drivers/infiniband/sw/rdmavt/trace_mr.h

Source file repositories/reference/linux-study-clean/drivers/infiniband/sw/rdmavt/trace_mr.h

File Facts

System
Linux kernel
Corpus path
drivers/infiniband/sw/rdmavt/trace_mr.h
Extension
.h
Size
4626 bytes
Lines
183
Domain
Driver Families
Bucket
drivers/infiniband
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#if !defined(__RVT_TRACE_MR_H) || defined(TRACE_HEADER_MULTI_READ)
#define __RVT_TRACE_MR_H

#include <linux/tracepoint.h>
#include <linux/trace_seq.h>

#include <rdma/ib_verbs.h>
#include <rdma/rdma_vt.h>
#include <rdma/rdmavt_mr.h>

#include "mr.h"

#undef TRACE_SYSTEM
#define TRACE_SYSTEM rvt_mr
DECLARE_EVENT_CLASS(
	rvt_mr_template,
	TP_PROTO(struct rvt_mregion *mr, u16 m, u16 n, void *v, size_t len),
	TP_ARGS(mr, m, n, v, len),
	TP_STRUCT__entry(
		RDI_DEV_ENTRY(ib_to_rvt(mr->pd->device))
		__field(void *, vaddr)
		__field(struct page *, page)
		__field(u64, iova)
		__field(u64, user_base)
		__field(size_t, len)
		__field(size_t, length)
		__field(u32, lkey)
		__field(u32, offset)
		__field(u16, m)
		__field(u16, n)
	),
	TP_fast_assign(
		RDI_DEV_ASSIGN(ib_to_rvt(mr->pd->device));
		__entry->vaddr = v;
		__entry->page = virt_to_page(v);
		__entry->iova = mr->iova;
		__entry->user_base = mr->user_base;
		__entry->lkey = mr->lkey;
		__entry->m = m;
		__entry->n = n;
		__entry->len = len;
		__entry->length = mr->length;
		__entry->offset = mr->offset;
	),
	TP_printk(
		"[%s] lkey %x iova %llx user_base %llx mr_len %lu vaddr %llx page %p m %u n %u len %lu off %u",
		__get_str(dev),
		__entry->lkey,
		__entry->iova,
		__entry->user_base,
		__entry->length,
		(unsigned long long)__entry->vaddr,
		__entry->page,
		__entry->m,
		__entry->n,
		__entry->len,
		__entry->offset
	)
);

DEFINE_EVENT(
	rvt_mr_template, rvt_mr_page_seg,
	TP_PROTO(struct rvt_mregion *mr, u16 m, u16 n, void *v, size_t len),
	TP_ARGS(mr, m, n, v, len));

DEFINE_EVENT(
	rvt_mr_template, rvt_mr_fmr_seg,
	TP_PROTO(struct rvt_mregion *mr, u16 m, u16 n, void *v, size_t len),
	TP_ARGS(mr, m, n, v, len));

DEFINE_EVENT(
	rvt_mr_template, rvt_mr_user_seg,
	TP_PROTO(struct rvt_mregion *mr, u16 m, u16 n, void *v, size_t len),
	TP_ARGS(mr, m, n, v, len));

DECLARE_EVENT_CLASS(
	rvt_sge_template,
	TP_PROTO(struct rvt_sge *sge, struct ib_sge *isge),
	TP_ARGS(sge, isge),
	TP_STRUCT__entry(
		RDI_DEV_ENTRY(ib_to_rvt(sge->mr->pd->device))
		__field(struct rvt_mregion *, mr)
		__field(struct rvt_sge *, sge)
		__field(struct ib_sge *, isge)
		__field(void *, vaddr)
		__field(u64, ivaddr)
		__field(u32, lkey)
		__field(u32, sge_length)
		__field(u32, length)
		__field(u32, ilength)

Annotation

Implementation Notes