On Wed, Mar 31, 2010 at 05:23:46PM +0200, Markus Armbruster wrote:
> Date: Wed, 31 Mar 2010 17:23:46 +0200
> From: Markus Armbruster <arm...@redhat.com>
> To: Shahar Havivi <shah...@redhat.com>
> Cc: qemu-devel@nongnu.org
> Subject: Re: [Qemu-devel] [PATCH 1/2] Support for multiple keyboard devices
>
> Shahar Havivi <shah...@redhat.com> writes:
>
> > Currently you get segfault when trying to remove keyboard (device_del
> > monitor command) because no keyboard handling is done.
> >
> > This patch add QEMUPutKbdEntry structure, handling each keyboard entry.
> > Adding a keyboard add to the list, removing keyboard select the previous
> > keyboard in list.
> >
> > Signed-off-by: Shahar Havivi <shah...@redhat.com>
> > ---
> [...]
> > diff --git a/input.c b/input.c
> > index 8f0941e..e6dda25 100644
> > --- a/input.c
> > +++ b/input.c
> [...]
> > @@ -60,6 +54,38 @@ static void check_mode_change(void)
> > current_has_absolute = has_absolute;
> > }
> >
> > +QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func,
> > + void *opaque,
> > + const char *name)
> > +{
> > + static int mouse_index = 0;
>
> "mouse_index" is an unorthodox name for counting keyboards ;)
> [...]
Right :)
Signed-off-by: Shahar Havivi <shah...@redhat.com>
---
console.h | 14 ++++++++++++-
hw/adb.c | 2 +-
hw/escc.c | 3 +-
hw/musicpal.c | 2 +-
hw/nseries.c | 4 +-
hw/palm.c | 2 +-
hw/ps2.c | 2 +-
hw/pxa2xx_keypad.c | 3 +-
hw/spitz.c | 3 +-
hw/stellaris_input.c | 2 +-
hw/syborg_keyboard.c | 2 +-
hw/usb-hid.c | 10 ++++++--
hw/xenfb.c | 5 ++-
input.c | 51 ++++++++++++++++++++++++++++++++++++++++---------
14 files changed, 78 insertions(+), 27 deletions(-)
diff --git a/console.h b/console.h
index 6def115..91b66ea 100644
--- a/console.h
+++ b/console.h
@@ -41,7 +41,19 @@ typedef struct QEMUPutLEDEntry {
QTAILQ_ENTRY(QEMUPutLEDEntry) next;
} QEMUPutLEDEntry;
-void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque);
+typedef struct QEMUPutKbdEntry {
+ char *qemu_put_kbd_name;
+ QEMUPutKBDEvent *qemu_put_kbd_event;
+ void *qemu_put_kbd_event_opaque;
+ int index;
+
+ QTAILQ_ENTRY(QEMUPutKbdEntry) node;
+} QEMUPutKbdEntry;
+
+QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func,
+ void *opaque,
+ const char *name);
+void qemu_remove_kbd_event_handler(QEMUPutKbdEntry *entry);
QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
void *opaque, int absolute,
const char *name);
diff --git a/hw/adb.c b/hw/adb.c
index 4fb7a62..09afcf9 100644
--- a/hw/adb.c
+++ b/hw/adb.c
@@ -304,7 +304,7 @@ void adb_kbd_init(ADBBusState *bus)
s = qemu_mallocz(sizeof(KBDState));
d = adb_register_device(bus, ADB_KEYBOARD, adb_kbd_request,
adb_kbd_reset, s);
- qemu_add_kbd_event_handler(adb_kbd_put_keycode, d);
+ qemu_add_kbd_event_handler(adb_kbd_put_keycode, d, "adb");
