mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-18 15:27:48 +01:00
1375 lines
47 KiB
C
1375 lines
47 KiB
C
/** @file
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The helper functions for BlockIo and BlockIo2 protocol.
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Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "SdDxe.h"
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/**
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Nonblocking I/O callback funtion when the event is signaled.
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@param[in] Event The Event this notify function registered to.
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@param[in] Context Pointer to the context data registered to the
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Event.
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**/
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VOID
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EFIAPI
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AsyncIoCallback (
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IN EFI_EVENT Event,
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IN VOID *Context
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)
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{
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SD_REQUEST *Request;
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gBS->CloseEvent (Event);
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Request = (SD_REQUEST *) Context;
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DEBUG_CODE_BEGIN ();
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DEBUG ((EFI_D_INFO, "Sd Async Request: CmdIndex[%d] Arg[%08x] %r\n",
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Request->SdMmcCmdBlk.CommandIndex, Request->SdMmcCmdBlk.CommandArgument,
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Request->Packet.TransactionStatus));
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DEBUG_CODE_END ();
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if (EFI_ERROR(Request->Packet.TransactionStatus)) {
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Request->Token->TransactionStatus = Request->Packet.TransactionStatus;
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}
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RemoveEntryList (&Request->Link);
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if (Request->IsEnd) {
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gBS->SignalEvent (Request->Token->Event);
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}
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FreePool(Request);
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}
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/**
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Send command SET_RELATIVE_ADDRESS to the device to set the device address.
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@param[in] Device A pointer to the SD_DEVICE instance.
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@param[out] Rca The relative device address to assign.
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@retval EFI_SUCCESS The request is executed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
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@retval Others The request could not be executed successfully.
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**/
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EFI_STATUS
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SdSetRca (
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IN SD_DEVICE *Device,
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OUT UINT16 *Rca
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)
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{
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EFI_STATUS Status;
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EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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PassThru = Device->Private->PassThru;
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ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
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ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
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ZeroMem (&Packet, sizeof (Packet));
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Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
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Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
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Packet.Timeout = SD_GENERIC_TIMEOUT;
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SdMmcCmdBlk.CommandIndex = SD_SET_RELATIVE_ADDR;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR6;
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Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);
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if (!EFI_ERROR(Status)) {
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DEBUG ((EFI_D_INFO, "Set RCA succeeds with Resp0 = 0x%x\n", SdMmcStatusBlk.Resp0));
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*Rca = (UINT16)(SdMmcStatusBlk.Resp0 >> 16);
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}
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return Status;
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}
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/**
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Send command SELECT to the device to select/deselect the device.
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@param[in] Device A pointer to the SD_DEVICE instance.
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@param[in] Rca The relative device address to use.
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@retval EFI_SUCCESS The request is executed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
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@retval Others The request could not be executed successfully.
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**/
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EFI_STATUS
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SdSelect (
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IN SD_DEVICE *Device,
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IN UINT16 Rca
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)
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{
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EFI_STATUS Status;
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EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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PassThru = Device->Private->PassThru;
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ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
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ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
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ZeroMem (&Packet, sizeof (Packet));
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Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
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Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
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Packet.Timeout = SD_GENERIC_TIMEOUT;
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SdMmcCmdBlk.CommandIndex = SD_SELECT_DESELECT_CARD;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
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if (Rca != 0) {
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;
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}
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SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
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Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);
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return Status;
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}
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/**
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Send command SEND_STATUS to the device to get device status.
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@param[in] Device A pointer to the SD_DEVICE instance.
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@param[in] Rca The relative device address to use.
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@param[out] DevStatus The buffer to store the device status.
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@retval EFI_SUCCESS The request is executed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
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@retval Others The request could not be executed successfully.
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**/
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EFI_STATUS
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SdSendStatus (
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IN SD_DEVICE *Device,
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IN UINT16 Rca,
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OUT UINT32 *DevStatus
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)
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{
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EFI_STATUS Status;
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EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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PassThru = Device->Private->PassThru;
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ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
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ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
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ZeroMem (&Packet, sizeof (Packet));
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Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
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Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
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Packet.Timeout = SD_GENERIC_TIMEOUT;
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SdMmcCmdBlk.CommandIndex = SD_SEND_STATUS;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
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SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
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Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);
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if (!EFI_ERROR(Status)) {
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CopyMem(DevStatus, &SdMmcStatusBlk.Resp0, sizeof (UINT32));
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}
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return Status;
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}
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/**
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Send command SEND_CSD to the device to get the CSD register data.
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@param[in] Device A pointer to the SD_DEVICE instance.
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@param[in] Rca The relative device address to use.
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@param[out] Csd The buffer to store the SD_CSD register data.
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@retval EFI_SUCCESS The request is executed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
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@retval Others The request could not be executed successfully.
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**/
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EFI_STATUS
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SdGetCsd (
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IN SD_DEVICE *Device,
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IN UINT16 Rca,
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OUT SD_CSD *Csd
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)
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{
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EFI_STATUS Status;
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EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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PassThru = Device->Private->PassThru;
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ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
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ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
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ZeroMem (&Packet, sizeof (Packet));
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ZeroMem (Csd, sizeof (SD_CSD));
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Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
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Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
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Packet.Timeout = SD_GENERIC_TIMEOUT;
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SdMmcCmdBlk.CommandIndex = SD_SEND_CSD;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;
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SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
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Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);
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if (!EFI_ERROR(Status)) {
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//
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// For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.
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//
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CopyMem(((UINT8*)Csd) + 1, &SdMmcStatusBlk.Resp0, sizeof (SD_CSD) - 1);
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}
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return Status;
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}
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/**
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Send command SEND_CID to the device to get the CID register data.
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@param[in] Device A pointer to the SD_DEVICE instance.
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@param[in] Rca The relative device address to use.
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@param[out] Cid The buffer to store the SD_CID register data.
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@retval EFI_SUCCESS The request is executed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
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@retval Others The request could not be executed successfully.
