[zen:6.19/zen-sauce 4/34] drivers/pci/controller/intel-nvme-remap.c:47:21: error: field has incomplete type 'struct pci_sysdata'

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

tree:   https://github.com/zen-kernel/zen-kernel 6.19/zen-sauce
head:   d17b2b02b5cf029f5248299f56e4a0a041548604
commit: e79f96b70c040b0948a21e1421365406601215d8 [4/34] ZEN: PCI: Add Intel remapped NVMe device support
config: um-allmodconfig (https://download.01.org/0day-ci/archive/20260407/202604070132.aP3AbdnW-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260407/202604070132.aP3AbdnW-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/202604070132.aP3AbdnW-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/pci/controller/intel-nvme-remap.c:37:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:12:
   In file included from arch/um/include/asm/io.h:24:
   include/asm-generic/io.h:1209:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
    1209 |         return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
         |                                                   ~~~~~~~~~~ ^
>> drivers/pci/controller/intel-nvme-remap.c:47:21: error: field has incomplete type 'struct pci_sysdata'
      47 |         struct pci_sysdata      sysdata;
         |                                 ^
   drivers/pci/controller/intel-nvme-remap.c:47:9: note: forward declaration of 'struct pci_sysdata'
      47 |         struct pci_sysdata      sysdata;
         |                ^
   drivers/pci/controller/intel-nvme-remap.c:447:12: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
     447 |                 .class = PCI_CLASS_STORAGE_RAID << 8,
         |                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/pci_ids.h:23:33: note: expanded from macro 'PCI_CLASS_STORAGE_RAID'
      23 | #define PCI_CLASS_STORAGE_RAID          0x0104
         |                                         ^
   drivers/pci/controller/intel-nvme-remap.c:446:3: note: previous initialization is here
     446 |                 PCI_VDEVICE(INTEL, PCI_ANY_ID),
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/pci.h:1105:52: note: expanded from macro 'PCI_VDEVICE'
    1105 |         .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, 0, 0
         |                                                           ^
   drivers/pci/controller/intel-nvme-remap.c:448:17: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
     448 |                 .class_mask = 0xffffff00,
         |                               ^~~~~~~~~~
   drivers/pci/controller/intel-nvme-remap.c:446:3: note: previous initialization is here
     446 |                 PCI_VDEVICE(INTEL, PCI_ANY_ID),
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/pci.h:1105:55: note: expanded from macro 'PCI_VDEVICE'
    1105 |         .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, 0, 0
         |                                                              ^
   3 warnings and 1 error generated.


vim +47 drivers/pci/controller/intel-nvme-remap.c

    35	
    36	#include <linux/ahci-remap.h>
  > 37	#include <linux/irq.h>
    38	#include <linux/kernel.h>
    39	#include <linux/module.h>
    40	#include <linux/pci.h>
    41	
    42	#define AHCI_PCI_BAR_STANDARD 5
    43	
    44	struct nvme_remap_dev {
    45		struct pci_dev		*dev;		/* AHCI device */
    46		struct pci_bus		*bus;		/* our fake PCI bus */
  > 47		struct pci_sysdata	sysdata;
    48		int			irq_base;	/* our fake interrupts */
    49	
    50		/*
    51		 * When we detect an all-ones write to a BAR register, this flag
    52		 * is set, so that we return the BAR size on the next read (a
    53		 * standard PCI behaviour).
    54		 * This includes the assumption that an all-ones BAR write is
    55		 * immediately followed by a read of the same register.
    56		 */
    57		bool			bar_sizing;
    58	
    59		/*
    60		 * Resources copied from the AHCI device, to be regarded as
    61		 * resources on our fake bus.
    62		 */
    63		struct resource		ahci_resources[PCI_NUM_RESOURCES];
    64	
    65		/* Resources corresponding to the NVMe devices. */
    66		struct resource		remapped_dev_mem[AHCI_MAX_REMAP];
    67	
    68		/* Number of remapped NVMe devices found. */
    69		int			num_remapped_devices;
    70	};
    71	

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