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

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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Horia Geantă 2018-09-12 11:59:31 +03:00 коммит произвёл Herbert Xu
Родитель aae733a3f4
Коммит f9cb74fd88
3 изменённых файлов: 908 добавлений и 0 удалений
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426
drivers/crypto/caam/dpseci.c Normal file
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// 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;
}

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drivers/crypto/caam/dpseci.h Normal file
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/* 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_ */

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drivers/crypto/caam/dpseci_cmd.h Normal file
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/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/*
* Copyright 2013-2016 Freescale Semiconductor Inc.
* Copyright 2017-2018 NXP
*/
#ifndef _DPSECI_CMD_H_
#define _DPSECI_CMD_H_
/* DPSECI Version */
#define DPSECI_VER_MAJOR 5
#define DPSECI_VER_MINOR 3
#define DPSECI_VER(maj, min) (((maj) << 16) | (min))
#define DPSECI_VERSION DPSECI_VER(DPSECI_VER_MAJOR, DPSECI_VER_MINOR)
/* Command versioning */
#define DPSECI_CMD_BASE_VERSION 1
#define DPSECI_CMD_BASE_VERSION_V2 2
#define DPSECI_CMD_ID_OFFSET 4
#define DPSECI_CMD_V1(id) (((id) << DPSECI_CMD_ID_OFFSET) | \
DPSECI_CMD_BASE_VERSION)
#define DPSECI_CMD_V2(id) (((id) << DPSECI_CMD_ID_OFFSET) | \
DPSECI_CMD_BASE_VERSION_V2)
/* Command IDs */
#define DPSECI_CMDID_CLOSE DPSECI_CMD_V1(0x800)
#define DPSECI_CMDID_OPEN DPSECI_CMD_V1(0x809)
#define DPSECI_CMDID_GET_API_VERSION DPSECI_CMD_V1(0xa09)
#define DPSECI_CMDID_ENABLE DPSECI_CMD_V1(0x002)
#define DPSECI_CMDID_DISABLE DPSECI_CMD_V1(0x003)
#define DPSECI_CMDID_GET_ATTR DPSECI_CMD_V1(0x004)
#define DPSECI_CMDID_IS_ENABLED DPSECI_CMD_V1(0x006)
#define DPSECI_CMDID_SET_RX_QUEUE DPSECI_CMD_V1(0x194)
#define DPSECI_CMDID_GET_RX_QUEUE DPSECI_CMD_V1(0x196)
#define DPSECI_CMDID_GET_TX_QUEUE DPSECI_CMD_V1(0x197)
#define DPSECI_CMDID_GET_SEC_ATTR DPSECI_CMD_V2(0x198)
#define DPSECI_CMDID_SET_CONGESTION_NOTIFICATION DPSECI_CMD_V1(0x170)
#define DPSECI_CMDID_GET_CONGESTION_NOTIFICATION DPSECI_CMD_V1(0x171)
/* 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;
};
#define DPSECI_ENABLE_SHIFT 0
#define DPSECI_ENABLE_SIZE 1
struct dpseci_rsp_is_enabled {
u8 is_enabled;
};
struct dpseci_rsp_get_attributes {
__le32 id;
__le32 pad0;
u8 num_tx_queues;
u8 num_rx_queues;
u8 pad1[6];
__le32 options;
};
#define DPSECI_DEST_TYPE_SHIFT 0
#define DPSECI_DEST_TYPE_SIZE 4
#define DPSECI_ORDER_PRESERVATION_SHIFT 0
#define DPSECI_ORDER_PRESERVATION_SIZE 1
struct dpseci_cmd_queue {
__le32 dest_id;
u8 priority;
u8 queue;
u8 dest_type;
u8 pad;
__le64 user_ctx;
union {
__le32 options;
__le32 fqid;
};
u8 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;
u8 ccha_acc_num;
u8 ptha_acc_num;
};
struct dpseci_rsp_get_api_version {
__le16 major;
__le16 minor;
};
#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_ */