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a4636960 MC |
1 | /* cnic.h: Broadcom CNIC core network driver. |
2 | * | |
c3661283 | 3 | * Copyright (c) 2006-2014 Broadcom Corporation |
a4636960 MC |
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 | ||
523224a3 DK |
15 | #define HC_INDEX_ISCSI_EQ_CONS 6 |
16 | ||
17 | #define HC_INDEX_FCOE_EQ_CONS 3 | |
18 | ||
19 | #define HC_SP_INDEX_ETH_ISCSI_CQ_CONS 5 | |
20 | #define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS 1 | |
21 | ||
a4636960 MC |
22 | #define KWQ_PAGE_CNT 4 |
23 | #define KCQ_PAGE_CNT 16 | |
24 | ||
25 | #define KWQ_CID 24 | |
26 | #define KCQ_CID 25 | |
27 | ||
28 | /* | |
29 | * krnlq_context definition | |
30 | */ | |
31 | #define L5_KRNLQ_FLAGS 0x00000000 | |
32 | #define L5_KRNLQ_SIZE 0x00000000 | |
33 | #define L5_KRNLQ_TYPE 0x00000000 | |
34 | #define KRNLQ_FLAGS_PG_SZ (0xf<<0) | |
35 | #define KRNLQ_FLAGS_PG_SZ_256 (0<<0) | |
36 | #define KRNLQ_FLAGS_PG_SZ_512 (1<<0) | |
37 | #define KRNLQ_FLAGS_PG_SZ_1K (2<<0) | |
38 | #define KRNLQ_FLAGS_PG_SZ_2K (3<<0) | |
39 | #define KRNLQ_FLAGS_PG_SZ_4K (4<<0) | |
40 | #define KRNLQ_FLAGS_PG_SZ_8K (5<<0) | |
41 | #define KRNLQ_FLAGS_PG_SZ_16K (6<<0) | |
42 | #define KRNLQ_FLAGS_PG_SZ_32K (7<<0) | |
43 | #define KRNLQ_FLAGS_PG_SZ_64K (8<<0) | |
44 | #define KRNLQ_FLAGS_PG_SZ_128K (9<<0) | |
45 | #define KRNLQ_FLAGS_PG_SZ_256K (10<<0) | |
46 | #define KRNLQ_FLAGS_PG_SZ_512K (11<<0) | |
47 | #define KRNLQ_FLAGS_PG_SZ_1M (12<<0) | |
48 | #define KRNLQ_FLAGS_PG_SZ_2M (13<<0) | |
49 | #define KRNLQ_FLAGS_QE_SELF_SEQ (1<<15) | |
50 | #define KRNLQ_SIZE_TYPE_SIZE ((((0x28 + 0x1f) & ~0x1f) / 0x20) << 16) | |
51 | #define KRNLQ_TYPE_TYPE (0xf<<28) | |
52 | #define KRNLQ_TYPE_TYPE_EMPTY (0<<28) | |
53 | #define KRNLQ_TYPE_TYPE_KRNLQ (6<<28) | |
54 | ||
55 | #define L5_KRNLQ_HOST_QIDX 0x00000004 | |
56 | #define L5_KRNLQ_HOST_FW_QIDX 0x00000008 | |
57 | #define L5_KRNLQ_NX_QE_SELF_SEQ 0x0000000c | |
58 | #define L5_KRNLQ_QE_SELF_SEQ_MAX 0x0000000c | |
59 | #define L5_KRNLQ_NX_QE_HADDR_HI 0x00000010 | |
60 | #define L5_KRNLQ_NX_QE_HADDR_LO 0x00000014 | |
61 | #define L5_KRNLQ_PGTBL_PGIDX 0x00000018 | |
62 | #define L5_KRNLQ_NX_PG_QIDX 0x00000018 | |
63 | #define L5_KRNLQ_PGTBL_NPAGES 0x0000001c | |
64 | #define L5_KRNLQ_QIDX_INCR 0x0000001c | |
65 | #define L5_KRNLQ_PGTBL_HADDR_HI 0x00000020 | |
66 | #define L5_KRNLQ_PGTBL_HADDR_LO 0x00000024 | |
67 | ||
68 | #define BNX2_PG_CTX_MAP 0x1a0034 | |
