[PATCH v1 4/5] PCI: endpoint: Add NVMe endpoint function driver

[kernel test robot]

Hi Damien,

kernel test robot noticed the following build errors:

[auto build test ERROR on pci/next]
[also build test ERROR on pci/for-linus linus/master v6.12-rc2 next-20241009]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Damien-Le-Moal/nvmet-rename-and-move-nvmet_get_log_page_len/20241007-124428
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link:    https://lore.kernel.org/r/20241007044351.157912-5-dlemoal%40kernel.org
patch subject: [PATCH v1 4/5] PCI: endpoint: Add NVMe endpoint function driver
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20241010/202410101139.m5gNkCfL-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241010/202410101139.m5gNkCfL-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410101139.m5gNkCfL-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/pci/endpoint/functions/pci-epf-nvme.c:81:21: error: field has incomplete type 'struct pci_epc_map'
      81 |         struct pci_epc_map      pci_map;
         |                                 ^
   drivers/pci/endpoint/functions/pci-epf-nvme.c:81:9: note: forward declaration of 'struct pci_epc_map'
      81 |         struct pci_epc_map      pci_map;
         |                ^
>> drivers/pci/endpoint/functions/pci-epf-nvme.c:415:21: error: variable has incomplete type 'struct pci_epc_map'
     415 |         struct pci_epc_map map;
         |                            ^
   drivers/pci/endpoint/functions/pci-epf-nvme.c:81:9: note: forward declaration of 'struct pci_epc_map'
      81 |         struct pci_epc_map      pci_map;
         |                ^
>> drivers/pci/endpoint/functions/pci-epf-nvme.c:419:8: error: call to undeclared function 'pci_epc_mem_map'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     419 |         ret = pci_epc_mem_map(epf->epc, epf->func_no, epf->vfunc_no,
         |               ^
>> drivers/pci/endpoint/functions/pci-epf-nvme.c:438:2: error: call to undeclared function 'pci_epc_mem_unmap'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     438 |         pci_epc_mem_unmap(epf->epc, epf->func_no, epf->vfunc_no, &map);
         |         ^
   drivers/pci/endpoint/functions/pci-epf-nvme.c:1021:8: error: call to undeclared function 'pci_epc_mem_map'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    1021 |         ret = pci_epc_mem_map(epf->epc, epf->func_no, epf->vfunc_no,
         |               ^
   drivers/pci/endpoint/functions/pci-epf-nvme.c:1034:3: error: call to undeclared function 'pci_epc_mem_unmap'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    1034 |                 pci_epc_mem_unmap(epf->epc, epf->func_no, epf->vfunc_no,
         |                 ^
   drivers/pci/endpoint/functions/pci-epf-nvme.c:1047:2: error: call to undeclared function 'pci_epc_mem_unmap'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    1047 |         pci_epc_mem_unmap(epf->epc, epf->func_no, epf->vfunc_no,
         |         ^
   7 errors generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for MODVERSIONS
   Depends on [n]: MODULES [=y] && !COMPILE_TEST [=y]
   Selected by [y]:
   - RANDSTRUCT_FULL [=y] && (CC_HAS_RANDSTRUCT [=y] || GCC_PLUGINS [=n]) && MODULES [=y]


vim +81 drivers/pci/endpoint/functions/pci-epf-nvme.c

    69	
    70	/*
    71	 * Queue definition and mapping for the local PCI controller.
    72	 */
    73	struct pci_epf_nvme_queue {
    74		struct pci_epf_nvme	*epf_nvme;
    75	
    76		unsigned int		qflags;
    77		int			ref;
    78	
    79		phys_addr_t		pci_addr;
    80		size_t			pci_size;
  > 81		struct pci_epc_map	pci_map;
    82	
    83		u16			qid;
    84		u16			cqid;
    85		u16			size;
    86		u16			depth;
    87		u16			flags;
    88		u16			vector;
    89		u16			head;
    90		u16			tail;
    91		u16			phase;
    92		u32			db;
    93	
    94		size_t			qes;
    95	
    96		struct workqueue_struct	*cmd_wq;
    97		struct delayed_work	work;
    98		spinlock_t		lock;
    99		struct list_head	list;
   100	};
   101	

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