diff options
Diffstat (limited to 'qga')
| -rw-r--r-- | qga/commands-win32.c | 107 |
1 files changed, 101 insertions, 6 deletions
diff --git a/qga/commands-win32.c b/qga/commands-win32.c index f7bdd5a8b5..300b87c859 100644 --- a/qga/commands-win32.c +++ b/qga/commands-win32.c @@ -979,6 +979,101 @@ out: return list; } +GuestDiskInfoList *qmp_guest_get_disks(Error **errp) +{ + ERRP_GUARD(); + GuestDiskInfoList *new = NULL, *ret = NULL; + HDEVINFO dev_info; + SP_DEVICE_INTERFACE_DATA dev_iface_data; + int i; + + dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0, + DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); + if (dev_info == INVALID_HANDLE_VALUE) { + error_setg_win32(errp, GetLastError(), "failed to get device tree"); + return NULL; + } + + g_debug("enumerating devices"); + dev_iface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA); + for (i = 0; + SetupDiEnumDeviceInterfaces(dev_info, NULL, &GUID_DEVINTERFACE_DISK, + i, &dev_iface_data); + i++) { + GuestDiskAddress *address = NULL; + GuestDiskInfo *disk = NULL; + Error *local_err = NULL; + g_autofree PSP_DEVICE_INTERFACE_DETAIL_DATA + pdev_iface_detail_data = NULL; + STORAGE_DEVICE_NUMBER sdn; + HANDLE dev_file; + DWORD size = 0; + BOOL result; + int attempt; + + g_debug(" getting device path"); + for (attempt = 0, result = FALSE; attempt < 2 && !result; attempt++) { + result = SetupDiGetDeviceInterfaceDetail(dev_info, + &dev_iface_data, pdev_iface_detail_data, size, &size, NULL); + if (result) { + break; + } + if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { + pdev_iface_detail_data = g_realloc(pdev_iface_detail_data, + size); + pdev_iface_detail_data->cbSize = + sizeof(*pdev_iface_detail_data); + } else { + g_debug("failed to get device interface details"); + break; + } + } + if (!result) { + g_debug("skipping device"); + continue; + } + + g_debug(" device: %s", pdev_iface_detail_data->DevicePath); + dev_file = CreateFile(pdev_iface_detail_data->DevicePath, 0, + FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL); + if (!DeviceIoControl(dev_file, IOCTL_STORAGE_GET_DEVICE_NUMBER, + NULL, 0, &sdn, sizeof(sdn), &size, NULL)) { + CloseHandle(dev_file); + debug_error("failed to get storage device number"); + continue; + } + CloseHandle(dev_file); + + disk = g_new0(GuestDiskInfo, 1); + disk->name = g_strdup_printf("\\\\.\\PhysicalDrive%lu", + sdn.DeviceNumber); + + g_debug(" number: %lu", sdn.DeviceNumber); + address = g_malloc0(sizeof(GuestDiskAddress)); + address->has_dev = true; + address->dev = g_strdup(disk->name); + get_single_disk_info(sdn.DeviceNumber, address, &local_err); + if (local_err) { + g_debug("failed to get disk info: %s", + error_get_pretty(local_err)); + error_free(local_err); + qapi_free_GuestDiskAddress(address); + address = NULL; + } else { + disk->address = address; + disk->has_address = true; + } + + new = g_malloc0(sizeof(GuestDiskInfoList)); + new->value = disk; + new->next = ret; + ret = new; + } + + SetupDiDestroyDeviceInfoList(dev_info); + return ret; +} + #else static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) @@ -986,6 +1081,12 @@ static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) return NULL; } +GuestDiskInfoList *qmp_guest_get_disks(Error **errp) +{ + error_setg(errp, QERR_UNSUPPORTED); + return NULL; +} + #endif /* CONFIG_QGA_NTDDSCSI */ static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp) @@ -2458,9 +2559,3 @@ GuestDeviceInfoList *qmp_guest_get_devices(Error **errp) } return head; } - -GuestDiskInfoList *qmp_guest_get_disks(Error **errp) -{ - error_setg(errp, QERR_UNSUPPORTED); - return NULL; -} |