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-rw-r--r--drivers/thunderbolt/tb.h18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 7706f8e08c..18aae4ccae 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -219,6 +219,11 @@ struct tb_switch {
* @tb: Pointer to the domain the group belongs to
* @index: Index of the group (aka Group_ID). Valid values %1-%7
* @ports: DP IN adapters belonging to this group are linked here
+ * @reserved: Bandwidth released by one tunnel in the group, available
+ * to others. This is reported as part of estimated_bw for
+ * the group.
+ * @release_work: Worker to release the @reserved if it is not used by
+ * any of the tunnels.
*
* Any tunnel that requires isochronous bandwidth (that's DP for now) is
* attached to a bandwidth group. All tunnels going through the same
@@ -229,6 +234,8 @@ struct tb_bandwidth_group {
struct tb *tb;
int index;
struct list_head ports;
+ int reserved;
+ struct delayed_work release_work;
};
/**
@@ -456,6 +463,8 @@ struct tb_path {
* ICM to send driver ready message to the firmware.
* @start: Starts the domain
* @stop: Stops the domain
+ * @deinit: Perform any cleanup after the domain is stopped but before
+ * it is unregistered. Called without @tb->lock taken. Optional.
* @suspend_noirq: Connection manager specific suspend_noirq
* @resume_noirq: Connection manager specific resume_noirq
* @suspend: Connection manager specific suspend
@@ -489,6 +498,7 @@ struct tb_cm_ops {
int (*driver_ready)(struct tb *tb);
int (*start)(struct tb *tb, bool reset);
void (*stop)(struct tb *tb);
+ void (*deinit)(struct tb *tb);
int (*suspend_noirq)(struct tb *tb);
int (*resume_noirq)(struct tb *tb);
int (*suspend)(struct tb *tb);
@@ -739,10 +749,10 @@ static inline int tb_port_write(struct tb_port *port, const void *buffer,
struct tb *icm_probe(struct tb_nhi *nhi);
struct tb *tb_probe(struct tb_nhi *nhi);
-extern struct device_type tb_domain_type;
-extern struct device_type tb_retimer_type;
-extern struct device_type tb_switch_type;
-extern struct device_type usb4_port_device_type;
+extern const struct device_type tb_domain_type;
+extern const struct device_type tb_retimer_type;
+extern const struct device_type tb_switch_type;
+extern const struct device_type usb4_port_device_type;
int tb_domain_init(void);
void tb_domain_exit(void);