Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. | |
2a1d9b7f | 3 | * Copyright (c) 2005 Mellanox Technologies. All rights reserved. |
4885bf64 | 4 | * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved. |
1da177e4 LT |
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 | * $Id: mthca_cmd.c 1349 2004-12-16 21:09:43Z roland $ | |
35 | */ | |
36 | ||
2a214182 | 37 | #include <linux/completion.h> |
1da177e4 LT |
38 | #include <linux/pci.h> |
39 | #include <linux/errno.h> | |
e8edc6e0 | 40 | #include <linux/sched.h> |
1da177e4 | 41 | #include <asm/io.h> |
a4d61e84 | 42 | #include <rdma/ib_mad.h> |
1da177e4 LT |
43 | |
44 | #include "mthca_dev.h" | |
45 | #include "mthca_config_reg.h" | |
46 | #include "mthca_cmd.h" | |
47 | #include "mthca_memfree.h" | |
48 | ||
49 | #define CMD_POLL_TOKEN 0xffff | |
50 | ||
51 | enum { | |
52 | HCR_IN_PARAM_OFFSET = 0x00, | |
53 | HCR_IN_MODIFIER_OFFSET = 0x08, | |
54 | HCR_OUT_PARAM_OFFSET = 0x0c, | |
55 | HCR_TOKEN_OFFSET = 0x14, | |
56 | HCR_STATUS_OFFSET = 0x18, | |
57 | ||
58 | HCR_OPMOD_SHIFT = 12, | |
59 | HCA_E_BIT = 22, | |
60 | HCR_GO_BIT = 23 | |
61 | }; | |
62 | ||
63 | enum { | |
64 | /* initialization and general commands */ | |
65 | CMD_SYS_EN = 0x1, | |
66 | CMD_SYS_DIS = 0x2, | |
67 | CMD_MAP_FA = 0xfff, | |
68 | CMD_UNMAP_FA = 0xffe, | |
69 | CMD_RUN_FW = 0xff6, | |
70 | CMD_MOD_STAT_CFG = 0x34, | |
71 | CMD_QUERY_DEV_LIM = 0x3, | |
72 | CMD_QUERY_FW = 0x4, | |
73 | CMD_ENABLE_LAM = 0xff8, | |
74 | CMD_DISABLE_LAM = 0xff7, | |
75 | CMD_QUERY_DDR = 0x5, | |
76 | CMD_QUERY_ADAPTER = 0x6, | |
77 | CMD_INIT_HCA = 0x7, | |
78 | CMD_CLOSE_HCA = 0x8, | |
79 | CMD_INIT_IB = 0x9, | |
80 | CMD_CLOSE_IB = 0xa, | |
81 | CMD_QUERY_HCA = 0xb, | |
82 | CMD_SET_IB = 0xc, | |
83 | CMD_ACCESS_DDR = 0x2e, | |
84 | CMD_MAP_ICM = 0xffa, | |
85 | CMD_UNMAP_ICM = 0xff9, | |
86 | CMD_MAP_ICM_AUX = 0xffc, | |
87 | CMD_UNMAP_ICM_AUX = 0xffb, | |
88 | CMD_SET_ICM_SIZE = 0xffd, | |
89 | ||
90 | /* TPT commands */ | |
91 | CMD_SW2HW_MPT = 0xd, | |
92 | CMD_QUERY_MPT = 0xe, | |
93 | CMD_HW2SW_MPT = 0xf, | |
94 | CMD_READ_MTT = 0x10, | |
95 | CMD_WRITE_MTT = 0x11, | |
96 | CMD_SYNC_TPT = 0x2f, | |
97 | ||
98 | /* EQ commands */ | |
99 | CMD_MAP_EQ = 0x12, | |
100 | CMD_SW2HW_EQ = 0x13, | |
101 | CMD_HW2SW_EQ = 0x14, | |
102 | CMD_QUERY_EQ = 0x15, | |
103 | ||
104 | /* CQ commands */ | |
105 | CMD_SW2HW_CQ = 0x16, | |
106 | CMD_HW2SW_CQ = 0x17, | |
107 | CMD_QUERY_CQ = 0x18, | |
108 | CMD_RESIZE_CQ = 0x2c, | |
109 | ||
110 | /* SRQ commands */ | |
111 | CMD_SW2HW_SRQ = 0x35, | |
112 | CMD_HW2SW_SRQ = 0x36, | |
113 | CMD_QUERY_SRQ = 0x37, | |
ec34a922 | 114 | CMD_ARM_SRQ = 0x40, |
1da177e4 LT |
115 | |
116 | /* QP/EE commands */ | |
117 | CMD_RST2INIT_QPEE = 0x19, | |
118 | CMD_INIT2RTR_QPEE = 0x1a, | |
119 | CMD_RTR2RTS_QPEE = 0x1b, | |
120 | CMD_RTS2RTS_QPEE = 0x1c, | |
121 | CMD_SQERR2RTS_QPEE = 0x1d, | |
122 | CMD_2ERR_QPEE = 0x1e, | |
123 | CMD_RTS2SQD_QPEE = 0x1f, | |
124 | CMD_SQD2SQD_QPEE = 0x38, | |
125 | CMD_SQD2RTS_QPEE = 0x20, | |
126 | CMD_ERR2RST_QPEE = 0x21, | |
127 | CMD_QUERY_QPEE = 0x22, | |
128 | CMD_INIT2INIT_QPEE = 0x2d, | |
129 | CMD_SUSPEND_QPEE = 0x32, | |
130 | CMD_UNSUSPEND_QPEE = 0x33, | |
131 | /* special QPs and management commands */ | |
132 | CMD_CONF_SPECIAL_QP = 0x23, | |
133 | CMD_MAD_IFC = 0x24, | |
134 | ||
135 | /* multicast commands */ | |
136 | CMD_READ_MGM = 0x25, | |
137 | CMD_WRITE_MGM = 0x26, | |
138 | CMD_MGID_HASH = 0x27, | |
139 | ||
140 | /* miscellaneous commands */ | |
141 | CMD_DIAG_RPRT = 0x30, | |
142 | CMD_NOP = 0x31, | |
143 | ||
144 | /* debug commands */ | |
145 | CMD_QUERY_DEBUG_MSG = 0x2a, | |
146 | CMD_SET_DEBUG_MSG = 0x2b, | |
147 | }; | |
148 | ||
149 | /* | |
150 | * According to Mellanox code, FW may be starved and never complete | |
151 | * commands. So we can't use strict timeouts described in PRM -- we | |
152 | * just arbitrarily select 60 seconds for now. | |
153 | */ | |
154 | #if 0 | |
155 | /* | |
156 | * Round up and add 1 to make sure we get the full wait time (since we | |
157 | * will be starting in the middle of a jiffy) | |
158 | */ | |
159 | enum { | |
160 | CMD_TIME_CLASS_A = (HZ + 999) / 1000 + 1, | |
161 | CMD_TIME_CLASS_B = (HZ + 99) / 100 + 1, | |
162 | CMD_TIME_CLASS_C = (HZ + 9) / 10 + 1 | |
163 | }; | |
164 | #else | |
165 | enum { | |
166 | CMD_TIME_CLASS_A = 60 * HZ, | |
167 | CMD_TIME_CLASS_B = 60 * HZ, | |
168 | CMD_TIME_CLASS_C = 60 * HZ | |
169 | }; | |
170 | #endif | |
171 | ||
172 | enum { | |
173 | GO_BIT_TIMEOUT = HZ * 10 | |
174 | }; | |
175 | ||
176 | struct mthca_cmd_context { | |
177 | struct completion done; | |
1da177e4 LT |
178 | int result; |
179 | int next; | |
180 | u64 out_param; | |
181 | u16 token; | |
182 | u8 status; | |
183 | }; | |
184 | ||
1db76c14 | 185 | static int fw_cmd_doorbell = 0; |
14abdffc EC |
186 | module_param(fw_cmd_doorbell, int, 0644); |
187 | MODULE_PARM_DESC(fw_cmd_doorbell, "post FW commands through doorbell page if nonzero " | |
188 | "(and supported by FW)"); | |
189 | ||
1da177e4 LT |
190 | static inline int go_bit(struct mthca_dev *dev) |
191 | { | |
192 | return readl(dev->hcr + HCR_STATUS_OFFSET) & | |
193 | swab32(1 << HCR_GO_BIT); | |
194 | } | |
195 | ||
14abdffc EC |
196 | static void mthca_cmd_post_dbell(struct mthca_dev *dev, |
197 | u64 in_param, | |
198 | u64 out_param, | |
199 | u32 in_modifier, | |
200 | u8 op_modifier, | |
201 | u16 op, | |
202 | u16 token) | |
1da177e4 | 203 | { |
14abdffc EC |
204 | void __iomem *ptr = dev->cmd.dbell_map; |
205 | u16 *offs = dev->cmd.dbell_offsets; | |
1da177e4 | 206 | |
14abdffc EC |
207 | __raw_writel((__force u32) cpu_to_be32(in_param >> 32), ptr + offs[0]); |
208 | wmb(); | |
209 | __raw_writel((__force u32) cpu_to_be32(in_param & 0xfffffffful), ptr + offs[1]); | |
210 | wmb(); | |
211 | __raw_writel((__force u32) cpu_to_be32(in_modifier), ptr + offs[2]); | |
212 | wmb(); | |
213 | __raw_writel((__force u32) cpu_to_be32(out_param >> 32), ptr + offs[3]); | |
214 | wmb(); | |
215 | __raw_writel((__force u32) cpu_to_be32(out_param & 0xfffffffful), ptr + offs[4]); | |
216 | wmb(); | |
217 | __raw_writel((__force u32) cpu_to_be32(token << 16), ptr + offs[5]); | |
218 | wmb(); | |
219 | __raw_writel((__force u32) cpu_to_be32((1 << HCR_GO_BIT) | | |
220 | (1 << HCA_E_BIT) | | |
221 | (op_modifier << HCR_OPMOD_SHIFT) | | |
222 | op), ptr + offs[6]); | |
223 | wmb(); | |
224 | __raw_writel((__force u32) 0, ptr + offs[7]); | |
225 | wmb(); | |
226 | } | |
1da177e4 | 227 | |
14abdffc EC |
228 | static int mthca_cmd_post_hcr(struct mthca_dev *dev, |
229 | u64 in_param, | |
230 | u64 out_param, | |
231 | u32 in_modifier, | |
232 | u8 op_modifier, | |
233 | u16 op, | |
234 | u16 token, | |
235 | int event) | |
236 | { | |
1da177e4 LT |
237 | if (event) { |
238 | unsigned long end = jiffies + GO_BIT_TIMEOUT; | |
239 | ||
240 | while (go_bit(dev) && time_before(jiffies, end)) { | |
241 | set_current_state(TASK_RUNNING); | |
242 | schedule(); | |
243 | } | |
244 | } | |
245 | ||
14abdffc EC |
246 | if (go_bit(dev)) |
247 | return -EAGAIN; | |
1da177e4 LT |
248 | |
249 | /* | |
250 | * We use writel (instead of something like memcpy_toio) | |
251 | * because writes of less than 32 bits to the HCR don't work | |
252 | * (and some architectures such as ia64 implement memcpy_toio | |
253 | * in terms of writeb). | |
254 | */ | |
97f52eb4 SH |
255 | __raw_writel((__force u32) cpu_to_be32(in_param >> 32), dev->hcr + 0 * 4); |
256 | __raw_writel((__force u32) cpu_to_be32(in_param & 0xfffffffful), dev->hcr + 1 * 4); | |
257 | __raw_writel((__force u32) cpu_to_be32(in_modifier), dev->hcr + 2 * 4); | |
258 | __raw_writel((__force u32) cpu_to_be32(out_param >> 32), dev->hcr + 3 * 4); | |
259 | __raw_writel((__force u32) cpu_to_be32(out_param & 0xfffffffful), dev->hcr + 4 * 4); | |
260 | __raw_writel((__force u32) cpu_to_be32(token << 16), dev->hcr + 5 * 4); | |
1da177e4 LT |
261 | |
262 | /* __raw_writel may not order writes. */ | |
263 | wmb(); | |
264 | ||
97f52eb4 SH |
265 | __raw_writel((__force u32) cpu_to_be32((1 << HCR_GO_BIT) | |
266 | (event ? (1 << HCA_E_BIT) : 0) | | |
267 | (op_modifier << HCR_OPMOD_SHIFT) | | |
268 | op), dev->hcr + 6 * 4); | |
1da177e4 | 269 | |
14abdffc EC |
270 | return 0; |
271 | } | |
272 | ||
273 | static int mthca_cmd_post(struct mthca_dev *dev, | |
274 | u64 in_param, | |
275 | u64 out_param, | |
276 | u32 in_modifier, | |
277 | u8 op_modifier, | |
278 | u16 op, | |
279 | u16 token, | |
280 | int event) | |
281 | { | |
282 | int err = 0; | |
283 | ||
284 | mutex_lock(&dev->cmd.hcr_mutex); | |
285 | ||
286 | if (event && dev->cmd.flags & MTHCA_CMD_POST_DOORBELLS && fw_cmd_doorbell) | |
287 | mthca_cmd_post_dbell(dev, in_param, out_param, in_modifier, | |
288 | op_modifier, op, token); | |
289 | else | |
290 | err = mthca_cmd_post_hcr(dev, in_param, out_param, in_modifier, | |
291 | op_modifier, op, token, event); | |
292 | ||
fd9cfdd1 | 293 | mutex_unlock(&dev->cmd.hcr_mutex); |
1da177e4 LT |
294 | return err; |
295 | } | |
296 | ||
297 | static int mthca_cmd_poll(struct mthca_dev *dev, | |
298 | u64 in_param, | |
299 | u64 *out_param, | |
300 | int out_is_imm, | |
301 | u32 in_modifier, | |
302 | u8 op_modifier, | |
303 | u16 op, | |
304 | unsigned long timeout, | |
305 | u8 *status) | |
306 | { | |
307 | int err = 0; | |
308 | unsigned long end; | |
309 | ||
e3aa31c5 | 310 | down(&dev->cmd.poll_sem); |
1da177e4 LT |
311 | |
312 | err = mthca_cmd_post(dev, in_param, | |
313 | out_param ? *out_param : 0, | |
