2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2009, Lei Xia <lxia@northwestern.edu>
11 * Copyright (c) 2009, Chang Seok Bae <jhuell@gmail.com>
12 * Copyright (c) 2009, The V3VEE Project <http://www.v3vee.org>
13 * All rights reserved.
15 * Author: Lei Xia <lxia@northwestern.edu>
16 * Chang Seok Bae <jhuell@gmail.com>
18 * This is free software. You are permitted to use,
19 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
22 #ifndef __DEVICES_PCI_H__
23 #define __DEVICES_PCI_H__
28 #include <palacios/vmm_types.h>
29 #include <palacios/vmm_rbtree.h>
31 #include <devices/pci_types.h>
34 typedef enum {PCI_BAR_IO, PCI_BAR_MEM16, PCI_BAR_MEM32, PCI_BAR_MEM64_LOW, PCI_BAR_MEM64_HIGH, PCI_BAR_NONE} pci_bar_type_t;
36 typedef enum {PCI_STD_DEVICE, PCI_TO_PCI_BRIDGE, PCI_CARDBUS, PCI_MULTIFUNCTION} pci_device_type_t;
40 // For the rest of the subclass codes see:
41 // http://www.acm.uiuc.edu/sigops/roll_your_own/7.c.1.html
43 #define PCI_AUTO_DEV_NUM (-1)
53 addr_t default_base_addr;
54 int (*mem_read)(addr_t guest_addr, void * dst, uint_t length, void * private_data);
55 int (*mem_write)(addr_t guest_addr, void * src, uint_t length, void * private_data);
60 uint16_t default_base_port;
61 int (*io_read)(ushort_t port, void * dst, uint_t length, struct vm_device * dev);
62 int (*io_write)(ushort_t port, void * src, uint_t length, struct vm_device * dev);
73 #define PCI_IO_BASE(bar_val) (bar_val & 0xfffffffc)
74 #define PCI_MEM32_BASE(bar_val) (bar_val & 0xfffffff0)
79 uint8_t config_space[256];
82 struct pci_config_header config_header;
83 uint8_t config_data[192];
84 } __attribute__((packed));
85 } __attribute__((packed));
87 struct v3_pci_bar bar[6];
89 struct rb_node dev_tree_node;
98 } __attribute__((packed));
99 } __attribute__((packed));
103 struct vm_device * vm_dev; //the corresponding virtual device
105 int (*config_update)(struct pci_device * pci_dev, uint_t reg_num, int length);
107 int (*cmd_update)(struct pci_device *pci_dev, uchar_t io_enabled, uchar_t mem_enabled);
108 int (*ext_rom_update)(struct pci_device *pci_dev);
110 int ext_rom_update_flag;
121 v3_pci_register_device(struct vm_device * pci,
122 pci_device_type_t dev_type,
127 struct v3_pci_bar * bars,
128 int (*config_update)(struct pci_device * pci_dev, uint_t reg_num, int length),
129 int (*cmd_update)(struct pci_device *pci_dev, uchar_t io_enabled, uchar_t mem_enabled),
130 int (*ext_rom_update)(struct pci_device *pci_dev),
131 struct vm_device * dev);