This source file includes following definitions.
- cc_debugfs_global_init
- cc_debugfs_global_fini
- cc_debugfs_init
- cc_debugfs_fini
1
2
3
4 #include <linux/kernel.h>
5 #include <linux/debugfs.h>
6 #include <linux/stringify.h>
7 #include "cc_driver.h"
8 #include "cc_crypto_ctx.h"
9 #include "cc_debugfs.h"
10
11 struct cc_debugfs_ctx {
12 struct dentry *dir;
13 };
14
15 #define CC_DEBUG_REG(_X) { \
16 .name = __stringify(_X),\
17 .offset = CC_REG(_X) \
18 }
19
20
21
22
23
24
25
26 static struct dentry *cc_debugfs_dir;
27
28 static struct debugfs_reg32 ver_sig_regs[] = {
29 { .name = "SIGNATURE" },
30 { .name = "VERSION" },
31 };
32
33 static struct debugfs_reg32 pid_cid_regs[] = {
34 CC_DEBUG_REG(PERIPHERAL_ID_0),
35 CC_DEBUG_REG(PERIPHERAL_ID_1),
36 CC_DEBUG_REG(PERIPHERAL_ID_2),
37 CC_DEBUG_REG(PERIPHERAL_ID_3),
38 CC_DEBUG_REG(PERIPHERAL_ID_4),
39 CC_DEBUG_REG(COMPONENT_ID_0),
40 CC_DEBUG_REG(COMPONENT_ID_1),
41 CC_DEBUG_REG(COMPONENT_ID_2),
42 CC_DEBUG_REG(COMPONENT_ID_3),
43 };
44
45 static struct debugfs_reg32 debug_regs[] = {
46 CC_DEBUG_REG(HOST_IRR),
47 CC_DEBUG_REG(HOST_POWER_DOWN_EN),
48 CC_DEBUG_REG(AXIM_MON_ERR),
49 CC_DEBUG_REG(DSCRPTR_QUEUE_CONTENT),
50 CC_DEBUG_REG(HOST_IMR),
51 CC_DEBUG_REG(AXIM_CFG),
52 CC_DEBUG_REG(AXIM_CACHE_PARAMS),
53 CC_DEBUG_REG(GPR_HOST),
54 CC_DEBUG_REG(AXIM_MON_COMP),
55 };
56
57 void __init cc_debugfs_global_init(void)
58 {
59 cc_debugfs_dir = debugfs_create_dir("ccree", NULL);
60 }
61
62 void __exit cc_debugfs_global_fini(void)
63 {
64 debugfs_remove(cc_debugfs_dir);
65 }
66
67 int cc_debugfs_init(struct cc_drvdata *drvdata)
68 {
69 struct device *dev = drvdata_to_dev(drvdata);
70 struct cc_debugfs_ctx *ctx;
71 struct debugfs_regset32 *regset, *verset;
72
73 ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
74 if (!ctx)
75 return -ENOMEM;
76
77 regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL);
78 if (!regset)
79 return -ENOMEM;
80
81 regset->regs = debug_regs;
82 regset->nregs = ARRAY_SIZE(debug_regs);
83 regset->base = drvdata->cc_base;
84
85 ctx->dir = debugfs_create_dir(drvdata->plat_dev->name, cc_debugfs_dir);
86
87 debugfs_create_regset32("regs", 0400, ctx->dir, regset);
88 debugfs_create_bool("coherent", 0400, ctx->dir, &drvdata->coherent);
89
90 verset = devm_kzalloc(dev, sizeof(*verset), GFP_KERNEL);
91
92 if (!verset)
93 goto out;
94
95 if (drvdata->hw_rev <= CC_HW_REV_712) {
96 ver_sig_regs[0].offset = drvdata->sig_offset;
97 ver_sig_regs[1].offset = drvdata->ver_offset;
98 verset->regs = ver_sig_regs;
99 verset->nregs = ARRAY_SIZE(ver_sig_regs);
100 } else {
101 verset->regs = pid_cid_regs;
102 verset->nregs = ARRAY_SIZE(pid_cid_regs);
103 }
104 verset->base = drvdata->cc_base;
105
106 debugfs_create_regset32("version", 0400, ctx->dir, verset);
107
108 out:
109 drvdata->debugfs = ctx;
110 return 0;
111 }
112
113 void cc_debugfs_fini(struct cc_drvdata *drvdata)
114 {
115 struct cc_debugfs_ctx *ctx = (struct cc_debugfs_ctx *)drvdata->debugfs;
116
117 debugfs_remove_recursive(ctx->dir);
118 }