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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | /* * 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); /* 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 */ |