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📄 Makefile(2.18 KB)
📄 Makefile.depend(434 B)
📄 Makefile.depend.options(115 B)
📄 acpi.c(29.64 KB)
📄 acpi.h(2.26 KB)
📄 ahci.h(10.72 KB)
📄 atkbdc.c(15.5 KB)
📄 atkbdc.h(1.66 KB)
📄 audio.c(6.84 KB)
📄 audio.h(2.91 KB)
📄 bhyve.8(18.81 KB)
📄 bhyvegc.c(2.76 KB)
📄 bhyvegc.h(1.83 KB)
📄 bhyverun.c(33 KB)
📄 bhyverun.h(2.06 KB)
📄 block_if.c(21.38 KB)
📄 block_if.h(3.37 KB)
📄 bootrom.c(4.92 KB)
📄 bootrom.h(1.8 KB)
📄 console.c(3 KB)
📄 console.h(2.18 KB)
📄 debug.h(1.74 KB)
📄 fwctl.c(9.7 KB)
📄 fwctl.h(1.87 KB)
📄 gdb.c(37.2 KB)
📄 gdb.h(1.65 KB)
📄 hda_codec.c(24.56 KB)
📄 hda_reg.h(57.84 KB)
📄 hdac_reg.h(10.96 KB)
📄 inout.c(6.97 KB)
📄 inout.h(2.54 KB)
📄 ioapic.c(2.45 KB)
📄 ioapic.h(1.65 KB)
📄 iov.c(3.47 KB)
📄 iov.h(1.93 KB)
📄 kernemu_dev.c(2.95 KB)
📄 kernemu_dev.h(1.44 KB)
📄 mem.c(8.78 KB)
📄 mem.h(2.31 KB)
📄 mevent.c(9.86 KB)
📄 mevent.h(1.95 KB)
📄 mevent_test.c(5.36 KB)
📄 mptbl.c(9.44 KB)
📄 mptbl.h(1.53 KB)
📄 net_backends.c(24.6 KB)
📄 net_backends.h(4.19 KB)
📄 net_utils.c(3.04 KB)
📄 net_utils.h(1.67 KB)
📄 pci_ahci.c(64.56 KB)
📄 pci_e82545.c(65.54 KB)
📄 pci_emul.c(54.54 KB)
📄 pci_emul.h(8.47 KB)
📄 pci_fbuf.c(10.34 KB)
📄 pci_hda.c(30.87 KB)
📄 pci_hda.h(2.73 KB)
📄 pci_hostbridge.c(2.43 KB)
📄 pci_irq.c(9.19 KB)
📄 pci_irq.h(1.85 KB)
📄 pci_lpc.c(11.06 KB)
📄 pci_lpc.h(2.41 KB)
📄 pci_nvme.c(73.14 KB)
📄 pci_passthru.c(22.85 KB)
📄 pci_uart.c(3.2 KB)
📄 pci_virtio_9p.c(9.1 KB)
📄 pci_virtio_block.c(15.89 KB)
📄 pci_virtio_console.c(15.86 KB)
📄 pci_virtio_net.c(20.05 KB)
📄 pci_virtio_rnd.c(5.23 KB)
📄 pci_virtio_scsi.c(19.95 KB)
📄 pci_xhci.c(80.6 KB)
📄 pci_xhci.h(13.02 KB)
📄 pctestdev.c(6.3 KB)
📄 pctestdev.h(1.65 KB)
📄 pm.c(8.9 KB)
📄 post.c(1.8 KB)
📄 ps2kbd.c(10.24 KB)
📄 ps2kbd.h(1.8 KB)
📄 ps2mouse.c(9.85 KB)
📄 ps2mouse.h(1.94 KB)
📄 rfb.c(25.9 KB)
📄 rfb.h(1.56 KB)
📄 rtc.c(3.4 KB)
📄 rtc.h(1.52 KB)
📄 smbiostbl.c(25.33 KB)
📄 smbiostbl.h(1.54 KB)
📄 snapshot.c(38.16 KB)
📄 snapshot.h(3.51 KB)
📄 sockstream.c(2.16 KB)
📄 sockstream.h(1.54 KB)
📄 spinup_ap.c(3 KB)
📄 spinup_ap.h(1.5 KB)
📄 task_switch.c(25.78 KB)
📄 uart_emul.c(15.75 KB)
📄 uart_emul.h(1.99 KB)
📄 usb_emul.c(2.3 KB)
📄 usb_emul.h(4.56 KB)
📄 usb_mouse.c(19.9 KB)
📄 vga.c(33.42 KB)
📄 vga.h(5.32 KB)
📄 virtio.c(25.01 KB)
📄 virtio.h(18.67 KB)
📄 vmgenc.c(3.27 KB)
📄 vmgenc.h(1.48 KB)
📄 xmsr.c(5.28 KB)
📄 xmsr.h(1.59 KB)

