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56d36be4 DM |
1 | /* |
2 | * This file is part of the Chelsio T4 Ethernet driver for Linux. | |
3 | * | |
4 | * Copyright (c) 2003-2010 Chelsio Communications, Inc. All rights reserved. | |
5 | * | |
6 | * This software is available to you under a choice of one of two | |
7 | * licenses. You may choose to be licensed under the terms of the GNU | |
8 | * General Public License (GPL) Version 2, available from the file | |
9 | * COPYING in the main directory of this source tree, or the | |
10 | * OpenIB.org BSD license below: | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or | |
13 | * without modification, are permitted provided that the following | |
14 | * conditions are met: | |
15 | * | |
16 | * - Redistributions of source code must retain the above | |
17 | * copyright notice, this list of conditions and the following | |
18 | * disclaimer. | |
19 | * | |
20 | * - Redistributions in binary form must reproduce the above | |
21 | * copyright notice, this list of conditions and the following | |
22 | * disclaimer in the documentation and/or other materials | |
23 | * provided with the distribution. | |
24 | * | |
25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
26 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
27 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
28 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
29 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
30 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
31 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
32 | * SOFTWARE. | |
33 | */ | |
34 | ||
35 | #include <linux/init.h> | |
36 | #include <linux/delay.h> | |
37 | #include "cxgb4.h" | |
38 | #include "t4_regs.h" | |
39 | #include "t4fw_api.h" | |
40 | ||
41 | /** | |
42 | * t4_wait_op_done_val - wait until an operation is completed | |
43 | * @adapter: the adapter performing the operation | |
44 | * @reg: the register to check for completion | |
45 | * @mask: a single-bit field within @reg that indicates completion | |
46 | * @polarity: the value of the field when the operation is completed | |
47 | * @attempts: number of check iterations | |
48 | * @delay: delay in usecs between iterations | |
49 | * @valp: where to store the value of the register at completion time | |
50 | * | |
51 | * Wait until an operation is completed by checking a bit in a register | |
52 | * up to @attempts times. If @valp is not NULL the value of the register | |
53 | * at the time it indicated completion is stored there. Returns 0 if the | |
54 | * operation completes and -EAGAIN otherwise. | |
55 | */ | |
de498c89 RD |
56 | static int t4_wait_op_done_val(struct adapter *adapter, int reg, u32 mask, |
57 | int polarity, int attempts, int delay, u32 *valp) | |
56d36be4 DM |
58 | { |
59 | while (1) { | |
60 | u32 val = t4_read_reg(adapter, reg); | |
61 | ||
62 | if (!!(val & mask) == polarity) { | |
63 | if (valp) | |
64 | *valp = val; | |
65 | return 0; | |
66 | } | |
67 | if (--attempts == 0) | |
68 | return -EAGAIN; | |
69 | if (delay) | |
70 | udelay(delay); | |
71 | } | |
72 | } | |
73 | ||
74 | static inline int t4_wait_op_done(struct adapter *adapter, int reg, u32 mask, | |
75 | int polarity, int attempts, int delay) | |
76 | { | |
77 | return t4_wait_op_done_val(adapter, reg, mask, polarity, attempts, | |
78 | delay, NULL); | |
79 | } | |
80 | ||
81 | /** | |
82 | * t4_set_reg_field - set a register field to a value | |
83 | * @adapter: the adapter to program | |
84 | * @addr: the register address | |
85 | * @mask: specifies the portion of the register to modify | |
86 | * @val: the new value for the register field | |
87 | * | |
88 | * Sets a register field specified by the supplied mask to the | |
89 | * given value. | |
90 | */ | |
91 | void t4_set_reg_field(struct adapter *adapter, unsigned int addr, u32 mask, | |
92 | u32 val) | |
93 | { | |
94 | u32 v = t4_read_reg(adapter, addr) & ~mask; | |
95 | ||
96 | t4_write_reg(adapter, addr, v | val); | |
97 | (void) t4_read_reg(adapter, addr); /* flush */ | |
98 | } | |
99 | ||
100 | /** | |
101 | * t4_read_indirect - read indirectly addressed registers | |
102 | * @adap: the adapter | |
103 | * @addr_reg: register holding the indirect address | |
104 | * @data_reg: register holding the value of the indirect register | |
105 | * @vals: where the read register values are stored | |
106 | * @nregs: how many indirect registers to read | |
107 | * @start_idx: index of first indirect register to read | |
108 | * | |
109 | * Reads registers that are accessed indirectly through an address/data | |
110 | * register pair. | |
111 | */ | |
de498c89 RD |
112 | static void t4_read_indirect(struct adapter *adap, unsigned int addr_reg, |
113 | unsigned int data_reg, u32 *vals, | |
114 | unsigned int nregs, unsigned int start_idx) | |
56d36be4 DM |
115 | { |
116 | while (nregs--) { | |
117 | t4_write_reg(adap, addr_reg, start_idx); | |
118 | *vals++ = t4_read_reg(adap, data_reg); | |
119 | start_idx++; | |
120 | } | |
121 | } | |
122 | ||
13ee15d3 VP |
123 | /** |
124 | * t4_write_indirect - write indirectly addressed registers | |
125 | * @adap: the adapter | |
126 | * @addr_reg: register holding the indirect addresses | |
127 | * @data_reg: register holding the value for the indirect registers | |
128 | * @vals: values to write | |
129 | * @nregs: how many indirect registers to write | |
130 | * @start_idx: address of first indirect register to write | |
131 | * | |
132 | * Writes a sequential block of registers that are accessed indirectly | |
133 | * through an address/data register pair. | |
134 | */ | |
135 | void t4_write_indirect(struct adapter *adap, unsigned int addr_reg, | |
136 | unsigned int data_reg, const u32 *vals, | |
137 | unsigned int nregs, unsigned int start_idx) | |
138 | { | |
139 | while (nregs--) { | |
140 | t4_write_reg(adap, addr_reg, start_idx++); | |
141 | t4_write_reg(adap, data_reg, *vals++); | |
142 | } | |
143 | } | |
144 | ||
56d36be4 DM |
145 | /* |
146 | * Get the reply to a mailbox command and store it in @rpl in big-endian order. | |
147 | */ | |
148 | static void get_mbox_rpl(struct adapter *adap, __be64 *rpl, int nflit, | |
149 | u32 mbox_addr) | |
150 | { | |
151 | for ( ; nflit; nflit--, mbox_addr += 8) | |
152 | *rpl++ = cpu_to_be64(t4_read_reg64(adap, mbox_addr)); | |
153 | } | |
154 | ||
155 | /* | |
156 | * Handle a FW assertion reported in a mailbox. | |
157 | */ | |
158 | static void fw_asrt(struct adapter *adap, u32 mbox_addr) | |
159 | { | |
160 | struct fw_debug_cmd asrt; | |
161 | ||
162 | get_mbox_rpl(adap, (__be64 *)&asrt, sizeof(asrt) / 8, mbox_addr); | |
163 | dev_alert(adap->pdev_dev, | |
164 | "FW assertion at %.16s:%u, val0 %#x, val1 %#x\n", | |
165 | asrt.u.assert.filename_0_7, ntohl(asrt.u.assert.line), | |
166 | ntohl(asrt.u.assert.x), ntohl(asrt.u.assert.y)); | |
167 | } | |
168 | ||
169 | static void dump_mbox(struct adapter *adap, int mbox, u32 data_reg) | |
170 | { | |
171 | dev_err(adap->pdev_dev, | |
172 | "mbox %d: %llx %llx %llx %llx %llx %llx %llx %llx\n", mbox, | |
173 | (unsigned long long)t4_read_reg64(adap, data_reg), | |
174 | (unsigned long long)t4_read_reg64(adap, data_reg + 8), | |
175 | (unsigned long long)t4_read_reg64(adap, data_reg + 16), | |
176 | (unsigned long long)t4_read_reg64(adap, data_reg + 24), | |
177 | (unsigned long long)t4_read_reg64(adap, data_reg + 32), | |
178 | (unsigned long long)t4_read_reg64(adap, data_reg + 40), | |
179 | (unsigned long long)t4_read_reg64(adap, data_reg + 48), | |
180 | (unsigned long long)t4_read_reg64(adap, data_reg + 56)); | |
181 | } | |
182 | ||
183 | /** | |
184 | * t4_wr_mbox_meat - send a command to FW through the given mailbox | |
185 | * @adap: the adapter | |
186 | * @mbox: index of the mailbox to use | |
187 | * @cmd: the command to write | |
188 | * @size: command length in bytes | |
189 | * @rpl: where to optionally store the reply | |
190 | * @sleep_ok: if true we may sleep while awaiting command completion | |
191 | * | |
192 | * Sends the given command to FW through the selected mailbox and waits | |
193 | * for the FW to execute the command. If @rpl is not %NULL it is used to | |
194 | * store the FW's reply to the command. The command and its optional | |
195 | * reply are of the same length. FW can take up to %FW_CMD_MAX_TIMEOUT ms | |
196 | * to respond. @sleep_ok determines whether we may sleep while awaiting | |
197 | * the response. If sleeping is allowed we use progressive backoff | |
198 | * otherwise we spin. | |
199 | * | |
200 | * The return value is 0 on success or a negative errno on failure. A | |
201 | * failure can happen either because we are not able to execute the | |
202 | * command or FW executes it but signals an error. In the latter case | |
203 | * the return value is the error code indicated by FW (negated). | |
204 | */ | |
205 | int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size, | |
206 | void *rpl, bool sleep_ok) | |
207 | { | |
005b5717 | 208 | static const int delay[] = { |
56d36be4 DM |
209 | 1, 1, 3, 5, 10, 10, 20, 50, 100, 200 |
210 | }; | |
211 | ||
212 | u32 v; | |
213 | u64 res; | |
214 | int i, ms, delay_idx; | |
215 | const __be64 *p = cmd; | |
216 | u32 data_reg = PF_REG(mbox, CIM_PF_MAILBOX_DATA); | |
217 | u32 ctl_reg = PF_REG(mbox, CIM_PF_MAILBOX_CTRL); | |
218 | ||
219 | if ((size & 15) || size > MBOX_LEN) | |
220 | return -EINVAL; | |
221 | ||
204dc3c0 DM |
222 | /* |
223 | * If the device is off-line, as in EEH, commands will time out. | |
224 | * Fail them early so we don't waste time waiting. | |
225 | */ | |
226 | if (adap->pdev->error_state != pci_channel_io_normal) | |
227 | return -EIO; | |
228 | ||
56d36be4 DM |
229 | v = MBOWNER_GET(t4_read_reg(adap, ctl_reg)); |
230 | for (i = 0; v == MBOX_OWNER_NONE && i < 3; i++) | |
231 | v = MBOWNER_GET(t4_read_reg(adap, ctl_reg)); | |
232 | ||
233 | if (v != MBOX_OWNER_DRV) | |
234 | return v ? -EBUSY : -ETIMEDOUT; | |
235 | ||
236 | for (i = 0; i < size; i += 8) | |
237 | t4_write_reg64(adap, data_reg + i, be64_to_cpu(*p++)); | |
238 | ||
239 | t4_write_reg(adap, ctl_reg, MBMSGVALID | MBOWNER(MBOX_OWNER_FW)); | |
240 | t4_read_reg(adap, ctl_reg); /* flush write */ | |
241 | ||
242 | delay_idx = 0; | |
243 | ms = delay[0]; | |
244 | ||
245 | for (i = 0; i < FW_CMD_MAX_TIMEOUT; i += ms) { | |
246 | if (sleep_ok) { | |
247 | ms = delay[delay_idx]; /* last element may repeat */ | |
248 | if (delay_idx < ARRAY_SIZE(delay) - 1) | |
249 | delay_idx++; | |
250 | msleep(ms); | |
251 | } else | |
252 | mdelay(ms); | |
253 | ||
254 | v = t4_read_reg(adap, ctl_reg); | |
255 | if (MBOWNER_GET(v) == MBOX_OWNER_DRV) { | |
256 | if (!(v & MBMSGVALID)) { | |
257 | t4_write_reg(adap, ctl_reg, 0); | |
258 | continue; | |
259 | } | |
260 | ||
261 | res = t4_read_reg64(adap, data_reg); | |
262 | if (FW_CMD_OP_GET(res >> 32) == FW_DEBUG_CMD) { | |
263 | fw_asrt(adap, data_reg); | |
264 | res = FW_CMD_RETVAL(EIO); | |
265 | } else if (rpl) | |
266 | get_mbox_rpl(adap, rpl, size / 8, data_reg); | |
267 | ||
268 | if (FW_CMD_RETVAL_GET((int)res)) | |
269 | dump_mbox(adap, mbox, data_reg); | |
270 | t4_write_reg(adap, ctl_reg, 0); | |
271 | return -FW_CMD_RETVAL_GET((int)res); | |
272 | } | |
273 | } | |
274 | ||
275 | dump_mbox(adap, mbox, data_reg); | |
276 | dev_err(adap->pdev_dev, "command %#x in mailbox %d timed out\n", | |
277 | *(const u8 *)cmd, mbox); | |
278 | return -ETIMEDOUT; | |
279 | } | |
280 | ||
281 | /** | |
282 | * t4_mc_read - read from MC through backdoor accesses | |
283 | * @adap: the adapter | |
284 | * @addr: address of first byte requested | |
285 | * @data: 64 bytes of data containing the requested address | |
286 | * @ecc: where to store the corresponding 64-bit ECC word | |
287 | * | |
288 | * Read 64 bytes of data from MC starting at a 64-byte-aligned address | |
289 | * that covers the requested address @addr. If @parity is not %NULL it | |
290 | * is assigned the 64-bit ECC word for the read data. | |
291 | */ | |
292 | int t4_mc_read(struct adapter *adap, u32 addr, __be32 *data, u64 *ecc) | |
293 | { | |
294 | int i; | |
295 | ||
296 | if (t4_read_reg(adap, MC_BIST_CMD) & START_BIST) | |
297 | return -EBUSY; | |
298 | t4_write_reg(adap, MC_BIST_CMD_ADDR, addr & ~0x3fU); | |
299 | t4_write_reg(adap, MC_BIST_CMD_LEN, 64); | |
300 | t4_write_reg(adap, MC_BIST_DATA_PATTERN, 0xc); | |
301 | t4_write_reg(adap, MC_BIST_CMD, BIST_OPCODE(1) | START_BIST | | |
302 | BIST_CMD_GAP(1)); | |
303 | i = t4_wait_op_done(adap, MC_BIST_CMD, START_BIST, 0, 10, 1); | |
304 | if (i) | |
305 | return i; | |
306 | ||
307 | #define MC_DATA(i) MC_BIST_STATUS_REG(MC_BIST_STATUS_RDATA, i) | |
308 | ||
309 | for (i = 15; i >= 0; i--) | |
310 | *data++ = htonl(t4_read_reg(adap, MC_DATA(i))); | |
311 | if (ecc) | |
312 | *ecc = t4_read_reg64(adap, MC_DATA(16)); | |
313 | #undef MC_DATA | |
314 | return 0; | |
315 | } | |
316 | ||
317 | /** | |
318 | * t4_edc_read - read from EDC through backdoor accesses | |
319 | * @adap: the adapter | |
320 | * @idx: which EDC to access | |
321 | * @addr: address of first byte requested | |
322 | * @data: 64 bytes of data containing the requested address | |
323 | * @ecc: where to store the corresponding 64-bit ECC word | |
324 | * | |
325 | * Read 64 bytes of data from EDC starting at a 64-byte-aligned address | |
326 | * that covers the requested address @addr. If @parity is not %NULL it | |
327 | * is assigned the 64-bit ECC word for the read data. | |
328 | */ | |
329 | int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc) | |
330 | { | |
331 | int i; | |
332 | ||
333 | idx *= EDC_STRIDE; | |
334 | if (t4_read_reg(adap, EDC_BIST_CMD + idx) & START_BIST) | |
335 | return -EBUSY; | |
336 | t4_write_reg(adap, EDC_BIST_CMD_ADDR + idx, addr & ~0x3fU); | |
337 | t4_write_reg(adap, EDC_BIST_CMD_LEN + idx, 64); | |
338 | t4_write_reg(adap, EDC_BIST_DATA_PATTERN + idx, 0xc); | |
339 | t4_write_reg(adap, EDC_BIST_CMD + idx, | |
340 | BIST_OPCODE(1) | BIST_CMD_GAP(1) | START_BIST); | |
341 | i = t4_wait_op_done(adap, EDC_BIST_CMD + idx, START_BIST, 0, 10, 1); | |
342 | if (i) | |
343 | return i; | |
344 | ||
345 | #define EDC_DATA(i) (EDC_BIST_STATUS_REG(EDC_BIST_STATUS_RDATA, i) + idx) | |
346 | ||
347 | for (i = 15; i >= 0; i--) | |
348 | *data++ = htonl(t4_read_reg(adap, EDC_DATA(i))); | |
349 | if (ecc) | |
350 | *ecc = t4_read_reg64(adap, EDC_DATA(16)); | |
351 | #undef EDC_DATA | |
352 | return 0; | |
353 | } | |
354 | ||
5afc8b84 VP |
355 | /* |
356 | * t4_mem_win_rw - read/write memory through PCIE memory window | |
357 | * @adap: the adapter | |
358 | * @addr: address of first byte requested | |
359 | * @data: MEMWIN0_APERTURE bytes of data containing the requested address | |
360 | * @dir: direction of transfer 1 => read, 0 => write | |
361 | * | |
362 | * Read/write MEMWIN0_APERTURE bytes of data from MC starting at a | |
363 | * MEMWIN0_APERTURE-byte-aligned address that covers the requested | |
364 | * address @addr. | |
365 | */ | |
366 | static int t4_mem_win_rw(struct adapter *adap, u32 addr, __be32 *data, int dir) | |
367 | { | |
368 | int i; | |
369 | ||
370 | /* | |
371 | * Setup offset into PCIE memory window. Address must be a | |
372 | * MEMWIN0_APERTURE-byte-aligned address. (Read back MA register to | |
373 | * ensure that changes propagate before we attempt to use the new | |
374 | * values.) | |
375 | */ | |
376 | t4_write_reg(adap, PCIE_MEM_ACCESS_OFFSET, | |
377 | addr & ~(MEMWIN0_APERTURE - 1)); | |
378 | t4_read_reg(adap, PCIE_MEM_ACCESS_OFFSET); | |
379 | ||
380 | /* Collecting data 4 bytes at a time upto MEMWIN0_APERTURE */ | |
381 | for (i = 0; i < MEMWIN0_APERTURE; i = i+0x4) { | |
382 | if (dir) | |
404d9e3f VP |
383 | *data++ = (__force __be32) t4_read_reg(adap, |
384 | (MEMWIN0_BASE + i)); | |
5afc8b84 | 385 | else |
404d9e3f VP |
386 | t4_write_reg(adap, (MEMWIN0_BASE + i), |
387 | (__force u32) *data++); | |
5afc8b84 VP |
388 | } |
389 | ||
390 | return 0; | |
391 | } | |
392 | ||
393 | /** | |
394 | * t4_memory_rw - read/write EDC 0, EDC 1 or MC via PCIE memory window | |
395 | * @adap: the adapter | |
396 | * @mtype: memory type: MEM_EDC0, MEM_EDC1 or MEM_MC | |
397 | * @addr: address within indicated memory type | |
398 | * @len: amount of memory to transfer | |
399 | * @buf: host memory buffer | |
400 | * @dir: direction of transfer 1 => read, 0 => write | |
401 | * | |
402 | * Reads/writes an [almost] arbitrary memory region in the firmware: the | |
403 | * firmware memory address, length and host buffer must be aligned on | |
404 | * 32-bit boudaries. The memory is transferred as a raw byte sequence | |
405 | * from/to the firmware's memory. If this memory contains data | |
406 | * structures which contain multi-byte integers, it's the callers | |
407 | * responsibility to perform appropriate byte order conversions. | |
408 | */ | |
409 | static int t4_memory_rw(struct adapter *adap, int mtype, u32 addr, u32 len, | |
410 | __be32 *buf, int dir) | |
411 | { | |
412 | u32 pos, start, end, offset, memoffset; | |
8c357ebd VP |
413 | int ret = 0; |
414 | __be32 *data; | |
5afc8b84 VP |
415 | |
416 | /* | |
417 | * Argument sanity checks ... | |
418 | */ | |
419 | if ((addr & 0x3) || (len & 0x3)) | |
420 | return -EINVAL; | |
421 | ||
594f88e9 | 422 | data = vmalloc(MEMWIN0_APERTURE); |
8c357ebd VP |
423 | if (!data) |
424 | return -ENOMEM; | |
425 | ||
5afc8b84 VP |
426 | /* |
427 | * Offset into the region of memory which is being accessed | |
428 | * MEM_EDC0 = 0 | |
429 | * MEM_EDC1 = 1 | |
430 | * MEM_MC = 2 | |
431 | */ | |
432 | memoffset = (mtype * (5 * 1024 * 1024)); | |
433 | ||
434 | /* Determine the PCIE_MEM_ACCESS_OFFSET */ | |
435 | addr = addr + memoffset; | |
436 | ||
437 | /* | |
438 | * The underlaying EDC/MC read routines read MEMWIN0_APERTURE bytes | |
439 | * at a time so we need to round down the start and round up the end. | |
440 | * We'll start copying out of the first line at (addr - start) a word | |
441 | * at a time. | |
442 | */ | |
443 | start = addr & ~(MEMWIN0_APERTURE-1); | |
444 | end = (addr + len + MEMWIN0_APERTURE-1) & ~(MEMWIN0_APERTURE-1); | |
445 | offset = (addr - start)/sizeof(__be32); | |
446 | ||
447 | for (pos = start; pos < end; pos += MEMWIN0_APERTURE, offset = 0) { | |
5afc8b84 VP |
448 | |
449 | /* | |
450 | * If we're writing, copy the data from the caller's memory | |
