Re: [PATCH v13 01/13] vfio: VFIO_IOMMU_SET_PASID_TABLE

kernel test robot
2021-04-11T14:12:53Z

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Hi Eric,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on v5.12-rc6]
[also build test ERROR on next-20210409]
[cannot apply to vfio/next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Eric-Auger/SMMUv3-Nested-Stage-Setup-VFIO-part/20210411-195216
base: e49d033bddf5b565044e2abe4241353959bc9120
config: arm-randconfig-r003-20210411 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9829f5e6b1bca9b61efc629770d28bb9014dec45)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://github.com/0day-ci/linux/commit/0af9db19db29eb2a707b9e1ca4ff9e1a08a1c511
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Eric-Auger/SMMUv3-Nested-Stage-Setup-VFIO-part/20210411-195216
git checkout 0af9db19db29eb2a707b9e1ca4ff9e1a08a1c511
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

In file included from drivers/vfio/vfio.c:32:
In file included from include/linux/vfio.h:16:
>> include/uapi/linux/vfio.h:1226:34: error: field has incomplete type 'struct iommu_pasid_table_config'
struct iommu_pasid_table_config config; /* used on SET */
^
include/uapi/linux/vfio.h:1226:9: note: forward declaration of 'struct iommu_pasid_table_config'
struct iommu_pasid_table_config config; /* used on SET */
^
1 error generated.

vim +1226 include/uapi/linux/vfio.h

1211
1212 /*
1213 * VFIO_IOMMU_SET_PASID_TABLE - _IOWR(VFIO_TYPE, VFIO_BASE + 18,
1214 * struct vfio_iommu_type1_set_pasid_table)
1215 *
1216 * The SET operation passes a PASID table to the host while the
1217 * UNSET operation detaches the one currently programmed. It is
1218 * allowed to "SET" the table several times without unsetting as
1219 * long as the table config does not stay IOMMU_PASID_CONFIG_TRANSLATE.
1220 */
1221 struct vfio_iommu_type1_set_pasid_table {
1222 __u32 argsz;
1223 __u32 flags;
1224 #define VFIO_PASID_TABLE_FLAG_SET (1 << 0)
1225 #define VFIO_PASID_TABLE_FLAG_UNSET (1 << 1)
> 1226 struct iommu_pasid_table_config config; /* used on SET */
1227 };
1228

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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