xref: /titanic_50/usr/src/uts/common/io/nxge/nxge_zcp.c (revision eab227978ccdaa5a7cc9fd92ace768915dae3a2b)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <nxge_impl.h>
29 #include <nxge_zcp.h>
30 #include <nxge_ipp.h>
31 
32 nxge_status_t
33 nxge_zcp_init(p_nxge_t nxgep)
34 {
35 	uint8_t portn;
36 	npi_handle_t handle;
37 	zcp_iconfig_t istatus;
38 	npi_status_t rs = NPI_SUCCESS;
39 	int i;
40 	zcp_ram_unit_t w_data;
41 	zcp_ram_unit_t r_data;
42 	uint32_t cfifo_depth;
43 
44 	handle = nxgep->npi_handle;
45 	portn = NXGE_GET_PORT_NUM(nxgep->function_num);
46 
47 	if (nxgep->niu_type == N2_NIU) {
48 		cfifo_depth = ZCP_NIU_CFIFO_DEPTH;
49 	} else if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
50 		if (portn < 2)
51 			cfifo_depth = ZCP_P0_P1_CFIFO_DEPTH;
52 		else
53 			cfifo_depth = ZCP_P2_P3_CFIFO_DEPTH;
54 	} else {
55 		goto fail;
56 	}
57 
58 	/* Clean up CFIFO */
59 	w_data.w0 = 0;
60 	w_data.w1 = 0;
61 	w_data.w2 = 0;
62 	w_data.w3 = 0;
63 	w_data.w4 = 0;
64 
65 	for (i = 0; i < cfifo_depth; i++) {
66 		if (npi_zcp_tt_cfifo_entry(handle, OP_SET,
67 		    portn, i, &w_data) != NPI_SUCCESS)
68 			goto fail;
69 		if (npi_zcp_tt_cfifo_entry(handle, OP_GET,
70 		    portn, i, &r_data) != NPI_SUCCESS)
71 			goto fail;
72 	}
73 
74 	if (npi_zcp_rest_cfifo_port(handle, portn) != NPI_SUCCESS)
75 		goto fail;
76 
77 	/*
78 	 * Making sure that error source is cleared if this is an injected
79 	 * error.
80 	 */
81 	switch (portn) {
82 	case 0:
83 		NXGE_REG_WR64(handle, ZCP_CFIFO_ECC_PORT0_REG, 0);
84 		break;
85 	case 1:
86 		NXGE_REG_WR64(handle, ZCP_CFIFO_ECC_PORT1_REG, 0);
87 		break;
88 	case 2:
89 		NXGE_REG_WR64(handle, ZCP_CFIFO_ECC_PORT2_REG, 0);
90 		break;
91 	case 3:
92 		NXGE_REG_WR64(handle, ZCP_CFIFO_ECC_PORT3_REG, 0);
93 		break;
94 	}
95 
96 	if ((rs = npi_zcp_clear_istatus(handle)) != NPI_SUCCESS)
97 		return (NXGE_ERROR | rs);
98 	if ((rs = npi_zcp_get_istatus(handle, &istatus)) != NPI_SUCCESS)
99 		return (NXGE_ERROR | rs);
100 	if ((rs = npi_zcp_iconfig(handle, INIT, ICFG_ZCP_ALL)) != NPI_SUCCESS)
101 		goto fail;
102 
103 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "==> nxge_zcp_init: port%d", portn));
104 	return (NXGE_OK);
105 
106 fail:
107 	NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
108 	    "nxge_zcp_init: Fail to initialize ZCP Port #%d\n", portn));
109 	return (NXGE_ERROR | rs);
110 }
111 
112 nxge_status_t
113 nxge_zcp_handle_sys_errors(p_nxge_t nxgep)
114 {
115 	npi_handle_t handle;
116 	npi_status_t rs = NPI_SUCCESS;
117 	p_nxge_zcp_stats_t statsp;
118 	uint8_t portn;
119 	zcp_iconfig_t istatus;
120 	boolean_t rxport_fatal = B_FALSE;
121 	nxge_status_t status = NXGE_OK;
122 
123 	handle = nxgep->npi_handle;
124 	statsp = (p_nxge_zcp_stats_t)&nxgep->statsp->zcp_stats;
125 	portn = nxgep->mac.portnum;
126 
127 	if ((rs = npi_zcp_get_istatus(handle, &istatus)) != NPI_SUCCESS)
128 		return (NXGE_ERROR | rs);
129 
130 	if (istatus & ICFG_ZCP_RRFIFO_UNDERRUN) {
131 		statsp->rrfifo_underrun++;
132 		NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
133 		    NXGE_FM_EREPORT_ZCP_RRFIFO_UNDERRUN);
134 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
135 		    "nxge_zcp_err_evnts: rrfifo_underrun"));
136 	}
137 
138 	if (istatus & ICFG_ZCP_RRFIFO_OVERRUN) {
139 		statsp->rrfifo_overrun++;
140 		NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
141 		    NXGE_FM_EREPORT_ZCP_RRFIFO_OVERRUN);
142 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
143 		    "nxge_zcp_err_evnts: buf_rrfifo_overrun"));
144 	}
145 
146 	if (istatus & ICFG_ZCP_RSPFIFO_UNCORR_ERR) {