451 | * buffer | |
452 | */ | |
453 | if (!dir) { | |
454 | /* | |
455 | * If we're doing a partial write, then we need to do | |
456 | * a read-modify-write ... | |
457 | */ | |
458 | if (offset || len < MEMWIN0_APERTURE) { | |
459 | ret = t4_mem_win_rw(adap, pos, data, 1); | |
460 | if (ret) | |
8c357ebd | 461 | break; |
5afc8b84 VP |
462 | } |
463 | while (offset < (MEMWIN0_APERTURE/sizeof(__be32)) && | |
464 | len > 0) { | |
465 | data[offset++] = *buf++; | |
466 | len -= sizeof(__be32); | |
467 | } | |
468 | } | |
469 | ||
470 | /* | |
471 | * Transfer a block of memory and bail if there's an error. | |
472 | */ | |
473 | ret = t4_mem_win_rw(adap, pos, data, dir); | |
474 | if (ret) | |
8c357ebd | 475 | break; |
5afc8b84 VP |
476 | |
477 | /* | |
478 | * If we're reading, copy the data into the caller's memory | |
479 | * buffer. | |
480 | */ | |
481 | if (dir) | |
482 | while (offset < (MEMWIN0_APERTURE/sizeof(__be32)) && | |
483 | len > 0) { | |
484 | *buf++ = data[offset++]; | |
485 | len -= sizeof(__be32); | |
486 | } | |
487 | } | |
488 | ||
8c357ebd VP |
489 | vfree(data); |
490 | return ret; | |
5afc8b84 VP |
491 | } |
492 | ||
493 | int t4_memory_write(struct adapter *adap, int mtype, u32 addr, u32 len, | |
494 | __be32 *buf) | |
495 | { | |
496 | return t4_memory_rw(adap, mtype, addr, len, buf, 0); | |
497 | } | |
498 | ||
56d36be4 DM |
499 | #define EEPROM_STAT_ADDR 0x7bfc |
500 | #define VPD_BASE 0 | |
226ec5fd | 501 | #define VPD_LEN 512 |
56d36be4 DM |
502 | |
503 | /** | |
504 | * t4_seeprom_wp - enable/disable EEPROM write protection | |
505 | * @adapter: the adapter | |
506 | * @enable: whether to enable or disable write protection | |
507 | * | |
508 | * Enables or disables write protection on the serial EEPROM. | |
509 | */ | |
510 | int t4_seeprom_wp(struct adapter *adapter, bool enable) | |
511 | { | |
512 | unsigned int v = enable ? 0xc : 0; | |
513 | int ret = pci_write_vpd(adapter->pdev, EEPROM_STAT_ADDR, 4, &v); | |
514 | return ret < 0 ? ret : 0; | |
515 | } | |
516 | ||
517 | /** | |
518 | * get_vpd_params - read VPD parameters from VPD EEPROM | |
519 | * @adapter: adapter to read | |
520 | * @p: where to store the parameters | |
521 | * | |
522 | * Reads card parameters stored in VPD EEPROM. | |
523 | */ | |
636f9d37 | 524 | int get_vpd_params(struct adapter *adapter, struct vpd_params *p) |
56d36be4 | 525 | { |
636f9d37 | 526 | u32 cclk_param, cclk_val; |
226ec5fd | 527 | int i, ret; |
ec164008 | 528 | int ec, sn; |
8c357ebd | 529 | u8 *vpd, csum; |
23d88e1d | 530 | unsigned int vpdr_len, kw_offset, id_len; |
56d36be4 | 531 | |
8c357ebd VP |
532 | vpd = vmalloc(VPD_LEN); |
533 | if (!vpd) | |
534 | return -ENOMEM; | |
535 | ||
536 | ret = pci_read_vpd(adapter->pdev, VPD_BASE, VPD_LEN, vpd); | |
56d36be4 | 537 | if (ret < 0) |
8c357ebd | 538 | goto out; |
56d36be4 | 539 | |
23d88e1d DM |
540 | if (vpd[0] != PCI_VPD_LRDT_ID_STRING) { |
541 | dev_err(adapter->pdev_dev, "missing VPD ID string\n"); | |
8c357ebd VP |
542 | ret = -EINVAL; |
543 | goto out; | |
23d88e1d DM |
544 | } |
545 | ||
546 | id_len = pci_vpd_lrdt_size(vpd); | |
547 | if (id_len > ID_LEN) | |
548 | id_len = ID_LEN; | |
549 | ||
550 | i = pci_vpd_find_tag(vpd, 0, VPD_LEN, PCI_VPD_LRDT_RO_DATA); | |
551 | if (i < 0) { | |
552 | dev_err(adapter->pdev_dev, "missing VPD-R section\n"); | |
8c357ebd VP |
553 | ret = -EINVAL; |
554 | goto out; | |
23d88e1d DM |
555 | } |
556 | ||
557 | vpdr_len = pci_vpd_lrdt_size(&vpd[i]); | |
558 | kw_offset = i + PCI_VPD_LRDT_TAG_SIZE; | |
559 | if (vpdr_len + kw_offset > VPD_LEN) { | |
226ec5fd | 560 | dev_err(adapter->pdev_dev, "bad VPD-R length %u\n", vpdr_len); |
8c357ebd VP |
561 | ret = -EINVAL; |
562 | goto out; | |
226ec5fd DM |
563 | } |
564 | ||
565 | #define FIND_VPD_KW(var, name) do { \ | |
23d88e1d | 566 | var = pci_vpd_find_info_keyword(vpd, kw_offset, vpdr_len, name); \ |
226ec5fd DM |
567 | if (var < 0) { \ |
568 | dev_err(adapter->pdev_dev, "missing VPD keyword " name "\n"); \ | |
8c357ebd VP |
569 | ret = -EINVAL; \ |
570 | goto out; \ | |
226ec5fd DM |
571 | } \ |
572 | var += PCI_VPD_INFO_FLD_HDR_SIZE; \ | |
573 | } while (0) | |
574 | ||
575 | FIND_VPD_KW(i, "RV"); | |
576 | for (csum = 0; i >= 0; i--) | |
577 | csum += vpd[i]; | |
56d36be4 DM |
578 | |
579 | if (csum) { | |
580 | dev_err(adapter->pdev_dev, | |
581 | "corrupted VPD EEPROM, actual csum %u\n", csum); | |
8c357ebd VP |
582 | ret = -EINVAL; |
583 | goto out; | |
56d36be4 DM |
584 | } |
585 | ||
226ec5fd DM |
586 | FIND_VPD_KW(ec, "EC"); |
587 | FIND_VPD_KW(sn, "SN"); | |
226ec5fd DM |
588 | #undef FIND_VPD_KW |
589 | ||
23d88e1d | 590 | memcpy(p->id, vpd + PCI_VPD_LRDT_TAG_SIZE, id_len); |
56d36be4 | 591 | strim(p->id); |
226ec5fd | 592 | memcpy(p->ec, vpd + ec, EC_LEN); |
56d36be4 | 593 | strim(p->ec); |
226ec5fd DM |
594 | i = pci_vpd_info_field_size(vpd + sn - PCI_VPD_INFO_FLD_HDR_SIZE); |
595 | memcpy(p->sn, vpd + sn, min(i, SERNUM_LEN)); | |
56d36be4 | 596 | strim(p->sn); |
636f9d37 VP |
597 | |
598 | /* | |
599 | * Ask firmware for the Core Clock since it knows how to translate the | |
600 | * Reference Clock ('V2') VPD field into a Core Clock value ... | |
601 | */ | |
602 | cclk_param = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | | |
603 | FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_CCLK)); | |
604 | ret = t4_query_params(adapter, adapter->mbox, 0, 0, | |
605 | 1, &cclk_param, &cclk_val); | |
8c357ebd VP |
606 | |
607 | out: | |
608 | vfree(vpd); | |
636f9d37 VP |
609 | if (ret) |
610 | return ret; | |
611 | p->cclk = cclk_val; | |
612 | ||
56d36be4 DM |
613 | return 0; |
614 | } | |
615 | ||
616 | /* serial flash and firmware constants */ | |
617 | enum { | |
618 | SF_ATTEMPTS = 10, /* max retries for SF operations */ | |
619 | ||
620 | /* flash command opcodes */ | |
621 | SF_PROG_PAGE = 2, /* program page */ | |
622 | SF_WR_DISABLE = 4, /* disable writes */ | |
623 | SF_RD_STATUS = 5, /* read status register */ | |
624 | SF_WR_ENABLE = 6, /* enable writes */ | |
625 | SF_RD_DATA_FAST = 0xb, /* read flash */ | |
900a6596 | 626 | SF_RD_ID = 0x9f, /* read ID */ |
56d36be4 DM |
627 | SF_ERASE_SECTOR = 0xd8, /* erase sector */ |
628 | ||
900a6596 | 629 | FW_MAX_SIZE = 512 * 1024, |
56d36be4 DM |
630 | }; |
631 | ||
632 | /** | |
633 | * sf1_read - read data from the serial flash | |
634 | * @adapter: the adapter | |
635 | * @byte_cnt: number of bytes to read | |
636 | * @cont: whether another operation will be chained | |
637 | * @lock: whether to lock SF for PL access only | |
638 | * @valp: where to store the read data | |
639 | * | |
640 | * Reads up to 4 bytes of data from the serial flash. The location of | |
641 | * the read needs to be specified prior to calling this by issuing the | |
642 | * appropriate commands to the serial flash. | |
643 | */ | |
644 | static int sf1_read(struct adapter *adapter, unsigned int byte_cnt, int cont, | |
645 | int lock, u32 *valp) | |
646 | { | |
647 | int ret; | |
648 | ||
649 | if (!byte_cnt || byte_cnt > 4) | |
650 | return -EINVAL; | |
ce91a923 | 651 | if (t4_read_reg(adapter, SF_OP) & SF_BUSY) |
56d36be4 DM |
652 | return -EBUSY; |
653 | cont = cont ? SF_CONT : 0; | |
654 | lock = lock ? SF_LOCK : 0; | |
655 | t4_write_reg(adapter, SF_OP, lock | cont | BYTECNT(byte_cnt - 1)); | |
ce91a923 | 656 | ret = t4_wait_op_done(adapter, SF_OP, SF_BUSY, 0, SF_ATTEMPTS, 5); |
56d36be4 DM |
657 | if (!ret) |
658 | *valp = t4_read_reg(adapter, SF_DATA); | |
659 | return ret; | |
660 | } | |
661 | ||
662 | /** | |
663 | * sf1_write - write data to the serial flash | |
664 | * @adapter: the adapter | |
665 | * @byte_cnt: number of bytes to write | |
666 | * @cont: whether another operation will be chained | |
667 | * @lock: whether to lock SF for PL access only | |
668 | * @val: value to write | |
669 | * | |
670 | * Writes up to 4 bytes of data to the serial flash. The location of | |
671 | * the write needs to be specified prior to calling this by issuing the | |
672 | * appropriate commands to the serial flash. | |
673 | */ | |
674 | static int sf1_write(struct adapter *adapter, unsigned int byte_cnt, int cont, | |
675 | int lock, u32 val) | |
676 | { | |
677 | if (!byte_cnt || byte_cnt > 4) | |
678 | return -EINVAL; | |
ce91a923 | 679 | if (t4_read_reg(adapter, SF_OP) & SF_BUSY) |
56d36be4 DM |
680 | return -EBUSY; |
681 | cont = cont ? SF_CONT : 0; | |
682 | lock = lock ? SF_LOCK : 0; | |
683 | t4_write_reg(adapter, SF_DATA, val); | |
684 | t4_write_reg(adapter, SF_OP, lock | | |
685 | cont | BYTECNT(byte_cnt - 1) | OP_WR); | |
ce91a923 | 686 | return t4_wait_op_done(adapter, SF_OP, SF_BUSY, 0, SF_ATTEMPTS, 5); |
56d36be4 DM |
687 | } |
688 | ||
689 | /** | |
690 | * flash_wait_op - wait for a flash operation to complete | |
691 | * @adapter: the adapter | |
692 | * @attempts: max number of polls of the status register | |
693 | * @delay: delay between polls in ms | |
694 | * | |
695 | * Wait for a flash operation to complete by polling the status register. | |
696 | */ | |
697 | static int flash_wait_op(struct adapter *adapter, int attempts, int delay) | |
698 | { | |
699 | int ret; | |
700 | u32 status; | |
701 | ||
702 | while (1) { | |
703 | if ((ret = sf1_write(adapter, 1, 1, 1, SF_RD_STATUS)) != 0 || | |
704 | (ret = sf1_read(adapter, 1, 0, 1, &status)) != 0) | |
705 | return ret; | |
706 | if (!(status & 1)) | |
707 | return 0; | |
708 | if (--attempts == 0) | |
709 | return -EAGAIN; | |
710 | if (delay) | |
711 | msleep(delay); | |
712 | } | |
713 | } | |
714 | ||
715 | /** | |
716 | * t4_read_flash - read words from serial flash | |
717 | * @adapter: the adapter | |
718 | * @addr: the start address for the read | |
719 | * @nwords: how many 32-bit words to read | |
720 | * @data: where to store the read data | |
721 | * @byte_oriented: whether to store data as bytes or as words | |
722 | * | |
723 | * Read the specified number of 32-bit words from the serial flash. | |
724 | * If @byte_oriented is set the read data is stored as a byte array | |
725 | * (i.e., big-endian), otherwise as 32-bit words in the platform's | |
726 | * natural endianess. | |
727 | */ | |
de498c89 RD |
728 | static int t4_read_flash(struct adapter *adapter, unsigned int addr, |
729 | unsigned int nwords, u32 *data, int byte_oriented) | |
56d36be4 DM |
730 | { |
731 | int ret; | |
732 | ||
900a6596 | 733 | if (addr + nwords * sizeof(u32) > adapter->params.sf_size || (addr & 3)) |
56d36be4 DM |
734 | return -EINVAL; |
735 | ||
736 | addr = swab32(addr) | SF_RD_DATA_FAST; | |
737 | ||
738 | if ((ret = sf1_write(adapter, 4, 1, 0, addr)) != 0 || | |
739 | (ret = sf1_read(adapter, 1, 1, 0, data)) != 0) | |
740 | return ret; | |
741 | ||
742 | for ( ; nwords; nwords--, data++) { | |
743 | ret = sf1_read(adapter, 4, nwords > 1, nwords == 1, data); | |
744 | if (nwords == 1) | |
745 | t4_write_reg(adapter, SF_OP, 0); /* unlock SF */ | |
746 | if (ret) | |
747 | return ret; | |
748 | if (byte_oriented) | |
404d9e3f | 749 | *data = (__force __u32) (htonl(*data)); |
56d36be4 DM |
750 | } |
751 | return 0; | |
752 | } | |
753 | ||
754 | /** | |
755 | * t4_write_flash - write up to a page of data to the serial flash | |
756 | * @adapter: the adapter | |
757 | * @addr: the start address to write | |
758 | * @n: length of data to write in bytes | |
759 | * @data: the data to write | |
760 | * | |
761 | * Writes up to a page of data (256 bytes) to the serial flash starting | |
762 | * at the given address. All the data must be written to the same page. | |
763 | */ | |
764 | static int t4_write_flash(struct adapter *adapter, unsigned int addr, | |
765 | unsigned int n, const u8 *data) | |
766 | { | |
767 | int ret; | |
768 | u32 buf[64]; | |
769 | unsigned int i, c, left, val, offset = addr & 0xff; | |
770 | ||
900a6596 | 771 | if (addr >= adapter->params.sf_size || offset + n > SF_PAGE_SIZE) |
56d36be4 DM |
772 | return -EINVAL; |
773 | ||
774 | val = swab32(addr) | SF_PROG_PAGE; | |
775 | ||
776 | if ((ret = sf1_write(adapter, 1, 0, 1, SF_WR_ENABLE)) != 0 || | |
777 | (ret = sf1_write(adapter, 4, 1, 1, val)) != 0) | |
778 | goto unlock; | |
779 | ||
780 | for (left = n; left; left -= c) { | |
781 | c = min(left, 4U); | |
782 | for (val = 0, i = 0; i < c; ++i) | |
783 | val = (val << 8) + *data++; | |
784 | ||
785 | ret = sf1_write(adapter, c, c != left, 1, val); | |
786 | if (ret) | |
787 | goto unlock; | |
788 | } | |
900a6596 | 789 | ret = flash_wait_op(adapter, 8, 1); |
56d36be4 DM |
790 | if (ret) |
791 | goto unlock; | |
792 | ||
793 | t4_write_reg(adapter, SF_OP, 0); /* unlock SF */ | |
794 | ||
795 | /* Read the page to verify the write succeeded */ | |
796 | ret = t4_read_flash(adapter, addr & ~0xff, ARRAY_SIZE(buf), buf, 1); | |
797 | if (ret) | |
798 | return ret; | |
799 | ||
800 | if (memcmp(data - n, (u8 *)buf + offset, n)) { | |
801 | dev_err(adapter->pdev_dev, | |
802 | "failed to correctly write the flash page at %#x\n", | |
803 | addr); | |
804 | return -EIO; | |
805 | } | |
806 | return 0; | |
807 | ||
808 | unlock: | |
809 | t4_write_reg(adapter, SF_OP, 0); /* unlock SF */ | |
810 | return ret; | |
811 | } | |
812 | ||
813 | /** | |
814 | * get_fw_version - read the firmware version | |
815 | * @adapter: the adapter | |
816 | * @vers: where to place the version | |
817 | * | |
818 | * Reads the FW version from flash. | |
819 | */ | |
820 | static int get_fw_version(struct adapter *adapter, u32 *vers) | |
821 | { | |
900a6596 DM |
822 | return t4_read_flash(adapter, adapter->params.sf_fw_start + |
823 | offsetof(struct fw_hdr, fw_ver), 1, vers, 0); | |
56d36be4 DM |
824 | } |
825 | ||
826 | /** | |
827 | * get_tp_version - read the TP microcode version | |
828 | * @adapter: the adapter | |
829 | * @vers: where to place the version | |
830 | * | |
831 | * Reads the TP microcode version from flash. | |
832 | */ | |
833 | static int get_tp_version(struct adapter *adapter, u32 *vers) | |
834 | { | |
900a6596 DM |
835 | return t4_read_flash(adapter, adapter->params.sf_fw_start + |
836 | offsetof(struct fw_hdr, tp_microcode_ver), | |
56d36be4 DM |
837 | 1, vers, 0); |
838 | } | |
839 | ||
840 | /** | |
841 | * t4_check_fw_version - check if the FW is compatible with this driver | |
842 | * @adapter: the adapter | |
843 | * | |
844 | * Checks if an adapter's FW is compatible with the driver. Returns 0 | |
845 | * if there's exact match, a negative error if the version could not be | |
846 | * read or there's a major version mismatch, and a positive value if the | |
847 | * expected major version is found but there's a minor version mismatch. | |
848 | */ | |
849 | int t4_check_fw_version(struct adapter *adapter) | |
850 | { | |
851 | u32 api_vers[2]; | |
852 | int ret, major, minor, micro; | |
853 | ||
854 | ret = get_fw_version(adapter, &adapter->params.fw_vers); | |
855 | if (!ret) | |
856 | ret = get_tp_version(adapter, &adapter->params.tp_vers); | |
857 | if (!ret) | |
900a6596 DM |
858 | ret = t4_read_flash(adapter, adapter->params.sf_fw_start + |
859 | offsetof(struct fw_hdr, intfver_nic), | |
860 | 2, api_vers, 1); | |
56d36be4 DM |
861 | if (ret) |
862 | return ret; | |
863 | ||
864 | major = FW_HDR_FW_VER_MAJOR_GET(adapter->params.fw_vers); | |
865 | minor = FW_HDR_FW_VER_MINOR_GET(adapter->params.fw_vers); | |
866 | micro = FW_HDR_FW_VER_MICRO_GET(adapter->params.fw_vers); | |
867 | memcpy(adapter->params.api_vers, api_vers, | |
868 | sizeof(adapter->params.api_vers)); | |
869 | ||
870 | if (major != FW_VERSION_MAJOR) { /* major mismatch - fail */ | |
871 | dev_err(adapter->pdev_dev, | |
872 | "card FW has major version %u, driver wants %u\n", | |
873 | major, FW_VERSION_MAJOR); | |
874 | return -EINVAL; | |
875 | } | |
876 | ||
877 | if (minor == FW_VERSION_MINOR && micro == FW_VERSION_MICRO) | |
878 | return 0; /* perfect match */ | |
879 | ||
880 | /* Minor/micro version mismatch. Report it but often it's OK. */ | |
881 | return 1; | |
882 | } | |
883 | ||
884 | /** | |
885 | * t4_flash_erase_sectors - erase a range of flash sectors | |
886 | * @adapter: the adapter | |
887 | * @start: the first sector to erase | |
888 | * @end: the last sector to erase | |
889 | * | |
890 | * Erases the sectors in the given inclusive range. | |
891 | */ | |
892 | static int t4_flash_erase_sectors(struct adapter *adapter, int start, int end) | |
893 | { | |
894 | int ret = 0; | |
895 | ||
896 | while (start <= end) { | |
897 | if ((ret = sf1_write(adapter, 1, 0, 1, SF_WR_ENABLE)) != 0 || | |
898 | (ret = sf1_write(adapter, 4, 0, 1, | |
899 | SF_ERASE_SECTOR | (start << 8))) != 0 || | |
900a6596 | 900 | (ret = flash_wait_op(adapter, 14, 500)) != 0) { |
56d36be4 DM |
901 | dev_err(adapter->pdev_dev, |
902 | "erase of flash sector %d failed, error %d\n", | |
903 | start, ret); | |
904 | break; | |
905 | } | |
906 | start++; | |
907 | } | |
908 | t4_write_reg(adapter, SF_OP, 0); /* unlock SF */ | |
909 | return ret; | |
910 | } | |
911 | ||
636f9d37 VP |
912 | /** |
913 | * t4_flash_cfg_addr - return the address of the flash configuration file | |
914 | * @adapter: the adapter | |
915 | * | |
916 | * Return the address within the flash where the Firmware Configuration | |
917 | * File is stored. | |
918 | */ | |
919 | unsigned int t4_flash_cfg_addr(struct adapter *adapter) | |
920 | { | |
921 | if (adapter->params.sf_size == 0x100000) | |
922 | return FLASH_FPGA_CFG_START; | |
923 | else | |
924 | return FLASH_CFG_START; | |
925 | } | |
926 | ||
927 | /** | |
928 | * t4_load_cfg - download config file | |
929 | * @adap: the adapter | |
930 | * @cfg_data: the cfg text file to write | |
931 | * @size: text file size | |
932 | * | |
933 | * Write the supplied config text file to the card's serial flash. | |
934 | */ | |
935 | int t4_load_cfg(struct adapter *adap, const u8 *cfg_data, unsigned int size) | |
936 | { | |
937 | int ret, i, n; | |
938 | unsigned int addr; | |
939 | unsigned int flash_cfg_start_sec; | |
940 | unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec; | |
941 | ||
942 | addr = t4_flash_cfg_addr(adap); | |
943 | flash_cfg_start_sec = addr / SF_SEC_SIZE; | |
944 | ||
945 | if (size > FLASH_CFG_MAX_SIZE) { | |
946 | dev_err(adap->pdev_dev, "cfg file too large, max is %u bytes\n", | |
947 | FLASH_CFG_MAX_SIZE); | |
948 | return -EFBIG; | |
949 | } | |
950 | ||
951 | i = DIV_ROUND_UP(FLASH_CFG_MAX_SIZE, /* # of sectors spanned */ | |
952 | sf_sec_size); | |
