Add all required definitions for hyperv synthetic debugger interface.
Signed-off-by: Jon Doron <ari...@gmail.com>
---
include/hw/hyperv/hyperv-proto.h | 52 ++++++++++++++++++++++++++++++++
target/i386/kvm/hyperv-proto.h | 37 +++++++++++++++++++++++
2 files changed, 89 insertions(+)
diff --git a/include/hw/hyperv/hyperv-proto.h b/include/hw/hyperv/hyperv-proto.h
index 21dc28aee9..94c9658eb0 100644
--- a/include/hw/hyperv/hyperv-proto.h
+++ b/include/hw/hyperv/hyperv-proto.h
@@ -24,12 +24,17 @@
#define HV_STATUS_INVALID_PORT_ID 17
#define HV_STATUS_INVALID_CONNECTION_ID 18
#define HV_STATUS_INSUFFICIENT_BUFFERS 19
+#define HV_STATUS_NOT_ACKNOWLEDGED 20
+#define HV_STATUS_NO_DATA 27
/*
* Hypercall numbers
*/
#define HV_POST_MESSAGE 0x005c
#define HV_SIGNAL_EVENT 0x005d
+#define HV_POST_DEBUG_DATA 0x0069
+#define HV_RETREIVE_DEBUG_DATA 0x006a
+#define HV_RESET_DEBUG_SESSION 0x006b
#define HV_HYPERCALL_FAST (1u << 16)
/*
@@ -127,4 +132,51 @@ struct hyperv_event_flags_page {
struct hyperv_event_flags slot[HV_SINT_COUNT];
};
+/*
+ * Kernel debugger structures
+ */
+
+/* Options flags for hyperv_reset_debug_session */
+#define HV_DEBUG_PURGE_INCOMING_DATA 0x00000001
+#define HV_DEBUG_PURGE_OUTGOING_DATA 0x00000002
+struct hyperv_reset_debug_session_input {
+ uint32_t options;
+} __attribute__ ((__packed__));
+
+struct hyperv_reset_debug_session_output {
+ uint32_t host_ip;
+ uint32_t target_ip;
+ uint16_t host_port;
+ uint16_t target_port;
+ uint8_t host_mac[6];
+ uint8_t target_mac[6];
+} __attribute__ ((__packed__));
+
+/* Options for hyperv_post_debug_data */
+#define HV_DEBUG_POST_LOOP 0x00000001
+
+struct hyperv_post_debug_data_input {
+ uint32_t count;
+ uint32_t options;
+ /*uint8_t data[HV_HYP_PAGE_SIZE - 2 * sizeof(uint32_t)];*/
+} __attribute__ ((__packed__));
+
+struct hyperv_post_debug_data_output {
+ uint32_t pending_count;
+} __attribute__ ((__packed__));
+
+/* Options for hyperv_retrieve_debug_data */
+#define HV_DEBUG_RETRIEVE_LOOP 0x00000001
+#define HV_DEBUG_RETRIEVE_TEST_ACTIVITY 0x00000002
+
+struct hyperv_retrieve_debug_data_input {
+ uint32_t count;
+ uint32_t options;
+ uint64_t timeout;
+} __attribute__ ((__packed__));
+
+struct hyperv_retrieve_debug_data_output {
+ uint32_t retrieved_count;
+ uint32_t remaining_count;
+} __attribute__ ((__packed__));
#endif
diff --git a/target/i386/kvm/hyperv-proto.h b/target/i386/kvm/hyperv-proto.h
index 89f81afda7..9480bcdf04 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
@@ -55,8 +58,14 @@
#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_DEUBGGING_ALLOWED (1u << 12)
+
/*
* HV_CPUID_ENLIGHTMENT_INFO.EAX bits
*/
@@ -72,6 +81,11 @@
#define HV_ENLIGHTENED_VMCS_RECOMMENDED (1u << 14)
#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
*/
@@ -130,6 +144,18 @@
#define HV_X64_MSR_STIMER3_CONFIG 0x400000B6
#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
*/
@@ -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
--
2.34.1
