Subject: Re: [PATCH net-next v3 04/14] sfc: evaluate vdpa support based on FW capability CLIENT_CMD_VF_PROXY

From: kernel test robot <[email-masked]>
Date: Thu, 6 Apr 2023 21:12:57 +0800

Hi Gautam,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Gautam-Dawar/sfc-add-function-personality-support-for-EF100-devices/20230406-151436
patch link:    https://lore.kernel.org/r/20230406065706.59664-5-gautam.dawar%40amd.com
patch subject: [PATCH net-next v3 04/14] sfc: evaluate vdpa support based on FW capability CLIENT_CMD_VF_PROXY
config: openrisc-randconfig-r025-20230403 (https://download.01.org/0day-ci/archive/20230406/[email-masked]/config)
compiler: or1k-linux-gcc (GCC) 12.1.0
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/1648cc5a817ed0b133554de429e9516dfdc18ddf
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Gautam-Dawar/sfc-add-function-personality-support-for-EF100-devices/20230406-151436
        git checkout 1648cc5a817ed0b133554de429e9516dfdc18ddf
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=openrisc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=openrisc SHELL=/bin/bash drivers/net/ethernet/sfc/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <[email-masked]>
| Link: https://lore.kernel.org/oe-kbuild-all/[email-masked]/

All errors (new ones prefixed by >>):

   drivers/net/ethernet/sfc/ef100_nic.c: In function 'efx_ef100_init_datapath_caps':
>> drivers/net/ethernet/sfc/ef100_nic.c:211:25: error: 'struct ef100_nic_data' has no member named 'vdpa_supported'
     211 |                 nic_data->vdpa_supported = efx->type->is_vf &&
         |                         ^~

vim +211 drivers/net/ethernet/sfc/ef100_nic.c

   164	
   165	static int efx_ef100_init_datapath_caps(struct efx_nic *efx)
   166	{
   167		MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CAPABILITIES_V7_OUT_LEN);
   168		struct ef100_nic_data *nic_data = efx->nic_data;
   169		u8 vi_window_mode;
   170		size_t outlen;
   171		int rc;
   172	
   173		BUILD_BUG_ON(MC_CMD_GET_CAPABILITIES_IN_LEN != 0);
   174	
   175		rc = efx_mcdi_rpc(efx, MC_CMD_GET_CAPABILITIES, NULL, 0,
   176				  outbuf, sizeof(outbuf), &outlen);
   177		if (rc)
   178			return rc;
   179		if (outlen < MC_CMD_GET_CAPABILITIES_V4_OUT_LEN) {
   180			netif_err(efx, drv, efx->net_dev,
   181				  "unable to read datapath firmware capabilities\n");
   182			return -EIO;
   183		}
   184	
   185		nic_data->datapath_caps = MCDI_DWORD(outbuf,
   186						     GET_CAPABILITIES_OUT_FLAGS1);
   187		nic_data->datapath_caps2 = MCDI_DWORD(outbuf,
   188						      GET_CAPABILITIES_V2_OUT_FLAGS2);
   189		if (outlen < MC_CMD_GET_CAPABILITIES_V7_OUT_LEN)
   190			nic_data->datapath_caps3 = 0;
   191		else
   192			nic_data->datapath_caps3 = MCDI_DWORD(outbuf,
   193							      GET_CAPABILITIES_V7_OUT_FLAGS3);
   194	
   195		vi_window_mode = MCDI_BYTE(outbuf,
   196					   GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE);
   197		rc = efx_mcdi_window_mode_to_stride(efx, vi_window_mode);
   198		if (rc)
   199			return rc;
   200	
   201		efx->num_mac_stats = MCDI_WORD(outbuf,
   202					       GET_CAPABILITIES_V4_OUT_MAC_STATS_NUM_STATS);
   203		netif_dbg(efx, probe, efx->net_dev,
   204			  "firmware reports num_mac_stats = %u\n",
   205			  efx->num_mac_stats);
   206	
   207		/* Current EF100 hardware supports vDPA on VFs only, requires MCDI v2
   208		 * and Firmware's capability to proxy MCDI commands from PF to VF
   209		 */
   210		if (IS_ENABLED(CONFIG_SFC_VDPA)) {
 > 211			nic_data->vdpa_supported = efx->type->is_vf &&
   212						   (efx->type->mcdi_max_ver > 1) &&
   213					efx_ef100_has_cap(nic_data->datapath_caps3,
   214							  CLIENT_CMD_VF_PROXY);
   215		}
   216	
   217		return 0;
   218	}
   219	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests