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| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-08-14 11:23:43 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-08-21 16:35:35 +0200 |
| commit | e35c343dd9c18d4d3e6424e2fab38f08085875d6 (patch) | |
| tree | 2cddeafa5853b20e04ed97a266e4f753c2b542a8 /include | |
| parent | 8467f62201fd2383d553702f9f9441e2493ece75 (diff) | |
| download | qemu-e35c343dd9c18d4d3e6424e2fab38f08085875d6.zip | |
hw/sd: Add sdbus_write_data() to write multiples bytes on the data line
Add a sdbus_write_data() method to write multiple bytes on the
data line of a SD bus.
We might improve the tracing later, for now keep logging each
byte individually.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200814092346.21825-5-f4bug@amsat.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/sd/sd.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/hw/sd/sd.h b/include/hw/sd/sd.h index 14ffc7f475..3ae3e8939b 100644 --- a/include/hw/sd/sd.h +++ b/include/hw/sd/sd.h @@ -175,6 +175,15 @@ void sdbus_write_byte(SDBus *sd, uint8_t value); * Return: byte value read */ uint8_t sdbus_read_byte(SDBus *sd); +/** + * Write data to a SD bus. + * @sdbus: bus + * @buf: data to write + * @length: number of bytes to write + * + * Write multiple bytes of data on the data lines of a SD bus. + */ +void sdbus_write_data(SDBus *sdbus, const void *buf, size_t length); bool sdbus_data_ready(SDBus *sd); bool sdbus_get_inserted(SDBus *sd); bool sdbus_get_readonly(SDBus *sd); |