1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2014-2018 Broadcom 3 * All rights reserved. 4 */ 5 6 #ifndef _BNXT_CPR_H_ 7 #define _BNXT_CPR_H_ 8 #include <stdbool.h> 9 10 #include <rte_io.h> 11 12 struct bnxt_db_info; 13 14 #define CMP_VALID(cmp, raw_cons, ring) \ 15 (!!(rte_le_to_cpu_32(((struct cmpl_base *)(cmp))->info3_v) & \ 16 CMPL_BASE_V) == !((raw_cons) & ((ring)->ring_size))) 17 18 #define CMPL_VALID(cmp, v) \ 19 (!!(rte_le_to_cpu_32(((struct cmpl_base *)(cmp))->info3_v) & \ 20 CMPL_BASE_V) == !(v)) 21 22 #define NQ_CMP_VALID(nqcmp, raw_cons, ring) \ 23 (!!((nqcmp)->v & rte_cpu_to_le_32(NQ_CN_V)) == \ 24 !((raw_cons) & ((ring)->ring_size))) 25 26 #define CMP_TYPE(cmp) \ 27 (((struct cmpl_base *)cmp)->type & CMPL_BASE_TYPE_MASK) 28 29 #define ADV_RAW_CMP(idx, n) ((idx) + (n)) 30 #define NEXT_RAW_CMP(idx) ADV_RAW_CMP(idx, 1) 31 #define RING_CMP(ring, idx) ((idx) & (ring)->ring_mask) 32 #define RING_CMPL(ring_mask, idx) ((idx) & (ring_mask)) 33 #define NEXT_CMP(idx) RING_CMP(ADV_RAW_CMP(idx, 1)) 34 #define FLIP_VALID(cons, mask, val) ((cons) >= (mask) ? !(val) : (val)) 35 36 #define DB_CP_REARM_FLAGS (DB_KEY_CP | DB_IDX_VALID) 37 #define DB_CP_FLAGS (DB_KEY_CP | DB_IDX_VALID | DB_IRQ_DIS) 38 39 #define NEXT_CMPL(cpr, idx, v, inc) do { \ 40 (idx) += (inc); \ 41 if (unlikely((idx) >= (cpr)->cp_ring_struct->ring_size)) { \ 42 (v) = !(v); \ 43 (idx) = 0; \ 44 } \ 45 } while (0) 46 #define B_CP_DB_REARM(cpr, raw_cons) \ 47 rte_write32((DB_CP_REARM_FLAGS | \ 48 RING_CMP(((cpr)->cp_ring_struct), raw_cons)), \ 49 ((cpr)->cp_db.doorbell)) 50 51 #define B_CP_DB_ARM(cpr) rte_write32((DB_KEY_CP), \ 52 ((cpr)->cp_db.doorbell)) 53 54 #define B_CP_DB_DISARM(cpr) (*(uint32_t *)((cpr)->cp_db.doorbell) = \ 55 DB_KEY_CP | DB_IRQ_DIS) 56 57 #define B_CP_DB_IDX_ARM(cpr, cons) \ 58 (*(uint32_t *)((cpr)->cp_db.doorbell) = (DB_CP_REARM_FLAGS | \ 59 (cons))) 60 61 #define B_CP_DB_IDX_DISARM(cpr, cons) do { \ 62 rte_smp_wmb(); \ 63 (*(uint32_t *)((cpr)->cp_db.doorbell) = (DB_CP_FLAGS | \ 64 (cons)); \ 65 } while (0) 66 #define B_CP_DIS_DB(cpr, raw_cons) \ 67 rte_write32_relaxed((DB_CP_FLAGS | \ 68 RING_CMP(((cpr)->cp_ring_struct), raw_cons)), \ 69 ((cpr)->cp_db.doorbell)) 70 71 #define B_CP_DB(cpr, raw_cons, ring_mask) \ 72 rte_write32((DB_CP_FLAGS | \ 73 RING_CMPL((ring_mask), raw_cons)), \ 74 ((cpr)->cp_db.doorbell)) 75 76 struct bnxt_db_info { 77 void *doorbell; 78 union { 79 uint64_t db_key64; 80 uint32_t db_key32; 81 }; 82 bool db_64; 83 }; 84 85 struct bnxt_ring; 86 struct bnxt_cp_ring_info { 87 uint32_t cp_raw_cons; 88 89 struct cmpl_base *cp_desc_ring; 90 struct bnxt_db_info cp_db; 91 rte_iova_t cp_desc_mapping; 92 93 struct ctx_hw_stats *hw_stats; 94 rte_iova_t hw_stats_map; 95 uint32_t hw_stats_ctx_id; 96 97 struct bnxt_ring *cp_ring_struct; 98 uint16_t cp_cons; 99 bool valid; 100 }; 101 102 #define RX_CMP_L2_ERRORS \ 103 (RX_PKT_CMPL_ERRORS_BUFFER_ERROR_MASK | RX_PKT_CMPL_ERRORS_CRC_ERROR) 104 105 struct bnxt; 106 void bnxt_handle_async_event(struct bnxt *bp, struct cmpl_base *cmp); 107 void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmp); 108 int bnxt_event_hwrm_resp_handler(struct bnxt *bp, struct cmpl_base *cmp); 109 void bnxt_dev_reset_and_resume(void *arg); 110 void bnxt_wait_for_device_shutdown(struct bnxt *bp); 111 112 #define EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL \ 113 HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL 114 #define EVENT_DATA1_REASON_CODE_MASK \ 115 HWRM_ASYNC_EVENT_CMPL_RESET_NOTIFY_EVENT_DATA1_REASON_CODE_MASK 116 117 #define EVENT_DATA1_FLAGS_MASK \ 118 HWRM_ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_MASK 119 120 #define EVENT_DATA1_FLAGS_MASTER_FUNC \ 121 HWRM_ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_MASTER_FUNC 122 123 #define EVENT_DATA1_FLAGS_RECOVERY_ENABLED \ 124 HWRM_ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_RECOVERY_ENABLED 125 126 bool bnxt_is_recovery_enabled(struct bnxt *bp); 127 bool bnxt_is_master_func(struct bnxt *bp); 128 129 void bnxt_stop_rxtx(struct bnxt *bp); 130 #endif 131