auto import from //depot/cupcake/@135843

1 files changed, 135 insertions, 0 deletions

diff --git a/vold/volmgr.h b/vold/volmgr.h
new file mode 100644
index 00000000..2c7ec503
--- /dev/null
+++ b/vold/volmgr.h
@@ -0,0 +1,135 @@
+
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _VOLMGR_H
+#define _VOLMGR_H
+
+#include <pthread.h>
+
+#include "vold.h"
+#include "blkdev.h"
+#include "media.h"
+#include "devmapper.h"
+
+#define PROP_EXTERNAL_STORAGE_STATE "EXTERNAL_STORAGE_STATE"
+
+// these must match the corresponding states in the MediaState enum.
+// A path to the volume mount point follows the colon
+typedef enum volume_state {
+    volstate_unknown,
+
+    volstate_nomedia,
+#define VOLD_EVT_NOMEDIA       "volume_nomedia:"
+#define VOLD_ES_PVAL_NOMEDIA   "removed"
+
+    volstate_unmounted,
+#define VOLD_EVT_UNMOUNTED     "volume_unmounted:"
+#define VOLD_ES_PVAL_UNMOUNTED "unmounted"
+
+    volstate_checking,
+#define VOLD_EVT_CHECKING      "volume_checking:"
+#define VOLD_ES_PVAL_CHECKING  "checking"
+
+    volstate_mounted,
+#define VOLD_EVT_MOUNTED       "volume_mounted:"
+#define VOLD_ES_PVAL_MOUNTED   "mounted"
+
+    volstate_mounted_ro,
+#define VOLD_EVT_MOUNTED_RO     "volume_mounted_ro:"
+#define VOLD_ES_PVAL_MOUNTED_RO "mounted_ro"
+
+    volstate_badremoval,
+#define VOLD_EVT_BADREMOVAL     "volume_badremoval:"
+#define VOLD_ES_PVAL_BADREMOVAL "bad_removal"
+
+    volstate_damaged,
+#define VOLD_EVT_DAMAGED         "volume_damaged:"
+#define VOLD_ES_PVAL_DAMAGED     "unmountable"
+
+    volstate_nofs,
+#define VOLD_EVT_NOFS            "volume_nofs:"
+#define VOLD_ES_PVAL_NOFS        "nofs"
+
+    volstate_ums,
+#define VOLD_EVT_UMS             "volume_ums:"
+#define VOLD_ES_PVAL_UMS         "shared"
+
+    volstate_ejecting,
+#define VOLD_EVT_EJECTING        "volume_ejecting:"
+#define VOLD_ES_PVAL_EJECTING    "ejecting"
+
+    volstate_formatting,
+} volume_state_t;
+
+struct volume;
+
+struct volmgr_fstable_entry {
+    char *name;
+    int     (*identify_fn) (blkdev_t *dev);
+    int     (*check_fn) (blkdev_t *dev);
+    int     (*mount_fn) (blkdev_t *dev, struct volume *vol, boolean safe_mode);
+    boolean case_sensitive_paths;
+};
+
+struct volmgr_start_args {
+    struct volmgr_fstable_entry *fs;
+    blkdev_t                    *dev;
+};
+
+struct volmgr_reaper_args {
+    void (*cb) (struct volume *, void *);
+    void *cb_arg;
+};
+
+#define VOLMGR_MAX_MEDIAPATHS_PER_VOLUME 8
+
+typedef struct volume {
+    char            *media_paths[VOLMGR_MAX_MEDIAPATHS_PER_VOLUME];
+
+    media_type_t      media_type;
+    char              *mount_point;
+    char              *ums_path;
+    struct devmapping *dm;
+
+    pthread_mutex_t          lock;
+    volume_state_t           state;
+    blkdev_t                 *dev;
+    pid_t                    worker_pid;
+    pthread_t                worker_thread;
+    union {
+        struct volmgr_start_args  start_args;
+        struct volmgr_reaper_args reaper_args;
+    } worker_args;
+    boolean                  worker_running;
+    pthread_mutex_t          worker_sem;
+
+    struct volmgr_fstable_entry *fs;
+
+    struct volume            *next;
+} volume_t;
+
+int volmgr_consider_disk(blkdev_t *dev);
+int volmgr_notify_eject(blkdev_t *dev, void (* cb) (blkdev_t *));
+int volmgr_send_states(void);
+int volmgr_enable_ums(boolean enable);
+int volmgr_stop_volume_by_mountpoint(char *mount_point);
+int volmgr_start_volume_by_mountpoint(char *mount_point);
+int volmgr_safe_mode(boolean enable);
+int volmgr_format_volume(char *mount_point);
+int volmgr_set_volume_key(char *mount_point, unsigned char *key);
+void KillProcessesWithOpenFiles(const char* mountPoint, boolean sigkill, int *excluded, int num_excluded);
+#endif