Quelle  xen.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM xen

#if !defined(_TRACE_XEN_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_XEN_H

#include <linux/tracepoint.h>
#include <asm/xen/hypervisor.h>
#include <asm/xen/trace_types.h>

struct multicall_entry;

/* Multicalls */
DECLARE_EVENT_CLASS(xen_mc__batch,
     TP_PROTO(enum xen_lazy_mode mode),
     TP_ARGS(mode),
     TP_STRUCT__entry(
      __field(enum xen_lazy_mode, mode)
      ),
     TP_fast_assign(__entry->mode = mode),
     TP_printk("start batch LAZY_%s",
        (__entry->mode == XEN_LAZY_MMU) ? "MMU" :
        (__entry->mode == XEN_LAZY_CPU) ? "CPU" : "NONE")
 );
#define DEFINE_XEN_MC_BATCH(name)   \
 DEFINE_EVENT(xen_mc__batch, name,  \
  TP_PROTO(enum xen_lazy_mode mode), \
       TP_ARGS(mode))

DEFINE_XEN_MC_BATCH(xen_mc_batch);
DEFINE_XEN_MC_BATCH(xen_mc_issue);

TRACE_DEFINE_SIZEOF(ulong);

TRACE_EVENT(xen_mc_entry,
     TP_PROTO(struct multicall_entry *mc, unsigned nargs),
     TP_ARGS(mc, nargs),
     TP_STRUCT__entry(
      __field(unsigned int, op)
      __field(unsigned int, nargs)
      __array(unsigned long, args, 6)
      ),
     TP_fast_assign(__entry->op = mc->op;
      __entry->nargs = nargs;
      memcpy(__entry->args, mc->args, sizeof(ulong) * nargs);
      memset(__entry->args + nargs, 0, sizeof(ulong) * (6 - nargs));
      ),
     TP_printk("op %u%s args [%lx, %lx, %lx, %lx, %lx, %lx]",
        __entry->op, xen_hypercall_name(__entry->op),
        __entry->args[0], __entry->args[1], __entry->args[2],
        __entry->args[3], __entry->args[4], __entry->args[5])
 );

TRACE_EVENT(xen_mc_entry_alloc,
     TP_PROTO(size_t args),
     TP_ARGS(args),
     TP_STRUCT__entry(
      __field(size_t, args)
      ),
     TP_fast_assign(__entry->args = args),
     TP_printk("alloc entry %zu arg bytes", __entry->args)
 );

TRACE_EVENT(xen_mc_callback,
     TP_PROTO(xen_mc_callback_fn_t fn, void *data),
     TP_ARGS(fn, data),
     TP_STRUCT__entry(
      /*
     * Use field_struct to avoid is_signed_type()
     * comparison of a function pointer.
     */
      __field_struct(xen_mc_callback_fn_t, fn)
      __field(void *, data)
      ),
     TP_fast_assign(
      __entry->fn = fn;
      __entry->data = data;
      ),
     TP_printk("callback %ps, data %p",
        __entry->fn, __entry->data)
 );

TRACE_EVENT(xen_mc_flush_reason,
     TP_PROTO(enum xen_mc_flush_reason reason),
     TP_ARGS(reason),
     TP_STRUCT__entry(
      __field(enum xen_mc_flush_reason, reason)
      ),
     TP_fast_assign(__entry->reason = reason),
     TP_printk("flush reason %s",
        (__entry->reason == XEN_MC_FL_NONE) ? "NONE" :
        (__entry->reason == XEN_MC_FL_BATCH) ? "BATCH" :
        (__entry->reason == XEN_MC_FL_ARGS) ? "ARGS" :
        (__entry->reason == XEN_MC_FL_CALLBACK) ? "CALLBACK" : "??")
 );

TRACE_EVENT(xen_mc_flush,
     TP_PROTO(unsigned mcidx, unsigned argidx, unsigned cbidx),
     TP_ARGS(mcidx, argidx, cbidx),
     TP_STRUCT__entry(
      __field(unsigned, mcidx)
      __field(unsigned, argidx)
      __field(unsigned, cbidx)
      ),
     TP_fast_assign(__entry->mcidx = mcidx;
      __entry->argidx = argidx;
      __entry->cbidx = cbidx),
     TP_printk("flushing %u hypercalls, %u arg bytes, %u callbacks",
        __entry->mcidx, __entry->argidx, __entry->cbidx)
 );

