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625ba2c2 DM |
1 | /* |
2 | * This file is part of the Chelsio T4 Ethernet driver for Linux. | |
3 | * | |
4 | * Copyright (c) 2003-2010 Chelsio Communications, Inc. All rights reserved. | |
5 | * | |
6 | * This software is available to you under a choice of one of two | |
7 | * licenses. You may choose to be licensed under the terms of the GNU | |
8 | * General Public License (GPL) Version 2, available from the file | |
9 | * COPYING in the main directory of this source tree, or the | |
10 | * OpenIB.org BSD license below: | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or | |
13 | * without modification, are permitted provided that the following | |
14 | * conditions are met: | |
15 | * | |
16 | * - Redistributions of source code must retain the above | |
17 | * copyright notice, this list of conditions and the following | |
18 | * disclaimer. | |
19 | * | |
20 | * - Redistributions in binary form must reproduce the above | |
21 | * copyright notice, this list of conditions and the following | |
22 | * disclaimer in the documentation and/or other materials | |
23 | * provided with the distribution. | |
24 | * | |
25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
26 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
27 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
28 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
29 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
30 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
31 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
32 | * SOFTWARE. | |
33 | */ | |
34 | ||
35 | #ifndef __CXGB4_H__ | |
36 | #define __CXGB4_H__ | |
37 | ||
38 | #include <linux/bitops.h> | |
39 | #include <linux/cache.h> | |
40 | #include <linux/interrupt.h> | |
41 | #include <linux/list.h> | |
42 | #include <linux/netdevice.h> | |
43 | #include <linux/pci.h> | |
44 | #include <linux/spinlock.h> | |
45 | #include <linux/timer.h> | |
c0b8b992 | 46 | #include <linux/vmalloc.h> |
625ba2c2 DM |
47 | #include <asm/io.h> |
48 | #include "cxgb4_uld.h" | |
49 | #include "t4_hw.h" | |
50 | ||
51 | #define FW_VERSION_MAJOR 1 | |
52 | #define FW_VERSION_MINOR 1 | |
53 | #define FW_VERSION_MICRO 0 | |
54 | ||
3069ee9b VP |
55 | #define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__) |
56 | ||
625ba2c2 DM |
57 | enum { |
58 | MAX_NPORTS = 4, /* max # of ports */ | |
47d54d65 | 59 | SERNUM_LEN = 24, /* Serial # length */ |
625ba2c2 DM |
60 | EC_LEN = 16, /* E/C length */ |
61 | ID_LEN = 16, /* ID length */ | |
62 | }; | |
63 | ||
64 | enum { | |
65 | MEM_EDC0, | |
66 | MEM_EDC1, | |
67 | MEM_MC | |
68 | }; | |
69 | ||
3069ee9b | 70 | enum { |
3eb4afbf VP |
71 | MEMWIN0_APERTURE = 2048, |
72 | MEMWIN0_BASE = 0x1b800, | |
3069ee9b VP |
73 | MEMWIN1_APERTURE = 32768, |
74 | MEMWIN1_BASE = 0x28000, | |
3eb4afbf VP |
75 | MEMWIN2_APERTURE = 65536, |
76 | MEMWIN2_BASE = 0x30000, | |
3069ee9b VP |
77 | }; |
78 | ||
625ba2c2 DM |
79 | enum dev_master { |
80 | MASTER_CANT, | |
81 | MASTER_MAY, | |
82 | MASTER_MUST | |
83 | }; | |
84 | ||
85 | enum dev_state { | |
86 | DEV_STATE_UNINIT, | |
87 | DEV_STATE_INIT, | |
88 | DEV_STATE_ERR | |
89 | }; | |
90 | ||
91 | enum { | |
92 | PAUSE_RX = 1 << 0, | |
93 | PAUSE_TX = 1 << 1, | |
94 | PAUSE_AUTONEG = 1 << 2 | |
95 | }; | |
96 | ||
97 | struct port_stats { | |
98 | u64 tx_octets; /* total # of octets in good frames */ | |
99 | u64 tx_frames; /* all good frames */ | |
100 | u64 tx_bcast_frames; /* all broadcast frames */ | |
101 | u64 tx_mcast_frames; /* all multicast frames */ | |
102 | u64 tx_ucast_frames; /* all unicast frames */ | |
103 | u64 tx_error_frames; /* all error frames */ | |
104 | ||
105 | u64 tx_frames_64; /* # of Tx frames in a particular range */ | |
106 | u64 tx_frames_65_127; | |
107 | u64 tx_frames_128_255; | |
108 | u64 tx_frames_256_511; | |
109 | u64 tx_frames_512_1023; | |
110 | u64 tx_frames_1024_1518; | |
111 | u64 tx_frames_1519_max; | |
112 | ||
113 | u64 tx_drop; /* # of dropped Tx frames */ | |
114 | u64 tx_pause; /* # of transmitted pause frames */ | |
115 | u64 tx_ppp0; /* # of transmitted PPP prio 0 frames */ | |
116 | u64 tx_ppp1; /* # of transmitted PPP prio 1 frames */ | |