147 		statsp->rspfifo_uncorr_err++;
148 		NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
149 		    NXGE_FM_EREPORT_ZCP_RSPFIFO_UNCORR_ERR);
150 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
151 		    "nxge_zcp_err_evnts: rspfifo_uncorr_err"));
152 	}
153 
154 	if (istatus & ICFG_ZCP_BUFFER_OVERFLOW) {
155 		statsp->buffer_overflow++;
156 		NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
157 		    NXGE_FM_EREPORT_ZCP_BUFFER_OVERFLOW);
158 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
159 		    "nxge_zcp_err_evnts: buffer_overflow"));
160 		rxport_fatal = B_TRUE;
161 	}
162 
163 	if (istatus & ICFG_ZCP_STAT_TBL_PERR) {
164 		statsp->stat_tbl_perr++;
165 		NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
166 		    NXGE_FM_EREPORT_ZCP_STAT_TBL_PERR);
167 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
168 		    "nxge_zcp_err_evnts: stat_tbl_perr"));
169 	}
170 
171 	if (istatus & ICFG_ZCP_DYN_TBL_PERR) {
172 		statsp->dyn_tbl_perr++;
173 		NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
174 		    NXGE_FM_EREPORT_ZCP_DYN_TBL_PERR);
175 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
176 		    "nxge_zcp_err_evnts: dyn_tbl_perr"));
177 	}
178 
179 	if (istatus & ICFG_ZCP_BUF_TBL_PERR) {
180 		statsp->buf_tbl_perr++;
181 		NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
182 		    NXGE_FM_EREPORT_ZCP_BUF_TBL_PERR);
183 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
184 		    "nxge_zcp_err_evnts: buf_tbl_perr"));
185 	}
186 
187 	if (istatus & ICFG_ZCP_TT_PROGRAM_ERR) {
188 		statsp->tt_program_err++;
189 		NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
190 		    NXGE_FM_EREPORT_ZCP_TT_PROGRAM_ERR);
191 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
192 		    "nxge_zcp_err_evnts: tt_program_err"));
193 	}
194 
195 	if (istatus & ICFG_ZCP_RSP_TT_INDEX_ERR) {
196 		statsp->rsp_tt_index_err++;
197 		NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
198 		    NXGE_FM_EREPORT_ZCP_RSP_TT_INDEX_ERR);
199 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
200 		    "nxge_zcp_err_evnts: rsp_tt_index_err"));
201 	}
202 
203 	if (istatus & ICFG_ZCP_SLV_TT_INDEX_ERR) {
204 		statsp->slv_tt_index_err++;
205 		NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
206 		    NXGE_FM_EREPORT_ZCP_SLV_TT_INDEX_ERR);
207 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
208 		    "nxge_zcp_err_evnts: slv_tt_index_err"));
209 	}
210 
211 	if (istatus & ICFG_ZCP_TT_INDEX_ERR) {
212 		statsp->zcp_tt_index_err++;
213 		NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
214 		    NXGE_FM_EREPORT_ZCP_TT_INDEX_ERR);
215 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
216 		    "nxge_zcp_err_evnts: tt_index_err"));
217 	}
218 
219 	if (((portn == 0) && (istatus & ICFG_ZCP_CFIFO_ECC0)) ||
220 	    ((portn == 1) && (istatus & ICFG_ZCP_CFIFO_ECC1)) ||
221 	    ((portn == 2) && (istatus & ICFG_ZCP_CFIFO_ECC2)) ||
222 	    ((portn == 3) && (istatus & ICFG_ZCP_CFIFO_ECC3))) {
223 		boolean_t ue_ecc_valid;
224 
225 		if ((status = nxge_ipp_eccue_valid_check(nxgep,
226 		    &ue_ecc_valid)) != NXGE_OK)
227 			return (status);
228 
229 		if (ue_ecc_valid) {
230 			statsp->cfifo_ecc++;
231 			NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
232 			    NXGE_FM_EREPORT_ZCP_CFIFO_ECC);
233 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
234 			    "nxge_zcp_err_evnts: port%d buf_cfifo_ecc",
235 			    portn));
236 			rxport_fatal = B_TRUE;
237 		}
238 	}
239 
240 	/*
241 	 * Making sure that error source is cleared if this is an injected
242 	 * error.
