diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 422144bcff..14683dfbd5 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -1150,13 +1150,27 @@ static void build_guest_fsinfo_for_virtual_device(char const *syspath,
     closedir(dir);
 }
 
+static bool is_disk_virtual(const char *devpath, Error **errp)
+{
+    g_autofree char *syspath = realpath(devpath, NULL);
+
+    if (!syspath) {
+        error_setg_errno(errp, errno, "realpath(\"%s\")", devpath);
+        return false;
+    }
+    return strstr(syspath, "/devices/virtual/block/") != NULL;
+}
+
 /* Dispatch to functions for virtual/real device */
 static void build_guest_fsinfo_for_device(char const *devpath,
                                           GuestFilesystemInfo *fs,
                                           Error **errp)
 {
-    char *syspath = realpath(devpath, NULL);
+    ERRP_GUARD();
+    g_autofree char *syspath = NULL;
+    bool is_virtual = false;
 
+    syspath = realpath(devpath, NULL);
     if (!syspath) {
         error_setg_errno(errp, errno, "realpath(\"%s\")", devpath);
         return;
@@ -1167,16 +1181,281 @@ static void build_guest_fsinfo_for_device(char const *devpath,
     }
 
     g_debug("  parse sysfs path '%s'", syspath);
-
-    if (strstr(syspath, "/devices/virtual/block/")) {
+    is_virtual = is_disk_virtual(syspath, errp);
+    if (*errp != NULL) {
+        return;
+    }
+    if (is_virtual) {
         build_guest_fsinfo_for_virtual_device(syspath, fs, errp);
     } else {
         build_guest_fsinfo_for_real_device(syspath, fs, errp);
     }
+}
+
+#ifdef CONFIG_LIBUDEV
+
+/*
+ * Wrapper around build_guest_fsinfo_for_device() for getting just
+ * the disk address.
+ */
+static GuestDiskAddress *get_disk_address(const char *syspath, Error **errp)
+{
+    g_autoptr(GuestFilesystemInfo) fs = NULL;
+
+    fs = g_new0(GuestFilesystemInfo, 1);
+    build_guest_fsinfo_for_device(syspath, fs, errp);
+    if (fs->disk != NULL) {
+        return g_steal_pointer(&fs->disk->value);
+    }
+    return NULL;
+}
+
+static char *get_alias_for_syspath(const char *syspath)
+{
+    struct udev *udev = NULL;
+    struct udev_device *udevice = NULL;
+    char *ret = NULL;
+
+    udev = udev_new();
+    if (udev == NULL) {
+        g_debug("failed to query udev");
+        goto out;
+    }
+    udevice = udev_device_new_from_syspath(udev, syspath);
+    if (udevice == NULL) {
+        g_debug("failed to query udev for path: %s", syspath);
+        goto out;
+    } else {
+        const char *alias = udev_device_get_property_value(
+            udevice, "DM_NAME");
+        /*
+         * NULL means there was an error and empty string means there is no
+         * alias. In case of no alias we return NULL instead of empty string.
+         */
+        if (alias == NULL) {
+            g_debug("failed to query udev for device alias for: %s",
+                syspath);
+        } else if (*alias != 0) {
+            ret = g_strdup(alias);
+        }
+    }
+
+out:
+    udev_unref(udev);
+    udev_device_unref(udevice);
+    return ret;
+}
+
+static char *get_device_for_syspath(const char *syspath)
+{
+    struct udev *udev = NULL;
+    struct udev_device *udevice = NULL;
+    char *ret = NULL;
+
+    udev = udev_new();
+    if (udev == NULL) {
+        g_debug("failed to query udev");
+        goto out;
+    }
+    udevice = udev_device_new_from_syspath(udev, syspath);
+    if (udevice == NULL) {
+        g_debug("failed to query udev for path: %s", syspath);
+        goto out;
+    } else {
+        ret = g_strdup(udev_device_get_devnode(udevice));
+    }
+
+out:
+    udev_unref(udev);
+    udev_device_unref(udevice);
+    return ret;
+}
+
+static void get_disk_deps(const char *disk_dir, GuestDiskInfo *disk)
+{
+    g_autofree char *deps_dir = NULL;
+    const gchar *dep;
+    GDir *dp_deps = NULL;
+
+    /* List dependent disks */
+    deps_dir = g_strdup_printf("%s/slaves", disk_dir);
+    g_debug("  listing entries in: %s", deps_dir);
+    dp_deps = g_dir_open(deps_dir, 0, NULL);
+    if (dp_deps == NULL) {
+        g_debug("failed to list entries in %s", deps_dir);
+        return;
+    }
+    while ((dep = g_dir_read_name(dp_deps)) != NULL) {
+        g_autofree char *dep_dir = NULL;
+        strList *dep_item = NULL;
+        char *dev_name;
 