69 | #define BNX2_ISCSI_CTX_MAP 0x1a0074 | |
70 | ||
a4636960 MC |
71 | #define MAX_COMPLETED_KCQE 64 |
72 | ||
73 | #define MAX_CNIC_L5_CONTEXT 256 | |
74 | ||
75 | #define MAX_CM_SK_TBL_SZ MAX_CNIC_L5_CONTEXT | |
76 | ||
77 | #define MAX_ISCSI_TBL_SZ 256 | |
78 | ||
79 | #define CNIC_LOCAL_PORT_MIN 60000 | |
9b093360 | 80 | #define CNIC_LOCAL_PORT_MAX 61024 |
a4636960 MC |
81 | #define CNIC_LOCAL_PORT_RANGE (CNIC_LOCAL_PORT_MAX - CNIC_LOCAL_PORT_MIN) |
82 | ||
2bc4078e MC |
83 | #define KWQE_CNT (BNX2_PAGE_SIZE / sizeof(struct kwqe)) |
84 | #define KCQE_CNT (BNX2_PAGE_SIZE / sizeof(struct kcqe)) | |
a4636960 MC |
85 | #define MAX_KWQE_CNT (KWQE_CNT - 1) |
86 | #define MAX_KCQE_CNT (KCQE_CNT - 1) | |
87 | ||
88 | #define MAX_KWQ_IDX ((KWQ_PAGE_CNT * KWQE_CNT) - 1) | |
89 | #define MAX_KCQ_IDX ((KCQ_PAGE_CNT * KCQE_CNT) - 1) | |
90 | ||
2bc4078e | 91 | #define KWQ_PG(x) (((x) & ~MAX_KWQE_CNT) >> (BNX2_PAGE_BITS - 5)) |
a4636960 MC |
92 | #define KWQ_IDX(x) ((x) & MAX_KWQE_CNT) |
93 | ||
2bc4078e | 94 | #define KCQ_PG(x) (((x) & ~MAX_KCQE_CNT) >> (BNX2_PAGE_BITS - 5)) |
a4636960 MC |
95 | #define KCQ_IDX(x) ((x) & MAX_KCQE_CNT) |
96 | ||
97 | #define BNX2X_NEXT_KCQE(x) (((x) & (MAX_KCQE_CNT - 1)) == \ | |
98 | (MAX_KCQE_CNT - 1)) ? \ | |
99 | (x) + 2 : (x) + 1 | |
100 | ||
101 | #define BNX2X_KWQ_DATA_PG(cp, x) ((x) / (cp)->kwq_16_data_pp) | |
102 | #define BNX2X_KWQ_DATA_IDX(cp, x) ((x) % (cp)->kwq_16_data_pp) | |
103 | #define BNX2X_KWQ_DATA(cp, x) \ | |
104 | &(cp)->kwq_16_data[BNX2X_KWQ_DATA_PG(cp, x)][BNX2X_KWQ_DATA_IDX(cp, x)] | |
105 | ||
a9736c08 | 106 | #define DEF_IPID_START 0x8000 |
a4636960 MC |
107 | |
108 | #define DEF_KA_TIMEOUT 10000 | |
109 | #define DEF_KA_INTERVAL 300000 | |
110 | #define DEF_KA_MAX_PROBE_COUNT 3 | |
111 | #define DEF_TOS 0 | |
112 | #define DEF_TTL 0xfe | |
113 | #define DEF_SND_SEQ_SCALE 0 | |
114 | #define DEF_RCV_BUF 0xffff | |
115 | #define DEF_SND_BUF 0xffff | |
116 | #define DEF_SEED 0 | |
117 | #define DEF_MAX_RT_TIME 500 | |
118 | #define DEF_MAX_DA_COUNT 2 | |
119 | #define DEF_SWS_TIMER 1000 | |
120 | #define DEF_MAX_CWND 0xffff | |
121 | ||
122 | struct cnic_ctx { | |
123 | u32 cid; | |
124 | void *ctx; | |
125 | dma_addr_t mapping; | |
126 | }; | |
127 | ||
128 | #define BNX2_MAX_CID 0x2000 | |
129 | ||
130 | struct cnic_dma { | |
131 | int num_pages; | |
132 | void **pg_arr; | |
133 | dma_addr_t *pg_map_arr; | |
134 | int pgtbl_size; | |
135 | u32 *pgtbl; | |
136 | dma_addr_t pgtbl_map; | |
137 | }; | |
