xref: /titanic_41/usr/src/uts/sun4u/io/px/px_err.c (revision ba2e4443695ee6a6f420a35cd4fc3d3346d22932)
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 2006 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 /*
29  * sun4u Fire Error Handling
30  */
31 
32 #include <sys/types.h>
33 #include <sys/ddi.h>
34 #include <sys/sunddi.h>
35 #include <sys/fm/protocol.h>
36 #include <sys/fm/util.h>
37 #include <sys/pcie.h>
38 #include <sys/pcie_impl.h>
39 #include "px_obj.h"
40 #include <px_regs.h>
41 #include <px_csr.h>
42 #include <sys/membar.h>
43 #include <sys/machcpuvar.h>
44 #include <sys/platform_module.h>
45 #include "pcie_pwr.h"
46 #include "px_lib4u.h"
47 #include "px_err.h"
48 #include "px_err_impl.h"
49 #include "oberon_regs.h"
50 
51 uint64_t px_tlu_ue_intr_mask	= PX_ERR_EN_ALL;
52 uint64_t px_tlu_ue_log_mask	= PX_ERR_EN_ALL;
53 uint64_t px_tlu_ue_count_mask	= PX_ERR_EN_ALL;
54 
55 uint64_t px_tlu_ce_intr_mask	= PX_ERR_MASK_NONE;
56 uint64_t px_tlu_ce_log_mask	= PX_ERR_MASK_NONE;
57 uint64_t px_tlu_ce_count_mask	= PX_ERR_MASK_NONE;
58 
59 /*
60  * Do not enable Link Interrupts
61  */
62 uint64_t px_tlu_oe_intr_mask	= PX_ERR_EN_ALL & ~0x80000000800;
63 uint64_t px_tlu_oe_log_mask	= PX_ERR_EN_ALL & ~0x80000000800;
64 uint64_t px_tlu_oe_count_mask	= PX_ERR_EN_ALL;
65 
66 uint64_t px_mmu_intr_mask	= PX_ERR_EN_ALL;
67 uint64_t px_mmu_log_mask	= PX_ERR_EN_ALL;
68 uint64_t px_mmu_count_mask	= PX_ERR_EN_ALL;
69 
70 uint64_t px_imu_intr_mask	= PX_ERR_EN_ALL;
71 uint64_t px_imu_log_mask	= PX_ERR_EN_ALL;
72 uint64_t px_imu_count_mask	= PX_ERR_EN_ALL;
73 
74 /*
75  * (1ull << ILU_INTERRUPT_ENABLE_IHB_PE_S) |
76  * (1ull << ILU_INTERRUPT_ENABLE_IHB_PE_P);
77  */
78 uint64_t px_ilu_intr_mask	= (((uint64_t)0x10 << 32) | 0x10);
79 uint64_t px_ilu_log_mask	= (((uint64_t)0x10 << 32) | 0x10);
80 uint64_t px_ilu_count_mask	= PX_ERR_EN_ALL;
81 
82 uint64_t px_ubc_intr_mask	= PX_ERR_EN_ALL;
83 uint64_t px_ubc_log_mask		= PX_ERR_EN_ALL;
84 uint64_t px_ubc_count_mask	= PX_ERR_EN_ALL;
85 
86 uint64_t px_jbc_intr_mask	= PX_ERR_EN_ALL;
87 uint64_t px_jbc_log_mask		= PX_ERR_EN_ALL;
88 uint64_t px_jbc_count_mask	= PX_ERR_EN_ALL;
89 
90 /*
91  * LPU Intr Registers are reverse encoding from the registers above.
92  * 1 = disable
93  * 0 = enable
94  *
95  * Log and Count are however still the same.
96  */
97 uint64_t px_lpul_intr_mask	= LPU_INTR_DISABLE;
98 uint64_t px_lpul_log_mask	= PX_ERR_EN_ALL;
99 uint64_t px_lpul_count_mask	= PX_ERR_EN_ALL;
100 
101 uint64_t px_lpup_intr_mask	= LPU_INTR_DISABLE;
102 uint64_t px_lpup_log_mask	= PX_ERR_EN_ALL;
103 uint64_t px_lpup_count_mask	= PX_ERR_EN_ALL;
104 
105 uint64_t px_lpur_intr_mask	= LPU_INTR_DISABLE;
106 uint64_t px_lpur_log_mask	= PX_ERR_EN_ALL;
107 uint64_t px_lpur_count_mask	= PX_ERR_EN_ALL;
108 
109 uint64_t px_lpux_intr_mask	= LPU_INTR_DISABLE;
110 uint64_t px_lpux_log_mask	= PX_ERR_EN_ALL;
111 uint64_t px_lpux_count_mask	= PX_ERR_EN_ALL;
112 
113 uint64_t px_lpus_intr_mask	= LPU_INTR_DISABLE;
114 uint64_t px_lpus_log_mask	= PX_ERR_EN_ALL;
115 uint64_t px_lpus_count_mask	= PX_ERR_EN_ALL;
116 
117 uint64_t px_lpug_intr_mask	= LPU_INTR_DISABLE;
118 uint64_t px_lpug_log_mask	= PX_ERR_EN_ALL;
119 uint64_t px_lpug_count_mask	= PX_ERR_EN_ALL;
120 
121 /*
122  * JBC error bit table
123  */
124 #define	JBC_BIT_DESC(bit, hdl, erpt) \
125 	JBC_INTERRUPT_STATUS_ ## bit ## _P, \
126 	0, \
127 	PX_ERR_BIT_HANDLE(hdl), \
128 	PX_ERPT_SEND(erpt), \
129 	PX_ERR_JBC_CLASS(bit) }, \
130 	{ JBC_INTERRUPT_STATUS_ ## bit ## _S, \
131 	0, \
132 	PX_ERR_BIT_HANDLE(hdl), \
133 	PX_ERPT_SEND(erpt), \
134 	PX_ERR_JBC_CLASS(bit)
135 px_err_bit_desc_t px_err_jbc_tbl[] = {
136 	/* JBC FATAL - see io erpt doc, section 1.1 */
137 	{ JBC_BIT_DESC(MB_PEA,	fatal_hw,	jbc_fatal) },
138 	{ JBC_BIT_DESC(CPE,	fatal_hw,	jbc_fatal) },
139 	{ JBC_BIT_DESC(APE,	fatal_hw,	jbc_fatal) },
140 	{ JBC_BIT_DESC(PIO_CPE,	fatal_hw,	jbc_fatal) },
141 	{ JBC_BIT_DESC(JTCEEW,	fatal_hw,	jbc_fatal) },
142 	{ JBC_BIT_DESC(JTCEEI,	fatal_hw,	jbc_fatal) },
143 	{ JBC_BIT_DESC(JTCEER,	fatal_hw,	jbc_fatal) },
144 
145 	/* JBC MERGE - see io erpt doc, section 1.2 */
146 	{ JBC_BIT_DESC(MB_PER,	jbc_merge,	jbc_merge) },
147 	{ JBC_BIT_DESC(MB_PEW,	jbc_merge,	jbc_merge) },
148 
149 	/* JBC Jbusint IN - see io erpt doc, section 1.3 */
150 	{ JBC_BIT_DESC(UE_ASYN,	fatal_gos,	jbc_in) },
151 	{ JBC_BIT_DESC(CE_ASYN,	non_fatal,	jbc_in) },
152 	{ JBC_BIT_DESC(JTE,	fatal_gos,	jbc_in) },
153 	{ JBC_BIT_DESC(JBE,	jbc_jbusint_in,	jbc_in) },
154 	{ JBC_BIT_DESC(JUE,	jbc_jbusint_in,	jbc_in) },
155 	{ JBC_BIT_DESC(ICISE,	fatal_gos,	jbc_in) },
156 	{ JBC_BIT_DESC(WR_DPE,	jbc_jbusint_in,	jbc_in) },
157 	{ JBC_BIT_DESC(RD_DPE,	jbc_jbusint_in,	jbc_in) },
158 	{ JBC_BIT_DESC(ILL_BMW,	jbc_jbusint_in,	jbc_in) },
159 	{ JBC_BIT_DESC(ILL_BMR,	jbc_jbusint_in,	jbc_in) },
160 	{ JBC_BIT_DESC(BJC,	jbc_jbusint_in,	jbc_in) },
161 
162 	/* JBC Jbusint Out - see io erpt doc, section 1.4 */
163 	{ JBC_BIT_DESC(IJP,	fatal_gos,	jbc_out) },
164 
165 	/*
166 	 * JBC Dmcint ODCD - see io erpt doc, section 1.5
167 	 *
168 	 * Error bits which can be set via a bad PCItool access go through
169 	 * jbc_safe_acc instead.
170 	 */
171 	{ JBC_BIT_DESC(PIO_UNMAP_RD,	jbc_safe_acc,		jbc_odcd) },
172 	{ JBC_BIT_DESC(ILL_ACC_RD,	jbc_safe_acc,		jbc_odcd) },
173 	{ JBC_BIT_DESC(PIO_UNMAP,	jbc_safe_acc,		jbc_odcd) },
174 	{ JBC_BIT_DESC(PIO_DPE,		jbc_dmcint_odcd,	jbc_odcd) },
175 	{ JBC_BIT_DESC(PIO_CPE,		non_fatal,		jbc_odcd) },
176 	{ JBC_BIT_DESC(ILL_ACC,		jbc_safe_acc,		jbc_odcd) },
177 
178 	/* JBC Dmcint IDC - see io erpt doc, section 1.6 */
179 	{ JBC_BIT_DESC(UNSOL_RD,	non_fatal,	jbc_idc) },
180 	{ JBC_BIT_DESC(UNSOL_INTR,	non_fatal,	jbc_idc) },
181 
182 	/* JBC CSR - see io erpt doc, section 1.7 */
183 	{ JBC_BIT_DESC(EBUS_TO,	jbc_csr,	jbc_csr) }
184 };
185 
186 #define	px_err_jbc_keys \
187 	(sizeof (px_err_jbc_tbl)) / (sizeof (px_err_bit_desc_t))
188 
189 /*
190  * UBC error bit table
191  */
192 #define	UBC_BIT_DESC(bit, hdl, erpt) \
193 	UBC_INTERRUPT_STATUS_ ## bit ## _P, \
194 	0, \
195 	PX_ERR_BIT_HANDLE(hdl), \
196 	PX_ERPT_SEND(erpt), \
197 	PX_ERR_UBC_CLASS(bit) }, \
198 	{ UBC_INTERRUPT_STATUS_ ## bit ## _S, \
199 	0, \
200 	PX_ERR_BIT_HANDLE(hdl), \
201 	PX_ERPT_SEND(erpt), \
202 	PX_ERR_UBC_CLASS(bit)
203 px_err_bit_desc_t px_err_ubc_tbl[] = {
204 	/* UBC FATAL  */
205 	{ UBC_BIT_DESC(DMARDUEA,	non_fatal,	ubc_fatal) },
206 	{ UBC_BIT_DESC(DMAWTUEA,	fatal_sw,	ubc_fatal) },
207 	{ UBC_BIT_DESC(MEMRDAXA,	fatal_sw,	ubc_fatal) },
208 	{ UBC_BIT_DESC(MEMWTAXA,	fatal_sw,	ubc_fatal) },
209 	{ UBC_BIT_DESC(DMARDUEB,	non_fatal,	ubc_fatal) },
210 	{ UBC_BIT_DESC(DMAWTUEB,	fatal_sw,	ubc_fatal) },
211 	{ UBC_BIT_DESC(MEMRDAXB,	fatal_sw,	ubc_fatal) },
212 	{ UBC_BIT_DESC(MEMWTAXB,	fatal_sw,	ubc_fatal) },
213 	{ UBC_BIT_DESC(PIOWTUE,		fatal_sw,	ubc_fatal) },
214 	{ UBC_BIT_DESC(PIOWBEUE,	fatal_sw,	ubc_fatal) },
215 	{ UBC_BIT_DESC(PIORBEUE,	fatal_sw,	ubc_fatal) }
216 };
217 
218 #define	px_err_ubc_keys \
219 	(sizeof (px_err_ubc_tbl)) / (sizeof (px_err_bit_desc_t))
220 
221 
222 char *ubc_class_eid_qualifier[] = {
223 	"-mem",
224 	"-channel",
225 	"-cpu",
226 	"-path"
227 };
228 
229 
230 /*
231  * DMC error bit tables
232  */
233 #define	IMU_BIT_DESC(bit, hdl, erpt) \
234 	IMU_INTERRUPT_STATUS_ ## bit ## _P, \
235 	0, \
236 	PX_ERR_BIT_HANDLE(hdl), \
237 	PX_ERPT_SEND(erpt), \
238 	PX_ERR_DMC_CLASS(bit) }, \
239 	{ IMU_INTERRUPT_STATUS_ ## bit ## _S, \
240 	0, \
241 	PX_ERR_BIT_HANDLE(hdl), \
242 	PX_ERPT_SEND(erpt), \
243 	PX_ERR_DMC_CLASS(bit)
244 px_err_bit_desc_t px_err_imu_tbl[] = {
245 	/* DMC IMU RDS - see io erpt doc, section 2.1 */
246 	{ IMU_BIT_DESC(MSI_MAL_ERR,		non_fatal,	imu_rds) },
247 	{ IMU_BIT_DESC(MSI_PAR_ERR,		fatal_stuck,	imu_rds) },
248 	{ IMU_BIT_DESC(PMEACK_MES_NOT_EN,	imu_rbne,	imu_rds) },
249 	{ IMU_BIT_DESC(PMPME_MES_NOT_EN,	imu_pme,	imu_rds) },
250 	{ IMU_BIT_DESC(FATAL_MES_NOT_EN,	imu_rbne,	imu_rds) },
251 	{ IMU_BIT_DESC(NONFATAL_MES_NOT_EN,	imu_rbne,	imu_rds) },
252 	{ IMU_BIT_DESC(COR_MES_NOT_EN,		imu_rbne,	imu_rds) },
253 	{ IMU_BIT_DESC(MSI_NOT_EN,		imu_rbne,	imu_rds) },
254 
255 	/* DMC IMU SCS - see io erpt doc, section 2.2 */
256 	{ IMU_BIT_DESC(EQ_NOT_EN,		imu_rbne,	imu_rds) },
257 
258 	/* DMC IMU - see io erpt doc, section 2.3 */
259 	{ IMU_BIT_DESC(EQ_OVER,			imu_eq_ovfl,	imu) }
260 };
261 
262 #define	px_err_imu_keys (sizeof (px_err_imu_tbl)) / (sizeof (px_err_bit_desc_t))
263 
264 /* mmu errors */
265 #define	MMU_BIT_DESC(bit, hdl, erpt) \
266 	MMU_INTERRUPT_STATUS_ ## bit ## _P, \
267 	0, \
268 	PX_ERR_BIT_HANDLE(hdl), \
269 	PX_ERPT_SEND(erpt), \
270 	PX_ERR_DMC_CLASS(bit) }, \
271 	{ MMU_INTERRUPT_STATUS_ ## bit ## _S, \
272 	0, \
273 	PX_ERR_BIT_HANDLE(hdl), \
274 	PX_ERPT_SEND(erpt), \
275 	PX_ERR_DMC_CLASS(bit)
276 px_err_bit_desc_t px_err_mmu_tbl[] = {
277 	/* DMC MMU TFAR/TFSR - see io erpt doc, section 2.4 */
278 	{ MMU_BIT_DESC(BYP_ERR,		mmu_rbne,	mmu_tfar_tfsr) },
279 	{ MMU_BIT_DESC(BYP_OOR,		mmu_tfa,	mmu_tfar_tfsr) },
280 	{ MMU_BIT_DESC(TRN_ERR,		mmu_rbne,	mmu_tfar_tfsr) },
281 	{ MMU_BIT_DESC(TRN_OOR,		mmu_tfa,	mmu_tfar_tfsr) },
282 	{ MMU_BIT_DESC(TTE_INV,		mmu_tfa,	mmu_tfar_tfsr) },
283 	{ MMU_BIT_DESC(TTE_PRT,		mmu_tfa,	mmu_tfar_tfsr) },
284 	{ MMU_BIT_DESC(TTC_DPE,		mmu_tfa,	mmu_tfar_tfsr) },
285 	{ MMU_BIT_DESC(TBW_DME,		mmu_tblwlk,	mmu_tfar_tfsr) },
286 	{ MMU_BIT_DESC(TBW_UDE,		mmu_tblwlk,	mmu_tfar_tfsr) },
287 	{ MMU_BIT_DESC(TBW_ERR,		mmu_tblwlk,	mmu_tfar_tfsr) },
288 	{ MMU_BIT_DESC(TBW_DPE,		mmu_tblwlk,	mmu_tfar_tfsr) },
289 
290 	/* DMC MMU - see io erpt doc, section 2.5 */
291 	{ MMU_BIT_DESC(TTC_CAE,		non_fatal,	mmu) }
292 };
293 #define	px_err_mmu_keys (sizeof (px_err_mmu_tbl)) / (sizeof (px_err_bit_desc_t))
294 
295 
296 /*
297  * PEC error bit tables
298  */
299 #define	ILU_BIT_DESC(bit, hdl, erpt) \
300 	ILU_INTERRUPT_STATUS_ ## bit ## _P, \
301 	0, \
302 	PX_ERR_BIT_HANDLE(hdl), \
303 	PX_ERPT_SEND(erpt), \
304 	PX_ERR_PEC_CLASS(bit) }, \
305 	{ ILU_INTERRUPT_STATUS_ ## bit ## _S, \
306 	0, \
307 	PX_ERR_BIT_HANDLE(hdl), \
308 	PX_ERPT_SEND(erpt), \
309 	PX_ERR_PEC_CLASS(bit)
310 px_err_bit_desc_t px_err_ilu_tbl[] = {
311 	/* PEC ILU none - see io erpt doc, section 3.1 */
312 	{ ILU_BIT_DESC(IHB_PE,		fatal_gos,	pec_ilu) }
313 };
314 #define	px_err_ilu_keys \
315 	(sizeof (px_err_ilu_tbl)) / (sizeof (px_err_bit_desc_t))
316 
317 /*
318  * PEC UE errors implementation is incomplete pending PCIE generic
319  * fabric rules.  Must handle both PRIMARY and SECONDARY errors.
320  */
321 /* pec ue errors */
322 #define	TLU_UC_BIT_DESC(bit, hdl, erpt) \
323 	TLU_UNCORRECTABLE_ERROR_STATUS_CLEAR_ ## bit ## _P, \
324 	0, \
325 	PX_ERR_BIT_HANDLE(hdl), \
326 	PX_ERPT_SEND(erpt), \
327 	PX_ERR_PEC_CLASS(bit) }, \
328 	{ TLU_UNCORRECTABLE_ERROR_STATUS_CLEAR_ ## bit ## _S, \
329 	0, \
330 	PX_ERR_BIT_HANDLE(hdl), \
331 	PX_ERPT_SEND(erpt), \
332 	PX_ERR_PEC_CLASS(bit)
333 #define	TLU_UC_OB_BIT_DESC(bit, hdl, erpt) \
334 	TLU_UNCORRECTABLE_ERROR_STATUS_CLEAR_ ## bit ## _P, \
335 	0, \
336 	PX_ERR_BIT_HANDLE(hdl), \
337 	PX_ERPT_SEND(erpt), \
338 	PX_ERR_PEC_OB_CLASS(bit) }, \
339 	{ TLU_UNCORRECTABLE_ERROR_STATUS_CLEAR_ ## bit ## _S, \
340 	0, \
341 	PX_ERR_BIT_HANDLE(hdl), \
342 	PX_ERPT_SEND(erpt), \
343 	PX_ERR_PEC_CLASS(bit)
344 px_err_bit_desc_t px_err_tlu_ue_tbl[] = {
345 	/* PCI-E Receive Uncorrectable Errors - see io erpt doc, section 3.2 */
346 	{ TLU_UC_BIT_DESC(UR,		pciex_ue,	pciex_rx_ue) },
347 	{ TLU_UC_BIT_DESC(UC,		pciex_ue,	pciex_rx_ue) },
348 
349 	/* PCI-E Transmit Uncorrectable Errors - see io erpt doc, section 3.3 */
350 	{ TLU_UC_OB_BIT_DESC(ECRC,	pciex_ue,	pciex_rx_ue) },
351 	{ TLU_UC_BIT_DESC(CTO,		pciex_ue,	pciex_tx_ue) },
352 	{ TLU_UC_BIT_DESC(ROF,		pciex_ue,	pciex_tx_ue) },
353 
354 	/* PCI-E Rx/Tx Uncorrectable Errors - see io erpt doc, section 3.4 */
355 	{ TLU_UC_BIT_DESC(MFP,		pciex_ue,	pciex_rx_tx_ue) },
356 	{ TLU_UC_BIT_DESC(PP,		pciex_ue,	pciex_rx_tx_ue) },
357 
358 	/* Other PCI-E Uncorrectable Errors - see io erpt doc, section 3.5 */
359 	{ TLU_UC_BIT_DESC(FCP,		pciex_ue,	pciex_ue) },
360 	{ TLU_UC_BIT_DESC(DLP,		pciex_ue,	pciex_ue) },
361 	{ TLU_UC_BIT_DESC(TE,		pciex_ue,	pciex_ue) },
362 
363 	/* Not used */
364 	{ TLU_UC_BIT_DESC(CA,		pciex_ue,	do_not) }
365 };
366 #define	px_err_tlu_ue_keys \
367 	(sizeof (px_err_tlu_ue_tbl)) / (sizeof (px_err_bit_desc_t))
368 
369 
370 /*
371  * PEC CE errors implementation is incomplete pending PCIE generic
372  * fabric rules.
373  */
374 /* pec ce errors */
375 #define	TLU_CE_BIT_DESC(bit, hdl, erpt) \
376 	TLU_CORRECTABLE_ERROR_STATUS_CLEAR_ ## bit ## _P, \
377 	0, \
378 	PX_ERR_BIT_HANDLE(hdl), \
379 	PX_ERPT_SEND(erpt), \
380 	PX_ERR_PEC_CLASS(bit) }, \
381 	{ TLU_CORRECTABLE_ERROR_STATUS_CLEAR_ ## bit ## _S, \
382 	0, \
383 	PX_ERR_BIT_HANDLE(hdl), \
384 	PX_ERPT_SEND(erpt), \
385 	PX_ERR_PEC_CLASS(bit)
386 px_err_bit_desc_t px_err_tlu_ce_tbl[] = {
387 	/* PCI-E Correctable Errors - see io erpt doc, section 3.6 */
388 	{ TLU_CE_BIT_DESC(RTO,		pciex_ce,	pciex_ce) },
389 	{ TLU_CE_BIT_DESC(RNR,		pciex_ce,	pciex_ce) },
390 	{ TLU_CE_BIT_DESC(BDP,		pciex_ce,	pciex_ce) },
391 	{ TLU_CE_BIT_DESC(BTP,		pciex_ce,	pciex_ce) },
392 	{ TLU_CE_BIT_DESC(RE,		pciex_ce,	pciex_ce) }
393 };
394 #define	px_err_tlu_ce_keys \
395 	(sizeof (px_err_tlu_ce_tbl)) / (sizeof (px_err_bit_desc_t))
396 
397 
398 /* pec oe errors */
399 #define	TLU_OE_BIT_DESC(bit, hdl, erpt) \
400 	TLU_OTHER_EVENT_STATUS_CLEAR_ ## bit ## _P, \
401 	0, \
402 	PX_ERR_BIT_HANDLE(hdl), \
403 	PX_ERPT_SEND(erpt), \
404 	PX_ERR_PEC_CLASS(bit) }, \
405 	{ TLU_OTHER_EVENT_STATUS_CLEAR_ ## bit ## _S, \
406 	0, \
407 	PX_ERR_BIT_HANDLE(hdl), \
408 	PX_ERPT_SEND(erpt), \
409 	PX_ERR_PEC_CLASS(bit)
410 #define	TLU_OE_OB_BIT_DESC(bit, hdl, erpt) \
411 	TLU_OTHER_EVENT_STATUS_CLEAR_ ## bit ## _P, \
412 	0, \
413 	PX_ERR_BIT_HANDLE(hdl), \
414 	PX_ERPT_SEND(erpt), \
415 	PX_ERR_PEC_OB_CLASS(bit) }, \
416 	{ TLU_OTHER_EVENT_STATUS_CLEAR_ ## bit ## _S, \
417 	0, \
418 	PX_ERR_BIT_HANDLE(hdl), \
419 	PX_ERPT_SEND(erpt), \
420 	PX_ERR_PEC_OB_CLASS(bit)
421 px_err_bit_desc_t px_err_tlu_oe_tbl[] = {
422 	/*
423 	 * TLU Other Event Status (receive only) - see io erpt doc, section 3.7
424 	 */
425 	{ TLU_OE_BIT_DESC(MRC,		fatal_hw,	pciex_rx_oe) },
426 
427 	/* TLU Other Event Status (rx + tx) - see io erpt doc, section 3.8 */
428 	{ TLU_OE_BIT_DESC(WUC,		non_fatal,	pciex_rx_tx_oe) },
429 	{ TLU_OE_BIT_DESC(RUC,		non_fatal,	pciex_rx_tx_oe) },
430 	{ TLU_OE_BIT_DESC(CRS,		non_fatal,	pciex_rx_tx_oe) },
431 
432 	/* TLU Other Event - see io erpt doc, section 3.9 */
433 	{ TLU_OE_BIT_DESC(IIP,		fatal_gos,	pciex_oe) },
434 	{ TLU_OE_BIT_DESC(EDP,		fatal_gos,	pciex_oe) },
435 	{ TLU_OE_BIT_DESC(EHP,		fatal_gos,	pciex_oe) },
436 	{ TLU_OE_OB_BIT_DESC(TLUEITMO,	fatal_gos,	pciex_oe) },
437 	{ TLU_OE_BIT_DESC(LIN,		non_fatal,	pciex_oe) },
438 	{ TLU_OE_BIT_DESC(LRS,		non_fatal,	pciex_oe) },
439 	{ TLU_OE_BIT_DESC(LDN,		tlu_ldn,	pciex_oe) },
440 	{ TLU_OE_BIT_DESC(LUP,		tlu_lup,	pciex_oe) },
441 	{ TLU_OE_BIT_DESC(ERU,		fatal_gos,	pciex_oe) },
442 	{ TLU_OE_BIT_DESC(ERO,		fatal_gos,	pciex_oe) },
443 	{ TLU_OE_BIT_DESC(EMP,		fatal_gos,	pciex_oe) },
444 	{ TLU_OE_BIT_DESC(EPE,		fatal_gos,	pciex_oe) },
445 	{ TLU_OE_BIT_DESC(ERP,		fatal_gos,	pciex_oe) },
446 	{ TLU_OE_BIT_DESC(EIP,		fatal_gos,	pciex_oe) }
447 };
448 
449 #define	px_err_tlu_oe_keys \
450 	(sizeof (px_err_tlu_oe_tbl)) / (sizeof (px_err_bit_desc_t))
451 
452 
453 /*
454  * All the following tables below are for LPU Interrupts.  These interrupts
455  * are *NOT* error interrupts, but event status interrupts.
456  *
457  * These events are probably of most interest to:
458  * o Hotplug
459  * o Power Management
460  * o etc...
461  *
462  * There are also a few events that would be interresting for FMA.
463  * Again none of the regiseters below state that an error has occured
464  * or that data has been lost.  If anything, they give status that an
465  * error is *about* to occur.  examples
466  * o INT_SKP_ERR - indicates clock between fire and child is too far
467  *		   off and is most unlikely able to compensate
468  * o INT_TX_PAR_ERR - A parity error occured in ONE lane.  This is
469  *		      HW recoverable, but will like end up as a future
470  *		      fabric error as well.