243 	 */
244 	switch (portn) {
245 	case 0:
246 		NXGE_REG_WR64(handle, ZCP_CFIFO_ECC_PORT0_REG, 0);
247 		break;
248 	case 1:
249 		NXGE_REG_WR64(handle, ZCP_CFIFO_ECC_PORT1_REG, 0);
250 		break;
251 	case 2:
252 		NXGE_REG_WR64(handle, ZCP_CFIFO_ECC_PORT2_REG, 0);
253 		break;
254 	case 3:
255 		NXGE_REG_WR64(handle, ZCP_CFIFO_ECC_PORT3_REG, 0);
256 		break;
257 	}
258 
259 	(void) npi_zcp_clear_istatus(handle);
260 
261 	if (rxport_fatal) {
262 		NXGE_DEBUG_MSG((nxgep, IPP_CTL,
263 		    " nxge_zcp_handle_sys_errors:"
264 		    " fatal Error on  Port #%d\n", portn));
265 		status = nxge_zcp_fatal_err_recover(nxgep);
266 		if (status == NXGE_OK) {
267 			FM_SERVICE_RESTORED(nxgep);
268 		}
269 	}
270 	return (status);
271 }
272 
273 void
274 nxge_zcp_inject_err(p_nxge_t nxgep, uint32_t err_id)
275 {
276 	zcp_int_stat_reg_t zcps;
277 	uint8_t portn = nxgep->mac.portnum;
278 	zcp_ecc_ctrl_t ecc_ctrl;
279 
280 	switch (err_id) {
281 	case NXGE_FM_EREPORT_ZCP_CFIFO_ECC:
282 		ecc_ctrl.value = 0;
283 		ecc_ctrl.bits.w0.cor_dbl = 1;
284 		ecc_ctrl.bits.w0.cor_lst = 1;
285 		ecc_ctrl.bits.w0.cor_all = 0;
286 		switch (portn) {
287 		case 0:
288 			cmn_err(CE_NOTE,
289 			    "!Write 0x%llx to port%d ZCP_CFIFO_ECC_PORT\n",
290 			    (unsigned long long) ecc_ctrl.value, portn);
291 			NXGE_REG_WR64(nxgep->npi_handle,
292 			    ZCP_CFIFO_ECC_PORT0_REG,
293 			    ecc_ctrl.value);
294 			break;
295 		case 1:
296 			cmn_err(CE_NOTE,
297 			    "!Write 0x%llx to port%d ZCP_CFIFO_ECC_PORT\n",
298 			    (unsigned long long) ecc_ctrl.value, portn);
299 			NXGE_REG_WR64(nxgep->npi_handle,
300 			    ZCP_CFIFO_ECC_PORT1_REG,
301 			    ecc_ctrl.value);
302 			break;
303 		case 2:
304 			cmn_err(CE_NOTE,
305 			    "!Write 0x%llx to port%d ZCP_CFIFO_ECC_PORT\n",
306 			    (unsigned long long) ecc_ctrl.value, portn);
307 			NXGE_REG_WR64(nxgep->npi_handle,
308 			    ZCP_CFIFO_ECC_PORT2_REG,
309 			    ecc_ctrl.value);
310 			break;
311 		case 3:
312 			cmn_err(CE_NOTE,
313 			    "!Write 0x%llx to port%d ZCP_CFIFO_ECC_PORT\n",
314 			    (unsigned long long) ecc_ctrl.value, portn);
315 			NXGE_REG_WR64(nxgep->npi_handle,
316 			    ZCP_CFIFO_ECC_PORT3_REG,
317 			    ecc_ctrl.value);
318 			break;
319 		}
320 		break;
321 
322 	case NXGE_FM_EREPORT_ZCP_RRFIFO_UNDERRUN:
323 	case NXGE_FM_EREPORT_ZCP_RSPFIFO_UNCORR_ERR:
324 	case NXGE_FM_EREPORT_ZCP_STAT_TBL_PERR:
325 	case NXGE_FM_EREPORT_ZCP_DYN_TBL_PERR:
326 	case NXGE_FM_EREPORT_ZCP_BUF_TBL_PERR:
327 	case NXGE_FM_EREPORT_ZCP_RRFIFO_OVERRUN:
328 	case NXGE_FM_EREPORT_ZCP_BUFFER_OVERFLOW:
