[PATCH 1/10] powerpc: Merge arch/ppc64/kernel/vio.c into arch/powerpc/sysdev/vio.c
Michael Ellerman
michael at ellerman.id.au
Thu Oct 13 18:42:07 EST 2005
Merge arch/ppc64/kernel/vio.c into arch/powerpc/sysdev/vio.c, update the
Makefiles to make it work, and make ARCH=ppc64 still work.
Signed-off-by: Michael Ellerman <michael at ellerman.id.au>
---
arch/powerpc/sysdev/Makefile | 3
arch/powerpc/sysdev/vio.c | 261 +++++++++++++++++++++++++++++++++++++++++++
arch/ppc64/Makefile | 1
arch/ppc64/kernel/Makefile | 2
arch/ppc64/kernel/vio.c | 261 -------------------------------------------
5 files changed, 265 insertions(+), 263 deletions(-)
Index: kexec/arch/powerpc/sysdev/Makefile
===================================================================
--- kexec.orig/arch/powerpc/sysdev/Makefile
+++ kexec/arch/powerpc/sysdev/Makefile
@@ -1,3 +1,6 @@
+ifeq ($(CONFIG_PPC_MERGE),y)
obj-$(CONFIG_MPIC) += mpic.o
indirectpci-$(CONFIG_PPC_PMAC) = indirect_pci.o
obj-$(CONFIG_PPC32) += $(indirectpci-y)
+endif
+obj-$(CONFIG_IBMVIO) += vio.o
Index: kexec/arch/powerpc/sysdev/vio.c
===================================================================
--- /dev/null
+++ kexec/arch/powerpc/sysdev/vio.c
@@ -0,0 +1,261 @@
+/*
+ * IBM PowerPC Virtual I/O Infrastructure Support.
+ *
+ * Copyright (c) 2003-2005 IBM Corp.
+ * Dave Engebretsen engebret at us.ibm.com
+ * Santiago Leon santil at us.ibm.com
+ * Hollis Blanchard <hollisb at us.ibm.com>
+ * Stephen Rothwell
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/console.h>
+#include <linux/module.h>
+#include <linux/mm.h>
+#include <linux/dma-mapping.h>
+#include <asm/iommu.h>
+#include <asm/dma.h>
+#include <asm/vio.h>
+
+static const struct vio_device_id *vio_match_device(
+ const struct vio_device_id *, const struct vio_dev *);
+
+struct vio_dev vio_bus_device = { /* fake "parent" device */
+ .name = vio_bus_device.dev.bus_id,
+ .type = "",
+ .dev.bus_id = "vio",
+ .dev.bus = &vio_bus_type,
+};
+
+static struct vio_bus_ops vio_bus_ops;
+
+/*
+ * Convert from struct device to struct vio_dev and pass to driver.
+ * dev->driver has already been set by generic code because vio_bus_match
+ * succeeded.
+ */
+static int vio_bus_probe(struct device *dev)
+{
+ struct vio_dev *viodev = to_vio_dev(dev);
+ struct vio_driver *viodrv = to_vio_driver(dev->driver);
+ const struct vio_device_id *id;
+ int error = -ENODEV;
+
+ if (!viodrv->probe)
+ return error;
+
+ id = vio_match_device(viodrv->id_table, viodev);
+ if (id)
+ error = viodrv->probe(viodev, id);
+
+ return error;
+}
+
+/* convert from struct device to struct vio_dev and pass to driver. */
+static int vio_bus_remove(struct device *dev)
+{
+ struct vio_dev *viodev = to_vio_dev(dev);
+ struct vio_driver *viodrv = to_vio_driver(dev->driver);
+
+ if (viodrv->remove)
+ return viodrv->remove(viodev);
+
+ /* driver can't remove */
+ return 1;
+}
+
+/**
+ * vio_register_driver: - Register a new vio driver
+ * @drv: The vio_driver structure to be registered.
