UfsDevConfigProtocol.c

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#include "UfsPassThru.h"
 
EFI_STATUS
EFIAPI
UfsRwUfsDescriptor (
  IN EFI_UFS_DEVICE_CONFIG_PROTOCOL  *This,
  IN BOOLEAN                         Read,
  IN UINT8                           DescId,
  IN UINT8                           Index,
  IN UINT8                           Selector,
  IN OUT UINT8                       *Descriptor,
  IN OUT UINT32                      *DescSize
  )
{
  EFI_STATUS                  Status;
  UFS_PASS_THRU_PRIVATE_DATA  *Private;
 
  Private = UFS_PASS_THRU_PRIVATE_DATA_FROM_DEV_CONFIG (This);
 
  if ((This == NULL) || (Descriptor == NULL) || (DescSize == NULL)) {
    return EFI_INVALID_PARAMETER;
  }
 
  Status = UfsRwDeviceDesc (
             Private,
             Read,
             DescId,
             Index,
             Selector,
             Descriptor,
             DescSize
             );
  if (Status == EFI_TIMEOUT) {
    Status = EFI_DEVICE_ERROR;
  }
 
  return Status;
}
 
EFI_STATUS
EFIAPI
UfsRwUfsFlag (
  IN EFI_UFS_DEVICE_CONFIG_PROTOCOL  *This,
  IN BOOLEAN                         Read,
  IN UINT8                           FlagId,
  IN OUT UINT8                       *Flag
  )
{
  EFI_STATUS                  Status;
  UFS_PASS_THRU_PRIVATE_DATA  *Private;
 
  Private = UFS_PASS_THRU_PRIVATE_DATA_FROM_DEV_CONFIG (This);
 
  if ((This == NULL) || (Flag == NULL)) {
    return EFI_INVALID_PARAMETER;
  }
 
  Status = UfsRwFlags (Private, Read, FlagId, Flag);
  if (Status == EFI_TIMEOUT) {
    Status = EFI_DEVICE_ERROR;
  }
 
  return Status;
}
 
EFI_STATUS
EFIAPI
UfsRwUfsAttribute (
  IN EFI_UFS_DEVICE_CONFIG_PROTOCOL  *This,
  IN BOOLEAN                         Read,
  IN UINT8                           AttrId,
  IN UINT8                           Index,
  IN UINT8                           Selector,
  IN OUT UINT8                       *Attribute,
  IN OUT UINT32                      *AttrSize
  )
{
  EFI_STATUS                  Status;
  UFS_PASS_THRU_PRIVATE_DATA  *Private;
  UINT32                      Attribute32;
 
  Private     = UFS_PASS_THRU_PRIVATE_DATA_FROM_DEV_CONFIG (This);
  Attribute32 = 0;
 
  if ((This == NULL) || (Attribute == NULL) || (AttrSize == NULL)) {
    return EFI_INVALID_PARAMETER;
  }
 
  //
  // According to UFS Version 2.1 Spec (JESD220C) Section 14.3, the size of a attribute will not
  // exceed 32-bit.
  //
  if (*AttrSize > 4) {
    return EFI_INVALID_PARAMETER;
  }
 
  if (!Read) {
    CopyMem (&Attribute32, Attribute, *AttrSize);
  }
 
  Status = UfsRwAttributes (
             Private,
             Read,
             AttrId,
             Index,
             Selector,
             &Attribute32
             );
  if (!EFI_ERROR (Status)) {
    if (Read) {
      CopyMem (Attribute, &Attribute32, *AttrSize);
    }
  } else {
    *AttrSize = 0;
    if (Status == EFI_TIMEOUT) {
      Status = EFI_DEVICE_ERROR;
    }
  }
 
  return Status;
}