forked from luck/tmp_suning_uos_patched
e17d416b1b
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>
97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
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*/
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/*
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* Cross Partition Communication (XPC) uv-based functions.
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*
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* Architecture specific implementation of common functions.
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*
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*/
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#include <linux/kernel.h>
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/* >>> #include <gru/grukservices.h> */
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/* >>> uv_gpa() is defined in <gru/grukservices.h> */
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#define uv_gpa(_a) ((unsigned long)_a)
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/* >>> temporarily define next three items for xpc.h */
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#define SGI_XPC_ACTIVATE 23
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#define SGI_XPC_NOTIFY 24
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#define sn_send_IPI_phys(_a, _b, _c, _d)
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#include "xpc.h"
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static void *xpc_activate_mq;
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static enum xp_retval
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xpc_rsvd_page_init_uv(struct xpc_rsvd_page *rp)
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{
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/* >>> need to have established xpc_activate_mq earlier */
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rp->sn.activate_mq_gpa = uv_gpa(xpc_activate_mq);
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return xpSuccess;
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}
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/*
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* Setup the infrastructure necessary to support XPartition Communication
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* between the specified remote partition and the local one.
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*/
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static enum xp_retval
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xpc_setup_infrastructure_uv(struct xpc_partition *part)
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{
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/* >>> this function needs fleshing out */
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return xpUnsupported;
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}
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/*
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* Teardown the infrastructure necessary to support XPartition Communication
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* between the specified remote partition and the local one.
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*/
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static void
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xpc_teardown_infrastructure_uv(struct xpc_partition *part)
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{
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/* >>> this function needs fleshing out */
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return;
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}
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static enum xp_retval
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xpc_make_first_contact_uv(struct xpc_partition *part)
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{
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/* >>> this function needs fleshing out */
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return xpUnsupported;
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}
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static u64
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xpc_get_IPI_flags_uv(struct xpc_partition *part)
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{
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/* >>> this function needs fleshing out */
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return 0UL;
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}
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static struct xpc_msg *
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xpc_get_deliverable_msg_uv(struct xpc_channel *ch)
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{
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/* >>> this function needs fleshing out */
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return NULL;
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}
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void
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xpc_init_uv(void)
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{
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xpc_rsvd_page_init = xpc_rsvd_page_init_uv;
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xpc_setup_infrastructure = xpc_setup_infrastructure_uv;
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xpc_teardown_infrastructure = xpc_teardown_infrastructure_uv;
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xpc_make_first_contact = xpc_make_first_contact_uv;
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xpc_get_IPI_flags = xpc_get_IPI_flags_uv;
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xpc_get_deliverable_msg = xpc_get_deliverable_msg_uv;
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}
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void
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xpc_exit_uv(void)
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{
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}
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