cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pvcalls.h (3149B)

      1/* SPDX-License-Identifier: MIT */
      2
      3#ifndef __XEN_PUBLIC_IO_XEN_PVCALLS_H__
      4#define __XEN_PUBLIC_IO_XEN_PVCALLS_H__
      5
      6#include <linux/net.h>
      7#include <xen/interface/io/ring.h>
      8#include <xen/interface/grant_table.h>
      9
     10/* "1" means socket, connect, release, bind, listen, accept and poll */
     11#define XENBUS_FUNCTIONS_CALLS "1"
     12
     13/*
     14 * See docs/misc/pvcalls.markdown in xen.git for the full specification:
     15 * https://xenbits.xen.org/docs/unstable/misc/pvcalls.html
     16 */
     17struct pvcalls_data_intf {
     18    RING_IDX in_cons, in_prod, in_error;
     19
     20    uint8_t pad1[52];
     21
     22    RING_IDX out_cons, out_prod, out_error;
     23
     24    uint8_t pad2[52];
     25
     26    RING_IDX ring_order;
     27    grant_ref_t ref[];
     28};
     29DEFINE_XEN_FLEX_RING(pvcalls);
     30
     31#define PVCALLS_SOCKET         0
     32#define PVCALLS_CONNECT        1
     33#define PVCALLS_RELEASE        2
     34#define PVCALLS_BIND           3
     35#define PVCALLS_LISTEN         4
     36#define PVCALLS_ACCEPT         5
     37#define PVCALLS_POLL           6
     38
     39struct xen_pvcalls_request {
     40    uint32_t req_id; /* private to guest, echoed in response */
     41    uint32_t cmd;    /* command to execute */
     42    union {
     43        struct xen_pvcalls_socket {
     44            uint64_t id;
     45            uint32_t domain;
     46            uint32_t type;
     47            uint32_t protocol;
     48        } socket;
     49        struct xen_pvcalls_connect {
     50            uint64_t id;
     51            uint8_t addr[28];
     52            uint32_t len;
     53            uint32_t flags;
     54            grant_ref_t ref;
     55            uint32_t evtchn;
     56        } connect;
     57        struct xen_pvcalls_release {
     58            uint64_t id;
     59            uint8_t reuse;
     60        } release;
     61        struct xen_pvcalls_bind {
     62            uint64_t id;
     63            uint8_t addr[28];
     64            uint32_t len;
     65        } bind;
     66        struct xen_pvcalls_listen {
     67            uint64_t id;
     68            uint32_t backlog;
     69        } listen;
     70        struct xen_pvcalls_accept {
     71            uint64_t id;
     72            uint64_t id_new;
     73            grant_ref_t ref;
     74            uint32_t evtchn;
     75        } accept;
     76        struct xen_pvcalls_poll {
     77            uint64_t id;
     78        } poll;
     79        /* dummy member to force sizeof(struct xen_pvcalls_request)
     80         * to match across archs */
     81        struct xen_pvcalls_dummy {
     82            uint8_t dummy[56];
     83        } dummy;
     84    } u;
     85};
     86
     87struct xen_pvcalls_response {
     88    uint32_t req_id;
     89    uint32_t cmd;
     90    int32_t ret;
     91    uint32_t pad;
     92    union {
     93        struct _xen_pvcalls_socket {
     94            uint64_t id;
     95        } socket;
     96        struct _xen_pvcalls_connect {
     97            uint64_t id;
     98        } connect;
     99        struct _xen_pvcalls_release {
    100            uint64_t id;
    101        } release;
    102        struct _xen_pvcalls_bind {
    103            uint64_t id;
    104        } bind;
    105        struct _xen_pvcalls_listen {
    106            uint64_t id;
    107        } listen;
    108        struct _xen_pvcalls_accept {
    109            uint64_t id;
    110        } accept;
    111        struct _xen_pvcalls_poll {
    112            uint64_t id;
    113        } poll;
    114        struct _xen_pvcalls_dummy {
    115            uint8_t dummy[8];
    116        } dummy;
    117    } u;
    118};
    119
    120DEFINE_RING_TYPES(xen_pvcalls, struct xen_pvcalls_request,
    121                  struct xen_pvcalls_response);
    122
    123#endif