+ */
+int vio_register_driver(struct vio_driver *viodrv)
+{
+ printk(KERN_DEBUG "%s: driver %s registering\n", __FUNCTION__,
+ viodrv->name);
+
+ /* fill in 'struct driver' fields */
+ viodrv->driver.name = viodrv->name;
+ viodrv->driver.bus = &vio_bus_type;
+ viodrv->driver.probe = vio_bus_probe;
+ viodrv->driver.remove = vio_bus_remove;
+
+ return driver_register(&viodrv->driver);
+}
+EXPORT_SYMBOL(vio_register_driver);
+
+/**
+ * vio_unregister_driver - Remove registration of vio driver.
+ * @driver: The vio_driver struct to be removed form registration
+ */
+void vio_unregister_driver(struct vio_driver *viodrv)
+{
+ driver_unregister(&viodrv->driver);
+}
+EXPORT_SYMBOL(vio_unregister_driver);
+
+/**
+ * vio_match_device: - Tell if a VIO device has a matching
+ * VIO device id structure.
+ * @ids: array of VIO device id structures to search in
+ * @dev: the VIO device structure to match against
+ *
+ * Used by a driver to check whether a VIO device present in the
+ * system is in its list of supported devices. Returns the matching
+ * vio_device_id structure or NULL if there is no match.
+ */
+static const struct vio_device_id *vio_match_device(
+ const struct vio_device_id *ids, const struct vio_dev *dev)
+{
+ while (ids->type[0] != '\0') {
+ if (vio_bus_ops.match(ids, dev))
+ return ids;
+ ids++;
+ }
+ return NULL;
+}
+
+/**
+ * vio_bus_init: - Initialize the virtual IO bus
+ */
+int __init vio_bus_init(struct vio_bus_ops *ops)
+{
+ int err;
+
+ vio_bus_ops = *ops;
+
+ err = bus_register(&vio_bus_type);
+ if (err) {
+ printk(KERN_ERR "failed to register VIO bus\n");
+ return err;
+ }
+
+ /*
+ * The fake parent of all vio devices, just to give us
+ * a nice directory
+ */
+ err = device_register(&vio_bus_device.dev);
+ if (err) {
+ printk(KERN_WARNING "%s: device_register returned %i\n",
+ __FUNCTION__, err);
+ return err;
+ }
+
+ return 0;
+}
+
+/* vio_dev refcount hit 0 */
+static void __devinit vio_dev_release(struct device *dev)
+{
+ if (vio_bus_ops.release_device)
+ vio_bus_ops.release_device(dev);
+ kfree(to_vio_dev(dev));
+}
+
+static ssize_t viodev_show_name(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%s\n", to_vio_dev(dev)->name);
+}
+DEVICE_ATTR(name, S_IRUSR | S_IRGRP | S_IROTH, viodev_show_name, NULL);
+
+struct vio_dev * __devinit vio_register_device(struct vio_dev *viodev)
+{
+ /* init generic 'struct device' fields: */
+ viodev->dev.parent = &vio_bus_device.dev;
+ viodev->dev.bus = &vio_bus_type;
+ viodev->dev.release = vio_dev_release;
+
+ /* register with generic device framework */
+ if (device_register(&viodev->dev)) {
+ printk(KERN_ERR "%s: failed to register device %s\n",
+ __FUNCTION__, viodev->dev.bus_id);
+ return NULL;
+ }
+ device_create_file(&viodev->dev, &dev_attr_name);
+
+ return viodev;
+}
+
+void __devinit vio_unregister_device(struct vio_dev *viodev)
+{
+ if (vio_bus_ops.unregister_device)
+ vio_bus_ops.unregister_device(viodev);
+ device_remove_file(&viodev->dev, &dev_attr_name);
