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77241056 MM |
1 | #ifndef _HFI1_KERNEL_H |
2 | #define _HFI1_KERNEL_H | |
3 | /* | |
05d6ac1d | 4 | * Copyright(c) 2015, 2016 Intel Corporation. |
77241056 MM |
5 | * |
6 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
7 | * redistributing this file, you may do so under either license. | |
8 | * | |
9 | * GPL LICENSE SUMMARY | |
10 | * | |
77241056 MM |
11 | * This program is free software; you can redistribute it and/or modify |
12 | * it under the terms of version 2 of the GNU General Public License as | |
13 | * published by the Free Software Foundation. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, but | |
16 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | * General Public License for more details. | |
19 | * | |
20 | * BSD LICENSE | |
21 | * | |
77241056 MM |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
25 | * | |
26 | * - Redistributions of source code must retain the above copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * - Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in | |
30 | * the documentation and/or other materials provided with the | |
31 | * distribution. | |
32 | * - Neither the name of Intel Corporation nor the names of its | |
33 | * contributors may be used to endorse or promote products derived | |
34 | * from this software without specific prior written permission. | |
35 | * | |
36 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
37 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
38 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
39 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
40 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
42 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
43 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
44 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
45 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
46 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
47 | * | |
48 | */ | |
49 | ||
50 | #include <linux/interrupt.h> | |
51 | #include <linux/pci.h> | |
52 | #include <linux/dma-mapping.h> | |
53 | #include <linux/mutex.h> | |
54 | #include <linux/list.h> | |
55 | #include <linux/scatterlist.h> | |
56 | #include <linux/slab.h> | |
57 | #include <linux/io.h> | |
58 | #include <linux/fs.h> | |
59 | #include <linux/completion.h> | |
60 | #include <linux/kref.h> | |
61 | #include <linux/sched.h> | |
62 | #include <linux/cdev.h> | |
63 | #include <linux/delay.h> | |
64 | #include <linux/kthread.h> | |
dba715f0 DL |
65 | #include <linux/i2c.h> |
66 | #include <linux/i2c-algo-bit.h> | |
261a4351 | 67 | #include <rdma/ib_hdrs.h> |
ec3f2c12 | 68 | #include <rdma/rdma_vt.h> |
77241056 MM |
69 | |
70 | #include "chip_registers.h" | |
71 | #include "common.h" | |
72 | #include "verbs.h" | |
73 | #include "pio.h" | |
74 | #include "chip.h" | |
75 | #include "mad.h" | |
76 | #include "qsfp.h" | |
8ebd4cf1 | 77 | #include "platform.h" |
957558c9 | 78 | #include "affinity.h" |
77241056 MM |
79 | |
80 | /* bumped 1 from s/w major version of TrueScale */ | |
81 | #define HFI1_CHIP_VERS_MAJ 3U | |
82 | ||
83 | /* don't care about this except printing */ | |
84 | #define HFI1_CHIP_VERS_MIN 0U | |
85 | ||
86 | /* The Organization Unique Identifier (Mfg code), and its position in GUID */ | |
87 | #define HFI1_OUI 0x001175 | |
88 | #define HFI1_OUI_LSB 40 | |
89 | ||
90 | #define DROP_PACKET_OFF 0 | |
91 | #define DROP_PACKET_ON 1 | |
92 | ||
93 | extern unsigned long hfi1_cap_mask; | |
94 | #define HFI1_CAP_KGET_MASK(mask, cap) ((mask) & HFI1_CAP_##cap) | |
95 | #define HFI1_CAP_UGET_MASK(mask, cap) \ | |
96 | (((mask) >> HFI1_CAP_USER_SHIFT) & HFI1_CAP_##cap) | |
97 | #define HFI1_CAP_KGET(cap) (HFI1_CAP_KGET_MASK(hfi1_cap_mask, cap)) | |
98 | #define HFI1_CAP_UGET(cap) (HFI1_CAP_UGET_MASK(hfi1_cap_mask, cap)) | |
99 | #define HFI1_CAP_IS_KSET(cap) (!!HFI1_CAP_KGET(cap)) | |
100 | #define HFI1_CAP_IS_USET(cap) (!!HFI1_CAP_UGET(cap)) | |
101 | #define HFI1_MISC_GET() ((hfi1_cap_mask >> HFI1_CAP_MISC_SHIFT) & \ | |
102 | HFI1_CAP_MISC_MASK) | |
a9c05e35 BM |
103 | /* Offline Disabled Reason is 4-bits */ |
104 | #define HFI1_ODR_MASK(rsn) ((rsn) & OPA_PI_MASK_OFFLINE_REASON) | |
77241056 | 105 | |
82c2611d NV |
106 | /* |
107 | * Control context is always 0 and handles the error packets. | |
108 | * It also handles the VL15 and multicast packets. | |
109 | */ | |
110 | #define HFI1_CTRL_CTXT 0 | |
111 | ||
2c5b521a JR |
112 | /* |
113 | * Driver context will store software counters for each of the events | |
114 | * associated with these status registers | |
115 | */ | |
116 | #define NUM_CCE_ERR_STATUS_COUNTERS 41 | |
117 | #define NUM_RCV_ERR_STATUS_COUNTERS 64 | |
118 | #define NUM_MISC_ERR_STATUS_COUNTERS 13 | |
119 | #define NUM_SEND_PIO_ERR_STATUS_COUNTERS 36 | |
120 | #define NUM_SEND_DMA_ERR_STATUS_COUNTERS 4 | |
121 | #define NUM_SEND_EGRESS_ERR_STATUS_COUNTERS 64 | |
122 | #define NUM_SEND_ERR_STATUS_COUNTERS 3 | |
123 | #define NUM_SEND_CTXT_ERR_STATUS_COUNTERS 5 | |
124 | #define NUM_SEND_DMA_ENG_ERR_STATUS_COUNTERS 24 | |
125 | ||
77241056 MM |
126 | /* |
127 | * per driver stats, either not device nor port-specific, or | |
128 | * summed over all of the devices and ports. | |
129 | * They are described by name via ipathfs filesystem, so layout | |
130 | * and number of elements can change without breaking compatibility. | |
131 | * If members are added or deleted hfi1_statnames[] in debugfs.c must | |
132 | * change to match. | |
133 | */ | |
134 | struct hfi1_ib_stats { | |
135 | __u64 sps_ints; /* number of interrupts handled */ | |
136 | __u64 sps_errints; /* number of error interrupts */ | |
137 | __u64 sps_txerrs; /* tx-related packet errors */ | |
138 | __u64 sps_rcverrs; /* non-crc rcv packet errors */ | |
139 | __u64 sps_hwerrs; /* hardware errors reported (parity, etc.) */ | |
140 | __u64 sps_nopiobufs; /* no pio bufs avail from kernel */ | |
141 | __u64 sps_ctxts; /* number of contexts currently open */ | |
142 | __u64 sps_lenerrs; /* number of kernel packets where RHF != LRH len */ | |
143 | __u64 sps_buffull; | |
144 | __u64 sps_hdrfull; | |
145 | }; | |
146 | ||
147 | extern struct hfi1_ib_stats hfi1_stats; | |
148 | extern const struct pci_error_handlers hfi1_pci_err_handler; | |
149 | ||
150 | /* | |
151 | * First-cut criterion for "device is active" is | |
152 | * two thousand dwords combined Tx, Rx traffic per | |
153 | * 5-second interval. SMA packets are 64 dwords, | |
154 | * and occur "a few per second", presumably each way. | |
155 | */ | |
156 | #define HFI1_TRAFFIC_ACTIVE_THRESHOLD (2000) | |
157 | ||
158 | /* | |
159 | * Below contains all data related to a single context (formerly called port). | |
160 | */ | |
161 | ||
162 | #ifdef CONFIG_DEBUG_FS | |
163 | struct hfi1_opcode_stats_perctx; | |
164 | #endif | |
165 | ||
77241056 MM |
166 | struct ctxt_eager_bufs { |
167 | ssize_t size; /* total size of eager buffers */ | |
168 | u32 count; /* size of buffers array */ | |
169 | u32 numbufs; /* number of buffers allocated */ | |
170 | u32 alloced; /* number of rcvarray entries used */ | |
171 | u32 rcvtid_size; /* size of each eager rcv tid */ | |
172 | u32 threshold; /* head update threshold */ | |
173 | struct eager_buffer { | |
174 | void *addr; | |
60368186 | 175 | dma_addr_t dma; |
77241056 MM |
176 | ssize_t len; |
177 | } *buffers; | |
178 | struct { | |
179 | void *addr; | |
60368186 | 180 | dma_addr_t dma; |
77241056 MM |
181 | } *rcvtids; |
182 | }; | |
183 | ||
a86cd357 MH |
184 | struct exp_tid_set { |
185 | struct list_head list; | |
186 | u32 count; | |
187 | }; | |
188 | ||
77241056 MM |
189 | struct hfi1_ctxtdata { |
190 | /* shadow the ctxt's RcvCtrl register */ | |
191 | u64 rcvctrl; | |
192 | /* rcvhdrq base, needs mmap before useful */ | |
193 | void *rcvhdrq; | |
194 | /* kernel virtual address where hdrqtail is updated */ | |
195 | volatile __le64 *rcvhdrtail_kvaddr; | |
196 | /* | |
197 | * Shared page for kernel to signal user processes that send buffers | |
198 | * need disarming. The process should call HFI1_CMD_DISARM_BUFS | |
199 | * or HFI1_CMD_ACK_EVENT with IPATH_EVENT_DISARM_BUFS set. | |
200 | */ | |
201 | unsigned long *user_event_mask; | |
202 | /* when waiting for rcv or pioavail */ | |
203 | wait_queue_head_t wait; | |
204 | /* rcvhdrq size (for freeing) */ | |
205 | size_t rcvhdrq_size; | |
206 | /* number of rcvhdrq entries */ | |
207 | u16 rcvhdrq_cnt; | |
208 | /* size of each of the rcvhdrq entries */ | |
209 | u16 rcvhdrqentsize; | |
210 | /* mmap of hdrq, must fit in 44 bits */ | |
60368186 TK |
211 | dma_addr_t rcvhdrq_dma; |
212 | dma_addr_t rcvhdrqtailaddr_dma; | |
77241056 MM |
213 | struct ctxt_eager_bufs egrbufs; |
214 | /* this receive context's assigned PIO ACK send context */ | |
215 | struct send_context *sc; | |
216 | ||
217 | /* dynamic receive available interrupt timeout */ | |
218 | u32 rcvavail_timeout; | |
219 | /* | |
220 | * number of opens (including slave sub-contexts) on this instance | |
221 | * (ignoring forks, dup, etc. for now) | |
222 | */ | |
223 | int cnt; | |
224 | /* | |
225 | * how much space to leave at start of eager TID entries for | |
226 | * protocol use, on each TID | |
227 | */ | |
228 | /* instead of calculating it */ | |
229 | unsigned ctxt; | |
230 | /* non-zero if ctxt is being shared. */ | |
231 | u16 subctxt_cnt; | |
232 | /* non-zero if ctxt is being shared. */ | |
233 | u16 subctxt_id; | |
234 | u8 uuid[16]; | |
235 | /* job key */ | |
236 | u16 jkey; | |
237 | /* number of RcvArray groups for this context. */ | |
238 | u32 rcv_array_groups; | |
239 | /* index of first eager TID entry. */ | |
240 | u32 eager_base; | |
241 | /* number of expected TID entries */ | |
242 | u32 expected_count; | |
243 | /* index of first expected TID entry. */ | |
244 | u32 expected_base; | |
a86cd357 MH |
245 | |
246 | struct exp_tid_set tid_group_list; | |
247 | struct exp_tid_set tid_used_list; | |
248 | struct exp_tid_set tid_full_list; | |
249 | ||
77241056 | 250 | /* lock protecting all Expected TID data */ |
463e6ebc | 251 | struct mutex exp_lock; |
77241056 MM |
252 | /* number of pio bufs for this ctxt (all procs, if shared) */ |
253 | u32 piocnt; | |
254 | /* first pio buffer for this ctxt */ | |
255 | u32 pio_base; | |
256 | /* chip offset of PIO buffers for this ctxt */ | |
257 | u32 piobufs; | |
258 | /* per-context configuration flags */ | |
bdf7752e | 259 | unsigned long flags; |
77241056 MM |
