NvmExpressDxe driver is used to manage non-volatile memory subsystem which follows\r
NVM Express specification.\r
\r
- Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
{\r
EFI_PCI_IO_PROTOCOL *PciIo;\r
EFI_STATUS Status;\r
+ UINT64 Data;\r
\r
PciIo = Private->PciIo;\r
Status = PciIo->Mem.Read (\r
PciIo,\r
- EfiPciIoWidthUint64,\r
+ EfiPciIoWidthUint32,\r
NVME_BAR,\r
NVME_CAP_OFFSET,\r
- 1,\r
- Cap\r
+ 2,\r
+ &Data\r
);\r
\r
if (EFI_ERROR(Status)) {\r
return Status;\r
}\r
\r
+ WriteUnaligned64 ((UINT64*)Cap, Data);\r
return EFI_SUCCESS;\r
}\r
\r
{\r
EFI_PCI_IO_PROTOCOL *PciIo;\r
EFI_STATUS Status;\r
+ UINT32 Data;\r
\r
PciIo = Private->PciIo;\r
Status = PciIo->Mem.Read (\r
NVME_BAR,\r
NVME_CC_OFFSET,\r
1,\r
- Cc\r
+ &Data\r
);\r
\r
if (EFI_ERROR(Status)) {\r
return Status;\r
}\r
\r
+ WriteUnaligned32 ((UINT32*)Cc, Data);\r
return EFI_SUCCESS;\r
}\r
\r
{\r
EFI_PCI_IO_PROTOCOL *PciIo;\r
EFI_STATUS Status;\r
+ UINT32 Data;\r
\r
PciIo = Private->PciIo;\r
+ Data = ReadUnaligned32 ((UINT32*)Cc);\r
Status = PciIo->Mem.Write (\r
PciIo,\r
EfiPciIoWidthUint32,\r
NVME_BAR,\r
NVME_CC_OFFSET,\r
1,\r
- Cc\r
+ &Data\r
);\r
\r
if (EFI_ERROR(Status)) {\r
{\r
EFI_PCI_IO_PROTOCOL *PciIo;\r
EFI_STATUS Status;\r
+ UINT32 Data;\r
\r
PciIo = Private->PciIo;\r
Status = PciIo->Mem.Read (\r
NVME_BAR,\r
NVME_CSTS_OFFSET,\r
1,\r
- Csts\r
+ &Data\r
);\r
\r
if (EFI_ERROR(Status)) {\r
return Status;\r
}\r
\r
+ WriteUnaligned32 ((UINT32*)Csts, Data);\r
return EFI_SUCCESS;\r
}\r
\r
{\r
EFI_PCI_IO_PROTOCOL *PciIo;\r
EFI_STATUS Status;\r
+ UINT32 Data;\r
\r
PciIo = Private->PciIo;\r
Status = PciIo->Mem.Read (\r
NVME_BAR,\r
NVME_AQA_OFFSET,\r
1,\r
- Aqa\r
+ &Data\r
);\r
\r
if (EFI_ERROR(Status)) {\r
return Status;\r
}\r
\r
+ WriteUnaligned32 ((UINT32*)Aqa, Data);\r
return EFI_SUCCESS;\r
}\r
\r
{\r
EFI_PCI_IO_PROTOCOL *PciIo;\r
EFI_STATUS Status;\r
+ UINT32 Data;\r
\r
PciIo = Private->PciIo;\r
+ Data = ReadUnaligned32 ((UINT32*)Aqa);\r
Status = PciIo->Mem.Write (\r
PciIo,\r
EfiPciIoWidthUint32,\r
NVME_BAR,\r
NVME_AQA_OFFSET,\r
1,\r
- Aqa\r
+ &Data\r
);\r
\r
if (EFI_ERROR(Status)) {\r
{\r
EFI_PCI_IO_PROTOCOL *PciIo;\r
EFI_STATUS Status;\r
+ UINT64 Data;\r
\r
PciIo = Private->PciIo;\r
Status = PciIo->Mem.Read (\r
PciIo,\r
- EfiPciIoWidthUint64,\r
+ EfiPciIoWidthUint32,\r
NVME_BAR,\r
NVME_ASQ_OFFSET,\r
- 1,\r
- Asq\r
+ 2,\r
+ &Data\r
);\r
\r
if (EFI_ERROR(Status)) {\r
return Status;\r
}\r
\r
+ WriteUnaligned64 ((UINT64*)Asq, Data);\r
return EFI_SUCCESS;\r
}\r
\r
{\r
EFI_PCI_IO_PROTOCOL *PciIo;\r
EFI_STATUS Status;\r
+ UINT64 Data;\r
\r
PciIo = Private->PciIo;\r
+ Data = ReadUnaligned64 ((UINT64*)Asq);\r
+\r
Status = PciIo->Mem.Write (\r
PciIo,\r
- EfiPciIoWidthUint64,\r
+ EfiPciIoWidthUint32,\r
NVME_BAR,\r
NVME_ASQ_OFFSET,\r
- 1,\r
- Asq\r
+ 2,\r
+ &Data\r
);\r
\r
if (EFI_ERROR(Status)) {\r
{\r
EFI_PCI_IO_PROTOCOL *PciIo;\r
EFI_STATUS Status;\r
+ UINT64 Data;\r
\r
PciIo = Private->PciIo;\r
+\r
Status = PciIo->Mem.Read (\r
PciIo,\r
- EfiPciIoWidthUint64,\r
+ EfiPciIoWidthUint32,\r
NVME_BAR,\r
NVME_ACQ_OFFSET,\r
- 1,\r
- Acq\r
+ 2,\r
+ &Data\r
);\r
\r
if (EFI_ERROR(Status)) {\r
return Status;\r
}\r
\r
+ WriteUnaligned64 ((UINT64*)Acq, Data);\r
return EFI_SUCCESS;\r
}\r
\r