+ device_unregister(&viodev->dev);
+}
+EXPORT_SYMBOL(vio_unregister_device);
+
+static dma_addr_t vio_map_single(struct device *dev, void *vaddr,
+ size_t size, enum dma_data_direction direction)
+{
+ return iommu_map_single(to_vio_dev(dev)->iommu_table, vaddr, size,
+ direction);
+}
+
+static void vio_unmap_single(struct device *dev, dma_addr_t dma_handle,
+ size_t size, enum dma_data_direction direction)
+{
+ iommu_unmap_single(to_vio_dev(dev)->iommu_table, dma_handle, size,
+ direction);
+}
+
+static int vio_map_sg(struct device *dev, struct scatterlist *sglist,
+ int nelems, enum dma_data_direction direction)
+{
+ return iommu_map_sg(dev, to_vio_dev(dev)->iommu_table, sglist,
+ nelems, direction);
+}
+
+static void vio_unmap_sg(struct device *dev, struct scatterlist *sglist,
+ int nelems, enum dma_data_direction direction)
+{
+ iommu_unmap_sg(to_vio_dev(dev)->iommu_table, sglist, nelems, direction);
+}
+
+static void *vio_alloc_coherent(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, gfp_t flag)
+{
+ return iommu_alloc_coherent(to_vio_dev(dev)->iommu_table, size,
+ dma_handle, flag);
+}
+
+static void vio_free_coherent(struct device *dev, size_t size,
+ void *vaddr, dma_addr_t dma_handle)
+{
+ iommu_free_coherent(to_vio_dev(dev)->iommu_table, size, vaddr,
+ dma_handle);
+}
+
+static int vio_dma_supported(struct device *dev, u64 mask)
+{
+ return 1;
+}
+
+struct dma_mapping_ops vio_dma_ops = {
+ .alloc_coherent = vio_alloc_coherent,
+ .free_coherent = vio_free_coherent,
+ .map_single = vio_map_single,
+ .unmap_single = vio_unmap_single,
+ .map_sg = vio_map_sg,
+ .unmap_sg = vio_unmap_sg,
+ .dma_supported = vio_dma_supported,
+};
+
+static int vio_bus_match(struct device *dev, struct device_driver *drv)
+{
+ const struct vio_dev *vio_dev = to_vio_dev(dev);
+ struct vio_driver *vio_drv = to_vio_driver(drv);
+ const struct vio_device_id *ids = vio_drv->id_table;
+
+ return (ids != NULL) && (vio_match_device(ids, vio_dev) != NULL);
+}
+
+struct bus_type vio_bus_type = {
+ .name = "vio",
+ .match = vio_bus_match,
+};
Index: kexec/arch/ppc64/kernel/Makefile
===================================================================
--- kexec.orig/arch/ppc64/kernel/Makefile
+++ kexec/arch/ppc64/kernel/Makefile
@@ -43,7 +43,6 @@ obj-$(CONFIG_HVC_CONSOLE) += hvconsole.o
obj-$(CONFIG_BOOTX_TEXT) += btext.o
obj-$(CONFIG_HVCS) += hvcserver.o
-obj-$(CONFIG_IBMVIO) += vio.o $(vio-obj-y)
obj-$(CONFIG_XICS) += xics.o
obj-$(CONFIG_MPIC) += mpic.o
@@ -107,7 +106,6 @@ obj-$(CONFIG_LPARCFG) += lparcfg.o
obj-$(CONFIG_HVC_CONSOLE) += hvconsole.o
obj-$(CONFIG_HVCS) += hvcserver.o
-obj-$(CONFIG_IBMVIO) += vio.o
obj-$(CONFIG_XICS) += xics.o
obj-$(CONFIG_PPC_MAPLE) += maple_setup.o maple_pci.o maple_time.o \
Index: kexec/arch/ppc64/kernel/vio.c
===================================================================
--- kexec.orig/arch/ppc64/kernel/vio.c
+++ /dev/null
@@ -1,261 +0,0 @@
-/*
- * IBM PowerPC Virtual I/O Infrastructure Support.
- *
- * Copyright (c) 2003-2005 IBM Corp.
