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authorStephen Rothwell <sfr@canb.auug.org.au>2006-04-27 03:23:32 -0400
committerPaul Mackerras <paulus@samba.org>2006-04-29 04:02:02 -0400
commitc7f0e8cb5654a50986c6097b3c0cca972e406899 (patch)
treedc8a8e590c5cf97d8b7cae2f1e93bdbef178f89f /arch/powerpc/platforms
parentdd721ffd95d5e1516380da0b254ef737582a258f (diff)
[PATCH] powerpc: merge the rest of the vio code
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms')
-rw-r--r--arch/powerpc/platforms/iseries/Makefile1
-rw-r--r--arch/powerpc/platforms/iseries/iommu.c3
-rw-r--r--arch/powerpc/platforms/iseries/iommu.h35
-rw-r--r--arch/powerpc/platforms/iseries/pci.c2
-rw-r--r--arch/powerpc/platforms/iseries/vio.c67
-rw-r--r--arch/powerpc/platforms/pseries/Makefile1
-rw-r--r--arch/powerpc/platforms/pseries/vio.c133
7 files changed, 2 insertions, 240 deletions
diff --git a/arch/powerpc/platforms/iseries/Makefile b/arch/powerpc/platforms/iseries/Makefile
index ce8c0b943fa0..7e67a20c18ab 100644
--- a/arch/powerpc/platforms/iseries/Makefile
+++ b/arch/powerpc/platforms/iseries/Makefile
@@ -3,7 +3,6 @@ EXTRA_CFLAGS += -mno-minimal-toc
3obj-y += hvlog.o hvlpconfig.o lpardata.o setup.o mf.o lpevents.o \ 3obj-y += hvlog.o hvlpconfig.o lpardata.o setup.o mf.o lpevents.o \
4 hvcall.o proc.o htab.o iommu.o misc.o irq.o 4 hvcall.o proc.o htab.o iommu.o misc.o irq.o
5obj-$(CONFIG_PCI) += pci.o vpdinfo.o 5obj-$(CONFIG_PCI) += pci.o vpdinfo.o
6obj-$(CONFIG_IBMVIO) += vio.o
7obj-$(CONFIG_SMP) += smp.o 6obj-$(CONFIG_SMP) += smp.o
8obj-$(CONFIG_VIOPATH) += viopath.o 7obj-$(CONFIG_VIOPATH) += viopath.o
9obj-$(CONFIG_MODULES) += ksyms.o 8obj-$(CONFIG_MODULES) += ksyms.o
diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c
index bea0b703f409..a8d96314c982 100644
--- a/arch/powerpc/platforms/iseries/iommu.c
+++ b/arch/powerpc/platforms/iseries/iommu.c
@@ -33,8 +33,7 @@
33#include <asm/abs_addr.h> 33#include <asm/abs_addr.h>
34#include <asm/pci-bridge.h> 34#include <asm/pci-bridge.h>
35#include <asm/iseries/hv_call_xm.h> 35#include <asm/iseries/hv_call_xm.h>
36 36#include <asm/iseries/iommu.h>
37#include "iommu.h"
38 37
39extern struct list_head iSeries_Global_Device_List; 38extern struct list_head iSeries_Global_Device_List;
40 39
diff --git a/arch/powerpc/platforms/iseries/iommu.h b/arch/powerpc/platforms/iseries/iommu.h
deleted file mode 100644
index cb5658fbe657..000000000000
--- a/arch/powerpc/platforms/iseries/iommu.h
+++ /dev/null
@@ -1,35 +0,0 @@
1#ifndef _PLATFORMS_ISERIES_IOMMU_H
2#define _PLATFORMS_ISERIES_IOMMU_H
3
4/*
5 * Copyright (C) 2005 Stephen Rothwell, IBM Corporation
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the:
19 * Free Software Foundation, Inc.,
20 * 59 Temple Place, Suite 330,
21 * Boston, MA 02111-1307 USA
22 */
23
24struct device_node;
25struct iommu_table;
26
27/* Creates table for an individual device node */
28extern void iommu_devnode_init_iSeries(struct device_node *dn);
29
30/* Get table parameters from HV */
31extern void iommu_table_getparms_iSeries(unsigned long busno,
32 unsigned char slotno, unsigned char virtbus,
33 struct iommu_table *tbl);
34
35#endif /* _PLATFORMS_ISERIES_IOMMU_H */
diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index 5a61c6fdb33a..428ffb5cf044 100644
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -37,13 +37,13 @@
37 37
38#include <asm/iseries/hv_call_xm.h> 38#include <asm/iseries/hv_call_xm.h>
39#include <asm/iseries/mf.h> 39#include <asm/iseries/mf.h>
40#include <asm/iseries/iommu.h>
40 41
41#include <asm/ppc-pci.h> 42#include <asm/ppc-pci.h>
42 43
43#include "irq.h" 44#include "irq.h"
44#include "pci.h" 45#include "pci.h"
45#include "call_pci.h" 46#include "call_pci.h"
46#include "iommu.h"
47 47
48/* 48/*
49 * Forward declares of prototypes. 49 * Forward declares of prototypes.
