[RFC,06/10] crypto: caam - add DPAA2-CAAM (DPSECI) backend API

Submitted by Horia Geantă on Aug. 10, 2017, 5:42 p.m.

Details

Message ID 20170810174253.20951-7-horia.geanta@nxp.com
State New
Headers show

Commit Message

Horia Geantă Aug. 10, 2017, 5:42 p.m.
Add the low-level API that allows to manage DPSECI DPAA2 objects
that sit on the Management Complex (MC) fsl-mc bus.

The API is compatible with MC firmware 10.2.0+.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
---
 drivers/crypto/caam/dpseci.c     | 858 +++++++++++++++++++++++++++++++++++++++
 drivers/crypto/caam/dpseci.h     | 395 ++++++++++++++++++
 drivers/crypto/caam/dpseci_cmd.h | 261 ++++++++++++
 3 files changed, 1514 insertions(+)
 create mode 100644 drivers/crypto/caam/dpseci.c
 create mode 100644 drivers/crypto/caam/dpseci.h
 create mode 100644 drivers/crypto/caam/dpseci_cmd.h

Patch hide | download patch | download mbox

diff --git a/drivers/crypto/caam/dpseci.c b/drivers/crypto/caam/dpseci.c
new file mode 100644
index 000000000000..dec05ecbeab1
--- /dev/null
+++ b/drivers/crypto/caam/dpseci.c
@@ -0,0 +1,858 @@ 
+/*
+ * Copyright 2013-2016 Freescale Semiconductor Inc.
+ * Copyright 2017 NXP
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *	 notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *	 notice, this list of conditions and the following disclaimer in the
+ *	 documentation and/or other materials provided with the distribution.
+ *     * Neither the names of the above-listed copyright holders nor the
+ *	 names of any contributors may be used to endorse or promote products
+ *	 derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "../../../drivers/staging/fsl-mc/include/mc.h"
+#include "../../../drivers/staging/fsl-mc/include/dpopr.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 in the DPL or by calling the
+ * dpseci_create() function.
+ * This function returns a unique authentication token, associated with the
+ * specific object ID and the specific MC portal; this token must be used in all
+ * subsequent commands for this specific object.
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int dpseci_id,
+		u16 *token)
+{
+	struct 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 mc_command cmd = { 0 };
+
+	cmd.header = mc_encode_cmd_header(DPSECI_CMDID_CLOSE,
+					  cmd_flags,
+					  token);
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpseci_create() - Create the DPSECI object
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @dprc_token:	Parent container token; '0' for default container
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @cfg:	Configuration structure
+ * @obj_id:	returned object id
+ *
+ * Create the DPSECI object, allocate required resources and perform required
+ * initialization.
+ *
+ * The object can be created either by declaring it in the DPL file, or by
+ * calling this function.
+ *
+ * The function accepts an authentication token of a parent container that this
+ * object should be assigned to. The token can be '0' so the object will be
+ * assigned to the default container.
+ * The newly created object can be opened with the returned object id and using
+ * the container's associated tokens and MC portals.
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_create(struct fsl_mc_io *mc_io, u16 dprc_token, u32 cmd_flags,
+		  const struct dpseci_cfg *cfg, u32 *obj_id)
+{
+	struct mc_command cmd = { 0 };
+	struct dpseci_cmd_create *cmd_params;
+	int i, err;
+
+	cmd.header = mc_encode_cmd_header(DPSECI_CMDID_CREATE,
+					  cmd_flags,
+					  dprc_token);
+	cmd_params = (struct dpseci_cmd_create *)cmd.params;
+	for (i = 0; i < 8; i++)
+		cmd_params->priorities[i] = cfg->priorities[i];
+	cmd_params->num_tx_queues = cfg->num_tx_queues;
+	cmd_params->num_rx_queues = cfg->num_rx_queues;
+	cmd_params->options = cpu_to_le32(cfg->options);
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	*obj_id = mc_cmd_read_object_id(&cmd);
+
+	return 0;
+}
+
+/**
+ * dpseci_destroy() - Destroy the DPSECI object and release all its resources
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @dprc_token: Parent container token; '0' for default container
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @object_id:	The object id; it must be a valid id within the container that
+ *		created this object
+ *
+ * The function accepts the authentication token of the parent container that
+ * created the object (not the one that currently owns the object). The object
+ * is searched within parent using the provided 'object_id'.