- * Dave Engebretsen engebret at us.ibm.com
- * Santiago Leon santil at us.ibm.com
- * Hollis Blanchard <hollisb at us.ibm.com>
- * Stephen Rothwell
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/init.h>
-#include <linux/console.h>
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/dma-mapping.h>
-#include <asm/iommu.h>
-#include <asm/dma.h>
-#include <asm/vio.h>
-
-static const struct vio_device_id *vio_match_device(
- const struct vio_device_id *, const struct vio_dev *);
-
-struct vio_dev vio_bus_device = { /* fake "parent" device */
- .name = vio_bus_device.dev.bus_id,
- .type = "",
- .dev.bus_id = "vio",
- .dev.bus = &vio_bus_type,
-};
-
-static struct vio_bus_ops vio_bus_ops;
-
-/*
- * Convert from struct device to struct vio_dev and pass to driver.
- * dev->driver has already been set by generic code because vio_bus_match
- * succeeded.
- */
-static int vio_bus_probe(struct device *dev)
-{
- struct vio_dev *viodev = to_vio_dev(dev);
- struct vio_driver *viodrv = to_vio_driver(dev->driver);
- const struct vio_device_id *id;
- int error = -ENODEV;
-
- if (!viodrv->probe)
- return error;
-
- id = vio_match_device(viodrv->id_table, viodev);
- if (id)
- error = viodrv->probe(viodev, id);
-
- return error;
-}
-
-/* convert from struct device to struct vio_dev and pass to driver. */
-static int vio_bus_remove(struct device *dev)
-{
- struct vio_dev *viodev = to_vio_dev(dev);
- struct vio_driver *viodrv = to_vio_driver(dev->driver);
-
- if (viodrv->remove)
- return viodrv->remove(viodev);
-
- /* driver can't remove */
- return 1;
-}
-
-/**
- * vio_register_driver: - Register a new vio driver
- * @drv: The vio_driver structure to be registered.
- */
-int vio_register_driver(struct vio_driver *viodrv)
-{
- printk(KERN_DEBUG "%s: driver %s registering\n", __FUNCTION__,
- viodrv->name);
-
- /* fill in 'struct driver' fields */
- viodrv->driver.name = viodrv->name;
- viodrv->driver.bus = &vio_bus_type;
- viodrv->driver.probe = vio_bus_probe;
- viodrv->driver.remove = vio_bus_remove;
-
- return driver_register(&viodrv->driver);
-}
-EXPORT_SYMBOL(vio_register_driver);
-
-/**
- * vio_unregister_driver - Remove registration of vio driver.
- * @driver: The vio_driver struct to be removed form registration
- */
-void vio_unregister_driver(struct vio_driver *viodrv)
-{
- driver_unregister(&viodrv->driver);
-}
-EXPORT_SYMBOL(vio_unregister_driver);
-
-/**
- * vio_match_device: - Tell if a VIO device has a matching
- * VIO device id structure.
- * @ids: array of VIO device id structures to search in
- * @dev: the VIO device structure to match against
- *
- * Used by a driver to check whether a VIO device present in the
- * system is in its list of supported devices. Returns the matching
- * vio_device_id structure or NULL if there is no match.
- */
-static const struct vio_device_id *vio_match_device(
- const struct vio_device_id *ids, const struct vio_dev *dev)
-{
- while (ids->type[0] != '\0') {
- if (vio_bus_ops.match(ids, dev))
- return ids;
- ids++;
- }
- return NULL;
-}
-
-/**
- * vio_bus_init: - Initialize the virtual IO bus
- */
-int __init vio_bus_init(struct vio_bus_ops *ops)
-{
- int err;
-
- vio_bus_ops = *ops;
-
- err = bus_register(&vio_bus_type);
- if (err) {
- printk(KERN_ERR "failed to register VIO bus\n");
- return err;
- }
-
- /*
- * The fake parent of all vio devices, just to give us
- * a nice directory
- */
- err = device_register(&vio_bus_device.dev);
- if (err) {
- printk(KERN_WARNING "%s: device_register returned %i\n",
- __FUNCTION__, err);
- return err;
- }
-
- return 0;
-}
-
-/* vio_dev refcount hit 0 */
