[Qemu-devel] Re: [PATCH 1/3] build, pci: remove QMP dependency on core PCI code

[Michael S. Tsirkin]

On Wed, Dec 22, 2010 at 07:54:48PM +0900, Isaku Yamahata wrote:
> by introducing pci-stub.c, eliminate QMP dependency on core PCI code
> rquired by query-pci command.
> 
> Signed-off-by: Isaku Yamahata <address@hidden>

Yay! Applied.

> ---
>  Makefile.objs   |    4 +---
>  Makefile.target |    2 ++
>  hw/pci-stub.c   |   37 +++++++++++++++++++++++++++++++++++++
>  3 files changed, 40 insertions(+), 3 deletions(-)
>  create mode 100644 hw/pci-stub.c
> 
> diff --git a/Makefile.objs b/Makefile.objs
> index d6b3d60..c3e52c5 100644
> --- a/Makefile.objs
> +++ b/Makefile.objs
> @@ -169,9 +169,7 @@ hw-obj-y =
>  hw-obj-y += vl.o loader.o
>  hw-obj-$(CONFIG_VIRTIO) += virtio.o virtio-console.o
>  hw-obj-y += fw_cfg.o
> -# FIXME: Core PCI code and its direct dependencies are required by the
> -# QMP query-pci command.
> -hw-obj-y += pci.o pci_bridge.o
> +hw-obj-$(CONFIG_PCI) += pci.o pci_bridge.o
>  hw-obj-$(CONFIG_PCI) += msix.o msi.o
>  hw-obj-$(CONFIG_PCI) += pci_host.o pcie_host.o
>  hw-obj-$(CONFIG_PCI) += ioh3420.o xio3130_upstream.o xio3130_downstream.o
> diff --git a/Makefile.target b/Makefile.target
> index d08f5dd..38582d4 100644
> --- a/Makefile.target
> +++ b/Makefile.target
> @@ -1,6 +1,7 @@
>  # -*- Mode: makefile -*-
>  
>  GENERATED_HEADERS = config-target.h
> +CONFIG_NO_PCI = $(if $(subst n,,$(CONFIG_PCI)),n,y)
>  CONFIG_NO_KVM = $(if $(subst n,,$(CONFIG_KVM)),n,y)
>  
>  include ../config-host.mak
> @@ -188,6 +189,7 @@ ifdef CONFIG_SOFTMMU
>  obj-y = arch_init.o cpus.o monitor.o machine.o gdbstub.o balloon.o
>  # virtio has to be here due to weird dependency between PCI and virtio-net.
>  # need to fix this properly
> +obj-$(CONFIG_NO_PCI) += pci-stub.o
>  obj-$(CONFIG_VIRTIO) += virtio-blk.o virtio-balloon.o virtio-net.o 
> virtio-serial-bus.o
>  obj-$(CONFIG_VIRTIO_PCI) += virtio-pci.o
>  obj-y += vhost_net.o
> diff --git a/hw/pci-stub.c b/hw/pci-stub.c
> new file mode 100644
> index 0000000..674591d
> --- /dev/null
> +++ b/hw/pci-stub.c
> @@ -0,0 +1,37 @@
> +/*
> + * PCI stubs for plathome that doesn't support pci bus.
> + *
> + * Copyright (c) 2010 Isaku Yamahata <yamahata at valinux co jp>
> + *                    VA Linux Systems Japan K.K.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License along
> + * with this program; if not, see <http://www.gnu.org/licenses/>.
> + */
> +
> +#include "monitor.h"
> +#include "pci.h"
> +
> +static void pci_error_message(Monitor *mon)
> +{
> +    monitor_printf(mon, "PCI devices not supported\n");
> +}
> +
> +void do_pci_info(Monitor *mon, QObject **ret_data)
> +{
> +    pci_error_message(mon);
> +}
> +
> +void do_pci_info_print(Monitor *mon, const QObject *data)
> +{
> +    pci_error_message(mon);
> +}
> -- 
> 1.7.1.1