Merge branches 'bart-srp', 'generic-errors', 'ira-cleanups' and 'mwang-v8' into k.o/for-4.2
diff --git a/drivers/infiniband/core/agent.c b/drivers/infiniband/core/agent.c
index f6d2961..a6fc4d6 100644
--- a/drivers/infiniband/core/agent.c
+++ b/drivers/infiniband/core/agent.c
@@ -156,7 +156,7 @@
goto error1;
}
- if (rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_INFINIBAND) {
+ if (rdma_cap_ib_smi(device, port_num)) {
/* Obtain send only MAD agent for SMI QP */
port_priv->agent[0] = ib_register_mad_agent(device, port_num,
IB_QPT_SMI, NULL, 0,
diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c
index 80f6cf2..08921b3 100644
--- a/drivers/infiniband/core/cache.c
+++ b/drivers/infiniband/core/cache.c
@@ -58,17 +58,6 @@
u8 port_num;
};
-static inline int start_port(struct ib_device *device)
-{
- return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1;
-}
-
-static inline int end_port(struct ib_device *device)
-{
- return (device->node_type == RDMA_NODE_IB_SWITCH) ?
- 0 : device->phys_port_cnt;
-}
-
int ib_get_cached_gid(struct ib_device *device,
u8 port_num,
int index,
@@ -78,12 +67,12 @@
unsigned long flags;
int ret = 0;
- if (port_num < start_port(device) || port_num > end_port(device))
+ if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
- cache = device->cache.gid_cache[port_num - start_port(device)];
+ cache = device->cache.gid_cache[port_num - rdma_start_port(device)];
if (index < 0 || index >= cache->table_len)
ret = -EINVAL;
@@ -112,11 +101,11 @@
read_lock_irqsave(&device->cache.lock, flags);
- for (p = 0; p <= end_port(device) - start_port(device); ++p) {
+ for (p = 0; p <= rdma_end_port(device) - rdma_start_port(device); ++p) {
cache = device->cache.gid_cache[p];
for (i = 0; i < cache->table_len; ++i) {
if (!memcmp(gid, &cache->table[i], sizeof *gid)) {
- *port_num = p + start_port(device);
+ *port_num = p + rdma_start_port(device);
if (index)
*index = i;
ret = 0;
@@ -140,12 +129,12 @@
unsigned long flags;
int ret = 0;
- if (port_num < start_port(device) || port_num > end_port(device))
+ if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
- cache = device->cache.pkey_cache[port_num - start_port(device)];
+ cache = device->cache.pkey_cache[port_num - rdma_start_port(device)];
if (index < 0 || index >= cache->table_len)
ret = -EINVAL;
@@ -169,12 +158,12 @@
int ret = -ENOENT;
int partial_ix = -1;
- if (port_num < start_port(device) || port_num > end_port(device))
+ if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
- cache = device->cache.pkey_cache[port_num - start_port(device)];
+ cache = device->cache.pkey_cache[port_num - rdma_start_port(device)];
*index = -1;
@@ -209,12 +198,12 @@
int i;
int ret = -ENOENT;
- if (port_num < start_port(device) || port_num > end_port(device))
+ if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
- cache = device->cache.pkey_cache[port_num - start_port(device)];
+ cache = device->cache.pkey_cache[port_num - rdma_start_port(device)];
*index = -1;
@@ -238,11 +227,11 @@
unsigned long flags;
int ret = 0;
- if (port_num < start_port(device) || port_num > end_port(device))
+ if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
- *lmc = device->cache.lmc_cache[port_num - start_port(device)];
+ *lmc = device->cache.lmc_cache[port_num - rdma_start_port(device)];
read_unlock_irqrestore(&device->cache.lock, flags);
return ret;
@@ -303,13 +292,13 @@
write_lock_irq(&device->cache.lock);
- old_pkey_cache = device->cache.pkey_cache[port - start_port(device)];
- old_gid_cache = device->cache.gid_cache [port - start_port(device)];
+ old_pkey_cache = device->cache.pkey_cache[port - rdma_start_port(device)];
+ old_gid_cache = device->cache.gid_cache [port - rdma_start_port(device)];
- device->cache.pkey_cache[port - start_port(device)] = pkey_cache;
- device->cache.gid_cache [port - start_port(device)] = gid_cache;
+ device->cache.pkey_cache[port - rdma_start_port(device)] = pkey_cache;
+ device->cache.gid_cache [port - rdma_start_port(device)] = gid_cache;
- device->cache.lmc_cache[port - start_port(device)] = tprops->lmc;
+ device->cache.lmc_cache[port - rdma_start_port(device)] = tprops->lmc;
write_unlock_irq(&device->cache.lock);
@@ -363,14 +352,14 @@
device->cache.pkey_cache =
kmalloc(sizeof *device->cache.pkey_cache *
- (end_port(device) - start_port(device) + 1), GFP_KERNEL);
+ (rdma_end_port(device) - rdma_start_port(device) + 1), GFP_KERNEL);
device->cache.gid_cache =
kmalloc(sizeof *device->cache.gid_cache *
- (end_port(device) - start_port(device) + 1), GFP_KERNEL);
+ (rdma_end_port(device) - rdma_start_port(device) + 1), GFP_KERNEL);
device->cache.lmc_cache = kmalloc(sizeof *device->cache.lmc_cache *
- (end_port(device) -
- start_port(device) + 1),
+ (rdma_end_port(device) -
+ rdma_start_port(device) + 1),
GFP_KERNEL);
if (!device->cache.pkey_cache || !device->cache.gid_cache ||
@@ -380,10 +369,10 @@
goto err;
}
- for (p = 0; p <= end_port(device) - start_port(device); ++p) {
+ for (p = 0; p <= rdma_end_port(device) - rdma_start_port(device); ++p) {
device->cache.pkey_cache[p] = NULL;
device->cache.gid_cache [p] = NULL;
- ib_cache_update(device, p + start_port(device));
+ ib_cache_update(device, p + rdma_start_port(device));
}
INIT_IB_EVENT_HANDLER(&device->cache.event_handler,
@@ -394,7 +383,7 @@
return;
err_cache:
- for (p = 0; p <= end_port(device) - start_port(device); ++p) {
+ for (p = 0; p <= rdma_end_port(device) - rdma_start_port(device); ++p) {
kfree(device->cache.pkey_cache[p]);
kfree(device->cache.gid_cache[p]);
}
@@ -412,7 +401,7 @@
ib_unregister_event_handler(&device->cache.event_handler);
flush_workqueue(ib_wq);
- for (p = 0; p <= end_port(device) - start_port(device); ++p) {
+ for (p = 0; p <= rdma_end_port(device) - rdma_start_port(device); ++p) {
kfree(device->cache.pkey_cache[p]);
kfree(device->cache.gid_cache[p]);
}
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 0c14191..14423c2 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3759,11 +3759,9 @@
};
unsigned long flags;
int ret;
+ int count = 0;
u8 i;
- if (rdma_node_get_transport(ib_device->node_type) != RDMA_TRANSPORT_IB)
- return;
-
cm_dev = kzalloc(sizeof(*cm_dev) + sizeof(*port) *
ib_device->phys_port_cnt, GFP_KERNEL);
if (!cm_dev)
@@ -3782,6 +3780,9 @@
set_bit(IB_MGMT_METHOD_SEND, reg_req.method_mask);
for (i = 1; i <= ib_device->phys_port_cnt; i++) {
+ if (!rdma_cap_ib_cm(ib_device, i))
+ continue;
+
port = kzalloc(sizeof *port, GFP_KERNEL);
if (!port)
goto error1;
@@ -3808,7 +3809,13 @@
ret = ib_modify_port(ib_device, i, 0, &port_modify);
if (ret)
goto error3;
+
+ count++;
}
+
+ if (!count)
+ goto free;
+
ib_set_client_data(ib_device, &cm_client, cm_dev);
write_lock_irqsave(&cm.device_lock, flags);
@@ -3824,11 +3831,15 @@
port_modify.set_port_cap_mask = 0;
port_modify.clr_port_cap_mask = IB_PORT_CM_SUP;
while (--i) {
+ if (!rdma_cap_ib_cm(ib_device, i))
+ continue;
+
port = cm_dev->port[i-1];
ib_modify_port(ib_device, port->port_num, 0, &port_modify);
ib_unregister_mad_agent(port->mad_agent);
cm_remove_port_fs(port);
}
+free:
device_unregister(cm_dev->device);
kfree(cm_dev);
}
@@ -3852,6 +3863,9 @@
write_unlock_irqrestore(&cm.device_lock, flags);
for (i = 1; i <= ib_device->phys_port_cnt; i++) {
+ if (!rdma_cap_ib_cm(ib_device, i))
+ continue;
+
port = cm_dev->port[i-1];
ib_modify_port(ib_device, port->port_num, 0, &port_modify);
ib_unregister_mad_agent(port->mad_agent);
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 06441a4..c34d650 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -65,6 +65,34 @@
#define CMA_CM_MRA_SETTING (IB_CM_MRA_FLAG_DELAY | 24)
#define CMA_IBOE_PACKET_LIFETIME 18
+static const char * const cma_events[] = {
+ [RDMA_CM_EVENT_ADDR_RESOLVED] = "address resolved",
+ [RDMA_CM_EVENT_ADDR_ERROR] = "address error",
+ [RDMA_CM_EVENT_ROUTE_RESOLVED] = "route resolved ",
+ [RDMA_CM_EVENT_ROUTE_ERROR] = "route error",
+ [RDMA_CM_EVENT_CONNECT_REQUEST] = "connect request",
+ [RDMA_CM_EVENT_CONNECT_RESPONSE] = "connect response",
+ [RDMA_CM_EVENT_CONNECT_ERROR] = "connect error",
+ [RDMA_CM_EVENT_UNREACHABLE] = "unreachable",
+ [RDMA_CM_EVENT_REJECTED] = "rejected",
+ [RDMA_CM_EVENT_ESTABLISHED] = "established",
+ [RDMA_CM_EVENT_DISCONNECTED] = "disconnected",
+ [RDMA_CM_EVENT_DEVICE_REMOVAL] = "device removal",
+ [RDMA_CM_EVENT_MULTICAST_JOIN] = "multicast join",
+ [RDMA_CM_EVENT_MULTICAST_ERROR] = "multicast error",
+ [RDMA_CM_EVENT_ADDR_CHANGE] = "address change",
+ [RDMA_CM_EVENT_TIMEWAIT_EXIT] = "timewait exit",
+};
+
+const char *rdma_event_msg(enum rdma_cm_event_type event)
+{
+ size_t index = event;
+
+ return (index < ARRAY_SIZE(cma_events) && cma_events[index]) ?
+ cma_events[index] : "unrecognized event";
+}
+EXPORT_SYMBOL(rdma_event_msg);
+
static void cma_add_one(struct ib_device *device);
static void cma_remove_one(struct ib_device *device);
@@ -349,18 +377,35 @@
return ret;
}
+static inline int cma_validate_port(struct ib_device *device, u8 port,
+ union ib_gid *gid, int dev_type)
+{
+ u8 found_port;
+ int ret = -ENODEV;
+
+ if ((dev_type == ARPHRD_INFINIBAND) && !rdma_protocol_ib(device, port))
+ return ret;
+
+ if ((dev_type != ARPHRD_INFINIBAND) && rdma_protocol_ib(device, port))
+ return ret;
+
+ ret = ib_find_cached_gid(device, gid, &found_port, NULL);
+ if (port != found_port)
+ return -ENODEV;
+
+ return ret;
+}
+
static int cma_acquire_dev(struct rdma_id_private *id_priv,
struct rdma_id_private *listen_id_priv)
{
struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr;
struct cma_device *cma_dev;
- union ib_gid gid, iboe_gid;
+ union ib_gid gid, iboe_gid, *gidp;
int ret = -ENODEV;
- u8 port, found_port;
- enum rdma_link_layer dev_ll = dev_addr->dev_type == ARPHRD_INFINIBAND ?
- IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET;
+ u8 port;
- if (dev_ll != IB_LINK_LAYER_INFINIBAND &&
+ if (dev_addr->dev_type != ARPHRD_INFINIBAND &&
id_priv->id.ps == RDMA_PS_IPOIB)
return -EINVAL;
@@ -370,41 +415,36 @@
memcpy(&gid, dev_addr->src_dev_addr +
rdma_addr_gid_offset(dev_addr), sizeof gid);
- if (listen_id_priv &&
- rdma_port_get_link_layer(listen_id_priv->id.device,
- listen_id_priv->id.port_num) == dev_ll) {
+
+ if (listen_id_priv) {
cma_dev = listen_id_priv->cma_dev;
port = listen_id_priv->id.port_num;
- if (rdma_node_get_transport(cma_dev->device->node_type) == RDMA_TRANSPORT_IB &&
- rdma_port_get_link_layer(cma_dev->device, port) == IB_LINK_LAYER_ETHERNET)
- ret = ib_find_cached_gid(cma_dev->device, &iboe_gid,
- &found_port, NULL);
- else
- ret = ib_find_cached_gid(cma_dev->device, &gid,
- &found_port, NULL);
+ gidp = rdma_protocol_roce(cma_dev->device, port) ?
+ &iboe_gid : &gid;
- if (!ret && (port == found_port)) {
- id_priv->id.port_num = found_port;
+ ret = cma_validate_port(cma_dev->device, port, gidp,
+ dev_addr->dev_type);
+ if (!ret) {
+ id_priv->id.port_num = port;
goto out;
}
}
+
list_for_each_entry(cma_dev, &dev_list, list) {
for (port = 1; port <= cma_dev->device->phys_port_cnt; ++port) {
if (listen_id_priv &&
listen_id_priv->cma_dev == cma_dev &&
listen_id_priv->id.port_num == port)
continue;
- if (rdma_port_get_link_layer(cma_dev->device, port) == dev_ll) {
- if (rdma_node_get_transport(cma_dev->device->node_type) == RDMA_TRANSPORT_IB &&
- rdma_port_get_link_layer(cma_dev->device, port) == IB_LINK_LAYER_ETHERNET)
- ret = ib_find_cached_gid(cma_dev->device, &iboe_gid, &found_port, NULL);
- else
- ret = ib_find_cached_gid(cma_dev->device, &gid, &found_port, NULL);
- if (!ret && (port == found_port)) {
- id_priv->id.port_num = found_port;
- goto out;
- }
+ gidp = rdma_protocol_roce(cma_dev->device, port) ?
