socsvn commit: r253552 - in soc2013/syuu/bhyve_usb/usr.sbin/bhyve: . usb
syuu at FreeBSD.org
syuu at FreeBSD.org
Wed Jun 26 19:23:55 UTC 2013
Author: syuu
Date: Wed Jun 26 19:23:54 2013
New Revision: 253552
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=253552
Log:
inital import of UHCI emulator
Added:
soc2013/syuu/bhyve_usb/usr.sbin/bhyve/usb/
soc2013/syuu/bhyve_usb/usr.sbin/bhyve/usb/core.c
soc2013/syuu/bhyve_usb/usr.sbin/bhyve/usb/hcd-uhci.c
soc2013/syuu/bhyve_usb/usr.sbin/bhyve/usb/usb.h
Modified:
soc2013/syuu/bhyve_usb/usr.sbin/bhyve/Makefile
Modified: soc2013/syuu/bhyve_usb/usr.sbin/bhyve/Makefile
==============================================================================
--- soc2013/syuu/bhyve_usb/usr.sbin/bhyve/Makefile Wed Jun 26 18:12:38 2013 (r253551)
+++ soc2013/syuu/bhyve_usb/usr.sbin/bhyve/Makefile Wed Jun 26 19:23:54 2013 (r253552)
@@ -15,6 +15,9 @@
.PATH: ${.CURDIR}/../../sys/amd64/vmm
SRCS+= vmm_instruction_emul.c
+.PATH: ${.CURDIR}/usb
+SRCS+= core.c hcd-uhci.c
+
NO_MAN=
DPADD= ${LIBVMMAPI} ${LIBMD} ${LIBPTHREAD}
Added: soc2013/syuu/bhyve_usb/usr.sbin/bhyve/usb/core.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ soc2013/syuu/bhyve_usb/usr.sbin/bhyve/usb/core.c Wed Jun 26 19:23:54 2013 (r253552)
@@ -0,0 +1,788 @@
+/*
+ * QEMU USB emulation
+ *
+ * Copyright (c) 2005 Fabrice Bellard
+ *
+ * 2008 Generic packet handler rewrite by Max Krasnyansky
+ *
+ * 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 "hw/usb.h"
+#include "qemu/iov.h"
+#include "trace.h"
+
+void usb_attach(USBPort *port)
+{
+ USBDevice *dev = port->dev;
+
+ assert(dev != NULL);
+ assert(dev->attached);
+ assert(dev->state == USB_STATE_NOTATTACHED);
+ port->ops->attach(port);
+ dev->state = USB_STATE_ATTACHED;
+ usb_device_handle_attach(dev);
+}
+
+void usb_detach(USBPort *port)
+{
+ USBDevice *dev = port->dev;
+
+ assert(dev != NULL);
+ assert(dev->state != USB_STATE_NOTATTACHED);
+ port->ops->detach(port);
+ dev->state = USB_STATE_NOTATTACHED;
+}
+
+void usb_port_reset(USBPort *port)
+{
+ USBDevice *dev = port->dev;
+
+ assert(dev != NULL);
+ usb_detach(port);
+ usb_attach(port);
+ usb_device_reset(dev);
+}
+
+void usb_device_reset(USBDevice *dev)
+{
+ if (dev == NULL || !dev->attached) {
+ return;
+ }
+ dev->remote_wakeup = 0;
+ dev->addr = 0;
+ dev->state = USB_STATE_DEFAULT;
+ usb_device_handle_reset(dev);
+}
+
+void usb_wakeup(USBEndpoint *ep, unsigned int stream)
+{
+ USBDevice *dev = ep->dev;
+ USBBus *bus = usb_bus_from_device(dev);
+
+ if (dev->remote_wakeup && dev->port && dev->port->ops->wakeup) {
+ dev->port->ops->wakeup(dev->port);
+ }
+ if (bus->ops->wakeup_endpoint) {
+ bus->ops->wakeup_endpoint(bus, ep, stream);
+ }
+}
+
+/**********************/
+
+/* generic USB device helpers (you are not forced to use them when
+ writing your USB device driver, but they help handling the
+ protocol)
+*/
+
