/*- * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * BSD LICENSE * * Copyright 2013-2016 Freescale Semiconductor Inc. * Copyright 2016 NXP. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of the above-listed copyright holders nor the * names of any contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * GPL LICENSE SUMMARY * * ALTERNATIVELY, this software may be distributed under the terms of the * GNU General Public License ("GPL") as published by the Free Software * Foundation, either version 2 of that License or (at your option) any * later version. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include /** * 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 in * the DPL or by calling the dpseci_create() function. * 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, uint32_t cmd_flags, int dpseci_id, uint16_t *token) { struct dpseci_cmd_open *cmd_params; struct mc_command cmd = { 0 }; int err; /* prepare command */ 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); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ *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, uint32_t cmd_flags, uint16_t token) { struct mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPSECI_CMDID_CLOSE, cmd_flags, token); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpseci_create() - Create the DPSECI object * @mc_io: Pointer to MC portal's I/O object * @dprc_token: Parent container token; '0' for default container * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @cfg: Configuration structure * @obj_id: Returned object id * * Create the DPSECI object, allocate required resources and * perform required initialization. * * The object can be created either by declaring it in the * DPL file, or by calling this function. * * The function accepts an authentication token of a parent * container that this object should be assigned to. The token * can be '0' so the object will be assigned to the default container. * The newly created object can be opened with the returned * object id and using the container's associated tokens and MC portals. * * Return: '0' on Success; Error code otherwise. */ int dpseci_create(struct fsl_mc_io *mc_io, uint16_t dprc_token, uint32_t cmd_flags, const struct dpseci_cfg *cfg, uint32_t *obj_id) { struct dpseci_cmd_create *cmd_params; struct mc_command cmd = { 0 }; int err, i; /* prepare command */ cmd.header = mc_encode_cmd_header(DPSECI_CMDID_CREATE, cmd_flags, dprc_token); cmd_params = (struct dpseci_cmd_create *)cmd.params; for (i = 0; i < DPSECI_PRIO_NUM; i++) cmd_params->priorities[i] = cfg->priorities[i]; cmd_params->num_tx_queues = cfg->num_tx_queues; cmd_params->num_rx_queues = cfg->num_rx_queues; cmd_params->options = cfg->options; /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ *obj_id = mc_cmd_read_object_id(&cmd); return 0; } /** * dpseci_destroy() - Destroy the DPSECI object and release all its resources. * @mc_io: Pointer to MC portal's I/O object * @dprc_token: Parent container token; '0' for default container * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @object_id: The object id; it must be a valid id within the container that * created this object; * * The function accepts the authentication token of the parent container that * created the object (not the one that currently owns the object). The object * is searched within parent using the provided 'object_id'. * All tokens to the object must be closed before calling destroy. * * Return: '0' on Success; error code otherwise. */ int dpseci_destroy(struct fsl_mc_io *mc_io, uint16_t dprc_token, uint32_t cmd_flags, uint32_t object_id) { struct dpseci_cmd_destroy *cmd_params; struct mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPSECI_CMDID_DESTROY, cmd_flags, dprc_token); cmd_params = (struct dpseci_cmd_destroy *)cmd.params; cmd_params->dpseci_id = cpu_to_le32(object_id); /* send command to mc*/ 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, uint32_t cmd_flags, uint16_t token) { struct mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPSECI_CMDID_ENABLE, cmd_flags, token); /* send command to mc*/ 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, uint32_t cmd_flags, uint16_t token) { struct mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPSECI_CMDID_DISABLE, cmd_flags, token); /* send command to mc*/ 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, uint32_t cmd_flags, uint16_t token, int *en) { struct dpseci_rsp_is_enabled *rsp_params; struct mc_command cmd = { 0 }; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPSECI_CMDID_IS_ENABLED, cmd_flags, token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpseci_rsp_is_enabled *)cmd.params; *en = dpseci_get_field(rsp_params->en, ENABLE); return 0; } /** * 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, uint32_t cmd_flags, uint16_t token) { struct mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPSECI_CMDID_RESET, cmd_flags, token); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * 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, uint32_t cmd_flags, uint16_t token, struct dpseci_attr *attr) { struct dpseci_rsp_get_attr *rsp_params; struct mc_command cmd = { 0 }; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_ATTR, cmd_flags, token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpseci_rsp_get_attr *)cmd.params; attr->id = le32_to_cpu(rsp_params->id); attr->options = rsp_params->options; attr->num_tx_queues = rsp_params->num_tx_queues; attr->num_rx_queues = rsp_params->num_rx_queues; 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, uint32_t cmd_flags, uint16_t token, uint8_t queue, const struct dpseci_rx_queue_cfg *cfg) { struct dpseci_cmd_set_rx_queue *cmd_params; struct mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPSECI_CMDID_SET_RX_QUEUE, cmd_flags, token); cmd_params = (struct dpseci_cmd_set_rx_queue *)cmd.params; cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id); cmd_params->dest_priority = cfg->dest_cfg.priority; cmd_params->queue = queue; cmd_params->user_ctx = cpu_to_le64(cfg->user_ctx); cmd_params->options = cpu_to_le32(cfg->options); dpseci_set_field(cmd_params->dest_type, DEST_TYPE, cfg->dest_cfg.dest_type); dpseci_set_field(cmd_params->order_preservation_en, ORDER_PRESERVATION, cfg->order_preservation_en); /* send command to mc*/ 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, uint32_t cmd_flags, uint16_t token, uint8_t queue, struct dpseci_rx_queue_attr *attr) { struct dpseci_rsp_get_rx_queue *rsp_params; struct dpseci_cmd_get_queue *cmd_params; struct mc_command cmd = { 0 }; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_RX_QUEUE, cmd_flags, token); cmd_params = (struct dpseci_cmd_get_queue *)cmd.params; cmd_params->queue = queue; /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpseci_rsp_get_rx_queue *)cmd.params; attr->user_ctx = le64_to_cpu(rsp_params->user_ctx); attr->fqid = le32_to_cpu(rsp_params->fqid); attr->dest_cfg.dest_id = le32_to_cpu(rsp_params->dest_id); attr->dest_cfg.priority = rsp_params->dest_priority; attr->dest_cfg.dest_type = dpseci_get_field(rsp_params->dest_type, DEST_TYPE); attr->order_preservation_en = dpseci_get_field(rsp_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, uint32_t cmd_flags, uint16_t token, uint8_t queue, struct dpseci_tx_queue_attr *attr) { struct dpseci_rsp_get_tx_queue *rsp_params; struct dpseci_cmd_get_queue *cmd_params; struct mc_command cmd = { 0 }; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_TX_QUEUE, cmd_flags, token); cmd_params = (struct dpseci_cmd_get_queue *)cmd.params; cmd_params->queue = queue; /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ 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, uint32_t cmd_flags, uint16_t token, struct dpseci_sec_attr *attr) { struct dpseci_rsp_get_sec_attr *rsp_params; struct mc_command cmd = { 0 }; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_SEC_ATTR, cmd_flags, token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ 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; return 0; } /** * dpseci_get_sec_counters() - Retrieve SEC accelerator counters. * @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 * @counters: Returned SEC counters * * Return: '0' on Success; Error code otherwise. */ int dpseci_get_sec_counters(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, struct dpseci_sec_counters *counters) { struct dpseci_rsp_get_sec_counters *rsp_params; struct mc_command cmd = { 0 }; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_SEC_COUNTERS, cmd_flags, token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpseci_rsp_get_sec_counters *)cmd.params; counters->dequeued_requests = le64_to_cpu(rsp_params->dequeued_requests); counters->ob_enc_requests = le64_to_cpu(rsp_params->ob_enc_requests); counters->ib_dec_requests = le64_to_cpu(rsp_params->ib_dec_requests); counters->ob_enc_bytes = le64_to_cpu(rsp_params->ob_enc_bytes); counters->ob_prot_bytes = le64_to_cpu(rsp_params->ob_prot_bytes); counters->ib_dec_bytes = le64_to_cpu(rsp_params->ib_dec_bytes); counters->ib_valid_bytes = le64_to_cpu(rsp_params->ib_valid_bytes); 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, uint32_t cmd_flags, uint16_t *major_ver, uint16_t *minor_ver) { struct dpseci_rsp_get_api_version *rsp_params; struct mc_command cmd = { 0 }; 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; } int dpseci_set_congestion_notification( struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, const struct dpseci_congestion_notification_cfg *cfg) { struct dpseci_cmd_set_congestion_notification *cmd_params; struct mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header( DPSECI_CMDID_SET_CONGESTION_NOTIFICATION, cmd_flags, token); cmd_params = (struct dpseci_cmd_set_congestion_notification *)cmd.params; cmd_params->dest_id = cfg->dest_cfg.dest_id; cmd_params->dest_priority = cfg->dest_cfg.priority; cmd_params->message_ctx = cfg->message_ctx; cmd_params->message_iova = cfg->message_iova; cmd_params->notification_mode = cfg->notification_mode; cmd_params->threshold_entry = cfg->threshold_entry; cmd_params->threshold_exit = cfg->threshold_exit; dpseci_set_field(cmd_params->type_units, DEST_TYPE, cfg->dest_cfg.dest_type); dpseci_set_field(cmd_params->type_units, CG_UNITS, cfg->units); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } int dpseci_get_congestion_notification( struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, struct dpseci_congestion_notification_cfg *cfg) { struct dpseci_cmd_set_congestion_notification *rsp_params; struct mc_command cmd = { 0 }; int err; /* prepare command */ cmd.header = mc_encode_cmd_header( DPSECI_CMDID_GET_CONGESTION_NOTIFICATION, cmd_flags, token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; rsp_params = (struct dpseci_cmd_set_congestion_notification *)cmd.params; cfg->dest_cfg.dest_id = le32_to_cpu(rsp_params->dest_id); cfg->dest_cfg.priority = rsp_params->dest_priority; cfg->notification_mode = le16_to_cpu(rsp_params->notification_mode); cfg->message_ctx = le64_to_cpu(rsp_params->message_ctx); cfg->message_iova = le64_to_cpu(rsp_params->message_iova); cfg->threshold_entry = le32_to_cpu(rsp_params->threshold_entry); cfg->threshold_exit = le32_to_cpu(rsp_params->threshold_exit); cfg->units = dpseci_get_field(rsp_params->type_units, CG_UNITS); cfg->dest_cfg.dest_type = dpseci_get_field(rsp_params->type_units, DEST_TYPE); return 0; }