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12#ifndef REMOTEPROC_INTERNAL_H
13#define REMOTEPROC_INTERNAL_H
14
15#include <linux/irqreturn.h>
16#include <linux/firmware.h>
17
18struct rproc;
19
20struct rproc_debug_trace {
21 struct rproc *rproc;
22 struct dentry *tfile;
23 struct list_head node;
24 struct rproc_mem_entry trace_mem;
25};
26
27
28void rproc_release(struct kref *kref);
29irqreturn_t rproc_vq_interrupt(struct rproc *rproc, int vq_id);
30void rproc_vdev_release(struct kref *ref);
31int rproc_of_parse_firmware(struct device *dev, int index,
32 const char **fw_name);
33
34
35int rproc_add_virtio_dev(struct rproc_vdev *rvdev, int id);
36int rproc_remove_virtio_dev(struct device *dev, void *data);
37
38
39void rproc_remove_trace_file(struct dentry *tfile);
40struct dentry *rproc_create_trace_file(const char *name, struct rproc *rproc,
41 struct rproc_debug_trace *trace);
42void rproc_delete_debug_dir(struct rproc *rproc);
43void rproc_create_debug_dir(struct rproc *rproc);
44void rproc_init_debugfs(void);
45void rproc_exit_debugfs(void);
46
47
48extern struct class rproc_class;
49int rproc_init_sysfs(void);
50void rproc_exit_sysfs(void);
51
52
53void rproc_coredump_cleanup(struct rproc *rproc);
54void rproc_coredump(struct rproc *rproc);
55
56#ifdef CONFIG_REMOTEPROC_CDEV
57void rproc_init_cdev(void);
58void rproc_exit_cdev(void);
59int rproc_char_device_add(struct rproc *rproc);
60void rproc_char_device_remove(struct rproc *rproc);
61#else
62static inline void rproc_init_cdev(void)
63{
64}
65
66static inline void rproc_exit_cdev(void)
67{
68}
69
70
71
72
73
74static inline int rproc_char_device_add(struct rproc *rproc)
75{
76 return 0;
77}
78
79static inline void rproc_char_device_remove(struct rproc *rproc)
80{
81}
82#endif
83
84void rproc_free_vring(struct rproc_vring *rvring);
85int rproc_alloc_vring(struct rproc_vdev *rvdev, int i);
86
87void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem);
88phys_addr_t rproc_va_to_pa(void *cpu_addr);
89int rproc_trigger_recovery(struct rproc *rproc);
90
91int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw);
92u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
93int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw);
94int rproc_elf_load_rsc_table(struct rproc *rproc, const struct firmware *fw);
95struct resource_table *rproc_elf_find_loaded_rsc_table(struct rproc *rproc,
96 const struct firmware *fw);
97struct rproc_mem_entry *
98rproc_find_carveout_by_name(struct rproc *rproc, const char *name, ...);
99
100static inline int rproc_prepare_device(struct rproc *rproc)
101{
102 if (rproc->ops->prepare)
103 return rproc->ops->prepare(rproc);
104
105 return 0;
106}
107
108static inline int rproc_unprepare_device(struct rproc *rproc)
109{
110 if (rproc->ops->unprepare)
111 return rproc->ops->unprepare(rproc);
112
113 return 0;
114}
115
116static inline int rproc_attach_device(struct rproc *rproc)
117{
118 if (rproc->ops->attach)
119 return rproc->ops->attach(rproc);
120
121 return 0;
122}
123
124static inline
125int rproc_fw_sanity_check(struct rproc *rproc, const struct firmware *fw)
126{
127 if (rproc->ops->sanity_check)
128 return rproc->ops->sanity_check(rproc, fw);
129
130 return 0;
131}
132
133static inline
134u64 rproc_get_boot_addr(struct rproc *rproc, const struct firmware *fw)
135{
136 if (rproc->ops->get_boot_addr)
137 return rproc->ops->get_boot_addr(rproc, fw);
138
139 return 0;
140}
141
142static inline
143int rproc_load_segments(struct rproc *rproc, const struct firmware *fw)
144{
145 if (rproc->ops->load)
146 return rproc->ops->load(rproc, fw);
147
148 return -EINVAL;
149}
150
151static inline int rproc_parse_fw(struct rproc *rproc, const struct firmware *fw)
152{
153 if (rproc->ops->parse_fw)
154 return rproc->ops->parse_fw(rproc, fw);
155
156 return 0;
157}
158
159static inline
160int rproc_handle_rsc(struct rproc *rproc, u32 rsc_type, void *rsc, int offset,
161 int avail)
162{
163 if (rproc->ops->handle_rsc)
164 return rproc->ops->handle_rsc(rproc, rsc_type, rsc, offset,
165 avail);
166
167 return RSC_IGNORED;
168}
169
170static inline
171struct resource_table *rproc_find_loaded_rsc_table(struct rproc *rproc,
172 const struct firmware *fw)
173{
174 if (rproc->ops->find_loaded_rsc_table)
175 return rproc->ops->find_loaded_rsc_table(rproc, fw);
176
177 return NULL;
178}
179
180static inline
181struct resource_table *rproc_get_loaded_rsc_table(struct rproc *rproc,
182 size_t *size)
183{
184 if (rproc->ops->get_loaded_rsc_table)
185 return rproc->ops->get_loaded_rsc_table(rproc, size);
186
187 return NULL;
188}
189
190static inline
191bool rproc_u64_fit_in_size_t(u64 val)
192{
193 if (sizeof(size_t) == sizeof(u64))
194 return true;
195
196 return (val <= (size_t) -1);
197}
198
199#endif
200