From: Ira Weiny <[email protected]> This way both the IB core and upper level drivers can access these cached device attributes rather than querying or caching them on their own.
Signed-off-by: Ira Weiny <[email protected]> Signed-off-by: Or Gerlitz <[email protected]> --- drivers/infiniband/core/device.c | 8 ++++++++ include/rdma/ib_verbs.h | 1 + 2 files changed, 9 insertions(+) diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 179e813..568592e3 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -325,6 +325,7 @@ int ib_register_device(struct ib_device *device, { int ret; struct ib_client *client; + struct ib_udata uhw = {.outlen = 0, .inlen = 0}; mutex_lock(&device_mutex); @@ -352,6 +353,13 @@ int ib_register_device(struct ib_device *device, goto out; } + memset(&device->attrs, 0, sizeof(device->attrs)); + ret = device->query_device(device, &device->attrs, &uhw); + if (ret) { + printk(KERN_WARNING "Couldn't query the device attributes\n"); + goto out; + } + ret = ib_device_register_sysfs(device, port_callback); if (ret) { printk(KERN_WARNING "Couldn't register device %s with driver model\n", diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 120da1d..730dcfb 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1823,6 +1823,7 @@ struct ib_device { u16 is_switch:1; u8 node_type; u8 phys_port_cnt; + struct ib_device_attr attrs; /** * The following mandatory functions are used only at device -- 2.3.7 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
