[libvirt] [PATCH v2 05/16] conf: domcaps: use virTristateBool for 'supported'

Cole Robinson crobinso at redhat.com
Wed Mar 6 23:36:54 UTC 2019


Switch most 'supported' handling to use virTristateBool, so eventually
we can handle the ABSENT state.

For now the XML formatter treats ABSENT the same as FALSE, so there's
no functional output change. This will be addressed in later patches

Signed-off-by: Cole Robinson <crobinso at redhat.com>
---
 src/bhyve/bhyve_capabilities.c | 10 +++++-----
 src/conf/domain_capabilities.c |  8 ++++----
 src/conf/domain_capabilities.h | 20 ++++++++++----------
 src/libxl/libxl_capabilities.c | 12 ++++++------
 src/qemu/qemu_capabilities.c   | 24 +++++++++++++-----------
 5 files changed, 38 insertions(+), 36 deletions(-)

diff --git a/src/bhyve/bhyve_capabilities.c b/src/bhyve/bhyve_capabilities.c
index 6feaded2ad..79d7659da3 100644
--- a/src/bhyve/bhyve_capabilities.c
+++ b/src/bhyve/bhyve_capabilities.c
@@ -75,7 +75,7 @@ virBhyveDomainCapsFill(virDomainCapsPtr caps,
                        unsigned int bhyvecaps,
                        virDomainCapsStringValuesPtr firmwares)
 {
-    caps->disk.supported = true;
+    caps->disk.supported = VIR_TRISTATE_BOOL_YES;
     VIR_DOMAIN_CAPS_ENUM_SET(caps->disk.diskDevice,
                              VIR_DOMAIN_DISK_DEVICE_DISK,
                              VIR_DOMAIN_DISK_DEVICE_CDROM);
@@ -84,10 +84,10 @@ virBhyveDomainCapsFill(virDomainCapsPtr caps,
                              VIR_DOMAIN_DISK_BUS_SATA,
                              VIR_DOMAIN_DISK_BUS_VIRTIO);
 
-    caps->os.supported = true;
+    caps->os.supported = VIR_TRISTATE_BOOL_YES;
 
     if (bhyvecaps & BHYVE_CAP_LPC_BOOTROM) {
-        caps->os.loader.supported = true;
+        caps->os.loader.supported = VIR_TRISTATE_BOOL_YES;
         VIR_DOMAIN_CAPS_ENUM_SET(caps->os.loader.type,
                                  VIR_DOMAIN_LOADER_TYPE_PFLASH);
         VIR_DOMAIN_CAPS_ENUM_SET(caps->os.loader.readonly,
@@ -99,8 +99,8 @@ virBhyveDomainCapsFill(virDomainCapsPtr caps,
 
 
     if (bhyvecaps & BHYVE_CAP_FBUF) {
-        caps->graphics.supported = true;
-        caps->video.supported = true;
+        caps->graphics.supported = VIR_TRISTATE_BOOL_YES;
+        caps->video.supported = VIR_TRISTATE_BOOL_YES;
         VIR_DOMAIN_CAPS_ENUM_SET(caps->graphics.type, VIR_DOMAIN_GRAPHICS_TYPE_VNC);
         VIR_DOMAIN_CAPS_ENUM_SET(caps->video.modelType, VIR_DOMAIN_VIDEO_TYPE_GOP);
     }
diff --git a/src/conf/domain_capabilities.c b/src/conf/domain_capabilities.c
index 5a26329176..081549eefb 100644
--- a/src/conf/domain_capabilities.c
+++ b/src/conf/domain_capabilities.c
@@ -371,9 +371,9 @@ virDomainCapsStringValuesFormat(virBufferPtr buf,
 #define FORMAT_PROLOGUE(item) \
     do { \
         virBufferAsprintf(buf, "<" #item " supported='%s'%s\n", \
-                          item->supported ? "yes" : "no", \
-                          item->supported ? ">" : "/>"); \
-        if (!item->supported) \
+                (item->supported == VIR_TRISTATE_BOOL_YES) ? "yes" : "no", \
+                (item->supported == VIR_TRISTATE_BOOL_YES) ? ">" : "/>"); \
+        if (item->supported != VIR_TRISTATE_BOOL_YES) \
             return; \
         virBufferAdjustIndent(buf, 2); \
     } while (0)
@@ -387,7 +387,7 @@ virDomainCapsStringValuesFormat(virBufferPtr buf,
 #define FORMAT_SINGLE(name, supported) \
     do { \
         virBufferAsprintf(&buf, "<%s supported='%s'/>\n", name, \
-                          supported ? "yes" : "no"); \
+                (supported == VIR_TRISTATE_BOOL_YES) ? "yes" : "no"); \
     } while (0)
 