953 | ret = t4_flash_erase_sectors(adap, flash_cfg_start_sec, | |
954 | flash_cfg_start_sec + i - 1); | |
955 | /* | |
956 | * If size == 0 then we're simply erasing the FLASH sectors associated | |
957 | * with the on-adapter Firmware Configuration File. | |
958 | */ | |
959 | if (ret || size == 0) | |
960 | goto out; | |
961 | ||
962 | /* this will write to the flash up to SF_PAGE_SIZE at a time */ | |
963 | for (i = 0; i < size; i += SF_PAGE_SIZE) { | |
964 | if ((size - i) < SF_PAGE_SIZE) | |
965 | n = size - i; | |
966 | else | |
967 | n = SF_PAGE_SIZE; | |
968 | ret = t4_write_flash(adap, addr, n, cfg_data); | |
969 | if (ret) | |
970 | goto out; | |
971 | ||
972 | addr += SF_PAGE_SIZE; | |
973 | cfg_data += SF_PAGE_SIZE; | |
974 | } | |
975 | ||
976 | out: | |
977 | if (ret) | |
978 | dev_err(adap->pdev_dev, "config file %s failed %d\n", | |
979 | (size == 0 ? "clear" : "download"), ret); | |
980 | return ret; | |
981 | } | |
982 | ||
56d36be4 DM |
983 | /** |
984 | * t4_load_fw - download firmware | |
985 | * @adap: the adapter | |
986 | * @fw_data: the firmware image to write | |
987 | * @size: image size | |
988 | * | |
989 | * Write the supplied firmware image to the card's serial flash. | |
990 | */ | |
991 | int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size) | |
992 | { | |
993 | u32 csum; | |
994 | int ret, addr; | |
995 | unsigned int i; | |
996 | u8 first_page[SF_PAGE_SIZE]; | |
404d9e3f | 997 | const __be32 *p = (const __be32 *)fw_data; |
56d36be4 | 998 | const struct fw_hdr *hdr = (const struct fw_hdr *)fw_data; |
900a6596 DM |
999 | unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec; |
1000 | unsigned int fw_img_start = adap->params.sf_fw_start; | |
1001 | unsigned int fw_start_sec = fw_img_start / sf_sec_size; | |
56d36be4 DM |
1002 | |
1003 | if (!size) { | |
1004 | dev_err(adap->pdev_dev, "FW image has no data\n"); | |
1005 | return -EINVAL; | |
1006 | } | |
1007 | if (size & 511) { | |
1008 | dev_err(adap->pdev_dev, | |
1009 | "FW image size not multiple of 512 bytes\n"); | |
1010 | return -EINVAL; | |
1011 | } | |
1012 | if (ntohs(hdr->len512) * 512 != size) { | |
1013 | dev_err(adap->pdev_dev, | |
1014 | "FW image size differs from size in FW header\n"); | |
1015 | return -EINVAL; | |
1016 | } | |
1017 | if (size > FW_MAX_SIZE) { | |
1018 | dev_err(adap->pdev_dev, "FW image too large, max is %u bytes\n", | |
1019 | FW_MAX_SIZE); | |
1020 | return -EFBIG; | |
1021 | } | |
1022 | ||
1023 | for (csum = 0, i = 0; i < size / sizeof(csum); i++) | |
1024 | csum += ntohl(p[i]); | |
1025 | ||
1026 | if (csum != 0xffffffff) { | |
1027 | dev_err(adap->pdev_dev, | |
1028 | "corrupted firmware image, checksum %#x\n", csum); | |
1029 | return -EINVAL; | |
1030 | } | |
1031 | ||
900a6596 DM |
1032 | i = DIV_ROUND_UP(size, sf_sec_size); /* # of sectors spanned */ |
1033 | ret = t4_flash_erase_sectors(adap, fw_start_sec, fw_start_sec + i - 1); | |
56d36be4 DM |
1034 | if (ret) |
1035 | goto out; | |
1036 | ||
1037 | /* | |
1038 | * We write the correct version at the end so the driver can see a bad | |
1039 | * version if the FW write fails. Start by writing a copy of the | |
1040 | * first page with a bad version. | |
1041 | */ | |
1042 | memcpy(first_page, fw_data, SF_PAGE_SIZE); | |
1043 | ((struct fw_hdr *)first_page)->fw_ver = htonl(0xffffffff); | |
900a6596 | 1044 | ret = t4_write_flash(adap, fw_img_start, SF_PAGE_SIZE, first_page); |
56d36be4 DM |
1045 | if (ret) |
1046 | goto out; | |
1047 | ||
900a6596 | 1048 | addr = fw_img_start; |
56d36be4 DM |
1049 | for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) { |
1050 | addr += SF_PAGE_SIZE; | |
1051 | fw_data += SF_PAGE_SIZE; | |
1052 | ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, fw_data); | |
1053 | if (ret) | |
1054 | goto out; | |
1055 | } | |
1056 | ||
1057 | ret = t4_write_flash(adap, | |
900a6596 | 1058 | fw_img_start + offsetof(struct fw_hdr, fw_ver), |
56d36be4 DM |
1059 | sizeof(hdr->fw_ver), (const u8 *)&hdr->fw_ver); |
1060 | out: | |
1061 | if (ret) | |
1062 | dev_err(adap->pdev_dev, "firmware download failed, error %d\n", | |
1063 | ret); | |
1064 | return ret; | |
1065 | } | |
1066 | ||
1067 | #define ADVERT_MASK (FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G |\ | |
1068 | FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_ANEG) | |
1069 | ||
1070 | /** | |
1071 | * t4_link_start - apply link configuration to MAC/PHY | |
1072 | * @phy: the PHY to setup | |
1073 | * @mac: the MAC to setup | |
1074 | * @lc: the requested link configuration | |
1075 | * | |
1076 | * Set up a port's MAC and PHY according to a desired link configuration. | |
1077 | * - If the PHY can auto-negotiate first decide what to advertise, then | |
1078 | * enable/disable auto-negotiation as desired, and reset. | |
1079 | * - If the PHY does not auto-negotiate just reset it. | |
1080 | * - If auto-negotiation is off set the MAC to the proper speed/duplex/FC, | |
1081 | * otherwise do it later based on the outcome of auto-negotiation. | |
1082 | */ | |
1083 | int t4_link_start(struct adapter *adap, unsigned int mbox, unsigned int port, | |
1084 | struct link_config *lc) | |
1085 | { | |
1086 | struct fw_port_cmd c; | |
1087 | unsigned int fc = 0, mdi = FW_PORT_MDI(FW_PORT_MDI_AUTO); | |
1088 | ||
1089 | lc->link_ok = 0; | |
1090 | if (lc->requested_fc & PAUSE_RX) | |
1091 | fc |= FW_PORT_CAP_FC_RX; | |
1092 | if (lc->requested_fc & PAUSE_TX) | |
1093 | fc |= FW_PORT_CAP_FC_TX; | |
1094 | ||
1095 | memset(&c, 0, sizeof(c)); | |
1096 | c.op_to_portid = htonl(FW_CMD_OP(FW_PORT_CMD) | FW_CMD_REQUEST | | |
1097 | FW_CMD_EXEC | FW_PORT_CMD_PORTID(port)); | |
1098 | c.action_to_len16 = htonl(FW_PORT_CMD_ACTION(FW_PORT_ACTION_L1_CFG) | | |
1099 | FW_LEN16(c)); | |
1100 | ||
1101 | if (!(lc->supported & FW_PORT_CAP_ANEG)) { | |
1102 | c.u.l1cfg.rcap = htonl((lc->supported & ADVERT_MASK) | fc); | |
1103 | lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); | |
1104 | } else if (lc->autoneg == AUTONEG_DISABLE) { | |
1105 | c.u.l1cfg.rcap = htonl(lc->requested_speed | fc | mdi); | |
1106 | lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); | |
1107 | } else | |
1108 | c.u.l1cfg.rcap = htonl(lc->advertising | fc | mdi); | |
1109 | ||
1110 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
1111 | } | |
1112 | ||
1113 | /** | |
1114 | * t4_restart_aneg - restart autonegotiation | |
1115 | * @adap: the adapter | |
1116 | * @mbox: mbox to use for the FW command | |
1117 | * @port: the port id | |
1118 | * | |
1119 | * Restarts autonegotiation for the selected port. | |
1120 | */ | |
1121 | int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port) | |
1122 | { | |
1123 | struct fw_port_cmd c; | |
1124 | ||
1125 | memset(&c, 0, sizeof(c)); | |
1126 | c.op_to_portid = htonl(FW_CMD_OP(FW_PORT_CMD) | FW_CMD_REQUEST | | |
1127 | FW_CMD_EXEC | FW_PORT_CMD_PORTID(port)); | |
1128 | c.action_to_len16 = htonl(FW_PORT_CMD_ACTION(FW_PORT_ACTION_L1_CFG) | | |
1129 | FW_LEN16(c)); | |
1130 | c.u.l1cfg.rcap = htonl(FW_PORT_CAP_ANEG); | |
1131 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
1132 | } | |
1133 | ||
8caa1e84 VP |
1134 | typedef void (*int_handler_t)(struct adapter *adap); |
1135 | ||
56d36be4 DM |
1136 | struct intr_info { |
1137 | unsigned int mask; /* bits to check in interrupt status */ | |
1138 | const char *msg; /* message to print or NULL */ | |
1139 | short stat_idx; /* stat counter to increment or -1 */ | |
1140 | unsigned short fatal; /* whether the condition reported is fatal */ | |
8caa1e84 | 1141 | int_handler_t int_handler; /* platform-specific int handler */ |
56d36be4 DM |
1142 | }; |
1143 | ||
1144 | /** | |
1145 | * t4_handle_intr_status - table driven interrupt handler | |
1146 | * @adapter: the adapter that generated the interrupt | |
1147 | * @reg: the interrupt status register to process | |
1148 | * @acts: table of interrupt actions | |
1149 | * | |
1150 | * A table driven interrupt handler that applies a set of masks to an | |
1151 | * interrupt status word and performs the corresponding actions if the | |
25985edc | 1152 | * interrupts described by the mask have occurred. The actions include |
56d36be4 DM |
1153 | * optionally emitting a warning or alert message. The table is terminated |
1154 | * by an entry specifying mask 0. Returns the number of fatal interrupt | |
1155 | * conditions. | |
1156 | */ | |
1157 | static int t4_handle_intr_status(struct adapter *adapter, unsigned int reg, | |
1158 | const struct intr_info *acts) | |
1159 | { | |
1160 | int fatal = 0; | |
1161 | unsigned int mask = 0; | |
1162 | unsigned int status = t4_read_reg(adapter, reg); | |
1163 | ||
1164 | for ( ; acts->mask; ++acts) { | |
1165 | if (!(status & acts->mask)) | |
1166 | continue; | |
1167 | if (acts->fatal) { | |
1168 | fatal++; | |
1169 | dev_alert(adapter->pdev_dev, "%s (0x%x)\n", acts->msg, | |
1170 | status & acts->mask); | |
1171 | } else if (acts->msg && printk_ratelimit()) | |
1172 | dev_warn(adapter->pdev_dev, "%s (0x%x)\n", acts->msg, | |
1173 | status & acts->mask); | |
8caa1e84 VP |
1174 | if (acts->int_handler) |
1175 | acts->int_handler(adapter); | |
56d36be4 DM |
1176 | mask |= acts->mask; |
1177 | } | |
1178 | status &= mask; | |
1179 | if (status) /* clear processed interrupts */ | |
1180 | t4_write_reg(adapter, reg, status); | |
1181 | return fatal; | |
1182 | } | |
1183 | ||
1184 | /* | |
1185 | * Interrupt handler for the PCIE module. | |
1186 | */ | |
1187 | static void pcie_intr_handler(struct adapter *adapter) | |
1188 | { | |
005b5717 | 1189 | static const struct intr_info sysbus_intr_info[] = { |
56d36be4 DM |
1190 | { RNPP, "RXNP array parity error", -1, 1 }, |
1191 | { RPCP, "RXPC array parity error", -1, 1 }, | |
1192 | { RCIP, "RXCIF array parity error", -1, 1 }, | |
1193 | { RCCP, "Rx completions control array parity error", -1, 1 }, | |
1194 | { RFTP, "RXFT array parity error", -1, 1 }, | |
1195 | { 0 } | |
1196 | }; | |
005b5717 | 1197 | static const struct intr_info pcie_port_intr_info[] = { |
56d36be4 DM |
1198 | { TPCP, "TXPC array parity error", -1, 1 }, |
1199 | { TNPP, "TXNP array parity error", -1, 1 }, | |
1200 | { TFTP, "TXFT array parity error", -1, 1 }, | |
1201 | { TCAP, "TXCA array parity error", -1, 1 }, | |
1202 | { TCIP, "TXCIF array parity error", -1, 1 }, | |
1203 | { RCAP, "RXCA array parity error", -1, 1 }, | |
1204 | { OTDD, "outbound request TLP discarded", -1, 1 }, | |
1205 | { RDPE, "Rx data parity error", -1, 1 }, | |
1206 | { TDUE, "Tx uncorrectable data error", -1, 1 }, | |
1207 | { 0 } | |
1208 | }; | |
005b5717 | 1209 | static const struct intr_info pcie_intr_info[] = { |
56d36be4 DM |
1210 | { MSIADDRLPERR, "MSI AddrL parity error", -1, 1 }, |
1211 | { MSIADDRHPERR, "MSI AddrH parity error", -1, 1 }, | |
1212 | { MSIDATAPERR, "MSI data parity error", -1, 1 }, | |
1213 | { MSIXADDRLPERR, "MSI-X AddrL parity error", -1, 1 }, | |
1214 | { MSIXADDRHPERR, "MSI-X AddrH parity error", -1, 1 }, | |
1215 | { MSIXDATAPERR, "MSI-X data parity error", -1, 1 }, | |
1216 | { MSIXDIPERR, "MSI-X DI parity error", -1, 1 }, | |
1217 | { PIOCPLPERR, "PCI PIO completion FIFO parity error", -1, 1 }, | |
1218 | { PIOREQPERR, "PCI PIO request FIFO parity error", -1, 1 }, | |
1219 | { TARTAGPERR, "PCI PCI target tag FIFO parity error", -1, 1 }, | |
1220 | { CCNTPERR, "PCI CMD channel count parity error", -1, 1 }, | |
1221 | { CREQPERR, "PCI CMD channel request parity error", -1, 1 }, | |
1222 | { CRSPPERR, "PCI CMD channel response parity error", -1, 1 }, | |
1223 | { DCNTPERR, "PCI DMA channel count parity error", -1, 1 }, | |
1224 | { DREQPERR, "PCI DMA channel request parity error", -1, 1 }, | |
1225 | { DRSPPERR, "PCI DMA channel response parity error", -1, 1 }, | |
1226 | { HCNTPERR, "PCI HMA channel count parity error", -1, 1 }, | |
1227 | { HREQPERR, "PCI HMA channel request parity error", -1, 1 }, | |
1228 | { HRSPPERR, "PCI HMA channel response parity error", -1, 1 }, | |
1229 | { CFGSNPPERR, "PCI config snoop FIFO parity error", -1, 1 }, | |
1230 | { FIDPERR, "PCI FID parity error", -1, 1 }, | |
1231 | { INTXCLRPERR, "PCI INTx clear parity error", -1, 1 }, | |
1232 | { MATAGPERR, "PCI MA tag parity error", -1, 1 }, | |
1233 | { PIOTAGPERR, "PCI PIO tag parity error", -1, 1 }, | |
1234 | { RXCPLPERR, "PCI Rx completion parity error", -1, 1 }, | |
1235 | { RXWRPERR, "PCI Rx write parity error", -1, 1 }, | |
1236 | { RPLPERR, "PCI replay buffer parity error", -1, 1 }, | |
1237 | { PCIESINT, "PCI core secondary fault", -1, 1 }, | |
1238 | { PCIEPINT, "PCI core primary fault", -1, 1 }, | |
1239 | { UNXSPLCPLERR, "PCI unexpected split completion error", -1, 0 }, | |
1240 | { 0 } | |
1241 | }; | |
1242 | ||
1243 | int fat; | |
1244 | ||
1245 | fat = t4_handle_intr_status(adapter, | |
1246 | PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS, | |
1247 | sysbus_intr_info) + | |
1248 | t4_handle_intr_status(adapter, | |
1249 | PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS, | |
1250 | pcie_port_intr_info) + | |
1251 | t4_handle_intr_status(adapter, PCIE_INT_CAUSE, pcie_intr_info); | |
1252 | if (fat) | |
1253 | t4_fatal_err(adapter); | |
1254 | } | |
1255 | ||
1256 | /* | |
1257 | * TP interrupt handler. | |
1258 | */ | |
1259 | static void tp_intr_handler(struct adapter *adapter) | |
1260 | { | |
005b5717 | 1261 | static const struct intr_info tp_intr_info[] = { |
56d36be4 DM |
1262 | { 0x3fffffff, "TP parity error", -1, 1 }, |
1263 | { FLMTXFLSTEMPTY, "TP out of Tx pages", -1, 1 }, | |
1264 | { 0 } | |
1265 | }; | |
1266 | ||
1267 | if (t4_handle_intr_status(adapter, TP_INT_CAUSE, tp_intr_info)) | |
1268 | t4_fatal_err(adapter); | |
1269 | } | |
1270 | ||
1271 | /* | |
1272 | * SGE interrupt handler. | |
1273 | */ | |
1274 | static void sge_intr_handler(struct adapter *adapter) | |
1275 | { | |
1276 | u64 v; | |
1277 | ||
005b5717 | 1278 | static const struct intr_info sge_intr_info[] = { |
56d36be4 DM |
1279 | { ERR_CPL_EXCEED_IQE_SIZE, |
1280 | "SGE received CPL exceeding IQE size", -1, 1 }, | |
1281 | { ERR_INVALID_CIDX_INC, | |
1282 | "SGE GTS CIDX increment too large", -1, 0 }, | |
1283 | { ERR_CPL_OPCODE_0, "SGE received 0-length CPL", -1, 0 }, | |
840f3000 VP |
1284 | { DBFIFO_LP_INT, NULL, -1, 0, t4_db_full }, |
1285 | { DBFIFO_HP_INT, NULL, -1, 0, t4_db_full }, | |
1286 | { ERR_DROPPED_DB, NULL, -1, 0, t4_db_dropped }, | |
56d36be4 DM |
1287 | { ERR_DATA_CPL_ON_HIGH_QID1 | ERR_DATA_CPL_ON_HIGH_QID0, |
1288 | "SGE IQID > 1023 received CPL for FL", -1, 0 }, | |
1289 | { ERR_BAD_DB_PIDX3, "SGE DBP 3 pidx increment too large", -1, | |
1290 | 0 }, | |
1291 | { ERR_BAD_DB_PIDX2, "SGE DBP 2 pidx increment too large", -1, | |
1292 | 0 }, | |
1293 | { ERR_BAD_DB_PIDX1, "SGE DBP 1 pidx increment too large", -1, | |
1294 | 0 }, | |
1295 | { ERR_BAD_DB_PIDX0, "SGE DBP 0 pidx increment too large", -1, | |
1296 | 0 }, | |
1297 | { ERR_ING_CTXT_PRIO, | |
1298 | "SGE too many priority ingress contexts", -1, 0 }, | |
1299 | { ERR_EGR_CTXT_PRIO, | |
1300 | "SGE too many priority egress contexts", -1, 0 }, | |
1301 | { INGRESS_SIZE_ERR, "SGE illegal ingress QID", -1, 0 }, | |
1302 | { EGRESS_SIZE_ERR, "SGE illegal egress QID", -1, 0 }, | |
1303 | { 0 } | |
1304 | }; | |
1305 | ||
1306 | v = (u64)t4_read_reg(adapter, SGE_INT_CAUSE1) | | |
8caa1e84 | 1307 | ((u64)t4_read_reg(adapter, SGE_INT_CAUSE2) << 32); |
56d36be4 DM |
1308 | if (v) { |
1309 | dev_alert(adapter->pdev_dev, "SGE parity error (%#llx)\n", | |
8caa1e84 | 1310 | (unsigned long long)v); |
56d36be4 DM |
1311 | t4_write_reg(adapter, SGE_INT_CAUSE1, v); |
1312 | t4_write_reg(adapter, SGE_INT_CAUSE2, v >> 32); | |
1313 | } | |
1314 | ||
1315 | if (t4_handle_intr_status(adapter, SGE_INT_CAUSE3, sge_intr_info) || | |
1316 | v != 0) | |
1317 | t4_fatal_err(adapter); | |
1318 | } | |
1319 | ||
1320 | /* | |
1321 | * CIM interrupt handler. | |
1322 | */ | |
1323 | static void cim_intr_handler(struct adapter *adapter) | |
1324 | { | |
005b5717 | 1325 | static const struct intr_info cim_intr_info[] = { |
56d36be4 DM |
1326 | { PREFDROPINT, "CIM control register prefetch drop", -1, 1 }, |
1327 | { OBQPARERR, "CIM OBQ parity error", -1, 1 }, | |
1328 | { IBQPARERR, "CIM IBQ parity error", -1, 1 }, | |
1329 | { MBUPPARERR, "CIM mailbox uP parity error", -1, 1 }, | |
1330 | { MBHOSTPARERR, "CIM mailbox host parity error", -1, 1 }, | |
1331 | { TIEQINPARERRINT, "CIM TIEQ outgoing parity error", -1, 1 }, | |
1332 | { TIEQOUTPARERRINT, "CIM TIEQ incoming parity error", -1, 1 }, | |
1333 | { 0 } | |
1334 | }; | |
005b5717 | 1335 | static const struct intr_info cim_upintr_info[] = { |
56d36be4 DM |
1336 | { RSVDSPACEINT, "CIM reserved space access", -1, 1 }, |
1337 | { ILLTRANSINT, "CIM illegal transaction", -1, 1 }, | |
1338 | { ILLWRINT, "CIM illegal write", -1, 1 }, | |
1339 | { ILLRDINT, "CIM illegal read", -1, 1 }, | |
1340 | { ILLRDBEINT, "CIM illegal read BE", -1, 1 }, | |
1341 | { ILLWRBEINT, "CIM illegal write BE", -1, 1 }, | |
1342 | { SGLRDBOOTINT, "CIM single read from boot space", -1, 1 }, | |
1343 | { SGLWRBOOTINT, "CIM single write to boot space", -1, 1 }, | |
1344 | { BLKWRBOOTINT, "CIM block write to boot space", -1, 1 }, | |
1345 | { SGLRDFLASHINT, "CIM single read from flash space", -1, 1 }, | |
1346 | { SGLWRFLASHINT, "CIM single write to flash space", -1, 1 }, | |
1347 | { BLKWRFLASHINT, "CIM block write to flash space", -1, 1 }, | |
1348 | { SGLRDEEPROMINT, "CIM single EEPROM read", -1, 1 }, | |
1349 | { SGLWREEPROMINT, "CIM single EEPROM write", -1, 1 }, | |
1350 | { BLKRDEEPROMINT, "CIM block EEPROM read", -1, 1 }, | |
1351 | { BLKWREEPROMINT, "CIM block EEPROM write", -1, 1 }, | |
1352 | { SGLRDCTLINT , "CIM single read from CTL space", -1, 1 }, | |
1353 | { SGLWRCTLINT , "CIM single write to CTL space", -1, 1 }, | |
1354 | { BLKRDCTLINT , "CIM block read from CTL space", -1, 1 }, | |
1355 | { BLKWRCTLINT , "CIM block write to CTL space", -1, 1 }, | |
1356 | { SGLRDPLINT , "CIM single read from PL space", -1, 1 }, | |
1357 | { SGLWRPLINT , "CIM single write to PL space", -1, 1 }, | |
1358 | { BLKRDPLINT , "CIM block read from PL space", -1, 1 }, | |
1359 | { BLKWRPLINT , "CIM block write to PL space", -1, 1 }, | |
1360 | { REQOVRLOOKUPINT , "CIM request FIFO overwrite", -1, 1 }, | |
1361 | { RSPOVRLOOKUPINT , "CIM response FIFO overwrite", -1, 1 }, | |
1362 | { TIMEOUTINT , "CIM PIF timeout", -1, 1 }, | |
