diff options
Diffstat (limited to 'drivers/staging/unisys/visorbus/visorbus_private.h')
| -rw-r--r-- | drivers/staging/unisys/visorbus/visorbus_private.h | 99 |
1 files changed, 58 insertions, 41 deletions
diff --git a/drivers/staging/unisys/visorbus/visorbus_private.h b/drivers/staging/unisys/visorbus/visorbus_private.h index 39edd2018453..15403fb52847 100644 --- a/drivers/staging/unisys/visorbus/visorbus_private.h +++ b/drivers/staging/unisys/visorbus/visorbus_private.h @@ -1,4 +1,4 @@ -/* visorchipset.h +/* visorbus_private.h * * Copyright (C) 2010 - 2015 UNISYS CORPORATION * All rights reserved. @@ -14,55 +14,72 @@ * details. */ -#ifndef __VISORCHIPSET_H__ -#define __VISORCHIPSET_H__ +#ifndef __VISORBUS_PRIVATE_H__ +#define __VISORBUS_PRIVATE_H__ #include <linux/uuid.h> +#include <linux/utsname.h> #include "controlvmchannel.h" -#include "vbusdeviceinfo.h" -#include "vbushelper.h" +#include "vbuschannel.h" -/* These functions will be called from within visorchipset when certain - * events happen. (The implementation of these functions is outside of - * visorchipset.) +/* TARGET_HOSTNAME specified as -DTARGET_HOSTNAME=\"thename\" on the + * command line */ -struct visorchipset_busdev_notifiers { - void (*bus_create)(struct visor_device *bus_info); - void (*bus_destroy)(struct visor_device *bus_info); - void (*device_create)(struct visor_device *bus_info); - void (*device_destroy)(struct visor_device *bus_info); - void (*device_pause)(struct visor_device *bus_info); - void (*device_resume)(struct visor_device *bus_info); -}; -/* These functions live inside visorchipset, and will be called to indicate - * responses to specific events (by code outside of visorchipset). - * For now, the value for each response is simply either: - * 0 = it worked - * -1 = it failed - */ -struct visorchipset_busdev_responders { - void (*bus_create)(struct visor_device *p, int response); - void (*bus_destroy)(struct visor_device *p, int response); - void (*device_create)(struct visor_device *p, int response); - void (*device_destroy)(struct visor_device *p, int response); - void (*device_pause)(struct visor_device *p, int response); - void (*device_resume)(struct visor_device *p, int response); -}; +static inline void bus_device_info_init( + struct ultra_vbus_deviceinfo *bus_device_info_ptr, + const char *dev_type, const char *drv_name) +{ + memset(bus_device_info_ptr, 0, sizeof(struct ultra_vbus_deviceinfo)); + snprintf(bus_device_info_ptr->devtype, + sizeof(bus_device_info_ptr->devtype), + "%s", (dev_type) ? dev_type : "unknownType"); + snprintf(bus_device_info_ptr->drvname, + sizeof(bus_device_info_ptr->drvname), + "%s", (drv_name) ? drv_name : "unknownDriver"); + snprintf(bus_device_info_ptr->infostrs, + sizeof(bus_device_info_ptr->infostrs), "kernel ver. %s", + utsname()->release); +} -/** Register functions (in the bus driver) to get called by visorchipset - * whenever a bus or device appears for which this guest is to be the - * client for. visorchipset will fill in <responders>, to indicate - * functions the bus driver should call to indicate message responses. - */ -void -visorchipset_register_busdev( - struct visorchipset_busdev_notifiers *notifiers, - struct visorchipset_busdev_responders *responders, - struct ultra_vbus_deviceinfo *driver_info); +void chipset_bus_create(struct visor_device *bus_info); +void chipset_bus_destroy(struct visor_device *bus_info); +void chipset_device_create(struct visor_device *dev_info); +void chipset_device_destroy(struct visor_device *dev_info); +void chipset_device_pause(struct visor_device *dev_info); +void chipset_device_resume(struct visor_device *dev_info); + +void bus_create_response(struct visor_device *p, int response); +void bus_destroy_response(struct visor_device *p, int response); +void device_create_response(struct visor_device *p, int response); +void device_destroy_response(struct visor_device *p, int response); +void device_resume_response(struct visor_device *p, int response); +void device_pause_response(struct visor_device *p, int response); -/* visorbus init and exit functions */ int visorbus_init(void); void visorbus_exit(void); + +/* visorchannel access functions */ + +struct visorchannel *visorchannel_create(u64 physaddr, + unsigned long channel_bytes, + gfp_t gfp, uuid_le guid); +struct visorchannel *visorchannel_create_with_lock(u64 physaddr, + unsigned long channel_bytes, + gfp_t gfp, 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); +u64 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); +int visorchannel_set_clientpartition(struct visorchannel *channel, + u64 partition_handle); +char *visorchannel_uuid_id(uuid_le *guid, char *s); +void __iomem *visorchannel_get_header(struct visorchannel *channel); #endif |