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95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#ifndef SRSRAN_SCHED_NR_COMMON_H
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#define SRSRAN_SCHED_NR_COMMON_H
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#include "sched_nr_interface.h"
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#include "srsran/adt/bounded_bitset.h"
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namespace srsenb {
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const static size_t SCHED_NR_MAX_USERS = 4;
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const static size_t SCHED_NR_NOF_SUBFRAMES = 10;
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const static size_t SCHED_NR_NOF_HARQS = 16;
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namespace sched_nr_impl {
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using sched_cfg_t = sched_nr_interface::sched_cfg_t;
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using cell_cfg_t = sched_nr_interface::cell_cfg_t;
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struct sched_cell_params {
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const uint32_t cc;
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const cell_cfg_t cell_cfg;
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const sched_cfg_t& sched_cfg;
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sched_cell_params(uint32_t cc_, const cell_cfg_t& cell, const sched_cfg_t& sched_cfg_) :
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cc(cc_), cell_cfg(cell), sched_cfg(sched_cfg_)
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{}
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};
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struct sched_params {
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const sched_cfg_t sched_cfg;
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std::vector<sched_cell_params> cells;
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explicit sched_params(const sched_cfg_t& sched_cfg_) : sched_cfg(sched_cfg_) {}
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};
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using pdcchmask_t = srsran::bounded_bitset<SCHED_NR_MAX_NOF_RBGS, true>;
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using rbgmask_t = srsran::bounded_bitset<SCHED_NR_MAX_NOF_RBGS, true>;
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struct resource_guard {
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public:
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resource_guard() = default;
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resource_guard(const resource_guard& other) = delete;
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resource_guard(resource_guard&& other) = delete;
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resource_guard& operator=(const resource_guard& other) = delete;
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resource_guard& operator=(resource_guard&& other) = delete;
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bool busy() const { return flag; }
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struct token {
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token() = default;
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token(resource_guard& parent) : flag(parent.busy() ? nullptr : &parent.flag)
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{
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if (flag != nullptr) {
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*flag = true;
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}
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}
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token(token&&) noexcept = default;
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token& operator=(token&&) noexcept = default;
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void release() { flag.reset(); }
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bool owns_token() const { return flag != nullptr; }
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bool empty() const { return flag == nullptr; }
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private:
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struct release_deleter {
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void operator()(bool* ptr)
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{
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if (ptr != nullptr) {
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srsran_assert(*ptr == true, "resource token: detected inconsistency token state");
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*ptr = false;
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}
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}
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};
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std::unique_ptr<bool, release_deleter> flag;
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};
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private:
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bool flag = false;
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};
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} // namespace sched_nr_impl
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} // namespace srsenb
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#endif // SRSRAN_SCHED_NR_COMMON_H
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