| 1 | /* cnic.h: Broadcom CNIC core network driver. |
| 2 | * |
| 3 | * Copyright (c) 2006-2009 Broadcom Corporation |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation. |
| 8 | * |
| 9 | */ |
| 10 | |
| 11 | |
| 12 | #ifndef CNIC_H |
| 13 | #define CNIC_H |
| 14 | |
| 15 | #define KWQ_PAGE_CNT 4 |
| 16 | #define KCQ_PAGE_CNT 16 |
| 17 | |
| 18 | #define KWQ_CID 24 |
| 19 | #define KCQ_CID 25 |
| 20 | |
| 21 | /* |
| 22 | * krnlq_context definition |
| 23 | */ |
| 24 | #define L5_KRNLQ_FLAGS 0x00000000 |
| 25 | #define L5_KRNLQ_SIZE 0x00000000 |
| 26 | #define L5_KRNLQ_TYPE 0x00000000 |
| 27 | #define KRNLQ_FLAGS_PG_SZ (0xf<<0) |
| 28 | #define KRNLQ_FLAGS_PG_SZ_256 (0<<0) |
| 29 | #define KRNLQ_FLAGS_PG_SZ_512 (1<<0) |
| 30 | #define KRNLQ_FLAGS_PG_SZ_1K (2<<0) |
| 31 | #define KRNLQ_FLAGS_PG_SZ_2K (3<<0) |
| 32 | #define KRNLQ_FLAGS_PG_SZ_4K (4<<0) |
| 33 | #define KRNLQ_FLAGS_PG_SZ_8K (5<<0) |
| 34 | #define KRNLQ_FLAGS_PG_SZ_16K (6<<0) |
| 35 | #define KRNLQ_FLAGS_PG_SZ_32K (7<<0) |
| 36 | #define KRNLQ_FLAGS_PG_SZ_64K (8<<0) |
| 37 | #define KRNLQ_FLAGS_PG_SZ_128K (9<<0) |
| 38 | #define KRNLQ_FLAGS_PG_SZ_256K (10<<0) |
| 39 | #define KRNLQ_FLAGS_PG_SZ_512K (11<<0) |
| 40 | #define KRNLQ_FLAGS_PG_SZ_1M (12<<0) |
| 41 | #define KRNLQ_FLAGS_PG_SZ_2M (13<<0) |
| 42 | #define KRNLQ_FLAGS_QE_SELF_SEQ (1<<15) |
| 43 | #define KRNLQ_SIZE_TYPE_SIZE ((((0x28 + 0x1f) & ~0x1f) / 0x20) << 16) |
| 44 | #define KRNLQ_TYPE_TYPE (0xf<<28) |
| 45 | #define KRNLQ_TYPE_TYPE_EMPTY (0<<28) |
| 46 | #define KRNLQ_TYPE_TYPE_KRNLQ (6<<28) |
| 47 | |
| 48 | #define L5_KRNLQ_HOST_QIDX 0x00000004 |
| 49 | #define L5_KRNLQ_HOST_FW_QIDX 0x00000008 |
| 50 | #define L5_KRNLQ_NX_QE_SELF_SEQ 0x0000000c |
| 51 | #define L5_KRNLQ_QE_SELF_SEQ_MAX 0x0000000c |
| 52 | #define L5_KRNLQ_NX_QE_HADDR_HI 0x00000010 |
| 53 | #define L5_KRNLQ_NX_QE_HADDR_LO 0x00000014 |
| 54 | #define L5_KRNLQ_PGTBL_PGIDX 0x00000018 |
| 55 | #define L5_KRNLQ_NX_PG_QIDX 0x00000018 |
| 56 | #define L5_KRNLQ_PGTBL_NPAGES 0x0000001c |
| 57 | #define L5_KRNLQ_QIDX_INCR 0x0000001c |
| 58 | #define L5_KRNLQ_PGTBL_HADDR_HI 0x00000020 |
| 59 | #define L5_KRNLQ_PGTBL_HADDR_LO 0x00000024 |
| 60 | |
| 61 | #define BNX2_PG_CTX_MAP 0x1a0034 |
| 62 | #define BNX2_ISCSI_CTX_MAP 0x1a0074 |
| 63 | |
| 64 | struct cnic_redirect_entry { |
| 65 | struct dst_entry *old_dst; |
