diff options
Diffstat (limited to 'host/lib/include/uhdlib/rfnoc/graph_stream_manager.hpp')
| -rw-r--r-- | host/lib/include/uhdlib/rfnoc/graph_stream_manager.hpp | 50 |
1 files changed, 44 insertions, 6 deletions
diff --git a/host/lib/include/uhdlib/rfnoc/graph_stream_manager.hpp b/host/lib/include/uhdlib/rfnoc/graph_stream_manager.hpp index 81657453d..120b0e0f8 100644 --- a/host/lib/include/uhdlib/rfnoc/graph_stream_manager.hpp +++ b/host/lib/include/uhdlib/rfnoc/graph_stream_manager.hpp @@ -15,6 +15,7 @@ #include <functional> #include <memory> #include <set> +#include <tuple> namespace uhd { namespace rfnoc { @@ -41,25 +42,34 @@ public: */ virtual const std::set<sep_addr_t>& get_reachable_endpoints() const = 0; - /*! \brief Initialize a control endpoint to the specified destination + /*! \brief Connect the host to the specified destination and create a control stream * * \param dst_addr The physical address of the destination endpoint * \param via_device The preference for the device to take to get to the destination * \return A pair (source, destination) endpoint IDs for the control stream */ - virtual sep_id_pair_t init_ctrl_stream( - sep_addr_t dst_addr, device_id_t via_device = NULL_DEVICE_ID) = 0; + virtual sep_id_pair_t connect_host_to_device( + sep_addr_t dst_addr, device_id_t host_device = NULL_DEVICE_ID) = 0; + + /*! \brief Connect two remote endpoints to each other + * + * \param dst_addr The physical address of the destination endpoint + * \param src_addr The physical address of the source endpoint + * \return A pair (source, destination) endpoint IDs for the src/dst + */ + virtual sep_id_pair_t connect_device_to_device( + sep_addr_t dst_addr, sep_addr_t src_addr) = 0; /*! \brief Get a register iface (ctrlport endpoint) to a particular block * - * \param dst_epid The endpoint ID of the destination + * \param dst_addr The physical address of the destination endpoint * \param block_index The index of the block in the device * \param client_clk The clock that is driving the ctrlport slave * \param timebase_clk The clock that is driving the timebase * \param via_device The preference for the device to take to get to the destination * \return An interface to the ctrlport endpoint */ - virtual ctrlport_endpoint::sptr get_block_register_iface(sep_id_t dst_epid, + virtual ctrlport_endpoint::sptr get_block_register_iface(sep_addr_t dst_addr, uint16_t block_index, const clock_iface& client_clk, const clock_iface& timebase_clk, @@ -72,8 +82,36 @@ public: * \return An interface to the client zero instance */ virtual detail::client_zero::sptr get_client_zero( - sep_id_t dst_epid, device_id_t via_device = NULL_DEVICE_ID) const = 0; + sep_addr_t dst_addr, device_id_t via_device = NULL_DEVICE_ID) const = 0; + /*! Configure a flow controlled data stream from the endpoint with ID src_epid to the + * endpoint with ID dst_epid + * + * \param dst_addr The physical address of the destination endpoint + * \param src_addr The physical address of the source endpoint + * \param lossy_xport Is the transport lossy? + * \param fc_freq_ratio Flow control response frequency as a ratio of the buff params + * \param fc_headroom_ratio Flow control headroom as a ratio of the buff params + * \param reset Optionally reset the stream + */ + virtual std::tuple<sep_id_pair_t, stream_buff_params_t> + create_device_to_device_data_stream(const sep_addr_t dst_addr, + const sep_addr_t src_addr, + const bool lossy_xport, + const double fc_freq_ratio, + const double fc_headroom_ratio, + const bool reset = false) = 0; + + // TODO: Implement functions to get graph-wide streamers + + /*! + * \brief Create a graph_stream_manager and return a unique_ptr to it + * + * \param pkt_factory A factory for generating CHDR packets + * \param epid_alloc The allocator for all EPIDs in the graph + * \param links Pairs of host devices and motherboards that should be connected + * \return A unique_ptr to the newly-created graph_stream_manager + */ static uptr make(const chdr::chdr_packet_factory& pkt_factory, const epid_allocator::sptr& epid_alloc, const std::vector<std::pair<device_id_t, mb_iface*>>& links); |