public inbox for devel@edk2.groups.io
 help / color / mirror / Atom feed
From: Leif Lindholm <leif.lindholm@linaro.org>
To: Jeremy Linton <jeremy.linton@arm.com>
Cc: edk2-devel@lists.01.org, ryan.harkin@linaro.org,
	linaro-uefi@lists.linaro.org, ard.biesheuvel@linaro.org
Subject: Re: [PATCH v4 5/6] EmbeddedPkg: SiI3132: Cleanup device node creation
Date: Fri, 17 Mar 2017 16:37:18 +0000	[thread overview]
Message-ID: <20170317163718.GI16034@bivouac.eciton.net> (raw)
In-Reply-To: <20170307221512.5180-6-jeremy.linton@arm.com>

On Tue, Mar 07, 2017 at 04:15:10PM -0600, Jeremy Linton wrote:
> There can be either ATA or ATAPI devices connected to
> each SATA port. We want to detect if the device is ATA
> and create a SATA_DP path or a SCSI_DP for ATAPI devices.
> 
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
> ---
>  .../Drivers/SataSiI3132Dxe/SiI3132AtaPassThru.c    | 69 +++++++++++++---------
>  1 file changed, 41 insertions(+), 28 deletions(-)
> 
> diff --git a/EmbeddedPkg/Drivers/SataSiI3132Dxe/SiI3132AtaPassThru.c b/EmbeddedPkg/Drivers/SataSiI3132Dxe/SiI3132AtaPassThru.c
> index 601583d..ce33438 100644
> --- a/EmbeddedPkg/Drivers/SataSiI3132Dxe/SiI3132AtaPassThru.c
> +++ b/EmbeddedPkg/Drivers/SataSiI3132Dxe/SiI3132AtaPassThru.c
> @@ -1,6 +1,6 @@
>  /** @file
>  *
> -*  Copyright (c) 2011-2015, ARM Limited. All rights reserved.
> +*  Copyright (c) 2011-2017, ARM Limited. All rights reserved.
>  *
>  *  This program and the accompanying materials
>  *  are licensed and made available under the terms and conditions of the BSD License
> @@ -61,7 +61,7 @@ SiI3231DeviceReady (
>    } while (Timeout && !(Value32 & SII3132_PORT_STATUS_PORTREADY));
>    if (Timeout == 0) {
>      DEBUG ((DEBUG_WARN, "SiI3132AtaPassThru() Device not ready, try anyway\n"));
> -    //Consider doing a device reset here.
> +    // Consider doing a device reset here.

Whitespace-only change.

>    }
>  
>    return Timeout;
> @@ -76,7 +76,8 @@ SiI3132IssueCommand (
>    )
>  {
>    UINT32       IrqMask;
> -  UINT32       Value32, Error;
> +  UINT32       Value32;
> +  UINT32       Error;

Style-only change.

>    UINTN        EmptySlot;
>    EFI_STATUS   Status;
>  
> @@ -89,15 +90,15 @@ SiI3132IssueCommand (
>    if (!FeaturePcdGet (PcdSataSiI3132FeatureDirectCommandIssuing)) {
>      // Indirect Command Issuance
>  
> -    //TODO: Find which slot is free (maybe use the Cmd FIFO)
> -    //SATA_PORT_READ32 (SataPort->RegBase + SII3132_PORT_CMDEXECFIFO_REG, &EmptySlot);
> +    // TODO: Find which slot is free (maybe use the Cmd FIFO)
> +    // SATA_PORT_READ32 (SataPort->RegBase + SII3132_PORT_CMDEXECFIFO_REG, &EmptySlot);

Whitespace-only changes.