260 | /* per-context event flags for fileops/intr communication */ |
261 | unsigned long event_flags; | |
262 | /* WAIT_RCV that timed out, no interrupt */ | |
263 | u32 rcvwait_to; | |
264 | /* WAIT_PIO that timed out, no interrupt */ | |
265 | u32 piowait_to; | |
266 | /* WAIT_RCV already happened, no wait */ | |
267 | u32 rcvnowait; | |
268 | /* WAIT_PIO already happened, no wait */ | |
269 | u32 pionowait; | |
270 | /* total number of polled urgent packets */ | |
271 | u32 urgent; | |
272 | /* saved total number of polled urgent packets for poll edge trigger */ | |
273 | u32 urgent_poll; | |
77241056 | 274 | /* same size as task_struct .comm[], command that opened context */ |
c3af8a28 | 275 | char comm[TASK_COMM_LEN]; |
77241056 MM |
276 | /* so file ops can get at unit */ |
277 | struct hfi1_devdata *dd; | |
278 | /* so functions that need physical port can get it easily */ | |
279 | struct hfi1_pportdata *ppd; | |
280 | /* A page of memory for rcvhdrhead, rcvegrhead, rcvegrtail * N */ | |
281 | void *subctxt_uregbase; | |
282 | /* An array of pages for the eager receive buffers * N */ | |
283 | void *subctxt_rcvegrbuf; | |
284 | /* An array of pages for the eager header queue entries * N */ | |
285 | void *subctxt_rcvhdr_base; | |
286 | /* The version of the library which opened this ctxt */ | |
287 | u32 userversion; | |
288 | /* Bitmask of active slaves */ | |
289 | u32 active_slaves; | |
290 | /* Type of packets or conditions we want to poll for */ | |
291 | u16 poll_type; | |
292 | /* receive packet sequence counter */ | |
293 | u8 seq_cnt; | |
294 | u8 redirect_seq_cnt; | |
295 | /* ctxt rcvhdrq head offset */ | |
296 | u32 head; | |
297 | u32 pkt_count; | |
298 | /* QPs waiting for context processing */ | |
299 | struct list_head qp_wait_list; | |
300 | /* interrupt handling */ | |
301 | u64 imask; /* clear interrupt mask */ | |
302 | int ireg; /* clear interrupt register */ | |
303 | unsigned numa_id; /* numa node of this context */ | |
304 | /* verbs stats per CTX */ | |
305 | struct hfi1_opcode_stats_perctx *opstats; | |
306 | /* | |
307 | * This is the kernel thread that will keep making | |
308 | * progress on the user sdma requests behind the scenes. | |
309 | * There is one per context (shared contexts use the master's). | |
310 | */ | |
311 | struct task_struct *progress; | |
312 | struct list_head sdma_queues; | |
6a14c5ea | 313 | /* protect sdma queues */ |
77241056 MM |
314 | spinlock_t sdma_qlock; |
315 | ||
affa48de AD |
316 | /* Is ASPM interrupt supported for this context */ |
317 | bool aspm_intr_supported; | |
318 | /* ASPM state (enabled/disabled) for this context */ | |
319 | bool aspm_enabled; | |
320 | /* Timer for re-enabling ASPM if interrupt activity quietens down */ | |
321 | struct timer_list aspm_timer; | |
322 | /* Lock to serialize between intr, timer intr and user threads */ | |
323 | spinlock_t aspm_lock; | |
324 | /* Is ASPM processing enabled for this context (in intr context) */ | |
325 | bool aspm_intr_enable; | |
326 | /* Last interrupt timestamp */ | |
327 | ktime_t aspm_ts_last_intr; | |
328 | /* Last timestamp at which we scheduled a timer for this context */ | |
329 | ktime_t aspm_ts_timer_sched; | |
330 | ||
77241056 MM |
331 | /* |
332 | * The interrupt handler for a particular receive context can vary | |
333 | * throughout it's lifetime. This is not a lock protected data member so | |
334 | * it must be updated atomically and the prev and new value must always | |
335 | * be valid. Worst case is we process an extra interrupt and up to 64 | |
336 | * packets with the wrong interrupt handler. | |
337 | */ | |
f4f30031 | 338 | int (*do_interrupt)(struct hfi1_ctxtdata *rcd, int threaded); |
77241056 MM |
339 | }; |
340 | ||
341 | /* | |
342 | * Represents a single packet at a high level. Put commonly computed things in | |
343 | * here so we do not have to keep doing them over and over. The rule of thumb is | |
344 | * if something is used one time to derive some value, store that something in | |
345 | * here. If it is used multiple times, then store the result of that derivation | |
346 | * in here. | |
347 | */ | |
348 | struct hfi1_packet { | |
349 | void *ebuf; | |
350 | void *hdr; | |
351 | struct hfi1_ctxtdata *rcd; | |
352 | __le32 *rhf_addr; | |
895420dd | 353 | struct rvt_qp *qp; |
261a4351 | 354 | struct ib_other_headers *ohdr; |
77241056 MM |
355 | u64 rhf; |
356 | u32 maxcnt; | |
357 | u32 rhqoff; | |
358 | u32 hdrqtail; | |
359 | int numpkt; | |
360 | u16 tlen; | |
361 | u16 hlen; | |
362 | s16 etail; | |
363 | u16 rsize; | |
364 | u8 updegr; | |
365 | u8 rcv_flags; | |
366 | u8 etype; | |
367 | }; | |
368 | ||
77241056 MM |
369 | /* |
370 | * Private data for snoop/capture support. | |
371 | */ | |
372 | struct hfi1_snoop_data { | |
373 | int mode_flag; | |
374 | struct cdev cdev; | |
375 | struct device *class_dev; | |
6a14c5ea | 376 | /* protect snoop data */ |
77241056 MM |
377 | spinlock_t snoop_lock; |
378 | struct list_head queue; | |
379 | wait_queue_head_t waitq; | |
380 | void *filter_value; | |
381 | int (*filter_callback)(void *hdr, void *data, void *value); | |
382 | u64 dcc_cfg; /* saved value of DCC Cfg register */ | |
383 | }; | |
384 | ||
385 | /* snoop mode_flag values */ | |
386 | #define HFI1_PORT_SNOOP_MODE 1U | |
387 | #define HFI1_PORT_CAPTURE_MODE 2U | |
388 | ||
895420dd | 389 | struct rvt_sge_state; |
77241056 MM |
390 | |
391 | /* | |
392 | * Get/Set IB link-level config parameters for f_get/set_ib_cfg() | |
393 | * Mostly for MADs that set or query link parameters, also ipath | |
394 | * config interfaces | |
395 | */ | |
396 | #define HFI1_IB_CFG_LIDLMC 0 /* LID (LS16b) and Mask (MS16b) */ | |
397 | #define HFI1_IB_CFG_LWID_DG_ENB 1 /* allowed Link-width downgrade */ | |
398 | #define HFI1_IB_CFG_LWID_ENB 2 /* allowed Link-width */ | |
399 | #define HFI1_IB_CFG_LWID 3 /* currently active Link-width */ | |
400 | #define HFI1_IB_CFG_SPD_ENB 4 /* allowed Link speeds */ | |
401 | #define HFI1_IB_CFG_SPD 5 /* current Link spd */ | |
402 | #define HFI1_IB_CFG_RXPOL_ENB 6 /* Auto-RX-polarity enable */ | |
403 | #define HFI1_IB_CFG_LREV_ENB 7 /* Auto-Lane-reversal enable */ | |
404 | #define HFI1_IB_CFG_LINKLATENCY 8 /* Link Latency (IB1.2 only) */ | |
405 | #define HFI1_IB_CFG_HRTBT 9 /* IB heartbeat off/enable/auto; DDR/QDR only */ | |
406 | #define HFI1_IB_CFG_OP_VLS 10 /* operational VLs */ | |
407 | #define HFI1_IB_CFG_VL_HIGH_CAP 11 /* num of VL high priority weights */ | |
408 | #define HFI1_IB_CFG_VL_LOW_CAP 12 /* num of VL low priority weights */ | |
409 | #define HFI1_IB_CFG_OVERRUN_THRESH 13 /* IB overrun threshold */ | |
410 | #define HFI1_IB_CFG_PHYERR_THRESH 14 /* IB PHY error threshold */ | |
411 | #define HFI1_IB_CFG_LINKDEFAULT 15 /* IB link default (sleep/poll) */ | |
412 | #define HFI1_IB_CFG_PKEYS 16 /* update partition keys */ | |
413 | #define HFI1_IB_CFG_MTU 17 /* update MTU in IBC */ | |
414 | #define HFI1_IB_CFG_VL_HIGH_LIMIT 19 | |
415 | #define HFI1_IB_CFG_PMA_TICKS 20 /* PMA sample tick resolution */ | |
416 | #define HFI1_IB_CFG_PORT 21 /* switch port we are connected to */ | |
417 | ||
418 | /* | |
419 | * HFI or Host Link States | |
420 | * | |
421 | * These describe the states the driver thinks the logical and physical | |
422 | * states are in. Used as an argument to set_link_state(). Implemented | |
423 | * as bits for easy multi-state checking. The actual state can only be | |
424 | * one. | |
425 | */ | |
426 | #define __HLS_UP_INIT_BP 0 | |
427 | #define __HLS_UP_ARMED_BP 1 | |
428 | #define __HLS_UP_ACTIVE_BP 2 | |
429 | #define __HLS_DN_DOWNDEF_BP 3 /* link down default */ | |
430 | #define __HLS_DN_POLL_BP 4 | |
431 | #define __HLS_DN_DISABLE_BP 5 | |
432 | #define __HLS_DN_OFFLINE_BP 6 | |
433 | #define __HLS_VERIFY_CAP_BP 7 | |
434 | #define __HLS_GOING_UP_BP 8 | |
435 | #define __HLS_GOING_OFFLINE_BP 9 | |
436 | #define __HLS_LINK_COOLDOWN_BP 10 | |
437 | ||
349ac71f | 438 | #define HLS_UP_INIT BIT(__HLS_UP_INIT_BP) |
439 | #define HLS_UP_ARMED BIT(__HLS_UP_ARMED_BP) | |
440 | #define HLS_UP_ACTIVE BIT(__HLS_UP_ACTIVE_BP) | |
441 | #define HLS_DN_DOWNDEF BIT(__HLS_DN_DOWNDEF_BP) /* link down default */ | |
442 | #define HLS_DN_POLL BIT(__HLS_DN_POLL_BP) | |
443 | #define HLS_DN_DISABLE BIT(__HLS_DN_DISABLE_BP) | |
444 | #define HLS_DN_OFFLINE BIT(__HLS_DN_OFFLINE_BP) | |
445 | #define HLS_VERIFY_CAP BIT(__HLS_VERIFY_CAP_BP) | |
446 | #define HLS_GOING_UP BIT(__HLS_GOING_UP_BP) | |
447 | #define HLS_GOING_OFFLINE BIT(__HLS_GOING_OFFLINE_BP) | |
448 | #define HLS_LINK_COOLDOWN BIT(__HLS_LINK_COOLDOWN_BP) | |
77241056 MM |
449 | |
450 | #define HLS_UP (HLS_UP_INIT | HLS_UP_ARMED | HLS_UP_ACTIVE) | |
0c7f77af | 451 | #define HLS_DOWN ~(HLS_UP) |
77241056 MM |
452 | |
453 | /* use this MTU size if none other is given */ | |
ef699e84 | 454 | #define HFI1_DEFAULT_ACTIVE_MTU 10240 |
77241056 | 455 | /* use this MTU size as the default maximum */ |
ef699e84 | 456 | #define HFI1_DEFAULT_MAX_MTU 10240 |
77241056 MM |
457 | /* default partition key */ |
458 | #define DEFAULT_PKEY 0xffff | |
459 | ||
460 | /* | |
461 | * Possible fabric manager config parameters for fm_{get,set}_table() | |
462 | */ | |
463 | #define FM_TBL_VL_HIGH_ARB 1 /* Get/set VL high prio weights */ | |
464 | #define FM_TBL_VL_LOW_ARB 2 /* Get/set VL low prio weights */ | |
465 | #define FM_TBL_BUFFER_CONTROL 3 /* Get/set Buffer Control */ | |
466 | #define FM_TBL_SC2VLNT 4 /* Get/set SC->VLnt */ | |
467 | #define FM_TBL_VL_PREEMPT_ELEMS 5 /* Get (no set) VL preempt elems */ | |
468 | #define FM_TBL_VL_PREEMPT_MATRIX 6 /* Get (no set) VL preempt matrix */ | |
469 | ||
470 | /* | |
471 | * Possible "operations" for f_rcvctrl(ppd, op, ctxt) | |
472 | * these are bits so they can be combined, e.g. | |
473 | * HFI1_RCVCTRL_INTRAVAIL_ENB | HFI1_RCVCTRL_CTXT_ENB | |
474 | */ | |
475 | #define HFI1_RCVCTRL_TAILUPD_ENB 0x01 | |
476 | #define HFI1_RCVCTRL_TAILUPD_DIS 0x02 | |
477 | #define HFI1_RCVCTRL_CTXT_ENB 0x04 | |
478 | #define HFI1_RCVCTRL_CTXT_DIS 0x08 | |
479 | #define HFI1_RCVCTRL_INTRAVAIL_ENB 0x10 | |
480 | #define HFI1_RCVCTRL_INTRAVAIL_DIS 0x20 | |
481 | #define HFI1_RCVCTRL_PKEY_ENB 0x40 /* Note, default is enabled */ | |
482 | #define HFI1_RCVCTRL_PKEY_DIS 0x80 | |
483 | #define HFI1_RCVCTRL_TIDFLOW_ENB 0x0400 | |
484 | #define HFI1_RCVCTRL_TIDFLOW_DIS 0x0800 | |
485 | #define HFI1_RCVCTRL_ONE_PKT_EGR_ENB 0x1000 | |
486 | #define HFI1_RCVCTRL_ONE_PKT_EGR_DIS 0x2000 | |
487 | #define HFI1_RCVCTRL_NO_RHQ_DROP_ENB 0x4000 | |
