lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[PATCH] IB: Update MAD client API

Browse Source 
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

15
drivers/infiniband/core/sa_query.c
View File

@ -77,7 +77,6 @@ struct ib_sa_sm_ah {
struct ib_sa_port {
struct ib_mad_agent *agent;
struct ib_mr *mr;
struct ib_sa_sm_ah *sm_ah;
struct work_struct update_task;
spinlock_t ah_lock;
@ -492,7 +491,7 @@ retry:
sizeof (struct ib_sa_mad),
DMA_TO_DEVICE);
gather_list.length = sizeof (struct ib_sa_mad);
gather_list.lkey = port->mr->lkey;
gather_list.lkey = port->agent->mr->lkey;
pci_unmap_addr_set(query, mapping, gather_list.addr);
ret = ib_post_send_mad(port->agent, &wr, &bad_wr);
@ -780,7 +779,6 @@ static void ib_sa_add_one(struct ib_device *device)
sa_dev->end_port = e;
for (i = 0; i <= e - s; ++i) {
sa_dev->port[i].mr = NULL;
sa_dev->port[i].sm_ah = NULL;
sa_dev->port[i].port_num = i + s;
spin_lock_init(&sa_dev->port[i].ah_lock);
@ -792,13 +790,6 @@ static void ib_sa_add_one(struct ib_device *device)
if (IS_ERR(sa_dev->port[i].agent))
goto err;
sa_dev->port[i].mr = ib_get_dma_mr(sa_dev->port[i].agent->qp->pd,
IB_ACCESS_LOCAL_WRITE);
if (IS_ERR(sa_dev->port[i].mr)) {
ib_unregister_mad_agent(sa_dev->port[i].agent);
goto err;
}
INIT_WORK(&sa_dev->port[i].update_task,
update_sm_ah, &sa_dev->port[i]);
}
@ -822,10 +813,8 @@ static void ib_sa_add_one(struct ib_device *device)
return;
err:
while (--i >= 0) {
ib_dereg_mr(sa_dev->port[i].mr);
while (--i >= 0)
ib_unregister_mad_agent(sa_dev->port[i].agent);
}
kfree(sa_dev);