Shad Ansari | 2f7f9be | 2017-06-07 13:34:53 -0700 | [diff] [blame^] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * <:copyright-BRCM:2016:DUAL/GPL:standard |
| 4 | * |
| 5 | * Copyright (c) 2016 Broadcom |
| 6 | * All Rights Reserved |
| 7 | * |
| 8 | * Unless you and Broadcom execute a separate written software license |
| 9 | * agreement governing use of this software, this software is licensed |
| 10 | * to you under the terms of the GNU General Public License version 2 |
| 11 | * (the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php, |
| 12 | * with the following added to such license: |
| 13 | * |
| 14 | * As a special exception, the copyright holders of this software give |
| 15 | * you permission to link this software with independent modules, and |
| 16 | * to copy and distribute the resulting executable under terms of your |
| 17 | * choice, provided that you also meet, for each linked independent |
| 18 | * module, the terms and conditions of the license of that module. |
| 19 | * An independent module is a module which is not derived from this |
| 20 | * software. The special exception does not apply to any modifications |
| 21 | * of the software. |
| 22 | * |
| 23 | * Not withstanding the above, under no circumstances may you combine |
| 24 | * this software in any way with any other Broadcom software provided |
| 25 | * under a license other than the GPL, without Broadcom's express prior |
| 26 | * written consent. |
| 27 | * |
| 28 | * :> |
| 29 | * |
| 30 | *****************************************************************************/ |
| 31 | |
| 32 | /* Define the top level Doxygen groups. */ |
| 33 | |
| 34 | /** |
| 35 | * @defgroup core BAL Core Engine |
| 36 | * |
| 37 | * @defgroup apps BAL Utils |
| 38 | * |
| 39 | * @defgroup lib BAL Libraries |
| 40 | * |
| 41 | */ |
| 42 | |
| 43 | /** |
| 44 | * @file bal_msg.h |
| 45 | * |
| 46 | * @brief Include files and miscellaneous macros for the BAL messaging |
| 47 | * |
| 48 | */ |
| 49 | |
| 50 | #ifndef BALMSG_H |
| 51 | #define BALMSG_H |
| 52 | |
| 53 | #include <bal_objs.h> |
| 54 | #include <bal_msg_type.h> |
| 55 | |
| 56 | |
| 57 | /******************************************************************* |
| 58 | ** |
| 59 | ** BAL message header helpers |
| 60 | ** |
| 61 | ******************************************************************* |
| 62 | */ |
| 63 | |
| 64 | /* |
| 65 | * Underlying msg_send timeout units in uS (micro seconds) |
| 66 | */ |
| 67 | #define BCMBAL_MSG_TIMEOUT_1_SEC (1000000) |
| 68 | |
| 69 | /* |
| 70 | * Get a pointer to the message payload given the bcmos_msg pointer |
| 71 | */ |
| 72 | static inline void *bcmbal_payload_ptr_get(bal_comm_msg_hdr *_m) |
| 73 | { |
| 74 | /* payload starts from BAL communication header */ |
| 75 | return (void *)_m; |
| 76 | } |
| 77 | |
| 78 | /* |
| 79 | * Get a pointer to the BAL header given the message payload pointer |
| 80 | */ |
| 81 | static inline bal_comm_msg_hdr *bcmbal_bal_hdr_get(void *_msg_payload_ptr) |
| 82 | { |
| 83 | /* payload starts from BAL communication header */ |
| 84 | return (bal_comm_msg_hdr *)_msg_payload_ptr; |
| 85 | } |
| 86 | |
| 87 | /* |
| 88 | * Get a pointer to the BAL header given the bcmos header pointer |
| 89 | */ |