1363 | { TIMEOUTMAINT , "CIM PIF MA timeout", -1, 1 }, | |
1364 | { 0 } | |
1365 | }; | |
1366 | ||
1367 | int fat; | |
1368 | ||
1369 | fat = t4_handle_intr_status(adapter, CIM_HOST_INT_CAUSE, | |
1370 | cim_intr_info) + | |
1371 | t4_handle_intr_status(adapter, CIM_HOST_UPACC_INT_CAUSE, | |
1372 | cim_upintr_info); | |
1373 | if (fat) | |
1374 | t4_fatal_err(adapter); | |
1375 | } | |
1376 | ||
1377 | /* | |
1378 | * ULP RX interrupt handler. | |
1379 | */ | |
1380 | static void ulprx_intr_handler(struct adapter *adapter) | |
1381 | { | |
005b5717 | 1382 | static const struct intr_info ulprx_intr_info[] = { |
91e9a1ec | 1383 | { 0x1800000, "ULPRX context error", -1, 1 }, |
56d36be4 DM |
1384 | { 0x7fffff, "ULPRX parity error", -1, 1 }, |
1385 | { 0 } | |
1386 | }; | |
1387 | ||
1388 | if (t4_handle_intr_status(adapter, ULP_RX_INT_CAUSE, ulprx_intr_info)) | |
1389 | t4_fatal_err(adapter); | |
1390 | } | |
1391 | ||
1392 | /* | |
1393 | * ULP TX interrupt handler. | |
1394 | */ | |
1395 | static void ulptx_intr_handler(struct adapter *adapter) | |
1396 | { | |
005b5717 | 1397 | static const struct intr_info ulptx_intr_info[] = { |
56d36be4 DM |
1398 | { PBL_BOUND_ERR_CH3, "ULPTX channel 3 PBL out of bounds", -1, |
1399 | 0 }, | |
1400 | { PBL_BOUND_ERR_CH2, "ULPTX channel 2 PBL out of bounds", -1, | |
1401 | 0 }, | |
1402 | { PBL_BOUND_ERR_CH1, "ULPTX channel 1 PBL out of bounds", -1, | |
1403 | 0 }, | |
1404 | { PBL_BOUND_ERR_CH0, "ULPTX channel 0 PBL out of bounds", -1, | |
1405 | 0 }, | |
1406 | { 0xfffffff, "ULPTX parity error", -1, 1 }, | |
1407 | { 0 } | |
1408 | }; | |
1409 | ||
1410 | if (t4_handle_intr_status(adapter, ULP_TX_INT_CAUSE, ulptx_intr_info)) | |
1411 | t4_fatal_err(adapter); | |
1412 | } | |
1413 | ||
1414 | /* | |
1415 | * PM TX interrupt handler. | |
1416 | */ | |
1417 | static void pmtx_intr_handler(struct adapter *adapter) | |
1418 | { | |
005b5717 | 1419 | static const struct intr_info pmtx_intr_info[] = { |
56d36be4 DM |
1420 | { PCMD_LEN_OVFL0, "PMTX channel 0 pcmd too large", -1, 1 }, |
1421 | { PCMD_LEN_OVFL1, "PMTX channel 1 pcmd too large", -1, 1 }, | |
1422 | { PCMD_LEN_OVFL2, "PMTX channel 2 pcmd too large", -1, 1 }, | |
1423 | { ZERO_C_CMD_ERROR, "PMTX 0-length pcmd", -1, 1 }, | |
1424 | { PMTX_FRAMING_ERROR, "PMTX framing error", -1, 1 }, | |
1425 | { OESPI_PAR_ERROR, "PMTX oespi parity error", -1, 1 }, | |
1426 | { DB_OPTIONS_PAR_ERROR, "PMTX db_options parity error", -1, 1 }, | |
1427 | { ICSPI_PAR_ERROR, "PMTX icspi parity error", -1, 1 }, | |
1428 | { C_PCMD_PAR_ERROR, "PMTX c_pcmd parity error", -1, 1}, | |
1429 | { 0 } | |
1430 | }; | |
1431 | ||
1432 | if (t4_handle_intr_status(adapter, PM_TX_INT_CAUSE, pmtx_intr_info)) | |
1433 | t4_fatal_err(adapter); | |
1434 | } | |
1435 | ||
1436 | /* | |
1437 | * PM RX interrupt handler. | |
1438 | */ | |
1439 | static void pmrx_intr_handler(struct adapter *adapter) | |
1440 | { | |
005b5717 | 1441 | static const struct intr_info pmrx_intr_info[] = { |
56d36be4 DM |
1442 | { ZERO_E_CMD_ERROR, "PMRX 0-length pcmd", -1, 1 }, |
1443 | { PMRX_FRAMING_ERROR, "PMRX framing error", -1, 1 }, | |
1444 | { OCSPI_PAR_ERROR, "PMRX ocspi parity error", -1, 1 }, | |
1445 | { DB_OPTIONS_PAR_ERROR, "PMRX db_options parity error", -1, 1 }, | |
1446 | { IESPI_PAR_ERROR, "PMRX iespi parity error", -1, 1 }, | |
1447 | { E_PCMD_PAR_ERROR, "PMRX e_pcmd parity error", -1, 1}, | |
1448 | { 0 } | |
1449 | }; | |
1450 | ||
1451 | if (t4_handle_intr_status(adapter, PM_RX_INT_CAUSE, pmrx_intr_info)) | |
1452 | t4_fatal_err(adapter); | |
1453 | } | |
1454 | ||
1455 | /* | |
1456 | * CPL switch interrupt handler. | |
1457 | */ | |
1458 | static void cplsw_intr_handler(struct adapter *adapter) | |
1459 | { | |
005b5717 | 1460 | static const struct intr_info cplsw_intr_info[] = { |
56d36be4 DM |
1461 | { CIM_OP_MAP_PERR, "CPLSW CIM op_map parity error", -1, 1 }, |
1462 | { CIM_OVFL_ERROR, "CPLSW CIM overflow", -1, 1 }, | |
1463 | { TP_FRAMING_ERROR, "CPLSW TP framing error", -1, 1 }, | |
1464 | { SGE_FRAMING_ERROR, "CPLSW SGE framing error", -1, 1 }, | |
1465 | { CIM_FRAMING_ERROR, "CPLSW CIM framing error", -1, 1 }, | |
1466 | { ZERO_SWITCH_ERROR, "CPLSW no-switch error", -1, 1 }, | |
1467 | { 0 } | |
1468 | }; | |
1469 | ||
1470 | if (t4_handle_intr_status(adapter, CPL_INTR_CAUSE, cplsw_intr_info)) | |
1471 | t4_fatal_err(adapter); | |
1472 | } | |
1473 | ||
1474 | /* | |
1475 | * LE interrupt handler. | |
1476 | */ | |
1477 | static void le_intr_handler(struct adapter *adap) | |
1478 | { | |
005b5717 | 1479 | static const struct intr_info le_intr_info[] = { |
56d36be4 DM |
1480 | { LIPMISS, "LE LIP miss", -1, 0 }, |
1481 | { LIP0, "LE 0 LIP error", -1, 0 }, | |
1482 | { PARITYERR, "LE parity error", -1, 1 }, | |
1483 | { UNKNOWNCMD, "LE unknown command", -1, 1 }, | |
1484 | { REQQPARERR, "LE request queue parity error", -1, 1 }, | |
1485 | { 0 } | |
1486 | }; | |
1487 | ||
1488 | if (t4_handle_intr_status(adap, LE_DB_INT_CAUSE, le_intr_info)) | |
1489 | t4_fatal_err(adap); | |
1490 | } | |
1491 | ||
1492 | /* | |
1493 | * MPS interrupt handler. | |
1494 | */ | |
1495 | static void mps_intr_handler(struct adapter *adapter) | |
1496 | { | |
005b5717 | 1497 | static const struct intr_info mps_rx_intr_info[] = { |
56d36be4 DM |
1498 | { 0xffffff, "MPS Rx parity error", -1, 1 }, |
1499 | { 0 } | |
1500 | }; | |
005b5717 | 1501 | static const struct intr_info mps_tx_intr_info[] = { |
56d36be4 DM |
1502 | { TPFIFO, "MPS Tx TP FIFO parity error", -1, 1 }, |
1503 | { NCSIFIFO, "MPS Tx NC-SI FIFO parity error", -1, 1 }, | |
1504 | { TXDATAFIFO, "MPS Tx data FIFO parity error", -1, 1 }, | |
1505 | { TXDESCFIFO, "MPS Tx desc FIFO parity error", -1, 1 }, | |
1506 | { BUBBLE, "MPS Tx underflow", -1, 1 }, | |
1507 | { SECNTERR, "MPS Tx SOP/EOP error", -1, 1 }, | |
1508 | { FRMERR, "MPS Tx framing error", -1, 1 }, | |
1509 | { 0 } | |
1510 | }; | |
005b5717 | 1511 | static const struct intr_info mps_trc_intr_info[] = { |
56d36be4 DM |
1512 | { FILTMEM, "MPS TRC filter parity error", -1, 1 }, |
1513 | { PKTFIFO, "MPS TRC packet FIFO parity error", -1, 1 }, | |
1514 | { MISCPERR, "MPS TRC misc parity error", -1, 1 }, | |
1515 | { 0 } | |
1516 | }; | |
005b5717 | 1517 | static const struct intr_info mps_stat_sram_intr_info[] = { |
56d36be4 DM |
1518 | { 0x1fffff, "MPS statistics SRAM parity error", -1, 1 }, |
1519 | { 0 } | |
1520 | }; | |
005b5717 | 1521 | static const struct intr_info mps_stat_tx_intr_info[] = { |
56d36be4 DM |
1522 | { 0xfffff, "MPS statistics Tx FIFO parity error", -1, 1 }, |
1523 | { 0 } | |
1524 | }; | |
005b5717 | 1525 | static const struct intr_info mps_stat_rx_intr_info[] = { |
56d36be4 DM |
1526 | { 0xffffff, "MPS statistics Rx FIFO parity error", -1, 1 }, |
1527 | { 0 } | |
1528 | }; | |
005b5717 | 1529 | static const struct intr_info mps_cls_intr_info[] = { |
56d36be4 DM |
1530 | { MATCHSRAM, "MPS match SRAM parity error", -1, 1 }, |
1531 | { MATCHTCAM, "MPS match TCAM parity error", -1, 1 }, | |
1532 | { HASHSRAM, "MPS hash SRAM parity error", -1, 1 }, | |
1533 | { 0 } | |
1534 | }; | |
1535 | ||
1536 | int fat; | |
1537 | ||
1538 | fat = t4_handle_intr_status(adapter, MPS_RX_PERR_INT_CAUSE, | |
1539 | mps_rx_intr_info) + | |
1540 | t4_handle_intr_status(adapter, MPS_TX_INT_CAUSE, | |
1541 | mps_tx_intr_info) + | |
1542 | t4_handle_intr_status(adapter, MPS_TRC_INT_CAUSE, | |
1543 | mps_trc_intr_info) + | |
1544 | t4_handle_intr_status(adapter, MPS_STAT_PERR_INT_CAUSE_SRAM, | |
1545 | mps_stat_sram_intr_info) + | |
1546 | t4_handle_intr_status(adapter, MPS_STAT_PERR_INT_CAUSE_TX_FIFO, | |
1547 | mps_stat_tx_intr_info) + | |
1548 | t4_handle_intr_status(adapter, MPS_STAT_PERR_INT_CAUSE_RX_FIFO, | |
1549 | mps_stat_rx_intr_info) + | |
1550 | t4_handle_intr_status(adapter, MPS_CLS_INT_CAUSE, | |
1551 | mps_cls_intr_info); | |
1552 | ||
1553 | t4_write_reg(adapter, MPS_INT_CAUSE, CLSINT | TRCINT | | |
1554 | RXINT | TXINT | STATINT); | |
1555 | t4_read_reg(adapter, MPS_INT_CAUSE); /* flush */ | |
1556 | if (fat) | |
1557 | t4_fatal_err(adapter); | |
1558 | } | |
1559 | ||
1560 | #define MEM_INT_MASK (PERR_INT_CAUSE | ECC_CE_INT_CAUSE | ECC_UE_INT_CAUSE) | |
1561 | ||
1562 | /* | |
1563 | * EDC/MC interrupt handler. | |
1564 | */ | |
1565 | static void mem_intr_handler(struct adapter *adapter, int idx) | |
1566 | { | |
1567 | static const char name[3][5] = { "EDC0", "EDC1", "MC" }; | |
1568 | ||
1569 | unsigned int addr, cnt_addr, v; | |
1570 | ||
1571 | if (idx <= MEM_EDC1) { | |
1572 | addr = EDC_REG(EDC_INT_CAUSE, idx); | |
1573 | cnt_addr = EDC_REG(EDC_ECC_STATUS, idx); | |
1574 | } else { | |
1575 | addr = MC_INT_CAUSE; | |
1576 | cnt_addr = MC_ECC_STATUS; | |
1577 | } | |
1578 | ||
1579 | v = t4_read_reg(adapter, addr) & MEM_INT_MASK; | |
1580 | if (v & PERR_INT_CAUSE) | |
1581 | dev_alert(adapter->pdev_dev, "%s FIFO parity error\n", | |
1582 | name[idx]); | |
1583 | if (v & ECC_CE_INT_CAUSE) { | |
1584 | u32 cnt = ECC_CECNT_GET(t4_read_reg(adapter, cnt_addr)); | |
1585 | ||
1586 | t4_write_reg(adapter, cnt_addr, ECC_CECNT_MASK); | |
1587 | if (printk_ratelimit()) | |
1588 | dev_warn(adapter->pdev_dev, | |
1589 | "%u %s correctable ECC data error%s\n", | |
1590 | cnt, name[idx], cnt > 1 ? "s" : ""); | |
1591 | } | |
1592 | if (v & ECC_UE_INT_CAUSE) | |
1593 | dev_alert(adapter->pdev_dev, | |
1594 | "%s uncorrectable ECC data error\n", name[idx]); | |
1595 | ||
1596 | t4_write_reg(adapter, addr, v); | |
1597 | if (v & (PERR_INT_CAUSE | ECC_UE_INT_CAUSE)) | |
1598 | t4_fatal_err(adapter); | |
1599 | } | |
1600 | ||
1601 | /* | |
1602 | * MA interrupt handler. | |
1603 | */ | |
1604 | static void ma_intr_handler(struct adapter *adap) | |
1605 | { | |
1606 | u32 v, status = t4_read_reg(adap, MA_INT_CAUSE); | |
1607 | ||
1608 | if (status & MEM_PERR_INT_CAUSE) | |
1609 | dev_alert(adap->pdev_dev, | |
1610 | "MA parity error, parity status %#x\n", | |
1611 | t4_read_reg(adap, MA_PARITY_ERROR_STATUS)); | |
1612 | if (status & MEM_WRAP_INT_CAUSE) { | |
1613 | v = t4_read_reg(adap, MA_INT_WRAP_STATUS); | |
1614 | dev_alert(adap->pdev_dev, "MA address wrap-around error by " | |
1615 | "client %u to address %#x\n", | |
1616 | MEM_WRAP_CLIENT_NUM_GET(v), | |
1617 | MEM_WRAP_ADDRESS_GET(v) << 4); | |
1618 | } | |
1619 | t4_write_reg(adap, MA_INT_CAUSE, status); | |
1620 | t4_fatal_err(adap); | |
1621 | } | |
1622 | ||
1623 | /* | |
1624 | * SMB interrupt handler. | |
1625 | */ | |
1626 | static void smb_intr_handler(struct adapter *adap) | |
1627 | { | |
005b5717 | 1628 | static const struct intr_info smb_intr_info[] = { |
56d36be4 DM |
1629 | { MSTTXFIFOPARINT, "SMB master Tx FIFO parity error", -1, 1 }, |
1630 | { MSTRXFIFOPARINT, "SMB master Rx FIFO parity error", -1, 1 }, | |
1631 | { SLVFIFOPARINT, "SMB slave FIFO parity error", -1, 1 }, | |
1632 | { 0 } | |
1633 | }; | |
1634 | ||
1635 | if (t4_handle_intr_status(adap, SMB_INT_CAUSE, smb_intr_info)) | |
1636 | t4_fatal_err(adap); | |
1637 | } | |
1638 | ||
1639 | /* | |
1640 | * NC-SI interrupt handler. | |
1641 | */ | |
1642 | static void ncsi_intr_handler(struct adapter *adap) | |
1643 | { | |
005b5717 | 1644 | static const struct intr_info ncsi_intr_info[] = { |
56d36be4 DM |
1645 | { CIM_DM_PRTY_ERR, "NC-SI CIM parity error", -1, 1 }, |
1646 | { MPS_DM_PRTY_ERR, "NC-SI MPS parity error", -1, 1 }, | |
1647 | { TXFIFO_PRTY_ERR, "NC-SI Tx FIFO parity error", -1, 1 }, | |
1648 | { RXFIFO_PRTY_ERR, "NC-SI Rx FIFO parity error", -1, 1 }, | |
1649 | { 0 } | |
1650 | }; | |
1651 | ||
1652 | if (t4_handle_intr_status(adap, NCSI_INT_CAUSE, ncsi_intr_info)) | |
1653 | t4_fatal_err(adap); | |
1654 | } | |
1655 | ||
1656 | /* | |
1657 | * XGMAC interrupt handler. | |
1658 | */ | |
1659 | static void xgmac_intr_handler(struct adapter *adap, int port) | |
1660 | { | |
1661 | u32 v = t4_read_reg(adap, PORT_REG(port, XGMAC_PORT_INT_CAUSE)); | |
1662 | ||
1663 | v &= TXFIFO_PRTY_ERR | RXFIFO_PRTY_ERR; | |
1664 | if (!v) | |
1665 | return; | |
1666 | ||
1667 | if (v & TXFIFO_PRTY_ERR) | |
1668 | dev_alert(adap->pdev_dev, "XGMAC %d Tx FIFO parity error\n", | |
1669 | port); | |
1670 | if (v & RXFIFO_PRTY_ERR) | |
1671 | dev_alert(adap->pdev_dev, "XGMAC %d Rx FIFO parity error\n", | |
1672 | port); | |
1673 | t4_write_reg(adap, PORT_REG(port, XGMAC_PORT_INT_CAUSE), v); | |
1674 | t4_fatal_err(adap); | |
1675 | } | |
1676 | ||
1677 | /* | |
1678 | * PL interrupt handler. | |
1679 | */ | |
1680 | static void pl_intr_handler(struct adapter *adap) | |
1681 | { | |
005b5717 | 1682 | static const struct intr_info pl_intr_info[] = { |
56d36be4 DM |
1683 | { FATALPERR, "T4 fatal parity error", -1, 1 }, |
1684 | { PERRVFID, "PL VFID_MAP parity error", -1, 1 }, | |
1685 | { 0 } | |
1686 | }; | |
1687 | ||
1688 | if (t4_handle_intr_status(adap, PL_PL_INT_CAUSE, pl_intr_info)) | |
1689 | t4_fatal_err(adap); | |
1690 | } | |
1691 | ||
63bcceec | 1692 | #define PF_INTR_MASK (PFSW) |
56d36be4 DM |
1693 | #define GLBL_INTR_MASK (CIM | MPS | PL | PCIE | MC | EDC0 | \ |
1694 | EDC1 | LE | TP | MA | PM_TX | PM_RX | ULP_RX | \ | |
1695 | CPL_SWITCH | SGE | ULP_TX) | |
1696 | ||
1697 | /** | |
1698 | * t4_slow_intr_handler - control path interrupt handler | |
1699 | * @adapter: the adapter | |
1700 | * | |
1701 | * T4 interrupt handler for non-data global interrupt events, e.g., errors. | |
1702 | * The designation 'slow' is because it involves register reads, while | |
1703 | * data interrupts typically don't involve any MMIOs. | |
1704 | */ | |
1705 | int t4_slow_intr_handler(struct adapter *adapter) | |
1706 | { | |
1707 | u32 cause = t4_read_reg(adapter, PL_INT_CAUSE); | |
1708 | ||
1709 | if (!(cause & GLBL_INTR_MASK)) | |
1710 | return 0; | |
1711 | if (cause & CIM) | |
1712 | cim_intr_handler(adapter); | |
1713 | if (cause & MPS) | |
1714 | mps_intr_handler(adapter); | |
1715 | if (cause & NCSI) | |
1716 | ncsi_intr_handler(adapter); | |
1717 | if (cause & PL) | |
1718 | pl_intr_handler(adapter); | |
1719 | if (cause & SMB) | |
1720 | smb_intr_handler(adapter); | |
1721 | if (cause & XGMAC0) | |
1722 | xgmac_intr_handler(adapter, 0); | |
1723 | if (cause & XGMAC1) | |
1724 | xgmac_intr_handler(adapter, 1); | |
1725 | if (cause & XGMAC_KR0) | |
1726 | xgmac_intr_handler(adapter, 2); | |
1727 | if (cause & XGMAC_KR1) | |
1728 | xgmac_intr_handler(adapter, 3); | |
1729 | if (cause & PCIE) | |
1730 | pcie_intr_handler(adapter); | |
1731 | if (cause & MC) | |
1732 | mem_intr_handler(adapter, MEM_MC); | |
1733 | if (cause & EDC0) | |
1734 | mem_intr_handler(adapter, MEM_EDC0); | |
1735 | if (cause & EDC1) | |
1736 | mem_intr_handler(adapter, MEM_EDC1); | |
1737 | if (cause & LE) | |
1738 | le_intr_handler(adapter); | |
1739 | if (cause & TP) | |
1740 | tp_intr_handler(adapter); | |
1741 | if (cause & MA) | |
1742 | ma_intr_handler(adapter); | |
1743 | if (cause & PM_TX) | |
1744 | pmtx_intr_handler(adapter); | |
1745 | if (cause & PM_RX) | |
1746 | pmrx_intr_handler(adapter); | |
1747 | if (cause & ULP_RX) | |
1748 | ulprx_intr_handler(adapter); | |
1749 | if (cause & CPL_SWITCH) | |
1750 | cplsw_intr_handler(adapter); | |
1751 | if (cause & SGE) | |
1752 | sge_intr_handler(adapter); | |
1753 | if (cause & ULP_TX) | |
1754 | ulptx_intr_handler(adapter); | |
1755 | ||
1756 | /* Clear the interrupts just processed for which we are the master. */ | |
1757 | t4_write_reg(adapter, PL_INT_CAUSE, cause & GLBL_INTR_MASK); | |
1758 | (void) t4_read_reg(adapter, PL_INT_CAUSE); /* flush */ | |
1759 | return 1; | |
1760 | } | |
1761 | ||
1762 | /** | |
1763 | * t4_intr_enable - enable interrupts | |
1764 | * @adapter: the adapter whose interrupts should be enabled | |
1765 | * | |
1766 | * Enable PF-specific interrupts for the calling function and the top-level | |
1767 | * interrupt concentrator for global interrupts. Interrupts are already | |
1768 | * enabled at each module, here we just enable the roots of the interrupt | |
1769 | * hierarchies. | |
1770 | * | |
1771 | * Note: this function should be called only when the driver manages | |
1772 | * non PF-specific interrupts from the various HW modules. Only one PCI | |
1773 | * function at a time should be doing this. | |
1774 | */ | |
1775 | void t4_intr_enable(struct adapter *adapter) | |
1776 | { | |
1777 | u32 pf = SOURCEPF_GET(t4_read_reg(adapter, PL_WHOAMI)); | |
1778 | ||
1779 | t4_write_reg(adapter, SGE_INT_ENABLE3, ERR_CPL_EXCEED_IQE_SIZE | | |
1780 | ERR_INVALID_CIDX_INC | ERR_CPL_OPCODE_0 | | |
1781 | ERR_DROPPED_DB | ERR_DATA_CPL_ON_HIGH_QID1 | | |
1782 | ERR_DATA_CPL_ON_HIGH_QID0 | ERR_BAD_DB_PIDX3 | | |
1783 | ERR_BAD_DB_PIDX2 | ERR_BAD_DB_PIDX1 | | |
1784 | ERR_BAD_DB_PIDX0 | ERR_ING_CTXT_PRIO | | |
1785 | ERR_EGR_CTXT_PRIO | INGRESS_SIZE_ERR | | |
840f3000 | 1786 | DBFIFO_HP_INT | DBFIFO_LP_INT | |
56d36be4 DM |
1787 | EGRESS_SIZE_ERR); |
1788 | t4_write_reg(adapter, MYPF_REG(PL_PF_INT_ENABLE), PF_INTR_MASK); | |
1789 | t4_set_reg_field(adapter, PL_INT_MAP0, 0, 1 << pf); | |
1790 | } | |
1791 | ||
1792 | /** | |
1793 | * t4_intr_disable - disable interrupts | |
1794 | * @adapter: the adapter whose interrupts should be disabled | |
1795 | * | |
1796 | * Disable interrupts. We only disable the top-level interrupt | |
1797 | * concentrators. The caller must be a PCI function managing global | |
1798 | * interrupts. | |
1799 | */ | |
1800 | void t4_intr_disable(struct adapter *adapter) | |
1801 | { | |
1802 | u32 pf = SOURCEPF_GET(t4_read_reg(adapter, PL_WHOAMI)); | |
1803 | ||
1804 | t4_write_reg(adapter, MYPF_REG(PL_PF_INT_ENABLE), 0); | |
1805 | t4_set_reg_field(adapter, PL_INT_MAP0, 1 << pf, 0); | |
1806 | } | |
1807 | ||
56d36be4 DM |
1808 | /** |
1809 | * hash_mac_addr - return the hash value of a MAC address | |
1810 | * @addr: the 48-bit Ethernet MAC address | |
1811 | * | |
1812 | * Hashes a MAC address according to the hash function used by HW inexact | |
1813 | * (hash) address matching. | |
1814 | */ | |
1815 | static int hash_mac_addr(const u8 *addr) | |
1816 | { | |
1817 | u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2]; | |
1818 | u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5]; | |
1819 | a ^= b; | |
1820 | a ^= (a >> 12); | |
1821 | a ^= (a >> 6); | |
1822 | return a & 0x3f; | |
1823 | } | |
1824 | ||
1825 | /** | |
1826 | * t4_config_rss_range - configure a portion of the RSS mapping table | |
1827 | * @adapter: the adapter | |
