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400e64df OBC |
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> | |
72854fb0 | 24 | #include <linux/firmware.h> |
400e64df OBC |
25 | |
26 | struct rproc; | |
27 | ||
4afc89d6 SB |
28 | /** |
29 | * struct rproc_fw_ops - firmware format specific operations. | |
95f95781 SB |
30 | * @find_rsc_table: find the resource table inside the firmware image |
31 | * @find_loaded_rsc_table: find the loaded resouce table | |
4afc89d6 SB |
32 | * @load: load firmeware to memory, where the remote processor |
33 | * expects to find it | |
34 | * @sanity_check: sanity check the fw image | |
35 | * @get_boot_addr: get boot address to entry point specified in firmware | |
36 | */ | |
37 | struct rproc_fw_ops { | |
172e6ab1 | 38 | struct resource_table *(*find_rsc_table)(struct rproc *rproc, |
730f84ce AS |
39 | const struct firmware *fw, |
40 | int *tablesz); | |
41 | struct resource_table *(*find_loaded_rsc_table)( | |
42 | struct rproc *rproc, const struct firmware *fw); | |
4afc89d6 SB |
43 | int (*load)(struct rproc *rproc, const struct firmware *fw); |
44 | int (*sanity_check)(struct rproc *rproc, const struct firmware *fw); | |
45 | u32 (*get_boot_addr)(struct rproc *rproc, const struct firmware *fw); | |
46 | }; | |
47 | ||
400e64df OBC |
48 | /* from remoteproc_core.c */ |
49 | void rproc_release(struct kref *kref); | |
50 | irqreturn_t rproc_vq_interrupt(struct rproc *rproc, int vq_id); | |
aab8d802 | 51 | void rproc_vdev_release(struct kref *ref); |
400e64df | 52 | |
7a186941 OBC |
53 | /* from remoteproc_virtio.c */ |
54 | int rproc_add_virtio_dev(struct rproc_vdev *rvdev, int id); | |
55 | void rproc_remove_virtio_dev(struct rproc_vdev *rvdev); | |
400e64df OBC |
56 | |
57 | /* from remoteproc_debugfs.c */ | |
58 | void rproc_remove_trace_file(struct dentry *tfile); | |
59 | struct dentry *rproc_create_trace_file(const char *name, struct rproc *rproc, | |
730f84ce | 60 | struct rproc_mem_entry *trace); |
400e64df OBC |
61 | void rproc_delete_debug_dir(struct rproc *rproc); |
62 | void rproc_create_debug_dir(struct rproc *rproc); | |
63 | void rproc_init_debugfs(void); | |
64 | void rproc_exit_debugfs(void); | |
65 | ||
2aefbef0 MR |
66 | /* from remoteproc_sysfs.c */ |
67 | extern struct class rproc_class; | |
68 | int rproc_init_sysfs(void); | |
69 | void rproc_exit_sysfs(void); | |
70 | ||
6db20ea8 OBC |
71 | void rproc_free_vring(struct rproc_vring *rvring); |
72 | int rproc_alloc_vring(struct rproc_vdev *rvdev, int i); | |
72854fb0 SB |
73 | |
74 | void *rproc_da_to_va(struct rproc *rproc, u64 da, int len); | |
70b85ef8 | 75 | int rproc_trigger_recovery(struct rproc *rproc); |
72854fb0 | 76 | |
4afc89d6 SB |
77 | static inline |
78 | int rproc_fw_sanity_check(struct rproc *rproc, const struct firmware *fw) | |
79 | { | |
80 | if (rproc->fw_ops->sanity_check) | |
81 | return rproc->fw_ops->sanity_check(rproc, fw); | |
82 | ||
83 | return 0; | |
84 | } | |
85 | ||
86 | static inline | |
87 | u32 rproc_get_boot_addr(struct rproc *rproc, const struct firmware *fw) | |
88 | { | |
89 | if (rproc->fw_ops->get_boot_addr) | |
90 | return rproc->fw_ops->get_boot_addr(rproc, fw); | |
91 | ||
92 | return 0; | |
93 | } | |
94 | ||
95 | static inline | |
96 | int rproc_load_segments(struct rproc *rproc, const struct firmware *fw) | |
97 | { | |
98 | if (rproc->fw_ops->load) | |
99 | return rproc->fw_ops->load(rproc, fw); | |
100 | ||
101 | return -EINVAL; | |
102 | } | |
103 | ||
104 | static inline | |
72854fb0 | 105 | struct resource_table *rproc_find_rsc_table(struct rproc *rproc, |
730f84ce AS |
106 | const struct firmware *fw, |
107 | int *tablesz) | |
4afc89d6 SB |
108 | { |
109 | if (rproc->fw_ops->find_rsc_table) | |
110 | return rproc->fw_ops->find_rsc_table(rproc, fw, tablesz); | |
111 | ||
112 | return NULL; | |
113 | } | |
114 | ||
95f95781 SB |
115 | static inline |
116 | struct resource_table *rproc_find_loaded_rsc_table(struct rproc *rproc, | |
730f84ce | 117 | const struct firmware *fw) |
95f95781 SB |
118 | { |
119 | if (rproc->fw_ops->find_loaded_rsc_table) | |
120 | return rproc->fw_ops->find_loaded_rsc_table(rproc, fw); | |
121 | ||
57971159 | 122 | return NULL; |
95f95781 SB |
123 | } |
124 | ||
4afc89d6 | 125 | extern const struct rproc_fw_ops rproc_elf_fw_ops; |
72854fb0 | 126 | |
400e64df | 127 | #endif /* REMOTEPROC_INTERNAL_H */ |