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13 #ifndef CNIC_H
14 #define CNIC_H
15
16 #define HC_INDEX_ISCSI_EQ_CONS 6
17
18 #define HC_INDEX_FCOE_EQ_CONS 3
19
20 #define HC_SP_INDEX_ETH_ISCSI_CQ_CONS 5
21 #define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS 1
22
23 #define KWQ_PAGE_CNT 4
24 #define KCQ_PAGE_CNT 16
25
26 #define KWQ_CID 24
27 #define KCQ_CID 25
28
29
30
31
32 #define L5_KRNLQ_FLAGS 0x00000000
33 #define L5_KRNLQ_SIZE 0x00000000
34 #define L5_KRNLQ_TYPE 0x00000000
35 #define KRNLQ_FLAGS_PG_SZ (0xf<<0)
36 #define KRNLQ_FLAGS_PG_SZ_256 (0<<0)
37 #define KRNLQ_FLAGS_PG_SZ_512 (1<<0)
38 #define KRNLQ_FLAGS_PG_SZ_1K (2<<0)
39 #define KRNLQ_FLAGS_PG_SZ_2K (3<<0)
40 #define KRNLQ_FLAGS_PG_SZ_4K (4<<0)
41 #define KRNLQ_FLAGS_PG_SZ_8K (5<<0)
42 #define KRNLQ_FLAGS_PG_SZ_16K (6<<0)
43 #define KRNLQ_FLAGS_PG_SZ_32K (7<<0)
44 #define KRNLQ_FLAGS_PG_SZ_64K (8<<0)
45 #define KRNLQ_FLAGS_PG_SZ_128K (9<<0)
46 #define KRNLQ_FLAGS_PG_SZ_256K (10<<0)
47 #define KRNLQ_FLAGS_PG_SZ_512K (11<<0)
48 #define KRNLQ_FLAGS_PG_SZ_1M (12<<0)
49 #define KRNLQ_FLAGS_PG_SZ_2M (13<<0)
50 #define KRNLQ_FLAGS_QE_SELF_SEQ (1<<15)
51 #define KRNLQ_SIZE_TYPE_SIZE ((((0x28 + 0x1f) & ~0x1f) / 0x20) << 16)
52 #define KRNLQ_TYPE_TYPE (0xf<<28)
53 #define KRNLQ_TYPE_TYPE_EMPTY (0<<28)
54 #define KRNLQ_TYPE_TYPE_KRNLQ (6<<28)
55
56 #define L5_KRNLQ_HOST_QIDX 0x00000004
57 #define L5_KRNLQ_HOST_FW_QIDX 0x00000008
58 #define L5_KRNLQ_NX_QE_SELF_SEQ 0x0000000c
59 #define L5_KRNLQ_QE_SELF_SEQ_MAX 0x0000000c
60 #define L5_KRNLQ_NX_QE_HADDR_HI 0x00000010
61 #define L5_KRNLQ_NX_QE_HADDR_LO 0x00000014
62 #define L5_KRNLQ_PGTBL_PGIDX 0x00000018
63 #define L5_KRNLQ_NX_PG_QIDX 0x00000018
64 #define L5_KRNLQ_PGTBL_NPAGES 0x0000001c
65 #define L5_KRNLQ_QIDX_INCR 0x0000001c
66 #define L5_KRNLQ_PGTBL_HADDR_HI 0x00000020
67 #define L5_KRNLQ_PGTBL_HADDR_LO 0x00000024
68
69 #define BNX2_PG_CTX_MAP 0x1a0034
70 #define BNX2_ISCSI_CTX_MAP 0x1a0074
71
72 #define MAX_COMPLETED_KCQE 64
73
74 #define MAX_CNIC_L5_CONTEXT 256
75
76 #define MAX_CM_SK_TBL_SZ MAX_CNIC_L5_CONTEXT
77
78 #define MAX_ISCSI_TBL_SZ 256
79
80 #define CNIC_LOCAL_PORT_MIN 60000
81 #define CNIC_LOCAL_PORT_MAX 61024
82 #define CNIC_LOCAL_PORT_RANGE (CNIC_LOCAL_PORT_MAX - CNIC_LOCAL_PORT_MIN)
83
84 #define KWQE_CNT (BNX2_PAGE_SIZE / sizeof(struct kwqe))
85 #define KCQE_CNT (BNX2_PAGE_SIZE / sizeof(struct kcqe))
86 #define MAX_KWQE_CNT (KWQE_CNT - 1)
87 #define MAX_KCQE_CNT (KCQE_CNT - 1)
88
89 #define MAX_KWQ_IDX ((KWQ_PAGE_CNT * KWQE_CNT) - 1)
90 #define MAX_KCQ_IDX ((KCQ_PAGE_CNT * KCQE_CNT) - 1)
91
92 #define KWQ_PG(x) (((x) & ~MAX_KWQE_CNT) >> (BNX2_PAGE_BITS - 5))
93 #define KWQ_IDX(x) ((x) & MAX_KWQE_CNT)
94
95 #define KCQ_PG(x) (((x) & ~MAX_KCQE_CNT) >> (BNX2_PAGE_BITS - 5))
96 #define KCQ_IDX(x) ((x) & MAX_KCQE_CNT)
