configs/tiny-demo.c

   1 /*
   2  * Jailhouse, a Linux-based partitioning hypervisor
   3  *
   4  * Minimal configuration for demo inmates, 1 CPU, 1 MB RAM, 1 serial port
   5  *
   6  * Copyright (c) Siemens AG, 2013, 2014
   7  *
   8  * Authors:
   9  *  Jan Kiszka <jan.kiszka@siemens.com>
  10  *
  11  * This work is licensed under the terms of the GNU GPL, version 2.  See
  12  * the COPYING file in the top-level directory.
  13  */
  14
  15 #include <linux/types.h>
  16 #include <jailhouse/cell-config.h>
  17
  18 #define ARRAY_SIZE(a) sizeof(a) / sizeof(a[0])
  19
  20 struct {
  21         struct jailhouse_cell_desc cell;
  22         __u64 cpus[1];
  23         struct jailhouse_memory mem_regions[2];
  24         struct jailhouse_cache cache_regions[1];
  25         __u8 pio_bitmap[0x2000];
  26 } __attribute__((packed)) config = {
  27         .cell = {
  28                 .signature = JAILHOUSE_CELL_DESC_SIGNATURE,
  29                 .name = "tiny-demo",
  30                 .flags = JAILHOUSE_CELL_PASSIVE_COMMREG,
  31
  32                 .cpu_set_size = sizeof(config.cpus),
  33                 .num_memory_regions = ARRAY_SIZE(config.mem_regions),
  34                 .num_cache_regions = ARRAY_SIZE(config.cache_regions),
  35                 .num_irqchips = 0,
  36                 .pio_bitmap_size = ARRAY_SIZE(config.pio_bitmap),
  37                 .num_pci_devices = 0,
  38         },
  39
  40         .cpus = {
  41                 0x4,
  42         },
  43
  44         .mem_regions = {
  45                 /* RAM */ {
  46                         .phys_start = 0x3f100000,
  47                         .virt_start = 0,
  48                         .size = 0x00100000,
  49                         .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
  50                                 JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_LOADABLE,
  51                 },
  52                 /* communication region */ {
  53                         .virt_start = 0x00100000,
  54                         .size = 0x00001000,
  55                         .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
  56                                 JAILHOUSE_MEM_COMM_REGION,
  57                 },
  58         },
  59
  60         .cache_regions = {
  61                 {
  62                         .start = 2,
  63                         .size = 1,
  64                         .type = JAILHOUSE_CACHE_L3,
  65                 },
  66         },
  67
  68         .pio_bitmap = {
  69                 [     0/8 ...  0x2f7/8] = -1,
  70                 [ 0x2f8/8 ...  0x2ff/8] = 0, /* serial2 */
  71                 [ 0x300/8 ... 0xdfff/8] = -1,
  72                 [0xe000/8 ... 0xe007/8] = 0, /* OXPCIe952 serial2 */
  73                 [0xe008/8 ... 0xffff/8] = -1,
  74         },
  75 };