drivers/infiniband/sw/rdmavt/trace_cq.h
Source file repositories/reference/linux-study-clean/drivers/infiniband/sw/rdmavt/trace_cq.h
File Facts
- System
- Linux kernel
- Corpus path
drivers/infiniband/sw/rdmavt/trace_cq.h- Extension
.h- Size
- 3669 bytes
- Lines
- 125
- 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.
- 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.
- Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.
Dependency Surface
linux/tracepoint.hlinux/trace_seq.hrdma/ib_verbs.hrdma/rdmavt_cq.htrace/define_trace.h
Detected Declarations
function Copyright
Annotated Snippet
#if !defined(__RVT_TRACE_CQ_H) || defined(TRACE_HEADER_MULTI_READ)
#define __RVT_TRACE_CQ_H
#include <linux/tracepoint.h>
#include <linux/trace_seq.h>
#include <rdma/ib_verbs.h>
#include <rdma/rdmavt_cq.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM rvt_cq
#define wc_opcode_name(opcode) { IB_WC_##opcode, #opcode }
#define show_wc_opcode(opcode) \
__print_symbolic(opcode, \
wc_opcode_name(SEND), \
wc_opcode_name(RDMA_WRITE), \
wc_opcode_name(RDMA_READ), \
wc_opcode_name(COMP_SWAP), \
wc_opcode_name(FETCH_ADD), \
wc_opcode_name(LSO), \
wc_opcode_name(LOCAL_INV), \
wc_opcode_name(REG_MR), \
wc_opcode_name(MASKED_COMP_SWAP), \
wc_opcode_name(RECV), \
wc_opcode_name(RECV_RDMA_WITH_IMM))
#define CQ_ATTR_PRINT \
"[%s] user cq %s cqe %u comp_vector %d comp_vector_cpu %d flags %x"
DECLARE_EVENT_CLASS(rvt_cq_template,
TP_PROTO(struct rvt_cq *cq,
const struct ib_cq_init_attr *attr),
TP_ARGS(cq, attr),
TP_STRUCT__entry(RDI_DEV_ENTRY(cq->rdi)
__field(struct rvt_mmap_info *, ip)
__field(unsigned int, cqe)
__field(int, comp_vector)
__field(int, comp_vector_cpu)
__field(u32, flags)
),
TP_fast_assign(RDI_DEV_ASSIGN(cq->rdi);
__entry->ip = cq->ip;
__entry->cqe = attr->cqe;
__entry->comp_vector = attr->comp_vector;
__entry->comp_vector_cpu =
cq->comp_vector_cpu;
__entry->flags = attr->flags;
),
TP_printk(CQ_ATTR_PRINT, __get_str(dev),
__entry->ip ? "true" : "false", __entry->cqe,
__entry->comp_vector, __entry->comp_vector_cpu,
__entry->flags
)
);
DEFINE_EVENT(rvt_cq_template, rvt_create_cq,
TP_PROTO(struct rvt_cq *cq, const struct ib_cq_init_attr *attr),
TP_ARGS(cq, attr));
#define CQ_PRN \
"[%s] idx %u wr_id %llx status %u opcode %u,%s length %u qpn %x flags %x imm %x"
DECLARE_EVENT_CLASS(
rvt_cq_entry_template,
TP_PROTO(struct rvt_cq *cq, struct ib_wc *wc, u32 idx),
TP_ARGS(cq, wc, idx),
TP_STRUCT__entry(
RDI_DEV_ENTRY(cq->rdi)
__field(u64, wr_id)
__field(u32, status)
__field(u32, opcode)
__field(u32, qpn)
__field(u32, length)
__field(u32, idx)
__field(u32, flags)
__field(u32, imm)
),
TP_fast_assign(
RDI_DEV_ASSIGN(cq->rdi);
__entry->wr_id = wc->wr_id;
__entry->status = wc->status;
__entry->opcode = wc->opcode;
__entry->length = wc->byte_len;
__entry->qpn = wc->qp->qp_num;
__entry->idx = idx;
__entry->flags = wc->wc_flags;
__entry->imm = be32_to_cpu(wc->ex.imm_data);
),
TP_printk(
Annotation
- Immediate include surface: `linux/tracepoint.h`, `linux/trace_seq.h`, `rdma/ib_verbs.h`, `rdma/rdmavt_cq.h`, `trace/define_trace.h`.
- Detected declarations: `function Copyright`.
- Atlas domain: Driver Families / drivers/infiniband.
- Implementation status: source implementation candidate.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.