mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-08-27 19:11:16 +00:00
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
1038 lines
30 KiB
C
1038 lines
30 KiB
C
#include <config.h>
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#ifdef WITH_QEMU
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# include "testutilsqemu.h"
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# include "testutilsqemuschema.h"
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# include "testutilshostcpus.h"
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# include "testutils.h"
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# include "viralloc.h"
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# include "cpu_conf.h"
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# include "qemu/qemu_domain.h"
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# define LIBVIRT_QEMU_CAPSPRIV_H_ALLOW
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# include "qemu/qemu_capspriv.h"
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# include "virstring.h"
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# include "virfilecache.h"
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# include "virtpm.h"
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# include <sys/types.h>
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# include <fcntl.h>
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# define VIR_FROM_THIS VIR_FROM_QEMU
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static virCPUDef *cpuDefault;
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static virCPUDef *cpuHaswell;
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static virCPUDef *cpuPower8;
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static virCPUDef *cpuPower9;
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static virCPUDef *cpuPower10;
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char *
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virFindFileInPath(const char *file)
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{
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if (g_str_has_prefix(file, "qemu-system") ||
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g_str_equal(file, "qemu-kvm")) {
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return g_strdup_printf("/usr/bin/%s", file);
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}
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/* Nothing in tests should be relying on real files
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* in host OS, so we return NULL to try to force
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* an error in such a case
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*/
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return NULL;
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}
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/* Enough to tell capabilities code that swtpm is usable */
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bool virTPMHasSwtpm(void)
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{
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return true;
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}
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bool
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virTPMSwtpmSetupCapsGet(virTPMSwtpmSetupFeature cap)
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{
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const char *tpmver = getenv(TEST_TPM_ENV_VAR);
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switch (cap) {
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case VIR_TPM_SWTPM_SETUP_FEATURE_TPM_1_2:
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if (!tpmver || (tpmver && strstr(tpmver, TPM_VER_1_2)))
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return true;
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break;
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case VIR_TPM_SWTPM_SETUP_FEATURE_TPM_2_0:
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if (!tpmver || (tpmver && strstr(tpmver, TPM_VER_2_0)))
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return true;
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break;
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case VIR_TPM_SWTPM_SETUP_FEATURE_CMDARG_PWDFILE_FD:
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case VIR_TPM_SWTPM_SETUP_FEATURE_CMDARG_CREATE_CONFIG_FILES:
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case VIR_TPM_SWTPM_SETUP_FEATURE_TPM12_NOT_NEED_ROOT:
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case VIR_TPM_SWTPM_SETUP_FEATURE_CMDARG_RECONFIGURE_PCR_BANKS:
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case VIR_TPM_SWTPM_SETUP_FEATURE_LAST:
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break;
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}
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return false;
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}
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virCapsHostNUMA *
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virCapabilitiesHostNUMANewHost(void)
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{
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/*
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* Build a NUMA topology with cell_id (NUMA node id
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* being 3(0 + 3),4(1 + 3), 5 and 6
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*/
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return virTestCapsBuildNUMATopology(3);
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}
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void
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virHostCPUX86GetCPUID(uint32_t leaf,
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uint32_t extended,
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uint32_t *eax,
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uint32_t *ebx,
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uint32_t *ecx,
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uint32_t *edx)
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{
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if (eax)
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*eax = 0;
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if (ebx)
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*ebx = 0;
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if (ecx)
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*ecx = 0;
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if (edx)
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*edx = 0;
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if (leaf == 0x8000001F && extended == 0) {
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if (ecx)
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*ecx = 509;
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if (edx)
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*edx = 451;
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}
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}
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static virCaps *
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testQemuCapsInit(void)
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{
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virCaps *caps;
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if (!(caps = virCapabilitiesNew(VIR_ARCH_X86_64, false, false)))
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return NULL;
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/* Add dummy 'none' security_driver. This is equal to setting
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* security_driver = "none" in qemu.conf. */
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caps->host.secModels = g_new0(virCapsHostSecModel, 1);
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caps->host.nsecModels = 1;
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caps->host.secModels[0].model = g_strdup("none");
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caps->host.secModels[0].doi = g_strdup("0");
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if (!(caps->host.numa = virCapabilitiesHostNUMANewHost()))
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goto cleanup;
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if (virTestGetDebug()) {
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g_autofree char *caps_str = NULL;
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caps_str = virCapabilitiesFormatXML(caps);
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if (!caps_str)
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goto cleanup;
