aboutsummaryrefslogtreecommitdiff
path: root/qga/commands-win32.c
diff options
context:
space:
mode:
authorPeter Maydell <peter.maydell@linaro.org>2020-09-14 10:34:35 +0100
committerPeter Maydell <peter.maydell@linaro.org>2020-09-14 10:34:35 +0100
commit95f217983919b5553d3d77ae0555e4119d383c87 (patch)
tree1c6c128bfa1e4e9d23df795da23df39a0e591dec /qga/commands-win32.c
parentf00f57f344236bbbe4c20845a0276a490dd5ffea (diff)
parent2e4211cee49a666bf0e333011689b0981025879e (diff)
downloadqemu-arm-95f217983919b5553d3d77ae0555e4119d383c87.tar.gz
Merge remote-tracking branch 'remotes/mdroth/tags/qga-pull-2020-09-12-tag' into staging
patch queue for qemu-ga * add guest-get-devices for reporting virtio devices (w32-only) * extend guest-get-fsinfo to support non-PCI virtio disk controllers # gpg: Signature made Mon 14 Sep 2020 02:53:51 BST # gpg: using RSA key CEACC9E15534EBABB82D3FA03353C9CEF108B584 # gpg: issuer "mdroth@linux.vnet.ibm.com" # gpg: Good signature from "Michael Roth <flukshun@gmail.com>" [full] # gpg: aka "Michael Roth <mdroth@utexas.edu>" [full] # gpg: aka "Michael Roth <mdroth@linux.vnet.ibm.com>" [full] # Primary key fingerprint: CEAC C9E1 5534 EBAB B82D 3FA0 3353 C9CE F108 B584 * remotes/mdroth/tags/qga-pull-2020-09-12-tag: qga: add command guest-get-devices for reporting VirtIO devices qga/commands-posix: Support fsinfo for non-PCI virtio devices, too qga/commands-posix: Move the udev code from the pci to the generic function qga/commands-posix: Rework build_guest_fsinfo_for_real_device() function Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'qga/commands-win32.c')
-rw-r--r--qga/commands-win32.c210
1 files changed, 209 insertions, 1 deletions
diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index 15c9d7944b..48d8bbe649 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -21,10 +21,11 @@
#ifdef CONFIG_QGA_NTDDSCSI
#include <winioctl.h>
#include <ntddscsi.h>
+#endif
#include <setupapi.h>
#include <cfgmgr32.h>
#include <initguid.h>
-#endif
+#include <devpropdef.h>
#include <lm.h>
#include <wtsapi32.h>
#include <wininet.h>
@@ -39,6 +40,36 @@
#include "qemu/base64.h"
#include "commands-common.h"
+/*
+ * The following should be in devpkey.h, but it isn't. The key names were
+ * prefixed to avoid (future) name clashes. Once the definitions get into
+ * mingw the following lines can be removed.
+ */
+DEFINE_DEVPROPKEY(qga_DEVPKEY_NAME, 0xb725f130, 0x47ef, 0x101a, 0xa5,
+ 0xf1, 0x02, 0x60, 0x8c, 0x9e, 0xeb, 0xac, 10);
+ /* DEVPROP_TYPE_STRING */
+DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_HardwareIds, 0xa45c254e, 0xdf1c,
+ 0x4efd, 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 3);
+ /* DEVPROP_TYPE_STRING_LIST */
+DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_DriverDate, 0xa8b865dd, 0x2e3d,
+ 0x4094, 0xad, 0x97, 0xe5, 0x93, 0xa7, 0xc, 0x75, 0xd6, 2);
+ /* DEVPROP_TYPE_FILETIME */
+DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_DriverVersion, 0xa8b865dd, 0x2e3d,
+ 0x4094, 0xad, 0x97, 0xe5, 0x93, 0xa7, 0xc, 0x75, 0xd6, 3);
+ /* DEVPROP_TYPE_STRING */
+/* The following shoud be in cfgmgr32.h, but it isn't */
+#ifndef CM_Get_DevNode_Property
+CMAPI CONFIGRET WINAPI CM_Get_DevNode_PropertyW(
+ DEVINST dnDevInst,
+ CONST DEVPROPKEY * PropertyKey,
+ DEVPROPTYPE * PropertyType,
+ PBYTE PropertyBuffer,
+ PULONG PropertyBufferSize,
+ ULONG ulFlags
+);
+#define CM_Get_DevNode_Property CM_Get_DevNode_PropertyW
+#endif
+
#ifndef SHTDN_REASON_FLAG_PLANNED
#define SHTDN_REASON_FLAG_PLANNED 0x80000000
#endif
@@ -2246,3 +2277,180 @@ GuestOSInfo *qmp_guest_get_osinfo(Error **errp)
return info;
}
+
+/*
+ * Safely get device property. Returned strings are using wide characters.
