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225c7b1f RD |
1 | /* |
2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. | |
51a379d0 | 3 | * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved. |
225c7b1f RD |
4 | * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved. |
5 | * | |
6 | * This software is available to you under a choice of one of two | |
7 | * licenses. You may choose to be licensed under the terms of the GNU | |
8 | * General Public License (GPL) Version 2, available from the file | |
9 | * COPYING in the main directory of this source tree, or the | |
10 | * OpenIB.org BSD license below: | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or | |
13 | * without modification, are permitted provided that the following | |
14 | * conditions are met: | |
15 | * | |
16 | * - Redistributions of source code must retain the above | |
17 | * copyright notice, this list of conditions and the following | |
18 | * disclaimer. | |
19 | * | |
20 | * - Redistributions in binary form must reproduce the above | |
21 | * copyright notice, this list of conditions and the following | |
22 | * disclaimer in the documentation and/or other materials | |
23 | * provided with the distribution. | |
24 | * | |
25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
26 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
27 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
28 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
29 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
30 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
31 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
32 | * SOFTWARE. | |
33 | */ | |
34 | ||
35 | #include <linux/sched.h> | |
5a0e3ad6 | 36 | #include <linux/slab.h> |
ee40fa06 | 37 | #include <linux/export.h> |
225c7b1f RD |
38 | #include <linux/pci.h> |
39 | #include <linux/errno.h> | |
40 | ||
41 | #include <linux/mlx4/cmd.h> | |
948e306d | 42 | #include <linux/mlx4/device.h> |
e8f081aa | 43 | #include <linux/semaphore.h> |
0a9a0188 | 44 | #include <rdma/ib_smi.h> |
225c7b1f RD |
45 | |
46 | #include <asm/io.h> | |
47 | ||
48 | #include "mlx4.h" | |
e8f081aa | 49 | #include "fw.h" |
225c7b1f RD |
50 | |
51 | #define CMD_POLL_TOKEN 0xffff | |
e8f081aa YP |
52 | #define INBOX_MASK 0xffffffffffffff00ULL |
53 | ||
54 | #define CMD_CHAN_VER 1 | |
55 | #define CMD_CHAN_IF_REV 1 | |
225c7b1f RD |
56 | |
57 | enum { | |
58 | /* command completed successfully: */ | |
59 | CMD_STAT_OK = 0x00, | |
60 | /* Internal error (such as a bus error) occurred while processing command: */ | |
61 | CMD_STAT_INTERNAL_ERR = 0x01, | |
62 | /* Operation/command not supported or opcode modifier not supported: */ | |
63 | CMD_STAT_BAD_OP = 0x02, | |
64 | /* Parameter not supported or parameter out of range: */ | |
65 | CMD_STAT_BAD_PARAM = 0x03, | |
66 | /* System not enabled or bad system state: */ | |
67 | CMD_STAT_BAD_SYS_STATE = 0x04, | |
68 | /* Attempt to access reserved or unallocaterd resource: */ | |
69 | CMD_STAT_BAD_RESOURCE = 0x05, | |
70 | /* Requested resource is currently executing a command, or is otherwise busy: */ | |
71 | CMD_STAT_RESOURCE_BUSY = 0x06, | |
72 | /* Required capability exceeds device limits: */ | |
73 | CMD_STAT_EXCEED_LIM = 0x08, | |
74 | /* Resource is not in the appropriate state or ownership: */ | |
75 | CMD_STAT_BAD_RES_STATE = 0x09, | |
76 | /* Index out of range: */ | |
77 | CMD_STAT_BAD_INDEX = 0x0a, | |
78 | /* FW image corrupted: */ | |
79 | CMD_STAT_BAD_NVMEM = 0x0b, | |
899698da JM |
80 | /* Error in ICM mapping (e.g. not enough auxiliary ICM pages to execute command): */ |
81 | CMD_STAT_ICM_ERROR = 0x0c, | |
225c7b1f RD |
82 | /* Attempt to modify a QP/EE which is not in the presumed state: */ |
83 | CMD_STAT_BAD_QP_STATE = 0x10, | |
84 | /* Bad segment parameters (Address/Size): */ | |
85 | CMD_STAT_BAD_SEG_PARAM = 0x20, | |
86 | /* Memory Region has Memory Windows bound to: */ | |
87 | CMD_STAT_REG_BOUND = 0x21, | |
88 | /* HCA local attached memory not present: */ | |
89 | CMD_STAT_LAM_NOT_PRE = 0x22, | |
90 | /* Bad management packet (silently discarded): */ | |
91 | CMD_STAT_BAD_PKT = 0x30, | |
92 | /* More outstanding CQEs in CQ than new CQ size: */ | |
cc4ac2e7 YP |
93 | CMD_STAT_BAD_SIZE = 0x40, |
94 | /* Multi Function device support required: */ | |
95 | CMD_STAT_MULTI_FUNC_REQ = 0x50, | |
225c7b1f RD |
96 | }; |
97 | ||
98 | enum { | |
99 | HCR_IN_PARAM_OFFSET = 0x00, | |
100 | HCR_IN_MODIFIER_OFFSET = 0x08, | |
101 | HCR_OUT_PARAM_OFFSET = 0x0c, | |
102 | HCR_TOKEN_OFFSET = 0x14, | |
103 | HCR_STATUS_OFFSET = 0x18, | |
104 | ||
105 | HCR_OPMOD_SHIFT = 12, | |
106 | HCR_T_BIT = 21, | |
107 | HCR_E_BIT = 22, | |
108 | HCR_GO_BIT = 23 | |
109 | }; | |
110 | ||
111 | enum { | |
36ce10d3 | 112 | GO_BIT_TIMEOUT_MSECS = 10000 |
225c7b1f RD |
113 | }; |
114 | ||
b01978ca JM |
115 | enum mlx4_vlan_transition { |
116 | MLX4_VLAN_TRANSITION_VST_VST = 0, | |
117 | MLX4_VLAN_TRANSITION_VST_VGT = 1, | |
118 | MLX4_VLAN_TRANSITION_VGT_VST = 2, | |
119 | MLX4_VLAN_TRANSITION_VGT_VGT = 3, | |
120 | }; | |
121 | ||
122 | ||
225c7b1f RD |
123 | struct mlx4_cmd_context { |
124 | struct completion done; | |
125 | int result; | |
126 | int next; | |
127 | u64 out_param; | |
128 | u16 token; | |
e8f081aa | 129 | u8 fw_status; |
225c7b1f RD |
130 | }; |
131 | ||
e8f081aa YP |
132 | static int mlx4_master_process_vhcr(struct mlx4_dev *dev, int slave, |
133 | struct mlx4_vhcr_cmd *in_vhcr); | |
134 | ||
ca281211 RD |
135 | static int mlx4_status_to_errno(u8 status) |
136 | { | |
225c7b1f RD |
137 | static const int trans_table[] = { |
138 | [CMD_STAT_INTERNAL_ERR] = -EIO, | |
139 | [CMD_STAT_BAD_OP] = -EPERM, | |
140 | [CMD_STAT_BAD_PARAM] = -EINVAL, | |
141 | [CMD_STAT_BAD_SYS_STATE] = -ENXIO, | |
142 | [CMD_STAT_BAD_RESOURCE] = -EBADF, | |
143 | [CMD_STAT_RESOURCE_BUSY] = -EBUSY, | |
144 | [CMD_STAT_EXCEED_LIM] = -ENOMEM, | |
145 | [CMD_STAT_BAD_RES_STATE] = -EBADF, | |
146 | [CMD_STAT_BAD_INDEX] = -EBADF, | |
147 | [CMD_STAT_BAD_NVMEM] = -EFAULT, | |
899698da | 148 | [CMD_STAT_ICM_ERROR] = -ENFILE, |
225c7b1f RD |
149 | [CMD_STAT_BAD_QP_STATE] = -EINVAL, |
150 | [CMD_STAT_BAD_SEG_PARAM] = -EFAULT, | |
151 | [CMD_STAT_REG_BOUND] = -EBUSY, | |
152 | [CMD_STAT_LAM_NOT_PRE] = -EAGAIN, | |
153 | [CMD_STAT_BAD_PKT] = -EINVAL, | |
154 | [CMD_STAT_BAD_SIZE] = -ENOMEM, | |
cc4ac2e7 | 155 | [CMD_STAT_MULTI_FUNC_REQ] = -EACCES, |
225c7b1f RD |
156 | }; |
157 | ||
158 | if (status >= ARRAY_SIZE(trans_table) || | |
159 | (status != CMD_STAT_OK && trans_table[status] == 0)) | |
160 | return -EIO; | |
161 | ||
162 | return trans_table[status]; | |
163 | } | |
164 | ||
72be84f1 YP |
165 | static u8 mlx4_errno_to_status(int errno) |
166 | { | |
167 | switch (errno) { | |
168 | case -EPERM: | |
169 | return CMD_STAT_BAD_OP; | |
170 | case -EINVAL: | |
171 | return CMD_STAT_BAD_PARAM; | |
172 | case -ENXIO: | |
173 | return CMD_STAT_BAD_SYS_STATE; | |
174 | case -EBUSY: | |
175 | return CMD_STAT_RESOURCE_BUSY; | |
176 | case -ENOMEM: | |
177 | return CMD_STAT_EXCEED_LIM; | |
178 | case -ENFILE: | |
179 | return CMD_STAT_ICM_ERROR; | |
180 | default: | |
181 | return CMD_STAT_INTERNAL_ERR; | |
182 | } | |
183 | } | |
184 | ||
e8f081aa YP |
185 | static int comm_pending(struct mlx4_dev *dev) |
186 | { | |
187 | struct mlx4_priv *priv = mlx4_priv(dev); | |
188 | u32 status = readl(&priv->mfunc.comm->slave_read); | |
189 | ||
190 | return (swab32(status) >> 31) != priv->cmd.comm_toggle; | |
191 | } | |
192 | ||
193 | static void mlx4_comm_cmd_post(struct mlx4_dev *dev, u8 cmd, u16 param) | |
194 | { | |
195 | struct mlx4_priv *priv = mlx4_priv(dev); | |
196 | u32 val; | |
197 | ||
198 | priv->cmd.comm_toggle ^= 1; | |
199 | val = param | (cmd << 16) | (priv->cmd.comm_toggle << 31); | |
200 | __raw_writel((__force u32) cpu_to_be32(val), | |
201 | &priv->mfunc.comm->slave_write); | |
202 | mmiowb(); | |
203 | } | |
204 | ||
e8f081aa YP |
205 | static int mlx4_comm_cmd_poll(struct mlx4_dev *dev, u8 cmd, u16 param, |
206 | unsigned long timeout) | |
207 | { | |
208 | struct mlx4_priv *priv = mlx4_priv(dev); | |
209 | unsigned long end; | |
210 | int err = 0; | |
211 | int ret_from_pending = 0; | |
212 | ||
213 | /* First, verify that the master reports correct status */ | |
214 | if (comm_pending(dev)) { | |
215 | mlx4_warn(dev, "Communication channel is not idle." | |
216 | "my toggle is %d (cmd:0x%x)\n", | |
217 | priv->cmd.comm_toggle, cmd); | |
218 | return -EAGAIN; | |
219 | } | |
220 | ||
221 | /* Write command */ | |
222 | down(&priv->cmd.poll_sem); | |
223 | mlx4_comm_cmd_post(dev, cmd, param); | |
224 | ||
225 | end = msecs_to_jiffies(timeout) + jiffies; | |
226 | while (comm_pending(dev) && time_before(jiffies, end)) | |
227 | cond_resched(); | |
228 | ret_from_pending = comm_pending(dev); | |
229 | if (ret_from_pending) { | |
230 | /* check if the slave is trying to boot in the middle of | |
231 | * FLR process. The only non-zero result in the RESET command | |
232 | * is MLX4_DELAY_RESET_SLAVE*/ | |
233 | if ((MLX4_COMM_CMD_RESET == cmd)) { | |
e8f081aa YP |
234 | err = MLX4_DELAY_RESET_SLAVE; |
235 | } else { | |
236 | mlx4_warn(dev, "Communication channel timed out\n"); | |
237 | err = -ETIMEDOUT; | |
238 | } | |
239 | } | |
240 | ||
241 | up(&priv->cmd.poll_sem); | |
242 | return err; | |
243 | } | |
244 | ||
245 | static int mlx4_comm_cmd_wait(struct mlx4_dev *dev, u8 op, | |
246 | u16 param, unsigned long timeout) | |
247 | { | |
248 | struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd; | |
249 | struct mlx4_cmd_context *context; | |
58a3de05 | 250 | unsigned long end; |
e8f081aa YP |
251 | int err = 0; |
252 | ||
253 | down(&cmd->event_sem); | |
254 | ||
255 | spin_lock(&cmd->context_lock); | |
256 | BUG_ON(cmd->free_head < 0); | |
257 | context = &cmd->context[cmd->free_head]; | |
258 | context->token += cmd->token_mask + 1; | |
259 | cmd->free_head = context->next; | |
260 | spin_unlock(&cmd->context_lock); | |
261 | ||
262 | init_completion(&context->done); | |
263 | ||
264 | mlx4_comm_cmd_post(dev, op, param); | |
265 | ||
266 | if (!wait_for_completion_timeout(&context->done, | |
267 | msecs_to_jiffies(timeout))) { | |
674925ed DB |
268 | mlx4_warn(dev, "communication channel command 0x%x timed out\n", |
269 | op); | |
e8f081aa YP |
270 | err = -EBUSY; |
271 | goto out; | |
272 | } | |
273 | ||
274 | err = context->result; | |
275 | if (err && context->fw_status != CMD_STAT_MULTI_FUNC_REQ) { | |
276 | mlx4_err(dev, "command 0x%x failed: fw status = 0x%x\n", | |
277 | op, context->fw_status); | |
278 | goto out; | |
279 | } | |
280 | ||
281 | out: | |
58a3de05 EE |
282 | /* wait for comm channel ready |
283 | * this is necessary for prevention the race | |
284 | * when switching between event to polling mode | |
285 | */ | |
286 | end = msecs_to_jiffies(timeout) + jiffies; | |
287 | while (comm_pending(dev) && time_before(jiffies, end)) | |
288 | cond_resched(); | |
289 | ||
e8f081aa YP |
290 | spin_lock(&cmd->context_lock); |
291 | context->next = cmd->free_head; | |
292 | cmd->free_head = context - cmd->context; | |
293 | spin_unlock(&cmd->context_lock); | |
294 | ||
295 | up(&cmd->event_sem); | |
296 | return err; | |
297 | } | |
298 | ||
ab9c17a0 | 299 | int mlx4_comm_cmd(struct mlx4_dev *dev, u8 cmd, u16 param, |
e8f081aa YP |
300 | unsigned long timeout) |
301 | { | |
302 | if (mlx4_priv(dev)->cmd.use_events) | |
303 | return mlx4_comm_cmd_wait(dev, cmd, param, timeout); | |
