tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6705cd745adbbeac6b13002c7a30060f7b2568a5 commit: 62413199cd6d2906c121c2dfa3d7b82fd05f08db [9107/9295] scsi: hisi_sas: Modify v3 HW SSP underflow error processing config: ia64-allmodconfig (https://download.01.org/0day-ci/archive/20220301/202203011418.qIE8Pi5o-lkp@xxxxxxxxx/config) compiler: ia64-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=62413199cd6d2906c121c2dfa3d7b82fd05f08db git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 62413199cd6d2906c121c2dfa3d7b82fd05f08db # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/scsi/hisi_sas/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:2168:43: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:2169:46: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:4427:35: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected restricted __le32 [usertype] *[assigned] ptr @@ got unsigned int * @@ drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:4427:35: sparse: expected restricted __le32 [usertype] *[assigned] ptr drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:4427:35: sparse: got unsigned int * vim +2168 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c 2144 2145 static bool 2146 slot_err_v3_hw(struct hisi_hba *hisi_hba, struct sas_task *task, 2147 struct hisi_sas_slot *slot) 2148 { 2149 struct task_status_struct *ts = &task->task_status; 2150 struct hisi_sas_complete_v3_hdr *complete_queue = 2151 hisi_hba->complete_hdr[slot->cmplt_queue]; 2152 struct hisi_sas_complete_v3_hdr *complete_hdr = 2153 &complete_queue[slot->cmplt_queue_slot]; 2154 struct hisi_sas_err_record_v3 *record = 2155 hisi_sas_status_buf_addr_mem(slot); 2156 u32 dma_rx_err_type = le32_to_cpu(record->dma_rx_err_type); 2157 u32 trans_tx_fail_type = le32_to_cpu(record->trans_tx_fail_type); 2158 u32 dw3 = le32_to_cpu(complete_hdr->dw3); 2159 2160 switch (task->task_proto) { 2161 case SAS_PROTOCOL_SSP: 2162 if (dma_rx_err_type & RX_DATA_LEN_UNDERFLOW_MSK) { 2163 /* 2164 * If returned response frame is incorrect because of data underflow, 2165 * but I/O information has been written to the host memory, we examine 2166 * response IU. 2167 */ > 2168 if (!(complete_hdr->dw0 & CMPLT_HDR_RSPNS_GOOD_MSK) && 2169 (complete_hdr->dw0 & CMPLT_HDR_RSPNS_XFRD_MSK)) 2170 return false; 2171 2172 ts->residual = trans_tx_fail_type; 2173 ts->stat = SAS_DATA_UNDERRUN; 2174 } else if (dw3 & CMPLT_HDR_IO_IN_TARGET_MSK) { 2175 ts->stat = SAS_QUEUE_FULL; 2176 slot->abort = 1; 2177 } else { 2178 ts->stat = SAS_OPEN_REJECT; 2179 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY; 2180 } 2181 break; 2182 case SAS_PROTOCOL_SATA: 2183 case SAS_PROTOCOL_STP: 2184 case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP: 2185 if (dma_rx_err_type & RX_DATA_LEN_UNDERFLOW_MSK) { 2186 ts->residual = trans_tx_fail_type; 2187 ts->stat = SAS_DATA_UNDERRUN; 2188 } else if (dw3 & CMPLT_HDR_IO_IN_TARGET_MSK) { 2189 ts->stat = SAS_PHY_DOWN; 2190 slot->abort = 1; 2191 } else { 2192 ts->stat = SAS_OPEN_REJECT; 2193 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY; 2194 } 2195 hisi_sas_sata_done(task, slot); 2196 break; 2197 case SAS_PROTOCOL_SMP: 2198 ts->stat = SAS_SAM_STAT_CHECK_CONDITION; 2199 break; 2200 default: 2201 break; 2202 } 2203 return true; 2204 } 2205 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
