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68 lines
3.2 KiB
C
68 lines
3.2 KiB
C
/*
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Copyright 2022, 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 REG_IF_H
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#define REG_IF_H
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#include <stdint.h>
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#include <stddef.h>
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struct mqnic_reg_if {
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const struct mqnic_reg_if_ops *ops;
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void *priv;
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};
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struct mqnic_reg_if_ops {
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int (*read8)(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint8_t *value);
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int (*write8)(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint8_t value);
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int (*read16)(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint16_t *value);
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int (*write16)(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint16_t value);
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int (*read32)(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint32_t *value);
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int (*write32)(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint32_t value);
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int (*read64)(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint64_t *value);
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int (*write64)(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint64_t value);
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};
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int mqnic_reg_if_read8(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint8_t *value);
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int mqnic_reg_if_write8(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint8_t value);
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int mqnic_reg_if_read16(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint16_t *value);
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int mqnic_reg_if_write16(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint16_t value);
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int mqnic_reg_if_read32(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint32_t *value);
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int mqnic_reg_if_write32(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint32_t value);
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int mqnic_reg_if_read64(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint64_t *value);
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int mqnic_reg_if_write64(const struct mqnic_reg_if *reg, ptrdiff_t offset, uint64_t value);
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void mqnic_reg_if_setup_raw(struct mqnic_reg_if *reg, void *regs);
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#endif /* REG_IF_H */
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