diff options
| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-02-20 02:37:51 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-02-20 02:37:51 +0000 |
| commit | a7e0614aaff7dc8096d80819b622226e87b2f6aa (patch) | |
| tree | 9602f36ec99866d0465bdf7b04278dc26948528f /MdeModulePkg | |
| parent | 28db6da45c125445b1f1041a658378b3550f8f85 (diff) | |
| download | edk2-platforms-a7e0614aaff7dc8096d80819b622226e87b2f6aa.tar.xz | |
rename
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4726 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Universal/Network/SnpDxe/Reset.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Network/SnpDxe/Reset.c b/MdeModulePkg/Universal/Network/SnpDxe/Reset.c new file mode 100644 index 0000000000..cc869eb320 --- /dev/null +++ b/MdeModulePkg/Universal/Network/SnpDxe/Reset.c @@ -0,0 +1,129 @@ +/** @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:
+ reset.c
+
+Abstract:
+
+Revision history:
+ 2000-Feb-09 M(f)J Genesis.
+
+**/
+
+#include "Snp.h"
+
+
+/**
+ This routine calls undi to reset the nic.
+
+ @param snp pointer to the snp driver structure
+
+ @return EFI_SUCCESSFUL for a successful completion
+ @return other for failed calls
+
+**/
+STATIC
+EFI_STATUS
+pxe_reset (
+ SNP_DRIVER *snp
+ )
+{
+ snp->cdb.OpCode = PXE_OPCODE_RESET;
+ 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;
+
+ //
+ // Issue UNDI command and check result.
+ //
+ DEBUG ((EFI_D_NET, "\nsnp->undi.reset() "));
+
+ (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);
+
+ if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {
+ DEBUG (
+ (EFI_D_WARN,
+ "\nsnp->undi32.reset() %xh:%xh\n",
+ snp->cdb.StatFlags,
+ snp->cdb.StatCode)
+ );
+
+ //
+ // UNDI could not be reset. Return UNDI error.
+ //
+ return EFI_DEVICE_ERROR;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ This is the SNP interface routine for resetting the NIC
+ This routine basically retrieves snp structure, checks the SNP state and
+ calls the pxe_reset routine to actually do the reset!
+
+ @param this context pointer
+ @param ExtendedVerification not implemented
+
+
+**/
+EFI_STATUS
+EFIAPI
+snp_undi32_reset (
+ IN EFI_SIMPLE_NETWORK_PROTOCOL *this,
+ IN BOOLEAN ExtendedVerification
+ )
+{
+ SNP_DRIVER *snp;
+ EFI_TPL OldTpl;
+ EFI_STATUS Status;
+
+ //
+ // Resolve Warning 4 unreferenced parameter problem
+ //
+ ExtendedVerification = 0;
+ DEBUG ((EFI_D_WARN, "ExtendedVerification = %d is not implemented!\n", ExtendedVerification));
+
+ 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 EfiSimpleNetworkInitialized:
+ break;
+
+ case EfiSimpleNetworkStopped:
+ Status = EFI_NOT_STARTED;
+ goto ON_EXIT;
+
+ default:
+ Status = EFI_DEVICE_ERROR;
+ goto ON_EXIT;
+ }
+
+ Status = pxe_reset (snp);
+
+ON_EXIT:
+ gBS->RestoreTPL (OldTpl);
+
+ return Status;
+}
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