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path: root/drivers/misc/sgi-xp/xpc_channel.c
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2009-04-14sgi-xpc: clean up numerous globalsRobin Holt1-21/+22
Introduce xpc_arch_ops and eliminate numerous individual global definitions. Signed-off-by: Robin Holt <holt@sgi.com> Cc: Dean Nelson <dcn@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-14sgi-xpc: implement opencomplete messagingRobin Holt1-39/+58
sgi-xpc has a window of failure where an open message can be sent and a subsequent data message can get lost. We have added a new message (opencomplete) which closes that window. Signed-off-by: Robin Holt <holt@sgi.com> Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-03sgi-gru: add support to the GRU driver for message queue interruptsJack Steiner1-1/+7
Add support to the GRU driver for message queue interrupts. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-30sgi-xpc: fix up stale DBUG_ON statementsRobin Holt1-3/+0
Clean up the stale DBUG_ON checks and add a couple new ones. Signed-off-by: Robin Holt <holt@sgi.com> Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30sgi-xp: setup the notify GRU message queueDean Nelson1-34/+29
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>
2008-07-30sgi-xp: setup the activate GRU message queueDean Nelson1-7/+15
Setup the activate GRU message queue that is used for partition activation and channel connection 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>
2008-07-30sgi-xp: cleanup naming of partition definesDean Nelson1-5/+5
Cleanup naming of partition defines. 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>
2008-07-30sgi-xp: add usage of GRU driver by xpc_remote_memcpy()Dean Nelson1-3/+2
Add UV support to xpc_remote_memcpy(), which involves interfacing to the GRU driver. 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>
2008-07-30sgi-xp: enable building of XPC/XPNET on x86_64Dean Nelson1-12/+6
Get XPC/XPNET to build on x86_64. Trying to modprobe them up on a non-UV or sn2 system will result in a -ENODEV. 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>
2008-07-30sgi-xp: eliminate '>>>' in commentsDean Nelson1-1/+1
Comments in /drivers/misc/sgi-xp has been using '>>>' as a means to draw attention to something that needs to be done or considered. To avoid colliding with git rejects, '>>>' will now be replaced by '!!!' to indicate something to do, and by '???' to indicate something to be considered. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30sgi-xp: isolate allocation of XPC's msgqueues to sn2 onlyDean Nelson1-190/+7
Move the allocation of XPC's msgqueues to xpc_sn2.c. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30sgi-xp: separate chctl_flags from XPC's notify IRQDean Nelson1-69/+66
Tie current IPI references to either XPC's notify IRQ or channel control flags. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30sgi-xp: isolate additional sn2 specific codeDean Nelson1-197/+17
Move additional sn2 specific code into xpc_sn2.c. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30sgi-xp: move xpc_allocate() into xpc_send()/xpc_send_notify()Dean Nelson1-73/+39
Move xpc_allocate() functionality into xpc_send()/xpc_send_notify() so xpc_allocate() no longer needs to be called by XPNET. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30sgi-xp: isolate xpc_vars structure to sn2 onlyDean Nelson1-313/+2
Isolate the xpc_vars structure of XPC's reserved page to sn2 only. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30sgi-xp: isolate xpc_vars_part structure to sn2 onlyDean Nelson1-537/+1
Isolate the xpc_vars_part structure of XPC's reserved page to sn2 only. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30sgi-xp: create a common xp_remote_memcpy() functionDean Nelson1-12/+8
Create a common remote memcpy function that maps to what the hardware booted supports. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30sgi-xp: support runtime selection of xp_max_npartitionsDean Nelson1-10/+10
Support runtime selection of the max number of partitions based on the hardware being run on. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13drivers/misc/sgi-xp: replace partid_t with a shortDean Nelson1-10/+10
In preparation for supporting greater than 64 partitions replace partid_t by short in drivers/misc/sgi-xp. Signed-off-by: Dean Nelson <dcn@sgi.com> Acked-by: Robin Holt <holt@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13drivers/misc/sgi-xp: clean up return valuesDean Nelson1-83/+83
Make XP return values more generic to XP and not so tied to XPC by changing enum xpc_retval to xp_retval, along with changing return value prefixes from xpc to xp. Also, cleanup a comment block that referenced some of these return values as well as the handling of BTE related return values. Signed-off-by: Dean Nelson <dcn@sgi.com> Acked-by: Robin Holt <holt@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-23[IA64] run drivers/misc/sgi-xp through scripts/checkpatch.plDean Nelson1-117/+75
Addressed issues raised by scripts/checkpatch.pl. Removed unnecessary curly braces. Eliminated uses of volatiles and use of kernel_thread() and daemonize(). Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2008-04-23[IA64] run rest drivers/misc/sgi-xp through scripts/LindentDean Nelson1-242/+148
Ran patches through scripts/Lindent (part 2). Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2008-04-23[IA64] move XP and XPC to drivers/misc/sgi-xpDean Nelson1-0/+2379
Move XPC and XPNET from arch/ia64/sn/kernel to drivers/misc/sgi-xp. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>