18186b527SHans Petter Selasky /*- 28186b527SHans Petter Selasky * Copyright (c) 2017 Mellanox Technologies, Ltd. 38186b527SHans Petter Selasky * All rights reserved. 48186b527SHans Petter Selasky * 58186b527SHans Petter Selasky * Redistribution and use in source and binary forms, with or without 68186b527SHans Petter Selasky * modification, are permitted provided that the following conditions 78186b527SHans Petter Selasky * are met: 88186b527SHans Petter Selasky * 1. Redistributions of source code must retain the above copyright 98186b527SHans Petter Selasky * notice unmodified, this list of conditions, and the following 108186b527SHans Petter Selasky * disclaimer. 118186b527SHans Petter Selasky * 2. Redistributions in binary form must reproduce the above copyright 128186b527SHans Petter Selasky * notice, this list of conditions and the following disclaimer in the 138186b527SHans Petter Selasky * documentation and/or other materials provided with the distribution. 148186b527SHans Petter Selasky * 158186b527SHans Petter Selasky * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 168186b527SHans Petter Selasky * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 178186b527SHans Petter Selasky * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 188186b527SHans Petter Selasky * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 198186b527SHans Petter Selasky * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 208186b527SHans Petter Selasky * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 218186b527SHans Petter Selasky * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 228186b527SHans Petter Selasky * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 238186b527SHans Petter Selasky * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 248186b527SHans Petter Selasky * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 258186b527SHans Petter Selasky * 268186b527SHans Petter Selasky * $FreeBSD$ 278186b527SHans Petter Selasky */ 288186b527SHans Petter Selasky 29*307f78f3SVladimir Kondratyev #ifndef _LINUXKPI_LINUX_PFN_H_ 30*307f78f3SVladimir Kondratyev #define _LINUXKPI_LINUX_PFN_H_ 318186b527SHans Petter Selasky 328186b527SHans Petter Selasky #include <linux/types.h> 338186b527SHans Petter Selasky 348186b527SHans Petter Selasky typedef struct { 358186b527SHans Petter Selasky u64 val; 368186b527SHans Petter Selasky } pfn_t; 378186b527SHans Petter Selasky 388186b527SHans Petter Selasky #define PFN_ALIGN(x) (((unsigned long)(x) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1)) 398186b527SHans Petter Selasky #define PFN_UP(x) (((x) + PAGE_SIZE - 1) >> PAGE_SHIFT) 408186b527SHans Petter Selasky #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) 418186b527SHans Petter Selasky #define PFN_PHYS(x) ((phys_addr_t)(x) << PAGE_SHIFT) 428186b527SHans Petter Selasky #define PHYS_PFN(x) ((unsigned long)((x) >> PAGE_SHIFT)) 438186b527SHans Petter Selasky 44*307f78f3SVladimir Kondratyev #endif /* _LINUXKPI_LINUX_PFN_H_ */ 45