d653f4b191
Save major/minor number supported by the module inside connection structure, as this can be used later. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/*
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* Greybus connections
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*
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* Copyright 2014 Google Inc.
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* Copyright 2014 Linaro Ltd.
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*
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* Released under the GPLv2 only.
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*/
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#ifndef __CONNECTION_H
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#define __CONNECTION_H
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#include <linux/list.h>
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enum gb_connection_state {
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GB_CONNECTION_STATE_INVALID = 0,
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GB_CONNECTION_STATE_DISABLED = 1,
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GB_CONNECTION_STATE_ENABLED = 2,
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GB_CONNECTION_STATE_ERROR = 3,
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GB_CONNECTION_STATE_DESTROYING = 4,
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};
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struct gb_connection {
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struct greybus_host_device *hd;
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struct gb_bundle *bundle;
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struct device dev;
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u16 hd_cport_id;
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u16 intf_cport_id;
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struct list_head hd_links;
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struct list_head bundle_links;
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struct gb_protocol *protocol;
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u8 protocol_id;
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u8 major;
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u8 minor;
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u8 module_major;
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u8 module_minor;
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spinlock_t lock;
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enum gb_connection_state state;
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struct list_head operations;
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struct workqueue_struct *wq;
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atomic_t op_cycle;
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void *private;
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};
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#define to_gb_connection(d) container_of(d, struct gb_connection, dev)
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int svc_update_connection(struct gb_interface *intf,
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struct gb_connection *connection);
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struct gb_connection *gb_connection_create(struct gb_bundle *bundle,
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u16 cport_id, u8 protocol_id);
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struct gb_connection *gb_connection_create_range(struct greybus_host_device *hd,
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struct gb_bundle *bundle, struct device *parent,
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u16 cport_id, u8 protocol_id, u32 ida_start,
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u32 ida_end);
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void gb_connection_destroy(struct gb_connection *connection);
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int gb_connection_init(struct gb_connection *connection);
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void gb_connection_exit(struct gb_connection *connection);
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void gb_hd_connections_exit(struct greybus_host_device *hd);
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void greybus_data_rcvd(struct greybus_host_device *hd, u16 cport_id,
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u8 *data, size_t length);
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void gb_connection_bind_protocol(struct gb_connection *connection);
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#endif /* __CONNECTION_H */
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