diff options
Diffstat (limited to 'include/hw/xen/xen_backend.h')
| -rw-r--r-- | include/hw/xen/xen_backend.h | 72 |
1 files changed, 6 insertions, 66 deletions
diff --git a/include/hw/xen/xen_backend.h b/include/hw/xen/xen_backend.h index 0df282ab5f..cbda40ee53 100644 --- a/include/hw/xen/xen_backend.h +++ b/include/hw/xen/xen_backend.h @@ -2,60 +2,10 @@ #define QEMU_HW_XEN_BACKEND_H #include "hw/xen/xen_common.h" +#include "hw/xen/xen_pvdev.h" #include "sysemu/sysemu.h" #include "net/net.h" -/* ------------------------------------------------------------- */ - -#define XEN_BUFSIZE 1024 - -struct XenDevice; - -/* driver uses grant tables -> open gntdev device (xendev->gnttabdev) */ -#define DEVOPS_FLAG_NEED_GNTDEV 1 -/* don't expect frontend doing correct state transitions (aka console quirk) */ -#define DEVOPS_FLAG_IGNORE_STATE 2 - -struct XenDevOps { - size_t size; - uint32_t flags; - void (*alloc)(struct XenDevice *xendev); - int (*init)(struct XenDevice *xendev); - int (*initialise)(struct XenDevice *xendev); - void (*connected)(struct XenDevice *xendev); - void (*event)(struct XenDevice *xendev); - void (*disconnect)(struct XenDevice *xendev); - int (*free)(struct XenDevice *xendev); - void (*backend_changed)(struct XenDevice *xendev, const char *node); - void (*frontend_changed)(struct XenDevice *xendev, const char *node); - int (*backend_register)(void); -}; - -struct XenDevice { - const char *type; - int dom; - int dev; - char name[64]; - int debug; - - enum xenbus_state be_state; - enum xenbus_state fe_state; - int online; - char be[XEN_BUFSIZE]; - char *fe; - char *protocol; - int remote_port; - int local_port; - - xenevtchn_handle *evtchndev; - xengnttab_handle *gnttabdev; - - struct XenDevOps *ops; - QTAILQ_ENTRY(XenDevice) next; -}; - -/* ------------------------------------------------------------- */ - /* variables */ extern xc_interface *xen_xc; extern xenforeignmemory_handle *xen_fmem; @@ -63,26 +13,20 @@ extern struct xs_handle *xenstore; extern const char *xen_protocol; extern DeviceState *xen_sysdev; -/* xenstore helper functions */ int xenstore_mkdir(char *path, int p); -int xenstore_write_str(const char *base, const char *node, const char *val); -int xenstore_write_int(const char *base, const char *node, int ival); -int xenstore_write_int64(const char *base, const char *node, int64_t ival); -char *xenstore_read_str(const char *base, const char *node); -int xenstore_read_int(const char *base, const char *node, int *ival); - int xenstore_write_be_str(struct XenDevice *xendev, const char *node, const char *val); int xenstore_write_be_int(struct XenDevice *xendev, const char *node, int ival); int xenstore_write_be_int64(struct XenDevice *xendev, const char *node, int64_t ival); char *xenstore_read_be_str(struct XenDevice *xendev, const char *node); int xenstore_read_be_int(struct XenDevice *xendev, const char *node, int *ival); +void xenstore_update_fe(char *watch, struct XenDevice *xendev); +void xenstore_update_be(char *watch, char *type, int dom, + struct XenDevOps *ops); char *xenstore_read_fe_str(struct XenDevice *xendev, const char *node); int xenstore_read_fe_int(struct XenDevice *xendev, const char *node, int *ival); -int xenstore_read_uint64(const char *base, const char *node, uint64_t *uval); -int xenstore_read_fe_uint64(struct XenDevice *xendev, const char *node, uint64_t *uval); +int xenstore_read_fe_uint64(struct XenDevice *xendev, const char *node, + uint64_t *uval); -const char *xenbus_strstate(enum xenbus_state state); -struct XenDevice *xen_be_find_xendev(const char *type, int dom, int dev); void xen_be_check_state(struct XenDevice *xendev); /* xen backend driver bits */ @@ -91,10 +35,6 @@ void xen_be_register_common(void); int xen_be_register(const char *type, struct XenDevOps *ops); int xen_be_set_state(struct XenDevice *xendev, enum xenbus_state state); int xen_be_bind_evtchn(struct XenDevice *xendev); -void xen_be_unbind_evtchn(struct XenDevice *xendev); -int xen_be_send_notify(struct XenDevice *xendev); -void xen_be_printf(struct XenDevice *xendev, int msg_level, const char *fmt, ...) - GCC_FMT_ATTR(3, 4); /* actual backend drivers */ extern struct XenDevOps xen_console_ops; /* xen_console.c */ |