| 66 | struct dst_entry *new_dst; |
| 67 | }; |
| 68 | |
| 69 | #define MAX_COMPLETED_KCQE 64 |
| 70 | |
| 71 | #define MAX_CNIC_L5_CONTEXT 256 |
| 72 | |
| 73 | #define MAX_CM_SK_TBL_SZ MAX_CNIC_L5_CONTEXT |
| 74 | |
| 75 | #define MAX_ISCSI_TBL_SZ 256 |
| 76 | |
| 77 | #define CNIC_LOCAL_PORT_MIN 60000 |
| 78 | #define CNIC_LOCAL_PORT_MAX 61000 |
| 79 | #define CNIC_LOCAL_PORT_RANGE (CNIC_LOCAL_PORT_MAX - CNIC_LOCAL_PORT_MIN) |
| 80 | |
| 81 | #define KWQE_CNT (BCM_PAGE_SIZE / sizeof(struct kwqe)) |
| 82 | #define KCQE_CNT (BCM_PAGE_SIZE / sizeof(struct kcqe)) |
| 83 | #define MAX_KWQE_CNT (KWQE_CNT - 1) |
| 84 | #define MAX_KCQE_CNT (KCQE_CNT - 1) |
| 85 | |
| 86 | #define MAX_KWQ_IDX ((KWQ_PAGE_CNT * KWQE_CNT) - 1) |
| 87 | #define MAX_KCQ_IDX ((KCQ_PAGE_CNT * KCQE_CNT) - 1) |
| 88 | |
| 89 | #define KWQ_PG(x) (((x) & ~MAX_KWQE_CNT) >> (BCM_PAGE_BITS - 5)) |
| 90 | #define KWQ_IDX(x) ((x) & MAX_KWQE_CNT) |
| 91 | |
| 92 | #define KCQ_PG(x) (((x) & ~MAX_KCQE_CNT) >> (BCM_PAGE_BITS - 5)) |
| 93 | #define KCQ_IDX(x) ((x) & MAX_KCQE_CNT) |
| 94 | |
| 95 | #define BNX2X_NEXT_KCQE(x) (((x) & (MAX_KCQE_CNT - 1)) == \ |
| 96 | (MAX_KCQE_CNT - 1)) ? \ |
| 97 | (x) + 2 : (x) + 1 |
| 98 | |
| 99 | #define BNX2X_KWQ_DATA_PG(cp, x) ((x) / (cp)->kwq_16_data_pp) |
| 100 | #define BNX2X_KWQ_DATA_IDX(cp, x) ((x) % (cp)->kwq_16_data_pp) |
| 101 | #define BNX2X_KWQ_DATA(cp, x) \ |
| 102 | &(cp)->kwq_16_data[BNX2X_KWQ_DATA_PG(cp, x)][BNX2X_KWQ_DATA_IDX(cp, x)] |
| 103 | |
| 104 | #define DEF_IPID_COUNT 0xc001 |
| 105 | |
| 106 | #define DEF_KA_TIMEOUT 10000 |
| 107 | #define DEF_KA_INTERVAL 300000 |
| 108 | #define DEF_KA_MAX_PROBE_COUNT 3 |
| 109 | #define DEF_TOS 0 |
| 110 | #define DEF_TTL 0xfe |
| 111 | #define DEF_SND_SEQ_SCALE 0 |
| 112 | #define DEF_RCV_BUF 0xffff |
| 113 | #define DEF_SND_BUF 0xffff |
| 114 | #define DEF_SEED 0 |
| 115 | #define DEF_MAX_RT_TIME 500 |
| 116 | #define DEF_MAX_DA_COUNT 2 |
| 117 | #define DEF_SWS_TIMER 1000 |
| 118 | #define DEF_MAX_CWND 0xffff |
| 119 | |
| 120 | struct cnic_ctx { |
| 121 | u32 cid; |
| 122 | void *ctx; |
| 123 | dma_addr_t mapping; |
| 124 | }; |
| 125 | |
| 126 | #define BNX2_MAX_CID 0x2000 |
| 127 | |
| 128 | struct cnic_dma { |
| 129 | int num_pages; |
| 130 | void **pg_arr; |
| 131 | dma_addr_t *pg_map_arr; |
| 132 | int pgtbl_size; |
| 133 | u32 *pgtbl; |
| 134 | dma_addr_t pgtbl_map; |
