Staging: hv: vmbus_drv: Move the contents of vmbus_private.h to vmbus…

…_hyperv.h

Move the contents of vmbus_private.h to vmbus_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>

drivers/staging/hv/channel.c

@@ -29,7 +29,6 @@
 
 #include "hyperv.h"
 #include "hyperv_vmbus.h"
-#include "vmbus_private.h"
 
 #define NUM_PAGES_SPANNED(addr, len) \
 ((PAGE_ALIGN(addr + len) >> PAGE_SHIFT) - (addr >> PAGE_SHIFT))

drivers/staging/hv/channel_mgmt.c

@@ -31,7 +31,6 @@
 
 #include "hyperv.h"
 #include "hyperv_vmbus.h"
-#include "vmbus_private.h"
 
 struct vmbus_channel_message_table_entry {
 	enum vmbus_channel_message_type message_type;

drivers/staging/hv/connection.c

@@ -31,7 +31,6 @@
 
 #include "hyperv.h"
 #include "hyperv_vmbus.h"
-#include "vmbus_private.h"
 
 
 struct vmbus_connection vmbus_connection = {

drivers/staging/hv/hv.c

@@ -28,7 +28,6 @@
 
 #include "hyperv.h"
 #include "hyperv_vmbus.h"
-#include "vmbus_private.h"
 
 /* The one and only */
 struct hv_context hv_context = {

drivers/staging/hv/hv_kvp.c

@@ -28,7 +28,6 @@
 #include <linux/workqueue.h>
 
 #include "hyperv.h"
-#include "vmbus_private.h"
 #include "hv_kvp.h"
 
 

drivers/staging/hv/hv_util.c

@@ -30,7 +30,6 @@
 #include <linux/pci.h>
 
 #include "hyperv.h"
-#include "vmbus_private.h"
 #include "hv_kvp.h"
 
 static u8 *shut_txf_buf;

drivers/staging/hv/hyperv_vmbus.h

@@ -529,4 +529,102 @@ void hv_dump_ring_info(struct hv_ring_buffer_info *ring_info, char *prefix);
 void hv_ringbuffer_get_debuginfo(struct hv_ring_buffer_info *ring_info,
 			    struct hv_ring_buffer_debug_info *debug_info);
 
+#include "hyperv.h"
+#include <linux/list.h>
+#include <asm/sync_bitops.h>
+
+
+/*
+ * Maximum channels is determined by the size of the interrupt page
+ * which is PAGE_SIZE. 1/2 of PAGE_SIZE is for send endpoint interrupt
+ * and the other is receive endpoint interrupt
+ */
+#define MAX_NUM_CHANNELS	((PAGE_SIZE >> 1) << 3)	/* 16348 channels */
+
+/* The value here must be in multiple of 32 */
+/* TODO: Need to make this configurable */
+#define MAX_NUM_CHANNELS_SUPPORTED	256
+
+
+enum vmbus_connect_state {
+	DISCONNECTED,
+	CONNECTING,
+	CONNECTED,
+	DISCONNECTING
+};
+
+#define MAX_SIZE_CHANNEL_MESSAGE	HV_MESSAGE_PAYLOAD_BYTE_COUNT
+
+struct vmbus_connection {
+	enum vmbus_connect_state conn_state;
+
+	atomic_t next_gpadl_handle;
+
+	/*
+	 * Represents channel interrupts. Each bit position represents a
+	 * channel.  When a channel sends an interrupt via VMBUS, it finds its
+	 * bit in the sendInterruptPage, set it and calls Hv to generate a port
+	 * event. The other end receives the port event and parse the
+	 * recvInterruptPage to see which bit is set
+	 */
+	void *int_page;
+	void *send_int_page;
+	void *recv_int_page;
+
+	/*
+	 * 2 pages - 1st page for parent->child notification and 2nd
+	 * is child->parent notification
+	 */
+	void *monitor_pages;
+	struct list_head chn_msg_list;
+	spinlock_t channelmsg_lock;
+
+	/* List of channels */
+	struct list_head chn_list;
+	spinlock_t channel_lock;
+
+	struct workqueue_struct *work_queue;
+};
+
+
+struct vmbus_msginfo {
+	/* Bookkeeping stuff */
+	struct list_head msglist_entry;
+
+	/* The message itself */
+	unsigned char msg[0];
+};
+
+
+extern struct vmbus_connection vmbus_connection;
+
+/* General vmbus interface */
+
+struct hv_device *vmbus_child_device_create(struct hv_guid *type,
+					 struct hv_guid *instance,
+					 struct vmbus_channel *channel);
+
+int vmbus_child_device_register(struct hv_device *child_device_obj);
+void vmbus_child_device_unregister(struct hv_device *device_obj);
+
+/* static void */
+/* VmbusChildDeviceDestroy( */
+/* struct hv_device *); */
+
+struct vmbus_channel *relid2channel(u32 relid);
+
+
+/* Connection interface */
+
+int vmbus_connect(void);
+
+int vmbus_disconnect(void);
+
+int vmbus_post_msg(void *buffer, size_t buflen);
+
+int vmbus_set_event(u32 child_relid);
+
+void vmbus_on_event(unsigned long data);
+
+
 #endif /* _HYPERV_VMBUS_H */

drivers/staging/hv/vmbus_drv.c

@@ -37,7 +37,6 @@
 
 #include "hyperv.h"
 #include "hyperv_vmbus.h"
-#include "vmbus_private.h"
 
 
 static struct pci_dev *hv_pci_dev;