+ &iboe_gid : &gid;
+
+ ret = cma_validate_port(cma_dev->device, port, gidp,
+ dev_addr->dev_type);
+ if (!ret) {
+ id_priv->id.port_num = port;
+ goto out;
}
}
}
@@ -435,10 +475,10 @@
pkey = ntohs(addr->sib_pkey);
list_for_each_entry(cur_dev, &dev_list, list) {
- if (rdma_node_get_transport(cur_dev->device->node_type) != RDMA_TRANSPORT_IB)
- continue;
-
for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
+ if (!rdma_cap_af_ib(cur_dev->device, p))
+ continue;
+
if (ib_find_cached_pkey(cur_dev->device, p, pkey, &index))
continue;
@@ -633,10 +673,9 @@
if (ret)
goto out;
- if (rdma_node_get_transport(id_priv->cma_dev->device->node_type)
- == RDMA_TRANSPORT_IB &&
- rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num)
- == IB_LINK_LAYER_ETHERNET) {
+ BUG_ON(id_priv->cma_dev->device != id_priv->id.device);
+
+ if (rdma_protocol_roce(id_priv->id.device, id_priv->id.port_num)) {
ret = rdma_addr_find_smac_by_sgid(&sgid, qp_attr.smac, NULL);
if (ret)
@@ -700,11 +739,10 @@
int ret;
u16 pkey;
- if (rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num) ==
- IB_LINK_LAYER_INFINIBAND)
- pkey = ib_addr_get_pkey(dev_addr);
- else
+ if (rdma_cap_eth_ah(id_priv->id.device, id_priv->id.port_num))
pkey = 0xffff;
+ else
+ pkey = ib_addr_get_pkey(dev_addr);
ret = ib_find_cached_pkey(id_priv->id.device, id_priv->id.port_num,
pkey, &qp_attr->pkey_index);
@@ -735,8 +773,7 @@
int ret = 0;
id_priv = container_of(id, struct rdma_id_private, id);
- switch (rdma_node_get_transport(id_priv->id.device->node_type)) {
- case RDMA_TRANSPORT_IB:
+ if (rdma_cap_ib_cm(id->device, id->port_num)) {
if (!id_priv->cm_id.ib || (id_priv->id.qp_type == IB_QPT_UD))
ret = cma_ib_init_qp_attr(id_priv, qp_attr, qp_attr_mask);
else
@@ -745,19 +782,15 @@
if (qp_attr->qp_state == IB_QPS_RTR)
qp_attr->rq_psn = id_priv->seq_num;
- break;
- case RDMA_TRANSPORT_IWARP:
+ } else if (rdma_cap_iw_cm(id->device, id->port_num)) {
if (!id_priv->cm_id.iw) {
qp_attr->qp_access_flags = 0;
*qp_attr_mask = IB_QP_STATE | IB_QP_ACCESS_FLAGS;
} else
ret = iw_cm_init_qp_attr(id_priv->cm_id.iw, qp_attr,
qp_attr_mask);
- break;
- default:
+ } else
ret = -ENOSYS;
- break;
- }
return ret;
}
@@ -935,13 +968,9 @@
static void cma_cancel_route(struct rdma_id_private *id_priv)
{
- switch (rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
+ if (rdma_cap_ib_sa(id_priv->id.device, id_priv->id.port_num)) {
if (id_priv->query)
ib_sa_cancel_query(id_priv->query_id, id_priv->query);
- break;
- default:
- break;
}
}
@@ -1013,17 +1042,12 @@
mc = container_of(id_priv->mc_list.next,
struct cma_multicast, list);
list_del(&mc->list);
- switch (rdma_port_get_link_layer(id_priv->cma_dev->device, id_priv->id.port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
+ if (rdma_cap_ib_mcast(id_priv->cma_dev->device,
+ id_priv->id.port_num)) {
ib_sa_free_multicast(mc->multicast.ib);
kfree(mc);
- break;
- case IB_LINK_LAYER_ETHERNET:
+ } else
kref_put(&mc->mcref, release_mc);
- break;
- default:
- break;
- }
}
}
@@ -1044,17 +1068,12 @@
mutex_unlock(&id_priv->handler_mutex);
if (id_priv->cma_dev) {
- switch (rdma_node_get_transport(id_priv->id.device->node_type)) {
- case RDMA_TRANSPORT_IB:
+ if (rdma_cap_ib_cm(id_priv->id.device, 1)) {
if (id_priv->cm_id.ib)
ib_destroy_cm_id(id_priv->cm_id.ib);
- break;
- case RDMA_TRANSPORT_IWARP:
+ } else if (rdma_cap_iw_cm(id_priv->id.device, 1)) {
if (id_priv->cm_id.iw)
iw_destroy_cm_id(id_priv->cm_id.iw);
- break;
- default:
- break;
}
cma_leave_mc_groups(id_priv);
cma_release_dev(id_priv);
@@ -1632,8 +1651,7 @@
struct rdma_cm_id *id;
int ret;
- if (cma_family(id_priv) == AF_IB &&
- rdma_node_get_transport(cma_dev->device->node_type) != RDMA_TRANSPORT_IB)
+ if (cma_family(id_priv) == AF_IB && !rdma_cap_ib_cm(cma_dev->device, 1))
return;
id = rdma_create_id(cma_listen_handler, id_priv, id_priv->id.ps,
@@ -1974,26 +1992,15 @@
return -EINVAL;
atomic_inc(&id_priv->refcount);
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
- switch (rdma_port_get_link_layer(id->device, id->port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
- ret = cma_resolve_ib_route(id_priv, timeout_ms);
- break;
- case IB_LINK_LAYER_ETHERNET:
- ret = cma_resolve_iboe_route(id_priv);
- break;
- default:
- ret = -ENOSYS;
- }
- break;
- case RDMA_TRANSPORT_IWARP:
+ if (rdma_cap_ib_sa(id->device, id->port_num))
+ ret = cma_resolve_ib_route(id_priv, timeout_ms);
+ else if (rdma_protocol_roce(id->device, id->port_num))
+ ret = cma_resolve_iboe_route(id_priv);
+ else if (rdma_protocol_iwarp(id->device, id->port_num))
ret = cma_resolve_iw_route(id_priv, timeout_ms);
- break;
- default:
+ else
ret = -ENOSYS;
- break;
- }
+
if (ret)
goto err;
@@ -2035,7 +2042,7 @@
mutex_lock(&lock);
list_for_each_entry(cur_dev, &dev_list, list) {
if (cma_family(id_priv) == AF_IB &&
- rdma_node_get_transport(cur_dev->device->node_type) != RDMA_TRANSPORT_IB)
+ !rdma_cap_ib_cm(cur_dev->device, 1))
continue;
if (!cma_dev)
@@ -2067,7 +2074,7 @@
goto out;
id_priv->id.route.addr.dev_addr.dev_type =
- (rdma_port_get_link_layer(cma_dev->device, p) == IB_LINK_LAYER_INFINIBAND) ?
+ (rdma_protocol_ib(cma_dev->device, p)) ?
ARPHRD_INFINIBAND : ARPHRD_ETHER;
rdma_addr_set_sgid(&id_priv->id.route.addr.dev_addr, &gid);
@@ -2544,18 +2551,15 @@
id_priv->backlog = backlog;
if (id->device) {
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
+ if (rdma_cap_ib_cm(id->device, 1)) {
ret = cma_ib_listen(id_priv);
if (ret)
goto err;
- break;
- case RDMA_TRANSPORT_IWARP:
+ } else if (rdma_cap_iw_cm(id->device, 1)) {
ret = cma_iw_listen(id_priv, backlog);
if (ret)
goto err;
- break;
- default:
+ } else {
ret = -ENOSYS;
goto err;
}
@@ -2891,20 +2895,15 @@
id_priv->srq = conn_param->srq;
}
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
+ if (rdma_cap_ib_cm(id->device, id->port_num)) {
if (id->qp_type == IB_QPT_UD)
ret = cma_resolve_ib_udp(id_priv, conn_param);
else
ret = cma_connect_ib(id_priv, conn_param);
- break;
- case RDMA_TRANSPORT_IWARP:
+ } else if (rdma_cap_iw_cm(id->device, id->port_num))
ret = cma_connect_iw(id_priv, conn_param);
- break;
- default:
+ else
ret = -ENOSYS;
- break;
- }
if (ret)
goto err;
@@ -3007,8 +3006,7 @@
id_priv->srq = conn_param->srq;
}
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
+ if (rdma_cap_ib_cm(id->device, id->port_num)) {
if (id->qp_type == IB_QPT_UD) {
if (conn_param)
ret = cma_send_sidr_rep(id_priv, IB_SIDR_SUCCESS,
@@ -3024,14 +3022,10 @@
else
ret = cma_rep_recv(id_priv);
}
- break;
- case RDMA_TRANSPORT_IWARP:
+ } else if (rdma_cap_iw_cm(id->device, id->port_num))
ret = cma_accept_iw(id_priv, conn_param);
- break;
- default:
+ else
ret = -ENOSYS;
- break;
- }
if (ret)
goto reject;
@@ -3075,8 +3069,7 @@
if (!id_priv->cm_id.ib)
return -EINVAL;
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
+ if (rdma_cap_ib_cm(id->device, id->port_num)) {
if (id->qp_type == IB_QPT_UD)
ret = cma_send_sidr_rep(id_priv, IB_SIDR_REJECT, 0,
private_data, private_data_len);
@@ -3084,15 +3077,12 @@
ret = ib_send_cm_rej(id_priv->cm_id.ib,
IB_CM_REJ_CONSUMER_DEFINED, NULL,
0, private_data, private_data_len);
- break;
- case RDMA_TRANSPORT_IWARP:
+ } else if (rdma_cap_iw_cm(id->device, id->port_num)) {
ret = iw_cm_reject(id_priv->cm_id.iw,
private_data, private_data_len);
- break;
- default:
+ } else
ret = -ENOSYS;
- break;
- }
+
return ret;
}
EXPORT_SYMBOL(rdma_reject);
@@ -3106,22 +3096,18 @@
if (!id_priv->cm_id.ib)
return -EINVAL;
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
+ if (rdma_cap_ib_cm(id->device, id->port_num)) {
ret = cma_modify_qp_err(id_priv);
if (ret)
goto out;
/* Initiate or respond to a disconnect. */
if (ib_send_cm_dreq(id_priv->cm_id.ib, NULL, 0))
ib_send_cm_drep(id_priv->cm_id.ib, NULL, 0);
- break;
- case RDMA_TRANSPORT_IWARP:
+ } else if (rdma_cap_iw_cm(id->device, id->port_num)) {
ret = iw_cm_disconnect(id_priv->cm_id.iw, 0);
- break;
- default:
+ } else
ret = -EINVAL;
- break;
- }
+
out:
return ret;
}
@@ -3367,24 +3353,13 @@
list_add(&mc->list, &id_priv->mc_list);
spin_unlock(&id_priv->lock);
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
- switch (rdma_port_get_link_layer(id->device, id->port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
- ret = cma_join_ib_multicast(id_priv, mc);
- break;
- case IB_LINK_LAYER_ETHERNET:
- kref_init(&mc->mcref);
- ret = cma_iboe_join_multicast(id_priv, mc);
- break;
- default:
- ret = -EINVAL;
- }
- break;
- default:
+ if (rdma_protocol_roce(id->device, id->port_num)) {
+ kref_init(&mc->mcref);
+ ret = cma_iboe_join_multicast(id_priv, mc);
+ } else if (rdma_cap_ib_mcast(id->device, id->port_num))
+ ret = cma_join_ib_multicast(id_priv, mc);
+ else
ret = -ENOSYS;
- break;
- }
if (ret) {
spin_lock_irq(&id_priv->lock);
@@ -3412,19 +3387,15 @@
ib_detach_mcast(id->qp,
&mc->multicast.ib->rec.mgid,
be16_to_cpu(mc->multicast.ib->rec.mlid));
- if (rdma_node_get_transport(id_priv->cma_dev->device->node_type) == RDMA_TRANSPORT_IB) {
- switch (rdma_port_get_link_layer(id->device, id->port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
- ib_sa_free_multicast(mc->multicast.ib);
- kfree(mc);
- break;
- case IB_LINK_LAYER_ETHERNET:
- kref_put(&mc->mcref, release_mc);
- break;
- default:
- break;
- }
- }
+
+ BUG_ON(id_priv->cma_dev->device != id->device);
+
+ if (rdma_cap_ib_mcast(id->device, id->port_num)) {
+ ib_sa_free_multicast(mc->multicast.ib);
+ kfree(mc);
+ } else if (rdma_protocol_roce(id->device, id->port_num))
+ kref_put(&mc->mcref, release_mc);
+
return;
}
}
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 18c1ece..8d07c12 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -92,7 +92,8 @@
IB_MANDATORY_FUNC(poll_cq),
IB_MANDATORY_FUNC(req_notify_cq),
IB_MANDATORY_FUNC(get_dma_mr),
- IB_MANDATORY_FUNC(dereg_mr)
+ IB_MANDATORY_FUNC(dereg_mr),
+ IB_MANDATORY_FUNC(get_port_immutable)
};
int i;
@@ -151,18 +152,6 @@
return 0;
}
-static int start_port(struct ib_device *device)
-{
- return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1;
-}
-
-
-static int end_port(struct ib_device *device)
-{
- return (device->node_type == RDMA_NODE_IB_SWITCH) ?
- 0 : device->phys_port_cnt;
-}
-
/**
* ib_alloc_device - allocate an IB device struct
* @size:size of structure to allocate
@@ -222,42 +211,38 @@
return 0;
}
-static int read_port_table_lengths(struct ib_device *device)
+static int read_port_immutable(struct ib_device *device)
{
- struct ib_port_attr *tprops = NULL;
- int num_ports, ret = -ENOMEM;
- u8 port_index;
+ int ret = -ENOMEM;
+ u8 start_port = rdma_start_port(device);
+ u8 end_port = rdma_end_port(device);
+ u8 port;
- tprops = kmalloc(sizeof *tprops, GFP_KERNEL);
- if (!tprops)
- goto out;
-
- num_ports = end_port(device) - start_port(device) + 1;
-
- device->pkey_tbl_len = kmalloc(sizeof *device->pkey_tbl_len * num_ports,
- GFP_KERNEL);
- device->gid_tbl_len = kmalloc(sizeof *device->gid_tbl_len * num_ports,
- GFP_KERNEL);
- if (!device->pkey_tbl_len || !device->gid_tbl_len)
+ /**
+ * device->port_immutable is indexed directly by the port number to make
+ * access to this data as efficient as possible.
+ *
+ * Therefore port_immutable is declared as a 1 based array with
+ * potential empty slots at the beginning.
+ */
+ device->port_immutable = kzalloc(sizeof(*device->port_immutable)
+ * (end_port + 1),
+ GFP_KERNEL);
+ if (!device->port_immutable)
goto err;
- for (port_index = 0; port_index < num_ports; ++port_index) {
- ret = ib_query_port(device, port_index + start_port(device),
- tprops);
+ for (port = start_port; port <= end_port; ++port) {
+ ret = device->get_port_immutable(device, port,
+ &device->port_immutable[port]);
if (ret)
goto err;
- device->pkey_tbl_len[port_index] = tprops->pkey_tbl_len;
- device->gid_tbl_len[port_index] = tprops->gid_tbl_len;
}
ret = 0;
goto out;
-
err:
- kfree(device->gid_tbl_len);
- kfree(device->pkey_tbl_len);
+ kfree(device->port_immutable);
out:
- kfree(tprops);
return ret;
}
@@ -294,9 +279,9 @@
spin_lock_init(&device->event_handler_lock);
spin_lock_init(&device->client_data_lock);
- ret = read_port_table_lengths(device);
+ ret = read_port_immutable(device);
if (ret) {
- printk(KERN_WARNING "Couldn't create table lengths cache for device %s\n",
+ printk(KERN_WARNING "Couldn't create per port immutable data %s\n",
device->name);
goto out;
}
@@ -305,8 +290,7 @@
if (ret) {
printk(KERN_WARNING "Couldn't register device %s with driver model\n",
device->name);
- kfree(device->gid_tbl_len);
- kfree(device->pkey_tbl_len);
+ kfree(device->port_immutable);
goto out;
}
@@ -348,9 +332,6 @@
list_del(&device->core_list);
- kfree(device->gid_tbl_len);
- kfree(device->pkey_tbl_len);
-
mutex_unlock(&device_mutex);
ib_device_unregister_sysfs(device);
@@ -575,7 +556,7 @@
u8 port_num,
struct ib_port_attr *port_attr)
{
- if (port_num < start_port(device) || port_num > end_port(device))
+ if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
return -EINVAL;
return device->query_port(device, port_num, port_attr);
@@ -653,7 +634,7 @@
if (!device->modify_port)
return -ENOSYS;
- if (port_num < start_port(device) || port_num > end_port(device))
+ if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
return -EINVAL;
return device->modify_port(device, port_num, port_modify_mask,
@@ -676,8 +657,8 @@
union ib_gid tmp_gid;
int ret, port, i;
- for (port = start_port(device); port <= end_port(device); ++port) {
- for (i = 0; i < device->gid_tbl_len[port - start_port(device)]; ++i) {
+ for (port = rdma_start_port(device); port <= rdma_end_port(device); ++port) {
+ for (i = 0; i < device->port_immutable[port].gid_tbl_len; ++i) {
ret = ib_query_gid(device, port, i, &tmp_gid);
if (ret)
return ret;
@@ -709,7 +690,7 @@
u16 tmp_pkey;
int partial_ix = -1;
- for (i = 0; i < device->pkey_tbl_len[port_num - start_port(device)]; ++i) {
+ for (i = 0; i < device->port_immutable[port_num].pkey_tbl_len; ++i) {
ret = ib_query_pkey(device, port_num, i, &tmp_pkey);
if (ret)
return ret;
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 87e222e..600af26 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -2939,7 +2939,7 @@
init_mad_qp(port_priv, &port_priv->qp_info[1]);
cq_size = mad_sendq_size + mad_recvq_size;
- has_smi = rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_INFINIBAND;
+ has_smi = rdma_cap_ib_smi(device, port_num);
if (has_smi)
cq_size *= 2;
@@ -3058,9 +3058,6 @@
{
int start, end, i;
- if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
- return;
-
if (device->node_type == RDMA_NODE_IB_SWITCH) {
start = 0;
end = 0;
@@ -3070,6 +3067,9 @@
}
for (i = start; i <= end; i++) {
+ if (!rdma_cap_ib_mad(device, i))
+ continue;
+
if (ib_mad_port_open(device, i)) {
dev_err(&device->dev, "Couldn't open port %d\n", i);
goto error;
@@ -3087,40 +3087,39 @@
dev_err(&device->dev, "Couldn't close port %d\n", i);
error:
- i--;
+ while (--i >= start) {
+ if (!rdma_cap_ib_mad(device, i))
+ continue;
- while (i >= start) {
if (ib_agent_port_close(device, i))
dev_err(&device->dev,
"Couldn't close port %d for agents\n", i);
if (ib_mad_port_close(device, i))
dev_err(&device->dev, "Couldn't close port %d\n", i);
- i--;
}
}
static void ib_mad_remove_device(struct ib_device *device)
{
- int i, num_ports, cur_port;
-
- if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
- return;
+ int start, end, i;
if (device->node_type == RDMA_NODE_IB_SWITCH) {
- num_ports = 1;
- cur_port = 0;
+ start = 0;
+ end = 0;
} else {
- num_ports = device->phys_port_cnt;
- cur_port = 1;
+ start = 1;
+ end = device->phys_port_cnt;
}
- for (i = 0; i < num_ports; i++, cur_port++) {
- if (ib_agent_port_close(device, cur_port))
+
+ for (i = start; i <= end; i++) {
+ if (!rdma_cap_ib_mad(device, i))
+ continue;
+
+ if (ib_agent_port_close(device, i))
dev_err(&device->dev,
- "Couldn't close port %d for agents\n",
- cur_port);
- if (ib_mad_port_close(device, cur_port))
- dev_err(&device->dev, "Couldn't close port %d\n",
- cur_port);
+ "Couldn't close port %d for agents\n", i);
+ if (ib_mad_port_close(device, i))
+ dev_err(&device->dev, "Couldn't close port %d\n", i);
}
}
diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c
index fa17b55..605f20a 100644
--- a/drivers/infiniband/core/multicast.c
+++ b/drivers/infiniband/core/multicast.c
@@ -780,8 +780,7 @@
int index;
dev = container_of(handler, struct mcast_device, event_handler);
- if (rdma_port_get_link_layer(dev->device, event->element.port_num) !=
- IB_LINK_LAYER_INFINIBAND)
+ if (WARN_ON(!rdma_cap_ib_mcast(dev->device, event->element.port_num)))
return;
index = event->element.port_num - dev->start_port;
@@ -808,9 +807,6 @@
int i;
int count = 0;
- if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
- return;
-
dev = kmalloc(sizeof *dev + device->phys_port_cnt * sizeof *port,
GFP_KERNEL);
if (!dev)
@@ -824,8 +820,7 @@
}
for (i = 0; i <= dev->end_port - dev->start_port; i++) {
- if (rdma_port_get_link_layer(device, dev->start_port + i) !=
- IB_LINK_LAYER_INFINIBAND)
+ if (!rdma_cap_ib_mcast(device, dev->start_port + i))
continue;
port = &dev->port[i];
port->dev = dev;
@@ -863,8 +858,7 @@
flush_workqueue(mcast_wq);
for (i = 0; i <= dev->end_port - dev->start_port; i++) {
- if (rdma_port_get_link_layer(device, dev->start_port + i) ==
- IB_LINK_LAYER_INFINIBAND) {
+ if (rdma_cap_ib_mcast(device, dev->start_port + i)) {
port = &dev->port[i];
deref_port(port);
wait_for_completion(&port->comp);
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index c38f030..7f7c8c9 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -450,7 +450,7 @@
struct ib_sa_port *port =
&sa_dev->port[event->element.port_num - sa_dev->start_port];
- if (rdma_port_get_link_layer(handler->device, port->port_num) != IB_LINK_LAYER_INFINIBAND)
+ if (WARN_ON(!rdma_cap_ib_sa(handler->device, port->port_num)))
return;
spin_lock_irqsave(&port->ah_lock, flags);
@@ -540,7 +540,7 @@
ah_attr->port_num = port_num;
ah_attr->static_rate = rec->rate;
- force_grh = rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_ETHERNET;
+ force_grh = rdma_cap_eth_ah(device, port_num);
if (rec->hop_limit > 1 || force_grh) {
ah_attr->ah_flags = IB_AH_GRH;
@@ -1153,9 +1153,7 @@
{
struct ib_sa_device *sa_dev;
int s, e, i;
-
- if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
- return;
+ int count = 0;
if (device->node_type == RDMA_NODE_IB_SWITCH)
s = e = 0;
@@ -1175,7 +1173,7 @@
for (i = 0; i <= e - s; ++i) {
spin_lock_init(&sa_dev->port[i].ah_lock);
- if (rdma_port_get_link_layer(device, i + 1) != IB_LINK_LAYER_INFINIBAND)
+ if (!rdma_cap_ib_sa(device, i + 1))
continue;
sa_dev->port[i].sm_ah = NULL;
@@ -1189,8 +1187,13 @@
goto err;
INIT_WORK(&sa_dev->port[i].update_task, update_sm_ah);
+
+ count++;
}
+ if (!count)
+ goto free;
+
ib_set_client_data(device, &sa_client, sa_dev);
/*
@@ -1204,19 +1207,20 @@
if (ib_register_event_handler(&sa_dev->event_handler))
goto err;
- for (i = 0; i <= e - s; ++i)
- if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND)
+ for (i = 0; i <= e - s; ++i) {
+ if (rdma_cap_ib_sa(device, i + 1))
update_sm_ah(&sa_dev->port[i].update_task);
+ }
return;
err:
- while (--i >= 0)
- if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND)
+ while (--i >= 0) {
+ if (rdma_cap_ib_sa(device, i + 1))
ib_unregister_mad_agent(sa_dev->port[i].agent);
-
+ }
+free:
kfree(sa_dev);
-
return;
}
@@ -1233,7 +1237,7 @@
flush_workqueue(ib_wq);
for (i = 0; i <= sa_dev->end_port - sa_dev->start_port; ++i) {
- if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND) {
+ if (rdma_cap_ib_sa(device, i + 1)) {
ib_unregister_mad_agent(sa_dev->port[i].agent);
if (sa_dev->port[i].sm_ah)
kref_put(&sa_dev->port[i].sm_ah->ref, free_sm_ah);
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index cbd0383..d0334c1 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -456,6 +456,7 @@
{
struct ib_device *dev = container_of(device, struct ib_device, dev);
+ kfree(dev->port_immutable);
kfree(dev);
}
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index f2f6393..62c24b1 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -1253,8 +1253,7 @@
dev_t base;
struct ib_ucm_device *ucm_dev;
- if (!device->alloc_ucontext ||
- rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+ if (!device->alloc_ucontext || !rdma_cap_ib_cm(device, 1))
return;
ucm_dev = kzalloc(sizeof *ucm_dev, GFP_KERNEL);
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 45d67e9..ad45469 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -722,26 +722,13 @@
resp.node_guid = (__force __u64) ctx->cm_id->device->node_guid;
resp.port_num = ctx->cm_id->port_num;
- switch (rdma_node_get_transport(ctx->cm_id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
- switch (rdma_port_get_link_layer(ctx->cm_id->device,
- ctx->cm_id->port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
- ucma_copy_ib_route(&resp, &ctx->cm_id->route);
- break;
- case IB_LINK_LAYER_ETHERNET:
- ucma_copy_iboe_route(&resp, &ctx->cm_id->route);
- break;
- default:
- break;
- }
- break;
- case RDMA_TRANSPORT_IWARP:
+
+ if (rdma_cap_ib_sa(ctx->cm_id->device, ctx->cm_id->port_num))
+ ucma_copy_ib_route(&resp, &ctx->cm_id->route);
+ else if (rdma_protocol_roce(ctx->cm_id->device, ctx->cm_id->port_num))
+ ucma_copy_iboe_route(&resp, &ctx->cm_id->route);
+ else if (rdma_protocol_iwarp(ctx->cm_id->device, ctx->cm_id->port_num))
ucma_copy_iw_route(&resp, &ctx->cm_id->route);
- break;
- default:
- break;
- }
out:
if (copy_to_user((void __user *)(unsigned long)cmd.response,
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index 66b5217..e58d701 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -99,7 +99,6 @@
};
struct ib_umad_device {
- int start_port, end_port;
struct kobject kobj;
struct ib_umad_port port[0];
};
@@ -1273,16 +1272,10 @@
{
struct ib_umad_device *umad_dev;
int s, e, i;
+ int count = 0;
- if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
- return;
-
- if (device->node_type == RDMA_NODE_IB_SWITCH)
- s = e = 0;
- else {
- s = 1;
- e = device->phys_port_cnt;
- }
+ s = rdma_start_port(device);
+ e = rdma_end_port(device);
umad_dev = kzalloc(sizeof *umad_dev +
(e - s + 1) * sizeof (struct ib_umad_port),
@@ -1292,25 +1285,34 @@
kobject_init(&umad_dev->kobj, &ib_umad_dev_ktype);
- umad_dev->start_port = s;
- umad_dev->end_port = e;
-
for (i = s; i <= e; ++i) {
+ if (!rdma_cap_ib_mad(device, i))
+ continue;
+
umad_dev->port[i - s].umad_dev = umad_dev;
if (ib_umad_init_port(device, i, umad_dev,
&umad_dev->port[i - s]))
goto err;
+
+ count++;
}
+ if (!count)
+ goto free;
+
ib_set_client_data(device, &umad_client, umad_dev);
return;
err:
- while (--i >= s)
- ib_umad_kill_port(&umad_dev->port[i - s]);
+ while (--i >= s) {
+ if (!rdma_cap_ib_mad(device, i))
+ continue;
+ ib_umad_kill_port(&umad_dev->port[i - s]);
+ }
+free:
kobject_put(&umad_dev->kobj);
}
@@ -1322,8 +1324,10 @@
if (!umad_dev)
return;
- for (i = 0; i <= umad_dev->end_port - umad_dev->start_port; ++i)
- ib_umad_kill_port(&umad_dev->port[i]);
+ for (i = 0; i <= rdma_end_port(device) - rdma_start_port(device); ++i) {
+ if (rdma_cap_ib_mad(device, i + rdma_start_port(device)))
+ ib_umad_kill_port(&umad_dev->port[i]);
+ }
kobject_put(&umad_dev->kobj);
}
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index f93eb8d..685a362 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -48,6 +48,71 @@
#include "core_priv.h"
+static const char * const ib_events[] = {
+ [IB_EVENT_CQ_ERR] = "CQ error",
+ [IB_EVENT_QP_FATAL] = "QP fatal error",
+ [IB_EVENT_QP_REQ_ERR] = "QP request error",
+ [IB_EVENT_QP_ACCESS_ERR] = "QP access error",
+ [IB_EVENT_COMM_EST] = "communication established",
+ [IB_EVENT_SQ_DRAINED] = "send queue drained",
+ [IB_EVENT_PATH_MIG] = "path migration successful",
+ [IB_EVENT_PATH_MIG_ERR] = "path migration error",
+ [IB_EVENT_DEVICE_FATAL] = "device fatal error",
+ [IB_EVENT_PORT_ACTIVE] = "port active",
+ [IB_EVENT_PORT_ERR] = "port error",
+ [IB_EVENT_LID_CHANGE] = "LID change",
+ [IB_EVENT_PKEY_CHANGE] = "P_key change",
+ [IB_EVENT_SM_CHANGE] = "SM change",
+ [IB_EVENT_SRQ_ERR] = "SRQ error",
+ [IB_EVENT_SRQ_LIMIT_REACHED] = "SRQ limit reached",
+ [IB_EVENT_QP_LAST_WQE_REACHED] = "last WQE reached",
+ [IB_EVENT_CLIENT_REREGISTER] = "client reregister",
+ [IB_EVENT_GID_CHANGE] = "GID changed",
+};
+
+const char *ib_event_msg(enum ib_event_type event)
+{
+ size_t index = event;
+
+ return (index < ARRAY_SIZE(ib_events) && ib_events[index]) ?
+ ib_events[index] : "unrecognized event";
+}
+EXPORT_SYMBOL(ib_event_msg);
+
+static const char * const wc_statuses[] = {
+ [IB_WC_SUCCESS] = "success",
+ [IB_WC_LOC_LEN_ERR] = "local length error",
+ [IB_WC_LOC_QP_OP_ERR] = "local QP operation error",
+ [IB_WC_LOC_EEC_OP_ERR] = "local EE context operation error",
+ [IB_WC_LOC_PROT_ERR] = "local protection error",
+ [IB_WC_WR_FLUSH_ERR] = "WR flushed",
+ [IB_WC_MW_BIND_ERR] = "memory management operation error",
+ [IB_WC_BAD_RESP_ERR] = "bad response error",
+ [IB_WC_LOC_ACCESS_ERR] = "local access error",
+ [IB_WC_REM_INV_REQ_ERR] = "invalid request error",
+ [IB_WC_REM_ACCESS_ERR] = "remote access error",
+ [IB_WC_REM_OP_ERR] = "remote operation error",
+ [IB_WC_RETRY_EXC_ERR] = "transport retry counter exceeded",
+ [IB_WC_RNR_RETRY_EXC_ERR] = "RNR retry counter exceeded",
+ [IB_WC_LOC_RDD_VIOL_ERR] = "local RDD violation error",
+ [IB_WC_REM_INV_RD_REQ_ERR] = "remote invalid RD request",
+ [IB_WC_REM_ABORT_ERR] = "operation aborted",
+ [IB_WC_INV_EECN_ERR] = "invalid EE context number",
+ [IB_WC_INV_EEC_STATE_ERR] = "invalid EE context state",
+ [IB_WC_FATAL_ERR] = "fatal error",
+ [IB_WC_RESP_TIMEOUT_ERR] = "response timeout error",
+ [IB_WC_GENERAL_ERR] = "general error",
+};
+
+const char *ib_wc_status_msg(enum ib_wc_status status)
+{
+ size_t index = status;
+
+ return (index < ARRAY_SIZE(wc_statuses) && wc_statuses[index]) ?
+ wc_statuses[index] : "unrecognized status";
+}
+EXPORT_SYMBOL(ib_wc_status_msg);
+
__attribute_const__ int ib_rate_to_mult(enum ib_rate rate)
{
switch (rate) {
@@ -198,11 +263,9 @@
u32 flow_class;
u16 gid_index;
int ret;
- int is_eth = (rdma_port_get_link_layer(device, port_num) ==
- IB_LINK_LAYER_ETHERNET);
memset(ah_attr, 0, sizeof *ah_attr);
- if (is_eth) {
+ if (rdma_cap_eth_ah(device, port_num)) {
if (!(wc->wc_flags & IB_WC_GRH))
return -EPROTOTYPE;
@@ -871,7 +934,7 @@
union ib_gid sgid;
if ((*qp_attr_mask & IB_QP_AV) &&
- (rdma_port_get_link_layer(qp->device, qp_attr->ah_attr.port_num) == IB_LINK_LAYER_ETHERNET)) {
+ (rdma_cap_eth_ah(qp->device, qp_attr->ah_attr.port_num))) {
ret = ib_query_gid(qp->device, qp_attr->ah_attr.port_num,
qp_attr->ah_attr.grh.sgid_index, &sgid);
if (ret)
diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c
index bdf3507..d396c39 100644
--- a/drivers/infiniband/hw/amso1100/c2_provider.c
+++ b/drivers/infiniband/hw/amso1100/c2_provider.c
@@ -757,6 +757,23 @@
return netdev;
}
+static int c2_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+{
+ struct ib_port_attr attr;
+ int err;
+
+ err = c2_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+ immutable->core_cap_flags = RDMA_CORE_PORT_IWARP;
+
+ return 0;
+}
+
int c2_register_device(struct c2_dev *dev)
{
int ret = -ENOMEM;
@@ -820,6 +837,7 @@
dev->ibdev.reg_phys_mr = c2_reg_phys_mr;
dev->ibdev.reg_user_mr = c2_reg_user_mr;
dev->ibdev.dereg_mr = c2_dereg_mr;
+ dev->ibdev.get_port_immutable = c2_port_immutable;
dev->ibdev.alloc_fmr = NULL;
dev->ibdev.unmap_fmr = NULL;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 811b24a..061ef08 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1343,6 +1343,23 @@
&dev_attr_board_id,
};
+static int iwch_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+{
+ struct ib_port_attr attr;
+ int err;
+
+ err = iwch_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+ immutable->core_cap_flags = RDMA_CORE_PORT_IWARP;
+
+ return 0;
+}
+
int iwch_register_device(struct iwch_dev *dev)
{
int ret;
@@ -1420,6 +1437,7 @@
dev->ibdev.post_recv = iwch_post_receive;
dev->ibdev.get_protocol_stats = iwch_get_mib;
dev->ibdev.uverbs_abi_ver = IWCH_UVERBS_ABI_VERSION;
+ dev->ibdev.get_port_immutable = iwch_port_immutable;
dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
if (!dev->ibdev.iwcm)
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
index 66bd6a2..ef08a9f 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -465,6 +465,23 @@
&dev_attr_board_id,
};
+static int c4iw_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+{
+ struct ib_port_attr attr;
+ int err;
+
+ err = c4iw_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+ immutable->core_cap_flags = RDMA_CORE_PORT_IWARP;
+
+ return 0;
+}
+
int c4iw_register_device(struct c4iw_dev *dev)
{
int ret;
@@ -542,6 +559,7 @@
dev->ibdev.post_recv = c4iw_post_receive;
dev->ibdev.get_protocol_stats = c4iw_get_mib;
dev->ibdev.uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION;
+ dev->ibdev.get_port_immutable = c4iw_port_immutable;
dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
if (!dev->ibdev.iwcm)
diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h
index 22f79af..077185b 100644
--- a/drivers/infiniband/hw/ehca/ehca_iverbs.h
+++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h
@@ -49,6 +49,9 @@
int ehca_query_port(struct ib_device *ibdev, u8 port,
struct ib_port_attr *props);
+enum rdma_protocol_type
+ehca_query_protocol(struct ib_device *device, u8 port_num);
+
int ehca_query_sma_attr(struct ehca_shca *shca, u8 port,
struct ehca_sma_attr *attr);
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index cd8d290..5e30b72 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -431,6 +431,23 @@
return ret;
}
+static int ehca_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+{
+ struct ib_port_attr attr;
+ int err;
+
+ err = ehca_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+ immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
+
+ return 0;
+}
+
static int ehca_init_device(struct ehca_shca *shca)
{
int ret;
@@ -510,6 +527,7 @@
shca->ib_device.process_mad = ehca_process_mad;
shca->ib_device.mmap = ehca_mmap;
shca->ib_device.dma_ops = &ehca_dma_mapping_ops;
+ shca->ib_device.get_port_immutable = ehca_port_immutable;
if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) {
shca->ib_device.uverbs_cmd_mask |=
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 44ea939..764081d 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -1980,6 +1980,23 @@
return 0;
}
+static int ipath_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+{
+ struct ib_port_attr attr;
+ int err;
+
+ err = ipath_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+ immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
+
+ return 0;
+}
+
/**
* ipath_register_ib_device - register our device with the infiniband core
* @dd: the device data structure
@@ -2179,6 +2196,7 @@
dev->process_mad = ipath_process_mad;
dev->mmap = ipath_mmap;
dev->dma_ops = &ipath_dma_mapping_ops;
+ dev->get_port_immutable = ipath_port_immutable;
snprintf(dev->node_desc, sizeof(dev->node_desc),
IPATH_IDSTR " %s", init_utsname()->nodename);
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index cc64400..c49dd0b 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -2114,6 +2114,27 @@
kfree(ibdev->eq_table);
}
+static int mlx4_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+{
+ struct ib_port_attr attr;
+ int err;
+
+ err = mlx4_ib_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+
+ if (mlx4_ib_port_link_layer(ibdev, port_num) == IB_LINK_LAYER_INFINIBAND)
+ immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
+ else
+ immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE;
+
+ return 0;
+}
+
static void *mlx4_ib_add(struct mlx4_dev *dev)
{
struct mlx4_ib_dev *ibdev;
@@ -2241,6 +2262,7 @@
ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach;
ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach;
ibdev->ib_dev.process_mad = mlx4_ib_process_mad;
+ ibdev->ib_dev.get_port_immutable = mlx4_port_immutable;
if (!mlx4_is_slave(ibdev->dev)) {
ibdev->ib_dev.alloc_fmr = mlx4_ib_fmr_alloc;
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 57c9809..b2fdb9c 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1182,6 +1182,23 @@
mlx5_ib_dealloc_pd(devr->p0);
}
+static int mlx5_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+{
+ struct ib_port_attr attr;
+ int err;
+
+ err = mlx5_ib_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+ immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
+
+ return 0;
+}
+
static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
{
struct mlx5_ib_dev *dev;
@@ -1285,6 +1302,7 @@
dev->ib_dev.alloc_fast_reg_page_list = mlx5_ib_alloc_fast_reg_page_list;
dev->ib_dev.free_fast_reg_page_list = mlx5_ib_free_fast_reg_page_list;
dev->ib_dev.check_mr_status = mlx5_ib_check_mr_status;
+ dev->ib_dev.get_port_immutable = mlx5_port_immutable;
mlx5_ib_internal_query_odp_caps(dev);
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 415f8e1..509d59e 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -1244,6 +1244,23 @@
return err;
}
+static int mthca_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+{
+ struct ib_port_attr attr;
+ int err;
+
+ err = mthca_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+ immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
+
+ return 0;
+}
+
int mthca_register_device(struct mthca_dev *dev)
{
int ret;
@@ -1323,6 +1340,7 @@
dev->ib_dev.reg_phys_mr = mthca_reg_phys_mr;
dev->ib_dev.reg_user_mr = mthca_reg_user_mr;
dev->ib_dev.dereg_mr = mthca_dereg_mr;
+ dev->ib_dev.get_port_immutable = mthca_port_immutable;
if (dev->mthca_flags & MTHCA_FLAG_FMR) {
dev->ib_dev.alloc_fmr = mthca_alloc_fmr;
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index c0d0296..05530e3 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -606,7 +606,6 @@
return 0;
}
-
/**
* nes_query_pkey
*/
@@ -3828,6 +3827,22 @@
return 0;
}
+static int nes_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+{
+ struct ib_port_attr attr;
+ int err;
+
+ err = nes_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+ immutable->core_cap_flags = RDMA_CORE_PORT_IWARP;
+
+ return 0;
+}
/**
* nes_init_ofa_device
@@ -3928,6 +3943,7 @@
nesibdev->ibdev.iwcm->reject = nes_reject;
nesibdev->ibdev.iwcm->create_listen = nes_create_listen;
nesibdev->ibdev.iwcm->destroy_listen = nes_destroy_listen;
+ nesibdev->ibdev.get_port_immutable = nes_port_immutable;
return nesibdev;
}
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index 7a2b59a..f552898 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -202,6 +202,23 @@
return IB_LINK_LAYER_ETHERNET;
}
+static int ocrdma_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+{
+ struct ib_port_attr attr;
+ int err;
+
+ err = ocrdma_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+ immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE;
+
+ return 0;
+}
+
static int ocrdma_register_device(struct ocrdma_dev *dev)
{
strlcpy(dev->ibdev.name, "ocrdma%d", IB_DEVICE_NAME_MAX);
@@ -286,6 +303,7 @@
dev->ibdev.dma_device = &dev->nic_info.pdev->dev;
dev->ibdev.process_mad = ocrdma_process_mad;
+ dev->ibdev.get_port_immutable = ocrdma_port_immutable;
if (ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R) {
dev->ibdev.uverbs_cmd_mask |=
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
index b8f7853..3cdc81e 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
@@ -41,6 +41,9 @@
int ocrdma_modify_port(struct ib_device *, u8 port, int mask,
struct ib_port_modify *props);
+enum rdma_protocol_type
+ocrdma_query_protocol(struct ib_device *device, u8 port_num);
+
void ocrdma_get_guid(struct ocrdma_dev *, u8 *guid);
int ocrdma_query_gid(struct ib_device *, u8 port,
int index, union ib_gid *gid);
diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
index 4a35998..dba1c92 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -2040,6 +2040,23 @@
RCU_INIT_POINTER(ibp->qp1, NULL);
}
+static int qib_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+{
+ struct ib_port_attr attr;
+ int err;
+
+ err = qib_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+ immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
+
+ return 0;
+}
+
/**
* qib_register_ib_device - register our device with the infiniband core
* @dd: the device data structure
@@ -2227,6 +2244,7 @@
ibdev->process_mad = qib_process_mad;
ibdev->mmap = qib_mmap;
ibdev->dma_ops = &qib_dma_mapping_ops;
+ ibdev->get_port_immutable = qib_port_immutable;
snprintf(ibdev->node_desc, sizeof(ibdev->node_desc),
"Intel Infiniband HCA %s", init_utsname()->nodename);
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_main.c b/drivers/infiniband/hw/usnic/usnic_ib_main.c
index 0d0f986..34c49b8 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_main.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_main.c
@@ -300,6 +300,22 @@
};
/* End of inet section*/
+static int usnic_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+{
+ struct ib_port_attr attr;
+ int err;
+
+ err = usnic_ib_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+