117 | u64 tx_ppp2; /* # of transmitted PPP prio 2 frames */ | |
118 | u64 tx_ppp3; /* # of transmitted PPP prio 3 frames */ | |
119 | u64 tx_ppp4; /* # of transmitted PPP prio 4 frames */ | |
120 | u64 tx_ppp5; /* # of transmitted PPP prio 5 frames */ | |
121 | u64 tx_ppp6; /* # of transmitted PPP prio 6 frames */ | |
122 | u64 tx_ppp7; /* # of transmitted PPP prio 7 frames */ | |
123 | ||
124 | u64 rx_octets; /* total # of octets in good frames */ | |
125 | u64 rx_frames; /* all good frames */ | |
126 | u64 rx_bcast_frames; /* all broadcast frames */ | |
127 | u64 rx_mcast_frames; /* all multicast frames */ | |
128 | u64 rx_ucast_frames; /* all unicast frames */ | |
129 | u64 rx_too_long; /* # of frames exceeding MTU */ | |
130 | u64 rx_jabber; /* # of jabber frames */ | |
131 | u64 rx_fcs_err; /* # of received frames with bad FCS */ | |
132 | u64 rx_len_err; /* # of received frames with length error */ | |
133 | u64 rx_symbol_err; /* symbol errors */ | |
134 | u64 rx_runt; /* # of short frames */ | |
135 | ||
136 | u64 rx_frames_64; /* # of Rx frames in a particular range */ | |
137 | u64 rx_frames_65_127; | |
138 | u64 rx_frames_128_255; | |
139 | u64 rx_frames_256_511; | |
140 | u64 rx_frames_512_1023; | |
141 | u64 rx_frames_1024_1518; | |
142 | u64 rx_frames_1519_max; | |
143 | ||
144 | u64 rx_pause; /* # of received pause frames */ | |
145 | u64 rx_ppp0; /* # of received PPP prio 0 frames */ | |
146 | u64 rx_ppp1; /* # of received PPP prio 1 frames */ | |
147 | u64 rx_ppp2; /* # of received PPP prio 2 frames */ | |
148 | u64 rx_ppp3; /* # of received PPP prio 3 frames */ | |
149 | u64 rx_ppp4; /* # of received PPP prio 4 frames */ | |
150 | u64 rx_ppp5; /* # of received PPP prio 5 frames */ | |
151 | u64 rx_ppp6; /* # of received PPP prio 6 frames */ | |
152 | u64 rx_ppp7; /* # of received PPP prio 7 frames */ | |
153 | ||
154 | u64 rx_ovflow0; /* drops due to buffer-group 0 overflows */ | |
155 | u64 rx_ovflow1; /* drops due to buffer-group 1 overflows */ | |
156 | u64 rx_ovflow2; /* drops due to buffer-group 2 overflows */ | |
157 | u64 rx_ovflow3; /* drops due to buffer-group 3 overflows */ | |
158 | u64 rx_trunc0; /* buffer-group 0 truncated packets */ | |
159 | u64 rx_trunc1; /* buffer-group 1 truncated packets */ | |
160 | u64 rx_trunc2; /* buffer-group 2 truncated packets */ | |
161 | u64 rx_trunc3; /* buffer-group 3 truncated packets */ | |
162 | }; | |
163 | ||
164 | struct lb_port_stats { | |
165 | u64 octets; | |
166 | u64 frames; | |
167 | u64 bcast_frames; | |
168 | u64 mcast_frames; | |
169 | u64 ucast_frames; | |
170 | u64 error_frames; | |
171 | ||
172 | u64 frames_64; | |
173 | u64 frames_65_127; | |
174 | u64 frames_128_255; | |
175 | u64 frames_256_511; | |
176 | u64 frames_512_1023; | |
177 | u64 frames_1024_1518; | |
178 | u64 frames_1519_max; | |
179 | ||
180 | u64 drop; | |
181 | ||
182 | u64 ovflow0; | |
183 | u64 ovflow1; | |
184 | u64 ovflow2; | |
185 | u64 ovflow3; | |
186 | u64 trunc0; | |
187 | u64 trunc1; | |
188 | u64 trunc2; | |
189 | u64 trunc3; | |
190 | }; | |
191 | ||
192 | struct tp_tcp_stats { | |
193 | u32 tcpOutRsts; | |
194 | u64 tcpInSegs; | |
195 | u64 tcpOutSegs; | |
196 | u64 tcpRetransSegs; | |
197 | }; | |
198 | ||
199 | struct tp_err_stats { | |
200 | u32 macInErrs[4]; | |
201 | u32 hdrInErrs[4]; | |
202 | u32 tcpInErrs[4]; | |
203 | u32 tnlCongDrops[4]; | |
204 | u32 ofldChanDrops[4]; | |
205 | u32 tnlTxDrops[4]; | |
206 | u32 ofldVlanDrops[4]; | |
207 | u32 tcp6InErrs[4]; | |
208 | u32 ofldNoNeigh; | |
209 | u32 ofldCongDefer; | |
210 | }; | |
211 | ||
212 | struct tp_params { | |
213 | unsigned int ntxchan; /* # of Tx channels */ | |
214 | unsigned int tre; /* log2 of core clocks per TP tick */ | |
636f9d37 VP |
215 | |
216 | uint32_t dack_re; /* DACK timer resolution */ | |
217 | unsigned short tx_modq[NCHAN]; /* channel to modulation queue map */ | |
625ba2c2 DM |
218 | }; |
219 | ||
220 | struct vpd_params { | |
221 | unsigned int cclk; | |
222 | u8 ec[EC_LEN + 1]; | |
223 | u8 sn[SERNUM_LEN + 1]; | |
224 | u8 id[ID_LEN + 1]; | |
225 | }; | |
226 | ||
227 | struct pci_params { | |
228 | unsigned char speed; | |
229 | unsigned char width; | |
230 | }; | |
231 | ||
