1.1 --- a/xen/arch/x86/hvm/hvm.c	Tue May 15 10:43:18 2007 +0100
     1.2 +++ b/xen/arch/x86/hvm/hvm.c	Tue May 15 10:43:59 2007 +0100
     1.3 @@ -776,6 +776,9 @@ int hvm_do_hypercall(struct cpu_user_reg
     1.4  #ifdef __x86_64__
     1.5      if ( mode == 8 )
     1.6      {
     1.7 +        HVM_DBG_LOG(DBG_LEVEL_HCALL, "hcall%u(%lx, %lx, %lx, %lx, %lx)", eax,
     1.8 +                    regs->rdi, regs->rsi, regs->rdx, regs->r10, regs->r8);
     1.9 +
    1.10          regs->rax = hvm_hypercall64_table[eax](regs->rdi,
    1.11                                                 regs->rsi,
    1.12                                                 regs->rdx,
    1.13 @@ -785,6 +788,11 @@ int hvm_do_hypercall(struct cpu_user_reg
    1.14      else
    1.15  #endif
    1.16      {
    1.17 +        HVM_DBG_LOG(DBG_LEVEL_HCALL, "hcall%u(%x, %x, %x, %x, %x)", eax,
    1.18 +                    (uint32_t)regs->ebx, (uint32_t)regs->ecx,
    1.19 +                    (uint32_t)regs->edx, (uint32_t)regs->esi,
    1.20 +                    (uint32_t)regs->edi);
    1.21 +
    1.22          regs->eax = hvm_hypercall32_table[eax]((uint32_t)regs->ebx,
    1.23                                                 (uint32_t)regs->ecx,
    1.24                                                 (uint32_t)regs->edx,
    1.25 @@ -792,6 +800,8 @@ int hvm_do_hypercall(struct cpu_user_reg
    1.26                                                 (uint32_t)regs->edi);
    1.27      }
    1.28  
    1.29 +    HVM_DBG_LOG(DBG_LEVEL_HCALL, "hcall%u -> %lx", eax, (unsigned long)regs->eax);
    1.30 +
    1.31      return (this_cpu(hc_preempted) ? HVM_HCALL_preempted :
    1.32              flush ? HVM_HCALL_invalidate : HVM_HCALL_completed);
    1.33  }
    1.34 @@ -1054,6 +1064,10 @@ long do_hvm_op(unsigned long op, XEN_GUE
    1.35              rc = copy_to_guest(arg, &a, 1) ? -EFAULT : 0;
    1.36          }
    1.37  
    1.38 +        HVM_DBG_LOG(DBG_LEVEL_HCALL, "%s param %u = %"PRIx64,
    1.39 +                    op == HVMOP_set_param ? "set" : "get",
    1.40 +                    a.index, a.value);
    1.41 +
    1.42      param_fail:
    1.43          rcu_unlock_domain(d);
    1.44          break;

     2.1 --- a/xen/include/asm-x86/hvm/support.h	Tue May 15 10:43:18 2007 +0100
     2.2 +++ b/xen/include/asm-x86/hvm/support.h	Tue May 15 10:43:59 2007 +0100
     2.3 @@ -62,6 +62,7 @@ static inline vcpu_iodata_t *get_ioreq(s
     2.4  #define DBG_LEVEL_VLAPIC_TIMER      (1 << 7)
     2.5  #define DBG_LEVEL_VLAPIC_INTERRUPT  (1 << 8)
     2.6  #define DBG_LEVEL_IOAPIC            (1 << 9)
     2.7 +#define DBG_LEVEL_HCALL             (1 << 10)
     2.8  
     2.9  extern unsigned int opt_hvm_debug_level;
    2.10  #define HVM_DBG_LOG(level, _f, _a...)                                         \