471  *
472  * For now, we don't care about any of these errors and should be ignore,
473  * but cleared.
474  */
475 
476 /* LPU Link Interrupt Table */
477 #define	LPUL_BIT_DESC(bit, hdl, erpt) \
478 	LPU_LINK_LAYER_INTERRUPT_AND_STATUS_INT_ ## bit, \
479 	0, \
480 	NULL, \
481 	NULL, \
482 	""
483 px_err_bit_desc_t px_err_lpul_tbl[] = {
484 	{ LPUL_BIT_DESC(LINK_ERR_ACT,	NULL,		NULL) }
485 };
486 #define	px_err_lpul_keys \
487 	(sizeof (px_err_lpul_tbl)) / (sizeof (px_err_bit_desc_t))
488 
489 /* LPU Physical Interrupt Table */
490 #define	LPUP_BIT_DESC(bit, hdl, erpt) \
491 	LPU_PHY_LAYER_INTERRUPT_AND_STATUS_INT_ ## bit, \
492 	0, \
493 	NULL, \
494 	NULL, \
495 	""
496 px_err_bit_desc_t px_err_lpup_tbl[] = {
497 	{ LPUP_BIT_DESC(PHY_LAYER_ERR,	NULL,		NULL) }
498 };
499 #define	px_err_lpup_keys \
500 	(sizeof (px_err_lpup_tbl)) / (sizeof (px_err_bit_desc_t))
501 
502 /* LPU Receive Interrupt Table */
503 #define	LPUR_BIT_DESC(bit, hdl, erpt) \
504 	LPU_RECEIVE_PHY_INTERRUPT_AND_STATUS_INT_ ## bit, \
505 	0, \
506 	NULL, \
507 	NULL, \
508 	""
509 px_err_bit_desc_t px_err_lpur_tbl[] = {
510 	{ LPUR_BIT_DESC(RCV_PHY,	NULL,		NULL) }
511 };
512 #define	px_err_lpur_keys \
513 	(sizeof (px_err_lpur_tbl)) / (sizeof (px_err_bit_desc_t))
514 
515 /* LPU Transmit Interrupt Table */
516 #define	LPUX_BIT_DESC(bit, hdl, erpt) \
517 	LPU_TRANSMIT_PHY_INTERRUPT_AND_STATUS_INT_ ## bit, \
518 	0, \
519 	NULL, \
520 	NULL, \
521 	""
522 px_err_bit_desc_t px_err_lpux_tbl[] = {
523 	{ LPUX_BIT_DESC(UNMSK,		NULL,		NULL) }
524 };
525 #define	px_err_lpux_keys \
526 	(sizeof (px_err_lpux_tbl)) / (sizeof (px_err_bit_desc_t))
527 
528 /* LPU LTSSM Interrupt Table */
529 #define	LPUS_BIT_DESC(bit, hdl, erpt) \
530 	LPU_LTSSM_INTERRUPT_AND_STATUS_INT_ ## bit, \
531 	0, \
532 	NULL, \
533 	NULL, \
534 	""
535 px_err_bit_desc_t px_err_lpus_tbl[] = {
536 	{ LPUS_BIT_DESC(ANY,		NULL,		NULL) }
537 };
538 #define	px_err_lpus_keys \
539 	(sizeof (px_err_lpus_tbl)) / (sizeof (px_err_bit_desc_t))
540 
541 /* LPU Gigablaze Glue Interrupt Table */
542 #define	LPUG_BIT_DESC(bit, hdl, erpt) \
543 	LPU_GIGABLAZE_GLUE_INTERRUPT_AND_STATUS_INT_ ## bit, \
544 	0, \
545 	NULL, \
546 	NULL, \
547 	""
548 px_err_bit_desc_t px_err_lpug_tbl[] = {
549 	{ LPUG_BIT_DESC(GLOBL_UNMSK,	NULL,		NULL) }
550 };
551 #define	px_err_lpug_keys \
552 	(sizeof (px_err_lpug_tbl)) / (sizeof (px_err_bit_desc_t))
553 
554 
555 /* Mask and Tables */
556 #define	MnT6(pre) \
557 	B_FALSE, \
558 	&px_ ## pre ## _intr_mask, \
559 	&px_ ## pre ## _log_mask, \
560 	&px_ ## pre ## _count_mask, \
561 	px_err_ ## pre ## _tbl, \
562 	px_err_ ## pre ## _keys, \
563 	0
564 
565 #define	MnT6_ob(pre) \
566 	B_FALSE, \
567 	&px_ ## pre ## _intr_mask, \
568 	&px_ ## pre ## _log_mask, \
569 	&px_ ## pre ## _count_mask, \
570 	px_err_ ## pre ## _ob_tbl, \
571 	px_err_ ## pre ## _ob_keys, \
572 	0
573 
574 /* LPU Registers Addresses */
575 #define	LR4(pre) \
576 	NULL, \
577 	LPU_ ## pre ## _INTERRUPT_MASK, \
578 	LPU_ ## pre ## _INTERRUPT_AND_STATUS, \
579 	LPU_ ## pre ## _INTERRUPT_AND_STATUS
580 
581 /* LPU Registers Addresses with Irregularities */
582 #define	LR4_FIXME(pre) \
583 	NULL, \
584 	LPU_ ## pre ## _INTERRUPT_MASK, \
585 	LPU_ ## pre ## _LAYER_INTERRUPT_AND_STATUS, \
586 	LPU_ ## pre ## _LAYER_INTERRUPT_AND_STATUS
587 
588 /* TLU Registers Addresses */
589 #define	TR4(pre) \
590 	TLU_ ## pre ## _LOG_ENABLE, \
591 	TLU_ ## pre ## _INTERRUPT_ENABLE, \
592 	TLU_ ## pre ## _INTERRUPT_STATUS, \
593 	TLU_ ## pre ## _STATUS_CLEAR
594 
595 /* Registers Addresses for JBC, UBC, MMU, IMU and ILU */
596 #define	R4(pre) \
597 	pre ## _ERROR_LOG_ENABLE, \
598 	pre ## _INTERRUPT_ENABLE, \
599 	pre ## _INTERRUPT_STATUS, \
600 	pre ## _ERROR_STATUS_CLEAR
601 
602 /*
603  * Register error handling tables.
604  * The ID Field (first field) is identified by an enum px_err_id_t.
605  * It is located in px_err.h
606  */
607 px_err_reg_desc_t px_err_reg_tbl[] = {
608 	{ MnT6(jbc),	R4(JBC),		  "JBC Error"},
609 	{ MnT6(ubc),	R4(UBC),		  "UBC Error"},
610 	{ MnT6(mmu),	R4(MMU),		  "MMU Error"},
611 	{ MnT6(imu),	R4(IMU),		  "IMU Error"},
612 	{ MnT6(tlu_ue),	TR4(UNCORRECTABLE_ERROR), "TLU UE"},
613 	{ MnT6(tlu_ce), TR4(CORRECTABLE_ERROR),	  "TLU CE"},
614 	{ MnT6(tlu_oe), TR4(OTHER_EVENT),	  "TLU OE"},
615 	{ MnT6(ilu),	R4(ILU),		  "ILU Error"},
616 	{ MnT6(lpul),	LR4(LINK_LAYER),	  "LPU Link Layer"},
617 	{ MnT6(lpup),	LR4_FIXME(PHY),		  "LPU Phy Layer"},
618 	{ MnT6(lpur),	LR4(RECEIVE_PHY),	  "LPU RX Phy Layer"},
619 	{ MnT6(lpux),	LR4(TRANSMIT_PHY),	  "LPU TX Phy Layer"},
620 	{ MnT6(lpus),	LR4(LTSSM),		  "LPU LTSSM"},
621 	{ MnT6(lpug),	LR4(GIGABLAZE_GLUE),	  "LPU GigaBlaze Glue"},
622 };
623 #define	PX_ERR_REG_KEYS (sizeof (px_err_reg_tbl)) / (sizeof (px_err_reg_tbl[0]))
624 
625 typedef struct px_err_ss {
626 	uint64_t err_status[PX_ERR_REG_KEYS];
627 } px_err_ss_t;
628 
629 static void px_err_snapshot(px_t *px_p, px_err_ss_t *ss, boolean_t chk_cb);
630 static int  px_err_erpt_and_clr(px_t *px_p, ddi_fm_error_t *derr,
631     px_err_ss_t *ss);
632 static int  px_err_check_severity(px_t *px_p, ddi_fm_error_t *derr,
633     int err, int caller);
634 
635 /*
636  * px_err_cb_intr:
637  * Interrupt handler for the JBC/UBC block.
638  * o lock
639  * o create derr
640  * o px_err_handle(leaf1, with cb)
641  * o px_err_handle(leaf2, without cb)
642  * o dispatch (leaf1)
643  * o dispatch (leaf2)
644  * o unlock
645  * o handle error: fatal? fm_panic() : return INTR_CLAIMED)
646  */
647 uint_t
648 px_err_cb_intr(caddr_t arg)
649 {
650 	px_fault_t	*px_fault_p = (px_fault_t *)arg;
651 	dev_info_t	*rpdip = px_fault_p->px_fh_dip;
652 	px_t		*px_p = DIP_TO_STATE(rpdip);
653 	int		err = PX_OK;
654 	int		ret = DDI_FM_OK;
655 	int		fatal = 0;
656 	ddi_fm_error_t	derr;
657 
658 	/* Create the derr */
659 	bzero(&derr, sizeof (ddi_fm_error_t));
660 	derr.fme_version = DDI_FME_VERSION;
661 	derr.fme_ena = fm_ena_generate(0, FM_ENA_FMT1);
662 	derr.fme_flag = DDI_FM_ERR_UNEXPECTED;
663 
664 	mutex_enter(&px_p->px_fm_mutex);
665 
666 	err |= px_err_handle(px_p, &derr, PX_INTR_CALL, B_TRUE);
667 
668 	ret = ndi_fm_handler_dispatch(rpdip, NULL, &derr);
669 	switch (ret) {
670 	case DDI_FM_FATAL:
671 		fatal++;
672 		break;
673 	case DDI_FM_NONFATAL:
674 	case DDI_FM_UNKNOWN:
675 	default:
676 		break;
677 	}
678 
679 	/* Set the intr state to idle for the leaf that received the mondo */
680 
681 	(void) px_lib_intr_setstate(rpdip, px_fault_p->px_fh_sysino,
682 	    INTR_IDLE_STATE);
683 
684 	mutex_exit(&px_p->px_fm_mutex);
685 
686 	/*
687 	 * PX_FATAL_HW error is diagnosed after system recovered from
688 	 * HW initiated reset, therefore no furthur handling is required.
689 	 */
690 	if (fatal || err & (PX_FATAL_GOS | PX_FATAL_SW))
691 		PX_FM_PANIC("Fatal System Bus Error has occurred\n");
692 
693 	return (DDI_INTR_CLAIMED);
694 }
695 
696 /*
697  * px_err_dmc_pec_intr:
698  * Interrupt handler for the DMC/PEC block.
699  * o lock
700  * o create derr
701  * o px_err_handle(leaf, with cb)
702  * o dispatch (leaf)
703  * o unlock
704  * o handle error: fatal? fm_panic() : return INTR_CLAIMED)
705  */
706 uint_t
707 px_err_dmc_pec_intr(caddr_t arg)
708 {
709 	px_fault_t	*px_fault_p = (px_fault_t *)arg;
710 	dev_info_t	*rpdip = px_fault_p->px_fh_dip;
711 	px_t		*px_p = DIP_TO_STATE(rpdip);
712 	int		err = PX_OK;
713 	int		ret = DDI_FM_OK;
714 	ddi_fm_error_t	derr;
715 
716 	/* Create the derr */
717 	bzero(&derr, sizeof (ddi_fm_error_t));
718 	derr.fme_version = DDI_FME_VERSION;
719 	derr.fme_ena = fm_ena_generate(0, FM_ENA_FMT1);
720 	derr.fme_flag = DDI_FM_ERR_UNEXPECTED;
721 
722 	mutex_enter(&px_p->px_fm_mutex);
723 
724 	/* send ereport/handle/clear fire registers */
725 	err |= px_err_handle(px_p, &derr, PX_INTR_CALL, B_TRUE);
726 
727 	/* Check all child devices for errors */
728 	ret = ndi_fm_handler_dispatch(rpdip, NULL, &derr);
729 
730 	/* Set the interrupt state to idle */
731 	(void) px_lib_intr_setstate(rpdip, px_fault_p->px_fh_sysino,
732 	    INTR_IDLE_STATE);
733 
734 	mutex_exit(&px_p->px_fm_mutex);
735 
736 	/*
737 	 * PX_FATAL_HW indicates a condition recovered from Fatal-Reset,
738 	 * therefore it does not cause panic.
739 	 */
740 	if ((err & (PX_FATAL_GOS | PX_FATAL_SW)) || (ret == DDI_FM_FATAL))
741 		PX_FM_PANIC("Fatal System Port Error has occurred\n");
742 
743 	return (DDI_INTR_CLAIMED);
744 }
745 
746 /*
747  * Error register are being handled by px_hlib xxx_init functions.
748  * They are also called again by px_err_add_intr for mondo62 and 63
749  * from px_cb_attach and px_attach
750  */
751 void
752 px_err_reg_enable(px_t *px_p, px_err_id_t id)
753 {
754 	px_err_reg_desc_t	*reg_desc = &px_err_reg_tbl[id];
755 	uint64_t 		intr_mask = *reg_desc->intr_mask_p;
756 	uint64_t 		log_mask = *reg_desc->log_mask_p;
757 	caddr_t			csr_base;
758 	pxu_t			*pxu_p = (pxu_t *)px_p->px_plat_p;
759 
760 	/* Get the correct CSR BASE */
761 	if (PX_ERR_XBC(id))
762 		csr_base = (caddr_t)pxu_p->px_address[PX_REG_XBC];
763 	else
764 		csr_base = (caddr_t)pxu_p->px_address[PX_REG_CSR];
765 
766 	reg_desc->enabled = B_TRUE;
767 
768 	/* Enable logs if it exists */
769 	if (reg_desc->log_addr != NULL)
770 		CSR_XS(csr_base, reg_desc->log_addr, log_mask);
771 
772 	/*
773 	 * For readability you in code you set 1 to enable an interrupt.
774 	 * But in Fire it's backwards.  You set 1 to *disable* an intr.
775 	 * Reverse the user tunable intr mask field.
776 	 *
777 	 * Disable All Errors
778 	 * Clear All Errors
779 	 * Enable Errors
780 	 */
781 	CSR_XS(csr_base, reg_desc->enable_addr, 0);
782 	CSR_XS(csr_base, reg_desc->clear_addr, -1);
783 	CSR_XS(csr_base, reg_desc->enable_addr, intr_mask);
784 	DBG(DBG_ATTACH, NULL, "%s Mask: 0x%llx\n",
785 	    reg_desc->msg, CSR_XR(csr_base, reg_desc->enable_addr));
786 	DBG(DBG_ATTACH, NULL, "%s Status: 0x%llx\n",
787 	    reg_desc->msg, CSR_XR(csr_base, reg_desc->status_addr));
788 	DBG(DBG_ATTACH, NULL, "%s Clear: 0x%llx\n",
789 	    reg_desc->msg, CSR_XR(csr_base, reg_desc->clear_addr));
790 	if (reg_desc->log_addr != NULL) {
791 		DBG(DBG_ATTACH, NULL, "%s Log: 0x%llx\n",
792 		    reg_desc->msg, CSR_XR(csr_base, reg_desc->log_addr));
793 	}
794 }
795 
796 void
797 px_err_reg_disable(px_t *px_p, px_err_id_t id)
798 {
799 	px_err_reg_desc_t	*reg_desc = &px_err_reg_tbl[id];
800 	caddr_t			csr_base;
801 	pxu_t			*pxu_p = (pxu_t *)px_p->px_plat_p;
802 
803 	/* Get the correct CSR BASE */
804 	if (PX_ERR_XBC(id))
805 		csr_base = (caddr_t)(uintptr_t)pxu_p->px_address[PX_REG_XBC];
806 	else
807 		csr_base = (caddr_t)(uintptr_t)pxu_p->px_address[PX_REG_CSR];
808 
809 	reg_desc->enabled = B_FALSE;
810 
811 	switch (id) {
812 	case PX_ERR_JBC:
813 	case PX_ERR_UBC:
814 	case PX_ERR_MMU:
815 	case PX_ERR_IMU:
816 	case PX_ERR_TLU_UE:
817 	case PX_ERR_TLU_CE:
818 	case PX_ERR_TLU_OE:
819 	case PX_ERR_ILU:
820 		if (reg_desc->log_addr != NULL) {
821 			CSR_XS(csr_base, reg_desc->log_addr, 0);
822 		}
823 		CSR_XS(csr_base, reg_desc->enable_addr, 0);
824 		break;
825 	case PX_ERR_LPU_LINK:
826 	case PX_ERR_LPU_PHY:
827 	case PX_ERR_LPU_RX:
828 	case PX_ERR_LPU_TX:
829 	case PX_ERR_LPU_LTSSM:
830 	case PX_ERR_LPU_GIGABLZ:
831 		if (reg_desc->log_addr != NULL) {
832 			CSR_XS(csr_base, reg_desc->log_addr, -1);
833 		}
834 		CSR_XS(csr_base, reg_desc->enable_addr, -1);
835 		break;
836 	}
837 }
838 
839 /*
840  * px_err_handle:
841  * Common function called by trap, mondo and fabric intr.
842  * o Snap shot current fire registers
843  * o check for safe access
844  * o send ereport and clear snap shot registers
845  * o check severity of snap shot registers
846  *
847  * @param px_p		leaf in which to check access
848  * @param derr		fm err data structure to be updated
849  * @param caller	PX_TRAP_CALL | PX_INTR_CALL
850  * @param chk_cb	whether to handle cb registers
851  * @return err		PX_OK | PX_NONFATAL |
852  *                      PX_FATAL_GOS | PX_FATAL_HW | PX_STUCK_FATAL
853  */
854 int
855 px_err_handle(px_t *px_p, ddi_fm_error_t *derr, int caller,
856     boolean_t chk_cb)
857 {
858 	px_err_ss_t		ss;
859 	int			err = PX_OK;
860 
861 	ASSERT(MUTEX_HELD(&px_p->px_fm_mutex));
862 
863 	/* snap shot the current fire registers */
864 	px_err_snapshot(px_p, &ss, chk_cb);
865 
866 	/* check for safe access */
867 	px_err_safeacc_check(px_p, derr);
868 
869 	/* send ereports/handle/clear registers */
870 	err = px_err_erpt_and_clr(px_p, derr, &ss);
871 
872 	/* check for error severity */
873 	err = px_err_check_severity(px_p, derr, err, caller);
874 
875 	/* Mark the On Trap Handle if an error occured */
876 	if (err != PX_OK) {
877 		px_pec_t	*pec_p = px_p->px_pec_p;
878 		on_trap_data_t	*otd = pec_p->pec_ontrap_data;
879 
880 		if ((otd != NULL) && (otd->ot_prot & OT_DATA_ACCESS))
881 			otd->ot_trap |= OT_DATA_ACCESS;
882 	}
883 
884 	return (err);
885 }
886 
887 /*
888  * Static function
889  */
890 
891 /*
892  * px_err_snapshot:
893  * Take a current snap shot of all the fire error registers.  This includes
894  * JBC/UBC, DMC, and PEC, unless chk_cb == false;
895  *
896  * @param px_p		leaf in which to take the snap shot.
897  * @param ss		pre-allocated memory to store the snap shot.
898  * @param chk_cb	boolean on whether to store jbc/ubc register.
899  */
900 static void
901 px_err_snapshot(px_t *px_p, px_err_ss_t *ss, boolean_t chk_cb)
902 {
903 	pxu_t	*pxu_p = (pxu_t *)px_p->px_plat_p;
904 	caddr_t	xbc_csr_base = (caddr_t)pxu_p->px_address[PX_REG_XBC];
905 	caddr_t	pec_csr_base = (caddr_t)pxu_p->px_address[PX_REG_CSR];
906 	px_err_reg_desc_t *reg_desc;
907 	int reg_id;
908 
909 	switch (PX_CHIP_TYPE(pxu_p)) {
910 	case PX_CHIP_OBERON:
911 		reg_id = PX_ERR_UBC;
912 		break;
913 	case PX_CHIP_FIRE:
914 		reg_id = PX_ERR_JBC;
915 		break;
916 	default:
917 		DBG(DBG_ERR_INTR, NULL, "px_err_snapshot - "
918 		    "unknown chip type: 0x%x\n", PX_CHIP_TYPE(pxu_p));
919 		reg_id = 0;
920 		break;
921 	}
922 
923 	/* snapshot CB interrupt status */
924 	if (chk_cb == B_TRUE) {
925 		reg_desc = &px_err_reg_tbl[reg_id];
926 		/* Only look at enabled groups. */
927 		if (reg_desc->enabled == B_TRUE)	{
928 			ss->err_status[reg_id] = CSR_XR(xbc_csr_base,
929 			    reg_desc->status_addr);
930 		}
931 	} else {
932 		ss->err_status[reg_id] = 0;
933 	}
934 
935 	/* snapshot DMC/PEC interrupt status */
936 	for (reg_id = 2; reg_id < PX_ERR_REG_KEYS; reg_id += 1) {
937 		reg_desc = &px_err_reg_tbl[reg_id];
938 		/* Only look at enabled groups. */
939 		if (reg_desc->enabled == B_TRUE)	{
940 			ss->err_status[reg_id] = CSR_XR(pec_csr_base,
941 			    reg_desc->status_addr);
942 		}
943 	}
944 }
945 
946 /*
947  * px_err_erpt_and_clr:
948  * This function does the following thing to all the fire registers based
949  * on an earlier snap shot.
950  * o Send ereport
951  * o Handle the error
952  * o Clear the error
953  *
954  * @param px_p		leaf in which to take the snap shot.
955  * @param derr		fm err in which the ereport is to be based on
956  * @param ss		pre-allocated memory to store the snap shot.
957  */
958 static int
959 px_err_erpt_and_clr(px_t *px_p, ddi_fm_error_t *derr, px_err_ss_t *ss)
960 {
961 	dev_info_t		*rpdip = px_p->px_dip;
962 	pxu_t			*pxu_p = (pxu_t *)px_p->px_plat_p;
963 	caddr_t			csr_base;
964 	px_err_reg_desc_t	*err_reg_tbl;
965 	px_err_bit_desc_t	*err_bit_tbl;
966 	px_err_bit_desc_t	*err_bit_desc;
967 
968 	uint64_t		*log_mask, *count_mask;
969 	uint64_t		status_addr, clear_addr;
970 	uint64_t		ss_reg;
971 
972 	int			(*err_handler)();
973 	int			(*erpt_handler)();
974 	int			reg_id, key;
975 	int			err = PX_OK;
976 	int			biterr;
977 
978 	ASSERT(MUTEX_HELD(&px_p->px_fm_mutex));
979 
980 	/* send erport/handle/clear JBC errors */
981 	for (reg_id = 0; reg_id < PX_ERR_REG_KEYS; reg_id += 1) {
982 		/* Get the correct register description table */
983 		err_reg_tbl = &px_err_reg_tbl[reg_id];
984 
985 		/* Only look at enabled groups. */
986 		if (err_reg_tbl->enabled != B_TRUE)
987 			continue;
988 
989 		/* Get the correct CSR BASE */
990 		if (PX_ERR_XBC(reg_id))
991 			csr_base = (caddr_t)pxu_p->px_address[PX_REG_XBC];
992 		else
993 			csr_base = (caddr_t)pxu_p->px_address[PX_REG_CSR];
994 
995 		/* Get pointers to masks and register addresses */
996 		log_mask = err_reg_tbl->log_mask_p;
997 		count_mask = err_reg_tbl->count_mask_p;
998 		status_addr = err_reg_tbl->status_addr;
999 		clear_addr = err_reg_tbl->clear_addr;
1000 		ss_reg = ss->err_status[reg_id];
1001 
1002 		/* Get the register BIT description table */
1003 		err_bit_tbl = err_reg_tbl->err_bit_tbl;
1004 
1005 		/* For each known bit in the register send erpt and handle */
1006 		for (key = 0; key < err_reg_tbl->err_bit_keys; key += 1) {
1007 			/* Get the bit description table for this register */
1008 			err_bit_desc = &err_bit_tbl[key];
1009 
1010 			/*
1011 			 * If the ss_reg is set for this bit,
1012 			 * send ereport and handle
1013 			 */
1014 			if (BIT_TST(ss_reg, err_bit_desc->bit)) {
1015 				/* Increment the counter if necessary */
1016 				if (BIT_TST(*count_mask, err_bit_desc->bit)) {
1017 					err_bit_desc->counter++;
1018 				}
1019 
1020 				/* Error Handle for this bit */
1021 				err_handler = err_bit_desc->err_handler;
1022 				if (err_handler) {
1023 					biterr = err_handler(rpdip,
1024 					    csr_base,
1025 					    derr,
1026 					    err_reg_tbl,
1027 					    err_bit_desc);
1028 					err |= biterr;
1029 				}
1030 
1031 				/* Send the ereport if it's an UNEXPECTED err */
1032 				erpt_handler = err_bit_desc->erpt_handler;
1033 				if ((derr->fme_flag == DDI_FM_ERR_UNEXPECTED) &&
1034 				    (biterr != PX_OK)) {
1035 					if (erpt_handler)
1036 						(void) erpt_handler(rpdip,
1037 						    csr_base,
1038 						    ss_reg,
1039 						    derr,
1040 						    err_bit_desc->bit,
1041 						    err_bit_desc->class_name);
1042 				}
1043 			}
1044 		}
1045 		/* Print register status */
1046 		if (ss_reg & *log_mask)
1047 			DBG(DBG_ERR_INTR, rpdip, "<%x>=%16llx %s\n",
1048 			    status_addr, ss_reg, err_reg_tbl->msg);
1049 
1050 		/* Clear the register and error */
1051 		CSR_XS(csr_base, clear_addr, ss_reg);
1052 	}
1053 
1054 	return (err);
1055 }
1056 
1057 /*
1058  * px_err_check_severity:
1059  * Check the severity of the fire error based on an earlier snapshot
1060  *
1061  * @param px_p		leaf in which to take the snap shot.
1062  * @param derr		fm err in which the ereport is to be based on
1063  * @param ss		pre-allocated memory to store the snap shot.
1064  */
1065 static int
1066 px_err_check_severity(px_t *px_p, ddi_fm_error_t *derr, int err, int caller)
1067 {
1068 	px_pec_t 	*pec_p = px_p->px_pec_p;
1069 	boolean_t	is_safeacc = B_FALSE;
1070 
1071 	/* nothing to do if called with no error */
1072 	if (err == PX_OK)
1073 		return (err);
1074 
1075 	/* Cautious access error handling  */
1076 	switch (derr->fme_flag) {
1077 	case DDI_FM_ERR_EXPECTED:
1078 		if (caller == PX_TRAP_CALL) {
1079 			/*
1080 			 * for ddi_caut_get treat all events as nonfatal
1081 			 * The trampoline will set err_ena = 0,
1082 			 * err_status = NONFATAL.
1083 			 */
1084 			derr->fme_status = DDI_FM_NONFATAL;
1085 			is_safeacc = B_TRUE;
1086 		} else {
1087 			/*
1088 			 * For ddi_caut_put treat all events as nonfatal. Here
1089 			 * we have the handle and can call ndi_fm_acc_err_set().
1090 			 */
1091 			derr->fme_status = DDI_FM_NONFATAL;
1092 			ndi_fm_acc_err_set(pec_p->pec_acc_hdl, derr);
1093 			is_safeacc = B_TRUE;
1094 		}
1095 		break;
1096 	case DDI_FM_ERR_PEEK:
1097 	case DDI_FM_ERR_POKE:
1098 		/*
1099 		 * For ddi_peek/poke treat all events as nonfatal.
1100 		 */
1101 		is_safeacc = B_TRUE;
1102 		break;
1103 	default:
1104 		is_safeacc = B_FALSE;
1105 	}
1106 
1107 	/*
1108 	 * The third argument "err" is passed in as error status from checking
1109 	 * Fire register, re-adjust error status from safe access.
1110 	 */
1111 	if (is_safeacc && !(err & PX_FATAL_GOS))
1112 		return (PX_NONFATAL);
1113 
1114 	return (err);
1115 }
1116 
1117 /* predefined convenience functions */
1118 /* ARGSUSED */
1119 int
1120 px_err_fatal_hw_handle(dev_info_t *rpdip, caddr_t csr_base,
1121 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1122 	px_err_bit_desc_t *err_bit_descr)
1123 {
1124 	return (PX_FATAL_HW);
1125 }
1126 
1127 /* ARGSUSED */
1128 int
1129 px_err_fatal_gos_handle(dev_info_t *rpdip, caddr_t csr_base,
1130 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1131 	px_err_bit_desc_t *err_bit_descr)
1132 {
1133 	return (PX_FATAL_GOS);
1134 }
1135 
1136 /* ARGSUSED */
1137 int
1138 px_err_fatal_stuck_handle(dev_info_t *rpdip, caddr_t csr_base,
1139 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1140 	px_err_bit_desc_t *err_bit_descr)
1141 {
1142 	return (PX_STUCK_FATAL);
1143 }
1144 
1145 /* ARGSUSED */
1146 int
1147 px_err_fatal_sw_handle(dev_info_t *rpdip, caddr_t csr_base,
1148 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1149 	px_err_bit_desc_t *err_bit_descr)
1150 {
1151 	return (PX_FATAL_SW);
1152 }
1153 
1154 /* ARGSUSED */
1155 int
1156 px_err_non_fatal_handle(dev_info_t *rpdip, caddr_t csr_base,
1157 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1158 	px_err_bit_desc_t *err_bit_descr)
1159 {
1160 	return (PX_NONFATAL);
1161 }
1162 
1163 /* ARGSUSED */
1164 int
1165 px_err_ok_handle(dev_info_t *rpdip, caddr_t csr_base, ddi_fm_error_t *derr,
1166 	px_err_reg_desc_t *err_reg_descr, px_err_bit_desc_t *err_bit_descr)
1167 {
1168 	return (PX_OK);
1169 }
1170 
1171 /* ARGSUSED */
1172 int
1173 px_err_unknown_handle(dev_info_t *rpdip, caddr_t csr_base, ddi_fm_error_t *derr,
1174 	px_err_reg_desc_t *err_reg_descr, px_err_bit_desc_t *err_bit_descr)
1175 {
1176 	return (PX_ERR_UNKNOWN);
1177 }
1178 
1179 /* ARGSUSED */
1180 PX_ERPT_SEND_DEC(do_not)
1181 {
1182 	return (PX_OK);
1183 }
1184 
1185 /* UBC FATAL - see io erpt doc, section 1.1 */
1186 /* ARGSUSED */
1187 PX_ERPT_SEND_DEC(ubc_fatal)
1188 {
1189 	char		buf[FM_MAX_CLASS];
1190 	uint64_t	memory_ue_log, marked;
1191 	char		unum[FM_MAX_CLASS];
1192 	int		unum_length;
1193 	uint64_t	device_id = 0;
1194 	uint8_t		cpu_version = 0;
1195 	nvlist_t	*resource = NULL;
1196 
1197 	unum[0] = '\0';
1198 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
1199 
1200 	memory_ue_log = CSR_XR(csr_base, UBC_MEMORY_UE_LOG);
1201 	marked = (memory_ue_log >> UBC_MEMORY_UE_LOG_MARKED) &
1202 	    UBC_MEMORY_UE_LOG_MARKED_MASK;
1203 
1204 	if ((strstr(class_name, "ubc.piowtue") != NULL) ||
1205 	    (strstr(class_name, "ubc.piowbeue") != NULL) ||
1206 	    (strstr(class_name, "ubc.piorbeue") != NULL) ||
1207 	    (strstr(class_name, "ubc.dmarduea") != NULL) ||
1208 	    (strstr(class_name, "ubc.dmardueb") != NULL)) {
1209 		int eid = (memory_ue_log >> UBC_MEMORY_UE_LOG_EID) &
1210 		    UBC_MEMORY_UE_LOG_EID_MASK;
1211 		(void) strncat(buf, ubc_class_eid_qualifier[eid],
1212 		    FM_MAX_CLASS);
1213 
1214 		if (eid == UBC_EID_MEM) {
1215 			uint64_t phys_addr = memory_ue_log &
1216 			    MMU_OBERON_PADDR_MASK;
1217 			uint64_t offset = (uint64_t)-1;
1218 
1219 			resource = fm_nvlist_create(NULL);
1220 			if (&plat_get_mem_unum) {
1221 				if ((plat_get_mem_unum(0,
1222 				    phys_addr, 0, B_TRUE, 0, unum,
1223 				    FM_MAX_CLASS, &unum_length)) != 0)
1224 					unum[0] = '\0';
1225 			}
1226 			fm_fmri_mem_set(resource, FM_MEM_SCHEME_VERSION,
1227 					NULL, unum, NULL, offset);
1228 
1229 		} else if (eid == UBC_EID_CPU) {
1230 			int cpuid = (marked & UBC_MARKED_MAX_CPUID_MASK);
1231 			char sbuf[21]; /* sizeof (UINT64_MAX) + '\0' */
1232 
1233 			resource = fm_nvlist_create(NULL);
1234 			cpu_version = cpunodes[cpuid].version;
1235 			device_id = cpunodes[cpuid].device_id;
1236 			(void) snprintf(sbuf, sizeof (sbuf), "%lX",
1237 			    device_id);
1238 			(void) fm_fmri_cpu_set(resource,
1239 			    FM_CPU_SCHEME_VERSION, NULL, cpuid,
1240 			    &cpu_version, sbuf);
1241 		}
1242 	}
1243 
1244 	if (resource) {
1245 		ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1246 		    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1247 		    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, B_TRUE,
1248 		    OBERON_UBC_ELE, DATA_TYPE_UINT64,
1249 		    CSR_XR(csr_base, UBC_ERROR_LOG_ENABLE),
1250 		    OBERON_UBC_IE, DATA_TYPE_UINT64,
1251 		    CSR_XR(csr_base, UBC_INTERRUPT_ENABLE),
1252 		    OBERON_UBC_IS, DATA_TYPE_UINT64,
1253 		    CSR_XR(csr_base, UBC_INTERRUPT_STATUS),
1254 		    OBERON_UBC_ESS, DATA_TYPE_UINT64,
1255 		    CSR_XR(csr_base, UBC_ERROR_STATUS_SET),
1256 		    OBERON_UBC_MUE, DATA_TYPE_UINT64, memory_ue_log,
1257 		    OBERON_UBC_UNUM, DATA_TYPE_STRING, unum,
1258 		    OBERON_UBC_DID, DATA_TYPE_UINT64, device_id,
1259 		    OBERON_UBC_CPUV, DATA_TYPE_UINT32, cpu_version,
1260 		    OBERON_UBC_RESOURCE, DATA_TYPE_NVLIST, resource,
1261 		    NULL);
1262 		fm_nvlist_destroy(resource, FM_NVA_FREE);
1263 	} else {
1264 		ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1265 		    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1266 		    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, B_TRUE,
1267 		    OBERON_UBC_ELE, DATA_TYPE_UINT64,
1268 		    CSR_XR(csr_base, UBC_ERROR_LOG_ENABLE),
1269 		    OBERON_UBC_IE, DATA_TYPE_UINT64,
1270 		    CSR_XR(csr_base, UBC_INTERRUPT_ENABLE),
1271 		    OBERON_UBC_IS, DATA_TYPE_UINT64,
1272 		    CSR_XR(csr_base, UBC_INTERRUPT_STATUS),
1273 		    OBERON_UBC_ESS, DATA_TYPE_UINT64,
1274 		    CSR_XR(csr_base, UBC_ERROR_STATUS_SET),
1275 		    OBERON_UBC_MUE, DATA_TYPE_UINT64, memory_ue_log,
1276 		    OBERON_UBC_UNUM, DATA_TYPE_STRING, unum,
1277 		    OBERON_UBC_DID, DATA_TYPE_UINT64, device_id,
1278 		    OBERON_UBC_CPUV, DATA_TYPE_UINT32, cpu_version,
1279 		    NULL);
1280 	}
1281 
1282 	return (PX_OK);
1283 }
1284 
1285 /* JBC FATAL - see io erpt doc, section 1.1 */
1286 PX_ERPT_SEND_DEC(jbc_fatal)
1287 {
1288 	char		buf[FM_MAX_CLASS];
1289 	boolean_t	pri = PX_ERR_IS_PRI(bit);
1290 
1291 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
1292 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1293 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1294 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
1295 	    FIRE_JBC_ELE, DATA_TYPE_UINT64,
1296 	    CSR_XR(csr_base, JBC_ERROR_LOG_ENABLE),
1297 	    FIRE_JBC_IE, DATA_TYPE_UINT64,
1298 	    CSR_XR(csr_base, JBC_INTERRUPT_ENABLE),
1299 	    FIRE_JBC_IS, DATA_TYPE_UINT64,
1300 	    ss_reg,
1301 	    FIRE_JBC_ESS, DATA_TYPE_UINT64,
1302 	    CSR_XR(csr_base, JBC_ERROR_STATUS_SET),
1303 	    FIRE_JBC_FEL1, DATA_TYPE_UINT64,
1304 	    CSR_XR(csr_base, FATAL_ERROR_LOG_1),
1305 	    FIRE_JBC_FEL2, DATA_TYPE_UINT64,
1306 	    CSR_XR(csr_base, FATAL_ERROR_LOG_2),
1307 	    NULL);
1308 
1309 	return (PX_OK);
1310 }
1311 
1312 /* JBC MERGE - see io erpt doc, section 1.2 */
1313 PX_ERPT_SEND_DEC(jbc_merge)
1314 {
1315 	char		buf[FM_MAX_CLASS];
1316 	boolean_t	pri = PX_ERR_IS_PRI(bit);
1317 
1318 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
1319 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1320 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1321 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
1322 	    FIRE_JBC_ELE, DATA_TYPE_UINT64,
1323 	    CSR_XR(csr_base, JBC_ERROR_LOG_ENABLE),
1324 	    FIRE_JBC_IE, DATA_TYPE_UINT64,
1325 	    CSR_XR(csr_base, JBC_INTERRUPT_ENABLE),
1326 	    FIRE_JBC_IS, DATA_TYPE_UINT64,
1327 	    ss_reg,
1328 	    FIRE_JBC_ESS, DATA_TYPE_UINT64,
1329 	    CSR_XR(csr_base, JBC_ERROR_STATUS_SET),
1330 	    FIRE_JBC_MTEL, DATA_TYPE_UINT64,
1331 	    CSR_XR(csr_base, MERGE_TRANSACTION_ERROR_LOG),
1332 	    NULL);
1333 
1334 	return (PX_OK);
1335 }
1336 
1337 /*
1338  * JBC Merge buffer nonfatal errors:
1339  *    Merge buffer parity error (rd_buf): dma:read:M:nonfatal
1340  *    Merge buffer parity error (wr_buf): dma:write:M:nonfatal
1341  */
1342 /* ARGSUSED */
1343 int
1344 px_err_jbc_merge_handle(dev_info_t *rpdip, caddr_t csr_base,
1345 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1346 	px_err_bit_desc_t *err_bit_descr)
1347 {
1348 	boolean_t	pri = PX_ERR_IS_PRI(err_bit_descr->bit);
1349 	uint64_t	paddr;
1350 	int		ret;
1351 
1352 	if (!pri)
1353 		return (PX_FATAL_GOS);
1354 
1355 	paddr = CSR_XR(csr_base, MERGE_TRANSACTION_ERROR_LOG);
1356 	paddr &= MERGE_TRANSACTION_ERROR_LOG_ADDRESS_MASK;
1357 
1358 	ret = px_handle_lookup(
1359 		rpdip, DMA_HANDLE, derr->fme_ena, (void *)paddr);
1360 
1361 	return ((ret == DDI_FM_FATAL) ? PX_FATAL_GOS : PX_NONFATAL);
1362 }
1363 
1364 /* JBC Jbusint IN - see io erpt doc, section 1.3 */
1365 PX_ERPT_SEND_DEC(jbc_in)
1366 {
1367 	char		buf[FM_MAX_CLASS];
1368 	boolean_t	pri = PX_ERR_IS_PRI(bit);
1369 
1370 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
1371 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1372 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1373 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
1374 	    FIRE_JBC_ELE, DATA_TYPE_UINT64,
1375 	    CSR_XR(csr_base, JBC_ERROR_LOG_ENABLE),
1376 	    FIRE_JBC_IE, DATA_TYPE_UINT64,
1377 	    CSR_XR(csr_base, JBC_INTERRUPT_ENABLE),
1378 	    FIRE_JBC_IS, DATA_TYPE_UINT64,
1379 	    ss_reg,
1380 	    FIRE_JBC_ESS, DATA_TYPE_UINT64,
1381 	    CSR_XR(csr_base, JBC_ERROR_STATUS_SET),
1382 	    FIRE_JBC_JITEL1, DATA_TYPE_UINT64,
1383 	    CSR_XR(csr_base, JBCINT_IN_TRANSACTION_ERROR_LOG),
1384 	    FIRE_JBC_JITEL2, DATA_TYPE_UINT64,
1385 	    CSR_XR(csr_base, JBCINT_IN_TRANSACTION_ERROR_LOG_2),
1386 	    NULL);
1387 
1388 	return (PX_OK);
1389 }
1390 
1391 /*
1392  * JBC Jbusint IN nonfatal errors: PA logged in Jbusint In Transaction Error
1393  * Log Reg[42:0].