232 | struct adapter_params { | |
233 | struct tp_params tp; | |
234 | struct vpd_params vpd; | |
235 | struct pci_params pci; | |
236 | ||
900a6596 DM |
237 | unsigned int sf_size; /* serial flash size in bytes */ |
238 | unsigned int sf_nsec; /* # of flash sectors */ | |
239 | unsigned int sf_fw_start; /* start of FW image in flash */ | |
240 | ||
625ba2c2 DM |
241 | unsigned int fw_vers; |
242 | unsigned int tp_vers; | |
243 | u8 api_vers[7]; | |
244 | ||
245 | unsigned short mtus[NMTUS]; | |
246 | unsigned short a_wnd[NCCTRL_WIN]; | |
247 | unsigned short b_wnd[NCCTRL_WIN]; | |
248 | ||
249 | unsigned char nports; /* # of ethernet ports */ | |
250 | unsigned char portvec; | |
251 | unsigned char rev; /* chip revision */ | |
252 | unsigned char offload; | |
253 | ||
9a4da2cd VP |
254 | unsigned char bypass; |
255 | ||
625ba2c2 DM |
256 | unsigned int ofldq_wr_cred; |
257 | }; | |
258 | ||
259 | struct trace_params { | |
260 | u32 data[TRACE_LEN / 4]; | |
261 | u32 mask[TRACE_LEN / 4]; | |
262 | unsigned short snap_len; | |
263 | unsigned short min_len; | |
264 | unsigned char skip_ofst; | |
265 | unsigned char skip_len; | |
266 | unsigned char invert; | |
267 | unsigned char port; | |
268 | }; | |
269 | ||
270 | struct link_config { | |
271 | unsigned short supported; /* link capabilities */ | |
272 | unsigned short advertising; /* advertised capabilities */ | |
273 | unsigned short requested_speed; /* speed user has requested */ | |
274 | unsigned short speed; /* actual link speed */ | |
275 | unsigned char requested_fc; /* flow control user has requested */ | |
276 | unsigned char fc; /* actual link flow control */ | |
277 | unsigned char autoneg; /* autonegotiating? */ | |
278 | unsigned char link_ok; /* link up? */ | |
279 | }; | |
280 | ||
281 | #define FW_LEN16(fw_struct) FW_CMD_LEN16(sizeof(fw_struct) / 16) | |
282 | ||
283 | enum { | |
284 | MAX_ETH_QSETS = 32, /* # of Ethernet Tx/Rx queue sets */ | |
285 | MAX_OFLD_QSETS = 16, /* # of offload Tx/Rx queue sets */ | |
286 | MAX_CTRL_QUEUES = NCHAN, /* # of control Tx queues */ | |
287 | MAX_RDMA_QUEUES = NCHAN, /* # of streaming RDMA Rx queues */ | |
288 | }; | |
289 | ||
290 | enum { | |
291 | MAX_EGRQ = 128, /* max # of egress queues, including FLs */ | |
292 | MAX_INGQ = 64 /* max # of interrupt-capable ingress queues */ | |
293 | }; | |
294 | ||
295 | struct adapter; | |
625ba2c2 DM |
296 | struct sge_rspq; |
297 | ||
298 | struct port_info { | |
299 | struct adapter *adapter; | |
625ba2c2 DM |
300 | u16 viid; |
301 | s16 xact_addr_filt; /* index of exact MAC address filter */ | |
302 | u16 rss_size; /* size of VI's RSS table slice */ | |
303 | s8 mdio_addr; | |
304 | u8 port_type; | |
305 | u8 mod_type; | |
306 | u8 port_id; | |
307 | u8 tx_chan; | |
308 | u8 lport; /* associated offload logical port */ | |
625ba2c2 DM |
309 | u8 nqsets; /* # of qsets */ |
310 | u8 first_qset; /* index of first qset */ | |
f796564a | 311 | u8 rss_mode; |
625ba2c2 | 312 | struct link_config link_cfg; |
671b0060 | 313 | u16 *rss; |
625ba2c2 DM |
314 | }; |
315 | ||
625ba2c2 DM |
316 | struct dentry; |
317 | struct work_struct; | |
318 | ||
319 | enum { /* adapter flags */ | |
320 | FULL_INIT_DONE = (1 << 0), | |
321 | USING_MSI = (1 << 1), | |
322 | USING_MSIX = (1 << 2), | |
625ba2c2 | 323 | FW_OK = (1 << 4), |
13ee15d3 | 324 | RSS_TNLALLLOOKUP = (1 << 5), |
52367a76 VP |
325 | USING_SOFT_PARAMS = (1 << 6), |
326 | MASTER_PF = (1 << 7), | |
327 | FW_OFLD_CONN = (1 << 9), | |
625ba2c2 DM |
328 | }; |
329 | ||
330 | struct rx_sw_desc; | |
331 | ||
332 | struct sge_fl { /* SGE free-buffer queue state */ | |
333 | unsigned int avail; /* # of available Rx buffers */ | |
334 | unsigned int pend_cred; /* new buffers since last FL DB ring */ | |
335 | unsigned int cidx; /* consumer index */ | |
336 | unsigned int pidx; /* producer index */ | |
337 | unsigned long alloc_failed; /* # of times buffer allocation failed */ | |
338 | unsigned long large_alloc_failed; | |
339 | unsigned long starving; | |
340 | /* RO fields */ | |
341 | unsigned int cntxt_id; /* SGE context id for the free list */ | |
342 | unsigned int size; /* capacity of free list */ | |
343 | struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */ | |
344 | __be64 *desc; /* address of HW Rx descriptor ring */ | |
345 | dma_addr_t addr; /* bus address of HW ring start */ | |
346 | }; | |
347 | ||
348 | /* A packet gather list */ | |
349 | struct pkt_gl { | |
e91b0f24 | 350 | struct page_frag frags[MAX_SKB_FRAGS]; |
625ba2c2 DM |
351 | void *va; /* virtual address of first byte */ |
352 | unsigned int nfrags; /* # of fragments */ | |
353 | unsigned int tot_len; /* total length of fragments */ | |
354 | }; | |
355 | ||
356 | typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp, | |
357 | const struct pkt_gl *gl); | |
358 | ||
359 | struct sge_rspq { /* state for an SGE response queue */ | |
360 | struct napi_struct napi; | |
361 | const __be64 *cur_desc; /* current descriptor in queue */ | |
362 | unsigned int cidx; /* consumer index */ | |
363 | u8 gen; /* current generation bit */ | |
364 | u8 intr_params; /* interrupt holdoff parameters */ | |
365 | u8 next_intr_params; /* holdoff params for next interrupt */ | |
366 | u8 pktcnt_idx; /* interrupt packet threshold */ | |
367 | u8 uld; /* ULD handling this queue */ | |
368 | u8 idx; /* queue index within its group */ | |
369 | int offset; /* offset into current Rx buffer */ | |
370 | u16 cntxt_id; /* SGE context id for the response q */ | |
371 | u16 abs_id; /* absolute SGE id for the response q */ | |
372 | __be64 *desc; /* address of HW response ring */ | |
373 | dma_addr_t phys_addr; /* physical address of the ring */ | |
374 | unsigned int iqe_len; /* entry size */ | |
375 | unsigned int size; /* capacity of response queue */ | |
376 | struct adapter *adap; | |
377 | struct net_device *netdev; /* associated net device */ | |
378 | rspq_handler_t handler; | |
379 | }; | |
380 | ||
381 | struct sge_eth_stats { /* Ethernet queue statistics */ | |
382 | unsigned long pkts; /* # of ethernet packets */ | |
383 | unsigned long lro_pkts; /* # of LRO super packets */ | |
384 | unsigned long lro_merged; /* # of wire packets merged by LRO */ | |
385 | unsigned long rx_cso; /* # of Rx checksum offloads */ | |
386 | unsigned long vlan_ex; /* # of Rx VLAN extractions */ | |
387 | unsigned long rx_drops; /* # of packets dropped due to no mem */ | |
388 | }; | |
389 | ||
390 | struct sge_eth_rxq { /* SW Ethernet Rx queue */ | |
391 | struct sge_rspq rspq; | |
392 | struct sge_fl fl; | |
393 | struct sge_eth_stats stats; | |
394 | } ____cacheline_aligned_in_smp; | |
395 | ||
396 | struct sge_ofld_stats { /* offload queue statistics */ | |
397 | unsigned long pkts; /* # of packets */ | |
398 | unsigned long imm; /* # of immediate-data packets */ | |
399 | unsigned long an; /* # of asynchronous notifications */ | |
400 | unsigned long nomem; /* # of responses deferred due to no mem */ | |
401 | }; | |
402 | ||
403 | struct sge_ofld_rxq { /* SW offload Rx queue */ | |
404 | struct sge_rspq rspq; | |
405 | struct sge_fl fl; | |
406 | struct sge_ofld_stats stats; | |
407 | } ____cacheline_aligned_in_smp; | |
408 | ||
409 | struct tx_desc { | |
410 | __be64 flit[8]; | |
411 | }; | |
412 | ||
413 | struct tx_sw_desc; | |
414 | ||
415 | struct sge_txq { | |
416 | unsigned int in_use; /* # of in-use Tx descriptors */ | |
417 | unsigned int size; /* # of descriptors */ | |
418 | unsigned int cidx; /* SW consumer index */ | |
419 | unsigned int pidx; /* producer index */ | |
420 | unsigned long stops; /* # of times q has been stopped */ | |
421 | unsigned long restarts; /* # of queue restarts */ | |
422 | unsigned int cntxt_id; /* SGE context id for the Tx q */ | |
423 | struct tx_desc *desc; /* address of HW Tx descriptor ring */ | |
424 | struct tx_sw_desc *sdesc; /* address of SW Tx descriptor ring */ | |
425 | struct sge_qstat *stat; /* queue status entry */ | |
426 | dma_addr_t phys_addr; /* physical address of the ring */ | |
3069ee9b VP |
427 | spinlock_t db_lock; |
428 | int db_disabled; | |
429 | unsigned short db_pidx; | |
625ba2c2 DM |
430 | }; |
431 | ||
432 | struct sge_eth_txq { /* state for an SGE Ethernet Tx queue */ | |
433 | struct sge_txq q; | |
434 | struct netdev_queue *txq; /* associated netdev TX queue */ | |
435 | unsigned long tso; /* # of TSO requests */ | |
436 | unsigned long tx_cso; /* # of Tx checksum offloads */ | |
