[Xen-changelog] [xen-unstable] xm: Fix hot-unplug of statically-assigned devices

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1240477893 -3600
# Node ID 4eef30c14a1437f5e2f636542c65d1cad13e80e6
# Parent  4dd8ed253ee099d58ea113c6b28657d966b50dcc
xm: Fix hot-unplug of statically-assigned devices

Prior to changset 19510:5c69f98c348e - 'xm, xend: Replace "vslt" with
"vslot"', both vslt and vslot were used in the xm code, often fairly
arbitrarily.

However, in the dictionary that describes a pci function both vslt and
vslot were present. vslt stored the slot assigned to the function. And
vslot stored the slot the user requested for the function, or
AUTO_PHP_SLOT if no slot was requested.

With the renaming these two values got merged into a single entry.
This patch un-merges them by renaming the what was vslot to
requested_vslot.

So an out of chronological order list of name changes is:

'vslot' -> 'requested_vslot'
'vslt'  -> 'vslot'

Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
---
 tools/python/xen/xend/XendConfig.py   |    4 ++--
 tools/python/xen/xend/server/pciif.py |    4 ++--
 tools/python/xen/xm/create.py         |    3 ++-
 3 files changed, 6 insertions(+), 5 deletions(-)

diff -r 4dd8ed253ee0 -r 4eef30c14a14 tools/python/xen/xend/XendConfig.py
--- a/tools/python/xen/xend/XendConfig.py       Thu Apr 23 10:10:11 2009 +0100
+++ b/tools/python/xen/xend/XendConfig.py       Thu Apr 23 10:11:33 2009 +0100
@@ -1285,7 +1285,7 @@ class XendConfig(dict):
                     dpci_record = {
                         'VM': self['uuid'],
                         'PPCI': ppci_uuid,
-                        'hotplug_slot': pci_dev.get('vslot', 0)
+                        'hotplug_slot': pci_dev.get('requested_vslot', 0)
                     }
 
                     dpci_opts = pci_dev.get('opts')
@@ -1847,7 +1847,7 @@ class XendConfig(dict):
                     dpci_record = {
                         'VM': self['uuid'],
                         'PPCI': ppci_uuid,
-                        'hotplug_slot': pci_dev.get('vslot', 0)
+                        'hotplug_slot': pci_dev.get('requested_vslot', 0)
                     }
 
                     dpci_opts = pci_dev.get('opts')
diff -r 4dd8ed253ee0 -r 4eef30c14a14 tools/python/xen/xend/server/pciif.py
--- a/tools/python/xen/xend/server/pciif.py     Thu Apr 23 10:10:11 2009 +0100
+++ b/tools/python/xen/xend/server/pciif.py     Thu Apr 23 10:11:33 2009 +0100
@@ -79,7 +79,7 @@ class PciController(DevController):
             bus = parse_hex(pci_config.get('bus', 0))
             slot = parse_hex(pci_config.get('slot', 0))
             func = parse_hex(pci_config.get('func', 0))            
-            vslot = parse_hex(pci_config.get('vslot', 0))
+            requested_vslot = parse_hex(pci_config.get('requested_vslot', 0))
 
             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" % vslot
+            back['vslot-%i' % pcidevid] = "%02x" % requested_vslot
             pcidevid += 1
 
         if vslots != "":
diff -r 4dd8ed253ee0 -r 4eef30c14a14 tools/python/xen/xm/create.py
--- a/tools/python/xen/xm/create.py     Thu Apr 23 10:10:11 2009 +0100
+++ b/tools/python/xen/xm/create.py     Thu Apr 23 10:11:33 2009 +0100
@@ -710,7 +710,8 @@ def configure_pci(config_devs, vals):
             config_pci_opts.append([k, d[k]])
 
         config_pci_bdf = ['dev', ['domain', domain], ['bus', bus], \
-                          ['slot', slot], ['func', func], ['vslot', vslot]]
+                          ['slot', slot], ['func', func],
+                          ['requested_vslot', vslot]]
         map(f, d.keys())
         if len(config_pci_opts)>0:
             config_pci_bdf.append(['opts', config_pci_opts])

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