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Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_loc.h')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_loc.h206
1 files changed, 102 insertions, 104 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h b/drivers/infiniband/sw/rxe/rxe_loc.h
index 1ddb20855dee..7992290886e1 100644
--- a/drivers/infiniband/sw/rxe/rxe_loc.h
+++ b/drivers/infiniband/sw/rxe/rxe_loc.h
@@ -9,17 +9,13 @@
/* rxe_av.c */
void rxe_init_av(struct rdma_ah_attr *attr, struct rxe_av *av);
-
-int rxe_av_chk_attr(struct rxe_dev *rxe, struct rdma_ah_attr *attr);
-
+int rxe_av_chk_attr(struct rxe_qp *qp, struct rdma_ah_attr *attr);
+int rxe_ah_chk_attr(struct rxe_ah *ah, struct rdma_ah_attr *attr);
void rxe_av_from_attr(u8 port_num, struct rxe_av *av,
struct rdma_ah_attr *attr);
-
void rxe_av_to_attr(struct rxe_av *av, struct rdma_ah_attr *attr);
-
void rxe_av_fill_ip_info(struct rxe_av *av, struct rdma_ah_attr *attr);
-
-struct rxe_av *rxe_get_av(struct rxe_pkt_info *pkt);
+struct rxe_av *rxe_get_av(struct rxe_pkt_info *pkt, struct rxe_ah **ahp);
/* rxe_cq.c */
int rxe_cq_chk_attr(struct rxe_dev *rxe, struct rxe_cq *cq,
@@ -35,23 +31,13 @@ int rxe_cq_resize_queue(struct rxe_cq *cq, int new_cqe,
int rxe_cq_post(struct rxe_cq *cq, struct rxe_cqe *cqe, int solicited);
-void rxe_cq_disable(struct rxe_cq *cq);
-
-void rxe_cq_cleanup(struct rxe_pool_entry *arg);
+void rxe_cq_cleanup(struct rxe_pool_elem *elem);
/* rxe_mcast.c */
-int rxe_mcast_get_grp(struct rxe_dev *rxe, union ib_gid *mgid,
- struct rxe_mc_grp **grp_p);
-
-int rxe_mcast_add_grp_elem(struct rxe_dev *rxe, struct rxe_qp *qp,
- struct rxe_mc_grp *grp);
-
-int rxe_mcast_drop_grp_elem(struct rxe_dev *rxe, struct rxe_qp *qp,
- union ib_gid *mgid);
-
-void rxe_drop_all_mcast_groups(struct rxe_qp *qp);
-
-void rxe_mc_cleanup(struct rxe_pool_entry *arg);
+struct rxe_mcg *rxe_lookup_mcg(struct rxe_dev *rxe, union ib_gid *mgid);
+int rxe_attach_mcast(struct ib_qp *ibqp, union ib_gid *mgid, u16 mlid);
+int rxe_detach_mcast(struct ib_qp *ibqp, union ib_gid *mgid, u16 mlid);
+void rxe_cleanup_mcg(struct kref *kref);
/* rxe_mmap.c */
struct rxe_mmap_info {
@@ -72,23 +58,31 @@ 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_dma(struct rxe_pd *pd, int access, struct rxe_mr *mr);
-int rxe_mr_init_user(struct rxe_pd *pd, u64 start, u64 length, u64 iova,
+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,
int access, struct rxe_mr *mr);
-int rxe_mr_init_fast(struct rxe_pd *pd, int max_pages, struct rxe_mr *mr);
-int rxe_mr_copy(struct rxe_mr *mr, u64 iova, void *addr, int length,
- enum rxe_mr_copy_dir dir, u32 *crcp);
-int copy_data(struct rxe_pd *pd, int access,
- struct rxe_dma_info *dma, void *addr, int length,
- enum rxe_mr_copy_dir dir, u32 *crcp);
-void *iova_to_vaddr(struct rxe_mr *mr, u64 iova, int length);
+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);
+int rxe_mr_copy(struct rxe_mr *mr, u64 iova, void *addr,
+ unsigned int length, enum rxe_mr_copy_dir dir);
+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);
+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);
int advance_dma_data(struct rxe_dma_info *dma, unsigned int length);
-int rxe_invalidate_mr(struct rxe_qp *qp, u32 rkey);
-int rxe_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
-void rxe_mr_cleanup(struct rxe_pool_entry *arg);
+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);
@@ -96,41 +90,32 @@ int rxe_dealloc_mw(struct ib_mw *ibmw);
int rxe_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe);
int rxe_invalidate_mw(struct rxe_qp *qp, u32 rkey);
struct rxe_mw *rxe_lookup_mw(struct rxe_qp *qp, int access, u32 rkey);
-void rxe_mw_cleanup(struct rxe_pool_entry *arg);
+void rxe_mw_cleanup(struct rxe_pool_elem *elem);
/* rxe_net.c */
-void rxe_loopback(struct sk_buff *skb);
-int rxe_send(struct rxe_pkt_info *pkt, struct sk_buff *skb);
struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av,
int paylen, struct rxe_pkt_info *pkt);
-int rxe_prepare(struct rxe_pkt_info *pkt, struct sk_buff *skb, u32 *crc);