1828 | * @mbox: mbox to use for the FW command | |
1829 | * @viid: virtual interface whose RSS subtable is to be written | |
1830 | * @start: start entry in the table to write | |
1831 | * @n: how many table entries to write | |
1832 | * @rspq: values for the response queue lookup table | |
1833 | * @nrspq: number of values in @rspq | |
1834 | * | |
1835 | * Programs the selected part of the VI's RSS mapping table with the | |
1836 | * provided values. If @nrspq < @n the supplied values are used repeatedly | |
1837 | * until the full table range is populated. | |
1838 | * | |
1839 | * The caller must ensure the values in @rspq are in the range allowed for | |
1840 | * @viid. | |
1841 | */ | |
1842 | int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid, | |
1843 | int start, int n, const u16 *rspq, unsigned int nrspq) | |
1844 | { | |
1845 | int ret; | |
1846 | const u16 *rsp = rspq; | |
1847 | const u16 *rsp_end = rspq + nrspq; | |
1848 | struct fw_rss_ind_tbl_cmd cmd; | |
1849 | ||
1850 | memset(&cmd, 0, sizeof(cmd)); | |
1851 | cmd.op_to_viid = htonl(FW_CMD_OP(FW_RSS_IND_TBL_CMD) | | |
1852 | FW_CMD_REQUEST | FW_CMD_WRITE | | |
1853 | FW_RSS_IND_TBL_CMD_VIID(viid)); | |
1854 | cmd.retval_len16 = htonl(FW_LEN16(cmd)); | |
1855 | ||
1856 | /* each fw_rss_ind_tbl_cmd takes up to 32 entries */ | |
1857 | while (n > 0) { | |
1858 | int nq = min(n, 32); | |
1859 | __be32 *qp = &cmd.iq0_to_iq2; | |
1860 | ||
1861 | cmd.niqid = htons(nq); | |
1862 | cmd.startidx = htons(start); | |
1863 | ||
1864 | start += nq; | |
1865 | n -= nq; | |
1866 | ||
1867 | while (nq > 0) { | |
1868 | unsigned int v; | |
1869 | ||
1870 | v = FW_RSS_IND_TBL_CMD_IQ0(*rsp); | |
1871 | if (++rsp >= rsp_end) | |
1872 | rsp = rspq; | |
1873 | v |= FW_RSS_IND_TBL_CMD_IQ1(*rsp); | |
1874 | if (++rsp >= rsp_end) | |
1875 | rsp = rspq; | |
1876 | v |= FW_RSS_IND_TBL_CMD_IQ2(*rsp); | |
1877 | if (++rsp >= rsp_end) | |
1878 | rsp = rspq; | |
1879 | ||
1880 | *qp++ = htonl(v); | |
1881 | nq -= 3; | |
1882 | } | |
1883 | ||
1884 | ret = t4_wr_mbox(adapter, mbox, &cmd, sizeof(cmd), NULL); | |
1885 | if (ret) | |
1886 | return ret; | |
1887 | } | |
1888 | return 0; | |
1889 | } | |
1890 | ||
1891 | /** | |
1892 | * t4_config_glbl_rss - configure the global RSS mode | |
1893 | * @adapter: the adapter | |
1894 | * @mbox: mbox to use for the FW command | |
1895 | * @mode: global RSS mode | |
1896 | * @flags: mode-specific flags | |
1897 | * | |
1898 | * Sets the global RSS mode. | |
1899 | */ | |
1900 | int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode, | |
1901 | unsigned int flags) | |
1902 | { | |
1903 | struct fw_rss_glb_config_cmd c; | |
1904 | ||
1905 | memset(&c, 0, sizeof(c)); | |
1906 | c.op_to_write = htonl(FW_CMD_OP(FW_RSS_GLB_CONFIG_CMD) | | |
1907 | FW_CMD_REQUEST | FW_CMD_WRITE); | |
1908 | c.retval_len16 = htonl(FW_LEN16(c)); | |
1909 | if (mode == FW_RSS_GLB_CONFIG_CMD_MODE_MANUAL) { | |
1910 | c.u.manual.mode_pkd = htonl(FW_RSS_GLB_CONFIG_CMD_MODE(mode)); | |
1911 | } else if (mode == FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL) { | |
1912 | c.u.basicvirtual.mode_pkd = | |
1913 | htonl(FW_RSS_GLB_CONFIG_CMD_MODE(mode)); | |
1914 | c.u.basicvirtual.synmapen_to_hashtoeplitz = htonl(flags); | |
1915 | } else | |
1916 | return -EINVAL; | |
1917 | return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL); | |
1918 | } | |
1919 | ||
56d36be4 DM |
1920 | /** |
1921 | * t4_tp_get_tcp_stats - read TP's TCP MIB counters | |
1922 | * @adap: the adapter | |
1923 | * @v4: holds the TCP/IP counter values | |
1924 | * @v6: holds the TCP/IPv6 counter values | |
1925 | * | |
1926 | * Returns the values of TP's TCP/IP and TCP/IPv6 MIB counters. | |
1927 | * Either @v4 or @v6 may be %NULL to skip the corresponding stats. | |
1928 | */ | |
1929 | void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4, | |
1930 | struct tp_tcp_stats *v6) | |
1931 | { | |
1932 | u32 val[TP_MIB_TCP_RXT_SEG_LO - TP_MIB_TCP_OUT_RST + 1]; | |
1933 | ||
1934 | #define STAT_IDX(x) ((TP_MIB_TCP_##x) - TP_MIB_TCP_OUT_RST) | |
1935 | #define STAT(x) val[STAT_IDX(x)] | |
1936 | #define STAT64(x) (((u64)STAT(x##_HI) << 32) | STAT(x##_LO)) | |
1937 | ||
1938 | if (v4) { | |
1939 | t4_read_indirect(adap, TP_MIB_INDEX, TP_MIB_DATA, val, | |
1940 | ARRAY_SIZE(val), TP_MIB_TCP_OUT_RST); | |
1941 | v4->tcpOutRsts = STAT(OUT_RST); | |
1942 | v4->tcpInSegs = STAT64(IN_SEG); | |
1943 | v4->tcpOutSegs = STAT64(OUT_SEG); | |
1944 | v4->tcpRetransSegs = STAT64(RXT_SEG); | |
1945 | } | |
1946 | if (v6) { | |
1947 | t4_read_indirect(adap, TP_MIB_INDEX, TP_MIB_DATA, val, | |
1948 | ARRAY_SIZE(val), TP_MIB_TCP_V6OUT_RST); | |
1949 | v6->tcpOutRsts = STAT(OUT_RST); | |
1950 | v6->tcpInSegs = STAT64(IN_SEG); | |
1951 | v6->tcpOutSegs = STAT64(OUT_SEG); | |
1952 | v6->tcpRetransSegs = STAT64(RXT_SEG); | |
1953 | } | |
1954 | #undef STAT64 | |
1955 | #undef STAT | |
1956 | #undef STAT_IDX | |
1957 | } | |
1958 | ||
56d36be4 DM |
1959 | /** |
1960 | * t4_read_mtu_tbl - returns the values in the HW path MTU table | |
1961 | * @adap: the adapter | |
1962 | * @mtus: where to store the MTU values | |
1963 | * @mtu_log: where to store the MTU base-2 log (may be %NULL) | |
1964 | * | |
1965 | * Reads the HW path MTU table. | |
1966 | */ | |
1967 | void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log) | |
1968 | { | |
1969 | u32 v; | |
1970 | int i; | |
1971 | ||
1972 | for (i = 0; i < NMTUS; ++i) { | |
1973 | t4_write_reg(adap, TP_MTU_TABLE, | |
1974 | MTUINDEX(0xff) | MTUVALUE(i)); | |
1975 | v = t4_read_reg(adap, TP_MTU_TABLE); | |
1976 | mtus[i] = MTUVALUE_GET(v); | |
1977 | if (mtu_log) | |
1978 | mtu_log[i] = MTUWIDTH_GET(v); | |
1979 | } | |
1980 | } | |
1981 | ||
636f9d37 VP |
1982 | /** |
1983 | * t4_tp_wr_bits_indirect - set/clear bits in an indirect TP register | |
1984 | * @adap: the adapter | |
1985 | * @addr: the indirect TP register address | |
1986 | * @mask: specifies the field within the register to modify | |
1987 | * @val: new value for the field | |
1988 | * | |
1989 | * Sets a field of an indirect TP register to the given value. | |
1990 | */ | |
1991 | void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr, | |
1992 | unsigned int mask, unsigned int val) | |
1993 | { | |
1994 | t4_write_reg(adap, TP_PIO_ADDR, addr); | |
1995 | val |= t4_read_reg(adap, TP_PIO_DATA) & ~mask; | |
1996 | t4_write_reg(adap, TP_PIO_DATA, val); | |
1997 | } | |
1998 | ||
56d36be4 DM |
1999 | /** |
2000 | * init_cong_ctrl - initialize congestion control parameters | |
2001 | * @a: the alpha values for congestion control | |
2002 | * @b: the beta values for congestion control | |
2003 | * | |
2004 | * Initialize the congestion control parameters. | |
2005 | */ | |
91744948 | 2006 | static void init_cong_ctrl(unsigned short *a, unsigned short *b) |
56d36be4 DM |
2007 | { |
2008 | a[0] = a[1] = a[2] = a[3] = a[4] = a[5] = a[6] = a[7] = a[8] = 1; | |
2009 | a[9] = 2; | |
2010 | a[10] = 3; | |
2011 | a[11] = 4; | |
2012 | a[12] = 5; | |
2013 | a[13] = 6; | |
2014 | a[14] = 7; | |
2015 | a[15] = 8; | |
2016 | a[16] = 9; | |
2017 | a[17] = 10; | |
2018 | a[18] = 14; | |
2019 | a[19] = 17; | |
2020 | a[20] = 21; | |
2021 | a[21] = 25; | |
2022 | a[22] = 30; | |
2023 | a[23] = 35; | |
2024 | a[24] = 45; | |
2025 | a[25] = 60; | |
2026 | a[26] = 80; | |
2027 | a[27] = 100; | |
2028 | a[28] = 200; | |
2029 | a[29] = 300; | |
2030 | a[30] = 400; | |
2031 | a[31] = 500; | |
2032 | ||
2033 | b[0] = b[1] = b[2] = b[3] = b[4] = b[5] = b[6] = b[7] = b[8] = 0; | |
2034 | b[9] = b[10] = 1; | |
2035 | b[11] = b[12] = 2; | |
2036 | b[13] = b[14] = b[15] = b[16] = 3; | |
2037 | b[17] = b[18] = b[19] = b[20] = b[21] = 4; | |
2038 | b[22] = b[23] = b[24] = b[25] = b[26] = b[27] = 5; | |
2039 | b[28] = b[29] = 6; | |
2040 | b[30] = b[31] = 7; | |
2041 | } | |
2042 | ||
2043 | /* The minimum additive increment value for the congestion control table */ | |
2044 | #define CC_MIN_INCR 2U | |
2045 | ||
2046 | /** | |
2047 | * t4_load_mtus - write the MTU and congestion control HW tables | |
2048 | * @adap: the adapter | |
2049 | * @mtus: the values for the MTU table | |
2050 | * @alpha: the values for the congestion control alpha parameter | |
2051 | * @beta: the values for the congestion control beta parameter | |
2052 | * | |
2053 | * Write the HW MTU table with the supplied MTUs and the high-speed | |
2054 | * congestion control table with the supplied alpha, beta, and MTUs. | |
2055 | * We write the two tables together because the additive increments | |
2056 | * depend on the MTUs. | |
2057 | */ | |
2058 | void t4_load_mtus(struct adapter *adap, const unsigned short *mtus, | |
2059 | const unsigned short *alpha, const unsigned short *beta) | |
2060 | { | |
2061 | static const unsigned int avg_pkts[NCCTRL_WIN] = { | |
2062 | 2, 6, 10, 14, 20, 28, 40, 56, 80, 112, 160, 224, 320, 448, 640, | |
2063 | 896, 1281, 1792, 2560, 3584, 5120, 7168, 10240, 14336, 20480, | |
2064 | 28672, 40960, 57344, 81920, 114688, 163840, 229376 | |
2065 | }; | |
2066 | ||
2067 | unsigned int i, w; | |
2068 | ||
2069 | for (i = 0; i < NMTUS; ++i) { | |
2070 | unsigned int mtu = mtus[i]; | |
2071 | unsigned int log2 = fls(mtu); | |
2072 | ||
2073 | if (!(mtu & ((1 << log2) >> 2))) /* round */ | |
2074 | log2--; | |
2075 | t4_write_reg(adap, TP_MTU_TABLE, MTUINDEX(i) | | |
2076 | MTUWIDTH(log2) | MTUVALUE(mtu)); | |
2077 | ||
2078 | for (w = 0; w < NCCTRL_WIN; ++w) { | |
2079 | unsigned int inc; | |
2080 | ||
2081 | inc = max(((mtu - 40) * alpha[w]) / avg_pkts[w], | |
2082 | CC_MIN_INCR); | |
2083 | ||
2084 | t4_write_reg(adap, TP_CCTRL_TABLE, (i << 21) | | |
2085 | (w << 16) | (beta[w] << 13) | inc); | |
2086 | } | |
2087 | } | |
2088 | } | |
2089 | ||
56d36be4 DM |
2090 | /** |
2091 | * get_mps_bg_map - return the buffer groups associated with a port | |
2092 | * @adap: the adapter | |
2093 | * @idx: the port index | |
2094 | * | |
2095 | * Returns a bitmap indicating which MPS buffer groups are associated | |
2096 | * with the given port. Bit i is set if buffer group i is used by the | |
2097 | * port. | |
2098 | */ | |
2099 | static unsigned int get_mps_bg_map(struct adapter *adap, int idx) | |
2100 | { | |
2101 | u32 n = NUMPORTS_GET(t4_read_reg(adap, MPS_CMN_CTL)); | |
2102 | ||
2103 | if (n == 0) | |
2104 | return idx == 0 ? 0xf : 0; | |
2105 | if (n == 1) | |
2106 | return idx < 2 ? (3 << (2 * idx)) : 0; | |
2107 | return 1 << idx; | |
2108 | } | |
2109 | ||
2110 | /** | |
2111 | * t4_get_port_stats - collect port statistics | |
2112 | * @adap: the adapter | |
2113 | * @idx: the port index | |
2114 | * @p: the stats structure to fill | |
2115 | * | |
2116 | * Collect statistics related to the given port from HW. | |
2117 | */ | |
2118 | void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p) | |
2119 | { | |
2120 | u32 bgmap = get_mps_bg_map(adap, idx); | |
2121 | ||
2122 | #define GET_STAT(name) \ | |
2123 | t4_read_reg64(adap, PORT_REG(idx, MPS_PORT_STAT_##name##_L)) | |
2124 | #define GET_STAT_COM(name) t4_read_reg64(adap, MPS_STAT_##name##_L) | |
2125 | ||
2126 | p->tx_octets = GET_STAT(TX_PORT_BYTES); | |
2127 | p->tx_frames = GET_STAT(TX_PORT_FRAMES); | |
2128 | p->tx_bcast_frames = GET_STAT(TX_PORT_BCAST); | |
2129 | p->tx_mcast_frames = GET_STAT(TX_PORT_MCAST); | |
2130 | p->tx_ucast_frames = GET_STAT(TX_PORT_UCAST); | |
2131 | p->tx_error_frames = GET_STAT(TX_PORT_ERROR); | |
2132 | p->tx_frames_64 = GET_STAT(TX_PORT_64B); | |
2133 | p->tx_frames_65_127 = GET_STAT(TX_PORT_65B_127B); | |
2134 | p->tx_frames_128_255 = GET_STAT(TX_PORT_128B_255B); | |
2135 | p->tx_frames_256_511 = GET_STAT(TX_PORT_256B_511B); | |
2136 | p->tx_frames_512_1023 = GET_STAT(TX_PORT_512B_1023B); | |
2137 | p->tx_frames_1024_1518 = GET_STAT(TX_PORT_1024B_1518B); | |
2138 | p->tx_frames_1519_max = GET_STAT(TX_PORT_1519B_MAX); | |
2139 | p->tx_drop = GET_STAT(TX_PORT_DROP); | |
2140 | p->tx_pause = GET_STAT(TX_PORT_PAUSE); | |
2141 | p->tx_ppp0 = GET_STAT(TX_PORT_PPP0); | |
2142 | p->tx_ppp1 = GET_STAT(TX_PORT_PPP1); | |
2143 | p->tx_ppp2 = GET_STAT(TX_PORT_PPP2); | |
2144 | p->tx_ppp3 = GET_STAT(TX_PORT_PPP3); | |
2145 | p->tx_ppp4 = GET_STAT(TX_PORT_PPP4); | |
2146 | p->tx_ppp5 = GET_STAT(TX_PORT_PPP5); | |
2147 | p->tx_ppp6 = GET_STAT(TX_PORT_PPP6); | |
2148 | p->tx_ppp7 = GET_STAT(TX_PORT_PPP7); | |
2149 | ||
2150 | p->rx_octets = GET_STAT(RX_PORT_BYTES); | |
2151 | p->rx_frames = GET_STAT(RX_PORT_FRAMES); | |
2152 | p->rx_bcast_frames = GET_STAT(RX_PORT_BCAST); | |
2153 | p->rx_mcast_frames = GET_STAT(RX_PORT_MCAST); | |
2154 | p->rx_ucast_frames = GET_STAT(RX_PORT_UCAST); | |
2155 | p->rx_too_long = GET_STAT(RX_PORT_MTU_ERROR); | |
2156 | p->rx_jabber = GET_STAT(RX_PORT_MTU_CRC_ERROR); | |
2157 | p->rx_fcs_err = GET_STAT(RX_PORT_CRC_ERROR); | |
2158 | p->rx_len_err = GET_STAT(RX_PORT_LEN_ERROR); | |
2159 | p->rx_symbol_err = GET_STAT(RX_PORT_SYM_ERROR); | |
2160 | p->rx_runt = GET_STAT(RX_PORT_LESS_64B); | |
2161 | p->rx_frames_64 = GET_STAT(RX_PORT_64B); | |
2162 | p->rx_frames_65_127 = GET_STAT(RX_PORT_65B_127B); | |
2163 | p->rx_frames_128_255 = GET_STAT(RX_PORT_128B_255B); | |
2164 | p->rx_frames_256_511 = GET_STAT(RX_PORT_256B_511B); | |
2165 | p->rx_frames_512_1023 = GET_STAT(RX_PORT_512B_1023B); | |
2166 | p->rx_frames_1024_1518 = GET_STAT(RX_PORT_1024B_1518B); | |
2167 | p->rx_frames_1519_max = GET_STAT(RX_PORT_1519B_MAX); | |
2168 | p->rx_pause = GET_STAT(RX_PORT_PAUSE); | |
2169 | p->rx_ppp0 = GET_STAT(RX_PORT_PPP0); | |
2170 | p->rx_ppp1 = GET_STAT(RX_PORT_PPP1); | |
2171 | p->rx_ppp2 = GET_STAT(RX_PORT_PPP2); | |
2172 | p->rx_ppp3 = GET_STAT(RX_PORT_PPP3); | |
2173 | p->rx_ppp4 = GET_STAT(RX_PORT_PPP4); | |
2174 | p->rx_ppp5 = GET_STAT(RX_PORT_PPP5); | |
2175 | p->rx_ppp6 = GET_STAT(RX_PORT_PPP6); | |
2176 | p->rx_ppp7 = GET_STAT(RX_PORT_PPP7); | |
2177 | ||
2178 | p->rx_ovflow0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_DROP_FRAME) : 0; | |
2179 | p->rx_ovflow1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_DROP_FRAME) : 0; | |
2180 | p->rx_ovflow2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_DROP_FRAME) : 0; | |
2181 | p->rx_ovflow3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_MAC_DROP_FRAME) : 0; | |
2182 | p->rx_trunc0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_TRUNC_FRAME) : 0; | |
2183 | p->rx_trunc1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_TRUNC_FRAME) : 0; | |
2184 | p->rx_trunc2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_TRUNC_FRAME) : 0; | |
2185 | p->rx_trunc3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_MAC_TRUNC_FRAME) : 0; | |
2186 | ||
2187 | #undef GET_STAT | |
2188 | #undef GET_STAT_COM | |
2189 | } | |
2190 | ||
56d36be4 DM |
2191 | /** |
2192 | * t4_wol_magic_enable - enable/disable magic packet WoL | |
2193 | * @adap: the adapter | |
2194 | * @port: the physical port index | |
2195 | * @addr: MAC address expected in magic packets, %NULL to disable | |
2196 | * | |
2197 | * Enables/disables magic packet wake-on-LAN for the selected port. | |
2198 | */ | |
2199 | void t4_wol_magic_enable(struct adapter *adap, unsigned int port, | |
2200 | const u8 *addr) | |
2201 | { | |
2202 | if (addr) { | |
2203 | t4_write_reg(adap, PORT_REG(port, XGMAC_PORT_MAGIC_MACID_LO), | |
2204 | (addr[2] << 24) | (addr[3] << 16) | | |
2205 | (addr[4] << 8) | addr[5]); | |
2206 | t4_write_reg(adap, PORT_REG(port, XGMAC_PORT_MAGIC_MACID_HI), | |
2207 | (addr[0] << 8) | addr[1]); | |
2208 | } | |
2209 | t4_set_reg_field(adap, PORT_REG(port, XGMAC_PORT_CFG2), MAGICEN, | |
2210 | addr ? MAGICEN : 0); | |
2211 | } | |
2212 | ||
2213 | /** | |
2214 | * t4_wol_pat_enable - enable/disable pattern-based WoL | |
2215 | * @adap: the adapter | |
2216 | * @port: the physical port index | |
2217 | * @map: bitmap of which HW pattern filters to set | |
2218 | * @mask0: byte mask for bytes 0-63 of a packet | |
2219 | * @mask1: byte mask for bytes 64-127 of a packet | |
2220 | * @crc: Ethernet CRC for selected bytes | |
2221 | * @enable: enable/disable switch | |
2222 | * | |
2223 | * Sets the pattern filters indicated in @map to mask out the bytes | |
2224 | * specified in @mask0/@mask1 in received packets and compare the CRC of | |
2225 | * the resulting packet against @crc. If @enable is %true pattern-based | |
2226 | * WoL is enabled, otherwise disabled. | |
2227 | */ | |
2228 | int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map, | |
2229 | u64 mask0, u64 mask1, unsigned int crc, bool enable) | |
2230 | { | |
2231 | int i; | |
2232 | ||
2233 | if (!enable) { | |
2234 | t4_set_reg_field(adap, PORT_REG(port, XGMAC_PORT_CFG2), | |
2235 | PATEN, 0); | |
2236 | return 0; | |
2237 | } | |
2238 | if (map > 0xff) | |
2239 | return -EINVAL; | |
2240 | ||
2241 | #define EPIO_REG(name) PORT_REG(port, XGMAC_PORT_EPIO_##name) | |
2242 | ||
2243 | t4_write_reg(adap, EPIO_REG(DATA1), mask0 >> 32); | |
2244 | t4_write_reg(adap, EPIO_REG(DATA2), mask1); | |
2245 | t4_write_reg(adap, EPIO_REG(DATA3), mask1 >> 32); | |
2246 | ||
2247 | for (i = 0; i < NWOL_PAT; i++, map >>= 1) { | |
2248 | if (!(map & 1)) | |
2249 | continue; | |
2250 | ||
2251 | /* write byte masks */ | |
2252 | t4_write_reg(adap, EPIO_REG(DATA0), mask0); | |
2253 | t4_write_reg(adap, EPIO_REG(OP), ADDRESS(i) | EPIOWR); | |
2254 | t4_read_reg(adap, EPIO_REG(OP)); /* flush */ | |
ce91a923 | 2255 | if (t4_read_reg(adap, EPIO_REG(OP)) & SF_BUSY) |
56d36be4 DM |
2256 | return -ETIMEDOUT; |
2257 | ||
2258 | /* write CRC */ | |
2259 | t4_write_reg(adap, EPIO_REG(DATA0), crc); | |
2260 | t4_write_reg(adap, EPIO_REG(OP), ADDRESS(i + 32) | EPIOWR); | |
2261 | t4_read_reg(adap, EPIO_REG(OP)); /* flush */ | |
ce91a923 | 2262 | if (t4_read_reg(adap, EPIO_REG(OP)) & SF_BUSY) |
56d36be4 DM |
2263 | return -ETIMEDOUT; |
2264 | } | |
2265 | #undef EPIO_REG | |
2266 | ||
2267 | t4_set_reg_field(adap, PORT_REG(port, XGMAC_PORT_CFG2), 0, PATEN); | |
2268 | return 0; | |
2269 | } | |
2270 | ||
2271 | #define INIT_CMD(var, cmd, rd_wr) do { \ | |
2272 | (var).op_to_write = htonl(FW_CMD_OP(FW_##cmd##_CMD) | \ | |
2273 | FW_CMD_REQUEST | FW_CMD_##rd_wr); \ | |
2274 | (var).retval_len16 = htonl(FW_LEN16(var)); \ | |
2275 | } while (0) | |
2276 | ||
8caa1e84 VP |
2277 | int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox, |
2278 | u32 addr, u32 val) | |
2279 | { | |
2280 | struct fw_ldst_cmd c; | |
2281 | ||
2282 | memset(&c, 0, sizeof(c)); | |
636f9d37 VP |
