Re: [PATCH v2 05/10] hyperv: implement connectGetCapabilities

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On Mon, Oct 5, 2020 at 12:21 PM Matt Coleman <mcoleman@xxxxxxxxx> wrote:
>
> Co-authored-by: Sri Ramanujam <sramanujam@xxxxxxxxx>
> Signed-off-by: Matt Coleman <matt@xxxxxxxxx>
> ---
>  src/hyperv/hyperv_driver.c  | 90 +++++++++++++++++++++++++++++++++++++
>  src/hyperv/hyperv_private.h |  2 +
>  2 files changed, 92 insertions(+)
>
> diff --git a/src/hyperv/hyperv_driver.c b/src/hyperv/hyperv_driver.c
> index 3e4563252e..93e08c54c0 100644
> --- a/src/hyperv/hyperv_driver.c
> +++ b/src/hyperv/hyperv_driver.c
> @@ -36,6 +36,7 @@
>  #include "openwsman.h"
>  #include "virstring.h"
>  #include "virkeycode.h"
> +#include "domain_conf.h"
>
>  #define VIR_FROM_THIS VIR_FROM_HYPERV
>
> @@ -283,6 +284,76 @@ hypervGetMemSDByVSSDInstanceId(hypervPrivate *priv, const char *id,
>
>
>
> +/*
> + * API-specific utility functions
> + */
> +
> +static int
> +hypervLookupHostSystemBiosUuid(hypervPrivate *priv, unsigned char *uuid)
> +{
> +    Win32_ComputerSystemProduct *computerSystem = NULL;
> +    g_auto(virBuffer) query = VIR_BUFFER_INITIALIZER;
> +    int result = -1;
> +
> +    virBufferAddLit(&query, WIN32_COMPUTERSYSTEMPRODUCT_WQL_SELECT);
> +    if (hypervGetWmiClass(Win32_ComputerSystemProduct, &computerSystem) < 0)
> +        goto cleanup;
> +
> +    if (virUUIDParse(computerSystem->data.common->UUID, uuid) < 0) {
> +        virReportError(VIR_ERR_INTERNAL_ERROR,
> +                       _("Could not parse UUID from string '%s'"),
> +                       computerSystem->data.common->UUID);
> +        goto cleanup;
> +    }
> +    result = 0;
> +
> + cleanup:
> +    hypervFreeObject(priv, (hypervObject *) computerSystem);
> +
> +    return result;
> +}
> +
> +static virCapsPtr
> +hypervCapsInit(hypervPrivate *priv)
> +{
> +    virCapsPtr caps = NULL;
> +    virCapsGuestPtr guest = NULL;
> +
> +    caps = virCapabilitiesNew(VIR_ARCH_X86_64, 1, 1);
> +
> +    if (!caps)
> +        return NULL;
> +
> +    if (hypervLookupHostSystemBiosUuid(priv, caps->host.host_uuid) < 0)
> +        goto error;
> +
> +    /* i686 caps */
> +    guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_I686,
> +                                    NULL, NULL, 0, NULL);
> +    if (!guest)
> +        goto error;
> +
> +    if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_HYPERV, NULL, NULL, 0, NULL))
> +        goto error;
> +
> +    /* x86_64 caps */
> +    guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_X86_64,
> +                                    NULL, NULL, 0, NULL);
> +    if (!guest)
> +        goto error;
> +
> +    if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_HYPERV, NULL, NULL, 0, NULL))
> +        goto error;
> +
> +    return caps;
> +
> + error:
> +    virObjectUnref(caps);
> +    return NULL;
> +}
> +
> +
> +
>  /*
>   * Driver functions
>   */
> @@ -298,6 +369,9 @@ hypervFreePrivate(hypervPrivate **priv)
>          wsmc_release((*priv)->client);
>      }
>
> +    if ((*priv)->caps)
> +        virObjectUnref((*priv)->caps);
> +
>      hypervFreeParsedUri(&(*priv)->parsedUri);
>      VIR_FREE(*priv);
>  }
> @@ -408,6 +482,11 @@ hypervConnectOpen(virConnectPtr conn, virConnectAuthPtr auth,
>      if (hypervInitConnection(conn, priv, username, password) < 0)
>          goto cleanup;
>
> +    /* set up capabilities */
> +    priv->caps = hypervCapsInit(priv);
> +    if (!priv->caps)
> +        goto cleanup;
> +
>      conn->privateData = priv;
>      priv = NULL;
>      result = VIR_DRV_OPEN_SUCCESS;
> @@ -464,6 +543,16 @@ hypervConnectGetHostname(virConnectPtr conn)
>
>
>
> +static char*
> +hypervConnectGetCapabilities(virConnectPtr conn)
> +{
> +    hypervPrivate *priv = conn->privateData;
> +
> +    return virCapabilitiesFormatXML(priv->caps);
> +}
> +
> +
> +
>  static int
>  hypervNodeGetInfo(virConnectPtr conn, virNodeInfoPtr info)
>  {
> @@ -1601,6 +1690,7 @@ static virHypervisorDriver hypervHypervisorDriver = {
>      .connectGetType = hypervConnectGetType, /* 0.9.5 */
>      .connectGetHostname = hypervConnectGetHostname, /* 0.9.5 */
>      .nodeGetInfo = hypervNodeGetInfo, /* 0.9.5 */
> +    .connectGetCapabilities = hypervConnectGetCapabilities, /* 6.9.0 */
>      .connectListDomains = hypervConnectListDomains, /* 0.9.5 */
>      .connectNumOfDomains = hypervConnectNumOfDomains, /* 0.9.5 */
>      .connectListAllDomains = hypervConnectListAllDomains, /* 0.10.2 */
> diff --git a/src/hyperv/hyperv_private.h b/src/hyperv/hyperv_private.h
> index b502e71d83..cf08bf542b 100644
> --- a/src/hyperv/hyperv_private.h
> +++ b/src/hyperv/hyperv_private.h
> @@ -26,6 +26,7 @@
>  #include "virerror.h"
>  #include "hyperv_util.h"
>  #include "openwsman.h"
> +#include "capabilities.h"
>
>  typedef enum _hypervWmiVersion hypervWmiVersion;
>  enum _hypervWmiVersion {
> @@ -38,4 +39,5 @@ struct _hypervPrivate {
>      hypervParsedUri *parsedUri;
>      WsManClient *client;
>      hypervWmiVersion wmiVersion;
> +    virCapsPtr caps;
>  };
> --
> 2.27.0
>
>

Reviewed-by: Neal Gompa <ngompa13@xxxxxxxxx>


-- 
真実はいつも一つ!/ Always, there's only one truth!





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