diff --git a/arch/powerpc/platforms/iseries/vio.c b/arch/powerpc/platforms/iseries/vio.c
deleted file mode 100644
index bdd2b7d97d15..000000000000
--- a/arch/powerpc/platforms/iseries/vio.c
+++ /dev/null
@@ -1,67 +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
27struct device *iSeries_vio_dev = &vio_bus_device.dev;
28EXPORT_SYMBOL(iSeries_vio_dev);
29
30static struct iommu_table veth_iommu_table;
31static struct iommu_table vio_iommu_table;
32
33static 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
46static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
47{
48 if (strcmp(dev->type, "vlan") == 0)
49 return &veth_iommu_table;
50 return &vio_iommu_table;
51}
52
53static struct vio_bus_ops vio_bus_ops_iseries = {
54 .build_iommu_table = vio_build_iommu_table,
55};
56
57/**
58 * vio_bus_init_iseries: - Initialize the iSeries virtual IO bus
59 */
60static int __init vio_bus_init_iseries(void)
61{
62 iommu_vio_init();
63 vio_bus_device.iommu_table = &vio_iommu_table;
64 iSeries_vio_dev = &vio_bus_device.dev;
65 return vio_bus_init(&vio_bus_ops_iseries);
66}
67__initcall(vio_bus_init_iseries);
diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile
index 930898635c9f..b46ce3b9bb3c 100644
--- a/arch/powerpc/platforms/pseries/Makefile
+++ b/arch/powerpc/platforms/pseries/Makefile
@@ -2,7 +2,6 @@ obj-y := pci.o lpar.o hvCall.o nvram.o reconfig.o \
2 setup.o iommu.o ras.o rtasd.o pci_dlpar.o \ 2 setup.o iommu.o ras.o rtasd.o pci_dlpar.o \
3 firmware.o 3 firmware.o
4obj-$(CONFIG_SMP) += smp.o 4obj-$(CONFIG_SMP) += smp.o
5obj-$(CONFIG_IBMVIO) += vio.o
6obj-$(CONFIG_XICS) += xics.o 5obj-$(CONFIG_XICS) += xics.o
7obj-$(CONFIG_SCANLOG) += scanlog.o 6obj-$(CONFIG_SCANLOG) += scanlog.o
8obj-$(CONFIG_EEH) += eeh.o eeh_cache.o eeh_driver.o eeh_event.o 7obj-$(CONFIG_EEH) += eeh.o eeh_cache.o eeh_driver.o eeh_event.o
diff --git a/arch/powerpc/platforms/pseries/vio.c b/arch/powerpc/platforms/pseries/vio.c
deleted file mode 100644
index d2891661d87b..000000000000
--- a/arch/powerpc/platforms/pseries/vio.c
+++ /dev/null
@@ -1,133 +0,0 @@
1/*
2 * IBM PowerPC pSeries Virtual I/O Infrastructure Support.
3 *
4 * Copyright (c) 2003-2005 IBM Corp.
5 * Dave Engebretsen engebret@us.ibm.com
6 * Santiago Leon santil@us.ibm.com
7 * Hollis Blanchard <hollisb@us.ibm.com>
8 * Stephen Rothwell
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version
13 * 2 of the License, or (at your option) any later version.
