On 14/03/17 00:55, Stefano Stabellini wrote: > Introduce the Xen 9pfs backend: add struct XenDevOps to register as a > Xen backend and add struct V9fsTransport to register as v9fs transport. > > All functions are empty stubs for now. > > Signed-off-by: Stefano Stabellini <stef...@aporeto.com> > Reviewed-by: Greg Kurz <gr...@kaod.org> > CC: anthony.per...@citrix.com > CC: jgr...@suse.com > CC: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com> > CC: Greg Kurz <gr...@kaod.org> > --- > hw/9pfs/xen-9p-backend.c | 96 > ++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 96 insertions(+) > create mode 100644 hw/9pfs/xen-9p-backend.c > > diff --git a/hw/9pfs/xen-9p-backend.c b/hw/9pfs/xen-9p-backend.c > new file mode 100644 > index 0000000..35032d3 > --- /dev/null > +++ b/hw/9pfs/xen-9p-backend.c > @@ -0,0 +1,96 @@ > +/* > + * Xen 9p backend > + * > + * Copyright Aporeto 2017 > + * > + * Authors: > + * Stefano Stabellini <stef...@aporeto.com> > + * > + */ > + > +#include "qemu/osdep.h" > + > +#include "hw/hw.h" > +#include "hw/9pfs/9p.h" > +#include "hw/xen/xen_backend.h" > +#include "xen_9pfs.h" > +#include "qemu/config-file.h" > +#include "fsdev/qemu-fsdev.h" > + > +typedef struct Xen9pfsDev { > + struct XenDevice xendev; /* must be first */ > +} Xen9pfsDev; > + > +static ssize_t xen_9pfs_pdu_vmarshal(V9fsPDU *pdu, > + size_t offset, > + const char *fmt, > + va_list ap) > +{ > + return 0; > +} > + > +static ssize_t xen_9pfs_pdu_vunmarshal(V9fsPDU *pdu, > + size_t offset, > + const char *fmt, > + va_list ap) > +{ > + return 0; > +} > + > +static void xen_9pfs_init_out_iov_from_pdu(V9fsPDU *pdu, > + struct iovec **piov, > + unsigned int *pniov) > +{ > +} > + > +static void xen_9pfs_init_in_iov_from_pdu(V9fsPDU *pdu, > + struct iovec **piov, > + unsigned int *pniov, > + size_t size) > +{ > +} > + > +static void xen_9pfs_push_and_notify(V9fsPDU *pdu) > +{ > +} > + > +static const struct V9fsTransport xen_9p_transport = { > + .pdu_vmarshal = xen_9pfs_pdu_vmarshal, > + .pdu_vunmarshal = xen_9pfs_pdu_vunmarshal, > + .init_in_iov_from_pdu = xen_9pfs_init_in_iov_from_pdu, > + .init_out_iov_from_pdu = xen_9pfs_init_out_iov_from_pdu, > + .push_and_notify = xen_9pfs_push_and_notify, > +}; > + > +static int xen_9pfs_init(struct XenDevice *xendev) > +{ > + return 0; > +} > + > +static int xen_9pfs_free(struct XenDevice *xendev) > +{ > + return -1; > +} > + > +static int xen_9pfs_connect(struct XenDevice *xendev) > +{ > + return 0; > +} > + > +static void xen_9pfs_alloc(struct XenDevice *xendev) > +{ > +} > + > +static void xen_9pfs_disconnect(struct XenDevice *xendev) > +{ > +} > + > +struct XenDevOps xen_9pfs_ops = { > + .size = sizeof(Xen9pfsDev), > + .flags = DEVOPS_FLAG_NEED_GNTDEV, > + .alloc = xen_9pfs_alloc, > + .init = xen_9pfs_init, > + .initialise = xen_9pfs_connect,
Alignment? > + .disconnect = xen_9pfs_disconnect, > + .free = xen_9pfs_free, > +}; > Juergen