180 строки
6.1 KiB
C
180 строки
6.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/* Copyright 2019 NXP */
|
|
|
|
#ifndef __FSL_DPDMAI_H
|
|
#define __FSL_DPDMAI_H
|
|
|
|
/* DPDMAI Version */
|
|
#define DPDMAI_VER_MAJOR 2
|
|
#define DPDMAI_VER_MINOR 2
|
|
|
|
#define DPDMAI_CMD_BASE_VERSION 0
|
|
#define DPDMAI_CMD_ID_OFFSET 4
|
|
|
|
#define DPDMAI_CMDID_FORMAT(x) (((x) << DPDMAI_CMD_ID_OFFSET) | \
|
|
DPDMAI_CMD_BASE_VERSION)
|
|
|
|
/* Command IDs */
|
|
#define DPDMAI_CMDID_CLOSE DPDMAI_CMDID_FORMAT(0x800)
|
|
#define DPDMAI_CMDID_OPEN DPDMAI_CMDID_FORMAT(0x80E)
|
|
#define DPDMAI_CMDID_CREATE DPDMAI_CMDID_FORMAT(0x90E)
|
|
#define DPDMAI_CMDID_DESTROY DPDMAI_CMDID_FORMAT(0x900)
|
|
|
|
#define DPDMAI_CMDID_ENABLE DPDMAI_CMDID_FORMAT(0x002)
|
|
#define DPDMAI_CMDID_DISABLE DPDMAI_CMDID_FORMAT(0x003)
|
|
#define DPDMAI_CMDID_GET_ATTR DPDMAI_CMDID_FORMAT(0x004)
|
|
#define DPDMAI_CMDID_RESET DPDMAI_CMDID_FORMAT(0x005)
|
|
#define DPDMAI_CMDID_IS_ENABLED DPDMAI_CMDID_FORMAT(0x006)
|
|
|
|
#define DPDMAI_CMDID_SET_IRQ DPDMAI_CMDID_FORMAT(0x010)
|
|
#define DPDMAI_CMDID_GET_IRQ DPDMAI_CMDID_FORMAT(0x011)
|
|
#define DPDMAI_CMDID_SET_IRQ_ENABLE DPDMAI_CMDID_FORMAT(0x012)
|
|
#define DPDMAI_CMDID_GET_IRQ_ENABLE DPDMAI_CMDID_FORMAT(0x013)
|
|
#define DPDMAI_CMDID_SET_IRQ_MASK DPDMAI_CMDID_FORMAT(0x014)
|
|
#define DPDMAI_CMDID_GET_IRQ_MASK DPDMAI_CMDID_FORMAT(0x015)
|
|
#define DPDMAI_CMDID_GET_IRQ_STATUS DPDMAI_CMDID_FORMAT(0x016)
|
|
#define DPDMAI_CMDID_CLEAR_IRQ_STATUS DPDMAI_CMDID_FORMAT(0x017)
|
|
|
|
#define DPDMAI_CMDID_SET_RX_QUEUE DPDMAI_CMDID_FORMAT(0x1A0)
|
|
#define DPDMAI_CMDID_GET_RX_QUEUE DPDMAI_CMDID_FORMAT(0x1A1)
|
|
#define DPDMAI_CMDID_GET_TX_QUEUE DPDMAI_CMDID_FORMAT(0x1A2)
|
|
|
|
#define MC_CMD_HDR_TOKEN_O 32 /* Token field offset */
|
|
#define MC_CMD_HDR_TOKEN_S 16 /* Token field size */
|
|
|
|
#define MAKE_UMASK64(_width) \
|
|
((u64)((_width) < 64 ? ((u64)1 << (_width)) - 1 : (u64)-1))
|
|
|
|
/* Data Path DMA Interface API
|
|
* Contains initialization APIs and runtime control APIs for DPDMAI
|
|
*/
|
|
|
|
/**
|
|
* Maximum number of Tx/Rx priorities per DPDMAI object
|
|
*/
|
|
#define DPDMAI_PRIO_NUM 2
|
|
|
|
/* DPDMAI queue modification options */
|
|
|
|
/**
|
|
* Select to modify the user's context associated with the queue
|
|
*/
|
|
#define DPDMAI_QUEUE_OPT_USER_CTX 0x1
|
|
|
|
/**
|
|
* Select to modify the queue's destination
|
|
*/
|
|
#define DPDMAI_QUEUE_OPT_DEST 0x2
|
|
|
|
/**
|
|
* struct dpdmai_cfg - Structure representing DPDMAI configuration
|
|
* @priorities: Priorities for the DMA hardware processing; valid priorities are
|
|
* configured with values 1-8; the entry following last valid entry
|
|
* should be configured with 0
|
|
*/
|
|
struct dpdmai_cfg {
|
|
u8 priorities[DPDMAI_PRIO_NUM];
|
|
};
|
|
|
|
/**
|
|
* struct dpdmai_attr - Structure representing DPDMAI attributes
|
|
* @id: DPDMAI object ID
|
|
* @version: DPDMAI version
|
|
* @num_of_priorities: number of priorities
|
|
*/
|
|
