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[PATCH] IB: Update MAD client API

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Automatically allocate a MR when registering a MAD agent.
MAD clients are modified to use this updated API.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Hal Rosenstock <halr@voltaire.com>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Hal Rosenstock 2005-07-27 11:45:22 -07:00 • committed by Linus Torvalds
parent c183a4c335
commit b82cab6b33
5 changed files with 24 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

14
drivers/infiniband/core/agent.c
View file

@ -134,7 +134,7 @@ static int agent_mad_send(struct ib_mad_agent *mad_agent,
sizeof(mad_priv->mad),
DMA_TO_DEVICE);
gather_list.length = sizeof(mad_priv->mad);
gather_list.lkey = (*port_priv->mr).lkey;
gather_list.lkey = mad_agent->mr->lkey;
send_wr.next = NULL;
send_wr.opcode = IB_WR_SEND;
@ -322,22 +322,12 @@ int ib_agent_port_open(struct ib_device *device, int port_num)
goto error3;
}
port_priv->mr = ib_get_dma_mr(port_priv->smp_agent->qp->pd,
IB_ACCESS_LOCAL_WRITE);
if (IS_ERR(port_priv->mr)) {
printk(KERN_ERR SPFX "Couldn't get DMA MR\n");
ret = PTR_ERR(port_priv->mr);
goto error4;
}
spin_lock_irqsave(&ib_agent_port_list_lock, flags);
list_add_tail(&port_priv->port_list, &ib_agent_port_list);
spin_unlock_irqrestore(&ib_agent_port_list_lock, flags);
return 0;
error4:
ib_unregister_mad_agent(port_priv->perf_mgmt_agent);
error3:
ib_unregister_mad_agent(port_priv->smp_agent);
error2:
@ -361,8 +351,6 @@ int ib_agent_port_close(struct ib_device *device, int port_num)
list_del(&port_priv->port_list);
spin_unlock_irqrestore(&ib_agent_port_list_lock, flags);
ib_dereg_mr(port_priv->mr);
ib_unregister_mad_agent(port_priv->perf_mgmt_agent);
ib_unregister_mad_agent(port_priv->smp_agent);
kfree(port_priv);