-static void __devinit vio_dev_release(struct device *dev)
-{
- if (vio_bus_ops.release_device)
- vio_bus_ops.release_device(dev);
- kfree(to_vio_dev(dev));
-}
-
-static ssize_t viodev_show_name(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "%s\n", to_vio_dev(dev)->name);
-}
-DEVICE_ATTR(name, S_IRUSR | S_IRGRP | S_IROTH, viodev_show_name, NULL);
-
-struct vio_dev * __devinit vio_register_device(struct vio_dev *viodev)
-{
- /* init generic 'struct device' fields: */
- viodev->dev.parent = &vio_bus_device.dev;
- viodev->dev.bus = &vio_bus_type;
- viodev->dev.release = vio_dev_release;
-
- /* register with generic device framework */
- if (device_register(&viodev->dev)) {
- printk(KERN_ERR "%s: failed to register device %s\n",
- __FUNCTION__, viodev->dev.bus_id);
- return NULL;
- }
- device_create_file(&viodev->dev, &dev_attr_name);
-
- return viodev;
-}
-
-void __devinit vio_unregister_device(struct vio_dev *viodev)
-{
- if (vio_bus_ops.unregister_device)
- vio_bus_ops.unregister_device(viodev);
- device_remove_file(&viodev->dev, &dev_attr_name);
- device_unregister(&viodev->dev);
-}
-EXPORT_SYMBOL(vio_unregister_device);
-
-static dma_addr_t vio_map_single(struct device *dev, void *vaddr,
- size_t size, enum dma_data_direction direction)
-{
- return iommu_map_single(to_vio_dev(dev)->iommu_table, vaddr, size,
- direction);
-}
-
-static void vio_unmap_single(struct device *dev, dma_addr_t dma_handle,
- size_t size, enum dma_data_direction direction)
-{
- iommu_unmap_single(to_vio_dev(dev)->iommu_table, dma_handle, size,
- direction);
-}
-
-static int vio_map_sg(struct device *dev, struct scatterlist *sglist,
- int nelems, enum dma_data_direction direction)
-{
- return iommu_map_sg(dev, to_vio_dev(dev)->iommu_table, sglist,
- nelems, direction);
-}
-
-static void vio_unmap_sg(struct device *dev, struct scatterlist *sglist,
- int nelems, enum dma_data_direction direction)
-{
- iommu_unmap_sg(to_vio_dev(dev)->iommu_table, sglist, nelems, direction);
-}
-
-static void *vio_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t flag)
-{
- return iommu_alloc_coherent(to_vio_dev(dev)->iommu_table, size,
- dma_handle, flag);
-}
-
-static void vio_free_coherent(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle)
-{
- iommu_free_coherent(to_vio_dev(dev)->iommu_table, size, vaddr,
- dma_handle);
-}
-
-static int vio_dma_supported(struct device *dev, u64 mask)
-{
- return 1;
-}
-
-struct dma_mapping_ops vio_dma_ops = {
- .alloc_coherent = vio_alloc_coherent,
- .free_coherent = vio_free_coherent,
- .map_single = vio_map_single,
- .unmap_single = vio_unmap_single,
- .map_sg = vio_map_sg,
- .unmap_sg = vio_unmap_sg,
- .dma_supported = vio_dma_supported,
-};
-
-static int vio_bus_match(struct device *dev, struct device_driver *drv)
-{
- const struct vio_dev *vio_dev = to_vio_dev(dev);
- struct vio_driver *vio_drv = to_vio_driver(drv);
- const struct vio_device_id *ids = vio_drv->id_table;
-
- return (ids != NULL) && (vio_match_device(ids, vio_dev) != NULL);
-}
-
-struct bus_type vio_bus_type = {
- .name = "vio",
- .match = vio_bus_match,
-};
Index: kexec/arch/ppc64/Makefile
===================================================================
--- kexec.orig/arch/ppc64/Makefile
+++ kexec/arch/ppc64/Makefile
@@ -85,6 +85,7 @@ libs-y += arch/ppc64/lib/
core-y += arch/ppc64/kernel/ arch/powerpc/kernel/
core-y += arch/powerpc/mm/
core-y += arch/powerpc/platforms/
+core-y += arch/powerpc/sysdev/
core-$(CONFIG_XMON) += arch/ppc64/xmon/
drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/
More information about the Linuxppc64-dev
mailing list