+ * All tokens to the object must be closed before calling destroy.
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_destroy(struct fsl_mc_io *mc_io, u16 dprc_token, u32 cmd_flags,
+		   u32 object_id)
+{
+	struct mc_command cmd = { 0 };
+	struct dpseci_cmd_destroy *cmd_params;
+
+	cmd.header = mc_encode_cmd_header(DPSECI_CMDID_DESTROY,
+					  cmd_flags,
+					  dprc_token);
+	cmd_params = (struct dpseci_cmd_destroy *)cmd.params;
+	cmd_params->object_id = cpu_to_le32(object_id);
+
+	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 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 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 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 = le32_to_cpu(rsp_params->is_enabled);
+
+	return 0;
+}
+
+/**
+ * dpseci_reset() - Reset the DPSECI, returns the object to initial state.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPSECI object
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_reset(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token)
+{
+	struct mc_command cmd = { 0 };
+
+	cmd.header = mc_encode_cmd_header(DPSECI_CMDID_RESET,
+					  cmd_flags,
+					  token);
+
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpseci_get_irq_enable() - Get overall interrupt state
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPSECI object
+ * @irq_index:	The interrupt index to configure
+ * @en:		Returned Interrupt state - enable = 1, disable = 0
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_get_irq_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			  u8 irq_index, u8 *en)
+{
+	struct mc_command cmd = { 0 };
+	struct dpseci_cmd_irq_enable *cmd_params;
+	struct dpseci_rsp_get_irq_enable *rsp_params;
+	int err;
+
+	cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_IRQ_ENABLE,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpseci_cmd_irq_enable *)cmd.params;
+	cmd_params->irq_index = irq_index;
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	rsp_params = (struct dpseci_rsp_get_irq_enable *)cmd.params;
+	*en = rsp_params->enable_state;
+
+	return 0;
+}
+
+/**
+ * dpseci_set_irq_enable() - Set overall interrupt state.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPSECI object
+ * @irq_index:	The interrupt index to configure
+ * @en:		Interrupt state - enable = 1, disable = 0
+ *
+ * Allows GPP software to control when interrupts are generated.
+ * Each interrupt can have up to 32 causes. The enable/disable control's the
+ * overall interrupt state. If the interrupt is disabled no causes will cause
+ * an interrupt.
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_set_irq_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			  u8 irq_index, u8 en)
+{
+	struct mc_command cmd = { 0 };
+	struct dpseci_cmd_irq_enable *cmd_params;
+
+	cmd.header = mc_encode_cmd_header(DPSECI_CMDID_SET_IRQ_ENABLE,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpseci_cmd_irq_enable *)cmd.params;
+	cmd_params->irq_index = irq_index;
+	cmd_params->enable_state = en;
+
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpseci_get_irq_mask() - Get interrupt mask.
+ * @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
+ * @irq_index:	The interrupt index to configure
+ * @mask:	Returned event mask to trigger interrupt
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently.
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_get_irq_mask(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			u8 irq_index, u32 *mask)
+{
+	struct mc_command cmd = { 0 };
+	struct dpseci_cmd_irq_mask *cmd_params;
+	int err;
+
+	cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_IRQ_MASK,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpseci_cmd_irq_mask *)cmd.params;
+	cmd_params->irq_index = irq_index;
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	*mask = le32_to_cpu(cmd_params->mask);
+
+	return 0;
+}
+
+/**
+ * dpseci_set_irq_mask() - Set interrupt mask.