>      SATA_PORT_WRITE32 (SataPort->RegBase + SII3132_PORT_CMDACTIV_REG + (EmptySlot * 8),
>                       (UINT32)(SataPort->PhysAddrHostPRB & 0xFFFFFFFF));
>      SATA_PORT_WRITE32 (SataPort->RegBase + SII3132_PORT_CMDACTIV_REG + (EmptySlot * 8) + 4,
>                       (UINT32)((SataPort->PhysAddrHostPRB >> 32) & 0xFFFFFFFF));
>    } else {
>      // Direct Command Issuance
> -    DEBUG ((DEBUG_ERROR ,"SiI3132AtaPassThru() Untested path\n"));
> +    DEBUG ((DEBUG_ERROR, "SiI3132AtaPassThru() Untested path\n"));

Whitespace-only change.

>      Status = PciIo->Mem.Write (PciIo, EfiPciIoWidthUint32, 1, // Bar 1
>          SataPort->RegBase + (EmptySlot * 0x80),
>          sizeof (SATA_SI3132_PRB) / 4,
> @@ -128,7 +129,7 @@ SiI3132IssueCommand (
>      StatusBlock);
>  
>    if (EFI_ERROR (Status)) {
> -    DEBUG ((DEBUG_ERROR, "SiI3132AtaPassThru() status (%d) block %X %X\n",Status, SataPort->RegBase, StatusBlock));
> +    DEBUG ((DEBUG_ERROR, "SiI3132AtaPassThru() status (%d) block %X %X\n", Status, SataPort->RegBase, StatusBlock));

Whitespace-only change.

>    }
>  
>    if (Timeout == 0) {
> @@ -146,7 +147,7 @@ SiI3132IssueCommand (
>      SATA_PORT_WRITE32 (SataPort->RegBase + SII3132_PORT_INTSTATUS_REG, Value32 & 0xFF00); //clear error bits
>  
>      DEBUG ((DEBUG_INFO, "SiI3132AtaPassThru() CmdErr:0x%X (SiI3132 Err:0x%X) (STATUS: %X ERROR:%X) SERROR=%X\n",
> -            Value32, Error, SataPort->HostPRB->Fis.Command,SataPort->HostPRB->Fis.Features, Serror));
> +            Value32, Error, SataPort->HostPRB->Fis.Command, SataPort->HostPRB->Fis.Features, Serror));

Whitespace-only change.

>  
>      // clear port status
>      SATA_PORT_WRITE32 (SataPort->RegBase + SII3132_PORT_CONTROLSET_REG, SII3132_PORT_CONTROL_INT);
> @@ -182,6 +183,7 @@ SiI3132AtaPassThruCommand (
>    EFI_STATUS              Status;
>    VOID*                   PciAllocMapping = NULL;
>    EFI_PCI_IO_PROTOCOL     *PciIo;
> +  ATA_IDENTIFY_DATA       *IdentifyData;
>  
>    PciIo = SataSiI3132Instance->PciIo;
>    ZeroMem (SataPort->HostPRB, sizeof (SATA_SI3132_PRB));
> @@ -311,7 +313,7 @@ SiI3132AtaPassThruCommand (
>    {
>      // If the command was ATA_CMD_IDENTIFY_DRIVE then we need to update the BlockSize
>      if (Packet->Acb->AtaCommand == ATA_CMD_IDENTIFY_DRIVE) {
> -      ATA_IDENTIFY_DATA *IdentifyData = (ATA_IDENTIFY_DATA*)Packet->InDataBuffer;
> +      IdentifyData = (ATA_IDENTIFY_DATA*)Packet->InDataBuffer;
>  
>        // Get the corresponding Block Device
>        SataDevice = GetSataDevice (SataSiI3132Instance, SataPort->Index, PortMultiplierPort);
> @@ -446,9 +448,9 @@ SiI3132GetNextPort (
>      *Port = 0;
>    } else {
>      if (PrevPort < SATA_SII3132_MAXPORT) {
> -        *Port = PrevPort + 1;
> +      *Port = PrevPort + 1;
>      } else {
> -        Status = EFI_NOT_FOUND;
> +      Status = EFI_NOT_FOUND;

Whitespace-only changes.

