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nfc.h
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/* * Copyright (C) 2011 Instituto Nokia de Tecnologia * * Authors: * Lauro Ramos Venancio <lauro.venancio@openbossa.org> * Aloisio Almeida Jr <aloisio.almeida@openbossa.org> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef __LINUX_NFC_H #define __LINUX_NFC_H #include <linux/types.h> #include <linux/socket.h> #define NFC_GENL_NAME "nfc" #define NFC_GENL_VERSION 1 #define NFC_GENL_MCAST_EVENT_NAME "events" /** * enum nfc_commands - supported nfc commands * * @NFC_CMD_UNSPEC: unspecified command * * @NFC_CMD_GET_DEVICE: request information about a device (requires * %NFC_ATTR_DEVICE_INDEX) or dump request to get a list of all nfc devices * @NFC_CMD_DEV_UP: turn on the nfc device * (requires %NFC_ATTR_DEVICE_INDEX) * @NFC_CMD_DEV_DOWN: turn off the nfc device * (requires %NFC_ATTR_DEVICE_INDEX) * @NFC_CMD_START_POLL: start polling for targets using the given protocols * (requires %NFC_ATTR_DEVICE_INDEX and %NFC_ATTR_PROTOCOLS) * @NFC_CMD_STOP_POLL: stop polling for targets (requires * %NFC_ATTR_DEVICE_INDEX) * @NFC_CMD_GET_TARGET: dump all targets found by the previous poll (requires * %NFC_ATTR_DEVICE_INDEX) * @NFC_EVENT_TARGETS_FOUND: event emitted when a new target is found * (it sends %NFC_ATTR_DEVICE_INDEX) * @NFC_EVENT_DEVICE_ADDED: event emitted when a new device is registred * (it sends %NFC_ATTR_DEVICE_NAME, %NFC_ATTR_DEVICE_INDEX and * %NFC_ATTR_PROTOCOLS) * @NFC_EVENT_DEVICE_REMOVED: event emitted when a device is removed * (it sends %NFC_ATTR_DEVICE_INDEX) * @NFC_EVENT_TM_ACTIVATED: event emitted when the adapter is activated in * target mode. * @NFC_EVENT_DEVICE_DEACTIVATED: event emitted when the adapter is deactivated * from target mode. * @NFC_CMD_LLC_GET_PARAMS: request LTO, RW, and MIUX parameters for a device * @NFC_CMD_LLC_SET_PARAMS: set one or more of LTO, RW, and MIUX parameters for * a device. LTO must be set before the link is up otherwise -EINPROGRESS * is returned. RW and MIUX can be set at anytime and will be passed in * subsequent CONNECT and CC messages. * If one of the passed parameters is wrong none is set and -EINVAL is * returned. * @NFC_CMD_ENABLE_SE: Enable the physical link to a specific secure element. * Once enabled a secure element will handle card emulation mode, i.e. * starting a poll from a device which has a secure element enabled means * we want to do SE based card emulation. * @NFC_CMD_DISABLE_SE: Disable the physical link to a specific secure element. * @NFC_CMD_FW_DOWNLOAD: Request to Load/flash firmware, or event to inform * that some firmware was loaded * @NFC_EVENT_SE_ADDED: Event emitted when a new secure element is discovered. * This typically will be sent whenever a new NFC controller with either * an embedded SE or an UICC one connected to it through SWP. * @NFC_EVENT_SE_REMOVED: Event emitted when a secure element is removed from * the system, as a consequence of e.g. an NFC controller being unplugged. * @NFC_EVENT_SE_CONNECTIVITY: This event is emitted whenever a secure element * is requesting connectivity access. For example a UICC SE may need to * talk with a sleeping modem and will notify this need by sending this * event. It is then up to userspace to decide if it will wake the modem * up or not. * @NFC_EVENT_SE_TRANSACTION: This event is sent when an application running on * a specific SE notifies us about