2 * QEMU Guest Agent win32-specific command implementations
4 * Copyright IBM Corp. 2012
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"
21 #ifdef CONFIG_QGA_NTDDSCSI
28 #include <devpropdef.h>
33 #include "guest-agent-core.h"
34 #include "vss-win32.h"
35 #include "qga-qapi-commands.h"
36 #include "qapi/error.h"
37 #include "qapi/qmp/qerror.h"
38 #include "qemu/queue.h"
39 #include "qemu/host-utils.h"
40 #include "qemu/base64.h"
41 #include "commands-common.h"
44 * The following should be in devpkey.h, but it isn't. The key names were
45 * prefixed to avoid (future) name clashes. Once the definitions get into
46 * mingw the following lines can be removed.
48 DEFINE_DEVPROPKEY(qga_DEVPKEY_NAME, 0xb725f130, 0x47ef, 0x101a, 0xa5,
49 0xf1, 0x02, 0x60, 0x8c, 0x9e, 0xeb, 0xac, 10);
50 /* DEVPROP_TYPE_STRING */
51 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_HardwareIds, 0xa45c254e, 0xdf1c,
52 0x4efd, 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 3);
53 /* DEVPROP_TYPE_STRING_LIST */
54 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_DriverDate, 0xa8b865dd, 0x2e3d,
55 0x4094, 0xad, 0x97, 0xe5, 0x93, 0xa7, 0xc, 0x75, 0xd6, 2);
56 /* DEVPROP_TYPE_FILETIME */
57 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_DriverVersion, 0xa8b865dd, 0x2e3d,
58 0x4094, 0xad, 0x97, 0xe5, 0x93, 0xa7, 0xc, 0x75, 0xd6, 3);
59 /* DEVPROP_TYPE_STRING */
60 /* The CM_Get_DevNode_PropertyW prototype is only sometimes in cfgmgr32.h */
61 #ifndef CM_Get_DevNode_Property
62 #pragma GCC diagnostic push
63 #pragma GCC diagnostic ignored "-Wredundant-decls"
64 CMAPI CONFIGRET WINAPI CM_Get_DevNode_PropertyW(
66 CONST DEVPROPKEY * PropertyKey,
67 DEVPROPTYPE * PropertyType,
69 PULONG PropertyBufferSize,
72 #define CM_Get_DevNode_Property CM_Get_DevNode_PropertyW
73 #pragma GCC diagnostic pop
76 #ifndef SHTDN_REASON_FLAG_PLANNED
77 #define SHTDN_REASON_FLAG_PLANNED 0x80000000
80 /* multiple of 100 nanoseconds elapsed between windows baseline
81 * (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */
82 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \
83 (365 * (1970 - 1601) + \
84 (1970 - 1601) / 4 - 3))
86 #define INVALID_SET_FILE_POINTER ((DWORD)-1)
88 struct GuestFileHandle {
91 QTAILQ_ENTRY(GuestFileHandle) next;
95 QTAILQ_HEAD(, GuestFileHandle) filehandles;
96 } guest_file_state = {
97 .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles),
100 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA)
102 typedef struct OpenFlags {
104 DWORD desired_access;
105 DWORD creation_disposition;
107 static OpenFlags guest_file_open_modes[] = {
108 {"r", GENERIC_READ, OPEN_EXISTING},
109 {"rb", GENERIC_READ, OPEN_EXISTING},
110 {"w", GENERIC_WRITE, CREATE_ALWAYS},
111 {"wb", GENERIC_WRITE, CREATE_ALWAYS},
112 {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS },
113 {"r+", GENERIC_WRITE | GENERIC_READ, OPEN_EXISTING},
114 {"rb+", GENERIC_WRITE | GENERIC_READ, OPEN_EXISTING},
115 {"r+b", GENERIC_WRITE | GENERIC_READ, OPEN_EXISTING},
116 {"w+", GENERIC_WRITE | GENERIC_READ, CREATE_ALWAYS},
117 {"wb+", GENERIC_WRITE | GENERIC_READ, CREATE_ALWAYS},
118 {"w+b", GENERIC_WRITE | GENERIC_READ, CREATE_ALWAYS},
119 {"a+", FILE_GENERIC_APPEND | GENERIC_READ, OPEN_ALWAYS },
120 {"ab+", FILE_GENERIC_APPEND | GENERIC_READ, OPEN_ALWAYS },
121 {"a+b", FILE_GENERIC_APPEND | GENERIC_READ, OPEN_ALWAYS }
124 #define debug_error(msg) do { \
125 char *suffix = g_win32_error_message(GetLastError()); \
126 g_debug("%s: %s", (msg), suffix); \
130 static OpenFlags *find_open_flag(const char *mode_str)
135 for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) {
136 OpenFlags *flags = guest_file_open_modes + mode;
138 if (strcmp(flags->forms, mode_str) == 0) {
143 error_setg(errp, "invalid file open mode '%s'", mode_str);
147 static int64_t guest_file_handle_add(HANDLE fh, Error **errp)
149 GuestFileHandle *gfh;
152 handle = ga_get_fd_handle(ga_state, errp);
156 gfh = g_new0(GuestFileHandle, 1);
159 QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next);
164 GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp)
166 GuestFileHandle *gfh;
167 QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) {
172 error_setg(errp, "handle '%" PRId64 "' has not been found", id);
176 static void handle_set_nonblocking(HANDLE fh)
178 DWORD file_type, pipe_state;
179 file_type = GetFileType(fh);
180 if (file_type != FILE_TYPE_PIPE) {
183 /* If file_type == FILE_TYPE_PIPE, according to MSDN
184 * the specified file is socket or named pipe */
185 if (!GetNamedPipeHandleState(fh, &pipe_state, NULL,
186 NULL, NULL, NULL, 0)) {
189 /* The fd is named pipe fd */
190 if (pipe_state & PIPE_NOWAIT) {
194 pipe_state |= PIPE_NOWAIT;
195 SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL);
198 int64_t qmp_guest_file_open(const char *path, bool has_mode,
199 const char *mode, Error **errp)
203 HANDLE templ_file = NULL;
204 DWORD share_mode = FILE_SHARE_READ;
205 DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL;
206 LPSECURITY_ATTRIBUTES sa_attr = NULL;
207 OpenFlags *guest_flags;
209 wchar_t *w_path = NULL;
214 slog("guest-file-open called, filepath: %s, mode: %s", path, mode);
215 guest_flags = find_open_flag(mode);
216 if (guest_flags == NULL) {
217 error_setg(errp, "invalid file open mode");
221 w_path = g_utf8_to_utf16(path, -1, NULL, NULL, &gerr);
226 fh = CreateFileW(w_path, guest_flags->desired_access, share_mode, sa_attr,
227 guest_flags->creation_disposition, flags_and_attr,
229 if (fh == INVALID_HANDLE_VALUE) {
230 error_setg_win32(errp, GetLastError(), "failed to open file '%s'",
235 /* set fd non-blocking to avoid common use cases (like reading from a
236 * named pipe) from hanging the agent
238 handle_set_nonblocking(fh);
240 fd = guest_file_handle_add(fh, errp);
243 error_setg(errp, "failed to add handle to qmp handle table");
247 slog("guest-file-open, handle: % " PRId64, fd);
251 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
258 void qmp_guest_file_close(int64_t handle, Error **errp)
261 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
262 slog("guest-file-close called, handle: %" PRId64, handle);
266 ret = CloseHandle(gfh->fh);
268 error_setg_win32(errp, GetLastError(), "failed close handle");
272 QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next);
276 static void acquire_privilege(const char *name, Error **errp)
279 TOKEN_PRIVILEGES priv;
280 Error *local_err = NULL;
282 if (OpenProcessToken(GetCurrentProcess(),
283 TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token))
285 if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) {
286 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
287 "no luid for requested privilege");
291 priv.PrivilegeCount = 1;
292 priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
294 if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) {
295 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
296 "unable to acquire requested privilege");
301 error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
302 "failed to open privilege token");
309 error_propagate(errp, local_err);
312 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque,
315 HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL);
317 error_setg(errp, QERR_QGA_COMMAND_FAILED,
318 "failed to dispatch asynchronous command");
322 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
324 Error *local_err = NULL;
325 UINT shutdown_flag = EWX_FORCE;
327 slog("guest-shutdown called, mode: %s", mode);
329 if (!has_mode || strcmp(mode, "powerdown") == 0) {
330 shutdown_flag |= EWX_POWEROFF;
331 } else if (strcmp(mode, "halt") == 0) {
332 shutdown_flag |= EWX_SHUTDOWN;
333 } else if (strcmp(mode, "reboot") == 0) {
334 shutdown_flag |= EWX_REBOOT;
336 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode",
337 "'halt', 'powerdown', or 'reboot'");
341 /* Request a shutdown privilege, but try to shut down the system
343 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
345 error_propagate(errp, local_err);
349 if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) {
350 g_autofree gchar *emsg = g_win32_error_message(GetLastError());
351 slog("guest-shutdown failed: %s", emsg);
352 error_setg_win32(errp, GetLastError(), "guest-shutdown failed");
356 GuestFileRead *guest_file_read_unsafe(GuestFileHandle *gfh,
357 int64_t count, Error **errp)
359 GuestFileRead *read_data = NULL;
