// 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_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 fsl_mc_command cmd = { 0 };
cmd.header = mc_encode_cmd_header(DPSECI_CMDID_RESET,
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;
}
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