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1da177e4 LT |
1 | /* |
2 | * Compaq Hot Plug Controller Driver | |
3 | * | |
4 | * Copyright (C) 1995,2001 Compaq Computer Corporation | |
5 | * Copyright (C) 2001,2003 Greg Kroah-Hartman (greg@kroah.com) | |
6 | * Copyright (C) 2001 IBM Corp. | |
7 | * | |
8 | * All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or (at | |
13 | * your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, but | |
16 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or | |
18 | * NON INFRINGEMENT. See the GNU General Public License for more | |
19 | * details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
24 | * | |
25 | * Send feedback to <greg@kroah.com> | |
26 | * | |
27 | */ | |
28 | ||
29 | #include <linux/config.h> | |
30 | #include <linux/module.h> | |
31 | #include <linux/kernel.h> | |
32 | #include <linux/types.h> | |
33 | #include <linux/proc_fs.h> | |
34 | #include <linux/workqueue.h> | |
35 | #include <linux/pci.h> | |
36 | #include "cpqphp.h" | |
37 | ||
38 | ||
39 | /* A few routines that create sysfs entries for the hot plug controller */ | |
40 | ||
41 | static ssize_t show_ctrl (struct device *dev, char *buf) | |
42 | { | |
43 | struct pci_dev *pci_dev; | |
44 | struct controller *ctrl; | |
45 | char * out = buf; | |
46 | int index; | |
47 | struct pci_resource *res; | |
48 | ||
49 | pci_dev = container_of (dev, struct pci_dev, dev); | |
50 | ctrl = pci_get_drvdata(pci_dev); | |
51 | ||
52 | out += sprintf(buf, "Free resources: memory\n"); | |
53 | index = 11; | |
54 | res = ctrl->mem_head; | |
55 | while (res && index--) { | |
56 | out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length); | |
57 | res = res->next; | |
58 | } | |
59 | out += sprintf(out, "Free resources: prefetchable memory\n"); | |
60 | index = 11; | |
61 | res = ctrl->p_mem_head; | |
62 | while (res && index--) { | |
63 | out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length); | |
64 | res = res->next; | |
65 | } | |
66 | out += sprintf(out, "Free resources: IO\n"); | |
67 | index = 11; | |
68 | res = ctrl->io_head; | |
69 | while (res && index--) { | |
70 | out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length); | |
71 | res = res->next; | |
72 | } | |
73 | out += sprintf(out, "Free resources: bus numbers\n"); | |
74 | index = 11; | |
75 | res = ctrl->bus_head; | |
76 | while (res && index--) { | |
77 | out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length); | |
78 | res = res->next; | |
79 | } | |
80 | ||
81 | return out - buf; | |
82 | } | |
83 | static DEVICE_ATTR (ctrl, S_IRUGO, show_ctrl, NULL); | |
84 | ||
85 | static ssize_t show_dev (struct device *dev, char *buf) | |
86 | { | |
87 | struct pci_dev *pci_dev; | |
88 | struct controller *ctrl; | |
89 | char * out = buf; | |
90 | int index; | |
91 | struct pci_resource *res; | |
92 | struct pci_func *new_slot; | |
93 | struct slot *slot; | |
94 | ||
95 | pci_dev = container_of (dev, struct pci_dev, dev); | |
96 | ctrl = pci_get_drvdata(pci_dev); | |
97 | ||
98 | slot=ctrl->slot; | |
99 | ||
100 | while (slot) { | |
101 | new_slot = cpqhp_slot_find(slot->bus, slot->device, 0); | |
102 | if (!new_slot) | |
103 | break; | |
104 | out += sprintf(out, "assigned resources: memory\n"); | |
105 | index = 11; | |
106 | res = new_slot->mem_head; | |
107 | while (res && index--) { | |
108 | out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length); | |
109 | res = res->next; | |
110 | } | |
111 | out += sprintf(out, "assigned resources: prefetchable memory\n"); | |
112 | index = 11; | |
113 | res = new_slot->p_mem_head; | |
114 | while (res && index--) { | |
115 | out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length); | |
116 | res = res->next; | |
117 | } | |
118 | out += sprintf(out, "assigned resources: IO\n"); | |
119 | index = 11; | |
120 | res = new_slot->io_head; | |
121 | while (res && index--) { | |
122 | out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length); | |
123 | res = res->next; | |
124 | } | |
125 | out += sprintf(out, "assigned resources: bus numbers\n"); | |
126 | index = 11; | |
127 | res = new_slot->bus_head; | |
128 | while (res && index--) { | |
129 | out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length); | |
130 | res = res->next; | |
131 | } | |
132 | slot=slot->next; | |
133 | } | |
134 | ||
135 | return out - buf; | |
136 | } | |
137 | static DEVICE_ATTR (dev, S_IRUGO, show_dev, NULL); | |
138 | ||
139 | void cpqhp_create_ctrl_files (struct controller *ctrl) | |
140 | { | |
141 | device_create_file (&ctrl->pci_dev->dev, &dev_attr_ctrl); | |
142 | device_create_file (&ctrl->pci_dev->dev, &dev_attr_dev); | |
143 | } |