From b8f5cfd6824ee7122e714ffc7e893432dd7beae5 Mon Sep 17 00:00:00 2001 From: Eduardo Habkost Date: Tue, 24 Jun 2014 23:04:44 -0300 Subject: pc: Move q35 compat props to PC_COMPAT_* For each compat property on PC_Q35_COMPAT_*, there are only two possibilities: * If the device is never instantiated when using a machine other than pc-q35, then the compat property can be safely added to PC_COMPAT_*; * If the device can be instantiated when using a machine other than pc-q35, that means the other machines also need the compat property to be set. That means we don't need separate PC_Q35_COMPAT_* macros at all, today. The hpet.hpet-intcap case is interesting: piix and q35 do have something that emulates different defaults, but the machine-specific default is applied _after_ compat_props are applied, by simply checking if the property is zero (which is the real default on the hpet code). The hpet.hpet-intcap=0x4 compat property can (should?) be applied to piix too, because 0x4 was the default on both piix and q35 before the hpet-intcap property was introduced. Now, if one day we change the default HPET intcap on one of the PC machine-types again, we may want to introduce PC_{Q35,I440FX}_COMPAT macros. But while we don't need that, we can keep the code simple. Signed-off-by: Eduardo Habkost Cc: Liu Ping Fan Cc: Peter Maydell Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/i386/pc.h | 55 +++++++++++++++++----------------------------------- 1 file changed, 18 insertions(+), 37 deletions(-) (limited to 'include') diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 486e98feac..81718b8430 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -294,43 +294,6 @@ int e820_add_entry(uint64_t, uint64_t, uint32_t); int e820_get_num_entries(void); bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *); -#define PC_Q35_COMPAT_2_0 \ - PC_COMPAT_2_0, \ - {\ - .driver = "ICH9-LPC",\ - .property = "memory-hotplug-support",\ - .value = "off",\ - },{\ - .driver = "xio3130-downstream",\ - .property = COMPAT_PROP_PCP,\ - .value = "off",\ - },{\ - .driver = "ioh3420",\ - .property = COMPAT_PROP_PCP,\ - .value = "off",\ - } - -#define PC_Q35_COMPAT_1_7 \ - PC_COMPAT_1_7, \ - PC_Q35_COMPAT_2_0, \ - {\ - .driver = "hpet",\ - .property = HPET_INTCAP,\ - .value = stringify(4),\ - } - -#define PC_Q35_COMPAT_1_6 \ - PC_COMPAT_1_6, \ - PC_Q35_COMPAT_1_7 - -#define PC_Q35_COMPAT_1_5 \ - PC_COMPAT_1_5, \ - PC_Q35_COMPAT_1_6 - -#define PC_Q35_COMPAT_1_4 \ - PC_COMPAT_1_4, \ - PC_Q35_COMPAT_1_5 - #define PC_COMPAT_2_0 \ {\ .driver = "virtio-scsi-pci",\ @@ -370,6 +333,19 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *); .driver = "virtio-net-pci",\ .property = "guest_announce",\ .value = "off",\ + },\ + {\ + .driver = "ICH9-LPC",\ + .property = "memory-hotplug-support",\ + .value = "off",\ + },{\ + .driver = "xio3130-downstream",\ + .property = COMPAT_PROP_PCP,\ + .value = "off",\ + },{\ + .driver = "ioh3420",\ + .property = COMPAT_PROP_PCP,\ + .value = "off",\ } #define PC_COMPAT_1_7 \ @@ -383,6 +359,11 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *); .driver = "PIIX4_PM",\ .property = "acpi-pci-hotplug-with-bridge-support",\ .value = "off",\ + },\ + {\ + .driver = "hpet",\ + .property = HPET_INTCAP,\ + .value = stringify(4),\ } #define PC_COMPAT_1_6 \ -- cgit v1.2.1