1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM xen 4 5 #if !defined(_TRACE_XEN_H) || defined(TRACE_HEADER_MULTI_READ) 6 #define _TRACE_XEN_H 7 8 #include <linux/tracepoint.h> 9 #include <asm/xen/hypervisor.h> 10 #include <asm/xen/trace_types.h> 11 12 struct multicall_entry; 13 14 /* Multicalls */ 15 TRACE_EVENT(xen_mc_batch, 16 TP_PROTO(unsigned long flags), 17 TP_ARGS(flags), 18 TP_STRUCT__entry( 19 __field(unsigned long, flags) 20 ), 21 TP_fast_assign(__entry->flags = flags), 22 TP_printk("start batch lazy flags %lx", __entry->flags) 23 ); 24 25 TRACE_EVENT(xen_mc_issue, 26 TP_PROTO(bool flush, unsigned long flags), 27 TP_ARGS(flush, flags), 28 TP_STRUCT__entry( 29 __field(unsigned long, flags) 30 __field(bool, flush) 31 ), 32 TP_fast_assign(__entry->flush = flush; 33 __entry->flags = flags; 34 ), 35 TP_printk("flush: %s, flags %lx", 36 __entry->flush ? "yes" : "no", __entry->flags) 37 ); 38 39 TRACE_DEFINE_SIZEOF(ulong); 40 41 TRACE_EVENT(xen_mc_entry, 42 TP_PROTO(struct multicall_entry *mc, unsigned nargs), 43 TP_ARGS(mc, nargs), 44 TP_STRUCT__entry( 45 __field(unsigned int, op) 46 __field(unsigned int, nargs) 47 __array(unsigned long, args, 6) 48 ), 49 TP_fast_assign(__entry->op = mc->op; 50 __entry->nargs = nargs; 51 memcpy(__entry->args, mc->args, sizeof(ulong) * nargs); 52 memset(__entry->args + nargs, 0, sizeof(ulong) * (6 - nargs)); 53 ), 54 TP_printk("op %u%s args [%lx, %lx, %lx, %lx, %lx, %lx]", 55 __entry->op, xen_hypercall_name(__entry->op), 56 __entry->args[0], __entry->args[1], __entry->args[2], 57 __entry->args[3], __entry->args[4], __entry->args[5]) 58 ); 59 60 TRACE_EVENT(xen_mc_entry_alloc, 61 TP_PROTO(size_t args), 62 TP_ARGS(args), 63 TP_STRUCT__entry( 64 __field(size_t, args) 65 ), 66 TP_fast_assign(__entry->args = args), 67 TP_printk("alloc entry %zu arg bytes", __entry->args) 68 ); 69 70 TRACE_EVENT(xen_mc_callback, 71 TP_PROTO(xen_mc_callback_fn_t fn, void *data), 72 TP_ARGS(fn, data), 73 TP_STRUCT__entry( 74 /* 75 * Use field_struct to avoid is_signed_type() 76 * comparison of a function pointer. 77 */ 78 __field_struct(xen_mc_callback_fn_t, fn) 79 __field(void *, data) 80 ), 81 TP_fast_assign( 82 __entry->fn = fn; 83 __entry->data = data; 84 ), 85 TP_printk("callback %ps, data %p", 86 __entry->fn, __entry->data) 87 ); 88 89 TRACE_EVENT(xen_mc_flush_reason, 90 TP_PROTO(enum xen_mc_flush_reason reason), 91 TP_ARGS(reason), 92 TP_STRUCT__entry( 93 __field(enum xen_mc_flush_reason, reason) 94 ), 95 TP_fast_assign(__entry->reason = reason), 96 TP_printk("flush reason %s", 97 (__entry->reason == XEN_MC_FL_NONE) ? "NONE" : 98 (__entry->reason == XEN_MC_FL_BATCH) ? "BATCH" : 99 (__entry->reason == XEN_MC_FL_ARGS) ? "ARGS" : 100 (__entry->reason == XEN_MC_FL_CALLBACK) ? "CALLBACK" : "??") 101 ); 102 103 TRACE_EVENT(xen_mc_flush, 104 TP_PROTO(unsigned mcidx, unsigned argidx, unsigned cbidx), 105 TP_ARGS(mcidx, argidx, cbidx), 106 TP_STRUCT__entry( 107 __field(unsigned, mcidx) 108 __field(unsigned, argidx) 109 __field(unsigned, cbidx) 110 ), 111 TP_fast_assign(__entry->mcidx = mcidx; 112 __entry->argidx = argidx; 113 __entry->cbidx = cbidx), 114 TP_printk("flushing %u hypercalls, %u arg bytes, %u callbacks", 115 __entry->mcidx, __entry->argidx, __entry->cbidx) 116 ); 117 118 TRACE_EVENT(xen_mc_extend_args, 119 TP_PROTO(unsigned long op, size_t args, enum xen_mc_extend_args res), 120 TP_ARGS(op, args, res), 121 TP_STRUCT__entry( 122 __field(unsigned int, op) 123 __field(size_t, args) 124 __field(enum xen_mc_extend_args, res) 125 ), 126 TP_fast_assign(__entry->op = op; 127 __entry->args = args; 128 __entry->res = res), 129 TP_printk("extending op %u%s by %zu bytes res %s", 130 __entry->op, xen_hypercall_name(__entry->op), 131 __entry->args, 132 __entry->res == XEN_MC_XE_OK ? "OK" : 133 __entry->res == XEN_MC_XE_BAD_OP ? "BAD_OP" : 134 __entry->res == XEN_MC_XE_NO_SPACE ? "NO_SPACE" : "???") 135 ); 136 137 /* mmu */ 138 TRACE_DEFINE_SIZEOF(pteval_t); 139 140 TRACE_EVENT(xen_mmu_set_pte, 141 TP_PROTO(pte_t *ptep, pte_t pteval), 142 TP_ARGS(ptep, pteval), 143 TP_STRUCT__entry( 144 __field(pte_t *, ptep) 145 __field(pteval_t, pteval) 146 ), 147 TP_fast_assign(__entry->ptep = ptep; 148 __entry->pteval = pteval.pte), 149 TP_printk("ptep %p pteval %0*llx (raw %0*llx)", 150 __entry->ptep, 151 (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)), 152 (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval) 153 ); 154 155 TRACE_DEFINE_SIZEOF(pmdval_t); 156 157 TRACE_EVENT(xen_mmu_set_pmd, 158 TP_PROTO(pmd_t *pmdp, pmd_t pmdval), 159 TP_ARGS(pmdp, pmdval), 160 TP_STRUCT__entry( 161 __field(pmd_t *, pmdp) 162 __field(pmdval_t, pmdval) 163 ), 164 TP_fast_assign(__entry->pmdp = pmdp; 165 __entry->pmdval = pmdval.pmd), 166 TP_printk("pmdp %p pmdval %0*llx (raw %0*llx)", 167 __entry->pmdp, 168 (int)sizeof(pmdval_t) * 2, (unsigned long long)pmd_val(native_make_pmd(__entry->pmdval)), 169 (int)sizeof(pmdval_t) * 2, (unsigned long long)__entry->pmdval) 170 ); 171 172 TRACE_DEFINE_SIZEOF(pudval_t); 173 174 TRACE_EVENT(xen_mmu_set_pud, 175 TP_PROTO(pud_t *pudp, pud_t pudval), 176 TP_ARGS(pudp, pudval), 177 TP_STRUCT__entry( 178 __field(pud_t *, pudp) 179 __field(pudval_t, pudval) 180 ), 181 TP_fast_assign(__entry->pudp = pudp; 182 __entry->pudval = native_pud_val(pudval)), 183 TP_printk("pudp %p pudval %0*llx (raw %0*llx)", 184 __entry->pudp, 185 (int)sizeof(pudval_t) * 2, (unsigned long long)pud_val(native_make_pud(__entry->pudval)), 186 (int)sizeof(pudval_t) * 2, (unsigned long long)__entry->pudval) 187 ); 188 189 TRACE_DEFINE_SIZEOF(p4dval_t); 190 191 TRACE_EVENT(xen_mmu_set_p4d, 192 TP_PROTO(p4d_t *p4dp, p4d_t *user_p4dp, p4d_t p4dval), 193 TP_ARGS(p4dp, user_p4dp, p4dval), 194 TP_STRUCT__entry( 195 __field(p4d_t *, p4dp) 196 __field(p4d_t *, user_p4dp) 197 __field(p4dval_t, p4dval) 198 ), 199 TP_fast_assign(__entry->p4dp = p4dp; 200 __entry->user_p4dp = user_p4dp; 201 __entry->p4dval = p4d_val(p4dval)), 202 TP_printk("p4dp %p user_p4dp %p p4dval %0*llx (raw %0*llx)", 203 __entry->p4dp, __entry->user_p4dp, 204 (int)sizeof(p4dval_t) * 2, (unsigned long long)pgd_val(native_make_pgd(__entry->p4dval)), 205 (int)sizeof(p4dval_t) * 2, (unsigned long long)__entry->p4dval) 206 ); 207 208 DECLARE_EVENT_CLASS(xen_mmu_ptep_modify_prot, 209 TP_PROTO(struct mm_struct *mm, unsigned long addr, 210 pte_t *ptep, pte_t pteval), 211 TP_ARGS(mm, addr, ptep, pteval), 212 TP_STRUCT__entry( 213 __field(struct mm_struct *, mm) 214 __field(unsigned long, addr) 215 __field(pte_t *, ptep) 216 __field(pteval_t, pteval) 217 ), 218 TP_fast_assign(__entry->mm = mm; 219 __entry->addr = addr; 220 __entry->ptep = ptep; 221 __entry->pteval = pteval.pte), 222 TP_printk("mm %p addr %lx ptep %p pteval %0*llx (raw %0*llx)", 223 __entry->mm, __entry->addr, __entry->ptep, 224 (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)), 225 (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval) 226 ); 227 #define DEFINE_XEN_MMU_PTEP_MODIFY_PROT(name) \ 228 DEFINE_EVENT(xen_mmu_ptep_modify_prot, name, \ 229 TP_PROTO(struct mm_struct *mm, unsigned long addr, \ 230 pte_t *ptep, pte_t pteval), \ 231 TP_ARGS(mm, addr, ptep, pteval)) 232 233 DEFINE_XEN_MMU_PTEP_MODIFY_PROT(xen_mmu_ptep_modify_prot_start); 234 DEFINE_XEN_MMU_PTEP_MODIFY_PROT(xen_mmu_ptep_modify_prot_commit); 235 236 TRACE_EVENT(xen_mmu_alloc_ptpage, 237 TP_PROTO(struct mm_struct *mm, unsigned long pfn, unsigned level, bool pinned), 238 TP_ARGS(mm, pfn, level, pinned), 239 TP_STRUCT__entry( 240 __field(struct mm_struct *, mm) 241 __field(unsigned long, pfn) 242 __field(unsigned, level) 243 __field(bool, pinned) 244 ), 245 TP_fast_assign(__entry->mm = mm; 246 __entry->pfn = pfn; 247 __entry->level = level; 248 __entry->pinned = pinned), 249 TP_printk("mm %p pfn %lx level %d %spinned", 250 __entry->mm, __entry->pfn, __entry->level, 251 __entry->pinned ? "" : "un") 252 ); 253 254 TRACE_EVENT(xen_mmu_release_ptpage, 255 TP_PROTO(unsigned long pfn, unsigned level, bool pinned), 256 TP_ARGS(pfn, level, pinned), 257 TP_STRUCT__entry( 258 __field(unsigned long, pfn) 259 __field(unsigned, level) 260 __field(bool, pinned) 261 ), 262 TP_fast_assign(__entry->pfn = pfn; 263 __entry->level = level; 264 __entry->pinned = pinned), 265 TP_printk("pfn %lx level %d %spinned", 266 __entry->pfn, __entry->level, 267 __entry->pinned ? "" : "un") 268 ); 269 270 DECLARE_EVENT_CLASS(xen_mmu_pgd, 271 TP_PROTO(struct mm_struct *mm, pgd_t *pgd), 272 TP_ARGS(mm, pgd), 273 TP_STRUCT__entry( 274 __field(struct mm_struct *, mm) 275 __field(pgd_t *, pgd) 276 ), 277 TP_fast_assign(__entry->mm = mm; 278 __entry->pgd = pgd), 279 TP_printk("mm %p pgd %p", __entry->mm, __entry->pgd) 280 ); 281 #define DEFINE_XEN_MMU_PGD_EVENT(name) \ 282 DEFINE_EVENT(xen_mmu_pgd, name, \ 283 TP_PROTO(struct mm_struct *mm, pgd_t *pgd), \ 284 TP_ARGS(mm, pgd)) 285 286 DEFINE_XEN_MMU_PGD_EVENT(xen_mmu_pgd_pin); 287 DEFINE_XEN_MMU_PGD_EVENT(xen_mmu_pgd_unpin); 288 289 TRACE_EVENT(xen_mmu_flush_tlb_one_user, 290 TP_PROTO(unsigned long addr), 291 TP_ARGS(addr), 292 TP_STRUCT__entry( 293 __field(unsigned long, addr) 294 ), 295 TP_fast_assign(__entry->addr = addr), 296 TP_printk("addr %lx", __entry->addr) 297 ); 298 299 TRACE_EVENT(xen_mmu_flush_tlb_multi, 300 TP_PROTO(const struct cpumask *cpus, struct mm_struct *mm, 301 unsigned long addr, unsigned long end), 302 TP_ARGS(cpus, mm, addr, end), 303 TP_STRUCT__entry( 304 __field(unsigned, ncpus) 305 __field(struct mm_struct *, mm) 306 __field(unsigned long, addr) 307 __field(unsigned long, end) 308 ), 309 TP_fast_assign(__entry->ncpus = cpumask_weight(cpus); 310 __entry->mm = mm; 311 __entry->addr = addr, 312 __entry->end = end), 313 TP_printk("ncpus %d mm %p addr %lx, end %lx", 314 __entry->ncpus, __entry->mm, __entry->addr, __entry->end) 315 ); 316 317 TRACE_EVENT(xen_mmu_write_cr3, 318 TP_PROTO(bool kernel, unsigned long cr3), 319 TP_ARGS(kernel, cr3), 320 TP_STRUCT__entry( 321 __field(bool, kernel) 322 __field(unsigned long, cr3) 323 ), 324 TP_fast_assign(__entry->kernel = kernel; 325 __entry->cr3 = cr3), 326 TP_printk("%s cr3 %lx", 327 __entry->kernel ? "kernel" : "user", __entry->cr3) 328 ); 329 330 331 /* CPU */ 332 TRACE_EVENT(xen_cpu_write_ldt_entry, 333 TP_PROTO(struct desc_struct *dt, int entrynum, u64 desc), 334 TP_ARGS(dt, entrynum, desc), 335 TP_STRUCT__entry( 336 __field(struct desc_struct *, dt) 337 __field(int, entrynum) 338 __field(u64, desc) 339 ), 340 TP_fast_assign(__entry->dt = dt; 341 __entry->entrynum = entrynum; 342 __entry->desc = desc; 343 ), 344 TP_printk("dt %p entrynum %d entry %016llx", 345 __entry->dt, __entry->entrynum, 346 (unsigned long long)__entry->desc) 347 ); 348 349 TRACE_EVENT(xen_cpu_write_idt_entry, 350 TP_PROTO(gate_desc *dt, int entrynum, const gate_desc *ent), 351 TP_ARGS(dt, entrynum, ent), 352 TP_STRUCT__entry( 353 __field(gate_desc *, dt) 354 __field(int, entrynum) 355 ), 356 TP_fast_assign(__entry->dt = dt; 357 __entry->entrynum = entrynum; 358 ), 359 TP_printk("dt %p entrynum %d", 360 __entry->dt, __entry->entrynum) 361 ); 362 363 TRACE_EVENT(xen_cpu_load_idt, 364 TP_PROTO(const struct desc_ptr *desc), 365 TP_ARGS(desc), 366 TP_STRUCT__entry( 367 __field(unsigned long, addr) 368 ), 369 TP_fast_assign(__entry->addr = desc->address), 370 TP_printk("addr %lx", __entry->addr) 371 ); 372 373 TRACE_EVENT(xen_cpu_write_gdt_entry, 374 TP_PROTO(struct desc_struct *dt, int entrynum, const void *desc, int type), 375 TP_ARGS(dt, entrynum, desc, type), 376 TP_STRUCT__entry( 377 __field(u64, desc) 378 __field(struct desc_struct *, dt) 379 __field(int, entrynum) 380 __field(int, type) 381 ), 382 TP_fast_assign(__entry->dt = dt; 383 __entry->entrynum = entrynum; 384 __entry->desc = *(u64 *)desc; 385 __entry->type = type; 386 ), 387 TP_printk("dt %p entrynum %d type %d desc %016llx", 388 __entry->dt, __entry->entrynum, __entry->type, 389 (unsigned long long)__entry->desc) 390 ); 391 392 TRACE_EVENT(xen_cpu_set_ldt, 393 TP_PROTO(const void *addr, unsigned entries), 394 TP_ARGS(addr, entries), 395 TP_STRUCT__entry( 396 __field(const void *, addr) 397 __field(unsigned, entries) 398 ), 399 TP_fast_assign(__entry->addr = addr; 400 __entry->entries = entries), 401 TP_printk("addr %p entries %u", 402 __entry->addr, __entry->entries) 403 ); 404 405 #endif /* _TRACE_XEN_H */ 406 407 /* This part must be outside protection */ 408 #include <trace/define_trace.h> 409