// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * Copyright 2013-2016 Freescale Semiconductor Inc. * Copyright 2017-2018 NXP */ #include <linux/fsl/mc.h> #include "dpseci.h" #include "dpseci_cmd.h" /** * dpseci_open() - Open a control session for the specified object * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @dpseci_id: DPSECI unique ID * @token: Returned token; use in subsequent API calls * * This function can be used to open a control session for an already created * object; an object may have been declared statically in the DPL * or created dynamically. * This function returns a unique authentication token, associated with the * specific object ID and the specific MC portal; this token must be used in all * subsequent commands for this specific object. * * Return: '0' on success, error code otherwise */ int dpseci_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int dpseci_id, u16 *token) { struct fsl_mc_command cmd = { 0 }; struct dpseci_cmd_open *cmd_params; int err; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_OPEN, cmd_flags, 0); cmd_params = (struct dpseci_cmd_open *)cmd.params; cmd_params->dpseci_id = cpu_to_le32(dpseci_id); err = mc_send_command(mc_io, &cmd); if (err) return err; *token = mc_cmd_hdr_read_token(&cmd); return 0; } /** * dpseci_close() - Close the control session of the object * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * * After this function is called, no further operations are allowed on the * object without opening a new control session. * * Return: '0' on success, error code otherwise */ int dpseci_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) { struct fsl_mc_command cmd = { 0 }; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_CLOSE, cmd_flags, token); return mc_send_command(mc_io, &cmd); } /** * dpseci_enable() - Enable the DPSECI, allow sending and receiving frames * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * * Return: '0' on success, error code otherwise */ int dpseci_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) { struct fsl_mc_command cmd = { 0 }; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_ENABLE, cmd_flags, token); return mc_send_command(mc_io, &cmd); } /** * dpseci_disable() - Disable the DPSECI, stop sending and receiving frames * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * * Return: '0' on success, error code otherwise */ int dpseci_disable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) { struct fsl_mc_command cmd = { 0 }; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_DISABLE, cmd_flags, token); return mc_send_command(mc_io, &cmd); } /** * dpseci_reset() - Reset the DPSECI, returns the object to initial state * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * * Return: '0' on success, error code otherwise */ int dpseci_reset(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) { struct fsl_mc_command cmd = { 0 }; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_RESET, cmd_flags, token); return mc_send_command(mc_io, &cmd); } /** * dpseci_is_enabled() - Check if the DPSECI is enabled. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @en: Returns '1' if object is enabled; '0' otherwise * * Return: '0' on success, error code otherwise */ int dpseci_is_enabled(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, int *en) { struct fsl_mc_command cmd = { 0 }; struct dpseci_rsp_is_enabled *rsp_params; int err; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_IS_ENABLED, cmd_flags, token); err = mc_send_command(mc_io, &cmd); if (err) return err; rsp_params = (struct dpseci_rsp_is_enabled *)cmd.params; *en = dpseci_get_field(rsp_params->is_enabled, ENABLE); return 0; } /** * dpseci_get_attributes() - Retrieve DPSECI attributes * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @attr: Returned object's attributes * * Return: '0' on success, error code otherwise */ int dpseci_get_attributes(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, struct dpseci_attr *attr) { struct fsl_mc_command cmd = { 0 }; struct dpseci_rsp_get_attributes *rsp_params; int err; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_ATTR, cmd_flags, token); err = mc_send_command(mc_io, &cmd); if (err) return err; rsp_params = (struct dpseci_rsp_get_attributes *)cmd.params; attr->id = le32_to_cpu(rsp_params->id); attr->num_tx_queues = rsp_params->num_tx_queues; attr->num_rx_queues = rsp_params->num_rx_queues; attr->options = le32_to_cpu(rsp_params->options); return 0; } /** * dpseci_set_rx_queue() - Set Rx queue configuration * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @queue: Select the queue relative to number of priorities configured at * DPSECI creation; use DPSECI_ALL_QUEUES to configure all * Rx queues identically. * @cfg: Rx queue configuration * * Return: '0' on success, error code otherwise */ int dpseci_set_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 queue, const struct dpseci_rx_queue_cfg *cfg) { struct fsl_mc_command cmd = { 0 }; struct dpseci_cmd_queue *cmd_params; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_SET_RX_QUEUE, cmd_flags, token); cmd_params = (struct dpseci_cmd_queue *)cmd.params; cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id); cmd_params->priority = cfg->dest_cfg.priority; cmd_params->queue = queue; dpseci_set_field(cmd_params->dest_type, DEST_TYPE, cfg->dest_cfg.dest_type); cmd_params->user_ctx = cpu_to_le64(cfg->user_ctx); cmd_params->options = cpu_to_le32(cfg->options); dpseci_set_field(cmd_params->order_preservation_en, ORDER_PRESERVATION, cfg->order_preservation_en); return mc_send_command(mc_io, &cmd); } /** * dpseci_get_rx_queue() - Retrieve Rx queue attributes * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @queue: Select the queue relative to number of priorities configured at * DPSECI creation * @attr: Returned Rx queue attributes * * Return: '0' on success, error code otherwise */ int dpseci_get_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 queue, struct dpseci_rx_queue_attr *attr) { struct fsl_mc_command cmd = { 0 }; struct dpseci_cmd_queue *cmd_params; int err; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_RX_QUEUE, cmd_flags, token); cmd_params = (struct dpseci_cmd_queue *)cmd.params; cmd_params->queue = queue; err = mc_send_command(mc_io, &cmd); if (err) return err; attr->dest_cfg.dest_id = le32_to_cpu(cmd_params->dest_id); attr->dest_cfg.priority = cmd_params->priority; attr->dest_cfg.dest_type = dpseci_get_field(cmd_params->dest_type, DEST_TYPE); attr->user_ctx = le64_to_cpu(cmd_params->user_ctx); attr->fqid = le32_to_cpu(cmd_params->fqid); attr->order_preservation_en = dpseci_get_field(cmd_params->order_preservation_en, ORDER_PRESERVATION); return 0; } /** * dpseci_get_tx_queue() - Retrieve Tx queue attributes * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @queue: Select the queue relative to number of priorities configured at * DPSECI creation * @attr: Returned Tx queue attributes * * Return: '0' on success, error code otherwise */ int dpseci_get_tx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 queue, struct dpseci_tx_queue_attr *attr) { struct fsl_mc_command cmd = { 0 }; struct dpseci_cmd_queue *cmd_params; struct dpseci_rsp_get_tx_queue *rsp_params; int err; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_TX_QUEUE, cmd_flags, token); cmd_params = (struct dpseci_cmd_queue *)cmd.params; cmd_params->queue = queue; err = mc_send_command(mc_io, &cmd); if (err) return err; rsp_params = (struct dpseci_rsp_get_tx_queue *)cmd.params; attr->fqid = le32_to_cpu(rsp_params->fqid); attr->priority = rsp_params->priority; return 0; } /** * dpseci_get_sec_attr() - Retrieve SEC accelerator attributes * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @attr: Returned SEC attributes * * Return: '0' on success, error code otherwise */ int dpseci_get_sec_attr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, struct dpseci_sec_attr *attr) { struct fsl_mc_command cmd = { 0 }; struct dpseci_rsp_get_sec_attr *rsp_params; int err; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_SEC_ATTR, cmd_flags, token); err = mc_send_command(mc_io, &cmd); if (err) return err; rsp_params = (struct dpseci_rsp_get_sec_attr *)cmd.params; attr->ip_id = le16_to_cpu(rsp_params->ip_id); attr->major_rev = rsp_params->major_rev; attr->minor_rev = rsp_params->minor_rev; attr->era = rsp_params->era; attr->deco_num = rsp_params->deco_num; attr->zuc_auth_acc_num = rsp_params->zuc_auth_acc_num; attr->zuc_enc_acc_num = rsp_params->zuc_enc_acc_num; attr->snow_f8_acc_num = rsp_params->snow_f8_acc_num; attr->snow_f9_acc_num = rsp_params->snow_f9_acc_num; attr->crc_acc_num = rsp_params->crc_acc_num; attr->pk_acc_num = rsp_params->pk_acc_num; attr->kasumi_acc_num = rsp_params->kasumi_acc_num; attr->rng_acc_num = rsp_params->rng_acc_num; attr->md_acc_num = rsp_params->md_acc_num; attr->arc4_acc_num = rsp_params->arc4_acc_num; attr->des_acc_num = rsp_params->des_acc_num; attr->aes_acc_num = rsp_params->aes_acc_num; attr->ccha_acc_num = rsp_params->ccha_acc_num; attr->ptha_acc_num = rsp_params->ptha_acc_num; return 0; } /** * dpseci_get_api_version() - Get Data Path SEC Interface API version * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @major_ver: Major version of data path sec API * @minor_ver: Minor version of data path sec API * * Return: '0' on success, error code otherwise */ int dpseci_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 *major_ver, u16 *minor_ver) { struct fsl_mc_command cmd = { 0 }; struct dpseci_rsp_get_api_version *rsp_params; int err; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_API_VERSION, cmd_flags, 0); err = mc_send_command(mc_io, &cmd); if (err) return err; rsp_params = (struct dpseci_rsp_get_api_version *)cmd.params; *major_ver = le16_to_cpu(rsp_params->major); *minor_ver = le16_to_cpu(rsp_params->minor); return 0; } /** * dpseci_set_congestion_notification() - Set congestion group * notification configuration * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @cfg: congestion notification configuration * * Return: '0' on success, error code otherwise */ int dpseci_set_congestion_notification(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, const struct dpseci_congestion_notification_cfg *cfg) { struct fsl_mc_command cmd = { 0 }; struct dpseci_cmd_congestion_notification *cmd_params; cmd.header = mc_encode_cmd_header( DPSECI_CMDID_SET_CONGESTION_NOTIFICATION, cmd_flags, token); cmd_params = (struct dpseci_cmd_congestion_notification *)cmd.params; cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id); cmd_params->notification_mode = cpu_to_le16(cfg->notification_mode); cmd_params->priority = cfg->dest_cfg.priority; dpseci_set_field(cmd_params->options, CGN_DEST_TYPE, cfg->dest_cfg.dest_type); dpseci_set_field(cmd_params->options, CGN_UNITS, cfg->units); cmd_params->message_iova = cpu_to_le64(cfg->message_iova); cmd_params->message_ctx = cpu_to_le64(cfg->message_ctx); cmd_params->threshold_entry = cpu_to_le32(cfg->threshold_entry); cmd_params->threshold_exit = cpu_to_le32(cfg->threshold_exit); return mc_send_command(mc_io, &cmd); } /** * dpseci_get_congestion_notification() - Get congestion group notification * configuration * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @cfg: congestion notification configuration * * Return: '0' on success, error code otherwise */ int dpseci_get_congestion_notification(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, struct dpseci_congestion_notification_cfg *cfg) { struct fsl_mc_command cmd = { 0 }; struct dpseci_cmd_congestion_notification *rsp_params; int err; cmd.header = mc_encode_cmd_header( DPSECI_CMDID_GET_CONGESTION_NOTIFICATION, cmd_flags, token); err = mc_send_command(mc_io, &cmd); if (err) return err; rsp_params = (struct dpseci_cmd_congestion_notification *)cmd.params; cfg->dest_cfg.dest_id = le32_to_cpu(rsp_params->dest_id); cfg->notification_mode = le16_to_cpu(rsp_params->notification_mode); cfg->dest_cfg.priority = rsp_params->priority; cfg->dest_cfg.dest_type = dpseci_get_field(rsp_params->options, CGN_DEST_TYPE); cfg->units = dpseci_get_field(rsp_params->options, CGN_UNITS); cfg->message_iova = le64_to_cpu(rsp_params->message_iova); cfg->message_ctx = le64_to_cpu(rsp_params->message_ctx); cfg->threshold_entry = le32_to_cpu(rsp_params->threshold_entry); cfg->threshold_exit = le32_to_cpu(rsp_params->threshold_exit); return 0; }