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Date: Thu, 8 Dec 2022 03:23:31 +0800
From: kernel test robot <lkp@...el.com>
To: Gautam Dawar <gautam.dawar@....com>, linux-net-drivers@....com,
netdev@...r.kernel.org, jasowang@...hat.com, eperezma@...hat.com
Cc: oe-kbuild-all@...ts.linux.dev, tanuj.kamde@....com,
Koushik.Dutta@....com, harpreet.anand@....com,
Gautam Dawar <gautam.dawar@....com>,
Edward Cree <ecree.xilinx@...il.com>,
Martin Habets <habetsm.xilinx@...il.com>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 10/11] sfc: implement vdpa config_ops for dma
operations
Hi Gautam,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on net-next/master]
url: https://github.com/intel-lab-lkp/linux/commits/Gautam-Dawar/sfc-add-vDPA-support-for-EF100-devices/20221207-230026
patch link: https://lore.kernel.org/r/20221207145428.31544-11-gautam.dawar%40amd.com
patch subject: [PATCH net-next 10/11] sfc: implement vdpa config_ops for dma operations
config: mips-allyesconfig
compiler: mips-linux-gcc (GCC) 12.1.0
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://github.com/intel-lab-lkp/linux/commit/439c0b3c236e7df427ffe3f4fde5281a1678c08a
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Gautam-Dawar/sfc-add-vDPA-support-for-EF100-devices/20221207-230026
git checkout 439c0b3c236e7df427ffe3f4fde5281a1678c08a
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/net/ethernet/sfc/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/device.h:15,
from include/linux/vdpa.h:6,
from drivers/net/ethernet/sfc/ef100_vdpa_ops.c:11:
drivers/net/ethernet/sfc/ef100_vdpa_ops.c: In function 'ef100_vdpa_dma_map':
>> drivers/net/ethernet/sfc/ef100_vdpa_ops.c:783:26: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'dma_addr_t' {aka 'unsigned int'} [-Wformat=]
783 | "%s: mcdi iova overlap detected: %llx\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ^~~
include/linux/dev_printk.h:150:58: note: in expansion of macro 'dev_fmt'
150 | dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~
drivers/net/ethernet/sfc/ef100_vdpa_ops.c:782:17: note: in expansion of macro 'dev_info'
782 | dev_info(&vdpa_nic->vdpa_dev.dev,
| ^~~~~~~~
drivers/net/ethernet/sfc/ef100_vdpa_ops.c:783:62: note: format string is defined here
783 | "%s: mcdi iova overlap detected: %llx\n",
| ~~~^
| |
| long long unsigned int
| %x
vim +783 drivers/net/ethernet/sfc/ef100_vdpa_ops.c
747
748 static int ef100_vdpa_dma_map(struct vdpa_device *vdev,
749 unsigned int asid,
750 u64 iova, u64 size,
751 u64 pa, u32 perm, void *opaque)
752 {
753 struct ef100_vdpa_nic *vdpa_nic;
754 struct ef100_nic_data *nic_data;
755 unsigned int mcdi_buf_len;
756 dma_addr_t mcdi_buf_addr;
757 u64 mcdi_iova = 0;
758 int rc;
759
760 vdpa_nic = get_vdpa_nic(vdev);
761 nic_data = vdpa_nic->efx->nic_data;
762 mcdi_buf_addr = nic_data->mcdi_buf.dma_addr;
763 mcdi_buf_len = nic_data->mcdi_buf.len;
764
765 /* Validate the iova range against geo aperture */
766 if (iova < vdpa_nic->geo_aper_start ||
767 ((iova + size - 1) > vdpa_nic->geo_aper_end)) {
768 dev_err(&vdpa_nic->vdpa_dev.dev,
769 "%s: iova range (%llx, %llx) not within geo aperture\n",
770 __func__, iova, (iova + size));
771 return -EINVAL;
772 }
773
774 rc = efx_ef100_insert_iova_node(vdpa_nic, iova, size);
775 if (rc) {
776 dev_err(&vdpa_nic->vdpa_dev.dev,
777 "%s: iova_node insert failure: %d\n", __func__, rc);
778 return rc;
779 }
780
781 if (is_iova_overlap(mcdi_buf_addr, mcdi_buf_len, iova, size)) {
782 dev_info(&vdpa_nic->vdpa_dev.dev,
> 783 "%s: mcdi iova overlap detected: %llx\n",
784 __func__, mcdi_buf_addr);
785 /* find the new iova for mcdi buffer */
786 rc = efx_ef100_find_new_iova(vdpa_nic, mcdi_buf_len,
787 &mcdi_iova);
788 if (rc) {
789 dev_err(&vdpa_nic->vdpa_dev.dev,
790 "new mcdi iova not found, err: %d\n", rc);
791 goto fail;
792 }
793
794 if (vdpa_nic->efx->mcdi_buf_mode == EFX_BUF_MODE_VDPA)
795 rc = ef100_remap_vdpa_mcdi_buffer(vdpa_nic->efx,
796 mcdi_iova);
797 else if (vdpa_nic->efx->mcdi_buf_mode == EFX_BUF_MODE_EF100)
798 rc = ef100_setup_vdpa_mcdi_buffer(vdpa_nic->efx,
799 mcdi_iova);
800 else
801 goto fail;
802
803 if (rc) {
804 dev_err(&vdpa_nic->vdpa_dev.dev,
805 "mcdi buf update failed, err: %d\n", rc);
806 goto fail;
807 }
808 }
809
810 rc = iommu_map(vdpa_nic->domain, iova, pa, size, perm);
811 if (rc) {
812 dev_err(&vdev->dev,
813 "%s: iommu_map iova: %llx size: %llx rc: %d\n",
814 __func__, iova, size, rc);
815 goto fail;
816 }
817
818 return 0;
819
820 fail:
821 efx_ef100_remove_iova_node(vdpa_nic, iova);
822 return rc;
823 }
824
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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