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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] Merged.
# HG changeset patch
# User emellor@xxxxxxxxxxxxxxxxxxxxxx
# Node ID 045bee6e1ebd9c9c4cea8edf921cf33684066782
# Parent 02260f77c03545929cf5b958d4556437a978f4d5
# Parent 349d26c1094ff9aa49237e41368f4d5d2411593d
Merged.
diff -r 02260f77c035 -r 045bee6e1ebd buildconfigs/linux-defconfig_xen0_x86_32
--- a/buildconfigs/linux-defconfig_xen0_x86_32 Tue Mar 21 11:25:23 2006
+++ b/buildconfigs/linux-defconfig_xen0_x86_32 Tue Mar 21 11:26:38 2006
@@ -1328,6 +1328,7 @@
# CONFIG_XEN_TPMDEV_FRONTEND is not set
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_DISABLE_SERIAL=y
+CONFIG_XEN_SYSFS=y
CONFIG_HAVE_ARCH_ALLOC_SKB=y
CONFIG_HAVE_ARCH_DEV_ALLOC_SKB=y
diff -r 02260f77c035 -r 045bee6e1ebd buildconfigs/linux-defconfig_xen0_x86_64
--- a/buildconfigs/linux-defconfig_xen0_x86_64 Tue Mar 21 11:25:23 2006
+++ b/buildconfigs/linux-defconfig_xen0_x86_64 Tue Mar 21 11:26:38 2006
@@ -1253,6 +1253,7 @@
# CONFIG_XEN_TPMDEV_FRONTEND is not set
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_DISABLE_SERIAL=y
+CONFIG_XEN_SYSFS=y
CONFIG_HAVE_ARCH_ALLOC_SKB=y
CONFIG_HAVE_ARCH_DEV_ALLOC_SKB=y
diff -r 02260f77c035 -r 045bee6e1ebd buildconfigs/linux-defconfig_xenU_x86_32
--- a/buildconfigs/linux-defconfig_xenU_x86_32 Tue Mar 21 11:25:23 2006
+++ b/buildconfigs/linux-defconfig_xenU_x86_32 Tue Mar 21 11:26:38 2006
@@ -868,6 +868,7 @@
# CONFIG_XEN_TPMDEV_FRONTEND is not set
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_DISABLE_SERIAL=y
+CONFIG_XEN_SYSFS=y
CONFIG_HAVE_ARCH_ALLOC_SKB=y
CONFIG_HAVE_ARCH_DEV_ALLOC_SKB=y
diff -r 02260f77c035 -r 045bee6e1ebd buildconfigs/linux-defconfig_xenU_x86_64
--- a/buildconfigs/linux-defconfig_xenU_x86_64 Tue Mar 21 11:25:23 2006
+++ b/buildconfigs/linux-defconfig_xenU_x86_64 Tue Mar 21 11:26:38 2006
@@ -1144,6 +1144,7 @@
# CONFIG_XEN_TPMDEV_FRONTEND is not set
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_DISABLE_SERIAL=y
+CONFIG_XEN_SYSFS=y
CONFIG_HAVE_ARCH_ALLOC_SKB=y
CONFIG_HAVE_ARCH_DEV_ALLOC_SKB=y
diff -r 02260f77c035 -r 045bee6e1ebd buildconfigs/linux-defconfig_xen_x86_32
--- a/buildconfigs/linux-defconfig_xen_x86_32 Tue Mar 21 11:25:23 2006
+++ b/buildconfigs/linux-defconfig_xen_x86_32 Tue Mar 21 11:26:38 2006
@@ -2994,6 +2994,7 @@
# CONFIG_XEN_TPMDEV_FRONTEND is not set
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_DISABLE_SERIAL=y
+CONFIG_XEN_SYSFS=m
CONFIG_HAVE_ARCH_ALLOC_SKB=y
CONFIG_HAVE_ARCH_DEV_ALLOC_SKB=y
diff -r 02260f77c035 -r 045bee6e1ebd buildconfigs/linux-defconfig_xen_x86_64
--- a/buildconfigs/linux-defconfig_xen_x86_64 Tue Mar 21 11:25:23 2006
+++ b/buildconfigs/linux-defconfig_xen_x86_64 Tue Mar 21 11:26:38 2006
@@ -2665,6 +2665,7 @@
# CONFIG_XEN_TPMDEV_FRONTEND is not set
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_DISABLE_SERIAL=y
+CONFIG_XEN_SYSFS=m
CONFIG_HAVE_ARCH_ALLOC_SKB=y
CONFIG_HAVE_ARCH_DEV_ALLOC_SKB=y
diff -r 02260f77c035 -r 045bee6e1ebd linux-2.6-xen-sparse/drivers/xen/Kconfig
--- a/linux-2.6-xen-sparse/drivers/xen/Kconfig Tue Mar 21 11:25:23 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/Kconfig Tue Mar 21 11:26:38 2006
@@ -189,6 +189,14 @@
Disable serial port drivers, allowing the Xen console driver
to provide a serial console at ttyS0.