314 | in_modifier, op_modifier, | |
315 | op, CMD_POLL_TOKEN, 0); | |
316 | if (err) | |
317 | goto out; | |
318 | ||
319 | end = timeout + jiffies; | |
320 | while (go_bit(dev) && time_before(jiffies, end)) { | |
321 | set_current_state(TASK_RUNNING); | |
322 | schedule(); | |
323 | } | |
324 | ||
325 | if (go_bit(dev)) { | |
326 | err = -EBUSY; | |
327 | goto out; | |
328 | } | |
329 | ||
97f52eb4 | 330 | if (out_is_imm) |
2fa5e2eb | 331 | *out_param = |
97f52eb4 SH |
332 | (u64) be32_to_cpu((__force __be32) |
333 | __raw_readl(dev->hcr + HCR_OUT_PARAM_OFFSET)) << 32 | | |
334 | (u64) be32_to_cpu((__force __be32) | |
335 | __raw_readl(dev->hcr + HCR_OUT_PARAM_OFFSET + 4)); | |
1da177e4 | 336 | |
97f52eb4 | 337 | *status = be32_to_cpu((__force __be32) __raw_readl(dev->hcr + HCR_STATUS_OFFSET)) >> 24; |
1da177e4 LT |
338 | |
339 | out: | |
340 | up(&dev->cmd.poll_sem); | |
341 | return err; | |
342 | } | |
343 | ||
344 | void mthca_cmd_event(struct mthca_dev *dev, | |
345 | u16 token, | |
346 | u8 status, | |
347 | u64 out_param) | |
348 | { | |
349 | struct mthca_cmd_context *context = | |
350 | &dev->cmd.context[token & dev->cmd.token_mask]; | |
351 | ||
352 | /* previously timed out command completing at long last */ | |
353 | if (token != context->token) | |
354 | return; | |
355 | ||
356 | context->result = 0; | |
357 | context->status = status; | |
358 | context->out_param = out_param; | |
359 | ||
360 | context->token += dev->cmd.token_mask + 1; | |
361 | ||
362 | complete(&context->done); | |
363 | } | |
364 | ||
1da177e4 LT |
365 | static int mthca_cmd_wait(struct mthca_dev *dev, |
366 | u64 in_param, | |
367 | u64 *out_param, | |
368 | int out_is_imm, | |
369 | u32 in_modifier, | |
370 | u8 op_modifier, | |
371 | u16 op, | |
372 | unsigned long timeout, | |
373 | u8 *status) | |
374 | { | |
375 | int err = 0; | |
376 | struct mthca_cmd_context *context; | |
377 | ||
e3aa31c5 | 378 | down(&dev->cmd.event_sem); |
1da177e4 LT |
379 | |
380 | spin_lock(&dev->cmd.context_lock); | |
381 | BUG_ON(dev->cmd.free_head < 0); | |
382 | context = &dev->cmd.context[dev->cmd.free_head]; | |
383 | dev->cmd.free_head = context->next; | |
384 | spin_unlock(&dev->cmd.context_lock); | |
385 | ||
386 | init_completion(&context->done); | |
387 | ||
388 | err = mthca_cmd_post(dev, in_param, | |
389 | out_param ? *out_param : 0, | |
390 | in_modifier, op_modifier, | |
391 | op, context->token, 1); | |
392 | if (err) | |
393 | goto out; | |
394 | ||
e9cd5941 RD |
395 | if (!wait_for_completion_timeout(&context->done, timeout)) { |
396 | err = -EBUSY; | |
397 | goto out; | |
398 | } | |
1da177e4 LT |
399 | |
400 | err = context->result; | |
401 | if (err) | |
402 | goto out; | |
403 | ||
404 | *status = context->status; | |
405 | if (*status) | |
406 | mthca_dbg(dev, "Command %02x completed with status %02x\n", | |
407 | op, *status); | |
408 | ||
409 | if (out_is_imm) | |
410 | *out_param = context->out_param; | |
411 | ||
412 | out: | |
413 | spin_lock(&dev->cmd.context_lock); | |
414 | context->next = dev->cmd.free_head; | |
415 | dev->cmd.free_head = context - dev->cmd.context; | |
416 | spin_unlock(&dev->cmd.context_lock); | |
417 | ||
418 | up(&dev->cmd.event_sem); | |
419 | return err; | |
420 | } | |
421 | ||
422 | /* Invoke a command with an output mailbox */ | |
423 | static int mthca_cmd_box(struct mthca_dev *dev, | |
424 | u64 in_param, | |
425 | u64 out_param, | |
426 | u32 in_modifier, | |
427 | u8 op_modifier, | |
428 | u16 op, | |
429 | unsigned long timeout, | |
430 | u8 *status) | |
431 | { | |
14abdffc | 432 | if (dev->cmd.flags & MTHCA_CMD_USE_EVENTS) |
1da177e4 LT |
433 | return mthca_cmd_wait(dev, in_param, &out_param, 0, |
434 | in_modifier, op_modifier, op, | |
435 | timeout, status); | |
436 | else | |
437 | return mthca_cmd_poll(dev, in_param, &out_param, 0, | |
438 | in_modifier, op_modifier, op, | |
439 | timeout, status); | |
440 | } | |
441 | ||
442 | /* Invoke a command with no output parameter */ | |
443 | static int mthca_cmd(struct mthca_dev *dev, | |
444 | u64 in_param, | |
445 | u32 in_modifier, | |
446 | u8 op_modifier, | |
447 | u16 op, | |
448 | unsigned long timeout, | |
449 | u8 *status) | |
450 | { | |
451 | return mthca_cmd_box(dev, in_param, 0, in_modifier, | |
452 | op_modifier, op, timeout, status); | |
453 | } | |
454 | ||
455 | /* | |
456 | * Invoke a command with an immediate output parameter (and copy the | |
457 | * output into the caller's out_param pointer after the command | |
458 | * executes). | |
459 | */ | |
460 | static int mthca_cmd_imm(struct mthca_dev *dev, | |
461 | u64 in_param, | |
462 | u64 *out_param, | |
463 | u32 in_modifier, | |
464 | u8 op_modifier, | |
465 | u16 op, | |
466 | unsigned long timeout, | |
467 | u8 *status) | |
468 | { | |
14abdffc | 469 | if (dev->cmd.flags & MTHCA_CMD_USE_EVENTS) |
1da177e4 LT |
470 | return mthca_cmd_wait(dev, in_param, out_param, 1, |
471 | in_modifier, op_modifier, op, | |
472 | timeout, status); | |
473 | else | |
474 | return mthca_cmd_poll(dev, in_param, out_param, 1, | |
475 | in_modifier, op_modifier, op, | |
476 | timeout, status); | |
477 | } | |
478 | ||
80fd8238 RD |
479 | int mthca_cmd_init(struct mthca_dev *dev) |
480 | { | |
fd9cfdd1 | 481 | mutex_init(&dev->cmd.hcr_mutex); |
80fd8238 | 482 | sema_init(&dev->cmd.poll_sem, 1); |
14abdffc | 483 | dev->cmd.flags = 0; |
80fd8238 RD |
484 | |
485 | dev->hcr = ioremap(pci_resource_start(dev->pdev, 0) + MTHCA_HCR_BASE, | |
486 | MTHCA_HCR_SIZE); | |
487 | if (!dev->hcr) { | |
488 | mthca_err(dev, "Couldn't map command register."); | |
489 | return -ENOMEM; | |
490 | } | |
491 | ||
ed878458 RD |
492 | dev->cmd.pool = pci_pool_create("mthca_cmd", dev->pdev, |
493 | MTHCA_MAILBOX_SIZE, | |
494 | MTHCA_MAILBOX_SIZE, 0); | |
495 | if (!dev->cmd.pool) { | |
496 | iounmap(dev->hcr); | |
497 | return -ENOMEM; | |
498 | } | |
499 | ||
80fd8238 RD |
500 | return 0; |
501 | } | |
502 | ||
503 | void mthca_cmd_cleanup(struct mthca_dev *dev) | |
504 | { | |
ed878458 | 505 | pci_pool_destroy(dev->cmd.pool); |
80fd8238 | 506 | iounmap(dev->hcr); |
14abdffc EC |
507 | if (dev->cmd.flags & MTHCA_CMD_POST_DOORBELLS) |
508 | iounmap(dev->cmd.dbell_map); | |
80fd8238 RD |
509 | } |
510 | ||
1da177e4 LT |
511 | /* |
512 | * Switch to using events to issue FW commands (should be called after | |
513 | * event queue to command events has been initialized). | |
514 | */ | |
515 | int mthca_cmd_use_events(struct mthca_dev *dev) | |
516 | { | |
517 | int i; | |
518 | ||
519 | dev->cmd.context = kmalloc(dev->cmd.max_cmds * | |
520 | sizeof (struct mthca_cmd_context), | |
521 | GFP_KERNEL); | |
522 | if (!dev->cmd.context) | |
523 | return -ENOMEM; | |
524 | ||
525 | for (i = 0; i < dev->cmd.max_cmds; ++i) { | |
526 | dev->cmd.context[i].token = i; | |
527 | dev->cmd.context[i].next = i + 1; | |
1da177e4 LT |
528 | } |
529 | ||
530 | dev->cmd.context[dev->cmd.max_cmds - 1].next = -1; | |
531 | dev->cmd.free_head = 0; | |
532 | ||
533 | sema_init(&dev->cmd.event_sem, dev->cmd.max_cmds); | |
534 | spin_lock_init(&dev->cmd.context_lock); | |
535 | ||
536 | for (dev->cmd.token_mask = 1; | |
537 | dev->cmd.token_mask < dev->cmd.max_cmds; | |
538 | dev->cmd.token_mask <<= 1) | |
539 | ; /* nothing */ | |
540 | --dev->cmd.token_mask; | |
541 | ||
14abdffc EC |
542 | dev->cmd.flags |= MTHCA_CMD_USE_EVENTS; |
543 | ||
1da177e4 LT |
544 | down(&dev->cmd.poll_sem); |
545 | ||
546 | return 0; | |
547 | } | |
548 | ||
549 | /* | |
550 | * Switch back to polling (used when shutting down the device) | |
551 | */ | |
552 | void mthca_cmd_use_polling(struct mthca_dev *dev) | |
553 | { | |
554 | int i; | |
555 | ||
14abdffc | 556 | dev->cmd.flags &= ~MTHCA_CMD_USE_EVENTS; |
1da177e4 LT |
557 | |
558 | for (i = 0; i < dev->cmd.max_cmds; ++i) | |
559 | down(&dev->cmd.event_sem); | |
560 | ||
561 | kfree(dev->cmd.context); | |
562 | ||
563 | up(&dev->cmd.poll_sem); | |
564 | } | |
565 | ||
ed878458 | 566 | struct mthca_mailbox *mthca_alloc_mailbox(struct mthca_dev *dev, |
87b750dc | 567 | gfp_t gfp_mask) |
ed878458 RD |
568 | { |
569 | struct mthca_mailbox *mailbox; | |
570 | ||
571 | mailbox = kmalloc(sizeof *mailbox, gfp_mask); | |
572 | if (!mailbox) | |
573 | return ERR_PTR(-ENOMEM); | |
574 | ||
575 | mailbox->buf = pci_pool_alloc(dev->cmd.pool, gfp_mask, &mailbox->dma); | |
576 | if (!mailbox->buf) { | |
577 | kfree(mailbox); | |
578 | return ERR_PTR(-ENOMEM); | |
579 | } | |
580 | ||
581 | return mailbox; | |
582 | } | |
583 | ||
584 | void mthca_free_mailbox(struct mthca_dev *dev, struct mthca_mailbox *mailbox) | |
585 | { | |
586 | if (!mailbox) | |
587 | return; | |
588 | ||
589 | pci_pool_free(dev->cmd.pool, mailbox->buf, mailbox->dma); | |
590 | kfree(mailbox); | |
591 | } | |
592 | ||
1da177e4 LT |
593 | int mthca_SYS_EN(struct mthca_dev *dev, u8 *status) |
594 | { | |
595 | u64 out; | |
596 | int ret; | |
597 | ||
598 | ret = mthca_cmd_imm(dev, 0, &out, 0, 0, CMD_SYS_EN, HZ, status); | |
599 | ||
600 | if (*status == MTHCA_CMD_STAT_DDR_MEM_ERR) | |
601 | mthca_warn(dev, "SYS_EN DDR error: syn=%x, sock=%d, " | |
602 | "sladdr=%d, SPD source=%s\n", | |
603 | (int) (out >> 6) & 0xf, (int) (out >> 4) & 3, | |
604 | (int) (out >> 1) & 7, (int) out & 1 ? "NVMEM" : "DIMM"); | |
605 | ||
606 | return ret; | |
607 | } | |
608 | ||
609 | int mthca_SYS_DIS(struct mthca_dev *dev, u8 *status) | |
610 | { | |
611 | return mthca_cmd(dev, 0, 0, 0, CMD_SYS_DIS, HZ, status); | |
612 | } | |
613 | ||
614 | static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm, | |
