cregit-Linux how code gets into the kernel

Release 4.16 drivers/visorbus/controlvmchannel.h

Directory: drivers/visorbus
// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2010 - 2015 UNISYS CORPORATION
 * All rights reserved.
 */

#ifndef __CONTROLVMCHANNEL_H__

#define __CONTROLVMCHANNEL_H__

#include <linux/uuid.h>
#include <linux/visorbus.h>

/* {2B3C2D10-7EF5-4ad8-B966-3448B7386B3D} */

#define VISOR_CONTROLVM_CHANNEL_GUID \
	GUID_INIT(0x2b3c2d10, 0x7ef5, 0x4ad8, \
                  0xb9, 0x66, 0x34, 0x48, 0xb7, 0x38, 0x6b, 0x3d)


#define CONTROLVM_MESSAGE_MAX 64

/*
 * 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 VISOR_CONTROLVM_CHANNEL_VERSIONID 1

/* Defines for various channel queues */

#define CONTROLVM_QUEUE_REQUEST		0

#define CONTROLVM_QUEUE_RESPONSE	1

#define CONTROLVM_QUEUE_EVENT		2

#define CONTROLVM_QUEUE_ACK		3

/* Max num of messages stored during IOVM creation to be reused after crash */

#define CONTROLVM_CRASHMSG_MAX 2

/*
 * struct visor_segment_state
 * @enabled:   May enter other states.
 * @active:    Assigned to active partition.
 * @alive:     Configure message sent to service/server.
 * @revoked:   Similar to partition state ShuttingDown.
 * @allocated: Memory (device/port number) has been selected by Command.
 * @known:     Has been introduced to the service/guest partition.
 * @ready:     Service/Guest partition has responded to introduction.
 * @operating: Resource is configured and operating.
 * @reserved:  Natural alignment.
 *
 * Note: Don't use high bit unless we need to switch to ushort which is
 * non-compliant.
 */

struct visor_segment_state  {
	
u16 enabled:1;
	
u16 active:1;
	
u16 alive:1;
	
u16 revoked:1;
	
u16 allocated:1;
	
u16 known:1;
	
u16 ready:1;
	
u16 operating:1;
	
u16 reserved:8;

} __packed;


static const struct visor_segment_state segment_state_running = {
	1, 1, 1, 0, 1, 1, 1, 1
};


static const struct visor_segment_state segment_state_paused = {
	1, 1, 1, 0, 1, 1, 1, 0
};


static const struct visor_segment_state segment_state_standby = {
	1, 1, 0, 0, 1, 1, 1, 0
};

/*
 * enum controlvm_id
 * @CONTROLVM_INVALID:
 * @CONTROLVM_BUS_CREATE:               CP --> SP, GP.
 * @CONTROLVM_BUS_DESTROY:              CP --> SP, GP.
 * @CONTROLVM_BUS_CONFIGURE:            CP --> SP.
 * @CONTROLVM_BUS_CHANGESTATE:          CP --> SP, GP.
 * @CONTROLVM_BUS_CHANGESTATE_EVENT:    SP, GP --> CP.
 * @CONTROLVM_DEVICE_CREATE:            CP --> SP, GP.
 * @CONTROLVM_DEVICE_DESTROY:           CP --> SP, GP.
 * @CONTROLVM_DEVICE_CONFIGURE:         CP --> SP.
 * @CONTROLVM_DEVICE_CHANGESTATE:       CP --> SP, GP.
 * @CONTROLVM_DEVICE_CHANGESTATE_EVENT: SP, GP --> CP.
 * @CONTROLVM_DEVICE_RECONFIGURE:       CP --> Boot.
 * @CONTROLVM_CHIPSET_INIT:             CP --> SP, GP.
 * @CONTROLVM_CHIPSET_STOP:             CP --> SP, GP.
 * @CONTROLVM_CHIPSET_READY:            CP --> SP.
 * @CONTROLVM_CHIPSET_SELFTEST:         CP --> SP.
 *
 * Ids for commands that may appear in either queue of a ControlVm channel.
 *
 * Commands that are initiated by the command partition (CP), by an IO or
 * console service partition (SP), or by a guest partition (GP) are:
 * - issued on the RequestQueue queue (q #0) in the ControlVm channel
 * - responded to on the ResponseQueue queue (q #1) in the ControlVm channel
 *
 * Events that are initiated by an IO or console service partition (SP) or
 * by a guest partition (GP) are:
 * - issued on the EventQueue queue (q #2) in the ControlVm channel
 * - responded to on the EventAckQueue queue (q #3) in the ControlVm channel
 */

enum controlvm_id {
	
CONTROLVM_INVALID = 0,
	/*
         * SWITCH commands required Parameter: SwitchNumber.
         * BUS commands required Parameter: BusNumber
         */
	
