Contributors: 3
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Sergey Senozhatsky |
257 |
98.47% |
9 |
81.82% |
| Barry Song |
3 |
1.15% |
1 |
9.09% |
| Thomas Gleixner |
1 |
0.38% |
1 |
9.09% |
| Total |
261 |
|
11 |
|
// SPDX-License-Identifier: GPL-2.0-or-later
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/sw842.h>
#include <linux/vmalloc.h>
#include "backend_842.h"
static void release_params_842(struct zcomp_params *params)
{
}
static int setup_params_842(struct zcomp_params *params)
{
return 0;
}
static void destroy_842(struct zcomp_ctx *ctx)
{
kfree(ctx->context);
}
static int create_842(struct zcomp_params *params, struct zcomp_ctx *ctx)
{
ctx->context = kmalloc(SW842_MEM_COMPRESS, GFP_KERNEL);
if (!ctx->context)
return -ENOMEM;
return 0;
}
static int compress_842(struct zcomp_params *params, struct zcomp_ctx *ctx,
struct zcomp_req *req)
{
unsigned int dlen = req->dst_len;
int ret;
ret = sw842_compress(req->src, req->src_len, req->dst, &dlen,
ctx->context);
if (ret == 0)
req->dst_len = dlen;
return ret;
}
static int decompress_842(struct zcomp_params *params, struct zcomp_ctx *ctx,
struct zcomp_req *req)
{
unsigned int dlen = req->dst_len;
return sw842_decompress(req->src, req->src_len, req->dst, &dlen);
}
const struct zcomp_ops backend_842 = {
.compress = compress_842,
.decompress = decompress_842,
.create_ctx = create_842,
.destroy_ctx = destroy_842,
.setup_params = setup_params_842,
.release_params = release_params_842,
.name = "842",
};