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15 #ifndef __EHEA_H__
16 #define __EHEA_H__
17
18 #include <linux/module.h>
19 #include <linux/ethtool.h>
20 #include <linux/vmalloc.h>
21 #include <linux/if_vlan.h>
22
23 #include <asm/ibmebus.h>
24 #include <asm/io.h>
25
26 #define DRV_NAME "ehea"
27 #define DRV_VERSION "EHEA_0107"
28
29
30 #define DLPAR_PORT_ADD_REM 1
31 #define DLPAR_MEM_ADD 2
32 #define DLPAR_MEM_REM 4
33 #define EHEA_CAPABILITIES (DLPAR_PORT_ADD_REM | DLPAR_MEM_ADD | DLPAR_MEM_REM)
34
35 #define EHEA_MSG_DEFAULT (NETIF_MSG_LINK | NETIF_MSG_TIMER \
36 | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR)
37
38 #define EHEA_MAX_ENTRIES_RQ1 32767
39 #define EHEA_MAX_ENTRIES_RQ2 16383
40 #define EHEA_MAX_ENTRIES_RQ3 16383
41 #define EHEA_MAX_ENTRIES_SQ 32767
42 #define EHEA_MIN_ENTRIES_QP 127
43
44 #define EHEA_SMALL_QUEUES
45
46 #ifdef EHEA_SMALL_QUEUES
47 #define EHEA_MAX_CQE_COUNT 1023
48 #define EHEA_DEF_ENTRIES_SQ 1023
49 #define EHEA_DEF_ENTRIES_RQ1 1023
50 #define EHEA_DEF_ENTRIES_RQ2 1023
51 #define EHEA_DEF_ENTRIES_RQ3 511
52 #else
53 #define EHEA_MAX_CQE_COUNT 4080
54 #define EHEA_DEF_ENTRIES_SQ 4080
55 #define EHEA_DEF_ENTRIES_RQ1 8160
56 #define EHEA_DEF_ENTRIES_RQ2 2040
57 #define EHEA_DEF_ENTRIES_RQ3 2040
58 #endif
59
60 #define EHEA_MAX_ENTRIES_EQ 20
61
62 #define EHEA_SG_SQ 2
63 #define EHEA_SG_RQ1 1
64 #define EHEA_SG_RQ2 0
65 #define EHEA_SG_RQ3 0
66
67 #define EHEA_MAX_PACKET_SIZE 9022
68 #define EHEA_RQ2_PKT_SIZE 2048
69 #define EHEA_L_PKT_SIZE 256
70
71
72
73
74 #define EHEA_PD_ID 0xaabcdeff
75
76 #define EHEA_RQ2_THRESHOLD 1
77 #define EHEA_RQ3_THRESHOLD 4
78
79 #define EHEA_SPEED_10G 10000
80 #define EHEA_SPEED_1G 1000
81 #define EHEA_SPEED_100M 100
82 #define EHEA_SPEED_10M 10
83 #define EHEA_SPEED_AUTONEG 0
84
85
86 #define EHEA_BCMC_SCOPE_ALL 0x08
87 #define EHEA_BCMC_SCOPE_SINGLE 0x00
88 #define EHEA_BCMC_MULTICAST 0x04
89 #define EHEA_BCMC_BROADCAST 0x00
90 #define EHEA_BCMC_UNTAGGED 0x02
91 #define EHEA_BCMC_TAGGED 0x00
92 #define EHEA_BCMC_VLANID_ALL 0x01
93 #define EHEA_BCMC_VLANID_SINGLE 0x00
94
95 #define EHEA_CACHE_LINE 128
96
97
98 #define EHEA_MR_ACC_CTRL 0x00800000
99
100 #define EHEA_BUSMAP_START 0x8000000000000000ULL
101 #define EHEA_INVAL_ADDR 0xFFFFFFFFFFFFFFFFULL
102 #define EHEA_DIR_INDEX_SHIFT 13
103 #define EHEA_TOP_INDEX_SHIFT (EHEA_DIR_INDEX_SHIFT * 2)
104 #define EHEA_MAP_ENTRIES (1 << EHEA_DIR_INDEX_SHIFT)
105 #define EHEA_MAP_SIZE (0x10000)
106 #define EHEA_INDEX_MASK (EHEA_MAP_ENTRIES - 1)
107
108
109 #define EHEA_WATCH_DOG_TIMEOUT 10*HZ
110
111
112
113 void ehea_dump(void *adr, int len, char *msg);
114
115 #define EHEA_BMASK(pos, length) (((pos) << 16) + (length))
116
117 #define EHEA_BMASK_IBM(from, to) (((63 - to) << 16) + ((to) - (from) + 1))
118
119 #define EHEA_BMASK_SHIFTPOS(mask) (((mask) >> 16) & 0xffff)
120
121 #define EHEA_BMASK_MASK(mask) \
122 (0xffffffffffffffffULL >> ((64 - (mask)) & 0xffff))
123
124 #define EHEA_BMASK_SET(mask, value) \
125 ((EHEA_BMASK_MASK(mask) & ((u64)(value))) << EHEA_BMASK_SHIFTPOS(mask))
126
127 #define EHEA_BMASK_GET(mask, value) \
128 (EHEA_BMASK_MASK(mask) & (((u64)(value)) >> EHEA_BMASK_SHIFTPOS(mask)))
129
130
131
132
133 struct ehea_page {
