Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/sw842.h>
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#include <linux/vmalloc.h>
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#include "backend_842.h"
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static void release_params_842(struct zcomp_params *params)
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{
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}
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static int setup_params_842(struct zcomp_params *params)
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{
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return 0;
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}
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static void destroy_842(struct zcomp_ctx *ctx)
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{
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kfree(ctx->context);
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}
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static int create_842(struct zcomp_params *params, struct zcomp_ctx *ctx)
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{
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ctx->context = kmalloc(SW842_MEM_COMPRESS, GFP_KERNEL);
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if (!ctx->context)
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return -ENOMEM;
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return 0;
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}
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static int compress_842(struct zcomp_params *params, struct zcomp_ctx *ctx,
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struct zcomp_req *req)
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{
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unsigned int dlen = req->dst_len;
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int ret;
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ret = sw842_compress(req->src, req->src_len, req->dst, &dlen,
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ctx->context);
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if (ret == 0)
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req->dst_len = dlen;
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return ret;
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}
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static int decompress_842(struct zcomp_params *params, struct zcomp_ctx *ctx,
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struct zcomp_req *req)
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{
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unsigned int dlen = req->dst_len;
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return sw842_decompress(req->src, req->src_len, req->dst, &dlen);
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}
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const struct zcomp_ops backend_842 = {
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.compress = compress_842,
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.decompress = decompress_842,
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.create_ctx = create_842,
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.destroy_ctx = destroy_842,
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.setup_params = setup_params_842,
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.release_params = release_params_842,
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.name = "842",
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};
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