mirror of
https://gitlab.com/libvirt/libvirt.git
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144 lines
3.3 KiB
C
144 lines
3.3 KiB
C
/*
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* bhyve_capabilities.c: bhyve capabilities module
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*
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* Copyright (C) 2014 Roman Bogorodskiy
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* Copyright (C) 2014 Semihalf
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*/
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#include <config.h>
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#include <sys/utsname.h>
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#include "viralloc.h"
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#include "virfile.h"
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#include "virlog.h"
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#include "virstring.h"
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#include "cpu/cpu.h"
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#include "nodeinfo.h"
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#include "bhyve_utils.h"
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#include "domain_conf.h"
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#include "vircommand.h"
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#include "bhyve_capabilities.h"
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#define VIR_FROM_THIS VIR_FROM_BHYVE
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VIR_LOG_INIT("bhyve.bhyve_capabilities");
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static int
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virBhyveCapsInitCPU(virCapsPtr caps,
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virArch arch)
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{
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virCPUDefPtr cpu = NULL;
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virCPUDataPtr data = NULL;
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virNodeInfo nodeinfo;
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int ret = -1;
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if (VIR_ALLOC(cpu) < 0)
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goto error;
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cpu->arch = arch;
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if (nodeGetInfo(&nodeinfo))
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goto error;
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cpu->type = VIR_CPU_TYPE_HOST;
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cpu->sockets = nodeinfo.sockets;
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cpu->cores = nodeinfo.cores;
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cpu->threads = nodeinfo.threads;
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caps->host.cpu = cpu;
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if (!(data = cpuNodeData(arch)) ||
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cpuDecode(cpu, data, NULL, 0, NULL) < 0)
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goto cleanup;
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ret = 0;
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cleanup:
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cpuDataFree(data);
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return ret;
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error:
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virCPUDefFree(cpu);
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goto cleanup;
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}
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virCapsPtr
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virBhyveCapsBuild(void)
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{
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virCapsPtr caps;
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virCapsGuestPtr guest;
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if ((caps = virCapabilitiesNew(virArchFromHost(),
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false, false)) == NULL)
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return NULL;
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if ((guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM,
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VIR_ARCH_X86_64,
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"bhyve",
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NULL, 0, NULL)) == NULL)
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goto error;
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if (virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_BHYVE,
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NULL, NULL, 0, NULL) == NULL)
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goto error;
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if (virBhyveCapsInitCPU(caps, virArchFromHost()) < 0)
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VIR_WARN("Failed to get host CPU");
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return caps;
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error:
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virObjectUnref(caps);
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return NULL;
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}
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int
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virBhyveProbeGrubCaps(virBhyveGrubCapsFlags *caps)
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{
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char *binary, *help;
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virCommandPtr cmd;
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int ret, exit;
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ret = 0;
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*caps = 0;
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cmd = NULL;
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help = NULL;
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binary = virFindFileInPath("grub-bhyve");
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if (binary == NULL)
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goto out;
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if (!virFileIsExecutable(binary))
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goto out;
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cmd = virCommandNew(binary);
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virCommandAddArg(cmd, "--help");
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virCommandSetOutputBuffer(cmd, &help);
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if (virCommandRun(cmd, &exit) < 0) {
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ret = -1;
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goto out;
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}
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if (strstr(help, "--cons-dev") != NULL)
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*caps |= BHYVE_GRUB_CAP_CONSDEV;
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out:
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VIR_FREE(help);
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virCommandFree(cmd);
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VIR_FREE(binary);
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return ret;
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}
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