xref: /linux/arch/x86/events/intel/uncore_snb.c (revision 0526b56cbc3c489642bd6a5fe4b718dea7ef0ee8)
1 // SPDX-License-Identifier: GPL-2.0
2 /* Nehalem/SandBridge/Haswell/Broadwell/Skylake uncore support */
3 #include "uncore.h"
4 #include "uncore_discovery.h"
5 
6 /* Uncore IMC PCI IDs */
7 #define PCI_DEVICE_ID_INTEL_SNB_IMC		0x0100
8 #define PCI_DEVICE_ID_INTEL_IVB_IMC		0x0154
9 #define PCI_DEVICE_ID_INTEL_IVB_E3_IMC		0x0150
10 #define PCI_DEVICE_ID_INTEL_HSW_IMC		0x0c00
11 #define PCI_DEVICE_ID_INTEL_HSW_U_IMC		0x0a04
12 #define PCI_DEVICE_ID_INTEL_BDW_IMC		0x1604
13 #define PCI_DEVICE_ID_INTEL_SKL_U_IMC		0x1904
14 #define PCI_DEVICE_ID_INTEL_SKL_Y_IMC		0x190c
15 #define PCI_DEVICE_ID_INTEL_SKL_HD_IMC		0x1900
16 #define PCI_DEVICE_ID_INTEL_SKL_HQ_IMC		0x1910
17 #define PCI_DEVICE_ID_INTEL_SKL_SD_IMC		0x190f
18 #define PCI_DEVICE_ID_INTEL_SKL_SQ_IMC		0x191f
19 #define PCI_DEVICE_ID_INTEL_SKL_E3_IMC		0x1918
20 #define PCI_DEVICE_ID_INTEL_KBL_Y_IMC		0x590c
21 #define PCI_DEVICE_ID_INTEL_KBL_U_IMC		0x5904
22 #define PCI_DEVICE_ID_INTEL_KBL_UQ_IMC		0x5914
23 #define PCI_DEVICE_ID_INTEL_KBL_SD_IMC		0x590f
24 #define PCI_DEVICE_ID_INTEL_KBL_SQ_IMC		0x591f
25 #define PCI_DEVICE_ID_INTEL_KBL_HQ_IMC		0x5910
26 #define PCI_DEVICE_ID_INTEL_KBL_WQ_IMC		0x5918
27 #define PCI_DEVICE_ID_INTEL_CFL_2U_IMC		0x3ecc
28 #define PCI_DEVICE_ID_INTEL_CFL_4U_IMC		0x3ed0
29 #define PCI_DEVICE_ID_INTEL_CFL_4H_IMC		0x3e10
30 #define PCI_DEVICE_ID_INTEL_CFL_6H_IMC		0x3ec4
31 #define PCI_DEVICE_ID_INTEL_CFL_2S_D_IMC	0x3e0f
32 #define PCI_DEVICE_ID_INTEL_CFL_4S_D_IMC	0x3e1f
33 #define PCI_DEVICE_ID_INTEL_CFL_6S_D_IMC	0x3ec2
34 #define PCI_DEVICE_ID_INTEL_CFL_8S_D_IMC	0x3e30
35 #define PCI_DEVICE_ID_INTEL_CFL_4S_W_IMC	0x3e18
36 #define PCI_DEVICE_ID_INTEL_CFL_6S_W_IMC	0x3ec6
37 #define PCI_DEVICE_ID_INTEL_CFL_8S_W_IMC	0x3e31
38 #define PCI_DEVICE_ID_INTEL_CFL_4S_S_IMC	0x3e33
39 #define PCI_DEVICE_ID_INTEL_CFL_6S_S_IMC	0x3eca
40 #define PCI_DEVICE_ID_INTEL_CFL_8S_S_IMC	0x3e32
41 #define PCI_DEVICE_ID_INTEL_AML_YD_IMC		0x590c
42 #define PCI_DEVICE_ID_INTEL_AML_YQ_IMC		0x590d
43 #define PCI_DEVICE_ID_INTEL_WHL_UQ_IMC		0x3ed0
44 #define PCI_DEVICE_ID_INTEL_WHL_4_UQ_IMC	0x3e34
45 #define PCI_DEVICE_ID_INTEL_WHL_UD_IMC		0x3e35
46 #define PCI_DEVICE_ID_INTEL_CML_H1_IMC		0x9b44
47 #define PCI_DEVICE_ID_INTEL_CML_H2_IMC		0x9b54
48 #define PCI_DEVICE_ID_INTEL_CML_H3_IMC		0x9b64
49 #define PCI_DEVICE_ID_INTEL_CML_U1_IMC		0x9b51
50 #define PCI_DEVICE_ID_INTEL_CML_U2_IMC		0x9b61
51 #define PCI_DEVICE_ID_INTEL_CML_U3_IMC		0x9b71
52 #define PCI_DEVICE_ID_INTEL_CML_S1_IMC		0x9b33
53 #define PCI_DEVICE_ID_INTEL_CML_S2_IMC		0x9b43
54 #define PCI_DEVICE_ID_INTEL_CML_S3_IMC		0x9b53
55 #define PCI_DEVICE_ID_INTEL_CML_S4_IMC		0x9b63
56 #define PCI_DEVICE_ID_INTEL_CML_S5_IMC		0x9b73
57 #define PCI_DEVICE_ID_INTEL_ICL_U_IMC		0x8a02
58 #define PCI_DEVICE_ID_INTEL_ICL_U2_IMC		0x8a12
59 #define PCI_DEVICE_ID_INTEL_TGL_U1_IMC		0x9a02
60 #define PCI_DEVICE_ID_INTEL_TGL_U2_IMC		0x9a04
61 #define PCI_DEVICE_ID_INTEL_TGL_U3_IMC		0x9a12
62 #define PCI_DEVICE_ID_INTEL_TGL_U4_IMC		0x9a14
63 #define PCI_DEVICE_ID_INTEL_TGL_H_IMC		0x9a36
64 #define PCI_DEVICE_ID_INTEL_RKL_1_IMC		0x4c43
65 #define PCI_DEVICE_ID_INTEL_RKL_2_IMC		0x4c53
66 #define PCI_DEVICE_ID_INTEL_ADL_1_IMC		0x4660
67 #define PCI_DEVICE_ID_INTEL_ADL_2_IMC		0x4641
68 #define PCI_DEVICE_ID_INTEL_ADL_3_IMC		0x4601
69 #define PCI_DEVICE_ID_INTEL_ADL_4_IMC		0x4602
70 #define PCI_DEVICE_ID_INTEL_ADL_5_IMC		0x4609
71 #define PCI_DEVICE_ID_INTEL_ADL_6_IMC		0x460a
72 #define PCI_DEVICE_ID_INTEL_ADL_7_IMC		0x4621
73 #define PCI_DEVICE_ID_INTEL_ADL_8_IMC		0x4623
74 #define PCI_DEVICE_ID_INTEL_ADL_9_IMC		0x4629
75 #define PCI_DEVICE_ID_INTEL_ADL_10_IMC		0x4637
76 #define PCI_DEVICE_ID_INTEL_ADL_11_IMC		0x463b
77 #define PCI_DEVICE_ID_INTEL_ADL_12_IMC		0x4648
78 #define PCI_DEVICE_ID_INTEL_ADL_13_IMC		0x4649
79 #define PCI_DEVICE_ID_INTEL_ADL_14_IMC		0x4650
80 #define PCI_DEVICE_ID_INTEL_ADL_15_IMC		0x4668
81 #define PCI_DEVICE_ID_INTEL_ADL_16_IMC		0x4670
82 #define PCI_DEVICE_ID_INTEL_ADL_17_IMC		0x4614
83 #define PCI_DEVICE_ID_INTEL_ADL_18_IMC		0x4617
84 #define PCI_DEVICE_ID_INTEL_ADL_19_IMC		0x4618
85 #define PCI_DEVICE_ID_INTEL_ADL_20_IMC		0x461B
86 #define PCI_DEVICE_ID_INTEL_ADL_21_IMC		0x461C
87 #define PCI_DEVICE_ID_INTEL_RPL_1_IMC		0xA700
88 #define PCI_DEVICE_ID_INTEL_RPL_2_IMC		0xA702
89 #define PCI_DEVICE_ID_INTEL_RPL_3_IMC		0xA706
90 #define PCI_DEVICE_ID_INTEL_RPL_4_IMC		0xA709
91 #define PCI_DEVICE_ID_INTEL_RPL_5_IMC		0xA701
92 #define PCI_DEVICE_ID_INTEL_RPL_6_IMC		0xA703
93 #define PCI_DEVICE_ID_INTEL_RPL_7_IMC		0xA704
94 #define PCI_DEVICE_ID_INTEL_RPL_8_IMC		0xA705
95 #define PCI_DEVICE_ID_INTEL_RPL_9_IMC		0xA706
96 #define PCI_DEVICE_ID_INTEL_RPL_10_IMC		0xA707
97 #define PCI_DEVICE_ID_INTEL_RPL_11_IMC		0xA708
98 #define PCI_DEVICE_ID_INTEL_RPL_12_IMC		0xA709
99 #define PCI_DEVICE_ID_INTEL_RPL_13_IMC		0xA70a
100 #define PCI_DEVICE_ID_INTEL_RPL_14_IMC		0xA70b
101 #define PCI_DEVICE_ID_INTEL_RPL_15_IMC		0xA715
102 #define PCI_DEVICE_ID_INTEL_RPL_16_IMC		0xA716
103 #define PCI_DEVICE_ID_INTEL_RPL_17_IMC		0xA717
104 #define PCI_DEVICE_ID_INTEL_RPL_18_IMC		0xA718
105 #define PCI_DEVICE_ID_INTEL_RPL_19_IMC		0xA719
106 #define PCI_DEVICE_ID_INTEL_RPL_20_IMC		0xA71A
107 #define PCI_DEVICE_ID_INTEL_RPL_21_IMC		0xA71B
108 #define PCI_DEVICE_ID_INTEL_RPL_22_IMC		0xA71C
109 #define PCI_DEVICE_ID_INTEL_RPL_23_IMC		0xA728
110 #define PCI_DEVICE_ID_INTEL_RPL_24_IMC		0xA729
111 #define PCI_DEVICE_ID_INTEL_RPL_25_IMC		0xA72A
112 #define PCI_DEVICE_ID_INTEL_MTL_1_IMC		0x7d00
113 #define PCI_DEVICE_ID_INTEL_MTL_2_IMC		0x7d01
114 #define PCI_DEVICE_ID_INTEL_MTL_3_IMC		0x7d02
115 #define PCI_DEVICE_ID_INTEL_MTL_4_IMC		0x7d05
116 #define PCI_DEVICE_ID_INTEL_MTL_5_IMC		0x7d10
117 #define PCI_DEVICE_ID_INTEL_MTL_6_IMC		0x7d14
118 #define PCI_DEVICE_ID_INTEL_MTL_7_IMC		0x7d15
119 #define PCI_DEVICE_ID_INTEL_MTL_8_IMC		0x7d16
120 #define PCI_DEVICE_ID_INTEL_MTL_9_IMC		0x7d21
121 #define PCI_DEVICE_ID_INTEL_MTL_10_IMC		0x7d22
122 #define PCI_DEVICE_ID_INTEL_MTL_11_IMC		0x7d23
123 #define PCI_DEVICE_ID_INTEL_MTL_12_IMC		0x7d24
124 #define PCI_DEVICE_ID_INTEL_MTL_13_IMC		0x7d28
125 
126 
127 #define IMC_UNCORE_DEV(a)						\
128 {									\
129 	PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_##a##_IMC),	\
130 	.driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0),	\
131 }
132 
133 /* SNB event control */
134 #define SNB_UNC_CTL_EV_SEL_MASK			0x000000ff
135 #define SNB_UNC_CTL_UMASK_MASK			0x0000ff00
136 #define SNB_UNC_CTL_EDGE_DET			(1 << 18)
137 #define SNB_UNC_CTL_EN				(1 << 22)
138 #define SNB_UNC_CTL_INVERT			(1 << 23)
139 #define SNB_UNC_CTL_CMASK_MASK			0x1f000000
140 #define NHM_UNC_CTL_CMASK_MASK			0xff000000
141 #define NHM_UNC_FIXED_CTR_CTL_EN		(1 << 0)
142 
143 #define SNB_UNC_RAW_EVENT_MASK			(SNB_UNC_CTL_EV_SEL_MASK | \
144 						 SNB_UNC_CTL_UMASK_MASK | \
145 						 SNB_UNC_CTL_EDGE_DET | \
146 						 SNB_UNC_CTL_INVERT | \
147 						 SNB_UNC_CTL_CMASK_MASK)
148 
149 #define NHM_UNC_RAW_EVENT_MASK			(SNB_UNC_CTL_EV_SEL_MASK | \
150 						 SNB_UNC_CTL_UMASK_MASK | \
151 						 SNB_UNC_CTL_EDGE_DET | \
152 						 SNB_UNC_CTL_INVERT | \
153 						 NHM_UNC_CTL_CMASK_MASK)
154 
155 /* SNB global control register */
156 #define SNB_UNC_PERF_GLOBAL_CTL                 0x391
157 #define SNB_UNC_FIXED_CTR_CTRL                  0x394
158 #define SNB_UNC_FIXED_CTR                       0x395
159 
160 /* SNB uncore global control */
161 #define SNB_UNC_GLOBAL_CTL_CORE_ALL             ((1 << 4) - 1)
162 #define SNB_UNC_GLOBAL_CTL_EN                   (1 << 29)
163 
