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