304 | return mlx4_comm_cmd_poll(dev, cmd, param, timeout); | |
305 | } | |
306 | ||
225c7b1f RD |
307 | static int cmd_pending(struct mlx4_dev *dev) |
308 | { | |
57dbf29a KSS |
309 | u32 status; |
310 | ||
311 | if (pci_channel_offline(dev->pdev)) | |
312 | return -EIO; | |
313 | ||
314 | status = readl(mlx4_priv(dev)->cmd.hcr + HCR_STATUS_OFFSET); | |
225c7b1f RD |
315 | |
316 | return (status & swab32(1 << HCR_GO_BIT)) || | |
317 | (mlx4_priv(dev)->cmd.toggle == | |
318 | !!(status & swab32(1 << HCR_T_BIT))); | |
319 | } | |
320 | ||
321 | static int mlx4_cmd_post(struct mlx4_dev *dev, u64 in_param, u64 out_param, | |
322 | u32 in_modifier, u8 op_modifier, u16 op, u16 token, | |
323 | int event) | |
324 | { | |
325 | struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd; | |
326 | u32 __iomem *hcr = cmd->hcr; | |
327 | int ret = -EAGAIN; | |
328 | unsigned long end; | |
329 | ||
330 | mutex_lock(&cmd->hcr_mutex); | |
331 | ||
57dbf29a KSS |
332 | if (pci_channel_offline(dev->pdev)) { |
333 | /* | |
334 | * Device is going through error recovery | |
335 | * and cannot accept commands. | |
336 | */ | |
337 | ret = -EIO; | |
338 | goto out; | |
339 | } | |
340 | ||
225c7b1f RD |
341 | end = jiffies; |
342 | if (event) | |
36ce10d3 | 343 | end += msecs_to_jiffies(GO_BIT_TIMEOUT_MSECS); |
225c7b1f RD |
344 | |
345 | while (cmd_pending(dev)) { | |
57dbf29a KSS |
346 | if (pci_channel_offline(dev->pdev)) { |
347 | /* | |
348 | * Device is going through error recovery | |
349 | * and cannot accept commands. | |
350 | */ | |
351 | ret = -EIO; | |
352 | goto out; | |
353 | } | |
354 | ||
e8f081aa YP |
355 | if (time_after_eq(jiffies, end)) { |
356 | mlx4_err(dev, "%s:cmd_pending failed\n", __func__); | |
225c7b1f | 357 | goto out; |
e8f081aa | 358 | } |
225c7b1f RD |
359 | cond_resched(); |
360 | } | |
361 | ||
362 | /* | |
363 | * We use writel (instead of something like memcpy_toio) | |
364 | * because writes of less than 32 bits to the HCR don't work | |
365 | * (and some architectures such as ia64 implement memcpy_toio | |
366 | * in terms of writeb). | |
367 | */ | |
368 | __raw_writel((__force u32) cpu_to_be32(in_param >> 32), hcr + 0); | |
369 | __raw_writel((__force u32) cpu_to_be32(in_param & 0xfffffffful), hcr + 1); | |
370 | __raw_writel((__force u32) cpu_to_be32(in_modifier), hcr + 2); | |
371 | __raw_writel((__force u32) cpu_to_be32(out_param >> 32), hcr + 3); | |
372 | __raw_writel((__force u32) cpu_to_be32(out_param & 0xfffffffful), hcr + 4); | |
373 | __raw_writel((__force u32) cpu_to_be32(token << 16), hcr + 5); | |
374 | ||
375 | /* __raw_writel may not order writes. */ | |
376 | wmb(); | |
377 | ||
378 | __raw_writel((__force u32) cpu_to_be32((1 << HCR_GO_BIT) | | |
379 | (cmd->toggle << HCR_T_BIT) | | |
380 | (event ? (1 << HCR_E_BIT) : 0) | | |
381 | (op_modifier << HCR_OPMOD_SHIFT) | | |
e8f081aa | 382 | op), hcr + 6); |
2e61c646 RD |
383 | |
384 | /* | |
385 | * Make sure that our HCR writes don't get mixed in with | |
386 | * writes from another CPU starting a FW command. | |
387 | */ | |
388 | mmiowb(); | |
389 | ||
225c7b1f RD |
390 | cmd->toggle = cmd->toggle ^ 1; |
391 | ||
392 | ret = 0; | |
393 | ||
394 | out: | |
395 | mutex_unlock(&cmd->hcr_mutex); | |
396 | return ret; | |
397 | } | |
398 | ||
e8f081aa YP |
399 | static int mlx4_slave_cmd(struct mlx4_dev *dev, u64 in_param, u64 *out_param, |
400 | int out_is_imm, u32 in_modifier, u8 op_modifier, | |
401 | u16 op, unsigned long timeout) | |
402 | { | |
403 | struct mlx4_priv *priv = mlx4_priv(dev); | |
404 | struct mlx4_vhcr_cmd *vhcr = priv->mfunc.vhcr; | |
405 | int ret; | |
406 | ||
f3d4c89e RD |
407 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
408 | ||
e8f081aa YP |
409 | vhcr->in_param = cpu_to_be64(in_param); |
410 | vhcr->out_param = out_param ? cpu_to_be64(*out_param) : 0; | |
411 | vhcr->in_modifier = cpu_to_be32(in_modifier); | |
412 | vhcr->opcode = cpu_to_be16((((u16) op_modifier) << 12) | (op & 0xfff)); | |
413 | vhcr->token = cpu_to_be16(CMD_POLL_TOKEN); | |
414 | vhcr->status = 0; | |
415 | vhcr->flags = !!(priv->cmd.use_events) << 6; | |
f3d4c89e | 416 | |
e8f081aa YP |
417 | if (mlx4_is_master(dev)) { |
418 | ret = mlx4_master_process_vhcr(dev, dev->caps.function, vhcr); | |
419 | if (!ret) { | |
420 | if (out_is_imm) { | |
421 | if (out_param) | |
422 | *out_param = | |
423 | be64_to_cpu(vhcr->out_param); | |
424 | else { | |
425 | mlx4_err(dev, "response expected while" | |
426 | "output mailbox is NULL for " | |
427 | "command 0x%x\n", op); | |
72be84f1 | 428 | vhcr->status = CMD_STAT_BAD_PARAM; |
e8f081aa YP |
429 | } |
430 | } | |
72be84f1 | 431 | ret = mlx4_status_to_errno(vhcr->status); |
e8f081aa YP |
432 | } |
433 | } else { | |
434 | ret = mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR_POST, 0, | |
435 | MLX4_COMM_TIME + timeout); | |
436 | if (!ret) { | |
437 | if (out_is_imm) { | |
438 | if (out_param) | |
439 | *out_param = | |
440 | be64_to_cpu(vhcr->out_param); | |
441 | else { | |
442 | mlx4_err(dev, "response expected while" | |
443 | "output mailbox is NULL for " | |
444 | "command 0x%x\n", op); | |
72be84f1 | 445 | vhcr->status = CMD_STAT_BAD_PARAM; |
e8f081aa YP |
446 | } |
447 | } | |
72be84f1 | 448 | ret = mlx4_status_to_errno(vhcr->status); |
e8f081aa YP |
449 | } else |
450 | mlx4_err(dev, "failed execution of VHCR_POST command" | |
451 | "opcode 0x%x\n", op); | |
452 | } | |
f3d4c89e RD |
453 | |
454 | mutex_unlock(&priv->cmd.slave_cmd_mutex); | |
e8f081aa YP |
455 | return ret; |
456 | } | |
457 | ||
225c7b1f RD |
458 | static int mlx4_cmd_poll(struct mlx4_dev *dev, u64 in_param, u64 *out_param, |
459 | int out_is_imm, u32 in_modifier, u8 op_modifier, | |
460 | u16 op, unsigned long timeout) | |
461 | { | |
462 | struct mlx4_priv *priv = mlx4_priv(dev); | |
463 | void __iomem *hcr = priv->cmd.hcr; | |
464 | int err = 0; | |
465 | unsigned long end; | |
e8f081aa | 466 | u32 stat; |
225c7b1f RD |
467 | |
468 | down(&priv->cmd.poll_sem); | |
469 | ||
57dbf29a KSS |
470 | if (pci_channel_offline(dev->pdev)) { |
471 | /* | |
472 | * Device is going through error recovery | |
473 | * and cannot accept commands. | |
474 | */ | |
475 | err = -EIO; | |
476 | goto out; | |
477 | } | |
478 | ||
225c7b1f RD |
479 | err = mlx4_cmd_post(dev, in_param, out_param ? *out_param : 0, |
480 | in_modifier, op_modifier, op, CMD_POLL_TOKEN, 0); | |
481 | if (err) | |
482 | goto out; | |
483 | ||
484 | end = msecs_to_jiffies(timeout) + jiffies; | |
57dbf29a KSS |
485 | while (cmd_pending(dev) && time_before(jiffies, end)) { |
486 | if (pci_channel_offline(dev->pdev)) { | |
487 | /* | |
488 | * Device is going through error recovery | |
489 | * and cannot accept commands. | |
490 | */ | |
491 | err = -EIO; | |
492 | goto out; | |
493 | } | |
494 | ||
225c7b1f | 495 | cond_resched(); |
57dbf29a | 496 | } |
225c7b1f RD |
497 | |
498 | if (cmd_pending(dev)) { | |
674925ed DB |
499 | mlx4_warn(dev, "command 0x%x timed out (go bit not cleared)\n", |
500 | op); | |
225c7b1f RD |
501 | err = -ETIMEDOUT; |
502 | goto out; | |
503 | } | |
504 | ||
505 | if (out_is_imm) | |
506 | *out_param = | |
507 | (u64) be32_to_cpu((__force __be32) | |
508 | __raw_readl(hcr + HCR_OUT_PARAM_OFFSET)) << 32 | | |
509 | (u64) be32_to_cpu((__force __be32) | |
510 | __raw_readl(hcr + HCR_OUT_PARAM_OFFSET + 4)); | |
e8f081aa YP |
511 | stat = be32_to_cpu((__force __be32) |
512 | __raw_readl(hcr + HCR_STATUS_OFFSET)) >> 24; | |
513 | err = mlx4_status_to_errno(stat); | |
514 | if (err) | |
515 | mlx4_err(dev, "command 0x%x failed: fw status = 0x%x\n", | |
516 | op, stat); | |
225c7b1f RD |
517 | |
518 | out: | |
519 | up(&priv->cmd.poll_sem); | |
520 | return err; | |
521 | } | |
522 | ||
523 | void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param) | |
524 | { | |
525 | struct mlx4_priv *priv = mlx4_priv(dev); | |
526 | struct mlx4_cmd_context *context = | |
527 | &priv->cmd.context[token & priv->cmd.token_mask]; | |
528 | ||
529 | /* previously timed out command completing at long last */ | |
530 | if (token != context->token) | |
531 | return; | |
532 | ||
e8f081aa | 533 | context->fw_status = status; |
225c7b1f RD |
534 | context->result = mlx4_status_to_errno(status); |
535 | context->out_param = out_param; | |
536 | ||
225c7b1f RD |
537 | complete(&context->done); |
538 | } | |
539 | ||
540 | static int mlx4_cmd_wait(struct mlx4_dev *dev, u64 in_param, u64 *out_param, | |
541 | int out_is_imm, u32 in_modifier, u8 op_modifier, | |
542 | u16 op, unsigned long timeout) | |
543 | { | |
544 | struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd; | |
545 | struct mlx4_cmd_context *context; | |
546 | int err = 0; | |
547 | ||
548 | down(&cmd->event_sem); | |
549 | ||
550 | spin_lock(&cmd->context_lock); | |
551 | BUG_ON(cmd->free_head < 0); | |
552 | context = &cmd->context[cmd->free_head]; | |
0981582d | 553 | context->token += cmd->token_mask + 1; |
225c7b1f RD |
554 | cmd->free_head = context->next; |
555 | spin_unlock(&cmd->context_lock); | |
556 | ||
557 | init_completion(&context->done); | |
558 | ||
559 | mlx4_cmd_post(dev, in_param, out_param ? *out_param : 0, | |
560 | in_modifier, op_modifier, op, context->token, 1); | |
561 | ||
e8f081aa YP |
562 | if (!wait_for_completion_timeout(&context->done, |
563 | msecs_to_jiffies(timeout))) { | |
674925ed DB |
564 | mlx4_warn(dev, "command 0x%x timed out (go bit not cleared)\n", |
565 | op); | |
225c7b1f RD |
566 | err = -EBUSY; |
567 | goto out; | |
568 | } | |
569 | ||
570 | err = context->result; | |
e8f081aa YP |
571 | if (err) { |
572 | mlx4_err(dev, "command 0x%x failed: fw status = 0x%x\n", | |
573 | op, context->fw_status); | |
225c7b1f | 574 | goto out; |
e8f081aa | 575 | } |
225c7b1f RD |
576 | |
577 | if (out_is_imm) | |
578 | *out_param = context->out_param; | |
579 | ||
580 | out: | |
581 | spin_lock(&cmd->context_lock); | |
582 | context->next = cmd->free_head; | |
583 | cmd->free_head = context - cmd->context; | |
584 | spin_unlock(&cmd->context_lock); | |
585 | ||
586 | up(&cmd->event_sem); | |
587 | return err; | |
588 | } | |
589 | ||
590 | int __mlx4_cmd(struct mlx4_dev *dev, u64 in_param, u64 *out_param, | |
591 | int out_is_imm, u32 in_modifier, u8 op_modifier, | |
f9baff50 | 592 | u16 op, unsigned long timeout, int native) |
225c7b1f | 593 | { |
57dbf29a KSS |
594 | if (pci_channel_offline(dev->pdev)) |
595 | return -EIO; | |
596 | ||
e8f081aa YP |
597 | if (!mlx4_is_mfunc(dev) || (native && mlx4_is_master(dev))) { |
598 | if (mlx4_priv(dev)->cmd.use_events) | |
599 | return mlx4_cmd_wait(dev, in_param, out_param, | |
600 | out_is_imm, in_modifier, | |
601 | op_modifier, op, timeout); | |
602 | else | |
603 | return mlx4_cmd_poll(dev, in_param, out_param, | |
604 | out_is_imm, in_modifier, | |
605 | op_modifier, op, timeout); | |
606 | } | |
607 | return mlx4_slave_cmd(dev, in_param, out_param, out_is_imm, | |
608 | in_modifier, op_modifier, op, timeout); | |
225c7b1f RD |
609 | } |
610 | EXPORT_SYMBOL_GPL(__mlx4_cmd); | |
611 | ||
e8f081aa YP |
612 | |
613 | static int mlx4_ARM_COMM_CHANNEL(struct mlx4_dev *dev) | |
614 | { | |
615 | return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_ARM_COMM_CHANNEL, | |
616 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); | |
617 | } | |
618 | ||
619 | static int mlx4_ACCESS_MEM(struct mlx4_dev *dev, u64 master_addr, | |
620 | int slave, u64 slave_addr, | |
621 | int size, int is_read) | |
622 | { | |
623 | u64 in_param; | |
624 | u64 out_param; | |
625 | ||
626 | if ((slave_addr & 0xfff) | (master_addr & 0xfff) | | |
627 | (slave & ~0x7f) | (size & 0xff)) { | |
628 | mlx4_err(dev, "Bad access mem params - slave_addr:0x%llx " | |
629 | "master_addr:0x%llx slave_id:%d size:%d\n", | |
630 | slave_addr, master_addr, slave, size); | |
631 | return -EINVAL; | |
632 | } | |
633 | ||
634 | if (is_read) { | |
635 | in_param = (u64) slave | slave_addr; | |
636 | out_param = (u64) dev->caps.function | master_addr; | |
637 | } else { | |
638 | in_param = (u64) dev->caps.function | master_addr; | |
639 | out_param = (u64) slave | slave_addr; | |
640 | } | |
641 | ||
642 | return mlx4_cmd_imm(dev, in_param, &out_param, size, 0, | |
643 | MLX4_CMD_ACCESS_MEM, | |
644 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
645 | } | |
646 | ||
0a9a0188 JM |
647 | static int query_pkey_block(struct mlx4_dev *dev, u8 port, u16 index, u16 *pkey, |
648 | struct mlx4_cmd_mailbox *inbox, | |
649 | struct mlx4_cmd_mailbox *outbox) | |
650 | { | |
651 | struct ib_smp *in_mad = (struct ib_smp *)(inbox->buf); | |
652 | struct ib_smp *out_mad = (struct ib_smp *)(outbox->buf); | |
653 | int err; | |
654 | int i; | |
655 | ||
656 | if (index & 0x1f) | |
657 | return -EINVAL; | |
658 | ||
659 | in_mad->attr_mod = cpu_to_be32(index / 32); | |
660 | ||
661 | err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, port, 3, | |
662 | MLX4_CMD_MAD_IFC, MLX4_CMD_TIME_CLASS_C, | |
663 | MLX4_CMD_NATIVE); | |
664 | if (err) | |
665 | return err; | |
666 | ||
667 | for (i = 0; i < 32; ++i) | |
668 | pkey[i] = be16_to_cpu(((__be16 *) out_mad->data)[i]); | |
669 | ||
670 | return err; | |
671 | } | |
672 | ||
673 | static int get_full_pkey_table(struct mlx4_dev *dev, u8 port, u16 *table, | |
674 | struct mlx4_cmd_mailbox *inbox, | |
675 | struct mlx4_cmd_mailbox *outbox) | |
676 | { | |
677 | int i; | |
678 | int err; | |
679 | ||
680 | for (i = 0; i < dev->caps.pkey_table_len[port]; i += 32) { | |
681 | err = query_pkey_block(dev, port, i, table + i, inbox, outbox); | |
682 | if (err) | |
683 | return err; | |
684 | } | |
685 | ||
686 | return 0; | |
687 | } | |
688 | #define PORT_CAPABILITY_LOCATION_IN_SMP 20 | |
689 | #define PORT_STATE_OFFSET 32 | |
690 | ||
691 | static enum ib_port_state vf_port_state(struct mlx4_dev *dev, int port, int vf) | |
692 | { | |
a0c64a17 JM |
693 | if (mlx4_get_slave_port_state(dev, vf, port) == SLAVE_PORT_UP) |
694 | return IB_PORT_ACTIVE; | |
695 | else | |
696 | return IB_PORT_DOWN; | |
0a9a0188 JM |
697 | } |
698 | ||
699 | static int mlx4_MAD_IFC_wrapper(struct mlx4_dev *dev, int slave, | |
700 | struct mlx4_vhcr *vhcr, | |
701 | struct mlx4_cmd_mailbox *inbox, | |
702 | struct mlx4_cmd_mailbox *outbox, | |
703 | struct mlx4_cmd_info *cmd) | |
704 | { | |
705 | struct ib_smp *smp = inbox->buf; | |
706 | u32 index; | |
707 | u8 port; | |
708 | u16 *table; | |
709 | int err; | |
710 | int vidx, pidx; | |
711 | struct mlx4_priv *priv = mlx4_priv(dev); | |
712 | struct ib_smp *outsmp = outbox->buf; | |
713 | __be16 *outtab = (__be16 *)(outsmp->data); | |
714 | __be32 slave_cap_mask; | |
afa8fd1d | 715 | __be64 slave_node_guid; |
0a9a0188 JM |
716 | port = vhcr->in_modifier; |
717 | ||
718 | if (smp->base_version == 1 && | |
719 | smp->mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED && | |
720 | smp->class_version == 1) { | |
721 | if (smp->method == IB_MGMT_METHOD_GET) { | |
722 | if (smp->attr_id == IB_SMP_ATTR_PKEY_TABLE) { | |
723 | index = be32_to_cpu(smp->attr_mod); | |
724 | if (port < 1 || port > dev->caps.num_ports) | |
725 | return -EINVAL; | |
726 | table = kcalloc(dev->caps.pkey_table_len[port], sizeof *table, GFP_KERNEL); | |
727 | if (!table) | |
728 | return -ENOMEM; | |
729 | /* need to get the full pkey table because the paravirtualized | |
730 | * pkeys may be scattered among several pkey blocks. | |
731 | */ | |
732 | err = get_full_pkey_table(dev, port, table, inbox, outbox); | |
733 | if (!err) { | |
734 | for (vidx = index * 32; vidx < (index + 1) * 32; ++vidx) { | |
735 | pidx = priv->virt2phys_pkey[slave][port - 1][vidx]; | |
736 | outtab[vidx % 32] = cpu_to_be16(table[pidx]); | |
737 | } | |
738 | } | |
739 | kfree(table); | |
740 | return err; | |
741 | } | |
742 | if (smp->attr_id == IB_SMP_ATTR_PORT_INFO) { | |
743 | /*get the slave specific caps:*/ | |
744 | /*do the command */ | |
745 | err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, | |
746 | vhcr->in_modifier, vhcr->op_modifier, | |
747 | vhcr->op, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); | |
748 | /* modify the response for slaves */ | |
749 | if (!err && slave != mlx4_master_func_num(dev)) { | |
750 | u8 *state = outsmp->data + PORT_STATE_OFFSET; | |
751 | ||
752 | *state = (*state & 0xf0) | vf_port_state(dev, port, slave); | |
753 | slave_cap_mask = priv->mfunc.master.slave_state[slave].ib_cap_mask[port]; | |
754 | memcpy(outsmp->data + PORT_CAPABILITY_LOCATION_IN_SMP, &slave_cap_mask, 4); | |
755 | } | |
756 | return err; | |
757 | } | |
758 | if (smp->attr_id == IB_SMP_ATTR_GUID_INFO) { | |
759 | /* compute slave's gid block */ | |
760 | smp->attr_mod = cpu_to_be32(slave / 8); | |
761 | /* execute cmd */ | |
762 | err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, | |
763 | vhcr->in_modifier, vhcr->op_modifier, | |
764 | vhcr->op, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); | |
765 | if (!err) { | |
766 | /* if needed, move slave gid to index 0 */ | |
767 | if (slave % 8) | |
768 | memcpy(outsmp->data, | |
769 | outsmp->data + (slave % 8) * 8, 8); | |
770 | /* delete all other gids */ | |
771 | memset(outsmp->data + 8, 0, 56); | |
772 | } | |
773 | return err; | |
774 | } | |
afa8fd1d JM |
775 | if (smp->attr_id == IB_SMP_ATTR_NODE_INFO) { |
776 | err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, | |
777 | vhcr->in_modifier, vhcr->op_modifier, | |
778 | vhcr->op, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); | |
779 | if (!err) { | |
780 | slave_node_guid = mlx4_get_slave_node_guid(dev, slave); | |
781 | memcpy(outsmp->data + 12, &slave_node_guid, 8); | |
782 | } | |
783 | return err; | |
784 | } | |
0a9a0188 JM |
785 | } |
786 | } | |
787 | if (slave != mlx4_master_func_num(dev) && | |
788 | ((smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) || | |
789 | (smp->mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED && | |
790 | smp->method == IB_MGMT_METHOD_SET))) { | |
791 | mlx4_err(dev, "slave %d is trying to execute a Subnet MGMT MAD, " | |
792 | "class 0x%x, method 0x%x for attr 0x%x. Rejecting\n", | |
793 | slave, smp->method, smp->mgmt_class, | |
794 | be16_to_cpu(smp->attr_id)); | |
795 | return -EPERM; | |
796 | } | |
797 | /*default:*/ | |
798 | return mlx4_cmd_box(dev, inbox->dma, outbox->dma, | |
799 | vhcr->in_modifier, vhcr->op_modifier, | |
800 | vhcr->op, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); | |
801 | } | |
802 | ||
f094668c | 803 | static int MLX4_CMD_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave, |
b01978ca JM |
804 | struct mlx4_vhcr *vhcr, |
805 | struct mlx4_cmd_mailbox *inbox, | |
806 | struct mlx4_cmd_mailbox *outbox, | |
807 | struct mlx4_cmd_info *cmd) | |
808 | { | |
809 | return -EPERM; | |
810 | } | |
811 | ||
f094668c | 812 | static int MLX4_CMD_GET_OP_REQ_wrapper(struct mlx4_dev *dev, int slave, |
fe6f700d YP |
813 | struct mlx4_vhcr *vhcr, |
814 | struct mlx4_cmd_mailbox *inbox, | |
815 | struct mlx4_cmd_mailbox *outbox, | |
816 | struct mlx4_cmd_info *cmd) | |
817 | { | |
818 | return -EPERM; | |
819 | } | |
820 | ||
e8f081aa YP |
821 | int mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave, |
822 | struct mlx4_vhcr *vhcr, | |
823 | struct mlx4_cmd_mailbox *inbox, | |
824 | struct mlx4_cmd_mailbox *outbox, | |
825 | struct mlx4_cmd_info *cmd) | |
826 | { | |
827 | u64 in_param; | |
828 | u64 out_param; | |
829 | int err; | |
830 | ||
831 | in_param = cmd->has_inbox ? (u64) inbox->dma : vhcr->in_param; | |
832 | out_param = cmd->has_outbox ? (u64) outbox->dma : vhcr->out_param; | |
833 | if (cmd->encode_slave_id) { | |
834 | in_param &= 0xffffffffffffff00ll; | |
835 | in_param |= slave; | |
836 | } | |
837 | ||
838 | err = __mlx4_cmd(dev, in_param, &out_param, cmd->out_is_imm, | |
839 | vhcr->in_modifier, vhcr->op_modifier, vhcr->op, | |
840 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
841 | ||
842 | if (cmd->out_is_imm) | |
843 | vhcr->out_param = out_param; | |
844 | ||
845 | return err; | |
846 | } | |
847 | ||
848 | static struct mlx4_cmd_info cmd_info[] = { | |
849 | { | |
850 | .opcode = MLX4_CMD_QUERY_FW, | |
851 | .has_inbox = false, | |
852 | .has_outbox = true, | |
853 | .out_is_imm = false, | |
854 | .encode_slave_id = false, | |
855 | .verify = NULL, | |
b91cb3eb | 856 | .wrapper = mlx4_QUERY_FW_wrapper |
e8f081aa YP |
857 | }, |
858 | { | |
859 | .opcode = MLX4_CMD_QUERY_HCA, | |
860 | .has_inbox = false, | |
861 | .has_outbox = true, | |
862 | .out_is_imm = false, | |
863 | .encode_slave_id = false, | |
864 | .verify = NULL, | |
865 | .wrapper = NULL | |
866 | }, | |
867 | { | |
868 | .opcode = MLX4_CMD_QUERY_DEV_CAP, | |
869 | .has_inbox = false, | |
870 | .has_outbox = true, | |
871 | .out_is_imm = false, | |
872 | .encode_slave_id = false, | |
873 | .verify = NULL, | |
b91cb3eb | 874 | .wrapper = mlx4_QUERY_DEV_CAP_wrapper |
e8f081aa | 875 | }, |
c82e9aa0 EC |
876 | { |
877 | .opcode = MLX4_CMD_QUERY_FUNC_CAP, | |
878 | .has_inbox = false, | |
879 | .has_outbox = true, | |
880 | .out_is_imm = false, | |
881 | .encode_slave_id = false, | |
882 | .verify = NULL, | |
883 | .wrapper = mlx4_QUERY_FUNC_CAP_wrapper | |
884 | }, | |
885 | { | |
886 | .opcode = MLX4_CMD_QUERY_ADAPTER, | |
887 | .has_inbox = false, | |
888 | .has_outbox = true, | |
889 | .out_is_imm = false, | |
890 | .encode_slave_id = false, | |
891 | .verify = NULL, | |
892 | .wrapper = NULL | |
893 | }, | |
894 | { | |
895 | .opcode = MLX4_CMD_INIT_PORT, | |
896 | .has_inbox = false, | |
897 | .has_outbox = false, | |
898 | .out_is_imm = false, | |
899 | .encode_slave_id = false, | |
900 | .verify = NULL, | |
901 | .wrapper = mlx4_INIT_PORT_wrapper | |
902 | }, | |
903 | { | |
904 | .opcode = MLX4_CMD_CLOSE_PORT, | |
905 | .has_inbox = false, | |
906 | .has_outbox = false, | |
907 | .out_is_imm = false, | |
908 | .encode_slave_id = false, | |
909 | .verify = NULL, | |
910 | .wrapper = mlx4_CLOSE_PORT_wrapper | |
911 | }, | |
912 | { | |
913 | .opcode = MLX4_CMD_QUERY_PORT, | |
914 | .has_inbox = false, | |
915 | .has_outbox = true, | |
916 | .out_is_imm = false, | |
917 | .encode_slave_id = false, | |
918 | .verify = NULL, | |
919 | .wrapper = mlx4_QUERY_PORT_wrapper | |
920 | }, | |
ffe455ad EE |
921 | { |
922 | .opcode = MLX4_CMD_SET_PORT, | |
923 | .has_inbox = true, | |
924 | .has_outbox = false, | |
925 | .out_is_imm = false, | |
926 | .encode_slave_id = false, | |
927 | .verify = NULL, | |
928 | .wrapper = mlx4_SET_PORT_wrapper | |
929 | }, | |
c82e9aa0 EC |
930 | { |
931 | .opcode = MLX4_CMD_MAP_EQ, | |
932 | .has_inbox = false, | |
933 | .has_outbox = false, | |
934 | .out_is_imm = false, | |
935 | .encode_slave_id = false, | |
936 | .verify = NULL, | |
937 | .wrapper = mlx4_MAP_EQ_wrapper | |
938 | }, | |
939 | { | |
940 | .opcode = MLX4_CMD_SW2HW_EQ, | |
941 | .has_inbox = true, | |
942 | .has_outbox = false, | |
943 | .out_is_imm = false, | |
944 | .encode_slave_id = true, | |
