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56d36be4 DM |
1 | /* |
2 | * This file is part of the Chelsio T4 Ethernet driver for Linux. | |
3 | * | |
ce100b8b | 4 | * Copyright (c) 2003-2014 Chelsio Communications, Inc. All rights reserved. |
56d36be4 DM |
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 | ||
56d36be4 DM |
35 | #include <linux/delay.h> |
36 | #include "cxgb4.h" | |
37 | #include "t4_regs.h" | |
38 | #include "t4fw_api.h" | |
39 | ||
40 | /** | |
41 | * t4_wait_op_done_val - wait until an operation is completed | |
42 | * @adapter: the adapter performing the operation | |
43 | * @reg: the register to check for completion | |
44 | * @mask: a single-bit field within @reg that indicates completion | |
45 | * @polarity: the value of the field when the operation is completed | |
46 | * @attempts: number of check iterations | |
47 | * @delay: delay in usecs between iterations | |
48 | * @valp: where to store the value of the register at completion time | |
49 | * | |
50 | * Wait until an operation is completed by checking a bit in a register | |
51 | * up to @attempts times. If @valp is not NULL the value of the register | |
52 | * at the time it indicated completion is stored there. Returns 0 if the | |
53 | * operation completes and -EAGAIN otherwise. | |
54 | */ | |
de498c89 RD |
55 | static int t4_wait_op_done_val(struct adapter *adapter, int reg, u32 mask, |
56 | int polarity, int attempts, int delay, u32 *valp) | |
56d36be4 DM |
57 | { |
58 | while (1) { | |
59 | u32 val = t4_read_reg(adapter, reg); | |
60 | ||
61 | if (!!(val & mask) == polarity) { | |
62 | if (valp) | |
63 | *valp = val; | |
64 | return 0; | |
65 | } | |
66 | if (--attempts == 0) | |
67 | return -EAGAIN; | |
68 | if (delay) | |
69 | udelay(delay); | |
70 | } | |
71 | } | |
72 | ||
73 | static inline int t4_wait_op_done(struct adapter *adapter, int reg, u32 mask, | |
74 | int polarity, int attempts, int delay) | |
75 | { | |
76 | return t4_wait_op_done_val(adapter, reg, mask, polarity, attempts, | |
77 | delay, NULL); | |
78 | } | |
79 | ||
80 | /** | |
81 | * t4_set_reg_field - set a register field to a value | |
82 | * @adapter: the adapter to program | |
83 | * @addr: the register address | |
84 | * @mask: specifies the portion of the register to modify | |
85 | * @val: the new value for the register field | |
86 | * | |
87 | * Sets a register field specified by the supplied mask to the | |
88 | * given value. | |
89 | */ | |
90 | void t4_set_reg_field(struct adapter *adapter, unsigned int addr, u32 mask, | |
91 | u32 val) | |
92 | { | |
93 | u32 v = t4_read_reg(adapter, addr) & ~mask; | |
94 | ||
95 | t4_write_reg(adapter, addr, v | val); | |
96 | (void) t4_read_reg(adapter, addr); /* flush */ | |
97 | } | |
98 | ||
99 | /** | |
100 | * t4_read_indirect - read indirectly addressed registers | |
101 | * @adap: the adapter | |
102 | * @addr_reg: register holding the indirect address | |
103 | * @data_reg: register holding the value of the indirect register | |
104 | * @vals: where the read register values are stored | |
105 | * @nregs: how many indirect registers to read | |
106 | * @start_idx: index of first indirect register to read | |
107 | * | |
108 | * Reads registers that are accessed indirectly through an address/data | |
109 | * register pair. | |
110 | */ | |
f2b7e78d | 111 | void t4_read_indirect(struct adapter *adap, unsigned int addr_reg, |
de498c89 RD |
112 | unsigned int data_reg, u32 *vals, |
113 | unsigned int nregs, unsigned int start_idx) | |
56d36be4 DM |
114 | { |
115 | while (nregs--) { | |
116 | t4_write_reg(adap, addr_reg, start_idx); | |
117 | *vals++ = t4_read_reg(adap, data_reg); | |
118 | start_idx++; | |
119 | } | |
120 | } | |
121 | ||
13ee15d3 VP |
122 | /** |
123 | * t4_write_indirect - write indirectly addressed registers | |
124 | * @adap: the adapter | |
125 | * @addr_reg: register holding the indirect addresses | |
126 | * @data_reg: register holding the value for the indirect registers | |
127 | * @vals: values to write | |
128 | * @nregs: how many indirect registers to write | |
129 | * @start_idx: address of first indirect register to write | |
130 | * | |
131 | * Writes a sequential block of registers that are accessed indirectly | |
132 | * through an address/data register pair. | |
133 | */ | |
134 | void t4_write_indirect(struct adapter *adap, unsigned int addr_reg, | |
135 | unsigned int data_reg, const u32 *vals, | |
136 | unsigned int nregs, unsigned int start_idx) | |
137 | { | |
138 | while (nregs--) { | |
139 | t4_write_reg(adap, addr_reg, start_idx++); | |
140 | t4_write_reg(adap, data_reg, *vals++); | |
141 | } | |
142 | } | |
143 | ||
0abfd152 HS |
144 | /* |
145 | * Read a 32-bit PCI Configuration Space register via the PCI-E backdoor | |
146 | * mechanism. This guarantees that we get the real value even if we're | |
147 | * operating within a Virtual Machine and the Hypervisor is trapping our | |
148 | * Configuration Space accesses. | |
149 | */ | |
150 | void t4_hw_pci_read_cfg4(struct adapter *adap, int reg, u32 *val) | |
151 | { | |
152 | u32 req = ENABLE | FUNCTION(adap->fn) | reg; | |
153 | ||
154 | if (is_t4(adap->params.chip)) | |
155 | req |= F_LOCALCFG; | |
156 | ||
157 | t4_write_reg(adap, PCIE_CFG_SPACE_REQ, req); | |
158 | *val = t4_read_reg(adap, PCIE_CFG_SPACE_DATA); | |
159 | ||
160 | /* Reset ENABLE to 0 so reads of PCIE_CFG_SPACE_DATA won't cause a | |
161 | * Configuration Space read. (None of the other fields matter when | |
162 | * ENABLE is 0 so a simple register write is easier than a | |
163 | * read-modify-write via t4_set_reg_field().) | |
164 | */ | |
165 | t4_write_reg(adap, PCIE_CFG_SPACE_REQ, 0); | |
166 | } | |
167 | ||
31d55c2d HS |
168 | /* |
169 | * t4_report_fw_error - report firmware error | |
170 | * @adap: the adapter | |
171 | * | |
172 | * The adapter firmware can indicate error conditions to the host. | |
173 | * If the firmware has indicated an error, print out the reason for | |
174 | * the firmware error. | |
175 | */ | |
176 | static void t4_report_fw_error(struct adapter *adap) | |
177 | { | |
178 | static const char *const reason[] = { | |
179 | "Crash", /* PCIE_FW_EVAL_CRASH */ | |
180 | "During Device Preparation", /* PCIE_FW_EVAL_PREP */ | |
181 | "During Device Configuration", /* PCIE_FW_EVAL_CONF */ | |
182 | "During Device Initialization", /* PCIE_FW_EVAL_INIT */ | |
183 | "Unexpected Event", /* PCIE_FW_EVAL_UNEXPECTEDEVENT */ | |
184 | "Insufficient Airflow", /* PCIE_FW_EVAL_OVERHEAT */ | |
185 | "Device Shutdown", /* PCIE_FW_EVAL_DEVICESHUTDOWN */ | |
186 | "Reserved", /* reserved */ | |
187 | }; | |
188 | u32 pcie_fw; | |
189 | ||
190 | pcie_fw = t4_read_reg(adap, MA_PCIE_FW); | |
b2e1a3f0 | 191 | if (pcie_fw & PCIE_FW_ERR) |
31d55c2d | 192 | dev_err(adap->pdev_dev, "Firmware reports adapter error: %s\n", |
b2e1a3f0 | 193 | reason[PCIE_FW_EVAL_G(pcie_fw)]); |
31d55c2d HS |
194 | } |
195 | ||
56d36be4 DM |
196 | /* |
197 | * Get the reply to a mailbox command and store it in @rpl in big-endian order. | |
198 | */ | |
199 | static void get_mbox_rpl(struct adapter *adap, __be64 *rpl, int nflit, | |
200 | u32 mbox_addr) | |
201 | { | |
202 | for ( ; nflit; nflit--, mbox_addr += 8) | |
203 | *rpl++ = cpu_to_be64(t4_read_reg64(adap, mbox_addr)); | |
204 | } | |
205 | ||
206 | /* | |
207 | * Handle a FW assertion reported in a mailbox. | |
208 | */ | |
209 | static void fw_asrt(struct adapter *adap, u32 mbox_addr) | |
210 | { | |
211 | struct fw_debug_cmd asrt; | |
212 | ||
213 | get_mbox_rpl(adap, (__be64 *)&asrt, sizeof(asrt) / 8, mbox_addr); | |
214 | dev_alert(adap->pdev_dev, | |
215 | "FW assertion at %.16s:%u, val0 %#x, val1 %#x\n", | |
216 | asrt.u.assert.filename_0_7, ntohl(asrt.u.assert.line), | |
217 | ntohl(asrt.u.assert.x), ntohl(asrt.u.assert.y)); | |
218 | } | |
219 | ||
220 | static void dump_mbox(struct adapter *adap, int mbox, u32 data_reg) | |
221 | { | |
222 | dev_err(adap->pdev_dev, | |
223 | "mbox %d: %llx %llx %llx %llx %llx %llx %llx %llx\n", mbox, | |
224 | (unsigned long long)t4_read_reg64(adap, data_reg), | |
225 | (unsigned long long)t4_read_reg64(adap, data_reg + 8), | |
226 | (unsigned long long)t4_read_reg64(adap, data_reg + 16), | |
227 | (unsigned long long)t4_read_reg64(adap, data_reg + 24), | |
228 | (unsigned long long)t4_read_reg64(adap, data_reg + 32), | |
229 | (unsigned long long)t4_read_reg64(adap, data_reg + 40), | |
230 | (unsigned long long)t4_read_reg64(adap, data_reg + 48), | |
231 | (unsigned long long)t4_read_reg64(adap, data_reg + 56)); | |
232 | } | |
233 | ||
234 | /** | |
235 | * t4_wr_mbox_meat - send a command to FW through the given mailbox | |
236 | * @adap: the adapter | |
237 | * @mbox: index of the mailbox to use | |
238 | * @cmd: the command to write | |
239 | * @size: command length in bytes | |
240 | * @rpl: where to optionally store the reply | |
241 | * @sleep_ok: if true we may sleep while awaiting command completion | |
242 | * | |
243 | * Sends the given command to FW through the selected mailbox and waits | |
244 | * for the FW to execute the command. If @rpl is not %NULL it is used to | |
245 | * store the FW's reply to the command. The command and its optional | |
246 | * reply are of the same length. FW can take up to %FW_CMD_MAX_TIMEOUT ms | |
247 | * to respond. @sleep_ok determines whether we may sleep while awaiting | |
248 | * the response. If sleeping is allowed we use progressive backoff | |
249 | * otherwise we spin. | |
250 | * | |
251 | * The return value is 0 on success or a negative errno on failure. A | |
252 | * failure can happen either because we are not able to execute the | |
253 | * command or FW executes it but signals an error. In the latter case | |
254 | * the return value is the error code indicated by FW (negated). | |
255 | */ | |
256 | int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size, | |
257 | void *rpl, bool sleep_ok) | |
258 | { | |
005b5717 | 259 | static const int delay[] = { |
56d36be4 DM |
260 | 1, 1, 3, 5, 10, 10, 20, 50, 100, 200 |
261 | }; | |
262 | ||
263 | u32 v; | |
264 | u64 res; | |
265 | int i, ms, delay_idx; | |
266 | const __be64 *p = cmd; | |
267 | u32 data_reg = PF_REG(mbox, CIM_PF_MAILBOX_DATA); | |
268 | u32 ctl_reg = PF_REG(mbox, CIM_PF_MAILBOX_CTRL); | |
269 | ||
270 | if ((size & 15) || size > MBOX_LEN) | |
271 | return -EINVAL; | |
272 | ||
204dc3c0 DM |
273 | /* |
274 | * If the device is off-line, as in EEH, commands will time out. | |
275 | * Fail them early so we don't waste time waiting. | |
276 | */ | |
277 | if (adap->pdev->error_state != pci_channel_io_normal) | |
278 | return -EIO; | |
279 | ||
56d36be4 DM |
280 | v = MBOWNER_GET(t4_read_reg(adap, ctl_reg)); |
281 | for (i = 0; v == MBOX_OWNER_NONE && i < 3; i++) | |
282 | v = MBOWNER_GET(t4_read_reg(adap, ctl_reg)); | |
283 | ||
284 | if (v != MBOX_OWNER_DRV) | |
285 | return v ? -EBUSY : -ETIMEDOUT; | |
286 | ||
287 | for (i = 0; i < size; i += 8) | |
288 | t4_write_reg64(adap, data_reg + i, be64_to_cpu(*p++)); | |
289 | ||
290 | t4_write_reg(adap, ctl_reg, MBMSGVALID | MBOWNER(MBOX_OWNER_FW)); | |
291 | t4_read_reg(adap, ctl_reg); /* flush write */ | |
292 | ||
293 | delay_idx = 0; | |
294 | ms = delay[0]; | |
295 | ||
296 | for (i = 0; i < FW_CMD_MAX_TIMEOUT; i += ms) { | |
297 | if (sleep_ok) { | |
298 | ms = delay[delay_idx]; /* last element may repeat */ | |
299 | if (delay_idx < ARRAY_SIZE(delay) - 1) | |
300 | delay_idx++; | |
301 | msleep(ms); | |
302 | } else | |
303 | mdelay(ms); | |
304 | ||
305 | v = t4_read_reg(adap, ctl_reg); | |
306 | if (MBOWNER_GET(v) == MBOX_OWNER_DRV) { | |
307 | if (!(v & MBMSGVALID)) { | |
308 | t4_write_reg(adap, ctl_reg, 0); | |
309 | continue; | |
310 | } | |
311 | ||
312 | res = t4_read_reg64(adap, data_reg); | |
e2ac9628 | 313 | if (FW_CMD_OP_G(res >> 32) == FW_DEBUG_CMD) { |
56d36be4 | 314 | fw_asrt(adap, data_reg); |
e2ac9628 HS |
315 | res = FW_CMD_RETVAL_V(EIO); |
316 | } else if (rpl) { | |
56d36be4 | 317 | get_mbox_rpl(adap, rpl, size / 8, data_reg); |
e2ac9628 | 318 | } |
56d36be4 | 319 | |
e2ac9628 | 320 | if (FW_CMD_RETVAL_G((int)res)) |
56d36be4 DM |
321 | dump_mbox(adap, mbox, data_reg); |
322 | t4_write_reg(adap, ctl_reg, 0); | |
e2ac9628 | 323 | return -FW_CMD_RETVAL_G((int)res); |
56d36be4 DM |
324 | } |
325 | } | |
326 | ||
327 | dump_mbox(adap, mbox, data_reg); | |
328 | dev_err(adap->pdev_dev, "command %#x in mailbox %d timed out\n", | |
329 | *(const u8 *)cmd, mbox); | |
31d55c2d | 330 | t4_report_fw_error(adap); |
56d36be4 DM |
331 | return -ETIMEDOUT; |
332 | } | |
333 | ||
334 | /** | |
335 | * t4_mc_read - read from MC through backdoor accesses | |
336 | * @adap: the adapter | |
337 | * @addr: address of first byte requested | |
19dd37ba | 338 | * @idx: which MC to access |
56d36be4 DM |
339 | * @data: 64 bytes of data containing the requested address |
340 | * @ecc: where to store the corresponding 64-bit ECC word | |
341 | * | |
342 | * Read 64 bytes of data from MC starting at a 64-byte-aligned address | |
343 | * that covers the requested address @addr. If @parity is not %NULL it | |
344 | * is assigned the 64-bit ECC word for the read data. | |
345 | */ | |
19dd37ba | 346 | int t4_mc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc) |
56d36be4 DM |
347 | { |
348 | int i; | |
19dd37ba SR |
349 | u32 mc_bist_cmd, mc_bist_cmd_addr, mc_bist_cmd_len; |
350 | u32 mc_bist_status_rdata, mc_bist_data_pattern; | |
56d36be4 | 351 | |
d14807dd | 352 | if (is_t4(adap->params.chip)) { |
19dd37ba SR |
353 | mc_bist_cmd = MC_BIST_CMD; |
354 | mc_bist_cmd_addr = MC_BIST_CMD_ADDR; | |
355 | mc_bist_cmd_len = MC_BIST_CMD_LEN; | |
356 | mc_bist_status_rdata = MC_BIST_STATUS_RDATA; | |
357 | mc_bist_data_pattern = MC_BIST_DATA_PATTERN; | |
358 | } else { | |
359 | mc_bist_cmd = MC_REG(MC_P_BIST_CMD, idx); | |
360 | mc_bist_cmd_addr = MC_REG(MC_P_BIST_CMD_ADDR, idx); | |
361 | mc_bist_cmd_len = MC_REG(MC_P_BIST_CMD_LEN, idx); | |
362 | mc_bist_status_rdata = MC_REG(MC_P_BIST_STATUS_RDATA, idx); | |
363 | mc_bist_data_pattern = MC_REG(MC_P_BIST_DATA_PATTERN, idx); | |
364 | } | |
365 | ||
366 | if (t4_read_reg(adap, mc_bist_cmd) & START_BIST) | |
56d36be4 | 367 | return -EBUSY; |
19dd37ba SR |
368 | t4_write_reg(adap, mc_bist_cmd_addr, addr & ~0x3fU); |
369 | t4_write_reg(adap, mc_bist_cmd_len, 64); | |
370 | t4_write_reg(adap, mc_bist_data_pattern, 0xc); | |
371 | t4_write_reg(adap, mc_bist_cmd, BIST_OPCODE(1) | START_BIST | | |
56d36be4 | 372 | BIST_CMD_GAP(1)); |
19dd37ba | 373 | i = t4_wait_op_done(adap, mc_bist_cmd, START_BIST, 0, 10, 1); |
56d36be4 DM |
374 | if (i) |
375 | return i; | |
376 | ||
19dd37ba | 377 | #define MC_DATA(i) MC_BIST_STATUS_REG(mc_bist_status_rdata, i) |
56d36be4 DM |
378 | |
379 | for (i = 15; i >= 0; i--) | |
380 | *data++ = htonl(t4_read_reg(adap, MC_DATA(i))); | |
381 | if (ecc) | |
382 | *ecc = t4_read_reg64(adap, MC_DATA(16)); | |
383 | #undef MC_DATA | |
384 | return 0; | |
385 | } | |
386 | ||
387 | /** | |
388 | * t4_edc_read - read from EDC through backdoor accesses | |
389 | * @adap: the adapter | |
390 | * @idx: which EDC to access | |
391 | * @addr: address of first byte requested | |
392 | * @data: 64 bytes of data containing the requested address | |
393 | * @ecc: where to store the corresponding 64-bit ECC word | |
394 | * | |
395 | * Read 64 bytes of data from EDC starting at a 64-byte-aligned address | |
396 | * that covers the requested address @addr. If @parity is not %NULL it | |
397 | * is assigned the 64-bit ECC word for the read data. | |
398 | */ | |
399 | int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc) | |
400 | { | |
401 | int i; | |
19dd37ba SR |
402 | u32 edc_bist_cmd, edc_bist_cmd_addr, edc_bist_cmd_len; |
403 | u32 edc_bist_cmd_data_pattern, edc_bist_status_rdata; | |
56d36be4 | 404 | |
d14807dd | 405 | if (is_t4(adap->params.chip)) { |
19dd37ba SR |
406 | edc_bist_cmd = EDC_REG(EDC_BIST_CMD, idx); |
407 | edc_bist_cmd_addr = EDC_REG(EDC_BIST_CMD_ADDR, idx); | |
408 | edc_bist_cmd_len = EDC_REG(EDC_BIST_CMD_LEN, idx); | |
409 | edc_bist_cmd_data_pattern = EDC_REG(EDC_BIST_DATA_PATTERN, | |
410 | idx); | |
411 | edc_bist_status_rdata = EDC_REG(EDC_BIST_STATUS_RDATA, | |
412 | idx); | |
413 | } else { | |
414 | edc_bist_cmd = EDC_REG_T5(EDC_H_BIST_CMD, idx); | |
415 | edc_bist_cmd_addr = EDC_REG_T5(EDC_H_BIST_CMD_ADDR, idx); | |
416 | edc_bist_cmd_len = EDC_REG_T5(EDC_H_BIST_CMD_LEN, idx); | |
417 | edc_bist_cmd_data_pattern = | |
418 | EDC_REG_T5(EDC_H_BIST_DATA_PATTERN, idx); | |
419 | edc_bist_status_rdata = | |
420 | EDC_REG_T5(EDC_H_BIST_STATUS_RDATA, idx); | |
421 | } | |
422 | ||
423 | if (t4_read_reg(adap, edc_bist_cmd) & START_BIST) | |
56d36be4 | 424 | return -EBUSY; |
19dd37ba SR |
425 | t4_write_reg(adap, edc_bist_cmd_addr, addr & ~0x3fU); |
426 | t4_write_reg(adap, edc_bist_cmd_len, 64); | |
427 | t4_write_reg(adap, edc_bist_cmd_data_pattern, 0xc); | |
428 | t4_write_reg(adap, edc_bist_cmd, | |
56d36be4 | 429 | BIST_OPCODE(1) | BIST_CMD_GAP(1) | START_BIST); |
19dd37ba | 430 | i = t4_wait_op_done(adap, edc_bist_cmd, START_BIST, 0, 10, 1); |
56d36be4 DM |
431 | if (i) |
432 | return i; | |
433 | ||
19dd37ba | 434 | #define EDC_DATA(i) (EDC_BIST_STATUS_REG(edc_bist_status_rdata, i)) |
56d36be4 DM |
435 | |
436 | for (i = 15; i >= 0; i--) | |
437 | *data++ = htonl(t4_read_reg(adap, EDC_DATA(i))); | |
438 | if (ecc) | |
439 | *ecc = t4_read_reg64(adap, EDC_DATA(16)); | |
440 | #undef EDC_DATA | |
441 | return 0; | |
442 | } | |
443 | ||
5afc8b84 VP |
444 | /** |
445 | * t4_memory_rw - read/write EDC 0, EDC 1 or MC via PCIE memory window | |
446 | * @adap: the adapter | |
fc5ab020 | 447 | * @win: PCI-E Memory Window to use |
5afc8b84 VP |
448 | * @mtype: memory type: MEM_EDC0, MEM_EDC1 or MEM_MC |
449 | * @addr: address within indicated memory type | |
450 | * @len: amount of memory to transfer | |
451 | * @buf: host memory buffer | |
fc5ab020 | 452 | * @dir: direction of transfer T4_MEMORY_READ (1) or T4_MEMORY_WRITE (0) |
5afc8b84 VP |
453 | * |
454 | * Reads/writes an [almost] arbitrary memory region in the firmware: the | |
fc5ab020 HS |
455 | * firmware memory address and host buffer must be aligned on 32-bit |
456 | * boudaries; the length may be arbitrary. The memory is transferred as | |
457 | * a raw byte sequence from/to the firmware's memory. If this memory | |
458 | * contains data structures which contain multi-byte integers, it's the | |
459 | * caller's responsibility to perform appropriate byte order conversions. | |
5afc8b84 | 460 | */ |
fc5ab020 HS |
461 | int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, |
462 | u32 len, __be32 *buf, int dir) | |
5afc8b84 | 463 | { |
fc5ab020 HS |
464 | u32 pos, offset, resid, memoffset; |
465 | u32 edc_size, mc_size, win_pf, mem_reg, mem_aperture, mem_base; | |
5afc8b84 | 466 | |
fc5ab020 | 467 | /* Argument sanity checks ... |
5afc8b84 | 468 | */ |
fc5ab020 | 469 | if (addr & 0x3) |
5afc8b84 VP |
470 | return -EINVAL; |
471 | ||
fc5ab020 HS |
472 | /* It's convenient to be able to handle lengths which aren't a |
473 | * multiple of 32-bits because we often end up transferring files to | |
474 | * the firmware. So we'll handle that by normalizing the length here | |
475 | * and then handling any residual transfer at the end. | |
476 | */ | |
477 | resid = len & 0x3; | |
478 | len -= resid; | |
8c357ebd | 479 | |
19dd37ba | 480 | /* Offset into the region of memory which is being accessed |
5afc8b84 VP |
481 | * MEM_EDC0 = 0 |
482 | * MEM_EDC1 = 1 | |
19dd37ba SR |
483 | * MEM_MC = 2 -- T4 |
484 | * MEM_MC0 = 2 -- For T5 | |
485 | * MEM_MC1 = 3 -- For T5 | |
5afc8b84 | 486 | */ |
6559a7e8 | 487 | edc_size = EDRAM0_SIZE_G(t4_read_reg(adap, MA_EDRAM0_BAR_A)); |
19dd37ba SR |
488 | if (mtype != MEM_MC1) |
489 | memoffset = (mtype * (edc_size * 1024 * 1024)); | |
490 | else { | |
6559a7e8 HS |
491 | mc_size = EXT_MEM0_SIZE_G(t4_read_reg(adap, |
492 | MA_EXT_MEMORY1_BAR_A)); | |
19dd37ba SR |
493 | memoffset = (MEM_MC0 * edc_size + mc_size) * 1024 * 1024; |
494 | } | |
5afc8b84 VP |
495 | |
496 | /* Determine the PCIE_MEM_ACCESS_OFFSET */ | |
497 | addr = addr + memoffset; | |
498 | ||
fc5ab020 HS |
499 | /* Each PCI-E Memory Window is programmed with a window size -- or |
500 | * "aperture" -- which controls the granularity of its mapping onto | |
501 | * adapter memory. We need to grab that aperture in order to know | |
502 | * how to use the specified window. The window is also programmed | |
503 | * with the base address of the Memory Window in BAR0's address | |
504 | * space. For T4 this is an absolute PCI-E Bus Address. For T5 | |
505 | * the address is relative to BAR0. | |
5afc8b84 | 506 | */ |
fc5ab020 HS |
507 | mem_reg = t4_read_reg(adap, |
508 | PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN, | |
509 | win)); | |
510 | mem_aperture = 1 << (GET_WINDOW(mem_reg) + 10); | |
511 | mem_base = GET_PCIEOFST(mem_reg) << 10; | |
512 | if (is_t4(adap->params.chip)) | |
513 | mem_base -= adap->t4_bar0; | |
514 | win_pf = is_t4(adap->params.chip) ? 0 : V_PFNUM(adap->fn); | |
5afc8b84 | 515 | |
fc5ab020 HS |
516 | /* Calculate our initial PCI-E Memory Window Position and Offset into |
517 | * that Window. | |
518 | */ | |
519 | pos = addr & ~(mem_aperture-1); | |
520 | offset = addr - pos; | |
5afc8b84 | 521 | |
fc5ab020 HS |
522 | /* Set up initial PCI-E Memory Window to cover the start of our |
523 | * transfer. (Read it back to ensure that changes propagate before we | |
524 | * attempt to use the new value.) | |
525 | */ | |
526 | t4_write_reg(adap, | |
527 | PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET, win), | |
528 | pos | win_pf); | |
529 | t4_read_reg(adap, | |
530 | PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET, win)); | |
531 | ||
532 | /* Transfer data to/from the adapter as long as there's an integral | |
533 | * number of 32-bit transfers to complete. | |
534 | */ | |
535 | while (len > 0) { | |
536 | if (dir == T4_MEMORY_READ) | |
537 | *buf++ = (__force __be32) t4_read_reg(adap, | |
538 | mem_base + offset); | |
539 | else | |
540 | t4_write_reg(adap, mem_base + offset, | |
541 | (__force u32) *buf++); | |
542 | offset += sizeof(__be32); | |
543 | len -= sizeof(__be32); | |
544 | ||
545 | /* If we've reached the end of our current window aperture, | |
