# HG changeset patch
# User Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
# Date 1172485383 0
# Node ID eefbc33a41abf36451ae6c102ba79e8312906909
# Parent a70cf505aef97de5e5acab2bd196e0b6577e9440
# Parent 9f199e1fd9298b450b51fe4e7c0104121f15f11c
Merge
---
tools/libxc/xc_dom_compat_linux.c | 25 ++++++++++++++
tools/libxc/xc_dom_ia64.c | 10 +++++
tools/libxc/xenguest.h | 14 ++++++++
tools/python/xen/lowlevel/xc/xc.c | 54 ++++++++++++++++++++++++++------
tools/python/xen/xend/XendConfig.py | 34 +++++++++++++++++++-
tools/python/xen/xend/XendDomainInfo.py | 22 ++++++++++++-
xen/arch/x86/domain_build.c | 1
xen/common/libelf/libelf-dominfo.c | 7 +++-
xen/include/public/elfnote.h | 5 ++
xen/include/public/libelf.h | 18 ++++++++++
10 files changed, 177 insertions(+), 13 deletions(-)
diff -r a70cf505aef9 -r eefbc33a41ab tools/libxc/xc_dom_compat_linux.c
--- a/tools/libxc/xc_dom_compat_linux.c Mon Feb 26 10:22:38 2007 +0000
+++ b/tools/libxc/xc_dom_compat_linux.c Mon Feb 26 10:23:03 2007 +0000
@@ -122,6 +122,31 @@ int xc_linux_build(int xc_handle, uint32
return rc;
}
+int xc_dom_linux_build(int xc_handle,
+ struct xc_dom_image *dom,
+ uint32_t domid,
+ unsigned int mem_mb,
+ const char *image_name,
+ const char *initrd_name,
+ unsigned long flags,
+ unsigned int store_evtchn,
+ unsigned long *store_mfn,
+ unsigned int console_evtchn, unsigned long *console_mfn)
+{
+ int rc;
+
+ if ( (rc = xc_dom_kernel_file(dom, image_name)) != 0 )
+ return rc;
+ if ( initrd_name && strlen(initrd_name) &&
+ ((rc = xc_dom_ramdisk_file(dom, initrd_name)) != 0) )
+ return rc;
+
+ return xc_linux_build_internal(dom, xc_handle, domid,
+ mem_mb, flags,
+ store_evtchn, store_mfn,
+ console_evtchn, console_mfn);
+}
+
/*
* Local variables:
* mode: C
diff -r a70cf505aef9 -r eefbc33a41ab tools/libxc/xc_dom_ia64.c
--- a/tools/libxc/xc_dom_ia64.c Mon Feb 26 10:22:38 2007 +0000
+++ b/tools/libxc/xc_dom_ia64.c Mon Feb 26 10:23:03 2007 +0000
@@ -113,9 +113,19 @@ static struct xc_dom_arch xc_dom_arch =
.vcpu = vcpu_ia64,
};
+static struct xc_dom_arch xc_dom_arch_ia64be = {
+ .guest_type = "xen-3.0-ia64be",
+ .page_shift = PAGE_SHIFT_IA64,
+ .alloc_magic_pages = alloc_magic_pages,
+ .start_info = start_info_ia64,
+ .shared_info = shared_info_ia64,
+ .vcpu = vcpu_ia64,
+};
+
static void __init register_arch_hooks(void)
{
xc_dom_register_arch_hooks(&xc_dom_arch);
+ xc_dom_register_arch_hooks(&xc_dom_arch_ia64be);
}
/*
diff -r a70cf505aef9 -r eefbc33a41ab tools/libxc/xenguest.h
--- a/tools/libxc/xenguest.h Mon Feb 26 10:22:38 2007 +0000
+++ b/tools/libxc/xenguest.h Mon Feb 26 10:23:03 2007 +0000
@@ -91,6 +91,20 @@ int xc_linux_build(int xc_handle,
unsigned int console_evtchn,
unsigned long *console_mfn);
+/** The same interface, but the dom structure is managed by the caller */
+struct xc_dom_image;
+int xc_dom_linux_build(int xc_handle,
