Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Add cpu0-id to query-sev-capabilities
* whpx support for breakpoints and stepping
* initial support for Hyper-V Synthetic Debugging
* use monotonic clock for QemuCond and QemuSemaphore
* Remove qemu-common.h include from most units and lots of other clenaups
* do not include headers for all virtio devices in virtio-ccw.h

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# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [undefined]
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (53 commits)
  target/i386: Remove unused XMMReg, YMMReg types and CPUState fields
  target/i386: do not access beyond the low 128 bits of SSE registers
  virtio-ccw: do not include headers for all virtio devices
  virtio-ccw: move device type declarations to .c files
  virtio-ccw: move vhost_ccw_scsi to a separate file
  s390x: follow qdev tree to detect SCSI device on a CCW bus
  hw: hyperv: Initial commit for Synthetic Debugging device
  hyperv: Add support to process syndbg commands
  hyperv: Add definitions for syndbg
  hyperv: SControl is optional to enable SynIc
  thread-posix: optimize qemu_sem_timedwait with zero timeout
  thread-posix: implement Semaphore with QemuCond and QemuMutex
  thread-posix: use monotonic clock for QemuCond and QemuSemaphore
  thread-posix: remove the posix semaphore support
  whpx: Added support for breakpoints and stepping
  build-sys: simplify AF_VSOCK check
  build-sys: drop ntddscsi.h check
  Remove qemu-common.h include from most units
  qga: remove explicit environ argument from exec/spawn
  Move fcntl_setfl() to oslib-posix
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

2 files changed, 110 insertions, 0 deletions

diff --git a/include/hw/hyperv/hyperv-proto.h b/include/hw/hyperv/hyperv-proto.h
index 21dc28aee9..4a2297307b 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_RETRIEVE_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/include/hw/hyperv/hyperv.h b/include/hw/hyperv/hyperv.h
index a63ee0003c..015c3524b1 100644
--- a/include/hw/hyperv/hyperv.h
+++ b/include/hw/hyperv/hyperv.h
@@ -81,4 +81,62 @@ void hyperv_synic_update(CPUState *cs, bool enable,
                          hwaddr msg_page_addr, hwaddr event_page_addr);
 bool hyperv_is_synic_enabled(void);
 
+/*
+ * Process HVCALL_RESET_DEBUG_SESSION hypercall.
+ */
+uint16_t hyperv_hcall_reset_dbg_session(uint64_t outgpa);
+/*
+ * Process HVCALL_RETREIVE_DEBUG_DATA hypercall.
+ */
+uint16_t hyperv_hcall_retreive_dbg_data(uint64_t ingpa, uint64_t outgpa,
+                                        bool fast);
+/*
+ * Process HVCALL_POST_DEBUG_DATA hypercall.
+ */
+uint16_t hyperv_hcall_post_dbg_data(uint64_t ingpa, uint64_t outgpa, bool fast);
+
+uint32_t hyperv_syndbg_send(uint64_t ingpa, uint32_t count);
+uint32_t hyperv_syndbg_recv(uint64_t ingpa, uint32_t count);
+void hyperv_syndbg_set_pending_page(uint64_t ingpa);
+uint64_t hyperv_syndbg_query_options(void);
+
+typedef enum HvSynthDbgMsgType {
+    HV_SYNDBG_MSG_CONNECTION_INFO,
+    HV_SYNDBG_MSG_SEND,
+    HV_SYNDBG_MSG_RECV,
+    HV_SYNDBG_MSG_SET_PENDING_PAGE,
+    HV_SYNDBG_MSG_QUERY_OPTIONS
+} HvDbgSynthMsgType;
+
+typedef struct HvSynDbgMsg {
+    HvDbgSynthMsgType type;
+    union {
+        struct {
+            uint32_t host_ip;
+            uint16_t host_port;
+        } connection_info;
+        struct {
+            uint64_t buf_gpa;
+            uint32_t count;
+            uint32_t pending_count;
+            bool is_raw;
+        } send;
+        struct {
+            uint64_t buf_gpa;
+            uint32_t count;
+            uint32_t options;
+            uint64_t timeout;
+            uint32_t retrieved_count;
+            bool is_raw;
+        } recv;
+        struct {
+            uint64_t buf_gpa;
+        } pending_page;
+        struct {
+            uint64_t options;
+        } query_options;
+    } u;
+} HvSynDbgMsg;
+typedef uint16_t (*HvSynDbgHandler)(void *context, HvSynDbgMsg *msg);
+void hyperv_set_syndbg_handler(HvSynDbgHandler handler, void *context);
 #endif