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 #define CMP_VALID(cmp, raw_cons, ring) \ 13 (!!(((struct cmpl_base *)(cmp))->info3_v & CMPL_BASE_V) == \ 14 !((raw_cons) & ((ring)->ring_size))) 15 16 #define CMPL_VALID(cmp, v) \ 17 (!!(((struct cmpl_base *)(cmp))->info3_v & CMPL_BASE_V) == !(v)) 18 19 #define CMP_TYPE(cmp) \ 20 (((struct cmpl_base *)cmp)->type & CMPL_BASE_TYPE_MASK) 21 22 #define ADV_RAW_CMP(idx, n) ((idx) + (n)) 23 #define NEXT_RAW_CMP(idx) ADV_RAW_CMP(idx, 1) 24 #define RING_CMP(ring, idx) ((idx) & (ring)->ring_mask) 25 #define RING_CMPL(ring_mask, idx) ((idx) & (ring_mask)) 26 #define NEXT_CMP(idx) RING_CMP(ADV_RAW_CMP(idx, 1)) 27 #define FLIP_VALID(cons, mask, val) ((cons) >= (mask) ? !(val) : (val)) 28 29 #define DB_CP_REARM_FLAGS (DB_KEY_CP | DB_IDX_VALID) 30 #define DB_CP_FLAGS (DB_KEY_CP | DB_IDX_VALID | DB_IRQ_DIS) 31 32 #define NEXT_CMPL(cpr, idx, v, inc) do { \ 33 (idx) += (inc); \ 34 if (unlikely((idx) == (cpr)->cp_ring_struct->ring_size)) { \ 35 (v) = !(v); \ 36 (idx) = 0; \ 37 } \ 38 } while (0) 39 #define B_CP_DB_REARM(cpr, raw_cons) \ 40 rte_write32((DB_CP_REARM_FLAGS | \ 41 RING_CMP(((cpr)->cp_ring_struct), raw_cons)), \ 42 ((cpr)->cp_doorbell)) 43 44 #define B_CP_DB_ARM(cpr) rte_write32((DB_KEY_CP), ((cpr)->cp_doorbell)) 45 #define B_CP_DB_DISARM(cpr) (*(uint32_t *)((cpr)->cp_doorbell) = \ 46 DB_KEY_CP | DB_IRQ_DIS) 47 48 #define B_CP_DB_IDX_ARM(cpr, cons) \ 49 (*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_REARM_FLAGS | \ 50 (cons))) 51 52 #define B_CP_DB_IDX_DISARM(cpr, cons) do { \ 53 rte_smp_wmb(); \ 54 (*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_FLAGS | \ 55 (cons)); \ 56 } while (0) 57 #define B_CP_DIS_DB(cpr, raw_cons) \ 58 rte_write32((DB_CP_FLAGS | \ 59 RING_CMP(((cpr)->cp_ring_struct), raw_cons)), \ 60 ((cpr)->cp_doorbell)) 61 #define B_CP_DB(cpr, raw_cons, ring_mask) \ 62 rte_write32((DB_CP_FLAGS | \ 63 RING_CMPL((ring_mask), raw_cons)), \ 64 ((cpr)->cp_doorbell)) 65 66 struct bnxt_ring; 67 struct bnxt_cp_ring_info { 68 uint32_t cp_raw_cons; 69 void *cp_doorbell; 70 71 struct cmpl_base *cp_desc_ring; 72 73 rte_iova_t cp_desc_mapping; 74 75 struct ctx_hw_stats *hw_stats; 76 rte_iova_t hw_stats_map; 77 uint32_t hw_stats_ctx_id; 78 79 struct bnxt_ring *cp_ring_struct; 80 uint16_t cp_cons; 81 bool valid; 82 }; 83 84 #define RX_CMP_L2_ERRORS \ 85 (RX_PKT_CMPL_ERRORS_BUFFER_ERROR_MASK | RX_PKT_CMPL_ERRORS_CRC_ERROR) 86 87 struct bnxt; 88 void bnxt_handle_async_event(struct bnxt *bp, struct cmpl_base *cmp); 89 void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmp); 90 int bnxt_event_hwrm_resp_handler(struct bnxt *bp, struct cmpl_base *cmp); 91 92 #endif 93