2 * Copyright (c) 2007, Neocleus Corporation.
3 * Copyright (c) 2007, Intel Corporation.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
16 * Place - Suite 330, Boston, MA 02111-1307 USA.
18 * Data structures for storing PCI state
20 * Adapted to kvm by Qumranet
22 * Copyright (c) 2007, Neocleus, Alex Novik (alex@neocleus.com)
23 * Copyright (c) 2007, Neocleus, Guy Zana (guy@neocleus.com)
24 * Copyright (C) 2008, Qumranet, Amit Shah (amit.shah@qumranet.com)
25 * Copyright (C) 2008, Red Hat, Amit Shah (amit.shah@redhat.com)
28 #ifndef __DEVICE_ASSIGNMENT_H__
29 #define __DEVICE_ASSIGNMENT_H__
32 #include "qemu-common.h"
33 #include "qemu-queue.h"
36 /* From include/linux/pci.h in the kernel sources */
37 #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
39 typedef struct PCIHostDevice
{
46 int type
; /* Memory or port I/O */
49 uint32_t size
; /* size of the region */
54 uint8_t bus
, dev
, func
; /* Bus inside domain, device and function */
55 int irq
; /* IRQ number */
56 uint16_t region_number
; /* number of active regions */
58 /* Port I/O or MMIO Regions */
59 PCIRegion regions
[PCI_NUM_REGIONS
];
64 target_phys_addr_t e_physbase
;
65 uint32_t memory_index
;
67 void *r_virtbase
; /* mmapped access address for memory regions */
68 uint32_t r_baseport
; /* the base guest port for I/O regions */
70 int num
; /* our index within v_addrs[] */
71 uint32_t e_size
; /* emulated size of region in bytes */
72 uint32_t r_size
; /* real size of region in bytes */
75 typedef struct AssignedDevice
{
81 AssignedDevRegion v_addrs
[PCI_NUM_REGIONS
];
82 PCIDevRegions real_device
;
85 unsigned char h_busnr
;
87 int irq_requested_type
;
91 #define ASSIGNED_DEVICE_CAP_MSI (1 << 0)
92 #define ASSIGNED_DEVICE_CAP_MSIX (1 << 1)
94 #define ASSIGNED_DEVICE_MSI_ENABLED (1 << 0)
95 #define ASSIGNED_DEVICE_MSIX_ENABLED (1 << 1)
96 #define ASSIGNED_DEVICE_MSIX_MASKED (1 << 2)
100 struct kvm_irq_routing_entry
*entry
;
101 void *msix_table_page
;
102 target_phys_addr_t msix_table_addr
;
104 int need_emulate_cmd
;
105 QLIST_ENTRY(AssignedDevice
) next
;
108 QemuOpts
*add_assigned_device(const char *arg
);
109 void add_assigned_devices(PCIBus
*bus
, const char **devices
, int n_devices
);
110 void assigned_dev_update_irqs(void);
112 #define MAX_DEV_ASSIGN_CMDLINE 8
114 extern const char *assigned_devices
[MAX_DEV_ASSIGN_CMDLINE
];
115 extern int assigned_devices_index
;
117 #endif /* __DEVICE_ASSIGNMENT_H__ */