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Diffstat (limited to 'sys/xen/interface/io/xs_wire.h')
-rw-r--r-- | sys/xen/interface/io/xs_wire.h | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/sys/xen/interface/io/xs_wire.h b/sys/xen/interface/io/xs_wire.h deleted file mode 100644 index f6a49ab..0000000 --- a/sys/xen/interface/io/xs_wire.h +++ /dev/null @@ -1,130 +0,0 @@ -/* - * Details of the "wire" protocol between Xen Store Daemon and client - * library or guest kernel. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Copyright (C) 2005 Rusty Russell IBM Corporation - */ - -#ifndef _XS_WIRE_H -#define _XS_WIRE_H - -enum xsd_sockmsg_type -{ - XS_DEBUG, - XS_DIRECTORY, - XS_READ, - XS_GET_PERMS, - XS_WATCH, - XS_UNWATCH, - XS_TRANSACTION_START, - XS_TRANSACTION_END, - XS_INTRODUCE, - XS_RELEASE, - XS_GET_DOMAIN_PATH, - XS_WRITE, - XS_MKDIR, - XS_RM, - XS_SET_PERMS, - XS_WATCH_EVENT, - XS_ERROR, - XS_IS_DOMAIN_INTRODUCED, - XS_RESUME, - XS_SET_TARGET -}; - -#define XS_WRITE_NONE "NONE" -#define XS_WRITE_CREATE "CREATE" -#define XS_WRITE_CREATE_EXCL "CREATE|EXCL" - -/* We hand errors as strings, for portability. */ -struct xsd_errors -{ - int errnum; - const char *errstring; -}; -#define XSD_ERROR(x) { x, #x } -/* LINTED: static unused */ -static struct xsd_errors xsd_errors[] -#if defined(__GNUC__) -__attribute__((unused)) -#endif - = { - XSD_ERROR(EINVAL), - XSD_ERROR(EACCES), - XSD_ERROR(EEXIST), - XSD_ERROR(EISDIR), - XSD_ERROR(ENOENT), - XSD_ERROR(ENOMEM), - XSD_ERROR(ENOSPC), - XSD_ERROR(EIO), - XSD_ERROR(ENOTEMPTY), - XSD_ERROR(ENOSYS), - XSD_ERROR(EROFS), - XSD_ERROR(EBUSY), - XSD_ERROR(EAGAIN), - XSD_ERROR(EISCONN) -}; - -struct xsd_sockmsg -{ - uint32_t type; /* XS_??? */ - uint32_t req_id;/* Request identifier, echoed in daemon's response. */ - uint32_t tx_id; /* Transaction id (0 if not related to a transaction). */ - uint32_t len; /* Length of data following this. */ - - /* Generally followed by nul-terminated string(s). */ -}; - -enum xs_watch_type -{ - XS_WATCH_PATH = 0, - XS_WATCH_TOKEN -}; - -/* Inter-domain shared memory communications. */ -#define XENSTORE_RING_SIZE 1024 -typedef uint32_t XENSTORE_RING_IDX; -#define MASK_XENSTORE_IDX(idx) ((idx) & (XENSTORE_RING_SIZE-1)) -struct xenstore_domain_interface { - char req[XENSTORE_RING_SIZE]; /* Requests to xenstore daemon. */ - char rsp[XENSTORE_RING_SIZE]; /* Replies and async watch events. */ - XENSTORE_RING_IDX req_cons, req_prod; - XENSTORE_RING_IDX rsp_cons, rsp_prod; -}; - -/* Violating this is very bad. See docs/misc/xenstore.txt. */ -#define XENSTORE_PAYLOAD_MAX 4096 - -/* Violating these just gets you an error back */ -#define XENSTORE_ABS_PATH_MAX 3072 -#define XENSTORE_REL_PATH_MAX 2048 - -#endif /* _XS_WIRE_H */ - -/* - * Local variables: - * mode: C - * c-set-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ |