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| author |   Sanjay Lal <sanjayl@kymasys.com> | 2012-11-21 18:34:02 -0800 |
|---|---|---|
| committer |   Ralf Baechle <ralf@linux-mips.org> | 2013-05-08 03:55:35 +0200 |
| commit | 669e846e6c4e13f16d7418973609931e362cb16a (patch) | |
| tree | 63d7990b50d4e56cfc0a5c84c28f36a43651a860 /arch/mips/kvm/trace.h | |
| parent | KVM/MIPS32: Entry point for trampolining to the guest and trap handlers. (diff) | |
| download | linux-dev-669e846e6c4e13f16d7418973609931e362cb16a.tar.xz linux-dev-669e846e6c4e13f16d7418973609931e362cb16a.zip | |
KVM/MIPS32: MIPS arch specific APIs for KVM
- Implements the arch specific APIs for KVM, some are stubs for MIPS
- kvm_mips_handle_exit(): Main 'C' distpatch routine for handling exceptions while in "Guest" mode.
- Also implements in-kernel timer interrupt support for the guest.
Signed-off-by: Sanjay Lal <sanjayl@kymasys.com>
Cc: kvm@vger.kernel.org
Cc: linux-mips@linux-mips.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kvm/trace.h')
| -rw-r--r-- | arch/mips/kvm/trace.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/mips/kvm/trace.h b/arch/mips/kvm/trace.h new file mode 100644 index 000000000000..bc9e0f406c08 --- /dev/null +++ b/arch/mips/kvm/trace.h @@ -0,0 +1,46 @@ +/* +* This file is subject to the terms and conditions of the GNU General Public +* License. See the file "COPYING" in the main directory of this archive +* for more details. +* +* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. +* Authors: Sanjay Lal <sanjayl@kymasys.com> +*/ + +#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_KVM_H + +#include <linux/tracepoint.h> + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM kvm +#define TRACE_INCLUDE_PATH . +#define TRACE_INCLUDE_FILE trace + +/* + * Tracepoints for VM eists + */ +extern char *kvm_mips_exit_types_str[MAX_KVM_MIPS_EXIT_TYPES]; + +TRACE_EVENT(kvm_exit, + TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason), + TP_ARGS(vcpu, reason), + TP_STRUCT__entry( + __field(struct kvm_vcpu *, vcpu) + __field(unsigned int, reason) + ), + + TP_fast_assign( + __entry->vcpu = vcpu; + __entry->reason = reason; + ), + + TP_printk("[%s]PC: 0x%08lx", + kvm_mips_exit_types_str[__entry->reason], + __entry->vcpu->arch.pc) +); + +#endif /* _TRACE_KVM_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |