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authorvanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524>2009-04-10 08:31:45 +0000
committervanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524>2009-04-10 08:31:45 +0000
commit0428a6cb12ecc3eecdfab67171d9145663a15187 (patch)
tree5e0c2540bec607c9f0a3d583bea65ada3817b5ff /MdeModulePkg/Universal/Network/SnpDxe/Snp.c
parentf05b1c14ecc255df0cf7b22ac6b53fc1c704b343 (diff)
downloadedk2-0428a6cb12ecc3eecdfab67171d9145663a15187.zip
edk2-0428a6cb12ecc3eecdfab67171d9145663a15187.tar.gz
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fixed DMA not be stopped issue when gBS->ExitBootServices called.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8058 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal/Network/SnpDxe/Snp.c')
-rw-r--r--MdeModulePkg/Universal/Network/SnpDxe/Snp.c46
1 files changed, 45 insertions, 1 deletions
diff --git a/MdeModulePkg/Universal/Network/SnpDxe/Snp.c b/MdeModulePkg/Universal/Network/SnpDxe/Snp.c
index 0006c44..dde0d60 100644
--- a/MdeModulePkg/Universal/Network/SnpDxe/Snp.c
+++ b/MdeModulePkg/Universal/Network/SnpDxe/Snp.c
@@ -1,7 +1,7 @@
/** @file
Implementation of driver entry point and driver binding protocol.
-Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+Copyright (c) 2004 - 2009, Intel Corporation. <BR>
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
@@ -22,6 +22,30 @@ V2P *mV2p = NULL; // undi3.0 map_list head
// End Global variables
//
+/**
+ One notified function to stop UNDI device when gBS->ExitBootServices() called.
+
+ @param Event Pointer to this event
+ @param Context Event hanlder private data
+
+**/
+VOID
+EFIAPI
+SnpNotifyExitBootServices (
+ EFI_EVENT Event,
+ VOID *Context
+ )
+{
+ SNP_DRIVER *Snp;
+
+ Snp = (SNP_DRIVER *)Context;
+
+ //
+ // Shutdown and stop UNDI driver
+ //
+ PxeShutdown (Snp);
+ PxeStop (Snp);
+}
/**
Send command to UNDI. It does nothing currently.
@@ -635,6 +659,21 @@ SimpleNetworkDriverStart (
PxeStop (Snp);
//
+ // Create EXIT_BOOT_SERIVES Event
+ //
+ Status = gBS->CreateEventEx (
+ EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
+ SnpNotifyExitBootServices,
+ Snp,
+ &gEfiEventExitBootServicesGuid,
+ &Snp->ExitBootServicesEvent
+ );
+ if (EFI_ERROR (Status)) {
+ goto Error_DeleteSNP;
+ }
+
+ //
// add SNP to the undi handle
//
Status = gBS->InstallProtocolInterface (
@@ -738,6 +777,11 @@ SimpleNetworkDriverStop (
return Status;
}
+ //
+ // Close EXIT_BOOT_SERIVES Event
+ //
+ gBS->CloseEvent (Snp->ExitBootServicesEvent);
+
Status = gBS->CloseProtocol (
Controller,
&gEfiNetworkInterfaceIdentifierProtocolGuid_31,