+++ /dev/null
-/*++\r
-Copyright (c) 2006, Intel Corporation \r
-All rights reserved. This program and the accompanying materials \r
-are licensed and made available under the terms and conditions of the BSD License \r
-which accompanies this distribution. The full text of the license may be found at \r
-http://opensource.org/licenses/bsd-license.php \r
- \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-\r
-Module name:\r
- get_status.c\r
-\r
-Abstract:\r
-\r
-Revision history:\r
- 2000-Feb-03 M(f)J Genesis.\r
---*/\r
-\r
-\r
-#include "Snp.h"\r
-\r
-STATIC\r
-EFI_STATUS\r
-pxe_getstatus (\r
- SNP_DRIVER *snp,\r
- UINT32 *InterruptStatusPtr,\r
- VOID **TransmitBufferListPtr\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- this routine calls undi to get the status of the interrupts, get the list of\r
- transmit buffers that completed transmitting! \r
-\r
-Arguments:\r
- snp - pointer to snp driver structure\r
- InterruptStatusPtr - a non null pointer gets the interrupt status\r
- TransmitBufferListPtrs - a non null ointer gets the list of pointers of previously \r
- transmitted buffers whose transmission was completed \r
- asynchrnously.\r
- \r
-Returns:\r
-\r
---*/\r
-{\r
- PXE_DB_GET_STATUS *db;\r
- UINT16 InterruptFlags;\r
- UINT64 TempData;\r
-\r
- db = snp->db;\r
- snp->cdb.OpCode = PXE_OPCODE_GET_STATUS;\r
-\r
- snp->cdb.OpFlags = 0;\r
-\r
- if (TransmitBufferListPtr != NULL) {\r
- snp->cdb.OpFlags |= PXE_OPFLAGS_GET_TRANSMITTED_BUFFERS;\r
- }\r
-\r
- if (InterruptStatusPtr != NULL) {\r
- snp->cdb.OpFlags |= PXE_OPFLAGS_GET_INTERRUPT_STATUS;\r
- }\r
-\r
- snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r
- snp->cdb.CPBaddr = PXE_CPBADDR_NOT_USED;\r
-\r
- //\r
- // size DB for return of one buffer\r
- //\r
- snp->cdb.DBsize = (UINT16) (((UINT16) (sizeof (PXE_DB_GET_STATUS)) - (UINT16) (sizeof db->TxBuffer)) + (UINT16) (sizeof db->TxBuffer[0]));\r
-\r
- snp->cdb.DBaddr = (UINT64) (UINTN) db;\r
-\r
- snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r
- snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r
- snp->cdb.IFnum = snp->if_num;\r
- snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r
-\r
- //\r
- // Issue UNDI command and check result.\r
- //\r
- DEBUG ((EFI_D_NET, "\nsnp->undi.get_status() "));\r
-\r
- (*snp->issue_undi32_command) ((UINT64) (UINTN) &snp->cdb);\r
-\r
- if (snp->cdb.StatCode != EFI_SUCCESS) {\r
- DEBUG (\r
- (EFI_D_NET,\r
- "\nsnp->undi.get_status() %xh:%xh\n",\r
- snp->cdb.StatFlags,\r
- snp->cdb.StatFlags)\r
- );\r
-\r
- return EFI_DEVICE_ERROR;\r
- }\r
- //\r
- // report the values back..\r
- //\r
- if (InterruptStatusPtr != NULL) {\r
- InterruptFlags = (UINT16) (snp->cdb.StatFlags & PXE_STATFLAGS_GET_STATUS_INTERRUPT_MASK);\r
-\r
- *InterruptStatusPtr = 0;\r
-\r
- if (InterruptFlags & PXE_STATFLAGS_GET_STATUS_RECEIVE) {\r
- *InterruptStatusPtr |= EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT;\r
- }\r
-\r
- if (InterruptFlags & PXE_STATFLAGS_GET_STATUS_TRANSMIT) {\r
- *InterruptStatusPtr |= EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT;\r
- }\r
-\r
- if (InterruptFlags & PXE_STATFLAGS_GET_STATUS_COMMAND) {\r
- *InterruptStatusPtr |= EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT;\r
- }\r
-\r
- if (InterruptFlags & PXE_STATFLAGS_GET_STATUS_SOFTWARE) {\r
- *InterruptStatusPtr |= EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT;\r
- }\r
-\r
- }\r
-\r
- if (TransmitBufferListPtr != NULL) {\r
- *TransmitBufferListPtr =\r
- (\r
- (snp->cdb.StatFlags & PXE_STATFLAGS_GET_STATUS_NO_TXBUFS_WRITTEN) ||\r
- (snp->cdb.StatFlags & PXE_STATFLAGS_GET_STATUS_TXBUF_QUEUE_EMPTY)\r
- ) ? 0 : (VOID *) (UINTN) db->TxBuffer[0];\r
-\r
- TempData = (UINT64) (UINTN) (*TransmitBufferListPtr);\r
- if (snp->IsOldUndi && (TempData >= FOUR_GIGABYTES)) {\r
- del_v2p ((VOID *) (UINTN) (db->TxBuffer[0]));\r
- }\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-snp_undi32_get_status (\r
- IN EFI_SIMPLE_NETWORK_PROTOCOL * this,\r
- OUT UINT32 *InterruptStatusPtr OPTIONAL,\r
- OUT VOID **TransmitBufferListPtr OPTIONAL\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- This is the SNP interface routine for getting the status\r
- This routine basically retrieves snp structure, checks the SNP state and\r
- calls the pxe_getstatus routine to actually get the undi status\r
-\r
-Arguments:\r
- this - context pointer\r
- InterruptStatusPtr - a non null pointer gets the interrupt status\r
- TransmitBufferListPtrs - a non null ointer gets the list of pointers of previously \r
- transmitted buffers whose transmission was completed \r
- asynchrnously.\r
- \r
-Returns:\r
-\r
---*/\r
-{\r
- SNP_DRIVER *snp;\r
-\r
- if (this == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this);\r
-\r
- if (snp == NULL) {\r
- return EFI_DEVICE_ERROR;\r
- }\r
-\r
- switch (snp->mode.State) {\r
- case EfiSimpleNetworkInitialized:\r
- break;\r
-\r
- case EfiSimpleNetworkStopped:\r
- return EFI_NOT_STARTED;\r
-\r
- case EfiSimpleNetworkStarted:\r
- return EFI_DEVICE_ERROR;\r
-\r
- default:\r
- return EFI_DEVICE_ERROR;\r
- }\r
-\r
- if (InterruptStatusPtr == NULL && TransmitBufferListPtr == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- return pxe_getstatus (snp, InterruptStatusPtr, TransmitBufferListPtr);\r
-}\r
projects / mirror_edk2.git / blobdiff