-    free(syspath);
+        /* Add dependent disks */
+        dep_dir = g_strdup_printf("%s/%s", deps_dir, dep);
+        dev_name = get_device_for_syspath(dep_dir);
+        if (dev_name != NULL) {
+            g_debug("  adding dependent device: %s", dev_name);
+            dep_item = g_new0(strList, 1);
+            dep_item->value = dev_name;
+            dep_item->next = disk->dependents;
+            disk->dependents = dep_item;
+        }
+    }
+    g_dir_close(dp_deps);
 }
 
+/*
+ * Detect partitions subdirectory, name is "<disk_name><number>" or
+ * "<disk_name>p<number>"
+ *
+ * @disk_name -- last component of /sys path (e.g. sda)
+ * @disk_dir -- sys path of the disk (e.g. /sys/block/sda)
+ * @disk_dev -- device node of the disk (e.g. /dev/sda)
+ */
+static GuestDiskInfoList *get_disk_partitions(
+    GuestDiskInfoList *list,
+    const char *disk_name, const char *disk_dir,
+    const char *disk_dev)
+{
+    GuestDiskInfoList *item, *ret = list;
+    struct dirent *de_disk;
+    DIR *dp_disk = NULL;
+    size_t len = strlen(disk_name);
+
+    dp_disk = opendir(disk_dir);
+    while ((de_disk = readdir(dp_disk)) != NULL) {
+        g_autofree char *partition_dir = NULL;
+        char *dev_name;
+        GuestDiskInfo *partition;
+
+        if (!(de_disk->d_type & DT_DIR)) {
+            continue;
+        }
+
+        if (!(strncmp(disk_name, de_disk->d_name, len) == 0 &&
+            ((*(de_disk->d_name + len) == 'p' &&
+            isdigit(*(de_disk->d_name + len + 1))) ||
+                isdigit(*(de_disk->d_name + len))))) {
+            continue;
+        }
+
+        partition_dir = g_strdup_printf("%s/%s",
+            disk_dir, de_disk->d_name);
+        dev_name = get_device_for_syspath(partition_dir);
+        if (dev_name == NULL) {
+            g_debug("Failed to get device name for syspath: %s",
+                disk_dir);
+            continue;
+        }
+        partition = g_new0(GuestDiskInfo, 1);
+        partition->name = dev_name;
+        partition->partition = true;
+        /* Add parent disk as dependent for easier tracking of hierarchy */
+        partition->dependents = g_new0(strList, 1);
+        partition->dependents->value = g_strdup(disk_dev);
+
+        item = g_new0(GuestDiskInfoList, 1);
+        item->value = partition;
+        item->next = ret;
+        ret = item;
+
+    }
+    closedir(dp_disk);
+
+    return ret;
+}
+
+GuestDiskInfoList *qmp_guest_get_disks(Error **errp)
+{
+    GuestDiskInfoList *item, *ret = NULL;
+    GuestDiskInfo *disk;
+    DIR *dp = NULL;
+    struct dirent *de = NULL;
+
+    g_debug("listing /sys/block directory");
+    dp = opendir("/sys/block");
+    if (dp == NULL) {
+        error_setg_errno(errp, errno, "Can't open directory \"/sys/block\"");
+        return NULL;
+    }
+    while ((de = readdir(dp)) != NULL) {
+        g_autofree char *disk_dir = NULL, *line = NULL,
+            *size_path = NULL, *deps_dir = NULL;
+        char *dev_name;
+        Error *local_err = NULL;
+        if (de->d_type != DT_LNK) {
+            g_debug("  skipping entry: %s", de->d_name);
+            continue;
+        }
+
