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//
// Copyright 2019 Ettus Research, a National Instruments Brand
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#include <uhd/exception.hpp>
#include <uhd/rfnoc/registry.hpp>
#include <uhd/rfnoc/defaults.hpp>
#include <uhd/utils/static.hpp>
#include <uhdlib/rfnoc/factory.hpp>
#include <unordered_map>
#include <iomanip>
#include <iostream>
#include <sstream>
using namespace uhd::rfnoc;
///////////////////////////////////////////////////////////////////////////////
// There are two registries:
// - The "direct" registry, which is for blocks that do not have a block
// descriptor file
// - The "descriptor" registry, which is for blocks that *do* have a block
// descriptor file
//
// This is the direct registry:
using block_direct_reg_t = std::unordered_map<noc_block_base::noc_id_t,
std::tuple<std::string /* block_name */,
registry::factory_t>>;
UHD_SINGLETON_FCN(block_direct_reg_t, get_direct_block_registry);
//
// This is the descriptor registry:
using block_descriptor_reg_t =
std::unordered_map<std::string /* block_key */, registry::factory_t>;
UHD_SINGLETON_FCN(block_descriptor_reg_t, get_descriptor_block_registry);
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// These registries are for blocks that have requested motherboard access
using block_direct_mb_access_req_t = std::unordered_set<noc_block_base::noc_id_t>;
UHD_SINGLETON_FCN(block_direct_mb_access_req_t, get_direct_block_mb_access_requested);
//
// This is the descriptor registry:
using block_descriptor_mb_access_req_t = std::unordered_set<std::string>;
UHD_SINGLETON_FCN(
block_descriptor_mb_access_req_t, get_descriptor_block_mb_access_requested);
///////////////////////////////////////////////////////////////////////////////
/******************************************************************************
* Registry functions
*
* Note: Don't use UHD_LOG_*, since all of this can be executed in a static
* fashion.
*****************************************************************************/
void registry::register_block_direct(noc_block_base::noc_id_t noc_id,
const std::string& block_name,
factory_t factory_fn)
{
if (get_direct_block_registry().count(noc_id)) {
std::cerr
<< "[REGISTRY] WARNING: Attempting to overwrite previously registered RFNoC "
"block with Noc-ID 0x"
<< std::hex << noc_id << std::dec << std::endl;
return;
}
get_direct_block_registry().emplace(
noc_id, std::make_tuple(block_name, std::move(factory_fn)));
}
void registry::register_block_descriptor(
const std::string& block_key, factory_t factory_fn)
{
if (get_descriptor_block_registry().count(block_key)) {
std::cerr << "WARNING: Attempting to overwriting previously registered RFNoC "
"block with block key"
<< block_key << std::endl;
return;
}
get_descriptor_block_registry().emplace(block_key, std::move(factory_fn));
}
void registry::request_mb_access(noc_block_base::noc_id_t noc_id)
{
if (!get_direct_block_mb_access_requested().count(noc_id)) {
get_direct_block_mb_access_requested().emplace(noc_id);
}
}
void registry::request_mb_access(const std::string& block_key)
{
if (!get_descriptor_block_mb_access_requested().count(block_key)) {
get_descriptor_block_mb_access_requested().emplace(block_key);
}
}
/******************************************************************************
* Factory functions
*****************************************************************************/
std::pair<registry::factory_t, std::string> factory::get_block_factory(
noc_block_base::noc_id_t noc_id)
{
// First, check the descriptor registry
// FIXME TODO
// Second, check the direct registry
if (!get_direct_block_registry().count(noc_id)) {
UHD_LOG_WARNING("RFNOC::BLOCK_FACTORY",
"Could not find block with Noc-ID "
<< std::hex << std::setw(sizeof(noc_block_base::noc_id_t) * 2) << noc_id);
noc_id = DEFAULT_NOC_ID;
}
auto& block_info = get_direct_block_registry().at(noc_id);
return {std::get<1>(block_info), std::get<0>(block_info)};
}
bool factory::has_requested_mb_access(noc_block_base::noc_id_t noc_id)
{
if (get_direct_block_mb_access_requested().count(noc_id)) {
return true;
}
// FIXME tbw:
// - Map noc_id to block key
// - Check that key's descriptor
// - If that block has requested MB access, stash the noc ID in
// get_direct_block_mb_access_requested() for faster lookups in the future
return false;
}
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