/** @file\r
-Copyright (c) 2004 - 2005, 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
+ Implementation of driver entry point and driver binding protocol.\r
+\r
+Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials are licensed\r
+and made available under the terms and conditions of the BSD License which\r
+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
- snp.c\r
-\r
-Abstract:\r
-\r
-\r
**/\r
\r
#include "Snp.h"\r
\r
-EFI_STATUS\r
-pxe_start (\r
- SNP_DRIVER *snp\r
- );\r
-EFI_STATUS\r
-pxe_stop (\r
- SNP_DRIVER *snp\r
- );\r
-EFI_STATUS\r
-pxe_init (\r
- SNP_DRIVER *snp,\r
- UINT16 OpFlags\r
- );\r
-EFI_STATUS\r
-pxe_shutdown (\r
- SNP_DRIVER *snp\r
- );\r
-EFI_STATUS\r
-pxe_get_stn_addr (\r
- SNP_DRIVER *snp\r
- );\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-InitializeSnpNiiDriver (\r
- IN EFI_HANDLE image_handle,\r
- IN EFI_SYSTEM_TABLE *system_table\r
- );\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-SimpleNetworkDriverSupported (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Controller,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
- );\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-SimpleNetworkDriverStart (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Controller,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
- );\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-SimpleNetworkDriverStop (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Controller,\r
- IN UINTN NumberOfChildren,\r
- IN EFI_HANDLE *ChildHandleBuffer\r
- );\r
-\r
-//\r
-// Simple Network Protocol Driver Global Variables\r
-//\r
-EFI_DRIVER_BINDING_PROTOCOL mSimpleNetworkDriverBinding = {\r
- SimpleNetworkDriverSupported,\r
- SimpleNetworkDriverStart,\r
- SimpleNetworkDriverStop,\r
- 0xa,\r
- NULL,\r
- NULL\r
-};\r
-\r
//\r
// Module global variables needed to support undi 3.0 interface\r
//\r
-EFI_PCI_IO_PROTOCOL *mPciIoFncs;\r
-struct s_v2p *_v2p = NULL; // undi3.0 map_list head\r
+EFI_PCI_IO_PROTOCOL *mPciIo;\r
+V2P *mV2p = NULL; // undi3.0 map_list head\r
// End Global variables\r
//\r
\r
/**\r
- This routine maps the given CPU address to a Device address. It creates a\r
- an entry in the map list with the virtual and physical addresses and the\r
- un map cookie.\r
-\r
- @param v2p pointer to return a map list node pointer.\r
- @param type the direction in which the data flows from the given\r
- virtual address device->cpu or cpu->device or both\r
- ways.\r
- @param vaddr virtual address (or CPU address) to be mapped\r
- @param bsize size of the buffer to be mapped.\r
-\r
- @retval EFI_SUCEESS routine has completed the mapping\r
- @retval other error as indicated.\r
-\r
-**/\r
-EFI_STATUS\r
-add_v2p (\r
- IN OUT struct s_v2p **v2p,\r
- EFI_PCI_IO_PROTOCOL_OPERATION type,\r
- VOID *vaddr,\r
- UINTN bsize\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- if ((v2p == NULL) || (vaddr == NULL) || (bsize == 0)) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- *v2p = AllocatePool (sizeof (struct s_v2p));\r
- if (*v2p != NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- Status = mPciIoFncs->Map (\r
- mPciIoFncs,\r
- type,\r
- vaddr,\r
- &bsize,\r
- &(*v2p)->paddr,\r
- &(*v2p)->unmap\r
- );\r
- if (Status != EFI_SUCCESS) {\r
- FreePool (*v2p);\r
- return Status;\r
- }\r
- (*v2p)->vaddr = vaddr;\r
- (*v2p)->bsize = bsize;\r
- (*v2p)->next = _v2p;\r
- _v2p = *v2p;\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-\r
-/**\r
- This routine searches the linked list of mapped address nodes (for undi3.0\r
- interface) to find the node that corresponds to the given virtual address and\r
- returns a pointer to that node.\r
-\r
- @param v2p pointer to return a map list node pointer.\r
- @param vaddr virtual address (or CPU address) to be searched in\r
- the map list\r
+ One notified function to stop UNDI device when gBS->ExitBootServices() called.\r
\r
- @retval EFI_SUCEESS if a match found!\r
- @retval Other match not found\r
+ @param Event Pointer to this event\r
+ @param Context Event hanlder private data\r
\r
**/\r
-EFI_STATUS\r
-find_v2p (\r
- struct s_v2p **v2p,\r
- VOID *vaddr\r
+VOID\r
+EFIAPI\r
+SnpNotifyExitBootServices (\r
+ EFI_EVENT Event,\r
+ VOID *Context\r
)\r
{\r
- struct s_v2p *v;\r
-\r
- if (v2p == NULL || vaddr == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
+ SNP_DRIVER *Snp;\r