615 | u64 virt, u8 *status) | |
616 | { | |
ed878458 | 617 | struct mthca_mailbox *mailbox; |
1da177e4 | 618 | struct mthca_icm_iter iter; |
ed878458 | 619 | __be64 *pages; |
1da177e4 LT |
620 | int lg; |
621 | int nent = 0; | |
622 | int i; | |
623 | int err = 0; | |
624 | int ts = 0, tc = 0; | |
625 | ||
ed878458 RD |
626 | mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); |
627 | if (IS_ERR(mailbox)) | |
628 | return PTR_ERR(mailbox); | |
629 | memset(mailbox->buf, 0, MTHCA_MAILBOX_SIZE); | |
630 | pages = mailbox->buf; | |
1da177e4 LT |
631 | |
632 | for (mthca_icm_first(icm, &iter); | |
633 | !mthca_icm_last(&iter); | |
634 | mthca_icm_next(&iter)) { | |
635 | /* | |
636 | * We have to pass pages that are aligned to their | |
637 | * size, so find the least significant 1 in the | |
638 | * address or size and use that as our log2 size. | |
639 | */ | |
640 | lg = ffs(mthca_icm_addr(&iter) | mthca_icm_size(&iter)) - 1; | |
8d3ef29d IR |
641 | if (lg < MTHCA_ICM_PAGE_SHIFT) { |
642 | mthca_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n", | |
643 | MTHCA_ICM_PAGE_SIZE, | |
1da177e4 LT |
644 | (unsigned long long) mthca_icm_addr(&iter), |
645 | mthca_icm_size(&iter)); | |
646 | err = -EINVAL; | |
647 | goto out; | |
648 | } | |
59f174fa | 649 | for (i = 0; i < mthca_icm_size(&iter) >> lg; ++i) { |
1da177e4 | 650 | if (virt != -1) { |
ed878458 | 651 | pages[nent * 2] = cpu_to_be64(virt); |
1da177e4 LT |
652 | virt += 1 << lg; |
653 | } | |
654 | ||
8d3ef29d IR |
655 | pages[nent * 2 + 1] = |
656 | cpu_to_be64((mthca_icm_addr(&iter) + (i << lg)) | | |
657 | (lg - MTHCA_ICM_PAGE_SHIFT)); | |
1da177e4 LT |
658 | ts += 1 << (lg - 10); |
659 | ++tc; | |
660 | ||
44dd823b | 661 | if (++nent == MTHCA_MAILBOX_SIZE / 16) { |
ed878458 | 662 | err = mthca_cmd(dev, mailbox->dma, nent, 0, op, |
1da177e4 LT |
663 | CMD_TIME_CLASS_B, status); |
664 | if (err || *status) | |
665 | goto out; | |
666 | nent = 0; | |
667 | } | |
668 | } | |
669 | } | |
670 | ||
671 | if (nent) | |
ed878458 | 672 | err = mthca_cmd(dev, mailbox->dma, nent, 0, op, |
1da177e4 LT |
673 | CMD_TIME_CLASS_B, status); |
674 | ||
675 | switch (op) { | |
676 | case CMD_MAP_FA: | |
677 | mthca_dbg(dev, "Mapped %d chunks/%d KB for FW.\n", tc, ts); | |
678 | break; | |
679 | case CMD_MAP_ICM_AUX: | |
680 | mthca_dbg(dev, "Mapped %d chunks/%d KB for ICM aux.\n", tc, ts); | |
681 | break; | |
682 | case CMD_MAP_ICM: | |
683 | mthca_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM.\n", | |
684 | tc, ts, (unsigned long long) virt - (ts << 10)); | |
685 | break; | |
686 | } | |
687 | ||
688 | out: | |
ed878458 | 689 | mthca_free_mailbox(dev, mailbox); |
1da177e4 LT |
690 | return err; |
691 | } | |
692 | ||
693 | int mthca_MAP_FA(struct mthca_dev *dev, struct mthca_icm *icm, u8 *status) | |
694 | { | |
695 | return mthca_map_cmd(dev, CMD_MAP_FA, icm, -1, status); | |
696 | } | |
697 | ||
698 | int mthca_UNMAP_FA(struct mthca_dev *dev, u8 *status) | |
699 | { | |
700 | return mthca_cmd(dev, 0, 0, 0, CMD_UNMAP_FA, CMD_TIME_CLASS_B, status); | |
701 | } | |
702 | ||
703 | int mthca_RUN_FW(struct mthca_dev *dev, u8 *status) | |
704 | { | |
705 | return mthca_cmd(dev, 0, 0, 0, CMD_RUN_FW, CMD_TIME_CLASS_A, status); | |
706 | } | |
707 | ||
14abdffc EC |
708 | static void mthca_setup_cmd_doorbells(struct mthca_dev *dev, u64 base) |
709 | { | |
710 | unsigned long addr; | |
711 | u16 max_off = 0; | |
712 | int i; | |
713 | ||
714 | for (i = 0; i < 8; ++i) | |
715 | max_off = max(max_off, dev->cmd.dbell_offsets[i]); | |
716 | ||
717 | if ((base & PAGE_MASK) != ((base + max_off) & PAGE_MASK)) { | |
718 | mthca_warn(dev, "Firmware doorbell region at 0x%016llx, " | |
719 | "length 0x%x crosses a page boundary\n", | |
720 | (unsigned long long) base, max_off); | |
721 | return; | |
722 | } | |
723 | ||
724 | addr = pci_resource_start(dev->pdev, 2) + | |
725 | ((pci_resource_len(dev->pdev, 2) - 1) & base); | |
726 | dev->cmd.dbell_map = ioremap(addr, max_off + sizeof(u32)); | |
727 | if (!dev->cmd.dbell_map) | |
728 | return; | |
729 | ||
730 | dev->cmd.flags |= MTHCA_CMD_POST_DOORBELLS; | |
731 | mthca_dbg(dev, "Mapped doorbell page for posting FW commands\n"); | |
732 | } | |
733 | ||
1da177e4 LT |
734 | int mthca_QUERY_FW(struct mthca_dev *dev, u8 *status) |
735 | { | |
ed878458 | 736 | struct mthca_mailbox *mailbox; |
1da177e4 | 737 | u32 *outbox; |
14abdffc EC |
738 | u64 base; |
739 | u32 tmp; | |
1da177e4 LT |
740 | int err = 0; |
741 | u8 lg; | |
14abdffc | 742 | int i; |
1da177e4 LT |
743 | |
744 | #define QUERY_FW_OUT_SIZE 0x100 | |
745 | #define QUERY_FW_VER_OFFSET 0x00 | |
746 | #define QUERY_FW_MAX_CMD_OFFSET 0x0f | |
747 | #define QUERY_FW_ERR_START_OFFSET 0x30 | |
748 | #define QUERY_FW_ERR_SIZE_OFFSET 0x38 | |
749 | ||
14abdffc EC |
750 | #define QUERY_FW_CMD_DB_EN_OFFSET 0x10 |
751 | #define QUERY_FW_CMD_DB_OFFSET 0x50 | |
752 | #define QUERY_FW_CMD_DB_BASE 0x60 | |
753 | ||
1da177e4 LT |
754 | #define QUERY_FW_START_OFFSET 0x20 |
755 | #define QUERY_FW_END_OFFSET 0x28 | |
756 | ||
757 | #define QUERY_FW_SIZE_OFFSET 0x00 | |
758 | #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20 | |
759 | #define QUERY_FW_EQ_ARM_BASE_OFFSET 0x40 | |
760 | #define QUERY_FW_EQ_SET_CI_BASE_OFFSET 0x48 | |
761 | ||
ed878458 RD |
762 | mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); |
763 | if (IS_ERR(mailbox)) | |
764 | return PTR_ERR(mailbox); | |
765 | outbox = mailbox->buf; | |
1da177e4 | 766 | |
ed878458 | 767 | err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_FW, |
1da177e4 LT |
768 | CMD_TIME_CLASS_A, status); |
769 | ||
770 | if (err) | |
771 | goto out; | |
772 | ||
773 | MTHCA_GET(dev->fw_ver, outbox, QUERY_FW_VER_OFFSET); | |
774 | /* | |
3e1db334 | 775 | * FW subminor version is at more significant bits than minor |
1da177e4 LT |
776 | * version, so swap here. |
777 | */ | |
778 | dev->fw_ver = (dev->fw_ver & 0xffff00000000ull) | | |
779 | ((dev->fw_ver & 0xffff0000ull) >> 16) | | |
780 | ((dev->fw_ver & 0x0000ffffull) << 16); | |
781 | ||
8fdf679f RD |
782 | MTHCA_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET); |
783 | dev->cmd.max_cmds = 1 << lg; | |
784 | ||
14abdffc EC |
785 | mthca_dbg(dev, "FW version %012llx, max commands %d\n", |
786 | (unsigned long long) dev->fw_ver, dev->cmd.max_cmds); | |
787 | ||
3d155f8c RD |
788 | MTHCA_GET(dev->catas_err.addr, outbox, QUERY_FW_ERR_START_OFFSET); |
789 | MTHCA_GET(dev->catas_err.size, outbox, QUERY_FW_ERR_SIZE_OFFSET); | |
1da177e4 | 790 | |
3d155f8c RD |
791 | mthca_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x\n", |
792 | (unsigned long long) dev->catas_err.addr, dev->catas_err.size); | |
1da177e4 | 793 | |
14abdffc EC |
794 | MTHCA_GET(tmp, outbox, QUERY_FW_CMD_DB_EN_OFFSET); |
795 | if (tmp & 0x1) { | |
796 | mthca_dbg(dev, "FW supports commands through doorbells\n"); | |
797 | ||
798 | MTHCA_GET(base, outbox, QUERY_FW_CMD_DB_BASE); | |
799 | for (i = 0; i < MTHCA_CMD_NUM_DBELL_DWORDS; ++i) | |
800 | MTHCA_GET(dev->cmd.dbell_offsets[i], outbox, | |
801 | QUERY_FW_CMD_DB_OFFSET + (i << 1)); | |
802 | ||
803 | mthca_setup_cmd_doorbells(dev, base); | |
804 | } | |
805 | ||
d10ddbf6 | 806 | if (mthca_is_memfree(dev)) { |
1da177e4 LT |
807 | MTHCA_GET(dev->fw.arbel.fw_pages, outbox, QUERY_FW_SIZE_OFFSET); |
808 | MTHCA_GET(dev->fw.arbel.clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET); | |
809 | MTHCA_GET(dev->fw.arbel.eq_arm_base, outbox, QUERY_FW_EQ_ARM_BASE_OFFSET); | |
810 | MTHCA_GET(dev->fw.arbel.eq_set_ci_base, outbox, QUERY_FW_EQ_SET_CI_BASE_OFFSET); | |
811 | mthca_dbg(dev, "FW size %d KB\n", dev->fw.arbel.fw_pages << 2); | |
812 | ||
813 | /* | |
8d3ef29d IR |
814 | * Round up number of system pages needed in case |
815 | * MTHCA_ICM_PAGE_SIZE < PAGE_SIZE. | |
1da177e4 LT |
816 | */ |
817 | dev->fw.arbel.fw_pages = | |
8d3ef29d IR |
818 | ALIGN(dev->fw.arbel.fw_pages, PAGE_SIZE / MTHCA_ICM_PAGE_SIZE) >> |
819 | (PAGE_SHIFT - MTHCA_ICM_PAGE_SHIFT); | |
1da177e4 LT |
820 | |
821 | mthca_dbg(dev, "Clear int @ %llx, EQ arm @ %llx, EQ set CI @ %llx\n", | |
822 | (unsigned long long) dev->fw.arbel.clr_int_base, | |
823 | (unsigned long long) dev->fw.arbel.eq_arm_base, | |
824 | (unsigned long long) dev->fw.arbel.eq_set_ci_base); | |
825 | } else { | |
826 | MTHCA_GET(dev->fw.tavor.fw_start, outbox, QUERY_FW_START_OFFSET); | |
827 | MTHCA_GET(dev->fw.tavor.fw_end, outbox, QUERY_FW_END_OFFSET); | |
828 | ||
829 | mthca_dbg(dev, "FW size %d KB (start %llx, end %llx)\n", | |
830 | (int) ((dev->fw.tavor.fw_end - dev->fw.tavor.fw_start) >> 10), | |
831 | (unsigned long long) dev->fw.tavor.fw_start, | |
832 | (unsigned long long) dev->fw.tavor.fw_end); | |
833 | } | |
834 | ||
835 | out: | |
ed878458 | 836 | mthca_free_mailbox(dev, mailbox); |
1da177e4 LT |
837 | return err; |
838 | } | |
839 | ||
840 | int mthca_ENABLE_LAM(struct mthca_dev *dev, u8 *status) | |
841 | { | |
ed878458 | 842 | struct mthca_mailbox *mailbox; |
1da177e4 LT |
843 | u8 info; |
844 | u32 *outbox; | |
1da177e4 LT |
845 | int err = 0; |
846 | ||
847 | #define ENABLE_LAM_OUT_SIZE 0x100 | |
848 | #define ENABLE_LAM_START_OFFSET 0x00 | |
849 | #define ENABLE_LAM_END_OFFSET 0x08 | |
850 | #define ENABLE_LAM_INFO_OFFSET 0x13 | |
851 | ||
852 | #define ENABLE_LAM_INFO_HIDDEN_FLAG (1 << 4) | |
853 | #define ENABLE_LAM_INFO_ECC_MASK 0x3 | |
854 | ||
ed878458 RD |
855 | mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); |
856 | if (IS_ERR(mailbox)) | |
857 | return PTR_ERR(mailbox); | |
