2 * QEMU Guest Agent win32-specific command implementations
4 * Copyright IBM Corp. 2012
7 * Michael Roth <mdroth@linux.vnet.ibm.com>
8 * Gal Hammer <ghammer@redhat.com>
10 * This work is licensed under the terms of the GNU GPL, version 2 or later.
11 * See the COPYING file in the top-level directory.
13 #include "qemu/osdep.h"
26 #include <devpropdef.h>
31 #include "guest-agent-core.h"
32 #include "vss-win32.h"
33 #include "qga-qapi-commands.h"
34 #include "qapi/error.h"
35 #include "qapi/qmp/qerror.h"
36 #include "qemu/queue.h"
37 #include "qemu/host-utils.h"
38 #include "qemu/base64.h"
39 #include "commands-common.h"
42 * The following should be in devpkey.h, but it isn't. The key names were
43 * prefixed to avoid (future) name clashes. Once the definitions get into
44 * mingw the following lines can be removed.
46 DEFINE_DEVPROPKEY(qga_DEVPKEY_NAME, 0xb725f130, 0x47ef, 0x101a, 0xa5,
47 0xf1, 0x02, 0x60, 0x8c, 0x9e, 0xeb, 0xac, 10);
48 /* DEVPROP_TYPE_STRING */
49 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_HardwareIds, 0xa45c254e, 0xdf1c,
50 0x4efd, 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 3);
51 /* DEVPROP_TYPE_STRING_LIST */
52 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_DriverDate, 0xa8b865dd, 0x2e3d,
53 0x4094, 0xad, 0x97, 0xe5, 0x93, 0xa7, 0xc, 0x75, 0xd6, 2);
54 /* DEVPROP_TYPE_FILETIME */
55 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_DriverVersion, 0xa8b865dd, 0x2e3d,
56 0x4094, 0xad, 0x97, 0xe5, 0x93, 0xa7, 0xc, 0x75, 0xd6, 3);
57 /* DEVPROP_TYPE_STRING */
58 /* The CM_Get_DevNode_PropertyW prototype is only sometimes in cfgmgr32.h */
59 #ifndef CM_Get_DevNode_Property
60 #pragma GCC diagnostic push
61 #pragma GCC diagnostic ignored "-Wredundant-decls"
62 CMAPI CONFIGRET WINAPI CM_Get_DevNode_PropertyW(
64 CONST DEVPROPKEY * PropertyKey,
65 DEVPROPTYPE * PropertyType,
67 PULONG PropertyBufferSize,
70 #define CM_Get_DevNode_Property CM_Get_DevNode_PropertyW
71 #pragma GCC diagnostic pop
74 #ifndef SHTDN_REASON_FLAG_PLANNED
75 #define SHTDN_REASON_FLAG_PLANNED 0x80000000
78 /* multiple of 100 nanoseconds elapsed between windows baseline
79 * (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */
80 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \
81 (365 * (1970 - 1601) + \
82 (1970 - 1601) / 4 - 3))
84 #define INVALID_SET_FILE_POINTER ((DWORD)-1)
86 struct GuestFileHandle {
89 QTAILQ_ENTRY(GuestFileHandle) next;
93 QTAILQ_HEAD(, GuestFileHandle) filehandles;
94 } guest_file_state = {
95 .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles),
98 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA)
100 typedef struct OpenFlags {
102 DWORD desired_access;
103 DWORD creation_disposition;
105 static OpenFlags guest_file_open_modes[] = {
106 {"r", GENERIC_READ, OPEN_EXISTING},
107 {"rb", GENERIC_READ, OPEN_EXISTING},
108 {"w", GENERIC_WRITE, CREATE_ALWAYS},
109 {"wb", GENERIC_WRITE, CREATE_ALWAYS},
110 {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS },
111 {"r+", GENERIC_WRITE | GENERIC_READ, OPEN_EXISTING},
112 {"rb+", GENERIC_WRITE | GENERIC_READ, OPEN_EXISTING},
113 {"r+b", GENERIC_WRITE | GENERIC_READ, OPEN_EXISTING},
114 {"w+", GENERIC_WRITE | GENERIC_READ, CREATE_ALWAYS},
115 {"wb+", GENERIC_WRITE | GENERIC_READ, CREATE_ALWAYS},
116 {"w+b", GENERIC_WRITE | GENERIC_READ, CREATE_ALWAYS},
117 {"a+", FILE_GENERIC_APPEND | GENERIC_READ, OPEN_ALWAYS },
118 {"ab+", FILE_GENERIC_APPEND | GENERIC_READ, OPEN_ALWAYS },
119 {"a+b", FILE_GENERIC_APPEND | GENERIC_READ, OPEN_ALWAYS }
122 #define debug_error(msg) do { \
123 char *suffix = g_win32_error_message(GetLastError()); \
124 g_debug("%s: %s", (msg), suffix); \
128 static OpenFlags *find_open_flag(const char *mode_str)
133 for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) {
134 OpenFlags *flags = guest_file_open_modes + mode;
136 if (strcmp(flags->forms, mode_str) == 0) {
141 error_setg(errp, "invalid file open mode '%s'", mode_str);
145 static int64_t guest_file_handle_add(HANDLE fh, Error **errp)
147 GuestFileHandle *gfh;
150 handle = ga_get_fd_handle(ga_state, errp);
154 gfh = g_new0(GuestFileHandle, 1);
157 QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next);
162 GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp)
164 GuestFileHandle *gfh;
165 QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) {
170 error_setg(errp, "handle '%" PRId64 "' has not been found", id);
174 static void handle_set_nonblocking(HANDLE fh)
176 DWORD file_type, pipe_state;
177 file_type = GetFileType(fh);
178 if (file_type != FILE_TYPE_PIPE) {
181 /* If file_type == FILE_TYPE_PIPE, according to MSDN
182 * the specified file is socket or named pipe */
183 if (!GetNamedPipeHandleState(fh, &pipe_state, NULL,
184 NULL, NULL, NULL, 0)) {
187 /* The fd is named pipe fd */
188 if (pipe_state & PIPE_NOWAIT) {
192 pipe_state |= PIPE_NOWAIT;
193 SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL);
196 int64_t qmp_guest_file_open(const char *path, bool has_mode,
197 const char *mode, Error **errp)
201 HANDLE templ_file = NULL;
202 DWORD share_mode = FILE_SHARE_READ;
203 DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL;
204 LPSECURITY_ATTRIBUTES sa_attr = NULL;
205 OpenFlags *guest_flags;
207 wchar_t *w_path = NULL;
212 slog("guest-file-open called, filepath: %s, mode: %s", path, mode);
213 guest_flags = find_open_flag(mode);
214 if (guest_flags == NULL) {
215 error_setg(errp, "invalid file open mode");
219 w_path = g_utf8_to_utf16(path, -1, NULL, NULL, &gerr);
224 fh = CreateFileW(w_path, guest_flags->desired_access, share_mode, sa_attr,
225 guest_flags->creation_disposition, flags_and_attr,
227 if (fh == INVALID_HANDLE_VALUE) {
228 error_setg_win32(errp, GetLastError(), "failed to open file '%s'",
233 /* set fd non-blocking to avoid common use cases (like reading from a
234 * named pipe) from hanging the agent
236 handle_set_nonblocking(fh);
238 fd = guest_file_handle_add(fh, errp);
241 error_setg(errp, "failed to add handle to qmp handle table");
245 slog("guest-file-open, handle: % " PRId64, fd);
249 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
256 void qmp_guest_file_close(int64_t handle, Error **errp)
259 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
260 slog("guest-file-close called, handle: %" PRId64, handle);
264 ret = CloseHandle(gfh->fh);
266 error_setg_win32(errp, GetLastError(), "failed close handle");
270 QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next);
274 static void acquire_privilege(const char *name, Error **errp)
277 TOKEN_PRIVILEGES priv;
278 Error *local_err = NULL;
280 if (OpenProcessToken(GetCurrentProcess(),
281 TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token))
283 if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) {
284 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
285 "no luid for requested privilege");
289 priv.PrivilegeCount = 1;
290 priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
292 if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) {
293 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
294 "unable to acquire requested privilege");
299 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
300 "failed to open privilege token");
307 error_propagate(errp, local_err);
310 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque,
313 HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL);
315 error_setg(errp, QERR_QGA_COMMAND_FAILED,
316 "failed to dispatch asynchronous command");
320 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
322 Error *local_err = NULL;
323 UINT shutdown_flag = EWX_FORCE;
325 slog("guest-shutdown called, mode: %s", mode);
327 if (!has_mode || strcmp(mode, "powerdown") == 0) {
328 shutdown_flag |= EWX_POWEROFF;
329 } else if (strcmp(mode, "halt") == 0) {
330 shutdown_flag |= EWX_SHUTDOWN;
331 } else if (strcmp(mode, "reboot") == 0) {
332 shutdown_flag |= EWX_REBOOT;
334 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode",
335 "'halt', 'powerdown', or 'reboot'");
339 /* Request a shutdown privilege, but try to shut down the system
341 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
343 error_propagate(errp, local_err);
347 if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) {
348 g_autofree gchar *emsg = g_win32_error_message(GetLastError());
349 slog("guest-shutdown failed: %s", emsg);
350 error_setg_win32(errp, GetLastError(), "guest-shutdown failed");
354 GuestFileRead *guest_file_read_unsafe(GuestFileHandle *gfh,