\r
- for (v = _v2p; v != NULL; v = v->next) {\r
- if (v->vaddr == vaddr) {\r
- *v2p = v;\r
- return EFI_SUCCESS;\r
- }\r
- }\r
+ Snp = (SNP_DRIVER *)Context;\r
\r
- return EFI_NOT_FOUND;\r
+ //\r
+ // Shutdown and stop UNDI driver\r
+ //\r
+ PxeShutdown (Snp);\r
+ PxeStop (Snp);\r
}\r
\r
-\r
/**\r
- This routine unmaps the given virtual address and frees the memory allocated\r
- for the map list node corresponding to that address.\r
+ Send command to UNDI. It does nothing currently.\r
\r
- @param vaddr virtual address (or CPU address) to be unmapped\r
+ @param Cdb command to be sent to UNDI.\r
\r
- @retval EFI_SUCEESS if successfully unmapped\r
- @retval Other as indicated by the error\r
+ @retval EFI_INVALID_PARAMETER The command is 0.\r
+ @retval EFI_UNSUPPORTED Default return status because it's not\r
+ supported currently.\r
\r
**/\r
EFI_STATUS\r
-del_v2p (\r
- VOID *vaddr\r
- )\r
-{\r
- struct s_v2p *v;\r
- struct s_v2p *t;\r
- EFI_STATUS Status;\r
-\r
- if (vaddr == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- if (_v2p == NULL) {\r
- return EFI_NOT_FOUND;\r
- }\r
- //\r
- // Is our node at the head of the list??\r
- //\r
- if ((v = _v2p)->vaddr == vaddr) {\r
- _v2p = _v2p->next;\r
-\r
- Status = mPciIoFncs->Unmap (mPciIoFncs, v->unmap);\r
-\r
- FreePool (v);\r
-\r
- if (Status) {\r
- DEBUG ((EFI_D_ERROR, "Unmap failed with status = %r\n", Status));\r
- }\r
- return Status;\r
- }\r
-\r
- for (; v->next != NULL; v = t) {\r
- if ((t = v->next)->vaddr == vaddr) {\r
- v->next = t->next;\r
- Status = mPciIoFncs->Unmap (mPciIoFncs, t->unmap);\r
- FreePool (t);\r
-\r
- if (Status) {\r
- DEBUG ((EFI_D_ERROR, "Unmap failed with status = %r\n", Status));\r
- }\r
- return Status;\r
- }\r
- }\r
-\r
- return EFI_NOT_FOUND;\r
-}\r
-\r
-EFI_STATUS\r
-issue_hwundi_command (\r
- UINT64 cdb\r
+IssueHwUndiCommand (\r
+ UINT64 Cdb\r
)\r
-/*++\r
-\r
-Routine Description:\r
-\r
-Arguments:\r
-\r
-Returns:\r
-\r
---*/\r
{\r
- DEBUG ((EFI_D_ERROR, "\nissue_hwundi_command() - This should not be called!"));\r
+ DEBUG ((EFI_D_ERROR, "\nIssueHwUndiCommand() - This should not be called!"));\r
\r
- if (cdb == 0) {\r
+ if (Cdb == 0) {\r
return EFI_INVALID_PARAMETER;\r
\r
}\r
/**\r
Compute 8-bit checksum of a buffer.\r
\r
- @param ptr Pointer to buffer.\r
- @param len Length of buffer in bytes.\r
+ @param Buffer Pointer to buffer.\r
+ @param Length Length of buffer in bytes.\r
\r
- @return 8-bit checksum of all bytes in buffer.\r
- @return If ptr is NULL or len is zero, zero is returned.\r
+ @return 8-bit checksum of all bytes in buffer, or zero if ptr is NULL or len\r
+ is zero.\r
\r
**/\r
UINT8\r
-calc_8bit_cksum (\r
- VOID *ptr,\r
- UINTN len\r
+Calc8BitCksum (\r
+ VOID *Buffer,\r
+ UINTN Length\r
)\r
{\r
- UINT8 *bptr;\r
- UINT8 cksum;\r
+ UINT8 *Ptr;\r
+ UINT8 Cksum;\r
\r
- bptr = ptr;\r
- cksum = 0;\r
+ Ptr = Buffer;\r
+ Cksum = 0;\r
\r
- if (ptr == NULL || len == 0) {\r
+ if (Ptr == NULL || Length == 0) {\r
return 0;\r
}\r
\r
- while (len--) {\r
- cksum = (UINT8) (cksum +*bptr++);\r
+ while (Length-- != 0) {\r
+ Cksum = (UINT8) (Cksum + *Ptr++);\r
}\r
\r
- return cksum;\r
+ return Cksum;\r
}\r
\r
-\r
/**\r
- Test to see if this driver supports Controller. Any Controller\r
- that contains a Nii protocol can be supported.\r
-\r
- @param This Protocol instance pointer.\r
- @param Controller Handle of device to test.\r
- @param RemainingDevicePath Not used.\r
-\r
- @retval EFI_SUCCESS This driver supports this device.\r
- @retval EFI_ALREADY_STARTED This driver is already running on this device.\r
- @retval other This driver does not support this device.\r
+ Test to see if this driver supports ControllerHandle. This service\r
+ is called by the EFI boot service ConnectController(). In\r
+ order to make drivers as small as possible, there are a few calling\r
+ restrictions for this service. ConnectController() must\r
+ follow these calling restrictions. If any other agent wishes to call\r
+ Supported() it must also follow these calling restrictions.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param ControllerHandle Handle of device to test.\r
+ @param RemainingDevicePath Optional parameter use to pick a specific child\r
+ device to start.\r
+\r
+ @retval EFI_SUCCESS This driver supports this device.\r
+ @retval EFI_ALREADY_STARTED This driver is already running on this device.\r
