From: Sameer Wadgaonkar <sameer.wadgaonkar@xxxxxxxxxx>
Removed comments from the right side of lines and fixed spacing in
comments.
Added kernel-doc like comments and cleaned up the inline comments in the
structures.
Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@xxxxxxxxxx>
Signed-off-by: David Kershner <david.kershner@xxxxxxxxxx>
---
drivers/staging/unisys/visorbus/controlvmchannel.h | 688 ++++++++------
1 file changed, 414 insertions(+), 274 deletions(-)
diff --git a/drivers/staging/unisys/visorbus/controlvmchannel.h b/drivers/staging/unisys/visorbus/controlvmchannel.h
index ed045ef..5c67baf 100644
--- a/drivers/staging/unisys/visorbus/controlvmchannel.h
+++ b/drivers/staging/unisys/visorbus/controlvmchannel.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 2010 - 2015 UNISYS CORPORATION
+/*
+ * Copyright (C) 2010 - 2015 UNISYS CORPORATION
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
@@ -26,11 +27,12 @@
#define VISOR_CONTROLVM_CHANNEL_SIGNATURE VISOR_CHANNEL_SIGNATURE
#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.
+/*
+ * 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
@@ -51,28 +53,31 @@
/* 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 {
- /* Bit 0: May enter other states */
u16 enabled:1;
- /* Bit 1: Assigned to active partition */
u16 active:1;
- /* Bit 2: Configure message sent to service/server */
u16 alive:1;
- /* Bit 3: similar to partition state ShuttingDown */
u16 revoked:1;
- /* Bit 4: memory (device/port number) has been selected by Command */
u16 allocated:1;
- /* Bit 5: has been introduced to the service/guest partition */
u16 known:1;
- /* Bit 6: service/Guest partition has responded to introduction */
u16 ready:1;
- /* Bit 7: resource is configured and operating */
u16 operating:1;
- /* Natural alignment*/
u16 reserved:8;
-/* Note: don't use high bit unless we need to switch to ushort
- * which is non-compliant
- */
} __packed;
static const struct visor_segment_state segment_state_running = {
@@ -87,74 +92,101 @@ static const struct visor_segment_state segment_state_standby = {
1, 1, 0, 0, 1, 1, 1, 0
};
-/* Ids for commands that may appear in either queue of a ControlVm channel.
+/*
+ * 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
+ * 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
+ * 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, /* CP --> SP, GP */
- CONTROLVM_BUS_DESTROY = 0x102, /* CP --> SP, GP */
- CONTROLVM_BUS_CONFIGURE = 0x104, /* CP --> SP */
- CONTROLVM_BUS_CHANGESTATE = 0x105, /* CP --> SP, GP */
- CONTROLVM_BUS_CHANGESTATE_EVENT = 0x106, /* SP, GP --> CP */
-/* DEVICE commands required Parameter: BusNumber, DeviceNumber */
-
- CONTROLVM_DEVICE_CREATE = 0x201, /* CP --> SP, GP */
- CONTROLVM_DEVICE_DESTROY = 0x202, /* CP --> SP, GP */
- CONTROLVM_DEVICE_CONFIGURE = 0x203, /* CP --> SP */
- CONTROLVM_DEVICE_CHANGESTATE = 0x204, /* CP --> SP, GP */
- CONTROLVM_DEVICE_CHANGESTATE_EVENT = 0x205, /* SP, GP --> CP */
- CONTROLVM_DEVICE_RECONFIGURE = 0x206, /* CP --> Boot */
-/* CHIPSET commands */
- CONTROLVM_CHIPSET_INIT = 0x301, /* CP --> SP, GP */
- CONTROLVM_CHIPSET_STOP = 0x302, /* CP --> SP, GP */
- CONTROLVM_CHIPSET_READY = 0x304, /* CP --> SP */
- CONTROLVM_CHIPSET_SELFTEST = 0x305, /* CP --> SP */
-
+ /*
+ * 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;
-
- /* 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.
- */
u64 recv_irq_handle;
-
- /* specifies interrupt vector. It, interrupt pin, and shared are
- * used to connect to the corresponding interrupt. Used by
- * IOPart-GP only.
