hw/s390x/ipl.h

   1 /*
   2  * s390 IPL device
   3  *
   4  * Copyright 2015 IBM Corp.
   5  * Author(s): Zhang Fan <bjfanzh@cn.ibm.com>
   6  *
   7  * This work is licensed under the terms of the GNU GPL, version 2 or (at
   8  * your option) any later version. See the COPYING file in the top-level
   9  * directory.
  10  */
  11
  12 #ifndef HW_S390_IPL_H
  13 #define HW_S390_IPL_H
  14
  15 #include "hw/qdev.h"
  16 #include "cpu.h"
  17
  18 typedef struct IplParameterBlock {
  19       uint8_t  reserved1[110];
  20       uint16_t devno;
  21       uint8_t  reserved2[88];
  22 } IplParameterBlock;
  23
  24 void s390_ipl_update_diag308(IplParameterBlock *iplb);
  25 void s390_ipl_prepare_cpu(S390CPU *cpu);
  26 IplParameterBlock *s390_ipl_get_iplb(void);
  27 void s390_reipl_request(void);
  28
  29 #define TYPE_S390_IPL "s390-ipl"
  30 #define S390_IPL(obj) OBJECT_CHECK(S390IPLState, (obj), TYPE_S390_IPL)
  31
  32 struct S390IPLState {
  33     /*< private >*/
  34     DeviceState parent_obj;
  35     uint64_t start_addr;
  36     uint64_t bios_start_addr;
  37     bool enforce_bios;
  38     IplParameterBlock iplb;
  39     bool iplb_valid;
  40     bool reipl_requested;
  41
  42     /*< public >*/
  43     char *kernel;
  44     char *initrd;
  45     char *cmdline;
  46     char *firmware;
  47     uint8_t cssid;
  48     uint8_t ssid;
  49     uint16_t devno;
  50 };
  51 typedef struct S390IPLState S390IPLState;
  52
  53 #endif