drivers/crypto/caam/dpseci.c - linux - Git at Google

 // 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_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;
 }
	// 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_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;
	}