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**/
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EFI_STATUS
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SdGetCid (
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IN SD_DEVICE *Device,
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IN UINT16 Rca,
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OUT SD_CID *Cid
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)
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{
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EFI_STATUS Status;
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EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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PassThru = Device->Private->PassThru;
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ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
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ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
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ZeroMem (&Packet, sizeof (Packet));
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ZeroMem (Cid, sizeof (SD_CID));
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Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
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Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
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Packet.Timeout = SD_GENERIC_TIMEOUT;
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SdMmcCmdBlk.CommandIndex = SD_SEND_CID;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;
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SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
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Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);
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if (!EFI_ERROR(Status)) {
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//
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// For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.
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//
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CopyMem(((UINT8*)Cid) + 1, &SdMmcStatusBlk.Resp0, sizeof (SD_CID) - 1);
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}
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return Status;
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}
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/**
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Read/write single block through sync or async I/O request.
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@param[in] Device A pointer to the SD_DEVICE instance.
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@param[in] Lba The starting logical block address to be read/written.
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The caller is responsible for reading/writing to only
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legitimate locations.
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@param[in] Buffer A pointer to the destination/source buffer for the data.
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@param[in] BufferSize Size of Buffer, must be a multiple of device block size.
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@param[in] IsRead Indicates it is a read or write operation.
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@param[in] Token A pointer to the token associated with the transaction.
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@param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.
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This parameter is only meaningful in async I/O request.
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@retval EFI_SUCCESS The request is executed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
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@retval Others The request could not be executed successfully.
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**/
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EFI_STATUS
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SdRwSingleBlock (
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IN SD_DEVICE *Device,
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IN EFI_LBA Lba,
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IN VOID *Buffer,
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IN UINTN BufferSize,
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IN BOOLEAN IsRead,
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IN EFI_BLOCK_IO2_TOKEN *Token,
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IN BOOLEAN IsEnd
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)
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{
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EFI_STATUS Status;
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EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
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SD_REQUEST *RwSingleBlkReq;
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EFI_TPL OldTpl;
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RwSingleBlkReq = NULL;
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PassThru = Device->Private->PassThru;
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RwSingleBlkReq = AllocateZeroPool(sizeof (SD_REQUEST));
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if (RwSingleBlkReq == NULL) {
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Status = EFI_OUT_OF_RESOURCES;
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goto Error;
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}
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RwSingleBlkReq->Signature = SD_REQUEST_SIGNATURE;
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OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
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InsertTailList (&Device->Queue, &RwSingleBlkReq->Link);
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gBS->RestoreTPL (OldTpl);
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RwSingleBlkReq->Packet.SdMmcCmdBlk = &RwSingleBlkReq->SdMmcCmdBlk;
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RwSingleBlkReq->Packet.SdMmcStatusBlk = &RwSingleBlkReq->SdMmcStatusBlk;
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//
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// Calculate timeout value through the below formula.
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// Timeout = (transfer size) / (2MB/s).
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// Taking 2MB/s as divisor as it's the lowest transfer speed
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// above class 2.
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// Refer to SD Physical Layer Simplified spec section 3.4 for details.
|
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//
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RwSingleBlkReq->Packet.Timeout = (BufferSize / (2 * 1024 * 1024) + 1) * 1000 * 1000;
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if (IsRead) {
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RwSingleBlkReq->Packet.InDataBuffer = Buffer;
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RwSingleBlkReq->Packet.InTransferLength = (UINT32)BufferSize;
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RwSingleBlkReq->SdMmcCmdBlk.CommandIndex = SD_READ_SINGLE_BLOCK;
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RwSingleBlkReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
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RwSingleBlkReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
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} else {
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RwSingleBlkReq->Packet.OutDataBuffer = Buffer;
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RwSingleBlkReq->Packet.OutTransferLength = (UINT32)BufferSize;
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|
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RwSingleBlkReq->SdMmcCmdBlk.CommandIndex = SD_WRITE_SINGLE_BLOCK;
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RwSingleBlkReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
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RwSingleBlkReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
|
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}
|
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|
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if (Device->SectorAddressing) {
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RwSingleBlkReq->SdMmcCmdBlk.CommandArgument = (UINT32)Lba;
|
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} else {
|
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RwSingleBlkReq->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (Lba, Device->BlockMedia.BlockSize);
|
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}
|
|
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RwSingleBlkReq->IsEnd = IsEnd;
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RwSingleBlkReq->Token = Token;
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|
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if ((Token != NULL) && (Token->Event != NULL)) {
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Status = gBS->CreateEvent (
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EVT_NOTIFY_SIGNAL,
|
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TPL_NOTIFY,
|
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AsyncIoCallback,
|
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RwSingleBlkReq,
|
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&RwSingleBlkReq->Event
|
|
);
|
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if (EFI_ERROR(Status)) {
|
|
goto Error;
|
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}
|
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} else {
|
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RwSingleBlkReq->Event = NULL;
|
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}
|
|
|
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Status = PassThru->PassThru (PassThru, Device->Slot, &RwSingleBlkReq->Packet, RwSingleBlkReq->Event);
|
|
|
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Error:
|
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if ((Token != NULL) && (Token->Event != NULL)) {
|
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//
|
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// For asynchronous operation, only free request and event in error case.
|
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// The request and event will be freed in asynchronous callback for success case.
|
|
//
|
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if (EFI_ERROR(Status) && (RwSingleBlkReq != NULL)) {
|
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OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
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RemoveEntryList (&RwSingleBlkReq->Link);
|
|
gBS->RestoreTPL (OldTpl);
|
|
if (RwSingleBlkReq->Event != NULL) {
|
|
gBS->CloseEvent (RwSingleBlkReq->Event);
|
|
}
|
|
FreePool(RwSingleBlkReq);
|
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}
|
|
} else {
|
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//
|
|
// For synchronous operation, free request whatever the execution result is.
|
|
//
|
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if (RwSingleBlkReq != NULL) {
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
RemoveEntryList (&RwSingleBlkReq->Link);
|
|
gBS->RestoreTPL (OldTpl);
|
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FreePool(RwSingleBlkReq);
|
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}
|
|
}
|
|
|
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return Status;
|
|
}
|
|
|
|
/**
|
|
Read/write multiple blocks through sync or async I/O request.
|
|
|
|
@param[in] Device A pointer to the SD_DEVICE instance.
|
|
@param[in] Lba The starting logical block address to be read/written.
|
|
The caller is responsible for reading/writing to only
|
|
legitimate locations.
|
|
@param[in] Buffer A pointer to the destination/source buffer for the data.
|
|
@param[in] BufferSize Size of Buffer, must be a multiple of device block size.
|
|
@param[in] IsRead Indicates it is a read or write operation.
|
|
@param[in] Token A pointer to the token associated with the transaction.
|
|
@param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.
|
|
This parameter is only meaningful in async I/O request.
|
|
|
|
@retval EFI_SUCCESS The request is executed successfully.
|
|
@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
|
|
@retval Others The request could not be executed successfully.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
SdRwMultiBlocks (
|
|
IN SD_DEVICE *Device,
|
|
IN EFI_LBA Lba,
|
|
IN VOID *Buffer,
|
|
IN UINTN BufferSize,
|
|
IN BOOLEAN IsRead,
|
|
IN EFI_BLOCK_IO2_TOKEN *Token,
|
|
IN BOOLEAN IsEnd
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
SD_REQUEST *RwMultiBlkReq;
|
|
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
|
|
EFI_TPL OldTpl;
|
|
|
|
RwMultiBlkReq = NULL;
|
|
|
|
PassThru = Device->Private->PassThru;
|
|
|
|
RwMultiBlkReq = AllocateZeroPool(sizeof (SD_REQUEST));
|
|
if (RwMultiBlkReq == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
goto Error;
|
|
}
|
|
|
|
RwMultiBlkReq->Signature = SD_REQUEST_SIGNATURE;
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
InsertTailList (&Device->Queue, &RwMultiBlkReq->Link);
|
|
gBS->RestoreTPL (OldTpl);
|
|
RwMultiBlkReq->Packet.SdMmcCmdBlk = &RwMultiBlkReq->SdMmcCmdBlk;
|
|
RwMultiBlkReq->Packet.SdMmcStatusBlk = &RwMultiBlkReq->SdMmcStatusBlk;
|
|
//
|
|
// Calculate timeout value through the below formula.
|
|
// Timeout = (transfer size) / (2MB/s).
|
|
// Taking 2MB/s as divisor as it's the lowest transfer speed
|
|
// above class 2.
|
|
// Refer to SD Physical Layer Simplified spec section 3.4 for details.
|
|
//
|
|
RwMultiBlkReq->Packet.Timeout = (BufferSize / (2 * 1024 * 1024) + 1) * 1000 * 1000;
|
|
|
|
if (IsRead) {
|
|
RwMultiBlkReq->Packet.InDataBuffer = Buffer;
|
|
RwMultiBlkReq->Packet.InTransferLength = (UINT32)BufferSize;
|
|
|
|
RwMultiBlkReq->SdMmcCmdBlk.CommandIndex = SD_READ_MULTIPLE_BLOCK;
|
|
RwMultiBlkReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
|
|
RwMultiBlkReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
|
|
} else {
|
|
RwMultiBlkReq->Packet.OutDataBuffer = Buffer;
|
|
RwMultiBlkReq->Packet.OutTransferLength = (UINT32)BufferSize;
|
|
|
|
RwMultiBlkReq->SdMmcCmdBlk.CommandIndex = SD_WRITE_MULTIPLE_BLOCK;
|
|
RwMultiBlkReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
|
|
RwMultiBlkReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
|
|
}
|
|
|
|
if (Device->SectorAddressing) {
|
|
RwMultiBlkReq->SdMmcCmdBlk.CommandArgument = (UINT32)Lba;
|
|
} else {
|
|
RwMultiBlkReq->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (Lba, Device->BlockMedia.BlockSize);
|
|
}
|
|
|
|
RwMultiBlkReq->IsEnd = IsEnd;
|
|
RwMultiBlkReq->Token = Token;
|
|
|
|
if ((Token != NULL) && (Token->Event != NULL)) {
|
|
Status = gBS->CreateEvent (
|
|
EVT_NOTIFY_SIGNAL,
|
|
TPL_NOTIFY,
|
|
AsyncIoCallback,
|
|
RwMultiBlkReq,
|
|
&RwMultiBlkReq->Event
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
goto Error;
|
|
}
|
|
} else {
|
|
RwMultiBlkReq->Event = NULL;
|
|
}
|
|
|
|
Status = PassThru->PassThru (PassThru, Device->Slot, &RwMultiBlkReq->Packet, RwMultiBlkReq->Event);
|
|
|
|
Error:
|
|
if ((Token != NULL) && (Token->Event != NULL)) {
|
|
//
|
|
// For asynchronous operation, only free request and event in error case.
|
|
// The request and event will be freed in asynchronous callback for success case.
|
|
//
|
|
if (EFI_ERROR(Status) && (RwMultiBlkReq != NULL)) {
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
RemoveEntryList (&RwMultiBlkReq->Link);
|
|
gBS->RestoreTPL (OldTpl);
|
|
if (RwMultiBlkReq->Event != NULL) {
|
|
gBS->CloseEvent (RwMultiBlkReq->Event);
|
|
}
|
|
FreePool(RwMultiBlkReq);
|
|
}
|
|
} else {
|
|
//
|
|
// For synchronous operation, free request whatever the execution result is.