 #define ENUM_PROCESS(master, capsEnum, valToStr) \
diff --git a/src/conf/domain_capabilities.h b/src/conf/domain_capabilities.h
index b5387916a1..3282b47d52 100644
--- a/src/conf/domain_capabilities.h
+++ b/src/conf/domain_capabilities.h
@@ -46,7 +46,7 @@ struct _virDomainCapsStringValues {
 typedef struct _virDomainCapsLoader virDomainCapsLoader;
 typedef virDomainCapsLoader *virDomainCapsLoaderPtr;
 struct _virDomainCapsLoader {
-    bool supported;
+    virTristateBool supported;
     virDomainCapsStringValues values;   /* Info about values for the element */
     virDomainCapsEnum type;     /* Info about virDomainLoader */
     virDomainCapsEnum readonly; /* Info about readonly:virTristateBool */
@@ -55,14 +55,14 @@ struct _virDomainCapsLoader {
 typedef struct _virDomainCapsOS virDomainCapsOS;
 typedef virDomainCapsOS *virDomainCapsOSPtr;
 struct _virDomainCapsOS {
-    bool supported;
+    virTristateBool supported;
     virDomainCapsLoader loader;     /* Info about virDomainLoaderDef */
 };
 
 typedef struct _virDomainCapsDeviceDisk virDomainCapsDeviceDisk;
 typedef virDomainCapsDeviceDisk *virDomainCapsDeviceDiskPtr;
 struct _virDomainCapsDeviceDisk {
-    bool supported;
+    virTristateBool supported;
     virDomainCapsEnum diskDevice;   /* Info about virDomainDiskDevice enum values */
     virDomainCapsEnum bus;          /* Info about virDomainDiskBus enum values */
     virDomainCapsEnum model;        /* Info about virDomainDiskModel enum values */
@@ -72,21 +72,21 @@ struct _virDomainCapsDeviceDisk {
 typedef struct _virDomainCapsDeviceGraphics virDomainCapsDeviceGraphics;
 typedef virDomainCapsDeviceGraphics *virDomainCapsDeviceGraphicsPtr;
 struct _virDomainCapsDeviceGraphics {
-    bool supported;
+    virTristateBool supported;
     virDomainCapsEnum type;   /* virDomainGraphicsType */
 };
 
 typedef struct _virDomainCapsDeviceVideo virDomainCapsDeviceVideo;
 typedef virDomainCapsDeviceVideo *virDomainCapsDeviceVideoPtr;
 struct _virDomainCapsDeviceVideo {
-    bool supported;
+    virTristateBool supported;
     virDomainCapsEnum modelType;   /* virDomainVideoType */
 };
 
 typedef struct _virDomainCapsDeviceHostdev virDomainCapsDeviceHostdev;
 typedef virDomainCapsDeviceHostdev *virDomainCapsDeviceHostdevPtr;
 struct _virDomainCapsDeviceHostdev {
-    bool supported;
+    virTristateBool supported;
     virDomainCapsEnum mode;             /* Info about virDomainHostdevMode */
     virDomainCapsEnum startupPolicy;    /* Info about virDomainStartupPolicy */
     virDomainCapsEnum subsysType;       /* Info about virDomainHostdevSubsysType */
@@ -98,7 +98,7 @@ struct _virDomainCapsDeviceHostdev {
 typedef struct _virDomainCapsFeatureGIC virDomainCapsFeatureGIC;
 typedef virDomainCapsFeatureGIC *virDomainCapsFeatureGICPtr;
 struct _virDomainCapsFeatureGIC {
-    bool supported;
+    virTristateBool supported;
     virDomainCapsEnum version; /* Info about virGICVersion */
 };
 
