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authorAnthony Liguori <aliguori@us.ibm.com>2011-08-04 17:10:36 -0500
committerAnthony Liguori <aliguori@us.ibm.com>2011-08-04 17:10:36 -0500
commit5df0a2a5ba54114afb2bf75cab9fb184020a46a8 (patch)
tree40565e20dad22056e9d33b09c46d7f009b9acde3 /hw
parent47bf05d7eb550905c635724ce72f855fb4e10b3d (diff)
parentfb8f4ceeb837a7410e018619daae6bc821060503 (diff)
Merge remote-tracking branch 'kraxel/usb.22' into staging
Diffstat (limited to 'hw')
-rw-r--r--hw/bt-hid.c62
-rw-r--r--hw/hid.c403
-rw-r--r--hw/hid.h58
-rw-r--r--hw/milkymist-softusb.c8
-rw-r--r--hw/usb-bt.c31
-rw-r--r--hw/usb-ccid.c46
-rw-r--r--hw/usb-ehci.c162
-rw-r--r--hw/usb-hid.c519
-rw-r--r--hw/usb-hub.c8
-rw-r--r--hw/usb-libhw.c63
-rw-r--r--hw/usb-msd.c109
-rw-r--r--hw/usb-musb.c22
-rw-r--r--hw/usb-net.c65
-rw-r--r--hw/usb-ohci.c23
-rw-r--r--hw/usb-serial.c26
-rw-r--r--hw/usb-uhci.c51
-rw-r--r--hw/usb-wacom.c6
-rw-r--r--hw/usb.c86
-rw-r--r--hw/usb.h13
19 files changed, 959 insertions, 802 deletions
diff --git a/hw/bt-hid.c b/hw/bt-hid.c
index 09120af074..5f1afe3e89 100644
--- a/hw/bt-hid.c
+++ b/hw/bt-hid.c
@@ -19,7 +19,9 @@
*/
#include "qemu-common.h"
-#include "usb.h"
+#include "qemu-timer.h"
+#include "console.h"
+#include "hid.h"
#include "bt.h"
enum hid_transaction_req {
@@ -86,7 +88,7 @@ struct bt_hid_device_s {
struct bt_l2cap_device_s btdev;
struct bt_l2cap_conn_params_s *control;
struct bt_l2cap_conn_params_s *interrupt;
- USBDevice *usbdev;
+ HIDState hid;
int proto;
int connected;
@@ -111,7 +113,7 @@ static void bt_hid_reset(struct bt_hid_device_s *s)
bt_l2cap_device_done(&s->btdev);
bt_l2cap_device_init(&s->btdev, net);
- s->usbdev->info->handle_reset(s->usbdev);
+ hid_reset(&s->hid);
s->proto = BT_HID_PROTO_REPORT;
s->state = bt_state_ready;
s->dataother.len = 0;
@@ -124,23 +126,16 @@ static void bt_hid_reset(struct bt_hid_device_s *s)
static int bt_hid_out(struct bt_hid_device_s *s)
{
- USBPacket p;
-
if (s->data_type == BT_DATA_OUTPUT) {
- p.pid = USB_TOKEN_OUT;
- p.devep = 1;
- p.data = s->dataout.buffer;
- p.len = s->dataout.len;
- s->dataout.len = s->usbdev->info->handle_data(s->usbdev, &p);
-
- return s->dataout.len;
+ /* nothing */
+ ;
}
if (s->data_type == BT_DATA_FEATURE) {
/* XXX:
* does this send a USB_REQ_CLEAR_FEATURE/USB_REQ_SET_FEATURE
* or a SET_REPORT? */
- p.devep = 0;
+ ;
}
return -1;
@@ -148,14 +143,8 @@ static int bt_hid_out(struct bt_hid_device_s *s)
static int bt_hid_in(struct bt_hid_device_s *s)
{
- USBPacket p;
-
- p.pid = USB_TOKEN_IN;
- p.devep = 1;
- p.data = s->datain.buffer;
- p.len = sizeof(s->datain.buffer);
- s->datain.len = s->usbdev->info->handle_data(s->usbdev, &p);
-
+ s->datain.len = hid_keyboard_poll(&s->hid, s->datain.buffer,
+ sizeof(s->datain.buffer));
return s->datain.len;
}
@@ -323,8 +312,7 @@ static void bt_hid_control_transaction(struct bt_hid_device_s *s,
break;
}
s->proto = parameter;
- s->usbdev->info->handle_control(s->usbdev, NULL, SET_PROTOCOL, s->proto, 0, 0,
- NULL);
+ s->hid.protocol = parameter;
ret = BT_HS_SUCCESSFUL;
break;
@@ -333,8 +321,7 @@ static void bt_hid_control_transaction(struct bt_hid_device_s *s,
ret = BT_HS_ERR_INVALID_PARAMETER;
break;
}
- s->usbdev->info->handle_control(s->usbdev, NULL, GET_IDLE, 0, 0, 1,
- s->control->sdu_out(s->control, 1));
+ *s->control->sdu_out(s->control, 1) = s->hid.idle;
s->control->sdu_submit(s->control);
break;
@@ -344,11 +331,7 @@ static void bt_hid_control_transaction(struct bt_hid_device_s *s,
break;
}
- /* We don't need to know about the Idle Rate here really,
- * so just pass it on to the device. */
- ret = s->usbdev->info->handle_control(s->usbdev, NULL,
- SET_IDLE, data[1], 0, 0, NULL) ?
- BT_HS_SUCCESSFUL : BT_HS_ERR_INVALID_PARAMETER;
+ s->hid.idle = data[1];
/* XXX: Does this generate a handshake? */
break;
@@ -385,9 +368,10 @@ static void bt_hid_control_sdu(void *opaque, const uint8_t *data, int len)
bt_hid_control_transaction(hid, data, len);
}
-static void bt_hid_datain(void *opaque)
+static void bt_hid_datain(HIDState *hs)
{
- struct bt_hid_device_s *hid = opaque;
+ struct bt_hid_device_s *hid =
+ container_of(hs, struct bt_hid_device_s, hid);
/* If suspended, wake-up and send a wake-up event first. We might
* want to also inspect the input report and ignore event like
@@ -450,7 +434,7 @@ static void bt_hid_connected_update(struct bt_hid_device_s *hid)
hid->btdev.device.inquiry_scan = !hid->connected;
if (hid->connected && !prev) {
- hid->usbdev->info->handle_reset(hid->usbdev);
+ hid_reset(&hid->hid);
hid->proto = BT_HID_PROTO_REPORT;
}
@@ -518,7 +502,7 @@ static void bt_hid_destroy(struct bt_device_s *dev)
bt_hid_send_control(hid, BT_HC_VIRTUAL_CABLE_UNPLUG);
bt_l2cap_device_done(&hid->btdev);
- hid->usbdev->info->handle_destroy(hid->usbdev);
+ hid_free(&hid->hid);
qemu_free(hid);
}
@@ -531,7 +515,7 @@ enum peripheral_minor_class {
};
static struct bt_device_s *bt_hid_init(struct bt_scatternet_s *net,
- USBDevice *dev, enum peripheral_minor_class minor)
+ enum peripheral_minor_class minor)
{
struct bt_hid_device_s *s = qemu_mallocz(sizeof(*s));
uint32_t class =
@@ -551,9 +535,8 @@ static struct bt_device_s *bt_hid_init(struct bt_scatternet_s *net,
bt_l2cap_psm_register(&s->btdev, BT_PSM_HID_INTR,
BT_HID_MTU, bt_hid_new_interrupt_ch);
- s->usbdev = dev;
- s->btdev.device.lmp_name = s->usbdev->product_desc;
- usb_hid_datain_cb(s->usbdev, s, bt_hid_datain);
+ hid_init(&s->hid, HID_KEYBOARD, bt_hid_datain);
+ s->btdev.device.lmp_name = "BT Keyboard";
s->btdev.device.handle_destroy = bt_hid_destroy;
@@ -566,6 +549,5 @@ static struct bt_device_s *bt_hid_init(struct bt_scatternet_s *net,
struct bt_device_s *bt_keyboard_init(struct bt_scatternet_s *net)
{
- USBDevice *dev = usb_create_simple(NULL /* FIXME */, "usb-kbd");
- return bt_hid_init(net, dev, class_keyboard);
+ return bt_hid_init(net, class_keyboard);
}
diff --git a/hw/hid.c b/hw/hid.c
new file mode 100644
index 0000000000..7b5ef5fc92
--- /dev/null
+++ b/hw/hid.c
@@ -0,0 +1,403 @@
+/*
+ * QEMU HID devices
+ *
+ * Copyright (c) 2005 Fabrice Bellard
+ * Copyright (c) 2007 OpenMoko, Inc. (andrew@openedhand.com)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "hw.h"
+#include "console.h"
+#include "qemu-timer.h"
+#include "hid.h"
+
+#define HID_USAGE_ERROR_ROLLOVER 0x01
+#define HID_USAGE_POSTFAIL 0x02
+#define HID_USAGE_ERROR_UNDEFINED 0x03
+
+/* Indices are QEMU keycodes, values are from HID Usage Table. Indices
+ * above 0x80 are for keys that come after 0xe0 or 0xe1+0x1d or 0xe1+0x9d. */
+static const uint8_t hid_usage_keys[0x100] = {
+ 0x00, 0x29, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
+ 0x24, 0x25, 0x26, 0x27, 0x2d, 0x2e, 0x2a, 0x2b,
+ 0x14, 0x1a, 0x08, 0x15, 0x17, 0x1c, 0x18, 0x0c,
+ 0x12, 0x13, 0x2f, 0x30, 0x28, 0xe0, 0x04, 0x16,
+ 0x07, 0x09, 0x0a, 0x0b, 0x0d, 0x0e, 0x0f, 0x33,
+ 0x34, 0x35, 0xe1, 0x31, 0x1d, 0x1b, 0x06, 0x19,
+ 0x05, 0x11, 0x10, 0x36, 0x37, 0x38, 0xe5, 0x55,
+ 0xe2, 0x2c, 0x32, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e,
+ 0x3f, 0x40, 0x41, 0x42, 0x43, 0x53, 0x47, 0x5f,
+ 0x60, 0x61, 0x56, 0x5c, 0x5d, 0x5e, 0x57, 0x59,
+ 0x5a, 0x5b, 0x62, 0x63, 0x00, 0x00, 0x00, 0x44,
+ 0x45, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e,
+ 0xe8, 0xe9, 0x71, 0x72, 0x73, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x85, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65,
+
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x58, 0xe4, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x00, 0x46,
+ 0xe6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x00, 0x4a,
+ 0x52, 0x4b, 0x00, 0x50, 0x00, 0x4f, 0x00, 0x4d,
+ 0x51, 0x4e, 0x49, 0x4c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+bool hid_has_events(HIDState *hs)
+{
+ return hs->n > 0;
+}
+
+void hid_set_next_idle(HIDState *hs, int64_t curtime)
+{
+ hs->next_idle_clock = curtime + (get_ticks_per_sec() * hs->idle * 4) / 1000;
+}
+
+static void hid_pointer_event_clear(HIDPointerEvent *e, int buttons)
+{
+ e->xdx = e->ydy = e->dz = 0;
+ e->buttons_state = buttons;
+}
+
+static void hid_pointer_event_combine(HIDPointerEvent *e, int xyrel,
+ int x1, int y1, int z1) {
+ if (xyrel) {
+ e->xdx += x1;
+ e->ydy += y1;
+ } else {
+ e->xdx = x1;
+ e->ydy = y1;
+ /* Windows drivers do not like the 0/0 position and ignore such
+ * events. */
+ if (!(x1 | y1)) {
+ x1 = 1;
+ }
+ }
+ e->dz += z1;
+}
+
+static void hid_pointer_event(void *opaque,
+ int x1, int y1, int z1, int buttons_state)
+{
+ HIDState *hs = opaque;
+ unsigned use_slot = (hs->head + hs->n - 1) & QUEUE_MASK;
+ unsigned previous_slot = (use_slot - 1) & QUEUE_MASK;
+
+ /* We combine events where feasible to keep the queue small. We shouldn't
+ * combine anything with the first event of a particular button state, as
+ * that would change the location of the button state change. When the
+ * queue is empty, a second event is needed because we don't know if
+ * the first event changed the button state. */
+ if (hs->n == QUEUE_LENGTH) {
+ /* Queue full. Discard old button state, combine motion normally. */
+ hs->ptr.queue[use_slot].buttons_state = buttons_state;
+ } else if (hs->n < 2 ||
+ hs->ptr.queue[use_slot].buttons_state != buttons_state ||
+ hs->ptr.queue[previous_slot].buttons_state !=
+ hs->ptr.queue[use_slot].buttons_state) {
+ /* Cannot or should not combine, so add an empty item to the queue. */
+ QUEUE_INCR(use_slot);
+ hs->n++;
+ hid_pointer_event_clear(&hs->ptr.queue[use_slot], buttons_state);
+ }
+ hid_pointer_event_combine(&hs->ptr.queue[use_slot],
