summaryrefslogtreecommitdiff
path: root/drivers/staging/hv/hyperv.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/hv/hyperv.h')
-rw-r--r--drivers/staging/hv/hyperv.h969
1 files changed, 0 insertions, 969 deletions
diff --git a/drivers/staging/hv/hyperv.h b/drivers/staging/hv/hyperv.h
deleted file mode 100644
index edaa9e2f58ec..000000000000
--- a/drivers/staging/hv/hyperv.h
+++ /dev/null
@@ -1,969 +0,0 @@
-/*
- *
- * Copyright (c) 2011, Microsoft Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
- *
- * Authors:
- * Haiyang Zhang <haiyangz@microsoft.com>
- * Hank Janssen <hjanssen@microsoft.com>
- * K. Y. Srinivasan <kys@microsoft.com>
- *
- */
-
-#ifndef _HYPERV_H
-#define _HYPERV_H
-
-#include <linux/scatterlist.h>
-#include <linux/list.h>
-#include <linux/uuid.h>
-#include <linux/timer.h>
-#include <linux/workqueue.h>
-#include <linux/completion.h>
-#include <linux/device.h>
-#include <linux/mod_devicetable.h>
-
-
-#include <asm/hyperv.h>
-
-
-#define MAX_PAGE_BUFFER_COUNT 16
-#define MAX_MULTIPAGE_BUFFER_COUNT 32 /* 128K */
-
-#pragma pack(push, 1)
-
-/* Single-page buffer */
-struct hv_page_buffer {
- u32 len;
- u32 offset;
- u64 pfn;
-};
-
-/* Multiple-page buffer */
-struct hv_multipage_buffer {
- /* Length and Offset determines the # of pfns in the array */
- u32 len;
- u32 offset;
- u64 pfn_array[MAX_MULTIPAGE_BUFFER_COUNT];
-};
-
-/* 0x18 includes the proprietary packet header */
-#define MAX_PAGE_BUFFER_PACKET (0x18 + \
- (sizeof(struct hv_page_buffer) * \
- MAX_PAGE_BUFFER_COUNT))
-#define MAX_MULTIPAGE_BUFFER_PACKET (0x18 + \
- sizeof(struct hv_multipage_buffer))
-
-
-#pragma pack(pop)
-
-struct hv_ring_buffer {
- /* Offset in bytes from the start of ring data below */
- u32 write_index;
-
- /* Offset in bytes from the start of ring data below */
- u32 read_index;
-
- u32 interrupt_mask;
-
- /* Pad it to PAGE_SIZE so that data starts on page boundary */
- u8 reserved[4084];
-
- /* NOTE:
- * The interrupt_mask field is used only for channels but since our
- * vmbus connection also uses this data structure and its data starts
- * here, we commented out this field.
- */
-
- /*
- * Ring data starts here + RingDataStartOffset
- * !!! DO NOT place any fields below this !!!
- */
- u8 buffer[0];
-} __packed;
-
-struct hv_ring_buffer_info {
- struct hv_ring_buffer *ring_buffer;
- u32 ring_size; /* Include the shared header */
- spinlock_t ring_lock;
-
- u32 ring_datasize; /* < ring_size */
- u32 ring_data_startoffset;
-};
-
-struct hv_ring_buffer_debug_info {
- u32 current_interrupt_mask;
- u32 current_read_index;
- u32 current_write_index;
- u32 bytes_avail_toread;
- u32 bytes_avail_towrite;
-};
-
-/*
- * We use the same version numbering for all Hyper-V modules.
- *
- * Definition of versioning is as follows;
- *
- * Major Number Changes for these scenarios;
- * 1. When a new version of Windows Hyper-V
- * is released.
- * 2. A Major change has occurred in the
- * Linux IC's.
- * (For example the merge for the first time
- * into the kernel) Every time the Major Number
- * changes, the Revision number is reset to 0.
- * Minor Number Changes when new functionality is added
- * to the Linux IC's that is not a bug fix.
- *
- * 3.1 - Added completed hv_utils driver. Shutdown/Heartbeat/Timesync
- */
-#define HV_DRV_VERSION "3.1"
-
-
-/*
- * A revision number of vmbus that is used for ensuring both ends on a
- * partition are using compatible versions.
- */
-#define VMBUS_REVISION_NUMBER 13
-
-/* Make maximum size of pipe payload of 16K */
-#define MAX_PIPE_DATA_PAYLOAD (sizeof(u8) * 16384)
-
-/* Define PipeMode values. */
-#define VMBUS_PIPE_TYPE_BYTE 0x00000000
-#define VMBUS_PIPE_TYPE_MESSAGE 0x00000004
-
-/* The size of the user defined data buffer for non-pipe offers. */
-#define MAX_USER_DEFINED_BYTES 120
-
-/* The size of the user defined data buffer for pipe offers. */
-#define MAX_PIPE_USER_DEFINED_BYTES 116
-
-/*
- * At the center of the Channel Management library is the Channel Offer. This
- * struct contains the fundamental information about an offer.
- */
-struct vmbus_channel_offer {
- uuid_le if_type;
- uuid_le if_instance;
- u64 int_latency; /* in 100ns units */
- u32 if_revision;
- u32 server_ctx_size; /* in bytes */
- u16 chn_flags;
- u16 mmio_megabytes; /* in bytes * 1024 * 1024 */
-
- union {
- /* Non-pipes: The user has MAX_USER_DEFINED_BYTES bytes. */
- struct {
- unsigned char user_def[MAX_USER_DEFINED_BYTES];
- } std;
-
- /*
- * Pipes:
- * The following sructure is an integrated pipe protocol, which
- * is implemented on top of standard user-defined data. Pipe
- * clients have MAX_PIPE_USER_DEFINED_BYTES left for their own
- * use.
- */
- struct {
- u32 pipe_mode;
- unsigned char user_def[MAX_PIPE_USER_DEFINED_BYTES];
- } pipe;
- } u;
- u32 padding;
-} __packed;
-
-/* Server Flags */
-#define VMBUS_CHANNEL_ENUMERATE_DEVICE_INTERFACE 1
-#define VMBUS_CHANNEL_SERVER_SUPPORTS_TRANSFER_PAGES 2
-#define VMBUS_CHANNEL_SERVER_SUPPORTS_GPADLS 4
-#define VMBUS_CHANNEL_NAMED_PIPE_MODE 0x10
-#define VMBUS_CHANNEL_LOOPBACK_OFFER 0x100
-#define VMBUS_CHANNEL_PARENT_OFFER 0x200
-#define VMBUS_CHANNEL_REQUEST_MONITORED_NOTIFICATION 0x400
-
-struct vmpacket_descriptor {
- u16 type;
- u16 offset8;
- u16 len8;
- u16 flags;
- u64 trans_id;
-} __packed;
-
-struct vmpacket_header {
- u32 prev_pkt_start_offset;
- struct vmpacket_descriptor descriptor;
-} __packed;
-
-struct vmtransfer_page_range {
- u32 byte_count;
- u32 byte_offset;
-} __packed;
-
-struct vmtransfer_page_packet_header {
- struct vmpacket_descriptor d;
- u16 xfer_pageset_id;
- bool sender_owns_set;
- u8 reserved;
- u32 range_cnt;
- struct vmtransfer_page_range ranges[1];
-} __packed;
-
-struct vmgpadl_packet_header {
- struct vmpacket_descriptor d;
- u32 gpadl;
- u32 reserved;
-} __packed;
-
-struct vmadd_remove_transfer_page_set {
- struct vmpacket_descriptor d;
- u32 gpadl;
- u16 xfer_pageset_id;
- u16 reserved;
-} __packed;
-
-/*
- * This structure defines a range in guest physical space that can be made to
- * look virtually contiguous.
- */
-struct gpa_range {
- u32 byte_count;
- u32 byte_offset;
- u64 pfn_array[0];
-};
-
-/*
- * This is the format for an Establish Gpadl packet, which contains a handle by
- * which this GPADL will be known and a set of GPA ranges associated with it.
