Use new iso resource allocation ioctls

This allows raw1394_bandwidth_modify() and raw1394_channel_modify()
to work on juju without write access to the IRM's character device file.

If either the build-time requirement of firewire-cdev header ABI >= v.2
or the runtime requirement of firewire-core ABI >= v.2 is not satisfied,
the code falls back to transactions to the IRM as before.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/fw.h b/src/fw.h
index 2d8ee38..ffd2c05 100644
--- a/src/fw.h
+++ b/src/fw.h
@@ -81,6 +81,7 @@ struct fw_handle {
 	int port_count;
 	int err;
 	int generation;
+	int abi_version;
 	void *userdata;
 	int notify_bus_reset;
 
@@ -202,6 +203,12 @@ int fw_update_config_rom(fw_handle_t handle, const quadlet_t *new_rom,
 int fw_get_config_rom(fw_handle_t handle, quadlet_t *buffer,
 		   size_t buffersize, size_t *rom_size,
 		   unsigned char *rom_version);
+int fw_bandwidth_modify(raw1394handle_t handle,
+		   unsigned int bandwidth,
+		   enum raw1394_modify_mode mode);
+int fw_channel_modify(raw1394handle_t handle,
+		   unsigned int channel,
+		   enum raw1394_modify_mode mode);
 
 int fw_iso_xmit_start(raw1394handle_t handle, int start_on_cycle,
 			   int prebuffer_packets);