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: Signature made Wed 13 Apr 2022 10:31:44 AM PDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
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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>

8 files changed, 125 insertions, 13 deletions

diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 136973655c..466bed6047 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -187,7 +187,7 @@ struct CPUClass {
 typedef union IcountDecr {
     uint32_t u32;
     struct {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
         uint16_t high;
         uint16_t low;
 #else
@@ -1028,13 +1028,15 @@ void cpu_exec_unrealizefn(CPUState *cpu);
  * target_words_bigendian:
  * Returns true if the (default) endianness of the target is big endian,
  * false otherwise. Note that in target-specific code, you can use
- * TARGET_WORDS_BIGENDIAN directly instead. On the other hand, common
+ * TARGET_BIG_ENDIAN directly instead. On the other hand, common
  * code should normally never need to know about the endianness of the
  * target, so please do *not* use this function unless you know very well
  * what you are doing!
  */
 bool target_words_bigendian(void);
 
+void page_size_init(void);
+
 #ifdef NEED_CPU_H
 
 #ifdef CONFIG_SOFTMMU
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
diff --git a/include/hw/i386/intel_iommu.h b/include/hw/i386/intel_iommu.h
index 3b5ac869db..bfa982a419 100644
--- a/include/hw/i386/intel_iommu.h
+++ b/include/hw/i386/intel_iommu.h
@@ -145,7 +145,7 @@ enum {
 /* Interrupt Remapping Table Entry Definition */
 union VTD_IR_TableEntry {
     struct {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
         uint32_t __reserved_1:8;     /* Reserved 1 */
         uint32_t vector:8;           /* Interrupt Vector */
         uint32_t irte_mode:1;        /* IRTE Mode */
@@ -172,7 +172,7 @@ union VTD_IR_TableEntry {
 #endif
         uint32_t dest_id;            /* Destination ID */
         uint16_t source_id;          /* Source-ID */
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
         uint64_t __reserved_2:44;    /* Reserved 2 */
         uint64_t sid_vtype:2;        /* Source-ID Validation Type */
         uint64_t sid_q:2;            /* Source-ID Qualifier */
@@ -191,7 +191,7 @@ union VTD_IR_TableEntry {
 /* Programming format for MSI/MSI-X addresses */
 union VTD_IR_MSIAddress {
     struct {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
         uint32_t __head:12;          /* Should always be: 0x0fee */
         uint32_t index_l:15;         /* Interrupt index bit 14-0 */
         uint32_t int_mode:1;         /* Interrupt format */
diff --git a/include/hw/i386/x86-iommu.h b/include/hw/i386/x86-iommu.h
index 5ba0c056d6..7637edb430 100644
--- a/include/hw/i386/x86-iommu.h
+++ b/include/hw/i386/x86-iommu.h
@@ -87,7 +87,7 @@ struct X86IOMMUIrq {
 struct X86IOMMU_MSIMessage {
     union {
         struct {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
             uint32_t __addr_head:12; /* 0xfee */
             uint32_t dest:8;
             uint32_t __reserved:8;
@@ -108,7 +108,7 @@ struct X86IOMMU_MSIMessage {
     };
     union {
         struct {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
             uint16_t trigger_mode:1;
             uint16_t level:1;
             uint16_t __resved:3;
diff --git a/include/hw/mips/bios.h b/include/hw/mips/bios.h
index c03007999a..44acb6815b 100644
--- a/include/hw/mips/bios.h
+++ b/include/hw/mips/bios.h
@@ -5,7 +5,7 @@
 #include "cpu.h"
 
 #define BIOS_SIZE (4 * MiB)
-#ifdef TARGET_WORDS_BIGENDIAN
+#if TARGET_BIG_ENDIAN
 #define BIOS_FILENAME "mips_bios.bin"
 #else
 #define BIOS_FILENAME "mipsel_bios.bin"
diff --git a/include/hw/virtio/virtio-access.h b/include/hw/virtio/virtio-access.h
index 6818a23a2d..07aae69042 100644
--- a/include/hw/virtio/virtio-access.h
+++ b/include/hw/virtio/virtio-access.h
@@ -28,7 +28,7 @@ static inline bool virtio_access_is_big_endian(VirtIODevice *vdev)
 {
 #if defined(LEGACY_VIRTIO_IS_BIENDIAN)
     return virtio_is_big_endian(vdev);
-#elif defined(TARGET_WORDS_BIGENDIAN)
+#elif TARGET_BIG_ENDIAN
     if (virtio_vdev_has_feature(vdev, VIRTIO_F_VERSION_1)) {
         /* Devices conforming to VIRTIO 1.0 or later are always LE. */
         return false;
@@ -149,7 +149,7 @@ static inline uint64_t virtio_ldq_p(VirtIODevice *vdev, const void *ptr)
 
 static inline uint16_t virtio_tswap16(VirtIODevice *vdev, uint16_t s)
 {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
     return virtio_access_is_big_endian(vdev) ? s : bswap16(s);
 #else
     return virtio_access_is_big_endian(vdev) ? bswap16(s) : s;
@@ -215,7 +215,7 @@ static inline void virtio_tswap16s(VirtIODevice *vdev, uint16_t *s)
 
 static inline uint32_t virtio_tswap32(VirtIODevice *vdev, uint32_t s)
 {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
     return virtio_access_is_big_endian(vdev) ? s : bswap32(s);
 #else
     return virtio_access_is_big_endian(vdev) ? bswap32(s) : s;
@@ -229,7 +229,7 @@ static inline void virtio_tswap32s(VirtIODevice *vdev, uint32_t *s)
 
 static inline uint64_t virtio_tswap64(VirtIODevice *vdev, uint64_t s)
 {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
     return virtio_access_is_big_endian(vdev) ? s : bswap64(s);
 #else
     return virtio_access_is_big_endian(vdev) ? bswap64(s) : s;
diff --git a/include/hw/virtio/virtio-gpu-bswap.h b/include/hw/virtio/virtio-gpu-bswap.h
index 5faac0d8d5..9124108485 100644
--- a/include/hw/virtio/virtio-gpu-bswap.h
+++ b/include/hw/virtio/virtio-gpu-bswap.h
@@ -29,7 +29,7 @@ virtio_gpu_ctrl_hdr_bswap(struct virtio_gpu_ctrl_hdr *hdr)
 static inline void
 virtio_gpu_bswap_32(void *ptr, size_t size)
 {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
 
     size_t i;
     struct virtio_gpu_ctrl_hdr *hdr = (struct virtio_gpu_ctrl_hdr *) ptr;