configs/ioapic-demo.c

   1 /*
   2  * Jailhouse, a Linux-based partitioning hypervisor
   3  *
   4  * Minimal configuration for IOAPIC demo inmate:
   5  * 1 CPU, 1 MB RAM, 1 serial port, 1 ACPI IRQ pin
   6  *
   7  * Copyright (c) Siemens AG, 2014
   8  *
   9  * Authors:
  10  *  Jan Kiszka <jan.kiszka@siemens.com>
  11  *
  12  * This work is licensed under the terms of the GNU GPL, version 2.  See
  13  * the COPYING file in the top-level directory.
  14  */
  15
  16 #include <linux/types.h>
  17 #include <jailhouse/cell-config.h>
  18
  19 #define ARRAY_SIZE(a) sizeof(a) / sizeof(a[0])
  20
  21 struct {
  22         struct jailhouse_cell_desc cell;
  23         __u64 cpus[1];
  24         struct jailhouse_memory mem_regions[2];
  25         struct jailhouse_irqchip irqchips[1];
  26         __u8 pio_bitmap[0x2000];
  27 } __attribute__((packed)) config = {
  28         .cell = {
  29                 .signature = JAILHOUSE_CELL_DESC_SIGNATURE,
  30                 .name = "ioapic-demo",
  31                 .flags = JAILHOUSE_CELL_PASSIVE_COMMREG,
  32
  33                 .cpu_set_size = sizeof(config.cpus),
  34                 .num_memory_regions = ARRAY_SIZE(config.mem_regions),
  35                 .num_irqchips = ARRAY_SIZE(config.irqchips),
  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         .irqchips = {
  61                 /* IOAPIC */ {
  62                         .address = 0xfec00000,
  63                         .id = 0xff01,
  64                         .pin_bitmap = 0x000200, /* ACPI IRQ */
  65                 },
  66         },
  67
  68         .pio_bitmap = {
  69                 [     0/8 ...  0x2f7/8] = -1,
  70                 [ 0x2f8/8 ...  0x2ff/8] = 0, /* serial2 */
  71                 [ 0x300/8 ...  0x5ff/8] = -1,
  72                 [ 0x600/8 ...  0x607/8] = 0xf0, /* acpi-evt */
  73                 [ 0x608/8 ...  0x7ff/8] = -1,
  74                 [ 0x800/8 ...  0x807/8] = 0xf0 /* apci-pm1a */,
  75                 [ 0x808/8 ... 0xdfff/8] = -1,
  76                 [0xe000/8 ... 0xe007/8] = 0, /* OXPCIe952 serial2 */
  77                 [0xe008/8 ... 0xffff/8] = -1,
  78         },
  79 };