]> xenbits.xensource.com Git - libvirt.git/commitdiff
qemu: switch QEMU capabilities to use virFileCache
authorPavel Hrdina <phrdina@redhat.com>
Wed, 19 Jul 2017 15:01:56 +0000 (17:01 +0200)
committerPavel Hrdina <phrdina@redhat.com>
Wed, 26 Jul 2017 13:36:21 +0000 (15:36 +0200)
The switch contains considerable amount of changes:

  virQEMUCapsRememberCached() is removed because this is now handled
  by virFileCacheSave().

  virQEMUCapsInitCached() is removed because this is now handled by
  virFileCacheLoad().

  virQEMUCapsNewForBinary() is split into two functions,
  virQEMUCapsNewData() which creates new data if there is nothing
  cached and virQEMUCapsLoadFile() which loads the cached data.
  This is now handled by virFileCacheNewData().

  virQEMUCapsCacheValidate() is removed because this is now handled by
  virFileCacheValidate().

  virQEMUCapsCacheFree() is removed because it's no longer required.

  Add virCapsPtr into virQEMUCapsCachePriv because for each call of
  virFileCacheLookup*() we need to use current virCapsPtr.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
src/qemu/qemu_capabilities.c
src/qemu/qemu_capabilities.h
src/qemu/qemu_capspriv.h
src/qemu/qemu_conf.h
src/qemu/qemu_driver.c
tests/testutilsqemu.c
tests/testutilsqemu.h

index 0bb770f08f8f59271e126118d952368bcad89b0b..97fc96d1e6a874921685b9ee3b1586c068d33375 100644 (file)
@@ -29,6 +29,7 @@
 #include "virlog.h"
 #include "virerror.h"
 #include "virfile.h"
+#include "virfilecache.h"
 #include "virpidfile.h"
 #include "virprocess.h"
 #include "cpu/cpu.h"
@@ -957,7 +958,7 @@ virQEMUCapsFindBinaryForArch(virArch hostarch,
 
 static int
 virQEMUCapsInitGuest(virCapsPtr caps,
-                     virQEMUCapsCachePtr cache,
+                     virFileCachePtr cache,
                      virArch hostarch,
                      virArch guestarch)
 {
@@ -1174,7 +1175,8 @@ virQEMUCapsProbeHostCPUForEmulator(virArch hostArch,
 }
 
 
-virCapsPtr virQEMUCapsInit(virQEMUCapsCachePtr cache)
+virCapsPtr
+virQEMUCapsInit(virFileCachePtr cache)
 {
     virCapsPtr caps;
     size_t i;
@@ -2172,7 +2174,7 @@ virQEMUCapsExtractDeviceStr(const char *qemu,
 
 
 int virQEMUCapsGetDefaultVersion(virCapsPtr caps,
-                                 virQEMUCapsCachePtr capsCache,
+                                 virFileCachePtr capsCache,
                                  unsigned int *version)
 {
     virQEMUCapsPtr qemucaps;
@@ -3775,8 +3777,10 @@ virQEMUCapsLoadCPUModels(virQEMUCapsPtr qemuCaps,
 
 
 static void
-virQEMUCapsCachePrivFree(virQEMUCapsCachePrivPtr priv)
+virQEMUCapsCachePrivFree(void *privData)
 {
+    virQEMUCapsCachePrivPtr priv = privData;
+
     VIR_FREE(priv->libDir);
     VIR_FREE(priv);
 }
@@ -4205,8 +4209,11 @@ virQEMUCapsFormatCache(virQEMUCapsPtr qemuCaps)
 
 
 static int
-virQEMUCapsSaveCache(virQEMUCapsPtr qemuCaps, const char *filename)
+virQEMUCapsSaveFile(void *data,
+                    const char *filename,
+                    void *privData ATTRIBUTE_UNUSED)
 {
+    virQEMUCapsPtr qemuCaps = data;
     char *xml = NULL;
     int ret = -1;
 
@@ -4230,48 +4237,13 @@ virQEMUCapsSaveCache(virQEMUCapsPtr qemuCaps, const char *filename)
     return ret;
 }
 
