diff options
Diffstat (limited to 'include/linux/thunderbolt.h')
| -rw-r--r-- | include/linux/thunderbolt.h | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/include/linux/thunderbolt.h b/include/linux/thunderbolt.h index 124e13cb1469..90cd08ab2f5d 100644 --- a/include/linux/thunderbolt.h +++ b/include/linux/thunderbolt.h @@ -187,6 +187,7 @@ void tb_unregister_property_dir(const char *key, struct tb_property_dir *dir); * @device_name: Name of the device (or %NULL if not known) * @link_speed: Speed of the link in Gb/s * @link_width: Width of the link (1 or 2) + * @link_usb4: Downstream link is USB4 * @is_unplugged: The XDomain is unplugged * @needs_uuid: If the XDomain does not have @remote_uuid it will be * queried first @@ -198,15 +199,15 @@ void tb_unregister_property_dir(const char *key, struct tb_property_dir *dir); * @local_property_block_len: Length of the @local_property_block in dwords * @remote_properties: Properties exported by the remote domain * @remote_property_block_gen: Generation of @remote_properties - * @get_uuid_work: Work used to retrieve @remote_uuid - * @uuid_retries: Number of times left @remote_uuid is requested before - * giving up - * @get_properties_work: Work used to get remote domain properties - * @properties_retries: Number of times left to read properties + * @state: Next XDomain discovery state to run + * @state_work: Work used to run the next state + * @state_retries: Number of retries remain for the state * @properties_changed_work: Work used to notify the remote domain that * our properties have changed * @properties_changed_retries: Number of times left to send properties * changed notification + * @bonding_possible: True if lane bonding is possible on local side + * @target_link_width: Target link width from the remote host * @link: Root switch link the remote domain is connected (ICM only) * @depth: Depth in the chain the remote domain is connected (ICM only) * @@ -234,6 +235,7 @@ struct tb_xdomain { const char *device_name; unsigned int link_speed; unsigned int link_width; + bool link_usb4; bool is_unplugged; bool needs_uuid; struct ida service_ids; @@ -244,12 +246,13 @@ struct tb_xdomain { u32 local_property_block_len; struct tb_property_dir *remote_properties; u32 remote_property_block_gen; - struct delayed_work get_uuid_work; - int uuid_retries; - struct delayed_work get_properties_work; - int properties_retries; + int state; + struct delayed_work state_work; + int state_retries; struct delayed_work properties_changed_work; int properties_changed_retries; + bool bonding_possible; + u8 target_link_width; u8 link; u8 depth; }; @@ -465,6 +468,7 @@ static inline struct tb_xdomain *tb_service_parent(struct tb_service *svc) * @msix_ida: Used to allocate MSI-X vectors for rings * @going_away: The host controller device is about to disappear so when * this flag is set, avoid touching the hardware anymore. + * @iommu_dma_protection: An IOMMU will isolate external-facing ports. * @interrupt_work: Work scheduled to handle ring interrupt when no * MSI-X is used. * @hop_count: Number of rings (end point hops) supported by NHI. @@ -479,6 +483,7 @@ struct tb_nhi { struct tb_ring **rx_rings; struct ida msix_ida; bool going_away; + bool iommu_dma_protection; struct work_struct interrupt_work; u32 hop_count; unsigned long quirks; |