>      }
>    }
>    return Status;
> @@ -521,16 +523,19 @@ SiI3132GetNextDevice (
>    SataPort = &(SataSiI3132Instance->Ports[Port]);
>  
>    if (*PortMultiplierPort == 0xFFFF) {
> +    SATA_TRACE ("SiI3132GetNextDevice() PortMultiplier");
>      List = SataPort->Devices.ForwardLink;
> -    if (List != &SataPort->Devices) {
> +    if ((List != &SataPort->Devices) &&
> +        (((SATA_SI3132_DEVICE*)List)->Atapi == FALSE)) {
>        // The list is not empty, return the first device
>        *PortMultiplierPort = ((SATA_SI3132_DEVICE*)List)->Index;
>      } else {
>        Status = EFI_NOT_FOUND;
>      }
>    } else {
> +    SATA_TRACE ("SiI3132GetNextDevice()");
>      SataDevice = GetSataDevice (SataSiI3132Instance, Port, *PortMultiplierPort);
> -    if (SataDevice != NULL) {
> +    if ((SataDevice != NULL) && (SataDevice->Atapi == FALSE)) {
>        // We have found the previous port multiplier, return the next one
>        List = SataDevice->Link.ForwardLink;
>        if (List != &SataPort->Devices) {
> @@ -589,8 +594,6 @@ SiI3132BuildDevicePath (
>    SATA_SI3132_DEVICE          *SataDevice;
>    EFI_DEVICE_PATH_PROTOCOL    *SiI3132DevicePath;
>  
> -  SATA_TRACE ("SiI3132BuildDevicePath()");
> -
>    SataSiI3132Instance = INSTANCE_FROM_ATAPASSTHRU_THIS (This);
>    if (!SataSiI3132Instance) {
>      return EFI_INVALID_PARAMETER;
> @@ -601,20 +604,30 @@ SiI3132BuildDevicePath (
>      return EFI_NOT_FOUND;
>    }
>  
> -  SiI3132DevicePath = CreateDeviceNode (MESSAGING_DEVICE_PATH, MSG_SATA_DP, sizeof (SATA_DEVICE_PATH));
> -  if (SiI3132DevicePath == NULL) {
> -    return EFI_OUT_OF_RESOURCES;
> -  }
> +  if (SataDevice->Atapi) {
> +    DEBUG ((DEBUG_INFO, "SiI3132BuildDevicePath() Atapi %d:%d\n", Port, PortMultiplierPort));
> +    SiI3132DevicePath = CreateDeviceNode (MESSAGING_DEVICE_PATH, MSG_SCSI_DP, sizeof (SCSI_DEVICE_PATH));
> +    if (SiI3132DevicePath == NULL) {
> +      return EFI_OUT_OF_RESOURCES;
> +    }
> +    ((SCSI_DEVICE_PATH*)SiI3132DevicePath)->Pun = Port;
> +    ((SCSI_DEVICE_PATH*)SiI3132DevicePath)->Lun = 0;
>  
> -  ((SATA_DEVICE_PATH*)SiI3132DevicePath)->HBAPortNumber = Port;
> -  if (FeaturePcdGet (PcdSataSiI3132FeaturePMPSupport)) {
> -    ((SATA_DEVICE_PATH*)SiI3132DevicePath)->PortMultiplierPortNumber = PortMultiplierPort;
>    } else {
> -    //Temp:((SATA_DEVICE_PATH*)SiI3132DevicePath)->PortMultiplierPortNumber = SATA_HBA_DIRECT_CONNECT_FLAG;
> -    ((SATA_DEVICE_PATH*)SiI3132DevicePath)->PortMultiplierPortNumber = 0;
> -  }
> -  ((SATA_DEVICE_PATH*)SiI3132DevicePath)->Lun = Port; //TODO: Search information how to define properly LUN (Logical Unit Number)
> +    DEBUG ((DEBUG_VERBOSE, "SiI3132BuildDevicePath() ATA %d:%d\n", Port, PortMultiplierPort));
> +    SiI3132DevicePath = CreateDeviceNode (MESSAGING_DEVICE_PATH, MSG_SATA_DP, sizeof (SATA_DEVICE_PATH));
> +    if (SiI3132DevicePath == NULL) {
> +      return EFI_OUT_OF_RESOURCES;
> +    }
>  
> +    ((SATA_DEVICE_PATH*)SiI3132DevicePath)->HBAPortNumber = Port;
> +    if (FeaturePcdGet (PcdSataSiI3132FeaturePMPSupport)) {
> +      ((SATA_DEVICE_PATH*)SiI3132DevicePath)->PortMultiplierPortNumber = PortMultiplierPort;
> +    } else {
> +      ((SATA_DEVICE_PATH*)SiI3132DevicePath)->PortMultiplierPortNumber = 0;
> +    }
> +    ((SATA_DEVICE_PATH*)SiI3132DevicePath)->Lun = 0; // Only support lun0 on ATA
> +  }
>    *DevicePath = SiI3132DevicePath;
>    return EFI_SUCCESS;
>  }
> @@ -680,7 +693,7 @@ SiI3132GetDevice (
>      return EFI_INVALID_PARAMETER;
>    }
>  
> -  if (((SATA_DEVICE_PATH*)DevicePath)->Lun >= SATA_SII3132_MAXPORT) {
> +  if (((SATA_DEVICE_PATH*)DevicePath)->HBAPortNumber >= SATA_SII3132_MAXPORT) {
>      return EFI_NOT_FOUND;
>    }
>  
> @@ -688,7 +701,7 @@ SiI3132GetDevice (
>      ASSERT (0); //TODO: Implement me!
>      return EFI_UNSUPPORTED;
>    } else {
> -    *Port = ((SATA_DEVICE_PATH*)DevicePath)->Lun;
> +    *Port = ((SATA_DEVICE_PATH*)DevicePath)->HBAPortNumber;
>      // Return the first Sata Sevice as there should be only one directly connected
>      *PortMultiplierPort = ((SATA_SI3132_DEVICE*)SataSiI3132Instance->Ports[*Port].Devices.ForwardLink)->Index;
>      return EFI_SUCCESS;
> -- 
> 2.9.3
> 


