diff options
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_loc.h')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_loc.h | 77 |
1 files changed, 68 insertions, 9 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h b/drivers/infiniband/sw/rxe/rxe_loc.h index 666e06a82bc9..7992290886e1 100644 --- a/drivers/infiniband/sw/rxe/rxe_loc.h +++ b/drivers/infiniband/sw/rxe/rxe_loc.h @@ -58,8 +58,9 @@ int rxe_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); /* rxe_mr.c */ u8 rxe_get_next_key(u32 last_key); +void rxe_mr_init(int access, struct rxe_mr *mr); void rxe_mr_init_dma(int access, struct rxe_mr *mr); -int rxe_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length, u64 iova, +int rxe_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length, int access, struct rxe_mr *mr); int rxe_mr_init_fast(int max_pages, struct rxe_mr *mr); int rxe_flush_pmem_iova(struct rxe_mr *mr, u64 iova, unsigned int length); @@ -69,9 +70,9 @@ int copy_data(struct rxe_pd *pd, int access, struct rxe_dma_info *dma, void *addr, int length, enum rxe_mr_copy_dir dir); int rxe_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, unsigned int *sg_offset); -int rxe_mr_do_atomic_op(struct rxe_mr *mr, u64 iova, int opcode, - u64 compare, u64 swap_add, u64 *orig_val); -int rxe_mr_do_atomic_write(struct rxe_mr *mr, u64 iova, u64 value); +enum resp_states rxe_mr_do_atomic_op(struct rxe_mr *mr, u64 iova, int opcode, + u64 compare, u64 swap_add, u64 *orig_val); +enum resp_states rxe_mr_do_atomic_write(struct rxe_mr *mr, u64 iova, u64 value); struct rxe_mr *lookup_mr(struct rxe_pd *pd, int access, u32 key, enum rxe_mr_lookup_type type); int mr_check_range(struct rxe_mr *mr, u64 iova, size_t length); @@ -80,6 +81,9 @@ int rxe_invalidate_mr(struct rxe_qp *qp, u32 key); int rxe_reg_fast_mr(struct rxe_qp *qp, struct rxe_send_wqe *wqe); void rxe_mr_cleanup(struct rxe_pool_elem *elem); +/* defined in rxe_mr.c; used in rxe_mr.c and rxe_odp.c */ +extern spinlock_t atomic_ops_lock; + /* rxe_mw.c */ int rxe_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata); int rxe_dealloc_mw(struct ib_mw *ibmw); @@ -136,10 +140,10 @@ static inline int qp_mtu(struct rxe_qp *qp) return IB_MTU_4096; } -static inline int rcv_wqe_size(int max_sge) +static inline bool is_odp_mr(struct rxe_mr *mr) { - return sizeof(struct rxe_recv_wqe) + - max_sge * sizeof(struct ib_sge); + return IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING) && mr->umem && + mr->umem->is_odp; } void free_rd_atomic_resource(struct resp_res *res); @@ -170,10 +174,10 @@ void rxe_dealloc(struct ib_device *ib_dev); int rxe_completer(struct rxe_qp *qp); int rxe_requester(struct rxe_qp *qp); -int rxe_responder(struct rxe_qp *qp); +int rxe_sender(struct rxe_qp *qp); +int rxe_receiver(struct rxe_qp *qp); /* rxe_icrc.c */ -int rxe_icrc_init(struct rxe_dev *rxe); int rxe_icrc_check(struct sk_buff *skb, struct rxe_pkt_info *pkt); void rxe_icrc_generate(struct sk_buff *skb, struct rxe_pkt_info *pkt); @@ -186,4 +190,59 @@ static inline unsigned int wr_opcode_mask(int opcode, struct rxe_qp *qp) return rxe_wr_opcode_info[opcode].mask[qp->ibqp.qp_type]; } +/* rxe_odp.c */ +extern const struct mmu_interval_notifier_ops rxe_mn_ops; + +#if defined CONFIG_INFINIBAND_ON_DEMAND_PAGING +int rxe_odp_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length, + u64 iova, int access_flags, struct rxe_mr *mr); +int rxe_odp_mr_copy(struct rxe_mr *mr, u64 iova, void *addr, int length, + enum rxe_mr_copy_dir dir); +enum resp_states rxe_odp_atomic_op(struct rxe_mr *mr, u64 iova, int opcode, + u64 compare, u64 swap_add, u64 *orig_val); +int rxe_odp_flush_pmem_iova(struct rxe_mr *mr, u64 iova, + unsigned int length); +enum resp_states rxe_odp_do_atomic_write(struct rxe_mr *mr, u64 iova, u64 value); +int rxe_ib_advise_mr(struct ib_pd *pd, enum ib_uverbs_advise_mr_advice advice, + u32 flags, struct ib_sge *sg_list, u32 num_sge, + struct uverbs_attr_bundle *attrs); +#else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ +static inline int +rxe_odp_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length, u64 iova, + int access_flags, struct rxe_mr *mr) +{ + return -EOPNOTSUPP; +} +static inline int rxe_odp_mr_copy(struct rxe_mr *mr, u64 iova, void *addr, + int length, enum rxe_mr_copy_dir dir) +{ + return -EOPNOTSUPP; +} +static inline enum resp_states +rxe_odp_atomic_op(struct rxe_mr *mr, u64 iova, int opcode, + u64 compare, u64 swap_add, u64 *orig_val) +{ + return RESPST_ERR_UNSUPPORTED_OPCODE; +} +static inline int rxe_odp_flush_pmem_iova(struct rxe_mr *mr, u64 iova, + unsigned int length) +{ + return -EOPNOTSUPP; +} +static inline enum resp_states rxe_odp_do_atomic_write(struct rxe_mr *mr, + u64 iova, u64 value) +{ + return RESPST_ERR_UNSUPPORTED_OPCODE; +} +static inline int rxe_ib_advise_mr(struct ib_pd *pd, + enum ib_uverbs_advise_mr_advice advice, + u32 flags, struct ib_sge *sg_list, + u32 num_sge, + struct uverbs_attr_bundle *attrs) +{ + return -EOPNOTSUPP; +} + +#endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ + #endif /* RXE_LOC_H */ |