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 26 struct rproc; 27 28 struct rproc_debug_trace { 29 struct rproc *rproc; 30 struct dentry *tfile; 31 struct list_head node; 32 struct rproc_mem_entry trace_mem; 33 }; 34 35 /* from remoteproc_core.c */ 36 void rproc_release(struct kref *kref); 37 irqreturn_t rproc_vq_interrupt(struct rproc *rproc, int vq_id); 38 void rproc_vdev_release(struct kref *ref); 39 40 /* from remoteproc_virtio.c */ 41 int rproc_add_virtio_dev(struct rproc_vdev *rvdev, int id); 42 int rproc_remove_virtio_dev(struct device *dev, void *data); 43 44 /* from remoteproc_debugfs.c */ 45 void rproc_remove_trace_file(struct dentry *tfile); 46 struct dentry *rproc_create_trace_file(const char *name, struct rproc *rproc, 47 struct rproc_debug_trace *trace); 48 void rproc_delete_debug_dir(struct rproc *rproc); 49 void rproc_create_debug_dir(struct rproc *rproc); 50 void rproc_init_debugfs(void); 51 void rproc_exit_debugfs(void); 52 53 /* from remoteproc_sysfs.c */ 54 extern struct class rproc_class; 55 int rproc_init_sysfs(void); 56 void rproc_exit_sysfs(void); 57 58 void rproc_free_vring(struct rproc_vring *rvring); 59 int rproc_alloc_vring(struct rproc_vdev *rvdev, int i); 60 61 void *rproc_da_to_va(struct rproc *rproc, u64 da, int len); 62 phys_addr_t rproc_va_to_pa(void *cpu_addr); 63 int rproc_trigger_recovery(struct rproc *rproc); 64 65 int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw); 66 u32 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw); 67 int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw); 68 int rproc_elf_load_rsc_table(struct rproc *rproc, const struct firmware *fw); 69 struct resource_table *rproc_elf_find_loaded_rsc_table(struct rproc *rproc, 70 const struct firmware *fw); 71 struct rproc_mem_entry * 72 rproc_find_carveout_by_name(struct rproc *rproc, const char *name, ...); 73 74 static inline 75 int rproc_fw_sanity_check(struct rproc *rproc, const struct firmware *fw) 76 { 77 if (rproc->ops->sanity_check) 78 return rproc->ops->sanity_check(rproc, fw); 79 80 return 0; 81 } 82 83 static inline 84 u32 rproc_get_boot_addr(struct rproc *rproc, const struct firmware *fw) 85 { 86 if (rproc->ops->get_boot_addr) 87 return rproc->ops->get_boot_addr(rproc, fw); 88 89 return 0; 90 } 91 92 static inline 93 int rproc_load_segments(struct rproc *rproc, const struct firmware *fw) 94 { 95 if (rproc->ops->load) 96 return rproc->ops->load(rproc, fw); 97 98 return -EINVAL; 99 } 100 101 static inline int rproc_parse_fw(struct rproc *rproc, const struct firmware *fw) 102 { 103 if (rproc->ops->parse_fw) 104 return rproc->ops->parse_fw(rproc, fw); 105 106 return 0; 107 } 108 109 static inline 110 struct resource_table *rproc_find_loaded_rsc_table(struct rproc *rproc, 111 const struct firmware *fw) 112 { 113 if (rproc->ops->find_loaded_rsc_table) 114 return rproc->ops->find_loaded_rsc_table(rproc, fw); 115 116 return NULL; 117 } 118 119 #endif /* REMOTEPROC_INTERNAL_H */ 120