+ hs->kind == HID_MOUSE,
+ x1, y1, z1);
+ hs->event(hs);
+}
+
+static void hid_keyboard_event(void *opaque, int keycode)
+{
+ HIDState *hs = opaque;
+ int slot;
+
+ if (hs->n == QUEUE_LENGTH) {
+ fprintf(stderr, "usb-kbd: warning: key event queue full\n");
+ return;
+ }
+ slot = (hs->head + hs->n) & QUEUE_MASK; hs->n++;
+ hs->kbd.keycodes[slot] = keycode;
+ hs->event(hs);
+}
+
+static void hid_keyboard_process_keycode(HIDState *hs)
+{
+ uint8_t hid_code, key;
+ int i, keycode, slot;
+
+ if (hs->n == 0) {
+ return;
+ }
+ slot = hs->head & QUEUE_MASK; QUEUE_INCR(hs->head); hs->n--;
+ keycode = hs->kbd.keycodes[slot];
+
+ key = keycode & 0x7f;
+ hid_code = hid_usage_keys[key | ((hs->kbd.modifiers >> 1) & (1 << 7))];
+ hs->kbd.modifiers &= ~(1 << 8);
+
+ switch (hid_code) {
+ case 0x00:
+ return;
+
+ case 0xe0:
+ if (hs->kbd.modifiers & (1 << 9)) {
+ hs->kbd.modifiers ^= 3 << 8;
+ return;
+ }
+ case 0xe1 ... 0xe7:
+ if (keycode & (1 << 7)) {
+ hs->kbd.modifiers &= ~(1 << (hid_code & 0x0f));
+ return;
+ }
+ case 0xe8 ... 0xef:
+ hs->kbd.modifiers |= 1 << (hid_code & 0x0f);
+ return;
+ }
+
+ if (keycode & (1 << 7)) {
+ for (i = hs->kbd.keys - 1; i >= 0; i--) {
+ if (hs->kbd.key[i] == hid_code) {
+ hs->kbd.key[i] = hs->kbd.key[-- hs->kbd.keys];
+ hs->kbd.key[hs->kbd.keys] = 0x00;
+ break;
+ }
+ }
+ if (i < 0) {
+ return;
+ }
+ } else {
+ for (i = hs->kbd.keys - 1; i >= 0; i--) {
+ if (hs->kbd.key[i] == hid_code) {
+ break;
+ }
+ }
+ if (i < 0) {
+ if (hs->kbd.keys < sizeof(hs->kbd.key)) {
+ hs->kbd.key[hs->kbd.keys++] = hid_code;
+ }
+ } else {
+ return;
+ }
+ }
+}
+
+static inline int int_clamp(int val, int vmin, int vmax)
+{
+ if (val < vmin) {
+ return vmin;
+ } else if (val > vmax) {
+ return vmax;
+ } else {
+ return val;
+ }
+}
+
+int hid_pointer_poll(HIDState *hs, uint8_t *buf, int len)
+{
+ int dx, dy, dz, b, l;
+ int index;
+ HIDPointerEvent *e;
+
+ if (!hs->ptr.mouse_grabbed) {
+ qemu_activate_mouse_event_handler(hs->ptr.eh_entry);
+ hs->ptr.mouse_grabbed = 1;
+ }
+
+ /* When the buffer is empty, return the last event. Relative
+ movements will all be zero. */
+ index = (hs->n ? hs->head : hs->head - 1);
+ e = &hs->ptr.queue[index & QUEUE_MASK];
+
+ if (hs->kind == HID_MOUSE) {
+ dx = int_clamp(e->xdx, -127, 127);
+ dy = int_clamp(e->ydy, -127, 127);
+ e->xdx -= dx;
+ e->ydy -= dy;
+ } else {
+ dx = e->xdx;
+ dy = e->ydy;
+ }
+ dz = int_clamp(e->dz, -127, 127);
+ e->dz -= dz;
+
+ b = 0;
+ if (e->buttons_state & MOUSE_EVENT_LBUTTON) {
+ b |= 0x01;
+ }
+ if (e->buttons_state & MOUSE_EVENT_RBUTTON) {
+ b |= 0x02;
+ }
+ if (e->buttons_state & MOUSE_EVENT_MBUTTON) {
+ b |= 0x04;
+ }
+
+ if (hs->n &&
+ !e->dz &&
+ (hs->kind == HID_TABLET || (!e->xdx && !e->ydy))) {
+ /* that deals with this event */
+ QUEUE_INCR(hs->head);
+ hs->n--;
+ }
+
+ /* Appears we have to invert the wheel direction */
+ dz = 0 - dz;
+ l = 0;
+ switch (hs->kind) {
+ case HID_MOUSE:
+ if (len > l) {
+ buf[l++] = b;
+ }
+ if (len > l) {
+ buf[l++] = dx;
+ }
+ if (len > l) {
+ buf[l++] = dy;
+ }
+ if (len > l) {
+ buf[l++] = dz;
+ }
+ break;
+
+ case HID_TABLET:
+ if (len > l) {
+ buf[l++] = b;
+ }
+ if (len > l) {
+ buf[l++] = dx & 0xff;
+ }
+ if (len > l) {
+ buf[l++] = dx >> 8;
+ }
+ if (len > l) {
+ buf[l++] = dy & 0xff;
+ }
+ if (len > l) {
+ buf[l++] = dy >> 8;
+ }
+ if (len > l) {
+ buf[l++] = dz;
+ }
+ break;
+
+ default:
+ abort();
+ }
+
+ return l;
+}
+
+int hid_keyboard_poll(HIDState *hs, uint8_t *buf, int len)
+{
+ if (len < 2) {
+ return 0;
+ }
+
+ hid_keyboard_process_keycode(hs);
+
+ buf[0] = hs->kbd.modifiers & 0xff;
+ buf[1] = 0;
+ if (hs->kbd.keys > 6) {
+ memset(buf + 2, HID_USAGE_ERROR_ROLLOVER, MIN(8, len) - 2);
+ } else {
+ memcpy(buf + 2, hs->kbd.key, MIN(8, len) - 2);
+ }
+
+ return MIN(8, len);
+}
+
+int hid_keyboard_write(HIDState *hs, uint8_t *buf, int len)
+{
+ if (len > 0) {
+ int ledstate = 0;
+ /* 0x01: Num Lock LED
+ * 0x02: Caps Lock LED
+ * 0x04: Scroll Lock LED
+ * 0x08: Compose LED
+ * 0x10: Kana LED */
+ hs->kbd.leds = buf[0];
+ if (hs->kbd.leds & 0x04) {
+ ledstate |= QEMU_SCROLL_LOCK_LED;
+ }
+ if (hs->kbd.leds & 0x01) {
+ ledstate |= QEMU_NUM_LOCK_LED;
+ }
+ if (hs->kbd.leds & 0x02) {
+ ledstate |= QEMU_CAPS_LOCK_LED;
+ }
+ kbd_put_ledstate(ledstate);
+ }
+ return 0;
+}
+
+void hid_reset(HIDState *hs)
+{
+ switch (hs->kind) {
+ case HID_KEYBOARD:
+ qemu_add_kbd_event_handler(hid_keyboard_event, hs);
+ memset(hs->kbd.keycodes, 0, sizeof(hs->kbd.keycodes));
+ memset(hs->kbd.key, 0, sizeof(hs->kbd.key));
+ hs->kbd.keys = 0;
+ break;
+ case HID_MOUSE:
+ case HID_TABLET:
+ memset(hs->ptr.queue, 0, sizeof(hs->ptr.queue));
+ break;
+ }
+ hs->head = 0;
+ hs->n = 0;
+ hs->protocol = 1;
+ hs->idle = 0;
+}
+
+void hid_free(HIDState *hs)
+{
+ switch (hs->kind) {
+ case HID_KEYBOARD:
+ qemu_remove_kbd_event_handler();
+ break;
+ case HID_MOUSE:
+ case HID_TABLET:
+ qemu_remove_mouse_event_handler(hs->ptr.eh_entry);
+ break;
+ }
+}
+
+void hid_init(HIDState *hs, int kind, HIDEventFunc event)
+{
+ hs->kind = kind;
+ hs->event = event;
+
+ if (hs->kind == HID_MOUSE) {
+ hs->ptr.eh_entry = qemu_add_mouse_event_handler(hid_pointer_event, hs,
+ 0, "QEMU HID Mouse");
+ } else if (hs->kind == HID_TABLET) {
+ hs->ptr.eh_entry = qemu_add_mouse_event_handler(hid_pointer_event, hs,
+ 1, "QEMU HID Tablet");
+ }
+}
diff --git a/hw/hid.h b/hw/hid.h
new file mode 100644
index 0000000000..4a8fa5b63f
--- /dev/null
+++ b/hw/hid.h
@@ -0,0 +1,58 @@
+#ifndef QEMU_HID_H
+#define QEMU_HID_H
+
+#define HID_MOUSE 1
+#define HID_TABLET 2
+#define HID_KEYBOARD 3
+
+typedef struct HIDPointerEvent {
+ int32_t xdx, ydy; /* relative iff it's a mouse, otherwise absolute */
+ int32_t dz, buttons_state;
+} HIDPointerEvent;
+
+#define QUEUE_LENGTH 16 /* should be enough for a triple-click */
+#define QUEUE_MASK (QUEUE_LENGTH-1u)
+#define QUEUE_INCR(v) ((v)++, (v) &= QUEUE_MASK)
+
+typedef struct HIDState HIDState;
+typedef void (*HIDEventFunc)(HIDState *s);
+
+typedef struct HIDMouseState {
+ HIDPointerEvent queue[QUEUE_LENGTH];
+ int mouse_grabbed;
+ QEMUPutMouseEntry *eh_entry;
+} HIDMouseState;
+
+typedef struct HIDKeyboardState {
+ uint32_t keycodes[QUEUE_LENGTH];
+ uint16_t modifiers;
+ uint8_t leds;
+ uint8_t key[16];
+ int32_t keys;
+} HIDKeyboardState;
+
+struct HIDState {
+ union {
+ HIDMouseState ptr;
+ HIDKeyboardState kbd;
+ };
+ uint32_t head; /* index into circular queue */
+ uint32_t n;
+ int kind;
+ int32_t protocol;
+ uint8_t idle;
+ int64_t next_idle_clock;
+ HIDEventFunc event;
+};
+
+void hid_init(HIDState *hs, int kind, HIDEventFunc event);
+void hid_reset(HIDState *hs);
+void hid_free(HIDState *hs);
+
+bool hid_has_events(HIDState *hs);
+void hid_set_next_idle(HIDState *hs, int64_t curtime);
+int hid_pointer_poll(HIDState *hs, uint8_t *buf, int len);
+int hid_keyboard_poll(HIDState *hs, uint8_t *buf, int len);
+int hid_keyboard_write(HIDState *hs, uint8_t *buf, int len);
+
+#endif /* QEMU_HID_H */
diff --git a/hw/milkymist-softusb.c b/hw/milkymist-softusb.c
index abf7b59acd..75c85aeb6f 100644
--- a/hw/milkymist-softusb.c
+++ b/hw/milkymist-softusb.c
@@ -234,11 +234,11 @@ static void softusb_usbdev_datain(void *opaque)
USBPacket p;
- p.pid = USB_TOKEN_IN;
- p.devep = 1;
- p.data = s->kbd_usb_buffer;
- p.len = sizeof(s->kbd_usb_buffer);
+ usb_packet_init(&p);
+ usb_packet_setup(&p, USB_TOKEN_IN, 0, 1);
+ usb_packet_addbuf(&p, s->kbd_usb_buffer, sizeof(s->kbd_usb_buffer));
s->usbdev->info->handle_data(s->usbdev, &p);
+ usb_packet_cleanup(&p);
softusb_kbd_changed(s);
}
diff --git a/hw/usb-bt.c b/hw/usb-bt.c
index 4557802bbc..529fa3355d 100644
--- a/hw/usb-bt.c
+++ b/hw/usb-bt.c
@@ -294,9 +294,9 @@ static inline int usb_bt_fifo_dequeue(struct usb_hci_in_fifo_s *fifo,
if (likely(!fifo->len))
return USB_RET_STALL;
- len = MIN(p->len, fifo->fifo[fifo->start].len);
- memcpy(p->data, fifo->fifo[fifo->start].data, len);
- if (len == p->len) {
+ len = MIN(p->iov.size, fifo->fifo[fifo->start].len);
+ usb_packet_copy(p, fifo->fifo[fifo->start].data, len);
+ if (len == p->iov.size) {
fifo->fifo[fifo->start].len -= len;
fifo->fifo[fifo->start].data += len;
} else {
@@ -319,20 +319,13 @@ static inline void usb_bt_fifo_out_enqueue(struct USBBtState *s,
struct usb_hci_out_fifo_s *fifo,
void (*send)(struct HCIInfo *, const uint8_t *, int),
int (*complete)(const uint8_t *, int),
- const uint8_t *data, int len)
+ USBPacket *p)
{
- if (fifo->len) {
- memcpy(fifo->data + fifo->len, data, len);
- fifo->len += len;
- if (complete(fifo->data, fifo->len)) {
- send(s->hci, fifo->data, fifo->len);
- fifo->len = 0;
- }
- } else if (complete(data, len))
- send(s->hci, data, len);
- else {
- memcpy(fifo->data, data, len);
- fifo->len = len;
+ usb_packet_copy(p, fifo->data + fifo->len, p->iov.size);
+ fifo->len += p->iov.size;
+ if (complete(fifo->data, fifo->len)) {
+ send(s->hci, fifo->data, fifo->len);
+ fifo->len = 0;
}
/* TODO: do we need to loop? */
@@ -432,7 +425,7 @@ static int usb_bt_handle_control(USBDevice *dev, USBPacket *p,
case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_DEVICE) << 8):
if (s->config)
usb_bt_fifo_out_enqueue(s, &s->outcmd, s->hci->cmd_send,
- usb_bt_hci_cmd_complete, data, length);
+ usb_bt_hci_cmd_complete, p);
break;
default:
fail:
@@ -474,12 +467,12 @@ static int usb_bt_handle_data(USBDevice *dev, USBPacket *p)
switch (p->devep & 0xf) {
case USB_ACL_EP:
usb_bt_fifo_out_enqueue(s, &s->outacl, s->hci->acl_send,
- usb_bt_hci_acl_complete, p->data, p->len);
+ usb_bt_hci_acl_complete, p);
break;
case USB_SCO_EP:
