Commit 816ac92e authored by Juergen Gross's avatar Juergen Gross Committed by Gerd Hoffmann
Browse files

xen: add pvUSB backend 



Add a backend for para-virtualized USB devices for xen domains.

The backend is using host-libusb to forward USB requests from a
domain via libusb to the real device(s) passed through.

Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
Acked-by: default avatarAnthony PERARD <anthony.perard@citrix.com>
Message-id: 1463062421-613-4-git-send-email-jgross@suse.com
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent 637c53ff

hw/usb/Makefile.objs

+4 −0
Original line number Diff line number Diff line
@@ -38,3 +38,7 @@ common-obj-$(CONFIG_USB_REDIR) += redirect.o quirks.o 


# usb pass-through

common-obj-y += $(patsubst %,host-%.o,$(HOST_USB))



ifeq ($(CONFIG_USB_LIBUSB),y)

common-obj-$(CONFIG_XEN_BACKEND) += xen-usb.o

endif

hw/usb/xen-usb.c

0 → 100644
+1080 −0

File added.

Preview size limit exceeded, changes collapsed.

hw/xenpv/xen_machine_pv.c

+3 −0
Original line number Diff line number Diff line
@@ -80,6 +80,9 @@ static void xen_init_pv(MachineState *machine) 
    xen_be_register("vfb", &xen_framebuffer_ops);

    xen_be_register("qdisk", &xen_blkdev_ops);

    xen_be_register("qnic", &xen_netdev_ops);

#ifdef CONFIG_USB_LIBUSB

    xen_be_register("qusb", &xen_usb_ops);

#endif



    /* configure framebuffer */

    if (xenfb_enabled) {

include/hw/xen/xen_backend.h

+3 −0
Original line number Diff line number Diff line
@@ -101,6 +101,9 @@ extern struct XenDevOps xen_kbdmouse_ops; /* xen_framebuffer.c */ 
extern struct XenDevOps xen_framebuffer_ops;  /* xen_framebuffer.c */

extern struct XenDevOps xen_blkdev_ops;       /* xen_disk.c        */

extern struct XenDevOps xen_netdev_ops;       /* xen_nic.c         */

#ifdef CONFIG_USB_LIBUSB

extern struct XenDevOps xen_usb_ops;          /* xen-usb.c         */

#endif



void xen_init_display(int domid);

include/hw/xen/xen_common.h

+2 −0
Original line number Diff line number Diff line
@@ -49,6 +49,8 @@ typedef xc_gnttab xengnttab_handle; 
#define xengnttab_unmap(h, a, n) xc_gnttab_munmap(h, a, n)

#define xengnttab_map_grant_refs(h, c, d, r, p) \

    xc_gnttab_map_grant_refs(h, c, d, r, p)

#define xengnttab_map_domain_grant_refs(h, c, d, r, p) \

    xc_gnttab_map_domain_grant_refs(h, c, d, r, p)



#define xenforeignmemory_open(l, f) xen_xc