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VIR_TEST_DEBUG("QEMU driver capabilities:\n%s", caps_str);
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}
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return caps;
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cleanup:
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caps->host.cpu = NULL;
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virObjectUnref(caps);
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return NULL;
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}
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virCPUDef *
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qemuTestGetCPUDef(qemuTestCPUDef d)
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{
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switch (d) {
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case QEMU_CPU_DEF_DEFAULT: return cpuDefault;
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case QEMU_CPU_DEF_HASWELL: return cpuHaswell;
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case QEMU_CPU_DEF_POWER8: return cpuPower8;
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case QEMU_CPU_DEF_POWER9: return cpuPower9;
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case QEMU_CPU_DEF_POWER10: return cpuPower10;
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}
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return NULL;
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}
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void
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qemuTestSetHostArch(virQEMUDriver *driver,
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virArch arch)
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{
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if (arch == VIR_ARCH_NONE)
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arch = VIR_ARCH_X86_64;
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virTestSetHostArch(arch);
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driver->hostarch = virArchFromHost();
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driver->caps->host.arch = virArchFromHost();
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qemuTestSetHostCPU(driver, arch, NULL);
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}
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void
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qemuTestSetHostCPU(virQEMUDriver *driver,
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virArch arch,
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virCPUDef *cpu)
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{
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if (!cpu) {
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if (ARCH_IS_X86(arch))
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cpu = cpuDefault;
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else if (ARCH_IS_PPC64(arch))
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cpu = cpuPower8;
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}
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g_unsetenv("VIR_TEST_MOCK_FAKE_HOST_CPU");
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if (cpu) {
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if (cpu->model)
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g_setenv("VIR_TEST_MOCK_FAKE_HOST_CPU", cpu->model, TRUE);
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}
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if (driver) {
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if (cpu)
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driver->caps->host.arch = cpu->arch;
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driver->caps->host.cpu = cpu;
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virCPUDefFree(driver->hostcpu);
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if (cpu)
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virCPUDefRef(cpu);
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driver->hostcpu = cpu;
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}
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}
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virQEMUCaps *
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qemuTestParseCapabilitiesArch(virArch arch,
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const char *capsFile)
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{
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g_autofree char *binary = g_strdup_printf("/usr/bin/qemu-system-%s",
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virArchToString(arch));
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g_autoptr(virQEMUCaps) qemuCaps = virQEMUCapsNewBinary(binary);
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if (virQEMUCapsLoadCache(arch, qemuCaps, capsFile, true) < 0)
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return NULL;
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return g_steal_pointer(&qemuCaps);
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}
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void qemuTestDriverFree(virQEMUDriver *driver)
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{
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virMutexDestroy(&driver->lock);
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if (driver->config) {
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virFileDeleteTree(driver->config->stateDir);
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virFileDeleteTree(driver->config->configDir);
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}
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virObjectUnref(driver->qemuCapsCache);
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virObjectUnref(driver->xmlopt);
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virObjectUnref(driver->caps);
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virObjectUnref(driver->config);
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virObjectUnref(driver->securityManager);
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virCPUDefFree(cpuDefault);
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virCPUDefFree(cpuHaswell);
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virCPUDefFree(cpuPower8);
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virCPUDefFree(cpuPower9);
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virCPUDefFree(cpuPower10);
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}
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static int
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qemuTestCapsCacheInsertData(virFileCache *cache,
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const char *binary,
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virQEMUCaps *caps)
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{
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if (virFileCacheInsertData(cache, binary, virObjectRef(caps)) < 0) {
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virObjectUnref(caps);
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return -1;
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}
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return 0;
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}
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int
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qemuTestCapsCacheInsert(virFileCache *cache,
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virQEMUCaps *caps)
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{
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/* At this point we support only real capabilities. */
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if (virQEMUCapsGetArch(caps) == VIR_ARCH_NONE ||
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!virQEMUCapsGetBinary(caps)) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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"missing 'arch' or 'binary' in qemuCaps to be inserted into testing cache");
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return -1;
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}
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if (qemuTestCapsCacheInsertData(cache, virQEMUCapsGetBinary(caps), caps) < 0)
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return -1;
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return 0;
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}
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# define STATEDIRTEMPLATE abs_builddir "/qemustatedir-XXXXXX"
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# define CONFIGDIRTEMPLATE abs_builddir "/qemuconfigdir-XXXXXX"
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int qemuTestDriverInit(virQEMUDriver *driver)
