diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_verbs.h')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_verbs.h | 49 |
1 files changed, 31 insertions, 18 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.h b/drivers/infiniband/hw/ipath/ipath_verbs.h index f3d1f2cee6f8..6ccb54f104a3 100644 --- a/drivers/infiniband/hw/ipath/ipath_verbs.h +++ b/drivers/infiniband/hw/ipath/ipath_verbs.h @@ -42,7 +42,7 @@ #include <rdma/ib_pack.h> #include <rdma/ib_user_verbs.h> -#include "ipath_layer.h" +#include "ipath_kernel.h" #define IPATH_MAX_RDMA_ATOMIC 4 @@ -61,6 +61,7 @@ */ #define IB_CQ_NONE (IB_CQ_NEXT_COMP + 1) +/* AETH NAK opcode values */ #define IB_RNR_NAK 0x20 #define IB_NAK_PSN_ERROR 0x60 #define IB_NAK_INVALID_REQUEST 0x61 @@ -68,6 +69,7 @@ #define IB_NAK_REMOTE_OPERATIONAL_ERROR 0x63 #define IB_NAK_INVALID_RD_REQUEST 0x64 +/* Flags for checking QP state (see ib_ipath_state_ops[]) */ #define IPATH_POST_SEND_OK 0x01 #define IPATH_POST_RECV_OK 0x02 #define IPATH_PROCESS_RECV_OK 0x04 @@ -189,7 +191,11 @@ struct ipath_mmap_info { struct ipath_cq_wc { u32 head; /* index of next entry to fill */ u32 tail; /* index of next ib_poll_cq() entry */ - struct ib_uverbs_wc queue[1]; /* this is actually size ibcq.cqe + 1 */ + union { + /* these are actually size ibcq.cqe + 1 */ + struct ib_uverbs_wc uqueue[0]; + struct ib_wc kqueue[0]; + }; }; /* @@ -241,7 +247,7 @@ struct ipath_mregion { */ struct ipath_sge { struct ipath_mregion *mr; - void *vaddr; /* current pointer into the segment */ + void *vaddr; /* kernel virtual address of segment */ u32 sge_length; /* length of the SGE */ u32 length; /* remaining length of the segment */ u16 m; /* current index: mr->map[m] */ @@ -409,6 +415,7 @@ struct ipath_qp { u32 s_ssn; /* SSN of tail entry */ u32 s_lsn; /* limit sequence number (credit) */ struct ipath_swqe *s_wq; /* send work queue */ + struct ipath_swqe *s_wqe; struct ipath_rq r_rq; /* receive work queue */ struct ipath_sge r_sg_list[0]; /* verified SGEs */ }; @@ -494,7 +501,7 @@ struct ipath_ibdev { int ib_unit; /* This is the device number */ u16 sm_lid; /* in host order */ u8 sm_sl; - u8 mkeyprot_resv_lmc; + u8 mkeyprot; /* non-zero when timer is set */ unsigned long mkey_lease_timeout; @@ -669,7 +676,7 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd, int ipath_destroy_qp(struct ib_qp *ibqp); -void ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err); +int ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err); int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask, struct ib_udata *udata); @@ -685,8 +692,8 @@ void ipath_sqerror_qp(struct ipath_qp *qp, struct ib_wc *wc); void ipath_get_credit(struct ipath_qp *qp, u32 aeth); -int ipath_verbs_send(struct ipath_devdata *dd, u32 hdrwords, - u32 *hdr, u32 len, struct ipath_sge_state *ss); +int ipath_verbs_send(struct ipath_qp *qp, struct ipath_ib_header *hdr, + u32 hdrwords, struct ipath_sge_state *ss, u32 len); void ipath_cq_enter(struct ipath_cq *cq, struct ib_wc *entry, int sig); @@ -694,8 +701,6 @@ void ipath_copy_sge(struct ipath_sge_state *ss, void *data, u32 length); void ipath_skip_sge(struct ipath_sge_state *ss, u32 length); -int ipath_post_ruc_send(struct ipath_qp *qp, struct ib_send_wr *wr); - void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, int has_grh, void *data, u32 tlen, struct ipath_qp *qp); @@ -735,6 +740,8 @@ int ipath_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr); int ipath_destroy_srq(struct ib_srq *ibsrq); +void ipath_cq_enter(struct ipath_cq *cq, struct ib_wc *entry, int sig); + int ipath_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry); struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries, int comp_vector, @@ -782,22 +789,30 @@ void ipath_update_mmap_info(struct ipath_ibdev *dev, int ipath_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); -void ipath_no_bufs_available(struct ipath_qp *qp, struct ipath_ibdev *dev); - void ipath_insert_rnr_queue(struct ipath_qp *qp); +int ipath_init_sge(struct ipath_qp *qp, struct ipath_rwqe *wqe, + u32 *lengthp, struct ipath_sge_state *ss); + int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only); u32 ipath_make_grh(struct ipath_ibdev *dev, struct ib_grh *hdr, struct ib_global_route *grh, u32 hwords, u32 nwords); -void ipath_do_ruc_send(unsigned long data); +void ipath_make_ruc_header(struct ipath_ibdev *dev, struct ipath_qp *qp, + struct ipath_other_headers *ohdr, + u32 bth0, u32 bth2); + +void ipath_do_send(unsigned long data); + +void ipath_send_complete(struct ipath_qp *qp, struct ipath_swqe *wqe, + enum ib_wc_status status); -int ipath_make_rc_req(struct ipath_qp *qp, struct ipath_other_headers *ohdr, - u32 pmtu, u32 *bth0p, u32 *bth2p); +int ipath_make_rc_req(struct ipath_qp *qp); -int ipath_make_uc_req(struct ipath_qp *qp, struct ipath_other_headers *ohdr, - u32 pmtu, u32 *bth0p, u32 *bth2p); +int ipath_make_uc_req(struct ipath_qp *qp); + +int ipath_make_ud_req(struct ipath_qp *qp); int ipath_register_ib_device(struct ipath_devdata *); @@ -807,8 +822,6 @@ void ipath_ib_rcv(struct ipath_ibdev *, void *, void *, u32); int ipath_ib_piobufavail(struct ipath_ibdev *); -void ipath_ib_timer(struct ipath_ibdev *); - unsigned ipath_get_npkeys(struct ipath_devdata *); u32 ipath_get_cr_errpkey(struct ipath_devdata *); 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