raiden00pl commented on code in PR #8794: URL: https://github.com/apache/nuttx/pull/8794#discussion_r1133089916
########## drivers/wireless/bluetooth/bt_rpmsghci_server.c: ########## @@ -0,0 +1,547 @@ +/**************************************************************************** + * drivers/wireless/bluetooth/bt_rpmsghci_server.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <sys/param.h> + +#include <assert.h> +#include <debug.h> +#include <stdlib.h> + +#include <nuttx/rptun/openamp.h> + +#include "bt_rpmsghci.h" + +/**************************************************************************** + * Pre-processor definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +struct rpmsghci_server_s +{ + struct rpmsg_endpoint ept; + FAR struct bt_driver_s *btdev; + FAR const char *name; + struct work_s work; +}; + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +static int rpmsghci_open_handler(FAR struct rpmsg_endpoint *ept, + FAR void *data, size_t len, + uint32_t src, FAR void *priv); +static int rpmsghci_close_handler(FAR struct rpmsg_endpoint *ept, + FAR void *data, size_t len, + uint32_t src, FAR void *priv); +static int rpmsghci_send_handler(FAR struct rpmsg_endpoint *ept, + FAR void *data, size_t len, + uint32_t src, FAR void *priv); +static int rpmsghci_ioctl_handler(FAR struct rpmsg_endpoint *ept, + FAR void *data, size_t len, + uint32_t src, FAR void *priv); +static int rpmsghci_default_handler(FAR struct rpmsg_endpoint *ept, + FAR void *data, size_t len, + uint32_t src, FAR void *priv); + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static const rpmsg_ept_cb g_rpmsghci_handler[] = +{ + rpmsghci_open_handler, /* RPMSGHCI_OPEN */ + rpmsghci_close_handler, /* RPMSGHCI_CLOSE */ + rpmsghci_send_handler, /* RPMSGHCI_SEND */ + rpmsghci_ioctl_handler, /* RPMSGHCI_IOCTL */ + rpmsghci_default_handler, /* RPMSGHCI_RECV */ +}; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: rpmsghci_get_tx_payload_buffer + ****************************************************************************/ + +static FAR void * +rpmsghci_get_tx_payload_buffer(FAR struct rpmsghci_server_s *priv, + FAR uint32_t *len) +{ + return rpmsg_get_tx_payload_buffer(&priv->ept, len, true); +} + +/**************************************************************************** + * Name: rpmsghci_send + * + * Description: + * Send the rpmsg data and wait for ACK. + * + * Parameters: + * priv - rpmsg device handle + * command - the command, RPMSGHCI_OPEN, RPMSGHCI_CLOSE, RPMSGHCI_SEND, + * RPMSGHCI_IOCTL + * msg - the message header + * len - length of the payload + * + * Returned Values: + * OK on success; A negated errno value is returned on any failure. + * + ****************************************************************************/ + +static int rpmsghci_send(FAR struct rpmsghci_server_s *priv, + uint32_t command, FAR struct rpmsghci_header_s *msg, + int len) +{ + struct rpmsghci_cookie_s cookie; + int ret = OK; + + memset(&cookie, 0, sizeof(struct rpmsghci_cookie_s)); + nxsem_init(&cookie.sem, 0, 0); + + msg->command = command; + msg->result = -ENXIO; + msg->cookie = (uintptr_t)&cookie; + + ret = rpmsg_send_nocopy(&priv->ept, msg, len); + if (ret < 0) + { + goto errout; + } + + ret = rpmsg_wait(&priv->ept, &cookie.sem); + if (ret >= 0) + { + ret = msg->result; + } + +errout: + nxsem_destroy(&cookie.sem); + return ret; +} + +/**************************************************************************** + * Name: rpmsghci_open_handler + * + * Description: + * Rpmsg-HCI device open handler. + * + * Parameters: + * ept - The rpmsg endpoint + * data - The return message + * len - The return message length + * src - unknow + * priv - unknow + * + * Returned Values: + * OK on success; A negated errno value is returned on any failure. + * + ****************************************************************************/ + +static int rpmsghci_open_handler(FAR struct rpmsg_endpoint *ept, + FAR void *data, size_t len, + uint32_t src, FAR void *priv) +{ + FAR struct rpmsghci_server_s *server = NULL; + FAR struct bt_driver_s *btdev = NULL; + FAR struct rpmsghci_data_s *msg = data; + int ret = OK; + + DEBUGASSERT(priv); + server = priv; + DEBUGASSERT(server->btdev); + btdev = server->btdev; + + if (btdev->open) + { + ret = btdev->open(btdev); + } + + msg->header.result = ret; + + return rpmsg_send(ept, msg, len); +} + +/**************************************************************************** + * Name: rpmsghci_close_handler + * + * Description: + * Rpmsg-HCI close handler. + * + * Parameters: + * ept - The rpmsg endpoint + * data - The return message + * len - The return message length + * src - unknow + * priv - unknow + * + * Returned Values: + * OK on success; A negated errno value is returned on any failure. + * + ****************************************************************************/ + +static int rpmsghci_close_handler(FAR struct rpmsg_endpoint *ept, + FAR void *data, size_t len, + uint32_t src, FAR void *priv) +{ + FAR struct rpmsghci_server_s *server = NULL; + FAR struct bt_driver_s *btdev = NULL; + FAR struct rpmsghci_data_s *msg = data; + int ret = OK; + + DEBUGASSERT(priv); + server = priv; + DEBUGASSERT(server->btdev); + btdev = server->btdev; + + if (btdev->close) + { + btdev->close(btdev); + } + + msg->header.result = ret; + + return rpmsg_send(ept, msg, len); +} + +/**************************************************************************** + * Name: rpmsghci_send_handler + * + * Description: + * Rpmsg-HCI send handler. + * + * Parameters: + * ept - The rpmsg endpoint + * data - The return message + * len - The return message length + * src - unknow + * priv - unknow + * + * Returned Values: + * OK on success; A negated errno value is returned on any failure. + * + ****************************************************************************/ + +static int rpmsghci_send_handler(FAR struct rpmsg_endpoint *ept, + FAR void *data, size_t len, + uint32_t src, FAR void *priv) +{ + FAR struct rpmsghci_server_s *server = NULL; + FAR struct bt_driver_s *btdev = NULL; + FAR struct rpmsghci_data_s *msg = data; + int ret = OK; + + DEBUGASSERT(priv); + server = priv; + DEBUGASSERT(server->btdev); + btdev = server->btdev; + + wlinfo("rpmsghci_send_handler %d\n", msg->type); + + ret = btdev->send(btdev, msg->type, msg->data, + len - sizeof(struct rpmsghci_data_s) + 1); + + msg->header.result = ret; + + return rpmsg_send(ept, msg, len); Review Comment: True, fixed -- This is an automated message from the Apache Git Service. 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