858 | outbox = mailbox->buf; | |
1da177e4 | 859 | |
ed878458 | 860 | err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_ENABLE_LAM, |
1da177e4 LT |
861 | CMD_TIME_CLASS_C, status); |
862 | ||
863 | if (err) | |
864 | goto out; | |
865 | ||
866 | if (*status == MTHCA_CMD_STAT_LAM_NOT_PRE) | |
867 | goto out; | |
868 | ||
869 | MTHCA_GET(dev->ddr_start, outbox, ENABLE_LAM_START_OFFSET); | |
870 | MTHCA_GET(dev->ddr_end, outbox, ENABLE_LAM_END_OFFSET); | |
871 | MTHCA_GET(info, outbox, ENABLE_LAM_INFO_OFFSET); | |
872 | ||
873 | if (!!(info & ENABLE_LAM_INFO_HIDDEN_FLAG) != | |
874 | !!(dev->mthca_flags & MTHCA_FLAG_DDR_HIDDEN)) { | |
875 | mthca_info(dev, "FW reports that HCA-attached memory " | |
876 | "is %s hidden; does not match PCI config\n", | |
877 | (info & ENABLE_LAM_INFO_HIDDEN_FLAG) ? | |
878 | "" : "not"); | |
879 | } | |
880 | if (info & ENABLE_LAM_INFO_HIDDEN_FLAG) | |
881 | mthca_dbg(dev, "HCA-attached memory is hidden.\n"); | |
882 | ||
883 | mthca_dbg(dev, "HCA memory size %d KB (start %llx, end %llx)\n", | |
884 | (int) ((dev->ddr_end - dev->ddr_start) >> 10), | |
885 | (unsigned long long) dev->ddr_start, | |
886 | (unsigned long long) dev->ddr_end); | |
887 | ||
888 | out: | |
ed878458 | 889 | mthca_free_mailbox(dev, mailbox); |
1da177e4 LT |
890 | return err; |
891 | } | |
892 | ||
893 | int mthca_DISABLE_LAM(struct mthca_dev *dev, u8 *status) | |
894 | { | |
895 | return mthca_cmd(dev, 0, 0, 0, CMD_SYS_DIS, CMD_TIME_CLASS_C, status); | |
896 | } | |
897 | ||
898 | int mthca_QUERY_DDR(struct mthca_dev *dev, u8 *status) | |
899 | { | |
ed878458 | 900 | struct mthca_mailbox *mailbox; |
1da177e4 LT |
901 | u8 info; |
902 | u32 *outbox; | |
1da177e4 LT |
903 | int err = 0; |
904 | ||
905 | #define QUERY_DDR_OUT_SIZE 0x100 | |
906 | #define QUERY_DDR_START_OFFSET 0x00 | |
907 | #define QUERY_DDR_END_OFFSET 0x08 | |
908 | #define QUERY_DDR_INFO_OFFSET 0x13 | |
909 | ||
910 | #define QUERY_DDR_INFO_HIDDEN_FLAG (1 << 4) | |
911 | #define QUERY_DDR_INFO_ECC_MASK 0x3 | |
912 | ||
ed878458 RD |
913 | mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); |
914 | if (IS_ERR(mailbox)) | |
915 | return PTR_ERR(mailbox); | |
916 | outbox = mailbox->buf; | |
1da177e4 | 917 | |
ed878458 | 918 | err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_DDR, |
1da177e4 LT |
919 | CMD_TIME_CLASS_A, status); |
920 | ||
921 | if (err) | |
922 | goto out; | |
923 | ||
924 | MTHCA_GET(dev->ddr_start, outbox, QUERY_DDR_START_OFFSET); | |
925 | MTHCA_GET(dev->ddr_end, outbox, QUERY_DDR_END_OFFSET); | |
926 | MTHCA_GET(info, outbox, QUERY_DDR_INFO_OFFSET); | |
927 | ||
928 | if (!!(info & QUERY_DDR_INFO_HIDDEN_FLAG) != | |
929 | !!(dev->mthca_flags & MTHCA_FLAG_DDR_HIDDEN)) { | |
930 | mthca_info(dev, "FW reports that HCA-attached memory " | |
931 | "is %s hidden; does not match PCI config\n", | |
932 | (info & QUERY_DDR_INFO_HIDDEN_FLAG) ? | |
933 | "" : "not"); | |
934 | } | |
935 | if (info & QUERY_DDR_INFO_HIDDEN_FLAG) | |
936 | mthca_dbg(dev, "HCA-attached memory is hidden.\n"); | |
937 | ||
938 | mthca_dbg(dev, "HCA memory size %d KB (start %llx, end %llx)\n", | |
939 | (int) ((dev->ddr_end - dev->ddr_start) >> 10), | |
940 | (unsigned long long) dev->ddr_start, | |
941 | (unsigned long long) dev->ddr_end); | |
942 | ||
943 | out: | |
ed878458 | 944 | mthca_free_mailbox(dev, mailbox); |
1da177e4 LT |
945 | return err; |
946 | } | |
947 | ||
948 | int mthca_QUERY_DEV_LIM(struct mthca_dev *dev, | |
949 | struct mthca_dev_lim *dev_lim, u8 *status) | |
950 | { | |
ed878458 | 951 | struct mthca_mailbox *mailbox; |
1da177e4 | 952 | u32 *outbox; |
1da177e4 LT |
953 | u8 field; |
954 | u16 size; | |
bf6a9e31 | 955 | u16 stat_rate; |
1da177e4 LT |
956 | int err; |
957 | ||
958 | #define QUERY_DEV_LIM_OUT_SIZE 0x100 | |
959 | #define QUERY_DEV_LIM_MAX_SRQ_SZ_OFFSET 0x10 | |
960 | #define QUERY_DEV_LIM_MAX_QP_SZ_OFFSET 0x11 | |
961 | #define QUERY_DEV_LIM_RSVD_QP_OFFSET 0x12 | |
962 | #define QUERY_DEV_LIM_MAX_QP_OFFSET 0x13 | |
963 | #define QUERY_DEV_LIM_RSVD_SRQ_OFFSET 0x14 | |
964 | #define QUERY_DEV_LIM_MAX_SRQ_OFFSET 0x15 | |
965 | #define QUERY_DEV_LIM_RSVD_EEC_OFFSET 0x16 | |
966 | #define QUERY_DEV_LIM_MAX_EEC_OFFSET 0x17 | |
967 | #define QUERY_DEV_LIM_MAX_CQ_SZ_OFFSET 0x19 | |
968 | #define QUERY_DEV_LIM_RSVD_CQ_OFFSET 0x1a | |
969 | #define QUERY_DEV_LIM_MAX_CQ_OFFSET 0x1b | |
970 | #define QUERY_DEV_LIM_MAX_MPT_OFFSET 0x1d | |
971 | #define QUERY_DEV_LIM_RSVD_EQ_OFFSET 0x1e | |
972 | #define QUERY_DEV_LIM_MAX_EQ_OFFSET 0x1f | |
973 | #define QUERY_DEV_LIM_RSVD_MTT_OFFSET 0x20 | |
974 | #define QUERY_DEV_LIM_MAX_MRW_SZ_OFFSET 0x21 | |
975 | #define QUERY_DEV_LIM_RSVD_MRW_OFFSET 0x22 | |
976 | #define QUERY_DEV_LIM_MAX_MTT_SEG_OFFSET 0x23 | |
977 | #define QUERY_DEV_LIM_MAX_AV_OFFSET 0x27 | |
978 | #define QUERY_DEV_LIM_MAX_REQ_QP_OFFSET 0x29 | |
979 | #define QUERY_DEV_LIM_MAX_RES_QP_OFFSET 0x2b | |
980 | #define QUERY_DEV_LIM_MAX_RDMA_OFFSET 0x2f | |
981 | #define QUERY_DEV_LIM_RSZ_SRQ_OFFSET 0x33 | |
982 | #define QUERY_DEV_LIM_ACK_DELAY_OFFSET 0x35 | |
983 | #define QUERY_DEV_LIM_MTU_WIDTH_OFFSET 0x36 | |
984 | #define QUERY_DEV_LIM_VL_PORT_OFFSET 0x37 | |
985 | #define QUERY_DEV_LIM_MAX_GID_OFFSET 0x3b | |
bf6a9e31 | 986 | #define QUERY_DEV_LIM_RATE_SUPPORT_OFFSET 0x3c |
1da177e4 LT |
987 | #define QUERY_DEV_LIM_MAX_PKEY_OFFSET 0x3f |
988 | #define QUERY_DEV_LIM_FLAGS_OFFSET 0x44 | |
989 | #define QUERY_DEV_LIM_RSVD_UAR_OFFSET 0x48 | |
990 | #define QUERY_DEV_LIM_UAR_SZ_OFFSET 0x49 | |
991 | #define QUERY_DEV_LIM_PAGE_SZ_OFFSET 0x4b | |
992 | #define QUERY_DEV_LIM_MAX_SG_OFFSET 0x51 | |
993 | #define QUERY_DEV_LIM_MAX_DESC_SZ_OFFSET 0x52 | |
994 | #define QUERY_DEV_LIM_MAX_SG_RQ_OFFSET 0x55 | |
995 | #define QUERY_DEV_LIM_MAX_DESC_SZ_RQ_OFFSET 0x56 | |
996 | #define QUERY_DEV_LIM_MAX_QP_MCG_OFFSET 0x61 | |
997 | #define QUERY_DEV_LIM_RSVD_MCG_OFFSET 0x62 | |
998 | #define QUERY_DEV_LIM_MAX_MCG_OFFSET 0x63 | |
999 | #define QUERY_DEV_LIM_RSVD_PD_OFFSET 0x64 | |
1000 | #define QUERY_DEV_LIM_MAX_PD_OFFSET 0x65 | |
1001 | #define QUERY_DEV_LIM_RSVD_RDD_OFFSET 0x66 | |
1002 | #define QUERY_DEV_LIM_MAX_RDD_OFFSET 0x67 | |
1003 | #define QUERY_DEV_LIM_EEC_ENTRY_SZ_OFFSET 0x80 | |
1004 | #define QUERY_DEV_LIM_QPC_ENTRY_SZ_OFFSET 0x82 | |
1005 | #define QUERY_DEV_LIM_EEEC_ENTRY_SZ_OFFSET 0x84 | |
1006 | #define QUERY_DEV_LIM_EQPC_ENTRY_SZ_OFFSET 0x86 | |
1007 | #define QUERY_DEV_LIM_EQC_ENTRY_SZ_OFFSET 0x88 | |
1008 | #define QUERY_DEV_LIM_CQC_ENTRY_SZ_OFFSET 0x8a | |
1009 | #define QUERY_DEV_LIM_SRQ_ENTRY_SZ_OFFSET 0x8c | |
1010 | #define QUERY_DEV_LIM_UAR_ENTRY_SZ_OFFSET 0x8e | |
1011 | #define QUERY_DEV_LIM_MTT_ENTRY_SZ_OFFSET 0x90 | |
1012 | #define QUERY_DEV_LIM_MPT_ENTRY_SZ_OFFSET 0x92 | |
1013 | #define QUERY_DEV_LIM_PBL_SZ_OFFSET 0x96 | |
1014 | #define QUERY_DEV_LIM_BMME_FLAGS_OFFSET 0x97 | |
1015 | #define QUERY_DEV_LIM_RSVD_LKEY_OFFSET 0x98 | |
1016 | #define QUERY_DEV_LIM_LAMR_OFFSET 0x9f | |
1017 | #define QUERY_DEV_LIM_MAX_ICM_SZ_OFFSET 0xa0 | |
1018 | ||
ed878458 RD |
1019 | mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); |
1020 | if (IS_ERR(mailbox)) | |
1021 | return PTR_ERR(mailbox); | |
1022 | outbox = mailbox->buf; | |
1da177e4 | 1023 | |
ed878458 | 1024 | err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_DEV_LIM, |
1da177e4 LT |
1025 | CMD_TIME_CLASS_A, status); |
1026 | ||
1027 | if (err) | |
1028 | goto out; | |
1029 | ||
1da177e4 LT |
1030 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_QP_OFFSET); |
1031 | dev_lim->reserved_qps = 1 << (field & 0xf); | |
1032 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_QP_OFFSET); | |
1033 | dev_lim->max_qps = 1 << (field & 0x1f); | |
1034 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_SRQ_OFFSET); | |
1035 | dev_lim->reserved_srqs = 1 << (field >> 4); | |
1036 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SRQ_OFFSET); | |
1037 | dev_lim->max_srqs = 1 << (field & 0x1f); | |
1038 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_EEC_OFFSET); | |
1039 | dev_lim->reserved_eecs = 1 << (field & 0xf); | |
1040 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_EEC_OFFSET); | |
1041 | dev_lim->max_eecs = 1 << (field & 0x1f); | |
1042 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_CQ_SZ_OFFSET); | |
1043 | dev_lim->max_cq_sz = 1 << field; | |
1044 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_CQ_OFFSET); | |
1045 | dev_lim->reserved_cqs = 1 << (field & 0xf); | |
1046 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_CQ_OFFSET); | |
1047 | dev_lim->max_cqs = 1 << (field & 0x1f); | |
1048 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MPT_OFFSET); | |
1049 | dev_lim->max_mpts = 1 << (field & 0x3f); | |
1050 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_EQ_OFFSET); | |
1051 | dev_lim->reserved_eqs = 1 << (field & 0xf); | |
1052 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_EQ_OFFSET); | |
1053 | dev_lim->max_eqs = 1 << (field & 0x7); | |
1054 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_MTT_OFFSET); | |
c7d204e8 MT |
1055 | if (mthca_is_memfree(dev)) |
1056 | dev_lim->reserved_mtts = ALIGN((1 << (field >> 4)) * sizeof(u64), | |
1057 | MTHCA_MTT_SEG_SIZE) / MTHCA_MTT_SEG_SIZE; | |
1058 | else | |
1059 | dev_lim->reserved_mtts = 1 << (field >> 4); | |
1da177e4 LT |
1060 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MRW_SZ_OFFSET); |
1061 | dev_lim->max_mrw_sz = 1 << field; | |
1062 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_MRW_OFFSET); | |
1063 | dev_lim->reserved_mrws = 1 << (field & 0xf); | |
