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[73.25.156.94]) by smtp.gmail.com with ESMTPSA id o1sm6001425pfe.7.2021.11.09.10.04.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Nov 2021 10:04:06 -0800 (PST) From: Rob Clark To: igt-dev@lists.freedesktop.org Cc: freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, Jordan Crouse , Akhil P Oommen , Rob Clark Subject: [PATCH igt 1/3] lib/igt_debugfs: Add helper for writing debugfs files Date: Tue, 9 Nov 2021 10:09:03 -0800 Message-Id: <20211109180905.590773-2-robdclark@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211109180905.590773-1-robdclark@gmail.com> References: <20211109180905.590773-1-robdclark@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Rob Clark Signed-off-by: Rob Clark --- lib/igt_debugfs.c | 16 ++++++++++++++++ lib/igt_debugfs.h | 12 ++++++++++++ 2 files changed, 28 insertions(+) diff --git a/lib/igt_debugfs.c b/lib/igt_debugfs.c index a5bb95ca..39431068 100644 --- a/lib/igt_debugfs.c +++ b/lib/igt_debugfs.c @@ -351,6 +351,22 @@ void __igt_debugfs_read(int fd, const char *filename, char *buf, int size) close(dir); } +/** + * __igt_debugfs_write: + * @filename: file name + * @buf: buffer to be written to the debugfs file + * @size: size of the buffer + * + * This function opens the debugfs file, writes it, then closes the file. + */ +void __igt_debugfs_write(int fd, const char *filename, const char *buf, int size) +{ + int dir = igt_debugfs_dir(fd); + + igt_sysfs_write(dir, filename, buf, size); + close(dir); +} + /** * igt_debugfs_search: * @filename: file name diff --git a/lib/igt_debugfs.h b/lib/igt_debugfs.h index d43ba6c6..249eb56a 100644 --- a/lib/igt_debugfs.h +++ b/lib/igt_debugfs.h @@ -40,6 +40,7 @@ int igt_debugfs_pipe_dir(int device, int pipe, int mode); int igt_debugfs_open(int fd, const char *filename, int mode); void __igt_debugfs_read(int fd, const char *filename, char *buf, int size); +void __igt_debugfs_write(int fd, const char *filename, const char *buf, int size); int igt_debugfs_simple_read(int dir, const char *filename, char *buf, int size); bool igt_debugfs_search(int fd, const char *filename, const char *substring); @@ -54,6 +55,17 @@ bool igt_debugfs_search(int fd, const char *filename, const char *substring); #define igt_debugfs_read(fd, filename, buf) \ __igt_debugfs_read(fd, (filename), (buf), sizeof(buf)) +/** + * igt_debugfs_write: + * @filename: name of the debugfs file + * @buf: buffer to be written to the debugfs file + * + * This is just a convenience wrapper for __igt_debugfs_read. See its + * documentation. + */ +#define igt_debugfs_write(fd, filename, buf) \ + __igt_debugfs_write(fd, (filename), (buf), sizeof(buf)) + /* * Pipe CRC */ -- 2.31.1