usb_bt_fifo_out_enqueue(s, &s->outsco, s->hci->sco_send,
- usb_bt_hci_sco_complete, p->data, p->len);
+ usb_bt_hci_sco_complete, p);
break;
default:
diff --git a/hw/usb-ccid.c b/hw/usb-ccid.c
index 4dda2c4833..66aeb211af 100644
--- a/hw/usb-ccid.c
+++ b/hw/usb-ccid.c
@@ -934,16 +934,16 @@ static int ccid_handle_bulk_out(USBCCIDState *s, USBPacket *p)
{
CCID_Header *ccid_header;
- if (p->len + s->bulk_out_pos > BULK_OUT_DATA_SIZE) {
+ if (p->iov.size + s->bulk_out_pos > BULK_OUT_DATA_SIZE) {
return USB_RET_STALL;
}
ccid_header = (CCID_Header *)s->bulk_out_data;
- memcpy(s->bulk_out_data + s->bulk_out_pos, p->data, p->len);
- s->bulk_out_pos += p->len;
- if (p->len == CCID_MAX_PACKET_SIZE) {
+ usb_packet_copy(p, s->bulk_out_data + s->bulk_out_pos, p->iov.size);
+ s->bulk_out_pos += p->iov.size;
+ if (p->iov.size == CCID_MAX_PACKET_SIZE) {
DPRINTF(s, D_VERBOSE,
- "usb-ccid: bulk_in: expecting more packets (%d/%d)\n",
- p->len, ccid_header->dwLength);
+ "usb-ccid: bulk_in: expecting more packets (%zd/%d)\n",
+ p->iov.size, ccid_header->dwLength);
return 0;
}
if (s->bulk_out_pos < 10) {
@@ -1006,15 +1006,17 @@ static int ccid_handle_bulk_out(USBCCIDState *s, USBPacket *p)
return 0;
}
-static int ccid_bulk_in_copy_to_guest(USBCCIDState *s, uint8_t *data, int len)
+static int ccid_bulk_in_copy_to_guest(USBCCIDState *s, USBPacket *p)
{
int ret = 0;
- assert(len > 0);
+ assert(p->iov.size > 0);
ccid_bulk_in_get(s);
if (s->current_bulk_in != NULL) {
- ret = MIN(s->current_bulk_in->len - s->current_bulk_in->pos, len);
- memcpy(data, s->current_bulk_in->data + s->current_bulk_in->pos, ret);
+ ret = MIN(s->current_bulk_in->len - s->current_bulk_in->pos,
+ p->iov.size);
+ usb_packet_copy(p, s->current_bulk_in->data +
+ s->current_bulk_in->pos, ret);
s->current_bulk_in->pos += ret;
if (s->current_bulk_in->pos == s->current_bulk_in->len) {
ccid_bulk_in_release(s);
@@ -1025,11 +1027,13 @@ static int ccid_bulk_in_copy_to_guest(USBCCIDState *s, uint8_t *data, int len)
}
if (ret > 0) {
DPRINTF(s, D_MORE_INFO,
- "%s: %d/%d req/act to guest (BULK_IN)\n", __func__, len, ret);
+ "%s: %zd/%d req/act to guest (BULK_IN)\n",
+ __func__, p->iov.size, ret);
}
- if (ret != USB_RET_NAK && ret < len) {
+ if (ret != USB_RET_NAK && ret < p->iov.size) {
DPRINTF(s, 1,
- "%s: returning short (EREMOTEIO) %d < %d\n", __func__, ret, len);
+ "%s: returning short (EREMOTEIO) %d < %zd\n",
+ __func__, ret, p->iov.size);
}
return ret;
}
@@ -1038,8 +1042,7 @@ static int ccid_handle_data(USBDevice *dev, USBPacket *p)
{
USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
int ret = 0;
- uint8_t *data = p->data;
- int len = p->len;
+ uint8_t buf[2];
switch (p->pid) {
case USB_TOKEN_OUT:
@@ -1049,24 +1052,25 @@ static int ccid_handle_data(USBDevice *dev, USBPacket *p)
case USB_TOKEN_IN:
switch (p->devep & 0xf) {
case CCID_BULK_IN_EP:
- if (!len) {
+ if (!p->iov.size) {
ret = USB_RET_NAK;
} else {
- ret = ccid_bulk_in_copy_to_guest(s, data, len);
+ ret = ccid_bulk_in_copy_to_guest(s, p);
}
break;
case CCID_INT_IN_EP:
if (s->notify_slot_change) {
/* page 56, RDR_to_PC_NotifySlotChange */
- data[0] = CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange;
- data[1] = s->bmSlotICCState;
+ buf[0] = CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange;
+ buf[1] = s->bmSlotICCState;
+ usb_packet_copy(p, buf, 2);
ret = 2;
s->notify_slot_change = false;
s->bmSlotICCState &= ~SLOT_0_CHANGED_MASK;
DPRINTF(s, D_INFO,
"handle_data: int_in: notify_slot_change %X, "
- "requested len %d\n",
- s->bmSlotICCState, len);
+ "requested len %zd\n",
+ s->bmSlotICCState, p->iov.size);
}
break;
default:
diff --git a/hw/usb-ehci.c b/hw/usb-ehci.c
index 8b0dcc335d..2b43895315 100644
--- a/hw/usb-ehci.c
+++ b/hw/usb-ehci.c
@@ -28,6 +28,7 @@
#include "pci.h"
#include "monitor.h"
#include "trace.h"
+#include "dma.h"
#define EHCI_DEBUG 0
@@ -269,6 +270,7 @@ typedef struct EHCIqtd {
uint32_t bufptr[5]; // Standard buffer pointer
#define QTD_BUFPTR_MASK 0xfffff000
+#define QTD_BUFPTR_SH 12
} EHCIqtd;
/* EHCI spec version 1.0 Section 3.6
@@ -357,7 +359,7 @@ struct EHCIQueue {
uint32_t qtdaddr; // address QTD read from
USBPacket packet;
- uint8_t buffer[BUFF_SIZE];
+ QEMUSGList sgl;
int pid;
uint32_t tbytes;
enum async_state async;
@@ -414,7 +416,7 @@ struct EHCIState {
uint32_t p_fetch_addr; // which address to look at next
USBPacket ipacket;
- uint8_t ibuffer[BUFF_SIZE];
+ QEMUSGList isgl;
int isoch_pause;
uint64_t last_run_ns;
@@ -1165,58 +1167,56 @@ static int ehci_qh_do_overlay(EHCIQueue *q)
return 0;
}
-static int ehci_buffer_rw(EHCIQueue *q, int bytes, int rw)
+static int ehci_init_transfer(EHCIQueue *q)
{
- int bufpos = 0;
- int cpage, offset;
- uint32_t head;
- uint32_t tail;
-
-
- if (!bytes) {
- return 0;
- }
-
- cpage = get_field(q->qh.token, QTD_TOKEN_CPAGE);
- if (cpage > 4) {
- fprintf(stderr, "cpage out of range (%d)\n", cpage);
- return USB_RET_PROCERR;
- }
+ uint32_t cpage, offset, bytes, plen;
+ target_phys_addr_t page;
+ cpage = get_field(q->qh.token, QTD_TOKEN_CPAGE);
+ bytes = get_field(q->qh.token, QTD_TOKEN_TBYTES);
offset = q->qh.bufptr[0] & ~QTD_BUFPTR_MASK;
+ qemu_sglist_init(&q->sgl, 5);
- do {
- /* start and end of this page */
- head = q->qh.bufptr[cpage] & QTD_BUFPTR_MASK;
- tail = head + ~QTD_BUFPTR_MASK + 1;
- /* add offset into page */
- head |= offset;
-
- if (bytes <= (tail - head)) {
- tail = head + bytes;
+ while (bytes > 0) {
+ if (cpage > 4) {
+ fprintf(stderr, "cpage out of range (%d)\n", cpage);
+ return USB_RET_PROCERR;
}
- trace_usb_ehci_data(rw, cpage, offset, head, tail-head, bufpos);
- cpu_physical_memory_rw(head, q->buffer + bufpos, tail - head, rw);
-
- bufpos += (tail - head);
- offset += (tail - head);
- bytes -= (tail - head);
-
- if (bytes > 0) {
- cpage++;
+ page = q->qh.bufptr[cpage] & QTD_BUFPTR_MASK;
+ page += offset;
+ plen = bytes;
+ if (plen > 4096 - offset) {
+ plen = 4096 - offset;
offset = 0;
+ cpage++;
}
- } while (bytes > 0);
- /* save cpage */
- set_field(&q->qh.token, cpage, QTD_TOKEN_CPAGE);
+ qemu_sglist_add(&q->sgl, page, plen);
+ bytes -= plen;
+ }
+ return 0;
+}
- /* save offset into cpage */
- q->qh.bufptr[0] &= QTD_BUFPTR_MASK;
- q->qh.bufptr[0] |= offset;
+static void ehci_finish_transfer(EHCIQueue *q, int status)
+{
+ uint32_t cpage, offset;
- return 0;
+ qemu_sglist_destroy(&q->sgl);
+
+ if (status > 0) {
+ /* update cpage & offset */
+ cpage = get_field(q->qh.token, QTD_TOKEN_CPAGE);
+ offset = q->qh.bufptr[0] & ~QTD_BUFPTR_MASK;
+
+ offset += status;
+ cpage += offset >> QTD_BUFPTR_SH;
+ offset &= ~QTD_BUFPTR_MASK;
+
+ set_field(&q->qh.token, cpage, QTD_TOKEN_CPAGE);
+ q->qh.bufptr[0] &= QTD_BUFPTR_MASK;
+ q->qh.bufptr[0] |= offset;
+ }
}
static void ehci_async_complete_packet(USBPort *port, USBPacket *packet)
@@ -1235,7 +1235,7 @@ static void ehci_async_complete_packet(USBPort *port, USBPacket *packet)
trace_usb_ehci_queue_action(q, "wakeup");
assert(q->async == EHCI_ASYNC_INFLIGHT);
q->async = EHCI_ASYNC_FINISHED;
- q->usb_status = packet->len;
+ q->usb_status = packet->result;
}
static void ehci_execute_complete(EHCIQueue *q)
@@ -1295,10 +1295,6 @@ err:
}
if (q->tbytes && q->pid == USB_TOKEN_IN) {
- if (ehci_buffer_rw(q, q->usb_status, 1) != 0) {
- q->usb_status = USB_RET_PROCERR;
- return;
- }
q->tbytes -= q->usb_status;
} else {
q->tbytes = 0;
@@ -1307,6 +1303,8 @@ err:
DPRINTF("updating tbytes to %d\n", q->tbytes);
set_field(&q->qh.token, q->tbytes, QTD_TOKEN_TBYTES);
}
+ ehci_finish_transfer(q, q->usb_status);
+ usb_packet_unmap(&q->packet);
q->qh.token ^= QTD_TOKEN_DTOGGLE;
q->qh.token &= ~QTD_TOKEN_ACTIVE;
@@ -1346,8 +1344,7 @@ static int ehci_execute(EHCIQueue *q)
default: fprintf(stderr, "bad token\n"); break;
}
- if ((q->tbytes && q->pid != USB_TOKEN_IN) &&
- (ehci_buffer_rw(q, q->tbytes, 0) != 0)) {
+ if (ehci_init_transfer(q) != 0) {
return USB_RET_PROCERR;
}
@@ -1356,6 +1353,9 @@ static int ehci_execute(EHCIQueue *q)
ret = USB_RET_NODEV;
+ usb_packet_setup(&q->packet, q->pid, devadr, endp);
+ usb_packet_map(&q->packet, &q->sgl);
+
// TO-DO: associating device with ehci port
for(i = 0; i < NB_PORTS; i++) {
port = &q->ehci->ports[i];
@@ -1367,17 +1367,12 @@ static int ehci_execute(EHCIQueue *q)
continue;
}
- q->packet.pid = q->pid;
- q->packet.devaddr = devadr;
- q->packet.devep = endp;
- q->packet.data = q->buffer;
- q->packet.len = q->tbytes;
-
ret = usb_handle_packet(dev, &q->packet);
- DPRINTF("submit: qh %x next %x qtd %x pid %x len %d (total %d) endp %x ret %d\n",
+ DPRINTF("submit: qh %x next %x qtd %x pid %x len %zd "
+ "(total %d) endp %x ret %d\n",
q->qhaddr, q->qh.next, q->qtdaddr, q->pid,
- q->packet.len, q->tbytes, endp, ret);
+ q->packet.iov.size, q->tbytes, endp, ret);
if (ret != USB_RET_NODEV) {
break;
@@ -1401,7 +1396,7 @@ static int ehci_process_itd(EHCIState *ehci,
USBPort *port;
USBDevice *dev;
int ret;
- uint32_t i, j, len, len1, len2, pid, dir, devaddr, endp;
+ uint32_t i, j, len, pid, dir, devaddr, endp;
uint32_t pg, off, ptr1, ptr2, max, mult;
dir =(itd->bufptr[1] & ITD_BUFPTR_DIRECTION);
@@ -1426,29 +1421,23 @@ static int ehci_process_itd(EHCIState *ehci,
return USB_RET_PROCERR;
}
+ qemu_sglist_init(&ehci->isgl, 2);
if (off + len > 4096) {
/* transfer crosses page border */
- len2 = off + len - 4096;
- len1 = len - len2;
+ uint32_t len2 = off + len - 4096;
+ uint32_t len1 = len - len2;
+ qemu_sglist_add(&ehci->isgl, ptr1 + off, len1);
+ qemu_sglist_add(&ehci->isgl, ptr2, len2);
} else {
- len1 = len;
- len2 = 0;
+ qemu_sglist_add(&ehci->isgl, ptr1 + off, len);
}
- if (!dir) {
- pid = USB_TOKEN_OUT;
- trace_usb_ehci_data(0, pg, off, ptr1 + off, len1, 0);
- cpu_physical_memory_rw(ptr1 + off, &ehci->ibuffer[0], len1, 0);
- if (len2) {
- trace_usb_ehci_data(0, pg+1, 0, ptr2, len2, len1);
- cpu_physical_memory_rw(ptr2, &ehci->ibuffer[len1], len2, 0);
- }
- } else {
- pid = USB_TOKEN_IN;
- }
+ pid = dir ? USB_TOKEN_IN : USB_TOKEN_OUT;
- ret = USB_RET_NODEV;
+ usb_packet_setup(&ehci->ipacket, pid, devaddr, endp);
+ usb_packet_map(&ehci->ipacket, &ehci->isgl);
+ ret = USB_RET_NODEV;
for (j = 0; j < NB_PORTS; j++) {
port = &ehci->ports[j];
dev = port->dev;
@@ -1457,12 +1446,6 @@ static int ehci_process_itd(EHCIState *ehci,
continue;
}
- ehci->ipacket.pid = pid;
- ehci->ipacket.devaddr = devaddr;
- ehci->ipacket.devep = endp;
- ehci->ipacket.data = ehci->ibuffer;
- ehci->ipacket.len = len;
-
ret = usb_handle_packet(dev, &ehci->ipacket);
if (ret != USB_RET_NODEV) {
@@ -1470,6 +1453,9 @@ static int ehci_process_itd(EHCIState *ehci,
}
}
+ usb_packet_unmap(&ehci->ipacket);
+ qemu_sglist_destroy(&ehci->isgl);
+
#if 0
/* In isoch, there is no facility to indicate a NAK so let's
* instead just complete a zero-byte transaction. Setting
@@ -1507,20 +1493,6 @@ static int ehci_process_itd(EHCIState *ehci,
set_field(&itd->transact[i], len - ret, ITD_XACT_LENGTH);
} else {
/* IN */
- if (len1 > ret) {
- len1 = ret;
- }
- if (len2 > ret - len1) {
- len2 = ret - len1;
- }
- if (len1) {
- trace_usb_ehci_data(1, pg, off, ptr1 + off, len1, 0);
- cpu_physical_memory_rw(ptr1 + off, &ehci->ibuffer[0], len1, 1);
- }
- if (len2) {
- trace_usb_ehci_data(1, pg+1, 0, ptr2, len2, len1);
- cpu_physical_memory_rw(ptr2, &ehci->ibuffer[len1], len2, 1);
- }
set_field(&itd->transact[i], ret, ITD_XACT_LENGTH);
}
diff --git a/hw/usb-hid.c b/hw/usb-hid.c
index 9008320c86..e5d57de888 100644
--- a/hw/usb-hid.c
+++ b/hw/usb-hid.c
@@ -27,6 +27,7 @@
#include "usb.h"
#include "usb-desc.h"
#include "qemu-timer.h"
+#include "hid.h"
/* HID interface requests */
#define GET_REPORT 0xa101
@@ -41,46 +42,9 @@
#define USB_DT_REPORT 0x22
#define USB_DT_PHY 0x23
-#define USB_MOUSE 1
-#define USB_TABLET 2
-#define USB_KEYBOARD 3
-
-typedef struct USBPointerEvent {
- int32_t xdx, ydy; /* relative iff it's a mouse, otherwise absolute */
- int32_t dz, buttons_state;
-} USBPointerEvent;
-
-#define QUEUE_LENGTH 16 /* should be enough for a triple-click */
-#define QUEUE_MASK (QUEUE_LENGTH-1u)
-#define QUEUE_INCR(v) ((v)++, (v) &= QUEUE_MASK)
-
-typedef struct USBMouseState {
- USBPointerEvent queue[QUEUE_LENGTH];
- int mouse_grabbed;
- QEMUPutMouseEntry *eh_entry;
-} USBMouseState;
-
-typedef struct USBKeyboardState {
- uint32_t keycodes[QUEUE_LENGTH];
- uint16_t modifiers;
- uint8_t leds;
- uint8_t key[16];
- int32_t keys;
-} USBKeyboardState;
-
typedef struct USBHIDState {
USBDevice dev;
- union {
- USBMouseState ptr;
- USBKeyboardState kbd;
- };
- uint32_t head; /* index into circular queue */
- uint32_t n;
- int kind;
- int32_t protocol;
- uint8_t idle;
- int64_t next_idle_clock;
- int changed;
+ HIDState hid;
void *datain_opaque;
void (*datain)(void *);
} USBHIDState;
@@ -394,344 +358,29 @@ static const uint8_t qemu_keyboard_hid_report_descriptor[] = {
0xc0, /* End Collection */
};
-#define USB_HID_USAGE_ERROR_ROLLOVER 0x01
-#define USB_HID_USAGE_POSTFAIL 0x02
-#define USB_HID_USAGE_ERROR_UNDEFINED 0x03
-
-/* Indices are QEMU keycodes, values are from HID Usage Table. Indices
- * above 0x80 are for keys that come after 0xe0 or 0xe1+0x1d or 0xe1+0x9d. */
-static const uint8_t usb_hid_usage_keys[0x100] = {
- 0x00, 0x29, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
- 0x24, 0x25, 0x26, 0x27, 0x2d, 0x2e, 0x2a, 0x2b,
- 0x14, 0x1a, 0x08, 0x15, 0x17, 0x1c, 0x18, 0x0c,
- 0x12, 0x13, 0x2f, 0x30, 0x28, 0xe0, 0x04, 0x16,
- 0x07, 0x09, 0x0a, 0x0b, 0x0d, 0x0e, 0x0f, 0x33,
- 0x34, 0x35, 0xe1, 0x31, 0x1d, 0x1b, 0x06, 0x19,
- 0x05, 0x11, 0x10, 0x36, 0x37, 0x38, 0xe5, 0x55,
- 0xe2, 0x2c, 0x32, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e,
- 0x3f, 0x40, 0x41, 0x42, 0x43, 0x53, 0x47, 0x5f,
- 0x60, 0x61, 0x56, 0x5c, 0x5d, 0x5e, 0x57, 0x59,
- 0x5a, 0x5b, 0x62, 0x63, 0x00, 0x00, 0x00, 0x44,
- 0x45, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e,
- 0xe8, 0xe9, 0x71, 0x72, 0x73, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x85, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65,
-
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x58, 0xe4, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x00, 0x46,
- 0xe6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x00, 0x4a,
- 0x52, 0x4b, 0x00, 0x50, 0x00, 0x4f, 0x00, 0x4d,
- 0x51, 0x4e, 0x49, 0x4c, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-};
-
-static void usb_hid_changed(USBHIDState *hs)
+static void usb_hid_changed(HIDState *hs)
{
- hs->changed = 1;
-
- if (hs->datain)
- hs->datain(hs->datain_opaque);
-
- usb_wakeup(&hs->dev);
-}
+ USBHIDState *us = container_of(hs, USBHIDState, hid);
-static void usb_pointer_event_clear(USBPointerEvent *e, int buttons) {
- e->xdx = e->ydy = e->dz = 0;
- e->buttons_state = buttons;
-}
-
-static void usb_pointer_event_combine(USBPointerEvent *e, int xyrel,
- int x1, int y1, int z1) {
- if (xyrel) {
- e->xdx += x1;
- e->ydy += y1;
- } else {
- e->xdx = x1;
- e->ydy = y1;
- /* Windows drivers do not like the 0/0 position and ignore such
- * events. */
- if (!(x1 | y1)) {
- x1 = 1;
- }
+ if (us->datain) {
+ us->datain(us->datain_opaque);
}
- e->dz += z1;
-}
-static void usb_pointer_event(void *opaque,
- int x1, int y1, int z1, int buttons_state)
-{
- USBHIDState *hs = opaque;
- USBMouseState *s = &hs->ptr;
- unsigned use_slot = (hs->head + hs->n - 1) & QUEUE_MASK;
- unsigned previous_slot = (use_slot - 1) & QUEUE_MASK;
-
- /* We combine events where feasible to keep the queue small. We shouldn't
- * combine anything with the first event of a particular button state, as
- * that would change the location of the button state change. When the
- * queue is empty, a second event is needed because we don't know if
- * the first event changed the button state. */
- if (hs->n == QUEUE_LENGTH) {
- /* Queue full. Discard old button state, combine motion normally. */
- s->queue[use_slot].buttons_state = buttons_state;
- } else if (hs->n < 2 ||
- s->queue[use_slot].buttons_state != buttons_state ||
- s->queue[previous_slot].buttons_state != s->queue[use_slot].buttons_state) {
- /* Cannot or should not combine, so add an empty item to the queue. */
- QUEUE_INCR(use_slot);
- hs->n++;
- usb_pointer_event_clear(&s->queue[use_slot], buttons_state);
- }
- usb_pointer_event_combine(&s->queue[use_slot],
- hs->kind == USB_MOUSE,
- x1, y1, z1);
- usb_hid_changed(hs);
+ usb_wakeup(&us->dev);
}
-static void usb_keyboard_event(void *opaque, int keycode)
+static void usb_hid_handle_reset(USBDevice *dev)
{
- USBHIDState *hs = opaque;
- USBKeyboardState *s = &hs->kbd;
- int slot;
+ USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
- if (hs->n == QUEUE_LENGTH) {
- fprintf(stderr, "usb-kbd: warning: key event queue full\n");
- return;
- }
- slot = (hs->head + hs->n) & QUEUE_MASK; hs->n++;
- s->keycodes[slot] = keycode;
- usb_hid_changed(hs);
-}
-
-static void usb_keyboard_process_keycode(USBHIDState *hs)
-{
- USBKeyboardState *s = &hs->kbd;
- uint8_t hid_code, key;
- int i, keycode, slot;
-
- if (hs->n == 0) {
- return;
- }
- slot = hs->head & QUEUE_MASK; QUEUE_INCR(hs->head); hs->n--;
- keycode = s->keycodes[slot];
-
- key = keycode & 0x7f;
- hid_code = usb_hid_usage_keys[key | ((s->modifiers >> 1) & (1 << 7))];
- s->modifiers &= ~(1 << 8);
-
- switch (hid_code) {
- case 0x00:
- return;
-
- case 0xe0:
- if (s->modifiers & (1 << 9)) {
- s->modifiers ^= 3 << 8;
- return;
- }
- case 0xe1 ... 0xe7:
- if (keycode & (1 << 7)) {
- s->modifiers &= ~(1 << (hid_code & 0x0f));
- return;
- }
- case 0xe8 ... 0xef:
- s->modifiers |= 1 << (hid_code & 0x0f);
- return;
- }
-
- if (keycode & (1 << 7)) {
- for (i = s->keys - 1; i >= 0; i --)
- if (s->key[i] == hid_code) {
- s->key[i] = s->key[-- s->keys];
- s->key[s->keys] = 0x00;
- break;
- }
- if (i < 0)
- return;
- } else {
- for (i = s->keys - 1; i >= 0; i --)
- if (s->key[i] == hid_code)
- break;
- if (i < 0) {
- if (s->keys < sizeof(s->key))
- s->key[s->keys ++] = hid_code;
- } else
- return;
- }
-}
-
-static inline int int_clamp(int val, int vmin, int vmax)
-{
- if (val < vmin)
- return vmin;
- else if (val > vmax)
- return vmax;
- else
- return val;
-}
-
-static int usb_pointer_poll(USBHIDState *hs, uint8_t *buf, int len)
-{
- int dx, dy, dz, b, l;
- int index;
- USBMouseState *s = &hs->ptr;
- USBPointerEvent *e;
-
- if (!s->mouse_grabbed) {
- qemu_activate_mouse_event_handler(s->eh_entry);
- s->mouse_grabbed = 1;
- }
-
- /* When the buffer is empty, return the last event. Relative
- movements will all be zero. */
- index = (hs->n ? hs->head : hs->head - 1);
- e = &s->queue[index & QUEUE_MASK];
-
- if (hs->kind == USB_MOUSE) {
- dx = int_clamp(e->xdx, -127, 127);
- dy = int_clamp(e->ydy, -127, 127);
- e->xdx -= dx;
- e->ydy -= dy;
- } else {
- dx = e->xdx;
- dy = e->ydy;
- }
- dz = int_clamp(e->dz, -127, 127);
- e->dz -= dz;
-
- b = 0;
- if (e->buttons_state & MOUSE_EVENT_LBUTTON)
- b |= 0x01;
- if (e->buttons_state & MOUSE_EVENT_RBUTTON)
- b |= 0x02;
- if (e->buttons_state & MOUSE_EVENT_MBUTTON)
- b |= 0x04;
-
- if (hs->n &&
- !e->dz &&
- (hs->kind == USB_TABLET || (!e->xdx && !e->ydy))) {
- /* that deals with this event */
- QUEUE_INCR(hs->head);
- hs->n--;
- }
-
- /* Appears we have to invert the wheel direction */
- dz = 0 - dz;