164 /* SNB Cbo register */
165 #define SNB_UNC_CBO_0_PERFEVTSEL0               0x700
166 #define SNB_UNC_CBO_0_PER_CTR0                  0x706
167 #define SNB_UNC_CBO_MSR_OFFSET                  0x10
168 
169 /* SNB ARB register */
170 #define SNB_UNC_ARB_PER_CTR0			0x3b0
171 #define SNB_UNC_ARB_PERFEVTSEL0			0x3b2
172 #define SNB_UNC_ARB_MSR_OFFSET			0x10
173 
174 /* NHM global control register */
175 #define NHM_UNC_PERF_GLOBAL_CTL                 0x391
176 #define NHM_UNC_FIXED_CTR                       0x394
177 #define NHM_UNC_FIXED_CTR_CTRL                  0x395
178 
179 /* NHM uncore global control */
180 #define NHM_UNC_GLOBAL_CTL_EN_PC_ALL            ((1ULL << 8) - 1)
181 #define NHM_UNC_GLOBAL_CTL_EN_FC                (1ULL << 32)
182 
183 /* NHM uncore register */
184 #define NHM_UNC_PERFEVTSEL0                     0x3c0
185 #define NHM_UNC_UNCORE_PMC0                     0x3b0
186 
187 /* SKL uncore global control */
188 #define SKL_UNC_PERF_GLOBAL_CTL			0xe01
189 #define SKL_UNC_GLOBAL_CTL_CORE_ALL		((1 << 5) - 1)
190 
191 /* ICL Cbo register */
192 #define ICL_UNC_CBO_CONFIG			0x396
193 #define ICL_UNC_NUM_CBO_MASK			0xf
194 #define ICL_UNC_CBO_0_PER_CTR0			0x702
195 #define ICL_UNC_CBO_MSR_OFFSET			0x8
196 
197 /* ICL ARB register */
198 #define ICL_UNC_ARB_PER_CTR			0x3b1
199 #define ICL_UNC_ARB_PERFEVTSEL			0x3b3
200 
201 /* ADL uncore global control */
202 #define ADL_UNC_PERF_GLOBAL_CTL			0x2ff0
203 #define ADL_UNC_FIXED_CTR_CTRL                  0x2fde
204 #define ADL_UNC_FIXED_CTR                       0x2fdf
205 
206 /* ADL Cbo register */
207 #define ADL_UNC_CBO_0_PER_CTR0			0x2002
208 #define ADL_UNC_CBO_0_PERFEVTSEL0		0x2000
209 #define ADL_UNC_CTL_THRESHOLD			0x3f000000
210 #define ADL_UNC_RAW_EVENT_MASK			(SNB_UNC_CTL_EV_SEL_MASK | \
211 						 SNB_UNC_CTL_UMASK_MASK | \
212 						 SNB_UNC_CTL_EDGE_DET | \
213 						 SNB_UNC_CTL_INVERT | \
214 						 ADL_UNC_CTL_THRESHOLD)
215 
216 /* ADL ARB register */
217 #define ADL_UNC_ARB_PER_CTR0			0x2FD2
218 #define ADL_UNC_ARB_PERFEVTSEL0			0x2FD0
219 #define ADL_UNC_ARB_MSR_OFFSET			0x8
220 
221 /* MTL Cbo register */
222 #define MTL_UNC_CBO_0_PER_CTR0			0x2448
223 #define MTL_UNC_CBO_0_PERFEVTSEL0		0x2442
224 
225 /* MTL HAC_ARB register */
226 #define MTL_UNC_HAC_ARB_CTR			0x2018
227 #define MTL_UNC_HAC_ARB_CTRL			0x2012
228 
229 /* MTL ARB register */
230 #define MTL_UNC_ARB_CTR				0x2418
231 #define MTL_UNC_ARB_CTRL			0x2412
232 
233 /* MTL cNCU register */
234 #define MTL_UNC_CNCU_FIXED_CTR			0x2408
235 #define MTL_UNC_CNCU_FIXED_CTRL			0x2402
236 #define MTL_UNC_CNCU_BOX_CTL			0x240e
237 
238 /* MTL sNCU register */
239 #define MTL_UNC_SNCU_FIXED_CTR			0x2008
240 #define MTL_UNC_SNCU_FIXED_CTRL			0x2002
241 #define MTL_UNC_SNCU_BOX_CTL			0x200e
242 
243 /* MTL HAC_CBO register */
244 #define MTL_UNC_HBO_CTR				0x2048
245 #define MTL_UNC_HBO_CTRL			0x2042
246 
247 DEFINE_UNCORE_FORMAT_ATTR(event, event, "config:0-7");
248 DEFINE_UNCORE_FORMAT_ATTR(umask, umask, "config:8-15");
249 DEFINE_UNCORE_FORMAT_ATTR(chmask, chmask, "config:8-11");
250 DEFINE_UNCORE_FORMAT_ATTR(edge, edge, "config:18");
251 DEFINE_UNCORE_FORMAT_ATTR(inv, inv, "config:23");
252 DEFINE_UNCORE_FORMAT_ATTR(cmask5, cmask, "config:24-28");
253 DEFINE_UNCORE_FORMAT_ATTR(cmask8, cmask, "config:24-31");
254 DEFINE_UNCORE_FORMAT_ATTR(threshold, threshold, "config:24-29");
255 
256 /* Sandy Bridge uncore support */
257 static void snb_uncore_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event)
258 {
259 	struct hw_perf_event *hwc = &event->hw;
260 
261 	if (hwc->idx < UNCORE_PMC_IDX_FIXED)
262 		wrmsrl(hwc->config_base, hwc->config | SNB_UNC_CTL_EN);
263 	else
264 		wrmsrl(hwc->config_base, SNB_UNC_CTL_EN);
265 }
266 
267 static void snb_uncore_msr_disable_event(struct intel_uncore_box *box, struct perf_event *event)
268 {
269 	wrmsrl(event->hw.config_base, 0);
270 }
271 
272 static void snb_uncore_msr_init_box(struct intel_uncore_box *box)
273 {
274 	if (box->pmu->pmu_idx == 0) {
275 		wrmsrl(SNB_UNC_PERF_GLOBAL_CTL,
276 			SNB_UNC_GLOBAL_CTL_EN | SNB_UNC_GLOBAL_CTL_CORE_ALL);
277 	}
278 }
279 
280 static void snb_uncore_msr_enable_box(struct intel_uncore_box *box)
281 {
282 	wrmsrl(SNB_UNC_PERF_GLOBAL_CTL,
283 		SNB_UNC_GLOBAL_CTL_EN | SNB_UNC_GLOBAL_CTL_CORE_ALL);
284 }
285 
286 static void snb_uncore_msr_exit_box(struct intel_uncore_box *box)
287 {
288 	if (box->pmu->pmu_idx == 0)
289 		wrmsrl(SNB_UNC_PERF_GLOBAL_CTL, 0);
290 }
291 
292 static struct uncore_event_desc snb_uncore_events[] = {
293 	INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0x00"),
294 	{ /* end: all zeroes */ },
295 };
296 
297 static struct attribute *snb_uncore_formats_attr[] = {
298 	&format_attr_event.attr,
299 	&format_attr_umask.attr,
300 	&format_attr_edge.attr,
301 	&format_attr_inv.attr,
302 	&format_attr_cmask5.attr,
303 	NULL,
304 };
305 
306 static const struct attribute_group snb_uncore_format_group = {
307 	.name		= "format",
308 	.attrs		= snb_uncore_formats_attr,
309 };
310 
311 static struct intel_uncore_ops snb_uncore_msr_ops = {
312 	.init_box	= snb_uncore_msr_init_box,
313 	.enable_box	= snb_uncore_msr_enable_box,
314 	.exit_box	= snb_uncore_msr_exit_box,
315 	.disable_event	= snb_uncore_msr_disable_event,
316 	.enable_event	= snb_uncore_msr_enable_event,
317 	.read_counter	= uncore_msr_read_counter,
318 };
319 
320 static struct event_constraint snb_uncore_arb_constraints[] = {
321 	UNCORE_EVENT_CONSTRAINT(0x80, 0x1),
322 	UNCORE_EVENT_CONSTRAINT(0x83, 0x1),
323 	EVENT_CONSTRAINT_END
324 };
325 
326 static struct intel_uncore_type snb_uncore_cbox = {
327 	.name		= "cbox",
328 	.num_counters   = 2,
329 	.num_boxes	= 4,
330 	.perf_ctr_bits	= 44,
331 	.fixed_ctr_bits	= 48,
332 	.perf_ctr	= SNB_UNC_CBO_0_PER_CTR0,
333 	.event_ctl	= SNB_UNC_CBO_0_PERFEVTSEL0,
334 	.fixed_ctr	= SNB_UNC_FIXED_CTR,
335 	.fixed_ctl	= SNB_UNC_FIXED_CTR_CTRL,
336 	.single_fixed	= 1,
337 	.event_mask	= SNB_UNC_RAW_EVENT_MASK,
338 	.msr_offset	= SNB_UNC_CBO_MSR_OFFSET,
339 	.ops		= &snb_uncore_msr_ops,
340 	.format_group	= &snb_uncore_format_group,
341 	.event_descs	= snb_uncore_events,
342 };
343 
344 static struct intel_uncore_type snb_uncore_arb = {
345 	.name		= "arb",
346 	.num_counters   = 2,
347 	.num_boxes	= 1,
348 	.perf_ctr_bits	= 44,
349 	.perf_ctr	= SNB_UNC_ARB_PER_CTR0,
350 	.event_ctl	= SNB_UNC_ARB_PERFEVTSEL0,
351 	.event_mask	= SNB_UNC_RAW_EVENT_MASK,
352 	.msr_offset	= SNB_UNC_ARB_MSR_OFFSET,
353 	.constraints	= snb_uncore_arb_constraints,
354 	.ops		= &snb_uncore_msr_ops,
355 	.format_group	= &snb_uncore_format_group,
356 };
357 
358 static struct intel_uncore_type *snb_msr_uncores[] = {
359 	&snb_uncore_cbox,
360 	&snb_uncore_arb,
361 	NULL,
362 };
363 
364 void snb_uncore_cpu_init(void)
365 {
366 	uncore_msr_uncores = snb_msr_uncores;
367 	if (snb_uncore_cbox.num_boxes > boot_cpu_data.x86_max_cores)
368 		snb_uncore_cbox.num_boxes = boot_cpu_data.x86_max_cores;
369 }
370 
371 static void skl_uncore_msr_init_box(struct intel_uncore_box *box)
372 {
373 	if (box->pmu->pmu_idx == 0) {
374 		wrmsrl(SKL_UNC_PERF_GLOBAL_CTL,
375 			SNB_UNC_GLOBAL_CTL_EN | SKL_UNC_GLOBAL_CTL_CORE_ALL);
376 	}
377 
378 	/* The 8th CBOX has different MSR space */
379 	if (box->pmu->pmu_idx == 7)
380 		__set_bit(UNCORE_BOX_FLAG_CFL8_CBOX_MSR_OFFS, &box->flags);
381 }
382 
383 static void skl_uncore_msr_enable_box(struct intel_uncore_box *box)
384 {
385 	wrmsrl(SKL_UNC_PERF_GLOBAL_CTL,
386 		SNB_UNC_GLOBAL_CTL_EN | SKL_UNC_GLOBAL_CTL_CORE_ALL);
387 }
388 
389 static void skl_uncore_msr_exit_box(struct intel_uncore_box *box)
390 {
391 	if (box->pmu->pmu_idx == 0)
