| /* |
| * iommu trace points |
| * |
| * Copyright (C) 2013 Shuah Khan <shuah.kh@samsung.com> |
| * |
| */ |
| #undef TRACE_SYSTEM |
| #define TRACE_SYSTEM iommu |
| |
| #if !defined(_TRACE_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ) |
| #define _TRACE_IOMMU_H |
| |
| #include <linux/tracepoint.h> |
| #include <linux/pci.h> |
| |
| struct device; |
| |
| DECLARE_EVENT_CLASS(iommu_group_event, |
| |
| TP_PROTO(int group_id, struct device *dev), |
| |
| TP_ARGS(group_id, dev), |
| |
| TP_STRUCT__entry( |
| __field(int, gid) |
| __string(device, dev_name(dev)) |
| ), |
| |
| TP_fast_assign( |
| __entry->gid = group_id; |
| __assign_str(device, dev_name(dev)); |
| ), |
| |
| TP_printk("IOMMU: groupID=%d device=%s", |
| __entry->gid, __get_str(device) |
| ) |
| ); |
| |
| DEFINE_EVENT(iommu_group_event, add_device_to_group, |
| |
| TP_PROTO(int group_id, struct device *dev), |
| |
| TP_ARGS(group_id, dev) |
| |
| ); |
| |
| DEFINE_EVENT(iommu_group_event, remove_device_from_group, |
| |
| TP_PROTO(int group_id, struct device *dev), |
| |
| TP_ARGS(group_id, dev) |
| ); |
| |
| DECLARE_EVENT_CLASS(iommu_device_event, |
| |
| TP_PROTO(struct device *dev), |
| |
| TP_ARGS(dev), |
| |
| TP_STRUCT__entry( |
| __string(device, dev_name(dev)) |
| ), |
| |
| TP_fast_assign( |
| __assign_str(device, dev_name(dev)); |
| ), |
| |
| TP_printk("IOMMU: device=%s", __get_str(device) |
| ) |
| ); |
| |
| DEFINE_EVENT(iommu_device_event, attach_device_to_domain, |
| |
| TP_PROTO(struct device *dev), |
| |
| TP_ARGS(dev) |
| ); |
| |
| DEFINE_EVENT(iommu_device_event, detach_device_from_domain, |
| |
| TP_PROTO(struct device *dev), |
| |
| TP_ARGS(dev) |
| ); |
| |
| TRACE_EVENT(map, |
| |
| TP_PROTO(unsigned long iova, phys_addr_t paddr, size_t size), |
| |
| TP_ARGS(iova, paddr, size), |
| |
| TP_STRUCT__entry( |
| __field(u64, iova) |
| __field(u64, paddr) |
| __field(size_t, size) |
| ), |
| |
| TP_fast_assign( |
| __entry->iova = iova; |
| __entry->paddr = paddr; |
| __entry->size = size; |
| ), |
| |
| TP_printk("IOMMU: iova=0x%016llx paddr=0x%016llx size=%zu", |
| __entry->iova, __entry->paddr, __entry->size |
| ) |
| ); |
| |
| TRACE_EVENT(unmap, |
| |
| TP_PROTO(unsigned long iova, size_t size, size_t unmapped_size), |
| |
| TP_ARGS(iova, size, unmapped_size), |
| |
| TP_STRUCT__entry( |
| __field(u64, iova) |
| __field(size_t, size) |
| __field(size_t, unmapped_size) |
| ), |
| |
| TP_fast_assign( |
| __entry->iova = iova; |
| __entry->size = size; |
| __entry->unmapped_size = unmapped_size; |
| ), |
| |
| TP_printk("IOMMU: iova=0x%016llx size=%zu unmapped_size=%zu", |
| __entry->iova, __entry->size, __entry->unmapped_size |
| ) |
| ); |
| |
| DECLARE_EVENT_CLASS(iommu_error, |
| |
| TP_PROTO(struct device *dev, unsigned long iova, int flags), |
| |
| TP_ARGS(dev, iova, flags), |
| |
| TP_STRUCT__entry( |
| __string(device, dev_name(dev)) |
| __string(driver, dev_driver_string(dev)) |
| __field(u64, iova) |
| __field(int, flags) |
| ), |
| |
| TP_fast_assign( |
| __assign_str(device, dev_name(dev)); |
| __assign_str(driver, dev_driver_string(dev)); |
| __entry->iova = iova; |
| __entry->flags = flags; |
| ), |
| |
| TP_printk("IOMMU:%s %s iova=0x%016llx flags=0x%04x", |
| __get_str(driver), __get_str(device), |
| __entry->iova, __entry->flags |
| ) |
| ); |
| |
| DEFINE_EVENT(iommu_error, io_page_fault, |
| |
| TP_PROTO(struct device *dev, unsigned long iova, int flags), |
| |
| TP_ARGS(dev, iova, flags) |
| ); |
| |
| DECLARE_EVENT_CLASS(iommu_errata_tlbi, |
| |
| TP_PROTO(struct device *dev, u64 time), |
| |
| TP_ARGS(dev, time), |
| |
| TP_STRUCT__entry( |
| __string(device, dev_name(dev)) |
| __field(u64, time) |
| ), |
| |
| TP_fast_assign( |
| __assign_str(device, dev_name(dev)); |
| __entry->time = time; |
| ), |
| |
| TP_printk("IOMMU:%s %lld us", |
| __get_str(device), __entry->time |
| ) |
| ); |
| |
| DEFINE_EVENT(iommu_errata_tlbi, errata_tlbi_start, |
| |
| TP_PROTO(struct device *dev, u64 time), |
| |
| TP_ARGS(dev, time) |
| ); |
| |
| DEFINE_EVENT(iommu_errata_tlbi, errata_tlbi_end, |
| |
| TP_PROTO(struct device *dev, u64 time), |
| |
| TP_ARGS(dev, time) |
| ); |
| |
| DEFINE_EVENT(iommu_errata_tlbi, errata_throttle_start, |
| |
| TP_PROTO(struct device *dev, u64 time), |
| |
| TP_ARGS(dev, time) |
| ); |
| |
| DEFINE_EVENT(iommu_errata_tlbi, errata_throttle_end, |
| |
| TP_PROTO(struct device *dev, u64 time), |
| |
| TP_ARGS(dev, time) |
| ); |
| |
| DEFINE_EVENT(iommu_errata_tlbi, errata_failed, |
| |
| TP_PROTO(struct device *dev, u64 time), |
| |
| TP_ARGS(dev, time) |
| ); |
| #endif /* _TRACE_IOMMU_H */ |
| |
| /* This part must be outside protection */ |
| #include <trace/define_trace.h> |