|
|
//
|
|
if (RwMultiBlkReq != NULL) {
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
RemoveEntryList (&RwMultiBlkReq->Link);
|
|
gBS->RestoreTPL (OldTpl);
|
|
FreePool(RwMultiBlkReq);
|
|
}
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
This function transfers data from/to the sd memory card device.
|
|
|
|
@param[in] Device A pointer to the SD_DEVICE instance.
|
|
@param[in] MediaId The media ID that the read/write request is for.
|
|
@param[in] Lba The starting logical block address to be read/written.
|
|
The caller is responsible for reading/writing to only
|
|
legitimate locations.
|
|
@param[in, out] Buffer A pointer to the destination/source buffer for the data.
|
|
@param[in] BufferSize Size of Buffer, must be a multiple of device block size.
|
|
@param[in] IsRead Indicates it is a read or write operation.
|
|
@param[in, out] Token A pointer to the token associated with the transaction.
|
|
|
|
@retval EFI_SUCCESS The data was read/written correctly to the device.
|
|
@retval EFI_WRITE_PROTECTED The device can not be read/written to.
|
|
@retval EFI_DEVICE_ERROR The device reported an error while performing the read/write.
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
|
@retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
|
|
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
|
|
@retval EFI_INVALID_PARAMETER The read/write request contains LBAs that are not valid,
|
|
or the buffer is not on proper alignment.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
SdReadWrite (
|
|
IN SD_DEVICE *Device,
|
|
IN UINT32 MediaId,
|
|
IN EFI_LBA Lba,
|
|
IN OUT VOID *Buffer,
|
|
IN UINTN BufferSize,
|
|
IN BOOLEAN IsRead,
|
|
IN OUT EFI_BLOCK_IO2_TOKEN *Token
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_BLOCK_IO_MEDIA *Media;
|
|
UINTN BlockSize;
|
|
UINTN BlockNum;
|
|
UINTN IoAlign;
|
|
UINTN Remaining;
|
|
UINT32 MaxBlock;
|
|
BOOLEAN LastRw;
|
|
|
|
Status = EFI_SUCCESS;
|
|
Media = &Device->BlockMedia;
|
|
LastRw = FALSE;
|
|
|
|
if (MediaId != Media->MediaId) {
|
|
return EFI_MEDIA_CHANGED;
|
|
}
|
|
|
|
if (!IsRead && Media->ReadOnly) {
|
|
return EFI_WRITE_PROTECTED;
|
|
}
|
|
|
|
//
|
|
// Check parameters.
|
|
//
|
|
if (Buffer == NULL) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (BufferSize == 0) {
|
|
if ((Token != NULL) && (Token->Event != NULL)) {
|
|
Token->TransactionStatus = EFI_SUCCESS;
|
|
gBS->SignalEvent (Token->Event);
|
|
}
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
BlockSize = Media->BlockSize;
|
|
if ((BufferSize % BlockSize) != 0) {
|
|
return EFI_BAD_BUFFER_SIZE;
|
|
}
|
|
|
|
BlockNum = BufferSize / BlockSize;
|
|
if ((Lba + BlockNum - 1) > Media->LastBlock) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
IoAlign = Media->IoAlign;
|
|
if (IoAlign > 0 && (((UINTN) Buffer & (IoAlign - 1)) != 0)) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
if ((Token != NULL) && (Token->Event != NULL)) {
|
|
Token->TransactionStatus = EFI_SUCCESS;
|
|
}
|
|
|
|
//
|
|
// Start to execute data transfer. The max block number in single cmd is 65535 blocks.
|
|
//
|
|
Remaining = BlockNum;
|
|
MaxBlock = 0xFFFF;
|
|
|
|
while (Remaining > 0) {
|
|
if (Remaining <= MaxBlock) {
|
|
BlockNum = Remaining;
|
|
LastRw = TRUE;
|
|
} else {
|
|
BlockNum = MaxBlock;
|
|
}
|
|
|
|
BufferSize = BlockNum * BlockSize;
|
|
if (BlockNum == 1) {
|
|
Status = SdRwSingleBlock (Device, Lba, Buffer, BufferSize, IsRead, Token, LastRw);
|
|
} else {
|
|
Status = SdRwMultiBlocks (Device, Lba, Buffer, BufferSize, IsRead, Token, LastRw);
|
|
}
|
|
if (EFI_ERROR(Status)) {
|
|
return Status;
|
|
}
|
|
DEBUG ((DEBUG_BLKIO, "Sd%a(): Lba 0x%x BlkNo 0x%x Event %p with %r\n",
|
|
IsRead ? "Read" : "Write", Lba, BlockNum,
|
|
(Token != NULL) ? Token->Event : NULL, Status));
|
|
Lba += BlockNum;
|
|
Buffer = (UINT8*)Buffer + BufferSize;
|
|
Remaining -= BlockNum;
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Reset the Block Device.
|
|
|
|
@param This Indicates a pointer to the calling context.
|
|
@param ExtendedVerification Driver may perform diagnostics on reset.
|
|
|
|
@retval EFI_SUCCESS The device was reset.
|
|
@retval EFI_DEVICE_ERROR The device is not functioning properly and could
|
|
not be reset.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SdReset (
|
|
IN EFI_BLOCK_IO_PROTOCOL *This,
|
|
IN BOOLEAN ExtendedVerification
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
SD_DEVICE *Device;
|
|
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
|
|
|
|
Device = SD_DEVICE_DATA_FROM_BLKIO (This);
|
|
|
|
PassThru = Device->Private->PassThru;
|
|
Status = PassThru->ResetDevice (PassThru, Device->Slot);
|
|
if (EFI_ERROR(Status)) {
|
|
Status = EFI_DEVICE_ERROR;
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Read BufferSize bytes from Lba into Buffer.
|
|
|
|
@param This Indicates a pointer to the calling context.
|
|
@param MediaId Id of the media, changes every time the media is replaced.
|
|
@param Lba The starting Logical Block Address to read from
|
|
@param BufferSize Size of Buffer, must be a multiple of device block size.
|
|
@param Buffer A pointer to the destination buffer for the data. The caller is
|
|
responsible for either having implicit or explicit ownership of the buffer.
|
|
|
|
@retval EFI_SUCCESS The data was read correctly from the device.
|
|
@retval EFI_DEVICE_ERROR The device reported an error while performing the read.