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{
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virQEMUDriverConfig *cfg = NULL;
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virSecurityManager *mgr = NULL;
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char statedir[] = STATEDIRTEMPLATE;
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char configdir[] = CONFIGDIRTEMPLATE;
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memset(driver, 0, sizeof(*driver));
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cpuDefault = virCPUDefCopy(&cpuDefaultData);
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cpuHaswell = virCPUDefCopy(&cpuHaswellData);
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cpuPower8 = virCPUDefCopy(&cpuPower8Data);
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cpuPower9 = virCPUDefCopy(&cpuPower9Data);
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cpuPower10 = virCPUDefCopy(&cpuPower10Data);
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if (virMutexInit(&driver->lock) < 0)
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return -1;
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driver->hostarch = virArchFromHost();
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cfg = virQEMUDriverConfigNew(false, NULL);
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if (!cfg)
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goto error;
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driver->config = cfg;
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/* Do this early so that qemuTestDriverFree() doesn't see (unlink) the real
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* dirs. */
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VIR_FREE(cfg->stateDir);
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VIR_FREE(cfg->configDir);
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/* Override paths to ensure predictable output
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*
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* FIXME Find a way to achieve the same result while avoiding
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* code duplication
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*/
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VIR_FREE(cfg->libDir);
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cfg->libDir = g_strdup("/var/lib/libvirt/qemu");
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VIR_FREE(cfg->channelTargetDir);
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cfg->channelTargetDir = g_strdup("/var/run/libvirt/qemu/channel");
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VIR_FREE(cfg->memoryBackingDir);
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cfg->memoryBackingDir = g_strdup("/var/lib/libvirt/qemu/ram");
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VIR_FREE(cfg->nvramDir);
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cfg->nvramDir = g_strdup("/var/lib/libvirt/qemu/nvram");
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VIR_FREE(cfg->passtStateDir);
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cfg->passtStateDir = g_strdup("/var/run/libvirt/qemu/passt");
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VIR_FREE(cfg->dbusStateDir);
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cfg->dbusStateDir = g_strdup("/var/run/libvirt/qemu/dbus");
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if (!g_mkdtemp(statedir)) {
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fprintf(stderr, "Cannot create fake stateDir");
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goto error;
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}
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cfg->stateDir = g_strdup(statedir);
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if (!g_mkdtemp(configdir)) {
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fprintf(stderr, "Cannot create fake configDir");
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goto error;
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}
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cfg->configDir = g_strdup(configdir);
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driver->caps = testQemuCapsInit();
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if (!driver->caps)
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goto error;
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/* Using /dev/null for libDir and cacheDir automatically produces errors
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* upon attempt to use any of them */
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driver->qemuCapsCache = virQEMUCapsCacheNew("/dev/null", "/dev/null", 0, 0);
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if (!driver->qemuCapsCache)
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goto error;
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driver->xmlopt = virQEMUDriverCreateXMLConf(driver, "none");
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if (!driver->xmlopt)
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goto error;
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if (!(mgr = virSecurityManagerNew("none", "qemu",
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VIR_SECURITY_MANAGER_PRIVILEGED)))
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goto error;
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if (!(driver->securityManager = virSecurityManagerNewStack(mgr)))
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goto error;
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qemuTestSetHostCPU(driver, driver->hostarch, NULL);
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VIR_FREE(cfg->vncTLSx509certdir);
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cfg->vncTLSx509certdir = g_strdup("/etc/pki/libvirt-vnc");
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VIR_FREE(cfg->spiceTLSx509certdir);
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cfg->spiceTLSx509certdir = g_strdup("/etc/pki/libvirt-spice");
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VIR_FREE(cfg->chardevTLSx509certdir);
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cfg->chardevTLSx509certdir = g_strdup("/etc/pki/libvirt-chardev");
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VIR_FREE(cfg->vxhsTLSx509certdir);
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cfg->vxhsTLSx509certdir = g_strdup("/etc/pki/libvirt-vxhs");
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VIR_FREE(cfg->nbdTLSx509certdir);
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cfg->nbdTLSx509certdir = g_strdup("/etc/pki/libvirt-nbd");
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VIR_FREE(cfg->migrateTLSx509certdir);
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cfg->migrateTLSx509certdir = g_strdup("/etc/pki/libvirt-migrate");
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VIR_FREE(cfg->backupTLSx509certdir);
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cfg->backupTLSx509certdir = g_strdup("/etc/pki/libvirt-backup");
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VIR_FREE(cfg->vncSASLdir);
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cfg->vncSASLdir = g_strdup("/etc/sasl2");
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VIR_FREE(cfg->spiceSASLdir);
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cfg->spiceSASLdir = g_strdup("/etc/sasl2");
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VIR_FREE(cfg->spicePassword);
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cfg->spicePassword = g_strdup("123456");
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VIR_FREE(cfg->hugetlbfs);
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cfg->hugetlbfs = g_new0(virHugeTLBFS, 2);
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cfg->nhugetlbfs = 2;
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cfg->hugetlbfs[0].mnt_dir = g_strdup("/dev/hugepages2M");
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cfg->hugetlbfs[1].mnt_dir = g_strdup("/dev/hugepages1G");
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cfg->hugetlbfs[0].size = 2048;
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cfg->hugetlbfs[0].deflt = true;
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cfg->hugetlbfs[1].size = 1048576;
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driver->privileged = true;
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return 0;
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error:
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virObjectUnref(mgr);
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qemuTestDriverFree(driver);
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return -1;
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}
