drivers/infiniband/hw/ocrdma/ocrdma_hw.h

Source file repositories/reference/linux-study-clean/drivers/infiniband/hw/ocrdma/ocrdma_hw.h

File Facts

System
Linux kernel
Corpus path
drivers/infiniband/hw/ocrdma/ocrdma_hw.h
Extension
.h
Size
5864 bytes
Lines
160
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

#ifndef __OCRDMA_HW_H__
#define __OCRDMA_HW_H__

#include "ocrdma_sli.h"

static inline void ocrdma_cpu_to_le32(void *dst, u32 len)
{
#ifdef __BIG_ENDIAN
	int i = 0;
	u32 *src_ptr = dst;
	u32 *dst_ptr = dst;
	for (; i < (len / 4); i++)
		*(dst_ptr + i) = cpu_to_le32p(src_ptr + i);
#endif
}

static inline void ocrdma_le32_to_cpu(void *dst, u32 len)
{
#ifdef __BIG_ENDIAN
	int i = 0;
	u32 *src_ptr = dst;
	u32 *dst_ptr = dst;
	for (; i < (len / sizeof(u32)); i++)
		*(dst_ptr + i) = le32_to_cpu(*(src_ptr + i));
#endif
}

static inline void ocrdma_copy_cpu_to_le32(void *dst, void *src, u32 len)
{
#ifdef __BIG_ENDIAN
	int i = 0;
	u32 *src_ptr = src;
	u32 *dst_ptr = dst;
	for (; i < (len / sizeof(u32)); i++)
		*(dst_ptr + i) = cpu_to_le32p(src_ptr + i);
#else
	memcpy(dst, src, len);
#endif
}

static inline void ocrdma_copy_le32_to_cpu(void *dst, void *src, u32 len)
{
#ifdef __BIG_ENDIAN
	int i = 0;
	u32 *src_ptr = src;
	u32 *dst_ptr = dst;
	for (; i < len / sizeof(u32); i++)
		*(dst_ptr + i) = le32_to_cpu(*(src_ptr + i));
#else
	memcpy(dst, src, len);
#endif
}

static inline u64 ocrdma_get_db_addr(struct ocrdma_dev *dev, u32 pdid)
{
	return dev->nic_info.unmapped_db + (pdid * dev->nic_info.db_page_size);
}

int ocrdma_init_hw(struct ocrdma_dev *);
void ocrdma_cleanup_hw(struct ocrdma_dev *);

enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps);
void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed,
		       bool solicited, u16 cqe_popped);

/* verbs specific mailbox commands */
int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed,
			      u8 *lnk_st);
int ocrdma_query_config(struct ocrdma_dev *,
			struct ocrdma_mbx_query_config *config);

int ocrdma_mbx_alloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);
int ocrdma_mbx_dealloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);

int ocrdma_mbx_alloc_lkey(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,
			  u32 pd_id, int addr_check);
int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev *, int fmr, u32 lkey);

int ocrdma_reg_mr(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,
			u32 pd_id, int acc);
int ocrdma_mbx_create_cq(struct ocrdma_dev *, struct ocrdma_cq *,
				int entries, int dpp_cq, u16 pd_id);
void ocrdma_mbx_destroy_cq(struct ocrdma_dev *dev, struct ocrdma_cq *cq);

int ocrdma_mbx_create_qp(struct ocrdma_qp *, struct ib_qp_init_attr *attrs,
			 u8 enable_dpp_cq, u16 dpp_cq_id, u16 *dpp_offset,
			 u16 *dpp_credit_lmt);
int ocrdma_mbx_modify_qp(struct ocrdma_dev *, struct ocrdma_qp *,
			 struct ib_qp_attr *attrs, int attr_mask);
int ocrdma_mbx_query_qp(struct ocrdma_dev *, struct ocrdma_qp *,

Annotation

Implementation Notes