diff options
Diffstat (limited to 'drivers/staging/unisys/include/visorbus.h')
| -rw-r--r-- | drivers/staging/unisys/include/visorbus.h | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/drivers/staging/unisys/include/visorbus.h b/drivers/staging/unisys/include/visorbus.h index de0635542fbd..e4ee38c3dbe4 100644 --- a/drivers/staging/unisys/include/visorbus.h +++ b/drivers/staging/unisys/include/visorbus.h @@ -1,5 +1,4 @@ -/* visorbus.h - * +/* * Copyright (C) 2010 - 2013 UNISYS CORPORATION * All rights reserved. * @@ -23,7 +22,6 @@ * * There should be nothing in this file that is private to the visorbus * bus implementation itself. - * */ #ifndef __VISORBUS_H__ @@ -31,20 +29,16 @@ #include <linux/device.h> #include <linux/module.h> -#include <linux/poll.h> -#include <linux/kernel.h> -#include <linux/uuid.h> -#include <linux/seq_file.h> #include <linux/slab.h> #include "channel.h" -struct visor_driver; struct visor_device; extern struct bus_type visorbus_type; typedef void (*visorbus_state_complete_func) (struct visor_device *dev, int status); + struct visorchipset_state { u32 created:1; u32 attached:1; @@ -54,11 +48,12 @@ struct visorchipset_state { /* Remaining bits in this 32-bit word are unused. */ }; -/** This struct describes a specific Supervisor channel, by providing its - * GUID, name, and sizes. +/* + * This struct describes a specific Supervisor channel, by providing its + * GUID, name, and sizes. */ struct visor_channeltype_descriptor { - const uuid_le guid; + const guid_t guid; const char *name; }; @@ -109,8 +104,7 @@ struct visor_driver { struct device_driver driver; }; -#define to_visor_driver(x) ((x) ? \ - (container_of(x, struct visor_driver, driver)) : (NULL)) +#define to_visor_driver(x) (container_of(x, struct visor_driver, driver)) /** * struct visor_device - A device type for things "plugged" into the visorbus @@ -125,8 +119,8 @@ struct visor_driver { * activity. * @being_removed: Indicates that the device is being removed from * the bus. Private bus driver use only. - * @visordriver_callback_lock: Used by the bus driver to lock when handling - * channel events. + * @visordriver_callback_lock: Used by the bus driver to lock when adding and + * removing devices. * @pausing: Indicates that a change towards a paused state. * is in progress. Only modified by the bus driver. * @resuming: Indicates that a change towards a running state @@ -141,37 +135,42 @@ struct visor_driver { * hypervisor requests. * @vbus_hdr_info: A pointer to header info. Private use by bus * driver. - * @partition_uuid: Indicates client partion id. This should be the + * @partition_guid: Indicates client partion id. This should be the * same across all visor_devices in the current * guest. Private use by bus driver only. */ struct visor_device { struct visorchannel *visorchannel; - uuid_le channel_type_guid; + guid_t channel_type_guid; /* These fields are for private use by the bus driver only. */ struct device device; struct list_head list_all; struct timer_list timer; bool timer_active; bool being_removed; - struct mutex visordriver_callback_lock; + struct mutex visordriver_callback_lock; /* synchronize probe/remove */ bool pausing; bool resuming; u32 chipset_bus_no; u32 chipset_dev_no; struct visorchipset_state state; - uuid_le inst; + guid_t inst; u8 *name; struct controlvm_message_header *pending_msg_hdr; void *vbus_hdr_info; - uuid_le partition_uuid; + guid_t partition_guid; struct dentry *debugfs_dir; struct dentry *debugfs_client_bus_info; }; #define to_visor_device(x) container_of(x, struct visor_device, device) +int visor_check_channel(struct channel_header *ch, struct device *dev, + const guid_t *expected_uuid, char *chname, + u64 expected_min_bytes, u32 expected_version, + u64 expected_signature); + int visorbus_register_visor_driver(struct visor_driver *drv); void visorbus_unregister_visor_driver(struct visor_driver *drv); int visorbus_read_channel(struct visor_device *dev, @@ -183,7 +182,8 @@ int visorbus_write_channel(struct visor_device *dev, int visorbus_enable_channel_interrupts(struct visor_device *dev); void visorbus_disable_channel_interrupts(struct visor_device *dev); -/* Levels of severity for diagnostic events, in order from lowest severity to +/* + * Levels of severity for diagnostic events, in order from lowest severity to * highest (i.e. fatal errors are the most severe, and should always be logged, * but info events rarely need to be logged except during debugging). The * values DIAG_SEVERITY_ENUM_BEGIN and DIAG_SEVERITY_ENUM_END are not valid @@ -207,7 +207,7 @@ int visorchannel_signalremove(struct visorchannel *channel, u32 queue, int visorchannel_signalinsert(struct visorchannel *channel, u32 queue, void *msg); bool visorchannel_signalempty(struct visorchannel *channel, u32 queue); -uuid_le visorchannel_get_uuid(struct visorchannel *channel); +const guid_t *visorchannel_get_guid(struct visorchannel *channel); #define BUS_ROOT_DEVICE UINT_MAX struct visor_device *visorbus_get_device_by_id(u32 bus_no, u32 dev_no, |