vcpu_id) |
| 218 | { |
| 219 | char *name; |
| 220 | |
| 221 | if (vm_id > MAX_VM_ID || vcpu_id > MAX_VCPU_ID) |
| 222 | { |
| 223 | dprint("Too big vm id %x or vcpu id %x\n", vm_id, vcpu_id); |
| 224 | return NULL; |
| 225 | } |
David 'Digit' Turner | aa8236d | 2014-01-10 17:02:29 +0100 | [diff] [blame] | 226 | name = g_strdup("\\\\.\\hax_vmxx_vcpuxx"); |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 227 | if (!name) |
| 228 | return NULL; |
| 229 | sprintf(name, "\\\\.\\hax_vm%02d_vcpu%02d", vm_id, vcpu_id); |
| 230 | |
| 231 | return name; |
| 232 | } |
| 233 | |
Jiang, Yunhong | 1d1280d | 2012-02-23 05:21:15 +0800 | [diff] [blame] | 234 | int hax_host_create_vm(struct hax_state *hax, int *vmid) |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 235 | { |
| 236 | int ret; |
Jiang, Yunhong | 1d1280d | 2012-02-23 05:21:15 +0800 | [diff] [blame] | 237 | int vm_id = 0; |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 238 | DWORD dSize = 0; |
| 239 | |
| 240 | if (hax_invalid_fd(hax->fd)) |
| 241 | return -EINVAL; |
| 242 | |
| 243 | if (hax->vm) |
| 244 | return 0; |
| 245 | |
| 246 | ret = DeviceIoControl(hax->fd, |
| 247 | HAX_IOCTL_CREATE_VM, |
| 248 | NULL, 0, |
| 249 | &vm_id, sizeof(vm_id), |
| 250 | &dSize, |
| 251 | (LPOVERLAPPED) NULL); |
| 252 | if (!ret) { |
| 253 | dprint("error code:%d", GetLastError()); |
| 254 | return -1; |
| 255 | } |
Jiang, Yunhong | 1d1280d | 2012-02-23 05:21:15 +0800 | [diff] [blame] | 256 | *vmid = vm_id; |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 257 | return 0; |
| 258 | } |
| 259 | |
| 260 | hax_fd hax_host_open_vm(struct hax_state *hax, int vm_id) |
| 261 | { |
| 262 | char *vm_name = NULL; |
| 263 | hax_fd hDeviceVM; |
| 264 | |
| 265 | vm_name = hax_vm_devfs_string(vm_id); |
| 266 | if (!vm_name) { |
| 267 | dprint("Incorrect name\n"); |
| 268 | return INVALID_HANDLE_VALUE; |
| 269 | } |
| 270 | |
| 271 | hDeviceVM = CreateFile(vm_name, |
| 272 | GENERIC_READ | GENERIC_WRITE, |
| 273 | 0, |
| 274 | NULL, |
| 275 | CREATE_ALWAYS, |
| 276 | FILE_ATTRIBUTE_NORMAL, |
| 277 | NULL); |
| 278 | if (hDeviceVM == INVALID_HANDLE_VALUE) |
| 279 | dprint("Open the vm devcie error:%s, ec:%d\n", vm_name, GetLastError()); |
| 280 | |
David 'Digit' Turner | aa8236d | 2014-01-10 17:02:29 +0100 | [diff] [blame] | 281 | g_free(vm_name); |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 282 | return hDeviceVM; |
| 283 | } |
| 284 | |
Jiang, Yunhong | 8a539ea | 2012-03-23 13:47:38 +0800 | [diff] [blame] | 285 | int hax_notify_qemu_version(hax_fd vm_fd, struct hax_qemu_version *qversion) |
| 286 | { |
| 287 | int ret; |
| 288 | DWORD dSize = 0; |
| 289 | |
| 290 | if (hax_invalid_fd(vm_fd)) |
| 291 | return -EINVAL; |
| 292 | |
| 293 | ret = DeviceIoControl(vm_fd, |
| 294 | HAX_VM_IOCTL_NOTIFY_QEMU_VERSION, |
| 295 | qversion, sizeof(struct hax_qemu_version), |
| 296 | NULL, 0, |
| 297 | &dSize, |
| 298 | (LPOVERLAPPED) NULL); |
| 299 | if (!ret) |
| 300 | { |
| 301 | dprint("Failed to notify qemu API version\n"); |
| 302 | return -1; |
| 303 | } |
| 304 | |
| 305 | return 0; |
| 306 | } |
| 307 | |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 308 | int hax_host_create_vcpu(hax_fd vm_fd, int vcpuid) |
| 309 | { |
| 310 | int ret; |
| 311 | DWORD dSize = 0; |
| 312 | |
| 313 | ret = DeviceIoControl(vm_fd, |
| 314 | HAX_VM_IOCTL_VCPU_CREATE, |
