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Thu, 12 May 2022 20:50:49 +0000 Date: Fri, 13 May 2022 04:50:13 +0800 From: kernel test robot To: Steve Wahl Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, 0day robot Subject: include/linux/intel-iommu.h:531:28: error: use of undeclared identifier 'CONFIG_DMAR_UNITS_SUPPORTED' Message-ID: <202205130438.4S9ZxIkJ-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://github.com/intel-lab-lkp/linux/commits/UPDATE-20220512-231415/Steve-Wahl/iommu-vt-d-Increase-DMAR_UNITS_SUPPORTED/20220506-035321 head: 70fc6f8ca45b69a710b82d38ef61ac43a73fef24 commit: 70fc6f8ca45b69a710b82d38ef61ac43a73fef24 iommu/vt-d: Make DMAR_UNITS_SUPPORTED a config setting date: 5 hours ago config: x86_64-randconfig-a005 (https://download.01.org/0day-ci/archive/20220513/202205130438.4S9ZxIkJ-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 9519dacab7b8afd537811fc2abaceb4d14f4e16a) 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 # https://github.com/intel-lab-lkp/linux/commit/70fc6f8ca45b69a710b82d38ef61ac43a73fef24 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review UPDATE-20220512-231415/Steve-Wahl/iommu-vt-d-Increase-DMAR_UNITS_SUPPORTED/20220506-035321 git checkout 70fc6f8ca45b69a710b82d38ef61ac43a73fef24 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/char/agp/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from drivers/char/agp/intel-gtt.c:23: >> include/linux/intel-iommu.h:531:28: error: use of undeclared identifier 'CONFIG_DMAR_UNITS_SUPPORTED' unsigned int iommu_refcnt[DMAR_UNITS_SUPPORTED]; ^ include/linux/dmar.h:21:30: note: expanded from macro 'DMAR_UNITS_SUPPORTED' #define DMAR_UNITS_SUPPORTED CONFIG_DMAR_UNITS_SUPPORTED ^ In file included from drivers/char/agp/intel-gtt.c:23: include/linux/intel-iommu.h:535:17: error: use of undeclared identifier 'CONFIG_DMAR_UNITS_SUPPORTED' u16 iommu_did[DMAR_UNITS_SUPPORTED]; ^ include/linux/dmar.h:21:30: note: expanded from macro 'DMAR_UNITS_SUPPORTED' #define DMAR_UNITS_SUPPORTED CONFIG_DMAR_UNITS_SUPPORTED ^ 2 errors generated. vim +/CONFIG_DMAR_UNITS_SUPPORTED +531 include/linux/intel-iommu.h b0d1f8741b8123 Jacob Pan 2020-05-16 527 9ddbfb42138d84 Lu Baolu 2018-07-14 528 struct dmar_domain { 9ddbfb42138d84 Lu Baolu 2018-07-14 529 int nid; /* node id */ 9ddbfb42138d84 Lu Baolu 2018-07-14 530 9739ba327c01e2 Parav Pandit 2021-06-10 @531 unsigned int iommu_refcnt[DMAR_UNITS_SUPPORTED]; 9ddbfb42138d84 Lu Baolu 2018-07-14 532 /* Refcount of devices per iommu */ 9ddbfb42138d84 Lu Baolu 2018-07-14 533 9ddbfb42138d84 Lu Baolu 2018-07-14 534 9ddbfb42138d84 Lu Baolu 2018-07-14 535 u16 iommu_did[DMAR_UNITS_SUPPORTED]; 9ddbfb42138d84 Lu Baolu 2018-07-14 536 /* Domain ids per IOMMU. Use u16 since 9ddbfb42138d84 Lu Baolu 2018-07-14 537 * domain ids are 16 bit wide according 9ddbfb42138d84 Lu Baolu 2018-07-14 538 * to VT-d spec, section 9.3 */ 9ddbfb42138d84 Lu Baolu 2018-07-14 539 1f106ff0ea2782 Parav Pandit 2021-06-10 540 u8 has_iotlb_device: 1; 1f106ff0ea2782 Parav Pandit 2021-06-10 541 u8 iommu_coherency: 1; /* indicate coherency of iommu access */ 6043257b1de069 Jason Gunthorpe 2022-04-11 542 u8 force_snooping : 1; /* Create IOPTEs with snoop control */ 1f106ff0ea2782 Parav Pandit 2021-06-10 543 9ddbfb42138d84 Lu Baolu 2018-07-14 544 struct list_head devices; /* all devices' list */ 9ddbfb42138d84 Lu Baolu 2018-07-14 545 struct iova_domain iovad; /* iova's that belong to this domain */ 9ddbfb42138d84 Lu Baolu 2018-07-14 546 9ddbfb42138d84 Lu Baolu 2018-07-14 547 struct dma_pte *pgd; /* virtual address */ 9ddbfb42138d84 Lu Baolu 2018-07-14 548 int gaw; /* max guest address width */ 9ddbfb42138d84 Lu Baolu 2018-07-14 549 9ddbfb42138d84 Lu Baolu 2018-07-14 550 /* adjusted guest address width, 0 is level 2 30-bit */ 9ddbfb42138d84 Lu Baolu 2018-07-14 551 int agaw; 9ddbfb42138d84 Lu Baolu 2018-07-14 552 9ddbfb42138d84 Lu Baolu 2018-07-14 553 int flags; /* flags to find out type of domain */ 9ddbfb42138d84 Lu Baolu 2018-07-14 554 int iommu_superpage;/* Level of superpages supported: 9ddbfb42138d84 Lu Baolu 2018-07-14 555 0 == 4KiB (no superpages), 1 == 2MiB, 9ddbfb42138d84 Lu Baolu 2018-07-14 556 2 == 1GiB, 3 == 512GiB, 4 == 1TiB */ 9ddbfb42138d84 Lu Baolu 2018-07-14 557 u64 max_addr; /* maximum mapped address */ 9ddbfb42138d84 Lu Baolu 2018-07-14 558 9ddbfb42138d84 Lu Baolu 2018-07-14 559 struct iommu_domain domain; /* generic domain data structure for 9ddbfb42138d84 Lu Baolu 2018-07-14 560 iommu core */ 9ddbfb42138d84 Lu Baolu 2018-07-14 561 }; 9ddbfb42138d84 Lu Baolu 2018-07-14 562 -- 0-DAY CI Kernel Test Service https://01.org/lkp