123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123 |
- /*
- * 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 */
|