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sgi-xp: setup the notify GRU message queue

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Setup the notify GRU message queue that is used for sending user messages
on UV systems.

Signed-off-by: Dean Nelson <dcn@sgi.com>
Cc: Jack Steiner <steiner@sgi.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dean Nelson
2008-07-29 22:34:19 -07:00
committed by Linus Torvalds
parent 5b8669dfd1
commit bd3e64c175
8 changed files with 1043 additions and 395 deletions
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7
drivers/misc/sgi-xp/xp_main.c
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@@ -154,6 +154,9 @@ xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size,
DBUG_ON(func == NULL);
DBUG_ON(assigned_limit == 0 || idle_limit > assigned_limit);
if (XPC_MSG_SIZE(payload_size) > XPC_MSG_MAX_SIZE)
return xpPayloadTooBig;
registration = &xpc_registrations[ch_number];
if (mutex_lock_interruptible(&registration->mutex) != 0)
@@ -166,7 +169,7 @@ xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size,
}
/* register the channel for connection */
registration->msg_size = XPC_MSG_SIZE(payload_size);
registration->entry_size = XPC_MSG_SIZE(payload_size);
registration->nentries = nentries;
registration->assigned_limit = assigned_limit;
registration->idle_limit = idle_limit;
@@ -220,7 +223,7 @@ xpc_disconnect(int ch_number)
registration->func = NULL;
registration->key = NULL;
registration->nentries = 0;
registration->msg_size = 0;
registration->entry_size = 0;
registration->assigned_limit = 0;
registration->idle_limit = 0;