PCI: Add PCI_EXT_CAP_ID_PL_32GT define

Add the define for PCI_EXT_CAP_ID_PL_32GT for drivers that will want this
whilst doing Gen5/Gen6 accesses.

Link: https://lore.kernel.org/r/20230531095713.293229-1-ben.dooks@codethink.co.uk
Signed-off-by: Ben Dooks <ben.dooks@sifive.com>
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index dc2000e..e5f558d 100644 (file)
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -738,6 +738,7 @@
 #define PCI_EXT_CAP_ID_DVSEC   0x23    /* Designated Vendor-Specific */
 #define PCI_EXT_CAP_ID_DLF     0x25    /* Data Link Feature */
 #define PCI_EXT_CAP_ID_PL_16GT 0x26    /* Physical Layer 16.0 GT/s */
+#define PCI_EXT_CAP_ID_PL_32GT  0x2A    /* Physical Layer 32.0 GT/s */
 #define PCI_EXT_CAP_ID_DOE     0x2E    /* Data Object Exchange */
 #define PCI_EXT_CAP_ID_MAX     PCI_EXT_CAP_ID_DOE