diff options
Diffstat (limited to 'drivers/thunderbolt/tb_msgs.h')
| -rw-r--r-- | drivers/thunderbolt/tb_msgs.h | 492 |
1 files changed, 444 insertions, 48 deletions
diff --git a/drivers/thunderbolt/tb_msgs.h b/drivers/thunderbolt/tb_msgs.h index de6441e4a060..144f7332d5d2 100644 --- a/drivers/thunderbolt/tb_msgs.h +++ b/drivers/thunderbolt/tb_msgs.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Thunderbolt control channel messages * * Copyright (C) 2014 Andreas Noever <andreas.noever@gmail.com> * Copyright (C) 2017, Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef _TB_MSGS @@ -15,23 +12,6 @@ #include <linux/types.h> #include <linux/uuid.h> -enum tb_cfg_pkg_type { - TB_CFG_PKG_READ = 1, - TB_CFG_PKG_WRITE = 2, - TB_CFG_PKG_ERROR = 3, - TB_CFG_PKG_NOTIFY_ACK = 4, - TB_CFG_PKG_EVENT = 5, - TB_CFG_PKG_XDOMAIN_REQ = 6, - TB_CFG_PKG_XDOMAIN_RESP = 7, - TB_CFG_PKG_OVERRIDE = 8, - TB_CFG_PKG_RESET = 9, - TB_CFG_PKG_ICM_EVENT = 10, - TB_CFG_PKG_ICM_CMD = 11, - TB_CFG_PKG_ICM_RESP = 12, - TB_CFG_PKG_PREPARE_TO_SLEEP = 0xd, - -}; - enum tb_cfg_space { TB_CFG_HOPS = 0, TB_CFG_PORT = 1, @@ -48,6 +28,15 @@ enum tb_cfg_error { TB_CFG_ERROR_LOOP = 8, TB_CFG_ERROR_HEC_ERROR_DETECTED = 12, TB_CFG_ERROR_FLOW_CONTROL_ERROR = 13, + TB_CFG_ERROR_LOCK = 15, + TB_CFG_ERROR_DP_BW = 32, + TB_CFG_ERROR_ROP_CMPLT = 33, + TB_CFG_ERROR_POP_CMPLT = 34, + TB_CFG_ERROR_PCIE_WAKE = 35, + TB_CFG_ERROR_DP_CON_CHANGE = 36, + TB_CFG_ERROR_DPTX_DISCOVERY = 37, + TB_CFG_ERROR_LINK_RECOVERY = 38, + TB_CFG_ERROR_ASYM_LINK = 39, }; /* common header */ @@ -83,13 +72,19 @@ struct cfg_write_pkg { /* TB_CFG_PKG_ERROR */ struct cfg_error_pkg { struct tb_cfg_header header; - enum tb_cfg_error error:4; - u32 zero1:4; + enum tb_cfg_error error:8; u32 port:6; - u32 zero2:2; /* Both should be zero, still they are different fields. */ - u32 zero3:16; + u32 reserved:16; + u32 pg:2; } __packed; +struct cfg_ack_pkg { + struct tb_cfg_header header; +}; + +#define TB_CFG_ERROR_PG_HOT_PLUG 0x2 +#define TB_CFG_ERROR_PG_HOT_UNPLUG 0x3 + /* TB_CFG_PKG_EVENT */ struct cfg_event_pkg { struct tb_cfg_header header; @@ -103,12 +98,6 @@ struct cfg_reset_pkg { struct tb_cfg_header header; } __packed; -/* TB_CFG_PKG_PREPARE_TO_SLEEP */ -struct cfg_pts_pkg { - struct tb_cfg_header header; - u32 data; -} __packed; - /* ICM messages */ enum icm_pkg_code { @@ -118,11 +107,19 @@ enum icm_pkg_code { ICM_CHALLENGE_DEVICE = 0x5, ICM_ADD_DEVICE_KEY = 0x6, ICM_GET_ROUTE = 0xa, + ICM_APPROVE_XDOMAIN = 0x10, + ICM_DISCONNECT_XDOMAIN = 0x11, + ICM_PREBOOT_ACL = 0x18, + ICM_USB4_SWITCH_OP = 0x20, }; enum icm_event_code { - ICM_EVENT_DEVICE_CONNECTED = 3, - ICM_EVENT_DEVICE_DISCONNECTED = 4, + ICM_EVENT_DEVICE_CONNECTED = 0x3, + ICM_EVENT_DEVICE_DISCONNECTED = 0x4, + ICM_EVENT_XDOMAIN_CONNECTED = 0x6, + ICM_EVENT_XDOMAIN_DISCONNECTED = 0x7, + ICM_EVENT_DP_CONFIG_CHANGED = 0x8, + ICM_EVENT_RTD3_VETO = 0xa, }; struct icm_pkg_header { @@ -130,29 +127,36 @@ struct icm_pkg_header { u8 flags; u8 packet_id; u8 total_packets; -} __packed; +}; #define ICM_FLAGS_ERROR BIT(0) #define ICM_FLAGS_NO_KEY BIT(1) #define ICM_FLAGS_SLEVEL_SHIFT 3 #define ICM_FLAGS_SLEVEL_MASK GENMASK(4, 3) +#define ICM_FLAGS_DUAL_LANE BIT(5) +#define ICM_FLAGS_SPEED_GEN3 BIT(7) +#define ICM_FLAGS_WRITE BIT(7) struct icm_pkg_driver_ready { struct icm_pkg_header hdr; -} __packed; +}; + +/* Falcon Ridge only messages */ -struct icm_pkg_driver_ready_response { +struct icm_fr_pkg_driver_ready_response { struct icm_pkg_header hdr; u8 romver; u8 ramver; u16 security_level; -} __packed; +}; + +#define ICM_FR_SLEVEL_MASK 0xf /* Falcon Ridge & Alpine Ridge common messages */ struct icm_fr_pkg_get_topology { struct icm_pkg_header hdr; -} __packed; +}; #define ICM_GET_TOPOLOGY_PACKETS 14 @@ -167,7 +171,7 @@ struct icm_fr_pkg_get_topology_response { u32 reserved[2]; u32 ports[16]; u32 port_hop_info[16]; -} __packed; +}; #define ICM_SWITCH_USED BIT(0) #define ICM_SWITCH_UPSTREAM_PORT_MASK GENMASK(7, 1) @@ -184,12 +188,14 @@ struct icm_fr_event_device_connected { u8 connection_id; u16 link_info; u32 ep_name[55]; -} __packed; +}; #define ICM_LINK_INFO_LINK_MASK 0x7 #define ICM_LINK_INFO_DEPTH_SHIFT 4 #define ICM_LINK_INFO_DEPTH_MASK GENMASK(7, 4) #define ICM_LINK_INFO_APPROVED BIT(8) +#define ICM_LINK_INFO_REJECTED BIT(9) +#define ICM_LINK_INFO_BOOT BIT(10) struct icm_fr_pkg_approve_device { struct icm_pkg_header hdr; @@ -197,13 +203,32 @@ struct icm_fr_pkg_approve_device { u8 connection_key; u8 connection_id; u16 reserved; -} __packed; +}; struct icm_fr_event_device_disconnected { struct icm_pkg_header hdr; u16 reserved; u16 link_info; -} __packed; +}; + +struct icm_fr_event_xdomain_connected { + struct icm_pkg_header hdr; + u16 reserved; + u16 link_info; + uuid_t remote_uuid; + uuid_t local_uuid; + u32 local_route_hi; + u32 local_route_lo; + u32 remote_route_hi; + u32 remote_route_lo; +}; + +struct icm_fr_event_xdomain_disconnected { + struct icm_pkg_header hdr; + u16 reserved; + u16 link_info; + uuid_t remote_uuid; +}; struct icm_fr_pkg_add_device_key { struct icm_pkg_header hdr; @@ -212,7 +237,7 @@ struct icm_fr_pkg_add_device_key { u8 connection_id; u16 reserved; u32 key[8]; -} __packed; +}; struct icm_fr_pkg_add_device_key_response { struct icm_pkg_header hdr; @@ -220,7 +245,7 @@ struct icm_fr_pkg_add_device_key_response { u8 connection_key; u8 connection_id; u16 reserved; -} __packed; +}; struct icm_fr_pkg_challenge_device { struct icm_pkg_header hdr; @@ -229,7 +254,7 @@ struct icm_fr_pkg_challenge_device { u8 connection_id; u16 reserved; u32 challenge[8]; -} __packed; +}; struct icm_fr_pkg_challenge_device_response { struct icm_pkg_header hdr; @@ -239,15 +264,51 @@ struct icm_fr_pkg_challenge_device_response { u16 reserved; u32 challenge[8]; u32 response[8]; -} __packed; +}; + +struct icm_fr_pkg_approve_xdomain { + struct icm_pkg_header hdr; + u16 reserved; + u16 link_info; + uuid_t remote_uuid; + u16 transmit_path; + u16 transmit_ring; + u16 receive_path; + u16 receive_ring; +}; + +struct icm_fr_pkg_approve_xdomain_response { + struct icm_pkg_header hdr; + u16 reserved; + u16 link_info; + uuid_t remote_uuid; + u16 transmit_path; + u16 transmit_ring; + u16 receive_path; + u16 receive_ring; +}; /* Alpine Ridge only messages */ +struct icm_ar_pkg_driver_ready_response { + struct icm_pkg_header hdr; + u8 romver; + u8 ramver; + u16 info; +}; + +#define ICM_AR_FLAGS_RTD3 BIT(6) + +#define ICM_AR_INFO_SLEVEL_MASK GENMASK(3, 0) +#define ICM_AR_INFO_BOOT_ACL_SHIFT 7 +#define ICM_AR_INFO_BOOT_ACL_MASK GENMASK(11, 7) +#define ICM_AR_INFO_BOOT_ACL_SUPPORTED BIT(13) + struct