tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 62b846e657553d00552c1c71b6ecc26017eb1a9a commit: 72fe4978ee346c10869113410da1b61710dd8d8f [2117/2117] LoongArch: add iommu support config: loongarch-randconfig-r132-20250411 (https://download.01.org/0day-ci/archive/20250411/202504110226.FM6zQ8DE-lkp@i...) compiler: loongarch64-linux-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20250411/202504110226.FM6zQ8DE-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/202504110226.FM6zQ8DE-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/iommu/loongarch_iommu.c:108:9: sparse: sparse: symbol 'la_iommu_last_bdf' was not declared. Should it be static? drivers/iommu/loongarch_iommu.c:112:5: sparse: sparse: symbol 'loongarch_iommu_disable' was not declared. Should it be static? drivers/iommu/loongarch_iommu.c:130:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:130:15: sparse: expected void const volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:130:15: sparse: got void * drivers/iommu/loongarch_iommu.c:132:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:132:9: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:132:9: sparse: got void * drivers/iommu/loongarch_iommu.c:135:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:135:15: sparse: expected void const volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:135:15: sparse: got void * drivers/iommu/loongarch_iommu.c:137:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:137:9: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:137:9: sparse: got void * drivers/iommu/loongarch_iommu.c:150:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:150:15: sparse: expected void const volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:150:15: sparse: got void * drivers/iommu/loongarch_iommu.c:152:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:152:9: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:152:9: sparse: got void * drivers/iommu/loongarch_iommu.c:155:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:155:15: sparse: expected void const volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:155:15: sparse: got void * drivers/iommu/loongarch_iommu.c:157:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:157:9: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:157:9: sparse: got void * drivers/iommu/loongarch_iommu.c:160:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:160:15: sparse: expected void const volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:160:15: sparse: got void * drivers/iommu/loongarch_iommu.c:162:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:162:9: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:162:9: sparse: got void * drivers/iommu/loongarch_iommu.c:190:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:190:15: sparse: expected void const volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:190:15: sparse: got void * drivers/iommu/loongarch_iommu.c:193:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:193:9: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:193:9: sparse: got void * drivers/iommu/loongarch_iommu.c:196:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:196:15: sparse: expected void const volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:196:15: sparse: got void * drivers/iommu/loongarch_iommu.c:199:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:199:9: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:199:9: sparse: got void * drivers/iommu/loongarch_iommu.c:206:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:206:15: sparse: expected void const volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:206:15: sparse: got void * drivers/iommu/loongarch_iommu.c:306:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:306:17: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:306:17: sparse: got void * drivers/iommu/loongarch_iommu.c:310:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:310:17: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:310:17: sparse: got void * drivers/iommu/loongarch_iommu.c:312:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:312:23: sparse: expected void const volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:312:23: sparse: got void * drivers/iommu/loongarch_iommu.c:314:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:314:17: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:314:17: sparse: got void * drivers/iommu/loongarch_iommu.c:322:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:322:23: sparse: expected void const volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:322:23: sparse: got void * drivers/iommu/loongarch_iommu.c:325:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:325:17: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:325:17: sparse: got void * drivers/iommu/loongarch_iommu.c:327:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:327:23: sparse: expected void const volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:327:23: sparse: got void * drivers/iommu/loongarch_iommu.c:329:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:329:17: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:329:17: sparse: got void * drivers/iommu/loongarch_iommu.c:349:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:349:15: sparse: expected void const volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:349:15: sparse: got void * drivers/iommu/loongarch_iommu.c:352:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:352:9: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:352:9: sparse: got void * drivers/iommu/loongarch_iommu.c:610:6: sparse: sparse: symbol 'domain_deattach_iommu' was not declared. Should it be static? drivers/iommu/loongarch_iommu.c:651:28: sparse: sparse: symbol 'lookup_rlooptable' was not declared. Should it be static? drivers/iommu/loongarch_iommu.c:662:24: sparse: sparse: symbol 'find_iommu_by_dev' was not declared. Should it be static? drivers/iommu/loongarch_iommu.c:721:21: sparse: sparse: symbol 'la_iommu_probe_device' was not declared. Should it be static? drivers/iommu/loongarch_iommu.c:752:19: sparse: sparse: symbol 'get_iommu_info_from_dom' was not declared. Should it be static? drivers/iommu/loongarch_iommu.c:794:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:794:9: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:794:9: sparse: got void * drivers/iommu/loongarch_iommu.c:795:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:795:9: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:795:9: sparse: got void * drivers/iommu/loongarch_iommu.c:796:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/loongarch_iommu.c:796:9: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:796:9: sparse: got void * drivers/iommu/loongarch_iommu.c:1178:24: sparse: sparse: symbol 'la_iommu_ops' was not declared. Should it be static? drivers/iommu/loongarch_iommu.c:1197:24: sparse: sparse: symbol 'loongarch_get_iommu_by_devid' was not declared. Should it be static? drivers/iommu/loongarch_iommu.c:1215:6: sparse: sparse: symbol 'check_device_compat' was not declared. Should it be static? drivers/iommu/loongarch_iommu.c:1259:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *confbase @@ got void [noderef] __iomem * @@ drivers/iommu/loongarch_iommu.c:1259:25: sparse: expected void *confbase drivers/iommu/loongarch_iommu.c:1259:25: sparse: got void [noderef] __iomem *
drivers/iommu/loongarch_iommu.c:1292:22: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *confbase @@ drivers/iommu/loongarch_iommu.c:1292:22: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:1292:22: sparse: got void *confbase drivers/iommu/loongarch_iommu.c:1319:30: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *confbase @@ drivers/iommu/loongarch_iommu.c:1319:30: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/loongarch_iommu.c:1319:30: sparse: got void *confbase drivers/iommu/loongarch_iommu.c:1344:28: sparse: sparse: symbol 'create_rlookup_entry' was not declared. Should it be static?
