[edk2-devel] [PATCH 02/13] MdePkg/Amd: add white spaces to retain alignment for future expansion

[Laszlo Ersek]

On 05/07/21 22:38, Brijesh Singh wrote:
> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3275
> 
> Version 2 of the GHCB spec introduces several new SNP-specific NAEs.
> Unfortunately, the names for those NAEs break the alignment. Add some
> white spaces so that the SNP support patches do not break the alignment.
> 
> Cc: James Bottomley <jejb at linux.ibm.com>
> Cc: Min Xu <min.m.xu at intel.com>
> Cc: Jiewen Yao <jiewen.yao at intel.com>
> Cc: Tom Lendacky <thomas.lendacky at amd.com>
> Cc: Jordan Justen <jordan.l.justen at intel.com>
> Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>
> Cc: Laszlo Ersek <lersek at redhat.com>
> Cc: Erdem Aktas <erdemaktas at google.com>
> Cc: Michael D Kinney <michael.d.kinney at intel.com>
> Cc: Liming Gao <gaoliming at byosoft.com.cn>
> Cc: Zhiguang Liu <zhiguang.liu at intel.com>
> Signed-off-by: Brijesh Singh <brijesh.singh at amd.com>
> ---
>  MdePkg/Include/Register/Amd/Fam17Msr.h | 10 +++++-----
>  MdePkg/Include/Register/Amd/Ghcb.h     | 12 ++++++------
>  2 files changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/MdePkg/Include/Register/Amd/Fam17Msr.h b/MdePkg/Include/Register/Amd/Fam17Msr.h
> index 716d52fd508d..7368ce7af02a 100644
> --- a/MdePkg/Include/Register/Amd/Fam17Msr.h
> +++ b/MdePkg/Include/Register/Amd/Fam17Msr.h
> @@ -53,11 +53,11 @@ typedef union {
>    UINT64  GhcbPhysicalAddress;
>  } MSR_SEV_ES_GHCB_REGISTER;
>  
> -#define GHCB_INFO_SEV_INFO                 1
> -#define GHCB_INFO_SEV_INFO_GET             2
> -#define GHCB_INFO_CPUID_REQUEST            4
> -#define GHCB_INFO_CPUID_RESPONSE           5
> -#define GHCB_INFO_TERMINATE_REQUEST        256
> +#define GHCB_INFO_SEV_INFO                          1
> +#define GHCB_INFO_SEV_INFO_GET                      2
> +#define GHCB_INFO_CPUID_REQUEST                     4
> +#define GHCB_INFO_CPUID_RESPONSE                    5
> +#define GHCB_INFO_TERMINATE_REQUEST                 256
>  
>  #define GHCB_TERMINATE_GHCB                0
>  #define GHCB_TERMINATE_GHCB_GENERAL        0
> diff --git a/MdePkg/Include/Register/Amd/Ghcb.h b/MdePkg/Include/Register/Amd/Ghcb.h
> index ccdb662af7a7..712dc8e769c0 100644
> --- a/MdePkg/Include/Register/Amd/Ghcb.h
> +++ b/MdePkg/Include/Register/Amd/Ghcb.h
> @@ -49,12 +49,12 @@
>  //
>  // VMG Special Exit Codes
>  //
> -#define SVM_EXIT_MMIO_READ      0x80000001ULL
> -#define SVM_EXIT_MMIO_WRITE     0x80000002ULL
> -#define SVM_EXIT_NMI_COMPLETE   0x80000003ULL
> -#define SVM_EXIT_AP_RESET_HOLD  0x80000004ULL
> -#define SVM_EXIT_AP_JUMP_TABLE  0x80000005ULL
> -#define SVM_EXIT_UNSUPPORTED    0x8000FFFFULL
> +#define SVM_EXIT_MMIO_READ                      0x80000001ULL
> +#define SVM_EXIT_MMIO_WRITE                     0x80000002ULL
> +#define SVM_EXIT_NMI_COMPLETE                   0x80000003ULL
> +#define SVM_EXIT_AP_RESET_HOLD                  0x80000004ULL
> +#define SVM_EXIT_AP_JUMP_TABLE                  0x80000005ULL
> +#define SVM_EXIT_UNSUPPORTED                    0x8000FFFFULL
>  
>  //
>  // IOIO Exit Information
> 

Based on Liming's feedback at
<https://listman.redhat.com/archives/edk2-devel-archive/2021-May/msg00157.html>,
I'll change the subject of this patch to:

MdePkg/Register/Amd: realign macros with more space for future expansion

(72 chars)

Reviewed-by: Laszlo Ersek <lersek at redhat.com>

Thanks,
Laszlo



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