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1f1c25c745
Update flibs changes to mc-0.6.0.1 for dpmang, dprc, dpni and dpio objects Also rename qbman_portal_ce/ci_paddr to qbman_portal_ce/ci_offset in dpio_attr. These are now offsets from the SoC QBMan portals base. Signed-off-by: J. German Rivera <German.Rivera@freescale.com> Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
154 lines
4.6 KiB
C
154 lines
4.6 KiB
C
/*
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* Copyright (C) 2013-2015 Freescale Semiconductor
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _FSL_DPIO_H
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#define _FSL_DPIO_H
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/* DPIO Version */
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#define DPIO_VER_MAJOR 3
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#define DPIO_VER_MINOR 0
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/* Command IDs */
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#define DPIO_CMDID_CLOSE 0x800
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#define DPIO_CMDID_OPEN 0x803
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#define DPIO_CMDID_ENABLE 0x002
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#define DPIO_CMDID_DISABLE 0x003
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#define DPIO_CMDID_GET_ATTR 0x004
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#define DPIO_CMDID_RESET 0x005
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/* cmd, param, offset, width, type, arg_name */
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#define DPIO_CMD_OPEN(cmd, dpio_id) \
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MC_CMD_OP(cmd, 0, 0, 32, int, dpio_id)
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/* cmd, param, offset, width, type, arg_name */
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#define DPIO_RSP_GET_ATTR(cmd, attr) \
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do { \
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MC_RSP_OP(cmd, 0, 0, 32, int, attr->id);\
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MC_RSP_OP(cmd, 0, 32, 16, uint16_t, attr->qbman_portal_id);\
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MC_RSP_OP(cmd, 0, 48, 8, uint8_t, attr->num_priorities);\
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MC_RSP_OP(cmd, 0, 56, 4, enum dpio_channel_mode, attr->channel_mode);\
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MC_RSP_OP(cmd, 1, 0, 64, uint64_t, attr->qbman_portal_ce_offset);\
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MC_RSP_OP(cmd, 2, 0, 64, uint64_t, attr->qbman_portal_ci_offset);\
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MC_RSP_OP(cmd, 3, 0, 16, uint16_t, attr->version.major);\
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MC_RSP_OP(cmd, 3, 16, 16, uint16_t, attr->version.minor);\
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} while (0)
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/* Data Path I/O Portal API
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* Contains initialization APIs and runtime control APIs for DPIO
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*/
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struct fsl_mc_io;
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/**
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* dpio_open() - Open a control session for the specified object
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* @mc_io: Pointer to MC portal's I/O object
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* @dpio_id: DPIO unique ID
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* @token: Returned token; use in subsequent API calls
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*
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* This function can be used to open a control session for an
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* already created object; an object may have been declared in
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* the DPL or by calling the dpio_create() function.
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* This function returns a unique authentication token,
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* associated with the specific object ID and the specific MC
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* portal; this token must be used in all subsequent commands for
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* this specific object.
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpio_open(struct fsl_mc_io *mc_io, int dpio_id, uint16_t *token);
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/**
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* dpio_close() - Close the control session of the object
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* @mc_io: Pointer to MC portal's I/O object
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* @token: Token of DPIO object
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpio_close(struct fsl_mc_io *mc_io, uint16_t token);
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/**
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* enum dpio_channel_mode - DPIO notification channel mode
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* @DPIO_NO_CHANNEL: No support for notification channel
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* @DPIO_LOCAL_CHANNEL: Notifications on data availability can be received by a
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* dedicated channel in the DPIO; user should point the queue's
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* destination in the relevant interface to this DPIO
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*/
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enum dpio_channel_mode {
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DPIO_NO_CHANNEL = 0,
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DPIO_LOCAL_CHANNEL = 1,
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};
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/**
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* dpio_enable() - Enable the DPIO, allow I/O portal operations.
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* @mc_io: Pointer to MC portal's I/O object
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* @token: Token of DPIO object
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*
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* Return: '0' on Success; Error code otherwise
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*/
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int dpio_enable(struct fsl_mc_io *mc_io, uint16_t token);
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/**
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* dpio_disable() - Disable the DPIO, stop any I/O portal operation.
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* @mc_io: Pointer to MC portal's I/O object
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* @token: Token of DPIO object
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*
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* Return: '0' on Success; Error code otherwise
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*/
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int dpio_disable(struct fsl_mc_io *mc_io, uint16_t token);
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/**
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* dpio_reset() - Reset the DPIO, returns the object to initial state.
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* @mc_io: Pointer to MC portal's I/O object
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* @token: Token of DPIO object
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpio_reset(struct fsl_mc_io *mc_io, uint16_t token);
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/**
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* struct dpio_attr - Structure representing DPIO attributes
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* @id: DPIO object ID
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* @version: DPIO version
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* @qbman_portal_ce_offset: offset of the software portal cache-enabled area
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* @qbman_portal_ci_offset: offset of the software portal cache-inhibited area
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* @qbman_portal_id: Software portal ID
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* @channel_mode: Notification channel mode
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* @num_priorities: Number of priorities for the notification channel (1-8);
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* relevant only if 'channel_mode = DPIO_LOCAL_CHANNEL'
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*/
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struct dpio_attr {
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int id;
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/**
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* struct version - DPIO version
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* @major: DPIO major version
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* @minor: DPIO minor version
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*/
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struct {
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uint16_t major;
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uint16_t minor;
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} version;
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uint64_t qbman_portal_ce_offset;
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uint64_t qbman_portal_ci_offset;
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uint16_t qbman_portal_id;
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enum dpio_channel_mode channel_mode;
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uint8_t num_priorities;
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};
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/**
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* dpio_get_attributes() - Retrieve DPIO attributes
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* @mc_io: Pointer to MC portal's I/O object
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* @token: Token of DPIO object
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* @attr: Returned object's attributes
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*
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* Return: '0' on Success; Error code otherwise
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*/
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int dpio_get_attributes(struct fsl_mc_io *mc_io,
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uint16_t token,
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struct dpio_attr *attr);
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#endif /* _FSL_DPIO_H */
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