AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/infiniband/core/device.c
View File

@ -325,6 +325,7 @@ int ib_register_device(struct ib_device *device,
{ {
int ret; int ret;
struct ib_client *client; struct ib_client *client;
struct ib_udata uhw = {.outlen = 0, .inlen = 0};
mutex_lock(&device_mutex); mutex_lock(&device_mutex);
@ -352,6 +353,13 @@ int ib_register_device(struct ib_device *device,
goto out; 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); ret = ib_device_register_sysfs(device, port_callback);
if (ret) { if (ret) {
printk(KERN_WARNING "Couldn't register device %s with driver model\n", 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; u16 is_switch:1;
u8 node_type; u8 node_type;
u8 phys_port_cnt; u8 phys_port_cnt;
struct ib_device_attr attrs;
/** /**
* The following mandatory functions are used only at device * The following mandatory functions are used only at device