+int rxe_prepare(struct rxe_av *av, struct rxe_pkt_info *pkt,
+ struct sk_buff *skb);
+int rxe_xmit_packet(struct rxe_qp *qp, struct rxe_pkt_info *pkt,
+ struct sk_buff *skb);
const char *rxe_parent_name(struct rxe_dev *rxe, unsigned int port_num);
-int rxe_mcast_add(struct rxe_dev *rxe, union ib_gid *mgid);
-int rxe_mcast_delete(struct rxe_dev *rxe, union ib_gid *mgid);
/* rxe_qp.c */
int rxe_qp_chk_init(struct rxe_dev *rxe, struct ib_qp_init_attr *init);
-
int rxe_qp_from_init(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_pd *pd,
struct ib_qp_init_attr *init,
struct rxe_create_qp_resp __user *uresp,
struct ib_pd *ibpd, struct ib_udata *udata);
-
int rxe_qp_to_init(struct rxe_qp *qp, struct ib_qp_init_attr *init);
-
int rxe_qp_chk_attr(struct rxe_dev *rxe, struct rxe_qp *qp,
struct ib_qp_attr *attr, int mask);
-
int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr,
int mask, struct ib_udata *udata);
-
int rxe_qp_to_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask);
-
void rxe_qp_error(struct rxe_qp *qp);
-
-void rxe_qp_destroy(struct rxe_qp *qp);
-
-void rxe_qp_cleanup(struct rxe_pool_entry *arg);
+int rxe_qp_chk_destroy(struct rxe_qp *qp);
+void rxe_qp_cleanup(struct rxe_pool_elem *elem);
static inline int qp_num(struct rxe_qp *qp)
{
@@ -155,13 +140,13 @@ 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 rxe_qp *qp, struct resp_res *res);
+void free_rd_atomic_resource(struct resp_res *res);
static inline void rxe_advance_resp_resource(struct rxe_qp *qp)
{
@@ -174,26 +159,27 @@ void retransmit_timer(struct timer_list *t);
void rnr_nak_timer(struct timer_list *t);
/* rxe_srq.c */
-#define IB_SRQ_INIT_MASK (~IB_SRQ_LIMIT)
-
-int rxe_srq_chk_attr(struct rxe_dev *rxe, struct rxe_srq *srq,
- struct ib_srq_attr *attr, enum ib_srq_attr_mask mask);
-
+int rxe_srq_chk_init(struct rxe_dev *rxe, struct ib_srq_init_attr *init);
int rxe_srq_from_init(struct rxe_dev *rxe, struct rxe_srq *srq,
struct ib_srq_init_attr *init, struct ib_udata *udata,
struct rxe_create_srq_resp __user *uresp);
-
+int rxe_srq_chk_attr(struct rxe_dev *rxe, struct rxe_srq *srq,
+ struct ib_srq_attr *attr, enum ib_srq_attr_mask mask);
int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq,
struct ib_srq_attr *attr, enum ib_srq_attr_mask mask,
struct rxe_modify_srq_cmd *ucmd, struct ib_udata *udata);
+void rxe_srq_cleanup(struct rxe_pool_elem *elem);
void rxe_dealloc(struct ib_device *ib_dev);
-int rxe_completer(void *arg);
-int rxe_requester(void *arg);
-int rxe_responder(void *arg);
+int rxe_completer(struct rxe_qp *qp);
+int rxe_requester(struct rxe_qp *qp);
+int rxe_sender(struct rxe_qp *qp);
+int rxe_receiver(struct rxe_qp *qp);
-u32 rxe_icrc_hdr(struct rxe_pkt_info *pkt, struct sk_buff *skb);
+/* rxe_icrc.c */
+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);
void rxe_resp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb);
@@ -204,47 +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];
}
-static inline int rxe_xmit_packet(struct rxe_qp *qp, struct rxe_pkt_info *pkt,
- struct sk_buff *skb)
+/* 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)
{
- int err;
- int is_request = pkt->mask & RXE_REQ_MASK;
- struct rxe_dev *rxe = to_rdev(qp->ibqp.device);
-
- if ((is_request && (qp->req.state != QP_STATE_READY)) ||
- (!is_request && (qp->resp.state != QP_STATE_READY))) {
- pr_info("Packet dropped. QP is not in ready state\n");
- goto drop;
- }
-
- if (pkt->mask & RXE_LOOPBACK_MASK) {
- memcpy(SKB_TO_PKT(skb), pkt, sizeof(*pkt));
- rxe_loopback(skb);
- err = 0;
- } else {
- err = rxe_send(pkt, skb);
- }
-
- if (err) {
- rxe->xmit_errors++;
- rxe_counter_inc(rxe, RXE_CNT_SEND_ERR);
- return err;
- }
-
- if ((qp_type(qp) != IB_QPT_RC) &&
- (pkt->mask & RXE_END_MASK)) {
- pkt->wqe->state = wqe_state_done;
- rxe_run_task(&qp->comp.task, 1);
- }
-
- rxe_counter_inc(rxe, RXE_CNT_SENT_PKTS);
- goto done;
-
-drop:
- kfree_skb(skb);
- err = 0;
-done:
- return err;
+ 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 */
generated by cgit (git 2.34.1) at 2025-12-26 06:37:41 +0000