392 		wrmsrl(SKL_UNC_PERF_GLOBAL_CTL, 0);
393 }
394 
395 static struct intel_uncore_ops skl_uncore_msr_ops = {
396 	.init_box	= skl_uncore_msr_init_box,
397 	.enable_box	= skl_uncore_msr_enable_box,
398 	.exit_box	= skl_uncore_msr_exit_box,
399 	.disable_event	= snb_uncore_msr_disable_event,
400 	.enable_event	= snb_uncore_msr_enable_event,
401 	.read_counter	= uncore_msr_read_counter,
402 };
403 
404 static struct intel_uncore_type skl_uncore_cbox = {
405 	.name		= "cbox",
406 	.num_counters   = 4,
407 	.num_boxes	= 8,
408 	.perf_ctr_bits	= 44,
409 	.fixed_ctr_bits	= 48,
410 	.perf_ctr	= SNB_UNC_CBO_0_PER_CTR0,
411 	.event_ctl	= SNB_UNC_CBO_0_PERFEVTSEL0,
412 	.fixed_ctr	= SNB_UNC_FIXED_CTR,
413 	.fixed_ctl	= SNB_UNC_FIXED_CTR_CTRL,
414 	.single_fixed	= 1,
415 	.event_mask	= SNB_UNC_RAW_EVENT_MASK,
416 	.msr_offset	= SNB_UNC_CBO_MSR_OFFSET,
417 	.ops		= &skl_uncore_msr_ops,
418 	.format_group	= &snb_uncore_format_group,
419 	.event_descs	= snb_uncore_events,
420 };
421 
422 static struct intel_uncore_type *skl_msr_uncores[] = {
423 	&skl_uncore_cbox,
424 	&snb_uncore_arb,
425 	NULL,
426 };
427 
428 void skl_uncore_cpu_init(void)
429 {
430 	uncore_msr_uncores = skl_msr_uncores;
431 	if (skl_uncore_cbox.num_boxes > boot_cpu_data.x86_max_cores)
432 		skl_uncore_cbox.num_boxes = boot_cpu_data.x86_max_cores;
433 	snb_uncore_arb.ops = &skl_uncore_msr_ops;
434 }
435 
436 static struct intel_uncore_ops icl_uncore_msr_ops = {
437 	.disable_event	= snb_uncore_msr_disable_event,
438 	.enable_event	= snb_uncore_msr_enable_event,
439 	.read_counter	= uncore_msr_read_counter,
440 };
441 
442 static struct intel_uncore_type icl_uncore_cbox = {
443 	.name		= "cbox",
444 	.num_counters   = 2,
445 	.perf_ctr_bits	= 44,
446 	.perf_ctr	= ICL_UNC_CBO_0_PER_CTR0,
447 	.event_ctl	= SNB_UNC_CBO_0_PERFEVTSEL0,
448 	.event_mask	= SNB_UNC_RAW_EVENT_MASK,
449 	.msr_offset	= ICL_UNC_CBO_MSR_OFFSET,
450 	.ops		= &icl_uncore_msr_ops,
451 	.format_group	= &snb_uncore_format_group,
452 };
453 
454 static struct uncore_event_desc icl_uncore_events[] = {
455 	INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff"),
456 	{ /* end: all zeroes */ },
457 };
458 
459 static struct attribute *icl_uncore_clock_formats_attr[] = {
460 	&format_attr_event.attr,
461 	NULL,
462 };
463 
464 static struct attribute_group icl_uncore_clock_format_group = {
465 	.name = "format",
466 	.attrs = icl_uncore_clock_formats_attr,
467 };
468 
469 static struct intel_uncore_type icl_uncore_clockbox = {
470 	.name		= "clock",
471 	.num_counters	= 1,
472 	.num_boxes	= 1,
473 	.fixed_ctr_bits	= 48,
474 	.fixed_ctr	= SNB_UNC_FIXED_CTR,
475 	.fixed_ctl	= SNB_UNC_FIXED_CTR_CTRL,
476 	.single_fixed	= 1,
477 	.event_mask	= SNB_UNC_CTL_EV_SEL_MASK,
478 	.format_group	= &icl_uncore_clock_format_group,
479 	.ops		= &icl_uncore_msr_ops,
480 	.event_descs	= icl_uncore_events,
481 };
482 
483 static struct intel_uncore_type icl_uncore_arb = {
484 	.name		= "arb",
485 	.num_counters   = 1,
486 	.num_boxes	= 1,
487 	.perf_ctr_bits	= 44,
488 	.perf_ctr	= ICL_UNC_ARB_PER_CTR,
489 	.event_ctl	= ICL_UNC_ARB_PERFEVTSEL,
490 	.event_mask	= SNB_UNC_RAW_EVENT_MASK,
491 	.ops		= &icl_uncore_msr_ops,
492 	.format_group	= &snb_uncore_format_group,
493 };
494 
495 static struct intel_uncore_type *icl_msr_uncores[] = {
496 	&icl_uncore_cbox,
497 	&icl_uncore_arb,
498 	&icl_uncore_clockbox,
499 	NULL,
500 };
501 
502 static int icl_get_cbox_num(void)
503 {
504 	u64 num_boxes;
505 
506 	rdmsrl(ICL_UNC_CBO_CONFIG, num_boxes);
507 
508 	return num_boxes & ICL_UNC_NUM_CBO_MASK;
509 }
510 
511 void icl_uncore_cpu_init(void)
512 {
513 	uncore_msr_uncores = icl_msr_uncores;
514 	icl_uncore_cbox.num_boxes = icl_get_cbox_num();
515 }
516 
517 static struct intel_uncore_type *tgl_msr_uncores[] = {
518 	&icl_uncore_cbox,
519 	&snb_uncore_arb,
520 	&icl_uncore_clockbox,
521 	NULL,
522 };
523 
524 static void rkl_uncore_msr_init_box(struct intel_uncore_box *box)
525 {
526 	if (box->pmu->pmu_idx == 0)
527 		wrmsrl(SKL_UNC_PERF_GLOBAL_CTL, SNB_UNC_GLOBAL_CTL_EN);
528 }
529 
530 void tgl_uncore_cpu_init(void)
531 {
532 	uncore_msr_uncores = tgl_msr_uncores;
533 	icl_uncore_cbox.num_boxes = icl_get_cbox_num();
534 	icl_uncore_cbox.ops = &skl_uncore_msr_ops;
535 	icl_uncore_clockbox.ops = &skl_uncore_msr_ops;
536 	snb_uncore_arb.ops = &skl_uncore_msr_ops;
537 	skl_uncore_msr_ops.init_box = rkl_uncore_msr_init_box;
538 }
539 
540 static void adl_uncore_msr_init_box(struct intel_uncore_box *box)
541 {
542 	if (box->pmu->pmu_idx == 0)
543 		wrmsrl(ADL_UNC_PERF_GLOBAL_CTL, SNB_UNC_GLOBAL_CTL_EN);
544 }
545 
546 static void adl_uncore_msr_enable_box(struct intel_uncore_box *box)
547 {
548 	wrmsrl(ADL_UNC_PERF_GLOBAL_CTL, SNB_UNC_GLOBAL_CTL_EN);
549 }
550 
551 static void adl_uncore_msr_disable_box(struct intel_uncore_box *box)
552 {
553 	if (box->pmu->pmu_idx == 0)
554 		wrmsrl(ADL_UNC_PERF_GLOBAL_CTL, 0);
555 }
556 
557 static void adl_uncore_msr_exit_box(struct intel_uncore_box *box)
558 {
559 	if (box->pmu->pmu_idx == 0)
560 		wrmsrl(ADL_UNC_PERF_GLOBAL_CTL, 0);
561 }
562 
563 static struct intel_uncore_ops adl_uncore_msr_ops = {
564 	.init_box	= adl_uncore_msr_init_box,
565 	.enable_box	= adl_uncore_msr_enable_box,
566 	.disable_box	= adl_uncore_msr_disable_box,
567 	.exit_box	= adl_uncore_msr_exit_box,
568 	.disable_event	= snb_uncore_msr_disable_event,
569 	.enable_event	= snb_uncore_msr_enable_event,
570 	.read_counter	= uncore_msr_read_counter,
571 };
572 
573 static struct attribute *adl_uncore_formats_attr[] = {
574 	&format_attr_event.attr,
575 	&format_attr_umask.attr,
576 	&format_attr_edge.attr,
577 	&format_attr_inv.attr,
578 	&format_attr_threshold.attr,
579 	NULL,
580 };
581 
582 static const struct attribute_group adl_uncore_format_group = {
583 	.name		= "format",
584 	.attrs		= adl_uncore_formats_attr,
585 };
586 
587 static struct intel_uncore_type adl_uncore_cbox = {
588 	.name		= "cbox",
589 	.num_counters   = 2,
590 	.perf_ctr_bits	= 44,
591 	.perf_ctr	= ADL_UNC_CBO_0_PER_CTR0,
592 	.event_ctl	= ADL_UNC_CBO_0_PERFEVTSEL0,
593 	.event_mask	= ADL_UNC_RAW_EVENT_MASK,
594 	.msr_offset	= ICL_UNC_CBO_MSR_OFFSET,
595 	.ops		= &adl_uncore_msr_ops,
596 	.format_group	= &adl_uncore_format_group,
597 };
598 
599 static struct intel_uncore_type adl_uncore_arb = {
600 	.name		= "arb",
601 	.num_counters   = 2,
602 	.num_boxes	= 2,
603 	.perf_ctr_bits	= 44,
604 	.perf_ctr	= ADL_UNC_ARB_PER_CTR0,
605 	.event_ctl	= ADL_UNC_ARB_PERFEVTSEL0,
606 	.event_mask	= SNB_UNC_RAW_EVENT_MASK,
607 	.msr_offset	= ADL_UNC_ARB_MSR_OFFSET,
608 	.constraints	= snb_uncore_arb_constraints,
609 	.ops		= &adl_uncore_msr_ops,
610 	.format_group	= &snb_uncore_format_group,
611 };
612 
613 static struct intel_uncore_type adl_uncore_clockbox = {
614 	.name		= "clock",
615 	.num_counters	= 1,
616 	.num_boxes	= 1,
617 	.fixed_ctr_bits	= 48,
618 	.fixed_ctr	= ADL_UNC_FIXED_CTR,
619 	.fixed_ctl	= ADL_UNC_FIXED_CTR_CTRL,
620 	.single_fixed	= 1,
621 	.event_mask	= SNB_UNC_CTL_EV_SEL_MASK,
622 	.format_group	= &icl_uncore_clock_format_group,
623 	.ops		= &adl_uncore_msr_ops,
624 	.event_descs	= icl_uncore_events,
625 };
626 
627 static struct intel_uncore_type *adl_msr_uncores[] = {
628 	&adl_uncore_cbox,
629 	&adl_uncore_arb,
630 	&adl_uncore_clockbox,
631 	NULL,
632 };
633 
634 void adl_uncore_cpu_init(void)
635 {
636 	adl_uncore_cbox.num_boxes = icl_get_cbox_num();
637 	uncore_msr_uncores = adl_msr_uncores;
638 }
639 
640 static struct intel_uncore_type mtl_uncore_cbox = {
641 	.name		= "cbox",
642 	.num_counters   = 2,
643 	.perf_ctr_bits	= 48,
644 	.perf_ctr	= MTL_UNC_CBO_0_PER_CTR0,
