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Nama	Ukuran	Aksi
9pfs.h	1.43 MB	View DL Edit
blkif.h	12.9 MB	View DL Edit
console.h	587 B	View DL Edit
displif.h	43.23 MB	View DL Edit
fbif.h	4.48 MB	View DL Edit
kbdif.h	23.7 MB	View DL Edit
netif.h	34.76 MB	View DL Edit
pciif.h	3.52 MB	View DL Edit
protocols.h	697 B	View DL Edit
pvcalls.h	3.04 MB	View DL Edit
ring.h	23.2 MB	View DL Edit
sndif.h	48.32 MB	View DL Edit
tpmif.h	1.66 MB	View DL Edit
vscsiif.h	8.7 MB	View DL Edit
xenbus.h	1.15 MB	View DL Edit
xs_wire.h	2.21 MB	View DL Edit

Edit file: /usr/src/kernels/5.14.0-427.31.1.el9_4.x86_64/include/xen/interface/io/xs_wire.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Details of the "wire" protocol between Xen Store Daemon and client
 * library or guest kernel.
 * 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,
    XS_RESTRICT,
    XS_RESET_WATCHES,
};

#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 }
static struct xsd_errors xsd_errors[] __attribute__((unused)) = {
    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

#endif /* _XS_WIRE_H */

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