| Message ID | 20211110184213.649787-2-robdclark@gmail.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | msm: Add tests for gpu fault handling | expand |
On Wed, Nov 10, 2021 at 10:42:11AM -0800, Rob Clark wrote: > From: Rob Clark <robdclark@chromium.org> > > Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Petri Latvala <petri.latvala@intel.com> > --- > v2: Fix headerdoc comments > > lib/igt_debugfs.c | 17 +++++++++++++++++ > lib/igt_debugfs.h | 13 +++++++++++++ > 2 files changed, 30 insertions(+) > > diff --git a/lib/igt_debugfs.c b/lib/igt_debugfs.c > index a5bb95ca..dd6f2995 100644 > --- a/lib/igt_debugfs.c > +++ b/lib/igt_debugfs.c > @@ -351,6 +351,23 @@ void __igt_debugfs_read(int fd, const char *filename, char *buf, int size) > close(dir); > } > > +/** > + * __igt_debugfs_write: > + * @fd: the drm device file fd > + * @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..b4867681 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 +55,18 @@ 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: > + * @fd: the drm device file fd > + * @filename: name of the debugfs file > + * @buf: buffer to be written to the debugfs file > + * > + * This is just a convenience wrapper for __igt_debugfs_write. See its > + * documentation. > + */ > +#define igt_debugfs_write(fd, filename, buf) \ > + __igt_debugfs_write(fd, (filename), (buf), sizeof(buf)) > + > /* > * Pipe CRC > */ > -- > 2.31.1 >
diff --git a/lib/igt_debugfs.c b/lib/igt_debugfs.c index a5bb95ca..dd6f2995 100644 --- a/lib/igt_debugfs.c +++ b/lib/igt_debugfs.c @@ -351,6 +351,23 @@ void __igt_debugfs_read(int fd, const char *filename, char *buf, int size) close(dir); } +/** + * __igt_debugfs_write: + * @fd: the drm device file fd + * @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..b4867681 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 +55,18 @@ 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: + * @fd: the drm device file fd + * @filename: name of the debugfs file + * @buf: buffer to be written to the debugfs file + * + * This is just a convenience wrapper for __igt_debugfs_write. See its + * documentation. + */ +#define igt_debugfs_write(fd, filename, buf) \ + __igt_debugfs_write(fd, (filename), (buf), sizeof(buf)) + /* * Pipe CRC */