# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1243328650 -3600
# Node ID dc7de36c94e355883d6736bc4f39243cea45fdaf
# Parent caa8c0e2d6f6dc939ce4e828ff49a87793bbd6d0
xm, xend: passthrough: Add assigned_or_requested_vslot()
Add an accessor to simplify accessing vslot if available,
otherwise requested_vslot.
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
---
tools/python/xen/util/pci.py | 14 +++++++++++++-
tools/python/xen/xend/XendDomainInfo.py | 16 ++++------------
tools/python/xen/xend/server/pciif.py | 10 +++++-----
tools/python/xen/xm/main.py | 12 +++---------
4 files changed, 25 insertions(+), 27 deletions(-)
diff -r caa8c0e2d6f6 -r dc7de36c94e3 tools/python/xen/util/pci.py
--- a/tools/python/xen/util/pci.py Tue May 26 10:03:09 2009 +0100
+++ b/tools/python/xen/util/pci.py Tue May 26 10:04:10 2009 +0100
@@ -138,7 +138,13 @@ def parse_pci_name(pci_name_string):
func = parse_hex(pci_dev_info['func'])
return (domain, bus, slot, func)
-
+
+def assigned_or_requested_vslot(dev):
+ if dev.has_key("vslot"):
+ return dev["vslot"]
+ if dev.has_key("requested_vslot"):
+ return dev["requested_vslot"]
+ raise PciDeviceVslotMissing("%s" % dev)
def find_sysfs_mnt():
try:
@@ -354,6 +360,12 @@ class PciDeviceAssignmentError(Exception
def __str__(self):
return 'pci: impproper device assignment spcified: ' + \
self.message
+
+class PciDeviceVslotMissing(Exception):
+ def __init__(self,msg):
+ self.message = msg
+ def __str__(self):
+ return 'pci: no vslot or requested_vslot: ' + self.message
class PciDevice:
def __init__(self, domain, bus, slot, func):
diff -r caa8c0e2d6f6 -r dc7de36c94e3 tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py Tue May 26 10:03:09 2009 +0100
+++ b/tools/python/xen/xend/XendDomainInfo.py Tue May 26 10:04:10 2009 +0100
@@ -38,6 +38,7 @@ from xen.util.blkif import blkdev_uname_
from xen.util.blkif import blkdev_uname_to_file, blkdev_uname_to_taptype
import xen.util.xsm.xsm as security
from xen.util import xsconstants
+from xen.util.pci import assigned_or_requested_vslot
from xen.xend import balloon, sxp, uuid, image, arch
from xen.xend import XendOptions, XendNode, XendConfig
@@ -621,10 +622,7 @@ class XendDomainInfo:
pci_conf = self.info['devices'][dev_uuid][1]
pci_devs = pci_conf['devs']
for x in pci_devs:
- if x.has_key('vslot'):
- x_vslot = x['vslot']
- else:
- x_vslot = x['requested_vslot']
+ x_vslot = assigned_or_requested_vslot(x)
if (int(x_vslot, 16) == int(new_dev['requested_vslot'], 16) and
int(x_vslot, 16) != AUTO_PHP_SLOT):
raise VmError("vslot %s already have a device." %
(new_dev['requested_vslot']))
@@ -819,10 +817,7 @@ class XendDomainInfo:
int(x['bus'], 16) == int(dev['bus'], 16) and
int(x['slot'], 16) == int(dev['slot'], 16) and
int(x['func'], 16) == int(dev['func'], 16) ):
- if x.has_key('vslot'):
- vslot = x['vslot']
- else:
- vslot = x['requested_vslot']
+ vslot = assigned_or_requested_vslot(x)
break
if vslot == AUTO_PHP_SLOT_STR:
raise VmError("Device %04x:%02x:%02x.%01x is not connected"
@@ -1119,10 +1114,7 @@ class XendDomainInfo:
#find the pass-through device with the virtual slot
devnum = 0
for x in pci_conf['devs']:
- if x.has_key('vslot'):
- x_vslot = x['vslot']
- else:
- x_vslot = x['requested_vslot']
+ x_vslot = assigned_or_requested_vslot(x)
if int(x_vslot, 16) == vslot:
break
devnum += 1
diff -r caa8c0e2d6f6 -r dc7de36c94e3 tools/python/xen/xend/server/pciif.py
--- a/tools/python/xen/xend/server/pciif.py Tue May 26 10:03:09 2009 +0100
+++ b/tools/python/xen/xend/server/pciif.py Tue May 26 10:04:10 2009 +0100
@@ -71,15 +71,15 @@ class PciController(DevController):
pcidevid = 0
vslots = ""
for pci_config in config.get('devs', []):
- vslot = pci_config.get('vslot')
- if vslot is not None:
- vslots = vslots + vslot + ";"
+ attached_vslot = pci_config.get('vslot')
+ if attached_vslot is not None:
+ vslots = vslots + attached_vslot + ";"
domain = parse_hex(pci_config.get('domain', 0))
bus = parse_hex(pci_config.get('bus', 0))
slot = parse_hex(pci_config.get('slot', 0))
func = parse_hex(pci_config.get('func', 0))
- requested_vslot = parse_hex(pci_config.get('requested_vslot', 0))
+ vslot = parse_hex(assigned_or_requested_vslot(pci_config))
opts = pci_config.get('opts', '')
if len(opts) > 0:
@@ -90,7 +90,7 @@ class PciController(DevController):
back['dev-%i' % pcidevid] = "%04x:%02x:%02x.%01x" % \
(domain, bus, slot, func)
back['uuid-%i' % pcidevid] = pci_config.get('uuid', '')
- back['vslot-%i' % pcidevid] = "%02x" % requested_vslot
+ back['vslot-%i' % pcidevid] = "%02x" % vslot
pcidevid += 1
if vslots != "":
diff -r caa8c0e2d6f6 -r dc7de36c94e3 tools/python/xen/xm/main.py
--- a/tools/python/xen/xm/main.py Tue May 26 10:03:09 2009 +0100
+++ b/tools/python/xen/xm/main.py Tue May 26 10:04:10 2009 +0100
@@ -2168,18 +2168,12 @@ def xm_pci_list(args):
has_vslot = False
for x in devs:
- if x.has_key('vslot'):
- if x['vslot'] == "0x%s" % AUTO_PHP_SLOT_STR:
- x['vslot'] = '-'
- else:
- has_vslot = True
- elif not x.has_key('requested_vslot'):
- x['vslot'] = '-'
- elif x['requested_vslot'] == "0x%s" % AUTO_PHP_SLOT_STR:
+ vslot = assigned_or_requested_vslot(x)
+ if int(vslot, 16) == AUTO_PHP_SLOT:
x['vslot'] = '-'
else:
+ x['vslot'] = vslot
has_vslot = True
- x['vslot'] = x['requested_vslot']
if has_vslot:
hdr_str = 'VSlt domain bus slot func'
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