645 	.event_ctl	= MTL_UNC_CBO_0_PERFEVTSEL0,
646 	.event_mask	= ADL_UNC_RAW_EVENT_MASK,
647 	.msr_offset	= SNB_UNC_CBO_MSR_OFFSET,
648 	.ops		= &icl_uncore_msr_ops,
649 	.format_group	= &adl_uncore_format_group,
650 };
651 
652 static struct intel_uncore_type mtl_uncore_hac_arb = {
653 	.name		= "hac_arb",
654 	.num_counters   = 2,
655 	.num_boxes	= 2,
656 	.perf_ctr_bits	= 48,
657 	.perf_ctr	= MTL_UNC_HAC_ARB_CTR,
658 	.event_ctl	= MTL_UNC_HAC_ARB_CTRL,
659 	.event_mask	= ADL_UNC_RAW_EVENT_MASK,
660 	.msr_offset	= SNB_UNC_CBO_MSR_OFFSET,
661 	.ops		= &icl_uncore_msr_ops,
662 	.format_group	= &adl_uncore_format_group,
663 };
664 
665 static struct intel_uncore_type mtl_uncore_arb = {
666 	.name		= "arb",
667 	.num_counters   = 2,
668 	.num_boxes	= 2,
669 	.perf_ctr_bits	= 48,
670 	.perf_ctr	= MTL_UNC_ARB_CTR,
671 	.event_ctl	= MTL_UNC_ARB_CTRL,
672 	.event_mask	= ADL_UNC_RAW_EVENT_MASK,
673 	.msr_offset	= SNB_UNC_CBO_MSR_OFFSET,
674 	.ops		= &icl_uncore_msr_ops,
675 	.format_group	= &adl_uncore_format_group,
676 };
677 
678 static struct intel_uncore_type mtl_uncore_hac_cbox = {
679 	.name		= "hac_cbox",
680 	.num_counters   = 2,
681 	.num_boxes	= 2,
682 	.perf_ctr_bits	= 48,
683 	.perf_ctr	= MTL_UNC_HBO_CTR,
684 	.event_ctl	= MTL_UNC_HBO_CTRL,
685 	.event_mask	= ADL_UNC_RAW_EVENT_MASK,
686 	.msr_offset	= SNB_UNC_CBO_MSR_OFFSET,
687 	.ops		= &icl_uncore_msr_ops,
688 	.format_group	= &adl_uncore_format_group,
689 };
690 
691 static void mtl_uncore_msr_init_box(struct intel_uncore_box *box)
692 {
693 	wrmsrl(uncore_msr_box_ctl(box), SNB_UNC_GLOBAL_CTL_EN);
694 }
695 
696 static struct intel_uncore_ops mtl_uncore_msr_ops = {
697 	.init_box	= mtl_uncore_msr_init_box,
698 	.disable_event	= snb_uncore_msr_disable_event,
699 	.enable_event	= snb_uncore_msr_enable_event,
700 	.read_counter	= uncore_msr_read_counter,
701 };
702 
703 static struct intel_uncore_type mtl_uncore_cncu = {
704 	.name		= "cncu",
705 	.num_counters   = 1,
706 	.num_boxes	= 1,
707 	.box_ctl	= MTL_UNC_CNCU_BOX_CTL,
708 	.fixed_ctr_bits = 48,
709 	.fixed_ctr	= MTL_UNC_CNCU_FIXED_CTR,
710 	.fixed_ctl	= MTL_UNC_CNCU_FIXED_CTRL,
711 	.single_fixed	= 1,
712 	.event_mask	= SNB_UNC_CTL_EV_SEL_MASK,
713 	.format_group	= &icl_uncore_clock_format_group,
714 	.ops		= &mtl_uncore_msr_ops,
715 	.event_descs	= icl_uncore_events,
716 };
717 
718 static struct intel_uncore_type mtl_uncore_sncu = {
719 	.name		= "sncu",
720 	.num_counters   = 1,
721 	.num_boxes	= 1,
722 	.box_ctl	= MTL_UNC_SNCU_BOX_CTL,
723 	.fixed_ctr_bits	= 48,
724 	.fixed_ctr	= MTL_UNC_SNCU_FIXED_CTR,
725 	.fixed_ctl	= MTL_UNC_SNCU_FIXED_CTRL,
726 	.single_fixed	= 1,
727 	.event_mask	= SNB_UNC_CTL_EV_SEL_MASK,
728 	.format_group	= &icl_uncore_clock_format_group,
729 	.ops		= &mtl_uncore_msr_ops,
730 	.event_descs	= icl_uncore_events,
731 };
732 
733 static struct intel_uncore_type *mtl_msr_uncores[] = {
734 	&mtl_uncore_cbox,
735 	&mtl_uncore_hac_arb,
736 	&mtl_uncore_arb,
737 	&mtl_uncore_hac_cbox,
738 	&mtl_uncore_cncu,
739 	&mtl_uncore_sncu,
740 	NULL
741 };
742 
743 void mtl_uncore_cpu_init(void)
744 {
745 	mtl_uncore_cbox.num_boxes = icl_get_cbox_num();
746 	uncore_msr_uncores = mtl_msr_uncores;
747 }
748 
749 enum {
750 	SNB_PCI_UNCORE_IMC,
751 };
752 
753 static struct uncore_event_desc snb_uncore_imc_events[] = {
754 	INTEL_UNCORE_EVENT_DESC(data_reads,  "event=0x01"),
755 	INTEL_UNCORE_EVENT_DESC(data_reads.scale, "6.103515625e-5"),
756 	INTEL_UNCORE_EVENT_DESC(data_reads.unit, "MiB"),
757 
758 	INTEL_UNCORE_EVENT_DESC(data_writes, "event=0x02"),
759 	INTEL_UNCORE_EVENT_DESC(data_writes.scale, "6.103515625e-5"),
760 	INTEL_UNCORE_EVENT_DESC(data_writes.unit, "MiB"),
761 
762 	INTEL_UNCORE_EVENT_DESC(gt_requests, "event=0x03"),
763 	INTEL_UNCORE_EVENT_DESC(gt_requests.scale, "6.103515625e-5"),
764 	INTEL_UNCORE_EVENT_DESC(gt_requests.unit, "MiB"),
765 
766 	INTEL_UNCORE_EVENT_DESC(ia_requests, "event=0x04"),
767 	INTEL_UNCORE_EVENT_DESC(ia_requests.scale, "6.103515625e-5"),
768 	INTEL_UNCORE_EVENT_DESC(ia_requests.unit, "MiB"),
769 
770 	INTEL_UNCORE_EVENT_DESC(io_requests, "event=0x05"),
771 	INTEL_UNCORE_EVENT_DESC(io_requests.scale, "6.103515625e-5"),
772 	INTEL_UNCORE_EVENT_DESC(io_requests.unit, "MiB"),
773 
774 	{ /* end: all zeroes */ },
775 };
776 
777 #define SNB_UNCORE_PCI_IMC_EVENT_MASK		0xff
778 #define SNB_UNCORE_PCI_IMC_BAR_OFFSET		0x48
779 
780 /* page size multiple covering all config regs */
781 #define SNB_UNCORE_PCI_IMC_MAP_SIZE		0x6000
782 
783 #define SNB_UNCORE_PCI_IMC_DATA_READS		0x1
784 #define SNB_UNCORE_PCI_IMC_DATA_READS_BASE	0x5050
785 #define SNB_UNCORE_PCI_IMC_DATA_WRITES		0x2
786 #define SNB_UNCORE_PCI_IMC_DATA_WRITES_BASE	0x5054
787 #define SNB_UNCORE_PCI_IMC_CTR_BASE		SNB_UNCORE_PCI_IMC_DATA_READS_BASE
788 
789 /* BW break down- legacy counters */
790 #define SNB_UNCORE_PCI_IMC_GT_REQUESTS		0x3
791 #define SNB_UNCORE_PCI_IMC_GT_REQUESTS_BASE	0x5040
792 #define SNB_UNCORE_PCI_IMC_IA_REQUESTS		0x4
793 #define SNB_UNCORE_PCI_IMC_IA_REQUESTS_BASE	0x5044
794 #define SNB_UNCORE_PCI_IMC_IO_REQUESTS		0x5
795 #define SNB_UNCORE_PCI_IMC_IO_REQUESTS_BASE	0x5048
796 
797 enum perf_snb_uncore_imc_freerunning_types {
798 	SNB_PCI_UNCORE_IMC_DATA_READS		= 0,
799 	SNB_PCI_UNCORE_IMC_DATA_WRITES,
800 	SNB_PCI_UNCORE_IMC_GT_REQUESTS,
801 	SNB_PCI_UNCORE_IMC_IA_REQUESTS,
802 	SNB_PCI_UNCORE_IMC_IO_REQUESTS,
803 
804 	SNB_PCI_UNCORE_IMC_FREERUNNING_TYPE_MAX,
805 };
806 
807 static struct freerunning_counters snb_uncore_imc_freerunning[] = {
808 	[SNB_PCI_UNCORE_IMC_DATA_READS]		= { SNB_UNCORE_PCI_IMC_DATA_READS_BASE,
809 							0x0, 0x0, 1, 32 },
810 	[SNB_PCI_UNCORE_IMC_DATA_WRITES]	= { SNB_UNCORE_PCI_IMC_DATA_WRITES_BASE,
811 							0x0, 0x0, 1, 32 },
812 	[SNB_PCI_UNCORE_IMC_GT_REQUESTS]	= { SNB_UNCORE_PCI_IMC_GT_REQUESTS_BASE,
813 							0x0, 0x0, 1, 32 },
814 	[SNB_PCI_UNCORE_IMC_IA_REQUESTS]	= { SNB_UNCORE_PCI_IMC_IA_REQUESTS_BASE,
815 							0x0, 0x0, 1, 32 },
816 	[SNB_PCI_UNCORE_IMC_IO_REQUESTS]	= { SNB_UNCORE_PCI_IMC_IO_REQUESTS_BASE,
817 							0x0, 0x0, 1, 32 },
818 };
819 
820 static struct attribute *snb_uncore_imc_formats_attr[] = {
821 	&format_attr_event.attr,
822 	NULL,
823 };
824 
825 static const struct attribute_group snb_uncore_imc_format_group = {
826 	.name = "format",
827 	.attrs = snb_uncore_imc_formats_attr,
828 };
829 
830 static void snb_uncore_imc_init_box(struct intel_uncore_box *box)
831 {
832 	struct intel_uncore_type *type = box->pmu->type;
833 	struct pci_dev *pdev = box->pci_dev;
834 	int where = SNB_UNCORE_PCI_IMC_BAR_OFFSET;
835 	resource_size_t addr;
836 	u32 pci_dword;
837 
838 	pci_read_config_dword(pdev, where, &pci_dword);
839 	addr = pci_dword;
840 
841 #ifdef CONFIG_PHYS_ADDR_T_64BIT
842 	pci_read_config_dword(pdev, where + 4, &pci_dword);
843 	addr |= ((resource_size_t)pci_dword << 32);
844 #endif
845 
846 	addr &= ~(PAGE_SIZE - 1);
847 
848 	box->io_addr = ioremap(addr, type->mmio_map_size);
849 	if (!box->io_addr)
850 		pr_warn("perf uncore: Failed to ioremap for %s.\n", type->name);
851 
852 	box->hrtimer_duration = UNCORE_SNB_IMC_HRTIMER_INTERVAL;
853 }
854 
855 static void snb_uncore_imc_enable_box(struct intel_uncore_box *box)
856 {}
857 
858 static void snb_uncore_imc_disable_box(struct intel_uncore_box *box)
859 {}
860 
861 static void snb_uncore_imc_enable_event(struct intel_uncore_box *box, struct perf_event *event)
862 {}
863 
864 static void snb_uncore_imc_disable_event(struct intel_uncore_box *box, struct perf_event *event)
865 {}
866 
867 /*
868  * Keep the custom event_init() function compatible with old event
869  * encoding for free running counters.