488 | #define HFI1_RCVCTRL_NO_RHQ_DROP_DIS 0x8000 | |
489 | #define HFI1_RCVCTRL_NO_EGR_DROP_ENB 0x10000 | |
490 | #define HFI1_RCVCTRL_NO_EGR_DROP_DIS 0x20000 | |
491 | ||
492 | /* partition enforcement flags */ | |
493 | #define HFI1_PART_ENFORCE_IN 0x1 | |
494 | #define HFI1_PART_ENFORCE_OUT 0x2 | |
495 | ||
496 | /* how often we check for synthetic counter wrap around */ | |
497 | #define SYNTH_CNT_TIME 2 | |
498 | ||
499 | /* Counter flags */ | |
500 | #define CNTR_NORMAL 0x0 /* Normal counters, just read register */ | |
501 | #define CNTR_SYNTH 0x1 /* Synthetic counters, saturate at all 1s */ | |
502 | #define CNTR_DISABLED 0x2 /* Disable this counter */ | |
503 | #define CNTR_32BIT 0x4 /* Simulate 64 bits for this counter */ | |
504 | #define CNTR_VL 0x8 /* Per VL counter */ | |
a699c6c2 | 505 | #define CNTR_SDMA 0x10 |
77241056 MM |
506 | #define CNTR_INVALID_VL -1 /* Specifies invalid VL */ |
507 | #define CNTR_MODE_W 0x0 | |
508 | #define CNTR_MODE_R 0x1 | |
509 | ||
510 | /* VLs Supported/Operational */ | |
511 | #define HFI1_MIN_VLS_SUPPORTED 1 | |
512 | #define HFI1_MAX_VLS_SUPPORTED 8 | |
513 | ||
514 | static inline void incr_cntr64(u64 *cntr) | |
515 | { | |
516 | if (*cntr < (u64)-1LL) | |
517 | (*cntr)++; | |
518 | } | |
519 | ||
520 | static inline void incr_cntr32(u32 *cntr) | |
521 | { | |
522 | if (*cntr < (u32)-1LL) | |
523 | (*cntr)++; | |
524 | } | |
525 | ||
526 | #define MAX_NAME_SIZE 64 | |
527 | struct hfi1_msix_entry { | |
957558c9 | 528 | enum irq_type type; |
77241056 MM |
529 | struct msix_entry msix; |
530 | void *arg; | |
531 | char name[MAX_NAME_SIZE]; | |
957558c9 | 532 | cpumask_t mask; |
77241056 MM |
533 | }; |
534 | ||
535 | /* per-SL CCA information */ | |
536 | struct cca_timer { | |
537 | struct hrtimer hrtimer; | |
538 | struct hfi1_pportdata *ppd; /* read-only */ | |
539 | int sl; /* read-only */ | |
540 | u16 ccti; /* read/write - current value of CCTI */ | |
541 | }; | |
542 | ||
543 | struct link_down_reason { | |
544 | /* | |
545 | * SMA-facing value. Should be set from .latest when | |
546 | * HLS_UP_* -> HLS_DN_* transition actually occurs. | |
547 | */ | |
548 | u8 sma; | |
549 | u8 latest; | |
550 | }; | |
551 | ||
552 | enum { | |
553 | LO_PRIO_TABLE, | |
554 | HI_PRIO_TABLE, | |
555 | MAX_PRIO_TABLE | |
556 | }; | |
557 | ||
558 | struct vl_arb_cache { | |
6a14c5ea | 559 | /* protect vl arb cache */ |
77241056 MM |
560 | spinlock_t lock; |
561 | struct ib_vl_weight_elem table[VL_ARB_TABLE_SIZE]; | |
562 | }; | |
563 | ||
564 | /* | |
565 | * The structure below encapsulates data relevant to a physical IB Port. | |
566 | * Current chips support only one such port, but the separation | |
567 | * clarifies things a bit. Note that to conform to IB conventions, | |
568 | * port-numbers are one-based. The first or only port is port1. | |
569 | */ | |
570 | struct hfi1_pportdata { | |
571 | struct hfi1_ibport ibport_data; | |
572 | ||
573 | struct hfi1_devdata *dd; | |
574 | struct kobject pport_cc_kobj; | |
575 | struct kobject sc2vl_kobj; | |
576 | struct kobject sl2sc_kobj; | |
577 | struct kobject vl2mtu_kobj; | |
578 | ||
8ebd4cf1 EH |
579 | /* PHY support */ |
580 | u32 port_type; | |
77241056 MM |
581 | struct qsfp_data qsfp_info; |
582 | ||
583 | /* GUID for this interface, in host order */ | |
584 | u64 guid; | |
585 | /* GUID for peer interface, in host order */ | |
586 | u64 neighbor_guid; | |
587 | ||
588 | /* up or down physical link state */ | |
589 | u32 linkup; | |
590 | ||
591 | /* | |
592 | * this address is mapped read-only into user processes so they can | |
593 | * get status cheaply, whenever they want. One qword of status per port | |
594 | */ | |
595 | u64 *statusp; | |
596 | ||
597 | /* SendDMA related entries */ | |
598 | ||
599 | struct workqueue_struct *hfi1_wq; | |
600 | ||
601 | /* move out of interrupt context */ | |
602 | struct work_struct link_vc_work; | |
603 | struct work_struct link_up_work; | |
604 | struct work_struct link_down_work; | |
605 | struct work_struct sma_message_work; | |
606 | struct work_struct freeze_work; | |
607 | struct work_struct link_downgrade_work; | |
608 | struct work_struct link_bounce_work; | |
673b975f | 609 | struct delayed_work start_link_work; |
77241056 MM |
610 | /* host link state variables */ |
611 | struct mutex hls_lock; | |
612 | u32 host_link_state; | |
613 | ||
614 | spinlock_t sdma_alllock ____cacheline_aligned_in_smp; | |
615 | ||
616 | u32 lstate; /* logical link state */ | |
617 | ||
618 | /* these are the "32 bit" regs */ | |
619 | ||
620 | u32 ibmtu; /* The MTU programmed for this unit */ | |
621 | /* | |
622 | * Current max size IB packet (in bytes) including IB headers, that | |
623 | * we can send. Changes when ibmtu changes. | |
624 | */ | |
625 | u32 ibmaxlen; | |
626 | u32 current_egress_rate; /* units [10^6 bits/sec] */ | |
627 | /* LID programmed for this instance */ | |
628 | u16 lid; | |
629 | /* list of pkeys programmed; 0 if not set */ | |
630 | u16 pkeys[MAX_PKEY_VALUES]; | |
631 | u16 link_width_supported; | |
632 | u16 link_width_downgrade_supported; | |
633 | u16 link_speed_supported; | |
634 | u16 link_width_enabled; | |
635 | u16 link_width_downgrade_enabled; | |
636 | u16 link_speed_enabled; | |
637 | u16 link_width_active; | |
638 | u16 link_width_downgrade_tx_active; | |
639 | u16 link_width_downgrade_rx_active; | |
640 | u16 link_speed_active; | |
641 | u8 vls_supported; | |
642 | u8 vls_operational; | |
8a4d3444 | 643 | u8 actual_vls_operational; |
77241056 MM |
644 | /* LID mask control */ |
645 | u8 lmc; | |
646 | /* Rx Polarity inversion (compensate for ~tx on partner) */ | |
647 | u8 rx_pol_inv; | |
648 | ||
649 | u8 hw_pidx; /* physical port index */ | |
650 | u8 port; /* IB port number and index into dd->pports - 1 */ | |
651 | /* type of neighbor node */ | |
652 | u8 neighbor_type; | |
653 | u8 neighbor_normal; | |
654 | u8 neighbor_fm_security; /* 1 if firmware checking is disabled */ | |
655 | u8 neighbor_port_number; | |
656 | u8 is_sm_config_started; | |
657 | u8 offline_disabled_reason; | |
658 | u8 is_active_optimize_enabled; | |
659 | u8 driver_link_ready; /* driver ready for active link */ | |
660 | u8 link_enabled; /* link enabled? */ | |
661 | u8 linkinit_reason; | |
662 | u8 local_tx_rate; /* rate given to 8051 firmware */ | |
f45c8dc8 | 663 | u8 last_pstate; /* info only */ |
673b975f | 664 | u8 qsfp_retry_count; |
77241056 MM |
665 | |
666 | /* placeholders for IB MAD packet settings */ | |
667 | u8 overrun_threshold; | |
668 | u8 phy_error_threshold; | |
669 | ||
91ab4ed3 EH |
670 | /* Used to override LED behavior for things like maintenance beaconing*/ |
671 | /* | |
672 | * Alternates per phase of blink | |
673 | * [0] holds LED off duration, [1] holds LED on duration | |
674 | */ | |
675 | unsigned long led_override_vals[2]; | |
676 | u8 led_override_phase; /* LSB picks from vals[] */ | |
77241056 MM |
677 | atomic_t led_override_timer_active; |
678 | /* Used to flash LEDs in override mode */ | |
679 | struct timer_list led_override_timer; | |
91ab4ed3 | 680 | |
77241056 MM |
681 | u32 sm_trap_qp; |
682 | u32 sa_qp; | |
683 | ||
684 | /* | |
685 | * cca_timer_lock protects access to the per-SL cca_timer | |
686 | * structures (specifically the ccti member). | |
687 | */ | |
688 | spinlock_t cca_timer_lock ____cacheline_aligned_in_smp; | |
689 | struct cca_timer cca_timer[OPA_MAX_SLS]; | |
690 | ||
691 | /* List of congestion control table entries */ | |
692 | struct ib_cc_table_entry_shadow ccti_entries[CC_TABLE_SHADOW_MAX]; | |
693 | ||
694 | /* congestion entries, each entry corresponding to a SL */ | |
695 | struct opa_congestion_setting_entry_shadow | |
696 | congestion_entries[OPA_MAX_SLS]; | |
697 | ||
698 | /* | |
699 | * cc_state_lock protects (write) access to the per-port | |
700 | * struct cc_state. | |
701 | */ | |
702 | spinlock_t cc_state_lock ____cacheline_aligned_in_smp; | |
703 | ||
704 | struct cc_state __rcu *cc_state; | |
705 | ||
706 | /* Total number of congestion control table entries */ | |
707 | u16 total_cct_entry; | |
708 | ||
709 | /* Bit map identifying service level */ | |
710 | u32 cc_sl_control_map; | |
711 | ||
712 | /* CA's max number of 64 entry units in the congestion control table */ | |
713 | u8 cc_max_table_entries; | |
714 | ||
4d114fdd JJ |
715 | /* |
716 | * begin congestion log related entries | |
717 | * cc_log_lock protects all congestion log related data | |
718 | */ | |
77241056 | 719 | spinlock_t cc_log_lock ____cacheline_aligned_in_smp; |
8638b77f | 720 | u8 threshold_cong_event_map[OPA_MAX_SLS / 8]; |
77241056 MM |
721 | u16 threshold_event_counter; |
722 | struct opa_hfi1_cong_log_event_internal cc_events[OPA_CONG_LOG_ELEMS]; | |
723 | int cc_log_idx; /* index for logging events */ | |
724 | int cc_mad_idx; /* index for reporting events */ | |
725 | /* end congestion log related entries */ | |
726 | ||
727 | struct vl_arb_cache vl_arb_cache[MAX_PRIO_TABLE]; | |
728 | ||
729 | /* port relative counter buffer */ | |
730 | u64 *cntrs; | |
731 | /* port relative synthetic counter buffer */ | |
732 | u64 *scntrs; | |
69a00b8e | 733 | /* port_xmit_discards are synthesized from different egress errors */ |
77241056 | 734 | u64 port_xmit_discards; |
69a00b8e | 735 | u64 port_xmit_discards_vl[C_VL_COUNT]; |
77241056 MM |
736 | u64 port_xmit_constraint_errors; |
737 | u64 port_rcv_constraint_errors; | |
738 | /* count of 'link_err' interrupts from DC */ | |
739 | u64 link_downed; | |
740 | /* number of times link retrained successfully */ | |
741 | u64 link_up; | |
6d014530 DL |
742 | /* number of times a link unknown frame was reported */ |
743 | u64 unknown_frame_count; | |
77241056 MM |
744 | /* port_ltp_crc_mode is returned in 'portinfo' MADs */ |
745 | u16 port_ltp_crc_mode; | |
746 | /* port_crc_mode_enabled is the crc we support */ | |
747 | u8 port_crc_mode_enabled; | |
748 | /* mgmt_allowed is also returned in 'portinfo' MADs */ | |
749 | u8 mgmt_allowed; | |
750 | u8 part_enforce; /* partition enforcement flags */ | |
751 | struct link_down_reason local_link_down_reason; | |
752 | struct link_down_reason neigh_link_down_reason; | |
753 | /* Value to be sent to link peer on LinkDown .*/ | |
754 | u8 remote_link_down_reason; | |
755 | /* Error events that will cause a port bounce. */ | |
756 | u32 port_error_action; | |
fb9036dd | 757 | struct work_struct linkstate_active_work; |
6c9e50f8 VM |
758 | /* Does this port need to prescan for FECNs */ |
