tree: https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git reserved-tags.v3 head: 7e846b812c89291eaaf342f3a37944fefc17473b commit: 0b5ae3c0eabfefb5573b84647788cc5d9af89135 [39/41] hisi_sas: use task tag to reference the slot config: x86_64-allyesconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 1ccde533425a4ba9d379510206ad680ff9702129) reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout 0b5ae3c0eabfefb5573b84647788cc5d9af89135 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/scsi/hisi_sas/hisi_sas_main.c:1147:18: error: variable has incomplete type 'struct scsilun' struct scsilun lun; ^ drivers/scsi/hisi_sas/hisi_sas_main.c:1147:10: note: forward declaration of 'struct scsilun' struct scsilun lun; ^ drivers/scsi/hisi_sas/hisi_sas_main.c:1150:8: warning: address of function 'dev_is_sata' will always evaluate to 'true' [-Wpointer-bool-conversion] if (!dev_is_sata) { ~^~~~~~~~~~~ drivers/scsi/hisi_sas/hisi_sas_main.c:1150:8: note: prefix with the address-of operator to silence this warning if (!dev_is_sata) { ^ & drivers/scsi/hisi_sas/hisi_sas_main.c:1151:24: error: initializing 'struct sas_ssp_task' with an expression of incompatible type 'void *' struct sas_ssp_task ssp_task = parameter; ^ ~~~~~~~~~ err_out: ^~~~~~~~ drivers/scsi/hisi_sas/hisi_sas_main.c:2549:41: warning: shift count >= width of type [-Wshift-count-overflow] error = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 3 warnings and 2 errors generated. vim +/err_out +1972 drivers/scsi/hisi_sas/hisi_sas_main.c 0efff300c72df7 John Garry 2015-11-18 1899 441c27401470c4 John Garry 2016-08-24 1900 static int ad6048325c7807 John Garry 2017-06-14 1901 hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id, 441c27401470c4 John Garry 2016-08-24 1902 struct sas_task *task, int abort_flag, 795f25a31b542d John Garry 2019-02-06 1903 int task_tag, struct hisi_sas_dq *dq) 441c27401470c4 John Garry 2016-08-24 1904 { 441c27401470c4 John Garry 2016-08-24 1905 struct domain_device *device = task->dev; 441c27401470c4 John Garry 2016-08-24 1906 struct hisi_sas_device *sas_dev = device->lldd_dev; 11b752490a051b John Garry 2017-06-14 1907 struct device *dev = hisi_hba->dev; 441c27401470c4 John Garry 2016-08-24 1908 struct hisi_sas_port *port; 441c27401470c4 John Garry 2016-08-24 1909 struct hisi_sas_slot *slot; 2e244f0f5bcaa9 John Garry 2017-03-23 1910 struct asd_sas_port *sas_port = device->port; 441c27401470c4 John Garry 2016-08-24 1911 struct hisi_sas_cmd_hdr *cmd_hdr_base; 441c27401470c4 John Garry 2016-08-24 1912 int dlvry_queue_slot, dlvry_queue, n_elem = 0, rc, slot_idx; 897cc769bcc092 John Garry 2019-08-05 1913 unsigned long flags; fa222db0b03689 Xiang Chen 2018-05-09 1914 int wr_q_index; 441c27401470c4 John Garry 2016-08-24 1915 917d3bdaf8f2ab Xiaofei Tan 2017-08-11 1916 if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags))) 06ec0fb97c0281 Xiang Chen 2017-03-23 1917 return -EINVAL; 06ec0fb97c0281 Xiang Chen 2017-03-23 1918 441c27401470c4 John Garry 2016-08-24 1919 if (!device->port) 441c27401470c4 John Garry 2016-08-24 1920 return -1; 441c27401470c4 John Garry 2016-08-24 1921 2e244f0f5bcaa9 John Garry 2017-03-23 1922 port = to_hisi_sas_port(sas_port); 441c27401470c4 John Garry 2016-08-24 1923 0b5ae3c0eabfef Hannes Reinecke 2020-04-29 1924 slot_idx = task->tag; 0b5ae3c0eabfef Hannes Reinecke 2020-04-29 1925 if (task->tag == -1) 0b5ae3c0eabfef Hannes Reinecke 2020-04-29 1926 return -EAGAIN; b1a49412f0aed7 Xiang Chen 2017-06-14 1927 3de0026dad6b8e Xiang Chen 2018-05-09 1928 slot = &hisi_hba->slot_info[slot_idx]; fa222db0b03689 Xiang Chen 2018-05-09 1929 e9dc5e11c97ee9 Xiang Chen 