X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=drivers%2Fbus%2Ffslmc%2Fmc%2Fdpci.c;h=95edae9d9d3efd4a0c5544b9a7f9ee03d7f23e19;hb=8d01b9cd70a67cdafd5b965a70420c3bd7fb3f82;hp=0ea78379778df1ec26685ed7d50a47605c400421;hpb=f239aed5e674965691846e8ce3f187dd47523689;p=deb_dpdk.git diff --git a/drivers/bus/fslmc/mc/dpci.c b/drivers/bus/fslmc/mc/dpci.c index 0ea78379..95edae9d 100644 --- a/drivers/bus/fslmc/mc/dpci.c +++ b/drivers/bus/fslmc/mc/dpci.c @@ -1,51 +1,36 @@ -/*- - * 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. * - * 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 #include #include #include +/** + * dpci_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_' + * @dpci_id: DPCI 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 dpci_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 dpci_open(struct fsl_mc_io *mc_io, uint32_t cmd_flags, int dpci_id, uint16_t *token) { + struct dpci_cmd_open *cmd_params; struct mc_command cmd = { 0 }; int err; @@ -53,7 +38,8 @@ int dpci_open(struct fsl_mc_io *mc_io, cmd.header = mc_encode_cmd_header(DPCI_CMDID_OPEN, cmd_flags, 0); - DPCI_CMD_OPEN(cmd, dpci_id); + cmd_params = (struct dpci_cmd_open *)cmd.params; + cmd_params->dpci_id = cpu_to_le32(dpci_id); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); @@ -61,11 +47,22 @@ int dpci_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; } +/** + * dpci_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 DPCI 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 dpci_close(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token) @@ -81,12 +78,35 @@ int dpci_close(struct fsl_mc_io *mc_io, return mc_send_command(mc_io, &cmd); } +/** + * dpci_create() - Create the DPCI 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 DPCI 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 dpci_create(struct fsl_mc_io *mc_io, uint16_t dprc_token, uint32_t cmd_flags, const struct dpci_cfg *cfg, uint32_t *obj_id) { + struct dpci_cmd_create *cmd_params; struct mc_command cmd = { 0 }; int err; @@ -94,7 +114,8 @@ int dpci_create(struct fsl_mc_io *mc_io, cmd.header = mc_encode_cmd_header(DPCI_CMDID_CREATE, cmd_flags, dprc_token); - DPCI_CMD_CREATE(cmd, cfg); + cmd_params = (struct dpci_cmd_create *)cmd.params; + cmd_params->num_of_priorities = cfg->num_of_priorities; /* send command to mc*/ err = mc_send_command(mc_io, &cmd); @@ -102,28 +123,53 @@ int dpci_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; } +/** + * dpci_destroy() - Destroy the DPCI 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 dpci_destroy(struct fsl_mc_io *mc_io, uint16_t dprc_token, - uint32_t cmd_flags, - uint32_t object_id) + uint32_t cmd_flags, + uint32_t object_id) { + struct dpci_cmd_destroy *cmd_params; struct mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPCI_CMDID_DESTROY, cmd_flags, dprc_token); - /* set object id to destroy */ - CMD_DESTROY_SET_OBJ_ID_PARAM0(cmd, object_id); + cmd_params = (struct dpci_cmd_destroy *)cmd.params; + cmd_params->dpci_id = cpu_to_le32(object_id); + /* send command to mc*/ return mc_send_command(mc_io, &cmd); } +/** + * dpci_enable() - Enable the DPCI, allow sending and receiving frames. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPCI object + * + * Return: '0' on Success; Error code otherwise. + */ int dpci_enable(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token) @@ -139,6 +185,14 @@ int dpci_enable(struct fsl_mc_io *mc_io, return mc_send_command(mc_io, &cmd); } +/** + * dpci_disable() - Disable the DPCI, stop sending and receiving frames. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPCI object + * + * Return: '0' on Success; Error code otherwise. + */ int dpci_disable(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token) @@ -154,13 +208,24 @@ int dpci_disable(struct fsl_mc_io *mc_io, return mc_send_command(mc_io, &cmd); } +/** + * dpci_is_enabled() - Check if the DPCI 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 DPCI object + * @en: Returns '1' if object is enabled; '0' otherwise + * + * Return: '0' on Success; Error code otherwise. + */ int dpci_is_enabled(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, int *en) { + struct dpci_rsp_is_enabled *rsp_params; struct mc_command cmd = { 0 }; int err; + /* prepare command */ cmd.header = mc_encode_cmd_header(DPCI_CMDID_IS_ENABLED, cmd_flags, token); @@ -171,11 +236,20 @@ int dpci_is_enabled(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - DPCI_RSP_IS_ENABLED(cmd, *en); + rsp_params = (struct dpci_rsp_is_enabled *)cmd.params; + *en = dpci_get_field(rsp_params->en, ENABLE); return 0; } +/** + * dpci_reset() - Reset the DPCI, 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 DPCI object + * + * Return: '0' on Success; Error code otherwise. + */ int dpci_reset(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token) @@ -191,11 +265,21 @@ int dpci_reset(struct fsl_mc_io *mc_io, return mc_send_command(mc_io, &cmd); } +/** + * dpci_get_attributes() - Retrieve DPCI 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 DPCI object + * @attr: Returned object's attributes + * + * Return: '0' on Success; Error code otherwise. + */ int dpci_get_attributes(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, struct dpci_attr *attr) { + struct dpci_rsp_get_attr *rsp_params; struct mc_command cmd = { 0 }; int err; @@ -210,35 +294,150 @@ int dpci_get_attributes(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - DPCI_RSP_GET_ATTRIBUTES(cmd, attr); + rsp_params = (struct dpci_rsp_get_attr *)cmd.params; + attr->id = le32_to_cpu(rsp_params->id); + attr->num_of_priorities = rsp_params->num_of_priorities; + + return 0; +} + +/** + * dpci_get_peer_attributes() - Retrieve peer DPCI 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 DPCI object + * @attr: Returned peer attributes + * + * Return: '0' on Success; Error code otherwise. + */ +int dpci_get_peer_attributes(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + struct dpci_peer_attr *attr) +{ + struct dpci_rsp_get_peer_attr *rsp_params; + struct mc_command cmd = { 0 }; + int err; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPCI_CMDID_GET_PEER_ATTR, + cmd_flags, + token); + + /* send command to mc*/ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + /* retrieve response parameters */ + rsp_params = (struct dpci_rsp_get_peer_attr *)cmd.params; + attr->peer_id = le32_to_cpu(rsp_params->id); + attr->num_of_priorities = rsp_params->num_of_priorities; + + return 0; +} + +/** + * dpci_get_link_state() - Retrieve the DPCI link 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 DPCI object + * @up: Returned link state; returns '1' if link is up, '0' otherwise + * + * DPCI can be connected to another DPCI, together they + * create a 'link'. In order to use the DPCI Tx and Rx queues, + * both objects must be enabled. + * + * Return: '0' on Success; Error code otherwise. + */ +int dpci_get_link_state(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + int *up) +{ + struct dpci_rsp_get_link_state *rsp_params; + struct mc_command cmd = { 0 }; + int err; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPCI_CMDID_GET_LINK_STATE, + cmd_flags, + token); + + /* send command to mc*/ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + /* retrieve response parameters */ + rsp_params = (struct