tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: be758a5796c3d280deb877699c41fd0cd04e1deb commit: 62c8d269e7acb9171be225e1f9ebd52c718a0cc0 [2909/2909] Reapply "VirtCCA: cvm support UEFI boot" config: arm64-randconfig-r121-20250923 (https://download.01.org/0day-ci/archive/20250923/202509231602.0wZbxID6-lkp@i...) compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250923/202509231602.0wZbxID6-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/202509231602.0wZbxID6-lkp@intel.com/ sparse warnings: (new ones prefixed by >>)

...

arch/arm64/kvm/virtcca_cvm.c:992:5: sparse: sparse: symbol 'kvm_cvm_vgic_nr_lr' was not declared. Should it be static? arch/arm64/kvm/virtcca_cvm.c:1311:5: sparse: sparse: symbol 'cvm_arm_smmu_domain_set_kvm' was not declared. Should it be static?

vim +/kvm_cvm_vgic_nr_lr +992 arch/arm64/kvm/virtcca_cvm.c 67e11ee6347c43 Jingxian He 2024-08-03 824 86b9cab8c4752e gongchangsui 2025-03-03 @825 u64 virtcca_get_tmi_version(void) 86b9cab8c4752e gongchangsui 2025-03-03 826 { 86b9cab8c4752e gongchangsui 2025-03-03 827 u64 res = tmi_version(); 86b9cab8c4752e gongchangsui 2025-03-03 828 86b9cab8c4752e gongchangsui 2025-03-03 829 if (res == SMCCC_RET_NOT_SUPPORTED) 86b9cab8c4752e gongchangsui 2025-03-03 830 return 0; 86b9cab8c4752e gongchangsui 2025-03-03 831 return res; 86b9cab8c4752e gongchangsui 2025-03-03 832 } 86b9cab8c4752e gongchangsui 2025-03-03 833 67e11ee6347c43 Jingxian He 2024-08-03 834 static bool is_numa_ipa_range_valid(struct kvm_numa_info *numa_info) 67e11ee6347c43 Jingxian He 2024-08-03 835 { 67e11ee6347c43 Jingxian He 2024-08-03 836 unsigned long i; 67e11ee6347c43 Jingxian He 2024-08-03 837 struct kvm_numa_node *numa_node, *prev_numa_node; 67e11ee6347c43 Jingxian He 2024-08-03 838 67e11ee6347c43 Jingxian He 2024-08-03 839 prev_numa_node = NULL; 67e11ee6347c43 Jingxian He 2024-08-03 840 for (i = 0; i < numa_info->numa_cnt; i++) { 67e11ee6347c43 Jingxian He 2024-08-03 841 numa_node = &numa_info->numa_nodes[i]; 67e11ee6347c43 Jingxian He 2024-08-03 842 if (numa_node->ipa_start + numa_node->ipa_size < numa_node->ipa_start) 67e11ee6347c43 Jingxian He 2024-08-03 843 return false; 67e11ee6347c43 Jingxian He 2024-08-03 844 if (prev_numa_node && 67e11ee6347c43 Jingxian He 2024-08-03 845 numa_node->ipa_start < prev_numa_node->ipa_start + prev_numa_node->ipa_size) 67e11ee6347c43 Jingxian He 2024-08-03 846 return false; 67e11ee6347c43 Jingxian He 2024-08-03 847 prev_numa_node = numa_node; 67e11ee6347c43 Jingxian He 2024-08-03 848 } 67e11ee6347c43 Jingxian He 2024-08-03 849 if (numa_node->ipa_start + numa_node->ipa_size > CVM_IPA_MAX_VAL) 67e11ee6347c43 Jingxian He 2024-08-03 850 return false; 67e11ee6347c43 Jingxian He 2024-08-03 851 return true; 67e11ee6347c43 Jingxian He 2024-08-03 852 } 67e11ee6347c43 Jingxian He 2024-08-03 853 67773feaf93305 gongchangsui 2025-03-04 854 static inline bool is_dtb_info_has_extend_data(u64 dtb_info) 67773feaf93305 gongchangsui 2025-03-04 855 { 67773feaf93305 gongchangsui 2025-03-04 856 return dtb_info & 0x1; 67773feaf93305 gongchangsui 2025-03-04 857 } 67773feaf93305 gongchangsui 2025-03-04 858 67e11ee6347c43 Jingxian He 2024-08-03 