(+ sean, mike)

I tried to merge this but it is rejected by CI, and I got lost in the
maze of CI status and report pages. Could someone please figure out
what's wrong?

https://github.com/tianocore/edk2/pull/2841

On Wed, 27 Apr 2022 at 12:07, Corvin Köhne <c.koe...@beckhoff.com> wrote:
>
> QemuFwCfg is much more powerful than BhyveFwCtl. Sadly, BhyveFwCtl
> decided to use the same IO ports as QemuFwCfg. It's not possible to use
> both interfaces simultaneously. So, prefer QemuFwCfg over BhyveFwCtl.
>
> Signed-off-by: Corvin Köhne <c.koe...@beckhoff.com>
> Reviewed-by: Rebecca Cran <rebe...@bsdio.com>
> Acked-by: Gerd Hoffmann <kra...@redhat.com>
> Acked-by: Peter Grehan <gre...@freebsd.org>
> Acked-by: Jiewen Yao <jiewen....@intel.com>
> Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>
> Cc: Jordan Justen <jordan.l.jus...@intel.com>
> Cc: EDKII devel group <devel@edk2.groups.io>
> Cc: FreeBSD Virtualization <freebsd-virtualizat...@freebsd.org>
> ---
>  OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatformDxe.inf |  1 +
>  OvmfPkg/Bhyve/AcpiPlatformDxe/Bhyve.c             | 41 
> ++++++++++++++++++++---
>  OvmfPkg/Bhyve/BhyveX64.dsc                        |  4 +--
>  3 files changed, 40 insertions(+), 6 deletions(-)
>
> diff --git a/OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatformDxe.inf 
> b/OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatformDxe.inf
> index 595fd055f9..94c65f32dc 100644
> --- a/OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatformDxe.inf
> +++ b/OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatformDxe.inf
> @@ -43,6 +43,7 @@
>    MemoryAllocationLib
>    OrderedCollectionLib
>    PcdLib
> +  QemuFwCfgLib
>    UefiBootServicesTableLib
>    UefiDriverEntryPoint
>    UefiLib
> diff --git a/OvmfPkg/Bhyve/AcpiPlatformDxe/Bhyve.c 
> b/OvmfPkg/Bhyve/AcpiPlatformDxe/Bhyve.c
> index 8e80aa33e1..e216a21bfa 100644
> --- a/OvmfPkg/Bhyve/AcpiPlatformDxe/Bhyve.c
> +++ b/OvmfPkg/Bhyve/AcpiPlatformDxe/Bhyve.c
> @@ -11,6 +11,41 @@
>  #include <Library/BaseMemoryLib.h>
>  #include <Library/BhyveFwCtlLib.h>
>  #include <Library/MemoryAllocationLib.h>
> +#include <Library/QemuFwCfgLib.h>             // QemuFwCfgFindFile()
> +
> +STATIC
> +EFI_STATUS
> +EFIAPI
> +BhyveGetCpuCount (
> +  OUT UINT32  *CpuCount
> +  )
> +{
> +  FIRMWARE_CONFIG_ITEM  Item;
> +  UINTN                 Size;
> +
> +  if (QemuFwCfgIsAvailable ()) {
> +    if (EFI_ERROR (QemuFwCfgFindFile ("opt/bhyve/hw.ncpu", &Item, &Size))) {
> +      return EFI_NOT_FOUND;
> +    } else if (Size != sizeof (*CpuCount)) {
> +      return EFI_BAD_BUFFER_SIZE;
> +    }
> +
> +    QemuFwCfgSelectItem (Item);
> +    QemuFwCfgReadBytes (Size, CpuCount);
> +
> +    return EFI_SUCCESS;
> +  }
> +
> +  //
> +  // QemuFwCfg not available, try BhyveFwCtl.
> +  //
> +  Size = sizeof (*CpuCount);
> +  if (BhyveFwCtlGet ("hw.ncpu", CpuCount, &Size) == RETURN_SUCCESS) {
> +    return EFI_SUCCESS;
> +  }
> +
> +  return EFI_UNSUPPORTED;
> +}
>
>  STATIC
>  EFI_STATUS
> @@ -23,7 +58,6 @@ BhyveInstallAcpiMadtTable (
>    )
>  {
>    UINT32                                               CpuCount;
> -  UINTN                                                cSize;
>    UINTN                                                NewBufferSize;
>    EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER  *Madt;
>    EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC_STRUCTURE          *LocalApic;
> @@ -36,9 +70,8 @@ BhyveInstallAcpiMadtTable (
>    ASSERT (AcpiTableBufferSize >= sizeof (EFI_ACPI_DESCRIPTION_HEADER));
>
>    // Query the host for the number of vCPUs
> -  CpuCount = 0;
> -  cSize    = sizeof (CpuCount);
> -  if (BhyveFwCtlGet ("hw.ncpu", &CpuCount, &cSize) == RETURN_SUCCESS) {
> +  Status = BhyveGetCpuCount (&CpuCount);
> +  if (!EFI_ERROR (Status)) {
>      DEBUG ((DEBUG_INFO, "Retrieved CpuCount %d\n", CpuCount));
>      ASSERT (CpuCount >= 1);
>    } else {
> diff --git a/OvmfPkg/Bhyve/BhyveX64.dsc b/OvmfPkg/Bhyve/BhyveX64.dsc
> index a8fa4d38ab..002cef32a3 100644
> --- a/OvmfPkg/Bhyve/BhyveX64.dsc
> +++ b/OvmfPkg/Bhyve/BhyveX64.dsc
> @@ -164,8 +164,7 @@
>    
> SecurityManagementLib|MdeModulePkg/Library/DxeSecurityManagementLib/DxeSecurityManagementLib.inf
>    UefiUsbLib|MdePkg/Library/UefiUsbLib/UefiUsbLib.inf
>    
> SerializeVariablesLib|OvmfPkg/Library/SerializeVariablesLib/SerializeVariablesLib.inf
> -  QemuFwCfgLib|OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibNull.inf
> -  QemuFwCfgS3Lib|OvmfPkg/Library/QemuFwCfgS3Lib/BaseQemuFwCfgS3LibNull.inf
> +  QemuFwCfgLib|OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgDxeLib.inf
>    BhyveFwCtlLib|OvmfPkg/Library/BhyveFwCtlLib/BhyveFwCtlLib.inf
>    VirtioLib|OvmfPkg/Library/VirtioLib/VirtioLib.inf
>    
> MemEncryptSevLib|OvmfPkg/Library/BaseMemEncryptSevLib/DxeMemEncryptSevLib.inf
> @@ -358,6 +357,7 @@
>  !endif
>    PciLib|OvmfPkg/Library/DxePciLibI440FxQ35/DxePciLibI440FxQ35.inf
>    MpInitLib|UefiCpuPkg/Library/MpInitLibUp/MpInitLibUp.inf
> +  QemuFwCfgS3Lib|OvmfPkg/Library/QemuFwCfgS3Lib/DxeQemuFwCfgS3LibFwCfg.inf
>
>  [LibraryClasses.common.UEFI_APPLICATION]
>    PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
> --
> 2.11.0
>
> Beckhoff Automation GmbH & Co. KG | Managing Director: Dipl. Phys. Hans 
> Beckhoff
> Registered office: Verl, Germany | Register court: Guetersloh HRA 7075
>
>
>


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