+ * Caller is responsible for freeing the buffer.
+ */
+static LPBYTE cm_get_property(DEVINST devInst, const DEVPROPKEY *propName,
+ PDEVPROPTYPE propType)
+{
+ CONFIGRET cr;
+ g_autofree LPBYTE buffer = NULL;
+ ULONG buffer_len = 0;
+
+ /* First query for needed space */
+ cr = CM_Get_DevNode_PropertyW(devInst, propName, propType,
+ buffer, &buffer_len, 0);
+ if (cr != CR_SUCCESS && cr != CR_BUFFER_SMALL) {
+
+ slog("failed to get property size, error=0x%lx", cr);
+ return NULL;
+ }
+ buffer = g_new0(BYTE, buffer_len + 1);
+ cr = CM_Get_DevNode_PropertyW(devInst, propName, propType,
+ buffer, &buffer_len, 0);
+ if (cr != CR_SUCCESS) {
+ slog("failed to get device property, error=0x%lx", cr);
+ return NULL;
+ }
+ return g_steal_pointer(&buffer);
+}
+
+static GStrv ga_get_hardware_ids(DEVINST devInstance)
+{
+ GArray *values = NULL;
+ DEVPROPTYPE cm_type;
+ LPWSTR id;
+ g_autofree LPWSTR property = (LPWSTR)cm_get_property(devInstance,
+ &qga_DEVPKEY_Device_HardwareIds, &cm_type);
+ if (property == NULL) {
+ slog("failed to get hardware IDs");
+ return NULL;
+ }
+ if (*property == '\0') {
+ /* empty list */
+ return NULL;
+ }
+ values = g_array_new(TRUE, TRUE, sizeof(gchar *));
+ for (id = property; '\0' != *id; id += lstrlenW(id) + 1) {
+ gchar *id8 = g_utf16_to_utf8(id, -1, NULL, NULL, NULL);
+ g_array_append_val(values, id8);
+ }
+ return (GStrv)g_array_free(values, FALSE);
+}
+
+/*
+ * https://docs.microsoft.com/en-us/windows-hardware/drivers/install/identifiers-for-pci-devices
+ */
+#define DEVICE_PCI_RE "PCI\\\\VEN_(1AF4|1B36)&DEV_([0-9A-B]{4})(&|$)"
+
+GuestDeviceInfoList *qmp_guest_get_devices(Error **errp)
+{
+ GuestDeviceInfoList *head = NULL, *cur_item = NULL, *item = NULL;
+ HDEVINFO dev_info = INVALID_HANDLE_VALUE;
+ SP_DEVINFO_DATA dev_info_data;
+ int i, j;
+ GError *gerr = NULL;
+ g_autoptr(GRegex) device_pci_re = NULL;
+ DEVPROPTYPE cm_type;
+
+ device_pci_re = g_regex_new(DEVICE_PCI_RE,
+ G_REGEX_ANCHORED | G_REGEX_OPTIMIZE, 0,
+ &gerr);
+ g_assert(device_pci_re != NULL);
+
+ dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
+ dev_info = SetupDiGetClassDevs(0, 0, 0, DIGCF_PRESENT | DIGCF_ALLCLASSES);
+ if (dev_info == INVALID_HANDLE_VALUE) {
+ error_setg(errp, "failed to get device tree");
+ return NULL;
+ }
+
+ slog("enumerating devices");
+ for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
+ bool skip = true;
+ SYSTEMTIME utc_date;
+ g_autofree LPWSTR name = NULL;
+ g_autofree LPFILETIME date = NULL;
+ g_autofree LPWSTR version = NULL;
+ g_auto(GStrv) hw_ids = NULL;