+config XEN_SYSFS
+ tristate "Export Xen attributes in sysfs"
+ depends on XEN
+ depends on SYSFS
+ default y
+ help
+ Xen hypervisor attributes will show up under /sys/hypervisor/.
+
endmenu
config HAVE_ARCH_ALLOC_SKB
diff -r 02260f77c035 -r 045bee6e1ebd
linux-2.6-xen-sparse/drivers/xen/core/Makefile
--- a/linux-2.6-xen-sparse/drivers/xen/core/Makefile Tue Mar 21 11:25:23 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/core/Makefile Tue Mar 21 11:26:38 2006
@@ -7,3 +7,5 @@
obj-$(CONFIG_PROC_FS) += xen_proc.o
obj-$(CONFIG_NET) += skbuff.o
obj-$(CONFIG_SMP) += smpboot.o
+obj-$(CONFIG_SYSFS) += hypervisor_sysfs.o
+obj-$(CONFIG_XEN_SYSFS) += xen_sysfs.o
diff -r 02260f77c035 -r 045bee6e1ebd
linux-2.6-xen-sparse/drivers/xen/core/hypervisor_sysfs.c
--- /dev/null Tue Mar 21 11:25:23 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/core/hypervisor_sysfs.c Tue Mar 21
11:26:38 2006
@@ -0,0 +1,57 @@
+/*
+ * copyright (c) 2006 IBM Corporation
+ * Authored by: Mike D. Day <ncmike@xxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/kobject.h>
+#include <xen/hypervisor_sysfs.h>
+
+decl_subsys(hypervisor, NULL, NULL);
+
+static ssize_t hyp_sysfs_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buffer)
+{
+ struct hyp_sysfs_attr *hyp_attr;
+ hyp_attr = container_of(attr, struct hyp_sysfs_attr, attr);
+ if (hyp_attr->show)
+ return hyp_attr->show(hyp_attr, buffer);
+ return 0;
+}
+
+static ssize_t hyp_sysfs_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t len)
+{
+ struct hyp_sysfs_attr *hyp_attr;
+ hyp_attr = container_of(attr, struct hyp_sysfs_attr, attr);
+ if (hyp_attr->store)
+ return hyp_attr->store(hyp_attr, buffer, len);
+ return 0;
+}
+
+struct sysfs_ops hyp_sysfs_ops = {
+ .show = hyp_sysfs_show,
+ .store = hyp_sysfs_store,
+};
+
+static struct kobj_type hyp_sysfs_kobj_type = {
+ .sysfs_ops = &hyp_sysfs_ops,
+};
+
+static int __init hypervisor_subsys_init(void)
+{
+ hypervisor_subsys.kset.kobj.ktype = &hyp_sysfs_kobj_type;
+ return subsystem_register(&hypervisor_subsys);
+}
+
+device_initcall(hypervisor_subsys_init);
+EXPORT_SYMBOL_GPL(hypervisor_subsys);
diff -r 02260f77c035 -r 045bee6e1ebd
linux-2.6-xen-sparse/drivers/xen/core/xen_sysfs.c
--- /dev/null Tue Mar 21 11:25:23 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/core/xen_sysfs.c Tue Mar 21 11:26:38 2006
@@ -0,0 +1,310 @@
+/*
+ * copyright (c) 2006 IBM Corporation
+ * Authored by: Mike D. Day <ncmike@xxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <asm/hypervisor.h>
+#include <xen/hypervisor_sysfs.h>
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mike D. Day <ncmike@xxxxxxxxxx>");
+
+static ssize_t type_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+ return sprintf(buffer, "xen\n");
+}
+
+HYPERVISOR_ATTR_RO(type);
+
+static int __init xen_sysfs_type_init(void)
+{
+ return sysfs_create_file(&hypervisor_subsys.kset.kobj, &type_attr.attr);
+}
+
+static void xen_sysfs_type_destroy(void)
+{
+ sysfs_remove_file(&hypervisor_subsys.kset.kobj, &type_attr.attr);
+}
+
+/* xen version attributes */
+static ssize_t major_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+ int version = HYPERVISOR_xen_version(XENVER_version, NULL);
+ if (version)
+ return sprintf(buffer, "%d\n", version >> 16);
+ return -ENODEV;
+}
+
+HYPERVISOR_ATTR_RO(major);
+
+static ssize_t minor_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+ int version = HYPERVISOR_xen_version(XENVER_version, NULL);
+ if (version)
+ return sprintf(buffer, "%d\n", version & 0xff);
+ return -ENODEV;
+}
+
+HYPERVISOR_ATTR_RO(minor);
+
+static ssize_t extra_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+ int ret;
+ char *extra = kmalloc(XEN_EXTRAVERSION_LEN, GFP_KERNEL);
+ if (extra) {
+ ret = HYPERVISOR_xen_version(XENVER_extraversion, extra);
+ if (!ret)
+ return sprintf(buffer, "%s\n", extra);
+ kfree(extra);
+ } else
+ ret = -ENOMEM;
+ return ret;
+}
+
+HYPERVISOR_ATTR_RO(extra);
+
+static struct attribute *version_attrs[] = {
+ &major_attr.attr,
+ &minor_attr.attr,
+ &extra_attr.attr,
+ NULL
+};
+
+static struct attribute_group version_group = {
+ .name = "version",
+ .attrs = version_attrs,
+};
+
+static int __init xen_sysfs_version_init(void)
+{
+ return sysfs_create_group(&hypervisor_subsys.kset.kobj, &version_group);
+}
+
+static void xen_sysfs_version_destroy(void)
+{
+ sysfs_remove_group(&hypervisor_subsys.kset.kobj, &version_group);
+}
+
+/* xen compilation attributes */
+
+static ssize_t compiler_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+ int ret;
+ struct xen_compile_info *info =
+ kmalloc(sizeof(struct xen_compile_info), GFP_KERNEL);
+ if (info) {
+ ret = HYPERVISOR_xen_version(XENVER_compile_info, info);
+ if (!ret)
+ ret = sprintf(buffer, "%s\n", info->compiler);
+ kfree(info);
+ } else
+ ret = -ENOMEM;
+
+ return ret;
+}
+
+HYPERVISOR_ATTR_RO(compiler);
+
+static ssize_t compiled_by_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+ int ret;
+ struct xen_compile_info *info;
+
+ info = kmalloc(sizeof(struct xen_compile_info), GFP_KERNEL);
+ if (info) {
+ ret = HYPERVISOR_xen_version(XENVER_compile_info, info);
+ if (!ret)
+ ret = sprintf(buffer, "%s\n", info->compile_by);
+ kfree(info);
+ } else
+ ret = -ENOMEM;
+ return ret;
+}
+
+HYPERVISOR_ATTR_RO(compiled_by);
+
+static ssize_t compile_date_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+ int ret;
+ struct xen_compile_info *info;
+
+ info = kmalloc(sizeof(struct xen_compile_info), GFP_KERNEL);
+ if (info) {
+ ret = HYPERVISOR_xen_version(XENVER_compile_info, info);
+ if (!ret)
+ ret = sprintf(buffer, "%s\n", info->compile_date);
+ kfree(info);
+ } else
+ ret = -ENOMEM;
+ return ret;
+}
+
+HYPERVISOR_ATTR_RO(compile_date);
+
+static struct attribute *xen_compile_attrs[] = {
+ &compiler_attr.attr,
+ &compiled_by_attr.attr,
+ &compile_date_attr.attr,
+ NULL
+};
+
+static struct attribute_group xen_compilation_group = {
+ .name = "compilation",
+ .attrs = xen_compile_attrs,
+};
+
+int __init static xen_compilation_init(void)
+{
+ return sysfs_create_group(&hypervisor_subsys.kset.kobj,
+ &xen_compilation_group);
+}
+
+static void xen_compilation_destroy(void)
+{
+ sysfs_remove_group(&hypervisor_subsys.kset.kobj,
+ &xen_compilation_group);
+}
+
+/* xen properties info */
+
+static ssize_t capabilities_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+ int ret;
+ char *caps = kmalloc(XEN_CAPABILITIES_INFO_LEN, GFP_KERNEL);
+ if (caps) {
+ ret = HYPERVISOR_xen_version(XENVER_capabilities, caps);
+ if (!ret)
+ ret = sprintf(buffer, "%s\n", caps);
+ kfree(caps);
+ } else
+ ret = -ENOMEM;
+ return ret;
+}
+
+HYPERVISOR_ATTR_RO(capabilities);
+
+static ssize_t changeset_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+ int ret;
+ char *cset = kmalloc(XEN_CHANGESET_INFO_LEN, GFP_KERNEL);
+ if (cset) {
+ ret = HYPERVISOR_xen_version(XENVER_changeset, cset);
+ if (!ret)