+#define SETUP_STATE_IDLE 0
+#define SETUP_STATE_SETUP 1
+#define SETUP_STATE_DATA 2
+#define SETUP_STATE_ACK 3
+#define SETUP_STATE_PARAM 4
+
+static void do_token_setup(USBDevice *s, USBPacket *p)
+{
+ int request, value, index;
+
+ if (p->iov.size != 8) {
+ p->status = USB_RET_STALL;
+ return;
+ }
+
+ usb_packet_copy(p, s->setup_buf, p->iov.size);
+ p->actual_length = 0;
+ s->setup_len = (s->setup_buf[7] << 8) | s->setup_buf[6];
+ s->setup_index = 0;
+
+ request = (s->setup_buf[0] << 8) | s->setup_buf[1];
+ value = (s->setup_buf[3] << 8) | s->setup_buf[2];
+ index = (s->setup_buf[5] << 8) | s->setup_buf[4];
+
+ if (s->setup_buf[0] & USB_DIR_IN) {
+ usb_device_handle_control(s, p, request, value, index,
+ s->setup_len, s->data_buf);
+ if (p->status == USB_RET_ASYNC) {
+ s->setup_state = SETUP_STATE_SETUP;
+ }
+ if (p->status != USB_RET_SUCCESS) {
+ return;
+ }
+
+ if (p->actual_length < s->setup_len) {
+ s->setup_len = p->actual_length;
+ }
+ s->setup_state = SETUP_STATE_DATA;
+ } else {
+ if (s->setup_len > sizeof(s->data_buf)) {
+ fprintf(stderr,
+ "usb_generic_handle_packet: ctrl buffer too small (%d > %zu)\n",
+ s->setup_len, sizeof(s->data_buf));
+ p->status = USB_RET_STALL;
+ return;
+ }
+ if (s->setup_len == 0)
+ s->setup_state = SETUP_STATE_ACK;
+ else
+ s->setup_state = SETUP_STATE_DATA;
+ }
+
+ p->actual_length = 8;
+}
+
+static void do_token_in(USBDevice *s, USBPacket *p)
+{
+ int request, value, index;
+
+ assert(p->ep->nr == 0);
+
+ request = (s->setup_buf[0] << 8) | s->setup_buf[1];
+ value = (s->setup_buf[3] << 8) | s->setup_buf[2];
+ index = (s->setup_buf[5] << 8) | s->setup_buf[4];
+
+ switch(s->setup_state) {
+ case SETUP_STATE_ACK:
+ if (!(s->setup_buf[0] & USB_DIR_IN)) {
+ usb_device_handle_control(s, p, request, value, index,
+ s->setup_len, s->data_buf);
+ if (p->status == USB_RET_ASYNC) {
+ return;
+ }
+ s->setup_state = SETUP_STATE_IDLE;
+ p->actual_length = 0;
+ }
+ break;
+
+ case SETUP_STATE_DATA:
+ if (s->setup_buf[0] & USB_DIR_IN) {
+ int len = s->setup_len - s->setup_index;
+ 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;
+ }
+ return;
+ }
+ s->setup_state = SETUP_STATE_IDLE;
+ p->status = USB_RET_STALL;
+ break;
+
+ default:
+ p->status = USB_RET_STALL;
+ }
+}
+
+static void do_token_out(USBDevice *s, USBPacket *p)
+{
+ assert(p->ep->nr == 0);
+
+ switch(s->setup_state) {
+ case SETUP_STATE_ACK:
+ if (s->setup_buf[0] & USB_DIR_IN) {
+ s->setup_state = SETUP_STATE_IDLE;
+ /* transfer OK */
+ } else {
+ /* ignore additional output */
+ }
+ break;
+
+ case SETUP_STATE_DATA:
+ if (!(s->setup_buf[0] & USB_DIR_IN)) {
+ int len = s->setup_len - s->setup_index;
+ 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;
+ }
+ return;
+ }
+ s->setup_state = SETUP_STATE_IDLE;
+ p->status = USB_RET_STALL;
+ break;
+
+ default:
+ p->status = USB_RET_STALL;
+ }
+}
+
+static void do_parameter(USBDevice *s, USBPacket *p)