355 int64_t count, Error **errp)
357 GuestFileRead *read_data = NULL;
363 buf = g_malloc0(count + 1);
364 is_ok = ReadFile(fh, buf, count, &read_count, NULL);
366 error_setg_win32(errp, GetLastError(), "failed to read file");
369 read_data = g_new0(GuestFileRead, 1);
370 read_data->count = (size_t)read_count;
371 read_data->eof = read_count == 0;
373 if (read_count != 0) {
374 read_data->buf_b64 = g_base64_encode(buf, read_count);
382 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
383 bool has_count, int64_t count,
386 GuestFileWrite *write_data = NULL;
391 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
398 buf = qbase64_decode(buf_b64, -1, &buf_len, errp);
405 } else if (count < 0 || count > buf_len) {
406 error_setg(errp, "value '%" PRId64
407 "' is invalid for argument count", count);
411 is_ok = WriteFile(fh, buf, count, &write_count, NULL);
413 error_setg_win32(errp, GetLastError(), "failed to write to file");
414 slog("guest-file-write-failed, handle: %" PRId64, handle);
416 write_data = g_new0(GuestFileWrite, 1);
417 write_data->count = (size_t) write_count;
425 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
426 GuestFileWhence *whence_code,
429 GuestFileHandle *gfh;
430 GuestFileSeek *seek_data;
432 LARGE_INTEGER new_pos, off_pos;
433 off_pos.QuadPart = offset;
438 gfh = guest_file_handle_find(handle, errp);
443 /* We stupidly exposed 'whence':'int' in our qapi */
444 whence = ga_parse_whence(whence_code, &err);
446 error_propagate(errp, err);
451 res = SetFilePointerEx(fh, off_pos, &new_pos, whence);
453 error_setg_win32(errp, GetLastError(), "failed to seek file");
456 seek_data = g_new0(GuestFileSeek, 1);
457 seek_data->position = new_pos.QuadPart;
461 void qmp_guest_file_flush(int64_t handle, Error **errp)
464 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
470 if (!FlushFileBuffers(fh)) {
471 error_setg_win32(errp, GetLastError(), "failed to flush file");
475 static GuestDiskBusType win2qemu[] = {
476 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN,
477 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI,
478 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE,
479 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE,
480 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394,
481 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA,
482 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA,
483 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB,
484 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID,
485 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI,
486 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS,
487 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA,
488 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD,
489 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC,
490 #if (_WIN32_WINNT >= 0x0601)
491 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL,
492 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL,
494 * BusTypeSpaces currently is not suported
496 [BusTypeSpaces] = GUEST_DISK_BUS_TYPE_UNKNOWN,
497 [BusTypeNvme] = GUEST_DISK_BUS_TYPE_NVME,
501 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus)
503 if (bus >= ARRAY_SIZE(win2qemu) || (int)bus < 0) {
504 return GUEST_DISK_BUS_TYPE_UNKNOWN;
506 return win2qemu[(int)bus];
509 DEFINE_GUID(GUID_DEVINTERFACE_DISK,
510 0x53f56307L, 0xb6bf, 0x11d0, 0x94, 0xf2,
511 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
512 DEFINE_GUID(GUID_DEVINTERFACE_STORAGEPORT,
513 0x2accfe60L, 0xc130, 0x11d2, 0xb0, 0x82,
514 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
516 static void get_pci_address_for_device(GuestPCIAddress *pci,
519 SP_DEVINFO_DATA dev_info_data;
522 bool partial_pci = false;
524 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
527 SetupDiEnumDeviceInfo(dev_info, j, &dev_info_data);
529 DWORD addr, bus, ui_slot, type;
531 size = sizeof(DWORD);
534 * There is no need to allocate buffer in the next functions. The
535 * size is known and ULONG according to
536 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx
538 if (!SetupDiGetDeviceRegistryProperty(
539 dev_info, &dev_info_data, SPDRP_BUSNUMBER,
540 &type, (PBYTE)&bus, size, NULL)) {
541 debug_error("failed to get PCI bus");
547 * The function retrieves the device's address. This value will be
548 * transformed into device function and number
550 if (!SetupDiGetDeviceRegistryProperty(
551 dev_info, &dev_info_data, SPDRP_ADDRESS,
552 &type, (PBYTE)&addr, size, NULL)) {
553 debug_error("failed to get PCI address");
559 * This call returns UINumber of DEVICE_CAPABILITIES structure.
560 * This number is typically a user-perceived slot number.
562 if (!SetupDiGetDeviceRegistryProperty(
563 dev_info, &dev_info_data, SPDRP_UI_NUMBER,
564 &type, (PBYTE)&ui_slot, size, NULL)) {
565 debug_error("failed to get PCI slot");
571 * SetupApi gives us the same information as driver with
572 * IoGetDeviceProperty. According to Microsoft:
574 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF)
575 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF)
576 * SPDRP_ADDRESS is propertyAddress, so we do the same.
578 * https://docs.microsoft.com/en-us/windows/desktop/api/setupapi/nf-setupapi-setupdigetdeviceregistrypropertya
587 func = ((int)addr == -1) ? -1 : addr & 0x0000FFFF;
588 slot = ((int)addr == -1) ? -1 : (addr >> 16) & 0x0000FFFF;
589 if ((int)ui_slot != slot) {
590 g_debug("mismatch with reported slot values: %d vs %d",
594 pci->slot = (int)ui_slot;
595 pci->function = func;
602 static GuestPCIAddress *get_pci_info(int number, Error **errp)
604 HDEVINFO dev_info = INVALID_HANDLE_VALUE;
605 HDEVINFO parent_dev_info = INVALID_HANDLE_VALUE;
607 SP_DEVINFO_DATA dev_info_data;
608 SP_DEVICE_INTERFACE_DATA dev_iface_data;
611 GuestPCIAddress *pci = NULL;
613 pci = g_malloc0(sizeof(*pci));
619 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0,
620 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
621 if (dev_info == INVALID_HANDLE_VALUE) {
622 error_setg_win32(errp, GetLastError(), "failed to get devices tree");
626 g_debug("enumerating devices");
627 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
628 dev_iface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
629 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
630 g_autofree PSP_DEVICE_INTERFACE_DETAIL_DATA pdev_iface_detail_data = NULL;
631 STORAGE_DEVICE_NUMBER sdn;
632 g_autofree char *parent_dev_id = NULL;
633 SP_DEVINFO_DATA parent_dev_info_data;
636 g_debug("getting device path");
637 if (SetupDiEnumDeviceInterfaces(dev_info, &dev_info_data,
638 &GUID_DEVINTERFACE_DISK, 0,
640 if (!SetupDiGetDeviceInterfaceDetail(dev_info, &dev_iface_data,
641 pdev_iface_detail_data,
644 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
645 pdev_iface_detail_data = g_malloc(size);
646 pdev_iface_detail_data->cbSize =
647 sizeof(*pdev_iface_detail_data);
649 error_setg_win32(errp, GetLastError(),
650 "failed to get device interfaces");
655 if (!SetupDiGetDeviceInterfaceDetail(dev_info, &dev_iface_data,
656 pdev_iface_detail_data,
659 // pdev_iface_detail_data already is allocated
660 error_setg_win32(errp, GetLastError(),
661 "failed to get device interfaces");
665 dev_file = CreateFile(pdev_iface_detail_data->DevicePath, 0,
666 FILE_SHARE_READ, NULL, OPEN_EXISTING, 0,
669 if (!DeviceIoControl(dev_file, IOCTL_STORAGE_GET_DEVICE_NUMBER,
670 NULL, 0, &sdn, sizeof(sdn), &size, NULL)) {
671 CloseHandle(dev_file);
672 error_setg_win32(errp, GetLastError(),
673 "failed to get device slot number");
677 CloseHandle(dev_file);
678 if (sdn.DeviceNumber != number) {
682 error_setg_win32(errp, GetLastError(),
683 "failed to get device interfaces");
687 g_debug("found device slot %d. Getting storage controller", number);
690 DEVINST dev_inst, parent_dev_inst;
691 ULONG dev_id_size = 0;
694 if (!SetupDiGetDeviceInstanceId(dev_info, &dev_info_data,
695 parent_dev_id, size, &size)) {
696 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
697 parent_dev_id = g_malloc(size);
699 error_setg_win32(errp, GetLastError(),
700 "failed to get device instance ID");
705 if (!SetupDiGetDeviceInstanceId(dev_info, &dev_info_data,
706 parent_dev_id, size, &size)) {
707 // parent_dev_id already is allocated
708 error_setg_win32(errp, GetLastError(),
709 "failed to get device instance ID");
714 * CM API used here as opposed to
715 * SetupDiGetDeviceProperty(..., DEVPKEY_Device_Parent, ...)
