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-rw-r--r--include/uapi/sound/asound.h2
-rw-r--r--sound/core/rawmidi.c26
2 files changed, 28 insertions, 0 deletions
diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h
index 1e4a21036109..5c5f41dd4001 100644
--- a/include/uapi/sound/asound.h
+++ b/include/uapi/sound/asound.h
@@ -1178,6 +1178,8 @@ struct snd_ctl_tlv {
#define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info)
#define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int)
#define SNDRV_CTL_IOCTL_UMP_NEXT_DEVICE _IOWR('U', 0x43, int)
+#define SNDRV_CTL_IOCTL_UMP_ENDPOINT_INFO _IOWR('U', 0x44, struct snd_ump_endpoint_info)
+#define SNDRV_CTL_IOCTL_UMP_BLOCK_INFO _IOWR('U', 0x45, struct snd_ump_block_info)
#define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int)
#define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int)
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 9936ed282b85..ffb5b58105f4 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -1043,6 +1043,28 @@ static int snd_rawmidi_next_device(struct snd_card *card, int __user *argp,
return 0;
}
+#if IS_ENABLED(CONFIG_SND_UMP)
+/* inquiry of UMP endpoint and block info via control API */
+static int snd_rawmidi_call_ump_ioctl(struct snd_card *card, int cmd,
+ void __user *argp)
+{
+ struct snd_ump_endpoint_info __user *info = argp;
+ struct snd_rawmidi *rmidi;
+ int device, ret;
+
+ if (get_user(device, &info->device))
+ return -EFAULT;
+ mutex_lock(&register_mutex);
+ rmidi = snd_rawmidi_search(card, device);
+ if (rmidi && rmidi->ops && rmidi->ops->ioctl)
+ ret = rmidi->ops->ioctl(rmidi, cmd, argp);
+ else
+ ret = -ENXIO;
+ mutex_unlock(&register_mutex);
+ return ret;
+}
+#endif
+
static int snd_rawmidi_control_ioctl(struct snd_card *card,
struct snd_ctl_file *control,
unsigned int cmd,
@@ -1056,6 +1078,10 @@ static int snd_rawmidi_control_ioctl(struct snd_card *card,
#if IS_ENABLED(CONFIG_SND_UMP)
case SNDRV_CTL_IOCTL_UMP_NEXT_DEVICE:
return snd_rawmidi_next_device(card, argp, true);
+ case SNDRV_CTL_IOCTL_UMP_ENDPOINT_INFO:
+ return snd_rawmidi_call_ump_ioctl(card, SNDRV_UMP_IOCTL_ENDPOINT_INFO, argp);
+ case SNDRV_CTL_IOCTL_UMP_BLOCK_INFO:
+ return snd_rawmidi_call_ump_ioctl(card, SNDRV_UMP_IOCTL_BLOCK_INFO, argp);
#endif
case SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE:
{