register_savevm("adb_kbd", -1, 1, adb_kbd_save,
adb_kbd_load, s);
}
diff --git a/hw/escc.c b/hw/escc.c
index 6d2fd36..2b21d98 100644
--- a/hw/escc.c
+++ b/hw/escc.c
@@ -919,7 +919,8 @@ static int escc_init1(SysBusDevice *dev)
"QEMU Sun Mouse");
}
if (s->chn[1].type == kbd) {
- qemu_add_kbd_event_handler(sunkbd_event, &s->chn[1]);
+ qemu_add_kbd_event_handler(sunkbd_event, &s->chn[1],
+ "QEMU Sun Keyboard");
}
return 0;
diff --git a/hw/musicpal.c b/hw/musicpal.c
index ebd933e..e1a3b6a 100644
--- a/hw/musicpal.c
+++ b/hw/musicpal.c
@@ -1447,7 +1447,7 @@ static int musicpal_key_init(SysBusDevice *dev)
qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out));
- qemu_add_kbd_event_handler(musicpal_key_event, s);
+ qemu_add_kbd_event_handler(musicpal_key_event, s, "Musicpal");
return 0;
}
diff --git a/hw/nseries.c b/hw/nseries.c
index 0273eee..abfcec3 100644
--- a/hw/nseries.c
+++ b/hw/nseries.c
@@ -262,7 +262,7 @@ static void n800_tsc_kbd_setup(struct n800_s *s)
if (n800_keys[i] >= 0)
s->keymap[n800_keys[i]] = i;
- qemu_add_kbd_event_handler(n800_key_event, s);
+ qemu_add_kbd_event_handler(n800_key_event, s, "Nokia n800");
tsc210x_set_transform(s->ts.chip, &n800_pointercal);
}
@@ -371,7 +371,7 @@ static void n810_kbd_setup(struct n800_s *s)
if (n810_keys[i] > 0)
s->keymap[n810_keys[i]] = i;
- qemu_add_kbd_event_handler(n810_key_event, s);
+ qemu_add_kbd_event_handler(n810_key_event, s, "Nokia n810");
/* Attach the LM8322 keyboard to the I2C bus,
* should happen in n8x0_i2c_setup and s->kbd be initialised here. */
diff --git a/hw/palm.c b/hw/palm.c
index 6d19167..1b405d4 100644
--- a/hw/palm.c
+++ b/hw/palm.c
@@ -228,7 +228,7 @@ static void palmte_init(ram_addr_t ram_size,
palmte_microwire_setup(cpu);
- qemu_add_kbd_event_handler(palmte_button_event, cpu);
+ qemu_add_kbd_event_handler(palmte_button_event, cpu, "Palm Keyboard");
palmte_gpio_setup(cpu);
diff --git a/hw/ps2.c b/hw/ps2.c
index f0b206a..886da37 100644
--- a/hw/ps2.c
+++ b/hw/ps2.c
@@ -596,7 +596,7 @@ void *ps2_kbd_init(void (*update_irq)(void *, int), void
*update_arg)
s->common.update_arg = update_arg;
s->scancode_set = 2;
vmstate_register(0, &vmstate_ps2_keyboard, s);
- qemu_add_kbd_event_handler(ps2_put_keycode, s);
+ qemu_add_kbd_event_handler(ps2_put_keycode, s, "QEMU PS/2 Keyboard");
qemu_register_reset(ps2_kbd_reset, s);
return s;
}
diff --git a/hw/pxa2xx_keypad.c b/hw/pxa2xx_keypad.c
index 060df58..2b75351 100644
--- a/hw/pxa2xx_keypad.c
+++ b/hw/pxa2xx_keypad.c
@@ -332,5 +332,6 @@ void pxa27x_register_keypad(PXA2xxKeyPadState *kp, struct
keymap *map,
}
kp->map = map;
- qemu_add_kbd_event_handler((QEMUPutKBDEvent *) pxa27x_keyboard_event, kp);
+ qemu_add_kbd_event_handler((QEMUPutKBDEvent *) pxa27x_keyboard_event, kp,
+ "PXA keypad");
}
diff --git a/hw/spitz.c b/hw/spitz.c
index 564519b..b1c0af0 100644
--- a/hw/spitz.c
+++ b/hw/spitz.c
@@ -506,7 +506,8 @@ static void spitz_keyboard_register(PXA2xxState *cpu)
pxa2xx_gpio_out_set(cpu->gpio, spitz_gpio_key_strobe[i], s->strobe[i]);
spitz_keyboard_pre_map(s);
- qemu_add_kbd_event_handler((QEMUPutKBDEvent *) spitz_keyboard_handler, s);
+ qemu_add_kbd_event_handler((QEMUPutKBDEvent *) spitz_keyboard_handler, s,
+ "Spitz keyboard");
register_savevm("spitz_keyboard", 0, 0,
spitz_keyboard_save, spitz_keyboard_load, s);
diff --git a/hw/stellaris_input.c b/hw/stellaris_input.c
index 33395a4..775cb46 100644
--- a/hw/stellaris_input.c
+++ b/hw/stellaris_input.c
@@ -85,7 +85,7 @@ void stellaris_gamepad_init(int n, qemu_irq *irq, const int
*keycode)
s->buttons[i].keycode = keycode[i];
}
s->num_buttons = n;
- qemu_add_kbd_event_handler(stellaris_gamepad_put_key, s);
+ qemu_add_kbd_event_handler(stellaris_gamepad_put_key, s, "Stellaris
Gamepad");
register_savevm("stellaris_gamepad", -1, 1,
stellaris_gamepad_save, stellaris_gamepad_load, s);
}
diff --git a/hw/syborg_keyboard.c b/hw/syborg_keyboard.c
index 4a562f8..d1651b4 100644
--- a/hw/syborg_keyboard.c
+++ b/hw/syborg_keyboard.c
@@ -218,7 +218,7 @@ static int syborg_keyboard_init(SysBusDevice *dev)
}
s->key_fifo = qemu_mallocz(s->fifo_size * sizeof(s->key_fifo[0]));
- qemu_add_kbd_event_handler(syborg_keyboard_event, s);
+ qemu_add_kbd_event_handler(syborg_keyboard_event, s, "Syborg Keyboard");
register_savevm("syborg_keyboard", -1, 1,
syborg_keyboard_save, syborg_keyboard_load, s);
diff --git a/hw/usb-hid.c b/hw/usb-hid.c
index 8e6c6e0..dbab5d3 100644
--- a/hw/usb-hid.c
+++ b/hw/usb-hid.c
@@ -55,6 +55,7 @@ typedef struct USBKeyboardState {
uint8_t leds;
uint8_t key[16];
int keys;
+ QEMUPutKbdEntry *eh_entry;
} USBKeyboardState;
typedef struct USBHIDState {
@@ -633,7 +634,8 @@ static void usb_keyboard_handle_reset(USBDevice *dev)
{
USBHIDState *s = (USBHIDState *)dev;
- qemu_add_kbd_event_handler(usb_keyboard_event, s);
+ s->kbd.eh_entry = qemu_add_kbd_event_handler(usb_keyboard_event, s,
+ dev->product_desc);
s->protocol = 1;
}
@@ -854,9 +856,11 @@ static void usb_hid_handle_destroy(USBDevice *dev)
{
USBHIDState *s = (USBHIDState *)dev;
- if (s->kind != USB_KEYBOARD)
+ if (s->kind != USB_KEYBOARD) {
qemu_remove_mouse_event_handler(s->ptr.eh_entry);
- /* TODO: else */
+ } else {
+ qemu_remove_kbd_event_handler(s->kbd.eh_entry);
+ }
}
static int usb_hid_initfn(USBDevice *dev, int kind)
diff --git a/hw/xenfb.c b/hw/xenfb.c
index 422cd53..0c1d1ec 100644
--- a/hw/xenfb.c
+++ b/hw/xenfb.c
@@ -68,6 +68,7 @@ struct XenInput {
int button_state; /* Last seen pointer button state */
int extended;
QEMUPutMouseEntry *qmouse;
+ QEMUPutKbdEntry *qkbd;
};
#define UP_QUEUE 8
