drivers/net/fjes/fjes_trace.h

Source file repositories/reference/linux-study-clean/drivers/net/fjes/fjes_trace.h

File Facts

System
Linux kernel
Corpus path
drivers/net/fjes/fjes_trace.h
Extension
.h
Size
10206 bytes
Lines
366
Domain
Driver Families
Bucket
drivers/net
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(FJES_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
#define FJES_TRACE_H_

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

#undef TRACE_SYSTEM
#define TRACE_SYSTEM fjes

/* tracepoints for fjes_hw.c */

TRACE_EVENT(fjes_hw_issue_request_command,
	TP_PROTO(union REG_CR *cr, union REG_CS *cs, int timeout,
		 enum fjes_dev_command_response_e ret),
	TP_ARGS(cr, cs, timeout, ret),
	TP_STRUCT__entry(
		__field(u16, cr_req)
		__field(u8, cr_error)
		__field(u16, cr_err_info)
		__field(u8, cr_req_start)
		__field(u16, cs_req)
		__field(u8, cs_busy)
		__field(u8, cs_complete)
		__field(int, timeout)
		__field(int, ret)
	),
	TP_fast_assign(
		__entry->cr_req = cr->bits.req_code;
		__entry->cr_error = cr->bits.error;
		__entry->cr_err_info = cr->bits.err_info;
		__entry->cr_req_start = cr->bits.req_start;
		__entry->cs_req = cs->bits.req_code;
		__entry->cs_busy = cs->bits.busy;
		__entry->cs_complete = cs->bits.complete;
		__entry->timeout = timeout;
		__entry->ret = ret;
	),
	TP_printk("CR=[req=%04x, error=%u, err_info=%04x, req_start=%u], CS=[req=%04x, busy=%u, complete=%u], timeout=%d, ret=%d",
		  __entry->cr_req, __entry->cr_error, __entry->cr_err_info,
		  __entry->cr_req_start, __entry->cs_req, __entry->cs_busy,
		  __entry->cs_complete, __entry->timeout, __entry->ret)
);

TRACE_EVENT(fjes_hw_request_info,
	TP_PROTO(struct fjes_hw *hw, union fjes_device_command_res *res_buf),
	TP_ARGS(hw, res_buf),
	TP_STRUCT__entry(
		__field(int, length)
		__field(int, code)
		__dynamic_array(u8, zone, hw->max_epid)
		__dynamic_array(u8, status, hw->max_epid)
	),
	TP_fast_assign(
		int x;

		__entry->length = res_buf->info.length;
		__entry->code = res_buf->info.code;
		for (x = 0; x < hw->max_epid; x++) {
			*((u8 *)__get_dynamic_array(zone) + x) =
					res_buf->info.info[x].zone;
			*((u8 *)__get_dynamic_array(status) + x) =
					res_buf->info.info[x].es_status;
		}
	),
	TP_printk("res_buf=[length=%d, code=%d, es_zones=%s, es_status=%s]",
		  __entry->length, __entry->code,
		  __print_array(__get_dynamic_array(zone),
				__get_dynamic_array_len(zone) / sizeof(u8),
				sizeof(u8)),
		  __print_array(__get_dynamic_array(status),
				__get_dynamic_array_len(status) / sizeof(u8),
				sizeof(u8)))
);

TRACE_EVENT(fjes_hw_request_info_err,
	TP_PROTO(char *err),
	TP_ARGS(err),
	TP_STRUCT__entry(
		__string(err, err)
	),
	TP_fast_assign(
		__assign_str(err);
	),
	TP_printk("%s", __get_str(err))
);

TRACE_EVENT(fjes_hw_register_buff_addr_req,
	TP_PROTO(union fjes_device_command_req *req_buf,
		 struct ep_share_mem_info *buf_pair),
	TP_ARGS(req_buf, buf_pair),

Annotation

Implementation Notes