716 * which exports are only available in mingw-w64 6+
718 cr = CM_Locate_DevInst(&dev_inst, parent_dev_id, 0);
719 if (cr != CR_SUCCESS) {
720 g_error("CM_Locate_DevInst failed with code %lx", cr);
721 error_setg_win32(errp, GetLastError(),
722 "failed to get device instance");
725 cr = CM_Get_Parent(&parent_dev_inst, dev_inst, 0);
726 if (cr != CR_SUCCESS) {
727 g_error("CM_Get_Parent failed with code %lx", cr);
728 error_setg_win32(errp, GetLastError(),
729 "failed to get parent device instance");
733 cr = CM_Get_Device_ID_Size(&dev_id_size, parent_dev_inst, 0);
734 if (cr != CR_SUCCESS) {
735 g_error("CM_Get_Device_ID_Size failed with code %lx", cr);
736 error_setg_win32(errp, GetLastError(),
737 "failed to get parent device ID length");
742 if (dev_id_size > size) {
743 g_free(parent_dev_id);
744 parent_dev_id = g_malloc(dev_id_size);
747 cr = CM_Get_Device_ID(parent_dev_inst, parent_dev_id, dev_id_size,
749 if (cr != CR_SUCCESS) {
750 g_error("CM_Get_Device_ID failed with code %lx", cr);
751 error_setg_win32(errp, GetLastError(),
752 "failed to get parent device ID");
757 g_debug("querying storage controller %s for PCI information",
760 SetupDiGetClassDevs(&GUID_DEVINTERFACE_STORAGEPORT, parent_dev_id,
761 NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
763 if (parent_dev_info == INVALID_HANDLE_VALUE) {
764 error_setg_win32(errp, GetLastError(),
765 "failed to get parent device");
769 parent_dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
770 if (!SetupDiEnumDeviceInfo(parent_dev_info, 0, &parent_dev_info_data)) {
771 error_setg_win32(errp, GetLastError(),
772 "failed to get parent device data");
776 get_pci_address_for_device(pci, parent_dev_info);
782 if (parent_dev_info != INVALID_HANDLE_VALUE) {
783 SetupDiDestroyDeviceInfoList(parent_dev_info);
785 if (dev_info != INVALID_HANDLE_VALUE) {
786 SetupDiDestroyDeviceInfoList(dev_info);
791 static void get_disk_properties(HANDLE vol_h, GuestDiskAddress *disk,
794 STORAGE_PROPERTY_QUERY query;
795 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf;
797 ULONG size = sizeof(buf);
800 query.PropertyId = StorageDeviceProperty;
801 query.QueryType = PropertyStandardQuery;
803 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
804 sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
805 size, &received, NULL)) {
806 error_setg_win32(errp, GetLastError(), "failed to get bus type");
809 disk->bus_type = find_bus_type(dev_desc->BusType);
810 g_debug("bus type %d", disk->bus_type);
812 /* Query once more. Now with long enough buffer. */
813 size = dev_desc->Size;
814 dev_desc = g_malloc0(size);
815 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
816 sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
817 size, &received, NULL)) {
818 error_setg_win32(errp, GetLastError(), "failed to get serial number");
819 g_debug("failed to get serial number");
822 if (dev_desc->SerialNumberOffset > 0) {
826 if (dev_desc->SerialNumberOffset >= received) {
827 error_setg(errp, "failed to get serial number: offset outside the buffer");
828 g_debug("serial number offset outside the buffer");
831 serial = (char *)dev_desc + dev_desc->SerialNumberOffset;
832 len = received - dev_desc->SerialNumberOffset;
833 g_debug("serial number \"%s\"", serial);
835 disk->serial = g_strndup(serial, len);
836 disk->has_serial = true;
845 static void get_single_disk_info(int disk_number,
846 GuestDiskAddress *disk, Error **errp)
848 SCSI_ADDRESS addr, *scsi_ad;
851 Error *local_err = NULL;
855 g_debug("getting disk info for: %s", disk->dev);
856 disk_h = CreateFile(disk->dev, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
858 if (disk_h == INVALID_HANDLE_VALUE) {
859 error_setg_win32(errp, GetLastError(), "failed to open disk");
863 get_disk_properties(disk_h, disk, &local_err);
865 error_propagate(errp, local_err);
869 g_debug("bus type %d", disk->bus_type);
870 /* always set pci_controller as required by schema. get_pci_info() should
871 * report -1 values for non-PCI buses rather than fail. fail the command
872 * if that doesn't hold since that suggests some other unexpected
875 disk->pci_controller = get_pci_info(disk_number, &local_err);
877 error_propagate(errp, local_err);
880 if (disk->bus_type == GUEST_DISK_BUS_TYPE_SCSI
881 || disk->bus_type == GUEST_DISK_BUS_TYPE_IDE
882 || disk->bus_type == GUEST_DISK_BUS_TYPE_RAID
883 /* This bus type is not supported before Windows Server 2003 SP1 */
884 || disk->bus_type == GUEST_DISK_BUS_TYPE_SAS
886 /* We are able to use the same ioctls for different bus types
887 * according to Microsoft docs
888 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */
889 g_debug("getting SCSI info");
890 if (DeviceIoControl(disk_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad,
891 sizeof(SCSI_ADDRESS), &len, NULL)) {
892 disk->unit = addr.Lun;
893 disk->target = addr.TargetId;
894 disk->bus = addr.PathId;
896 /* We do not set error in this case, because we still have enough
897 * information about volume. */
905 /* VSS provider works with volumes, thus there is no difference if
906 * the volume consist of spanned disks. Info about the first disk in the
907 * volume is returned for the spanned disk group (LVM) */
908 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
910 Error *local_err = NULL;
911 GuestDiskAddressList *list = NULL;
912 GuestDiskAddress *disk = NULL;
916 PVOLUME_DISK_EXTENTS extents = NULL;
918 /* strip final backslash */
919 char *name = g_strdup(guid);
920 if (g_str_has_suffix(name, "\\")) {
921 name[strlen(name) - 1] = 0;
924 g_debug("opening %s", name);
925 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
927 if (vol_h == INVALID_HANDLE_VALUE) {
928 error_setg_win32(errp, GetLastError(), "failed to open volume");
932 /* Get list of extents */
933 g_debug("getting disk extents");
934 size = sizeof(VOLUME_DISK_EXTENTS);
935 extents = g_malloc0(size);
936 if (!DeviceIoControl(vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL,
937 0, extents, size, &size, NULL)) {
938 DWORD last_err = GetLastError();
939 if (last_err == ERROR_MORE_DATA) {
940 /* Try once more with big enough buffer */
942 extents = g_malloc0(size);
943 if (!DeviceIoControl(
944 vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL,
945 0, extents, size, NULL, NULL)) {
946 error_setg_win32(errp, GetLastError(),
947 "failed to get disk extents");
950 } else if (last_err == ERROR_INVALID_FUNCTION) {
951 /* Possibly CD-ROM or a shared drive. Try to pass the volume */
952 g_debug("volume not on disk");
953 disk = g_new0(GuestDiskAddress, 1);
954 disk->has_dev = true;
955 disk->dev = g_strdup(name);
956 get_single_disk_info(0xffffffff, disk, &local_err);
958 g_debug("failed to get disk info, ignoring error: %s",
959 error_get_pretty(local_err));
960 error_free(local_err);
963 QAPI_LIST_PREPEND(list, disk);
967 error_setg_win32(errp, GetLastError(),
968 "failed to get disk extents");
972 g_debug("Number of extents: %lu", extents->NumberOfDiskExtents);
974 /* Go through each extent */
975 for (i = 0; i < extents->NumberOfDiskExtents; i++) {
976 disk = g_new0(GuestDiskAddress, 1);