365 buf = g_malloc0(count + 1);
366 is_ok = ReadFile(fh, buf, count, &read_count, NULL);
368 error_setg_win32(errp, GetLastError(), "failed to read file");
371 read_data = g_new0(GuestFileRead, 1);
372 read_data->count = (size_t)read_count;
373 read_data->eof = read_count == 0;
375 if (read_count != 0) {
376 read_data->buf_b64 = g_base64_encode(buf, read_count);
384 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
385 bool has_count, int64_t count,
388 GuestFileWrite *write_data = NULL;
393 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
400 buf = qbase64_decode(buf_b64, -1, &buf_len, errp);
407 } else if (count < 0 || count > buf_len) {
408 error_setg(errp, "value '%" PRId64
409 "' is invalid for argument count", count);
413 is_ok = WriteFile(fh, buf, count, &write_count, NULL);
415 error_setg_win32(errp, GetLastError(), "failed to write to file");
416 slog("guest-file-write-failed, handle: %" PRId64, handle);
418 write_data = g_new0(GuestFileWrite, 1);
419 write_data->count = (size_t) write_count;
427 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
428 GuestFileWhence *whence_code,
431 GuestFileHandle *gfh;
432 GuestFileSeek *seek_data;
434 LARGE_INTEGER new_pos, off_pos;
435 off_pos.QuadPart = offset;
440 gfh = guest_file_handle_find(handle, errp);
445 /* We stupidly exposed 'whence':'int' in our qapi */
446 whence = ga_parse_whence(whence_code, &err);
448 error_propagate(errp, err);
453 res = SetFilePointerEx(fh, off_pos, &new_pos, whence);
455 error_setg_win32(errp, GetLastError(), "failed to seek file");
458 seek_data = g_new0(GuestFileSeek, 1);
459 seek_data->position = new_pos.QuadPart;
463 void qmp_guest_file_flush(int64_t handle, Error **errp)
466 GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
472 if (!FlushFileBuffers(fh)) {
473 error_setg_win32(errp, GetLastError(), "failed to flush file");
477 #ifdef CONFIG_QGA_NTDDSCSI
479 static GuestDiskBusType win2qemu[] = {
480 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN,
481 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI,
482 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE,
483 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE,
484 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394,
485 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA,
486 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA,
487 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB,
488 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID,
489 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI,
490 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS,
491 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA,
492 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD,
493 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC,
494 #if (_WIN32_WINNT >= 0x0601)
495 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL,
496 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL,
500 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus)
502 if (bus >= ARRAY_SIZE(win2qemu) || (int)bus < 0) {
503 return GUEST_DISK_BUS_TYPE_UNKNOWN;
505 return win2qemu[(int)bus];
508 DEFINE_GUID(GUID_DEVINTERFACE_DISK,
509 0x53f56307L, 0xb6bf, 0x11d0, 0x94, 0xf2,
510 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
511 DEFINE_GUID(GUID_DEVINTERFACE_STORAGEPORT,
512 0x2accfe60L, 0xc130, 0x11d2, 0xb0, 0x82,
513 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
515 static GuestPCIAddress *get_pci_info(int number, Error **errp)
518 SP_DEVINFO_DATA dev_info_data;
519 SP_DEVICE_INTERFACE_DATA dev_iface_data;
522 GuestPCIAddress *pci = NULL;
523 bool partial_pci = false;
525 pci = g_malloc0(sizeof(*pci));
531 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0,
532 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
533 if (dev_info == INVALID_HANDLE_VALUE) {
534 error_setg_win32(errp, GetLastError(), "failed to get devices tree");
538 g_debug("enumerating devices");
539 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
540 dev_iface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
541 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
542 PSP_DEVICE_INTERFACE_DETAIL_DATA pdev_iface_detail_data = NULL;
543 STORAGE_DEVICE_NUMBER sdn;
544 char *parent_dev_id = NULL;
545 HDEVINFO parent_dev_info;
546 SP_DEVINFO_DATA parent_dev_info_data;
550 g_debug("getting device path");
551 if (SetupDiEnumDeviceInterfaces(dev_info, &dev_info_data,
552 &GUID_DEVINTERFACE_DISK, 0,
554 while (!SetupDiGetDeviceInterfaceDetail(dev_info, &dev_iface_data,
555 pdev_iface_detail_data,
558 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
559 pdev_iface_detail_data = g_malloc(size);
560 pdev_iface_detail_data->cbSize =
561 sizeof(*pdev_iface_detail_data);
563 error_setg_win32(errp, GetLastError(),
564 "failed to get device interfaces");
569 dev_file = CreateFile(pdev_iface_detail_data->DevicePath, 0,
570 FILE_SHARE_READ, NULL, OPEN_EXISTING, 0,
572 g_free(pdev_iface_detail_data);
574 if (!DeviceIoControl(dev_file, IOCTL_STORAGE_GET_DEVICE_NUMBER,
575 NULL, 0, &sdn, sizeof(sdn), &size, NULL)) {
576 CloseHandle(dev_file);
577 error_setg_win32(errp, GetLastError(),
578 "failed to get device slot number");
582 CloseHandle(dev_file);
583 if (sdn.DeviceNumber != number) {
587 error_setg_win32(errp, GetLastError(),
588 "failed to get device interfaces");
592 g_debug("found device slot %d. Getting storage controller", number);
595 DEVINST dev_inst, parent_dev_inst;
596 ULONG dev_id_size = 0;
599 while (!SetupDiGetDeviceInstanceId(dev_info, &dev_info_data,
600 parent_dev_id, size, &size)) {
601 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
602 parent_dev_id = g_malloc(size);
604 error_setg_win32(errp, GetLastError(),
605 "failed to get device instance ID");
611 * CM API used here as opposed to
612 * SetupDiGetDeviceProperty(..., DEVPKEY_Device_Parent, ...)
613 * which exports are only available in mingw-w64 6+
615 cr = CM_Locate_DevInst(&dev_inst, parent_dev_id, 0);
616 if (cr != CR_SUCCESS) {
617 g_error("CM_Locate_DevInst failed with code %lx", cr);
618 error_setg_win32(errp, GetLastError(),
619 "failed to get device instance");
622 cr = CM_Get_Parent(&parent_dev_inst, dev_inst, 0);
623 if (cr != CR_SUCCESS) {
624 g_error("CM_Get_Parent failed with code %lx", cr);
625 error_setg_win32(errp, GetLastError(),
626 "failed to get parent device instance");
630 cr = CM_Get_Device_ID_Size(&dev_id_size, parent_dev_inst, 0);
631 if (cr != CR_SUCCESS) {
632 g_error("CM_Get_Device_ID_Size failed with code %lx", cr);
633 error_setg_win32(errp, GetLastError(),
634 "failed to get parent device ID length");
639 if (dev_id_size > size) {
640 g_free(parent_dev_id);
641 parent_dev_id = g_malloc(dev_id_size);
644 cr = CM_Get_Device_ID(parent_dev_inst, parent_dev_id, dev_id_size,
646 if (cr != CR_SUCCESS) {
647 g_error("CM_Get_Device_ID failed with code %lx", cr);
648 error_setg_win32(errp, GetLastError(),
649 "failed to get parent device ID");
654 g_debug("querying storage controller %s for PCI information",
657 SetupDiGetClassDevs(&GUID_DEVINTERFACE_STORAGEPORT, parent_dev_id,
658 NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
659 g_free(parent_dev_id);
661 if (parent_dev_info == INVALID_HANDLE_VALUE) {
662 error_setg_win32(errp, GetLastError(),
663 "failed to get parent device");
667 parent_dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
668 if (!SetupDiEnumDeviceInfo(parent_dev_info, 0, &parent_dev_info_data)) {
669 error_setg_win32(errp, GetLastError(),
670 "failed to get parent device data");
675 SetupDiEnumDeviceInfo(parent_dev_info, j, &parent_dev_info_data);
677 DWORD addr, bus, ui_slot, type;
681 * There is no need to allocate buffer in the next functions. The
682 * size is known and ULONG according to
683 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx
685 if (!SetupDiGetDeviceRegistryProperty(
686 parent_dev_info, &parent_dev_info_data, SPDRP_BUSNUMBER,
687 &type, (PBYTE)&bus, size, NULL)) {
688 debug_error("failed to get PCI bus");
694 * The function retrieves the device's address. This value will be
695 * transformed into device function and number
697 if (!SetupDiGetDeviceRegistryProperty(
698 parent_dev_info, &parent_dev_info_data, SPDRP_ADDRESS,
699 &type, (PBYTE)&addr, size, NULL)) {
700 debug_error("failed to get PCI address");
706 * This call returns UINumber of DEVICE_CAPABILITIES structure.
