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OvmfPkg/LsiScsiDxe: Install the skeleton of driver binding 

Implement the dummy functions for EFI Driver Binding protocol.

v2: Remove "STATIC" from LsiScsiControllerSupported()

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: <20200717061130.8881-3-glin@suse.com>
This commit is contained in:
Gary Lin 2020-07-17 14:11:21 +08:00 committed by mergify[bot]
parent e94d04a01b
commit 5e6b870a53
3 changed files with 122 additions and 1 deletions
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72
OvmfPkg/LsiScsiDxe/LsiScsi.c
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@ -9,8 +9,71 @@
**/
#include <Library/UefiLib.h>
#include <Uefi/UefiSpec.h>
#include "LsiScsi.h"
//
// Probe, start and stop functions of this driver, called by the DXE core for
// specific devices.
//
// The following specifications document these interfaces:
// - Driver Writer's Guide for UEFI 2.3.1 v1.01, 9 Driver Binding Protocol
// - UEFI Spec 2.3.1 + Errata C, 10.1 EFI Driver Binding Protocol
//
EFI_STATUS
EFIAPI
LsiScsiControllerSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
{
return EFI_UNSUPPORTED;
}
EFI_STATUS
EFIAPI
LsiScsiControllerStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
{
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
LsiScsiControllerStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
{
return EFI_SUCCESS;
}
//
// The static object that groups the Supported() (ie. probe), Start() and
// Stop() functions of the driver together. Refer to UEFI Spec 2.3.1 + Errata
// C, 10.1 EFI Driver Binding Protocol.
//
STATIC
EFI_DRIVER_BINDING_PROTOCOL gDriverBinding = {
&LsiScsiControllerSupported,
&LsiScsiControllerStart,
&LsiScsiControllerStop,
0x10, // Version, must be in [0x10 .. 0xFFFFFFEF] for IHV-developed drivers
NULL, // ImageHandle, to be overwritten by
// EfiLibInstallDriverBindingComponentName2() in LsiScsiEntryPoint()
NULL // DriverBindingHandle, ditto
};
//
// Entry point of this driver
//
@ -21,5 +84,12 @@ LsiScsiEntryPoint (
IN EFI_SYSTEM_TABLE *SystemTable
)
{
return EFI_UNSUPPORTED;
return EfiLibInstallDriverBindingComponentName2 (
ImageHandle,
SystemTable,
&gDriverBinding,
ImageHandle, // The handle to install onto
NULL, // TODO Component name
NULL // TODO Component name
);
}

49
OvmfPkg/LsiScsiDxe/LsiScsi.h Normal file
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@ -0,0 +1,49 @@
/** @file
Internal definitions for the LSI 53C895A SCSI driver, which produces
Extended SCSI Pass Thru Protocol instances for LSI 53C895A SCSI devices.
Copyright (C) 2020, SUSE LLC.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _LSI_SCSI_DXE_H_
#define _LSI_SCSI_DXE_H_
//
// Probe, start and stop functions of this driver, called by the DXE core for
// specific devices.
//
// The following specifications document these interfaces:
// - Driver Writer's Guide for UEFI 2.3.1 v1.01, 9 Driver Binding Protocol
// - UEFI Spec 2.3.1 + Errata C, 10.1 EFI Driver Binding Protocol
//
EFI_STATUS
EFIAPI
LsiScsiControllerSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
);
EFI_STATUS
EFIAPI
LsiScsiControllerStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
);
EFI_STATUS
EFIAPI
LsiScsiControllerStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
#endif // _LSI_SCSI_DXE_H_

2
OvmfPkg/LsiScsiDxe/LsiScsiDxe.inf
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@ -18,9 +18,11 @@
[Sources]
LsiScsi.c
LsiScsi.h
[Packages]
MdePkg/MdePkg.dec
[LibraryClasses]
UefiDriverEntryPoint
UefiLib