978 /* Disk numbers directly correspond to numbers used in UNCs
980 * See documentation for DISK_EXTENT:
981 * https://docs.microsoft.com/en-us/windows/desktop/api/winioctl/ns-winioctl-_disk_extent
983 * See also Naming Files, Paths and Namespaces:
984 * https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#win32-device-namespaces
986 disk->has_dev = true;
987 disk->dev = g_strdup_printf("\\\\.\\PhysicalDrive%lu",
988 extents->Extents[i].DiskNumber);
990 get_single_disk_info(extents->Extents[i].DiskNumber, disk, &local_err);
992 error_propagate(errp, local_err);
995 QAPI_LIST_PREPEND(list, disk);
1001 if (vol_h != INVALID_HANDLE_VALUE) {
1004 qapi_free_GuestDiskAddress(disk);
1011 GuestDiskInfoList *qmp_guest_get_disks(Error **errp)
1013 GuestDiskInfoList *ret = NULL;
1015 SP_DEVICE_INTERFACE_DATA dev_iface_data;
1018 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0,
1019 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
1020 if (dev_info == INVALID_HANDLE_VALUE) {
1021 error_setg_win32(errp, GetLastError(), "failed to get device tree");
1025 g_debug("enumerating devices");
1026 dev_iface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
1028 SetupDiEnumDeviceInterfaces(dev_info, NULL, &GUID_DEVINTERFACE_DISK,
1029 i, &dev_iface_data);
1031 GuestDiskAddress *address = NULL;
1032 GuestDiskInfo *disk = NULL;
1033 Error *local_err = NULL;
1034 g_autofree PSP_DEVICE_INTERFACE_DETAIL_DATA
1035 pdev_iface_detail_data = NULL;
1036 STORAGE_DEVICE_NUMBER sdn;
1042 g_debug(" getting device path");
1043 for (attempt = 0, result = FALSE; attempt < 2 && !result; attempt++) {
1044 result = SetupDiGetDeviceInterfaceDetail(dev_info,
1045 &dev_iface_data, pdev_iface_detail_data, size, &size, NULL);
1049 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
1050 pdev_iface_detail_data = g_realloc(pdev_iface_detail_data,
1052 pdev_iface_detail_data->cbSize =
1053 sizeof(*pdev_iface_detail_data);
1055 g_debug("failed to get device interface details");
1060 g_debug("skipping device");
1064 g_debug(" device: %s", pdev_iface_detail_data->DevicePath);
1065 dev_file = CreateFile(pdev_iface_detail_data->DevicePath, 0,
1066 FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
1067 if (!DeviceIoControl(dev_file, IOCTL_STORAGE_GET_DEVICE_NUMBER,
1068 NULL, 0, &sdn, sizeof(sdn), &size, NULL)) {
1069 CloseHandle(dev_file);
1070 debug_error("failed to get storage device number");
1073 CloseHandle(dev_file);
1075 disk = g_new0(GuestDiskInfo, 1);
1076 disk->name = g_strdup_printf("\\\\.\\PhysicalDrive%lu",
1079 g_debug(" number: %lu", sdn.DeviceNumber);
1080 address = g_new0(GuestDiskAddress, 1);
1081 address->has_dev = true;
1082 address->dev = g_strdup(disk->name);
1083 get_single_disk_info(sdn.DeviceNumber, address, &local_err);
1085 g_debug("failed to get disk info: %s",
1086 error_get_pretty(local_err));
1087 error_free(local_err);
1088 qapi_free_GuestDiskAddress(address);
1091 disk->address = address;
1092 disk->has_address = true;
1095 QAPI_LIST_PREPEND(ret, disk);
1098 SetupDiDestroyDeviceInfoList(dev_info);
1102 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp)
1105 char mnt, *mnt_point;
1106 wchar_t wfs_name[32];
1108 wchar_t vol_info[MAX_PATH + 1];
1110 uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes;
1111 GuestFilesystemInfo *fs = NULL;
1112 HANDLE hLocalDiskHandle = INVALID_HANDLE_VALUE;
1114 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size);
1115 if (GetLastError() != ERROR_MORE_DATA) {
1116 error_setg_win32(errp, GetLastError(), "failed to get volume name");
1120 mnt_point = g_malloc(info_size + 1);
1121 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size,
1123 error_setg_win32(errp, GetLastError(), "failed to get volume name");
1127 hLocalDiskHandle = CreateFile(guid, 0 , 0, NULL, OPEN_EXISTING,
1128 FILE_ATTRIBUTE_NORMAL |
1129 FILE_FLAG_BACKUP_SEMANTICS, NULL);
1130 if (INVALID_HANDLE_VALUE == hLocalDiskHandle) {
1131 error_setg_win32(errp, GetLastError(), "failed to get handle for volume");
1135 len = strlen(mnt_point);
1136 mnt_point[len] = '\\';
1137 mnt_point[len + 1] = 0;
1139 if (!GetVolumeInformationByHandleW(hLocalDiskHandle, vol_info,
1140 sizeof(vol_info), NULL, NULL, NULL,
1141 (LPWSTR) & wfs_name, sizeof(wfs_name))) {
1142 if (GetLastError() != ERROR_NOT_READY) {
1143 error_setg_win32(errp, GetLastError(), "failed to get volume info");
1148 fs = g_malloc(sizeof(*fs));
1149 fs->name = g_strdup(guid);
1150 fs->has_total_bytes = false;
1151 fs->has_used_bytes = false;
1153 fs->mountpoint = g_strdup("System Reserved");
1155 fs->mountpoint = g_strndup(mnt_point, len);
1156 if (GetDiskFreeSpaceEx(fs->mountpoint,
1157 (PULARGE_INTEGER) & i64FreeBytesToCaller,
1158 (PULARGE_INTEGER) & i64TotalBytes,
1159 (PULARGE_INTEGER) & i64FreeBytes)) {
1160 fs->used_bytes = i64TotalBytes - i64FreeBytes;
1161 fs->total_bytes = i64TotalBytes;
1162 fs->has_total_bytes = true;
1163 fs->has_used_bytes = true;
1166 wcstombs(fs_name, wfs_name, sizeof(wfs_name));
1167 fs->type = g_strdup(fs_name);
1168 fs->disk = build_guest_disk_info(guid, errp);
1170 if (hLocalDiskHandle != INVALID_HANDLE_VALUE) {
1171 CloseHandle(hLocalDiskHandle);
1177 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp)
1180 GuestFilesystemInfoList *ret = NULL;
1183 vol_h = FindFirstVolume(guid, sizeof(guid));
1184 if (vol_h == INVALID_HANDLE_VALUE) {
1185 error_setg_win32(errp, GetLastError(), "failed to find any volume");
1190 Error *local_err = NULL;
1191 GuestFilesystemInfo *info = build_guest_fsinfo(guid, &local_err);
1193 g_debug("failed to get filesystem info, ignoring error: %s",
1194 error_get_pretty(local_err));
1195 error_free(local_err);
1198 QAPI_LIST_PREPEND(ret, info);
1199 } while (FindNextVolume(vol_h, guid, sizeof(guid)));
1201 if (GetLastError() != ERROR_NO_MORE_FILES) {
1202 error_setg_win32(errp, GetLastError(), "failed to find next volume");
1205 FindVolumeClose(vol_h);
1210 * Return status of freeze/thaw
1212 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
1214 if (!vss_initialized()) {
1215 error_setg(errp, QERR_UNSUPPORTED);
1219 if (ga_is_frozen(ga_state)) {
1220 return GUEST_FSFREEZE_STATUS_FROZEN;
1223 return GUEST_FSFREEZE_STATUS_THAWED;
1227 * Freeze local file systems using Volume Shadow-copy Service.
1228 * The frozen state is limited for up to 10 seconds by VSS.
1230 int64_t qmp_guest_fsfreeze_freeze(Error **errp)
1232 return qmp_guest_fsfreeze_freeze_list(false, NULL, errp);
1235 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints,
1236 strList *mountpoints,
1240 Error *local_err = NULL;
1242 if (!vss_initialized()) {
1243 error_setg(errp, QERR_UNSUPPORTED);
1247 slog("guest-fsfreeze called");
1249 /* cannot risk guest agent blocking itself on a write in this state */
1250 ga_set_frozen(ga_state);
1252 qga_vss_fsfreeze(&i, true, mountpoints, &local_err);
1254 error_propagate(errp, local_err);
1262 qmp_guest_fsfreeze_thaw(&local_err);
1264 g_debug("cleanup thaw: %s", error_get_pretty(local_err));
1265 error_free(local_err);
1271 * Thaw local file systems using Volume Shadow-copy Service.
1273 int64_t qmp_guest_fsfreeze_thaw(Error **errp)
1277 if (!vss_initialized()) {
1278 error_setg(errp, QERR_UNSUPPORTED);
1282 qga_vss_fsfreeze(&i, false, NULL, errp);
1284 ga_unset_frozen(ga_state);
1288 static void guest_fsfreeze_cleanup(void)
1292 if (!vss_initialized()) {
1296 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) {
1297 qmp_guest_fsfreeze_thaw(&err);
1299 slog("failed to clean up frozen filesystems: %s",
1300 error_get_pretty(err));
1309 * Walk list of mounted file systems in the guest, and discard unused
1312 GuestFilesystemTrimResponse *
1313 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
1315 GuestFilesystemTrimResponse *resp;
1317 WCHAR guid[MAX_PATH] = L"";
1321 ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
1322 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1323 GetVersionEx(&osvi);
1324 win8_or_later = (osvi.dwMajorVersion > 6 ||
1325 ((osvi.dwMajorVersion == 6) &&
1326 (osvi.dwMinorVersion >= 2)));
1327 if (!win8_or_later) {
1328 error_setg(errp, "fstrim is only supported for Win8+");
1332 handle = FindFirstVolumeW(guid, ARRAYSIZE(guid));
1333 if (handle == INVALID_HANDLE_VALUE) {
1334 error_setg_win32(errp, GetLastError(), "failed to find any volume");
1338 resp = g_new0(GuestFilesystemTrimResponse, 1);
1341 GuestFilesystemTrimResult *res;
1343 DWORD char_count = 0;
1345 GError *gerr = NULL;
1348 GetVolumePathNamesForVolumeNameW(guid, NULL, 0, &char_count);
1350 if (GetLastError() != ERROR_MORE_DATA) {
1353 if (GetDriveTypeW(guid) != DRIVE_FIXED) {
1357 uc_path = g_new(WCHAR, char_count);
1358 if (!GetVolumePathNamesForVolumeNameW(guid, uc_path, char_count,
1359 &char_count) || !*uc_path) {
1360 /* strange, but this condition could be faced even with size == 2 */
1365 res = g_new0(GuestFilesystemTrimResult, 1);
1367 path = g_utf16_to_utf8(uc_path, char_count, NULL, NULL, &gerr);
1372 res->has_error = true;
1373 res->error = g_strdup(gerr->message);
1380 QAPI_LIST_PREPEND(resp->paths, res);
1382 memset(argv, 0, sizeof(argv));
1383 argv[0] = (gchar *)"defrag.exe";
1384 argv[1] = (gchar *)"/L";
1387 if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
1388 &out /* stdout */, NULL /* stdin */,
1390 res->has_error = true;
1391 res->error = g_strdup(gerr->message);
1394 /* defrag.exe is UGLY. Exit code is ALWAYS zero.
1395 Error is reported in the output with something like
1396 (x89000020) etc code in the stdout */
1399 gchar **lines = g_strsplit(out, "\r\n", 0);
1402 for (i = 0; lines[i] != NULL; i++) {
1403 if (g_strstr_len(lines[i], -1, "(0x") == NULL) {
1406 res->has_error = true;
1407 res->error = g_strdup(lines[i]);
1412 } while (FindNextVolumeW(handle, guid, ARRAYSIZE(guid)));
1414 FindVolumeClose(handle);
1419 GUEST_SUSPEND_MODE_DISK,
1420 GUEST_SUSPEND_MODE_RAM
1423 static void check_suspend_mode(GuestSuspendMode mode, Error **errp)
1425 SYSTEM_POWER_CAPABILITIES sys_pwr_caps;
1427 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
1428 if (!GetPwrCapabilities(&sys_pwr_caps)) {
1429 error_setg(errp, QERR_QGA_COMMAND_FAILED,
1430 "failed to determine guest suspend capabilities");
1435 case GUEST_SUSPEND_MODE_DISK:
1436 if (!sys_pwr_caps.SystemS4) {
1437 error_setg(errp, QERR_QGA_COMMAND_FAILED,
1438 "suspend-to-disk not supported by OS");
1441 case GUEST_SUSPEND_MODE_RAM:
1442 if (!sys_pwr_caps.SystemS3) {
1443 error_setg(errp, QERR_QGA_COMMAND_FAILED,
1444 "suspend-to-ram not supported by OS");
1452 static DWORD WINAPI do_suspend(LPVOID opaque)
1454 GuestSuspendMode *mode = opaque;
1457 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) {
1458 g_autofree gchar *emsg = g_win32_error_message(GetLastError());
1459 slog("failed to suspend guest: %s", emsg);
1466 void qmp_guest_suspend_disk(Error **errp)
1468 Error *local_err = NULL;
1469 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
1471 *mode = GUEST_SUSPEND_MODE_DISK;
1472 check_suspend_mode(*mode, &local_err);
1476 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
1480 execute_async(do_suspend, mode, &local_err);
1484 error_propagate(errp, local_err);
1489 void qmp_guest_suspend_ram(Error **errp)
1491 Error *local_err = NULL;
1492 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
1494 *mode = GUEST_SUSPEND_MODE_RAM;
1495 check_suspend_mode(*mode, &local_err);
1499 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
1503 execute_async(do_suspend, mode, &local_err);
1507 error_propagate(errp, local_err);
1512 void qmp_guest_suspend_hybrid(Error **errp)
1514 error_setg(errp, QERR_UNSUPPORTED);
1517 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp)
1519 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL;
1520 ULONG adptr_addrs_len = 0;
1523 /* Call the first time to get the adptr_addrs_len. */
1524 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
1525 NULL, adptr_addrs, &adptr_addrs_len);
1527 adptr_addrs = g_malloc(adptr_addrs_len);
1528 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
1529 NULL, adptr_addrs, &adptr_addrs_len);
1530 if (ret != ERROR_SUCCESS) {
1531 error_setg_win32(errp, ret, "failed to get adapters addresses");
1532 g_free(adptr_addrs);
1538 static char *guest_wctomb_dup(WCHAR *wstr)
1543 str_size = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL);
1544 /* add 1 to str_size for NULL terminator */
1545 str = g_malloc(str_size + 1);
1546 WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, str_size, NULL, NULL);
1550 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr,
1553 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN];
1557 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET ||
1558 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1559 len = sizeof(addr_str);
1560 ret = WSAAddressToString(ip_addr->Address.lpSockaddr,
1561 ip_addr->Address.iSockaddrLength,
1566 error_setg_win32(errp, WSAGetLastError(),
1567 "failed address presentation form conversion");
1570 return g_strdup(addr_str);
1575 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
1577 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength
1578 * field to obtain the prefix.
