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-rw-r--r--include/linux/thunderbolt.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/include/linux/thunderbolt.h b/include/linux/thunderbolt.h
index b512b1e2b4f2..910b1bf92112 100644
--- a/include/linux/thunderbolt.h
+++ b/include/linux/thunderbolt.h
@@ -14,7 +14,9 @@
#ifndef THUNDERBOLT_H_
#define THUNDERBOLT_H_
+#include <linux/device.h>
#include <linux/list.h>
+#include <linux/mutex.h>
#include <linux/uuid.h>
enum tb_cfg_pkg_type {
@@ -34,6 +36,49 @@ enum tb_cfg_pkg_type {
};
/**
+ * enum tb_security_level - Thunderbolt security level
+ * @TB_SECURITY_NONE: No security, legacy mode
+ * @TB_SECURITY_USER: User approval required at minimum
+ * @TB_SECURITY_SECURE: One time saved key required at minimum
+ * @TB_SECURITY_DPONLY: Only tunnel Display port (and USB)
+ */
+enum tb_security_level {
+ TB_SECURITY_NONE,
+ TB_SECURITY_USER,
+ TB_SECURITY_SECURE,
+ TB_SECURITY_DPONLY,
+};
+
+/**
+ * struct tb - main thunderbolt bus structure
+ * @dev: Domain device
+ * @lock: Big lock. Must be held when accessing any struct
+ * tb_switch / struct tb_port.
+ * @nhi: Pointer to the NHI structure
+ * @ctl: Control channel for this domain
+ * @wq: Ordered workqueue for all domain specific work
+ * @root_switch: Root switch of this domain
+ * @cm_ops: Connection manager specific operations vector
+ * @index: Linux assigned domain number
+ * @security_level: Current security level
+ * @privdata: Private connection manager specific data
+ */
+struct tb {
+ struct device dev;
+ struct mutex lock;
+ struct tb_nhi *nhi;
+ struct tb_ctl *ctl;
+ struct workqueue_struct *wq;
+ struct tb_switch *root_switch;
+ const struct tb_cm_ops *cm_ops;
+ int index;
+ enum tb_security_level security_level;
+ unsigned long privdata[0];
+};
+
+extern struct bus_type tb_bus_type;
+
+/**
* struct tb_property_dir - XDomain property directory
* @uuid: Directory UUID or %NULL if root directory
* @properties: List of properties in this directory