+ struct xc_dom_image *dom,
+ uint32_t domid,
+ unsigned int mem_mb,
+ const char *image_name,
+ const char *ramdisk_name,
+ unsigned long flags,
+ unsigned int store_evtchn,
+ unsigned long *store_mfn,
+ unsigned int console_evtchn,
+ unsigned long *console_mfn);
+
/**
* This function will create a domain for a paravirtualized Linux
* using buffers for kernel and initrd
diff -r a70cf505aef9 -r eefbc33a41ab tools/python/xen/lowlevel/xc/xc.c
--- a/tools/python/xen/lowlevel/xc/xc.c Mon Feb 26 10:22:38 2007 +0000
+++ b/tools/python/xen/lowlevel/xc/xc.c Mon Feb 26 10:23:03 2007 +0000
@@ -18,6 +18,8 @@
#include <arpa/inet.h>
#include "xenctrl.h"
+#include <xen/elfnote.h>
+#include "xc_dom.h"
#include <xen/hvm/hvm_info_table.h>
#include <xen/hvm/params.h>
@@ -371,13 +373,17 @@ static PyObject *pyxc_linux_build(XcObje
PyObject *args,
PyObject *kwds)
{
- uint32_t dom;
+ uint32_t domid;
+ struct xc_dom_image *dom;
char *image, *ramdisk = NULL, *cmdline = "", *features = NULL;
int flags = 0;
int store_evtchn, console_evtchn;
unsigned int mem_mb;
unsigned long store_mfn = 0;
unsigned long console_mfn = 0;
+ PyObject* elfnote_dict;
+ PyObject* elfnote = NULL;
+ int i;
static char *kwd_list[] = { "domid", "store_evtchn", "memsize",
"console_evtchn", "image",
@@ -386,22 +392,52 @@ static PyObject *pyxc_linux_build(XcObje
"features", NULL };
if ( !PyArg_ParseTupleAndKeywords(args, kwds, "iiiis|ssis", kwd_list,
- &dom, &store_evtchn, &mem_mb,
+ &domid, &store_evtchn, &mem_mb,
&console_evtchn, &image,
/* optional */
&ramdisk, &cmdline, &flags,
&features) )
return NULL;
- if ( xc_linux_build(self->xc_handle, dom, mem_mb, image,
- ramdisk, cmdline, features, flags,
- store_evtchn, &store_mfn,
- console_evtchn, &console_mfn) != 0 ) {
- return pyxc_error_to_exception();
+ xc_dom_loginit();
+ if (!(dom = xc_dom_allocate(cmdline, features)))
+ return pyxc_error_to_exception();
+
+ if ( xc_dom_linux_build(self->xc_handle, dom, domid, mem_mb, image,
+ ramdisk, flags, store_evtchn, &store_mfn,
+ console_evtchn, &console_mfn) != 0 ) {
+ goto out;
}
- return Py_BuildValue("{s:i,s:i}",
+
+ if (!(elfnote_dict = PyDict_New()))
+ goto out;
+ for (i = 0; i < XEN_ELFNOTE_MAX; i++) {
+ switch (dom->parms.elf_notes[i].type) {
+ case XEN_ENT_NONE:
+ continue;
+ case XEN_ENT_LONG:
+ elfnote = Py_BuildValue("k", dom->parms.elf_notes[i].data.num);
+ break;
+ case XEN_ENT_STR:
+ elfnote = Py_BuildValue("s", dom->parms.elf_notes[i].data.str);
+ break;
+ }
+ PyDict_SetItemString(elfnote_dict,
+ dom->parms.elf_notes[i].name,
+ elfnote);
+ Py_DECREF(elfnote);
+ }
+
+ xc_dom_release(dom);
+
+ return Py_BuildValue("{s:i,s:i,s:N}",
"store_mfn", store_mfn,
- "console_mfn", console_mfn);
+ "console_mfn", console_mfn,
+ "notes", elfnote_dict);
+
+ out:
+ xc_dom_release(dom);
+ return pyxc_error_to_exception();
}