546 | * move the PCI-E Memory Window on to the next. Note that | |
547 | * doing this here after "len" may be 0 allows us to set up | |
548 | * the PCI-E Memory Window for a possible final residual | |
549 | * transfer below ... | |
5afc8b84 | 550 | */ |
fc5ab020 HS |
551 | if (offset == mem_aperture) { |
552 | pos += mem_aperture; | |
553 | offset = 0; | |
554 | t4_write_reg(adap, | |
555 | PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET, | |
556 | win), pos | win_pf); | |
557 | t4_read_reg(adap, | |
558 | PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET, | |
559 | win)); | |
5afc8b84 | 560 | } |
5afc8b84 VP |
561 | } |
562 | ||
fc5ab020 HS |
563 | /* If the original transfer had a length which wasn't a multiple of |
564 | * 32-bits, now's where we need to finish off the transfer of the | |
565 | * residual amount. The PCI-E Memory Window has already been moved | |
566 | * above (if necessary) to cover this final transfer. | |
567 | */ | |
568 | if (resid) { | |
569 | union { | |
570 | __be32 word; | |
571 | char byte[4]; | |
572 | } last; | |
573 | unsigned char *bp; | |
574 | int i; | |
575 | ||
c81576c2 | 576 | if (dir == T4_MEMORY_READ) { |
fc5ab020 HS |
577 | last.word = (__force __be32) t4_read_reg(adap, |
578 | mem_base + offset); | |
579 | for (bp = (unsigned char *)buf, i = resid; i < 4; i++) | |
580 | bp[i] = last.byte[i]; | |
581 | } else { | |
582 | last.word = *buf; | |
583 | for (i = resid; i < 4; i++) | |
584 | last.byte[i] = 0; | |
585 | t4_write_reg(adap, mem_base + offset, | |
586 | (__force u32) last.word); | |
587 | } | |
588 | } | |
5afc8b84 | 589 | |
fc5ab020 | 590 | return 0; |
5afc8b84 VP |
591 | } |
592 | ||
56d36be4 | 593 | #define EEPROM_STAT_ADDR 0x7bfc |
47ce9c48 SR |
594 | #define VPD_BASE 0x400 |
595 | #define VPD_BASE_OLD 0 | |
0a57a536 | 596 | #define VPD_LEN 1024 |
63a92fe6 | 597 | #define CHELSIO_VPD_UNIQUE_ID 0x82 |
56d36be4 DM |
598 | |
599 | /** | |
600 | * t4_seeprom_wp - enable/disable EEPROM write protection | |
601 | * @adapter: the adapter | |
602 | * @enable: whether to enable or disable write protection | |
603 | * | |
604 | * Enables or disables write protection on the serial EEPROM. | |
605 | */ | |
606 | int t4_seeprom_wp(struct adapter *adapter, bool enable) | |
607 | { | |
608 | unsigned int v = enable ? 0xc : 0; | |
609 | int ret = pci_write_vpd(adapter->pdev, EEPROM_STAT_ADDR, 4, &v); | |
610 | return ret < 0 ? ret : 0; | |
611 | } | |
612 | ||
613 | /** | |
614 | * get_vpd_params - read VPD parameters from VPD EEPROM | |
615 | * @adapter: adapter to read | |
616 | * @p: where to store the parameters | |
617 | * | |
618 | * Reads card parameters stored in VPD EEPROM. | |
619 | */ | |
636f9d37 | 620 | int get_vpd_params(struct adapter *adapter, struct vpd_params *p) |
56d36be4 | 621 | { |
636f9d37 | 622 | u32 cclk_param, cclk_val; |
47ce9c48 | 623 | int i, ret, addr; |
a94cd705 | 624 | int ec, sn, pn; |
8c357ebd | 625 | u8 *vpd, csum; |
23d88e1d | 626 | unsigned int vpdr_len, kw_offset, id_len; |
56d36be4 | 627 | |
8c357ebd VP |
628 | vpd = vmalloc(VPD_LEN); |
629 | if (!vpd) | |
630 | return -ENOMEM; | |
631 | ||
47ce9c48 SR |
632 | ret = pci_read_vpd(adapter->pdev, VPD_BASE, sizeof(u32), vpd); |
633 | if (ret < 0) | |
634 | goto out; | |
63a92fe6 HS |
635 | |
636 | /* The VPD shall have a unique identifier specified by the PCI SIG. | |
637 | * For chelsio adapters, the identifier is 0x82. The first byte of a VPD | |
638 | * shall be CHELSIO_VPD_UNIQUE_ID (0x82). The VPD programming software | |
639 | * is expected to automatically put this entry at the | |
640 | * beginning of the VPD. | |
641 | */ | |
642 | addr = *vpd == CHELSIO_VPD_UNIQUE_ID ? VPD_BASE : VPD_BASE_OLD; | |
47ce9c48 SR |
643 | |
644 | ret = pci_read_vpd(adapter->pdev, addr, VPD_LEN, vpd); | |
56d36be4 | 645 | if (ret < 0) |
8c357ebd | 646 | goto out; |
56d36be4 | 647 | |
23d88e1d DM |
648 | if (vpd[0] != PCI_VPD_LRDT_ID_STRING) { |
649 | dev_err(adapter->pdev_dev, "missing VPD ID string\n"); | |
8c357ebd VP |
650 | ret = -EINVAL; |
651 | goto out; | |
23d88e1d DM |
652 | } |
653 | ||
654 | id_len = pci_vpd_lrdt_size(vpd); | |
655 | if (id_len > ID_LEN) | |
656 | id_len = ID_LEN; | |
657 | ||
658 | i = pci_vpd_find_tag(vpd, 0, VPD_LEN, PCI_VPD_LRDT_RO_DATA); | |
659 | if (i < 0) { | |
660 | dev_err(adapter->pdev_dev, "missing VPD-R section\n"); | |
8c357ebd VP |
661 | ret = -EINVAL; |
662 | goto out; | |
23d88e1d DM |
663 | } |
664 | ||
665 | vpdr_len = pci_vpd_lrdt_size(&vpd[i]); | |
666 | kw_offset = i + PCI_VPD_LRDT_TAG_SIZE; | |
667 | if (vpdr_len + kw_offset > VPD_LEN) { | |
226ec5fd | 668 | dev_err(adapter->pdev_dev, "bad VPD-R length %u\n", vpdr_len); |
8c357ebd VP |
669 | ret = -EINVAL; |
670 | goto out; | |
226ec5fd DM |
671 | } |
672 | ||
673 | #define FIND_VPD_KW(var, name) do { \ | |
23d88e1d | 674 | var = pci_vpd_find_info_keyword(vpd, kw_offset, vpdr_len, name); \ |
226ec5fd DM |
675 | if (var < 0) { \ |
676 | dev_err(adapter->pdev_dev, "missing VPD keyword " name "\n"); \ | |
8c357ebd VP |
677 | ret = -EINVAL; \ |
678 | goto out; \ | |
226ec5fd DM |
679 | } \ |
680 | var += PCI_VPD_INFO_FLD_HDR_SIZE; \ | |
681 | } while (0) | |
682 | ||
683 | FIND_VPD_KW(i, "RV"); | |
684 | for (csum = 0; i >= 0; i--) | |
685 | csum += vpd[i]; | |
56d36be4 DM |
686 | |
687 | if (csum) { | |
688 | dev_err(adapter->pdev_dev, | |
689 | "corrupted VPD EEPROM, actual csum %u\n", csum); | |
8c357ebd VP |
690 | ret = -EINVAL; |
691 | goto out; | |
56d36be4 DM |
692 | } |
693 | ||
226ec5fd DM |
694 | FIND_VPD_KW(ec, "EC"); |
695 | FIND_VPD_KW(sn, "SN"); | |
a94cd705 | 696 | FIND_VPD_KW(pn, "PN"); |
226ec5fd DM |
697 | #undef FIND_VPD_KW |
698 | ||
23d88e1d | 699 | memcpy(p->id, vpd + PCI_VPD_LRDT_TAG_SIZE, id_len); |
56d36be4 | 700 | strim(p->id); |
226ec5fd | 701 | memcpy(p->ec, vpd + ec, EC_LEN); |
56d36be4 | 702 | strim(p->ec); |
226ec5fd DM |
703 | i = pci_vpd_info_field_size(vpd + sn - PCI_VPD_INFO_FLD_HDR_SIZE); |
704 | memcpy(p->sn, vpd + sn, min(i, SERNUM_LEN)); | |
56d36be4 | 705 | strim(p->sn); |
63a92fe6 | 706 | i = pci_vpd_info_field_size(vpd + pn - PCI_VPD_INFO_FLD_HDR_SIZE); |
a94cd705 KS |
707 | memcpy(p->pn, vpd + pn, min(i, PN_LEN)); |
708 | strim(p->pn); | |
636f9d37 VP |
709 | |
710 | /* | |
711 | * Ask firmware for the Core Clock since it knows how to translate the | |
712 | * Reference Clock ('V2') VPD field into a Core Clock value ... | |
713 | */ | |
5167865a HS |
714 | cclk_param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) | |
715 | FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_CCLK)); | |
636f9d37 VP |
716 | ret = t4_query_params(adapter, adapter->mbox, 0, 0, |
717 | 1, &cclk_param, &cclk_val); | |
8c357ebd VP |
718 | |
719 | out: | |
720 | vfree(vpd); | |
636f9d37 VP |
721 | if (ret) |
722 | return ret; | |
723 | p->cclk = cclk_val; | |
724 | ||
56d36be4 DM |
725 | return 0; |
726 | } | |
727 | ||
728 | /* serial flash and firmware constants */ | |
729 | enum { | |
730 | SF_ATTEMPTS = 10, /* max retries for SF operations */ | |
731 | ||
732 | /* flash command opcodes */ | |
733 | SF_PROG_PAGE = 2, /* program page */ | |
734 | SF_WR_DISABLE = 4, /* disable writes */ | |
735 | SF_RD_STATUS = 5, /* read status register */ | |
736 | SF_WR_ENABLE = 6, /* enable writes */ | |
737 | SF_RD_DATA_FAST = 0xb, /* read flash */ | |
900a6596 | 738 | SF_RD_ID = 0x9f, /* read ID */ |
56d36be4 DM |
739 | SF_ERASE_SECTOR = 0xd8, /* erase sector */ |
740 | ||
6f1d7210 | 741 | FW_MAX_SIZE = 16 * SF_SEC_SIZE, |
56d36be4 DM |
742 | }; |
743 | ||
744 | /** | |
745 | * sf1_read - read data from the serial flash | |
746 | * @adapter: the adapter | |
747 | * @byte_cnt: number of bytes to read | |
748 | * @cont: whether another operation will be chained | |
749 | * @lock: whether to lock SF for PL access only | |
750 | * @valp: where to store the read data | |
751 | * | |
752 | * Reads up to 4 bytes of data from the serial flash. The location of | |
753 | * the read needs to be specified prior to calling this by issuing the | |
754 | * appropriate commands to the serial flash. | |
755 | */ | |
756 | static int sf1_read(struct adapter *adapter, unsigned int byte_cnt, int cont, | |
757 | int lock, u32 *valp) | |
758 | { | |
759 | int ret; | |
760 | ||
761 | if (!byte_cnt || byte_cnt > 4) | |
762 | return -EINVAL; | |
ce91a923 | 763 | if (t4_read_reg(adapter, SF_OP) & SF_BUSY) |
56d36be4 DM |
764 | return -EBUSY; |
765 | cont = cont ? SF_CONT : 0; | |
766 | lock = lock ? SF_LOCK : 0; | |
767 | t4_write_reg(adapter, SF_OP, lock | cont | BYTECNT(byte_cnt - 1)); | |
ce91a923 | 768 | ret = t4_wait_op_done(adapter, SF_OP, SF_BUSY, 0, SF_ATTEMPTS, 5); |
56d36be4 DM |
769 | if (!ret) |
770 | *valp = t4_read_reg(adapter, SF_DATA); | |
771 | return ret; | |
772 | } | |
773 | ||
774 | /** | |
775 | * sf1_write - write data to the serial flash | |
776 | * @adapter: the adapter | |
777 | * @byte_cnt: number of bytes to write | |
778 | * @cont: whether another operation will be chained | |
779 | * @lock: whether to lock SF for PL access only | |
780 | * @val: value to write | |
781 | * | |
782 | * Writes up to 4 bytes of data to the serial flash. The location of | |
783 | * the write needs to be specified prior to calling this by issuing the | |
784 | * appropriate commands to the serial flash. | |
785 | */ | |
786 | static int sf1_write(struct adapter *adapter, unsigned int byte_cnt, int cont, | |
787 | int lock, u32 val) | |
788 | { | |
789 | if (!byte_cnt || byte_cnt > 4) | |
790 | return -EINVAL; | |
ce91a923 | 791 | if (t4_read_reg(adapter, SF_OP) & SF_BUSY) |
56d36be4 DM |
792 | return -EBUSY; |
793 | cont = cont ? SF_CONT : 0; | |
794 | lock = lock ? SF_LOCK : 0; | |
795 | t4_write_reg(adapter, SF_DATA, val); | |
796 | t4_write_reg(adapter, SF_OP, lock | | |
797 | cont | BYTECNT(byte_cnt - 1) | OP_WR); | |
ce91a923 | 798 | return t4_wait_op_done(adapter, SF_OP, SF_BUSY, 0, SF_ATTEMPTS, 5); |
56d36be4 DM |
799 | } |
800 | ||
801 | /** | |
802 | * flash_wait_op - wait for a flash operation to complete | |
803 | * @adapter: the adapter | |
804 | * @attempts: max number of polls of the status register | |
805 | * @delay: delay between polls in ms | |
806 | * | |
807 | * Wait for a flash operation to complete by polling the status register. | |
808 | */ | |
809 | static int flash_wait_op(struct adapter *adapter, int attempts, int delay) | |
810 | { | |
811 | int ret; | |
812 | u32 status; | |
813 | ||
814 | while (1) { | |
815 | if ((ret = sf1_write(adapter, 1, 1, 1, SF_RD_STATUS)) != 0 || | |
816 | (ret = sf1_read(adapter, 1, 0, 1, &status)) != 0) | |
817 | return ret; | |
818 | if (!(status & 1)) | |
819 | return 0; | |
820 | if (--attempts == 0) | |
821 | return -EAGAIN; | |
822 | if (delay) | |
823 | msleep(delay); | |
824 | } | |
825 | } | |
826 | ||
827 | /** | |
828 | * t4_read_flash - read words from serial flash | |
829 | * @adapter: the adapter | |
830 | * @addr: the start address for the read | |
831 | * @nwords: how many 32-bit words to read | |
832 | * @data: where to store the read data | |
833 | * @byte_oriented: whether to store data as bytes or as words | |
834 | * | |
835 | * Read the specified number of 32-bit words from the serial flash. | |
836 | * If @byte_oriented is set the read data is stored as a byte array | |
837 | * (i.e., big-endian), otherwise as 32-bit words in the platform's | |
838 | * natural endianess. | |
839 | */ | |
de498c89 RD |
840 | static int t4_read_flash(struct adapter *adapter, unsigned int addr, |
841 | unsigned int nwords, u32 *data, int byte_oriented) | |
56d36be4 DM |
842 | { |
843 | int ret; | |
844 | ||
900a6596 | 845 | if (addr + nwords * sizeof(u32) > adapter->params.sf_size || (addr & 3)) |
56d36be4 DM |
846 | return -EINVAL; |
847 | ||
848 | addr = swab32(addr) | SF_RD_DATA_FAST; | |
849 | ||
850 | if ((ret = sf1_write(adapter, 4, 1, 0, addr)) != 0 || | |
851 | (ret = sf1_read(adapter, 1, 1, 0, data)) != 0) | |
852 | return ret; | |
853 | ||
854 | for ( ; nwords; nwords--, data++) { | |
855 | ret = sf1_read(adapter, 4, nwords > 1, nwords == 1, data); | |
856 | if (nwords == 1) | |
857 | t4_write_reg(adapter, SF_OP, 0); /* unlock SF */ | |
858 | if (ret) | |
859 | return ret; | |
860 | if (byte_oriented) | |
404d9e3f | 861 | *data = (__force __u32) (htonl(*data)); |
56d36be4 DM |
862 | } |
863 | return 0; | |
864 | } | |
865 | ||
866 | /** | |
867 | * t4_write_flash - write up to a page of data to the serial flash | |
868 | * @adapter: the adapter | |
869 | * @addr: the start address to write | |
870 | * @n: length of data to write in bytes | |
871 | * @data: the data to write | |
872 | * | |
873 | * Writes up to a page of data (256 bytes) to the serial flash starting | |
874 | * at the given address. All the data must be written to the same page. | |
875 | */ | |
876 | static int t4_write_flash(struct adapter *adapter, unsigned int addr, | |
877 | unsigned int n, const u8 *data) | |
878 | { | |
879 | int ret; | |
880 | u32 buf[64]; | |
881 | unsigned int i, c, left, val, offset = addr & 0xff; | |
882 | ||
900a6596 | 883 | if (addr >= adapter->params.sf_size || offset + n > SF_PAGE_SIZE) |
56d36be4 DM |
884 | return -EINVAL; |
885 | ||
886 | val = swab32(addr) | SF_PROG_PAGE; | |
887 | ||
888 | if ((ret = sf1_write(adapter, 1, 0, 1, SF_WR_ENABLE)) != 0 || | |
889 | (ret = sf1_write(adapter, 4, 1, 1, val)) != 0) | |
890 | goto unlock; | |
891 | ||
892 | for (left = n; left; left -= c) { | |
893 | c = min(left, 4U); | |
894 | for (val = 0, i = 0; i < c; ++i) | |
895 | val = (val << 8) + *data++; | |
896 | ||
897 | ret = sf1_write(adapter, c, c != left, 1, val); | |
898 | if (ret) | |
899 | goto unlock; | |
900 | } | |
900a6596 | 901 | ret = flash_wait_op(adapter, 8, 1); |
56d36be4 DM |
902 | if (ret) |
903 | goto unlock; | |
904 | ||
905 | t4_write_reg(adapter, SF_OP, 0); /* unlock SF */ | |
906 | ||
907 | /* Read the page to verify the write succeeded */ | |
908 | ret = t4_read_flash(adapter, addr & ~0xff, ARRAY_SIZE(buf), buf, 1); | |
909 | if (ret) | |
910 | return ret; | |
911 | ||
912 | if (memcmp(data - n, (u8 *)buf + offset, n)) { | |
913 | dev_err(adapter->pdev_dev, | |
914 | "failed to correctly write the flash page at %#x\n", | |
915 | addr); | |
916 | return -EIO; | |
917 | } | |
918 | return 0; | |
919 | ||
920 | unlock: | |
921 | t4_write_reg(adapter, SF_OP, 0); /* unlock SF */ | |
922 | return ret; | |
923 | } | |
924 | ||
925 | /** | |
16e47624 | 926 | * t4_get_fw_version - read the firmware version |
56d36be4 DM |
927 | * @adapter: the adapter |
928 | * @vers: where to place the version | |
929 | * | |
930 | * Reads the FW version from flash. | |
931 | */ | |
16e47624 | 932 | int t4_get_fw_version(struct adapter *adapter, u32 *vers) |
56d36be4 | 933 | { |
16e47624 HS |
934 | return t4_read_flash(adapter, FLASH_FW_START + |
935 | offsetof(struct fw_hdr, fw_ver), 1, | |
936 | vers, 0); | |
56d36be4 DM |
937 | } |
938 | ||
939 | /** | |
16e47624 | 940 | * t4_get_tp_version - read the TP microcode version |
56d36be4 DM |
941 | * @adapter: the adapter |
942 | * @vers: where to place the version | |
943 | * | |
944 | * Reads the TP microcode version from flash. | |
945 | */ | |
16e47624 | 946 | int t4_get_tp_version(struct adapter *adapter, u32 *vers) |
56d36be4 | 947 | { |
16e47624 | 948 | return t4_read_flash(adapter, FLASH_FW_START + |
900a6596 | 949 | offsetof(struct fw_hdr, tp_microcode_ver), |
56d36be4 DM |
950 | 1, vers, 0); |
951 | } | |
952 | ||
16e47624 HS |
953 | /* Is the given firmware API compatible with the one the driver was compiled |
954 | * with? | |
56d36be4 | 955 | */ |
16e47624 | 956 | static int fw_compatible(const struct fw_hdr *hdr1, const struct fw_hdr *hdr2) |
56d36be4 | 957 | { |
56d36be4 | 958 | |
16e47624 HS |
959 | /* short circuit if it's the exact same firmware version */ |
960 | if (hdr1->chip == hdr2->chip && hdr1->fw_ver == hdr2->fw_ver) | |
961 | return 1; | |
56d36be4 | 962 | |
16e47624 HS |
963 | #define SAME_INTF(x) (hdr1->intfver_##x == hdr2->intfver_##x) |
964 | if (hdr1->chip == hdr2->chip && SAME_INTF(nic) && SAME_INTF(vnic) && | |
965 | SAME_INTF(ri) && SAME_INTF(iscsi) && SAME_INTF(fcoe)) | |
966 | return 1; | |
967 | #undef SAME_INTF | |
0a57a536 | 968 | |
16e47624 HS |
969 | return 0; |
970 | } | |
56d36be4 | 971 | |
16e47624 HS |
972 | /* The firmware in the filesystem is usable, but should it be installed? |
973 | * This routine explains itself in detail if it indicates the filesystem | |
974 | * firmware should be installed. | |
975 | */ | |
976 | static int should_install_fs_fw(struct adapter *adap, int card_fw_usable, | |
977 | int k, int c) | |
978 | { | |
979 | const char *reason; | |
980 | ||
981 | if (!card_fw_usable) { | |
982 | reason = "incompatible or unusable"; | |
983 | goto install; | |
e69972f5 JH |
984 | } |
985 | ||
16e47624 HS |
986 | if (k > c) { |
987 | reason = "older than the version supported with this driver"; | |
988 | goto install; | |
56d36be4 DM |
989 | } |
990 | ||
16e47624 HS |
991 | return 0; |
992 | ||
993 | install: | |
994 | dev_err(adap->pdev_dev, "firmware on card (%u.%u.%u.%u) is %s, " | |
995 | "installing firmware %u.%u.%u.%u on card.\n", | |
b2e1a3f0 HS |
996 | FW_HDR_FW_VER_MAJOR_G(c), FW_HDR_FW_VER_MINOR_G(c), |
997 | FW_HDR_FW_VER_MICRO_G(c), FW_HDR_FW_VER_BUILD_G(c), reason, | |
998 | FW_HDR_FW_VER_MAJOR_G(k), FW_HDR_FW_VER_MINOR_G(k), | |
999 | FW_HDR_FW_VER_MICRO_G(k), FW_HDR_FW_VER_BUILD_G(k)); | |
56d36be4 | 1000 | |
56d36be4 DM |
1001 | return 1; |
1002 | } | |
1003 | ||
16e47624 HS |
1004 | int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info, |
1005 | const u8 *fw_data, unsigned int fw_size, | |
1006 | struct fw_hdr *card_fw, enum dev_state state, | |
1007 | int *reset) | |
1008 | { | |
1009 | int ret, card_fw_usable, fs_fw_usable; | |
1010 | const struct fw_hdr *fs_fw; | |
1011 | const struct fw_hdr *drv_fw; | |
1012 | ||
1013 | drv_fw = &fw_info->fw_hdr; | |
1014 | ||
1015 | /* Read the header of the firmware on the card */ | |
1016 | ret = -t4_read_flash(adap, FLASH_FW_START, | |
1017 | sizeof(*card_fw) / sizeof(uint32_t), | |
1018 | (uint32_t *)card_fw, 1); | |
1019 | if (ret == 0) { | |
1020 | card_fw_usable = fw_compatible(drv_fw, (const void *)card_fw); | |
1021 | } else { | |
1022 | dev_err(adap->pdev_dev, | |
1023 | "Unable to read card's firmware header: %d\n", ret); | |
1024 | card_fw_usable = 0; | |
1025 | } | |
1026 | ||
1027 | if (fw_data != NULL) { | |
1028 | fs_fw = (const void *)fw_data; | |
1029 | fs_fw_usable = fw_compatible(drv_fw, fs_fw); | |
1030 | } else { | |
1031 | fs_fw = NULL; | |
1032 | fs_fw_usable = 0; | |
1033 | } | |
1034 | ||
1035 | if (card_fw_usable && card_fw->fw_ver == drv_fw->fw_ver && | |
1036 | (!fs_fw_usable || fs_fw->fw_ver == drv_fw->fw_ver)) { | |
1037 | /* Common case: the firmware on the card is an exact match and | |
1038 | * the filesystem one is an exact match too, or the filesystem | |
1039 | * one is absent/incompatible. | |
1040 | */ | |
1041 | } else if (fs_fw_usable && state == DEV_STATE_UNINIT && | |
1042 | should_install_fs_fw(adap, card_fw_usable, | |
1043 | be32_to_cpu(fs_fw->fw_ver), | |
1044 | be32_to_cpu(card_fw->fw_ver))) { | |
1045 | ret = -t4_fw_upgrade(adap, adap->mbox, fw_data, | |
1046 | fw_size, 0); | |
1047 | if (ret != 0) { | |
1048 | dev_err(adap->pdev_dev, | |
1049 | "failed to install firmware: %d\n", ret); | |
1050 | goto bye; | |
1051 | } | |
1052 | ||
1053 | /* Installed successfully, update the cached header too. */ | |
1054 | memcpy(card_fw, fs_fw, sizeof(*card_fw)); | |
1055 | card_fw_usable = 1; | |
1056 | *reset = 0; /* already reset as part of load_fw */ | |
1057 | } | |
1058 | ||
1059 | if (!card_fw_usable) { | |
1060 | uint32_t d, c, k; | |
1061 | ||
1062 | d = be32_to_cpu(drv_fw->fw_ver); | |
1063 | c = be32_to_cpu(card_fw->fw_ver); | |
1064 | k = fs_fw ? be32_to_cpu(fs_fw->fw_ver) : 0; | |
1065 | ||
1066 | dev_err(adap->pdev_dev, "Cannot find a usable firmware: " | |
1067 | "chip state %d, " | |
1068 | "driver compiled with %d.%d.%d.%d, " | |
1069 | "card has %d.%d.%d.%d, filesystem has %d.%d.%d.%d\n", | |
1070 | state, | |
b2e1a3f0 HS |
1071 | FW_HDR_FW_VER_MAJOR_G(d), FW_HDR_FW_VER_MINOR_G(d), |
1072 | FW_HDR_FW_VER_MICRO_G(d), FW_HDR_FW_VER_BUILD_G(d), | |
1073 | FW_HDR_FW_VER_MAJOR_G(c), FW_HDR_FW_VER_MINOR_G(c), | |
1074 | FW_HDR_FW_VER_MICRO_G(c), FW_HDR_FW_VER_BUILD_G(c), | |
1075 | FW_HDR_FW_VER_MAJOR_G(k), FW_HDR_FW_VER_MINOR_G(k), | |
1076 | FW_HDR_FW_VER_MICRO_G(k), FW_HDR_FW_VER_BUILD_G(k)); | |
16e47624 HS |
1077 | ret = EINVAL; |
1078 | goto bye; | |
1079 | } | |
1080 | ||
1081 | /* We're using whatever's on the card and it's known to be good. */ | |
1082 | adap->params.fw_vers = be32_to_cpu(card_fw->fw_ver); | |
1083 | adap->params.tp_vers = be32_to_cpu(card_fw->tp_microcode_ver); | |
1084 | ||
1085 | bye: | |
1086 | return ret; | |
1087 | } | |
1088 | ||
56d36be4 DM |
1089 | /** |
1090 | * t4_flash_erase_sectors - erase a range of flash sectors | |
1091 | * @adapter: the adapter | |
1092 | * @start: the first sector to erase | |
1093 | * @end: the last sector to erase | |
1094 | * | |
1095 | * Erases the sectors in the given inclusive range. | |
1096 | */ | |
1097 | static int t4_flash_erase_sectors(struct adapter *adapter, int start, int end) | |
1098 | { | |
1099 | int ret = 0; | |
1100 | ||
c0d5b8cf HS |
1101 | if (end >= adapter->params.sf_nsec) |
1102 | return -EINVAL; | |
1103 | ||
56d36be4 DM |
1104 | while (start <= end) { |
1105 | if ((ret = sf1_write(adapter, 1, 0, 1, SF_WR_ENABLE)) != 0 || | |
1106 | (ret = sf1_write(adapter, 4, 0, 1, | |
1107 | SF_ERASE_SECTOR | (start << 8))) != 0 || | |
900a6596 | 1108 | (ret = flash_wait_op(adapter, 14, 500)) != 0) { |
56d36be4 DM |
1109 | dev_err(adapter->pdev_dev, |
1110 | "erase of flash sector %d failed, error %d\n", | |
1111 | start, ret); | |
1112 | break; | |
1113 | } | |
1114 | start++; | |
1115 | } | |
1116 | t4_write_reg(adapter, SF_OP, 0); /* unlock SF */ | |
1117 | return ret; | |
1118 | } | |
1119 | ||
636f9d37 VP |
1120 | /** |
1121 | * t4_flash_cfg_addr - return the address of the flash configuration file | |
1122 | * @adapter: the adapter | |
1123 | * | |
1124 | * Return the address within the flash where the Firmware Configuration | |
1125 | * File is stored. | |
1126 | */ | |
1127 | unsigned int t4_flash_cfg_addr(struct adapter *adapter) | |
1128 | { | |
