From 1840420c7de2e91a93ffd7933e247c105345d547 Mon Sep 17 00:00:00 2001 From: vanjeff Date: Wed, 20 Feb 2008 02:20:32 +0000 Subject: [PATCH] remove callback.c git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4719 6f19259b-4bc3-4df7-8a09-765794883524 --- .../Universal/Network/SnpDxe/callback.c | 611 ------------------ 1 file changed, 611 deletions(-) delete mode 100644 MdeModulePkg/Universal/Network/SnpDxe/callback.c diff --git a/MdeModulePkg/Universal/Network/SnpDxe/callback.c b/MdeModulePkg/Universal/Network/SnpDxe/callback.c deleted file mode 100644 index c246874917..0000000000 --- a/MdeModulePkg/Universal/Network/SnpDxe/callback.c +++ /dev/null @@ -1,611 +0,0 @@ -/*++ -Copyright (c) 2006, 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: - callback.c - -Abstract: - This file contains two sets of callback routines for undi3.0 and undi3.1. - the callback routines for Undi3.1 have an extra parameter UniqueId which - stores the interface context for the NIC that snp is trying to talk.. - ---*/ - - -#include "Snp.h" - -// -// Global variables -// these 2 global variables are used only for 3.0 undi. we could not place -// them in the snp structure because we will not know which snp structure -// in the callback context! -// -STATIC BOOLEAN mInitializeLock = TRUE; -STATIC EFI_LOCK mLock; - -// -// End Global variables -// -extern EFI_PCI_IO_PROTOCOL *mPciIoFncs; - -VOID -snp_undi32_callback_v2p_30 ( - IN UINT64 CpuAddr, - IN OUT UINT64 DeviceAddrPtr - ) -/*++ - -Routine Description: - This is a callback routine supplied to UNDI at undi_start time. - UNDI call this routine with a virtual or CPU address that SNP provided - to convert it to a physical or device address. Since EFI uses the identical - mapping, this routine returns the physical address same as the virtual address - for most of the addresses. an address above 4GB cannot generally be used as a - device address, it needs to be mapped to a lower physical address. This routine - does not call the map routine itself, but it assumes that the mapping was done - at the time of providing the address to UNDI. This routine just looks up the - address in a map table (which is the v2p structure chain) - -Arguments: - CpuAddr - virtual address of a buffer - DeviceAddrPtr - pointer to the physical address - -Returns: - void - The DeviceAddrPtr will contain 0 in case of any error - ---*/ -{ - struct s_v2p *v2p; - // - // Do nothing if virtual address is zero or physical pointer is NULL. - // No need to map if the virtual address is within 4GB limit since - // EFI uses identical mapping - // - if ((CpuAddr == 0) || (DeviceAddrPtr == 0)) { - DEBUG ((EFI_D_ERROR, "\nv2p: Null virtual address or physical pointer.\n")); - return ; - } - - if (CpuAddr < FOUR_GIGABYTES) { - *(UINT64 *) (UINTN) DeviceAddrPtr = CpuAddr; - return ; - } - // - // SNP creates a vaddr tp paddr mapping at the time of calling undi with any - // big address, this callback routine just looks up in the v2p list and - // returns the physical address for any given virtual address. - // - if (find_v2p (&v2p, (VOID *) (UINTN) CpuAddr) != EFI_SUCCESS) { - *(UINT64 *) (UINTN) DeviceAddrPtr = CpuAddr; - } else { - *(UINT64 *) (UINTN) DeviceAddrPtr = v2p->paddr; - } -} - -VOID -snp_undi32_callback_block_30 ( - IN UINT32 Enable - ) -/*++ - -Routine Description: - This is a callback routine supplied to UNDI at undi_start time. - UNDI call this routine when it wants to have exclusive access to a critical - section of the code/data - -Arguments: - Enable - non-zero indicates acquire - zero indicates release - -Returns: - void ---*/ -{ - // - // tcpip was calling snp at tpl_notify and if we acquire a lock that was - // created