thodg/cgminer/driver-hashfast.h

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• Hash : 598b58c8
  Author :
  Date : 2013-10-14T00:18:23
  

  Create basic read and write threads that will be used by hashfast driver.

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• driver-hashfast.h

• /*
   * Copyright 2013 Con Kolivas <kernel@kolivas.org>
   * Copyright 2013 Hashfast
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by the Free
   * Software Foundation; either version 3 of the License, or (at your option)
   * any later version.  See COPYING for more details.
   */
  
  #ifndef HASHFAST_H
  #define HASHFAST_H
  
  #ifdef USE_HASHFAST
  #include "miner.h"
  #include "elist.h"
  #include "hf_protocol.h"
  
  #define HASHFAST_MINER_THREADS 1
  #define HF_NUM_SEQUENCE 256
  
  // Matching fields for hf_statistics, but large #'s for local accumulation, per-die
  struct hf_long_statistics {
  	uint64_t rx_header_crc;                     // Header CRC's
  	uint64_t rx_body_crc;                       // Data CRC's
  	uint64_t rx_header_timeouts;                // Header timeouts
  	uint64_t rx_body_timeouts;                  // Data timeouts
  	uint64_t core_nonce_fifo_full;              // Core nonce Q overrun events
  	uint64_t array_nonce_fifo_full;             // System nonce Q overrun events
  	uint64_t stats_overrun;                     // Overrun in statistics reporting
  } __attribute__((packed,aligned(4)));
  
  struct hashfast_info {
  	int asic_count;                             // # of chips in the chain
  	int core_count;                             // # of cores per chip
  	int device_type;                            // What sort of device this is
  	int ref_frequency;                          // Reference clock rate
  	uint16_t hash_sequence;                     // The next hash sequence # to be sent
  	struct hf_g1_die_data *die_status;          // Array of per-die voltage, current, temperature sensor data
  	struct hf_long_statistics *die_statistics;  // Array of per-die error counters
  	int hash_clock_rate;                        // Hash clock rate to use, in Mhz
  	struct hf_usb_init_base usb_init_base;      // USB Base information from USB_INIT
  	struct hf_config_data config_data;          // Configuration data used from USB_INIT
  	int core_bitmap_size;                       // in bytes
  	uint32_t *core_bitmap;                      // Core OK bitmap test results, run with PLL Bypassed
  
  	pthread_mutex_t lock;
  	struct work **works;
  	uint16_t device_sequence_head;              // The most recent sequence number the device dispatched
  	uint16_t device_sequence_tail;              // The most recently completed job in the device
  	uint16_t hash_sequence_tail;                // Follows device_sequence_tail around to free work
  
  	pthread_t read_thr;
  	pthread_t write_thr;
  	pthread_mutex_t write_mutex;
  	pthread_cond_t write_cond;
  };
  
  #endif /* USE_HASHFAST */
  #endif	/* HASHFAST_H */
  

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