329 	case NXGE_FM_EREPORT_ZCP_TT_PROGRAM_ERR:
330 	case NXGE_FM_EREPORT_ZCP_RSP_TT_INDEX_ERR:
331 	case NXGE_FM_EREPORT_ZCP_SLV_TT_INDEX_ERR:
332 	case NXGE_FM_EREPORT_ZCP_TT_INDEX_ERR:
333 		NXGE_REG_RD64(nxgep->npi_handle, ZCP_INT_STAT_TEST_REG,
334 		    &zcps.value);
335 		if (err_id == NXGE_FM_EREPORT_ZCP_RRFIFO_UNDERRUN)
336 			zcps.bits.ldw.rrfifo_urun = 1;
337 		if (err_id == NXGE_FM_EREPORT_ZCP_RSPFIFO_UNCORR_ERR)
338 			zcps.bits.ldw.rspfifo_uc_err = 1;
339 		if (err_id == NXGE_FM_EREPORT_ZCP_STAT_TBL_PERR)
340 			zcps.bits.ldw.stat_tbl_perr = 1;
341 		if (err_id == NXGE_FM_EREPORT_ZCP_DYN_TBL_PERR)
342 			zcps.bits.ldw.dyn_tbl_perr = 1;
343 		if (err_id == NXGE_FM_EREPORT_ZCP_BUF_TBL_PERR)
344 			zcps.bits.ldw.buf_tbl_perr = 1;
345 		if (err_id == NXGE_FM_EREPORT_ZCP_CFIFO_ECC) {
346 			switch (portn) {
347 			case 0:
348 				zcps.bits.ldw.cfifo_ecc0 = 1;
349 				break;
350 			case 1:
351 				zcps.bits.ldw.cfifo_ecc1 = 1;
352 				break;
353 			case 2:
354 				zcps.bits.ldw.cfifo_ecc2 = 1;
355 				break;
356 			case 3:
357 				zcps.bits.ldw.cfifo_ecc3 = 1;
358 				break;
359 			}
360 		}
361 
362 	default:
363 		if (err_id == NXGE_FM_EREPORT_ZCP_RRFIFO_OVERRUN)
364 			zcps.bits.ldw.rrfifo_orun = 1;
365 		if (err_id == NXGE_FM_EREPORT_ZCP_BUFFER_OVERFLOW)
366 			zcps.bits.ldw.buf_overflow = 1;
367 		if (err_id == NXGE_FM_EREPORT_ZCP_TT_PROGRAM_ERR)
368 			zcps.bits.ldw.tt_tbl_perr = 1;
369 		if (err_id == NXGE_FM_EREPORT_ZCP_RSP_TT_INDEX_ERR)
370 			zcps.bits.ldw.rsp_tt_index_err = 1;
371 		if (err_id == NXGE_FM_EREPORT_ZCP_SLV_TT_INDEX_ERR)
372 			zcps.bits.ldw.slv_tt_index_err = 1;
373 		if (err_id == NXGE_FM_EREPORT_ZCP_TT_INDEX_ERR)
374 			zcps.bits.ldw.zcp_tt_index_err = 1;
375 #if defined(__i386)
376 		cmn_err(CE_NOTE, "!Write 0x%llx to ZCP_INT_STAT_TEST_REG\n",
377 		    zcps.value);
378 #else
379 		cmn_err(CE_NOTE, "!Write 0x%lx to ZCP_INT_STAT_TEST_REG\n",
380 		    zcps.value);
381 #endif
382 		NXGE_REG_WR64(nxgep->npi_handle, ZCP_INT_STAT_TEST_REG,
383 		    zcps.value);
384 		break;
385 	}
386 }
387 
388 nxge_status_t
389 nxge_zcp_fatal_err_recover(p_nxge_t nxgep)
390 {
391 	npi_handle_t handle;
392 	npi_status_t rs = NPI_SUCCESS;
393 	nxge_status_t status = NXGE_OK;
394 	uint8_t portn;
395 	zcp_ram_unit_t w_data;
396 	zcp_ram_unit_t r_data;
397 	uint32_t cfifo_depth;
398 	int i;
399 
400 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "<== nxge_zcp_fatal_err_recover"));
401 	NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
402 	    "Recovering from RxPort error..."));
403 
404 	handle = nxgep->npi_handle;
405 	portn = nxgep->mac.portnum;
