--- zzzz-none-000/linux-3.10.107/include/net/nfc/nfc.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/include/net/nfc/nfc.h 2021-02-04 17:41:59.000000000 +0000 @@ -1,5 +1,6 @@ /* * Copyright (C) 2011 Instituto Nokia de Tecnologia + * Copyright (C) 2014 Marvell International Ltd. * * Authors: * Lauro Ramos Venancio @@ -16,9 +17,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the - * Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * along with this program; if not, see . */ #ifndef __NET_NFC_H @@ -28,9 +27,14 @@ #include #include -#define nfc_dev_info(dev, fmt, arg...) dev_info((dev), "NFC: " fmt "\n", ## arg) -#define nfc_dev_err(dev, fmt, arg...) dev_err((dev), "NFC: " fmt "\n", ## arg) -#define nfc_dev_dbg(dev, fmt, arg...) dev_dbg((dev), fmt "\n", ## arg) +#define nfc_info(dev, fmt, ...) dev_info((dev), "NFC: " fmt, ##__VA_ARGS__) +#define nfc_err(dev, fmt, ...) dev_err((dev), "NFC: " fmt, ##__VA_ARGS__) + +struct nfc_phy_ops { + int (*write)(void *dev_id, struct sk_buff *skb); + int (*enable)(void *dev_id); + void (*disable)(void *dev_id); +}; struct nfc_dev; @@ -48,6 +52,8 @@ typedef void (*data_exchange_cb_t)(void *context, struct sk_buff *skb, int err); +typedef void (*se_io_cb_t)(void *context, u8 *apdu, size_t apdu_len, int err); + struct nfc_target; struct nfc_ops { @@ -62,20 +68,36 @@ int (*activate_target)(struct nfc_dev *dev, struct nfc_target *target, u32 protocol); void (*deactivate_target)(struct nfc_dev *dev, - struct nfc_target *target); + struct nfc_target *target, u8 mode); int (*im_transceive)(struct nfc_dev *dev, struct nfc_target *target, struct sk_buff *skb, data_exchange_cb_t cb, void *cb_context); int (*tm_send)(struct nfc_dev *dev, struct sk_buff *skb); int (*check_presence)(struct nfc_dev *dev, struct nfc_target *target); - int (*enable_se)(struct nfc_dev *dev, u32 secure_element); - int (*disable_se)(struct nfc_dev *dev, u32 secure_element); + int (*fw_download)(struct nfc_dev *dev, const char *firmware_name); + + /* Secure Element API */ + int (*discover_se)(struct nfc_dev *dev); + int (*enable_se)(struct nfc_dev *dev, u32 se_idx); + int (*disable_se)(struct nfc_dev *dev, u32 se_idx); + int (*se_io) (struct nfc_dev *dev, u32 se_idx, + u8 *apdu, size_t apdu_length, + se_io_cb_t cb, void *cb_context); }; #define NFC_TARGET_IDX_ANY -1 #define NFC_MAX_GT_LEN 48 #define NFC_ATR_RES_GT_OFFSET 15 +#define NFC_ATR_REQ_GT_OFFSET 14 +/** + * struct nfc_target - NFC target descriptiom + * + * @sens_res: 2 bytes describing the target SENS_RES response, if the target + * is a type A one. The %sens_res most significant byte must be byte 2 + * as described by the NFC Forum digital specification (i.e. the platform + * configuration one) while %sens_res least significant byte is byte 1. + */ struct nfc_target { u32 idx; u32 supported_protocols; @@ -83,19 +105,72 @@ u8 sel_res; u8 nfcid1_len; u8 nfcid1[NFC_NFCID1_MAXSIZE]; + u8 nfcid2_len; + u8 nfcid2[NFC_NFCID2_MAXSIZE]; u8 sensb_res_len; u8 sensb_res[NFC_SENSB_RES_MAXSIZE]; u8 sensf_res_len; u8 sensf_res[NFC_SENSF_RES_MAXSIZE]; u8 hci_reader_gate; u8 logical_idx; + u8 is_iso15693; + u8 iso15693_dsfid; + u8 iso15693_uid[NFC_ISO15693_UID_MAXSIZE]; +}; + +/** + * nfc_se - A structure for NFC accessible secure elements. + * + * @idx: The secure element index. User space will enable or + * disable a secure element by its index. + * @type: The secure element type. It can be SE_UICC or + * SE_EMBEDDED. + * @state: The secure element state, either enabled or disabled. + * + */ +struct nfc_se { + struct list_head list; + u32 idx; + u16 type; + u16 state; }; +/** + * nfc_evt_transaction - A struct for NFC secure element event transaction. + * + * @aid: The application identifier triggering the event + * + * @aid_len: The application identifier length [5:16] + * + * @params: The application parameters transmitted during the transaction + * + * @params_len: The