[5b19d80] | 1 | /*
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| 2 | * Copyright (c) 2023 Jiri Svoboda
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libdispcfg
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| 30 | * @{
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| 31 | */
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| 32 | /**
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| 33 | * @file
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| 34 | * @brief Display configuration protocol server stub
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| 35 | */
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| 36 |
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| 37 | #include <dispcfg.h>
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| 38 | #include <dispcfg_srv.h>
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| 39 | #include <errno.h>
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| 40 | #include <ipc/dispcfg.h>
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| 41 | #include <mem.h>
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| 42 | #include <stdlib.h>
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| 43 | #include <stddef.h>
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| 44 | #include <str.h>
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| 45 | #include "../private/dispcfg.h"
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| 46 |
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| 47 | static void dispcfg_callback_create_srv(dispcfg_srv_t *srv, ipc_call_t *call)
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| 48 | {
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| 49 | async_sess_t *sess = async_callback_receive(EXCHANGE_SERIALIZE);
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| 50 | if (sess == NULL) {
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| 51 | async_answer_0(call, ENOMEM);
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| 52 | return;
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| 53 | }
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| 54 |
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| 55 | srv->client_sess = sess;
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| 56 | async_answer_0(call, EOK);
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| 57 | }
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| 58 |
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| 59 | static void dispcfg_get_seat_list_srv(dispcfg_srv_t *srv, ipc_call_t *icall)
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| 60 | {
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| 61 | ipc_call_t call;
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| 62 | dispcfg_seat_list_t *list = NULL;
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| 63 | size_t size;
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| 64 | errno_t rc;
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| 65 |
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| 66 | if (srv->ops->get_seat_list == NULL) {
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| 67 | async_answer_0(icall, ENOTSUP);
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| 68 | return;
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| 69 | }
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| 70 |
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| 71 | rc = srv->ops->get_seat_list(srv->arg, &list);
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| 72 | if (rc != EOK) {
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| 73 | async_answer_0(icall, rc);
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| 74 | return;
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| 75 | }
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| 76 |
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| 77 | /* Send list size */
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| 78 |
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| 79 | if (!async_data_read_receive(&call, &size)) {
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| 80 | dispcfg_free_seat_list(list);
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| 81 | async_answer_0(&call, EREFUSED);
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| 82 | async_answer_0(icall, EREFUSED);
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| 83 | return;
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| 84 | }
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| 85 |
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| 86 | if (size != sizeof(list->nseats)) {
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| 87 | dispcfg_free_seat_list(list);
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| 88 | async_answer_0(&call, EINVAL);
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| 89 | async_answer_0(icall, EINVAL);
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| 90 | return;
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| 91 | }
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| 92 |
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| 93 | rc = async_data_read_finalize(&call, &list->nseats, size);
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| 94 | if (rc != EOK) {
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| 95 | dispcfg_free_seat_list(list);
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| 96 | async_answer_0(&call, rc);
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| 97 | async_answer_0(icall, rc);
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| 98 | return;
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| 99 | }
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| 100 |
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| 101 | /* Send seat list */
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| 102 |
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| 103 | if (!async_data_read_receive(&call, &size)) {
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| 104 | dispcfg_free_seat_list(list);
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| 105 | async_answer_0(&call, EREFUSED);
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| 106 | async_answer_0(icall, EREFUSED);
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| 107 | return;
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| 108 | }
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| 109 |
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| 110 | if (size != list->nseats * sizeof(sysarg_t)) {
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| 111 | dispcfg_free_seat_list(list);
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| 112 | async_answer_0(&call, EINVAL);
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| 113 | async_answer_0(icall, EINVAL);
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| 114 | return;
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| 115 | }
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| 116 |