707 * This number is typically a user-perceived slot number.
709 if (!SetupDiGetDeviceRegistryProperty(
710 parent_dev_info, &parent_dev_info_data, SPDRP_UI_NUMBER,
711 &type, (PBYTE)&ui_slot, size, NULL)) {
712 debug_error("failed to get PCI slot");
718 * SetupApi gives us the same information as driver with
719 * IoGetDeviceProperty. According to Microsoft:
721 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF)
722 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF)
723 * SPDRP_ADDRESS is propertyAddress, so we do the same.
725 * https://docs.microsoft.com/en-us/windows/desktop/api/setupapi/nf-setupapi-setupdigetdeviceregistrypropertya
734 func = ((int)addr == -1) ? -1 : addr & 0x0000FFFF;
735 slot = ((int)addr == -1) ? -1 : (addr >> 16) & 0x0000FFFF;
736 if ((int)ui_slot != slot) {
737 g_debug("mismatch with reported slot values: %d vs %d",
741 pci->slot = (int)ui_slot;
742 pci->function = func;
747 SetupDiDestroyDeviceInfoList(parent_dev_info);
752 SetupDiDestroyDeviceInfoList(dev_info);
757 static void get_disk_properties(HANDLE vol_h, GuestDiskAddress *disk,
760 STORAGE_PROPERTY_QUERY query;
761 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf;
763 ULONG size = sizeof(buf);
766 query.PropertyId = StorageDeviceProperty;
767 query.QueryType = PropertyStandardQuery;
769 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
770 sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
771 size, &received, NULL)) {
772 error_setg_win32(errp, GetLastError(), "failed to get bus type");
775 disk->bus_type = find_bus_type(dev_desc->BusType);
776 g_debug("bus type %d", disk->bus_type);
778 /* Query once more. Now with long enough buffer. */
779 size = dev_desc->Size;
780 dev_desc = g_malloc0(size);
781 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
782 sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
783 size, &received, NULL)) {
784 error_setg_win32(errp, GetLastError(), "failed to get serial number");
785 g_debug("failed to get serial number");
788 if (dev_desc->SerialNumberOffset > 0) {
792 if (dev_desc->SerialNumberOffset >= received) {
793 error_setg(errp, "failed to get serial number: offset outside the buffer");
794 g_debug("serial number offset outside the buffer");
797 serial = (char *)dev_desc + dev_desc->SerialNumberOffset;
798 len = received - dev_desc->SerialNumberOffset;
799 g_debug("serial number \"%s\"", serial);
801 disk->serial = g_strndup(serial, len);
802 disk->has_serial = true;
811 static void get_single_disk_info(int disk_number,
812 GuestDiskAddress *disk, Error **errp)
814 SCSI_ADDRESS addr, *scsi_ad;
817 Error *local_err = NULL;
821 g_debug("getting disk info for: %s", disk->dev);
822 disk_h = CreateFile(disk->dev, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
824 if (disk_h == INVALID_HANDLE_VALUE) {
825 error_setg_win32(errp, GetLastError(), "failed to open disk");
829 get_disk_properties(disk_h, disk, &local_err);
831 error_propagate(errp, local_err);
835 g_debug("bus type %d", disk->bus_type);
836 /* always set pci_controller as required by schema. get_pci_info() should
837 * report -1 values for non-PCI buses rather than fail. fail the command
838 * if that doesn't hold since that suggests some other unexpected
841 disk->pci_controller = get_pci_info(disk_number, &local_err);
843 error_propagate(errp, local_err);
846 if (disk->bus_type == GUEST_DISK_BUS_TYPE_SCSI
847 || disk->bus_type == GUEST_DISK_BUS_TYPE_IDE
848 || disk->bus_type == GUEST_DISK_BUS_TYPE_RAID
849 /* This bus type is not supported before Windows Server 2003 SP1 */
850 || disk->bus_type == GUEST_DISK_BUS_TYPE_SAS
852 /* We are able to use the same ioctls for different bus types
853 * according to Microsoft docs
854 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */
855 g_debug("getting SCSI info");
856 if (DeviceIoControl(disk_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad,
857 sizeof(SCSI_ADDRESS), &len, NULL)) {
858 disk->unit = addr.Lun;
859 disk->target = addr.TargetId;
860 disk->bus = addr.PathId;
862 /* We do not set error in this case, because we still have enough
863 * information about volume. */
871 /* VSS provider works with volumes, thus there is no difference if
872 * the volume consist of spanned disks. Info about the first disk in the
873 * volume is returned for the spanned disk group (LVM) */
874 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
876 Error *local_err = NULL;
877 GuestDiskAddressList *list = NULL;
878 GuestDiskAddress *disk = NULL;
882 PVOLUME_DISK_EXTENTS extents = NULL;
884 /* strip final backslash */
885 char *name = g_strdup(guid);
886 if (g_str_has_suffix(name, "\\")) {
887 name[strlen(name) - 1] = 0;
890 g_debug("opening %s", name);
891 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
893 if (vol_h == INVALID_HANDLE_VALUE) {
894 error_setg_win32(errp, GetLastError(), "failed to open volume");
898 /* Get list of extents */
899 g_debug("getting disk extents");
900 size = sizeof(VOLUME_DISK_EXTENTS);
901 extents = g_malloc0(size);
902 if (!DeviceIoControl(vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL,
903 0, extents, size, &size, NULL)) {
904 DWORD last_err = GetLastError();
905 if (last_err == ERROR_MORE_DATA) {
906 /* Try once more with big enough buffer */
908 extents = g_malloc0(size);
909 if (!DeviceIoControl(
910 vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL,
911 0, extents, size, NULL, NULL)) {
912 error_setg_win32(errp, GetLastError(),
913 "failed to get disk extents");
916 } else if (last_err == ERROR_INVALID_FUNCTION) {
917 /* Possibly CD-ROM or a shared drive. Try to pass the volume */
918 g_debug("volume not on disk");
919 disk = g_malloc0(sizeof(GuestDiskAddress));
920 disk->has_dev = true;
921 disk->dev = g_strdup(name);
922 get_single_disk_info(0xffffffff, disk, &local_err);
924 g_debug("failed to get disk info, ignoring error: %s",
925 error_get_pretty(local_err));
926 error_free(local_err);
929 QAPI_LIST_PREPEND(list, disk);
933 error_setg_win32(errp, GetLastError(),
934 "failed to get disk extents");
938 g_debug("Number of extents: %lu", extents->NumberOfDiskExtents);
940 /* Go through each extent */
941 for (i = 0; i < extents->NumberOfDiskExtents; i++) {
942 disk = g_malloc0(sizeof(GuestDiskAddress));
944 /* Disk numbers directly correspond to numbers used in UNCs
946 * See documentation for DISK_EXTENT:
947 * https://docs.microsoft.com/en-us/windows/desktop/api/winioctl/ns-winioctl-_disk_extent
949 * See also Naming Files, Paths and Namespaces:
950 * https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#win32-device-namespaces
952 disk->has_dev = true;
953 disk->dev = g_strdup_printf("\\\\.\\PhysicalDrive%lu",
954 extents->Extents[i].DiskNumber);
