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Subject[PATCH v4 01/27] IB/Verbs: Implement new callback query_transport()

Add new callback query_transport() and implement for each HW.

Mapping List:
node-type link-layer old-transport new-transport
nes RNIC ETH IWARP IWARP
amso1100 RNIC ETH IWARP IWARP
cxgb3 RNIC ETH IWARP IWARP
cxgb4 RNIC ETH IWARP IWARP
usnic USNIC_UDP ETH USNIC_UDP USNIC_UDP
ocrdma IB_CA ETH IB IBOE
mlx4 IB_CA IB/ETH IB IB/IBOE
mlx5 IB_CA IB IB IB
ehca IB_CA IB IB IB
ipath IB_CA IB IB IB
mthca IB_CA IB IB IB
qib IB_CA IB IB IB

Cc: Steve Wise <swise@opengridcomputing.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Michael Wang <yun.wang@profitbricks.com>
---
drivers/infiniband/core/device.c | 1 +
drivers/infiniband/core/verbs.c | 4 +++-
drivers/infiniband/hw/amso1100/c2_provider.c | 7 +++++++
drivers/infiniband/hw/cxgb3/iwch_provider.c | 7 +++++++
drivers/infiniband/hw/cxgb4/provider.c | 7 +++++++
drivers/infiniband/hw/ehca/ehca_hca.c | 6 ++++++
drivers/infiniband/hw/ehca/ehca_iverbs.h | 3 +++
drivers/infiniband/hw/ehca/ehca_main.c | 1 +
drivers/infiniband/hw/ipath/ipath_verbs.c | 7 +++++++
drivers/infiniband/hw/mlx4/main.c | 10 ++++++++++
drivers/infiniband/hw/mlx5/main.c | 7 +++++++
drivers/infiniband/hw/mthca/mthca_provider.c | 7 +++++++
drivers/infiniband/hw/nes/nes_verbs.c | 6 ++++++
drivers/infiniband/hw/ocrdma/ocrdma_main.c | 1 +
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 6 ++++++
drivers/infiniband/hw/ocrdma/ocrdma_verbs.h | 3 +++
drivers/infiniband/hw/qib/qib_verbs.c | 7 +++++++
drivers/infiniband/hw/usnic/usnic_ib_main.c | 1 +
drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 6 ++++++
drivers/infiniband/hw/usnic/usnic_ib_verbs.h | 2 ++
include/rdma/ib_verbs.h | 7 ++++++-
21 files changed, 104 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 18c1ece..a9587c4 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -76,6 +76,7 @@ static int ib_device_check_mandatory(struct ib_device *device)
} mandatory_table[] = {
IB_MANDATORY_FUNC(query_device),
IB_MANDATORY_FUNC(query_port),
+ IB_MANDATORY_FUNC(query_transport),
IB_MANDATORY_FUNC(query_pkey),
IB_MANDATORY_FUNC(query_gid),
IB_MANDATORY_FUNC(alloc_pd),
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index f93eb8d..626c9cf 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -133,14 +133,16 @@ enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, u8 port_
if (device->get_link_layer)
return device->get_link_layer(device, port_num);

- switch (rdma_node_get_transport(device->node_type)) {
+ switch (device->query_transport(device, port_num)) {
case RDMA_TRANSPORT_IB:
return IB_LINK_LAYER_INFINIBAND;
+ case RDMA_TRANSPORT_IBOE:
case RDMA_TRANSPORT_IWARP:
case RDMA_TRANSPORT_USNIC:
case RDMA_TRANSPORT_USNIC_UDP:
return IB_LINK_LAYER_ETHERNET;
default:
+ BUG();
return IB_LINK_LAYER_UNSPECIFIED;
}
}
diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c
index bdf3507..d46bbb0 100644
--- a/drivers/infiniband/hw/amso1100/c2_provider.c
+++ b/drivers/infiniband/hw/amso1100/c2_provider.c
@@ -99,6 +99,12 @@ static int c2_query_port(struct ib_device *ibdev,
return 0;
}

+static enum rdma_transport_type
+c2_query_transport(struct ib_device *device, u8 port_num)
+{
+ return RDMA_TRANSPORT_IWARP;
+}
+
static int c2_query_pkey(struct ib_device *ibdev,
u8 port, u16 index, u16 * pkey)
{
@@ -801,6 +807,7 @@ int c2_register_device(struct c2_dev *dev)
dev->ibdev.dma_device = &dev->pcidev->dev;
dev->ibdev.query_device = c2_query_device;
dev->ibdev.query_port = c2_query_port;
+ dev->ibdev.query_transport = c2_query_transport;
dev->ibdev.query_pkey = c2_query_pkey;
dev->ibdev.query_gid = c2_query_gid;
dev->ibdev.alloc_ucontext = c2_alloc_ucontext;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 811b24a..09682e9e 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1232,6 +1232,12 @@ static int iwch_query_port(struct ib_device *ibdev,
return 0;
}

+static enum rdma_transport_type
+iwch_query_transport(struct ib_device *device, u8 port_num)
+{
+ return RDMA_TRANSPORT_IWARP;
+}
+
static ssize_t show_rev(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -1385,6 +1391,7 @@ int iwch_register_device(struct iwch_dev *dev)
dev->ibdev.dma_device = &(dev->rdev.rnic_info.pdev->dev);
dev->ibdev.query_device = iwch_query_device;
dev->ibdev.query_port = iwch_query_port;
+ dev->ibdev.query_transport = iwch_query_transport;
dev->ibdev.query_pkey = iwch_query_pkey;
dev->ibdev.query_gid = iwch_query_gid;
dev->ibdev.alloc_ucontext = iwch_alloc_ucontext;
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
index 66bd6a2..a445e0d 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -390,6 +390,12 @@ static int c4iw_query_port(struct ib_device *ibdev, u8 port,
return 0;
}

+static enum rdma_transport_type
+c4iw_query_transport(struct ib_device *device, u8 port_num)
+{
+ return RDMA_TRANSPORT_IWARP;
+}
+
static ssize_t show_rev(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -506,6 +512,7 @@ int c4iw_register_device(struct c4iw_dev *dev)
dev->ibdev.dma_device = &(dev->rdev.lldi.pdev->dev);
dev->ibdev.query_device = c4iw_query_device;
dev->ibdev.query_port = c4iw_query_port;
+ dev->ibdev.query_transport = c4iw_query_transport;
dev->ibdev.query_pkey = c4iw_query_pkey;
dev->ibdev.query_gid = c4iw_query_gid;
dev->ibdev.alloc_ucontext = c4iw_alloc_ucontext;
diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/infiniband/hw/ehca/ehca_hca.c
index 9ed4d25..d5a34a6 100644
--- a/drivers/infiniband/hw/ehca/ehca_hca.c
+++ b/drivers/infiniband/hw/ehca/ehca_hca.c
@@ -242,6 +242,12 @@ query_port1:
return ret;
}

+enum rdma_transport_type
+ehca_query_transport(struct ib_device *device, u8 port_num)
+{
+ return RDMA_TRANSPORT_IB;
+}
+
int ehca_query_sma_attr(struct ehca_shca *shca,
u8 port, struct ehca_sma_attr *attr)
{
diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h
index 22f79af..cec945f 100644
--- a/drivers/infiniband/hw/ehca/ehca_iverbs.h
+++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h
@@ -49,6 +49,9 @@ int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props);
int ehca_query_port(struct ib_device *ibdev, u8 port,
struct ib_port_attr *props);

+enum rdma_transport_type
+ehca_query_transport(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..60e0a09 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -467,6 +467,7 @@ static int ehca_init_device(struct ehca_shca *shca)
shca->ib_device.dma_device = &shca->ofdev->dev;
shca->ib_device.query_device = ehca_query_device;
shca->ib_device.query_port = ehca_query_port;
+ shca->ib_device.query_transport = ehca_query_transport;
shca->ib_device.query_gid = ehca_query_gid;
shca->ib_device.query_pkey = ehca_query_pkey;
/* shca->in_device.modify_device = ehca_modify_device */
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 44ea939..58d36e3 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -1638,6 +1638,12 @@ static int ipath_query_port(struct ib_device *ibdev,
return 0;
}

+static enum rdma_transport_type
+ipath_query_transport(struct ib_device *device, u8 port_num)
+{
+ return RDMA_TRANSPORT_IB;
+}
+
static int ipath_modify_device(struct ib_device *device,
int device_modify_mask,
struct ib_device_modify *device_modify)
@@ -2140,6 +2146,7 @@ int ipath_register_ib_device(struct ipath_devdata *dd)
dev->query_device = ipath_query_device;
dev->modify_device = ipath_modify_device;
dev->query_port = ipath_query_port;
+ dev->query_transport = ipath_query_transport;
dev->modify_port = ipath_modify_port;
dev->query_pkey = ipath_query_pkey;
dev->query_gid = ipath_query_gid;
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index b972c0b..e1424ad 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -420,6 +420,15 @@ static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
return __mlx4_ib_query_port(ibdev, port, props, 0);
}

+static enum rdma_transport_type
+mlx4_ib_query_transport(struct ib_device *device, u8 port_num)
+{
+ struct mlx4_dev *dev = to_mdev(device)->dev;
+
+ return dev->caps.port_mask[port_num] == MLX4_PORT_TYPE_IB ?
+ RDMA_TRANSPORT_IB : RDMA_TRANSPORT_IBOE;
+}
+
int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
union ib_gid *gid, int netw_view)
{
@@ -2201,6 +2210,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)

ibdev->ib_dev.query_device = mlx4_ib_query_device;
ibdev->ib_dev.query_port = mlx4_ib_query_port;
+ ibdev->ib_dev.query_transport = mlx4_ib_query_transport;
ibdev->ib_dev.get_link_layer = mlx4_ib_port_link_layer;
ibdev->ib_dev.query_gid = mlx4_ib_query_gid;
ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey;
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index cc4ac1e..209c796 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -351,6 +351,12 @@ out:
return err;
}

+static enum rdma_transport_type
+mlx5_ib_query_transport(struct ib_device *device, u8 port_num)
+{
+ return RDMA_TRANSPORT_IB;
+}
+
static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
union ib_gid *gid)
{
@@ -1336,6 +1342,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)

dev->ib_dev.query_device = mlx5_ib_query_device;
dev->ib_dev.query_port = mlx5_ib_query_port;
+ dev->ib_dev.query_transport = mlx5_ib_query_transport;
dev->ib_dev.query_gid = mlx5_ib_query_gid;
dev->ib_dev.query_pkey = mlx5_ib_query_pkey;
dev->ib_dev.modify_device = mlx5_ib_modify_device;
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 415f8e1..67ac6a4 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -179,6 +179,12 @@ static int mthca_query_port(struct ib_device *ibdev,
return err;
}

+static enum rdma_transport_type
+mthca_query_transport(struct ib_device *device, u8 port_num)
+{
+ return RDMA_TRANSPORT_IB;
+}
+
static int mthca_modify_device(struct ib_device *ibdev,
int mask,
struct ib_device_modify *props)
@@ -1281,6 +1287,7 @@ int mthca_register_device(struct mthca_dev *dev)
dev->ib_dev.dma_device = &dev->pdev->dev;
dev->ib_dev.query_device = mthca_query_device;
dev->ib_dev.query_port = mthca_query_port;
+ dev->ib_dev.query_transport = mthca_query_transport;
dev->ib_dev.modify_device = mthca_modify_device;
dev->ib_dev.modify_port = mthca_modify_port;
dev->ib_dev.query_pkey = mthca_query_pkey;
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index c0d0296..8df5b61 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -606,6 +606,11 @@ static int nes_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr
return 0;
}

+static enum rdma_transport_type
+nes_query_transport(struct ib_device *device, u8 port_num)
+{
+ return RDMA_TRANSPORT_IWARP;
+}

/**
* nes_query_pkey
@@ -3879,6 +3884,7 @@ struct nes_ib_device *nes_init_ofa_device(struct net_device *netdev)
nesibdev->ibdev.dev.parent = &nesdev->pcidev->dev;
nesibdev->ibdev.query_device = nes_query_device;
nesibdev->ibdev.query_port = nes_query_port;
+ nesibdev->ibdev.query_transport = nes_query_transport;
nesibdev->ibdev.query_pkey = nes_query_pkey;
nesibdev->ibdev.query_gid = nes_query_gid;
nesibdev->ibdev.alloc_ucontext = nes_alloc_ucontext;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index 7a2b59a..9f4d182 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -244,6 +244,7 @@ static int ocrdma_register_device(struct ocrdma_dev *dev)
/* mandatory verbs. */
dev->ibdev.query_device = ocrdma_query_device;
dev->ibdev.query_port = ocrdma_query_port;
+ dev->ibdev.query_transport = ocrdma_query_transport;
dev->ibdev.modify_port = ocrdma_modify_port;
dev->ibdev.query_gid = ocrdma_query_gid;
dev->ibdev.get_link_layer = ocrdma_link_layer;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 8771755..73bace4 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -187,6 +187,12 @@ int ocrdma_query_port(struct ib_device *ibdev,
return 0;
}

+enum rdma_transport_type
+ocrdma_query_transport(struct ib_device *device, u8 port_num)
+{
+ return RDMA_TRANSPORT_IBOE;
+}
+
int ocrdma_modify_port(struct ib_device *ibdev, u8 port, int mask,
struct ib_port_modify *props)
{
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
index b8f7853..4a81b63 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
@@ -41,6 +41,9 @@ int ocrdma_query_port(struct ib_device *, u8 port, struct ib_port_attr *props);
int ocrdma_modify_port(struct ib_device *, u8 port, int mask,
struct ib_port_modify *props);

+enum rdma_transport_type
+ocrdma_query_transport(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..caad665 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -1650,6 +1650,12 @@ static int qib_query_port(struct ib_device *ibdev, u8 port,
return 0;
}

+static enum rdma_transport_type
+qib_query_transport(struct ib_device *device, u8 port_num)
+{
+ return RDMA_TRANSPORT_IB;
+}
+
static int qib_modify_device(struct ib_device *device,
int device_modify_mask,
struct ib_device_modify *device_modify)
@@ -2184,6 +2190,7 @@ int qib_register_ib_device(struct qib_devdata *dd)
ibdev->query_device = qib_query_device;
ibdev->modify_device = qib_modify_device;
ibdev->query_port = qib_query_port;
+ ibdev->query_transport = qib_query_transport;
ibdev->modify_port = qib_modify_port;
ibdev->query_pkey = qib_query_pkey;
ibdev->query_gid = qib_query_gid;
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_main.c b/drivers/infiniband/hw/usnic/usnic_ib_main.c
index 0d0f986..03ea9f3 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_main.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_main.c
@@ -360,6 +360,7 @@ static void *usnic_ib_device_add(struct pci_dev *dev)

us_ibdev->ib_dev.query_device = usnic_ib_query_device;
us_ibdev->ib_dev.query_port = usnic_ib_query_port;
+ us_ibdev->ib_dev.query_transport = usnic_ib_query_transport;
us_ibdev->ib_dev.query_pkey = usnic_ib_query_pkey;
us_ibdev->ib_dev.query_gid = usnic_ib_query_gid;
us_ibdev->ib_dev.get_link_layer = usnic_ib_port_link_layer;
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
index 53bd6a2..ff9a5f7 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
@@ -348,6 +348,12 @@ int usnic_ib_query_port(struct ib_device *ibdev, u8 port,
return 0;
}

+enum rdma_transport_type
+usnic_ib_query_transport(struct ib_device *device, u8 port_num)
+{
+ return RDMA_TRANSPORT_USNIC_UDP;
+}
+
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/hw/usnic/usnic_ib_verbs.h b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h
index bb864f5..0b1633b 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h
@@ -27,6 +27,8 @@ int usnic_ib_query_device(struct ib_device *ibdev,
struct ib_device_attr *props);
int usnic_ib_query_port(struct ib_device *ibdev, u8 port,
struct ib_port_attr *props);
+enum rdma_transport_type
+usnic_ib_query_transport(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/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 65994a1..d54f91e 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -75,10 +75,13 @@ enum rdma_node_type {
};

enum rdma_transport_type {
+ /* legacy for users */
RDMA_TRANSPORT_IB,
RDMA_TRANSPORT_IWARP,
RDMA_TRANSPORT_USNIC,
- RDMA_TRANSPORT_USNIC_UDP
+ RDMA_TRANSPORT_USNIC_UDP,
+ /* new transport */
+ RDMA_TRANSPORT_IBOE,
};

__attribute_const__ enum rdma_transport_type
@@ -1501,6 +1504,8 @@ struct ib_device {
int (*query_port)(struct ib_device *device,
u8 port_num,
struct ib_port_attr *port_attr);
+ enum rdma_transport_type (*query_transport)(struct ib_device *device,
+ u8 port_num);
enum rdma_link_layer (*get_link_layer)(struct ib_device *device,
u8 port_num);
int (*query_gid)(struct ib_device *device,
--
2.1.0

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