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-rw-r--r--arch/ia64/kernel/perfmon.c2
-rw-r--r--arch/ia64/kernel/perfmon_montecito.h269
2 files changed, 271 insertions, 0 deletions
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index bd87cb6b7a81..2ea4b39efffa 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -628,9 +628,11 @@ static int pfm_write_ibr_dbr(int mode, pfm_context_t *ctx, void *arg, int count,
628 628
629#include "perfmon_itanium.h" 629#include "perfmon_itanium.h"
630#include "perfmon_mckinley.h" 630#include "perfmon_mckinley.h"
631#include "perfmon_montecito.h"
631#include "perfmon_generic.h" 632#include "perfmon_generic.h"
632 633
633static pmu_config_t *pmu_confs[]={ 634static pmu_config_t *pmu_confs[]={
635 &pmu_conf_mont,
634 &pmu_conf_mck, 636 &pmu_conf_mck,
635 &pmu_conf_ita, 637 &pmu_conf_ita,
636 &pmu_conf_gen, /* must be last */ 638 &pmu_conf_gen, /* must be last */
diff --git a/arch/ia64/kernel/perfmon_montecito.h b/arch/ia64/kernel/perfmon_montecito.h
new file mode 100644
index 000000000000..cd06ac6a686c
--- /dev/null
+++ b/arch/ia64/kernel/perfmon_montecito.h
@@ -0,0 +1,269 @@
1/*
2 * This file contains the Montecito PMU register description tables
3 * and pmc checker used by perfmon.c.
4 *
5 * Copyright (c) 2005-2006 Hewlett-Packard Development Company, L.P.
6 * Contributed by Stephane Eranian <eranian@hpl.hp.com>
7 */
8static int pfm_mont_pmc_check(struct task_struct *task, pfm_context_t *ctx, unsigned int cnum, unsigned long *val, struct pt_regs *regs);
9
10#define RDEP_MONT_ETB (RDEP(38)|RDEP(39)|RDEP(48)|RDEP(49)|RDEP(50)|RDEP(51)|RDEP(52)|RDEP(53)|RDEP(54)|\
11 RDEP(55)|RDEP(56)|RDEP(57)|RDEP(58)|RDEP(59)|RDEP(60)|RDEP(61)|RDEP(62)|RDEP(63))
12#define RDEP_MONT_DEAR (RDEP(32)|RDEP(33)|RDEP(36))
13#define RDEP_MONT_IEAR (RDEP(34)|RDEP(35))
14
15static pfm_reg_desc_t pfm_mont_pmc_desc[PMU_MAX_PMCS]={
16/* pmc0 */ { PFM_REG_CONTROL , 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {0,0, 0, 0}},
17/* pmc1 */ { PFM_REG_CONTROL , 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {0,0, 0, 0}},
18/* pmc2 */ { PFM_REG_CONTROL , 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {0,0, 0, 0}},
19/* pmc3 */ { PFM_REG_CONTROL , 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {0,0, 0, 0}},
20/* pmc4 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(4),0, 0, 0}, {0,0, 0, 0}},
21/* pmc5 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(5),0, 0, 0}, {0,0, 0, 0}},
22/* pmc6 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(6),0, 0, 0}, {0,0, 0, 0}},
23/* pmc7 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(7),0, 0, 0}, {0,0, 0, 0}},
24/* pmc8 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(8),0, 0, 0}, {0,0, 0, 0}},
25/* pmc9 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(9),0, 0, 0}, {0,0, 0, 0}},
26/* pmc10 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(10),0, 0, 0}, {0,0, 0, 0}},
27/* pmc11 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(11),0, 0, 0}, {0,0, 0, 0}},
28/* pmc12 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(12),0, 0, 0}, {0,0, 0, 0}},
29/* pmc13 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(13),0, 0, 0}, {0,0, 0, 0}},
30/* pmc14 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(14),0, 0, 0}, {0,0, 0, 0}},
31/* pmc15 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(15),0, 0, 0}, {0,0, 0, 0}},
32/* pmc16 */ { PFM_REG_NOTIMPL, },
33/* pmc17 */ { PFM_REG_NOTIMPL, },
34/* pmc18 */ { PFM_REG_NOTIMPL, },
35/* pmc19 */ { PFM_REG_NOTIMPL, },
36/* pmc20 */ { PFM_REG_NOTIMPL, },