+ * @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
+ * @irq_index:	The interrupt index to configure
+ * @mask:	event mask to trigger interrupt;
+ *		each bit:
+ *			0 = ignore event
+ *			1 = consider event for asserting IRQ
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_set_irq_mask(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			u8 irq_index, u32 mask)
+{
+	struct mc_command cmd = { 0 };
+	struct dpseci_cmd_irq_mask *cmd_params;
+
+	cmd.header = mc_encode_cmd_header(DPSECI_CMDID_SET_IRQ_MASK,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpseci_cmd_irq_mask *)cmd.params;
+	cmd_params->mask = cpu_to_le32(mask);
+	cmd_params->irq_index = irq_index;
+
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpseci_get_irq_status() - Get the current status of any pending interrupts
+ * @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
+ * @irq_index:	The interrupt index to configure
+ * @status:	Returned interrupts status - one bit per cause:
+ *			0 = no interrupt pending
+ *			1 = interrupt pending
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_get_irq_status(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			  u8 irq_index, u32 *status)
+{
+	struct mc_command cmd = { 0 };
+	struct dpseci_cmd_irq_status *cmd_params;
+	int err;
+
+	cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_IRQ_STATUS,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpseci_cmd_irq_status *)cmd.params;
+	cmd_params->status = cpu_to_le32(*status);
+	cmd_params->irq_index = irq_index;
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	*status = le32_to_cpu(cmd_params->status);
+
+	return 0;
+}
+
+/**
+ * dpseci_clear_irq_status() - Clear a pending interrupt's status
+ * @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
+ * @irq_index:	The interrupt index to configure
+ * @status:	bits to clear (W1C) - one bit per cause:
+ *			0 = don't change
+ *			1 = clear status bit
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_clear_irq_status(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			    u8 irq_index, u32 status)
+{
+	struct mc_command cmd = { 0 };
+	struct dpseci_cmd_irq_status *cmd_params;
+
+	cmd.header = mc_encode_cmd_header(DPSECI_CMDID_CLEAR_IRQ_STATUS,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpseci_cmd_irq_status *)cmd.params;
+	cmd_params->status = cpu_to_le32(status);
+	cmd_params->irq_index = irq_index;
+
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpseci_get_attributes() - Retrieve DPSECI attributes
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPSECI object
+ * @attr:	Returned object's attributes
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_get_attributes(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			  struct dpseci_attr *attr)
+{
+	struct 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 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;
+	cmd_params->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);
+	cmd_params->order_preservation_en =
+		cpu_to_le32(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 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 = cmd_params->dest_type;
+	attr->user_ctx = le64_to_cpu(cmd_params->user_ctx);
+	attr->fqid = le32_to_cpu(cmd_params->fqid);
+	attr->order_preservation_en =
+		le32_to_cpu(cmd_params->order_preservation_en);
+
+	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 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 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;
+
+	return 0;
+}
+
+/**
+ * dpseci_get_sec_counters() - Retrieve SEC accelerator counters
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPSECI object
+ * @counters:	Returned SEC counters
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_get_sec_counters(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			    struct dpseci_sec_counters *counters)
+{
+	struct mc_command cmd = { 0 };
+	struct dpseci_rsp_get_sec_counters *rsp_params;
+	int err;
+
+	cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_SEC_COUNTERS,
+					  cmd_flags,
+					  token);
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	rsp_params = (struct dpseci_rsp_get_sec_counters *)cmd.params;