applications parameters length [0:255] + * + */ +#define NFC_MIN_AID_LENGTH 5 +#define NFC_MAX_AID_LENGTH 16 +#define NFC_MAX_PARAMS_LENGTH 255 + +#define NFC_EVT_TRANSACTION_AID_TAG 0x81 +#define NFC_EVT_TRANSACTION_PARAMS_TAG 0x82 +struct nfc_evt_transaction { + u32 aid_len; + u8 aid[NFC_MAX_AID_LENGTH]; + u8 params_len; + u8 params[0]; +} __packed; + struct nfc_genl_data { u32 poll_req_portid; struct mutex genl_data_mutex; }; +struct nfc_vendor_cmd { + __u32 vendor_id; + __u32 subcmd; + int (*doit)(struct nfc_dev *dev, void *data, size_t data_len); +}; + struct nfc_dev { int idx; u32 target_next_idx; @@ -104,6 +179,7 @@ int targets_generation; struct device dev; bool dev_up; + bool fw_download_in_progress; u8 rf_mode; bool polling; struct nfc_target *active_target; @@ -111,8 +187,7 @@ struct nfc_genl_data genl_data; u32 supported_protocols; - u32 supported_se; - u32 active_se; + struct list_head secure_elements; int tx_headroom; int tx_tailroom; @@ -124,7 +199,11 @@ struct rfkill *rfkill; + struct nfc_vendor_cmd *vendor_cmds; + int n_vendor_cmds; + struct nfc_ops *ops; + struct genl_info *cur_cmd_info; }; #define to_nfc_dev(_dev) container_of(_dev, struct nfc_dev, dev) @@ -132,7 +211,6 @@ struct nfc_dev *nfc_allocate_device(struct nfc_ops *ops, u32 supported_protocols, - u32 supported_se, int tx_headroom, int tx_tailroom); @@ -202,6 +280,9 @@ u8 *gt, u8 gt_len); u8 *nfc_get_local_general_bytes(struct nfc_dev *dev, size_t *gb_len); +int nfc_fw_download_done(struct nfc_dev *dev, const char *firmware_name, + u32 result); + int nfc_targets_found(struct nfc_dev *dev, struct nfc_target *targets, int ntargets); int nfc_target_lost(struct nfc_dev *dev, u32 target_idx); @@ -216,4 +297,66 @@ void nfc_driver_failure(struct nfc_dev *dev, int err); +int nfc_se_transaction(struct nfc_dev *dev, u8 se_idx, + struct nfc_evt_transaction *evt_transaction); +int nfc_add_se(struct nfc_dev *dev, u32 se_idx, u16 type); +int nfc_remove_se(struct nfc_dev *dev, u32 se_idx); +struct nfc_se *nfc_find_se(struct nfc_dev *dev, u32 se_idx); + +void nfc_send_to_raw_sock(struct nfc_dev *dev, struct sk_buff *skb, + u8 payload_type, u8 direction); + +static inline int nfc_set_vendor_cmds(struct nfc_dev *dev, + struct nfc_vendor_cmd *cmds, + int n_cmds) +{ + if (dev->vendor_cmds || dev->n_vendor_cmds) + return -EINVAL; + + dev->vendor_cmds = cmds; + dev->n_vendor_cmds = n_cmds; + + return 0; +} + +struct sk_buff *__nfc_alloc_vendor_cmd_reply_skb(struct nfc_dev *dev, + enum nfc_attrs attr, + u32 oui, u32 subcmd, + int approxlen); +int nfc_vendor_cmd_reply(struct sk_buff *skb); + +/** + * nfc_vendor_cmd_alloc_reply_skb - allocate vendor command reply + * @dev: nfc device + * @oui: vendor oui + * @approxlen: an upper bound of the length of the data that will + * be put into the skb + * + * This function allocates and pre-fills an skb for a reply to + * a vendor command. Since it is intended for a reply, calling + * it outside of a vendor command's doit() operation is invalid. + * + * The returned skb is pre-filled with some identifying data in + * a way that any data that is put into the skb (with skb_put(), + * nla_put() or similar) will end up being within the + * %NFC_ATTR_VENDOR_DATA attribute, so all that needs to be done + * with the skb is adding data for the corresponding userspace tool + * which can then read that data out of the vendor data attribute. + * You must not modify the skb in any other way. + * + * When done, call nfc_vendor_cmd_reply() with the skb and return + * its error code as the result of the doit() operation. + * + * Return: An allocated and pre-filled skb. %NULL if any errors happen. + */ +static inline struct sk_buff * +nfc_vendor_cmd_alloc_reply_skb(struct nfc_dev *dev, + u32 oui, u32 subcmd, int approxlen) +{ + return __nfc_alloc_vendor_cmd_reply_skb(dev, + NFC_ATTR_VENDOR_DATA, + oui, + subcmd, approxlen); +} + #endif /* __NET_NFC_H */