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                 .signature = JAILHOUSE_CELL_DESC_SIGNATURE,
  28                 .name = "ivshmem-demo",
  29                 .flags = JAILHOUSE_CELL_PASSIVE_COMMREG,
  30
  31                 .cpu_set_size = sizeof(config.cpus),
  32                 .num_memory_regions = ARRAY_SIZE(config.mem_regions),
  33                 .num_irqchips = 0,
  34                 .pio_bitmap_size = ARRAY_SIZE(config.pio_bitmap),
  35                 .num_pci_devices = ARRAY_SIZE(config.pci_devices),
  36                 .num_pci_caps = ARRAY_SIZE(config.pci_caps),
  37         },
  38
  39         .cpus = {
  40                 0b0100,
  41         },
  42
  43         .mem_regions = {
  44                 /* RAM */ {
  45                         .phys_start = 0x3f000000,
  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                 /* IVSHMEM shared memory region */
  58                 {
  59                         .phys_start = 0x3f1ff000,
  60                         .virt_start = 0x3f1ff000,
  61                         .size = 0x1000,
  62                         .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
  63                                 JAILHOUSE_MEM_ROOTSHARED,
  64                 },
  65         },
  66
  67         .pio_bitmap = {
  68                 [     0/8 ...  0x3f7/8] = -1,
  69                 [ 0x3f8/8 ...  0x3ff/8] = 0, /* serial1 */
  70                 [ 0x400/8 ... 0xffff/8] = -1,
  71         },
  72
  73         .pci_devices = {
  74                 {
  75                         .type = JAILHOUSE_PCI_TYPE_IVSHMEM,
  76                         .domain = 0x0,
  77                         .bdf = (0x0f<<3),
  78                         .bar_mask = {
  79                                 0xffffff00, 0xffffffff, 0x00000000,
  80                                 0x00000000, 0xffffffe0, 0xffffffff,
  81                         },
  82                         .shmem_region = 2,
  83                         .num_msix_vectors = 1,
  84                 },
  85         },
  86 };