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| author | Zhang Xiantao <xiantao.zhang@intel.com> | 2013-01-15 11:28:23 +0100 |
|---|---|---|
| committer | Zhang Xiantao <xiantao.zhang@intel.com> | 2013-01-15 11:28:23 +0100 |
| commit | 073c2ea3084bf78d324ad8b4f360f6297c57185d (patch) | |
| tree | b878180557136a31cf5b213c547725ff60bbcac3 /xen/include/asm-x86/hvm/vmx | |
| parent | 89f366ba53f52b1a2b0d16c47ac275372ce86ebb (diff) | |
| download | xen-073c2ea3084bf78d324ad8b4f360f6297c57185d.tar.gz xen-073c2ea3084bf78d324ad8b4f360f6297c57185d.tar.bz2 xen-073c2ea3084bf78d324ad8b4f360f6297c57185d.zip | |
nEPT: Use minimal permission for nested p2m
Emulate permission check for the nested p2m. Current solution is to
use minimal permission, and once meet permission violation in L0, then
determin whether it is caused by guest EPT or host EPT
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Acked-by: Tim Deegan <tim@xen.org>
Acked-by: Jun Nakajima <jun.nakajima@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
Committed-by: Jan Beulich <jbeulich@suse.com>
Diffstat (limited to 'xen/include/asm-x86/hvm/vmx')
| -rw-r--r-- | xen/include/asm-x86/hvm/vmx/vvmx.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/xen/include/asm-x86/hvm/vmx/vvmx.h b/xen/include/asm-x86/hvm/vmx/vvmx.h index 5f92784b9c..d09be577a3 100644 --- a/xen/include/asm-x86/hvm/vmx/vvmx.h +++ b/xen/include/asm-x86/hvm/vmx/vvmx.h @@ -123,7 +123,7 @@ int nvmx_handle_vmxoff(struct cpu_user_regs *regs); int nvmx_hap_walk_L1_p2m(struct vcpu *v, paddr_t L2_gpa, paddr_t *L1_gpa, - unsigned int *page_order, + unsigned int *page_order, uint8_t *p2m_acc, bool_t access_r, bool_t access_w, bool_t access_x); /* * Virtual VMCS layout @@ -208,7 +208,7 @@ int nvmx_n2_vmexit_handler(struct cpu_user_regs *regs, int nept_translate_l2ga(struct vcpu *v, paddr_t l2ga, unsigned int *page_order, uint32_t rwx_acc, - unsigned long *l1gfn, uint64_t *exit_qual, - uint32_t *exit_reason); + unsigned long *l1gfn, uint8_t *p2m_acc, + uint64_t *exit_qual, uint32_t *exit_reason); #endif /* __ASM_X86_HVM_VVMX_H__ */ |