2283 | c.op_to_addrspace = htonl(FW_CMD_OP(FW_LDST_CMD) | FW_CMD_REQUEST | |
2284 | FW_CMD_WRITE | | |
2285 | FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_FIRMWARE)); | |
8caa1e84 VP |
2286 | c.cycles_to_len16 = htonl(FW_LEN16(c)); |
2287 | c.u.addrval.addr = htonl(addr); | |
2288 | c.u.addrval.val = htonl(val); | |
2289 | ||
2290 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
2291 | } | |
2292 | ||
49ce9c2c | 2293 | /** |
8caa1e84 VP |
2294 | * t4_mem_win_read_len - read memory through PCIE memory window |
2295 | * @adap: the adapter | |
2296 | * @addr: address of first byte requested aligned on 32b. | |
2297 | * @data: len bytes to hold the data read | |
2298 | * @len: amount of data to read from window. Must be <= | |
2299 | * MEMWIN0_APERATURE after adjusting for 16B alignment | |
2300 | * requirements of the the memory window. | |
2301 | * | |
2302 | * Read len bytes of data from MC starting at @addr. | |
2303 | */ | |
2304 | int t4_mem_win_read_len(struct adapter *adap, u32 addr, __be32 *data, int len) | |
2305 | { | |
2306 | int i; | |
2307 | int off; | |
2308 | ||
2309 | /* | |
2310 | * Align on a 16B boundary. | |
2311 | */ | |
2312 | off = addr & 15; | |
2313 | if ((addr & 3) || (len + off) > MEMWIN0_APERTURE) | |
2314 | return -EINVAL; | |
2315 | ||
840f3000 VP |
2316 | t4_write_reg(adap, PCIE_MEM_ACCESS_OFFSET, addr & ~15); |
2317 | t4_read_reg(adap, PCIE_MEM_ACCESS_OFFSET); | |
8caa1e84 VP |
2318 | |
2319 | for (i = 0; i < len; i += 4) | |
404d9e3f VP |
2320 | *data++ = (__force __be32) t4_read_reg(adap, |
2321 | (MEMWIN0_BASE + off + i)); | |
8caa1e84 VP |
2322 | |
2323 | return 0; | |
2324 | } | |
2325 | ||
56d36be4 DM |
2326 | /** |
2327 | * t4_mdio_rd - read a PHY register through MDIO | |
2328 | * @adap: the adapter | |
2329 | * @mbox: mailbox to use for the FW command | |
2330 | * @phy_addr: the PHY address | |
2331 | * @mmd: the PHY MMD to access (0 for clause 22 PHYs) | |
2332 | * @reg: the register to read | |
2333 | * @valp: where to store the value | |
2334 | * | |
2335 | * Issues a FW command through the given mailbox to read a PHY register. | |
2336 | */ | |
2337 | int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, | |
2338 | unsigned int mmd, unsigned int reg, u16 *valp) | |
2339 | { | |
2340 | int ret; | |
2341 | struct fw_ldst_cmd c; | |
2342 | ||
2343 | memset(&c, 0, sizeof(c)); | |
2344 | c.op_to_addrspace = htonl(FW_CMD_OP(FW_LDST_CMD) | FW_CMD_REQUEST | | |
2345 | FW_CMD_READ | FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MDIO)); | |
2346 | c.cycles_to_len16 = htonl(FW_LEN16(c)); | |
2347 | c.u.mdio.paddr_mmd = htons(FW_LDST_CMD_PADDR(phy_addr) | | |
2348 | FW_LDST_CMD_MMD(mmd)); | |
2349 | c.u.mdio.raddr = htons(reg); | |
2350 | ||
2351 | ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); | |
2352 | if (ret == 0) | |
2353 | *valp = ntohs(c.u.mdio.rval); | |
2354 | return ret; | |
2355 | } | |
2356 | ||
2357 | /** | |
2358 | * t4_mdio_wr - write a PHY register through MDIO | |
2359 | * @adap: the adapter | |
2360 | * @mbox: mailbox to use for the FW command | |
2361 | * @phy_addr: the PHY address | |
2362 | * @mmd: the PHY MMD to access (0 for clause 22 PHYs) | |
2363 | * @reg: the register to write | |
2364 | * @valp: value to write | |
2365 | * | |
2366 | * Issues a FW command through the given mailbox to write a PHY register. | |
2367 | */ | |
2368 | int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, | |
2369 | unsigned int mmd, unsigned int reg, u16 val) | |
2370 | { | |
2371 | struct fw_ldst_cmd c; | |
2372 | ||
2373 | memset(&c, 0, sizeof(c)); | |
2374 | c.op_to_addrspace = htonl(FW_CMD_OP(FW_LDST_CMD) | FW_CMD_REQUEST | | |
2375 | FW_CMD_WRITE | FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MDIO)); | |
2376 | c.cycles_to_len16 = htonl(FW_LEN16(c)); | |
2377 | c.u.mdio.paddr_mmd = htons(FW_LDST_CMD_PADDR(phy_addr) | | |
2378 | FW_LDST_CMD_MMD(mmd)); | |
2379 | c.u.mdio.raddr = htons(reg); | |
2380 | c.u.mdio.rval = htons(val); | |
2381 | ||
2382 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
2383 | } | |
2384 | ||
2385 | /** | |
636f9d37 VP |
2386 | * t4_fw_hello - establish communication with FW |
2387 | * @adap: the adapter | |
2388 | * @mbox: mailbox to use for the FW command | |
2389 | * @evt_mbox: mailbox to receive async FW events | |
2390 | * @master: specifies the caller's willingness to be the device master | |
2391 | * @state: returns the current device state (if non-NULL) | |
56d36be4 | 2392 | * |
636f9d37 VP |
2393 | * Issues a command to establish communication with FW. Returns either |
2394 | * an error (negative integer) or the mailbox of the Master PF. | |
56d36be4 DM |
2395 | */ |
2396 | int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox, | |
2397 | enum dev_master master, enum dev_state *state) | |
2398 | { | |
2399 | int ret; | |
2400 | struct fw_hello_cmd c; | |
636f9d37 VP |
2401 | u32 v; |
2402 | unsigned int master_mbox; | |
2403 | int retries = FW_CMD_HELLO_RETRIES; | |
56d36be4 | 2404 | |
636f9d37 VP |
2405 | retry: |
2406 | memset(&c, 0, sizeof(c)); | |
56d36be4 | 2407 | INIT_CMD(c, HELLO, WRITE); |
ce91a923 | 2408 | c.err_to_clearinit = htonl( |
56d36be4 DM |
2409 | FW_HELLO_CMD_MASTERDIS(master == MASTER_CANT) | |
2410 | FW_HELLO_CMD_MASTERFORCE(master == MASTER_MUST) | | |
636f9d37 VP |
2411 | FW_HELLO_CMD_MBMASTER(master == MASTER_MUST ? mbox : |
2412 | FW_HELLO_CMD_MBMASTER_MASK) | | |
2413 | FW_HELLO_CMD_MBASYNCNOT(evt_mbox) | | |
2414 | FW_HELLO_CMD_STAGE(fw_hello_cmd_stage_os) | | |
2415 | FW_HELLO_CMD_CLEARINIT); | |
56d36be4 | 2416 | |
636f9d37 VP |
2417 | /* |
2418 | * Issue the HELLO command to the firmware. If it's not successful | |
2419 | * but indicates that we got a "busy" or "timeout" condition, retry | |
2420 | * the HELLO until we exhaust our retry limit. | |
2421 | */ | |
56d36be4 | 2422 | ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); |
636f9d37 VP |
2423 | if (ret < 0) { |
2424 | if ((ret == -EBUSY || ret == -ETIMEDOUT) && retries-- > 0) | |
2425 | goto retry; | |
2426 | return ret; | |
2427 | } | |
2428 | ||
ce91a923 | 2429 | v = ntohl(c.err_to_clearinit); |
636f9d37 VP |
2430 | master_mbox = FW_HELLO_CMD_MBMASTER_GET(v); |
2431 | if (state) { | |
2432 | if (v & FW_HELLO_CMD_ERR) | |
56d36be4 | 2433 | *state = DEV_STATE_ERR; |
636f9d37 VP |
2434 | else if (v & FW_HELLO_CMD_INIT) |
2435 | *state = DEV_STATE_INIT; | |
56d36be4 DM |
2436 | else |
2437 | *state = DEV_STATE_UNINIT; | |
2438 | } | |
636f9d37 VP |
2439 | |
2440 | /* | |
2441 | * If we're not the Master PF then we need to wait around for the | |
2442 | * Master PF Driver to finish setting up the adapter. | |
2443 | * | |
2444 | * Note that we also do this wait if we're a non-Master-capable PF and | |
2445 | * there is no current Master PF; a Master PF may show up momentarily | |
2446 | * and we wouldn't want to fail pointlessly. (This can happen when an | |
2447 | * OS loads lots of different drivers rapidly at the same time). In | |
2448 | * this case, the Master PF returned by the firmware will be | |
2449 | * FW_PCIE_FW_MASTER_MASK so the test below will work ... | |
2450 | */ | |
2451 | if ((v & (FW_HELLO_CMD_ERR|FW_HELLO_CMD_INIT)) == 0 && | |
2452 | master_mbox != mbox) { | |
2453 | int waiting = FW_CMD_HELLO_TIMEOUT; | |
2454 | ||
2455 | /* | |
2456 | * Wait for the firmware to either indicate an error or | |
2457 | * initialized state. If we see either of these we bail out | |
2458 | * and report the issue to the caller. If we exhaust the | |
2459 | * "hello timeout" and we haven't exhausted our retries, try | |
2460 | * again. Otherwise bail with a timeout error. | |
2461 | */ | |
2462 | for (;;) { | |
2463 | u32 pcie_fw; | |
2464 | ||
2465 | msleep(50); | |
2466 | waiting -= 50; | |
2467 | ||
2468 | /* | |
2469 | * If neither Error nor Initialialized are indicated | |
2470 | * by the firmware keep waiting till we exaust our | |
2471 | * timeout ... and then retry if we haven't exhausted | |
2472 | * our retries ... | |
2473 | */ | |
2474 | pcie_fw = t4_read_reg(adap, MA_PCIE_FW); | |
2475 | if (!(pcie_fw & (FW_PCIE_FW_ERR|FW_PCIE_FW_INIT))) { | |
2476 | if (waiting <= 0) { | |
2477 | if (retries-- > 0) | |
2478 | goto retry; | |
2479 | ||
2480 | return -ETIMEDOUT; | |
2481 | } | |
2482 | continue; | |
2483 | } | |
2484 | ||
2485 | /* | |
2486 | * We either have an Error or Initialized condition | |
2487 | * report errors preferentially. | |
2488 | */ | |
2489 | if (state) { | |
2490 | if (pcie_fw & FW_PCIE_FW_ERR) | |
2491 | *state = DEV_STATE_ERR; | |
2492 | else if (pcie_fw & FW_PCIE_FW_INIT) | |
2493 | *state = DEV_STATE_INIT; | |
2494 | } | |
2495 | ||
2496 | /* | |
2497 | * If we arrived before a Master PF was selected and | |
2498 | * there's not a valid Master PF, grab its identity | |
2499 | * for our caller. | |
2500 | */ | |
2501 | if (master_mbox == FW_PCIE_FW_MASTER_MASK && | |
2502 | (pcie_fw & FW_PCIE_FW_MASTER_VLD)) | |
2503 | master_mbox = FW_PCIE_FW_MASTER_GET(pcie_fw); | |
2504 | break; | |
2505 | } | |
2506 | } | |
2507 | ||
2508 | return master_mbox; | |
56d36be4 DM |
2509 | } |
2510 | ||
2511 | /** | |
2512 | * t4_fw_bye - end communication with FW | |
2513 | * @adap: the adapter | |
2514 | * @mbox: mailbox to use for the FW command | |
2515 | * | |
2516 | * Issues a command to terminate communication with FW. | |
2517 | */ | |
2518 | int t4_fw_bye(struct adapter *adap, unsigned int mbox) | |
2519 | { | |
2520 | struct fw_bye_cmd c; | |
2521 | ||
0062b15c | 2522 | memset(&c, 0, sizeof(c)); |
56d36be4 DM |
2523 | INIT_CMD(c, BYE, WRITE); |
2524 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
2525 | } | |
2526 | ||
2527 | /** | |
2528 | * t4_init_cmd - ask FW to initialize the device | |
2529 | * @adap: the adapter | |
2530 | * @mbox: mailbox to use for the FW command | |
2531 | * | |
2532 | * Issues a command to FW to partially initialize the device. This | |
2533 | * performs initialization that generally doesn't depend on user input. | |
2534 | */ | |
2535 | int t4_early_init(struct adapter *adap, unsigned int mbox) | |
2536 | { | |
2537 | struct fw_initialize_cmd c; | |
2538 | ||
0062b15c | 2539 | memset(&c, 0, sizeof(c)); |
56d36be4 DM |
2540 | INIT_CMD(c, INITIALIZE, WRITE); |
2541 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
2542 | } | |
2543 | ||
2544 | /** | |
2545 | * t4_fw_reset - issue a reset to FW | |
2546 | * @adap: the adapter | |
2547 | * @mbox: mailbox to use for the FW command | |
2548 | * @reset: specifies the type of reset to perform | |
2549 | * | |
2550 | * Issues a reset command of the specified type to FW. | |
2551 | */ | |
2552 | int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset) | |
2553 | { | |
2554 | struct fw_reset_cmd c; | |
2555 | ||
0062b15c | 2556 | memset(&c, 0, sizeof(c)); |
56d36be4 DM |
2557 | INIT_CMD(c, RESET, WRITE); |
2558 | c.val = htonl(reset); | |
2559 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
2560 | } | |
2561 | ||
26f7cbc0 VP |
2562 | /** |
2563 | * t4_fw_halt - issue a reset/halt to FW and put uP into RESET | |
2564 | * @adap: the adapter | |
2565 | * @mbox: mailbox to use for the FW RESET command (if desired) | |
2566 | * @force: force uP into RESET even if FW RESET command fails | |
2567 | * | |
2568 | * Issues a RESET command to firmware (if desired) with a HALT indication | |
2569 | * and then puts the microprocessor into RESET state. The RESET command | |
2570 | * will only be issued if a legitimate mailbox is provided (mbox <= | |
2571 | * FW_PCIE_FW_MASTER_MASK). | |
2572 | * | |
2573 | * This is generally used in order for the host to safely manipulate the | |
2574 | * adapter without fear of conflicting with whatever the firmware might | |
2575 | * be doing. The only way out of this state is to RESTART the firmware | |
2576 | * ... | |
2577 | */ | |
2578 | int t4_fw_halt(struct adapter *adap, unsigned int mbox, int force) | |
2579 | { | |
2580 | int ret = 0; | |
2581 | ||
2582 | /* | |
2583 | * If a legitimate mailbox is provided, issue a RESET command | |
2584 | * with a HALT indication. | |
2585 | */ | |
2586 | if (mbox <= FW_PCIE_FW_MASTER_MASK) { | |
2587 | struct fw_reset_cmd c; | |
2588 | ||
2589 | memset(&c, 0, sizeof(c)); | |
2590 | INIT_CMD(c, RESET, WRITE); | |
2591 | c.val = htonl(PIORST | PIORSTMODE); | |
2592 | c.halt_pkd = htonl(FW_RESET_CMD_HALT(1U)); | |
2593 | ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
2594 | } | |
2595 | ||
2596 | /* | |
2597 | * Normally we won't complete the operation if the firmware RESET | |
2598 | * command fails but if our caller insists we'll go ahead and put the | |
2599 | * uP into RESET. This can be useful if the firmware is hung or even | |
2600 | * missing ... We'll have to take the risk of putting the uP into | |
2601 | * RESET without the cooperation of firmware in that case. | |
2602 | * | |
2603 | * We also force the firmware's HALT flag to be on in case we bypassed | |
2604 | * the firmware RESET command above or we're dealing with old firmware | |
2605 | * which doesn't have the HALT capability. This will serve as a flag | |
2606 | * for the incoming firmware to know that it's coming out of a HALT | |
2607 | * rather than a RESET ... if it's new enough to understand that ... | |
2608 | */ | |
2609 | if (ret == 0 || force) { | |
2610 | t4_set_reg_field(adap, CIM_BOOT_CFG, UPCRST, UPCRST); | |
2611 | t4_set_reg_field(adap, PCIE_FW, FW_PCIE_FW_HALT, | |
2612 | FW_PCIE_FW_HALT); | |
2613 | } | |
2614 | ||
2615 | /* | |
2616 | * And we always return the result of the firmware RESET command | |
2617 | * even when we force the uP into RESET ... | |
2618 | */ | |
2619 | return ret; | |
2620 | } | |
2621 | ||
2622 | /** | |
2623 | * t4_fw_restart - restart the firmware by taking the uP out of RESET | |
2624 | * @adap: the adapter | |
2625 | * @reset: if we want to do a RESET to restart things | |
2626 | * | |
2627 | * Restart firmware previously halted by t4_fw_halt(). On successful | |
2628 | * return the previous PF Master remains as the new PF Master and there | |
2629 | * is no need to issue a new HELLO command, etc. | |
2630 | * | |
2631 | * We do this in two ways: | |
2632 | * | |
2633 | * 1. If we're dealing with newer firmware we'll simply want to take | |
2634 | * the chip's microprocessor out of RESET. This will cause the | |
2635 | * firmware to start up from its start vector. And then we'll loop | |
2636 | * until the firmware indicates it's started again (PCIE_FW.HALT | |
2637 | * reset to 0) or we timeout. | |
2638 | * | |
2639 | * 2. If we're dealing with older firmware then we'll need to RESET | |
2640 | * the chip since older firmware won't recognize the PCIE_FW.HALT | |
2641 | * flag and automatically RESET itself on startup. | |
2642 | */ | |
2643 | int t4_fw_restart(struct adapter *adap, unsigned int mbox, int reset) | |
2644 | { | |
2645 | if (reset) { | |
2646 | /* | |
2647 | * Since we're directing the RESET instead of the firmware | |
2648 | * doing it automatically, we need to clear the PCIE_FW.HALT | |
2649 | * bit. | |
2650 | */ | |
2651 | t4_set_reg_field(adap, PCIE_FW, FW_PCIE_FW_HALT, 0); | |
2652 | ||
2653 | /* | |
2654 | * If we've been given a valid mailbox, first try to get the | |
2655 | * firmware to do the RESET. If that works, great and we can | |
2656 | * return success. Otherwise, if we haven't been given a | |
2657 | * valid mailbox or the RESET command failed, fall back to | |
2658 | * hitting the chip with a hammer. | |
2659 | */ | |
2660 | if (mbox <= FW_PCIE_FW_MASTER_MASK) { | |
2661 | t4_set_reg_field(adap, CIM_BOOT_CFG, UPCRST, 0); | |
2662 | msleep(100); | |
2663 | if (t4_fw_reset(adap, mbox, | |
2664 | PIORST | PIORSTMODE) == 0) | |
2665 | return 0; | |
2666 | } | |
2667 | ||
2668 | t4_write_reg(adap, PL_RST, PIORST | PIORSTMODE); | |
2669 | msleep(2000); | |
2670 | } else { | |
2671 | int ms; | |
2672 | ||
2673 | t4_set_reg_field(adap, CIM_BOOT_CFG, UPCRST, 0); | |
2674 | for (ms = 0; ms < FW_CMD_MAX_TIMEOUT; ) { | |
2675 | if (!(t4_read_reg(adap, PCIE_FW) & FW_PCIE_FW_HALT)) | |
2676 | return 0; | |
2677 | msleep(100); | |
2678 | ms += 100; | |
2679 | } | |
2680 | return -ETIMEDOUT; | |
2681 | } | |
2682 | return 0; | |
2683 | } | |
2684 | ||
2685 | /** | |
2686 | * t4_fw_upgrade - perform all of the steps necessary to upgrade FW | |
2687 | * @adap: the adapter | |
2688 | * @mbox: mailbox to use for the FW RESET command (if desired) | |
2689 | * @fw_data: the firmware image to write | |
2690 | * @size: image size | |
2691 | * @force: force upgrade even if firmware doesn't cooperate | |
2692 | * | |
2693 | * Perform all of the steps necessary for upgrading an adapter's | |
2694 | * firmware image. Normally this requires the cooperation of the | |
2695 | * existing firmware in order to halt all existing activities | |
2696 | * but if an invalid mailbox token is passed in we skip that step | |
2697 | * (though we'll still put the adapter microprocessor into RESET in | |
2698 | * that case). | |
2699 | * | |
2700 | * On successful return the new firmware will have been loaded and | |
2701 | * the adapter will have been fully RESET losing all previous setup | |
2702 | * state. On unsuccessful return the adapter may be completely hosed ... | |
2703 | * positive errno indicates that the adapter is ~probably~ intact, a | |
2704 | * negative errno indicates that things are looking bad ... | |
2705 | */ | |
2706 | int t4_fw_upgrade(struct adapter *adap, unsigned int mbox, | |
2707 | const u8 *fw_data, unsigned int size, int force) | |
2708 | { | |
2709 | const struct fw_hdr *fw_hdr = (const struct fw_hdr *)fw_data; | |
2710 | int reset, ret; | |
2711 | ||
2712 | ret = t4_fw_halt(adap, mbox, force); | |
2713 | if (ret < 0 && !force) | |
2714 | return ret; | |
2715 | ||
2716 | ret = t4_load_fw(adap, fw_data, size); | |
2717 | if (ret < 0) | |
2718 | return ret; | |
2719 | ||
2720 | /* | |
2721 | * Older versions of the firmware don't understand the new | |
2722 | * PCIE_FW.HALT flag and so won't know to perform a RESET when they | |
2723 | * restart. So for newly loaded older firmware we'll have to do the | |
2724 | * RESET for it so it starts up on a clean slate. We can tell if | |
2725 | * the newly loaded firmware will handle this right by checking | |
2726 | * its header flags to see if it advertises the capability. | |
2727 | */ | |
2728 | reset = ((ntohl(fw_hdr->flags) & FW_HDR_FLAGS_RESET_HALT) == 0); | |
