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-rw-r--r--OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatform.h17
-rw-r--r--OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatformDxe.inf1
-rw-r--r--OvmfPkg/Bhyve/AcpiPlatformDxe/PciDecoding.c232
3 files changed, 0 insertions, 250 deletions
diff --git a/OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatform.h b/OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatform.h
index 54d1af073e..b75292b735 100644
--- a/OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatform.h
+++ b/OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatform.h
@@ -21,11 +21,6 @@
#include <Library/XenPlatformLib.h>
#include <IndustryStandard/Acpi.h>
-typedef struct {
- EFI_PCI_IO_PROTOCOL *PciIo;
- UINT64 PciAttributes;
-} ORIGINAL_ATTRIBUTES;
-
typedef struct S3_CONTEXT S3_CONTEXT;
EFI_STATUS
@@ -58,16 +53,4 @@ InstallAcpiTables (
IN EFI_ACPI_TABLE_PROTOCOL *AcpiTable
);
-VOID
-EnablePciDecoding (
- OUT ORIGINAL_ATTRIBUTES **OriginalAttributes,
- OUT UINTN *Count
- );
-
-VOID
-RestorePciDecoding (
- IN ORIGINAL_ATTRIBUTES *OriginalAttributes,
- IN UINTN Count
- );
-
#endif /* _ACPI_PLATFORM_H_INCLUDED_ */
diff --git a/OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatformDxe.inf b/OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatformDxe.inf
index 75ed8e4a7d..2e228d815b 100644
--- a/OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatformDxe.inf
+++ b/OvmfPkg/Bhyve/AcpiPlatformDxe/AcpiPlatformDxe.inf
@@ -26,7 +26,6 @@
AcpiPlatform.h
Bhyve.c
EntryPoint.c
- PciDecoding.c
[Packages]
MdePkg/MdePkg.dec
diff --git a/OvmfPkg/Bhyve/AcpiPlatformDxe/PciDecoding.c b/OvmfPkg/Bhyve/AcpiPlatformDxe/PciDecoding.c
deleted file mode 100644
index 0dcf3517f1..0000000000
--- a/OvmfPkg/Bhyve/AcpiPlatformDxe/PciDecoding.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/** @file
- Temporarily enable IO and MMIO decoding for all PCI devices while QEMU
- regenerates the ACPI tables.
-
- Copyright (C) 2016, Red Hat, Inc.
-
- SPDX-License-Identifier: BSD-2-Clause-Patent
-**/
-
-#include <Library/MemoryAllocationLib.h>
-
-#include "AcpiPlatform.h"
-
-/**
- Collect all PciIo protocol instances in the system. Save their original
- attributes, and enable IO and MMIO decoding for each.
-
- This is a best effort function; it doesn't return status codes. Its
- caller is supposed to proceed even if this function fails.
-
- @param[out] OriginalAttributes On output, a dynamically allocated array of
- ORIGINAL_ATTRIBUTES elements. The array lists
- the PciIo protocol instances found in the
- system at the time of the call, plus the
- original PCI attributes for each.
-
- Before returning, the function enables IO and
- MMIO decoding for each PciIo instance it
- finds.
-
- On error, or when no such instances are
- found, OriginalAttributes is set to NULL.
-
- @param[out] Count On output, the number of elements in
- OriginalAttributes. On error it is set to
- zero.
-**/
-VOID
-EnablePciDecoding (
- OUT ORIGINAL_ATTRIBUTES **OriginalAttributes,
- OUT UINTN *Count
- )
-{
- EFI_STATUS Status;
- UINTN NoHandles;
- EFI_HANDLE *Handles;
- ORIGINAL_ATTRIBUTES *OrigAttrs;
- UINTN Idx;
-
- *OriginalAttributes = NULL;
- *Count = 0;
-
- if (PcdGetBool (PcdPciDisableBusEnumeration)) {
- //
- // The platform downloads ACPI tables from QEMU in general, but there are
- // no root bridges in this execution. We're done.
- //
- return;
- }
-
- Status = gBS->LocateHandleBuffer (
- ByProtocol,
- &gEfiPciIoProtocolGuid,
- NULL /* SearchKey */,
- &NoHandles,
- &Handles
- );
- if (Status == EFI_NOT_FOUND) {
- //
- // No PCI devices were found on either of the root bridges. We're done.