759 | bool cc_prescan; | |
77241056 MM |
760 | }; |
761 | ||
762 | typedef int (*rhf_rcv_function_ptr)(struct hfi1_packet *packet); | |
763 | ||
764 | typedef void (*opcode_handler)(struct hfi1_packet *packet); | |
765 | ||
766 | /* return values for the RHF receive functions */ | |
767 | #define RHF_RCV_CONTINUE 0 /* keep going */ | |
768 | #define RHF_RCV_DONE 1 /* stop, this packet processed */ | |
769 | #define RHF_RCV_REPROCESS 2 /* stop. retain this packet */ | |
770 | ||
771 | struct rcv_array_data { | |
772 | u8 group_size; | |
773 | u16 ngroups; | |
774 | u16 nctxt_extra; | |
775 | }; | |
776 | ||
777 | struct per_vl_data { | |
778 | u16 mtu; | |
779 | struct send_context *sc; | |
780 | }; | |
781 | ||
782 | /* 16 to directly index */ | |
783 | #define PER_VL_SEND_CONTEXTS 16 | |
784 | ||
785 | struct err_info_rcvport { | |
786 | u8 status_and_code; | |
787 | u64 packet_flit1; | |
788 | u64 packet_flit2; | |
789 | }; | |
790 | ||
791 | struct err_info_constraint { | |
792 | u8 status; | |
793 | u16 pkey; | |
794 | u32 slid; | |
795 | }; | |
796 | ||
797 | struct hfi1_temp { | |
798 | unsigned int curr; /* current temperature */ | |
799 | unsigned int lo_lim; /* low temperature limit */ | |
800 | unsigned int hi_lim; /* high temperature limit */ | |
801 | unsigned int crit_lim; /* critical temperature limit */ | |
802 | u8 triggers; /* temperature triggers */ | |
803 | }; | |
804 | ||
dba715f0 DL |
805 | struct hfi1_i2c_bus { |
806 | struct hfi1_devdata *controlling_dd; /* current controlling device */ | |
807 | struct i2c_adapter adapter; /* bus details */ | |
808 | struct i2c_algo_bit_data algo; /* bus algorithm details */ | |
809 | int num; /* bus number, 0 or 1 */ | |
810 | }; | |
811 | ||
78eb129d DL |
812 | /* common data between shared ASIC HFIs */ |
813 | struct hfi1_asic_data { | |
814 | struct hfi1_devdata *dds[2]; /* back pointers */ | |
815 | struct mutex asic_resource_mutex; | |
dba715f0 DL |
816 | struct hfi1_i2c_bus *i2c_bus0; |
817 | struct hfi1_i2c_bus *i2c_bus1; | |
78eb129d DL |
818 | }; |
819 | ||
77241056 MM |
820 | /* device data struct now contains only "general per-device" info. |
821 | * fields related to a physical IB port are in a hfi1_pportdata struct. | |
822 | */ | |
823 | struct sdma_engine; | |
824 | struct sdma_vl_map; | |
825 | ||
826 | #define BOARD_VERS_MAX 96 /* how long the version string can be */ | |
827 | #define SERIAL_MAX 16 /* length of the serial number */ | |
828 | ||
14553ca1 | 829 | typedef int (*send_routine)(struct rvt_qp *, struct hfi1_pkt_state *, u64); |
77241056 MM |
830 | struct hfi1_devdata { |
831 | struct hfi1_ibdev verbs_dev; /* must be first */ | |
832 | struct list_head list; | |
833 | /* pointers to related structs for this device */ | |
834 | /* pci access data structure */ | |
835 | struct pci_dev *pcidev; | |
836 | struct cdev user_cdev; | |
837 | struct cdev diag_cdev; | |
838 | struct cdev ui_cdev; | |
839 | struct device *user_device; | |
840 | struct device *diag_device; | |
841 | struct device *ui_device; | |
842 | ||
843 | /* mem-mapped pointer to base of chip regs */ | |
844 | u8 __iomem *kregbase; | |
845 | /* end of mem-mapped chip space excluding sendbuf and user regs */ | |
846 | u8 __iomem *kregend; | |
847 | /* physical address of chip for io_remap, etc. */ | |
848 | resource_size_t physaddr; | |
849 | /* receive context data */ | |
850 | struct hfi1_ctxtdata **rcd; | |
851 | /* send context data */ | |
852 | struct send_context_info *send_contexts; | |
853 | /* map hardware send contexts to software index */ | |
854 | u8 *hw_to_sw; | |
855 | /* spinlock for allocating and releasing send context resources */ | |
856 | spinlock_t sc_lock; | |
857 | /* Per VL data. Enough for all VLs but not all elements are set/used. */ | |
858 | struct per_vl_data vld[PER_VL_SEND_CONTEXTS]; | |
35f6befc JJ |
859 | /* lock for pio_map */ |
860 | spinlock_t pio_map_lock; | |
861 | /* array of kernel send contexts */ | |
862 | struct send_context **kernel_send_context; | |
863 | /* array of vl maps */ | |
864 | struct pio_vl_map __rcu *pio_map; | |
77241056 MM |
865 | /* seqlock for sc2vl */ |
866 | seqlock_t sc2vl_lock; | |
867 | u64 sc2vl[4]; | |
868 | /* Send Context initialization lock. */ | |
869 | spinlock_t sc_init_lock; | |
870 | ||
871 | /* fields common to all SDMA engines */ | |
872 | ||
873 | /* default flags to last descriptor */ | |
874 | u64 default_desc1; | |
875 | volatile __le64 *sdma_heads_dma; /* DMA'ed by chip */ | |
876 | dma_addr_t sdma_heads_phys; | |
877 | void *sdma_pad_dma; /* DMA'ed by chip */ | |
878 | dma_addr_t sdma_pad_phys; | |
879 | /* for deallocation */ | |
880 | size_t sdma_heads_size; | |
881 | /* number from the chip */ | |
882 | u32 chip_sdma_engines; | |
883 | /* num used */ | |
884 | u32 num_sdma; | |
885 | /* lock for sdma_map */ | |
886 | spinlock_t sde_map_lock; | |
887 | /* array of engines sized by num_sdma */ | |
888 | struct sdma_engine *per_sdma; | |
889 | /* array of vl maps */ | |
890 | struct sdma_vl_map __rcu *sdma_map; | |
891 | /* SPC freeze waitqueue and variable */ | |
892 | wait_queue_head_t sdma_unfreeze_wq; | |
893 | atomic_t sdma_unfreeze_count; | |
894 | ||
78eb129d DL |
895 | /* common data between shared ASIC HFIs in this OS */ |
896 | struct hfi1_asic_data *asic_data; | |
897 | ||
77241056 MM |
898 | /* hfi1_pportdata, points to array of (physical) port-specific |
899 | * data structs, indexed by pidx (0..n-1) | |
900 | */ | |
901 | struct hfi1_pportdata *pport; | |
902 | ||
903 | /* mem-mapped pointer to base of PIO buffers */ | |
904 | void __iomem *piobase; | |
905 | /* | |
906 | * write-combining mem-mapped pointer to base of RcvArray | |
907 | * memory. | |
908 | */ | |
909 | void __iomem *rcvarray_wc; | |
910 | /* | |
911 | * credit return base - a per-NUMA range of DMA address that | |
912 | * the chip will use to update the per-context free counter | |
913 | */ | |
914 | struct credit_return_base *cr_base; | |
915 | ||
916 | /* send context numbers and sizes for each type */ | |
917 | struct sc_config_sizes sc_sizes[SC_MAX]; | |
918 | ||
919 | u32 lcb_access_count; /* count of LCB users */ | |
920 | ||
921 | char *boardname; /* human readable board info */ | |
922 | ||
923 | /* device (not port) flags, basically device capabilities */ | |
924 | u32 flags; | |
925 | ||
926 | /* reset value */ | |
927 | u64 z_int_counter; | |
928 | u64 z_rcv_limit; | |
89abfc8d | 929 | u64 z_send_schedule; |
77241056 MM |
930 | /* percpu int_counter */ |
931 | u64 __percpu *int_counter; | |
932 | u64 __percpu *rcv_limit; | |
89abfc8d | 933 | u64 __percpu *send_schedule; |
77241056 MM |
934 | /* number of receive contexts in use by the driver */ |
935 | u32 num_rcv_contexts; | |
936 | /* number of pio send contexts in use by the driver */ | |
937 | u32 num_send_contexts; | |
938 | /* | |
939 | * number of ctxts available for PSM open | |
940 | */ | |
941 | u32 freectxts; | |
affa48de AD |
942 | /* total number of available user/PSM contexts */ |
943 | u32 num_user_contexts; | |
77241056 MM |
944 | /* base receive interrupt timeout, in CSR units */ |
945 | u32 rcv_intr_timeout_csr; | |
946 | ||
947 | u64 __iomem *egrtidbase; | |
948 | spinlock_t sendctrl_lock; /* protect changes to SendCtrl */ | |
949 | spinlock_t rcvctrl_lock; /* protect changes to RcvCtrl */ | |
950 | /* around rcd and (user ctxts) ctxt_cnt use (intr vs free) */ | |
951 | spinlock_t uctxt_lock; /* rcd and user context changes */ | |
952 | /* exclusive access to 8051 */ | |
953 | spinlock_t dc8051_lock; | |
954 | /* exclusive access to 8051 memory */ | |
955 | spinlock_t dc8051_memlock; | |
956 | int dc8051_timed_out; /* remember if the 8051 timed out */ | |
957 | /* | |
958 | * A page that will hold event notification bitmaps for all | |
959 | * contexts. This page will be mapped into all processes. | |
960 | */ | |
961 | unsigned long *events; | |
962 | /* | |
963 | * per unit status, see also portdata statusp | |
964 | * mapped read-only into user processes so they can get unit and | |
965 | * IB link status cheaply | |
966 | */ | |
967 | struct hfi1_status *status; | |
968 | u32 freezelen; /* max length of freezemsg */ | |
969 | ||
970 | /* revision register shadow */ | |
971 | u64 revision; | |
972 | /* Base GUID for device (network order) */ | |
973 | u64 base_guid; | |
974 | ||
975 | /* these are the "32 bit" regs */ | |
976 | ||
977 | /* value we put in kr_rcvhdrsize */ | |
978 | u32 rcvhdrsize; | |
979 | /* number of receive contexts the chip supports */ | |
980 | u32 chip_rcv_contexts; | |
981 | /* number of receive array entries */ | |
982 | u32 chip_rcv_array_count; | |
983 | /* number of PIO send contexts the chip supports */ | |
984 | u32 chip_send_contexts; | |
985 | /* number of bytes in the PIO memory buffer */ | |
986 | u32 chip_pio_mem_size; | |
987 | /* number of bytes in the SDMA memory buffer */ | |
988 | u32 chip_sdma_mem_size; | |
989 | ||
990 | /* size of each rcvegrbuffer */ | |
991 | u32 rcvegrbufsize; | |
992 | /* log2 of above */ | |
993 | u16 rcvegrbufsize_shift; | |
994 | /* both sides of the PCIe link are gen3 capable */ | |
995 | u8 link_gen3_capable; | |
996 | /* localbus width (1, 2,4,8,16,32) from config space */ | |
997 | u32 lbus_width; | |
998 | /* localbus speed in MHz */ | |
999 | u32 lbus_speed; | |
1000 | int unit; /* unit # of this chip */ | |
1001 | int node; /* home node of this chip */ | |
1002 | ||
1003 | /* save these PCI fields to restore after a reset */ | |
1004 | u32 pcibar0; | |
1005 | u32 pcibar1; | |
1006 | u32 pci_rom; | |
1007 | u16 pci_command; | |
1008 | u16 pcie_devctl; | |
1009 | u16 pcie_lnkctl; | |
1010 | u16 pcie_devctl2; | |
1011 | u32 pci_msix0; | |
1012 | u32 pci_lnkctl3; | |
1013 | u32 pci_tph2; | |
1014 | ||
1015 | /* | |
1016 | * ASCII serial number, from flash, large enough for original | |
1017 | * all digit strings, and longer serial number format | |
1018 | */ | |
1019 | u8 serial[SERIAL_MAX]; | |
1020 | /* human readable board version */ | |
1021 | u8 boardversion[BOARD_VERS_MAX]; | |
1022 | u8 lbus_info[32]; /* human readable localbus info */ | |
1023 | /* chip major rev, from CceRevision */ | |
1024 | u8 majrev; | |
1025 | /* chip minor rev, from CceRevision */ | |
1026 | u8 minrev; | |
1027 | /* hardware ID */ | |
1028 | u8 hfi1_id; | |
1029 | /* implementation code */ | |
1030 | u8 icode; | |
1031 | /* default link down value (poll/sleep) */ | |
1032 | u8 link_default; | |
1033 | /* vAU of this device */ | |
1034 | u8 vau; | |
