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sys/compat/linuxkpi/common/include/asm/set_memory.h
- This file was added.
| /*- | |||||
| * Copyright (c) 2010 Isilon Systems, Inc. | |||||
| * Copyright (c) 2016 Matt Macy (mmacy@nextbsd.org) | |||||
| * Copyright (c) 2017 Mellanox Technologies, Ltd. | |||||
| * All rights reserved. | |||||
| * | |||||
| * Redistribution and use in source and binary forms, with or without | |||||
| * modification, are permitted provided that the following conditions | |||||
| * are met: | |||||
| * 1. Redistributions of source code must retain the above copyright | |||||
| * notice unmodified, this list of conditions, and the following | |||||
| * disclaimer. | |||||
| * 2. Redistributions in binary form must reproduce the above copyright | |||||
| * notice, this list of conditions and the following disclaimer in the | |||||
| * documentation and/or other materials provided with the distribution. | |||||
| * | |||||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |||||
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |||||
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |||||
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |||||
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |||||
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |||||
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |||||
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |||||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |||||
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |||||
| */ | |||||
| #ifndef _LINUXKPI_ASM_SET_MEMORY_H_ | |||||
| #define _LINUXKPI_ASM_SET_MEMORY_H_ | |||||
| #include <linux/page.h> | |||||
| static inline int | |||||
| set_memory_uc(unsigned long addr, int numpages) | |||||
| { | |||||
| return (pmap_change_attr(addr, numpages, VM_MEMATTR_UNCACHEABLE)); | |||||
| } | |||||
| static inline int | |||||
| set_memory_wc(unsigned long addr, int numpages) | |||||
| { | |||||
| #ifdef VM_MEMATTR_WRITE_COMBINING | |||||
| return (pmap_change_attr(addr, numpages, VM_MEMATTR_WRITE_COMBINING)); | |||||
| #else | |||||
| return (set_memory_uc(addr, numpages)); | |||||
| #endif | |||||
| } | |||||
| static inline int | |||||
| set_memory_wb(unsigned long addr, int numpages) | |||||
| { | |||||
| return (pmap_change_attr(addr, numpages, VM_MEMATTR_WRITE_BACK)); | |||||
| } | |||||
| static inline int | |||||
| set_pages_uc(vm_page_t page, int numpages) | |||||
| { | |||||
| KASSERT(numpages == 1, ("%s: numpages %d", __func__, numpages)); | |||||
| pmap_page_set_memattr(page, VM_MEMATTR_UNCACHEABLE); | |||||
| return (0); | |||||
| } | |||||
| static inline int | |||||
| set_pages_wc(vm_page_t page, int numpages) | |||||
| { | |||||
| KASSERT(numpages == 1, ("%s: numpages %d", __func__, numpages)); | |||||
| #ifdef VM_MEMATTR_WRITE_COMBINING | |||||
| pmap_page_set_memattr(page, VM_MEMATTR_WRITE_COMBINING); | |||||
| #else | |||||
| return (set_pages_uc(page, numpages)); | |||||
| #endif | |||||
| return (0); | |||||
| } | |||||
| static inline int | |||||
| set_pages_wb(vm_page_t page, int numpages) | |||||
| { | |||||
| KASSERT(numpages == 1, ("%s: numpages %d", __func__, numpages)); | |||||
| pmap_page_set_memattr(page, VM_MEMATTR_WRITE_BACK); | |||||
| return (0); | |||||
| } | |||||
| static inline int | |||||
| set_pages_array_wb(vm_page_t *pages, int addrinarray) | |||||
| { | |||||
| int i; | |||||
| for (i = 0; i < addrinarray; i++) | |||||
| set_pages_wb(pages[i], 1); | |||||
| return (0); | |||||
| } | |||||
| static inline int | |||||
| set_pages_array_wc(vm_page_t *pages, int addrinarray) | |||||
| { | |||||
| int i; | |||||
| for (i = 0; i < addrinarray; i++) | |||||
| set_pages_wc(pages[i], 1); | |||||
| return (0); | |||||
| } | |||||
| static inline int | |||||
| set_pages_array_uc(vm_page_t *pages, int addrinarray) | |||||
| { | |||||
| int i; | |||||
| for (i = 0; i < addrinarray; i++) | |||||
| set_pages_uc(pages[i], 1); | |||||
| return (0); | |||||
| } | |||||
| #endif /* _LINUXKPI_ASM_SET_MEMORY_H_ */ | |||||