at a lower level (TPL_CALLBACK) it gives an assert! - // - if (mInitializeLock) { - EfiInitializeLock (&mLock, TPL_NOTIFY); - mInitializeLock = FALSE; - } - - if (Enable != 0) { - EfiAcquireLock (&mLock); - } else { - EfiReleaseLock (&mLock); - } -} - -VOID -snp_undi32_callback_delay_30 ( - IN UINT64 MicroSeconds - ) -/*++ - -Routine Description: - This is a callback routine supplied to UNDI at undi_start time. - UNDI call this routine with the number of micro seconds when it wants to - pause. - -Arguments: - MicroSeconds - number of micro seconds to pause, ususlly multiple of 10 - -Returns: - void ---*/ -{ - if (MicroSeconds != 0) { - gBS->Stall ((UINTN) MicroSeconds); - } -} - -VOID -snp_undi32_callback_memio_30 ( - IN UINT8 ReadOrWrite, - IN UINT8 NumBytes, - IN UINT64 Address, - IN OUT UINT64 BufferAddr - ) -/*++ - -Routine Description: - This is a callback routine supplied to UNDI at undi_start time. - This is the IO routine for UNDI. This is not currently being used by UNDI3.0 - because Undi3.0 uses io/mem offsets relative to the beginning of the device - io/mem address and so it needs to use the PCI_IO_FUNCTION that abstracts the - start of the device's io/mem addresses. Since SNP cannot retrive the context - of the undi3.0 interface it cannot use the PCI_IO_FUNCTION that specific for - that NIC and uses one global IO functions structure, this does not work. - This however works fine for EFI1.0 Undis because they use absolute addresses - for io/mem access. - -Arguments: - ReadOrWrite - indicates read or write, IO or Memory - NumBytes - number of bytes to read or write - Address - IO or memory address to read from or write to - BufferAddr - memory location to read into or that contains the bytes - to write - -Returns: - ---*/ -{ - EFI_PCI_IO_PROTOCOL_WIDTH Width; - - switch (NumBytes) { - case 2: - Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 1; - break; - - case 4: - Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 2; - break; - - case 8: - Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 3; - break; - - default: - Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 0; - } - - switch (ReadOrWrite) { - case PXE_IO_READ: - mPciIoFncs->Io.Read ( - mPciIoFncs, - Width, - 1, // BAR 1, IO base address - Address, - 1, // count - (VOID *) (UINTN) BufferAddr - ); - break; - - case PXE_IO_WRITE: - mPciIoFncs->Io.Write ( - mPciIoFncs, - Width, - 1, // BAR 1, IO base address - Address, - 1, // count - (VOID *) (UINTN) BufferAddr - ); - break; - - case PXE_MEM_READ: - mPciIoFncs->Mem.Read ( - mPciIoFncs, - Width, - 0, // BAR 0, Memory base address - Address, - 1, // count - (VOID *) (UINTN) BufferAddr - ); - break; - - case PXE_MEM_WRITE: - mPciIoFncs->Mem.Write ( - mPciIoFncs, - Width, - 0, // BAR 0, Memory base address - Address, - 1, // count - (VOID *) (UINTN) BufferAddr - ); - break; - } - - return ; -} -// -// New callbacks for 3.1: -// there won't be a virtual2physical callback for UNDI 3.1 because undi3.1 uses -// the MemMap call to map the required address by itself! -// -VOID -snp_undi32_callback_block ( - IN UINT64 UniqueId, - IN UINT32 Enable - ) -/*++ - -Routine Description: - This is a callback routine supplied to UNDI3.1 at undi_start time. - UNDI call this routine when it wants to have exclusive access to a critical - section of the code/data - -Arguments: - UniqueId - This was supplied to UNDI at Undi_Start, SNP uses this to store - Undi interface context (Undi does not read or write this variable) - Enable - non-zero indicates acquire - zero indicates release - -Returns: - void - ---*/ -{ - SNP_DRIVER *snp; - - snp = (SNP_DRIVER *) (UINTN) UniqueId; - // - // tcpip was calling snp at tpl_notify and