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Commit | Line | Data |
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58ea30f5 MA |
1 | #ifndef HW_XEN_LEGACY_BACKEND_H |
2 | #define HW_XEN_LEGACY_BACKEND_H | |
d94f9486 | 3 | |
0d09e41a | 4 | #include "hw/xen/xen_common.h" |
f0021dba | 5 | #include "hw/xen/xen_pvdev.h" |
1422e32d | 6 | #include "net/net.h" |
db1015e9 | 7 | #include "qom/object.h" |
d94f9486 | 8 | |
873d57ab JG |
9 | #define TYPE_XENSYSDEV "xen-sysdev" |
10 | #define TYPE_XENSYSBUS "xen-sysbus" | |
3a6c9172 JG |
11 | #define TYPE_XENBACKEND "xen-backend" |
12 | ||
694b3d28 | 13 | typedef struct XenLegacyDevice XenLegacyDevice; |
3a6c9172 | 14 | #define XENBACKEND_DEVICE(obj) \ |
2d0ed5e6 | 15 | OBJECT_CHECK(XenLegacyDevice, (obj), TYPE_XENBACKEND) |
873d57ab | 16 | |
d94f9486 | 17 | /* variables */ |
d94f9486 | 18 | extern struct xs_handle *xenstore; |
2c8b24a3 | 19 | extern const char *xen_protocol; |
9432e53a | 20 | extern DeviceState *xen_sysdev; |
873d57ab | 21 | extern BusState *xen_sysbus; |
d94f9486 | 22 | |
637c53ff | 23 | int xenstore_mkdir(char *path, int p); |
2d0ed5e6 PD |
24 | int xenstore_write_be_str(struct XenLegacyDevice *xendev, const char *node, |
25 | const char *val); | |
26 | int xenstore_write_be_int(struct XenLegacyDevice *xendev, const char *node, | |
27 | int ival); | |
28 | int xenstore_write_be_int64(struct XenLegacyDevice *xendev, const char *node, | |
29 | int64_t ival); | |
30 | char *xenstore_read_be_str(struct XenLegacyDevice *xendev, const char *node); | |
31 | int xenstore_read_be_int(struct XenLegacyDevice *xendev, const char *node, | |
32 | int *ival); | |
33 | void xenstore_update_fe(char *watch, struct XenLegacyDevice *xendev); | |
046db9be EC |
34 | void xenstore_update_be(char *watch, char *type, int dom, |
35 | struct XenDevOps *ops); | |
2d0ed5e6 PD |
36 | char *xenstore_read_fe_str(struct XenLegacyDevice *xendev, const char *node); |
37 | int xenstore_read_fe_int(struct XenLegacyDevice *xendev, const char *node, | |
38 | int *ival); | |
39 | int xenstore_read_fe_uint64(struct XenLegacyDevice *xendev, const char *node, | |
b9730c5b | 40 | uint64_t *uval); |
d94f9486 | 41 | |
2d0ed5e6 | 42 | void xen_be_check_state(struct XenLegacyDevice *xendev); |
d94f9486 AL |
43 | |
44 | /* xen backend driver bits */ | |
45 | int xen_be_init(void); | |
0e39bb02 | 46 | void xen_be_register_common(void); |
d94f9486 | 47 | int xen_be_register(const char *type, struct XenDevOps *ops); |
2d0ed5e6 PD |
48 | int xen_be_set_state(struct XenLegacyDevice *xendev, enum xenbus_state state); |
49 | int xen_be_bind_evtchn(struct XenLegacyDevice *xendev); | |
50 | void xen_be_set_max_grant_refs(struct XenLegacyDevice *xendev, | |
9838824a | 51 | unsigned int nr_refs); |
2d0ed5e6 | 52 | void *xen_be_map_grant_refs(struct XenLegacyDevice *xendev, uint32_t *refs, |
9838824a | 53 | unsigned int nr_refs, int prot); |
2d0ed5e6 | 54 | void xen_be_unmap_grant_refs(struct XenLegacyDevice *xendev, void *ptr, |
9838824a PD |
55 | unsigned int nr_refs); |
56 | ||
57 | typedef struct XenGrantCopySegment { | |
58 | union { | |
59 | void *virt; | |
60 | struct { | |
61 | uint32_t ref; | |
62 | off_t offset; | |
63 | } foreign; | |
64 | } source, dest; | |
65 | size_t len; | |
66 | } XenGrantCopySegment; | |
67 | ||
2d0ed5e6 | 68 | int xen_be_copy_grant_refs(struct XenLegacyDevice *xendev, |
9838824a PD |
69 | bool to_domain, XenGrantCopySegment segs[], |
70 | unsigned int nr_segs); | |
71 | ||
2d0ed5e6 | 72 | static inline void *xen_be_map_grant_ref(struct XenLegacyDevice *xendev, |
9838824a PD |
73 | uint32_t ref, int prot) |
74 | { | |
75 | return xen_be_map_grant_refs(xendev, &ref, 1, prot); | |
76 | } | |
77 | ||
2d0ed5e6 | 78 | static inline void xen_be_unmap_grant_ref(struct XenLegacyDevice *xendev, |
9838824a PD |
79 | void *ptr) |
80 | { | |
81 | return xen_be_unmap_grant_refs(xendev, ptr, 1); | |
82 | } | |
d94f9486 | 83 | |
e57dd20b AL |
84 | /* actual backend drivers */ |
85 | extern struct XenDevOps xen_console_ops; /* xen_console.c */ | |
e7151f83 AL |
86 | extern struct XenDevOps xen_kbdmouse_ops; /* xen_framebuffer.c */ |
87 | extern struct XenDevOps xen_framebuffer_ops; /* xen_framebuffer.c */ | |
62d23efa | 88 | extern struct XenDevOps xen_blkdev_ops; /* xen_disk.c */ |
e737b6d5 SS |
89 | #ifdef CONFIG_VIRTFS |
90 | extern struct XenDevOps xen_9pfs_ops; /* xen-9p-backend.c */ | |
91 | #endif | |
e613b064 | 92 | extern struct XenDevOps xen_netdev_ops; /* xen_nic.c */ |
816ac92e JG |
93 | #ifdef CONFIG_USB_LIBUSB |
94 | extern struct XenDevOps xen_usb_ops; /* xen-usb.c */ | |
95 | #endif | |
e7151f83 | 96 | |
2c8b24a3 | 97 | /* configuration (aka xenbus setup) */ |
28695489 | 98 | void xen_config_cleanup(void); |
2c8b24a3 AL |
99 | int xen_config_dev_blk(DriveInfo *disk); |
100 | int xen_config_dev_nic(NICInfo *nic); | |
9306acb5 AL |
101 | int xen_config_dev_vfb(int vdev, const char *type); |
102 | int xen_config_dev_vkbd(int vdev); | |
103 | int xen_config_dev_console(int vdev); | |
2c8b24a3 | 104 | |
58ea30f5 | 105 | #endif /* HW_XEN_LEGACY_BACKEND_H */ |