1129 | if (adapter->params.sf_size == 0x100000) | |
1130 | return FLASH_FPGA_CFG_START; | |
1131 | else | |
1132 | return FLASH_CFG_START; | |
1133 | } | |
1134 | ||
56d36be4 DM |
1135 | /** |
1136 | * t4_load_fw - download firmware | |
1137 | * @adap: the adapter | |
1138 | * @fw_data: the firmware image to write | |
1139 | * @size: image size | |
1140 | * | |
1141 | * Write the supplied firmware image to the card's serial flash. | |
1142 | */ | |
1143 | int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size) | |
1144 | { | |
1145 | u32 csum; | |
1146 | int ret, addr; | |
1147 | unsigned int i; | |
1148 | u8 first_page[SF_PAGE_SIZE]; | |
404d9e3f | 1149 | const __be32 *p = (const __be32 *)fw_data; |
56d36be4 | 1150 | const struct fw_hdr *hdr = (const struct fw_hdr *)fw_data; |
900a6596 DM |
1151 | unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec; |
1152 | unsigned int fw_img_start = adap->params.sf_fw_start; | |
1153 | unsigned int fw_start_sec = fw_img_start / sf_sec_size; | |
56d36be4 DM |
1154 | |
1155 | if (!size) { | |
1156 | dev_err(adap->pdev_dev, "FW image has no data\n"); | |
1157 | return -EINVAL; | |
1158 | } | |
1159 | if (size & 511) { | |
1160 | dev_err(adap->pdev_dev, | |
1161 | "FW image size not multiple of 512 bytes\n"); | |
1162 | return -EINVAL; | |
1163 | } | |
1164 | if (ntohs(hdr->len512) * 512 != size) { | |
1165 | dev_err(adap->pdev_dev, | |
1166 | "FW image size differs from size in FW header\n"); | |
1167 | return -EINVAL; | |
1168 | } | |
1169 | if (size > FW_MAX_SIZE) { | |
1170 | dev_err(adap->pdev_dev, "FW image too large, max is %u bytes\n", | |
1171 | FW_MAX_SIZE); | |
1172 | return -EFBIG; | |
1173 | } | |
1174 | ||
1175 | for (csum = 0, i = 0; i < size / sizeof(csum); i++) | |
1176 | csum += ntohl(p[i]); | |
1177 | ||
1178 | if (csum != 0xffffffff) { | |
1179 | dev_err(adap->pdev_dev, | |
1180 | "corrupted firmware image, checksum %#x\n", csum); | |
1181 | return -EINVAL; | |
1182 | } | |
1183 | ||
900a6596 DM |
1184 | i = DIV_ROUND_UP(size, sf_sec_size); /* # of sectors spanned */ |
1185 | ret = t4_flash_erase_sectors(adap, fw_start_sec, fw_start_sec + i - 1); | |
56d36be4 DM |
1186 | if (ret) |
1187 | goto out; | |
1188 | ||
1189 | /* | |
1190 | * We write the correct version at the end so the driver can see a bad | |
1191 | * version if the FW write fails. Start by writing a copy of the | |
1192 | * first page with a bad version. | |
1193 | */ | |
1194 | memcpy(first_page, fw_data, SF_PAGE_SIZE); | |
1195 | ((struct fw_hdr *)first_page)->fw_ver = htonl(0xffffffff); | |
900a6596 | 1196 | ret = t4_write_flash(adap, fw_img_start, SF_PAGE_SIZE, first_page); |
56d36be4 DM |
1197 | if (ret) |
1198 | goto out; | |
1199 | ||
900a6596 | 1200 | addr = fw_img_start; |
56d36be4 DM |
1201 | for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) { |
1202 | addr += SF_PAGE_SIZE; | |
1203 | fw_data += SF_PAGE_SIZE; | |
1204 | ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, fw_data); | |
1205 | if (ret) | |
1206 | goto out; | |
1207 | } | |
1208 | ||
1209 | ret = t4_write_flash(adap, | |
900a6596 | 1210 | fw_img_start + offsetof(struct fw_hdr, fw_ver), |
56d36be4 DM |
1211 | sizeof(hdr->fw_ver), (const u8 *)&hdr->fw_ver); |
1212 | out: | |
1213 | if (ret) | |
1214 | dev_err(adap->pdev_dev, "firmware download failed, error %d\n", | |
1215 | ret); | |
1216 | return ret; | |
1217 | } | |
1218 | ||
1219 | #define ADVERT_MASK (FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G |\ | |
72aca4bf KS |
1220 | FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_SPEED_40G | \ |
1221 | FW_PORT_CAP_ANEG) | |
56d36be4 DM |
1222 | |
1223 | /** | |
1224 | * t4_link_start - apply link configuration to MAC/PHY | |
1225 | * @phy: the PHY to setup | |
1226 | * @mac: the MAC to setup | |
1227 | * @lc: the requested link configuration | |
1228 | * | |
1229 | * Set up a port's MAC and PHY according to a desired link configuration. | |
1230 | * - If the PHY can auto-negotiate first decide what to advertise, then | |
1231 | * enable/disable auto-negotiation as desired, and reset. | |
1232 | * - If the PHY does not auto-negotiate just reset it. | |
1233 | * - If auto-negotiation is off set the MAC to the proper speed/duplex/FC, | |
1234 | * otherwise do it later based on the outcome of auto-negotiation. | |
1235 | */ | |
1236 | int t4_link_start(struct adapter *adap, unsigned int mbox, unsigned int port, | |
1237 | struct link_config *lc) | |
1238 | { | |
1239 | struct fw_port_cmd c; | |
2b5fb1f2 | 1240 | unsigned int fc = 0, mdi = FW_PORT_CAP_MDI_V(FW_PORT_CAP_MDI_AUTO); |
56d36be4 DM |
1241 | |
1242 | lc->link_ok = 0; | |
1243 | if (lc->requested_fc & PAUSE_RX) | |
1244 | fc |= FW_PORT_CAP_FC_RX; | |
1245 | if (lc->requested_fc & PAUSE_TX) | |
1246 | fc |= FW_PORT_CAP_FC_TX; | |
1247 | ||
1248 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 1249 | c.op_to_portid = htonl(FW_CMD_OP_V(FW_PORT_CMD) | FW_CMD_REQUEST_F | |
2b5fb1f2 HS |
1250 | FW_CMD_EXEC_F | FW_PORT_CMD_PORTID_V(port)); |
1251 | c.action_to_len16 = htonl(FW_PORT_CMD_ACTION_V(FW_PORT_ACTION_L1_CFG) | | |
56d36be4 DM |
1252 | FW_LEN16(c)); |
1253 | ||
1254 | if (!(lc->supported & FW_PORT_CAP_ANEG)) { | |
1255 | c.u.l1cfg.rcap = htonl((lc->supported & ADVERT_MASK) | fc); | |
1256 | lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); | |
1257 | } else if (lc->autoneg == AUTONEG_DISABLE) { | |
1258 | c.u.l1cfg.rcap = htonl(lc->requested_speed | fc | mdi); | |
1259 | lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); | |
1260 | } else | |
1261 | c.u.l1cfg.rcap = htonl(lc->advertising | fc | mdi); | |
1262 | ||
1263 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
1264 | } | |
1265 | ||
1266 | /** | |
1267 | * t4_restart_aneg - restart autonegotiation | |
1268 | * @adap: the adapter | |
1269 | * @mbox: mbox to use for the FW command | |
1270 | * @port: the port id | |
1271 | * | |
1272 | * Restarts autonegotiation for the selected port. | |
1273 | */ | |
1274 | int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port) | |
1275 | { | |
1276 | struct fw_port_cmd c; | |
1277 | ||
1278 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 1279 | c.op_to_portid = htonl(FW_CMD_OP_V(FW_PORT_CMD) | FW_CMD_REQUEST_F | |
2b5fb1f2 HS |
1280 | FW_CMD_EXEC_F | FW_PORT_CMD_PORTID_V(port)); |
1281 | c.action_to_len16 = htonl(FW_PORT_CMD_ACTION_V(FW_PORT_ACTION_L1_CFG) | | |
56d36be4 DM |
1282 | FW_LEN16(c)); |
1283 | c.u.l1cfg.rcap = htonl(FW_PORT_CAP_ANEG); | |
1284 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
1285 | } | |
1286 | ||
8caa1e84 VP |
1287 | typedef void (*int_handler_t)(struct adapter *adap); |
1288 | ||
56d36be4 DM |
1289 | struct intr_info { |
1290 | unsigned int mask; /* bits to check in interrupt status */ | |
1291 | const char *msg; /* message to print or NULL */ | |
1292 | short stat_idx; /* stat counter to increment or -1 */ | |
1293 | unsigned short fatal; /* whether the condition reported is fatal */ | |
8caa1e84 | 1294 | int_handler_t int_handler; /* platform-specific int handler */ |
56d36be4 DM |
1295 | }; |
1296 | ||
1297 | /** | |
1298 | * t4_handle_intr_status - table driven interrupt handler | |
1299 | * @adapter: the adapter that generated the interrupt | |
1300 | * @reg: the interrupt status register to process | |
1301 | * @acts: table of interrupt actions | |
1302 | * | |
1303 | * A table driven interrupt handler that applies a set of masks to an | |
1304 | * interrupt status word and performs the corresponding actions if the | |
25985edc | 1305 | * interrupts described by the mask have occurred. The actions include |
56d36be4 DM |
1306 | * optionally emitting a warning or alert message. The table is terminated |
1307 | * by an entry specifying mask 0. Returns the number of fatal interrupt | |
1308 | * conditions. | |
1309 | */ | |
1310 | static int t4_handle_intr_status(struct adapter *adapter, unsigned int reg, | |
1311 | const struct intr_info *acts) | |
1312 | { | |
1313 | int fatal = 0; | |
1314 | unsigned int mask = 0; | |
1315 | unsigned int status = t4_read_reg(adapter, reg); | |
1316 | ||
1317 | for ( ; acts->mask; ++acts) { | |
1318 | if (!(status & acts->mask)) | |
1319 | continue; | |
1320 | if (acts->fatal) { | |
1321 | fatal++; | |
1322 | dev_alert(adapter->pdev_dev, "%s (0x%x)\n", acts->msg, | |
1323 | status & acts->mask); | |
1324 | } else if (acts->msg && printk_ratelimit()) | |
1325 | dev_warn(adapter->pdev_dev, "%s (0x%x)\n", acts->msg, | |
1326 | status & acts->mask); | |
8caa1e84 VP |
1327 | if (acts->int_handler) |
1328 | acts->int_handler(adapter); | |
56d36be4 DM |
1329 | mask |= acts->mask; |
1330 | } | |
1331 | status &= mask; | |
1332 | if (status) /* clear processed interrupts */ | |
1333 | t4_write_reg(adapter, reg, status); | |
1334 | return fatal; | |
1335 | } | |
1336 | ||
1337 | /* | |
1338 | * Interrupt handler for the PCIE module. | |
1339 | */ | |
1340 | static void pcie_intr_handler(struct adapter *adapter) | |
1341 | { | |
005b5717 | 1342 | static const struct intr_info sysbus_intr_info[] = { |
56d36be4 DM |
1343 | { RNPP, "RXNP array parity error", -1, 1 }, |
1344 | { RPCP, "RXPC array parity error", -1, 1 }, | |
1345 | { RCIP, "RXCIF array parity error", -1, 1 }, | |
1346 | { RCCP, "Rx completions control array parity error", -1, 1 }, | |
1347 | { RFTP, "RXFT array parity error", -1, 1 }, | |
1348 | { 0 } | |
1349 | }; | |
005b5717 | 1350 | static const struct intr_info pcie_port_intr_info[] = { |
56d36be4 DM |
1351 | { TPCP, "TXPC array parity error", -1, 1 }, |
1352 | { TNPP, "TXNP array parity error", -1, 1 }, | |
1353 | { TFTP, "TXFT array parity error", -1, 1 }, | |
1354 | { TCAP, "TXCA array parity error", -1, 1 }, | |
1355 | { TCIP, "TXCIF array parity error", -1, 1 }, | |
1356 | { RCAP, "RXCA array parity error", -1, 1 }, | |
1357 | { OTDD, "outbound request TLP discarded", -1, 1 }, | |
1358 | { RDPE, "Rx data parity error", -1, 1 }, | |
1359 | { TDUE, "Tx uncorrectable data error", -1, 1 }, | |
1360 | { 0 } | |
1361 | }; | |
005b5717 | 1362 | static const struct intr_info pcie_intr_info[] = { |
56d36be4 DM |
1363 | { MSIADDRLPERR, "MSI AddrL parity error", -1, 1 }, |
1364 | { MSIADDRHPERR, "MSI AddrH parity error", -1, 1 }, | |
1365 | { MSIDATAPERR, "MSI data parity error", -1, 1 }, | |
1366 | { MSIXADDRLPERR, "MSI-X AddrL parity error", -1, 1 }, | |
1367 | { MSIXADDRHPERR, "MSI-X AddrH parity error", -1, 1 }, | |
1368 | { MSIXDATAPERR, "MSI-X data parity error", -1, 1 }, | |
1369 | { MSIXDIPERR, "MSI-X DI parity error", -1, 1 }, | |
1370 | { PIOCPLPERR, "PCI PIO completion FIFO parity error", -1, 1 }, | |
1371 | { PIOREQPERR, "PCI PIO request FIFO parity error", -1, 1 }, | |
1372 | { TARTAGPERR, "PCI PCI target tag FIFO parity error", -1, 1 }, | |
1373 | { CCNTPERR, "PCI CMD channel count parity error", -1, 1 }, | |
1374 | { CREQPERR, "PCI CMD channel request parity error", -1, 1 }, | |
1375 | { CRSPPERR, "PCI CMD channel response parity error", -1, 1 }, | |
1376 | { DCNTPERR, "PCI DMA channel count parity error", -1, 1 }, | |
1377 | { DREQPERR, "PCI DMA channel request parity error", -1, 1 }, | |
1378 | { DRSPPERR, "PCI DMA channel response parity error", -1, 1 }, | |
1379 | { HCNTPERR, "PCI HMA channel count parity error", -1, 1 }, | |
1380 | { HREQPERR, "PCI HMA channel request parity error", -1, 1 }, | |
1381 | { HRSPPERR, "PCI HMA channel response parity error", -1, 1 }, | |
1382 | { CFGSNPPERR, "PCI config snoop FIFO parity error", -1, 1 }, | |
1383 | { FIDPERR, "PCI FID parity error", -1, 1 }, | |
1384 | { INTXCLRPERR, "PCI INTx clear parity error", -1, 1 }, | |
1385 | { MATAGPERR, "PCI MA tag parity error", -1, 1 }, | |
1386 | { PIOTAGPERR, "PCI PIO tag parity error", -1, 1 }, | |
1387 | { RXCPLPERR, "PCI Rx completion parity error", -1, 1 }, | |
1388 | { RXWRPERR, "PCI Rx write parity error", -1, 1 }, | |
1389 | { RPLPERR, "PCI replay buffer parity error", -1, 1 }, | |
1390 | { PCIESINT, "PCI core secondary fault", -1, 1 }, | |
1391 | { PCIEPINT, "PCI core primary fault", -1, 1 }, | |
1392 | { UNXSPLCPLERR, "PCI unexpected split completion error", -1, 0 }, | |
1393 | { 0 } | |
1394 | }; | |
1395 | ||
0a57a536 SR |
1396 | static struct intr_info t5_pcie_intr_info[] = { |
1397 | { MSTGRPPERR, "Master Response Read Queue parity error", | |
1398 | -1, 1 }, | |
1399 | { MSTTIMEOUTPERR, "Master Timeout FIFO parity error", -1, 1 }, | |
1400 | { MSIXSTIPERR, "MSI-X STI SRAM parity error", -1, 1 }, | |
1401 | { MSIXADDRLPERR, "MSI-X AddrL parity error", -1, 1 }, | |
1402 | { MSIXADDRHPERR, "MSI-X AddrH parity error", -1, 1 }, | |
1403 | { MSIXDATAPERR, "MSI-X data parity error", -1, 1 }, | |
1404 | { MSIXDIPERR, "MSI-X DI parity error", -1, 1 }, | |
1405 | { PIOCPLGRPPERR, "PCI PIO completion Group FIFO parity error", | |
1406 | -1, 1 }, | |
1407 | { PIOREQGRPPERR, "PCI PIO request Group FIFO parity error", | |
1408 | -1, 1 }, | |
1409 | { TARTAGPERR, "PCI PCI target tag FIFO parity error", -1, 1 }, | |
1410 | { MSTTAGQPERR, "PCI master tag queue parity error", -1, 1 }, | |
1411 | { CREQPERR, "PCI CMD channel request parity error", -1, 1 }, | |
1412 | { CRSPPERR, "PCI CMD channel response parity error", -1, 1 }, | |
1413 | { DREQWRPERR, "PCI DMA channel write request parity error", | |
1414 | -1, 1 }, | |
1415 | { DREQPERR, "PCI DMA channel request parity error", -1, 1 }, | |
1416 | { DRSPPERR, "PCI DMA channel response parity error", -1, 1 }, | |
1417 | { HREQWRPERR, "PCI HMA channel count parity error", -1, 1 }, | |
1418 | { HREQPERR, "PCI HMA channel request parity error", -1, 1 }, | |
1419 | { HRSPPERR, "PCI HMA channel response parity error", -1, 1 }, | |
1420 | { CFGSNPPERR, "PCI config snoop FIFO parity error", -1, 1 }, | |
1421 | { FIDPERR, "PCI FID parity error", -1, 1 }, | |
1422 | { VFIDPERR, "PCI INTx clear parity error", -1, 1 }, | |
1423 | { MAGRPPERR, "PCI MA group FIFO parity error", -1, 1 }, | |
1424 | { PIOTAGPERR, "PCI PIO tag parity error", -1, 1 }, | |
1425 | { IPRXHDRGRPPERR, "PCI IP Rx header group parity error", | |
1426 | -1, 1 }, | |
1427 | { IPRXDATAGRPPERR, "PCI IP Rx data group parity error", -1, 1 }, | |
1428 | { RPLPERR, "PCI IP replay buffer parity error", -1, 1 }, | |
1429 | { IPSOTPERR, "PCI IP SOT buffer parity error", -1, 1 }, | |
1430 | { TRGT1GRPPERR, "PCI TRGT1 group FIFOs parity error", -1, 1 }, | |
1431 | { READRSPERR, "Outbound read error", -1, 0 }, | |
1432 | { 0 } | |
1433 | }; | |
1434 | ||
56d36be4 DM |
1435 | int fat; |
1436 | ||
9bb59b96 HS |
1437 | if (is_t4(adapter->params.chip)) |
1438 | fat = t4_handle_intr_status(adapter, | |
1439 | PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS, | |
1440 | sysbus_intr_info) + | |
1441 | t4_handle_intr_status(adapter, | |
1442 | PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS, | |
1443 | pcie_port_intr_info) + | |
1444 | t4_handle_intr_status(adapter, PCIE_INT_CAUSE, | |
1445 | pcie_intr_info); | |
1446 | else | |
1447 | fat = t4_handle_intr_status(adapter, PCIE_INT_CAUSE, | |
1448 | t5_pcie_intr_info); | |
0a57a536 | 1449 | |
56d36be4 DM |
1450 | if (fat) |
1451 | t4_fatal_err(adapter); | |
1452 | } | |
1453 | ||
1454 | /* | |
1455 | * TP interrupt handler. | |
1456 | */ | |
1457 | static void tp_intr_handler(struct adapter *adapter) | |
1458 | { | |
005b5717 | 1459 | static const struct intr_info tp_intr_info[] = { |
56d36be4 DM |
1460 | { 0x3fffffff, "TP parity error", -1, 1 }, |
1461 | { FLMTXFLSTEMPTY, "TP out of Tx pages", -1, 1 }, | |
1462 | { 0 } | |
1463 | }; | |
1464 | ||
1465 | if (t4_handle_intr_status(adapter, TP_INT_CAUSE, tp_intr_info)) | |
1466 | t4_fatal_err(adapter); | |
1467 | } | |
1468 | ||
1469 | /* | |
1470 | * SGE interrupt handler. | |
1471 | */ | |
1472 | static void sge_intr_handler(struct adapter *adapter) | |
1473 | { | |
1474 | u64 v; | |
1475 | ||
005b5717 | 1476 | static const struct intr_info sge_intr_info[] = { |
56d36be4 DM |
1477 | { ERR_CPL_EXCEED_IQE_SIZE, |
1478 | "SGE received CPL exceeding IQE size", -1, 1 }, | |
1479 | { ERR_INVALID_CIDX_INC, | |
1480 | "SGE GTS CIDX increment too large", -1, 0 }, | |
1481 | { ERR_CPL_OPCODE_0, "SGE received 0-length CPL", -1, 0 }, | |
840f3000 VP |
1482 | { DBFIFO_LP_INT, NULL, -1, 0, t4_db_full }, |
1483 | { DBFIFO_HP_INT, NULL, -1, 0, t4_db_full }, | |
1484 | { ERR_DROPPED_DB, NULL, -1, 0, t4_db_dropped }, | |
56d36be4 DM |
1485 | { ERR_DATA_CPL_ON_HIGH_QID1 | ERR_DATA_CPL_ON_HIGH_QID0, |
1486 | "SGE IQID > 1023 received CPL for FL", -1, 0 }, | |
1487 | { ERR_BAD_DB_PIDX3, "SGE DBP 3 pidx increment too large", -1, | |
1488 | 0 }, | |
1489 | { ERR_BAD_DB_PIDX2, "SGE DBP 2 pidx increment too large", -1, | |
1490 | 0 }, | |
1491 | { ERR_BAD_DB_PIDX1, "SGE DBP 1 pidx increment too large", -1, | |
1492 | 0 }, | |
1493 | { ERR_BAD_DB_PIDX0, "SGE DBP 0 pidx increment too large", -1, | |
1494 | 0 }, | |
1495 | { ERR_ING_CTXT_PRIO, | |
1496 | "SGE too many priority ingress contexts", -1, 0 }, | |
1497 | { ERR_EGR_CTXT_PRIO, | |
1498 | "SGE too many priority egress contexts", -1, 0 }, | |
1499 | { INGRESS_SIZE_ERR, "SGE illegal ingress QID", -1, 0 }, | |
1500 | { EGRESS_SIZE_ERR, "SGE illegal egress QID", -1, 0 }, | |
1501 | { 0 } | |
1502 | }; | |
1503 | ||
1504 | v = (u64)t4_read_reg(adapter, SGE_INT_CAUSE1) | | |
8caa1e84 | 1505 | ((u64)t4_read_reg(adapter, SGE_INT_CAUSE2) << 32); |
56d36be4 DM |
1506 | if (v) { |
1507 | dev_alert(adapter->pdev_dev, "SGE parity error (%#llx)\n", | |
8caa1e84 | 1508 | (unsigned long long)v); |
56d36be4 DM |
1509 | t4_write_reg(adapter, SGE_INT_CAUSE1, v); |
1510 | t4_write_reg(adapter, SGE_INT_CAUSE2, v >> 32); | |
1511 | } | |
1512 | ||
1513 | if (t4_handle_intr_status(adapter, SGE_INT_CAUSE3, sge_intr_info) || | |
1514 | v != 0) | |
1515 | t4_fatal_err(adapter); | |
1516 | } | |
1517 | ||
1518 | /* | |
1519 | * CIM interrupt handler. | |
1520 | */ | |
1521 | static void cim_intr_handler(struct adapter *adapter) | |
1522 | { | |
005b5717 | 1523 | static const struct intr_info cim_intr_info[] = { |
56d36be4 DM |
1524 | { PREFDROPINT, "CIM control register prefetch drop", -1, 1 }, |
1525 | { OBQPARERR, "CIM OBQ parity error", -1, 1 }, | |
1526 | { IBQPARERR, "CIM IBQ parity error", -1, 1 }, | |
1527 | { MBUPPARERR, "CIM mailbox uP parity error", -1, 1 }, | |
1528 | { MBHOSTPARERR, "CIM mailbox host parity error", -1, 1 }, | |
1529 | { TIEQINPARERRINT, "CIM TIEQ outgoing parity error", -1, 1 }, | |
1530 | { TIEQOUTPARERRINT, "CIM TIEQ incoming parity error", -1, 1 }, | |
1531 | { 0 } | |
1532 | }; | |
005b5717 | 1533 | static const struct intr_info cim_upintr_info[] = { |
56d36be4 DM |
1534 | { RSVDSPACEINT, "CIM reserved space access", -1, 1 }, |
1535 | { ILLTRANSINT, "CIM illegal transaction", -1, 1 }, | |
1536 | { ILLWRINT, "CIM illegal write", -1, 1 }, | |
1537 | { ILLRDINT, "CIM illegal read", -1, 1 }, | |
1538 | { ILLRDBEINT, "CIM illegal read BE", -1, 1 }, | |
1539 | { ILLWRBEINT, "CIM illegal write BE", -1, 1 }, | |
1540 | { SGLRDBOOTINT, "CIM single read from boot space", -1, 1 }, | |
1541 | { SGLWRBOOTINT, "CIM single write to boot space", -1, 1 }, | |
1542 | { BLKWRBOOTINT, "CIM block write to boot space", -1, 1 }, | |
1543 | { SGLRDFLASHINT, "CIM single read from flash space", -1, 1 }, | |
1544 | { SGLWRFLASHINT, "CIM single write to flash space", -1, 1 }, | |
1545 | { BLKWRFLASHINT, "CIM block write to flash space", -1, 1 }, | |
1546 | { SGLRDEEPROMINT, "CIM single EEPROM read", -1, 1 }, | |
1547 | { SGLWREEPROMINT, "CIM single EEPROM write", -1, 1 }, | |
1548 | { BLKRDEEPROMINT, "CIM block EEPROM read", -1, 1 }, | |
1549 | { BLKWREEPROMINT, "CIM block EEPROM write", -1, 1 }, | |
1550 | { SGLRDCTLINT , "CIM single read from CTL space", -1, 1 }, | |
1551 | { SGLWRCTLINT , "CIM single write to CTL space", -1, 1 }, | |
1552 | { BLKRDCTLINT , "CIM block read from CTL space", -1, 1 }, | |
1553 | { BLKWRCTLINT , "CIM block write to CTL space", -1, 1 }, | |
1554 | { SGLRDPLINT , "CIM single read from PL space", -1, 1 }, | |
1555 | { SGLWRPLINT , "CIM single write to PL space", -1, 1 }, | |
1556 | { BLKRDPLINT , "CIM block read from PL space", -1, 1 }, | |
1557 | { BLKWRPLINT , "CIM block write to PL space", -1, 1 }, | |
1558 | { REQOVRLOOKUPINT , "CIM request FIFO overwrite", -1, 1 }, | |
1559 | { RSPOVRLOOKUPINT , "CIM response FIFO overwrite", -1, 1 }, | |
1560 | { TIMEOUTINT , "CIM PIF timeout", -1, 1 }, | |
1561 | { TIMEOUTMAINT , "CIM PIF MA timeout", -1, 1 }, | |
1562 | { 0 } | |
1563 | }; | |
1564 | ||
1565 | int fat; | |
1566 | ||
b2e1a3f0 | 1567 | if (t4_read_reg(adapter, MA_PCIE_FW) & PCIE_FW_ERR) |
31d55c2d HS |
1568 | t4_report_fw_error(adapter); |
1569 | ||
56d36be4 DM |
1570 | fat = t4_handle_intr_status(adapter, CIM_HOST_INT_CAUSE, |
1571 | cim_intr_info) + | |
1572 | t4_handle_intr_status(adapter, CIM_HOST_UPACC_INT_CAUSE, | |
1573 | cim_upintr_info); | |
1574 | if (fat) | |
1575 | t4_fatal_err(adapter); | |
1576 | } | |
1577 | ||
1578 | /* | |
1579 | * ULP RX interrupt handler. | |
1580 | */ | |
1581 | static void ulprx_intr_handler(struct adapter *adapter) | |
1582 | { | |
005b5717 | 1583 | static const struct intr_info ulprx_intr_info[] = { |
91e9a1ec | 1584 | { 0x1800000, "ULPRX context error", -1, 1 }, |
56d36be4 DM |
1585 | { 0x7fffff, "ULPRX parity error", -1, 1 }, |
1586 | { 0 } | |
1587 | }; | |
1588 | ||
1589 | if (t4_handle_intr_status(adapter, ULP_RX_INT_CAUSE, ulprx_intr_info)) | |
1590 | t4_fatal_err(adapter); | |
1591 | } | |
1592 | ||
1593 | /* | |
1594 | * ULP TX interrupt handler. | |
1595 | */ | |
1596 | static void ulptx_intr_handler(struct adapter *adapter) | |
1597 | { | |
005b5717 | 1598 | static const struct intr_info ulptx_intr_info[] = { |
56d36be4 DM |
1599 | { PBL_BOUND_ERR_CH3, "ULPTX channel 3 PBL out of bounds", -1, |
1600 | 0 }, | |
1601 | { PBL_BOUND_ERR_CH2, "ULPTX channel 2 PBL out of bounds", -1, | |
1602 | 0 }, | |
1603 | { PBL_BOUND_ERR_CH1, "ULPTX channel 1 PBL out of bounds", -1, | |
1604 | 0 }, | |
1605 | { PBL_BOUND_ERR_CH0, "ULPTX channel 0 PBL out of bounds", -1, | |
1606 | 0 }, | |
1607 | { 0xfffffff, "ULPTX parity error", -1, 1 }, | |
1608 | { 0 } | |
1609 | }; | |
1610 | ||
1611 | if (t4_handle_intr_status(adapter, ULP_TX_INT_CAUSE, ulptx_intr_info)) | |
1612 | t4_fatal_err(adapter); | |
1613 | } | |
1614 | ||
1615 | /* | |
1616 | * PM TX interrupt handler. | |
1617 | */ | |
1618 | static void pmtx_intr_handler(struct adapter *adapter) | |