1035 | /* vCU of this device */ | |
1036 | u8 vcu; | |
1037 | /* link credits of this device */ | |
1038 | u16 link_credits; | |
1039 | /* initial vl15 credits to use */ | |
1040 | u16 vl15_init; | |
1041 | ||
1042 | /* Misc small ints */ | |
1043 | /* Number of physical ports available */ | |
1044 | u8 num_pports; | |
1045 | /* Lowest context number which can be used by user processes */ | |
1046 | u8 first_user_ctxt; | |
1047 | u8 n_krcv_queues; | |
1048 | u8 qos_shift; | |
1049 | u8 qpn_mask; | |
1050 | ||
1051 | u16 rhf_offset; /* offset of RHF within receive header entry */ | |
1052 | u16 irev; /* implementation revision */ | |
1053 | u16 dc8051_ver; /* 8051 firmware version */ | |
1054 | ||
c3838b39 | 1055 | struct platform_config platform_config; |
77241056 | 1056 | struct platform_config_cache pcfg_cache; |
77241056 MM |
1057 | |
1058 | struct diag_client *diag_client; | |
1059 | spinlock_t hfi1_diag_trans_lock; /* protect diag observer ops */ | |
1060 | ||
1061 | u8 psxmitwait_supported; | |
1062 | /* cycle length of PS* counters in HW (in picoseconds) */ | |
1063 | u16 psxmitwait_check_rate; | |
77241056 MM |
1064 | |
1065 | /* MSI-X information */ | |
1066 | struct hfi1_msix_entry *msix_entries; | |
1067 | u32 num_msix_entries; | |
1068 | ||
1069 | /* INTx information */ | |
1070 | u32 requested_intx_irq; /* did we request one? */ | |
1071 | char intx_name[MAX_NAME_SIZE]; /* INTx name */ | |
1072 | ||
1073 | /* general interrupt: mask of handled interrupts */ | |
1074 | u64 gi_mask[CCE_NUM_INT_CSRS]; | |
1075 | ||
1076 | struct rcv_array_data rcv_entries; | |
1077 | ||
1078 | /* | |
1079 | * 64 bit synthetic counters | |
1080 | */ | |
1081 | struct timer_list synth_stats_timer; | |
1082 | ||
1083 | /* | |
1084 | * device counters | |
1085 | */ | |
1086 | char *cntrnames; | |
1087 | size_t cntrnameslen; | |
1088 | size_t ndevcntrs; | |
1089 | u64 *cntrs; | |
1090 | u64 *scntrs; | |
1091 | ||
1092 | /* | |
1093 | * remembered values for synthetic counters | |
1094 | */ | |
1095 | u64 last_tx; | |
1096 | u64 last_rx; | |
1097 | ||
1098 | /* | |
1099 | * per-port counters | |
1100 | */ | |
1101 | size_t nportcntrs; | |
1102 | char *portcntrnames; | |
1103 | size_t portcntrnameslen; | |
1104 | ||
1105 | struct hfi1_snoop_data hfi1_snoop; | |
1106 | ||
1107 | struct err_info_rcvport err_info_rcvport; | |
1108 | struct err_info_constraint err_info_rcv_constraint; | |
1109 | struct err_info_constraint err_info_xmit_constraint; | |
1110 | u8 err_info_uncorrectable; | |
1111 | u8 err_info_fmconfig; | |
1112 | ||
1113 | atomic_t drop_packet; | |
1114 | u8 do_drop; | |
1115 | ||
2c5b521a JR |
1116 | /* |
1117 | * Software counters for the status bits defined by the | |
1118 | * associated error status registers | |
1119 | */ | |
1120 | u64 cce_err_status_cnt[NUM_CCE_ERR_STATUS_COUNTERS]; | |
1121 | u64 rcv_err_status_cnt[NUM_RCV_ERR_STATUS_COUNTERS]; | |
1122 | u64 misc_err_status_cnt[NUM_MISC_ERR_STATUS_COUNTERS]; | |
1123 | u64 send_pio_err_status_cnt[NUM_SEND_PIO_ERR_STATUS_COUNTERS]; | |
1124 | u64 send_dma_err_status_cnt[NUM_SEND_DMA_ERR_STATUS_COUNTERS]; | |
1125 | u64 send_egress_err_status_cnt[NUM_SEND_EGRESS_ERR_STATUS_COUNTERS]; | |
1126 | u64 send_err_status_cnt[NUM_SEND_ERR_STATUS_COUNTERS]; | |
1127 | ||
1128 | /* Software counter that spans all contexts */ | |
1129 | u64 sw_ctxt_err_status_cnt[NUM_SEND_CTXT_ERR_STATUS_COUNTERS]; | |
1130 | /* Software counter that spans all DMA engines */ | |
1131 | u64 sw_send_dma_eng_err_status_cnt[ | |
1132 | NUM_SEND_DMA_ENG_ERR_STATUS_COUNTERS]; | |
1133 | /* Software counter that aggregates all cce_err_status errors */ | |
1134 | u64 sw_cce_err_status_aggregate; | |
2b719046 JP |
1135 | /* Software counter that aggregates all bypass packet rcv errors */ |
1136 | u64 sw_rcv_bypass_packet_errors; | |
77241056 MM |
1137 | /* receive interrupt functions */ |
1138 | rhf_rcv_function_ptr *rhf_rcv_function_map; | |
1139 | rhf_rcv_function_ptr normal_rhf_rcv_functions[8]; | |
1140 | ||
1141 | /* | |
1142 | * Handlers for outgoing data so that snoop/capture does not | |
1143 | * have to have its hooks in the send path | |
1144 | */ | |
14553ca1 MM |
1145 | send_routine process_pio_send; |
1146 | send_routine process_dma_send; | |
77241056 MM |
1147 | void (*pio_inline_send)(struct hfi1_devdata *dd, struct pio_buf *pbuf, |
1148 | u64 pbc, const void *from, size_t count); | |
1149 | ||
1150 | /* OUI comes from the HW. Used everywhere as 3 separate bytes. */ | |
1151 | u8 oui1; | |
1152 | u8 oui2; | |
1153 | u8 oui3; | |
1154 | /* Timer and counter used to detect RcvBufOvflCnt changes */ | |
1155 | struct timer_list rcverr_timer; | |
1156 | u32 rcv_ovfl_cnt; | |
1157 | ||
77241056 MM |
1158 | wait_queue_head_t event_queue; |
1159 | ||
1160 | /* Save the enabled LCB error bits */ | |
1161 | u64 lcb_err_en; | |
1162 | u8 dc_shutdown; | |
46b010d3 MB |
1163 | |
1164 | /* receive context tail dummy address */ | |
1165 | __le64 *rcvhdrtail_dummy_kvaddr; | |
60368186 | 1166 | dma_addr_t rcvhdrtail_dummy_dma; |
affa48de | 1167 | |
e154f127 | 1168 | bool eprom_available; /* true if EPROM is available for this device */ |
affa48de AD |
1169 | bool aspm_supported; /* Does HW support ASPM */ |
1170 | bool aspm_enabled; /* ASPM state: enabled/disabled */ | |
1171 | /* Serialize ASPM enable/disable between multiple verbs contexts */ | |
1172 | spinlock_t aspm_lock; | |
1173 | /* Number of verbs contexts which have disabled ASPM */ | |
1174 | atomic_t aspm_disabled_cnt; | |
957558c9 MH |
1175 | |
1176 | struct hfi1_affinity *affinity; | |
e11ffbd5 | 1177 | struct kobject kobj; |
77241056 MM |
1178 | }; |
1179 | ||
1180 | /* 8051 firmware version helper */ | |
1181 | #define dc8051_ver(a, b) ((a) << 8 | (b)) | |
939b6ca8 IW |
1182 | #define dc8051_ver_maj(a) ((a & 0xff00) >> 8) |
1183 | #define dc8051_ver_min(a) (a & 0x00ff) | |
77241056 MM |
1184 | |
1185 | /* f_put_tid types */ | |
1186 | #define PT_EXPECTED 0 | |
1187 | #define PT_EAGER 1 | |
1188 | #define PT_INVALID 2 | |
1189 | ||
06e0ffa6 | 1190 | struct tid_rb_node; |
f727a0c3 | 1191 | struct mmu_rb_node; |
e0b09ac5 | 1192 | struct mmu_rb_handler; |
f727a0c3 | 1193 | |
77241056 MM |
1194 | /* Private data for file operations */ |
1195 | struct hfi1_filedata { | |
1196 | struct hfi1_ctxtdata *uctxt; | |
1197 | unsigned subctxt; | |
1198 | struct hfi1_user_sdma_comp_q *cq; | |
1199 | struct hfi1_user_sdma_pkt_q *pq; | |
1200 | /* for cpu affinity; -1 if none */ | |
1201 | int rec_cpu_num; | |
a7922f7d | 1202 | u32 tid_n_pinned; |
e0b09ac5 | 1203 | struct mmu_rb_handler *handler; |
06e0ffa6 | 1204 | struct tid_rb_node **entry_to_rb; |
a86cd357 MH |
1205 | spinlock_t tid_lock; /* protect tid_[limit,used] counters */ |
1206 | u32 tid_limit; | |
1207 | u32 tid_used; | |
a86cd357 MH |
1208 | u32 *invalid_tids; |
1209 | u32 invalid_tid_idx; | |
06e0ffa6 MH |
1210 | /* protect invalid_tids array and invalid_tid_idx */ |
1211 | spinlock_t invalid_lock; | |
3faa3d9a | 1212 | struct mm_struct *mm; |
77241056 MM |
1213 | }; |
1214 | ||
1215 | extern struct list_head hfi1_dev_list; | |
1216 | extern spinlock_t hfi1_devs_lock; | |
1217 | struct hfi1_devdata *hfi1_lookup(int unit); | |
1218 | extern u32 hfi1_cpulist_count; | |
1219 | extern unsigned long *hfi1_cpulist; | |
1220 | ||
1221 | extern unsigned int snoop_drop_send; | |
1222 | extern unsigned int snoop_force_capture; | |
1223 | int hfi1_init(struct hfi1_devdata *, int); | |
1224 | int hfi1_count_units(int *npresentp, int *nupp); | |
1225 | int hfi1_count_active_units(void); | |
1226 | ||
1227 | int hfi1_diag_add(struct hfi1_devdata *); | |
1228 | void hfi1_diag_remove(struct hfi1_devdata *); | |
1229 | void handle_linkup_change(struct hfi1_devdata *dd, u32 linkup); | |
1230 | ||
1231 | void handle_user_interrupt(struct hfi1_ctxtdata *rcd); | |
1232 | ||
1233 | int hfi1_create_rcvhdrq(struct hfi1_devdata *, struct hfi1_ctxtdata *); | |
1234 | int hfi1_setup_eagerbufs(struct hfi1_ctxtdata *); | |
1235 | int hfi1_create_ctxts(struct hfi1_devdata *dd); | |
957558c9 | 1236 | struct hfi1_ctxtdata *hfi1_create_ctxtdata(struct hfi1_pportdata *, u32, int); |
77241056 MM |
1237 | void hfi1_init_pportdata(struct pci_dev *, struct hfi1_pportdata *, |
1238 | struct hfi1_devdata *, u8, u8); | |
1239 | void hfi1_free_ctxtdata(struct hfi1_devdata *, struct hfi1_ctxtdata *); | |
1240 | ||
f4f30031 DL |
1241 | int handle_receive_interrupt(struct hfi1_ctxtdata *, int); |
1242 | int handle_receive_interrupt_nodma_rtail(struct hfi1_ctxtdata *, int); | |
1243 | int handle_receive_interrupt_dma_rtail(struct hfi1_ctxtdata *, int); | |
fb9036dd | 1244 | void set_all_slowpath(struct hfi1_devdata *dd); |
f4f30031 | 1245 | |
d6373019 SS |
1246 | extern const struct pci_device_id hfi1_pci_tbl[]; |
1247 | ||
f4f30031 DL |
1248 | /* receive packet handler dispositions */ |
1249 | #define RCV_PKT_OK 0x0 /* keep going */ | |
1250 | #define RCV_PKT_LIMIT 0x1 /* stop, hit limit, start thread */ | |
1251 | #define RCV_PKT_DONE 0x2 /* stop, no more packets detected */ | |
1252 | ||
1253 | /* calculate the current RHF address */ | |
1254 | static inline __le32 *get_rhf_addr(struct hfi1_ctxtdata *rcd) | |
1255 | { | |
1256 | return (__le32 *)rcd->rcvhdrq + rcd->head + rcd->dd->rhf_offset; | |
1257 | } | |
1258 | ||
77241056 MM |
1259 | int hfi1_reset_device(int); |
1260 | ||
1261 | /* return the driver's idea of the logical OPA port state */ | |
1262 | static inline u32 driver_lstate(struct hfi1_pportdata *ppd) | |
1263 | { | |
1264 | return ppd->lstate; /* use the cached value */ | |
1265 | } | |
1266 | ||
fb9036dd JS |
1267 | void receive_interrupt_work(struct work_struct *work); |
1268 | ||
1269 | /* extract service channel from header and rhf */ | |
261a4351 | 1270 | static inline int hdr2sc(struct ib_header *hdr, u64 rhf) |
fb9036dd JS |
1271 | { |
1272 | return ((be16_to_cpu(hdr->lrh[0]) >> 12) & 0xf) | | |
b736a469 | 1273 | ((!!(rhf_dc_info(rhf))) << 4); |
fb9036dd JS |
1274 | } |
1275 | ||
08fe16f6 MH |
1276 | #define HFI1_JKEY_WIDTH 16 |
1277 | #define HFI1_JKEY_MASK (BIT(16) - 1) | |
1278 | #define HFI1_ADMIN_JKEY_RANGE 32 | |
1279 | ||
1280 | /* | |
1281 | * J_KEYs are split and allocated in the following groups: | |
1282 | * 0 - 31 - users with administrator privileges | |
1283 | * 32 - 63 - kernel protocols using KDETH packets | |
1284 | * 64 - 65535 - all other users using KDETH packets | |
1285 | */ | |
77241056 MM |
1286 | static inline u16 generate_jkey(kuid_t uid) |
1287 | { | |
08fe16f6 MH |