945 | .verify = NULL, | |
946 | .wrapper = mlx4_SW2HW_EQ_wrapper | |
947 | }, | |
948 | { | |
949 | .opcode = MLX4_CMD_HW_HEALTH_CHECK, | |
950 | .has_inbox = false, | |
951 | .has_outbox = false, | |
952 | .out_is_imm = false, | |
953 | .encode_slave_id = false, | |
954 | .verify = NULL, | |
955 | .wrapper = NULL | |
956 | }, | |
957 | { | |
958 | .opcode = MLX4_CMD_NOP, | |
959 | .has_inbox = false, | |
960 | .has_outbox = false, | |
961 | .out_is_imm = false, | |
962 | .encode_slave_id = false, | |
963 | .verify = NULL, | |
964 | .wrapper = NULL | |
965 | }, | |
966 | { | |
967 | .opcode = MLX4_CMD_ALLOC_RES, | |
968 | .has_inbox = false, | |
969 | .has_outbox = false, | |
970 | .out_is_imm = true, | |
971 | .encode_slave_id = false, | |
972 | .verify = NULL, | |
973 | .wrapper = mlx4_ALLOC_RES_wrapper | |
974 | }, | |
975 | { | |
976 | .opcode = MLX4_CMD_FREE_RES, | |
977 | .has_inbox = false, | |
978 | .has_outbox = false, | |
979 | .out_is_imm = false, | |
980 | .encode_slave_id = false, | |
981 | .verify = NULL, | |
982 | .wrapper = mlx4_FREE_RES_wrapper | |
983 | }, | |
984 | { | |
985 | .opcode = MLX4_CMD_SW2HW_MPT, | |
986 | .has_inbox = true, | |
987 | .has_outbox = false, | |
988 | .out_is_imm = false, | |
989 | .encode_slave_id = true, | |
990 | .verify = NULL, | |
991 | .wrapper = mlx4_SW2HW_MPT_wrapper | |
992 | }, | |
993 | { | |
994 | .opcode = MLX4_CMD_QUERY_MPT, | |
995 | .has_inbox = false, | |
996 | .has_outbox = true, | |
997 | .out_is_imm = false, | |
998 | .encode_slave_id = false, | |
999 | .verify = NULL, | |
1000 | .wrapper = mlx4_QUERY_MPT_wrapper | |
1001 | }, | |
1002 | { | |
1003 | .opcode = MLX4_CMD_HW2SW_MPT, | |
1004 | .has_inbox = false, | |
1005 | .has_outbox = false, | |
1006 | .out_is_imm = false, | |
1007 | .encode_slave_id = false, | |
1008 | .verify = NULL, | |
1009 | .wrapper = mlx4_HW2SW_MPT_wrapper | |
1010 | }, | |
1011 | { | |
1012 | .opcode = MLX4_CMD_READ_MTT, | |
1013 | .has_inbox = false, | |
1014 | .has_outbox = true, | |
1015 | .out_is_imm = false, | |
1016 | .encode_slave_id = false, | |
1017 | .verify = NULL, | |
1018 | .wrapper = NULL | |
1019 | }, | |
1020 | { | |
1021 | .opcode = MLX4_CMD_WRITE_MTT, | |
1022 | .has_inbox = true, | |
1023 | .has_outbox = false, | |
1024 | .out_is_imm = false, | |
1025 | .encode_slave_id = false, | |
1026 | .verify = NULL, | |
1027 | .wrapper = mlx4_WRITE_MTT_wrapper | |
1028 | }, | |
1029 | { | |
1030 | .opcode = MLX4_CMD_SYNC_TPT, | |
1031 | .has_inbox = true, | |
1032 | .has_outbox = false, | |
1033 | .out_is_imm = false, | |
1034 | .encode_slave_id = false, | |
1035 | .verify = NULL, | |
1036 | .wrapper = NULL | |
1037 | }, | |
1038 | { | |
1039 | .opcode = MLX4_CMD_HW2SW_EQ, | |
1040 | .has_inbox = false, | |
1041 | .has_outbox = true, | |
1042 | .out_is_imm = false, | |
1043 | .encode_slave_id = true, | |
1044 | .verify = NULL, | |
1045 | .wrapper = mlx4_HW2SW_EQ_wrapper | |
1046 | }, | |
1047 | { | |
1048 | .opcode = MLX4_CMD_QUERY_EQ, | |
1049 | .has_inbox = false, | |
1050 | .has_outbox = true, | |
1051 | .out_is_imm = false, | |
1052 | .encode_slave_id = true, | |
1053 | .verify = NULL, | |
1054 | .wrapper = mlx4_QUERY_EQ_wrapper | |
1055 | }, | |
1056 | { | |
1057 | .opcode = MLX4_CMD_SW2HW_CQ, | |
1058 | .has_inbox = true, | |
1059 | .has_outbox = false, | |
1060 | .out_is_imm = false, | |
1061 | .encode_slave_id = true, | |
1062 | .verify = NULL, | |
1063 | .wrapper = mlx4_SW2HW_CQ_wrapper | |
1064 | }, | |
1065 | { | |
1066 | .opcode = MLX4_CMD_HW2SW_CQ, | |
1067 | .has_inbox = false, | |
1068 | .has_outbox = false, | |
1069 | .out_is_imm = false, | |
1070 | .encode_slave_id = false, | |
1071 | .verify = NULL, | |
1072 | .wrapper = mlx4_HW2SW_CQ_wrapper | |
1073 | }, | |
1074 | { | |
1075 | .opcode = MLX4_CMD_QUERY_CQ, | |
1076 | .has_inbox = false, | |
1077 | .has_outbox = true, | |
1078 | .out_is_imm = false, | |
1079 | .encode_slave_id = false, | |
1080 | .verify = NULL, | |
1081 | .wrapper = mlx4_QUERY_CQ_wrapper | |
1082 | }, | |
1083 | { | |
1084 | .opcode = MLX4_CMD_MODIFY_CQ, | |
1085 | .has_inbox = true, | |
1086 | .has_outbox = false, | |
1087 | .out_is_imm = true, | |
1088 | .encode_slave_id = false, | |
1089 | .verify = NULL, | |
1090 | .wrapper = mlx4_MODIFY_CQ_wrapper | |
1091 | }, | |
1092 | { | |
1093 | .opcode = MLX4_CMD_SW2HW_SRQ, | |
1094 | .has_inbox = true, | |
1095 | .has_outbox = false, | |
1096 | .out_is_imm = false, | |
1097 | .encode_slave_id = true, | |
1098 | .verify = NULL, | |
1099 | .wrapper = mlx4_SW2HW_SRQ_wrapper | |
1100 | }, | |
1101 | { | |
1102 | .opcode = MLX4_CMD_HW2SW_SRQ, | |
1103 | .has_inbox = false, | |
1104 | .has_outbox = false, | |
1105 | .out_is_imm = false, | |
1106 | .encode_slave_id = false, | |
1107 | .verify = NULL, | |
1108 | .wrapper = mlx4_HW2SW_SRQ_wrapper | |
1109 | }, | |
1110 | { | |
1111 | .opcode = MLX4_CMD_QUERY_SRQ, | |
1112 | .has_inbox = false, | |
1113 | .has_outbox = true, | |
1114 | .out_is_imm = false, | |
1115 | .encode_slave_id = false, | |
1116 | .verify = NULL, | |
1117 | .wrapper = mlx4_QUERY_SRQ_wrapper | |
1118 | }, | |
1119 | { | |
1120 | .opcode = MLX4_CMD_ARM_SRQ, | |
1121 | .has_inbox = false, | |
1122 | .has_outbox = false, | |
1123 | .out_is_imm = false, | |
1124 | .encode_slave_id = false, | |
1125 | .verify = NULL, | |
1126 | .wrapper = mlx4_ARM_SRQ_wrapper | |
1127 | }, | |
1128 | { | |
1129 | .opcode = MLX4_CMD_RST2INIT_QP, | |
1130 | .has_inbox = true, | |
1131 | .has_outbox = false, | |
1132 | .out_is_imm = false, | |
1133 | .encode_slave_id = true, | |
1134 | .verify = NULL, | |
1135 | .wrapper = mlx4_RST2INIT_QP_wrapper | |
1136 | }, | |
1137 | { | |
1138 | .opcode = MLX4_CMD_INIT2INIT_QP, | |
1139 | .has_inbox = true, | |
1140 | .has_outbox = false, | |
1141 | .out_is_imm = false, | |
1142 | .encode_slave_id = false, | |
1143 | .verify = NULL, | |
54679e14 | 1144 | .wrapper = mlx4_INIT2INIT_QP_wrapper |
c82e9aa0 EC |
1145 | }, |
1146 | { | |
1147 | .opcode = MLX4_CMD_INIT2RTR_QP, | |
1148 | .has_inbox = true, | |
1149 | .has_outbox = false, | |
1150 | .out_is_imm = false, | |
1151 | .encode_slave_id = false, | |
1152 | .verify = NULL, | |
1153 | .wrapper = mlx4_INIT2RTR_QP_wrapper | |
1154 | }, | |
1155 | { | |
1156 | .opcode = MLX4_CMD_RTR2RTS_QP, | |
1157 | .has_inbox = true, | |
1158 | .has_outbox = false, | |
1159 | .out_is_imm = false, | |
1160 | .encode_slave_id = false, | |
1161 | .verify = NULL, | |
54679e14 | 1162 | .wrapper = mlx4_RTR2RTS_QP_wrapper |
c82e9aa0 EC |
1163 | }, |
1164 | { | |
1165 | .opcode = MLX4_CMD_RTS2RTS_QP, | |
1166 | .has_inbox = true, | |
1167 | .has_outbox = false, | |
1168 | .out_is_imm = false, | |
1169 | .encode_slave_id = false, | |
1170 | .verify = NULL, | |
54679e14 | 1171 | .wrapper = mlx4_RTS2RTS_QP_wrapper |
c82e9aa0 EC |
1172 | }, |
1173 | { | |
1174 | .opcode = MLX4_CMD_SQERR2RTS_QP, | |
1175 | .has_inbox = true, | |
1176 | .has_outbox = false, | |
1177 | .out_is_imm = false, | |
1178 | .encode_slave_id = false, | |
1179 | .verify = NULL, | |
54679e14 | 1180 | .wrapper = mlx4_SQERR2RTS_QP_wrapper |
c82e9aa0 EC |
1181 | }, |
1182 | { | |
1183 | .opcode = MLX4_CMD_2ERR_QP, | |
1184 | .has_inbox = false, | |
1185 | .has_outbox = false, | |
1186 | .out_is_imm = false, | |
1187 | .encode_slave_id = false, | |
1188 | .verify = NULL, | |
1189 | .wrapper = mlx4_GEN_QP_wrapper | |
1190 | }, | |
1191 | { | |
1192 | .opcode = MLX4_CMD_RTS2SQD_QP, | |
1193 | .has_inbox = false, | |
1194 | .has_outbox = false, | |
1195 | .out_is_imm = false, | |
1196 | .encode_slave_id = false, | |
1197 | .verify = NULL, | |
1198 | .wrapper = mlx4_GEN_QP_wrapper | |
1199 | }, | |
1200 | { | |
1201 | .opcode = MLX4_CMD_SQD2SQD_QP, | |
1202 | .has_inbox = true, | |
1203 | .has_outbox = false, | |
1204 | .out_is_imm = false, | |
1205 | .encode_slave_id = false, | |
1206 | .verify = NULL, | |
54679e14 | 1207 | .wrapper = mlx4_SQD2SQD_QP_wrapper |
c82e9aa0 EC |
1208 | }, |
1209 | { | |
1210 | .opcode = MLX4_CMD_SQD2RTS_QP, | |
1211 | .has_inbox = true, | |
1212 | .has_outbox = false, | |
1213 | .out_is_imm = false, | |
1214 | .encode_slave_id = false, | |
1215 | .verify = NULL, | |
54679e14 | 1216 | .wrapper = mlx4_SQD2RTS_QP_wrapper |
c82e9aa0 EC |
1217 | }, |
1218 | { | |
1219 | .opcode = MLX4_CMD_2RST_QP, | |
1220 | .has_inbox = false, | |
1221 | .has_outbox = false, | |
1222 | .out_is_imm = false, | |
1223 | .encode_slave_id = false, | |
1224 | .verify = NULL, | |
1225 | .wrapper = mlx4_2RST_QP_wrapper | |
1226 | }, | |
1227 | { | |
1228 | .opcode = MLX4_CMD_QUERY_QP, | |
1229 | .has_inbox = false, | |
1230 | .has_outbox = true, | |
1231 | .out_is_imm = false, | |
1232 | .encode_slave_id = false, | |
1233 | .verify = NULL, | |
1234 | .wrapper = mlx4_GEN_QP_wrapper | |
1235 | }, | |
1236 | { | |
1237 | .opcode = MLX4_CMD_SUSPEND_QP, | |
1238 | .has_inbox = false, | |
1239 | .has_outbox = false, | |
1240 | .out_is_imm = false, | |
1241 | .encode_slave_id = false, | |
1242 | .verify = NULL, | |
1243 | .wrapper = mlx4_GEN_QP_wrapper | |
1244 | }, | |
1245 | { | |
1246 | .opcode = MLX4_CMD_UNSUSPEND_QP, | |
1247 | .has_inbox = false, | |
1248 | .has_outbox = false, | |
1249 | .out_is_imm = false, | |
1250 | .encode_slave_id = false, | |
1251 | .verify = NULL, | |
1252 | .wrapper = mlx4_GEN_QP_wrapper | |
1253 | }, | |
b01978ca JM |
1254 | { |
1255 | .opcode = MLX4_CMD_UPDATE_QP, | |
1256 | .has_inbox = false, | |
1257 | .has_outbox = false, | |
1258 | .out_is_imm = false, | |
1259 | .encode_slave_id = false, | |
1260 | .verify = NULL, | |
1261 | .wrapper = MLX4_CMD_UPDATE_QP_wrapper | |
1262 | }, | |
fe6f700d YP |
1263 | { |
1264 | .opcode = MLX4_CMD_GET_OP_REQ, | |
1265 | .has_inbox = false, | |
1266 | .has_outbox = false, | |
1267 | .out_is_imm = false, | |
1268 | .encode_slave_id = false, | |
1269 | .verify = NULL, | |
1270 | .wrapper = MLX4_CMD_GET_OP_REQ_wrapper, | |
1271 | }, | |
0a9a0188 JM |
1272 | { |
1273 | .opcode = MLX4_CMD_CONF_SPECIAL_QP, | |
1274 | .has_inbox = false, | |
1275 | .has_outbox = false, | |
1276 | .out_is_imm = false, | |
1277 | .encode_slave_id = false, | |
1278 | .verify = NULL, /* XXX verify: only demux can do this */ | |
1279 | .wrapper = NULL | |
1280 | }, | |
1281 | { | |
1282 | .opcode = MLX4_CMD_MAD_IFC, | |
1283 | .has_inbox = true, | |
1284 | .has_outbox = true, | |
1285 | .out_is_imm = false, | |
1286 | .encode_slave_id = false, | |
1287 | .verify = NULL, | |
1288 | .wrapper = mlx4_MAD_IFC_wrapper | |
1289 | }, | |
c82e9aa0 EC |
1290 | { |
1291 | .opcode = MLX4_CMD_QUERY_IF_STAT, | |
1292 | .has_inbox = false, | |
1293 | .has_outbox = true, | |
1294 | .out_is_imm = false, | |
1295 | .encode_slave_id = false, | |
1296 | .verify = NULL, | |
1297 | .wrapper = mlx4_QUERY_IF_STAT_wrapper | |
1298 | }, | |
1299 | /* Native multicast commands are not available for guests */ | |
1300 | { | |
1301 | .opcode = MLX4_CMD_QP_ATTACH, | |
1302 | .has_inbox = true, | |
1303 | .has_outbox = false, | |
1304 | .out_is_imm = false, | |
1305 | .encode_slave_id = false, | |
1306 | .verify = NULL, | |
1307 | .wrapper = mlx4_QP_ATTACH_wrapper | |
1308 | }, | |
0ec2c0f8 EE |
1309 | { |
1310 | .opcode = MLX4_CMD_PROMISC, | |
1311 | .has_inbox = false, | |
1312 | .has_outbox = false, | |
1313 | .out_is_imm = false, | |
1314 | .encode_slave_id = false, | |
1315 | .verify = NULL, | |
1316 | .wrapper = mlx4_PROMISC_wrapper | |
1317 | }, | |
ffe455ad EE |
1318 | /* Ethernet specific commands */ |
1319 | { | |
1320 | .opcode = MLX4_CMD_SET_VLAN_FLTR, | |
1321 | .has_inbox = true, | |
1322 | .has_outbox = false, | |
1323 | .out_is_imm = false, | |
1324 | .encode_slave_id = false, | |
1325 | .verify = NULL, | |
1326 | .wrapper = mlx4_SET_VLAN_FLTR_wrapper | |
1327 | }, | |
1328 | { | |
1329 | .opcode = MLX4_CMD_SET_MCAST_FLTR, | |
1330 | .has_inbox = false, | |
1331 | .has_outbox = false, | |
1332 | .out_is_imm = false, | |
1333 | .encode_slave_id = false, | |
1334 | .verify = NULL, | |
1335 | .wrapper = mlx4_SET_MCAST_FLTR_wrapper | |
1336 | }, | |
1337 | { | |
1338 | .opcode = MLX4_CMD_DUMP_ETH_STATS, | |
1339 | .has_inbox = false, | |
1340 | .has_outbox = true, | |
1341 | .out_is_imm = false, | |
1342 | .encode_slave_id = false, | |
1343 | .verify = NULL, | |
1344 | .wrapper = mlx4_DUMP_ETH_STATS_wrapper | |
1345 | }, | |
c82e9aa0 EC |
1346 | { |
1347 | .opcode = MLX4_CMD_INFORM_FLR_DONE, | |
1348 | .has_inbox = false, | |
1349 | .has_outbox = false, | |
1350 | .out_is_imm = false, | |
1351 | .encode_slave_id = false, | |
1352 | .verify = NULL, | |
1353 | .wrapper = NULL | |
1354 | }, | |
8fcfb4db HHZ |
1355 | /* flow steering commands */ |
1356 | { | |
1357 | .opcode = MLX4_QP_FLOW_STEERING_ATTACH, | |
1358 | .has_inbox = true, | |
1359 | .has_outbox = false, | |
1360 | .out_is_imm = true, | |
1361 | .encode_slave_id = false, | |
1362 | .verify = NULL, | |
1363 | .wrapper = mlx4_QP_FLOW_STEERING_ATTACH_wrapper | |
1364 | }, | |
1365 | { | |
1366 | .opcode = MLX4_QP_FLOW_STEERING_DETACH, | |
1367 | .has_inbox = false, | |
1368 | .has_outbox = false, | |
1369 | .out_is_imm = false, | |
1370 | .encode_slave_id = false, | |
1371 | .verify = NULL, | |
1372 | .wrapper = mlx4_QP_FLOW_STEERING_DETACH_wrapper | |
1373 | }, | |
4de65803 MB |
1374 | { |
1375 | .opcode = MLX4_FLOW_STEERING_IB_UC_QP_RANGE, | |
1376 | .has_inbox = false, | |
1377 | .has_outbox = false, | |
1378 | .out_is_imm = false, | |
1379 | .encode_slave_id = false, | |
1380 | .verify = NULL, | |
1381 | .wrapper = mlx4_FLOW_STEERING_IB_UC_QP_RANGE_wrapper | |
1382 | }, | |
e8f081aa YP |
1383 | }; |
1384 | ||
1385 | static int mlx4_master_process_vhcr(struct mlx4_dev *dev, int slave, | |
1386 | struct mlx4_vhcr_cmd *in_vhcr) | |
1387 | { | |
1388 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1389 | struct mlx4_cmd_info *cmd = NULL; | |
1390 | struct mlx4_vhcr_cmd *vhcr_cmd = in_vhcr ? in_vhcr : priv->mfunc.vhcr; | |
1391 | struct mlx4_vhcr *vhcr; | |
1392 | struct mlx4_cmd_mailbox *inbox = NULL; | |
1393 | struct mlx4_cmd_mailbox *outbox = NULL; | |
1394 | u64 in_param; | |
1395 | u64 out_param; | |
1396 | int ret = 0; | |
1397 | int i; | |
72be84f1 | 1398 | int err = 0; |
e8f081aa YP |
1399 | |
1400 | /* Create sw representation of Virtual HCR */ | |
1401 | vhcr = kzalloc(sizeof(struct mlx4_vhcr), GFP_KERNEL); | |
1402 | if (!vhcr) | |
1403 | return -ENOMEM; | |
1404 | ||
1405 | /* DMA in the vHCR */ | |
1406 | if (!in_vhcr) { | |
1407 | ret = mlx4_ACCESS_MEM(dev, priv->mfunc.vhcr_dma, slave, | |
1408 | priv->mfunc.master.slave_state[slave].vhcr_dma, | |
1409 | ALIGN(sizeof(struct mlx4_vhcr_cmd), | |
1410 | MLX4_ACCESS_MEM_ALIGN), 1); | |
1411 | if (ret) { | |
1412 | mlx4_err(dev, "%s:Failed reading vhcr" | |
1413 | "ret: 0x%x\n", __func__, ret); | |
1414 | kfree(vhcr); | |
1415 | return ret; | |
1416 | } | |
1417 | } | |
1418 | ||
1419 | /* Fill SW VHCR fields */ | |
1420 | vhcr->in_param = be64_to_cpu(vhcr_cmd->in_param); | |
1421 | vhcr->out_param = be64_to_cpu(vhcr_cmd->out_param); | |
1422 | vhcr->in_modifier = be32_to_cpu(vhcr_cmd->in_modifier); | |
1423 | vhcr->token = be16_to_cpu(vhcr_cmd->token); | |
1424 | vhcr->op = be16_to_cpu(vhcr_cmd->opcode) & 0xfff; | |
1425 | vhcr->op_modifier = (u8) (be16_to_cpu(vhcr_cmd->opcode) >> 12); | |
1426 | vhcr->e_bit = vhcr_cmd->flags & (1 << 6); | |
1427 | ||
1428 | /* Lookup command */ | |
1429 | for (i = 0; i < ARRAY_SIZE(cmd_info); ++i) { | |
1430 | if (vhcr->op == cmd_info[i].opcode) { | |
1431 | cmd = &cmd_info[i]; | |
1432 | break; | |
1433 | } | |
1434 | } | |
1435 | if (!cmd) { | |
1436 | mlx4_err(dev, "Unknown command:0x%x accepted from slave:%d\n", | |
1437 | vhcr->op, slave); | |
72be84f1 | 1438 | vhcr_cmd->status = CMD_STAT_BAD_PARAM; |
e8f081aa YP |
1439 | goto out_status; |
1440 | } | |
1441 | ||
1442 | /* Read inbox */ | |
1443 | if (cmd->has_inbox) { | |
1444 | vhcr->in_param &= INBOX_MASK; | |
1445 | inbox = mlx4_alloc_cmd_mailbox(dev); | |
1446 | if (IS_ERR(inbox)) { | |
72be84f1 | 1447 | vhcr_cmd->status = CMD_STAT_BAD_SIZE; |
e8f081aa | 1448 | inbox = NULL; |
72be84f1 | 1449 | goto out_status; |
e8f081aa YP |
1450 | } |
1451 | ||
72be84f1 YP |
1452 | if (mlx4_ACCESS_MEM(dev, inbox->dma, slave, |
1453 | vhcr->in_param, | |
1454 | MLX4_MAILBOX_SIZE, 1)) { | |
e8f081aa YP |
1455 | mlx4_err(dev, "%s: Failed reading inbox (cmd:0x%x)\n", |
1456 | __func__, cmd->opcode); | |
72be84f1 YP |
1457 | vhcr_cmd->status = CMD_STAT_INTERNAL_ERR; |
1458 | goto out_status; | |
e8f081aa YP |
1459 | } |
1460 | } | |
1461 | ||
1462 | /* Apply permission and bound checks if applicable */ | |
1463 | if (cmd->verify && cmd->verify(dev, slave, vhcr, inbox)) { | |
1464 | mlx4_warn(dev, "Command:0x%x from slave: %d failed protection " | |
1465 | "checks for resource_id:%d\n", vhcr->op, slave, | |
1466 | vhcr->in_modifier); | |
72be84f1 | 1467 | vhcr_cmd->status = CMD_STAT_BAD_OP; |
e8f081aa YP |
1468 | goto out_status; |
1469 | } | |
1470 | ||
1471 | /* Allocate outbox */ | |
1472 | if (cmd->has_outbox) { | |
1473 | outbox = mlx4_alloc_cmd_mailbox(dev); | |
1474 | if (IS_ERR(outbox)) { | |
72be84f1 | 1475 | vhcr_cmd->status = CMD_STAT_BAD_SIZE; |
e8f081aa | 1476 | outbox = NULL; |
72be84f1 | 1477 | goto out_status; |
e8f081aa YP |
1478 | } |
1479 | } | |
1480 | ||
1481 | /* Execute the command! */ | |
1482 | if (cmd->wrapper) { | |
72be84f1 YP |
1483 | err = cmd->wrapper(dev, slave, vhcr, inbox, outbox, |
1484 | cmd); | |
e8f081aa YP |
1485 | if (cmd->out_is_imm) |
1486 | vhcr_cmd->out_param = cpu_to_be64(vhcr->out_param); | |
1487 | } else { | |
1488 | in_param = cmd->has_inbox ? (u64) inbox->dma : | |
1489 | vhcr->in_param; | |
1490 | out_param = cmd->has_outbox ? (u64) outbox->dma : | |
1491 | vhcr->out_param; | |
72be84f1 YP |
1492 | err = __mlx4_cmd(dev, in_param, &out_param, |
1493 | cmd->out_is_imm, vhcr->in_modifier, | |
1494 | vhcr->op_modifier, vhcr->op, | |
1495 | MLX4_CMD_TIME_CLASS_A, | |
1496 | MLX4_CMD_NATIVE); | |
e8f081aa YP |
1497 | |
1498 | if (cmd->out_is_imm) { | |
1499 | vhcr->out_param = out_param; | |
1500 | vhcr_cmd->out_param = cpu_to_be64(vhcr->out_param); | |
1501 | } | |
1502 | } | |
1503 | ||
72be84f1 YP |
1504 | if (err) { |
1505 | mlx4_warn(dev, "vhcr command:0x%x slave:%d failed with" | |
1506 | " error:%d, status %d\n", | |
1507 | vhcr->op, slave, vhcr->errno, err); | |
1508 | vhcr_cmd->status = mlx4_errno_to_status(err); | |
1509 | goto out_status; | |
1510 | } | |
1511 | ||
1512 | ||
e8f081aa | 1513 | /* Write outbox if command completed successfully */ |
72be84f1 | 1514 | if (cmd->has_outbox && !vhcr_cmd->status) { |
e8f081aa YP |
1515 | ret = mlx4_ACCESS_MEM(dev, outbox->dma, slave, |
1516 | vhcr->out_param, | |
1517 | MLX4_MAILBOX_SIZE, MLX4_CMD_WRAPPED); | |
1518 | if (ret) { | |
72be84f1 YP |
1519 | /* If we failed to write back the outbox after the |
1520 | *command was successfully executed, we must fail this | |
1521 | * slave, as it is now in undefined state */ | |
e8f081aa YP |
1522 | mlx4_err(dev, "%s:Failed writing outbox\n", __func__); |
1523 | goto out; | |
1524 | } | |
1525 | } | |
1526 | ||
1527 | out_status: | |
1528 | /* DMA back vhcr result */ | |
1529 | if (!in_vhcr) { | |
1530 | ret = mlx4_ACCESS_MEM(dev, priv->mfunc.vhcr_dma, slave, | |
1531 | priv->mfunc.master.slave_state[slave].vhcr_dma, | |
1532 | ALIGN(sizeof(struct mlx4_vhcr), | |
1533 | MLX4_ACCESS_MEM_ALIGN), | |
1534 | MLX4_CMD_WRAPPED); | |
1535 | if (ret) | |
1536 | mlx4_err(dev, "%s:Failed writing vhcr result\n", | |
1537 | __func__); | |
1538 | else if (vhcr->e_bit && | |
1539 | mlx4_GEN_EQE(dev, slave, &priv->mfunc.master.cmd_eqe)) | |
1540 | mlx4_warn(dev, "Failed to generate command completion " | |
1541 | "eqe for slave %d\n", slave); | |
1542 | } | |
1543 | ||
1544 | out: | |
1545 | kfree(vhcr); | |
1546 | mlx4_free_cmd_mailbox(dev, inbox); | |
1547 | mlx4_free_cmd_mailbox(dev, outbox); | |
1548 | return ret; | |
1549 | } | |
1550 | ||
f094668c | 1551 | static int mlx4_master_immediate_activate_vlan_qos(struct mlx4_priv *priv, |
b01978ca JM |
1552 | int slave, int port) |
1553 | { | |
1554 | struct mlx4_vport_oper_state *vp_oper; | |
1555 | struct mlx4_vport_state *vp_admin; | |
1556 | struct mlx4_vf_immed_vlan_work *work; | |
0a6eac24 | 1557 | struct mlx4_dev *dev = &(priv->dev); |
b01978ca JM |
1558 | int err; |
1559 | int admin_vlan_ix = NO_INDX; | |
1560 | ||
1561 | vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; | |
1562 | vp_admin = &priv->mfunc.master.vf_admin[slave].vport[port]; | |
1563 | ||
1564 | if (vp_oper->state.default_vlan == vp_admin->default_vlan && | |
0a6eac24 RE |
1565 | vp_oper->state.default_qos == vp_admin->default_qos && |
1566 | vp_oper->state.link_state == vp_admin->link_state) | |
b01978ca JM |
1567 | return 0; |
1568 | ||
0a6eac24 | 1569 | if (!(priv->mfunc.master.slave_state[slave].active && |
f0f829bf | 1570 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_UPDATE_QP)) { |
0a6eac24 RE |
1571 | /* even if the UPDATE_QP command isn't supported, we still want |
1572 | * to set this VF link according to the admin directive | |
1573 | */ | |
1574 | vp_oper->state.link_state = vp_admin->link_state; | |
1575 | return -1; | |
1576 | } | |
1577 | ||
1578 | mlx4_dbg(dev, "updating immediately admin params slave %d port %d\n", | |
1579 | slave, port); | |
1580 | mlx4_dbg(dev, "vlan %d QoS %d link down %d\n", vp_admin->default_vlan, | |
1581 | vp_admin->default_qos, vp_admin->link_state); | |
1582 | ||
b01978ca JM |
1583 | work = kzalloc(sizeof(*work), GFP_KERNEL); |
1584 | if (!work) | |
1585 | return -ENOMEM; | |
1586 | ||
1587 | if (vp_oper->state.default_vlan != vp_admin->default_vlan) { | |
f0f829bf RE |
1588 | if (MLX4_VGT != vp_admin->default_vlan) { |
1589 | err = __mlx4_register_vlan(&priv->dev, port, | |
1590 | vp_admin->default_vlan, | |
1591 | &admin_vlan_ix); | |
1592 | if (err) { | |
1593 | kfree(work); | |
1594 | mlx4_warn((&priv->dev), | |
1595 | "No vlan resources slave %d, port %d\n", | |
1596 | slave, port); | |
1597 | return err; | |
1598 | } | |
1599 | } else { | |
1600 | admin_vlan_ix = NO_INDX; | |
b01978ca JM |
1601 | } |
1602 | work->flags |= MLX4_VF_IMMED_VLAN_FLAG_VLAN; | |
1603 | mlx4_dbg((&(priv->dev)), | |
1604 | "alloc vlan %d idx %d slave %d port %d\n", | |
1605 | (int)(vp_admin->default_vlan), | |
1606 | admin_vlan_ix, slave, port); | |
1607 | } | |
1608 | ||
1609 | /* save original vlan ix and vlan id */ | |
1610 | work->orig_vlan_id = vp_oper->state.default_vlan; | |
1611 | work->orig_vlan_ix = vp_oper->vlan_idx; | |
1612 | ||
1613 | /* handle new qos */ | |
1614 | if (vp_oper->state.default_qos != vp_admin->default_qos) | |
1615 | work->flags |= MLX4_VF_IMMED_VLAN_FLAG_QOS; | |
1616 | ||
1617 | if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_VLAN) | |
1618 | vp_oper->vlan_idx = admin_vlan_ix; | |
1619 | ||
1620 | vp_oper->state.default_vlan = vp_admin->default_vlan; | |
1621 | vp_oper->state.default_qos = vp_admin->default_qos; | |
0a6eac24 RE |