-static int
-virQEMUCapsRememberCached(virQEMUCapsPtr qemuCaps, const char *cacheDir)
-{
-    char *capsdir = NULL;
-    char *capsfile = NULL;
-    int ret = -1;
-    char *binaryhash = NULL;
-
-    if (virAsprintf(&capsdir, "%s/capabilities", cacheDir) < 0)
-        goto cleanup;
-
-    if (virCryptoHashString(VIR_CRYPTO_HASH_SHA256,
-                            qemuCaps->binary,
-                            &binaryhash) < 0)
-        goto cleanup;
-
-    if (virAsprintf(&capsfile, "%s/%s.xml", capsdir, binaryhash) < 0)
-        goto cleanup;
-
-    if (virFileMakePath(capsdir) < 0) {
-        virReportSystemError(errno,
-                             _("Unable to create directory '%s'"),
-                             capsdir);
-        goto cleanup;
-    }
-
-    if (virQEMUCapsSaveCache(qemuCaps, capsfile) < 0)
-        goto cleanup;
-
-    ret = 0;
- cleanup:
-    VIR_FREE(binaryhash);
-    VIR_FREE(capsfile);
-    VIR_FREE(capsdir);
-    return ret;
-}
-
 
 static bool
-virQEMUCapsIsValid(virQEMUCapsPtr qemuCaps,
-                   virQEMUCapsCachePrivPtr priv)
+virQEMUCapsIsValid(void *data,
+                   void *privData)
 {
+    virQEMUCapsPtr qemuCaps = data;
+    virQEMUCapsCachePrivPtr priv = privData;
     bool kvmUsable;
     struct stat sb;
 
@@ -4330,86 +4302,6 @@ virQEMUCapsIsValid(virQEMUCapsPtr qemuCaps,
 }
 
 
-static int
-virQEMUCapsInitCached(virQEMUCapsPtr *qemuCaps,
-                      const char *binary,
-                      const char *cacheDir,
-                      virQEMUCapsCachePrivPtr priv)
-{
-    char *capsdir = NULL;
-    char *capsfile = NULL;
-    int ret = -1;
-    char *binaryhash = NULL;
-    struct stat sb;
-    virQEMUCapsPtr qemuCapsNew = NULL;
-
-    if (virAsprintf(&capsdir, "%s/capabilities", cacheDir) < 0)
-        goto cleanup;
-
-    if (virCryptoHashString(VIR_CRYPTO_HASH_SHA256, binary, &binaryhash) < 0)
-        goto cleanup;
-
-    if (virAsprintf(&capsfile, "%s/%s.xml", capsdir, binaryhash) < 0)
-        goto cleanup;
-
-    if (virFileMakePath(capsdir) < 0) {
-        virReportSystemError(errno,
-                             _("Unable to create directory '%s'"),
-                             capsdir);
-        goto cleanup;
-    }
-
-    if (stat(capsfile, &sb) < 0) {
-        if (errno == ENOENT) {
-            VIR_DEBUG("No cached capabilities '%s' for '%s'",
-                      capsfile, binary);
-            ret = 0;
-            goto cleanup;
-        }
-        virReportSystemError(errno,
-                             _("Unable to access cache '%s' for '%s'"),
-                             capsfile, binary);
-        goto cleanup;
-    }
-
-    if (!(qemuCapsNew = virQEMUCapsNew()))
-        goto cleanup;
-
-    if (VIR_STRDUP(qemuCapsNew->binary, binary) < 0)
-        goto discard;
-
-    if (virQEMUCapsLoadCache(priv->hostArch, qemuCapsNew, capsfile) < 0) {
-        VIR_WARN("Failed to load cached caps from '%s' for '%s': %s",
-                 capsfile, qemuCapsNew->binary, virGetLastErrorMessage());
-        virResetLastError();
-        goto discard;
-    }
-
-    if (!virQEMUCapsIsValid(qemuCapsNew, priv))
-        goto discard;
-
-    VIR_DEBUG("Loaded '%s' for '%s' ctime %lld usedQMP=%d",
-              capsfile, qemuCapsNew->binary,
-              (long long)qemuCapsNew->ctime, qemuCapsNew->usedQMP);
-
-    ret = 1;
-    *qemuCaps = qemuCapsNew;
- cleanup:
-    VIR_FREE(binaryhash);
-    VIR_FREE(capsfile);
-    VIR_FREE(capsdir);
-    return ret;
-
- discard:
-    VIR_DEBUG("Dropping cached capabilities '%s' for '%s'",
-              capsfile, qemuCapsNew->binary);
-    ignore_value(unlink(capsfile));
-    virObjectUnref(qemuCapsNew);
-    ret = 0;
-    goto cleanup;
-}
-
-
 #define QEMU_SYSTEM_PREFIX "qemu-system-"
 
 static int
@@ -5287,36 +5179,45 @@ virQEMUCapsNewForBinaryInternal(virArch hostArch,
     goto cleanup;
 }
 
-static virQEMUCapsPtr
-virQEMUCapsNewForBinary(const char *binary,
-                        const char *cacheDir,
-                        virQEMUCapsCachePrivPtr priv)
+static void *
+virQEMUCapsNewData(const char *binary,
+                   void *privData)
 {
-    int rv;
-    virQEMUCapsPtr qemuCaps = NULL;
+    virQEMUCapsCachePrivPtr priv = privData;
+
+    return virQEMUCapsNewForBinaryInternal(priv->hostArch,
+                                           binary,
+                                           priv->libDir,
+                                           priv->runUid,
+                                           priv->runGid,
+                                           false);
+}
 
-    if ((rv = virQEMUCapsInitCached(&qemuCaps, binary, cacheDir, priv)) < 0)
-        goto error;
 
-    if (rv == 0) {
-        if (!(qemuCaps = virQEMUCapsNewForBinaryInternal(priv->hostArch,
-                                                         binary,
-                                                         priv->libDir,
-                                                         priv->runUid,
-                                                         priv->runGid,
-                                                         false))) {
-            goto error;
-        }
+static void *
+virQEMUCapsLoadFile(const char *filename,
+                    const char *binary,
+                    void *privData)
+{
+    virQEMUCapsPtr qemuCaps = virQEMUCapsNew();
+    virQEMUCapsCachePrivPtr priv = privData;
 
-        if (virQEMUCapsRememberCached(qemuCaps, cacheDir) < 0)
-            goto error;
-    }
+    if (!qemuCaps)
+        return NULL;
+
+    if (VIR_STRDUP(qemuCaps->binary, binary) < 0)
+        goto error;
 
+    if (virQEMUCapsLoadCache(priv->hostArch, qemuCaps, filename) < 0)
+        goto error;
+
+ cleanup:
     return qemuCaps;
 
  error:
     virObjectUnref(qemuCaps);
-    return NULL;
+    qemuCaps = NULL;
+    goto cleanup;
 }
 
 
@@ -5358,90 +5259,61 @@ virQEMUCapsFilterByMachineType(virQEMUCapsPtr qemuCaps,
 }
 
 
-virQEMUCapsCachePtr
+virFileCacheHandlers qemuCapsCacheHandlers = {
+    .isValid = virQEMUCapsIsValid,
+    .newData = virQEMUCapsNewData,
+    .loadFile = virQEMUCapsLoadFile,
+    .saveFile = virQEMUCapsSaveFile,
+    .privFree = virQEMUCapsCachePrivFree,
+};
+
+
+virFileCachePtr
 virQEMUCapsCacheNew(const char *libDir,
                     const char *cacheDir,
                     uid_t runUid,
                     gid_t runGid)
 {
-    virQEMUCapsCachePtr cache;
-
-    if (VIR_ALLOC(cache) < 0)
-        return NULL;
+    char *capsCacheDir = NULL;
+    virFileCachePtr cache = NULL;
+    virQEMUCapsCachePrivPtr priv = NULL;
 
-    if (virMutexInit(&cache->lock) < 0) {
-        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
-                       _("Unable to initialize mutex"));
-        VIR_FREE(cache);
-        return NULL;
-    }
-
-    if (!(cache->binaries = virHashCreate(10, virObjectFreeHashData)))
+    if (virAsprintf(&capsCacheDir, "%s/capabilities", cacheDir) < 0)
         goto error;
-    if (VIR_STRDUP(cache->cacheDir, cacheDir) < 0)
+
+    if (!(cache = virFileCacheNew(capsCacheDir, "xml", &qemuCapsCacheHandlers)))
         goto error;
 
-    if (VIR_ALLOC(cache->priv) < 0)
+    if (VIR_ALLOC(priv) < 0)
         goto error;
+    virFileCacheSetPriv(cache, priv);
 
-    if (VIR_STRDUP(cache->priv->libDir, libDir) < 0)
+    if (VIR_STRDUP(priv->libDir, libDir) < 0)
         goto error;
 