- */
u32 recv_irq_vector;
-
- /* 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.
- */
u8 recv_irq_shared;
- u8 reserved[3]; /* Natural alignment purposes */
+ 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; /* Bit 0: Stop in uefi ui */
- u64 clear_nvram:1; /* Bit 1: Clear NVRAM */
- u64 clear_cmos:1; /* Bit 2: Clear CMOS */
- u64 boot_to_tool:1; /* Bit 3: Run install tool */
- /* remaining bits are available */
- u64 reserved:60; /* Natural alignment */
+ 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 {
@@ -162,182 +194,249 @@ enum visor_chipset_feature {
VISOR_CHIPSET_FEATURE_PARA_HOTPLUG = 0x00000002,
};
-/* 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
+ * @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; /* See CONTROLVM_ID. */
- /* For requests, indicates the message type. */
- /* For responses, indicates the type of message we are responding to. */
-
- /* Includes size of this struct + size of message */
+ u32 id;
+ /*
+ * For requests, indicates the message type. For responses, indicates
+ * the type of message we are responding to.
+ */
u32 message_size;
- /* Index of segment containing Vm message/information */
u32 segment_index;
- /* Error status code or result of message completion */
u32 completion_status;
struct {
- /* =1 in a response to signify failure */
u32 failed:1;
- /* =1 in all messages that expect a response */
u32 response_expected:1;
- /* =1 in all bus & device-related messages where the message
- * receiver is to act as the bus or device server
- */
u32 server:1;
- /* =1 for testing use only (Control and Command ignore this */
u32 test_message:1;
- /* =1 if there are forthcoming responses/acks associated
- * with this message
- */
u32 partial_completion:1;
- /* =1 this is to let us know to preserve channel contents */
u32 preserve:1;
- /* =1 the DiagWriter is active in the Diagnostic Partition */
u32 writer_in_diag:1;
- /* Natural alignment */
u32 reserve:25;
} __packed flags;
- /* Natural alignment */
u32 reserved;
- /* Identifies the particular message instance */
u64 message_handle;
- /* request instances with the corresponding response instance. */
- /* Offset of payload area from start of this instance */
u64 payload_vm_offset;
- /* Maximum bytes allocated in payload area of ControlVm segment */
u32 payload_max_bytes;
- /* Actual number of bytes of payload area to copy between IO/Command */
u32 payload_bytes;
- /* if non-zero, there is a payload to copy. */
} __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; /* bus # (0..n-1) from the msg receiver's end */
- u32 dev_no; /* bus-relative (0..n-1) device number */
- /* Guest physical address of the channel, which can be dereferenced by
- * the receiver of this ControlVm command
- */
+ u32 bus_no;
+ u32 dev_no;
u64 channel_addr;
- u64 channel_bytes; /* specifies size of the channel in bytes */
- uuid_le data_type_uuid; /* specifies format of data in channel */
- uuid_le dev_inst_uuid; /* instance guid for the device */
- struct irq_info intr; /* specifies interrupt information */
-} __packed; /* for CONTROLVM_DEVICE_CREATE */
+ u64 channel_bytes;
+ uuid_le data_type_uuid;
+ uuid_le dev_inst_uuid;
+ 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 {
- /* bus # (0..n-1) from the msg receiver's perspective */
u32 bus_no;
- /* Control uses header SegmentIndex field to access bus number... */
- u32 dev_no; /* bus-relative (0..n-1) device number */
-} __packed; /* for CONTROLVM_DEVICE_CONFIGURE */
+ /* Control uses header SegmentIndex field to access bus number. */
+ 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 128 bytes */
+} __packed;
+/* Total 56 bytes */
struct controlvm_message_device_configure {
struct controlvm_message_header header;
struct controlvm_packet_device_configure packet;
-} __packed; /* total 56 bytes */
+} __packed;
-/* This is the format for a message in any ControlVm queue. */
+/*
+ * 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 {
- /* bus # (0..n-1) from the msg receiver's perspective */
u32 bus_no;
- /* indicates the max number of devices on this bus */
u32 dev_count;
- /* Guest physical address of the channel, which can be
- * dereferenced by the receiver of this ControlVm command
- */
u64 channel_addr;
- u64 channel_bytes; /* size of the channel */
- /* indicates format of data in bus channel*/
+ u64 channel_bytes;
uuid_le bus_data_type_uuid;
- uuid_le bus_inst_uuid; /* instance uuid for the bus */
- } __packed create_bus; /* for CONTROLVM_BUS_CREATE */
+ uuid_le bus_inst_uuid;
+ } __packed create_bus;
struct {
- /* bus # (0..n-1) from the msg receiver's perspective */
u32 bus_no;
- u32 reserved; /* Natural alignment purposes */
- } __packed destroy_bus; /* for CONTROLVM_BUS_DESTROY */
+ u32 reserved;
+ } __packed destroy_bus;
struct {
- /* bus # (0..n-1) from the receiver's perspective */
u32 bus_no;
- u32 reserved1; /* for alignment purposes */
- /* This is used to convert guest physical address to physical address */
+ u32 reserved1;
u64 guest_handle;
u64 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.
- */
- } __packed configure_bus; /* for CONTROLVM_BUS_CONFIGURE */
- /* for CONTROLVM_DEVICE_CREATE */
+ } __packed configure_bus;
struct controlvm_packet_device_create create_device;
struct {
- /* bus # (0..n-1) from the msg receiver's perspective */
u32 bus_no;
- u32 dev_no; /* bus-relative (0..n-1) device # */
- } __packed destroy_device; /* for CONTROLVM_DEVICE_DESTROY */
- /* for CONTROLVM_DEVICE_CONFIGURE */
+ u32 dev_no;
+ } __packed destroy_device;
struct controlvm_packet_device_configure configure_device;
struct {
- /* bus # (0..n-1) from the msg receiver's perspective */
u32 bus_no;
- u32 dev_no; /* bus-relative (0..n-1) device # */
+ u32 dev_no;
} __packed reconfigure_device;
- /* for CONTROLVM_DEVICE_RECONFIGURE */
struct {
u32 bus_no;
struct visor_segment_state state;
- u8 reserved[2]; /* Natural alignment purposes */
- } __packed bus_change_state; /* for CONTROLVM_BUS_CHANGESTATE */
+ u8 reserved[2];
+ } __packed bus_change_state;
struct {
u32 bus_no;
u32 dev_no;
struct visor_segment_state state;
struct {
- /* =1 if message is for a physical device */
u32 phys_device:1;
- u32 reserved:31; /* Natural alignment */
- u32 reserved1; /* Natural alignment */
+ u32 reserved:31;
+ u32 reserved1;
} __packed flags;
- u8 reserved[2]; /* Natural alignment purposes */
+ u8 reserved[2];
} __packed device_change_state;
- /* for CONTROLVM_DEVICE_CHANGESTATE */
struct {
u32 bus_no;
u32 dev_no;
struct visor_segment_state state;
- u8 reserved[6]; /* Natural alignment purposes */
+ u8 reserved[6];
} __packed device_change_state_event;
- /* for CONTROLVM_DEVICE_CHANGESTATE_EVENT */
struct {
- /* indicates the max number of busses */
u32 bus_count;
- /* indicates the max number of switches */
u32 switch_count;
enum visor_chipset_feature features;
- u32 platform_number; /* Platform Number */
- } __packed init_chipset; /* for CONTROLVM_CHIPSET_INIT */
+ u32 platform_number;
+ } __packed init_chipset;
struct {
- u32 options; /* reserved */
- u32 test; /* bit 0 set to run embedded selftest */
+ u32 options;
+ u32 test;
} __packed chipset_selftest;
- /* for CONTROLVM_CHIPSET_SELFTEST */
- /* a physical address of something, that can be dereferenced
- * by the receiver of this ControlVm command
- */
u64 addr;
- /* a handle of something (depends on command id) */
u64 handle;
};
} __packed;
@@ -348,93 +447,139 @@ struct controlvm_message {
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; /* guest phys addr of this channel */
- u64 gp_partition_tables;/* guest phys addr of partition tables */
- u64 gp_diag_guest; /* guest phys addr of diagnostic channel */
- u64 gp_boot_romdisk;/* guest phys addr of (read* only) Boot ROM disk */
- u64 gp_boot_ramdisk;/* guest phys addr of writable Boot RAM disk */
- u64 gp_acpi_table; /* guest phys addr of acpi table */
- u64 gp_control_channel;/* guest phys addr of control channel */
- u64 gp_diag_romdisk;/* guest phys addr of diagnostic ROM disk */
- u64 gp_nvram; /* guest phys addr of NVRAM channel */
- u64 request_payload_offset; /* Offset to request payload area */
- u64 event_payload_offset; /* Offset to event payload area */
- /* Bytes available in request payload area */
