Displaying 20 results from an estimated 21 matches for "xcr".
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2020 Jul 21
0
[PATCH v9 68/84] KVM: introspection: add KVMI_EVENT_XSETBV
From: Mihai Don?u <mdontu at bitdefender.com>
This event is sent when an extended control register XCR is going to
be changed.
Signed-off-by: Mihai Don?u <mdontu at bitdefender.com>
Co-developed-by: Nicu?or C??u <ncitu at bitdefender.com>
Signed-off-by: Nicu?or C??u <ncitu at bitdefender.com>
Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com>
---
Documentation/virt/k...
2020 Jul 21
0
[PATCH v9 69/84] KVM: introspection: add KVMI_VCPU_GET_XCR
...vmi.rst
+++ b/Documentation/virt/kvm/kvmi.rst
@@ -809,6 +809,39 @@ Provides the maximum GFN allocated to the VM by walking through all
memory slots allocated by KVM. Stricly speaking, the returned value refers
to the first inaccessible GFN, next to the maximum accessible GFN.
+18. KVMI_VCPU_GET_XCR
+---------------------
+
+:Architecture: x86
+:Versions: >= 1
+:Parameters:
+
+::
+
+ struct kvmi_vcpu_hdr;
+ struct kvmi_vcpu_get_xcr {
+ __u8 xcr;
+ __u8 padding[7];
+ };
+
+:Returns:
+
+::
+
+ struct kvmi_error_code;
+ struct kvmi_vcpu_get_xcr_reply {
+ u64 value;
+ };
+
+Returns th...
2020 Jul 21
0
[PATCH v9 74/84] KVM: introspection: restore the state of descriptor-table register interception on unhook
..._interception cr3w;
+ struct kvmi_monitor_interception descriptor;
};
struct kvm_vcpu_arch_introspection {
@@ -35,6 +36,7 @@ bool kvmi_cr3_intercepted(struct kvm_vcpu *vcpu);
bool kvmi_monitor_cr3w_intercept(struct kvm_vcpu *vcpu, bool enable);
void kvmi_xsetbv_event(struct kvm_vcpu *vcpu, u8 xcr,
u64 old_value, u64 new_value);
+bool kvmi_monitor_desc_intercept(struct kvm_vcpu *vcpu, bool enable);
bool kvmi_descriptor_event(struct kvm_vcpu *vcpu, u8 descriptor, bool write);
#else /* CONFIG_KVM_INTROSPECTION */
@@ -50,6 +52,8 @@ static inline bool kvmi_monitor_cr3w_intercept(st...
2003 Jan 20
1
R and gdb
...saved workspace restored]
> dyn.load("foo.so")
"I type Control-C here"
Program received signal SIGINT, Interrupt.
0x703346f8 in select () from /lib/libc.so.6
(gdb) b foo.c:44
Breakpoint 1 at 0x705c62a4: file plssvd.c, line 44.
(gdb) signal 0
Continuing with no signal.
foo.r(Xcr,Ycr,2)
gives directly the final result without stopping at the breakpoints.
I tried to update R
from 1.6.1 to 1.62
and I tried to update gdb too (up to 5.2.1, the 5.3 version doesn't
compile smoothly on my platform)
-> nothing change
my system:
Ultrasparc 10, sparc Gnu-Linux Suse 7-3, gc...
2020 Jul 21
0
[PATCH v9 70/84] KVM: introspection: add KVMI_VCPU_GET_XSAVE
...files changed, 109 insertions(+)
diff --git a/Documentation/virt/kvm/kvmi.rst b/Documentation/virt/kvm/kvmi.rst
index 1fdb73c6a6ff..9bf8b08eb585 100644
--- a/Documentation/virt/kvm/kvmi.rst
+++ b/Documentation/virt/kvm/kvmi.rst
@@ -842,6 +842,37 @@ Returns the value of an extended control register XCR.
* -KVM_EINVAL - the padding is not zero
* -KVM_EAGAIN - the selected vCPU can't be introspected yet
+19. KVMI_VCPU_GET_XSAVE
+-----------------------
+
+:Architecture: x86
+:Versions: >= 1
+:Parameters:
+
+::
+
+ struct kvmi_vcpu_hdr;
+
+:Returns:
+
+::
+
+ struct kvmi_error_code;
+ str...
2020 Feb 07
0
[RFC PATCH v7 64/78] KVM: introspection: add KVMI_EVENT_XSETBV
From: Mihai Don?u <mdontu at bitdefender.com>
This event is sent when the extended control register XCR0 is going to
be changed.
Signed-off-by: Mihai Don?u <mdontu at bitdefender.com>
Co-developed-by: Nicu?or C??u <ncitu at bitdefender.com>
Signed-off-by: Nicu?or C??u <ncitu at bitdefender.com>
Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com>
---
Documentation/virt/...
2020 Jul 21
87
[PATCH v9 00/84] VM introspection
...eaders from kvmi_host.h)
- fix the clean-up for KVMI_VCPU_SINGLESTEP [Mathieu]
- extend KVMI_VM_SET_PAGE_ACCESS with the 'visible' option
- improve KVMI_VM_GET_MAX_GFN (skip read-only, invalid or non-user memslots)
- add KVMI_VM_CONTROL_CLEANUP [Tamas, Mathieu]
- add KVMI_VCPU_GET_XCR and KVMI_VCPU_SET_XSAVE (SSE emulation)
- move KVM_REQ_INTROSPECTION in the range of arch-independent requests
- better split of x86 vs arch-independent code
- cover more error codes with tools/testing/selftests/kvm/x86_64/kvmi_test.c
- remove more error messages and close the introspection...
2020 Feb 11
83
[RFC PATCH 00/62] Linux as SEV-ES Guest Support
...| 52 ++
arch/x86/include/asm/cpu.h | 2 +-
arch/x86/include/asm/cpufeatures.h | 2 +
arch/x86/include/asm/desc.h | 2 +
arch/x86/include/asm/desc_defs.h | 3 +
arch/x86/include/asm/fpu/internal.h | 29 +-
arch/x86/include/asm/fpu/xcr.h | 32 +
arch/x86/include/asm/mem_encrypt.h | 5 +
arch/x86/include/asm/msr-index.h | 3 +
arch/x86/include/asm/processor.h | 1 +
arch/x86/include/asm/realmode.h | 4 +
arch/x86/include/asm/segment.h | 2 +-
arch/x86/includ...
2020 Feb 11
83
[RFC PATCH 00/62] Linux as SEV-ES Guest Support
...| 52 ++
arch/x86/include/asm/cpu.h | 2 +-
arch/x86/include/asm/cpufeatures.h | 2 +
arch/x86/include/asm/desc.h | 2 +
arch/x86/include/asm/desc_defs.h | 3 +
arch/x86/include/asm/fpu/internal.h | 29 +-
arch/x86/include/asm/fpu/xcr.h | 32 +
arch/x86/include/asm/mem_encrypt.h | 5 +
arch/x86/include/asm/msr-index.h | 3 +
arch/x86/include/asm/processor.h | 1 +
arch/x86/include/asm/realmode.h | 4 +
arch/x86/include/asm/segment.h | 2 +-
arch/x86/includ...
2020 Jul 21
0
[PATCH v9 75/84] KVM: introspection: add KVMI_VCPU_CONTROL_MSR and KVMI_EVENT_MSR
...ception cr3w;
struct kvmi_monitor_interception descriptor;
+ struct {
+ struct {
+ DECLARE_BITMAP(low, KVMI_NUM_MSR);
+ DECLARE_BITMAP(high, KVMI_NUM_MSR);
+ } kvmi_mask;
+ } msrw;
};
struct kvm_vcpu_arch_introspection {
@@ -38,6 +47,7 @@ void kvmi_xsetbv_event(struct kvm_vcpu *vcpu, u8 xcr,
u64 old_value, u64 new_value);
bool kvmi_monitor_desc_intercept(struct kvm_vcpu *vcpu, bool enable);
bool kvmi_descriptor_event(struct kvm_vcpu *vcpu, u8 descriptor, bool write);
+bool kvmi_msr_event(struct kvm_vcpu *vcpu, struct msr_data *msr);
#else /* CONFIG_KVM_INTROSPECTION */...
2020 Jul 24
86
[PATCH v5 00/75] x86: SEV-ES Guest Support
...78 ++
arch/x86/include/asm/cpu.h | 2 +-
arch/x86/include/asm/cpu_entry_area.h | 33 +-
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/include/asm/desc_defs.h | 3 +
arch/x86/include/asm/fpu/internal.h | 33 +-
arch/x86/include/asm/fpu/xcr.h | 37 +
arch/x86/include/asm/idtentry.h | 49 +
arch/x86/include/asm/insn-eval.h | 6 +
arch/x86/include/asm/mem_encrypt.h | 5 +
arch/x86/include/asm/msr-index.h | 3 +
arch/x86/include/asm/page_64_types.h | 1 +
arch/x86/i...
2020 Jul 14
92
[PATCH v4 00/75] x86: SEV-ES Guest Support
...2 +-
arch/x86/include/asm/cpu_entry_area.h | 33 +-
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/include/asm/desc.h | 27 +
arch/x86/include/asm/desc_defs.h | 10 +
arch/x86/include/asm/fpu/internal.h | 33 +-
arch/x86/include/asm/fpu/xcr.h | 37 +
arch/x86/include/asm/idtentry.h | 49 +
arch/x86/include/asm/insn-eval.h | 6 +
arch/x86/include/asm/mem_encrypt.h | 5 +
arch/x86/include/asm/msr-index.h | 3 +
arch/x86/include/asm/page_64_types.h | 1 +
arch/x86/i...