870  */
871 static int snb_uncore_imc_event_init(struct perf_event *event)
872 {
873 	struct intel_uncore_pmu *pmu;
874 	struct intel_uncore_box *box;
875 	struct hw_perf_event *hwc = &event->hw;
876 	u64 cfg = event->attr.config & SNB_UNCORE_PCI_IMC_EVENT_MASK;
877 	int idx, base;
878 
879 	if (event->attr.type != event->pmu->type)
880 		return -ENOENT;
881 
882 	pmu = uncore_event_to_pmu(event);
883 	/* no device found for this pmu */
884 	if (pmu->func_id < 0)
885 		return -ENOENT;
886 
887 	/* Sampling not supported yet */
888 	if (hwc->sample_period)
889 		return -EINVAL;
890 
891 	/* unsupported modes and filters */
892 	if (event->attr.sample_period) /* no sampling */
893 		return -EINVAL;
894 
895 	/*
896 	 * Place all uncore events for a particular physical package
897 	 * onto a single cpu
898 	 */
899 	if (event->cpu < 0)
900 		return -EINVAL;
901 
902 	/* check only supported bits are set */
903 	if (event->attr.config & ~SNB_UNCORE_PCI_IMC_EVENT_MASK)
904 		return -EINVAL;
905 
906 	box = uncore_pmu_to_box(pmu, event->cpu);
907 	if (!box || box->cpu < 0)
908 		return -EINVAL;
909 
910 	event->cpu = box->cpu;
911 	event->pmu_private = box;
912 
913 	event->event_caps |= PERF_EV_CAP_READ_ACTIVE_PKG;
914 
915 	event->hw.idx = -1;
916 	event->hw.last_tag = ~0ULL;
917 	event->hw.extra_reg.idx = EXTRA_REG_NONE;
918 	event->hw.branch_reg.idx = EXTRA_REG_NONE;
919 	/*
920 	 * check event is known (whitelist, determines counter)
921 	 */
922 	switch (cfg) {
923 	case SNB_UNCORE_PCI_IMC_DATA_READS:
924 		base = SNB_UNCORE_PCI_IMC_DATA_READS_BASE;
925 		idx = UNCORE_PMC_IDX_FREERUNNING;
926 		break;
927 	case SNB_UNCORE_PCI_IMC_DATA_WRITES:
928 		base = SNB_UNCORE_PCI_IMC_DATA_WRITES_BASE;
929 		idx = UNCORE_PMC_IDX_FREERUNNING;
930 		break;
931 	case SNB_UNCORE_PCI_IMC_GT_REQUESTS:
932 		base = SNB_UNCORE_PCI_IMC_GT_REQUESTS_BASE;
933 		idx = UNCORE_PMC_IDX_FREERUNNING;
934 		break;
935 	case SNB_UNCORE_PCI_IMC_IA_REQUESTS:
936 		base = SNB_UNCORE_PCI_IMC_IA_REQUESTS_BASE;
937 		idx = UNCORE_PMC_IDX_FREERUNNING;
938 		break;
939 	case SNB_UNCORE_PCI_IMC_IO_REQUESTS:
940 		base = SNB_UNCORE_PCI_IMC_IO_REQUESTS_BASE;
941 		idx = UNCORE_PMC_IDX_FREERUNNING;
942 		break;
943 	default:
944 		return -EINVAL;
945 	}
946 
947 	/* must be done before validate_group */
948 	event->hw.event_base = base;
949 	event->hw.idx = idx;
950 
951 	/* Convert to standard encoding format for freerunning counters */
952 	event->hw.config = ((cfg - 1) << 8) | 0x10ff;
953 
954 	/* no group validation needed, we have free running counters */
955 
956 	return 0;
957 }
958 
959 static int snb_uncore_imc_hw_config(struct intel_uncore_box *box, struct perf_event *event)
960 {
961 	return 0;
962 }
963 
964 int snb_pci2phy_map_init(int devid)
965 {
966 	struct pci_dev *dev = NULL;
967 	struct pci2phy_map *map;
968 	int bus, segment;
969 
970 	dev = pci_get_device(PCI_VENDOR_ID_INTEL, devid, dev);
971 	if (!dev)
972 		return -ENOTTY;
973 
974 	bus = dev->bus->number;
975 	segment = pci_domain_nr(dev->bus);
976 
977 	raw_spin_lock(&pci2phy_map_lock);
978 	map = __find_pci2phy_map(segment);
979 	if (!map) {
980 		raw_spin_unlock(&pci2phy_map_lock);
981 		pci_dev_put(dev);
982 		return -ENOMEM;
983 	}
984 	map->pbus_to_dieid[bus] = 0;
985 	raw_spin_unlock(&pci2phy_map_lock);
986 
987 	pci_dev_put(dev);
988 
989 	return 0;
990 }
991 
992 static u64 snb_uncore_imc_read_counter(struct intel_uncore_box *box, struct perf_event *event)
993 {
994 	struct hw_perf_event *hwc = &event->hw;
995 
996 	/*
997 	 * SNB IMC counters are 32-bit and are laid out back to back
998 	 * in MMIO space. Therefore we must use a 32-bit accessor function
999 	 * using readq() from uncore_mmio_read_counter() causes problems
1000 	 * because it is reading 64-bit at a time. This is okay for the
1001 	 * uncore_perf_event_update() function because it drops the upper
1002 	 * 32-bits but not okay for plain uncore_read_counter() as invoked
1003 	 * in uncore_pmu_event_start().
1004 	 */
1005 	return (u64)readl(box->io_addr + hwc->event_base);
1006 }
1007 
1008 static struct pmu snb_uncore_imc_pmu = {
1009 	.task_ctx_nr	= perf_invalid_context,
1010 	.event_init	= snb_uncore_imc_event_init,
1011 	.add		= uncore_pmu_event_add,
1012 	.del		= uncore_pmu_event_del,
1013 	.start		= uncore_pmu_event_start,
1014 	.stop		= uncore_pmu_event_stop,
1015 	.read		= uncore_pmu_event_read,
1016 	.capabilities	= PERF_PMU_CAP_NO_EXCLUDE,
1017 };
1018 
1019 static struct intel_uncore_ops snb_uncore_imc_ops = {
1020 	.init_box	= snb_uncore_imc_init_box,
1021 	.exit_box	= uncore_mmio_exit_box,
1022 	.enable_box	= snb_uncore_imc_enable_box,
1023 	.disable_box	= snb_uncore_imc_disable_box,
1024 	.disable_event	= snb_uncore_imc_disable_event,
1025 	.enable_event	= snb_uncore_imc_enable_event,
1026 	.hw_config	= snb_uncore_imc_hw_config,
1027 	.read_counter	= snb_uncore_imc_read_counter,
1028 };
1029 
1030 static struct intel_uncore_type snb_uncore_imc = {
1031 	.name		= "imc",
1032 	.num_counters   = 5,
1033 	.num_boxes	= 1,
1034 	.num_freerunning_types	= SNB_PCI_UNCORE_IMC_FREERUNNING_TYPE_MAX,
1035 	.mmio_map_size	= SNB_UNCORE_PCI_IMC_MAP_SIZE,
1036 	.freerunning	= snb_uncore_imc_freerunning,
1037 	.event_descs	= snb_uncore_imc_events,
1038 	.format_group	= &snb_uncore_imc_format_group,
1039 	.ops		= &snb_uncore_imc_ops,
1040 	.pmu		= &snb_uncore_imc_pmu,
1041 };
1042 
1043 static struct intel_uncore_type *snb_pci_uncores[] = {
1044 	[SNB_PCI_UNCORE_IMC]	= &snb_uncore_imc,
1045 	NULL,
1046 };
1047 
1048 static const struct pci_device_id snb_uncore_pci_ids[] = {
1049 	IMC_UNCORE_DEV(SNB),
1050 	{ /* end: all zeroes */ },
1051 };
1052 
1053 static const struct pci_device_id ivb_uncore_pci_ids[] = {
1054 	IMC_UNCORE_DEV(IVB),
1055 	IMC_UNCORE_DEV(IVB_E3),
1056 	{ /* end: all zeroes */ },
1057 };
1058 
1059 static const struct pci_device_id hsw_uncore_pci_ids[] = {
1060 	IMC_UNCORE_DEV(HSW),
1061 	IMC_UNCORE_DEV(HSW_U),
1062 	{ /* end: all zeroes */ },
1063 };
1064 
1065 static const struct pci_device_id bdw_uncore_pci_ids[] = {
1066 	IMC_UNCORE_DEV(BDW),
1067 	{ /* end: all zeroes */ },
1068 };
1069 
1070 static const struct pci_device_id skl_uncore_pci_ids[] = {
1071 	IMC_UNCORE_DEV(SKL_Y),
1072 	IMC_UNCORE_DEV(SKL_U),
1073 	IMC_UNCORE_DEV(SKL_HD),
1074 	IMC_UNCORE_DEV(SKL_HQ),
1075 	IMC_UNCORE_DEV(SKL_SD),
1076 	IMC_UNCORE_DEV(SKL_SQ),
1077 	IMC_UNCORE_DEV(SKL_E3),
1078 	IMC_UNCORE_DEV(KBL_Y),
1079 	IMC_UNCORE_DEV(KBL_U),
1080 	IMC_UNCORE_DEV(KBL_UQ),
1081 	IMC_UNCORE_DEV(KBL_SD),
1082 	IMC_UNCORE_DEV(KBL_SQ),
1083 	IMC_UNCORE_DEV(KBL_HQ),
1084 	IMC_UNCORE_DEV(KBL_WQ),
1085 	IMC_UNCORE_DEV(CFL_2U),
1086 	IMC_UNCORE_DEV(CFL_4U),
1087 	IMC_UNCORE_DEV(CFL_4H),
1088 	IMC_UNCORE_DEV(CFL_6H),
1089 	IMC_UNCORE_DEV(CFL_2S_D),
1090 	IMC_UNCORE_DEV(CFL_4S_D),
1091 	IMC_UNCORE_DEV(CFL_6S_D),
1092 	IMC_UNCORE_DEV(CFL_8S_D),
1093 	IMC_UNCORE_DEV(CFL_4S_W),
1094 	IMC_UNCORE_DEV(CFL_6S_W),
1095 	IMC_UNCORE_DEV(CFL_8S_W),
1096 	IMC_UNCORE_DEV(CFL_4S_S),
1097 	IMC_UNCORE_DEV(CFL_6S_S),
1098 	IMC_UNCORE_DEV(CFL_8S_S),
1099 	IMC_UNCORE_DEV(AML_YD),
1100 	IMC_UNCORE_DEV(AML_YQ),
1101 	IMC_UNCORE_DEV(WHL_UQ),
1102 	IMC_UNCORE_DEV(WHL_4_UQ),
1103 	IMC_UNCORE_DEV(WHL_UD),
1104 	IMC_UNCORE_DEV(CML_H1),
