diff options
Diffstat (limited to 'include/linux/pci_regs.h')
-rw-r--r-- | include/linux/pci_regs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index 4b608f543412..e7642f5bb12a 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h | |||
@@ -507,6 +507,12 @@ | |||
507 | #define PCI_EXP_RTSTA 32 /* Root Status */ | 507 | #define PCI_EXP_RTSTA 32 /* Root Status */ |
508 | #define PCI_EXP_RTSTA_PME 0x10000 /* PME status */ | 508 | #define PCI_EXP_RTSTA_PME 0x10000 /* PME status */ |
509 | #define PCI_EXP_RTSTA_PENDING 0x20000 /* PME pending */ | 509 | #define PCI_EXP_RTSTA_PENDING 0x20000 /* PME pending */ |
510 | /* | ||
511 | * Note that the following PCI Express 'Capability Structure' registers | ||
512 | * were introduced with 'Capability Version' 0x2 (v2). These registers | ||
513 | * do not exist on devices with Capability Version 1. Use pci_pcie_cap2() | ||
514 | * to use these fields safely. | ||
515 | */ | ||
510 | #define PCI_EXP_DEVCAP2 36 /* Device Capabilities 2 */ | 516 | #define PCI_EXP_DEVCAP2 36 /* Device Capabilities 2 */ |
511 | #define PCI_EXP_DEVCAP2_ARI 0x20 /* Alternative Routing-ID */ | 517 | #define PCI_EXP_DEVCAP2_ARI 0x20 /* Alternative Routing-ID */ |
512 | #define PCI_EXP_DEVCAP2_LTR 0x800 /* Latency tolerance reporting */ | 518 | #define PCI_EXP_DEVCAP2_LTR 0x800 /* Latency tolerance reporting */ |