1580 return ip_addr->OnLinkPrefixLength;
1583 #define INTERFACE_PATH_BUF_SZ 512
1585 static DWORD get_interface_index(const char *guid)
1589 wchar_t wbuf[INTERFACE_PATH_BUF_SZ];
1590 snwprintf(wbuf, INTERFACE_PATH_BUF_SZ, L"\\device\\tcpip_%s", guid);
1591 wbuf[INTERFACE_PATH_BUF_SZ - 1] = 0;
1592 status = GetAdapterIndex (wbuf, &index);
1593 if (status != NO_ERROR) {
1600 typedef NETIOAPI_API (WINAPI *GetIfEntry2Func)(PMIB_IF_ROW2 Row);
1602 static int guest_get_network_stats(const char *name,
1603 GuestNetworkInterfaceStat *stats)
1605 OSVERSIONINFO os_ver;
1607 os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1608 GetVersionEx(&os_ver);
1609 if (os_ver.dwMajorVersion >= 6) {
1610 MIB_IF_ROW2 a_mid_ifrow;
1611 GetIfEntry2Func getifentry2_ex;
1613 HMODULE module = GetModuleHandle("iphlpapi");
1614 PVOID func = GetProcAddress(module, "GetIfEntry2");
1620 getifentry2_ex = (GetIfEntry2Func)func;
1621 if_index = get_interface_index(name);
1622 if (if_index == (DWORD)~0) {
1626 memset(&a_mid_ifrow, 0, sizeof(a_mid_ifrow));
1627 a_mid_ifrow.InterfaceIndex = if_index;
1628 if (NO_ERROR == getifentry2_ex(&a_mid_ifrow)) {
1629 stats->rx_bytes = a_mid_ifrow.InOctets;
1630 stats->rx_packets = a_mid_ifrow.InUcastPkts;
1631 stats->rx_errs = a_mid_ifrow.InErrors;
1632 stats->rx_dropped = a_mid_ifrow.InDiscards;
1633 stats->tx_bytes = a_mid_ifrow.OutOctets;
1634 stats->tx_packets = a_mid_ifrow.OutUcastPkts;
1635 stats->tx_errs = a_mid_ifrow.OutErrors;
1636 stats->tx_dropped = a_mid_ifrow.OutDiscards;
1643 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
1645 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr;
1646 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL;
1647 GuestNetworkInterfaceList *head = NULL, **tail = &head;
1648 GuestIpAddressList *head_addr, **tail_addr;
1649 GuestNetworkInterface *info;
1650 GuestNetworkInterfaceStat *interface_stat = NULL;
1651 GuestIpAddress *address_item = NULL;
1652 unsigned char *mac_addr;
1658 adptr_addrs = guest_get_adapters_addresses(errp);
1659 if (adptr_addrs == NULL) {
1663 /* Make WSA APIs available. */
1664 wsa_version = MAKEWORD(2, 2);
1665 ret = WSAStartup(wsa_version, &wsa_data);
1667 error_setg_win32(errp, ret, "failed socket startup");
1671 for (addr = adptr_addrs; addr; addr = addr->Next) {
1672 info = g_malloc0(sizeof(*info));
1674 QAPI_LIST_APPEND(tail, info);
1676 info->name = guest_wctomb_dup(addr->FriendlyName);
1678 if (addr->PhysicalAddressLength != 0) {
1679 mac_addr = addr->PhysicalAddress;
1681 info->hardware_address =
1682 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x",
1683 (int) mac_addr[0], (int) mac_addr[1],
1684 (int) mac_addr[2], (int) mac_addr[3],
1685 (int) mac_addr[4], (int) mac_addr[5]);
1687 info->has_hardware_address = true;
1691 tail_addr = &head_addr;
1692 for (ip_addr = addr->FirstUnicastAddress;
1694 ip_addr = ip_addr->Next) {
1695 addr_str = guest_addr_to_str(ip_addr, errp);
1696 if (addr_str == NULL) {
1700 address_item = g_malloc0(sizeof(*address_item));
1702 QAPI_LIST_APPEND(tail_addr, address_item);
1704 address_item->ip_address = addr_str;
1705 address_item->prefix = guest_ip_prefix(ip_addr);
1706 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) {
1707 address_item->ip_address_type = GUEST_IP_ADDRESS_TYPE_IPV4;
1708 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1709 address_item->ip_address_type = GUEST_IP_ADDRESS_TYPE_IPV6;
1713 info->has_ip_addresses = true;
1714 info->ip_addresses = head_addr;
1716 if (!info->has_statistics) {
1717 interface_stat = g_malloc0(sizeof(*interface_stat));
1718 if (guest_get_network_stats(addr->AdapterName,
1719 interface_stat) == -1) {
1720 info->has_statistics = false;
1721 g_free(interface_stat);
1723 info->statistics = interface_stat;
1724 info->has_statistics = true;
1730 g_free(adptr_addrs);
1734 static int64_t filetime_to_ns(const FILETIME *tf)
1736 return ((((int64_t)tf->dwHighDateTime << 32) | tf->dwLowDateTime)
1737 - W32_FT_OFFSET) * 100;
1740 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp)
1742 Error *local_err = NULL;
1748 /* Unfortunately, Windows libraries don't provide an easy way to access
1751 * https://msdn.microsoft.com/en-us/library/aa908981.aspx
1753 * Instead, a workaround is to use the Windows win32tm command to
1754 * resync the time using the Windows Time service.
1759 HRESULT hr = system("w32tm /resync /nowait");
1761 if (GetLastError() != 0) {
1762 strerror_s((LPTSTR) & msg_buffer, 0, errno);
1763 error_setg(errp, "system(...) failed: %s", (LPCTSTR)msg_buffer);
1764 } else if (hr != 0) {
1765 if (hr == HRESULT_FROM_WIN32(ERROR_SERVICE_NOT_ACTIVE)) {
1766 error_setg(errp, "Windows Time service not running on the "
1769 if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
1770 FORMAT_MESSAGE_FROM_SYSTEM |
1771 FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
1772 (DWORD)hr, MAKELANGID(LANG_NEUTRAL,
1773 SUBLANG_DEFAULT), (LPTSTR) & msg_buffer, 0,
1775 error_setg(errp, "w32tm failed with error (0x%lx), couldn'"
1776 "t retrieve error message", hr);
1778 error_setg(errp, "w32tm failed with error (0x%lx): %s", hr,
1779 (LPCTSTR)msg_buffer);
1780 LocalFree(msg_buffer);
1783 } else if (!InternetGetConnectedState(&ret_flags, 0)) {
1784 error_setg(errp, "No internet connection on guest, sync not "
1790 /* Validate time passed by user. */
1791 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) {
1792 error_setg(errp, "Time %" PRId64 "is invalid", time_ns);
1796 time = time_ns / 100 + W32_FT_OFFSET;
1798 tf.dwLowDateTime = (DWORD) time;
1799 tf.dwHighDateTime = (DWORD) (time >> 32);
1801 if (!FileTimeToSystemTime(&tf, &ts)) {
1802 error_setg(errp, "Failed to convert system time %d",
1803 (int)GetLastError());
1807 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err);
1809 error_propagate(errp, local_err);
1813 if (!SetSystemTime(&ts)) {
1814 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError());
1819 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
1821 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr;
1823 GuestLogicalProcessorList *head, **tail;
1824 Error *local_err = NULL;
1833 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) &&
1834 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) &&
1835 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) {
1836 ptr = pslpi = g_malloc0(length);
1837 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) {
1838 error_setg(&local_err, "Failed to get processor information: %d",
1839 (int)GetLastError());
1842 error_setg(&local_err,
1843 "Failed to get processor information buffer length: %d",
1844 (int)GetLastError());
1847 while ((local_err == NULL) && (length > 0)) {
1848 if (pslpi->Relationship == RelationProcessorCore) {
1849 ULONG_PTR cpu_bits = pslpi->ProcessorMask;
1851 while (cpu_bits > 0) {
1852 if (!!(cpu_bits & 1)) {
1853 GuestLogicalProcessor *vcpu;
1855 vcpu = g_malloc0(sizeof *vcpu);
1856 vcpu->logical_id = current++;
1857 vcpu->online = true;
1858 vcpu->has_can_offline = true;
1860 QAPI_LIST_APPEND(tail, vcpu);
1865 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION);
1866 pslpi++; /* next entry */
1871 if (local_err == NULL) {
1875 /* there's no guest with zero VCPUs */
1876 error_setg(&local_err, "Guest reported zero VCPUs");
1879 qapi_free_GuestLogicalProcessorList(head);
1880 error_propagate(errp, local_err);
1884 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
1886 error_setg(errp, QERR_UNSUPPORTED);
1891 get_net_error_message(gint error)
1893 HMODULE module = NULL;
1894 gchar *retval = NULL;
1895 wchar_t *msg = NULL;
1899 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER |
1900 FORMAT_MESSAGE_IGNORE_INSERTS |
1901 FORMAT_MESSAGE_FROM_SYSTEM;
1903 if (error >= NERR_BASE && error <= MAX_NERR) {
1904 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
1906 if (module != NULL) {
1907 flags |= FORMAT_MESSAGE_FROM_HMODULE;
1911 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL);
1914 nchars = wcslen(msg);
1917 msg[nchars - 1] == L'\n' &&
1918 msg[nchars - 2] == L'\r') {
1919 msg[nchars - 2] = L'\0';
1922 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL);
1927 if (module != NULL) {
1928 FreeLibrary(module);
1934 void qmp_guest_set_user_password(const char *username,
1935 const char *password,
1940 char *rawpasswddata = NULL;
1941 size_t rawpasswdlen;
1942 wchar_t *user = NULL, *wpass = NULL;
1943 USER_INFO_1003 pi1003 = { 0, };
1944 GError *gerr = NULL;
1947 error_setg(errp, QERR_UNSUPPORTED);
1951 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp);
1952 if (!rawpasswddata) {
1955 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1);
1956 rawpasswddata[rawpasswdlen] = '\0';
1958 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr);
1963 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr);
1968 pi1003.usri1003_password = wpass;
1969 nas = NetUserSetInfo(NULL, user,
1970 1003, (LPBYTE)&pi1003,
1973 if (nas != NERR_Success) {
1974 gchar *msg = get_net_error_message(nas);
1975 error_setg(errp, "failed to set password: %s", msg);
1981 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
