diff options
Diffstat (limited to 'mpm/python/usrp_mpm')
| -rw-r--r-- | mpm/python/usrp_mpm/periph_manager/base.py | 32 | 
1 files changed, 32 insertions, 0 deletions
| diff --git a/mpm/python/usrp_mpm/periph_manager/base.py b/mpm/python/usrp_mpm/periph_manager/base.py index e52a75fcb..031573551 100644 --- a/mpm/python/usrp_mpm/periph_manager/base.py +++ b/mpm/python/usrp_mpm/periph_manager/base.py @@ -26,6 +26,7 @@ from .udev import get_spidev_nodes  from usrp_mpm import net  from usrp_mpm import dtoverlay  from usrp_mpm import eeprom +from usrp_mpm.rpc_server import no_claim, no_rpc  def get_dboard_class_from_pid(pid):      """ @@ -368,3 +369,34 @@ class PeriphManagerBase(object):          """          raise NotImplementedError("_allocate_sid() not implented") +    @no_claim +    def get_num_xbars(self): +        """ +        Returns the number of crossbars instantiated in the current design +        """ +        return 1 # FIXME + +    @no_claim +    def get_num_blocks(self, xbar_index): +        """ +        Returns the number of blocks connected to crossbar with index +        xbar_index. + +        xbar_index -- The index of the crossbar that's being queried. +        docstring for get_num_blocks""" +        # FIXME +        return int(open('/sys/class/rfnoc_crossbar/crossbar0/nports').read().strip()) - 3 + +    @no_claim +    def get_base_port(self, xbar_index): +        """ +        Returns the index of the first port which is connected to an RFNoC +        block. Example: Assume there are two SFPs connected to the crossbar, and +        one DMA engine for CHDR traffic. The convention would be to connect +        those to ports 0, 1, and 2, respectively. This makes port 3 the first +        block to be connected to an RFNoC block. + +        xbar_index -- The index of the crossbar that's being queried +        """ +        return 3 # FIXME This is the same 3 as in get_num_blocks + | 