+ @retval other This driver does not support this device.\r
\r
**/\r
EFI_STATUS\r
{\r
EFI_STATUS Status;\r
EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *NiiProtocol;\r
- PXE_UNDI *pxe;\r
+ PXE_UNDI *Pxe;\r
\r
Status = gBS->OpenProtocol (\r
Controller,\r
//\r
// Check to see if !PXE structure is valid. Paragraph alignment of !PXE structure is required.\r
//\r
- if (NiiProtocol->ID & 0x0F) {\r
+ if ((NiiProtocol->Id & 0x0F) != 0) {\r
DEBUG ((EFI_D_NET, "\n!PXE structure is not paragraph aligned.\n"));\r
Status = EFI_UNSUPPORTED;\r
goto Done;\r
}\r
\r
- pxe = (PXE_UNDI *) (UINTN) (NiiProtocol->ID);\r
+ Pxe = (PXE_UNDI *) (UINTN) (NiiProtocol->Id);\r
\r
//\r
// Verify !PXE revisions.\r
//\r
- if (pxe->hw.Signature != PXE_ROMID_SIGNATURE) {\r
+ if (Pxe->hw.Signature != PXE_ROMID_SIGNATURE) {\r
DEBUG ((EFI_D_NET, "\n!PXE signature is not valid.\n"));\r
Status = EFI_UNSUPPORTED;\r
goto Done;\r
}\r
\r
- if (pxe->hw.Rev < PXE_ROMID_REV) {\r
+ if (Pxe->hw.Rev < PXE_ROMID_REV) {\r
DEBUG ((EFI_D_NET, "\n!PXE.Rev is not supported.\n"));\r
Status = EFI_UNSUPPORTED;\r
goto Done;\r
}\r
\r
- if (pxe->hw.MajorVer < PXE_ROMID_MAJORVER) {\r
+ if (Pxe->hw.MajorVer < PXE_ROMID_MAJORVER) {\r
\r
DEBUG ((EFI_D_NET, "\n!PXE.MajorVer is not supported.\n"));\r
Status = EFI_UNSUPPORTED;\r
goto Done;\r
\r
- } else if (pxe->hw.MajorVer == PXE_ROMID_MAJORVER && pxe->hw.MinorVer < PXE_ROMID_MINORVER) {\r
+ } else if (Pxe->hw.MajorVer == PXE_ROMID_MAJORVER && Pxe->hw.MinorVer < PXE_ROMID_MINORVER) {\r
DEBUG ((EFI_D_NET, "\n!PXE.MinorVer is not supported."));\r
Status = EFI_UNSUPPORTED;\r
goto Done;\r
//\r
// Do S/W UNDI specific checks.\r
//\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) == 0) {\r
- if (pxe->sw.EntryPoint < pxe->sw.Len) {\r
+ if ((Pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) == 0) {\r
+ if (Pxe->sw.EntryPoint < Pxe->sw.Len) {\r
DEBUG ((EFI_D_NET, "\n!PXE S/W entry point is not valid."));\r
Status = EFI_UNSUPPORTED;\r
goto Done;\r
}\r
\r
- if (pxe->sw.BusCnt == 0) {\r
+ if (Pxe->sw.BusCnt == 0) {\r
DEBUG ((EFI_D_NET, "\n!PXE.BusCnt is zero."));\r
Status = EFI_UNSUPPORTED;\r
goto Done;\r
return Status;\r
}\r
\r
-\r
/**\r
- called for any handle that we said "supported" in the above call!\r
+ Start this driver on ControllerHandle. This service is called by the\r
+ EFI boot service ConnectController(). In order to make\r
+ drivers as small as possible, there are a few calling restrictions for\r
+ this service. ConnectController() must follow these\r
+ calling restrictions. If any other agent wishes to call Start() it\r
+ must also follow these calling restrictions.\r
\r
@param This Protocol instance pointer.\r
- @param Controller Handle of device to start\r
- @param RemainingDevicePath Not used.\r
+ @param ControllerHandle Handle of device to bind driver to.\r
+ @param RemainingDevicePath Optional parameter use to pick a specific child\r
+ device to start.\r
\r
- @retval EFI_SUCCESS This driver supports this device.\r
- @retval other This driver failed to start this device.\r
+ @retval EFI_SUCCESS This driver is added to ControllerHandle\r
+ @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r
+ @retval other This driver does not support this device\r
\r
**/\r
EFI_STATUS\r
EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *Nii;\r
EFI_DEVICE_PATH_PROTOCOL *NiiDevicePath;\r
EFI_STATUS Status;\r
- PXE_UNDI *pxe;\r
- SNP_DRIVER *snp;\r
- VOID *addr;\r
+ PXE_UNDI *Pxe;\r
+ SNP_DRIVER *Snp;\r
+ VOID *Address;\r
EFI_HANDLE Handle;\r
PXE_PCI_CONFIG_INFO ConfigInfo;\r
PCI_TYPE00 *ConfigHeader;\r
Status = gBS->OpenProtocol (\r
Handle,\r
&gEfiPciIoProtocolGuid,\r
- (VOID **) &mPciIoFncs,\r
+ (VOID **) &mPciIo,\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
\r
DEBUG ((EFI_D_INFO, "Start(): UNDI3.1 found\n"));\r
\r
- pxe = (PXE_UNDI *) (UINTN) (Nii->ID);\r
+ Pxe = (PXE_UNDI *) (UINTN) (Nii->Id);\r
\r
- if (calc_8bit_cksum (pxe, pxe->hw.Len) != 0) {\r
+ if (Calc8BitCksum (Pxe, Pxe->hw.Len) != 0) {\r
DEBUG ((EFI_D_NET, "\n!PXE checksum is not correct.\n"));\r
goto NiiError;\r
}\r
\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {\r
+ if ((Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {\r
//\r
// We can get any packets.\r
//\r
- } else if ((pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {\r
