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Diffstat (limited to 'drivers/infiniband/ulp/rtrs')
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c49
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c11
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-clt.c6
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-clt.h13
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-pri.h2
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-srv-stats.c3
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c2
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-srv.c6
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-srv.h3
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs.c31
10 files changed, 80 insertions, 46 deletions
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c b/drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c
index 5e780bdd763d..f7e459fe68be 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c
@@ -37,46 +37,50 @@ void rtrs_clt_inc_failover_cnt(struct rtrs_clt_stats *stats)
s->rdma.failover_cnt++;
}
-int rtrs_clt_stats_migration_cnt_to_str(struct rtrs_clt_stats *stats,
- char *buf, size_t len)
+int rtrs_clt_stats_migration_from_cnt_to_str(struct rtrs_clt_stats *stats, char *buf)
{
struct rtrs_clt_stats_pcpu *s;
size_t used;
int cpu;
- used = scnprintf(buf, len, " ");
- for_each_possible_cpu(cpu)
- used += scnprintf(buf + used, len - used, " CPU%u", cpu);
-
- used += scnprintf(buf + used, len - used, "\nfrom:");
+ used = 0;
for_each_possible_cpu(cpu) {
s = per_cpu_ptr(stats->pcpu_stats, cpu);
- used += scnprintf(buf + used, len - used, " %d",
+ used += sysfs_emit_at(buf, used, "%d ",
atomic_read(&s->cpu_migr.from));
}
- used += scnprintf(buf + used, len - used, "\nto :");
+ used += sysfs_emit_at(buf, used, "\n");
+
+ return used;
+}
+
+int rtrs_clt_stats_migration_to_cnt_to_str(struct rtrs_clt_stats *stats, char *buf)
+{
+ struct rtrs_clt_stats_pcpu *s;
+
+ size_t used;
+ int cpu;
+
+ used = 0;
for_each_possible_cpu(cpu) {
s = per_cpu_ptr(stats->pcpu_stats, cpu);
- used += scnprintf(buf + used, len - used, " %d",
- s->cpu_migr.to);
+ used += sysfs_emit_at(buf, used, "%d ", s->cpu_migr.to);
}
- used += scnprintf(buf + used, len - used, "\n");
+
+ used += sysfs_emit_at(buf, used, "\n");
return used;
}
-int rtrs_clt_stats_reconnects_to_str(struct rtrs_clt_stats *stats, char *buf,
- size_t len)
+int rtrs_clt_stats_reconnects_to_str(struct rtrs_clt_stats *stats, char *buf)
{
- return scnprintf(buf, len, "%d %d\n",
- stats->reconnects.successful_cnt,
- stats->reconnects.fail_cnt);
+ return sysfs_emit(buf, "%d %d\n", stats->reconnects.successful_cnt,
+ stats->reconnects.fail_cnt);
}
-ssize_t rtrs_clt_stats_rdma_to_str(struct rtrs_clt_stats *stats,
- char *page, size_t len)
+ssize_t rtrs_clt_stats_rdma_to_str(struct rtrs_clt_stats *stats, char *page)
{
struct rtrs_clt_stats_rdma sum;
struct rtrs_clt_stats_rdma *r;
@@ -94,16 +98,15 @@ ssize_t rtrs_clt_stats_rdma_to_str(struct rtrs_clt_stats *stats,
sum.failover_cnt += r->failover_cnt;
}
- return scnprintf(page, len, "%llu %llu %llu %llu %u %llu\n",
+ return sysfs_emit(page, "%llu %llu %llu %llu %u %llu\n",
sum.dir[READ].cnt, sum.dir[READ].size_total,
sum.dir[WRITE].cnt, sum.dir[WRITE].size_total,
atomic_read(&stats->inflight), sum.failover_cnt);
}
-ssize_t rtrs_clt_reset_all_help(struct rtrs_clt_stats *s,
- char *page, size_t len)
+ssize_t rtrs_clt_reset_all_help(struct rtrs_clt_stats *s, char *page)
{
- return scnprintf(page, len, "echo 1 to reset all statistics\n");
+ return sysfs_emit(page, "echo 1 to reset all statistics\n");
}
int rtrs_clt_reset_rdma_stats(struct rtrs_clt_stats *stats, bool enable)
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c b/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c
index 4ee592ccf979..0e69180c3771 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c
@@ -296,8 +296,12 @@ static struct kobj_attribute rtrs_clt_remove_path_attr =