1064 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MTT_SEG_OFFSET); | |
1065 | dev_lim->max_mtt_seg = 1 << (field & 0x3f); | |
1066 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_REQ_QP_OFFSET); | |
1067 | dev_lim->max_requester_per_qp = 1 << (field & 0x3f); | |
1068 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_RES_QP_OFFSET); | |
1069 | dev_lim->max_responder_per_qp = 1 << (field & 0x3f); | |
1070 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_RDMA_OFFSET); | |
1071 | dev_lim->max_rdma_global = 1 << (field & 0x3f); | |
1072 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_ACK_DELAY_OFFSET); | |
1073 | dev_lim->local_ca_ack_delay = field & 0x1f; | |
1074 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MTU_WIDTH_OFFSET); | |
1075 | dev_lim->max_mtu = field >> 4; | |
1076 | dev_lim->max_port_width = field & 0xf; | |
1077 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_VL_PORT_OFFSET); | |
1078 | dev_lim->max_vl = field >> 4; | |
1079 | dev_lim->num_ports = field & 0xf; | |
1080 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_GID_OFFSET); | |
1081 | dev_lim->max_gids = 1 << (field & 0xf); | |
bf6a9e31 JM |
1082 | MTHCA_GET(stat_rate, outbox, QUERY_DEV_LIM_RATE_SUPPORT_OFFSET); |
1083 | dev_lim->stat_rate_support = stat_rate; | |
1da177e4 LT |
1084 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_PKEY_OFFSET); |
1085 | dev_lim->max_pkeys = 1 << (field & 0xf); | |
1086 | MTHCA_GET(dev_lim->flags, outbox, QUERY_DEV_LIM_FLAGS_OFFSET); | |
1087 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_UAR_OFFSET); | |
1088 | dev_lim->reserved_uars = field >> 4; | |
1089 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_UAR_SZ_OFFSET); | |
1090 | dev_lim->uar_size = 1 << ((field & 0x3f) + 20); | |
1091 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_PAGE_SZ_OFFSET); | |
1092 | dev_lim->min_page_sz = 1 << field; | |
1093 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SG_OFFSET); | |
1094 | dev_lim->max_sg = field; | |
1095 | ||
1096 | MTHCA_GET(size, outbox, QUERY_DEV_LIM_MAX_DESC_SZ_OFFSET); | |
1097 | dev_lim->max_desc_sz = size; | |
1098 | ||
1099 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_QP_MCG_OFFSET); | |
1100 | dev_lim->max_qp_per_mcg = 1 << field; | |
1101 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_MCG_OFFSET); | |
1102 | dev_lim->reserved_mgms = field & 0xf; | |
1103 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MCG_OFFSET); | |
1104 | dev_lim->max_mcgs = 1 << field; | |
1105 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_PD_OFFSET); | |
1106 | dev_lim->reserved_pds = field >> 4; | |
1107 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_PD_OFFSET); | |
1108 | dev_lim->max_pds = 1 << (field & 0x3f); | |
1109 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_RDD_OFFSET); | |
1110 | dev_lim->reserved_rdds = field >> 4; | |
1111 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_RDD_OFFSET); | |
1112 | dev_lim->max_rdds = 1 << (field & 0x3f); | |
1113 | ||
1114 | MTHCA_GET(size, outbox, QUERY_DEV_LIM_EEC_ENTRY_SZ_OFFSET); | |
1115 | dev_lim->eec_entry_sz = size; | |
1116 | MTHCA_GET(size, outbox, QUERY_DEV_LIM_QPC_ENTRY_SZ_OFFSET); | |
1117 | dev_lim->qpc_entry_sz = size; | |
1118 | MTHCA_GET(size, outbox, QUERY_DEV_LIM_EEEC_ENTRY_SZ_OFFSET); | |
1119 | dev_lim->eeec_entry_sz = size; | |
1120 | MTHCA_GET(size, outbox, QUERY_DEV_LIM_EQPC_ENTRY_SZ_OFFSET); | |
1121 | dev_lim->eqpc_entry_sz = size; | |
1122 | MTHCA_GET(size, outbox, QUERY_DEV_LIM_EQC_ENTRY_SZ_OFFSET); | |
1123 | dev_lim->eqc_entry_sz = size; | |
1124 | MTHCA_GET(size, outbox, QUERY_DEV_LIM_CQC_ENTRY_SZ_OFFSET); | |
1125 | dev_lim->cqc_entry_sz = size; | |
1126 | MTHCA_GET(size, outbox, QUERY_DEV_LIM_SRQ_ENTRY_SZ_OFFSET); | |
1127 | dev_lim->srq_entry_sz = size; | |
1128 | MTHCA_GET(size, outbox, QUERY_DEV_LIM_UAR_ENTRY_SZ_OFFSET); | |
1129 | dev_lim->uar_scratch_entry_sz = size; | |
1130 | ||
d10ddbf6 | 1131 | if (mthca_is_memfree(dev)) { |
a3c8ab4f JM |
1132 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SRQ_SZ_OFFSET); |
1133 | dev_lim->max_srq_sz = 1 << field; | |
1134 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_QP_SZ_OFFSET); | |
1135 | dev_lim->max_qp_sz = 1 << field; | |
1da177e4 LT |
1136 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSZ_SRQ_OFFSET); |
1137 | dev_lim->hca.arbel.resize_srq = field & 1; | |
8cf2daf3 RD |
1138 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SG_RQ_OFFSET); |
1139 | dev_lim->max_sg = min_t(int, field, dev_lim->max_sg); | |
77369ed3 JM |
1140 | MTHCA_GET(size, outbox, QUERY_DEV_LIM_MAX_DESC_SZ_RQ_OFFSET); |
1141 | dev_lim->max_desc_sz = min_t(int, size, dev_lim->max_desc_sz); | |
1da177e4 LT |
1142 | MTHCA_GET(size, outbox, QUERY_DEV_LIM_MPT_ENTRY_SZ_OFFSET); |
1143 | dev_lim->mpt_entry_sz = size; | |
1144 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_PBL_SZ_OFFSET); | |
1145 | dev_lim->hca.arbel.max_pbl_sz = 1 << (field & 0x3f); | |
1146 | MTHCA_GET(dev_lim->hca.arbel.bmme_flags, outbox, | |
1147 | QUERY_DEV_LIM_BMME_FLAGS_OFFSET); | |
1148 | MTHCA_GET(dev_lim->hca.arbel.reserved_lkey, outbox, | |
1149 | QUERY_DEV_LIM_RSVD_LKEY_OFFSET); | |
1150 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_LAMR_OFFSET); | |
1151 | dev_lim->hca.arbel.lam_required = field & 1; | |
1152 | MTHCA_GET(dev_lim->hca.arbel.max_icm_sz, outbox, | |
1153 | QUERY_DEV_LIM_MAX_ICM_SZ_OFFSET); | |
1154 | ||
1155 | if (dev_lim->hca.arbel.bmme_flags & 1) | |
1156 | mthca_dbg(dev, "Base MM extensions: yes " | |
1157 | "(flags %d, max PBL %d, rsvd L_Key %08x)\n", | |
1158 | dev_lim->hca.arbel.bmme_flags, | |
1159 | dev_lim->hca.arbel.max_pbl_sz, | |
1160 | dev_lim->hca.arbel.reserved_lkey); | |
1161 | else | |
1162 | mthca_dbg(dev, "Base MM extensions: no\n"); | |
1163 | ||
1164 | mthca_dbg(dev, "Max ICM size %lld MB\n", | |
1165 | (unsigned long long) dev_lim->hca.arbel.max_icm_sz >> 20); | |
1166 | } else { | |
a3c8ab4f JM |
1167 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SRQ_SZ_OFFSET); |
1168 | dev_lim->max_srq_sz = (1 << field) - 1; | |
1169 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_QP_SZ_OFFSET); | |
1170 | dev_lim->max_qp_sz = (1 << field) - 1; | |
1da177e4 LT |
1171 | MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_AV_OFFSET); |
1172 | dev_lim->hca.tavor.max_avs = 1 << (field & 0x3f); | |
1da177e4 LT |
1173 | dev_lim->mpt_entry_sz = MTHCA_MPT_ENTRY_SIZE; |
1174 | } | |
1175 | ||
f295c79b RD |
1176 | mthca_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n", |
1177 | dev_lim->max_qps, dev_lim->reserved_qps, dev_lim->qpc_entry_sz); | |
1178 | mthca_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n", | |
1179 | dev_lim->max_srqs, dev_lim->reserved_srqs, dev_lim->srq_entry_sz); | |
1180 | mthca_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n", | |
1181 | dev_lim->max_cqs, dev_lim->reserved_cqs, dev_lim->cqc_entry_sz); | |
1182 | mthca_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n", | |
1183 | dev_lim->max_eqs, dev_lim->reserved_eqs, dev_lim->eqc_entry_sz); | |
1184 | mthca_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n", | |
1185 | dev_lim->reserved_mrws, dev_lim->reserved_mtts); | |
1186 | mthca_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n", | |
1187 | dev_lim->max_pds, dev_lim->reserved_pds, dev_lim->reserved_uars); | |
1188 | mthca_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n", | |
1189 | dev_lim->max_pds, dev_lim->reserved_mgms); | |
1190 | mthca_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n", | |
1191 | dev_lim->max_cq_sz, dev_lim->max_qp_sz, dev_lim->max_srq_sz); | |
1192 | ||
1193 | mthca_dbg(dev, "Flags: %08x\n", dev_lim->flags); | |
1194 | ||
1da177e4 | 1195 | out: |
ed878458 | 1196 | mthca_free_mailbox(dev, mailbox); |
1da177e4 LT |
1197 | return err; |
1198 | } | |
1199 | ||
2e8b981c MT |
1200 | static void get_board_id(void *vsd, char *board_id) |
1201 | { | |
1202 | int i; | |
1203 | ||
1204 | #define VSD_OFFSET_SIG1 0x00 | |
1205 | #define VSD_OFFSET_SIG2 0xde | |
1206 | #define VSD_OFFSET_MLX_BOARD_ID 0xd0 | |
1207 | #define VSD_OFFSET_TS_BOARD_ID 0x20 | |
1208 | ||
1209 | #define VSD_SIGNATURE_TOPSPIN 0x5ad | |
1210 | ||
1211 | memset(board_id, 0, MTHCA_BOARD_ID_LEN); | |
1212 | ||
1213 | if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN && | |
1214 | be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) { | |
1215 | strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MTHCA_BOARD_ID_LEN); | |
1216 | } else { | |
1217 | /* | |
1218 | * The board ID is a string but the firmware byte | |
1219 | * swaps each 4-byte word before passing it back to | |
1220 | * us. Therefore we need to swab it before printing. | |
1221 | */ | |
1222 | for (i = 0; i < 4; ++i) | |
1223 | ((u32 *) board_id)[i] = | |
1224 | swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4)); | |
1225 | } | |
1226 | } | |
1227 | ||
1da177e4 LT |
1228 | int mthca_QUERY_ADAPTER(struct mthca_dev *dev, |
1229 | struct mthca_adapter *adapter, u8 *status) | |
1230 | { | |
ed878458 | 1231 | struct mthca_mailbox *mailbox; |
1da177e4 | 1232 | u32 *outbox; |
1da177e4 LT |
1233 | int err; |
1234 | ||
1235 | #define QUERY_ADAPTER_OUT_SIZE 0x100 | |
1236 | #define QUERY_ADAPTER_VENDOR_ID_OFFSET 0x00 | |
1237 | #define QUERY_ADAPTER_DEVICE_ID_OFFSET 0x04 | |
1238 | #define QUERY_ADAPTER_REVISION_ID_OFFSET 0x08 | |
1239 | #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10 | |
2e8b981c | 1240 | #define QUERY_ADAPTER_VSD_OFFSET 0x20 |
