Re: [PATCH v2] iommu/amd: Add support to indicate whether DMA remap support is enabled

[kernel test robot <lkp@intel.com>]

Hi Mario,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on joro-iommu/next]
[also build test ERROR on v5.17 next-20220318]
[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/Mario-Limonciello/iommu-amd-Add-support-to-indicate-whether-DMA-remap-support-is-enabled/20220319-063131
base:   https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next
config: x86_64-buildonly-randconfig-r004-20220321 (https://download.01.org/0day-ci/archive/20220321/202203211052.WEPydSQ9-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 85e9b2687a13d1908aa86d1b89c5ce398a06cd39)
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/0day-ci/linux/commit/105690537e561d997e376617aa6a7d6d7b74a6a6
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Mario-Limonciello/iommu-amd-Add-support-to-indicate-whether-DMA-remap-support-is-enabled/20220319-063131
        git checkout 105690537e561d997e376617aa6a7d6d7b74a6a6
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/iommu/amd/

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 >>):

>> drivers/iommu/amd/iommu.c:2165:7: error: use of undeclared identifier 'IOMMU_CAP_PRE_BOOT_PROTECTION'
           case IOMMU_CAP_PRE_BOOT_PROTECTION:
                ^
   1 error generated.


vim +/IOMMU_CAP_PRE_BOOT_PROTECTION +2165 drivers/iommu/amd/iommu.c

  2155	
  2156	static bool amd_iommu_capable(enum iommu_cap cap)
  2157	{
  2158		switch (cap) {
  2159		case IOMMU_CAP_CACHE_COHERENCY:
  2160			return true;
  2161		case IOMMU_CAP_INTR_REMAP:
  2162			return (irq_remapping_enabled == 1);
  2163		case IOMMU_CAP_NOEXEC:
  2164			return false;
> 2165		case IOMMU_CAP_PRE_BOOT_PROTECTION:
  2166			return amdr_ivrs_remap_support;
  2167		default:
  2168			break;
  2169		}
  2170	
  2171		return false;
  2172	}
  2173	

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