diff options
| -rw-r--r-- | xen/arch/x86/hvm/hvm.c | 14 | ||||
| -rw-r--r-- | xen/include/asm-x86/hvm/support.h | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c index 0f042ea4f8..9a21352543 100644 --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -776,6 +776,9 @@ int hvm_do_hypercall(struct cpu_user_regs *regs) #ifdef __x86_64__ if ( mode == 8 ) { + HVM_DBG_LOG(DBG_LEVEL_HCALL, "hcall%u(%lx, %lx, %lx, %lx, %lx)", eax, + regs->rdi, regs->rsi, regs->rdx, regs->r10, regs->r8); + regs->rax = hvm_hypercall64_table[eax](regs->rdi, regs->rsi, regs->rdx, @@ -785,6 +788,11 @@ int hvm_do_hypercall(struct cpu_user_regs *regs) else #endif { + HVM_DBG_LOG(DBG_LEVEL_HCALL, "hcall%u(%x, %x, %x, %x, %x)", eax, + (uint32_t)regs->ebx, (uint32_t)regs->ecx, + (uint32_t)regs->edx, (uint32_t)regs->esi, + (uint32_t)regs->edi); + regs->eax = hvm_hypercall32_table[eax]((uint32_t)regs->ebx, (uint32_t)regs->ecx, (uint32_t)regs->edx, @@ -792,6 +800,8 @@ int hvm_do_hypercall(struct cpu_user_regs *regs) (uint32_t)regs->edi); } + HVM_DBG_LOG(DBG_LEVEL_HCALL, "hcall%u -> %lx", eax, (unsigned long)regs->eax); + return (this_cpu(hc_preempted) ? HVM_HCALL_preempted : flush ? HVM_HCALL_invalidate : HVM_HCALL_completed); } @@ -1054,6 +1064,10 @@ long do_hvm_op(unsigned long op, XEN_GUEST_HANDLE(void) arg) rc = copy_to_guest(arg, &a, 1) ? -EFAULT : 0; } + HVM_DBG_LOG(DBG_LEVEL_HCALL, "%s param %u = %"PRIx64, + op == HVMOP_set_param ? "set" : "get", + a.index, a.value); + param_fail: rcu_unlock_domain(d); break; diff --git a/xen/include/asm-x86/hvm/support.h b/xen/include/asm-x86/hvm/support.h index efbc2b39b0..74d923cb10 100644 --- a/xen/include/asm-x86/hvm/support.h +++ b/xen/include/asm-x86/hvm/support.h @@ -62,6 +62,7 @@ static inline vcpu_iodata_t *get_ioreq(struct vcpu *v) #define DBG_LEVEL_VLAPIC_TIMER (1 << 7) #define DBG_LEVEL_VLAPIC_INTERRUPT (1 << 8) #define DBG_LEVEL_IOAPIC (1 << 9) +#define DBG_LEVEL_HCALL (1 << 10) extern unsigned int opt_hvm_debug_level; #define HVM_DBG_LOG(level, _f, _a...) \ |