190 строки
4.6 KiB
C
190 строки
4.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* 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>
|
|
*/
|
|
|
|
#ifndef REMOTEPROC_INTERNAL_H
|
|
#define REMOTEPROC_INTERNAL_H
|
|
|
|
#include <linux/irqreturn.h>
|
|
#include <linux/firmware.h>
|
|
|
|
struct rproc;
|
|
|
|
struct rproc_debug_trace {
|
|
struct rproc *rproc;
|
|
struct dentry *tfile;
|
|
struct list_head node;
|
|
struct rproc_mem_entry trace_mem;
|
|
};
|
|
|
|
/* from remoteproc_core.c */
|
|
void rproc_release(struct kref *kref);
|
|
irqreturn_t rproc_vq_interrupt(struct rproc *rproc, int vq_id);
|
|
void rproc_vdev_release(struct kref *ref);
|
|
int rproc_of_parse_firmware(struct device *dev, int index,
|
|
const char **fw_name);
|
|
|
|
/* from remoteproc_virtio.c */
|
|
int rproc_add_virtio_dev(struct rproc_vdev *rvdev, int id);
|
|
int rproc_remove_virtio_dev(struct device *dev, void *data);
|
|
|
|
/* 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_debug_trace *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);
|
|
|
|
/* from remoteproc_coredump.c */
|
|
void rproc_coredump_cleanup(struct rproc *rproc);
|
|
void rproc_coredump(struct rproc *rproc);
|
|
|
|
#ifdef CONFIG_REMOTEPROC_CDEV
|
|
void rproc_init_cdev(void);
|
|
void rproc_exit_cdev(void);
|
|
int rproc_char_device_add(struct rproc *rproc);
|
|
void rproc_char_device_remove(struct rproc *rproc);
|
|
#else
|
|
static inline void rproc_init_cdev(void)
|
|
{
|
|
}
|
|
|
|
static inline void rproc_exit_cdev(void)
|
|
{
|
|
}
|
|
|
|
/*
|
|
* The character device interface is an optional feature, if it is not enabled
|
|
* the function should not return an error.
|
|
*/
|
|
static inline int rproc_char_device_add(struct rproc *rproc)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void rproc_char_device_remove(struct rproc *rproc)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
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, size_t len);
|
|
phys_addr_t rproc_va_to_pa(void *cpu_addr);
|
|
int rproc_trigger_recovery(struct rproc *rproc);
|
|
|
|
int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw);
|
|
u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
|
|
int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw);
|
|
int rproc_elf_load_rsc_table(struct rproc *rproc, const struct firmware *fw);
|
|
struct resource_table *rproc_elf_find_loaded_rsc_table(struct rproc *rproc,
|
|
const struct firmware *fw);
|
|
struct rproc_mem_entry *
|
|
rproc_find_carveout_by_name(struct rproc *rproc, const char *name, ...);
|
|
|
|
static inline int rproc_prepare_device(struct rproc *rproc)
|
|
{
|
|
if (rproc->ops->prepare)
|
|
return rproc->ops->prepare(rproc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline int rproc_unprepare_device(struct rproc *rproc)
|
|
{
|
|
if (rproc->ops->unprepare)
|
|
return rproc->ops->unprepare(rproc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline int rproc_attach_device(struct rproc *rproc)
|
|
{
|
|
if (rproc->ops->attach)
|
|
return rproc->ops->attach(rproc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline
|
|
int rproc_fw_sanity_check(struct rproc *rproc, const struct firmware *fw)
|
|
{
|
|
if (rproc->ops->sanity_check)
|
|
return rproc->ops->sanity_check(rproc, fw);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline
|
|
u64 rproc_get_boot_addr(struct rproc *rproc, const struct firmware *fw)
|
|
{
|
|
if (rproc->ops->get_boot_addr)
|
|
return rproc->ops->get_boot_addr(rproc, fw);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline
|
|
int rproc_load_segments(struct rproc *rproc, const struct firmware *fw)
|
|
{
|
|
if (rproc->ops->load)
|
|
return rproc->ops->load(rproc, fw);
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static inline int rproc_parse_fw(struct rproc *rproc, const struct firmware *fw)
|
|
{
|
|
if (rproc->ops->parse_fw)
|
|
return rproc->ops->parse_fw(rproc, fw);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline
|
|
int rproc_handle_rsc(struct rproc *rproc, u32 rsc_type, void *rsc, int offset,
|
|
int avail)
|
|
{
|
|
if (rproc->ops->handle_rsc)
|
|
return rproc->ops->handle_rsc(rproc, rsc_type, rsc, offset,
|
|
avail);
|
|
|
|
return RSC_IGNORED;
|
|
}
|
|
|
|
static inline
|
|
struct resource_table *rproc_find_loaded_rsc_table(struct rproc *rproc,
|
|
const struct firmware *fw)
|
|
{
|
|
if (rproc->ops->find_loaded_rsc_table)
|
|
return rproc->ops->find_loaded_rsc_table(rproc, fw);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static inline
|
|
bool rproc_u64_fit_in_size_t(u64 val)
|
|
{
|
|
if (sizeof(size_t) == sizeof(u64))
|
|
return true;
|
|
|
|
return (val <= (size_t) -1);
|
|
}
|
|
|
|
#endif /* REMOTEPROC_INTERNAL_H */
|