linux-kernel - Re: [PATCH v13 01/13] vfio: VFIO_IOMMU_SET_PASID

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Message-ID: <202104112247.txGemoW2-lkp@intel.com>
Date:   Sun, 11 Apr 2021 22:12:32 +0800
From:   kernel test robot <lkp@...el.com>
To:     Eric Auger <eric.auger@...hat.com>, eric.auger.pro@...il.com,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, kvmarm@...ts.cs.columbia.edu, will@...nel.org,
        maz@...nel.org, robin.murphy@....com, joro@...tes.org
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com
Subject: Re: [PATCH v13 01/13] vfio: VFIO_IOMMU_SET_PASID_TABLE

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@...el.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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