Rename

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4720 6f19259b-4bc3-4df7-8a09-765794883524
2025-04-08 17:05:09 +02:00 · 2008-02-20 02:32:49 +00:00 · 2008-02-20 02:32:49 +00:00 · 75d0f44d48
commit 75d0f44d48
parent 1840420c7d
1 changed files with 190 additions and 0 deletions
--- a/MdeModulePkg/Universal/Network/SnpDxe/Get_status.c
+++ b/MdeModulePkg/Universal/Network/SnpDxe/Get_status.c
@ -0,0 +1,190 @@
+/** @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:
+  get_status.c
+
+Abstract:
+
+Revision history:
+  2000-Feb-03 M(f)J   Genesis.
+
+**/
+
+#include "Snp.h"
+
+STATIC
+/**
+  this routine calls undi to get the status of the interrupts, get the list of
+  transmit buffers that completed transmitting!
+
+  @param  snp                     pointer to snp driver structure
+  @param  InterruptStatusPtr      a non null pointer gets the interrupt status
+  @param  TransmitBufferListPtrs  a non null ointer gets the list of pointers of
+                                  previously  transmitted buffers whose
+                                  transmission was completed  asynchrnously.
+
+
+**/
+EFI_STATUS
+pxe_getstatus (
+  SNP_DRIVER *snp,
+  UINT32     *InterruptStatusPtr,
+  VOID       **TransmitBufferListPtr
+  )
+{
+  PXE_DB_GET_STATUS *db;
+  UINT16            InterruptFlags;
+
+  db                = snp->db;
+  snp->cdb.OpCode   = PXE_OPCODE_GET_STATUS;
+
+  snp->cdb.OpFlags  = 0;
+
+  if (TransmitBufferListPtr != NULL) {
+    snp->cdb.OpFlags |= PXE_OPFLAGS_GET_TRANSMITTED_BUFFERS;
+  }
+
+  if (InterruptStatusPtr != NULL) {
+    snp->cdb.OpFlags |= PXE_OPFLAGS_GET_INTERRUPT_STATUS;
+  }
+
+  snp->cdb.CPBsize  = PXE_CPBSIZE_NOT_USED;
+  snp->cdb.CPBaddr  = PXE_CPBADDR_NOT_USED;
+
+  //
+  // size DB for return of one buffer
+  //
+  snp->cdb.DBsize = (UINT16) (((UINT16) (sizeof (PXE_DB_GET_STATUS)) - (UINT16) (sizeof db->TxBuffer)) + (UINT16) (sizeof db->TxBuffer[0]));
+
+  snp->cdb.DBaddr     = (UINT64)(UINTN) db;
+
+  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;
+
+  //
+  // Issue UNDI command and check result.
+  //
+  DEBUG ((EFI_D_NET, "\nsnp->undi.get_status()  "));
+
+  (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);
+
+  if (snp->cdb.StatCode != EFI_SUCCESS) {
+    DEBUG (
+      (EFI_D_NET,
+      "\nsnp->undi.get_status()  %xh:%xh\n",
+      snp->cdb.StatFlags,
+      snp->cdb.StatFlags)
+      );
+
+    return EFI_DEVICE_ERROR;
+  }
+  //
+  // report the values back..
+  //
+  if (InterruptStatusPtr != NULL) {
+    InterruptFlags      = (UINT16) (snp->cdb.StatFlags & PXE_STATFLAGS_GET_STATUS_INTERRUPT_MASK);
+
+    *InterruptStatusPtr = 0;
+
+    if (InterruptFlags & PXE_STATFLAGS_GET_STATUS_RECEIVE) {
+      *InterruptStatusPtr |= EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT;
+    }
+
+    if (InterruptFlags & PXE_STATFLAGS_GET_STATUS_TRANSMIT) {
+      *InterruptStatusPtr |= EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT;
+    }
+
+    if (InterruptFlags & PXE_STATFLAGS_GET_STATUS_COMMAND) {
+      *InterruptStatusPtr |= EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT;
+    }
+
+    if (InterruptFlags & PXE_STATFLAGS_GET_STATUS_SOFTWARE) {
+      *InterruptStatusPtr |= EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT;
+    }
+
+  }
+
+  if (TransmitBufferListPtr != NULL) {
+    *TransmitBufferListPtr =
+      (
+        (snp->cdb.StatFlags & PXE_STATFLAGS_GET_STATUS_NO_TXBUFS_WRITTEN) ||
+        (snp->cdb.StatFlags & PXE_STATFLAGS_GET_STATUS_TXBUF_QUEUE_EMPTY)
+      ) ? 0 : (VOID *) (UINTN) db->TxBuffer[0];
+
+  }
+
+  return EFI_SUCCESS;
+}
+
+
+/**
+  This is the SNP interface routine for getting the status
+  This routine basically retrieves snp structure, checks the SNP state and
+  calls the pxe_getstatus routine to actually get the undi status
+
+  @param  this                    context pointer
+  @param  InterruptStatusPtr      a non null pointer gets the interrupt status
+  @param  TransmitBufferListPtrs  a non null ointer gets the list of pointers of
+                                  previously  transmitted buffers whose
+                                  transmission was completed  asynchrnously.
+
+
+**/
+EFI_STATUS
+EFIAPI
+snp_undi32_get_status (
+  IN EFI_SIMPLE_NETWORK_PROTOCOL * this,
+  OUT UINT32                     *InterruptStatusPtr OPTIONAL,
+  OUT VOID                       **TransmitBufferListPtr OPTIONAL
+  )
+{
+  SNP_DRIVER  *snp;
+  EFI_TPL     OldTpl;
+  EFI_STATUS  Status;
+
+  if (this == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  if (InterruptStatusPtr == NULL && TransmitBufferListPtr == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this);
+
+  OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+
+  if (snp == NULL) {
+    return EFI_DEVICE_ERROR;
+  }
+
+  switch (snp->mode.State) {
+  case EfiSimpleNetworkInitialized:
+    break;
+
+  case EfiSimpleNetworkStopped:
+    Status = EFI_NOT_STARTED;
+    goto ON_EXIT;
+
+  default:
+    Status = EFI_DEVICE_ERROR;
+    goto ON_EXIT;
+  }
+
+  Status = pxe_getstatus (snp, InterruptStatusPtr, TransmitBufferListPtr);
+
+ON_EXIT:
+  gBS->RestoreTPL (OldTpl);
+
+  return Status;
+}