drivers/net/ethernet/qualcomm/qca_spi.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/qualcomm/qca_spi.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/qualcomm/qca_spi.h
Extension
.h
Size
1812 bytes
Lines
97
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

struct tx_ring {
	struct sk_buff *skb[QCASPI_TX_RING_MAX_LEN];
	u16 head;
	u16 tail;
	u16 size;
	u16 count;
};

struct qcaspi_stats {
	u64 trig_reset;
	u64 device_reset;
	u64 reset_timeout;
	u64 read_err;
	u64 write_err;
	u64 read_buf_err;
	u64 write_buf_err;
	u64 out_of_mem;
	u64 write_buf_miss;
	u64 ring_full;
	u64 spi_err;
	u64 write_verify_failed;
	u64 buf_avail_err;
	u64 bad_signature;
};

struct qcaspi {
	struct net_device *net_dev;
	struct spi_device *spi_dev;
	struct task_struct *spi_thread;

	struct tx_ring txr;
	struct qcaspi_stats stats;

	u8 *rx_buffer;
	u32 buffer_size;
	u8 sync;

	struct qcafrm_handle frm_handle;
	struct sk_buff *rx_skb;

	unsigned long flags;
	u16 reset_count;

#ifdef CONFIG_DEBUG_FS
	struct dentry *device_root;
#endif

	/* user configurable options */
	u8 legacy_mode;
	u16 burst_len;
};

#endif /* _QCA_SPI_H */

Annotation

Implementation Notes