CONTROLVM_BUS_CREATE = 0x101,
	
CONTROLVM_BUS_DESTROY = 0x102,
	
CONTROLVM_BUS_CONFIGURE = 0x104,
	
CONTROLVM_BUS_CHANGESTATE = 0x105,
	
CONTROLVM_BUS_CHANGESTATE_EVENT = 0x106,
	/* DEVICE commands required Parameter: BusNumber, DeviceNumber */
	
CONTROLVM_DEVICE_CREATE = 0x201,
	
CONTROLVM_DEVICE_DESTROY = 0x202,
	
CONTROLVM_DEVICE_CONFIGURE = 0x203,
	
CONTROLVM_DEVICE_CHANGESTATE = 0x204,
	
CONTROLVM_DEVICE_CHANGESTATE_EVENT = 0x205,
	
CONTROLVM_DEVICE_RECONFIGURE = 0x206,
	/* CHIPSET commands */
	
CONTROLVM_CHIPSET_INIT = 0x301,
	
CONTROLVM_CHIPSET_STOP = 0x302,
	
CONTROLVM_CHIPSET_READY = 0x304,
	
CONTROLVM_CHIPSET_SELFTEST = 0x305,
};

/*
 * struct irq_info
 * @reserved1:       Natural alignment purposes
 * @recv_irq_handle: Specifies interrupt handle. It is used to retrieve the
 *                   corresponding interrupt pin from Monitor; and the interrupt
 *                   pin is used to connect to the corresponding interrupt.
 *                   Used by IOPart-GP only.
 * @recv_irq_vector: Specifies interrupt vector. It, interrupt pin, and shared
 *                   are used to connect to the corresponding interrupt.
 *                   Used by IOPart-GP only.
 * @recv_irq_shared: Specifies if the recvInterrupt is shared.  It, interrupt
 *                   pin and vector are used to connect to 0 = not shared;
 *                   1 = shared the corresponding interrupt.
 *                   Used by IOPart-GP only.
 * @reserved:        Natural alignment purposes
 */

struct irq_info {
	
u64 reserved1;
	
u64 recv_irq_handle;
	
u32 recv_irq_vector;
	
u8 recv_irq_shared;
	
u8 reserved[3];

} __packed;

/*
 * struct efi_visor_indication
 * @boot_to_fw_ui: Stop in UEFI UI
 * @clear_nvram:   Clear NVRAM
 * @clear_cmos:    Clear CMOS
 * @boot_to_tool:  Run install tool
 * @reserved:      Natural alignment
 */

struct efi_visor_indication  {
	
u64 boot_to_fw_ui:1;
	
u64 clear_nvram:1;
	
u64 clear_cmos:1;
	
u64 boot_to_tool:1;
	/* Remaining bits are available */
	
u64 reserved:60;

} __packed;


enum visor_chipset_feature {
	
VISOR_CHIPSET_FEATURE_REPLY = 0x00000001,
	
VISOR_CHIPSET_FEATURE_PARA_HOTPLUG = 0x00000002,
};