dpci_rsp_get_link_state *)cmd.params; + *up = dpci_get_field(rsp_params->up, UP); return 0; } +/** + * dpci_set_rx_queue() - Set Rx queue configuration + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPCI object + * @priority: Select the queue relative to number of + * priorities configured at DPCI creation; use + * DPCI_ALL_QUEUES to configure all Rx queues + * identically. + * @cfg: Rx queue configuration + * + * Return: '0' on Success; Error code otherwise. + */ int dpci_set_rx_queue(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, uint8_t priority, const struct dpci_rx_queue_cfg *cfg) { + struct dpci_cmd_set_rx_queue *cmd_params; struct mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPCI_CMDID_SET_RX_QUEUE, cmd_flags, token); - DPCI_CMD_SET_RX_QUEUE(cmd, priority, cfg); + cmd_params = (struct dpci_cmd_set_rx_queue *)cmd.params; + cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id); + cmd_params->dest_priority = cfg->dest_cfg.priority; + cmd_params->priority = priority; + cmd_params->user_ctx = cpu_to_le64(cfg->user_ctx); + cmd_params->options = cpu_to_le32(cfg->options); + dpci_set_field(cmd_params->dest_type, + DEST_TYPE, + cfg->dest_cfg.dest_type); + dpci_set_field(cmd_params->dest_type, + ORDER_PRESERVATION, + cfg->order_preservation_en); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } +/** + * dpci_get_rx_queue() - Retrieve Rx queue 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 DPCI object + * @priority: Select the queue relative to number of + * priorities configured at DPCI creation + * @attr: Returned Rx queue attributes + * + * Return: '0' on Success; Error code otherwise. + */ int dpci_get_rx_queue(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, uint8_t priority, struct dpci_rx_queue_attr *attr) { + struct dpci_cmd_get_queue *cmd_params; + struct dpci_rsp_get_rx_queue *rsp_params; struct mc_command cmd = { 0 }; int err; @@ -246,7 +445,8 @@ int dpci_get_rx_queue(struct fsl_mc_io *mc_io, cmd.header = mc_encode_cmd_header(DPCI_CMDID_GET_RX_QUEUE, cmd_flags, token); - DPCI_CMD_GET_RX_QUEUE(cmd, priority); + cmd_params = (struct dpci_cmd_get_queue *)cmd.params; + cmd_params->priority = priority; /* send command to mc*/ err = mc_send_command(mc_io, &cmd); @@ -254,17 +454,36 @@ int dpci_get_rx_queue(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - DPCI_RSP_GET_RX_QUEUE(cmd, attr); + rsp_params = (struct dpci_rsp_get_rx_queue *)cmd.params; + attr->user_ctx = le64_to_cpu(rsp_params->user_ctx); + attr->fqid = le32_to_cpu(rsp_params->fqid); + attr->dest_cfg.dest_id = le32_to_cpu(rsp_params->dest_id); + attr->dest_cfg.priority = rsp_params->dest_priority; + attr->dest_cfg.dest_type = dpci_get_field(rsp_params->dest_type, + DEST_TYPE); return 0; } +/** + * dpci_get_tx_queue() - Retrieve Tx queue 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 DPCI object + * @priority: Select the queue relative to number of + * priorities of the peer DPCI object + * @attr: Returned Tx queue attributes + * + * Return: '0' on Success; Error code otherwise. + */ int dpci_get_tx_queue(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token, uint8_t priority, struct dpci_tx_queue_attr *attr) { + struct dpci_cmd_get_queue *cmd_params; + struct dpci_rsp_get_tx_queue *rsp_params; struct mc_command cmd = { 0 }; int err; @@ -272,7 +491,8 @@ int dpci_get_tx_queue(struct fsl_mc_io *mc_io, cmd.header = mc_encode_cmd_header(DPCI_CMDID_GET_TX_QUEUE, cmd_flags, token); - DPCI_CMD_GET_TX_QUEUE(cmd, priority); + cmd_params = (struct dpci_cmd_get_queue *)cmd.params; + cmd_params->priority = priority; /* send command to mc*/ err = mc_send_command(mc_io, &cmd); @@ -280,16 +500,27 @@ int dpci_get_tx_queue(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - DPCI_RSP_GET_TX_QUEUE(cmd, attr); + rsp_params = (struct dpci_rsp_get_tx_queue *)cmd.params; + attr->fqid = le32_to_cpu(rsp_params->fqid); return 0; } +/** + * dpci_get_api_version() - Get communication interface 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 communication interface API + * @minor_ver: Minor version of data path communication interface API + * + * Return: '0' on Success; Error code otherwise. + */ int dpci_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 dpci_rsp_get_api_version *rsp_params; struct mc_command cmd = { 0 }; int err; @@ -301,7 +532,106 @@ int dpci_get_api_version(struct fsl_mc_io *mc_io, if (err) return err; - DPCI_RSP_GET_API_VERSION(cmd, *major_ver, *minor_ver); + rsp_params = (struct dpci_rsp_get_api_version *)cmd.params; + *major_ver = le16_to_cpu(rsp_params->major); + *minor_ver = le16_to_cpu(rsp_params->minor); + + return 0; +} + +/** + * dpci_set_opr() - Set Order Restoration configuration. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPCI object + * @index: The queue index + * @options: Configuration mode options + * can be OPR_OPT_CREATE or OPR_OPT_RETIRE + * @cfg: Configuration options for the OPR + * + * Return: '0' on Success; Error code otherwise. + */ +int dpci_set_opr(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + uint8_t index, + uint8_t options, + struct opr_cfg *cfg) +{ + struct dpci_cmd_set_opr *cmd_params; + struct mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPCI_CMDID_SET_OPR, + cmd_flags, + token); + cmd_params = (struct dpci_cmd_set_opr *)cmd.params; + cmd_params->index = index; + cmd_params->options = options; + cmd_params->oloe = cfg->oloe; + cmd_params->oeane = cfg->oeane; + cmd_params->olws = cfg->olws; + cmd_params->oa = cfg->oa; + cmd_params->oprrws = cfg->oprrws; + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +/** + * dpci_get_opr() - Retrieve Order Restoration config and query. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPCI object + * @index: The queue index + * @cfg: Returned OPR configuration + * @qry: Returned OPR query + * + * Return: '0' on Success; Error code otherwise. + */ +int dpci_get_opr(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + uint8_t index, + struct opr_cfg *cfg, + struct opr_qry *qry) +{ + struct dpci_rsp_get_opr *rsp_params; + struct dpci_cmd_get_opr *cmd_params; + struct mc_command cmd = { 0 }; + int err; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPCI_CMDID_GET_OPR, + cmd_flags, + token); + cmd_params = (struct dpci_cmd_get_opr *)cmd.params; + cmd_params->index = index; + + /* send command to mc*/ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + /* retrieve response parameters */ + rsp_params = (struct dpci_rsp_get_opr *)cmd.params; + cfg->oloe = rsp_params->oloe; + cfg->oeane = rsp_params->oeane; + cfg->olws = rsp_params->olws; + cfg->oa = rsp_params->oa; + cfg->oprrws = rsp_params->oprrws; + qry->rip = dpci_get_field(rsp_params->flags, RIP); + qry->enable = dpci_get_field(rsp_params->flags, OPR_ENABLE); + qry->nesn = le16_to_cpu(rsp_params->nesn); + qry->ndsn = le16_to_cpu(rsp_params->ndsn); + qry->ea_tseq = le16_to_cpu(rsp_params->ea_tseq); + qry->tseq_nlis = dpci_get_field(rsp_params->tseq_nlis, TSEQ_NLIS); + qry->ea_hseq = le16_to_cpu(rsp_params->ea_hseq); + qry->hseq_nlis = dpci_get_field(rsp_params->hseq_nlis, HSEQ_NLIS); + qry->ea_hptr = le16_to_cpu(rsp_params->ea_hptr); + qry->ea_tptr = le16_to_cpu(rsp_params->ea_tptr); + qry->opr_vid = le16_to_cpu(rsp_params->opr_vid); + qry->opr_id = le16_to_cpu(rsp_params->opr_id); return 0; }