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199 lines
4.8 KiB
199 lines
4.8 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Remote processor framework |
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* |
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* Copyright (C) 2011 Texas Instruments, Inc. |
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* Copyright (C) 2011 Google, Inc. |
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* |
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* Ohad Ben-Cohen <[email protected]> |
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* Brian Swetland <[email protected]> |
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*/ |
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#ifndef REMOTEPROC_INTERNAL_H |
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#define REMOTEPROC_INTERNAL_H |
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#include <linux/irqreturn.h> |
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#include <linux/firmware.h> |
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struct rproc; |
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struct rproc_debug_trace { |
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struct rproc *rproc; |
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struct dentry *tfile; |
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struct list_head node; |
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struct rproc_mem_entry trace_mem; |
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}; |
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/* from remoteproc_core.c */ |
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void rproc_release(struct kref *kref); |
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irqreturn_t rproc_vq_interrupt(struct rproc *rproc, int vq_id); |
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void rproc_vdev_release(struct kref *ref); |
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int rproc_of_parse_firmware(struct device *dev, int index, |
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const char **fw_name); |
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/* from remoteproc_virtio.c */ |
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int rproc_add_virtio_dev(struct rproc_vdev *rvdev, int id); |
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int rproc_remove_virtio_dev(struct device *dev, void *data); |
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/* from remoteproc_debugfs.c */ |
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void rproc_remove_trace_file(struct dentry *tfile); |
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struct dentry *rproc_create_trace_file(const char *name, struct rproc *rproc, |
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struct rproc_debug_trace *trace); |
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void rproc_delete_debug_dir(struct rproc *rproc); |
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void rproc_create_debug_dir(struct rproc *rproc); |
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void rproc_init_debugfs(void); |
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void rproc_exit_debugfs(void); |
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/* from remoteproc_sysfs.c */ |
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extern struct class rproc_class; |
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int rproc_init_sysfs(void); |
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void rproc_exit_sysfs(void); |
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/* from remoteproc_coredump.c */ |
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void rproc_coredump_cleanup(struct rproc *rproc); |
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void rproc_coredump(struct rproc *rproc); |
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#ifdef CONFIG_REMOTEPROC_CDEV |
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void rproc_init_cdev(void); |
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void rproc_exit_cdev(void); |
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int rproc_char_device_add(struct rproc *rproc); |
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void rproc_char_device_remove(struct rproc *rproc); |
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#else |
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static inline void rproc_init_cdev(void) |
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{ |
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} |
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static inline void rproc_exit_cdev(void) |
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{ |
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} |
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/* |
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* The character device interface is an optional feature, if it is not enabled |
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* the function should not return an error. |
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*/ |
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static inline int rproc_char_device_add(struct rproc *rproc) |
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{ |
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return 0; |
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} |
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static inline void rproc_char_device_remove(struct rproc *rproc) |
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{ |
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} |
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#endif |
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void rproc_free_vring(struct rproc_vring *rvring); |
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int rproc_alloc_vring(struct rproc_vdev *rvdev, int i); |
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void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem); |
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phys_addr_t rproc_va_to_pa(void *cpu_addr); |
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int rproc_trigger_recovery(struct rproc *rproc); |
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int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw); |
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u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw); |
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int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw); |
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int rproc_elf_load_rsc_table(struct rproc *rproc, const struct firmware *fw); |
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struct resource_table *rproc_elf_find_loaded_rsc_table(struct rproc *rproc, |
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const struct firmware *fw); |
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struct rproc_mem_entry * |
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rproc_find_carveout_by_name(struct rproc *rproc, const char *name, ...); |
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static inline int rproc_prepare_device(struct rproc *rproc) |
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{ |
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if (rproc->ops->prepare) |
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return rproc->ops->prepare(rproc); |
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return 0; |
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} |
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static inline int rproc_unprepare_device(struct rproc *rproc) |
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{ |
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if (rproc->ops->unprepare) |
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return rproc->ops->unprepare(rproc); |
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return 0; |
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} |
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static inline int rproc_attach_device(struct rproc *rproc) |
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{ |
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if (rproc->ops->attach) |
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return rproc->ops->attach(rproc); |
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return 0; |
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} |
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static inline |
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int rproc_fw_sanity_check(struct rproc *rproc, const struct firmware *fw) |
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{ |
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if (rproc->ops->sanity_check) |
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return rproc->ops->sanity_check(rproc, fw); |
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return 0; |
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} |
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static inline |
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u64 rproc_get_boot_addr(struct rproc *rproc, const struct firmware *fw) |
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{ |
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if (rproc->ops->get_boot_addr) |
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return rproc->ops->get_boot_addr(rproc, fw); |
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return 0; |
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} |
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static inline |
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int rproc_load_segments(struct rproc *rproc, const struct firmware *fw) |
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{ |
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if (rproc->ops->load) |
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return rproc->ops->load(rproc, fw); |
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return -EINVAL; |
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} |
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static inline int rproc_parse_fw(struct rproc *rproc, const struct firmware *fw) |
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{ |
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if (rproc->ops->parse_fw) |
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return rproc->ops->parse_fw(rproc, fw); |
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return 0; |
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} |
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static inline |
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int rproc_handle_rsc(struct rproc *rproc, u32 rsc_type, void *rsc, int offset, |
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int avail) |
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{ |
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if (rproc->ops->handle_rsc) |
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return rproc->ops->handle_rsc(rproc, rsc_type, rsc, offset, |
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avail); |
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return RSC_IGNORED; |
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} |
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static inline |
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struct resource_table *rproc_find_loaded_rsc_table(struct rproc *rproc, |
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const struct firmware *fw) |
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{ |
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if (rproc->ops->find_loaded_rsc_table) |
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return rproc->ops->find_loaded_rsc_table(rproc, fw); |
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return NULL; |
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} |
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static inline |
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struct resource_table *rproc_get_loaded_rsc_table(struct rproc *rproc, |
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size_t *size) |
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{ |
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if (rproc->ops->get_loaded_rsc_table) |
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return rproc->ops->get_loaded_rsc_table(rproc, size); |
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return NULL; |
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} |
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static inline |
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bool rproc_u64_fit_in_size_t(u64 val) |
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{ |
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if (sizeof(size_t) == sizeof(u64)) |
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return true; |
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return (val <= (size_t) -1); |
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} |
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#endif /* REMOTEPROC_INTERNAL_H */
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