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Re: [libvirt] [PATCH] qemu: add bootindex for usb-host and usb-redir devices



Il 14/11/2012 15:51, Ján Tomko ha scritto:
> Allow bootindex to be specified for redirected USB devices and host USB
> devices.
> 
> Bug: https://bugzilla.redhat.com/show_bug.cgi?id=805414
> 
> ---
> Bootindex for these devices is supported since QEMU 1.1.0 (or commit 65bb3a5c)
> but the actual booting from usb-host devices is broken since a844ed84
> (before 1.2.0).
> I haven't tested it with usb-redir yet.
> ---
>  docs/schemas/domaincommon.rng |    3 +++
>  src/conf/domain_conf.h        |    4 ++--
>  src/qemu/qemu_capabilities.c  |   10 ++++++++++
>  src/qemu/qemu_capabilities.h  |    2 ++
>  src/qemu/qemu_command.c       |   37 ++++++++++++++++++++++++++++++-------
>  5 files changed, 47 insertions(+), 9 deletions(-)

Documentation missing?  (Testcases too).

Paolo

> diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
> index 2beb035..02ad477 100644
> --- a/docs/schemas/domaincommon.rng
> +++ b/docs/schemas/domaincommon.rng
> @@ -2779,6 +2779,9 @@
>        <optional>
>          <ref name="address"/>
>        </optional>
> +      <optional>
> +        <ref name="deviceBoot"/>
> +      </optional>
>      </element>
>    </define>
>    <define name="redirfilter">
> diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
> index 6539281..091879e 100644
> --- a/src/conf/domain_conf.h
> +++ b/src/conf/domain_conf.h
> @@ -279,8 +279,8 @@ struct _virDomainDeviceInfo {
>       * devices. */
>      int rombar;         /* enum virDomainPciRombarMode */
>      char *romfile;
> -    /* bootIndex is only user for disk, network interface, and
> -     * hostdev devices. */
> +    /* bootIndex is only used for disk, network interface, hostdev
> +     * and redirdev devices */
>      int bootIndex;
>  };
>  
> diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
> index 5ce93f2..6ce2638 100644
> --- a/src/qemu/qemu_capabilities.c
> +++ b/src/qemu/qemu_capabilities.c
> @@ -191,6 +191,8 @@ VIR_ENUM_IMPL(qemuCaps, QEMU_CAPS_LAST,
>                "vnc",
>  
>                "drive-mirror", /* 115 */
> +              "usb-redir.bootindex",
> +              "usb-host.bootindex",
>      );
>  
>  struct _qemuCaps {
> @@ -1325,6 +1327,11 @@ static struct qemuCapsStringFlags qemuCapsObjectPropsPixx4PM[] = {
>  
>  static struct qemuCapsStringFlags qemuCapsObjectPropsUsbRedir[] = {
>      { "filter", QEMU_CAPS_USB_REDIR_FILTER },
> +    { "bootindex", QEMU_CAPS_USB_REDIR_BOOTINDEX },
> +};
> +
> +static struct qemuCapsStringFlags qemuCapsObjectPropsUsbHost[] = {
> +    { "bootindex", QEMU_CAPS_USB_HOST_BOOTINDEX },
>  };
>  
>  struct qemuCapsObjectTypeProps {
> @@ -1350,6 +1357,8 @@ static struct qemuCapsObjectTypeProps qemuCapsObjectProps[] = {
>        ARRAY_CARDINALITY(qemuCapsObjectPropsPixx4PM) },
>      { "usb-redir", qemuCapsObjectPropsUsbRedir,
>        ARRAY_CARDINALITY(qemuCapsObjectPropsUsbRedir) },
> +    { "usb-host", qemuCapsObjectPropsUsbHost,
> +      ARRAY_CARDINALITY(qemuCapsObjectPropsUsbHost) },
>  };
>  
>  
> @@ -1545,6 +1554,7 @@ qemuCapsExtractDeviceStr(const char *qemu,
>                           "-device", "PIIX4_PM,?",
>                           "-device", "usb-redir,?",
>                           "-device", "ide-drive,?",
> +                         "-device", "usb-host,?",
>                           NULL);
>      /* qemu -help goes to stdout, but qemu -device ? goes to stderr.  */
>      virCommandSetErrorBuffer(cmd, &output);
> diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
> index fb88aa1..751b3ec 100644
> --- a/src/qemu/qemu_capabilities.h
> +++ b/src/qemu/qemu_capabilities.h
> @@ -153,6 +153,8 @@ enum qemuCapsFlags {
>      QEMU_CAPS_BLOCK_COMMIT       = 113, /* block-commit */
>      QEMU_CAPS_VNC                = 114, /* Is -vnc available? */
>      QEMU_CAPS_DRIVE_MIRROR       = 115, /* drive-mirror monitor command */
> +    QEMU_CAPS_USB_REDIR_BOOTINDEX = 116, /* usb-redir.bootindex */
> +    QEMU_CAPS_USB_HOST_BOOTINDEX = 117, /* usb-host.bootindex */
>  
>      QEMU_CAPS_LAST,                   /* this must always be the last item */
>  };
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index 440fd62..93079f3 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -3504,6 +3504,16 @@ qemuBuildRedirdevDevStr(virDomainDefPtr def,
>          }
>      }
>  
> +    if (dev->info.bootIndex) {
> +        if (!qemuCapsGet(caps, QEMU_CAPS_USB_REDIR_BOOTINDEX)) {
> +            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> +                           _("USB redirection booting is not "
> +                             "supported by this version of QEMU"));
> +            goto error;
> +        }
> +        virBufferAsprintf(&buf, ",bootindex=%d", dev->info.bootIndex);
> +    }
> +
>      if (qemuBuildDeviceAddressStr(&buf, &dev->info, caps) < 0)
>          goto error;
>  
> @@ -3540,6 +3550,8 @@ qemuBuildUSBHostdevDevStr(virDomainHostdevDefPtr dev,
>                            dev->source.subsys.u.usb.device);
>      }
>      virBufferAsprintf(&buf, ",id=%s", dev->info->alias);
> +    if (dev->info->bootIndex)
> +        virBufferAsprintf(&buf, ",bootindex=%d", dev->info->bootIndex);
>  
>      if (qemuBuildDeviceAddressStr(&buf, dev->info, caps) < 0)
>          goto error;
> @@ -6439,16 +6451,27 @@ qemuBuildCommandLine(virConnectPtr conn,
>  
>          if (hostdev->info->bootIndex) {
>              if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS ||
> -                hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI) {
> +                (hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI &&
> +                hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB)) {
>                  virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
>                                 _("booting from assigned devices is only"
> -                                 " supported for PCI devices"));
> -                goto error;
> -            } else if (!qemuCapsGet(caps, QEMU_CAPS_PCI_BOOTINDEX)) {
> -                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> -                               _("booting from assigned PCI devices is not"
> -                                 " supported with this version of qemu"));
> +                                 " supported for PCI and USB devices"));
>                  goto error;
> +            } else {
> +                if (hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI &&
> +                    !qemuCapsGet(caps, QEMU_CAPS_PCI_BOOTINDEX)) {
> +                    virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> +                                   _("booting from assigned PCI devices is not"
> +                                     " supported with this version of qemu"));
> +                    goto error;
> +                }
> +                if (hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB &&
> +                    !qemuCapsGet(caps, QEMU_CAPS_USB_HOST_BOOTINDEX)) {
> +                    virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> +                                   _("booting from assigned USB devices is not"
> +                                     " supported with this version of qemu"));
> +                    goto error;
> +                }
>              }
>          }
>  
> 


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