+ } else if ((Pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {\r
//\r
// We need to be able to get broadcast packets for DHCP.\r
// If we do not have promiscuous support, we must at least have\r
// OK, we like this UNDI, and we know snp is not already there on this handle\r
// Allocate and initialize a new simple network protocol structure.\r
//\r
- Status = mPciIoFncs->AllocateBuffer (\r
- mPciIoFncs,\r
+ Status = mPciIo->AllocateBuffer (\r
+ mPciIo,\r
AllocateAnyPages,\r
EfiBootServicesData,\r
SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r
- &addr,\r
+ &Address,\r
0\r
);\r
\r
goto NiiError;\r
}\r
\r
- snp = (SNP_DRIVER *) (UINTN) addr;\r
+ Snp = (SNP_DRIVER *) (UINTN) Address;\r
\r
- ZeroMem (snp, sizeof (SNP_DRIVER));\r
+ ZeroMem (Snp, sizeof (SNP_DRIVER));\r
\r
- snp->IoFncs = mPciIoFncs;\r
- snp->Signature = SNP_DRIVER_SIGNATURE;\r
+ Snp->PciIo = mPciIo;\r
+ Snp->Signature = SNP_DRIVER_SIGNATURE;\r
\r
- EfiInitializeLock (&snp->lock, TPL_NOTIFY);\r
+ EfiInitializeLock (&Snp->Lock, TPL_NOTIFY);\r
\r
- snp->snp.Revision = EFI_SIMPLE_NETWORK_PROTOCOL_REVISION;\r
- snp->snp.Start = snp_undi32_start;\r
- snp->snp.Stop = snp_undi32_stop;\r
- snp->snp.Initialize = snp_undi32_initialize;\r
- snp->snp.Reset = snp_undi32_reset;\r
- snp->snp.Shutdown = snp_undi32_shutdown;\r
- snp->snp.ReceiveFilters = snp_undi32_receive_filters;\r
- snp->snp.StationAddress = snp_undi32_station_address;\r
- snp->snp.Statistics = snp_undi32_statistics;\r
- snp->snp.MCastIpToMac = snp_undi32_mcast_ip_to_mac;\r
- snp->snp.NvData = snp_undi32_nvdata;\r
- snp->snp.GetStatus = snp_undi32_get_status;\r
- snp->snp.Transmit = snp_undi32_transmit;\r
- snp->snp.Receive = snp_undi32_receive;\r
- snp->snp.WaitForPacket = NULL;\r
+ Snp->Snp.Revision = EFI_SIMPLE_NETWORK_PROTOCOL_REVISION;\r
+ Snp->Snp.Start = SnpUndi32Start;\r
+ Snp->Snp.Stop = SnpUndi32Stop;\r
+ Snp->Snp.Initialize = SnpUndi32Initialize;\r
+ Snp->Snp.Reset = SnpUndi32Reset;\r
+ Snp->Snp.Shutdown = SnpUndi32Shutdown;\r
+ Snp->Snp.ReceiveFilters = SnpUndi32ReceiveFilters;\r
+ Snp->Snp.StationAddress = SnpUndi32StationAddress;\r
+ Snp->Snp.Statistics = SnpUndi32Statistics;\r
+ Snp->Snp.MCastIpToMac = SnpUndi32McastIpToMac;\r
+ Snp->Snp.NvData = SnpUndi32NvData;\r
+ Snp->Snp.GetStatus = SnpUndi32GetStatus;\r
+ Snp->Snp.Transmit = SnpUndi32Transmit;\r
+ Snp->Snp.Receive = SnpUndi32Receive;\r
+ Snp->Snp.WaitForPacket = NULL;\r
\r
- snp->snp.Mode = &snp->mode;\r
+ Snp->Snp.Mode = &Snp->Mode;\r
\r
- snp->tx_rx_bufsize = 0;\r
- snp->tx_rx_buffer = NULL;\r
+ Snp->TxRxBufferSize = 0;\r
+ Snp->TxRxBuffer = NULL;\r
\r
- snp->if_num = Nii->IfNum;\r
+ Snp->IfNum = Nii->IfNum;\r
\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) != 0) {\r
- snp->is_swundi = FALSE;\r
- snp->issue_undi32_command = &issue_hwundi_command;\r
+ if ((Pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) != 0) {\r
+ Snp->IsSwUndi = FALSE;\r
+ Snp->IssueUndi32Command = &IssueHwUndiCommand;\r
} else {\r
- snp->is_swundi = TRUE;\r
+ Snp->IsSwUndi = TRUE;\r
\r
- if ((pxe->sw.Implementation & PXE_ROMID_IMP_SW_VIRT_ADDR) != 0) {\r
- snp->issue_undi32_command = (issue_undi32_command) (UINTN) pxe->sw.EntryPoint;\r
+ if ((Pxe->sw.Implementation & PXE_ROMID_IMP_SW_VIRT_ADDR) != 0) {\r
+ Snp->IssueUndi32Command = (ISSUE_UNDI32_COMMAND) (UINTN) Pxe->sw.EntryPoint;\r
} else {\r
- snp->issue_undi32_command = (issue_undi32_command) (UINTN) ((UINT8) (UINTN) pxe + pxe->sw.EntryPoint);\r
+ Snp->IssueUndi32Command = (ISSUE_UNDI32_COMMAND) (UINTN) ((UINT8) (UINTN) Pxe + Pxe->sw.EntryPoint);\r
}\r
}\r
//\r
// -it is OK to allocate one global set of CPB, DB pair for each UNDI\r
// interface as EFI does not multi-task and so SNP will not be re-entered!\r
//\r
- Status = mPciIoFncs->AllocateBuffer (\r
- mPciIoFncs,\r
+ Status = mPciIo->AllocateBuffer (\r
+ mPciIo,\r
AllocateAnyPages,\r
EfiBootServicesData,\r
SNP_MEM_PAGES (4096),\r
- &addr,\r
+ &Address,\r
0\r
);\r
\r
goto Error_DeleteSNP;\r
}\r
\r
- snp->cpb = (VOID *) (UINTN) addr;\r
- snp->db = (VOID *) ((UINTN) addr + 2048);\r
+ Snp->Cpb = (VOID *) (UINTN) Address;\r
+ Snp->Db = (VOID *) ((UINTN) Address + 2048);\r
\r
//\r
- // pxe_start call is going to give the callback functions to UNDI, these callback\r
+ // PxeStart call is going to give the callback functions to UNDI, these callback\r
// functions use the BarIndex values from the snp structure, so these must be initialized\r