14 */
15
16#include <linux/init.h>
17#include <linux/module.h>
18#include <linux/mm.h>
19#include <linux/kobject.h>
20#include <asm/iommu.h>
21#include <asm/dma.h>
22#include <asm/prom.h>
23#include <asm/vio.h>
24#include <asm/hvcall.h>
25#include <asm/tce.h>
26
27extern struct subsystem devices_subsys; /* needed for vio_find_name() */
28
29/**
30 * vio_build_iommu_table: - gets the dma information from OF and
31 * builds the TCE tree.
32 * @dev: the virtual device.
33 *
34 * Returns a pointer to the built tce tree, or NULL if it can't
35 * find property.
36*/
37static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
38{
39 unsigned int *dma_window;
40 struct iommu_table *newTceTable;
41 unsigned long offset;
42 int dma_window_property_size;
43
44 dma_window = (unsigned int *) get_property(dev->dev.platform_data, "ibm,my-dma-window", &dma_window_property_size);
45 if(!dma_window) {
46 return NULL;
47 }
48
49 newTceTable = (struct iommu_table *) kmalloc(sizeof(struct iommu_table), GFP_KERNEL);
50
51 /* There should be some code to extract the phys-encoded offset
52 using prom_n_addr_cells(). However, according to a comment
53 on earlier versions, it's always zero, so we don't bother */
54 offset = dma_window[1] >> PAGE_SHIFT;
55
56 /* TCE table size - measured in tce entries */
57 newTceTable->it_size = dma_window[4] >> PAGE_SHIFT;
58 /* offset for VIO should always be 0 */
59 newTceTable->it_offset = offset;
60 newTceTable->it_busno = 0;
61 newTceTable->it_index = (unsigned long)dma_window[0];
62 newTceTable->it_type = TCE_VB;
63
64 return iommu_init_table(newTceTable);
65}
66
67static struct vio_bus_ops vio_bus_ops_pseries = {
68 .build_iommu_table = vio_build_iommu_table,
69};
70
71/**
72 * vio_bus_init_pseries: - Initialize the pSeries virtual IO bus
73 */
74static int __init vio_bus_init_pseries(void)
75{
76 return vio_bus_init(&vio_bus_ops_pseries);
77}
78
79__initcall(vio_bus_init_pseries);
80
81/* vio_find_name() - internal because only vio.c knows how we formatted the
82 * kobject name
83 * XXX once vio_bus_type.devices is actually used as a kset in
84 * drivers/base/bus.c, this function should be removed in favor of
85 * "device_find(kobj_name, &vio_bus_type)"
86 */
87static struct vio_dev *vio_find_name(const char *kobj_name)
88{
89 struct kobject *found;
90
91 found = kset_find_obj(&devices_subsys.kset, kobj_name);
92 if (!found)
93 return NULL;
94
95 return to_vio_dev(container_of(found, struct device, kobj));
96}
97
98/**
99 * vio_find_node - find an already-registered vio_dev
100 * @vnode: device_node of the virtual device we're looking for
101 */
102struct vio_dev *vio_find_node(struct device_node *vnode)
103{
104 uint32_t *unit_address;
105 char kobj_name[BUS_ID_SIZE];
106
107 /* construct the kobject name from the device node */
108 unit_address = (uint32_t *)get_property(vnode, "reg", NULL);
109 if (!unit_address)
110 return NULL;
111 snprintf(kobj_name, BUS_ID_SIZE, "%x", *unit_address);
112
113 return vio_find_name(kobj_name);
114}
115EXPORT_SYMBOL(vio_find_node);
116
117int vio_enable_interrupts(struct vio_dev *dev)
118{
119 int rc = h_vio_signal(dev->unit_address, VIO_IRQ_ENABLE);
120 if (rc != H_SUCCESS)
121 printk(KERN_ERR "vio: Error 0x%x enabling interrupts\n", rc);
122 return rc;
123}
124EXPORT_SYMBOL(vio_enable_interrupts);
125
126int vio_disable_interrupts(struct vio_dev *dev)
127{
128 int rc = h_vio_signal(dev->unit_address, VIO_IRQ_DISABLE);
129 if (rc != H_SUCCESS)
130 printk(KERN_ERR "vio: Error 0x%x disabling interrupts\n", rc);
131 return rc;
132}
133EXPORT_SYMBOL(vio_disable_interrupts);