| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* Copyright (c) 2025 Broadcom */ |
| 3 | |
| 4 | #ifndef _BNGE_RMEM_H_ |
| 5 | #define _BNGE_RMEM_H_ |
| 6 | |
| 7 | struct bnge_ctx_mem_type; |
| 8 | struct bnge_dev; |
| 9 | struct bnge_net; |
| 10 | |
| 11 | #define PTU_PTE_VALID 0x1UL |
| 12 | #define PTU_PTE_LAST 0x2UL |
| 13 | #define PTU_PTE_NEXT_TO_LAST 0x4UL |
| 14 | |
| 15 | struct bnge_ring_mem_info { |
| 16 | /* Number of pages to next level */ |
| 17 | int nr_pages; |
| 18 | int page_size; |
| 19 | u16 flags; |
| 20 | #define BNGE_RMEM_VALID_PTE_FLAG 1 |
| 21 | #define BNGE_RMEM_RING_PTE_FLAG 2 |
| 22 | #define BNGE_RMEM_USE_FULL_PAGE_FLAG 4 |
| 23 | |
| 24 | u16 depth; |
| 25 | |
| 26 | void **pg_arr; |
| 27 | dma_addr_t *dma_arr; |
| 28 | |
| 29 | __le64 *pg_tbl; |
| 30 | dma_addr_t dma_pg_tbl; |
| 31 | |
| 32 | int vmem_size; |
| 33 | void **vmem; |
| 34 | |
| 35 | struct bnge_ctx_mem_type *ctx_mem; |
| 36 | }; |
| 37 | |
| 38 | /* The hardware supports certain page sizes. |
| 39 | * Use the supported page sizes to allocate the rings. |
| 40 | */ |
| 41 | #if (PAGE_SHIFT < 12) |
| 42 | #define BNGE_PAGE_SHIFT 12 |
| 43 | #elif (PAGE_SHIFT <= 13) |
| 44 | #define BNGE_PAGE_SHIFT PAGE_SHIFT |
| 45 | #elif (PAGE_SHIFT < 16) |
| 46 | #define BNGE_PAGE_SHIFT 13 |
| 47 | #else |
| 48 | #define BNGE_PAGE_SHIFT 16 |
| 49 | #endif |
| 50 | #define BNGE_PAGE_SIZE (1 << BNGE_PAGE_SHIFT) |
| 51 | /* The RXBD length is 16-bit so we can only support page sizes < 64K */ |
| 52 | #if (PAGE_SHIFT > 15) |
| 53 | #define BNGE_RX_PAGE_SHIFT 15 |
| 54 | #else |
| 55 | #define BNGE_RX_PAGE_SHIFT PAGE_SHIFT |
| 56 | #endif |
| 57 | #define MAX_CTX_PAGES (BNGE_PAGE_SIZE / 8) |
| 58 | #define MAX_CTX_TOTAL_PAGES (MAX_CTX_PAGES * MAX_CTX_PAGES) |
| 59 | |
| 60 | struct bnge_ctx_pg_info { |
| 61 | u32 entries; |
| 62 | u32 nr_pages; |
| 63 | void *ctx_pg_arr[MAX_CTX_PAGES]; |
| 64 | dma_addr_t ctx_dma_arr[MAX_CTX_PAGES]; |
| 65 | struct bnge_ring_mem_info ring_mem; |
| 66 | struct bnge_ctx_pg_info **ctx_pg_tbl; |
| 67 | }; |
| 68 | |
| 69 | #define BNGE_MAX_TQM_SP_RINGS 1 |
| 70 | #define BNGE_MAX_TQM_FP_RINGS 8 |
| 71 | #define BNGE_MAX_TQM_RINGS \ |
| 72 | (BNGE_MAX_TQM_SP_RINGS + BNGE_MAX_TQM_FP_RINGS) |
| 73 | #define BNGE_BACKING_STORE_CFG_LEGACY_LEN 256 |
| 74 | #define BNGE_SET_CTX_PAGE_ATTR(attr) \ |
| 75 | do { \ |
| 76 | if (BNGE_PAGE_SIZE == 0x2000) \ |
| 77 | attr = FUNC_BACKING_STORE_CFG_REQ_SRQ_PG_SIZE_PG_8K; \ |
| 78 | else if (BNGE_PAGE_SIZE == 0x10000) \ |
| 79 | attr = FUNC_BACKING_STORE_CFG_REQ_QPC_PG_SIZE_PG_64K; \ |
| 80 | else \ |
| 81 | attr = FUNC_BACKING_STORE_CFG_REQ_QPC_PG_SIZE_PG_4K; \ |
| 82 | } while (0) |
| 83 | |
| 84 | #define BNGE_CTX_MRAV_AV_SPLIT_ENTRY 0 |
| 85 | |
| 86 | #define BNGE_CTX_QP \ |
| 87 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_QP |
| 88 | #define BNGE_CTX_SRQ \ |
| 89 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_SRQ |
| 90 | #define BNGE_CTX_CQ \ |
| 91 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_CQ |
| 92 | #define BNGE_CTX_VNIC \ |
| 93 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_VNIC |
| 94 | #define BNGE_CTX_STAT \ |
| 95 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_STAT |
| 96 | #define BNGE_CTX_STQM \ |
| 97 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_SP_TQM_RING |
| 98 | #define BNGE_CTX_FTQM \ |
| 99 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_FP_TQM_RING |
| 100 | #define BNGE_CTX_MRAV \ |
| 101 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_MRAV |
| 102 | #define BNGE_CTX_TIM \ |
| 103 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_TIM |
| 104 | #define BNGE_CTX_TCK \ |
| 105 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_TX_CK |
