commit a56de056c91f87e1e8569a32f8d3513b5ae1d7ec
author Peter Xu <peterx@redhat.com> Wed Jan 16 11:08:15 2019 +0800
committer Michael S. Tsirkin <mst@redhat.com> Tue Feb 05 10:58:33 2019 -0500
tree a14fb2ba8b5b54fe99b309a843e0c89319a4239d
parent afa26ecc3010d2851a065edc7817d31e07d236ec

contrib/vhost-user-blk: fix the compilation issue

Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

contrib/vhost-user-blk/vhost-user-blk.c

diff --git a/contrib/vhost-user-blk/vhost-user-blk.c b/contrib/vhost-user-blk/vhost-user-blk.c
index 858221a..49640df 100644
--- a/contrib/vhost-user-blk/vhost-user-blk.c
+++ b/contrib/vhost-user-blk/vhost-user-blk.c
@@ -20,6 +20,10 @@
 #include "contrib/libvhost-user/libvhost-user-glib.h"
 #include "contrib/libvhost-user/libvhost-user.h"
 
+#if defined(__linux__)
+#include <linux/fs.h>
+#include <sys/ioctl.h>
+#endif
 
 struct virtio_blk_inhdr {
     unsigned char status;
@@ -454,7 +458,7 @@
 
 #if defined(__linux__) && defined(BLKSSZGET)
     if (ioctl(fd, BLKSSZGET, &blocksize) == 0) {
-        return blocklen;
+        return blocksize;
     }
 #endif
 

target/i386/kvm.c

diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 9af4542..beae1b9 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -3894,7 +3894,7 @@
 static void kvm_update_msi_routes_all(void *private, bool global,
                                       uint32_t index, uint32_t mask)
 {
-    int cnt = 0;
+    int cnt = 0, vector;
     MSIRouteEntry *entry;
     MSIMessage msg;
     PCIDevice *dev;
@@ -3902,11 +3902,19 @@
     /* TODO: explicit route update */
     QLIST_FOREACH(entry, &msi_route_list, list) {
         cnt++;
+        vector = entry->vector;
         dev = entry->dev;
-        if (!msix_enabled(dev) && !msi_enabled(dev)) {
+        if (msix_enabled(dev) && !msix_is_masked(dev, vector)) {
+            msg = msix_get_message(dev, vector);
+        } else if (msi_enabled(dev) && !msi_is_masked(dev, vector)) {
+            msg = msi_get_message(dev, vector);
+        } else {
+            /*
+             * Either MSI/MSIX is disabled for the device, or the
+             * specific message was masked out.  Skip this one.
+             */
             continue;
         }
-        msg = pci_get_msi_message(dev, entry->vector);
         kvm_irqchip_update_msi_route(kvm_state, entry->virq, msg, dev);
     }
     kvm_irqchip_commit_routes(kvm_state);