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OvmfPkg/LsiScsiDxe: Install stubbed EXT_SCSI_PASS_THRU

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Partially implement LsiScsiControllerStart() and LsiScsiControllerStop()
to insert the scaffolding of EXT_SCSI_PASS_THRU functions.

v3: Squash the newline below the declaration of LSI_SCSI_FROM_PASS_THRU
v2: Remove the closing of PciIo protocol from LsiScsiControllerStop().

Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
Signed-off-by: Gary Lin <glin@suse.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20200717061130.8881-6-glin@suse.com>
This commit is contained in:
Gary Lin 2020-07-17 14:11:24 +08:00 committed by mergify[bot]
parent 79f802a50e
commit 23d982e205
3 changed files with 244 additions and 1 deletions
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164
OvmfPkg/LsiScsiDxe/LsiScsi.c
View File

@ -11,14 +11,105 @@
#include <IndustryStandard/LsiScsi.h> #include <IndustryStandard/LsiScsi.h>
#include <IndustryStandard/Pci.h> #include <IndustryStandard/Pci.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h> #include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h> #include <Library/UefiLib.h>
#include <Protocol/PciIo.h> #include <Protocol/PciIo.h>
#include <Protocol/PciRootBridgeIo.h> #include <Protocol/PciRootBridgeIo.h>
#include <Protocol/ScsiPassThruExt.h>
#include <Uefi/UefiSpec.h> #include <Uefi/UefiSpec.h>
#include "LsiScsi.h" #include "LsiScsi.h"
//
// The next seven functions implement EFI_EXT_SCSI_PASS_THRU_PROTOCOL
// for the LSI 53C895A SCSI Controller. Refer to UEFI Spec 2.3.1 + Errata C,
// sections
// - 14.1 SCSI Driver Model Overview,
// - 14.7 Extended SCSI Pass Thru Protocol.
//
EFI_STATUS
EFIAPI
LsiScsiPassThru (
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;
}
EFI_STATUS
EFIAPI
LsiScsiGetNextTargetLun (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN OUT UINT8 **TargetPointer,
IN OUT UINT64 *Lun
)
{
return EFI_NOT_FOUND;
}
EFI_STATUS
EFIAPI
LsiScsiBuildDevicePath (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN UINT8 *Target,
IN UINT64 Lun,
IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
)
{
return EFI_NOT_FOUND;
}
EFI_STATUS
EFIAPI
LsiScsiGetTargetLun (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
OUT UINT8 **TargetPointer,
OUT UINT64 *Lun
)
{
return EFI_UNSUPPORTED;
}
EFI_STATUS
EFIAPI
LsiScsiResetChannel (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This
)
{
return EFI_UNSUPPORTED;
}
EFI_STATUS
EFIAPI
LsiScsiResetTargetLun (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN UINT8 *Target,
IN UINT64 Lun
)
{
return EFI_UNSUPPORTED;
}
EFI_STATUS
EFIAPI
LsiScsiGetNextTarget (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN OUT UINT8 **TargetPointer
)
{
return EFI_NOT_FOUND;
}
// //
// Probe, start and stop functions of this driver, called by the DXE core for // Probe, start and stop functions of this driver, called by the DXE core for
// specific devices. // specific devices.
@ -88,7 +179,49 @@ LsiScsiControllerStart (
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
) )
{ {
EFI_STATUS Status;
LSI_SCSI_DEV *Dev;
Dev = AllocateZeroPool (sizeof (*Dev));
if (Dev == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Dev->Signature = LSI_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 = &LsiScsiPassThru;
Dev->PassThru.GetNextTargetLun = &LsiScsiGetNextTargetLun;
Dev->PassThru.BuildDevicePath = &LsiScsiBuildDevicePath;
Dev->PassThru.GetTargetLun = &LsiScsiGetTargetLun;
Dev->PassThru.ResetChannel = &LsiScsiResetChannel;
Dev->PassThru.ResetTargetLun = &LsiScsiResetTargetLun;
Dev->PassThru.GetNextTarget = &LsiScsiGetNextTarget;
Status = gBS->InstallProtocolInterface (
&ControllerHandle,
&gEfiExtScsiPassThruProtocolGuid,
EFI_NATIVE_INTERFACE,
&Dev->PassThru
);
if (EFI_ERROR (Status)) {
goto FreePool;
}
return EFI_SUCCESS; return EFI_SUCCESS;
FreePool:
FreePool (Dev);
return Status;
} }
EFI_STATUS EFI_STATUS
@ -100,7 +233,36 @@ LsiScsiControllerStop (
IN EFI_HANDLE *ChildHandleBuffer IN EFI_HANDLE *ChildHandleBuffer
) )
{ {
return EFI_SUCCESS; EFI_STATUS Status;
EFI_EXT_SCSI_PASS_THRU_PROTOCOL *PassThru;
LSI_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 = LSI_SCSI_FROM_PASS_THRU (PassThru);
Status = gBS->UninstallProtocolInterface (
ControllerHandle,
&gEfiExtScsiPassThruProtocolGuid,
&Dev->PassThru
);
if (EFI_ERROR (Status)) {
return Status;
}
FreePool (Dev);
return Status;
} }
// //