1986 g_free(rawpasswddata);
1989 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
1991 error_setg(errp, QERR_UNSUPPORTED);
1995 GuestMemoryBlockResponseList *
1996 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp)
1998 error_setg(errp, QERR_UNSUPPORTED);
2002 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp)
2004 error_setg(errp, QERR_UNSUPPORTED);
2008 /* add unsupported commands to the list of blocked RPCs */
2009 GList *ga_command_init_blockedrpcs(GList *blockedrpcs)
2011 const char *list_unsupported[] = {
2012 "guest-suspend-hybrid",
2014 "guest-get-memory-blocks", "guest-set-memory-blocks",
2015 "guest-get-memory-block-size", "guest-get-memory-block-info",
2017 char **p = (char **)list_unsupported;
2020 blockedrpcs = g_list_append(blockedrpcs, g_strdup(*p++));
2023 if (!vss_init(true)) {
2024 g_debug("vss_init failed, vss commands are going to be disabled");
2025 const char *list[] = {
2026 "guest-get-fsinfo", "guest-fsfreeze-status",
2027 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL};
2031 blockedrpcs = g_list_append(blockedrpcs, g_strdup(*p++));
2038 /* register init/cleanup routines for stateful command groups */
2039 void ga_command_state_init(GAState *s, GACommandState *cs)
2041 if (!vss_initialized()) {
2042 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
2046 /* MINGW is missing two fields: IncomingFrames & OutgoingFrames */
2047 typedef struct _GA_WTSINFOA {
2048 WTS_CONNECTSTATE_CLASS State;
2050 DWORD IncomingBytes;
2051 DWORD OutgoingBytes;
2052 DWORD IncomingFrames;
2053 DWORD OutgoingFrames;
2054 DWORD IncomingCompressedBytes;
2055 DWORD OutgoingCompressedBy;
2056 CHAR WinStationName[WINSTATIONNAME_LENGTH];
2057 CHAR Domain[DOMAIN_LENGTH];
2058 CHAR UserName[USERNAME_LENGTH + 1];
2059 LARGE_INTEGER ConnectTime;
2060 LARGE_INTEGER DisconnectTime;
2061 LARGE_INTEGER LastInputTime;
2062 LARGE_INTEGER LogonTime;
2063 LARGE_INTEGER CurrentTime;
2067 GuestUserList *qmp_guest_get_users(Error **errp)
2069 #define QGA_NANOSECONDS 10000000
2071 GHashTable *cache = NULL;
2072 GuestUserList *head = NULL, **tail = &head;
2074 DWORD buffer_size = 0, count = 0, i = 0;
2075 GA_WTSINFOA *info = NULL;
2076 WTS_SESSION_INFOA *entries = NULL;
2077 GuestUser *user = NULL;
2078 gpointer value = NULL;
2080 double login_time = 0;
2082 cache = g_hash_table_new(g_str_hash, g_str_equal);
2084 if (WTSEnumerateSessionsA(NULL, 0, 1, &entries, &count)) {
2085 for (i = 0; i < count; ++i) {
2088 if (WTSQuerySessionInformationA(
2090 entries[i].SessionId,
2096 if (strlen(info->UserName) == 0) {
2097 WTSFreeMemory(info);
2101 login = info->LogonTime.QuadPart;
2102 login -= W32_FT_OFFSET;
2103 login_time = ((double)login) / QGA_NANOSECONDS;
2105 if (g_hash_table_contains(cache, info->UserName)) {
2106 value = g_hash_table_lookup(cache, info->UserName);
2107 user = (GuestUser *)value;
2108 if (user->login_time > login_time) {
2109 user->login_time = login_time;
2112 user = g_new0(GuestUser, 1);
2114 user->user = g_strdup(info->UserName);
2115 user->domain = g_strdup(info->Domain);
2116 user->has_domain = true;
2118 user->login_time = login_time;
2120 g_hash_table_add(cache, user->user);
2122 QAPI_LIST_APPEND(tail, user);
2125 WTSFreeMemory(info);
2127 WTSFreeMemory(entries);
2129 g_hash_table_destroy(cache);
2133 typedef struct _ga_matrix_lookup_t {
2136 char const *version;
2137 char const *version_id;
2138 } ga_matrix_lookup_t;
2140 static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][7] = {
2142 /* Desktop editions */
2143 { 5, 0, "Microsoft Windows 2000", "2000"},
2144 { 5, 1, "Microsoft Windows XP", "xp"},
2145 { 6, 0, "Microsoft Windows Vista", "vista"},
2146 { 6, 1, "Microsoft Windows 7" "7"},
2147 { 6, 2, "Microsoft Windows 8", "8"},
2148 { 6, 3, "Microsoft Windows 8.1", "8.1"},
2151 /* Server editions */
2152 { 5, 2, "Microsoft Windows Server 2003", "2003"},
2153 { 6, 0, "Microsoft Windows Server 2008", "2008"},
2154 { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"},
2155 { 6, 2, "Microsoft Windows Server 2012", "2012"},
2156 { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"},
2162 typedef struct _ga_win_10_0_t {
2164 char const *version;
2165 char const *version_id;
2168 static ga_win_10_0_t const WIN_10_0_SERVER_VERSION_MATRIX[4] = {
2169 {14393, "Microsoft Windows Server 2016", "2016"},
2170 {17763, "Microsoft Windows Server 2019", "2019"},
2171 {20344, "Microsoft Windows Server 2022", "2022"},
2175 static ga_win_10_0_t const WIN_10_0_CLIENT_VERSION_MATRIX[3] = {
2176 {10240, "Microsoft Windows 10", "10"},
2177 {22000, "Microsoft Windows 11", "11"},
2181 static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp)
2183 typedef NTSTATUS(WINAPI *rtl_get_version_t)(
2184 RTL_OSVERSIONINFOEXW *os_version_info_ex);
2186 info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW);
2188 HMODULE module = GetModuleHandle("ntdll");
2189 PVOID fun = GetProcAddress(module, "RtlGetVersion");
2191 error_setg(errp, QERR_QGA_COMMAND_FAILED,
2192 "Failed to get address of RtlGetVersion");
2196 rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun;
2197 rtl_get_version(info);
2201 static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id)
2203 DWORD major = os_version->dwMajorVersion;
2204 DWORD minor = os_version->dwMinorVersion;
2205 DWORD build = os_version->dwBuildNumber;
2206 int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION);
2207 ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx];
2208 ga_win_10_0_t const *win_10_0_table = tbl_idx ?
2209 WIN_10_0_SERVER_VERSION_MATRIX : WIN_10_0_CLIENT_VERSION_MATRIX;
2210 ga_win_10_0_t const *win_10_0_version = NULL;
2211 while (table->version != NULL) {
2212 if (major == 10 && minor == 0) {
2213 while (win_10_0_table->version != NULL) {
2214 if (build >= win_10_0_table->first_build) {
2215 win_10_0_version = win_10_0_table;
2219 if (win_10_0_table) {
2221 return g_strdup(win_10_0_version->version_id);
2223 return g_strdup(win_10_0_version->version);
2226 } else if (major == table->major && minor == table->minor) {
2228 return g_strdup(table->version_id);
2230 return g_strdup(table->version);
2235 slog("failed to lookup Windows version: major=%lu, minor=%lu",
2237 return g_strdup("N/A");
2240 static char *ga_get_win_product_name(Error **errp)
2242 HKEY key = INVALID_HANDLE_VALUE;
2244 char *result = g_malloc0(size);
2245 LONG err = ERROR_SUCCESS;
2247 err = RegOpenKeyA(HKEY_LOCAL_MACHINE,
2248 "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion",
2250 if (err != ERROR_SUCCESS) {
2251 error_setg_win32(errp, err, "failed to open registry key");
2256 err = RegQueryValueExA(key, "ProductName", NULL, NULL,
2257 (LPBYTE)result, &size);
2258 if (err == ERROR_MORE_DATA) {
2259 slog("ProductName longer than expected (%lu bytes), retrying",
2264 result = g_malloc0(size);
2265 err = RegQueryValueExA(key, "ProductName", NULL, NULL,
2266 (LPBYTE)result, &size);
2269 if (err != ERROR_SUCCESS) {
2270 error_setg_win32(errp, err, "failed to retrive ProductName");
2278 if (key != INVALID_HANDLE_VALUE) {
2285 static char *ga_get_current_arch(void)
2288 GetNativeSystemInfo(&info);
2289 char *result = NULL;
2290 switch (info.wProcessorArchitecture) {
2291 case PROCESSOR_ARCHITECTURE_AMD64:
2292 result = g_strdup("x86_64");
2294 case PROCESSOR_ARCHITECTURE_ARM:
2295 result = g_strdup("arm");
2297 case PROCESSOR_ARCHITECTURE_IA64:
2298 result = g_strdup("ia64");
2300 case PROCESSOR_ARCHITECTURE_INTEL:
2301 result = g_strdup("x86");
2303 case PROCESSOR_ARCHITECTURE_UNKNOWN:
2305 slog("unknown processor architecture 0x%0x",
2306 info.wProcessorArchitecture);
2307 result = g_strdup("unknown");
2313 GuestOSInfo *qmp_guest_get_osinfo(Error **errp)
2315 Error *local_err = NULL;
2316 OSVERSIONINFOEXW os_version = {0};
2321 ga_get_win_version(&os_version, &local_err);
2323 error_propagate(errp, local_err);
2327 server = os_version.wProductType != VER_NT_WORKSTATION;
2328 product_name = ga_get_win_product_name(errp);
2329 if (product_name == NULL) {
2333 info = g_new0(GuestOSInfo, 1);
2335 info->has_kernel_version = true;
2336 info->kernel_version = g_strdup_printf("%lu.%lu",
2337 os_version.dwMajorVersion,
2338 os_version.dwMinorVersion);
2339 info->has_kernel_release = true;
2340 info->kernel_release = g_strdup_printf("%lu",
2341 os_version.dwBuildNumber);
2342 info->has_machine = true;
2343 info->machine = ga_get_current_arch();
2345 info->has_id = true;
2346 info->id = g_strdup("mswindows");
2347 info->has_name = true;
2348 info->name = g_strdup("Microsoft Windows");
2349 info->has_pretty_name = true;
2350 info->pretty_name = product_name;
2351 info->has_version = true;
2352 info->version = ga_get_win_name(&os_version, false);
2353 info->has_version_id = true;
2354 info->version_id = ga_get_win_name(&os_version, true);
2355 info->has_variant = true;
2356 info->variant = g_strdup(server ? "server" : "client");
2357 info->has_variant_id = true;
2358 info->variant_id = g_strdup(server ? "server" : "client");
2364 * Safely get device property. Returned strings are using wide characters.