1619 | { | |
005b5717 | 1620 | static const struct intr_info pmtx_intr_info[] = { |
56d36be4 DM |
1621 | { PCMD_LEN_OVFL0, "PMTX channel 0 pcmd too large", -1, 1 }, |
1622 | { PCMD_LEN_OVFL1, "PMTX channel 1 pcmd too large", -1, 1 }, | |
1623 | { PCMD_LEN_OVFL2, "PMTX channel 2 pcmd too large", -1, 1 }, | |
1624 | { ZERO_C_CMD_ERROR, "PMTX 0-length pcmd", -1, 1 }, | |
1625 | { PMTX_FRAMING_ERROR, "PMTX framing error", -1, 1 }, | |
1626 | { OESPI_PAR_ERROR, "PMTX oespi parity error", -1, 1 }, | |
1627 | { DB_OPTIONS_PAR_ERROR, "PMTX db_options parity error", -1, 1 }, | |
1628 | { ICSPI_PAR_ERROR, "PMTX icspi parity error", -1, 1 }, | |
1629 | { C_PCMD_PAR_ERROR, "PMTX c_pcmd parity error", -1, 1}, | |
1630 | { 0 } | |
1631 | }; | |
1632 | ||
1633 | if (t4_handle_intr_status(adapter, PM_TX_INT_CAUSE, pmtx_intr_info)) | |
1634 | t4_fatal_err(adapter); | |
1635 | } | |
1636 | ||
1637 | /* | |
1638 | * PM RX interrupt handler. | |
1639 | */ | |
1640 | static void pmrx_intr_handler(struct adapter *adapter) | |
1641 | { | |
005b5717 | 1642 | static const struct intr_info pmrx_intr_info[] = { |
56d36be4 DM |
1643 | { ZERO_E_CMD_ERROR, "PMRX 0-length pcmd", -1, 1 }, |
1644 | { PMRX_FRAMING_ERROR, "PMRX framing error", -1, 1 }, | |
1645 | { OCSPI_PAR_ERROR, "PMRX ocspi parity error", -1, 1 }, | |
1646 | { DB_OPTIONS_PAR_ERROR, "PMRX db_options parity error", -1, 1 }, | |
1647 | { IESPI_PAR_ERROR, "PMRX iespi parity error", -1, 1 }, | |
1648 | { E_PCMD_PAR_ERROR, "PMRX e_pcmd parity error", -1, 1}, | |
1649 | { 0 } | |
1650 | }; | |
1651 | ||
1652 | if (t4_handle_intr_status(adapter, PM_RX_INT_CAUSE, pmrx_intr_info)) | |
1653 | t4_fatal_err(adapter); | |
1654 | } | |
1655 | ||
1656 | /* | |
1657 | * CPL switch interrupt handler. | |
1658 | */ | |
1659 | static void cplsw_intr_handler(struct adapter *adapter) | |
1660 | { | |
005b5717 | 1661 | static const struct intr_info cplsw_intr_info[] = { |
56d36be4 DM |
1662 | { CIM_OP_MAP_PERR, "CPLSW CIM op_map parity error", -1, 1 }, |
1663 | { CIM_OVFL_ERROR, "CPLSW CIM overflow", -1, 1 }, | |
1664 | { TP_FRAMING_ERROR, "CPLSW TP framing error", -1, 1 }, | |
1665 | { SGE_FRAMING_ERROR, "CPLSW SGE framing error", -1, 1 }, | |
1666 | { CIM_FRAMING_ERROR, "CPLSW CIM framing error", -1, 1 }, | |
1667 | { ZERO_SWITCH_ERROR, "CPLSW no-switch error", -1, 1 }, | |
1668 | { 0 } | |
1669 | }; | |
1670 | ||
1671 | if (t4_handle_intr_status(adapter, CPL_INTR_CAUSE, cplsw_intr_info)) | |
1672 | t4_fatal_err(adapter); | |
1673 | } | |
1674 | ||
1675 | /* | |
1676 | * LE interrupt handler. | |
1677 | */ | |
1678 | static void le_intr_handler(struct adapter *adap) | |
1679 | { | |
005b5717 | 1680 | static const struct intr_info le_intr_info[] = { |
56d36be4 DM |
1681 | { LIPMISS, "LE LIP miss", -1, 0 }, |
1682 | { LIP0, "LE 0 LIP error", -1, 0 }, | |
1683 | { PARITYERR, "LE parity error", -1, 1 }, | |
1684 | { UNKNOWNCMD, "LE unknown command", -1, 1 }, | |
1685 | { REQQPARERR, "LE request queue parity error", -1, 1 }, | |
1686 | { 0 } | |
1687 | }; | |
1688 | ||
1689 | if (t4_handle_intr_status(adap, LE_DB_INT_CAUSE, le_intr_info)) | |
1690 | t4_fatal_err(adap); | |
1691 | } | |
1692 | ||
1693 | /* | |
1694 | * MPS interrupt handler. | |
1695 | */ | |
1696 | static void mps_intr_handler(struct adapter *adapter) | |
1697 | { | |
005b5717 | 1698 | static const struct intr_info mps_rx_intr_info[] = { |
56d36be4 DM |
1699 | { 0xffffff, "MPS Rx parity error", -1, 1 }, |
1700 | { 0 } | |
1701 | }; | |
005b5717 | 1702 | static const struct intr_info mps_tx_intr_info[] = { |
56d36be4 DM |
1703 | { TPFIFO, "MPS Tx TP FIFO parity error", -1, 1 }, |
1704 | { NCSIFIFO, "MPS Tx NC-SI FIFO parity error", -1, 1 }, | |
1705 | { TXDATAFIFO, "MPS Tx data FIFO parity error", -1, 1 }, | |
1706 | { TXDESCFIFO, "MPS Tx desc FIFO parity error", -1, 1 }, | |
1707 | { BUBBLE, "MPS Tx underflow", -1, 1 }, | |
1708 | { SECNTERR, "MPS Tx SOP/EOP error", -1, 1 }, | |
1709 | { FRMERR, "MPS Tx framing error", -1, 1 }, | |
1710 | { 0 } | |
1711 | }; | |
005b5717 | 1712 | static const struct intr_info mps_trc_intr_info[] = { |
56d36be4 DM |
1713 | { FILTMEM, "MPS TRC filter parity error", -1, 1 }, |
1714 | { PKTFIFO, "MPS TRC packet FIFO parity error", -1, 1 }, | |
1715 | { MISCPERR, "MPS TRC misc parity error", -1, 1 }, | |
1716 | { 0 } | |
1717 | }; | |
005b5717 | 1718 | static const struct intr_info mps_stat_sram_intr_info[] = { |
56d36be4 DM |
1719 | { 0x1fffff, "MPS statistics SRAM parity error", -1, 1 }, |
1720 | { 0 } | |
1721 | }; | |
005b5717 | 1722 | static const struct intr_info mps_stat_tx_intr_info[] = { |
56d36be4 DM |
1723 | { 0xfffff, "MPS statistics Tx FIFO parity error", -1, 1 }, |
1724 | { 0 } | |
1725 | }; | |
005b5717 | 1726 | static const struct intr_info mps_stat_rx_intr_info[] = { |
56d36be4 DM |
1727 | { 0xffffff, "MPS statistics Rx FIFO parity error", -1, 1 }, |
1728 | { 0 } | |
1729 | }; | |
005b5717 | 1730 | static const struct intr_info mps_cls_intr_info[] = { |
56d36be4 DM |
1731 | { MATCHSRAM, "MPS match SRAM parity error", -1, 1 }, |
1732 | { MATCHTCAM, "MPS match TCAM parity error", -1, 1 }, | |
1733 | { HASHSRAM, "MPS hash SRAM parity error", -1, 1 }, | |
1734 | { 0 } | |
1735 | }; | |
1736 | ||
1737 | int fat; | |
1738 | ||
1739 | fat = t4_handle_intr_status(adapter, MPS_RX_PERR_INT_CAUSE, | |
1740 | mps_rx_intr_info) + | |
1741 | t4_handle_intr_status(adapter, MPS_TX_INT_CAUSE, | |
1742 | mps_tx_intr_info) + | |
1743 | t4_handle_intr_status(adapter, MPS_TRC_INT_CAUSE, | |
1744 | mps_trc_intr_info) + | |
1745 | t4_handle_intr_status(adapter, MPS_STAT_PERR_INT_CAUSE_SRAM, | |
1746 | mps_stat_sram_intr_info) + | |
1747 | t4_handle_intr_status(adapter, MPS_STAT_PERR_INT_CAUSE_TX_FIFO, | |
1748 | mps_stat_tx_intr_info) + | |
1749 | t4_handle_intr_status(adapter, MPS_STAT_PERR_INT_CAUSE_RX_FIFO, | |
1750 | mps_stat_rx_intr_info) + | |
1751 | t4_handle_intr_status(adapter, MPS_CLS_INT_CAUSE, | |
1752 | mps_cls_intr_info); | |
1753 | ||
1754 | t4_write_reg(adapter, MPS_INT_CAUSE, CLSINT | TRCINT | | |
1755 | RXINT | TXINT | STATINT); | |
1756 | t4_read_reg(adapter, MPS_INT_CAUSE); /* flush */ | |
1757 | if (fat) | |
1758 | t4_fatal_err(adapter); | |
1759 | } | |
1760 | ||
1761 | #define MEM_INT_MASK (PERR_INT_CAUSE | ECC_CE_INT_CAUSE | ECC_UE_INT_CAUSE) | |
1762 | ||
1763 | /* | |
1764 | * EDC/MC interrupt handler. | |
1765 | */ | |
1766 | static void mem_intr_handler(struct adapter *adapter, int idx) | |
1767 | { | |
822dd8a8 | 1768 | static const char name[4][7] = { "EDC0", "EDC1", "MC/MC0", "MC1" }; |
56d36be4 DM |
1769 | |
1770 | unsigned int addr, cnt_addr, v; | |
1771 | ||
1772 | if (idx <= MEM_EDC1) { | |
1773 | addr = EDC_REG(EDC_INT_CAUSE, idx); | |
1774 | cnt_addr = EDC_REG(EDC_ECC_STATUS, idx); | |
822dd8a8 HS |
1775 | } else if (idx == MEM_MC) { |
1776 | if (is_t4(adapter->params.chip)) { | |
1777 | addr = MC_INT_CAUSE; | |
1778 | cnt_addr = MC_ECC_STATUS; | |
1779 | } else { | |
1780 | addr = MC_P_INT_CAUSE; | |
1781 | cnt_addr = MC_P_ECC_STATUS; | |
1782 | } | |
56d36be4 | 1783 | } else { |
822dd8a8 HS |
1784 | addr = MC_REG(MC_P_INT_CAUSE, 1); |
1785 | cnt_addr = MC_REG(MC_P_ECC_STATUS, 1); | |
56d36be4 DM |
1786 | } |
1787 | ||
1788 | v = t4_read_reg(adapter, addr) & MEM_INT_MASK; | |
1789 | if (v & PERR_INT_CAUSE) | |
1790 | dev_alert(adapter->pdev_dev, "%s FIFO parity error\n", | |
1791 | name[idx]); | |
1792 | if (v & ECC_CE_INT_CAUSE) { | |
1793 | u32 cnt = ECC_CECNT_GET(t4_read_reg(adapter, cnt_addr)); | |
1794 | ||
1795 | t4_write_reg(adapter, cnt_addr, ECC_CECNT_MASK); | |
1796 | if (printk_ratelimit()) | |
1797 | dev_warn(adapter->pdev_dev, | |
1798 | "%u %s correctable ECC data error%s\n", | |
1799 | cnt, name[idx], cnt > 1 ? "s" : ""); | |
1800 | } | |
1801 | if (v & ECC_UE_INT_CAUSE) | |
1802 | dev_alert(adapter->pdev_dev, | |
1803 | "%s uncorrectable ECC data error\n", name[idx]); | |
1804 | ||
1805 | t4_write_reg(adapter, addr, v); | |
1806 | if (v & (PERR_INT_CAUSE | ECC_UE_INT_CAUSE)) | |
1807 | t4_fatal_err(adapter); | |
1808 | } | |
1809 | ||
1810 | /* | |
1811 | * MA interrupt handler. | |
1812 | */ | |
1813 | static void ma_intr_handler(struct adapter *adap) | |
1814 | { | |
1815 | u32 v, status = t4_read_reg(adap, MA_INT_CAUSE); | |
1816 | ||
9bb59b96 | 1817 | if (status & MEM_PERR_INT_CAUSE) { |
56d36be4 DM |
1818 | dev_alert(adap->pdev_dev, |
1819 | "MA parity error, parity status %#x\n", | |
1820 | t4_read_reg(adap, MA_PARITY_ERROR_STATUS)); | |
9bb59b96 HS |
1821 | if (is_t5(adap->params.chip)) |
1822 | dev_alert(adap->pdev_dev, | |
1823 | "MA parity error, parity status %#x\n", | |
1824 | t4_read_reg(adap, | |
1825 | MA_PARITY_ERROR_STATUS2)); | |
1826 | } | |
56d36be4 DM |
1827 | if (status & MEM_WRAP_INT_CAUSE) { |
1828 | v = t4_read_reg(adap, MA_INT_WRAP_STATUS); | |
1829 | dev_alert(adap->pdev_dev, "MA address wrap-around error by " | |
1830 | "client %u to address %#x\n", | |
1831 | MEM_WRAP_CLIENT_NUM_GET(v), | |
1832 | MEM_WRAP_ADDRESS_GET(v) << 4); | |
1833 | } | |
1834 | t4_write_reg(adap, MA_INT_CAUSE, status); | |
1835 | t4_fatal_err(adap); | |
1836 | } | |
1837 | ||
1838 | /* | |
1839 | * SMB interrupt handler. | |
1840 | */ | |
1841 | static void smb_intr_handler(struct adapter *adap) | |
1842 | { | |
005b5717 | 1843 | static const struct intr_info smb_intr_info[] = { |
56d36be4 DM |
1844 | { MSTTXFIFOPARINT, "SMB master Tx FIFO parity error", -1, 1 }, |
1845 | { MSTRXFIFOPARINT, "SMB master Rx FIFO parity error", -1, 1 }, | |
1846 | { SLVFIFOPARINT, "SMB slave FIFO parity error", -1, 1 }, | |
1847 | { 0 } | |
1848 | }; | |
1849 | ||
1850 | if (t4_handle_intr_status(adap, SMB_INT_CAUSE, smb_intr_info)) | |
1851 | t4_fatal_err(adap); | |
1852 | } | |
1853 | ||
1854 | /* | |
1855 | * NC-SI interrupt handler. | |
1856 | */ | |
1857 | static void ncsi_intr_handler(struct adapter *adap) | |
1858 | { | |
005b5717 | 1859 | static const struct intr_info ncsi_intr_info[] = { |
56d36be4 DM |
1860 | { CIM_DM_PRTY_ERR, "NC-SI CIM parity error", -1, 1 }, |
1861 | { MPS_DM_PRTY_ERR, "NC-SI MPS parity error", -1, 1 }, | |
1862 | { TXFIFO_PRTY_ERR, "NC-SI Tx FIFO parity error", -1, 1 }, | |
1863 | { RXFIFO_PRTY_ERR, "NC-SI Rx FIFO parity error", -1, 1 }, | |
1864 | { 0 } | |
1865 | }; | |
1866 | ||
1867 | if (t4_handle_intr_status(adap, NCSI_INT_CAUSE, ncsi_intr_info)) | |
1868 | t4_fatal_err(adap); | |
1869 | } | |
1870 | ||
1871 | /* | |
1872 | * XGMAC interrupt handler. | |
1873 | */ | |
1874 | static void xgmac_intr_handler(struct adapter *adap, int port) | |
1875 | { | |
0a57a536 SR |
1876 | u32 v, int_cause_reg; |
1877 | ||
d14807dd | 1878 | if (is_t4(adap->params.chip)) |
0a57a536 SR |
1879 | int_cause_reg = PORT_REG(port, XGMAC_PORT_INT_CAUSE); |
1880 | else | |
1881 | int_cause_reg = T5_PORT_REG(port, MAC_PORT_INT_CAUSE); | |
1882 | ||
1883 | v = t4_read_reg(adap, int_cause_reg); | |
56d36be4 DM |
1884 | |
1885 | v &= TXFIFO_PRTY_ERR | RXFIFO_PRTY_ERR; | |
1886 | if (!v) | |
1887 | return; | |
1888 | ||
1889 | if (v & TXFIFO_PRTY_ERR) | |
1890 | dev_alert(adap->pdev_dev, "XGMAC %d Tx FIFO parity error\n", | |
1891 | port); | |
1892 | if (v & RXFIFO_PRTY_ERR) | |
1893 | dev_alert(adap->pdev_dev, "XGMAC %d Rx FIFO parity error\n", | |
1894 | port); | |
1895 | t4_write_reg(adap, PORT_REG(port, XGMAC_PORT_INT_CAUSE), v); | |
1896 | t4_fatal_err(adap); | |
1897 | } | |
1898 | ||
1899 | /* | |
1900 | * PL interrupt handler. | |
1901 | */ | |
1902 | static void pl_intr_handler(struct adapter *adap) | |
1903 | { | |
005b5717 | 1904 | static const struct intr_info pl_intr_info[] = { |
56d36be4 DM |
1905 | { FATALPERR, "T4 fatal parity error", -1, 1 }, |
1906 | { PERRVFID, "PL VFID_MAP parity error", -1, 1 }, | |
1907 | { 0 } | |
1908 | }; | |
1909 | ||
1910 | if (t4_handle_intr_status(adap, PL_PL_INT_CAUSE, pl_intr_info)) | |
1911 | t4_fatal_err(adap); | |
1912 | } | |
1913 | ||
63bcceec | 1914 | #define PF_INTR_MASK (PFSW) |
56d36be4 DM |
1915 | #define GLBL_INTR_MASK (CIM | MPS | PL | PCIE | MC | EDC0 | \ |
1916 | EDC1 | LE | TP | MA | PM_TX | PM_RX | ULP_RX | \ | |
1917 | CPL_SWITCH | SGE | ULP_TX) | |
1918 | ||
1919 | /** | |
1920 | * t4_slow_intr_handler - control path interrupt handler | |
1921 | * @adapter: the adapter | |
1922 | * | |
1923 | * T4 interrupt handler for non-data global interrupt events, e.g., errors. | |
1924 | * The designation 'slow' is because it involves register reads, while | |
1925 | * data interrupts typically don't involve any MMIOs. | |
1926 | */ | |
1927 | int t4_slow_intr_handler(struct adapter *adapter) | |
1928 | { | |
1929 | u32 cause = t4_read_reg(adapter, PL_INT_CAUSE); | |
1930 | ||
1931 | if (!(cause & GLBL_INTR_MASK)) | |
1932 | return 0; | |
1933 | if (cause & CIM) | |
1934 | cim_intr_handler(adapter); | |
1935 | if (cause & MPS) | |
1936 | mps_intr_handler(adapter); | |
1937 | if (cause & NCSI) | |
1938 | ncsi_intr_handler(adapter); | |
1939 | if (cause & PL) | |
1940 | pl_intr_handler(adapter); | |
1941 | if (cause & SMB) | |
1942 | smb_intr_handler(adapter); | |
1943 | if (cause & XGMAC0) | |
1944 | xgmac_intr_handler(adapter, 0); | |
1945 | if (cause & XGMAC1) | |
1946 | xgmac_intr_handler(adapter, 1); | |
1947 | if (cause & XGMAC_KR0) | |
1948 | xgmac_intr_handler(adapter, 2); | |
1949 | if (cause & XGMAC_KR1) | |
1950 | xgmac_intr_handler(adapter, 3); | |
1951 | if (cause & PCIE) | |
1952 | pcie_intr_handler(adapter); | |
1953 | if (cause & MC) | |
1954 | mem_intr_handler(adapter, MEM_MC); | |
822dd8a8 HS |
1955 | if (!is_t4(adapter->params.chip) && (cause & MC1)) |
1956 | mem_intr_handler(adapter, MEM_MC1); | |
56d36be4 DM |
1957 | if (cause & EDC0) |
1958 | mem_intr_handler(adapter, MEM_EDC0); | |
1959 | if (cause & EDC1) | |
1960 | mem_intr_handler(adapter, MEM_EDC1); | |
1961 | if (cause & LE) | |
1962 | le_intr_handler(adapter); | |
1963 | if (cause & TP) | |
1964 | tp_intr_handler(adapter); | |
1965 | if (cause & MA) | |
1966 | ma_intr_handler(adapter); | |
1967 | if (cause & PM_TX) | |
1968 | pmtx_intr_handler(adapter); | |
1969 | if (cause & PM_RX) | |
1970 | pmrx_intr_handler(adapter); | |
1971 | if (cause & ULP_RX) | |
1972 | ulprx_intr_handler(adapter); | |
1973 | if (cause & CPL_SWITCH) | |
1974 | cplsw_intr_handler(adapter); | |
1975 | if (cause & SGE) | |
1976 | sge_intr_handler(adapter); | |
1977 | if (cause & ULP_TX) | |
1978 | ulptx_intr_handler(adapter); | |
1979 | ||
1980 | /* Clear the interrupts just processed for which we are the master. */ | |
1981 | t4_write_reg(adapter, PL_INT_CAUSE, cause & GLBL_INTR_MASK); | |
1982 | (void) t4_read_reg(adapter, PL_INT_CAUSE); /* flush */ | |
1983 | return 1; | |
1984 | } | |
1985 | ||
1986 | /** | |
1987 | * t4_intr_enable - enable interrupts | |
1988 | * @adapter: the adapter whose interrupts should be enabled | |
1989 | * | |
1990 | * Enable PF-specific interrupts for the calling function and the top-level | |
1991 | * interrupt concentrator for global interrupts. Interrupts are already | |
1992 | * enabled at each module, here we just enable the roots of the interrupt | |
1993 | * hierarchies. | |
1994 | * | |
1995 | * Note: this function should be called only when the driver manages | |
1996 | * non PF-specific interrupts from the various HW modules. Only one PCI | |
1997 | * function at a time should be doing this. | |
1998 | */ | |
1999 | void t4_intr_enable(struct adapter *adapter) | |
2000 | { | |
2001 | u32 pf = SOURCEPF_GET(t4_read_reg(adapter, PL_WHOAMI)); | |
2002 | ||
2003 | t4_write_reg(adapter, SGE_INT_ENABLE3, ERR_CPL_EXCEED_IQE_SIZE | | |
2004 | ERR_INVALID_CIDX_INC | ERR_CPL_OPCODE_0 | | |
2005 | ERR_DROPPED_DB | ERR_DATA_CPL_ON_HIGH_QID1 | | |
2006 | ERR_DATA_CPL_ON_HIGH_QID0 | ERR_BAD_DB_PIDX3 | | |
2007 | ERR_BAD_DB_PIDX2 | ERR_BAD_DB_PIDX1 | | |
2008 | ERR_BAD_DB_PIDX0 | ERR_ING_CTXT_PRIO | | |
2009 | ERR_EGR_CTXT_PRIO | INGRESS_SIZE_ERR | | |
840f3000 | 2010 | DBFIFO_HP_INT | DBFIFO_LP_INT | |
56d36be4 DM |
2011 | EGRESS_SIZE_ERR); |
2012 | t4_write_reg(adapter, MYPF_REG(PL_PF_INT_ENABLE), PF_INTR_MASK); | |
2013 | t4_set_reg_field(adapter, PL_INT_MAP0, 0, 1 << pf); | |
2014 | } | |
2015 | ||
2016 | /** | |
2017 | * t4_intr_disable - disable interrupts | |
2018 | * @adapter: the adapter whose interrupts should be disabled | |
2019 | * | |
2020 | * Disable interrupts. We only disable the top-level interrupt | |
2021 | * concentrators. The caller must be a PCI function managing global | |
2022 | * interrupts. | |
2023 | */ | |
2024 | void t4_intr_disable(struct adapter *adapter) | |
2025 | { | |
2026 | u32 pf = SOURCEPF_GET(t4_read_reg(adapter, PL_WHOAMI)); | |
2027 | ||
2028 | t4_write_reg(adapter, MYPF_REG(PL_PF_INT_ENABLE), 0); | |
2029 | t4_set_reg_field(adapter, PL_INT_MAP0, 1 << pf, 0); | |
2030 | } | |
2031 | ||
56d36be4 DM |
2032 | /** |
2033 | * hash_mac_addr - return the hash value of a MAC address | |
2034 | * @addr: the 48-bit Ethernet MAC address | |
2035 | * | |
2036 | * Hashes a MAC address according to the hash function used by HW inexact | |
2037 | * (hash) address matching. | |
2038 | */ | |
2039 | static int hash_mac_addr(const u8 *addr) | |
2040 | { | |
2041 | u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2]; | |
2042 | u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5]; | |
2043 | a ^= b; | |
2044 | a ^= (a >> 12); | |
2045 | a ^= (a >> 6); | |
2046 | return a & 0x3f; | |
2047 | } | |
2048 | ||
2049 | /** | |
2050 | * t4_config_rss_range - configure a portion of the RSS mapping table | |
2051 | * @adapter: the adapter | |
2052 | * @mbox: mbox to use for the FW command | |
2053 | * @viid: virtual interface whose RSS subtable is to be written | |
2054 | * @start: start entry in the table to write | |
2055 | * @n: how many table entries to write | |
2056 | * @rspq: values for the response queue lookup table | |
2057 | * @nrspq: number of values in @rspq | |
2058 | * | |
2059 | * Programs the selected part of the VI's RSS mapping table with the | |
2060 | * provided values. If @nrspq < @n the supplied values are used repeatedly | |
2061 | * until the full table range is populated. | |
2062 | * | |
2063 | * The caller must ensure the values in @rspq are in the range allowed for | |
2064 | * @viid. | |
2065 | */ | |
2066 | int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid, | |
2067 | int start, int n, const u16 *rspq, unsigned int nrspq) | |
2068 | { | |
2069 | int ret; | |
2070 | const u16 *rsp = rspq; | |
2071 | const u16 *rsp_end = rspq + nrspq; | |
2072 | struct fw_rss_ind_tbl_cmd cmd; | |
2073 | ||
2074 | memset(&cmd, 0, sizeof(cmd)); | |
e2ac9628 HS |
2075 | cmd.op_to_viid = htonl(FW_CMD_OP_V(FW_RSS_IND_TBL_CMD) | |
2076 | FW_CMD_REQUEST_F | FW_CMD_WRITE_F | | |
b2e1a3f0 | 2077 | FW_RSS_IND_TBL_CMD_VIID_V(viid)); |
56d36be4 DM |
2078 | cmd.retval_len16 = htonl(FW_LEN16(cmd)); |
2079 | ||
2080 | /* each fw_rss_ind_tbl_cmd takes up to 32 entries */ | |
2081 | while (n > 0) { | |
2082 | int nq = min(n, 32); | |
2083 | __be32 *qp = &cmd.iq0_to_iq2; | |
2084 | ||
2085 | cmd.niqid = htons(nq); | |
2086 | cmd.startidx = htons(start); | |
2087 | ||
2088 | start += nq; | |
2089 | n -= nq; | |
2090 | ||
2091 | while (nq > 0) { | |
2092 | unsigned int v; | |
2093 | ||
b2e1a3f0 | 2094 | v = FW_RSS_IND_TBL_CMD_IQ0_V(*rsp); |
56d36be4 DM |
2095 | if (++rsp >= rsp_end) |
2096 | rsp = rspq; | |
b2e1a3f0 | 2097 | v |= FW_RSS_IND_TBL_CMD_IQ1_V(*rsp); |
56d36be4 DM |
2098 | if (++rsp >= rsp_end) |
2099 | rsp = rspq; | |
b2e1a3f0 | 2100 | v |= FW_RSS_IND_TBL_CMD_IQ2_V(*rsp); |
56d36be4 DM |
2101 | if (++rsp >= rsp_end) |
2102 | rsp = rspq; | |
2103 | ||
2104 | *qp++ = htonl(v); | |
2105 | nq -= 3; | |
2106 | } | |
2107 | ||
2108 | ret = t4_wr_mbox(adapter, mbox, &cmd, sizeof(cmd), NULL); | |
2109 | if (ret) | |
2110 | return ret; | |
2111 | } | |
2112 | return 0; | |
2113 | } | |
2114 | ||
2115 | /** | |
2116 | * t4_config_glbl_rss - configure the global RSS mode | |
2117 | * @adapter: the adapter | |
2118 | * @mbox: mbox to use for the FW command | |
2119 | * @mode: global RSS mode | |
2120 | * @flags: mode-specific flags | |
2121 | * | |
2122 | * Sets the global RSS mode. | |
2123 | */ | |
2124 | int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode, | |
2125 | unsigned int flags) | |
2126 | { | |
2127 | struct fw_rss_glb_config_cmd c; | |
2128 | ||
2129 | memset(&c, 0, sizeof(c)); | |
e2ac9628 HS |
2130 | c.op_to_write = htonl(FW_CMD_OP_V(FW_RSS_GLB_CONFIG_CMD) | |
2131 | FW_CMD_REQUEST_F | FW_CMD_WRITE_F); | |
56d36be4 DM |
2132 | c.retval_len16 = htonl(FW_LEN16(c)); |
2133 | if (mode == FW_RSS_GLB_CONFIG_CMD_MODE_MANUAL) { | |
b2e1a3f0 | 2134 | c.u.manual.mode_pkd = htonl(FW_RSS_GLB_CONFIG_CMD_MODE_V(mode)); |
56d36be4 DM |
2135 | } else if (mode == FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL) { |
2136 | c.u.basicvirtual.mode_pkd = | |
b2e1a3f0 | 2137 | htonl(FW_RSS_GLB_CONFIG_CMD_MODE_V(mode)); |
56d36be4 DM |
2138 | c.u.basicvirtual.synmapen_to_hashtoeplitz = htonl(flags); |
2139 | } else | |
2140 | return -EINVAL; | |
2141 | return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL); | |
2142 | } | |
2143 | ||
56d36be4 DM |
2144 | /** |
2145 | * t4_tp_get_tcp_stats - read TP's TCP MIB counters | |
2146 | * @adap: the adapter | |
2147 | * @v4: holds the TCP/IP counter values | |
2148 | * @v6: holds the TCP/IPv6 counter values | |
2149 | * | |
2150 | * Returns the values of TP's TCP/IP and TCP/IPv6 MIB counters. | |
2151 | * Either @v4 or @v6 may be %NULL to skip the corresponding stats. | |
2152 | */ | |
2153 | void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4, | |
2154 | struct tp_tcp_stats *v6) | |
2155 | { | |
2156 | u32 val[TP_MIB_TCP_RXT_SEG_LO - TP_MIB_TCP_OUT_RST + 1]; | |
2157 | ||
2158 | #define STAT_IDX(x) ((TP_MIB_TCP_##x) - TP_MIB_TCP_OUT_RST) | |
2159 | #define STAT(x) val[STAT_IDX(x)] | |
2160 | #define STAT64(x) (((u64)STAT(x##_HI) << 32) | STAT(x##_LO)) | |
2161 | ||
2162 | if (v4) { | |
2163 | t4_read_indirect(adap, TP_MIB_INDEX, TP_MIB_DATA, val, | |
2164 | ARRAY_SIZE(val), TP_MIB_TCP_OUT_RST); | |
2165 | v4->tcpOutRsts = STAT(OUT_RST); | |
2166 | v4->tcpInSegs = STAT64(IN_SEG); | |
2167 | v4->tcpOutSegs = STAT64(OUT_SEG); | |
2168 | v4->tcpRetransSegs = STAT64(RXT_SEG); | |
2169 | } | |
2170 | if (v6) { | |
2171 | t4_read_indirect(adap, TP_MIB_INDEX, TP_MIB_DATA, val, | |
2172 | ARRAY_SIZE(val), TP_MIB_TCP_V6OUT_RST); | |
