mirror of https://github.com/F-Stack/f-stack.git
433 lines
14 KiB
C
433 lines
14 KiB
C
/*-
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* BSD LICENSE
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*
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* Copyright 2013-2016 Freescale Semiconductor Inc.
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* Copyright 2016-2017 NXP.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the above-listed copyright holders nor the
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* names of any contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* GPL LICENSE SUMMARY
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*
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* ALTERNATIVELY, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") as published by the Free Software
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* Foundation, either version 2 of that License or (at your option) any
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* later version.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __FSL_DPSECI_H
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#define __FSL_DPSECI_H
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/* Data Path SEC Interface API
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* Contains initialization APIs and runtime control APIs for DPSECI
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*/
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struct fsl_mc_io;
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/**
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* General DPSECI macros
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*/
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/**
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* Maximum number of Tx/Rx priorities per DPSECI object
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*/
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#define DPSECI_PRIO_NUM 8
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/**
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* All queues considered; see dpseci_set_rx_queue()
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*/
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#define DPSECI_ALL_QUEUES (uint8_t)(-1)
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int dpseci_open(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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int dpseci_id,
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uint16_t *token);
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int dpseci_close(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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/**
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* Enable the Congestion Group support
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*/
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#define DPSECI_OPT_HAS_CG 0x000020
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/**
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* struct dpseci_cfg - Structure representing DPSECI configuration
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* @options: Any combination of the following options:
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* DPSECI_OPT_HAS_CG
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* DPSECI_OPT_HAS_OPR
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* DPSECI_OPT_OPR_SHARED
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* @num_tx_queues: num of queues towards the SEC
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* @num_rx_queues: num of queues back from the SEC
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* @priorities: Priorities for the SEC hardware processing;
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* each place in the array is the priority of the tx queue
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* towards the SEC,
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* valid priorities are configured with values 1-8;
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*/
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struct dpseci_cfg {
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uint32_t options;
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uint8_t num_tx_queues;
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uint8_t num_rx_queues;
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uint8_t priorities[DPSECI_PRIO_NUM];
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};
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int dpseci_create(struct fsl_mc_io *mc_io,
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uint16_t dprc_token,
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uint32_t cmd_flags,
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const struct dpseci_cfg *cfg,
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uint32_t *obj_id);
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int dpseci_destroy(struct fsl_mc_io *mc_io,
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uint16_t dprc_token,
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uint32_t cmd_flags,
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uint32_t object_id);
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int dpseci_enable(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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int dpseci_disable(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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int dpseci_is_enabled(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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int *en);
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int dpseci_reset(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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/**
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* struct dpseci_attr - Structure representing DPSECI attributes
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* @id: DPSECI object ID
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* @num_tx_queues: number of queues towards the SEC
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* @num_rx_queues: number of queues back from the SEC
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* @options: Any combination of the following options:
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* DPSECI_OPT_HAS_CG
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* DPSECI_OPT_HAS_OPR
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* DPSECI_OPT_OPR_SHARED
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*/
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struct dpseci_attr {
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int id;
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uint8_t num_tx_queues;
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uint8_t num_rx_queues;
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uint32_t options;
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};
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int dpseci_get_attributes(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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struct dpseci_attr *attr);
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/**
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* enum dpseci_dest - DPSECI destination types
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* @DPSECI_DEST_NONE: Unassigned destination; The queue is set in parked mode
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* and does not generate FQDAN notifications; user is expected to
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* dequeue from the queue based on polling or other user-defined
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* method
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* @DPSECI_DEST_DPIO: The queue is set in schedule mode and generates FQDAN
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* notifications to the specified DPIO; user is expected to dequeue
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* from the queue only after notification is received
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* @DPSECI_DEST_DPCON: The queue is set in schedule mode and does not generate
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* FQDAN notifications, but is connected to the specified DPCON
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* object; user is expected to dequeue from the DPCON channel
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*/
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enum dpseci_dest {
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DPSECI_DEST_NONE = 0,
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DPSECI_DEST_DPIO = 1,
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DPSECI_DEST_DPCON = 2
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};
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/**
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* struct dpseci_dest_cfg - Structure representing DPSECI destination parameters
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* @dest_type: Destination type
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* @dest_id: Either DPIO ID or DPCON ID, depending on the destination type
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* @priority: Priority selection within the DPIO or DPCON channel; valid values
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* are 0-1 or 0-7, depending on the number of priorities in that
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* channel; not relevant for 'DPSECI_DEST_NONE' option
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*/
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struct dpseci_dest_cfg {
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enum dpseci_dest dest_type;
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int dest_id;
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uint8_t priority;
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};
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/**
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* DPSECI queue modification options
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*/
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/**
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* Select to modify the user's context associated with the queue
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*/
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#define DPSECI_QUEUE_OPT_USER_CTX 0x00000001
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/**
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* Select to modify the queue's destination
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*/
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#define DPSECI_QUEUE_OPT_DEST 0x00000002
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/**
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* Select to modify the queue's order preservation
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*/
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#define DPSECI_QUEUE_OPT_ORDER_PRESERVATION 0x00000004
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/**
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* struct dpseci_rx_queue_cfg - DPSECI RX queue configuration
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* @options: Flags representing the suggested modifications to the queue;
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* Use any combination of 'DPSECI_QUEUE_OPT_<X>' flags
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* @order_preservation_en: order preservation configuration for the rx queue
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* valid only if 'DPSECI_QUEUE_OPT_ORDER_PRESERVATION' is contained in 'options'
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* @user_ctx: User context value provided in the frame descriptor of each
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* dequeued frame;
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* valid only if 'DPSECI_QUEUE_OPT_USER_CTX' is contained in 'options'
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* @dest_cfg: Queue destination parameters;
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* valid only if 'DPSECI_QUEUE_OPT_DEST' is contained in 'options'
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*/
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struct dpseci_rx_queue_cfg {
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uint32_t options;
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int order_preservation_en;
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uint64_t user_ctx;
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struct dpseci_dest_cfg dest_cfg;
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};
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int dpseci_set_rx_queue(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint8_t queue,
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const struct dpseci_rx_queue_cfg *cfg);
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/**
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* struct dpseci_rx_queue_attr - Structure representing attributes of Rx queues
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* @user_ctx: User context value provided in the frame descriptor of each
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* dequeued frame
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* @order_preservation_en: Status of the order preservation configuration
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* on the queue
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* @dest_cfg: Queue destination configuration
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* @fqid: Virtual FQID value to be used for dequeue operations
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*/
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struct dpseci_rx_queue_attr {
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uint64_t user_ctx;
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int order_preservation_en;
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struct dpseci_dest_cfg dest_cfg;
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uint32_t fqid;
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};
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int dpseci_get_rx_queue(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint8_t queue,
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struct dpseci_rx_queue_attr *attr);
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/**
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* struct dpseci_tx_queue_attr - Structure representing attributes of Tx queues
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* @fqid: Virtual FQID to be used for sending frames to SEC hardware
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* @priority: SEC hardware processing priority for the queue
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*/
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struct dpseci_tx_queue_attr {
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uint32_t fqid;
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uint8_t priority;
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};
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int dpseci_get_tx_queue(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint8_t queue,
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struct dpseci_tx_queue_attr *attr);
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/**
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* struct dpseci_sec_attr - Structure representing attributes of the SEC
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* hardware accelerator
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* @ip_id: ID for SEC.
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* @major_rev: Major revision number for SEC.
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* @minor_rev: Minor revision number for SEC.
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* @era: SEC Era.
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* @deco_num: The number of copies of the DECO that are implemented
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* in this version of SEC.
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* @zuc_auth_acc_num: The number of copies of ZUCA that are implemented
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* in this version of SEC.
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* @zuc_enc_acc_num: The number of copies of ZUCE that are implemented
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* in this version of SEC.
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* @snow_f8_acc_num: The number of copies of the SNOW-f8 module that are
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* implemented in this version of SEC.
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* @snow_f9_acc_num: The number of copies of the SNOW-f9 module that are
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* implemented in this version of SEC.
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* @crc_acc_num: The number of copies of the CRC module that are
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* implemented in this version of SEC.
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* @pk_acc_num: The number of copies of the Public Key module that are
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* implemented in this version of SEC.
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* @kasumi_acc_num: The number of copies of the Kasumi module that are
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* implemented in this version of SEC.
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* @rng_acc_num: The number of copies of the Random Number Generator that
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* are implemented in this version of SEC.
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* @md_acc_num: The number of copies of the MDHA (Hashing module) that
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* are implemented in this version of SEC.
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* @arc4_acc_num: The number of copies of the ARC4 module that are
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* implemented in this version of SEC.
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* @des_acc_num: The number of copies of the DES module that are
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* implemented in this version of SEC.
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* @aes_acc_num: The number of copies of the AES module that are
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* implemented in this version of SEC.
