Date: Sat, 7 Aug 2010 02:08:33 +0000 (UTC) From: Jeff Roberson <jeff@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r210988 - projects/ofed/head/sys/ofed/include/linux Message-ID: <201008070208.o7728XCn099249@svn.freebsd.org>
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Author: jeff Date: Sat Aug 7 02:08:33 2010 New Revision: 210988 URL: http://svn.freebsd.org/changeset/base/210988 Log: - Implement enough of vm_area_struct to support mmap. - Define a few page protection types. Sponsored by: Isilon Systems, iX Systems, and Panasas. Modified: projects/ofed/head/sys/ofed/include/linux/mm.h projects/ofed/head/sys/ofed/include/linux/page.h Modified: projects/ofed/head/sys/ofed/include/linux/mm.h ============================================================================== --- projects/ofed/head/sys/ofed/include/linux/mm.h Sat Aug 7 02:07:40 2010 (r210987) +++ projects/ofed/head/sys/ofed/include/linux/mm.h Sat Aug 7 02:08:33 2010 (r210988) @@ -35,6 +35,11 @@ #define PAGE_ALIGN(x) ALIGN(x, PAGE_SIZE) struct vm_area_struct { + vm_offset_t vm_start; + vm_offset_t vm_end; + vm_offset_t vm_pgoff; + vm_paddr_t vm_pfn; /* PFN For mmap. */ + vm_memattr_t vm_page_prot; }; /* @@ -62,4 +67,18 @@ lowmem_page_address(struct page *page) return page_address(page); } +/* + * This only works via mmap ops. + */ +static inline int +io_remap_pfn_range(struct vm_area_struct *vma, + unsigned long addr, unsigned long pfn, unsigned long size, + vm_memattr_t prot) +{ + vma->vm_page_prot = prot; + vma->vm_pfn = pfn; + + return (0); +} + #endif /* _LINUX_MM_H_ */ Modified: projects/ofed/head/sys/ofed/include/linux/page.h ============================================================================== --- projects/ofed/head/sys/ofed/include/linux/page.h Sat Aug 7 02:07:40 2010 (r210987) +++ projects/ofed/head/sys/ofed/include/linux/page.h Sat Aug 7 02:08:33 2010 (r210988) @@ -40,6 +40,8 @@ #define virt_to_page(x) PHYS_TO_VM_PAGE(vtophys((x))) #define clear_page(page) memset((page), 0, PAGE_SIZE) +#define pgprot_noncached(prot) VM_MEMATTR_UNCACHED +#define pgprot_wc(prot) VM_MEMATTR_WRITE_COMBINING #undef PAGE_MASK #define PAGE_MASK (~(PAGE_SIZE-1))
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