TRACE_EVENT(xen_mc_extend_args,
     TP_PROTO(unsigned long op, size_t args, enum xen_mc_extend_args res),
     TP_ARGS(op, args, res),
     TP_STRUCT__entry(
      __field(unsigned int, op)
      __field(size_t, args)
      __field(enum xen_mc_extend_args, res)
      ),
     TP_fast_assign(__entry->op = op;
      __entry->args = args;
      __entry->res = res),
     TP_printk("extending op %u%s by %zu bytes res %s",
        __entry->op, xen_hypercall_name(__entry->op),
        __entry->args,
        __entry->res == XEN_MC_XE_OK ? "OK" :
        __entry->res == XEN_MC_XE_BAD_OP ? "BAD_OP" :
        __entry->res == XEN_MC_XE_NO_SPACE ? "NO_SPACE" : "???")
 );

TRACE_DEFINE_SIZEOF(pteval_t);
/* mmu */
DECLARE_EVENT_CLASS(xen_mmu__set_pte,
     TP_PROTO(pte_t *ptep, pte_t pteval),
     TP_ARGS(ptep, pteval),
     TP_STRUCT__entry(
      __field(pte_t *, ptep)
      __field(pteval_t, pteval)
      ),
     TP_fast_assign(__entry->ptep = ptep;
      __entry->pteval = pteval.pte),
     TP_printk("ptep %p pteval %0*llx (raw %0*llx)",
        __entry->ptep,
        (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)),
        (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval)
 );

#define DEFINE_XEN_MMU_SET_PTE(name)    \
 DEFINE_EVENT(xen_mmu__set_pte, name,   \
       TP_PROTO(pte_t *ptep, pte_t pteval), \
       TP_ARGS(ptep, pteval))

DEFINE_XEN_MMU_SET_PTE(xen_mmu_set_pte);

TRACE_DEFINE_SIZEOF(pmdval_t);

TRACE_EVENT(xen_mmu_set_pmd,
     TP_PROTO(pmd_t *pmdp, pmd_t pmdval),
     TP_ARGS(pmdp, pmdval),
     TP_STRUCT__entry(
      __field(pmd_t *, pmdp)
      __field(pmdval_t, pmdval)
      ),
     TP_fast_assign(__entry->pmdp = pmdp;
      __entry->pmdval = pmdval.pmd),
     TP_printk("pmdp %p pmdval %0*llx (raw %0*llx)",
        __entry->pmdp,
        (int)sizeof(pmdval_t) * 2, (unsigned long long)pmd_val(native_make_pmd(__entry->pmdval)),
        (int)sizeof(pmdval_t) * 2, (unsigned long long)__entry->pmdval)
 );

#ifdef CONFIG_X86_PAE
DEFINE_XEN_MMU_SET_PTE(xen_mmu_set_pte_atomic);

TRACE_EVENT(xen_mmu_pte_clear,
     TP_PROTO(struct mm_struct *mm, unsigned long addr, pte_t *ptep),
     TP_ARGS(mm, addr, ptep),
     TP_STRUCT__entry(
      __field(struct mm_struct *, mm)
      __field(unsigned long, addr)
      __field(pte_t *, ptep)
      ),
     TP_fast_assign(__entry->mm = mm;
      __entry->addr = addr;
      __entry->ptep = ptep),
     TP_printk("mm %p addr %lx ptep %p",
        __entry->mm, __entry->addr, __entry->ptep)
 );

TRACE_EVENT(xen_mmu_pmd_clear,
     TP_PROTO(pmd_t *pmdp),
     TP_ARGS(pmdp),
     TP_STRUCT__entry(
      __field(pmd_t *, pmdp)
      ),
     TP_fast_assign(__entry->pmdp = pmdp),
     TP_printk("pmdp %p", __entry->pmdp)
 );
#endif

#if CONFIG_PGTABLE_LEVELS >= 4

TRACE_DEFINE_SIZEOF(pudval_t);

TRACE_EVENT(xen_mmu_set_pud,
     TP_PROTO(pud_t *pudp, pud_t pudval),
     TP_ARGS(pudp, pudval),
     TP_STRUCT__entry(
      __field(pud_t *, pudp)
      __field(pudval_t, pudval)
      ),
     TP_fast_assign(__entry->pudp = pudp;
      __entry->pudval = native_pud_val(pudval)),
     TP_printk("pudp %p pudval %0*llx (raw %0*llx)",
        __entry->pudp,
        (int)sizeof(pudval_t) * 2, (unsigned long long)pud_val(native_make_pud(__entry->pudval)),
        (int)sizeof(pudval_t) * 2, (unsigned long long)__entry->pudval)
 );

TRACE_DEFINE_SIZEOF(p4dval_t);

