LXR linux/drivers/remoteproc/remoteproc

   1/*
   2 * Remote processor framework
   3 *
   4 * Copyright (C) 2011 Texas Instruments, Inc.
   5 * Copyright (C) 2011 Google, Inc.
   6 *
   7 * Ohad Ben-Cohen <ohad@wizery.com>
   8 * Brian Swetland <swetland@google.com>
   9 *
  10 * This software is licensed under the terms of the GNU General Public
  11 * License version 2, as published by the Free Software Foundation, and
  12 * may be copied, distributed, and modified under those terms.
  13 *
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 * GNU General Public License for more details.
  18 */
  19
  20#ifndef REMOTEPROC_INTERNAL_H
  21#define REMOTEPROC_INTERNAL_H
  22
  23#include <linux/irqreturn.h>
  24#include <linux/firmware.h>
  25
  26struct rproc;
  27
  28/* from remoteproc_core.c */
  29void rproc_release(struct kref *kref);
  30irqreturn_t rproc_vq_interrupt(struct rproc *rproc, int vq_id);
  31void rproc_vdev_release(struct kref *ref);
  32
  33/* from remoteproc_virtio.c */
  34int rproc_add_virtio_dev(struct rproc_vdev *rvdev, int id);
  35void rproc_remove_virtio_dev(struct rproc_vdev *rvdev);
  36
  37/* from remoteproc_debugfs.c */
  38void rproc_remove_trace_file(struct dentry *tfile);
  39struct dentry *rproc_create_trace_file(const char *name, struct rproc *rproc,
  40                                       struct rproc_mem_entry *trace);
  41void rproc_delete_debug_dir(struct rproc *rproc);
  42void rproc_create_debug_dir(struct rproc *rproc);
  43void rproc_init_debugfs(void);
  44void rproc_exit_debugfs(void);
  45
  46/* from remoteproc_sysfs.c */
  47extern struct class rproc_class;
  48int rproc_init_sysfs(void);
  49void rproc_exit_sysfs(void);
  50
  51void rproc_free_vring(struct rproc_vring *rvring);
  52int rproc_alloc_vring(struct rproc_vdev *rvdev, int i);
  53
  54void *rproc_da_to_va(struct rproc *rproc, u64 da, int len);
  55int rproc_trigger_recovery(struct rproc *rproc);
  56
  57int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw);
  58u32 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
  59int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw);
  60int rproc_elf_load_rsc_table(struct rproc *rproc, const struct firmware *fw);
  61struct resource_table *rproc_elf_find_loaded_rsc_table(struct rproc *rproc,
  62                                                       const struct firmware *fw);
  63
  64static inline
  65int rproc_fw_sanity_check(struct rproc *rproc, const struct firmware *fw)
  66{
  67        if (rproc->ops->sanity_check)
  68                return rproc->ops->sanity_check(rproc, fw);
  69
  70        return 0;
  71}
  72
  73static inline
  74u32 rproc_get_boot_addr(struct rproc *rproc, const struct firmware *fw)
  75{
  76        if (rproc->ops->get_boot_addr)
  77                return rproc->ops->get_boot_addr(rproc, fw);
  78
  79        return 0;
  80}
  81
  82static inline
  83int rproc_load_segments(struct rproc *rproc, const struct firmware *fw)
  84{
  85        if (rproc->ops->load)
  86                return rproc->ops->load(rproc, fw);
  87
  88        return -EINVAL;
  89}
  90
  91static inline int rproc_parse_fw(struct rproc *rproc, const struct firmware *fw)
  92{
  93        if (rproc->ops->parse_fw)
  94                return rproc->ops->parse_fw(rproc, fw);
  95
  96        return 0;
  97}
  98
  99static inline
 100struct resource_table *rproc_find_loaded_rsc_table(struct rproc *rproc,
 101                                                   const struct firmware *fw)
 102{
 103        if (rproc->ops->find_loaded_rsc_table)
 104                return rproc->ops->find_loaded_rsc_table(rproc, fw);
 105
 106        return NULL;
 107}
 108
 109#endif /* REMOTEPROC_INTERNAL_H */
 110