+ return 0;
+}
+
/* Start of PF discovery section */
static void *usnic_ib_device_add(struct pci_dev *dev)
{
@@ -383,6 +399,7 @@
us_ibdev->ib_dev.poll_cq = usnic_ib_poll_cq;
us_ibdev->ib_dev.req_notify_cq = usnic_ib_req_notify_cq;
us_ibdev->ib_dev.get_dma_mr = usnic_ib_get_dma_mr;
+ us_ibdev->ib_dev.get_port_immutable = usnic_port_immutable;
if (ib_register_device(&us_ibdev->ib_dev, NULL))
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h
index bb864f5..57ddba5 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h
@@ -27,6 +27,8 @@
struct ib_device_attr *props);
int usnic_ib_query_port(struct ib_device *ibdev, u8 port,
struct ib_port_attr *props);
+enum rdma_protocol_type
+usnic_ib_query_protocol(struct ib_device *device, u8 port_num);
int usnic_ib_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
int qp_attr_mask,
struct ib_qp_init_attr *qp_init_attr);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 9e1b203..3421e42 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1685,9 +1685,7 @@
struct net_device *dev;
struct ipoib_dev_priv *priv;
int s, e, p;
-
- if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
- return;
+ int count = 0;
dev_list = kmalloc(sizeof *dev_list, GFP_KERNEL);
if (!dev_list)
@@ -1704,15 +1702,21 @@
}
for (p = s; p <= e; ++p) {
- if (rdma_port_get_link_layer(device, p) != IB_LINK_LAYER_INFINIBAND)
+ if (!rdma_protocol_ib(device, p))
continue;
dev = ipoib_add_port("ib%d", device, p);
if (!IS_ERR(dev)) {
priv = netdev_priv(dev);
list_add_tail(&priv->list, dev_list);
+ count++;
}
}
+ if (!count) {
+ kfree(dev_list);
+ return;
+ }
+
ib_set_client_data(device, &ipoib_client, dev_list);
}
@@ -1721,9 +1725,6 @@
struct ipoib_dev_priv *priv, *tmp;
struct list_head *dev_list;
- if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
- return;
-
dev_list = ib_get_client_data(device, &ipoib_client);
if (!dev_list)
return;
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index cc2dd35..d33c5c0 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -51,19 +51,22 @@
static void iser_cq_event_callback(struct ib_event *cause, void *context)
{
- iser_err("got cq event %d \n", cause->event);
+ iser_err("cq event %s (%d)\n",
+ ib_event_msg(cause->event), cause->event);
}
static void iser_qp_event_callback(struct ib_event *cause, void *context)
{
- iser_err("got qp event %d\n",cause->event);
+ iser_err("qp event %s (%d)\n",
+ ib_event_msg(cause->event), cause->event);
}
static void iser_event_handler(struct ib_event_handler *handler,
struct ib_event *event)
{
- iser_err("async event %d on device %s port %d\n", event->event,
- event->device->name, event->element.port_num);
+ iser_err("async event %s (%d) on device %s port %d\n",
+ ib_event_msg(event->event), event->event,
+ event->device->name, event->element.port_num);
}
/**
@@ -873,8 +876,9 @@
int ret = 0;
iser_conn = (struct iser_conn *)cma_id->context;
- iser_info("event %d status %d conn %p id %p\n",
- event->event, event->status, cma_id->context, cma_id);
+ iser_info("%s (%d): status %d conn %p id %p\n",
+ rdma_event_msg(event->event), event->event,
+ event->status, cma_id->context, cma_id);
mutex_lock(&iser_conn->state_mutex);
switch (event->event) {
@@ -913,7 +917,8 @@
}
break;
default:
- iser_err("Unexpected RDMA CM event (%d)\n", event->event);
+ iser_err("Unexpected RDMA CM event: %s (%d)\n",
+ rdma_event_msg(event->event), event->event);
break;
}
mutex_unlock(&iser_conn->state_mutex);
@@ -1173,10 +1178,13 @@
}
} else {
if (wc->status != IB_WC_WR_FLUSH_ERR)
- iser_err("wr id %llx status %d vend_err %x\n",
- wc->wr_id, wc->status, wc->vendor_err);
+ iser_err("%s (%d): wr id %llx vend_err %x\n",
+ ib_wc_status_msg(wc->status), wc->status,
+ wc->wr_id, wc->vendor_err);
else
- iser_dbg("flush error: wr id %llx\n", wc->wr_id);
+ iser_dbg("%s (%d): wr id %llx\n",
+ ib_wc_status_msg(wc->status), wc->status,
+ wc->wr_id);
if (wc->wr_id == ISER_BEACON_WRID)
/* all flush errors were consumed */
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 327529e..d99a0c8 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -78,7 +78,9 @@
{
struct isert_conn *isert_conn = context;
- isert_err("conn %p event: %d\n", isert_conn, e->event);
+ isert_err("%s (%d): conn %p\n",
+ ib_event_msg(e->event), e->event, isert_conn);
+
switch (e->event) {
case IB_EVENT_COMM_EST:
rdma_notify(isert_conn->cm_id, IB_EVENT_COMM_EST);
@@ -897,7 +899,8 @@
isert_np_cma_handler(struct isert_np *isert_np,
enum rdma_cm_event_type event)
{
- isert_dbg("isert np %p, handling event %d\n", isert_np, event);
+ isert_dbg("%s (%d): isert np %p\n",
+ rdma_event_msg(event), event, isert_np);
switch (event) {
case RDMA_CM_EVENT_DEVICE_REMOVAL:
@@ -957,7 +960,8 @@
{
int ret = 0;
- isert_info("event %d status %d id %p np %p\n", event->event,
+ isert_info("%s (%d): status %d id %p np %p\n",
+ rdma_event_msg(event->event), event->event,
event->status, cma_id, cma_id->context);
switch (event->event) {
@@ -2091,10 +2095,13 @@
}
} else {
if (wc->status != IB_WC_WR_FLUSH_ERR)
- isert_err("wr id %llx status %d vend_err %x\n",
- wc->wr_id, wc->status, wc->vendor_err);
+ isert_err("%s (%d): wr id %llx vend_err %x\n",
+ ib_wc_status_msg(wc->status), wc->status,
+ wc->wr_id, wc->vendor_err);
else
- isert_dbg("flush error: wr id %llx\n", wc->wr_id);
+ isert_dbg("%s (%d): wr id %llx\n",
+ ib_wc_status_msg(wc->status), wc->status,
+ wc->wr_id);
if (wc->wr_id != ISER_FASTREG_LI_WRID)
isert_cq_comp_err(isert_conn, wc);
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 918814c..c3f654d 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -59,9 +59,10 @@
#define DRV_RELDATE "July 1, 2013"
MODULE_AUTHOR("Roland Dreier");
-MODULE_DESCRIPTION("InfiniBand SCSI RDMA Protocol initiator "
- "v" DRV_VERSION " (" DRV_RELDATE ")");
+MODULE_DESCRIPTION("InfiniBand SCSI RDMA Protocol initiator");
MODULE_LICENSE("Dual BSD/GPL");
+MODULE_VERSION(DRV_VERSION);
+MODULE_INFO(release_date, DRV_RELDATE);
static unsigned int srp_sg_tablesize;
static unsigned int cmd_sg_entries;
@@ -253,7 +254,8 @@
static void srp_qp_event(struct ib_event *event, void *context)
{
- pr_debug("QP event %d\n", event->event);
+ pr_debug("QP event %s (%d)\n",
+ ib_event_msg(event->event), event->event);
}
static int srp_init_qp(struct srp_target_port *target,
@@ -465,14 +467,13 @@
*/
static void srp_destroy_qp(struct srp_rdma_ch *ch)
{
- struct srp_target_port *target = ch->target;
static struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR };
static struct ib_recv_wr wr = { .wr_id = SRP_LAST_WR_ID };
struct ib_recv_wr *bad_wr;
int ret;
/* Destroying a QP and reusing ch->done is only safe if not connected */
- WARN_ON_ONCE(target->connected);
+ WARN_ON_ONCE(ch->connected);
ret = ib_modify_qp(ch->qp, &attr, IB_QP_STATE);
WARN_ONCE(ret, "ib_cm_init_qp_attr() returned %d\n", ret);
@@ -781,7 +782,7 @@
shost_printk(KERN_DEBUG, target->scsi_host,
PFX "Topspin/Cisco initiator port ID workaround "
"activated for target GUID %016llx\n",
- (unsigned long long) be64_to_cpu(target->ioc_guid));
+ be64_to_cpu(target->ioc_guid));
memset(req->priv.initiator_port_id, 0, 8);
memcpy(req->priv.initiator_port_id + 8,
&target->srp_host->srp_dev->dev->node_guid, 8);
@@ -811,35 +812,19 @@
return changed;
}
-static bool srp_change_conn_state(struct srp_target_port *target,
- bool connected)
-{
- bool changed = false;
-
- spin_lock_irq(&target->lock);
- if (target->connected != connected) {
- target->connected = connected;
- changed = true;
- }
- spin_unlock_irq(&target->lock);
-
- return changed;
-}
-
static void srp_disconnect_target(struct srp_target_port *target)
{
struct srp_rdma_ch *ch;
int i;
- if (srp_change_conn_state(target, false)) {
- /* XXX should send SRP_I_LOGOUT request */
+ /* XXX should send SRP_I_LOGOUT request */
- for (i = 0; i < target->ch_count; i++) {
- ch = &target->ch[i];
- if (ch->cm_id && ib_send_cm_dreq(ch->cm_id, NULL, 0)) {
- shost_printk(KERN_DEBUG, target->scsi_host,
- PFX "Sending CM DREQ failed\n");
- }
+ for (i = 0; i < target->ch_count; i++) {
+ ch = &target->ch[i];
+ ch->connected = false;
+ if (ch->cm_id && ib_send_cm_dreq(ch->cm_id, NULL, 0)) {
+ shost_printk(KERN_DEBUG, target->scsi_host,
+ PFX "Sending CM DREQ failed\n");
}
}
}
@@ -852,7 +837,7 @@
struct srp_request *req;
int i;
- if (!ch->target || !ch->req_ring)
+ if (!ch->req_ring)
return;
for (i = 0; i < target->req_ring_size; ++i) {
@@ -986,14 +971,26 @@
srp_queue_remove_work(target);
}
+/**
+ * srp_connected_ch() - number of connected channels
+ * @target: SRP target port.
+ */
+static int srp_connected_ch(struct srp_target_port *target)
+{
+ int i, c = 0;
+
+ for (i = 0; i < target->ch_count; i++)
+ c += target->ch[i].connected;
+
+ return c;
+}
+
static int srp_connect_ch(struct srp_rdma_ch *ch, bool multich)
{
struct srp_target_port *target = ch->target;
int ret;
- WARN_ON_ONCE(!multich && target->connected);
-
- target->qp_in_error = false;
+ WARN_ON_ONCE(!multich && srp_connected_ch(target) > 0);
ret = srp_lookup_path(ch);
if (ret)
@@ -1016,7 +1013,7 @@
*/
switch (ch->status) {
case 0:
- srp_change_conn_state(target, true);
+ ch->connected = true;
return 0;
case SRP_PORT_REDIRECT:
@@ -1214,14 +1211,10 @@
*/
for (i = 0; i < target->ch_count; i++) {
ch = &target->ch[i];
- if (!ch->target)
- break;
ret += srp_new_cm_id(ch);
}
for (i = 0; i < target->ch_count; i++) {
ch = &target->ch[i];
- if (!ch->target)
- break;
for (j = 0; j < target->req_ring_size; ++j) {
struct srp_request *req = &ch->req_ring[j];
@@ -1230,8 +1223,6 @@
}
for (i = 0; i < target->ch_count; i++) {
ch = &target->ch[i];
- if (!ch->target)
- break;
/*
* Whether or not creating a new CM ID succeeded, create a new
* QP. This guarantees that all completion callback function
@@ -1243,13 +1234,13 @@
for (j = 0; j < target->queue_size; ++j)
list_add(&ch->tx_ring[j]->list, &ch->free_tx);
}
+
+ target->qp_in_error = false;
+
for (i = 0; i < target->ch_count; i++) {
ch = &target->ch[i];
- if (ret || !ch->target) {
- if (i > 1)
- ret = 0;
+ if (ret)
break;
- }
ret = srp_connect_ch(ch, multich);
multich = true;
}
@@ -1842,7 +1833,7 @@
s32 delta = be32_to_cpu(req->req_lim_delta);
shost_printk(KERN_ERR, target->scsi_host, PFX
- "ignoring AER for LUN %llu\n", be64_to_cpu(req->lun));
+ "ignoring AER for LUN %llu\n", scsilun_to_int(&req->lun));
if (srp_response_common(ch, delta, &rsp, sizeof(rsp)))
shost_printk(KERN_ERR, target->scsi_host, PFX
@@ -1929,20 +1920,21 @@
return;
}
- if (target->connected && !target->qp_in_error) {
+ if (ch->connected && !target->qp_in_error) {
if (wr_id & LOCAL_INV_WR_ID_MASK) {
shost_printk(KERN_ERR, target->scsi_host, PFX
- "LOCAL_INV failed with status %d\n",
- wc_status);
+ "LOCAL_INV failed with status %s (%d)\n",
+ ib_wc_status_msg(wc_status), wc_status);
} else if (wr_id & FAST_REG_WR_ID_MASK) {
shost_printk(KERN_ERR, target->scsi_host, PFX
- "FAST_REG_MR failed status %d\n",
- wc_status);
+ "FAST_REG_MR failed status %s (%d)\n",
+ ib_wc_status_msg(wc_status), wc_status);
} else {
shost_printk(KERN_ERR, target->scsi_host,
- PFX "failed %s status %d for iu %p\n",
+ PFX "failed %s status %s (%d) for iu %p\n",
send_err ? "send" : "receive",
- wc_status, (void *)(uintptr_t)wr_id);
+ ib_wc_status_msg(wc_status), wc_status,
+ (void *)(uintptr_t)wr_id);
}
queue_work(system_long_wq, &target->tl_err_work);
}
@@ -2034,7 +2026,7 @@
memset(cmd, 0, sizeof *cmd);
cmd->opcode = SRP_CMD;
- cmd->lun = cpu_to_be64((u64) scmnd->device->lun << 48);
+ int_to_scsilun(scmnd->device->lun, &cmd->lun);
cmd->tag = tag;
memcpy(cmd->cdb, scmnd->cmnd, scmnd->cmd_len);
@@ -2367,7 +2359,7 @@
case IB_CM_DREQ_RECEIVED:
shost_printk(KERN_WARNING, target->scsi_host,
PFX "DREQ received - connection closed\n");
- srp_change_conn_state(target, false);
+ ch->connected = false;
if (ib_send_cm_drep(cm_id, NULL, 0))
shost_printk(KERN_ERR, target->scsi_host,
PFX "Sending CM DREP failed\n");
@@ -2414,8 +2406,8 @@
return scsi_change_queue_depth(sdev, qdepth);
}
-static int srp_send_tsk_mgmt(struct srp_rdma_ch *ch, u64 req_tag,
- unsigned int lun, u8 func)
+static int srp_send_tsk_mgmt(struct srp_rdma_ch *ch, u64 req_tag, u64 lun,
+ u8 func)
{
struct srp_target_port *target = ch->target;
struct srp_rport *rport = target->rport;
@@ -2423,7 +2415,7 @@
struct srp_iu *iu;
struct srp_tsk_mgmt *tsk_mgmt;
- if (!target->connected || target->qp_in_error)
+ if (!ch->connected || target->qp_in_error)
return -1;
init_completion(&ch->tsk_mgmt_done);
@@ -2449,7 +2441,7 @@
memset(tsk_mgmt, 0, sizeof *tsk_mgmt);
tsk_mgmt->opcode = SRP_TSK_MGMT;
- tsk_mgmt->lun = cpu_to_be64((u64) lun << 48);
+ int_to_scsilun(lun, &tsk_mgmt->lun);