__ATTR(remove_path, 0644, rtrs_clt_remove_path_show,
rtrs_clt_remove_path_store);
-STAT_ATTR(struct rtrs_clt_stats, cpu_migration,
- rtrs_clt_stats_migration_cnt_to_str,
+STAT_ATTR(struct rtrs_clt_stats, cpu_migration_from,
+ rtrs_clt_stats_migration_from_cnt_to_str,
+ rtrs_clt_reset_cpu_migr_stats);
+
+STAT_ATTR(struct rtrs_clt_stats, cpu_migration_to,
+ rtrs_clt_stats_migration_to_cnt_to_str,
rtrs_clt_reset_cpu_migr_stats);
STAT_ATTR(struct rtrs_clt_stats, reconnects,
@@ -313,7 +317,8 @@ STAT_ATTR(struct rtrs_clt_stats, reset_all,
rtrs_clt_reset_all_stats);
static struct attribute *rtrs_clt_stats_attrs[] = {
- &cpu_migration_attr.attr,
+ &cpu_migration_from_attr.attr,
+ &cpu_migration_to_attr.attr,
&reconnects_attr.attr,
&rdma_attr.attr,
&reset_all_attr.attr,
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index bc8824b4ee0d..15c0077dd27e 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -2788,6 +2788,12 @@ struct rtrs_clt *rtrs_clt_open(struct rtrs_clt_ops *ops,
struct rtrs_clt *clt;
int err, i;
+ if (strchr(sessname, '/') || strchr(sessname, '.')) {
+ pr_err("sessname cannot contain / and .\n");
+ err = -EINVAL;
+ goto out;
+ }
+
clt = alloc_clt(sessname, paths_num, port, pdu_sz, ops->priv,
ops->link_ev,
reconnect_delay_sec,
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.h b/drivers/infiniband/ulp/rtrs/rtrs-clt.h
index 9dc819885ec7..9afffccff973 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.h
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.h
@@ -224,19 +224,18 @@ void rtrs_clt_update_all_stats(struct rtrs_clt_io_req *req, int dir);
int rtrs_clt_reset_rdma_lat_distr_stats(struct rtrs_clt_stats *stats,
bool enable);
ssize_t rtrs_clt_stats_rdma_lat_distr_to_str(struct rtrs_clt_stats *stats,
- char *page, size_t len);
+ char *page);
int rtrs_clt_reset_cpu_migr_stats(struct rtrs_clt_stats *stats, bool enable);
-int rtrs_clt_stats_migration_cnt_to_str(struct rtrs_clt_stats *stats, char *buf,
- size_t len);
+int rtrs_clt_stats_migration_from_cnt_to_str(struct rtrs_clt_stats *stats, char *buf);
+int rtrs_clt_stats_migration_to_cnt_to_str(struct rtrs_clt_stats *stats, char *buf);
int rtrs_clt_reset_reconnects_stat(struct rtrs_clt_stats *stats, bool enable);
-int rtrs_clt_stats_reconnects_to_str(struct rtrs_clt_stats *stats, char *buf,
- size_t len);
+int rtrs_clt_stats_reconnects_to_str(struct rtrs_clt_stats *stats, char *buf);
int rtrs_clt_reset_rdma_stats(struct rtrs_clt_stats *stats, bool enable);
ssize_t rtrs_clt_stats_rdma_to_str(struct rtrs_clt_stats *stats,
- char *page, size_t len);
+ char *page);
int rtrs_clt_reset_all_stats(struct rtrs_clt_stats *stats, bool enable);
ssize_t rtrs_clt_reset_all_help(struct rtrs_clt_stats *stats,
- char *page, size_t len);
+ char *page);
/* rtrs-clt-sysfs.c */
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-pri.h b/drivers/infiniband/ulp/rtrs/rtrs-pri.h
index d12ddfa50747..78eac9a4f703 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-pri.h
+++ b/drivers/infiniband/ulp/rtrs/rtrs-pri.h
@@ -398,7 +398,7 @@ static ssize_t get_value##_show(struct kobject *kobj, \
{ \
type *stats = container_of(kobj, type, kobj_stats); \
\
- return print(stats, page, PAGE_SIZE); \
+ return print(stats, page); \
}
#define STAT_ATTR(type, stat, print, reset) \
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv-stats.c b/drivers/infiniband/ulp/rtrs/rtrs-srv-stats.c
index 12c374b5eb6e..44b1c1652131 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv-stats.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv-stats.c
@@ -23,8 +23,7 @@ int rtrs_srv_reset_rdma_stats(struct rtrs_srv_stats *stats, bool enable)
return -EINVAL;
}
-ssize_t rtrs_srv_stats_rdma_to_str(struct rtrs_srv_stats *stats,
- char *page, size_t len)
+ssize_t rtrs_srv_stats_rdma_to_str(struct rtrs_srv_stats *stats, char *page)
{
struct rtrs_srv_stats_rdma_stats *r = &stats->rdma_stats;
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c b/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
