linux-stable/include/linux/greybus/connection.h
Rui Miguel Silva c10bf3921e staging: greybus: add missing includes
Before moving greybus core out of staging and moving header files to
include/linux some greybus header files were missing the necessary
includes. This would trigger compilation faillures with some example
errors logged bellow for with CONFIG_KERNEL_HEADER_TEST=y.

So, add the necessary headers to compile clean before relocating the
header files.

./include/linux/greybus/hd.h:23:50: error: unknown type name 'u16'
  int (*cport_disable)(struct gb_host_device *hd, u16 cport_id); ^~~
./include/linux/greybus/greybus_protocols.h:1314:2: error: unknown type name '__u8'
  __u8 data[0];
  ^~~~
./include/linux/greybus/hd.h:24:52: error: unknown type name 'u16'
  int (*cport_connected)(struct gb_host_device *hd, u16 cport_id); ^~~
./include/linux/greybus/hd.h:25:48: error: unknown type name 'u16'
  int (*cport_flush)(struct gb_host_device *hd, u16 cport_id); ^~~
./include/linux/greybus/hd.h:26:51: error: unknown type name 'u16'
  int (*cport_shutdown)(struct gb_host_device *hd, u16 cport_id, ^~~
./include/linux/greybus/hd.h:27:5: error: unknown type name 'u8'
u8 phase, unsigned int timeout);
     ^~
./include/linux/greybus/hd.h:28:50: error: unknown type name 'u16'
  int (*cport_quiesce)(struct gb_host_device *hd, u16 cport_id, ^~~
./include/linux/greybus/hd.h:29:5: error: unknown type name 'size_t'
     size_t peer_space, unsigned int timeout);
     ^~~~~~
./include/linux/greybus/hd.h:29:5: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
./include/linux/greybus/hd.h:1:1:
+#include <stddef.h>
 /* SPDX-License-Identifier: GPL-2.0 */
./include/linux/greybus/hd.h:29:5:
     size_t peer_space, unsigned int timeout);
     ^~~~~~
./include/linux/greybus/hd.h:30:48: error: unknown type name 'u16'
  int (*cport_clear)(struct gb_host_device *hd, u16 cport_id); ^~~
./include/linux/greybus/hd.h:32:49: error: unknown type name 'u16'
  int (*message_send)(struct gb_host_device *hd, u16 dest_cport_id, ^~~
./include/linux/greybus/hd.h:33:32: error: unknown type name 'gfp_t'
struct gb_message *message, gfp_t gfp_mask); ^~~~~
./include/linux/greybus/hd.h:35:55: error: unknown type name 'u16'
  int (*latency_tag_enable)(struct gb_host_device *hd, u16 cport_id);

Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Gao Xiang <hsiangkao@aol.com>
Signed-off-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Link: https://lore.kernel.org/r/20190827155302.25704-1-rui.silva@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-27 19:03:12 +02:00

131 lines
3.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Greybus connections
*
* Copyright 2014 Google Inc.
* Copyright 2014 Linaro Ltd.
*/
#ifndef __CONNECTION_H
#define __CONNECTION_H
#include <linux/bits.h>
#include <linux/list.h>
#include <linux/kfifo.h>
#include <linux/kref.h>
#include <linux/workqueue.h>
#define GB_CONNECTION_FLAG_CSD BIT(0)
#define GB_CONNECTION_FLAG_NO_FLOWCTRL BIT(1)
#define GB_CONNECTION_FLAG_OFFLOADED BIT(2)
#define GB_CONNECTION_FLAG_CDSI1 BIT(3)
#define GB_CONNECTION_FLAG_CONTROL BIT(4)
#define GB_CONNECTION_FLAG_HIGH_PRIO BIT(5)
#define GB_CONNECTION_FLAG_CORE_MASK GB_CONNECTION_FLAG_CONTROL
enum gb_connection_state {
GB_CONNECTION_STATE_DISABLED = 0,
GB_CONNECTION_STATE_ENABLED_TX = 1,
GB_CONNECTION_STATE_ENABLED = 2,
GB_CONNECTION_STATE_DISCONNECTING = 3,
};
struct gb_operation;
typedef int (*gb_request_handler_t)(struct gb_operation *);
struct gb_connection {
struct gb_host_device *hd;
struct gb_interface *intf;
struct gb_bundle *bundle;
struct kref kref;
u16 hd_cport_id;
u16 intf_cport_id;
struct list_head hd_links;
struct list_head bundle_links;
gb_request_handler_t handler;
unsigned long flags;
struct mutex mutex;
spinlock_t lock;
enum gb_connection_state state;
struct list_head operations;
char name[16];
struct workqueue_struct *wq;
atomic_t op_cycle;
void *private;
bool mode_switch;
};
struct gb_connection *gb_connection_create_static(struct gb_host_device *hd,
u16 hd_cport_id, gb_request_handler_t handler);
struct gb_connection *gb_connection_create_control(struct gb_interface *intf);
struct gb_connection *gb_connection_create(struct gb_bundle *bundle,
u16 cport_id, gb_request_handler_t handler);
struct gb_connection *gb_connection_create_flags(struct gb_bundle *bundle,
u16 cport_id, gb_request_handler_t handler,
unsigned long flags);
struct gb_connection *gb_connection_create_offloaded(struct gb_bundle *bundle,
u16 cport_id, unsigned long flags);
void gb_connection_destroy(struct gb_connection *connection);
static inline bool gb_connection_is_static(struct gb_connection *connection)
{
return !connection->intf;
}
int gb_connection_enable(struct gb_connection *connection);
int gb_connection_enable_tx(struct gb_connection *connection);
void gb_connection_disable_rx(struct gb_connection *connection);
void gb_connection_disable(struct gb_connection *connection);
void gb_connection_disable_forced(struct gb_connection *connection);
void gb_connection_mode_switch_prepare(struct gb_connection *connection);
void gb_connection_mode_switch_complete(struct gb_connection *connection);
void greybus_data_rcvd(struct gb_host_device *hd, u16 cport_id,
u8 *data, size_t length);
void gb_connection_latency_tag_enable(struct gb_connection *connection);
void gb_connection_latency_tag_disable(struct gb_connection *connection);
static inline bool gb_connection_e2efc_enabled(struct gb_connection *connection)
{
return !(connection->flags & GB_CONNECTION_FLAG_CSD);
}
static inline bool
gb_connection_flow_control_disabled(struct gb_connection *connection)
{
return connection->flags & GB_CONNECTION_FLAG_NO_FLOWCTRL;
}
static inline bool gb_connection_is_offloaded(struct gb_connection *connection)
{
return connection->flags & GB_CONNECTION_FLAG_OFFLOADED;
}
static inline bool gb_connection_is_control(struct gb_connection *connection)
{
return connection->flags & GB_CONNECTION_FLAG_CONTROL;
}
static inline void *gb_connection_get_data(struct gb_connection *connection)
{
return connection->private;
}
static inline void gb_connection_set_data(struct gb_connection *connection,
void *data)
{
connection->private = data;
}
#endif /* __CONNECTION_H */