UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / OvmfPkg / LsiScsiDxe / LsiScsi.h

/** @file\r
\r
  Internal definitions for the LSI 53C895A SCSI driver, which produces\r
  Extended SCSI Pass Thru Protocol instances for LSI 53C895A SCSI devices.\r
\r
  Copyright (C) 2020, SUSE LLC.\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef _LSI_SCSI_DXE_H_\r
#define _LSI_SCSI_DXE_H_\r
\r
typedef struct {\r
  //\r
  // Allocate 32 UINT32 entries for the script and it's sufficient for\r
  // 16 instructions.\r
  //\r
  UINT32    Script[32];\r
  //\r
  // The max size of CDB is 32.\r
  //\r
  UINT8     Cdb[32];\r
  //\r
  // Allocate 64KB for read/write buffer. It seems sufficient for the common\r
  // boot scenarios.\r
  //\r
  // NOTE: The number of bytes for data transmission is bounded by DMA Byte\r
  //       Count (DBC), a 24-bit register, so the maximum is 0xFFFFFF (16MB-1).\r
  //\r
  UINT8     Data[SIZE_64KB];\r
  //\r
  // For SCSI Message In phase\r
  //\r
  UINT8     MsgIn[2];\r
  //\r
  // For SCSI Message Out phase\r
  //\r
  UINT8     MsgOut;\r
  //\r
  // For SCSI Status phase\r
  //\r
  UINT8     Status;\r
} LSI_SCSI_DMA_BUFFER;\r
\r
typedef struct {\r
  UINT32                             Signature;\r
  UINT64                             OrigPciAttrs;\r
  EFI_EVENT                          ExitBoot;\r
  EFI_PCI_IO_PROTOCOL                *PciIo;\r
  UINT8                              MaxTarget;\r
  UINT8                              MaxLun;\r
  UINT32                             StallPerPollUsec;\r
  LSI_SCSI_DMA_BUFFER                *Dma;\r
  EFI_PHYSICAL_ADDRESS               DmaPhysical;\r
  VOID                               *DmaMapping;\r
  EFI_EXT_SCSI_PASS_THRU_MODE        PassThruMode;\r
  EFI_EXT_SCSI_PASS_THRU_PROTOCOL    PassThru;\r
} LSI_SCSI_DEV;\r
\r
#define LSI_SCSI_DEV_SIGNATURE  SIGNATURE_32 ('L','S','I','S')\r
\r
#define LSI_SCSI_FROM_PASS_THRU(PassThruPtr) \\r
  CR (PassThruPtr, LSI_SCSI_DEV, PassThru, LSI_SCSI_DEV_SIGNATURE)\r
\r
#define LSI_SCSI_DMA_ADDR(Dev, MemberName) \\r
  ((UINT32)(Dev->DmaPhysical + OFFSET_OF (LSI_SCSI_DMA_BUFFER, MemberName)))\r
\r
//\r
// Probe, start and stop functions of this driver, called by the DXE core for\r
// specific devices.\r
//\r
// The following specifications document these interfaces:\r
// - Driver Writer's Guide for UEFI 2.3.1 v1.01, 9 Driver Binding Protocol\r
// - UEFI Spec 2.3.1 + Errata C, 10.1 EFI Driver Binding Protocol\r
//\r
\r
EFI_STATUS\r
EFIAPI\r
LsiScsiControllerSupported (\r
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                   ControllerHandle,\r
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath OPTIONAL\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
LsiScsiControllerStart (\r
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                   ControllerHandle,\r
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath OPTIONAL\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
LsiScsiControllerStop (\r
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                   ControllerHandle,\r
  IN UINTN                        NumberOfChildren,\r
  IN EFI_HANDLE                   *ChildHandleBuffer\r
  );\r
\r
//\r
// The next seven functions implement EFI_EXT_SCSI_PASS_THRU_PROTOCOL\r
// for the LSI 53C895A SCSI Controller. Refer to UEFI Spec 2.3.1 + Errata C,\r
// sections\r
// - 14.1 SCSI Driver Model Overview,\r
// - 14.7 Extended SCSI Pass Thru Protocol.\r
//\r
\r
EFI_STATUS\r
EFIAPI\r
LsiScsiPassThru (\r
  IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL                 *This,\r
  IN UINT8                                           *Target,\r
  IN UINT64                                          Lun,\r
  IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET  *Packet,\r
  IN EFI_EVENT                                       Event     OPTIONAL\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
LsiScsiGetNextTargetLun (\r
  IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL  *This,\r
  IN OUT UINT8                        **TargetPointer,\r
  IN OUT UINT64                       *Lun\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
LsiScsiBuildDevicePath (\r
  IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL  *This,\r
  IN UINT8                            *Target,\r
  IN UINT64                           Lun,\r
  IN OUT EFI_DEVICE_PATH_PROTOCOL     **DevicePath\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
LsiScsiGetTargetLun (\r
  IN  EFI_EXT_SCSI_PASS_THRU_PROTOCOL  *This,\r
  IN  EFI_DEVICE_PATH_PROTOCOL         *DevicePath,\r
  OUT UINT8                            **TargetPointer,\r
  OUT UINT64                           *Lun\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
LsiScsiResetChannel (\r
  IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL  *This\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
LsiScsiResetTargetLun (\r
  IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL  *This,\r
  IN UINT8                            *Target,\r
  IN UINT64                           Lun\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
LsiScsiGetNextTarget (\r
  IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL  *This,\r
  IN OUT UINT8                        **TargetPointer\r
  );\r
\r
//\r
// The purpose of the following scaffolding (EFI_COMPONENT_NAME_PROTOCOL and\r
// EFI_COMPONENT_NAME2_PROTOCOL implementation) is to format the driver's name\r
// in English, for display on standard console devices. This is recommended for\r
// UEFI drivers that follow the UEFI Driver Model. Refer to the Driver Writer's\r
// Guide for UEFI 2.3.1 v1.01, 11 UEFI Driver and Controller Names.\r
//\r
// Device type names ("LSI 53C895A SCSI Controller") are not formatted because\r
// the driver supports only that device type. Therefore the driver name\r
// suffices for unambiguous identification.\r
//\r
\r
EFI_STATUS\r
EFIAPI\r
LsiScsiGetDriverName (\r
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,\r
  IN  CHAR8                        *Language,\r
  OUT CHAR16                       **DriverName\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
LsiScsiGetDeviceName (\r
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,\r
  IN  EFI_HANDLE                   DeviceHandle,\r
  IN  EFI_HANDLE                   ChildHandle,\r
  IN  CHAR8                        *Language,\r
  OUT CHAR16                       **ControllerName\r
  );\r
\r
#endif // _LSI_SCSI_DXE_H_\r