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int
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testQemuCapsSetGIC(virQEMUCaps *qemuCaps,
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int gic)
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{
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virGICCapability *gicCapabilities = NULL;
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size_t ngicCapabilities = 0;
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gicCapabilities = g_new0(virGICCapability, 2);
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# define IMPL_BOTH \
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VIR_GIC_IMPLEMENTATION_KERNEL|VIR_GIC_IMPLEMENTATION_EMULATED
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if (gic & GIC_V2) {
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gicCapabilities[ngicCapabilities].version = VIR_GIC_VERSION_2;
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gicCapabilities[ngicCapabilities].implementation = IMPL_BOTH;
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ngicCapabilities++;
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}
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if (gic & GIC_V3) {
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gicCapabilities[ngicCapabilities].version = VIR_GIC_VERSION_3;
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gicCapabilities[ngicCapabilities].implementation = IMPL_BOTH;
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ngicCapabilities++;
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}
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# undef IMPL_BOTH
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virQEMUCapsSetGICCapabilities(qemuCaps,
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gicCapabilities, ngicCapabilities);
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return 0;
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}
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#endif
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struct testQemuCapsFile {
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unsigned long long ver;
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char *path;
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};
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static void
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testQemuCapsFileFree(struct testQemuCapsFile *f)
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{
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if (!f)
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return;
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g_free(f->path);
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g_free(f);
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}
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char *
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testQemuGetLatestCapsForArch(const char *arch,
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const char *suffix)
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{
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g_autoptr(GHashTable) caps = testQemuGetLatestCaps();
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struct testQemuCapsFile *f;
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if (!(f = g_hash_table_lookup(caps, arch))) {
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VIR_TEST_VERBOSE("failed to find capabilities for '%s' in '%s'",
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arch, TEST_QEMU_CAPS_PATH);
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return NULL;
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}
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if (STRNEQ(suffix, "xml")) {
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ignore_value(virStringStripSuffix(f->path, "xml"));
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return g_strdup_printf("%s%s", f->path, suffix);
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}
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return g_steal_pointer(&f->path);
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}
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GHashTable *
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testQemuGetLatestCaps(void)
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{
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g_autoptr(GHashTable) caps = virHashNew((GDestroyNotify)testQemuCapsFileFree);
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struct dirent *ent;
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g_autoptr(DIR) dir = NULL;
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int rc;
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if (virDirOpen(&dir, TEST_QEMU_CAPS_PATH) < 0)
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return NULL;
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while ((rc = virDirRead(dir, &ent, TEST_QEMU_CAPS_PATH)) > 0) {
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g_autofree char *version = NULL;
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char *arch = NULL;
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unsigned long long ver;
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struct testQemuCapsFile *f;
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if (!(version = g_strdup(STRSKIP(ent->d_name, "caps_"))))
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continue;
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if (!virStringStripSuffix(version, ".xml"))
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continue;
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if (!(arch = strchr(version, '_'))) {
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VIR_TEST_VERBOSE("malformed caps file name '%s'", ent->d_name);
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return NULL;
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}
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*arch = '\0';
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arch++;
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if (virStringParseVersion(&ver, version, false) < 0) {
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VIR_TEST_VERBOSE("malformed caps file name '%s'", ent->d_name);
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return NULL;
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}
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if (!(f = g_hash_table_lookup(caps, arch))) {
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VIR_TEST_DEBUG("CAPS: '%s': 'X' -> '%llu'", arch, ver);
|
|
f = g_new0(struct testQemuCapsFile, 1);
|
|
f->ver = ver;
|
|
f->path = g_strdup_printf("%s/%s", TEST_QEMU_CAPS_PATH, ent->d_name);
|
|
g_hash_table_insert(caps, g_strdup(arch), f);
|
|
continue;
|
|
}
|
|
|
|
if (f->ver < ver) {
|
|
VIR_TEST_DEBUG("CAPS: '%s': '%llu' -> '%llu'", arch, f->ver, ver);
|
|
f->ver = ver;
|
|
g_free(f->path);
|
|
f->path = g_strdup_printf("%s/%s", TEST_QEMU_CAPS_PATH, ent->d_name);
|
|
}
|
|
}
|
|
|
|
if (rc < 0)
|
|
return NULL;
|
|
|
|
return g_steal_pointer(&caps);
|
|
}
|
|
|
|
|
|
int
|
|
testQemuCapsIterate(const char *suffix,
|
|
testQemuCapsIterateCallback callback,
|
|
void *opaque)
|
|
{
|
|
struct dirent *ent;
|
|
g_autoptr(DIR) dir = NULL;
|
|
int rc;
|
|
bool fail = false;
|
|
|
|
if (!callback)
|
|
return 0;
|
|
|
|
/* Validate suffix */
|
|
if (!STRPREFIX(suffix, ".")) {
|
|
VIR_TEST_VERBOSE("malformed suffix '%s'", suffix);
|
|
return -1;
|
|
}
|
|
|
|
if (virDirOpen(&dir, TEST_QEMU_CAPS_PATH) < 0)
|
|
return -1;
|
|
|
|
while ((rc = virDirRead(dir, &ent, TEST_QEMU_CAPS_PATH)) > 0) {
|
|
g_autofree char *tmp = g_strdup(ent->d_name);
|
|
char *version = NULL;
|
|
char *archName = NULL;
|
|
g_autofree char *variant = NULL;
|
|
char *var;
|
|
|
|
/* Strip the trailing suffix, moving on if it's not present */
|
|
if (!virStringStripSuffix(tmp, suffix))
|
|
continue;
|
|
|
|
/* Strip the leading prefix */
|
|
if (!(version = STRSKIP(tmp, "caps_"))) {
|
|
VIR_TEST_VERBOSE("malformed file name '%s'", ent->d_name);
|
|
return -1;
|
|
}
|
|
|
|
/* Find the underscore separating version from arch */
|
|
if (!(archName = strchr(version, '_'))) {
|
|
VIR_TEST_VERBOSE("malformed file name '%s'", ent->d_name);
|
|
return -1;
|
|
}
|
|
|
|
/* The version number and the architecture name are separated by
|
|
* a underscore: overwriting that underscore with \0 results in both
|
|
* being usable as independent, null-terminated strings */
|
|
archName[0] = '\0';
|
|
archName++;
|
|
|
|
/* Find the 'variant' of the test and split it including the leading '+' */
|
|
if ((var = strchr(archName, '+'))) {
|
|
variant = g_strdup(var);
|
|
var[0] = '\0';
|
|
} else {
|
|
variant = g_strdup("");
|
|
}
|
|
|
|
/* Run the user-provided callback.
