1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
3 */
4
5 #include <rte_devargs.h>
6
7 #include "cnxk_cryptodev.h"
8
9 #define CNXK_MAX_QPS_LIMIT "max_qps_limit"
10 #define CNXK_MAX_QPS_LIMIT_MIN 1
11 #define CNXK_MAX_QPS_LIMIT_MAX (ROC_CPT_MAX_LFS - 1)
12
13 static int
parse_max_qps_limit(const char * key,const char * value,void * extra_args)14 parse_max_qps_limit(const char *key, const char *value, void *extra_args)
15 {
16 RTE_SET_USED(key);
17 uint32_t val;
18
19 val = atoi(value);
20
21 if (val < CNXK_MAX_QPS_LIMIT_MIN || val > CNXK_MAX_QPS_LIMIT_MAX)
22 return -EINVAL;
23
24 *(uint16_t *)extra_args = val;
25
26 return 0;
27 }
28
29 int
cnxk_cpt_parse_devargs(struct rte_devargs * devargs,struct cnxk_cpt_vf * vf)30 cnxk_cpt_parse_devargs(struct rte_devargs *devargs, struct cnxk_cpt_vf *vf)
31 {
32 uint16_t max_qps_limit = CNXK_MAX_QPS_LIMIT_MAX;
33 struct rte_kvargs *kvlist;
34 int rc;
35
36 if (devargs == NULL)
37 goto null_devargs;
38
39 kvlist = rte_kvargs_parse(devargs->args, NULL);
40 if (kvlist == NULL)
41 goto exit;
42
43 rc = rte_kvargs_process(kvlist, CNXK_MAX_QPS_LIMIT,
44 &parse_max_qps_limit, &max_qps_limit);
45 if (rc < 0) {
46 plt_err("max_qps_limit should in the range <%d-%d>",
47 CNXK_MAX_QPS_LIMIT_MIN, CNXK_MAX_QPS_LIMIT_MAX);
48 rte_kvargs_free(kvlist);
49 goto exit;
50 }
51 rte_kvargs_free(kvlist);
52
53 null_devargs:
54 vf->max_qps_limit = max_qps_limit;
55 return 0;
56
57 exit:
58 return -EINVAL;
59 }
60
61 RTE_PMD_REGISTER_PARAM_STRING(crypto_cnxk, CNXK_MAX_QPS_LIMIT "=<1-63>");
62