usr/src/uts/sun4/sys/trapstat.h

   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 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _SYS_TRAPSTAT_H
  27 #define _SYS_TRAPSTAT_H
  28
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30
  31 #ifndef _ASM
  32 #include <sys/processor.h>
  33 #endif
  34
  35 #ifdef  __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 #define TSTATIOC        (('t' << 16) | ('s' << 8))
  40
  41 #define TSTATIOC_READ           (TSTATIOC | 1)
  42 #define TSTATIOC_GO             (TSTATIOC | 2)
  43 #define TSTATIOC_NOGO           (TSTATIOC | 3)
  44 #define TSTATIOC_STOP           (TSTATIOC | 4)
  45 #define TSTATIOC_CPU            (TSTATIOC | 5)
  46 #define TSTATIOC_NOCPU          (TSTATIOC | 6)
  47 #define TSTATIOC_ENTRY          (TSTATIOC | 7)
  48 #define TSTATIOC_NOENTRY        (TSTATIOC | 8)
  49 #define TSTATIOC_TLBDATA        (TSTATIOC | 9)
  50
  51 #define TSTAT_NENT              512
  52
  53 #ifndef _ASM
  54
  55 /*
  56  * tstat_missdata_t must be of size 2^n, for some value of n.  This allows
  57  * tstat_tlbdata_t to be of size 2^(n+2), and tstat_pgszdata_t to be of
  58  * size 2^(n+3) -- a constraint which greatly simplifies the TLB return
  59  * entry.
  60  */
  61 typedef struct tstat_missdata {
  62         uint64_t        tmiss_count;
  63         hrtime_t        tmiss_time;
  64 } tstat_missdata_t;
  65
  66 typedef struct tstat_tlbdata {
  67         tstat_missdata_t        ttlb_tlb;
  68         tstat_missdata_t        ttlb_tsb;
  69 } tstat_tlbdata_t;
  70
  71 typedef struct tstat_modedata {
  72         tstat_tlbdata_t         tmode_itlb;
  73         tstat_tlbdata_t         tmode_dtlb;
  74 } tstat_modedata_t;
  75
  76 typedef struct tstat_pgszdata {
  77         tstat_modedata_t        tpgsz_user;
  78         tstat_modedata_t        tpgsz_kernel;
  79 } tstat_pgszdata_t;
  80
  81 typedef struct tstat_data {
  82         processorid_t   tdata_cpuid;
  83         hrtime_t        tdata_snapts;
  84         hrtime_t        tdata_snaptick;
  85         hrtime_t        tdata_tmptick;
  86         hrtime_t        tdata_peffect;
  87         uint64_t        tdata_traps[TSTAT_NENT];
  88         tstat_pgszdata_t tdata_pgsz[1];
  89 } tstat_data_t;
  90
  91 #endif
  92
  93 #ifdef _KERNEL
  94
  95 #define TSTAT_TLGT0_NENT        256
  96 #define TSTAT_TOTAL_NENT        (TSTAT_NENT + TSTAT_TLGT0_NENT)
  97
  98 #define TSTAT_ENT_NINSTR        8               /* 8 instructions/entry */
  99 #define TSTAT_ENT_SHIFT         5               /* 32 bytes/entry */
 100 #define TSTAT_ENT_ITLBMISS      0x64
 101 #define TSTAT_ENT_DTLBMISS      0x68
 102
 103 #define TSTAT_TLBRET_NINSTR     32
 104
 105 #define TSTAT_PROBE_NPAGES      2048
 106 #define TSTAT_PROBE_SIZE        (TSTAT_PROBE_NPAGES * MMU_PAGESIZE)
 107 #define TSTAT_PROBE_NLAPS       10
 108
 109 #ifdef sun4v
 110 #define TSTAT_TRAPCNT_NINSTR    8
 111 #define TSTAT_TLBENT_NINSTR     64
 112 #define TSTAT_ENT_IMMUMISS      0x09
 113 #define TSTAT_ENT_DMMUMISS      0x31
 114 #endif
 115
 116 #ifndef _ASM
 117
 118 typedef struct tstat_tlbretent {
 119         uint32_t        ttlbrent_instr[TSTAT_TLBRET_NINSTR];
 120 } tstat_tlbretent_t;
 121
 122 #ifdef sun4v
 123 typedef struct tstat_tlbent {
 124         uint32_t        ttlbent_instr[TSTAT_TLBENT_NINSTR];
 125 } tstat_tlbent_t;
 126 #endif /* sun4v */
 127
 128
 129 typedef struct tstat_tlbret {
 130         tstat_tlbretent_t       ttlbr_ktlb;
 131         tstat_tlbretent_t       ttlbr_ktsb;
 132         tstat_tlbretent_t       ttlbr_utlb;
 133         tstat_tlbretent_t       ttlbr_utsb;
 134 } tstat_tlbret_t;
 135
 136 typedef struct tstat_instr {
 137         uint32_t        tinst_traptab[TSTAT_TOTAL_NENT * TSTAT_ENT_NINSTR];
 138         tstat_tlbret_t  tinst_itlbret;
 139         tstat_tlbret_t  tinst_dtlbret;
 140 #ifdef sun4v
 141         tstat_tlbent_t  tinst_immumiss;
 142         tstat_tlbent_t  tinst_dmmumiss;
 143         uint32_t        tinst_trapcnt[TSTAT_TRAPCNT_NINSTR];
 144 #endif
 145 } tstat_instr_t;
 146
 147 typedef struct tstat_tsbmiss_patch_entry {
 148         uint32_t *tpe_addr;
 149         uint32_t tpe_instr;
 150 } tstat_tsbmiss_patch_entry_t;
 151
 152 #endif
 153
 154 #ifdef sun4v
 155
 156 #if (NCPU > 508)
 157 #error "sun4v trapstat supports up to 508 cpus"
 158 #endif
 159
 160 #define TSTAT_TLB_STATS         0x1             /* cpu_tstat_flags */
 161 #define TSTAT_INSTR_SIZE        \
 162         ((sizeof (tstat_instr_t) + MMU_PAGESIZE - 1) & ~(MMU_PAGESIZE - 1))
 163 #define TSTAT_DATA_SHIFT        13
 164 #define TSTAT_DATA_SIZE         (1 << TSTAT_DATA_SHIFT) /* 8K per CPU */
 165 #define TSTAT_TBA_MASK          ~((1 << 15) - 1)        /* 32K boundary */
 166
 167 #define TSTAT_CPU0_DATA_OFFS(tcpu, mem) \
 168         ((uintptr_t)(tcpu)->tcpu_ibase + TSTAT_INSTR_SIZE + \
 169             offsetof(tstat_data_t, mem))
 170
 171 #else /* sun4v */
 172
 173 #define TSTAT_INSTR_PAGES       ((sizeof (tstat_instr_t) >> MMU_PAGESHIFT) + 1)
 174 #define TSTAT_INSTR_SIZE        (TSTAT_INSTR_PAGES * MMU_PAGESIZE)
 175 #define TSTAT_TBA_MASK          ~((1 << 16) - 1)        /* 64K per cpu */
 176
 177 #define TSTAT_DATA_OFFS(tcpu, mem)      \
 178         ((uintptr_t)(tcpu)->tcpu_dbase + offsetof(tstat_data_t, mem))
 179
 180 #endif /* sun4v */
 181
 182 #define TSTAT_INSTR_OFFS(tcpu, mem)     \
 183         ((uintptr_t)(tcpu)->tcpu_ibase + offsetof(tstat_instr_t, mem))
 184
 185 #define TSTAT_CPU_SELECTED      0x0001
 186 #define TSTAT_CPU_ALLOCATED     0x0002
 187 #define TSTAT_CPU_ENABLED       0x0004
 188
 189 #define TSTAT_OPT_CPU           0x0001
 190 #define TSTAT_OPT_NOGO          0x0002
 191 #define TSTAT_OPT_TLBDATA       0x0004
 192 #define TSTAT_OPT_ENTRY         0x0008
 193
 194 #define TSTAT_TSBMISS_INSTR     0x8e01e000      /* add %g7, 0, %g7 */
 195
 196 #ifndef _ASM
 197
 198 typedef struct tstat_percpu {
 199         uint32_t        tcpu_flags;
 200         caddr_t         tcpu_tba;
 201         caddr_t         tcpu_vabase;
 202         caddr_t         tcpu_ibase;
 203         caddr_t         tcpu_dbase;
 204         pfn_t           *tcpu_pfn;
 205         tstat_instr_t   *tcpu_instr;
 206         tstat_data_t    *tcpu_data;
 207 } tstat_percpu_t;
 208
 209 #endif
 210
 211 #endif
 212 #ifdef  __cplusplus
 213 }
 214 #endif
 215
 216 #endif  /* _SYS_TRAPSTAT_H */