Re: [RESEND PATCH 2/5] PCI: Add PCI_EXP_DEVCTL_PAYLOAD_* macros

From: Lorenzo Pieralisi
Date: Fri Aug 13 2021 - 11:46:53 EST


On Fri, Jun 25, 2021 at 12:26:18AM +0200, Pali Rohár wrote:
> Define a macro PCI_EXP_DEVCTL_PAYLOAD_* for every possible Max Payload
> Size in linux/pci_regs.h, in the same style as PCI_EXP_DEVCTL_READRQ_*.
>
> Signed-off-by: Pali Rohár <pali@xxxxxxxxxx>
> Reviewed-by: Marek Behún <kabel@xxxxxxxxxx>
> ---
> include/uapi/linux/pci_regs.h | 6 ++++++
> 1 file changed, 6 insertions(+)

I'd need Bjorn's ACK to proceed with this series.

Thanks,
Lorenzo

> diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
> index e709ae8235e7..ff6ccbc6efe9 100644
> --- a/include/uapi/linux/pci_regs.h
> +++ b/include/uapi/linux/pci_regs.h
> @@ -504,6 +504,12 @@
> #define PCI_EXP_DEVCTL_URRE 0x0008 /* Unsupported Request Reporting En. */
> #define PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */
> #define PCI_EXP_DEVCTL_PAYLOAD 0x00e0 /* Max_Payload_Size */
> +#define PCI_EXP_DEVCTL_PAYLOAD_128B 0x0000 /* 128 Bytes */
> +#define PCI_EXP_DEVCTL_PAYLOAD_256B 0x0020 /* 256 Bytes */
> +#define PCI_EXP_DEVCTL_PAYLOAD_512B 0x0040 /* 512 Bytes */
> +#define PCI_EXP_DEVCTL_PAYLOAD_1024B 0x0060 /* 1024 Bytes */
> +#define PCI_EXP_DEVCTL_PAYLOAD_2048B 0x0080 /* 2048 Bytes */
> +#define PCI_EXP_DEVCTL_PAYLOAD_4096B 0x00a0 /* 4096 Bytes */
> #define PCI_EXP_DEVCTL_EXT_TAG 0x0100 /* Extended Tag Field Enable */
> #define PCI_EXP_DEVCTL_PHANTOM 0x0200 /* Phantom Functions Enable */
> #define PCI_EXP_DEVCTL_AUX_PME 0x0400 /* Auxiliary Power PM Enable */
> --
> 2.20.1
>