Re: [Qemu-devel] [Qemu-ppc][PATCH v6 5/5] spapr: Add support for -vga option

[Li Zhang <zhlcindy@linux.vnet.ibm.com>]

Reply to mailing list. :)

On 2012年08月05日 02:41, zhlcindy@gmail.com wrote:
> From: Li Zhang <zhlcindy@linux.vnet.ibm.com>
>
> Also instanciate the USB keyboard and mouse when that option is used
> (you can still use -device to create individual devices without all
> the defaults)
>
> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Signed-off-by: Li Zhang <zhlcindy@linux.vnet.ibm.com>
> ---
>   hw/spapr.c |   31 ++++++++++++++++++++++++++++++-
>   1 files changed, 30 insertions(+), 1 deletions(-)
>
> diff --git a/hw/spapr.c b/hw/spapr.c
> index 4dc5e59..e8eb947 100644
> --- a/hw/spapr.c
> +++ b/hw/spapr.c
> @@ -45,6 +45,8 @@
>   #include "kvm.h"
>   #include "kvm_ppc.h"
>   #include "pci.h"
> +#include "vga-pci.h"
> +#include "usb.h"
>
>   #include "exec-memory.h"
>
> @@ -82,6 +84,7 @@
>   #define PHANDLE_XICP            0x00001111
>
>   sPAPREnvironment *spapr;
> +bool spapr_has_graphics;
>
>   qemu_irq spapr_allocate_irq(uint32_t hint, uint32_t *irq_num,
>                               enum xics_irq_type type)
> @@ -257,6 +260,9 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
>           _FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop))));
>       }
>       _FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device)));
> +    _FDT((fdt_property_cell(fdt, "qemu,graphic-width", graphic_width)));
> +    _FDT((fdt_property_cell(fdt, "qemu,graphic-height", graphic_height)));
> +    _FDT((fdt_property_cell(fdt, "qemu,graphic-depth", graphic_depth)));
>
>       _FDT((fdt_end_node(fdt)));
>
> @@ -503,7 +509,9 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr,
>           }
>       }
>
> -    spapr_populate_chosen_stdout(fdt, spapr->vio_bus);
> +    if (!spapr_has_graphics) {
> +        spapr_populate_chosen_stdout(fdt, spapr->vio_bus);
> +    }
>
>       _FDT((fdt_pack(fdt)));
>
> @@ -556,6 +564,18 @@ static void spapr_cpu_reset(void *opaque)
>       cpu_reset(CPU(cpu));
>   }
>
> +static int spapr_vga_init(PCIBus *pci_bus)
> +{
> +    if (std_vga_enabled) {
> +        pci_vga_init(pci_bus);
> +    } else {
> +        fprintf(stderr, "This vga model is not supported,"
> +                "currently it only supports -vga std\n");
> +        return 0;
> +    }
> +    return 1;
> +}
> +
>   /* pSeries LPAR / sPAPR hardware init */
>   static void ppc_spapr_init(ram_addr_t ram_size,
>                              const char *boot_device,
> @@ -712,6 +732,11 @@ static void ppc_spapr_init(ram_addr_t ram_size,
>           spapr_vscsi_create(spapr->vio_bus);
>       }
>
> +    /* Graphics */
> +    if (spapr_vga_init(QLIST_FIRST(&spapr->phbs)->host_state.bus)) {
> +        spapr_has_graphics = true;
> +    }
> +
>       mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
>       if (mach_opts) {
>           usb_enabled = qemu_opt_get_bool(mach_opts, "usb", true);
> @@ -720,6 +745,10 @@ static void ppc_spapr_init(ram_addr_t ram_size,
>       if (usb_enabled) {
>           pci_create_simple(QLIST_FIRST(&spapr->phbs)->host_state.bus,
>                             -1, "pci-ohci");
> +        if (spapr_has_graphics) {
> +            usbdevice_create("keyboard");
> +            usbdevice_create("mouse");
> +        }
>       }
>
>       if (rma_size < (MIN_RMA_SLOF << 20)) {


-- 

Li Zhang
IBM China Linux Technology Centre