[libvirt] [PATCHv2 2/3] bhyve: create capabilities submodule

Michal Privoznik mprivozn at redhat.com
Mon Apr 7 13:42:24 UTC 2014


On 07.04.2014 07:06, Wojciech Macek wrote:
> - Move all capabilities functions to separate file
> - Add initCPU
> ---
>   src/Makefile.am                |   2 +
>   src/bhyve/bhyve_capabilities.c | 105 +++++++++++++++++++++++++++++++++++++++++
>   src/bhyve/bhyve_capabilities.h |  30 ++++++++++++
>   src/bhyve/bhyve_driver.c       |  56 +++++++++++++---------
>   4 files changed, 171 insertions(+), 22 deletions(-)
>   create mode 100644 src/bhyve/bhyve_capabilities.c
>   create mode 100644 src/bhyve/bhyve_capabilities.h
>
> diff --git a/src/Makefile.am b/src/Makefile.am
> index f6690b6..21d56fc 100644
> --- a/src/Makefile.am
> +++ b/src/Makefile.am
> @@ -778,6 +778,8 @@ PARALLELS_DRIVER_SOURCES =					\
>   		parallels/parallels_network.c
>
>   BHYVE_DRIVER_SOURCES =						\
> +		bhyve/bhyve_capabilities.c			\
> +		bhyve/bhyve_capabilities.h			\
>   		bhyve/bhyve_command.c				\
>   		bhyve/bhyve_command.h				\
>   		bhyve/bhyve_driver.h				\
> diff --git a/src/bhyve/bhyve_capabilities.c b/src/bhyve/bhyve_capabilities.c
> new file mode 100644
> index 0000000..b591357
> --- /dev/null
> +++ b/src/bhyve/bhyve_capabilities.c
> @@ -0,0 +1,105 @@
> +/*
> + * bhyve_capabilities.c: bhyve capabilities module
> + *
> + * Copyright (C) 2014 Roman Bogorodskiy
> + *
> + * This library is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation; either
> + * version 2.1 of the License, or (at your option) any later version.
> + *
> + * This library 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
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with this library.  If not, see
> + * <http://www.gnu.org/licenses/>.
> + *
> + */
> +#include <config.h>
> +#include <sys/utsname.h>
> +
> +#include "viralloc.h"
> +#include "virlog.h"
> +#include "virstring.h"
> +#include "cpu/cpu.h"
> +#include "nodeinfo.h"
> +#include "bhyve_utils.h"
> +#include "domain_conf.h"
> +#include "vircommand.h"
> +#include "bhyve_capabilities.h"
> +
> +#define VIR_FROM_THIS   VIR_FROM_BHYVE
> +
> +VIR_LOG_INIT("bhyve.bhyve_capabilities");
> +
> +static int
> +virBhyveCapsInitCPU(virCapsPtr caps,
> +                  virArch arch)
> +{
> +    virCPUDefPtr cpu = NULL;
> +    virCPUDataPtr data = NULL;
> +    virNodeInfo nodeinfo;
> +    int ret = -1;
> +
> +    if (VIR_ALLOC(cpu) < 0)
> +        goto error;
> +
> +    cpu->arch = arch;
> +
> +    if (nodeGetInfo(&nodeinfo))
> +        goto error;
> +
> +    cpu->type = VIR_CPU_TYPE_HOST;
> +    cpu->sockets = nodeinfo.sockets;
> +    cpu->cores = nodeinfo.cores;
> +    cpu->threads = nodeinfo.threads;
> +    caps->host.cpu = cpu;
> +
> +    if (!(data = cpuNodeData(arch))
> +        || cpuDecode(cpu, data, NULL, 0, NULL) < 0)
> +        goto cleanup;
> +
> +    ret = 0;
> +
> + cleanup:
> +    cpuDataFree(data);
> +
> +    return ret;
> +
> + error:
> +    virCPUDefFree(cpu);
> +    goto cleanup;
> +}
> +
> +virCapsPtr
> +virBhyveCapsBuild(void)
> +{
> +    virCapsPtr caps;
> +    virCapsGuestPtr guest;
> +
> +    if ((caps = virCapabilitiesNew(virArchFromHost(),
> +                                   0, 0)) == NULL)
> +        return NULL;
> +
> +    if ((guest = virCapabilitiesAddGuest(caps, "hvm",
> +                                         VIR_ARCH_X86_64,
> +                                         "bhyve",
> +                                         NULL, 0, NULL)) == NULL)
> +        goto error;
> +
> +    if (virCapabilitiesAddGuestDomain(guest,
> +                                      "bhyve", NULL, NULL, 0, NULL) == NULL)
> +        goto error;
> +
> +    if (virBhyveCapsInitCPU(caps, virArchFromHost()) < 0)
> +            VIR_WARN("Failed to get host CPU");
> +
> +    return caps;
> +
> + error:
> +    virObjectUnref(caps);
> +    return NULL;
> +}
> diff --git a/src/bhyve/bhyve_capabilities.h b/src/bhyve/bhyve_capabilities.h
> new file mode 100644
> index 0000000..741c631
> --- /dev/null
> +++ b/src/bhyve/bhyve_capabilities.h
> @@ -0,0 +1,30 @@
> +/*
> + * bhyve_capabilities.h: bhyve capabilities module
> + *
> + * Copyright (C) 2014 Semihalf
> + *
> + * This library is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation; either
> + * version 2.1 of the License, or (at your option) any later version.
> + *
> + * This library 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
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with this library.  If not, see
> + * <http://www.gnu.org/licenses/>.
> + *
> + */
> +
> +#ifndef _BHYVE_CAPABILITIES
> +#define _BHYVE_CAPABILITIES
> +
> +#include "capabilities.h"

There need to be a space after hash tag.