@@ -156,7 +156,7 @@ struct _virDomainCaps {
 
     /* Some machine specific info */
     int maxvcpus;
-    bool iothreads;  /* Whether I/O threads are supported or not. */
+    virTristateBool iothreads;  /* Whether I/O threads are supported or not. */
 
     virDomainCapsOS os;
     virDomainCapsCPU cpu;
@@ -167,8 +167,8 @@ struct _virDomainCaps {
     /* add new domain devices here */
 
     virDomainCapsFeatureGIC gic;
-    bool vmcoreinfo;
-    bool genid;
+    virTristateBool vmcoreinfo;
+    virTristateBool genid;
     virSEVCapabilityPtr sev;
     /* add new domain features here */
 };
diff --git a/src/libxl/libxl_capabilities.c b/src/libxl/libxl_capabilities.c
index cc42dc6987..385b08be38 100644
--- a/src/libxl/libxl_capabilities.c
+++ b/src/libxl/libxl_capabilities.c
@@ -603,12 +603,12 @@ libxlMakeDomainOSCaps(const char *machine,
     virDomainCapsLoaderPtr capsLoader = &os->loader;
     size_t i;
 
-    os->supported = true;
+    os->supported = VIR_TRISTATE_BOOL_YES;
 
     if (STREQ(machine, "xenpv") || STREQ(machine, "xenpvh"))
         return 0;
 
-    capsLoader->supported = true;
+    capsLoader->supported = VIR_TRISTATE_BOOL_YES;
     if (VIR_ALLOC_N(capsLoader->values.values, nfirmwares) < 0)
         return -1;
 
@@ -631,7 +631,7 @@ libxlMakeDomainOSCaps(const char *machine,
 static int
 libxlMakeDomainDeviceDiskCaps(virDomainCapsDeviceDiskPtr dev)
 {
-    dev->supported = true;
+    dev->supported = VIR_TRISTATE_BOOL_YES;
 
     VIR_DOMAIN_CAPS_ENUM_SET(dev->diskDevice,
                              VIR_DOMAIN_DISK_DEVICE_DISK,
@@ -648,7 +648,7 @@ libxlMakeDomainDeviceDiskCaps(virDomainCapsDeviceDiskPtr dev)
 static int
 libxlMakeDomainDeviceGraphicsCaps(virDomainCapsDeviceGraphicsPtr dev)
 {
-    dev->supported = true;
+    dev->supported = VIR_TRISTATE_BOOL_YES;
 
     VIR_DOMAIN_CAPS_ENUM_SET(dev->type,
                              VIR_DOMAIN_GRAPHICS_TYPE_SDL,
@@ -661,7 +661,7 @@ libxlMakeDomainDeviceGraphicsCaps(virDomainCapsDeviceGraphicsPtr dev)
 static int
 libxlMakeDomainDeviceVideoCaps(virDomainCapsDeviceVideoPtr dev)
 {
-    dev->supported = true;
+    dev->supported = VIR_TRISTATE_BOOL_YES;
 
     VIR_DOMAIN_CAPS_ENUM_SET(dev->modelType,
                              VIR_DOMAIN_VIDEO_TYPE_VGA,
@@ -683,7 +683,7 @@ bool libxlCapsHasPVUSB(void)
 static int
 libxlMakeDomainDeviceHostdevCaps(virDomainCapsDeviceHostdevPtr dev)
 {
-    dev->supported = true;
+    dev->supported = VIR_TRISTATE_BOOL_YES;
     /* VIR_DOMAIN_HOSTDEV_MODE_CAPABILITIES is for containers only */
     VIR_DOMAIN_CAPS_ENUM_SET(dev->mode,
                              VIR_DOMAIN_HOSTDEV_MODE_SUBSYS);
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index c9700193fd..6a0ec0d1bd 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -4918,7 +4918,7 @@ virQEMUCapsFillDomainLoaderCaps(virDomainCapsLoaderPtr capsLoader,
 {
     size_t i;
 
-    capsLoader->supported = true;
+    capsLoader->supported = VIR_TRISTATE_BOOL_YES;
 
     if (VIR_ALLOC_N(capsLoader->values.values, nfirmwares) < 0)
         return -1;
@@ -4958,7 +4958,7 @@ virQEMUCapsFillDomainOSCaps(virDomainCapsOSPtr os,
 {
     virDomainCapsLoaderPtr capsLoader = &os->loader;
 