| 90 | static inline bal_comm_msg_hdr *bcmbal_bal_hdr_get_by_bcmos_hdr(bcmos_msg *m) |
| 91 | { |
| 92 | return container_of(m, bal_comm_msg_hdr, m); |
| 93 | } |
| 94 | |
| 95 | /* |
| 96 | * Get a pointer to the BCMOS header given the message payload pointer |
| 97 | */ |
| 98 | static inline bcmos_msg *bcmbal_bcmos_hdr_get(void *_msg_payload_ptr) |
| 99 | { |
| 100 | return &(bcmbal_bal_hdr_get(_msg_payload_ptr)->m); |
| 101 | } |
| 102 | |
| 103 | /* |
| 104 | * Set the BAL header parameters given the message payload pointer |
| 105 | */ |
| 106 | static inline void bcmbal_msg_hdr_set(void *_msg_payload_ptr, |
| 107 | bcmos_msg_id _type_major, |
| 108 | bcmbal_msg_type _type_minor, |
| 109 | bal_subsystem _sender_subsys, |
| 110 | bcmbal_obj_id _msg_id_obj, |
| 111 | uint16_t _msg_id_oper, |
| 112 | uint32_t _ex_id) |
| 113 | { |
| 114 | bcmos_msg *os_msg = bcmbal_bcmos_hdr_get(_msg_payload_ptr); |
| 115 | bal_comm_msg_hdr *bal_hdr = bcmbal_bal_hdr_get(_msg_payload_ptr); |
| 116 | |
| 117 | /* |
| 118 | * set up the bcmos_msg header fields |
| 119 | */ |
| 120 | os_msg->data = (void *)((char *)(bcmbal_bcmos_hdr_get(_msg_payload_ptr)) + sizeof(bcmos_msg)); |
| 121 | os_msg->start = os_msg->data; |
| 122 | os_msg->type = _type_major; |
| 123 | os_msg->instance = 0; |
| 124 | os_msg->sender = BCMOS_MODULE_ID_NONE; /* doesn't matter */ |
| 125 | |
| 126 | /* |
| 127 | * set up the bal msg header fields |
| 128 | */ |
| 129 | bal_hdr->version_major = BAL_HDR_VERSION_MAJOR; |
| 130 | bal_hdr->version_minor = BAL_HDR_VERSION_MINOR; |
| 131 | bal_hdr->msg_type = _type_minor; |
| 132 | bal_hdr->msg_id = ((bal_hdr->msg_id & 0x0000FFFF) | ((_msg_id_oper & 0x0000FFFF) << 16)); |
| 133 | bal_hdr->msg_id = ((bal_hdr->msg_id & 0xFFFF0000) | (_msg_id_obj & 0x0000FFFF)); |
| 134 | bal_hdr->ex_id = _ex_id; |
| 135 | bal_hdr->sender = _sender_subsys; |
| 136 | bal_hdr->timestamp = bcmos_timestamp(); |
| 137 | } |
| 138 | |
| 139 | /* |
| 140 | * Get the sender field in the BAL header given the message pointer |
| 141 | */ |
| 142 | static inline bal_subsystem bcmbal_sender_get(void *_msg_payload_ptr) |
| 143 | { |
| 144 | return bcmbal_bal_hdr_get(_msg_payload_ptr)->sender; |
| 145 | } |
| 146 | |
| 147 | /* |
| 148 | * Set the sender field in the BAL header given the message pointer |
| 149 | */ |
| 150 | static inline void bcmbal_sender_set(void *_msg_payload_ptr, bal_subsystem _sender_subsys) |
| 151 | { |
| 152 | bcmbal_bal_hdr_get(_msg_payload_ptr)->sender = _sender_subsys; |
| 153 | } |
| 154 | |
| 155 | /* |
| 156 | * Get the top level type field in the BAL header given the message pointer |
| 157 | */ |
| 158 | static inline bcmos_msg_id bcmbal_type_major_get(void *_msg_payload_ptr) |
| 159 | { |
| 160 | return bcmbal_bcmos_hdr_get(_msg_payload_ptr)->type; |
| 161 | } |
| 162 | |
| 163 | /* |
| 164 | * Set the top level type field in the BAL header given the message pointer |
| 165 | */ |
| 166 | static inline void bcmbal_type_major_set(void *_msg_payload_ptr, bcmos_msg_id _type_major) |
| 167 | { |
| 168 | bcmbal_bcmos_hdr_get(_msg_payload_ptr)->type = _type_major; |
| 169 | } |
| 170 | |
| 171 | /* |
| 172 | * Get the inner type field in the BAL header given the message pointer |
| 173 | */ |
| 174 | static inline bcmbal_msg_type bcmbal_type_minor_get(void *_msg_payload_ptr) |
| 175 | { |