| 106 | #define BNGE_CTX_RCK \ |
| 107 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_RX_CK |
| 108 | #define BNGE_CTX_MTQM \ |
| 109 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_MP_TQM_RING |
| 110 | #define BNGE_CTX_SQDBS \ |
| 111 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_SQ_DB_SHADOW |
| 112 | #define BNGE_CTX_RQDBS \ |
| 113 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_RQ_DB_SHADOW |
| 114 | #define BNGE_CTX_SRQDBS \ |
| 115 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_SRQ_DB_SHADOW |
| 116 | #define BNGE_CTX_CQDBS \ |
| 117 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_CQ_DB_SHADOW |
| 118 | #define BNGE_CTX_SRT_TRACE \ |
| 119 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_SRT_TRACE |
| 120 | #define BNGE_CTX_SRT2_TRACE \ |
| 121 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_SRT2_TRACE |
| 122 | #define BNGE_CTX_CRT_TRACE \ |
| 123 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_CRT_TRACE |
| 124 | #define BNGE_CTX_CRT2_TRACE \ |
| 125 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_CRT2_TRACE |
| 126 | #define BNGE_CTX_RIGP0_TRACE \ |
| 127 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_RIGP0_TRACE |
| 128 | #define BNGE_CTX_L2_HWRM_TRACE \ |
| 129 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_L2_HWRM_TRACE |
| 130 | #define BNGE_CTX_ROCE_HWRM_TRACE \ |
| 131 | FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_ROCE_HWRM_TRACE |
| 132 | |
| 133 | #define BNGE_CTX_MAX (BNGE_CTX_TIM + 1) |
| 134 | #define BNGE_CTX_L2_MAX (BNGE_CTX_FTQM + 1) |
| 135 | #define BNGE_CTX_INV ((u16)-1) |
| 136 | |
| 137 | #define BNGE_CTX_V2_MAX \ |
| 138 | (FUNC_BACKING_STORE_QCAPS_V2_REQ_TYPE_ROCE_HWRM_TRACE + 1) |
| 139 | |
| 140 | #define BNGE_BS_CFG_ALL_DONE \ |
| 141 | FUNC_BACKING_STORE_CFG_V2_REQ_FLAGS_BS_CFG_ALL_DONE |
| 142 | |
| 143 | struct bnge_ctx_mem_type { |
| 144 | u16 type; |
| 145 | u16 entry_size; |
| 146 | u32 flags; |
| 147 | #define BNGE_CTX_MEM_TYPE_VALID \ |
| 148 | FUNC_BACKING_STORE_QCAPS_V2_RESP_FLAGS_TYPE_VALID |
| 149 | u32 instance_bmap; |
| 150 | u8 init_value; |
| 151 | u8 entry_multiple; |
| 152 | u16 init_offset; |
| 153 | #define BNGE_CTX_INIT_INVALID_OFFSET 0xffff |
| 154 | u32 max_entries; |
| 155 | u32 min_entries; |
| 156 | u8 last:1; |
| 157 | u8 split_entry_cnt; |
| 158 | #define BNGE_MAX_SPLIT_ENTRY 4 |
| 159 | union { |
| 160 | struct { |
| 161 | u32 qp_l2_entries; |
| 162 | u32 qp_qp1_entries; |
| 163 | u32 qp_fast_qpmd_entries; |
| 164 | }; |
| 165 | u32 srq_l2_entries; |
| 166 | u32 cq_l2_entries; |
| 167 | u32 vnic_entries; |
| 168 | struct { |
| 169 | u32 mrav_av_entries; |
| 170 | u32 mrav_num_entries_units; |
| 171 | }; |
| 172 | u32 split[BNGE_MAX_SPLIT_ENTRY]; |
| 173 | }; |
| 174 | struct bnge_ctx_pg_info *pg_info; |
| 175 | }; |
| 176 | |
| 177 | struct bnge_ctx_mem_info { |
| 178 | u8 tqm_fp_rings_count; |
| 179 | u32 flags; |
| 180 | #define BNGE_CTX_FLAG_INITED 0x01 |
| 181 | struct bnge_ctx_mem_type ctx_arr[BNGE_CTX_V2_MAX]; |
| 182 | }; |
| 183 | |
| 184 | struct bnge_ring_struct { |
| 185 | struct bnge_ring_mem_info ring_mem; |
| 186 | |
| 187 | u16 fw_ring_id; |
| 188 | union { |
| 189 | u16 grp_idx; |
| 190 | u16 map_idx; /* Used by NQs */ |
| 191 | }; |
| 192 | u32 handle; |
| 193 | u8 queue_id; |
| 194 | }; |
| 195 | |
| 196 | int bnge_alloc_ring(struct bnge_dev *bd, struct bnge_ring_mem_info *rmem); |
| 197 | void bnge_free_ring(struct bnge_dev *bd, struct bnge_ring_mem_info *rmem); |
| 198 | int bnge_alloc_ctx_mem(struct bnge_dev *bd); |
| 199 | void bnge_free_ctx_mem(struct bnge_dev *bd); |
| 200 | void bnge_init_ring_struct(struct bnge_net *bn); |
| 201 | |
| 202 | #endif /* _BNGE_RMEM_H_ */ |
| 203 | |