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
|
@retval EFI_MEDIA_CHANGED The MediaId does not matched the current device.
|
|
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
|
|
@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
|
|
or the buffer is not on proper alignment.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SdReadBlocks (
|
|
IN EFI_BLOCK_IO_PROTOCOL *This,
|
|
IN UINT32 MediaId,
|
|
IN EFI_LBA Lba,
|
|
IN UINTN BufferSize,
|
|
OUT VOID *Buffer
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
SD_DEVICE *Device;
|
|
|
|
Device = SD_DEVICE_DATA_FROM_BLKIO (This);
|
|
|
|
Status = SdReadWrite (Device, MediaId, Lba, Buffer, BufferSize, TRUE, NULL);
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Write BufferSize bytes from Lba into Buffer.
|
|
|
|
@param This Indicates a pointer to the calling context.
|
|
@param MediaId The media ID that the write request is for.
|
|
@param Lba The starting logical block address to be written. The caller is
|
|
responsible for writing to only legitimate locations.
|
|
@param BufferSize Size of Buffer, must be a multiple of device block size.
|
|
@param Buffer A pointer to the source buffer for the data.
|
|
|
|
@retval EFI_SUCCESS The data was written correctly to the device.
|
|
@retval EFI_WRITE_PROTECTED The device can not be written to.
|
|
@retval EFI_DEVICE_ERROR The device reported an error while performing the write.
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
|
@retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
|
|
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
|
|
@retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
|
|
or the buffer is not on proper alignment.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SdWriteBlocks (
|
|
IN EFI_BLOCK_IO_PROTOCOL *This,
|
|
IN UINT32 MediaId,
|
|
IN EFI_LBA Lba,
|
|
IN UINTN BufferSize,
|
|
IN VOID *Buffer
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
SD_DEVICE *Device;
|
|
|
|
Device = SD_DEVICE_DATA_FROM_BLKIO (This);
|
|
|
|
Status = SdReadWrite (Device, MediaId, Lba, Buffer, BufferSize, FALSE, NULL);
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Flush the Block Device.
|
|
|
|
@param This Indicates a pointer to the calling context.
|
|
|
|
@retval EFI_SUCCESS All outstanding data was written to the device
|
|
@retval EFI_DEVICE_ERROR The device reported an error while writing back the data
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SdFlushBlocks (
|
|
IN EFI_BLOCK_IO_PROTOCOL *This
|
|
)
|
|
{
|
|
//
|
|
// return directly
|
|
//
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Reset the Block Device.
|
|
|
|
@param[in] This Indicates a pointer to the calling context.
|
|
@param[in] ExtendedVerification Driver may perform diagnostics on reset.
|
|
|
|
@retval EFI_SUCCESS The device was reset.
|
|
@retval EFI_DEVICE_ERROR The device is not functioning properly and could
|
|
not be reset.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SdResetEx (
|
|
IN EFI_BLOCK_IO2_PROTOCOL *This,
|
|
IN BOOLEAN ExtendedVerification
|
|
)
|
|
{
|
|
SD_DEVICE *Device;
|
|
LIST_ENTRY *Link;
|
|
LIST_ENTRY *NextLink;
|
|
SD_REQUEST *Request;
|
|
EFI_TPL OldTpl;
|
|
|
|
Device = SD_DEVICE_DATA_FROM_BLKIO2 (This);
|
|
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
for (Link = GetFirstNode (&Device->Queue);
|
|
!IsNull (&Device->Queue, Link);
|
|
Link = NextLink) {
|
|
NextLink = GetNextNode (&Device->Queue, Link);
|
|
RemoveEntryList (Link);
|
|
|
|
Request = SD_REQUEST_FROM_LINK (Link);
|
|
|
|
gBS->CloseEvent (Request->Event);
|
|
Request->Token->TransactionStatus = EFI_ABORTED;
|
|
|
|
if (Request->IsEnd) {
|
|
gBS->SignalEvent (Request->Token->Event);
|
|
}
|
|
|
|
FreePool(Request);
|
|
}
|
|
gBS->RestoreTPL (OldTpl);
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Read BufferSize bytes from Lba into Buffer.
|
|
|
|
@param[in] This Indicates a pointer to the calling context.
|
|
@param[in] MediaId Id of the media, changes every time the media is replaced.
|
|
@param[in] Lba The starting Logical Block Address to read from.
|
|
@param[in, out] Token A pointer to the token associated with the transaction.
|
|
@param[in] BufferSize Size of Buffer, must be a multiple of device block size.
|
|
@param[out] Buffer A pointer to the destination buffer for the data. The caller is
|
|
responsible for either having implicit or explicit ownership of the buffer.
|
|
|
|
@retval EFI_SUCCESS The read request was queued if Event is not NULL.
|
|
The data was read correctly from the device if
|
|
the Event is NULL.
|
|
@retval EFI_DEVICE_ERROR The device reported an error while performing
|
|
the read.