| 315 | &vcpuid, sizeof(vcpuid), |
| 316 | NULL, 0, |
| 317 | &dSize, |
| 318 | (LPOVERLAPPED) NULL); |
| 319 | if (!ret) |
| 320 | { |
| 321 | dprint("Failed to create vcpu %x\n", vcpuid); |
| 322 | return -1; |
| 323 | } |
| 324 | |
| 325 | return 0; |
| 326 | } |
| 327 | |
| 328 | hax_fd hax_host_open_vcpu(int vmid, int vcpuid) |
| 329 | { |
| 330 | char *devfs_path = NULL; |
| 331 | hax_fd hDeviceVCPU; |
| 332 | |
| 333 | devfs_path = hax_vcpu_devfs_string(vmid, vcpuid); |
| 334 | if (!devfs_path) |
| 335 | { |
| 336 | dprint("Failed to get the devfs\n"); |
| 337 | return INVALID_HANDLE_VALUE; |
| 338 | } |
| 339 | |
| 340 | hDeviceVCPU = CreateFile( devfs_path, |
| 341 | GENERIC_READ | GENERIC_WRITE, |
| 342 | 0, |
| 343 | NULL, |
| 344 | CREATE_ALWAYS, |
| 345 | FILE_ATTRIBUTE_NORMAL, |
| 346 | NULL); |
| 347 | |
| 348 | if (hDeviceVCPU == INVALID_HANDLE_VALUE) |
| 349 | dprint("Failed to open the vcpu devfs\n"); |
David 'Digit' Turner | aa8236d | 2014-01-10 17:02:29 +0100 | [diff] [blame] | 350 | g_free(devfs_path); |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 351 | return hDeviceVCPU; |
| 352 | } |
| 353 | |
| 354 | int hax_host_setup_vcpu_channel(struct hax_vcpu_state *vcpu) |
| 355 | { |
| 356 | hax_fd hDeviceVCPU = vcpu->fd; |
| 357 | int ret; |
| 358 | struct hax_tunnel_info info; |
| 359 | DWORD dSize = 0; |
| 360 | |
| 361 | ret = DeviceIoControl(hDeviceVCPU, |
| 362 | HAX_VCPU_IOCTL_SETUP_TUNNEL, |
| 363 | NULL, 0, |
| 364 | &info, sizeof(info), |
| 365 | &dSize, |
| 366 | (LPOVERLAPPED) NULL); |
| 367 | if (!ret) |
| 368 | { |
| 369 | dprint("Failed to setup the hax tunnel\n"); |
| 370 | return -1; |
| 371 | } |
| 372 | |
| 373 | if (!valid_hax_tunnel_size(info.size)) |
| 374 | { |
| 375 | dprint("Invalid hax tunnel size %x\n", info.size); |
| 376 | ret = -EINVAL; |
| 377 | return ret; |
| 378 | } |
David 'Digit' Turner | a2c14f9 | 2014-02-04 01:02:30 +0100 | [diff] [blame] | 379 | vcpu->tunnel = (struct hax_tunnel *)(uintptr_t)(info.va); |
| 380 | vcpu->iobuf = (unsigned char *)(uintptr_t)(info.io_va); |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 381 | return 0; |
| 382 | } |
| 383 | |
| 384 | int hax_vcpu_run(struct hax_vcpu_state* vcpu) |
| 385 | { |
| 386 | int ret; |
| 387 | HANDLE hDeviceVCPU = vcpu->fd; |
| 388 | DWORD dSize = 0; |
| 389 | |
| 390 | ret = DeviceIoControl(hDeviceVCPU, |
| 391 | HAX_VCPU_IOCTL_RUN, |
| 392 | NULL, 0, |
| 393 | NULL, 0, |
| 394 | &dSize, |
| 395 | (LPOVERLAPPED) NULL); |
| 396 | if (!ret) |
| 397 | return -EFAULT; |
| 398 | else |
| 399 | return 0; |
| 400 | } |
| 401 | |
David 'Digit' Turner | 7f38c7f | 2014-03-26 10:20:11 +0100 | [diff] [blame] | 402 | int hax_sync_fpu(CPUState *cpu, struct fx_layout *fl, int set) |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 403 | { |
| 404 | int ret; |
| 405 | hax_fd fd; |
| 406 | HANDLE hDeviceVCPU; |
| 407 | DWORD dSize = 0; |
| 408 | |
David 'Digit' Turner | 7f38c7f | 2014-03-26 10:20:11 +0100 | [diff] [blame] | 409 | fd = hax_vcpu_get_fd(cpu); |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 410 | if (hax_invalid_fd(fd)) |
| 411 | return -1; |
| 412 | |
| 413 | hDeviceVCPU = fd; |
| 414 | |
| 415 | if (set) |
| 416 | ret = DeviceIoControl(hDeviceVCPU, |
| 417 | HAX_VCPU_IOCTL_SET_FPU, |
| 418 | fl, sizeof(*fl), |
| 419 | NULL, 0, |
| 420 | &dSize, |
