@@ -300,6 +300,19 @@ int rvt_register_device(struct rvt_dev_info *rdi)
spin_lock_init(&rdi->n_pds_lock);
rdi->n_pds_allocated = 0;
+ if (rdi->dparms.nports) {
+ rdi->ports = kcalloc(rdi->dparms.nports,
+ sizeof(struct rvt_ibport **),
+ GFP_KERNEL);
+ if (!rdi->ports) {
+ rvt_pr_err(rdi, "Could not allocate port mem.\n");
+ ret = -ENOMEM;
+ goto bail_mr;
+ }
+ } else {
+ rvt_pr_warn(rdi, "Driver says it has no ports.\n");
+ }
+
/* We are now good to announce we exist */
ret = ib_register_device(&rdi->ibdev, rdi->driver_f.port_callback);
if (ret) {
@@ -327,3 +340,14 @@ void rvt_unregister_device(struct rvt_dev_info *rdi)
rvt_mr_exit(rdi);
}
EXPORT_SYMBOL(rvt_unregister_device);
+
+/*
+ * Keep track of a list of ports. No need to have a detach port.
+ * They persist until the driver goes away.
+ */
+void rvt_attach_port(struct rvt_dev_info *rdi, struct rvt_ibport *port,
+ int portnum)
+{
+ rdi->ports[portnum] = port;
+}
+EXPORT_SYMBOL(rvt_attach_port);
@@ -53,6 +53,8 @@
* rdmavt layer.
*/
+#include <linux/spinlock.h>
+#include <linux/list.h>
#include "ib_verbs.h"
#define RVT_MULTICAST_LID_BASE 0xC000
@@ -359,6 +361,65 @@ struct rvt_srq {
/* End QP section */
+struct rvt_ibport {
+ struct rvt_qp __rcu *qp[2];
+ struct ib_mad_agent *send_agent; /* agent for SMI (traps) */
+ struct rb_root mcast_tree;
+ spinlock_t lock; /* protect changes in this struct */
+
+ /* non-zero when timer is set */
+ unsigned long mkey_lease_timeout;
+ unsigned long trap_timeout;
+ __be64 gid_prefix; /* in network order */
+ __be64 mkey;
+ u64 tid;
+ u32 port_cap_flags;
+ u32 pma_sample_start;
+ u32 pma_sample_interval;
+ __be16 pma_counter_select[5];
+ u16 pma_tag;
+ u16 mkey_lease_period;
+ u16 sm_lid;
+ u8 sm_sl;
+ u8 mkeyprot;
+ u8 subnet_timeout;
+ u8 vl_high_limit;
+
+ /*
+ * Driver is expected to keep these up to date. These
+ * counters are informational only and not required to be
+ * completely accurate.
+ */
+ u64 n_rc_resends;
+ u64 n_seq_naks;
+ u64 n_rdma_seq;
+ u64 n_rnr_naks;
+ u64 n_other_naks;
+ u64 n_loop_pkts;
+ u64 n_pkt_drops;
+ u64 n_vl15_dropped;
+ u64 n_rc_timeouts;
+ u64 n_dmawait;
+ u64 n_unaligned;
+ u64 n_rc_dupreq;
+ u64 n_rc_seqnak;
+ u16 pkey_violations;
+ u16 qkey_violations;
+ u16 mkey_violations;
+
+ /* Hot-path per CPU counters to avoid cacheline trading to update */
+ u64 z_rc_acks;
+ u64 z_rc_qacks;
+ u64 z_rc_delayed_comp;
+ u64 __percpu *rc_acks;
+ u64 __percpu *rc_qacks;
+ u64 __percpu *rc_delayed_comp;
+
+ void *priv; /* driver private data */
+
+ /* TODO: Move sm_ah and smi_ah into here as well*/
+};
+
/*
* Things that are driver specific, module parameters in hfi1 and qib
*/
@@ -403,6 +464,7 @@ struct rvt_driver_params {
* For instance special module parameters. Goes here.
*/
unsigned int lkey_table_size;
+ int nports;
};
/*
@@ -465,6 +527,7 @@ struct rvt_dev_info {
spinlock_t n_ahs_lock; /* Protect ah allocated count */
int flags;
+ struct rvt_ibport **ports;
};
static inline struct rvt_pd *ibpd_to_rvtpd(struct ib_pd *ibpd)
@@ -501,9 +564,10 @@ static inline struct rvt_srq *ibsrq_to_rvtsrq(struct ib_srq *ibsrq)
int rvt_register_device(struct rvt_dev_info *rvd);
void rvt_unregister_device(struct rvt_dev_info *rvd);
int rvt_check_ah(struct ib_device *ibdev, struct ib_ah_attr *ah_attr);
+void rvt_attach_port(struct rvt_dev_info *rdi, struct rvt_ibport *port,
+ int portnum);
int rvt_rkey_ok(struct rvt_qp *qp, struct rvt_sge *sge,
u32 len, u64 vaddr, u32 rkey, int acc);
int rvt_lkey_ok(struct rvt_lkey_table *rkt, struct rvt_pd *pd,
struct rvt_sge *isge, struct ib_sge *sge, int acc);
-
#endif /* DEF_RDMA_VT_H */