| 135 | }; |
| 136 | |
| 137 | struct cnic_id_tbl { |
| 138 | spinlock_t lock; |
| 139 | u32 start; |
| 140 | u32 max; |
| 141 | u32 next; |
| 142 | unsigned long *table; |
| 143 | }; |
| 144 | |
| 145 | #define CNIC_KWQ16_DATA_SIZE 128 |
| 146 | |
| 147 | struct kwqe_16_data { |
| 148 | u8 data[CNIC_KWQ16_DATA_SIZE]; |
| 149 | }; |
| 150 | |
| 151 | struct cnic_iscsi { |
| 152 | struct cnic_dma task_array_info; |
| 153 | struct cnic_dma r2tq_info; |
| 154 | struct cnic_dma hq_info; |
| 155 | }; |
| 156 | |
| 157 | struct cnic_context { |
| 158 | u32 cid; |
| 159 | struct kwqe_16_data *kwqe_data; |
| 160 | dma_addr_t kwqe_data_mapping; |
| 161 | wait_queue_head_t waitq; |
| 162 | int wait_cond; |
| 163 | unsigned long timestamp; |
| 164 | u32 ctx_flags; |
| 165 | #define CTX_FL_OFFLD_START 0x00000001 |
| 166 | u8 ulp_proto_id; |
| 167 | union { |
| 168 | struct cnic_iscsi *iscsi; |
| 169 | } proto; |
| 170 | }; |
| 171 | |
| 172 | struct cnic_local { |
| 173 | |
| 174 | spinlock_t cnic_ulp_lock; |
| 175 | void *ulp_handle[MAX_CNIC_ULP_TYPE]; |
| 176 | unsigned long ulp_flags[MAX_CNIC_ULP_TYPE]; |
| 177 | #define ULP_F_INIT 0 |
| 178 | #define ULP_F_START 1 |
| 179 | #define ULP_F_CALL_PENDING 2 |
| 180 | struct cnic_ulp_ops *ulp_ops[MAX_CNIC_ULP_TYPE]; |
| 181 | |
| 182 | /* protected by ulp_lock */ |
| 183 | u32 cnic_local_flags; |
| 184 | #define CNIC_LCL_FL_KWQ_INIT 0x00000001 |
| 185 | |
| 186 | struct cnic_dev *dev; |
| 187 | |
| 188 | struct cnic_eth_dev *ethdev; |
| 189 | |
| 190 | void *l2_ring; |
| 191 | dma_addr_t l2_ring_map; |
| 192 | int l2_ring_size; |
| 193 | int l2_rx_ring_size; |
| 194 | |
| 195 | void *l2_buf; |
| 196 | dma_addr_t l2_buf_map; |
| 197 | int l2_buf_size; |
| 198 | int l2_single_buf_size; |
| 199 | |
| 200 | u16 *rx_cons_ptr; |
| 201 | u16 *tx_cons_ptr; |
| 202 | u16 rx_cons; |
| 203 | u16 tx_cons; |
| 204 | |
| 205 | u32 kwq_cid_addr; |
| 206 | u32 kcq_cid_addr; |
| 207 | |
| 208 | struct cnic_dma kwq_info; |
| 209 | struct kwqe **kwq; |
| 210 | |
| 211 | struct cnic_dma kwq_16_data_info; |
| 212 | |
| 213 | u16 max_kwq_idx; |
| 214 | |
| 215 | u16 kwq_prod_idx; |
| 216 | u32 kwq_io_addr; |
| 217 | |
| 218 | u16 *kwq_con_idx_ptr; |
| 219 | u16 kwq_con_idx; |
| 220 | |
| 221 | struct cnic_dma kcq_info; |
| 222 | struct kcqe **kcq; |
| 223 | |
| 224 | u16 kcq_prod_idx; |
