/[dynamips]/upstream/dynamips-0.2.5/pci_dev.h
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Contents of /upstream/dynamips-0.2.5/pci_dev.h

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Revision 1 - (show annotations)
Sat Oct 6 16:01:44 2007 UTC (16 years, 5 months ago) by dpavlin
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File size: 5126 byte(s)
import 0.2.5 from upstream

1 /*
2 * Cisco 7200 (Predator) simulation platform.
3 * Copyright (c) 2005,2006 Christophe Fillot (cf@utc.fr)
4 */
5
6 #ifndef __PCI_DEV_H__
7 #define __PCI_DEV_H__
8
9 #include "utils.h"
10 //#include "pcireg.h"
11
12 #define PCI_BUS_ADDR 0xcf8
13 #define PCI_BUS_DATA 0xcfc
14
15 /* PCI ID (Vendor + Device) register */
16 #define PCI_REG_ID 0x00
17
18 /* PCI Base Address Registers (BAR) */
19 #define PCI_REG_BAR0 0x10
20 #define PCI_REG_BAR1 0x14
21 #define PCI_REG_BAR2 0x18
22 #define PCI_REG_BAR3 0x1c
23 #define PCI_REG_BAR4 0x20
24 #define PCI_REG_BAR5 0x24
25
26 /* Forward declaration for PCI device */
27 typedef struct pci_device pci_dev_t;
28
29 /* PCI function prototypes */
30 typedef void (*pci_init_t)(pci_dev_t *dev);
31 typedef m_uint32_t (*pci_reg_read_t)(cpu_mips_t *cpu,pci_dev_t *dev,int reg);
32 typedef void (*pci_reg_write_t)(cpu_mips_t *cpu,pci_dev_t *dev,int reg,
33 m_uint32_t value);
34 /* PCI device */
35 struct pci_device {
36 char *name;
37 u_int vendor_id,product_id;
38 int device,function,irq;
39 void *priv_data;
40
41 /* Parent bus */
42 struct pci_bus *pci_bus;
43
44 pci_init_t init;
45 pci_reg_read_t read_register;
46 pci_reg_write_t write_register;
47
48 struct pci_device *next,**pprev;
49 };
50
51 /* PCI bus */
52 struct pci_bus {
53 char *name;
54 m_uint32_t pci_addr;
55
56 /* Bus number */
57 int bus;
58
59 /* PCI device list on this bus */
60 struct pci_device *dev_list;
61
62 /* PCI bridges to access other busses */
63 struct pci_bridge *bridge_list;
64 };
65
66 /* PCI bridge */
67 struct pci_bridge {
68 int pri_bus; /* Primary Bus */
69 int sec_bus; /* Secondary Bus */
70 int sub_bus; /* Subordinate Bus */
71
72 int skip_bus_check;
73
74 /* Bus configuration register */
75 m_uint32_t cfg_reg_bus;
76
77 /* PCI bridge device */
78 struct pci_device *pci_dev;
79
80 /* Secondary PCI bus */
81 struct pci_bus *pci_bus;
82
83 /* Fallback handlers to read/write config registers */
84 pci_reg_read_t fallback_read;
85 pci_reg_write_t fallback_write;
86
87 struct pci_bridge *next,**pprev;
88 };
89
90 /* PCI IO device */
91 struct pci_io_device {
92 m_uint32_t start,end;
93 struct vdevice *real_dev;
94 dev_handler_t handler;
95 struct pci_io_device *next,**pprev;
96 };
97
98 /* Trigger a PCI device IRQ */
99 void pci_dev_trigger_irq(vm_instance_t *vm,struct pci_device *dev);
100
101 /* Clear a PCI device IRQ */
102 void pci_dev_clear_irq(vm_instance_t *vm,struct pci_device *dev);
103
104 /* PCI bus lookup */
105 struct pci_bus *pci_bus_lookup(struct pci_bus *pci_bus_root,int bus);
106
107 /* PCI device local lookup */
108 struct pci_device *pci_dev_lookup_local(struct pci_bus *pci_bus,
109 int device,int function);
110
111 /* PCI device lookup */
112 struct pci_device *pci_dev_lookup(struct pci_bus *pci_bus_root,
113 int bus,int device,int function);
114
115 /* Handle the address register access */
116 void pci_dev_addr_handler(cpu_mips_t *cpu,struct pci_bus *pci_bus,
117 u_int op_type,int swap,m_uint64_t *data);
118
119 /* Handle the data register access */
120 void pci_dev_data_handler(cpu_mips_t *cpu,struct pci_bus *pci_bus,
121 u_int op_type,int swap,m_uint64_t *data);
122
123 /* Add a PCI bridge */
124 struct pci_bridge *pci_bridge_add(struct pci_bus *pci_bus);
125
126 /* Remove a PCI bridge */
127 void pci_bridge_remove(struct pci_bridge *bridge);
128
129 /* Map secondary bus to a PCI bridge */
130 void pci_bridge_map_bus(struct pci_bridge *bridge,struct pci_bus *pci_bus);
131
132 /* Set PCI bridge bus info */
133 void pci_bridge_set_bus_info(struct pci_bridge *bridge,
134 int pri_bus,int sec_bus,int sub_bus);
135
136 /* Add a PCI device */
137 struct pci_device *
138 pci_dev_add(struct pci_bus *pci_bus,
139 char *name,u_int vendor_id,u_int product_id,
140 int device,int function,int irq,
141 void *priv_data,pci_init_t init,
142 pci_reg_read_t read_register,
143 pci_reg_write_t write_register);
144
145 /* Add a basic PCI device that just returns a Vendor/Product ID */
146 struct pci_device *
147 pci_dev_add_basic(struct pci_bus *pci_bus,
148 char *name,u_int vendor_id,u_int product_id,
149 int device,int function);
150
151 /* Remove a PCI device */
152 void pci_dev_remove(struct pci_device *dev);
153
154 /* Remove a PCI device given its ID (bus,device,function) */
155 int pci_dev_remove_by_id(struct pci_bus *pci_bus,
156 int bus,int device,int function);
157
158 /* Remove a PCI device given its name */
159 int pci_dev_remove_by_name(struct pci_bus *pci_bus,char *name);
160
161 /* Create a PCI bus */
162 struct pci_bus *pci_bus_create(char *name,int bus);
163
164 /* Delete a PCI bus */
165 void pci_bus_remove(struct pci_bus *pci_bus);
166
167 /* Create a PCI bridge device */
168 struct pci_device *pci_bridge_create_dev(struct pci_bus *pci_bus,char *name,
169 u_int vendor_id,u_int product_id,
170 int device,int function,
171 struct pci_bus *sec_bus,
172 pci_reg_read_t fallback_read,
173 pci_reg_write_t fallback_write);
174
175 /* Show PCI device list */
176 void pci_dev_show_list(struct pci_bus *pci_bus);
177
178 #endif

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