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Howlett" , Yun Zhou , Suren Baghdasaryan , Alex Sierra , Muhammad Usama Anjum , Matthew Wilcox , Pasha Tatashin , 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 v11 5/7] tools headers UAPI: Update linux/fs.h with the kernel sources Date: Thu, 9 Mar 2023 18:57:16 +0500 Message-Id: <20230309135718.1490461-6-usama.anjum@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230309135718.1490461-1-usama.anjum@collabora.com> References: <20230309135718.1490461-1-usama.anjum@collabora.com> MIME-Version: 1.0 X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 0D39640004 X-Stat-Signature: fpziqcc73ud9cr51598c8k9c9h9qi38j X-Rspam-User: X-HE-Tag: 1678370291-967957 X-HE-Meta: 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 8X9iQ8KP 3UMuG+jFOPZ7sV0/LUXeIkucy2IngUCAP+qhhX2BWdbS+5ihjWhExLGzyxNxRB9VFPeViomlDum5eNr/uYiqZ0sDT7wLSk1rU49Im+z8siyqhW7FKJXqroaT0cR9mEkM4pvtvYot1kH9U1mJnKVwoJGdptCNEGfSAlTZm8G10IYwShOo3V0cbMrNs2EXgt/Ikai+l/NBDvY9oV0JQNh5maDNe4HNnael46m3+VcHJB4f+dq/k1N1FJh2mUongHiA/j3fQvQFEpKEtoD4= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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 | 53 +++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/tools/include/uapi/linux/fs.h b/tools/include/uapi/linux/fs.h index b7b56871029c..47879c38ce2f 100644 --- a/tools/include/uapi/linux/fs.h +++ b/tools/include/uapi/linux/fs.h @@ -305,4 +305,57 @@ 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 pm_scan_arg) + +/* Bits are set in the bitmap of the page_region and masks in pm_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 in pages + * bitmap: Bits sets for the region + */ +struct page_region { + __u64 start; + __u64 len; + __u64 bitmap; +}; + +/* + * struct pm_scan_arg - Pagemap ioctl argument + * @size: Size of the structure + * @flags: Flags for the IOCTL + * @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 + * @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 pm_scan_arg { + __u64 size; + __u64 flags; + __u64 start; + __u64 len; + __u64 vec; + __u64 vec_len; + __u64 max_pages; + __u64 required_mask; + __u64 anyof_mask; + __u64 excluded_mask; + __u64 return_mask; +}; + +/* Supported flags */ +#define PM_SCAN_OP_GET (1 << 0) +#define PM_SCAN_OP_WP (1 << 1) + #endif /* _UAPI_LINUX_FS_H */