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| 117 | rc = async_data_read_finalize(&call, list->seats, size);
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| 118 | if (rc != EOK) {
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| 119 | dispcfg_free_seat_list(list);
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| 120 | async_answer_0(&call, rc);
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| 121 | async_answer_0(icall, rc);
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| 122 | return;
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| 123 | }
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| 124 |
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| 125 | async_answer_0(icall, EOK);
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| 126 | dispcfg_free_seat_list(list);
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| 127 | }
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| 128 |
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| 129 | static void dispcfg_get_seat_info_srv(dispcfg_srv_t *srv, ipc_call_t *icall)
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| 130 | {
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| 131 | sysarg_t seat_id;
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| 132 | ipc_call_t call;
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| 133 | dispcfg_seat_info_t *info = NULL;
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| 134 | size_t namesize;
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| 135 | size_t size;
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| 136 | errno_t rc;
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| 137 |
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| 138 | seat_id = ipc_get_arg1(icall);
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| 139 |
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| 140 | if (srv->ops->get_seat_info == NULL) {
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| 141 | async_answer_0(icall, ENOTSUP);
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| 142 | return;
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| 143 | }
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| 144 |
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| 145 | rc = srv->ops->get_seat_info(srv->arg, seat_id, &info);
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| 146 | if (rc != EOK) {
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| 147 | async_answer_0(icall, rc);
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| 148 | return;
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| 149 | }
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| 150 |
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| 151 | /* Send name size */
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| 152 |
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| 153 | if (!async_data_read_receive(&call, &size)) {
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| 154 | dispcfg_free_seat_info(info);
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| 155 | async_answer_0(&call, EREFUSED);
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| 156 | async_answer_0(icall, EREFUSED);
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| 157 | return;
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| 158 | }
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| 159 |
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| 160 | if (size != sizeof(size_t)) {
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| 161 | dispcfg_free_seat_info(info);
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| 162 | async_answer_0(&call, EINVAL);
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| 163 | async_answer_0(icall, EINVAL);
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| 164 | return;
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| 165 | }
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| 166 |
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| 167 | namesize = str_size(info->name);
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| 168 |
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| 169 | rc = async_data_read_finalize(&call, &namesize, size);
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| 170 | if (rc != EOK) {
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| 171 | dispcfg_free_seat_info(info);
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| 172 | async_answer_0(&call, rc);
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| 173 | async_answer_0(icall, rc);
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| 174 | return;
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| 175 | }
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| 176 |
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| 177 | /* Send name */
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| 178 |
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| 179 | if (!async_data_read_receive(&call, &size)) {
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| 180 | dispcfg_free_seat_info(info);
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| 181 | async_answer_0(&call, EREFUSED);
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| 182 | async_answer_0(icall, EREFUSED);
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| 183 | return;
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| 184 | }
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| 185 |
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| 186 | if (size != namesize) {
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| 187 | dispcfg_free_seat_info(info);
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| 188 | async_answer_0(&call, EINVAL);
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| 189 | async_answer_0(icall, EINVAL);
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| 190 | return;
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| 191 | }
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| 192 |
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| 193 | rc = async_data_read_finalize(&call, info->name, size);
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| 194 | if (rc != EOK) {
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| 195 | dispcfg_free_seat_info(info);
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| 196 | async_answer_0(&call, rc);
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| 197 | async_answer_0(icall, rc);
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| 198 | return;
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| 199 | }
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| 200 |
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| 201 | async_answer_0(icall, EOK);
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| 202 | dispcfg_free_seat_info(info);
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| 203 | }
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| 204 |