+        /* Check size and skip zero-sized disks */
+        g_debug("  checking disk size");
+        size_path = g_strdup_printf("/sys/block/%s/size", de->d_name);
+        if (!g_file_get_contents(size_path, &line, NULL, NULL)) {
+            g_debug("  failed to read disk size");
+            continue;
+        }
+        if (g_strcmp0(line, "0\n") == 0) {
+            g_debug("  skipping zero-sized disk");
+            continue;
+        }
+
+        g_debug("  adding %s", de->d_name);
+        disk_dir = g_strdup_printf("/sys/block/%s", de->d_name);
+        dev_name = get_device_for_syspath(disk_dir);
+        if (dev_name == NULL) {
+            g_debug("Failed to get device name for syspath: %s",
+                disk_dir);
+            continue;
+        }
+        disk = g_new0(GuestDiskInfo, 1);
+        disk->name = dev_name;
+        disk->partition = false;
+        disk->alias = get_alias_for_syspath(disk_dir);
+        disk->has_alias = (disk->alias != NULL);
+        item = g_new0(GuestDiskInfoList, 1);
+        item->value = disk;
+        item->next = ret;
+        ret = item;
+
+        /* Get address for non-virtual devices */
+        bool is_virtual = is_disk_virtual(disk_dir, &local_err);
+        if (local_err != NULL) {
+            g_debug("  failed to check disk path, ignoring error: %s",
+                error_get_pretty(local_err));
+            error_free(local_err);
+            local_err = NULL;
+            /* Don't try to get the address */
+            is_virtual = true;
+        }
+        if (!is_virtual) {
+            disk->address = get_disk_address(disk_dir, &local_err);
+            if (local_err != NULL) {
+                g_debug("  failed to get device info, ignoring error: %s",
+                    error_get_pretty(local_err));
+                error_free(local_err);
+                local_err = NULL;
+            } else if (disk->address != NULL) {
+                disk->has_address = true;
+            }
+        }
+
+        get_disk_deps(disk_dir, disk);
+        ret = get_disk_partitions(ret, de->d_name, disk_dir, dev_name);
+    }
+    return ret;
+}
+
+#else
+
+GuestDiskInfoList *qmp_guest_get_disks(Error **errp)
+{
+    error_setg(errp, QERR_UNSUPPORTED);
+    return NULL;
+}
+
+#endif
+
 /* Return a list of the disk device(s)' info which @mount lies on */
 static GuestFilesystemInfo *build_guest_fsinfo(struct FsMount *mount,
                                                Error **errp)
@@ -2809,7 +3088,8 @@ GList *ga_command_blacklist_init(GList *blacklist)
         const char *list[] = {
             "guest-get-fsinfo", "guest-fsfreeze-status",
             "guest-fsfreeze-freeze", "guest-fsfreeze-freeze-list",
-            "guest-fsfreeze-thaw", "guest-get-fsinfo", NULL};
+            "guest-fsfreeze-thaw", "guest-get-fsinfo",
+            "guest-get-disks", NULL};
         char **p = (char **)list;
 
         while (*p) {
@@ -3051,9 +3331,3 @@ GuestDeviceInfoList *qmp_guest_get_devices(Error **errp)
 
     return NULL;
 }
-
-GuestDiskInfoList *qmp_guest_get_disks(Error **errp)
-{
-    error_setg(errp, QERR_UNSUPPORTED);
-    return NULL;
-}