  reply	other threads:[~2017-03-17 16:37 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-07 22:15 [PATCH v4 0/6] ATAPI support on SiI SATA adapter Jeremy Linton
2017-03-07 22:15 ` [PATCH v4 1/6] EmbeddedPkg: SiI3132: Note that ARM is using this Dxe Jeremy Linton
2017-03-16 13:34   ` Leif Lindholm
2017-03-07 22:15 ` [PATCH v4 2/6] EmbeddedPkg: SiI3132: Add ScsiProtocol callbacks Jeremy Linton
2017-03-16 14:09   ` Leif Lindholm
2017-03-07 22:15 ` [PATCH v4 3/6] EmbeddedPkg: SiI3132: Add SCSI protocol support to header Jeremy Linton
2017-03-16 14:19   ` Leif Lindholm
2017-03-07 22:15 ` [PATCH v4 4/6] EmbeddedPkg: SiI3132: Break out FIS command submission Jeremy Linton
2017-03-17 16:31   ` Leif Lindholm
2017-03-07 22:15 ` [PATCH v4 5/6] EmbeddedPkg: SiI3132: Cleanup device node creation Jeremy Linton
2017-03-17 16:37   ` Leif Lindholm [this message]
2017-03-07 22:15 ` [PATCH v4 6/6] EmbeddedPkg: SiI3132: Enable SCSI pass-through protocol Jeremy Linton
2017-03-17 16:40   ` Leif Lindholm
2017-03-07 22:15 ` [PATCH] Platforms/ARM/Juno: Add " Jeremy Linton

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-list from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170317163718.GI16034@bivouac.eciton.net \
    --to=devel@edk2.groups.io \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox