Re: [libvirt] [PATCH v2 4/5] qemu: Process the hostdev "rawio" setting

Mimic the "Disk" processing for 'rawio', but for a scsi_host hostdev lun device. Signed-off-by: John Ferlan <jferlan(a)redhat.com&gt; --- src/qemu/qemu_domain.c | 18 ++++++++++++++++++ src/qemu/qemu_domain.h | 4 ++++ src/qemu/qemu_driver.c | 1 + src/qemu/qemu_process.c | 19 +++++++++++++++++++ 4 files changed, 42 insertions(+)

@@ -4376,6 +4378,23 @@ int qemuProcessStart(virConnectPtr conn, goto cleanup; } + /* If rawio not already set, check hostdevs as well */ + if (!rawio_set) { + for (i = 0; i < vm->def->nhostdevs; i++) { + virDomainHostdevSubsysSCSIPtr scsisrc = + &vm->def->hostdevs[i]->source.subsys.u.scsi; + if (scsisrc->rawio == VIR_TRISTATE_BOOL_YES) { +#ifdef CAP_SYS_RAWIO + virCommandAllowCap(cmd, CAP_SYS_RAWIO);

+#else + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("Raw I/O is not supported on this platform")); + goto cleanup; +#endif + } + } + } + virCommandSetPreExecHook(cmd, qemuProcessHook, &hookData); virCommandSetMaxProcesses(cmd, cfg->maxProcesses); virCommandSetMaxFiles(cmd, cfg->maxFiles);