956 get_single_disk_info(extents->Extents[i].DiskNumber, disk, &local_err);
958 error_propagate(errp, local_err);
961 QAPI_LIST_PREPEND(list, disk);
967 if (vol_h != INVALID_HANDLE_VALUE) {
970 qapi_free_GuestDiskAddress(disk);
977 GuestDiskInfoList *qmp_guest_get_disks(Error **errp)
980 GuestDiskInfoList *ret = NULL;
982 SP_DEVICE_INTERFACE_DATA dev_iface_data;
985 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0,
986 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
987 if (dev_info == INVALID_HANDLE_VALUE) {
988 error_setg_win32(errp, GetLastError(), "failed to get device tree");
992 g_debug("enumerating devices");
993 dev_iface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
995 SetupDiEnumDeviceInterfaces(dev_info, NULL, &GUID_DEVINTERFACE_DISK,
998 GuestDiskAddress *address = NULL;
999 GuestDiskInfo *disk = NULL;
1000 Error *local_err = NULL;
1001 g_autofree PSP_DEVICE_INTERFACE_DETAIL_DATA
1002 pdev_iface_detail_data = NULL;
1003 STORAGE_DEVICE_NUMBER sdn;
1009 g_debug(" getting device path");
1010 for (attempt = 0, result = FALSE; attempt < 2 && !result; attempt++) {
1011 result = SetupDiGetDeviceInterfaceDetail(dev_info,
1012 &dev_iface_data, pdev_iface_detail_data, size, &size, NULL);
1016 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
1017 pdev_iface_detail_data = g_realloc(pdev_iface_detail_data,
1019 pdev_iface_detail_data->cbSize =
1020 sizeof(*pdev_iface_detail_data);
1022 g_debug("failed to get device interface details");
1027 g_debug("skipping device");
1031 g_debug(" device: %s", pdev_iface_detail_data->DevicePath);
1032 dev_file = CreateFile(pdev_iface_detail_data->DevicePath, 0,
1033 FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
1034 if (!DeviceIoControl(dev_file, IOCTL_STORAGE_GET_DEVICE_NUMBER,
1035 NULL, 0, &sdn, sizeof(sdn), &size, NULL)) {
1036 CloseHandle(dev_file);
1037 debug_error("failed to get storage device number");
1040 CloseHandle(dev_file);
1042 disk = g_new0(GuestDiskInfo, 1);
1043 disk->name = g_strdup_printf("\\\\.\\PhysicalDrive%lu",
1046 g_debug(" number: %lu", sdn.DeviceNumber);
1047 address = g_malloc0(sizeof(GuestDiskAddress));
1048 address->has_dev = true;
1049 address->dev = g_strdup(disk->name);
1050 get_single_disk_info(sdn.DeviceNumber, address, &local_err);
1052 g_debug("failed to get disk info: %s",
1053 error_get_pretty(local_err));
1054 error_free(local_err);
1055 qapi_free_GuestDiskAddress(address);
1058 disk->address = address;
1059 disk->has_address = true;
1062 QAPI_LIST_PREPEND(ret, disk);
1065 SetupDiDestroyDeviceInfoList(dev_info);
1071 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
1076 GuestDiskInfoList *qmp_guest_get_disks(Error **errp)
1078 error_setg(errp, QERR_UNSUPPORTED);
1082 #endif /* CONFIG_QGA_NTDDSCSI */
1084 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp)
1087 char mnt, *mnt_point;
1088 wchar_t wfs_name[32];
1090 wchar_t vol_info[MAX_PATH + 1];
1092 uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes;
1093 GuestFilesystemInfo *fs = NULL;
1094 HANDLE hLocalDiskHandle = INVALID_HANDLE_VALUE;
1096 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size);
1097 if (GetLastError() != ERROR_MORE_DATA) {
1098 error_setg_win32(errp, GetLastError(), "failed to get volume name");
1102 mnt_point = g_malloc(info_size + 1);
1103 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size,
1105 error_setg_win32(errp, GetLastError(), "failed to get volume name");
1109 hLocalDiskHandle = CreateFile(guid, 0 , 0, NULL, OPEN_EXISTING,
1110 FILE_ATTRIBUTE_NORMAL |
1111 FILE_FLAG_BACKUP_SEMANTICS, NULL);
1112 if (INVALID_HANDLE_VALUE == hLocalDiskHandle) {
1113 error_setg_win32(errp, GetLastError(), "failed to get handle for volume");
1117 len = strlen(mnt_point);
1118 mnt_point[len] = '\\';
1119 mnt_point[len + 1] = 0;
1121 if (!GetVolumeInformationByHandleW(hLocalDiskHandle, vol_info,
1122 sizeof(vol_info), NULL, NULL, NULL,
1123 (LPWSTR) & wfs_name, sizeof(wfs_name))) {
1124 if (GetLastError() != ERROR_NOT_READY) {
1125 error_setg_win32(errp, GetLastError(), "failed to get volume info");
1130 fs = g_malloc(sizeof(*fs));
1131 fs->name = g_strdup(guid);
1132 fs->has_total_bytes = false;
1133 fs->has_used_bytes = false;
1135 fs->mountpoint = g_strdup("System Reserved");
1137 fs->mountpoint = g_strndup(mnt_point, len);
1138 if (GetDiskFreeSpaceEx(fs->mountpoint,
1139 (PULARGE_INTEGER) & i64FreeBytesToCaller,
1140 (PULARGE_INTEGER) & i64TotalBytes,
1141 (PULARGE_INTEGER) & i64FreeBytes)) {
1142 fs->used_bytes = i64TotalBytes - i64FreeBytes;
1143 fs->total_bytes = i64TotalBytes;
1144 fs->has_total_bytes = true;
1145 fs->has_used_bytes = true;
1148 wcstombs(fs_name, wfs_name, sizeof(wfs_name));
1149 fs->type = g_strdup(fs_name);
1150 fs->disk = build_guest_disk_info(guid, errp);
1152 if (hLocalDiskHandle != INVALID_HANDLE_VALUE) {
1153 CloseHandle(hLocalDiskHandle);
1159 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp)
1162 GuestFilesystemInfoList *ret = NULL;
1165 vol_h = FindFirstVolume(guid, sizeof(guid));
1166 if (vol_h == INVALID_HANDLE_VALUE) {
1167 error_setg_win32(errp, GetLastError(), "failed to find any volume");
1172 Error *local_err = NULL;
1173 GuestFilesystemInfo *info = build_guest_fsinfo(guid, &local_err);
1175 g_debug("failed to get filesystem info, ignoring error: %s",
1176 error_get_pretty(local_err));
1177 error_free(local_err);
1180 QAPI_LIST_PREPEND(ret, info);
1181 } while (FindNextVolume(vol_h, guid, sizeof(guid)));
1183 if (GetLastError() != ERROR_NO_MORE_FILES) {
1184 error_setg_win32(errp, GetLastError(), "failed to find next volume");
1187 FindVolumeClose(vol_h);
1192 * Return status of freeze/thaw
1194 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
1196 if (!vss_initialized()) {
1197 error_setg(errp, QERR_UNSUPPORTED);
1201 if (ga_is_frozen(ga_state)) {
1202 return GUEST_FSFREEZE_STATUS_FROZEN;
1205 return GUEST_FSFREEZE_STATUS_THAWED;
1209 * Freeze local file systems using Volume Shadow-copy Service.
1210 * The frozen state is limited for up to 10 seconds by VSS.
1212 int64_t qmp_guest_fsfreeze_freeze(Error **errp)
1214 return qmp_guest_fsfreeze_freeze_list(false, NULL, errp);
1217 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints,
1218 strList *mountpoints,
1222 Error *local_err = NULL;
1224 if (!vss_initialized()) {
1225 error_setg(errp, QERR_UNSUPPORTED);
1229 slog("guest-fsfreeze called");
1231 /* cannot risk guest agent blocking itself on a write in this state */
1232 ga_set_frozen(ga_state);
1234 qga_vss_fsfreeze(&i, true, mountpoints, &local_err);
1236 error_propagate(errp, local_err);
1244 qmp_guest_fsfreeze_thaw(&local_err);
1246 g_debug("cleanup thaw: %s", error_get_pretty(local_err));
1247 error_free(local_err);
1253 * Thaw local file systems using Volume Shadow-copy Service.
