sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

MdeModulePkg/NvmExpressPei: Produce NVM Express PassThru PPI

Browse Source 
https://bugzilla.tianocore.org/show_bug.cgi?id=1879
This commit will add codes to produce the NVM Express PassThru PPI.

Signed-off-by: Maggie Chu <maggie.chu@intel.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
This commit is contained in:
Maggie Chu
2019-06-17 10:11:26 +08:00
committed by Hao A Wu
parent 4128d8a8cb
commit ba3aa1c4e7
8 changed files with 418 additions and 115 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
MdeModulePkg/Bus/Pci/NvmExpressPei/NvmExpressPeiBlockIo.c
View File

@@ -2,7 +2,7 @@
The NvmExpressPei driver is used to manage non-volatile memory subsystem
which follows NVM Express specification at PEI phase.
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2018 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -34,17 +34,19 @@ ReadSectors (
UINT32 BlockSize;
PEI_NVME_CONTROLLER_PRIVATE_DATA *Private;
UINT32 Bytes;
EDKII_PEI_NVM_EXPRESS_PASS_THRU_COMMAND_PACKET CommandPacket;
EDKII_PEI_NVM_EXPRESS_COMMAND Command;
EDKII_PEI_NVM_EXPRESS_COMPLETION Completion;
EFI_NVM_EXPRESS_PASS_THRU_COMMAND_PACKET CommandPacket;
EFI_NVM_EXPRESS_COMMAND Command;
EFI_NVM_EXPRESS_COMPLETION Completion;
EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI *NvmePassThru;
Private = NamespaceInfo->Controller;
NvmePassThru = &Private->NvmePassThruPpi;
BlockSize = NamespaceInfo->Media.BlockSize;
Bytes = Blocks * BlockSize;
ZeroMem (&CommandPacket, sizeof(EDKII_PEI_NVM_EXPRESS_PASS_THRU_COMMAND_PACKET));
ZeroMem (&Command, sizeof(EDKII_PEI_NVM_EXPRESS_COMMAND));
ZeroMem (&Completion, sizeof(EDKII_PEI_NVM_EXPRESS_COMPLETION));
ZeroMem (&CommandPacket, sizeof(EFI_NVM_EXPRESS_PASS_THRU_COMMAND_PACKET));
ZeroMem (&Command, sizeof(EFI_NVM_EXPRESS_COMMAND));
ZeroMem (&Completion, sizeof(EFI_NVM_EXPRESS_COMPLETION));
CommandPacket.NvmeCmd = &Command;
CommandPacket.NvmeCompletion = &Completion;
@@ -63,11 +65,12 @@ ReadSectors (
CommandPacket.NvmeCmd->Flags = CDW10_VALID | CDW11_VALID | CDW12_VALID;
Status = NvmePassThru (
Private,
NamespaceInfo->NamespaceId,
&CommandPacket
);
Status = NvmePassThru->PassThru (
NvmePassThru,
NamespaceInfo->NamespaceId,
&CommandPacket
);
return Status;
}