- // with default values before doing a pxe_start. The correct values can be obtained after\r
+ // with default values before doing a PxeStart. The correct values can be obtained after\r
// getting the config information from UNDI\r
//\r
- snp->MemoryBarIndex = 0;\r
- snp->IoBarIndex = 1;\r
+ Snp->MemoryBarIndex = 0;\r
+ Snp->IoBarIndex = 1;\r
\r
//\r
// we need the undi init information many times in this snp code, just get it\r
// once here and store it in the snp driver structure. to get Init Info\r
// from UNDI we have to start undi first.\r
//\r
- Status = pxe_start (snp);\r
+ Status = PxeStart (Snp);\r
\r
if (Status != EFI_SUCCESS) {\r
goto Error_DeleteSNP;\r
}\r
\r
- snp->cdb.OpCode = PXE_OPCODE_GET_INIT_INFO;\r
- snp->cdb.OpFlags = PXE_OPFLAGS_NOT_USED;\r
+ Snp->Cdb.OpCode = PXE_OPCODE_GET_INIT_INFO;\r
+ Snp->Cdb.OpFlags = PXE_OPFLAGS_NOT_USED;\r
\r
- snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r
- snp->cdb.CPBaddr = PXE_DBADDR_NOT_USED;\r
+ Snp->Cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r
+ Snp->Cdb.CPBaddr = PXE_DBADDR_NOT_USED;\r
\r
- snp->cdb.DBsize = sizeof snp->init_info;\r
- snp->cdb.DBaddr = (UINT64)(UINTN) &snp->init_info;\r
+ Snp->Cdb.DBsize = (UINT16) sizeof (Snp->InitInfo);\r
+ Snp->Cdb.DBaddr = (UINT64)(UINTN) (&Snp->InitInfo);\r
\r
- snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r
- snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r
+ Snp->Cdb.StatCode = PXE_STATCODE_INITIALIZE;\r
+ Snp->Cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r
\r
- snp->cdb.IFnum = snp->if_num;\r
- snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r
+ Snp->Cdb.IFnum = Snp->IfNum;\r
+ Snp->Cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r
\r
- DEBUG ((EFI_D_NET, "\nsnp->undi.get_init_info() "));\r
+ DEBUG ((EFI_D_NET, "\nSnp->undi.get_init_info() "));\r
\r
- (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);\r
+ (*Snp->IssueUndi32Command) ((UINT64)(UINTN) &Snp->Cdb);\r
\r
//\r
// Save the INIT Stat Code...\r
//\r
- InitStatFlags = snp->cdb.StatFlags;\r
+ InitStatFlags = Snp->Cdb.StatFlags;\r
\r
- if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {\r
- DEBUG ((EFI_D_NET, "\nsnp->undi.init_info() %xh:%xh\n", snp->cdb.StatFlags, snp->cdb.StatCode));\r
- pxe_stop (snp);\r
+ if (Snp->Cdb.StatCode != PXE_STATCODE_SUCCESS) {\r
+ DEBUG ((EFI_D_NET, "\nSnp->undi.init_info() %xh:%xh\n", Snp->Cdb.StatFlags, Snp->Cdb.StatCode));\r
+ PxeStop (Snp);\r
goto Error_DeleteSNP;\r
}\r
\r
- snp->cdb.OpCode = PXE_OPCODE_GET_CONFIG_INFO;\r
- snp->cdb.OpFlags = PXE_OPFLAGS_NOT_USED;\r
+ Snp->Cdb.OpCode = PXE_OPCODE_GET_CONFIG_INFO;\r
+ Snp->Cdb.OpFlags = PXE_OPFLAGS_NOT_USED;\r
\r
- snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r
- snp->cdb.CPBaddr = PXE_DBADDR_NOT_USED;\r
+ Snp->Cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r
+ Snp->Cdb.CPBaddr = PXE_DBADDR_NOT_USED;\r
\r
- snp->cdb.DBsize = sizeof ConfigInfo;\r
- snp->cdb.DBaddr = (UINT64)(UINTN) &ConfigInfo;\r
+ Snp->Cdb.DBsize = (UINT16) sizeof (ConfigInfo);\r
+ Snp->Cdb.DBaddr = (UINT64)(UINTN) &ConfigInfo;\r
\r
- snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r
- snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r
+ Snp->Cdb.StatCode = PXE_STATCODE_INITIALIZE;\r
+ Snp->Cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r
\r
- snp->cdb.IFnum = snp->if_num;\r
- snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r
+ Snp->Cdb.IFnum = Snp->IfNum;\r
+ Snp->Cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r
\r
- DEBUG ((EFI_D_NET, "\nsnp->undi.get_config_info() "));\r
+ DEBUG ((EFI_D_NET, "\nSnp->undi.get_config_info() "));\r
\r
- (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);\r
+ (*Snp->IssueUndi32Command) ((UINT64)(UINTN) &Snp->Cdb);\r
\r
- if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {\r
- DEBUG ((EFI_D_NET, "\nsnp->undi.config_info() %xh:%xh\n", snp->cdb.StatFlags, snp->cdb.StatCode));\r
- pxe_stop (snp);\r
+ if (Snp->Cdb.StatCode != PXE_STATCODE_SUCCESS) {\r
+ DEBUG ((EFI_D_NET, "\nSnp->undi.config_info() %xh:%xh\n", Snp->Cdb.StatFlags, Snp->Cdb.StatCode));\r
+ PxeStop (Snp);\r
goto Error_DeleteSNP;\r
}\r
//\r
}\r
\r
if ((*TempBar & PCI_BAR_IO_MASK) == PCI_BAR_IO_MODE) {\r
- snp->IoBarIndex = BarIndex;\r
+ Snp->IoBarIndex = BarIndex;\r
break;\r
}\r
\r
//\r
