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[2620:137:e000::1:20]) by mx.google.com with ESMTP id w19-20020a639353000000b004f26fd7ba22si743327pgm.168.2023.02.02.03.34.27; Thu, 02 Feb 2023 03:34:39 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=frnc3kJS; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232056AbjBBLbN (ORCPT + 99 others); Thu, 2 Feb 2023 06:31:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55688 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232014AbjBBLaw (ORCPT ); Thu, 2 Feb 2023 06:30:52 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C546D8C1CB; Thu, 2 Feb 2023 03:30:45 -0800 (PST) Received: from localhost.localdomain (unknown [39.45.165.226]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: usama.anjum) by madras.collabora.co.uk (Postfix) with ESMTPSA id 424FE6602EF0; Thu, 2 Feb 2023 11:30:38 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1675337444; bh=R/HtdMw3clmiQDnQYYbhMJw9ubwQr8QixF3sE7Xccl8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=frnc3kJSAm9263yyf3cneyAnevRuTQhVNg9A1vtRWxq0iA+/OOXiWeFyYemDntZKB SWtSV5aOwxF3iCIIxxu96ZaKP+xlERfbcgWdb1xIVZYyoEh70GeX9QOWrZBkneUoJY yP1QqSNlPdJikgL/CepS8i/2+dY0+wyDoIXbBAxXJrYletR3SF+jwDlo3jyOA08jPT RM/szZbA9E5EPYrI25GYGYpCf099RCQjly4HHybl7DPWkvA5Ysq0WWLJ2BmT2MGl+9 roxFv42F/gOmNYTDjULR4BKUTu+DryK/jFMD9XFAxvYxt9XlFggFGOsPSAoS0Dbxm8 fv07vfnsFtEbg== From: Muhammad Usama Anjum To: Peter Xu , David Hildenbrand , Andrew Morton , =?utf-8?b?TWljaGHFgiBNaXJvc8WC?= =?utf-8?b?YXc=?= , Andrei Vagin , Danylo Mocherniuk , Paul Gofman , Cyrill Gorcunov Cc: Alexander Viro , Shuah Khan , Christian Brauner , Yang Shi , Vlastimil Babka , "Liam R . Howlett" , Yun Zhou , Suren Baghdasaryan , Alex Sierra , Muhammad Usama Anjum , Matthew Wilcox , Pasha Tatashin , Mike Rapoport , Nadav Amit , Axel Rasmussen , "Gustavo A . R . Silva" , Dan Williams , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, Greg KH , kernel@collabora.com Subject: [PATCH v10 4/6] tools headers UAPI: Update linux/fs.h with the kernel sources Date: Thu, 2 Feb 2023 16:29:13 +0500 Message-Id: <20230202112915.867409-5-usama.anjum@collabora.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230202112915.867409-1-usama.anjum@collabora.com> References: <20230202112915.867409-1-usama.anjum@collabora.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1756718882824844821?= X-GMAIL-MSGID: =?utf-8?q?1756718882824844821?= New IOCTL and macros has been added in the kernel sources. Update the tools header file as well. Signed-off-by: Muhammad Usama Anjum --- tools/include/uapi/linux/fs.h | 50 +++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/tools/include/uapi/linux/fs.h b/tools/include/uapi/linux/fs.h index b7b56871029c..1ae9a8684b48 100644 --- a/tools/include/uapi/linux/fs.h +++ b/tools/include/uapi/linux/fs.h @@ -305,4 +305,54 @@ typedef int __bitwise __kernel_rwf_t; #define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC | RWF_NOWAIT |\ RWF_APPEND) +/* Pagemap ioctl */ +#define PAGEMAP_SCAN _IOWR('f', 16, struct pagemap_scan_arg) + +/* Bits are set in the bitmap of the page_region and masks in pagemap_scan_args */ +#define PAGE_IS_WRITTEN (1 << 0) +#define PAGE_IS_FILE (1 << 1) +#define PAGE_IS_PRESENT (1 << 2) +#define PAGE_IS_SWAPPED (1 << 3) + +/* + * struct page_region - Page region with bitmap flags + * @start: Start of the region + * @len: Length of the region + * bitmap: Bits sets for the region + */ +struct page_region { + __u64 start; + __u64 len; + __u64 bitmap; +}; + +/* + * struct pagemap_scan_arg - Pagemap ioctl argument + * @start: Starting address of the region + * @len: Length of the region (All the pages in this length are included) + * @vec: Address of page_region struct array for output + * @vec_len: Length of the page_region struct array + * @max_pages: Optional max return pages + * @flags: Flags for the IOCTL + * @required_mask: Required mask - All of these bits have to be set in the PTE + * @anyof_mask: Any mask - Any of these bits are set in the PTE + * @excluded_mask: Exclude mask - None of these bits are set in the PTE + * @return_mask: Bits that are to be reported in page_region + */ +struct pagemap_scan_arg { + __u64 start; + __u64 len; + __u64 vec; + __u64 vec_len; + __u32 max_pages; + __u32 flags; + __u64 required_mask; + __u64 anyof_mask; + __u64 excluded_mask; + __u64 return_mask; +}; + +/* Special flags */ +#define PAGEMAP_WP_ENGAGE (1 << 0) + #endif /* _UAPI_LINUX_FS_H */