CC: kbuild-all(a)lists.01.org CC: linux-kernel(a)vger.kernel.org TO: Geetha sowjanya CC: Aleksey Makarov CC: Sunil Goutham tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: fc4f28bb3daf3265d6bc5f73b497306985bb23ab commit: 4ff7d1488a8496fddcfdf40c42489eaa64892f3e octeontx2-pf: Error handling support date: 8 months ago :::::: branch date: 7 hours ago :::::: commit date: 8 months ago config: parisc-randconfig-s032-20200914 (attached as .config) compiler: hppa64-linux-gcc (GCC) 9.3.0 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: v0.6.2-191-g10164920-dirty git checkout 4ff7d1488a8496fddcfdf40c42489eaa64892f3e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c: note: in included file (through arch/parisc/include/uapi/asm/unistd.h, arch/parisc/include/asm/unistd.h, include/uapi/linux/unistd.h, ...): ./arch/parisc/include/generated/uapi/asm/unistd_64.h:360:41: sparse: sparse: no newline at end of file drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:489:21: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned long long [usertype] *ptr @@ got void [noderef] * @@ >> drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:489:21: sparse: expected unsigned long long [usertype] *ptr drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:489:21: sparse: got void [noderef] * drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:514:21: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned long long [usertype] *ptr @@ got void [noderef] * @@ drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:514:21: sparse: expected unsigned long long [usertype] *ptr drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:514:21: sparse: got void [noderef] * # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4ff7d1488a8496fddcfdf40c42489eaa64892f3e git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 4ff7d1488a8496fddcfdf40c42489eaa64892f3e vim +489 drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c 165475779ba1d4 Sunil Goutham 2020-01-27 480 4ff7d1488a8496 Geetha sowjanya 2020-01-27 481 static irqreturn_t otx2_q_intr_handler(int irq, void *data) 4ff7d1488a8496 Geetha sowjanya 2020-01-27 482 { 4ff7d1488a8496 Geetha sowjanya 2020-01-27 483 struct otx2_nic *pf = data; 4ff7d1488a8496 Geetha sowjanya 2020-01-27 484 u64 val, *ptr; 4ff7d1488a8496 Geetha sowjanya 2020-01-27 485 u64 qidx = 0; 4ff7d1488a8496 Geetha sowjanya 2020-01-27 486 4ff7d1488a8496 Geetha sowjanya 2020-01-27 487 /* CQ */ 4ff7d1488a8496 Geetha sowjanya 2020-01-27 488 for (qidx = 0; qidx < pf->qset.cq_cnt; qidx++) { 4ff7d1488a8496 Geetha sowjanya 2020-01-27 @489 ptr = otx2_get_regaddr(pf, NIX_LF_CQ_OP_INT); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 490 val = otx2_atomic64_add((qidx << 44), ptr); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 491 4ff7d1488a8496 Geetha sowjanya 2020-01-27 492 otx2_write64(pf, NIX_LF_CQ_OP_INT, (qidx << 44) | 4ff7d1488a8496 Geetha sowjanya 2020-01-27 493 (val & NIX_CQERRINT_BITS)); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 494 if (!(val & (NIX_CQERRINT_BITS | BIT_ULL(42)))) 4ff7d1488a8496 Geetha sowjanya 2020-01-27 495 continue; 4ff7d1488a8496 Geetha sowjanya 2020-01-27 496 4ff7d1488a8496 Geetha sowjanya 2020-01-27 497 if (val & BIT_ULL(42)) { 4ff7d1488a8496 Geetha sowjanya 2020-01-27 498 netdev_err(pf->netdev, "CQ%lld: error reading NIX_LF_CQ_OP_INT, NIX_LF_ERR_INT 0x%llx\n", 4ff7d1488a8496 Geetha sowjanya 2020-01-27 499 qidx, otx2_read64(pf, NIX_LF_ERR_INT)); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 500 } else { 4ff7d1488a8496 Geetha sowjanya 2020-01-27 501 if (val & BIT_ULL(NIX_CQERRINT_DOOR_ERR)) 4ff7d1488a8496 Geetha sowjanya 2020-01-27 502 netdev_err(pf->netdev, "CQ%lld: Doorbell error", 4ff7d1488a8496 Geetha sowjanya 2020-01-27 503 qidx); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 504 if (val & BIT_ULL(NIX_CQERRINT_CQE_FAULT)) 4ff7d1488a8496 Geetha sowjanya 2020-01-27 505 netdev_err(pf->netdev, "CQ%lld: Memory fault on CQE write to LLC/DRAM", 