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IB/core: Save the device attributes on the device structure

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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 <ira.weiny@intel.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Ira Weiny 2015-12-18 10:59:44 +02:00 committed by Doug Ledford
parent 4ef7675344
commit 3e153a93a1
2 changed files with 9 additions and 0 deletions
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8
drivers/infiniband/core/device.c
View File

@ -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",

1
include/rdma/ib_verbs.h
View File

@ -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