+{
+ int i, request, value, index;
+
+ for (i = 0; i < 8; i++) {
+ s->setup_buf[i] = p->parameter >> (i*8);
+ }
+
+ s->setup_state = SETUP_STATE_PARAM;
+ s->setup_len = (s->setup_buf[7] << 8) | s->setup_buf[6];
+ s->setup_index = 0;
+
+ request = (s->setup_buf[0] << 8) | s->setup_buf[1];
+ value = (s->setup_buf[3] << 8) | s->setup_buf[2];
+ index = (s->setup_buf[5] << 8) | s->setup_buf[4];
+
+ if (s->setup_len > sizeof(s->data_buf)) {
+ fprintf(stderr,
+ "usb_generic_handle_packet: ctrl buffer too small (%d > %zu)\n",
+ s->setup_len, sizeof(s->data_buf));
+ p->status = USB_RET_STALL;
+ return;
+ }
+
+ if (p->pid == USB_TOKEN_OUT) {
+ usb_packet_copy(p, s->data_buf, s->setup_len);
+ }
+
+ usb_device_handle_control(s, p, request, value, index,
+ s->setup_len, s->data_buf);
+ if (p->status == USB_RET_ASYNC) {
+ return;
+ }
+
+ if (p->actual_length < s->setup_len) {
+ s->setup_len = p->actual_length;
+ }
+ if (p->pid == USB_TOKEN_IN) {
+ p->actual_length = 0;
+ usb_packet_copy(p, s->data_buf, s->setup_len);
+ }
+}
+
+/* ctrl complete function for devices which use usb_generic_handle_packet and
+ may return USB_RET_ASYNC from their handle_control callback. Device code
+ which does this *must* call this function instead of the normal
+ usb_packet_complete to complete their async control packets. */
+void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p)
+{
+ if (p->status < 0) {
+ s->setup_state = SETUP_STATE_IDLE;
+ }
+
+ switch (s->setup_state) {
+ case SETUP_STATE_SETUP:
+ if (p->actual_length < s->setup_len) {
+ s->setup_len = p->actual_length;
+ }
+ s->setup_state = SETUP_STATE_DATA;
+ p->actual_length = 8;
+ break;
+
+ case SETUP_STATE_ACK:
+ s->setup_state = SETUP_STATE_IDLE;
+ p->actual_length = 0;
+ break;
+
+ case SETUP_STATE_PARAM:
+ if (p->actual_length < s->setup_len) {
+ s->setup_len = p->actual_length;
+ }
+ if (p->pid == USB_TOKEN_IN) {
+ p->actual_length = 0;
+ usb_packet_copy(p, s->data_buf, s->setup_len);
+ }
+ break;
+
+ default:
+ break;
+ }
+ usb_packet_complete(s, p);
+}
+
+/* XXX: fix overflow */
+int set_usb_string(uint8_t *buf, const char *str)
+{
+ int len, i;
+ uint8_t *q;
+
+ q = buf;
+ len = strlen(str);
+ *q++ = 2 * len + 2;
+ *q++ = 3;
+ for(i = 0; i < len; i++) {
+ *q++ = str[i];
+ *q++ = 0;
+ }
+ return q - buf;
+}
+
+USBDevice *usb_find_device(USBPort *port, uint8_t addr)
+{
+ USBDevice *dev = port->dev;
+
+ if (dev == NULL || !dev->attached || dev->state != USB_STATE_DEFAULT) {
+ return NULL;
+ }
+ if (dev->addr == addr) {
+ return dev;
+ }
+ return usb_device_find_device(dev, addr);
+}
+
+static void usb_process_one(USBPacket *p)
+{
+ USBDevice *dev = p->ep->dev;
+
+ /*
+ * Handlers expect status to be initialized to USB_RET_SUCCESS, but it
+ * can be USB_RET_NAK here from a previous usb_process_one() call,
+ * or USB_RET_ASYNC from going through usb_queue_one().
+ */
+ p->status = USB_RET_SUCCESS;
+
+ if (p->ep->nr == 0) {
+ /* control pipe */
+ if (p->parameter) {
+ do_parameter(dev, p);
+ return;
+ }
+ switch (p->pid) {
+ case USB_TOKEN_SETUP:
+ do_token_setup(dev, p);
+ break;
+ case USB_TOKEN_IN:
+ do_token_in(dev, p);
+ break;
+ case USB_TOKEN_OUT:
+ do_token_out(dev, p);
+ break;
+ default:
+ p->status = USB_RET_STALL;
+ }
+ } else {
+ /* data pipe */
+ usb_device_handle_data(dev, p);
+ }
+}
+
+static void usb_queue_one(USBPacket *p)
+{
+ usb_packet_set_state(p, USB_PACKET_QUEUED);
+ QTAILQ_INSERT_TAIL(&p->ep->queue, p, queue);
+ p->status = USB_RET_ASYNC;
+}
+
+/* Hand over a packet to a device for processing. p->status ==
+ USB_RET_ASYNC indicates the processing isn't finished yet, the
+ driver will call usb_packet_complete() when done processing it. */
+void usb_handle_packet(USBDevice *dev, USBPacket *p)
+{
+ if (dev == NULL) {
+ p->status = USB_RET_NODEV;
+ return;
+ }
+ assert(dev == p->ep->dev);
+ assert(dev->state == USB_STATE_DEFAULT);
+ usb_packet_check_state(p, USB_PACKET_SETUP);
+ assert(p->ep != NULL);
+
+ /* Submitting a new packet clears halt */
+ if (p->ep->halted) {
+ assert(QTAILQ_EMPTY(&p->ep->queue));
+ p->ep->halted = false;
+ }
+
+ if (QTAILQ_EMPTY(&p->ep->queue) || p->ep->pipeline) {
+ usb_process_one(p);
+ if (p->status == USB_RET_ASYNC) {
+ /* hcd drivers cannot handle async for isoc */
+ assert(p->ep->type != USB_ENDPOINT_XFER_ISOC);
+ /* using async for interrupt packets breaks migration */
+ assert(p->ep->type != USB_ENDPOINT_XFER_INT ||
+ (dev->flags & (1 << USB_DEV_FLAG_IS_HOST)));
+ usb_packet_set_state(p, USB_PACKET_ASYNC);
+ QTAILQ_INSERT_TAIL(&p->ep->queue, p, queue);
+ } else if (p->status == USB_RET_ADD_TO_QUEUE) {
+ usb_queue_one(p);
+ } else {
+ /*
+ * When pipelining is enabled usb-devices must always return async,
+ * otherwise packets can complete out of order!
+ */
+ assert(!p->ep->pipeline || QTAILQ_EMPTY(&p->ep->queue));
+ if (p->status != USB_RET_NAK) {
+ usb_packet_set_state(p, USB_PACKET_COMPLETE);
+ }
+ }
+ } else {
+ usb_queue_one(p);
+ }
+}
+
+void usb_packet_complete_one(USBDevice *dev, USBPacket *p)
+{
+ USBEndpoint *ep = p->ep;
+
+ assert(QTAILQ_FIRST(&ep->queue) == p);
+ assert(p->status != USB_RET_ASYNC && p->status != USB_RET_NAK);
+
+ if (p->status != USB_RET_SUCCESS ||
+ (p->short_not_ok && (p->actual_length < p->iov.size))) {
+ ep->halted = true;
+ }
+ usb_packet_set_state(p, USB_PACKET_COMPLETE);
+ QTAILQ_REMOVE(&ep->queue, p, queue);
+ dev->port->ops->complete(dev->port, p);
+}
+
+/* Notify the controller that an async packet is complete. This should only
+ be called for packets previously deferred by returning USB_RET_ASYNC from
+ handle_packet. */
+void usb_packet_complete(USBDevice *dev, USBPacket *p)
+{
+ USBEndpoint *ep = p->ep;
+
+ usb_packet_check_state(p, USB_PACKET_ASYNC);
+ usb_packet_complete_one(dev, p);
+
+ while (!QTAILQ_EMPTY(&ep->queue)) {
+ p = QTAILQ_FIRST(&ep->queue);
+ if (ep->halted) {
+ /* Empty the queue on a halt */
+ p->status = USB_RET_REMOVE_FROM_QUEUE;
+ dev->port->ops->complete(dev->port, p);
+ continue;
+ }
+ if (p->state == USB_PACKET_ASYNC) {
