Index: uspace/srv/devman/Makefile =================================================================== --- uspace/srv/devman/Makefile (revision 0358da0458ce146ac1ada07e2927914e67f949d5) +++ uspace/srv/devman/Makefile (revision 0358da0458ce146ac1ada07e2927914e67f949d5) @@ -0,0 +1,38 @@ +# +# Copyright (c) 2005 Martin Decky +# Copyright (c) 2007 Jakub Jermar +# All rights reserved. +# +# 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. +# - The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. +# + +USPACE_PREFIX = ../.. +LIBS = $(LIBC_PREFIX)/libc.a + +OUTPUT = devman + +SOURCES = \ + devman.c + +include ../Makefile.common Index: uspace/srv/devman/devman.c =================================================================== --- uspace/srv/devman/devman.c (revision 0358da0458ce146ac1ada07e2927914e67f949d5) +++ uspace/srv/devman/devman.c (revision 0358da0458ce146ac1ada07e2927914e67f949d5) @@ -0,0 +1,168 @@ +/* + * Copyright (c) 2010 Lenka Trochtova + * All rights reserved. + * + * 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. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +/** + * @defgroup devman Device manager. + * @brief HelenOS device manager. + * @{ + */ + +/** @file + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +//#include + +#define NAME "devman" + +#define MAX_ID_LEN 256 + + +struct driver; +struct match_id; +struct match_id_list; +struct node; +struct dev_tree; + + +typedef struct driver driver_t; +typedef struct match_id match_id_t; +typedef struct match_id_list match_id_list_t; +typedef struct node node_t; +typedef struct dev_tree dev_tree_t; + + + +LIST_INITIALIZE(drivers_list); + +/** Represents device tree. + */ +struct dev_tree { + node_t *root_node; +} + + + +/** Ids of device models used for device-to-driver matching. + */ +struct match_id { + /** Pointers to next and previous ids. + */ + link_t ids; + /** Id of device model. + */ + char id[MAX_ID_LEN]; + /** Relevancy of device-to-driver match. + * The higher is the product of scores specified for the device by the bus driver and by the leaf driver, + * the more suitable is the leaf driver for handling the device. + */ + unsigned int score; +}; + +/** List of ids for matching devices to drivers sorted + * according to match scores in descending order. + */ +struct match_id_list { + link_t ids; +}; + +/** Representation of device driver. + */ +struct driver { + /** Pointers to previous and next drivers in a linked list */ + link_t drivers; + /** Specifies whether the driver has been started.*/ + bool running; + /** Phone asociated with this driver */ + ipcarg_t phone; + /** Name of the device driver */ + char *name; + /** Path to the driver's binary */ + const char *path; + /** Fibril mutex for list of devices owned by this driver */ + fibril_mutex_t devices_mutex; + /** List of device ids for device-to-driver matching.*/ + match_id_list_t match_ids; +}; + +/** Representation of a node in the device tree.*/ +struct node { + /** The node of the parent device. */ + node_t *parent; + /** Pointers to previous and next child devices in the linked list of parent device's node.*/ + link_t sibling; + + + /** List of device ids for device-to-driver matching.*/ + match_id_list_t match_ids; +}; + +/** Initialize device manager internal structures. + */ +static bool devman_init() +{ + // TODO: + // initialize list of available drivers + + return true; +} + +/** + * + */ +int main(int argc, char *argv[]) +{ + printf(NAME ": HelenOS Device Manager\n"); + + if (!devman_init()) { + printf(NAME ": Error while initializing service\n"); + return -1; + } + + /*// Set a handler of incomming connections + async_set_client_connection(devman_connection); + + // Register device manager at naming service + ipcarg_t phonead; + if (ipc_connect_to_me(PHONE_NS, SERVICE_DEVMAN, 0, 0, &phonead) != 0) + return -1; + + printf(NAME ": Accepting connections\n"); + async_manager();*/ + + // Never reached + return 0; +}