icm_ar_pkg_get_route { struct icm_pkg_header hdr; u16 reserved; u16 link_info; -} __packed; +}; struct icm_ar_pkg_get_route_response { struct icm_pkg_header hdr; @@ -255,6 +316,341 @@ struct icm_ar_pkg_get_route_response { u16 link_info; u32 route_hi; u32 route_lo; -} __packed; +}; + +struct icm_ar_boot_acl_entry { + u32 uuid_lo; + u32 uuid_hi; +}; + +#define ICM_AR_PREBOOT_ACL_ENTRIES 16 + +struct icm_ar_pkg_preboot_acl { + struct icm_pkg_header hdr; + struct icm_ar_boot_acl_entry acl[ICM_AR_PREBOOT_ACL_ENTRIES]; +}; + +struct icm_ar_pkg_preboot_acl_response { + struct icm_pkg_header hdr; + struct icm_ar_boot_acl_entry acl[ICM_AR_PREBOOT_ACL_ENTRIES]; +}; + +/* Titan Ridge messages */ + +struct icm_tr_pkg_driver_ready_response { + struct icm_pkg_header hdr; + u16 reserved1; + u16 info; + u32 nvm_version; + u16 device_id; + u16 reserved2; +}; + +#define ICM_TR_FLAGS_RTD3 BIT(6) + +#define ICM_TR_INFO_SLEVEL_MASK GENMASK(2, 0) +#define ICM_TR_INFO_PROTO_VERSION_MASK GENMASK(6, 4) +#define ICM_TR_INFO_PROTO_VERSION_SHIFT 4 +#define ICM_TR_INFO_BOOT_ACL_SHIFT 7 +#define ICM_TR_INFO_BOOT_ACL_MASK GENMASK(12, 7) + +struct icm_tr_event_device_connected { + struct icm_pkg_header hdr; + uuid_t ep_uuid; + u32 route_hi; + u32 route_lo; + u8 connection_id; + u8 reserved; + u16 link_info; + u32 ep_name[55]; +}; + +struct icm_tr_event_device_disconnected { + struct icm_pkg_header hdr; + u32 route_hi; + u32 route_lo; +}; + +struct icm_tr_event_xdomain_connected { + struct icm_pkg_header hdr; + u16 reserved; + u16 link_info; + uuid_t remote_uuid; + uuid_t local_uuid; + u32 local_route_hi; + u32 local_route_lo; + u32 remote_route_hi; + u32 remote_route_lo; +}; + +struct icm_tr_event_xdomain_disconnected { + struct icm_pkg_header hdr; + u32 route_hi; + u32 route_lo; + uuid_t remote_uuid; +}; + +struct icm_tr_pkg_approve_device { + struct icm_pkg_header hdr; + uuid_t ep_uuid; + u32 route_hi; + u32 route_lo; + u8 connection_id; + u8 reserved1[3]; +}; + +struct icm_tr_pkg_add_device_key { + struct icm_pkg_header hdr; + uuid_t ep_uuid; + u32 route_hi; + u32 route_lo; + u8 connection_id; + u8 reserved[3]; + u32 key[8]; +}; + +struct icm_tr_pkg_challenge_device { + struct icm_pkg_header hdr; + uuid_t ep_uuid; + u32 route_hi; + u32 route_lo; + u8 connection_id; + u8 reserved[3]; + u32 challenge[8]; +}; + +struct icm_tr_pkg_approve_xdomain { + struct icm_pkg_header hdr; + u32 route_hi; + u32 route_lo; + uuid_t remote_uuid; + u16 transmit_path; + u16 transmit_ring; + u16 receive_path; + u16 receive_ring; +}; + +struct icm_tr_pkg_disconnect_xdomain { + struct icm_pkg_header hdr; + u8 stage; + u8 reserved[3]; + u32 route_hi; + u32 route_lo; + uuid_t remote_uuid; +}; + +struct icm_tr_pkg_challenge_device_response { + struct icm_pkg_header hdr; + uuid_t ep_uuid; + u32 route_hi; + u32 route_lo; + u8 connection_id; + u8 reserved[3]; + u32 challenge[8]; + u32 response[8]; +}; + +struct icm_tr_pkg_add_device_key_response { + struct icm_pkg_header hdr; + uuid_t ep_uuid; + u32 route_hi; + u32 route_lo; + u8 connection_id; + u8 reserved[3]; +}; + +struct icm_tr_pkg_approve_xdomain_response { + struct icm_pkg_header hdr; + u32 route_hi; + u32 route_lo; + uuid_t remote_uuid; + u16 transmit_path; + u16 transmit_ring; + u16 receive_path; + u16 receive_ring; +}; + +struct