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,
39 PCI_BAR_NONE } pci_bar_type_t;
41 typedef enum {PCI_STD_DEVICE, PCI_TO_PCI_BRIDGE, PCI_CARDBUS, PCI_MULTIFUNCTION} pci_device_type_t;
45 // For the rest of the subclass codes see:
46 // http://www.acm.uiuc.edu/sigops/roll_your_own/7.c.1.html
48 #define PCI_AUTO_DEV_NUM (-1)
58 addr_t default_base_addr;
59 int (*mem_read)(addr_t guest_addr, void * dst, uint_t length, void * private_data);
60 int (*mem_write)(addr_t guest_addr, void * src, uint_t length, void * private_data);
65 uint16_t default_base_port;
66 int (*io_read)(ushort_t port, void * dst, uint_t length, void * private_data);
67 int (*io_write)(ushort_t port, void * src, uint_t length, void * private_data);
80 #define PCI_IO_MASK 0xfffffffc
81 #define PCI_MEM32_MASK 0xfffffff0
83 #define PCI_IO_BASE(bar_val) (bar_val & PCI_IO_MASK)
84 #define PCI_MEM32_BASE(bar_val) (bar_val & PCI_MEM32_MASK)
89 uint8_t config_space[256];
92 struct pci_config_header config_header;
93 uint8_t config_data[192];
94 } __attribute__((packed));
95 } __attribute__((packed));
97 struct v3_pci_bar bar[6];
99 struct rb_node dev_tree_node;
108 } __attribute__((packed));
109 } __attribute__((packed));
113 struct vm_device * vm_dev; //the corresponding virtual device
115 int (*config_update)(struct pci_device * pci_dev, uint_t reg_num, int length);
117 int (*cmd_update)(struct pci_device *pci_dev, uchar_t io_enabled, uchar_t mem_enabled);
118 int (*ext_rom_update)(struct pci_device *pci_dev);
120 int ext_rom_update_flag;
127 int v3_pci_set_irq_bridge(struct vm_device * pci_bus, int bus_num,
128 int (*raise_pci_irq)(struct vm_device * dev, struct pci_device * pci_dev),
129 int (*lower_pci_irq)(struct vm_device * dev, struct pci_device * pci_dev),
130 struct vm_device * bridge_dev);
133 int v3_pci_raise_irq(struct vm_device * pci_bus, int bus_num, struct pci_device * dev);
134 int v3_pci_lower_irq(struct vm_device * pci_bus, int bus_num, struct pci_device * dev);
137 v3_pci_register_device(struct vm_device * pci,
138 pci_device_type_t dev_type,
143 struct v3_pci_bar * bars,
144 int (*config_update)(struct pci_device * pci_dev, uint_t reg_num, int length),
145 int (*cmd_update)(struct pci_device *pci_dev, uchar_t io_enabled, uchar_t mem_enabled),
146 int (*ext_rom_update)(struct pci_device *pci_dev),
147 struct vm_device * dev);