rename

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4730 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 175 insertions, 0 deletions

diff --git a/MdeModulePkg/Universal/Network/SnpDxe/Start.c b/MdeModulePkg/Universal/Network/SnpDxe/Start.c
new file mode 100644
index 0000000..eaba03c
--- /dev/null
+++ b/MdeModulePkg/Universal/Network/SnpDxe/Start.c
@@ -0,0 +1,175 @@
+/** @file

+Copyright (c) 2004 - 2007, Intel Corporation

+All rights reserved. This program and the accompanying materials

+are licensed and made available under the terms and conditions of the BSD License

+which accompanies this distribution.  The full text of the license may be found at

+http://opensource.org/licenses/bsd-license.php

+

+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

+

+Module name:

+  start.c

+

+Abstract:

+

+Revision history:

+  2000-Feb-07 M(f)J   Genesis.

+

+**/

+

+#include "Snp.h"

+

+

+/**

+  this routine calls undi to start the interface and changes the snp state!

+

+  @param  snp                    pointer to snp driver structure

+

+

+**/

+EFI_STATUS

+pxe_start (

+  SNP_DRIVER *snp

+  )

+{

+  PXE_CPB_START_31  *cpb_31;

+

+  cpb_31  = snp->cpb;

+  //

+  // Initialize UNDI Start CDB for H/W UNDI

+  //

+  snp->cdb.OpCode     = PXE_OPCODE_START;

+  snp->cdb.OpFlags    = PXE_OPFLAGS_NOT_USED;

+  snp->cdb.CPBsize    = PXE_CPBSIZE_NOT_USED;

+  snp->cdb.DBsize     = PXE_DBSIZE_NOT_USED;

+  snp->cdb.CPBaddr    = PXE_CPBADDR_NOT_USED;

+  snp->cdb.DBaddr     = PXE_DBADDR_NOT_USED;

+  snp->cdb.StatCode   = PXE_STATCODE_INITIALIZE;

+  snp->cdb.StatFlags  = PXE_STATFLAGS_INITIALIZE;

+  snp->cdb.IFnum      = snp->if_num;

+  snp->cdb.Control    = PXE_CONTROL_LAST_CDB_IN_LIST;

+

+  //

+  // Make changes to H/W UNDI Start CDB if this is

+  // a S/W UNDI.

+  //

+  if (snp->is_swundi) {

+    snp->cdb.CPBsize  = sizeof (PXE_CPB_START_31);

+    snp->cdb.CPBaddr  = (UINT64)(UINTN) cpb_31;

+

+    cpb_31->Delay     = (UINT64)(UINTN) &snp_undi32_callback_delay;

+    cpb_31->Block     = (UINT64)(UINTN) &snp_undi32_callback_block;

+

+    //

+    // Virtual == Physical.  This can be set to zero.

+    //

+    cpb_31->Virt2Phys = (UINT64)(UINTN) 0;

+    cpb_31->Mem_IO    = (UINT64)(UINTN) &snp_undi32_callback_memio;

+

+    cpb_31->Map_Mem   = (UINT64)(UINTN) &snp_undi32_callback_map;

+    cpb_31->UnMap_Mem = (UINT64)(UINTN) &snp_undi32_callback_unmap;

+    cpb_31->Sync_Mem  = (UINT64)(UINTN) &snp_undi32_callback_sync;

+

+    cpb_31->Unique_ID = (UINT64)(UINTN) snp;

+  }

+  //

+  // Issue UNDI command and check result.

+  //

+  DEBUG ((EFI_D_NET, "\nsnp->undi.start()  "));

+

+  (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);

+

+  if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {

+    //

+    // UNDI could not be started. Return UNDI error.

+    //

+    DEBUG (

+      (EFI_D_ERROR,

+      "\nsnp->undi.start()  %xh:%xh\n",

+      snp->cdb.StatCode,

+      snp->cdb.StatFlags)

+      );

+

+    return EFI_DEVICE_ERROR;

+  }

+  //

+  // Set simple network state to Started and return success.

+  //

+  snp->mode.State = EfiSimpleNetworkStarted;

+

+  return EFI_SUCCESS;

+}

+

+

+/**

+  This is the SNP interface routine for starting the interface

+  This routine basically retrieves snp structure, checks the SNP state and

+  calls the pxe_start routine to actually do start undi interface

+

+  @param  This                   context pointer

+

+  @retval EFI_INVALID_PARAMETER  "This" is Null

+  @retval      No                SNP driver can be extracted from "This"

+  @retval EFI_ALREADY_STARTED    The state of SNP is EfiSimpleNetworkStarted or

+                                 EfiSimpleNetworkInitialized

+  @retval EFI_DEVICE_ERROR       The state of SNP is other than

+                                 EfiSimpleNetworkStarted,

+                                 EfiSimpleNetworkInitialized, and

+                                 EfiSimpleNetworkStopped

+  @retval EFI_SUCCESS            UNDI interface is succesfully started

+  @retval Other                  Error occurs while calling pxe_start function.

+

+**/

+EFI_STATUS

+EFIAPI

+snp_undi32_start (

+  IN EFI_SIMPLE_NETWORK_PROTOCOL *This

+  )

+{

+  SNP_DRIVER  *Snp;

+  EFI_STATUS  Status;

+  UINTN       Index;

+  EFI_TPL     OldTpl;

+

+  if (This == NULL) {

+    return EFI_INVALID_PARAMETER;

+  }

+

+  Snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);

+

+  OldTpl = gBS->RaiseTPL (TPL_CALLBACK);

+

+  switch (Snp->mode.State) {

+  case EfiSimpleNetworkStopped:

+    break;

+

+  case EfiSimpleNetworkStarted:

+  case EfiSimpleNetworkInitialized:

+    Status = EFI_ALREADY_STARTED;

+    goto ON_EXIT;

+

+  default:

+    Status = EFI_DEVICE_ERROR;

+    goto ON_EXIT;

+  }

+

+  Status = pxe_start (Snp);

+  if (EFI_ERROR (Status)) {

+    goto ON_EXIT;

+  }

+  //

+  // clear the map_list in SNP structure

+  //

+  for (Index = 0; Index < MAX_MAP_LENGTH; Index++) {

+    Snp->map_list[Index].virt       = 0;

+    Snp->map_list[Index].map_cookie = 0;

+  }

+

+  Snp->mode.MCastFilterCount = 0;

+

+ON_EXIT:

+  gBS->RestoreTPL (OldTpl);

+

+  return Status;

+}