| /* visorchannel.h |
| * |
| * Copyright (C) 2010 - 2013 UNISYS CORPORATION |
| * All rights reserved. |
| * |
| * 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, GOOD TITLE or |
| * NON INFRINGEMENT. See the GNU General Public License for more |
| * details. |
| */ |
| |
| #ifndef __VISORCHANNEL_H__ |
| #define __VISORCHANNEL_H__ |
| |
| #include <linux/uuid.h> |
| |
| #include "memregion.h" |
| #include "channel.h" |
| #ifndef HOSTADDRESS |
| #define HOSTADDRESS u64 |
| #endif |
| #ifndef BOOL |
| #define BOOL int |
| #endif |
| |
| /* Note that for visorchannel_create() and visorchannel_create_overlapped(), |
| * <channel_bytes> and <guid> arguments may be 0 if we are a channel CLIENT. |
| * In this case, the values can simply be read from the channel header. |
| */ |
| struct visorchannel *visorchannel_create(HOSTADDRESS physaddr, |
| ulong channel_bytes, uuid_le guid); |
| struct visorchannel *visorchannel_create_overlapped(ulong channel_bytes, |
| struct visorchannel *parent, |
| ulong off, uuid_le guid); |
| struct visorchannel *visorchannel_create_with_lock(HOSTADDRESS physaddr, |
| ulong channel_bytes, |
| uuid_le guid); |
| struct visorchannel *visorchannel_create_overlapped_with_lock( |
| ulong channel_bytes, |
| struct visorchannel *parent, |
| ulong off, uuid_le guid); |
| void visorchannel_destroy(struct visorchannel *channel); |
| int visorchannel_read(struct visorchannel *channel, ulong offset, |
| void *local, ulong nbytes); |
| int visorchannel_write(struct visorchannel *channel, ulong offset, |
| void *local, ulong nbytes); |
| int visorchannel_clear(struct visorchannel *channel, ulong offset, |
| u8 ch, ulong nbytes); |
| BOOL visorchannel_signalremove(struct visorchannel *channel, u32 queue, |
| void *msg); |
| BOOL visorchannel_signalinsert(struct visorchannel *channel, u32 queue, |
| void *msg); |
| int visorchannel_signalqueue_slots_avail(struct visorchannel *channel, |
| u32 queue); |
| int visorchannel_signalqueue_max_slots(struct visorchannel *channel, u32 queue); |
| HOSTADDRESS visorchannel_get_physaddr(struct visorchannel *channel); |
| ulong visorchannel_get_nbytes(struct visorchannel *channel); |
| char *visorchannel_id(struct visorchannel *channel, char *s); |
| char *visorchannel_zoneid(struct visorchannel *channel, char *s); |
| u64 visorchannel_get_clientpartition(struct visorchannel *channel); |
| uuid_le visorchannel_get_uuid(struct visorchannel *channel); |
| struct memregion *visorchannel_get_memregion(struct visorchannel *channel); |
| char *visorchannel_uuid_id(uuid_le *guid, char *s); |
| void visorchannel_debug(struct visorchannel *channel, int num_queues, |
| struct seq_file *seq, u32 off); |
| void visorchannel_dump_section(struct visorchannel *chan, char *s, |
| int off, int len, struct seq_file *seq); |
| void __iomem *visorchannel_get_header(struct visorchannel *channel); |
| |
| #endif |