cregit-Linux how code gets into the kernel

Release 4.10 drivers/remoteproc/remoteproc_internal.h

/*
 * Remote processor framework
 *
 * Copyright (C) 2011 Texas Instruments, Inc.
 * Copyright (C) 2011 Google, Inc.
 *
 * Ohad Ben-Cohen <ohad@wizery.com>
 * Brian Swetland <swetland@google.com>
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that 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.
 */

#ifndef REMOTEPROC_INTERNAL_H

#define REMOTEPROC_INTERNAL_H

#include <linux/irqreturn.h>
#include <linux/firmware.h>

struct rproc;

/**
 * struct rproc_fw_ops - firmware format specific operations.
 * @find_rsc_table:     find the resource table inside the firmware image
 * @find_loaded_rsc_table: find the loaded resouce table
 * @load:               load firmeware to memory, where the remote processor
 *                      expects to find it
 * @sanity_check:       sanity check the fw image
 * @get_boot_addr:      get boot address to entry point specified in firmware
 */

struct rproc_fw_ops {
	
struct resource_table *(*find_rsc_table)(struct rproc *rproc,
						 const struct firmware *fw,
						 int *tablesz);
	
struct resource_table *(*find_loaded_rsc_table)(
				struct rproc *rproc, const struct firmware *fw);
	
int (*load)(struct rproc *rproc, const struct firmware *fw);
	
int (*sanity_check)(struct rproc *rproc, const struct firmware *fw);
	
u32 (*get_boot_addr)(struct rproc *rproc, const struct firmware *fw);
};

/* from remoteproc_core.c */
void rproc_release(struct kref *kref);
irqreturn_t rproc_vq_interrupt(struct rproc *rproc, int vq_id);
int rproc_boot_nowait(struct rproc *rproc);
void rproc_vdev_release(struct kref *ref);

/* from remoteproc_virtio.c */
int rproc_add_virtio_dev(struct rproc_vdev *rvdev, int id);
void rproc_remove_virtio_dev(struct rproc_vdev *rvdev);

/* from remoteproc_debugfs.c */
void rproc_remove_trace_file(struct dentry *tfile);
struct dentry *rproc_create_trace_file(const char *name, struct rproc *rproc,
				       struct rproc_mem_entry *trace);
void rproc_delete_debug_dir(struct rproc *rproc);
void rproc_create_debug_dir(struct rproc *rproc);
void rproc_init_debugfs(void);
void rproc_exit_debugfs(void);

/* from remoteproc_sysfs.c */
extern struct class rproc_class;
int rproc_init_sysfs(void);
void rproc_exit_sysfs(void);

void rproc_free_vring(struct rproc_vring *rvring);
int rproc_alloc_vring(struct rproc_vdev *rvdev, int i);

void *rproc_da_to_va(struct rproc *rproc, u64 da, int len);
int rproc_trigger_recovery(struct rproc *rproc);


static inline int rproc_fw_sanity_check(struct rproc *rproc, const struct firmware *fw) { if (rproc->fw_ops->sanity_check) return rproc->fw_ops->sanity_check(rproc, fw); return 0; }

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static inline u32 rproc_get_boot_addr(struct rproc *rproc, const struct firmware *fw) { if (rproc->fw_ops->get_boot_addr) return rproc->fw_ops->get_boot_addr(rproc, fw); return 0; }

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static inline int rproc_load_segments(struct rproc *rproc, const struct firmware *fw) { if (rproc->fw_ops->load) return rproc->fw_ops->load(rproc, fw); return -EINVAL; }

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static inline struct resource_table *rproc_find_rsc_table(struct rproc *rproc, const struct firmware *fw, int *tablesz) { if (rproc->fw_ops->find_rsc_table) return rproc->fw_ops->find_rsc_table(rproc, fw, tablesz); return NULL; }

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static inline struct resource_table *rproc_find_loaded_rsc_table(struct rproc *rproc, const struct firmware *fw) { if (rproc->fw_ops->find_loaded_rsc_table) return rproc->fw_ops->find_loaded_rsc_table(rproc, fw); return NULL; }

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extern const struct rproc_fw_ops rproc_elf_fw_ops; #endif /* REMOTEPROC_INTERNAL_H */

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