1105 	IMC_UNCORE_DEV(CML_H2),
1106 	IMC_UNCORE_DEV(CML_H3),
1107 	IMC_UNCORE_DEV(CML_U1),
1108 	IMC_UNCORE_DEV(CML_U2),
1109 	IMC_UNCORE_DEV(CML_U3),
1110 	IMC_UNCORE_DEV(CML_S1),
1111 	IMC_UNCORE_DEV(CML_S2),
1112 	IMC_UNCORE_DEV(CML_S3),
1113 	IMC_UNCORE_DEV(CML_S4),
1114 	IMC_UNCORE_DEV(CML_S5),
1115 	{ /* end: all zeroes */ },
1116 };
1117 
1118 static const struct pci_device_id icl_uncore_pci_ids[] = {
1119 	IMC_UNCORE_DEV(ICL_U),
1120 	IMC_UNCORE_DEV(ICL_U2),
1121 	IMC_UNCORE_DEV(RKL_1),
1122 	IMC_UNCORE_DEV(RKL_2),
1123 	{ /* end: all zeroes */ },
1124 };
1125 
1126 static struct pci_driver snb_uncore_pci_driver = {
1127 	.name		= "snb_uncore",
1128 	.id_table	= snb_uncore_pci_ids,
1129 };
1130 
1131 static struct pci_driver ivb_uncore_pci_driver = {
1132 	.name		= "ivb_uncore",
1133 	.id_table	= ivb_uncore_pci_ids,
1134 };
1135 
1136 static struct pci_driver hsw_uncore_pci_driver = {
1137 	.name		= "hsw_uncore",
1138 	.id_table	= hsw_uncore_pci_ids,
1139 };
1140 
1141 static struct pci_driver bdw_uncore_pci_driver = {
1142 	.name		= "bdw_uncore",
1143 	.id_table	= bdw_uncore_pci_ids,
1144 };
1145 
1146 static struct pci_driver skl_uncore_pci_driver = {
1147 	.name		= "skl_uncore",
1148 	.id_table	= skl_uncore_pci_ids,
1149 };
1150 
1151 static struct pci_driver icl_uncore_pci_driver = {
1152 	.name		= "icl_uncore",
1153 	.id_table	= icl_uncore_pci_ids,
1154 };
1155 
1156 struct imc_uncore_pci_dev {
1157 	__u32 pci_id;
1158 	struct pci_driver *driver;
1159 };
1160 #define IMC_DEV(a, d) \
1161 	{ .pci_id = PCI_DEVICE_ID_INTEL_##a, .driver = (d) }
1162 
1163 static const struct imc_uncore_pci_dev desktop_imc_pci_ids[] = {
1164 	IMC_DEV(SNB_IMC, &snb_uncore_pci_driver),
1165 	IMC_DEV(IVB_IMC, &ivb_uncore_pci_driver),    /* 3rd Gen Core processor */
1166 	IMC_DEV(IVB_E3_IMC, &ivb_uncore_pci_driver), /* Xeon E3-1200 v2/3rd Gen Core processor */
1167 	IMC_DEV(HSW_IMC, &hsw_uncore_pci_driver),    /* 4th Gen Core Processor */
1168 	IMC_DEV(HSW_U_IMC, &hsw_uncore_pci_driver),  /* 4th Gen Core ULT Mobile Processor */
1169 	IMC_DEV(BDW_IMC, &bdw_uncore_pci_driver),    /* 5th Gen Core U */
1170 	IMC_DEV(SKL_Y_IMC, &skl_uncore_pci_driver),  /* 6th Gen Core Y */
1171 	IMC_DEV(SKL_U_IMC, &skl_uncore_pci_driver),  /* 6th Gen Core U */
1172 	IMC_DEV(SKL_HD_IMC, &skl_uncore_pci_driver),  /* 6th Gen Core H Dual Core */
1173 	IMC_DEV(SKL_HQ_IMC, &skl_uncore_pci_driver),  /* 6th Gen Core H Quad Core */
1174 	IMC_DEV(SKL_SD_IMC, &skl_uncore_pci_driver),  /* 6th Gen Core S Dual Core */
1175 	IMC_DEV(SKL_SQ_IMC, &skl_uncore_pci_driver),  /* 6th Gen Core S Quad Core */
1176 	IMC_DEV(SKL_E3_IMC, &skl_uncore_pci_driver),  /* Xeon E3 V5 Gen Core processor */
1177 	IMC_DEV(KBL_Y_IMC, &skl_uncore_pci_driver),  /* 7th Gen Core Y */
1178 	IMC_DEV(KBL_U_IMC, &skl_uncore_pci_driver),  /* 7th Gen Core U */
1179 	IMC_DEV(KBL_UQ_IMC, &skl_uncore_pci_driver),  /* 7th Gen Core U Quad Core */
1180 	IMC_DEV(KBL_SD_IMC, &skl_uncore_pci_driver),  /* 7th Gen Core S Dual Core */
1181 	IMC_DEV(KBL_SQ_IMC, &skl_uncore_pci_driver),  /* 7th Gen Core S Quad Core */
1182 	IMC_DEV(KBL_HQ_IMC, &skl_uncore_pci_driver),  /* 7th Gen Core H Quad Core */
1183 	IMC_DEV(KBL_WQ_IMC, &skl_uncore_pci_driver),  /* 7th Gen Core S 4 cores Work Station */
1184 	IMC_DEV(CFL_2U_IMC, &skl_uncore_pci_driver),  /* 8th Gen Core U 2 Cores */
1185 	IMC_DEV(CFL_4U_IMC, &skl_uncore_pci_driver),  /* 8th Gen Core U 4 Cores */
1186 	IMC_DEV(CFL_4H_IMC, &skl_uncore_pci_driver),  /* 8th Gen Core H 4 Cores */
1187 	IMC_DEV(CFL_6H_IMC, &skl_uncore_pci_driver),  /* 8th Gen Core H 6 Cores */
1188 	IMC_DEV(CFL_2S_D_IMC, &skl_uncore_pci_driver),  /* 8th Gen Core S 2 Cores Desktop */
1189 	IMC_DEV(CFL_4S_D_IMC, &skl_uncore_pci_driver),  /* 8th Gen Core S 4 Cores Desktop */
1190 	IMC_DEV(CFL_6S_D_IMC, &skl_uncore_pci_driver),  /* 8th Gen Core S 6 Cores Desktop */
1191 	IMC_DEV(CFL_8S_D_IMC, &skl_uncore_pci_driver),  /* 8th Gen Core S 8 Cores Desktop */
1192 	IMC_DEV(CFL_4S_W_IMC, &skl_uncore_pci_driver),  /* 8th Gen Core S 4 Cores Work Station */
1193 	IMC_DEV(CFL_6S_W_IMC, &skl_uncore_pci_driver),  /* 8th Gen Core S 6 Cores Work Station */
1194 	IMC_DEV(CFL_8S_W_IMC, &skl_uncore_pci_driver),  /* 8th Gen Core S 8 Cores Work Station */
1195 	IMC_DEV(CFL_4S_S_IMC, &skl_uncore_pci_driver),  /* 8th Gen Core S 4 Cores Server */
1196 	IMC_DEV(CFL_6S_S_IMC, &skl_uncore_pci_driver),  /* 8th Gen Core S 6 Cores Server */
1197 	IMC_DEV(CFL_8S_S_IMC, &skl_uncore_pci_driver),  /* 8th Gen Core S 8 Cores Server */
1198 	IMC_DEV(AML_YD_IMC, &skl_uncore_pci_driver),	/* 8th Gen Core Y Mobile Dual Core */
1199 	IMC_DEV(AML_YQ_IMC, &skl_uncore_pci_driver),	/* 8th Gen Core Y Mobile Quad Core */
1200 	IMC_DEV(WHL_UQ_IMC, &skl_uncore_pci_driver),	/* 8th Gen Core U Mobile Quad Core */
1201 	IMC_DEV(WHL_4_UQ_IMC, &skl_uncore_pci_driver),	/* 8th Gen Core U Mobile Quad Core */
1202 	IMC_DEV(WHL_UD_IMC, &skl_uncore_pci_driver),	/* 8th Gen Core U Mobile Dual Core */
1203 	IMC_DEV(CML_H1_IMC, &skl_uncore_pci_driver),
1204 	IMC_DEV(CML_H2_IMC, &skl_uncore_pci_driver),
1205 	IMC_DEV(CML_H3_IMC, &skl_uncore_pci_driver),
1206 	IMC_DEV(CML_U1_IMC, &skl_uncore_pci_driver),
1207 	IMC_DEV(CML_U2_IMC, &skl_uncore_pci_driver),
1208 	IMC_DEV(CML_U3_IMC, &skl_uncore_pci_driver),
1209 	IMC_DEV(CML_S1_IMC, &skl_uncore_pci_driver),
1210 	IMC_DEV(CML_S2_IMC, &skl_uncore_pci_driver),
1211 	IMC_DEV(CML_S3_IMC, &skl_uncore_pci_driver),
1212 	IMC_DEV(CML_S4_IMC, &skl_uncore_pci_driver),
1213 	IMC_DEV(CML_S5_IMC, &skl_uncore_pci_driver),
1214 	IMC_DEV(ICL_U_IMC, &icl_uncore_pci_driver),	/* 10th Gen Core Mobile */
1215 	IMC_DEV(ICL_U2_IMC, &icl_uncore_pci_driver),	/* 10th Gen Core Mobile */
1216 	IMC_DEV(RKL_1_IMC, &icl_uncore_pci_driver),
1217 	IMC_DEV(RKL_2_IMC, &icl_uncore_pci_driver),
1218 	{  /* end marker */ }
1219 };
1220 
1221 
1222 #define for_each_imc_pci_id(x, t) \
1223 	for (x = (t); (x)->pci_id; x++)
1224 
1225 static struct pci_driver *imc_uncore_find_dev(void)
1226 {
1227 	const struct imc_uncore_pci_dev *p;
1228 	int ret;
1229 
1230 	for_each_imc_pci_id(p, desktop_imc_pci_ids) {
1231 		ret = snb_pci2phy_map_init(p->pci_id);
1232 		if (ret == 0)
1233 			return p->driver;
1234 	}
1235 	return NULL;
1236 }
1237 
1238 static int imc_uncore_pci_init(void)
1239 {
1240 	struct pci_driver *imc_drv = imc_uncore_find_dev();
1241 
1242 	if (!imc_drv)
1243 		return -ENODEV;
1244 
1245 	uncore_pci_uncores = snb_pci_uncores;
1246 	uncore_pci_driver = imc_drv;
1247 
1248 	return 0;
1249 }
1250 
1251 int snb_uncore_pci_init(void)
1252 {
1253 	return imc_uncore_pci_init();
1254 }
1255 
1256 int ivb_uncore_pci_init(void)
1257 {
1258 	return imc_uncore_pci_init();
1259 }
1260 int hsw_uncore_pci_init(void)
1261 {
1262 	return imc_uncore_pci_init();
1263 }
1264 
1265 int bdw_uncore_pci_init(void)
1266 {
1267 	return imc_uncore_pci_init();
1268 }
1269 
1270 int skl_uncore_pci_init(void)
1271 {
1272 	return imc_uncore_pci_init();
1273 }
1274 
1275 /* end of Sandy Bridge uncore support */
1276 
1277 /* Nehalem uncore support */
1278 static void nhm_uncore_msr_disable_box(struct intel_uncore_box *box)
1279 {
1280 	wrmsrl(NHM_UNC_PERF_GLOBAL_CTL, 0);
1281 }
1282 
1283 static void nhm_uncore_msr_enable_box(struct intel_uncore_box *box)