|
|
*
|
|
* We skip the dot that, as verified earlier, starts the suffix
|
|
* to make it nicer to rebuild the original file name from inside
|
|
* the callback.
|
|
*/
|
|
if (callback(TEST_QEMU_CAPS_PATH, "caps", version,
|
|
archName, variant, suffix + 1, opaque) < 0)
|
|
fail = true;
|
|
}
|
|
|
|
if (rc < 0 || fail)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
void
|
|
testQemuInfoSetArgs(struct testQemuInfo *info,
|
|
struct testQemuConf *conf, ...)
|
|
{
|
|
va_list argptr;
|
|
testQemuInfoArgName argname;
|
|
int flag;
|
|
|
|
info->conf = conf;
|
|
info->args.newargs = true;
|
|
|
|
va_start(argptr, conf);
|
|
while ((argname = va_arg(argptr, testQemuInfoArgName)) != ARG_END) {
|
|
switch (argname) {
|
|
case ARG_QEMU_CAPS:
|
|
if (!(info->args.fakeCapsAdd))
|
|
info->args.fakeCapsAdd = virBitmapNew(QEMU_CAPS_LAST);
|
|
|
|
while ((flag = va_arg(argptr, int)) < QEMU_CAPS_LAST)
|
|
ignore_value(virBitmapSetBit(info->args.fakeCapsAdd, flag));
|
|
break;
|
|
|
|
case ARG_QEMU_CAPS_DEL:
|
|
if (!(info->args.fakeCapsDel))
|
|
info->args.fakeCapsDel = virBitmapNew(QEMU_CAPS_LAST);
|
|
|
|
while ((flag = va_arg(argptr, int)) < QEMU_CAPS_LAST)
|
|
ignore_value(virBitmapSetBit(info->args.fakeCapsDel, flag));
|
|
break;
|
|
|
|
case ARG_GIC:
|
|
info->args.gic = va_arg(argptr, int);
|
|
break;
|
|
|
|
case ARG_MIGRATE_FROM:
|
|
info->migrateFrom = va_arg(argptr, char *);
|
|
break;
|
|
|
|
case ARG_MIGRATE_FD:
|
|
info->migrateFd = va_arg(argptr, int);
|
|
break;
|
|
|
|
case ARG_FLAGS:
|
|
info->flags = va_arg(argptr, int);
|
|
break;
|
|
|
|
case ARG_PARSEFLAGS:
|
|
info->parseFlags = va_arg(argptr, int);
|
|
break;
|
|
|
|
case ARG_CAPS_ARCH:
|
|
info->args.capsarch = va_arg(argptr, char *);
|
|
break;
|
|
|
|
case ARG_CAPS_VER:
|
|
info->args.capsver = va_arg(argptr, char *);
|
|
break;
|
|
|
|
case ARG_CAPS_VARIANT:
|
|
info->args.capsvariant = va_arg(argptr, char *);
|
|
break;
|
|
|
|
case ARG_CAPS_HOST_CPU_MODEL:
|
|
info->args.capsHostCPUModel = va_arg(argptr, int);
|
|
break;
|
|
|
|
case ARG_FD_GROUP: {
|
|
virStorageSourceFDTuple *new = virStorageSourceFDTupleNew();
|
|
const char *fdname = va_arg(argptr, char *);
|
|
VIR_AUTOCLOSE fakefd = open("/dev/zero", O_RDWR);
|
|
size_t i;
|
|
|
|
new->nfds = va_arg(argptr, unsigned int);
|
|
new->fds = g_new0(int, new->nfds);
|
|
new->testfds = g_new0(int, new->nfds);
|
|
|
|
for (i = 0; i < new->nfds; i++) {
|
|
new->testfds[i] = va_arg(argptr, unsigned int);
|
|
|
|
if (fcntl(new->testfds[i], F_GETFD) != -1) {
|
|
fprintf(stderr, "fd '%d' is already in use\n", new->fds[i]);
|
|
abort();
|
|
}
|
|
|
|
if ((new->fds[i] = dup(fakefd)) < 0) {
|
|
fprintf(stderr, "failed to duplicate fake fd: %s",
|
|
g_strerror(errno));
|
|
abort();
|
|
}
|
|
}
|
|
|
|
if (!info->args.fds)
|
|
info->args.fds = virHashNew(g_object_unref);
|
|
|
|
g_hash_table_insert(info->args.fds, g_strdup(fdname), new);
|
|
break;
|
|
}
|
|
|
|
case ARG_END:
|
|
default:
|
|
info->args.invalidarg = true;
|
|
break;
|
|
}
|
|
|
|
if (info->args.invalidarg)
|
|
break;
|
|
}
|
|
|
|
va_end(argptr);
|
|
}
|
|
|
|
|
|
/**
|
|
* See testQemuGetRealCaps, this helper returns the pointer to the virQEMUCaps
|
|
* object as stored in the cache hash table.