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
|
@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
|
|
@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the
|
|
intrinsic block size of the device.
|
|
@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
|
|
or the buffer is not on proper alignment.
|
|
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack
|
|
of resources.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SdReadBlocksEx (
|
|
IN EFI_BLOCK_IO2_PROTOCOL *This,
|
|
IN UINT32 MediaId,
|
|
IN EFI_LBA Lba,
|
|
IN OUT EFI_BLOCK_IO2_TOKEN *Token,
|
|
IN UINTN BufferSize,
|
|
OUT VOID *Buffer
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
SD_DEVICE *Device;
|
|
|
|
Device = SD_DEVICE_DATA_FROM_BLKIO2 (This);
|
|
|
|
Status = SdReadWrite (Device, MediaId, Lba, Buffer, BufferSize, TRUE, Token);
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Write BufferSize bytes from Lba into Buffer.
|
|
|
|
@param[in] This Indicates a pointer to the calling context.
|
|
@param[in] MediaId The media ID that the write request is for.
|
|
@param[in] Lba The starting logical block address to be written. The
|
|
caller is responsible for writing to only legitimate
|
|
locations.
|
|
@param[in, out] Token A pointer to the token associated with the transaction.
|
|
@param[in] BufferSize Size of Buffer, must be a multiple of device block size.
|
|
@param[in] Buffer A pointer to the source buffer for the data.
|
|
|
|
@retval EFI_SUCCESS The data was written correctly to the device.
|
|
@retval EFI_WRITE_PROTECTED The device can not be written to.
|
|
@retval EFI_DEVICE_ERROR The device reported an error while performing the write.
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
|
@retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
|
|
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
|
|
@retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
|
|
or the buffer is not on proper alignment.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SdWriteBlocksEx (
|
|
IN EFI_BLOCK_IO2_PROTOCOL *This,
|
|
IN UINT32 MediaId,
|
|
IN EFI_LBA Lba,
|
|
IN OUT EFI_BLOCK_IO2_TOKEN *Token,
|
|
IN UINTN BufferSize,
|
|
IN VOID *Buffer
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
SD_DEVICE *Device;
|
|
|
|
Device = SD_DEVICE_DATA_FROM_BLKIO2 (This);
|
|
|
|
Status = SdReadWrite (Device, MediaId, Lba, Buffer, BufferSize, FALSE, Token);
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Flush the Block Device.
|
|
|
|
@param[in] This Indicates a pointer to the calling context.
|
|
@param[in, out] Token A pointer to the token associated with the transaction.
|
|
|
|
@retval EFI_SUCCESS All outstanding data was written to the device
|
|
@retval EFI_DEVICE_ERROR The device reported an error while writing back the data
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SdFlushBlocksEx (
|
|
IN EFI_BLOCK_IO2_PROTOCOL *This,
|
|
IN OUT EFI_BLOCK_IO2_TOKEN *Token
|
|
)
|
|
{
|
|
//
|
|
// Signal event and return directly.
|
|
//
|
|
if (Token != NULL && Token->Event != NULL) {
|
|
Token->TransactionStatus = EFI_SUCCESS;
|
|
gBS->SignalEvent (Token->Event);
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Set the erase start address through sync or async I/O request.
|
|
|
|
@param[in] Device A pointer to the SD_DEVICE instance.
|
|
@param[in] StartLba The starting logical block address to be erased.
|
|
@param[in] Token A pointer to the token associated with the transaction.
|
|
@param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.
|
|
This parameter is only meaningful in async I/O request.
|
|
|
|
@retval EFI_SUCCESS The request is executed successfully.
|
|
@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
|
|
@retval Others The request could not be executed successfully.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
SdEraseBlockStart (
|
|
IN SD_DEVICE *Device,
|
|
IN EFI_LBA StartLba,
|
|
IN EFI_BLOCK_IO2_TOKEN *Token,
|
|
IN BOOLEAN IsEnd
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
|
|
SD_REQUEST *EraseBlockStart;
|
|
EFI_TPL OldTpl;
|
|
|
|
EraseBlockStart = NULL;
|
|
PassThru = Device->Private->PassThru;
|
|
|
|
EraseBlockStart = AllocateZeroPool(sizeof (SD_REQUEST));
|
|
if (EraseBlockStart == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
goto Error;
|
|
}
|
|
|
|
EraseBlockStart->Signature = SD_REQUEST_SIGNATURE;
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
InsertTailList (&Device->Queue, &EraseBlockStart->Link);
|
|
gBS->RestoreTPL (OldTpl);
|
|
EraseBlockStart->Packet.SdMmcCmdBlk = &EraseBlockStart->SdMmcCmdBlk;
|
|
EraseBlockStart->Packet.SdMmcStatusBlk = &EraseBlockStart->SdMmcStatusBlk;
|
|
EraseBlockStart->Packet.Timeout = SD_GENERIC_TIMEOUT;
|
|
|
|
EraseBlockStart->SdMmcCmdBlk.CommandIndex = SD_ERASE_WR_BLK_START;
|
|
EraseBlockStart->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
|
|
EraseBlockStart->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
|
|
|
|
if (Device->SectorAddressing) {
|
|
EraseBlockStart->SdMmcCmdBlk.CommandArgument = (UINT32)StartLba;
|
|
} else {
|
|
EraseBlockStart->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (StartLba, Device->BlockMedia.BlockSize);
|
|
}
|
|
|
|
EraseBlockStart->IsEnd = IsEnd;
|
|
EraseBlockStart->Token = Token;
|
|
|
|
if ((Token != NULL) && (Token->Event != NULL)) {
|
|
Status = gBS->CreateEvent (
|
|
EVT_NOTIFY_SIGNAL,
|
|
TPL_NOTIFY,
|
|
AsyncIoCallback,
|
|
EraseBlockStart,
|
|
&EraseBlockStart->Event
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
goto Error;
|
|
}
|
|
} else {
|
|
EraseBlockStart->Event = NULL;
|
|
}
|
|
|
|
Status = PassThru->PassThru (PassThru, Device->Slot, &EraseBlockStart->Packet, EraseBlockStart->Event);
|
|
|
|
Error:
|
|
if ((Token != NULL) && (Token->Event != NULL)) {
|
|
//
|
|
// For asynchronous operation, only free request and event in error case.
|
|
// The request and event will be freed in asynchronous callback for success case.
