hypervisor/arch/x86/include/asm/cell.h

   1 /*
   2  * Jailhouse, a Linux-based partitioning hypervisor
   3  *
   4  * Copyright (c) Siemens AG, 2013
   5  *
   6  * Authors:
   7  *  Jan Kiszka <jan.kiszka@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 #ifndef _JAILHOUSE_ASM_CELL_H
  14 #define _JAILHOUSE_ASM_CELL_H
  15
  16 #include <jailhouse/paging.h>
  17
  18 #include <jailhouse/cell-config.h>
  19 #include <jailhouse/hypercall.h>
  20
  21 struct pci_device;
  22
  23 /**
  24  * struct cell - cell-related state information
  25  * ...
  26  * @pci_addr_port_val: virtual address port for PCI config space
  27  * ...
  28  */
  29 /* TODO: factor out arch-independent bits, define struct arch_cell */
  30 struct cell {
  31         struct {
  32                 /* should be first as it requires page alignment */
  33                 u8 __attribute__((aligned(PAGE_SIZE))) io_bitmap[2*PAGE_SIZE];
  34                 struct paging_structures ept_structs;
  35         } vmx;
  36
  37         struct {
  38                 struct paging_structures pg_structs;
  39                 bool ir_emulation;
  40         } vtd;
  41
  42         unsigned int id;
  43         unsigned int data_pages;
  44         struct jailhouse_cell_desc *config;
  45
  46         struct cpu_set *cpu_set;
  47         struct cpu_set small_cpu_set;
  48
  49         bool loadable;
  50
  51         struct cell *next;
  52
  53         struct pci_device *pci_devices;
  54         struct pci_device *msix_device_list;
  55         u32 pci_addr_port_val;
  56
  57         u32 ioapic_index_reg_val;
  58         u16 ioapic_id;
  59         u8 ioapic_iommu;
  60         u64 ioapic_pin_bitmap;
  61
  62         union {
  63                 struct jailhouse_comm_region comm_region;
  64                 u8 padding[PAGE_SIZE];
  65         } __attribute__((aligned(PAGE_SIZE))) comm_page;
  66 };
  67
  68 extern struct cell root_cell;
  69
  70 #endif /* !_JAILHOUSE_ASM_CELL_H */