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IB/core: Create common start/end port functions

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Previously start_port and end_port were defined in 2 places, cache.c and
device.c and this prevented their use in other modules.

Make these common functions, change the name to reflect the rdma
name space, and update existing users.

Signed-off-by: Ira Weiny <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
Ira Weiny 2015-05-13 20:02:55 -04:00 • committed by Doug Ledford
commit 0cf18d7723
3 changed files with 59 additions and 55 deletions
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27
include/rdma/ib_verbs.h
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@ -1752,6 +1752,33 @@ int ib_query_port(struct ib_device *device,
enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device,
u8 port_num);
/**
* rdma_start_port - Return the first valid port number for the device
* specified
*
* @device: Device to be checked
*
* Return start port number
*/
static inline u8 rdma_start_port(const struct ib_device *device)
{
return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1;
}
/**
* rdma_end_port - Return the last valid port number for the device
* specified
*
* @device: Device to be checked
*
* Return last port number
*/
static inline u8 rdma_end_port(const struct ib_device *device)
{
return (device->node_type == RDMA_NODE_IB_SWITCH) ?
0 : device->phys_port_cnt;
}
static inline bool rdma_protocol_ib(struct ib_device *device, u8 port_num)
{
return device->query_protocol(device, port_num) == RDMA_PROTOCOL_IB;