|
|
//
|
|
if (EFI_ERROR(Status) && (EraseBlockStart != NULL)) {
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
RemoveEntryList (&EraseBlockStart->Link);
|
|
gBS->RestoreTPL (OldTpl);
|
|
if (EraseBlockStart->Event != NULL) {
|
|
gBS->CloseEvent (EraseBlockStart->Event);
|
|
}
|
|
FreePool(EraseBlockStart);
|
|
}
|
|
} else {
|
|
//
|
|
// For synchronous operation, free request whatever the execution result is.
|
|
//
|
|
if (EraseBlockStart != NULL) {
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
RemoveEntryList (&EraseBlockStart->Link);
|
|
gBS->RestoreTPL (OldTpl);
|
|
FreePool(EraseBlockStart);
|
|
}
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Set the erase end address through sync or async I/O request.
|
|
|
|
@param[in] Device A pointer to the SD_DEVICE instance.
|
|
@param[in] EndLba The ending logical block address to be erased.
|
|
@param[in] Token A pointer to the token associated with the transaction.
|
|
@param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.
|
|
This parameter is only meaningful in async I/O request.
|
|
|
|
@retval EFI_SUCCESS The request is executed successfully.
|
|
@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
|
|
@retval Others The request could not be executed successfully.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
SdEraseBlockEnd (
|
|
IN SD_DEVICE *Device,
|
|
IN EFI_LBA EndLba,
|
|
IN EFI_BLOCK_IO2_TOKEN *Token,
|
|
IN BOOLEAN IsEnd
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
|
|
SD_REQUEST *EraseBlockEnd;
|
|
EFI_TPL OldTpl;
|
|
|
|
EraseBlockEnd = NULL;
|
|
PassThru = Device->Private->PassThru;
|
|
|
|
EraseBlockEnd = AllocateZeroPool(sizeof (SD_REQUEST));
|
|
if (EraseBlockEnd == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
goto Error;
|
|
}
|
|
|
|
EraseBlockEnd->Signature = SD_REQUEST_SIGNATURE;
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
InsertTailList (&Device->Queue, &EraseBlockEnd->Link);
|
|
gBS->RestoreTPL (OldTpl);
|
|
EraseBlockEnd->Packet.SdMmcCmdBlk = &EraseBlockEnd->SdMmcCmdBlk;
|
|
EraseBlockEnd->Packet.SdMmcStatusBlk = &EraseBlockEnd->SdMmcStatusBlk;
|
|
EraseBlockEnd->Packet.Timeout = SD_GENERIC_TIMEOUT;
|
|
|
|
EraseBlockEnd->SdMmcCmdBlk.CommandIndex = SD_ERASE_WR_BLK_END;
|
|
EraseBlockEnd->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
|
|
EraseBlockEnd->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
|
|
|
|
if (Device->SectorAddressing) {
|
|
EraseBlockEnd->SdMmcCmdBlk.CommandArgument = (UINT32)EndLba;
|
|
} else {
|
|
EraseBlockEnd->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (EndLba, Device->BlockMedia.BlockSize);
|
|
}
|
|
|
|
EraseBlockEnd->IsEnd = IsEnd;
|
|
EraseBlockEnd->Token = Token;
|
|
|
|
if ((Token != NULL) && (Token->Event != NULL)) {
|
|
Status = gBS->CreateEvent (
|
|
EVT_NOTIFY_SIGNAL,
|
|
TPL_NOTIFY,
|
|
AsyncIoCallback,
|
|
EraseBlockEnd,
|
|
&EraseBlockEnd->Event
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
goto Error;
|
|
}
|
|
} else {
|
|
EraseBlockEnd->Event = NULL;
|
|
}
|
|
|
|
Status = PassThru->PassThru (PassThru, Device->Slot, &EraseBlockEnd->Packet, EraseBlockEnd->Event);
|
|
|
|
Error:
|
|
if ((Token != NULL) && (Token->Event != NULL)) {
|
|
//
|
|
// For asynchronous operation, only free request and event in error case.
|
|
// The request and event will be freed in asynchronous callback for success case.
|
|
//
|
|
if (EFI_ERROR(Status) && (EraseBlockEnd != NULL)) {
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
RemoveEntryList (&EraseBlockEnd->Link);
|
|
gBS->RestoreTPL (OldTpl);
|
|
if (EraseBlockEnd->Event != NULL) {
|
|
gBS->CloseEvent (EraseBlockEnd->Event);
|
|
}
|
|
FreePool(EraseBlockEnd);
|
|
}
|
|
} else {
|
|
//
|
|
// For synchronous operation, free request whatever the execution result is.
|
|
//
|
|
if (EraseBlockEnd != NULL) {
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
RemoveEntryList (&EraseBlockEnd->Link);
|
|
gBS->RestoreTPL (OldTpl);
|
|
FreePool(EraseBlockEnd);
|
|
}
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Erase specified blocks through sync or async I/O request.
|
|
|
|
@param[in] Device A pointer to the SD_DEVICE instance.
|
|
@param[in] Token A pointer to the token associated with the transaction.
|
|
@param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.
|
|
This parameter is only meaningful in async I/O request.
|
|
|
|
@retval EFI_SUCCESS The request is executed successfully.