- * This can be converted to a MDL by the guest OS. If there are multiple GPA
- * ranges, then the resulting MDL will be "chained," representing multiple VA
- * ranges.
- */
-struct vmestablish_gpadl {
- struct vmpacket_descriptor d;
- u32 gpadl;
- u32 range_cnt;
- struct gpa_range range[1];
-} __packed;
-
-/*
- * This is the format for a Teardown Gpadl packet, which indicates that the
- * GPADL handle in the Establish Gpadl packet will never be referenced again.
- */
-struct vmteardown_gpadl {
- struct vmpacket_descriptor d;
- u32 gpadl;
- u32 reserved; /* for alignment to a 8-byte boundary */
-} __packed;
-
-/*
- * This is the format for a GPA-Direct packet, which contains a set of GPA
- * ranges, in addition to commands and/or data.
- */
-struct vmdata_gpa_direct {
- struct vmpacket_descriptor d;
- u32 reserved;
- u32 range_cnt;
- struct gpa_range range[1];
-} __packed;
-
-/* This is the format for a Additional Data Packet. */
-struct vmadditional_data {
- struct vmpacket_descriptor d;
- u64 total_bytes;
- u32 offset;
- u32 byte_cnt;
- unsigned char data[1];
-} __packed;
-
-union vmpacket_largest_possible_header {
- struct vmpacket_descriptor simple_hdr;
- struct vmtransfer_page_packet_header xfer_page_hdr;
- struct vmgpadl_packet_header gpadl_hdr;
- struct vmadd_remove_transfer_page_set add_rm_xfer_page_hdr;
- struct vmestablish_gpadl establish_gpadl_hdr;
- struct vmteardown_gpadl teardown_gpadl_hdr;
- struct vmdata_gpa_direct data_gpa_direct_hdr;
-};
-
-#define VMPACKET_DATA_START_ADDRESS(__packet) \
- (void *)(((unsigned char *)__packet) + \
- ((struct vmpacket_descriptor)__packet)->offset8 * 8)
-
-#define VMPACKET_DATA_LENGTH(__packet) \
- ((((struct vmpacket_descriptor)__packet)->len8 - \
- ((struct vmpacket_descriptor)__packet)->offset8) * 8)
-
-#define VMPACKET_TRANSFER_MODE(__packet) \
- (((struct IMPACT)__packet)->type)
-
-enum vmbus_packet_type {
- VM_PKT_INVALID = 0x0,
- VM_PKT_SYNCH = 0x1,
- VM_PKT_ADD_XFER_PAGESET = 0x2,
- VM_PKT_RM_XFER_PAGESET = 0x3,
- VM_PKT_ESTABLISH_GPADL = 0x4,
- VM_PKT_TEARDOWN_GPADL = 0x5,
- VM_PKT_DATA_INBAND = 0x6,
- VM_PKT_DATA_USING_XFER_PAGES = 0x7,
- VM_PKT_DATA_USING_GPADL = 0x8,
- VM_PKT_DATA_USING_GPA_DIRECT = 0x9,
- VM_PKT_CANCEL_REQUEST = 0xa,
- VM_PKT_COMP = 0xb,
- VM_PKT_DATA_USING_ADDITIONAL_PKT = 0xc,
- VM_PKT_ADDITIONAL_DATA = 0xd
-};
-
-#define VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED 1
-
-
-/* Version 1 messages */
-enum vmbus_channel_message_type {
- CHANNELMSG_INVALID = 0,
- CHANNELMSG_OFFERCHANNEL = 1,
- CHANNELMSG_RESCIND_CHANNELOFFER = 2,
- CHANNELMSG_REQUESTOFFERS = 3,
- CHANNELMSG_ALLOFFERS_DELIVERED = 4,
- CHANNELMSG_OPENCHANNEL = 5,
- CHANNELMSG_OPENCHANNEL_RESULT = 6,
- CHANNELMSG_CLOSECHANNEL = 7,
- CHANNELMSG_GPADL_HEADER = 8,
- CHANNELMSG_GPADL_BODY = 9,
- CHANNELMSG_GPADL_CREATED = 10,
- CHANNELMSG_GPADL_TEARDOWN = 11,
- CHANNELMSG_GPADL_TORNDOWN = 12,
- CHANNELMSG_RELID_RELEASED = 13,
- CHANNELMSG_INITIATE_CONTACT = 14,