2365 * Caller is responsible for freeing the buffer.
2367 static LPBYTE cm_get_property(DEVINST devInst, const DEVPROPKEY *propName,
2368 PDEVPROPTYPE propType)
2371 g_autofree LPBYTE buffer = NULL;
2372 ULONG buffer_len = 0;
2374 /* First query for needed space */
2375 cr = CM_Get_DevNode_PropertyW(devInst, propName, propType,
2376 buffer, &buffer_len, 0);
2377 if (cr != CR_SUCCESS && cr != CR_BUFFER_SMALL) {
2379 slog("failed to get property size, error=0x%lx", cr);
2382 buffer = g_new0(BYTE, buffer_len + 1);
2383 cr = CM_Get_DevNode_PropertyW(devInst, propName, propType,
2384 buffer, &buffer_len, 0);
2385 if (cr != CR_SUCCESS) {
2386 slog("failed to get device property, error=0x%lx", cr);
2389 return g_steal_pointer(&buffer);
2392 static GStrv ga_get_hardware_ids(DEVINST devInstance)
2394 GArray *values = NULL;
2395 DEVPROPTYPE cm_type;
2397 g_autofree LPWSTR property = (LPWSTR)cm_get_property(devInstance,
2398 &qga_DEVPKEY_Device_HardwareIds, &cm_type);
2399 if (property == NULL) {
2400 slog("failed to get hardware IDs");
2403 if (*property == '\0') {
2407 values = g_array_new(TRUE, TRUE, sizeof(gchar *));
2408 for (id = property; '\0' != *id; id += lstrlenW(id) + 1) {
2409 gchar *id8 = g_utf16_to_utf8(id, -1, NULL, NULL, NULL);
2410 g_array_append_val(values, id8);
2412 return (GStrv)g_array_free(values, FALSE);
2416 * https://docs.microsoft.com/en-us/windows-hardware/drivers/install/identifiers-for-pci-devices
2418 #define DEVICE_PCI_RE "PCI\\\\VEN_(1AF4|1B36)&DEV_([0-9A-B]{4})(&|$)"
2420 GuestDeviceInfoList *qmp_guest_get_devices(Error **errp)
2422 GuestDeviceInfoList *head = NULL, **tail = &head;
2423 HDEVINFO dev_info = INVALID_HANDLE_VALUE;
2424 SP_DEVINFO_DATA dev_info_data;
2426 GError *gerr = NULL;
2427 g_autoptr(GRegex) device_pci_re = NULL;
2428 DEVPROPTYPE cm_type;
2430 device_pci_re = g_regex_new(DEVICE_PCI_RE,
2431 G_REGEX_ANCHORED | G_REGEX_OPTIMIZE, 0,
2433 g_assert(device_pci_re != NULL);
2435 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
2436 dev_info = SetupDiGetClassDevs(0, 0, 0, DIGCF_PRESENT | DIGCF_ALLCLASSES);
2437 if (dev_info == INVALID_HANDLE_VALUE) {
2438 error_setg(errp, "failed to get device tree");
2442 slog("enumerating devices");
2443 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
2445 g_autofree LPWSTR name = NULL;
2446 g_autofree LPFILETIME date = NULL;
2447 g_autofree LPWSTR version = NULL;
2448 g_auto(GStrv) hw_ids = NULL;
2449 g_autoptr(GuestDeviceInfo) device = g_new0(GuestDeviceInfo, 1);
2450 g_autofree char *vendor_id = NULL;
2451 g_autofree char *device_id = NULL;
2453 name = (LPWSTR)cm_get_property(dev_info_data.DevInst,
2454 &qga_DEVPKEY_NAME, &cm_type);
2456 slog("failed to get device description");
2459 device->driver_name = g_utf16_to_utf8(name, -1, NULL, NULL, NULL);
2460 if (device->driver_name == NULL) {
2461 error_setg(errp, "conversion to utf8 failed (driver name)");
2464 slog("querying device: %s", device->driver_name);
2465 hw_ids = ga_get_hardware_ids(dev_info_data.DevInst);
2466 if (hw_ids == NULL) {
2469 for (j = 0; hw_ids[j] != NULL; j++) {
2470 g_autoptr(GMatchInfo) match_info;
2471 GuestDeviceIdPCI *id;
2472 if (!g_regex_match(device_pci_re, hw_ids[j], 0, &match_info)) {
2477 vendor_id = g_match_info_fetch(match_info, 1);
2478 device_id = g_match_info_fetch(match_info, 2);
2480 device->id = g_new0(GuestDeviceId, 1);
2481 device->has_id = true;
2482 device->id->type = GUEST_DEVICE_TYPE_PCI;
2483 id = &device->id->u.pci;
2484 id->vendor_id = g_ascii_strtoull(vendor_id, NULL, 16);
2485 id->device_id = g_ascii_strtoull(device_id, NULL, 16);
2493 version = (LPWSTR)cm_get_property(dev_info_data.DevInst,
2494 &qga_DEVPKEY_Device_DriverVersion, &cm_type);
2495 if (version == NULL) {
2496 slog("failed to get driver version");
2499 device->driver_version = g_utf16_to_utf8(version, -1, NULL,
2501 if (device->driver_version == NULL) {
2502 error_setg(errp, "conversion to utf8 failed (driver version)");
2505 device->has_driver_version = true;
2507 date = (LPFILETIME)cm_get_property(dev_info_data.DevInst,
2508 &qga_DEVPKEY_Device_DriverDate, &cm_type);
2510 slog("failed to get driver date");
2513 device->driver_date = filetime_to_ns(date);
2514 device->has_driver_date = true;
2516 slog("driver: %s\ndriver version: %" PRId64 ",%s\n",
2517 device->driver_name, device->driver_date,
2518 device->driver_version);
2519 QAPI_LIST_APPEND(tail, g_steal_pointer(&device));
2522 if (dev_info != INVALID_HANDLE_VALUE) {
2523 SetupDiDestroyDeviceInfoList(dev_info);
2528 char *qga_get_host_name(Error **errp)
2530 wchar_t tmp[MAX_COMPUTERNAME_LENGTH + 1];
2531 DWORD size = G_N_ELEMENTS(tmp);
2533 if (GetComputerNameW(tmp, &size) == 0) {
2534 error_setg_win32(errp, GetLastError(), "failed close handle");
2538 return g_utf16_to_utf8(tmp, size, NULL, NULL, NULL);
2541 GuestDiskStatsInfoList *qmp_guest_get_diskstats(Error **errp)
2543 error_setg(errp, QERR_UNSUPPORTED);
2547 GuestCpuStatsList *qmp_guest_get_cpustats(Error **errp)
2549 error_setg(errp, QERR_UNSUPPORTED);