|
|
@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
|
|
@retval Others The request could not be executed successfully.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
SdEraseBlock (
|
|
IN SD_DEVICE *Device,
|
|
IN EFI_BLOCK_IO2_TOKEN *Token,
|
|
IN BOOLEAN IsEnd
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
|
|
SD_REQUEST *EraseBlock;
|
|
EFI_TPL OldTpl;
|
|
|
|
EraseBlock = NULL;
|
|
PassThru = Device->Private->PassThru;
|
|
|
|
EraseBlock = AllocateZeroPool(sizeof (SD_REQUEST));
|
|
if (EraseBlock == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
goto Error;
|
|
}
|
|
|
|
EraseBlock->Signature = SD_REQUEST_SIGNATURE;
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
InsertTailList (&Device->Queue, &EraseBlock->Link);
|
|
gBS->RestoreTPL (OldTpl);
|
|
EraseBlock->Packet.SdMmcCmdBlk = &EraseBlock->SdMmcCmdBlk;
|
|
EraseBlock->Packet.SdMmcStatusBlk = &EraseBlock->SdMmcStatusBlk;
|
|
EraseBlock->Packet.Timeout = SD_GENERIC_TIMEOUT;
|
|
|
|
EraseBlock->SdMmcCmdBlk.CommandIndex = SD_ERASE;
|
|
EraseBlock->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
|
|
EraseBlock->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;
|
|
|
|
EraseBlock->IsEnd = IsEnd;
|
|
EraseBlock->Token = Token;
|
|
|
|
if ((Token != NULL) && (Token->Event != NULL)) {
|
|
Status = gBS->CreateEvent (
|
|
EVT_NOTIFY_SIGNAL,
|
|
TPL_NOTIFY,
|
|
AsyncIoCallback,
|
|
EraseBlock,
|
|
&EraseBlock->Event
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
goto Error;
|
|
}
|
|
} else {
|
|
EraseBlock->Event = NULL;
|
|
}
|
|
|
|
Status = PassThru->PassThru (PassThru, Device->Slot, &EraseBlock->Packet, EraseBlock->Event);
|
|
|
|
Error:
|
|
if ((Token != NULL) && (Token->Event != NULL)) {
|
|
//
|
|
// For asynchronous operation, only free request and event in error case.
|
|
// The request and event will be freed in asynchronous callback for success case.
|
|
//
|
|
if (EFI_ERROR(Status) && (EraseBlock != NULL)) {
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
RemoveEntryList (&EraseBlock->Link);
|
|
gBS->RestoreTPL (OldTpl);
|
|
if (EraseBlock->Event != NULL) {
|
|
gBS->CloseEvent (EraseBlock->Event);
|
|
}
|
|
FreePool(EraseBlock);
|
|
}
|
|
} else {
|
|
//
|
|
// For synchronous operation, free request whatever the execution result is.
|
|
//
|
|
if (EraseBlock != NULL) {
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
RemoveEntryList (&EraseBlock->Link);
|
|
gBS->RestoreTPL (OldTpl);
|
|
FreePool(EraseBlock);
|
|
}
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Erase a specified number of device blocks.
|
|
|
|
@param[in] This Indicates a pointer to the calling context.
|
|
@param[in] MediaId The media ID that the erase request is for.
|
|
@param[in] Lba The starting logical block address to be
|
|
erased. The caller is responsible for erasing
|
|
only legitimate locations.
|
|
@param[in, out] Token A pointer to the token associated with the
|
|
transaction.
|
|
@param[in] Size The size in bytes to be erased. This must be
|
|
a multiple of the physical block size of the
|
|
device.
|
|
|
|
@retval EFI_SUCCESS The erase request was queued if Event is not
|
|
NULL. The data was erased correctly to the
|
|
device if the Event is NULL.to the device.
|
|
@retval EFI_WRITE_PROTECTED The device cannot be erased due to write
|
|
protection.
|
|
@retval EFI_DEVICE_ERROR The device reported an error while attempting
|
|
to perform the erase operation.
|
|
@retval EFI_INVALID_PARAMETER The erase request contains LBAs that are not
|
|
valid.
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
|
@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SdEraseBlocks (
|
|
IN EFI_ERASE_BLOCK_PROTOCOL *This,
|
|
IN UINT32 MediaId,
|
|
IN EFI_LBA Lba,
|
|
IN OUT EFI_ERASE_BLOCK_TOKEN *Token,
|
|
IN UINTN Size
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_BLOCK_IO_MEDIA *Media;
|
|
UINTN BlockSize;
|
|
UINTN BlockNum;
|
|
EFI_LBA LastLba;
|
|
SD_DEVICE *Device;
|
|
|
|
Status = EFI_SUCCESS;
|
|
Device = SD_DEVICE_DATA_FROM_ERASEBLK (This);
|
|
Media = &Device->BlockMedia;
|
|
|
|
if (MediaId != Media->MediaId) {
|
|
return EFI_MEDIA_CHANGED;
|
|
}
|
|
|
|
if (Media->ReadOnly) {
|
|
return EFI_WRITE_PROTECTED;
|
|
}
|
|
|
|
//
|
|
// Check parameters.
|
|
//
|
|
BlockSize = Media->BlockSize;
|
|
if ((Size % BlockSize) != 0) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
BlockNum = Size / BlockSize;
|
|
if ((Lba + BlockNum - 1) > Media->LastBlock) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
if ((Token != NULL) && (Token->Event != NULL)) {
|
|
Token->TransactionStatus = EFI_SUCCESS;
|
|
}
|
|
|
|
LastLba = Lba + BlockNum - 1;
|
|
|
|
Status = SdEraseBlockStart (Device, Lba, (EFI_BLOCK_IO2_TOKEN*)Token, FALSE);
|
|
if (EFI_ERROR(Status)) {
|
|
return Status;
|
|
}
|
|
|
|
Status = SdEraseBlockEnd (Device, LastLba, (EFI_BLOCK_IO2_TOKEN*)Token, FALSE);
|
|
if (EFI_ERROR(Status)) {
|
|
return Status;
|
|
}
|
|
|
|
Status = SdEraseBlock (Device, (EFI_BLOCK_IO2_TOKEN*)Token, TRUE);
|
|
if (EFI_ERROR(Status)) {
|
|
return Status;
|
|
}
|
|
|
|
DEBUG ((EFI_D_ERROR, "SdEraseBlocks(): Lba 0x%x BlkNo 0x%x Event %p with %r\n", Lba, BlockNum, Token->Event, Status));
|
|
|
|
return Status;
|
|
}
|
|
|