struct dpdmai_attr {
|
|
int id;
|
|
/**
|
|
* struct version - DPDMAI version
|
|
* @major: DPDMAI major version
|
|
* @minor: DPDMAI minor version
|
|
*/
|
|
struct {
|
|
u16 major;
|
|
u16 minor;
|
|
} version;
|
|
u8 num_of_priorities;
|
|
};
|
|
|
|
/**
|
|
* enum dpdmai_dest - DPDMAI destination types
|
|
* @DPDMAI_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
|
|
* @DPDMAI_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
|
|
* @DPDMAI_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 dpdmai_dest {
|
|
DPDMAI_DEST_NONE = 0,
|
|
DPDMAI_DEST_DPIO = 1,
|
|
DPDMAI_DEST_DPCON = 2
|
|
};
|
|
|
|
/**
|
|
* struct dpdmai_dest_cfg - Structure representing DPDMAI 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 'DPDMAI_DEST_NONE' option
|
|
*/
|
|
struct dpdmai_dest_cfg {
|
|
enum dpdmai_dest dest_type;
|
|
int dest_id;
|
|
u8 priority;
|
|
};
|
|
|
|
/**
|
|
* struct dpdmai_rx_queue_cfg - DPDMAI RX queue configuration
|
|
* @options: Flags representing the suggested modifications to the queue;
|
|
* Use any combination of 'DPDMAI_QUEUE_OPT_<X>' flags
|
|
* @user_ctx: User context value provided in the frame descriptor of each
|
|
* dequeued frame;
|
|
* valid only if 'DPDMAI_QUEUE_OPT_USER_CTX' is contained in 'options'
|
|
* @dest_cfg: Queue destination parameters;
|
|
* valid only if 'DPDMAI_QUEUE_OPT_DEST' is contained in 'options'
|
|
*/
|
|
struct dpdmai_rx_queue_cfg {
|
|
struct dpdmai_dest_cfg dest_cfg;
|
|
u32 options;
|
|
u64 user_ctx;
|
|
|
|
};
|
|
|
|
/**
|
|
* struct dpdmai_rx_queue_attr - Structure representing attributes of Rx queues
|
|
* @user_ctx: User context value provided in the frame descriptor of each
|
|
* dequeued frame
|
|
* @dest_cfg: Queue destination configuration
|
|
* @fqid: Virtual FQID value to be used for dequeue operations
|
|
*/
|
|
struct dpdmai_rx_queue_attr {
|
|
struct dpdmai_dest_cfg dest_cfg;
|
|
u64 user_ctx;
|
|
u32 fqid;
|
|
};
|
|
|
|
int dpdmai_open(struct fsl_mc_io *mc_io, u32 cmd_flags,
|
|
int dpdmai_id, u16 *token);
|
|
int dpdmai_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
|
|
int dpdmai_destroy(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
|
|
int dpdmai_create(struct fsl_mc_io *mc_io, u32 cmd_flags,
|
|
const struct dpdmai_cfg *cfg, u16 *token);
|
|
int dpdmai_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
|
|
int dpdmai_disable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
|
|
int dpdmai_reset(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
|
|
int dpdmai_get_attributes(struct fsl_mc_io *mc_io, u32 cmd_flags,
|
|
u16 token, struct dpdmai_attr *attr);
|
|
int dpdmai_set_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
|
|
u8 priority, const struct dpdmai_rx_queue_cfg *cfg);
|
|
int dpdmai_get_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
|
|
u8 priority, struct dpdmai_rx_queue_attr *attr);
|
|
int dpdmai_get_tx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags,
|
|
u16 token, u8 priority, u32 *fqid);
|
|
|
|
#endif /* __FSL_DPDMAI_H */
|