# HG changeset patch
# User Eddie Dong <eddie.dong@xxxxxxxxx>
# Date 1307607849 -28800
# Node ID 3c926738472de07ab35cf6ce058fa6a4b1089f36
# Parent 47e4e63de500220a8922564c367f459735ce84cb
Nested VMX: Add APIs for nestedhvm_ops.
Signed-off-by: Qing He <qing.he@xxxxxxxxx>
Signed-off-by: Eddie Dong <eddie.dong@xxxxxxxxx>
Acked-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Committed-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
---
diff -r 47e4e63de500 -r 3c926738472d xen/arch/x86/hvm/hvm.c
--- a/xen/arch/x86/hvm/hvm.c Thu Jun 09 16:24:09 2011 +0800
+++ b/xen/arch/x86/hvm/hvm.c Thu Jun 09 16:24:09 2011 +0800
@@ -3526,7 +3526,7 @@
/* Remove the check below once we have
* shadow-on-shadow.
*/
- if ( !paging_mode_hap(d) && a.value )
+ if ( cpu_has_svm && !paging_mode_hap(d) && a.value )
rc = -EINVAL;
/* Set up NHVM state for any vcpus that are already up */
if ( !d->arch.hvm_domain.params[HVM_PARAM_NESTEDHVM] )
diff -r 47e4e63de500 -r 3c926738472d xen/arch/x86/hvm/vmx/Makefile
--- a/xen/arch/x86/hvm/vmx/Makefile Thu Jun 09 16:24:09 2011 +0800
+++ b/xen/arch/x86/hvm/vmx/Makefile Thu Jun 09 16:24:09 2011 +0800
@@ -4,3 +4,4 @@
obj-y += vmcs.o
obj-y += vmx.o
obj-y += vpmu_core2.o
+obj-y += vvmx.o
diff -r 47e4e63de500 -r 3c926738472d xen/arch/x86/hvm/vmx/vmx.c
--- a/xen/arch/x86/hvm/vmx/vmx.c Thu Jun 09 16:24:09 2011 +0800
+++ b/xen/arch/x86/hvm/vmx/vmx.c Thu Jun 09 16:24:09 2011 +0800
@@ -1404,7 +1404,13 @@
.invlpg_intercept = vmx_invlpg_intercept,
.set_uc_mode = vmx_set_uc_mode,
.set_info_guest = vmx_set_info_guest,
- .set_rdtsc_exiting = vmx_set_rdtsc_exiting
+ .set_rdtsc_exiting = vmx_set_rdtsc_exiting,
+ .nhvm_vcpu_initialise = nvmx_vcpu_initialise,
+ .nhvm_vcpu_destroy = nvmx_vcpu_destroy,
+ .nhvm_vcpu_reset = nvmx_vcpu_reset,
+ .nhvm_vcpu_guestcr3 = nvmx_vcpu_guestcr3,
+ .nhvm_vcpu_hostcr3 = nvmx_vcpu_hostcr3,
+ .nhvm_vcpu_asid = nvmx_vcpu_asid
};
struct hvm_function_table * __init start_vmx(void)
diff -r 47e4e63de500 -r 3c926738472d xen/arch/x86/hvm/vmx/vvmx.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/xen/arch/x86/hvm/vmx/vvmx.c Thu Jun 09 16:24:09 2011 +0800
@@ -0,0 +1,88 @@
+/*
+ * vvmx.c: Support virtual VMX for nested virtualization.
+ *
+ * Copyright (c) 2010, Intel Corporation.
+ * Author: Qing He <qing.he@xxxxxxxxx>
+ * Eddie Dong <eddie.dong@xxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ */
+
+#include <xen/config.h>
+#include <asm/types.h>
+#include <asm/p2m.h>
+#include <asm/hvm/vmx/vmx.h>
+#include <asm/hvm/vmx/vvmx.h>
+
+int nvmx_vcpu_initialise(struct vcpu *v)
+{
+ struct nestedvmx *nvmx = &vcpu_2_nvmx(v);
+ struct nestedvcpu *nvcpu = &vcpu_nestedhvm(v);
+
+ nvcpu->nv_n2vmcx = alloc_xenheap_page();
+ if ( !nvcpu->nv_n2vmcx )
+ {
+ gdprintk(XENLOG_ERR, "nest: allocation for shadow vmcs failed\n");
+ goto out;
+ }
+ nvmx->vmxon_region_pa = 0;
+ nvcpu->nv_vvmcx = NULL;
+ nvcpu->nv_vvmcxaddr = VMCX_EADDR;
+ nvmx->intr.intr_info = 0;
+ nvmx->intr.error_code = 0;
+ nvmx->iobitmap[0] = NULL;
+ nvmx->iobitmap[1] = NULL;
+ return 0;
+out:
+ return -ENOMEM;
+}
+
+void nvmx_vcpu_destroy(struct vcpu *v)
+{
+ struct nestedvcpu *nvcpu = &vcpu_nestedhvm(v);
+
+ if ( nvcpu->nv_n2vmcx ) {
+ __vmpclear(virt_to_maddr(nvcpu->nv_n2vmcx));
+ free_xenheap_page(nvcpu->nv_n2vmcx);
+ nvcpu->nv_n2vmcx = NULL;
+ }
+}
+
+int nvmx_vcpu_reset(struct vcpu *v)
+{
+ return 0;
+}
+
+uint64_t nvmx_vcpu_guestcr3(struct vcpu *v)
+{
+ /* TODO */
+ ASSERT(0);
+ return 0;
+}
+
+uint64_t nvmx_vcpu_hostcr3(struct vcpu *v)
+{
+ /* TODO */
+ ASSERT(0);
+ return 0;
+}
+
+uint32_t nvmx_vcpu_asid(struct vcpu *v)
+{
+ /* TODO */
+ ASSERT(0);
+ return 0;
+}
+
diff -r 47e4e63de500 -r 3c926738472d xen/include/asm-x86/hvm/vmx/vvmx.h
--- a/xen/include/asm-x86/hvm/vmx/vvmx.h Thu Jun 09 16:24:09 2011 +0800
+++ b/xen/include/asm-x86/hvm/vmx/vvmx.h Thu Jun 09 16:24:09 2011 +0800
@@ -34,5 +34,13 @@
};
#define vcpu_2_nvmx(v) (vcpu_nestedhvm(v).u.nvmx)
+
+int nvmx_vcpu_initialise(struct vcpu *v);
+void nvmx_vcpu_destroy(struct vcpu *v);
+int nvmx_vcpu_reset(struct vcpu *v);
+uint64_t nvmx_vcpu_guestcr3(struct vcpu *v);
+uint64_t nvmx_vcpu_hostcr3(struct vcpu *v);
+uint32_t nvmx_vcpu_asid(struct vcpu *v);
+
#endif /* __ASM_X86_HVM_VVMX_H__ */
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