-    os->supported = true;
+    os->supported = VIR_TRISTATE_BOOL_YES;
     if (virQEMUCapsFillDomainLoaderCaps(capsLoader, firmwares, nfirmwares) < 0)
         return -1;
     return 0;
@@ -5011,7 +5011,8 @@ static int
 virQEMUCapsFillDomainIOThreadCaps(virQEMUCapsPtr qemuCaps,
                                   virDomainCapsPtr domCaps)
 {
-    domCaps->iothreads = virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_IOTHREAD);
+    domCaps->iothreads = virTristateBoolFromBool(
+            virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_IOTHREAD));
 
     return 0;
 }
@@ -5022,7 +5023,7 @@ virQEMUCapsFillDomainDeviceDiskCaps(virQEMUCapsPtr qemuCaps,
                                     const char *machine,
                                     virDomainCapsDeviceDiskPtr disk)
 {
-    disk->supported = true;
+    disk->supported = VIR_TRISTATE_BOOL_YES;
     /* QEMU supports all of these */
     VIR_DOMAIN_CAPS_ENUM_SET(disk->diskDevice,
                              VIR_DOMAIN_DISK_DEVICE_DISK,
@@ -5067,7 +5068,7 @@ static int
 virQEMUCapsFillDomainDeviceGraphicsCaps(virQEMUCapsPtr qemuCaps,
                                         virDomainCapsDeviceGraphicsPtr dev)
 {
-    dev->supported = true;
+    dev->supported = VIR_TRISTATE_BOOL_YES;
 
     VIR_DOMAIN_CAPS_ENUM_SET(dev->type, VIR_DOMAIN_GRAPHICS_TYPE_SDL);
     if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC))
@@ -5083,7 +5084,7 @@ static int
 virQEMUCapsFillDomainDeviceVideoCaps(virQEMUCapsPtr qemuCaps,
                                      virDomainCapsDeviceVideoPtr dev)
 {
-    dev->supported = true;
+    dev->supported = VIR_TRISTATE_BOOL_YES;
 
     if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VGA))
         VIR_DOMAIN_CAPS_ENUM_SET(dev->modelType, VIR_DOMAIN_VIDEO_TYPE_VGA);
@@ -5107,7 +5108,7 @@ virQEMUCapsFillDomainDeviceHostdevCaps(virQEMUCapsPtr qemuCaps,
     bool supportsPassthroughKVM = qemuHostdevHostSupportsPassthroughLegacy();
     bool supportsPassthroughVFIO = qemuHostdevHostSupportsPassthroughVFIO();
 
-    hostdev->supported = true;
+    hostdev->supported = VIR_TRISTATE_BOOL_YES;
     /* VIR_DOMAIN_HOSTDEV_MODE_CAPABILITIES is for containers only */
     VIR_DOMAIN_CAPS_ENUM_SET(hostdev->mode,
                              VIR_DOMAIN_HOSTDEV_MODE_SUBSYS);
@@ -5222,7 +5223,7 @@ virQEMUCapsFillDomainFeatureGICCaps(virQEMUCapsPtr qemuCaps,
                                            version))
             continue;
 
-        gic->supported = true;
+        gic->supported = VIR_TRISTATE_BOOL_YES;
         VIR_DOMAIN_CAPS_ENUM_SET(gic->version,
                                  version);
     }
@@ -5293,10 +5294,11 @@ virQEMUCapsFillDomainCaps(virCapsPtr caps,
         domCaps->maxvcpus = MIN(domCaps->maxvcpus, hostmaxvcpus);
     }
 
-    domCaps->vmcoreinfo = virQEMUCapsGet(qemuCaps,
-                                         QEMU_CAPS_DEVICE_VMCOREINFO);
+    domCaps->vmcoreinfo = virTristateBoolFromBool(
+            virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VMCOREINFO));
 
-    domCaps->genid = virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VMGENID);
+    domCaps->genid = virTristateBoolFromBool(
+            virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VMGENID));
 
     if (virQEMUCapsFillDomainOSCaps(os, firmwares, nfirmwares) < 0 ||
         virQEMUCapsFillDomainCPUCaps(caps, qemuCaps, domCaps) < 0 ||
-- 
2.20.1




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