From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-x22a.google.com (mail-pg0-x22a.google.com [IPv6:2607:f8b0:400e:c05::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 4C66B81DB6 for ; Sat, 12 Nov 2016 22:48:30 -0800 (PST) Received: by mail-pg0-x22a.google.com with SMTP id x23so34357660pgx.1 for ; Sat, 12 Nov 2016 22:48:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=L0leODDSCq++PKzSdqTXuppF218HTI3WN7JVnhb3MSs=; b=ZJ7kNf3ScPUWDQKb1n0vOc4fAzyOpJB1GWrUT/WCIzvXKrIKpfty6imh3OxqprN78D 3Rj1Z5Lz+PE8oSbBn3iJR7U8fp1AdFu0o2yn2g5tlDAvtF+OASAaJBkzxn7VoH2oz2TE X4Fomo70ipRO0sgnVpusP4cDRYefFri0azPqU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=L0leODDSCq++PKzSdqTXuppF218HTI3WN7JVnhb3MSs=; b=YYwi7RhZPTR0hFFrtu48ibJ+FLtgG2lkjknSZpROo/8ZolcvX5Jb6b/HDR/koXuhei N6nfABl1SgGdSG4lo2A5TFeR0SXNGCdwr5uPbnMUYijEb21Lpteh/7lcCsKphAQ6oI4I 3uqhpct8Esemza5tSFddz0Q3TN5pba/MM5sY4Piw9SEg1F7R64CKlyuNSk4l9UW5cZnW BO1H0wDwDN33Kv4Je6HHQi8Au2qLMi/xeSpvvzT6oIem/bxELRe6dYPQxoi2EvuXl+6o 9gGRKLsHRcqYGng2FWHZrgejQyhKL+rfTt9mrrW7+GFLo/rzIuCYqfiJK4qt8E8LGRhd 4e2w== X-Gm-Message-State: ABUngvdbx050+69YPzRZ/9feWidm+UJi/u0xjet4t1dtg3A8gglLmhm+nCLOXmh2DlCVlbqP X-Received: by 10.98.61.21 with SMTP id k21mr23430692pfa.118.1479019714300; Sat, 12 Nov 2016 22:48:34 -0800 (PST) Received: from localhost.localdomain ([45.56.159.75]) by smtp.gmail.com with ESMTPSA id a66sm26198365pfa.64.2016.11.12.22.48.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 12 Nov 2016 22:48:33 -0800 (PST) From: Haojian Zhuang To: ryan.harkin@linaro.org, edk2-devel@lists.01.org, leif.lindholm@linaro.org, ard.biesheuvel@linaro.org Cc: Haojian Zhuang Date: Sun, 13 Nov 2016 14:47:57 +0800 Message-Id: <1479019678-12621-9-git-send-email-haojian.zhuang@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1479019678-12621-1-git-send-email-haojian.zhuang@linaro.org> References: <1479019678-12621-1-git-send-email-haojian.zhuang@linaro.org> Subject: [PATCH v5 8/9] MmcDxe: expand to support multiple blocks X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 13 Nov 2016 06:48:30 -0000 Make use of DMA to transfer multiple blocks at one time. It could improve the performance on MMC/SD driver. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Haojian Zhuang Tested-by: Ryan Harkin --- EmbeddedPkg/Include/Protocol/MmcHost.h | 6 + EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c | 177 ++++++++++++++++++++---------- 2 files changed, 123 insertions(+), 60 deletions(-) diff --git a/EmbeddedPkg/Include/Protocol/MmcHost.h b/EmbeddedPkg/Include/Protocol/MmcHost.h index 5028045..cd5335a 100644 --- a/EmbeddedPkg/Include/Protocol/MmcHost.h +++ b/EmbeddedPkg/Include/Protocol/MmcHost.h @@ -62,6 +62,7 @@ typedef UINT32 MMC_CMD; #define MMC_CMD20 (MMC_INDX(20) | MMC_CMD_WAIT_RESPONSE) #define MMC_CMD23 (MMC_INDX(23) | MMC_CMD_WAIT_RESPONSE) #define MMC_CMD24 (MMC_INDX(24) | MMC_CMD_WAIT_RESPONSE) +#define MMC_CMD25 (MMC_INDX(25) | MMC_CMD_WAIT_RESPONSE) #define MMC_CMD55 (MMC_INDX(55) | MMC_CMD_WAIT_RESPONSE) #define MMC_ACMD41 (MMC_INDX(41) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_NO_CRC_RESPONSE) #define MMC_ACMD51 (MMC_INDX(51) | MMC_CMD_WAIT_RESPONSE) @@ -152,6 +153,10 @@ typedef EFI_STATUS (EFIAPI *MMC_SETIOS) ( IN UINT32 TimingMode ); +typedef BOOLEAN (EFIAPI *MMC_ISMULTIBLOCK) ( + IN EFI_MMC_HOST_PROTOCOL *This + ); + struct _EFI_MMC_HOST_PROTOCOL { @@ -169,6 +174,7 @@ struct _EFI_MMC_HOST_PROTOCOL { MMC_WRITEBLOCKDATA WriteBlockData; MMC_SETIOS SetIos; + MMC_ISMULTIBLOCK IsMultiBlock; }; diff --git a/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c b/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c index 0e1ef57..1fcb3b5 100644 --- a/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c +++ b/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c @@ -126,6 +126,95 @@ MmcStopTransmission ( #define MMCI0_BLOCKLEN 512 #define MMCI0_TIMEOUT 10000 +STATIC EFI_STATUS +MmcTransferBlock ( + IN EFI_BLOCK_IO_PROTOCOL *This, + IN UINTN Cmd, + IN UINTN Transfer, + IN UINT32 MediaId, + IN EFI_LBA Lba, + IN UINTN BufferSize, + OUT VOID *Buffer + ) +{ + EFI_STATUS Status; + UINTN CmdArg; + INTN Timeout; + UINT32 Response[4]; + MMC_HOST_INSTANCE *MmcHostInstance; + EFI_MMC_HOST_PROTOCOL *MmcHost; + + MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This); + MmcHost = MmcHostInstance->MmcHost; + + //Set command argument based on the card access mode (Byte mode or Block mode) + if (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1) { + CmdArg = Lba; + } else { + CmdArg = Lba * This->Media->BlockSize; + } + + Status = MmcHost->SendCommand (MmcHost, Cmd, CmdArg); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "%a(MMC_CMD%d): Error %r\n", __func__, Cmd, Status)); + return Status; + } + + if (Transfer == MMC_IOBLOCKS_READ) { + // Read Data + Status = MmcHost->ReadBlockData (MmcHost, Lba, BufferSize, Buffer); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_BLKIO, "%a(): Error Read Block Data and Status = %r\n", __func__, Status)); + MmcStopTransmission (MmcHost); + return Status; + } + Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "%a() : Error MmcProgrammingState\n", __func__)); + return Status; + } + } else { + // Write Data + Status = MmcHost->WriteBlockData (MmcHost, Lba, BufferSize, Buffer); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_BLKIO, "%a(): Error Write Block Data and Status = %r\n", __func__, Status)); + MmcStopTransmission (MmcHost); + return Status; + } + } + + // Command 13 - Read status and wait for programming to complete (return to tran) + Timeout = MMCI0_TIMEOUT; + CmdArg = MmcHostInstance->CardInfo.RCA << 16; + Response[0] = 0; + while(!(Response[0] & MMC_R0_READY_FOR_DATA) + && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN) + && Timeout--) { + Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg); + if (!EFI_ERROR (Status)) { + MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response); + if (Response[0] & MMC_R0_READY_FOR_DATA) { + break; // Prevents delay once finished + } + } + gBS->Stall (1); + } + + if (BufferSize > This->Media->BlockSize) { + Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_BLKIO, "%a(): Error and Status:%r\n", __func__, Status)); + } + } + + Status = MmcNotifyState (MmcHostInstance, MmcTransferState); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "MmcIoBlocks() : Error MmcTransferState\n")); + return Status; + } + return Status; +} + EFI_STATUS MmcIoBlocks ( IN EFI_BLOCK_IO_PROTOCOL *This, @@ -145,6 +234,7 @@ MmcIoBlocks ( EFI_MMC_HOST_PROTOCOL *MmcHost; UINTN BytesRemainingToBeTransfered; UINTN BlockCount; + UINTN ConsumeSize; BlockCount = 1; MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This); @@ -165,6 +255,10 @@ MmcIoBlocks ( return EFI_NO_MEDIA; } + if (MmcHost->IsMultiBlock && MmcHost->IsMultiBlock(MmcHost)) { + BlockCount = (BufferSize + This->Media->BlockSize - 1) / This->Media->BlockSize; + } + // All blocks must be within the device if ((Lba + (BufferSize / This->Media->BlockSize)) > (This->Media->LastBlock + 1)) { return EFI_INVALID_PARAMETER; @@ -196,7 +290,7 @@ MmcIoBlocks ( CmdArg = MmcHostInstance->CardInfo.RCA << 16; Response[0] = 0; Timeout = 20; - while( (!