tree: https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git virtio-vfc.v6 head: 7e3ab9aac391a4fb2aef468332128900bdef8df6 commit: 65a1d16588d3c3cb7b09f0f162c571be3533afc4 [3/5] virtio-scsi: Add FC transport class config: arm64-randconfig-r012-20210314 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git/commi... git remote add hare-scsi-devel https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git git fetch --no-tags hare-scsi-devel virtio-vfc.v6 git checkout 65a1d16588d3c3cb7b09f0f162c571be3533afc4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/scsi/virtio_scsi.c: In function 'virtscsi_complete_cmd': 178 | tgt = rport->dd_data; | ^~~ drivers/scsi/virtio_scsi.c:178:3: note: each undeclared identifier is reported only once for each function it appears in drivers/scsi/virtio_scsi.c: At top level: 848 | rport = starget_to_rport(starget); | ^~~~~ drivers/scsi/virtio_scsi.c:849:2: error: expected declaration specifiers or '...' before 'if' 849 | if (rport) { | ^~ In file included from include/linux/atomic.h:82, from include/asm-generic/bitops/atomic.h:5, from arch/arm64/include/asm/bitops.h:26, from include/linux/bitops.h:32, from include/linux/kernel.h:11, from include/linux/list.h:9, from include/linux/module.h:12, from drivers/scsi/virtio_scsi.c:15: include/asm-generic/atomic-instrumented.h:48:20: error: expected declaration specifiers or '...' before 'atomic_set' 48 | #define atomic_set atomic_set | ^~~~~~~~~~ drivers/scsi/virtio_scsi.c:875:2: note: in expansion of macro 'atomic_set' 875 | atomic_set(&tgt->reqs, 0); | ^~~~~~~~~~ drivers/scsi/virtio_scsi.c:876:2: error: expected declaration specifiers or '...' before 'tgt' 876 | tgt->req_vq = &vscsi->req_vqs[0]; | ^~~ drivers/scsi/virtio_scsi.c:877:2: error: expected declaration specifiers or '...' before 'tgt' 877 | tgt->vscsi = vscsi; | ^~~ drivers/scsi/virtio_scsi.c:878:2: error: expected declaration specifiers or '...' before 'return' 878 | return 0; | ^~~~~~ drivers/scsi/virtio_scsi.c:879:1: error: expected declaration specifiers or '...' before '}' token 879 | } | ^ drivers/scsi/virtio_scsi.c:879:1: error: expected ';', ',' or ')' before '}' token drivers/scsi/virtio_scsi.c: In function 'virtscsi_rescan_work': drivers/scsi/virtio_scsi.c:951:8: error: implicit declaration of function 'virtscsi_kick_cmd'; did you mean 'virtscsi_kick_vq'? [-Werror=implicit-function-declaration] 951 | ret = virtscsi_kick_cmd(&vscsi->ctrl_vq, cmd, sizeof(cmd->req.rescan), | ^~~~~~~~~~~~~~~~~ | virtscsi_kick_vq drivers/scsi/virtio_scsi.c: At top level: drivers/scsi/virtio_scsi.c:1119:5: warning: no previous prototype for 'virtscsi_scan_finished' [-Wmissing-prototypes] 1119 | int virtscsi_scan_finished(struct Scsi_Host *sh, unsigned long time) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/virtio_scsi.c:881:13: warning: 'virtscsi_target_destroy' defined but not used [-Wunused-function] 881 | static void virtscsi_target_destroy(struct scsi_target *starget) | ^~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/tgt +178 drivers/scsi/virtio_scsi.c 156 157 /* 158 * virtscsi_complete_cmd - finish a scsi_cmd and invoke scsi_done 159 * 160 * Called with vq_lock held. 161 */ 162 static void virtscsi_complete_cmd(struct virtio_scsi *vscsi, void *buf) 163 { 164 struct virtio_scsi_cmd *cmd = buf; 165 #if IS_ENABLED(CONFIG_SCSI_FC_ATTRS) 166 struct fc_rport *rport; 167 #endif 168 struct scsi_cmnd *sc = cmd->sc; 169 struct virtio_scsi_cmd_resp *resp = &cmd->resp.cmd; 170 171 dev_dbg(&sc->device->sdev_gendev, 172 "cmd %p response %u status %#02x sense_len %u\n", 173 sc, resp->response, resp->status, resp->sense_len); 174 175 #if IS_ENABLED(CONFIG_SCSI_FC_ATTRS) 176 rport = starget_to_rport(scsi_target(sc->device)); 177 if (rport) 179 #endif 180 sc->result = resp->status; 181 virtscsi_compute_resid(sc, virtio32_to_cpu(vscsi->vdev, resp->resid)); 182 switch (resp->response) { 183 case VIRTIO_SCSI_S_OK: 184 set_host_byte(sc, DID_OK); 185 break; 186 case VIRTIO_SCSI_S_OVERRUN: 187 set_host_byte(sc, DID_ERROR); 188 break; 189 case VIRTIO_SCSI_S_ABORTED: 190 set_host_byte(sc, DID_ABORT); 191 break; 192 case VIRTIO_SCSI_S_BAD_TARGET: 193 set_host_byte(sc, DID_BAD_TARGET); 194 break; 195 case VIRTIO_SCSI_S_RESET: 196 set_host_byte(sc, DID_RESET); 197 break; 198 case VIRTIO_SCSI_S_BUSY: 199 set_host_byte(sc, DID_BUS_BUSY); 200 break; 201 case VIRTIO_SCSI_S_TRANSPORT_FAILURE: 202 set_host_byte(sc, DID_TRANSPORT_DISRUPTED); 203 break; 204 case VIRTIO_SCSI_S_TARGET_FAILURE: 205 set_host_byte(sc, DID_TARGET_FAILURE); 206 break; 207 case VIRTIO_SCSI_S_NEXUS_FAILURE: 208 set_host_byte(sc, DID_NEXUS_FAILURE); 209 break; 210 default: 211 scmd_printk(KERN_WARNING, sc, "Unknown response %d", 212 resp->response); 213 fallthrough; 214 case VIRTIO_SCSI_S_FAILURE: 215 set_host_byte(sc, DID_ERROR); 216 break; 217 } 218 219 WARN_ON(virtio32_to_cpu(vscsi->vdev, resp->sense_len) > 220 VIRTIO_SCSI_SENSE_SIZE); 221 if (sc->sense_buffer) { 222 memcpy(sc->sense_buffer, resp->sense, 223 min_t(u32, 224 virtio32_to_cpu(vscsi->vdev, resp->sense_len), 225 VIRTIO_SCSI_SENSE_SIZE)); 226 if (resp->sense_len) 227 set_driver_byte(sc, DRIVER_SENSE); 228 } 229 230 sc->scsi_done(sc); 231 } 232 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org