Partially make EdkModulePkg pass intel IPF compiler with /W4 /WX switched on.

[mirror_edk2.git] / EdkModulePkg / Universal / Network / Snp32_64 / Dxe / reset.c

/*++\r
Copyright (c) 2006, Intel Corporation                                                         \r
All rights reserved. This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
\r
Module name:\r
  reset.c\r
\r
Abstract:\r
\r
Revision history:\r
  2000-Feb-09 M(f)J   Genesis.\r
--*/\r
\r
\r
#include "Snp.h"\r
\r
STATIC\r
EFI_STATUS\r
pxe_reset (\r
  SNP_DRIVER *snp\r
  )\r
/*++\r
\r
Routine Description:\r
 This routine calls undi to reset the nic.\r
\r
Arguments:\r
 snp - pointer to the snp driver structure\r
\r
Returns:\r
 EFI_SUCCESSFUL for a successful completion\r
 other for failed calls\r
\r
--*/\r
{\r
  snp->cdb.OpCode     = PXE_OPCODE_RESET;\r
  snp->cdb.OpFlags    = PXE_OPFLAGS_NOT_USED;\r
  snp->cdb.CPBsize    = PXE_CPBSIZE_NOT_USED;\r
  snp->cdb.DBsize     = PXE_DBSIZE_NOT_USED;\r
  snp->cdb.CPBaddr    = PXE_CPBADDR_NOT_USED;\r
  snp->cdb.DBaddr     = PXE_DBADDR_NOT_USED;\r
  snp->cdb.StatCode   = PXE_STATCODE_INITIALIZE;\r
  snp->cdb.StatFlags  = PXE_STATFLAGS_INITIALIZE;\r
  snp->cdb.IFnum      = snp->if_num;\r
  snp->cdb.Control    = PXE_CONTROL_LAST_CDB_IN_LIST;\r
\r
  //\r
  // Issue UNDI command and check result.\r
  //\r
  DEBUG ((EFI_D_NET, "\nsnp->undi.reset()  "));\r
\r
  (*snp->issue_undi32_command) ((UINT64) (UINTN) &snp->cdb);\r
\r
  if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {\r
    DEBUG (\r
      (EFI_D_WARN,\r
      "\nsnp->undi32.reset()  %xh:%xh\n",\r
      snp->cdb.StatFlags,\r
      snp->cdb.StatCode)\r
      );\r
\r
    //\r
    // UNDI could not be reset. Return UNDI error.\r
    //\r
    return EFI_DEVICE_ERROR;\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
snp_undi32_reset (\r
  IN EFI_SIMPLE_NETWORK_PROTOCOL *this,\r
  IN BOOLEAN                     ExtendedVerification\r
  )\r
/*++\r
\r
Routine Description:\r
 This is the SNP interface routine for resetting the NIC\r
 This routine basically retrieves snp structure, checks the SNP state and\r
 calls the pxe_reset routine to actually do the reset!\r
\r
Arguments:\r
 this - context pointer\r
 ExtendedVerification - not implemented\r
\r
Returns:\r
\r
--*/\r
{\r
  SNP_DRIVER  *snp;\r
\r
  if (this == NULL) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this);\r
\r
  if (snp == NULL) {\r
    return EFI_DEVICE_ERROR;\r
  }\r
\r
  switch (snp->mode.State) {\r
  case EfiSimpleNetworkInitialized:\r
    break;\r
\r
  case EfiSimpleNetworkStopped:\r
    return EFI_NOT_STARTED;\r
\r
  case EfiSimpleNetworkStarted:\r
    return EFI_DEVICE_ERROR;\r
\r
  default:\r
    return EFI_DEVICE_ERROR;\r
  }\r
\r
  return pxe_reset (snp);\r
}\r