- CHANNELMSG_VERSION_RESPONSE = 15,
- CHANNELMSG_UNLOAD = 16,
-#ifdef VMBUS_FEATURE_PARENT_OR_PEER_MEMORY_MAPPED_INTO_A_CHILD
- CHANNELMSG_VIEWRANGE_ADD = 17,
- CHANNELMSG_VIEWRANGE_REMOVE = 18,
-#endif
- CHANNELMSG_COUNT
-};
-
-struct vmbus_channel_message_header {
- enum vmbus_channel_message_type msgtype;
- u32 padding;
-} __packed;
-
-/* Query VMBus Version parameters */
-struct vmbus_channel_query_vmbus_version {
- struct vmbus_channel_message_header header;
- u32 version;
-} __packed;
-
-/* VMBus Version Supported parameters */
-struct vmbus_channel_version_supported {
- struct vmbus_channel_message_header header;
- bool version_supported;
-} __packed;
-
-/* Offer Channel parameters */
-struct vmbus_channel_offer_channel {
- struct vmbus_channel_message_header header;
- struct vmbus_channel_offer offer;
- u32 child_relid;
- u8 monitorid;
- bool monitor_allocated;
-} __packed;
-
-/* Rescind Offer parameters */
-struct vmbus_channel_rescind_offer {
- struct vmbus_channel_message_header header;
- u32 child_relid;
-} __packed;
-
-/*
- * Request Offer -- no parameters, SynIC message contains the partition ID
- * Set Snoop -- no parameters, SynIC message contains the partition ID
- * Clear Snoop -- no parameters, SynIC message contains the partition ID
- * All Offers Delivered -- no parameters, SynIC message contains the partition
- * ID
- * Flush Client -- no parameters, SynIC message contains the partition ID
- */
-
-/* Open Channel parameters */
-struct vmbus_channel_open_channel {
- struct vmbus_channel_message_header header;
-
- /* Identifies the specific VMBus channel that is being opened. */
- u32 child_relid;
-
- /* ID making a particular open request at a channel offer unique. */
- u32 openid;
-
- /* GPADL for the channel's ring buffer. */
- u32 ringbuffer_gpadlhandle;
-
- /* GPADL for the channel's server context save area. */
- u32 server_contextarea_gpadlhandle;
-
- /*
- * The upstream ring buffer begins at offset zero in the memory
- * described by RingBufferGpadlHandle. The downstream ring buffer
- * follows it at this offset (in pages).
- */
- u32 downstream_ringbuffer_pageoffset;
-
- /* User-specific data to be passed along to the server endpoint. */
- unsigned char userdata[MAX_USER_DEFINED_BYTES];
-} __packed;
-
-/* Open Channel Result parameters */
-struct vmbus_channel_open_result {
- struct vmbus_channel_message_header header;
- u32 child_relid;
- u32 openid;
- u32 status;
-} __packed;
-
-/* Close channel parameters; */
-struct vmbus_channel_close_channel {
- struct vmbus_channel_message_header header;
- u32 child_relid;
-} __packed;
-
-/* Channel Message GPADL */
-#define GPADL_TYPE_RING_BUFFER 1
-#define GPADL_TYPE_SERVER_SAVE_AREA 2
-#define GPADL_TYPE_TRANSACTION 8
-
-/*
- * The number of PFNs in a GPADL message is defined by the number of
- * pages that would be spanned by ByteCount and ByteOffset. If the
- * implied number of PFNs won't fit in this packet, there will be a
- * follow-up packet that contains more.
- */
-struct vmbus_channel_gpadl_header {
- struct vmbus_channel_message_header header;
- u32 child_relid;
- u32 gpadl;
- u16 range_buflen;
- u16 rangecount;
- struct gpa_range range[0];
-} __packed;
-
-/* This is the followup packet that contains more PFNs. */
-struct vmbus_channel_gpadl_body {
- struct vmbus_channel_message_header header;
- u32 msgnumber;
- u32 gpadl;
- u64 pfn[0];
-} __packed;
-
-struct vmbus_channel_gpadl_created {
- struct vmbus_channel_message_header header;
- u32 child_relid;
- u32 gpadl;
- u32 creation_status;
-} __packed;
-
-struct vmbus_channel_gpadl_teardown {
- struct vmbus_channel_message_header header;
- u32 child_relid;
- u32 gpadl;
-} __packed;
-
-struct vmbus_channel_gpadl_torndown {
- struct vmbus_channel_message_header header;
- u32 gpadl;
-} __packed;
-
-#ifdef VMBUS_FEATURE_PARENT_OR_PEER_MEMORY_MAPPED_INTO_A_CHILD
-struct vmbus_channel_view_range_add {
- struct vmbus_channel_message_header header;
- PHYSICAL_ADDRESS viewrange_base;
- u64 viewrange_length;
- u32 child_relid;
-} __packed;
-
-struct vmbus_channel_view_range_remove {
- struct vmbus_channel_message_header header;
- PHYSICAL_ADDRESS viewrange_base;
- u32 child_relid;
-} __packed;
-#endif
-
-struct vmbus_channel_relid_released {
- struct vmbus_channel_message_header header;
- u32 child_relid;
-} __packed;
-
-struct vmbus_channel_initiate_contact {
- struct vmbus_channel_message_header header;
- u32 vmbus_version_requested;
- u32 padding2;
- u64 interrupt_page;
- u64 monitor_page1;
- u64 monitor_page2;
-} __packed;
-
-struct vmbus_channel_version_response {
- struct vmbus_channel_message_header header;
- bool version_supported;
-} __packed;
-
-enum vmbus_channel_state {
- CHANNEL_OFFER_STATE,
- CHANNEL_OPENING_STATE,
- CHANNEL_OPEN_STATE,
-};
-
-struct vmbus_channel_debug_info {
- u32 relid;
- enum vmbus_channel_state state;
- uuid_le interfacetype;
- uuid_le interface_instance;
- u32 monitorid;
- u32 servermonitor_pending;
- u32 servermonitor_latency;
- u32 servermonitor_connectionid;
- u32 clientmonitor_pending;
- u32 clientmonitor_latency;
- u32 clientmonitor_connectionid;
-
- struct hv_ring_buffer_debug_info inbound;
- struct hv_ring_buffer_debug_info outbound;
-};
-
-/*
- * Represents each channel msg on the vmbus connection This is a
- * variable-size data structure depending on the msg type itself
- */
-struct vmbus_channel_msginfo {
- /* Bookkeeping stuff */
- struct list_head msglistentry;
-
- /* So far, this is only used to handle gpadl body message */
- struct list_head submsglist;
-
- /* Synchronize the request/response if needed */
- struct completion waitevent;
- union {
- struct vmbus_channel_version_supported version_supported;
- struct vmbus_channel_open_result open_result;
- struct vmbus_channel_gpadl_torndown gpadl_torndown;
- struct vmbus_channel_gpadl_created gpadl_created;
- struct vmbus_channel_version_response version_response;
- } response;
-
- u32 msgsize;
- /*
- * The channel message that goes out on the "wire".
- * It will contain at minimum the VMBUS_CHANNEL_MESSAGE_HEADER header
- */
- unsigned char msg[0];
-};
-
-struct vmbus_close_msg {
- struct vmbus_channel_msginfo info;
- struct vmbus_channel_close_channel msg;
-};
-
-struct vmbus_channel {
- struct list_head listentry;
-
- struct hv_device *device_obj;
-
- struct work_struct work;
-
- enum vmbus_channel_state state;
-
- struct vmbus_channel_offer_channel offermsg;
- /*
- * These are based on the OfferMsg.MonitorId.
- * Save it here for easy access.
- */
- u8 monitor_grp;
- u8 monitor_bit;
-
- u32 ringbuffer_gpadlhandle;
-
- /* Allocated memory for ring buffer */
- void *ringbuffer_pages;
- u32 ringbuffer_pagecount;
- struct hv_ring_buffer_info outbound; /* send to parent */
- struct hv_ring_buffer_info inbound; /* receive from parent */
- spinlock_t inbound_lock;
- struct workqueue_struct *controlwq;
-
- struct vmbus_close_msg close_msg;
-
- /* Channel callback are invoked in this workqueue context */
- /* HANDLE dataWorkQueue; */
-
- void (*onchannel_callback)(void *context);
- void *channel_callback_context;
-};
-
-void free_channel(struct vmbus_channel *channel);
-
-void vmbus_onmessage(void *context);
-
-int vmbus_request_offers(void);
-
-/* The format must be the same as struct vmdata_gpa_direct */
-struct vmbus_channel_packet_page_buffer {
- u16 type;
- u16 dataoffset8;
- u16 length8;
- u16 flags;
- u64 transactionid;
- u32 reserved;
- u32 rangecount;
- struct hv_page_buffer range[MAX_PAGE_BUFFER_COUNT];
-} __packed;
-
-/* The format must be the same as struct vmdata_gpa_direct */
-struct vmbus_channel_packet_multipage_buffer {
- u16 type;
- u16 dataoffset8;
- u16 length8;
- u16 flags;
- u64 transactionid;
- u32 reserved;
- u32 rangecount; /* Always 1 in this case */
- struct hv_multipage_buffer range;
-} __packed;
-
-
-extern int vmbus_open(struct vmbus_channel *channel,
- u32 send_ringbuffersize,
- u32 recv_ringbuffersize,
- void *userdata,
- u32 userdatalen,
- void(*onchannel_callback)(void *context),
- void *context);
-
-extern void vmbus_close(struct vmbus_channel *channel);
-
-extern int vmbus_sendpacket(struct vmbus_channel *channel,
- const void *buffer,
- u32 bufferLen,
- u64 requestid,
- enum vmbus_packet_type type,
- u32 flags);
-
-extern int vmbus_sendpacket_pagebuffer(struct vmbus_channel *channel,
- struct hv_page_buffer pagebuffers[],
- u32 pagecount,
- void *buffer,
- u32 bufferlen,
- u64 requestid);
-
-extern int vmbus_sendpacket_multipagebuffer(struct vmbus_channel *channel,
- struct hv_multipage_buffer *mpb,
- void *buffer,
- u32 bufferlen,
- u64 requestid);
-
-extern int vmbus_establish_gpadl(struct vmbus_channel *channel,
- void *kbuffer,
- u32 size,
- u32 *gpadl_handle);
-
-extern int vmbus_teardown_gpadl(struct vmbus_channel *channel,
- u32 gpadl_handle);
-
-extern int vmbus_recvpacket(struct vmbus_channel *channel,
- void *buffer,
- u32 bufferlen,
- u32 *buffer_actual_len,
- u64 *requestid);
-
-extern int vmbus_recvpacket_raw(struct vmbus_channel *channel,
- void *buffer,
- u32 bufferlen,
- u32 *buffer_actual_len,
- u64 *requestid);
-
-
-extern void vmbus_get_debug_info(struct vmbus_channel *channel,
- struct vmbus_channel_debug_info *debug);
-
-extern void vmbus_ontimer(unsigned long data);
-
-
-#define LOWORD(dw) ((unsigned short)(dw))
-#define HIWORD(dw) ((unsigned short)(((unsigned int) (dw) >> 16) & 0xFFFF))
-
-
-#define VMBUS 0x0001
-#define STORVSC 0x0002
-#define NETVSC 0x0004
-#define INPUTVSC 0x0008
-#define BLKVSC 0x0010
-#define VMBUS_DRV 0x0100
-#define STORVSC_DRV 0x0200
-#define NETVSC_DRV 0x0400
-#define INPUTVSC_DRV 0x0800
-#define BLKVSC_DRV 0x1000
-
-#define ALL_MODULES (VMBUS |\
- STORVSC |\
- NETVSC |\
- INPUTVSC |\
- BLKVSC |\
- VMBUS_DRV |\
- STORVSC_DRV |\
- NETVSC_DRV |\
- INPUTVSC_DRV|\
- BLKVSC_DRV)
-
-/* Logging Level */
-#define ERROR_LVL 3
-#define WARNING_LVL 4
-#define INFO_LVL 6
-#define DEBUG_LVL 7
-#define DEBUG_LVL_ENTEREXIT 8
-#define DEBUG_RING_LVL 9
-
-extern unsigned int vmbus_loglevel;
-
-#define DPRINT(mod, lvl, fmt, args...) do {\
- if ((mod & (HIWORD(vmbus_loglevel))) && \
- (lvl <= LOWORD(vmbus_loglevel))) \
- printk(KERN_DEBUG #mod": %s() " fmt "\n", __func__, ## args);\
- } while (0)
-
-#define DPRINT_DBG(mod, fmt, args...) do {\
- if ((mod & (HIWORD(vmbus_loglevel))) && \
- (DEBUG_LVL <= LOWORD(vmbus_loglevel))) \
- printk(KERN_DEBUG #mod": %s() " fmt "\n", __func__, ## args);\
- } while (0)
-
-#define DPRINT_INFO(mod, fmt, args...) do {\
- if ((mod & (HIWORD(vmbus_loglevel))) && \
- (INFO_LVL <= LOWORD(vmbus_loglevel))) \
- printk(KERN_INFO #mod": " fmt "\n", ## args);\
- } while (0)
-
-#define DPRINT_WARN(mod, fmt, args...) do {\
- if ((mod & (HIWORD(vmbus_loglevel))) && \
- (WARNING_LVL <= LOWORD(vmbus_loglevel))) \
- printk(KERN_WARNING #mod": WARNING! " fmt "\n", ## args);\
- } while (0)
-
-#define DPRINT_ERR(mod, fmt, args...) do {\
- if ((mod & (HIWORD(vmbus_loglevel))) && \
- (ERROR_LVL <= LOWORD(vmbus_loglevel))) \
- printk(KERN_ERR #mod": %s() ERROR!! " fmt "\n", \
- __func__, ## args);\
- } while (0)
-
-
-
-struct hv_driver;
-struct hv_device;
-
-struct hv_dev_port_info {
- u32 int_mask;
- u32 read_idx;
- u32 write_idx;
- u32 bytes_avail_toread;
- u32 bytes_avail_towrite;
-};
-
-struct hv_device_info {
- u32 chn_id;
- u32 chn_state;
- uuid_le chn_type;
- uuid_le chn_instance;
-
- u32 monitor_id;
- u32 server_monitor_pending;
- u32 server_monitor_latency;
- u32 server_monitor_conn_id;
- u32 client_monitor_pending;
- u32 client_monitor_latency;
- u32 client_monitor_conn_id;
-
- struct hv_dev_port_info inbound;
- struct hv_dev_port_info outbound;
-};
-
-/* Base driver object */
-struct hv_driver {
- const char *name;
-
- /* the device type supported by this driver */
- uuid_le dev_type;
- const struct hv_vmbus_device_id *id_table;
-
- struct device_driver driver;
-
- int (*probe)(struct hv_device *, const struct hv_vmbus_device_id *);
- int (*remove)(struct hv_device *);
- void (*shutdown)(struct hv_device *);
-
-};
-
-/* Base device object */
-struct hv_device {
- /* the device type id of this device */
- uuid_le dev_type;
-
- /* the device instance id of this device */
- uuid_le dev_instance;
-
- struct device device;
-
- struct vmbus_channel *channel;
-};
-
-
-static inline struct hv_device *device_to_hv_device(struct device *d)
-{
- return container_of(d, struct hv_device, device);
-}
-
-static inline struct hv_driver *drv_to_hv_drv(struct device_driver *d)
-{
- return container_of(d, struct hv_driver, driver);
-}
-
-static inline void hv_set_drvdata(struct hv_device *dev, void *data)
-{
- dev_set_drvdata(&dev->device, data);
-}
-
-static inline void *hv_get_drvdata(struct hv_device *dev)
-{
- return dev_get_drvdata(&dev->device);
-}
-
-/* Vmbus interface */
-#define vmbus_driver_register(driver) \
- __vmbus_driver_register(driver, THIS_MODULE, KBUILD_MODNAME)
-int __must_check __vmbus_driver_register(struct hv_driver *hv_driver,
- struct module *owner,
- const char *mod_name);
-void vmbus_driver_unregister(struct hv_driver *hv_driver);
-
-/**
- * VMBUS_DEVICE - macro used to describe a specific hyperv vmbus device
- *
- * This macro is used to create a struct hv_vmbus_device_id that matches a
- * specific device.
- */
-#define VMBUS_DEVICE(g0, g1, g2, g3, g4, g5, g6, g7, \
- g8, g9, ga, gb, gc, gd, ge, gf) \
- .guid = { g0, g1, g2, g3, g4, g5, g6, g7, \
- g8, g9, ga, gb, gc, gd, ge, gf },
-
-/*
- * Common header for Hyper-V ICs
- */
-
-#define ICMSGTYPE_NEGOTIATE 0
-#define ICMSGTYPE_HEARTBEAT 1
-#define ICMSGTYPE_KVPEXCHANGE 2
-#define ICMSGTYPE_SHUTDOWN 3
-#define ICMSGTYPE_TIMESYNC 4
-#define ICMSGTYPE_VSS 5
-
-#define ICMSGHDRFLAG_TRANSACTION 1
-#define ICMSGHDRFLAG_REQUEST 2
-#define ICMSGHDRFLAG_RESPONSE 4
-
-#define HV_S_OK 0x00000000
-#define HV_E_FAIL 0x80004005
-#define HV_ERROR_NOT_SUPPORTED 0x80070032
-#define HV_ERROR_MACHINE_LOCKED 0x800704F7
-
-/*
- * While we want to handle util services as regular devices,
- * there is only one instance of each of these services; so
- * we statically allocate the service specific state.
- */
-
-struct hv_util_service {
- u8 *recv_buffer;
- void (*util_cb)(void *);
- int (*util_init)(struct hv_util_service *);
- void (*util_deinit)(void);
-};
-
-struct vmbuspipe_hdr {
- u32 flags;
- u32 msgsize;
-} __packed;
-
-struct ic_version {
- u16 major;
- u16 minor;
-} __packed;
-
-struct icmsg_hdr {
- struct ic_version icverframe;
- u16 icmsgtype;
- struct ic_version icvermsg;
- u16 icmsgsize;
- u32 status;
- u8 ictransaction_id;
- u8 icflags;
- u8 reserved[2];
-} __packed;
-
-struct icmsg_negotiate {
- u16 icframe_vercnt;
- u16 icmsg_vercnt;
- u32 reserved;
- struct ic_version icversion_data[1]; /* any size array */
-} __packed;
-
-struct shutdown_msg_data {
- u32 reason_code;
- u32 timeout_seconds;
- u32 flags;
- u8 display_message[2048];
-} __packed;
-
-struct heartbeat_msg_data {
- u64 seq_num;
- u32 reserved[8];
-} __packed;
-
-/* Time Sync IC defs */
-#define ICTIMESYNCFLAG_PROBE 0
-#define ICTIMESYNCFLAG_SYNC 1
-#define ICTIMESYNCFLAG_SAMPLE 2
-
-#ifdef __x86_64__
-#define WLTIMEDELTA 116444736000000000L /* in 100ns unit */
-#else
-#define WLTIMEDELTA 116444736000000000LL
-#endif
-
-struct ictimesync_data {
- u64 parenttime;
- u64 childtime;
- u64 roundtriptime;
- u8 flags;
-} __packed;
-
-struct hyperv_service_callback {
- u8 msg_type;
- char *log_msg;
- uuid_le data;
- struct vmbus_channel *channel;
- void (*callback) (void *context);
-};
-
-extern void prep_negotiate_resp(struct icmsg_hdr *,
- struct icmsg_negotiate *, u8 *);
-
-#endif /* _HYPERV_H */
generated by cgit v1.2.3 (git 2.0.4) at 2024-07-18 00:59:46 +0000