2729 | return t4_fw_restart(adap, mbox, reset); | |
2730 | } | |
2731 | ||
2732 | ||
636f9d37 VP |
2733 | /** |
2734 | * t4_fw_config_file - setup an adapter via a Configuration File | |
2735 | * @adap: the adapter | |
2736 | * @mbox: mailbox to use for the FW command | |
2737 | * @mtype: the memory type where the Configuration File is located | |
2738 | * @maddr: the memory address where the Configuration File is located | |
2739 | * @finiver: return value for CF [fini] version | |
2740 | * @finicsum: return value for CF [fini] checksum | |
2741 | * @cfcsum: return value for CF computed checksum | |
2742 | * | |
2743 | * Issue a command to get the firmware to process the Configuration | |
2744 | * File located at the specified mtype/maddress. If the Configuration | |
2745 | * File is processed successfully and return value pointers are | |
2746 | * provided, the Configuration File "[fini] section version and | |
2747 | * checksum values will be returned along with the computed checksum. | |
2748 | * It's up to the caller to decide how it wants to respond to the | |
2749 | * checksums not matching but it recommended that a prominant warning | |
2750 | * be emitted in order to help people rapidly identify changed or | |
2751 | * corrupted Configuration Files. | |
2752 | * | |
2753 | * Also note that it's possible to modify things like "niccaps", | |
2754 | * "toecaps",etc. between processing the Configuration File and telling | |
2755 | * the firmware to use the new configuration. Callers which want to | |
2756 | * do this will need to "hand-roll" their own CAPS_CONFIGS commands for | |
2757 | * Configuration Files if they want to do this. | |
2758 | */ | |
2759 | int t4_fw_config_file(struct adapter *adap, unsigned int mbox, | |
2760 | unsigned int mtype, unsigned int maddr, | |
2761 | u32 *finiver, u32 *finicsum, u32 *cfcsum) | |
2762 | { | |
2763 | struct fw_caps_config_cmd caps_cmd; | |
2764 | int ret; | |
2765 | ||
2766 | /* | |
2767 | * Tell the firmware to process the indicated Configuration File. | |
2768 | * If there are no errors and the caller has provided return value | |
2769 | * pointers for the [fini] section version, checksum and computed | |
2770 | * checksum, pass those back to the caller. | |
2771 | */ | |
2772 | memset(&caps_cmd, 0, sizeof(caps_cmd)); | |
2773 | caps_cmd.op_to_write = | |
2774 | htonl(FW_CMD_OP(FW_CAPS_CONFIG_CMD) | | |
2775 | FW_CMD_REQUEST | | |
2776 | FW_CMD_READ); | |
ce91a923 | 2777 | caps_cmd.cfvalid_to_len16 = |
636f9d37 VP |
2778 | htonl(FW_CAPS_CONFIG_CMD_CFVALID | |
2779 | FW_CAPS_CONFIG_CMD_MEMTYPE_CF(mtype) | | |
2780 | FW_CAPS_CONFIG_CMD_MEMADDR64K_CF(maddr >> 16) | | |
2781 | FW_LEN16(caps_cmd)); | |
2782 | ret = t4_wr_mbox(adap, mbox, &caps_cmd, sizeof(caps_cmd), &caps_cmd); | |
2783 | if (ret < 0) | |
2784 | return ret; | |
2785 | ||
2786 | if (finiver) | |
2787 | *finiver = ntohl(caps_cmd.finiver); | |
2788 | if (finicsum) | |
2789 | *finicsum = ntohl(caps_cmd.finicsum); | |
2790 | if (cfcsum) | |
2791 | *cfcsum = ntohl(caps_cmd.cfcsum); | |
2792 | ||
2793 | /* | |
2794 | * And now tell the firmware to use the configuration we just loaded. | |
2795 | */ | |
2796 | caps_cmd.op_to_write = | |
2797 | htonl(FW_CMD_OP(FW_CAPS_CONFIG_CMD) | | |
2798 | FW_CMD_REQUEST | | |
2799 | FW_CMD_WRITE); | |
ce91a923 | 2800 | caps_cmd.cfvalid_to_len16 = htonl(FW_LEN16(caps_cmd)); |
636f9d37 VP |
2801 | return t4_wr_mbox(adap, mbox, &caps_cmd, sizeof(caps_cmd), NULL); |
2802 | } | |
2803 | ||
2804 | /** | |
2805 | * t4_fixup_host_params - fix up host-dependent parameters | |
2806 | * @adap: the adapter | |
2807 | * @page_size: the host's Base Page Size | |
2808 | * @cache_line_size: the host's Cache Line Size | |
2809 | * | |
2810 | * Various registers in T4 contain values which are dependent on the | |
2811 | * host's Base Page and Cache Line Sizes. This function will fix all of | |
2812 | * those registers with the appropriate values as passed in ... | |
2813 | */ | |
2814 | int t4_fixup_host_params(struct adapter *adap, unsigned int page_size, | |
2815 | unsigned int cache_line_size) | |
2816 | { | |
2817 | unsigned int page_shift = fls(page_size) - 1; | |
2818 | unsigned int sge_hps = page_shift - 10; | |
2819 | unsigned int stat_len = cache_line_size > 64 ? 128 : 64; | |
2820 | unsigned int fl_align = cache_line_size < 32 ? 32 : cache_line_size; | |
2821 | unsigned int fl_align_log = fls(fl_align) - 1; | |
2822 | ||
2823 | t4_write_reg(adap, SGE_HOST_PAGE_SIZE, | |
2824 | HOSTPAGESIZEPF0(sge_hps) | | |
2825 | HOSTPAGESIZEPF1(sge_hps) | | |
2826 | HOSTPAGESIZEPF2(sge_hps) | | |
2827 | HOSTPAGESIZEPF3(sge_hps) | | |
2828 | HOSTPAGESIZEPF4(sge_hps) | | |
2829 | HOSTPAGESIZEPF5(sge_hps) | | |
2830 | HOSTPAGESIZEPF6(sge_hps) | | |
2831 | HOSTPAGESIZEPF7(sge_hps)); | |
2832 | ||
2833 | t4_set_reg_field(adap, SGE_CONTROL, | |
0dad9e94 | 2834 | INGPADBOUNDARY_MASK | |
636f9d37 VP |
2835 | EGRSTATUSPAGESIZE_MASK, |
2836 | INGPADBOUNDARY(fl_align_log - 5) | | |
2837 | EGRSTATUSPAGESIZE(stat_len != 64)); | |
2838 | ||
2839 | /* | |
2840 | * Adjust various SGE Free List Host Buffer Sizes. | |
2841 | * | |
2842 | * This is something of a crock since we're using fixed indices into | |
2843 | * the array which are also known by the sge.c code and the T4 | |
2844 | * Firmware Configuration File. We need to come up with a much better | |
2845 | * approach to managing this array. For now, the first four entries | |
2846 | * are: | |
2847 | * | |
2848 | * 0: Host Page Size | |
2849 | * 1: 64KB | |
2850 | * 2: Buffer size corresponding to 1500 byte MTU (unpacked mode) | |
2851 | * 3: Buffer size corresponding to 9000 byte MTU (unpacked mode) | |
2852 | * | |
2853 | * For the single-MTU buffers in unpacked mode we need to include | |
2854 | * space for the SGE Control Packet Shift, 14 byte Ethernet header, | |
2855 | * possible 4 byte VLAN tag, all rounded up to the next Ingress Packet | |
2856 | * Padding boundry. All of these are accommodated in the Factory | |
2857 | * Default Firmware Configuration File but we need to adjust it for | |
2858 | * this host's cache line size. | |
2859 | */ | |
2860 | t4_write_reg(adap, SGE_FL_BUFFER_SIZE0, page_size); | |
2861 | t4_write_reg(adap, SGE_FL_BUFFER_SIZE2, | |
2862 | (t4_read_reg(adap, SGE_FL_BUFFER_SIZE2) + fl_align-1) | |
2863 | & ~(fl_align-1)); | |
2864 | t4_write_reg(adap, SGE_FL_BUFFER_SIZE3, | |
2865 | (t4_read_reg(adap, SGE_FL_BUFFER_SIZE3) + fl_align-1) | |
2866 | & ~(fl_align-1)); | |
2867 | ||
2868 | t4_write_reg(adap, ULP_RX_TDDP_PSZ, HPZ0(page_shift - 12)); | |
2869 | ||
2870 | return 0; | |
2871 | } | |
2872 | ||
2873 | /** | |
2874 | * t4_fw_initialize - ask FW to initialize the device | |
2875 | * @adap: the adapter | |
2876 | * @mbox: mailbox to use for the FW command | |
2877 | * | |
2878 | * Issues a command to FW to partially initialize the device. This | |
2879 | * performs initialization that generally doesn't depend on user input. | |
2880 | */ | |
2881 | int t4_fw_initialize(struct adapter *adap, unsigned int mbox) | |
2882 | { | |
2883 | struct fw_initialize_cmd c; | |
2884 | ||
2885 | memset(&c, 0, sizeof(c)); | |
2886 | INIT_CMD(c, INITIALIZE, WRITE); | |
2887 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
2888 | } | |
2889 | ||
56d36be4 DM |
2890 | /** |
2891 | * t4_query_params - query FW or device parameters | |
2892 | * @adap: the adapter | |
2893 | * @mbox: mailbox to use for the FW command | |
2894 | * @pf: the PF | |
2895 | * @vf: the VF | |
2896 | * @nparams: the number of parameters | |
2897 | * @params: the parameter names | |
2898 | * @val: the parameter values | |
2899 | * | |
2900 | * Reads the value of FW or device parameters. Up to 7 parameters can be | |
2901 | * queried at once. | |
2902 | */ | |
2903 | int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
2904 | unsigned int vf, unsigned int nparams, const u32 *params, | |
2905 | u32 *val) | |
2906 | { | |
2907 | int i, ret; | |
2908 | struct fw_params_cmd c; | |
2909 | __be32 *p = &c.param[0].mnem; | |
2910 | ||
2911 | if (nparams > 7) | |
2912 | return -EINVAL; | |
2913 | ||
2914 | memset(&c, 0, sizeof(c)); | |
2915 | c.op_to_vfn = htonl(FW_CMD_OP(FW_PARAMS_CMD) | FW_CMD_REQUEST | | |
2916 | FW_CMD_READ | FW_PARAMS_CMD_PFN(pf) | | |
2917 | FW_PARAMS_CMD_VFN(vf)); | |
2918 | c.retval_len16 = htonl(FW_LEN16(c)); | |
2919 | for (i = 0; i < nparams; i++, p += 2) | |
2920 | *p = htonl(*params++); | |
2921 | ||
2922 | ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); | |
2923 | if (ret == 0) | |
2924 | for (i = 0, p = &c.param[0].val; i < nparams; i++, p += 2) | |
2925 | *val++ = ntohl(*p); | |
2926 | return ret; | |
2927 | } | |
2928 | ||
2929 | /** | |
2930 | * t4_set_params - sets FW or device parameters | |
2931 | * @adap: the adapter | |
2932 | * @mbox: mailbox to use for the FW command | |
2933 | * @pf: the PF | |
2934 | * @vf: the VF | |
2935 | * @nparams: the number of parameters | |
2936 | * @params: the parameter names | |
2937 | * @val: the parameter values | |
2938 | * | |
2939 | * Sets the value of FW or device parameters. Up to 7 parameters can be | |
2940 | * specified at once. | |
2941 | */ | |
2942 | int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
2943 | unsigned int vf, unsigned int nparams, const u32 *params, | |
2944 | const u32 *val) | |
2945 | { | |
2946 | struct fw_params_cmd c; | |
2947 | __be32 *p = &c.param[0].mnem; | |
2948 | ||
2949 | if (nparams > 7) | |
2950 | return -EINVAL; | |
2951 | ||
2952 | memset(&c, 0, sizeof(c)); | |
2953 | c.op_to_vfn = htonl(FW_CMD_OP(FW_PARAMS_CMD) | FW_CMD_REQUEST | | |
2954 | FW_CMD_WRITE | FW_PARAMS_CMD_PFN(pf) | | |
2955 | FW_PARAMS_CMD_VFN(vf)); | |
2956 | c.retval_len16 = htonl(FW_LEN16(c)); | |
2957 | while (nparams--) { | |
2958 | *p++ = htonl(*params++); | |
2959 | *p++ = htonl(*val++); | |
2960 | } | |
2961 | ||
2962 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
2963 | } | |
2964 | ||
2965 | /** | |
2966 | * t4_cfg_pfvf - configure PF/VF resource limits | |
2967 | * @adap: the adapter | |
2968 | * @mbox: mailbox to use for the FW command | |
2969 | * @pf: the PF being configured | |
2970 | * @vf: the VF being configured | |
2971 | * @txq: the max number of egress queues | |
2972 | * @txq_eth_ctrl: the max number of egress Ethernet or control queues | |
2973 | * @rxqi: the max number of interrupt-capable ingress queues | |
2974 | * @rxq: the max number of interruptless ingress queues | |
2975 | * @tc: the PCI traffic class | |
2976 | * @vi: the max number of virtual interfaces | |
2977 | * @cmask: the channel access rights mask for the PF/VF | |
2978 | * @pmask: the port access rights mask for the PF/VF | |
2979 | * @nexact: the maximum number of exact MPS filters | |
2980 | * @rcaps: read capabilities | |
2981 | * @wxcaps: write/execute capabilities | |
2982 | * | |
2983 | * Configures resource limits and capabilities for a physical or virtual | |
2984 | * function. | |
2985 | */ | |
2986 | int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
2987 | unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl, | |
2988 | unsigned int rxqi, unsigned int rxq, unsigned int tc, | |
2989 | unsigned int vi, unsigned int cmask, unsigned int pmask, | |
2990 | unsigned int nexact, unsigned int rcaps, unsigned int wxcaps) | |
2991 | { | |
2992 | struct fw_pfvf_cmd c; | |
2993 | ||
2994 | memset(&c, 0, sizeof(c)); | |
2995 | c.op_to_vfn = htonl(FW_CMD_OP(FW_PFVF_CMD) | FW_CMD_REQUEST | | |
2996 | FW_CMD_WRITE | FW_PFVF_CMD_PFN(pf) | | |
2997 | FW_PFVF_CMD_VFN(vf)); | |
2998 | c.retval_len16 = htonl(FW_LEN16(c)); | |
2999 | c.niqflint_niq = htonl(FW_PFVF_CMD_NIQFLINT(rxqi) | | |
3000 | FW_PFVF_CMD_NIQ(rxq)); | |
81323b74 | 3001 | c.type_to_neq = htonl(FW_PFVF_CMD_CMASK(cmask) | |
56d36be4 DM |
3002 | FW_PFVF_CMD_PMASK(pmask) | |
3003 | FW_PFVF_CMD_NEQ(txq)); | |
3004 | c.tc_to_nexactf = htonl(FW_PFVF_CMD_TC(tc) | FW_PFVF_CMD_NVI(vi) | | |
3005 | FW_PFVF_CMD_NEXACTF(nexact)); | |
3006 | c.r_caps_to_nethctrl = htonl(FW_PFVF_CMD_R_CAPS(rcaps) | | |
3007 | FW_PFVF_CMD_WX_CAPS(wxcaps) | | |
3008 | FW_PFVF_CMD_NETHCTRL(txq_eth_ctrl)); | |
3009 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
3010 | } | |
3011 | ||
3012 | /** | |
3013 | * t4_alloc_vi - allocate a virtual interface | |
3014 | * @adap: the adapter | |
3015 | * @mbox: mailbox to use for the FW command | |
3016 | * @port: physical port associated with the VI | |
3017 | * @pf: the PF owning the VI | |
3018 | * @vf: the VF owning the VI | |
3019 | * @nmac: number of MAC addresses needed (1 to 5) | |
3020 | * @mac: the MAC addresses of the VI | |
3021 | * @rss_size: size of RSS table slice associated with this VI | |
3022 | * | |
3023 | * Allocates a virtual interface for the given physical port. If @mac is | |
3024 | * not %NULL it contains the MAC addresses of the VI as assigned by FW. | |
3025 | * @mac should be large enough to hold @nmac Ethernet addresses, they are | |
3026 | * stored consecutively so the space needed is @nmac * 6 bytes. | |
3027 | * Returns a negative error number or the non-negative VI id. | |
3028 | */ | |
3029 | int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port, | |
3030 | unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac, | |
3031 | unsigned int *rss_size) | |
3032 | { | |
3033 | int ret; | |
3034 | struct fw_vi_cmd c; | |
3035 | ||
3036 | memset(&c, 0, sizeof(c)); | |
3037 | c.op_to_vfn = htonl(FW_CMD_OP(FW_VI_CMD) | FW_CMD_REQUEST | | |
3038 | FW_CMD_WRITE | FW_CMD_EXEC | | |
3039 | FW_VI_CMD_PFN(pf) | FW_VI_CMD_VFN(vf)); | |
3040 | c.alloc_to_len16 = htonl(FW_VI_CMD_ALLOC | FW_LEN16(c)); | |
3041 | c.portid_pkd = FW_VI_CMD_PORTID(port); | |
3042 | c.nmac = nmac - 1; | |
3043 | ||
3044 | ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); | |
3045 | if (ret) | |
3046 | return ret; | |
3047 | ||
3048 | if (mac) { | |
3049 | memcpy(mac, c.mac, sizeof(c.mac)); | |
3050 | switch (nmac) { | |
3051 | case 5: | |
3052 | memcpy(mac + 24, c.nmac3, sizeof(c.nmac3)); | |
3053 | case 4: | |
3054 | memcpy(mac + 18, c.nmac2, sizeof(c.nmac2)); | |
3055 | case 3: | |
3056 | memcpy(mac + 12, c.nmac1, sizeof(c.nmac1)); | |
3057 | case 2: | |
3058 | memcpy(mac + 6, c.nmac0, sizeof(c.nmac0)); | |
3059 | } | |
3060 | } | |
3061 | if (rss_size) | |
3062 | *rss_size = FW_VI_CMD_RSSSIZE_GET(ntohs(c.rsssize_pkd)); | |
a0881cab | 3063 | return FW_VI_CMD_VIID_GET(ntohs(c.type_viid)); |
56d36be4 DM |
3064 | } |
3065 | ||
56d36be4 DM |
3066 | /** |
3067 | * t4_set_rxmode - set Rx properties of a virtual interface | |
3068 | * @adap: the adapter | |
3069 | * @mbox: mailbox to use for the FW command | |
3070 | * @viid: the VI id | |
3071 | * @mtu: the new MTU or -1 | |
3072 | * @promisc: 1 to enable promiscuous mode, 0 to disable it, -1 no change | |
3073 | * @all_multi: 1 to enable all-multi mode, 0 to disable it, -1 no change | |
3074 | * @bcast: 1 to enable broadcast Rx, 0 to disable it, -1 no change | |
f8f5aafa | 3075 | * @vlanex: 1 to enable HW VLAN extraction, 0 to disable it, -1 no change |
56d36be4 DM |
3076 | * @sleep_ok: if true we may sleep while awaiting command completion |
3077 | * | |
3078 | * Sets Rx properties of a virtual interface. | |
3079 | */ | |
3080 | int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid, | |
f8f5aafa DM |
3081 | int mtu, int promisc, int all_multi, int bcast, int vlanex, |
3082 | bool sleep_ok) | |
56d36be4 DM |
3083 | { |
3084 | struct fw_vi_rxmode_cmd c; | |
3085 | ||
3086 | /* convert to FW values */ | |
3087 | if (mtu < 0) | |
3088 | mtu = FW_RXMODE_MTU_NO_CHG; | |
3089 | if (promisc < 0) | |
3090 | promisc = FW_VI_RXMODE_CMD_PROMISCEN_MASK; | |
3091 | if (all_multi < 0) | |
3092 | all_multi = FW_VI_RXMODE_CMD_ALLMULTIEN_MASK; | |
3093 | if (bcast < 0) | |
3094 | bcast = FW_VI_RXMODE_CMD_BROADCASTEN_MASK; | |
f8f5aafa DM |
3095 | if (vlanex < 0) |
3096 | vlanex = FW_VI_RXMODE_CMD_VLANEXEN_MASK; | |
56d36be4 DM |
3097 | |
3098 | memset(&c, 0, sizeof(c)); | |
3099 | c.op_to_viid = htonl(FW_CMD_OP(FW_VI_RXMODE_CMD) | FW_CMD_REQUEST | | |
3100 | FW_CMD_WRITE | FW_VI_RXMODE_CMD_VIID(viid)); | |
3101 | c.retval_len16 = htonl(FW_LEN16(c)); | |
f8f5aafa DM |
3102 | c.mtu_to_vlanexen = htonl(FW_VI_RXMODE_CMD_MTU(mtu) | |
3103 | FW_VI_RXMODE_CMD_PROMISCEN(promisc) | | |
3104 | FW_VI_RXMODE_CMD_ALLMULTIEN(all_multi) | | |
3105 | FW_VI_RXMODE_CMD_BROADCASTEN(bcast) | | |
3106 | FW_VI_RXMODE_CMD_VLANEXEN(vlanex)); | |
56d36be4 DM |
3107 | return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok); |
3108 | } | |
3109 | ||
3110 | /** | |
3111 | * t4_alloc_mac_filt - allocates exact-match filters for MAC addresses | |
3112 | * @adap: the adapter | |
3113 | * @mbox: mailbox to use for the FW command | |
3114 | * @viid: the VI id | |
3115 | * @free: if true any existing filters for this VI id are first removed | |
3116 | * @naddr: the number of MAC addresses to allocate filters for (up to 7) | |
3117 | * @addr: the MAC address(es) | |
3118 | * @idx: where to store the index of each allocated filter | |
3119 | * @hash: pointer to hash address filter bitmap | |
3120 | * @sleep_ok: call is allowed to sleep | |
3121 | * | |
3122 | * Allocates an exact-match filter for each of the supplied addresses and | |
3123 | * sets it to the corresponding address. If @idx is not %NULL it should | |
3124 | * have at least @naddr entries, each of which will be set to the index of | |
3125 | * the filter allocated for the corresponding MAC address. If a filter | |
3126 | * could not be allocated for an address its index is set to 0xffff. | |
3127 | * If @hash is not %NULL addresses that fail to allocate an exact filter | |
3128 | * are hashed and update the hash filter bitmap pointed at by @hash. | |
3129 | * | |
3130 | * Returns a negative error number or the number of filters allocated. | |
3131 | */ | |
3132 | int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox, | |
3133 | unsigned int viid, bool free, unsigned int naddr, | |
3134 | const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok) | |
3135 | { | |
3136 | int i, ret; | |
3137 | struct fw_vi_mac_cmd c; | |
3138 | struct fw_vi_mac_exact *p; | |
3139 | ||
3140 | if (naddr > 7) | |
3141 | return -EINVAL; | |
3142 | ||
3143 | memset(&c, 0, sizeof(c)); | |
3144 | c.op_to_viid = htonl(FW_CMD_OP(FW_VI_MAC_CMD) | FW_CMD_REQUEST | | |
3145 | FW_CMD_WRITE | (free ? FW_CMD_EXEC : 0) | | |