TRACE_EVENT(xen_mmu_set_p4d,
     TP_PROTO(p4d_t *p4dp, p4d_t *user_p4dp, p4d_t p4dval),
     TP_ARGS(p4dp, user_p4dp, p4dval),
     TP_STRUCT__entry(
      __field(p4d_t *, p4dp)
      __field(p4d_t *, user_p4dp)
      __field(p4dval_t, p4dval)
      ),
     TP_fast_assign(__entry->p4dp = p4dp;
      __entry->user_p4dp = user_p4dp;
      __entry->p4dval = p4d_val(p4dval)),
     TP_printk("p4dp %p user_p4dp %p p4dval %0*llx (raw %0*llx)",
        __entry->p4dp, __entry->user_p4dp,
        (int)sizeof(p4dval_t) * 2, (unsigned long long)pgd_val(native_make_pgd(__entry->p4dval)),
        (int)sizeof(p4dval_t) * 2, (unsigned long long)__entry->p4dval)
 );
#else

TRACE_EVENT(xen_mmu_set_pud,
     TP_PROTO(pud_t *pudp, pud_t pudval),
     TP_ARGS(pudp, pudval),
     TP_STRUCT__entry(
      __field(pud_t *, pudp)
      __field(pudval_t, pudval)
      ),
     TP_fast_assign(__entry->pudp = pudp;
      __entry->pudval = native_pud_val(pudval)),
     TP_printk("pudp %p pudval %0*llx (raw %0*llx)",
        __entry->pudp,
        (int)sizeof(pudval_t) * 2, (unsigned long long)pgd_val(native_make_pgd(__entry->pudval)),
        (int)sizeof(pudval_t) * 2, (unsigned long long)__entry->pudval)
 );

#endif

DECLARE_EVENT_CLASS(xen_mmu_ptep_modify_prot,
     TP_PROTO(struct mm_struct *mm, unsigned long addr,
       pte_t *ptep, pte_t pteval),
     TP_ARGS(mm, addr, ptep, pteval),
     TP_STRUCT__entry(
      __field(struct mm_struct *, mm)
      __field(unsigned long, addr)
      __field(pte_t *, ptep)
      __field(pteval_t, pteval)
      ),
     TP_fast_assign(__entry->mm = mm;
      __entry->addr = addr;
      __entry->ptep = ptep;
      __entry->pteval = pteval.pte),
     TP_printk("mm %p addr %lx ptep %p pteval %0*llx (raw %0*llx)",
        __entry->mm, __entry->addr, __entry->ptep,
        (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)),
        (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval)
 );
#define DEFINE_XEN_MMU_PTEP_MODIFY_PROT(name)    \
 DEFINE_EVENT(xen_mmu_ptep_modify_prot, name,   \
       TP_PROTO(struct mm_struct *mm, unsigned long addr, \
         pte_t *ptep, pte_t pteval),  \
       TP_ARGS(mm, addr, ptep, pteval))

DEFINE_XEN_MMU_PTEP_MODIFY_PROT(xen_mmu_ptep_modify_prot_start);
DEFINE_XEN_MMU_PTEP_MODIFY_PROT(xen_mmu_ptep_modify_prot_commit);

TRACE_EVENT(xen_mmu_alloc_ptpage,
     TP_PROTO(struct mm_struct *mm, unsigned long pfn, unsigned level, bool pinned),
     TP_ARGS(mm, pfn, level, pinned),
     TP_STRUCT__entry(
      __field(struct mm_struct *, mm)
      __field(unsigned long, pfn)
      __field(unsigned, level)
      __field(bool, pinned)
      ),
     TP_fast_assign(__entry->mm = mm;
      __entry->pfn = pfn;
      __entry->level = level;
      __entry->pinned = pinned),
     TP_printk("mm %p pfn %lx level %d %spinned",
        __entry->mm, __entry->pfn, __entry->level,
        __entry->pinned ? "" : "un")
 );

TRACE_EVENT(xen_mmu_release_ptpage,
     TP_PROTO(unsigned long pfn, unsigned level, bool pinned),
     TP_ARGS(pfn, level, pinned),
     TP_STRUCT__entry(
      __field(unsigned long, pfn)
      __field(unsigned, level)
      __field(bool, pinned)
      ),
     TP_fast_assign(__entry->pfn = pfn;
      __entry->level = level;
      __entry->pinned = pinned),
     TP_printk("pfn %lx level %d %spinned",
        __entry->pfn, __entry->level,
        __entry->pinned ? "" : "un")
 );

DECLARE_EVENT_CLASS(xen_mmu_pgd,
     TP_PROTO(struct mm_struct *mm, pgd_t *pgd),
     TP_ARGS(mm, pgd),
     TP_STRUCT__entry(
      __field(struct mm_struct *, mm)
      __field(pgd_t *, pgd)
      ),
     TP_fast_assign(__entry->mm = mm;
      __entry->pgd = pgd),
     TP_printk("mm %p pgd %p", __entry->mm, __entry->pgd)
 );
#define DEFINE_XEN_MMU_PGD_EVENT(name)    \
 DEFINE_EVENT(xen_mmu_pgd, name,    \
  TP_PROTO(struct mm_struct *mm, pgd_t *pgd), \
       TP_ARGS(mm, pgd))