1284 {
1285 	wrmsrl(NHM_UNC_PERF_GLOBAL_CTL, NHM_UNC_GLOBAL_CTL_EN_PC_ALL | NHM_UNC_GLOBAL_CTL_EN_FC);
1286 }
1287 
1288 static void nhm_uncore_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event)
1289 {
1290 	struct hw_perf_event *hwc = &event->hw;
1291 
1292 	if (hwc->idx < UNCORE_PMC_IDX_FIXED)
1293 		wrmsrl(hwc->config_base, hwc->config | SNB_UNC_CTL_EN);
1294 	else
1295 		wrmsrl(hwc->config_base, NHM_UNC_FIXED_CTR_CTL_EN);
1296 }
1297 
1298 static struct attribute *nhm_uncore_formats_attr[] = {
1299 	&format_attr_event.attr,
1300 	&format_attr_umask.attr,
1301 	&format_attr_edge.attr,
1302 	&format_attr_inv.attr,
1303 	&format_attr_cmask8.attr,
1304 	NULL,
1305 };
1306 
1307 static const struct attribute_group nhm_uncore_format_group = {
1308 	.name = "format",
1309 	.attrs = nhm_uncore_formats_attr,
1310 };
1311 
1312 static struct uncore_event_desc nhm_uncore_events[] = {
1313 	INTEL_UNCORE_EVENT_DESC(clockticks,                "event=0xff,umask=0x00"),
1314 	INTEL_UNCORE_EVENT_DESC(qmc_writes_full_any,       "event=0x2f,umask=0x0f"),
1315 	INTEL_UNCORE_EVENT_DESC(qmc_normal_reads_any,      "event=0x2c,umask=0x0f"),
1316 	INTEL_UNCORE_EVENT_DESC(qhl_request_ioh_reads,     "event=0x20,umask=0x01"),
1317 	INTEL_UNCORE_EVENT_DESC(qhl_request_ioh_writes,    "event=0x20,umask=0x02"),
1318 	INTEL_UNCORE_EVENT_DESC(qhl_request_remote_reads,  "event=0x20,umask=0x04"),
1319 	INTEL_UNCORE_EVENT_DESC(qhl_request_remote_writes, "event=0x20,umask=0x08"),
1320 	INTEL_UNCORE_EVENT_DESC(qhl_request_local_reads,   "event=0x20,umask=0x10"),
1321 	INTEL_UNCORE_EVENT_DESC(qhl_request_local_writes,  "event=0x20,umask=0x20"),
1322 	{ /* end: all zeroes */ },
1323 };
1324 
1325 static struct intel_uncore_ops nhm_uncore_msr_ops = {
1326 	.disable_box	= nhm_uncore_msr_disable_box,
1327 	.enable_box	= nhm_uncore_msr_enable_box,
1328 	.disable_event	= snb_uncore_msr_disable_event,
1329 	.enable_event	= nhm_uncore_msr_enable_event,
1330 	.read_counter	= uncore_msr_read_counter,
1331 };
1332 
1333 static struct intel_uncore_type nhm_uncore = {
1334 	.name		= "",
1335 	.num_counters   = 8,
1336 	.num_boxes	= 1,
1337 	.perf_ctr_bits	= 48,
1338 	.fixed_ctr_bits	= 48,
1339 	.event_ctl	= NHM_UNC_PERFEVTSEL0,
1340 	.perf_ctr	= NHM_UNC_UNCORE_PMC0,
1341 	.fixed_ctr	= NHM_UNC_FIXED_CTR,
1342 	.fixed_ctl	= NHM_UNC_FIXED_CTR_CTRL,
1343 	.event_mask	= NHM_UNC_RAW_EVENT_MASK,
1344 	.event_descs	= nhm_uncore_events,
1345 	.ops		= &nhm_uncore_msr_ops,
1346 	.format_group	= &nhm_uncore_format_group,
1347 };
1348 
1349 static struct intel_uncore_type *nhm_msr_uncores[] = {
1350 	&nhm_uncore,
1351 	NULL,
1352 };
1353 
1354 void nhm_uncore_cpu_init(void)
1355 {
1356 	uncore_msr_uncores = nhm_msr_uncores;
1357 }
1358 
1359 /* end of Nehalem uncore support */
1360 
1361 /* Tiger Lake MMIO uncore support */
1362 
1363 static const struct pci_device_id tgl_uncore_pci_ids[] = {
1364 	IMC_UNCORE_DEV(TGL_U1),
1365 	IMC_UNCORE_DEV(TGL_U2),
1366 	IMC_UNCORE_DEV(TGL_U3),
1367 	IMC_UNCORE_DEV(TGL_U4),
1368 	IMC_UNCORE_DEV(TGL_H),
1369 	IMC_UNCORE_DEV(ADL_1),
1370 	IMC_UNCORE_DEV(ADL_2),
1371 	IMC_UNCORE_DEV(ADL_3),
1372 	IMC_UNCORE_DEV(ADL_4),
1373 	IMC_UNCORE_DEV(ADL_5),
1374 	IMC_UNCORE_DEV(ADL_6),
1375 	IMC_UNCORE_DEV(ADL_7),
1376 	IMC_UNCORE_DEV(ADL_8),
1377 	IMC_UNCORE_DEV(ADL_9),
1378 	IMC_UNCORE_DEV(ADL_10),
1379 	IMC_UNCORE_DEV(ADL_11),
1380 	IMC_UNCORE_DEV(ADL_12),
1381 	IMC_UNCORE_DEV(ADL_13),
1382 	IMC_UNCORE_DEV(ADL_14),
1383 	IMC_UNCORE_DEV(ADL_15),
1384 	IMC_UNCORE_DEV(ADL_16),
1385 	IMC_UNCORE_DEV(ADL_17),
1386 	IMC_UNCORE_DEV(ADL_18),
1387 	IMC_UNCORE_DEV(ADL_19),
1388 	IMC_UNCORE_DEV(ADL_20),
1389 	IMC_UNCORE_DEV(ADL_21),
1390 	IMC_UNCORE_DEV(RPL_1),
1391 	IMC_UNCORE_DEV(RPL_2),
1392 	IMC_UNCORE_DEV(RPL_3),
1393 	IMC_UNCORE_DEV(RPL_4),
1394 	IMC_UNCORE_DEV(RPL_5),
1395 	IMC_UNCORE_DEV(RPL_6),
1396 	IMC_UNCORE_DEV(RPL_7),
1397 	IMC_UNCORE_DEV(RPL_8),
1398 	IMC_UNCORE_DEV(RPL_9),
1399 	IMC_UNCORE_DEV(RPL_10),
1400 	IMC_UNCORE_DEV(RPL_11),
1401 	IMC_UNCORE_DEV(RPL_12),
1402 	IMC_UNCORE_DEV(RPL_13),
1403 	IMC_UNCORE_DEV(RPL_14),
1404 	IMC_UNCORE_DEV(RPL_15),
1405 	IMC_UNCORE_DEV(RPL_16),
1406 	IMC_UNCORE_DEV(RPL_17),
1407 	IMC_UNCORE_DEV(RPL_18),
1408 	IMC_UNCORE_DEV(RPL_19),
1409 	IMC_UNCORE_DEV(RPL_20),
1410 	IMC_UNCORE_DEV(RPL_21),
1411 	IMC_UNCORE_DEV(RPL_22),
1412 	IMC_UNCORE_DEV(RPL_23),
1413 	IMC_UNCORE_DEV(RPL_24),
1414 	IMC_UNCORE_DEV(RPL_25),
1415 	IMC_UNCORE_DEV(MTL_1),
1416 	IMC_UNCORE_DEV(MTL_2),
1417 	IMC_UNCORE_DEV(MTL_3),
1418 	IMC_UNCORE_DEV(MTL_4),
1419 	IMC_UNCORE_DEV(MTL_5),
1420 	IMC_UNCORE_DEV(MTL_6),
1421 	IMC_UNCORE_DEV(MTL_7),
1422 	IMC_UNCORE_DEV(MTL_8),
1423 	IMC_UNCORE_DEV(MTL_9),
1424 	IMC_UNCORE_DEV(MTL_10),
1425 	IMC_UNCORE_DEV(MTL_11),
1426 	IMC_UNCORE_DEV(MTL_12),
1427 	IMC_UNCORE_DEV(MTL_13),
1428 	{ /* end: all zeroes */ }
1429 };
1430 
1431 enum perf_tgl_uncore_imc_freerunning_types {
1432 	TGL_MMIO_UNCORE_IMC_DATA_TOTAL,
1433 	TGL_MMIO_UNCORE_IMC_DATA_READ,
1434 	TGL_MMIO_UNCORE_IMC_DATA_WRITE,
1435 	TGL_MMIO_UNCORE_IMC_FREERUNNING_TYPE_MAX
1436 };
1437 
1438 static struct freerunning_counters tgl_l_uncore_imc_freerunning[] = {
1439 	[TGL_MMIO_UNCORE_IMC_DATA_TOTAL]	= { 0x5040, 0x0, 0x0, 1, 64 },
1440 	[TGL_MMIO_UNCORE_IMC_DATA_READ]		= { 0x5058, 0x0, 0x0, 1, 64 },
1441 	[TGL_MMIO_UNCORE_IMC_DATA_WRITE]	= { 0x50A0, 0x0, 0x0, 1, 64 },
1442 };
1443 
1444 static struct freerunning_counters tgl_uncore_imc_freerunning[] = {
1445 	[TGL_MMIO_UNCORE_IMC_DATA_TOTAL]	= { 0xd840, 0x0, 0x0, 1, 64 },
1446 	[TGL_MMIO_UNCORE_IMC_DATA_READ]		= { 0xd858, 0x0, 0x0, 1, 64 },
1447 	[TGL_MMIO_UNCORE_IMC_DATA_WRITE]	= { 0xd8A0, 0x0, 0x0, 1, 64 },
1448 };
1449 
1450 static struct uncore_event_desc tgl_uncore_imc_events[] = {
1451 	INTEL_UNCORE_EVENT_DESC(data_total,         "event=0xff,umask=0x10"),
1452 	INTEL_UNCORE_EVENT_DESC(data_total.scale,   "6.103515625e-5"),
1453 	INTEL_UNCORE_EVENT_DESC(data_total.unit,    "MiB"),
1454 
1455 	INTEL_UNCORE_EVENT_DESC(data_read,         "event=0xff,umask=0x20"),
1456 	INTEL_UNCORE_EVENT_DESC(data_read.scale,   "6.103515625e-5"),
1457 	INTEL_UNCORE_EVENT_DESC(data_read.unit,    "MiB"),
1458 
1459 	INTEL_UNCORE_EVENT_DESC(data_write,        "event=0xff,umask=0x30"),
1460 	INTEL_UNCORE_EVENT_DESC(data_write.scale,  "6.103515625e-5"),
1461 	INTEL_UNCORE_EVENT_DESC(data_write.unit,   "MiB"),
1462 
1463 	{ /* end: all zeroes */ }
1464 };
1465 
1466 static struct pci_dev *tgl_uncore_get_mc_dev(void)
1467 {
1468 	const struct pci_device_id *ids = tgl_uncore_pci_ids;
1469 	struct pci_dev *mc_dev = NULL;
1470 
1471 	while (ids && ids->vendor) {
1472 		mc_dev = pci_get_device(PCI_VENDOR_ID_INTEL, ids->device, NULL);
1473 		if (mc_dev)
1474 			return mc_dev;
1475 		ids++;
1476 	}
1477 
1478 	return mc_dev;
1479 }
1480 
1481 #define TGL_UNCORE_MMIO_IMC_MEM_OFFSET		0x10000
1482 #define TGL_UNCORE_PCI_IMC_MAP_SIZE		0xe000
1483 
1484 static void __uncore_imc_init_box(struct intel_uncore_box *box,
1485 				  unsigned int base_offset)
1486 {
1487 	struct pci_dev *pdev = tgl_uncore_get_mc_dev();
1488 	struct intel_uncore_pmu *pmu = box->pmu;
1489 	struct intel_uncore_type *type = pmu->type;
1490 	resource_size_t addr;
1491 	u32 mch_bar;
1492 
1493 	if (!pdev) {