859 int kvm_load_user_data(struct kvm *kvm, unsigned long arg) 67e11ee6347c43 Jingxian He 2024-08-03 860 { 67e11ee6347c43 Jingxian He 2024-08-03 861 struct kvm_user_data user_data; 67e11ee6347c43 Jingxian He 2024-08-03 862 void __user *argp = (void __user *)arg; 67e11ee6347c43 Jingxian He 2024-08-03 863 struct virtcca_cvm *cvm = kvm->arch.virtcca_cvm; 67e11ee6347c43 Jingxian He 2024-08-03 864 struct kvm_numa_info *numa_info; 67e11ee6347c43 Jingxian He 2024-08-03 865 befbde867291b5 He Jingxian 2025-04-07 866 if (!kvm_is_realm(kvm)) 67e11ee6347c43 Jingxian He 2024-08-03 867 return -EFAULT; 67e11ee6347c43 Jingxian He 2024-08-03 868 67e11ee6347c43 Jingxian He 2024-08-03 869 if (copy_from_user(&user_data, argp, sizeof(user_data))) 67e11ee6347c43 Jingxian He 2024-08-03 870 return -EINVAL; 67e11ee6347c43 Jingxian He 2024-08-03 871 67e11ee6347c43 Jingxian He 2024-08-03 872 numa_info = &user_data.numa_info; 67e11ee6347c43 Jingxian He 2024-08-03 873 if (numa_info->numa_cnt > MAX_NUMA_NODE) 67e11ee6347c43 Jingxian He 2024-08-03 874 return -EINVAL; 67e11ee6347c43 Jingxian He 2024-08-03 875 67e11ee6347c43 Jingxian He 2024-08-03 876 if (numa_info->numa_cnt > 0) { 67e11ee6347c43 Jingxian He 2024-08-03 877 unsigned long i, total_size = 0; 67e11ee6347c43 Jingxian He 2024-08-03 878 struct kvm_numa_node *numa_node = &numa_info->numa_nodes[0]; 67e11ee6347c43 Jingxian He 2024-08-03 879 unsigned long ipa_end = numa_node->ipa_start + numa_node->ipa_size; 67e11ee6347c43 Jingxian He 2024-08-03 880 67e11ee6347c43 Jingxian He 2024-08-03 881 if (!is_numa_ipa_range_valid(numa_info)) 67e11ee6347c43 Jingxian He 2024-08-03 882 return -EINVAL; 67773feaf93305 gongchangsui 2025-03-04 883 67773feaf93305 gongchangsui 2025-03-04 884 if ((user_data.loader_start != numa_node->ipa_start) || 67773feaf93305 gongchangsui 2025-03-04 885 (user_data.data_start + user_data.data_size < user_data.data_start)) 67e11ee6347c43 Jingxian He 2024-08-03 886 return -EINVAL; 67773feaf93305 gongchangsui 2025-03-04 887 67773feaf93305 gongchangsui 2025-03-04 888 if (is_dtb_info_has_extend_data(user_data.dtb_info)) { 67773feaf93305 gongchangsui 2025-03-04 889 /* Direct boot, check DTB address is in IPA range */ 67773feaf93305 gongchangsui 2025-03-04 890 if (user_data.data_start + user_data.data_size > ipa_end) 67773feaf93305 gongchangsui 2025-03-04 891 return -EINVAL; 67773feaf93305 gongchangsui 2025-03-04 892 } else { 67773feaf93305 gongchangsui 2025-03-04 893 /* 67773feaf93305 gongchangsui 2025-03-04 894 * UEFI boot, check MMIO address range is within the valid limit (less than 67773feaf93305 gongchangsui 2025-03-04 895 * loader_start) 67773feaf93305 gongchangsui 2025-03-04 896 */ 67773feaf93305 gongchangsui 2025-03-04 897 if (user_data.data_start + user_data.data_size > user_data.loader_start) 67773feaf93305 gongchangsui 2025-03-04 898 return -EINVAL; 67773feaf93305 gongchangsui 2025-03-04 899 } 67773feaf93305 gongchangsui 2025-03-04 900 67e11ee6347c43 Jingxian He 2024-08-03 901 for (i = 0; i < numa_info->numa_cnt; i++) 67e11ee6347c43 Jingxian He 2024-08-03 902 total_size += numa_info->numa_nodes[i].ipa_size; 67e11ee6347c43 Jingxian He 2024-08-03 903 if (total_size != user_data.ram_size) 67e11ee6347c43 Jingxian He 2024-08-03 904 return -EINVAL; 67e11ee6347c43 Jingxian He 2024-08-03 905 } 67e11ee6347c43 Jingxian He 2024-08-03 906 67773feaf93305 gongchangsui 2025-03-04 907 if (is_dtb_info_has_extend_data(user_data.dtb_info)) 67773feaf93305 gongchangsui 2025-03-04 908 cvm->dtb_end = user_data.data_start + user_data.data_size; 67773feaf93305 gongchangsui 2025-03-04 909 else { 67773feaf93305 gongchangsui 2025-03-04 910 cvm->dtb_end = user_data.loader_start + user_data.dtb_info; 67773feaf93305 gongchangsui 2025-03-04 911 cvm->mmio_start = user_data.data_start; 67773feaf93305 gongchangsui 2025-03-04 912 cvm->mmio_end = user_data.data_start + user_data.data_size; 67773feaf93305 gongchangsui 2025-03-04 913 } 67e11ee6347c43 Jingxian He 2024-08-03 914 67e11ee6347c43 Jingxian He 2024-08-03 915 cvm->loader_start = user_data.loader_start; 67e11ee6347c43 Jingxian He 2024-08-03 916 cvm->ram_size = user_data.ram_size; 67e11ee6347c43 Jingxian He 2024-08-03 917 memcpy(&cvm->numa_info, numa_info, sizeof(struct kvm_numa_info)); 67e11ee6347c43 Jingxian He 2024-08-03 918 67e11ee6347c43 Jingxian He 2024-08-03 919 return 0; 67e11ee6347c43 Jingxian He 2024-08-03 920 } 67e11ee6347c43 Jingxian He 2024-08-03 921 67e11ee6347c43 Jingxian He 2024-08-03 922 void kvm_cvm_vcpu_put(struct kvm_vcpu *vcpu) 67e11ee6347c43 Jingxian He 2024-08-03 923 { 67e11ee6347c43 Jingxian He 2024-08-03 924 kvm_timer_vcpu_put(vcpu); 67e11ee6347c43 Jingxian He 2024-08-03 925 kvm_vgic_put(vcpu); 67e11ee6347c43 Jingxian He 2024-08-03 926 vcpu->cpu = -1; 67e11ee6347c43 Jingxian He 2024-08-03 927 } 67e11ee6347c43 Jingxian He 2024-08-03 928 67e11ee6347c43 Jingxian He 2024-08-03 929 unsigned long cvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu, 67e11ee6347c43 Jingxian He 2024-08-03 930 unsigned long target_affinity, unsigned long lowest_affinity_level) 67e11ee6347c43 Jingxian He 2024-08-03 931 { 67e11ee6347c43 Jingxian He 2024-08-03 932 struct kvm_vcpu *target_vcpu; 67e11ee6347c43 Jingxian He 2024-08-03 933 67e11ee6347c43 Jingxian He 2024-08-03 934 if (lowest_affinity_level != 0) 67e11ee6347c43 Jingxian He 2024-08-03 935 return PSCI_RET_INVALID_PARAMS; 67e11ee6347c43 Jingxian He 2024-08-03 936 67e11ee6347c43 Jingxian He 2024-08-03 937 target_vcpu = kvm_mpidr_to_vcpu(vcpu->kvm, target_affinity); 67e11ee6347c43 Jingxian He 2024-08-03 938 if (!target_vcpu) 67e11ee6347c43 Jingxian He 2024-08-03 939 return PSCI_RET_INVALID_PARAMS; 67e11ee6347c43 Jingxian He 2024-08-03 940 befbde867291b5 He Jingxian 2025-04-07 941 cvm_psci_complete(vcpu, target_vcpu, PSCI_RET_SUCCESS); 67e11ee6347c43 Jingxian He 2024-08-03 942 return PSCI_RET_SUCCESS; 67e11ee6347c43 Jingxian He 2024-08-03 943 } 67e11ee6347c43 Jingxian He 2024-08-03 944 67e11ee6347c43 Jingxian He 2024-08-03 945 int kvm_cvm_vcpu_set_events(struct kvm_vcpu *vcpu, 67e11ee6347c43 Jingxian He 2024-08-03 946 bool serror_pending, bool ext_dabt_pending) 67e11ee6347c43 Jingxian He 2024-08-03 947 { befbde867291b5 He Jingxian 2025-04-07 948 struct tmi_tec_run *run = vcpu->arch.tec.run; 67e11ee6347c43 Jingxian He 2024-08-03 949 if (serror_pending) 67e11ee6347c43 Jingxian He 2024-08-03 950 return -EINVAL; 67e11ee6347c43 Jingxian He 2024-08-03 951 67e11ee6347c43 Jingxian He 2024-08-03 952 if (ext_dabt_pending) { befbde867291b5 He Jingxian 2025-04-07 953 if (!