when we acquire a lock that was - // created at a lower level (TPL_CALLBACK) it gives an assert! - // - if (Enable != 0) { - EfiAcquireLock (&snp->lock); - } else { - EfiReleaseLock (&snp->lock); - } -} - -VOID -snp_undi32_callback_delay ( - IN UINT64 UniqueId, - IN UINT64 MicroSeconds - ) -/*++ - -Routine Description: - This is a callback routine supplied to UNDI at undi_start time. - UNDI call this routine with the number of micro seconds when it wants to - pause. - -Arguments: - MicroSeconds - number of micro seconds to pause, ususlly multiple of 10 - -Returns: - void ---*/ -{ - if (MicroSeconds != 0) { - gBS->Stall ((UINTN) MicroSeconds); - } -} - -/* - * IO routine for UNDI start CPB. - */ -VOID -snp_undi32_callback_memio ( - UINT64 UniqueId, - UINT8 ReadOrWrite, - UINT8 NumBytes, - UINT64 Address, - UINT64 BufferAddr - ) -/*++ - -Routine Description: - This is a callback routine supplied to UNDI at undi_start time. - This is the IO routine for UNDI3.1. - -Arguments: - ReadOrWrite - indicates read or write, IO or Memory - NumBytes - number of bytes to read or write - Address - IO or memory address to read from or write to - BufferAddr - memory location to read into or that contains the bytes - to write - -Returns: - ---*/ -{ - SNP_DRIVER *snp; - EFI_PCI_IO_PROTOCOL_WIDTH Width; - - snp = (SNP_DRIVER *) (UINTN) UniqueId; - - Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 0; - switch (NumBytes) { - case 2: - Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 1; - break; - - case 4: - Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 2; - break; - - case 8: - Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 3; - break; - } - - switch (ReadOrWrite) { - case PXE_IO_READ: - snp->IoFncs->Io.Read ( - snp->IoFncs, - Width, - snp->IoBarIndex, // BAR 1 (for 32bit regs), IO base address - Address, - 1, // count - (VOID *) (UINTN) BufferAddr - ); - break; - - case PXE_IO_WRITE: - snp->IoFncs->Io.Write ( - snp->IoFncs, - Width, - snp->IoBarIndex, // BAR 1 (for 32bit regs), IO base address - Address, - 1, // count - (VOID *) (UINTN) BufferAddr - ); - break; - - case PXE_MEM_READ: - snp->IoFncs->Mem.Read ( - snp->IoFncs, - Width, - snp->MemoryBarIndex, // BAR 0, Memory base address - Address, - 1, // count - (VOID *) (UINTN) BufferAddr - ); - break; - - case PXE_MEM_WRITE: - snp->IoFncs->Mem.Write ( - snp->IoFncs, - Width, - snp->MemoryBarIndex, // BAR 0, Memory base address - Address, - 1, // count - (VOID *) (UINTN) BufferAddr - ); - break; - } - - return ; -} - -VOID -snp_undi32_callback_map ( - IN UINT64 UniqueId, - IN UINT64 CpuAddr, - IN UINT32 NumBytes, - IN UINT32 Direction, - IN OUT UINT64 DeviceAddrPtr - ) -/*++ - -Routine Description: - This is a callback routine supplied to UNDI at undi_start time. - UNDI call this routine when it has to map a CPU address to a device - address. - -Arguments: - UniqueId - This was supplied to UNDI at Undi_Start, SNP uses this to store - Undi interface context (Undi does not read or write this variable) - CpuAddr - Virtual address to be mapped! - NumBytes - size of memory to be mapped - Direction - direction of data flow for this memory's usage: - cpu->device, device->cpu or both ways - DeviceAddrPtr - pointer to return the mapped device address - -Returns: - None - ---*/ -{ - EFI_PHYSICAL_ADDRESS *DevAddrPtr; - EFI_PCI_IO_PROTOCOL_OPERATION DirectionFlag; - UINTN BuffSize; - SNP_DRIVER *snp; - UINTN Index; - EFI_STATUS Status; - - BuffSize = (UINTN) NumBytes; - snp = (SNP_DRIVER *) (UINTN) UniqueId; - DevAddrPtr = (EFI_PHYSICAL_ADDRESS *) (UINTN) DeviceAddrPtr; - - if (CpuAddr == 0) { - *DevAddrPtr = 0; - return ; - } - - switch (Direction) { - case TO_AND_FROM_DEVICE: - DirectionFlag = EfiPciIoOperationBusMasterCommonBuffer; - break; - - case FROM_DEVICE: - DirectionFlag = EfiPciIoOperationBusMasterWrite; - break; - - case TO_DEVICE: - DirectionFlag = EfiPciIoOperationBusMasterRead; - break; - - default: - *DevAddrPtr = 0; - // - // any non zero indicates error! - // - return ; - } - // - // find an unused map_list entry - // - for (Index = 0; Index < MAX_MAP_LENGTH; Index++) { - if (snp->map_list[Index].virt == 0) { - break; - } - } - - if (Index >= MAX_MAP_LENGTH) { - DEBUG ((EFI_D_INFO, "SNP maplist is FULL\n")); - *DevAddrPtr = 0; - return ; - } - - snp->map_list[Index].virt = (EFI_PHYSICAL_ADDRESS) CpuAddr; - - Status = snp->IoFncs->Map ( - snp->IoFncs, - DirectionFlag, - (VOID *) (UINTN) CpuAddr, - &BuffSize, - DevAddrPtr, - &(snp->map_list[Index].map_cookie) - ); - if (Status != EFI_SUCCESS) { - *DevAddrPtr = 0; - snp->map_list[Index].virt = 0; - } - - return ; -} - -VOID -snp_undi32_callback_unmap ( - IN UINT64 UniqueId, - IN UINT64 CpuAddr, - IN UINT32 NumBytes, - IN UINT32 Direction, - IN UINT64 DeviceAddr - ) -/*++ - -Routine Description: - This is a callback routine supplied to UNDI at undi_start time. - UNDI call this routine when it wants to unmap an address that was previously - mapped using map callback - -Arguments: - UniqueId - This was supplied to UNDI at Undi_Start, SNP uses this to store - Undi interface context (Undi does not read or write this variable) - CpuAddr - Virtual address that was mapped! - NumBytes - size of memory mapped - Direction- direction of data flow for this memory's usage: - cpu->device, device->cpu or both ways - DeviceAddr - the mapped device address - -Returns: - ---*/ -{ - SNP_DRIVER *snp; - UINT16 Index; - - snp = (SNP_DRIVER *) (UINTN) UniqueId; - - for (Index = 0; Index < MAX_MAP_LENGTH; Index++) { - if (snp->map_list[Index].virt == CpuAddr) { - break; - } - } - - if (Index >= MAX_MAP_LENGTH) - { - DEBUG ((EFI_D_ERROR, "SNP could not find a mapping, failed to unmap.\n")); - return ; - } - - snp->IoFncs->Unmap (snp->IoFncs, snp->map_list[Index].map_cookie); - snp->map_list[Index].virt = 0; - snp->map_list[Index].map_cookie = NULL; - return ; -} - -VOID -snp_undi32_callback_sync ( - UINT64 UniqueId, - UINT64 CpuAddr, - UINT32 NumBytes, - UINT32 Direction, - UINT64 DeviceAddr - ) -/*++ - -Routine Description: - This is a callback routine supplied to UNDI at undi_start time. - UNDI call this routine when it wants synchronize the virtual buffer contents - with the mapped buffer contents. The virtual and mapped buffers need not - correspond to the same physical memory (especially if the virtual address is - > 4GB). Depending on the direction for which the buffer is mapped, undi will - need to synchronize their contents whenever it writes to/reads from the buffer - using either the cpu address or the device address. - - EFI does not provide a sync call, since virt=physical, we sould just do - the synchronization ourself here! - -Arguments: - UniqueId - This was supplied to UNDI at Undi_Start, SNP uses this to store - Undi interface context (Undi does not read or write this variable) - CpuAddr - Virtual address that was mapped! - NumBytes - size of memory mapped - Direction- direction of data flow for this memory's usage: - cpu->device, device->cpu or both ways - DeviceAddr - the mapped device address - -Returns: - ---*/ -{ - if ((CpuAddr == 0) || (DeviceAddr == 0) || (NumBytes == 0)) { - return ; - - } - - switch (Direction) { - case FROM_DEVICE: - CopyMem ((UINT8 *) (UINTN) CpuAddr, (UINT8 *) (UINTN) DeviceAddr, NumBytes); - break; - - case TO_DEVICE: - CopyMem ((UINT8 *) (UINTN) DeviceAddr, (UINT8 *) (UINTN) CpuAddr, NumBytes); - break; - } - - return ; -} -- 2.39.2