From 4550dee80fc1bba37bce141a3d6f83c3e390e719 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Golembiovsk=C3=BD?= Date: Tue, 23 Oct 2018 13:23:22 +0200 Subject: [PATCH] qga-win: return disk device in guest-get-fsinfo MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Report device UNC of the disk. It is reported as "\\.\PhysicalDriveX". Signed-off-by: Tomáš Golembiovský Signed-off-by: Michael Roth --- qga/commands-win32.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/qga/commands-win32.c b/qga/commands-win32.c index 90432bbfce..30d6c639c3 100644 --- a/qga/commands-win32.c +++ b/qga/commands-win32.c @@ -684,8 +684,7 @@ out_free: return; } -static void get_single_disk_info(char *name, GuestDiskAddress *disk, - Error **errp) +static void get_single_disk_info(GuestDiskAddress *disk, Error **errp) { SCSI_ADDRESS addr, *scsi_ad; DWORD len; @@ -694,8 +693,8 @@ static void get_single_disk_info(char *name, GuestDiskAddress *disk, scsi_ad = &addr; - g_debug("getting disk info for: %s", name); - disk_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, + g_debug("getting disk info for: %s", disk->dev); + disk_h = CreateFile(disk->dev, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL); if (disk_h == INVALID_HANDLE_VALUE) { error_setg_win32(errp, GetLastError(), "failed to open disk"); @@ -714,7 +713,7 @@ static void get_single_disk_info(char *name, GuestDiskAddress *disk, * if that doesn't hold since that suggests some other unexpected * breakage */ - disk->pci_controller = get_pci_info(name, &local_err); + disk->pci_controller = get_pci_info(disk->dev, &local_err); if (local_err) { error_propagate(errp, local_err); goto err_close; @@ -797,7 +796,9 @@ static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) /* Possibly CD-ROM or a shared drive. Try to pass the volume */ g_debug("volume not on disk"); disk = g_malloc0(sizeof(GuestDiskAddress)); - get_single_disk_info(name, disk, &local_err); + disk->has_dev = true; + disk->dev = g_strdup(name); + get_single_disk_info(disk, &local_err); if (local_err) { g_debug("failed to get disk info, ignoring error: %s", error_get_pretty(local_err)); @@ -819,7 +820,6 @@ static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) /* Go through each extent */ for (i = 0; i < extents->NumberOfDiskExtents; i++) { - char *disk_name = NULL; disk = g_malloc0(sizeof(GuestDiskAddress)); /* Disk numbers directly correspond to numbers used in UNCs @@ -830,10 +830,11 @@ static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) * See also Naming Files, Paths and Namespaces: * https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#win32-device-namespaces */ - disk_name = g_strdup_printf("\\\\.\\PhysicalDrive%lu", + disk->has_dev = true; + disk->dev = g_strdup_printf("\\\\.\\PhysicalDrive%lu", extents->Extents[i].DiskNumber); - get_single_disk_info(disk_name, disk, &local_err); - g_free(disk_name); + + get_single_disk_info(disk, &local_err); if (local_err) { error_propagate(errp, local_err); goto out;