+ break;
+ }
+ usb_packet_check_state(p, USB_PACKET_QUEUED);
+ usb_process_one(p);
+ if (p->status == USB_RET_ASYNC) {
+ usb_packet_set_state(p, USB_PACKET_ASYNC);
+ break;
+ }
+ usb_packet_complete_one(ep->dev, p);
+ }
+}
+
+/* Cancel an active packet. The packed must have been deferred by
+ returning USB_RET_ASYNC from handle_packet, and not yet
+ completed. */
+void usb_cancel_packet(USBPacket * p)
+{
+ bool callback = (p->state == USB_PACKET_ASYNC);
+ assert(usb_packet_is_inflight(p));
+ usb_packet_set_state(p, USB_PACKET_CANCELED);
+ QTAILQ_REMOVE(&p->ep->queue, p, queue);
+ if (callback) {
+ usb_device_cancel_packet(p->ep->dev, p);
+ }
+}
+
+
+void usb_packet_init(USBPacket *p)
+{
+ qemu_iovec_init(&p->iov, 1);
+}
+
+static const char *usb_packet_state_name(USBPacketState state)
+{
+ static const char *name[] = {
+ [USB_PACKET_UNDEFINED] = "undef",
+ [USB_PACKET_SETUP] = "setup",
+ [USB_PACKET_QUEUED] = "queued",
+ [USB_PACKET_ASYNC] = "async",
+ [USB_PACKET_COMPLETE] = "complete",
+ [USB_PACKET_CANCELED] = "canceled",
+ };
+ if (state < ARRAY_SIZE(name)) {
+ return name[state];
+ }
+ return "INVALID";
+}
+
+void usb_packet_check_state(USBPacket *p, USBPacketState expected)
+{
+ USBDevice *dev;
+ USBBus *bus;
+
+ if (p->state == expected) {
+ return;
+ }
+ dev = p->ep->dev;
+ bus = usb_bus_from_device(dev);
+ trace_usb_packet_state_fault(bus->busnr, dev->port->path, p->ep->nr, p,
+ usb_packet_state_name(p->state),
+ usb_packet_state_name(expected));
+ assert(!"usb packet state check failed");
+}
+
+void usb_packet_set_state(USBPacket *p, USBPacketState state)
+{
+ if (p->ep) {
+ USBDevice *dev = p->ep->dev;
+ USBBus *bus = usb_bus_from_device(dev);
+ trace_usb_packet_state_change(bus->busnr, dev->port->path, p->ep->nr, p,
+ usb_packet_state_name(p->state),
+ usb_packet_state_name(state));
+ } else {
+ trace_usb_packet_state_change(-1, "", -1, p,
+ usb_packet_state_name(p->state),
+ usb_packet_state_name(state));
+ }
+ p->state = state;
+}
+
+void usb_packet_setup(USBPacket *p, int pid,
+ USBEndpoint *ep, unsigned int stream,
+ uint64_t id, bool short_not_ok, bool int_req)
+{
+ assert(!usb_packet_is_inflight(p));
+ assert(p->iov.iov != NULL);
+ p->id = id;
+ p->pid = pid;
+ p->ep = ep;
+ p->stream = stream;
+ p->status = USB_RET_SUCCESS;
+ p->actual_length = 0;
+ p->parameter = 0;
+ p->short_not_ok = short_not_ok;
+ p->int_req = int_req;
+ p->combined = NULL;
+ qemu_iovec_reset(&p->iov);
+ usb_packet_set_state(p, USB_PACKET_SETUP);
+}
+
+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)
+{
+ QEMUIOVector *iov = p->combined ? &p->combined->iov : &p->iov;
+
+ assert(p->actual_length >= 0);
+ assert(p->actual_length + bytes <= iov->size);
+ switch (p->pid) {
+ case USB_TOKEN_SETUP:
+ case USB_TOKEN_OUT:
+ iov_to_buf(iov->iov, iov->niov, p->actual_length, ptr, bytes);
+ break;
+ case USB_TOKEN_IN:
+ iov_from_buf(iov->iov, iov->niov, p->actual_length, ptr, bytes);
+ break;
+ default:
+ fprintf(stderr, "%s: invalid pid: %x\n", __func__, p->pid);
+ abort();
+ }
+ p->actual_length += bytes;
+}
+
+void usb_packet_skip(USBPacket *p, size_t bytes)
+{