| 176 | return bcmbal_bal_hdr_get(_msg_payload_ptr)->msg_type; |
| 177 | } |
| 178 | |
| 179 | /* |
| 180 | * Set the inner type field in the BAL header given the message pointer |
| 181 | */ |
| 182 | static inline void bcmbal_type_minor_set(void *_msg_payload_ptr, bcmbal_msg_type _type_minor) |
| 183 | { |
| 184 | bcmbal_bal_hdr_get(_msg_payload_ptr)->msg_type = _type_minor; |
| 185 | } |
| 186 | |
| 187 | |
| 188 | /* |
| 189 | * Get the msg_id_oper field in the BAL header given the message pointer |
| 190 | */ |
| 191 | static inline uint16_t bcmbal_msg_id_oper_get(void *_msg_payload_ptr) |
| 192 | { |
| 193 | return ((bcmbal_bal_hdr_get(_msg_payload_ptr)->msg_id & 0xFFFF0000) >> 16); |
| 194 | } |
| 195 | |
| 196 | /* |
| 197 | * Set the msg_id_oper field in the BAL header given the message pointer |
| 198 | */ |
| 199 | static inline void bcmbal_msg_id_oper_set(void *_msg_payload_ptr, uint16_t _msg_id_oper) |
| 200 | { |
| 201 | bcmbal_bal_hdr_get(_msg_payload_ptr)->msg_id = |
| 202 | ((bcmbal_bal_hdr_get(_msg_payload_ptr)->msg_id & 0x0000FFFF) | ((_msg_id_oper & 0x0000FFFF) << 16)); |
| 203 | } |
| 204 | |
| 205 | /* |
| 206 | * Get the msg_id_obj field in the BAL header given the message pointer |
| 207 | */ |
| 208 | static inline bcmbal_obj_id bcmbal_msg_id_obj_get(void *_msg_payload_ptr) |
| 209 | { |
| 210 | return (bcmbal_bal_hdr_get(_msg_payload_ptr)->msg_id & 0x0000FFFF ); |
| 211 | } |
| 212 | |
| 213 | /* |
| 214 | * Set the msg_id_obj field in the BAL header given the message pointer |
| 215 | */ |
| 216 | static inline void bcmbal_msg_id_obj_set(void *_msg_payload_ptr, bcmbal_obj_id _msg_id_obj) |
| 217 | { |
| 218 | bcmbal_bal_hdr_get(_msg_payload_ptr)->msg_id = |
| 219 | ((bcmbal_bal_hdr_get(_msg_payload_ptr)->msg_id & 0xFFFF0000) | (_msg_id_obj & 0x0000FFFF)); |
| 220 | } |
| 221 | |
| 222 | /* |
| 223 | * Get the ex_id field in the BAL header given the message pointer |
| 224 | */ |
| 225 | static inline uint32_t bcmbal_ex_id_get(void *_msg_payload_ptr) |
| 226 | { |
| 227 | return bcmbal_bal_hdr_get(_msg_payload_ptr)->ex_id; |
| 228 | } |
| 229 | |
| 230 | /* |
| 231 | * Set the ex_id field in the BAL header given the message pointer |
| 232 | */ |
| 233 | static inline void bcmbal_ex_id_set(void *_msg_payload_ptr, uint32_t _ex_id) |
| 234 | { |
| 235 | bcmbal_bal_hdr_get(_msg_payload_ptr)->ex_id = _ex_id; |
| 236 | } |
| 237 | |
| 238 | /* |
| 239 | * Get the major version field in the BAL header given the message pointer |
| 240 | */ |
| 241 | static inline uint16_t bcmbal_major_version_get(void *_msg_payload_ptr) |
| 242 | { |
| 243 | return bcmbal_bal_hdr_get(_msg_payload_ptr)->version_major; |
| 244 | } |
| 245 | |
| 246 | /* |
| 247 | * Set the major version field in the BAL header given the message pointer |
| 248 | */ |
| 249 | static inline void bcmbal_major_version_set(void *_msg_payload_ptr, uint16_t _version_major) |
| 250 | { |
| 251 | bcmbal_bal_hdr_get(_msg_payload_ptr)->version_major = _version_major; |
| 252 | } |
| 253 | |
| 254 | /* |
| 255 | * Get the minor version field in the BAL header given the message pointer |
| 256 | */ |
| 257 | static inline uint16_t bcmbal_minor_version_get(void *_msg_payload_ptr) |
| 258 | { |
| 259 | return bcmbal_bal_hdr_get(_msg_payload_ptr)->version_minor; |
| 260 | } |
| 261 | |
| 262 | /* |
| 263 | * Set the minor version field in the BAL header given the message pointer |
| 264 | */ |
| 265 | static inline void bcmbal_minor_version_set(void *_msg_payload_ptr, uint16_t _version_major) |
| 266 | { |
| 267 | bcmbal_bal_hdr_get(_msg_payload_ptr)->version_major = _version_major; |
| 268 | } |
| 269 | |
| 270 | /* |
| 271 | * Get the scratchpad field in the BAL header given the message pointer |
| 272 | */ |
| 273 | static inline void *bcmbal_scratchpad_get(void *_msg_payload_ptr) |
| 274 | { |
| 275 | return bcmbal_bal_hdr_get(_msg_payload_ptr)->scratchpad; |
| 276 | } |
| 277 | |
| 278 | /* |
| 279 | * Set the scratchpad field in the BAL header given the message pointer |
| 280 | */ |
| 281 | static inline void bcmbal_scratchpad_set(void *_msg_payload_ptr, void *_scratchpad) |
| 282 | { |
| 283 | bcmbal_bal_hdr_get(_msg_payload_ptr)->scratchpad = _scratchpad; |
| 284 | } |
| 285 | |
| 286 | /* |
| 287 | * Allocate a BAL message given the payload pointer |
| 288 | */ |
| 289 | static inline void *bcmbal_msg_calloc(uint32_t _msg_payload_size) |
| 290 | { |
| 291 | /* Payload includes comm header */ |
| 292 | bal_comm_msg_hdr *m = bcmos_calloc(_msg_payload_size); |
| 293 | if (NULL == m) |
| 294 | return NULL; |
| 295 | return bcmbal_payload_ptr_get(m); |
| 296 | } |
| 297 | |
| 298 | /* |
| 299 | * Free a BAL message given the payload pointer |
| 300 | */ |
| 301 | static inline void bcmbal_msg_free(void *msg) |
| 302 | { |
| 303 | return bcmos_msg_free(bcmbal_bcmos_hdr_get(msg)); |
| 304 | } |
| 305 | |
| 306 | /* |
| 307 | * External functions implemented in bal_msg.c |
| 308 | */ |
| 309 | |
| 310 | /* |
| 311 | * Clone BAL message |
| 312 | * Returns payload_ptr of the clone |
| 313 | */ |
| 314 | void *bcmbal_msg_clone(void *bal_obj); |
| 315 | |
| 316 | /* |
| 317 | * Send a BAL message given the payload pointer |
| 318 | */ |
| 319 | bcmos_errno bcmbal_msg_send(bcmos_msg_queue *queue, void *msg_payload, bcmos_msg_send_flags flags); |
| 320 | |
| 321 | /* |
| 322 | * Call callback in the context of the target module and pass it the BAL message pointer |
| 323 | */ |
| 324 | bcmos_errno bcmbal_msg_call(void *msg_payload, bcmos_module_id module, F_bcmos_msg_handler cb, bcmos_msg_send_flags flags); |
| 325 | |
| 326 | /* |
| 327 | * Receive a BAL message given the payload pointer |
| 328 | * |
| 329 | * NOTE: The timeout argument is in units of uS (micro seconds). Use the #defined timeout values above. |
| 330 | * |
| 331 | */ |
| 332 | bcmos_errno bcmbal_msg_recv(bcmos_msg_queue *queue, uint32_t timeout, void **msg_payload); |
| 333 | |
| 334 | /** Get packed bal_comm_msg_hdr length */ |
| 335 | int32_t bcmbal_bal_msg_hdr_get_packed_length(void); |
| 336 | |
| 337 | /** Pack a BAL message header to a byte stream */ |
| 338 | bcmos_errno bcmbal_bal_msg_hdr_pack(const bal_comm_msg_hdr *msg, bcmbal_buf *buf); |
| 339 | |
| 340 | /** Unpack a BAL message header from a byte stream */ |
| 341 | bcmos_errno bcmbal_bal_msg_hdr_unpack(bal_comm_msg_hdr *msg, bcmbal_buf *buf); |
| 342 | |
| 343 | /** Peek exchange_id in the received message without unpacking */ |
| 344 | bcmos_errno bcmbal_bal_msg_peek_ex_id(bcmos_msg *msg, uint32_t *ex_id); |
| 345 | |
| 346 | #endif /* #ifndef BALMSG_H */ |
| 347 | |
| 348 | |
| 349 | |