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 64struct 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 120struct cnic_ctx { 121 u32 cid; 122 void *ctx; 123 dma_addr_t mapping; 124}; 125 126#define BNX2_MAX_CID 0x2000 127 128struct 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 137struct 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 147struct kwqe_16_data { 148 u8 data[CNIC_KWQ16_DATA_SIZE]; 149}; 150 151struct cnic_iscsi { 152 struct cnic_dma task_array_info; 153 struct cnic_dma r2tq_info; 154 struct cnic_dma hq_info; 155}; 156 157struct 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 172struct 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 287struct 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 300 301