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thodg/cgminer/hf_protocol_be.h
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- hf_protocol_be.h
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// // Copyright 2013 HashFast LLC // // 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. // // Big endian versions of packed structures // // Version 1.0 // #ifndef _HF_PROTOCOL_BE_H_ #define _HF_PROTOCOL_BE_H_ // Generic header struct hf_header { uint8_t preamble; // Always 0xaa uint8_t operation_code; uint8_t chip_address; uint8_t core_address; uint16_t hdata; // Header specific data uint8_t data_length; // .. of data frame to follow, in 4 byte blocks, 0=no data uint8_t crc8; // Computed across bytes 1-6 inclusive } __attribute__((packed,aligned(4))); // 8 bytes total // Header specific to OP_PLL_CONFIG struct hf_pll_config { uint8_t preamble; uint8_t operation_code; uint8_t chip_address; uint8_t pll_reset:1; uint8_t pll_bypass:1; uint8_t pll_divr:6; uint8_t pll_divf; uint8_t pll_fse:1; // Must always be 1 uint8_t pll_range:3; uint8_t pll_divq:3; uint8_t spare1:1; // Must always be 0 uint8_t data_length; // Always 0 uint8_t crc8; // Computed across bytes 1-6 inclusive } __attribute__((packed,aligned(4))); // 8 bytes total // OP_HASH serial data struct hf_hash_serial { uint8_t midstate[32]; // Computed from first half of block header uint8_t merkle_residual[4]; // From block header uint32_t timestamp; // From block header uint32_t bits; // Actual difficulty target for block header uint32_t starting_nonce; // Usually set to 0 uint32_t nonce_loops; // How many nonces to search, or 0 for 2^32 uint16_t ntime_loops; // How many times to roll timestamp, or 0 uint8_t search_difficulty; // Search difficulty to use, # of '0' digits required uint8_t option; uint8_t group; uint8_t spare3[3]; } __attribute__((packed,aligned(4))); // OP_HASH usb data - header+data = 64 bytes struct hf_hash_usb { uint8_t midstate[32]; // Computed from first half of block header uint8_t merkle_residual[4]; // From block header uint32_t timestamp; // From block header uint32_t bits; // Actual difficulty target for block header uint32_t starting_nonce; // Usually set to 0 uint32_t nonce_loops; // How many nonces to search, or 0 for 2^32 uint16_t ntime_loops; // How many times to roll timestamp, or 0 uint8_t search_difficulty; // Search difficulty to use, # of '0' digits required uint8_t group; // Non-zero for valid group } __attribute__((packed,aligned(4))); // OP_NONCE data struct hf_candidate_nonce { uint32_t nonce; // Candidate nonce uint16_t sequence; // Sequence number from corresponding OP_HASH uint16_t ntime; // ntime offset, if ntime roll occurred, in LS 12 bits // If b12 set, search forward next 128 nonces to find solution(s) } __attribute__((packed,aligned(4))); // OP_CONFIG data // This is usually internal data only, for serial drivers only // Users shouldn't normally need to interpret this, but in the event a Big Endian // user requires access to this data, the following structure will get all // the fields in the right place, but byte swaps will be required for the // uint16_t's and the uint32_t. struct hf_config_data { uint16_t forward_all_privileged_packets:1; // Forward priv pkts -- diagnostic uint16_t pwm_active_level:1; // Active level of PWM outputs, if used uint16_t send_status_on_pending_empty:1; // Schedule status whenever core pending goes idle uint16_t send_status_on_core_idle:1; // Schedule status whenever core goes idle uint16_t enable_periodic_status:1; // Send periodic status uint16_t status_period:11; // Periodic status time, msec uint8_t status_batch_delay; // Batching delay, time to wait before sending status uint8_t disable_sensors:1; // Diagnostic uint8_t watchdog:7; // Watchdog timeout, seconds uint8_t rx_ignore_header_crc:1; // Ignore rx header crc's (diagnostic) uint8_t rx_header_timeout:7; // Header timeout in char times uint8_t rx_ignore_data_crc:1; // Ignore rx data crc's (diagnostic) uint8_t rx_data_timeout:7; // Data timeout in char times / 16 uint8_t stat_diagnostic:1; // Never set this uint8_t stats_interval:7; // Minimum interval to report statistics (seconds) uint8_t measure_interval; // Die temperature measurement interval (msec) uint32_t forward_all_packets:1; // Forward everything - diagnostic. uint32_t clock_diagnostic:1; // Never set this uint32_t trim:4; // Trim value for temperature measurements uint32_t pwm_phases:2; // phases - 1 uint32_t voltage_sample_points:8; // Bit mask for sample points (up to 5 bits set) uint32_t max_nonces_per_frame:4; // Maximum # of nonces to combine in a single frame uint32_t one_usec:12; // How many LF clocks per usec. uint16_t pwm_period; // Period of PWM outputs, in reference clock cycles uint16_t pwm_pulse_period; // Initial count, phase 0 } __attribute__((packed,aligned(4))); // OP_GROUP data struct hf_group_data { uint16_t nonce_msoffset; // This value << 16 added to starting nonce uint16_t ntime_offset; // This value added to timestamp } __attribute__((packed,aligned(4))); // Structure of the monitor fields for G-1, returned in OP_STATUS, core bitmap follows this struct hf_g1_monitor { uint16_t die_temperature; // Die temperature ADC count uint8_t core_voltage[6]; // Core voltage // [0] = main sensor // [1]-[5] = other positions } __attribute__((packed,aligned(4))); // What