97
98 #define BNX2X_NEXT_KCQE(x) (((x) & (MAX_KCQE_CNT - 1)) == \
99 (MAX_KCQE_CNT - 1)) ? \
100 (x) + 2 : (x) + 1
101
102 #define BNX2X_KWQ_DATA_PG(cp, x) ((x) / (cp)->kwq_16_data_pp)
103 #define BNX2X_KWQ_DATA_IDX(cp, x) ((x) % (cp)->kwq_16_data_pp)
104 #define BNX2X_KWQ_DATA(cp, x) \
105 &(cp)->kwq_16_data[BNX2X_KWQ_DATA_PG(cp, x)][BNX2X_KWQ_DATA_IDX(cp, x)]
106
107 #define DEF_IPID_START 0x8000
108
109 #define DEF_KA_TIMEOUT 10000
110 #define DEF_KA_INTERVAL 300000
111 #define DEF_KA_MAX_PROBE_COUNT 3
112 #define DEF_TOS 0
113 #define DEF_TTL 0xfe
114 #define DEF_SND_SEQ_SCALE 0
115 #define DEF_RCV_BUF 0xffff
116 #define DEF_SND_BUF 0xffff
117 #define DEF_SEED 0
118 #define DEF_MAX_RT_TIME 500
119 #define DEF_MAX_DA_COUNT 2
120 #define DEF_SWS_TIMER 1000
121 #define DEF_MAX_CWND 0xffff
122
123 struct cnic_ctx {
124 u32 cid;
125 void *ctx;
126 dma_addr_t mapping;
127 };
128
129 #define BNX2_MAX_CID 0x2000
130
131 struct cnic_dma {
132 int num_pages;
133 void **pg_arr;
134 dma_addr_t *pg_map_arr;
135 int pgtbl_size;
136 u32 *pgtbl;
137 dma_addr_t pgtbl_map;
138 };
139
140 struct cnic_id_tbl {
141 spinlock_t lock;
142 u32 start;
143 u32 max;
144 u32 next;
145 unsigned long *table;
146 };
147
148 #define CNIC_KWQ16_DATA_SIZE 128
149
150 struct kwqe_16_data {
151 u8 data[CNIC_KWQ16_DATA_SIZE];
152 };
153
154 struct cnic_iscsi {
155 struct cnic_dma task_array_info;
156 struct cnic_dma r2tq_info;
157 struct cnic_dma hq_info;
158 };
159
160 struct cnic_context {
161 u32 cid;
162 struct kwqe_16_data *kwqe_data;
163 dma_addr_t kwqe_data_mapping;
164 wait_queue_head_t waitq;
165 int wait_cond;
166 unsigned long timestamp;
167 unsigned long ctx_flags;
168 #define CTX_FL_OFFLD_START 0
169 #define CTX_FL_DELETE_WAIT 1
170 #define CTX_FL_CID_ERROR 2
171 u8 ulp_proto_id;
172 union {
173 struct cnic_iscsi *iscsi;
174 } proto;
175 };
176
177 struct kcq_info {
178 struct cnic_dma dma;
179 struct kcqe **kcq;
180
181 u16 *hw_prod_idx_ptr;
182 u16 sw_prod_idx;
183 u16 *status_idx_ptr;
184 u32 io_addr;
185
186 u16 (*next_idx)(u16);
187 u16 (*hw_idx)(u16);
188 };
189
190 #define UIO_USE_TX_DOORBELL 0x017855DB
191
192 struct cnic_uio_dev {
193 struct uio_info cnic_uinfo;
194 u32 uio_dev;
195
196 int l2_ring_size;
197 void *l2_ring;
198 dma_addr_t l2_ring_map;
199
200 int l2_buf_size;
201 void *l2_buf;
202 dma_addr_t l2_buf_map;
203
204 struct cnic_dev *dev;
205 struct pci_dev *pdev;
206 struct list_head list;
207 };
208
209 struct cnic_local {
210
211 spinlock_t cnic_ulp_lock;
212 void *ulp_handle[MAX_CNIC_ULP_TYPE];
213 unsigned long ulp_flags[MAX_CNIC_ULP_TYPE];
214 #define ULP_F_INIT 0
215 #define ULP_F_START 1
216 #define ULP_F_CALL_PENDING 2
217 struct cnic_ulp_ops __rcu *ulp_ops[MAX_CNIC_ULP_TYPE];
218
219 unsigned long cnic_local_flags;