1255 int64_t qmp_guest_fsfreeze_thaw(Error **errp)
1259 if (!vss_initialized()) {
1260 error_setg(errp, QERR_UNSUPPORTED);
1264 qga_vss_fsfreeze(&i, false, NULL, errp);
1266 ga_unset_frozen(ga_state);
1270 static void guest_fsfreeze_cleanup(void)
1274 if (!vss_initialized()) {
1278 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) {
1279 qmp_guest_fsfreeze_thaw(&err);
1281 slog("failed to clean up frozen filesystems: %s",
1282 error_get_pretty(err));
1291 * Walk list of mounted file systems in the guest, and discard unused
1294 GuestFilesystemTrimResponse *
1295 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
1297 GuestFilesystemTrimResponse *resp;
1299 WCHAR guid[MAX_PATH] = L"";
1303 ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
1304 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1305 GetVersionEx(&osvi);
1306 win8_or_later = (osvi.dwMajorVersion > 6 ||
1307 ((osvi.dwMajorVersion == 6) &&
1308 (osvi.dwMinorVersion >= 2)));
1309 if (!win8_or_later) {
1310 error_setg(errp, "fstrim is only supported for Win8+");
1314 handle = FindFirstVolumeW(guid, ARRAYSIZE(guid));
1315 if (handle == INVALID_HANDLE_VALUE) {
1316 error_setg_win32(errp, GetLastError(), "failed to find any volume");
1320 resp = g_new0(GuestFilesystemTrimResponse, 1);
1323 GuestFilesystemTrimResult *res;
1325 DWORD char_count = 0;
1327 GError *gerr = NULL;
1330 GetVolumePathNamesForVolumeNameW(guid, NULL, 0, &char_count);
1332 if (GetLastError() != ERROR_MORE_DATA) {
1335 if (GetDriveTypeW(guid) != DRIVE_FIXED) {
1339 uc_path = g_malloc(sizeof(WCHAR) * char_count);
1340 if (!GetVolumePathNamesForVolumeNameW(guid, uc_path, char_count,
1341 &char_count) || !*uc_path) {
1342 /* strange, but this condition could be faced even with size == 2 */
1347 res = g_new0(GuestFilesystemTrimResult, 1);
1349 path = g_utf16_to_utf8(uc_path, char_count, NULL, NULL, &gerr);
1354 res->has_error = true;
1355 res->error = g_strdup(gerr->message);
1362 QAPI_LIST_PREPEND(resp->paths, res);
1364 memset(argv, 0, sizeof(argv));
1365 argv[0] = (gchar *)"defrag.exe";
1366 argv[1] = (gchar *)"/L";
1369 if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
1370 &out /* stdout */, NULL /* stdin */,
1372 res->has_error = true;
1373 res->error = g_strdup(gerr->message);
1376 /* defrag.exe is UGLY. Exit code is ALWAYS zero.
1377 Error is reported in the output with something like
1378 (x89000020) etc code in the stdout */
1381 gchar **lines = g_strsplit(out, "\r\n", 0);
1384 for (i = 0; lines[i] != NULL; i++) {
1385 if (g_strstr_len(lines[i], -1, "(0x") == NULL) {
1388 res->has_error = true;
1389 res->error = g_strdup(lines[i]);
1394 } while (FindNextVolumeW(handle, guid, ARRAYSIZE(guid)));
1396 FindVolumeClose(handle);
1401 GUEST_SUSPEND_MODE_DISK,
1402 GUEST_SUSPEND_MODE_RAM
1405 static void check_suspend_mode(GuestSuspendMode mode, Error **errp)
1407 SYSTEM_POWER_CAPABILITIES sys_pwr_caps;
1409 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
1410 if (!GetPwrCapabilities(&sys_pwr_caps)) {
1411 error_setg(errp, QERR_QGA_COMMAND_FAILED,
1412 "failed to determine guest suspend capabilities");
1417 case GUEST_SUSPEND_MODE_DISK:
1418 if (!sys_pwr_caps.SystemS4) {
1419 error_setg(errp, QERR_QGA_COMMAND_FAILED,
1420 "suspend-to-disk not supported by OS");
1423 case GUEST_SUSPEND_MODE_RAM:
1424 if (!sys_pwr_caps.SystemS3) {
1425 error_setg(errp, QERR_QGA_COMMAND_FAILED,
1426 "suspend-to-ram not supported by OS");
1434 static DWORD WINAPI do_suspend(LPVOID opaque)
1436 GuestSuspendMode *mode = opaque;
1439 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) {
1440 g_autofree gchar *emsg = g_win32_error_message(GetLastError());
1441 slog("failed to suspend guest: %s", emsg);
1448 void qmp_guest_suspend_disk(Error **errp)
1450 Error *local_err = NULL;
1451 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
1453 *mode = GUEST_SUSPEND_MODE_DISK;
1454 check_suspend_mode(*mode, &local_err);
1458 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
1462 execute_async(do_suspend, mode, &local_err);
1466 error_propagate(errp, local_err);
1471 void qmp_guest_suspend_ram(Error **errp)
1473 Error *local_err = NULL;
1474 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
1476 *mode = GUEST_SUSPEND_MODE_RAM;
1477 check_suspend_mode(*mode, &local_err);
1481 acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
1485 execute_async(do_suspend, mode, &local_err);
1489 error_propagate(errp, local_err);
1494 void qmp_guest_suspend_hybrid(Error **errp)
1496 error_setg(errp, QERR_UNSUPPORTED);
1499 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp)
1501 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL;
1502 ULONG adptr_addrs_len = 0;
1505 /* Call the first time to get the adptr_addrs_len. */
1506 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
1507 NULL, adptr_addrs, &adptr_addrs_len);
1509 adptr_addrs = g_malloc(adptr_addrs_len);
1510 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
1511 NULL, adptr_addrs, &adptr_addrs_len);
1512 if (ret != ERROR_SUCCESS) {
1513 error_setg_win32(errp, ret, "failed to get adapters addresses");
1514 g_free(adptr_addrs);
1520 static char *guest_wctomb_dup(WCHAR *wstr)
1525 str_size = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL);
1526 /* add 1 to str_size for NULL terminator */
1527 str = g_malloc(str_size + 1);
1528 WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, str_size, NULL, NULL);
1532 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr,
1535 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN];
1539 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET ||
1540 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1541 len = sizeof(addr_str);
1542 ret = WSAAddressToString(ip_addr->Address.lpSockaddr,
1543 ip_addr->Address.iSockaddrLength,
1548 error_setg_win32(errp, WSAGetLastError(),
1549 "failed address presentation form conversion");
1552 return g_strdup(addr_str);
1557 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
1559 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength
1560 * field to obtain the prefix.