1394  *     CE async fault error: nonfatal
1395  *     Jbus bus error: dma::nonfatal
1396  *     Jbus unmapped error: pio|dma:rdwr:M:nonfatal
1397  *     Write data parity error: pio/write:M:nonfatal
1398  *     Read data parity error: pio/read:M:nonfatal
1399  *     Illegal NCWR bytemask: pio:write:M:nonfatal
1400  *     Illegal NCRD bytemask: pio:write:M:nonfatal
1401  *     Invalid jbus transaction: nonfatal
1402  */
1403 /* ARGSUSED */
1404 int
1405 px_err_jbc_jbusint_in_handle(dev_info_t *rpdip, caddr_t csr_base,
1406 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1407 	px_err_bit_desc_t *err_bit_descr)
1408 {
1409 	boolean_t	pri = PX_ERR_IS_PRI(err_bit_descr->bit);
1410 	uint64_t	paddr;
1411 	int		ret;
1412 
1413 	if (!pri)
1414 		return (PX_FATAL_GOS);
1415 
1416 	paddr = CSR_XR(csr_base, JBCINT_IN_TRANSACTION_ERROR_LOG);
1417 	paddr &= JBCINT_IN_TRANSACTION_ERROR_LOG_ADDRESS_MASK;
1418 
1419 	ret = px_handle_lookup(
1420 		rpdip, DMA_HANDLE, derr->fme_ena, (void *)paddr);
1421 
1422 	return ((ret == DDI_FM_FATAL) ? PX_FATAL_GOS : PX_NONFATAL);
1423 }
1424 
1425 
1426 /* JBC Jbusint Out - see io erpt doc, section 1.4 */
1427 PX_ERPT_SEND_DEC(jbc_out)
1428 {
1429 	char		buf[FM_MAX_CLASS];
1430 	boolean_t	pri = PX_ERR_IS_PRI(bit);
1431 
1432 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
1433 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1434 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1435 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
1436 	    FIRE_JBC_ELE, DATA_TYPE_UINT64,
1437 	    CSR_XR(csr_base, JBC_ERROR_LOG_ENABLE),
1438 	    FIRE_JBC_IE, DATA_TYPE_UINT64,
1439 	    CSR_XR(csr_base, JBC_INTERRUPT_ENABLE),
1440 	    FIRE_JBC_IS, DATA_TYPE_UINT64,
1441 	    ss_reg,
1442 	    FIRE_JBC_ESS, DATA_TYPE_UINT64,
1443 	    CSR_XR(csr_base, JBC_ERROR_STATUS_SET),
1444 	    FIRE_JBC_JOTEL1, DATA_TYPE_UINT64,
1445 	    CSR_XR(csr_base, JBCINT_OUT_TRANSACTION_ERROR_LOG),
1446 	    FIRE_JBC_JOTEL2, DATA_TYPE_UINT64,
1447 	    CSR_XR(csr_base, JBCINT_OUT_TRANSACTION_ERROR_LOG_2),
1448 	    NULL);
1449 
1450 	return (PX_OK);
1451 }
1452 
1453 /* JBC Dmcint ODCD - see io erpt doc, section 1.5 */
1454 PX_ERPT_SEND_DEC(jbc_odcd)
1455 {
1456 	char		buf[FM_MAX_CLASS];
1457 	boolean_t	pri = PX_ERR_IS_PRI(bit);
1458 
1459 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
1460 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1461 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1462 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
1463 	    FIRE_JBC_ELE, DATA_TYPE_UINT64,
1464 	    CSR_XR(csr_base, JBC_ERROR_LOG_ENABLE),
1465 	    FIRE_JBC_IE, DATA_TYPE_UINT64,
1466 	    CSR_XR(csr_base, JBC_INTERRUPT_ENABLE),
1467 	    FIRE_JBC_IS, DATA_TYPE_UINT64,
1468 	    ss_reg,
1469 	    FIRE_JBC_ESS, DATA_TYPE_UINT64,
1470 	    CSR_XR(csr_base, JBC_ERROR_STATUS_SET),
1471 	    FIRE_JBC_DMC_ODCD, DATA_TYPE_UINT64,
1472 	    CSR_XR(csr_base, DMCINT_ODCD_ERROR_LOG),
1473 	    NULL);
1474 
1475 	return (PX_OK);
1476 }
1477 
1478 /*
1479  * JBC Dmcint ODCO nonfatal errer handling -
1480  *    PIO data parity error: pio:write:M:nonfatal
1481  */
1482 /* ARGSUSED */
1483 int
1484 px_err_jbc_dmcint_odcd_handle(dev_info_t *rpdip, caddr_t csr_base,
1485 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1486 	px_err_bit_desc_t *err_bit_descr)
1487 {
1488 	boolean_t	pri = PX_ERR_IS_PRI(err_bit_descr->bit);
1489 	uint64_t	paddr;
1490 	int		ret;
1491 
1492 	if (!pri)
1493 		return (PX_FATAL_GOS);
1494 
1495 	paddr = CSR_XR(csr_base, DMCINT_ODCD_ERROR_LOG);
1496 	paddr &= DMCINT_ODCD_ERROR_LOG_ADDRESS_MASK;
1497 
1498 	ret = px_handle_lookup(
1499 		rpdip, DMA_HANDLE, derr->fme_ena, (void *)paddr);
1500 
1501 	return ((ret == DDI_FM_FATAL) ? PX_FATAL_GOS : PX_NONFATAL);
1502 }
1503 
1504 /* Does address in DMCINT error log register match address of pcitool access? */
1505 static boolean_t
1506 px_jbc_pcitool_addr_match(dev_info_t *rpdip, caddr_t csr_base)
1507 {
1508 	px_t	*px_p = DIP_TO_STATE(rpdip);
1509 	pxu_t	*pxu_p = (pxu_t *)px_p->px_plat_p;
1510 	caddr_t	pcitool_addr = pxu_p->pcitool_addr;
1511 	caddr_t errlog_addr =
1512 	    (caddr_t)CSR_FR(csr_base, DMCINT_ODCD_ERROR_LOG, ADDRESS);
1513 
1514 	return (pcitool_addr == errlog_addr);
1515 }
1516 
1517 /*
1518  * JBC Dmcint ODCD errer handling for errors which are forgivable during a safe
1519  * access.  (This will be most likely be a PCItool access.)  If not a safe
1520  * access context, treat like jbc_dmcint_odcd.
1521  *    Unmapped PIO read error: pio:read:M:nonfatal
1522  *    Unmapped PIO write error: pio:write:M:nonfatal
1523  *    Invalid PIO write to PCIe cfg/io, csr, ebus or i2c bus: pio:write:nonfatal
1524  *    Invalid PIO read to PCIe cfg/io, csr, ebus or i2c bus: pio:read:nonfatal
1525  */
1526 /* ARGSUSED */
1527 int
1528 px_err_jbc_safe_acc_handle(dev_info_t *rpdip, caddr_t csr_base,
1529 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1530 	px_err_bit_desc_t *err_bit_descr)
1531 {
1532 	boolean_t	pri = PX_ERR_IS_PRI(err_bit_descr->bit);
1533 
1534 	if (!pri)
1535 		return (PX_FATAL_GOS);
1536 	/*
1537 	 * Got an error which is forgivable during a PCItool access.
1538 	 *
1539 	 * Don't do handler check since the error may otherwise be unfairly
1540 	 * attributed to a device.  Just return.
1541 	 *
1542 	 * Note: There is a hole here in that a legitimate error can come in
1543 	 * while a PCItool access is in play and be forgiven.  This is possible
1544 	 * though not likely.
1545 	 */
1546 	if ((derr->fme_flag != DDI_FM_ERR_UNEXPECTED) &&
1547 	    (px_jbc_pcitool_addr_match(rpdip, csr_base)))
1548 		return (PX_FATAL_SW);
1549 
1550 	return (px_err_jbc_dmcint_odcd_handle(rpdip, csr_base, derr,
1551 	    err_reg_descr, err_bit_descr));
1552 }
1553 
1554 /* JBC Dmcint IDC - see io erpt doc, section 1.6 */
1555 PX_ERPT_SEND_DEC(jbc_idc)
1556 {
1557 	char		buf[FM_MAX_CLASS];
1558 	boolean_t	pri = PX_ERR_IS_PRI(bit);
1559 
1560 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
1561 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1562 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1563 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
1564 	    FIRE_JBC_ELE, DATA_TYPE_UINT64,
1565 	    CSR_XR(csr_base, JBC_ERROR_LOG_ENABLE),
1566 	    FIRE_JBC_IE, DATA_TYPE_UINT64,
1567 	    CSR_XR(csr_base, JBC_INTERRUPT_ENABLE),
1568 	    FIRE_JBC_IS, DATA_TYPE_UINT64,
1569 	    ss_reg,
1570 	    FIRE_JBC_ESS, DATA_TYPE_UINT64,
1571 	    CSR_XR(csr_base, JBC_ERROR_STATUS_SET),
1572 	    FIRE_JBC_DMC_IDC, DATA_TYPE_UINT64,
1573 	    CSR_XR(csr_base, DMCINT_IDC_ERROR_LOG),
1574 	    NULL);
1575 
1576 	return (PX_OK);
1577 }
1578 
1579 /* JBC CSR - see io erpt doc, section 1.7 */
1580 PX_ERPT_SEND_DEC(jbc_csr)
1581 {
1582 	char		buf[FM_MAX_CLASS];
1583 	boolean_t	pri = PX_ERR_IS_PRI(bit);
1584 
1585 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
1586 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1587 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1588 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
1589 	    FIRE_JBC_ELE, DATA_TYPE_UINT64,
1590 	    CSR_XR(csr_base, JBC_ERROR_LOG_ENABLE),
1591 	    FIRE_JBC_IE, DATA_TYPE_UINT64,
1592 	    CSR_XR(csr_base, JBC_INTERRUPT_ENABLE),
1593 	    FIRE_JBC_IS, DATA_TYPE_UINT64,
1594 	    ss_reg,
1595 	    FIRE_JBC_ESS, DATA_TYPE_UINT64,
1596 	    CSR_XR(csr_base, JBC_ERROR_STATUS_SET),
1597 	    "jbc-error-reg", DATA_TYPE_UINT64,
1598 	    CSR_XR(csr_base, CSR_ERROR_LOG),
1599 	    NULL);
1600 
1601 	return (PX_OK);
1602 }
1603 
1604 /*
1605  * JBC CSR errer handling -
1606  * Ebus ready timeout error: pio:rdwr:M:nonfatal
1607  */
1608 /* ARGSUSED */
1609 int
1610 px_err_jbc_csr_handle(dev_info_t *rpdip, caddr_t csr_base,
1611 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1612 	px_err_bit_desc_t *err_bit_descr)
1613 {
1614 	boolean_t	pri = PX_ERR_IS_PRI(err_bit_descr->bit);
1615 	uint64_t	paddr;
1616 	int		ret;
1617 
1618 	if (!pri)
1619 		return (PX_FATAL_GOS);
1620 
1621 	paddr = CSR_XR(csr_base, CSR_ERROR_LOG);
1622 	paddr &= CSR_ERROR_LOG_ADDRESS_MASK;
1623 
1624 	ret = px_handle_lookup(
1625 		rpdip, DMA_HANDLE, derr->fme_ena, (void *)paddr);
1626 
1627 	return ((ret == DDI_FM_FATAL) ? PX_FATAL_GOS : PX_NONFATAL);
1628 }
1629 
1630 /* JBC Dmcint IDC - see io erpt doc, section 1.6 */
1631 
1632 /* DMC IMU RDS - see io erpt doc, section 2.1 */
1633 PX_ERPT_SEND_DEC(imu_rds)
1634 {
1635 	char		buf[FM_MAX_CLASS];
1636 	boolean_t	pri = PX_ERR_IS_PRI(bit);
1637 
1638 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
1639 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1640 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1641 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
1642 	    FIRE_IMU_ELE, DATA_TYPE_UINT64,
1643 	    CSR_XR(csr_base, IMU_ERROR_LOG_ENABLE),
1644 	    FIRE_IMU_IE, DATA_TYPE_UINT64,
1645 	    CSR_XR(csr_base, IMU_INTERRUPT_ENABLE),
1646 	    FIRE_IMU_IS, DATA_TYPE_UINT64,
1647 	    ss_reg,
1648 	    FIRE_IMU_ESS, DATA_TYPE_UINT64,
1649 	    CSR_XR(csr_base, IMU_ERROR_STATUS_SET),
1650 	    FIRE_IMU_RDS, DATA_TYPE_UINT64,
1651 	    CSR_XR(csr_base, IMU_RDS_ERROR_LOG),
1652 	    NULL);
1653 
1654 	return (PX_OK);
1655 }
1656 
1657 /* imu function to handle all Received but Not Enabled errors */
1658 /* ARGSUSED */
1659 int
1660 px_err_imu_rbne_handle(dev_info_t *rpdip, caddr_t csr_base,
1661 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1662 	px_err_bit_desc_t *err_bit_descr)
1663 {
1664 	uint64_t	imu_log_enable, imu_intr_enable;
1665 	int		mask = BITMASK(err_bit_descr->bit);
1666 	int		err = PX_NONFATAL;
1667 
1668 	imu_log_enable = CSR_XR(csr_base, err_reg_descr->log_addr);
1669 	imu_intr_enable = CSR_XR(csr_base, err_reg_descr->enable_addr);
1670 
1671 	/*
1672 	 * If matching bit is not set, meaning corresponding rbne not
1673 	 * enabled, then receiving it indicates some sort of malfunction
1674 	 * possibly in hardware.
