tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 65461ffb14372269f333f0e18867775c14741e76 commit: ad540a13eb8292fc92651b3bf281088a502a85f9 [2976/2976] virtcca feature: fix msi iova map config: arm64-randconfig-004-20251017 (https://download.01.org/0day-ci/archive/20251017/202510170815.7lnVu89P-lkp@i...) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 754ebc6ebb9fb9fbee7aef33478c74ea74949853) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251017/202510170815.7lnVu89P-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/202510170815.7lnVu89P-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/coda/coda.c:5: In file included from include/linux/kvm_host.h:16: In file included from include/linux/mm.h:2243: include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~

...

drivers/coda/coda.c:496:11: error: call to undeclared function 'dev_iommu_priv_get'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 496 | master = dev_iommu_priv_get(dev); | ^ drivers/coda/coda.c:496:11: note: did you mean 'dev_iommu_fwspec_get'? include/linux/iommu.h:1498:36: note: 'dev_iommu_fwspec_get' declared here 1498 | static inline struct iommu_fwspec *dev_iommu_fwspec_get(struct device *dev) | ^ drivers/coda/coda.c:496:9: error: incompatible integer to pointer conversion assigning to 'struct arm_smmu_master *' from 'int' [-Wint-conversion] 496 | master = dev_iommu_priv_get(dev); | ^ ~~~~~~~~~~~~~~~~~~~~~~~ drivers/coda/coda.c:478:5: warning: no previous prototype for function 'virtcca_secure_dev_operator' [-Wmissing-prototypes] 478 | int virtcca_secure_dev_operator(struct device *dev, void *domain) | ^ drivers/coda/coda.c:478:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 478 | int virtcca_secure_dev_operator(struct device *dev, void *domain) | ^ | static 2 warnings and 2 errors generated. -- In file included from drivers/coda/coda_vfio.c:5: In file included from include/linux/io-pgtable.h:6: In file included from include/linux/iommu.h:10: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:2243: include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ drivers/coda/coda_vfio.c:171:12: error: call to undeclared function 'iommu_pgsize'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 171 | pgsize = iommu_pgsize(domain, iova, paddr, size, &count); | ^ drivers/coda/coda_vfio.c:192:21: error: incomplete definition of type 'const struct iommu_domain_ops' 192 | if (ret == 0 && ops->iotlb_sync_map) { | ~~~^ include/linux/iommu.h:39:8: note: forward declaration of 'struct iommu_domain_ops' 39 | struct iommu_domain_ops; | ^ drivers/coda/coda_vfio.c:193:12: error: incomplete definition of type 'const struct iommu_domain_ops' 193 | ret = ops->iotlb_sync_map(domain, iova, size); | ~~~^ include/linux/iommu.h:39:8: note: forward declaration of 'struct iommu_domain_ops' 39 | struct iommu_domain_ops; | ^ drivers/coda/coda_vfio.c:257:12: error: call to undeclared function 'iommu_pgsize'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 257 | pgsize = iommu_pgsize(domain, iova, iova, size - unmapped, &count); | ^ drivers/coda/coda_vfio.c:323:5: warning: no previous prototype for function 'virtcca_set_dev_msi_addr' [-Wmissing-prototypes] 323 | int virtcca_set_dev_msi_addr(struct device *dev, void *iova) | ^ drivers/coda/coda_vfio.c:323:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 323 | int virtcca_set_dev_msi_addr(struct device *dev, void *iova) | ^ | static 2 warnings and 4 errors generated.

vim +/dev_iommu_priv_get +496 drivers/coda/coda.c 464 465 /** 466 * virtcca_secure_dev_operator - Implement security settings for corresponding devices 467 * targeting the secure smmu domain 468 * @domain: The handle of iommu_domain 469 * @dev: Secure device 470 * 471 * Returns: 472 * %0 if the domain does not need to enable secure or the domain 473 * successfully set up security features 474 * %-EINVAL if the smmu does not initialize secure state 475 * %-ENOMEM if the device create secure ste failed 476 * %-ENOENT if the device does not have fwspec 477 */ 478 int virtcca_secure_dev_operator(struct device *dev, void *domain) 479 { 480 int i, j; 481 int ret; 482 struct iommu_domain *iommu_domain = (struct iommu_domain *)domain; 483 struct iommu_fwspec *fwspec = NULL; 484 struct arm_smmu_device *smmu = NULL; 485 struct arm_smmu_domain *smmu_domain = NULL; 486 struct arm_smmu_master *master = NULL; 487 488 if (!is_virtcca_cvm_enable()) 489 return 0; 490 491 fwspec = dev_iommu_fwspec_get(dev); 492 if (!fwspec) 493 return -ENOENT; 494 495 smmu_domain = to_smmu_domain(iommu_domain);

496 master = dev_iommu_priv_get(dev); 497 smmu = master->smmu; 498 499 if (!smmu && !virtcca_smmu_enable(smmu)) { 500 dev_err(smmu->dev, "CoDA: security smmu not initialized for the device\n"); 501 return -EINVAL; 502 } 503 504 ret = virtcca_enable_secure_dev(smmu_domain, master, dev); 505 if (ret) 506 return ret; 507 508 for (i = 0; i < master->num_streams; i++) { 509 u32 sid = master->streams[i].id; 510 /* Bridged PCI devices may end up with duplicated IDs */ 511 for (j = 0; j < i; j++) 512 if (master->streams[j].id == sid) 513 break; 514 if (j < i) 515 continue; 516 if (virtcca_secure_dev_ste_create(smmu, master, sid)) 517 return -ENOMEM; 518 } 519 520 dev_info(smmu->dev, "CoDA: attach confidential dev: %s", dev_name(dev)); 521 522 return ret; 523 } 524 EXPORT_SYMBOL_GPL(virtcca_secure_dev_operator); 525

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