2173 | v6->tcpOutRsts = STAT(OUT_RST); | |
2174 | v6->tcpInSegs = STAT64(IN_SEG); | |
2175 | v6->tcpOutSegs = STAT64(OUT_SEG); | |
2176 | v6->tcpRetransSegs = STAT64(RXT_SEG); | |
2177 | } | |
2178 | #undef STAT64 | |
2179 | #undef STAT | |
2180 | #undef STAT_IDX | |
2181 | } | |
2182 | ||
56d36be4 DM |
2183 | /** |
2184 | * t4_read_mtu_tbl - returns the values in the HW path MTU table | |
2185 | * @adap: the adapter | |
2186 | * @mtus: where to store the MTU values | |
2187 | * @mtu_log: where to store the MTU base-2 log (may be %NULL) | |
2188 | * | |
2189 | * Reads the HW path MTU table. | |
2190 | */ | |
2191 | void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log) | |
2192 | { | |
2193 | u32 v; | |
2194 | int i; | |
2195 | ||
2196 | for (i = 0; i < NMTUS; ++i) { | |
2197 | t4_write_reg(adap, TP_MTU_TABLE, | |
2198 | MTUINDEX(0xff) | MTUVALUE(i)); | |
2199 | v = t4_read_reg(adap, TP_MTU_TABLE); | |
2200 | mtus[i] = MTUVALUE_GET(v); | |
2201 | if (mtu_log) | |
2202 | mtu_log[i] = MTUWIDTH_GET(v); | |
2203 | } | |
2204 | } | |
2205 | ||
636f9d37 VP |
2206 | /** |
2207 | * t4_tp_wr_bits_indirect - set/clear bits in an indirect TP register | |
2208 | * @adap: the adapter | |
2209 | * @addr: the indirect TP register address | |
2210 | * @mask: specifies the field within the register to modify | |
2211 | * @val: new value for the field | |
2212 | * | |
2213 | * Sets a field of an indirect TP register to the given value. | |
2214 | */ | |
2215 | void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr, | |
2216 | unsigned int mask, unsigned int val) | |
2217 | { | |
2218 | t4_write_reg(adap, TP_PIO_ADDR, addr); | |
2219 | val |= t4_read_reg(adap, TP_PIO_DATA) & ~mask; | |
2220 | t4_write_reg(adap, TP_PIO_DATA, val); | |
2221 | } | |
2222 | ||
56d36be4 DM |
2223 | /** |
2224 | * init_cong_ctrl - initialize congestion control parameters | |
2225 | * @a: the alpha values for congestion control | |
2226 | * @b: the beta values for congestion control | |
2227 | * | |
2228 | * Initialize the congestion control parameters. | |
2229 | */ | |
91744948 | 2230 | static void init_cong_ctrl(unsigned short *a, unsigned short *b) |
56d36be4 DM |
2231 | { |
2232 | a[0] = a[1] = a[2] = a[3] = a[4] = a[5] = a[6] = a[7] = a[8] = 1; | |
2233 | a[9] = 2; | |
2234 | a[10] = 3; | |
2235 | a[11] = 4; | |
2236 | a[12] = 5; | |
2237 | a[13] = 6; | |
2238 | a[14] = 7; | |
2239 | a[15] = 8; | |
2240 | a[16] = 9; | |
2241 | a[17] = 10; | |
2242 | a[18] = 14; | |
2243 | a[19] = 17; | |
2244 | a[20] = 21; | |
2245 | a[21] = 25; | |
2246 | a[22] = 30; | |
2247 | a[23] = 35; | |
2248 | a[24] = 45; | |
2249 | a[25] = 60; | |
2250 | a[26] = 80; | |
2251 | a[27] = 100; | |
2252 | a[28] = 200; | |
2253 | a[29] = 300; | |
2254 | a[30] = 400; | |
2255 | a[31] = 500; | |
2256 | ||
2257 | b[0] = b[1] = b[2] = b[3] = b[4] = b[5] = b[6] = b[7] = b[8] = 0; | |
2258 | b[9] = b[10] = 1; | |
2259 | b[11] = b[12] = 2; | |
2260 | b[13] = b[14] = b[15] = b[16] = 3; | |
2261 | b[17] = b[18] = b[19] = b[20] = b[21] = 4; | |
2262 | b[22] = b[23] = b[24] = b[25] = b[26] = b[27] = 5; | |
2263 | b[28] = b[29] = 6; | |
2264 | b[30] = b[31] = 7; | |
2265 | } | |
2266 | ||
2267 | /* The minimum additive increment value for the congestion control table */ | |
2268 | #define CC_MIN_INCR 2U | |
2269 | ||
2270 | /** | |
2271 | * t4_load_mtus - write the MTU and congestion control HW tables | |
2272 | * @adap: the adapter | |
2273 | * @mtus: the values for the MTU table | |
2274 | * @alpha: the values for the congestion control alpha parameter | |
2275 | * @beta: the values for the congestion control beta parameter | |
2276 | * | |
2277 | * Write the HW MTU table with the supplied MTUs and the high-speed | |
2278 | * congestion control table with the supplied alpha, beta, and MTUs. | |
2279 | * We write the two tables together because the additive increments | |
2280 | * depend on the MTUs. | |
2281 | */ | |
2282 | void t4_load_mtus(struct adapter *adap, const unsigned short *mtus, | |
2283 | const unsigned short *alpha, const unsigned short *beta) | |
2284 | { | |
2285 | static const unsigned int avg_pkts[NCCTRL_WIN] = { | |
2286 | 2, 6, 10, 14, 20, 28, 40, 56, 80, 112, 160, 224, 320, 448, 640, | |
2287 | 896, 1281, 1792, 2560, 3584, 5120, 7168, 10240, 14336, 20480, | |
2288 | 28672, 40960, 57344, 81920, 114688, 163840, 229376 | |
2289 | }; | |
2290 | ||
2291 | unsigned int i, w; | |
2292 | ||
2293 | for (i = 0; i < NMTUS; ++i) { | |
2294 | unsigned int mtu = mtus[i]; | |
2295 | unsigned int log2 = fls(mtu); | |
2296 | ||
2297 | if (!(mtu & ((1 << log2) >> 2))) /* round */ | |
2298 | log2--; | |
2299 | t4_write_reg(adap, TP_MTU_TABLE, MTUINDEX(i) | | |
2300 | MTUWIDTH(log2) | MTUVALUE(mtu)); | |
2301 | ||
2302 | for (w = 0; w < NCCTRL_WIN; ++w) { | |
2303 | unsigned int inc; | |
2304 | ||
2305 | inc = max(((mtu - 40) * alpha[w]) / avg_pkts[w], | |
2306 | CC_MIN_INCR); | |
2307 | ||
2308 | t4_write_reg(adap, TP_CCTRL_TABLE, (i << 21) | | |
2309 | (w << 16) | (beta[w] << 13) | inc); | |
2310 | } | |
2311 | } | |
2312 | } | |
2313 | ||
56d36be4 DM |
2314 | /** |
2315 | * get_mps_bg_map - return the buffer groups associated with a port | |
2316 | * @adap: the adapter | |
2317 | * @idx: the port index | |
2318 | * | |
2319 | * Returns a bitmap indicating which MPS buffer groups are associated | |
2320 | * with the given port. Bit i is set if buffer group i is used by the | |
2321 | * port. | |
2322 | */ | |
2323 | static unsigned int get_mps_bg_map(struct adapter *adap, int idx) | |
2324 | { | |
2325 | u32 n = NUMPORTS_GET(t4_read_reg(adap, MPS_CMN_CTL)); | |
2326 | ||
2327 | if (n == 0) | |
2328 | return idx == 0 ? 0xf : 0; | |
2329 | if (n == 1) | |
2330 | return idx < 2 ? (3 << (2 * idx)) : 0; | |
2331 | return 1 << idx; | |
2332 | } | |
2333 | ||
72aca4bf KS |
2334 | /** |
2335 | * t4_get_port_type_description - return Port Type string description | |
2336 | * @port_type: firmware Port Type enumeration | |
2337 | */ | |
2338 | const char *t4_get_port_type_description(enum fw_port_type port_type) | |
2339 | { | |
2340 | static const char *const port_type_description[] = { | |
2341 | "R XFI", | |
2342 | "R XAUI", | |
2343 | "T SGMII", | |
2344 | "T XFI", | |
2345 | "T XAUI", | |
2346 | "KX4", | |
2347 | "CX4", | |
2348 | "KX", | |
2349 | "KR", | |
2350 | "R SFP+", | |
2351 | "KR/KX", | |
2352 | "KR/KX/KX4", | |
2353 | "R QSFP_10G", | |
2354 | "", | |
2355 | "R QSFP", | |
2356 | "R BP40_BA", | |
2357 | }; | |
2358 | ||
2359 | if (port_type < ARRAY_SIZE(port_type_description)) | |
2360 | return port_type_description[port_type]; | |
2361 | return "UNKNOWN"; | |
2362 | } | |
2363 | ||
56d36be4 DM |
2364 | /** |
2365 | * t4_get_port_stats - collect port statistics | |
2366 | * @adap: the adapter | |
2367 | * @idx: the port index | |
2368 | * @p: the stats structure to fill | |
2369 | * | |
2370 | * Collect statistics related to the given port from HW. | |
2371 | */ | |
2372 | void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p) | |
2373 | { | |
2374 | u32 bgmap = get_mps_bg_map(adap, idx); | |
2375 | ||
2376 | #define GET_STAT(name) \ | |
0a57a536 | 2377 | t4_read_reg64(adap, \ |
d14807dd | 2378 | (is_t4(adap->params.chip) ? PORT_REG(idx, MPS_PORT_STAT_##name##_L) : \ |
0a57a536 | 2379 | T5_PORT_REG(idx, MPS_PORT_STAT_##name##_L))) |
56d36be4 DM |
2380 | #define GET_STAT_COM(name) t4_read_reg64(adap, MPS_STAT_##name##_L) |
2381 | ||
2382 | p->tx_octets = GET_STAT(TX_PORT_BYTES); | |
2383 | p->tx_frames = GET_STAT(TX_PORT_FRAMES); | |
2384 | p->tx_bcast_frames = GET_STAT(TX_PORT_BCAST); | |
2385 | p->tx_mcast_frames = GET_STAT(TX_PORT_MCAST); | |
2386 | p->tx_ucast_frames = GET_STAT(TX_PORT_UCAST); | |
2387 | p->tx_error_frames = GET_STAT(TX_PORT_ERROR); | |
2388 | p->tx_frames_64 = GET_STAT(TX_PORT_64B); | |
2389 | p->tx_frames_65_127 = GET_STAT(TX_PORT_65B_127B); | |
2390 | p->tx_frames_128_255 = GET_STAT(TX_PORT_128B_255B); | |
2391 | p->tx_frames_256_511 = GET_STAT(TX_PORT_256B_511B); | |
2392 | p->tx_frames_512_1023 = GET_STAT(TX_PORT_512B_1023B); | |
2393 | p->tx_frames_1024_1518 = GET_STAT(TX_PORT_1024B_1518B); | |
2394 | p->tx_frames_1519_max = GET_STAT(TX_PORT_1519B_MAX); | |
2395 | p->tx_drop = GET_STAT(TX_PORT_DROP); | |
2396 | p->tx_pause = GET_STAT(TX_PORT_PAUSE); | |
2397 | p->tx_ppp0 = GET_STAT(TX_PORT_PPP0); | |
2398 | p->tx_ppp1 = GET_STAT(TX_PORT_PPP1); | |
2399 | p->tx_ppp2 = GET_STAT(TX_PORT_PPP2); | |
2400 | p->tx_ppp3 = GET_STAT(TX_PORT_PPP3); | |
2401 | p->tx_ppp4 = GET_STAT(TX_PORT_PPP4); | |
2402 | p->tx_ppp5 = GET_STAT(TX_PORT_PPP5); | |
2403 | p->tx_ppp6 = GET_STAT(TX_PORT_PPP6); | |
2404 | p->tx_ppp7 = GET_STAT(TX_PORT_PPP7); | |
2405 | ||
2406 | p->rx_octets = GET_STAT(RX_PORT_BYTES); | |
2407 | p->rx_frames = GET_STAT(RX_PORT_FRAMES); | |
2408 | p->rx_bcast_frames = GET_STAT(RX_PORT_BCAST); | |
2409 | p->rx_mcast_frames = GET_STAT(RX_PORT_MCAST); | |
2410 | p->rx_ucast_frames = GET_STAT(RX_PORT_UCAST); | |
2411 | p->rx_too_long = GET_STAT(RX_PORT_MTU_ERROR); | |
2412 | p->rx_jabber = GET_STAT(RX_PORT_MTU_CRC_ERROR); | |
2413 | p->rx_fcs_err = GET_STAT(RX_PORT_CRC_ERROR); | |
2414 | p->rx_len_err = GET_STAT(RX_PORT_LEN_ERROR); | |
2415 | p->rx_symbol_err = GET_STAT(RX_PORT_SYM_ERROR); | |
2416 | p->rx_runt = GET_STAT(RX_PORT_LESS_64B); | |
2417 | p->rx_frames_64 = GET_STAT(RX_PORT_64B); | |
2418 | p->rx_frames_65_127 = GET_STAT(RX_PORT_65B_127B); | |
2419 | p->rx_frames_128_255 = GET_STAT(RX_PORT_128B_255B); | |
2420 | p->rx_frames_256_511 = GET_STAT(RX_PORT_256B_511B); | |
2421 | p->rx_frames_512_1023 = GET_STAT(RX_PORT_512B_1023B); | |
2422 | p->rx_frames_1024_1518 = GET_STAT(RX_PORT_1024B_1518B); | |
2423 | p->rx_frames_1519_max = GET_STAT(RX_PORT_1519B_MAX); | |
2424 | p->rx_pause = GET_STAT(RX_PORT_PAUSE); | |
2425 | p->rx_ppp0 = GET_STAT(RX_PORT_PPP0); | |
2426 | p->rx_ppp1 = GET_STAT(RX_PORT_PPP1); | |
2427 | p->rx_ppp2 = GET_STAT(RX_PORT_PPP2); | |
2428 | p->rx_ppp3 = GET_STAT(RX_PORT_PPP3); | |
2429 | p->rx_ppp4 = GET_STAT(RX_PORT_PPP4); | |
2430 | p->rx_ppp5 = GET_STAT(RX_PORT_PPP5); | |
2431 | p->rx_ppp6 = GET_STAT(RX_PORT_PPP6); | |
2432 | p->rx_ppp7 = GET_STAT(RX_PORT_PPP7); | |
2433 | ||
2434 | p->rx_ovflow0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_DROP_FRAME) : 0; | |
2435 | p->rx_ovflow1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_DROP_FRAME) : 0; | |
2436 | p->rx_ovflow2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_DROP_FRAME) : 0; | |
2437 | p->rx_ovflow3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_MAC_DROP_FRAME) : 0; | |
2438 | p->rx_trunc0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_TRUNC_FRAME) : 0; | |
2439 | p->rx_trunc1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_TRUNC_FRAME) : 0; | |
2440 | p->rx_trunc2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_TRUNC_FRAME) : 0; | |
2441 | p->rx_trunc3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_MAC_TRUNC_FRAME) : 0; | |
2442 | ||
2443 | #undef GET_STAT | |
2444 | #undef GET_STAT_COM | |
2445 | } | |
2446 | ||
56d36be4 DM |
2447 | /** |
2448 | * t4_wol_magic_enable - enable/disable magic packet WoL | |
2449 | * @adap: the adapter | |
2450 | * @port: the physical port index | |
2451 | * @addr: MAC address expected in magic packets, %NULL to disable | |
2452 | * | |
2453 | * Enables/disables magic packet wake-on-LAN for the selected port. | |
2454 | */ | |
2455 | void t4_wol_magic_enable(struct adapter *adap, unsigned int port, | |
2456 | const u8 *addr) | |
2457 | { | |
0a57a536 SR |
2458 | u32 mag_id_reg_l, mag_id_reg_h, port_cfg_reg; |
2459 | ||
d14807dd | 2460 | if (is_t4(adap->params.chip)) { |
0a57a536 SR |
2461 | mag_id_reg_l = PORT_REG(port, XGMAC_PORT_MAGIC_MACID_LO); |
2462 | mag_id_reg_h = PORT_REG(port, XGMAC_PORT_MAGIC_MACID_HI); | |
2463 | port_cfg_reg = PORT_REG(port, XGMAC_PORT_CFG2); | |
2464 | } else { | |
2465 | mag_id_reg_l = T5_PORT_REG(port, MAC_PORT_MAGIC_MACID_LO); | |
2466 | mag_id_reg_h = T5_PORT_REG(port, MAC_PORT_MAGIC_MACID_HI); | |
2467 | port_cfg_reg = T5_PORT_REG(port, MAC_PORT_CFG2); | |
2468 | } | |
2469 | ||
56d36be4 | 2470 | if (addr) { |
0a57a536 | 2471 | t4_write_reg(adap, mag_id_reg_l, |
56d36be4 DM |
2472 | (addr[2] << 24) | (addr[3] << 16) | |
2473 | (addr[4] << 8) | addr[5]); | |
0a57a536 | 2474 | t4_write_reg(adap, mag_id_reg_h, |
56d36be4 DM |
2475 | (addr[0] << 8) | addr[1]); |
2476 | } | |
0a57a536 | 2477 | t4_set_reg_field(adap, port_cfg_reg, MAGICEN, |
56d36be4 DM |
2478 | addr ? MAGICEN : 0); |
2479 | } | |
2480 | ||
2481 | /** | |
2482 | * t4_wol_pat_enable - enable/disable pattern-based WoL | |
2483 | * @adap: the adapter | |
2484 | * @port: the physical port index | |
2485 | * @map: bitmap of which HW pattern filters to set | |
2486 | * @mask0: byte mask for bytes 0-63 of a packet | |
2487 | * @mask1: byte mask for bytes 64-127 of a packet | |
2488 | * @crc: Ethernet CRC for selected bytes | |
2489 | * @enable: enable/disable switch | |
2490 | * | |
2491 | * Sets the pattern filters indicated in @map to mask out the bytes | |
2492 | * specified in @mask0/@mask1 in received packets and compare the CRC of | |
2493 | * the resulting packet against @crc. If @enable is %true pattern-based | |
2494 | * WoL is enabled, otherwise disabled. | |
2495 | */ | |
2496 | int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map, | |
2497 | u64 mask0, u64 mask1, unsigned int crc, bool enable) | |
2498 | { | |
2499 | int i; | |
0a57a536 SR |
2500 | u32 port_cfg_reg; |
2501 | ||
d14807dd | 2502 | if (is_t4(adap->params.chip)) |
0a57a536 SR |
2503 | port_cfg_reg = PORT_REG(port, XGMAC_PORT_CFG2); |
2504 | else | |
2505 | port_cfg_reg = T5_PORT_REG(port, MAC_PORT_CFG2); | |
56d36be4 DM |
2506 | |
2507 | if (!enable) { | |
0a57a536 | 2508 | t4_set_reg_field(adap, port_cfg_reg, PATEN, 0); |
56d36be4 DM |
2509 | return 0; |
2510 | } | |
2511 | if (map > 0xff) | |
2512 | return -EINVAL; | |
2513 | ||
0a57a536 | 2514 | #define EPIO_REG(name) \ |
d14807dd | 2515 | (is_t4(adap->params.chip) ? PORT_REG(port, XGMAC_PORT_EPIO_##name) : \ |
0a57a536 | 2516 | T5_PORT_REG(port, MAC_PORT_EPIO_##name)) |
56d36be4 DM |
2517 | |
2518 | t4_write_reg(adap, EPIO_REG(DATA1), mask0 >> 32); | |
2519 | t4_write_reg(adap, EPIO_REG(DATA2), mask1); | |
2520 | t4_write_reg(adap, EPIO_REG(DATA3), mask1 >> 32); | |
2521 | ||
2522 | for (i = 0; i < NWOL_PAT; i++, map >>= 1) { | |
2523 | if (!(map & 1)) | |
2524 | continue; | |
2525 | ||
2526 | /* write byte masks */ | |
2527 | t4_write_reg(adap, EPIO_REG(DATA0), mask0); | |
2528 | t4_write_reg(adap, EPIO_REG(OP), ADDRESS(i) | EPIOWR); | |
2529 | t4_read_reg(adap, EPIO_REG(OP)); /* flush */ | |
ce91a923 | 2530 | if (t4_read_reg(adap, EPIO_REG(OP)) & SF_BUSY) |
56d36be4 DM |
2531 | return -ETIMEDOUT; |
2532 | ||
2533 | /* write CRC */ | |
2534 | t4_write_reg(adap, EPIO_REG(DATA0), crc); | |
2535 | t4_write_reg(adap, EPIO_REG(OP), ADDRESS(i + 32) | EPIOWR); | |
2536 | t4_read_reg(adap, EPIO_REG(OP)); /* flush */ | |
ce91a923 | 2537 | if (t4_read_reg(adap, EPIO_REG(OP)) & SF_BUSY) |
56d36be4 DM |
2538 | return -ETIMEDOUT; |
2539 | } | |
2540 | #undef EPIO_REG | |
2541 | ||
2542 | t4_set_reg_field(adap, PORT_REG(port, XGMAC_PORT_CFG2), 0, PATEN); | |
2543 | return 0; | |
2544 | } | |
2545 | ||
f2b7e78d VP |
2546 | /* t4_mk_filtdelwr - create a delete filter WR |
2547 | * @ftid: the filter ID | |
2548 | * @wr: the filter work request to populate | |
2549 | * @qid: ingress queue to receive the delete notification | |
2550 | * | |
2551 | * Creates a filter work request to delete the supplied filter. If @qid is | |
2552 | * negative the delete notification is suppressed. | |
2553 | */ | |
2554 | void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid) | |
2555 | { | |
2556 | memset(wr, 0, sizeof(*wr)); | |
e2ac9628 HS |
2557 | wr->op_pkd = htonl(FW_WR_OP_V(FW_FILTER_WR)); |
2558 | wr->len16_pkd = htonl(FW_WR_LEN16_V(sizeof(*wr) / 16)); | |
77a80e23 HS |
2559 | wr->tid_to_iq = htonl(FW_FILTER_WR_TID_V(ftid) | |
2560 | FW_FILTER_WR_NOREPLY_V(qid < 0)); | |
2561 | wr->del_filter_to_l2tix = htonl(FW_FILTER_WR_DEL_FILTER_F); | |
f2b7e78d | 2562 | if (qid >= 0) |
77a80e23 | 2563 | wr->rx_chan_rx_rpl_iq = htons(FW_FILTER_WR_RX_RPL_IQ_V(qid)); |
f2b7e78d VP |
2564 | } |
2565 | ||
56d36be4 | 2566 | #define INIT_CMD(var, cmd, rd_wr) do { \ |
e2ac9628 HS |
2567 | (var).op_to_write = htonl(FW_CMD_OP_V(FW_##cmd##_CMD) | \ |
2568 | FW_CMD_REQUEST_F | FW_CMD_##rd_wr##_F); \ | |
56d36be4 DM |
2569 | (var).retval_len16 = htonl(FW_LEN16(var)); \ |
2570 | } while (0) | |
2571 | ||
8caa1e84 VP |
2572 | int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox, |
2573 | u32 addr, u32 val) | |
2574 | { | |
2575 | struct fw_ldst_cmd c; | |
2576 | ||
2577 | memset(&c, 0, sizeof(c)); | |
e2ac9628 HS |
2578 | c.op_to_addrspace = htonl(FW_CMD_OP_V(FW_LDST_CMD) | FW_CMD_REQUEST_F | |
2579 | FW_CMD_WRITE_F | | |
5167865a | 2580 | FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_FIRMWARE)); |
8caa1e84 VP |
2581 | c.cycles_to_len16 = htonl(FW_LEN16(c)); |
2582 | c.u.addrval.addr = htonl(addr); | |
2583 | c.u.addrval.val = htonl(val); | |
2584 | ||
2585 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
2586 | } | |
2587 | ||
56d36be4 DM |
2588 | /** |
2589 | * t4_mdio_rd - read a PHY register through MDIO | |
2590 | * @adap: the adapter | |
2591 | * @mbox: mailbox to use for the FW command | |
2592 | * @phy_addr: the PHY address | |
2593 | * @mmd: the PHY MMD to access (0 for clause 22 PHYs) | |
2594 | * @reg: the register to read | |
2595 | * @valp: where to store the value | |
2596 | * | |
2597 | * Issues a FW command through the given mailbox to read a PHY register. | |
2598 | */ | |
2599 | int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, | |
2600 | unsigned int mmd, unsigned int reg, u16 *valp) | |
2601 | { | |
2602 | int ret; | |
2603 | struct fw_ldst_cmd c; | |
2604 | ||
2605 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 2606 | c.op_to_addrspace = htonl(FW_CMD_OP_V(FW_LDST_CMD) | FW_CMD_REQUEST_F | |
5167865a | 2607 | FW_CMD_READ_F | FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_MDIO)); |
56d36be4 | 2608 | c.cycles_to_len16 = htonl(FW_LEN16(c)); |
5167865a HS |
2609 | c.u.mdio.paddr_mmd = htons(FW_LDST_CMD_PADDR_V(phy_addr) | |
2610 | FW_LDST_CMD_MMD_V(mmd)); | |
56d36be4 DM |
2611 | c.u.mdio.raddr = htons(reg); |
2612 | ||
2613 | ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); | |
2614 | if (ret == 0) | |
2615 | *valp = ntohs(c.u.mdio.rval); | |
2616 | return ret; | |
2617 | } | |
2618 | ||
2619 | /** | |
2620 | * t4_mdio_wr - write a PHY register through MDIO | |
2621 | * @adap: the adapter | |
2622 | * @mbox: mailbox to use for the FW command | |
2623 | * @phy_addr: the PHY address | |
2624 | * @mmd: the PHY MMD to access (0 for clause 22 PHYs) | |
2625 | * @reg: the register to write | |
2626 | * @valp: value to write | |
2627 | * | |
2628 | * Issues a FW command through the given mailbox to write a PHY register. | |
2629 | */ | |
2630 | int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, | |
2631 | unsigned int mmd, unsigned int reg, u16 val) | |
2632 | { | |
2633 | struct fw_ldst_cmd c; | |
2634 | ||
2635 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 2636 | c.op_to_addrspace = htonl(FW_CMD_OP_V(FW_LDST_CMD) | FW_CMD_REQUEST_F | |
5167865a | 2637 | FW_CMD_WRITE_F | FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_MDIO)); |
56d36be4 | 2638 | c.cycles_to_len16 = htonl(FW_LEN16(c)); |
5167865a HS |
2639 | c.u.mdio.paddr_mmd = htons(FW_LDST_CMD_PADDR_V(phy_addr) | |
2640 | FW_LDST_CMD_MMD_V(mmd)); | |
56d36be4 DM |
2641 | c.u.mdio.raddr = htons(reg); |
2642 | c.u.mdio.rval = htons(val); | |
2643 | ||
2644 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
2645 | } | |
2646 | ||
68bce192 KS |
2647 | /** |
2648 | * t4_sge_decode_idma_state - decode the idma state | |
2649 | * @adap: the adapter | |
2650 | * @state: the state idma is stuck in | |
2651 | */ | |
2652 | void t4_sge_decode_idma_state(struct adapter *adapter, int state) | |
2653 | { | |
2654 | static const char * const t4_decode[] = { | |
2655 | "IDMA_IDLE", | |
2656 | "IDMA_PUSH_MORE_CPL_FIFO", | |
2657 | "IDMA_PUSH_CPL_MSG_HEADER_TO_FIFO", | |
2658 | "Not used", | |
2659 | "IDMA_PHYSADDR_SEND_PCIEHDR", | |
2660 | "IDMA_PHYSADDR_SEND_PAYLOAD_FIRST", | |
2661 | "IDMA_PHYSADDR_SEND_PAYLOAD", | |
2662 | "IDMA_SEND_FIFO_TO_IMSG", | |
2663 | "IDMA_FL_REQ_DATA_FL_PREP", | |
2664 | "IDMA_FL_REQ_DATA_FL", | |
2665 | "IDMA_FL_DROP", | |
2666 | "IDMA_FL_H_REQ_HEADER_FL", | |
2667 | "IDMA_FL_H_SEND_PCIEHDR", | |
2668 | "IDMA_FL_H_PUSH_CPL_FIFO", | |
2669 | "IDMA_FL_H_SEND_CPL", | |
2670 | "IDMA_FL_H_SEND_IP_HDR_FIRST", | |
2671 | "IDMA_FL_H_SEND_IP_HDR", | |
2672 | "IDMA_FL_H_REQ_NEXT_HEADER_FL", | |
2673 | "IDMA_FL_H_SEND_NEXT_PCIEHDR", | |
2674 | "IDMA_FL_H_SEND_IP_HDR_PADDING", | |
2675 | "IDMA_FL_D_SEND_PCIEHDR", | |
2676 | "IDMA_FL_D_SEND_CPL_AND_IP_HDR", | |
2677 | "IDMA_FL_D_REQ_NEXT_DATA_FL", | |
2678 | "IDMA_FL_SEND_PCIEHDR", | |
2679 | "IDMA_FL_PUSH_CPL_FIFO", | |
2680 | "IDMA_FL_SEND_CPL", | |
2681 | "IDMA_FL_SEND_PAYLOAD_FIRST", | |
2682 | "IDMA_FL_SEND_PAYLOAD", | |
2683 | "IDMA_FL_REQ_NEXT_DATA_FL", | |
2684 | "IDMA_FL_SEND_NEXT_PCIEHDR", | |
2685 | "IDMA_FL_SEND_PADDING", | |
2686 | "IDMA_FL_SEND_COMPLETION_TO_IMSG", | |
2687 | "IDMA_FL_SEND_FIFO_TO_IMSG", | |
2688 | "IDMA_FL_REQ_DATAFL_DONE", | |
2689 | "IDMA_FL_REQ_HEADERFL_DONE", | |
2690 | }; | |
2691 | static const char * const t5_decode[] = { | |
2692 | "IDMA_IDLE", | |
2693 | "IDMA_ALMOST_IDLE", | |
2694 | "IDMA_PUSH_MORE_CPL_FIFO", | |
2695 | "IDMA_PUSH_CPL_MSG_HEADER_TO_FIFO", | |
2696 | "IDMA_SGEFLRFLUSH_SEND_PCIEHDR", | |
2697 | "IDMA_PHYSADDR_SEND_PCIEHDR", | |
2698 | "IDMA_PHYSADDR_SEND_PAYLOAD_FIRST", | |
2699 | "IDMA_PHYSADDR_SEND_PAYLOAD", | |
2700 | "IDMA_SEND_FIFO_TO_IMSG", | |
2701 | "IDMA_FL_REQ_DATA_FL", | |
2702 | "IDMA_FL_DROP", | |
2703 | "IDMA_FL_DROP_SEND_INC", | |
2704 | "IDMA_FL_H_REQ_HEADER_FL", | |
2705 | "IDMA_FL_H_SEND_PCIEHDR", | |
2706 | "IDMA_FL_H_PUSH_CPL_FIFO", | |
2707 | "IDMA_FL_H_SEND_CPL", | |
2708 | "IDMA_FL_H_SEND_IP_HDR_FIRST", | |
2709 | "IDMA_FL_H_SEND_IP_HDR", | |
2710 | "IDMA_FL_H_REQ_NEXT_HEADER_FL", | |
2711 | "IDMA_FL_H_SEND_NEXT_PCIEHDR", | |
2712 | "IDMA_FL_H_SEND_IP_HDR_PADDING", | |
2713 | "IDMA_FL_D_SEND_PCIEHDR", | |
2714 | "IDMA_FL_D_SEND_CPL_AND_IP_HDR", | |
