diff options
| -rw-r--r-- | MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressBlockIo.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressBlockIo.c b/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressBlockIo.c index 5ac90745bd..92d7d923df 100644 --- a/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressBlockIo.c +++ b/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressBlockIo.c @@ -127,7 +127,10 @@ WriteSectors ( CommandPacket.NvmeCmd->Cdw10 = (UINT32)Lba;
CommandPacket.NvmeCmd->Cdw11 = (UINT32)RShiftU64(Lba, 32);
- CommandPacket.NvmeCmd->Cdw12 = (Blocks - 1) & 0xFFFF;
+ //
+ // Set Force Unit Access bit (bit 30) to use write-through behaviour
+ //
+ CommandPacket.NvmeCmd->Cdw12 = ((Blocks - 1) & 0xFFFF) | BIT30;
CommandPacket.MetadataBuffer = NULL;
CommandPacket.MetadataLength = 0;
|