icm_tr_pkg_disconnect_xdomain_response { + struct icm_pkg_header hdr; + u8 stage; + u8 reserved[3]; + u32 route_hi; + u32 route_lo; + uuid_t remote_uuid; +}; + +/* Ice Lake messages */ + +struct icm_icl_event_rtd3_veto { + struct icm_pkg_header hdr; + u32 veto_reason; +}; + +/* USB4 ICM messages */ + +struct icm_usb4_switch_op { + struct icm_pkg_header hdr; + u32 route_hi; + u32 route_lo; + u32 metadata; + u16 opcode; + u16 data_len_valid; + u32 data[16]; +}; + +#define ICM_USB4_SWITCH_DATA_LEN_MASK GENMASK(3, 0) +#define ICM_USB4_SWITCH_DATA_VALID BIT(4) + +struct icm_usb4_switch_op_response { + struct icm_pkg_header hdr; + u32 route_hi; + u32 route_lo; + u32 metadata; + u16 opcode; + u16 status; + u32 data[16]; +}; + +/* XDomain messages */ + +struct tb_xdomain_header { + u32 route_hi; + u32 route_lo; + u32 length_sn; +}; + +#define TB_XDOMAIN_LENGTH_MASK GENMASK(5, 0) +#define TB_XDOMAIN_SN_MASK GENMASK(28, 27) +#define TB_XDOMAIN_SN_SHIFT 27 + +enum tb_xdp_type { + UUID_REQUEST_OLD = 1, + UUID_RESPONSE = 2, + PROPERTIES_REQUEST, + PROPERTIES_RESPONSE, + PROPERTIES_CHANGED_REQUEST, + PROPERTIES_CHANGED_RESPONSE, + ERROR_RESPONSE, + UUID_REQUEST = 12, + LINK_STATE_STATUS_REQUEST = 15, + LINK_STATE_STATUS_RESPONSE, + LINK_STATE_CHANGE_REQUEST, + LINK_STATE_CHANGE_RESPONSE, +}; + +struct tb_xdp_header { + struct tb_xdomain_header xd_hdr; + uuid_t uuid; + u32 type; +}; + +struct tb_xdp_error_response { + struct tb_xdp_header hdr; + u32 error; +}; + +struct tb_xdp_link_state_status { + struct tb_xdp_header hdr; +}; + +struct tb_xdp_link_state_status_response { + union { + struct tb_xdp_error_response err; + struct { + struct tb_xdp_header hdr; + u32 status; + u8 slw; + u8 tlw; + u8 sls; + u8 tls; + }; + }; +}; + +struct tb_xdp_link_state_change { + struct tb_xdp_header hdr; + u8 tlw; + u8 tls; + u16 reserved; +}; + +struct tb_xdp_link_state_change_response { + union { + struct tb_xdp_error_response err; + struct { + struct tb_xdp_header hdr; + u32 status; + }; + }; +}; + +struct tb_xdp_uuid { + struct tb_xdp_header hdr; +}; + +struct tb_xdp_uuid_response { + union { + struct tb_xdp_error_response err; + struct { + struct tb_xdp_header hdr; + uuid_t src_uuid; + u32 src_route_hi; + u32 src_route_lo; + }; + }; +}; + +struct tb_xdp_properties { + struct tb_xdp_header hdr; + uuid_t src_uuid; + uuid_t dst_uuid; + u16 offset; + u16 reserved; +}; + +struct tb_xdp_properties_response { + union { + struct tb_xdp_error_response err; + struct { + struct tb_xdp_header hdr; + uuid_t src_uuid; + uuid_t dst_uuid; + u16 offset; + u16 data_length; + u32 generation; + u32 data[]; + }; + }; +}; + +/* + * Max length of data array single XDomain property response is allowed + * to carry. + */ +#define TB_XDP_PROPERTIES_MAX_DATA_LENGTH \ + (((256 - 4 - sizeof(struct tb_xdp_properties_response))) / 4) + +/* Maximum size of the total property block in dwords we allow */ +#define TB_XDP_PROPERTIES_MAX_LENGTH 500 + +struct tb_xdp_properties_changed { + struct tb_xdp_header hdr; + uuid_t src_uuid; +}; + +struct tb_xdp_properties_changed_response { + union { + struct tb_xdp_error_response err; + struct tb_xdp_header hdr; + }; +}; + +enum tb_xdp_error { + ERROR_SUCCESS, + ERROR_UNKNOWN_PACKET, + ERROR_UNKNOWN_DOMAIN, + ERROR_NOT_SUPPORTED, + ERROR_NOT_READY, +}; #endif |