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Diffstat (limited to 'include/uapi/linux/nfc.h')
-rw-r--r-- | include/uapi/linux/nfc.h | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/include/uapi/linux/nfc.h b/include/uapi/linux/nfc.h new file mode 100644 index 0000000..7c6f627 --- /dev/null +++ b/include/uapi/linux/nfc.h @@ -0,0 +1,242 @@ +/* + * 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. + */ +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, +/* 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 + */ +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, +/* 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_SENSB_RES_MAXSIZE 12 +#define NFC_SENSF_RES_MAXSIZE 18 +#define NFC_GB_MAXSIZE 48 + +/* 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_MAX 7 + +/* 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) + +/* NFC Secure Elements */ +#define NFC_SE_NONE 0x0 +#define NFC_SE_UICC 0x1 +#define NFC_SE_EMBEDDED 0x2 + +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) + * - 0x02-0x80 - Reserved + **/ +#define NFC_LLCP_RAW_HEADER_SIZE 2 +#define NFC_LLCP_DIRECTION_RX 0x00 +#define NFC_LLCP_DIRECTION_TX 0x01 + +/* 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 */ |