78
OvmfPkg/LsiScsiDxe/LsiScsi.h
View File

@ -12,6 +12,18 @@
#ifndef _LSI_SCSI_DXE_H_ #ifndef _LSI_SCSI_DXE_H_
#define _LSI_SCSI_DXE_H_ #define _LSI_SCSI_DXE_H_
typedef struct {
UINT32 Signature;
EFI_EXT_SCSI_PASS_THRU_MODE PassThruMode;
EFI_EXT_SCSI_PASS_THRU_PROTOCOL PassThru;
} LSI_SCSI_DEV;
#define LSI_SCSI_DEV_SIGNATURE SIGNATURE_32 ('L','S','I','S')
#define LSI_SCSI_FROM_PASS_THRU(PassThruPtr) \
CR (PassThruPtr, LSI_SCSI_DEV, PassThru, LSI_SCSI_DEV_SIGNATURE)
// //
// Probe, start and stop functions of this driver, called by the DXE core for // Probe, start and stop functions of this driver, called by the DXE core for
// specific devices. // specific devices.
@ -47,6 +59,72 @@ LsiScsiControllerStop (
); );
//
// The next seven functions implement EFI_EXT_SCSI_PASS_THRU_PROTOCOL
// for the LSI 53C895A SCSI Controller. Refer to UEFI Spec 2.3.1 + Errata C,
// sections
// - 14.1 SCSI Driver Model Overview,
// - 14.7 Extended SCSI Pass Thru Protocol.
//
EFI_STATUS
EFIAPI
LsiScsiPassThru (
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
);
EFI_STATUS
EFIAPI
LsiScsiGetNextTargetLun (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN OUT UINT8 **TargetPointer,
IN OUT UINT64 *Lun
);
EFI_STATUS
EFIAPI
LsiScsiBuildDevicePath (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN UINT8 *Target,
IN UINT64 Lun,
IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
);
EFI_STATUS
EFIAPI
LsiScsiGetTargetLun (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
OUT UINT8 **TargetPointer,
OUT UINT64 *Lun
);
EFI_STATUS
EFIAPI
LsiScsiResetChannel (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This
);
EFI_STATUS
EFIAPI
LsiScsiResetTargetLun (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN UINT8 *Target,
IN UINT64 Lun
);
EFI_STATUS
EFIAPI
LsiScsiGetNextTarget (
IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
IN OUT UINT8 **TargetPointer
);
// //
// The purpose of the following scaffolding (EFI_COMPONENT_NAME_PROTOCOL and // The purpose of the following scaffolding (EFI_COMPONENT_NAME_PROTOCOL and
// EFI_COMPONENT_NAME2_PROTOCOL implementation) is to format the driver's name // EFI_COMPONENT_NAME2_PROTOCOL implementation) is to format the driver's name

3
OvmfPkg/LsiScsiDxe/LsiScsiDxe.inf
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@ -26,9 +26,12 @@
[LibraryClasses] [LibraryClasses]
BaseLib BaseLib
BaseMemoryLib
MemoryAllocationLib
UefiBootServicesTableLib UefiBootServicesTableLib
UefiDriverEntryPoint UefiDriverEntryPoint
UefiLib UefiLib
[Protocols] [Protocols]
gEfiExtScsiPassThruProtocolGuid ## BY_START
gEfiPciIoProtocolGuid ## TO_START gEfiPciIoProtocolGuid ## TO_START