1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2020 Intel Corporation 3 */ 4 5 #include <stdlib.h> 6 #include <string.h> 7 8 #include "rte_pie.h" 9 #include <rte_malloc.h> 10 11 #ifdef __INTEL_COMPILER 12 #pragma warning(disable:2259) /* conversion may lose significant bits */ 13 #endif 14 15 int 16 rte_pie_rt_data_init(struct rte_pie *pie) 17 { 18 if (pie == NULL) { 19 RTE_LOG(ERR, SCHED, "%s: Invalid addr for pie\n", __func__); 20 return -EINVAL; 21 } 22 23 memset(pie, 0, sizeof(*pie)); 24 25 return 0; 26 } 27 28 int 29 rte_pie_config_init(struct rte_pie_config *pie_cfg, 30 const uint16_t qdelay_ref, 31 const uint16_t dp_update_interval, 32 const uint16_t max_burst, 33 const uint16_t tailq_th) 34 { 35 uint64_t tsc_hz = rte_get_tsc_hz(); 36 37 if (pie_cfg == NULL) 38 return -1; 39 40 if (qdelay_ref <= 0) { 41 RTE_LOG(ERR, SCHED, 42 "%s: Incorrect value for qdelay_ref\n", __func__); 43 return -EINVAL; 44 } 45 46 if (dp_update_interval <= 0) { 47 RTE_LOG(ERR, SCHED, 48 "%s: Incorrect value for dp_update_interval\n", __func__); 49 return -EINVAL; 50 } 51 52 if (max_burst <= 0) { 53 RTE_LOG(ERR, SCHED, 54 "%s: Incorrect value for max_burst\n", __func__); 55 return -EINVAL; 56 } 57 58 if (tailq_th <= 0) { 59 RTE_LOG(ERR, SCHED, 60 "%s: Incorrect value for tailq_th\n", __func__); 61 return -EINVAL; 62 } 63 64 pie_cfg->qdelay_ref = (tsc_hz * qdelay_ref) / 1000; 65 pie_cfg->dp_update_interval = (tsc_hz * dp_update_interval) / 1000; 66 pie_cfg->max_burst = (tsc_hz * max_burst) / 1000; 67 pie_cfg->tailq_th = tailq_th; 68 69 return 0; 70 } 71