drivers/dibs/dibs_loopback.h

Source file repositories/reference/linux-study-clean/drivers/dibs/dibs_loopback.h

File Facts

System
Linux kernel
Corpus path
drivers/dibs/dibs_loopback.h
Extension
.h
Size
1117 bytes
Lines
58
Domain
Driver Families
Bucket
drivers/dibs
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 dibs_lo_dmb_node {
	struct hlist_node list;
	u64 token;
	u32 len;
	u32 sba_idx;
	void *cpu_addr;
	dma_addr_t dma_addr;
	refcount_t refcnt;
};

struct dibs_lo_dev {
	struct dibs_dev *dibs;
	atomic_t dmb_cnt;
	rwlock_t dmb_ht_lock;
	DECLARE_BITMAP(sba_idx_mask, DIBS_LO_MAX_DMBS);
	DECLARE_HASHTABLE(dmb_ht, DIBS_LO_DMBS_HASH_BITS);
	wait_queue_head_t ldev_release;
};

int dibs_loopback_init(void);
void dibs_loopback_exit(void);
#else
static inline int dibs_loopback_init(void)
{
	return 0;
}

static inline void dibs_loopback_exit(void)
{
}
#endif

#endif /* _DIBS_LOOPBACK_H */

Annotation

Implementation Notes