Re: [PATCH 2/4] efi/cper, cxl: Make definitions and structures global

From: Ira Weiny
Date: Tue Jan 02 2024 - 11:30:46 EST


Smita Koralahalli wrote:
> In preparation to add tracepoint support, move protocol error UUID
> definition to a common location and make CXL RAS capability struct
> global for use across different modules.
>
> Signed-off-by: Smita Koralahalli <Smita.KoralahalliChannabasappa@xxxxxxx>

[snip]

> diff --git a/drivers/firmware/efi/cper_cxl.h b/drivers/firmware/efi/cper_cxl.h
> index 86bfcf7909ec..6f8c00495708 100644
> --- a/drivers/firmware/efi/cper_cxl.h
> +++ b/drivers/firmware/efi/cper_cxl.h
> @@ -7,14 +7,11 @@
> * Author: Smita Koralahalli <Smita.KoralahalliChannabasappa@xxxxxxx>
> */
>
> +#include <linux/cxl-event.h>
> +
> #ifndef LINUX_CPER_CXL_H
> #define LINUX_CPER_CXL_H
>
> -/* CXL Protocol Error Section */
> -#define CPER_SEC_CXL_PROT_ERR \
> - GUID_INIT(0x80B9EFB4, 0x52B5, 0x4DE3, 0xA7, 0x77, 0x68, 0x78, \
> - 0x4B, 0x77, 0x10, 0x48)
> -
> #pragma pack(1)
>
> /* Compute Express Link Protocol Error Section, UEFI v2.10 sec N.2.13 */
> diff --git a/include/linux/cper.h b/include/linux/cper.h
> index c1a7dc325121..2cbf0a93785a 100644
> --- a/include/linux/cper.h
> +++ b/include/linux/cper.h
> @@ -89,6 +89,10 @@ enum {
> #define CPER_NOTIFY_DMAR \
> GUID_INIT(0x667DD791, 0xC6B3, 0x4c27, 0x8A, 0x6B, 0x0F, 0x8E, \
> 0x72, 0x2D, 0xEB, 0x41)
> +/* CXL Protocol Error Section */
> +#define CPER_SEC_CXL_PROT_ERR \
> + GUID_INIT(0x80B9EFB4, 0x52B5, 0x4DE3, 0xA7, 0x77, 0x68, 0x78, \
> + 0x4B, 0x77, 0x10, 0x48)

Is this shared with code outside of GHES? I did not need my GUID defines
outside of ghes.c and further becuase the events are defined as UUID's I
chose to keep the GUID definition as local as possible to ghes.c.

Can you do the same with this define?

The rest looks good,
Ira

[snip]