2715 | "IDMA_FL_D_REQ_NEXT_DATA_FL", | |
2716 | "IDMA_FL_SEND_PCIEHDR", | |
2717 | "IDMA_FL_PUSH_CPL_FIFO", | |
2718 | "IDMA_FL_SEND_CPL", | |
2719 | "IDMA_FL_SEND_PAYLOAD_FIRST", | |
2720 | "IDMA_FL_SEND_PAYLOAD", | |
2721 | "IDMA_FL_REQ_NEXT_DATA_FL", | |
2722 | "IDMA_FL_SEND_NEXT_PCIEHDR", | |
2723 | "IDMA_FL_SEND_PADDING", | |
2724 | "IDMA_FL_SEND_COMPLETION_TO_IMSG", | |
2725 | }; | |
2726 | static const u32 sge_regs[] = { | |
2727 | SGE_DEBUG_DATA_LOW_INDEX_2, | |
2728 | SGE_DEBUG_DATA_LOW_INDEX_3, | |
2729 | SGE_DEBUG_DATA_HIGH_INDEX_10, | |
2730 | }; | |
2731 | const char **sge_idma_decode; | |
2732 | int sge_idma_decode_nstates; | |
2733 | int i; | |
2734 | ||
2735 | if (is_t4(adapter->params.chip)) { | |
2736 | sge_idma_decode = (const char **)t4_decode; | |
2737 | sge_idma_decode_nstates = ARRAY_SIZE(t4_decode); | |
2738 | } else { | |
2739 | sge_idma_decode = (const char **)t5_decode; | |
2740 | sge_idma_decode_nstates = ARRAY_SIZE(t5_decode); | |
2741 | } | |
2742 | ||
2743 | if (state < sge_idma_decode_nstates) | |
2744 | CH_WARN(adapter, "idma state %s\n", sge_idma_decode[state]); | |
2745 | else | |
2746 | CH_WARN(adapter, "idma state %d unknown\n", state); | |
2747 | ||
2748 | for (i = 0; i < ARRAY_SIZE(sge_regs); i++) | |
2749 | CH_WARN(adapter, "SGE register %#x value %#x\n", | |
2750 | sge_regs[i], t4_read_reg(adapter, sge_regs[i])); | |
2751 | } | |
2752 | ||
56d36be4 | 2753 | /** |
636f9d37 VP |
2754 | * t4_fw_hello - establish communication with FW |
2755 | * @adap: the adapter | |
2756 | * @mbox: mailbox to use for the FW command | |
2757 | * @evt_mbox: mailbox to receive async FW events | |
2758 | * @master: specifies the caller's willingness to be the device master | |
2759 | * @state: returns the current device state (if non-NULL) | |
56d36be4 | 2760 | * |
636f9d37 VP |
2761 | * Issues a command to establish communication with FW. Returns either |
2762 | * an error (negative integer) or the mailbox of the Master PF. | |
56d36be4 DM |
2763 | */ |
2764 | int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox, | |
2765 | enum dev_master master, enum dev_state *state) | |
2766 | { | |
2767 | int ret; | |
2768 | struct fw_hello_cmd c; | |
636f9d37 VP |
2769 | u32 v; |
2770 | unsigned int master_mbox; | |
2771 | int retries = FW_CMD_HELLO_RETRIES; | |
56d36be4 | 2772 | |
636f9d37 VP |
2773 | retry: |
2774 | memset(&c, 0, sizeof(c)); | |
56d36be4 | 2775 | INIT_CMD(c, HELLO, WRITE); |
ce91a923 | 2776 | c.err_to_clearinit = htonl( |
5167865a HS |
2777 | FW_HELLO_CMD_MASTERDIS_V(master == MASTER_CANT) | |
2778 | FW_HELLO_CMD_MASTERFORCE_V(master == MASTER_MUST) | | |
2779 | FW_HELLO_CMD_MBMASTER_V(master == MASTER_MUST ? mbox : | |
2780 | FW_HELLO_CMD_MBMASTER_M) | | |
2781 | FW_HELLO_CMD_MBASYNCNOT_V(evt_mbox) | | |
2782 | FW_HELLO_CMD_STAGE_V(fw_hello_cmd_stage_os) | | |
2783 | FW_HELLO_CMD_CLEARINIT_F); | |
56d36be4 | 2784 | |
636f9d37 VP |
2785 | /* |
2786 | * Issue the HELLO command to the firmware. If it's not successful | |
2787 | * but indicates that we got a "busy" or "timeout" condition, retry | |
31d55c2d HS |
2788 | * the HELLO until we exhaust our retry limit. If we do exceed our |
2789 | * retry limit, check to see if the firmware left us any error | |
2790 | * information and report that if so. | |
636f9d37 | 2791 | */ |
56d36be4 | 2792 | ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); |
636f9d37 VP |
2793 | if (ret < 0) { |
2794 | if ((ret == -EBUSY || ret == -ETIMEDOUT) && retries-- > 0) | |
2795 | goto retry; | |
b2e1a3f0 | 2796 | if (t4_read_reg(adap, MA_PCIE_FW) & PCIE_FW_ERR) |
31d55c2d | 2797 | t4_report_fw_error(adap); |
636f9d37 VP |
2798 | return ret; |
2799 | } | |
2800 | ||
ce91a923 | 2801 | v = ntohl(c.err_to_clearinit); |
5167865a | 2802 | master_mbox = FW_HELLO_CMD_MBMASTER_G(v); |
636f9d37 | 2803 | if (state) { |
5167865a | 2804 | if (v & FW_HELLO_CMD_ERR_F) |
56d36be4 | 2805 | *state = DEV_STATE_ERR; |
5167865a | 2806 | else if (v & FW_HELLO_CMD_INIT_F) |
636f9d37 | 2807 | *state = DEV_STATE_INIT; |
56d36be4 DM |
2808 | else |
2809 | *state = DEV_STATE_UNINIT; | |
2810 | } | |
636f9d37 VP |
2811 | |
2812 | /* | |
2813 | * If we're not the Master PF then we need to wait around for the | |
2814 | * Master PF Driver to finish setting up the adapter. | |
2815 | * | |
2816 | * Note that we also do this wait if we're a non-Master-capable PF and | |
2817 | * there is no current Master PF; a Master PF may show up momentarily | |
2818 | * and we wouldn't want to fail pointlessly. (This can happen when an | |
2819 | * OS loads lots of different drivers rapidly at the same time). In | |
2820 | * this case, the Master PF returned by the firmware will be | |
b2e1a3f0 | 2821 | * PCIE_FW_MASTER_M so the test below will work ... |
636f9d37 | 2822 | */ |
5167865a | 2823 | if ((v & (FW_HELLO_CMD_ERR_F|FW_HELLO_CMD_INIT_F)) == 0 && |
636f9d37 VP |
2824 | master_mbox != mbox) { |
2825 | int waiting = FW_CMD_HELLO_TIMEOUT; | |
2826 | ||
2827 | /* | |
2828 | * Wait for the firmware to either indicate an error or | |
2829 | * initialized state. If we see either of these we bail out | |
2830 | * and report the issue to the caller. If we exhaust the | |
2831 | * "hello timeout" and we haven't exhausted our retries, try | |
2832 | * again. Otherwise bail with a timeout error. | |
2833 | */ | |
2834 | for (;;) { | |
2835 | u32 pcie_fw; | |
2836 | ||
2837 | msleep(50); | |
2838 | waiting -= 50; | |
2839 | ||
2840 | /* | |
2841 | * If neither Error nor Initialialized are indicated | |
2842 | * by the firmware keep waiting till we exaust our | |
2843 | * timeout ... and then retry if we haven't exhausted | |
2844 | * our retries ... | |
2845 | */ | |
2846 | pcie_fw = t4_read_reg(adap, MA_PCIE_FW); | |
b2e1a3f0 | 2847 | if (!(pcie_fw & (PCIE_FW_ERR|PCIE_FW_INIT))) { |
636f9d37 VP |
2848 | if (waiting <= 0) { |
2849 | if (retries-- > 0) | |
2850 | goto retry; | |
2851 | ||
2852 | return -ETIMEDOUT; | |
2853 | } | |
2854 | continue; | |
2855 | } | |
2856 | ||
2857 | /* | |
2858 | * We either have an Error or Initialized condition | |
2859 | * report errors preferentially. | |
2860 | */ | |
2861 | if (state) { | |
b2e1a3f0 | 2862 | if (pcie_fw & PCIE_FW_ERR) |
636f9d37 | 2863 | *state = DEV_STATE_ERR; |
b2e1a3f0 | 2864 | else if (pcie_fw & PCIE_FW_INIT) |
636f9d37 VP |
2865 | *state = DEV_STATE_INIT; |
2866 | } | |
2867 | ||
2868 | /* | |
2869 | * If we arrived before a Master PF was selected and | |
2870 | * there's not a valid Master PF, grab its identity | |
2871 | * for our caller. | |
2872 | */ | |
b2e1a3f0 HS |
2873 | if (master_mbox == PCIE_FW_MASTER_M && |
2874 | (pcie_fw & PCIE_FW_MASTER_VLD)) | |
2875 | master_mbox = PCIE_FW_MASTER_G(pcie_fw); | |
636f9d37 VP |
2876 | break; |
2877 | } | |
2878 | } | |
2879 | ||
2880 | return master_mbox; | |
56d36be4 DM |
2881 | } |
2882 | ||
2883 | /** | |
2884 | * t4_fw_bye - end communication with FW | |
2885 | * @adap: the adapter | |
2886 | * @mbox: mailbox to use for the FW command | |
2887 | * | |
2888 | * Issues a command to terminate communication with FW. | |
2889 | */ | |
2890 | int t4_fw_bye(struct adapter *adap, unsigned int mbox) | |
2891 | { | |
2892 | struct fw_bye_cmd c; | |
2893 | ||
0062b15c | 2894 | memset(&c, 0, sizeof(c)); |
56d36be4 DM |
2895 | INIT_CMD(c, BYE, WRITE); |
2896 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
2897 | } | |
2898 | ||
2899 | /** | |
2900 | * t4_init_cmd - ask FW to initialize the device | |
2901 | * @adap: the adapter | |
2902 | * @mbox: mailbox to use for the FW command | |
2903 | * | |
2904 | * Issues a command to FW to partially initialize the device. This | |
2905 | * performs initialization that generally doesn't depend on user input. | |
2906 | */ | |
2907 | int t4_early_init(struct adapter *adap, unsigned int mbox) | |
2908 | { | |
2909 | struct fw_initialize_cmd c; | |
2910 | ||
0062b15c | 2911 | memset(&c, 0, sizeof(c)); |
56d36be4 DM |
2912 | INIT_CMD(c, INITIALIZE, WRITE); |
2913 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
2914 | } | |
2915 | ||
2916 | /** | |
2917 | * t4_fw_reset - issue a reset to FW | |
2918 | * @adap: the adapter | |
2919 | * @mbox: mailbox to use for the FW command | |
2920 | * @reset: specifies the type of reset to perform | |
2921 | * | |
2922 | * Issues a reset command of the specified type to FW. | |
2923 | */ | |
2924 | int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset) | |
2925 | { | |
2926 | struct fw_reset_cmd c; | |
2927 | ||
0062b15c | 2928 | memset(&c, 0, sizeof(c)); |
56d36be4 DM |
2929 | INIT_CMD(c, RESET, WRITE); |
2930 | c.val = htonl(reset); | |
2931 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
2932 | } | |
2933 | ||
26f7cbc0 VP |
2934 | /** |
2935 | * t4_fw_halt - issue a reset/halt to FW and put uP into RESET | |
2936 | * @adap: the adapter | |
2937 | * @mbox: mailbox to use for the FW RESET command (if desired) | |
2938 | * @force: force uP into RESET even if FW RESET command fails | |
2939 | * | |
2940 | * Issues a RESET command to firmware (if desired) with a HALT indication | |
2941 | * and then puts the microprocessor into RESET state. The RESET command | |
2942 | * will only be issued if a legitimate mailbox is provided (mbox <= | |
b2e1a3f0 | 2943 | * PCIE_FW_MASTER_M). |
26f7cbc0 VP |
2944 | * |
2945 | * This is generally used in order for the host to safely manipulate the | |
2946 | * adapter without fear of conflicting with whatever the firmware might | |
2947 | * be doing. The only way out of this state is to RESTART the firmware | |
2948 | * ... | |
2949 | */ | |
de5b8677 | 2950 | static int t4_fw_halt(struct adapter *adap, unsigned int mbox, int force) |
26f7cbc0 VP |
2951 | { |
2952 | int ret = 0; | |
2953 | ||
2954 | /* | |
2955 | * If a legitimate mailbox is provided, issue a RESET command | |
2956 | * with a HALT indication. | |
2957 | */ | |
b2e1a3f0 | 2958 | if (mbox <= PCIE_FW_MASTER_M) { |
26f7cbc0 VP |
2959 | struct fw_reset_cmd c; |
2960 | ||
2961 | memset(&c, 0, sizeof(c)); | |
2962 | INIT_CMD(c, RESET, WRITE); | |
2963 | c.val = htonl(PIORST | PIORSTMODE); | |
5167865a | 2964 | c.halt_pkd = htonl(FW_RESET_CMD_HALT_F); |
26f7cbc0 VP |
2965 | ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); |
2966 | } | |
2967 | ||
2968 | /* | |
2969 | * Normally we won't complete the operation if the firmware RESET | |
2970 | * command fails but if our caller insists we'll go ahead and put the | |
2971 | * uP into RESET. This can be useful if the firmware is hung or even | |
2972 | * missing ... We'll have to take the risk of putting the uP into | |
2973 | * RESET without the cooperation of firmware in that case. | |
2974 | * | |
2975 | * We also force the firmware's HALT flag to be on in case we bypassed | |
2976 | * the firmware RESET command above or we're dealing with old firmware | |
2977 | * which doesn't have the HALT capability. This will serve as a flag | |
2978 | * for the incoming firmware to know that it's coming out of a HALT | |
2979 | * rather than a RESET ... if it's new enough to understand that ... | |
2980 | */ | |
2981 | if (ret == 0 || force) { | |
2982 | t4_set_reg_field(adap, CIM_BOOT_CFG, UPCRST, UPCRST); | |
b2e1a3f0 HS |
2983 | t4_set_reg_field(adap, PCIE_FW, PCIE_FW_HALT_F, |
2984 | PCIE_FW_HALT_F); | |
26f7cbc0 VP |
2985 | } |
2986 | ||
2987 | /* | |
2988 | * And we always return the result of the firmware RESET command | |
2989 | * even when we force the uP into RESET ... | |
2990 | */ | |
2991 | return ret; | |
2992 | } | |
2993 | ||
2994 | /** | |
2995 | * t4_fw_restart - restart the firmware by taking the uP out of RESET | |
2996 | * @adap: the adapter | |
2997 | * @reset: if we want to do a RESET to restart things | |
2998 | * | |
2999 | * Restart firmware previously halted by t4_fw_halt(). On successful | |
3000 | * return the previous PF Master remains as the new PF Master and there | |
3001 | * is no need to issue a new HELLO command, etc. | |
3002 | * | |
3003 | * We do this in two ways: | |
3004 | * | |
3005 | * 1. If we're dealing with newer firmware we'll simply want to take | |
3006 | * the chip's microprocessor out of RESET. This will cause the | |
3007 | * firmware to start up from its start vector. And then we'll loop | |
3008 | * until the firmware indicates it's started again (PCIE_FW.HALT | |
3009 | * reset to 0) or we timeout. | |
3010 | * | |
3011 | * 2. If we're dealing with older firmware then we'll need to RESET | |
3012 | * the chip since older firmware won't recognize the PCIE_FW.HALT | |
3013 | * flag and automatically RESET itself on startup. | |
3014 | */ | |
de5b8677 | 3015 | static int t4_fw_restart(struct adapter *adap, unsigned int mbox, int reset) |
26f7cbc0 VP |
3016 | { |
3017 | if (reset) { | |
3018 | /* | |
3019 | * Since we're directing the RESET instead of the firmware | |
3020 | * doing it automatically, we need to clear the PCIE_FW.HALT | |
3021 | * bit. | |
3022 | */ | |
b2e1a3f0 | 3023 | t4_set_reg_field(adap, PCIE_FW, PCIE_FW_HALT_F, 0); |
26f7cbc0 VP |
3024 | |
3025 | /* | |
3026 | * If we've been given a valid mailbox, first try to get the | |
3027 | * firmware to do the RESET. If that works, great and we can | |
3028 | * return success. Otherwise, if we haven't been given a | |
3029 | * valid mailbox or the RESET command failed, fall back to | |
3030 | * hitting the chip with a hammer. | |
3031 | */ | |
b2e1a3f0 | 3032 | if (mbox <= PCIE_FW_MASTER_M) { |
26f7cbc0 VP |
3033 | t4_set_reg_field(adap, CIM_BOOT_CFG, UPCRST, 0); |
3034 | msleep(100); | |
3035 | if (t4_fw_reset(adap, mbox, | |
3036 | PIORST | PIORSTMODE) == 0) | |
3037 | return 0; | |
3038 | } | |
3039 | ||
3040 | t4_write_reg(adap, PL_RST, PIORST | PIORSTMODE); | |
3041 | msleep(2000); | |
3042 | } else { | |
3043 | int ms; | |
3044 | ||
3045 | t4_set_reg_field(adap, CIM_BOOT_CFG, UPCRST, 0); | |
3046 | for (ms = 0; ms < FW_CMD_MAX_TIMEOUT; ) { | |
b2e1a3f0 | 3047 | if (!(t4_read_reg(adap, PCIE_FW) & PCIE_FW_HALT_F)) |
26f7cbc0 VP |
3048 | return 0; |
3049 | msleep(100); | |
3050 | ms += 100; | |
3051 | } | |
3052 | return -ETIMEDOUT; | |
3053 | } | |
3054 | return 0; | |
3055 | } | |
3056 | ||
3057 | /** | |
3058 | * t4_fw_upgrade - perform all of the steps necessary to upgrade FW | |
3059 | * @adap: the adapter | |
3060 | * @mbox: mailbox to use for the FW RESET command (if desired) | |
3061 | * @fw_data: the firmware image to write | |
3062 | * @size: image size | |
3063 | * @force: force upgrade even if firmware doesn't cooperate | |
3064 | * | |
3065 | * Perform all of the steps necessary for upgrading an adapter's | |
3066 | * firmware image. Normally this requires the cooperation of the | |
3067 | * existing firmware in order to halt all existing activities | |
3068 | * but if an invalid mailbox token is passed in we skip that step | |
3069 | * (though we'll still put the adapter microprocessor into RESET in | |
3070 | * that case). | |
3071 | * | |
3072 | * On successful return the new firmware will have been loaded and | |
3073 | * the adapter will have been fully RESET losing all previous setup | |
3074 | * state. On unsuccessful return the adapter may be completely hosed ... | |
3075 | * positive errno indicates that the adapter is ~probably~ intact, a | |
3076 | * negative errno indicates that things are looking bad ... | |
3077 | */ | |
22c0b963 HS |
3078 | int t4_fw_upgrade(struct adapter *adap, unsigned int mbox, |
3079 | const u8 *fw_data, unsigned int size, int force) | |
26f7cbc0 VP |
3080 | { |
3081 | const struct fw_hdr *fw_hdr = (const struct fw_hdr *)fw_data; | |
3082 | int reset, ret; | |
3083 | ||
3084 | ret = t4_fw_halt(adap, mbox, force); | |
3085 | if (ret < 0 && !force) | |
3086 | return ret; | |
3087 | ||
3088 | ret = t4_load_fw(adap, fw_data, size); | |
3089 | if (ret < 0) | |
3090 | return ret; | |
3091 | ||
3092 | /* | |
3093 | * Older versions of the firmware don't understand the new | |
3094 | * PCIE_FW.HALT flag and so won't know to perform a RESET when they | |
3095 | * restart. So for newly loaded older firmware we'll have to do the | |
3096 | * RESET for it so it starts up on a clean slate. We can tell if | |
3097 | * the newly loaded firmware will handle this right by checking | |
3098 | * its header flags to see if it advertises the capability. | |
3099 | */ | |
3100 | reset = ((ntohl(fw_hdr->flags) & FW_HDR_FLAGS_RESET_HALT) == 0); | |
3101 | return t4_fw_restart(adap, mbox, reset); | |
3102 | } | |
3103 | ||
636f9d37 VP |
3104 | /** |
3105 | * t4_fixup_host_params - fix up host-dependent parameters | |
3106 | * @adap: the adapter | |
3107 | * @page_size: the host's Base Page Size | |
3108 | * @cache_line_size: the host's Cache Line Size | |
3109 | * | |
3110 | * Various registers in T4 contain values which are dependent on the | |
3111 | * host's Base Page and Cache Line Sizes. This function will fix all of | |
3112 | * those registers with the appropriate values as passed in ... | |
3113 | */ | |
3114 | int t4_fixup_host_params(struct adapter *adap, unsigned int page_size, | |
3115 | unsigned int cache_line_size) | |
3116 | { | |
3117 | unsigned int page_shift = fls(page_size) - 1; | |
3118 | unsigned int sge_hps = page_shift - 10; | |
3119 | unsigned int stat_len = cache_line_size > 64 ? 128 : 64; | |
3120 | unsigned int fl_align = cache_line_size < 32 ? 32 : cache_line_size; | |
3121 | unsigned int fl_align_log = fls(fl_align) - 1; | |
3122 | ||
3123 | t4_write_reg(adap, SGE_HOST_PAGE_SIZE, | |
3124 | HOSTPAGESIZEPF0(sge_hps) | | |
3125 | HOSTPAGESIZEPF1(sge_hps) | | |
3126 | HOSTPAGESIZEPF2(sge_hps) | | |
3127 | HOSTPAGESIZEPF3(sge_hps) | | |
3128 | HOSTPAGESIZEPF4(sge_hps) | | |
3129 | HOSTPAGESIZEPF5(sge_hps) | | |
3130 | HOSTPAGESIZEPF6(sge_hps) | | |
3131 | HOSTPAGESIZEPF7(sge_hps)); | |
3132 | ||
ce8f407a HS |
3133 | if (is_t4(adap->params.chip)) { |
3134 | t4_set_reg_field(adap, SGE_CONTROL, | |
3135 | INGPADBOUNDARY_MASK | | |
3136 | EGRSTATUSPAGESIZE_MASK, | |
3137 | INGPADBOUNDARY(fl_align_log - 5) | | |
3138 | EGRSTATUSPAGESIZE(stat_len != 64)); | |
3139 | } else { | |
3140 | /* T5 introduced the separation of the Free List Padding and | |
3141 | * Packing Boundaries. Thus, we can select a smaller Padding | |
3142 | * Boundary to avoid uselessly chewing up PCIe Link and Memory | |
3143 | * Bandwidth, and use a Packing Boundary which is large enough | |
3144 | * to avoid false sharing between CPUs, etc. | |
3145 | * | |
3146 | * For the PCI Link, the smaller the Padding Boundary the | |
3147 | * better. For the Memory Controller, a smaller Padding | |
3148 | * Boundary is better until we cross under the Memory Line | |
3149 | * Size (the minimum unit of transfer to/from Memory). If we | |
3150 | * have a Padding Boundary which is smaller than the Memory | |
3151 | * Line Size, that'll involve a Read-Modify-Write cycle on the | |
3152 | * Memory Controller which is never good. For T5 the smallest | |
3153 | * Padding Boundary which we can select is 32 bytes which is | |
3154 | * larger than any known Memory Controller Line Size so we'll | |
3155 | * use that. | |
3156 | * | |
3157 | * T5 has a different interpretation of the "0" value for the | |
3158 | * Packing Boundary. This corresponds to 16 bytes instead of | |
3159 | * the expected 32 bytes. We never have a Packing Boundary | |
3160 | * less than 32 bytes so we can't use that special value but | |
3161 | * on the other hand, if we wanted 32 bytes, the best we can | |
3162 | * really do is 64 bytes. | |
3163 | */ | |
3164 | if (fl_align <= 32) { | |
3165 | fl_align = 64; | |
3166 | fl_align_log = 6; | |
3167 | } | |
3168 | t4_set_reg_field(adap, SGE_CONTROL, | |
3169 | INGPADBOUNDARY_MASK | | |
3170 | EGRSTATUSPAGESIZE_MASK, | |
3171 | INGPADBOUNDARY(INGPCIEBOUNDARY_32B_X) | | |
3172 | EGRSTATUSPAGESIZE(stat_len != 64)); | |
3173 | t4_set_reg_field(adap, SGE_CONTROL2_A, | |
3174 | INGPACKBOUNDARY_V(INGPACKBOUNDARY_M), | |
3175 | INGPACKBOUNDARY_V(fl_align_log - | |
3176 | INGPACKBOUNDARY_SHIFT_X)); | |
3177 | } | |
636f9d37 VP |
3178 | /* |
3179 | * Adjust various SGE Free List Host Buffer Sizes. | |
3180 | * | |
3181 | * This is something of a crock since we're using fixed indices into | |
3182 | * the array which are also known by the sge.c code and the T4 | |
3183 | * Firmware Configuration File. We need to come up with a much better | |
3184 | * approach to managing this array. For now, the first four entries | |
3185 | * are: | |
3186 | * | |
3187 | * 0: Host Page Size | |
3188 | * 1: 64KB | |
3189 | * 2: Buffer size corresponding to 1500 byte MTU (unpacked mode) | |
3190 | * 3: Buffer size corresponding to 9000 byte MTU (unpacked mode) | |
3191 | * | |
3192 | * For the single-MTU buffers in unpacked mode we need to include | |
3193 | * space for the SGE Control Packet Shift, 14 byte Ethernet header, | |
3194 | * possible 4 byte VLAN tag, all rounded up to the next Ingress Packet | |
3195 | * Padding boundry. All of these are accommodated in the Factory | |
3196 | * Default Firmware Configuration File but we need to adjust it for | |
3197 | * this host's cache line size. | |
3198 | */ | |
3199 | t4_write_reg(adap, SGE_FL_BUFFER_SIZE0, page_size); | |
3200 | t4_write_reg(adap, SGE_FL_BUFFER_SIZE2, | |
3201 | (t4_read_reg(adap, SGE_FL_BUFFER_SIZE2) + fl_align-1) | |
3202 | & ~(fl_align-1)); | |
3203 | t4_write_reg(adap, SGE_FL_BUFFER_SIZE3, | |
3204 | (t4_read_reg(adap, SGE_FL_BUFFER_SIZE3) + fl_align-1) | |
3205 | & ~(fl_align-1)); | |
3206 | ||
3207 | t4_write_reg(adap, ULP_RX_TDDP_PSZ, HPZ0(page_shift - 12)); | |
3208 | ||
3209 | return 0; | |
3210 | } | |
3211 | ||
3212 | /** | |
3213 | * t4_fw_initialize - ask FW to initialize the device | |
3214 | * @adap: the adapter | |
3215 | * @mbox: mailbox to use for the FW command | |
3216 | * | |
3217 | * Issues a command to FW to partially initialize the device. This | |
3218 | * performs initialization that generally doesn't depend on user input. | |
3219 | */ | |
3220 | int t4_fw_initialize(struct adapter *adap, unsigned int mbox) | |
3221 | { | |
3222 | struct fw_initialize_cmd c; | |
3223 | ||
3224 | memset(&c, 0, sizeof(c)); | |
3225 | INIT_CMD(c, INITIALIZE, WRITE); | |
3226 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
3227 | } | |
3228 | ||
56d36be4 DM |
3229 | /** |
3230 | * t4_query_params - query FW or device parameters | |
3231 | * @adap: the adapter | |
