Staging: hv: Move the contents of channel_mgmt.h to hyperv.h

Move the contents of channel_mgmt.h to hyperv.h.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

4 files changed, 290 insertions, 318 deletions

diff --git a/drivers/staging/hv/channel.h b/drivers/staging/hv/channel.h
index de4f867de17..4949e364781 100644
--- a/drivers/staging/hv/channel.h
+++ b/drivers/staging/hv/channel.h
@@ -25,7 +25,7 @@
 #ifndef _CHANNEL_H_
 #define _CHANNEL_H_
 
-#include "channel_mgmt.h"
+#include "hyperv.h"
 
 /* The format must be the same as struct vmdata_gpa_direct */
 struct vmbus_channel_packet_page_buffer {
diff --git a/drivers/staging/hv/channel_mgmt.h b/drivers/staging/hv/channel_mgmt.h
deleted file mode 100644
index 6405bfc8f5e..00000000000
--- a/drivers/staging/hv/channel_mgmt.h
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
- *
- * Copyright (c) 2009, 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>
- *
- */
-
-
-#ifndef _CHANNEL_MGMT_H_
-#define _CHANNEL_MGMT_H_
-
-#include <linux/list.h>
-#include <linux/timer.h>
-#include <linux/workqueue.h>
-#include <linux/completion.h>
-#include "hyperv.h"
-
-/* 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 {
-	struct list_head listentry;
-
-	struct hv_device *device_obj;
-
-	struct timer_list poll_timer; /* SA-111 workaround */
-	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;
-
-	/* Channel callback are invoked in this workqueue context */
-	/* HANDLE dataWorkQueue; */
-
-	void (*onchannel_callback)(void *context);
-	void *channel_callback_context;
-};
-
-struct vmbus_channel_debug_info {
-	u32 relid;
-	enum vmbus_channel_state state;
-	struct hv_guid interfacetype;
-	struct hv_guid 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];
-};
-
-
-void free_channel(struct vmbus_channel *channel);
-
-void vmbus_onmessage(void *context);
-
-int vmbus_request_offers(void);
-
-#endif /* _CHANNEL_MGMT_H_ */
diff --git a/drivers/staging/hv/hyperv.h b/drivers/staging/hv/hyperv.h
index 4ca22c60767..04f1b0f41b1 100644
--- a/drivers/staging/hv/hyperv.h
+++ b/drivers/staging/hv/hyperv.h
@@ -318,4 +318,293 @@ enum vmbus_packet_type {
 
 #define VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED	1
 
+
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/workqueue.h>
+#include <linux/completion.h>
+#include "hyperv.h"
+
+/* 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 {
+	struct list_head listentry;
+
+	struct hv_device *device_obj;
+
+	struct timer_list poll_timer; /* SA-111 workaround */
+	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;
+
+	/* Channel callback are invoked in this workqueue context */
+	/* HANDLE dataWorkQueue; */
+
+	void (*onchannel_callback)(void *context);
+	void *channel_callback_context;
+};
+
+struct vmbus_channel_debug_info {
+	u32 relid;
+	enum vmbus_channel_state state;
+	struct hv_guid interfacetype;
+	struct hv_guid 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];
+};
+
+
+void free_channel(struct vmbus_channel *channel);
+
+void vmbus_onmessage(void *context);
+
+int vmbus_request_offers(void);
+
 #endif /* _HYPERV_H */
diff --git a/drivers/staging/hv/vmbus_private.h b/drivers/staging/hv/vmbus_private.h
index bea331e4af9..502f45675c5 100644
--- a/drivers/staging/hv/vmbus_private.h
+++ b/drivers/staging/hv/vmbus_private.h
@@ -28,7 +28,6 @@
 #include "hv.h"
 #include "vmbus_api.h"
 #include "channel.h"
-#include "channel_mgmt.h"
 #include "ring_buffer.h"
 #include <linux/list.h>
 #include <asm/sync_bitops.h>