406 
407 	/* Disable RxMAC */
408 	if (nxge_rx_mac_disable(nxgep) != NXGE_OK)
409 		goto fail;
410 
411 	/* Make sure source is clear if this is an injected error */
412 	switch (portn) {
413 	case 0:
414 		NXGE_REG_WR64(handle, ZCP_CFIFO_ECC_PORT0_REG, 0);
415 		break;
416 	case 1:
417 		NXGE_REG_WR64(handle, ZCP_CFIFO_ECC_PORT1_REG, 0);
418 		break;
419 	case 2:
420 		NXGE_REG_WR64(handle, ZCP_CFIFO_ECC_PORT2_REG, 0);
421 		break;
422 	case 3:
423 		NXGE_REG_WR64(handle, ZCP_CFIFO_ECC_PORT3_REG, 0);
424 		break;
425 	}
426 
427 	/* Clear up CFIFO */
428 	if (nxgep->niu_type == N2_NIU) {
429 		cfifo_depth = ZCP_NIU_CFIFO_DEPTH;
430 	} else if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
431 		if (portn < 2)
432 			cfifo_depth = ZCP_P0_P1_CFIFO_DEPTH;
433 		else
434 			cfifo_depth = ZCP_P2_P3_CFIFO_DEPTH;
435 	} else {
436 		goto fail;
437 	}
438 
439 	w_data.w0 = 0;
440 	w_data.w1 = 0;
441 	w_data.w2 = 0;
442 	w_data.w3 = 0;
443 	w_data.w4 = 0;
444 
445 	for (i = 0; i < cfifo_depth; i++) {
446 		if (npi_zcp_tt_cfifo_entry(handle, OP_SET,
447 		    portn, i, &w_data) != NPI_SUCCESS)
448 			goto fail;
449 		if (npi_zcp_tt_cfifo_entry(handle, OP_GET,
450 		    portn, i, &r_data) != NPI_SUCCESS)
451 			goto fail;
452 	}
453 
454 	/* When recovering from ZCP, RxDMA channel resets are not necessary */
455 	/* Reset ZCP CFIFO */
456 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "port%d Reset ZCP CFIFO...", portn));
457 	if ((rs = npi_zcp_rest_cfifo_port(handle, portn)) != NPI_SUCCESS)
458 		goto fail;
459 
460 	/* Reset IPP */
461 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "port%d Reset IPP...", portn));
462 	if ((rs = npi_ipp_reset(handle, portn)) != NPI_SUCCESS)
463 		goto fail;
464 
465 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "port%d Reset RxMAC...", portn));
466 	if (nxge_rx_mac_reset(nxgep) != NXGE_OK)
467 		goto fail;
468 
469 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "port%d Initialize RxMAC...", portn));
470 	if ((status = nxge_rx_mac_init(nxgep)) != NXGE_OK)
471 		goto fail;
472 
473 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "port%d Enable RxMAC...", portn));
474 	if (nxge_rx_mac_enable(nxgep) != NXGE_OK)
475 		goto fail;
476 
477 	NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
478 	    "Recovery Sucessful, RxPort Restored"));
479 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "==> nxge_zcp_fatal_err_recover"));
480 	return (NXGE_OK);
481 fail:
482 	NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "Recovery failed"));
483 	return (status | rs);
484 }
485