+ ret = sprintf(buffer, "%s\n", cset);
+ kfree(cset);
+ } else
+ ret = -ENOMEM;
+ return ret;
+}
+
+HYPERVISOR_ATTR_RO(changeset);
+
+static ssize_t virtual_start_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+ int ret;
+ struct xen_platform_parameters *parms =
+ kmalloc(sizeof(struct xen_platform_parameters), GFP_KERNEL);
+ if (parms) {
+ ret = HYPERVISOR_xen_version(XENVER_platform_parameters, parms);
+ if (!ret)
+ ret = sprintf(buffer, "%lx\n", parms->virt_start);
+ kfree(parms);
+ } else
+ ret = -ENOMEM;
+ return ret;
+}
+
+HYPERVISOR_ATTR_RO(virtual_start);
+
+/* eventually there will be several more features to export */
+static ssize_t xen_feature_show(int index, char *buffer)
+{
+ int ret;
+
+ struct xen_feature_info *info =
+ kmalloc(sizeof(struct xen_feature_info), GFP_KERNEL);
+ if (info) {
+ info->submap_idx = index;
+ ret = HYPERVISOR_xen_version(XENVER_get_features, info);
+ if (!ret)
+ ret = sprintf(buffer, "%d\n", info->submap);
+ kfree(info);
+ } else
+ ret = -ENOMEM;
+ return ret;
+}
+
+static ssize_t writable_pt_show(struct hyp_sysfs_attr *attr, char *buffer)
+{
+ return xen_feature_show(XENFEAT_writable_page_tables, buffer);
+}
+
+HYPERVISOR_ATTR_RO(writable_pt);
+
+static struct attribute *xen_properties_attrs[] = {
+ &capabilities_attr.attr,
+ &changeset_attr.attr,
+ &virtual_start_attr.attr,
+ &writable_pt_attr.attr,
+ NULL
+};
+
+static struct attribute_group xen_properties_group = {
+ .name = "properties",
+ .attrs = xen_properties_attrs,
+};
+
+static int __init xen_properties_init(void)
+{
+ return sysfs_create_group(&hypervisor_subsys.kset.kobj,
+ &xen_properties_group);
+}
+
+static void xen_properties_destroy(void)
+{
+ sysfs_remove_group(&hypervisor_subsys.kset.kobj, &xen_properties_group);
+}
+
+static int __init hyper_sysfs_init(void)
+{
+ int ret = xen_sysfs_type_init();
+ if (ret)
+ goto out;
+ ret = xen_sysfs_version_init();
+ if (ret)
+ goto version_out;
+ ret = xen_compilation_init();
+ if (ret)
+ goto comp_out;
+ ret = xen_properties_init();
+ if (!ret)
+ goto out;
+
+ xen_compilation_destroy();
+comp_out:
+ xen_sysfs_version_destroy();
+version_out:
+ xen_sysfs_type_destroy();
+out:
+ return ret;
+}
+
+static void hyper_sysfs_exit(void)
+{
+ xen_properties_destroy();
+ xen_compilation_destroy();
+ xen_sysfs_version_destroy();
+ xen_sysfs_type_destroy();
+
+}
+
+module_init(hyper_sysfs_init);
+module_exit(hyper_sysfs_exit);
diff -r 02260f77c035 -r 045bee6e1ebd
linux-2.6-xen-sparse/include/xen/hypervisor_sysfs.h
--- /dev/null Tue Mar 21 11:25:23 2006
+++ b/linux-2.6-xen-sparse/include/xen/hypervisor_sysfs.h Tue Mar 21
11:26:38 2006
@@ -0,0 +1,32 @@
+/*
+ * copyright (c) 2006 IBM Corporation
+ * Authored by: Mike D. Day <ncmike@xxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _HYP_SYSFS_H_
+#define _HYP_SYSFS_H_
+
+#include <linux/kobject.h>
+#include <linux/sysfs.h>
+
+#define HYPERVISOR_ATTR_RO(_name) \
+static struct hyp_sysfs_attr _name##_attr = __ATTR_RO(_name)
+
+#define HYPERVISOR_ATTR_RW(_name) \
+static struct hyp_sysfs_attr _name##_attr = \
+ __ATTR(_name, 0644, _name##_show, _name##_store)
+
+extern struct subsystem hypervisor_subsys;
+
+struct hyp_sysfs_attr {
+ struct attribute attr;
+ ssize_t (*show)(struct hyp_sysfs_attr *, char *);
+ ssize_t (*store)(struct hyp_sysfs_attr *, const char *, size_t);
+ void *hyp_attr_data;
+};
+
+#endif /* _HYP_SYSFS_H_ */
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