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OvmfPkg/MptScsiDxe: Install stubbed EXT_SCSI_PASS_THRU 

Support dynamic insertion and removal of the protocol

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2390
Signed-off-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20200504210607.144434-6-nikita.leshchenko@oracle.com>
This commit is contained in:
Nikita Leshenko 2020-05-05 00:06:00 +03:00 committed by mergify[bot]
parent f47074425d
commit a53e5b4174
2 changed files with 183 additions and 3 deletions
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181
OvmfPkg/MptScsiDxe/MptScsi.c
View File

@ -11,9 +11,12 @@
#include <IndustryStandard/FusionMptScsi.h>
#include <IndustryStandard/Pci.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Protocol/PciIo.h>
#include <Protocol/ScsiPassThruExt.h>
#include <Uefi/UefiSpec.h>
//
@ -22,6 +25,109 @@
//
#define MPT_SCSI_BINDING_VERSION 0x10
//
// Runtime Structures
//
#define MPT_SCSI_DEV_SIGNATURE SIGNATURE_32 ('M','P','T','S')
typedef struct {
UINT32 Signature;
EFI_EXT_SCSI_PASS_THRU_PROTOCOL PassThru;
EFI_EXT_SCSI_PASS_THRU_MODE PassThruMode;
} MPT_SCSI_DEV;
#define MPT_SCSI_FROM_PASS_THRU(PassThruPtr) \
CR (PassThruPtr, MPT_SCSI_DEV, PassThru, MPT_SCSI_DEV_SIGNATURE)
//
// Ext SCSI Pass Thru
//
STATIC
EFI_STATUS
EFIAPI
MptScsiPassThru (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN UINT8 *Target,
IN UINT64 Lun,
IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,
IN EFI_EVENT Event OPTIONAL
)
{
return EFI_UNSUPPORTED;
}
STATIC
EFI_STATUS
EFIAPI
MptScsiGetNextTargetLun (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN OUT UINT8 **Target,
IN OUT UINT64 *Lun
)
{
return EFI_UNSUPPORTED;
}
STATIC
EFI_STATUS
EFIAPI
MptScsiGetNextTarget (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN OUT UINT8 **Target
)
{
return EFI_UNSUPPORTED;
}
STATIC
EFI_STATUS
EFIAPI
MptScsiBuildDevicePath (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN UINT8 *Target,
IN UINT64 Lun,
IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
)
{
return EFI_UNSUPPORTED;
}
STATIC
EFI_STATUS
EFIAPI
MptScsiGetTargetLun (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
OUT UINT8 **Target,
OUT UINT64 *Lun
)
{
return EFI_UNSUPPORTED;
}
STATIC
EFI_STATUS
EFIAPI
MptScsiResetChannel (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This
)
{
return EFI_UNSUPPORTED;
}
STATIC
EFI_STATUS
EFIAPI
MptScsiResetTargetLun (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN UINT8 *Target,
IN UINT64 Lun
)
{
return EFI_UNSUPPORTED;
}
//
// Driver Binding
//
@ -90,7 +196,49 @@ MptScsiControllerStart (
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
{
return EFI_UNSUPPORTED;
EFI_STATUS Status;
MPT_SCSI_DEV *Dev;
Dev = AllocateZeroPool (sizeof (*Dev));
if (Dev == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Dev->Signature = MPT_SCSI_DEV_SIGNATURE;
//
// Host adapter channel, doesn't exist
//
Dev->PassThruMode.AdapterId = MAX_UINT32;
Dev->PassThruMode.Attributes =
EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_PHYSICAL |
EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL;
Dev->PassThru.Mode = &Dev->PassThruMode;
Dev->PassThru.PassThru = &MptScsiPassThru;
Dev->PassThru.GetNextTargetLun = &MptScsiGetNextTargetLun;
Dev->PassThru.BuildDevicePath = &MptScsiBuildDevicePath;
Dev->PassThru.GetTargetLun = &MptScsiGetTargetLun;
Dev->PassThru.ResetChannel = &MptScsiResetChannel;
Dev->PassThru.ResetTargetLun = &MptScsiResetTargetLun;
Dev->PassThru.GetNextTarget = &MptScsiGetNextTarget;
Status = gBS->InstallProtocolInterface (
&ControllerHandle,
&gEfiExtScsiPassThruProtocolGuid,
EFI_NATIVE_INTERFACE,
&Dev->PassThru
);
if (EFI_ERROR (Status)) {
goto FreePool;
}
return EFI_SUCCESS;
FreePool:
FreePool (Dev);
return Status;
}
STATIC
@ -103,7 +251,36 @@ MptScsiControllerStop (
IN EFI_HANDLE *ChildHandleBuffer
)
{
return EFI_UNSUPPORTED;
EFI_STATUS Status;
EFI_EXT_SCSI_PASS_THRU_PROTOCOL *PassThru;
MPT_SCSI_DEV *Dev;
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiExtScsiPassThruProtocolGuid,
(VOID **)&PassThru,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL // Lookup only
);
if (EFI_ERROR (Status)) {
return Status;
}
Dev = MPT_SCSI_FROM_PASS_THRU (PassThru);
Status = gBS->UninstallProtocolInterface (
ControllerHandle,
&gEfiExtScsiPassThruProtocolGuid,
&Dev->PassThru
);
if (EFI_ERROR (Status)) {
return Status;
}
FreePool (Dev);
return Status;
}
STATIC

5
OvmfPkg/MptScsiDxe/MptScsiDxe.inf
View File

@ -24,9 +24,12 @@
OvmfPkg/OvmfPkg.dec
[LibraryClasses]
DebugLib
MemoryAllocationLib
UefiBootServicesTableLib
UefiDriverEntryPoint
UefiLib
[Protocols]
gEfiPciIoProtocolGuid ## TO_START
gEfiExtScsiPassThruProtocolGuid ## BY_START
gEfiPciIoProtocolGuid ## TO_START