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Code Issues Releases Activity

Allow dumping the USB mouse reports via 'sysctl -b dev.ums.N.parseinfo',

Browse Source 
previously only available via bootverbose.

PR:		usb/137191
Submitted by:	Eygene Ryabinkin
This commit is contained in:
Andrew Thompson 2009-10-22 20:54:01 +00:00
parent ab593611be
commit 4ed0304c97
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=198373
1 changed files with 71 additions and 1 deletions
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72
sys/dev/usb/input/ums.c
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@ -63,6 +63,7 @@ __FBSDID("$FreeBSD$");
#include <sys/priv.h>
#include <sys/conf.h>
#include <sys/fcntl.h>
#include <sys/sbuf.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
@ -161,7 +162,9 @@ static usb_fifo_open_t ums_open;
static usb_fifo_close_t ums_close;
static usb_fifo_ioctl_t ums_ioctl;
static void ums_put_queue(struct ums_softc *sc, int32_t dx, int32_t dy, int32_t dz, int32_t dt, int32_t buttons);
static void ums_put_queue(struct ums_softc *, int32_t, int32_t,
int32_t, int32_t, int32_t);
static int ums_sysctl_handler_parseinfo(SYSCTL_HANDLER_ARGS);
static struct usb_fifo_methods ums_fifo_methods = {
.f_open = &ums_open,
@ -643,6 +646,12 @@ ums_attach(device_t dev)
if (err) {
goto detach;
}
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
OID_AUTO, "parseinfo", CTLTYPE_STRING|CTLFLAG_RD,
sc, 0, ums_sysctl_handler_parseinfo,
"", "Dump UMS report parsing information");
return (0);
detach:
@ -916,6 +925,67 @@ ums_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags)
return (error);
}
static int
ums_sysctl_handler_parseinfo(SYSCTL_HANDLER_ARGS)
{
struct ums_softc *sc = arg1;
struct ums_info *info;
struct sbuf *sb;
int i, j, err;
sb = sbuf_new_auto();
for (i = 0; i < UMS_INFO_MAX; i++) {
info = &sc->sc_info[i];
/* Don't emit empty info */
if ((info->sc_flags &
(UMS_FLAG_X_AXIS | UMS_FLAG_Y_AXIS | UMS_FLAG_Z_AXIS |
UMS_FLAG_T_AXIS | UMS_FLAG_W_AXIS)) == 0 &&
info->sc_buttons == 0)
continue;
sbuf_printf(sb, "i%d:", i + 1);
if (info->sc_flags & UMS_FLAG_X_AXIS)
sbuf_printf(sb, " X:r%d, p%d, s%d;",
(int)info->sc_iid_x,
(int)info->sc_loc_x.pos,
(int)info->sc_loc_x.size);
if (info->sc_flags & UMS_FLAG_Y_AXIS)
sbuf_printf(sb, " Y:r%d, p%d, s%d;",
(int)info->sc_iid_y,
(int)info->sc_loc_y.pos,
(int)info->sc_loc_y.size);
if (info->sc_flags & UMS_FLAG_Z_AXIS)
sbuf_printf(sb, " Z:r%d, p%d, s%d;",
(int)info->sc_iid_z,
(int)info->sc_loc_z.pos,
(int)info->sc_loc_z.size);
if (info->sc_flags & UMS_FLAG_T_AXIS)
sbuf_printf(sb, " T:r%d, p%d, s%d;",
(int)info->sc_iid_t,
(int)info->sc_loc_t.pos,
(int)info->sc_loc_t.size);
if (info->sc_flags & UMS_FLAG_W_AXIS)
sbuf_printf(sb, " W:r%d, p%d, s%d;",
(int)info->sc_iid_w,
(int)info->sc_loc_w.pos,
(int)info->sc_loc_w.size);
for (j = 0; j < info->sc_buttons; j++) {
sbuf_printf(sb, " B%d:r%d, p%d, s%d;", j + 1,
(int)info->sc_iid_btn[j],
(int)info->sc_loc_btn[j].pos,
(int)info->sc_loc_btn[j].size);
}
sbuf_printf(sb, "\n");
}
sbuf_finish(sb);
err = SYSCTL_OUT(req, sbuf_data(sb), sbuf_len(sb) + 1);
sbuf_delete(sb);
return (err);
}
static devclass_t ums_devclass;
static device_method_t ums_methods[] = {