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[Qemu-devel] [PATCH v5 13/14] qga-win: return disk device in guest-get-f
From: |
Tomáš Golembiovský |
Subject: |
[Qemu-devel] [PATCH v5 13/14] qga-win: return disk device in guest-get-fsinfo |
Date: |
Tue, 23 Oct 2018 13:23:22 +0200 |
Report device UNC of the disk. It is reported as "\\.\PhysicalDriveX".
Signed-off-by: Tomáš Golembiovský <address@hidden>
---
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 09566b3f47..12aba8cc50 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -654,8 +654,7 @@ 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;
@@ -664,8 +663,8 @@ 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");
@@ -682,7 +681,7 @@ static void get_single_disk_info(char *name,
GuestDiskAddress *disk,
/* always set pci_controller as required by schema. get_pci_info() should
* report -1 values for non-PCI buses rather than fail.
*/
- 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;
@@ -765,7 +764,9 @@ 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));
@@ -787,7 +788,6 @@ 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
@@ -798,10 +798,11 @@ 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;
--
2.19.0
- [Qemu-devel] [PATCH v5 03/14] qga: linux: return disk device in guest-get-fsinfo, (continued)
- [Qemu-devel] [PATCH v5 03/14] qga: linux: return disk device in guest-get-fsinfo, Tomáš Golembiovský, 2018/10/23
- [Qemu-devel] [PATCH v5 01/14] configure: add test for libudev, Tomáš Golembiovský, 2018/10/23
- [Qemu-devel] [PATCH v5 09/14] qga-win: refactor disk properties (bus), Tomáš Golembiovský, 2018/10/23
- [Qemu-devel] [PATCH v5 06/14] *additonal fixup for NULL pci_controller field, Tomáš Golembiovský, 2018/10/23
- [Qemu-devel] [PATCH v5 11/14] qga-win: refactor disk info, Tomáš Golembiovský, 2018/10/23
- [Qemu-devel] [PATCH v5 10/14] qga-win: report disk serial number, Tomáš Golembiovský, 2018/10/23
- [Qemu-devel] [PATCH v5 07/14] build: rename CONFIG_QGA_NTDDDISK to CONFIG_QGA_NTDDSCSI, Tomáš Golembiovský, 2018/10/23
- [Qemu-devel] [PATCH v5 08/14] qga-win: add debugging information, Tomáš Golembiovský, 2018/10/23
- [Qemu-devel] [PATCH v5 12/14] qga-win: handle multi-disk volumes, Tomáš Golembiovský, 2018/10/23
- [Qemu-devel] [PATCH v5 14/14] qga-win: demystify namespace stripping, Tomáš Golembiovský, 2018/10/23
- [Qemu-devel] [PATCH v5 13/14] qga-win: return disk device in guest-get-fsinfo,
Tomáš Golembiovský <=
- Re: [Qemu-devel] [PATCH v5 00/14] qga: report serial number and disk node, Michael Roth, 2018/10/29