138 | ||
139 | struct cnic_id_tbl { | |
140 | spinlock_t lock; | |
141 | u32 start; | |
142 | u32 max; | |
143 | u32 next; | |
144 | unsigned long *table; | |
145 | }; | |
146 | ||
147 | #define CNIC_KWQ16_DATA_SIZE 128 | |
148 | ||
149 | struct kwqe_16_data { | |
150 | u8 data[CNIC_KWQ16_DATA_SIZE]; | |
151 | }; | |
152 | ||
153 | struct cnic_iscsi { | |
154 | struct cnic_dma task_array_info; | |
155 | struct cnic_dma r2tq_info; | |
156 | struct cnic_dma hq_info; | |
157 | }; | |
158 | ||
159 | struct cnic_context { | |
160 | u32 cid; | |
161 | struct kwqe_16_data *kwqe_data; | |
162 | dma_addr_t kwqe_data_mapping; | |
163 | wait_queue_head_t waitq; | |
164 | int wait_cond; | |
165 | unsigned long timestamp; | |
6e0dda0c MC |
166 | unsigned long ctx_flags; |
167 | #define CTX_FL_OFFLD_START 0 | |
fdf24086 | 168 | #define CTX_FL_DELETE_WAIT 1 |
619c5cb6 | 169 | #define CTX_FL_CID_ERROR 2 |
a4636960 MC |
170 | u8 ulp_proto_id; |
171 | union { | |
172 | struct cnic_iscsi *iscsi; | |
173 | } proto; | |
174 | }; | |
175 | ||
e6c28894 MC |
176 | struct kcq_info { |
177 | struct cnic_dma dma; | |
178 | struct kcqe **kcq; | |
179 | ||
180 | u16 *hw_prod_idx_ptr; | |
181 | u16 sw_prod_idx; | |
182 | u16 *status_idx_ptr; | |
183 | u32 io_addr; | |
59e51373 MC |
184 | |
185 | u16 (*next_idx)(u16); | |
186 | u16 (*hw_idx)(u16); | |
e6c28894 MC |
187 | }; |
188 | ||
d15e2a92 EW |
189 | #define UIO_USE_TX_DOORBELL 0x017855DB |
190 | ||
cd801536 MC |
191 | struct cnic_uio_dev { |
192 | struct uio_info cnic_uinfo; | |
193 | u32 uio_dev; | |
194 | ||
195 | int l2_ring_size; | |
196 | void *l2_ring; | |
197 | dma_addr_t l2_ring_map; | |
198 | ||
199 | int l2_buf_size; | |
200 | void *l2_buf; | |
201 | dma_addr_t l2_buf_map; | |
202 | ||
203 | struct cnic_dev *dev; | |
204 | struct pci_dev *pdev; | |
205 | struct list_head list; | |
206 | }; | |
207 | ||
a4636960 MC |
208 | struct cnic_local { |
209 | ||
210 | spinlock_t cnic_ulp_lock; | |
211 | void *ulp_handle[MAX_CNIC_ULP_TYPE]; | |
212 | unsigned long ulp_flags[MAX_CNIC_ULP_TYPE]; | |
213 | #define ULP_F_INIT 0 | |
214 | #define ULP_F_START 1 | |
681dbd71 | 215 | #define ULP_F_CALL_PENDING 2 |
13707f9e | 216 | struct cnic_ulp_ops __rcu *ulp_ops[MAX_CNIC_ULP_TYPE]; |
a4636960 | 217 | |
1f1332a3 MC |
218 | unsigned long cnic_local_flags; |
219 | #define CNIC_LCL_FL_KWQ_INIT 0x0 | |
48f753d2 | 220 | #define CNIC_LCL_FL_L2_WAIT 0x1 |
541a7810 | 221 | #define CNIC_LCL_FL_RINGS_INITED 0x2 |