+ QEMUIOVector *iov = p->combined ? &p->combined->iov : &p->iov;
+
+ assert(p->actual_length >= 0);
+ assert(p->actual_length + bytes <= iov->size);
+ if (p->pid == USB_TOKEN_IN) {
+ iov_memset(iov->iov, iov->niov, p->actual_length, 0, bytes);
+ }
+ p->actual_length += bytes;
+}
+
+size_t usb_packet_size(USBPacket *p)
+{
+ return p->combined ? p->combined->iov.size : p->iov.size;
+}
+
+void usb_packet_cleanup(USBPacket *p)
+{
+ assert(!usb_packet_is_inflight(p));
+ qemu_iovec_destroy(&p->iov);
+}
+
+void usb_ep_reset(USBDevice *dev)
+{
+ int ep;
+
+ dev->ep_ctl.nr = 0;
+ dev->ep_ctl.type = USB_ENDPOINT_XFER_CONTROL;
+ dev->ep_ctl.ifnum = 0;
+ dev->ep_ctl.dev = dev;
+ dev->ep_ctl.pipeline = false;
+ for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) {
+ dev->ep_in[ep].nr = ep + 1;
+ dev->ep_out[ep].nr = ep + 1;
+ dev->ep_in[ep].pid = USB_TOKEN_IN;
+ dev->ep_out[ep].pid = USB_TOKEN_OUT;
+ dev->ep_in[ep].type = USB_ENDPOINT_XFER_INVALID;
+ dev->ep_out[ep].type = USB_ENDPOINT_XFER_INVALID;
+ dev->ep_in[ep].ifnum = USB_INTERFACE_INVALID;
+ dev->ep_out[ep].ifnum = USB_INTERFACE_INVALID;
+ dev->ep_in[ep].dev = dev;
+ dev->ep_out[ep].dev = dev;
+ dev->ep_in[ep].pipeline = false;
+ dev->ep_out[ep].pipeline = false;
+ }
+}
+
+void usb_ep_init(USBDevice *dev)
+{
+ int ep;
+
+ usb_ep_reset(dev);
+ QTAILQ_INIT(&dev->ep_ctl.queue);
+ for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) {
+ QTAILQ_INIT(&dev->ep_in[ep].queue);
+ QTAILQ_INIT(&dev->ep_out[ep].queue);
+ }
+}
+
+void usb_ep_dump(USBDevice *dev)
+{
+ static const char *tname[] = {
+ [USB_ENDPOINT_XFER_CONTROL] = "control",
+ [USB_ENDPOINT_XFER_ISOC] = "isoc",
+ [USB_ENDPOINT_XFER_BULK] = "bulk",
+ [USB_ENDPOINT_XFER_INT] = "int",
+ };
+ int ifnum, ep, first;
+
+ fprintf(stderr, "Device \"%s\", config %d\n",
+ dev->product_desc, dev->configuration);
+ for (ifnum = 0; ifnum < 16; ifnum++) {
+ first = 1;
+ for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) {
+ if (dev->ep_in[ep].type != USB_ENDPOINT_XFER_INVALID &&
+ dev->ep_in[ep].ifnum == ifnum) {
+ if (first) {
+ first = 0;
+ fprintf(stderr, " Interface %d, alternative %d\n",
+ ifnum, dev->altsetting[ifnum]);
+ }
+ fprintf(stderr, " Endpoint %d, IN, %s, %d max\n", ep,
+ tname[dev->ep_in[ep].type],
+ dev->ep_in[ep].max_packet_size);
+ }
+ if (dev->ep_out[ep].type != USB_ENDPOINT_XFER_INVALID &&
+ dev->ep_out[ep].ifnum == ifnum) {
+ if (first) {
+ first = 0;
+ fprintf(stderr, " Interface %d, alternative %d\n",
+ ifnum, dev->altsetting[ifnum]);
+ }
+ fprintf(stderr, " Endpoint %d, OUT, %s, %d max\n", ep,
+ tname[dev->ep_out[ep].type],
+ dev->ep_out[ep].max_packet_size);
+ }
+ }
+ }
+ fprintf(stderr, "--\n");
+}
+
+struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep)
+{
+ struct USBEndpoint *eps;
+
+ if (dev == NULL) {
+ return NULL;
+ }
+ eps = (pid == USB_TOKEN_IN) ? dev->ep_in : dev->ep_out;
+ if (ep == 0) {
+ return &dev->ep_ctl;
+ }
+ assert(pid == USB_TOKEN_IN || pid == USB_TOKEN_OUT);
+ assert(ep > 0 && ep <= USB_MAX_ENDPOINTS);
+ return eps + ep - 1;
+}
+
+uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep)
+{
+ struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
+ return uep->type;
+}
+
+void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type)
+{
+ struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
+ uep->type = type;
+}
+
+uint8_t usb_ep_get_ifnum(USBDevice *dev, int pid, int ep)
+{
+ struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
+ return uep->ifnum;
+}
+
+void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum)
+{
+ struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
+ uep->ifnum = ifnum;
+}
+
+void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep,
+ uint16_t raw)
+{
+ struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
+ int size, microframes;
+
+ size = raw & 0x7ff;
+ switch ((raw >> 11) & 3) {
+ case 1:
+ microframes = 2;
+ break;
+ case 2:
+ microframes = 3;
+ break;
+ default:
+ microframes = 1;
+ break;
+ }
+ uep->max_packet_size = size * microframes;
+}
+
+int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep)
+{
+ struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
+ return uep->max_packet_size;
+}
+
+void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled)
+{
+ struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
+ uep->pipeline = enabled;
+}
+
+void usb_ep_set_halted(USBDevice *dev, int pid, int ep, bool halted)
+{
+ struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
+ uep->halted = halted;
+}
+
+USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep,
+ uint64_t id)
+{
+ struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
+ USBPacket *p;
+
+ QTAILQ_FOREACH(p, &uep->queue, queue) {
+ if (p->id == id) {
+ return p;
+ }
+ }
+
+ return NULL;
+}
Added: soc2013/syuu/bhyve_usb/usr.sbin/bhyve/usb/hcd-uhci.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ soc2013/syuu/bhyve_usb/usr.sbin/bhyve/usb/hcd-uhci.c Wed Jun 26 19:23:54 2013 (r253552)
@@ -0,0 +1,1404 @@
+/*
+ * USB UHCI controller emulation
+ *
+ * Copyright (c) 2005 Fabrice Bellard
+ *
+ * Copyright (c) 2008 Max Krasnyansky
+ * Magor rewrite of the UHCI data structures parser and frame processor
+ * Support for fully async operation and multiple outstanding transactions
+ *
+ * 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/hw.h"
+#include "hw/usb.h"
+#include "hw/pci/pci.h"
+#include "qemu/timer.h"
+#include "qemu/iov.h"
+#include "sysemu/dma.h"
+#include "trace.h"
+
+//#define DEBUG
+//#define DEBUG_DUMP_DATA
+
+#define UHCI_CMD_FGR (1 << 4)
+#define UHCI_CMD_EGSM (1 << 3)
+#define UHCI_CMD_GRESET (1 << 2)
+#define UHCI_CMD_HCRESET (1 << 1)
+#define UHCI_CMD_RS (1 << 0)
+
+#define UHCI_STS_HCHALTED (1 << 5)
+#define UHCI_STS_HCPERR (1 << 4)
+#define UHCI_STS_HSERR (1 << 3)
+#define UHCI_STS_RD (1 << 2)
+#define UHCI_STS_USBERR (1 << 1)
+#define UHCI_STS_USBINT (1 << 0)
+
+#define TD_CTRL_SPD (1 << 29)
+#define TD_CTRL_ERROR_SHIFT 27
+#define TD_CTRL_IOS (1 << 25)
+#define TD_CTRL_IOC (1 << 24)
+#define TD_CTRL_ACTIVE (1 << 23)
+#define TD_CTRL_STALL (1 << 22)
+#define TD_CTRL_BABBLE (1 << 20)
+#define TD_CTRL_NAK (1 << 19)
+#define TD_CTRL_TIMEOUT (1 << 18)
+
+#define UHCI_PORT_SUSPEND (1 << 12)
+#define UHCI_PORT_RESET (1 << 9)