1da177e4 | 1241 | |
ed878458 RD |
1242 | mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); |
1243 | if (IS_ERR(mailbox)) | |
1244 | return PTR_ERR(mailbox); | |
1245 | outbox = mailbox->buf; | |
1da177e4 | 1246 | |
ed878458 | 1247 | err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_ADAPTER, |
1da177e4 LT |
1248 | CMD_TIME_CLASS_A, status); |
1249 | ||
1250 | if (err) | |
1251 | goto out; | |
1252 | ||
ed878458 RD |
1253 | MTHCA_GET(adapter->vendor_id, outbox, QUERY_ADAPTER_VENDOR_ID_OFFSET); |
1254 | MTHCA_GET(adapter->device_id, outbox, QUERY_ADAPTER_DEVICE_ID_OFFSET); | |
1da177e4 | 1255 | MTHCA_GET(adapter->revision_id, outbox, QUERY_ADAPTER_REVISION_ID_OFFSET); |
ed878458 | 1256 | MTHCA_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET); |
1da177e4 | 1257 | |
2e8b981c MT |
1258 | get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4, |
1259 | adapter->board_id); | |
1260 | ||
1da177e4 | 1261 | out: |
ed878458 | 1262 | mthca_free_mailbox(dev, mailbox); |
1da177e4 LT |
1263 | return err; |
1264 | } | |
1265 | ||
1266 | int mthca_INIT_HCA(struct mthca_dev *dev, | |
1267 | struct mthca_init_hca_param *param, | |
1268 | u8 *status) | |
1269 | { | |
ed878458 | 1270 | struct mthca_mailbox *mailbox; |
97f52eb4 | 1271 | __be32 *inbox; |
1da177e4 LT |
1272 | int err; |
1273 | ||
1274 | #define INIT_HCA_IN_SIZE 0x200 | |
651eaac9 EC |
1275 | #define INIT_HCA_FLAGS1_OFFSET 0x00c |
1276 | #define INIT_HCA_FLAGS2_OFFSET 0x014 | |
1da177e4 LT |
1277 | #define INIT_HCA_QPC_OFFSET 0x020 |
1278 | #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10) | |
1279 | #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17) | |
1280 | #define INIT_HCA_EEC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x20) | |
1281 | #define INIT_HCA_LOG_EEC_OFFSET (INIT_HCA_QPC_OFFSET + 0x27) | |
1282 | #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28) | |
1283 | #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f) | |
1284 | #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30) | |
1285 | #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37) | |
1286 | #define INIT_HCA_EQPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40) | |
1287 | #define INIT_HCA_EEEC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50) | |
1288 | #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60) | |
1289 | #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67) | |
1290 | #define INIT_HCA_RDB_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70) | |
1291 | #define INIT_HCA_UDAV_OFFSET 0x0b0 | |
1292 | #define INIT_HCA_UDAV_LKEY_OFFSET (INIT_HCA_UDAV_OFFSET + 0x0) | |
1293 | #define INIT_HCA_UDAV_PD_OFFSET (INIT_HCA_UDAV_OFFSET + 0x4) | |
1294 | #define INIT_HCA_MCAST_OFFSET 0x0c0 | |
1295 | #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00) | |
1296 | #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12) | |
1297 | #define INIT_HCA_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16) | |
1298 | #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b) | |
1299 | #define INIT_HCA_TPT_OFFSET 0x0f0 | |
1300 | #define INIT_HCA_MPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00) | |
1301 | #define INIT_HCA_MTT_SEG_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x09) | |
1302 | #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b) | |
1303 | #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10) | |
1304 | #define INIT_HCA_UAR_OFFSET 0x120 | |
1305 | #define INIT_HCA_UAR_BASE_OFFSET (INIT_HCA_UAR_OFFSET + 0x00) | |
1306 | #define INIT_HCA_UARC_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x09) | |
1307 | #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a) | |
1308 | #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b) | |
1309 | #define INIT_HCA_UAR_SCATCH_BASE_OFFSET (INIT_HCA_UAR_OFFSET + 0x10) | |
1310 | #define INIT_HCA_UAR_CTX_BASE_OFFSET (INIT_HCA_UAR_OFFSET + 0x18) | |
1311 | ||
ed878458 RD |
1312 | mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); |
1313 | if (IS_ERR(mailbox)) | |
1314 | return PTR_ERR(mailbox); | |
1315 | inbox = mailbox->buf; | |
1da177e4 LT |
1316 | |
1317 | memset(inbox, 0, INIT_HCA_IN_SIZE); | |
1318 | ||
651eaac9 EC |
1319 | if (dev->mthca_flags & MTHCA_FLAG_SINAI_OPT) |
1320 | MTHCA_PUT(inbox, 0x1, INIT_HCA_FLAGS1_OFFSET); | |
1321 | ||
1da177e4 | 1322 | #if defined(__LITTLE_ENDIAN) |
651eaac9 | 1323 | *(inbox + INIT_HCA_FLAGS2_OFFSET / 4) &= ~cpu_to_be32(1 << 1); |
1da177e4 | 1324 | #elif defined(__BIG_ENDIAN) |
651eaac9 | 1325 | *(inbox + INIT_HCA_FLAGS2_OFFSET / 4) |= cpu_to_be32(1 << 1); |
1da177e4 LT |
1326 | #else |
1327 | #error Host endianness not defined | |
1328 | #endif | |
1329 | /* Check port for UD address vector: */ | |
651eaac9 | 1330 | *(inbox + INIT_HCA_FLAGS2_OFFSET / 4) |= cpu_to_be32(1); |
1da177e4 LT |
1331 | |
1332 | /* We leave wqe_quota, responder_exu, etc as 0 (default) */ | |
1333 | ||
1334 | /* QPC/EEC/CQC/EQC/RDB attributes */ | |
1335 | ||
1336 | MTHCA_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET); | |
1337 | MTHCA_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET); | |
1338 | MTHCA_PUT(inbox, param->eec_base, INIT_HCA_EEC_BASE_OFFSET); | |
1339 | MTHCA_PUT(inbox, param->log_num_eecs, INIT_HCA_LOG_EEC_OFFSET); | |
1340 | MTHCA_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET); | |
1341 | MTHCA_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET); | |
1342 | MTHCA_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET); | |
1343 | MTHCA_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET); | |
1344 | MTHCA_PUT(inbox, param->eqpc_base, INIT_HCA_EQPC_BASE_OFFSET); | |
1345 | MTHCA_PUT(inbox, param->eeec_base, INIT_HCA_EEEC_BASE_OFFSET); | |
1346 | MTHCA_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET); | |
1347 | MTHCA_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET); | |
1348 | MTHCA_PUT(inbox, param->rdb_base, INIT_HCA_RDB_BASE_OFFSET); | |
1349 | ||
1350 | /* UD AV attributes */ | |
1351 | ||
1352 | /* multicast attributes */ | |
1353 | ||
1354 | MTHCA_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET); | |
1355 | MTHCA_PUT(inbox, param->log_mc_entry_sz, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); | |
1356 | MTHCA_PUT(inbox, param->mc_hash_sz, INIT_HCA_MC_HASH_SZ_OFFSET); | |
1357 | MTHCA_PUT(inbox, param->log_mc_table_sz, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); | |
1358 | ||
1359 | /* TPT attributes */ | |
1360 | ||
1361 | MTHCA_PUT(inbox, param->mpt_base, INIT_HCA_MPT_BASE_OFFSET); | |
d10ddbf6 | 1362 | if (!mthca_is_memfree(dev)) |
1da177e4 LT |
1363 | MTHCA_PUT(inbox, param->mtt_seg_sz, INIT_HCA_MTT_SEG_SZ_OFFSET); |
1364 | MTHCA_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET); | |
1365 | MTHCA_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET); | |
1366 | ||
1367 | /* UAR attributes */ | |
1368 | { | |
1369 | u8 uar_page_sz = PAGE_SHIFT - 12; | |
1370 | MTHCA_PUT(inbox, uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET); | |
1371 | } | |
1372 | ||
1373 | MTHCA_PUT(inbox, param->uar_scratch_base, INIT_HCA_UAR_SCATCH_BASE_OFFSET); | |
1374 | ||
d10ddbf6 | 1375 | if (mthca_is_memfree(dev)) { |
1da177e4 LT |
1376 | MTHCA_PUT(inbox, param->log_uarc_sz, INIT_HCA_UARC_SZ_OFFSET); |
1377 | MTHCA_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET); | |
1378 | MTHCA_PUT(inbox, param->uarc_base, INIT_HCA_UAR_CTX_BASE_OFFSET); | |
1379 | } | |
1380 | ||
ed878458 | 1381 | err = mthca_cmd(dev, mailbox->dma, 0, 0, CMD_INIT_HCA, HZ, status); |
1da177e4 | 1382 | |
ed878458 | 1383 | mthca_free_mailbox(dev, mailbox); |
1da177e4 LT |
1384 | return err; |
1385 | } | |
1386 | ||
1387 | int mthca_INIT_IB(struct mthca_dev *dev, | |
1388 | struct mthca_init_ib_param *param, | |
1389 | int port, u8 *status) | |
1390 | { | |
ed878458 | 1391 | struct mthca_mailbox *mailbox; |
1da177e4 | 1392 | u32 *inbox; |
1da177e4 LT |
1393 | int err; |
1394 | u32 flags; | |
1395 | ||
1396 | #define INIT_IB_IN_SIZE 56 | |
1397 | #define INIT_IB_FLAGS_OFFSET 0x00 | |
1398 | #define INIT_IB_FLAG_SIG (1 << 18) | |
1399 | #define INIT_IB_FLAG_NG (1 << 17) | |
1400 | #define INIT_IB_FLAG_G0 (1 << 16) | |
1da177e4 | 1401 | #define INIT_IB_VL_SHIFT 4 |
da6561c2 | 1402 | #define INIT_IB_PORT_WIDTH_SHIFT 8 |
1da177e4 LT |
1403 | #define INIT_IB_MTU_SHIFT 12 |
1404 | #define INIT_IB_MAX_GID_OFFSET 0x06 | |
1405 | #define INIT_IB_MAX_PKEY_OFFSET 0x0a | |
1406 | #define INIT_IB_GUID0_OFFSET 0x10 | |
1407 | #define INIT_IB_NODE_GUID_OFFSET 0x18 | |
1408 | #define INIT_IB_SI_GUID_OFFSET 0x20 | |
1409 | ||
ed878458 RD |
1410 | mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); |
1411 | if (IS_ERR(mailbox)) | |
1412 | return PTR_ERR(mailbox); | |
1413 | inbox = mailbox->buf; | |
1da177e4 LT |
1414 | |
1415 | memset(inbox, 0, INIT_IB_IN_SIZE); | |
1416 | ||
1417 | flags = 0; | |
1da177e4 LT |
1418 | flags |= param->set_guid0 ? INIT_IB_FLAG_G0 : 0; |
1419 | flags |= param->set_node_guid ? INIT_IB_FLAG_NG : 0; | |
1420 | flags |= param->set_si_guid ? INIT_IB_FLAG_SIG : 0; | |
1421 | flags |= param->vl_cap << INIT_IB_VL_SHIFT; | |
da6561c2 | 1422 | flags |= param->port_width << INIT_IB_PORT_WIDTH_SHIFT; |
1da177e4 LT |
1423 | flags |= param->mtu_cap << INIT_IB_MTU_SHIFT; |
1424 | MTHCA_PUT(inbox, flags, INIT_IB_FLAGS_OFFSET); | |
1425 | ||
1426 | MTHCA_PUT(inbox, param->gid_cap, INIT_IB_MAX_GID_OFFSET); | |
1427 | MTHCA_PUT(inbox, param->pkey_cap, INIT_IB_MAX_PKEY_OFFSET); | |
1428 | MTHCA_PUT(inbox, param->guid0, INIT_IB_GUID0_OFFSET); | |