|
|
*/
|
|
static virQEMUCaps *
|
|
testQemuGetRealCapsInternal(const char *arch,
|
|
const char *version,
|
|
const char *variant,
|
|
GHashTable *capsLatestFiles,
|
|
GHashTable *capsCache,
|
|
GHashTable *schemaCache,
|
|
GHashTable **schema)
|
|
{
|
|
g_autofree char *capsfile = NULL;
|
|
bool stripmachinealiases = false;
|
|
virQEMUCaps *cachedcaps = NULL;
|
|
|
|
if (STREQ(version, "latest")) {
|
|
g_autofree char *archvariant = g_strdup_printf("%s%s", arch, variant);
|
|
struct testQemuCapsFile *f = g_hash_table_lookup(capsLatestFiles, archvariant);
|
|
|
|
if (!f) {
|
|
VIR_TEST_VERBOSE("'latest' caps for '%s' were not found\n", arch);
|
|
return NULL;
|
|
}
|
|
|
|
capsfile = g_strdup(f->path);
|
|
stripmachinealiases = true;
|
|
} else {
|
|
capsfile = g_strdup_printf("%s/caps_%s_%s%s.xml",
|
|
TEST_QEMU_CAPS_PATH,
|
|
version, arch, variant);
|
|
}
|
|
|
|
if (!g_hash_table_lookup_extended(capsCache, capsfile, NULL, (void **) &cachedcaps)) {
|
|
if (!(cachedcaps = qemuTestParseCapabilitiesArch(virArchFromString(arch), capsfile))) {
|
|
VIR_TEST_VERBOSE("Failed to parse qemu capabilities file '%s'", capsfile);
|
|
return NULL;
|
|
}
|
|
|
|
if (stripmachinealiases)
|
|
virQEMUCapsStripMachineAliases(cachedcaps);
|
|
|
|
g_hash_table_insert(capsCache, g_strdup(capsfile), cachedcaps);
|
|
}
|
|
|
|
/* strip 'xml' suffix so that we can format the file to '.replies' */
|
|
capsfile[strlen(capsfile) - 3] = '\0';
|
|
|
|
if (schemaCache && schema) {
|
|
g_autofree char *schemafile = g_strdup_printf("%sreplies", capsfile);
|
|
|
|
if (!g_hash_table_lookup_extended(schemaCache, schemafile, NULL, (void **) schema)) {
|
|
*schema = testQEMUSchemaLoad(schemafile);
|
|
g_hash_table_insert(schemaCache, g_strdup(schemafile), *schema);
|
|
}
|
|
}
|
|
|
|
return cachedcaps;
|
|
}
|
|
|
|
|
|
/**
|
|
* testQemuGetRealCaps:
|
|
*
|
|
* @arch: architecture to fetch caps for
|
|
* @version: qemu version to fetch caps for ("latest" for fetching the latest version from @capsLatestFiles)
|
|
* @variant: capabilities variant to fetch caps for
|
|
* @capsLatestFiles: hash table containing latest version of capabilities for the @arch+@variant tuple
|
|
* @capsCache: hash table filled with the cache of capabilities
|
|
* @schemaCache: hash table for caching QMP schemas (may be NULL, see below)
|
|
* @schema: Filled with the QMP schema (hash table) (may be NULL, see below)
|
|
*
|
|
* Fetches and returns the appropriate virQEMUCaps for the @arch+@version+@variant
|
|
* tuple. The returned pointer is a copy of the cached object and thus can
|
|
* be freely modified. Caller is responsible for freeing it.
|
|
*
|
|
* If @schemaCache and @schema are non-NULL, @schema is filled with with a
|
|
* pointer (borrowed from the cache) to the hash table representing the QEMU QMP
|
|
* schema used for validation of the monitor traffic.