> +
> +virCapsPtr virBhyveCapsBuild(void);
> +
> +#endif
> +

Empty line at EOF.

> diff --git a/src/bhyve/bhyve_driver.c b/src/bhyve/bhyve_driver.c
> index f70eff5..728ab2b 100644
> --- a/src/bhyve/bhyve_driver.c
> +++ b/src/bhyve/bhyve_driver.c
> @@ -54,6 +54,7 @@
>   #include "bhyve_driver.h"
>   #include "bhyve_process.h"
>   #include "bhyve_utils.h"
> +#include "bhyve_capabilities.h"
>
>   #define VIR_FROM_THIS   VIR_FROM_BHYVE
>
> @@ -111,44 +112,49 @@ bhyveAutostartDomains(bhyveConnPtr driver)
>       virObjectUnref(conn);
>   }
>
> +/**
> + * bhyveDriverGetCapabilities:
> + *
> + * Get a reference to the virCapsPtr instance for the
> + * driver.
> + *
> + * The caller must release the reference with virObjetUnref
> + *
> + * Returns: a reference to a virCapsPtr instance or NULL
> + */
>   static virCapsPtr
> -bhyveBuildCapabilities(void)
> +bhyveDriverGetCapabilities(bhyveConnPtr driver)
>   {
> -    virCapsPtr caps;
> -    virCapsGuestPtr guest;
> +    virCapsPtr ret = NULL;
>
> -    if ((caps = virCapabilitiesNew(virArchFromHost(),
> -                                   0, 0)) == NULL)
> +    if(driver == NULL)

missing space between 'if' and bracket.

>           return NULL;
>
> -    if ((guest = virCapabilitiesAddGuest(caps, "hvm",
> -                                         VIR_ARCH_X86_64,
> -                                         "bhyve",
> -                                         NULL, 0, NULL)) == NULL)
> -        goto error;
> +    ret = virObjectRef(driver->caps);
>
> -    if (virCapabilitiesAddGuestDomain(guest,
> -                                      "bhyve", NULL, NULL, 0, NULL) == NULL)
> -        goto error;
> -
> -    return caps;
> -
> - error:
> -    virObjectUnref(caps);
> -    return NULL;
> +    return ret;
>   }
>
>   static char *
>   bhyveConnectGetCapabilities(virConnectPtr conn)
>   {
>       bhyveConnPtr privconn = conn->privateData;
> +    virCapsPtr caps;
>       char *xml;
>
>       if (virConnectGetCapabilitiesEnsureACL(conn) < 0)
>           return NULL;
>
> -    if ((xml = virCapabilitiesFormatXML(privconn->caps)) == NULL)
> +    caps = bhyveDriverGetCapabilities(privconn);
> +    if (!caps)
> +        virReportError(VIR_ERR_INTERNAL_ERROR,

s/,/, "%s"/

> +                       _("Unable to get Capabilities"));
> +
> +    if ((xml = virCapabilitiesFormatXML(privconn->caps)) == NULL) {
> +        virObjectUnref(caps);
>           virReportOOMError();
> +    }
> +    virObjectUnref(caps);
>
>       return xml;
>   }
> @@ -448,8 +454,13 @@ bhyveDomainDefineXML(virConnectPtr conn, const char *xml)
>       virDomainDefPtr def = NULL;
>       virDomainDefPtr oldDef = NULL;
>       virDomainObjPtr vm = NULL;
> +    virCapsPtr caps = NULL;
> +
> +    caps = bhyveDriverGetCapabilities(privconn);
> +    if (!caps)
> +        return NULL;
>
> -    if ((def = virDomainDefParseString(xml, privconn->caps, privconn->xmlopt,
> +    if ((def = virDomainDefParseString(xml, caps, privconn->xmlopt,
>                                          1 << VIR_DOMAIN_VIRT_BHYVE,
>                                          VIR_DOMAIN_XML_INACTIVE)) == NULL)
>           goto cleanup;
> @@ -472,6 +483,7 @@ bhyveDomainDefineXML(virConnectPtr conn, const char *xml)
>           goto cleanup;
>
>    cleanup:
> +    virObjectUnref(caps);
>       virDomainDefFree(def);
>       virObjectUnlock(vm);
>
> @@ -869,7 +881,7 @@ bhyveStateInitialize(bool priveleged ATTRIBUTE_UNUSED,
>       if (!(bhyve_driver->closeCallbacks = virCloseCallbacksNew()))
>           goto cleanup;
>
> -    if (!(bhyve_driver->caps = bhyveBuildCapabilities()))
> +    if (!(bhyve_driver->caps = virBhyveCapsBuild()))
>           goto cleanup;
>
>       if (!(bhyve_driver->xmlopt = virDomainXMLOptionNew(NULL, NULL, NULL)))
>

You can catch many of these by running 'make syntax-check'.

Michal




More information about the libvir-list mailing list