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IB/core: Pass hardware specific data in query_device 

Vendors should be able to pass vendor specific data to/from
user-space via query_device uverb. In order to do this,
we need to pass the vendors' specific udata.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Matan Barak 2015-06-11 16:35:25 +03:00 committed by Doug Ledford
parent 24306dc661
commit 2528e33e68
18 changed files with 75 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/infiniband/core/device.c
View File

@ -539,9 +539,11 @@ EXPORT_SYMBOL(ib_dispatch_event);
int ib_query_device(struct ib_device *device,
struct ib_device_attr *device_attr)
{
struct ib_udata uhw = {.outlen = 0, .inlen = 0};
memset(device_attr, 0, sizeof(*device_attr));
return device->query_device(device, device_attr);
return device->query_device(device, device_attr, &uhw);
}
EXPORT_SYMBOL(ib_query_device);

2
drivers/infiniband/core/uverbs_cmd.c
View File

@ -3428,7 +3428,7 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file,
memset(&attr, 0, sizeof(attr));
err = device->query_device(device, &attr);
err = device->query_device(device, &attr, uhw);
if (err)
return err;

7
drivers/infiniband/hw/amso1100/c2_provider.c
View File

@ -63,13 +63,16 @@
#include "c2_provider.h"
#include "c2_user.h"
static int c2_query_device(struct ib_device *ibdev,
struct ib_device_attr *props)
static int c2_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct ib_udata *uhw)
{
struct c2_dev *c2dev = to_c2dev(ibdev);
pr_debug("%s:%u\n", __func__, __LINE__);
if (uhw->inlen || uhw->outlen)
return -EINVAL;
*props = c2dev->props;
return 0;
}

8
drivers/infiniband/hw/cxgb3/iwch_provider.c
View File

@ -1150,13 +1150,17 @@ static u64 fw_vers_string_to_u64(struct iwch_dev *iwch_dev)
(fw_mic & 0xffff);
}
static int iwch_query_device(struct ib_device *ibdev,
struct ib_device_attr *props)
static int iwch_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct ib_udata *uhw)
{
struct iwch_dev *dev;
PDBG("%s ibdev %p\n", __func__, ibdev);
if (uhw->inlen || uhw->outlen)
return -EINVAL;
dev = to_iwch_dev(ibdev);
memset(props, 0, sizeof *props);
memcpy(&props->sys_image_guid, dev->rdev.t3cdev_p->lldev->dev_addr, 6);

8
drivers/infiniband/hw/cxgb4/provider.c
View File

@ -302,13 +302,17 @@ static int c4iw_query_gid(struct ib_device *ibdev, u8 port, int index,
return 0;
}
static int c4iw_query_device(struct ib_device *ibdev,
struct ib_device_attr *props)
static int c4iw_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct ib_udata *uhw)
{
struct c4iw_dev *dev;
PDBG("%s ibdev %p\n", __func__, ibdev);
if (uhw->inlen || uhw->outlen)
return -EINVAL;
dev = to_c4iw_dev(ibdev);
memset(props, 0, sizeof *props);
memcpy(&props->sys_image_guid, dev->rdev.lldi.ports[0]->dev_addr, 6);

6
drivers/infiniband/hw/ehca/ehca_hca.c
View File

@ -50,7 +50,8 @@ static unsigned int limit_uint(unsigned int value)
return min_t(unsigned int, value, INT_MAX);
}
int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct ib_udata *uhw)
{
int i, ret = 0;
struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
@ -71,6 +72,9 @@ int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
IB_DEVICE_PORT_ACTIVE_EVENT, HCA_CAP_PORT_ACTIVE_EVENT,
};
if (uhw->inlen || uhw->outlen)
return -EINVAL;
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");

3
drivers/infiniband/hw/ehca/ehca_iverbs.h
View File

@ -44,7 +44,8 @@
#include "ehca_classes.h"
int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props);
int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct ib_udata *uhw);
int ehca_query_port(struct ib_device *ibdev, u8 port,
struct ib_port_attr *props);

7
drivers/infiniband/hw/ipath/ipath_verbs.c
View File

@ -1495,11 +1495,14 @@ bail:
return 0;
}
static int ipath_query_device(struct ib_device *ibdev,
struct ib_device_attr *props)
static int ipath_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct ib_udata *uhw)
{
struct ipath_ibdev *dev = to_idev(ibdev);
if (uhw->inlen || uhw->outlen)
return -EINVAL;
memset(props, 0, sizeof(*props));
props->device_cap_flags = IB_DEVICE_BAD_PKEY_CNTR |

6
drivers/infiniband/hw/mlx4/main.c
View File

@ -132,7 +132,8 @@ static int num_ib_ports(struct mlx4_dev *dev)
}
static int mlx4_ib_query_device(struct ib_device *ibdev,
struct ib_device_attr *props)
struct ib_device_attr *props,
struct ib_udata *uhw)
{
struct mlx4_ib_dev *dev = to_mdev(ibdev);
struct ib_smp *in_mad = NULL;
@ -140,6 +141,9 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
int err = -ENOMEM;
int have_ib_ports;
if (uhw->inlen || uhw->outlen)
return -EINVAL;
in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
if (!in_mad || !out_mad)

9
drivers/infiniband/hw/mlx5/main.c
View File

@ -63,7 +63,8 @@ static char mlx5_version[] =
DRIVER_VERSION " (" DRIVER_RELDATE ")\n";
static int mlx5_ib_query_device(struct ib_device *ibdev,
struct ib_device_attr *props)
struct ib_device_attr *props,
struct ib_udata *uhw)
{
struct mlx5_ib_dev *dev = to_mdev(ibdev);
struct ib_smp *in_mad = NULL;
@ -74,6 +75,9 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
int max_sq_sg;
u64 flags;
if (uhw->inlen || uhw->outlen)
return -EINVAL;
gen = &dev->mdev->caps.gen;
in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
@ -910,6 +914,7 @@ static int get_port_caps(struct mlx5_ib_dev *dev)
struct mlx5_general_caps *gen;
int err = -ENOMEM;
int port;
struct ib_udata uhw = {.inlen = 0, .outlen = 0};
gen = &dev->mdev->caps.gen;
pprops = kmalloc(sizeof(*pprops), GFP_KERNEL);
@ -920,7 +925,7 @@ static int get_port_caps(struct mlx5_ib_dev *dev)
if (!dprops)
goto out;
err = mlx5_ib_query_device(&dev->ib_dev, dprops);
err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw);
if (err) {
mlx5_ib_warn(dev, "query_device failed %d\n", err);
goto out;

7
drivers/infiniband/hw/mthca/mthca_provider.c
View File

@ -57,14 +57,17 @@ static void init_query_mad(struct ib_smp *mad)
mad->method = IB_MGMT_METHOD_GET;
}
static int mthca_query_device(struct ib_device *ibdev,
struct ib_device_attr *props)
static int mthca_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct ib_udata *uhw)
{
struct ib_smp *in_mad = NULL;
struct ib_smp *out_mad = NULL;
int err = -ENOMEM;
struct mthca_dev *mdev = to_mdev(ibdev);
if (uhw->inlen || uhw->outlen)
return -EINVAL;
in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
if (!in_mad || !out_mad)

6
drivers/infiniband/hw/nes/nes_verbs.c
View File

@ -512,12 +512,16 @@ static void nes_free_fast_reg_page_list(struct ib_fast_reg_page_list *pifrpl)
/**
* nes_query_device
*/
static int nes_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
static int nes_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct ib_udata *uhw)
{
struct nes_vnic *nesvnic = to_nesvnic(ibdev);
struct nes_device *nesdev = nesvnic->nesdev;
struct nes_ib_device *nesibdev = nesvnic->nesibdev;
if (uhw->inlen || uhw->outlen)
return -EINVAL;
memset(props, 0, sizeof(*props));
memcpy(&props->sys_image_guid, nesvnic->netdev->dev_addr, 6);

6
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
View File

@ -61,10 +61,14 @@ int ocrdma_query_gid(struct ib_device *ibdev, u8 port,
return 0;
}
int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr)
int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr,
struct ib_udata *uhw)
{
struct ocrdma_dev *dev = get_ocrdma_dev(ibdev);
if (uhw->inlen || uhw->outlen)
return -EINVAL;
memset(attr, 0, sizeof *attr);
memcpy(&attr->fw_ver, &dev->attr.fw_ver[0],
min(sizeof(dev->attr.fw_ver), sizeof(attr->fw_ver)));

3
drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
View File

@ -36,7 +36,8 @@ int ocrdma_post_recv(struct ib_qp *, struct ib_recv_wr *,
int ocrdma_poll_cq(struct ib_cq *, int num_entries, struct ib_wc *wc);
int ocrdma_arm_cq(struct ib_cq *, enum ib_cq_notify_flags flags);
int ocrdma_query_device(struct ib_device *, struct ib_device_attr *props);
int ocrdma_query_device(struct ib_device *, struct ib_device_attr *props,
struct ib_udata *uhw);
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);

6
drivers/infiniband/hw/qib/qib_verbs.c
View File

@ -1550,12 +1550,14 @@ full:
}
}
static int qib_query_device(struct ib_device *ibdev,
struct ib_device_attr *props)
static int qib_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct ib_udata *uhw)
{
struct qib_devdata *dd = dd_from_ibdev(ibdev);
struct qib_ibdev *dev = to_idev(ibdev);
if (uhw->inlen || uhw->outlen)
return -EINVAL;
memset(props, 0, sizeof(*props));
props->device_cap_flags = IB_DEVICE_BAD_PKEY_CNTR |

6
drivers/infiniband/hw/usnic/usnic_ib_verbs.c
View File

@ -248,7 +248,8 @@ enum rdma_link_layer usnic_ib_port_link_layer(struct ib_device *device,
}
int usnic_ib_query_device(struct ib_device *ibdev,
struct ib_device_attr *props)
struct ib_device_attr *props,
struct ib_udata *uhw)
{
struct usnic_ib_dev *us_ibdev = to_usdev(ibdev);
union ib_gid gid;
@ -257,6 +258,9 @@ int usnic_ib_query_device(struct ib_device *ibdev,
int qp_per_vf;
usnic_dbg("\n");
if (uhw->inlen || uhw->outlen)
return -EINVAL;
mutex_lock(&us_ibdev->usdev_lock);
us_ibdev->netdev->ethtool_ops->get_drvinfo(us_ibdev->netdev, &info);
us_ibdev->netdev->ethtool_ops->get_settings(us_ibdev->netdev, &cmd);

3
drivers/infiniband/hw/usnic/usnic_ib_verbs.h
View File

@ -24,7 +24,8 @@
enum rdma_link_layer usnic_ib_port_link_layer(struct ib_device *device,
u8 port_num);
int usnic_ib_query_device(struct ib_device *ibdev,
struct ib_device_attr *props);
struct ib_device_attr *props,
struct ib_udata *uhw);
int usnic_ib_query_port(struct ib_device *ibdev, u8 port,
struct ib_port_attr *props);
enum rdma_protocol_type

3
include/rdma/ib_verbs.h
View File

@ -1561,7 +1561,8 @@ struct ib_device {
int (*get_protocol_stats)(struct ib_device *device,
union rdma_protocol_stats *stats);
int (*query_device)(struct ib_device *device,
struct ib_device_attr *device_attr);
struct ib_device_attr *device_attr,
struct ib_udata *udata);
int (*query_port)(struct ib_device *device,
u8 port_num,
struct ib_port_attr *port_attr);