[android-common:android15-6.6 1/1] arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:339:34: error: 'struct iommu_iotlb_gather' has no member named 'start'

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

Hi Mostafa,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android15-6.6
head:   e664677e9418d630e952f7610e1bef84d50949dd
commit: c220ef36a11e4fe05cc1e583f8e24d2a61541a87 [1/1] ANDROID: KVM: arm64: iommu: support iommu_iotlb_gather
config: arm64-randconfig-001-20250222 (https://download.01.org/0day-ci/archive/20250222/202502220606.GZTz4dtt-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250222/202502220606.GZTz4dtt-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502220606.GZTz4dtt-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:85:5: warning: no previous prototype for 'kvm_iommu_refill' [-Wmissing-prototypes]
      85 | int kvm_iommu_refill(struct kvm_hyp_memcache *host_mc)
         |     ^~~~~~~~~~~~~~~~
   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:90:6: warning: no previous prototype for 'kvm_iommu_reclaim' [-Wmissing-prototypes]
      90 | void kvm_iommu_reclaim(struct kvm_hyp_memcache *host_mc, int target)
         |      ^~~~~~~~~~~~~~~~~
   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:95:5: warning: no previous prototype for 'kvm_iommu_reclaimable' [-Wmissing-prototypes]
      95 | int kvm_iommu_reclaimable(void)
         |     ^~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c: In function 'kvm_iommu_iotlb_gather_is_disjoint':
   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:338:22: error: 'struct iommu_iotlb_gather' has no member named 'end'
     338 |         return gather->end != 0 &&
         |                      ^~
>> arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:339:34: error: 'struct iommu_iotlb_gather' has no member named 'start'
     339 |                 (end + 1 < gather->start || start > gather->end + 1);
         |                                  ^~
   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:339:59: error: 'struct iommu_iotlb_gather' has no member named 'end'
     339 |                 (end + 1 < gather->start || start > gather->end + 1);
         |                                                           ^~
   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c: In function 'kvm_iommu_iotlb_gather_add_range':
   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:347:19: error: 'struct iommu_iotlb_gather' has no member named 'start'
     347 |         if (gather->start > iova)
         |                   ^~
   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:348:23: error: 'struct iommu_iotlb_gather' has no member named 'start'
     348 |                 gather->start = iova;
         |                       ^~
   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:349:19: error: 'struct iommu_iotlb_gather' has no member named 'end'
     349 |         if (gather->end < end)
         |                   ^~
   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:350:23: error: 'struct iommu_iotlb_gather' has no member named 'end'
     350 |                 gather->end = end;
         |                       ^~
   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c: In function 'kvm_iommu_iotlb_gather_add_page':
>> arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:358:20: error: 'struct iommu_iotlb_gather' has no member named 'pgsize'
     358 |         if ((gather->pgsize && gather->pgsize != size) ||
         |                    ^~
   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:358:38: error: 'struct iommu_iotlb_gather' has no member named 'pgsize'
     358 |         if ((gather->pgsize && gather->pgsize != size) ||
         |                                      ^~
   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:362:15: error: 'struct iommu_iotlb_gather' has no member named 'pgsize'
     362 |         gather->pgsize = size;
         |               ^~


vim +339 arch/arm64/kvm/hyp/nvhe/iommu/iommu.c

   332	
   333	static bool kvm_iommu_iotlb_gather_is_disjoint(struct iommu_iotlb_gather *gather,
   334						       unsigned long iova, size_t size)
   335	{
   336		unsigned long start = iova, end = start + size - 1;
   337	
   338		return gather->end != 0 &&
 > 339			(end + 1 < gather->start || start > gather->end + 1);
   340	}
   341	
   342	static inline void kvm_iommu_iotlb_gather_add_range(struct iommu_iotlb_gather *gather,
   343							    unsigned long iova, size_t size)
   344	{
   345		unsigned long end = iova + size - 1;
   346	
   347		if (gather->start > iova)
   348			gather->start = iova;
   349		if (gather->end < end)
   350			gather->end = end;
   351	}
   352	
   353	void kvm_iommu_iotlb_gather_add_page(void *cookie,
   354					     struct iommu_iotlb_gather *gather,
   355					     unsigned long iova,
   356					     size_t size)
   357	{
 > 358		if ((gather->pgsize && gather->pgsize != size) ||
   359		    kvm_iommu_iotlb_gather_is_disjoint(gather, iova, size))
   360			kvm_iommu_iotlb_sync(cookie, gather);
   361	
   362		gather->pgsize = size;
   363		kvm_iommu_iotlb_gather_add_range(gather, iova, size);
   364	}
   365	

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