drivers/infiniband/hw/usnic/usnic_vnic.h

Source file repositories/reference/linux-study-clean/drivers/infiniband/hw/usnic/usnic_vnic.h

File Facts

System
Linux kernel
Corpus path
drivers/infiniband/hw/usnic/usnic_vnic.h
Extension
.h
Size
4244 bytes
Lines
119
Domain
Driver Families
Bucket
drivers/infiniband
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 usnic_vnic_res {
	enum usnic_vnic_res_type	type;
	unsigned int			vnic_idx;
	struct usnic_vnic		*vnic;
	void __iomem			*ctrl;
	void				*owner;
};

struct usnic_vnic_res_chunk {
	enum usnic_vnic_res_type	type;
	int				cnt;
	int				free_cnt;
	struct usnic_vnic_res		**res;
	struct usnic_vnic		*vnic;
};

struct usnic_vnic_res_desc {
	enum usnic_vnic_res_type	type;
	uint16_t			cnt;
};

struct usnic_vnic_res_spec {
	struct usnic_vnic_res_desc resources[USNIC_VNIC_RES_TYPE_MAX];
};

const char *usnic_vnic_res_type_to_str(enum usnic_vnic_res_type res_type);
const char *usnic_vnic_pci_name(struct usnic_vnic *vnic);
int usnic_vnic_dump(struct usnic_vnic *vnic, char *buf, int buf_sz,
			void *hdr_obj,
			int (*printtitle)(void *, char*, int),
			int (*printcols)(char *, int),
			int (*printrow)(void *, char *, int));
void usnic_vnic_res_spec_update(struct usnic_vnic_res_spec *spec,
				enum usnic_vnic_res_type trgt_type,
				u16 cnt);
int usnic_vnic_res_spec_satisfied(const struct usnic_vnic_res_spec *min_spec,
					struct usnic_vnic_res_spec *res_spec);
int usnic_vnic_spec_dump(char *buf, int buf_sz,
				struct usnic_vnic_res_spec *res_spec);
int usnic_vnic_check_room(struct usnic_vnic *vnic,
				struct usnic_vnic_res_spec *res_spec);
int usnic_vnic_res_cnt(struct usnic_vnic *vnic,
				enum usnic_vnic_res_type type);
int usnic_vnic_res_free_cnt(struct usnic_vnic *vnic,
				enum usnic_vnic_res_type type);
struct usnic_vnic_res_chunk *
usnic_vnic_get_resources(struct usnic_vnic *vnic,
				enum usnic_vnic_res_type type,
				int cnt,
				void *owner);
void usnic_vnic_put_resources(struct usnic_vnic_res_chunk *chunk);
struct pci_dev *usnic_vnic_get_pdev(struct usnic_vnic *vnic);
struct vnic_dev_bar *usnic_vnic_get_bar(struct usnic_vnic *vnic,
				int bar_num);
struct usnic_vnic *usnic_vnic_alloc(struct pci_dev *pdev);
void usnic_vnic_free(struct usnic_vnic *vnic);
u16 usnic_vnic_get_index(struct usnic_vnic *vnic);

#endif /*!USNIC_VNIC_H_*/

Annotation

Implementation Notes