Files
android_kernel_xiaomi_sm8450/include/trace/hooks/iommu.h
Guangming Cao dccb021dc4 ANDROID: iommu: Add vendor hook to tracing iova alloc & free in iova_domain
Add struct (iova_domain *) in iova alloc & free vendor hook by create a new vendor hook.
Thus we can know the iova we are operating belongs to which iova domain.

Bug: 201255968

Change-Id: I7df419650af2e85a3b2b8c3d6995247694bdc953
Signed-off-by: Chao Hao <chao.hao@mediatek.com>
Signed-off-by: Guangming Cao <Guangming.Cao@mediatek.com>
2021-10-09 10:07:26 +08:00

42 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM iommu
#define TRACE_INCLUDE_PATH trace/hooks
#if !defined(_TRACE_HOOK_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_HOOK_IOMMU_H
#include <linux/types.h>
#include <linux/tracepoint.h>
#include <trace/hooks/vendor_hooks.h>
DECLARE_HOOK(android_vh_iommu_setup_dma_ops,
TP_PROTO(struct device *dev, u64 dma_base, u64 size),
TP_ARGS(dev, dma_base, size));
DECLARE_HOOK(android_vh_iommu_alloc_iova,
TP_PROTO(struct device *dev, dma_addr_t iova, size_t size),
TP_ARGS(dev, iova, size));
struct iova_domain;
DECLARE_HOOK(android_vh_iommu_iovad_alloc_iova,
TP_PROTO(struct device *dev, struct iova_domain *iovad, dma_addr_t iova, size_t size),
TP_ARGS(dev, iovad, iova, size));
DECLARE_HOOK(android_vh_iommu_free_iova,
TP_PROTO(dma_addr_t iova, size_t size),
TP_ARGS(iova, size));
DECLARE_HOOK(android_vh_iommu_iovad_free_iova,
TP_PROTO(struct iova_domain *iovad, dma_addr_t iova, size_t size),
TP_ARGS(iovad, iova, size));
#endif /* _TRACE_HOOK_IOMMU_H */
/* This part must be outside protection */
#include <trace/define_trace.h>