Re: [PATCH v2 2/4] efi/cper, cxl: Make definitions and structures global

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On Tue, 9 Jan 2024 at 04:48, Smita Koralahalli
<Smita.KoralahalliChannabasappa@xxxxxxx> 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>

Acked-by: Ard Biesheuvel <ardb@xxxxxxxxxx>

> ---
> v2:
>         No change.
> ---
>  drivers/firmware/efi/cper_cxl.c | 11 -----------
>  drivers/firmware/efi/cper_cxl.h |  7 ++-----
>  include/linux/cper.h            |  4 ++++
>  include/linux/cxl-event.h       | 11 +++++++++++
>  4 files changed, 17 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/firmware/efi/cper_cxl.c b/drivers/firmware/efi/cper_cxl.c
> index a55771b99a97..4fd8d783993e 100644
> --- a/drivers/firmware/efi/cper_cxl.c
> +++ b/drivers/firmware/efi/cper_cxl.c
> @@ -18,17 +18,6 @@
>  #define PROT_ERR_VALID_DVSEC                   BIT_ULL(5)
>  #define PROT_ERR_VALID_ERROR_LOG               BIT_ULL(6)
>
> -/* CXL RAS Capability Structure, CXL v3.0 sec 8.2.4.16 */
> -struct cxl_ras_capability_regs {
> -       u32 uncor_status;
> -       u32 uncor_mask;
> -       u32 uncor_severity;
> -       u32 cor_status;
> -       u32 cor_mask;
> -       u32 cap_control;
> -       u32 header_log[16];
> -};
> -
>  static const char * const prot_err_agent_type_strs[] = {
>         "Restricted CXL Device",
>         "Restricted CXL Host Downstream Port",
> 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)
>
>  /*
>   * Flags bits definitions for flags in struct cper_record_header
> diff --git a/include/linux/cxl-event.h b/include/linux/cxl-event.h
> index 6ce839c59749..3a41dd5723e8 100644
> --- a/include/linux/cxl-event.h
> +++ b/include/linux/cxl-event.h
> @@ -141,6 +141,17 @@ struct cxl_cper_event_rec {
>         union cxl_event event;
>  } __packed;
>
> +/* CXL RAS Capability Structure, CXL v3.0 sec 8.2.4.16 */
> +struct cxl_ras_capability_regs {
> +       u32 uncor_status;
> +       u32 uncor_mask;
> +       u32 uncor_severity;
> +       u32 cor_status;
> +       u32 cor_mask;
> +       u32 cap_control;
> +       u32 header_log[16];
> +};
> +
>  struct cxl_cper_event_info {
>         struct cxl_cper_event_rec rec;
>  };
> --
> 2.17.1
>
>




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