| /* Copyright (C) 2010 - 2015 UNISYS CORPORATION |
| * All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * 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 __VBUSCHANNEL_H__ |
| #define __VBUSCHANNEL_H__ |
| |
| /* The vbus channel is the channel area provided via the BUS_CREATE controlvm |
| * message for each virtual bus. This channel area is provided to both server |
| * and client ends of the bus. The channel header area is initialized by |
| * the server, and the remaining information is filled in by the client. |
| * We currently use this for the client to provide various information about |
| * the client devices and client drivers for the server end to see. |
| */ |
| #include <linux/uuid.h> |
| #include <linux/ctype.h> |
| #include "channel.h" |
| |
| /* {193b331b-c58f-11da-95a9-00e08161165f} */ |
| #define SPAR_VBUS_CHANNEL_PROTOCOL_UUID \ |
| UUID_LE(0x193b331b, 0xc58f, 0x11da, \ |
| 0x95, 0xa9, 0x0, 0xe0, 0x81, 0x61, 0x16, 0x5f) |
| static const uuid_le spar_vbus_channel_protocol_uuid = |
| SPAR_VBUS_CHANNEL_PROTOCOL_UUID; |
| |
| #define SPAR_VBUS_CHANNEL_PROTOCOL_SIGNATURE ULTRA_CHANNEL_PROTOCOL_SIGNATURE |
| |
| /* Must increment this whenever you insert or delete fields within this channel |
| * struct. Also increment whenever you change the meaning of fields within this |
| * channel struct so as to break pre-existing software. Note that you can |
| * usually add fields to the END of the channel struct withOUT needing to |
| * increment this. |
| */ |
| #define SPAR_VBUS_CHANNEL_PROTOCOL_VERSIONID 1 |
| |
| /* |
| * An array of this struct is present in the channel area for each vbus. |
| * (See vbuschannel.h.) |
| * It is filled in by the client side to provide info about the device |
| * and driver from the client's perspective. |
| */ |
| struct ultra_vbus_deviceinfo { |
| u8 devtype[16]; /* short string identifying the device type */ |
| u8 drvname[16]; /* driver .sys file name */ |
| u8 infostrs[96]; /* kernel version */ |
| u8 reserved[128]; /* pad size to 256 bytes */ |
| } __packed; |
| |
| struct spar_vbus_headerinfo { |
| u32 struct_bytes; /* size of this struct in bytes */ |
| u32 device_info_struct_bytes; /* sizeof(ULTRA_VBUS_DEVICEINFO) */ |
| u32 dev_info_count; /* num of items in DevInfo member */ |
| /* (this is the allocated size) */ |
| u32 chp_info_offset; /* byte offset from beginning of this struct */ |
| /* to the ChpInfo struct (below) */ |
| u32 bus_info_offset; /* byte offset from beginning of this struct */ |
| /* to the BusInfo struct (below) */ |
| u32 dev_info_offset; /* byte offset from beginning of this struct */ |
| /* to the DevInfo array (below) */ |
| u8 reserved[104]; |
| } __packed; |
| |
| struct spar_vbus_channel_protocol { |
| struct channel_header channel_header; /* initialized by server */ |
| struct spar_vbus_headerinfo hdr_info; /* initialized by server */ |
| /* the remainder of this channel is filled in by the client */ |
| struct ultra_vbus_deviceinfo chp_info; |
| /* describes client chipset device and driver */ |
| struct ultra_vbus_deviceinfo bus_info; |
| /* describes client bus device and driver */ |
| struct ultra_vbus_deviceinfo dev_info[0]; |
| /* describes client device and driver for each device on the bus */ |
| } __packed; |
| |
| #endif |