d53979b589
Add files to access the powerpc NX-GZIP engine in user space. Signed-off-by: Bulent Abali <abali@us.ibm.com> Signed-off-by: Raphael Moreira Zinsly <rzinsly@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200420205538.25181-2-rzinsly@linux.ibm.com
38 lines
699 B
C
38 lines
699 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright 2020 IBM Corp.
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*
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*/
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#ifndef _NX_H
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#define _NX_H
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#include <stdbool.h>
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#define NX_FUNC_COMP_842 1
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#define NX_FUNC_COMP_GZIP 2
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#ifndef __aligned
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#define __aligned(x) __attribute__((aligned(x)))
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#endif
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struct nx842_func_args {
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bool use_crc;
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bool decompress; /* true decompress; false compress */
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bool move_data;
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int timeout; /* seconds */
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};
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struct nxbuf_t {
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int len;
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char *buf;
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};
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/* @function should be EFT (aka 842), GZIP etc */
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void *nx_function_begin(int function, int pri);
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int nx_function(void *handle, struct nxbuf_t *in, struct nxbuf_t *out,
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void *arg);
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int nx_function_end(void *handle);
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#endif /* _NX_H */
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