OvmfPkg/PvScsiDxe/PvScsi.h

   1 /** @file
   2
   3   Internal definitions for the PVSCSI driver, which produces Extended SCSI
   4   Pass Thru Protocol instances for pvscsi devices.
   5
   6   Copyright (C) 2020, Oracle and/or its affiliates.
   7
   8   SPDX-License-Identifier: BSD-2-Clause-Patent
   9
  10 **/
  11
  12 #ifndef __PVSCSI_DXE_H_
  13 #define __PVSCSI_DXE_H_
  14
  15 #include <Library/DebugLib.h>
  16 #include <Protocol/ScsiPassThruExt.h>
  17
  18 #define PVSCSI_SIG SIGNATURE_32 ('P', 'S', 'C', 'S')
  19
  20 typedef struct {
  21   UINT32                          Signature;
  22   UINT8                           MaxTarget;
  23   UINT8                           MaxLun;
  24   EFI_EXT_SCSI_PASS_THRU_PROTOCOL PassThru;
  25   EFI_EXT_SCSI_PASS_THRU_MODE     PassThruMode;
  26 } PVSCSI_DEV;
  27
  28 #define PVSCSI_FROM_PASS_THRU(PassThruPointer) \
  29   CR (PassThruPointer, PVSCSI_DEV, PassThru, PVSCSI_SIG)
  30
  31 #endif // __PVSCSI_DXE_H_