-    cache->priv->hostArch = virArchFromHost();
+    priv->hostArch = virArchFromHost();
 
-    cache->priv->runUid = runUid;
-    cache->priv->runGid = runGid;
+    priv->runUid = runUid;
+    priv->runGid = runGid;
 
+ cleanup:
+    VIR_FREE(capsCacheDir);
     return cache;
 
  error:
-    virQEMUCapsCacheFree(cache);
-    return NULL;
-}
-
-
-static void ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3)
-virQEMUCapsCacheValidate(virQEMUCapsCachePtr cache,
-                         const char *binary,
-                         virQEMUCapsPtr *qemuCaps)
-{
-    if (*qemuCaps &&
-        !virQEMUCapsIsValid(*qemuCaps, cache->priv)) {
-        VIR_DEBUG("Cached capabilities %p no longer valid for %s",
-                  *qemuCaps, binary);
-        virHashRemoveEntry(cache->binaries, binary);
-        *qemuCaps = NULL;
-    }
-
-    if (!*qemuCaps) {
-        VIR_DEBUG("Creating capabilities for %s", binary);
-        *qemuCaps = virQEMUCapsNewForBinary(binary,
-                                            cache->cacheDir,
-                                            cache->priv);
-        if (*qemuCaps) {
-            VIR_DEBUG("Caching capabilities %p for %s", *qemuCaps, binary);
-            if (virHashAddEntry(cache->binaries, binary, *qemuCaps) < 0) {
-                virObjectUnref(*qemuCaps);
-                *qemuCaps = NULL;
-            }
-        }
-    }
+    virObjectUnref(cache);
+    cache = NULL;
+    goto cleanup;
 }
 
 
 virQEMUCapsPtr
-virQEMUCapsCacheLookup(virQEMUCapsCachePtr cache,
+virQEMUCapsCacheLookup(virFileCachePtr cache,
                        const char *binary)
 {
     virQEMUCapsPtr ret = NULL;
 
-    virMutexLock(&cache->lock);
-
-    ret = virHashLookup(cache->binaries, binary);
-    virQEMUCapsCacheValidate(cache, binary, &ret);
-    virObjectRef(ret);
-
-    virMutexUnlock(&cache->lock);
+    ret = virFileCacheLookup(cache, binary);
 
     VIR_DEBUG("Returning caps %p for %s", ret, binary);
     return ret;
@@ -5449,7 +5321,7 @@ virQEMUCapsCacheLookup(virQEMUCapsCachePtr cache,
 
 
 virQEMUCapsPtr
-virQEMUCapsCacheLookupCopy(virQEMUCapsCachePtr cache,
+virQEMUCapsCacheLookupCopy(virFileCachePtr cache,
                            const char *binary,
                            const char *machineType)
 {
@@ -5483,64 +5355,36 @@ virQEMUCapsCompareArch(const void *payload,
 
 
 virQEMUCapsPtr
-virQEMUCapsCacheLookupByArch(virQEMUCapsCachePtr cache,
+virQEMUCapsCacheLookupByArch(virFileCachePtr cache,
                              virArch arch)
 {
     virQEMUCapsPtr ret = NULL;
     virArch target;
     struct virQEMUCapsSearchData data = { .arch = arch };
 
-    virMutexLock(&cache->lock);
-    ret = virHashSearch(cache->binaries, virQEMUCapsCompareArch, &data, NULL);
+    ret = virFileCacheLookupByFunc(cache, virQEMUCapsCompareArch, &data);
     if (!ret) {
         /* If the first attempt at finding capabilities has failed, try
          * again using the QEMU target as lookup key instead */
         target = virQEMUCapsFindTarget(virArchFromHost(), data.arch);
         if (target != data.arch) {
             data.arch = target;
-            ret = virHashSearch(cache->binaries, virQEMUCapsCompareArch,
-                                &data, NULL);
+            ret = virFileCacheLookupByFunc(cache, virQEMUCapsCompareArch, &data);
         }
     }
 
-    if (ret) {
-        char *binary;
-
-        if (VIR_STRDUP(binary, ret->binary) < 0) {
-            ret = NULL;
-        } else {
-            virQEMUCapsCacheValidate(cache, binary, &ret);
-            VIR_FREE(binary);
-        }
-    } else {
+    if (!ret) {
         virReportError(VIR_ERR_INVALID_ARG,
                        _("unable to find any emulator to serve '%s' "
                          "architecture"), virArchToString(arch));
     }
 