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| 205 | static void dispcfg_seat_create_srv(dispcfg_srv_t *srv, ipc_call_t *icall)
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| 206 | {
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| 207 | sysarg_t seat_id;
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| 208 | ipc_call_t call;
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| 209 | char *name;
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| 210 | size_t size;
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| 211 | errno_t rc;
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| 212 |
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| 213 | if (!async_data_write_receive(&call, &size)) {
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| 214 | async_answer_0(&call, EREFUSED);
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| 215 | async_answer_0(icall, EREFUSED);
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| 216 | return;
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| 217 | }
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| 218 |
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| 219 | name = calloc(size + 1, 1);
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| 220 | if (name == NULL) {
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| 221 | async_answer_0(&call, ENOMEM);
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| 222 | async_answer_0(icall, ENOMEM);
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| 223 | return;
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| 224 | }
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| 225 |
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| 226 | rc = async_data_write_finalize(&call, name, size);
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| 227 | if (rc != EOK) {
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| 228 | free(name);
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| 229 | async_answer_0(&call, rc);
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| 230 | async_answer_0(icall, rc);
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| 231 | return;
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| 232 | }
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| 233 |
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| 234 | if (srv->ops->seat_create == NULL) {
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| 235 | free(name);
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| 236 | async_answer_0(icall, ENOTSUP);
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| 237 | return;
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| 238 | }
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| 239 |
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| 240 | rc = srv->ops->seat_create(srv->arg, name, &seat_id);
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| 241 | async_answer_1(icall, rc, seat_id);
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| 242 | free(name);
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| 243 | }
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| 244 |
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| 245 | static void dispcfg_seat_delete_srv(dispcfg_srv_t *srv, ipc_call_t *icall)
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| 246 | {
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| 247 | sysarg_t seat_id;
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| 248 | errno_t rc;
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| 249 |
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| 250 | seat_id = ipc_get_arg1(icall);
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| 251 |
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| 252 | if (srv->ops->seat_delete == NULL) {
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| 253 | async_answer_0(icall, ENOTSUP);
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| 254 | return;
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| 255 | }
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| 256 |
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| 257 | rc = srv->ops->seat_delete(srv->arg, seat_id);
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| 258 | async_answer_0(icall, rc);
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| 259 | }
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| 260 |
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[b3eeae5] | 261 | static void dispcfg_dev_assign_srv(dispcfg_srv_t *srv, ipc_call_t *icall)
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| 262 | {
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| 263 | sysarg_t svc_id;
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| 264 | sysarg_t seat_id;
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| 265 | errno_t rc;
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| 266 |
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| 267 | svc_id = ipc_get_arg1(icall);
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| 268 | seat_id = ipc_get_arg2(icall);
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| 269 |
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| 270 | if (srv->ops->dev_assign == NULL) {
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| 271 | async_answer_0(icall, ENOTSUP);
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| 272 | return;
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| 273 | }
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| 274 |
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| 275 | rc = srv->ops->dev_assign(srv->arg, svc_id, seat_id);
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| 276 | async_answer_0(icall, rc);
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| 277 | }
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| 278 |
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| 279 | static void dispcfg_dev_unassign_srv(dispcfg_srv_t *srv, ipc_call_t *icall)
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| 280 | {
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| 281 | sysarg_t svc_id;
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| 282 | errno_t rc;
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| 283 |
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| 284 | svc_id = ipc_get_arg1(icall);
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| 285 |
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| 286 | if (srv->ops->dev_unassign == NULL) {
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| 287 | async_answer_0(icall, ENOTSUP);
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| 288 | return;
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| 289 | }
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| 290 |
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| 291 | rc = srv->ops->dev_unassign(srv->arg, svc_id);
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| 292 | async_answer_0(icall, rc);
