configs/ivshmem-demo.c

   1 /*
   2  * Jailhouse, a Linux-based partitioning hypervisor
   3  *
   4  * Copyright (c) Siemens AG, 2013, 2014
   5  *
   6  * Authors:
   7  *  Henning Schild <henning.schild@siemens.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2.  See
  10  * the COPYING file in the top-level directory.
  11  */
  12
  13 #include <linux/types.h>
  14 #include <jailhouse/cell-config.h>
  15
  16 #define ARRAY_SIZE(a) sizeof(a) / sizeof(a[0])
  17
  18 struct {
  19         struct jailhouse_cell_desc cell;
  20         __u64 cpus[1];
  21         struct jailhouse_memory mem_regions[3];
  22         __u8 pio_bitmap[0x2000];
  23         struct jailhouse_pci_device pci_devices[1];
  24         struct jailhouse_pci_capability pci_caps[0];
  25 } __attribute__((packed)) config = {
  26         .cell = {
  27                 .name = "ivshmem-demo",
  28                 .flags = JAILHOUSE_CELL_PASSIVE_COMMREG,
  29
  30                 .cpu_set_size = sizeof(config.cpus),
  31                 .num_memory_regions = ARRAY_SIZE(config.mem_regions),
  32                 .num_irqchips = 0,
  33                 .pio_bitmap_size = ARRAY_SIZE(config.pio_bitmap),
  34                 .num_pci_devices = ARRAY_SIZE(config.pci_devices),
  35                 .num_pci_caps = ARRAY_SIZE(config.pci_caps),
  36         },
  37
  38         .cpus = {
  39                 0b0100,
  40         },
  41
  42         .mem_regions = {
  43                 /* RAM */ {
  44                         .phys_start = 0x3f000000,
  45                         .virt_start = 0,
  46                         .size = 0x00100000,
  47                         .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
  48                                 JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_LOADABLE,
  49                 },
  50                 /* communication region */ {
  51                         .virt_start = 0x00100000,
  52                         .size = 0x00001000,
  53                         .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
  54                                 JAILHOUSE_MEM_COMM_REGION,
  55                 },
  56                 /* IVSHMEM shared memory region */
  57                 {
  58                         .phys_start = 0x3f1ff000,
  59                         .virt_start = 0x3f1ff000,
  60                         .size = 0x1000,
  61                         .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
  62                                 JAILHOUSE_MEM_ROOTSHARED,
  63                 },
  64         },
  65
  66         .pio_bitmap = {
  67                 [     0/8 ...  0x3f7/8] = -1,
  68                 [ 0x3f8/8 ...  0x3ff/8] = 0, /* serial1 */
  69                 [ 0x400/8 ... 0xffff/8] = -1,
  70         },
  71
  72         .pci_devices = {
  73                 {
  74                         .type = JAILHOUSE_PCI_TYPE_IVSHMEM,
  75                         .domain = 0x0,
  76                         .bdf = (0x0f<<3),
  77                         .bar_mask = {
  78                                 0xffffff00, 0xffffffff, 0x00000000,
  79                                 0x00000000, 0xffffffe0, 0xffffffff,
  80                         },
  81                         .shmem_region = 2,
  82                         .num_msix_vectors = 1,
  83                 },
  84         },
  85 };