(Response[0] & MMC_R0_READY_FOR_DATA)) + while(!(Response[0] & MMC_R0_READY_FOR_DATA) && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN) && Timeout--) { Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg); @@ -210,75 +304,38 @@ MmcIoBlocks ( return EFI_NOT_READY; } - //Set command argument based on the card access mode (Byte mode or Block mode) - if (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1) { - CmdArg = Lba; - } else { - CmdArg = Lba * This->Media->BlockSize; - } - if (Transfer == MMC_IOBLOCKS_READ) { - // Read a single block - Cmd = MMC_CMD17; - } else { - // Write a single block - Cmd = MMC_CMD24; - } - Status = MmcHost->SendCommand (MmcHost, Cmd, CmdArg); - if (EFI_ERROR (Status)) { - DEBUG ((EFI_D_ERROR, "MmcIoBlocks(MMC_CMD%d): Error %r\n", Cmd, Status)); - return Status; - } - - if (Transfer == MMC_IOBLOCKS_READ) { - // Read one block of Data - Status = MmcHost->ReadBlockData (MmcHost, Lba, This->Media->BlockSize, Buffer); - if (EFI_ERROR (Status)) { - DEBUG ((EFI_D_BLKIO, "MmcIoBlocks(): Error Read Block Data and Status = %r\n", Status)); - MmcStopTransmission (MmcHost); - return Status; - } - Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState); - if (EFI_ERROR (Status)) { - DEBUG ((EFI_D_ERROR, "MmcIoBlocks() : Error MmcProgrammingState\n")); - return Status; + if (BlockCount == 1) { + // Read a single block + Cmd = MMC_CMD17; + } else { + // Read multiple blocks + Cmd = MMC_CMD18; } } else { - // Write one block of Data - Status = MmcHost->WriteBlockData (MmcHost, Lba, This->Media->BlockSize, Buffer); - if (EFI_ERROR (Status)) { - DEBUG ((EFI_D_BLKIO, "MmcIoBlocks(): Error Write Block Data and Status = %r\n", Status)); - MmcStopTransmission (MmcHost); - return Status; + if (BlockCount == 1) { + // Write a single block + Cmd = MMC_CMD24; + } else { + // Write multiple blocks + Cmd = MMC_CMD25; } } - // Command 13 - Read status and wait for programming to complete (return to tran) - Timeout = MMCI0_TIMEOUT; - CmdArg = MmcHostInstance->CardInfo.RCA << 16; - Response[0] = 0; - while( (!(Response[0] & MMC_R0_READY_FOR_DATA)) - && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN) - && Timeout--) { - Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg); - if (!EFI_ERROR (Status)) { - MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response); - if ((Response[0] & MMC_R0_READY_FOR_DATA)) { - break; // Prevents delay once finished - } - } - gBS->Stall (1); + ConsumeSize = BlockCount * This->Media->BlockSize; + if (BytesRemainingToBeTransfered < ConsumeSize) { + ConsumeSize = BytesRemainingToBeTransfered; } - - Status = MmcNotifyState (MmcHostInstance, MmcTransferState); + Status = MmcTransferBlock (This, Cmd, Transfer, MediaId, Lba, ConsumeSize, Buffer); if (EFI_ERROR (Status)) { - DEBUG ((EFI_D_ERROR, "MmcIoBlocks() : Error MmcTransferState\n")); - return Status; + DEBUG ((EFI_D_ERROR, "%a(): Failed to transfer block and Status:%r\n", __func__, Status)); } - BytesRemainingToBeTransfered -= This->Media->BlockSize; - Lba += BlockCount; - Buffer = (UINT8 *)Buffer + This->Media->BlockSize; + BytesRemainingToBeTransfered -= ConsumeSize; + if (BytesRemainingToBeTransfered > 0) { + Lba += BlockCount; + Buffer = (UINT8 *)Buffer + ConsumeSize; + } } return EFI_SUCCESS; -- 2.7.4