1429 | MTHCA_PUT(inbox, param->node_guid, INIT_IB_NODE_GUID_OFFSET); | |
1430 | MTHCA_PUT(inbox, param->si_guid, INIT_IB_SI_GUID_OFFSET); | |
1431 | ||
ed878458 | 1432 | err = mthca_cmd(dev, mailbox->dma, port, 0, CMD_INIT_IB, |
1da177e4 LT |
1433 | CMD_TIME_CLASS_A, status); |
1434 | ||
ed878458 | 1435 | mthca_free_mailbox(dev, mailbox); |
1da177e4 LT |
1436 | return err; |
1437 | } | |
1438 | ||
1439 | int mthca_CLOSE_IB(struct mthca_dev *dev, int port, u8 *status) | |
1440 | { | |
1441 | return mthca_cmd(dev, 0, port, 0, CMD_CLOSE_IB, HZ, status); | |
1442 | } | |
1443 | ||
1444 | int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic, u8 *status) | |
1445 | { | |
1446 | return mthca_cmd(dev, 0, 0, panic, CMD_CLOSE_HCA, HZ, status); | |
1447 | } | |
1448 | ||
1449 | int mthca_SET_IB(struct mthca_dev *dev, struct mthca_set_ib_param *param, | |
1450 | int port, u8 *status) | |
1451 | { | |
ed878458 | 1452 | struct mthca_mailbox *mailbox; |
1da177e4 | 1453 | u32 *inbox; |
1da177e4 LT |
1454 | int err; |
1455 | u32 flags = 0; | |
1456 | ||
1457 | #define SET_IB_IN_SIZE 0x40 | |
1458 | #define SET_IB_FLAGS_OFFSET 0x00 | |
1459 | #define SET_IB_FLAG_SIG (1 << 18) | |
1460 | #define SET_IB_FLAG_RQK (1 << 0) | |
1461 | #define SET_IB_CAP_MASK_OFFSET 0x04 | |
1462 | #define SET_IB_SI_GUID_OFFSET 0x08 | |
1463 | ||
ed878458 RD |
1464 | mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); |
1465 | if (IS_ERR(mailbox)) | |
1466 | return PTR_ERR(mailbox); | |
1467 | inbox = mailbox->buf; | |
1da177e4 LT |
1468 | |
1469 | memset(inbox, 0, SET_IB_IN_SIZE); | |
1470 | ||
1471 | flags |= param->set_si_guid ? SET_IB_FLAG_SIG : 0; | |
1472 | flags |= param->reset_qkey_viol ? SET_IB_FLAG_RQK : 0; | |
1473 | MTHCA_PUT(inbox, flags, SET_IB_FLAGS_OFFSET); | |
1474 | ||
1475 | MTHCA_PUT(inbox, param->cap_mask, SET_IB_CAP_MASK_OFFSET); | |
1476 | MTHCA_PUT(inbox, param->si_guid, SET_IB_SI_GUID_OFFSET); | |
1477 | ||
ed878458 | 1478 | err = mthca_cmd(dev, mailbox->dma, port, 0, CMD_SET_IB, |
1da177e4 LT |
1479 | CMD_TIME_CLASS_B, status); |
1480 | ||
ed878458 | 1481 | mthca_free_mailbox(dev, mailbox); |
1da177e4 LT |
1482 | return err; |
1483 | } | |
1484 | ||
1485 | int mthca_MAP_ICM(struct mthca_dev *dev, struct mthca_icm *icm, u64 virt, u8 *status) | |
1486 | { | |
1487 | return mthca_map_cmd(dev, CMD_MAP_ICM, icm, virt, status); | |
1488 | } | |
1489 | ||
1490 | int mthca_MAP_ICM_page(struct mthca_dev *dev, u64 dma_addr, u64 virt, u8 *status) | |
1491 | { | |
ed878458 | 1492 | struct mthca_mailbox *mailbox; |
97f52eb4 | 1493 | __be64 *inbox; |
1da177e4 LT |
1494 | int err; |
1495 | ||
ed878458 RD |
1496 | mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); |
1497 | if (IS_ERR(mailbox)) | |
1498 | return PTR_ERR(mailbox); | |
1499 | inbox = mailbox->buf; | |
1da177e4 LT |
1500 | |
1501 | inbox[0] = cpu_to_be64(virt); | |
1502 | inbox[1] = cpu_to_be64(dma_addr); | |
1503 | ||
ed878458 RD |
1504 | err = mthca_cmd(dev, mailbox->dma, 1, 0, CMD_MAP_ICM, |
1505 | CMD_TIME_CLASS_B, status); | |
1da177e4 | 1506 | |
ed878458 | 1507 | mthca_free_mailbox(dev, mailbox); |
1da177e4 LT |
1508 | |
1509 | if (!err) | |
6bd6228e RD |
1510 | mthca_dbg(dev, "Mapped page at %llx to %llx for ICM.\n", |
1511 | (unsigned long long) dma_addr, (unsigned long long) virt); | |
1da177e4 LT |
1512 | |
1513 | return err; | |
1514 | } | |
1515 | ||
1516 | int mthca_UNMAP_ICM(struct mthca_dev *dev, u64 virt, u32 page_count, u8 *status) | |
1517 | { | |
1518 | mthca_dbg(dev, "Unmapping %d pages at %llx from ICM.\n", | |
1519 | page_count, (unsigned long long) virt); | |
1520 | ||
1521 | return mthca_cmd(dev, virt, page_count, 0, CMD_UNMAP_ICM, CMD_TIME_CLASS_B, status); | |
1522 | } | |
1523 | ||
1524 | int mthca_MAP_ICM_AUX(struct mthca_dev *dev, struct mthca_icm *icm, u8 *status) | |
1525 | { | |
1526 | return mthca_map_cmd(dev, CMD_MAP_ICM_AUX, icm, -1, status); | |
1527 | } | |
1528 | ||
1529 | int mthca_UNMAP_ICM_AUX(struct mthca_dev *dev, u8 *status) | |
1530 | { | |
1531 | return mthca_cmd(dev, 0, 0, 0, CMD_UNMAP_ICM_AUX, CMD_TIME_CLASS_B, status); | |
1532 | } | |
1533 | ||
1534 | int mthca_SET_ICM_SIZE(struct mthca_dev *dev, u64 icm_size, u64 *aux_pages, | |
1535 | u8 *status) | |
1536 | { | |
1537 | int ret = mthca_cmd_imm(dev, icm_size, aux_pages, 0, 0, CMD_SET_ICM_SIZE, | |
1538 | CMD_TIME_CLASS_A, status); | |
1539 | ||
1540 | if (ret || status) | |
1541 | return ret; | |
1542 | ||
1543 | /* | |
8d3ef29d IR |
1544 | * Round up number of system pages needed in case |
1545 | * MTHCA_ICM_PAGE_SIZE < PAGE_SIZE. | |
1da177e4 | 1546 | */ |
8d3ef29d IR |
1547 | *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MTHCA_ICM_PAGE_SIZE) >> |
1548 | (PAGE_SHIFT - MTHCA_ICM_PAGE_SHIFT); | |
1da177e4 LT |
1549 | |
1550 | return 0; | |
1551 | } | |
1552 | ||
ed878458 | 1553 | int mthca_SW2HW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, |
1da177e4 LT |
1554 | int mpt_index, u8 *status) |
1555 | { | |
ed878458 RD |
1556 | return mthca_cmd(dev, mailbox->dma, mpt_index, 0, CMD_SW2HW_MPT, |
1557 | CMD_TIME_CLASS_B, status); | |
1da177e4 LT |
1558 | } |
1559 | ||
ed878458 | 1560 | int mthca_HW2SW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, |
1da177e4 LT |
1561 | int mpt_index, u8 *status) |
1562 | { | |
ed878458 RD |
1563 | return mthca_cmd_box(dev, 0, mailbox ? mailbox->dma : 0, mpt_index, |
1564 | !mailbox, CMD_HW2SW_MPT, | |
1565 | CMD_TIME_CLASS_B, status); | |
1da177e4 LT |
1566 | } |
1567 | ||
ed878458 | 1568 | int mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, |
1da177e4 LT |
1569 | int num_mtt, u8 *status) |
1570 | { | |
ed878458 RD |
1571 | return mthca_cmd(dev, mailbox->dma, num_mtt, 0, CMD_WRITE_MTT, |
1572 | CMD_TIME_CLASS_B, status); | |
1da177e4 LT |
1573 | } |
1574 | ||
b8ca06f6 MT |
1575 | int mthca_SYNC_TPT(struct mthca_dev *dev, u8 *status) |
1576 | { | |
1577 | return mthca_cmd(dev, 0, 0, 0, CMD_SYNC_TPT, CMD_TIME_CLASS_B, status); | |
1578 | } | |
1579 | ||
1da177e4 LT |
1580 | int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap, |
1581 | int eq_num, u8 *status) | |
1582 | { | |
1583 | mthca_dbg(dev, "%s mask %016llx for eqn %d\n", | |
1584 | unmap ? "Clearing" : "Setting", | |
1585 | (unsigned long long) event_mask, eq_num); | |
1586 | return mthca_cmd(dev, event_mask, (unmap << 31) | eq_num, | |
1587 | 0, CMD_MAP_EQ, CMD_TIME_CLASS_B, status); | |
1588 | } | |
1589 | ||
ed878458 | 1590 | int mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, |
1da177e4 LT |
1591 | int eq_num, u8 *status) |
1592 | { | |
ed878458 RD |
1593 | return mthca_cmd(dev, mailbox->dma, eq_num, 0, CMD_SW2HW_EQ, |
1594 | CMD_TIME_CLASS_A, status); | |
1da177e4 LT |
1595 | } |
1596 | ||
ed878458 | 1597 | int mthca_HW2SW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, |
1da177e4 LT |
1598 | int eq_num, u8 *status) |
1599 | { | |
ed878458 RD |
1600 | return mthca_cmd_box(dev, 0, mailbox->dma, eq_num, 0, |
1601 | CMD_HW2SW_EQ, | |
1602 | CMD_TIME_CLASS_A, status); | |
1da177e4 LT |
1603 | } |
1604 | ||
ed878458 | 1605 | int mthca_SW2HW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, |
1da177e4 LT |
1606 | int cq_num, u8 *status) |
1607 | { | |
ed878458 | 1608 | return mthca_cmd(dev, mailbox->dma, cq_num, 0, CMD_SW2HW_CQ, |
1da177e4 | 1609 | CMD_TIME_CLASS_A, status); |
1da177e4 LT |
1610 | } |
1611 | ||
ed878458 | 1612 | int mthca_HW2SW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, |
1da177e4 LT |
1613 | int cq_num, u8 *status) |
1614 | { | |
ed878458 RD |
1615 | return mthca_cmd_box(dev, 0, mailbox->dma, cq_num, 0, |
1616 | CMD_HW2SW_CQ, | |
1617 | CMD_TIME_CLASS_A, status); | |
1da177e4 LT |
1618 | } |
1619 | ||
4885bf64 RD |
1620 | int mthca_RESIZE_CQ(struct mthca_dev *dev, int cq_num, u32 lkey, u8 log_size, |
1621 | u8 *status) | |
1622 | { | |
1623 | struct mthca_mailbox *mailbox; | |
1624 | __be32 *inbox; | |
1625 | int err; | |
1626 | ||
1627 | #define RESIZE_CQ_IN_SIZE 0x40 | |
1628 | #define RESIZE_CQ_LOG_SIZE_OFFSET 0x0c | |
1629 | #define RESIZE_CQ_LKEY_OFFSET 0x1c | |
1630 | ||
1631 | mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); | |
1632 | if (IS_ERR(mailbox)) | |
1633 | return PTR_ERR(mailbox); | |
1634 | inbox = mailbox->buf; | |
1635 | ||
1636 | memset(inbox, 0, RESIZE_CQ_IN_SIZE); | |
1637 | /* | |
1638 | * Leave start address fields zeroed out -- mthca assumes that | |
1639 | * MRs for CQs always start at virtual address 0. | |
1640 | */ | |
1641 | MTHCA_PUT(inbox, log_size, RESIZE_CQ_LOG_SIZE_OFFSET); | |
1642 | MTHCA_PUT(inbox, lkey, RESIZE_CQ_LKEY_OFFSET); | |
1643 | ||
1644 | err = mthca_cmd(dev, mailbox->dma, cq_num, 1, CMD_RESIZE_CQ, | |
1645 | CMD_TIME_CLASS_B, status); | |
1646 | ||
1647 | mthca_free_mailbox(dev, mailbox); | |
1648 | return err; | |
1649 | } | |
1650 | ||
ec34a922 RD |
1651 | int mthca_SW2HW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, |
1652 | int srq_num, u8 *status) | |
1653 | { | |
1654 | return mthca_cmd(dev, mailbox->dma, srq_num, 0, CMD_SW2HW_SRQ, | |
1655 | CMD_TIME_CLASS_A, status); | |
1656 | } | |
1657 | ||
1658 | int mthca_HW2SW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, | |
1659 | int srq_num, u8 *status) | |
1660 | { | |
1661 | return mthca_cmd_box(dev, 0, mailbox->dma, srq_num, 0, | |
1662 | CMD_HW2SW_SRQ, | |
1663 | CMD_TIME_CLASS_A, status); | |
1664 | } | |
1665 | ||
8ebe5077 EC |
1666 | int mthca_QUERY_SRQ(struct mthca_dev *dev, u32 num, |
1667 | struct mthca_mailbox *mailbox, u8 *status) | |
1668 | { | |
1669 | return mthca_cmd_box(dev, 0, mailbox->dma, num, 0, | |