4ff7d1488a8496 Geetha sowjanya 2020-01-27 506 qidx); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 507 } 4ff7d1488a8496 Geetha sowjanya 2020-01-27 508 4ff7d1488a8496 Geetha sowjanya 2020-01-27 509 schedule_work(&pf->reset_task); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 510 } 4ff7d1488a8496 Geetha sowjanya 2020-01-27 511 4ff7d1488a8496 Geetha sowjanya 2020-01-27 512 /* SQ */ 4ff7d1488a8496 Geetha sowjanya 2020-01-27 513 for (qidx = 0; qidx < pf->hw.tx_queues; qidx++) { 4ff7d1488a8496 Geetha sowjanya 2020-01-27 514 ptr = otx2_get_regaddr(pf, NIX_LF_SQ_OP_INT); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 515 val = otx2_atomic64_add((qidx << 44), ptr); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 516 otx2_write64(pf, NIX_LF_SQ_OP_INT, (qidx << 44) | 4ff7d1488a8496 Geetha sowjanya 2020-01-27 517 (val & NIX_SQINT_BITS)); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 518 4ff7d1488a8496 Geetha sowjanya 2020-01-27 519 if (!(val & (NIX_SQINT_BITS | BIT_ULL(42)))) 4ff7d1488a8496 Geetha sowjanya 2020-01-27 520 continue; 4ff7d1488a8496 Geetha sowjanya 2020-01-27 521 4ff7d1488a8496 Geetha sowjanya 2020-01-27 522 if (val & BIT_ULL(42)) { 4ff7d1488a8496 Geetha sowjanya 2020-01-27 523 netdev_err(pf->netdev, "SQ%lld: error reading NIX_LF_SQ_OP_INT, NIX_LF_ERR_INT 0x%llx\n", 4ff7d1488a8496 Geetha sowjanya 2020-01-27 524 qidx, otx2_read64(pf, NIX_LF_ERR_INT)); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 525 } else { 4ff7d1488a8496 Geetha sowjanya 2020-01-27 526 if (val & BIT_ULL(NIX_SQINT_LMT_ERR)) { 4ff7d1488a8496 Geetha sowjanya 2020-01-27 527 netdev_err(pf->netdev, "SQ%lld: LMT store error NIX_LF_SQ_OP_ERR_DBG:0x%llx", 4ff7d1488a8496 Geetha sowjanya 2020-01-27 528 qidx, 4ff7d1488a8496 Geetha sowjanya 2020-01-27 529 otx2_read64(pf, 4ff7d1488a8496 Geetha sowjanya 2020-01-27 530 NIX_LF_SQ_OP_ERR_DBG)); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 531 otx2_write64(pf, NIX_LF_SQ_OP_ERR_DBG, 4ff7d1488a8496 Geetha sowjanya 2020-01-27 532 BIT_ULL(44)); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 533 } 4ff7d1488a8496 Geetha sowjanya 2020-01-27 534 if (val & BIT_ULL(NIX_SQINT_MNQ_ERR)) { 4ff7d1488a8496 Geetha sowjanya 2020-01-27 535 netdev_err(pf->netdev, "SQ%lld: Meta-descriptor enqueue error NIX_LF_MNQ_ERR_DGB:0x%llx\n", 4ff7d1488a8496 Geetha sowjanya 2020-01-27 536 qidx, 4ff7d1488a8496 Geetha sowjanya 2020-01-27 537 otx2_read64(pf, NIX_LF_MNQ_ERR_DBG)); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 538 otx2_write64(pf, NIX_LF_MNQ_ERR_DBG, 4ff7d1488a8496 Geetha sowjanya 2020-01-27 539 BIT_ULL(44)); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 540 } 4ff7d1488a8496 Geetha sowjanya 2020-01-27 541 if (val & BIT_ULL(NIX_SQINT_SEND_ERR)) { 4ff7d1488a8496 Geetha sowjanya 2020-01-27 542 netdev_err(pf->netdev, "SQ%lld: Send error, NIX_LF_SEND_ERR_DBG 0x%llx", 4ff7d1488a8496 Geetha sowjanya 2020-01-27 543 qidx, 4ff7d1488a8496 Geetha sowjanya 2020-01-27 544 otx2_read64(pf, 4ff7d1488a8496 Geetha sowjanya 2020-01-27 545 NIX_LF_SEND_ERR_DBG)); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 546 otx2_write64(pf, NIX_LF_SEND_ERR_DBG, 4ff7d1488a8496 Geetha sowjanya 2020-01-27 547 BIT_ULL(44)); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 548 } 4ff7d1488a8496 Geetha sowjanya 2020-01-27 549 if (val & BIT_ULL(NIX_SQINT_SQB_ALLOC_FAIL)) 4ff7d1488a8496 Geetha sowjanya 2020-01-27 550 netdev_err(pf->netdev, "SQ%lld: SQB allocation failed", 4ff7d1488a8496 Geetha sowjanya 2020-01-27 551 qidx); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 552 } 4ff7d1488a8496 Geetha sowjanya 2020-01-27 553 4ff7d1488a8496 Geetha sowjanya 2020-01-27 554 schedule_work(&pf->reset_task); 4ff7d1488a8496 Geetha sowjanya 2020-01-27 555 } 4ff7d1488a8496 Geetha sowjanya 2020-01-27 556 4ff7d1488a8496 Geetha sowjanya 2020-01-27 557 return IRQ_HANDLED; 4ff7d1488a8496 Geetha sowjanya 2020-01-27 558 } 4ff7d1488a8496 Geetha sowjanya 2020-01-27 559 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org