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xen: sync xs_wire.h header with upstream xen
Sync the xs_wire.h header file in Linux with the one in Xen.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20220513211938.719341-1-sstabellini@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
authored by
Stefano Stabellini
and committed by
Juergen Gross
62db0faf
1591a65f
+33
-4
+33
-4
include/xen/interface/io/xs_wire.h
+33
-4
include/xen/interface/io/xs_wire.h
···
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enum xsd_sockmsg_type
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{
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XS_DEBUG,
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XS_CONTROL,
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#define XS_DEBUG XS_CONTROL
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XS_DIRECTORY,
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XS_READ,
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XS_GET_PERMS,
···
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XS_IS_DOMAIN_INTRODUCED,
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XS_RESUME,
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XS_SET_TARGET,
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XS_RESTRICT,
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XS_RESET_WATCHES,
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/* XS_RESTRICT has been removed */
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XS_RESET_WATCHES = XS_SET_TARGET + 2,
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XS_DIRECTORY_PART,
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+
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XS_TYPE_COUNT, /* Number of valid types. */
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XS_INVALID = 0xffff /* Guaranteed to remain an invalid type */
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};
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#define XS_WRITE_NONE "NONE"
···
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XSD_ERROR(EROFS),
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XSD_ERROR(EBUSY),
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XSD_ERROR(EAGAIN),
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XSD_ERROR(EISCONN)
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XSD_ERROR(EISCONN),
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XSD_ERROR(E2BIG)
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};
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struct xsd_sockmsg
···
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char rsp[XENSTORE_RING_SIZE]; /* Replies and async watch events. */
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XENSTORE_RING_IDX req_cons, req_prod;
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XENSTORE_RING_IDX rsp_cons, rsp_prod;
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uint32_t server_features; /* Bitmap of features supported by the server */
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uint32_t connection;
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uint32_t error;
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};
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/* Violating this is very bad. See docs/misc/xenstore.txt. */
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#define XENSTORE_PAYLOAD_MAX 4096
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/* Violating these just gets you an error back */
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#define XENSTORE_ABS_PATH_MAX 3072
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#define XENSTORE_REL_PATH_MAX 2048
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/* The ability to reconnect a ring */
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#define XENSTORE_SERVER_FEATURE_RECONNECTION 1
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/* The presence of the "error" field in the ring page */
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#define XENSTORE_SERVER_FEATURE_ERROR 2
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/* Valid values for the connection field */
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#define XENSTORE_CONNECTED 0 /* the steady-state */
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#define XENSTORE_RECONNECT 1 /* guest has initiated a reconnect */
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/* Valid values for the error field */
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#define XENSTORE_ERROR_NONE 0 /* No error */
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#define XENSTORE_ERROR_COMM 1 /* Communication problem */
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#define XENSTORE_ERROR_RINGIDX 2 /* Invalid ring index */
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#define XENSTORE_ERROR_PROTO 3 /* Protocol violation (payload too long) */
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#endif /* _XS_WIRE_H */