pci_regs.h: Add PCI bus link speed and width defines

Add missing PCI bus link speed 8.0 GT/s and bus link widths of
x1, x2, x4 and x8.

CC: <linux-kernel@vger.kernel.org>
CC: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index 4a98e85..c870c2a 100644 (file)
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -489,7 +489,12 @@
 #define  PCI_EXP_LNKSTA_CLS    0x000f  /* Current Link Speed */
 #define  PCI_EXP_LNKSTA_CLS_2_5GB 0x0001 /* Current Link Speed 2.5GT/s */
 #define  PCI_EXP_LNKSTA_CLS_5_0GB 0x0002 /* Current Link Speed 5.0GT/s */
+#define  PCI_EXP_LNKSTA_CLS_8_0GB 0x0003 /* Current Link Speed 8.0GT/s */
 #define  PCI_EXP_LNKSTA_NLW    0x03f0  /* Negotiated Link Width */
+#define  PCI_EXP_LNKSTA_NLW_X1 0x0010  /* Current Link Width x1 */
+#define  PCI_EXP_LNKSTA_NLW_X2 0x0020  /* Current Link Width x2 */
+#define  PCI_EXP_LNKSTA_NLW_X4 0x0040  /* Current Link Width x4 */
+#define  PCI_EXP_LNKSTA_NLW_X8 0x0080  /* Current Link Width x8 */
 #define  PCI_EXP_LNKSTA_NLW_SHIFT 4    /* start of NLW mask in link status */
 #define  PCI_EXP_LNKSTA_LT     0x0800  /* Link Training */
 #define  PCI_EXP_LNKSTA_SLC    0x1000  /* Slot Clock Configuration */