220 #define CNIC_LCL_FL_KWQ_INIT 0x0
221 #define CNIC_LCL_FL_L2_WAIT 0x1
222 #define CNIC_LCL_FL_RINGS_INITED 0x2
223 #define CNIC_LCL_FL_STOP_ISCSI 0x4
224
225 struct cnic_dev *dev;
226
227 struct cnic_eth_dev *ethdev;
228
229 struct cnic_uio_dev *udev;
230
231 int l2_rx_ring_size;
232 int l2_single_buf_size;
233
234 u16 *rx_cons_ptr;
235 u16 *tx_cons_ptr;
236 u16 rx_cons;
237 u16 tx_cons;
238
239 struct cnic_dma kwq_info;
240 struct kwqe **kwq;
241
242 struct cnic_dma kwq_16_data_info;
243
244 u16 max_kwq_idx;
245
246 u16 kwq_prod_idx;
247 u32 kwq_io_addr;
248
249 u16 *kwq_con_idx_ptr;
250 u16 kwq_con_idx;
251
252 struct kcq_info kcq1;
253 struct kcq_info kcq2;
254
255 union {
256 void *gen;
257 struct status_block_msix *bnx2;
258 struct host_hc_status_block_e1x *bnx2x_e1x;
259
260 #define SM_RX_ID 0
261 #define SM_TX_ID 1
262 } status_blk;
263
264 struct host_sp_status_block *bnx2x_def_status_blk;
265
266 u32 status_blk_num;
267 u32 bnx2x_igu_sb_id;
268 u32 int_num;
269 u32 last_status_idx;
270 struct tasklet_struct cnic_irq_task;
271
272 struct kcqe *completed_kcq[MAX_COMPLETED_KCQE];
273
274 struct cnic_sock *csk_tbl;
275 struct cnic_id_tbl csk_port_tbl;
276
277 struct cnic_dma gbl_buf_info;
278
279 struct cnic_iscsi *iscsi_tbl;
280 struct cnic_context *ctx_tbl;
281 struct cnic_id_tbl cid_tbl;
282 atomic_t iscsi_conn;
283 u32 iscsi_start_cid;
284
285 u32 fcoe_init_cid;
286 u32 fcoe_start_cid;
287 struct cnic_id_tbl fcoe_cid_tbl;
288
289 u32 max_cid_space;
290
291
292 int num_iscsi_tasks;
293 int num_ccells;
294 int task_array_size;
295 int r2tq_size;
296 int hq_size;
297 int num_cqs;
298
299 struct delayed_work delete_task;
300
301 struct cnic_ctx *ctx_arr;
302 int ctx_blks;
303 int ctx_blk_size;
304 unsigned long ctx_align;
305 int cids_per_blk;
306
307 u32 chip_id;
308 int func;
309
310 u32 shmem_base;
311
312 struct cnic_ops *cnic_ops;
313 int (*start_hw)(struct cnic_dev *);
314 void (*stop_hw)(struct cnic_dev *);
315 void (*setup_pgtbl)(struct cnic_dev *,
316 struct cnic_dma *);
317 int (*alloc_resc)(struct cnic_dev *);
318 void (*free_resc)(struct cnic_dev *);
319 int (*start_cm)(struct cnic_dev *);
320 void (*stop_cm)(struct cnic_dev *);
321 void (*enable_int)(struct cnic_dev *);
322 void (*disable_int_sync)(struct cnic_dev *);
323 void (*ack_int)(struct cnic_dev *);
324 void (*arm_int)(struct cnic_dev *, u32 index);
325 void (*close_conn)(struct cnic_sock *, u32 opcode);
326 };
327
328 struct bnx2x_bd_chain_next {
329 u32 addr_lo;
330 u32 addr_hi;
331 u8 reserved[8];
332 };
333
334 #define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T (1)
335
336 #define ISCSI_RAMROD_CMD_ID_UPDATE_CONN (ISCSI_KCQE_OPCODE_UPDATE_CONN)
337 #define ISCSI_RAMROD_CMD_ID_INIT (ISCSI_KCQE_OPCODE_INIT)
338
339 #define CDU_REGION_NUMBER_XCM_AG 2
