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-rw-r--r--arch/powerpc/kernel/power7-pmu.c61
1 files changed, 39 insertions, 22 deletions
diff --git a/arch/powerpc/kernel/power7-pmu.c b/arch/powerpc/kernel/power7-pmu.c
index b72e7a19d054..5d755ef7ac8f 100644
--- a/arch/powerpc/kernel/power7-pmu.c
+++ b/arch/powerpc/kernel/power7-pmu.c
@@ -10,7 +10,9 @@
10 */ 10 */
11#include <linux/kernel.h> 11#include <linux/kernel.h>
12#include <linux/perf_counter.h> 12#include <linux/perf_counter.h>
13#include <linux/string.h>
13#include <asm/reg.h> 14#include <asm/reg.h>
15#include <asm/cputable.h>
14 16
15/* 17/*
16 * Bits in event code for POWER7 18 * Bits in event code for POWER7
@@ -71,10 +73,11 @@
71 * 0-9: Count of events needing PMC1..PMC5 73 * 0-9: Count of events needing PMC1..PMC5
72 */ 74 */
73 75
74static int power7_get_constraint(u64 event, u64 *maskp, u64 *valp) 76static int power7_get_constraint(u64 event, unsigned long *maskp,
77 unsigned long *valp)
75{ 78{
76 int pmc, sh; 79 int pmc, sh;
77 u64 mask = 0, value = 0; 80 unsigned long mask = 0, value = 0;
78 81
79 pmc = (event >> PM_PMC_SH) & PM_PMC_MSK; 82 pmc = (event >> PM_PMC_SH) & PM_PMC_MSK;
80 if (pmc) { 83 if (pmc) {
@@ -224,10 +227,10 @@ static int power7_marked_instr_event(u64 event)
224} 227}
225 228
226static int power7_compute_mmcr(u64 event[], int n_ev, 229static int power7_compute_mmcr(u64 event[], int n_ev,
227 unsigned int hwc[], u64 mmcr[]) 230 unsigned int hwc[], unsigned long mmcr[])
228{ 231{
229 u64 mmcr1 = 0; 232 unsigned long mmcr1 = 0;
230 u64 mmcra = 0; 233 unsigned long mmcra = 0;
231 unsigned int pmc, unit, combine, l2sel, psel; 234 unsigned int pmc, unit, combine, l2sel, psel;
232 unsigned int pmc_inuse = 0; 235 unsigned int pmc_inuse = 0;
233 int i; 236 int i;
@@ -265,11 +268,14 @@ static int power7_compute_mmcr(u64 event[], int n_ev,
265 --pmc; 268 --pmc;
266 } 269 }
267 if (pmc <= 3) { 270 if (pmc <= 3) {
268 mmcr1 |= (u64) unit << (MMCR1_TTM0SEL_SH - 4 * pmc); 271 mmcr1 |= (unsigned long) unit
269 mmcr1 |= (u64) combine << (MMCR1_PMC1_COMBINE_SH - pmc); 272 << (MMCR1_TTM0SEL_SH - 4 * pmc);
273 mmcr1 |= (unsigned long) combine
274 << (MMCR1_PMC1_COMBINE_SH - pmc);
270 mmcr1 |= psel << MMCR1_PMCSEL_SH(pmc); 275 mmcr1 |= psel << MMCR1_PMCSEL_SH(pmc);
271 if (unit == 6) /* L2 events */ 276 if (unit == 6) /* L2 events */
272 mmcr1 |= (u64) l2sel << MMCR1_L2SEL_SH; 277 mmcr1 |= (unsigned long) l2sel
278 << MMCR1_L2SEL_SH;
273 } 279 }
274 if (power7_marked_instr_event(event[i])) 280 if (power7_marked_instr_event(event[i]))
275 mmcra |= MMCRA_SAMPLE_ENABLE; 281 mmcra |= MMCRA_SAMPLE_ENABLE;
@@ -287,10 +293,10 @@ static int power7_compute_mmcr(u64 event[], int n_ev,
287 return 0; 293 return 0;
288} 294}
289 295
290static void power7_disable_pmc(unsigned int pmc, u64 mmcr[]) 296static void power7_disable_pmc(unsigned int pmc, unsigned long mmcr[])
291{ 297{
292 if (pmc <= 3) 298 if (pmc <= 3)
293 mmcr[1] &= ~(0xffULL << MMCR1_PMCSEL_SH(pmc)); 299 mmcr[1] &= ~(0xffUL << MMCR1_PMCSEL_SH(pmc));
294} 300}
295 301
296static int power7_generic_events[] = { 302static int power7_generic_events[] = {
@@ -342,16 +348,27 @@ static int power7_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
342 }, 348 },
343}; 349};
344 350
345struct power_pmu power7_pmu = { 351static struct power_pmu power7_pmu = {
346 .n_counter = 6, 352 .name = "POWER7",
347 .max_alternatives = MAX_ALT + 1, 353 .n_counter = 6,
348 .add_fields = 0x1555ull, 354 .max_alternatives = MAX_ALT + 1,
349 .test_adder = 0x3000ull, 355 .add_fields = 0x1555ul,
350 .compute_mmcr = power7_compute_mmcr, 356 .test_adder = 0x3000ul,
351 .get_constraint = power7_get_constraint, 357 .compute_mmcr = power7_compute_mmcr,
352 .get_alternatives = power7_get_alternatives, 358 .get_constraint = power7_get_constraint,
353 .disable_pmc = power7_disable_pmc, 359 .get_alternatives = power7_get_alternatives,
354 .n_generic = ARRAY_SIZE(power7_generic_events), 360 .disable_pmc = power7_disable_pmc,
355 .generic_events = power7_generic_events, 361 .n_generic = ARRAY_SIZE(power7_generic_events),
356 .cache_events = &power7_cache_events, 362 .generic_events = power7_generic_events,
363 .cache_events = &power7_cache_events,
357}; 364};
365
366static int init_power7_pmu(void)
367{
368 if (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power7"))
369 return -ENODEV;
370
371 return register_power_pmu(&power7_pmu);
372}
373
374arch_initcall(init_power7_pmu);