1622 | vp_oper->state.link_state = vp_admin->link_state; |
1623 | ||
1624 | if (vp_admin->link_state == IFLA_VF_LINK_STATE_DISABLE) | |
1625 | work->flags |= MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE; | |
b01978ca JM |
1626 | |
1627 | /* iterate over QPs owned by this slave, using UPDATE_QP */ | |
1628 | work->port = port; | |
1629 | work->slave = slave; | |
1630 | work->qos = vp_oper->state.default_qos; | |
1631 | work->vlan_id = vp_oper->state.default_vlan; | |
1632 | work->vlan_ix = vp_oper->vlan_idx; | |
1633 | work->priv = priv; | |
1634 | INIT_WORK(&work->work, mlx4_vf_immed_vlan_work_handler); | |
1635 | queue_work(priv->mfunc.master.comm_wq, &work->work); | |
1636 | ||
1637 | return 0; | |
1638 | } | |
1639 | ||
1640 | ||
0eb62b93 RE |
1641 | static int mlx4_master_activate_admin_state(struct mlx4_priv *priv, int slave) |
1642 | { | |
3f7fb021 RE |
1643 | int port, err; |
1644 | struct mlx4_vport_state *vp_admin; | |
1645 | struct mlx4_vport_oper_state *vp_oper; | |
1646 | ||
0eb62b93 | 1647 | for (port = 1; port <= MLX4_MAX_PORTS; port++) { |
3f7fb021 RE |
1648 | vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; |
1649 | vp_admin = &priv->mfunc.master.vf_admin[slave].vport[port]; | |
1650 | vp_oper->state = *vp_admin; | |
1651 | if (MLX4_VGT != vp_admin->default_vlan) { | |
1652 | err = __mlx4_register_vlan(&priv->dev, port, | |
1653 | vp_admin->default_vlan, &(vp_oper->vlan_idx)); | |
1654 | if (err) { | |
1655 | vp_oper->vlan_idx = NO_INDX; | |
1656 | mlx4_warn((&priv->dev), | |
1657 | "No vlan resorces slave %d, port %d\n", | |
1658 | slave, port); | |
1659 | return err; | |
1660 | } | |
1661 | mlx4_dbg((&(priv->dev)), "alloc vlan %d idx %d slave %d port %d\n", | |
1662 | (int)(vp_oper->state.default_vlan), | |
1663 | vp_oper->vlan_idx, slave, port); | |
1664 | } | |
e6b6a231 RE |
1665 | if (vp_admin->spoofchk) { |
1666 | vp_oper->mac_idx = __mlx4_register_mac(&priv->dev, | |
1667 | port, | |
1668 | vp_admin->mac); | |
1669 | if (0 > vp_oper->mac_idx) { | |
1670 | err = vp_oper->mac_idx; | |
1671 | vp_oper->mac_idx = NO_INDX; | |
1672 | mlx4_warn((&priv->dev), | |
1673 | "No mac resorces slave %d, port %d\n", | |
1674 | slave, port); | |
1675 | return err; | |
1676 | } | |
1677 | mlx4_dbg((&(priv->dev)), "alloc mac %llx idx %d slave %d port %d\n", | |
1678 | vp_oper->state.mac, vp_oper->mac_idx, slave, port); | |
1679 | } | |
0eb62b93 RE |
1680 | } |
1681 | return 0; | |
1682 | } | |
1683 | ||
3f7fb021 RE |
1684 | static void mlx4_master_deactivate_admin_state(struct mlx4_priv *priv, int slave) |
1685 | { | |
1686 | int port; | |
1687 | struct mlx4_vport_oper_state *vp_oper; | |
1688 | ||
1689 | for (port = 1; port <= MLX4_MAX_PORTS; port++) { | |
1690 | vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; | |
1691 | if (NO_INDX != vp_oper->vlan_idx) { | |
1692 | __mlx4_unregister_vlan(&priv->dev, | |
2009d005 | 1693 | port, vp_oper->state.default_vlan); |
3f7fb021 RE |
1694 | vp_oper->vlan_idx = NO_INDX; |
1695 | } | |
e6b6a231 | 1696 | if (NO_INDX != vp_oper->mac_idx) { |
c32b7dfb | 1697 | __mlx4_unregister_mac(&priv->dev, port, vp_oper->state.mac); |
e6b6a231 RE |
1698 | vp_oper->mac_idx = NO_INDX; |
1699 | } | |
3f7fb021 RE |
1700 | } |
1701 | return; | |
1702 | } | |
1703 | ||
e8f081aa YP |
1704 | static void mlx4_master_do_cmd(struct mlx4_dev *dev, int slave, u8 cmd, |
1705 | u16 param, u8 toggle) | |
1706 | { | |
1707 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1708 | struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state; | |
1709 | u32 reply; | |
e8f081aa | 1710 | u8 is_going_down = 0; |
803143fb | 1711 | int i; |
311f813a | 1712 | unsigned long flags; |
e8f081aa YP |
1713 | |
1714 | slave_state[slave].comm_toggle ^= 1; | |
1715 | reply = (u32) slave_state[slave].comm_toggle << 31; | |
1716 | if (toggle != slave_state[slave].comm_toggle) { | |
1717 | mlx4_warn(dev, "Incorrect toggle %d from slave %d. *** MASTER" | |
1718 | "STATE COMPROMISIED ***\n", toggle, slave); | |
1719 | goto reset_slave; | |
1720 | } | |
1721 | if (cmd == MLX4_COMM_CMD_RESET) { | |
1722 | mlx4_warn(dev, "Received reset from slave:%d\n", slave); | |
1723 | slave_state[slave].active = false; | |
2c957ff2 | 1724 | slave_state[slave].old_vlan_api = false; |
3f7fb021 | 1725 | mlx4_master_deactivate_admin_state(priv, slave); |
803143fb MA |
1726 | for (i = 0; i < MLX4_EVENT_TYPES_NUM; ++i) { |
1727 | slave_state[slave].event_eq[i].eqn = -1; | |
1728 | slave_state[slave].event_eq[i].token = 0; | |
1729 | } | |
e8f081aa YP |
1730 | /*check if we are in the middle of FLR process, |
1731 | if so return "retry" status to the slave*/ | |
162344ed | 1732 | if (MLX4_COMM_CMD_FLR == slave_state[slave].last_cmd) |
e8f081aa | 1733 | goto inform_slave_state; |
e8f081aa | 1734 | |
fc06573d JM |
1735 | mlx4_dispatch_event(dev, MLX4_DEV_EVENT_SLAVE_SHUTDOWN, slave); |
1736 | ||
e8f081aa YP |
1737 | /* write the version in the event field */ |
1738 | reply |= mlx4_comm_get_version(); | |
1739 | ||
1740 | goto reset_slave; | |
1741 | } | |
1742 | /*command from slave in the middle of FLR*/ | |
1743 | if (cmd != MLX4_COMM_CMD_RESET && | |
1744 | MLX4_COMM_CMD_FLR == slave_state[slave].last_cmd) { | |
1745 | mlx4_warn(dev, "slave:%d is Trying to run cmd(0x%x) " | |
1746 | "in the middle of FLR\n", slave, cmd); | |
1747 | return; | |
1748 | } | |
1749 | ||
1750 | switch (cmd) { | |
1751 | case MLX4_COMM_CMD_VHCR0: | |
1752 | if (slave_state[slave].last_cmd != MLX4_COMM_CMD_RESET) | |
1753 | goto reset_slave; | |
1754 | slave_state[slave].vhcr_dma = ((u64) param) << 48; | |
1755 | priv->mfunc.master.slave_state[slave].cookie = 0; | |
1756 | mutex_init(&priv->mfunc.master.gen_eqe_mutex[slave]); | |
1757 | break; | |
1758 | case MLX4_COMM_CMD_VHCR1: | |
1759 | if (slave_state[slave].last_cmd != MLX4_COMM_CMD_VHCR0) | |
1760 | goto reset_slave; | |
1761 | slave_state[slave].vhcr_dma |= ((u64) param) << 32; | |
1762 | break; | |
1763 | case MLX4_COMM_CMD_VHCR2: | |
1764 | if (slave_state[slave].last_cmd != MLX4_COMM_CMD_VHCR1) | |
1765 | goto reset_slave; | |
1766 | slave_state[slave].vhcr_dma |= ((u64) param) << 16; | |
1767 | break; | |
1768 | case MLX4_COMM_CMD_VHCR_EN: | |
1769 | if (slave_state[slave].last_cmd != MLX4_COMM_CMD_VHCR2) | |
1770 | goto reset_slave; | |
1771 | slave_state[slave].vhcr_dma |= param; | |
3f7fb021 RE |
1772 | if (mlx4_master_activate_admin_state(priv, slave)) |
1773 | goto reset_slave; | |
e8f081aa | 1774 | slave_state[slave].active = true; |
fc06573d | 1775 | mlx4_dispatch_event(dev, MLX4_DEV_EVENT_SLAVE_INIT, slave); |
e8f081aa YP |
1776 | break; |
1777 | case MLX4_COMM_CMD_VHCR_POST: | |
1778 | if ((slave_state[slave].last_cmd != MLX4_COMM_CMD_VHCR_EN) && | |
1779 | (slave_state[slave].last_cmd != MLX4_COMM_CMD_VHCR_POST)) | |
1780 | goto reset_slave; | |
f3d4c89e RD |
1781 | |
1782 | mutex_lock(&priv->cmd.slave_cmd_mutex); | |
e8f081aa YP |
1783 | if (mlx4_master_process_vhcr(dev, slave, NULL)) { |
1784 | mlx4_err(dev, "Failed processing vhcr for slave:%d," | |
8d9eb069 | 1785 | " resetting slave.\n", slave); |
f3d4c89e | 1786 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
e8f081aa YP |
1787 | goto reset_slave; |
1788 | } | |
f3d4c89e | 1789 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
e8f081aa YP |
1790 | break; |
1791 | default: | |
1792 | mlx4_warn(dev, "Bad comm cmd:%d from slave:%d\n", cmd, slave); | |
1793 | goto reset_slave; | |
1794 | } | |
311f813a | 1795 | spin_lock_irqsave(&priv->mfunc.master.slave_state_lock, flags); |
e8f081aa YP |
1796 | if (!slave_state[slave].is_slave_going_down) |
1797 | slave_state[slave].last_cmd = cmd; | |
1798 | else | |
1799 | is_going_down = 1; | |
311f813a | 1800 | spin_unlock_irqrestore(&priv->mfunc.master.slave_state_lock, flags); |
e8f081aa YP |
1801 | if (is_going_down) { |
1802 | mlx4_warn(dev, "Slave is going down aborting command(%d)" | |
1803 | " executing from slave:%d\n", | |
1804 | cmd, slave); | |
1805 | return; | |
1806 | } | |
1807 | __raw_writel((__force u32) cpu_to_be32(reply), | |
1808 | &priv->mfunc.comm[slave].slave_read); | |
1809 | mmiowb(); | |
1810 | ||
1811 | return; | |
1812 | ||
1813 | reset_slave: | |
c82e9aa0 EC |
1814 | /* cleanup any slave resources */ |
1815 | mlx4_delete_all_resources_for_slave(dev, slave); | |
311f813a | 1816 | spin_lock_irqsave(&priv->mfunc.master.slave_state_lock, flags); |
e8f081aa YP |
1817 | if (!slave_state[slave].is_slave_going_down) |
1818 | slave_state[slave].last_cmd = MLX4_COMM_CMD_RESET; | |
311f813a | 1819 | spin_unlock_irqrestore(&priv->mfunc.master.slave_state_lock, flags); |
e8f081aa YP |
1820 | /*with slave in the middle of flr, no need to clean resources again.*/ |
1821 | inform_slave_state: | |
1822 | memset(&slave_state[slave].event_eq, 0, | |
1823 | sizeof(struct mlx4_slave_event_eq_info)); | |
1824 | __raw_writel((__force u32) cpu_to_be32(reply), | |
1825 | &priv->mfunc.comm[slave].slave_read); | |
1826 | wmb(); | |
1827 | } | |
1828 | ||
1829 | /* master command processing */ | |
1830 | void mlx4_master_comm_channel(struct work_struct *work) | |
1831 | { | |
1832 | struct mlx4_mfunc_master_ctx *master = | |
1833 | container_of(work, | |
1834 | struct mlx4_mfunc_master_ctx, | |
1835 | comm_work); | |
1836 | struct mlx4_mfunc *mfunc = | |
1837 | container_of(master, struct mlx4_mfunc, master); | |
1838 | struct mlx4_priv *priv = | |
1839 | container_of(mfunc, struct mlx4_priv, mfunc); | |
1840 | struct mlx4_dev *dev = &priv->dev; | |
1841 | __be32 *bit_vec; | |
1842 | u32 comm_cmd; | |
1843 | u32 vec; | |
1844 | int i, j, slave; | |
1845 | int toggle; | |
1846 | int served = 0; | |
1847 | int reported = 0; | |
1848 | u32 slt; | |
1849 | ||
1850 | bit_vec = master->comm_arm_bit_vector; | |
1851 | for (i = 0; i < COMM_CHANNEL_BIT_ARRAY_SIZE; i++) { | |
1852 | vec = be32_to_cpu(bit_vec[i]); | |
1853 | for (j = 0; j < 32; j++) { | |
1854 | if (!(vec & (1 << j))) | |
1855 | continue; | |
1856 | ++reported; | |
1857 | slave = (i * 32) + j; | |
1858 | comm_cmd = swab32(readl( | |
1859 | &mfunc->comm[slave].slave_write)); | |
1860 | slt = swab32(readl(&mfunc->comm[slave].slave_read)) | |
1861 | >> 31; | |
1862 | toggle = comm_cmd >> 31; | |
1863 | if (toggle != slt) { | |
1864 | if (master->slave_state[slave].comm_toggle | |
1865 | != slt) { | |
1866 | printk(KERN_INFO "slave %d out of sync." | |
1867 | " read toggle %d, state toggle %d. " | |
1868 | "Resynching.\n", slave, slt, | |
1869 | master->slave_state[slave].comm_toggle); | |
1870 | master->slave_state[slave].comm_toggle = | |
1871 | slt; | |
1872 | } | |
1873 | mlx4_master_do_cmd(dev, slave, | |
1874 | comm_cmd >> 16 & 0xff, | |
1875 | comm_cmd & 0xffff, toggle); | |
1876 | ++served; | |
1877 | } | |
1878 | } | |
1879 | } | |
1880 | ||
1881 | if (reported && reported != served) | |
1882 | mlx4_warn(dev, "Got command event with bitmask from %d slaves" | |
1883 | " but %d were served\n", | |
1884 | reported, served); | |
1885 | ||
1886 | if (mlx4_ARM_COMM_CHANNEL(dev)) | |
1887 | mlx4_warn(dev, "Failed to arm comm channel events\n"); | |
1888 | } | |
1889 | ||
ab9c17a0 JM |
1890 | static int sync_toggles(struct mlx4_dev *dev) |
1891 | { | |
1892 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1893 | int wr_toggle; | |
1894 | int rd_toggle; | |
1895 | unsigned long end; | |
1896 | ||
1897 | wr_toggle = swab32(readl(&priv->mfunc.comm->slave_write)) >> 31; | |
1898 | end = jiffies + msecs_to_jiffies(5000); | |
1899 | ||