|
|
*/
|
|
virQEMUCaps *
|
|
testQemuGetRealCaps(const char *arch,
|
|
const char *version,
|
|
const char *variant,
|
|
GHashTable *capsLatestFiles,
|
|
GHashTable *capsCache,
|
|
GHashTable *schemaCache,
|
|
GHashTable **schema)
|
|
{
|
|
virQEMUCaps *cachedcaps;
|
|
|
|
if (!(cachedcaps = testQemuGetRealCapsInternal(arch, version, variant,
|
|
capsLatestFiles, capsCache,
|
|
schemaCache, schema)))
|
|
return NULL;
|
|
|
|
return virQEMUCapsNewCopy(cachedcaps);
|
|
}
|
|
|
|
|
|
/**
|
|
* testQemuInsertRealCaps:
|
|
*
|
|
* @arch: architecture to fetch caps for
|
|
* @version: qemu version to fetch caps for ("latest" for fetching the latest version from @capsLatestFiles)
|
|
* @variant: capabilities variant to fetch caps for
|
|
* @capsLatestFiles: hash table containing latest version of capabilities for the @arch+@variant tuple
|
|
* @capsCache: hash table filled with the cache of capabilities
|
|
* @schemaCache: hash table for caching QMP schemas (may be NULL, see below)
|
|
* @schema: Filled with the QMP schema (hash table) (may be NULL, see below)
|
|
*
|
|
* Fetches and inserts into the test capability cache the appropriate virQEMUCaps
|
|
* for the @arch+@version+@variant tuple. Note that the data inserted into
|
|
* the cache is borrowed from the cache thus must not be further modified.
|
|
*
|
|
* If @schemaCache and @schema are non-NULL, @schema is filled with with a
|
|
* pointer (borrowed from the cache) to the hash table representing the QEMU QMP
|
|
* schema used for validation of the monitor traffic.
|
|
*/
|
|
int
|
|
testQemuInsertRealCaps(virFileCache *cache,
|
|
const char *arch,
|
|
const char *version,
|
|
const char *variant,
|
|
GHashTable *capsLatestFiles,
|
|
GHashTable *capsCache,
|
|
GHashTable *schemaCache,
|
|
GHashTable **schema)
|
|
{
|
|
virQEMUCaps *cachedcaps;
|
|
|
|
virFileCacheClear(cache);
|
|
|
|
if (!(cachedcaps = testQemuGetRealCapsInternal(arch, version, variant,
|
|
capsLatestFiles, capsCache,
|
|
schemaCache, schema)))
|
|
return -1;
|
|
|
|
if (qemuTestCapsCacheInsertData(cache, virQEMUCapsGetBinary(cachedcaps), cachedcaps) < 0)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
testQemuInfoInitArgs(struct testQemuInfo *info)
|
|
{
|
|
ssize_t cap;
|
|
|
|
if (!info->args.newargs)
|
|
return 0;
|
|
|
|
info->args.newargs = false;
|
|
|
|
if (!info->args.capsvariant)
|
|
info->args.capsvariant = "";
|
|
|
|
if (info->args.invalidarg) {
|
|
fprintf(stderr, "Invalid argument encountered by 'testQemuInfoSetArgs'\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!!info->args.capsarch ^ !!info->args.capsver) {
|
|
fprintf(stderr, "ARG_CAPS_ARCH and ARG_CAPS_VER must be specified together.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (info->args.capsarch && info->args.capsver) {
|
|
info->arch = virArchFromString(info->args.capsarch);
|
|
info->flags |= FLAG_REAL_CAPS;
|
|
info->qemuCaps = testQemuGetRealCaps(info->args.capsarch,
|
|
info->args.capsver,
|
|
info->args.capsvariant,
|
|
info->conf->capslatest,
|
|
info->conf->capscache,
|
|
info->conf->qapiSchemaCache,
|
|
&info->qmpSchema);
|
|
|
|
if (!info->qemuCaps)
|
|
return -1;
|
|
} else {
|
|
info->qemuCaps = virQEMUCapsNew();
|
|
}
|
|
|
|
for (cap = -1; (cap = virBitmapNextSetBit(info->args.fakeCapsAdd, cap)) >= 0;)
|
|
virQEMUCapsSet(info->qemuCaps, cap);
|
|
|
|
for (cap = -1; (cap = virBitmapNextSetBit(info->args.fakeCapsDel, cap)) >= 0;)
|
|
virQEMUCapsClear(info->qemuCaps, cap);
|
|
|
|
if (info->args.gic != GIC_NONE &&
|
|
testQemuCapsSetGIC(info->qemuCaps, info->args.gic) < 0)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
void
|
|
testQemuInfoClear(struct testQemuInfo *info)
|
|
{
|
|
VIR_FREE(info->infile);
|
|
VIR_FREE(info->outfile);
|
|
VIR_FREE(info->errfile);
|
|
virObjectUnref(info->qemuCaps);
|
|
g_clear_pointer(&info->args.fakeCapsAdd, virBitmapFree);
|
|
g_clear_pointer(&info->args.fakeCapsDel, virBitmapFree);
|
|
g_clear_pointer(&info->args.fds, g_hash_table_unref);
|
|
}
|
|
|
|
|
|
/**
|
|
* testQemuPrepareHostBackendChardevOne:
|
|
* @dev: device definition object
|
|
* @chardev: chardev source object
|
|
* @opaque: Caller is expected to pass pointer to virDomainObj or NULL
|
|
*
|
|
* This helper sets up a chardev source backend for FD passing with fake
|
|
* file descriptros. It's expected to be used as callback for
|
|
* 'qemuDomainDeviceBackendChardevForeach', thus the VM object is passed via
|
|
* @opaque. Callers may pass NULL if the test scope is limited.
