drivers: fix typo in NXP comments
[dpdk.git] / drivers / bus / fslmc / qbman / qbman_debug.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright (C) 2015 Freescale Semiconductor, Inc.
3  */
4
5 #include "compat.h"
6 #include <fsl_qbman_debug.h>
7 #include "qbman_portal.h"
8
9 /* QBMan portal management command code */
10 #define QBMAN_BP_QUERY            0x32
11 #define QBMAN_FQ_QUERY            0x44
12 #define QBMAN_FQ_QUERY_NP         0x45
13 #define QBMAN_WQ_QUERY            0x47
14 #define QBMAN_CGR_QUERY           0x51
15 #define QBMAN_WRED_QUERY          0x54
16 #define QBMAN_CGR_STAT_QUERY      0x55
17 #define QBMAN_CGR_STAT_QUERY_CLR  0x56
18
19 struct qbman_fq_query_desc {
20         uint8_t verb;
21         uint8_t reserved[3];
22         uint32_t fqid;
23         uint8_t reserved2[57];
24 };
25
26 int qbman_fq_query_state(struct qbman_swp *s, uint32_t fqid,
27                          struct qbman_fq_query_np_rslt *r)
28 {
29         struct qbman_fq_query_desc *p;
30
31         p = (struct qbman_fq_query_desc *)qbman_swp_mc_start(s);
32         if (!p)
33                 return -EBUSY;
34
35         p->fqid = fqid;
36         *r = *(struct qbman_fq_query_np_rslt *)qbman_swp_mc_complete(s, p,
37                                                 QBMAN_FQ_QUERY_NP);
38         if (!r) {
39                 pr_err("qbman: Query FQID %d NP fields failed, no response\n",
40                        fqid);
41                 return -EIO;
42         }
43
44         /* Decode the outcome */
45         QBMAN_BUG_ON((r->verb & QBMAN_RESPONSE_VERB_MASK) != QBMAN_FQ_QUERY_NP);
46
47         /* Determine success or failure */
48         if (r->rslt != QBMAN_MC_RSLT_OK) {
49                 pr_err("Query NP fields of FQID 0x%x failed, code=0x%02x\n",
50                        fqid, r->rslt);
51                 return -EIO;
52         }
53
54         return 0;
55 }
56
57 uint32_t qbman_fq_state_frame_count(const struct qbman_fq_query_np_rslt *r)
58 {
59         return (r->frm_cnt & 0x00FFFFFF);
60 }
61
62 uint32_t qbman_fq_state_byte_count(const struct qbman_fq_query_np_rslt *r)
63 {
64         return r->byte_cnt;
65 }