3232 | * @mbox: mailbox to use for the FW command | |
3233 | * @pf: the PF | |
3234 | * @vf: the VF | |
3235 | * @nparams: the number of parameters | |
3236 | * @params: the parameter names | |
3237 | * @val: the parameter values | |
3238 | * | |
3239 | * Reads the value of FW or device parameters. Up to 7 parameters can be | |
3240 | * queried at once. | |
3241 | */ | |
3242 | int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
3243 | unsigned int vf, unsigned int nparams, const u32 *params, | |
3244 | u32 *val) | |
3245 | { | |
3246 | int i, ret; | |
3247 | struct fw_params_cmd c; | |
3248 | __be32 *p = &c.param[0].mnem; | |
3249 | ||
3250 | if (nparams > 7) | |
3251 | return -EINVAL; | |
3252 | ||
3253 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 3254 | c.op_to_vfn = htonl(FW_CMD_OP_V(FW_PARAMS_CMD) | FW_CMD_REQUEST_F | |
5167865a HS |
3255 | FW_CMD_READ_F | FW_PARAMS_CMD_PFN_V(pf) | |
3256 | FW_PARAMS_CMD_VFN_V(vf)); | |
56d36be4 DM |
3257 | c.retval_len16 = htonl(FW_LEN16(c)); |
3258 | for (i = 0; i < nparams; i++, p += 2) | |
3259 | *p = htonl(*params++); | |
3260 | ||
3261 | ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); | |
3262 | if (ret == 0) | |
3263 | for (i = 0, p = &c.param[0].val; i < nparams; i++, p += 2) | |
3264 | *val++ = ntohl(*p); | |
3265 | return ret; | |
3266 | } | |
3267 | ||
688848b1 AB |
3268 | /** |
3269 | * t4_set_params_nosleep - sets FW or device parameters | |
3270 | * @adap: the adapter | |
3271 | * @mbox: mailbox to use for the FW command | |
3272 | * @pf: the PF | |
3273 | * @vf: the VF | |
3274 | * @nparams: the number of parameters | |
3275 | * @params: the parameter names | |
3276 | * @val: the parameter values | |
3277 | * | |
3278 | * Does not ever sleep | |
3279 | * Sets the value of FW or device parameters. Up to 7 parameters can be | |
3280 | * specified at once. | |
3281 | */ | |
3282 | int t4_set_params_nosleep(struct adapter *adap, unsigned int mbox, | |
3283 | unsigned int pf, unsigned int vf, | |
3284 | unsigned int nparams, const u32 *params, | |
3285 | const u32 *val) | |
3286 | { | |
3287 | struct fw_params_cmd c; | |
3288 | __be32 *p = &c.param[0].mnem; | |
3289 | ||
3290 | if (nparams > 7) | |
3291 | return -EINVAL; | |
3292 | ||
3293 | memset(&c, 0, sizeof(c)); | |
e2ac9628 HS |
3294 | c.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_PARAMS_CMD) | |
3295 | FW_CMD_REQUEST_F | FW_CMD_WRITE_F | | |
5167865a HS |
3296 | FW_PARAMS_CMD_PFN_V(pf) | |
3297 | FW_PARAMS_CMD_VFN_V(vf)); | |
688848b1 AB |
3298 | c.retval_len16 = cpu_to_be32(FW_LEN16(c)); |
3299 | ||
3300 | while (nparams--) { | |
3301 | *p++ = cpu_to_be32(*params++); | |
3302 | *p++ = cpu_to_be32(*val++); | |
3303 | } | |
3304 | ||
3305 | return t4_wr_mbox_ns(adap, mbox, &c, sizeof(c), NULL); | |
3306 | } | |
3307 | ||
56d36be4 DM |
3308 | /** |
3309 | * t4_set_params - sets FW or device parameters | |
3310 | * @adap: the adapter | |
3311 | * @mbox: mailbox to use for the FW command | |
3312 | * @pf: the PF | |
3313 | * @vf: the VF | |
3314 | * @nparams: the number of parameters | |
3315 | * @params: the parameter names | |
3316 | * @val: the parameter values | |
3317 | * | |
3318 | * Sets the value of FW or device parameters. Up to 7 parameters can be | |
3319 | * specified at once. | |
3320 | */ | |
3321 | int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
3322 | unsigned int vf, unsigned int nparams, const u32 *params, | |
3323 | const u32 *val) | |
3324 | { | |
3325 | struct fw_params_cmd c; | |
3326 | __be32 *p = &c.param[0].mnem; | |
3327 | ||
3328 | if (nparams > 7) | |
3329 | return -EINVAL; | |
3330 | ||
3331 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 3332 | c.op_to_vfn = htonl(FW_CMD_OP_V(FW_PARAMS_CMD) | FW_CMD_REQUEST_F | |
5167865a HS |
3333 | FW_CMD_WRITE_F | FW_PARAMS_CMD_PFN_V(pf) | |
3334 | FW_PARAMS_CMD_VFN_V(vf)); | |
56d36be4 DM |
3335 | c.retval_len16 = htonl(FW_LEN16(c)); |
3336 | while (nparams--) { | |
3337 | *p++ = htonl(*params++); | |
3338 | *p++ = htonl(*val++); | |
3339 | } | |
3340 | ||
3341 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
3342 | } | |
3343 | ||
3344 | /** | |
3345 | * t4_cfg_pfvf - configure PF/VF resource limits | |
3346 | * @adap: the adapter | |
3347 | * @mbox: mailbox to use for the FW command | |
3348 | * @pf: the PF being configured | |
3349 | * @vf: the VF being configured | |
3350 | * @txq: the max number of egress queues | |
3351 | * @txq_eth_ctrl: the max number of egress Ethernet or control queues | |
3352 | * @rxqi: the max number of interrupt-capable ingress queues | |
3353 | * @rxq: the max number of interruptless ingress queues | |
3354 | * @tc: the PCI traffic class | |
3355 | * @vi: the max number of virtual interfaces | |
3356 | * @cmask: the channel access rights mask for the PF/VF | |
3357 | * @pmask: the port access rights mask for the PF/VF | |
3358 | * @nexact: the maximum number of exact MPS filters | |
3359 | * @rcaps: read capabilities | |
3360 | * @wxcaps: write/execute capabilities | |
3361 | * | |
3362 | * Configures resource limits and capabilities for a physical or virtual | |
3363 | * function. | |
3364 | */ | |
3365 | int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
3366 | unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl, | |
3367 | unsigned int rxqi, unsigned int rxq, unsigned int tc, | |
3368 | unsigned int vi, unsigned int cmask, unsigned int pmask, | |
3369 | unsigned int nexact, unsigned int rcaps, unsigned int wxcaps) | |
3370 | { | |
3371 | struct fw_pfvf_cmd c; | |
3372 | ||
3373 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 3374 | c.op_to_vfn = htonl(FW_CMD_OP_V(FW_PFVF_CMD) | FW_CMD_REQUEST_F | |
5167865a HS |
3375 | FW_CMD_WRITE_F | FW_PFVF_CMD_PFN_V(pf) | |
3376 | FW_PFVF_CMD_VFN_V(vf)); | |
56d36be4 | 3377 | c.retval_len16 = htonl(FW_LEN16(c)); |
5167865a HS |
3378 | c.niqflint_niq = htonl(FW_PFVF_CMD_NIQFLINT_V(rxqi) | |
3379 | FW_PFVF_CMD_NIQ_V(rxq)); | |
3380 | c.type_to_neq = htonl(FW_PFVF_CMD_CMASK_V(cmask) | | |
3381 | FW_PFVF_CMD_PMASK_V(pmask) | | |
3382 | FW_PFVF_CMD_NEQ_V(txq)); | |
3383 | c.tc_to_nexactf = htonl(FW_PFVF_CMD_TC_V(tc) | FW_PFVF_CMD_NVI_V(vi) | | |
3384 | FW_PFVF_CMD_NEXACTF_V(nexact)); | |
3385 | c.r_caps_to_nethctrl = htonl(FW_PFVF_CMD_R_CAPS_V(rcaps) | | |
3386 | FW_PFVF_CMD_WX_CAPS_V(wxcaps) | | |
3387 | FW_PFVF_CMD_NETHCTRL_V(txq_eth_ctrl)); | |
56d36be4 DM |
3388 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); |
3389 | } | |
3390 | ||
3391 | /** | |
3392 | * t4_alloc_vi - allocate a virtual interface | |
3393 | * @adap: the adapter | |
3394 | * @mbox: mailbox to use for the FW command | |
3395 | * @port: physical port associated with the VI | |
3396 | * @pf: the PF owning the VI | |
3397 | * @vf: the VF owning the VI | |
3398 | * @nmac: number of MAC addresses needed (1 to 5) | |
3399 | * @mac: the MAC addresses of the VI | |
3400 | * @rss_size: size of RSS table slice associated with this VI | |
3401 | * | |
3402 | * Allocates a virtual interface for the given physical port. If @mac is | |
3403 | * not %NULL it contains the MAC addresses of the VI as assigned by FW. | |
3404 | * @mac should be large enough to hold @nmac Ethernet addresses, they are | |
3405 | * stored consecutively so the space needed is @nmac * 6 bytes. | |
3406 | * Returns a negative error number or the non-negative VI id. | |
3407 | */ | |
3408 | int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port, | |
3409 | unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac, | |
3410 | unsigned int *rss_size) | |
3411 | { | |
3412 | int ret; | |
3413 | struct fw_vi_cmd c; | |
3414 | ||
3415 | memset(&c, 0, sizeof(c)); | |
e2ac9628 HS |
3416 | c.op_to_vfn = htonl(FW_CMD_OP_V(FW_VI_CMD) | FW_CMD_REQUEST_F | |
3417 | FW_CMD_WRITE_F | FW_CMD_EXEC_F | | |
2b5fb1f2 HS |
3418 | FW_VI_CMD_PFN_V(pf) | FW_VI_CMD_VFN_V(vf)); |
3419 | c.alloc_to_len16 = htonl(FW_VI_CMD_ALLOC_F | FW_LEN16(c)); | |
3420 | c.portid_pkd = FW_VI_CMD_PORTID_V(port); | |
56d36be4 DM |
3421 | c.nmac = nmac - 1; |
3422 | ||
3423 | ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); | |
3424 | if (ret) | |
3425 | return ret; | |
3426 | ||
3427 | if (mac) { | |
3428 | memcpy(mac, c.mac, sizeof(c.mac)); | |
3429 | switch (nmac) { | |
3430 | case 5: | |
3431 | memcpy(mac + 24, c.nmac3, sizeof(c.nmac3)); | |
3432 | case 4: | |
3433 | memcpy(mac + 18, c.nmac2, sizeof(c.nmac2)); | |
3434 | case 3: | |
3435 | memcpy(mac + 12, c.nmac1, sizeof(c.nmac1)); | |
3436 | case 2: | |
3437 | memcpy(mac + 6, c.nmac0, sizeof(c.nmac0)); | |
3438 | } | |
3439 | } | |
3440 | if (rss_size) | |
2b5fb1f2 HS |
3441 | *rss_size = FW_VI_CMD_RSSSIZE_G(ntohs(c.rsssize_pkd)); |
3442 | return FW_VI_CMD_VIID_G(ntohs(c.type_viid)); | |
56d36be4 DM |
3443 | } |
3444 | ||
56d36be4 DM |
3445 | /** |
3446 | * t4_set_rxmode - set Rx properties of a virtual interface | |
3447 | * @adap: the adapter | |
3448 | * @mbox: mailbox to use for the FW command | |
3449 | * @viid: the VI id | |
3450 | * @mtu: the new MTU or -1 | |
3451 | * @promisc: 1 to enable promiscuous mode, 0 to disable it, -1 no change | |
3452 | * @all_multi: 1 to enable all-multi mode, 0 to disable it, -1 no change | |
3453 | * @bcast: 1 to enable broadcast Rx, 0 to disable it, -1 no change | |
f8f5aafa | 3454 | * @vlanex: 1 to enable HW VLAN extraction, 0 to disable it, -1 no change |
56d36be4 DM |
3455 | * @sleep_ok: if true we may sleep while awaiting command completion |
3456 | * | |
3457 | * Sets Rx properties of a virtual interface. | |
3458 | */ | |
3459 | int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid, | |
f8f5aafa DM |
3460 | int mtu, int promisc, int all_multi, int bcast, int vlanex, |
3461 | bool sleep_ok) | |
56d36be4 DM |
3462 | { |
3463 | struct fw_vi_rxmode_cmd c; | |
3464 | ||
3465 | /* convert to FW values */ | |
3466 | if (mtu < 0) | |
3467 | mtu = FW_RXMODE_MTU_NO_CHG; | |
3468 | if (promisc < 0) | |
2b5fb1f2 | 3469 | promisc = FW_VI_RXMODE_CMD_PROMISCEN_M; |
56d36be4 | 3470 | if (all_multi < 0) |
2b5fb1f2 | 3471 | all_multi = FW_VI_RXMODE_CMD_ALLMULTIEN_M; |
56d36be4 | 3472 | if (bcast < 0) |
2b5fb1f2 | 3473 | bcast = FW_VI_RXMODE_CMD_BROADCASTEN_M; |
f8f5aafa | 3474 | if (vlanex < 0) |
2b5fb1f2 | 3475 | vlanex = FW_VI_RXMODE_CMD_VLANEXEN_M; |
56d36be4 DM |
3476 | |
3477 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 3478 | c.op_to_viid = htonl(FW_CMD_OP_V(FW_VI_RXMODE_CMD) | FW_CMD_REQUEST_F | |
2b5fb1f2 | 3479 | FW_CMD_WRITE_F | FW_VI_RXMODE_CMD_VIID_V(viid)); |
56d36be4 | 3480 | c.retval_len16 = htonl(FW_LEN16(c)); |
2b5fb1f2 HS |
3481 | c.mtu_to_vlanexen = htonl(FW_VI_RXMODE_CMD_MTU_V(mtu) | |
3482 | FW_VI_RXMODE_CMD_PROMISCEN_V(promisc) | | |
3483 | FW_VI_RXMODE_CMD_ALLMULTIEN_V(all_multi) | | |
3484 | FW_VI_RXMODE_CMD_BROADCASTEN_V(bcast) | | |
3485 | FW_VI_RXMODE_CMD_VLANEXEN_V(vlanex)); | |
56d36be4 DM |
3486 | return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok); |
3487 | } | |
3488 | ||
3489 | /** | |
3490 | * t4_alloc_mac_filt - allocates exact-match filters for MAC addresses | |
3491 | * @adap: the adapter | |
3492 | * @mbox: mailbox to use for the FW command | |
3493 | * @viid: the VI id | |
3494 | * @free: if true any existing filters for this VI id are first removed | |
3495 | * @naddr: the number of MAC addresses to allocate filters for (up to 7) | |
3496 | * @addr: the MAC address(es) | |
3497 | * @idx: where to store the index of each allocated filter | |
3498 | * @hash: pointer to hash address filter bitmap | |
3499 | * @sleep_ok: call is allowed to sleep | |
3500 | * | |
3501 | * Allocates an exact-match filter for each of the supplied addresses and | |
3502 | * sets it to the corresponding address. If @idx is not %NULL it should | |
3503 | * have at least @naddr entries, each of which will be set to the index of | |
3504 | * the filter allocated for the corresponding MAC address. If a filter | |
3505 | * could not be allocated for an address its index is set to 0xffff. | |
3506 | * If @hash is not %NULL addresses that fail to allocate an exact filter | |
3507 | * are hashed and update the hash filter bitmap pointed at by @hash. | |
3508 | * | |
3509 | * Returns a negative error number or the number of filters allocated. | |
3510 | */ | |
3511 | int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox, | |
3512 | unsigned int viid, bool free, unsigned int naddr, | |
3513 | const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok) | |
3514 | { | |
3515 | int i, ret; | |
3516 | struct fw_vi_mac_cmd c; | |
3517 | struct fw_vi_mac_exact *p; | |
d14807dd | 3518 | unsigned int max_naddr = is_t4(adap->params.chip) ? |
0a57a536 SR |
3519 | NUM_MPS_CLS_SRAM_L_INSTANCES : |
3520 | NUM_MPS_T5_CLS_SRAM_L_INSTANCES; | |
56d36be4 DM |
3521 | |
3522 | if (naddr > 7) | |
3523 | return -EINVAL; | |
3524 | ||
3525 | memset(&c, 0, sizeof(c)); | |
e2ac9628 HS |
3526 | c.op_to_viid = htonl(FW_CMD_OP_V(FW_VI_MAC_CMD) | FW_CMD_REQUEST_F | |
3527 | FW_CMD_WRITE_F | (free ? FW_CMD_EXEC_F : 0) | | |
2b5fb1f2 HS |
3528 | FW_VI_MAC_CMD_VIID_V(viid)); |
3529 | c.freemacs_to_len16 = htonl(FW_VI_MAC_CMD_FREEMACS_V(free) | | |
e2ac9628 | 3530 | FW_CMD_LEN16_V((naddr + 2) / 2)); |
56d36be4 DM |
3531 | |
3532 | for (i = 0, p = c.u.exact; i < naddr; i++, p++) { | |
2b5fb1f2 HS |
3533 | p->valid_to_idx = htons(FW_VI_MAC_CMD_VALID_F | |
3534 | FW_VI_MAC_CMD_IDX_V(FW_VI_MAC_ADD_MAC)); | |
56d36be4 DM |
3535 | memcpy(p->macaddr, addr[i], sizeof(p->macaddr)); |
3536 | } | |
3537 | ||
3538 | ret = t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), &c, sleep_ok); | |
3539 | if (ret) | |
3540 | return ret; | |
3541 | ||
3542 | for (i = 0, p = c.u.exact; i < naddr; i++, p++) { | |
2b5fb1f2 | 3543 | u16 index = FW_VI_MAC_CMD_IDX_G(ntohs(p->valid_to_idx)); |
56d36be4 DM |
3544 | |
3545 | if (idx) | |
0a57a536 SR |
3546 | idx[i] = index >= max_naddr ? 0xffff : index; |
3547 | if (index < max_naddr) | |
56d36be4 DM |
3548 | ret++; |
3549 | else if (hash) | |
ce9aeb58 | 3550 | *hash |= (1ULL << hash_mac_addr(addr[i])); |
56d36be4 DM |
3551 | } |
3552 | return ret; | |
3553 | } | |
3554 | ||
3555 | /** | |
3556 | * t4_change_mac - modifies the exact-match filter for a MAC address | |
3557 | * @adap: the adapter | |
3558 | * @mbox: mailbox to use for the FW command | |
3559 | * @viid: the VI id | |
3560 | * @idx: index of existing filter for old value of MAC address, or -1 | |
3561 | * @addr: the new MAC address value | |
3562 | * @persist: whether a new MAC allocation should be persistent | |
3563 | * @add_smt: if true also add the address to the HW SMT | |
3564 | * | |
3565 | * Modifies an exact-match filter and sets it to the new MAC address. | |
3566 | * Note that in general it is not possible to modify the value of a given | |
3567 | * filter so the generic way to modify an address filter is to free the one | |
3568 | * being used by the old address value and allocate a new filter for the | |
3569 | * new address value. @idx can be -1 if the address is a new addition. | |
3570 | * | |
3571 | * Returns a negative error number or the index of the filter with the new | |
3572 | * MAC value. | |
3573 | */ | |
3574 | int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid, | |
3575 | int idx, const u8 *addr, bool persist, bool add_smt) | |
3576 | { | |
3577 | int ret, mode; | |
3578 | struct fw_vi_mac_cmd c; | |
3579 | struct fw_vi_mac_exact *p = c.u.exact; | |
d14807dd | 3580 | unsigned int max_mac_addr = is_t4(adap->params.chip) ? |
0a57a536 SR |
3581 | NUM_MPS_CLS_SRAM_L_INSTANCES : |
3582 | NUM_MPS_T5_CLS_SRAM_L_INSTANCES; | |
56d36be4 DM |
3583 | |
3584 | if (idx < 0) /* new allocation */ | |
3585 | idx = persist ? FW_VI_MAC_ADD_PERSIST_MAC : FW_VI_MAC_ADD_MAC; | |
3586 | mode = add_smt ? FW_VI_MAC_SMT_AND_MPSTCAM : FW_VI_MAC_MPS_TCAM_ENTRY; | |
3587 | ||
3588 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 3589 | c.op_to_viid = htonl(FW_CMD_OP_V(FW_VI_MAC_CMD) | FW_CMD_REQUEST_F | |
2b5fb1f2 | 3590 | FW_CMD_WRITE_F | FW_VI_MAC_CMD_VIID_V(viid)); |
e2ac9628 | 3591 | c.freemacs_to_len16 = htonl(FW_CMD_LEN16_V(1)); |
2b5fb1f2 HS |
3592 | p->valid_to_idx = htons(FW_VI_MAC_CMD_VALID_F | |
3593 | FW_VI_MAC_CMD_SMAC_RESULT_V(mode) | | |
3594 | FW_VI_MAC_CMD_IDX_V(idx)); | |
56d36be4 DM |
3595 | memcpy(p->macaddr, addr, sizeof(p->macaddr)); |
3596 | ||
3597 | ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); | |
3598 | if (ret == 0) { | |
2b5fb1f2 | 3599 | ret = FW_VI_MAC_CMD_IDX_G(ntohs(p->valid_to_idx)); |
0a57a536 | 3600 | if (ret >= max_mac_addr) |
56d36be4 DM |
3601 | ret = -ENOMEM; |
3602 | } | |
3603 | return ret; | |
3604 | } | |
3605 | ||
3606 | /** | |
3607 | * t4_set_addr_hash - program the MAC inexact-match hash filter | |
3608 | * @adap: the adapter | |
3609 | * @mbox: mailbox to use for the FW command | |
3610 | * @viid: the VI id | |
3611 | * @ucast: whether the hash filter should also match unicast addresses | |
3612 | * @vec: the value to be written to the hash filter | |
3613 | * @sleep_ok: call is allowed to sleep | |
3614 | * | |
3615 | * Sets the 64-bit inexact-match hash filter for a virtual interface. | |
3616 | */ | |
3617 | int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid, | |
3618 | bool ucast, u64 vec, bool sleep_ok) | |
3619 | { | |
3620 | struct fw_vi_mac_cmd c; | |
3621 | ||
3622 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 3623 | c.op_to_viid = htonl(FW_CMD_OP_V(FW_VI_MAC_CMD) | FW_CMD_REQUEST_F | |
2b5fb1f2 HS |
3624 | FW_CMD_WRITE_F | FW_VI_ENABLE_CMD_VIID_V(viid)); |
3625 | c.freemacs_to_len16 = htonl(FW_VI_MAC_CMD_HASHVECEN_F | | |
3626 | FW_VI_MAC_CMD_HASHUNIEN_V(ucast) | | |
e2ac9628 | 3627 | FW_CMD_LEN16_V(1)); |
56d36be4 DM |
3628 | c.u.hash.hashvec = cpu_to_be64(vec); |
3629 | return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok); | |
3630 | } | |
3631 | ||
688848b1 AB |
3632 | /** |
3633 | * t4_enable_vi_params - enable/disable a virtual interface | |
3634 | * @adap: the adapter | |
3635 | * @mbox: mailbox to use for the FW command | |
3636 | * @viid: the VI id | |
3637 | * @rx_en: 1=enable Rx, 0=disable Rx | |
3638 | * @tx_en: 1=enable Tx, 0=disable Tx | |
3639 | * @dcb_en: 1=enable delivery of Data Center Bridging messages. | |
3640 | * | |
3641 | * Enables/disables a virtual interface. Note that setting DCB Enable | |
3642 | * only makes sense when enabling a Virtual Interface ... | |
3643 | */ | |
3644 | int t4_enable_vi_params(struct adapter *adap, unsigned int mbox, | |
3645 | unsigned int viid, bool rx_en, bool tx_en, bool dcb_en) | |
3646 | { | |
3647 | struct fw_vi_enable_cmd c; | |
3648 | ||
3649 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 3650 | c.op_to_viid = htonl(FW_CMD_OP_V(FW_VI_ENABLE_CMD) | FW_CMD_REQUEST_F | |
2b5fb1f2 | 3651 | FW_CMD_EXEC_F | FW_VI_ENABLE_CMD_VIID_V(viid)); |
688848b1 | 3652 | |
2b5fb1f2 HS |
3653 | c.ien_to_len16 = htonl(FW_VI_ENABLE_CMD_IEN_V(rx_en) | |
3654 | FW_VI_ENABLE_CMD_EEN_V(tx_en) | FW_LEN16(c) | | |
3655 | FW_VI_ENABLE_CMD_DCB_INFO_V(dcb_en)); | |
30f00847 | 3656 | return t4_wr_mbox_ns(adap, mbox, &c, sizeof(c), NULL); |
688848b1 AB |
3657 | } |
3658 | ||
56d36be4 DM |
3659 | /** |
3660 | * t4_enable_vi - enable/disable a virtual interface | |
3661 | * @adap: the adapter | |
3662 | * @mbox: mailbox to use for the FW command | |
3663 | * @viid: the VI id | |
3664 | * @rx_en: 1=enable Rx, 0=disable Rx | |
3665 | * @tx_en: 1=enable Tx, 0=disable Tx | |
3666 | * | |
3667 | * Enables/disables a virtual interface. | |
3668 | */ | |
3669 | int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid, | |
3670 | bool rx_en, bool tx_en) | |
3671 | { | |
688848b1 | 3672 | return t4_enable_vi_params(adap, mbox, viid, rx_en, tx_en, 0); |
56d36be4 DM |
3673 | } |
3674 | ||
3675 | /** | |
3676 | * t4_identify_port - identify a VI's port by blinking its LED | |
3677 | * @adap: the adapter | |
3678 | * @mbox: mailbox to use for the FW command | |
3679 | * @viid: the VI id | |
3680 | * @nblinks: how many times to blink LED at 2.5 Hz | |
3681 | * | |
3682 | * Identifies a VI's port by blinking its LED. | |
3683 | */ | |
3684 | int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid, | |
3685 | unsigned int nblinks) | |
3686 | { | |
3687 | struct fw_vi_enable_cmd c; | |
3688 | ||
0062b15c | 3689 | memset(&c, 0, sizeof(c)); |
e2ac9628 | 3690 | c.op_to_viid = htonl(FW_CMD_OP_V(FW_VI_ENABLE_CMD) | FW_CMD_REQUEST_F | |
2b5fb1f2 HS |
3691 | FW_CMD_EXEC_F | FW_VI_ENABLE_CMD_VIID_V(viid)); |
3692 | c.ien_to_len16 = htonl(FW_VI_ENABLE_CMD_LED_F | FW_LEN16(c)); | |
56d36be4 DM |
3693 | c.blinkdur = htons(nblinks); |
3694 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
56d36be4 DM |
3695 | } |
3696 | ||
3697 | /** | |
3698 | * t4_iq_free - free an ingress queue and its FLs | |
3699 | * @adap: the adapter | |
3700 | * @mbox: mailbox to use for the FW command | |
3701 | * @pf: the PF owning the queues | |
3702 | * @vf: the VF owning the queues | |
3703 | * @iqtype: the ingress queue type | |
3704 | * @iqid: ingress queue id | |
3705 | * @fl0id: FL0 queue id or 0xffff if no attached FL0 | |
3706 | * @fl1id: FL1 queue id or 0xffff if no attached FL1 | |
3707 | * | |
3708 | * Frees an ingress queue and its associated FLs, if any. | |
3709 | */ | |
3710 | int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
3711 | unsigned int vf, unsigned int iqtype, unsigned int iqid, | |
3712 | unsigned int fl0id, unsigned int fl1id) | |
3713 | { | |
3714 | struct fw_iq_cmd c; | |
3715 | ||
3716 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 3717 | c.op_to_vfn = htonl(FW_CMD_OP_V(FW_IQ_CMD) | FW_CMD_REQUEST_F | |
6e4b51a6 HS |
3718 | FW_CMD_EXEC_F | FW_IQ_CMD_PFN_V(pf) | |
3719 | FW_IQ_CMD_VFN_V(vf)); | |
3720 | c.alloc_to_len16 = htonl(FW_IQ_CMD_FREE_F | FW_LEN16(c)); | |
3721 | c.type_to_iqandstindex = htonl(FW_IQ_CMD_TYPE_V(iqtype)); | |
56d36be4 DM |
3722 | c.iqid = htons(iqid); |
3723 | c.fl0id = htons(fl0id); | |
3724 | c.fl1id = htons(fl1id); | |
3725 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); | |
3726 | } | |
3727 | ||
3728 | /** | |
3729 | * t4_eth_eq_free - free an Ethernet egress queue | |
3730 | * @adap: the adapter | |
3731 | * @mbox: mailbox to use for the FW command | |
3732 | * @pf: the PF owning the queue | |
3733 | * @vf: the VF owning the queue | |
3734 | * @eqid: egress queue id | |
3735 | * | |
3736 | * Frees an Ethernet egress queue. | |
3737 | */ | |
