[kbuild-all] drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:596:48: sparse: sparse: cast removes address space '__iomem' of expression

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 63d1cb53e26a9a4168b84a8981b225c0a9cfa235 commit: ea29b20a828511de3348334e529a3d046a180416 init/Kconfig: make COMPILE_TEST depend on HAS_IOMEM date: 9 weeks ago config: s390-randconfig-s032-20210517 (attached as .config) compiler: s390-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: v0.6.3-341-g8af24329-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout ea29b20a828511de3348334e529a3d046a180416 # 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__' W=1 ARCH=s390 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:646:35: sparse: expected void volatile [noderef] __iomem *addr drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:646:35: sparse: got void *hwbase drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:1155:21: sparse: expected unsigned long long [usertype] *ptr drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:1155:21: sparse: got void [noderef] __iomem * drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:1180:21: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned long long [usertype] *ptr @@ got void [noderef] __iomem * @@ drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:1180:21: sparse: expected unsigned long long [usertype] *ptr drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:1180:21: sparse: got void [noderef] __iomem * drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c: note: in included file (through arch/s390/include/asm/io.h, include/linux/io.h, include/linux/pci.h): include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 -- drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:29:16: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:39:16: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:42:16: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:720:16: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c: note: in included file (through arch/s390/include/asm/io.h, include/linux/io.h, include/linux/pci.h): include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:193:15: sparse: sparse: too many warnings -- drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c:554:31: sparse: expected unsigned short [usertype] iplen drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c:554:31: sparse: got restricted __be16 [usertype] drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c:556:54: sparse: expected restricted __be16 [usertype] tot_len drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c:556:54: sparse: got unsigned short [usertype] iplen drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c:559:60: sparse: expected restricted __be16 [usertype] payload_len drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c:559:60: sparse: got unsigned short [usertype] iplen drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c: note: in included file (through arch/s390/include/asm/io.h, include/linux/scatterlist.h, include/linux/dma-mapping.h, ...): include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:236:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:236:22: sparse: expected unsigned long long [usertype] val include/asm-generic/io.h:236:22: sparse: got restricted __le64 [usertype] vim +/__iomem +596 drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c d424b6c024157f Sunil Goutham 2020-03-21 567 d424b6c024157f Sunil Goutham 2020-03-21 568 static int otx2_pfvf_mbox_init(struct otx2_nic *pf, int numvfs) d424b6c024157f Sunil Goutham 2020-03-21 569 { d424b6c024157f Sunil Goutham 2020-03-21 570 void __iomem *hwbase; d424b6c024157f Sunil Goutham 2020-03-21 571 struct mbox *mbox; d424b6c024157f Sunil Goutham 2020-03-21 572 int err, vf; d424b6c024157f Sunil Goutham 2020-03-21 573 u64 base; d424b6c024157f Sunil Goutham 2020-03-21 574 d424b6c024157f Sunil Goutham 2020-03-21 575 if (!numvfs) d424b6c024157f Sunil Goutham 2020-03-21 576 return -EINVAL; d424b6c024157f Sunil Goutham 2020-03-21 577 d424b6c024157f Sunil Goutham 2020-03-21 578 pf->mbox_pfvf = devm_kcalloc(&pf->pdev->dev, numvfs, d424b6c024157f Sunil Goutham 2020-03-21 579 sizeof(struct mbox), GFP_KERNEL); d424b6c024157f Sunil Goutham 2020-03-21 580 if (!pf->mbox_pfvf) d424b6c024157f Sunil Goutham 2020-03-21 581 return -ENOMEM; d424b6c024157f Sunil Goutham 2020-03-21 582 d424b6c024157f Sunil Goutham 2020-03-21 583 pf->mbox_pfvf_wq = alloc_workqueue("otx2_pfvf_mailbox", d424b6c024157f Sunil Goutham 2020-03-21 584 