Displaying 15 results from an estimated 15 matches for "kvmi_vm_check_command".
2020 Feb 07
0
[RFC PATCH v7 41/78] KVM: introspection: add KVMI_VM_CHECK_COMMAND and KVMI_VM_CHECK_EVENT
...tation/virt/kvm/kvmi.rst
index 36f8cd4a836d..9205f51fa5a0 100644
--- a/Documentation/virt/kvm/kvmi.rst
+++ b/Documentation/virt/kvm/kvmi.rst
@@ -251,3 +251,65 @@ Returns the introspection API version.
This command is always allowed and successful (if the introspection is
built in kernel).
+
+2. KVMI_VM_CHECK_COMMAND
+------------------------
+
+:Architectures: all
+:Versions: >= 1
+:Parameters:
+
+::
+
+ struct kvmi_vm_check_command {
+ __u16 id;
+ __u16 padding1;
+ __u32 padding2;
+ };
+
+:Returns:
+
+::
+
+ struct kvmi_error_code;
+
+Checks if the command specified by ``id`` is allowed.
+
+This command...
2020 Jul 21
0
[PATCH v9 42/84] KVM: introspection: add KVMI_VM_CHECK_COMMAND and KVMI_VM_CHECK_EVENT
...a2cda3268da0 100644
--- a/Documentation/virt/kvm/kvmi.rst
+++ b/Documentation/virt/kvm/kvmi.rst
@@ -261,3 +261,65 @@ larger/newer messages.
The introspection tool should use this command to identify the features
supported by the kernel side and what messages must be used for event
replies.
+
+2. KVMI_VM_CHECK_COMMAND
+------------------------
+
+:Architectures: all
+:Versions: >= 1
+:Parameters:
+
+::
+
+ struct kvmi_vm_check_command {
+ __u16 id;
+ __u16 padding1;
+ __u32 padding2;
+ };
+
+:Returns:
+
+::
+
+ struct kvmi_error_code;
+
+Checks if the command specified by ``id`` is supported and allowed.
+...
2020 Feb 07
0
[RFC PATCH v7 44/78] KVM: introspection: add KVMI_VM_CONTROL_EVENTS
...--git a/include/uapi/linux/kvmi.h b/include/uapi/linux/kvmi.h
index e74240aff5b7..da9bf30ae513 100644
--- a/include/uapi/linux/kvmi.h
+++ b/include/uapi/linux/kvmi.h
@@ -15,12 +15,13 @@ enum {
};
enum {
- KVMI_EVENT = 1,
+ KVMI_EVENT = 1,
- KVMI_GET_VERSION = 2,
- KVMI_VM_CHECK_COMMAND = 3,
- KVMI_VM_CHECK_EVENT = 4,
- KVMI_VM_GET_INFO = 5,
+ KVMI_GET_VERSION = 2,
+ KVMI_VM_CHECK_COMMAND = 3,
+ KVMI_VM_CHECK_EVENT = 4,
+ KVMI_VM_GET_INFO = 5,
+ KVMI_VM_CONTROL_EVENTS = 6,
KVMI_NUM_MESSAGES
};
@@ -68,6 +69,13 @@ struct kvmi_vm_get_info_reply {
__u32 p...
2020 Feb 07
0
[RFC PATCH v7 53/78] KVM: introspection: add KVMI_VCPU_CONTROL_EVENTS
...ction {
diff --git a/include/uapi/linux/kvmi.h b/include/uapi/linux/kvmi.h
index 2eb1e5b20d53..745503fb7378 100644
--- a/include/uapi/linux/kvmi.h
+++ b/include/uapi/linux/kvmi.h
@@ -18,16 +18,17 @@ enum {
KVMI_EVENT_REPLY = 0,
KVMI_EVENT = 1,
- KVMI_GET_VERSION = 2,
- KVMI_VM_CHECK_COMMAND = 3,
- KVMI_VM_CHECK_EVENT = 4,
- KVMI_VM_GET_INFO = 5,
- KVMI_VM_CONTROL_EVENTS = 6,
- KVMI_VM_READ_PHYSICAL = 7,
- KVMI_VM_WRITE_PHYSICAL = 8,
-
- KVMI_VCPU_GET_INFO = 9,
- KVMI_VCPU_PAUSE = 10,
+ KVMI_GET_VERSION = 2,
+ KVMI_VM_CHECK_COMMAND = 3,
+ KVMI_VM_CHECK_...