vim +1292 drivers/iommu/loongarch_iommu.c 1223 1224 static int loongarch_iommu_probe(struct pci_dev *pdev, 1225 const struct pci_device_id *ent) 1226 { 1227 int ret = 1; 1228 int bitmap_sz = 0; 1229 int tmp; 1230 bool compat = false; 1231 struct loongarch_iommu *iommu = NULL; 1232 resource_size_t base, size; 1233 1234 iommu = loongarch_get_iommu_by_devid(pdev); 1235 if (iommu == NULL) { 1236 pci_info(pdev, "%s can't find iommu\n", __func__); 1237 return -ENODEV; 1238 } 1239 1240 compat = check_device_compat(pdev); 1241 if (!compat) { 1242 pci_info(pdev, 1243 "%s The iommu driver is not compatible with this device\n", 1244 __func__); 1245 return -ENODEV; 1246 } 1247 1248 iommu->pdev = pdev; 1249 base = pci_resource_start(pdev, 0); 1250 size = pci_resource_len(pdev, 0); 1251 if (!request_mem_region(base, size, "loongarch_iommu")) { 1252 pci_err(pdev, 1253 "%d can't reserve mmio registers base %llx size %llx\n", 1254 __LINE__, base, size); 1255 return -ENOMEM; 1256 } 1257 iommu->confbase_phy = base; 1258 iommu->conf_size = size; 1259 iommu->confbase = ioremap(base, size); 1260 if (iommu->confbase == NULL) { 1261 pci_info(pdev, "%s iommu pci dev bar0 is NULL\n", __func__); 1262 return ret; 1263 } 1264 1265 pr_info("iommu confbase %llx pgtsize %llx\n", 1266 (u64)iommu->confbase, size); 1267 tmp = MAX_DOMAIN_ID / 8; 1268 bitmap_sz = (MAX_DOMAIN_ID % 8) ? (tmp + 1) : tmp; 1269 iommu->domain_bitmap = bitmap_zalloc(bitmap_sz, GFP_KERNEL); 1270 if (iommu->domain_bitmap == NULL) { 1271 pr_err("LA-IOMMU: domain bitmap alloc err bitmap_sz:%d\n", 1272 bitmap_sz); 1273 goto out_err; 1274 } 1275 1276 tmp = MAX_ATTACHED_DEV_ID / 8; 1277 bitmap_sz = (MAX_ATTACHED_DEV_ID % 8) ? (tmp + 1) : tmp; 1278 iommu->devtable_bitmap = bitmap_zalloc(bitmap_sz, GFP_KERNEL); 1279 if (iommu->devtable_bitmap == NULL) { 1280 pr_err("LA-IOMMU: devtable bitmap alloc err bitmap_sz:%d\n", 1281 bitmap_sz); 1282 goto out_err_1; 1283 } 1284 1285 ret = iommu_device_sysfs_add(&iommu->iommu_dev, &pdev->dev, 1286 NULL, "ivhd-%#x", iommu->devid); 1287 iommu_device_register(&iommu->iommu_dev, &la_iommu_ops, NULL); 1288 return 0; 1289 1290 out_err_1: 1291 iommu->pdev = NULL;
1292 iounmap(iommu->confbase); 1293 iommu->confbase = NULL; 1294 release_mem_region(iommu->confbase_phy, iommu->conf_size); 1295 iommu->confbase_phy = 0; 1296 iommu->conf_size = 0; 1297 kfree(iommu->domain_bitmap); 1298 iommu->domain_bitmap = NULL; 1299 out_err: 1300 return ret; 1301 } 1302
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