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bus/fslmc: support MC dpbp object

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DPBP object represent a hw based buffer pool instance
in the DPAA2 hardware.

Signed-off-by: Alex Marginean <alexandru.marginean@nxp.com>
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
This commit is contained in:
Hemant Agrawal 2017-04-11 19:07:12 +05:30 committed by Ferruh Yigit
parent 2c63db040e
commit 7ee4686401
5 changed files with 597 additions and 0 deletions
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1
drivers/bus/fslmc/Makefile
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@ -63,6 +63,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_FSLMC_BUS) += \
qbman/qbman_portal.c
SRCS-$(CONFIG_RTE_LIBRTE_FSLMC_BUS) += \
mc/dpbp.c \
mc/dpio.c \
mc/mc_sys.c

261
drivers/bus/fslmc/mc/dpbp.c Normal file
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@ -0,0 +1,261 @@
/*-
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* BSD LICENSE
*
* Copyright 2013-2016 Freescale Semiconductor Inc.
* Copyright (c) 2016 NXP.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the above-listed copyright holders nor the
* names of any contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* GPL LICENSE SUMMARY
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <fsl_mc_sys.h>
#include <fsl_mc_cmd.h>
#include <fsl_dpbp.h>
#include <fsl_dpbp_cmd.h>
int dpbp_open(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
int dpbp_id,
uint16_t *token)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_OPEN,
cmd_flags,
0);
DPBP_CMD_OPEN(cmd, dpbp_id);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*token = MC_CMD_HDR_READ_TOKEN(cmd.header);
return err;
}
int dpbp_close(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_CLOSE, cmd_flags,
token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
int dpbp_create(struct fsl_mc_io *mc_io,
uint16_t dprc_token,
uint32_t cmd_flags,
const struct dpbp_cfg *cfg,
uint32_t *obj_id)
{
struct mc_command cmd = { 0 };
int err;
(void)(cfg); /* unused */
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_CREATE,
cmd_flags,
dprc_token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
CMD_CREATE_RSP_GET_OBJ_ID_PARAM0(cmd, *obj_id);
return 0;
}
int dpbp_destroy(struct fsl_mc_io *mc_io,
uint16_t dprc_token,
uint32_t cmd_flags,
uint32_t object_id)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_DESTROY,
cmd_flags,
dprc_token);
/* set object id to destroy */
CMD_DESTROY_SET_OBJ_ID_PARAM0(cmd, object_id);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
int dpbp_enable(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_ENABLE, cmd_flags,
token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
int dpbp_disable(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_DISABLE,
cmd_flags,
token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
int dpbp_is_enabled(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
int *en)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_IS_ENABLED, cmd_flags,
token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
DPBP_RSP_IS_ENABLED(cmd, *en);
return 0;
}
int dpbp_reset(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_RESET,
cmd_flags,
token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
int dpbp_get_attributes(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
struct dpbp_attr *attr)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_ATTR,
cmd_flags,
token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
DPBP_RSP_GET_ATTRIBUTES(cmd, attr);
return 0;
}
int dpbp_get_api_version(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t *major_ver,
uint16_t *minor_ver)
{
struct mc_command cmd = { 0 };
int err;
cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_API_VERSION,
cmd_flags,
0);
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
DPBP_RSP_GET_API_VERSION(cmd, *major_ver, *minor_ver);
return 0;
}
int dpbp_get_num_free_bufs(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
uint32_t *num_free_bufs)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_FREE_BUFFERS_NUM,
cmd_flags,
token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
DPBP_RSP_GET_NUM_FREE_BUFS(cmd, *num_free_bufs);
return 0;
}

241
drivers/bus/fslmc/mc/fsl_dpbp.h Normal file
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@ -0,0 +1,241 @@
/*-
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* BSD LICENSE
*
* Copyright 2013-2016 Freescale Semiconductor Inc.
* Copyright (c) 2016 NXP.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the above-listed copyright holders nor the
* names of any contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* GPL LICENSE SUMMARY
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __FSL_DPBP_H
#define __FSL_DPBP_H
/* Data Path Buffer Pool API
* Contains initialization APIs and runtime control APIs for DPBP
*/
struct fsl_mc_io;
/**
* dpbp_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_'
* @dpbp_id: DPBP 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 in
* the DPL or by calling the dpbp_create function.
* 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 dpbp_open(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
int dpbp_id,
uint16_t *token);
/**
* dpbp_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 DPBP 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 dpbp_close(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token);
/**
* struct dpbp_cfg - Structure representing DPBP configuration
* @options: place holder
*/
struct dpbp_cfg {
uint32_t options;
};
/**
* dpbp_create() - Create the DPBP object.
* @mc_io: Pointer to MC portal's I/O object
* @dprc_token: Parent container token; '0' for default container
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @cfg: Configuration structure
* @obj_id: returned object id
*
* Create the DPBP object, allocate required resources and
* perform required initialization.
*
* The object can be created either by declaring it in the
* DPL file, or by calling this function.
*
* The function accepts an authentication token of a parent
* container that this object should be assigned to. The token
* can be '0' so the object will be assigned to the default container.
* The newly created object can be opened with the returned
* object id and using the container's associated tokens and MC portals.
*
* Return: '0' on Success; Error code otherwise.
*/
int dpbp_create(struct fsl_mc_io *mc_io,
uint16_t dprc_token,
uint32_t cmd_flags,
const struct dpbp_cfg *cfg,
uint32_t *obj_id);
/**
* dpbp_destroy() - Destroy the DPBP object and release all its resources.
* @dprc_token: Parent container token; '0' for default container
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @object_id: The object id; it must be a valid id within the container that
* created this object;
*
* Return: '0' on Success; error code otherwise.
*/
int dpbp_destroy(struct fsl_mc_io *mc_io,
uint16_t dprc_token,
uint32_t cmd_flags,
uint32_t object_id);
/**
* dpbp_enable() - Enable the DPBP.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPBP object
*
* Return: '0' on Success; Error code otherwise.
*/
int dpbp_enable(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token);
/**
* dpbp_disable() - Disable the DPBP.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPBP object
*
* Return: '0' on Success; Error code otherwise.
*/
int dpbp_disable(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token);
/**
* dpbp_is_enabled() - Check if the DPBP 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 DPBP object
* @en: Returns '1' if object is enabled; '0' otherwise
*
* Return: '0' on Success; Error code otherwise.
*/
int dpbp_is_enabled(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
int *en);
/**
* dpbp_reset() - Reset the DPBP, 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 DPBP object
*
* Return: '0' on Success; Error code otherwise.
*/
int dpbp_reset(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token);
/**
* struct dpbp_attr - Structure representing DPBP attributes
* @id: DPBP object ID
* @bpid: Hardware buffer pool ID; should be used as an argument in
* acquire/release operations on buffers
*/
struct dpbp_attr {
int id;
uint16_t bpid;
};
/**
* dpbp_get_attributes - Retrieve DPBP 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 DPBP object
* @attr: Returned object's attributes
*
* Return: '0' on Success; Error code otherwise.
*/
int dpbp_get_attributes(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
struct dpbp_attr *attr);
/**
* dpbp_get_api_version() - Get buffer pool 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 buffer pool API
* @minor_ver: Minor version of data path buffer pool API
*
* Return: '0' on Success; Error code otherwise.
*/
int dpbp_get_api_version(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t *major_ver,
uint16_t *minor_ver);
/**
* dpbp_get_num_free_bufs() - Get number of free buffers in the buffer pool
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPBP object
* @num_free_bufs: Number of free buffers
*
* Return: '0' on Success; Error code otherwise.
*/
int dpbp_get_num_free_bufs(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
uint32_t *num_free_bufs);
#endif /* __FSL_DPBP_H */

88
drivers/bus/fslmc/mc/fsl_dpbp_cmd.h Normal file
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@ -0,0 +1,88 @@
/*-
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* BSD LICENSE
*
* Copyright 2013-2016 Freescale Semiconductor Inc.
* Copyright (c) 2016 NXP.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the above-listed copyright holders nor the
* names of any contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* GPL LICENSE SUMMARY
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _FSL_DPBP_CMD_H
#define _FSL_DPBP_CMD_H
/* DPBP Version */
#define DPBP_VER_MAJOR 3
#define DPBP_VER_MINOR 2
/* Command IDs */
#define DPBP_CMDID_CLOSE 0x8001
#define DPBP_CMDID_OPEN 0x8041
#define DPBP_CMDID_CREATE 0x9041
#define DPBP_CMDID_DESTROY 0x9841
#define DPBP_CMDID_GET_API_VERSION 0xa041
#define DPBP_CMDID_ENABLE 0x0021
#define DPBP_CMDID_DISABLE 0x0031
#define DPBP_CMDID_GET_ATTR 0x0041
#define DPBP_CMDID_RESET 0x0051
#define DPBP_CMDID_IS_ENABLED 0x0061
#define DPBP_CMDID_GET_FREE_BUFFERS_NUM 0x1b21
/* cmd, param, offset, width, type, arg_name */
#define DPBP_CMD_OPEN(cmd, dpbp_id) \
MC_CMD_OP(cmd, 0, 0, 32, int, dpbp_id)
/* cmd, param, offset, width, type, arg_name */
#define DPBP_RSP_IS_ENABLED(cmd, en) \
MC_RSP_OP(cmd, 0, 0, 1, int, en)
/* cmd, param, offset, width, type, arg_name */
#define DPBP_RSP_GET_ATTRIBUTES(cmd, attr) \
do { \
MC_RSP_OP(cmd, 0, 16, 16, uint16_t, (attr)->bpid); \
MC_RSP_OP(cmd, 0, 32, 32, int, (attr)->id);\
} while (0)
/* cmd, param, offset, width, type, arg_name */
#define DPBP_RSP_GET_API_VERSION(cmd, major, minor) \
do { \
MC_RSP_OP(cmd, 0, 0, 16, uint16_t, major);\
MC_RSP_OP(cmd, 0, 16, 16, uint16_t, minor);\
} while (0)
/* cmd, param, offset, width, type, arg_name */
#define DPBP_RSP_GET_NUM_FREE_BUFS(cmd, num_free_bufs) \
MC_RSP_OP(cmd, 0, 0, 32, uint32_t, num_free_bufs)
#endif /* _FSL_DPBP_CMD_H */

6
drivers/bus/fslmc/rte_bus_fslmc_version.map
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@ -1,6 +1,12 @@
DPDK_17.05 {
global:
dpbp_disable;
dpbp_enable;
dpbp_get_attributes;
dpbp_get_num_free_bufs;
dpbp_open;
dpbp_reset;
dpio_close;
dpio_disable;
dpio_enable;