diff options
Diffstat (limited to 'drivers/infiniband/hw/efa/efa.h')
| -rw-r--r-- | drivers/infiniband/hw/efa/efa.h | 64 |
1 files changed, 39 insertions, 25 deletions
diff --git a/drivers/infiniband/hw/efa/efa.h b/drivers/infiniband/hw/efa/efa.h index aa7396a1588a..7352a1f5d811 100644 --- a/drivers/infiniband/hw/efa/efa.h +++ b/drivers/infiniband/hw/efa/efa.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ /* - * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved. + * Copyright 2018-2021 Amazon.com, Inc. or its affiliates. All rights reserved. */ #ifndef _EFA_H_ @@ -20,31 +20,27 @@ #define EFA_IRQNAME_SIZE 40 -/* 1 for AENQ + ADMIN */ -#define EFA_NUM_MSIX_VEC 1 #define EFA_MGMNT_MSIX_VEC_IDX 0 +#define EFA_COMP_EQS_VEC_BASE 1 struct efa_irq { irq_handler_t handler; void *data; - int cpu; + u32 irqn; u32 vector; cpumask_t affinity_hint_mask; char name[EFA_IRQNAME_SIZE]; }; -struct efa_sw_stats { +/* Don't use anything other than atomic64 */ +struct efa_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 mmap_err; atomic64_t keep_alive_rcvd; }; @@ -65,6 +61,13 @@ struct efa_dev { struct efa_irq admin_irq; struct efa_stats stats; + + /* Array of completion EQs */ + struct efa_eq *eqs; + unsigned int neqs; + + /* Only stores CQs with interrupts enabled */ + struct xarray cqs_xa; }; struct efa_ucontext { @@ -88,8 +91,11 @@ struct efa_cq { dma_addr_t dma_addr; void *cpu_addr; struct rdma_user_mmap_entry *mmap_entry; + struct rdma_user_mmap_entry *db_mmap_entry; size_t size; u16 cq_idx; + /* NULL when no interrupts requested */ + struct efa_eq *eq; }; struct efa_qp { @@ -120,32 +126,40 @@ struct efa_ah { u8 id[EFA_GID_SIZE]; }; +struct efa_eq { + struct efa_com_eq eeq; + struct efa_irq irq; +}; + 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, +int efa_query_port(struct ib_device *ibdev, u32 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, +int efa_query_gid(struct ib_device *ibdev, u32 port, int index, union ib_gid *gid); -int efa_query_pkey(struct ib_device *ibdev, u8 port, u16 index, +int efa_query_pkey(struct ib_device *ibdev, u32 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_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); -void efa_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata); +int efa_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *init_attr, + struct ib_udata *udata); +int efa_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata); int efa_create_cq(struct ib_cq *ibcq, 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); +struct ib_mr *efa_reg_user_mr_dmabuf(struct ib_pd *ibpd, u64 start, + u64 length, u64 virt_addr, + int fd, 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, +int efa_get_port_immutable(struct ib_device *ibdev, u32 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); @@ -153,16 +167,16 @@ int efa_mmap(struct ib_ucontext *ibucontext, struct vm_area_struct *vma); void efa_mmap_free(struct rdma_user_mmap_entry *rdma_entry); int efa_create_ah(struct ib_ah *ibah, - struct rdma_ah_attr *ah_attr, - u32 flags, + struct rdma_ah_init_attr *init_attr, struct ib_udata *udata); -void efa_destroy_ah(struct ib_ah *ibah, u32 flags); +int 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); -struct rdma_hw_stats *efa_alloc_hw_stats(struct ib_device *ibdev, u8 port_num); + u32 port_num); +struct rdma_hw_stats *efa_alloc_hw_port_stats(struct ib_device *ibdev, u32 port_num); +struct rdma_hw_stats *efa_alloc_hw_device_stats(struct ib_device *ibdev); int efa_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats, - u8 port_num, int index); + u32 port_num, int index); #endif /* _EFA_H_ */ |