|
|
*/
|
|
int
|
|
testQemuPrepareHostBackendChardevOne(virDomainDeviceDef *dev,
|
|
virDomainChrSourceDef *chardev,
|
|
void *opaque)
|
|
{
|
|
virDomainObj *vm = opaque;
|
|
qemuDomainObjPrivate *priv = NULL;
|
|
qemuDomainChrSourcePrivate *charpriv = QEMU_DOMAIN_CHR_SOURCE_PRIVATE(chardev);
|
|
int fakesourcefd = -1;
|
|
const char *devalias = NULL;
|
|
|
|
if (vm)
|
|
priv = vm->privateData;
|
|
|
|
if (dev) {
|
|
virDomainDeviceInfo *info = virDomainDeviceGetInfo(dev);
|
|
devalias = info->alias;
|
|
|
|
/* vhost-user disk doesn't use FD passing */
|
|
if (dev->type == VIR_DOMAIN_DEVICE_DISK)
|
|
return 0;
|
|
|
|
if (dev->type == VIR_DOMAIN_DEVICE_NET) {
|
|
/* due to a historical bug in qemu we don't use FD passtrhough for
|
|
* vhost-sockets for network devices */
|
|
return 0;
|
|
}
|
|
|
|
/* TPMs FD passing setup is special and handled separately */
|
|
if (dev->type == VIR_DOMAIN_DEVICE_TPM)
|
|
return 0;
|
|
} else {
|
|
devalias = "monitor";
|
|
}
|
|
|
|
switch ((virDomainChrType) chardev->type) {
|
|
case VIR_DOMAIN_CHR_TYPE_NULL:
|
|
case VIR_DOMAIN_CHR_TYPE_VC:
|
|
case VIR_DOMAIN_CHR_TYPE_PTY:
|
|
case VIR_DOMAIN_CHR_TYPE_DEV:
|
|
case VIR_DOMAIN_CHR_TYPE_PIPE:
|
|
case VIR_DOMAIN_CHR_TYPE_STDIO:
|
|
case VIR_DOMAIN_CHR_TYPE_UDP:
|
|
case VIR_DOMAIN_CHR_TYPE_TCP:
|
|
case VIR_DOMAIN_CHR_TYPE_SPICEVMC:
|
|
case VIR_DOMAIN_CHR_TYPE_SPICEPORT:
|
|
case VIR_DOMAIN_CHR_TYPE_QEMU_VDAGENT:
|
|
case VIR_DOMAIN_CHR_TYPE_DBUS:
|
|
break;
|
|
|
|
case VIR_DOMAIN_CHR_TYPE_FILE:
|
|
fakesourcefd = 1750;
|
|
|
|
if (fcntl(fakesourcefd, F_GETFD) != -1)
|
|
abort();
|
|
|
|
charpriv->sourcefd = qemuFDPassNew(devalias, priv);
|
|
qemuFDPassAddFD(charpriv->sourcefd, &fakesourcefd, "-source");
|
|
break;
|
|
|
|
case VIR_DOMAIN_CHR_TYPE_UNIX:
|
|
if (chardev->data.nix.listen) {
|
|
g_autofree char *name = g_strdup_printf("%s-source", devalias);
|
|
fakesourcefd = 1729;
|
|
|
|
charpriv->directfd = qemuFDPassDirectNew(name, &fakesourcefd);
|
|
}
|
|
|
|
break;
|
|
|
|
case VIR_DOMAIN_CHR_TYPE_NMDM:
|
|
case VIR_DOMAIN_CHR_TYPE_LAST:
|
|
break;
|
|
}
|
|
|
|
if (chardev->logfile) {
|
|
int fd = 1751;
|
|
|
|
if (fcntl(fd, F_GETFD) != -1)
|
|
abort();
|
|
|
|
charpriv->logfd = qemuFDPassNew(devalias, priv);
|
|
|
|
qemuFDPassAddFD(charpriv->logfd, &fd, "-log");
|
|
}
|
|
|
|
return 0;
|
|
}
|