2020 Jul 21
0
[PATCH v9 45/84] KVM: introspection: add KVMI_VM_CONTROL_EVENTS
...ask;
+
atomic_t ev_seq;
};
diff --git a/include/uapi/linux/kvmi.h b/include/uapi/linux/kvmi.h
index 9fbe52caf96c..f9e2cb8a2c5e 100644
--- a/include/uapi/linux/kvmi.h
+++ b/include/uapi/linux/kvmi.h
@@ -17,10 +17,11 @@ enum {
enum {
KVMI_EVENT = 0,
- KVMI_GET_VERSION = 1,
- KVMI_VM_CHECK_COMMAND = 2,
- KVMI_VM_CHECK_EVENT = 3,
- KVMI_VM_GET_INFO = 4,
+ KVMI_GET_VERSION = 1,
+ KVMI_VM_CHECK_COMMAND = 2,
+ KVMI_VM_CHECK_EVENT = 3,
+ KVMI_VM_GET_INFO = 4,
+ KVMI_VM_CONTROL_EVENTS = 5,
KVMI_NUM_MESSAGES
};
@@ -74,6 +75,13 @@ struct kvmi_vm_get_info_reply {
__u32 p...
2020 Feb 07
0
[RFC PATCH v7 74/78] KVM: introspection: add KVMI_VCPU_CONTROL_SINGLESTEP
...- a/virt/kvm/introspection/kvmi_msg.c
+++ b/virt/kvm/introspection/kvmi_msg.c
@@ -17,27 +17,28 @@ struct kvmi_vcpu_cmd_job {
};
static const char *const msg_IDs[] = {
- [KVMI_EVENT_REPLY] = "KVMI_EVENT_REPLY",
- [KVMI_GET_VERSION] = "KVMI_GET_VERSION",
- [KVMI_VM_CHECK_COMMAND] = "KVMI_VM_CHECK_COMMAND",
- [KVMI_VM_CHECK_EVENT] = "KVMI_VM_CHECK_EVENT",
- [KVMI_VM_CONTROL_EVENTS] = "KVMI_VM_CONTROL_EVENTS",
- [KVMI_VM_GET_INFO] = "KVMI_VM_GET_INFO",
- [KVMI_VM_GET_MAX_GFN] = "KVMI_VM_GET_MAX_GFN...
2020 Feb 07
0
[RFC PATCH v7 49/78] KVM: introspection: handle vCPU commands
...clude <linux/net.h>
#include "kvmi_int.h"
+struct kvmi_vcpu_cmd_job {
+ struct {
+ struct kvmi_msg_hdr hdr;
+ struct kvmi_vcpu_hdr cmd;
+ } *msg;
+ struct kvm_vcpu *vcpu;
+};
+
static const char *const msg_IDs[] = {
[KVMI_GET_VERSION] = "KVMI_GET_VERSION",
[KVMI_VM_CHECK_COMMAND] = "KVMI_VM_CHECK_COMMAND",
@@ -123,6 +131,28 @@ static bool is_command_allowed(struct kvm_introspection *kvmi, int id)
return test_bit(id, kvmi->cmd_allow_mask);
}
+static bool invalid_vcpu_hdr(const struct kvmi_vcpu_hdr *hdr)
+{
+ return hdr->padding1 || hdr->padding2;
+}...
2020 Feb 07
78
[RFC PATCH v7 00/78] VM introspection
...6: intercept the write access on sidt and other emulated
instructions
KVM: introspection: add hook/unhook ioctls
KVM: introspection: add permission access ioctls
KVM: introspection: add the read/dispatch message function
KVM: introspection: add KVMI_GET_VERSION
KVM: introspection: add KVMI_VM_CHECK_COMMAND and KVMI_VM_CHECK_EVENT
KVM: introspection: add KVMI_EVENT_UNHOOK
KVM: introspection: add KVMI_VM_CONTROL_EVENTS
KVM: introspection: add a jobs list to every introspected vCPU
KVM: introspection: add KVMI_VCPU_PAUSE
KVM: introspection: add KVMI_EVENT_PAUSE_VCPU
KVM: introspection: exten...
2020 Feb 07
0
[RFC PATCH v7 43/78] KVM: introspection: add KVMI_EVENT_UNHOOK
...100644
--- a/include/uapi/linux/kvmi.h
+++ b/include/uapi/linux/kvmi.h
@@ -8,12 +8,15 @@
#include <linux/kernel.h>
#include <linux/types.h>
+#include <asm/kvmi.h>
enum {
KVMI_VERSION = 0x00000001
};
enum {
+ KVMI_EVENT = 1,
+
KVMI_GET_VERSION = 2,
KVMI_VM_CHECK_COMMAND = 3,
KVMI_VM_CHECK_EVENT = 4,
@@ -23,6 +26,8 @@ enum {
};
enum {
+ KVMI_EVENT_UNHOOK = 0,
+
KVMI_NUM_EVENTS
};
@@ -63,4 +68,12 @@ struct kvmi_vm_get_info_reply {
__u32 padding[3];
};
+struct kvmi_event {
+ __u16 size;
+ __u16 vcpu;
+ __u8 event;
+ __u8 padding[3];
+ struct kvmi_ev...