- l = 0;
- switch (hs->kind) {
- case USB_MOUSE:
- if (len > l)
- buf[l++] = b;
- if (len > l)
- buf[l++] = dx;
- if (len > l)
- buf[l++] = dy;
- if (len > l)
- buf[l++] = dz;
- break;
-
- case USB_TABLET:
- if (len > l)
- buf[l++] = b;
- if (len > l)
- buf[l++] = dx & 0xff;
- if (len > l)
- buf[l++] = dx >> 8;
- if (len > l)
- buf[l++] = dy & 0xff;
- if (len > l)
- buf[l++] = dy >> 8;
- if (len > l)
- buf[l++] = dz;
- break;
-
- default:
- abort();
- }
-
- return l;
-}
-
-static int usb_keyboard_poll(USBHIDState *hs, uint8_t *buf, int len)
-{
- USBKeyboardState *s = &hs->kbd;
- if (len < 2)
- return 0;
-
- usb_keyboard_process_keycode(hs);
-
- buf[0] = s->modifiers & 0xff;
- buf[1] = 0;
- if (s->keys > 6)
- memset(buf + 2, USB_HID_USAGE_ERROR_ROLLOVER, MIN(8, len) - 2);
- else
- memcpy(buf + 2, s->key, MIN(8, len) - 2);
-
- return MIN(8, len);
-}
-
-static int usb_keyboard_write(USBKeyboardState *s, uint8_t *buf, int len)
-{
- if (len > 0) {
- int ledstate = 0;
- /* 0x01: Num Lock LED
- * 0x02: Caps Lock LED
- * 0x04: Scroll Lock LED
- * 0x08: Compose LED
- * 0x10: Kana LED */
- s->leds = buf[0];
- if (s->leds & 0x04)
- ledstate |= QEMU_SCROLL_LOCK_LED;
- if (s->leds & 0x01)
- ledstate |= QEMU_NUM_LOCK_LED;
- if (s->leds & 0x02)
- ledstate |= QEMU_CAPS_LOCK_LED;
- kbd_put_ledstate(ledstate);
- }
- return 0;
-}
-
-static void usb_mouse_handle_reset(USBDevice *dev)
-{
- USBHIDState *s = (USBHIDState *)dev;
-
- memset(s->ptr.queue, 0, sizeof (s->ptr.queue));
- s->head = 0;
- s->n = 0;
- s->protocol = 1;
-}
-
-static void usb_keyboard_handle_reset(USBDevice *dev)
-{
- USBHIDState *s = (USBHIDState *)dev;
-
- qemu_add_kbd_event_handler(usb_keyboard_event, s);
- memset(s->kbd.keycodes, 0, sizeof (s->kbd.keycodes));
- s->head = 0;
- s->n = 0;
- memset(s->kbd.key, 0, sizeof (s->kbd.key));
- s->kbd.keys = 0;
- s->protocol = 1;
-}
-
-static void usb_hid_set_next_idle(USBHIDState *s, int64_t curtime)
-{
- s->next_idle_clock = curtime + (get_ticks_per_sec() * s->idle * 4) / 1000;
+ hid_reset(&us->hid);
}
static int usb_hid_handle_control(USBDevice *dev, USBPacket *p,
int request, int value, int index, int length, uint8_t *data)
{
- USBHIDState *s = (USBHIDState *)dev;
+ USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
+ HIDState *hs = &us->hid;
int ret;
ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
@@ -740,7 +389,7 @@ static int usb_hid_handle_control(USBDevice *dev, USBPacket *p,
}
ret = 0;
- switch(request) {
+ switch (request) {
case DeviceRequest | USB_REQ_GET_INTERFACE:
data[0] = 0;
ret = 1;
@@ -750,17 +399,17 @@ static int usb_hid_handle_control(USBDevice *dev, USBPacket *p,
break;
/* hid specific requests */
case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
- switch(value >> 8) {
+ switch (value >> 8) {
case 0x22:
- if (s->kind == USB_MOUSE) {
+ if (hs->kind == HID_MOUSE) {
memcpy(data, qemu_mouse_hid_report_descriptor,
sizeof(qemu_mouse_hid_report_descriptor));
ret = sizeof(qemu_mouse_hid_report_descriptor);
- } else if (s->kind == USB_TABLET) {
- memcpy(data, qemu_tablet_hid_report_descriptor,
+ } else if (hs->kind == HID_TABLET) {
+ memcpy(data, qemu_tablet_hid_report_descriptor,
sizeof(qemu_tablet_hid_report_descriptor));
ret = sizeof(qemu_tablet_hid_report_descriptor);
- } else if (s->kind == USB_KEYBOARD) {
+ } else if (hs->kind == HID_KEYBOARD) {
memcpy(data, qemu_keyboard_hid_report_descriptor,
sizeof(qemu_keyboard_hid_report_descriptor));
ret = sizeof(qemu_keyboard_hid_report_descriptor);
@@ -771,38 +420,40 @@ static int usb_hid_handle_control(USBDevice *dev, USBPacket *p,
}
break;
case GET_REPORT:
- if (s->kind == USB_MOUSE || s->kind == USB_TABLET) {
- ret = usb_pointer_poll(s, data, length);
- } else if (s->kind == USB_KEYBOARD) {
- ret = usb_keyboard_poll(s, data, length);
+ if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
+ ret = hid_pointer_poll(hs, data, length);
+ } else if (hs->kind == HID_KEYBOARD) {
+ ret = hid_keyboard_poll(hs, data, length);
}
- s->changed = s->n > 0;
break;
case SET_REPORT:
- if (s->kind == USB_KEYBOARD)
- ret = usb_keyboard_write(&s->kbd, data, length);
- else
+ if (hs->kind == HID_KEYBOARD) {
+ ret = hid_keyboard_write(hs, data, length);
+ } else {
goto fail;
+ }
break;
case GET_PROTOCOL:
- if (s->kind != USB_KEYBOARD && s->kind != USB_MOUSE)
+ if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
goto fail;
+ }
ret = 1;
- data[0] = s->protocol;
+ data[0] = hs->protocol;
break;
case SET_PROTOCOL:
- if (s->kind != USB_KEYBOARD && s->kind != USB_MOUSE)
+ if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
goto fail;
+ }
ret = 0;
- s->protocol = value;
+ hs->protocol = value;
break;
case GET_IDLE:
ret = 1;
- data[0] = s->idle;
+ data[0] = hs->idle;
break;
case SET_IDLE:
- s->idle = (uint8_t) (value >> 8);
- usb_hid_set_next_idle(s, qemu_get_clock_ns(vm_clock));
+ hs->idle = (uint8_t) (value >> 8);
+ hid_set_next_idle(hs, qemu_get_clock_ns(vm_clock));
ret = 0;
break;
default:
@@ -815,23 +466,26 @@ static int usb_hid_handle_control(USBDevice *dev, USBPacket *p,
static int usb_hid_handle_data(USBDevice *dev, USBPacket *p)
{
- USBHIDState *s = (USBHIDState *)dev;
+ USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
+ HIDState *hs = &us->hid;
+ uint8_t buf[p->iov.size];
int ret = 0;
- switch(p->pid) {
+ switch (p->pid) {
case USB_TOKEN_IN:
if (p->devep == 1) {
int64_t curtime = qemu_get_clock_ns(vm_clock);
- if (!s->changed && (!s->idle || s->next_idle_clock - curtime > 0))
+ if (!hid_has_events(hs) &&
+ (!hs->idle || hs->next_idle_clock - curtime > 0)) {
return USB_RET_NAK;
- usb_hid_set_next_idle(s, curtime);
- if (s->kind == USB_MOUSE || s->kind == USB_TABLET) {
- ret = usb_pointer_poll(s, p->data, p->len);
}
- else if (s->kind == USB_KEYBOARD) {
- ret = usb_keyboard_poll(s, p->data, p->len);
+ hid_set_next_idle(hs, curtime);
+ if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
+ ret = hid_pointer_poll(hs, buf, p->iov.size);
+ } else if (hs->kind == HID_KEYBOARD) {
+ ret = hid_keyboard_poll(hs, buf, p->iov.size);
}
- s->changed = s->n > 0;
+ usb_packet_copy(p, buf, ret);
} else {
goto fail;
}
@@ -847,50 +501,33 @@ static int usb_hid_handle_data(USBDevice *dev, USBPacket *p)
static void usb_hid_handle_destroy(USBDevice *dev)
{
- USBHIDState *s = (USBHIDState *)dev;
+ USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
- switch(s->kind) {
- case USB_KEYBOARD:
- qemu_remove_kbd_event_handler();
- break;
- default:
- qemu_remove_mouse_event_handler(s->ptr.eh_entry);
- }
+ hid_free(&us->hid);
}
static int usb_hid_initfn(USBDevice *dev, int kind)
{
- USBHIDState *s = DO_UPCAST(USBHIDState, dev, dev);
+ USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
usb_desc_init(dev);
- s->kind = kind;
-
- if (s->kind == USB_MOUSE) {
- s->ptr.eh_entry = qemu_add_mouse_event_handler(usb_pointer_event, s,
- 0, "QEMU USB Mouse");
- } else if (s->kind == USB_TABLET) {
- s->ptr.eh_entry = qemu_add_mouse_event_handler(usb_pointer_event, s,
- 1, "QEMU USB Tablet");
- }
-
- /* Force poll routine to be run and grab input the first time. */
- s->changed = 1;
+ hid_init(&us->hid, kind, usb_hid_changed);
return 0;
}
static int usb_tablet_initfn(USBDevice *dev)
{
- return usb_hid_initfn(dev, USB_TABLET);
+ return usb_hid_initfn(dev, HID_TABLET);
}
static int usb_mouse_initfn(USBDevice *dev)
{
- return usb_hid_initfn(dev, USB_MOUSE);
+ return usb_hid_initfn(dev, HID_MOUSE);
}
static int usb_keyboard_initfn(USBDevice *dev)
{
- return usb_hid_initfn(dev, USB_KEYBOARD);
+ return usb_hid_initfn(dev, HID_KEYBOARD);
}
void usb_hid_datain_cb(USBDevice *dev, void *opaque, void (*datain)(void *))
@@ -905,8 +542,8 @@ static int usb_hid_post_load(void *opaque, int version_id)
{
USBHIDState *s = opaque;
- if (s->idle) {
- usb_hid_set_next_idle(s, qemu_get_clock_ns(vm_clock));
+ if (s->hid.idle) {
+ hid_set_next_idle(&s->hid, qemu_get_clock_ns(vm_clock));
}
return 0;
}
@@ -916,10 +553,10 @@ static const VMStateDescription vmstate_usb_ptr_queue = {
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField []) {
- VMSTATE_INT32(xdx, USBPointerEvent),
- VMSTATE_INT32(ydy, USBPointerEvent),
- VMSTATE_INT32(dz, USBPointerEvent),
- VMSTATE_INT32(buttons_state, USBPointerEvent),
+ VMSTATE_INT32(xdx, HIDPointerEvent),
+ VMSTATE_INT32(ydy, HIDPointerEvent),
+ VMSTATE_INT32(dz, HIDPointerEvent),
+ VMSTATE_INT32(buttons_state, HIDPointerEvent),
VMSTATE_END_OF_LIST()
}
};
@@ -930,12 +567,12 @@ static const VMStateDescription vmstate_usb_ptr = {
.post_load = usb_hid_post_load,
.fields = (VMStateField []) {
VMSTATE_USB_DEVICE(dev, USBHIDState),
- VMSTATE_STRUCT_ARRAY(ptr.queue, USBHIDState, QUEUE_LENGTH, 0,
- vmstate_usb_ptr_queue, USBPointerEvent),
- VMSTATE_UINT32(head, USBHIDState),
- VMSTATE_UINT32(n, USBHIDState),
- VMSTATE_INT32(protocol, USBHIDState),
- VMSTATE_UINT8(idle, USBHIDState),
+ VMSTATE_STRUCT_ARRAY(hid.ptr.queue, USBHIDState, QUEUE_LENGTH, 0,
+ vmstate_usb_ptr_queue, HIDPointerEvent),
+ VMSTATE_UINT32(hid.head, USBHIDState),
+ VMSTATE_UINT32(hid.n, USBHIDState),
+ VMSTATE_INT32(hid.protocol, USBHIDState),
+ VMSTATE_UINT8(hid.idle, USBHIDState),
VMSTATE_END_OF_LIST()
}
};
@@ -947,15 +584,15 @@ static const VMStateDescription vmstate_usb_kbd = {
.post_load = usb_hid_post_load,
.fields = (VMStateField []) {
VMSTATE_USB_DEVICE(dev, USBHIDState),
- VMSTATE_UINT32_ARRAY(kbd.keycodes, USBHIDState, QUEUE_LENGTH),
- VMSTATE_UINT32(head, USBHIDState),
- VMSTATE_UINT32(n, USBHIDState),
- VMSTATE_UINT16(kbd.modifiers, USBHIDState),
- VMSTATE_UINT8(kbd.leds, USBHIDState),
- VMSTATE_UINT8_ARRAY(kbd.key, USBHIDState, 16),
- VMSTATE_INT32(kbd.keys, USBHIDState),
- VMSTATE_INT32(protocol, USBHIDState),
- VMSTATE_UINT8(idle, USBHIDState),
+ VMSTATE_UINT32_ARRAY(hid.kbd.keycodes, USBHIDState, QUEUE_LENGTH),
+ VMSTATE_UINT32(hid.head, USBHIDState),
+ VMSTATE_UINT32(hid.n, USBHIDState),
+ VMSTATE_UINT16(hid.kbd.modifiers, USBHIDState),
+ VMSTATE_UINT8(hid.kbd.leds, USBHIDState),
+ VMSTATE_UINT8_ARRAY(hid.kbd.key, USBHIDState, 16),
+ VMSTATE_INT32(hid.kbd.keys, USBHIDState),
+ VMSTATE_INT32(hid.protocol, USBHIDState),
+ VMSTATE_UINT8(hid.idle, USBHIDState),
VMSTATE_END_OF_LIST()
}
};
@@ -970,7 +607,7 @@ static struct USBDeviceInfo hid_info[] = {
.usb_desc = &desc_tablet,
.init = usb_tablet_initfn,
.handle_packet = usb_generic_handle_packet,
- .handle_reset = usb_mouse_handle_reset,
+ .handle_reset = usb_hid_handle_reset,
.handle_control = usb_hid_handle_control,
.handle_data = usb_hid_handle_data,
.handle_destroy = usb_hid_handle_destroy,
@@ -983,7 +620,7 @@ static struct USBDeviceInfo hid_info[] = {
.usb_desc = &desc_mouse,
.init = usb_mouse_initfn,
.handle_packet = usb_generic_handle_packet,
- .handle_reset = usb_mouse_handle_reset,
+ .handle_reset = usb_hid_handle_reset,
.handle_control = usb_hid_handle_control,
.handle_data = usb_hid_handle_data,
.handle_destroy = usb_hid_handle_destroy,
@@ -996,7 +633,7 @@ static struct USBDeviceInfo hid_info[] = {
.usb_desc = &desc_keyboard,
.init = usb_keyboard_initfn,
.handle_packet = usb_generic_handle_packet,
- .handle_reset = usb_keyboard_handle_reset,
+ .handle_reset = usb_hid_handle_reset,
.handle_control = usb_hid_handle_control,
.handle_data = usb_hid_handle_data,
.handle_destroy = usb_hid_handle_destroy,
diff --git a/hw/usb-hub.c b/hw/usb-hub.c
index b49a2fe882..c49c547d0c 100644
--- a/hw/usb-hub.c
+++ b/hw/usb-hub.c
@@ -394,11 +394,12 @@ static int usb_hub_handle_data(USBDevice *dev, USBPacket *p)
if (p->devep == 1) {
USBHubPort *port;
unsigned int status;
+ uint8_t buf[4];
int i, n;
n = (NUM_PORTS + 1 + 7) / 8;
- if (p->len == 1) { /* FreeBSD workaround */
+ if (p->iov.size == 1) { /* FreeBSD workaround */
n = 1;
- } else if (n > p->len) {
+ } else if (n > p->iov.size) {
return USB_RET_BABBLE;
}
status = 0;
@@ -409,8 +410,9 @@ static int usb_hub_handle_data(USBDevice *dev, USBPacket *p)
}
if (status != 0) {
for(i = 0; i < n; i++) {
- p->data[i] = status >> (8 * i);
+ buf[i] = status >> (8 * i);
}
+ usb_packet_copy(p, buf, n);
ret = n;
} else {
ret = USB_RET_NAK; /* usb11 11.13.1 */
diff --git a/hw/usb-libhw.c b/hw/usb-libhw.c
new file mode 100644
index 0000000000..162b42bd5b
--- /dev/null
+++ b/hw/usb-libhw.c
@@ -0,0 +1,63 @@
+/*
+ * QEMU USB emulation, libhw bits.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "qemu-common.h"
+#include "cpu-common.h"
+#include "usb.h"
+#include "dma.h"
+
+int usb_packet_map(USBPacket *p, QEMUSGList *sgl)
+{
+ int is_write = (p->pid == USB_TOKEN_IN);
+ target_phys_addr_t len;
+ void *mem;
+ int i;
+
+ for (i = 0; i < sgl->nsg; i++) {
+ len = sgl->sg[i].len;
+ mem = cpu_physical_memory_map(sgl->sg[i].base, &len,
+ is_write);
+ if (!mem) {
+ goto err;
+ }
+ qemu_iovec_add(&p->iov, mem, len);
+ if (len != sgl->sg[i].len) {
+ goto err;
+ }
+ }
+ return 0;
+
+err:
+ usb_packet_unmap(p);
+ return -1;
+}
+
+void usb_packet_unmap(USBPacket *p)
+{
+ int is_write = (p->pid == USB_TOKEN_IN);
+ int i;
+
+ for (i = 0; i < p->iov.niov; i++) {
+ cpu_physical_memory_unmap(p->iov.iov[i].iov_base,
+ p->iov.iov[i].iov_len, is_write,
+ p->iov.iov[i].iov_len);
+ }
+}
diff --git a/hw/usb-msd.c b/hw/usb-msd.c
index cdeac581e3..90e57fbf6b 100644
--- a/hw/usb-msd.c
+++ b/hw/usb-msd.c
@@ -43,8 +43,6 @@ typedef struct {
enum USBMSDMode mode;
uint32_t scsi_len;
uint8_t *scsi_buf;
- uint32_t usb_len;
- uint8_t *usb_buf;
uint32_t data_len;
uint32_t residue;
uint32_t tag;
@@ -176,20 +174,14 @@ static const USBDesc desc = {
.str = desc_strings,
};
-static void usb_msd_copy_data(MSDState *s)
+static void usb_msd_copy_data(MSDState *s, USBPacket *p)
{
uint32_t len;
- len = s->usb_len;
+ len = p->iov.size - p->result;
if (len > s->scsi_len)
len = s->scsi_len;
- if (s->mode == USB_MSDM_DATAIN) {
- memcpy(s->usb_buf, s->scsi_buf, len);
- } else {
- memcpy(s->scsi_buf, s->usb_buf, len);
- }
- s->usb_len -= len;
+ usb_packet_copy(p, s->scsi_buf, len);
s->scsi_len -= len;
- s->usb_buf += len;
s->scsi_buf += len;
s->data_len -= len;
if (s->scsi_len == 0 || s->data_len == 0) {
@@ -207,8 +199,9 @@ static void usb_msd_send_status(MSDState *s, USBPacket *p)
csw.residue = s->residue;
csw.status = s->result;
- len = MIN(sizeof(csw), p->len);
- memcpy(p->data, &csw, len);
+ len = MIN(sizeof(csw), p->iov.size);
+ usb_packet_copy(p, &csw, len);
+ p->result = len;
}
static void usb_msd_transfer_data(SCSIRequest *req, uint32_t len)
@@ -220,8 +213,9 @@ static void usb_msd_transfer_data(SCSIRequest *req, uint32_t len)
s->scsi_len = len;
s->scsi_buf = scsi_req_get_buf(req);
if (p) {
- usb_msd_copy_data(s);
- if (s->packet && s->usb_len == 0) {
+ usb_msd_copy_data(s, p);
+ p = s->packet;
+ if (p && p->result == p->iov.size) {
/* Set s->packet to NULL before calling usb_packet_complete
because another request may be issued before
usb_packet_complete returns. */
@@ -248,11 +242,9 @@ static void usb_msd_command_complete(SCSIRequest *req, uint32_t status)
s->mode = USB_MSDM_CBW;
} else {
if (s->data_len) {
- s->data_len -= s->usb_len;
- if (s->mode == USB_MSDM_DATAIN) {
- memset(s->usb_buf, 0, s->usb_len);
- }
- s->usb_len = 0;
+ int len = (p->iov.size - p->result);
+ usb_packet_skip(p, len);
+ s->data_len -= len;
}
if (s->data_len == 0) {
s->mode = USB_MSDM_CSW;
@@ -342,8 +334,6 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
int ret = 0;
struct usb_msd_cbw cbw;
uint8_t devep = p->devep;
- uint8_t *data = p->data;
- int len = p->len;
switch (p->pid) {
case USB_TOKEN_OUT:
@@ -352,11 +342,11 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
switch (s->mode) {
case USB_MSDM_CBW:
- if (len != 31) {
+ if (p->iov.size != 31) {
fprintf(stderr, "usb-msd: Bad CBW size");
goto fail;
}
- memcpy(&cbw, data, 31);
+ usb_packet_copy(p, &cbw, 31);
if (le32_to_cpu(cbw.sig) != 0x43425355) {
fprintf(stderr, "usb-msd: Bad signature %08x\n",
le32_to_cpu(cbw.sig));
@@ -387,36 +377,39 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
if (s->mode != USB_MSDM_CSW && s->residue == 0) {
scsi_req_continue(s->req);
}
- ret = len;
+ ret = p->result;
break;
case USB_MSDM_DATAOUT:
- DPRINTF("Data out %d/%d\n", len, s->data_len);
- if (len > s->data_len)
+ DPRINTF("Data out %zd/%d\n", p->iov.size, s->data_len);
+ if (p->iov.size > s->data_len) {
goto fail;
+ }
- s->usb_buf = data;
- s->usb_len = len;
if (s->scsi_len) {
- usb_msd_copy_data(s);
+ usb_msd_copy_data(s, p);
}
- if (s->residue && s->usb_len) {
- s->data_len -= s->usb_len;
- if (s->data_len == 0)
- s->mode = USB_MSDM_CSW;
- s->usb_len = 0;
+ if (s->residue) {
+ int len = p->iov.size - p->result;
+ if (len) {
+ usb_packet_skip(p, len);
+ s->data_len -= len;
+ if (s->data_len == 0) {
+ s->mode = USB_MSDM_CSW;
+ }
+ }
}
- if (s->usb_len) {
+ if (p->result < p->iov.size) {
DPRINTF("Deferring packet %p\n", p);
s->packet = p;
ret = USB_RET_ASYNC;
} else {
- ret = len;
+ ret = p->result;
}
break;
default:
- DPRINTF("Unexpected write (len %d)\n", len);
+ DPRINTF("Unexpected write (len %zd)\n", p->iov.size);
goto fail;
}
break;
@@ -427,18 +420,20 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
switch (s->mode) {
case USB_MSDM_DATAOUT:
- if (s->data_len != 0 || len < 13)
+ if (s->data_len != 0 || p->iov.size < 13) {
goto fail;
+ }
/* Waiting for SCSI write to complete. */
s->packet = p;
ret = USB_RET_ASYNC;
break;
case USB_MSDM_CSW:
- DPRINTF("Command status %d tag 0x%x, len %d\n",
- s->result, s->tag, len);
- if (len < 13)
+ DPRINTF("Command status %d tag 0x%x, len %zd\n",
+ s->result, s->tag, p->iov.size);
+ if (p->iov.size < 13) {
goto fail;
+ }
usb_msd_send_status(s, p);
s->mode = USB_MSDM_CBW;
@@ -446,32 +441,32 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
break;
case USB_MSDM_DATAIN:
- DPRINTF("Data in %d/%d, scsi_len %d\n", len, s->data_len, s->scsi_len);
- if (len > s->data_len)
- len = s->data_len;
- s->usb_buf = data;
- s->usb_len = len;
+ DPRINTF("Data in %zd/%d, scsi_len %d\n",
+ p->iov.size, s->data_len, s->scsi_len);
if (s->scsi_len) {
- usb_msd_copy_data(s);
+ usb_msd_copy_data(s, p);
}
- if (s->residue && s->usb_len) {
- s->data_len -= s->usb_len;
- memset(s->usb_buf, 0, s->usb_len);
- if (s->data_len == 0)
- s->mode = USB_MSDM_CSW;
- s->usb_len = 0;
+ if (s->residue) {
+ int len = p->iov.size - p->result;
+ if (len) {
+ usb_packet_skip(p, len);
+ s->data_len -= len;
+ if (s->data_len == 0) {
+ s->mode = USB_MSDM_CSW;
+ }
+ }
}
- if (s->usb_len) {
+ if (p->result < p->iov.size) {
DPRINTF("Deferring packet %p\n", p);
s->packet = p;
ret = USB_RET_ASYNC;
} else {
- ret = len;
+ ret = p->result;
}
break;
default:
- DPRINTF("Unexpected read (len %d)\n", len);
+ DPRINTF("Unexpected read (len %zd)\n", p->iov.size);
goto fail;
}
break;
diff --git a/hw/usb-musb.c b/hw/usb-musb.c
index 035dda8372..d3ccde9199 100644
--- a/hw/usb-musb.c
+++ b/hw/usb-musb.c
@@ -365,6 +365,8 @@ struct MUSBState *musb_init(qemu_irq *irqs)
s->ep[i].maxp[1] = 0x40;
s->ep[i].musb = s;
s->ep[i].epnum = i;
+ usb_packet_init(&s->ep[i].packey[0].p);
+ usb_packet_init(&s->ep[i].packey[1].p);
}
usb_bus_new(&s->bus, &musb_bus_ops, NULL /* FIXME */);
@@ -605,12 +607,10 @@ static void musb_packet(MUSBState *s, MUSBEndPoint *ep,
ep->interrupt[dir] = ttype == USB_ENDPOINT_XFER_INT;
ep->delayed_cb[dir] = cb;
- ep->packey[dir].p.pid = pid;
/* A wild guess on the FADDR semantics... */
- ep->packey[dir].p.devaddr = ep->faddr[idx];
- ep->packey[dir].p.devep = ep->type[idx] & 0xf;
- ep->packey[dir].p.data = (void *) ep->buf[idx];
- ep->packey[dir].p.len = len;
+ usb_packet_setup(&ep->packey[dir].p, pid, ep->faddr[idx],
+ ep->type[idx] & 0xf);
+ usb_packet_addbuf(&ep->packey[dir].p, ep->buf[idx], len);
ep->packey[dir].ep = ep;
ep->packey[dir].dir = dir;
@@ -738,7 +738,7 @@ static void musb_rx_packet_complete(USBPacket *packey, void *opaque)
if (ep->status[1] == USB_RET_STALL) {
ep->status[1] = 0;
- packey->len = 0;
+ packey->result = 0;
ep->csr[1] |= MGC_M_RXCSR_H_RXSTALL;
if (!epnum)
@@ -752,7 +752,7 @@ static void musb_rx_packet_complete(USBPacket *packey, void *opaque)
* Data-errors in Isochronous. */
if (ep->interrupt[1])
return musb_packet(s, ep, epnum, USB_TOKEN_IN,
- packey->len, musb_rx_packet_complete, 1);
+ packey->iov.size, musb_rx_packet_complete, 1);
ep->csr[1] |= MGC_M_RXCSR_DATAERROR;
if (!epnum)
@@ -777,14 +777,14 @@ static void musb_rx_packet_complete(USBPacket *packey, void *opaque)
/* TODO: check len for over/underruns of an OUT packet? */
/* TODO: perhaps make use of e->ext_size[1] here. */
- packey->len = ep->status[1];
+ packey->result = ep->status[1];
if (!(ep->csr[1] & (MGC_M_RXCSR_H_RXSTALL | MGC_M_RXCSR_DATAERROR))) {
ep->csr[1] |= MGC_M_RXCSR_FIFOFULL | MGC_M_RXCSR_RXPKTRDY;
if (!epnum)
ep->csr[0] |= MGC_M_CSR0_RXPKTRDY;
- ep->rxcount = packey->len; /* XXX: MIN(packey->len, ep->maxp[1]); */
+ ep->rxcount = packey->result; /* XXX: MIN(packey->len, ep->maxp[1]); */
/* In DMA mode: assert DMA request for this EP */
}
@@ -856,12 +856,12 @@ static void musb_rx_req(MUSBState *s, int epnum)
* 64 bytes of the FIFO, only move the FIFO start and return. (Obsolete) */
if (ep->packey[1].p.pid == USB_TOKEN_IN && ep->status[1] >= 0 &&
(ep->fifostart[1]) + ep->rxcount <
- ep->packey[1].p.len) {
+ ep->packey[1].p.iov.size) {
TRACE("0x%08x, %d", ep->fifostart[1], ep->rxcount );
ep->fifostart[1] += ep->rxcount;
ep->fifolen[1] = 0;
- ep->rxcount = MIN(ep->packey[0].p.len - (ep->fifostart[1]),
+ ep->rxcount = MIN(ep->packey[0].p.iov.size - (ep->fifostart[1]),
ep->maxp[1]);
ep->csr[1] &= ~MGC_M_RXCSR_H_REQPKT;
diff --git a/hw/usb-net.c b/hw/usb-net.c
index 4212e5b3c5..0cb47d63b3 100644
--- a/hw/usb-net.c
+++ b/hw/usb-net.c
@@ -29,6 +29,7 @@
#include "net.h"
#include "qemu-queue.h"
#include "sysemu.h"
+#include "iov.h"
/*#define TRAFFIC_DEBUG*/
/* Thanks to NetChip Technologies for donating this product ID.
@@ -1121,28 +1122,23 @@ static int usb_net_handle_control(USBDevice *dev, USBPacket *p,
static int usb_net_handle_statusin(USBNetState *s, USBPacket *p)
{
+ le32 buf[2];
int ret = 8;
- if (p->len < 8)
+ if (p->iov.size < 8) {
return USB_RET_STALL;
+ }
- ((le32 *) p->data)[0] = cpu_to_le32(1);
- ((le32 *) p->data)[1] = cpu_to_le32(0);
+ buf[0] = cpu_to_le32(1);
+ buf[1] = cpu_to_le32(0);
+ usb_packet_copy(p, buf, 8);
if (!s->rndis_resp.tqh_first)
ret = USB_RET_NAK;
#ifdef TRAFFIC_DEBUG
- fprintf(stderr, "usbnet: interrupt poll len %u return %d", p->len, ret);
- {
- int i;
- fprintf(stderr, ":");
- for (i = 0; i < ret; i++) {
- if (!(i & 15))
- fprintf(stderr, "\n%04x:", i);
- fprintf(stderr, " %02x", p->data[i]);
- }
- fprintf(stderr, "\n\n");
- }
+ fprintf(stderr, "usbnet: interrupt poll len %zu return %d",
+ p->iov.size, ret);
+ iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", ret);
#endif
return ret;
@@ -1162,9 +1158,10 @@ static int usb_net_handle_datain(USBNetState *s, USBPacket *p)
return ret;
}
ret = s->in_len - s->in_ptr;
- if (ret > p->len)
- ret = p->len;
- memcpy(p->data, &s->in_buf[s->in_ptr], ret);
+ if (ret > p->iov.size) {
+ ret = p->iov.size;
+ }
+ usb_packet_copy(p, &s->in_buf[s->in_ptr], ret);
s->in_ptr += ret;
if (s->in_ptr >= s->in_len &&
(is_rndis(s) || (s->in_len & (64 - 1)) || !ret)) {
@@ -1173,17 +1170,8 @@ static int usb_net_handle_datain(USBNetState *s, USBPacket *p)
}
#ifdef TRAFFIC_DEBUG
- fprintf(stderr, "usbnet: data in len %u return %d", p->len, ret);
- {
- int i;
- fprintf(stderr, ":");
- for (i = 0; i < ret; i++) {
- if (!(i & 15))
- fprintf(stderr, "\n%04x:", i);
- fprintf(stderr, " %02x", p->data[i]);
- }
- fprintf(stderr, "\n\n");
- }
+ fprintf(stderr, "usbnet: data in len %zu return %d", p->iov.size, ret);
+ iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", ret);
#endif
return ret;
@@ -1191,29 +1179,20 @@ static int usb_net_handle_datain(USBNetState *s, USBPacket *p)
static int usb_net_handle_dataout(USBNetState *s, USBPacket *p)
{
- int ret = p->len;
+ int ret = p->iov.size;
int sz = sizeof(s->out_buf) - s->out_ptr;
struct rndis_packet_msg_type *msg =
(struct rndis_packet_msg_type *) s->out_buf;
uint32_t len;
#ifdef TRAFFIC_DEBUG
- fprintf(stderr, "usbnet: data out len %u\n", p->len);
- {
- int i;
- fprintf(stderr, ":");
- for (i = 0; i < p->len; i++) {
- if (!(i & 15))
- fprintf(stderr, "\n%04x:", i);
- fprintf(stderr, " %02x", p->data[i]);
- }
- fprintf(stderr, "\n\n");
- }
+ fprintf(stderr, "usbnet: data out len %zu\n", p->iov.size);
+ iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->iov.size);
#endif
if (sz > ret)
sz = ret;
- memcpy(&s->out_buf[s->out_ptr], p->data, sz);
+ usb_packet_copy(p, &s->out_buf[s->out_ptr], sz);
s->out_ptr += sz;
if (!is_rndis(s)) {
@@ -1277,8 +1256,8 @@ static int usb_net_handle_data(USBDevice *dev, USBPacket *p)
}
if (ret == USB_RET_STALL)
fprintf(stderr, "usbnet: failed data transaction: "
- "pid 0x%x ep 0x%x len 0x%x\n",
- p->pid, p->devep, p->len);
+ "pid 0x%x ep 0x%x len 0x%zx\n",
+ p->pid, p->devep, p->iov.size);
return ret;
}
diff --git a/hw/usb-ohci.c b/hw/usb-ohci.c
index 337b250261..d39bcb0c0d 100644
--- a/hw/usb-ohci.c
+++ b/hw/usb-ohci.c
@@ -777,18 +777,17 @@ static int ohci_service_iso_td(OHCIState *ohci, struct ohci_ed *ed,
}
if (completion) {
- ret = ohci->usb_packet.len;
+ ret = ohci->usb_packet.result;
} else {
ret = USB_RET_NODEV;
for (i = 0; i < ohci->num_ports; i++) {
dev = ohci->rhport[i].port.dev;
if ((ohci->rhport[i].ctrl & OHCI_PORT_PES) == 0)
continue;
- ohci->usb_packet.pid = pid;
- ohci->usb_packet.devaddr = OHCI_BM(ed->flags, ED_FA);
- ohci->usb_packet.devep = OHCI_BM(ed->flags, ED_EN);
- ohci->usb_packet.data = ohci->usb_buf;
- ohci->usb_packet.len = len;
+ usb_packet_setup(&ohci->usb_packet, pid,
+ OHCI_BM(ed->flags, ED_FA),
+ OHCI_BM(ed->flags, ED_EN));
+ usb_packet_addbuf(&ohci->usb_packet, ohci->usb_buf, len);
ret = usb_handle_packet(dev, &ohci->usb_packet);
if (ret != USB_RET_NODEV)
break;
@@ -959,7 +958,7 @@ static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed)
}
#endif
if (completion) {
- ret = ohci->usb_packet.len;
+ ret = ohci->usb_packet.result;
ohci->async_td = 0;
ohci->async_complete = 0;
} else {
@@ -980,11 +979,10 @@ static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed)
#endif
return 1;
}
- ohci->usb_packet.pid = pid;
- ohci->usb_packet.devaddr = OHCI_BM(ed->flags, ED_FA);
- ohci->usb_packet.devep = OHCI_BM(ed->flags, ED_EN);
- ohci->usb_packet.data = ohci->usb_buf;
- ohci->usb_packet.len = len;
+ usb_packet_setup(&ohci->usb_packet, pid,
+ OHCI_BM(ed->flags, ED_FA),
+ OHCI_BM(ed->flags, ED_EN));
+ usb_packet_addbuf(&ohci->usb_packet, ohci->usb_buf, len);
ret = usb_handle_packet(dev, &ohci->usb_packet);
if (ret != USB_RET_NODEV)
break;
@@ -1761,6 +1759,7 @@ static int usb_ohci_init(OHCIState *ohci, DeviceState *dev,
ohci->localmem_base = localmem_base;
ohci->name = dev->info->name;
+ usb_packet_init(&ohci->usb_packet);
ohci->async_td = 0;
qemu_register_reset(ohci_reset, ohci);
diff --git a/hw/usb-serial.c b/hw/usb-serial.c
index 298c1e9d95..bf2b775e83 100644
--- a/hw/usb-serial.c
+++ b/hw/usb-serial.c
@@ -359,37 +359,42 @@ static int usb_serial_handle_control(USBDevice *dev, USBPacket *p,
static int usb_serial_handle_data(USBDevice *dev, USBPacket *p)
{
USBSerialState *s = (USBSerialState *)dev;
- int ret = 0;
+ int i, ret = 0;
uint8_t devep = p->devep;
- uint8_t *data = p->data;
- int len = p->len;
- int first_len;
+ struct iovec *iov;
+ uint8_t header[2];
+ int first_len, len;
switch (p->pid) {
case USB_TOKEN_OUT:
if (devep != 2)
goto fail;
- qemu_chr_write(s->cs, data, len);
+ for (i = 0; i < p->iov.niov; i++) {
+ iov = p->iov.iov + i;
+ qemu_chr_write(s->cs, iov->iov_base, iov->iov_len);
+ }
break;
case USB_TOKEN_IN:
if (devep != 1)
goto fail;
first_len = RECV_BUF - s->recv_ptr;
+ len = p->iov.size;
if (len <= 2) {
ret = USB_RET_NAK;
break;
}
- *data++ = usb_get_modem_lines(s) | 1;
+ header[0] = usb_get_modem_lines(s) | 1;
/* We do not have the uart details */
/* handle serial break */
if (s->event_trigger && s->event_trigger & FTDI_BI) {
s->event_trigger &= ~FTDI_BI;
- *data = FTDI_BI;
+ header[1] = FTDI_BI;
+ usb_packet_copy(p, header, 2);
ret = 2;
break;
} else {
- *data++ = 0;
+ header[1] = 0;
}
len -= 2;
if (len > s->recv_used)
@@ -400,9 +405,10 @@ static int usb_serial_handle_data(USBDevice *dev, USBPacket *p)
}
if (first_len > len)
first_len = len;
- memcpy(data, s->recv_buf + s->recv_ptr, first_len);
+ usb_packet_copy(p, header, 2);
+ usb_packet_copy(p, s->recv_buf + s->recv_ptr, first_len);
if (len > first_len)
- memcpy(data + first_len, s->recv_buf, len - first_len);
+ usb_packet_copy(p, s->recv_buf, len - first_len);
s->recv_used -= len;
s->recv_ptr = (s->recv_ptr + len) % RECV_BUF;
ret = len + 2;
diff --git a/hw/usb-uhci.c b/hw/usb-uhci.c
index da74c57c62..824e3a5e8b 100644
--- a/hw/usb-uhci.c
+++ b/hw/usb-uhci.c
@@ -30,6 +30,8 @@
#include "pci.h"
#include "qemu-timer.h"
#include "usb-uhci.h"
+#include "iov.h"
+#include "dma.h"
//#define DEBUG
//#define DEBUG_DUMP_DATA
@@ -93,17 +95,12 @@ static const char *pid2str(int pid)
#endif
#ifdef DEBUG_DUMP_DATA
-static void dump_data(const uint8_t *data, int len)
+static void dump_data(USBPacket *p, int ret)
{
- int i;
-
- printf("uhci: data: ");
- for(i = 0; i < len; i++)
- printf(" %02x", data[i]);
- printf("\n");
+ iov_hexdump(p->iov.iov, p->iov.niov, stderr, "uhci", ret);
}
#else
-static void dump_data(const uint8_t *data, int len) {}
+static void dump_data(USBPacket *p, int ret) {}
#endif
typedef struct UHCIState UHCIState;
@@ -115,6 +112,7 @@ typedef struct UHCIState UHCIState;
*/
typedef struct UHCIAsync {
USBPacket packet;
+ QEMUSGList sgl;
UHCIState *uhci;
QTAILQ_ENTRY(UHCIAsync) next;
uint32_t td;
@@ -122,7 +120,6 @@ typedef struct UHCIAsync {
int8_t valid;
uint8_t isoc;
uint8_t done;
- uint8_t buffer[2048];
} UHCIAsync;
typedef struct UHCIPort {
@@ -179,12 +176,16 @@ static UHCIAsync *uhci_async_alloc(UHCIState *s)
async->token = 0;
async->done = 0;
async->isoc = 0;
+ usb_packet_init(&async->packet);
+ qemu_sglist_init(&async->sgl, 1);
return async;
}
static void uhci_async_free(UHCIState *s, UHCIAsync *async)
{
+ usb_packet_cleanup(&async->packet);
+ qemu_sglist_destroy(&async->sgl);
qemu_free(async);
}
@@ -648,10 +649,10 @@ static int uhci_broadcast_packet(UHCIState *s, USBPacket *p)
{
int i, ret;
- DPRINTF("uhci: packet enter. pid %s addr 0x%02x ep %d len %d\n",
- pid2str(p->pid), p->devaddr, p->devep, p->len);
+ DPRINTF("uhci: packet enter. pid %s addr 0x%02x ep %d len %zd\n",
+ pid2str(p->pid), p->devaddr, p->devep, p->iov.size);
if (p->pid == USB_TOKEN_OUT || p->pid == USB_TOKEN_SETUP)
- dump_data(p->data, p->len);
+ dump_data(p, 0);
ret = USB_RET_NODEV;
for (i = 0; i < NB_PORTS && ret == USB_RET_NODEV; i++) {
@@ -662,9 +663,9 @@ static int uhci_broadcast_packet(UHCIState *s, USBPacket *p)
ret = usb_handle_packet(dev, p);
}
- DPRINTF("uhci: packet exit. ret %d len %d\n", ret, p->len);
+ DPRINTF("uhci: packet exit. ret %d len %zd\n", ret, p->iov.size);
if (p->pid == USB_TOKEN_IN && ret > 0)
- dump_data(p->data, ret);
+ dump_data(p, ret);
return ret;
}
@@ -684,7 +685,7 @@ static int uhci_complete_td(UHCIState *s, UHCI_TD *td, UHCIAsync *async, uint32_
max_len = ((td->token >> 21) + 1) & 0x7ff;
pid = td->token & 0xff;
- ret = async->packet.len;
+ ret = async->packet.result;
if (td->ctrl & TD_CTRL_IOS)
td->ctrl &= ~TD_CTRL_ACTIVE;
@@ -692,7 +693,7 @@ static int uhci_complete_td(UHCIState *s, UHCI_TD *td, UHCIAsync *async, uint32_
if (ret < 0)
goto out;
- len = async->packet.len;
+ len = async->packet.result;
td->ctrl = (td->ctrl & ~0x7ff) | ((len - 1) & 0x7ff);
/* The NAK bit may have been set by a previous frame, so clear it
@@ -708,11 +709,6 @@ static int uhci_complete_td(UHCIState *s, UHCI_TD *td, UHCIAsync *async, uint32_
goto out;
}
- if (len > 0) {
- /* write the data back */
- cpu_physical_memory_write(td->buffer, async->buffer, len);
- }
-
if ((td->ctrl & TD_CTRL_SPD) && len < max_len) {
*int_mask |= 0x02;
/* short packet: do not update QH */
@@ -827,16 +823,14 @@ static int uhci_handle_td(UHCIState *s, uint32_t addr, UHCI_TD *td, uint32_t *in
max_len = ((td->token >> 21) + 1) & 0x7ff;
pid = td->token & 0xff;
- async->packet.pid = pid;
- async->packet.devaddr = (td->token >> 8) & 0x7f;
- async->packet.devep = (td->token >> 15) & 0xf;
- async->packet.data = async->buffer;
- async->packet.len = max_len;
+ usb_packet_setup(&async->packet, pid, (td->token >> 8) & 0x7f,
+ (td->token >> 15) & 0xf);
+ qemu_sglist_add(&async->sgl, td->buffer, max_len);
+ usb_packet_map(&async->packet, &async->sgl);
switch(pid) {
case USB_TOKEN_OUT:
case USB_TOKEN_SETUP:
- cpu_physical_memory_read(td->buffer, async->buffer, max_len);
len = uhci_broadcast_packet(s, &async->packet);
if (len >= 0)
len = max_len;
@@ -859,10 +853,11 @@ static int uhci_handle_td(UHCIState *s, uint32_t addr, UHCI_TD *td, uint32_t *in
return 2;
}
- async->packet.len = len;
+ async->packet.result = len;
done:
len = uhci_complete_td(s, td, async, int_mask);
+ usb_packet_unmap(&async->packet);
uhci_async_free(s, async);
return len;
}
diff --git a/hw/usb-wacom.c b/hw/usb-wacom.c
index d76ee97e49..25580067f2 100644
--- a/hw/usb-wacom.c
+++ b/hw/usb-wacom.c
@@ -308,6 +308,7 @@ static int usb_wacom_handle_control(USBDevice *dev, USBPacket *p,
static int usb_wacom_handle_data(USBDevice *dev, USBPacket *p)
{
USBWacomState *s = (USBWacomState *) dev;
+ uint8_t buf[p->iov.size];
int ret = 0;
switch (p->pid) {
@@ -317,9 +318,10 @@ static int usb_wacom_handle_data(USBDevice *dev, USBPacket *p)
return USB_RET_NAK;
s->changed = 0;
if (s->mode == WACOM_MODE_HID)
- ret = usb_mouse_poll(s, p->data, p->len);
+ ret = usb_mouse_poll(s, buf, p->iov.size);
else if (s->mode == WACOM_MODE_WACOM)
- ret = usb_wacom_poll(s, p->data, p->len);
+ ret = usb_wacom_poll(s, buf, p->iov.size);
+ usb_packet_copy(p, buf, ret);
break;
}
/* Fall through. */
diff --git a/hw/usb.c b/hw/usb.c
index 27a983ca5c..685e775a00 100644
--- a/hw/usb.c
+++ b/hw/usb.c
@@ -25,6 +25,7 @@
*/
#include "qemu-common.h"
#include "usb.h"
+#include "iov.h"
void usb_attach(USBPort *port, USBDevice *dev)
{
@@ -72,10 +73,11 @@ static int do_token_setup(USBDevice *s, USBPacket *p)
int request, value, index;
int ret = 0;
- if (p->len != 8)
+ if (p->iov.size != 8) {
return USB_RET_STALL;
-
- memcpy(s->setup_buf, p->data, 8);
+ }
+
+ usb_packet_copy(p, s->setup_buf, p->iov.size);
s->setup_len = (s->setup_buf[7] << 8) | s->setup_buf[6];
s->setup_index = 0;
@@ -144,9 +146,10 @@ static int do_token_in(USBDevice *s, USBPacket *p)
case SETUP_STATE_DATA:
if (s->setup_buf[0] & USB_DIR_IN) {
int len = s->setup_len - s->setup_index;
- if (len > p->len)
- len = p->len;
- memcpy(p->data, s->data_buf + s->setup_index, len);
+ if (len > p->iov.size) {
+ len = p->iov.size;
+ }
+ usb_packet_copy(p, s->data_buf + s->setup_index, len);
s->setup_index += len;
if (s->setup_index >= s->setup_len)
s->setup_state = SETUP_STATE_ACK;
@@ -179,9 +182,10 @@ static int do_token_out(USBDevice *s, USBPacket *p)
case SETUP_STATE_DATA:
if (!(s->setup_buf[0] & USB_DIR_IN)) {
int len = s->setup_len - s->setup_index;
- if (len > p->len)
- len = p->len;
- memcpy(s->data_buf + s->setup_index, p->data, len);
+ if (len > p->iov.size) {
+ len = p->iov.size;
+ }
+ usb_packet_copy(p, s->data_buf + s->setup_index, len);
s->setup_index += len;
if (s->setup_index >= s->setup_len)
s->setup_state = SETUP_STATE_ACK;
@@ -251,22 +255,22 @@ int usb_generic_handle_packet(USBDevice *s, USBPacket *p)
usb_packet_complete to complete their async control packets. */
void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p)
{
- if (p->len < 0) {
+ if (p->result < 0) {
s->setup_state = SETUP_STATE_IDLE;
}
switch (s->setup_state) {
case SETUP_STATE_SETUP:
- if (p->len < s->setup_len) {
- s->setup_len = p->len;
+ if (p->result < s->setup_len) {
+ s->setup_len = p->result;
}
s->setup_state = SETUP_STATE_DATA;
- p->len = 8;
+ p->result = 8;
break;
case SETUP_STATE_ACK:
s->setup_state = SETUP_STATE_IDLE;
- p->len = 0;
+ p->result = 0;
break;
default:
@@ -347,3 +351,57 @@ void usb_cancel_packet(USBPacket * p)
p->owner->info->cancel_packet(p->owner, p);
p->owner = NULL;
}
+
+
+void usb_packet_init(USBPacket *p)
+{
+ qemu_iovec_init(&p->iov, 1);
+}
+
+void usb_packet_setup(USBPacket *p, int pid, uint8_t addr, uint8_t ep)
+{
+ p->pid = pid;
+ p->devaddr = addr;
+ p->devep = ep;
+ p->result = 0;
+ qemu_iovec_reset(&p->iov);
+}
+
+void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len)
+{
+ qemu_iovec_add(&p->iov, ptr, len);
+}
+
+void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes)
+{
+ assert(p->result >= 0);
+ assert(p->result + bytes <= p->iov.size);
+ switch (p->pid) {
+ case USB_TOKEN_SETUP:
+ case USB_TOKEN_OUT:
+ iov_to_buf(p->iov.iov, p->iov.niov, ptr, p->result, bytes);
+ break;
+ case USB_TOKEN_IN:
+ iov_from_buf(p->iov.iov, p->iov.niov, ptr, p->result, bytes);
+ break;
+ default:
+ fprintf(stderr, "%s: invalid pid: %x\n", __func__, p->pid);
+ abort();
+ }
+ p->result += bytes;
+}
+
+void usb_packet_skip(USBPacket *p, size_t bytes)
+{
+ assert(p->result >= 0);
+ assert(p->result + bytes <= p->iov.size);
+ if (p->pid == USB_TOKEN_IN) {
+ iov_clear(p->iov.iov, p->iov.niov, p->result, bytes);
+ }
+ p->result += bytes;
+}
+
+void usb_packet_cleanup(USBPacket *p)
+{
+ qemu_iovec_destroy(&p->iov);
+}
diff --git a/hw/usb.h b/hw/usb.h
index ded2de29b9..84d04df2e1 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -285,12 +285,21 @@ struct USBPacket {
int pid;
uint8_t devaddr;
uint8_t devep;
- uint8_t *data;
- int len;
+ QEMUIOVector iov;
+ int result; /* transfer length or USB_RET_* status code */
/* Internal use by the USB layer. */
USBDevice *owner;
};
+void usb_packet_init(USBPacket *p);
+void usb_packet_setup(USBPacket *p, int pid, uint8_t addr, uint8_t ep);
+void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len);
+int usb_packet_map(USBPacket *p, QEMUSGList *sgl);
+void usb_packet_unmap(USBPacket *p);
+void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes);
+void usb_packet_skip(USBPacket *p, size_t bytes);
+void usb_packet_cleanup(USBPacket *p);
+
int usb_handle_packet(USBDevice *dev, USBPacket *p);
void usb_packet_complete(USBDevice *dev, USBPacket *p);
void usb_cancel_packet(USBPacket * p);
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-12 12:15:15 +0000