WQ_UNBOUND | WQ_HIGHPRI | d424b6c024157f Sunil Goutham 2020-03-21 585 WQ_MEM_RECLAIM, 1); d424b6c024157f Sunil Goutham 2020-03-21 586 if (!pf->mbox_pfvf_wq) d424b6c024157f Sunil Goutham 2020-03-21 587 return -ENOMEM; d424b6c024157f Sunil Goutham 2020-03-21 588 facede8209ef0d Subbaraya Sundeep 2021-02-11 589 /* On CN10K platform, PF <-> VF mailbox region follows after facede8209ef0d Subbaraya Sundeep 2021-02-11 590 * PF <-> AF mailbox region. facede8209ef0d Subbaraya Sundeep 2021-02-11 591 */ facede8209ef0d Subbaraya Sundeep 2021-02-11 592 if (test_bit(CN10K_MBOX, &pf->hw.cap_flag)) facede8209ef0d Subbaraya Sundeep 2021-02-11 593 base = pci_resource_start(pf->pdev, PCI_MBOX_BAR_NUM) + facede8209ef0d Subbaraya Sundeep 2021-02-11 594 MBOX_SIZE; facede8209ef0d Subbaraya Sundeep 2021-02-11 595 else facede8209ef0d Subbaraya Sundeep 2021-02-11 @596 base = readq((void __iomem *)((u64)pf->reg_base + facede8209ef0d Subbaraya Sundeep 2021-02-11 597 RVU_PF_VF_BAR4_ADDR)); d424b6c024157f Sunil Goutham 2020-03-21 598 facede8209ef0d Subbaraya Sundeep 2021-02-11 599 hwbase = ioremap_wc(base, MBOX_SIZE * pf->total_vfs); d424b6c024157f Sunil Goutham 2020-03-21 600 if (!hwbase) { d424b6c024157f Sunil Goutham 2020-03-21 601 err = -ENOMEM; d424b6c024157f Sunil Goutham 2020-03-21 602 goto free_wq; d424b6c024157f Sunil Goutham 2020-03-21 603 } d424b6c024157f Sunil Goutham 2020-03-21 604 d424b6c024157f Sunil Goutham 2020-03-21 605 mbox = &pf->mbox_pfvf[0]; d424b6c024157f Sunil Goutham 2020-03-21 606 err = otx2_mbox_init(&mbox->mbox, hwbase, pf->pdev, pf->reg_base, d424b6c024157f Sunil Goutham 2020-03-21 607 MBOX_DIR_PFVF, numvfs); d424b6c024157f Sunil Goutham 2020-03-21 608 if (err) d424b6c024157f Sunil Goutham 2020-03-21 609 goto free_iomem; d424b6c024157f Sunil Goutham 2020-03-21 610 d424b6c024157f Sunil Goutham 2020-03-21 611 err = otx2_mbox_init(&mbox->mbox_up, hwbase, pf->pdev, pf->reg_base, d424b6c024157f Sunil Goutham 2020-03-21 612 MBOX_DIR_PFVF_UP, numvfs); d424b6c024157f Sunil Goutham 2020-03-21 613 if (err) d424b6c024157f Sunil Goutham 2020-03-21 614 goto free_iomem; d424b6c024157f Sunil Goutham 2020-03-21 615 d424b6c024157f Sunil Goutham 2020-03-21 616 for (vf = 0; vf < numvfs; vf++) { d424b6c024157f Sunil Goutham 2020-03-21 617 mbox->pfvf = pf; d424b6c024157f Sunil Goutham 2020-03-21 618 INIT_WORK(&mbox->mbox_wrk, otx2_pfvf_mbox_handler); d424b6c024157f Sunil Goutham 2020-03-21 619 INIT_WORK(&mbox->mbox_up_wrk, otx2_pfvf_mbox_up_handler); d424b6c024157f Sunil Goutham 2020-03-21 620 mbox++; d424b6c024157f Sunil Goutham 2020-03-21 621 } d424b6c024157f Sunil Goutham 2020-03-21 622 d424b6c024157f Sunil Goutham 2020-03-21 623 return 0; d424b6c024157f Sunil Goutham 2020-03-21 624 d424b6c024157f Sunil Goutham 2020-03-21 625 free_iomem: d424b6c024157f Sunil Goutham 2020-03-21 626 if (hwbase) d424b6c024157f Sunil Goutham 2020-03-21 627 iounmap(hwbase); d424b6c024157f Sunil Goutham 2020-03-21 628 free_wq: d424b6c024157f Sunil Goutham 2020-03-21 629 destroy_workqueue(pf->mbox_pfvf_wq); d424b6c024157f Sunil Goutham 2020-03-21 630 return err; d424b6c024157f Sunil Goutham 2020-03-21 631 } d424b6c024157f Sunil Goutham 2020-03-21 632 d424b6c024157f Sunil Goutham 2020-03-21 633 static void otx2_pfvf_mbox_destroy(struct otx2_nic *pf) d424b6c024157f Sunil Goutham 2020-03-21 634 { d424b6c024157f Sunil Goutham 2020-03-21 635 struct mbox *mbox = &pf->mbox_pfvf[0]; d424b6c024157f Sunil Goutham 2020-03-21 636 d424b6c024157f Sunil Goutham 2020-03-21 637 if (!mbox) d424b6c024157f Sunil Goutham 2020-03-21 638 return; d424b6c024157f Sunil Goutham 2020-03-21 639 d424b6c024157f Sunil Goutham 2020-03-21 640 if (pf->mbox_pfvf_wq) { d424b6c024157f Sunil Goutham 2020-03-21 641 destroy_workqueue(pf->mbox_pfvf_wq); d424b6c024157f Sunil Goutham 2020-03-21 642 pf->mbox_pfvf_wq = NULL; d424b6c024157f Sunil Goutham 2020-03-21 643 } d424b6c024157f Sunil Goutham 2020-03-21 644 d424b6c024157f Sunil Goutham 2020-03-21 645 if (mbox->mbox.hwbase) d424b6c024157f Sunil Goutham 2020-03-21 @646 iounmap(mbox->mbox.hwbase); d424b6c024157f Sunil Goutham 2020-03-21 647 d424b6c024157f Sunil Goutham 2020-03-21 648 otx2_mbox_destroy(&mbox->mbox); d424b6c024157f Sunil Goutham 2020-03-21 649 } d424b6c024157f Sunil Goutham 2020-03-21 650 :::::: The code at line 596 was first introduced by commit :::::: facede8209ef0dee84557c036e8502a99bb20a91 octeontx2-pf: cn10k: Add mbox support for CN10K :::::: TO: Subbaraya Sundeep <sbhatta(a)marvell.com&gt; :::::: CC: David S. Miller <davem(a)davemloft.net&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org