crypto: caam - add DPAA2-CAAM (DPSECI) backend API

// 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

 */

#ifndef _DPSECI_H_

#define _DPSECI_H_

/*

 * Data Path SEC Interface API

 * Contains initialization APIs and runtime control APIs for DPSECI

 */

struct fsl_mc_io;

/**

 * General DPSECI macros

 */

/**

 * Maximum number of Tx/Rx queues per DPSECI object

 */

#define DPSECI_MAX_QUEUE_NUM		16

/**

 * All queues considered; see dpseci_set_rx_queue()

 */

#define DPSECI_ALL_QUEUES	(u8)(-1)

int dpseci_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int dpseci_id,

		u16 *token);

int dpseci_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);

/**

 * Enable the Congestion Group support

 */

#define DPSECI_OPT_HAS_CG		0x000020

/**

 * struct dpseci_cfg - Structure representing DPSECI configuration

 * @options: Any combination of the following flags:

 *		DPSECI_OPT_HAS_CG

 * @num_tx_queues: num of queues towards the SEC

 * @num_rx_queues: num of queues back from the SEC

 * @priorities: Priorities for the SEC hardware processing;

 *		each place in the array is the priority of the tx queue

 *		towards the SEC;

 *		valid priorities are configured with values 1-8;

 */

struct dpseci_cfg {

	u32 options;

	u8 num_tx_queues;

	u8 num_rx_queues;

	u8 priorities[DPSECI_MAX_QUEUE_NUM];

};

int dpseci_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);

int dpseci_disable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);

int dpseci_is_enabled(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,

		      int *en);

/**

 * struct dpseci_attr - Structure representing DPSECI attributes

 * @id: DPSECI object ID

 * @num_tx_queues: number of queues towards the SEC

 * @num_rx_queues: number of queues back from the SEC

 * @options: any combination of the following flags:

 *		DPSECI_OPT_HAS_CG

 */

struct dpseci_attr {

	int id;

	u8 num_tx_queues;

	u8 num_rx_queues;

	u32 options;

};

int dpseci_get_attributes(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,

			  struct dpseci_attr *attr);

/**

 * enum dpseci_dest - DPSECI destination types

 * @DPSECI_DEST_NONE: Unassigned destination; The queue is set in parked mode

 *	and does not generate FQDAN notifications; user is expected to dequeue

 *	from the queue based on polling or other user-defined method

 * @DPSECI_DEST_DPIO: The queue is set in schedule mode and generates FQDAN

 *	notifications to the specified DPIO; user is expected to dequeue from

 *	the queue only after notification is received

 * @DPSECI_DEST_DPCON: The queue is set in schedule mode and does not generate

 *	FQDAN notifications, but is connected to the specified DPCON object;

 *	user is expected to dequeue from the DPCON channel

 */

enum dpseci_dest {

	DPSECI_DEST_NONE = 0,

	DPSECI_DEST_DPIO,

	DPSECI_DEST_DPCON

};

/**

 * struct dpseci_dest_cfg - Structure representing DPSECI destination parameters

 * @dest_type: Destination type

 * @dest_id: Either DPIO ID or DPCON ID, depending on the destination type

 * @priority: Priority selection within the DPIO or DPCON channel; valid values

 *	are 0-1 or 0-7, depending on the number of priorities in that channel;

 *	not relevant for 'DPSECI_DEST_NONE' option

 */

struct dpseci_dest_cfg {

	enum dpseci_dest dest_type;

	int dest_id;

	u8 priority;

};

/**

 * DPSECI queue modification options

 */

/**

 * Select to modify the user's context associated with the queue

 */

#define DPSECI_QUEUE_OPT_USER_CTX		0x00000001

/**

 * Select to modify the queue's destination

 */

#define DPSECI_QUEUE_OPT_DEST			0x00000002

/**

 * Select to modify the queue's order preservation

 */

#define DPSECI_QUEUE_OPT_ORDER_PRESERVATION	0x00000004

/**

 * struct dpseci_rx_queue_cfg - DPSECI RX queue configuration

 * @options: Flags representing the suggested modifications to the queue;

