diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2025-10-31 14:28:57 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2025-11-03 19:27:41 -0800 |
| commit | c0c1262fbfbafe943dbccd5f97b500b72dbd2205 (patch) | |
| tree | ffbec5e258c463324104b776eb7a677a0ec4f623 /include/linux/pci.h | |
| parent | 3225f52cde56f46789a4972d3c54df8a4d75f022 (diff) | |
PCI: Add PCIe Device 3 Extended Capability enumeration
PCIe r7.0 Section 7.7.9 Device 3 Extended Capability Structure, defines the
canonical location for determining the Flit Mode of a device. This status
is a dependency for PCIe IDE enabling. Add a new fm_enabled flag to 'struct
pci_dev'.
Cc: Lukas Wunner <lukas@wunner.de>
Cc: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Samuel Ortiz <sameo@rivosinc.com>
Cc: Alexey Kardashevskiy <aik@amd.com>
Cc: Xu Yilun <yilun.xu@linux.intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Link: https://patch.msgid.link/20251031212902.2256310-6-dan.j.williams@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 2f9c0cb6a50a..ea94799c81b0 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -450,6 +450,7 @@ struct pci_dev { unsigned int pasid_enabled:1; /* Process Address Space ID */ unsigned int pri_enabled:1; /* Page Request Interface */ unsigned int tph_enabled:1; /* TLP Processing Hints */ + unsigned int fm_enabled:1; /* Flit Mode (segment captured) */ unsigned int is_managed:1; /* Managed via devres */ unsigned int is_msi_managed:1; /* MSI release via devres installed */ unsigned int needs_freset:1; /* Requires fundamental reset */ |