+	counters->dequeued_requests =
+		le64_to_cpu(rsp_params->dequeued_requests);
+	counters->ob_enc_requests = le64_to_cpu(rsp_params->ob_enc_requests);
+	counters->ib_dec_requests = le64_to_cpu(rsp_params->ib_dec_requests);
+	counters->ob_enc_bytes = le64_to_cpu(rsp_params->ob_enc_bytes);
+	counters->ob_prot_bytes = le64_to_cpu(rsp_params->ob_prot_bytes);
+	counters->ib_dec_bytes = le64_to_cpu(rsp_params->ib_dec_bytes);
+	counters->ib_valid_bytes = le64_to_cpu(rsp_params->ib_valid_bytes);
+
+	return 0;
+}
+
+/**
+ * dpseci_get_api_version() - Get Data Path SEC Interface API version
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @major_ver:	Major version of data path sec API
+ * @minor_ver:	Minor version of data path sec API
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags,
+			   u16 *major_ver, u16 *minor_ver)
+{
+	struct 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_opr() - Set Order Restoration 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
+ * @index:	The queue index
+ * @options:	Configuration mode options; can be OPR_OPT_CREATE or
+ *		OPR_OPT_RETIRE
+ * @cfg:	Configuration options for the OPR
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_set_opr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 index,
+		   u8 options, struct opr_cfg *cfg)
+{
+	struct mc_command cmd = { 0 };
+	struct dpseci_cmd_opr *cmd_params;
+
+	cmd.header = mc_encode_cmd_header(
+			DPSECI_CMDID_SET_OPR,
+			cmd_flags,
+			token);
+	cmd_params = (struct dpseci_cmd_opr *)cmd.params;
+	cmd_params->index = index;
+	cmd_params->options = options;
+	cmd_params->oloe = cfg->oloe;
+	cmd_params->oeane = cfg->oeane;
+	cmd_params->olws = cfg->olws;
+	cmd_params->oa = cfg->oa;
+	cmd_params->oprrws = cfg->oprrws;
+
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpseci_get_opr() - Retrieve Order Restoration config and query
+ * @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
+ * @index:	The queue index
+ * @cfg:	Returned OPR configuration
+ * @qry:	Returned OPR query
+ *
+ * Return:	'0' on success, error code otherwise
+ */
+int dpseci_get_opr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 index,
+		   struct opr_cfg *cfg, struct opr_qry *qry)
+{
+	struct mc_command cmd = { 0 };
+	struct dpseci_cmd_opr *cmd_params;
+	struct dpseci_rsp_get_opr *rsp_params;
+	int err;
+
+	cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_OPR,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpseci_cmd_opr *)cmd.params;
+	cmd_params->index = index;
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	rsp_params = (struct dpseci_rsp_get_opr *)cmd.params;
+	qry->rip = dpseci_get_field(rsp_params->rip_enable, OPR_RIP);
+	qry->enable = dpseci_get_field(rsp_params->rip_enable, OPR_ENABLE);
+	cfg->oloe = rsp_params->oloe;
+	cfg->oeane = rsp_params->oeane;
+	cfg->olws = rsp_params->olws;
+	cfg->oa = rsp_params->oa;
+	cfg->oprrws = rsp_params->oprrws;
+	qry->nesn = le16_to_cpu(rsp_params->nesn);
+	qry->ndsn = le16_to_cpu(rsp_params->ndsn);
+	qry->ea_tseq = le16_to_cpu(rsp_params->ea_tseq);
+	qry->tseq_nlis = dpseci_get_field(rsp_params->tseq_nlis, OPR_TSEQ_NLIS);
+	qry->ea_hseq = le16_to_cpu(rsp_params->ea_hseq);
+	qry->hseq_nlis = dpseci_get_field(rsp_params->tseq_nlis, OPR_HSEQ_NLIS);
+	qry->ea_hptr = le16_to_cpu(rsp_params->ea_hptr);
+	qry->ea_tptr = le16_to_cpu(rsp_params->ea_tptr);
+	qry->opr_vid = le16_to_cpu(rsp_params->opr_vid);
+	qry->opr_id = le16_to_cpu(rsp_params->opr_id);
+
+	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 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 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;
+}
diff --git a/drivers/crypto/caam/dpseci.h b/drivers/crypto/caam/dpseci.h
new file mode 100644
index 000000000000..d37489c6842c
--- /dev/null
+++ b/drivers/crypto/caam/dpseci.h
@@ -0,0 +1,395 @@ 
+/*
+ * Copyright 2013-2016 Freescale Semiconductor Inc.
+ * Copyright 2017 NXP
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *	 notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *	 notice, this list of conditions and the following disclaimer in the
+ *	 documentation and/or other materials provided with the distribution.
+ *     * Neither the names of the above-listed copyright holders nor the
+ *	 names of any contributors may be used to endorse or promote products
+ *	 derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef _DPSECI_H_
+#define _DPSECI_H_
+
+/*
+ * Data Path SEC Interface API
+ * Contains initialization APIs and runtime control APIs for DPSECI
+ */
+
+struct fsl_mc_io;
+struct opr_cfg;
+struct opr_qry;
+
+/**
+ * General DPSECI macros
+ */
+
+/**
+ * Maximum number of Tx/Rx priorities per DPSECI object
+ */
+#define DPSECI_PRIO_NUM		8
+
+/**
+ * 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
+
+/**
+ * Enable the Order Restoration support
+ */
+#define DPSECI_OPT_HAS_OPR		0x000040
+
+/**
+ * Order Point Records are shared for the entire DPSECI
+ */
+#define DPSECI_OPT_OPR_SHARED		0x000080
+
+/**
+ * struct dpseci_cfg - Structure representing DPSECI configuration
+ * @options: Any combination of the following options:
+ *		DPSECI_OPT_HAS_CG
+ *		DPSECI_OPT_HAS_OPR
+ *		DPSECI_OPT_OPR_SHARED
+ * @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_PRIO_NUM];
+};
+
+int dpseci_create(struct fsl_mc_io *mc_io, u16 dprc_token, u32 cmd_flags,
+		  const struct dpseci_cfg *cfg, u32 *obj_id);
+
+int dpseci_destroy(struct fsl_mc_io *mc_io, u16 dprc_token, u32 cmd_flags,
+		   u32 object_id);
+
+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);
+
+int dpseci_reset(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
+
+int dpseci_get_irq_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			  u8 irq_index, u8 *en);
+
+int dpseci_set_irq_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			  u8 irq_index, u8 en);
+
+int dpseci_get_irq_mask(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			u8 irq_index, u32 *mask);
+
+int dpseci_set_irq_mask(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			u8 irq_index, u32 mask);
+
+int dpseci_get_irq_status(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			  u8 irq_index, u32 *status);
+
+int dpseci_clear_irq_status(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			    u8 irq_index, u32 status);
+
+/**
+ * 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 options:
+ *		DPSECI_OPT_HAS_CG
+ *		DPSECI_OPT_HAS_OPR
+ *		DPSECI_OPT_OPR_SHARED
+ */
+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
+ **/
+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;
+};
+
+int dpseci_get_sec_attr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			struct dpseci_sec_attr *attr);
+
+/**
+ * struct dpseci_sec_counters - Structure representing global SEC counters and
+ *				not per dpseci counters
+ * @dequeued_requests:	Number of Requests Dequeued
+ * @ob_enc_requests:	Number of Outbound Encrypt Requests
+ * @ib_dec_requests:	Number of Inbound Decrypt Requests
+ * @ob_enc_bytes:	Number of Outbound Bytes Encrypted
+ * @ob_prot_bytes:	Number of Outbound Bytes Protected
+ * @ib_dec_bytes:	Number of Inbound Bytes Decrypted
+ * @ib_valid_bytes:	Number of Inbound Bytes Validated
+ */
+struct dpseci_sec_counters {
+	u64 dequeued_requests;
+	u64 ob_enc_requests;
+	u64 ib_dec_requests;
+	u64 ob_enc_bytes;
+	u64 ob_prot_bytes;
+	u64 ib_dec_bytes;
+	u64 ib_valid_bytes;
+};
+
+int dpseci_get_sec_counters(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			    struct dpseci_sec_counters *counters);
+
+int dpseci_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags,
+			   u16 *major_ver, u16 *minor_ver);
+
+int dpseci_set_opr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 index,
+		   u8 options, struct opr_cfg *cfg);
+
+int dpseci_get_opr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 index,
+		   struct opr_cfg *cfg, struct opr_qry *qry);
+
+/**
+ * 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
+};
+
+#define DPSECI_CGN_MODE_WRITE_MEM_ON_ENTER		0x00000001
+#define DPSECI_CGN_MODE_WRITE_MEM_ON_EXIT		0x00000002
+#define DPSECI_CGN_MODE_COHERENT_WRITE			0x00000004
+#define DPSECI_CGN_MODE_NOTIFY_DEST_ON_ENTER		0x00000008
+#define DPSECI_CGN_MODE_NOTIFY_DEST_ON_EXIT		0x00000010
+#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_ */
diff --git a/drivers/crypto/caam/dpseci_cmd.h b/drivers/crypto/caam/dpseci_cmd.h
new file mode 100644
index 000000000000..7624315e986f
--- /dev/null
+++ b/drivers/crypto/caam/dpseci_cmd.h
@@ -0,0 +1,261 @@ 
+/*
+ * Copyright 2013-2016 Freescale Semiconductor Inc.
