On 06.02.2017 13:19, Erik Skultety wrote:
> A mediated device will be identified by the host PCI address of the
> parent physical device which is backing the given mediated device, and a
> UUID of the user pre-created mediated device. The data necessary to
> identify a mediated device can be easily extended in the future, once we
> need to enable managed='yes' in which case a hint from the upper
> management layer about which mediated device type (e.g. vGPU type)
> should an instance be created on.
>
> Signed-off-by: Erik Skultety <eskultet@xxxxxxxxxx>
> ---
> src/conf/domain_conf.c | 7 ++++++-
> src/conf/domain_conf.h | 10 ++++++++++
> src/qemu/qemu_cgroup.c | 5 +++++
> src/qemu/qemu_domain.c | 1 +
> src/qemu/qemu_hotplug.c | 2 ++
> src/security/security_apparmor.c | 3 +++
> src/security/security_dac.c | 2 ++
> src/security/security_selinux.c | 2 ++
> tests/domaincapsschemadata/full.xml | 1 +
> 9 files changed, 32 insertions(+), 1 deletion(-)
>
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index c06b128..38ffc95 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -649,7 +649,8 @@ VIR_ENUM_IMPL(virDomainHostdevSubsys, VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_LAST,
> "usb",
> "pci",
> "scsi",
> - "scsi_host")
> + "scsi_host",
> + "mdev")
>
> VIR_ENUM_IMPL(virDomainHostdevSubsysPCIBackend,
> VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_LAST,
> @@ -6453,6 +6454,8 @@ virDomainHostdevDefParseXMLSubsys(xmlNodePtr node,
> if (virDomainHostdevSubsysSCSIVHostDefParseXML(sourcenode, def) < 0)
> goto error;
> break;
> + case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_MDEV:
> + break;
>
> default:
> virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> @@ -13281,6 +13284,7 @@ virDomainHostdevDefParseXML(virDomainXMLOptionPtr xmlopt,
> }
> break;
> case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB:
> + case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_MDEV:
> case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_LAST:
> break;
> }
> @@ -14172,6 +14176,7 @@ virDomainHostdevMatchSubsys(virDomainHostdevDefPtr a,
> return 1;
> else
> return 0;
> + case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_MDEV:
> case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_LAST:
> return 0;
> }
> diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
> index 507ace8..3a1009a 100644
> --- a/src/conf/domain_conf.h
> +++ b/src/conf/domain_conf.h
> @@ -54,6 +54,7 @@
> # include "virgic.h"
> # include "virperf.h"
> # include "virtypedparam.h"
> +# include "virpci.h"
>
> /* forward declarations of all device types, required by
> * virDomainDeviceDef
> @@ -295,6 +296,7 @@ typedef enum {
> VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI,
> VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI,
> VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI_HOST,
> + VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_MDEV,
>
> VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_LAST
> } virDomainHostdevSubsysType;
> @@ -369,6 +371,13 @@ struct _virDomainHostdevSubsysSCSI {
> } u;
> };
>
> +typedef struct _virDomainHostdevSubsysMediatedDev virDomainHostdevSubsysMediatedDev;
> +typedef virDomainHostdevSubsysMediatedDev *virDomainHostdevSubsysMediatedDevPtr;
> +struct _virDomainHostdevSubsysMediatedDev {
> + virPCIDeviceAddress addr; /* parent device's host address */
> + char uuidstr[VIR_UUID_STRING_BUFLEN]; /* mediated device's uuid string */
Either this or VIR_UUID_BUFLEN for storing UUID in raw format, which is
what we typically do. But I don't care that much.
> +};
> +
Michal
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