linux-kernel - Re: [PATCH V6 2/5] PCI/TPH: Add Steering Tag support

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Message-ID: <202409290628.jR98LDA9-lkp@intel.com>
Date: Sun, 29 Sep 2024 06:20:01 +0800
From: kernel test robot <lkp@...el.com>
To: Wei Huang <wei.huang2@....com>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	netdev@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, Jonathan.Cameron@...wei.com,
	helgaas@...nel.org, corbet@....net, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	alex.williamson@...hat.com, gospo@...adcom.com,
	michael.chan@...adcom.com, ajit.khaparde@...adcom.com,
	somnath.kotur@...adcom.com, andrew.gospodarek@...adcom.com,
	manoj.panicker2@....com, Eric.VanTassell@....com,
	wei.huang2@....com, vadim.fedorenko@...ux.dev, horms@...nel.org,
	bagasdotme@...il.com, bhelgaas@...gle.com, lukas@...ner.de,
	paul.e.luse@...el.com, jing2.liu@...el.com
Subject: Re: [PATCH V6 2/5] PCI/TPH: Add Steering Tag support

Hi Wei,

kernel test robot noticed the following build errors:

[auto build test ERROR on pci/next]
[also build test ERROR on pci/for-linus linus/master next-20240927]
[cannot apply to v6.11]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Wei-Huang/PCI-Add-TLP-Processing-Hints-TPH-support/20240928-055915
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link:    https://lore.kernel.org/r/20240927215653.1552411-3-wei.huang2%40amd.com
patch subject: [PATCH V6 2/5] PCI/TPH: Add Steering Tag support
config: sparc64-randconfig-r062-20240929 (https://download.01.org/0day-ci/archive/20240929/202409290628.jR98LDA9-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240929/202409290628.jR98LDA9-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409290628.jR98LDA9-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/pci/tph.c: In function 'write_tag_to_msix':
>> drivers/pci/tph.c:230:26: error: 'struct pci_dev' has no member named 'msix_base'; did you mean 'msix_cap'?
     230 |         vec_ctrl = pdev->msix_base + msix_idx * PCI_MSIX_ENTRY_SIZE;
         |                          ^~~~~~~~~
         |                          msix_cap


vim +230 drivers/pci/tph.c

   205	
   206	/* Write ST to MSI-X vector control reg - Return 0 if OK, otherwise -errno */
   207	static int write_tag_to_msix(struct pci_dev *pdev, int msix_idx, u16 tag)
   208	{
   209		struct msi_desc *msi_desc = NULL;
   210		void __iomem *vec_ctrl;
   211		u32 val, mask, st_val;
   212		int err = 0;
   213	
   214		msi_lock_descs(&pdev->dev);
   215	
   216		/* Find the msi_desc entry with matching msix_idx */
   217		msi_for_each_desc(msi_desc, &pdev->dev, MSI_DESC_ASSOCIATED) {
   218			if (msi_desc->msi_index == msix_idx)
   219				break;
   220		}
   221	
   222		if (!msi_desc) {
   223			err = -ENXIO;
   224			goto err_out;
   225		}
   226	
   227		st_val = (u32)tag;
   228	
   229		/* Get the vector control register (offset 0xc) pointed by msix_idx */
 > 230		vec_ctrl = pdev->msix_base + msix_idx * PCI_MSIX_ENTRY_SIZE;
   231		vec_ctrl += PCI_MSIX_ENTRY_VECTOR_CTRL;
   232	
   233		val = readl(vec_ctrl);
   234		mask = PCI_MSIX_ENTRY_CTRL_ST_LOWER | PCI_MSIX_ENTRY_CTRL_ST_UPPER;
   235		val &= ~mask;
   236		val |= FIELD_PREP(mask, st_val);
   237		writel(val, vec_ctrl);
   238	
   239		/* Read back to flush the update */
   240		val = readl(vec_ctrl);
   241	
   242	err_out:
   243		msi_unlock_descs(&pdev->dev);
   244		return err;
   245	}
   246	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki