diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c b/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c index d1231aca8..4320549ed 100644 --- a/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c +++ b/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c @@ -387,6 +387,7 @@ NvmExpressPassThru ( UINT64 *Prp;
VOID *PrpListHost;
UINTN PrpListNo;
+ UINT32 Data;
//
// check the data fields in Packet parameter.
@@ -431,8 +432,8 @@ NvmExpressPassThru ( //
// Currently we only support PRP for data transfer, SGL is NOT supported.
//
- ASSERT ((Sq->Opc & BIT15) == 0);
- if ((Sq->Opc & BIT15) != 0) {
+ ASSERT (Sq->Psdt == 0);
+ if (Sq->Psdt != 0) {
DEBUG ((EFI_D_ERROR, "NvmExpressPassThru: doesn't support SGL mechanism\n"));
return EFI_UNSUPPORTED;
}
@@ -534,14 +535,14 @@ NvmExpressPassThru ( // Ring the submission queue doorbell.
//
Private->SqTdbl[Qid].Sqt ^= 1;
-
+ Data = ReadUnaligned32 ((UINT32*)&Private->SqTdbl[Qid]);
PciIo->Mem.Write (
PciIo,
EfiPciIoWidthUint32,
NVME_BAR,
NVME_SQTDBL_OFFSET(Qid, Private->Cap.Dstrd),
1,
- &Private->SqTdbl[Qid]
+ &Data
);
Status = gBS->CreateEvent (
@@ -591,13 +592,14 @@ NvmExpressPassThru ( NvmeDumpStatus(Cq);
DEBUG_CODE_END();
+ Data = ReadUnaligned32 ((UINT32*)&Private->CqHdbl[Qid]);
PciIo->Mem.Write (
PciIo,
EfiPciIoWidthUint32,
NVME_BAR,
NVME_CQHDBL_OFFSET(Qid, Private->Cap.Dstrd),
1,
- &Private->CqHdbl[Qid]
+ &Data
);
EXIT:
|