2020-01-20 1930 spin_lock(&dq->lock); 897cc769bcc092 John Garry 2019-08-05 1931 wr_q_index = dq->wr_point; 897cc769bcc092 John Garry 2019-08-05 1932 dq->wr_point = (dq->wr_point + 1) % HISI_SAS_QUEUE_SLOTS; fa222db0b03689 Xiang Chen 2018-05-09 1933 list_add_tail(&slot->delivery, &dq->list); e9dc5e11c97ee9 Xiang Chen 2020-01-20 1934 spin_unlock(&dq->lock); e9dc5e11c97ee9 Xiang Chen 2020-01-20 1935 spin_lock(&sas_dev->lock); 4fefe5bbf599d6 Xiang Chen 2019-02-06 1936 list_add_tail(&slot->entry, &sas_dev->list); e9dc5e11c97ee9 Xiang Chen 2020-01-20 1937 spin_unlock(&sas_dev->lock); 441c27401470c4 John Garry 2016-08-24 1938 b1a49412f0aed7 Xiang Chen 2017-06-14 1939 dlvry_queue = dq->id; fa222db0b03689 Xiang Chen 2018-05-09 1940 dlvry_queue_slot = wr_q_index; b1a49412f0aed7 Xiang Chen 2017-06-14 1941 4fefe5bbf599d6 Xiang Chen 2019-02-06 1942 slot->device_id = sas_dev->device_id; 441c27401470c4 John Garry 2016-08-24 1943 slot->n_elem = n_elem; 441c27401470c4 John Garry 2016-08-24 1944 slot->dlvry_queue = dlvry_queue; 441c27401470c4 John Garry 2016-08-24 1945 slot->dlvry_queue_slot = dlvry_queue_slot; 441c27401470c4 John Garry 2016-08-24 1946 cmd_hdr_base = hisi_hba->cmd_hdr[dlvry_queue]; 441c27401470c4 John Garry 2016-08-24 1947 slot->cmd_hdr = &cmd_hdr_base[dlvry_queue_slot]; 441c27401470c4 John Garry 2016-08-24 1948 slot->task = task; 441c27401470c4 John Garry 2016-08-24 1949 slot->port = port; cd938e535e909b Xiang Chen 2018-05-02 1950 slot->is_internal = true; 441c27401470c4 John Garry 2016-08-24 1951 task->lldd_task = slot; 441c27401470c4 John Garry 2016-08-24 1952 441c27401470c4 John Garry 2016-08-24 1953 memset(slot->cmd_hdr, 0, sizeof(struct hisi_sas_cmd_hdr)); 031da09c110106 Xiang Chen 2017-08-11 1954 memset(hisi_sas_cmd_hdr_addr_mem(slot), 0, HISI_SAS_COMMAND_TABLE_SZ); d380f55503ed28 Xiang Chen 2019-08-05 1955 memset(hisi_sas_status_buf_addr_mem(slot), 0, d380f55503ed28 Xiang Chen 2019-08-05 1956 sizeof(struct hisi_sas_err_record)); 441c27401470c4 John Garry 2016-08-24 1957 a2b3820bddfbff Xiang Chen 2018-05-09 1958 hisi_sas_task_prep_abort(hisi_hba, slot, device_id, 441c27401470c4 John Garry 2016-08-24 1959 abort_flag, task_tag); 441c27401470c4 John Garry 2016-08-24 1960 54c9dd2d26d095 John Garry 2017-03-23 1961 spin_lock_irqsave(&task->task_state_lock, flags); 441c27401470c4 John Garry 2016-08-24 1962 task->task_state_flags |= SAS_TASK_AT_INITIATOR; 54c9dd2d26d095 John Garry 2017-03-23 1963 spin_unlock_irqrestore(&task->task_state_lock, flags); 1c09b663168bb5 Xiaofei Tan 2018-07-18 1964 WRITE_ONCE(slot->ready, 1); b1a49412f0aed7 Xiang Chen 2017-06-14 1965 /* send abort command to the chip */ e9dc5e11c97ee9 Xiang Chen 2020-01-20 1966 spin_lock(&dq->lock); b1a49412f0aed7 Xiang Chen 2017-06-14 1967 hisi_hba->hw->start_delivery(dq); e9dc5e11c97ee9 Xiang Chen 2020-01-20 1968 spin_unlock(&dq->lock); 441c27401470c4 John Garry 2016-08-24 1969 441c27401470c4 John Garry 2016-08-24 1970 return 0; 441c27401470c4 John Garry 2016-08-24 1971 441c27401470c4 John Garry 2016-08-24 @1972 err_out: 441c27401470c4 John Garry 2016-08-24 1973 dev_err(dev, "internal abort task prep: failed[%d]!\n", rc); 441c27401470c4 John Garry 2016-08-24 1974 441c27401470c4 John Garry 2016-08-24 1975 return rc; 441c27401470c4 John Garry 2016-08-24 1976 } 441c27401470c4 John Garry 2016-08-24 1977 :::::: The code at line 1972 was first introduced by commit :::::: 441c27401470c417cf4a33ab9c17bcefdf1ecca3 scsi: hisi_sas: add internal abort main code :::::: TO: John Garry <john.garry(a)huawei.com&gt; :::::: CC: Martin K. Petersen <martin.petersen(a)oracle.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org