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authorJon Doron2022-02-16 11:24:58 +0100
committerPaolo Bonzini2022-04-06 14:31:56 +0200
commitccbdf5e81b502b238748ab64366bba5bf4c056d3 (patch)
treeac77e2b267d0274799b8f060bf33edfb5783f14a /target/i386
parenthyperv: SControl is optional to enable SynIc (diff)
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hyperv: Add definitions for syndbg
Add all required definitions for hyperv synthetic debugger interface. Signed-off-by: Jon Doron <arilou@gmail.com> Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Message-Id: <20220216102500.692781-3-arilou@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386')
-rw-r--r--target/i386/kvm/hyperv-proto.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/target/i386/kvm/hyperv-proto.h b/target/i386/kvm/hyperv-proto.h
index 89f81afda7..e40e59411c 100644
--- a/target/i386/kvm/hyperv-proto.h
+++ b/target/i386/kvm/hyperv-proto.h
@@ -19,6 +19,9 @@
#define HV_CPUID_ENLIGHTMENT_INFO 0x40000004
#define HV_CPUID_IMPLEMENT_LIMITS 0x40000005
#define HV_CPUID_NESTED_FEATURES 0x4000000A
+#define HV_CPUID_SYNDBG_VENDOR_AND_MAX_FUNCTIONS 0x40000080
+#define HV_CPUID_SYNDBG_INTERFACE 0x40000081
+#define HV_CPUID_SYNDBG_PLATFORM_CAPABILITIES 0x40000082
#define HV_CPUID_MIN 0x40000005
#define HV_CPUID_MAX 0x4000ffff
#define HV_HYPERVISOR_PRESENT_BIT 0x80000000
@@ -55,9 +58,15 @@
#define HV_GUEST_IDLE_STATE_AVAILABLE (1u << 5)
#define HV_FREQUENCY_MSRS_AVAILABLE (1u << 8)
#define HV_GUEST_CRASH_MSR_AVAILABLE (1u << 10)
+#define HV_FEATURE_DEBUG_MSRS_AVAILABLE (1u << 11)
#define HV_STIMER_DIRECT_MODE_AVAILABLE (1u << 19)
/*
+ * HV_CPUID_FEATURES.EBX bits
+ */
+#define HV_PARTITION_DEBUGGING_ALLOWED (1u << 12)
+
+/*
* HV_CPUID_ENLIGHTMENT_INFO.EAX bits
*/
#define HV_AS_SWITCH_RECOMMENDED (1u << 0)
@@ -73,6 +82,11 @@
#define HV_NO_NONARCH_CORESHARING (1u << 18)
/*
+ * HV_CPUID_SYNDBG_PLATFORM_CAPABILITIES.EAX bits
+ */
+#define HV_SYNDBG_CAP_ALLOW_KERNEL_DEBUGGING (1u << 1)
+
+/*
* Basic virtualized MSRs
*/
#define HV_X64_MSR_GUEST_OS_ID 0x40000000
@@ -131,6 +145,18 @@
#define HV_X64_MSR_STIMER3_COUNT 0x400000B7
/*
+ * Hyper-V Synthetic debug options MSR
+ */
+#define HV_X64_MSR_SYNDBG_CONTROL 0x400000F1
+#define HV_X64_MSR_SYNDBG_STATUS 0x400000F2
+#define HV_X64_MSR_SYNDBG_SEND_BUFFER 0x400000F3
+#define HV_X64_MSR_SYNDBG_RECV_BUFFER 0x400000F4
+#define HV_X64_MSR_SYNDBG_PENDING_BUFFER 0x400000F5
+#define HV_X64_MSR_SYNDBG_OPTIONS 0x400000FF
+
+#define HV_X64_SYNDBG_OPTION_USE_HCALLS BIT(2)
+
+/*
* Guest crash notification MSRs
*/
#define HV_X64_MSR_CRASH_P0 0x40000100
@@ -168,5 +194,16 @@
#define HV_STIMER_COUNT 4
+/*
+ * Synthetic debugger control definitions
+ */
+#define HV_SYNDBG_CONTROL_SEND (1u << 0)
+#define HV_SYNDBG_CONTROL_RECV (1u << 1)
+#define HV_SYNDBG_CONTROL_SEND_SIZE(ctl) ((ctl >> 16) & 0xffff)
+#define HV_SYNDBG_STATUS_INVALID (0)
+#define HV_SYNDBG_STATUS_SEND_SUCCESS (1u << 0)
+#define HV_SYNDBG_STATUS_RECV_SUCCESS (1u << 2)
+#define HV_SYNDBG_STATUS_RESET (1u << 3)
+#define HV_SYNDBG_STATUS_SET_SIZE(st, sz) (st | (sz << 16))
#endif