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authorPeter Maydell2014-06-03 15:37:43 +0200
committerPeter Maydell2014-06-03 15:37:43 +0200
commite00fcfeab3d452cba3d0a08991a39ab15df66424 (patch)
tree443d02c8e6f51f9b6edff482d16ca116519bb030 /include
parentMerge remote-tracking branch 'remotes/kraxel/tags/pull-roms-3' into staging (diff)
parentvfio: Add guest side IOMMU support (diff)
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Merge remote-tracking branch 'remotes/awilliam/tags/vfio-pci-for-qemu-20140602.0' into staging
VFIO patches: realtek NIC quirk + SPAPR IOMMU AddressSpace support # gpg: Signature made Mon 02 Jun 2014 22:44:42 BST using RSA key ID 3BB08B22 # gpg: Can't check signature: public key not found * remotes/awilliam/tags/vfio-pci-for-qemu-20140602.0: vfio: Add guest side IOMMU support vfio: Create VFIOAddressSpace objects as needed vfio: Introduce VFIO address spaces vfio: Rework to have error paths vfio: Fix 128 bit handling int128: Add int128_exts64() memory: Sanity check that no listeners remain on a destroyed AddressSpace vfio-pci: Quirk RTL8168 NIC Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/qemu/int128.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/qemu/int128.h b/include/qemu/int128.h
index f59703143a..fb782aaddd 100644
--- a/include/qemu/int128.h
+++ b/include/qemu/int128.h
@@ -38,6 +38,11 @@ static inline Int128 int128_2_64(void)
return (Int128) { 0, 1 };
}
+static inline Int128 int128_exts64(int64_t a)
+{
+ return (Int128) { .lo = a, .hi = (a < 0) ? -1 : 0 };
+}
+
static inline Int128 int128_and(Int128 a, Int128 b)
{
return (Int128) { a.lo & b.lo, a.hi & b.hi };