1288 | u16 jkey = from_kuid(current_user_ns(), uid) & HFI1_JKEY_MASK; |
1289 | ||
1290 | if (capable(CAP_SYS_ADMIN)) | |
1291 | jkey &= HFI1_ADMIN_JKEY_RANGE - 1; | |
1292 | else if (jkey < 64) | |
1293 | jkey |= BIT(HFI1_JKEY_WIDTH - 1); | |
1294 | ||
1295 | return jkey; | |
77241056 MM |
1296 | } |
1297 | ||
1298 | /* | |
1299 | * active_egress_rate | |
1300 | * | |
1301 | * returns the active egress rate in units of [10^6 bits/sec] | |
1302 | */ | |
1303 | static inline u32 active_egress_rate(struct hfi1_pportdata *ppd) | |
1304 | { | |
1305 | u16 link_speed = ppd->link_speed_active; | |
1306 | u16 link_width = ppd->link_width_active; | |
1307 | u32 egress_rate; | |
1308 | ||
1309 | if (link_speed == OPA_LINK_SPEED_25G) | |
1310 | egress_rate = 25000; | |
1311 | else /* assume OPA_LINK_SPEED_12_5G */ | |
1312 | egress_rate = 12500; | |
1313 | ||
1314 | switch (link_width) { | |
1315 | case OPA_LINK_WIDTH_4X: | |
1316 | egress_rate *= 4; | |
1317 | break; | |
1318 | case OPA_LINK_WIDTH_3X: | |
1319 | egress_rate *= 3; | |
1320 | break; | |
1321 | case OPA_LINK_WIDTH_2X: | |
1322 | egress_rate *= 2; | |
1323 | break; | |
1324 | default: | |
1325 | /* assume IB_WIDTH_1X */ | |
1326 | break; | |
1327 | } | |
1328 | ||
1329 | return egress_rate; | |
1330 | } | |
1331 | ||
1332 | /* | |
1333 | * egress_cycles | |
1334 | * | |
1335 | * Returns the number of 'fabric clock cycles' to egress a packet | |
1336 | * of length 'len' bytes, at 'rate' Mbit/s. Since the fabric clock | |
1337 | * rate is (approximately) 805 MHz, the units of the returned value | |
1338 | * are (1/805 MHz). | |
1339 | */ | |
1340 | static inline u32 egress_cycles(u32 len, u32 rate) | |
1341 | { | |
1342 | u32 cycles; | |
1343 | ||
1344 | /* | |
1345 | * cycles is: | |
1346 | * | |
1347 | * (length) [bits] / (rate) [bits/sec] | |
1348 | * --------------------------------------------------- | |
1349 | * fabric_clock_period == 1 /(805 * 10^6) [cycles/sec] | |
1350 | */ | |
1351 | ||
1352 | cycles = len * 8; /* bits */ | |
1353 | cycles *= 805; | |
1354 | cycles /= rate; | |
1355 | ||
1356 | return cycles; | |
1357 | } | |
1358 | ||
1359 | void set_link_ipg(struct hfi1_pportdata *ppd); | |
1360 | void process_becn(struct hfi1_pportdata *ppd, u8 sl, u16 rlid, u32 lqpn, | |
1361 | u32 rqpn, u8 svc_type); | |
895420dd | 1362 | void return_cnp(struct hfi1_ibport *ibp, struct rvt_qp *qp, u32 remote_qpn, |
77241056 MM |
1363 | u32 pkey, u32 slid, u32 dlid, u8 sc5, |
1364 | const struct ib_grh *old_grh); | |
e38d1e4f SS |
1365 | #define PKEY_CHECK_INVALID -1 |
1366 | int egress_pkey_check(struct hfi1_pportdata *ppd, __be16 *lrh, __be32 *bth, | |
1367 | u8 sc5, int8_t s_pkey_index); | |
77241056 MM |
1368 | |
1369 | #define PACKET_EGRESS_TIMEOUT 350 | |
1370 | static inline void pause_for_credit_return(struct hfi1_devdata *dd) | |
1371 | { | |
1372 | /* Pause at least 1us, to ensure chip returns all credits */ | |
1373 | u32 usec = cclock_to_ns(dd, PACKET_EGRESS_TIMEOUT) / 1000; | |
1374 | ||
1375 | udelay(usec ? usec : 1); | |
1376 | } | |
1377 | ||
1378 | /** | |
1379 | * sc_to_vlt() reverse lookup sc to vl | |
1380 | * @dd - devdata | |
1381 | * @sc5 - 5 bit sc | |
1382 | */ | |
1383 | static inline u8 sc_to_vlt(struct hfi1_devdata *dd, u8 sc5) | |
1384 | { | |
1385 | unsigned seq; | |
1386 | u8 rval; | |
1387 | ||
1388 | if (sc5 >= OPA_MAX_SCS) | |
1389 | return (u8)(0xff); | |
1390 | ||
1391 | do { | |
1392 | seq = read_seqbegin(&dd->sc2vl_lock); | |
1393 | rval = *(((u8 *)dd->sc2vl) + sc5); | |
1394 | } while (read_seqretry(&dd->sc2vl_lock, seq)); | |
1395 | ||
1396 | return rval; | |
1397 | } | |
1398 | ||
1399 | #define PKEY_MEMBER_MASK 0x8000 | |
1400 | #define PKEY_LOW_15_MASK 0x7fff | |
1401 | ||
1402 | /* | |
1403 | * ingress_pkey_matches_entry - return 1 if the pkey matches ent (ent | |
1404 | * being an entry from the ingress partition key table), return 0 | |
1405 | * otherwise. Use the matching criteria for ingress partition keys | |
1406 | * specified in the OPAv1 spec., section 9.10.14. | |
1407 | */ | |
1408 | static inline int ingress_pkey_matches_entry(u16 pkey, u16 ent) | |
1409 | { | |
1410 | u16 mkey = pkey & PKEY_LOW_15_MASK; | |
1411 | u16 ment = ent & PKEY_LOW_15_MASK; | |
1412 | ||
1413 | if (mkey == ment) { | |
1414 | /* | |
1415 | * If pkey[15] is clear (limited partition member), | |
1416 | * is bit 15 in the corresponding table element | |
1417 | * clear (limited member)? | |
1418 | */ | |
1419 | if (!(pkey & PKEY_MEMBER_MASK)) | |
1420 | return !!(ent & PKEY_MEMBER_MASK); | |
1421 | return 1; | |
1422 | } | |
1423 | return 0; | |
1424 | } | |
1425 | ||
1426 | /* | |
1427 | * ingress_pkey_table_search - search the entire pkey table for | |
1428 | * an entry which matches 'pkey'. return 0 if a match is found, | |
1429 | * and 1 otherwise. | |
1430 | */ | |
1431 | static int ingress_pkey_table_search(struct hfi1_pportdata *ppd, u16 pkey) | |
1432 | { | |
1433 | int i; | |
1434 | ||
1435 | for (i = 0; i < MAX_PKEY_VALUES; i++) { | |
1436 | if (ingress_pkey_matches_entry(pkey, ppd->pkeys[i])) | |
1437 | return 0; | |
1438 | } | |
1439 | return 1; | |
1440 | } | |
1441 | ||
1442 | /* | |
1443 | * ingress_pkey_table_fail - record a failure of ingress pkey validation, | |
1444 | * i.e., increment port_rcv_constraint_errors for the port, and record | |
1445 | * the 'error info' for this failure. | |
1446 | */ | |
1447 | static void ingress_pkey_table_fail(struct hfi1_pportdata *ppd, u16 pkey, | |
1448 | u16 slid) | |
1449 | { | |
1450 | struct hfi1_devdata *dd = ppd->dd; | |
1451 | ||
1452 | incr_cntr64(&ppd->port_rcv_constraint_errors); | |
1453 | if (!(dd->err_info_rcv_constraint.status & OPA_EI_STATUS_SMASK)) { | |
1454 | dd->err_info_rcv_constraint.status |= OPA_EI_STATUS_SMASK; | |
1455 | dd->err_info_rcv_constraint.slid = slid; | |
1456 | dd->err_info_rcv_constraint.pkey = pkey; | |
1457 | } | |
1458 | } | |
1459 | ||
1460 | /* | |
1461 | * ingress_pkey_check - Return 0 if the ingress pkey is valid, return 1 | |
1462 | * otherwise. Use the criteria in the OPAv1 spec, section 9.10.14. idx | |
1463 | * is a hint as to the best place in the partition key table to begin | |
1464 | * searching. This function should not be called on the data path because | |
1465 | * of performance reasons. On datapath pkey check is expected to be done | |
1466 | * by HW and rcv_pkey_check function should be called instead. | |
1467 | */ | |
1468 | static inline int ingress_pkey_check(struct hfi1_pportdata *ppd, u16 pkey, | |
1469 | u8 sc5, u8 idx, u16 slid) | |
1470 | { | |
1471 | if (!(ppd->part_enforce & HFI1_PART_ENFORCE_IN)) | |
1472 | return 0; | |
1473 | ||
1474 | /* If SC15, pkey[0:14] must be 0x7fff */ | |
1475 | if ((sc5 == 0xf) && ((pkey & PKEY_LOW_15_MASK) != PKEY_LOW_15_MASK)) | |
1476 | goto bad; | |
1477 | ||
1478 | /* Is the pkey = 0x0, or 0x8000? */ | |
1479 | if ((pkey & PKEY_LOW_15_MASK) == 0) | |
1480 | goto bad; | |
1481 | ||
1482 | /* The most likely matching pkey has index 'idx' */ | |
1483 | if (ingress_pkey_matches_entry(pkey, ppd->pkeys[idx])) | |
1484 | return 0; | |
1485 | ||
1486 | /* no match - try the whole table */ | |
1487 | if (!ingress_pkey_table_search(ppd, pkey)) | |
1488 | return 0; | |
1489 | ||
1490 | bad: | |
1491 | ingress_pkey_table_fail(ppd, pkey, slid); | |
1492 | return 1; | |
1493 | } | |
1494 | ||
1495 | /* | |
1496 | * rcv_pkey_check - Return 0 if the ingress pkey is valid, return 1 | |
1497 | * otherwise. It only ensures pkey is vlid for QP0. This function | |
1498 | * should be called on the data path instead of ingress_pkey_check | |
1499 | * as on data path, pkey check is done by HW (except for QP0). | |
1500 | */ | |
1501 | static inline int rcv_pkey_check(struct hfi1_pportdata *ppd, u16 pkey, | |
1502 | u8 sc5, u16 slid) | |
1503 | { | |
1504 | if (!(ppd->part_enforce & HFI1_PART_ENFORCE_IN)) | |
1505 | return 0; | |
1506 | ||
1507 | /* If SC15, pkey[0:14] must be 0x7fff */ | |
1508 | if ((sc5 == 0xf) && ((pkey & PKEY_LOW_15_MASK) != PKEY_LOW_15_MASK)) | |
1509 | goto bad; | |
1510 | ||
1511 | return 0; | |
1512 | bad: | |
1513 | ingress_pkey_table_fail(ppd, pkey, slid); | |
1514 | return 1; | |
1515 | } | |
1516 | ||
1517 | /* MTU handling */ | |
1518 | ||
1519 | /* MTU enumeration, 256-4k match IB */ | |
1520 | #define OPA_MTU_0 0 | |
1521 | #define OPA_MTU_256 1 | |
1522 | #define OPA_MTU_512 2 | |
1523 | #define OPA_MTU_1024 3 | |
1524 | #define OPA_MTU_2048 4 | |
1525 | #define OPA_MTU_4096 5 | |
1526 | ||
1527 | u32 lrh_max_header_bytes(struct hfi1_devdata *dd); | |
1528 | int mtu_to_enum(u32 mtu, int default_if_bad); | |
1529 | u16 enum_to_mtu(int); | |
1530 | static inline int valid_ib_mtu(unsigned int mtu) | |
1531 | { | |
1532 | return mtu == 256 || mtu == 512 || | |
1533 | mtu == 1024 || mtu == 2048 || | |
1534 | mtu == 4096; | |
1535 | } | |
f4d507cd | 1536 | |
77241056 MM |
1537 | static inline int valid_opa_max_mtu(unsigned int mtu) |
1538 | { | |
1539 | return mtu >= 2048 && | |
1540 | (valid_ib_mtu(mtu) || mtu == 8192 || mtu == 10240); | |
1541 | } | |
1542 | ||
1543 | int set_mtu(struct hfi1_pportdata *); | |
1544 | ||
1545 | int hfi1_set_lid(struct hfi1_pportdata *, u32, u8); | |
1546 | void hfi1_disable_after_error(struct hfi1_devdata *); | |
1547 | int hfi1_set_uevent_bits(struct hfi1_pportdata *, const int); | |
1548 | int hfi1_rcvbuf_validate(u32, u8, u16 *); | |
1549 | ||
1550 | int fm_get_table(struct hfi1_pportdata *, int, void *); | |
1551 | int fm_set_table(struct hfi1_pportdata *, int, void *); | |
1552 | ||
1553 | void set_up_vl15(struct hfi1_devdata *dd, u8 vau, u16 vl15buf); | |
1554 | void reset_link_credits(struct hfi1_devdata *dd); | |
1555 | void assign_remote_cm_au_table(struct hfi1_devdata *dd, u8 vcu); | |
1556 | ||
1557 | int snoop_recv_handler(struct hfi1_packet *packet); | |
895420dd | 1558 | int snoop_send_dma_handler(struct rvt_qp *qp, struct hfi1_pkt_state *ps, |
d46e5144 | 1559 | u64 pbc); |
895420dd | 1560 | int snoop_send_pio_handler(struct rvt_qp *qp, struct hfi1_pkt_state *ps, |
d46e5144 | 1561 | u64 pbc); |
77241056 MM |
1562 | void snoop_inline_pio_send(struct hfi1_devdata *dd, struct pio_buf *pbuf, |
1563 | u64 pbc, const void *from, size_t count); | |
8a4d3444 | 1564 | int set_buffer_control(struct hfi1_pportdata *ppd, struct buffer_control *bc); |
77241056 | 1565 | |
77241056 MM |
1566 | static inline struct hfi1_devdata *dd_from_ppd(struct hfi1_pportdata *ppd) |
1567 | { | |
1568 | return ppd->dd; | |
1569 | } | |
