diff options
Diffstat (limited to 'arch/powerpc/platforms/iseries/vio.c')
-rw-r--r-- | arch/powerpc/platforms/iseries/vio.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/arch/powerpc/platforms/iseries/vio.c b/arch/powerpc/platforms/iseries/vio.c deleted file mode 100644 index ad36ab0639f0..000000000000 --- a/arch/powerpc/platforms/iseries/vio.c +++ /dev/null | |||
@@ -1,131 +0,0 @@ | |||
1 | /* | ||
2 | * IBM PowerPC iSeries Virtual I/O Infrastructure Support. | ||
3 | * | ||
4 | * Copyright (c) 2005 Stephen Rothwell, IBM Corp. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the License, or (at your option) any later version. | ||
10 | */ | ||
11 | #include <linux/types.h> | ||
12 | #include <linux/device.h> | ||
13 | #include <linux/init.h> | ||
14 | |||
15 | #include <asm/vio.h> | ||
16 | #include <asm/iommu.h> | ||
17 | #include <asm/tce.h> | ||
18 | #include <asm/abs_addr.h> | ||
19 | #include <asm/page.h> | ||
20 | #include <asm/iseries/vio.h> | ||
21 | #include <asm/iseries/hv_types.h> | ||
22 | #include <asm/iseries/hv_lp_config.h> | ||
23 | #include <asm/iseries/hv_call_xm.h> | ||
24 | |||
25 | #include "iommu.h" | ||
26 | |||
27 | struct device *iSeries_vio_dev = &vio_bus_device.dev; | ||
28 | EXPORT_SYMBOL(iSeries_vio_dev); | ||
29 | |||
30 | static struct iommu_table veth_iommu_table; | ||
31 | static struct iommu_table vio_iommu_table; | ||
32 | |||
33 | static void __init iommu_vio_init(void) | ||
34 | { | ||
35 | iommu_table_getparms_iSeries(255, 0, 0xff, &veth_iommu_table); | ||
36 | veth_iommu_table.it_size /= 2; | ||
37 | vio_iommu_table = veth_iommu_table; | ||
38 | vio_iommu_table.it_offset += veth_iommu_table.it_size; | ||
39 | |||
40 | if (!iommu_init_table(&veth_iommu_table)) | ||
41 | printk("Virtual Bus VETH TCE table failed.\n"); | ||
42 | if (!iommu_init_table(&vio_iommu_table)) | ||
43 | printk("Virtual Bus VIO TCE table failed.\n"); | ||
44 | } | ||
45 | |||
46 | /** | ||
47 | * vio_register_device_iseries: - Register a new iSeries vio device. | ||
48 | * @voidev: The device to register. | ||
49 | */ | ||
50 | static struct vio_dev *__init vio_register_device_iseries(char *type, | ||
51 | uint32_t unit_num) | ||
52 | { | ||
53 | struct vio_dev *viodev; | ||
54 | |||
55 | /* allocate a vio_dev for this device */ | ||
56 | viodev = kmalloc(sizeof(struct vio_dev), GFP_KERNEL); | ||
57 | if (!viodev) | ||
58 | return NULL; | ||
59 | memset(viodev, 0, sizeof(struct vio_dev)); | ||
60 | |||
61 | snprintf(viodev->dev.bus_id, BUS_ID_SIZE, "%s%d", type, unit_num); | ||
62 | |||
63 | viodev->name = viodev->dev.bus_id; | ||
64 | viodev->type = type; | ||
65 | viodev->unit_address = unit_num; | ||
66 | viodev->iommu_table = &vio_iommu_table; | ||
67 | if (vio_register_device(viodev) == NULL) { | ||
68 | kfree(viodev); | ||
69 | return NULL; | ||
70 | } | ||
71 | return viodev; | ||
72 | } | ||
73 | |||
74 | void __init probe_bus_iseries(void) | ||
75 | { | ||
76 | HvLpIndexMap vlan_map; | ||
77 | struct vio_dev *viodev; | ||
78 | int i; | ||
79 | |||
80 | /* there is only one of each of these */ | ||
81 | vio_register_device_iseries("viocons", 0); | ||
82 | vio_register_device_iseries("vscsi", 0); | ||
83 | |||
84 | vlan_map = HvLpConfig_getVirtualLanIndexMap(); | ||
85 | for (i = 0; i < HVMAXARCHITECTEDVIRTUALLANS; i++) { | ||
86 | if ((vlan_map & (0x8000 >> i)) == 0) | ||
87 | continue; | ||
88 | viodev = vio_register_device_iseries("vlan", i); | ||
89 | /* veth is special and has it own iommu_table */ | ||
90 | viodev->iommu_table = &veth_iommu_table; | ||
91 | } | ||
92 | for (i = 0; i < HVMAXARCHITECTEDVIRTUALDISKS; i++) | ||
93 | vio_register_device_iseries("viodasd", i); | ||
94 | for (i = 0; i < HVMAXARCHITECTEDVIRTUALCDROMS; i++) | ||
95 | vio_register_device_iseries("viocd", i); | ||
96 | for (i = 0; i < HVMAXARCHITECTEDVIRTUALTAPES; i++) | ||
97 | vio_register_device_iseries("viotape", i); | ||
98 | } | ||
99 | |||
100 | /** | ||
101 | * vio_match_device_iseries: - Tell if a iSeries VIO device matches a | ||
102 | * vio_device_id | ||
103 | */ | ||
104 | static int vio_match_device_iseries(const struct vio_device_id *id, | ||
105 | const struct vio_dev *dev) | ||
106 | { | ||
107 | return strncmp(dev->type, id->type, strlen(id->type)) == 0; | ||
108 | } | ||
109 | |||
110 | static struct vio_bus_ops vio_bus_ops_iseries = { | ||
111 | .match = vio_match_device_iseries, | ||
112 | }; | ||
113 | |||
114 | /** | ||
115 | * vio_bus_init_iseries: - Initialize the iSeries virtual IO bus | ||
116 | */ | ||
117 | static int __init vio_bus_init_iseries(void) | ||
118 | { | ||
119 | int err; | ||
120 | |||
121 | err = vio_bus_init(&vio_bus_ops_iseries); | ||
122 | if (err == 0) { | ||
123 | iommu_vio_init(); | ||
124 | vio_bus_device.iommu_table = &vio_iommu_table; | ||
125 | iSeries_vio_dev = &vio_bus_device.dev; | ||
126 | probe_bus_iseries(); | ||
127 | } | ||
128 | return err; | ||
129 | } | ||
130 | |||
131 | __initcall(vio_bus_init_iseries); | ||