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Date: Thu, 16 Jun 2022 22:59:19 +0800
From: kernel test robot <lkp@...el.com>
To: Steve Wahl <steve.wahl@....com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org, 0day robot <lkp@...el.com>,
Kevin Tian <kevin.tian@...el.com>
Subject: include/linux/intel-iommu.h:531:28: error: use of undeclared
identifier 'CONFIG_DMAR_UNITS_SUPPORTED'
tree: https://github.com/intel-lab-lkp/linux/commits/UPDATE-20220616-024802/Steve-Wahl/iommu-vt-d-Increase-DMAR_UNITS_SUPPORTED/20220506-035321
head: 3e005e10e4d8627a55a987d047c19dba233ba66b
commit: 3e005e10e4d8627a55a987d047c19dba233ba66b iommu/vt-d: Make DMAR_UNITS_SUPPORTED a config setting
date: 20 hours ago
config: i386-randconfig-a011 (https://download.01.org/0day-ci/archive/20220616/202206162251.cVdwcud4-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project f0e608de27b3d568000046eebf3712ab542979d6)
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/3e005e10e4d8627a55a987d047c19dba233ba66b
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review UPDATE-20220616-024802/Steve-Wahl/iommu-vt-d-Increase-DMAR_UNITS_SUPPORTED/20220506-035321
git checkout 3e005e10e4d8627a55a987d047c19dba233ba66b
# 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=i386 SHELL=/bin/bash arch/x86/kvm/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from arch/x86/kvm/x86.c:44:
>> 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 arch/x86/kvm/x86.c:44:
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
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