+ g_autoptr(GuestDeviceInfo) device = g_new0(GuestDeviceInfo, 1);
+ g_autofree char *vendor_id = NULL;
+ g_autofree char *device_id = NULL;
+
+ name = (LPWSTR)cm_get_property(dev_info_data.DevInst,
+ &qga_DEVPKEY_NAME, &cm_type);
+ if (name == NULL) {
+ slog("failed to get device description");
+ continue;
+ }
+ device->driver_name = g_utf16_to_utf8(name, -1, NULL, NULL, NULL);
+ if (device->driver_name == NULL) {
+ error_setg(errp, "conversion to utf8 failed (driver name)");
+ continue;
+ }
+ slog("querying device: %s", device->driver_name);
+ hw_ids = ga_get_hardware_ids(dev_info_data.DevInst);
+ if (hw_ids == NULL) {
+ continue;
+ }
+ for (j = 0; hw_ids[j] != NULL; j++) {
+ GMatchInfo *match_info;
+ GuestDeviceAddressPCI *address;
+ if (!g_regex_match(device_pci_re, hw_ids[j], 0, &match_info)) {
+ continue;
+ }
+ skip = false;
+
+ address = g_new0(GuestDeviceAddressPCI, 1);
+ vendor_id = g_match_info_fetch(match_info, 1);
+ device_id = g_match_info_fetch(match_info, 2);
+ address->vendor_id = g_ascii_strtoull(vendor_id, NULL, 16);
+ address->device_id = g_ascii_strtoull(device_id, NULL, 16);
+
+ device->address = g_new0(GuestDeviceAddress, 1);
+ device->has_address = true;
+ device->address->type = GUEST_DEVICE_ADDRESS_KIND_PCI;
+ device->address->u.pci.data = address;
+
+ g_match_info_free(match_info);
+ break;
+ }
+ if (skip) {
+ continue;
+ }
+
+ version = (LPWSTR)cm_get_property(dev_info_data.DevInst,
+ &qga_DEVPKEY_Device_DriverVersion, &cm_type);
+ if (version == NULL) {
+ slog("failed to get driver version");
+ continue;
+ }
+ device->driver_version = g_utf16_to_utf8(version, -1, NULL,
+ NULL, NULL);
+ if (device->driver_version == NULL) {
+ error_setg(errp, "conversion to utf8 failed (driver version)");
+ continue;
+ }
+ device->has_driver_version = true;
+
+ date = (LPFILETIME)cm_get_property(dev_info_data.DevInst,
+ &qga_DEVPKEY_Device_DriverDate, &cm_type);
+ if (date == NULL) {
+ slog("failed to get driver date");
+ continue;
+ }
+ FileTimeToSystemTime(date, &utc_date);
+ device->driver_date = g_strdup_printf("%04d-%02d-%02d",
+ utc_date.wYear, utc_date.wMonth, utc_date.wDay);
+ device->has_driver_date = true;
+
+ slog("driver: %s\ndriver version: %s,%s\n", device->driver_name,
+ device->driver_date, device->driver_version);
+ item = g_new0(GuestDeviceInfoList, 1);
+ item->value = g_steal_pointer(&device);
+ if (!cur_item) {
+ head = cur_item = item;
+ } else {
+ cur_item->next = item;
+ cur_item = item;
+ }
+ continue;
+ }
+
+ if (dev_info != INVALID_HANDLE_VALUE) {
+ SetupDiDestroyDeviceInfoList(dev_info);
+ }
+ return head;
+}