1900 | while (time_before(jiffies, end)) { | |
1901 | rd_toggle = swab32(readl(&priv->mfunc.comm->slave_read)) >> 31; | |
1902 | if (rd_toggle == wr_toggle) { | |
1903 | priv->cmd.comm_toggle = rd_toggle; | |
1904 | return 0; | |
1905 | } | |
1906 | ||
1907 | cond_resched(); | |
1908 | } | |
1909 | ||
1910 | /* | |
1911 | * we could reach here if for example the previous VM using this | |
1912 | * function misbehaved and left the channel with unsynced state. We | |
1913 | * should fix this here and give this VM a chance to use a properly | |
1914 | * synced channel | |
1915 | */ | |
1916 | mlx4_warn(dev, "recovering from previously mis-behaved VM\n"); | |
1917 | __raw_writel((__force u32) 0, &priv->mfunc.comm->slave_read); | |
1918 | __raw_writel((__force u32) 0, &priv->mfunc.comm->slave_write); | |
1919 | priv->cmd.comm_toggle = 0; | |
1920 | ||
1921 | return 0; | |
1922 | } | |
1923 | ||
1924 | int mlx4_multi_func_init(struct mlx4_dev *dev) | |
1925 | { | |
1926 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1927 | struct mlx4_slave_state *s_state; | |
803143fb | 1928 | int i, j, err, port; |
ab9c17a0 | 1929 | |
ab9c17a0 JM |
1930 | if (mlx4_is_master(dev)) |
1931 | priv->mfunc.comm = | |
1932 | ioremap(pci_resource_start(dev->pdev, priv->fw.comm_bar) + | |
1933 | priv->fw.comm_base, MLX4_COMM_PAGESIZE); | |
1934 | else | |
1935 | priv->mfunc.comm = | |
1936 | ioremap(pci_resource_start(dev->pdev, 2) + | |
1937 | MLX4_SLAVE_COMM_BASE, MLX4_COMM_PAGESIZE); | |
1938 | if (!priv->mfunc.comm) { | |
1939 | mlx4_err(dev, "Couldn't map communication vector.\n"); | |
1940 | goto err_vhcr; | |
1941 | } | |
1942 | ||
1943 | if (mlx4_is_master(dev)) { | |
1944 | priv->mfunc.master.slave_state = | |
1945 | kzalloc(dev->num_slaves * | |
1946 | sizeof(struct mlx4_slave_state), GFP_KERNEL); | |
1947 | if (!priv->mfunc.master.slave_state) | |
1948 | goto err_comm; | |
1949 | ||
0eb62b93 RE |
1950 | priv->mfunc.master.vf_admin = |
1951 | kzalloc(dev->num_slaves * | |
1952 | sizeof(struct mlx4_vf_admin_state), GFP_KERNEL); | |
1953 | if (!priv->mfunc.master.vf_admin) | |
1954 | goto err_comm_admin; | |
1955 | ||
1956 | priv->mfunc.master.vf_oper = | |
1957 | kzalloc(dev->num_slaves * | |
1958 | sizeof(struct mlx4_vf_oper_state), GFP_KERNEL); | |
1959 | if (!priv->mfunc.master.vf_oper) | |
1960 | goto err_comm_oper; | |
1961 | ||
ab9c17a0 JM |
1962 | for (i = 0; i < dev->num_slaves; ++i) { |
1963 | s_state = &priv->mfunc.master.slave_state[i]; | |
1964 | s_state->last_cmd = MLX4_COMM_CMD_RESET; | |
803143fb MA |
1965 | for (j = 0; j < MLX4_EVENT_TYPES_NUM; ++j) |
1966 | s_state->event_eq[j].eqn = -1; | |
ab9c17a0 JM |
1967 | __raw_writel((__force u32) 0, |
1968 | &priv->mfunc.comm[i].slave_write); | |
1969 | __raw_writel((__force u32) 0, | |
1970 | &priv->mfunc.comm[i].slave_read); | |
1971 | mmiowb(); | |
1972 | for (port = 1; port <= MLX4_MAX_PORTS; port++) { | |
1973 | s_state->vlan_filter[port] = | |
1974 | kzalloc(sizeof(struct mlx4_vlan_fltr), | |
1975 | GFP_KERNEL); | |
1976 | if (!s_state->vlan_filter[port]) { | |
1977 | if (--port) | |
1978 | kfree(s_state->vlan_filter[port]); | |
1979 | goto err_slaves; | |
1980 | } | |
1981 | INIT_LIST_HEAD(&s_state->mcast_filters[port]); | |
0eb62b93 | 1982 | priv->mfunc.master.vf_admin[i].vport[port].default_vlan = MLX4_VGT; |
3f7fb021 | 1983 | priv->mfunc.master.vf_oper[i].vport[port].state.default_vlan = MLX4_VGT; |
0eb62b93 RE |
1984 | priv->mfunc.master.vf_oper[i].vport[port].vlan_idx = NO_INDX; |
1985 | priv->mfunc.master.vf_oper[i].vport[port].mac_idx = NO_INDX; | |
ab9c17a0 JM |
1986 | } |
1987 | spin_lock_init(&s_state->lock); | |
1988 | } | |
1989 | ||
08ff3235 | 1990 | memset(&priv->mfunc.master.cmd_eqe, 0, dev->caps.eqe_size); |
ab9c17a0 JM |
1991 | priv->mfunc.master.cmd_eqe.type = MLX4_EVENT_TYPE_CMD; |
1992 | INIT_WORK(&priv->mfunc.master.comm_work, | |
1993 | mlx4_master_comm_channel); | |
1994 | INIT_WORK(&priv->mfunc.master.slave_event_work, | |
1995 | mlx4_gen_slave_eqe); | |
1996 | INIT_WORK(&priv->mfunc.master.slave_flr_event_work, | |
1997 | mlx4_master_handle_slave_flr); | |
1998 | spin_lock_init(&priv->mfunc.master.slave_state_lock); | |
992e8e6e | 1999 | spin_lock_init(&priv->mfunc.master.slave_eq.event_lock); |
ab9c17a0 JM |
2000 | priv->mfunc.master.comm_wq = |
2001 | create_singlethread_workqueue("mlx4_comm"); | |
2002 | if (!priv->mfunc.master.comm_wq) | |
2003 | goto err_slaves; | |
2004 | ||
2005 | if (mlx4_init_resource_tracker(dev)) | |
2006 | goto err_thread; | |
2007 | ||
ab9c17a0 JM |
2008 | err = mlx4_ARM_COMM_CHANNEL(dev); |
2009 | if (err) { | |
2010 | mlx4_err(dev, " Failed to arm comm channel eq: %x\n", | |
2011 | err); | |
2012 | goto err_resource; | |
2013 | } | |
2014 | ||
2015 | } else { | |
2016 | err = sync_toggles(dev); | |
2017 | if (err) { | |
2018 | mlx4_err(dev, "Couldn't sync toggles\n"); | |
2019 | goto err_comm; | |
2020 | } | |
ab9c17a0 JM |
2021 | } |
2022 | return 0; | |
2023 | ||
2024 | err_resource: | |
b8924951 | 2025 | mlx4_free_resource_tracker(dev, RES_TR_FREE_ALL); |
ab9c17a0 JM |
2026 | err_thread: |
2027 | flush_workqueue(priv->mfunc.master.comm_wq); | |
2028 | destroy_workqueue(priv->mfunc.master.comm_wq); | |
2029 | err_slaves: | |
2030 | while (--i) { | |
2031 | for (port = 1; port <= MLX4_MAX_PORTS; port++) | |
2032 | kfree(priv->mfunc.master.slave_state[i].vlan_filter[port]); | |
2033 | } | |
0eb62b93 RE |
2034 | kfree(priv->mfunc.master.vf_oper); |
2035 | err_comm_oper: | |
2036 | kfree(priv->mfunc.master.vf_admin); | |
2037 | err_comm_admin: | |
ab9c17a0 JM |
2038 | kfree(priv->mfunc.master.slave_state); |
2039 | err_comm: | |
2040 | iounmap(priv->mfunc.comm); | |
2041 | err_vhcr: | |
2042 | dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE, | |
2043 | priv->mfunc.vhcr, | |
2044 | priv->mfunc.vhcr_dma); | |
2045 | priv->mfunc.vhcr = NULL; | |
2046 | return -ENOMEM; | |
2047 | } | |
2048 | ||
225c7b1f RD |
2049 | int mlx4_cmd_init(struct mlx4_dev *dev) |
2050 | { | |
2051 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2052 | ||
2053 | mutex_init(&priv->cmd.hcr_mutex); | |
f3d4c89e | 2054 | mutex_init(&priv->cmd.slave_cmd_mutex); |
225c7b1f RD |
2055 | sema_init(&priv->cmd.poll_sem, 1); |
2056 | priv->cmd.use_events = 0; | |
2057 | priv->cmd.toggle = 1; | |
2058 | ||
e8f081aa YP |
2059 | priv->cmd.hcr = NULL; |
2060 | priv->mfunc.vhcr = NULL; | |
2061 | ||
2062 | if (!mlx4_is_slave(dev)) { | |
2063 | priv->cmd.hcr = ioremap(pci_resource_start(dev->pdev, 0) + | |
2064 | MLX4_HCR_BASE, MLX4_HCR_SIZE); | |
2065 | if (!priv->cmd.hcr) { | |
2066 | mlx4_err(dev, "Couldn't map command register.\n"); | |
2067 | return -ENOMEM; | |
2068 | } | |
225c7b1f RD |
2069 | } |
2070 | ||
f3d4c89e RD |
2071 | if (mlx4_is_mfunc(dev)) { |
2072 | priv->mfunc.vhcr = dma_alloc_coherent(&(dev->pdev->dev), PAGE_SIZE, | |
2073 | &priv->mfunc.vhcr_dma, | |
2074 | GFP_KERNEL); | |
d0320f75 | 2075 | if (!priv->mfunc.vhcr) |
f3d4c89e | 2076 | goto err_hcr; |
f3d4c89e RD |
2077 | } |
2078 | ||
225c7b1f RD |
2079 | priv->cmd.pool = pci_pool_create("mlx4_cmd", dev->pdev, |
2080 | MLX4_MAILBOX_SIZE, | |
2081 | MLX4_MAILBOX_SIZE, 0); | |
e8f081aa | 2082 | if (!priv->cmd.pool) |
f3d4c89e | 2083 | goto err_vhcr; |
225c7b1f RD |
2084 | |
2085 | return 0; | |
e8f081aa | 2086 | |
f3d4c89e RD |
2087 | err_vhcr: |
2088 | if (mlx4_is_mfunc(dev)) | |
2089 | dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE, | |
2090 | priv->mfunc.vhcr, priv->mfunc.vhcr_dma); | |
2091 | priv->mfunc.vhcr = NULL; | |
2092 | ||
e8f081aa YP |
2093 | err_hcr: |
2094 | if (!mlx4_is_slave(dev)) | |
2095 | iounmap(priv->cmd.hcr); | |
2096 | return -ENOMEM; | |
225c7b1f RD |
2097 | } |
2098 | ||
ab9c17a0 JM |
2099 | void mlx4_multi_func_cleanup(struct mlx4_dev *dev) |
2100 | { | |
2101 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2102 | int i, port; | |
2103 | ||
2104 | if (mlx4_is_master(dev)) { | |
2105 | flush_workqueue(priv->mfunc.master.comm_wq); | |
2106 | destroy_workqueue(priv->mfunc.master.comm_wq); | |
2107 | for (i = 0; i < dev->num_slaves; i++) { | |
2108 | for (port = 1; port <= MLX4_MAX_PORTS; port++) | |
2109 | kfree(priv->mfunc.master.slave_state[i].vlan_filter[port]); | |
2110 | } | |
2111 | kfree(priv->mfunc.master.slave_state); | |
0eb62b93 RE |
2112 | kfree(priv->mfunc.master.vf_admin); |
2113 | kfree(priv->mfunc.master.vf_oper); | |
ab9c17a0 | 2114 | } |
f08ad06c EE |
2115 | |
2116 | iounmap(priv->mfunc.comm); | |
ab9c17a0 JM |
2117 | } |
2118 | ||
225c7b1f RD |
2119 | void mlx4_cmd_cleanup(struct mlx4_dev *dev) |
2120 | { | |
2121 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2122 | ||
2123 | pci_pool_destroy(priv->cmd.pool); | |
e8f081aa YP |
2124 | |
2125 | if (!mlx4_is_slave(dev)) | |
2126 | iounmap(priv->cmd.hcr); | |
f3d4c89e RD |
2127 | if (mlx4_is_mfunc(dev)) |
2128 | dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE, | |
2129 | priv->mfunc.vhcr, priv->mfunc.vhcr_dma); | |
2130 | priv->mfunc.vhcr = NULL; | |
225c7b1f RD |
2131 | } |
2132 | ||
2133 | /* | |
2134 | * Switch to using events to issue FW commands (can only be called | |
2135 | * after event queue for command events has been initialized). | |
2136 | */ | |
2137 | int mlx4_cmd_use_events(struct mlx4_dev *dev) | |
2138 | { | |
2139 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2140 | int i; | |
e8f081aa | 2141 | int err = 0; |
225c7b1f RD |
2142 | |
2143 | priv->cmd.context = kmalloc(priv->cmd.max_cmds * | |
2144 | sizeof (struct mlx4_cmd_context), | |
2145 | GFP_KERNEL); | |
2146 | if (!priv->cmd.context) | |
2147 | return -ENOMEM; | |
2148 | ||
2149 | for (i = 0; i < priv->cmd.max_cmds; ++i) { | |
2150 | priv->cmd.context[i].token = i; | |
2151 | priv->cmd.context[i].next = i + 1; | |
2152 | } | |
2153 | ||
2154 | priv->cmd.context[priv->cmd.max_cmds - 1].next = -1; | |
2155 | priv->cmd.free_head = 0; | |
2156 | ||
2157 | sema_init(&priv->cmd.event_sem, priv->cmd.max_cmds); | |
2158 | spin_lock_init(&priv->cmd.context_lock); | |
2159 | ||
2160 | for (priv->cmd.token_mask = 1; | |
2161 | priv->cmd.token_mask < priv->cmd.max_cmds; | |
2162 | priv->cmd.token_mask <<= 1) | |
2163 | ; /* nothing */ | |
2164 | --priv->cmd.token_mask; | |
2165 | ||
225c7b1f | 2166 | down(&priv->cmd.poll_sem); |
e8f081aa | 2167 | priv->cmd.use_events = 1; |
225c7b1f | 2168 | |
e8f081aa | 2169 | return err; |
225c7b1f RD |
2170 | } |
2171 | ||
2172 | /* | |
2173 | * Switch back to polling (used when shutting down the device) | |
2174 | */ | |
2175 | void mlx4_cmd_use_polling(struct mlx4_dev *dev) | |
2176 | { | |
2177 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2178 | int i; | |
2179 | ||
2180 | priv->cmd.use_events = 0; | |
2181 | ||
2182 | for (i = 0; i < priv->cmd.max_cmds; ++i) | |
2183 | down(&priv->cmd.event_sem); | |
2184 | ||
2185 | kfree(priv->cmd.context); | |
2186 | ||
2187 | up(&priv->cmd.poll_sem); | |
2188 | } | |
2189 | ||
2190 | struct mlx4_cmd_mailbox *mlx4_alloc_cmd_mailbox(struct mlx4_dev *dev) | |
2191 | { | |
2192 | struct mlx4_cmd_mailbox *mailbox; | |
2193 | ||
2194 | mailbox = kmalloc(sizeof *mailbox, GFP_KERNEL); | |
2195 | if (!mailbox) | |
2196 | return ERR_PTR(-ENOMEM); | |
2197 | ||
2198 | mailbox->buf = pci_pool_alloc(mlx4_priv(dev)->cmd.pool, GFP_KERNEL, | |
2199 | &mailbox->dma); | |
2200 | if (!mailbox->buf) { | |
2201 | kfree(mailbox); | |
2202 | return ERR_PTR(-ENOMEM); | |
2203 | } | |
2204 | ||
571b8b92 JM |
2205 | memset(mailbox->buf, 0, MLX4_MAILBOX_SIZE); |