| 225 | u32 kcq_io_addr; |
| 226 | |
| 227 | void *status_blk; |
| 228 | struct status_block_msix *bnx2_status_blk; |
| 229 | struct host_status_block *bnx2x_status_blk; |
| 230 | |
| 231 | u32 status_blk_num; |
| 232 | u32 int_num; |
| 233 | u32 last_status_idx; |
| 234 | struct tasklet_struct cnic_irq_task; |
| 235 | |
| 236 | struct kcqe *completed_kcq[MAX_COMPLETED_KCQE]; |
| 237 | |
| 238 | struct cnic_sock *csk_tbl; |
| 239 | struct cnic_id_tbl csk_port_tbl; |
| 240 | |
| 241 | struct cnic_dma conn_buf_info; |
| 242 | struct cnic_dma gbl_buf_info; |
| 243 | |
| 244 | struct cnic_iscsi *iscsi_tbl; |
| 245 | struct cnic_context *ctx_tbl; |
| 246 | struct cnic_id_tbl cid_tbl; |
| 247 | int max_iscsi_conn; |
| 248 | atomic_t iscsi_conn; |
| 249 | |
| 250 | /* per connection parameters */ |
| 251 | int num_iscsi_tasks; |
| 252 | int num_ccells; |
| 253 | int task_array_size; |
| 254 | int r2tq_size; |
| 255 | int hq_size; |
| 256 | int num_cqs; |
| 257 | |
| 258 | struct cnic_ctx *ctx_arr; |
| 259 | int ctx_blks; |
| 260 | int ctx_blk_size; |
| 261 | int cids_per_blk; |
| 262 | |
| 263 | u32 chip_id; |
| 264 | int func; |
| 265 | u32 shmem_base; |
| 266 | |
| 267 | u32 uio_dev; |
| 268 | struct uio_info *cnic_uinfo; |
| 269 | |
| 270 | struct cnic_ops *cnic_ops; |
| 271 | int (*start_hw)(struct cnic_dev *); |
| 272 | void (*stop_hw)(struct cnic_dev *); |
| 273 | void (*setup_pgtbl)(struct cnic_dev *, |
| 274 | struct cnic_dma *); |
| 275 | int (*alloc_resc)(struct cnic_dev *); |
| 276 | void (*free_resc)(struct cnic_dev *); |
| 277 | int (*start_cm)(struct cnic_dev *); |
| 278 | void (*stop_cm)(struct cnic_dev *); |
| 279 | void (*enable_int)(struct cnic_dev *); |
| 280 | void (*disable_int_sync)(struct cnic_dev *); |
| 281 | void (*ack_int)(struct cnic_dev *); |
| 282 | void (*close_conn)(struct cnic_sock *, u32 opcode); |
| 283 | u16 (*next_idx)(u16); |
| 284 | u16 (*hw_idx)(u16); |
| 285 | }; |
| 286 | |
| 287 | struct bnx2x_bd_chain_next { |
| 288 | u32 addr_lo; |
| 289 | u32 addr_hi; |
| 290 | u8 reserved[8]; |
| 291 | }; |
| 292 | |
| 293 | #define ISCSI_RAMROD_CMD_ID_UPDATE_CONN (ISCSI_KCQE_OPCODE_UPDATE_CONN) |
| 294 | #define ISCSI_RAMROD_CMD_ID_INIT (ISCSI_KCQE_OPCODE_INIT) |
| 295 | |
| 296 | #define CDU_REGION_NUMBER_XCM_AG 2 |
| 297 | #define CDU_REGION_NUMBER_UCM_AG 4 |
| 298 | |
| 299 | #endif |
| 300 | |