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[56]; 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 struct qbman_fq_query_np_rslt *var; 31 32 p = (struct qbman_fq_query_desc *)qbman_swp_mc_start(s); 33 if (!p) 34 return -EBUSY; 35 36 p->fqid = fqid; 37 var = qbman_swp_mc_complete(s, p, QBMAN_FQ_QUERY_NP); 38 if (!var) { 39 pr_err("qbman: Query FQID %d NP fields failed, no response\n", 40 fqid); 41 return -EIO; 42 } 43 *r = *var; 44 45 /* Decode the outcome */ 46 QBMAN_BUG_ON((r->verb & QBMAN_RESPONSE_VERB_MASK) != QBMAN_FQ_QUERY_NP); 47 48 /* Determine success or failure */ 49 if (r->rslt != QBMAN_MC_RSLT_OK) { 50 pr_err("Query NP fields of FQID 0x%x failed, code=0x%02x\n", 51 fqid, r->rslt); 52 return -EIO; 53 } 54 55 return 0; 56 } 57 58 uint32_t qbman_fq_state_frame_count(const struct qbman_fq_query_np_rslt *r) 59 { 60 return (r->frm_cnt & 0x00FFFFFF); 61 } 62 63 uint32_t qbman_fq_state_byte_count(const struct qbman_fq_query_np_rslt *r) 64 { 65 return r->byte_cnt; 66 } 67