tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 04473ee9ed912a16fff0d8846ad565bbf3d63c77 commit: 641a2595f7f5a1b8c5a8ef8ae44b7318c7a6108e [3547/3547] crypto: ccp: support sm2 on Hygon generation 4th CPU config: x86_64-randconfig-122-20251217 (https://download.01.org/0day-ci/archive/20251221/202512210041.NZ084FEx-lkp@i...) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251221/202512210041.NZ084FEx-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512210041.NZ084FEx-lkp@intel.com/ sparse warnings: (new ones prefixed by >>)

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drivers/crypto/ccp/hygon/ccp-dev-v5.c:294:25: sparse: sparse: cast from restricted __le32 drivers/crypto/ccp/hygon/ccp-dev-v5.c:294:23: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] @@ got restricted __le32 [usertype] @@ drivers/crypto/ccp/hygon/ccp-dev-v5.c:294:23: sparse: expected unsigned int [usertype] drivers/crypto/ccp/hygon/ccp-dev-v5.c:294:23: sparse: got restricted __le32 [usertype] drivers/crypto/ccp/hygon/ccp-dev-v5.c:490:40: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] sm3_len_lo @@ got unsigned int [usertype] @@ drivers/crypto/ccp/hygon/ccp-dev-v5.c:490:40: sparse: expected restricted __le32 [usertype] sm3_len_lo drivers/crypto/ccp/hygon/ccp-dev-v5.c:490:40: sparse: got unsigned int [usertype] drivers/crypto/ccp/hygon/ccp-dev-v5.c:491:40: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] sm3_len_hi @@ got unsigned int [usertype] @@ drivers/crypto/ccp/hygon/ccp-dev-v5.c:491:40: sparse: expected restricted __le32 [usertype] sm3_len_hi drivers/crypto/ccp/hygon/ccp-dev-v5.c:491:40: sparse: got unsigned int [usertype]

vim +294 drivers/crypto/ccp/hygon/ccp-dev-v5.c 274 275 static int ccp5_do_multi_cmds(struct ccp5_desc *desc, 276 struct ccp_cmd_queue *cmd_q) 277 { 278 u32 *mP; 279 __le32 *dP; 280 int i; 281 282 cmd_q->total_ops++; 283 284 if (CCP5_CMD_SOC(desc)) { 285 CCP5_CMD_IOC(desc) = 1; 286 CCP5_CMD_SOC(desc) = 0; 287 } 288 289 mutex_lock(&cmd_q->q_mutex); 290 291 mP = (u32 *) &cmd_q->qbase[cmd_q->qidx]; 292 dP = (__le32 *) desc; 293 for (i = 0; i < 8; i++)