// Initialize simple network protocol mode structure\r
//\r
- snp->mode.State = EfiSimpleNetworkStopped;\r
- snp->mode.HwAddressSize = snp->init_info.HWaddrLen;\r
- snp->mode.MediaHeaderSize = snp->init_info.MediaHeaderLen;\r
- snp->mode.MaxPacketSize = snp->init_info.FrameDataLen;\r
- snp->mode.NvRamAccessSize = snp->init_info.NvWidth;\r
- snp->mode.NvRamSize = snp->init_info.NvCount * snp->mode.NvRamAccessSize;\r
- snp->mode.IfType = snp->init_info.IFtype;\r
- snp->mode.MaxMCastFilterCount = snp->init_info.MCastFilterCnt;\r
- snp->mode.MCastFilterCount = 0;\r
+ Snp->Mode.State = EfiSimpleNetworkStopped;\r
+ Snp->Mode.HwAddressSize = Snp->InitInfo.HWaddrLen;\r
+ Snp->Mode.MediaHeaderSize = Snp->InitInfo.MediaHeaderLen;\r
+ Snp->Mode.MaxPacketSize = Snp->InitInfo.FrameDataLen;\r
+ Snp->Mode.NvRamAccessSize = Snp->InitInfo.NvWidth;\r
+ Snp->Mode.NvRamSize = Snp->InitInfo.NvCount * Snp->Mode.NvRamAccessSize;\r
+ Snp->Mode.IfType = Snp->InitInfo.IFtype;\r
+ Snp->Mode.MaxMCastFilterCount = Snp->InitInfo.MCastFilterCnt;\r
+ Snp->Mode.MCastFilterCount = 0;\r
\r
switch (InitStatFlags & PXE_STATFLAGS_CABLE_DETECT_MASK) {\r
case PXE_STATFLAGS_CABLE_DETECT_SUPPORTED:\r
- snp->mode.MediaPresentSupported = TRUE;\r
+ Snp->Mode.MediaPresentSupported = TRUE;\r
break;\r
\r
case PXE_STATFLAGS_CABLE_DETECT_NOT_SUPPORTED:\r
default:\r
- snp->mode.MediaPresentSupported = FALSE;\r
+ Snp->Mode.MediaPresentSupported = FALSE;\r
+ }\r
+\r
+ switch (InitStatFlags & PXE_STATFLAGS_GET_STATUS_NO_MEDIA_MASK) {\r
+ case PXE_STATFLAGS_GET_STATUS_NO_MEDIA_SUPPORTED:\r
+ Snp->MediaStatusSupported = TRUE;\r
+ break;\r
+\r
+ case PXE_STATFLAGS_GET_STATUS_NO_MEDIA_NOT_SUPPORTED:\r
+ default:\r
+ Snp->MediaStatusSupported = FALSE;\r
}\r
\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_STATION_ADDR_SETTABLE) != 0) {\r
- snp->mode.MacAddressChangeable = TRUE;\r
+ if ((Pxe->hw.Implementation & PXE_ROMID_IMP_STATION_ADDR_SETTABLE) != 0) {\r
+ Snp->Mode.MacAddressChangeable = TRUE;\r
} else {\r
- snp->mode.MacAddressChangeable = FALSE;\r
+ Snp->Mode.MacAddressChangeable = FALSE;\r
}\r
\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_MULTI_FRAME_SUPPORTED) != 0) {\r
- snp->mode.MultipleTxSupported = TRUE;\r
+ if ((Pxe->hw.Implementation & PXE_ROMID_IMP_MULTI_FRAME_SUPPORTED) != 0) {\r
+ Snp->Mode.MultipleTxSupported = TRUE;\r
} else {\r
- snp->mode.MultipleTxSupported = FALSE;\r
+ Snp->Mode.MultipleTxSupported = FALSE;\r
}\r
\r
- snp->mode.ReceiveFilterMask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST;\r
+ Snp->Mode.ReceiveFilterMask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST;\r
\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) != 0) {\r
- snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r
+ if ((Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) != 0) {\r
+ Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r
\r
}\r
\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {\r
- snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;\r
+ if ((Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {\r
+ Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;\r
\r
}\r
\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {\r
- snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;\r
+ if ((Pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {\r
+ Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;\r
\r
}\r
\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_FILTERED_MULTICAST_RX_SUPPORTED) != 0) {\r
- snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST;\r
+ if ((Pxe->hw.Implementation & PXE_ROMID_IMP_FILTERED_MULTICAST_RX_SUPPORTED) != 0) {\r
+ Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST;\r
\r
}\r
\r
- if (pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) {\r
- snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r
+ if ((Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) != 0) {\r
+ Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r
\r
}\r
\r
- snp->mode.ReceiveFilterSetting = 0;\r
+ Snp->Mode.ReceiveFilterSetting = 0;\r
\r
//\r
// need to get the station address to save in the mode structure. we need to\r
// initialize the UNDI first for this.\r
//\r
- snp->tx_rx_bufsize = snp->init_info.MemoryRequired;\r
- Status = pxe_init (snp, PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE);\r
+ Snp->TxRxBufferSize = Snp->InitInfo.MemoryRequired;\r
+ Status = PxeInit (Snp, PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE);\r
\r
- if (Status) {\r
- pxe_stop (snp);\r
+ if (EFI_ERROR (Status)) {\r
+ PxeStop (Snp);\r
goto Error_DeleteSNP;\r
}\r
\r
- Status = pxe_get_stn_addr (snp);\r
+ Status = PxeGetStnAddr (Snp);\r
\r
if (Status != EFI_SUCCESS) {\r
- DEBUG ((EFI_D_ERROR, "\nsnp->undi.get_station_addr() failed.\n"));\r
- pxe_shutdown (snp);\r
- pxe_stop (snp);\r
+ DEBUG ((EFI_D_ERROR, "\nSnp->undi.get_station_addr() failed.\n"));\r
+ PxeShutdown (Snp);\r
+ PxeStop (Snp);\r
goto Error_DeleteSNP;\r
}\r
\r
- snp->mode.MediaPresent = FALSE;\r
+ Snp->Mode.MediaPresent = FALSE;\r
\r
//\r
// We should not leave UNDI started and initialized here. this DriverStart()\r
// routine must only find and attach the SNP interface to UNDI layer that it\r
// finds on the given handle!\r
- // The UNDI layer will be started when upper layers call snp->start.\r
+ // The UNDI layer will be started when upper layers call Snp->start.\r
// How ever, this DriverStart() must fill up the snp mode structure which\r
// contains the MAC address of the NIC. For this reason we started and\r
// initialized UNDI here, now we are done, do a shutdown and stop of the\r
// UNDI interface!\r
//\r
- pxe_shutdown (snp);\r
- pxe_stop (snp);\r
+ PxeShutdown (Snp);\r
+ PxeStop (Snp);\r
+\r
+ //\r
+ // Create EXIT_BOOT_SERIVES Event\r
+ //\r
+ Status = gBS->CreateEventEx (\r
+ EVT_NOTIFY_SIGNAL,\r
+ TPL_NOTIFY,\r
+ SnpNotifyExitBootServices,\r
+ Snp,\r
+ &gEfiEventExitBootServicesGuid,\r
+ &Snp->ExitBootServicesEvent\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ goto Error_DeleteSNP;\r
+ }\r
\r
//\r
// add SNP to the undi handle\r
&Controller,\r
&gEfiSimpleNetworkProtocolGuid,\r
EFI_NATIVE_INTERFACE,\r
- &(snp->snp)\r
+ &(Snp->Snp)\r
);\r
\r
if (!EFI_ERROR (Status)) {\r
return Status;\r
}\r
\r
- Status = mPciIoFncs->FreeBuffer (\r
- mPciIoFncs,\r
+ Status = mPciIo->FreeBuffer (\r
+ mPciIo,\r
SNP_MEM_PAGES (4096),\r
- snp->cpb\r
+ Snp->Cpb\r
);\r
\r
Error_DeleteSNP:\r
\r
- mPciIoFncs->FreeBuffer (\r
- mPciIoFncs,\r
+ mPciIo->FreeBuffer (\r
+ mPciIo,\r
SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r
- snp\r
+ Snp\r
);\r
NiiError:\r
gBS->CloseProtocol (\r
return Status;\r
}\r
\r
-\r
/**\r
-\r
-\r
+ Stop this driver on ControllerHandle. This service is called by the\r
+ EFI boot service DisconnectController(). In order to\r
+ make drivers as small as possible, there are a few calling\r
+ restrictions for this service. DisconnectController()\r
+ must follow these calling restrictions. If any other agent wishes\r
+ to call Stop() it must also follow these calling restrictions.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param ControllerHandle Handle of device to stop driver on\r
+ @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r
+ children is zero stop the entire bus driver.\r
+ @param ChildHandleBuffer List of Child Handles to Stop.\r
+\r
+ @retval EFI_SUCCESS This driver is removed ControllerHandle\r
+ @retval other This driver was not removed from this device\r
\r
**/\r
EFI_STATUS\r
Status = gBS->UninstallProtocolInterface (\r
Controller,\r
&gEfiSimpleNetworkProtocolGuid,\r
- &Snp->snp\r
+ &Snp->Snp\r
);\r
\r
if (EFI_ERROR (Status)) {\r
return Status;\r
}\r
\r
+ //\r
+ // Close EXIT_BOOT_SERIVES Event\r
+ //\r
+ gBS->CloseEvent (Snp->ExitBootServicesEvent);\r
+\r
Status = gBS->CloseProtocol (\r
Controller,\r
&gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r
Controller\r
);\r
\r
- pxe_shutdown (Snp);\r
- pxe_stop (Snp);\r
+ PxeShutdown (Snp);\r
+ PxeStop (Snp);\r
\r
- mPciIoFncs->FreeBuffer (\r
- mPciIoFncs,\r
+ mPciIo->FreeBuffer (\r
+ mPciIo,\r
SNP_MEM_PAGES (4096),\r
- Snp->cpb\r
+ Snp->Cpb\r
);\r
\r
- mPciIoFncs->FreeBuffer (\r
- mPciIoFncs,\r
+ mPciIo->FreeBuffer (\r
+ mPciIo,\r
SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r
Snp\r
);\r
return Status;\r
}\r
\r
+//\r
+// Simple Network Protocol Driver Global Variables\r
+//\r
+EFI_DRIVER_BINDING_PROTOCOL mSimpleNetworkDriverBinding = {\r
+ SimpleNetworkDriverSupported,\r
+ SimpleNetworkDriverStart,\r
+ SimpleNetworkDriverStop,\r
+ 0xa,\r
+ NULL,\r
+ NULL\r
+};\r
+\r
+\r
+/**\r
+ This routine maps the given CPU address to a Device address. It creates a\r
+ an entry in the map list with the virtual and physical addresses and the\r
+ un map cookie.\r
+\r
+ @param V2p pointer to return a map list node pointer.\r
+ @param Type the direction in which the data flows from the given\r
+ virtual address device->cpu or cpu->device or both\r
+ ways.\r
+ @param VirtualAddress virtual address (or CPU address) to be mapped.\r
+ @param BufferSize size of the buffer to be mapped.\r
+\r
+ @retval EFI_SUCEESS routine has completed the mapping.\r
+ @retval EFI_INVALID_PARAMETER invalid parameter.\r
+ @retval EFI_OUT_OF_RESOURCES out of resource.\r
+ @retval other error as indicated.\r
+\r
+**/\r
+EFI_STATUS\r
+AddV2P (\r
+ IN OUT V2P **V2p,\r
+ EFI_PCI_IO_PROTOCOL_OPERATION Type,\r
+ VOID *VirtualAddress,\r
+ UINTN BufferSize\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+\r
+ if ((V2p == NULL) || (VirtualAddress == NULL) || (BufferSize == 0)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ *V2p = AllocatePool (sizeof (V2P));\r
+ if (*V2p == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ Status = mPciIo->Map (\r
+ mPciIo,\r
+ Type,\r
+ VirtualAddress,\r
+ &BufferSize,\r
+ &(*V2p)->PhysicalAddress,\r
+ &(*V2p)->Unmap\r
+ );\r
+ if (Status != EFI_SUCCESS) {\r
+ FreePool (*V2p);\r
+ return Status;\r
+ }\r
+ (*V2p)->VirtualAddress = VirtualAddress;\r
+ (*V2p)->BufferSize = BufferSize;\r
+ (*V2p)->Next = mV2p;\r
+ mV2p = *V2p;\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+/**\r
+ This routine searches the linked list of mapped address nodes (for undi3.0\r
+ interface) to find the node that corresponds to the given virtual address and\r
+ returns a pointer to that node.\r
+\r
+ @param V2p pointer to return a map list node pointer.\r
+ @param VirtualAddr virtual address (or CPU address) to be searched in\r
+ the map list\r
+\r
+ @retval EFI_SUCEESS A match was found.\r
+ @retval Other A match cannot be found.\r
+\r
+**/\r
+EFI_STATUS\r
+FindV2p (\r
+ V2P **V2p,\r
+ VOID *VirtualAddr\r
+ )\r
+{\r
+ V2P *Ptr;\r
+\r
+ if (V2p == NULL || VirtualAddr == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ for (Ptr = mV2p; Ptr != NULL; Ptr = Ptr->Next) {\r
+ if (Ptr->VirtualAddress == VirtualAddr) {\r
+ *V2p = Ptr;\r
+ return EFI_SUCCESS;\r
+ }\r
+ }\r
+\r
+ return EFI_NOT_FOUND;\r
+}\r
+\r
+\r
+/**\r
+ Unmap the given virtual address and free the memory allocated for the map list\r
+ node corresponding to that address.\r
+\r
+ @param VirtualAddress virtual address (or CPU address) to be unmapped.\r
+\r
+ @retval EFI_SUCEESS Successfully unmapped.\r
+ @retval Other Other errors as indicated.\r
+\r
+**/\r
+EFI_STATUS\r
+DelV2p (\r
+ VOID *VirtualAddress\r
+ )\r
+{\r
+ V2P *Current;\r
+ V2P *Next;\r
+ EFI_STATUS Status;\r
+\r
+ if (VirtualAddress == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ if (mV2p == NULL) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ //\r
+ // Is our node at the head of the list??\r
+ //\r
+ if ((Current = mV2p)->VirtualAddress == VirtualAddress) {\r
+ mV2p = mV2p->Next;\r
+\r
+ Status = mPciIo->Unmap (mPciIo, Current->Unmap);\r
+\r
+ FreePool (Current);\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "Unmap failed with status = %r\n", Status));\r
+ }\r
+ return Status;\r
+ }\r
+\r
+ for (; Current->Next != NULL; Current = Next) {\r
+ if ((Next = Current->Next)->VirtualAddress == VirtualAddress) {\r
+ Current->Next = Next->Next;\r
+ Status = mPciIo->Unmap (mPciIo, Next->Unmap);\r
+ FreePool (Next);\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "Unmap failed with status = %r\n", Status));\r
+ }\r
+ return Status;\r
+ }\r
+ }\r
+\r
+ return EFI_NOT_FOUND;\r
+}\r
\r
/**\r
- Install all the driver protocol\r
+ The SNP driver entry point.\r
\r
- @param entry EFI_IMAGE_ENTRY_POINT)\r
+ @param ImageHandle The driver image handle.\r
+ @param SystemTable The system table.\r
\r
- @retval EFI_SUCEESS Initialization routine has found UNDI hardware,\r
- loaded it's ROM, and installed a notify event for\r
- the Network Indentifier Interface Protocol\r
- successfully.\r
- @retval Other Return value from HandleProtocol for\r
- DeviceIoProtocol or LoadedImageProtocol\r
+ @retval EFI_SUCEESS Initialization routine has found UNDI hardware,\r
+ loaded it's ROM, and installed a notify event for\r
+ the Network Indentifier Interface Protocol\r
+ successfully.\r
+ @retval Other Return value from HandleProtocol for\r
+ DeviceIoProtocol or LoadedImageProtocol\r
\r
**/\r
EFI_STATUS\r