3146 | FW_VI_MAC_CMD_VIID(viid)); | |
3147 | c.freemacs_to_len16 = htonl(FW_VI_MAC_CMD_FREEMACS(free) | | |
3148 | FW_CMD_LEN16((naddr + 2) / 2)); | |
3149 | ||
3150 | for (i = 0, p = c.u.exact; i < naddr; i++, p++) { | |
3151 | p->valid_to_idx = htons(FW_VI_MAC_CMD_VALID | | |
3152 | FW_VI_MAC_CMD_IDX(FW_VI_MAC_ADD_MAC)); | |
3153 | memcpy(p->macaddr, addr[i], sizeof(p->macaddr)); | |
3154 | } | |
3155 | ||
3156 | ret = t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), &c, sleep_ok); | |
3157 | if (ret) | |
3158 | return ret; | |
3159 | ||
3160 | for (i = 0, p = c.u.exact; i < naddr; i++, p++) { | |
3161 | u16 index = FW_VI_MAC_CMD_IDX_GET(ntohs(p->valid_to_idx)); | |
3162 | ||
3163 | if (idx) | |
3164 | idx[i] = index >= NEXACT_MAC ? 0xffff : index; | |
3165 | if (index < NEXACT_MAC) | |
3166 | ret++; | |
3167 | else if (hash) | |
ce9aeb58 | 3168 | *hash |= (1ULL << hash_mac_addr(addr[i])); |
56d36be4 DM |
3169 | } |
3170 | return ret; | |
3171 | } | |
3172 | ||
3173 | /** | |
3174 | * t4_change_mac - modifies the exact-match filter for a MAC address | |
3175 | * @adap: the adapter | |
3176 | * @mbox: mailbox to use for the FW command | |
3177 | * @viid: the VI id | |
3178 | * @idx: index of existing filter for old value of MAC address, or -1 | |
3179 | * @addr: the new MAC address value | |
3180 | * @persist: whether a new MAC allocation should be persistent | |
3181 | * @add_smt: if true also add the address to the HW SMT | |
3182 | * | |
3183 | * Modifies an exact-match filter and sets it to the new MAC address. | |
3184 | * Note that in general it is not possible to modify the value of a given | |
3185 | * filter so the generic way to modify an address filter is to free the one | |
3186 | * being used by the old address value and allocate a new filter for the | |
3187 | * new address value. @idx can be -1 if the address is a new addition. | |
3188 | * | |
3189 | * Returns a negative error number or the index of the filter with the new | |
3190 | * MAC value. | |
3191 | */ | |
3192 | int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid, | |
3193 | int idx, const u8 *addr, bool persist, bool add_smt) | |
3194 | { | |
3195 | int ret, mode; | |
3196 | struct fw_vi_mac_cmd c; | |
3197 | struct fw_vi_mac_exact *p = c.u.exact; | |
3198 | ||
3199 | if (idx < 0) /* new allocation */ | |
3200 | idx = persist ? FW_VI_MAC_ADD_PERSIST_MAC : FW_VI_MAC_ADD_MAC; | |
3201 | mode = add_smt ? FW_VI_MAC_SMT_AND_MPSTCAM : FW_VI_MAC_MPS_TCAM_ENTRY; | |
3202 | ||
3203 | memset(&c, 0, sizeof(c)); | |
3204 | c.op_to_viid = htonl(FW_CMD_OP(FW_VI_MAC_CMD) | FW_CMD_REQUEST | | |
3205 | FW_CMD_WRITE | FW_VI_MAC_CMD_VIID(viid)); | |
3206 | c.freemacs_to_len16 = htonl(FW_CMD_LEN16(1)); | |
3207 | p->valid_to_idx = htons(FW_VI_MAC_CMD_VALID | | |
3208 | FW_VI_MAC_CMD_SMAC_RESULT(mode) | | |
3209 | FW_VI_MAC_CMD_IDX(idx)); | |
3210 | memcpy(p->macaddr, addr, sizeof(p->macaddr)); | |
3211 | ||
3212 | ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); | |
3213 | if (ret == 0) { | |
3214 | ret = FW_VI_MAC_CMD_IDX_GET(ntohs(p->valid_to_idx)); | |
3215 | if (ret >= NEXACT_MAC) | |
3216 | ret = -ENOMEM; | |
3217 | } | |
3218 | return ret; | |
3219 | } | |
3220 | ||
3221 | /** | |
3222 | * t4_set_addr_hash - program the MAC inexact-match hash filter | |
3223 | * @adap: the adapter | |
3224 | * @mbox: mailbox to use for the FW command | |
3225 | * @viid: the VI id | |
3226 | * @ucast: whether the hash filter should also match unicast addresses | |
3227 | * @vec: the value to be written to the hash filter | |
3228 | * @sleep_ok: call is allowed to sleep | |
3229 | * | |
3230 | * Sets the 64-bit inexact-match hash filter for a virtual interface. | |
3231 | */ | |
3232 | int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid, | |
3233 | bool ucast, u64 vec, bool sleep_ok) | |
3234 | { | |
3235 | struct fw_vi_mac_cmd c; | |
3236 | ||
3237 | memset(&c, 0, sizeof(c)); | |
3238 | c.op_to_viid = htonl(FW_CMD_OP(FW_VI_MAC_CMD) | FW_CMD_REQUEST | | |
3239 | FW_CMD_WRITE | FW_VI_ENABLE_CMD_VIID(viid)); | |
3240 | c.freemacs_to_len16 = htonl(FW_VI_MAC_CMD_HASHVECEN | | |
3241 | FW_VI_MAC_CMD_HASHUNIEN(ucast) | | |
3242 | FW_CMD_LEN16(1)); | |
3243 | c.u.hash.hashvec = cpu_to_be64(vec); | |
3244 | return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok); | |
3245 | } | |
3246 | ||
3247 | /** | |
3248 | * t4_enable_vi - enable/disable a virtual interface | |
3249 | * @adap: the adapter | |
3250 | * @mbox: mailbox to use for the FW command | |
3251 | * @viid: the VI id | |
3252 | * @rx_en: 1=enable Rx, 0=disable Rx | |
3253 | * @tx_en: 1=enable Tx, 0=disable Tx | |
3254 | * | |
3255 | * Enables/disables a virtual interface. | |
3256 | */ | |
3257 | int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid, | |
3258 | bool rx_en, bool tx_en) | |
3259 | { | |
3260 | struct fw_vi_enable_cmd c; | |
3261 | ||
3262 | memset(&c, 0, sizeof(c)); | |
3263 | c.op_to_viid = htonl(FW_CMD_OP(FW_VI_ENABLE_CMD) | FW_CMD_REQUEST | | |
3264 | FW_CMD_EXEC | FW_VI_ENABLE_CMD_VIID(viid)); | |
3265 | c.ien_to_len16 = htonl(FW_VI_ENABLE_CMD_IEN(rx_en) | | |
3266 | FW_VI_ENABLE_CMD_EEN(tx_en) | FW_LEN16(c)); | |
3267 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
3268 | } | |
3269 | ||
3270 | /** | |
3271 | * t4_identify_port - identify a VI's port by blinking its LED | |
3272 | * @adap: the adapter | |
3273 | * @mbox: mailbox to use for the FW command | |
3274 | * @viid: the VI id | |
3275 | * @nblinks: how many times to blink LED at 2.5 Hz | |
3276 | * | |
3277 | * Identifies a VI's port by blinking its LED. | |
3278 | */ | |
3279 | int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid, | |
3280 | unsigned int nblinks) | |
3281 | { | |
3282 | struct fw_vi_enable_cmd c; | |
3283 | ||
0062b15c | 3284 | memset(&c, 0, sizeof(c)); |
56d36be4 DM |
3285 | c.op_to_viid = htonl(FW_CMD_OP(FW_VI_ENABLE_CMD) | FW_CMD_REQUEST | |
3286 | FW_CMD_EXEC | FW_VI_ENABLE_CMD_VIID(viid)); | |
3287 | c.ien_to_len16 = htonl(FW_VI_ENABLE_CMD_LED | FW_LEN16(c)); | |
3288 | c.blinkdur = htons(nblinks); | |
3289 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
56d36be4 DM |
3290 | } |
3291 | ||
3292 | /** | |
3293 | * t4_iq_free - free an ingress queue and its FLs | |
3294 | * @adap: the adapter | |
3295 | * @mbox: mailbox to use for the FW command | |
3296 | * @pf: the PF owning the queues | |
3297 | * @vf: the VF owning the queues | |
3298 | * @iqtype: the ingress queue type | |
3299 | * @iqid: ingress queue id | |
3300 | * @fl0id: FL0 queue id or 0xffff if no attached FL0 | |
3301 | * @fl1id: FL1 queue id or 0xffff if no attached FL1 | |
3302 | * | |
3303 | * Frees an ingress queue and its associated FLs, if any. | |
3304 | */ | |
3305 | int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
3306 | unsigned int vf, unsigned int iqtype, unsigned int iqid, | |
3307 | unsigned int fl0id, unsigned int fl1id) | |
3308 | { | |
3309 | struct fw_iq_cmd c; | |
3310 | ||
3311 | memset(&c, 0, sizeof(c)); | |
3312 | c.op_to_vfn = htonl(FW_CMD_OP(FW_IQ_CMD) | FW_CMD_REQUEST | | |
3313 | FW_CMD_EXEC | FW_IQ_CMD_PFN(pf) | | |
3314 | FW_IQ_CMD_VFN(vf)); | |
3315 | c.alloc_to_len16 = htonl(FW_IQ_CMD_FREE | FW_LEN16(c)); | |
3316 | c.type_to_iqandstindex = htonl(FW_IQ_CMD_TYPE(iqtype)); | |
3317 | c.iqid = htons(iqid); | |
3318 | c.fl0id = htons(fl0id); | |
3319 | c.fl1id = htons(fl1id); | |
3320 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
3321 | } | |
3322 | ||
3323 | /** | |
3324 | * t4_eth_eq_free - free an Ethernet egress queue | |
3325 | * @adap: the adapter | |
3326 | * @mbox: mailbox to use for the FW command | |
3327 | * @pf: the PF owning the queue | |
3328 | * @vf: the VF owning the queue | |
3329 | * @eqid: egress queue id | |
3330 | * | |
3331 | * Frees an Ethernet egress queue. | |
3332 | */ | |
3333 | int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
3334 | unsigned int vf, unsigned int eqid) | |
3335 | { | |
3336 | struct fw_eq_eth_cmd c; | |
3337 | ||
3338 | memset(&c, 0, sizeof(c)); | |
3339 | c.op_to_vfn = htonl(FW_CMD_OP(FW_EQ_ETH_CMD) | FW_CMD_REQUEST | | |
3340 | FW_CMD_EXEC | FW_EQ_ETH_CMD_PFN(pf) | | |
3341 | FW_EQ_ETH_CMD_VFN(vf)); | |
3342 | c.alloc_to_len16 = htonl(FW_EQ_ETH_CMD_FREE | FW_LEN16(c)); | |
3343 | c.eqid_pkd = htonl(FW_EQ_ETH_CMD_EQID(eqid)); | |
3344 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
3345 | } | |
3346 | ||
3347 | /** | |
3348 | * t4_ctrl_eq_free - free a control egress queue | |
3349 | * @adap: the adapter | |
3350 | * @mbox: mailbox to use for the FW command | |
3351 | * @pf: the PF owning the queue | |
3352 | * @vf: the VF owning the queue | |
3353 | * @eqid: egress queue id | |
3354 | * | |
3355 | * Frees a control egress queue. | |
3356 | */ | |
3357 | int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
3358 | unsigned int vf, unsigned int eqid) | |
3359 | { | |
3360 | struct fw_eq_ctrl_cmd c; | |
3361 | ||
3362 | memset(&c, 0, sizeof(c)); | |
3363 | c.op_to_vfn = htonl(FW_CMD_OP(FW_EQ_CTRL_CMD) | FW_CMD_REQUEST | | |
3364 | FW_CMD_EXEC | FW_EQ_CTRL_CMD_PFN(pf) | | |
3365 | FW_EQ_CTRL_CMD_VFN(vf)); | |
3366 | c.alloc_to_len16 = htonl(FW_EQ_CTRL_CMD_FREE | FW_LEN16(c)); | |
3367 | c.cmpliqid_eqid = htonl(FW_EQ_CTRL_CMD_EQID(eqid)); | |
3368 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
3369 | } | |
3370 | ||
3371 | /** | |
3372 | * t4_ofld_eq_free - free an offload egress queue | |
3373 | * @adap: the adapter | |
3374 | * @mbox: mailbox to use for the FW command | |
3375 | * @pf: the PF owning the queue | |
3376 | * @vf: the VF owning the queue | |
3377 | * @eqid: egress queue id | |
3378 | * | |
3379 | * Frees a control egress queue. | |
3380 | */ | |
3381 | int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
3382 | unsigned int vf, unsigned int eqid) | |
3383 | { | |
3384 | struct fw_eq_ofld_cmd c; | |
3385 | ||
3386 | memset(&c, 0, sizeof(c)); | |
3387 | c.op_to_vfn = htonl(FW_CMD_OP(FW_EQ_OFLD_CMD) | FW_CMD_REQUEST | | |
3388 | FW_CMD_EXEC | FW_EQ_OFLD_CMD_PFN(pf) | | |
3389 | FW_EQ_OFLD_CMD_VFN(vf)); | |
3390 | c.alloc_to_len16 = htonl(FW_EQ_OFLD_CMD_FREE | FW_LEN16(c)); | |
3391 | c.eqid_pkd = htonl(FW_EQ_OFLD_CMD_EQID(eqid)); | |
3392 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
3393 | } | |
3394 | ||
3395 | /** | |
3396 | * t4_handle_fw_rpl - process a FW reply message | |
3397 | * @adap: the adapter | |
3398 | * @rpl: start of the FW message | |
3399 | * | |
3400 | * Processes a FW message, such as link state change messages. | |
3401 | */ | |
3402 | int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl) | |
3403 | { | |
3404 | u8 opcode = *(const u8 *)rpl; | |
3405 | ||
3406 | if (opcode == FW_PORT_CMD) { /* link/module state change message */ | |
3407 | int speed = 0, fc = 0; | |
3408 | const struct fw_port_cmd *p = (void *)rpl; | |
3409 | int chan = FW_PORT_CMD_PORTID_GET(ntohl(p->op_to_portid)); | |
3410 | int port = adap->chan_map[chan]; | |
3411 | struct port_info *pi = adap2pinfo(adap, port); | |
3412 | struct link_config *lc = &pi->link_cfg; | |
3413 | u32 stat = ntohl(p->u.info.lstatus_to_modtype); | |
3414 | int link_ok = (stat & FW_PORT_CMD_LSTATUS) != 0; | |
3415 | u32 mod = FW_PORT_CMD_MODTYPE_GET(stat); | |
3416 | ||
3417 | if (stat & FW_PORT_CMD_RXPAUSE) | |
3418 | fc |= PAUSE_RX; | |
3419 | if (stat & FW_PORT_CMD_TXPAUSE) | |
3420 | fc |= PAUSE_TX; | |
3421 | if (stat & FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100M)) | |
3422 | speed = SPEED_100; | |
3423 | else if (stat & FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_1G)) | |
3424 | speed = SPEED_1000; | |
3425 | else if (stat & FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_10G)) | |
3426 | speed = SPEED_10000; | |
3427 | ||
3428 | if (link_ok != lc->link_ok || speed != lc->speed || | |
3429 | fc != lc->fc) { /* something changed */ | |
3430 | lc->link_ok = link_ok; | |
3431 | lc->speed = speed; | |
3432 | lc->fc = fc; | |
3433 | t4_os_link_changed(adap, port, link_ok); | |
3434 | } | |
3435 | if (mod != pi->mod_type) { | |
3436 | pi->mod_type = mod; | |
3437 | t4_os_portmod_changed(adap, port); | |
3438 | } | |
3439 | } | |
3440 | return 0; | |
3441 | } | |
3442 | ||
1dd06ae8 | 3443 | static void get_pci_mode(struct adapter *adapter, struct pci_params *p) |
56d36be4 DM |
3444 | { |
3445 | u16 val; | |
56d36be4 | 3446 | |
e5c8ae5f JL |
3447 | if (pci_is_pcie(adapter->pdev)) { |
3448 | pcie_capability_read_word(adapter->pdev, PCI_EXP_LNKSTA, &val); | |
56d36be4 DM |
3449 | p->speed = val & PCI_EXP_LNKSTA_CLS; |
3450 | p->width = (val & PCI_EXP_LNKSTA_NLW) >> 4; | |
3451 | } | |
3452 | } | |
3453 | ||
3454 | /** | |
3455 | * init_link_config - initialize a link's SW state | |
3456 | * @lc: structure holding the link state | |
3457 | * @caps: link capabilities | |
3458 | * | |
3459 | * Initializes the SW state maintained for each link, including the link's | |
3460 | * capabilities and default speed/flow-control/autonegotiation settings. | |
3461 | */ | |
1dd06ae8 | 3462 | static void init_link_config(struct link_config *lc, unsigned int caps) |
56d36be4 DM |
3463 | { |
3464 | lc->supported = caps; | |
3465 | lc->requested_speed = 0; | |
3466 | lc->speed = 0; | |
3467 | lc->requested_fc = lc->fc = PAUSE_RX | PAUSE_TX; | |
3468 | if (lc->supported & FW_PORT_CAP_ANEG) { | |
3469 | lc->advertising = lc->supported & ADVERT_MASK; | |
3470 | lc->autoneg = AUTONEG_ENABLE; | |
3471 | lc->requested_fc |= PAUSE_AUTONEG; | |
3472 | } else { | |
3473 | lc->advertising = 0; | |
3474 | lc->autoneg = AUTONEG_DISABLE; | |
3475 | } | |
3476 | } | |
3477 | ||
204dc3c0 | 3478 | int t4_wait_dev_ready(struct adapter *adap) |
56d36be4 DM |
3479 | { |
3480 | if (t4_read_reg(adap, PL_WHOAMI) != 0xffffffff) | |
3481 | return 0; | |
3482 | msleep(500); | |
3483 | return t4_read_reg(adap, PL_WHOAMI) != 0xffffffff ? 0 : -EIO; | |
3484 | } | |
3485 | ||
91744948 | 3486 | static int get_flash_params(struct adapter *adap) |
900a6596 DM |
3487 | { |
3488 | int ret; | |
3489 | u32 info; | |
3490 | ||
3491 | ret = sf1_write(adap, 1, 1, 0, SF_RD_ID); | |
3492 | if (!ret) | |
3493 | ret = sf1_read(adap, 3, 0, 1, &info); | |
3494 | t4_write_reg(adap, SF_OP, 0); /* unlock SF */ | |
3495 | if (ret) | |
3496 | return ret; | |
3497 | ||
3498 | if ((info & 0xff) != 0x20) /* not a Numonix flash */ | |
3499 | return -EINVAL; | |
3500 | info >>= 16; /* log2 of size */ | |
3501 | if (info >= 0x14 && info < 0x18) | |
3502 | adap->params.sf_nsec = 1 << (info - 16); | |
3503 | else if (info == 0x18) | |
3504 | adap->params.sf_nsec = 64; | |
3505 | else | |
3506 | return -EINVAL; | |
3507 | adap->params.sf_size = 1 << info; | |
3508 | adap->params.sf_fw_start = | |
3509 | t4_read_reg(adap, CIM_BOOT_CFG) & BOOTADDR_MASK; | |
3510 | return 0; | |
3511 | } | |
3512 | ||
56d36be4 DM |
3513 | /** |
3514 | * t4_prep_adapter - prepare SW and HW for operation | |
3515 | * @adapter: the adapter | |
3516 | * @reset: if true perform a HW reset | |
3517 | * | |
3518 | * Initialize adapter SW state for the various HW modules, set initial | |
3519 | * values for some adapter tunables, take PHYs out of reset, and | |
3520 | * initialize the MDIO interface. | |
3521 | */ | |
91744948 | 3522 | int t4_prep_adapter(struct adapter *adapter) |
56d36be4 DM |
3523 | { |
3524 | int ret; | |
3525 | ||
204dc3c0 | 3526 | ret = t4_wait_dev_ready(adapter); |
56d36be4 DM |
3527 | if (ret < 0) |
3528 | return ret; | |
3529 | ||
3530 | get_pci_mode(adapter, &adapter->params.pci); | |
3531 | adapter->params.rev = t4_read_reg(adapter, PL_REV); | |
3532 | ||
900a6596 DM |
3533 | ret = get_flash_params(adapter); |
3534 | if (ret < 0) { | |
3535 | dev_err(adapter->pdev_dev, "error %d identifying flash\n", ret); | |
3536 | return ret; | |
3537 | } | |
3538 | ||
56d36be4 DM |
3539 | init_cong_ctrl(adapter->params.a_wnd, adapter->params.b_wnd); |
3540 | ||
3541 | /* | |
3542 | * Default port for debugging in case we can't reach FW. | |
3543 | */ | |
3544 | adapter->params.nports = 1; | |
3545 | adapter->params.portvec = 1; | |
636f9d37 | 3546 | adapter->params.vpd.cclk = 50000; |
56d36be4 DM |
3547 | return 0; |
3548 | } | |
3549 | ||
91744948 | 3550 | int t4_port_init(struct adapter *adap, int mbox, int pf, int vf) |
56d36be4 DM |
3551 | { |
3552 | u8 addr[6]; | |
3553 | int ret, i, j = 0; | |
3554 | struct fw_port_cmd c; | |
f796564a | 3555 | struct fw_rss_vi_config_cmd rvc; |
56d36be4 DM |
3556 | |
3557 | memset(&c, 0, sizeof(c)); | |
f796564a | 3558 | memset(&rvc, 0, sizeof(rvc)); |
56d36be4 DM |
3559 | |
3560 | for_each_port(adap, i) { | |
3561 | unsigned int rss_size; | |
3562 | struct port_info *p = adap2pinfo(adap, i); | |
3563 | ||
3564 | while ((adap->params.portvec & (1 << j)) == 0) | |
3565 | j++; | |
3566 | ||
3567 | c.op_to_portid = htonl(FW_CMD_OP(FW_PORT_CMD) | | |
3568 | FW_CMD_REQUEST | FW_CMD_READ | | |
3569 | FW_PORT_CMD_PORTID(j)); | |
3570 | c.action_to_len16 = htonl( | |
3571 | FW_PORT_CMD_ACTION(FW_PORT_ACTION_GET_PORT_INFO) | | |
3572 | FW_LEN16(c)); | |
3573 | ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); | |
3574 | if (ret) | |
3575 | return ret; | |
3576 | ||
3577 | ret = t4_alloc_vi(adap, mbox, j, pf, vf, 1, addr, &rss_size); | |
3578 | if (ret < 0) | |
3579 | return ret; | |
3580 | ||
3581 | p->viid = ret; | |
3582 | p->tx_chan = j; | |
3583 | p->lport = j; | |
3584 | p->rss_size = rss_size; | |
3585 | memcpy(adap->port[i]->dev_addr, addr, ETH_ALEN); | |
3586 | memcpy(adap->port[i]->perm_addr, addr, ETH_ALEN); | |
f21ce1c3 | 3587 | adap->port[i]->dev_id = j; |
56d36be4 DM |
3588 | |
3589 | ret = ntohl(c.u.info.lstatus_to_modtype); | |
3590 | p->mdio_addr = (ret & FW_PORT_CMD_MDIOCAP) ? | |
3591 | FW_PORT_CMD_MDIOADDR_GET(ret) : -1; | |
3592 | p->port_type = FW_PORT_CMD_PTYPE_GET(ret); | |
a0881cab | 3593 | p->mod_type = FW_PORT_MOD_TYPE_NA; |
56d36be4 | 3594 | |
f796564a DM |
3595 | rvc.op_to_viid = htonl(FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) | |
3596 | FW_CMD_REQUEST | FW_CMD_READ | | |
3597 | FW_RSS_VI_CONFIG_CMD_VIID(p->viid)); | |
3598 | rvc.retval_len16 = htonl(FW_LEN16(rvc)); | |
3599 | ret = t4_wr_mbox(adap, mbox, &rvc, sizeof(rvc), &rvc); | |
3600 | if (ret) | |
3601 | return ret; | |
3602 | p->rss_mode = ntohl(rvc.u.basicvirtual.defaultq_to_udpen); | |
3603 | ||
56d36be4 DM |
3604 | init_link_config(&p->link_cfg, ntohs(c.u.info.pcap)); |
3605 | j++; | |
3606 | } | |
3607 | return 0; | |
3608 | } |