@@ -373,7 +374,7 @@ static int input_connect(struct XenDevice *xendev)
if (rc != 0)
return rc;
- qemu_add_kbd_event_handler(xenfb_key_event, in);
+ in->qkbd = qemu_add_kbd_event_handler(xenfb_key_event, in, "Xen Keyboard");
in->qmouse = qemu_add_mouse_event_handler(xenfb_mouse_event, in,
in->abs_pointer_wanted,
"Xen PVFB Mouse");
@@ -388,7 +389,7 @@ static void input_disconnect(struct XenDevice *xendev)
qemu_remove_mouse_event_handler(in->qmouse);
in->qmouse = NULL;
}
- qemu_add_kbd_event_handler(NULL, NULL);
+ qemu_remove_kbd_event_handler(in->qkbd);
common_unbind(&in->c);
}
diff --git a/input.c b/input.c
index 8f0941e..18875a9 100644
--- a/input.c
+++ b/input.c
@@ -28,20 +28,14 @@
#include "console.h"
#include "qjson.h"
-static QEMUPutKBDEvent *qemu_put_kbd_event;
-static void *qemu_put_kbd_event_opaque;
+static QTAILQ_HEAD(, QEMUPutKbdEntry) kbd_handlers =
+ QTAILQ_HEAD_INITIALIZER(kbd_handlers);
static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers =
QTAILQ_HEAD_INITIALIZER(led_handlers);
static QTAILQ_HEAD(, QEMUPutMouseEntry) mouse_handlers =
QTAILQ_HEAD_INITIALIZER(mouse_handlers);
static NotifierList mouse_mode_notifiers =
NOTIFIER_LIST_INITIALIZER(mouse_mode_notifiers);
-void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
-{
- qemu_put_kbd_event_opaque = opaque;
- qemu_put_kbd_event = func;
-}
-
static void check_mode_change(void)
{
static int current_is_absolute, current_has_absolute;
@@ -60,6 +54,38 @@ static void check_mode_change(void)
current_has_absolute = has_absolute;
}
+QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func,
+ void *opaque,
+ const char *name)
+{
+ static int index = 0;
+ QEMUPutKbdEntry *s, *cursor;
+
+ QTAILQ_FOREACH(cursor, &kbd_handlers, node) {
+ if (cursor->qemu_put_kbd_event == func &&
+ cursor->qemu_put_kbd_event_opaque == opaque) {
+ return cursor;
+ }
+ }
+
+ s = qemu_mallocz(sizeof(QEMUPutKbdEntry));
+
+ s->qemu_put_kbd_event_opaque = opaque;
+ s->qemu_put_kbd_event = func;
+ s->qemu_put_kbd_name = qemu_strdup(name);
+ s->index = index++;
+
+ QTAILQ_INSERT_TAIL(&kbd_handlers, s, node);
+
+ return s;
+}
+
+void qemu_remove_kbd_event_handler(QEMUPutKbdEntry *entry)
+{
+ QTAILQ_REMOVE(&kbd_handlers, entry, node);
+ qemu_free(entry);
+}
+
QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
void *opaque, int absolute,
const char *name)
@@ -123,9 +149,14 @@ void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
void kbd_put_keycode(int keycode)
{
- if (qemu_put_kbd_event) {
- qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
+ QEMUPutKbdEntry *entry;
+
+ if (QTAILQ_EMPTY(&kbd_handlers)) {
+ return;
}
+
+ entry = QTAILQ_FIRST(&kbd_handlers);
+ entry->qemu_put_kbd_event(entry->qemu_put_kbd_event_opaque, keycode);
}
void kbd_put_ledstate(int ledstate)
--
1.6.3.3
