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