2206 | ||
225c7b1f RD |
2207 | return mailbox; |
2208 | } | |
2209 | EXPORT_SYMBOL_GPL(mlx4_alloc_cmd_mailbox); | |
2210 | ||
e8f081aa YP |
2211 | void mlx4_free_cmd_mailbox(struct mlx4_dev *dev, |
2212 | struct mlx4_cmd_mailbox *mailbox) | |
225c7b1f RD |
2213 | { |
2214 | if (!mailbox) | |
2215 | return; | |
2216 | ||
2217 | pci_pool_free(mlx4_priv(dev)->cmd.pool, mailbox->buf, mailbox->dma); | |
2218 | kfree(mailbox); | |
2219 | } | |
2220 | EXPORT_SYMBOL_GPL(mlx4_free_cmd_mailbox); | |
e8f081aa YP |
2221 | |
2222 | u32 mlx4_comm_get_version(void) | |
2223 | { | |
2224 | return ((u32) CMD_CHAN_IF_REV << 8) | (u32) CMD_CHAN_VER; | |
2225 | } | |
8f7ba3ca RE |
2226 | |
2227 | static int mlx4_get_slave_indx(struct mlx4_dev *dev, int vf) | |
2228 | { | |
2229 | if ((vf < 0) || (vf >= dev->num_vfs)) { | |
2230 | mlx4_err(dev, "Bad vf number:%d (number of activated vf: %d)\n", vf, dev->num_vfs); | |
2231 | return -EINVAL; | |
2232 | } | |
2233 | ||
2234 | return vf+1; | |
2235 | } | |
2236 | ||
f74462ac MB |
2237 | int mlx4_get_vf_indx(struct mlx4_dev *dev, int slave) |
2238 | { | |
2239 | if (slave < 1 || slave > dev->num_vfs) { | |
2240 | mlx4_err(dev, | |
2241 | "Bad slave number:%d (number of activated slaves: %lu)\n", | |
2242 | slave, dev->num_slaves); | |
2243 | return -EINVAL; | |
2244 | } | |
2245 | return slave - 1; | |
2246 | } | |
2247 | ||
2248 | struct mlx4_active_ports mlx4_get_active_ports(struct mlx4_dev *dev, int slave) | |
2249 | { | |
2250 | struct mlx4_active_ports actv_ports; | |
2251 | int vf; | |
2252 | ||
2253 | bitmap_zero(actv_ports.ports, MLX4_MAX_PORTS); | |
2254 | ||
2255 | if (slave == 0) { | |
2256 | bitmap_fill(actv_ports.ports, dev->caps.num_ports); | |
2257 | return actv_ports; | |
2258 | } | |
2259 | ||
2260 | vf = mlx4_get_vf_indx(dev, slave); | |
2261 | if (vf < 0) | |
2262 | return actv_ports; | |
2263 | ||
2264 | bitmap_set(actv_ports.ports, dev->dev_vfs[vf].min_port - 1, | |
2265 | min((int)dev->dev_vfs[mlx4_get_vf_indx(dev, slave)].n_ports, | |
2266 | dev->caps.num_ports)); | |
2267 | ||
2268 | return actv_ports; | |
2269 | } | |
2270 | EXPORT_SYMBOL_GPL(mlx4_get_active_ports); | |
2271 | ||
2272 | int mlx4_slave_convert_port(struct mlx4_dev *dev, int slave, int port) | |
2273 | { | |
2274 | unsigned n; | |
2275 | struct mlx4_active_ports actv_ports = mlx4_get_active_ports(dev, slave); | |
2276 | unsigned m = bitmap_weight(actv_ports.ports, dev->caps.num_ports); | |
2277 | ||
2278 | if (port <= 0 || port > m) | |
2279 | return -EINVAL; | |
2280 | ||
2281 | n = find_first_bit(actv_ports.ports, dev->caps.num_ports); | |
2282 | if (port <= n) | |
2283 | port = n + 1; | |
2284 | ||
2285 | return port; | |
2286 | } | |
2287 | EXPORT_SYMBOL_GPL(mlx4_slave_convert_port); | |
2288 | ||
2289 | int mlx4_phys_to_slave_port(struct mlx4_dev *dev, int slave, int port) | |
2290 | { | |
2291 | struct mlx4_active_ports actv_ports = mlx4_get_active_ports(dev, slave); | |
2292 | if (test_bit(port - 1, actv_ports.ports)) | |
2293 | return port - | |
2294 | find_first_bit(actv_ports.ports, dev->caps.num_ports); | |
2295 | ||
2296 | return -1; | |
2297 | } | |
2298 | EXPORT_SYMBOL_GPL(mlx4_phys_to_slave_port); | |
2299 | ||
2300 | struct mlx4_slaves_pport mlx4_phys_to_slaves_pport(struct mlx4_dev *dev, | |
2301 | int port) | |
2302 | { | |
2303 | unsigned i; | |
2304 | struct mlx4_slaves_pport slaves_pport; | |
2305 | ||
2306 | bitmap_zero(slaves_pport.slaves, MLX4_MFUNC_MAX); | |
2307 | ||
2308 | if (port <= 0 || port > dev->caps.num_ports) | |
2309 | return slaves_pport; | |
2310 | ||
2311 | for (i = 0; i < dev->num_vfs + 1; i++) { | |
2312 | struct mlx4_active_ports actv_ports = | |
2313 | mlx4_get_active_ports(dev, i); | |
2314 | if (test_bit(port - 1, actv_ports.ports)) | |
2315 | set_bit(i, slaves_pport.slaves); | |
2316 | } | |
2317 | ||
2318 | return slaves_pport; | |
2319 | } | |
2320 | EXPORT_SYMBOL_GPL(mlx4_phys_to_slaves_pport); | |
2321 | ||
2322 | struct mlx4_slaves_pport mlx4_phys_to_slaves_pport_actv( | |
2323 | struct mlx4_dev *dev, | |
2324 | const struct mlx4_active_ports *crit_ports) | |
2325 | { | |
2326 | unsigned i; | |
2327 | struct mlx4_slaves_pport slaves_pport; | |
2328 | ||
2329 | bitmap_zero(slaves_pport.slaves, MLX4_MFUNC_MAX); | |
2330 | ||
2331 | for (i = 0; i < dev->num_vfs + 1; i++) { | |
2332 | struct mlx4_active_ports actv_ports = | |
2333 | mlx4_get_active_ports(dev, i); | |
2334 | if (bitmap_equal(crit_ports->ports, actv_ports.ports, | |
2335 | dev->caps.num_ports)) | |
2336 | set_bit(i, slaves_pport.slaves); | |
2337 | } | |
2338 | ||
2339 | return slaves_pport; | |
2340 | } | |
2341 | EXPORT_SYMBOL_GPL(mlx4_phys_to_slaves_pport_actv); | |
2342 | ||
8f7ba3ca RE |
2343 | int mlx4_set_vf_mac(struct mlx4_dev *dev, int port, int vf, u64 mac) |
2344 | { | |
2345 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2346 | struct mlx4_vport_state *s_info; | |
2347 | int slave; | |
2348 | ||
2349 | if (!mlx4_is_master(dev)) | |
2350 | return -EPROTONOSUPPORT; | |
2351 | ||
2352 | slave = mlx4_get_slave_indx(dev, vf); | |
2353 | if (slave < 0) | |
2354 | return -EINVAL; | |
2355 | ||
2356 | s_info = &priv->mfunc.master.vf_admin[slave].vport[port]; | |
2357 | s_info->mac = mac; | |
2358 | mlx4_info(dev, "default mac on vf %d port %d to %llX will take afect only after vf restart\n", | |
2359 | vf, port, s_info->mac); | |
2360 | return 0; | |
2361 | } | |
2362 | EXPORT_SYMBOL_GPL(mlx4_set_vf_mac); | |
3f7fb021 | 2363 | |
b01978ca | 2364 | |
3f7fb021 RE |
2365 | int mlx4_set_vf_vlan(struct mlx4_dev *dev, int port, int vf, u16 vlan, u8 qos) |
2366 | { | |
2367 | struct mlx4_priv *priv = mlx4_priv(dev); | |
b01978ca | 2368 | struct mlx4_vport_state *vf_admin; |
3f7fb021 RE |
2369 | int slave; |
2370 | ||
2371 | if ((!mlx4_is_master(dev)) || | |
2372 | !(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VLAN_CONTROL)) | |
2373 | return -EPROTONOSUPPORT; | |
2374 | ||
2375 | if ((vlan > 4095) || (qos > 7)) | |
2376 | return -EINVAL; | |
2377 | ||
2378 | slave = mlx4_get_slave_indx(dev, vf); | |
2379 | if (slave < 0) | |
2380 | return -EINVAL; | |
2381 | ||
b01978ca | 2382 | vf_admin = &priv->mfunc.master.vf_admin[slave].vport[port]; |
b01978ca | 2383 | |
3f7fb021 | 2384 | if ((0 == vlan) && (0 == qos)) |
b01978ca | 2385 | vf_admin->default_vlan = MLX4_VGT; |
3f7fb021 | 2386 | else |
b01978ca JM |
2387 | vf_admin->default_vlan = vlan; |
2388 | vf_admin->default_qos = qos; | |
2389 | ||
0a6eac24 RE |
2390 | if (mlx4_master_immediate_activate_vlan_qos(priv, slave, port)) |
2391 | mlx4_info(dev, | |
2392 | "updating vf %d port %d config will take effect on next VF restart\n", | |
b01978ca | 2393 | vf, port); |
3f7fb021 RE |
2394 | return 0; |
2395 | } | |
2396 | EXPORT_SYMBOL_GPL(mlx4_set_vf_vlan); | |
e6b6a231 | 2397 | |
5ea8bbfc JM |
2398 | /* mlx4_get_slave_default_vlan - |
2399 | * return true if VST ( default vlan) | |
2400 | * if VST, will return vlan & qos (if not NULL) | |
2401 | */ | |
2402 | bool mlx4_get_slave_default_vlan(struct mlx4_dev *dev, int port, int slave, | |
2403 | u16 *vlan, u8 *qos) | |
2404 | { | |
2405 | struct mlx4_vport_oper_state *vp_oper; | |
2406 | struct mlx4_priv *priv; | |
2407 | ||
2408 | priv = mlx4_priv(dev); | |
2409 | vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; | |
2410 | ||
2411 | if (MLX4_VGT != vp_oper->state.default_vlan) { | |
2412 | if (vlan) | |
2413 | *vlan = vp_oper->state.default_vlan; | |
2414 | if (qos) | |
2415 | *qos = vp_oper->state.default_qos; | |
2416 | return true; | |
2417 | } | |
2418 | return false; | |
2419 | } | |
2420 | EXPORT_SYMBOL_GPL(mlx4_get_slave_default_vlan); | |
2421 | ||
e6b6a231 RE |
2422 | int mlx4_set_vf_spoofchk(struct mlx4_dev *dev, int port, int vf, bool setting) |
2423 | { | |
2424 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2425 | struct mlx4_vport_state *s_info; | |
2426 | int slave; | |
2427 | ||
2428 | if ((!mlx4_is_master(dev)) || | |
2429 | !(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FSM)) | |
2430 | return -EPROTONOSUPPORT; | |
2431 | ||
2432 | slave = mlx4_get_slave_indx(dev, vf); | |
2433 | if (slave < 0) | |
2434 | return -EINVAL; | |
2435 | ||
2436 | s_info = &priv->mfunc.master.vf_admin[slave].vport[port]; | |
2437 | s_info->spoofchk = setting; | |
2438 | ||
2439 | return 0; | |
2440 | } | |
2441 | EXPORT_SYMBOL_GPL(mlx4_set_vf_spoofchk); | |
2cccb9e4 RE |
2442 | |
2443 | int mlx4_get_vf_config(struct mlx4_dev *dev, int port, int vf, struct ifla_vf_info *ivf) | |
2444 | { | |
2445 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2446 | struct mlx4_vport_state *s_info; | |
2447 | int slave; | |
2448 | ||
2449 | if (!mlx4_is_master(dev)) | |
2450 | return -EPROTONOSUPPORT; | |
2451 | ||
2452 | slave = mlx4_get_slave_indx(dev, vf); | |
2453 | if (slave < 0) | |
2454 | return -EINVAL; | |
2455 | ||
2456 | s_info = &priv->mfunc.master.vf_admin[slave].vport[port]; | |
2457 | ivf->vf = vf; | |
2458 | ||
2459 | /* need to convert it to a func */ | |
2460 | ivf->mac[0] = ((s_info->mac >> (5*8)) & 0xff); | |
2461 | ivf->mac[1] = ((s_info->mac >> (4*8)) & 0xff); | |
2462 | ivf->mac[2] = ((s_info->mac >> (3*8)) & 0xff); | |
2463 | ivf->mac[3] = ((s_info->mac >> (2*8)) & 0xff); | |
2464 | ivf->mac[4] = ((s_info->mac >> (1*8)) & 0xff); | |
2465 | ivf->mac[5] = ((s_info->mac) & 0xff); | |
2466 | ||
2467 | ivf->vlan = s_info->default_vlan; | |
2468 | ivf->qos = s_info->default_qos; | |
2469 | ivf->tx_rate = s_info->tx_rate; | |
2470 | ivf->spoofchk = s_info->spoofchk; | |
948e306d | 2471 | ivf->linkstate = s_info->link_state; |
2cccb9e4 RE |
2472 | |
2473 | return 0; | |
2474 | } | |
2475 | EXPORT_SYMBOL_GPL(mlx4_get_vf_config); | |
948e306d RE |
2476 | |
2477 | int mlx4_set_vf_link_state(struct mlx4_dev *dev, int port, int vf, int link_state) | |
2478 | { | |
2479 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2480 | struct mlx4_vport_state *s_info; | |
948e306d RE |
2481 | int slave; |
2482 | u8 link_stat_event; | |
2483 | ||
2484 | slave = mlx4_get_slave_indx(dev, vf); | |
2485 | if (slave < 0) | |
2486 | return -EINVAL; | |
2487 | ||
2488 | switch (link_state) { | |
2489 | case IFLA_VF_LINK_STATE_AUTO: | |
2490 | /* get current link state */ | |
2491 | if (!priv->sense.do_sense_port[port]) | |
2492 | link_stat_event = MLX4_PORT_CHANGE_SUBTYPE_ACTIVE; | |
2493 | else | |
2494 | link_stat_event = MLX4_PORT_CHANGE_SUBTYPE_DOWN; | |
2495 | break; | |
2496 | ||
2497 | case IFLA_VF_LINK_STATE_ENABLE: | |
2498 | link_stat_event = MLX4_PORT_CHANGE_SUBTYPE_ACTIVE; | |
2499 | break; | |
2500 | ||
2501 | case IFLA_VF_LINK_STATE_DISABLE: | |
2502 | link_stat_event = MLX4_PORT_CHANGE_SUBTYPE_DOWN; | |
2503 | break; | |
2504 | ||
2505 | default: | |
2506 | mlx4_warn(dev, "unknown value for link_state %02x on slave %d port %d\n", | |
2507 | link_state, slave, port); | |
2508 | return -EINVAL; | |
2509 | }; | |
948e306d | 2510 | s_info = &priv->mfunc.master.vf_admin[slave].vport[port]; |
948e306d | 2511 | s_info->link_state = link_state; |
948e306d RE |
2512 | |
2513 | /* send event */ | |
2514 | mlx4_gen_port_state_change_eqe(dev, slave, port, link_stat_event); | |
0a6eac24 RE |
2515 | |
2516 | if (mlx4_master_immediate_activate_vlan_qos(priv, slave, port)) | |
2517 | mlx4_dbg(dev, | |
2518 | "updating vf %d port %d no link state HW enforcment\n", | |
2519 | vf, port); | |
948e306d RE |
2520 | return 0; |
2521 | } | |
2522 | EXPORT_SYMBOL_GPL(mlx4_set_vf_link_state); |