DEFINE_XEN_MMU_PGD_EVENT(xen_mmu_pgd_pin);
DEFINE_XEN_MMU_PGD_EVENT(xen_mmu_pgd_unpin);

TRACE_EVENT(xen_mmu_flush_tlb_one_user,
     TP_PROTO(unsigned long addr),
     TP_ARGS(addr),
     TP_STRUCT__entry(
      __field(unsigned long, addr)
      ),
     TP_fast_assign(__entry->addr = addr),
     TP_printk("addr %lx", __entry->addr)
 );

TRACE_EVENT(xen_mmu_flush_tlb_multi,
     TP_PROTO(const struct cpumask *cpus, struct mm_struct *mm,
       unsigned long addr, unsigned long end),
     TP_ARGS(cpus, mm, addr, end),
     TP_STRUCT__entry(
      __field(unsigned, ncpus)
      __field(struct mm_struct *, mm)
      __field(unsigned long, addr)
      __field(unsigned long, end)
      ),
     TP_fast_assign(__entry->ncpus = cpumask_weight(cpus);
      __entry->mm = mm;
      __entry->addr = addr,
      __entry->end = end),
     TP_printk("ncpus %d mm %p addr %lx, end %lx",
        __entry->ncpus, __entry->mm, __entry->addr, __entry->end)
 );

TRACE_EVENT(xen_mmu_write_cr3,
     TP_PROTO(bool kernel, unsigned long cr3),
     TP_ARGS(kernel, cr3),
     TP_STRUCT__entry(
      __field(bool, kernel)
      __field(unsigned long, cr3)
      ),
     TP_fast_assign(__entry->kernel = kernel;
      __entry->cr3 = cr3),
     TP_printk("%s cr3 %lx",
        __entry->kernel ? "kernel" : "user", __entry->cr3)
 );


/* CPU */
TRACE_EVENT(xen_cpu_write_ldt_entry,
     TP_PROTO(struct desc_struct *dt, int entrynum, u64 desc),
     TP_ARGS(dt, entrynum, desc),
     TP_STRUCT__entry(
      __field(struct desc_struct *, dt)
      __field(int, entrynum)
      __field(u64, desc)
      ),
     TP_fast_assign(__entry->dt = dt;
      __entry->entrynum = entrynum;
      __entry->desc = desc;
      ),
     TP_printk("dt %p entrynum %d entry %016llx",
        __entry->dt, __entry->entrynum,
        (unsigned long long)__entry->desc)
 );

TRACE_EVENT(xen_cpu_write_idt_entry,
     TP_PROTO(gate_desc *dt, int entrynum, const gate_desc *ent),
     TP_ARGS(dt, entrynum, ent),
     TP_STRUCT__entry(
      __field(gate_desc *, dt)
      __field(int, entrynum)
      ),
     TP_fast_assign(__entry->dt = dt;
      __entry->entrynum = entrynum;
      ),
     TP_printk("dt %p entrynum %d",
        __entry->dt, __entry->entrynum)
 );

TRACE_EVENT(xen_cpu_load_idt,
     TP_PROTO(const struct desc_ptr *desc),
     TP_ARGS(desc),
     TP_STRUCT__entry(
      __field(unsigned long, addr)
      ),
     TP_fast_assign(__entry->addr = desc->address),
     TP_printk("addr %lx", __entry->addr)
 );

TRACE_EVENT(xen_cpu_write_gdt_entry,
     TP_PROTO(struct desc_struct *dt, int entrynum, const void *desc, int type),
     TP_ARGS(dt, entrynum, desc, type),
     TP_STRUCT__entry(
      __field(u64, desc)
      __field(struct desc_struct *, dt)
      __field(int, entrynum)
      __field(int, type)
      ),
     TP_fast_assign(__entry->dt = dt;
      __entry->entrynum = entrynum;
      __entry->desc = *(u64 *)desc;
      __entry->type = type;
      ),
     TP_printk("dt %p entrynum %d type %d desc %016llx",
        __entry->dt, __entry->entrynum, __entry->type,
        (unsigned long long)__entry->desc)
 );

TRACE_EVENT(xen_cpu_set_ldt,
     TP_PROTO(const void *addr, unsigned entries),
     TP_ARGS(addr, entries),
     TP_STRUCT__entry(
      __field(const void *, addr)
      __field(unsigned, entries)
      ),
     TP_fast_assign(__entry->addr = addr;
      __entry->entries = entries),
     TP_printk("addr %p entries %u",
        __entry->addr, __entry->entries)
 );


#endif /*  _TRACE_XEN_H */

/* This part must be outside protection */
#include <trace/define_trace.h>