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authorIngo Molnar <mingo@elte.hu>2008-08-11 13:40:56 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-11 13:40:56 +0200
commit251a169c69d1ff07cee7a9bb9fc4faff6b1d2ac3 (patch)
tree3c20c3e080f276848f2ad67aadab44a5d64bfda9 /arch/powerpc/include/asm/hvcserver.h
parent6679ce6e5f519096612b480d255d9ca97be0c2be (diff)
parent796aadeb1b2db9b5d463946766c5bbfd7717158c (diff)
Merge branch 'linus' into sched/urgent
Diffstat (limited to 'arch/powerpc/include/asm/hvcserver.h')
-rw-r--r--arch/powerpc/include/asm/hvcserver.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/hvcserver.h b/arch/powerpc/include/asm/hvcserver.h
new file mode 100644
index 00000000000..67d7da3a4da
--- /dev/null
+++ b/arch/powerpc/include/asm/hvcserver.h
@@ -0,0 +1,59 @@
+/*
+ * hvcserver.h
+ * Copyright (C) 2004 Ryan S Arnold, IBM Corporation
+ *
+ * PPC64 virtual I/O console server support.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _PPC64_HVCSERVER_H
+#define _PPC64_HVCSERVER_H
+#ifdef __KERNEL__
+
+#include <linux/list.h>
+
+/* Converged Location Code length */
+#define HVCS_CLC_LENGTH 79
+
+/**
+ * hvcs_partner_info - an element in a list of partner info
+ * @node: list_head denoting this partner_info struct's position in the list of
+ * partner info.
+ * @unit_address: The partner unit address of this entry.
+ * @partition_ID: The partner partition ID of this entry.
+ * @location_code: The converged location code of this entry + 1 char for the
+ * null-term.
+ *
+ * This structure outlines the format that partner info is presented to a caller
+ * of the hvcs partner info fetching functions. These are strung together into
+ * a list using linux kernel lists.
+ */
+struct hvcs_partner_info {
+ struct list_head node;
+ uint32_t unit_address;
+ uint32_t partition_ID;
+ char location_code[HVCS_CLC_LENGTH + 1]; /* CLC + 1 null-term char */
+};
+
+extern int hvcs_free_partner_info(struct list_head *head);
+extern int hvcs_get_partner_info(uint32_t unit_address,
+ struct list_head *head, unsigned long *pi_buff);
+extern int hvcs_register_connection(uint32_t unit_address,
+ uint32_t p_partition_ID, uint32_t p_unit_address);
+extern int hvcs_free_connection(uint32_t unit_address);
+
+#endif /* __KERNEL__ */
+#endif /* _PPC64_HVCSERVER_H */