Editing: usb_emul.h

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2014 Leon Dang <ldang@nahannisys.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 */

#ifndef _USB_EMUL_H_
#define _USB_EMUL_H_

#include <stdlib.h>
#include <sys/linker_set.h>
#include <pthread.h>

#define	USB_MAX_XFER_BLOCKS	8

#define	USB_XFER_OUT		0
#define	USB_XFER_IN		1

struct usb_hci;
struct usb_device_request;
struct usb_data_xfer;
struct vm_snapshot_meta;

/* Device emulation handlers */
struct usb_devemu {
	char	*ue_emu;	/* name of device emulation */
	int	ue_usbver;	/* usb version: 2 or 3 */
	int	ue_usbspeed;	/* usb device speed */

/* instance creation */
	void	*(*ue_init)(struct usb_hci *hci, char *opt);

/* handlers */
	int	(*ue_request)(void *sc, struct usb_data_xfer *xfer);
	int	(*ue_data)(void *sc, struct usb_data_xfer *xfer, int dir,
	                   int epctx);
	int	(*ue_reset)(void *sc);
	int	(*ue_remove)(void *sc);
	int	(*ue_stop)(void *sc);
	int	(*ue_snapshot)(void *scarg, struct vm_snapshot_meta *meta);
};
#define	USB_EMUL_SET(x)		DATA_SET(usb_emu_set, x);

/*
 * USB device events to notify HCI when state changes
 */
enum hci_usbev {
	USBDEV_ATTACH,
	USBDEV_RESET,
	USBDEV_STOP,
	USBDEV_REMOVE,
};

/* usb controller, ie xhci, ehci */
struct usb_hci {
	int	(*hci_intr)(struct usb_hci *hci, int epctx);
	int	(*hci_event)(struct usb_hci *hci, enum hci_usbev evid,
		             void *param);
	void	*hci_sc;			/* private softc for hci */

/* controller managed fields */
	int	hci_address;
	int	hci_port;
};

/*
 * Each xfer block is mapped to the hci transfer block.
 * On input into the device handler, blen is set to the lenght of buf.
 * The device handler is to update blen to reflect on the residual size
 * of the buffer, i.e. len(buf) - len(consumed).
 */
struct usb_data_xfer_block {
	void	*buf;			/* IN or OUT pointer */
	int	blen;			/* in:len(buf), out:len(remaining) */
	int	bdone;			/* bytes transferred */
	uint32_t processed;		/* device processed this + errcode */
	void	*hci_data;		/* HCI private reference */
	int	ccs;
	uint32_t streamid;
	uint64_t trbnext;		/* next TRB guest address */
};

struct usb_data_xfer {
	struct usb_data_xfer_block data[USB_MAX_XFER_BLOCKS];
	struct usb_device_request *ureq; 	/* setup ctl request */
	int	ndata;				/* # of data items */
	int	head;
	int	tail;
	pthread_mutex_t mtx;
};

enum USB_ERRCODE {
	USB_ACK,
	USB_NAK,
	USB_STALL,
	USB_NYET,
	USB_ERR,
	USB_SHORT
};

#define	USB_DATA_GET_ERRCODE(x)		(x)->processed >> 8
#define	USB_DATA_SET_ERRCODE(x,e)	do {				\
			(x)->processed = ((x)->processed & 0xFF) | (e << 8); \
		} while (0)

#define	USB_DATA_OK(x,i)	((x)->data[(i)].buf != NULL)

#define	USB_DATA_XFER_INIT(x)	do {					\
			memset((x), 0, sizeof(*(x)));			\
			pthread_mutex_init(&((x)->mtx), NULL);		\
		} while (0)

#define	USB_DATA_XFER_RESET(x)	do {					\
			memset((x)->data, 0, sizeof((x)->data));	\
			(x)->ndata = 0;					\
			(x)->head = (x)->tail = 0;			\
		} while (0)

#define	USB_DATA_XFER_LOCK(x)	do {					\
			pthread_mutex_lock(&((x)->mtx));		\
		} while (0)

#define	USB_DATA_XFER_UNLOCK(x)	do {					\
			pthread_mutex_unlock(&((x)->mtx));		\
		} while (0)

struct usb_devemu *usb_emu_finddev(char *name);

struct usb_data_xfer_block *usb_data_xfer_append(struct usb_data_xfer *xfer,
                          void *buf, int blen, void *hci_data, int ccs);

#endif /* _USB_EMUL_H_ */

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