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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

31
drivers/infiniband/core/mad.c
View File

@@ -261,19 +261,26 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
ret = ERR_PTR(-ENOMEM);
goto error1;
}
memset(mad_agent_priv, 0, sizeof *mad_agent_priv);
mad_agent_priv->agent.mr = ib_get_dma_mr(port_priv->qp_info[qpn].qp->pd,
IB_ACCESS_LOCAL_WRITE);
if (IS_ERR(mad_agent_priv->agent.mr)) {
ret = ERR_PTR(-ENOMEM);
goto error2;
}
if (mad_reg_req) {
reg_req = kmalloc(sizeof *reg_req, GFP_KERNEL);
if (!reg_req) {
ret = ERR_PTR(-ENOMEM);
goto error2;
goto error3;
}
/* Make a copy of the MAD registration request */
memcpy(reg_req, mad_reg_req, sizeof *reg_req);
}
/* Now, fill in the various structures */
memset(mad_agent_priv, 0, sizeof *mad_agent_priv);
mad_agent_priv->qp_info = &port_priv->qp_info[qpn];
mad_agent_priv->reg_req = reg_req;
mad_agent_priv->rmpp_version = rmpp_version;
@@ -301,7 +308,7 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
if (method) {
if (method_in_use(&method,
mad_reg_req))
goto error3;
goto error4;
}
}
ret2 = add_nonoui_reg_req(mad_reg_req, mad_agent_priv,
@@ -317,14 +324,14 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
if (is_vendor_method_in_use(
vendor_class,
mad_reg_req))
goto error3;
goto error4;
}
}
ret2 = add_oui_reg_req(mad_reg_req, mad_agent_priv);
}
if (ret2) {
ret = ERR_PTR(ret2);
goto error3;
goto error4;
}
}
@@ -346,11 +353,13 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
return &mad_agent_priv->agent;
error3:
error4:
spin_unlock_irqrestore(&port_priv->reg_lock, flags);
kfree(reg_req);
error2:
error3:
kfree(mad_agent_priv);
error2:
ib_dereg_mr(mad_agent_priv->agent.mr);
error1:
return ret;
}
@@ -487,18 +496,15 @@ static void unregister_mad_agent(struct ib_mad_agent_private *mad_agent_priv)
* MADs, preventing us from queuing additional work
*/
cancel_mads(mad_agent_priv);
port_priv = mad_agent_priv->qp_info->port_priv;
cancel_delayed_work(&mad_agent_priv->timed_work);
flush_workqueue(port_priv->wq);
spin_lock_irqsave(&port_priv->reg_lock, flags);
remove_mad_reg_req(mad_agent_priv);
list_del(&mad_agent_priv->agent_list);
spin_unlock_irqrestore(&port_priv->reg_lock, flags);
/* XXX: Cleanup pending RMPP receives for this agent */
flush_workqueue(port_priv->wq);
atomic_dec(&mad_agent_priv->refcount);
wait_event(mad_agent_priv->wait,
@@ -506,6 +512,7 @@ static void unregister_mad_agent(struct ib_mad_agent_private *mad_agent_priv)
if (mad_agent_priv->reg_req)
kfree(mad_agent_priv->reg_req);
ib_dereg_mr(mad_agent_priv->agent.mr);
kfree(mad_agent_priv);
}
@@ -750,7 +757,7 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv,
list_add_tail(&local->completion_list, &mad_agent_priv->local_list);
spin_unlock_irqrestore(&mad_agent_priv->lock, flags);
queue_work(mad_agent_priv->qp_info->port_priv->wq,
&mad_agent_priv->local_work);
&mad_agent_priv->local_work);
ret = 1;
out:
return ret;