134 u8 entries[PAGE_SIZE];
135 };
136
137
138
139
140 struct hw_queue {
141 u64 current_q_offset;
142 struct ehea_page **queue_pages;
143 u32 qe_size;
144 u32 queue_length;
145 u32 pagesize;
146 u32 toggle_state;
147 u32 reserved;
148 };
149
150
151
152
153
154 struct h_epa {
155 void __iomem *addr;
156 };
157
158 struct h_epa_user {
159 u64 addr;
160 };
161
162 struct h_epas {
163 struct h_epa kernel;
164
165 struct h_epa_user user;
166
167 };
168
169
170
171
172 struct ehea_dir_bmap
173 {
174 u64 ent[EHEA_MAP_ENTRIES];
175 };
176 struct ehea_top_bmap
177 {
178 struct ehea_dir_bmap *dir[EHEA_MAP_ENTRIES];
179 };
180 struct ehea_bmap
181 {
182 struct ehea_top_bmap *top[EHEA_MAP_ENTRIES];
183 };
184
185 struct ehea_qp;
186 struct ehea_cq;
187 struct ehea_eq;
188 struct ehea_port;
189 struct ehea_av;
190
191
192
193
194 struct ehea_qp_init_attr {
195
196 u32 qp_token;
197 u8 low_lat_rq1;
198 u8 signalingtype;
199 u8 rq_count;
200 u8 eqe_gen;
201 u16 max_nr_send_wqes;
202 u16 max_nr_rwqes_rq1;
203 u16 max_nr_rwqes_rq2;
204 u16 max_nr_rwqes_rq3;
205 u8 wqe_size_enc_sq;
206 u8 wqe_size_enc_rq1;
207 u8 wqe_size_enc_rq2;
208 u8 wqe_size_enc_rq3;
209 u8 swqe_imm_data_len;
210 u16 port_nr;
211 u16 rq2_threshold;
212 u16 rq3_threshold;
213 u64 send_cq_handle;
214 u64 recv_cq_handle;
215 u64 aff_eq_handle;
216
217
218 u32 qp_nr;
219 u16 act_nr_send_wqes;
220 u16 act_nr_rwqes_rq1;
221 u16 act_nr_rwqes_rq2;
222 u16 act_nr_rwqes_rq3;
223 u8 act_wqe_size_enc_sq;
224 u8 act_wqe_size_enc_rq1;
225 u8 act_wqe_size_enc_rq2;
226 u8 act_wqe_size_enc_rq3;
227 u32 nr_sq_pages;
228 u32 nr_rq1_pages;
229 u32 nr_rq2_pages;
230 u32 nr_rq3_pages;
231 u32 liobn_sq;
232 u32 liobn_rq1;
233 u32 liobn_rq2;
234 u32 liobn_rq3;
235 };
236
237
238
239
240 struct ehea_eq_attr {
241 u32 type;
242 u32 max_nr_of_eqes;
243 u8 eqe_gen;
244 u64 eq_handle;
245 u32 act_nr_of_eqes;
246 u32 nr_pages;
247 u32 ist1;
248 u32 ist2;
249 u32 ist3;
250 u32 ist4;
251 };
252
253
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255
256
257 struct ehea_eq {
258 struct ehea_adapter *adapter;
259 struct hw_queue hw_queue;
260 u64 fw_handle;
261 struct h_epas epas;
262 spinlock_t spinlock;
263 struct ehea_eq_attr attr;
264 };
265
266
267
268
269 struct ehea_qp {
270 struct ehea_adapter *adapter;
271 u64 fw_handle;
272 struct hw_queue hw_squeue;
273 struct hw_queue hw_rqueue1;
274 struct hw_queue hw_rqueue2;
275 struct hw_queue hw_rqueue3;
276 struct h_epas epas;
277 struct ehea_qp_init_attr init_attr;
278 };
279
280
281
282
283 struct ehea_cq_attr {
284
285 u32 max_nr_of_cqes;
286 u32 cq_token;
287 u64 eq_handle;
288
289
290 u32 act_nr_of_cqes;
291 u32 nr_pages;
292 };
293
294
295
296
297 struct ehea_cq {
298 struct ehea_adapter *adapter;
299 u64 fw_handle;
300 struct hw_queue hw_queue;
301 struct h_epas epas;
302 struct ehea_cq_attr attr;
303 };
304
305
306
307
308 struct ehea_mr {
309 struct ehea_adapter *adapter;
310 u64 handle;
311 u64 vaddr;
312 u32 lkey;
313 };
314
315
316
317
318 struct port_stats {
319 int poll_receive_errors;
320 int queue_stopped;
321 int err_tcp_cksum;
322 int err_ip_cksum;
323 int err_frame_crc;
324 };
325
326 #define EHEA_IRQ_NAME_SIZE 20
327
328
329
330
331 struct ehea_q_skb_arr {