1675 	 *
1676 	 * Other wise, software may have intentionally disabled certain
1677 	 * errors for a period of time within which the occuring of the
1678 	 * disabled errors become rbne, that is non fatal.
1679 	 */
1680 
1681 	if (!(imu_log_enable & imu_intr_enable & mask))
1682 		err = PX_FATAL_GOS;
1683 
1684 	return (err);
1685 }
1686 
1687 /*
1688  * No platforms uses PME. Any PME received is simply logged
1689  * for analysis.
1690  */
1691 /* ARGSUSED */
1692 int
1693 px_err_imu_pme_handle(dev_info_t *rpdip, caddr_t csr_base,
1694 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1695 	px_err_bit_desc_t *err_bit_descr)
1696 {
1697 	px_t		*px_p = DIP_TO_STATE(rpdip);
1698 
1699 	px_p->px_pme_ignored++;
1700 	return (PX_NONFATAL);
1701 }
1702 
1703 /* handle EQ overflow */
1704 /* ARGSUSED */
1705 int
1706 px_err_imu_eq_ovfl_handle(dev_info_t *rpdip, caddr_t csr_base,
1707 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1708 	px_err_bit_desc_t *err_bit_descr)
1709 {
1710 	px_t			*px_p = DIP_TO_STATE(rpdip);
1711 	px_msiq_state_t 	*msiq_state_p = &px_p->px_ib_p->ib_msiq_state;
1712 	msiqid_t		eqno;
1713 	pci_msiq_state_t	msiq_state;
1714 	int			err = PX_NONFATAL;
1715 	int			i;
1716 
1717 	eqno = msiq_state_p->msiq_1st_msiq_id;
1718 	for (i = 0; i < msiq_state_p->msiq_cnt; i++) {
1719 		if (px_lib_msiq_getstate(rpdip, eqno, &msiq_state) ==
1720 			DDI_SUCCESS) {
1721 			if (msiq_state == PCI_MSIQ_STATE_ERROR) {
1722 				err = PX_FATAL_GOS;
1723 			}
1724 		}
1725 	}
1726 
1727 	return (err);
1728 }
1729 
1730 /* DMC IMU SCS - see io erpt doc, section 2.2 */
1731 PX_ERPT_SEND_DEC(imu_scs)
1732 {
1733 	char		buf[FM_MAX_CLASS];
1734 	boolean_t	pri = PX_ERR_IS_PRI(bit);
1735 
1736 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
1737 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1738 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1739 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
1740 	    FIRE_IMU_ELE, DATA_TYPE_UINT64,
1741 	    CSR_XR(csr_base, IMU_ERROR_LOG_ENABLE),
1742 	    FIRE_IMU_IE, DATA_TYPE_UINT64,
1743 	    CSR_XR(csr_base, IMU_INTERRUPT_ENABLE),
1744 	    FIRE_IMU_IS, DATA_TYPE_UINT64,
1745 	    ss_reg,
1746 	    FIRE_IMU_ESS, DATA_TYPE_UINT64,
1747 	    CSR_XR(csr_base, IMU_ERROR_STATUS_SET),
1748 	    FIRE_IMU_SCS, DATA_TYPE_UINT64,
1749 	    CSR_XR(csr_base, IMU_SCS_ERROR_LOG),
1750 	    NULL);
1751 
1752 	return (PX_OK);
1753 }
1754 
1755 /* DMC IMU - see io erpt doc, section 2.3 */
1756 PX_ERPT_SEND_DEC(imu)
1757 {
1758 	char		buf[FM_MAX_CLASS];
1759 	boolean_t	pri = PX_ERR_IS_PRI(bit);
1760 
1761 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
1762 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1763 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1764 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
1765 	    FIRE_IMU_ELE, DATA_TYPE_UINT64,
1766 	    CSR_XR(csr_base, IMU_ERROR_LOG_ENABLE),
1767 	    FIRE_IMU_IE, DATA_TYPE_UINT64,
1768 	    CSR_XR(csr_base, IMU_INTERRUPT_ENABLE),
1769 	    FIRE_IMU_IS, DATA_TYPE_UINT64,
1770 	    ss_reg,
1771 	    FIRE_IMU_ESS, DATA_TYPE_UINT64,
1772 	    CSR_XR(csr_base, IMU_ERROR_STATUS_SET),
1773 	    NULL);
1774 
1775 	return (PX_OK);
1776 }
1777 
1778 /* DMC MMU TFAR/TFSR - see io erpt doc, section 2.4 */
1779 PX_ERPT_SEND_DEC(mmu_tfar_tfsr)
1780 {
1781 	char		buf[FM_MAX_CLASS];
1782 	boolean_t	pri = PX_ERR_IS_PRI(bit);
1783 
1784 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
1785 
1786 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1787 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1788 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
1789 	    FIRE_MMU_ELE, DATA_TYPE_UINT64,
1790 	    CSR_XR(csr_base, MMU_ERROR_LOG_ENABLE),
1791 	    FIRE_MMU_IE, DATA_TYPE_UINT64,
1792 	    CSR_XR(csr_base, MMU_INTERRUPT_ENABLE),
1793 	    FIRE_MMU_IS, DATA_TYPE_UINT64,
1794 	    ss_reg,
1795 	    FIRE_MMU_ESS, DATA_TYPE_UINT64,
1796 	    CSR_XR(csr_base, MMU_ERROR_STATUS_SET),
1797 	    FIRE_MMU_TFAR, DATA_TYPE_UINT64,
1798 	    CSR_XR(csr_base, MMU_TRANSLATION_FAULT_ADDRESS),
1799 	    FIRE_MMU_TFSR, DATA_TYPE_UINT64,
1800 	    CSR_XR(csr_base, MMU_TRANSLATION_FAULT_STATUS),
1801 	    NULL);
1802 
1803 	return (PX_OK);
1804 }
1805 
1806 /* DMC MMU - see io erpt doc, section 2.5 */
1807 PX_ERPT_SEND_DEC(mmu)
1808 {
1809 	char		buf[FM_MAX_CLASS];
1810 	boolean_t	pri = PX_ERR_IS_PRI(bit);
1811 
1812 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
1813 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1814 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1815 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
1816 	    FIRE_MMU_ELE, DATA_TYPE_UINT64,
1817 	    CSR_XR(csr_base, MMU_ERROR_LOG_ENABLE),
1818 	    FIRE_MMU_IE, DATA_TYPE_UINT64,
1819 	    CSR_XR(csr_base, MMU_INTERRUPT_ENABLE),
1820 	    FIRE_MMU_IS, DATA_TYPE_UINT64,
1821 	    ss_reg,
1822 	    FIRE_MMU_ESS, DATA_TYPE_UINT64,
1823 	    CSR_XR(csr_base, MMU_ERROR_STATUS_SET),
1824 	    NULL);
1825 
1826 	return (PX_OK);
1827 }
1828 
1829 /* imu function to handle all Received but Not Enabled errors */
1830 int
1831 px_err_mmu_rbne_handle(dev_info_t *rpdip, caddr_t csr_base,
1832 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1833 	px_err_bit_desc_t *err_bit_descr)
1834 {
1835 	boolean_t	pri = PX_ERR_IS_PRI(err_bit_descr->bit);
1836 	uint64_t	mmu_log_enable, mmu_intr_enable;
1837 	uint64_t	mask = BITMASK(err_bit_descr->bit);
1838 	uint64_t	mmu_tfa, mmu_ctrl;
1839 	uint64_t	mmu_enable_bit = 0;
1840 	int		err = PX_NONFATAL;
1841 	int		ret;
1842 
1843 	mmu_log_enable = CSR_XR(csr_base, err_reg_descr->log_addr);
1844 	mmu_intr_enable = CSR_XR(csr_base, err_reg_descr->enable_addr);
1845 
1846 	mmu_tfa = CSR_XR(csr_base, MMU_TRANSLATION_FAULT_ADDRESS);
1847 	mmu_ctrl = CSR_XR(csr_base, MMU_CONTROL_AND_STATUS);
1848 
1849 	switch (err_bit_descr->bit) {
1850 	case MMU_INTERRUPT_STATUS_BYP_ERR_P:
1851 		mmu_enable_bit = BITMASK(MMU_CONTROL_AND_STATUS_BE);
1852 		break;
1853 	case MMU_INTERRUPT_STATUS_TRN_ERR_P:
1854 		mmu_enable_bit = BITMASK(MMU_CONTROL_AND_STATUS_TE);
1855 		break;
1856 	default:
1857 		mmu_enable_bit = 0;
1858 		break;
1859 	}
1860 
1861 	/*
1862 	 * If the interrupts are enabled and Translation/Bypass Enable bit
1863 	 * was set, then panic.  This error should not have occured.
1864 	 */
1865 	if (mmu_log_enable & mmu_intr_enable &
1866 	    (mmu_ctrl & mmu_enable_bit)) {
1867 		err = PX_FATAL_GOS;
1868 	} else {
1869 		if (!pri)
1870 			return (PX_FATAL_GOS);
1871 
1872 		ret = px_handle_lookup(
1873 			rpdip, DMA_HANDLE, derr->fme_ena, (void *)mmu_tfa);
1874 		err = (ret == DDI_FM_FATAL) ? PX_FATAL_GOS : PX_NONFATAL;
1875 
1876 		/*
1877 		 * S/W bug - this error should always be enabled
1878 		 */
1879 
1880 		/* enable error & intr reporting for this bit */
1881 		CSR_XS(csr_base, MMU_ERROR_LOG_ENABLE, mmu_log_enable | mask);
1882 		CSR_XS(csr_base, MMU_INTERRUPT_ENABLE, mmu_intr_enable | mask);
1883 
1884 		/* enable translation access/bypass enable */
1885 		CSR_XS(csr_base, MMU_CONTROL_AND_STATUS,
1886 		    mmu_ctrl | mmu_enable_bit);
1887 	}
1888 
1889 	return (err);
1890 }
1891 
1892 /* Generic error handling functions that involve MMU Translation Fault Addr */
1893 /* ARGSUSED */
1894 int
1895 px_err_mmu_tfa_handle(dev_info_t *rpdip, caddr_t csr_base,
1896 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1897 	px_err_bit_desc_t *err_bit_descr)
1898 {
1899 	boolean_t	pri = PX_ERR_IS_PRI(err_bit_descr->bit);
1900 	uint64_t	mmu_tfa;
1901 	uint_t		ret;
1902 
1903 	if (!pri)
1904 		return (PX_FATAL_GOS);
1905 
1906 	mmu_tfa = CSR_XR(csr_base, MMU_TRANSLATION_FAULT_ADDRESS);
1907 	ret = px_handle_lookup(
1908 		rpdip, DMA_HANDLE, derr->fme_ena, (void *)mmu_tfa);
1909 
1910 	return ((ret == DDI_FM_FATAL) ? PX_FATAL_GOS : PX_NONFATAL);
1911 }
1912 
1913 /* MMU Table walk errors */
1914 /* ARGSUSED */
1915 int
1916 px_err_mmu_tblwlk_handle(dev_info_t *rpdip, caddr_t csr_base,
1917 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1918 	px_err_bit_desc_t *err_bit_descr)
1919 {
1920 	boolean_t	pri = PX_ERR_IS_PRI(err_bit_descr->bit);
1921 	uint64_t	mmu_tfa;
1922 	uint_t		ret;
1923 
1924 	if (!pri)
1925 		return (PX_FATAL_GOS);
1926 
1927 	mmu_tfa = CSR_XR(csr_base, MMU_TRANSLATION_FAULT_ADDRESS);
1928 	ret = px_handle_lookup(
1929 		rpdip, DMA_HANDLE, derr->fme_ena, (void *)mmu_tfa);
1930 
1931 	return ((ret == DDI_FM_FATAL) ? PX_FATAL_GOS : PX_NONFATAL);
1932 }
1933 
1934 /*
1935  * TLU LUP event - if caused by power management activity, then it is expected.
1936  * In all other cases, it is an error.
1937  */
1938 /* ARGSUSED */
1939 int
1940 px_err_tlu_lup_handle(dev_info_t *rpdip, caddr_t csr_base,
1941 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1942 	px_err_bit_desc_t *err_bit_descr)
1943 {
1944 	px_t	*px_p = DIP_TO_STATE(rpdip);
1945 
1946 	/*
1947 	 * power management code is currently the only segment that sets
1948 	 * px_lup_pending to indicate its expectation for a healthy LUP
1949 	 * event.  For all other occasions, LUP event should be flaged as
1950 	 * error condition.
1951 	 */
1952 	return ((atomic_cas_32(&px_p->px_lup_pending, 1, 0) == 0) ?
1953 	    PX_NONFATAL : PX_OK);
1954 }
1955 
1956 /*
1957  * TLU LDN event - if caused by power management activity, then it is expected.
1958  * In all other cases, it is an error.
1959  */
1960 /* ARGSUSED */
1961 int
1962 px_err_tlu_ldn_handle(dev_info_t *rpdip, caddr_t csr_base,
1963 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1964 	px_err_bit_desc_t *err_bit_descr)
1965 {
1966 	px_t    *px_p = DIP_TO_STATE(rpdip);
1967 	return ((px_p->px_pm_flags & PX_LDN_EXPECTED) ? PX_OK : PX_NONFATAL);
1968 }
1969 
1970 /* PEC ILU none - see io erpt doc, section 3.1 */
1971 PX_ERPT_SEND_DEC(pec_ilu)
1972 {
1973 	char		buf[FM_MAX_CLASS];
1974 	boolean_t	pri = PX_ERR_IS_PRI(bit);
1975 
1976 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
1977 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
1978 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
1979 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
1980 	    FIRE_ILU_ELE, DATA_TYPE_UINT64,
1981 	    CSR_XR(csr_base, ILU_ERROR_LOG_ENABLE),
1982 	    FIRE_ILU_IE, DATA_TYPE_UINT64,
1983 	    CSR_XR(csr_base, ILU_INTERRUPT_ENABLE),
1984 	    FIRE_ILU_IS, DATA_TYPE_UINT64,
1985 	    ss_reg,
1986 	    FIRE_ILU_ESS, DATA_TYPE_UINT64,
1987 	    CSR_XR(csr_base, ILU_ERROR_STATUS_SET),
1988 	    NULL);
1989 
1990 	return (PX_OK);
1991 }
1992 
1993 /* PCIEX UE Errors */
1994 /* ARGSUSED */
1995 int
1996 px_err_pciex_ue_handle(dev_info_t *rpdip, caddr_t csr_base,
1997 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
1998 	px_err_bit_desc_t *err_bit_descr)
1999 {
2000 	uint32_t	mask = (uint32_t)BITMASK(err_bit_descr->bit);
2001 
2002 	return ((err_bit_descr->bit >= 32 && px_fabric_die_rc_ue_gos) ?
2003 	    PX_FATAL_GOS : PX_FABRIC_ERR_SEV(mask, px_fabric_die_rc_ue,
2004 		px_fabric_die_rc_ue_gos));
2005 }
2006 
2007 /* PCI-E Uncorrectable Errors - see io erpt doc, section 3.2 */
2008 PX_ERPT_SEND_DEC(pciex_rx_ue)
2009 {
2010 	char		buf[FM_MAX_CLASS];
2011 	boolean_t	pri = PX_ERR_IS_PRI(bit);
2012 
2013 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
2014 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
2015 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
2016 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
2017 	    FIRE_TLU_UELE, DATA_TYPE_UINT64,
2018 	    CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_LOG_ENABLE),
2019 	    FIRE_TLU_UIE, DATA_TYPE_UINT64,
2020 	    CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_INTERRUPT_ENABLE),
2021 	    FIRE_TLU_UIS, DATA_TYPE_UINT64,
2022 	    ss_reg,
2023 	    FIRE_TLU_UESS, DATA_TYPE_UINT64,
2024 	    CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_STATUS_SET),
2025 	    FIRE_TLU_RUEH1L, DATA_TYPE_UINT64,
2026 	    CSR_XR(csr_base, TLU_RECEIVE_UNCORRECTABLE_ERROR_HEADER1_LOG),
2027 	    FIRE_TLU_RUEH2L, DATA_TYPE_UINT64,
2028 	    CSR_XR(csr_base, TLU_RECEIVE_UNCORRECTABLE_ERROR_HEADER2_LOG),
2029 	    NULL);
2030 
2031 	return (PX_OK);
2032 }
2033 
2034 /* PCI-E Uncorrectable Errors - see io erpt doc, section 3.3 */
2035 PX_ERPT_SEND_DEC(pciex_tx_ue)
2036 {
2037 	char		buf[FM_MAX_CLASS];
2038 	boolean_t	pri = PX_ERR_IS_PRI(bit);
2039 
2040 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
2041 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
2042 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
2043 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
2044 	    FIRE_TLU_UELE, DATA_TYPE_UINT64,
2045 	    CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_LOG_ENABLE),
2046 	    FIRE_TLU_UIE, DATA_TYPE_UINT64,
2047 	    CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_INTERRUPT_ENABLE),
2048 	    FIRE_TLU_UIS, DATA_TYPE_UINT64,
2049 	    ss_reg,
2050 	    FIRE_TLU_UESS, DATA_TYPE_UINT64,
2051 	    CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_STATUS_SET),
2052 	    FIRE_TLU_TUEH1L, DATA_TYPE_UINT64,
2053 	    CSR_XR(csr_base, TLU_TRANSMIT_UNCORRECTABLE_ERROR_HEADER1_LOG),
2054 	    FIRE_TLU_TUEH2L, DATA_TYPE_UINT64,
2055 	    CSR_XR(csr_base, TLU_TRANSMIT_UNCORRECTABLE_ERROR_HEADER2_LOG),
2056 	    NULL);
2057 
2058 	return (PX_OK);
2059 }
2060 
2061 /* PCI-E Uncorrectable Errors - see io erpt doc, section 3.4 */
2062 PX_ERPT_SEND_DEC(pciex_rx_tx_ue)
2063 {
2064 	char		buf[FM_MAX_CLASS];
2065 	boolean_t	pri = PX_ERR_IS_PRI(bit);
2066 
2067 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
2068 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
2069 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
2070 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
2071 	    FIRE_TLU_UELE, DATA_TYPE_UINT64,
2072 	    CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_LOG_ENABLE),
2073 	    FIRE_TLU_UIE, DATA_TYPE_UINT64,
2074 	    CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_INTERRUPT_ENABLE),
2075 	    FIRE_TLU_UIS, DATA_TYPE_UINT64,
2076 	    ss_reg,
2077 	    FIRE_TLU_UESS, DATA_TYPE_UINT64,
2078 	    CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_STATUS_SET),
2079 	    FIRE_TLU_RUEH1L, DATA_TYPE_UINT64,
2080 	    CSR_XR(csr_base, TLU_RECEIVE_UNCORRECTABLE_ERROR_HEADER1_LOG),
2081 	    FIRE_TLU_RUEH2L, DATA_TYPE_UINT64,
2082 	    CSR_XR(csr_base, TLU_RECEIVE_UNCORRECTABLE_ERROR_HEADER2_LOG),
2083 	    FIRE_TLU_TUEH1L, DATA_TYPE_UINT64,
2084 	    CSR_XR(csr_base, TLU_TRANSMIT_UNCORRECTABLE_ERROR_HEADER1_LOG),
2085 	    FIRE_TLU_TUEH2L, DATA_TYPE_UINT64,
2086 	    CSR_XR(csr_base, TLU_TRANSMIT_UNCORRECTABLE_ERROR_HEADER2_LOG),
2087 	    NULL);
2088 
2089 	return (PX_OK);
2090 }
2091 
2092 /* PCI-E Uncorrectable Errors - see io erpt doc, section 3.5 */
2093 PX_ERPT_SEND_DEC(pciex_ue)
2094 {
2095 	char		buf[FM_MAX_CLASS];
2096 	boolean_t	pri = PX_ERR_IS_PRI(bit);
2097 
2098 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
2099 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
2100 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
2101 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
2102 	    FIRE_TLU_UELE, DATA_TYPE_UINT64,
2103 	    CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_LOG_ENABLE),
2104 	    FIRE_TLU_UIE, DATA_TYPE_UINT64,
2105 	    CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_INTERRUPT_ENABLE),
2106 	    FIRE_TLU_UIS, DATA_TYPE_UINT64,
2107 	    ss_reg,
2108 	    FIRE_TLU_UESS, DATA_TYPE_UINT64,
2109 	    CSR_XR(csr_base, TLU_UNCORRECTABLE_ERROR_STATUS_SET),
2110 	    NULL);
2111 
2112 	return (PX_OK);
2113 }
2114 
2115 /* PCIEX UE Errors */
2116 /* ARGSUSED */
2117 int
2118 px_err_pciex_ce_handle(dev_info_t *rpdip, caddr_t csr_base,
2119 	ddi_fm_error_t *derr, px_err_reg_desc_t *err_reg_descr,
2120 	px_err_bit_desc_t *err_bit_descr)
2121 {
2122 	uint32_t	mask = (uint32_t)BITMASK(err_bit_descr->bit);
2123 
2124 	return ((err_bit_descr->bit >= 32 && px_fabric_die_rc_ce_gos) ?
2125 	    PX_FATAL_GOS : PX_FABRIC_ERR_SEV(mask, px_fabric_die_rc_ce,
2126 		px_fabric_die_rc_ce_gos));
2127 }
2128 
2129 /* PCI-E Correctable Errors - see io erpt doc, section 3.6 */
2130 PX_ERPT_SEND_DEC(pciex_ce)
2131 {
2132 	char		buf[FM_MAX_CLASS];
2133 	boolean_t	pri = PX_ERR_IS_PRI(bit);
2134 
2135 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
2136 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
2137 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
2138 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
2139 	    FIRE_TLU_CELE, DATA_TYPE_UINT64,
2140 	    CSR_XR(csr_base, TLU_CORRECTABLE_ERROR_LOG_ENABLE),
2141 	    FIRE_TLU_CIE, DATA_TYPE_UINT64,
2142 	    CSR_XR(csr_base, TLU_CORRECTABLE_ERROR_INTERRUPT_ENABLE),
2143 	    FIRE_TLU_CIS, DATA_TYPE_UINT64,
2144 	    ss_reg,
2145 	    FIRE_TLU_CESS, DATA_TYPE_UINT64,
2146 	    CSR_XR(csr_base, TLU_CORRECTABLE_ERROR_STATUS_SET),
2147 	    NULL);
2148 
2149 	return (PX_OK);
2150 }
2151 
2152 /* TLU Other Event Status (receive only) - see io erpt doc, section 3.7 */
2153 PX_ERPT_SEND_DEC(pciex_rx_oe)
2154 {
2155 	char		buf[FM_MAX_CLASS];
2156 	boolean_t	pri = PX_ERR_IS_PRI(bit);
2157 
2158 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
2159 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
2160 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
2161 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
2162 	    FIRE_TLU_OEELE, DATA_TYPE_UINT64,
2163 	    CSR_XR(csr_base, TLU_OTHER_EVENT_LOG_ENABLE),
2164 	    FIRE_TLU_OEIE, DATA_TYPE_UINT64,
2165 	    CSR_XR(csr_base, TLU_OTHER_EVENT_INTERRUPT_ENABLE),
2166 	    FIRE_TLU_OEIS, DATA_TYPE_UINT64,
2167 	    ss_reg,
2168 	    FIRE_TLU_OEESS, DATA_TYPE_UINT64,
2169 	    CSR_XR(csr_base, TLU_OTHER_EVENT_STATUS_SET),
2170 	    FIRE_TLU_RUEH1L, DATA_TYPE_UINT64,
2171 	    CSR_XR(csr_base, TLU_RECEIVE_OTHER_EVENT_HEADER1_LOG),
2172 	    FIRE_TLU_RUEH2L, DATA_TYPE_UINT64,
2173 	    CSR_XR(csr_base, TLU_RECEIVE_OTHER_EVENT_HEADER2_LOG),
2174 	    NULL);
2175 
2176 	return (PX_OK);
2177 }
2178 
2179 /* TLU Other Event Status (rx + tx) - see io erpt doc, section 3.8 */
2180 PX_ERPT_SEND_DEC(pciex_rx_tx_oe)
2181 {
2182 	char		buf[FM_MAX_CLASS];
2183 	boolean_t	pri = PX_ERR_IS_PRI(bit);
2184 
2185 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
2186 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
2187 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
2188 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
2189 	    FIRE_TLU_OEELE, DATA_TYPE_UINT64,
2190 	    CSR_XR(csr_base, TLU_OTHER_EVENT_LOG_ENABLE),
2191 	    FIRE_TLU_OEIE, DATA_TYPE_UINT64,
2192 	    CSR_XR(csr_base, TLU_OTHER_EVENT_INTERRUPT_ENABLE),
2193 	    FIRE_TLU_OEIS, DATA_TYPE_UINT64,
2194 	    ss_reg,
2195 	    FIRE_TLU_OEESS, DATA_TYPE_UINT64,
2196 	    CSR_XR(csr_base, TLU_OTHER_EVENT_STATUS_SET),
2197 	    FIRE_TLU_ROEEH1L, DATA_TYPE_UINT64,
2198 	    CSR_XR(csr_base, TLU_RECEIVE_OTHER_EVENT_HEADER1_LOG),
2199 	    FIRE_TLU_ROEEH2L, DATA_TYPE_UINT64,
2200 	    CSR_XR(csr_base, TLU_RECEIVE_OTHER_EVENT_HEADER2_LOG),
2201 	    FIRE_TLU_TOEEH1L, DATA_TYPE_UINT64,
2202 	    CSR_XR(csr_base, TLU_TRANSMIT_OTHER_EVENT_HEADER1_LOG),
2203 	    FIRE_TLU_TOEEH2L, DATA_TYPE_UINT64,
2204 	    CSR_XR(csr_base, TLU_TRANSMIT_OTHER_EVENT_HEADER2_LOG),
2205 	    NULL);
2206 
2207 	return (PX_OK);
2208 }
2209 
2210 /* TLU Other Event - see io erpt doc, section 3.9 */
2211 PX_ERPT_SEND_DEC(pciex_oe)
2212 {
2213 	char		buf[FM_MAX_CLASS];
2214 	boolean_t	pri = PX_ERR_IS_PRI(bit);
2215 
2216 	(void) snprintf(buf, FM_MAX_CLASS, "%s", class_name);
2217 	ddi_fm_ereport_post(rpdip, buf, derr->fme_ena,
2218 	    DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, 0,
2219 	    FIRE_PRIMARY, DATA_TYPE_BOOLEAN_VALUE, pri,
2220 	    FIRE_TLU_OEELE, DATA_TYPE_UINT64,
2221 	    CSR_XR(csr_base, TLU_OTHER_EVENT_LOG_ENABLE),
2222 	    FIRE_TLU_OEIE, DATA_TYPE_UINT64,
2223 	    CSR_XR(csr_base, TLU_OTHER_EVENT_INTERRUPT_ENABLE),
2224 	    FIRE_TLU_OEIS, DATA_TYPE_UINT64,
2225 	    ss_reg,
2226 	    FIRE_TLU_OEESS, DATA_TYPE_UINT64,
2227 	    CSR_XR(csr_base, TLU_OTHER_EVENT_STATUS_SET),
2228 	    NULL);
2229 
2230 	return (PX_OK);
2231 }
2232