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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586/* SPDX-License-Identifier: GPL-2.0 *//* * Greybus Host Device * * Copyright 2014-2015 Google Inc. * Copyright 2014-2015 Linaro Ltd. */
#ifndef __HD_H#define __HD_H
#include <linux/types.h>#include <linux/device.h>
struct gb_host_device;struct gb_message;
struct gb_hd_driver { size_t hd_priv_size;
int (*cport_allocate)(struct gb_host_device *hd, int cport_id, unsigned long flags); void (*cport_release)(struct gb_host_device *hd, u16 cport_id); int (*cport_enable)(struct gb_host_device *hd, u16 cport_id, unsigned long flags); int (*cport_disable)(struct gb_host_device *hd, u16 cport_id); int (*cport_connected)(struct gb_host_device *hd, u16 cport_id); int (*cport_flush)(struct gb_host_device *hd, u16 cport_id); int (*cport_shutdown)(struct gb_host_device *hd, u16 cport_id, u8 phase, unsigned int timeout); int (*cport_quiesce)(struct gb_host_device *hd, u16 cport_id, size_t peer_space, unsigned int timeout); int (*cport_clear)(struct gb_host_device *hd, u16 cport_id);
int (*message_send)(struct gb_host_device *hd, u16 dest_cport_id, struct gb_message *message, gfp_t gfp_mask); void (*message_cancel)(struct gb_message *message); int (*latency_tag_enable)(struct gb_host_device *hd, u16 cport_id); int (*latency_tag_disable)(struct gb_host_device *hd, u16 cport_id); int (*output)(struct gb_host_device *hd, void *req, u16 size, u8 cmd, bool async);};
struct gb_host_device { struct device dev; int bus_id; const struct gb_hd_driver *driver;
struct list_head modules; struct list_head connections; struct ida cport_id_map;
/* Number of CPorts supported by the UniPro IP */ size_t num_cports;
/* Host device buffer constraints */ size_t buffer_size_max;
struct gb_svc *svc; /* Private data for the host driver */ unsigned long hd_priv[] __aligned(sizeof(s64));};#define to_gb_host_device(d) container_of(d, struct gb_host_device, dev)
int gb_hd_cport_reserve(struct gb_host_device *hd, u16 cport_id);void gb_hd_cport_release_reserved(struct gb_host_device *hd, u16 cport_id);int gb_hd_cport_allocate(struct gb_host_device *hd, int cport_id, unsigned long flags);void gb_hd_cport_release(struct gb_host_device *hd, u16 cport_id);
struct gb_host_device *gb_hd_create(struct gb_hd_driver *driver, struct device *parent, size_t buffer_size_max, size_t num_cports);int gb_hd_add(struct gb_host_device *hd);void gb_hd_del(struct gb_host_device *hd);void gb_hd_shutdown(struct gb_host_device *hd);void gb_hd_put(struct gb_host_device *hd);int gb_hd_output(struct gb_host_device *hd, void *req, u16 size, u8 cmd, bool in_irq);
int gb_hd_init(void);void gb_hd_exit(void);
#endif /* __HD_H */