+ * Copyright 2017 NXP
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *	 notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *	 notice, this list of conditions and the following disclaimer in the
+ *	 documentation and/or other materials provided with the distribution.
+ *     * Neither the names of the above-listed copyright holders nor the
+ *	 names of any contributors may be used to endorse or promote products
+ *	 derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _DPSECI_CMD_H_
+#define _DPSECI_CMD_H_
+
+/* DPSECI Version */
+#define DPSECI_VER_MAJOR				5
+#define DPSECI_VER_MINOR				1
+
+#define DPSECI_VER(maj, min)	(((maj) << 16) | (min))
+#define DPSECI_VERSION		DPSECI_VER(DPSECI_VER_MAJOR, DPSECI_VER_MINOR)
+
+/* Command IDs */
+
+#define DPSECI_CMDID_CLOSE                              0x8001
+#define DPSECI_CMDID_OPEN                               0x8091
+#define DPSECI_CMDID_CREATE                             0x9092
+#define DPSECI_CMDID_DESTROY                            0x9891
+#define DPSECI_CMDID_GET_API_VERSION                    0xa091
+
+#define DPSECI_CMDID_ENABLE                             0x0021
+#define DPSECI_CMDID_DISABLE                            0x0031
+#define DPSECI_CMDID_GET_ATTR                           0x0041
+#define DPSECI_CMDID_RESET                              0x0051
+#define DPSECI_CMDID_IS_ENABLED                         0x0061
+
+#define DPSECI_CMDID_SET_IRQ_ENABLE                     0x0121
+#define DPSECI_CMDID_GET_IRQ_ENABLE                     0x0131
+#define DPSECI_CMDID_SET_IRQ_MASK                       0x0141
+#define DPSECI_CMDID_GET_IRQ_MASK                       0x0151
+#define DPSECI_CMDID_GET_IRQ_STATUS                     0x0161
+#define DPSECI_CMDID_CLEAR_IRQ_STATUS                   0x0171
+
+#define DPSECI_CMDID_SET_RX_QUEUE                       0x1941
+#define DPSECI_CMDID_GET_RX_QUEUE                       0x1961
+#define DPSECI_CMDID_GET_TX_QUEUE                       0x1971
+#define DPSECI_CMDID_GET_SEC_ATTR                       0x1981
+#define DPSECI_CMDID_GET_SEC_COUNTERS                   0x1991
+#define DPSECI_CMDID_SET_OPR				0x19A1
+#define DPSECI_CMDID_GET_OPR				0x19B1
+
+#define DPSECI_CMDID_SET_CONGESTION_NOTIFICATION	0x1701
+#define DPSECI_CMDID_GET_CONGESTION_NOTIFICATION	0x1711
+
+/* Macros for accessing command fields smaller than 1 byte */
+#define DPSECI_MASK(field)	\
+	GENMASK(DPSECI_##field##_SHIFT + DPSECI_##field##_SIZE - 1,	\
+		DPSECI_##field##_SHIFT)
+
+#define dpseci_set_field(var, field, val)	\
+	((var) |= (((val) << DPSECI_##field##_SHIFT) & DPSECI_MASK(field)))
+
+#define dpseci_get_field(var, field)	\
+	(((var) & DPSECI_MASK(field)) >> DPSECI_##field##_SHIFT)
+
+struct dpseci_cmd_open {
+	__le32 dpseci_id;
+};
+
+struct dpseci_cmd_create {
+	u8 priorities[8];
