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                 .name = "ioapic-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_irqchips = ARRAY_SIZE(config.irqchips),
  35                 .pio_bitmap_size = ARRAY_SIZE(config.pio_bitmap),
  36                 .num_pci_devices = 0,
  37         },
  38
  39         .cpus = {
  40                 0x4,
  41         },
  42
  43         .mem_regions = {
  44                 /* RAM */ {
  45                         .phys_start = 0x3f100000,
  46                         .virt_start = 0,
  47                         .size = 0x00100000,
  48                         .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
  49                                 JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_LOADABLE,
  50                 },
  51                 /* communication region */ {
  52                         .virt_start = 0x00100000,
  53                         .size = 0x00001000,
  54                         .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
  55                                 JAILHOUSE_MEM_COMM_REGION,
  56                 },
  57         },
  58
  59         .irqchips = {
  60                 /* IOAPIC */ {
  61                         .address = 0xfec00000,
  62                         .id = 0xff01,
  63                         .pin_bitmap = 0x000200, /* ACPI IRQ */
  64                 },
  65         },
  66
  67         .pio_bitmap = {
  68                 [     0/8 ...  0x2f7/8] = -1,
  69                 [ 0x2f8/8 ...  0x2ff/8] = 0, /* serial2 */
  70                 [ 0x300/8 ...  0x5ff/8] = -1,
  71                 [ 0x600/8 ...  0x607/8] = 0xf0, /* acpi-evt */
  72                 [ 0x608/8 ...  0x7ff/8] = -1,
  73                 [ 0x800/8 ...  0x807/8] = 0xf0 /* apci-pm1a */,
  74                 [ 0x808/8 ... 0xdfff/8] = -1,
  75                 [0xe000/8 ... 0xe007/8] = 0, /* OXPCIe952 serial2 */
  76                 [0xe008/8 ... 0xffff/8] = -1,
  77         },
  78 };