From 75d0f44d480192265172a80247cdac3c12799ace Mon Sep 17 00:00:00 2001 From: vanjeff Date: Wed, 20 Feb 2008 02:32:49 +0000 Subject: [PATCH] Rename git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4720 6f19259b-4bc3-4df7-8a09-765794883524 --- .../Universal/Network/SnpDxe/Get_status.c | 190 ++++++++++++++++++ 1 file changed, 190 insertions(+) create mode 100644 MdeModulePkg/Universal/Network/SnpDxe/Get_status.c diff --git a/MdeModulePkg/Universal/Network/SnpDxe/Get_status.c b/MdeModulePkg/Universal/Network/SnpDxe/Get_status.c new file mode 100644 index 0000000000..d1fa2627fc --- /dev/null +++ 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; +}