/*
 * struct controlvm_message_header
 * @id:                See CONTROLVM_ID.
 * @message_size:      Includes size of this struct + size of message.
 * @segment_index:     Index of segment containing Vm message/information.
 * @completion_status: Error status code or result of  message completion.
 * @struct flags:
 *      @failed:             =1 in a response to signify failure.
 *      @response_expected:  =1 in all messages that expect a response.
 *      @server:             =1 in all bus & device-related messages where the
 *                           message receiver is to act as the bus or device
 *                           server.
 *      @test_message:       =1 for testing use only (Control and Command
 *                           ignore this).
 *      @partial_completion: =1 if there are forthcoming responses/acks
 *                           associated with this message.
 *      @preserve:           =1 this is to let us know to preserve channel
 *                           contents.
 *      @writer_in_diag:     =1 the DiagWriter is active in the Diagnostic
 *                           Partition.
 *      @reserve:            Natural alignment.
 * @reserved:          Natural alignment.
 * @message_handle:    Identifies the particular message instance.
 * @payload_vm_offset: Offset of payload area from start of this instance.
 * @payload_max_bytes: Maximum bytes allocated in payload area of ControlVm
 *                     segment.
 * @payload_bytes:     Actual number of bytes of payload area to copy between
 *                     IO/Command. If non-zero, there is a payload to copy.
 *
 * This is the common structure that is at the beginning of every
 * ControlVm message (both commands and responses) in any ControlVm
 * queue.  Commands are easily distinguished from responses by
 * looking at the flags.response field.
 */

struct controlvm_message_header  {
	
u32 id;
	/*
         * For requests, indicates the message type. For responses, indicates
         * the type of message we are responding to.
         */
	
u32 message_size;
	
u32 segment_index;
	
u32 completion_status;
	
struct  {
		
u32 failed:1;
		
u32 response_expected:1;
		
u32 server:1;
		
u32 test_message:1;
		
u32 partial_completion:1;
		
u32 preserve:1;
		
u32 writer_in_diag:1;
		
u32 reserve:25;
	
} __packed flags;
	
u32 reserved;
	
u64 message_handle;
	
u64 payload_vm_offset;
	
u32 payload_max_bytes;
	
u32 payload_bytes;

} __packed;

/*
 * struct controlvm_packet_device_create - For CONTROLVM_DEVICE_CREATE
 * @bus_no:         Bus # (0..n-1) from the msg receiver's end.
 * @dev_no:         Bus-relative (0..n-1) device number.
 * @channel_addr:   Guest physical address of the channel, which can be
 *                  dereferenced by the receiver of this ControlVm command.
 * @channel_bytes:  Specifies size of the channel in bytes.
 * @data_type_uuid: Specifies format of data in channel.
 * @dev_inst_uuid:  Instance guid for the device.
 * @irq_info intr:  Specifies interrupt information.
 */

struct controlvm_packet_device_create  {
	
u32 bus_no;
	
u32 dev_no;
	
u64 channel_addr;
	
u64 channel_bytes;
	
guid_t data_type_guid;
	
guid_t dev_inst_guid;
	
struct irq_info intr;

} __packed;

/*
 * struct controlvm_packet_device_configure - For CONTROLVM_DEVICE_CONFIGURE
 * @bus_no: Bus number (0..n-1) from the msg receiver's perspective.
 * @dev_no: Bus-relative (0..n-1) device number.
 */

struct controlvm_packet_device_configure  {
	
u32 bus_no;
	
u32 dev_no;

} __packed;

/* Total 128 bytes */

struct controlvm_message_device_create {
	
struct controlvm_message_header header;
	
struct controlvm_packet_device_create packet;

} __packed;

/* Total 56 bytes */

struct controlvm_message_device_configure  {
	
struct controlvm_message_header header;
	
struct controlvm_packet_device_configure packet;

} __packed;

