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97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
/*
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Copyright 2019, The Regents of the University of California.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE REGENTS OF THE UNIVERSITY OF CALIFORNIA ''AS
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IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE REGENTS OF THE UNIVERSITY OF CALIFORNIA OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those
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of the authors and should not be interpreted as representing official policies,
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either expressed or implied, of The Regents of the University of California.
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*/
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#ifndef MQNIC_H
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#define MQNIC_H
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#include <stdint.h>
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#include <unistd.h>
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#include "mqnic_hw.h"
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#define mqnic_reg_read32(base, reg) (((volatile uint32_t *)(base))[(reg)/4])
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#define mqnic_reg_write32(base, reg, val) (((volatile uint32_t *)(base))[(reg)/4]) = val
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struct mqnic;
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struct mqnic_if {
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struct mqnic *mqnic;
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volatile uint8_t *regs;
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volatile uint8_t *csr_regs;
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uint32_t if_id;
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uint32_t event_queue_count;
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uint32_t event_queue_offset;
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uint32_t tx_queue_count;
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uint32_t tx_queue_offset;
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uint32_t tx_cpl_queue_count;
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uint32_t tx_cpl_queue_offset;
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uint32_t rx_queue_count;
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uint32_t rx_queue_offset;
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uint32_t rx_cpl_queue_count;
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uint32_t rx_cpl_queue_offset;
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uint32_t port_count;
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uint32_t port_offset;
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uint32_t port_stride;
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};
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struct mqnic {
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int fd;
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size_t regs_size;
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volatile uint8_t *regs;
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volatile uint8_t *phc_regs;
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uint32_t fw_id;
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uint32_t fw_ver;
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uint32_t board_id;
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uint32_t board_ver;
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uint32_t phc_count;
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uint32_t phc_offset;
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uint32_t if_count;
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uint32_t if_stride;
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uint32_t if_csr_offset;
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struct mqnic_if interfaces[MQNIC_MAX_IF];
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};
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struct mqnic *mqnic_open(const char *dev_name);
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void mqnic_close(struct mqnic *dev);
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#endif /* MQNIC_H */
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