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MdeModulePkg/NvmExpressDxe: Open NVME_PASS_THRU with BY_CHILD attr 

Open NVM_EXPRESS_PASS_THRU rather than PCI_IO to create parent-child
relationship.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Tian Feng <feng.tian@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17636 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Tian Feng 2015-06-16 01:03:50 +00:00 committed by erictian
parent 1463ce18ca
commit beeeb22cd5
1 changed files with 15 additions and 12 deletions
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27
MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpress.c
View File

@ -213,8 +213,8 @@ EnumerateNvmeDevNamespace (
}
gBS->OpenProtocol (
Private->ControllerHandle,
&gEfiPciIoProtocolGuid,
(VOID **) &Private->PciIo,
&gEfiNvmExpressPassThruProtocolGuid,
(VOID **) &Private->Passthru,
Private->DriverBindingHandle,
Device->DeviceHandle,
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
@ -336,9 +336,9 @@ UnregisterNvmeNamespace (
)
{
EFI_STATUS Status;
EFI_PCI_IO_PROTOCOL *PciIo;
EFI_BLOCK_IO_PROTOCOL *BlockIo;
NVME_DEVICE_PRIVATE_DATA *Device;
NVME_CONTROLLER_PRIVATE_DATA *Private;
BlockIo = NULL;
@ -354,14 +354,15 @@ UnregisterNvmeNamespace (
return Status;
}
Device = NVME_DEVICE_PRIVATE_DATA_FROM_BLOCK_IO (BlockIo);
Device = NVME_DEVICE_PRIVATE_DATA_FROM_BLOCK_IO (BlockIo);
Private = Device->Controller;
//
// Close the child handle
//
gBS->CloseProtocol (
Controller,
&gEfiPciIoProtocolGuid,
&gEfiNvmExpressPassThruProtocolGuid,
This->DriverBindingHandle,
Handle
);
@ -384,8 +385,8 @@ UnregisterNvmeNamespace (
if (EFI_ERROR (Status)) {
gBS->OpenProtocol (
Controller,
&gEfiPciIoProtocolGuid,
(VOID **) &PciIo,
&gEfiNvmExpressPassThruProtocolGuid,
(VOID **) &Private->Passthru,
This->DriverBindingHandle,
Handle,
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
@ -844,22 +845,24 @@ NvmExpressDriverBindingStop (
BOOLEAN AllChildrenStopped;
UINTN Index;
NVME_CONTROLLER_PRIVATE_DATA *Private;
EFI_NVM_EXPRESS_PASS_THRU_PROTOCOL *PassThru;
if (NumberOfChildren == 0) {
Status = gBS->OpenProtocol (
Controller,
&gEfiCallerIdGuid,
(VOID **) &Private,
&gEfiNvmExpressPassThruProtocolGuid,
(VOID **) &PassThru,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (!EFI_ERROR (Status)) {
Private = NVME_CONTROLLER_PRIVATE_DATA_FROM_PASS_THRU (PassThru);
gBS->UninstallMultipleProtocolInterfaces (
Controller,
&gEfiCallerIdGuid,
Private,
&gEfiNvmExpressPassThruProtocolGuid,
PassThru,
NULL
);
@ -940,7 +943,7 @@ NvmExpressUnload (
DeviceHandleBuffer = NULL;
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiCallerIdGuid,
&gEfiNvmExpressPassThruProtocolGuid,
NULL,
&DeviceHandleCount,
&DeviceHandleBuffer