/*
 * struct controlvm_message_packet - This is the format for a message in any
 *                                   ControlVm queue.
 * @struct create_bus:          For CONTROLVM_BUS_CREATE.
 *      @bus_no:             Bus # (0..n-1) from the msg receiver's perspective.
 *      @dev_count:          Indicates the max number of devices on this bus.
 *      @channel_addr:       Guest physical address of the channel, which can be
 *                           dereferenced by the receiver of this ControlVM
 *                           command.
 *      @channel_bytes:      Size of the channel.
 *      @bus_data_type_uuid: Indicates format of data in bus channel.
 *      @bus_inst_uuid:      Instance uuid for the bus.
 *
 * @struct destroy_bus:         For CONTROLVM_BUS_DESTROY.
 *      @bus_no: Bus # (0..n-1) from the msg receiver's perspective.
 *      @reserved: Natural alignment purposes.
 *
 * @struct configure_bus:       For CONTROLVM_BUS_CONFIGURE.
 *      @bus_no:              Bus # (0..n-1) from the receiver's perspective.
 *      @reserved1:           For alignment purposes.
 *      @guest_handle:        This is used to convert guest physical address to
 *                            physical address.
 *      @recv_bus_irq_handle: Specifies interrupt info. It is used by SP to
 *                            register to receive interrupts from the CP. This
 *                            interrupt is used for bus level notifications.
 *                            The corresponding sendBusInterruptHandle is kept
 *                            in CP.
 *
 * @struct create_device:       For CONTROLVM_DEVICE_CREATE.
 *
 * @struct destroy_device:      For CONTROLVM_DEVICE_DESTROY.
 *      @bus_no: Bus # (0..n-1) from the msg receiver's perspective.
 *      @dev_no: Bus-relative (0..n-1) device number.
 *
 * @struct configure_device:    For CONTROLVM_DEVICE_CONFIGURE.
 *
 * @struct reconfigure_device:  For CONTROLVM_DEVICE_RECONFIGURE.
 *      @bus_no: Bus # (0..n-1) from the msg receiver's perspective.
 *      @dev_no: Bus-relative (0..n-1) device number.
 *
 * @struct bus_change_state:    For CONTROLVM_BUS_CHANGESTATE.
 *      @bus_no:
 *      @struct state:
 *      @reserved: Natural alignment purposes.
 *
 * @struct device_change_state: For CONTROLVM_DEVICE_CHANGESTATE.
 *      @bus_no:
 *      @dev_no:
 *      @struct state:
 *      @struct flags:
 *              @phys_device: =1 if message is for a physical device.
 *              @reserved:    Natural alignment.
 *              @reserved1:   Natural alignment.
 *      @reserved:    Natural alignment purposes.
 *
 * @struct device_change_state_event:   For CONTROLVM_DEVICE_CHANGESTATE_EVENT.
 *      @bus_no:
 *      @dev_no:
 *      @struct state:
 *      @reserved:     Natural alignment purposes.
 *
 * @struct init_chipset:        For CONTROLVM_CHIPSET_INIT.
 *      @bus_count:       Indicates the max number of busses.
 *      @switch_count:    Indicates the max number of switches.
 *      @enum features:
 *      @platform_number:
 *
 * @struct chipset_selftest:    For CONTROLVM_CHIPSET_SELFTEST.
 *      @options: Reserved.
 *      @test:    Bit 0 set to run embedded selftest.
 *
 * @addr:   A physical address of something, that can be dereferenced by the
 *          receiver of this ControlVm command.
 *
 * @handle: A handle of something (depends on command id).
 */

struct controlvm_message_packet  {
	
union  {
		
struct  {
			
u32 bus_no;
			
u32 dev_count;
			
u64 channel_addr;
			
u64 channel_bytes;
			
guid_t bus_data_type_guid;
			
guid_t bus_inst_guid;
		
} __packed create_bus;
		
struct  {
			
u32 bus_no;
			
u32 reserved;
		
} __packed destroy_bus;
		
struct  {
			
u32 bus_no;
			
u32 reserved1;
			
u64 guest_handle;
			
u64 recv_bus_irq_handle;
		
} __packed configure_bus;
		
struct controlvm_packet_device_create create_device;
		
struct  {
			
u32 bus_no;
			
u32 dev_no;
		
} __packed destroy_device;
		
struct controlvm_packet_device_configure configure_device;
		
struct  {
			
u32 bus_no;
			
u32 dev_no;
		
} __packed reconfigure_device;
		
struct  {
			
u32 bus_no;
			
struct visor_segment_state state;
			
u8 reserved[2];
		
} __packed bus_change_state;
		
struct  {
			
u32 bus_no;
			
u32 dev_no;
			
struct visor_segment_state state;
			
struct  {
				
u32 phys_device:1;
				
u32 reserved:31;
				
u32 reserved1;
			
} __packed flags;
			
u8 reserved[2];
		
} __packed device_change_state;
		
struct  {
			
u32 bus_no;
			
u32 dev_no;
			
struct visor_segment_state state;
			
u8 reserved[6];
		