| 421 | (LPOVERLAPPED) NULL); |
| 422 | else |
| 423 | ret = DeviceIoControl(hDeviceVCPU, |
| 424 | HAX_VCPU_IOCTL_GET_FPU, |
| 425 | NULL, 0, |
| 426 | fl, sizeof(*fl), |
| 427 | &dSize, |
| 428 | (LPOVERLAPPED) NULL); |
| 429 | if (!ret) |
| 430 | return -EFAULT; |
| 431 | else |
| 432 | return 0; |
| 433 | } |
| 434 | |
David 'Digit' Turner | 7f38c7f | 2014-03-26 10:20:11 +0100 | [diff] [blame] | 435 | int hax_sync_msr(CPUState *cpu, struct hax_msr_data *msrs, int set) |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 436 | { |
| 437 | int ret; |
| 438 | hax_fd fd; |
| 439 | HANDLE hDeviceVCPU; |
| 440 | DWORD dSize = 0; |
| 441 | |
David 'Digit' Turner | 7f38c7f | 2014-03-26 10:20:11 +0100 | [diff] [blame] | 442 | fd = hax_vcpu_get_fd(cpu); |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 443 | if (hax_invalid_fd(fd)) |
| 444 | return -1; |
| 445 | hDeviceVCPU = fd; |
| 446 | |
| 447 | if (set) |
| 448 | ret = DeviceIoControl(hDeviceVCPU, |
| 449 | HAX_VCPU_IOCTL_SET_MSRS, |
| 450 | msrs, sizeof(*msrs), |
| 451 | msrs, sizeof(*msrs), |
| 452 | &dSize, |
| 453 | (LPOVERLAPPED) NULL); |
| 454 | else |
| 455 | ret = DeviceIoControl(hDeviceVCPU, |
| 456 | HAX_VCPU_IOCTL_GET_MSRS, |
| 457 | msrs, sizeof(*msrs), |
| 458 | msrs, sizeof(*msrs), |
| 459 | &dSize, |
| 460 | (LPOVERLAPPED) NULL); |
| 461 | if (!ret) |
| 462 | return -EFAULT; |
| 463 | else |
| 464 | return 0; |
| 465 | } |
| 466 | |
David 'Digit' Turner | 7f38c7f | 2014-03-26 10:20:11 +0100 | [diff] [blame] | 467 | int hax_sync_vcpu_state(CPUState *cpu, struct vcpu_state_t *state, int set) |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 468 | { |
| 469 | int ret; |
| 470 | hax_fd fd; |
| 471 | HANDLE hDeviceVCPU; |
| 472 | DWORD dSize; |
| 473 | |
David 'Digit' Turner | 7f38c7f | 2014-03-26 10:20:11 +0100 | [diff] [blame] | 474 | fd = hax_vcpu_get_fd(cpu); |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 475 | if (hax_invalid_fd(fd)) |
| 476 | return -1; |
| 477 | |
| 478 | hDeviceVCPU = fd; |
| 479 | |
| 480 | if (set) |
| 481 | ret = DeviceIoControl(hDeviceVCPU, |
| 482 | HAX_VCPU_SET_REGS, |
| 483 | state, sizeof(*state), |
| 484 | NULL, 0, |
| 485 | &dSize, |
| 486 | (LPOVERLAPPED) NULL); |
| 487 | else |
| 488 | ret = DeviceIoControl(hDeviceVCPU, |
| 489 | HAX_VCPU_GET_REGS, |
| 490 | NULL, 0, |
| 491 | state, sizeof(*state), |
| 492 | &dSize, |
| 493 | (LPOVERLAPPED) NULL); |
| 494 | if (!ret) |
| 495 | return -EFAULT; |
| 496 | else |
| 497 | return 0; |
| 498 | } |
| 499 | |
David 'Digit' Turner | 7f38c7f | 2014-03-26 10:20:11 +0100 | [diff] [blame] | 500 | int hax_inject_interrupt(CPUState *cpu, int vector) |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 501 | { |
| 502 | int ret; |
| 503 | hax_fd fd; |
| 504 | HANDLE hDeviceVCPU; |
| 505 | DWORD dSize; |
| 506 | |
David 'Digit' Turner | 7f38c7f | 2014-03-26 10:20:11 +0100 | [diff] [blame] | 507 | fd = hax_vcpu_get_fd(cpu); |
Jun Nakajima | e4a3c78 | 2011-12-17 19:22:12 -0800 | [diff] [blame] | 508 | if (hax_invalid_fd(fd)) |
| 509 | return -1; |
| 510 | |
| 511 | hDeviceVCPU = fd; |
| 512 | |
| 513 | ret = DeviceIoControl(hDeviceVCPU, |
| 514 | HAX_VCPU_IOCTL_INTERRUPT, |
| 515 | &vector, sizeof(vector), |
| 516 | NULL, 0, |
| 517 | &dSize, |
| 518 | (LPOVERLAPPED) NULL); |
| 519 | if (!ret) |
| 520 | return -EFAULT; |
| 521 | else |
| 522 | return 0; |
| 523 | } |