diff options
Diffstat (limited to 'drivers/thunderbolt/tb.h')
| -rw-r--r-- | drivers/thunderbolt/tb.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index 554feda1e359..beea88c34c0f 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -138,6 +138,8 @@ struct tb_switch_tmu { * * When the switch is being added or removed to the domain (other * switches) you need to have domain lock held. + * + * In USB4 terminology this structure represents a router. */ struct tb_switch { struct device dev; @@ -196,6 +198,9 @@ struct tb_switch { * @in_hopids: Currently allocated input HopIDs * @out_hopids: Currently allocated output HopIDs * @list: Used to link ports to DP resources list + * + * In USB4 terminology this structure represents an adapter (protocol or + * lane adapter). */ struct tb_port { struct tb_regs_port_header config; @@ -361,6 +366,7 @@ struct tb_path { * @handle_event: Handle thunderbolt event * @get_boot_acl: Get boot ACL list * @set_boot_acl: Set boot ACL list + * @disapprove_switch: Disapprove switch (disconnect PCIe tunnel) * @approve_switch: Approve switch * @add_switch_key: Add key to switch * @challenge_switch_key: Challenge switch using key @@ -394,6 +400,7 @@ struct tb_cm_ops { const void *buf, size_t size); int (*get_boot_acl)(struct tb *tb, uuid_t *uuids, size_t nuuids); int (*set_boot_acl)(struct tb *tb, const uuid_t *uuids, size_t nuuids); + int (*disapprove_switch)(struct tb *tb, struct tb_switch *sw); int (*approve_switch)(struct tb *tb, struct tb_switch *sw); int (*add_switch_key)(struct tb *tb, struct tb_switch *sw); int (*challenge_switch_key)(struct tb *tb, struct tb_switch *sw, @@ -629,6 +636,7 @@ int tb_domain_thaw_noirq(struct tb *tb); void tb_domain_complete(struct tb *tb); int tb_domain_runtime_suspend(struct tb *tb); int tb_domain_runtime_resume(struct tb *tb); +int tb_domain_disapprove_switch(struct tb *tb, struct tb_switch *sw); int tb_domain_approve_switch(struct tb *tb, struct tb_switch *sw); int tb_domain_approve_switch_key(struct tb *tb, struct tb_switch *sw); int tb_domain_challenge_switch_key(struct tb *tb, struct tb_switch *sw); @@ -923,6 +931,7 @@ int tb_lc_configure_port(struct tb_port *port); void tb_lc_unconfigure_port(struct tb_port *port); int tb_lc_configure_xdomain(struct tb_port *port); void tb_lc_unconfigure_xdomain(struct tb_port *port); +int tb_lc_start_lane_initialization(struct tb_port *port); int tb_lc_set_wake(struct tb_switch *sw, unsigned int flags); int tb_lc_set_sleep(struct tb_switch *sw); bool tb_lc_lane_bonding_possible(struct tb_switch *sw); @@ -949,6 +958,7 @@ static inline u64 tb_downstream_route(struct tb_port *port) | ((u64) port->port << (port->sw->config.depth * 8)); } +bool tb_is_xdomain_enabled(void); bool tb_xdomain_handle_request(struct tb *tb, enum tb_cfg_pkg_type type, const void *buf, size_t size); struct tb_xdomain *tb_xdomain_alloc(struct tb *tb, struct device *parent, @@ -1034,8 +1044,20 @@ void tb_check_quirks(struct tb_switch *sw); #ifdef CONFIG_ACPI void tb_acpi_add_links(struct tb_nhi *nhi); + +bool tb_acpi_is_native(void); +bool tb_acpi_may_tunnel_usb3(void); +bool tb_acpi_may_tunnel_dp(void); +bool tb_acpi_may_tunnel_pcie(void); +bool tb_acpi_is_xdomain_allowed(void); #else static inline void tb_acpi_add_links(struct tb_nhi *nhi) { } + +static inline bool tb_acpi_is_native(void) { return true; } +static inline bool tb_acpi_may_tunnel_usb3(void) { return true; } +static inline bool tb_acpi_may_tunnel_dp(void) { return true; } +static inline bool tb_acpi_may_tunnel_pcie(void) { return true; } +static inline bool tb_acpi_is_xdomain_allowed(void) { return true; } #endif #ifdef CONFIG_DEBUG_FS |