} __packed device_change_state_event;
		
struct  {
			
u32 bus_count;
			
u32 switch_count;
			
enum visor_chipset_feature features;
			
u32 platform_number;
		
} __packed init_chipset;
		
struct  {
			
u32 options;
			
u32 test;
		
} __packed chipset_selftest;
		
u64 addr;
		
u64 handle;
	};

} __packed;

/* All messages in any ControlVm queue have this layout. */

struct controlvm_message {
	
struct controlvm_message_header hdr;
	
struct controlvm_message_packet cmd;

} __packed;

/*
 * struct visor_controlvm_channel
 * @struct header:
 * @gp_controlvm:                       Guest phys addr of this channel.
 * @gp_partition_tables:                Guest phys addr of partition tables.
 * @gp_diag_guest:                      Guest phys addr of diagnostic channel.
 * @gp_boot_romdisk:                    Guest phys addr of (read* only) Boot
 *                                      ROM disk.
 * @gp_boot_ramdisk:                    Guest phys addr of writable Boot RAM
 *                                      disk.
 * @gp_acpi_table:                      Guest phys addr of acpi table.
 * @gp_control_channel:                 Guest phys addr of control channel.
 * @gp_diag_romdisk:                    Guest phys addr of diagnostic ROM disk.
 * @gp_nvram:                           Guest phys addr of NVRAM channel.
 * @request_payload_offset:             Offset to request payload area.
 * @event_payload_offset:               Offset to event payload area.
 * @request_payload_bytes:              Bytes available in request payload area.
 * @event_payload_bytes:                Bytes available in event payload area.
 * @control_channel_bytes:
 * @nvram_channel_bytes:                Bytes in PartitionNvram segment.
 * @message_bytes:                      sizeof(CONTROLVM_MESSAGE).
 * @message_count:                      CONTROLVM_MESSAGE_MAX.
 * @gp_smbios_table:                    Guest phys addr of SMBIOS tables.
 * @gp_physical_smbios_table:           Guest phys addr of SMBIOS table.
 * @gp_reserved:                        VISOR_MAX_GUESTS_PER_SERVICE.
 * @virtual_guest_firmware_image_base:  Guest physical address of EFI firmware
 *                                      image base.
 * @virtual_guest_firmware_entry_point: Guest physical address of EFI firmware
 *                                      entry point.
 * @virtual_guest_firmware_image_size:  Guest EFI firmware image size.
 * @virtual_guest_firmware_boot_base:   GPA = 1MB where EFI firmware image is
 *                                      copied to.
 * @virtual_guest_image_base:
 * @virtual_guest_image_size:
 * @prototype_control_channel_offset:
 * @virtual_guest_partition_handle:
 * @restore_action:                     Restore Action field to restore the
 *                                      guest partition.
 * @dump_action:                        For Windows guests it shows if the
 *                                      visordisk is in dump mode.
 * @nvram_fail_count:
 * @saved_crash_message_count:          = CONTROLVM_CRASHMSG_MAX.
 * @saved_crash_message_offset:         Offset to request payload area needed
 *                                      for crash dump.
 * @installation_error:                 Type of error encountered during
 *                                      installation.
 * @installation_text_id:               Id of string to display.
 * @installation_remaining_steps:       Number of remaining installation steps
 *                                      (for progress bars).
 * @tool_action:                        VISOR_TOOL_ACTIONS Installation Action
 *                                      field.
 * @reserved: Alignment.
 * @struct efi_visor_ind:
 * @sp_reserved:
 * @reserved2:                          Force signals to begin on 128-byte
 *                                      cache line.
 * @struct request_queue:               Guest partition uses this queue to send
 *                                      requests to Control.
 * @struct response_queue:              Control uses this queue to respond to
 *                                      service or guest partition request.
 * @struct event_queue:                 Control uses this queue to send events
 *                                      to guest partition.
 * @struct event_ack_queue:             Service or guest partition uses this
 *                                      queue to ack Control events.
 * @struct request_msg:                 Request fixed-size message pool -
 *                                      does not include payload.
 * @struct response_msg:                Response fixed-size message pool -
 *                                      does not include payload.
 * @struct event_msg:                   Event fixed-size message pool -
 *                                      does not include payload.
 * @struct event_ack_msg:               Ack fixed-size message pool -
 *                                      does not include payload.
 * @struct saved_crash_msg:             Message stored during IOVM creation to
 *                                      be reused after crash.
 */

