drivers/scsi/fnic/fnic_stats.h

Source file repositories/reference/linux-study-clean/drivers/scsi/fnic/fnic_stats.h

File Facts

System
Linux kernel
Corpus path
drivers/scsi/fnic/fnic_stats.h
Extension
.h
Size
4797 bytes
Lines
176
Domain
Driver Families
Bucket
drivers/scsi
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

struct stats_timestamps {
	struct timespec64 last_reset_time;
	struct timespec64 last_read_time;
};

struct io_path_stats {
	atomic64_t active_ios;
	atomic64_t max_active_ios;
	atomic64_t io_completions;
	atomic64_t io_failures;
	atomic64_t ioreq_null;
	atomic64_t alloc_failures;
	atomic64_t sc_null;
	atomic64_t io_not_found;
	atomic64_t num_ios;
	atomic64_t io_btw_0_to_10_msec;
	atomic64_t io_btw_10_to_100_msec;
	atomic64_t io_btw_100_to_500_msec;
	atomic64_t io_btw_500_to_5000_msec;
	atomic64_t io_btw_5000_to_10000_msec;
	atomic64_t io_btw_10000_to_30000_msec;
	atomic64_t io_greater_than_30000_msec;
	atomic64_t current_max_io_time;
	atomic64_t ios[FNIC_MQ_MAX_QUEUES];
};

struct abort_stats {
	atomic64_t aborts;
	atomic64_t abort_failures;
	atomic64_t abort_drv_timeouts;
	atomic64_t abort_fw_timeouts;
	atomic64_t abort_io_not_found;
	atomic64_t abort_issued_btw_0_to_6_sec;
	atomic64_t abort_issued_btw_6_to_20_sec;
	atomic64_t abort_issued_btw_20_to_30_sec;
	atomic64_t abort_issued_btw_30_to_40_sec;
	atomic64_t abort_issued_btw_40_to_50_sec;
	atomic64_t abort_issued_btw_50_to_60_sec;
	atomic64_t abort_issued_greater_than_60_sec;
};

struct terminate_stats {
	atomic64_t terminates;
	atomic64_t max_terminates;
	atomic64_t terminate_drv_timeouts;
	atomic64_t terminate_fw_timeouts;
	atomic64_t terminate_io_not_found;
	atomic64_t terminate_failures;
};

struct reset_stats {
	atomic64_t device_resets;
	atomic64_t device_reset_failures;
	atomic64_t device_reset_aborts;
	atomic64_t device_reset_timeouts;
	atomic64_t device_reset_terminates;
	atomic64_t fw_resets;
	atomic64_t fw_reset_completions;
	atomic64_t fw_reset_failures;
	atomic64_t fw_reset_timeouts;
	atomic64_t fnic_resets;
	atomic64_t fnic_reset_completions;
	atomic64_t fnic_reset_failures;
};

struct fw_stats {
	atomic64_t active_fw_reqs;
	atomic64_t max_fw_reqs;
	atomic64_t fw_out_of_resources;
	atomic64_t io_fw_errs;
};

struct vlan_stats {
	atomic64_t vlan_disc_reqs;
	atomic64_t resp_withno_vlanID;
	atomic64_t sol_expiry_count;
	atomic64_t flogi_rejects;
};

struct misc_stats {
	u64 last_isr_time;
	u64 last_ack_time;
	atomic64_t max_isr_jiffies;
	atomic64_t max_isr_time_ms;
	atomic64_t corr_work_done;
	atomic64_t isr_count;
	atomic64_t max_cq_entries;
	atomic64_t ack_index_out_of_range;
	atomic64_t data_count_mismatch;
	atomic64_t fcpio_timeout;

Annotation

Implementation Notes