1570 | ||
1571 | static inline struct hfi1_devdata *dd_from_dev(struct hfi1_ibdev *dev) | |
1572 | { | |
1573 | return container_of(dev, struct hfi1_devdata, verbs_dev); | |
1574 | } | |
1575 | ||
1576 | static inline struct hfi1_devdata *dd_from_ibdev(struct ib_device *ibdev) | |
1577 | { | |
1578 | return dd_from_dev(to_idev(ibdev)); | |
1579 | } | |
1580 | ||
1581 | static inline struct hfi1_pportdata *ppd_from_ibp(struct hfi1_ibport *ibp) | |
1582 | { | |
1583 | return container_of(ibp, struct hfi1_pportdata, ibport_data); | |
1584 | } | |
1585 | ||
45b59eef HC |
1586 | static inline struct hfi1_ibdev *dev_from_rdi(struct rvt_dev_info *rdi) |
1587 | { | |
1588 | return container_of(rdi, struct hfi1_ibdev, rdi); | |
1589 | } | |
1590 | ||
77241056 MM |
1591 | static inline struct hfi1_ibport *to_iport(struct ib_device *ibdev, u8 port) |
1592 | { | |
1593 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
1594 | unsigned pidx = port - 1; /* IB number port from 1, hdw from 0 */ | |
1595 | ||
1596 | WARN_ON(pidx >= dd->num_pports); | |
1597 | return &dd->pport[pidx].ibport_data; | |
1598 | } | |
1599 | ||
5fd2b562 MH |
1600 | void hfi1_process_ecn_slowpath(struct rvt_qp *qp, struct hfi1_packet *pkt, |
1601 | bool do_cnp); | |
1602 | static inline bool process_ecn(struct rvt_qp *qp, struct hfi1_packet *pkt, | |
1603 | bool do_cnp) | |
1604 | { | |
261a4351 | 1605 | struct ib_other_headers *ohdr = pkt->ohdr; |
5fd2b562 MH |
1606 | u32 bth1; |
1607 | ||
1608 | bth1 = be32_to_cpu(ohdr->bth[1]); | |
1609 | if (unlikely(bth1 & (HFI1_BECN_SMASK | HFI1_FECN_SMASK))) { | |
1610 | hfi1_process_ecn_slowpath(qp, pkt, do_cnp); | |
1611 | return bth1 & HFI1_FECN_SMASK; | |
1612 | } | |
1613 | return false; | |
1614 | } | |
1615 | ||
77241056 MM |
1616 | /* |
1617 | * Return the indexed PKEY from the port PKEY table. | |
1618 | */ | |
1619 | static inline u16 hfi1_get_pkey(struct hfi1_ibport *ibp, unsigned index) | |
1620 | { | |
1621 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
1622 | u16 ret; | |
1623 | ||
1624 | if (index >= ARRAY_SIZE(ppd->pkeys)) | |
1625 | ret = 0; | |
1626 | else | |
1627 | ret = ppd->pkeys[index]; | |
1628 | ||
1629 | return ret; | |
1630 | } | |
1631 | ||
1632 | /* | |
8adf71fa | 1633 | * Called by readers of cc_state only, must call under rcu_read_lock(). |
77241056 MM |
1634 | */ |
1635 | static inline struct cc_state *get_cc_state(struct hfi1_pportdata *ppd) | |
1636 | { | |
1637 | return rcu_dereference(ppd->cc_state); | |
1638 | } | |
1639 | ||
8adf71fa JX |
1640 | /* |
1641 | * Called by writers of cc_state only, must call under cc_state_lock. | |
1642 | */ | |
1643 | static inline | |
1644 | struct cc_state *get_cc_state_protected(struct hfi1_pportdata *ppd) | |
1645 | { | |
1646 | return rcu_dereference_protected(ppd->cc_state, | |
1647 | lockdep_is_held(&ppd->cc_state_lock)); | |
1648 | } | |
1649 | ||
77241056 MM |
1650 | /* |
1651 | * values for dd->flags (_device_ related flags) | |
1652 | */ | |
1653 | #define HFI1_INITTED 0x1 /* chip and driver up and initted */ | |
1654 | #define HFI1_PRESENT 0x2 /* chip accesses can be done */ | |
1655 | #define HFI1_FROZEN 0x4 /* chip in SPC freeze */ | |
1656 | #define HFI1_HAS_SDMA_TIMEOUT 0x8 | |
1657 | #define HFI1_HAS_SEND_DMA 0x10 /* Supports Send DMA */ | |
1658 | #define HFI1_FORCED_FREEZE 0x80 /* driver forced freeze mode */ | |
77241056 MM |
1659 | |
1660 | /* IB dword length mask in PBC (lower 11 bits); same for all chips */ | |
1661 | #define HFI1_PBC_LENGTH_MASK ((1 << 11) - 1) | |
1662 | ||
77241056 MM |
1663 | /* ctxt_flag bit offsets */ |
1664 | /* context has been setup */ | |
1665 | #define HFI1_CTXT_SETUP_DONE 1 | |
1666 | /* waiting for a packet to arrive */ | |
1667 | #define HFI1_CTXT_WAITING_RCV 2 | |
1668 | /* master has not finished initializing */ | |
1669 | #define HFI1_CTXT_MASTER_UNINIT 4 | |
1670 | /* waiting for an urgent packet to arrive */ | |
1671 | #define HFI1_CTXT_WAITING_URG 5 | |
1672 | ||
1673 | /* free up any allocated data at closes */ | |
1674 | struct hfi1_devdata *hfi1_init_dd(struct pci_dev *, | |
1675 | const struct pci_device_id *); | |
1676 | void hfi1_free_devdata(struct hfi1_devdata *); | |
77241056 MM |
1677 | struct hfi1_devdata *hfi1_alloc_devdata(struct pci_dev *pdev, size_t extra); |
1678 | ||
2243472e EH |
1679 | /* LED beaconing functions */ |
1680 | void hfi1_start_led_override(struct hfi1_pportdata *ppd, unsigned int timeon, | |
1681 | unsigned int timeoff); | |
91ab4ed3 | 1682 | void shutdown_led_override(struct hfi1_pportdata *ppd); |
77241056 MM |
1683 | |
1684 | #define HFI1_CREDIT_RETURN_RATE (100) | |
1685 | ||
1686 | /* | |
1687 | * The number of words for the KDETH protocol field. If this is | |
1688 | * larger then the actual field used, then part of the payload | |
1689 | * will be in the header. | |
1690 | * | |
1691 | * Optimally, we want this sized so that a typical case will | |
1692 | * use full cache lines. The typical local KDETH header would | |
1693 | * be: | |
1694 | * | |
1695 | * Bytes Field | |
1696 | * 8 LRH | |
1697 | * 12 BHT | |
1698 | * ?? KDETH | |
1699 | * 8 RHF | |
1700 | * --- | |
1701 | * 28 + KDETH | |
1702 | * | |
1703 | * For a 64-byte cache line, KDETH would need to be 36 bytes or 9 DWORDS | |
1704 | */ | |
1705 | #define DEFAULT_RCVHDRSIZE 9 | |
1706 | ||
1707 | /* | |
1708 | * Maximal header byte count: | |
1709 | * | |
1710 | * Bytes Field | |
1711 | * 8 LRH | |
1712 | * 40 GRH (optional) | |
1713 | * 12 BTH | |
1714 | * ?? KDETH | |
1715 | * 8 RHF | |
1716 | * --- | |
1717 | * 68 + KDETH | |
1718 | * | |
1719 | * We also want to maintain a cache line alignment to assist DMA'ing | |
1720 | * of the header bytes. Round up to a good size. | |
1721 | */ | |
1722 | #define DEFAULT_RCVHDR_ENTSIZE 32 | |
1723 | ||
3faa3d9a IW |
1724 | bool hfi1_can_pin_pages(struct hfi1_devdata *dd, struct mm_struct *mm, |
1725 | u32 nlocked, u32 npages); | |
1726 | int hfi1_acquire_user_pages(struct mm_struct *mm, unsigned long vaddr, | |
1727 | size_t npages, bool writable, struct page **pages); | |
ac335e7e IW |
1728 | void hfi1_release_user_pages(struct mm_struct *mm, struct page **p, |
1729 | size_t npages, bool dirty); | |
77241056 MM |
1730 | |
1731 | static inline void clear_rcvhdrtail(const struct hfi1_ctxtdata *rcd) | |
1732 | { | |
50e5dcbe | 1733 | *((u64 *)rcd->rcvhdrtail_kvaddr) = 0ULL; |
77241056 MM |
1734 | } |
1735 | ||
1736 | static inline u32 get_rcvhdrtail(const struct hfi1_ctxtdata *rcd) | |
1737 | { | |
1738 | /* | |
1739 | * volatile because it's a DMA target from the chip, routine is | |
1740 | * inlined, and don't want register caching or reordering. | |
1741 | */ | |
50e5dcbe | 1742 | return (u32)le64_to_cpu(*rcd->rcvhdrtail_kvaddr); |
77241056 MM |
1743 | } |
1744 | ||
1745 | /* | |
1746 | * sysfs interface. | |
1747 | */ | |
1748 | ||
1749 | extern const char ib_hfi1_version[]; | |
1750 | ||
1751 | int hfi1_device_create(struct hfi1_devdata *); | |
1752 | void hfi1_device_remove(struct hfi1_devdata *); | |
1753 | ||
1754 | int hfi1_create_port_files(struct ib_device *ibdev, u8 port_num, | |
1755 | struct kobject *kobj); | |
1756 | int hfi1_verbs_register_sysfs(struct hfi1_devdata *); | |
1757 | void hfi1_verbs_unregister_sysfs(struct hfi1_devdata *); | |
1758 | /* Hook for sysfs read of QSFP */ | |
1759 | int qsfp_dump(struct hfi1_pportdata *ppd, char *buf, int len); | |
1760 | ||
1761 | int hfi1_pcie_init(struct pci_dev *, const struct pci_device_id *); | |
1762 | void hfi1_pcie_cleanup(struct pci_dev *); | |
1763 | int hfi1_pcie_ddinit(struct hfi1_devdata *, struct pci_dev *, | |
1764 | const struct pci_device_id *); | |
1765 | void hfi1_pcie_ddcleanup(struct hfi1_devdata *); | |
1766 | void hfi1_pcie_flr(struct hfi1_devdata *); | |
1767 | int pcie_speeds(struct hfi1_devdata *); | |
1768 | void request_msix(struct hfi1_devdata *, u32 *, struct hfi1_msix_entry *); | |
1769 | void hfi1_enable_intx(struct pci_dev *); | |
77241056 MM |
1770 | void restore_pci_variables(struct hfi1_devdata *dd); |
1771 | int do_pcie_gen3_transition(struct hfi1_devdata *dd); | |
1772 | int parse_platform_config(struct hfi1_devdata *dd); | |
1773 | int get_platform_config_field(struct hfi1_devdata *dd, | |
17fb4f29 JJ |
1774 | enum platform_config_table_type_encoding |
1775 | table_type, int table_index, int field_index, | |
1776 | u32 *data, u32 len); | |
77241056 | 1777 | |
77241056 | 1778 | const char *get_unit_name(int unit); |
49dbb6cf DD |
1779 | const char *get_card_name(struct rvt_dev_info *rdi); |
1780 | struct pci_dev *get_pci_dev(struct rvt_dev_info *rdi); | |
77241056 MM |
1781 | |
1782 | /* | |
1783 | * Flush write combining store buffers (if present) and perform a write | |
1784 | * barrier. | |
1785 | */ | |
1786 | static inline void flush_wc(void) | |
1787 | { | |
1788 | asm volatile("sfence" : : : "memory"); | |
1789 | } | |
1790 | ||
1791 | void handle_eflags(struct hfi1_packet *packet); | |
1792 | int process_receive_ib(struct hfi1_packet *packet); | |
1793 | int process_receive_bypass(struct hfi1_packet *packet); | |
1794 | int process_receive_error(struct hfi1_packet *packet); | |
1795 | int kdeth_process_expected(struct hfi1_packet *packet); | |
1796 | int kdeth_process_eager(struct hfi1_packet *packet); | |
1797 | int process_receive_invalid(struct hfi1_packet *packet); | |
1798 | ||
1799 | extern rhf_rcv_function_ptr snoop_rhf_rcv_functions[8]; | |
1800 | ||
895420dd | 1801 | void update_sge(struct rvt_sge_state *ss, u32 length); |
77241056 MM |
1802 | |
1803 | /* global module parameter variables */ | |
1804 | extern unsigned int hfi1_max_mtu; | |
1805 | extern unsigned int hfi1_cu; | |
1806 | extern unsigned int user_credit_return_threshold; | |
2ce6bf22 | 1807 | extern int num_user_contexts; |
429b6a72 | 1808 | extern unsigned long n_krcvqs; |
5b55ea3b | 1809 | extern uint krcvqs[]; |
77241056 MM |
1810 | extern int krcvqsset; |
1811 | extern uint kdeth_qp; | |
1812 | extern uint loopback; | |
1813 | extern uint quick_linkup; | |
1814 | extern uint rcv_intr_timeout; | |
1815 | extern uint rcv_intr_count; | |
1816 | extern uint rcv_intr_dynamic; | |
1817 | extern ushort link_crc_mask; | |
1818 | ||
1819 | extern struct mutex hfi1_mutex; | |
1820 | ||
1821 | /* Number of seconds before our card status check... */ | |
1822 | #define STATUS_TIMEOUT 60 | |
1823 | ||
1824 | #define DRIVER_NAME "hfi1" | |
1825 | #define HFI1_USER_MINOR_BASE 0 | |
1826 | #define HFI1_TRACE_MINOR 127 | |
1827 | #define HFI1_DIAGPKT_MINOR 128 | |
