Re: [PATCH 3/5] ACPI/PCI: Add AER bits #defines for PCIE/PCI-X bridges

From: Bjorn Helgaas
Date: Thu Oct 27 2022 - 17:56:52 EST


On Thu, Oct 27, 2022 at 11:15:54AM +0800, LeoLiu-oc wrote:
> From: leoliu-oc <leoliu-oc@xxxxxxxxxxx>
>
> Define PCI Express Advanced Error Reporting Extended Capabilities bits.
>
> Signed-off-by: leoliu-oc <leoliu-oc@xxxxxxxxxxx>
> ---
> include/uapi/linux/pci_regs.h | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
> index 57b8e2ffb1dd..3662106fd8dc 100644
> --- a/include/uapi/linux/pci_regs.h
> +++ b/include/uapi/linux/pci_regs.h
> @@ -799,6 +799,11 @@
> #define PCI_ERR_ROOT_AER_IRQ 0xf8000000 /* Advanced Error Interrupt Message Number */
> #define PCI_ERR_ROOT_ERR_SRC 0x34 /* Error Source Identification */
>
> +/* PCI Express Advanced Error Reporting Extended Capabilities for Bridges */
> +#define PCI_ERR_UNCOR_MASK2 0x30 /* Secondary Uncorrectable Error Mask */
> +#define PCI_ERR_UNCOR_SEVER2 0x34 /* Secondary Uncorrectable Error Severit */
> +#define PCI_ERR_CAP2 0x38 /* Secondary Advanced Error Capabilities */

Can you include a spec reference for these? I'm looking at PCIe r6.0,
sec 7.8.4, and I don't see anything I can match up with these.

Bjorn