drivers/xen/xenbus/xenbus_comms.c

198

if (intf->rsp_prod - cons >= XENSTORE_RING_SIZE)

drivers/xen/xenbus/xenbus_comms.c

68

return ((prod - cons) <= XENSTORE_RING_SIZE);

drivers/xen/xenbus/xenbus_comms.c

75

*len = XENSTORE_RING_SIZE - MASK_XENSTORE_IDX(prod);

drivers/xen/xenbus/xenbus_comms.c

76

if ((XENSTORE_RING_SIZE - (prod - cons)) < *len)

drivers/xen/xenbus/xenbus_comms.c

77

*len = XENSTORE_RING_SIZE - (prod - cons);

drivers/xen/xenbus/xenbus_comms.c

85

*len = XENSTORE_RING_SIZE - MASK_XENSTORE_IDX(cons);

drivers/xen/xenbus/xenbus_comms.c

95

return (intf->req_prod - intf->req_cons) != XENSTORE_RING_SIZE &&

include/xen/interface/io/xs_wire.h

91

#define MASK_XENSTORE_IDX(idx) ((idx) & (XENSTORE_RING_SIZE-1))

include/xen/interface/io/xs_wire.h

93

char req[XENSTORE_RING_SIZE]; /* Requests to xenstore daemon. */

include/xen/interface/io/xs_wire.h

94

char rsp[XENSTORE_RING_SIZE]; /* Replies and async watch events. */