1562 return ip_addr->OnLinkPrefixLength;
1565 #define INTERFACE_PATH_BUF_SZ 512
1567 static DWORD get_interface_index(const char *guid)
1571 wchar_t wbuf[INTERFACE_PATH_BUF_SZ];
1572 snwprintf(wbuf, INTERFACE_PATH_BUF_SZ, L"\\device\\tcpip_%s", guid);
1573 wbuf[INTERFACE_PATH_BUF_SZ - 1] = 0;
1574 status = GetAdapterIndex (wbuf, &index);
1575 if (status != NO_ERROR) {
1582 typedef NETIOAPI_API (WINAPI *GetIfEntry2Func)(PMIB_IF_ROW2 Row);
1584 static int guest_get_network_stats(const char *name,
1585 GuestNetworkInterfaceStat *stats)
1587 OSVERSIONINFO os_ver;
1589 os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1590 GetVersionEx(&os_ver);
1591 if (os_ver.dwMajorVersion >= 6) {
1592 MIB_IF_ROW2 a_mid_ifrow;
1593 GetIfEntry2Func getifentry2_ex;
1595 HMODULE module = GetModuleHandle("iphlpapi");
1596 PVOID func = GetProcAddress(module, "GetIfEntry2");
1602 getifentry2_ex = (GetIfEntry2Func)func;
1603 if_index = get_interface_index(name);
1604 if (if_index == (DWORD)~0) {
1608 memset(&a_mid_ifrow, 0, sizeof(a_mid_ifrow));
1609 a_mid_ifrow.InterfaceIndex = if_index;
1610 if (NO_ERROR == getifentry2_ex(&a_mid_ifrow)) {
1611 stats->rx_bytes = a_mid_ifrow.InOctets;
1612 stats->rx_packets = a_mid_ifrow.InUcastPkts;
1613 stats->rx_errs = a_mid_ifrow.InErrors;
1614 stats->rx_dropped = a_mid_ifrow.InDiscards;
1615 stats->tx_bytes = a_mid_ifrow.OutOctets;
1616 stats->tx_packets = a_mid_ifrow.OutUcastPkts;
1617 stats->tx_errs = a_mid_ifrow.OutErrors;
1618 stats->tx_dropped = a_mid_ifrow.OutDiscards;
1625 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
1627 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr;
1628 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL;
1629 GuestNetworkInterfaceList *head = NULL, **tail = &head;
1630 GuestIpAddressList *head_addr, **tail_addr;
1631 GuestNetworkInterface *info;
1632 GuestNetworkInterfaceStat *interface_stat = NULL;
1633 GuestIpAddress *address_item = NULL;
1634 unsigned char *mac_addr;
1640 adptr_addrs = guest_get_adapters_addresses(errp);
1641 if (adptr_addrs == NULL) {
1645 /* Make WSA APIs available. */
1646 wsa_version = MAKEWORD(2, 2);
1647 ret = WSAStartup(wsa_version, &wsa_data);
1649 error_setg_win32(errp, ret, "failed socket startup");
1653 for (addr = adptr_addrs; addr; addr = addr->Next) {
1654 info = g_malloc0(sizeof(*info));
1656 QAPI_LIST_APPEND(tail, info);
1658 info->name = guest_wctomb_dup(addr->FriendlyName);
1660 if (addr->PhysicalAddressLength != 0) {
1661 mac_addr = addr->PhysicalAddress;
1663 info->hardware_address =
1664 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x",
1665 (int) mac_addr[0], (int) mac_addr[1],
1666 (int) mac_addr[2], (int) mac_addr[3],
1667 (int) mac_addr[4], (int) mac_addr[5]);
1669 info->has_hardware_address = true;
1673 tail_addr = &head_addr;
1674 for (ip_addr = addr->FirstUnicastAddress;
1676 ip_addr = ip_addr->Next) {
1677 addr_str = guest_addr_to_str(ip_addr, errp);
1678 if (addr_str == NULL) {
1682 address_item = g_malloc0(sizeof(*address_item));
1684 QAPI_LIST_APPEND(tail_addr, address_item);
1686 address_item->ip_address = addr_str;
1687 address_item->prefix = guest_ip_prefix(ip_addr);
1688 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) {
1689 address_item->ip_address_type = GUEST_IP_ADDRESS_TYPE_IPV4;
1690 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1691 address_item->ip_address_type = GUEST_IP_ADDRESS_TYPE_IPV6;
1695 info->has_ip_addresses = true;
1696 info->ip_addresses = head_addr;
1698 if (!info->has_statistics) {
1699 interface_stat = g_malloc0(sizeof(*interface_stat));
1700 if (guest_get_network_stats(addr->AdapterName,
1701 interface_stat) == -1) {
1702 info->has_statistics = false;
1703 g_free(interface_stat);
1705 info->statistics = interface_stat;
1706 info->has_statistics = true;
1712 g_free(adptr_addrs);
1716 static int64_t filetime_to_ns(const FILETIME *tf)
1718 return ((((int64_t)tf->dwHighDateTime << 32) | tf->dwLowDateTime)
1719 - W32_FT_OFFSET) * 100;
1722 int64_t qmp_guest_get_time(Error **errp)
1724 SYSTEMTIME ts = {0};
1728 if (ts.wYear < 1601 || ts.wYear > 30827) {
1729 error_setg(errp, "Failed to get time");
1733 if (!SystemTimeToFileTime(&ts, &tf)) {
1734 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError());
1738 return filetime_to_ns(&tf);
1741 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp)
1743 Error *local_err = NULL;
1749 /* Unfortunately, Windows libraries don't provide an easy way to access
1752 * https://msdn.microsoft.com/en-us/library/aa908981.aspx
1754 * Instead, a workaround is to use the Windows win32tm command to
1755 * resync the time using the Windows Time service.
1760 HRESULT hr = system("w32tm /resync /nowait");
1762 if (GetLastError() != 0) {
1763 strerror_s((LPTSTR) & msg_buffer, 0, errno);
1764 error_setg(errp, "system(...) failed: %s", (LPCTSTR)msg_buffer);
1765 } else if (hr != 0) {
1766 if (hr == HRESULT_FROM_WIN32(ERROR_SERVICE_NOT_ACTIVE)) {
1767 error_setg(errp, "Windows Time service not running on the "
1770 if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
1771 FORMAT_MESSAGE_FROM_SYSTEM |
1772 FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
1773 (DWORD)hr, MAKELANGID(LANG_NEUTRAL,
1774 SUBLANG_DEFAULT), (LPTSTR) & msg_buffer, 0,
1776 error_setg(errp, "w32tm failed with error (0x%lx), couldn'"
1777 "t retrieve error message", hr);
1779 error_setg(errp, "w32tm failed with error (0x%lx): %s", hr,
1780 (LPCTSTR)msg_buffer);
1781 LocalFree(msg_buffer);
1784 } else if (!InternetGetConnectedState(&ret_flags, 0)) {
1785 error_setg(errp, "No internet connection on guest, sync not "
1791 /* Validate time passed by user. */
1792 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) {
1793 error_setg(errp, "Time %" PRId64 "is invalid", time_ns);
1797 time = time_ns / 100 + W32_FT_OFFSET;
1799 tf.dwLowDateTime = (DWORD) time;
1800 tf.dwHighDateTime = (DWORD) (time >> 32);
1802 if (!FileTimeToSystemTime(&tf, &ts)) {
1803 error_setg(errp, "Failed to convert system time %d",
1804 (int)GetLastError());
1808 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err);
1810 error_propagate(errp, local_err);
1814 if (!SetSystemTime(&ts)) {
1815 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError());
1820 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
1822 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr;
1824 GuestLogicalProcessorList *head, **tail;
1825 Error *local_err = NULL;
1834 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) &&
1835 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) &&
1836 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) {
1837 ptr = pslpi = g_malloc0(length);
1838 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) {
1839 error_setg(&local_err, "Failed to get processor information: %d",
1840 (int)GetLastError());
1843 error_setg(&local_err,
1844 "Failed to get processor information buffer length: %d",
1845 (int)GetLastError());
1848 while ((local_err == NULL) && (length > 0)) {
1849 if (pslpi->Relationship == RelationProcessorCore) {
1850 ULONG_PTR cpu_bits = pslpi->ProcessorMask;
1852 while (cpu_bits > 0) {
1853 if (!!(cpu_bits & 1)) {
1854 GuestLogicalProcessor *vcpu;
1856 vcpu = g_malloc0(sizeof *vcpu);
1857 vcpu->logical_id = current++;
1858 vcpu->online = true;
1859 vcpu->has_can_offline = true;
1861 QAPI_LIST_APPEND(tail, vcpu);
1866 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION);
1867 pslpi++; /* next entry */
1872 if (local_err == NULL) {
1876 /* there's no guest with zero VCPUs */
1877 error_setg(&local_err, "Guest reported zero VCPUs");
1880 qapi_free_GuestLogicalProcessorList(head);
1881 error_propagate(errp, local_err);
1885 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
1887 error_setg(errp, QERR_UNSUPPORTED);
1892 get_net_error_message(gint error)
1894 HMODULE module = NULL;
1895 gchar *retval = NULL;
1896 wchar_t *msg = NULL;
1900 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER |
1901 FORMAT_MESSAGE_IGNORE_INSERTS |
1902 FORMAT_MESSAGE_FROM_SYSTEM;
1904 if (error >= NERR_BASE && error <= MAX_NERR) {
1905 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
1907 if (module != NULL) {
1908 flags |= FORMAT_MESSAGE_FROM_HMODULE;
1912 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL);
1915 nchars = wcslen(msg);
1918 msg[nchars - 1] == L'\n' &&
1919 msg[nchars - 2] == L'\r') {
1920 msg[nchars - 2] = L'\0';
1923 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL);
1928 if (module != NULL) {
1929 FreeLibrary(module);
1935 void qmp_guest_set_user_password(const char *username,
1936 const char *password,
1941 char *rawpasswddata = NULL;
1942 size_t rawpasswdlen;
1943 wchar_t *user = NULL, *wpass = NULL;
1944 USER_INFO_1003 pi1003 = { 0, };
1945 GError *gerr = NULL;
1948 error_setg(errp, QERR_UNSUPPORTED);
1952 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp);
1953 if (!rawpasswddata) {
1956 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1);
1957 rawpasswddata[rawpasswdlen] = '\0';
1959 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr);
1964 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr);
1969 pi1003.usri1003_password = wpass;
1970 nas = NetUserSetInfo(NULL, user,
1971 1003, (LPBYTE)&pi1003,
1974 if (nas != NERR_Success) {
1975 gchar *msg = get_net_error_message(nas);
1976 error_setg(errp, "failed to set password: %s", msg);
1982 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
1987 g_free(rawpasswddata);
1990 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
1992 error_setg(errp, QERR_UNSUPPORTED);
1996 GuestMemoryBlockResponseList *
1997 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp)
1999 error_setg(errp, QERR_UNSUPPORTED);
2003 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp)
2005 error_setg(errp, QERR_UNSUPPORTED);
2009 /* add unsupported commands to the blacklist */
2010 GList *ga_command_blacklist_init(GList *blacklist)
2012 const char *list_unsupported[] = {
2013 "guest-suspend-hybrid",
2015 "guest-get-memory-blocks", "guest-set-memory-blocks",
2016 "guest-get-memory-block-size", "guest-get-memory-block-info",
2018 char **p = (char **)list_unsupported;
2021 blacklist = g_list_append(blacklist, g_strdup(*p++));
2024 if (!vss_init(true)) {
2025 g_debug("vss_init failed, vss commands are going to be disabled");
2026 const char *list[] = {
2027 "guest-get-fsinfo", "guest-fsfreeze-status",
2028 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL};
2032 blacklist = g_list_append(blacklist, g_strdup(*p++));
2039 /* register init/cleanup routines for stateful command groups */
2040 void ga_command_state_init(GAState *s, GACommandState *cs)
2042 if (!vss_initialized()) {
2043 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
2047 /* MINGW is missing two fields: IncomingFrames & OutgoingFrames */
2048 typedef struct _GA_WTSINFOA {
2049 WTS_CONNECTSTATE_CLASS State;
2051 DWORD IncomingBytes;
2052 DWORD OutgoingBytes;
2053 DWORD IncomingFrames;
2054 DWORD OutgoingFrames;
2055 DWORD IncomingCompressedBytes;
2056 DWORD OutgoingCompressedBy;
2057 CHAR WinStationName[WINSTATIONNAME_LENGTH];
2058 CHAR Domain[DOMAIN_LENGTH];
2059 CHAR UserName[USERNAME_LENGTH + 1];
2060 LARGE_INTEGER ConnectTime;
2061 LARGE_INTEGER DisconnectTime;
2062 LARGE_INTEGER LastInputTime;
2063 LARGE_INTEGER LogonTime;
2064 LARGE_INTEGER CurrentTime;
2068 GuestUserList *qmp_guest_get_users(Error **errp)
2070 #define QGA_NANOSECONDS 10000000
2072 GHashTable *cache = NULL;
2073 GuestUserList *head = NULL, **tail = &head;
2075 DWORD buffer_size = 0, count = 0, i = 0;
2076 GA_WTSINFOA *info = NULL;
2077 WTS_SESSION_INFOA *entries = NULL;
2078 GuestUser *user = NULL;
2079 gpointer value = NULL;
2081 double login_time = 0;
2083 cache = g_hash_table_new(g_str_hash, g_str_equal);
2085 if (WTSEnumerateSessionsA(NULL, 0, 1, &entries, &count)) {
2086 for (i = 0; i < count; ++i) {
2089 if (WTSQuerySessionInformationA(
2091 entries[i].SessionId,
2097 if (strlen(info->UserName) == 0) {
2098 WTSFreeMemory(info);
2102 login = info->LogonTime.QuadPart;
2103 login -= W32_FT_OFFSET;
2104 login_time = ((double)login) / QGA_NANOSECONDS;
2106 if (g_hash_table_contains(cache, info->UserName)) {
2107 value = g_hash_table_lookup(cache, info->UserName);
2108 user = (GuestUser *)value;
2109 if (user->login_time > login_time) {
2110 user->login_time = login_time;
2113 user = g_new0(GuestUser, 1);
2115 user->user = g_strdup(info->UserName);
2116 user->domain = g_strdup(info->Domain);
2117 user->has_domain = true;
2119 user->login_time = login_time;
2121 g_hash_table_add(cache, user->user);
2123 QAPI_LIST_APPEND(tail, user);
2126 WTSFreeMemory(info);
2128 WTSFreeMemory(entries);
2130 g_hash_table_destroy(cache);
2134 typedef struct _ga_matrix_lookup_t {
2137 char const *version;
2138 char const *version_id;
2139 } ga_matrix_lookup_t;
2141 static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][8] = {
2143 /* Desktop editions */
2144 { 5, 0, "Microsoft Windows 2000", "2000"},
2145 { 5, 1, "Microsoft Windows XP", "xp"},
2146 { 6, 0, "Microsoft Windows Vista", "vista"},
2147 { 6, 1, "Microsoft Windows 7" "7"},
2148 { 6, 2, "Microsoft Windows 8", "8"},
2149 { 6, 3, "Microsoft Windows 8.1", "8.1"},
2150 {10, 0, "Microsoft Windows 10", "10"},
2153 /* Server editions */
2154 { 5, 2, "Microsoft Windows Server 2003", "2003"},
2155 { 6, 0, "Microsoft Windows Server 2008", "2008"},
2156 { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"},
2157 { 6, 2, "Microsoft Windows Server 2012", "2012"},
2158 { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"},
2165 typedef struct _ga_win_10_0_server_t {
2167 char const *version;
2168 char const *version_id;
2169 } ga_win_10_0_server_t;
2171 static ga_win_10_0_server_t const WIN_10_0_SERVER_VERSION_MATRIX[4] = {
2172 {14393, "Microsoft Windows Server 2016", "2016"},
2173 {17763, "Microsoft Windows Server 2019", "2019"},
2174 {20344, "Microsoft Windows Server 2022", "2022"},
2178 static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp)
2180 typedef NTSTATUS(WINAPI *rtl_get_version_t)(
2181 RTL_OSVERSIONINFOEXW *os_version_info_ex);
2183 info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW);
2185 HMODULE module = GetModuleHandle("ntdll");
2186 PVOID fun = GetProcAddress(module, "RtlGetVersion");
2188 error_setg(errp, QERR_QGA_COMMAND_FAILED,
2189 "Failed to get address of RtlGetVersion");
2193 rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun;
2194 rtl_get_version(info);
2198 static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id)
2200 DWORD major = os_version->dwMajorVersion;
2201 DWORD minor = os_version->dwMinorVersion;
2202 DWORD build = os_version->dwBuildNumber;
2203 int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION);
2204 ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx];
2205 ga_win_10_0_server_t const *win_10_0_table = WIN_10_0_SERVER_VERSION_MATRIX;
2206 while (table->version != NULL) {
2207 if (major == 10 && minor == 0 && tbl_idx) {
2208 while (win_10_0_table->version != NULL) {
2209 if (build <= win_10_0_table->final_build) {
2211 return g_strdup(win_10_0_table->version_id);
2213 return g_strdup(win_10_0_table->version);
2218 } else if (major == table->major && minor == table->minor) {
2220 return g_strdup(table->version_id);
2222 return g_strdup(table->version);
2227 slog("failed to lookup Windows version: major=%lu, minor=%lu",
2229 return g_strdup("N/A");
2232 static char *ga_get_win_product_name(Error **errp)
2234 HKEY key = INVALID_HANDLE_VALUE;
2236 char *result = g_malloc0(size);
2237 LONG err = ERROR_SUCCESS;
2239 err = RegOpenKeyA(HKEY_LOCAL_MACHINE,
2240 "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion",
2242 if (err != ERROR_SUCCESS) {
2243 error_setg_win32(errp, err, "failed to open registry key");
2248 err = RegQueryValueExA(key, "ProductName", NULL, NULL,
2249 (LPBYTE)result, &size);
2250 if (err == ERROR_MORE_DATA) {
2251 slog("ProductName longer than expected (%lu bytes), retrying",
2256 result = g_malloc0(size);
2257 err = RegQueryValueExA(key, "ProductName", NULL, NULL,
2258 (LPBYTE)result, &size);
2261 if (err != ERROR_SUCCESS) {
2262 error_setg_win32(errp, err, "failed to retrive ProductName");
2270 if (key != INVALID_HANDLE_VALUE) {
2277 static char *ga_get_current_arch(void)
2280 GetNativeSystemInfo(&info);
2281 char *result = NULL;
2282 switch (info.wProcessorArchitecture) {
2283 case PROCESSOR_ARCHITECTURE_AMD64:
2284 result = g_strdup("x86_64");
2286 case PROCESSOR_ARCHITECTURE_ARM:
2287 result = g_strdup("arm");
2289 case PROCESSOR_ARCHITECTURE_IA64:
2290 result = g_strdup("ia64");
2292 case PROCESSOR_ARCHITECTURE_INTEL:
2293 result = g_strdup("x86");
2295 case PROCESSOR_ARCHITECTURE_UNKNOWN:
2297 slog("unknown processor architecture 0x%0x",
2298 info.wProcessorArchitecture);
2299 result = g_strdup("unknown");
2305 GuestOSInfo *qmp_guest_get_osinfo(Error **errp)
2307 Error *local_err = NULL;
2308 OSVERSIONINFOEXW os_version = {0};
2313 ga_get_win_version(&os_version, &local_err);
2315 error_propagate(errp, local_err);
2319 server = os_version.wProductType != VER_NT_WORKSTATION;
2320 product_name = ga_get_win_product_name(errp);
2321 if (product_name == NULL) {
2325 info = g_new0(GuestOSInfo, 1);
2327 info->has_kernel_version = true;
2328 info->kernel_version = g_strdup_printf("%lu.%lu",
2329 os_version.dwMajorVersion,
2330 os_version.dwMinorVersion);
2331 info->has_kernel_release = true;
2332 info->kernel_release = g_strdup_printf("%lu",
2333 os_version.dwBuildNumber);
2334 info->has_machine = true;
2335 info->machine = ga_get_current_arch();
2337 info->has_id = true;
2338 info->id = g_strdup("mswindows");
2339 info->has_name = true;
2340 info->name = g_strdup("Microsoft Windows");
2341 info->has_pretty_name = true;
2342 info->pretty_name = product_name;
2343 info->has_version = true;
2344 info->version = ga_get_win_name(&os_version, false);
2345 info->has_version_id = true;
2346 info->version_id = ga_get_win_name(&os_version, true);
2347 info->has_variant = true;
2348 info->variant = g_strdup(server ? "server" : "client");
2349 info->has_variant_id = true;
2350 info->variant_id = g_strdup(server ? "server" : "client");
2356 * Safely get device property. Returned strings are using wide characters.
2357 * Caller is responsible for freeing the buffer.
2359 static LPBYTE cm_get_property(DEVINST devInst, const DEVPROPKEY *propName,
2360 PDEVPROPTYPE propType)
2363 g_autofree LPBYTE buffer = NULL;
2364 ULONG buffer_len = 0;
2366 /* First query for needed space */
2367 cr = CM_Get_DevNode_PropertyW(devInst, propName, propType,
2368 buffer, &buffer_len, 0);
2369 if (cr != CR_SUCCESS && cr != CR_BUFFER_SMALL) {
2371 slog("failed to get property size, error=0x%lx", cr);
2374 buffer = g_new0(BYTE, buffer_len + 1);
2375 cr = CM_Get_DevNode_PropertyW(devInst, propName, propType,
2376 buffer, &buffer_len, 0);
2377 if (cr != CR_SUCCESS) {
2378 slog("failed to get device property, error=0x%lx", cr);
2381 return g_steal_pointer(&buffer);
2384 static GStrv ga_get_hardware_ids(DEVINST devInstance)
2386 GArray *values = NULL;
2387 DEVPROPTYPE cm_type;
2389 g_autofree LPWSTR property = (LPWSTR)cm_get_property(devInstance,
2390 &qga_DEVPKEY_Device_HardwareIds, &cm_type);
2391 if (property == NULL) {
2392 slog("failed to get hardware IDs");
2395 if (*property == '\0') {
2399 values = g_array_new(TRUE, TRUE, sizeof(gchar *));
2400 for (id = property; '\0' != *id; id += lstrlenW(id) + 1) {
2401 gchar *id8 = g_utf16_to_utf8(id, -1, NULL, NULL, NULL);
2402 g_array_append_val(values, id8);
2404 return (GStrv)g_array_free(values, FALSE);
2408 * https://docs.microsoft.com/en-us/windows-hardware/drivers/install/identifiers-for-pci-devices
2410 #define DEVICE_PCI_RE "PCI\\\\VEN_(1AF4|1B36)&DEV_([0-9A-B]{4})(&|$)"
2412 GuestDeviceInfoList *qmp_guest_get_devices(Error **errp)
2414 GuestDeviceInfoList *head = NULL, **tail = &head;
2415 HDEVINFO dev_info = INVALID_HANDLE_VALUE;
2416 SP_DEVINFO_DATA dev_info_data;
2418 GError *gerr = NULL;
2419 g_autoptr(GRegex) device_pci_re = NULL;
2420 DEVPROPTYPE cm_type;
2422 device_pci_re = g_regex_new(DEVICE_PCI_RE,
2423 G_REGEX_ANCHORED | G_REGEX_OPTIMIZE, 0,
2425 g_assert(device_pci_re != NULL);
2427 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
2428 dev_info = SetupDiGetClassDevs(0, 0, 0, DIGCF_PRESENT | DIGCF_ALLCLASSES);
2429 if (dev_info == INVALID_HANDLE_VALUE) {
2430 error_setg(errp, "failed to get device tree");
2434 slog("enumerating devices");
2435 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
2437 g_autofree LPWSTR name = NULL;
2438 g_autofree LPFILETIME date = NULL;
2439 g_autofree LPWSTR version = NULL;
2440 g_auto(GStrv) hw_ids = NULL;
2441 g_autoptr(GuestDeviceInfo) device = g_new0(GuestDeviceInfo, 1);
2442 g_autofree char *vendor_id = NULL;
2443 g_autofree char *device_id = NULL;
2445 name = (LPWSTR)cm_get_property(dev_info_data.DevInst,
2446 &qga_DEVPKEY_NAME, &cm_type);
2448 slog("failed to get device description");
2451 device->driver_name = g_utf16_to_utf8(name, -1, NULL, NULL, NULL);
2452 if (device->driver_name == NULL) {
2453 error_setg(errp, "conversion to utf8 failed (driver name)");
2456 slog("querying device: %s", device->driver_name);
2457 hw_ids = ga_get_hardware_ids(dev_info_data.DevInst);
2458 if (hw_ids == NULL) {
2461 for (j = 0; hw_ids[j] != NULL; j++) {
2462 g_autoptr(GMatchInfo) match_info;
2463 GuestDeviceIdPCI *id;
2464 if (!g_regex_match(device_pci_re, hw_ids[j], 0, &match_info)) {
2469 vendor_id = g_match_info_fetch(match_info, 1);
2470 device_id = g_match_info_fetch(match_info, 2);
2472 device->id = g_new0(GuestDeviceId, 1);
2473 device->has_id = true;
2474 device->id->type = GUEST_DEVICE_TYPE_PCI;
2475 id = &device->id->u.pci;
2476 id->vendor_id = g_ascii_strtoull(vendor_id, NULL, 16);
2477 id->device_id = g_ascii_strtoull(device_id, NULL, 16);
2485 version = (LPWSTR)cm_get_property(dev_info_data.DevInst,
2486 &qga_DEVPKEY_Device_DriverVersion, &cm_type);
2487 if (version == NULL) {
2488 slog("failed to get driver version");
2491 device->driver_version = g_utf16_to_utf8(version, -1, NULL,
2493 if (device->driver_version == NULL) {
2494 error_setg(errp, "conversion to utf8 failed (driver version)");
2497 device->has_driver_version = true;
2499 date = (LPFILETIME)cm_get_property(dev_info_data.DevInst,
2500 &qga_DEVPKEY_Device_DriverDate, &cm_type);
2502 slog("failed to get driver date");
2505 device->driver_date = filetime_to_ns(date);
2506 device->has_driver_date = true;
2508 slog("driver: %s\ndriver version: %" PRId64 ",%s\n",
2509 device->driver_name, device->driver_date,
2510 device->driver_version);
2511 QAPI_LIST_APPEND(tail, g_steal_pointer(&device));
2514 if (dev_info != INVALID_HANDLE_VALUE) {
2515 SetupDiDestroyDeviceInfoList(dev_info);