linux-kernel - Re: [PATCH v2 2/3] PCI: Add AER bits #defines for PCIe to PCI/PCI-X Bridge

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Date: Wed, 8 May 2024 17:10:09 -0500
From: Bjorn Helgaas <helgaas@...nel.org>
To: LeoLiu-oc <LeoLiu-oc@...oxin.com>
Cc: rafael@...nel.org, lenb@...nel.org, james.morse@....com,
	tony.luck@...el.com, bp@...en8.de, bhelgaas@...gle.com,
	robert.moore@...el.com, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	acpica-devel@...ts.linux.dev, CobeChen@...oxin.com,
	TonyWWang@...oxin.com, ErosZhang@...oxin.com, LeoLiu@...oxin.com
Subject: Re: [PATCH v2 2/3] PCI: Add AER bits #defines for PCIe to PCI/PCI-X
 Bridge

On Mon, Dec 18, 2023 at 11:04:29AM +0800, LeoLiu-oc wrote:
> From: LeoLiuoc <LeoLiu-oc@...oxin.com>
> 
> Define secondary uncorrectable error mask register, secondary
> uncorrectable error severity register and secondary error capabilities and
> control register bits in AER capability for PCIe to PCI/PCI-X Bridge.
> Please refer to PCIe to PCI/PCI-X Bridge Specification, sec 5.2.3.2,
> 5.2.3.3 and 5.2.3.4.

Please include the spec revision.  The only one I'm aware of is r1.0.

> Signed-off-by: LeoLiuoc <LeoLiu-oc@...oxin.com>
> ---
>  include/uapi/linux/pci_regs.h | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
> index a39193213ff2..987c513192e8 100644
> --- a/include/uapi/linux/pci_regs.h
> +++ b/include/uapi/linux/pci_regs.h
> @@ -802,6 +802,9 @@
>  #define  PCI_ERR_ROOT_FATAL_RCV		0x00000040 /* Fatal Received */
>  #define  PCI_ERR_ROOT_AER_IRQ		0xf8000000 /* Advanced Error Interrupt Message Number */
>  #define PCI_ERR_ROOT_ERR_SRC	0x34	/* Error Source Identification */
> +#define PCI_ERR_UNCOR_MASK2	0x30    /* PCIe to PCI/PCI-X Bridge */
> +#define PCI_ERR_UNCOR_SEVER2	0x34    /* PCIe to PCI/PCI-X Bridge */
> +#define PCI_ERR_CAP2	0x38    /* PCIe to PCI/PCI-X Bridge */
>  
>  /* Virtual Channel */
>  #define PCI_VC_PORT_CAP1	0x04
> -- 
> 2.34.1
>