RDMA/efa: Add the efa.h header file
Add EFA driver generic header file defining driver's device independent internal data structures and definitions. Signed-off-by: Gal Pressman <galpress@amazon.com> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Gal Pressman
Jason Gunthorpe
parent
01edac3aa2
commit
853f565235
163
drivers/infiniband/hw/efa/efa.h
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163
drivers/infiniband/hw/efa/efa.h
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/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
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/*
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* Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
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*/
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#ifndef _EFA_H_
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#define _EFA_H_
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#include <linux/bitops.h>
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#include <linux/idr.h>
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#include <linux/interrupt.h>
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#include <linux/pci.h>
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#include <linux/sched.h>
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#include <rdma/efa-abi.h>
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#include <rdma/ib_verbs.h>
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#include "efa_com_cmd.h"
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#define DRV_MODULE_NAME "efa"
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#define DEVICE_NAME "Elastic Fabric Adapter (EFA)"
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#define EFA_IRQNAME_SIZE 40
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/* 1 for AENQ + ADMIN */
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#define EFA_NUM_MSIX_VEC 1
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#define EFA_MGMNT_MSIX_VEC_IDX 0
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struct efa_irq {
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irq_handler_t handler;
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void *data;
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int cpu;
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u32 vector;
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cpumask_t affinity_hint_mask;
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char name[EFA_IRQNAME_SIZE];
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};
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struct efa_sw_stats {
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atomic64_t alloc_pd_err;
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atomic64_t create_qp_err;
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atomic64_t create_cq_err;
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atomic64_t reg_mr_err;
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atomic64_t alloc_ucontext_err;
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atomic64_t create_ah_err;
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};
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/* Don't use anything other than atomic64 */
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struct efa_stats {
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struct efa_sw_stats sw_stats;
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atomic64_t keep_alive_rcvd;
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};
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struct efa_dev {
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struct ib_device ibdev;
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struct efa_com_dev edev;
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struct pci_dev *pdev;
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struct efa_com_get_device_attr_result dev_attr;
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u64 reg_bar_addr;
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u64 reg_bar_len;
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u64 mem_bar_addr;
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u64 mem_bar_len;
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u64 db_bar_addr;
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u64 db_bar_len;
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u8 addr[EFA_GID_SIZE];
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u32 mtu;
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int admin_msix_vector_idx;
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struct efa_irq admin_irq;
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struct efa_stats stats;
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};
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struct efa_ucontext {
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struct ib_ucontext ibucontext;
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struct xarray mmap_xa;
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u32 mmap_xa_page;
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u16 uarn;
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};
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struct efa_pd {
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struct ib_pd ibpd;
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u16 pdn;
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};
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struct efa_mr {
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struct ib_mr ibmr;
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struct ib_umem *umem;
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};
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struct efa_cq {
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struct ib_cq ibcq;
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struct efa_ucontext *ucontext;
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dma_addr_t dma_addr;
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void *cpu_addr;
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size_t size;
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u16 cq_idx;
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};
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struct efa_qp {
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struct ib_qp ibqp;
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dma_addr_t rq_dma_addr;
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void *rq_cpu_addr;
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size_t rq_size;
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enum ib_qp_state state;
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u32 qp_handle;
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u32 max_send_wr;
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u32 max_recv_wr;
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u32 max_send_sge;
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u32 max_recv_sge;
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u32 max_inline_data;
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};
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struct efa_ah {
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struct ib_ah ibah;
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u16 ah;
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/* dest_addr */
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u8 id[EFA_GID_SIZE];
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};
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int efa_query_device(struct ib_device *ibdev,
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struct ib_device_attr *props,
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struct ib_udata *udata);
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int efa_query_port(struct ib_device *ibdev, u8 port,
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struct ib_port_attr *props);
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int efa_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
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int qp_attr_mask,
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struct ib_qp_init_attr *qp_init_attr);
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int efa_query_gid(struct ib_device *ibdev, u8 port, int index,
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union ib_gid *gid);
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int efa_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
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u16 *pkey);
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int efa_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
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void efa_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
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int efa_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
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struct ib_qp *efa_create_qp(struct ib_pd *ibpd,
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struct ib_qp_init_attr *init_attr,
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struct ib_udata *udata);
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int efa_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata);
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struct ib_cq *efa_create_cq(struct ib_device *ibdev,
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const struct ib_cq_init_attr *attr,
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struct ib_udata *udata);
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struct ib_mr *efa_reg_mr(struct ib_pd *ibpd, u64 start, u64 length,
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u64 virt_addr, int access_flags,
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struct ib_udata *udata);
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int efa_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
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int efa_get_port_immutable(struct ib_device *ibdev, u8 port_num,
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struct ib_port_immutable *immutable);
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int efa_alloc_ucontext(struct ib_ucontext *ibucontext, struct ib_udata *udata);
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void efa_dealloc_ucontext(struct ib_ucontext *ibucontext);
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int efa_mmap(struct ib_ucontext *ibucontext,
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struct vm_area_struct *vma);
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int efa_create_ah(struct ib_ah *ibah,
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struct rdma_ah_attr *ah_attr,
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u32 flags,
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struct ib_udata *udata);
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void efa_destroy_ah(struct ib_ah *ibah, u32 flags);
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int efa_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
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int qp_attr_mask, struct ib_udata *udata);
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enum rdma_link_layer efa_port_link_layer(struct ib_device *ibdev,
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u8 port_num);
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#endif /* _EFA_H_ */
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