294 mP[i] = cpu_to_le32(dP[i]); /* handle endianness */ 295 296 cmd_q->qidx = (cmd_q->qidx + 1) % CCP5_COMMANDS_PER_QUEUE; 297 298 mutex_unlock(&cmd_q->q_mutex); 299 300 return 0; 301 } 302 303 static int ccp5_do_run_cmd(struct ccp_op *op) 304 { 305 struct ccp_cmd_queue *cmd_q = op->cmd_q; 306 u32 tail; 307 int ret = 0; 308 309 mutex_lock(&cmd_q->q_mutex); 310 311 /* The data used by this command must be flushed to memory */ 312 wmb(); 313 314 /* Write the new tail address back to the queue register */ 315 tail = low_address(cmd_q->qdma_tail + cmd_q->qidx * Q_DESC_SIZE); 316 iowrite32(tail, cmd_q->reg_tail_lo); 317 318 /* Turn the queue back on using our cached control register */ 319 iowrite32(cmd_q->qcontrol | CMD5_Q_RUN, cmd_q->reg_control); 320 mutex_unlock(&cmd_q->q_mutex); 321 322 if (op->ioc) { 323 /* Wait for the job to complete */ 324 ret = wait_event_interruptible(cmd_q->int_queue, 325 cmd_q->int_rcvd); 326 if (ret || cmd_q->cmd_error) { 327 /* Log the error and flush the queue by 328 * moving the head pointer 329 */ 330 if (cmd_q->cmd_error) 331 ccp_log_error(cmd_q->ccp, cmd_q->cmd_error); 332 iowrite32(tail, cmd_q->reg_head_lo); 333 if (!ret) 334 ret = -EIO; 335 } 336 cmd_q->int_rcvd = 0; 337 } 338 339 return ret; 340 } 341 342 static int ccp5_do_cmd(struct ccp5_desc *desc, 343 struct ccp_cmd_queue *cmd_q) 344 { 345 __le32 *mP; 346 u32 *dP; 347 u32 tail; 348 int i; 349 int ret = 0; 350 351 cmd_q->total_ops++; 352 353 if (CCP5_CMD_SOC(desc)) { 354 CCP5_CMD_IOC(desc) = 1; 355 CCP5_CMD_SOC(desc) = 0; 356 } 357 mutex_lock(&cmd_q->q_mutex); 358 359 mP = (__le32 *)&cmd_q->qbase[cmd_q->qidx]; 360 dP = (u32 *)desc; 361 for (i = 0; i < 8; i++) 362 mP[i] = cpu_to_le32(dP[i]); /* handle endianness */ 363 364 cmd_q->qidx = (cmd_q->qidx + 1) % CCP5_COMMANDS_PER_QUEUE; 365 366 /* The data used by this command must be flushed to memory */ 367 wmb(); 368 369 /* Write the new tail address back to the queue register */ 370 tail = low_address(cmd_q->qdma_tail + cmd_q->qidx * Q_DESC_SIZE); 371 iowrite32(tail, cmd_q->reg_tail_lo); 372 373 /* Turn the queue back on using our cached control register */ 374 iowrite32(cmd_q->qcontrol | CMD5_Q_RUN, cmd_q->reg_control); 375 mutex_unlock(&cmd_q->q_mutex); 376 377 if (CCP5_CMD_IOC(desc)) { 378 /* Wait for the job to complete */ 379 ret = wait_event_interruptible(cmd_q->int_queue, 380 cmd_q->int_rcvd); 381 if (ret || cmd_q->cmd_error) { 382 /* Log the error and flush the queue by 383 * moving the head pointer 384 */ 385 if (cmd_q->cmd_error) 386 ccp_log_error(cmd_q->ccp, 387 cmd_q->cmd_error); 388 iowrite32(tail, cmd_q->reg_head_lo); 389 if (!ret) 390 ret = -EIO; 391 } 392 cmd_q->int_rcvd = 0; 393 } 394 395 return ret; 396 } 397 398 static int ccp5_perform_sm2(struct ccp_op *op) 399 { 400 struct ccp5_desc desc; 401 union ccp_function function; 402 struct ccp_dma_info *saddr = &op->src.u.dma; 403 struct ccp_dma_info *daddr = &op->dst.u.dma; 404 dma_addr_t kaddr; 405 unsigned int slen = saddr->length; 406 int ret = 0; 407 408 op->cmd_q->total_sm2_ops++; 409 410 memset(&desc, 0, Q_DESC_SIZE); 411 412 CCP5_CMD_ENGINE(&desc) = CCP_ENGINE_SM2; 413 414 CCP5_CMD_SOC(&desc) = 0; 415 CCP5_CMD_IOC(&desc) = 1; 416 CCP5_CMD_INIT(&desc) = 1; 417 CCP5_CMD_EOM(&desc) = 1; 418 CCP5_CMD_PROT(&desc) = 0; 419 420 function.raw = 0; 421 422 /* 423 * ccp support both sm2 and ecc, the rand,mode filed are different 424 * with previous, and run on ecc or sm2 also should be indicated 425 */ 426 if (op->cmd_q->ccp->support_sm2_ecc) { 427 ret = ccp5_get_keyinfo(op, &kaddr, &slen); 428 if (ret) 429 return ret; 430 431 CCP_SM2_ECC_RAND(&function) = op->u.sm2.rand; 432 CCP_SM2_ECC_MODE(&function) = op->u.sm2.mode; 433 CCP_SM2_ECC_ECC_MODE(&function) = 0; /* 0: SM2 1: ECC */ 434 } else { 435 CCP_SM2_RAND(&function) = op->u.sm2.rand; 436 CCP_SM2_MODE(&function) = op->u.sm2.mode; 437 } 438 439 CCP5_CMD_FUNCTION(&desc) = function.raw; 440 441 /* Length of source data must match with mode */ 442 CCP5_CMD_LEN(&desc) = slen; 443 CCP5_CMD_SRC_LO(&desc) = ccp_addr_lo(saddr); 444 CCP5_CMD_SRC_HI(&desc) = ccp_addr_hi(saddr); 445 CCP5_CMD_SRC_MEM(&desc) = CCP_MEMTYPE_SYSTEM; 446 447 CCP5_CMD_DST_LO(&desc) = ccp_addr_lo(daddr); 448 CCP5_CMD_DST_HI(&desc) = ccp_addr_hi(daddr); 449 CCP5_CMD_DST_MEM(&desc) = CCP_MEMTYPE_SYSTEM; 450 451 if (op->cmd_q->ccp->support_sm2_ecc && 452 op->u.sm2.mode != CCP_SM2_MODE_KG) { 453 CCP5_CMD_KEY_LO(&desc) = low_address(kaddr); 454 CCP5_CMD_KEY_HI(&desc) = high_address(kaddr); 455 CCP5_CMD_KEY_MEM(&desc) = CCP_MEMTYPE_SYSTEM; 456 } 457 458 return ccp5_do_cmd(&desc, op->cmd_q); 459 } 460 461 static int ccp5_perform_sm3(struct ccp_op *op) 462 { 463 struct ccp5_desc desc; 464 union ccp_function function; 465 466 op->cmd_q->total_sm3_ops++; 467 468 memset(&desc, 0, Q_DESC_SIZE); 469 470 CCP5_CMD_ENGINE(&desc) = CCP_ENGINE_SM3; 471 472 CCP5_CMD_SOC(&desc) = op->soc; 473 CCP5_CMD_IOC(&desc) = op->ioc; 474 CCP5_CMD_INIT(&desc) = op->init; 475 CCP5_CMD_EOM(&desc) = op->eom; 476 CCP5_CMD_PROT(&desc) = 0; 477 478 function.raw = 0; 479 CCP_SM3_TYPE(&function) = op->u.sm3.type; 480 CCP5_CMD_FUNCTION(&desc) = function.raw; 481 482 CCP5_CMD_LEN(&desc) = op->src.u.dma.length; 483 484 CCP5_CMD_SRC_LO(&desc) = ccp_addr_lo(&op->src.u.dma); 485 CCP5_CMD_SRC_HI(&desc) = ccp_addr_hi(&op->src.u.dma); 486 CCP5_CMD_SRC_MEM(&desc) = CCP_MEMTYPE_SYSTEM; 487 CCP5_CMD_LSB_ID(&desc) = op->sb_ctx; 488 489 if (op->eom) { 490 CCP5_CMD_SM3_LO(&desc) = lower_32_bits(op->u.sm3.msg_bits); 491 CCP5_CMD_SM3_HI(&desc) = upper_32_bits(op->u.sm3.msg_bits); 492 } 493 494 return ccp5_do_multi_cmds(&desc, op->cmd_q); 495 } 496

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