index 20efd44297fb..9c43ce5ba1c1 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
@@ -102,7 +102,7 @@ static ssize_t rtrs_srv_src_addr_show(struct kobject *kobj,
sess = container_of(kobj, struct rtrs_srv_sess, kobj);
cnt = sockaddr_to_str((struct sockaddr *)&sess->s.dst_addr,
page, PAGE_SIZE);
- return cnt + scnprintf(page + cnt, PAGE_SIZE - cnt, "\n");
+ return cnt + sysfs_emit_at(page, cnt, "\n");
}
static struct kobj_attribute rtrs_srv_src_addr_attr =
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index 716ef7b23558..7df71f8cf149 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -803,6 +803,11 @@ static int process_info_req(struct rtrs_srv_con *con,
return err;
}
+ if (strchr(msg->sessname, '/') || strchr(msg->sessname, '.')) {
+ rtrs_err(s, "sessname cannot contain / and .\n");
+ return -EINVAL;
+ }
+
if (exist_sessname(sess->srv->ctx,
msg->sessname, &sess->srv->paths_uuid)) {
rtrs_err(s, "sessname is duplicated: %s\n", msg->sessname);
@@ -1766,6 +1771,7 @@ static struct rtrs_srv_sess *__alloc_sess(struct rtrs_srv *srv,
strscpy(sess->s.sessname, str, sizeof(sess->s.sessname));
sess->s.con_num = con_num;
+ sess->s.irq_con_num = con_num;
sess->s.recon_cnt = recon_cnt;
uuid_copy(&sess->s.uuid, uuid);
spin_lock_init(&sess->state_lock);
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.h b/drivers/infiniband/ulp/rtrs/rtrs-srv.h
index 9d8d2a91a235..7d403c12faf3 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.h
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.h
@@ -136,8 +136,7 @@ static inline void rtrs_srv_update_rdma_stats(struct rtrs_srv_stats *s,
/* functions which are implemented in rtrs-srv-stats.c */
int rtrs_srv_reset_rdma_stats(struct rtrs_srv_stats *stats, bool enable);
-ssize_t rtrs_srv_stats_rdma_to_str(struct rtrs_srv_stats *stats,
- char *page, size_t len);
+ssize_t rtrs_srv_stats_rdma_to_str(struct rtrs_srv_stats *stats, char *page);
int rtrs_srv_reset_all_stats(struct rtrs_srv_stats *stats, bool enable);
ssize_t rtrs_srv_reset_all_help(struct rtrs_srv_stats *stats,
char *page, size_t len);
diff --git a/drivers/infiniband/ulp/rtrs/rtrs.c b/drivers/infiniband/ulp/rtrs/rtrs.c
index ca542e477d38..37952c8e768c 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs.c
@@ -222,13 +222,23 @@ static void qp_event_handler(struct ib_event *ev, void *ctx)
}
}
+static bool is_pollqueue(struct rtrs_con *con)
+{
+ return con->cid >= con->sess->irq_con_num;
+}
+
static int create_cq(struct rtrs_con *con, int cq_vector, int nr_cqe,
enum ib_poll_context poll_ctx)
{
struct rdma_cm_id *cm_id = con->cm_id;
struct ib_cq *cq;
- cq = ib_cq_pool_get(cm_id->device, nr_cqe, cq_vector, poll_ctx);
+ if (is_pollqueue(con))
+ cq = ib_alloc_cq(cm_id->device, con, nr_cqe, cq_vector,
+ poll_ctx);
+ else
+ cq = ib_cq_pool_get(cm_id->device, nr_cqe, cq_vector, poll_ctx);
+
if (IS_ERR(cq)) {
rtrs_err(con->sess, "Creating completion queue failed, errno: %ld\n",
PTR_ERR(cq));
@@ -269,6 +279,17 @@ static int create_qp(struct rtrs_con *con, struct ib_pd *pd,
return ret;
}
+static void destroy_cq(struct rtrs_con *con)
+{
+ if (con->cq) {
+ if (is_pollqueue(con))
+ ib_free_cq(con->cq);
+ else
+ ib_cq_pool_put(con->cq, con->nr_cqe);
+ }
+ con->cq = NULL;
+}
+
int rtrs_cq_qp_create(struct rtrs_sess *sess, struct rtrs_con *con,
u32 max_send_sge, int cq_vector, int nr_cqe,
u32 max_send_wr, u32 max_recv_wr,
@@ -283,8 +304,7 @@ int rtrs_cq_qp_create(struct rtrs_sess *sess, struct rtrs_con *con,
err = create_qp(con, sess->dev->ib_pd, max_send_wr, max_recv_wr,
max_send_sge);
if (err) {
- ib_cq_pool_put(con->cq, con->nr_cqe);
- con->cq = NULL;
+ destroy_cq(con);
return err;
}
con->sess = sess;
@@ -299,10 +319,7 @@ void rtrs_cq_qp_destroy(struct rtrs_con *con)
rdma_destroy_qp(con->cm_id);
con->qp = NULL;
}
- if (con->cq) {
- ib_cq_pool_put(con->cq, con->nr_cqe);
- con->cq = NULL;
- }
+ destroy_cq(con);
}
EXPORT_SYMBOL_GPL(rtrs_cq_qp_destroy);