(run->enter.flags & REC_ENTER_FLAG_EMULATED_MMIO)) 67e11ee6347c43 Jingxian He 2024-08-03 954 return -EINVAL; befbde867291b5 He Jingxian 2025-04-07 955 run->enter.flags &= ~REC_ENTER_FLAG_EMULATED_MMIO; befbde867291b5 He Jingxian 2025-04-07 956 run->enter.flags |= REC_ENTER_FLAG_INJECT_SEA; 67e11ee6347c43 Jingxian He 2024-08-03 957 } 67e11ee6347c43 Jingxian He 2024-08-03 958 return 0; 67e11ee6347c43 Jingxian He 2024-08-03 959 } 67e11ee6347c43 Jingxian He 2024-08-03 960 67e11ee6347c43 Jingxian He 2024-08-03 961 int kvm_init_cvm_vm(struct kvm *kvm) 67e11ee6347c43 Jingxian He 2024-08-03 962 { 67e11ee6347c43 Jingxian He 2024-08-03 963 struct tmi_cvm_params *params; 67e11ee6347c43 Jingxian He 2024-08-03 964 struct virtcca_cvm *cvm; 67e11ee6347c43 Jingxian He 2024-08-03 965 67e11ee6347c43 Jingxian He 2024-08-03 966 if (kvm->arch.virtcca_cvm) { 67e11ee6347c43 Jingxian He 2024-08-03 967 kvm_info("cvm already create.\n"); 67e11ee6347c43 Jingxian He 2024-08-03 968 return 0; 67e11ee6347c43 Jingxian He 2024-08-03 969 } 67e11ee6347c43 Jingxian He 2024-08-03 970 67e11ee6347c43 Jingxian He 2024-08-03 971 cvm = (struct virtcca_cvm *)kzalloc(sizeof(struct virtcca_cvm), GFP_KERNEL_ACCOUNT); 67e11ee6347c43 Jingxian He 2024-08-03 972 if (!cvm) 67e11ee6347c43 Jingxian He 2024-08-03 973 return -ENOMEM; 67e11ee6347c43 Jingxian He 2024-08-03 974 67e11ee6347c43 Jingxian He 2024-08-03 975 kvm->arch.virtcca_cvm = cvm; 67e11ee6347c43 Jingxian He 2024-08-03 976 params = kzalloc(PAGE_SIZE, GFP_KERNEL_ACCOUNT); 67e11ee6347c43 Jingxian He 2024-08-03 977 if (!params) { 67e11ee6347c43 Jingxian He 2024-08-03 978 kfree(kvm->arch.virtcca_cvm); 67e11ee6347c43 Jingxian He 2024-08-03 979 kvm->arch.virtcca_cvm = NULL; 67e11ee6347c43 Jingxian He 2024-08-03 980 return -ENOMEM; 67e11ee6347c43 Jingxian He 2024-08-03 981 } 67e11ee6347c43 Jingxian He 2024-08-03 982 67e11ee6347c43 Jingxian He 2024-08-03 983 cvm->params = params; 67e11ee6347c43 Jingxian He 2024-08-03 984 WRITE_ONCE(cvm->state, CVM_STATE_NONE); 67e11ee6347c43 Jingxian He 2024-08-03 985 befbde867291b5 He Jingxian 2025-04-07 986 kvm_enable_virtcca_cvm(kvm); 67e11ee6347c43 Jingxian He 2024-08-03 987 return 0; 67e11ee6347c43 Jingxian He 2024-08-03 988 } a8078c65197c6f yangxiangkai 2024-09-10 989 befbde867291b5 He Jingxian 2025-04-07 990 extern struct vgic_global kvm_vgic_global_state; befbde867291b5 He Jingxian 2025-04-07 991 befbde867291b5 He Jingxian 2025-04-07 @992 u32 kvm_cvm_vgic_nr_lr(void) befbde867291b5 He Jingxian 2025-04-07 993 { befbde867291b5 He Jingxian 2025-04-07 994 return kvm_vgic_global_state.nr_lr; befbde867291b5 He Jingxian 2025-04-07 995 } befbde867291b5 He Jingxian 2025-04-07 996 :::::: The code at line 992 was first introduced by commit :::::: befbde867291b5bb068a97b17086ad20484b6068 VirtCCA: Adapt virtcca operations by cca_base. :::::: TO: He Jingxian <hejingxian@huawei.com> :::::: CC: Xu Raoqing <xuraoqing@huawei.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki