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 */
+++ /dev/null
-/*
- *
- * 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 _VMBUS_PRIVATE_H_
-#define _VMBUS_PRIVATE_H_
-
-#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 /* _VMBUS_PRIVATE_H_ */
projects / linux-beck.git / commitdiff