340 #define CDU_REGION_NUMBER_UCM_AG 4
341
342 #define CDU_VALID_DATA(_cid, _region, _type) \
343 (((_cid) << 8) | (((_region)&0xf)<<4) | (((_type)&0xf)))
344
345 #define CDU_CRC8(_cid, _region, _type) \
346 (calc_crc8(CDU_VALID_DATA(_cid, _region, _type), 0xff))
347
348 #define CDU_RSRVD_VALUE_TYPE_A(_cid, _region, _type) \
349 (0x80 | ((CDU_CRC8(_cid, _region, _type)) & 0x7f))
350
351 #define BNX2X_CONTEXT_MEM_SIZE 1024
352 #define BNX2X_FCOE_CID 16
353
354 #define BNX2X_ISCSI_START_CID 18
355 #define BNX2X_ISCSI_NUM_CONNECTIONS 128
356 #define BNX2X_ISCSI_TASK_CONTEXT_SIZE 128
357 #define BNX2X_ISCSI_MAX_PENDING_R2TS 4
358 #define BNX2X_ISCSI_R2TQE_SIZE 8
359 #define BNX2X_ISCSI_HQ_BD_SIZE 64
360 #define BNX2X_ISCSI_GLB_BUF_SIZE 64
361 #define BNX2X_ISCSI_PBL_NOT_CACHED 0xff
362 #define BNX2X_ISCSI_PDU_HEADER_NOT_CACHED 0xff
363
364 #define BNX2X_FCOE_NUM_CONNECTIONS 1024
365
366 #define BNX2X_FCOE_L5_CID_BASE MAX_ISCSI_TBL_SZ
367
368 #define BNX2X_CHIP_IS_E2_PLUS(bp) (CHIP_IS_E2(bp) || CHIP_IS_E3(bp))
369
370 #define BNX2X_RX_DESC_CNT (BNX2_PAGE_SIZE / \
371 sizeof(struct eth_rx_bd))
372 #define BNX2X_MAX_RX_DESC_CNT (BNX2X_RX_DESC_CNT - 2)
373 #define BNX2X_RCQ_DESC_CNT (BNX2_PAGE_SIZE / \
374 sizeof(union eth_rx_cqe))
375 #define BNX2X_MAX_RCQ_DESC_CNT (BNX2X_RCQ_DESC_CNT - 1)
376
377 #define BNX2X_NEXT_RCQE(x) (((x) & BNX2X_MAX_RCQ_DESC_CNT) == \
378 (BNX2X_MAX_RCQ_DESC_CNT - 1)) ? \
379 ((x) + 2) : ((x) + 1)
380
381 #define BNX2X_DEF_SB_ID HC_SP_SB_ID
382
383 #define BNX2X_SHMEM_MF_BLK_OFFSET 0x7e4
384
385 #define BNX2X_SHMEM_ADDR(base, field) (base + \
386 offsetof(struct shmem_region, field))
387
388 #define BNX2X_SHMEM2_ADDR(base, field) (base + \
389 offsetof(struct shmem2_region, field))
390
391 #define BNX2X_SHMEM2_HAS(base, field) \
392 ((base) && \
393 (CNIC_RD(dev, BNX2X_SHMEM2_ADDR(base, size)) > \
394 offsetof(struct shmem2_region, field)))
395
396 #define BNX2X_MF_CFG_ADDR(base, field) \
397 ((base) + offsetof(struct mf_cfg, field))
398
399 #ifndef ETH_MAX_RX_CLIENTS_E2
400 #define ETH_MAX_RX_CLIENTS_E2 ETH_MAX_RX_CLIENTS_E1H
401 #endif
402
403 #define CNIC_FUNC(cp) ((cp)->func)
404
405 #define BNX2X_HW_CID(bp, x) ((BP_PORT(bp) << 23) | \
406 (BP_VN(bp) << 17) | (x))
407
408 #define BNX2X_SW_CID(x) (x & 0x1ffff)
409
410 #define BNX2X_CL_QZONE_ID(bp, cli) \
411 (BNX2X_CHIP_IS_E2_PLUS(bp) ? cli : \
412 cli + (BP_PORT(bp) * ETH_MAX_RX_CLIENTS_E1H))
413
414 #ifndef MAX_STAT_COUNTER_ID
415 #define MAX_STAT_COUNTER_ID \
416 (CHIP_IS_E1H(bp) ? MAX_STAT_COUNTER_ID_E1H : \
417 ((BNX2X_CHIP_IS_E2_PLUS(bp)) ? MAX_STAT_COUNTER_ID_E2 : \
418 MAX_STAT_COUNTER_ID_E1))
419 #endif
420
421 #define CNIC_SUPPORTS_FCOE(cp) \
422 (BNX2X_CHIP_IS_E2_PLUS(bp) && !NO_FCOE(bp))
423
424 #define CNIC_RAMROD_TMO (HZ / 4)
425
426 #endif
427