drivers/staging/unisys/visorbus/visorbus_private.h

   1 /* visorbus_private.h
   2  *
   3  * Copyright (C) 2010 - 2015 UNISYS CORPORATION
   4  * All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  13  * NON INFRINGEMENT.  See the GNU General Public License for more
  14  * details.
  15  */
  16
  17 #ifndef __VISORBUS_PRIVATE_H__
  18 #define __VISORBUS_PRIVATE_H__
  19
  20 #include <linux/uuid.h>
  21 #include <linux/utsname.h>
  22
  23 #include "controlvmchannel.h"
  24 #include "vbuschannel.h"
  25
  26 /* TARGET_HOSTNAME specified as -DTARGET_HOSTNAME=\"thename\" on the
  27  * command line
  28  */
  29
  30 static inline void bus_device_info_init(
  31                 struct ultra_vbus_deviceinfo *bus_device_info_ptr,
  32                 const char *dev_type, const char *drv_name)
  33 {
  34         memset(bus_device_info_ptr, 0, sizeof(struct ultra_vbus_deviceinfo));
  35         snprintf(bus_device_info_ptr->devtype,
  36                  sizeof(bus_device_info_ptr->devtype),
  37                  "%s", (dev_type) ? dev_type : "unknownType");
  38         snprintf(bus_device_info_ptr->drvname,
  39                  sizeof(bus_device_info_ptr->drvname),
  40                  "%s", (drv_name) ? drv_name : "unknownDriver");
  41         snprintf(bus_device_info_ptr->infostrs,
  42                  sizeof(bus_device_info_ptr->infostrs), "kernel ver. %s",
  43                  utsname()->release);
  44 }
  45
  46 void chipset_bus_create(struct visor_device *bus_info);
  47 void chipset_bus_destroy(struct visor_device *bus_info);
  48 void chipset_device_create(struct visor_device *dev_info);
  49 void chipset_device_destroy(struct visor_device *dev_info);
  50 void chipset_device_pause(struct visor_device *dev_info);
  51 void chipset_device_resume(struct visor_device *dev_info);
  52
  53 void bus_create_response(struct visor_device *p, int response);
  54 void bus_destroy_response(struct visor_device *p, int response);
  55 void device_create_response(struct visor_device *p, int response);
  56 void device_destroy_response(struct visor_device *p, int response);
  57 void device_resume_response(struct visor_device *p, int response);
  58 void device_pause_response(struct visor_device *p, int response);
  59
  60 int visorbus_init(void);
  61 void visorbus_exit(void);
  62
  63 /* visorchannel access functions */
  64
  65 struct visorchannel *visorchannel_create(u64 physaddr,
  66                                          unsigned long channel_bytes,
  67                                          gfp_t gfp, uuid_le guid);
  68 struct visorchannel *visorchannel_create_with_lock(u64 physaddr,
  69                                                    unsigned long channel_bytes,
  70                                                    gfp_t gfp, uuid_le guid);
  71 void visorchannel_destroy(struct visorchannel *channel);
  72 int visorchannel_read(struct visorchannel *channel, ulong offset,
  73                       void *local, ulong nbytes);
  74 int visorchannel_write(struct visorchannel *channel, ulong offset,
  75                        void *local, ulong nbytes);
  76 u64 visorchannel_get_physaddr(struct visorchannel *channel);
  77 ulong visorchannel_get_nbytes(struct visorchannel *channel);
  78 char *visorchannel_id(struct visorchannel *channel, char *s);
  79 char *visorchannel_zoneid(struct visorchannel *channel, char *s);
  80 u64 visorchannel_get_clientpartition(struct visorchannel *channel);
  81 int visorchannel_set_clientpartition(struct visorchannel *channel,
  82                                      u64 partition_handle);
  83 char *visorchannel_uuid_id(uuid_le *guid, char *s);
  84 void __iomem *visorchannel_get_header(struct visorchannel *channel);
  85 #endif