 *	Use any combination of 'DPSECI_QUEUE_OPT_<X>' flags

 * @order_preservation_en: order preservation configuration for the rx queue

 * valid only if 'DPSECI_QUEUE_OPT_ORDER_PRESERVATION' is contained in 'options'

 * @user_ctx: User context value provided in the frame descriptor of each

 *	dequeued frame;	valid only if 'DPSECI_QUEUE_OPT_USER_CTX' is contained

 *	in 'options'

 * @dest_cfg: Queue destination parameters; valid only if

 *	'DPSECI_QUEUE_OPT_DEST' is contained in 'options'

 */

struct dpseci_rx_queue_cfg {

	u32 options;

	int order_preservation_en;

	u64 user_ctx;

	struct dpseci_dest_cfg dest_cfg;

};

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 dpseci_rx_queue_attr - Structure representing attributes of Rx queues

 * @user_ctx: User context value provided in the frame descriptor of each

 *	dequeued frame

 * @order_preservation_en: Status of the order preservation configuration on the

 *	queue

 * @dest_cfg: Queue destination configuration

 * @fqid: Virtual FQID value to be used for dequeue operations

 */

struct dpseci_rx_queue_attr {

	u64 user_ctx;

	int order_preservation_en;

	struct dpseci_dest_cfg dest_cfg;

	u32 fqid;

};

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 dpseci_tx_queue_attr - Structure representing attributes of Tx queues

 * @fqid: Virtual FQID to be used for sending frames to SEC hardware

 * @priority: SEC hardware processing priority for the queue

 */

struct dpseci_tx_queue_attr {

	u32 fqid;

	u8 priority;

};

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 dpseci_sec_attr - Structure representing attributes of the SEC

 *	hardware accelerator

 * @ip_id: ID for SEC

 * @major_rev: Major revision number for SEC

 * @minor_rev: Minor revision number for SEC

 * @era: SEC Era

 * @deco_num: The number of copies of the DECO that are implemented in this

 *	version of SEC

 * @zuc_auth_acc_num: The number of copies of ZUCA that are implemented in this

 *	version of SEC

 * @zuc_enc_acc_num: The number of copies of ZUCE that are implemented in this

 *	version of SEC

 * @snow_f8_acc_num: The number of copies of the SNOW-f8 module that are

 *	implemented in this version of SEC

 * @snow_f9_acc_num: The number of copies of the SNOW-f9 module that are

 *	implemented in this version of SEC

 * @crc_acc_num: The number of copies of the CRC module that are implemented in

 *	this version of SEC

 * @pk_acc_num:  The number of copies of the Public Key module that are

 *	implemented in this version of SEC

 * @kasumi_acc_num: The number of copies of the Kasumi module that are

 *	implemented in this version of SEC

 * @rng_acc_num: The number of copies of the Random Number Generator that are

 *	implemented in this version of SEC

 * @md_acc_num: The number of copies of the MDHA (Hashing module) that are

 *	implemented in this version of SEC

 * @arc4_acc_num: The number of copies of the ARC4 module that are implemented

 *	in this version of SEC

 * @des_acc_num: The number of copies of the DES module that are implemented in

 *	this version of SEC

 * @aes_acc_num: The number of copies of the AES module that are implemented in

 *	this version of SEC

 * @ccha_acc_num: The number of copies of the ChaCha20 module that are

 *	implemented in this version of SEC.

 * @ptha_acc_num: The number of copies of the Poly1305 module that are

 *	implemented in this version of SEC.

 **/

struct dpseci_sec_attr {

	u16 ip_id;

	u8 major_rev;

	u8 minor_rev;

	u8 era;

	u8 deco_num;

	u8 zuc_auth_acc_num;

	u8 zuc_enc_acc_num;

	u8 snow_f8_acc_num;

	u8 snow_f9_acc_num;

	u8 crc_acc_num;

	u8 pk_acc_num;

	u8 kasumi_acc_num;

	u8 rng_acc_num;

	u8 md_acc_num;

	u8 arc4_acc_num;

	u8 des_acc_num;

	u8 aes_acc_num;

	u8 ccha_acc_num;

	u8 ptha_acc_num;

};

int dpseci_get_sec_attr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,

			struct dpseci_sec_attr *attr);

int dpseci_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags,

			   u16 *major_ver, u16 *minor_ver);

/**

 * enum dpseci_congestion_unit - DPSECI congestion units

 * @DPSECI_CONGESTION_UNIT_BYTES: bytes units

 * @DPSECI_CONGESTION_UNIT_FRAMES: frames units

 */

enum dpseci_congestion_unit {

	DPSECI_CONGESTION_UNIT_BYTES = 0,

	DPSECI_CONGESTION_UNIT_FRAMES

};

/**

 * CSCN message is written to message_iova once entering a

 * congestion state (see 'threshold_entry')

 */

#define DPSECI_CGN_MODE_WRITE_MEM_ON_ENTER		0x00000001

/**

 * CSCN message is written to message_iova once exiting a

 * congestion state (see 'threshold_exit')

 */

#define DPSECI_CGN_MODE_WRITE_MEM_ON_EXIT		0x00000002

/**

 * CSCN write will attempt to allocate into a cache (coherent write);

 * valid only if 'DPSECI_CGN_MODE_WRITE_MEM_<X>' is selected

 */

#define DPSECI_CGN_MODE_COHERENT_WRITE			0x00000004

/**

 * if 'dpseci_dest_cfg.dest_type != DPSECI_DEST_NONE' CSCN message is sent to

 * DPIO/DPCON's WQ channel once entering a congestion state

 * (see 'threshold_entry')

 */

#define DPSECI_CGN_MODE_NOTIFY_DEST_ON_ENTER		0x00000008

/**

 * if 'dpseci_dest_cfg.dest_type != DPSECI_DEST_NONE' CSCN message is sent to

 * DPIO/DPCON's WQ channel once exiting a congestion state

 * (see 'threshold_exit')

 */

#define DPSECI_CGN_MODE_NOTIFY_DEST_ON_EXIT		0x00000010

/**

 * if 'dpseci_dest_cfg.dest_type != DPSECI_DEST_NONE' when the CSCN is written

 * to the sw-portal's DQRR, the DQRI interrupt is asserted immediately

 * (if enabled)

 */

#define DPSECI_CGN_MODE_INTR_COALESCING_DISABLED	0x00000020

/**

 * struct dpseci_congestion_notification_cfg - congestion notification

 *	configuration

 * @units: units type

 * @threshold_entry: above this threshold we enter a congestion state.

 *	set it to '0' to disable it

 * @threshold_exit: below this threshold we exit the congestion state.

 * @message_ctx: The context that will be part of the CSCN message

 * @message_iova: I/O virtual address (must be in DMA-able memory),

 *	must be 16B aligned;

 * @dest_cfg: CSCN can be send to either DPIO or DPCON WQ channel

 * @notification_mode: Mask of available options; use 'DPSECI_CGN_MODE_<X>'

 *	values

 */

struct dpseci_congestion_notification_cfg {

	enum dpseci_congestion_unit units;

	u32 threshold_entry;

	u32 threshold_exit;

	u64 message_ctx;

	u64 message_iova;

	struct dpseci_dest_cfg dest_cfg;

	u16 notification_mode;

};

int dpseci_set_congestion_notification(struct fsl_mc_io *mc_io, u32 cmd_flags,

	u16 token, const struct dpseci_congestion_notification_cfg *cfg);

int dpseci_get_congestion_notification(struct fsl_mc_io *mc_io, u32 cmd_flags,

	u16 token, struct dpseci_congestion_notification_cfg *cfg);

#endif /* _DPSECI_H_ */