1670 | CMD_QUERY_SRQ, CMD_TIME_CLASS_A, status); | |
1671 | } | |
1672 | ||
ec34a922 RD |
1673 | int mthca_ARM_SRQ(struct mthca_dev *dev, int srq_num, int limit, u8 *status) |
1674 | { | |
1675 | return mthca_cmd(dev, limit, srq_num, 0, CMD_ARM_SRQ, | |
1676 | CMD_TIME_CLASS_B, status); | |
1677 | } | |
1678 | ||
d844183d RD |
1679 | int mthca_MODIFY_QP(struct mthca_dev *dev, enum ib_qp_state cur, |
1680 | enum ib_qp_state next, u32 num, int is_ee, | |
1681 | struct mthca_mailbox *mailbox, u32 optmask, | |
1da177e4 LT |
1682 | u8 *status) |
1683 | { | |
d844183d RD |
1684 | static const u16 op[IB_QPS_ERR + 1][IB_QPS_ERR + 1] = { |
1685 | [IB_QPS_RESET] = { | |
1686 | [IB_QPS_RESET] = CMD_ERR2RST_QPEE, | |
1687 | [IB_QPS_ERR] = CMD_2ERR_QPEE, | |
1688 | [IB_QPS_INIT] = CMD_RST2INIT_QPEE, | |
1689 | }, | |
1690 | [IB_QPS_INIT] = { | |
1691 | [IB_QPS_RESET] = CMD_ERR2RST_QPEE, | |
1692 | [IB_QPS_ERR] = CMD_2ERR_QPEE, | |
1693 | [IB_QPS_INIT] = CMD_INIT2INIT_QPEE, | |
1694 | [IB_QPS_RTR] = CMD_INIT2RTR_QPEE, | |
1695 | }, | |
1696 | [IB_QPS_RTR] = { | |
1697 | [IB_QPS_RESET] = CMD_ERR2RST_QPEE, | |
1698 | [IB_QPS_ERR] = CMD_2ERR_QPEE, | |
1699 | [IB_QPS_RTS] = CMD_RTR2RTS_QPEE, | |
1700 | }, | |
1701 | [IB_QPS_RTS] = { | |
1702 | [IB_QPS_RESET] = CMD_ERR2RST_QPEE, | |
1703 | [IB_QPS_ERR] = CMD_2ERR_QPEE, | |
1704 | [IB_QPS_RTS] = CMD_RTS2RTS_QPEE, | |
1705 | [IB_QPS_SQD] = CMD_RTS2SQD_QPEE, | |
1706 | }, | |
1707 | [IB_QPS_SQD] = { | |
1708 | [IB_QPS_RESET] = CMD_ERR2RST_QPEE, | |
1709 | [IB_QPS_ERR] = CMD_2ERR_QPEE, | |
1710 | [IB_QPS_RTS] = CMD_SQD2RTS_QPEE, | |
1711 | [IB_QPS_SQD] = CMD_SQD2SQD_QPEE, | |
1712 | }, | |
1713 | [IB_QPS_SQE] = { | |
1714 | [IB_QPS_RESET] = CMD_ERR2RST_QPEE, | |
1715 | [IB_QPS_ERR] = CMD_2ERR_QPEE, | |
1716 | [IB_QPS_RTS] = CMD_SQERR2RTS_QPEE, | |
1717 | }, | |
1718 | [IB_QPS_ERR] = { | |
1719 | [IB_QPS_RESET] = CMD_ERR2RST_QPEE, | |
1720 | [IB_QPS_ERR] = CMD_2ERR_QPEE, | |
1721 | } | |
1da177e4 | 1722 | }; |
d844183d | 1723 | |
1da177e4 | 1724 | u8 op_mod = 0; |
ed878458 | 1725 | int my_mailbox = 0; |
1da177e4 LT |
1726 | int err; |
1727 | ||
d844183d | 1728 | if (op[cur][next] == CMD_ERR2RST_QPEE) { |
1da177e4 LT |
1729 | op_mod = 3; /* don't write outbox, any->reset */ |
1730 | ||
1731 | /* For debugging */ | |
ed878458 RD |
1732 | if (!mailbox) { |
1733 | mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); | |
1734 | if (!IS_ERR(mailbox)) { | |
1735 | my_mailbox = 1; | |
1736 | op_mod = 2; /* write outbox, any->reset */ | |
1737 | } else | |
1738 | mailbox = NULL; | |
1739 | } | |
d844183d RD |
1740 | |
1741 | err = mthca_cmd_box(dev, 0, mailbox ? mailbox->dma : 0, | |
1742 | (!!is_ee << 24) | num, op_mod, | |
1743 | op[cur][next], CMD_TIME_CLASS_C, status); | |
1744 | ||
1745 | if (0 && mailbox) { | |
1da177e4 LT |
1746 | int i; |
1747 | mthca_dbg(dev, "Dumping QP context:\n"); | |
d844183d | 1748 | printk(" %08x\n", be32_to_cpup(mailbox->buf)); |
1da177e4 LT |
1749 | for (i = 0; i < 0x100 / 4; ++i) { |
1750 | if (i % 8 == 0) | |
d844183d | 1751 | printk("[%02x] ", i * 4); |
ed878458 | 1752 | printk(" %08x", |
97f52eb4 | 1753 | be32_to_cpu(((__be32 *) mailbox->buf)[i + 2])); |
1da177e4 LT |
1754 | if ((i + 1) % 8 == 0) |
1755 | printk("\n"); | |
1756 | } | |
1757 | } | |
1da177e4 | 1758 | |
d844183d RD |
1759 | if (my_mailbox) |
1760 | mthca_free_mailbox(dev, mailbox); | |
1761 | } else { | |
1762 | if (0) { | |
1da177e4 LT |
1763 | int i; |
1764 | mthca_dbg(dev, "Dumping QP context:\n"); | |
d844183d | 1765 | printk(" opt param mask: %08x\n", be32_to_cpup(mailbox->buf)); |
1da177e4 LT |
1766 | for (i = 0; i < 0x100 / 4; ++i) { |
1767 | if (i % 8 == 0) | |
d844183d | 1768 | printk(" [%02x] ", i * 4); |
ed878458 | 1769 | printk(" %08x", |
97f52eb4 | 1770 | be32_to_cpu(((__be32 *) mailbox->buf)[i + 2])); |
1da177e4 LT |
1771 | if ((i + 1) % 8 == 0) |
1772 | printk("\n"); | |
1773 | } | |
1774 | } | |
1775 | ||
d844183d RD |
1776 | err = mthca_cmd(dev, mailbox->dma, optmask | (!!is_ee << 24) | num, |
1777 | op_mod, op[cur][next], CMD_TIME_CLASS_C, status); | |
1778 | } | |
ed878458 | 1779 | |
1da177e4 LT |
1780 | return err; |
1781 | } | |
1782 | ||
1783 | int mthca_QUERY_QP(struct mthca_dev *dev, u32 num, int is_ee, | |
ed878458 | 1784 | struct mthca_mailbox *mailbox, u8 *status) |
1da177e4 | 1785 | { |
ed878458 RD |
1786 | return mthca_cmd_box(dev, 0, mailbox->dma, (!!is_ee << 24) | num, 0, |
1787 | CMD_QUERY_QPEE, CMD_TIME_CLASS_A, status); | |
1da177e4 LT |
1788 | } |
1789 | ||
1790 | int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn, | |
1791 | u8 *status) | |
1792 | { | |
1793 | u8 op_mod; | |
1794 | ||
1795 | switch (type) { | |
1796 | case IB_QPT_SMI: | |
1797 | op_mod = 0; | |
1798 | break; | |
1799 | case IB_QPT_GSI: | |
1800 | op_mod = 1; | |
1801 | break; | |
1802 | case IB_QPT_RAW_IPV6: | |
1803 | op_mod = 2; | |
1804 | break; | |
1805 | case IB_QPT_RAW_ETY: | |
1806 | op_mod = 3; | |
1807 | break; | |
1808 | default: | |
1809 | return -EINVAL; | |
1810 | } | |
1811 | ||
1812 | return mthca_cmd(dev, 0, qpn, op_mod, CMD_CONF_SPECIAL_QP, | |
1813 | CMD_TIME_CLASS_B, status); | |
1814 | } | |
1815 | ||
1816 | int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey, | |
ed878458 | 1817 | int port, struct ib_wc *in_wc, struct ib_grh *in_grh, |
1da177e4 LT |
1818 | void *in_mad, void *response_mad, u8 *status) |
1819 | { | |
ed878458 RD |
1820 | struct mthca_mailbox *inmailbox, *outmailbox; |
1821 | void *inbox; | |
1da177e4 LT |
1822 | int err; |
1823 | u32 in_modifier = port; | |
1824 | u8 op_modifier = 0; | |
1825 | ||
1826 | #define MAD_IFC_BOX_SIZE 0x400 | |
1827 | #define MAD_IFC_MY_QPN_OFFSET 0x100 | |
68586b67 MT |
1828 | #define MAD_IFC_RQPN_OFFSET 0x108 |
1829 | #define MAD_IFC_SL_OFFSET 0x10c | |
1830 | #define MAD_IFC_G_PATH_OFFSET 0x10d | |
1831 | #define MAD_IFC_RLID_OFFSET 0x10e | |
1832 | #define MAD_IFC_PKEY_OFFSET 0x112 | |
1da177e4 LT |
1833 | #define MAD_IFC_GRH_OFFSET 0x140 |
1834 | ||
ed878458 RD |
1835 | inmailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); |
1836 | if (IS_ERR(inmailbox)) | |
1837 | return PTR_ERR(inmailbox); | |
1838 | inbox = inmailbox->buf; | |
1839 | ||
1840 | outmailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); | |
1841 | if (IS_ERR(outmailbox)) { | |
1842 | mthca_free_mailbox(dev, inmailbox); | |
1843 | return PTR_ERR(outmailbox); | |
1844 | } | |
1da177e4 | 1845 | |
ed878458 | 1846 | memcpy(inbox, in_mad, 256); |
1da177e4 LT |
1847 | |
1848 | /* | |
1849 | * Key check traps can't be generated unless we have in_wc to | |
1850 | * tell us where to send the trap. | |
1851 | */ | |
1852 | if (ignore_mkey || !in_wc) | |
1853 | op_modifier |= 0x1; | |
1854 | if (ignore_bkey || !in_wc) | |
1855 | op_modifier |= 0x2; | |
1856 | ||
1857 | if (in_wc) { | |
1858 | u8 val; | |
1859 | ||
ed878458 | 1860 | memset(inbox + 256, 0, 256); |
1da177e4 | 1861 | |
062dbb69 | 1862 | MTHCA_PUT(inbox, in_wc->qp->qp_num, MAD_IFC_MY_QPN_OFFSET); |
ed878458 | 1863 | MTHCA_PUT(inbox, in_wc->src_qp, MAD_IFC_RQPN_OFFSET); |
1da177e4 LT |
1864 | |
1865 | val = in_wc->sl << 4; | |
ed878458 | 1866 | MTHCA_PUT(inbox, val, MAD_IFC_SL_OFFSET); |
1da177e4 LT |
1867 | |
1868 | val = in_wc->dlid_path_bits | | |
1869 | (in_wc->wc_flags & IB_WC_GRH ? 0x80 : 0); | |
68586b67 | 1870 | MTHCA_PUT(inbox, val, MAD_IFC_G_PATH_OFFSET); |
1da177e4 | 1871 | |
ed878458 RD |
1872 | MTHCA_PUT(inbox, in_wc->slid, MAD_IFC_RLID_OFFSET); |
1873 | MTHCA_PUT(inbox, in_wc->pkey_index, MAD_IFC_PKEY_OFFSET); | |
1da177e4 LT |
1874 | |
1875 | if (in_grh) | |
ed878458 | 1876 | memcpy(inbox + MAD_IFC_GRH_OFFSET, in_grh, 40); |
1da177e4 | 1877 | |
68586b67 | 1878 | op_modifier |= 0x4; |
1da177e4 LT |
1879 | |
1880 | in_modifier |= in_wc->slid << 16; | |
1881 | } | |
1882 | ||
ed878458 RD |
1883 | err = mthca_cmd_box(dev, inmailbox->dma, outmailbox->dma, |
1884 | in_modifier, op_modifier, | |
1da177e4 LT |
1885 | CMD_MAD_IFC, CMD_TIME_CLASS_C, status); |
1886 | ||
1887 | if (!err && !*status) | |
ed878458 | 1888 | memcpy(response_mad, outmailbox->buf, 256); |
1da177e4 | 1889 | |
ed878458 RD |
1890 | mthca_free_mailbox(dev, inmailbox); |
1891 | mthca_free_mailbox(dev, outmailbox); | |
1da177e4 LT |
1892 | return err; |
1893 | } | |
1894 | ||
ed878458 RD |
1895 | int mthca_READ_MGM(struct mthca_dev *dev, int index, |
1896 | struct mthca_mailbox *mailbox, u8 *status) | |
1da177e4 | 1897 | { |
ed878458 RD |
1898 | return mthca_cmd_box(dev, 0, mailbox->dma, index, 0, |
1899 | CMD_READ_MGM, CMD_TIME_CLASS_A, status); | |
1da177e4 LT |
1900 | } |
1901 | ||
ed878458 RD |
1902 | int mthca_WRITE_MGM(struct mthca_dev *dev, int index, |
1903 | struct mthca_mailbox *mailbox, u8 *status) | |
1da177e4 | 1904 | { |
ed878458 RD |
1905 | return mthca_cmd(dev, mailbox->dma, index, 0, CMD_WRITE_MGM, |
1906 | CMD_TIME_CLASS_A, status); | |
1da177e4 LT |
1907 | } |
1908 | ||
ed878458 RD |
1909 | int mthca_MGID_HASH(struct mthca_dev *dev, struct mthca_mailbox *mailbox, |
1910 | u16 *hash, u8 *status) | |
1da177e4 | 1911 | { |
1da177e4 LT |
1912 | u64 imm; |
1913 | int err; | |
1914 | ||
ed878458 | 1915 | err = mthca_cmd_imm(dev, mailbox->dma, &imm, 0, 0, CMD_MGID_HASH, |
1da177e4 | 1916 | CMD_TIME_CLASS_A, status); |
1da177e4 | 1917 | |
ed878458 | 1918 | *hash = imm; |
1da177e4 LT |
1919 | return err; |
1920 | } | |
1921 | ||
1922 | int mthca_NOP(struct mthca_dev *dev, u8 *status) | |
1923 | { | |
1924 | return mthca_cmd(dev, 0, 0x1f, 0, CMD_NOP, msecs_to_jiffies(100), status); | |
1925 | } |