the end of a transaction. The parameter * for this event is the application ID (AID). * @NFC_CMD_GET_SE: Dump all discovered secure elements from an NFC controller. * @NFC_CMD_SE_IO: Send/Receive APDUs to/from the selected secure element. * @NFC_CMD_ACTIVATE_TARGET: Request NFC controller to reactivate target. * @NFC_CMD_VENDOR: Vendor specific command, to be implemented directly * from the driver in order to support hardware specific operations. * @NFC_CMD_DEACTIVATE_TARGET: Request NFC controller to deactivate target. */ enum nfc_commands { NFC_CMD_UNSPEC, NFC_CMD_GET_DEVICE, NFC_CMD_DEV_UP, NFC_CMD_DEV_DOWN, NFC_CMD_DEP_LINK_UP, NFC_CMD_DEP_LINK_DOWN, NFC_CMD_START_POLL, NFC_CMD_STOP_POLL, NFC_CMD_GET_TARGET, NFC_EVENT_TARGETS_FOUND, NFC_EVENT_DEVICE_ADDED, NFC_EVENT_DEVICE_REMOVED, NFC_EVENT_TARGET_LOST, NFC_EVENT_TM_ACTIVATED, NFC_EVENT_TM_DEACTIVATED, NFC_CMD_LLC_GET_PARAMS, NFC_CMD_LLC_SET_PARAMS, NFC_CMD_ENABLE_SE, NFC_CMD_DISABLE_SE, NFC_CMD_LLC_SDREQ, NFC_EVENT_LLC_SDRES, NFC_CMD_FW_DOWNLOAD, NFC_EVENT_SE_ADDED, NFC_EVENT_SE_REMOVED, NFC_EVENT_SE_CONNECTIVITY, NFC_EVENT_SE_TRANSACTION, NFC_CMD_GET_SE, NFC_CMD_SE_IO, NFC_CMD_ACTIVATE_TARGET, NFC_CMD_VENDOR, NFC_CMD_DEACTIVATE_TARGET, /* private: internal use only */ __NFC_CMD_AFTER_LAST }; #define NFC_CMD_MAX (__NFC_CMD_AFTER_LAST - 1) /** * enum nfc_attrs - supported nfc attributes * * @NFC_ATTR_UNSPEC: unspecified attribute * * @NFC_ATTR_DEVICE_INDEX: index of nfc device * @NFC_ATTR_DEVICE_NAME: device name, max 8 chars * @NFC_ATTR_PROTOCOLS: nfc protocols - bitwise or-ed combination from * NFC_PROTO_*_MASK constants * @NFC_ATTR_TARGET_INDEX: index of the nfc target * @NFC_ATTR_TARGET_SENS_RES: NFC-A targets extra information such as NFCID * @NFC_ATTR_TARGET_SEL_RES: NFC-A targets extra information (useful if the * target is not NFC-Forum compliant) * @NFC_ATTR_TARGET_NFCID1: NFC-A targets identifier, max 10 bytes * @NFC_ATTR_TARGET_SENSB_RES: NFC-B targets extra information, max 12 bytes * @NFC_ATTR_TARGET_SENSF_RES: NFC-F targets extra information, max 18 bytes * @NFC_ATTR_COMM_MODE: Passive or active mode * @NFC_ATTR_RF_MODE: Initiator or target * @NFC_ATTR_IM_PROTOCOLS: Initiator mode protocols to poll for * @NFC_ATTR_TM_PROTOCOLS: Target mode protocols to listen for * @NFC_ATTR_LLC_PARAM_LTO: Link TimeOut parameter * @NFC_ATTR_LLC_PARAM_RW: Receive Window size parameter * @NFC_ATTR_LLC_PARAM_MIUX: MIU eXtension parameter * @NFC_ATTR_SE: Available Secure Elements * @NFC_ATTR_FIRMWARE_NAME: Free format firmware version * @NFC_ATTR_SE_INDEX: Secure element index * @NFC_ATTR_SE_TYPE: Secure element type (UICC or EMBEDDED) * @NFC_ATTR_FIRMWARE_DOWNLOAD_STATUS: Firmware download operation status * @NFC_ATTR_APDU: Secure element APDU * @NFC_ATTR_TARGET_ISO15693_DSFID: ISO 15693 Data Storage Format Identifier * @NFC_ATTR_TARGET_ISO15693_UID: ISO 15693 Unique Identifier * @NFC_ATTR_SE_PARAMS: Parameters data from an evt_transaction * @NFC_ATTR_VENDOR_ID: NFC manufacturer unique ID, typically an OUI * @NFC_ATTR_VENDOR_SUBCMD: Vendor specific sub command * @NFC_ATTR_VENDOR_DATA: Vendor specific data, to be optionally passed * to a vendor specific command implementation */ enum nfc_attrs { NFC_ATTR_UNSPEC, NFC_ATTR_DEVICE_INDEX, NFC_ATTR_DEVICE_NAME, NFC_ATTR_PROTOCOLS, NFC_ATTR_TARGET_INDEX, NFC_ATTR_TARGET_SENS_RES, NFC_ATTR_TARGET_SEL_RES, NFC_ATTR_TARGET_NFCID1, NFC_ATTR_TARGET_SENSB_RES, NFC_ATTR_TARGET_SENSF_RES, NFC_ATTR_COMM_MODE, NFC_ATTR_RF_MODE, NFC_ATTR_DEVICE_POWERED, NFC_ATTR_IM_PROTOCOLS, NFC_ATTR_TM_PROTOCOLS, NFC_ATTR_LLC_PARAM_LTO, NFC_ATTR_LLC_PARAM_RW, NFC_ATTR_LLC_PARAM_MIUX, NFC_ATTR_SE, NFC_ATTR_LLC_SDP, NFC_ATTR_FIRMWARE_NAME, NFC_ATTR_SE_INDEX, NFC_ATTR_SE_TYPE, NFC_ATTR_SE_AID, NFC_ATTR_FIRMWARE_DOWNLOAD_STATUS, NFC_ATTR_SE_APDU, NFC_ATTR_TARGET_ISO15693_DSFID, NFC_ATTR_TARGET_ISO15693_UID, NFC_ATTR_SE_PARAMS, NFC_ATTR_VENDOR_ID, NFC_ATTR_VENDOR_SUBCMD, NFC_ATTR_VENDOR_DATA, /* private: internal use only */ __NFC_ATTR_AFTER_LAST }; #define NFC_ATTR_MAX (__NFC_ATTR_AFTER_LAST - 1) enum nfc_sdp_attr { NFC_SDP_ATTR_UNSPEC, NFC_SDP_ATTR_URI, NFC_SDP_ATTR_SAP, /* private: internal use only */ __NFC_SDP_ATTR_AFTER_LAST }; #define NFC_SDP_ATTR_MAX (__NFC_SDP_ATTR_AFTER_LAST - 1) #define NFC_DEVICE_NAME_MAXSIZE 8 #define NFC_NFCID1_MAXSIZE 10 #define NFC_NFCID2_MAXSIZE 8 #define NFC_NFCID3_MAXSIZE 10 #define NFC_SENSB_RES_MAXSIZE 12 #define NFC_SENSF_RES_MAXSIZE 18 #define NFC_ATR_REQ_MAXSIZE 64 #define NFC_ATR_RES_MAXSIZE 64 #define NFC_ATR_REQ_GB_MAXSIZE 48 #define NFC_ATR_RES_GB_MAXSIZE 47 #define NFC_GB_MAXSIZE 48 #define NFC_FIRMWARE_NAME_MAXSIZE 32 #define NFC_ISO15693_UID_MAXSIZE 8 /* NFC protocols */ #define NFC_PROTO_JEWEL 1 #define NFC_PROTO_MIFARE 2 #define NFC_PROTO_FELICA 3 #define NFC_PROTO_ISO14443 4 #define NFC_PROTO_NFC_DEP 5 #define NFC_PROTO_ISO14443_B 6 #define NFC_PROTO_ISO15693 7 #define NFC_PROTO_MAX 8 /* NFC communication modes */ #define NFC_COMM_ACTIVE 0 #define NFC_COMM_PASSIVE 1 /* NFC RF modes */ #define NFC_RF_INITIATOR 0 #define NFC_RF_TARGET 1 #define NFC_RF_NONE 2 /* NFC protocols masks used in bitsets */ #define NFC_PROTO_JEWEL_MASK (1 << NFC_PROTO_JEWEL) #define NFC_PROTO_MIFARE_MASK (1 << NFC_PROTO_MIFARE) #define NFC_PROTO_FELICA_MASK (1 << NFC_PROTO_FELICA) #define NFC_PROTO_ISO14443_MASK (1 << NFC_PROTO_ISO14443) #define NFC_PROTO_NFC_DEP_MASK (1 << NFC_PROTO_NFC_DEP) #define NFC_PROTO_ISO14443_B_MASK (1 << NFC_PROTO_ISO14443_B) #define NFC_PROTO_ISO15693_MASK (1 << NFC_PROTO_ISO15693) /* NFC Secure Elements */ #define NFC_SE_UICC 0x1 #define NFC_SE_EMBEDDED 0x2 #define NFC_SE_DISABLED 0x0 #define NFC_SE_ENABLED 0x1 struct sockaddr_nfc { sa_family_t sa_family; __u32 dev_idx; __u32 target_idx; __u32 nfc_protocol; }; #define NFC_LLCP_MAX_SERVICE_NAME 63 struct sockaddr_nfc_llcp { sa_family_t sa_family; __u32 dev_idx; __u32 target_idx; __u32 nfc_protocol; __u8 dsap; /* Destination SAP, if known */ __u8 ssap; /* Source SAP to be bound to */ char service_name[NFC_LLCP_MAX_SERVICE_NAME]; /* Service name URI */; size_t service_name_len; }; /* NFC socket protocols */ #define NFC_SOCKPROTO_RAW 0 #define NFC_SOCKPROTO_LLCP 1 #define NFC_SOCKPROTO_MAX 2 #define NFC_HEADER_SIZE 1 /** * Pseudo-header info for raw socket packets * First byte is the adapter index * Second byte contains flags * - 0x01 - Direction (0=RX, 1=TX) * - 0x02-0x04 - Payload type (000=LLCP, 001=NCI, 010=HCI, 011=Digital, * 100=Proprietary) * - 0x05-0x80 - Reserved **/ #define NFC_RAW_HEADER_SIZE 2 #define NFC_DIRECTION_RX 0x00 #define NFC_DIRECTION_TX 0x01 #define RAW_PAYLOAD_LLCP 0 #define RAW_PAYLOAD_NCI 1 #define RAW_PAYLOAD_HCI 2 #define RAW_PAYLOAD_DIGITAL 3 #define RAW_PAYLOAD_PROPRIETARY 4 /* socket option names */ #define NFC_LLCP_RW 0 #define NFC_LLCP_MIUX 1 #define NFC_LLCP_REMOTE_MIU 2 #define NFC_LLCP_REMOTE_LTO 3 #define NFC_LLCP_REMOTE_RW 4 #endif /*__LINUX_NFC_H */