Subject: Re: [PATCH V1 6/9] PCI/TPH: Retrieve steering tag from ACPI _DSM

From: kernel test robot <[email-masked]>
Date: Fri, 10 May 2024 12:20:29 +0800

Hi Wei,

kernel test robot noticed the following build errors:

[auto build test ERROR on pci/for-linus]
[also build test ERROR on awilliam-vfio/next linus/master awilliam-vfio/for-linus v6.9-rc7 next-20240509]
[cannot apply to pci/next horms-ipvs/master]
[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-Introduce-PCIe-TPH-support-framework/20240510-003504
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git for-linus
patch link:    https://lore.kernel.org/r/20240509162741.1937586-7-wei.huang2%40amd.com
patch subject: [PATCH V1 6/9] PCI/TPH: Retrieve steering tag from ACPI _DSM
config: parisc-randconfig-r081-20240510 (https://download.01.org/0day-ci/archive/20240510/[email-masked]/config)
compiler: hppa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240510/[email-masked]/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 <[email-masked]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email-masked]/

All errors (new ones prefixed by >>):

   drivers/pci/pcie/tph.c: In function 'tph_msix_table_entry':
   drivers/pci/pcie/tph.c:95:22: error: 'struct pci_dev' has no member named 'msix_base'; did you mean 'msix_cap'?
      95 |         entry = dev->msix_base + msi_index * PCI_MSIX_ENTRY_SIZE;
         |                      ^~~~~~~~~
         |                      msix_cap
   drivers/pci/pcie/tph.c: In function 'invoke_dsm':
>> drivers/pci/pcie/tph.c:221:46: error: 'pci_acpi_dsm_guid' undeclared (first use in this function)
     221 |         out_obj = acpi_evaluate_dsm(handle, &pci_acpi_dsm_guid, MIN_ST_DSM_REV,
         |                                              ^~~~~~~~~~~~~~~~~
   drivers/pci/pcie/tph.c:221:46: note: each undeclared identifier is reported only once for each function it appears in

vim +/pci_acpi_dsm_guid +221 drivers/pci/pcie/tph.c

   196	
   197	#define MIN_ST_DSM_REV		7
   198	#define ST_DSM_FUNC_INDEX	0xf
   199	static bool invoke_dsm(acpi_handle handle, u32 cpu_uid, u8 ph,
   200			       u8 target_type, bool cache_ref_valid,
   201			       u64 cache_ref, union st_info *st_out)
   202	{
   203		union acpi_object in_obj, in_buf[3], *out_obj;
   204	
   205		in_buf[0].integer.type = ACPI_TYPE_INTEGER;
   206		in_buf[0].integer.value = 0; /* 0 => processor cache steering tags */
   207	
   208		in_buf[1].integer.type = ACPI_TYPE_INTEGER;
   209		in_buf[1].integer.value = cpu_uid;
   210	
   211		in_buf[2].integer.type = ACPI_TYPE_INTEGER;
   212		in_buf[2].integer.value = ph & 3;
   213		in_buf[2].integer.value |= (target_type & 1) << 2;
   214		in_buf[2].integer.value |= (cache_ref_valid & 1) << 3;
   215		in_buf[2].integer.value |= (cache_ref << 32);
   216	
   217		in_obj.type = ACPI_TYPE_PACKAGE;
   218		in_obj.package.count = ARRAY_SIZE(in_buf);
   219		in_obj.package.elements = in_buf;
   220	
 > 221		out_obj = acpi_evaluate_dsm(handle, &pci_acpi_dsm_guid, MIN_ST_DSM_REV,
   222					    ST_DSM_FUNC_INDEX, &in_obj);
   223	
   224		if (!out_obj)
   225			return false;
   226	
   227		if (out_obj->type != ACPI_TYPE_BUFFER) {
   228			pr_err("invalid return type %d from TPH _DSM\n",
   229			       out_obj->type);
   230			ACPI_FREE(out_obj);
   231			return false;
   232		}
   233	
   234		st_out->value = *((u64 *)(out_obj->buffer.pointer));
   235	
   236		ACPI_FREE(out_obj);
   237	
   238		return true;
   239	}
   240	

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