334 lines
10 KiB
C
334 lines
10 KiB
C
/* 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_ */
|