37/* pmc21 */ { PFM_REG_NOTIMPL, },
38/* pmc22 */ { PFM_REG_NOTIMPL, },
39/* pmc23 */ { PFM_REG_NOTIMPL, },
40/* pmc24 */ { PFM_REG_NOTIMPL, },
41/* pmc25 */ { PFM_REG_NOTIMPL, },
42/* pmc26 */ { PFM_REG_NOTIMPL, },
43/* pmc27 */ { PFM_REG_NOTIMPL, },
44/* pmc28 */ { PFM_REG_NOTIMPL, },
45/* pmc29 */ { PFM_REG_NOTIMPL, },
46/* pmc30 */ { PFM_REG_NOTIMPL, },
47/* pmc31 */ { PFM_REG_NOTIMPL, },
48/* pmc32 */ { PFM_REG_CONFIG, 0, 0x30f01ffffffffff, 0x30f01ffffffffff, NULL, pfm_mont_pmc_check, {0,0, 0, 0}, {0,0, 0, 0}},
49/* pmc33 */ { PFM_REG_CONFIG, 0, 0x0, 0x1ffffffffff, NULL, pfm_mont_pmc_check, {0,0, 0, 0}, {0,0, 0, 0}},
50/* pmc34 */ { PFM_REG_CONFIG, 0, 0xf01ffffffffff, 0xf01ffffffffff, NULL, pfm_mont_pmc_check, {0,0, 0, 0}, {0,0, 0, 0}},
51/* pmc35 */ { PFM_REG_CONFIG, 0, 0x0, 0x1ffffffffff, NULL, pfm_mont_pmc_check, {0,0, 0, 0}, {0,0, 0, 0}},
52/* pmc36 */ { PFM_REG_CONFIG, 0, 0xfffffff0, 0xf, NULL, pfm_mont_pmc_check, {0,0, 0, 0}, {0,0, 0, 0}},
53/* pmc37 */ { PFM_REG_MONITOR, 4, 0x0, 0x3fff, NULL, pfm_mont_pmc_check, {RDEP_MONT_IEAR, 0, 0, 0}, {0, 0, 0, 0}},
54/* pmc38 */ { PFM_REG_CONFIG, 0, 0xdb6, 0x2492, NULL, pfm_mont_pmc_check, {0,0, 0, 0}, {0,0, 0, 0}},
55/* pmc39 */ { PFM_REG_MONITOR, 6, 0x0, 0xffcf, NULL, pfm_mont_pmc_check, {RDEP_MONT_ETB,0, 0, 0}, {0,0, 0, 0}},
56/* pmc40 */ { PFM_REG_MONITOR, 6, 0x2000000, 0xf01cf, NULL, pfm_mont_pmc_check, {RDEP_MONT_DEAR,0, 0, 0}, {0,0, 0, 0}},
57/* pmc41 */ { PFM_REG_CONFIG, 0, 0x00002078fefefefe, 0x1e00018181818, NULL, pfm_mont_pmc_check, {0,0, 0, 0}, {0,0, 0, 0}},
58/* pmc42 */ { PFM_REG_MONITOR, 6, 0x0, 0x7ff4f, NULL, pfm_mont_pmc_check, {RDEP_MONT_ETB,0, 0, 0}, {0,0, 0, 0}},
59 { PFM_REG_END , 0, 0x0, -1, NULL, NULL, {0,}, {0,}}, /* end marker */
60};
61
62static pfm_reg_desc_t pfm_mont_pmd_desc[PMU_MAX_PMDS]={
63/* pmd0 */ { PFM_REG_NOTIMPL, },
64/* pmd1 */ { PFM_REG_NOTIMPL, },
65/* pmd2 */ { PFM_REG_NOTIMPL, },
66/* pmd3 */ { PFM_REG_NOTIMPL, },
67/* pmd4 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(4),0, 0, 0}},
68/* pmd5 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(5),0, 0, 0}},
69/* pmd6 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(6),0, 0, 0}},
70/* pmd7 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(7),0, 0, 0}},
71/* pmd8 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(8),0, 0, 0}},
72/* pmd9 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(9),0, 0, 0}},
73/* pmd10 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(10),0, 0, 0}},
74/* pmd11 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(11),0, 0, 0}},
75/* pmd12 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(12),0, 0, 0}},
76/* pmd13 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(13),0, 0, 0}},
77/* pmd14 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(14),0, 0, 0}},
78/* pmd15 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(15),0, 0, 0}},
79/* pmd16 */ { PFM_REG_NOTIMPL, },
80/* pmd17 */ { PFM_REG_NOTIMPL, },
81/* pmd18 */ { PFM_REG_NOTIMPL, },
82/* pmd19 */ { PFM_REG_NOTIMPL, },
83/* pmd20 */ { PFM_REG_NOTIMPL, },
84/* pmd21 */ { PFM_REG_NOTIMPL, },
85/* pmd22 */ { PFM_REG_NOTIMPL, },
86/* pmd23 */ { PFM_REG_NOTIMPL, },
87/* pmd24 */ { PFM_REG_NOTIMPL, },
88/* pmd25 */ { PFM_REG_NOTIMPL, },
89/* pmd26 */ { PFM_REG_NOTIMPL, },
90/* pmd27 */ { PFM_REG_NOTIMPL, },
91/* pmd28 */ { PFM_REG_NOTIMPL, },
92/* pmd29 */ { PFM_REG_NOTIMPL, },
93/* pmd30 */ { PFM_REG_NOTIMPL, },
94/* pmd31 */ { PFM_REG_NOTIMPL, },
95/* pmd32 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP(33)|RDEP(36),0, 0, 0}, {RDEP(40),0, 0, 0}},
96/* pmd33 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP(32)|RDEP(36),0, 0, 0}, {RDEP(40),0, 0, 0}},
97/* pmd34 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP(35),0, 0, 0}, {RDEP(37),0, 0, 0}},
98/* pmd35 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP(34),0, 0, 0}, {RDEP(37),0, 0, 0}},
99/* pmd36 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP(32)|RDEP(33),0, 0, 0}, {RDEP(40),0, 0, 0}},
100/* pmd37 */ { PFM_REG_NOTIMPL, },
101/* pmd38 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
102/* pmd39 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
103/* pmd40 */ { PFM_REG_NOTIMPL, },
104/* pmd41 */ { PFM_REG_NOTIMPL, },
105/* pmd42 */ { PFM_REG_NOTIMPL, },
106/* pmd43 */ { PFM_REG_NOTIMPL, },
107/* pmd44 */ { PFM_REG_NOTIMPL, },
108/* pmd45 */ { PFM_REG_NOTIMPL, },
109/* pmd46 */ { PFM_REG_NOTIMPL, },
110/* pmd47 */ { PFM_REG_NOTIMPL, },
111/* pmd48 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
112/* pmd49 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
113/* pmd50 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
114/* pmd51 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
115/* pmd52 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
116/* pmd53 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
117/* pmd54 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
118/* pmd55 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
119/* pmd56 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
120/* pmd57 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
121/* pmd58 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
122/* pmd59 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
123/* pmd60 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
124/* pmd61 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
125/* pmd62 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
126/* pmd63 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}},
127 { PFM_REG_END , 0, 0x0, -1, NULL, NULL, {0,}, {0,}}, /* end marker */
128};
129
130/*
131 * PMC reserved fields must have their power-up values preserved
132 */
133static int
134pfm_mont_reserved(unsigned int cnum, unsigned long *val, struct pt_regs *regs)
135{
136 unsigned long tmp1, tmp2, ival = *val;
137
138 /* remove reserved areas from user value */
139 tmp1 = ival & PMC_RSVD_MASK(cnum);
140
141 /* get reserved fields values */
142 tmp2 = PMC_DFL_VAL(cnum) & ~PMC_RSVD_MASK(cnum);
143
144 *val = tmp1 | tmp2;
145
146 DPRINT(("pmc[%d]=0x%lx, mask=0x%lx, reset=0x%lx, val=0x%lx\n",
147 cnum, ival, PMC_RSVD_MASK(cnum), PMC_DFL_VAL(cnum), *val));
148 return 0;
149}
150
151/*
152 * task can be NULL if the context is unloaded
153 */
154static int
155pfm_mont_pmc_check(struct task_struct *task, pfm_context_t *ctx, unsigned int cnum, unsigned long *val, struct pt_regs *regs)
156{
157 int ret = 0;
158 unsigned long val32 = 0, val38 = 0, val41 = 0;
159 unsigned long tmpval;
160 int check_case1 = 0;
161 int is_loaded;
162
163 /* first preserve the reserved fields */
164 pfm_mont_reserved(cnum, val, regs);
165
166 tmpval = *val;
167
168 /* sanity check */
169 if (ctx == NULL) return -EINVAL;
170
171 is_loaded = ctx->ctx_state == PFM_CTX_LOADED || ctx->ctx_state == PFM_CTX_MASKED;
172
173 /*
174 * we must clear the debug registers if pmc41 has a value which enable
175 * memory pipeline event constraints. In this case we need to clear the
176 * the debug registers if they have not yet been accessed. This is required
177 * to avoid picking stale state.