437 | unsigned long vlan_ins; /* # of Tx VLAN insertions */ | |
438 | unsigned long mapping_err; /* # of I/O MMU packet mapping errors */ | |
439 | } ____cacheline_aligned_in_smp; | |
440 | ||
441 | struct sge_ofld_txq { /* state for an SGE offload Tx queue */ | |
442 | struct sge_txq q; | |
443 | struct adapter *adap; | |
444 | struct sk_buff_head sendq; /* list of backpressured packets */ | |
445 | struct tasklet_struct qresume_tsk; /* restarts the queue */ | |
446 | u8 full; /* the Tx ring is full */ | |
447 | unsigned long mapping_err; /* # of I/O MMU packet mapping errors */ | |
448 | } ____cacheline_aligned_in_smp; | |
449 | ||
450 | struct sge_ctrl_txq { /* state for an SGE control Tx queue */ | |
451 | struct sge_txq q; | |
452 | struct adapter *adap; | |
453 | struct sk_buff_head sendq; /* list of backpressured packets */ | |
454 | struct tasklet_struct qresume_tsk; /* restarts the queue */ | |
455 | u8 full; /* the Tx ring is full */ | |
456 | } ____cacheline_aligned_in_smp; | |
457 | ||
458 | struct sge { | |
459 | struct sge_eth_txq ethtxq[MAX_ETH_QSETS]; | |
460 | struct sge_ofld_txq ofldtxq[MAX_OFLD_QSETS]; | |
461 | struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES]; | |
462 | ||
463 | struct sge_eth_rxq ethrxq[MAX_ETH_QSETS]; | |
464 | struct sge_ofld_rxq ofldrxq[MAX_OFLD_QSETS]; | |
465 | struct sge_ofld_rxq rdmarxq[MAX_RDMA_QUEUES]; | |
466 | struct sge_rspq fw_evtq ____cacheline_aligned_in_smp; | |
467 | ||
468 | struct sge_rspq intrq ____cacheline_aligned_in_smp; | |
469 | spinlock_t intrq_lock; | |
470 | ||
471 | u16 max_ethqsets; /* # of available Ethernet queue sets */ | |
472 | u16 ethqsets; /* # of active Ethernet queue sets */ | |
473 | u16 ethtxq_rover; /* Tx queue to clean up next */ | |
474 | u16 ofldqsets; /* # of active offload queue sets */ | |
475 | u16 rdmaqs; /* # of available RDMA Rx queues */ | |
476 | u16 ofld_rxq[MAX_OFLD_QSETS]; | |
477 | u16 rdma_rxq[NCHAN]; | |
478 | u16 timer_val[SGE_NTIMERS]; | |
479 | u8 counter_val[SGE_NCOUNTERS]; | |
52367a76 VP |
480 | u32 fl_pg_order; /* large page allocation size */ |
481 | u32 stat_len; /* length of status page at ring end */ | |
482 | u32 pktshift; /* padding between CPL & packet data */ | |
483 | u32 fl_align; /* response queue message alignment */ | |
484 | u32 fl_starve_thres; /* Free List starvation threshold */ | |
625ba2c2 DM |
485 | unsigned int starve_thres; |
486 | u8 idma_state[2]; | |
e46dab4d DM |
487 | unsigned int egr_start; |
488 | unsigned int ingr_start; | |
625ba2c2 DM |
489 | void *egr_map[MAX_EGRQ]; /* qid->queue egress queue map */ |
490 | struct sge_rspq *ingr_map[MAX_INGQ]; /* qid->queue ingress queue map */ | |
491 | DECLARE_BITMAP(starving_fl, MAX_EGRQ); | |
492 | DECLARE_BITMAP(txq_maperr, MAX_EGRQ); | |
493 | struct timer_list rx_timer; /* refills starving FLs */ | |
494 | struct timer_list tx_timer; /* checks Tx queues */ | |
495 | }; | |
496 | ||
497 | #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++) | |
498 | #define for_each_ofldrxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++) | |
499 | #define for_each_rdmarxq(sge, i) for (i = 0; i < (sge)->rdmaqs; i++) | |
500 | ||
501 | struct l2t_data; | |
502 | ||
503 | struct adapter { | |
504 | void __iomem *regs; | |
505 | struct pci_dev *pdev; | |
506 | struct device *pdev_dev; | |
3069ee9b | 507 | unsigned int mbox; |
060e0c75 DM |
508 | unsigned int fn; |
509 | unsigned int flags; | |
625ba2c2 | 510 | |
625ba2c2 DM |
511 | int msg_enable; |
512 | ||
513 | struct adapter_params params; | |
514 | struct cxgb4_virt_res vres; | |
515 | unsigned int swintr; | |
516 | ||
517 | unsigned int wol; | |
518 | ||
519 | struct { | |
520 | unsigned short vec; | |
8cd18ac4 | 521 | char desc[IFNAMSIZ + 10]; |
625ba2c2 DM |
522 | } msix_info[MAX_INGQ + 1]; |
523 | ||
524 | struct sge sge; | |
525 | ||
526 | struct net_device *port[MAX_NPORTS]; | |
527 | u8 chan_map[NCHAN]; /* channel -> port map */ | |
528 | ||
636f9d37 VP |
529 | unsigned int l2t_start; |
530 | unsigned int l2t_end; | |
625ba2c2 DM |
531 | struct l2t_data *l2t; |
532 | void *uld_handle[CXGB4_ULD_MAX]; | |
533 | struct list_head list_node; | |
534 | ||
535 | struct tid_info tids; | |
536 | void **tid_release_head; | |