-    virObjectRef(ret);
-    virMutexUnlock(&cache->lock);
-
     VIR_DEBUG("Returning caps %p for arch %s", ret, virArchToString(arch));
 
     return ret;
 }
 
 
-void
-virQEMUCapsCacheFree(virQEMUCapsCachePtr cache)
-{
-    if (!cache)
-        return;
-
-    virQEMUCapsCachePrivFree(cache->priv);
-    VIR_FREE(cache->cacheDir);
-    virHashFree(cache->binaries);
-    virMutexDestroy(&cache->lock);
-    VIR_FREE(cache);
-}
-
-
 bool
 virQEMUCapsSupportsVmport(virQEMUCapsPtr qemuCaps,
                           const virDomainDef *def)
index 6aa3020f578be57257a90621fb727687745e980e..84efc2d9a851e112dbeb6b717b8832eb3312733c 100644 (file)
@@ -30,6 +30,7 @@
 # include "qemu_monitor.h"
 # include "domain_capabilities.h"
 # include "virfirmware.h"
+# include "virfilecache.h"
 
 /*
  * Internal flags to keep track of qemu command line capabilities
@@ -427,9 +428,6 @@ typedef enum {
 typedef struct _virQEMUCaps virQEMUCaps;
 typedef virQEMUCaps *virQEMUCapsPtr;
 
-typedef struct _virQEMUCapsCache virQEMUCapsCache;
-typedef virQEMUCapsCache *virQEMUCapsCachePtr;
-
 virQEMUCapsPtr virQEMUCapsNew(void);
 
 void virQEMUCapsSet(virQEMUCapsPtr qemuCaps,
@@ -501,22 +499,21 @@ int virQEMUCapsGetMachineTypesCaps(virQEMUCapsPtr qemuCaps,
 void virQEMUCapsFilterByMachineType(virQEMUCapsPtr qemuCaps,
                                     const char *machineType);
 
-virQEMUCapsCachePtr virQEMUCapsCacheNew(const char *libDir,
+virFileCachePtr virQEMUCapsCacheNew(const char *libDir,
                                         const char *cacheDir,
                                         uid_t uid, gid_t gid);
-virQEMUCapsPtr virQEMUCapsCacheLookup(virQEMUCapsCachePtr cache,
+virQEMUCapsPtr virQEMUCapsCacheLookup(virFileCachePtr cache,
                                       const char *binary);
-virQEMUCapsPtr virQEMUCapsCacheLookupCopy(virQEMUCapsCachePtr cache,
+virQEMUCapsPtr virQEMUCapsCacheLookupCopy(virFileCachePtr cache,
                                           const char *binary,
                                           const char *machineType);
-virQEMUCapsPtr virQEMUCapsCacheLookupByArch(virQEMUCapsCachePtr cache,
+virQEMUCapsPtr virQEMUCapsCacheLookupByArch(virFileCachePtr cache,
                                             virArch arch);
-void virQEMUCapsCacheFree(virQEMUCapsCachePtr cache);
 
-virCapsPtr virQEMUCapsInit(virQEMUCapsCachePtr cache);
+virCapsPtr virQEMUCapsInit(virFileCachePtr cache);
 
 int virQEMUCapsGetDefaultVersion(virCapsPtr caps,
-                                 virQEMUCapsCachePtr capsCache,
+                                 virFileCachePtr capsCache,
                                  unsigned int *version);
 
 VIR_ENUM_DECL(virQEMUCaps);
index 5b7d544806e35bbb5af2cf8548a152f5cf3c425a..78f7e4ab398412a8b5d13f180399fea302465d14 100644 (file)
@@ -39,12 +39,6 @@ struct _virQEMUCapsCachePriv {
 typedef struct _virQEMUCapsCachePriv virQEMUCapsCachePriv;
 typedef virQEMUCapsCachePriv *virQEMUCapsCachePrivPtr;
 
-struct _virQEMUCapsCache {
-    virMutex lock;
-    virHashTablePtr binaries;
-    char *cacheDir;
-    virQEMUCapsCachePrivPtr priv;
-};
 
 virQEMUCapsPtr virQEMUCapsNewCopy(virQEMUCapsPtr qemuCaps);
 
index 1407eef4d4f08d8e5584955c42690095c4e5445f..3013f24ed44b44514ebcee37209f32117f8d65a2 100644 (file)
@@ -48,6 +48,7 @@
 # include "virclosecallbacks.h"
 # include "virhostdev.h"
 # include "virfile.h"
+# include "virfilecache.h"
 # include "virfirmware.h"
 
 # ifdef CPU_SETSIZE /* Linux */
@@ -245,7 +246,7 @@ struct _virQEMUDriver {
     virDomainXMLOptionPtr xmlopt;
 
     /* Immutable pointer, self-locking APIs */
-    virQEMUCapsCachePtr qemuCapsCache;
+    virFileCachePtr qemuCapsCache;
 
     /* Immutable pointer, self-locking APIs */
     virObjectEventStatePtr domainEventState;
index 53c9b3d2644bb1083b2d4b1826ea86325ba09ea9..a4236630f18129bf720ab75ac8dadd5edb45ab29 100644 (file)
@@ -1079,7 +1079,7 @@ qemuStateCleanup(void)
     virObjectUnref(qemu_driver->hostdevMgr);
     virHashFree(qemu_driver->sharedDevices);
     virObjectUnref(qemu_driver->caps);
-    virQEMUCapsCacheFree(qemu_driver->qemuCapsCache);
+    virObjectUnref(qemu_driver->qemuCapsCache);
 
     virObjectUnref(qemu_driver->domains);
     virObjectUnref(qemu_driver->remotePorts);
index 5766e183dff299c1a87bae1d85ab6f1f122b68f0..2c7124bf26f2207e74f027f1ef4030b02c75c74e 100644 (file)
@@ -12,6 +12,7 @@
 # define __QEMU_CAPSPRIV_H_ALLOW__
 # include "qemu/qemu_capspriv.h"
 # include "virstring.h"
+# include "virfilecache.h"
 
 # define VIR_FROM_THIS VIR_FROM_QEMU
 
@@ -511,14 +512,14 @@ void qemuTestDriverFree(virQEMUDriver *driver)
         virFileDeleteTree(driver->config->stateDir);
         virFileDeleteTree(driver->config->configDir);
     }
-    virQEMUCapsCacheFree(driver->qemuCapsCache);
+    virObjectUnref(driver->qemuCapsCache);
     virObjectUnref(driver->xmlopt);
     virObjectUnref(driver->caps);
     virObjectUnref(driver->config);
     virObjectUnref(driver->securityManager);
 }
 
-int qemuTestCapsCacheInsert(virQEMUCapsCachePtr cache,
+int qemuTestCapsCacheInsert(virFileCachePtr cache,
                             virQEMUCapsPtr caps)
 {
     size_t i;
@@ -533,9 +534,7 @@ int qemuTestCapsCacheInsert(virQEMUCapsCachePtr cache,
 
     for (i = 0; i < ARRAY_CARDINALITY(QEMUBinList); i++) {
         virObjectRef(tmpCaps);
-        if (virHashUpdateEntry(cache->binaries,
-                               QEMUBinList[i],
-                               tmpCaps) < 0) {
+        if (virFileCacheInsertData(cache, QEMUBinList[i], tmpCaps) < 0) {
             virObjectUnref(tmpCaps);
             return -1;
         }
index 05e5651ae8c091f94b5841c6ed4f6e8af94b760f..f29c6e5d621b00a2b2654dc1eb8a62d3cae66572 100644 (file)
@@ -1,6 +1,7 @@
 #ifdef WITH_QEMU
 
 # include "capabilities.h"
+# include "virfilecache.h"
 # include "domain_conf.h"
 # include "qemu/qemu_capabilities.h"
 # include "qemu/qemu_conf.h"
@@ -30,7 +31,7 @@ void qemuTestSetHostCPU(virCapsPtr caps,
 
 int qemuTestDriverInit(virQEMUDriver *driver);
 void qemuTestDriverFree(virQEMUDriver *driver);
-int qemuTestCapsCacheInsert(virQEMUCapsCachePtr cache,
+int qemuTestCapsCacheInsert(virFileCachePtr cache,
                             virQEMUCapsPtr caps);
 
 int testQemuCapsSetGIC(virQEMUCapsPtr qemuCaps,