drivers/infiniband/hw/hfi1/trace_ctxts.h

Source file repositories/reference/linux-study-clean/drivers/infiniband/hw/hfi1/trace_ctxts.h

File Facts

System
Linux kernel
Corpus path
drivers/infiniband/hw/hfi1/trace_ctxts.h
Extension
.h
Size
3668 bytes
Lines
116
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(__HFI1_TRACE_CTXTS_H) || defined(TRACE_HEADER_MULTI_READ)
#define __HFI1_TRACE_CTXTS_H

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

#include "hfi.h"

#undef TRACE_SYSTEM
#define TRACE_SYSTEM hfi1_ctxts

#define UCTXT_FMT \
	"cred:%u, credaddr:0x%llx, piobase:0x%p, rcvhdr_cnt:%u, "	\
	"rcvbase:0x%llx, rcvegrc:%u, rcvegrb:0x%llx, subctxt_cnt:%u"
TRACE_EVENT(hfi1_uctxtdata,
	    TP_PROTO(struct hfi1_devdata *dd, struct hfi1_ctxtdata *uctxt,
		     unsigned int subctxt),
	    TP_ARGS(dd, uctxt, subctxt),
	    TP_STRUCT__entry(DD_DEV_ENTRY(dd)
			     __field(unsigned int, ctxt)
			     __field(unsigned int, subctxt)
			     __field(u32, credits)
			     __field(u64, hw_free)
			     __field(void __iomem *, piobase)
			     __field(u16, rcvhdrq_cnt)
			     __field(u64, rcvhdrq_dma)
			     __field(u32, eager_cnt)
			     __field(u64, rcvegr_dma)
			     __field(unsigned int, subctxt_cnt)
			     ),
	    TP_fast_assign(DD_DEV_ASSIGN(dd);
			   __entry->ctxt = uctxt->ctxt;
			   __entry->subctxt = subctxt;
			   __entry->credits = uctxt->sc->credits;
			   __entry->hw_free = le64_to_cpu(*uctxt->sc->hw_free);
			   __entry->piobase = uctxt->sc->base_addr;
			   __entry->rcvhdrq_cnt = get_hdrq_cnt(uctxt);
			   __entry->rcvhdrq_dma = uctxt->rcvhdrq_dma;
			   __entry->eager_cnt = uctxt->egrbufs.alloced;
			   __entry->rcvegr_dma = uctxt->egrbufs.rcvtids[0].dma;
			   __entry->subctxt_cnt = uctxt->subctxt_cnt;
			   ),
	    TP_printk("[%s] ctxt %u:%u " UCTXT_FMT,
		      __get_str(dev),
		      __entry->ctxt,
		      __entry->subctxt,
		      __entry->credits,
		      __entry->hw_free,
		      __entry->piobase,
		      __entry->rcvhdrq_cnt,
		      __entry->rcvhdrq_dma,
		      __entry->eager_cnt,
		      __entry->rcvegr_dma,
		      __entry->subctxt_cnt
		      )
);

#define CINFO_FMT \
	"egrtids:%u, egr_size:%u, hdrq_cnt:%u, hdrq_size:%u, sdma_ring_size:%u"
TRACE_EVENT(hfi1_ctxt_info,
	    TP_PROTO(struct hfi1_devdata *dd, unsigned int ctxt,
		     unsigned int subctxt,
		     struct hfi1_ctxt_info *cinfo),
	    TP_ARGS(dd, ctxt, subctxt, cinfo),
	    TP_STRUCT__entry(DD_DEV_ENTRY(dd)
			     __field(unsigned int, ctxt)
			     __field(unsigned int, subctxt)
			     __field(u16, egrtids)
			     __field(u16, rcvhdrq_cnt)
			     __field(u16, rcvhdrq_size)
			     __field(u16, sdma_ring_size)
			     __field(u32, rcvegr_size)
			     ),
	    TP_fast_assign(DD_DEV_ASSIGN(dd);
			    __entry->ctxt = ctxt;
			    __entry->subctxt = subctxt;
			    __entry->egrtids = cinfo->egrtids;
			    __entry->rcvhdrq_cnt = cinfo->rcvhdrq_cnt;
			    __entry->rcvhdrq_size = cinfo->rcvhdrq_entsize;
			    __entry->sdma_ring_size = cinfo->sdma_ring_size;
			    __entry->rcvegr_size = cinfo->rcvegr_size;
			    ),
	    TP_printk("[%s] ctxt %u:%u " CINFO_FMT,
		      __get_str(dev),
		      __entry->ctxt,
		      __entry->subctxt,
		      __entry->egrtids,
		      __entry->rcvegr_size,
		      __entry->rcvhdrq_cnt,
		      __entry->rcvhdrq_size,

Annotation

Implementation Notes