X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=drivers%2Fbus%2Ffslmc%2Fmc%2Fdpio.c;h=a3382ed142da8fc93ec52858761a429659df9a57;hb=8d01b9cd70a67cdafd5b965a70420c3bd7fb3f82;hp=d84232a3b20022057df4221a51cd341deaec3b35;hpb=7595afa4d30097c1177b69257118d8ad89a539be;p=deb_dpdk.git diff --git a/drivers/bus/fslmc/mc/dpio.c b/drivers/bus/fslmc/mc/dpio.c index d84232a3..a3382ed1 100644 --- a/drivers/bus/fslmc/mc/dpio.c +++ b/drivers/bus/fslmc/mc/dpio.c @@ -1,52 +1,37 @@ -/*- - * 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 +/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0) * * 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 + * Copyright 2016-2017 NXP * - * 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 #include #include #include +/** + * dpio_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_' + * @dpio_id: DPIO 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 dpio_create() function. + * This function returns a unique authentication token, + * associated with the specific object ID and any MC portals + * assigned to the parent container; this token must be used in + * all subsequent commands for this specific object. + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_open(struct fsl_mc_io *mc_io, uint32_t cmd_flags, int dpio_id, uint16_t *token) { + struct dpio_cmd_open *cmd_params; struct mc_command cmd = { 0 }; int err; @@ -54,7 +39,8 @@ int dpio_open(struct fsl_mc_io *mc_io, cmd.header = mc_encode_cmd_header(DPIO_CMDID_OPEN, cmd_flags, 0); - DPIO_CMD_OPEN(cmd, dpio_id); + cmd_params = (struct dpio_cmd_open *)cmd.params; + cmd_params->dpio_id = cpu_to_le32(dpio_id); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); @@ -62,11 +48,19 @@ int dpio_open(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - *token = MC_CMD_HDR_READ_TOKEN(cmd.header); + *token = mc_cmd_hdr_read_token(&cmd); return 0; } +/** + * dpio_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 DPIO object + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_close(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token) @@ -82,12 +76,35 @@ int dpio_close(struct fsl_mc_io *mc_io, return mc_send_command(mc_io, &cmd); } -int dpio_create(struct fsl_mc_io *mc_io, - uint16_t dprc_token, - uint32_t cmd_flags, - const struct dpio_cfg *cfg, - uint32_t *obj_id) +/** + * dpio_create() - Create the DPIO 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 DPIO 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 dpio_create(struct fsl_mc_io *mc_io, + uint16_t dprc_token, + uint32_t cmd_flags, + const struct dpio_cfg *cfg, + uint32_t *obj_id) { + struct dpio_cmd_create *cmd_params; struct mc_command cmd = { 0 }; int err; @@ -95,7 +112,11 @@ int dpio_create(struct fsl_mc_io *mc_io, cmd.header = mc_encode_cmd_header(DPIO_CMDID_CREATE, cmd_flags, dprc_token); - DPIO_CMD_CREATE(cmd, cfg); + cmd_params = (struct dpio_cmd_create *)cmd.params; + cmd_params->num_priorities = cfg->num_priorities; + dpio_set_field(cmd_params->channel_mode, + CHANNEL_MODE, + cfg->channel_mode); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); @@ -103,28 +124,55 @@ int dpio_create(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - CMD_CREATE_RSP_GET_OBJ_ID_PARAM0(cmd, *obj_id); + *obj_id = mc_cmd_read_object_id(&cmd); return 0; } -int dpio_destroy(struct fsl_mc_io *mc_io, - uint16_t dprc_token, - uint32_t cmd_flags, - uint32_t object_id) +/** + * dpio_destroy() - Destroy the DPIO object and release all its resources. + * @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_' + * @object_id: The object id; it must be a valid id within the container that + * created this object; + * + * The function accepts the authentication token of the parent container that + * created the object (not the one that currently owns the object). The object + * is searched within parent using the provided 'object_id'. + * All tokens to the object must be closed before calling destroy. + * + * Return: '0' on Success; Error code otherwise + */ +int dpio_destroy(struct fsl_mc_io *mc_io, + uint16_t dprc_token, + uint32_t cmd_flags, + uint32_t object_id) { + struct dpio_cmd_destroy *cmd_params; struct mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPIO_CMDID_DESTROY, cmd_flags, dprc_token); + /* set object id to destroy */ - CMD_DESTROY_SET_OBJ_ID_PARAM0(cmd, object_id); + cmd_params = (struct dpio_cmd_destroy *)cmd.params; + cmd_params->dpio_id = cpu_to_le32(object_id); + /* send command to mc*/ return mc_send_command(mc_io, &cmd); } +/** + * dpio_enable() - Enable the DPIO, allow I/O portal operations. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPIO object + * + * Return: '0' on Success; Error code otherwise + */ int dpio_enable(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token) @@ -140,6 +188,14 @@ int dpio_enable(struct fsl_mc_io *mc_io, return mc_send_command(mc_io, &cmd); } +/** + * dpio_disable() - Disable the DPIO, stop any I/O portal operation. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPIO object + * + * Return: '0' on Success; Error code otherwise + */ int dpio_disable(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token) @@ -155,13 +211,24 @@ int dpio_disable(struct fsl_mc_io *mc_io, return mc_send_command(mc_io, &cmd); } +/** + * dpio_is_enabled() - Check if the DPIO 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 DPIO object + * @en: Returns '1' if object is enabled; '0' otherwise + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_is_enabled(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, int *en) { + struct dpio_rsp_is_enabled *rsp_params; struct mc_command cmd = { 0 }; int err; + /* prepare command */ cmd.header = mc_encode_cmd_header(DPIO_CMDID_IS_ENABLED, cmd_flags, token); @@ -172,11 +239,20 @@ int dpio_is_enabled(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - DPIO_RSP_IS_ENABLED(cmd, *en); + rsp_params = (struct dpio_rsp_is_enabled *)cmd.params; + *en = dpio_get_field(rsp_params->en, ENABLE); return 0; } +/** + * dpio_reset() - Reset the DPIO, 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 DPIO object + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_reset(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token) @@ -192,11 +268,21 @@ int dpio_reset(struct fsl_mc_io *mc_io, return mc_send_command(mc_io, &cmd); } +/** + * dpio_get_attributes() - Retrieve DPIO 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 DPIO object + * @attr: Returned object's attributes + * + * Return: '0' on Success; Error code otherwise + */ int dpio_get_attributes(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, struct dpio_attr *attr) { + struct dpio_rsp_get_attr *rsp_params; struct mc_command cmd = { 0 }; int err; @@ -211,33 +297,65 @@ int dpio_get_attributes(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - DPIO_RSP_GET_ATTRIBUTES(cmd, attr); + rsp_params = (struct dpio_rsp_get_attr *)cmd.params; + attr->id = le32_to_cpu(rsp_params->id); + attr->qbman_portal_id = le16_to_cpu(rsp_params->qbman_portal_id); + attr->num_priorities = rsp_params->num_priorities; + attr->qbman_portal_ce_offset = + le64_to_cpu(rsp_params->qbman_portal_ce_offset); + attr->qbman_portal_ci_offset = + le64_to_cpu(rsp_params->qbman_portal_ci_offset); + attr->qbman_version = le32_to_cpu(rsp_params->qbman_version); + attr->clk = le32_to_cpu(rsp_params->clk); + attr->channel_mode = dpio_get_field(rsp_params->channel_mode, + ATTR_CHANNEL_MODE); return 0; } +/** + * dpio_set_stashing_destination() - Set the stashing destination. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPIO object + * @sdest: Stashing destination value + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_set_stashing_destination(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, uint8_t sdest) { + struct dpio_stashing_dest *cmd_params; struct mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPIO_CMDID_SET_STASHING_DEST, cmd_flags, token); - DPIO_CMD_SET_STASHING_DEST(cmd, sdest); + cmd_params = (struct dpio_stashing_dest *)cmd.params; + cmd_params->sdest = sdest; /* send command to mc*/ return mc_send_command(mc_io, &cmd); } +/** + * dpio_get_stashing_destination() - Get the stashing destination.. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPIO object + * @sdest: Returns the stashing destination value + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_get_stashing_destination(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, uint8_t *sdest) { + struct dpio_stashing_dest *rsp_params; struct mc_command cmd = { 0 }; int err; @@ -252,16 +370,96 @@ int dpio_get_stashing_destination(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - DPIO_RSP_GET_STASHING_DEST(cmd, *sdest); + rsp_params = (struct dpio_stashing_dest *)cmd.params; + *sdest = rsp_params->sdest; + + return 0; +} + +/** + * dpio_add_static_dequeue_channel() - Add a static dequeue channel. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPIO object + * @dpcon_id: DPCON object ID + * @channel_index: Returned channel index to be used in qbman API + * + * Return: '0' on Success; Error code otherwise. + */ +int dpio_add_static_dequeue_channel(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + int dpcon_id, + uint8_t *channel_index) +{ + struct dpio_rsp_add_static_dequeue_channel *rsp_params; + struct dpio_cmd_static_dequeue_channel *cmd_params; + struct mc_command cmd = { 0 }; + int err; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPIO_CMDID_ADD_STATIC_DEQUEUE_CHANNEL, + cmd_flags, + token); + cmd_params = (struct dpio_cmd_static_dequeue_channel *)cmd.params; + cmd_params->dpcon_id = cpu_to_le32(dpcon_id); + + /* send command to mc*/ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + /* retrieve response parameters */ + rsp_params = (struct dpio_rsp_add_static_dequeue_channel *)cmd.params; + *channel_index = rsp_params->channel_index; return 0; } +/** + * dpio_remove_static_dequeue_channel() - Remove a static dequeue channel. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPIO object + * @dpcon_id: DPCON object ID + * + * Return: '0' on Success; Error code otherwise. + */ +int dpio_remove_static_dequeue_channel(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + int dpcon_id) +{ + struct dpio_cmd_static_dequeue_channel *cmd_params; + struct mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header( + DPIO_CMDID_REMOVE_STATIC_DEQUEUE_CHANNEL, + cmd_flags, + token); + cmd_params = (struct dpio_cmd_static_dequeue_channel *)cmd.params; + cmd_params->dpcon_id = cpu_to_le32(dpcon_id); + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +/** + * dpio_get_api_version() - Get Data Path I/O 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 i/o API + * @minor_ver: Minor version of data path i/o API + * + * Return: '0' on Success; Error code otherwise. + */ int dpio_get_api_version(struct fsl_mc_io *mc_io, uint32_t cmd_flags, - uint16_t *major_ver, - uint16_t *minor_ver) + uint16_t *major_ver, + uint16_t *minor_ver) { + struct dpio_rsp_get_api_version *rsp_params; struct mc_command cmd = { 0 }; int err; @@ -273,7 +471,9 @@ int dpio_get_api_version(struct fsl_mc_io *mc_io, if (err) return err; - DPIO_RSP_GET_API_VERSION(cmd, *major_ver, *minor_ver); + rsp_params = (struct dpio_rsp_get_api_version *)cmd.params; + *major_ver = le16_to_cpu(rsp_params->major); + *minor_ver = le16_to_cpu(rsp_params->minor); return 0; }