332 struct sk_buff **arr;
333 int len;
334 int index;
335 int os_skbs;
336 };
337
338
339
340
341 struct ehea_port_res {
342 struct napi_struct napi;
343 struct port_stats p_stats;
344 struct ehea_mr send_mr;
345 struct ehea_mr recv_mr;
346 struct ehea_port *port;
347 char int_recv_name[EHEA_IRQ_NAME_SIZE];
348 char int_send_name[EHEA_IRQ_NAME_SIZE];
349 struct ehea_qp *qp;
350 struct ehea_cq *send_cq;
351 struct ehea_cq *recv_cq;
352 struct ehea_eq *eq;
353 struct ehea_q_skb_arr rq1_skba;
354 struct ehea_q_skb_arr rq2_skba;
355 struct ehea_q_skb_arr rq3_skba;
356 struct ehea_q_skb_arr sq_skba;
357 int sq_skba_size;
358 int swqe_refill_th;
359 atomic_t swqe_avail;
360 int swqe_ll_count;
361 u32 swqe_id_counter;
362 u64 tx_packets;
363 u64 tx_bytes;
364 u64 rx_packets;
365 u64 rx_bytes;
366 int sq_restart_flag;
367 };
368
369
370 #define EHEA_MAX_PORTS 16
371
372 #define EHEA_NUM_PORTRES_FW_HANDLES 6
373
374
375 #define EHEA_NUM_PORT_FW_HANDLES 1
376 #define EHEA_NUM_ADAPTER_FW_HANDLES 2
377
378 struct ehea_adapter {
379 u64 handle;
380 struct platform_device *ofdev;
381 struct ehea_port *port[EHEA_MAX_PORTS];
382 struct ehea_eq *neq;
383 struct tasklet_struct neq_tasklet;
384 struct ehea_mr mr;
385 u32 pd;
386 u64 max_mc_mac;
387 int active_ports;
388 struct list_head list;
389 };
390
391
392 struct ehea_mc_list {
393 struct list_head list;
394 u64 macaddr;
395 };
396
397
398 struct ehea_fw_handle_entry {
399 u64 adh;
400 u64 fwh;
401 };
402
403 struct ehea_fw_handle_array {
404 struct ehea_fw_handle_entry *arr;
405 int num_entries;
406 struct mutex lock;
407 };
408
409 struct ehea_bcmc_reg_entry {
410 u64 adh;
411 u32 port_id;
412 u8 reg_type;
413 u64 macaddr;
414 };
415
416 struct ehea_bcmc_reg_array {
417 struct ehea_bcmc_reg_entry *arr;
418 int num_entries;
419 spinlock_t lock;
420 };
421
422 #define EHEA_PORT_UP 1
423 #define EHEA_PORT_DOWN 0
424 #define EHEA_PHY_LINK_UP 1
425 #define EHEA_PHY_LINK_DOWN 0
426 #define EHEA_MAX_PORT_RES 16
427 struct ehea_port {
428 struct ehea_adapter *adapter;
429 struct net_device *netdev;
430 struct rtnl_link_stats64 stats;
431 struct ehea_port_res port_res[EHEA_MAX_PORT_RES];
432 struct platform_device ofdev;
433 struct ehea_mc_list *mc_list;
434 struct ehea_eq *qp_eq;
435 struct work_struct reset_task;
436 struct delayed_work stats_work;
437 struct mutex port_lock;
438 char int_aff_name[EHEA_IRQ_NAME_SIZE];
439 int allmulti;
440 int promisc;
441 int num_mcs;
442 int resets;
443 unsigned long flags;
444 u64 mac_addr;
445 u32 logical_port_id;
446 u32 port_speed;
447 u32 msg_enable;
448 u32 sig_comp_iv;
449 u32 state;
450 u8 phy_link;
451 u8 full_duplex;
452 u8 autoneg;
453 u8 num_def_qps;
454 wait_queue_head_t swqe_avail_wq;
455 wait_queue_head_t restart_wq;
456 };
457
458 struct port_res_cfg {
459 int max_entries_rcq;
460 int max_entries_scq;
461 int max_entries_sq;
462 int max_entries_rq1;
463 int max_entries_rq2;
464 int max_entries_rq3;
465 };
466
467 enum ehea_flag_bits {
468 __EHEA_STOP_XFER,
469 __EHEA_DISABLE_PORT_RESET
470 };
471
472 void ehea_set_ethtool_ops(struct net_device *netdev);
473 int ehea_sense_port_attr(struct ehea_port *port);
474 int ehea_set_portspeed(struct ehea_port *port, u32 port_speed);
475
476 #endif