537 | spinlock_t tid_release_lock; | |
538 | struct work_struct tid_release_task; | |
881806bc VP |
539 | struct work_struct db_full_task; |
540 | struct work_struct db_drop_task; | |
625ba2c2 DM |
541 | bool tid_release_task_busy; |
542 | ||
543 | struct dentry *debugfs_root; | |
544 | ||
545 | spinlock_t stats_lock; | |
546 | }; | |
547 | ||
548 | static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr) | |
549 | { | |
550 | return readl(adap->regs + reg_addr); | |
551 | } | |
552 | ||
553 | static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val) | |
554 | { | |
555 | writel(val, adap->regs + reg_addr); | |
556 | } | |
557 | ||
558 | #ifndef readq | |
559 | static inline u64 readq(const volatile void __iomem *addr) | |
560 | { | |
561 | return readl(addr) + ((u64)readl(addr + 4) << 32); | |
562 | } | |
563 | ||
564 | static inline void writeq(u64 val, volatile void __iomem *addr) | |
565 | { | |
566 | writel(val, addr); | |
567 | writel(val >> 32, addr + 4); | |
568 | } | |
569 | #endif | |
570 | ||
571 | static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr) | |
572 | { | |
573 | return readq(adap->regs + reg_addr); | |
574 | } | |
575 | ||
576 | static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val) | |
577 | { | |
578 | writeq(val, adap->regs + reg_addr); | |
579 | } | |
580 | ||
581 | /** | |
582 | * netdev2pinfo - return the port_info structure associated with a net_device | |
583 | * @dev: the netdev | |
584 | * | |
585 | * Return the struct port_info associated with a net_device | |
586 | */ | |
587 | static inline struct port_info *netdev2pinfo(const struct net_device *dev) | |
588 | { | |
589 | return netdev_priv(dev); | |
590 | } | |
591 | ||
592 | /** | |
593 | * adap2pinfo - return the port_info of a port | |
594 | * @adap: the adapter | |
595 | * @idx: the port index | |
596 | * | |
597 | * Return the port_info structure for the port of the given index. | |
598 | */ | |
599 | static inline struct port_info *adap2pinfo(struct adapter *adap, int idx) | |
600 | { | |
601 | return netdev_priv(adap->port[idx]); | |
602 | } | |
603 | ||
604 | /** | |
605 | * netdev2adap - return the adapter structure associated with a net_device | |
606 | * @dev: the netdev | |
607 | * | |
608 | * Return the struct adapter associated with a net_device | |
609 | */ | |
610 | static inline struct adapter *netdev2adap(const struct net_device *dev) | |
611 | { | |
612 | return netdev2pinfo(dev)->adapter; | |
613 | } | |
614 | ||
615 | void t4_os_portmod_changed(const struct adapter *adap, int port_id); | |
616 | void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat); | |
617 | ||
618 | void *t4_alloc_mem(size_t size); | |
625ba2c2 DM |
619 | |
620 | void t4_free_sge_resources(struct adapter *adap); | |
621 | irq_handler_t t4_intr_handler(struct adapter *adap); | |
622 | netdev_tx_t t4_eth_xmit(struct sk_buff *skb, struct net_device *dev); | |
623 | int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp, | |
624 | const struct pkt_gl *gl); | |
625 | int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb); | |
626 | int t4_ofld_send(struct adapter *adap, struct sk_buff *skb); | |
627 | int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq, | |
628 | struct net_device *dev, int intr_idx, | |
629 | struct sge_fl *fl, rspq_handler_t hnd); | |
630 | int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq, | |
631 | struct net_device *dev, struct netdev_queue *netdevq, | |
632 | unsigned int iqid); | |
633 | int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq, | |
634 | struct net_device *dev, unsigned int iqid, | |
635 | unsigned int cmplqid); | |
636 | int t4_sge_alloc_ofld_txq(struct adapter *adap, struct sge_ofld_txq *txq, | |
637 | struct net_device *dev, unsigned int iqid); | |
638 | irqreturn_t t4_sge_intr_msix(int irq, void *cookie); | |
52367a76 | 639 | int t4_sge_init(struct adapter *adap); |
625ba2c2 DM |
640 | void t4_sge_start(struct adapter *adap); |
641 | void t4_sge_stop(struct adapter *adap); | |
3069ee9b | 642 | extern int dbfifo_int_thresh; |
625ba2c2 DM |
643 | |
644 | #define for_each_port(adapter, iter) \ | |
645 | for (iter = 0; iter < (adapter)->params.nports; ++iter) | |