tsk_mgmt->tag = req_tag | SRP_TAG_TSK_MGMT;
tsk_mgmt->tsk_mgmt_func = func;
tsk_mgmt->task_tag = req_tag;
@@ -2563,8 +2555,7 @@
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
- return sprintf(buf, "0x%016llx\n",
- (unsigned long long) be64_to_cpu(target->id_ext));
+ return sprintf(buf, "0x%016llx\n", be64_to_cpu(target->id_ext));
}
static ssize_t show_ioc_guid(struct device *dev, struct device_attribute *attr,
@@ -2572,8 +2563,7 @@
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
- return sprintf(buf, "0x%016llx\n",
- (unsigned long long) be64_to_cpu(target->ioc_guid));
+ return sprintf(buf, "0x%016llx\n", be64_to_cpu(target->ioc_guid));
}
static ssize_t show_service_id(struct device *dev,
@@ -2581,8 +2571,7 @@
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
- return sprintf(buf, "0x%016llx\n",
- (unsigned long long) be64_to_cpu(target->service_id));
+ return sprintf(buf, "0x%016llx\n", be64_to_cpu(target->service_id));
}
static ssize_t show_pkey(struct device *dev, struct device_attribute *attr,
@@ -2773,7 +2762,7 @@
target->state = SRP_TARGET_SCANNING;
sprintf(target->target_name, "SRP.T10:%016llX",
- (unsigned long long) be64_to_cpu(target->id_ext));
+ be64_to_cpu(target->id_ext));
if (scsi_add_host(target->scsi_host, host->srp_dev->dev->dma_device))
return -ENODEV;
@@ -2797,7 +2786,8 @@
scsi_scan_target(&target->scsi_host->shost_gendev,
0, target->scsi_id, SCAN_WILD_CARD, 0);
- if (!target->connected || target->qp_in_error) {
+ if (srp_connected_ch(target) < target->ch_count ||
+ target->qp_in_error) {
shost_printk(KERN_INFO, target->scsi_host,
PFX "SCSI scan failed - removing SCSI host\n");
srp_queue_remove_work(target);
@@ -3146,7 +3136,7 @@
target_host->transportt = ib_srp_transport_template;
target_host->max_channel = 0;
target_host->max_id = 1;
- target_host->max_lun = SRP_MAX_LUN;
+ target_host->max_lun = -1LL;
target_host->max_cmd_len = sizeof ((struct srp_cmd *) (void *) 0L)->cdb;
target = host_to_target(target_host);
@@ -3172,11 +3162,11 @@
ret = srp_parse_options(buf, target);
if (ret)
- goto err;
+ goto out;
ret = scsi_init_shared_tag_map(target_host, target_host->can_queue);
if (ret)
- goto err;
+ goto out;
target->req_ring_size = target->queue_size - SRP_TSK_MGMT_SQ_SIZE;
@@ -3187,7 +3177,7 @@
be64_to_cpu(target->ioc_guid),
be64_to_cpu(target->initiator_ext));
ret = -EEXIST;
- goto err;
+ goto out;
}
if (!srp_dev->has_fmr && !srp_dev->has_fr && !target->allow_ext_sg &&
@@ -3208,7 +3198,7 @@
spin_lock_init(&target->lock);
ret = ib_query_gid(ibdev, host->port, 0, &target->sgid);
if (ret)
- goto err;
+ goto out;
ret = -ENOMEM;
target->ch_count = max_t(unsigned, num_online_nodes(),
@@ -3219,7 +3209,7 @@
target->ch = kcalloc(target->ch_count, sizeof(*target->ch),
GFP_KERNEL);
if (!target->ch)
- goto err;
+ goto out;
node_idx = 0;
for_each_online_node(node) {
@@ -3315,9 +3305,6 @@
}
kfree(target->ch);
-
-err:
- scsi_host_put(target_host);
goto out;
}
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h
index a611556..17ee3f8 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.h
+++ b/drivers/infiniband/ulp/srp/ib_srp.h
@@ -54,7 +54,6 @@
SRP_DLID_REDIRECT = 2,
SRP_STALE_CONN = 3,
- SRP_MAX_LUN = 512,
SRP_DEF_SG_TABLESIZE = 12,
SRP_DEFAULT_QUEUE_SIZE = 1 << 6,
@@ -170,6 +169,7 @@
struct completion tsk_mgmt_done;
u8 tsk_mgmt_status;
+ bool connected;
};
/**
@@ -214,7 +214,6 @@
__be16 pkey;
u32 rq_tmo_jiffies;
- bool connected;
int zero_req_lim;
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index acea5d6..6a41c36 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -1053,7 +1053,7 @@
memset(srp_cmd, 0x00, SRP_MAX_IU_LEN);
srp_cmd->opcode = SRP_CMD;
memcpy(srp_cmd->cdb, cmnd->cmnd, sizeof(srp_cmd->cdb));
- srp_cmd->lun = cpu_to_be64(((u64)lun) << 48);
+ int_to_scsilun(lun, &srp_cmd->lun);
if (!map_data_for_srp_cmd(cmnd, evt_struct, srp_cmd, hostdata->dev)) {
if (!firmware_has_feature(FW_FEATURE_CMO))
@@ -1529,7 +1529,7 @@
/* Set up an abort SRP command */
memset(tsk_mgmt, 0x00, sizeof(*tsk_mgmt));
tsk_mgmt->opcode = SRP_TSK_MGMT;
- tsk_mgmt->lun = cpu_to_be64(((u64) lun) << 48);
+ int_to_scsilun(lun, &tsk_mgmt->lun);
tsk_mgmt->tsk_mgmt_func = SRP_TSK_ABORT_TASK;
tsk_mgmt->task_tag = (u64) found_evt;
@@ -1652,7 +1652,7 @@
/* Set up a lun reset SRP command */
memset(tsk_mgmt, 0x00, sizeof(*tsk_mgmt));
tsk_mgmt->opcode = SRP_TSK_MGMT;
- tsk_mgmt->lun = cpu_to_be64(((u64) lun) << 48);
+ int_to_scsilun(lun, &tsk_mgmt->lun);
tsk_mgmt->tsk_mgmt_func = SRP_TSK_LUN_RESET;
evt->sync_srp = &srp_rsp;
diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c
index ae45bd9..a85292b 100644
--- a/drivers/scsi/scsi_transport_srp.c
+++ b/drivers/scsi/scsi_transport_srp.c
@@ -61,6 +61,11 @@
return dev_to_shost(r->dev.parent);
}
+static inline struct srp_rport *shost_to_rport(struct Scsi_Host *shost)
+{
+ return transport_class_to_srp_rport(&shost->shost_gendev);
+}
+
/**
* srp_tmo_valid() - check timeout combination validity
* @reconnect_delay: Reconnect delay in seconds.
@@ -396,6 +401,36 @@
}
}
+/**
+ * scsi_request_fn_active() - number of kernel threads inside scsi_request_fn()
+ * @shost: SCSI host for which to count the number of scsi_request_fn() callers.
+ *
+ * To do: add support for scsi-mq in this function.
+ */
+static int scsi_request_fn_active(struct Scsi_Host *shost)
+{
+ struct scsi_device *sdev;
+ struct request_queue *q;
+ int request_fn_active = 0;
+
+ shost_for_each_device(sdev, shost) {
+ q = sdev->request_queue;
+
+ spin_lock_irq(q->queue_lock);
+ request_fn_active += q->request_fn_active;
+ spin_unlock_irq(q->queue_lock);
+ }
+
+ return request_fn_active;
+}
+
+/* Wait until ongoing shost->hostt->queuecommand() calls have finished. */
+static void srp_wait_for_queuecommand(struct Scsi_Host *shost)
+{
+ while (scsi_request_fn_active(shost))
+ msleep(20);
+}
+
static void __rport_fail_io_fast(struct srp_rport *rport)
{
struct Scsi_Host *shost = rport_to_shost(rport);
@@ -409,8 +444,10 @@
/* Involve the LLD if possible to terminate all I/O on the rport. */
i = to_srp_internal(shost->transportt);
- if (i->f->terminate_rport_io)
+ if (i->f->terminate_rport_io) {
+ srp_wait_for_queuecommand(shost);
i->f->terminate_rport_io(rport);
+ }
}
/**
@@ -504,27 +541,6 @@
EXPORT_SYMBOL(srp_start_tl_fail_timers);
/**
- * scsi_request_fn_active() - number of kernel threads inside scsi_request_fn()
- * @shost: SCSI host for which to count the number of scsi_request_fn() callers.
- */
-static int scsi_request_fn_active(struct Scsi_Host *shost)
-{
- struct scsi_device *sdev;
- struct request_queue *q;
- int request_fn_active = 0;
-
- shost_for_each_device(sdev, shost) {
- q = sdev->request_queue;
-
- spin_lock_irq(q->queue_lock);
- request_fn_active += q->request_fn_active;
- spin_unlock_irq(q->queue_lock);
- }
-
- return request_fn_active;
-}
-
-/**
* srp_reconnect_rport() - reconnect to an SRP target port
* @rport: SRP target port.
*
@@ -559,8 +575,7 @@
if (res)
goto out;
scsi_target_block(&shost->shost_gendev);
- while (scsi_request_fn_active(shost))
- msleep(20);
+ srp_wait_for_queuecommand(shost);
res = rport->state != SRP_RPORT_LOST ? i->f->reconnect(rport) : -ENODEV;
pr_debug("%s (state %d): transport.reconnect() returned %d\n",
dev_name(&shost->shost_gendev), rport->state, res);
@@ -618,9 +633,11 @@
struct scsi_device *sdev = scmd->device;
struct Scsi_Host *shost = sdev->host;
struct srp_internal *i = to_srp_internal(shost->transportt);
+ struct srp_rport *rport = shost_to_rport(shost);
pr_debug("timeout for sdev %s\n", dev_name(&sdev->sdev_gendev));
- return i->f->reset_timer_if_blocked && scsi_device_blocked(sdev) ?
+ return rport->fast_io_fail_tmo < 0 && rport->dev_loss_tmo < 0 &&
+ i->f->reset_timer_if_blocked && scsi_device_blocked(sdev) ?
BLK_EH_RESET_TIMER : BLK_EH_NOT_HANDLED;
}
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 65994a1..ad499bd 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -81,6 +81,13 @@
RDMA_TRANSPORT_USNIC_UDP
};
+enum rdma_protocol_type {
+ RDMA_PROTOCOL_IB,
+ RDMA_PROTOCOL_IBOE,
+ RDMA_PROTOCOL_IWARP,
+ RDMA_PROTOCOL_USNIC_UDP
+};
+
__attribute_const__ enum rdma_transport_type
rdma_node_get_transport(enum rdma_node_type node_type);
@@ -346,6 +353,40 @@
struct iw_protocol_stats iw;
};
+/* Define bits for the various functionality this port needs to be supported by
+ * the core.
+ */
+/* Management 0x00000FFF */
+#define RDMA_CORE_CAP_IB_MAD 0x00000001
+#define RDMA_CORE_CAP_IB_SMI 0x00000002
+#define RDMA_CORE_CAP_IB_CM 0x00000004
+#define RDMA_CORE_CAP_IW_CM 0x00000008
+#define RDMA_CORE_CAP_IB_SA 0x00000010
+
+/* Address format 0x000FF000 */
+#define RDMA_CORE_CAP_AF_IB 0x00001000
+#define RDMA_CORE_CAP_ETH_AH 0x00002000
+
+/* Protocol 0xFFF00000 */
+#define RDMA_CORE_CAP_PROT_IB 0x00100000
+#define RDMA_CORE_CAP_PROT_ROCE 0x00200000
+#define RDMA_CORE_CAP_PROT_IWARP 0x00400000
+
+#define RDMA_CORE_PORT_IBA_IB (RDMA_CORE_CAP_PROT_IB \
+ | RDMA_CORE_CAP_IB_MAD \
+ | RDMA_CORE_CAP_IB_SMI \
+ | RDMA_CORE_CAP_IB_CM \
+ | RDMA_CORE_CAP_IB_SA \
+ | RDMA_CORE_CAP_AF_IB)
+#define RDMA_CORE_PORT_IBA_ROCE (RDMA_CORE_CAP_PROT_ROCE \
+ | RDMA_CORE_CAP_IB_MAD \
+ | RDMA_CORE_CAP_IB_CM \
+ | RDMA_CORE_CAP_IB_SA \
+ | RDMA_CORE_CAP_AF_IB \
+ | RDMA_CORE_CAP_ETH_AH)
+#define RDMA_CORE_PORT_IWARP (RDMA_CORE_CAP_PROT_IWARP \
+ | RDMA_CORE_CAP_IW_CM)
+
struct ib_port_attr {
enum ib_port_state state;
enum ib_mtu max_mtu;
@@ -412,6 +453,8 @@
IB_EVENT_GID_CHANGE,
};
+__attribute_const__ const char *ib_event_msg(enum ib_event_type event);
+
struct ib_event {
struct ib_device *device;
union {
@@ -663,6 +706,8 @@
IB_WC_GENERAL_ERR
};
+__attribute_const__ const char *ib_wc_status_msg(enum ib_wc_status status);
+
enum ib_wc_opcode {
IB_WC_SEND,
IB_WC_RDMA_WRITE,
@@ -1474,6 +1519,12 @@
struct iw_cm_verbs;
+struct ib_port_immutable {
+ int pkey_tbl_len;
+ int gid_tbl_len;
+ u32 core_cap_flags;
+};
+
struct ib_device {
struct device *dma_device;
@@ -1487,8 +1538,10 @@
struct list_head client_data_list;
struct ib_cache cache;
- int *pkey_tbl_len;
- int *gid_tbl_len;
+ /**
+ * port_immutable is indexed by port number
+ */
+ struct ib_port_immutable *port_immutable;
int num_comp_vectors;
@@ -1675,6 +1728,14 @@
u32 local_dma_lkey;
u8 node_type;
u8 phys_port_cnt;
+
+ /**
+ * The following mandatory functions are used only at device
+ * registration. Keep functions such as these at the end of this
+ * structure to avoid cache line misses when accessing struct ib_device
+ * in fast paths.
+ */
+ int (*get_port_immutable)(struct ib_device *, u8, struct ib_port_immutable *);
};
struct ib_client {
@@ -1743,6 +1804,242 @@
enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device,
u8 port_num);
+/**
+ * rdma_start_port - Return the first valid port number for the device
+ * specified
+ *
+ * @device: Device to be checked
+ *
+ * Return start port number
+ */
+static inline u8 rdma_start_port(const struct ib_device *device)
+{
+ return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1;
+}
+
+/**
+ * rdma_end_port - Return the last valid port number for the device
+ * specified
+ *
+ * @device: Device to be checked
+ *
+ * Return last port number
+ */
+static inline u8 rdma_end_port(const struct ib_device *device)
+{
+ return (device->node_type == RDMA_NODE_IB_SWITCH) ?
+ 0 : device->phys_port_cnt;
+}
+
+static inline bool rdma_protocol_ib(struct ib_device *device, u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_IB;
+}
+
+static inline bool rdma_protocol_roce(struct ib_device *device, u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_ROCE;
+}
+
+static inline bool rdma_protocol_iwarp(struct ib_device *device, u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_IWARP;
+}
+
+static inline bool rdma_ib_or_roce(struct ib_device *device, u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags &
+ (RDMA_CORE_CAP_PROT_IB | RDMA_CORE_CAP_PROT_ROCE);
+}
+
+/**
+ * rdma_cap_ib_mad - Check if the port of a device supports Infiniband
+ * Management Datagrams.
+ * @device: Device to check
+ * @port_num: Port number to check
+ *
+ * Management Datagrams (MAD) are a required part of the InfiniBand
+ * specification and are supported on all InfiniBand devices. A slightly
+ * extended version are also supported on OPA interfaces.
+ *
+ * Return: true if the port supports sending/receiving of MAD packets.
+ */
+static inline bool rdma_cap_ib_mad(struct ib_device *device, u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_IB_MAD;
+}
+
+/**
+ * rdma_cap_ib_smi - Check if the port of a device provides an Infiniband
+ * Subnet Management Agent (SMA) on the Subnet Management Interface (SMI).
+ * @device: Device to check
+ * @port_num: Port number to check
+ *
+ * Each InfiniBand node is required to provide a Subnet Management Agent
+ * that the subnet manager can access. Prior to the fabric being fully
+ * configured by the subnet manager, the SMA is accessed via a well known
+ * interface called the Subnet Management Interface (SMI). This interface
+ * uses directed route packets to communicate with the SM to get around the
+ * chicken and egg problem of the SM needing to know what's on the fabric
+ * in order to configure the fabric, and needing to configure the fabric in
+ * order to send packets to the devices on the fabric. These directed
+ * route packets do not need the fabric fully configured in order to reach
+ * their destination. The SMI is the only method allowed to send
+ * directed route packets on an InfiniBand fabric.
+ *
+ * Return: true if the port provides an SMI.
+ */
+static inline bool rdma_cap_ib_smi(struct ib_device *device, u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_IB_SMI;
+}
+
+/**
+ * rdma_cap_ib_cm - Check if the port of device has the capability Infiniband
+ * Communication Manager.
+ * @device: Device to check
+ * @port_num: Port number to check
+ *
+ * The InfiniBand Communication Manager is one of many pre-defined General
+ * Service Agents (GSA) that are accessed via the General Service
+ * Interface (GSI). It's role is to facilitate establishment of connections
+ * between nodes as well as other management related tasks for established
+ * connections.
+ *
+ * Return: true if the port supports an IB CM (this does not guarantee that
+ * a CM is actually running however).
+ */
+static inline bool rdma_cap_ib_cm(struct ib_device *device, u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_IB_CM;
+}
+
+/**
+ * rdma_cap_iw_cm - Check if the port of device has the capability IWARP
+ * Communication Manager.
+ * @device: Device to check
+ * @port_num: Port number to check
+ *
+ * Similar to above, but specific to iWARP connections which have a different
+ * managment protocol than InfiniBand.
+ *
+ * Return: true if the port supports an iWARP CM (this does not guarantee that
+ * a CM is actually running however).
+ */
+static inline bool rdma_cap_iw_cm(struct ib_device *device, u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_IW_CM;
+}
+
+/**
+ * rdma_cap_ib_sa - Check if the port of device has the capability Infiniband
+ * Subnet Administration.
+ * @device: Device to check
+ * @port_num: Port number to check
+ *
+ * An InfiniBand Subnet Administration (SA) service is a pre-defined General
+ * Service Agent (GSA) provided by the Subnet Manager (SM). On InfiniBand
+ * fabrics, devices should resolve routes to other hosts by contacting the
+ * SA to query the proper route.
+ *
+ * Return: true if the port should act as a client to the fabric Subnet
+ * Administration interface. This does not imply that the SA service is
+ * running locally.
+ */
+static inline bool rdma_cap_ib_sa(struct ib_device *device, u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_IB_SA;
+}
+
+/**
+ * rdma_cap_ib_mcast - Check if the port of device has the capability Infiniband
+ * Multicast.
+ * @device: Device to check
+ * @port_num: Port number to check
+ *
+ * InfiniBand multicast registration is more complex than normal IPv4 or
+ * IPv6 multicast registration. Each Host Channel Adapter must register
+ * with the Subnet Manager when it wishes to join a multicast group. It
+ * should do so only once regardless of how many queue pairs it subscribes
+ * to this group. And it should leave the group only after all queue pairs
+ * attached to the group have been detached.
+ *
+ * Return: true if the port must undertake the additional adminstrative
+ * overhead of registering/unregistering with the SM and tracking of the
+ * total number of queue pairs attached to the multicast group.
+ */
+static inline bool rdma_cap_ib_mcast(struct ib_device *device, u8 port_num)
+{
+ return rdma_cap_ib_sa(device, port_num);
+}
+
+/**
+ * rdma_cap_af_ib - Check if the port of device has the capability
+ * Native Infiniband Address.
+ * @device: Device to check
+ * @port_num: Port number to check
+ *
+ * InfiniBand addressing uses a port's GUID + Subnet Prefix to make a default
+ * GID. RoCE uses a different mechanism, but still generates a GID via
+ * a prescribed mechanism and port specific data.
+ *
+ * Return: true if the port uses a GID address to identify devices on the
+ * network.
+ */
+static inline bool rdma_cap_af_ib(struct ib_device *device, u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_AF_IB;
+}
+
+/**
+ * rdma_cap_eth_ah - Check if the port of device has the capability
+ * Ethernet Address Handle.
+ * @device: Device to check
+ * @port_num: Port number to check
+ *
+ * RoCE is InfiniBand over Ethernet, and it uses a well defined technique
+ * to fabricate GIDs over Ethernet/IP specific addresses native to the
+ * port. Normally, packet headers are generated by the sending host
+ * adapter, but when sending connectionless datagrams, we must manually
+ * inject the proper headers for the fabric we are communicating over.
+ *
+ * Return: true if we are running as a RoCE port and must force the
+ * addition of a Global Route Header built from our Ethernet Address
+ * Handle into our header list for connectionless packets.
+ */
+static inline bool rdma_cap_eth_ah(struct ib_device *device, u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_ETH_AH;
+}
+
+/**
+ * rdma_cap_read_multi_sge - Check if the port of device has the capability
+ * RDMA Read Multiple Scatter-Gather Entries.
+ * @device: Device to check
+ * @port_num: Port number to check
+ *
+ * iWARP has a restriction that RDMA READ requests may only have a single
+ * Scatter/Gather Entry (SGE) in the work request.
+ *
+ * NOTE: although the linux kernel currently assumes all devices are either
+ * single SGE RDMA READ devices or identical SGE maximums for RDMA READs and
+ * WRITEs, according to Tom Talpey, this is not accurate. There are some
+ * devices out there that support more than a single SGE on RDMA READ
+ * requests, but do not support the same number of SGEs as they do on
+ * RDMA WRITE requests. The linux kernel would need rearchitecting to
+ * support these imbalanced READ/WRITE SGEs allowed devices. So, for now,
+ * suffice with either the device supports the same READ/WRITE SGEs, or
+ * it only gets one READ sge.
+ *
+ * Return: true for any device that allows more than one SGE in RDMA READ
+ * requests.
+ */
+static inline bool rdma_cap_read_multi_sge(struct ib_device *device,
+ u8 port_num)
+{
+ return !(device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_IWARP);
+}
+
int ib_query_gid(struct ib_device *device,
u8 port_num, int index, union ib_gid *gid);
diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h
index 1ed2088..c92522c 100644
--- a/include/rdma/rdma_cm.h
+++ b/include/rdma/rdma_cm.h
@@ -62,6 +62,8 @@
RDMA_CM_EVENT_TIMEWAIT_EXIT
};
+__attribute_const__ const char *rdma_event_msg(enum rdma_cm_event_type event);
+
enum rdma_port_space {
RDMA_PS_SDP = 0x0001,
RDMA_PS_IPOIB = 0x0002,
diff --git a/include/scsi/srp.h b/include/scsi/srp.h
index 1ae84db..5be834d 100644
--- a/include/scsi/srp.h
+++ b/include/scsi/srp.h
@@ -42,6 +42,7 @@
*/
#include <linux/types.h>
+#include <scsi/scsi.h>
enum {
SRP_LOGIN_REQ = 0x00,
@@ -179,7 +180,7 @@
u8 reserved1[6];
u64 tag;
u8 reserved2[4];
- __be64 lun __attribute__((packed));
+ struct scsi_lun lun;
u8 reserved3[2];
u8 tsk_mgmt_func;
u8 reserved4;
@@ -200,7 +201,7 @@
u8 data_in_desc_cnt;
u64 tag;
u8 reserved2[4];
- __be64 lun __attribute__((packed));
+ struct scsi_lun lun;
u8 reserved3;
u8 task_attr;
u8 reserved4;
@@ -265,7 +266,7 @@
__be32 req_lim_delta;
u64 tag;
u32 reserved2;
- __be64 lun;
+ struct scsi_lun lun;
__be32 sense_data_len;
u32 reserved3;
u8 sense_data[0];
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index 1044337..11b623c 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -40,15 +40,6 @@
#include "rds.h"
-char *rds_str_array(char **array, size_t elements, size_t index)
-{
- if ((index < elements) && array[index])
- return array[index];
- else
- return "unknown";
-}
-EXPORT_SYMBOL(rds_str_array);
-
/* this is just used for stats gathering :/ */
static DEFINE_SPINLOCK(rds_sock_lock);
static unsigned long rds_sock_count;
diff --git a/net/rds/ib.h b/net/rds/ib.h
index c36d713..333611d 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -339,7 +339,6 @@
extern wait_queue_head_t rds_ib_ring_empty_wait;
/* ib_send.c */
-char *rds_ib_wc_status_str(enum ib_wc_status status);
void rds_ib_xmit_complete(struct rds_connection *conn);
int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
unsigned int hdr_off, unsigned int sg, unsigned int off);
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index 8a09ee7..b8d1bda 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -39,36 +39,6 @@
#include "rds.h"
#include "ib.h"
-static char *rds_ib_event_type_strings[] = {
-#define RDS_IB_EVENT_STRING(foo) \
- [IB_EVENT_##foo] = __stringify(IB_EVENT_##foo)
- RDS_IB_EVENT_STRING(CQ_ERR),
- RDS_IB_EVENT_STRING(QP_FATAL),
- RDS_IB_EVENT_STRING(QP_REQ_ERR),
- RDS_IB_EVENT_STRING(QP_ACCESS_ERR),
- RDS_IB_EVENT_STRING(COMM_EST),
- RDS_IB_EVENT_STRING(SQ_DRAINED),
- RDS_IB_EVENT_STRING(PATH_MIG),
- RDS_IB_EVENT_STRING(PATH_MIG_ERR),
- RDS_IB_EVENT_STRING(DEVICE_FATAL),
- RDS_IB_EVENT_STRING(PORT_ACTIVE),
- RDS_IB_EVENT_STRING(PORT_ERR),
- RDS_IB_EVENT_STRING(LID_CHANGE),
- RDS_IB_EVENT_STRING(PKEY_CHANGE),
- RDS_IB_EVENT_STRING(SM_CHANGE),
- RDS_IB_EVENT_STRING(SRQ_ERR),
- RDS_IB_EVENT_STRING(SRQ_LIMIT_REACHED),
- RDS_IB_EVENT_STRING(QP_LAST_WQE_REACHED),
- RDS_IB_EVENT_STRING(CLIENT_REREGISTER),
-#undef RDS_IB_EVENT_STRING
-};
-
-static char *rds_ib_event_str(enum ib_event_type type)
-{
- return rds_str_array(rds_ib_event_type_strings,
- ARRAY_SIZE(rds_ib_event_type_strings), type);
-};
-
/*
* Set the selected protocol version
*/
@@ -243,7 +213,7 @@
static void rds_ib_cq_event_handler(struct ib_event *event, void *data)
{
rdsdebug("event %u (%s) data %p\n",
- event->event, rds_ib_event_str(event->event), data);
+ event->event, ib_event_msg(event->event), data);
}
static void rds_ib_qp_event_handler(struct ib_event *event, void *data)
@@ -252,7 +222,7 @@
struct rds_ib_connection *ic = conn->c_transport_data;
rdsdebug("conn %p ic %p event %u (%s)\n", conn, ic, event->event,
- rds_ib_event_str(event->event));
+ ib_event_msg(event->event));
switch (event->event) {
case IB_EVENT_COMM_EST:
@@ -261,7 +231,7 @@
default:
rdsdebug("Fatal QP Event %u (%s) "
"- connection %pI4->%pI4, reconnecting\n",
- event->event, rds_ib_event_str(event->event),
+ event->event, ib_event_msg(event->event),
&conn->c_laddr, &conn->c_faddr);
rds_conn_drop(conn);
break;
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index 1b981a4..cac5b45 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -956,7 +956,7 @@
while (ib_poll_cq(ic->i_recv_cq, 1, &wc) > 0) {
rdsdebug("wc wr_id 0x%llx status %u (%s) byte_len %u imm_data %u\n",
(unsigned long long)wc.wr_id, wc.status,
- rds_ib_wc_status_str(wc.status), wc.byte_len,
+ ib_wc_status_msg(wc.status), wc.byte_len,
be32_to_cpu(wc.ex.imm_data));
rds_ib_stats_inc(s_ib_rx_cq_event);
@@ -978,7 +978,7 @@
"status %u (%s), disconnecting and "
"reconnecting\n", &conn->c_faddr,
wc.status,
- rds_ib_wc_status_str(wc.status));
+ ib_wc_status_msg(wc.status));
}
/*
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index bd3825d..25d0482 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -39,40 +39,6 @@
#include "rds.h"
#include "ib.h"
-static char *rds_ib_wc_status_strings[] = {
-#define RDS_IB_WC_STATUS_STR(foo) \
- [IB_WC_##foo] = __stringify(IB_WC_##foo)
- RDS_IB_WC_STATUS_STR(SUCCESS),
- RDS_IB_WC_STATUS_STR(LOC_LEN_ERR),
- RDS_IB_WC_STATUS_STR(LOC_QP_OP_ERR),
- RDS_IB_WC_STATUS_STR(LOC_EEC_OP_ERR),
- RDS_IB_WC_STATUS_STR(LOC_PROT_ERR),
- RDS_IB_WC_STATUS_STR(WR_FLUSH_ERR),
- RDS_IB_WC_STATUS_STR(MW_BIND_ERR),
- RDS_IB_WC_STATUS_STR(BAD_RESP_ERR),
- RDS_IB_WC_STATUS_STR(LOC_ACCESS_ERR),
- RDS_IB_WC_STATUS_STR(REM_INV_REQ_ERR),
- RDS_IB_WC_STATUS_STR(REM_ACCESS_ERR),
- RDS_IB_WC_STATUS_STR(REM_OP_ERR),
- RDS_IB_WC_STATUS_STR(RETRY_EXC_ERR),
- RDS_IB_WC_STATUS_STR(RNR_RETRY_EXC_ERR),
- RDS_IB_WC_STATUS_STR(LOC_RDD_VIOL_ERR),
- RDS_IB_WC_STATUS_STR(REM_INV_RD_REQ_ERR),
- RDS_IB_WC_STATUS_STR(REM_ABORT_ERR),
- RDS_IB_WC_STATUS_STR(INV_EECN_ERR),
- RDS_IB_WC_STATUS_STR(INV_EEC_STATE_ERR),
- RDS_IB_WC_STATUS_STR(FATAL_ERR),
- RDS_IB_WC_STATUS_STR(RESP_TIMEOUT_ERR),
- RDS_IB_WC_STATUS_STR(GENERAL_ERR),
-#undef RDS_IB_WC_STATUS_STR
-};
-
-char *rds_ib_wc_status_str(enum ib_wc_status status)
-{
- return rds_str_array(rds_ib_wc_status_strings,
- ARRAY_SIZE(rds_ib_wc_status_strings), status);
-}
-
/*
* Convert IB-specific error message to RDS error message and call core
* completion handler.
@@ -293,7 +259,7 @@
while (ib_poll_cq(cq, 1, &wc) > 0) {
rdsdebug("wc wr_id 0x%llx status %u (%s) byte_len %u imm_data %u\n",
(unsigned long long)wc.wr_id, wc.status,
- rds_ib_wc_status_str(wc.status), wc.byte_len,
+ ib_wc_status_msg(wc.status), wc.byte_len,
be32_to_cpu(wc.ex.imm_data));
rds_ib_stats_inc(s_ib_tx_cq_event);
@@ -344,7 +310,7 @@
rds_ib_conn_error(conn, "send completion on %pI4 had status "
"%u (%s), disconnecting and reconnecting\n",
&conn->c_faddr, wc.status,
- rds_ib_wc_status_str(wc.status));
+ ib_wc_status_msg(wc.status));
}
}
}
diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c
index 6cd9d1d..2082408 100644
--- a/net/rds/rdma_transport.c
+++ b/net/rds/rdma_transport.c
@@ -37,34 +37,6 @@
static struct rdma_cm_id *rds_rdma_listen_id;
-static char *rds_cm_event_strings[] = {
-#define RDS_CM_EVENT_STRING(foo) \
- [RDMA_CM_EVENT_##foo] = __stringify(RDMA_CM_EVENT_##foo)
- RDS_CM_EVENT_STRING(ADDR_RESOLVED),
- RDS_CM_EVENT_STRING(ADDR_ERROR),
- RDS_CM_EVENT_STRING(ROUTE_RESOLVED),
- RDS_CM_EVENT_STRING(ROUTE_ERROR),
- RDS_CM_EVENT_STRING(CONNECT_REQUEST),
- RDS_CM_EVENT_STRING(CONNECT_RESPONSE),
- RDS_CM_EVENT_STRING(CONNECT_ERROR),
- RDS_CM_EVENT_STRING(UNREACHABLE),
- RDS_CM_EVENT_STRING(REJECTED),
- RDS_CM_EVENT_STRING(ESTABLISHED),
- RDS_CM_EVENT_STRING(DISCONNECTED),
- RDS_CM_EVENT_STRING(DEVICE_REMOVAL),
- RDS_CM_EVENT_STRING(MULTICAST_JOIN),
- RDS_CM_EVENT_STRING(MULTICAST_ERROR),
- RDS_CM_EVENT_STRING(ADDR_CHANGE),
- RDS_CM_EVENT_STRING(TIMEWAIT_EXIT),
-#undef RDS_CM_EVENT_STRING
-};
-
-static char *rds_cm_event_str(enum rdma_cm_event_type type)
-{
- return rds_str_array(rds_cm_event_strings,
- ARRAY_SIZE(rds_cm_event_strings), type);
-};
-
int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
struct rdma_cm_event *event)
{
@@ -74,7 +46,7 @@
int ret = 0;
rdsdebug("conn %p id %p handling event %u (%s)\n", conn, cm_id,
- event->event, rds_cm_event_str(event->event));
+ event->event, rdma_event_msg(event->event));
if (cm_id->device->node_type == RDMA_NODE_RNIC)
trans = &rds_iw_transport;
@@ -139,7 +111,7 @@
default:
/* things like device disconnect? */
printk(KERN_ERR "RDS: unknown event %u (%s)!\n",
- event->event, rds_cm_event_str(event->event));
+ event->event, rdma_event_msg(event->event));
break;
}
@@ -148,7 +120,7 @@
mutex_unlock(&conn->c_cm_lock);
rdsdebug("id %p event %u (%s) handling ret %d\n", cm_id, event->event,
- rds_cm_event_str(event->event), ret);
+ rdma_event_msg(event->event), ret);
return ret;
}
diff --git a/net/rds/rds.h b/net/rds/rds.h
index 0d41155..099754c 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -575,7 +575,6 @@
};
/* af_rds.c */
-char *rds_str_array(char **array, size_t elements, size_t index);
void rds_sock_addref(struct rds_sock *rs);
void rds_sock_put(struct rds_sock *rs);
void rds_wake_sk_sleep(struct rds_sock *rs);
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index dff0481..d234521 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -128,8 +128,8 @@
/* WARNING: Only wr_id and status are reliable at this point */
r = (struct rpcrdma_mw *)(unsigned long)wc->wr_id;
- dprintk("RPC: %s: frmr %p (stale), status %d\n",
- __func__, r, wc->status);
+ dprintk("RPC: %s: frmr %p (stale), status %s (%d)\n",
+ __func__, r, ib_wc_status_msg(wc->status), wc->status);
r->r.frmr.fr_state = FRMR_IS_STALE;
}
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index f9f13a3..86b4416 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -117,8 +117,8 @@
static int rdma_read_max_sge(struct svcxprt_rdma *xprt, int sge_count)
{
- if (rdma_node_get_transport(xprt->sc_cm_id->device->node_type) ==
- RDMA_TRANSPORT_IWARP)
+ if (!rdma_cap_read_multi_sge(xprt->sc_cm_id->device,
+ xprt->sc_cm_id->port_num))
return 1;
else
return min_t(int, sge_count, xprt->sc_max_sge);
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index f609c1c..88eb994 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -175,8 +175,8 @@
static void cq_event_handler(struct ib_event *event, void *context)
{
struct svc_xprt *xprt = context;
- dprintk("svcrdma: received CQ event id=%d, context=%p\n",
- event->event, context);
+ dprintk("svcrdma: received CQ event %s (%d), context=%p\n",
+ ib_event_msg(event->event), event->event, context);
set_bit(XPT_CLOSE, &xprt->xpt_flags);
}
@@ -191,8 +191,9 @@
case IB_EVENT_COMM_EST:
case IB_EVENT_SQ_DRAINED:
case IB_EVENT_QP_LAST_WQE_REACHED:
- dprintk("svcrdma: QP event %d received for QP=%p\n",
- event->event, event->element.qp);
+ dprintk("svcrdma: QP event %s (%d) received for QP=%p\n",
+ ib_event_msg(event->event), event->event,
+ event->element.qp);
break;
/* These are considered fatal events */
case IB_EVENT_PATH_MIG_ERR:
@@ -201,9 +202,10 @@
case IB_EVENT_QP_ACCESS_ERR:
case IB_EVENT_DEVICE_FATAL:
default:
- dprintk("svcrdma: QP ERROR event %d received for QP=%p, "
+ dprintk("svcrdma: QP ERROR event %s (%d) received for QP=%p, "
"closing transport\n",
- event->event, event->element.qp);
+ ib_event_msg(event->event), event->event,
+ event->element.qp);
set_bit(XPT_CLOSE, &xprt->xpt_flags);
break;
}
@@ -402,7 +404,8 @@
for (i = 0; i < ret; i++) {
wc = &wc_a[i];
if (wc->status != IB_WC_SUCCESS) {
- dprintk("svcrdma: sq wc err status %d\n",
+ dprintk("svcrdma: sq wc err status %s (%d)\n",
+ ib_wc_status_msg(wc->status),
wc->status);
/* Close the transport */
@@ -616,7 +619,8 @@
switch (event->event) {
case RDMA_CM_EVENT_CONNECT_REQUEST:
dprintk("svcrdma: Connect request on cma_id=%p, xprt = %p, "
- "event=%d\n", cma_id, cma_id->context, event->event);
+ "event = %s (%d)\n", cma_id, cma_id->context,
+ rdma_event_msg(event->event), event->event);
handle_connect_req(cma_id,
event->param.conn.initiator_depth);
break;
@@ -636,7 +640,8 @@
default:
dprintk("svcrdma: Unexpected event on listening endpoint %p, "
- "event=%d\n", cma_id, event->event);
+ "event = %s (%d)\n", cma_id,
+ rdma_event_msg(event->event), event->event);
break;
}
@@ -669,7 +674,8 @@
break;
case RDMA_CM_EVENT_DEVICE_REMOVAL:
dprintk("svcrdma: Device removal cma_id=%p, xprt = %p, "
- "event=%d\n", cma_id, xprt, event->event);
+ "event = %s (%d)\n", cma_id, xprt,
+ rdma_event_msg(event->event), event->event);
if (xprt) {
set_bit(XPT_CLOSE, &xprt->xpt_flags);
svc_xprt_enqueue(xprt);
@@ -677,7 +683,8 @@
break;
default:
dprintk("svcrdma: Unexpected event on DTO endpoint %p, "
- "event=%d\n", cma_id, event->event);
+ "event = %s (%d)\n", cma_id,
+ rdma_event_msg(event->event), event->event);
break;
}
return 0;
@@ -851,7 +858,7 @@
struct ib_qp_init_attr qp_attr;
struct ib_device_attr devattr;
int uninitialized_var(dma_mr_acc);
- int need_dma_mr;
+ int need_dma_mr = 0;
int ret;
int i;
@@ -985,35 +992,26 @@
/*
* Determine if a DMA MR is required and if so, what privs are required
*/
- switch (rdma_node_get_transport(newxprt->sc_cm_id->device->node_type)) {
- case RDMA_TRANSPORT_IWARP:
- newxprt->sc_dev_caps |= SVCRDMA_DEVCAP_READ_W_INV;
- if (!(newxprt->sc_dev_caps & SVCRDMA_DEVCAP_FAST_REG)) {
- need_dma_mr = 1;
- dma_mr_acc =
- (IB_ACCESS_LOCAL_WRITE |
- IB_ACCESS_REMOTE_WRITE);
- } else if (!(devattr.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY)) {
- need_dma_mr = 1;
- dma_mr_acc = IB_ACCESS_LOCAL_WRITE;
- } else
- need_dma_mr = 0;
- break;
- case RDMA_TRANSPORT_IB:
- if (!(newxprt->sc_dev_caps & SVCRDMA_DEVCAP_FAST_REG)) {
- need_dma_mr = 1;
- dma_mr_acc = IB_ACCESS_LOCAL_WRITE;
- } else if (!(devattr.device_cap_flags &
- IB_DEVICE_LOCAL_DMA_LKEY)) {
- need_dma_mr = 1;
- dma_mr_acc = IB_ACCESS_LOCAL_WRITE;
- } else
- need_dma_mr = 0;
- break;
- default:
+ if (!rdma_protocol_iwarp(newxprt->sc_cm_id->device,
+ newxprt->sc_cm_id->port_num) &&
+ !rdma_ib_or_roce(newxprt->sc_cm_id->device,
+ newxprt->sc_cm_id->port_num))
goto errout;
+
+ if (!(newxprt->sc_dev_caps & SVCRDMA_DEVCAP_FAST_REG) ||
+ !(devattr.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY)) {
+ need_dma_mr = 1;
+ dma_mr_acc = IB_ACCESS_LOCAL_WRITE;
+ if (rdma_protocol_iwarp(newxprt->sc_cm_id->device,
+ newxprt->sc_cm_id->port_num) &&
+ !(newxprt->sc_dev_caps & SVCRDMA_DEVCAP_FAST_REG))
+ dma_mr_acc |= IB_ACCESS_REMOTE_WRITE;
}
+ if (rdma_protocol_iwarp(newxprt->sc_cm_id->device,
+ newxprt->sc_cm_id->port_num))
+ newxprt->sc_dev_caps |= SVCRDMA_DEVCAP_READ_W_INV;
+
/* Create the DMA MR if needed, otherwise, use the DMA LKEY */
if (need_dma_mr) {
/* Register all of physical memory */
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 4870d27..6f6b8a5 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -105,32 +105,6 @@
static DECLARE_TASKLET(rpcrdma_tasklet_g, rpcrdma_run_tasklet, 0UL);
-static const char * const async_event[] = {
- "CQ error",
- "QP fatal error",
- "QP request error",
- "QP access error",
- "communication established",
- "send queue drained",
- "path migration successful",
- "path mig error",
- "device fatal error",
- "port active",
- "port error",
- "LID change",
- "P_key change",
- "SM change",
- "SRQ error",
- "SRQ limit reached",
- "last WQE reached",
- "client reregister",
- "GID change",
-};
-
-#define ASYNC_MSG(status) \
- ((status) < ARRAY_SIZE(async_event) ? \
- async_event[(status)] : "unknown async error")
-
static void
rpcrdma_schedule_tasklet(struct list_head *sched_list)
{
@@ -148,7 +122,7 @@
struct rpcrdma_ep *ep = context;
pr_err("RPC: %s: %s on device %s ep %p\n",
- __func__, ASYNC_MSG(event->event),
+ __func__, ib_event_msg(event->event),
event->device->name, context);
if (ep->rep_connected == 1) {
ep->rep_connected = -EIO;
@@ -163,7 +137,7 @@
struct rpcrdma_ep *ep = context;
pr_err("RPC: %s: %s on device %s ep %p\n",
- __func__, ASYNC_MSG(event->event),
+ __func__, ib_event_msg(event->event),
event->device->name, context);
if (ep->rep_connected == 1) {
ep->rep_connected = -EIO;
@@ -172,35 +146,6 @@
}
}
-static const char * const wc_status[] = {
- "success",
- "local length error",
- "local QP operation error",
- "local EE context operation error",
- "local protection error",
- "WR flushed",
- "memory management operation error",
- "bad response error",
- "local access error",
- "remote invalid request error",
- "remote access error",
- "remote operation error",
- "transport retry counter exceeded",
- "RNR retry counter exceeded",
- "local RDD violation error",
- "remove invalid RD request",
- "operation aborted",
- "invalid EE context number",
- "invalid EE context state",
- "fatal error",
- "response timeout error",
- "general error",
-};
-
-#define COMPLETION_MSG(status) \
- ((status) < ARRAY_SIZE(wc_status) ? \
- wc_status[(status)] : "unexpected completion error")
-
static void
rpcrdma_sendcq_process_wc(struct ib_wc *wc)
{
@@ -209,7 +154,7 @@
if (wc->status != IB_WC_SUCCESS &&
wc->status != IB_WC_WR_FLUSH_ERR)
pr_err("RPC: %s: SEND: %s\n",
- __func__, COMPLETION_MSG(wc->status));
+ __func__, ib_wc_status_msg(wc->status));
} else {
struct rpcrdma_mw *r;
@@ -302,7 +247,7 @@
out_fail:
if (wc->status != IB_WC_WR_FLUSH_ERR)
pr_err("RPC: %s: rep %p: %s\n",
- __func__, rep, COMPLETION_MSG(wc->status));
+ __func__, rep, ib_wc_status_msg(wc->status));
rep->rr_len = ~0U;
goto out_schedule;
}
@@ -386,31 +331,6 @@
rpcrdma_sendcq_process_wc(&wc);
}
-#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
-static const char * const conn[] = {
- "address resolved",
- "address error",
- "route resolved",
- "route error",
- "connect request",
- "connect response",
- "connect error",
- "unreachable",
- "rejected",
- "established",
- "disconnected",
- "device removal",
- "multicast join",
- "multicast error",
- "address change",
- "timewait exit",
-};
-
-#define CONNECTION_MSG(status) \
- ((status) < ARRAY_SIZE(conn) ? \
- conn[(status)] : "unrecognized connection error")
-#endif
-
static int
rpcrdma_conn_upcall(struct rdma_cm_id *id, struct rdma_cm_event *event)
{
@@ -476,7 +396,7 @@
default:
dprintk("RPC: %s: %pIS:%u (ep 0x%p): %s\n",
__func__, sap, rpc_get_port(sap), ep,
- CONNECTION_MSG(event->event));
+ rdma_event_msg(event->event));
break;
}