static PyObject *pyxc_hvm_build(XcObject *self,
diff -r a70cf505aef9 -r eefbc33a41ab tools/python/xen/xend/XendConfig.py
--- a/tools/python/xen/xend/XendConfig.py Mon Feb 26 10:22:38 2007 +0000
+++ b/tools/python/xen/xend/XendConfig.py Mon Feb 26 10:23:03 2007 +0000
@@ -729,6 +729,10 @@ class XendConfig(dict):
image['hvm'] = image_hvm
image['hvm']['devices'] = image_hvm_devices
+ notes = sxp.children(image_sxp, 'notes')
+ if notes:
+ image['notes'] = self.notes_from_sxp(notes[0])
+
self['image'] = image
for apikey, imgkey in XENAPI_HVM_CFG.items():
@@ -1363,6 +1367,9 @@ class XendConfig(dict):
image.append([arg, val])
+ if 'notes' in self['image']:
+ image.append(self.notes_sxp(self['image']['notes']))
+
return image
def update_with_image_sxp(self, image_sxp, bootloader = False):
@@ -1420,6 +1427,10 @@ class XendConfig(dict):
image['hvm'] = image_hvm
image['hvm']['devices'] = image_hvm_devices
+ notes = sxp.children(image_sxp, 'notes')
+ if notes:
+ image['notes'] = self.notes_from_sxp(notes[0])
+
self['image'] = image
for apikey, imgkey in XENAPI_HVM_CFG.items():
@@ -1432,7 +1443,28 @@ class XendConfig(dict):
self[apikey] = val
self._hvm_boot_params_from_sxp(image_sxp)
-
+ def set_notes(self, notes):
+ 'Add parsed elfnotes to image'
+ self['image']['notes'] = notes
+
+ def get_notes(self):
+ try:
+ return self['image']['notes'] or {}
+ except KeyError:
+ return {}
+
+ def notes_from_sxp(self, nsxp):
+ notes = {}
+ for note in sxp.children(nsxp):
+ notes[note[0]] = note[1]
+ return notes
+
+ def notes_sxp(self, notes):
+ nsxp = ['notes']
+ for k, v in notes.iteritems():
+ nsxp.append([k, str(v)])
+ return nsxp
+
def _hvm_boot_params_from_sxp(self, image_sxp):
boot = sxp.child_value(image_sxp, 'boot', None)
if boot is not None:
diff -r a70cf505aef9 -r eefbc33a41ab tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py Mon Feb 26 10:22:38 2007 +0000
+++ b/tools/python/xen/xend/XendDomainInfo.py Mon Feb 26 10:23:03 2007 +0000
@@ -302,6 +302,8 @@ class XendDomainInfo:
@type store_mfn: int
@ivar console_mfn: xenconsoled mfn
@type console_mfn: int
+ @ivar notes: OS image notes
+ @type notes: dictionary
@ivar vmWatch: reference to a watch on the xenstored vmpath
@type vmWatch: xen.xend.xenstore.xswatch
@ivar shutdownWatch: reference to watch on the xenstored domain shutdown
@@ -776,12 +778,28 @@ class XendDomainInfo:
def f(n, v):
if v is not None:
- to_store[n] = str(v)
+ if type(v) == bool:
+ to_store[n] = v and "1" or "0"
+ else:
+ to_store[n] = str(v)
f('console/port', self.console_port)
f('console/ring-ref', self.console_mfn)
f('store/port', self.store_port)
f('store/ring-ref', self.store_mfn)
+
+ # elfnotes
+ for n, v in self.info.get_notes().iteritems():
+ n = n.lower().replace('_', '-')
+ if n == 'features':
+ for v in v.split('|'):
+ v = v.replace('_', '-')
+ if v.startswith('!'):