178 * PMC41 is "active" if:
179 * one of the pmc41.cfg_dtagXX field is different from 0x3
180 * AND
181 * at the corresponding pmc41.en_dbrpXX is set.
182 * AND
183 * ctx_fl_using_dbreg == 0 (i.e., dbr not yet used)
184 */
185 DPRINT(("cnum=%u val=0x%lx, using_dbreg=%d loaded=%d\n", cnum, tmpval, ctx->ctx_fl_using_dbreg, is_loaded));
186
187 if (cnum == 41 && is_loaded
188 && (tmpval & 0x1e00000000000) && (tmpval & 0x18181818UL) != 0x18181818UL && ctx->ctx_fl_using_dbreg == 0) {
189
190 DPRINT(("pmc[%d]=0x%lx has active pmc41 settings, clearing dbr\n", cnum, tmpval));
191
192 /* don't mix debug with perfmon */
193 if (task && (task->thread.flags & IA64_THREAD_DBG_VALID) != 0) return -EINVAL;
194
195 /*
196 * a count of 0 will mark the debug registers if:
197 * AND
198 */
199 ret = pfm_write_ibr_dbr(PFM_DATA_RR, ctx, NULL, 0, regs);
200 if (ret) return ret;
201 }
202 /*
203 * we must clear the (instruction) debug registers if:
204 * pmc38.ig_ibrpX is 0 (enabled)
205 * AND
206 * ctx_fl_using_dbreg == 0 (i.e., dbr not yet used)
207 */
208 if (cnum == 38 && is_loaded && ((tmpval & 0x492UL) != 0x492UL) && ctx->ctx_fl_using_dbreg == 0) {
209
210 DPRINT(("pmc38=0x%lx has active pmc38 settings, clearing ibr\n", tmpval));
211
212 /* don't mix debug with perfmon */
213 if (task && (task->thread.flags & IA64_THREAD_DBG_VALID) != 0) return -EINVAL;
214
215 /*
216 * a count of 0 will mark the debug registers as in use and also
217 * ensure that they are properly cleared.
218 */
219 ret = pfm_write_ibr_dbr(PFM_CODE_RR, ctx, NULL, 0, regs);
220 if (ret) return ret;
221
222 }
223 switch(cnum) {
224 case 32: val32 = *val;
225 val38 = ctx->ctx_pmcs[38];
226 val41 = ctx->ctx_pmcs[41];
227 check_case1 = 1;
228 break;
229 case 38: val38 = *val;
230 val32 = ctx->ctx_pmcs[32];
231 val41 = ctx->ctx_pmcs[41];
232 check_case1 = 1;
233 break;
234 case 41: val41 = *val;
235 val32 = ctx->ctx_pmcs[32];
236 val38 = ctx->ctx_pmcs[38];
237 check_case1 = 1;
238 break;
239 }
240 /* check illegal configuration which can produce inconsistencies in tagging
241 * i-side events in L1D and L2 caches
242 */
243 if (check_case1) {
244 ret = (((val41 >> 45) & 0xf) == 0 && ((val32>>57) & 0x1) == 0)
245 && ((((val38>>1) & 0x3) == 0x2 || ((val38>>1) & 0x3) == 0)
246 || (((val38>>4) & 0x3) == 0x2 || ((val38>>4) & 0x3) == 0));
247 if (ret) {
248 DPRINT(("invalid config pmc38=0x%lx pmc41=0x%lx pmc32=0x%lx\n", val38, val41, val32));
249 return -EINVAL;
250 }
251 }
252 *val = tmpval;
253 return 0;
254}
255
256/*
257 * impl_pmcs, impl_pmds are computed at runtime to minimize errors!
258 */
259static pmu_config_t pmu_conf_mont={
260 .pmu_name = "Montecito",
261 .pmu_family = 0x20,
262 .flags = PFM_PMU_IRQ_RESEND,
263 .ovfl_val = (1UL << 47) - 1,
264 .pmd_desc = pfm_mont_pmd_desc,
265 .pmc_desc = pfm_mont_pmc_desc,
266 .num_ibrs = 8,
267 .num_dbrs = 8,
268 .use_rr_dbregs = 1 /* debug register are use for range retrictions */
269};
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-26 11:02:10 -0500