cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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sclp.h (3223B)

      1/*
      2 * SCLP ASCII access driver
      3 *
      4 * Copyright (c) 2013 Alexander Graf <agraf@suse.de>
      5 *
      6 * This work is licensed under the terms of the GNU GPL, version 2 or (at
      7 * your option) any later version. See the COPYING file in the top-level
      8 * directory.
      9 */
     10
     11#ifndef SCLP_H
     12#define SCLP_H
     13
     14/* SCLP command codes */
     15#define SCLP_CMDW_READ_SCP_INFO                 0x00020001
     16#define SCLP_CMDW_READ_SCP_INFO_FORCED          0x00120001
     17#define SCLP_CMD_READ_EVENT_DATA                0x00770005
     18#define SCLP_CMD_WRITE_EVENT_DATA               0x00760005
     19#define SCLP_CMD_READ_EVENT_DATA                0x00770005
     20#define SCLP_CMD_WRITE_EVENT_DATA               0x00760005
     21#define SCLP_CMD_WRITE_EVENT_MASK               0x00780005
     22
     23/* SCLP response codes */
     24#define SCLP_RC_NORMAL_READ_COMPLETION          0x0010
     25#define SCLP_RC_NORMAL_COMPLETION               0x0020
     26#define SCLP_RC_INVALID_SCLP_COMMAND            0x01f0
     27#define SCLP_RC_CONTAINED_EQUIPMENT_CHECK       0x0340
     28#define SCLP_RC_INSUFFICIENT_SCCB_LENGTH        0x0300
     29#define SCLP_RC_INVALID_FUNCTION                0x40f0
     30#define SCLP_RC_NO_EVENT_BUFFERS_STORED         0x60f0
     31#define SCLP_RC_INVALID_SELECTION_MASK          0x70f0
     32#define SCLP_RC_INCONSISTENT_LENGTHS            0x72f0
     33#define SCLP_RC_EVENT_BUFFER_SYNTAX_ERROR       0x73f0
     34#define SCLP_RC_INVALID_MASK_LENGTH             0x74f0
     35
     36/* Service Call Control Block (SCCB) and its elements */
     37
     38#define SCCB_SIZE 4096
     39
     40#define SCLP_VARIABLE_LENGTH_RESPONSE           0x80
     41#define SCLP_EVENT_BUFFER_ACCEPTED              0x80
     42
     43#define SCLP_FC_NORMAL_WRITE                    0
     44
     45typedef struct SCCBHeader {
     46    uint16_t length;
     47    uint8_t function_code;
     48    uint8_t control_mask[3];
     49    uint16_t response_code;
     50} __attribute__((packed)) SCCBHeader;
     51
     52#define SCCB_DATA_LEN (SCCB_SIZE - sizeof(SCCBHeader))
     53
     54typedef struct ReadInfo {
     55    SCCBHeader h;
     56    uint16_t rnmax;
     57    uint8_t rnsize;
     58    uint8_t reserved[13];
     59    uint8_t loadparm[LOADPARM_LEN];
     60} __attribute__((packed)) ReadInfo;
     61
     62typedef struct SCCB {
     63    SCCBHeader h;
     64    char data[SCCB_DATA_LEN];
     65 } __attribute__((packed)) SCCB;
     66
     67/* SCLP event types */
     68#define SCLP_EVENT_ASCII_CONSOLE_DATA           0x1a
     69#define SCLP_EVENT_SIGNAL_QUIESCE               0x1d
     70
     71/* SCLP event masks */
     72#define SCLP_EVENT_MASK_SIGNAL_QUIESCE          0x00000008
     73#define SCLP_EVENT_MASK_MSG_ASCII               0x00000040
     74
     75#define SCLP_UNCONDITIONAL_READ                 0x00
     76#define SCLP_SELECTIVE_READ                     0x01
     77
     78typedef struct WriteEventMask {
     79    SCCBHeader h;
     80    uint16_t _reserved;
     81    uint16_t mask_length;
     82    uint32_t cp_receive_mask;
     83    uint32_t cp_send_mask;
     84    uint32_t send_mask;
     85    uint32_t receive_mask;
     86} __attribute__((packed)) WriteEventMask;
     87
     88typedef struct EventBufferHeader {
     89    uint16_t length;
     90    uint8_t  type;
     91    uint8_t  flags;
     92    uint16_t _reserved;
     93} __attribute__((packed)) EventBufferHeader;
     94
     95typedef struct WriteEventData {
     96    SCCBHeader h;
     97    EventBufferHeader ebh;
     98    char data[];
     99} __attribute__((packed)) WriteEventData;
    100
    101typedef struct ReadEventData {
    102    SCCBHeader h;
    103    EventBufferHeader ebh;
    104    uint32_t mask;
    105} __attribute__((packed)) ReadEventData;
    106
    107#define __pa(x) (x)
    108
    109#endif /* SCLP_H */