1 |
/* |
2 |
* Cisco router simulation platform. |
3 |
* Copyright (c) 2007 Christophe Fillot (cf@utc.fr) |
4 |
* |
5 |
* PC Modules NM (NM-NAM, NM-CIDS, ...) for c2600 platforms. |
6 |
*/ |
7 |
|
8 |
#include <stdio.h> |
9 |
#include <stdlib.h> |
10 |
#include <string.h> |
11 |
#include <stdarg.h> |
12 |
#include <unistd.h> |
13 |
#include <time.h> |
14 |
#include <errno.h> |
15 |
#include <assert.h> |
16 |
|
17 |
#include "utils.h" |
18 |
#include "net.h" |
19 |
#include "net_io.h" |
20 |
#include "ptask.h" |
21 |
#include "vm.h" |
22 |
#include "dev_i8255x.h" |
23 |
#include "dev_c2600.h" |
24 |
|
25 |
/* Initialize a NM-NAM in the specified slot */ |
26 |
static int dev_c2600_pcmod_init(vm_instance_t *vm,struct cisco_card *card) |
27 |
{ |
28 |
|
29 |
struct i8255x_data *data; |
30 |
u_int slot = card->slot_id; |
31 |
|
32 |
/* |
33 |
* Non-XM models don't have the capability to byte-swap through their |
34 |
* PCI host bridge (required for i82559 data transfers). |
35 |
*/ |
36 |
if (!VM_C2600(vm)->xm_model) { |
37 |
vm_error(vm,"%s is not supported in C2600 non-XM models.\n", |
38 |
card->driver->dev_type); |
39 |
return(-1); |
40 |
} |
41 |
|
42 |
/* Set the PCI bus */ |
43 |
card->pci_bus = vm->slots_pci_bus[slot]; |
44 |
|
45 |
/* Set the EEPROM */ |
46 |
cisco_card_set_eeprom(vm,card,cisco_eeprom_find_nm(card->driver->dev_type)); |
47 |
c2600_set_slot_eeprom(VM_C2600(vm),slot,&card->eeprom); |
48 |
|
49 |
/* Create the Intel i8255x chip */ |
50 |
data = dev_i8255x_init(vm,card->dev_name,0, |
51 |
card->pci_bus,slot * 4, |
52 |
c2600_net_irq_for_slot_port(slot,0)); |
53 |
|
54 |
/* Store device info into the router structure */ |
55 |
card->drv_info = data; |
56 |
return(0); |
57 |
} |
58 |
|
59 |
/* Remove a NM PC module from the specified slot */ |
60 |
static int dev_c2600_pcmod_shutdown(vm_instance_t *vm,struct cisco_card *card) |
61 |
{ |
62 |
struct i8255x_data *data = card->drv_info; |
63 |
|
64 |
/* Remove the NM EEPROM */ |
65 |
cisco_card_unset_eeprom(card); |
66 |
c2600_set_slot_eeprom(VM_C2600(vm),card->slot_id,NULL); |
67 |
|
68 |
/* Remove the Intel i2855x chip */ |
69 |
dev_i8255x_remove(data); |
70 |
return(0); |
71 |
} |
72 |
|
73 |
/* Bind a Network IO descriptor */ |
74 |
static int dev_c2600_pcmod_set_nio(vm_instance_t *vm,struct cisco_card *card, |
75 |
u_int port_id,netio_desc_t *nio) |
76 |
{ |
77 |
struct i8255x_data *d = card->drv_info; |
78 |
|
79 |
if (!d || (port_id != 0)) |
80 |
return(-1); |
81 |
|
82 |
dev_i8255x_set_nio(d,nio); |
83 |
return(0); |
84 |
} |
85 |
|
86 |
/* Unbind a Network IO descriptor */ |
87 |
static int dev_c2600_pcmod_unset_nio(vm_instance_t *vm,struct cisco_card *card, |
88 |
u_int port_id) |
89 |
{ |
90 |
struct i8255x_data *d = card->drv_info; |
91 |
|
92 |
if (!d || (port_id != 0)) |
93 |
return(-1); |
94 |
|
95 |
dev_i8255x_unset_nio(d); |
96 |
return(0); |
97 |
} |
98 |
|
99 |
/* NM-NAM driver */ |
100 |
struct cisco_card_driver dev_c2600_nm_nam_driver = { |
101 |
"NM-NAM", 0, 0, |
102 |
dev_c2600_pcmod_init, |
103 |
dev_c2600_pcmod_shutdown, |
104 |
NULL, |
105 |
dev_c2600_pcmod_set_nio, |
106 |
dev_c2600_pcmod_unset_nio, |
107 |
NULL, |
108 |
}; |
109 |
|
110 |
/* NM-CIDS driver */ |
111 |
struct cisco_card_driver dev_c2600_nm_cids_driver = { |
112 |
"NM-CIDS", 0, 0, |
113 |
dev_c2600_pcmod_init, |
114 |
dev_c2600_pcmod_shutdown, |
115 |
NULL, |
116 |
dev_c2600_pcmod_set_nio, |
117 |
dev_c2600_pcmod_unset_nio, |
118 |
NULL, |
119 |
}; |