646 | ||
9a4da2cd VP |
647 | static inline int is_bypass(struct adapter *adap) |
648 | { | |
649 | return adap->params.bypass; | |
650 | } | |
651 | ||
652 | static inline int is_bypass_device(int device) | |
653 | { | |
654 | /* this should be set based upon device capabilities */ | |
655 | switch (device) { | |
656 | case 0x440b: | |
657 | case 0x440c: | |
658 | return 1; | |
659 | default: | |
660 | return 0; | |
661 | } | |
662 | } | |
663 | ||
625ba2c2 DM |
664 | static inline unsigned int core_ticks_per_usec(const struct adapter *adap) |
665 | { | |
666 | return adap->params.vpd.cclk / 1000; | |
667 | } | |
668 | ||
669 | static inline unsigned int us_to_core_ticks(const struct adapter *adap, | |
670 | unsigned int us) | |
671 | { | |
672 | return (us * adap->params.vpd.cclk) / 1000; | |
673 | } | |
674 | ||
52367a76 VP |
675 | static inline unsigned int core_ticks_to_us(const struct adapter *adapter, |
676 | unsigned int ticks) | |
677 | { | |
678 | /* add Core Clock / 2 to round ticks to nearest uS */ | |
679 | return ((ticks * 1000 + adapter->params.vpd.cclk/2) / | |
680 | adapter->params.vpd.cclk); | |
681 | } | |
682 | ||
625ba2c2 DM |
683 | void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask, |
684 | u32 val); | |
685 | ||
686 | int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size, | |
687 | void *rpl, bool sleep_ok); | |
688 | ||
689 | static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd, | |
690 | int size, void *rpl) | |
691 | { | |
692 | return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true); | |
693 | } | |
694 | ||
695 | static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd, | |
696 | int size, void *rpl) | |
697 | { | |
698 | return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false); | |
699 | } | |
700 | ||
13ee15d3 VP |
701 | void t4_write_indirect(struct adapter *adap, unsigned int addr_reg, |
702 | unsigned int data_reg, const u32 *vals, | |
703 | unsigned int nregs, unsigned int start_idx); | |
625ba2c2 DM |
704 | void t4_intr_enable(struct adapter *adapter); |
705 | void t4_intr_disable(struct adapter *adapter); | |
625ba2c2 DM |
706 | int t4_slow_intr_handler(struct adapter *adapter); |
707 | ||
204dc3c0 | 708 | int t4_wait_dev_ready(struct adapter *adap); |
625ba2c2 DM |
709 | int t4_link_start(struct adapter *adap, unsigned int mbox, unsigned int port, |
710 | struct link_config *lc); | |
711 | int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port); | |
5afc8b84 VP |
712 | int t4_memory_write(struct adapter *adap, int mtype, u32 addr, u32 len, |
713 | __be32 *buf); | |
625ba2c2 | 714 | int t4_seeprom_wp(struct adapter *adapter, bool enable); |
636f9d37 | 715 | int get_vpd_params(struct adapter *adapter, struct vpd_params *p); |
625ba2c2 | 716 | int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size); |
636f9d37 | 717 | unsigned int t4_flash_cfg_addr(struct adapter *adapter); |
404d9e3f | 718 | int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size); |
625ba2c2 DM |
719 | int t4_check_fw_version(struct adapter *adapter); |
720 | int t4_prep_adapter(struct adapter *adapter); | |
721 | int t4_port_init(struct adapter *adap, int mbox, int pf, int vf); | |
722 | void t4_fatal_err(struct adapter *adapter); | |
625ba2c2 DM |
723 | int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid, |
724 | int start, int n, const u16 *rspq, unsigned int nrspq); | |
725 | int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode, | |
726 | unsigned int flags); | |
625ba2c2 DM |
727 | int t4_mc_read(struct adapter *adap, u32 addr, __be32 *data, u64 *parity); |
728 | int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, | |
729 | u64 *parity); | |
730 | ||
731 | void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p); | |
625ba2c2 | 732 | void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log); |
636f9d37 VP |
733 | void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr, |
734 | unsigned int mask, unsigned int val); | |
625ba2c2 DM |
735 | void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4, |
736 | struct tp_tcp_stats *v6); | |
737 | void t4_load_mtus(struct adapter *adap, const unsigned short *mtus, | |
738 | const unsigned short *alpha, const unsigned short *beta); | |
