MdeModulePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / MdeModulePkg / Bus / Ata / AtaAtapiPassThru / AtaAtapiPassThru.c

diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
index 795443ef74f63cbf18d53e0d5559402e2da03d17..e5b8f40d03b385624117fc9f477c5711b633731f 100644 (file)
--- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
+++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
@@ -2,14 +2,8 @@
   This file implements ATA_PASSTHRU_PROCTOCOL and EXT_SCSI_PASSTHRU_PROTOCOL interfaces\r
   for managed ATA controllers.\r
 \r
-  Copyright (c) 2010 - 2016, Intel Corporation. All rights reserved.<BR>\r
-  This program and the accompanying materials\r
-  are licensed and made available under the terms and conditions of the BSD License\r
-  which accompanies this distribution.  The full text of the license may be found at\r
-  http://opensource.org/licenses/bsd-license.php\r
-\r
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+  Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>\r
+  SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 **/\r
 \r
@@ -94,6 +88,7 @@ ATA_ATAPI_PASS_THRU_INSTANCE gAtaAtapiPassThruInstanceTemplate = {
     NULL,\r
     NULL\r
   },\r
+  0,                  // EnabledPciAttributes\r
   0,                  // OriginalAttributes\r
   0,                  // PreviousPort\r
   0,                  // PreviousPortMultiplier\r
@@ -141,6 +136,15 @@ UINT8 mScsiId[TARGET_MAX_BYTES] = {
   0xFF, 0xFF, 0xFF, 0xFF\r
 };\r
 \r
+EDKII_ATA_ATAPI_POLICY_PROTOCOL *mAtaAtapiPolicy;\r
+EDKII_ATA_ATAPI_POLICY_PROTOCOL mDefaultAtaAtapiPolicy = {\r
+  EDKII_ATA_ATAPI_POLICY_VERSION,\r
+  2,  // PuisEnable\r
+  0,  // DeviceSleepEnable\r
+  0,  // AggressiveDeviceSleepEnable\r
+  0   // Reserved\r
+};\r
+\r
 /**\r
   Sends an ATA command to an ATA device that is attached to the ATA controller. This function\r
   supports both blocking I/O and non-blocking I/O. The blocking I/O functionality is required,\r
@@ -670,7 +674,7 @@ AtaAtapiPassThruStart (
   EFI_IDE_CONTROLLER_INIT_PROTOCOL  *IdeControllerInit;\r
   ATA_ATAPI_PASS_THRU_INSTANCE      *Instance;\r
   EFI_PCI_IO_PROTOCOL               *PciIo;\r
-  UINT64                            Supports;\r
+  UINT64                            EnabledPciAttributes;\r
   UINT64                            OriginalPciAttributes;\r
 \r
   Status                = EFI_SUCCESS;\r
@@ -722,14 +726,14 @@ AtaAtapiPassThruStart (
                     PciIo,\r
                     EfiPciIoAttributeOperationSupported,\r
                     0,\r
-                    &Supports\r
+                    &EnabledPciAttributes\r
                     );\r
   if (!EFI_ERROR (Status)) {\r
-    Supports &= (UINT64)EFI_PCI_DEVICE_ENABLE;\r
+    EnabledPciAttributes &= (UINT64)EFI_PCI_DEVICE_ENABLE;\r
     Status = PciIo->Attributes (\r
                       PciIo,\r
                       EfiPciIoAttributeOperationEnable,\r
-                      Supports,\r
+                      EnabledPciAttributes,\r
                       NULL\r
                       );\r
   }\r
@@ -738,6 +742,14 @@ AtaAtapiPassThruStart (
     goto ErrorExit;\r
   }\r
 \r
+  Status = gBS->LocateProtocol (&gEdkiiAtaAtapiPolicyProtocolGuid, NULL, (VOID **)&mAtaAtapiPolicy);\r
+  if (EFI_ERROR (Status)) {\r
+    //\r
+    // If there is no AtaAtapiPolicy exposed, use the default policy.\r
+    //\r
+    mAtaAtapiPolicy = &mDefaultAtaAtapiPolicy;\r
+  }\r
+\r
   //\r
   // Allocate a buffer to store the ATA_ATAPI_PASS_THRU_INSTANCE data structure\r
   //\r
@@ -749,6 +761,7 @@ AtaAtapiPassThruStart (
   Instance->ControllerHandle      = Controller;\r
   Instance->IdeControllerInit     = IdeControllerInit;\r
   Instance->PciIo                 = PciIo;\r
+  Instance->EnabledPciAttributes  = EnabledPciAttributes;\r
   Instance->OriginalPciAttributes = OriginalPciAttributes;\r
   Instance->AtaPassThru.Mode      = &Instance->AtaPassThruMode;\r
   Instance->ExtScsiPassThru.Mode  = &Instance->ExtScsiPassThruMode;\r
@@ -808,12 +821,11 @@ ErrorExit:
     gBS->CloseEvent (Instance->TimerEvent);\r
   }\r
 \r
-  //\r
-  // Remove all inserted ATA devices.\r
-  //\r
-  DestroyDeviceInfoList(Instance);\r
-\r
   if (Instance != NULL) {\r
+    //\r
+    // Remove all inserted ATA devices.\r
+    //\r
+    DestroyDeviceInfoList (Instance);\r
     FreePool (Instance);\r
   }\r
   return EFI_UNSUPPORTED;\r
@@ -859,7 +871,6 @@ AtaAtapiPassThruStop (
   EFI_ATA_PASS_THRU_PROTOCOL        *AtaPassThru;\r
   EFI_PCI_IO_PROTOCOL               *PciIo;\r
   EFI_AHCI_REGISTERS                *AhciRegisters;\r
-  UINT64                            Supports;\r
 \r
   DEBUG ((EFI_D_INFO, "==AtaAtapiPassThru Stop== Controller = %x\n", Controller));\r
 \r
@@ -912,12 +923,22 @@ AtaAtapiPassThruStop (
   //\r
   DestroyDeviceInfoList (Instance);\r
 \r
+  PciIo = Instance->PciIo;\r
+\r
+  //\r
+  // Disable this ATA host controller.\r
+  //\r
+  PciIo->Attributes (\r
+           PciIo,\r
+           EfiPciIoAttributeOperationDisable,\r
+           Instance->EnabledPciAttributes,\r
+           NULL\r
+           );\r
+\r
   //\r
   // If the current working mode is AHCI mode, then pre-allocated resource\r
   // for AHCI initialization should be released.\r
   //\r
-  PciIo = Instance->PciIo;\r
-\r
   if (Instance->Mode == EfiAtaAhciMode) {\r
     AhciRegisters = &Instance->AhciRegisters;\r
     PciIo->Unmap (\r
@@ -949,25 +970,6 @@ AtaAtapiPassThruStop (
              );\r
   }\r
 \r
-  //\r
-  // Disable this ATA host controller.\r
-  //\r
-  Status = PciIo->Attributes (\r
-                    PciIo,\r
-                    EfiPciIoAttributeOperationSupported,\r
-                    0,\r
-                    &Supports\r
-                    );\r
-  if (!EFI_ERROR (Status)) {\r
-    Supports &= (UINT64)EFI_PCI_DEVICE_ENABLE;\r
-    PciIo->Attributes (\r
-             PciIo,\r
-             EfiPciIoAttributeOperationDisable,\r
-             Supports,\r
-             NULL\r
-             );\r
-  }\r
-\r
   //\r
   // Restore original PCI attributes\r
   //\r