1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
// SPDX-License-Identifier: GPL-2.0
/*
* Wireless Host Controller (WHC) debug.
*
* Copyright (C) 2008 Cambridge Silicon Radio Ltd.
*/
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/export.h>
#include "../../wusbcore/wusbhc.h"
#include "whcd.h"
struct whc_dbg {
struct dentry *di_f;
struct dentry *asl_f;
struct dentry *pzl_f;
};
static void qset_print(struct seq_file *s, struct whc_qset *qset)
{
static const char *qh_type[] = {
"ctrl", "isoc", "bulk", "intr", "rsvd", "rsvd", "rsvd", "lpintr", };
struct whc_std *std;
struct urb *urb = NULL;
int i;
seq_printf(s, "qset %08x", (u32)qset->qset_dma);
if (&qset->list_node == qset->whc->async_list.prev) {
seq_printf(s, " (dummy)\n");
} else {
seq_printf(s, " ep%d%s-%s maxpkt: %d\n",
qset->qh.info1 & 0x0f,
(qset->qh.info1 >> 4) & 0x1 ? "in" : "out",
qh_type[(qset->qh.info1 >> 5) & 0x7],
(qset->qh.info1 >> 16) & 0xffff);
}
seq_printf(s, " -> %08x\n", (u32)qset->qh.link);
seq_printf(s, " info: %08x %08x %08x\n",
qset->qh.info1, qset->qh.info2, qset->qh.info3);
seq_printf(s, " sts: %04x errs: %d curwin: %08x\n",
qset->qh.status, qset->qh.err_count, qset->qh.cur_window);
seq_printf(s, " TD: sts: %08x opts: %08x\n",
qset->qh.overlay.qtd.status, qset->qh.overlay.qtd.options);
for (i = 0; i < WHCI_QSET_TD_MAX; i++) {
seq_printf(s, " %c%c TD[%d]: sts: %08x opts: %08x ptr: %08x\n",
i == qset->td_start ? 'S' : ' ',
i == qset->td_end ? 'E' : ' ',
i, qset->qtd[i].status, qset->qtd[i].options,
(u32)qset->qtd[i].page_list_ptr);
}
seq_printf(s, " ntds: %d\n", qset->ntds);
list_for_each_entry(std, &qset->stds, list_node) {
if (urb != std->urb) {
urb = std->urb;
seq_printf(s, " urb %p transferred: %d bytes\n", urb,
urb->actual_length);
}
if (std->qtd)
seq_printf(s, " sTD[%td]: %zu bytes @ %08x\n",
std->qtd - &qset->qtd[0],
std->len, std->num_pointers ?
(u32)(std->pl_virt[0].buf_ptr) : (u32)std->dma_addr);
else
seq_printf(s, " sTD[-]: %zd bytes @ %08x\n",
std->len, std->num_pointers ?
(u32)(std->pl_virt[0].buf_ptr) : (u32)std->dma_addr);
}
}
static int di_show(struct seq_file *s, void *p)
{
struct whc *whc = s->private;
int d;
for (d = 0; d < whc->n_devices; d++) {
struct di_buf_entry *di = &whc->di_buf[d];
seq_printf(s, "DI[%d]\n", d);
seq_printf(s, " availability: %*pb\n",
UWB_NUM_MAS, (unsigned long *)di->availability_info);
seq_printf(s, " %c%c key idx: %d dev addr: %d\n",
(di->addr_sec_info & WHC_DI_SECURE) ? 'S' : ' ',
(di->addr_sec_info & WHC_DI_DISABLE) ? 'D' : ' ',
(di->addr_sec_info & WHC_DI_KEY_IDX_MASK) >> 8,
(di->addr_sec_info & WHC_DI_DEV_ADDR_MASK));
}
return 0;
}
DEFINE_SHOW_ATTRIBUTE(di);
static int asl_show(struct seq_file *s, void *p)
{
struct whc *whc = s->private;
struct whc_qset *qset;
list_for_each_entry(qset, &whc->async_list, list_node) {
qset_print(s, qset);
}
return 0;
}
DEFINE_SHOW_ATTRIBUTE(asl);
static int pzl_show(struct seq_file *s, void *p)
{
struct whc *whc = s->private;
struct whc_qset *qset;
int period;
for (period = 0; period < 5; period++) {
seq_printf(s, "Period %d\n", period);
list_for_each_entry(qset, &whc->periodic_list[period], list_node) {
qset_print(s, qset);
}
}
return 0;
}
DEFINE_SHOW_ATTRIBUTE(pzl);
void whc_dbg_init(struct whc *whc)
{
if (whc->wusbhc.pal.debugfs_dir == NULL)
return;
whc->dbg = kzalloc(sizeof(struct whc_dbg), GFP_KERNEL);
if (whc->dbg == NULL)
return;
whc->dbg->di_f = debugfs_create_file("di", 0444,
whc->wusbhc.pal.debugfs_dir, whc,
&di_fops);
whc->dbg->asl_f = debugfs_create_file("asl", 0444,
whc->wusbhc.pal.debugfs_dir, whc,
&asl_fops);
whc->dbg->pzl_f = debugfs_create_file("pzl", 0444,
whc->wusbhc.pal.debugfs_dir, whc,
&pzl_fops);
}
void whc_dbg_clean_up(struct whc *whc)
{
if (whc->dbg) {
debugfs_remove(whc->dbg->pzl_f);
debugfs_remove(whc->dbg->asl_f);
debugfs_remove(whc->dbg->di_f);
kfree(whc->dbg);
}
}
|
