[djiang:cxl/fwctl 20/25] ./usr/include/fwctl/cxl.h:33:36: error: field has incomplete type 'struct cxl_mbox_get_sup_feats_in'

[djiang:cxl/fwctl 20/25] ./usr/include/fwctl/cxl.h:33:36: error: field has incomplete type 'struct cxl_mbox_get_sup_feats_in'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/djiang/linux.git cxl/fwctl
head:   368060188b78ad57197303bbffb78081837a7481
commit: 43f78e702825a9d67bd762d83e72d7eec9b7f34e [20/25] cxl: Add support for fwctl RPC command to enable CXL feature commands
config: x86_64-buildonly-randconfig-001-20250214 (https://download.01.org/0day-ci/archive/20250214/202502141147.zSebquWh-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250214/202502141147.zSebquWh-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/202502141147.zSebquWh-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <built-in>:1:
>> ./usr/include/fwctl/cxl.h:33:36: error: field has incomplete type 'struct cxl_mbox_get_sup_feats_in'
      33 |                 struct cxl_mbox_get_sup_feats_in get_sup_feats_in;
         |                                                  ^
   ./usr/include/fwctl/cxl.h:13:8: note: forward declaration of 'struct cxl_mbox_get_sup_feats_in'
      13 | struct cxl_mbox_get_sup_feats_in;
         |        ^
>> ./usr/include/fwctl/cxl.h:50:37: error: field has incomplete type 'struct cxl_mbox_get_sup_feats_out'
      50 |                 struct cxl_mbox_get_sup_feats_out get_feats_out;
         |                                                   ^
   ./usr/include/fwctl/cxl.h:14:8: note: forward declaration of 'struct cxl_mbox_get_sup_feats_out'
      14 | struct cxl_mbox_get_sup_feats_out;
         |        ^
   2 errors generated.

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