fab0dc89 | 222 | #define CNIC_LCL_FL_STOP_ISCSI 0x4 |
a4636960 MC |
223 | |
224 | struct cnic_dev *dev; | |
225 | ||
226 | struct cnic_eth_dev *ethdev; | |
227 | ||
cd801536 | 228 | struct cnic_uio_dev *udev; |
a4636960 | 229 | |
cd801536 | 230 | int l2_rx_ring_size; |
a4636960 MC |
231 | int l2_single_buf_size; |
232 | ||
233 | u16 *rx_cons_ptr; | |
234 | u16 *tx_cons_ptr; | |
235 | u16 rx_cons; | |
236 | u16 tx_cons; | |
237 | ||
a4636960 MC |
238 | struct cnic_dma kwq_info; |
239 | struct kwqe **kwq; | |
240 | ||
241 | struct cnic_dma kwq_16_data_info; | |
242 | ||
243 | u16 max_kwq_idx; | |
244 | ||
245 | u16 kwq_prod_idx; | |
246 | u32 kwq_io_addr; | |
247 | ||
248 | u16 *kwq_con_idx_ptr; | |
249 | u16 kwq_con_idx; | |
250 | ||
e6c28894 | 251 | struct kcq_info kcq1; |
e21ba414 | 252 | struct kcq_info kcq2; |
a4636960 | 253 | |
a4dde3ab MC |
254 | union { |
255 | void *gen; | |
256 | struct status_block_msix *bnx2; | |
523224a3 DK |
257 | struct host_hc_status_block_e1x *bnx2x_e1x; |
258 | /* index values - which counter to update */ | |
259 | #define SM_RX_ID 0 | |
260 | #define SM_TX_ID 1 | |
a4dde3ab MC |
261 | } status_blk; |
262 | ||
523224a3 | 263 | struct host_sp_status_block *bnx2x_def_status_blk; |
a4636960 MC |
264 | |
265 | u32 status_blk_num; | |
523224a3 | 266 | u32 bnx2x_igu_sb_id; |
a4636960 MC |
267 | u32 int_num; |
268 | u32 last_status_idx; | |
269 | struct tasklet_struct cnic_irq_task; | |
270 | ||
271 | struct kcqe *completed_kcq[MAX_COMPLETED_KCQE]; | |
272 | ||
273 | struct cnic_sock *csk_tbl; | |
274 | struct cnic_id_tbl csk_port_tbl; | |
275 | ||
a4636960 MC |
276 | struct cnic_dma gbl_buf_info; |
277 | ||
278 | struct cnic_iscsi *iscsi_tbl; | |
279 | struct cnic_context *ctx_tbl; | |
280 | struct cnic_id_tbl cid_tbl; | |
a4636960 | 281 | atomic_t iscsi_conn; |
520efdf4 MC |
282 | u32 iscsi_start_cid; |
283 | ||
e1928c86 MC |
284 | u32 fcoe_init_cid; |
285 | u32 fcoe_start_cid; | |
286 | struct cnic_id_tbl fcoe_cid_tbl; | |
287 | ||
520efdf4 | 288 | u32 max_cid_space; |
a4636960 MC |
289 | |
290 | /* per connection parameters */ | |
291 | int num_iscsi_tasks; | |
292 | int num_ccells; | |
293 | int task_array_size; | |
294 | int r2tq_size; | |
295 | int hq_size; | |
296 | int num_cqs; | |
297 | ||
fdf24086 MC |
298 | struct delayed_work delete_task; |
299 | ||
a4636960 MC |
300 | struct cnic_ctx *ctx_arr; |
301 | int ctx_blks; | |
302 | int ctx_blk_size; | |
e2513065 | 303 | unsigned long ctx_align; |
a4636960 MC |