3738 | int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
3739 | unsigned int vf, unsigned int eqid) | |
3740 | { | |
3741 | struct fw_eq_eth_cmd c; | |
3742 | ||
3743 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 3744 | c.op_to_vfn = htonl(FW_CMD_OP_V(FW_EQ_ETH_CMD) | FW_CMD_REQUEST_F | |
6e4b51a6 HS |
3745 | FW_CMD_EXEC_F | FW_EQ_ETH_CMD_PFN_V(pf) | |
3746 | FW_EQ_ETH_CMD_VFN_V(vf)); | |
3747 | c.alloc_to_len16 = htonl(FW_EQ_ETH_CMD_FREE_F | FW_LEN16(c)); | |
3748 | c.eqid_pkd = htonl(FW_EQ_ETH_CMD_EQID_V(eqid)); | |
56d36be4 DM |
3749 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); |
3750 | } | |
3751 | ||
3752 | /** | |
3753 | * t4_ctrl_eq_free - free a control egress queue | |
3754 | * @adap: the adapter | |
3755 | * @mbox: mailbox to use for the FW command | |
3756 | * @pf: the PF owning the queue | |
3757 | * @vf: the VF owning the queue | |
3758 | * @eqid: egress queue id | |
3759 | * | |
3760 | * Frees a control egress queue. | |
3761 | */ | |
3762 | int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
3763 | unsigned int vf, unsigned int eqid) | |
3764 | { | |
3765 | struct fw_eq_ctrl_cmd c; | |
3766 | ||
3767 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 3768 | c.op_to_vfn = htonl(FW_CMD_OP_V(FW_EQ_CTRL_CMD) | FW_CMD_REQUEST_F | |
6e4b51a6 HS |
3769 | FW_CMD_EXEC_F | FW_EQ_CTRL_CMD_PFN_V(pf) | |
3770 | FW_EQ_CTRL_CMD_VFN_V(vf)); | |
3771 | c.alloc_to_len16 = htonl(FW_EQ_CTRL_CMD_FREE_F | FW_LEN16(c)); | |
3772 | c.cmpliqid_eqid = htonl(FW_EQ_CTRL_CMD_EQID_V(eqid)); | |
56d36be4 DM |
3773 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); |
3774 | } | |
3775 | ||
3776 | /** | |
3777 | * t4_ofld_eq_free - free an offload egress queue | |
3778 | * @adap: the adapter | |
3779 | * @mbox: mailbox to use for the FW command | |
3780 | * @pf: the PF owning the queue | |
3781 | * @vf: the VF owning the queue | |
3782 | * @eqid: egress queue id | |
3783 | * | |
3784 | * Frees a control egress queue. | |
3785 | */ | |
3786 | int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, | |
3787 | unsigned int vf, unsigned int eqid) | |
3788 | { | |
3789 | struct fw_eq_ofld_cmd c; | |
3790 | ||
3791 | memset(&c, 0, sizeof(c)); | |
e2ac9628 | 3792 | c.op_to_vfn = htonl(FW_CMD_OP_V(FW_EQ_OFLD_CMD) | FW_CMD_REQUEST_F | |
6e4b51a6 HS |
3793 | FW_CMD_EXEC_F | FW_EQ_OFLD_CMD_PFN_V(pf) | |
3794 | FW_EQ_OFLD_CMD_VFN_V(vf)); | |
3795 | c.alloc_to_len16 = htonl(FW_EQ_OFLD_CMD_FREE_F | FW_LEN16(c)); | |
3796 | c.eqid_pkd = htonl(FW_EQ_OFLD_CMD_EQID_V(eqid)); | |
56d36be4 DM |
3797 | return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); |
3798 | } | |
3799 | ||
3800 | /** | |
3801 | * t4_handle_fw_rpl - process a FW reply message | |
3802 | * @adap: the adapter | |
3803 | * @rpl: start of the FW message | |
3804 | * | |
3805 | * Processes a FW message, such as link state change messages. | |
3806 | */ | |
3807 | int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl) | |
3808 | { | |
3809 | u8 opcode = *(const u8 *)rpl; | |
3810 | ||
3811 | if (opcode == FW_PORT_CMD) { /* link/module state change message */ | |
3812 | int speed = 0, fc = 0; | |
3813 | const struct fw_port_cmd *p = (void *)rpl; | |
2b5fb1f2 | 3814 | int chan = FW_PORT_CMD_PORTID_G(ntohl(p->op_to_portid)); |
56d36be4 DM |
3815 | int port = adap->chan_map[chan]; |
3816 | struct port_info *pi = adap2pinfo(adap, port); | |
3817 | struct link_config *lc = &pi->link_cfg; | |
3818 | u32 stat = ntohl(p->u.info.lstatus_to_modtype); | |
2b5fb1f2 HS |
3819 | int link_ok = (stat & FW_PORT_CMD_LSTATUS_F) != 0; |
3820 | u32 mod = FW_PORT_CMD_MODTYPE_G(stat); | |
56d36be4 | 3821 | |
2b5fb1f2 | 3822 | if (stat & FW_PORT_CMD_RXPAUSE_F) |
56d36be4 | 3823 | fc |= PAUSE_RX; |
2b5fb1f2 | 3824 | if (stat & FW_PORT_CMD_TXPAUSE_F) |
56d36be4 | 3825 | fc |= PAUSE_TX; |
2b5fb1f2 | 3826 | if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_100M)) |
e8b39015 | 3827 | speed = 100; |
2b5fb1f2 | 3828 | else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_1G)) |
e8b39015 | 3829 | speed = 1000; |
2b5fb1f2 | 3830 | else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_10G)) |
e8b39015 | 3831 | speed = 10000; |
2b5fb1f2 | 3832 | else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_40G)) |
e8b39015 | 3833 | speed = 40000; |
56d36be4 DM |
3834 | |
3835 | if (link_ok != lc->link_ok || speed != lc->speed || | |
3836 | fc != lc->fc) { /* something changed */ | |
3837 | lc->link_ok = link_ok; | |
3838 | lc->speed = speed; | |
3839 | lc->fc = fc; | |
444018a7 | 3840 | lc->supported = be16_to_cpu(p->u.info.pcap); |
56d36be4 DM |
3841 | t4_os_link_changed(adap, port, link_ok); |
3842 | } | |
3843 | if (mod != pi->mod_type) { | |
3844 | pi->mod_type = mod; | |
3845 | t4_os_portmod_changed(adap, port); | |
3846 | } | |
3847 | } | |
3848 | return 0; | |
3849 | } | |
3850 | ||
1dd06ae8 | 3851 | static void get_pci_mode(struct adapter *adapter, struct pci_params *p) |
56d36be4 DM |
3852 | { |
3853 | u16 val; | |
56d36be4 | 3854 | |
e5c8ae5f JL |
3855 | if (pci_is_pcie(adapter->pdev)) { |
3856 | pcie_capability_read_word(adapter->pdev, PCI_EXP_LNKSTA, &val); | |
56d36be4 DM |
3857 | p->speed = val & PCI_EXP_LNKSTA_CLS; |
3858 | p->width = (val & PCI_EXP_LNKSTA_NLW) >> 4; | |
3859 | } | |
3860 | } | |
3861 | ||
3862 | /** | |
3863 | * init_link_config - initialize a link's SW state | |
3864 | * @lc: structure holding the link state | |
3865 | * @caps: link capabilities | |
3866 | * | |
3867 | * Initializes the SW state maintained for each link, including the link's | |
3868 | * capabilities and default speed/flow-control/autonegotiation settings. | |
3869 | */ | |
1dd06ae8 | 3870 | static void init_link_config(struct link_config *lc, unsigned int caps) |
56d36be4 DM |
3871 | { |
3872 | lc->supported = caps; | |
3873 | lc->requested_speed = 0; | |
3874 | lc->speed = 0; | |
3875 | lc->requested_fc = lc->fc = PAUSE_RX | PAUSE_TX; | |
3876 | if (lc->supported & FW_PORT_CAP_ANEG) { | |
3877 | lc->advertising = lc->supported & ADVERT_MASK; | |
3878 | lc->autoneg = AUTONEG_ENABLE; | |
3879 | lc->requested_fc |= PAUSE_AUTONEG; | |
3880 | } else { | |
3881 | lc->advertising = 0; | |
3882 | lc->autoneg = AUTONEG_DISABLE; | |
3883 | } | |
3884 | } | |
3885 | ||
8203b509 HS |
3886 | #define CIM_PF_NOACCESS 0xeeeeeeee |
3887 | ||
3888 | int t4_wait_dev_ready(void __iomem *regs) | |
56d36be4 | 3889 | { |
8203b509 HS |
3890 | u32 whoami; |
3891 | ||
3892 | whoami = readl(regs + PL_WHOAMI); | |
3893 | if (whoami != 0xffffffff && whoami != CIM_PF_NOACCESS) | |
56d36be4 | 3894 | return 0; |
8203b509 | 3895 | |
56d36be4 | 3896 | msleep(500); |
8203b509 HS |
3897 | whoami = readl(regs + PL_WHOAMI); |
3898 | return (whoami != 0xffffffff && whoami != CIM_PF_NOACCESS ? 0 : -EIO); | |
56d36be4 DM |
3899 | } |
3900 | ||
fe2ee139 HS |
3901 | struct flash_desc { |
3902 | u32 vendor_and_model_id; | |
3903 | u32 size_mb; | |
3904 | }; | |
3905 | ||
91744948 | 3906 | static int get_flash_params(struct adapter *adap) |
900a6596 | 3907 | { |
fe2ee139 HS |
3908 | /* Table for non-Numonix supported flash parts. Numonix parts are left |
3909 | * to the preexisting code. All flash parts have 64KB sectors. | |
3910 | */ | |
3911 | static struct flash_desc supported_flash[] = { | |
3912 | { 0x150201, 4 << 20 }, /* Spansion 4MB S25FL032P */ | |
3913 | }; | |
3914 | ||
900a6596 DM |
3915 | int ret; |
3916 | u32 info; | |
3917 | ||
3918 | ret = sf1_write(adap, 1, 1, 0, SF_RD_ID); | |
3919 | if (!ret) | |
3920 | ret = sf1_read(adap, 3, 0, 1, &info); | |
3921 | t4_write_reg(adap, SF_OP, 0); /* unlock SF */ | |
3922 | if (ret) | |
3923 | return ret; | |
3924 | ||
fe2ee139 HS |
3925 | for (ret = 0; ret < ARRAY_SIZE(supported_flash); ++ret) |
3926 | if (supported_flash[ret].vendor_and_model_id == info) { | |
3927 | adap->params.sf_size = supported_flash[ret].size_mb; | |
3928 | adap->params.sf_nsec = | |
3929 | adap->params.sf_size / SF_SEC_SIZE; | |
3930 | return 0; | |
3931 | } | |
3932 | ||
900a6596 DM |
3933 | if ((info & 0xff) != 0x20) /* not a Numonix flash */ |
3934 | return -EINVAL; | |
3935 | info >>= 16; /* log2 of size */ | |
3936 | if (info >= 0x14 && info < 0x18) | |
3937 | adap->params.sf_nsec = 1 << (info - 16); | |
3938 | else if (info == 0x18) | |
3939 | adap->params.sf_nsec = 64; | |
3940 | else | |
3941 | return -EINVAL; | |
3942 | adap->params.sf_size = 1 << info; | |
3943 | adap->params.sf_fw_start = | |
3944 | t4_read_reg(adap, CIM_BOOT_CFG) & BOOTADDR_MASK; | |
c290607e HS |
3945 | |
3946 | if (adap->params.sf_size < FLASH_MIN_SIZE) | |
3947 | dev_warn(adap->pdev_dev, "WARNING!!! FLASH size %#x < %#x!!!\n", | |
3948 | adap->params.sf_size, FLASH_MIN_SIZE); | |
900a6596 DM |
3949 | return 0; |
3950 | } | |
3951 | ||
56d36be4 DM |
3952 | /** |
3953 | * t4_prep_adapter - prepare SW and HW for operation | |
3954 | * @adapter: the adapter | |
3955 | * @reset: if true perform a HW reset | |
3956 | * | |
3957 | * Initialize adapter SW state for the various HW modules, set initial | |
3958 | * values for some adapter tunables, take PHYs out of reset, and | |
3959 | * initialize the MDIO interface. | |
3960 | */ | |
91744948 | 3961 | int t4_prep_adapter(struct adapter *adapter) |
56d36be4 | 3962 | { |
0a57a536 SR |
3963 | int ret, ver; |
3964 | uint16_t device_id; | |
d14807dd | 3965 | u32 pl_rev; |
56d36be4 | 3966 | |
56d36be4 | 3967 | get_pci_mode(adapter, &adapter->params.pci); |
d14807dd | 3968 | pl_rev = G_REV(t4_read_reg(adapter, PL_REV)); |
56d36be4 | 3969 | |
900a6596 DM |
3970 | ret = get_flash_params(adapter); |
3971 | if (ret < 0) { | |
3972 | dev_err(adapter->pdev_dev, "error %d identifying flash\n", ret); | |
3973 | return ret; | |
3974 | } | |
3975 | ||
0a57a536 SR |
3976 | /* Retrieve adapter's device ID |
3977 | */ | |
3978 | pci_read_config_word(adapter->pdev, PCI_DEVICE_ID, &device_id); | |
3979 | ver = device_id >> 12; | |
d14807dd | 3980 | adapter->params.chip = 0; |
0a57a536 SR |
3981 | switch (ver) { |
3982 | case CHELSIO_T4: | |
d14807dd | 3983 | adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T4, pl_rev); |
0a57a536 SR |
3984 | break; |
3985 | case CHELSIO_T5: | |
d14807dd | 3986 | adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T5, pl_rev); |
0a57a536 SR |
3987 | break; |
3988 | default: | |
3989 | dev_err(adapter->pdev_dev, "Device %d is not supported\n", | |
3990 | device_id); | |
3991 | return -EINVAL; | |
3992 | } | |
3993 | ||
56d36be4 DM |
3994 | init_cong_ctrl(adapter->params.a_wnd, adapter->params.b_wnd); |
3995 | ||
3996 | /* | |
3997 | * Default port for debugging in case we can't reach FW. | |
3998 | */ | |
3999 | adapter->params.nports = 1; | |
4000 | adapter->params.portvec = 1; | |
636f9d37 | 4001 | adapter->params.vpd.cclk = 50000; |
56d36be4 DM |
4002 | return 0; |
4003 | } | |
4004 | ||
e85c9a7a HS |
4005 | /** |
4006 | * t4_bar2_sge_qregs - return BAR2 SGE Queue register information | |
4007 | * @adapter: the adapter | |
4008 | * @qid: the Queue ID | |
4009 | * @qtype: the Ingress or Egress type for @qid | |
4010 | * @pbar2_qoffset: BAR2 Queue Offset | |
4011 | * @pbar2_qid: BAR2 Queue ID or 0 for Queue ID inferred SGE Queues | |
4012 | * | |
4013 | * Returns the BAR2 SGE Queue Registers information associated with the | |
4014 | * indicated Absolute Queue ID. These are passed back in return value | |
4015 | * pointers. @qtype should be T4_BAR2_QTYPE_EGRESS for Egress Queue | |
4016 | * and T4_BAR2_QTYPE_INGRESS for Ingress Queues. | |
4017 | * | |
4018 | * This may return an error which indicates that BAR2 SGE Queue | |
4019 | * registers aren't available. If an error is not returned, then the | |
4020 | * following values are returned: | |
4021 | * | |
4022 | * *@pbar2_qoffset: the BAR2 Offset of the @qid Registers | |
4023 | * *@pbar2_qid: the BAR2 SGE Queue ID or 0 of @qid | |
4024 | * | |
4025 | * If the returned BAR2 Queue ID is 0, then BAR2 SGE registers which | |
4026 | * require the "Inferred Queue ID" ability may be used. E.g. the | |
4027 | * Write Combining Doorbell Buffer. If the BAR2 Queue ID is not 0, | |
4028 | * then these "Inferred Queue ID" register may not be used. | |
4029 | */ | |
4030 | int t4_bar2_sge_qregs(struct adapter *adapter, | |
4031 | unsigned int qid, | |
4032 | enum t4_bar2_qtype qtype, | |
4033 | u64 *pbar2_qoffset, | |
4034 | unsigned int *pbar2_qid) | |
4035 | { | |
4036 | unsigned int page_shift, page_size, qpp_shift, qpp_mask; | |
4037 | u64 bar2_page_offset, bar2_qoffset; | |
4038 | unsigned int bar2_qid, bar2_qid_offset, bar2_qinferred; | |
4039 | ||
4040 | /* T4 doesn't support BAR2 SGE Queue registers. | |
4041 | */ | |
4042 | if (is_t4(adapter->params.chip)) | |
4043 | return -EINVAL; | |
4044 | ||
4045 | /* Get our SGE Page Size parameters. | |
4046 | */ | |
4047 | page_shift = adapter->params.sge.hps + 10; | |
4048 | page_size = 1 << page_shift; | |
4049 | ||
4050 | /* Get the right Queues per Page parameters for our Queue. | |
4051 | */ | |
4052 | qpp_shift = (qtype == T4_BAR2_QTYPE_EGRESS | |
4053 | ? adapter->params.sge.eq_qpp | |
4054 | : adapter->params.sge.iq_qpp); | |
4055 | qpp_mask = (1 << qpp_shift) - 1; | |
4056 | ||
4057 | /* Calculate the basics of the BAR2 SGE Queue register area: | |
4058 | * o The BAR2 page the Queue registers will be in. | |
4059 | * o The BAR2 Queue ID. | |
4060 | * o The BAR2 Queue ID Offset into the BAR2 page. | |
4061 | */ | |
4062 | bar2_page_offset = ((qid >> qpp_shift) << page_shift); | |
4063 | bar2_qid = qid & qpp_mask; | |
4064 | bar2_qid_offset = bar2_qid * SGE_UDB_SIZE; | |
4065 | ||
4066 | /* If the BAR2 Queue ID Offset is less than the Page Size, then the | |
4067 | * hardware will infer the Absolute Queue ID simply from the writes to | |
4068 | * the BAR2 Queue ID Offset within the BAR2 Page (and we need to use a | |
4069 | * BAR2 Queue ID of 0 for those writes). Otherwise, we'll simply | |
4070 | * write to the first BAR2 SGE Queue Area within the BAR2 Page with | |
4071 | * the BAR2 Queue ID and the hardware will infer the Absolute Queue ID | |
4072 | * from the BAR2 Page and BAR2 Queue ID. | |
4073 | * | |
4074 | * One important censequence of this is that some BAR2 SGE registers | |
4075 | * have a "Queue ID" field and we can write the BAR2 SGE Queue ID | |
4076 | * there. But other registers synthesize the SGE Queue ID purely | |
4077 | * from the writes to the registers -- the Write Combined Doorbell | |
4078 | * Buffer is a good example. These BAR2 SGE Registers are only | |
4079 | * available for those BAR2 SGE Register areas where the SGE Absolute | |
4080 | * Queue ID can be inferred from simple writes. | |
4081 | */ | |
4082 | bar2_qoffset = bar2_page_offset; | |
4083 | bar2_qinferred = (bar2_qid_offset < page_size); | |
4084 | if (bar2_qinferred) { | |
4085 | bar2_qoffset += bar2_qid_offset; | |
4086 | bar2_qid = 0; | |
4087 | } | |
4088 | ||
4089 | *pbar2_qoffset = bar2_qoffset; | |
4090 | *pbar2_qid = bar2_qid; | |
4091 | return 0; | |
4092 | } | |
4093 | ||
4094 | /** | |
4095 | * t4_init_sge_params - initialize adap->params.sge | |
4096 | * @adapter: the adapter | |
4097 | * | |
4098 | * Initialize various fields of the adapter's SGE Parameters structure. | |
4099 | */ | |
4100 | int t4_init_sge_params(struct adapter *adapter) | |
4101 | { | |
4102 | struct sge_params *sge_params = &adapter->params.sge; | |
4103 | u32 hps, qpp; | |
4104 | unsigned int s_hps, s_qpp; | |
4105 | ||
4106 | /* Extract the SGE Page Size for our PF. | |
4107 | */ | |
4108 | hps = t4_read_reg(adapter, SGE_HOST_PAGE_SIZE); | |
4109 | s_hps = (HOSTPAGESIZEPF0_S + | |
4110 | (HOSTPAGESIZEPF1_S - HOSTPAGESIZEPF0_S) * adapter->fn); | |
4111 | sge_params->hps = ((hps >> s_hps) & HOSTPAGESIZEPF0_M); | |
4112 | ||
4113 | /* Extract the SGE Egress and Ingess Queues Per Page for our PF. | |
4114 | */ | |
4115 | s_qpp = (QUEUESPERPAGEPF0_S + | |
4116 | (QUEUESPERPAGEPF1_S - QUEUESPERPAGEPF0_S) * adapter->fn); | |
4117 | qpp = t4_read_reg(adapter, SGE_EGRESS_QUEUES_PER_PAGE_PF); | |
4118 | sge_params->eq_qpp = ((qpp >> s_qpp) & QUEUESPERPAGEPF0_MASK); | |
4119 | qpp = t4_read_reg(adapter, SGE_INGRESS_QUEUES_PER_PAGE_PF); | |
4120 | sge_params->iq_qpp = ((qpp >> s_qpp) & QUEUESPERPAGEPF0_MASK); | |
4121 | ||
4122 | return 0; | |
4123 | } | |
4124 | ||
dcf7b6f5 KS |
4125 | /** |
4126 | * t4_init_tp_params - initialize adap->params.tp | |
4127 | * @adap: the adapter | |
4128 | * | |
4129 | * Initialize various fields of the adapter's TP Parameters structure. | |
4130 | */ | |
4131 | int t4_init_tp_params(struct adapter *adap) | |
4132 | { | |
4133 | int chan; | |
4134 | u32 v; | |
4135 | ||
4136 | v = t4_read_reg(adap, TP_TIMER_RESOLUTION); | |
4137 | adap->params.tp.tre = TIMERRESOLUTION_GET(v); | |
4138 | adap->params.tp.dack_re = DELAYEDACKRESOLUTION_GET(v); | |
4139 | ||
4140 | /* MODQ_REQ_MAP defaults to setting queues 0-3 to chan 0-3 */ | |
4141 | for (chan = 0; chan < NCHAN; chan++) | |
4142 | adap->params.tp.tx_modq[chan] = chan; | |
4143 | ||
4144 | /* Cache the adapter's Compressed Filter Mode and global Incress | |
4145 | * Configuration. | |
4146 | */ | |
4147 | t4_read_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA, | |
4148 | &adap->params.tp.vlan_pri_map, 1, | |
4149 | TP_VLAN_PRI_MAP); | |
4150 | t4_read_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA, | |
4151 | &adap->params.tp.ingress_config, 1, | |
4152 | TP_INGRESS_CONFIG); | |
4153 | ||
4154 | /* Now that we have TP_VLAN_PRI_MAP cached, we can calculate the field | |
4155 | * shift positions of several elements of the Compressed Filter Tuple | |
4156 | * for this adapter which we need frequently ... | |
4157 | */ | |
4158 | adap->params.tp.vlan_shift = t4_filter_field_shift(adap, F_VLAN); | |
4159 | adap->params.tp.vnic_shift = t4_filter_field_shift(adap, F_VNIC_ID); | |
4160 | adap->params.tp.port_shift = t4_filter_field_shift(adap, F_PORT); | |
4161 | adap->params.tp.protocol_shift = t4_filter_field_shift(adap, | |
4162 | F_PROTOCOL); | |
4163 | ||
4164 | /* If TP_INGRESS_CONFIG.VNID == 0, then TP_VLAN_PRI_MAP.VNIC_ID | |
4165 | * represents the presense of an Outer VLAN instead of a VNIC ID. | |
4166 | */ | |
4167 | if ((adap->params.tp.ingress_config & F_VNIC) == 0) | |
4168 | adap->params.tp.vnic_shift = -1; | |
4169 | ||
4170 | return 0; | |
4171 | } | |
4172 | ||
4173 | /** | |
4174 | * t4_filter_field_shift - calculate filter field shift | |
4175 | * @adap: the adapter | |
4176 | * @filter_sel: the desired field (from TP_VLAN_PRI_MAP bits) | |
4177 | * | |
4178 | * Return the shift position of a filter field within the Compressed | |
4179 | * Filter Tuple. The filter field is specified via its selection bit | |
4180 | * within TP_VLAN_PRI_MAL (filter mode). E.g. F_VLAN. | |
4181 | */ | |
4182 | int t4_filter_field_shift(const struct adapter *adap, int filter_sel) | |
4183 | { | |
4184 | unsigned int filter_mode = adap->params.tp.vlan_pri_map; | |
4185 | unsigned int sel; | |
4186 | int field_shift; | |
4187 | ||
4188 | if ((filter_mode & filter_sel) == 0) | |
4189 | return -1; | |
4190 | ||
4191 | for (sel = 1, field_shift = 0; sel < filter_sel; sel <<= 1) { | |
4192 | switch (filter_mode & sel) { | |
4193 | case F_FCOE: | |
4194 | field_shift += W_FT_FCOE; | |
4195 | break; | |
4196 | case F_PORT: | |
4197 | field_shift += W_FT_PORT; | |
4198 | break; | |
4199 | case F_VNIC_ID: | |
4200 | field_shift += W_FT_VNIC_ID; | |
4201 | break; | |
4202 | case F_VLAN: | |
4203 | field_shift += W_FT_VLAN; | |
4204 | break; | |
4205 | case F_TOS: | |
4206 | field_shift += W_FT_TOS; | |
4207 | break; | |
4208 | case F_PROTOCOL: | |
4209 | field_shift += W_FT_PROTOCOL; | |
4210 | break; | |
4211 | case F_ETHERTYPE: | |
4212 | field_shift += W_FT_ETHERTYPE; | |
4213 | break; | |
4214 | case F_MACMATCH: | |
4215 | field_shift += W_FT_MACMATCH; | |
4216 | break; | |
4217 | case F_MPSHITTYPE: | |
4218 | field_shift += W_FT_MPSHITTYPE; | |
4219 | break; | |
4220 | case F_FRAGMENTATION: | |
4221 | field_shift += W_FT_FRAGMENTATION; | |
4222 | break; | |
4223 | } | |
4224 | } | |
4225 | return field_shift; | |
4226 | } | |
4227 | ||
91744948 | 4228 | int t4_port_init(struct adapter *adap, int mbox, int pf, int vf) |
56d36be4 DM |
4229 | { |
4230 | u8 addr[6]; | |
4231 | int ret, i, j = 0; | |
4232 | struct fw_port_cmd c; | |
f796564a | 4233 | struct fw_rss_vi_config_cmd rvc; |
56d36be4 DM |
4234 | |
4235 | memset(&c, 0, sizeof(c)); | |
f796564a | 4236 | memset(&rvc, 0, sizeof(rvc)); |
56d36be4 DM |
4237 | |
4238 | for_each_port(adap, i) { | |
4239 | unsigned int rss_size; | |
4240 | struct port_info *p = adap2pinfo(adap, i); | |
4241 | ||
4242 | while ((adap->params.portvec & (1 << j)) == 0) | |
4243 | j++; | |
4244 | ||
e2ac9628 HS |
4245 | c.op_to_portid = htonl(FW_CMD_OP_V(FW_PORT_CMD) | |
4246 | FW_CMD_REQUEST_F | FW_CMD_READ_F | | |
2b5fb1f2 | 4247 | FW_PORT_CMD_PORTID_V(j)); |
56d36be4 | 4248 | c.action_to_len16 = htonl( |
2b5fb1f2 | 4249 | FW_PORT_CMD_ACTION_V(FW_PORT_ACTION_GET_PORT_INFO) | |
56d36be4 DM |
4250 | FW_LEN16(c)); |
4251 | ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); | |
4252 | if (ret) | |
4253 | return ret; | |
4254 | ||
4255 | ret = t4_alloc_vi(adap, mbox, j, pf, vf, 1, addr, &rss_size); | |
4256 | if (ret < 0) | |
4257 | return ret; | |
4258 | ||
4259 | p->viid = ret; | |
4260 | p->tx_chan = j; | |
4261 | p->lport = j; | |
4262 | p->rss_size = rss_size; | |
4263 | memcpy(adap->port[i]->dev_addr, addr, ETH_ALEN); | |
40c9f8ab | 4264 | adap->port[i]->dev_port = j; |
56d36be4 DM |
4265 | |
4266 | ret = ntohl(c.u.info.lstatus_to_modtype); | |
2b5fb1f2 HS |
4267 | p->mdio_addr = (ret & FW_PORT_CMD_MDIOCAP_F) ? |
4268 | FW_PORT_CMD_MDIOADDR_G(ret) : -1; | |
4269 | p->port_type = FW_PORT_CMD_PTYPE_G(ret); | |
a0881cab | 4270 | p->mod_type = FW_PORT_MOD_TYPE_NA; |
56d36be4 | 4271 | |
e2ac9628 HS |
4272 | rvc.op_to_viid = htonl(FW_CMD_OP_V(FW_RSS_VI_CONFIG_CMD) | |
4273 | FW_CMD_REQUEST_F | FW_CMD_READ_F | | |
f796564a DM |
4274 | FW_RSS_VI_CONFIG_CMD_VIID(p->viid)); |
4275 | rvc.retval_len16 = htonl(FW_LEN16(rvc)); | |
4276 | ret = t4_wr_mbox(adap, mbox, &rvc, sizeof(rvc), &rvc); | |
4277 | if (ret) | |
4278 | return ret; | |
4279 | p->rss_mode = ntohl(rvc.u.basicvirtual.defaultq_to_udpen); | |
4280 | ||
56d36be4 DM |
4281 | init_link_config(&p->link_cfg, ntohs(c.u.info.pcap)); |
4282 | j++; | |
4283 | } | |
4284 | return 0; | |
4285 | } |