On 02/04/2016 05:03 PM, Michael S. Tsirkin wrote:
On Mon, Jan 18, 2016 at 06:25:42PM +0300, David Kiarie wrote:
Add AMD IO MMU emulation to Qemu in addition to Intel IO MMU.
The IO MMU does basic translation, error checking and has a
minimal IOTLB implementation.
Signed-off-by: David Kiarie <davidkiar...@gmail.com>
---
hw/i386/Makefile.objs | 1 +
hw/i386/amd_iommu.c | 1409 +++++++++++++++++++++++++++++++++++++++++++++++++
hw/i386/amd_iommu.h | 399 ++++++++++++++
include/hw/pci/pci.h | 2 +
4 files changed, 1811 insertions(+)
create mode 100644 hw/i386/amd_iommu.c
create mode 100644 hw/i386/amd_iommu.h
diff --git a/hw/i386/Makefile.objs b/hw/i386/Makefile.objs
index b52d5b8..2f1a265 100644
--- a/hw/i386/Makefile.objs
+++ b/hw/i386/Makefile.objs
@@ -3,6 +3,7 @@ obj-y += multiboot.o
obj-y += pc.o pc_piix.o pc_q35.o
obj-y += pc_sysfw.o
obj-y += intel_iommu.o
+obj-y += amd_iommu.o
obj-$(CONFIG_XEN) += ../xenpv/ xen/
obj-y += kvmvapic.o
diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c
new file mode 100644
index 0000000..20111fe
--- /dev/null
+++ b/hw/i386/amd_iommu.c
@@ -0,0 +1,1409 @@
+/*
+ * QEMU emulation of AMD IOMMU (AMD-Vi)
+ *
+ * Copyright (C) 2011 Eduard - Gabriel Munteanu
+ * Copyright (C) 2015 David Kiarie, <davidkiar...@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Cache implementation inspired by hw/i386/intel_iommu.c
Link to hardware spec?
Hi David,
This is the link, right?
http://developer.amd.com/wordpress/media/2012/10/488821.pdf
Thanks,
Marcel
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