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sgi-gru: add support to the GRU driver for message queue interrupts

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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>
This commit is contained in:
Jack Steiner
2009-04-02 16:59:10 -07:00
committed by Linus Torvalds
parent ecdaf2b552
commit 6f2584f474
7 changed files with 305 additions and 118 deletions
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10
drivers/misc/sgi-xp/xpc_sn2.c
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@@ -66,6 +66,12 @@ xpc_setup_partitions_sn_sn2(void)
return 0;
}
static void
xpc_teardown_partitions_sn_sn2(void)
{
/* nothing needs to be done */
}
/* SH_IPI_ACCESS shub register value on startup */
static u64 xpc_sh1_IPI_access_sn2;
static u64 xpc_sh2_IPI_access0_sn2;
@@ -436,11 +442,12 @@ xpc_send_chctl_local_msgrequest_sn2(struct xpc_channel *ch)
XPC_SEND_LOCAL_NOTIFY_IRQ_SN2(ch, XPC_CHCTL_MSGREQUEST);
}
static void
static enum xp_retval
xpc_save_remote_msgqueue_pa_sn2(struct xpc_channel *ch,
unsigned long msgqueue_pa)
{
ch->sn.sn2.remote_msgqueue_pa = msgqueue_pa;
return xpSuccess;
}
/*
@@ -2315,6 +2322,7 @@ xpc_init_sn2(void)
size_t buf_size;
xpc_setup_partitions_sn = xpc_setup_partitions_sn_sn2;
xpc_teardown_partitions_sn = xpc_teardown_partitions_sn_sn2;
xpc_get_partition_rsvd_page_pa = xpc_get_partition_rsvd_page_pa_sn2;
xpc_setup_rsvd_page_sn = xpc_setup_rsvd_page_sn_sn2;
xpc_increment_heartbeat = xpc_increment_heartbeat_sn2;