304 | int cids_per_blk; |
305 | ||
306 | u32 chip_id; | |
307 | int func; | |
619c5cb6 | 308 | |
a4636960 MC |
309 | u32 shmem_base; |
310 | ||
a4636960 MC |
311 | struct cnic_ops *cnic_ops; |
312 | int (*start_hw)(struct cnic_dev *); | |
313 | void (*stop_hw)(struct cnic_dev *); | |
314 | void (*setup_pgtbl)(struct cnic_dev *, | |
315 | struct cnic_dma *); | |
316 | int (*alloc_resc)(struct cnic_dev *); | |
317 | void (*free_resc)(struct cnic_dev *); | |
318 | int (*start_cm)(struct cnic_dev *); | |
319 | void (*stop_cm)(struct cnic_dev *); | |
320 | void (*enable_int)(struct cnic_dev *); | |
321 | void (*disable_int_sync)(struct cnic_dev *); | |
322 | void (*ack_int)(struct cnic_dev *); | |
8cc0e028 | 323 | void (*arm_int)(struct cnic_dev *, u32 index); |
a4636960 | 324 | void (*close_conn)(struct cnic_sock *, u32 opcode); |
a4636960 MC |
325 | }; |
326 | ||
327 | struct bnx2x_bd_chain_next { | |
328 | u32 addr_lo; | |
329 | u32 addr_hi; | |
330 | u8 reserved[8]; | |
331 | }; | |
332 | ||
e2513065 MC |
333 | #define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T (1) |
334 | ||
a4636960 MC |
335 | #define ISCSI_RAMROD_CMD_ID_UPDATE_CONN (ISCSI_KCQE_OPCODE_UPDATE_CONN) |
336 | #define ISCSI_RAMROD_CMD_ID_INIT (ISCSI_KCQE_OPCODE_INIT) | |
337 | ||
338 | #define CDU_REGION_NUMBER_XCM_AG 2 | |
339 | #define CDU_REGION_NUMBER_UCM_AG 4 | |
340 | ||
e2513065 MC |
341 | #define CDU_VALID_DATA(_cid, _region, _type) \ |
342 | (((_cid) << 8) | (((_region)&0xf)<<4) | (((_type)&0xf))) | |
343 | ||
344 | #define CDU_CRC8(_cid, _region, _type) \ | |
345 | (calc_crc8(CDU_VALID_DATA(_cid, _region, _type), 0xff)) | |
346 | ||
347 | #define CDU_RSRVD_VALUE_TYPE_A(_cid, _region, _type) \ | |
348 | (0x80 | ((CDU_CRC8(_cid, _region, _type)) & 0x7f)) | |
349 | ||
350 | #define BNX2X_CONTEXT_MEM_SIZE 1024 | |
351 | #define BNX2X_FCOE_CID 16 | |
352 | ||
e2513065 MC |
353 | #define BNX2X_ISCSI_START_CID 18 |
354 | #define BNX2X_ISCSI_NUM_CONNECTIONS 128 | |
355 | #define BNX2X_ISCSI_TASK_CONTEXT_SIZE 128 | |
356 | #define BNX2X_ISCSI_MAX_PENDING_R2TS 4 | |
357 | #define BNX2X_ISCSI_R2TQE_SIZE 8 | |
358 | #define BNX2X_ISCSI_HQ_BD_SIZE 64 | |
e2513065 MC |
359 | #define BNX2X_ISCSI_GLB_BUF_SIZE 64 |
360 | #define BNX2X_ISCSI_PBL_NOT_CACHED 0xff | |
361 | #define BNX2X_ISCSI_PDU_HEADER_NOT_CACHED 0xff | |
ceb7e1c7 | 362 | |
dc219a2e | 363 | #define BNX2X_FCOE_NUM_CONNECTIONS 1024 |
e1928c86 MC |
364 | |
365 | #define BNX2X_FCOE_L5_CID_BASE MAX_ISCSI_TBL_SZ | |
366 | ||
104a43ed | 367 | #define BNX2X_CHIP_IS_E2_PLUS(bp) (CHIP_IS_E2(bp) || CHIP_IS_E3(bp)) |
ee87a82a | 368 | |
2bc4078e MC |
369 | #define BNX2X_RX_DESC_CNT (BNX2_PAGE_SIZE / \ |
370 | sizeof(struct eth_rx_bd)) | |
e2513065 | 371 | #define BNX2X_MAX_RX_DESC_CNT (BNX2X_RX_DESC_CNT - 2) |
2bc4078e MC |
372 | #define BNX2X_RCQ_DESC_CNT (BNX2_PAGE_SIZE / \ |
373 | sizeof(union eth_rx_cqe)) | |
e2513065 MC |
374 | #define BNX2X_MAX_RCQ_DESC_CNT (BNX2X_RCQ_DESC_CNT - 1) |
375 | ||
48f753d2 MC |
376 | #define BNX2X_NEXT_RCQE(x) (((x) & BNX2X_MAX_RCQ_DESC_CNT) == \ |
377 | (BNX2X_MAX_RCQ_DESC_CNT - 1)) ? \ | |
378 | ((x) + 2) : ((x) + 1) | |
379 | ||
523224a3 | 380 | #define BNX2X_DEF_SB_ID HC_SP_SB_ID |
e2513065 | 381 | |
523224a3 | 382 | #define BNX2X_SHMEM_MF_BLK_OFFSET 0x7e4 |
e2513065 MC |
383 | |
384 | #define BNX2X_SHMEM_ADDR(base, field) (base + \ | |
385 | offsetof(struct shmem_region, field)) | |
386 | ||
523224a3 DK |
387 | #define BNX2X_SHMEM2_ADDR(base, field) (base + \ |
388 | offsetof(struct shmem2_region, field)) | |
389 | ||
390 | #define BNX2X_SHMEM2_HAS(base, field) \ | |
391 | ((base) && \ | |
392 | (CNIC_RD(dev, BNX2X_SHMEM2_ADDR(base, size)) > \ | |
393 | offsetof(struct shmem2_region, field))) | |
394 | ||
4aacb7af MC |
395 | #define BNX2X_MF_CFG_ADDR(base, field) \ |
396 | ((base) + offsetof(struct mf_cfg, field)) | |
397 | ||
e1928c86 MC |
398 | #ifndef ETH_MAX_RX_CLIENTS_E2 |
399 | #define ETH_MAX_RX_CLIENTS_E2 ETH_MAX_RX_CLIENTS_E1H | |
400 | #endif | |
401 | ||
e2513065 | 402 | #define CNIC_FUNC(cp) ((cp)->func) |
e2513065 | 403 | |
5e65789f MC |
404 | #define BNX2X_HW_CID(bp, x) ((BP_PORT(bp) << 23) | \ |
405 | (BP_VN(bp) << 17) | (x)) | |
ceb7e1c7 MC |
406 | |
407 | #define BNX2X_SW_CID(x) (x & 0x1ffff) | |
408 | ||
104a43ed MC |
409 | #define BNX2X_CL_QZONE_ID(bp, cli) \ |
410 | (BNX2X_CHIP_IS_E2_PLUS(bp) ? cli : \ | |
411 | cli + (BP_PORT(bp) * ETH_MAX_RX_CLIENTS_E1H)) | |
619c5cb6 VZ |
412 | |
413 | #ifndef MAX_STAT_COUNTER_ID | |
414 | #define MAX_STAT_COUNTER_ID \ | |
104a43ed MC |
415 | (CHIP_IS_E1H(bp) ? MAX_STAT_COUNTER_ID_E1H : \ |
416 | ((BNX2X_CHIP_IS_E2_PLUS(bp)) ? MAX_STAT_COUNTER_ID_E2 : \ | |
619c5cb6 VZ |
417 | MAX_STAT_COUNTER_ID_E1)) |
418 | #endif | |
523224a3 | 419 | |
104a43ed MC |
420 | #define CNIC_SUPPORTS_FCOE(cp) \ |
421 | (BNX2X_CHIP_IS_E2_PLUS(bp) && !NO_FCOE(bp)) | |
51a8f54d | 422 | |
dcc7e3a6 MC |
423 | #define CNIC_RAMROD_TMO (HZ / 4) |
424 | ||
a4636960 MC |
425 | #endif |
426 |