drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
Extension
.c
Size
109616 bytes
Lines
3894
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

static const struct file_operations cim_la_fops = {
	.owner   = THIS_MODULE,
	.open    = cim_la_open,
	.read    = seq_read,
	.llseek  = seq_lseek,
	.release = seq_release_private
};

static int cim_pif_la_show(struct seq_file *seq, void *v, int idx)
{
	const u32 *p = v;

	if (v == SEQ_START_TOKEN) {
		seq_puts(seq, "Cntl ID DataBE   Addr                 Data\n");
	} else if (idx < CIM_PIFLA_SIZE) {
		seq_printf(seq, " %02x  %02x  %04x  %08x %08x%08x%08x%08x\n",
			   (p[5] >> 22) & 0xff, (p[5] >> 16) & 0x3f,
			   p[5] & 0xffff, p[4], p[3], p[2], p[1], p[0]);
	} else {
		if (idx == CIM_PIFLA_SIZE)
			seq_puts(seq, "\nCntl ID               Data\n");
		seq_printf(seq, " %02x  %02x %08x%08x%08x%08x\n",
			   (p[4] >> 6) & 0xff, p[4] & 0x3f,
			   p[3], p[2], p[1], p[0]);
	}
	return 0;
}

static int cim_pif_la_open(struct inode *inode, struct file *file)
{
	struct seq_tab *p;
	struct adapter *adap = inode->i_private;

	p = seq_open_tab(file, 2 * CIM_PIFLA_SIZE, 6 * sizeof(u32), 1,
			 cim_pif_la_show);
	if (!p)
		return -ENOMEM;

	t4_cim_read_pif_la(adap, (u32 *)p->data,
			   (u32 *)p->data + 6 * CIM_PIFLA_SIZE, NULL, NULL);
	return 0;
}

static const struct file_operations cim_pif_la_fops = {
	.owner   = THIS_MODULE,
	.open    = cim_pif_la_open,
	.read    = seq_read,
	.llseek  = seq_lseek,
	.release = seq_release_private
};

static int cim_ma_la_show(struct seq_file *seq, void *v, int idx)
{
	const u32 *p = v;

	if (v == SEQ_START_TOKEN) {
		seq_puts(seq, "\n");
	} else if (idx < CIM_MALA_SIZE) {
		seq_printf(seq, "%02x%08x%08x%08x%08x\n",
			   p[4], p[3], p[2], p[1], p[0]);
	} else {
		if (idx == CIM_MALA_SIZE)
			seq_puts(seq,
				 "\nCnt ID Tag UE       Data       RDY VLD\n");
		seq_printf(seq, "%3u %2u  %x   %u %08x%08x  %u   %u\n",
			   (p[2] >> 10) & 0xff, (p[2] >> 7) & 7,
			   (p[2] >> 3) & 0xf, (p[2] >> 2) & 1,
			   (p[1] >> 2) | ((p[2] & 3) << 30),
			   (p[0] >> 2) | ((p[1] & 3) << 30), (p[0] >> 1) & 1,
			   p[0] & 1);
	}
	return 0;
}

static int cim_ma_la_open(struct inode *inode, struct file *file)
{
	struct seq_tab *p;
	struct adapter *adap = inode->i_private;

	p = seq_open_tab(file, 2 * CIM_MALA_SIZE, 5 * sizeof(u32), 1,
			 cim_ma_la_show);
	if (!p)
		return -ENOMEM;

	t4_cim_read_ma_la(adap, (u32 *)p->data,
			  (u32 *)p->data + 5 * CIM_MALA_SIZE);
	return 0;
}

static const struct file_operations cim_ma_la_fops = {

Annotation

Implementation Notes