+#define UHCI_PORT_LSDA (1 << 8)
+#define UHCI_PORT_RD (1 << 6)
+#define UHCI_PORT_ENC (1 << 3)
+#define UHCI_PORT_EN (1 << 2)
+#define UHCI_PORT_CSC (1 << 1)
+#define UHCI_PORT_CCS (1 << 0)
+
+#define UHCI_PORT_READ_ONLY (0x1bb)
+#define UHCI_PORT_WRITE_CLEAR (UHCI_PORT_CSC | UHCI_PORT_ENC)
+
+#define FRAME_TIMER_FREQ 1000
+
+#define FRAME_MAX_LOOPS 256
+
+/* Must be large enough to handle 10 frame delay for initial isoc requests */
+#define QH_VALID 32
+
+#define MAX_FRAMES_PER_TICK (QH_VALID / 2)
+
+#define NB_PORTS 2
+
+enum {
+ TD_RESULT_STOP_FRAME = 10,
+ TD_RESULT_COMPLETE,
+ TD_RESULT_NEXT_QH,
+ TD_RESULT_ASYNC_START,
+ TD_RESULT_ASYNC_CONT,
+};
+
+typedef struct UHCIState UHCIState;
+typedef struct UHCIAsync UHCIAsync;
+typedef struct UHCIQueue UHCIQueue;
+typedef struct UHCIInfo UHCIInfo;
+typedef struct UHCIPCIDeviceClass UHCIPCIDeviceClass;
+
+struct UHCIInfo {
+ const char *name;
+ uint16_t vendor_id;
+ uint16_t device_id;
+ uint8_t revision;
+ uint8_t irq_pin;
+ int (*initfn)(PCIDevice *dev);
+ bool unplug;
+};
+
+struct UHCIPCIDeviceClass {
+ PCIDeviceClass parent_class;
+ UHCIInfo info;
+};
+
+/*
+ * Pending async transaction.
+ * 'packet' must be the first field because completion
+ * handler does "(UHCIAsync *) pkt" cast.
+ */
+
+struct UHCIAsync {
+ USBPacket packet;
+ uint8_t static_buf[64]; /* 64 bytes is enough, except for isoc packets */
+ uint8_t *buf;
+ UHCIQueue *queue;
+ QTAILQ_ENTRY(UHCIAsync) next;
+ uint32_t td_addr;
+ uint8_t done;
+};
+
+struct UHCIQueue {
+ uint32_t qh_addr;
+ uint32_t token;
+ UHCIState *uhci;
+ USBEndpoint *ep;
+ QTAILQ_ENTRY(UHCIQueue) next;
+ QTAILQ_HEAD(asyncs_head, UHCIAsync) asyncs;
+ int8_t valid;
+};
+
+typedef struct UHCIPort {
+ USBPort port;
+ uint16_t ctrl;
+} UHCIPort;
+
+struct UHCIState {
+ PCIDevice dev;
+ MemoryRegion io_bar;
+ USBBus bus; /* Note unused when we're a companion controller */
+ uint16_t cmd; /* cmd register */
+ uint16_t status;
+ uint16_t intr; /* interrupt enable register */
+ uint16_t frnum; /* frame number */
+ uint32_t fl_base_addr; /* frame list base address */
+ uint8_t sof_timing;
+ uint8_t status2; /* bit 0 and 1 are used to generate UHCI_STS_USBINT */
+ int64_t expire_time;
+ QEMUTimer *frame_timer;
+ QEMUBH *bh;
+ uint32_t frame_bytes;
+ uint32_t frame_bandwidth;
+ bool completions_only;
+ UHCIPort ports[NB_PORTS];
+
+ /* Interrupts that should be raised at the end of the current frame. */
+ uint32_t pending_int_mask;
+ int irq_pin;
+
+ /* Active packets */
+ QTAILQ_HEAD(, UHCIQueue) queues;
+ uint8_t num_ports_vmstate;
+
+ /* Properties */
+ char *masterbus;
+ uint32_t firstport;
+ uint32_t maxframes;
+};
+
+typedef struct UHCI_TD {
+ uint32_t link;
+ uint32_t ctrl; /* see TD_CTRL_xxx */
+ uint32_t token;
+ uint32_t buffer;
+} UHCI_TD;
+
+typedef struct UHCI_QH {
+ uint32_t link;
+ uint32_t el_link;
+} UHCI_QH;
+
+static void uhci_async_cancel(UHCIAsync *async);
+static void uhci_queue_fill(UHCIQueue *q, UHCI_TD *td);
+
+static inline int32_t uhci_queue_token(UHCI_TD *td)
+{
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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