MdeModulePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / MdeModulePkg / Bus / Pci / UhciDxe / UsbHcMem.h

diff --git a/MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.h b/MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.h
index 7a74639cc0ad38e53c3868ff5c25644d1bd05b51..d202669c111c35fd4323bae8390d946448ef6cac 100644 (file)
--- a/MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.h
+++ b/MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.h
@@ -2,22 +2,14 @@
 \r
   This file contains the definination for host controller memory management routines\r
 \r
-Copyright (c) 2007, Intel Corporation\r
-All rights reserved. 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) 2007 - 2010, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 **/\r
 \r
 #ifndef _EFI_EHCI_MEM_H_\r
 #define _EFI_EHCI_MEM_H_\r
 \r
-#include <IndustryStandard/Pci22.h>\r
-\r
 #define USB_HC_BIT(a)                  ((UINTN)(1 << (a)))\r
 \r
 #define USB_HC_BIT_IS_SET(Data, Bit)   \\r
@@ -27,15 +19,16 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
           ((UINT32)(RShiftU64((UINTN)(Addr64), 32) & 0XFFFFFFFF))\r
 \r
 \r
-typedef struct _USBHC_MEM_BLOCK {\r
+typedef struct _USBHC_MEM_BLOCK USBHC_MEM_BLOCK;\r
+struct _USBHC_MEM_BLOCK {\r
   UINT8                   *Bits;    // Bit array to record which unit is allocated\r
   UINTN                   BitsLen;\r
   UINT8                   *Buf;\r
   UINT8                   *BufHost;\r
   UINTN                   BufLen;   // Memory size in bytes\r
   VOID                    *Mapping;\r
-  struct _USBHC_MEM_BLOCK *Next;\r
-} USBHC_MEM_BLOCK;\r
+  USBHC_MEM_BLOCK         *Next;\r
+};\r
 \r
 //\r
 // USBHC_MEM_POOL is used to manage the memory used by USB\r
@@ -49,12 +42,13 @@ typedef struct _USBHC_MEM_POOL {
   USBHC_MEM_BLOCK         *Head;\r
 } USBHC_MEM_POOL;\r
 \r
-typedef enum {\r
-  USBHC_MEM_UNIT           = 64,     // Memory allocation unit, must be 2^n, n>4\r
+//\r
+// Memory allocation unit, must be 2^n, n>4\r
+//\r
+#define USBHC_MEM_UNIT           64\r
 \r
-  USBHC_MEM_UNIT_MASK      = USBHC_MEM_UNIT - 1,\r
-  USBHC_MEM_DEFAULT_PAGES  = 16\r
-}UHCI_MEM_UNIT_DATA;\r
+#define USBHC_MEM_UNIT_MASK      (USBHC_MEM_UNIT - 1)\r
+#define USBHC_MEM_DEFAULT_PAGES  16\r
 \r
 #define USBHC_MEM_ROUND(Len)  (((Len) + USBHC_MEM_UNIT_MASK) & (~USBHC_MEM_UNIT_MASK))\r
 \r
@@ -141,4 +135,21 @@ UsbHcFreeMem (
   IN VOID                 *Mem,\r
   IN UINTN                Size\r
   );\r
+\r
+/**\r
+  Calculate the corresponding pci bus address according to the Mem parameter.\r
+\r
+  @param  Pool           The memory pool of the host controller.\r
+  @param  Mem            The pointer to host memory.\r
+  @param  Size           The size of the memory region.\r
+\r
+  @return the pci memory address\r
+**/\r
+EFI_PHYSICAL_ADDRESS\r
+UsbHcGetPciAddressForHostMem (\r
+  IN USBHC_MEM_POOL       *Pool,\r
+  IN VOID                 *Mem,\r
+  IN UINTN                Size\r
+  );\r
+\r
 #endif\r