drivers/net/wireless/marvell/libertas/debugfs.c

Source file repositories/reference/linux-study-clean/drivers/net/wireless/marvell/libertas/debugfs.c

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/marvell/libertas/debugfs.c
Extension
.c
Size
21657 bytes
Lines
932
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: operation-table or driver-model contract
Status
pattern 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 file_operations fops;
};

static const struct lbs_debugfs_files debugfs_files[] = {
	{ "info", 0444, FOPS(lbs_dev_info, write_file_dummy), },
	{ "sleepparams", 0644, FOPS(lbs_sleepparams_read,
				lbs_sleepparams_write), },
	{ "hostsleep", 0644, FOPS(lbs_host_sleep_read,
				lbs_host_sleep_write), },
};

static const struct lbs_debugfs_files debugfs_events_files[] = {
	{"low_rssi", 0644, FOPS(lbs_lowrssi_read,
				lbs_lowrssi_write), },
	{"low_snr", 0644, FOPS(lbs_lowsnr_read,
				lbs_lowsnr_write), },
	{"failure_count", 0644, FOPS(lbs_failcount_read,
				lbs_failcount_write), },
	{"beacon_missed", 0644, FOPS(lbs_bcnmiss_read,
				lbs_bcnmiss_write), },
	{"high_rssi", 0644, FOPS(lbs_highrssi_read,
				lbs_highrssi_write), },
	{"high_snr", 0644, FOPS(lbs_highsnr_read,
				lbs_highsnr_write), },
};

static const struct lbs_debugfs_files debugfs_regs_files[] = {
	{"rdmac", 0644, FOPS(lbs_rdmac_read, lbs_rdmac_write), },
	{"wrmac", 0600, FOPS(NULL, lbs_wrmac_write), },
	{"rdbbp", 0644, FOPS(lbs_rdbbp_read, lbs_rdbbp_write), },
	{"wrbbp", 0600, FOPS(NULL, lbs_wrbbp_write), },
	{"rdrf", 0644, FOPS(lbs_rdrf_read, lbs_rdrf_write), },
	{"wrrf", 0600, FOPS(NULL, lbs_wrrf_write), },
};

void lbs_debugfs_init(void)
{
	if (!lbs_dir)
		lbs_dir = debugfs_create_dir("lbs_wireless", NULL);
}

void lbs_debugfs_remove(void)
{
	debugfs_remove(lbs_dir);
}

void lbs_debugfs_init_one(struct lbs_private *priv, struct net_device *dev)
{
	int i;
	const struct lbs_debugfs_files *files;
	if (!lbs_dir)
		goto exit;

	priv->debugfs_dir = debugfs_create_dir(dev->name, lbs_dir);

	for (i=0; i<ARRAY_SIZE(debugfs_files); i++) {
		files = &debugfs_files[i];
		priv->debugfs_files[i] = debugfs_create_file(files->name,
							     files->perm,
							     priv->debugfs_dir,
							     priv,
							     &files->fops);
	}

	priv->events_dir = debugfs_create_dir("subscribed_events", priv->debugfs_dir);

	for (i=0; i<ARRAY_SIZE(debugfs_events_files); i++) {
		files = &debugfs_events_files[i];
		priv->debugfs_events_files[i] = debugfs_create_file(files->name,
							     files->perm,
							     priv->events_dir,
							     priv,
							     &files->fops);
	}

	priv->regs_dir = debugfs_create_dir("registers", priv->debugfs_dir);

	for (i=0; i<ARRAY_SIZE(debugfs_regs_files); i++) {
		files = &debugfs_regs_files[i];
		priv->debugfs_regs_files[i] = debugfs_create_file(files->name,
							     files->perm,
							     priv->regs_dir,
							     priv,
							     &files->fops);
	}

#ifdef PROC_DEBUG
	lbs_debug_init(priv);
#endif
exit:

Annotation

Implementation Notes