+ 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;/* Bytes available in event payload area */
+ u32 event_payload_bytes;
u32 control_channel_bytes;
- u32 nvram_channel_bytes; /* Bytes in PartitionNvram segment */
- u32 message_bytes; /* sizeof(CONTROLVM_MESSAGE) */
- u32 message_count; /* CONTROLVM_MESSAGE_MAX */
- u64 gp_smbios_table; /* guest phys addr of SMBIOS tables */
- u64 gp_physical_smbios_table; /* guest phys addr of SMBIOS table */
- /* VISOR_MAX_GUESTS_PER_SERVICE */
+ u32 nvram_channel_bytes;
+ u32 message_bytes;
+ u32 message_count;
+ u64 gp_smbios_table;
+ u64 gp_physical_smbios_table;
char gp_reserved[2688];
-
- /* guest physical address of EFI firmware image base */
u64 virtual_guest_firmware_image_base;
-
- /* guest physical address of EFI firmware entry point */
u64 virtual_guest_firmware_entry_point;
-
- /* guest EFI firmware image size */
u64 virtual_guest_firmware_image_size;
-
- /* GPA = 1MB where EFI firmware image is copied to */
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;
- /* Restore Action field to restore the guest partition */
u16 restore_action;
- /* For Windows guests it shows if the visordisk is in dump mode */
u16 dump_action;
u16 nvram_fail_count;
- u16 saved_crash_message_count; /* = CONTROLVM_CRASHMSG_MAX */
- /* Offset to request payload area needed for crash dump */
+ u16 saved_crash_message_count;
u32 saved_crash_message_offset;
- /* Type of error encountered during installation */
u32 installation_error;
- u32 installation_text_id; /* Id of string to display */
- /* Number of remaining installation steps (for progress bars) */
+ u32 installation_text_id;
u16 installation_remaining_steps;
- /* VISOR_TOOL_ACTIONS Installation Action field */
u8 tool_action;
- u8 reserved; /* alignment */
+ u8 reserved;
struct efi_visor_indication efi_visor_ind;
u32 sp_reserved;
- /* Force signals to begin on 128-byte cache line */
u8 reserved2[28];
- /* guest partition uses this queue to send requests to Control */
struct signal_queue_header request_queue;
- /* Control uses this queue to respond to service or guest
- * partition requests
- */
struct signal_queue_header response_queue;
- /* Control uses this queue to send events to guest partition */
struct signal_queue_header event_queue;
- /* Service or guest partition uses this queue to ack Control events */
struct signal_queue_header event_ack_queue;
- /* Request fixed-size message pool - does not include payload */
- struct controlvm_message request_msg[CONTROLVM_MESSAGE_MAX];
-
- /* Response fixed-size message pool - does not include payload */
- struct controlvm_message response_msg[CONTROLVM_MESSAGE_MAX];
-
- /* Event fixed-size message pool - does not include payload */
- struct controlvm_message event_msg[CONTROLVM_MESSAGE_MAX];
-
- /* Ack fixed-size message pool - does not include payload */
- struct controlvm_message event_ack_msg[CONTROLVM_MESSAGE_MAX];
-
- /* Message stored during IOVM creation to be reused after crash */
- struct controlvm_message saved_crash_msg[CONTROLVM_CRASHMSG_MAX];
+ 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;
-/* The following header will be located at the beginning of PayloadVmOffset for
+/*
+ * 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
@@ -457,7 +602,8 @@ struct visor_controlvm_parameters_header {
u32 name_length;
uuid_le id;
u32 revision;
- u32 reserved; /* Natural alignment */
+ /* Natural alignment */
+ u32 reserved;
} __packed;
/* General Errors------------------------------------------------------[0-99] */
@@ -473,57 +619,50 @@ struct visor_controlvm_parameters_header {
#define CONTROLVM_RESP_EXPECTED_CHIPSET_INIT 101
/* Maximum Limit----------------------------------------------------[200-299] */
-#define CONTROLVM_RESP_ERROR_MAX_BUSES 201 /* BUS_CREATE */
-#define CONTROLVM_RESP_ERROR_MAX_DEVICES 202 /* DEVICE_CREATE */
+/* BUS_CREATE */
+#define CONTROLVM_RESP_ERROR_MAX_BUSES 201
+/* DEVICE_CREATE */
+#define CONTROLVM_RESP_ERROR_MAX_DEVICES 202
+
/* Payload and Parameter Related------------------------------------[400-499] */
-#define CONTROLVM_RESP_PAYLOAD_INVALID 400 /* SWITCH_ATTACHEXTPORT,
- * DEVICE_CONFIGURE
- */
-#define CONTROLVM_RESP_INITIATOR_PARAMETER_INVALID 401 /* Multiple */
-#define CONTROLVM_RESP_TARGET_PARAMETER_INVALID 402 /* DEVICE_CONFIGURE */
-#define CONTROLVM_RESP_CLIENT_PARAMETER_INVALID 403 /* DEVICE_CONFIGURE */
-/* Specified[Packet Structure] Value-------------------------------[500-599] */
-#define CONTROLVM_RESP_BUS_INVALID 500 /* SWITCH_ATTACHINTPORT,
- * BUS_CONFIGURE,
- * DEVICE_CREATE,
- * DEVICE_CONFIG
- * DEVICE_DESTROY
- */
-#define CONTROLVM_RESP_DEVICE_INVALID 501 /* SWITCH_ATTACHINTPORT*/
- /* DEVICE_CREATE,
- * DEVICE_CONFIGURE,
- * DEVICE_DESTROY
- */
-#define CONTROLVM_RESP_CHANNEL_INVALID 502 /* DEVICE_CREATE,
- * DEVICE_CONFIGURE
- */
-/* Partition Driver Callback Interface----------------------[600-699] */
-#define CONTROLVM_RESP_VIRTPCI_DRIVER_FAILURE 604 /* BUS_CREATE,
- * BUS_DESTROY,
- * DEVICE_CREATE,
- * DEVICE_DESTROY
- */
-/* Unable to invoke VIRTPCI callback */
-#define CONTROLVM_RESP_VIRTPCI_DRIVER_CALLBACK_ERROR 605 /* BUS_CREATE,
- * BUS_DESTROY,
- * DEVICE_CREATE,
- * DEVICE_DESTROY
- */
-/* VIRTPCI Callback returned error */
+/* 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
- /* SWITCH_ATTACHEXTPORT,
- * SWITCH_DETACHEXTPORT
- * DEVICE_CONFIGURE
- */
-/* generic device callback returned error */
/* Bus Related------------------------------------------------------[700-799] */
-#define CONTROLVM_RESP_ERROR_BUS_DEVICE_ATTACHED 700 /* BUS_DESTROY */
+/* BUS_DESTROY */
+#define CONTROLVM_RESP_ERROR_BUS_DEVICE_ATTACHED 700
+
/* Channel Related--------------------------------------------------[800-899] */
-#define CONTROLVM_RESP_CHANNEL_TYPE_UNKNOWN 800 /* GET_CHANNELINFO,
- * DEVICE_DESTROY
- */
-#define CONTROLVM_RESP_CHANNEL_SIZE_TOO_SMALL 801 /* DEVICE_CREATE */
+/* 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
@@ -535,4 +674,5 @@ struct visor_controlvm_parameters_header {
/* Device Related-------------------------------------------------[1400-1499] */
#define CONTROLVM_RESP_DEVICE_UDEV_TIMEOUT 1400
-#endif /* __CONTROLVMCHANNEL_H__ */
+/* __CONTROLVMCHANNEL_H__ */
+#endif
--
git-series 0.9.1
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