2020 Jul 14
92
[PATCH v4 00/75] x86: SEV-ES Guest Support
...2 +-
arch/x86/include/asm/cpu_entry_area.h | 33 +-
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/include/asm/desc.h | 27 +
arch/x86/include/asm/desc_defs.h | 10 +
arch/x86/include/asm/fpu/internal.h | 33 +-
arch/x86/include/asm/fpu/xcr.h | 37 +
arch/x86/include/asm/idtentry.h | 49 +
arch/x86/include/asm/insn-eval.h | 6 +
arch/x86/include/asm/mem_encrypt.h | 5 +
arch/x86/include/asm/msr-index.h | 3 +
arch/x86/include/asm/page_64_types.h | 1 +
arch/x86/i...
2020 Aug 24
96
[PATCH v6 00/76] x86: SEV-ES Guest Support
...78 ++
arch/x86/include/asm/cpu.h | 2 +-
arch/x86/include/asm/cpu_entry_area.h | 33 +-
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/include/asm/desc_defs.h | 3 +
arch/x86/include/asm/fpu/internal.h | 30 +-
arch/x86/include/asm/fpu/xcr.h | 34 +
arch/x86/include/asm/idtentry.h | 50 +
arch/x86/include/asm/insn-eval.h | 6 +
arch/x86/include/asm/mem_encrypt.h | 5 +
arch/x86/include/asm/msr-index.h | 3 +
arch/x86/include/asm/page_64_types.h | 1 +
arch/x86/i...
2020 Sep 07
84
[PATCH v7 00/72] x86: SEV-ES Guest Support
...80 ++
arch/x86/include/asm/cpu_entry_area.h | 33 +-
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/include/asm/desc.h | 27 +
arch/x86/include/asm/desc_defs.h | 10 +
arch/x86/include/asm/fpu/internal.h | 30 +-
arch/x86/include/asm/fpu/xcr.h | 34 +
arch/x86/include/asm/idtentry.h | 50 +
arch/x86/include/asm/insn-eval.h | 6 +
arch/x86/include/asm/mem_encrypt.h | 5 +
arch/x86/include/asm/msr-index.h | 3 +
arch/x86/include/asm/page_64_types.h | 1 +
arch/x86/i...
2020 Sep 07
84
[PATCH v7 00/72] x86: SEV-ES Guest Support
...80 ++
arch/x86/include/asm/cpu_entry_area.h | 33 +-
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/include/asm/desc.h | 27 +
arch/x86/include/asm/desc_defs.h | 10 +
arch/x86/include/asm/fpu/internal.h | 30 +-
arch/x86/include/asm/fpu/xcr.h | 34 +
arch/x86/include/asm/idtentry.h | 50 +
arch/x86/include/asm/insn-eval.h | 6 +
arch/x86/include/asm/mem_encrypt.h | 5 +
arch/x86/include/asm/msr-index.h | 3 +
arch/x86/include/asm/page_64_types.h | 1 +
arch/x86/i...
2020 Apr 28
116
[PATCH v3 00/75] x86: SEV-ES Guest Support
...2 +-
arch/x86/include/asm/cpu_entry_area.h | 62 +
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/include/asm/desc.h | 30 +
arch/x86/include/asm/desc_defs.h | 10 +
arch/x86/include/asm/fpu/internal.h | 29 +-
arch/x86/include/asm/fpu/xcr.h | 32 +
arch/x86/include/asm/hardirq.h | 14 +
arch/x86/include/asm/insn-eval.h | 6 +
arch/x86/include/asm/mem_encrypt.h | 5 +
arch/x86/include/asm/msr-index.h | 3 +
arch/x86/include/asm/page_64_types.h | 1 +
arch/x86/i...
2020 Apr 28
116
[PATCH v3 00/75] x86: SEV-ES Guest Support
...2 +-
arch/x86/include/asm/cpu_entry_area.h | 62 +
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/include/asm/desc.h | 30 +
arch/x86/include/asm/desc_defs.h | 10 +
arch/x86/include/asm/fpu/internal.h | 29 +-
arch/x86/include/asm/fpu/xcr.h | 32 +
arch/x86/include/asm/hardirq.h | 14 +
arch/x86/include/asm/insn-eval.h | 6 +
arch/x86/include/asm/mem_encrypt.h | 5 +
arch/x86/include/asm/msr-index.h | 3 +
arch/x86/include/asm/page_64_types.h | 1 +
arch/x86/i...
2019 Aug 09
117
[RFC PATCH v6 00/92] VM introspection
The KVM introspection subsystem provides a facility for applications running
on the host or in a separate VM, to control the execution of other VM-s
(pause, resume, shutdown), query the state of the vCPUs (GPRs, MSRs etc.),
alter the page access bits in the shadow page tables (only for the hardware
backed ones, eg. Intel's EPT) and receive notifications when events of
interest have taken place
2019 Aug 09
117
[RFC PATCH v6 00/92] VM introspection
The KVM introspection subsystem provides a facility for applications running
on the host or in a separate VM, to control the execution of other VM-s
(pause, resume, shutdown), query the state of the vCPUs (GPRs, MSRs etc.),
alter the page access bits in the shadow page tables (only for the hardware
backed ones, eg. Intel's EPT) and receive notifications when events of
interest have taken place