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[Xen-devel] [patch] qemu-xen: pass-through: Allow slots 1e and 1f to be

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] [patch] qemu-xen: pass-through: Allow slots 1e and 1f to be used
From: Simon Horman <horms@xxxxxxxxxxxx>
Date: Tue, 31 Mar 2009 18:32:01 +1100
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Keir Fraser <Keir.Fraser@xxxxxxxxxxxxx>, Dexuan Cui <dexuan.cui@xxxxxxxxx>
Delivery-date: Tue, 31 Mar 2009 00:32:28 -0700
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This fixes an oversight in my recent patch "Allow any unused PCI device to
be used for pass-through" whereby attempts to use slots 1e and 1f for
pass-through would silently fail.

* This affects both static and manual selection of slots
* This affects both hot-plug and static pass-through

Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>


Please consider for inclusion in 3.4

Index: ioemu-remote/hw/piix4acpi.c
--- ioemu-remote.orig/hw/piix4acpi.c    2009-03-31 18:21:29.000000000 +1100
+++ ioemu-remote/hw/piix4acpi.c 2009-03-31 18:22:23.000000000 +1100
@@ -320,9 +320,9 @@ static void php_slots_init(void)
     /* ACPI PCI hotplug controller */
-    register_ioport_read(ACPI_PHP_IO_ADDR, NR_PCI_DEV, 1,
+    register_ioport_read(ACPI_PHP_IO_ADDR, NR_PCI_DEV + 2, 1,
                          acpi_php_readb, &php_slots);
-    register_ioport_write(ACPI_PHP_IO_ADDR, NR_PCI_DEV, 1,
+    register_ioport_write(ACPI_PHP_IO_ADDR, NR_PCI_DEV + 2, 1,
                           acpi_php_writeb, &php_slots);
     register_savevm("pcislots", 0, 1, pcislots_save, pcislots_load,

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