+	u8 num_tx_queues;
+	u8 num_rx_queues;
+	__le16 pad;
+	__le32 options;
+};
+
+struct dpseci_cmd_destroy {
+	__le32 object_id;
+};
+
+struct dpseci_rsp_is_enabled {
+	__le32 is_enabled;
+};
+
+struct dpseci_cmd_irq_enable {
+	u8 enable_state;
+	u8 pad[3];
+	u8 irq_index;
+};
+
+struct dpseci_rsp_get_irq_enable {
+	u8 enable_state;
+};
+
+struct dpseci_cmd_irq_mask {
+	__le32 mask;
+	u8 irq_index;
+};
+
+struct dpseci_cmd_irq_status {
+	__le32 status;
+	u8 irq_index;
+};
+
+struct dpseci_rsp_get_attributes {
+	__le32 id;
+	__le32 pad0;
+	u8 num_tx_queues;
+	u8 num_rx_queues;
+	u8 pad1[6];
+	__le32 options;
+};
+
+struct dpseci_cmd_queue {
+	__le32 dest_id;
+	u8 priority;
+	u8 queue;
+	u8 dest_type;
+	u8 pad;
+	__le64 user_ctx;
+	union {
+		__le32 options;
+		__le32 fqid;
+	};
+	__le32 order_preservation_en;
+};
+
+struct dpseci_rsp_get_tx_queue {
+	__le32 pad;
+	__le32 fqid;
+	u8 priority;
+};
+
+struct dpseci_rsp_get_sec_attr {
+	__le16 ip_id;
+	u8 major_rev;
+	u8 minor_rev;
+	u8 era;
+	u8 pad0[3];
+	u8 deco_num;
+	u8 zuc_auth_acc_num;
+	u8 zuc_enc_acc_num;
+	u8 pad1;
+	u8 snow_f8_acc_num;
+	u8 snow_f9_acc_num;
+	u8 crc_acc_num;
+	u8 pad2;
+	u8 pk_acc_num;
+	u8 kasumi_acc_num;
+	u8 rng_acc_num;
+	u8 pad3;
+	u8 md_acc_num;
+	u8 arc4_acc_num;
+	u8 des_acc_num;
+	u8 aes_acc_num;
+};
+
+struct dpseci_rsp_get_sec_counters {
+	__le64 dequeued_requests;
+	__le64 ob_enc_requests;
+	__le64 ib_dec_requests;
+	__le64 ob_enc_bytes;
+	__le64 ob_prot_bytes;
+	__le64 ib_dec_bytes;
+	__le64 ib_valid_bytes;
+};
+
+struct dpseci_rsp_get_api_version {
+	__le16 major;
+	__le16 minor;
+};
+
+struct dpseci_cmd_opr {
+	__le16 pad;
+	u8 index;
+	u8 options;
+	u8 pad1[7];
+	u8 oloe;
+	u8 oeane;
+	u8 olws;
+	u8 oa;
+	u8 oprrws;
+};
+
+#define DPSECI_OPR_RIP_SHIFT		0
+#define DPSECI_OPR_RIP_SIZE		1
+#define DPSECI_OPR_ENABLE_SHIFT		1
+#define DPSECI_OPR_ENABLE_SIZE		1
+#define DPSECI_OPR_TSEQ_NLIS_SHIFT	1
+#define DPSECI_OPR_TSEQ_NLIS_SIZE	1
+#define DPSECI_OPR_HSEQ_NLIS_SHIFT	1
+#define DPSECI_OPR_HSEQ_NLIS_SIZE	1
+
+struct dpseci_rsp_get_opr {
+	__le64 pad;
+	u8 rip_enable;
+	u8 pad0[2];
+	u8 oloe;
+	u8 oeane;
+	u8 olws;
+	u8 oa;
+	u8 oprrws;
+	__le16 nesn;
+	__le16 pad1;
+	__le16 ndsn;
+	__le16 pad2;
+	__le16 ea_tseq;
+	u8 tseq_nlis;
+	u8 pad3;
+	__le16 ea_hseq;
+	u8 hseq_nlis;
+	u8 pad4;
+	__le16 ea_hptr;
+	__le16 pad5;
+	__le16 ea_tptr;
+	__le16 pad6;
+	__le16 opr_vid;
+	__le16 pad7;
+	__le16 opr_id;
+};
+
+#define DPSECI_CGN_DEST_TYPE_SHIFT	0
+#define DPSECI_CGN_DEST_TYPE_SIZE	4
+#define DPSECI_CGN_UNITS_SHIFT		4
+#define DPSECI_CGN_UNITS_SIZE		2
+
+struct dpseci_cmd_congestion_notification {
+	__le32 dest_id;
+	__le16 notification_mode;
+	u8 priority;
+	u8 options;
+	__le64 message_iova;
+	__le64 message_ctx;
+	__le32 threshold_entry;
+	__le32 threshold_exit;
+};
+
+#endif /* _DPSECI_CMD_H_ */