1828 | #define HFI1_DIAG_MINOR_BASE 129 | |
1829 | #define HFI1_SNOOP_CAPTURE_BASE 200 | |
1830 | #define HFI1_NMINORS 255 | |
1831 | ||
1832 | #define PCI_VENDOR_ID_INTEL 0x8086 | |
1833 | #define PCI_DEVICE_ID_INTEL0 0x24f0 | |
1834 | #define PCI_DEVICE_ID_INTEL1 0x24f1 | |
1835 | ||
1836 | #define HFI1_PKT_USER_SC_INTEGRITY \ | |
1837 | (SEND_CTXT_CHECK_ENABLE_DISALLOW_NON_KDETH_PACKETS_SMASK \ | |
e38d1e4f | 1838 | | SEND_CTXT_CHECK_ENABLE_DISALLOW_KDETH_PACKETS_SMASK \ |
77241056 MM |
1839 | | SEND_CTXT_CHECK_ENABLE_DISALLOW_BYPASS_SMASK \ |
1840 | | SEND_CTXT_CHECK_ENABLE_DISALLOW_GRH_SMASK) | |
1841 | ||
1842 | #define HFI1_PKT_KERNEL_SC_INTEGRITY \ | |
1843 | (SEND_CTXT_CHECK_ENABLE_DISALLOW_KDETH_PACKETS_SMASK) | |
1844 | ||
1845 | static inline u64 hfi1_pkt_default_send_ctxt_mask(struct hfi1_devdata *dd, | |
1846 | u16 ctxt_type) | |
1847 | { | |
1848 | u64 base_sc_integrity = | |
1849 | SEND_CTXT_CHECK_ENABLE_DISALLOW_BYPASS_BAD_PKT_LEN_SMASK | |
1850 | | SEND_CTXT_CHECK_ENABLE_DISALLOW_PBC_STATIC_RATE_CONTROL_SMASK | |
1851 | | SEND_CTXT_CHECK_ENABLE_DISALLOW_TOO_LONG_BYPASS_PACKETS_SMASK | |
1852 | | SEND_CTXT_CHECK_ENABLE_DISALLOW_TOO_LONG_IB_PACKETS_SMASK | |
1853 | | SEND_CTXT_CHECK_ENABLE_DISALLOW_BAD_PKT_LEN_SMASK | |
1854 | | SEND_CTXT_CHECK_ENABLE_DISALLOW_PBC_TEST_SMASK | |
1855 | | SEND_CTXT_CHECK_ENABLE_DISALLOW_TOO_SMALL_BYPASS_PACKETS_SMASK | |
1856 | | SEND_CTXT_CHECK_ENABLE_DISALLOW_TOO_SMALL_IB_PACKETS_SMASK | |
1857 | | SEND_CTXT_CHECK_ENABLE_DISALLOW_RAW_IPV6_SMASK | |
1858 | | SEND_CTXT_CHECK_ENABLE_DISALLOW_RAW_SMASK | |
1859 | | SEND_CTXT_CHECK_ENABLE_CHECK_BYPASS_VL_MAPPING_SMASK | |
1860 | | SEND_CTXT_CHECK_ENABLE_CHECK_VL_MAPPING_SMASK | |
1861 | | SEND_CTXT_CHECK_ENABLE_CHECK_OPCODE_SMASK | |
1862 | | SEND_CTXT_CHECK_ENABLE_CHECK_SLID_SMASK | |
1863 | | SEND_CTXT_CHECK_ENABLE_CHECK_JOB_KEY_SMASK | |
1864 | | SEND_CTXT_CHECK_ENABLE_CHECK_VL_SMASK | |
1865 | | SEND_CTXT_CHECK_ENABLE_CHECK_ENABLE_SMASK; | |
1866 | ||
1867 | if (ctxt_type == SC_USER) | |
1868 | base_sc_integrity |= HFI1_PKT_USER_SC_INTEGRITY; | |
1869 | else | |
1870 | base_sc_integrity |= HFI1_PKT_KERNEL_SC_INTEGRITY; | |
1871 | ||
995deafa | 1872 | if (is_ax(dd)) |
624be1db | 1873 | /* turn off send-side job key checks - A0 */ |
77241056 MM |
1874 | return base_sc_integrity & |
1875 | ~SEND_CTXT_CHECK_ENABLE_CHECK_JOB_KEY_SMASK; | |
1876 | return base_sc_integrity; | |
1877 | } | |
1878 | ||
1879 | static inline u64 hfi1_pkt_base_sdma_integrity(struct hfi1_devdata *dd) | |
1880 | { | |
1881 | u64 base_sdma_integrity = | |
1882 | SEND_DMA_CHECK_ENABLE_DISALLOW_BYPASS_BAD_PKT_LEN_SMASK | |
1883 | | SEND_DMA_CHECK_ENABLE_DISALLOW_PBC_STATIC_RATE_CONTROL_SMASK | |
1884 | | SEND_DMA_CHECK_ENABLE_DISALLOW_TOO_LONG_BYPASS_PACKETS_SMASK | |
1885 | | SEND_DMA_CHECK_ENABLE_DISALLOW_TOO_LONG_IB_PACKETS_SMASK | |
1886 | | SEND_DMA_CHECK_ENABLE_DISALLOW_BAD_PKT_LEN_SMASK | |
1887 | | SEND_DMA_CHECK_ENABLE_DISALLOW_TOO_SMALL_BYPASS_PACKETS_SMASK | |
1888 | | SEND_DMA_CHECK_ENABLE_DISALLOW_TOO_SMALL_IB_PACKETS_SMASK | |
1889 | | SEND_DMA_CHECK_ENABLE_DISALLOW_RAW_IPV6_SMASK | |
1890 | | SEND_DMA_CHECK_ENABLE_DISALLOW_RAW_SMASK | |
1891 | | SEND_DMA_CHECK_ENABLE_CHECK_BYPASS_VL_MAPPING_SMASK | |
1892 | | SEND_DMA_CHECK_ENABLE_CHECK_VL_MAPPING_SMASK | |
1893 | | SEND_DMA_CHECK_ENABLE_CHECK_OPCODE_SMASK | |
1894 | | SEND_DMA_CHECK_ENABLE_CHECK_SLID_SMASK | |
1895 | | SEND_DMA_CHECK_ENABLE_CHECK_JOB_KEY_SMASK | |
1896 | | SEND_DMA_CHECK_ENABLE_CHECK_VL_SMASK | |
1897 | | SEND_DMA_CHECK_ENABLE_CHECK_ENABLE_SMASK; | |
1898 | ||
995deafa | 1899 | if (is_ax(dd)) |
624be1db | 1900 | /* turn off send-side job key checks - A0 */ |
77241056 MM |
1901 | return base_sdma_integrity & |
1902 | ~SEND_DMA_CHECK_ENABLE_CHECK_JOB_KEY_SMASK; | |
1903 | return base_sdma_integrity; | |
1904 | } | |
1905 | ||
1906 | /* | |
1907 | * hfi1_early_err is used (only!) to print early errors before devdata is | |
1908 | * allocated, or when dd->pcidev may not be valid, and at the tail end of | |
1909 | * cleanup when devdata may have been freed, etc. hfi1_dev_porterr is | |
1910 | * the same as dd_dev_err, but is used when the message really needs | |
1911 | * the IB port# to be definitive as to what's happening.. | |
1912 | */ | |
1913 | #define hfi1_early_err(dev, fmt, ...) \ | |
1914 | dev_err(dev, fmt, ##__VA_ARGS__) | |
1915 | ||
1916 | #define hfi1_early_info(dev, fmt, ...) \ | |
1917 | dev_info(dev, fmt, ##__VA_ARGS__) | |
1918 | ||
1919 | #define dd_dev_emerg(dd, fmt, ...) \ | |
1920 | dev_emerg(&(dd)->pcidev->dev, "%s: " fmt, \ | |
1921 | get_unit_name((dd)->unit), ##__VA_ARGS__) | |
1922 | #define dd_dev_err(dd, fmt, ...) \ | |
1923 | dev_err(&(dd)->pcidev->dev, "%s: " fmt, \ | |
1924 | get_unit_name((dd)->unit), ##__VA_ARGS__) | |
1925 | #define dd_dev_warn(dd, fmt, ...) \ | |
1926 | dev_warn(&(dd)->pcidev->dev, "%s: " fmt, \ | |
1927 | get_unit_name((dd)->unit), ##__VA_ARGS__) | |
1928 | ||
1929 | #define dd_dev_warn_ratelimited(dd, fmt, ...) \ | |
1930 | dev_warn_ratelimited(&(dd)->pcidev->dev, "%s: " fmt, \ | |
1931 | get_unit_name((dd)->unit), ##__VA_ARGS__) | |
1932 | ||
1933 | #define dd_dev_info(dd, fmt, ...) \ | |
1934 | dev_info(&(dd)->pcidev->dev, "%s: " fmt, \ | |
1935 | get_unit_name((dd)->unit), ##__VA_ARGS__) | |
1936 | ||
a1edc18a IW |
1937 | #define dd_dev_dbg(dd, fmt, ...) \ |
1938 | dev_dbg(&(dd)->pcidev->dev, "%s: " fmt, \ | |
1939 | get_unit_name((dd)->unit), ##__VA_ARGS__) | |
1940 | ||
77241056 | 1941 | #define hfi1_dev_porterr(dd, port, fmt, ...) \ |
cde10afa JP |
1942 | dev_err(&(dd)->pcidev->dev, "%s: port %u: " fmt, \ |
1943 | get_unit_name((dd)->unit), (port), ##__VA_ARGS__) | |
77241056 MM |
1944 | |
1945 | /* | |
1946 | * this is used for formatting hw error messages... | |
1947 | */ | |
1948 | struct hfi1_hwerror_msgs { | |
1949 | u64 mask; | |
1950 | const char *msg; | |
1951 | size_t sz; | |
1952 | }; | |
1953 | ||
1954 | /* in intr.c... */ | |
1955 | void hfi1_format_hwerrors(u64 hwerrs, | |
1956 | const struct hfi1_hwerror_msgs *hwerrmsgs, | |
1957 | size_t nhwerrmsgs, char *msg, size_t lmsg); | |
1958 | ||
1959 | #define USER_OPCODE_CHECK_VAL 0xC0 | |
1960 | #define USER_OPCODE_CHECK_MASK 0xC0 | |
1961 | #define OPCODE_CHECK_VAL_DISABLED 0x0 | |
1962 | #define OPCODE_CHECK_MASK_DISABLED 0x0 | |
1963 | ||
1964 | static inline void hfi1_reset_cpu_counters(struct hfi1_devdata *dd) | |
1965 | { | |
1966 | struct hfi1_pportdata *ppd; | |
1967 | int i; | |
1968 | ||
1969 | dd->z_int_counter = get_all_cpu_total(dd->int_counter); | |
1970 | dd->z_rcv_limit = get_all_cpu_total(dd->rcv_limit); | |
89abfc8d | 1971 | dd->z_send_schedule = get_all_cpu_total(dd->send_schedule); |
77241056 MM |
1972 | |
1973 | ppd = (struct hfi1_pportdata *)(dd + 1); | |
1974 | for (i = 0; i < dd->num_pports; i++, ppd++) { | |
4eb06882 DD |
1975 | ppd->ibport_data.rvp.z_rc_acks = |
1976 | get_all_cpu_total(ppd->ibport_data.rvp.rc_acks); | |
1977 | ppd->ibport_data.rvp.z_rc_qacks = | |
1978 | get_all_cpu_total(ppd->ibport_data.rvp.rc_qacks); | |
77241056 MM |
1979 | } |
1980 | } | |
1981 | ||
1982 | /* Control LED state */ | |
1983 | static inline void setextled(struct hfi1_devdata *dd, u32 on) | |
1984 | { | |
1985 | if (on) | |
1986 | write_csr(dd, DCC_CFG_LED_CNTRL, 0x1F); | |
1987 | else | |
1988 | write_csr(dd, DCC_CFG_LED_CNTRL, 0x10); | |
1989 | } | |
1990 | ||
765a6fac DL |
1991 | /* return the i2c resource given the target */ |
1992 | static inline u32 i2c_target(u32 target) | |
1993 | { | |
1994 | return target ? CR_I2C2 : CR_I2C1; | |
1995 | } | |
1996 | ||
1997 | /* return the i2c chain chip resource that this HFI uses for QSFP */ | |
1998 | static inline u32 qsfp_resource(struct hfi1_devdata *dd) | |
1999 | { | |
2000 | return i2c_target(dd->hfi1_id); | |
2001 | } | |
2002 | ||
77241056 MM |
2003 | int hfi1_tempsense_rd(struct hfi1_devdata *dd, struct hfi1_temp *temp); |
2004 | ||
462b6b21 SS |
2005 | #define DD_DEV_ENTRY(dd) __string(dev, dev_name(&(dd)->pcidev->dev)) |
2006 | #define DD_DEV_ASSIGN(dd) __assign_str(dev, dev_name(&(dd)->pcidev->dev)) | |
2007 | ||
2008 | #define packettype_name(etype) { RHF_RCV_TYPE_##etype, #etype } | |
2009 | #define show_packettype(etype) \ | |
2010 | __print_symbolic(etype, \ | |
2011 | packettype_name(EXPECTED), \ | |
2012 | packettype_name(EAGER), \ | |
2013 | packettype_name(IB), \ | |
2014 | packettype_name(ERROR), \ | |
2015 | packettype_name(BYPASS)) | |
2016 | ||
2017 | #define ib_opcode_name(opcode) { IB_OPCODE_##opcode, #opcode } | |
2018 | #define show_ib_opcode(opcode) \ | |
2019 | __print_symbolic(opcode, \ | |
2020 | ib_opcode_name(RC_SEND_FIRST), \ | |
2021 | ib_opcode_name(RC_SEND_MIDDLE), \ | |
2022 | ib_opcode_name(RC_SEND_LAST), \ | |
2023 | ib_opcode_name(RC_SEND_LAST_WITH_IMMEDIATE), \ | |
2024 | ib_opcode_name(RC_SEND_ONLY), \ | |
2025 | ib_opcode_name(RC_SEND_ONLY_WITH_IMMEDIATE), \ | |
2026 | ib_opcode_name(RC_RDMA_WRITE_FIRST), \ | |
2027 | ib_opcode_name(RC_RDMA_WRITE_MIDDLE), \ | |
2028 | ib_opcode_name(RC_RDMA_WRITE_LAST), \ | |
2029 | ib_opcode_name(RC_RDMA_WRITE_LAST_WITH_IMMEDIATE), \ | |
2030 | ib_opcode_name(RC_RDMA_WRITE_ONLY), \ | |
2031 | ib_opcode_name(RC_RDMA_WRITE_ONLY_WITH_IMMEDIATE), \ | |
2032 | ib_opcode_name(RC_RDMA_READ_REQUEST), \ | |
2033 | ib_opcode_name(RC_RDMA_READ_RESPONSE_FIRST), \ | |
2034 | ib_opcode_name(RC_RDMA_READ_RESPONSE_MIDDLE), \ | |
2035 | ib_opcode_name(RC_RDMA_READ_RESPONSE_LAST), \ | |
2036 | ib_opcode_name(RC_RDMA_READ_RESPONSE_ONLY), \ | |
2037 | ib_opcode_name(RC_ACKNOWLEDGE), \ | |
2038 | ib_opcode_name(RC_ATOMIC_ACKNOWLEDGE), \ | |
2039 | ib_opcode_name(RC_COMPARE_SWAP), \ | |
2040 | ib_opcode_name(RC_FETCH_ADD), \ | |
2041 | ib_opcode_name(UC_SEND_FIRST), \ | |
2042 | ib_opcode_name(UC_SEND_MIDDLE), \ | |
2043 | ib_opcode_name(UC_SEND_LAST), \ | |
2044 | ib_opcode_name(UC_SEND_LAST_WITH_IMMEDIATE), \ | |
2045 | ib_opcode_name(UC_SEND_ONLY), \ | |
2046 | ib_opcode_name(UC_SEND_ONLY_WITH_IMMEDIATE), \ | |
2047 | ib_opcode_name(UC_RDMA_WRITE_FIRST), \ | |
2048 | ib_opcode_name(UC_RDMA_WRITE_MIDDLE), \ | |
2049 | ib_opcode_name(UC_RDMA_WRITE_LAST), \ | |
2050 | ib_opcode_name(UC_RDMA_WRITE_LAST_WITH_IMMEDIATE), \ | |
2051 | ib_opcode_name(UC_RDMA_WRITE_ONLY), \ | |
2052 | ib_opcode_name(UC_RDMA_WRITE_ONLY_WITH_IMMEDIATE), \ | |
2053 | ib_opcode_name(UD_SEND_ONLY), \ | |
2054 | ib_opcode_name(UD_SEND_ONLY_WITH_IMMEDIATE), \ | |
2055 | ib_opcode_name(CNP)) | |
77241056 | 2056 | #endif /* _HFI1_KERNEL_H */ |