From: Gal Pressman Date: Sun, 5 May 2019 17:59:23 +0000 (+0300) Subject: RDMA/efa: Add the efa.h header file X-Git-Tag: v5.15~6359^2~16 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=853f56523565c7d3526799d3e2dc503128c336ec;p=platform%2Fkernel%2Flinux-starfive.git 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 Reviewed-by: Steve Wise Signed-off-by: Jason Gunthorpe --- diff --git a/drivers/infiniband/hw/efa/efa.h b/drivers/infiniband/hw/efa/efa.h new file mode 100644 index 0000000..9e3cc32 --- /dev/null +++ b/drivers/infiniband/hw/efa/efa.h @@ -0,0 +1,163 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ +/* + * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved. + */ + +#ifndef _EFA_H_ +#define _EFA_H_ + +#include +#include +#include +#include +#include + +#include +#include + +#include "efa_com_cmd.h" + +#define DRV_MODULE_NAME "efa" +#define DEVICE_NAME "Elastic Fabric Adapter (EFA)" + +#define EFA_IRQNAME_SIZE 40 + +/* 1 for AENQ + ADMIN */ +#define EFA_NUM_MSIX_VEC 1 +#define EFA_MGMNT_MSIX_VEC_IDX 0 + +struct efa_irq { + irq_handler_t handler; + void *data; + int cpu; + u32 vector; + cpumask_t affinity_hint_mask; + char name[EFA_IRQNAME_SIZE]; +}; + +struct efa_sw_stats { + atomic64_t alloc_pd_err; + atomic64_t create_qp_err; + atomic64_t create_cq_err; + atomic64_t reg_mr_err; + atomic64_t alloc_ucontext_err; + atomic64_t create_ah_err; +}; + +/* Don't use anything other than atomic64 */ +struct efa_stats { + struct efa_sw_stats sw_stats; + atomic64_t keep_alive_rcvd; +}; + +struct efa_dev { + struct ib_device ibdev; + struct efa_com_dev edev; + struct pci_dev *pdev; + struct efa_com_get_device_attr_result dev_attr; + + u64 reg_bar_addr; + u64 reg_bar_len; + u64 mem_bar_addr; + u64 mem_bar_len; + u64 db_bar_addr; + u64 db_bar_len; + u8 addr[EFA_GID_SIZE]; + u32 mtu; + + int admin_msix_vector_idx; + struct efa_irq admin_irq; + + struct efa_stats stats; +}; + +struct efa_ucontext { + struct ib_ucontext ibucontext; + struct xarray mmap_xa; + u32 mmap_xa_page; + u16 uarn; +}; + +struct efa_pd { + struct ib_pd ibpd; + u16 pdn; +}; + +struct efa_mr { + struct ib_mr ibmr; + struct ib_umem *umem; +}; + +struct efa_cq { + struct ib_cq ibcq; + struct efa_ucontext *ucontext; + dma_addr_t dma_addr; + void *cpu_addr; + size_t size; + u16 cq_idx; +}; + +struct efa_qp { + struct ib_qp ibqp; + dma_addr_t rq_dma_addr; + void *rq_cpu_addr; + size_t rq_size; + enum ib_qp_state state; + u32 qp_handle; + u32 max_send_wr; + u32 max_recv_wr; + u32 max_send_sge; + u32 max_recv_sge; + u32 max_inline_data; +}; + +struct efa_ah { + struct ib_ah ibah; + u16 ah; + /* dest_addr */ + u8 id[EFA_GID_SIZE]; +}; + +int efa_query_device(struct ib_device *ibdev, + struct ib_device_attr *props, + struct ib_udata *udata); +int efa_query_port(struct ib_device *ibdev, u8 port, + struct ib_port_attr *props); +int efa_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, + int qp_attr_mask, + struct ib_qp_init_attr *qp_init_attr); +int efa_query_gid(struct ib_device *ibdev, u8 port, int index, + union ib_gid *gid); +int efa_query_pkey(struct ib_device *ibdev, u8 port, u16 index, + u16 *pkey); +int efa_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata); +void efa_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata); +int efa_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata); +struct ib_qp *efa_create_qp(struct ib_pd *ibpd, + struct ib_qp_init_attr *init_attr, + struct ib_udata *udata); +int efa_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata); +struct ib_cq *efa_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, + struct ib_udata *udata); +struct ib_mr *efa_reg_mr(struct ib_pd *ibpd, u64 start, u64 length, + u64 virt_addr, int access_flags, + struct ib_udata *udata); +int efa_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata); +int efa_get_port_immutable(struct ib_device *ibdev, u8 port_num, + struct ib_port_immutable *immutable); +int efa_alloc_ucontext(struct ib_ucontext *ibucontext, struct ib_udata *udata); +void efa_dealloc_ucontext(struct ib_ucontext *ibucontext); +int efa_mmap(struct ib_ucontext *ibucontext, + struct vm_area_struct *vma); +int efa_create_ah(struct ib_ah *ibah, + struct rdma_ah_attr *ah_attr, + u32 flags, + struct ib_udata *udata); +void efa_destroy_ah(struct ib_ah *ibah, u32 flags); +int efa_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, + int qp_attr_mask, struct ib_udata *udata); +enum rdma_link_layer efa_port_link_layer(struct ib_device *ibdev, + u8 port_num); + +#endif /* _EFA_H_ */