struct visor_controlvm_channel {
	
struct channel_header header;
	
u64 gp_controlvm;
	
u64 gp_partition_tables;
	
u64 gp_diag_guest;
	
u64 gp_boot_romdisk;
	
u64 gp_boot_ramdisk;
	
u64 gp_acpi_table;
	
u64 gp_control_channel;
	
u64 gp_diag_romdisk;
	
u64 gp_nvram;
	
u64 request_payload_offset;
	
u64 event_payload_offset;
	
u32 request_payload_bytes;
	
u32 event_payload_bytes;
	
u32 control_channel_bytes;
	
u32 nvram_channel_bytes;
	
u32 message_bytes;
	
u32 message_count;
	
u64 gp_smbios_table;
	
u64 gp_physical_smbios_table;
	
char gp_reserved[2688];
	
u64 virtual_guest_firmware_image_base;
	
u64 virtual_guest_firmware_entry_point;
	
u64 virtual_guest_firmware_image_size;
	
u64 virtual_guest_firmware_boot_base;
	
u64 virtual_guest_image_base;
	
u64 virtual_guest_image_size;
	
u64 prototype_control_channel_offset;
	
u64 virtual_guest_partition_handle;
	
u16 restore_action;
	
u16 dump_action;
	
u16 nvram_fail_count;
	
u16 saved_crash_message_count;
	
u32 saved_crash_message_offset;
	
u32 installation_error;
	
u32 installation_text_id;
	
u16 installation_remaining_steps;
	
u8 tool_action;
	
u8 reserved;
	
struct efi_visor_indication efi_visor_ind;
	
u32 sp_reserved;
	
u8 reserved2[28];
	
struct signal_queue_header request_queue;
	
struct signal_queue_header response_queue;
	
struct signal_queue_header event_queue;
	
struct signal_queue_header event_ack_queue;
	
struct controlvm_message request_msg[CONTROLVM_MESSAGE_MAX];
	
struct controlvm_message response_msg[CONTROLVM_MESSAGE_MAX];
	
struct controlvm_message event_msg[CONTROLVM_MESSAGE_MAX];
	
struct controlvm_message event_ack_msg[CONTROLVM_MESSAGE_MAX];
	
struct controlvm_message saved_crash_msg[CONTROLVM_CRASHMSG_MAX];

} __packed;

/*
 * struct visor_controlvm_parameters_header
 *
 * The following header will be located at the beginning of PayloadVmOffset for
 * various ControlVm commands. The receiver of a ControlVm command with a
 * PayloadVmOffset will dereference this address and then use connection_offset,
 * initiator_offset, and target_offset to get the location of UTF-8 formatted
 * strings that can be parsed to obtain command-specific information. The value
 * of total_length should equal PayloadBytes. The format of the strings at
 * PayloadVmOffset will take different forms depending on the message.
 */

struct visor_controlvm_parameters_header {
	
u32 total_length;
	
u32 header_length;
	
u32 connection_offset;
	
u32 connection_length;
	
u32 initiator_offset;
	
u32 initiator_length;
	
u32 target_offset;
	
u32 target_length;
	
u32 client_offset;
	
u32 client_length;
	
u32 name_offset;
	
u32 name_length;
	
guid_t id;
	
u32 revision;
	/* Natural alignment */
	
u32 reserved;

} __packed;

/* General Errors------------------------------------------------------[0-99] */

#define CONTROLVM_RESP_SUCCESS			   0

#define CONTROLVM_RESP_ALREADY_DONE		   1

#define CONTROLVM_RESP_IOREMAP_FAILED		   2

#define CONTROLVM_RESP_KMALLOC_FAILED		   3

#define CONTROLVM_RESP_ID_UNKNOWN		   4

#define CONTROLVM_RESP_ID_INVALID_FOR_CLIENT	   5
/* CONTROLVM_INIT_CHIPSET-------------------------------------------[100-199] */

