Do not lock the volume when the volume maps to a file instead of a physical disk.

[mirror_edk2.git] / OvmfPkg / OvmfPkg.dec

diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec
index 45ba8bed1d39573eb3fb088c9721c7a90c2464ed..d874f0c44f6d3f2dc34d36f3b70b2ccde564ee20 100644 (file)
--- a/OvmfPkg/OvmfPkg.dec
+++ b/OvmfPkg/OvmfPkg.dec
@@ -23,6 +23,10 @@
   Include\r
 \r
 [LibraryClasses]\r
+  ##  @libraryclass  Loads and boots a Linux kernel image\r
+  #\r
+  LoadLinuxLib|Include/Library/LoadLinuxLib.h\r
+\r
   ##  @libraryclass  Save and restore variables using a file\r
   #\r
   NvVarsFileLib|Include/Library/NvVarsFileLib.h\r
@@ -49,6 +53,21 @@
   ## This flag is used to control the destination port for PlatformDebugLibIoPort\r
   gUefiOvmfPkgTokenSpaceGuid.PcdDebugIoPort|0x402|UINT16|4\r
 \r
+  ## This flag determines the Power Management Base Address of choice, written\r
+  #  to PIIX4 function 3 offset 0x40-0x43 bits [15:6].\r
+  gUefiOvmfPkgTokenSpaceGuid.PcdAcpiPmBaseAddress|0xB000|UINT16|5\r
+\r
+  ## When VirtioScsiDxe is instantiated for a HBA, the numbers of targets and\r
+  #  LUNs are retrieved from the host during virtio-scsi setup.\r
+  #  MdeModulePkg/Bus/Scsi/ScsiBusDxe then scans all MaxTarget * MaxLun\r
+  #  possible devices. This can take extremely long, for example with\r
+  #  MaxTarget=255 and MaxLun=16383. The *inclusive* constants below limit\r
+  #  MaxTarget and MaxLun, independently, should the host report higher values,\r
+  #  so that scanning the number of devices given by their product is still\r
+  #  acceptably fast.\r
+  gUefiOvmfPkgTokenSpaceGuid.PcdVirtioScsiMaxTargetLimit|31|UINT16|6\r
+  gUefiOvmfPkgTokenSpaceGuid.PcdVirtioScsiMaxLunLimit|7|UINT32|7\r
+\r
 [PcdsDynamic, PcdsDynamicEx]\r
   gUefiOvmfPkgTokenSpaceGuid.PcdEmuVariableEvent|0|UINT64|2\r
 \r