wusb: add debug files for ASL, PZL and DI to the whci-hcd driver
Add asl, pzl and di debugfs files to uwb/uwbN/wusbhc for WHCI host controller. These dump the current ASL, PZL and DI buffer. Signed-off-by: David Vrabel <david.vrabel@csr.com>
This commit is contained in:
David Vrabel
parent
e4b49580f7
commit
dcc7461eef
12 changed files with 223 additions and 123 deletions
189
drivers/usb/host/whci/debug.c
Normal file
189
drivers/usb/host/whci/debug.c
Normal file
|
|
@ -0,0 +1,189 @@
|
|||
/*
|
||||
* Wireless Host Controller (WHC) debug.
|
||||
*
|
||||
* Copyright (C) 2008 Cambridge Silicon Radio Ltd.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License version
|
||||
* 2 as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/debugfs.h>
|
||||
#include <linux/seq_file.h>
|
||||
|
||||
#include "../../wusbcore/wusbhc.h"
|
||||
|
||||
#include "whcd.h"
|
||||
|
||||
struct whc_dbg {
|
||||
struct dentry *di_f;
|
||||
struct dentry *asl_f;
|
||||
struct dentry *pzl_f;
|
||||
};
|
||||
|
||||
void qset_print(struct seq_file *s, struct whc_qset *qset)
|
||||
{
|
||||
struct whc_std *std;
|
||||
struct urb *urb = NULL;
|
||||
int i;
|
||||
|
||||
seq_printf(s, "qset %08x\n", (u32)qset->qset_dma);
|
||||
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\n", qset->qh.status, qset->qh.err_count);
|
||||
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_print(struct seq_file *s, void *p)
|
||||
{
|
||||
struct whc *whc = s->private;
|
||||
char buf[72];
|
||||
int d;
|
||||
|
||||
for (d = 0; d < whc->n_devices; d++) {
|
||||
struct di_buf_entry *di = &whc->di_buf[d];
|
||||
|
||||
bitmap_scnprintf(buf, sizeof(buf),
|
||||
(unsigned long *)di->availability_info, UWB_NUM_MAS);
|
||||
|
||||
seq_printf(s, "DI[%d]\n", d);
|
||||
seq_printf(s, " availability: %s\n", buf);
|
||||
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;
|
||||
}
|
||||
|
||||
static int asl_print(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;
|
||||
}
|
||||
|
||||
static int pzl_print(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;
|
||||
}
|
||||
|
||||
static int di_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return single_open(file, di_print, inode->i_private);
|
||||
}
|
||||
|
||||
static int asl_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return single_open(file, asl_print, inode->i_private);
|
||||
}
|
||||
|
||||
static int pzl_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return single_open(file, pzl_print, inode->i_private);
|
||||
}
|
||||
|
||||
static struct file_operations di_fops = {
|
||||
.open = di_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
.owner = THIS_MODULE,
|
||||
};
|
||||
|
||||
static struct file_operations asl_fops = {
|
||||
.open = asl_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
.owner = THIS_MODULE,
|
||||
};
|
||||
|
||||
static struct file_operations pzl_fops = {
|
||||
.open = pzl_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
.owner = THIS_MODULE,
|
||||
};
|
||||
|
||||
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);
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue