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Re: [Qemu-ppc] [Qemu-devel] [PATCHv2 02/10] pseries: Rearrange versioned
From: |
David Gibson |
Subject: |
Re: [Qemu-ppc] [Qemu-devel] [PATCHv2 02/10] pseries: Rearrange versioned machine type code |
Date: |
Wed, 9 Dec 2015 13:53:44 +1100 |
User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Mon, Dec 07, 2015 at 11:21:26AM +0100, Thomas Huth wrote:
> On 07/12/15 04:34, David Gibson wrote:
> > hw/ppc/spapr.c has a number of definitions related to the various versioned
> > machine types ("pseries-2.1" .. "pseries-2.5") it defines. These are
> > mostly arranged by type of function first, then machine version second, and
> > it's not consistent about whether it goes in increasing or decreasing
> > version order.
> >
> > This rearranges the code to keep all the definitions for a particular
> > machine version together, and arrange then consistently in order most
> > recent to least recent.
> >
> > This brings us closer to matching the way PC does things, and makes later
> > cleanups easier to follow.
> >
> > Apart from adding some comments marking each section, this is a pure
> > mechanical rearrangement with no semantic changes.
> >
> > Signed-off-by: David Gibson <address@hidden>
> > ---
> > hw/ppc/spapr.c | 180
> > +++++++++++++++++++++++++++++++--------------------------
> > 1 file changed, 98 insertions(+), 82 deletions(-)
> >
> > diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> > index a69856f..c126e10 100644
> > --- a/hw/ppc/spapr.c
> > +++ b/hw/ppc/spapr.c
> > @@ -2301,9 +2301,53 @@ static const TypeInfo spapr_machine_info = {
> > },
> > };
> >
> > +/*
> > + * pseries-2.5
> > + */
> > +static void spapr_machine_2_5_class_init(ObjectClass *oc, void *data)
> > +{
> > + MachineClass *mc = MACHINE_CLASS(oc);
> > + sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(oc);
> > +
> > + mc->desc = "pSeries Logical Partition (PAPR compliant) v2.5";
> > + mc->alias = "pseries";
> > + mc->is_default = 1;
> > + smc->dr_lmb_enabled = true;
> > +}
> > +
> > +static const TypeInfo spapr_machine_2_5_info = {
> > + .name = MACHINE_TYPE_NAME("pseries-2.5"),
> > + .parent = TYPE_SPAPR_MACHINE,
> > + .class_init = spapr_machine_2_5_class_init,
> > +};
> > +
> > +/*
> > + * pseries-2.4
> > + */
> > #define SPAPR_COMPAT_2_4 \
> > HW_COMPAT_2_4
> >
> > +static void spapr_machine_2_4_class_init(ObjectClass *oc, void *data)
> > +{
> > + static GlobalProperty compat_props[] = {
> > + SPAPR_COMPAT_2_4
> > + { /* end of list */ }
> > + };
> > + MachineClass *mc = MACHINE_CLASS(oc);
> > +
> > + mc->desc = "pSeries Logical Partition (PAPR compliant) v2.4";
> > + mc->compat_props = compat_props;
> > +}
> > +
> > +static const TypeInfo spapr_machine_2_4_info = {
> > + .name = MACHINE_TYPE_NAME("pseries-2.4"),
> > + .parent = TYPE_SPAPR_MACHINE,
> > + .class_init = spapr_machine_2_4_class_init,
> > +};
> > +
> > +/*
> > + * pseries-2.3
> > + */
> > #define SPAPR_COMPAT_2_3 \
> > SPAPR_COMPAT_2_4 \
> > HW_COMPAT_2_3 \
> > @@ -2313,72 +2357,61 @@ static const TypeInfo spapr_machine_info = {
> > .value = "off",\
> > },
> >
> > -#define SPAPR_COMPAT_2_2 \
> > - SPAPR_COMPAT_2_3 \
> > - HW_COMPAT_2_2 \
> > - {\
> > - .driver = TYPE_SPAPR_PCI_HOST_BRIDGE,\
> > - .property = "mem_win_size",\
> > - .value = "0x20000000",\
> > - },
> > -
> > -#define SPAPR_COMPAT_2_1 \
> > - SPAPR_COMPAT_2_2 \
> > - HW_COMPAT_2_1
> > -
> > static void spapr_compat_2_3(Object *obj)
> > {
> > savevm_skip_section_footers();
> > global_state_set_optional();
> > }
> >
> > -static void spapr_compat_2_2(Object *obj)
> > -{
> > - spapr_compat_2_3(obj);
> > -}
> > -
> > -static void spapr_compat_2_1(Object *obj)
> > -{
> > - spapr_compat_2_2(obj);
> > -}
> > -
> > static void spapr_machine_2_3_instance_init(Object *obj)
> > {
> > spapr_compat_2_3(obj);
> > spapr_machine_initfn(obj);
> > }
> >
> > -static void spapr_machine_2_2_instance_init(Object *obj)
> > -{
> > - spapr_compat_2_2(obj);
> > - spapr_machine_initfn(obj);
> > -}
> > -
> > -static void spapr_machine_2_1_instance_init(Object *obj)
> > -{
> > - spapr_compat_2_1(obj);
> > - spapr_machine_initfn(obj);
> > -}
> > -
> > -static void spapr_machine_2_1_class_init(ObjectClass *oc, void *data)
> > +static void spapr_machine_2_3_class_init(ObjectClass *oc, void *data)
> > {
> > - MachineClass *mc = MACHINE_CLASS(oc);
> > static GlobalProperty compat_props[] = {
> > - SPAPR_COMPAT_2_1
> > + SPAPR_COMPAT_2_3
> > { /* end of list */ }
> > };
> > + MachineClass *mc = MACHINE_CLASS(oc);
> >
> > - mc->desc = "pSeries Logical Partition (PAPR compliant) v2.1";
> > + mc->desc = "pSeries Logical Partition (PAPR compliant) v2.3";
> > mc->compat_props = compat_props;
> > }
> >
> > -static const TypeInfo spapr_machine_2_1_info = {
> > - .name = MACHINE_TYPE_NAME("pseries-2.1"),
> > +static const TypeInfo spapr_machine_2_3_info = {
> > + .name = MACHINE_TYPE_NAME("pseries-2.3"),
> > .parent = TYPE_SPAPR_MACHINE,
> > - .class_init = spapr_machine_2_1_class_init,
> > - .instance_init = spapr_machine_2_1_instance_init,
> > + .class_init = spapr_machine_2_3_class_init,
> > + .instance_init = spapr_machine_2_3_instance_init,
> > };
> >
> > +/*
> > + * pseries-2.2
> > + */
> > +
> > +#define SPAPR_COMPAT_2_2 \
> > + SPAPR_COMPAT_2_3 \
> > + HW_COMPAT_2_2 \
> > + {\
> > + .driver = TYPE_SPAPR_PCI_HOST_BRIDGE,\
> > + .property = "mem_win_size",\
> > + .value = "0x20000000",\
> > + },
> > +
> > +static void spapr_compat_2_2(Object *obj)
> > +{
> > + spapr_compat_2_3(obj);
> > +}
> > +
> > +static void spapr_machine_2_2_instance_init(Object *obj)
> > +{
> > + spapr_compat_2_2(obj);
> > + spapr_machine_initfn(obj);
> > +}
> > +
> > static void spapr_machine_2_2_class_init(ObjectClass *oc, void *data)
> > {
> > static GlobalProperty compat_props[] = {
> > @@ -2398,58 +2431,41 @@ static const TypeInfo spapr_machine_2_2_info = {
> > .instance_init = spapr_machine_2_2_instance_init,
> > };
> >
> > -static void spapr_machine_2_3_class_init(ObjectClass *oc, void *data)
> > -{
> > - static GlobalProperty compat_props[] = {
> > - SPAPR_COMPAT_2_3
> > - { /* end of list */ }
> > - };
> > - MachineClass *mc = MACHINE_CLASS(oc);
> > +/*
> > + * pseries-2.1
> > + */
> > +#define SPAPR_COMPAT_2_1 \
> > + SPAPR_COMPAT_2_2 \
> > + HW_COMPAT_2_1
> >
> > - mc->desc = "pSeries Logical Partition (PAPR compliant) v2.3";
> > - mc->compat_props = compat_props;
> > +static void spapr_compat_2_1(Object *obj)
> > +{
> > + spapr_compat_2_2(obj);
> > }
> >
> > -static const TypeInfo spapr_machine_2_3_info = {
> > - .name = MACHINE_TYPE_NAME("pseries-2.3"),
> > - .parent = TYPE_SPAPR_MACHINE,
> > - .class_init = spapr_machine_2_3_class_init,
> > - .instance_init = spapr_machine_2_3_instance_init,
> > -};
> > +static void spapr_machine_2_1_instance_init(Object *obj)
> > +{
> > + spapr_compat_2_1(obj);
> > + spapr_machine_initfn(obj);
> > +}
> >
> > -static void spapr_machine_2_4_class_init(ObjectClass *oc, void *data)
> > +static void spapr_machine_2_1_class_init(ObjectClass *oc, void *data)
> > {
> > + MachineClass *mc = MACHINE_CLASS(oc);
> > static GlobalProperty compat_props[] = {
> > - SPAPR_COMPAT_2_4
> > + SPAPR_COMPAT_2_1
> > { /* end of list */ }
> > };
> > - MachineClass *mc = MACHINE_CLASS(oc);
> >
> > - mc->desc = "pSeries Logical Partition (PAPR compliant) v2.4";
> > + mc->desc = "pSeries Logical Partition (PAPR compliant) v2.1";
> > mc->compat_props = compat_props;
> > }
> >
> > -static const TypeInfo spapr_machine_2_4_info = {
> > - .name = MACHINE_TYPE_NAME("pseries-2.4"),
> > - .parent = TYPE_SPAPR_MACHINE,
> > - .class_init = spapr_machine_2_4_class_init,
> > -};
> > -
> > -static void spapr_machine_2_5_class_init(ObjectClass *oc, void *data)
> > -{
> > - MachineClass *mc = MACHINE_CLASS(oc);
> > - sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(oc);
> > -
> > - mc->desc = "pSeries Logical Partition (PAPR compliant) v2.5";
> > - mc->alias = "pseries";
> > - mc->is_default = 1;
> > - smc->dr_lmb_enabled = true;
> > -}
> > -
> > -static const TypeInfo spapr_machine_2_5_info = {
> > - .name = MACHINE_TYPE_NAME("pseries-2.5"),
> > +static const TypeInfo spapr_machine_2_1_info = {
> > + .name = MACHINE_TYPE_NAME("pseries-2.1"),
> > .parent = TYPE_SPAPR_MACHINE,
> > - .class_init = spapr_machine_2_5_class_init,
> > + .class_init = spapr_machine_2_1_class_init,
> > + .instance_init = spapr_machine_2_1_instance_init,
> > };
> >
> > static void spapr_machine_register_types(void)
>
> The patch might have been a little bit easier to read if you'd moved the
> next two cleanup patches before this one in the series, but as far as I
> can see, it's all clean code movement, without further modification, and
> IMHO it also makes sense, so:
Yeah, maybe. But because this is a big code move, doing so would have
meant basically rewriting both patches from scratch, which was more
hassle than I wanted.
> Reviewed-by: Thomas Huth <address@hidden>
>
>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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- Re: [Qemu-ppc] [PATCHv2 07/10] pseries: DEFINE_SPAPR_MACHINE, (continued)
[Qemu-ppc] [PATCHv2 04/10] pseries: Remove versions from mc->desc, David Gibson, 2015/12/06
[Qemu-ppc] [PATCHv2 06/10] pseries: Use SET_MACHINE_COMPAT, David Gibson, 2015/12/06
[Qemu-ppc] [PATCHv2 02/10] pseries: Rearrange versioned machine type code, David Gibson, 2015/12/06
Re: [Qemu-ppc] [PATCHv2 00/10] Clean up pseries machine versioning, David Gibson, 2015/12/09