2020 Feb 07
0
[RFC PATCH v7 52/78] KVM: introspection: add KVMI_EVENT_PAUSE_VCPU
...100644
--- a/virt/kvm/introspection/kvmi_msg.c
+++ b/virt/kvm/introspection/kvmi_msg.c
@@ -17,6 +17,7 @@ struct kvmi_vcpu_cmd_job {
};
static const char *const msg_IDs[] = {
+ [KVMI_EVENT_REPLY] = "KVMI_EVENT_REPLY",
[KVMI_GET_VERSION] = "KVMI_GET_VERSION",
[KVMI_VM_CHECK_COMMAND] = "KVMI_VM_CHECK_COMMAND",
[KVMI_VM_CHECK_EVENT] = "KVMI_VM_CHECK_EVENT",
@@ -356,6 +357,56 @@ static int handle_get_vcpu_info(const struct kvmi_vcpu_cmd_job *job,
return kvmi_msg_vcpu_reply(job, msg, 0, &rpl, sizeof(rpl));
}
+static int handle_event_reply(const...
2020 Feb 07
0
[RFC PATCH v7 73/78] KVM: introspection: extend KVMI_GET_VERSION with struct kvmi_features
...nux/kvmi.h b/include/uapi/linux/kvmi.h
index c74ded097efa..7cd41a815967 100644
--- a/include/uapi/linux/kvmi.h
+++ b/include/uapi/linux/kvmi.h
@@ -91,6 +91,7 @@ struct kvmi_error_code {
struct kvmi_get_version_reply {
__u32 version;
__u32 padding;
+ struct kvmi_features features;
};
struct kvmi_vm_check_command {
diff --git a/tools/testing/selftests/kvm/x86_64/kvmi_test.c b/tools/testing/selftests/kvm/x86_64/kvmi_test.c
index e8d3ccac1caa..a27588c27eb8 100644
--- a/tools/testing/selftests/kvm/x86_64/kvmi_test.c
+++ b/tools/testing/selftests/kvm/x86_64/kvmi_test.c
@@ -55,6 +55,8 @@ struct vcpu_worker_data...
2020 Jul 21
0
[PATCH v9 44/84] KVM: introspection: add KVMI_EVENT_UNHOOK
...100644
--- a/include/uapi/linux/kvmi.h
+++ b/include/uapi/linux/kvmi.h
@@ -8,12 +8,15 @@
#include <linux/kernel.h>
#include <linux/types.h>
+#include <asm/kvmi.h>
enum {
KVMI_VERSION = 0x00000001
};
enum {
+ KVMI_EVENT = 0,
+
KVMI_GET_VERSION = 1,
KVMI_VM_CHECK_COMMAND = 2,
KVMI_VM_CHECK_EVENT = 3,
@@ -23,6 +26,8 @@ enum {
};
enum {
+ KVMI_EVENT_UNHOOK = 0,
+
KVMI_NUM_EVENTS
};
@@ -69,4 +74,12 @@ struct kvmi_vm_get_info_reply {
__u32 padding[3];
};
+struct kvmi_event {
+ __u16 size;
+ __u16 vcpu;
+ __u8 event;
+ __u8 padding[3];
+ struct kvmi_ev...
2020 Jul 21
0
[PATCH v9 40/84] KVM: introspection: add the read/dispatch message function
...manager will pass the file handle (plus the allowed
commands/events) to KVM. It will detect when the socket is shutdown
and it will reinitiate the handshake.
+Once the file handle reaches KVM, the introspection tool should
+use the *KVMI_GET_VERSION* command to get the API version and/or the
+*KVMI_VM_CHECK_COMMAND* and *KVMI_VM_CHECK_EVENT* commands to see which
+commands/events are allowed for this guest. The error code -KVM_EPERM
+will be returned if the introspection tool uses a command or enables an
+event which is disallowed.
+
Unhooking
---------
diff --git a/include/uapi/linux/kvmi.h b/include/uap...
2020 Feb 07
0
[RFC PATCH v7 39/78] KVM: introspection: add the read/dispatch message function
..., and forget about it. It will be notified by
KVM when the introspection tool closes the file handle (in case of
errors), and should reinitiate the handshake.
+Once the file handle reaches KVM, the introspection tool should
+use the *KVMI_GET_VERSION* command to get the API version and/or the
+*KVMI_VM_CHECK_COMMAND* and *KVMI_VM_CHECK_EVENT* commands to see which
+commands/events are allowed for this guest. The error code -KVM_EPERM
+will be returned if the introspection tool uses a command or enables an
+event which is disallowed.
+
Unhooking
---------
diff --git a/include/uapi/linux/kvmi.h b/include/uap...
2020 Jul 21
87
[PATCH v9 00/84] VM introspection
...ontrol_desc_intercept()
KVM: x86: export kvm_vcpu_ioctl_x86_set_xsave()
KVM: introspection: add hook/unhook ioctls
KVM: introspection: add permission access ioctls
KVM: introspection: add the read/dispatch message function
KVM: introspection: add KVMI_GET_VERSION
KVM: introspection: add KVMI_VM_CHECK_COMMAND and KVMI_VM_CHECK_EVENT
KVM: introspection: add KVMI_EVENT_UNHOOK
KVM: introspection: add KVMI_VM_CONTROL_EVENTS
KVM: introspection: add a jobs list to every introspected vCPU
KVM: introspection: add KVMI_VCPU_PAUSE
KVM: introspection: add KVMI_EVENT_PAUSE_VCPU
KVM: introspection: add K...