1494 		pr_warn("perf uncore: Cannot find matched IMC device.\n");
1495 		return;
1496 	}
1497 
1498 	pci_read_config_dword(pdev, SNB_UNCORE_PCI_IMC_BAR_OFFSET, &mch_bar);
1499 	/* MCHBAR is disabled */
1500 	if (!(mch_bar & BIT(0))) {
1501 		pr_warn("perf uncore: MCHBAR is disabled. Failed to map IMC free-running counters.\n");
1502 		pci_dev_put(pdev);
1503 		return;
1504 	}
1505 	mch_bar &= ~BIT(0);
1506 	addr = (resource_size_t)(mch_bar + TGL_UNCORE_MMIO_IMC_MEM_OFFSET * pmu->pmu_idx);
1507 
1508 #ifdef CONFIG_PHYS_ADDR_T_64BIT
1509 	pci_read_config_dword(pdev, SNB_UNCORE_PCI_IMC_BAR_OFFSET + 4, &mch_bar);
1510 	addr |= ((resource_size_t)mch_bar << 32);
1511 #endif
1512 
1513 	addr += base_offset;
1514 	box->io_addr = ioremap(addr, type->mmio_map_size);
1515 	if (!box->io_addr)
1516 		pr_warn("perf uncore: Failed to ioremap for %s.\n", type->name);
1517 
1518 	pci_dev_put(pdev);
1519 }
1520 
1521 static void tgl_uncore_imc_freerunning_init_box(struct intel_uncore_box *box)
1522 {
1523 	__uncore_imc_init_box(box, 0);
1524 }
1525 
1526 static struct intel_uncore_ops tgl_uncore_imc_freerunning_ops = {
1527 	.init_box	= tgl_uncore_imc_freerunning_init_box,
1528 	.exit_box	= uncore_mmio_exit_box,
1529 	.read_counter	= uncore_mmio_read_counter,
1530 	.hw_config	= uncore_freerunning_hw_config,
1531 };
1532 
1533 static struct attribute *tgl_uncore_imc_formats_attr[] = {
1534 	&format_attr_event.attr,
1535 	&format_attr_umask.attr,
1536 	NULL
1537 };
1538 
1539 static const struct attribute_group tgl_uncore_imc_format_group = {
1540 	.name = "format",
1541 	.attrs = tgl_uncore_imc_formats_attr,
1542 };
1543 
1544 static struct intel_uncore_type tgl_uncore_imc_free_running = {
1545 	.name			= "imc_free_running",
1546 	.num_counters		= 3,
1547 	.num_boxes		= 2,
1548 	.num_freerunning_types	= TGL_MMIO_UNCORE_IMC_FREERUNNING_TYPE_MAX,
1549 	.mmio_map_size		= TGL_UNCORE_PCI_IMC_MAP_SIZE,
1550 	.freerunning		= tgl_uncore_imc_freerunning,
1551 	.ops			= &tgl_uncore_imc_freerunning_ops,
1552 	.event_descs		= tgl_uncore_imc_events,
1553 	.format_group		= &tgl_uncore_imc_format_group,
1554 };
1555 
1556 static struct intel_uncore_type *tgl_mmio_uncores[] = {
1557 	&tgl_uncore_imc_free_running,
1558 	NULL
1559 };
1560 
1561 void tgl_l_uncore_mmio_init(void)
1562 {
1563 	tgl_uncore_imc_free_running.freerunning = tgl_l_uncore_imc_freerunning;
1564 	uncore_mmio_uncores = tgl_mmio_uncores;
1565 }
1566 
1567 void tgl_uncore_mmio_init(void)
1568 {
1569 	uncore_mmio_uncores = tgl_mmio_uncores;
1570 }
1571 
1572 /* end of Tiger Lake MMIO uncore support */
1573 
1574 /* Alder Lake MMIO uncore support */
1575 #define ADL_UNCORE_IMC_BASE			0xd900
1576 #define ADL_UNCORE_IMC_MAP_SIZE			0x200
1577 #define ADL_UNCORE_IMC_CTR			0xe8
1578 #define ADL_UNCORE_IMC_CTRL			0xd0
1579 #define ADL_UNCORE_IMC_GLOBAL_CTL		0xc0
1580 #define ADL_UNCORE_IMC_BOX_CTL			0xc4
1581 #define ADL_UNCORE_IMC_FREERUNNING_BASE		0xd800
1582 #define ADL_UNCORE_IMC_FREERUNNING_MAP_SIZE	0x100
1583 
1584 #define ADL_UNCORE_IMC_CTL_FRZ			(1 << 0)
1585 #define ADL_UNCORE_IMC_CTL_RST_CTRL		(1 << 1)
1586 #define ADL_UNCORE_IMC_CTL_RST_CTRS		(1 << 2)
1587 #define ADL_UNCORE_IMC_CTL_INT			(ADL_UNCORE_IMC_CTL_RST_CTRL | \
1588 						ADL_UNCORE_IMC_CTL_RST_CTRS)
1589 
1590 static void adl_uncore_imc_init_box(struct intel_uncore_box *box)
1591 {
1592 	__uncore_imc_init_box(box, ADL_UNCORE_IMC_BASE);
1593 
1594 	/* The global control in MC1 can control both MCs. */
1595 	if (box->io_addr && (box->pmu->pmu_idx == 1))
1596 		writel(ADL_UNCORE_IMC_CTL_INT, box->io_addr + ADL_UNCORE_IMC_GLOBAL_CTL);
1597 }
1598 
1599 static void adl_uncore_mmio_disable_box(struct intel_uncore_box *box)
1600 {
1601 	if (!box->io_addr)
1602 		return;
1603 
1604 	writel(ADL_UNCORE_IMC_CTL_FRZ, box->io_addr + uncore_mmio_box_ctl(box));
1605 }
1606 
1607 static void adl_uncore_mmio_enable_box(struct intel_uncore_box *box)
1608 {
1609 	if (!box->io_addr)
1610 		return;
1611 
1612 	writel(0, box->io_addr + uncore_mmio_box_ctl(box));
1613 }
1614 
1615 static struct intel_uncore_ops adl_uncore_mmio_ops = {
1616 	.init_box	= adl_uncore_imc_init_box,
1617 	.exit_box	= uncore_mmio_exit_box,
1618 	.disable_box	= adl_uncore_mmio_disable_box,
1619 	.enable_box	= adl_uncore_mmio_enable_box,
1620 	.disable_event	= intel_generic_uncore_mmio_disable_event,
1621 	.enable_event	= intel_generic_uncore_mmio_enable_event,
1622 	.read_counter	= uncore_mmio_read_counter,
1623 };
1624 
1625 #define ADL_UNC_CTL_CHMASK_MASK			0x00000f00
1626 #define ADL_UNC_IMC_EVENT_MASK			(SNB_UNC_CTL_EV_SEL_MASK | \
1627 						 ADL_UNC_CTL_CHMASK_MASK | \
1628 						 SNB_UNC_CTL_EDGE_DET)
1629 
1630 static struct attribute *adl_uncore_imc_formats_attr[] = {
1631 	&format_attr_event.attr,
1632 	&format_attr_chmask.attr,
1633 	&format_attr_edge.attr,
1634 	NULL,
1635 };
1636 
1637 static const struct attribute_group adl_uncore_imc_format_group = {
1638 	.name		= "format",
1639 	.attrs		= adl_uncore_imc_formats_attr,
1640 };
1641 
1642 static struct intel_uncore_type adl_uncore_imc = {
1643 	.name		= "imc",
1644 	.num_counters   = 5,
1645 	.num_boxes	= 2,
1646 	.perf_ctr_bits	= 64,
1647 	.perf_ctr	= ADL_UNCORE_IMC_CTR,
1648 	.event_ctl	= ADL_UNCORE_IMC_CTRL,
1649 	.event_mask	= ADL_UNC_IMC_EVENT_MASK,
1650 	.box_ctl	= ADL_UNCORE_IMC_BOX_CTL,
1651 	.mmio_offset	= 0,
1652 	.mmio_map_size	= ADL_UNCORE_IMC_MAP_SIZE,
1653 	.ops		= &adl_uncore_mmio_ops,
1654 	.format_group	= &adl_uncore_imc_format_group,
1655 };
1656 
1657 enum perf_adl_uncore_imc_freerunning_types {
1658 	ADL_MMIO_UNCORE_IMC_DATA_TOTAL,
1659 	ADL_MMIO_UNCORE_IMC_DATA_READ,
1660 	ADL_MMIO_UNCORE_IMC_DATA_WRITE,
1661 	ADL_MMIO_UNCORE_IMC_FREERUNNING_TYPE_MAX
1662 };
1663 
1664 static struct freerunning_counters adl_uncore_imc_freerunning[] = {
1665 	[ADL_MMIO_UNCORE_IMC_DATA_TOTAL]	= { 0x40, 0x0, 0x0, 1, 64 },
1666 	[ADL_MMIO_UNCORE_IMC_DATA_READ]		= { 0x58, 0x0, 0x0, 1, 64 },
1667 	[ADL_MMIO_UNCORE_IMC_DATA_WRITE]	= { 0xA0, 0x0, 0x0, 1, 64 },
1668 };
1669 
1670 static void adl_uncore_imc_freerunning_init_box(struct intel_uncore_box *box)
1671 {
1672 	__uncore_imc_init_box(box, ADL_UNCORE_IMC_FREERUNNING_BASE);
1673 }
1674 
1675 static struct intel_uncore_ops adl_uncore_imc_freerunning_ops = {
1676 	.init_box	= adl_uncore_imc_freerunning_init_box,
1677 	.exit_box	= uncore_mmio_exit_box,
1678 	.read_counter	= uncore_mmio_read_counter,
1679 	.hw_config	= uncore_freerunning_hw_config,
1680 };
1681 
1682 static struct intel_uncore_type adl_uncore_imc_free_running = {
1683 	.name			= "imc_free_running",
1684 	.num_counters		= 3,
1685 	.num_boxes		= 2,
1686 	.num_freerunning_types	= ADL_MMIO_UNCORE_IMC_FREERUNNING_TYPE_MAX,
1687 	.mmio_map_size		= ADL_UNCORE_IMC_FREERUNNING_MAP_SIZE,
1688 	.freerunning		= adl_uncore_imc_freerunning,
1689 	.ops			= &adl_uncore_imc_freerunning_ops,
1690 	.event_descs		= tgl_uncore_imc_events,
1691 	.format_group		= &tgl_uncore_imc_format_group,
1692 };
1693 
1694 static struct intel_uncore_type *adl_mmio_uncores[] = {
1695 	&adl_uncore_imc,
1696 	&adl_uncore_imc_free_running,
1697 	NULL
1698 };
1699 
1700 void adl_uncore_mmio_init(void)
1701 {
1702 	uncore_mmio_uncores = adl_mmio_uncores;
1703 }
1704 
1705 /* end of Alder Lake MMIO uncore support */
1706