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**/
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struct dpseci_sec_attr {
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uint16_t ip_id;
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uint8_t major_rev;
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uint8_t minor_rev;
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uint8_t era;
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uint8_t deco_num;
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uint8_t zuc_auth_acc_num;
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uint8_t zuc_enc_acc_num;
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uint8_t snow_f8_acc_num;
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uint8_t snow_f9_acc_num;
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uint8_t crc_acc_num;
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uint8_t pk_acc_num;
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uint8_t kasumi_acc_num;
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uint8_t rng_acc_num;
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uint8_t md_acc_num;
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uint8_t arc4_acc_num;
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uint8_t des_acc_num;
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uint8_t aes_acc_num;
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};
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int dpseci_get_sec_attr(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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struct dpseci_sec_attr *attr);
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/**
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* struct dpseci_sec_counters - Structure representing global SEC counters and
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* not per dpseci counters
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* @dequeued_requests: Number of Requests Dequeued
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* @ob_enc_requests: Number of Outbound Encrypt Requests
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* @ib_dec_requests: Number of Inbound Decrypt Requests
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* @ob_enc_bytes: Number of Outbound Bytes Encrypted
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* @ob_prot_bytes: Number of Outbound Bytes Protected
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* @ib_dec_bytes: Number of Inbound Bytes Decrypted
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* @ib_valid_bytes: Number of Inbound Bytes Validated
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*/
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struct dpseci_sec_counters {
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uint64_t dequeued_requests;
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uint64_t ob_enc_requests;
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uint64_t ib_dec_requests;
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uint64_t ob_enc_bytes;
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uint64_t ob_prot_bytes;
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uint64_t ib_dec_bytes;
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uint64_t ib_valid_bytes;
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};
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int dpseci_get_sec_counters(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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struct dpseci_sec_counters *counters);
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int dpseci_get_api_version(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t *major_ver,
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uint16_t *minor_ver);
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/**
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* enum dpseci_congestion_unit - DPSECI congestion units
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* @DPSECI_CONGESTION_UNIT_BYTES: bytes units
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* @DPSECI_CONGESTION_UNIT_FRAMES: frames units
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*/
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enum dpseci_congestion_unit {
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DPSECI_CONGESTION_UNIT_BYTES = 0,
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DPSECI_CONGESTION_UNIT_FRAMES
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};
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/**
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* CSCN message is written to message_iova once entering a
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* congestion state (see 'threshold_entry')
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*/
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#define DPSECI_CGN_MODE_WRITE_MEM_ON_ENTER 0x00000001
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/**
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* CSCN message is written to message_iova once exiting a
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* congestion state (see 'threshold_exit')
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*/
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#define DPSECI_CGN_MODE_WRITE_MEM_ON_EXIT 0x00000002
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/**
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* CSCN write will attempt to allocate into a cache (coherent write);
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* valid only if 'DPSECI_CGN_MODE_WRITE_MEM_<X>' is selected
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*/
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#define DPSECI_CGN_MODE_COHERENT_WRITE 0x00000004
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/**
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* if 'dpseci_dest_cfg.dest_type != DPSECI_DEST_NONE' CSCN message is sent to
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* DPIO/DPCON's WQ channel once entering a congestion state
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* (see 'threshold_entry')
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*/
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#define DPSECI_CGN_MODE_NOTIFY_DEST_ON_ENTER 0x00000008
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/**
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* if 'dpseci_dest_cfg.dest_type != DPSECI_DEST_NONE' CSCN message is sent to
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* DPIO/DPCON's WQ channel once exiting a congestion state
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* (see 'threshold_exit')
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*/
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#define DPSECI_CGN_MODE_NOTIFY_DEST_ON_EXIT 0x00000010
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/**
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* if 'dpseci_dest_cfg.dest_type != DPSECI_DEST_NONE' when the CSCN is written
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* to the sw-portal's DQRR, the DQRI interrupt is asserted immediately
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* (if enabled)
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*/
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#define DPSECI_CGN_MODE_INTR_COALESCING_DISABLED 0x00000020
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/**
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* struct dpseci_congestion_notification_cfg - congestion notification
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* configuration
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* @units: units type
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* @threshold_entry: above this threshold we enter a congestion state.
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* set it to '0' to disable it
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* @threshold_exit: below this threshold we exit the congestion state.
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* @message_ctx: The context that will be part of the CSCN message
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* @message_iova: I/O virtual address (must be in DMA-able memory),
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* must be 16B aligned;
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* @dest_cfg: CSCN can be send to either DPIO or DPCON WQ channel
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* @notification_mode: Mask of available options; use 'DPSECI_CGN_MODE_<X>'
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* values
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*/
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struct dpseci_congestion_notification_cfg {
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enum dpseci_congestion_unit units;
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uint32_t threshold_entry;
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uint32_t threshold_exit;
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uint64_t message_ctx;
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uint64_t message_iova;
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struct dpseci_dest_cfg dest_cfg;
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uint16_t notification_mode;
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};
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int dpseci_set_congestion_notification(
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struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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const struct dpseci_congestion_notification_cfg *cfg);
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int dpseci_get_congestion_notification(
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struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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struct dpseci_congestion_notification_cfg *cfg);
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#endif /* __FSL_DPSECI_H */
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