- //
- return;
- }
-
- if (EFI_ERROR (Status)) {
- DEBUG ((
- DEBUG_WARN,
- "%a: LocateHandleBuffer(): %r\n",
- __func__,
- Status
- ));
- return;
- }
-
- OrigAttrs = AllocatePool (NoHandles * sizeof *OrigAttrs);
- if (OrigAttrs == NULL) {
- DEBUG ((
- DEBUG_WARN,
- "%a: AllocatePool(): out of resources\n",
- __func__
- ));
- goto FreeHandles;
- }
-
- for (Idx = 0; Idx < NoHandles; ++Idx) {
- EFI_PCI_IO_PROTOCOL *PciIo;
- UINT64 Attributes;
-
- //
- // Look up PciIo on the handle and stash it
- //
- Status = gBS->HandleProtocol (
- Handles[Idx],
- &gEfiPciIoProtocolGuid,
- (VOID **)&PciIo
- );
- ASSERT_EFI_ERROR (Status);
- OrigAttrs[Idx].PciIo = PciIo;
-
- //
- // Stash the current attributes
- //
- Status = PciIo->Attributes (
- PciIo,
- EfiPciIoAttributeOperationGet,
- 0,
- &OrigAttrs[Idx].PciAttributes
- );
- if (EFI_ERROR (Status)) {
- DEBUG ((
- DEBUG_WARN,
- "%a: EfiPciIoAttributeOperationGet: %r\n",
- __func__,
- Status
- ));
- goto RestoreAttributes;
- }
-
- //
- // Retrieve supported attributes
- //
- Status = PciIo->Attributes (
- PciIo,
- EfiPciIoAttributeOperationSupported,
- 0,
- &Attributes
- );
- if (EFI_ERROR (Status)) {
- DEBUG ((
- DEBUG_WARN,
- "%a: EfiPciIoAttributeOperationSupported: %r\n",
- __func__,
- Status
- ));
- goto RestoreAttributes;
- }
-
- //
- // Enable IO and MMIO decoding
- //
- Attributes &= EFI_PCI_IO_ATTRIBUTE_IO | EFI_PCI_IO_ATTRIBUTE_MEMORY;
- Status = PciIo->Attributes (
- PciIo,
- EfiPciIoAttributeOperationEnable,
- Attributes,
- NULL
- );
- if (EFI_ERROR (Status)) {
- DEBUG ((
- DEBUG_WARN,
- "%a: EfiPciIoAttributeOperationEnable: %r\n",
- __func__,
- Status
- ));
- goto RestoreAttributes;
- }
- }
-
- //
- // Success
- //
- FreePool (Handles);
- *OriginalAttributes = OrigAttrs;
- *Count = NoHandles;
- return;
-
-RestoreAttributes:
- while (Idx > 0) {
- --Idx;
- OrigAttrs[Idx].PciIo->Attributes (
- OrigAttrs[Idx].PciIo,
- EfiPciIoAttributeOperationSet,
- OrigAttrs[Idx].PciAttributes,
- NULL
- );
- }
-
- FreePool (OrigAttrs);
-
-FreeHandles:
- FreePool (Handles);
-}
-
-/**
- Restore the original PCI attributes saved with EnablePciDecoding().
-
- @param[in] OriginalAttributes The array allocated and populated by
- EnablePciDecoding(). This parameter may be
- NULL. If OriginalAttributes is NULL, then the
- function is a no-op; otherwise the PciIo
- attributes will be restored, and the
- OriginalAttributes array will be freed.
-
- @param[in] Count The Count value stored by EnablePciDecoding(),
- the number of elements in OriginalAttributes.
- Count may be zero if and only if
- OriginalAttributes is NULL.
-**/
-VOID
-RestorePciDecoding (
- IN ORIGINAL_ATTRIBUTES *OriginalAttributes,
- IN UINTN Count
- )
-{
- UINTN Idx;
-
- ASSERT ((OriginalAttributes == NULL) == (Count == 0));
- if (OriginalAttributes == NULL) {
- return;
- }
-
- for (Idx = 0; Idx < Count; ++Idx) {
- OriginalAttributes[Idx].PciIo->Attributes (
- OriginalAttributes[Idx].PciIo,
- EfiPciIoAttributeOperationSet,
- OriginalAttributes[Idx].PciAttributes,
- NULL
- );
- }
-
- FreePool (OriginalAttributes);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 02:21:15 +0000