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| 293 | }
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| 294 |
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[c0757e1f] | 295 | static void dispcfg_get_asgn_dev_list_srv(dispcfg_srv_t *srv, ipc_call_t *icall)
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| 296 | {
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| 297 | sysarg_t seat_id;
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| 298 | ipc_call_t call;
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| 299 | dispcfg_dev_list_t *list = NULL;
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| 300 | size_t size;
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| 301 | errno_t rc;
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| 302 |
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| 303 | seat_id = ipc_get_arg1(icall);
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| 304 |
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| 305 | if (srv->ops->get_asgn_dev_list == NULL) {
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| 306 | async_answer_0(icall, ENOTSUP);
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| 307 | return;
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| 308 | }
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| 309 |
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| 310 | rc = srv->ops->get_asgn_dev_list(srv->arg, seat_id, &list);
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| 311 | if (rc != EOK) {
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| 312 | async_answer_0(icall, rc);
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| 313 | return;
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| 314 | }
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| 315 |
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| 316 | /* Send list size */
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| 317 |
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| 318 | if (!async_data_read_receive(&call, &size)) {
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| 319 | dispcfg_free_dev_list(list);
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| 320 | async_answer_0(&call, EREFUSED);
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| 321 | async_answer_0(icall, EREFUSED);
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| 322 | return;
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| 323 | }
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| 324 |
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| 325 | if (size != sizeof(list->ndevs)) {
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| 326 | dispcfg_free_dev_list(list);
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| 327 | async_answer_0(&call, EINVAL);
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| 328 | async_answer_0(icall, EINVAL);
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| 329 | return;
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| 330 | }
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| 331 |
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| 332 | rc = async_data_read_finalize(&call, &list->ndevs, size);
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| 333 | if (rc != EOK) {
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| 334 | dispcfg_free_dev_list(list);
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| 335 | async_answer_0(&call, rc);
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| 336 | async_answer_0(icall, rc);
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| 337 | return;
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| 338 | }
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| 339 |
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| 340 | /* Send device list */
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| 341 |
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| 342 | if (!async_data_read_receive(&call, &size)) {
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| 343 | dispcfg_free_dev_list(list);
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| 344 | async_answer_0(&call, EREFUSED);
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| 345 | async_answer_0(icall, EREFUSED);
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| 346 | return;
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| 347 | }
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| 348 |
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| 349 | if (size != list->ndevs * sizeof(sysarg_t)) {
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| 350 | dispcfg_free_dev_list(list);
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| 351 | async_answer_0(&call, EINVAL);
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| 352 | async_answer_0(icall, EINVAL);
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| 353 | return;
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| 354 | }
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| 355 |
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| 356 | rc = async_data_read_finalize(&call, list->devs, size);
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| 357 | if (rc != EOK) {
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| 358 | dispcfg_free_dev_list(list);
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| 359 | async_answer_0(&call, rc);
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| 360 | async_answer_0(icall, rc);
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| 361 | return;
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| 362 | }
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| 363 |
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| 364 | async_answer_0(icall, EOK);
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| 365 | dispcfg_free_dev_list(list);
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| 366 | }
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| 367 |
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[5b19d80] | 368 | static void dispcfg_get_event_srv(dispcfg_srv_t *srv, ipc_call_t *icall)
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| 369 | {
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| 370 | dispcfg_ev_t event;
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| 371 | ipc_call_t call;
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| 372 | size_t size;
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| 373 | errno_t rc;
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| 374 |
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| 375 | if (srv->ops->get_event == NULL) {
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| 376 | async_answer_0(icall, ENOTSUP);
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| 377 | return;
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| 378 | }
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| 379 |
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| 380 | rc = srv->ops->get_event(srv->arg, &event);
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| 381 | if (rc != EOK) {
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| 382 | async_answer_0(icall, rc);
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| 383 | return;
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| 384 | }
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| 385 |
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| 386 | /* Transfer event data */
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| 387 | if (!async_data_read_receive(&call, &size)) {
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| 388 | async_answer_0(&call, EREFUSED);
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| 389 | async_answer_0(icall, EREFUSED);
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| 390 | return;
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| 391 | }
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| 392 |
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| 393 | if (size != sizeof(event)) {
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| 394 | async_answer_0(&call, EREFUSED);
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| 395 | async_answer_0(icall, EREFUSED);
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| 396 | return;
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| 397 | }
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| 398 |
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| 399 | rc = async_data_read_finalize(&call, &event, sizeof(event));
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| 400 | if (rc != EOK) {
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| 401 | async_answer_0(&call, rc);
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| 402 | async_answer_0(icall, rc);
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| 403 | return;
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| 404 | }
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| 405 |
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| 406 | async_answer_0(icall, EOK);
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| 407 | }
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| 408 |
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| 409 | void dispcfg_conn(ipc_call_t *icall, dispcfg_srv_t *srv)
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| 410 | {
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| 411 | /* Accept the connection */
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| 412 | async_accept_0(icall);
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| 413 |
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| 414 | while (true) {
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| 415 | ipc_call_t call;
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| 416 |
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| 417 | async_get_call(&call);
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| 418 | sysarg_t method = ipc_get_imethod(&call);
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| 419 |
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| 420 | if (!method) {
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| 421 | /* The other side has hung up */
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| 422 | async_answer_0(&call, EOK);
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| 423 | break;
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| 424 | }
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| 425 |
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| 426 | switch (method) {
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| 427 | case DISPCFG_CALLBACK_CREATE:
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| 428 | dispcfg_callback_create_srv(srv, &call);
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| 429 | break;
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| 430 | case DISPCFG_GET_SEAT_LIST:
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| 431 | dispcfg_get_seat_list_srv(srv, &call);
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| 432 | break;
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| 433 | case DISPCFG_GET_SEAT_INFO:
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| 434 | dispcfg_get_seat_info_srv(srv, &call);
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| 435 | break;
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| 436 | case DISPCFG_SEAT_CREATE:
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| 437 | dispcfg_seat_create_srv(srv, &call);
|
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| 438 | break;
|
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| 439 | case DISPCFG_SEAT_DELETE:
|
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| 440 | dispcfg_seat_delete_srv(srv, &call);
|
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| 441 | break;
|
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[b3eeae5] | 442 | case DISPCFG_DEV_ASSIGN:
|
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| 443 | dispcfg_dev_assign_srv(srv, &call);
|
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| 444 | break;
|
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| 445 | case DISPCFG_DEV_UNASSIGN:
|
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| 446 | dispcfg_dev_unassign_srv(srv, &call);
|
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| 447 | break;
|
---|
[c0757e1f] | 448 | case DISPCFG_GET_ASGN_DEV_LIST:
|
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| 449 | dispcfg_get_asgn_dev_list_srv(srv, &call);
|
---|
| 450 | break;
|
---|
[5b19d80] | 451 | case DISPCFG_GET_EVENT:
|
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| 452 | dispcfg_get_event_srv(srv, &call);
|
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| 453 | break;
|
---|
| 454 | default:
|
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| 455 | async_answer_0(&call, ENOTSUP);
|
---|
| 456 | }
|
---|
| 457 | }
|
---|
| 458 |
|
---|
| 459 | /* Hang up callback session */
|
---|
| 460 | if (srv->client_sess != NULL) {
|
---|
| 461 | async_hangup(srv->client_sess);
|
---|
| 462 | srv->client_sess = NULL;
|
---|
| 463 | }
|
---|
| 464 | }
|
---|
| 465 |
|
---|
| 466 | /** Initialize display configuration server structure
|
---|
| 467 | *
|
---|
| 468 | * @param srv Display configuration server structure to initialize
|
---|
| 469 | */
|
---|
| 470 | void dispcfg_srv_initialize(dispcfg_srv_t *srv)
|
---|
| 471 | {
|
---|
| 472 | memset(srv, 0, sizeof(*srv));
|
---|
| 473 | }
|
---|
| 474 |
|
---|
| 475 | /** Send 'pending' event to client.
|
---|
| 476 | *
|
---|
| 477 | * @param srv Display configuration server structure
|
---|
| 478 | */
|
---|
| 479 | void dispcfg_srv_ev_pending(dispcfg_srv_t *srv)
|
---|
| 480 | {
|
---|
| 481 | async_exch_t *exch;
|
---|
| 482 |
|
---|
| 483 | exch = async_exchange_begin(srv->client_sess);
|
---|
| 484 | async_msg_0(exch, DISPCFG_EV_PENDING);
|
---|
| 485 | async_exchange_end(exch);
|
---|
| 486 | }
|
---|
| 487 |
|
---|
| 488 | /** @}
|
---|
| 489 | */
|
---|