comes back in the body of an OP_STATISTICS frame (On die statistics) struct hf_statistics { uint8_t rx_header_crc; // Header CRC error's uint8_t rx_body_crc; // Data CRC error's uint8_t rx_header_timeouts; // Header timeouts uint8_t rx_body_timeouts; // Data timeouts uint8_t core_nonce_fifo_full; // Core nonce Q overrun events uint8_t array_nonce_fifo_full; // System nonce Q overrun events uint8_t stats_overrun; // Overrun in statistics reporting uint8_t spare; } __attribute__((packed,aligned(4))); //////////////////////////////////////////////////////////////////////////////// // USB protocol data structures //////////////////////////////////////////////////////////////////////////////// // Convenience header specific to OP_USB_INIT struct hf_usb_init_header { uint8_t preamble; // Always 0xaa uint8_t operation_code; uint8_t spare1; uint8_t leave_powered_down:1; // Init USB only, leave device powered down uint8_t do_atspeed_core_tests:1; // Do core tests at speed, return second bitmap uint8_t no_asic_initialization:1; // Do not perform automatic ASIC initialization uint8_t pll_bypass:1; // Force PLL bypass, hash clock = ref clock uint8_t user_configuration:1; // Use the following configuration data uint8_t protocol:3; // Which protocol to use uint16_t hash_clock; // Requested hash clock frequency uint8_t data_length; // .. of data frame to follow, in 4 byte blocks uint8_t crc8; // Computed across bytes 1-6 inclusive } __attribute__((packed,aligned(4))); // 8 bytes total // Options (only if present) that may be appended to the above header // Each option involving a numerical value will only be in effect if the value is non-zero // This allows the user to select only those options desired for modification. Do not // use this facility unless you are an expert - loading inconsistent settings will not work. struct hf_usb_init_options { uint16_t group_ntime_roll; // Total ntime roll amount per group uint16_t core_ntime_roll; // Total core ntime roll amount uint8_t low_operating_temp_limit; // Lowest normal operating limit uint8_t high_operating_temp_limit; // Highest normal operating limit uint16_t spare; } __attribute__((packed,aligned(4))); // Base item returned from device for OP_USB_INIT struct hf_usb_init_base { uint16_t firmware_rev; // Firmware revision # uint16_t hardware_rev; // Hardware revision # uint32_t serial_number; // Board serial number uint8_t operation_status; // Reply status for OP_USB_INIT (0 = success) uint8_t extra_status_1; // Extra reply status information, code specific uint16_t sequence_modulus; // Sequence numbers are to be modulo this uint16_t hash_clockrate; // Actual hash clock rate used (nearest Mhz) uint16_t inflight_target; // Target inflight amount for GWQ protocol } __attribute__((packed,aligned(4))); // The above base item (16 bytes) is followed by the struct hf_config_data (16 bytes) actually // used internally (so users may modify non-critical fields by doing subsequent // OP_CONFIG operations). This is followed by a device specific "core good" bitmap (unless the // user disabled initialization), and optionally by an at-speed "core good" bitmap. // Information in an OP_DIE_STATUS frame. This is for one die - there are four per ASIC. // Board level phase current and voltage sensors are likely to disappear in later production models. struct hf_g1_die_data { struct hf_g1_monitor die; // Die sensors - 8 bytes uint16_t phase_currents[4]; // Phase currents (0 if unavailable) uint16_t voltage; // Voltage at device boundary (0 if unavailable) uint16_t temperature; // Regulator temp sensor uint16_t tacho; // See documentation uint16_t spare; } __attribute__((packed,aligned(4))); // 24 bytes total // Information for an OP_GWQ_STATUS frame // If sequence_head == sequence_tail, then there is no active work and sequence_head is invalid struct hf_gwq_data { uint64_t hash_count; // Add this to host's cumulative hash count uint16_t sequence_head; // The latest, internal, active sequence # uint16_t sequence_tail; // The latest, internal, inactive sequence # uint16_t shed_count; // # of cores have been shedded for thermal control uint16_t spare; } __attribute__((packed,aligned(4))); // Information for an OP_USB_STATS1 frame - Communication statistics struct hf_usb_stats1 { // USB incoming uint16_t usb_rx_preambles; uint16_t usb_rx_receive_byte_errors; uint16_t usb_rx_bad_hcrc; // USB outgoing uint16_t usb_tx_attempts; uint16_t usb_tx_packets; uint16_t usb_tx_timeouts; uint16_t usb_tx_incompletes; uint16_t usb_tx_endpointstalled; uint16_t usb_tx_disconnected; uint16_t usb_tx_suspended; // Internal UART transmit uint16_t uart_tx_queue_dma; uint16_t uart_tx_interrupts; // Internal UART receive uint16_t uart_rx_preamble_ints; uint16_t uart_rx_missed_preamble_ints; uint16_t uart_rx_header_done; uint16_t uart_rx_data_done; uint16_t uart_rx_bad_hcrc; //uint16_t uart_rx_bad_crc32; uint16_t uart_rx_bad_dma; uint16_t uart_rx_short_dma; uint16_t uart_rx_buffers_full; uint8_t max_tx_buffers; // Maximum # of send buffers ever used uint8_t max_rx_buffers; // Maximum # of receive buffers ever used } __attribute__((packed,aligned(4))); // Information for an OP_USB_NOTICE frame struct hf_usb_notice_data { uint32_t extra_data; // Depends on notification code char message[]; // NULL terminated, little endian byte order }; #endif