739 | ||
740 | void t4_wol_magic_enable(struct adapter *adap, unsigned int port, | |
741 | const u8 *addr); | |
742 | int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map, | |
743 | u64 mask0, u64 mask1, unsigned int crc, bool enable); | |
744 | ||
745 | int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox, | |
746 | enum dev_master master, enum dev_state *state); | |
747 | int t4_fw_bye(struct adapter *adap, unsigned int mbox); | |
748 | int t4_early_init(struct adapter *adap, unsigned int mbox); | |
749 | int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset); | |
26f7cbc0 VP |
750 | int t4_fw_halt(struct adapter *adap, unsigned int mbox, int force); |
751 | int t4_fw_restart(struct adapter *adap, unsigned int mbox, int reset); | |
752 | int t4_fw_upgrade(struct adapter *adap, unsigned int mbox, | |
753 | const u8 *fw_data, unsigned int size, int force); | |
636f9d37 VP |
754 | int t4_fw_config_file(struct adapter *adap, unsigned int mbox, |
755 | unsigned int mtype, unsigned int maddr, | |
756 | u32 *finiver, u32 *finicsum, u32 *cfcsum); | |
757 | int t4_fixup_host_params(struct adapter *adap, unsigned int page_size, | |
758 | unsigned int cache_line_size); | |
759 | int t4_fw_initialize(struct adapter *adap, unsigned int mbox); | |
625ba2c2 DM |
760 | int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf, |
761 | unsigned int vf, unsigned int nparams, const u32 *params, | |
762 | u32 *val); | |
763 | int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
764 | unsigned int vf, unsigned int nparams, const u32 *params, | |
765 | const u32 *val); | |
766 | int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
767 | unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl, | |
768 | unsigned int rxqi, unsigned int rxq, unsigned int tc, | |
769 | unsigned int vi, unsigned int cmask, unsigned int pmask, | |
770 | unsigned int nexact, unsigned int rcaps, unsigned int wxcaps); | |
771 | int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port, | |
772 | unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac, | |
773 | unsigned int *rss_size); | |
625ba2c2 | 774 | int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid, |
f8f5aafa DM |
775 | int mtu, int promisc, int all_multi, int bcast, int vlanex, |
776 | bool sleep_ok); | |
625ba2c2 DM |
777 | int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox, |
778 | unsigned int viid, bool free, unsigned int naddr, | |
779 | const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok); | |
780 | int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid, | |
781 | int idx, const u8 *addr, bool persist, bool add_smt); | |
782 | int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid, | |
783 | bool ucast, u64 vec, bool sleep_ok); | |
784 | int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid, | |
785 | bool rx_en, bool tx_en); | |
786 | int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid, | |
787 | unsigned int nblinks); | |
788 | int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, | |
789 | unsigned int mmd, unsigned int reg, u16 *valp); | |
790 | int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, | |
791 | unsigned int mmd, unsigned int reg, u16 val); | |
625ba2c2 DM |
792 | int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, |
793 | unsigned int vf, unsigned int iqtype, unsigned int iqid, | |
794 | unsigned int fl0id, unsigned int fl1id); | |
795 | int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
796 | unsigned int vf, unsigned int eqid); | |
797 | int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
798 | unsigned int vf, unsigned int eqid); | |
799 | int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
800 | unsigned int vf, unsigned int eqid); | |
801 | int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl); | |
881806bc VP |
802 | void t4_db_full(struct adapter *adapter); |
803 | void t4_db_dropped(struct adapter *adapter); | |
8caa1e84 VP |
804 | int t4_mem_win_read_len(struct adapter *adap, u32 addr, __be32 *data, int len); |
805 | int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox, | |
806 | u32 addr, u32 val); | |
625ba2c2 | 807 | #endif /* __CXGB4_H__ */ |