diff options
| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2018-10-05 15:42:55 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-10-11 12:12:54 +0200 |
| commit | d279a38020d2483cb75f5f82f5e4ab5f73bc94f2 (patch) | |
| tree | 0b7140fd53dfd22d275117be65803b3a15cf403b /drivers/hwtracing/stm/stm.h | |
| parent | c7fd62bc69d0224877a49383e606f0fe52cba741 (diff) | |
stm class: Add a helper for writing data packets
Add a helper to write a sequence of bytes as STP data packets. This
is used by protocol drivers to output their metadata, as well as the
actual data payload.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Tested-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/stm/stm.h')
| -rw-r--r-- | drivers/hwtracing/stm/stm.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hwtracing/stm/stm.h b/drivers/hwtracing/stm/stm.h index ed7f3d07fa47..3569439d53bb 100644 --- a/drivers/hwtracing/stm/stm.h +++ b/drivers/hwtracing/stm/stm.h @@ -110,5 +110,8 @@ int stm_lookup_protocol(const char *name, const struct stm_protocol_driver **pdrv, const struct config_item_type **type); void stm_put_protocol(const struct stm_protocol_driver *pdrv); +ssize_t stm_data_write(struct stm_data *data, unsigned int m, + unsigned int c, bool ts_first, const void *buf, + size_t count); #endif /* _STM_STM_H_ */ |