#define CONTROLVM_RESP_CLIENT_SWITCHCOUNT_NONZERO  100

#define CONTROLVM_RESP_EXPECTED_CHIPSET_INIT	   101
/* Maximum Limit----------------------------------------------------[200-299] */
/* BUS_CREATE */

#define CONTROLVM_RESP_ERROR_MAX_BUSES		   201
/* DEVICE_CREATE */

#define CONTROLVM_RESP_ERROR_MAX_DEVICES	   202
/* Payload and Parameter Related------------------------------------[400-499] */
/* SWITCH_ATTACHEXTPORT, DEVICE_CONFIGURE */

#define CONTROLVM_RESP_PAYLOAD_INVALID		   400
/* Multiple */

#define CONTROLVM_RESP_INITIATOR_PARAMETER_INVALID 401
/* DEVICE_CONFIGURE */

#define CONTROLVM_RESP_TARGET_PARAMETER_INVALID	   402
/* DEVICE_CONFIGURE */

#define CONTROLVM_RESP_CLIENT_PARAMETER_INVALID	   403
/* Specified[Packet Structure] Value--------------------------------[500-599] */
/* SWITCH_ATTACHINTPORT */
/* BUS_CONFIGURE, DEVICE_CREATE, DEVICE_CONFIG, DEVICE_DESTROY */

#define CONTROLVM_RESP_BUS_INVALID		   500
/* SWITCH_ATTACHINTPORT*/
/* DEVICE_CREATE, DEVICE_CONFIGURE, DEVICE_DESTROY */

#define CONTROLVM_RESP_DEVICE_INVALID		   501
/* DEVICE_CREATE, DEVICE_CONFIGURE */

#define CONTROLVM_RESP_CHANNEL_INVALID		   502
/* Partition Driver Callback Interface------------------------------[600-699] */
/* BUS_CREATE, BUS_DESTROY, DEVICE_CREATE, DEVICE_DESTROY */

#define CONTROLVM_RESP_VIRTPCI_DRIVER_FAILURE	   604
/* Unable to invoke VIRTPCI callback. VIRTPCI Callback returned error. */
/* BUS_CREATE, BUS_DESTROY, DEVICE_CREATE, DEVICE_DESTROY */

#define CONTROLVM_RESP_VIRTPCI_DRIVER_CALLBACK_ERROR   605
/* Generic device callback returned error. */
/* SWITCH_ATTACHEXTPORT, SWITCH_DETACHEXTPORT, DEVICE_CONFIGURE */

#define CONTROLVM_RESP_GENERIC_DRIVER_CALLBACK_ERROR   606
/* Bus Related------------------------------------------------------[700-799] */
/* BUS_DESTROY */

#define CONTROLVM_RESP_ERROR_BUS_DEVICE_ATTACHED       700
/* Channel Related--------------------------------------------------[800-899] */
/* GET_CHANNELINFO, DEVICE_DESTROY */

#define CONTROLVM_RESP_CHANNEL_TYPE_UNKNOWN	       800
/* DEVICE_CREATE */

#define CONTROLVM_RESP_CHANNEL_SIZE_TOO_SMALL	       801
/* Chipset Shutdown Related---------------------------------------[1000-1099] */

#define CONTROLVM_RESP_CHIPSET_SHUTDOWN_FAILED	       1000

#define CONTROLVM_RESP_CHIPSET_SHUTDOWN_ALREADY_ACTIVE 1001
/* Chipset Stop Related-------------------------------------------[1100-1199] */

#define CONTROLVM_RESP_CHIPSET_STOP_FAILED_BUS	       1100

#define CONTROLVM_RESP_CHIPSET_STOP_FAILED_SWITCH      1101
/* Device Related-------------------------------------------------[1400-1499] */

#define CONTROLVM_RESP_DEVICE_UDEV_TIMEOUT	       1400

/* __CONTROLVMCHANNEL_H__ */
#endif

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Erik Arfvidson252.29%511.90%
Andy Shevchenko111.01%12.38%
Veronika Kabatova40.37%24.76%
Greg Kroah-Hartman20.18%24.76%
Total1091100.00%42100.00%
Directory: drivers/visorbus
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