+ f('image/%s/%s' % (n, v[1:]), False)
+ else:
+ f('image/%s/%s' % (n, v), True)
+ else:
+ f('image/%s' % n, v)
to_store.update(self._vcpuDomDetails())
@@ -1462,6 +1480,8 @@ class XendDomainInfo:
self.store_mfn = channel_details['store_mfn']
if 'console_mfn' in channel_details:
self.console_mfn = channel_details['console_mfn']
+ if 'notes' in channel_details:
+ self.info.set_notes(channel_details['notes'])
self._introduceDomain()
diff -r a70cf505aef9 -r eefbc33a41ab xen/arch/x86/domain_build.c
--- a/xen/arch/x86/domain_build.c Mon Feb 26 10:22:38 2007 +0000
+++ b/xen/arch/x86/domain_build.c Mon Feb 26 10:23:03 2007 +0000
@@ -28,6 +28,7 @@
#include <asm/paging.h>
#include <public/version.h>
+#include <public/elfnote.h>
#include <public/libelf.h>
extern unsigned long initial_images_nrpages(void);
diff -r a70cf505aef9 -r eefbc33a41ab xen/common/libelf/libelf-dominfo.c
--- a/xen/common/libelf/libelf-dominfo.c Mon Feb 26 10:22:38 2007 +0000
+++ b/xen/common/libelf/libelf-dominfo.c Mon Feb 26 10:23:03 2007 +0000
@@ -119,13 +119,18 @@ int elf_xen_parse_note(struct elf_binary
str = elf_note_desc(elf, note);
elf_msg(elf, "%s: %s = \"%s\"\n", __FUNCTION__,
note_desc[type].name, str);
+ parms->elf_notes[type].type = XEN_ENT_STR;
+ parms->elf_notes[type].data.str = str;
}
else
{
val = elf_note_numeric(elf, note);
elf_msg(elf, "%s: %s = 0x%" PRIx64 "\n", __FUNCTION__,
note_desc[type].name, val);
- }
+ parms->elf_notes[type].type = XEN_ENT_LONG;
+ parms->elf_notes[type].data.num = val;
+ }
+ parms->elf_notes[type].name = note_desc[type].name;
switch ( type )
{
diff -r a70cf505aef9 -r eefbc33a41ab xen/include/public/elfnote.h
--- a/xen/include/public/elfnote.h Mon Feb 26 10:22:38 2007 +0000
+++ b/xen/include/public/elfnote.h Mon Feb 26 10:23:03 2007 +0000
@@ -157,6 +157,11 @@
#define XEN_ELFNOTE_L1_MFN_VALID 13
/*
+ * The number of the highest elfnote defined.
+ */
+#define XEN_ELFNOTE_MAX XEN_ELFNOTE_L1_MFN_VALID
+
+/*
* System information exported through crash notes.
*
* The kexec / kdump code will create one XEN_ELFNOTE_CRASH_INFO
diff -r a70cf505aef9 -r eefbc33a41ab xen/include/public/libelf.h
--- a/xen/include/public/libelf.h Mon Feb 26 10:22:38 2007 +0000
+++ b/xen/include/public/libelf.h Mon Feb 26 10:23:03 2007 +0000
@@ -174,12 +174,28 @@ int elf_reloc(struct elf_binary *elf);
#define UNSET_ADDR ((uint64_t)-1)
+enum xen_elfnote_type {
+ XEN_ENT_NONE = 0,
+ XEN_ENT_LONG = 1,
+ XEN_ENT_STR = 2
+};
+
+struct xen_elfnote {
+ enum xen_elfnote_type type;
+ const char *name;
+ union {
+ const char *str;
+ uint64_t num;
+ } data;
+};
+
struct elf_dom_parms {
/* raw */
const char *guest_info;
const void *elf_note_start;
const void *elf_note_end;
-
+ struct xen_elfnote elf_notes[XEN_ELFNOTE_MAX + 1];
+
/* parsed */
char guest_os[16];
char guest_ver[16];
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