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9c92ab61 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
400e64df OBC |
2 | /* |
3 | * Remote processor framework | |
4 | * | |
5 | * Copyright (C) 2011 Texas Instruments, Inc. | |
6 | * Copyright (C) 2011 Google, Inc. | |
7 | * | |
8 | * Ohad Ben-Cohen <ohad@wizery.com> | |
9 | * Brian Swetland <swetland@google.com> | |
400e64df OBC |
10 | */ |
11 | ||
12 | #ifndef REMOTEPROC_INTERNAL_H | |
13 | #define REMOTEPROC_INTERNAL_H | |
14 | ||
15 | #include <linux/irqreturn.h> | |
72854fb0 | 16 | #include <linux/firmware.h> |
400e64df OBC |
17 | |
18 | struct rproc; | |
19 | ||
a987e6b9 LP |
20 | struct 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 | ||
400e64df OBC |
27 | /* from remoteproc_core.c */ |
28 | void rproc_release(struct kref *kref); | |
29 | irqreturn_t rproc_vq_interrupt(struct rproc *rproc, int vq_id); | |
aab8d802 | 30 | void rproc_vdev_release(struct kref *ref); |
400e64df | 31 | |
7a186941 OBC |
32 | /* from remoteproc_virtio.c */ |
33 | int rproc_add_virtio_dev(struct rproc_vdev *rvdev, int id); | |
d4c036fe | 34 | int rproc_remove_virtio_dev(struct device *dev, void *data); |
400e64df OBC |
35 | |
36 | /* from remoteproc_debugfs.c */ | |
37 | void rproc_remove_trace_file(struct dentry *tfile); | |
38 | struct dentry *rproc_create_trace_file(const char *name, struct rproc *rproc, | |
a987e6b9 | 39 | struct rproc_debug_trace *trace); |
400e64df OBC |
40 | void rproc_delete_debug_dir(struct rproc *rproc); |
41 | void rproc_create_debug_dir(struct rproc *rproc); | |
42 | void rproc_init_debugfs(void); | |
43 | void rproc_exit_debugfs(void); | |
44 | ||
2aefbef0 MR |
45 | /* from remoteproc_sysfs.c */ |
46 | extern struct class rproc_class; | |
47 | int rproc_init_sysfs(void); | |
48 | void rproc_exit_sysfs(void); | |
49 | ||
6db20ea8 OBC |
50 | void rproc_free_vring(struct rproc_vring *rvring); |
51 | int rproc_alloc_vring(struct rproc_vdev *rvdev, int i); | |
72854fb0 | 52 | |
9ce3bf22 | 53 | void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len); |
086d0872 | 54 | phys_addr_t rproc_va_to_pa(void *cpu_addr); |
70b85ef8 | 55 | int rproc_trigger_recovery(struct rproc *rproc); |
72854fb0 | 56 | |
f31e339f | 57 | int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw); |
e4ae4b7d | 58 | u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw); |
0f21f9cc | 59 | int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw); |
58b64090 | 60 | int rproc_elf_load_rsc_table(struct rproc *rproc, const struct firmware *fw); |
0f21f9cc BA |
61 | struct resource_table *rproc_elf_find_loaded_rsc_table(struct rproc *rproc, |
62 | const struct firmware *fw); | |
c6aed238 LP |
63 | struct rproc_mem_entry * |
64 | rproc_find_carveout_by_name(struct rproc *rproc, const char *name, ...); | |
0f21f9cc | 65 | |
33467ac3 LP |
66 | static inline int rproc_prepare_device(struct rproc *rproc) |
67 | { | |
68 | if (rproc->ops->prepare) | |
69 | return rproc->ops->prepare(rproc); | |
70 | ||
71 | return 0; | |
72 | } | |
73 | ||
74 | static inline int rproc_unprepare_device(struct rproc *rproc) | |
75 | { | |
76 | if (rproc->ops->unprepare) | |
77 | return rproc->ops->unprepare(rproc); | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
4afc89d6 SB |
82 | static inline |
83 | int rproc_fw_sanity_check(struct rproc *rproc, const struct firmware *fw) | |
84 | { | |
0f21f9cc BA |
85 | if (rproc->ops->sanity_check) |
86 | return rproc->ops->sanity_check(rproc, fw); | |
4afc89d6 SB |
87 | |
88 | return 0; | |
89 | } | |
90 | ||
91 | static inline | |
e4ae4b7d | 92 | u64 rproc_get_boot_addr(struct rproc *rproc, const struct firmware *fw) |
4afc89d6 | 93 | { |
0f21f9cc BA |
94 | if (rproc->ops->get_boot_addr) |
95 | return rproc->ops->get_boot_addr(rproc, fw); | |
4afc89d6 SB |
96 | |
97 | return 0; | |
98 | } | |
99 | ||
100 | static inline | |
101 | int rproc_load_segments(struct rproc *rproc, const struct firmware *fw) | |
102 | { | |
0f21f9cc BA |
103 | if (rproc->ops->load) |
104 | return rproc->ops->load(rproc, fw); | |
4afc89d6 SB |
105 | |
106 | return -EINVAL; | |
107 | } | |
108 | ||
c1d35c1a | 109 | static inline int rproc_parse_fw(struct rproc *rproc, const struct firmware *fw) |
4afc89d6 | 110 | { |
c1d35c1a BA |
111 | if (rproc->ops->parse_fw) |
112 | return rproc->ops->parse_fw(rproc, fw); | |
4afc89d6 | 113 | |
58b64090 | 114 | return 0; |
4afc89d6 SB |
115 | } |
116 | ||
b1a17513 CL |
117 | static inline |
118 | int rproc_handle_rsc(struct rproc *rproc, u32 rsc_type, void *rsc, int offset, | |
119 | int avail) | |
120 | { | |
121 | if (rproc->ops->handle_rsc) | |
122 | return rproc->ops->handle_rsc(rproc, rsc_type, rsc, offset, | |
123 | avail); | |
124 | ||
125 | return RSC_IGNORED; | |
126 | } | |
127 | ||
95f95781 SB |
128 | static inline |
129 | struct resource_table *rproc_find_loaded_rsc_table(struct rproc *rproc, | |
730f84ce | 130 | const struct firmware *fw) |
95f95781 | 131 | { |
0f21f9cc BA |
132 | if (rproc->ops->find_loaded_rsc_table) |
133 | return rproc->ops->find_loaded_rsc_table(rproc, fw); | |
95f95781 | 134 | |
57971159 | 135 | return NULL; |
95f95781 SB |
136 | } |
137 | ||
f31e339f CL |
138 | static inline |
139 | bool rproc_u64_fit_in_size_t(u64 val) | |
140 | { | |
141 | if (sizeof(size_t) == sizeof(u64)) | |
142 | return true; | |
143 | ||
144 | return (val <= (size_t) -1); | |
145 | } | |
146 | ||
400e64df | 147 | #endif /* REMOTEPROC_INTERNAL_H */ |