{\r
EFI_PCI_IO_PROTOCOL *PciIo;\r
EFI_STATUS Status;\r
+ UINT64 Data;\r
\r
PciIo = Private->PciIo;\r
+ Data = ReadUnaligned64 ((UINT64*)Acq);\r
+\r
Status = PciIo->Mem.Write (\r
PciIo,\r
- EfiPciIoWidthUint64,\r
+ EfiPciIoWidthUint32,\r
NVME_BAR,\r
NVME_ACQ_OFFSET,\r
- 1,\r
- Acq\r
+ 2,\r
+ &Data\r
);\r
\r
if (EFI_ERROR(Status)) {\r
NVME_CC Cc;\r
NVME_CSTS Csts;\r
EFI_STATUS Status;\r
+ UINT32 Index;\r
+ UINT8 Timeout;\r
\r
//\r
// Read Controller Configuration Register.\r
return Status;\r
}\r
\r
- gBS->Stall(10000);\r
-\r
//\r
- // Check if the controller is reset\r
+ // Cap.To specifies max delay time in 500ms increments for Csts.Rdy to transition from 1 to 0 after\r
+ // Cc.Enable transition from 1 to 0. Loop produces a 1 millisecond delay per itteration, up to 500 * Cap.To.\r
//\r
- Status = ReadNvmeControllerStatus (Private, &Csts);\r
+ if (Private->Cap.To == 0) {\r
+ Timeout = 1;\r
+ } else {\r
+ Timeout = Private->Cap.To;\r
+ }\r
\r
- if (EFI_ERROR(Status)) {\r
- return Status;\r
+ for(Index = (Timeout * 500); Index != 0; --Index) {\r
+ gBS->Stall(1000);\r
+\r
+ //\r
+ // Check if the controller is initialized\r
+ //\r
+ Status = ReadNvmeControllerStatus (Private, &Csts);\r
+\r
+ if (EFI_ERROR(Status)) {\r
+ return Status;\r
+ }\r
+\r
+ if (Csts.Rdy == 0) {\r
+ break;\r
+ }\r
}\r
\r
- if (Csts.Rdy != 0) {\r
- return EFI_DEVICE_ERROR;\r
+ if (Index == 0) {\r
+ Status = EFI_DEVICE_ERROR;\r
}\r
\r
DEBUG ((EFI_D_INFO, "NVMe controller is disabled with status [%r].\n", Status));\r
);\r
\r
if (!EFI_ERROR (Status)) {\r
- Supports &= EFI_PCI_DEVICE_ENABLE;\r
+ Supports &= (UINT64)EFI_PCI_DEVICE_ENABLE;\r
Status = PciIo->Attributes (\r
PciIo,\r
EfiPciIoAttributeOperationEnable,\r
//\r
// set number of entries admin submission & completion queues.\r
//\r
- Aqa.Asqs = NVME_ASQ_SIZE;\r
- Aqa.Acqs = NVME_ACQ_SIZE;\r
+ Aqa.Asqs = NVME_ASQ_SIZE;\r
+ Aqa.Rsvd1 = 0;\r
+ Aqa.Acqs = NVME_ACQ_SIZE;\r
+ Aqa.Rsvd2 = 0;\r
\r
//\r
// Address of admin submission queue.\r
Private->ControllerData = NULL;\r
return EFI_NOT_FOUND;\r
}\r
+\r
+ //\r
+ // Dump NvmExpress Identify Controller Data\r
+ //\r
+ Private->ControllerData->Sn[19] = 0;\r
+ Private->ControllerData->Mn[39] = 0;\r
+ DEBUG ((EFI_D_INFO, " == NVME IDENTIFY CONTROLLER DATA ==\n"));\r
+ DEBUG ((EFI_D_INFO, " PCI VID : 0x%x\n", Private->ControllerData->Vid));\r
+ DEBUG ((EFI_D_INFO, " PCI SSVID : 0x%x\n", Private->ControllerData->Ssvid));\r
+ DEBUG ((EFI_D_INFO, " SN : %a\n", (CHAR8 *)(Private->ControllerData->Sn)));\r
+ DEBUG ((EFI_D_INFO, " MN : %a\n", (CHAR8 *)(Private->ControllerData->Mn)));\r
+ DEBUG ((EFI_D_INFO, " FR : 0x%x\n", *((UINT64*)Private->ControllerData->Fr)));\r
+ DEBUG ((EFI_D_INFO, " RAB : 0x%x\n", Private->ControllerData->Rab));\r
+ DEBUG ((EFI_D_INFO, " IEEE : 0x%x\n", *(UINT32*)Private->ControllerData->Ieee_oui));\r
+ DEBUG ((EFI_D_INFO, " AERL : 0x%x\n", Private->ControllerData->Aerl));\r
+ DEBUG ((EFI_D_INFO, " SQES : 0x%x\n", Private->ControllerData->Sqes));\r
+ DEBUG ((EFI_D_INFO, " CQES : 0x%x\n", Private->ControllerData->Cqes));\r
+ DEBUG ((EFI_D_INFO, " NN : 0x%x\n", Private->ControllerData->Nn));\r
+\r
return Status;\r
}\r
\r
projects / mirror_edk2.git / blobdiff